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i,s,h,n,r=[],f=0;f<t.length;f++)if(i=t[f].w||t[f].width,s=t[f].h||t[f].height,h=t[f].id,i&&s){if(!(n=this.packOne(i,s,h)))continue;e.inPlace&&(t[f].x=n.x,t[f].y=n.y,t[f].id=n.id),r.push(n)}return this.shrink(),r},t.prototype.packOne=function(t,i,s){var h,n,r,f,o={freebin:-1,shelf:-1,waste:1/0},a=0;if("string"==typeof s||"number"==typeof s){if(h=this.getBin(s))return this.ref(h),h;"number"==typeof s&&(this.maxId=Math.max(s,this.maxId))}else s=++this.maxId;for(f=0;f<this.freebins.length;f++){if(h=this.freebins[f],i===h.maxh&&t===h.maxw)return this.allocFreebin(f,t,i,s);i>h.maxh||t>h.maxw||i<=h.maxh&&t<=h.maxw&&(r=h.maxw*h.maxh-t*i)<o.waste&&(o.waste=r,o.freebin=f)}for(f=0;f<this.shelves.length;f++)if(n=this.shelves[f],a+=n.h,!(t>n.free)){if(i===n.h)return this.allocShelf(f,t,i,s);i>n.h||i<n.h&&(r=(n.h-i)*t)<o.waste&&(o.freebin=-1,o.waste=r,o.shelf=f)}if(-1!==o.freebin)return this.allocFreebin(o.freebin,t,i,s);if(-1!==o.shelf)return this.allocShelf(o.shelf,t,i,s);if(i<=this.h-a&&t<=this.w)return n=new e(a,this.w,i),this.allocShelf(this.shelves.push(n)-1,t,i,s);if(this.autoResize){var u,l,c,p;return u=l=this.h,((c=p=this.w)<=u||t>c)&&(p=2*Math.max(t,c)),(u<c||i>u)&&(l=2*Math.max(i,u)),this.resize(p,l),this.packOne(t,i,s)}return null},t.prototype.allocFreebin=function(t,e,i,s){var h=this.freebins.splice(t,1)[0];return h.id=s,h.w=e,h.h=i,h.refcount=0,this.bins[s]=h,this.ref(h),h},t.prototype.allocShelf=function(t,e,i,s){var n=this.shelves[t].alloc(e,i,s);return this.bins[s]=n,this.ref(n),n},t.prototype.shrink=function(){if(this.shelves.length>0){for(var t=0,e=0,i=0;i<this.shelves.length;i++){var s=this.shelves[i];e+=s.h,t=Math.max(s.w-s.free,t)}this.resize(t,e)}},t.prototype.getBin=function(t){return this.bins[t]},t.prototype.ref=function(t){if(1==++t.refcount){var e=t.h;this.stats[e]=1+(0|this.stats[e])}return t.refcount},t.prototype.unref=function(t){return 0===t.refcount?0:(0==--t.refcount&&(this.stats[t.h]--,delete this.bins[t.id],this.freebins.push(t)),t.refcount)},t.prototype.clear=function(){this.shelves=[],this.freebins=[],this.stats={},this.bins={},this.maxId=0},t.prototype.resize=function(t,e){this.w=t,this.h=e;for(var i=0;i<this.shelves.length;i++)this.shelves[i].resize(t);return!0},e.prototype.alloc=function(t,e,s){if(t>this.free||e>this.h)return null;var h=this.x;return this.x+=t,this.free-=t,new function(t,e,i,s,h,n,r){this.id=t,this.x=e,this.y=i,this.w=s,this.h=h,this.maxw=n||s,this.maxh=r||h,this.refcount=0}(s,h,this.y,t,e,t,this.h)},e.prototype.resize=function(t){return this.free+=t-this.w,this.w=t,!0},t})},{}],4:[function(_dereq_,module,exports){"use strict";function TinySDF(t,i,s,e,h,r){this.fontSize=t||24,this.buffer=void 0===i?3:i,this.cutoff=e||.25,this.fontFamily=h||"sans-serif",this.fontWeight=r||"normal",this.radius=s||8;var a=this.size=this.fontSize+2*this.buffer;this.canvas=document.createElement("canvas"),this.canvas.width=this.canvas.height=a,this.ctx=this.canvas.getContext("2d"),this.ctx.font=this.fontWeight+" "+this.fontSize+"px "+this.fontFamily,this.ctx.textBaseline="middle",this.ctx.fillStyle="black",this.gridOuter=new Float64Array(a*a),this.gridInner=new Float64Array(a*a),this.f=new Float64Array(a),this.d=new Float64Array(a),this.z=new Float64Array(a+1),this.v=new Int16Array(a),this.middle=Math.round(a/2*(navigator.userAgent.indexOf("Gecko/")>=0?1.2:1))}function edt(t,i,s,e,h,r,a){for(var n=0;n<i;n++){for(var o=0;o<s;o++)e[o]=t[o*i+n];for(edt1d(e,h,r,a,s),o=0;o<s;o++)t[o*i+n]=h[o]}for(o=0;o<s;o++){for(n=0;n<i;n++)e[n]=t[o*i+n];for(edt1d(e,h,r,a,i),n=0;n<i;n++)t[o*i+n]=Math.sqrt(h[n])}}function edt1d(t,i,s,e,h){s[0]=0,e[0]=-INF,e[1]=+INF;for(var r=1,a=0;r<h;r++){for(var n=(t[r]+r*r-(t[s[a]]+s[a]*s[a]))/(2*r-2*s[a]);n<=e[a];)a--,n=(t[r]+r*r-(t[s[a]]+s[a]*s[a]))/(2*r-2*s[a]);s[++a]=r,e[a]=n,e[a+1]=+INF}for(r=0,a=0;r<h;r++){for(;e[a+1]<r;)a++;i[r]=(r-s[a])*(r-s[a])+t[s[a]]}}module.exports=TinySDF;var INF=1e20;TinySDF.prototype.draw=function(t){this.ctx.clearRect(0,0,this.size,this.size),this.ctx.fillText(t,this.buffer,this.middle);for(var i=this.ctx.getImageData(0,0,this.size,this.size),s=new Uint8ClampedArray(this.size*this.size),e=0;e<this.size*this.size;e++){var h=i.data[4*e+3]/255;this.gridOuter[e]=1===h?0:0===h?INF:Math.pow(Math.max(0,.5-h),2),this.gridInner[e]=1===h?INF:0===h?0:Math.pow(Math.max(0,h-.5),2)}for(edt(this.gridOuter,this.size,this.size,this.f,this.d,this.v,this.z),edt(this.gridInner,this.size,this.size,this.f,this.d,this.v,this.z),e=0;e<this.size*this.size;e++){var r=this.gridOuter[e]-this.gridInner[e];s[e]=Math.max(0,Math.min(255,Math.round(255-255*(r/this.radius+this.cutoff))))}return s}},{}],5:[function(_dereq_,module,exports){function UnitBezier(t,i,e,r){this.cx=3*t,this.bx=3*(e-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*i,this.by=3*(r-i)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=r,this.p2x=e,this.p2y=r}module.exports=UnitBezier,UnitBezier.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},UnitBezier.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},UnitBezier.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},UnitBezier.prototype.solveCurveX=function(t,i){void 0===i&&(i=1e-6);var e,r,s,h,n;for(s=t,n=0;n<8;n++){if(h=this.sampleCurveX(s)-t,Math.abs(h)<i)return s;var u=this.sampleCurveDerivativeX(s);if(Math.abs(u)<1e-6)break;s-=h/u}if(e=0,r=1,(s=t)<e)return e;if(s>r)return r;for(;e<r;){if(h=this.sampleCurveX(s),Math.abs(h-t)<i)return s;t>h?e=s:r=s,s=.5*(r-e)+e}return s},UnitBezier.prototype.solve=function(t,i){return this.sampleCurveY(this.solveCurveX(t,i))}},{}],6:[function(_dereq_,module,exports){module.exports.VectorTile=_dereq_("./lib/vectortile.js"),module.exports.VectorTileFeature=_dereq_("./lib/vectortilefeature.js"),module.exports.VectorTileLayer=_dereq_("./lib/vectortilelayer.js")},{"./lib/vectortile.js":7,"./lib/vectortilefeature.js":8,"./lib/vectortilelayer.js":9}],7:[function(_dereq_,module,exports){"use strict";var VectorTileLayer=_dereq_("./vectortilelayer");module.exports=function(e,r){this.layers=e.readFields(function(e,r,i){if(3===e){var t=new VectorTileLayer(i,i.readVarint()+i.pos);t.length&&(r[t.name]=t)}},{},r)}},{"./vectortilelayer":9}],8:[function(_dereq_,module,exports){"use strict";function VectorTileFeature(e,t,r,a,i){this.properties={},this.extent=r,this.type=0,this._pbf=e,this._geometry=-1,this._keys=a,this._values=i,e.readFields(function(e,t,r){1==e?t.id=r.readVarint():2==e?function(e,t){for(var r=e.readVarint()+e.pos;e.pos<r;){var a=t._keys[e.readVarint()],i=t._values[e.readVarint()];t.properties[a]=i}}(r,t):3==e?t.type=r.readVarint():4==e&&(t._geometry=r.pos)},this,t)}var Point=_dereq_("@mapbox/point-geometry");module.exports=VectorTileFeature,VectorTileFeature.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature.prototype.loadGeometry=function(){var e=this._pbf;e.pos=this._geometry;for(var t,r=e.readVarint()+e.pos,a=1,i=0,o=0,n=0,s=[];e.pos<r;){if(!i){var p=e.readVarint();a=7&p,i=p>>3}if(i--,1===a||2===a)o+=e.readSVarint(),n+=e.readSVarint(),1===a&&(t&&s.push(t),t=[]),t.push(new Point(o,n));else{if(7!==a)throw new Error("unknown command "+a);t&&t.push(t[0].clone())}}return t&&s.push(t),s},VectorTileFeature.prototype.bbox=function(){var e=this._pbf;e.pos=this._geometry;for(var t=e.readVarint()+e.pos,r=1,a=0,i=0,o=0,n=1/0,s=-1/0,p=1/0,h=-1/0;e.pos<t;){if(!a){var u=e.readVarint();r=7&u,a=u>>3}if(a--,1===r||2===r)i+=e.readSVarint(),o+=e.readSVarint(),i<n&&(n=i),i>s&&(s=i),o<p&&(p=o),o>h&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[n,p,s,h]},VectorTileFeature.prototype.toGeoJSON=function(e,t,r){function a(e){for(var t=0;t<e.length;t++){var r=e[t],a=180-360*(r.y+p)/n;e[t]=[360*(r.x+s)/n-180,360/Math.PI*Math.atan(Math.exp(a*Math.PI/180))-90]}}var i,o,n=this.extent*Math.pow(2,r),s=this.extent*e,p=this.extent*t,h=this.loadGeometry(),u=VectorTileFeature.types[this.type];switch(this.type){case 1:var d=[];for(i=0;i<h.length;i++)d[i]=h[i][0];a(h=d);break;case 2:for(i=0;i<h.length;i++)a(h[i]);break;case 3:for(h=function(e){var t=e.length;if(t<=1)return[e];for(var r,a,i=[],o=0;o<t;o++){var n=function(e){for(var t,r,a=0,i=0,o=e.length,n=o-1;i<o;n=i++)t=e[i],r=e[n],a+=(r.x-t.x)*(t.y+r.y);return a}(e[o]);0!==n&&(void 0===a&&(a=n<0),a===n<0?(r&&i.push(r),r=[e[o]]):r.push(e[o]))}return r&&i.push(r),i}(h),i=0;i<h.length;i++)for(o=0;o<h[i].length;o++)a(h[i][o])}1===h.length?h=h[0]:u="Multi"+u;var f={type:"Feature",geometry:{type:u,coordinates:h},properties:this.properties};return"id"in this&&(f.id=this.id),f}},{"@mapbox/point-geometry":2}],9:[function(_dereq_,module,exports){"use strict";function VectorTileLayer(e,t){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=e,this._keys=[],this._values=[],this._features=[],e.readFields(function(e,t,r){15===e?t.version=r.readVarint():1===e?t.name=r.readString():5===e?t.extent=r.readVarint():2===e?t._features.push(r.pos):3===e?t._keys.push(r.readString()):4===e&&t._values.push(function(e){for(var t=null,r=e.readVarint()+e.pos;e.pos<r;){var a=e.readVarint()>>3;t=1===a?e.readString():2===a?e.readFloat():3===a?e.readDouble():4===a?e.readVarint64():5===a?e.readVarint():6===a?e.readSVarint():7===a?e.readBoolean():null}return t}(r))},this,t),this.length=this._features.length}var VectorTileFeature=_dereq_("./vectortilefeature.js");module.exports=VectorTileLayer,VectorTileLayer.prototype.feature=function(e){if(e<0||e>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[e];var t=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature(this._pbf,t,this.extent,this._keys,this._values)}},{"./vectortilefeature.js":8}],10:[function(_dereq_,module,exports){!function(e,t){!function(e){function o(e,t,o){var n=r(256*e,256*(t=Math.pow(2,o)-t-1),o),i=r(256*(e+1),256*(t+1),o);return n[0]+","+n[1]+","+i[0]+","+i[1]}function r(e,t,o){var r=2*Math.PI*6378137/256/Math.pow(2,o);return[e*r-2*Math.PI*6378137/2,t*r-2*Math.PI*6378137/2]}e.getURL=function(e,t,r,n,i,s){return s=s||{},e+"?"+["bbox="+o(r,n,i),"format="+(s.format||"image/png"),"service="+(s.service||"WMS"),"version="+(s.version||"1.1.1"),"request="+(s.request||"GetMap"),"srs="+(s.srs||"EPSG:3857"),"width="+(s.width||256),"height="+(s.height||256),"layers="+t].join("&")},e.getTileBBox=o,e.getMercCoords=r,Object.defineProperty(e,"__esModule",{value:!0})}("object"==typeof exports&&void 0!==module?exports:e.WhooTS=e.WhooTS||{})}(this)},{}],11:[function(_dereq_,module,exports){function clamp_css_byte(e){return(e=Math.round(e))<0?0:e>255?255:e}function parse_css_int(e){return clamp_css_byte("%"===e[e.length-1]?parseFloat(e)/100*255:parseInt(e))}function parse_css_float(e){return function(e){return e<0?0:e>1?1:e}("%"===e[e.length-1]?parseFloat(e)/100:parseFloat(e))}function css_hue_to_rgb(e,r,l){return l<0?l+=1:l>1&&(l-=1),6*l<1?e+(r-e)*l*6:2*l<1?r:3*l<2?e+(r-e)*(2/3-l)*6:e}var kCSSColorTable={transparent:[0,0,0,0],aliceblue:[240,248,255,1],antiquewhite:[250,235,215,1],aqua:[0,255,255,1],aquamarine:[127,255,212,1],azure:[240,255,255,1],beige:[245,245,220,1],bisque:[255,228,196,1],black:[0,0,0,1],blanchedalmond:[255,235,205,1],blue:[0,0,255,1],blueviolet:[138,43,226,1],brown:[165,42,42,1],burlywood:[222,184,135,1],cadetblue:[95,158,160,1],chartreuse:[127,255,0,1],chocolate:[210,105,30,1],coral:[255,127,80,1],cornflowerblue:[100,149,237,1],cornsilk:[255,248,220,1],crimson:[220,20,60,1],cyan:[0,255,255,1],darkblue:[0,0,139,1],darkcyan:[0,139,139,1],darkgoldenrod:[184,134,11,1],darkgray:[169,169,169,1],darkgreen:[0,100,0,1],darkgrey:[169,169,169,1],darkkhaki:[189,183,107,1],darkmagenta:[139,0,139,1],darkolivegreen:[85,107,47,1],darkorange:[255,140,0,1],darkorchid:[153,50,204,1],darkred:[139,0,0,1],darksalmon:[233,150,122,1],darkseagreen:[143,188,143,1],darkslateblue:[72,61,139,1],darkslategray:[47,79,79,1],darkslategrey:[47,79,79,1],darkturquoise:[0,206,209,1],darkviolet:[148,0,211,1],deeppink:[255,20,147,1],deepskyblue:[0,191,255,1],dimgray:[105,105,105,1],dimgrey:[105,105,105,1],dodgerblue:[30,144,255,1],firebrick:[178,34,34,1],floralwhite:[255,250,240,1],forestgreen:[34,139,34,1],fuchsia:[255,0,255,1],gainsboro:[220,220,220,1],ghostwhite:[248,248,255,1],gold:[255,215,0,1],goldenrod:[218,165,32,1],gray:[128,128,128,1],green:[0,128,0,1],greenyellow:[173,255,47,1],grey:[128,128,128,1],honeydew:[240,255,240,1],hotpink:[255,105,180,1],indianred:[205,92,92,1],indigo:[75,0,130,1],ivory:[255,255,240,1],khaki:[240,230,140,1],lavender:[230,230,250,1],lavenderblush:[255,240,245,1],lawngreen:[124,252,0,1],lemonchiffon:[255,250,205,1],lightblue:[173,216,230,1],lightcoral:[240,128,128,1],lightcyan:[224,255,255,1],lightgoldenrodyellow:[250,250,210,1],lightgray:[211,211,211,1],lightgreen:[144,238,144,1],lightgrey:[211,211,211,1],lightpink:[255,182,193,1],lightsalmon:[255,160,122,1],lightseagreen:[32,178,170,1],lightskyblue:[135,206,250,1],lightslategray:[119,136,153,1],lightslategrey:[119,136,153,1],lightsteelblue:[176,196,222,1],lightyellow:[255,255,224,1],lime:[0,255,0,1],limegreen:[50,205,50,1],linen:[250,240,230,1],magenta:[255,0,255,1],maroon:[128,0,0,1],mediumaquamarine:[102,205,170,1],mediumblue:[0,0,205,1],mediumorchid:[186,85,211,1],mediumpurple:[147,112,219,1],mediumseagreen:[60,179,113,1],mediumslateblue:[123,104,238,1],mediumspringgreen:[0,250,154,1],mediumturquoise:[72,209,204,1],mediumvioletred:[199,21,133,1],midnightblue:[25,25,112,1],mintcream:[245,255,250,1],mistyrose:[255,228,225,1],moccasin:[255,228,181,1],navajowhite:[255,222,173,1],navy:[0,0,128,1],oldlace:[253,245,230,1],olive:[128,128,0,1],olivedrab:[107,142,35,1],orange:[255,165,0,1],orangered:[255,69,0,1],orchid:[218,112,214,1],palegoldenrod:[238,232,170,1],palegreen:[152,251,152,1],paleturquoise:[175,238,238,1],palevioletred:[219,112,147,1],papayawhip:[255,239,213,1],peachpuff:[255,218,185,1],peru:[205,133,63,1],pink:[255,192,203,1],plum:[221,160,221,1],powderblue:[176,224,230,1],purple:[128,0,128,1],rebeccapurple:[102,51,153,1],red:[255,0,0,1],rosybrown:[188,143,143,1],royalblue:[65,105,225,1],saddlebrown:[139,69,19,1],salmon:[250,128,114,1],sandybrown:[244,164,96,1],seagreen:[46,139,87,1],seashell:[255,245,238,1],sienna:[160,82,45,1],silver:[192,192,192,1],skyblue:[135,206,235,1],slateblue:[106,90,205,1],slategray:[112,128,144,1],slategrey:[112,128,144,1],snow:[255,250,250,1],springgreen:[0,255,127,1],steelblue:[70,130,180,1],tan:[210,180,140,1],teal:[0,128,128,1],thistle:[216,191,216,1],tomato:[255,99,71,1],turquoise:[64,224,208,1],violet:[238,130,238,1],wheat:[245,222,179,1],white:[255,255,255,1],whitesmoke:[245,245,245,1],yellow:[255,255,0,1],yellowgreen:[154,205,50,1]};try{exports.parseCSSColor=function(e){var r=e.replace(/ /g,"").toLowerCase();if(r in kCSSColorTable)return kCSSColorTable[r].slice();if("#"===r[0]){if(4===r.length)return(l=parseInt(r.substr(1),16))>=0&&l<=4095?[(3840&l)>>4|(3840&l)>>8,240&l|(240&l)>>4,15&l|(15&l)<<4,1]:null;if(7===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=16777215?[(16711680&l)>>16,(65280&l)>>8,255&l,1]:null}return null}var a=r.indexOf("("),t=r.indexOf(")");if(-1!==a&&t+1===r.length){var n=r.substr(0,a),s=r.substr(a+1,t-(a+1)).split(","),o=1;switch(n){case"rgba":if(4!==s.length)return null;o=parse_css_float(s.pop());case"rgb":return 3!==s.length?null:[parse_css_int(s[0]),parse_css_int(s[1]),parse_css_int(s[2]),o];case"hsla":if(4!==s.length)return null;o=parse_css_float(s.pop());case"hsl":if(3!==s.length)return null;var i=(parseFloat(s[0])%360+360)%360/360,u=parse_css_float(s[1]),g=parse_css_float(s[2]),d=g<=.5?g*(u+1):g+u-g*u,c=2*g-d;return[clamp_css_byte(255*css_hue_to_rgb(c,d,i+1/3)),clamp_css_byte(255*css_hue_to_rgb(c,d,i)),clamp_css_byte(255*css_hue_to_rgb(c,d,i-1/3)),o];default:return null}}return null}}catch(e){}},{}],12:[function(_dereq_,module,exports){"use strict";function earcut(e,n,r){r=r||2;var t=n&&n.length,i=t?n[0]*r:e.length,x=linkedList(e,0,i,r,!0),a=[];if(!x)return a;var o,l,u,s,v,f,y;if(t&&(x=function(e,n,r,t){var i,x,a,o,l,u=[];for(i=0,x=n.length;i<x;i++)a=n[i]*t,o=i<x-1?n[i+1]*t:e.length,(l=linkedList(e,a,o,t,!1))===l.next&&(l.steiner=!0),u.push(function(e){var n=e,r=e;do{n.x<r.x&&(r=n),n=n.next}while(n!==e);return r}(l));for(u.sort(function(e,n){return e.x-n.x}),i=0;i<u.length;i++)(function(e,n){if(n=function(e,n){var r,t=n,i=e.x,x=e.y,a=-1/0;do{if(x<=t.y&&x>=t.next.y){var o=t.x+(x-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(o<=i&&o>a){if(a=o,o===i){if(x===t.y)return t;if(x===t.next.y)return t.next}r=t.x<t.next.x?t:t.next}}t=t.next}while(t!==n);if(!r)return null;if(i===a)return r.prev;var l,u=r,s=r.x,v=r.y,f=1/0;for(t=r.next;t!==u;)i>=t.x&&t.x>=s&&pointInTriangle(x<v?i:a,x,s,v,x<v?a:i,x,t.x,t.y)&&((l=Math.abs(x-t.y)/(i-t.x))<f||l===f&&t.x>r.x)&&locallyInside(t,e)&&(r=t,f=l),t=t.next;return r}(e,n)){var r=splitPolygon(n,e);filterPoints(r,r.next)}})(u[i],r),r=filterPoints(r,r.next);return r}(e,n,x,r)),e.length>80*r){o=u=e[0],l=s=e[1];for(var d=r;d<i;d+=r)v=e[d],f=e[d+1],v<o&&(o=v),f<l&&(l=f),v>u&&(u=v),f>s&&(s=f);y=Math.max(u-o,s-l)}return earcutLinked(x,a,r,o,l,y),a}function linkedList(e,n,r,t,i){var x,a;if(i===signedArea(e,n,r,t)>0)for(x=n;x<r;x+=t)a=insertNode(x,e[x],e[x+1],a);else for(x=r-t;x>=n;x-=t)a=insertNode(x,e[x],e[x+1],a);return a&&equals(a,a.next)&&(removeNode(a),a=a.next),a}function filterPoints(e,n){if(!e)return e;n||(n=e);var r,t=e;do{if(r=!1,t.steiner||!equals(t,t.next)&&0!==area(t.prev,t,t.next))t=t.next;else{if(removeNode(t),(t=n=t.prev)===t.next)return null;r=!0}}while(r||t!==n);return n}function earcutLinked(e,n,r,t,i,x,a){if(e){!a&&x&&function(e,n,r,t){var i=e;do{null===i.z&&(i.z=zOrder(i.x,i.y,n,r,t)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next}while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,function(e){var n,r,t,i,x,a,o,l,u=1;do{for(r=e,e=null,x=null,a=0;r;){for(a++,t=r,o=0,n=0;n<u&&(o++,t=t.nextZ);n++);for(l=u;o>0||l>0&&t;)0===o?(i=t,t=t.nextZ,l--):0!==l&&t?r.z<=t.z?(i=r,r=r.nextZ,o--):(i=t,t=t.nextZ,l--):(i=r,r=r.nextZ,o--),x?x.nextZ=i:e=i,i.prevZ=x,x=i;r=t}x.nextZ=null,u*=2}while(a>1)}(i)}(e,t,i,x);for(var o,l,u=e;e.prev!==e.next;)if(o=e.prev,l=e.next,x?function(e,n,r,t){var i=e.prev,x=e,a=e.next;if(area(i,x,a)>=0)return!1;for(var o=i.x<x.x?i.x<a.x?i.x:a.x:x.x<a.x?x.x:a.x,l=i.y<x.y?i.y<a.y?i.y:a.y:x.y<a.y?x.y:a.y,u=i.x>x.x?i.x>a.x?i.x:a.x:x.x>a.x?x.x:a.x,s=i.y>x.y?i.y>a.y?i.y:a.y:x.y>a.y?x.y:a.y,v=zOrder(o,l,n,r,t),f=zOrder(u,s,n,r,t),y=e.nextZ;y&&y.z<=f;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(y=e.prevZ;y&&y.z>=v;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.prevZ}return!0}(e,t,i,x):function(e){var n=e.prev,r=e,t=e.next;if(area(n,r,t)>=0)return!1;for(var i=e.next.next;i!==e.prev;){if(pointInTriangle(n.x,n.y,r.x,r.y,t.x,t.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}(e))n.push(o.i/r),n.push(e.i/r),n.push(l.i/r),removeNode(e),e=l.next,u=l.next;else if((e=l)===u){a?1===a?(e=function(e,n,r){var t=e;do{var i=t.prev,x=t.next.next;!equals(i,x)&&intersects(i,t,t.next,x)&&locallyInside(i,x)&&locallyInside(x,i)&&(n.push(i.i/r),n.push(t.i/r),n.push(x.i/r),removeNode(t),removeNode(t.next),t=e=x),t=t.next}while(t!==e);return t}(e,n,r),earcutLinked(e,n,r,t,i,x,2)):2===a&&function(e,n,r,t,i,x){var a=e;do{for(var o=a.next.next;o!==a.prev;){if(a.i!==o.i&&function(e,n){return e.next.i!==n.i&&e.prev.i!==n.i&&!function(e,n){var r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==n.i&&r.next.i!==n.i&&intersects(r,r.next,e,n))return!0;r=r.next}while(r!==e);return!1}(e,n)&&locallyInside(e,n)&&locallyInside(n,e)&&function(e,n){var r=e,t=!1,i=(e.x+n.x)/2,x=(e.y+n.y)/2;do{r.y>x!=r.next.y>x&&i<(r.next.x-r.x)*(x-r.y)/(r.next.y-r.y)+r.x&&(t=!t),r=r.next}while(r!==e);return t}(e,n)}(a,o)){var l=splitPolygon(a,o);return a=filterPoints(a,a.next),l=filterPoints(l,l.next),earcutLinked(a,n,r,t,i,x),void earcutLinked(l,n,r,t,i,x)}o=o.next}a=a.next}while(a!==e)}(e,n,r,t,i,x):earcutLinked(filterPoints(e),n,r,t,i,x,1);break}}}function zOrder(e,n,r,t,i){return e=32767*(e-r)/i,n=32767*(n-t)/i,e=16711935&(e|e<<8),e=252645135&(e|e<<4),e=858993459&(e|e<<2),e=1431655765&(e|e<<1),n=16711935&(n|n<<8),n=252645135&(n|n<<4),n=858993459&(n|n<<2),n=1431655765&(n|n<<1),e|n<<1}function pointInTriangle(e,n,r,t,i,x,a,o){return(i-a)*(n-o)-(e-a)*(x-o)>=0&&(e-a)*(t-o)-(r-a)*(n-o)>=0&&(r-a)*(x-o)-(i-a)*(t-o)>=0}function area(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function equals(e,n){return e.x===n.x&&e.y===n.y}function intersects(e,n,r,t){return!!(equals(e,n)&&equals(r,t)||equals(e,t)&&equals(r,n))||area(e,n,r)>0!=area(e,n,t)>0&&area(r,t,e)>0!=area(r,t,n)>0}function locallyInside(e,n){return area(e.prev,e,e.next)<0?area(e,n,e.next)>=0&&area(e,e.prev,n)>=0:area(e,n,e.prev)<0||area(e,e.next,n)<0}function splitPolygon(e,n){var r=new Node(e.i,e.x,e.y),t=new Node(n.i,n.x,n.y),i=e.next,x=n.prev;return e.next=n,n.prev=e,r.next=i,i.prev=r,t.next=r,r.prev=t,x.next=t,t.prev=x,t}function insertNode(e,n,r,t){var i=new Node(e,n,r);return t?(i.next=t.next,i.prev=t,t.next.prev=i,t.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,n,r,t){for(var i=0,x=n,a=r-t;x<r;x+=t)i+=(e[a]-e[x])*(e[x+1]+e[a+1]),a=x;return i}module.exports=earcut,earcut.deviation=function(e,n,r,t){var i=n&&n.length,x=i?n[0]*r:e.length,a=Math.abs(signedArea(e,0,x,r));if(i)for(var o=0,l=n.length;o<l;o++){var u=n[o]*r,s=o<l-1?n[o+1]*r:e.length;a-=Math.abs(signedArea(e,u,s,r))}var v=0;for(o=0;o<t.length;o+=3){var f=t[o]*r,y=t[o+1]*r,d=t[o+2]*r;v+=Math.abs((e[f]-e[d])*(e[y+1]-e[f+1])-(e[f]-e[y])*(e[d+1]-e[f+1]))}return 0===a&&0===v?0:Math.abs((v-a)/a)},earcut.flatten=function(e){for(var n=e[0][0].length,r={vertices:[],holes:[],dimensions:n},t=0,i=0;i<e.length;i++){for(var x=0;x<e[i].length;x++)for(var a=0;a<n;a++)r.vertices.push(e[i][x][a]);i>0&&(t+=e[i-1].length,r.holes.push(t))}return r}},{}],13:[function(_dereq_,module,exports){function polygonArea(r){var e=0;if(r&&r.length>0){e+=Math.abs(ringArea(r[0]));for(var n=1;n<r.length;n++)e-=Math.abs(ringArea(r[n]))}return e}function ringArea(r){var e=0;if(r.length>2){for(var n,t,o=0;o<r.length-1;o++)n=r[o],t=r[o+1],e+=rad(t[0]-n[0])*(2+Math.sin(rad(n[1]))+Math.sin(rad(t[1])));e=e*wgs84.RADIUS*wgs84.RADIUS/2}return e}function rad(r){return r*Math.PI/180}var wgs84=_dereq_("wgs84");module.exports.geometry=function(r){if("Polygon"===r.type)return polygonArea(r.coordinates);if("MultiPolygon"===r.type){for(var e=0,n=0;n<r.coordinates.length;n++)e+=polygonArea(r.coordinates[n]);return e}return null},module.exports.ring=ringArea},{wgs84:49}],14:[function(_dereq_,module,exports){function rewind(r,e){switch(r&&r.type||null){case"FeatureCollection":return r.features=r.features.map(curryOuter(rewind,e)),r;case"Feature":return r.geometry=rewind(r.geometry,e),r;case"Polygon":case"MultiPolygon":return function(r,e){return"Polygon"===r.type?r.coordinates=correctRings(r.coordinates,e):"MultiPolygon"===r.type&&(r.coordinates=r.coordinates.map(curryOuter(correctRings,e))),r}(r,e);default:return r}}function curryOuter(r,e){return function(n){return r(n,e)}}function correctRings(r,e){e=!!e,r[0]=wind(r[0],e);for(var n=1;n<r.length;n++)r[n]=wind(r[n],!e);return r}function wind(r,e){return function(r){return geojsonArea.ring(r)>=0}(r)===e?r:r.reverse()}var geojsonArea=_dereq_("geojson-area");module.exports=rewind},{"geojson-area":13}],15:[function(_dereq_,module,exports){"use strict";function newSlice(e,r,t,n,u){return r.length&&(r.area=t,r.dist=n,void 0!==u&&(r.outer=u),e.push(r)),[]}module.exports=function(e,r,t,n,u,i,l,s){if(t/=r,n/=r,l>=t&&s<=n)return e;if(l>n||s<t)return null;for(var h=[],p=0;p<e.length;p++){var a,c,o=e[p],f=o.geometry,g=o.type;if(a=o.min[u],c=o.max[u],a>=t&&c<=n)h.push(o);else if(!(a>n||c<t)){var v=1===g?function(e,r,t,n){for(var u=[],i=0;i<e.length;i++){var l=e[i],s=l[n];s>=r&&s<=t&&u.push(l)}return u}(f,t,n,u):function(e,r,t,n,u,i){for(var l=[],s=0;s<e.length;s++){var h,p,a,c=0,o=0,f=null,g=e[s],v=g.area,m=g.dist,w=g.outer,S=g.length,d=[];for(p=0;p<S-1;p++)h=f||g[p],f=g[p+1],c=o||h[n],o=f[n],c<r?o>t?(d.push(u(h,f,r),u(h,f,t)),i||(d=newSlice(l,d,v,m,w))):o>=r&&d.push(u(h,f,r)):c>t?o<r?(d.push(u(h,f,t),u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o<=t&&d.push(u(h,f,t)):(d.push(h),o<r?(d.push(u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o>t&&(d.push(u(h,f,t)),i||(d=newSlice(l,d,v,m,w))));(c=(h=g[S-1])[n])>=r&&c<=t&&d.push(h),a=d[d.length-1],i&&a&&(d[0][0]!==a[0]||d[0][1]!==a[1])&&d.push(d[0]),newSlice(l,d,v,m,w)}return l}(f,t,n,u,i,3===g);v.length&&h.push(createFeature(o.tags,g,v,o.id))}}return h.length?h:null};var createFeature=_dereq_("./feature")},{"./feature":17}],16:[function(_dereq_,module,exports){"use strict";function convertFeature(e,t,r){if(null!==t.geometry){var o,a,i,n,u=t.geometry,c=u.type,l=u.coordinates,s=t.properties,p=t.id;if("Point"===c)e.push(createFeature(s,1,[projectPoint(l)],p));else if("MultiPoint"===c)e.push(createFeature(s,1,project(l),p));else if("LineString"===c)e.push(createFeature(s,2,[project(l,r)],p));else if("MultiLineString"===c||"Polygon"===c){for(i=[],o=0;o<l.length;o++)n=project(l[o],r),"Polygon"===c&&(n.outer=0===o),i.push(n);e.push(createFeature(s,"Polygon"===c?3:2,i,p))}else if("MultiPolygon"===c){for(i=[],o=0;o<l.length;o++)for(a=0;a<l[o].length;a++)n=project(l[o][a],r),n.outer=0===a,i.push(n);e.push(createFeature(s,3,i,p))}else{if("GeometryCollection"!==c)throw new Error("Input data is not a valid GeoJSON object.");for(o=0;o<u.geometries.length;o++)convertFeature(e,{geometry:u.geometries[o],properties:s},r)}}}function project(e,t){for(var r=[],o=0;o<e.length;o++)r.push(projectPoint(e[o]));return t&&(simplify(r,t),function(e){for(var t,r,o=0,a=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],o+=t[0]*r[1]-r[0]*t[1],a+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(o/2),e.dist=a}(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,o=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return o=o<0?0:o>1?1:o,[r,o,0]}module.exports=function(e,t){var r=[];if("FeatureCollection"===e.type)for(var o=0;o<e.features.length;o++)convertFeature(r,e.features[o],t);else"Feature"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r};var simplify=_dereq_("./simplify"),createFeature=_dereq_("./feature")},{"./feature":17,"./simplify":19}],17:[function(_dereq_,module,exports){"use strict";function calcRingBBox(e,t,a){for(var n,r=0;r<a.length;r++)n=a[r],e[0]=Math.min(n[0],e[0]),t[0]=Math.max(n[0],t[0]),e[1]=Math.min(n[1],e[1]),t[1]=Math.max(n[1],t[1])}module.exports=function(e,t,a,n){var r={id:n||null,type:t,geometry:a,tags:e||null,min:[1/0,1/0],max:[-1/0,-1/0]};return function(e){var t=e.geometry,a=e.min,n=e.max;if(1===e.type)calcRingBBox(a,n,t);else for(var r=0;r<t.length;r++)calcRingBBox(a,n,t[r])}(r),r}},{}],18:[function(_dereq_,module,exports){"use strict";function GeoJSONVT(e,t){var i=(t=this.options=function(e,t){for(var i in t)e[i]=t[i];return e}(Object.create(this.options),t)).debug;i&&console.time("preprocess data");var o=1<<t.maxZoom,n=convert(e,t.tolerance/(o*t.extent));this.tiles={},this.tileCoords=[],i&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),(n=wrap(n,t.buffer/t.extent,intersectX)).length&&this.splitTile(n,0,0,0),i&&(n.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}function toID(e,t,i){return 32*((1<<e)*i+t)+e}function intersectX(e,t,i){return[i,(i-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,i){return[(i-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],i,1]}function isClippedSquare(e,t,i){var o=e.source;if(1!==o.length)return!1;var n=o[0];if(3!==n.type||n.geometry.length>1)return!1;var r=n.geometry[0].length;if(5!==r)return!1;for(var s=0;s<r;s++){var l=transform.point(n.geometry[0][s],t,e.z2,e.x,e.y);if(l[0]!==-i&&l[0]!==t+i||l[1]!==-i&&l[1]!==t+i)return!1}return!0}module.exports=function(e,t){return new GeoJSONVT(e,t)};var convert=_dereq_("./convert"),transform=_dereq_("./transform"),clip=_dereq_("./clip"),wrap=_dereq_("./wrap"),createTile=_dereq_("./tile");GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,i,o,n,r,s){for(var l=[e,t,i,o],a=this.options,u=a.debug,c=null;l.length;){o=l.pop(),i=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,d=toID(t,i,o),m=this.tiles[d],f=t===a.maxZoom?0:a.tolerance/(p*a.extent);if(!m&&(u>1&&console.time("creation"),m=this.tiles[d]=createTile(e,p,i,o,f,t===a.maxZoom),this.tileCoords.push({z:t,x:i,y:o}),u)){u>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,i,o,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var h="z"+t;this.stats[h]=(this.stats[h]||0)+1,this.total++}if(m.source=e,n){if(t===a.maxZoom||t===n)continue;var x=1<<n-t;if(i!==Math.floor(r/x)||o!==Math.floor(s/x))continue}else if(t===a.indexMaxZoom||m.numPoints<=a.indexMaxPoints)continue;if(a.solidChildren||!isClippedSquare(m,a.extent,a.buffer)){m.source=null,u>1&&console.time("clipping");var g,v,M,T,b,y,S=.5*a.buffer/a.extent,Z=.5-S,q=.5+S,w=1+S;g=v=M=T=null,b=clip(e,p,i-S,i+q,0,intersectX,m.min[0],m.max[0]),y=clip(e,p,i+Z,i+w,0,intersectX,m.min[0],m.max[0]),b&&(g=clip(b,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),v=clip(b,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),y&&(M=clip(y,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),T=clip(y,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),u>1&&console.timeEnd("clipping"),e.length&&(l.push(g||[],t+1,2*i,2*o),l.push(v||[],t+1,2*i,2*o+1),l.push(M||[],t+1,2*i+1,2*o),l.push(T||[],t+1,2*i+1,2*o+1))}else n&&(c=t)}return c},GeoJSONVT.prototype.getTile=function(e,t,i){var o=this.options,n=o.extent,r=o.debug,s=1<<e,l=toID(e,t=(t%s+s)%s,i);if(this.tiles[l])return transform.tile(this.tiles[l],n);r>1&&console.log("drilling down to z%d-%d-%d",e,t,i);for(var a,u=e,c=t,p=i;!a&&u>0;)u--,c=Math.floor(c/2),p=Math.floor(p/2),a=this.tiles[toID(u,c,p)];if(!a||!a.source)return null;if(r>1&&console.log("found parent tile z%d-%d-%d",u,c,p),isClippedSquare(a,n,o.buffer))return transform.tile(a,n);r>1&&console.time("drilling down");var d=this.splitTile(a.source,u,c,p,e,t,i);if(r>1&&console.timeEnd("drilling down"),null!==d){var m=1<<e-d;l=toID(d,Math.floor(t/m),Math.floor(i/m))}return this.tiles[l]?transform.tile(this.tiles[l],n):null}},{"./clip":15,"./convert":16,"./tile":20,"./transform":21,"./wrap":22}],19:[function(_dereq_,module,exports){"use strict";module.exports=function(t,i){var e,p,r,s,o=i*i,u=0,n=t.length-1,g=[];for(t[u][2]=1,t[n][2]=1;n;){for(p=0,e=u+1;e<n;e++)(r=function(t,i,e){var p=i[0],r=i[1],s=e[0],o=e[1],f=t[0],u=t[1],n=s-p,g=o-r;if(0!==n||0!==g){var l=((f-p)*n+(u-r)*g)/(n*n+g*g);l>1?(p=s,r=o):l>0&&(p+=n*l,r+=g*l)}return n=f-p,g=u-r,n*n+g*g}(t[e],t[u],t[n]))>p&&(s=e,p=r);p>o?(t[s][2]=p,g.push(u),g.push(s),u=s):(n=g.pop(),u=g.pop())}}},{}],20:[function(_dereq_,module,exports){"use strict";module.exports=function(e,n,r,i,t,u){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:i,z2:n,transformed:!1,min:[2,1],max:[-1,0]},m=0;m<e.length;m++){a.numFeatures++,function(e,n,r,i){var t,u,a,m,s=n.geometry,l=n.type,o=[],f=r*r;if(1===l)for(t=0;t<s.length;t++)o.push(s[t]),e.numPoints++,e.numSimplified++;else for(t=0;t<s.length;t++)if(a=s[t],i||!(2===l&&a.dist<r||3===l&&a.area<f)){var d=[];for(u=0;u<a.length;u++)m=a[u],(i||m[2]>f)&&(d.push(m),e.numSimplified++),e.numPoints++;3===l&&function(e,n){(function(e){for(var n,r,i=0,t=0,u=e.length,a=u-1;t<u;a=t++)n=e[t],r=e[a],i+=(r[0]-n[0])*(n[1]+r[1]);return i})(e)<0===n&&e.reverse()}(d,a.outer),o.push(d)}else e.numPoints+=a.length;if(o.length){var g={geometry:o,type:l,tags:n.tags||null};null!==n.id&&(g.id=n.id),e.features.push(g)}}(a,e[m],t,u);var s=e[m].min,l=e[m].max;s[0]<a.min[0]&&(a.min[0]=s[0]),s[1]<a.min[1]&&(a.min[1]=s[1]),l[0]>a.max[0]&&(a.max[0]=l[0]),l[1]>a.max[1]&&(a.max[1]=l[1])}return a}},{}],21:[function(_dereq_,module,exports){"use strict";function transformPoint(r,t,n,e,o){return[Math.round(t*(r[0]*n-e)),Math.round(t*(r[1]*n-o))]}exports.tile=function(r,t){if(r.transformed)return r;var n,e,o,f=r.z2,a=r.x,s=r.y;for(n=0;n<r.features.length;n++){var i=r.features[n],u=i.geometry;if(1===i.type)for(e=0;e<u.length;e++)u[e]=transformPoint(u[e],t,f,a,s);else for(e=0;e<u.length;e++){var m=u[e];for(o=0;o<m.length;o++)m[o]=transformPoint(m[o],t,f,a,s)}}return r.transformed=!0,r},exports.point=transformPoint},{}],22:[function(_dereq_,module,exports){"use strict";function shiftFeatureCoords(r,e){for(var t=[],o=0;o<r.length;o++){var a,s=r[o],i=s.type;if(1===i)a=shiftCoords(s.geometry,e);else{a=[];for(var u=0;u<s.geometry.length;u++)a.push(shiftCoords(s.geometry[u],e))}t.push(createFeature(s.tags,i,a,s.id))}return t}function shiftCoords(r,e){var t=[];t.area=r.area,t.dist=r.dist;for(var o=0;o<r.length;o++)t.push([r[o][0]+e,r[o][1],r[o][2]]);return t}var clip=_dereq_("./clip"),createFeature=_dereq_("./feature");module.exports=function(r,e,t){var o=r,a=clip(r,1,-1-e,e,0,t,-1,2),s=clip(r,1,1-e,2+e,0,t,-1,2);return(a||s)&&(o=clip(r,1,-e,1+e,0,t,-1,2)||[],a&&(o=shiftFeatureCoords(a,1).concat(o)),s&&(o=o.concat(shiftFeatureCoords(s,-1)))),o}},{"./clip":15,"./feature":17}],23:[function(_dereq_,module,exports){"use strict";function GridIndex(t,r,e){var s=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var i=new Int32Array(this.arrayBuffer);t=i[0],r=i[1],e=i[2],this.d=r+2*e;for(var h=0;h<this.d*this.d;h++){var n=i[NUM_PARAMS+h],o=i[NUM_PARAMS+h+1];s.push(n===o?null:i.subarray(n,o))}var l=i[NUM_PARAMS+s.length],a=i[NUM_PARAMS+s.length+1];this.keys=i.subarray(l,a),this.bboxes=i.subarray(a),this.insert=this._insertReadonly}else{this.d=r+2*e;for(var d=0;d<this.d*this.d;d++)s.push([]);this.keys=[],this.bboxes=[]}this.n=r,this.extent=t,this.padding=e,this.scale=r/t,this.uid=0;var f=e/r*t;this.min=-f,this.max=t+f}module.exports=GridIndex;var NUM_PARAMS=3;GridIndex.prototype.insert=function(t,r,e,s,i){this._forEachCell(r,e,s,i,this._insertCell,this.uid++),this.keys.push(t),this.bboxes.push(r),this.bboxes.push(e),this.bboxes.push(s),this.bboxes.push(i)},GridIndex.prototype._insertReadonly=function(){throw"Cannot insert into a GridIndex created from an ArrayBuffer."},GridIndex.prototype._insertCell=function(t,r,e,s,i,h){this.cells[i].push(h)},GridIndex.prototype.query=function(t,r,e,s){var i=this.min,h=this.max;if(t<=i&&r<=i&&h<=e&&h<=s)return Array.prototype.slice.call(this.keys);var n=[];return this._forEachCell(t,r,e,s,this._queryCell,n,{}),n},GridIndex.prototype._queryCell=function(t,r,e,s,i,h,n){var o=this.cells[i];if(null!==o)for(var l=this.keys,a=this.bboxes,d=0;d<o.length;d++){var f=o[d];if(void 0===n[f]){var u=4*f;t<=a[u+2]&&r<=a[u+3]&&e>=a[u+0]&&s>=a[u+1]?(n[f]=!0,h.push(l[f])):n[f]=!1}}},GridIndex.prototype._forEachCell=function(t,r,e,s,i,h,n){for(var o=this._convertToCellCoord(t),l=this._convertToCellCoord(r),a=this._convertToCellCoord(e),d=this._convertToCellCoord(s),f=o;f<=a;f++)for(var u=l;u<=d;u++){var y=this.d*u+f;if(i.call(this,t,r,e,s,y,h,n))return}},GridIndex.prototype._convertToCellCoord=function(t){return Math.max(0,Math.min(this.d-1,Math.floor(t*this.scale)+this.padding))},GridIndex.prototype.toArrayBuffer=function(){if(this.arrayBuffer)return this.arrayBuffer;for(var t=this.cells,r=NUM_PARAMS+this.cells.length+1+1,e=0,s=0;s<this.cells.length;s++)e+=this.cells[s].length;var i=new Int32Array(r+e+this.keys.length+this.bboxes.length);i[0]=this.extent,i[1]=this.n,i[2]=this.padding;for(var h=r,n=0;n<t.length;n++){var o=t[n];i[NUM_PARAMS+n]=h,i.set(o,h),h+=o.length}return i[NUM_PARAMS+t.length]=h,i.set(this.keys,h),h+=this.keys.length,i[NUM_PARAMS+t.length+1]=h,i.set(this.bboxes,h),h+=this.bboxes.length,i.buffer}},{}],24:[function(_dereq_,module,exports){exports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:1/0*(s?-1:1);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=o<0||0===o&&1/o<0?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),(o+=p+N>=1?n/f:n*Math.pow(2,1-N))*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l}},{}],25:[function(_dereq_,module,exports){"use strict";function KDBush(t,i,e,s,n){i=i||function(t){return t[0]},e=e||function(t){return t[1]},n=n||Array,this.nodeSize=s||64,this.points=t,this.ids=new n(t.length),this.coords=new n(2*t.length);for(var r=0;r<t.length;r++)this.ids[r]=r,this.coords[2*r]=i(t[r]),this.coords[2*r+1]=e(t[r]);sort(this.ids,this.coords,this.nodeSize,0,this.ids.length-1,0)}var sort=_dereq_("./sort"),range=_dereq_("./range"),within=_dereq_("./within");module.exports=function(t,i,e,s,n){return new KDBush(t,i,e,s,n)},KDBush.prototype={range:function(t,i,e,s){return range(this.ids,this.coords,t,i,e,s,this.nodeSize)},within:function(t,i,e){return within(this.ids,this.coords,t,i,e,this.nodeSize)}}},{"./range":26,"./sort":27,"./within":28}],26:[function(_dereq_,module,exports){"use strict";module.exports=function(p,r,s,u,h,e,o){for(var a,t,n=[0,p.length-1,0],f=[];n.length;){var l=n.pop(),v=n.pop(),g=n.pop();if(v-g<=o)for(var i=g;i<=v;i++)a=r[2*i],t=r[2*i+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[i]);else{var c=Math.floor((g+v)/2);a=r[2*c],t=r[2*c+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[c]);var d=(l+1)%2;(0===l?s<=a:u<=t)&&(n.push(g),n.push(c-1),n.push(d)),(0===l?h>=a:e>=t)&&(n.push(c+1),n.push(v),n.push(d))}}return f}},{}],27:[function(_dereq_,module,exports){"use strict";function sortKD(t,a,o,s,r,e){if(!(r-s<=o)){var f=Math.floor((s+r)/2);select(t,a,f,s,r,e%2),sortKD(t,a,o,s,f-1,e+1),sortKD(t,a,o,f+1,r,e+1)}}function select(t,a,o,s,r,e){for(;r>s;){if(r-s>600){var f=r-s+1,p=o-s+1,w=Math.log(f),m=.5*Math.exp(2*w/3),n=.5*Math.sqrt(w*m*(f-m)/f)*(p-f/2<0?-1:1);select(t,a,o,Math.max(s,Math.floor(o-p*m/f+n)),Math.min(r,Math.floor(o+(f-p)*m/f+n)),e)}var c=a[2*o+e],h=s,i=r;for(swapItem(t,a,s,o),a[2*r+e]>c&&swapItem(t,a,s,r);h<i;){for(swapItem(t,a,h,i),h++,i--;a[2*h+e]<c;)h++;for(;a[2*i+e]>c;)i--}a[2*s+e]===c?swapItem(t,a,s,i):(i++,swapItem(t,a,i,r)),i<=o&&(s=i+1),o<=i&&(r=i-1)}}function swapItem(t,a,o,s){swap(t,o,s),swap(a,2*o,2*s),swap(a,2*o+1,2*s+1)}function swap(t,a,o){var s=t[a];t[a]=t[o],t[o]=s}module.exports=sortKD},{}],28:[function(_dereq_,module,exports){"use strict";function sqDist(s,p,r,t){var u=s-r,h=p-t;return u*u+h*h}module.exports=function(s,p,r,t,u,h){for(var i=[0,s.length-1,0],o=[],n=u*u;i.length;){var e=i.pop(),a=i.pop(),f=i.pop();if(a-f<=h)for(var v=f;v<=a;v++)sqDist(p[2*v],p[2*v+1],r,t)<=n&&o.push(s[v]);else{var l=Math.floor((f+a)/2),c=p[2*l],q=p[2*l+1];sqDist(c,q,r,t)<=n&&o.push(s[l]);var D=(e+1)%2;(0===e?r-u<=c:t-u<=q)&&(i.push(f),i.push(l-1),i.push(D)),(0===e?r+u>=c:t+u>=q)&&(i.push(l+1),i.push(a),i.push(D))}}return o}},{}],29:[function(_dereq_,module,exports){function baseIsEqual(r,e,a,t,o,n){return r===e||(null==r||null==e||!function(r){var e=typeof r;return!!r&&("object"==e||"function"==e)}(r)&&!function(r){return!!r&&"object"==typeof r}(e)?r!=r&&e!=e:function(r,e,a,t,o,n,u){var c=isArray(r),s=isArray(e),i=arrayTag,g=arrayTag;c||((i=objToString.call(r))==argsTag?i=objectTag:i!=objectTag&&(c=isTypedArray(r))),s||((g=objToString.call(e))==argsTag?g=objectTag:g!=objectTag&&(s=isTypedArray(e)));var b=i==objectTag,l=g==objectTag,f=i==g;if(f&&!c&&!b)return function(r,e,a){switch(i){case boolTag:case dateTag:return+r==+e;case errorTag:return r.name==e.name&&r.message==e.message;case numberTag:return r!=+r?e!=+e:r==+e;case regexpTag:case stringTag:return r==e+""}return!1}(r,e);if(!o){var y=b&&hasOwnProperty.call(r,"__wrapped__"),T=l&&hasOwnProperty.call(e,"__wrapped__");if(y||T)return a(y?r.value():r,T?e.value():e,t,o,n,u)}if(!f)return!1;n||(n=[]),u||(u=[]);for(var j=n.length;j--;)if(n[j]==r)return u[j]==e;n.push(r),u.push(e);var p=(c?function(r,e,a,t,o,n,u){var c=-1,s=r.length,i=e.length;if(s!=i&&!(o&&i>s))return!1;for(;++c<s;){var g=r[c],b=e[c],l=t?t(o?b:g,o?g:b,c):void 0;if(void 0!==l){if(l)continue;return!1}if(o){if(!function(r,e){for(var a=-1,t=r.length;++a<t;)if(e(r[a]))return!0;return!1}(e,function(r){return g===r||a(g,r,t,o,n,u)}))return!1}else if(g!==b&&!a(g,b,t,o,n,u))return!1}return!0}:function(r,e,a,t,o,n,u){var c=keys(r),s=c.length;if(s!=keys(e).length&&!o)return!1;for(var i=s;i--;){var g=c[i];if(!(o?g in e:hasOwnProperty.call(e,g)))return!1}for(var b=o;++i<s;){var l=r[g=c[i]],f=e[g],y=t?t(o?f:l,o?l:f,g):void 0;if(!(void 0===y?a(l,f,t,o,n,u):y))return!1;b||(b="constructor"==g)}if(!b){var T=r.constructor,j=e.constructor;if(T!=j&&"constructor"in r&&"constructor"in e&&!("function"==typeof T&&T instanceof T&&"function"==typeof j&&j instanceof j))return!1}return!0})(r,e,a,t,o,n,u);return n.pop(),u.pop(),p}(r,e,baseIsEqual,a,t,o,n))}var isArray=_dereq_("lodash.isarray"),isTypedArray=_dereq_("lodash.istypedarray"),keys=_dereq_("lodash.keys"),argsTag="[object Arguments]",arrayTag="[object Array]",boolTag="[object Boolean]",dateTag="[object Date]",errorTag="[object Error]",numberTag="[object Number]",objectTag="[object Object]",regexpTag="[object RegExp]",stringTag="[object String]",objectProto=Object.prototype,hasOwnProperty=objectProto.hasOwnProperty,objToString=objectProto.toString;module.exports=baseIsEqual},{"lodash.isarray":33,"lodash.istypedarray":35,"lodash.keys":36}],30:[function(_dereq_,module,exports){module.exports=function(n,t,r){if("function"!=typeof n)return function(n){return n};if(void 0===t)return n;switch(r){case 1:return function(r){return n.call(t,r)};case 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Item(e,t)),1!==queue.length||draining||runTimeout(drainQueue)},Item.prototype.run=function(){this.fun.apply(null,this.array)},process.title="browser",process.browser=!0,process.env={},process.argv=[],process.version="",process.versions={},process.on=noop,process.addListener=noop,process.once=noop,process.off=noop,process.removeListener=noop,process.removeAllListeners=noop,process.emit=noop,process.prependListener=noop,process.prependOnceListener=noop,process.listeners=function(e){return[]},process.binding=function(e){throw new Error("process.binding is not supported")},process.cwd=function(){return"/"},process.chdir=function(e){throw new Error("process.chdir is not supported")},process.umask=function(){return 0}},{}],40:[function(_dereq_,module,exports){"use strict";function partialSort(a,t,r,o,p){for(r=r||0,o=o||a.length-1,p=p||function(a,t){return a<t?-1:a>t?1:0};o>r;){if(o-r>600){var f=o-r+1,e=t-r+1,l=Math.log(f),s=.5*Math.exp(2*l/3),i=.5*Math.sqrt(l*s*(f-s)/f)*(e-f/2<0?-1:1);partialSort(a,t,Math.max(r,Math.floor(t-e*s/f+i)),Math.min(o,Math.floor(t+(f-e)*s/f+i)),p)}var n=a[t],h=r,u=o;for(swap(a,r,t),p(a[o],n)>0&&swap(a,r,o);h<u;){for(swap(a,h,u),h++,u--;p(a[h],n)<0;)h++;for(;p(a[u],n)>0;)u--}0===p(a[r],n)?swap(a,r,u):(u++,swap(a,u,o)),u<=t&&(r=u+1),t<=u&&(o=u-1)}}function swap(a,t,r){var o=a[t];a[t]=a[r],a[r]=o}module.exports=partialSort},{}],41:[function(_dereq_,module,exports){"use strict";function SuperCluster(t){this.options=extend(Object.create(this.options),t),this.trees=new Array(this.options.maxZoom+1)}function getClusterJSON(t){return{type:"Feature",properties:getClusterProperties(t),geometry:{type:"Point",coordinates:[function(t){return 360*(t-.5)}(t.x),function(t){var e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}(t.y)]}}}function getClusterProperties(t){var e=t.numPoints,n=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return extend(extend({},t.properties),{cluster:!0,cluster_id:t.id,point_count:e,point_count_abbreviated:n})}function lngX(t){return t/360+.5}function latY(t){var e=Math.sin(t*Math.PI/180),n=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return n<0?0:n>1?1:n}function extend(t,e){for(var n in e)t[n]=e[n];return t}function getX(t){return t.x}function getY(t){return t.y}var kdbush=_dereq_("kdbush");module.exports=function(t){return new SuperCluster(t)},SuperCluster.prototype={options:{minZoom:0,maxZoom:16,radius:40,extent:512,nodeSize:64,log:!1,reduce:null,initial:function(){return{}},map:function(t){return t}},load:function(t){var e=this.options.log;e&&console.time("total time");var n="prepare "+t.length+" points";e&&console.time(n),this.points=t;var o=t.map(function(t,e){var n=t.geometry.coordinates;return{x:lngX(n[0]),y:latY(n[1]),zoom:1/0,id:e,parentId:-1}});e&&console.timeEnd(n);for(var i=this.options.maxZoom;i>=this.options.minZoom;i--){var r=+Date.now();this.trees[i+1]=kdbush(o,getX,getY,this.options.nodeSize,Float32Array),o=this._cluster(o,i),e&&console.log("z%d: %d clusters in %dms",i,o.length,+Date.now()-r)}return this.trees[this.options.minZoom]=kdbush(o,getX,getY,this.options.nodeSize,Float32Array),e&&console.timeEnd("total time"),this},getClusters:function(t,e){for(var n=this.trees[this._limitZoom(e)],o=n.range(lngX(t[0]),latY(t[3]),lngX(t[2]),latY(t[1])),i=[],r=0;r<o.length;r++){var s=n.points[o[r]];i.push(s.numPoints?getClusterJSON(s):this.points[s.id])}return i},getChildren:function(t,e){for(var n=this.trees[e+1].points[t],o=this.options.radius/(this.options.extent*Math.pow(2,e)),i=this.trees[e+1].within(n.x,n.y,o),r=[],s=0;s<i.length;s++){var u=this.trees[e+1].points[i[s]];u.parentId===t&&r.push(u.numPoints?getClusterJSON(u):this.points[u.id])}return r},getLeaves:function(t,e,n,o){n=n||10,o=o||0;var i=[];return this._appendLeaves(i,t,e,n,o,0),i},getTile:function(t,e,n){var o=this.trees[this._limitZoom(t)],i=Math.pow(2,t),r=this.options.extent,u=this.options.radius/r,a=(n-u)/i,p=(n+1+u)/i,h={features:[]};return this._addTileFeatures(o.range((e-u)/i,a,(e+1+u)/i,p),o.points,e,n,i,h),0===e&&this._addTileFeatures(o.range(1-u/i,a,1,p),o.points,i,n,i,h),e===i-1&&this._addTileFeatures(o.range(0,a,u/i,p),o.points,-1,n,i,h),h.features.length?h:null},getClusterExpansionZoom:function(t,e){for(;e<this.options.maxZoom;){var n=this.getChildren(t,e);if(e++,1!==n.length)break;t=n[0].properties.cluster_id}return e},_appendLeaves:function(t,e,n,o,i,r){for(var s=this.getChildren(e,n),u=0;u<s.length;u++){var a=s[u].properties;if(a.cluster?r+a.point_count<=i?r+=a.point_count:r=this._appendLeaves(t,a.cluster_id,n+1,o,i,r):r<i?r++:t.push(s[u]),t.length===o)break}return r},_addTileFeatures:function(t,e,n,o,i,r){for(var s=0;s<t.length;s++){var u=e[t[s]];r.features.push({type:1,geometry:[[Math.round(this.options.extent*(u.x*i-n)),Math.round(this.options.extent*(u.y*i-o))]],tags:u.numPoints?getClusterProperties(u):this.points[u.id].properties})}},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var n=[],o=this.options.radius/(this.options.extent*Math.pow(2,e)),i=0;i<t.length;i++){var r=t[i];if(!(r.zoom<=e)){r.zoom=e;var s=this.trees[e+1],u=s.within(r.x,r.y,o),a=r.numPoints||1,p=r.x*a,h=r.y*a,l=null;this.options.reduce&&(l=this.options.initial(),this._accumulate(l,r));for(var c=0;c<u.length;c++){var d=s.points[u[c]];if(e<d.zoom){var m=d.numPoints||1;d.zoom=e,p+=d.x*m,h+=d.y*m,a+=m,d.parentId=i,this.options.reduce&&this._accumulate(l,d)}}1===a?n.push(r):(r.parentId=i,n.push(function(t,e,n,o,i){return{x:p/a,y:h/a,zoom:1/0,id:o,properties:l,parentId:-1,numPoints:a}}(0,0,0,i)))}}return n},_accumulate:function(t,e){var n=e.numPoints?e.properties:this.options.map(this.points[e.id].properties);this.options.reduce(t,n)}}},{kdbush:25}],42:[function(_dereq_,module,exports){"use strict";function TinyQueue(t,i){if(!(this instanceof TinyQueue))return new TinyQueue(t,i);if(this.data=t||[],this.length=this.data.length,this.compare=i||function(t,i){return t<i?-1:t>i?1:0},this.length>0)for(var e=this.length>>1;e>=0;e--)this._down(e)}module.exports=TinyQueue,TinyQueue.prototype={push:function(t){this.data.push(t),this.length++,this._up(this.length-1)},pop:function(){if(0!==this.length){var t=this.data[0];return this.length--,this.length>0&&(this.data[0]=this.data[this.length],this._down(0)),this.data.pop(),t}},peek:function(){return this.data[0]},_up:function(t){for(var i=this.data,e=this.compare,h=i[t];t>0;){var n=t-1>>1,a=i[n];if(e(h,a)>=0)break;i[t]=a,t=n}i[t]=h},_down:function(t){for(var i=this.data,e=this.compare,h=this.length,n=h>>1,a=i[t];t<n;){var s=1+(t<<1),u=s+1,r=i[s];if(u<h&&e(i[u],r)<0&&(s=u,r=i[u]),e(r,a)>=0)break;i[t]=r,t=s}i[t]=a}}},{}],43:[function(_dereq_,module,exports){"function"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t}},{}],44:[function(_dereq_,module,exports){module.exports=function(o){return o&&"object"==typeof o&&"function"==typeof o.copy&&"function"==typeof o.fill&&"function"==typeof o.readUInt8}},{}],45:[function(_dereq_,module,exports){(function(process,global){function inspect(e,r){var t={seen:[],stylize:function(e,r){return e}};return 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s,u,c;if((c=Object.getOwnPropertyDescriptor(r,i)||{value:r[i]}).get?u=c.set?e.stylize("[Getter/Setter]","special"):e.stylize("[Getter]","special"):c.set&&(u=e.stylize("[Setter]","special")),hasOwnProperty(n,i)||(s="["+i+"]"),u||(e.seen.indexOf(c.value)<0?(u=isNull(t)?formatValue(e,c.value,null):formatValue(e,c.value,t-1)).indexOf("\n")>-1&&(u=o?u.split("\n").map(function(e){return" "+e}).join("\n").substr(2):"\n"+u.split("\n").map(function(e){return" "+e}).join("\n")):u=e.stylize("[Circular]","special")),isUndefined(s)){if(o&&i.match(/^\d+$/))return u;(s=JSON.stringify(""+i)).match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)?(s=s.substr(1,s.length-2),s=e.stylize(s,"name")):(s=s.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'"),s=e.stylize(s,"string"))}return s+": "+u}function isArray(e){return Array.isArray(e)}function isBoolean(e){return"boolean"==typeof e}function isNull(e){return null===e}function isNumber(e){return"number"==typeof e}function isString(e){return"string"==typeof e}function isUndefined(e){return void 0===e}function isRegExp(e){return isObject(e)&&"[object RegExp]"===objectToString(e)}function isObject(e){return"object"==typeof e&&null!==e}function isDate(e){return isObject(e)&&"[object Date]"===objectToString(e)}function isError(e){return isObject(e)&&("[object Error]"===objectToString(e)||e instanceof Error)}function isFunction(e){return"function"==typeof e}function objectToString(e){return Object.prototype.toString.call(e)}function pad(e){return e<10?"0"+e.toString(10):e.toString(10)}function hasOwnProperty(e,r){return Object.prototype.hasOwnProperty.call(e,r)}var formatRegExp=/%[sdj%]/g;exports.format=function(e){if(!isString(e)){for(var r=[],t=0;t<arguments.length;t++)r.push(inspect(arguments[t]));return r.join(" ")}for(var t=1,n=arguments,i=n.length,o=String(e).replace(formatRegExp,function(e){if("%%"===e)return"%";if(t>=i)return e;switch(e){case"%s":return String(n[t++]);case"%d":return Number(n[t++]);case"%j":try{return JSON.stringify(n[t++])}catch(e){return"[Circular]"}default:return e}}),s=n[t];t<i;s=n[++t])isNull(s)||!isObject(s)?o+=" "+s:o+=" "+inspect(s);return o},exports.deprecate=function(e,r){if(isUndefined(global.process))return function(){return exports.deprecate(e,r).apply(this,arguments)};if(!0===process.noDeprecation)return e;var n=!1;return function(){if(!n){if(process.throwDeprecation)throw new Error(r);process.traceDeprecation?console.trace(r):console.error(r),n=!0}return e.apply(this,arguments)}};var debugEnviron,debugs={};exports.debuglog=function(e){if(isUndefined(debugEnviron)&&(debugEnviron=process.env.NODE_DEBUG||""),e=e.toUpperCase(),!debugs[e])if(new RegExp("\\b"+e+"\\b","i").test(debugEnviron)){var r=process.pid;debugs[e]=function(){var t=exports.format.apply(exports,arguments);console.error("%s %d: %s",e,r,t)}}else debugs[e]=function(){};return debugs[e]},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"},exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=function(e){return null==e},exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=function(e){return"symbol"==typeof e},exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.isError=isError,exports.isFunction=isFunction,exports.isPrimitive=function(e){return null===e||"boolean"==typeof e||"number"==typeof e||"string"==typeof e||"symbol"==typeof e||void 0===e},exports.isBuffer=_dereq_("./support/isBuffer");var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",function(){var e=new Date,r=[pad(e.getHours()),pad(e.getMinutes()),pad(e.getSeconds())].join(":");return[e.getDate(),months[e.getMonth()],r].join(" ")}(),exports.format.apply(exports,arguments))},exports.inherits=_dereq_("inherits"),exports._extend=function(e,r){if(!r||!isObject(r))return e;for(var t=Object.keys(r),n=t.length;n--;)e[t[n]]=r[t[n]];return e}}).call(this,_dereq_("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./support/isBuffer":44,_process:39,inherits:43}],46:[function(_dereq_,module,exports){function fromVectorTileJs(e){var r=new Pbf;return function(e,r){for(var t in e.layers)r.writeMessage(3,function(e,r){r.writeVarintField(15,e.version||1),r.writeStringField(1,e.name||""),r.writeVarintField(5,e.extent||4096);var t,i={keys:[],values:[],keycache:{},valuecache:{}};for(t=0;t<e.length;t++)i.feature=e.feature(t),r.writeMessage(2,function(e,r){var t=e.feature;void 0!==t.id&&r.writeVarintField(1,t.id),r.writeMessage(2,function(e,r){var t=e.feature,i=e.keys,a=e.values,o=e.keycache,n=e.valuecache;for(var l in t.properties){var s=o[l];void 0===s&&(i.push(l),s=i.length-1,o[l]=s),r.writeVarint(s);var u=t.properties[l],f=typeof u;"string"!==f&&"boolean"!==f&&"number"!==f&&(u=JSON.stringify(u));var w=f+":"+u,v=n[w];void 0===v&&(a.push(u),v=a.length-1,n[w]=v),r.writeVarint(v)}},e),r.writeVarintField(3,t.type),r.writeMessage(4,function(e,r){for(var t=e.loadGeometry(),i=e.type,a=0,o=0,n=t.length,l=0;l<n;l++){var s=t[l],u=1;1===i&&(u=s.length),r.writeVarint(command(1,u));for(var f=0;f<s.length;f++){1===f&&1!==i&&r.writeVarint(command(2,s.length-1));var w=s[f].x-a,v=s[f].y-o;r.writeVarint(zigzag(w)),r.writeVarint(zigzag(v)),a+=w,o+=v}}},t)},i);var a=i.keys;for(t=0;t<a.length;t++)r.writeStringField(3,a[t]);var o=i.values;for(t=0;t<o.length;t++)r.writeMessage(4,function(e,r){var t=typeof e;"string"===t?r.writeStringField(1,e):"boolean"===t?r.writeBooleanField(7,e):"number"===t&&(e%1!=0?r.writeDoubleField(3,e):e<0?r.writeSVarintField(6,e):r.writeVarintField(5,e))},o[t])},e.layers[t])}(e,r),r.finish()}function command(e,r){return(r<<3)+(7&e)}function zigzag(e){return e<<1^e>>31}var Pbf=_dereq_("pbf"),GeoJSONWrapper=_dereq_("./lib/geojson_wrapper");module.exports=fromVectorTileJs,module.exports.fromVectorTileJs=fromVectorTileJs,module.exports.fromGeojsonVt=function(e){var r={};for(var t in e)r[t]=new GeoJSONWrapper(e[t].features),r[t].name=t;return fromVectorTileJs({layers:r})},module.exports.GeoJSONWrapper=GeoJSONWrapper},{"./lib/geojson_wrapper":47,pbf:38}],47:[function(_dereq_,module,exports){"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length}function FeatureWrapper(e){this.id="number"==typeof e.id?e.id:void 0,this.type=e.type,this.rawGeometry=1===e.type?[e.geometry]:e.geometry,this.properties=e.tags,this.extent=4096}var Point=_dereq_("@mapbox/point-geometry"),VectorTileFeature=_dereq_("@mapbox/vector-tile").VectorTileFeature;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-1/0,o=1/0,a=-1/0,p=0;p<e.length;p++)for(var i=e[p],n=0;n<i.length;n++){var h=i[n];t=Math.min(t,h.x),r=Math.max(r,h.x),o=Math.min(o,h.y),a=Math.max(a,h.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON},{"@mapbox/point-geometry":2,"@mapbox/vector-tile":6}],48:[function(_dereq_,module,exports){var bundleFn=arguments[3],sources=arguments[4],cache=arguments[5],stringify=JSON.stringify;module.exports=function(r,e){function t(r){d[r]=!0;for(var e in sources[r][1]){var n=sources[r][1][e];d[n]||t(n)}}for(var n,o=Object.keys(cache),a=0,i=o.length;a<i;a++){var s=o[a],u=cache[s].exports;if(u===r||u&&u.default===r){n=s;break}}if(!n){n=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var f={},a=0,i=o.length;a<i;a++)f[s=o[a]]=s;sources[n]=[Function(["require","module","exports"],"("+r+")(self)"),f]}var c=Math.floor(Math.pow(16,8)*Math.random()).toString(16),l={};l[n]=n,sources[c]=[Function(["require"],"var f = require("+stringify(n)+");(f.default ? f.default : f)(self);"),l];var d={};t(c);var g="("+bundleFn+")({"+Object.keys(d).map(function(r){return stringify(r)+":["+sources[r][0]+","+stringify(sources[r][1])+"]"}).join(",")+"},{},["+stringify(c)+"])",v=window.URL||window.webkitURL||window.mozURL||window.msURL,w=new Blob([g],{type:"text/javascript"});if(e&&e.bare)return w;var h=v.createObjectURL(w),b=new Worker(h);return b.objectURL=h,b}},{}],49:[function(_dereq_,module,exports){module.exports.RADIUS=6378137,module.exports.FLATTENING=1/298.257223563,module.exports.POLAR_RADIUS=6356752.3142},{}],50:[function(_dereq_,module,exports){module.exports={version:"0.41.0"}},{}],51:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util");module.exports={deserialize:function(e,r){var t={};if(!r)return t;for(var i=0,a=e;i<a.length;i+=1){var l=a[i],u=l.layerIds.map(function(e){return r.getLayer(e)}).filter(Boolean);if(0!==u.length)for(var n=u[0].createBucket(util.extend({layers:u},l)),o=0,f=u;o<f.length;o+=1)t[f[o].id]=n}return t}}},{"../util/util":252}],52:[function(_dereq_,module,exports){"use strict";function addCircleVertex(e,r,t,a,i){e.emplaceBack(2*r+(a+1)/2,2*t+(i+1)/2)}var SegmentVector=_dereq_("../segment").SegmentVector,VertexBuffer=_dereq_("../../gl/vertex_buffer"),IndexBuffer=_dereq_("../../gl/index_buffer"),ProgramConfigurationSet=_dereq_("../program_configuration").ProgramConfigurationSet,createVertexArrayType=_dereq_("../vertex_array_type"),TriangleIndexArray=_dereq_("../index_array_type").TriangleIndexArray,loadGeometry=_dereq_("../load_geometry"),EXTENT=_dereq_("../extent"),circleInterface={layoutAttributes:[{name:"a_pos",components:2,type:"Int16"}],indexArrayType:TriangleIndexArray,paintAttributes:[{property:"circle-color"},{property:"circle-radius"},{property:"circle-blur"},{property:"circle-opacity"},{property:"circle-stroke-color"},{property:"circle-stroke-width"},{property:"circle-stroke-opacity"}]},LayoutVertexArrayType=createVertexArrayType(circleInterface.layoutAttributes),CircleBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.segments=new SegmentVector(e.segments),this.programConfigurations=new ProgramConfigurationSet(this.constructor.programInterface,e.layers,e.zoom,e.programConfigurations)};CircleBucket.prototype.populate=function(e,r){for(var t=this,a=0,i=e;a<i.length;a+=1){var o=i[a],n=o.feature,y=o.index,u=o.sourceLayerIndex;if(t.layers[0]._featureFilter({zoom:t.zoom},n)){var s=loadGeometry(n);t.addFeature(n,s),r.featureIndex.insert(n,s,y,u,t.index)}}},CircleBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},CircleBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get()}},CircleBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e)},CircleBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy())},CircleBucket.prototype.addFeature=function(e,r){for(var t=this,a=0,i=r;a<i.length;a+=1)for(var o=i[a],n=0,y=o;n<y.length;n+=1){var u=y[n],s=u.x,c=u.y;if(!(s<0||s>=EXTENT||c<0||c>=EXTENT)){var l=t.segments.prepareSegment(4,t.layoutVertexArray,t.indexArray),p=l.vertexLength;addCircleVertex(t.layoutVertexArray,s,c,-1,-1),addCircleVertex(t.layoutVertexArray,s,c,1,-1),addCircleVertex(t.layoutVertexArray,s,c,1,1),addCircleVertex(t.layoutVertexArray,s,c,-1,1),t.indexArray.emplaceBack(p,p+1,p+2),t.indexArray.emplaceBack(p,p+3,p+2),l.vertexLength+=4,l.primitiveLength+=2}}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,e)},CircleBucket.programInterface=circleInterface,module.exports=CircleBucket},{"../../gl/index_buffer":71,"../../gl/vertex_buffer":72,"../extent":58,"../index_array_type":60,"../load_geometry":61,"../program_configuration":63,"../segment":65,"../vertex_array_type":66}],53:[function(_dereq_,module,exports){"use strict";var SegmentVector=_dereq_("../segment").SegmentVector,VertexBuffer=_dereq_("../../gl/vertex_buffer"),IndexBuffer=_dereq_("../../gl/index_buffer"),ProgramConfigurationSet=_dereq_("../program_configuration").ProgramConfigurationSet,createVertexArrayType=_dereq_("../vertex_array_type"),ref$2=_dereq_("../index_array_type"),LineIndexArray=ref$2.LineIndexArray,TriangleIndexArray=ref$2.TriangleIndexArray,loadGeometry=_dereq_("../load_geometry"),earcut=_dereq_("earcut"),classifyRings=_dereq_("../../util/classify_rings"),fillInterface={layoutAttributes:[{name:"a_pos",components:2,type:"Int16"}],indexArrayType:TriangleIndexArray,indexArrayType2:LineIndexArray,paintAttributes:[{property:"fill-color"},{property:"fill-outline-color"},{property:"fill-opacity"}]},LayoutVertexArrayType=createVertexArrayType(fillInterface.layoutAttributes),FillBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.indexArray2=new LineIndexArray(e.indexArray2),this.programConfigurations=new ProgramConfigurationSet(fillInterface,e.layers,e.zoom,e.programConfigurations),this.segments=new SegmentVector(e.segments),this.segments2=new SegmentVector(e.segments2)};FillBucket.prototype.populate=function(e,r){for(var t=this,i=0,a=e;i<a.length;i+=1){var n=a[i],o=n.feature,s=n.index,y=n.sourceLayerIndex;if(t.layers[0]._featureFilter({zoom:t.zoom},o)){var l=loadGeometry(o);t.addFeature(o,l),r.featureIndex.insert(o,l,s,y,t.index)}}},FillBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},FillBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),indexArray2:this.indexArray2.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get(),segments2:this.segments2.get()}},FillBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.indexBuffer2=new IndexBuffer(e,this.indexArray2),this.programConfigurations.upload(e)},FillBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.indexBuffer2.destroy(),this.programConfigurations.destroy(),this.segments.destroy(),this.segments2.destroy())},FillBucket.prototype.addFeature=function(e,r){for(var t=this,i=0,a=classifyRings(r,500);i<a.length;i+=1){for(var n=a[i],o=0,s=0,y=n;s<y.length;s+=1)o+=y[s].length;for(var l=t.segments.prepareSegment(o,t.layoutVertexArray,t.indexArray),u=l.vertexLength,f=[],g=[],x=0,p=n;x<p.length;x+=1){var h=p[x];if(0!==h.length){h!==n[0]&&g.push(f.length/2);var d=t.segments2.prepareSegment(h.length,t.layoutVertexArray,t.indexArray2),c=d.vertexLength;t.layoutVertexArray.emplaceBack(h[0].x,h[0].y),t.indexArray2.emplaceBack(c+h.length-1,c),f.push(h[0].x),f.push(h[0].y);for(var m=1;m<h.length;m++)t.layoutVertexArray.emplaceBack(h[m].x,h[m].y),t.indexArray2.emplaceBack(c+m-1,c+m),f.push(h[m].x),f.push(h[m].y);d.vertexLength+=h.length,d.primitiveLength+=h.length}}for(var A=earcut(f,g),B=0;B<A.length;B+=3)t.indexArray.emplaceBack(u+A[B],u+A[B+1],u+A[B+2]);l.vertexLength+=o,l.primitiveLength+=A.length/3}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,e)},FillBucket.programInterface=fillInterface,module.exports=FillBucket},{"../../gl/index_buffer":71,"../../gl/vertex_buffer":72,"../../util/classify_rings":234,"../index_array_type":60,"../load_geometry":61,"../program_configuration":63,"../segment":65,"../vertex_array_type":66,earcut:12}],54:[function(_dereq_,module,exports){"use strict";function addVertex(e,r,t,a,i,n,o,u){e.emplaceBack(r,t,2*Math.floor(a*FACTOR)+o,i*FACTOR*2,n*FACTOR*2,Math.round(u))}var ref=_dereq_("../segment"),SegmentVector=ref.SegmentVector,MAX_VERTEX_ARRAY_LENGTH=ref.MAX_VERTEX_ARRAY_LENGTH,VertexBuffer=_dereq_("../../gl/vertex_buffer"),IndexBuffer=_dereq_("../../gl/index_buffer"),ProgramConfigurationSet=_dereq_("../program_configuration").ProgramConfigurationSet,createVertexArrayType=_dereq_("../vertex_array_type"),TriangleIndexArray=_dereq_("../index_array_type").TriangleIndexArray,loadGeometry=_dereq_("../load_geometry"),EXTENT=_dereq_("../extent"),earcut=_dereq_("earcut"),classifyRings=_dereq_("../../util/classify_rings"),fillExtrusionInterface={layoutAttributes:[{name:"a_pos",components:2,type:"Int16"},{name:"a_normal",components:3,type:"Int16"},{name:"a_edgedistance",components:1,type:"Int16"}],indexArrayType:TriangleIndexArray,paintAttributes:[{property:"fill-extrusion-base"},{property:"fill-extrusion-height"},{property:"fill-extrusion-color"}]},FACTOR=Math.pow(2,13),LayoutVertexArrayType=createVertexArrayType(fillExtrusionInterface.layoutAttributes),FillExtrusionBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.programConfigurations=new ProgramConfigurationSet(fillExtrusionInterface,e.layers,e.zoom,e.programConfigurations),this.segments=new SegmentVector(e.segments)};FillExtrusionBucket.prototype.populate=function(e,r){for(var t=this,a=0,i=e;a<i.length;a+=1){var n=i[a],o=n.feature,u=n.index,s=n.sourceLayerIndex;if(t.layers[0]._featureFilter({zoom:t.zoom},o)){var y=loadGeometry(o);t.addFeature(o,y),r.featureIndex.insert(o,y,u,s,t.index)}}},FillExtrusionBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},FillExtrusionBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get()}},FillExtrusionBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e)},FillExtrusionBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy())},FillExtrusionBucket.prototype.addFeature=function(e,r){for(var t=this,a=0,i=classifyRings(r,500);a<i.length;a+=1){for(var n=i[a],o=0,u=0,s=n;u<s.length;u+=1)o+=s[u].length;for(var y=t.segments.prepareSegment(4,t.layoutVertexArray,t.indexArray),l=0,x=n;l<x.length;l+=1){var f=x[l];if(0!==f.length)for(var g=0,p=0;p<f.length;p++){var d=f[p];if(p>=1){var h=f[p-1];if(!function(e,r){return e.x===r.x&&(e.x<0||e.x>EXTENT)||e.y===r.y&&(e.y<0||e.y>EXTENT)}(d,h)){y.vertexLength+4>MAX_VERTEX_ARRAY_LENGTH&&(y=t.segments.prepareSegment(4,t.layoutVertexArray,t.indexArray));var A=d.sub(h)._perp()._unit();addVertex(t.layoutVertexArray,d.x,d.y,A.x,A.y,0,0,g),addVertex(t.layoutVertexArray,d.x,d.y,A.x,A.y,0,1,g),g+=h.dist(d),addVertex(t.layoutVertexArray,h.x,h.y,A.x,A.y,0,0,g),addVertex(t.layoutVertexArray,h.x,h.y,A.x,A.y,0,1,g);var c=y.vertexLength;t.indexArray.emplaceBack(c,c+1,c+2),t.indexArray.emplaceBack(c+1,c+2,c+3),y.vertexLength+=4,y.primitiveLength+=2}}}}y.vertexLength+o>MAX_VERTEX_ARRAY_LENGTH&&(y=t.segments.prepareSegment(o,t.layoutVertexArray,t.indexArray));for(var m=[],V=[],E=y.vertexLength,_=0,v=n;_<v.length;_+=1){var T=v[_];if(0!==T.length){T!==n[0]&&V.push(m.length/2);for(var B=0;B<T.length;B++){var R=T[B];addVertex(t.layoutVertexArray,R.x,R.y,0,0,1,1,0),m.push(R.x),m.push(R.y)}}}for(var I=earcut(m,V),C=0;C<I.length;C+=3)t.indexArray.emplaceBack(E+I[C],E+I[C+1],E+I[C+2]);y.primitiveLength+=I.length/3,y.vertexLength+=o}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,e)},FillExtrusionBucket.programInterface=fillExtrusionInterface,module.exports=FillExtrusionBucket},{"../../gl/index_buffer":71,"../../gl/vertex_buffer":72,"../../util/classify_rings":234,"../extent":58,"../index_array_type":60,"../load_geometry":61,"../program_configuration":63,"../segment":65,"../vertex_array_type":66,earcut:12}],55:[function(_dereq_,module,exports){"use strict";var CircleBucket=_dereq_("./circle_bucket"),heatmapInterface={layoutAttributes:CircleBucket.programInterface.layoutAttributes,indexArrayType:CircleBucket.programInterface.indexArrayType,paintAttributes:[{property:"heatmap-weight"}]},HeatmapBucket=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(CircleBucket);HeatmapBucket.programInterface=heatmapInterface,module.exports=HeatmapBucket},{"./circle_bucket":52}],56:[function(_dereq_,module,exports){"use strict";function addLineVertex(e,t,r,i,a,n,s){e.emplaceBack(t.x,t.y,i?1:0,a?1:-1,Math.round(EXTRUDE_SCALE*r.x)+128,Math.round(EXTRUDE_SCALE*r.y)+128,1+(0===n?0:n<0?-1:1)|(s*LINE_DISTANCE_SCALE&63)<<2,s*LINE_DISTANCE_SCALE>>6)}var SegmentVector=_dereq_("../segment").SegmentVector,VertexBuffer=_dereq_("../../gl/vertex_buffer"),IndexBuffer=_dereq_("../../gl/index_buffer"),ProgramConfigurationSet=_dereq_("../program_configuration").ProgramConfigurationSet,createVertexArrayType=_dereq_("../vertex_array_type"),TriangleIndexArray=_dereq_("../index_array_type").TriangleIndexArray,loadGeometry=_dereq_("../load_geometry"),EXTENT=_dereq_("../extent"),vectorTileFeatureTypes=_dereq_("@mapbox/vector-tile").VectorTileFeature.types,EXTRUDE_SCALE=63,COS_HALF_SHARP_CORNER=Math.cos(Math.PI/180*37.5),LINE_DISTANCE_SCALE=.5,MAX_LINE_DISTANCE=Math.pow(2,14)/LINE_DISTANCE_SCALE,lineInterface={layoutAttributes:[{name:"a_pos_normal",components:4,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}],paintAttributes:[{property:"line-color"},{property:"line-blur"},{property:"line-opacity"},{property:"line-gap-width",name:"gapwidth"},{property:"line-offset"},{property:"line-width"},{property:"line-width",name:"floorwidth",useIntegerZoom:!0}],indexArrayType:TriangleIndexArray},LayoutVertexArrayType=createVertexArrayType(lineInterface.layoutAttributes),LineBucket=function(e){this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.layoutVertexArray=new LayoutVertexArrayType(e.layoutVertexArray),this.indexArray=new TriangleIndexArray(e.indexArray),this.programConfigurations=new ProgramConfigurationSet(lineInterface,e.layers,e.zoom,e.programConfigurations),this.segments=new SegmentVector(e.segments)};LineBucket.prototype.populate=function(e,t){for(var r=this,i=0,a=e;i<a.length;i+=1){var n=a[i],s=n.feature,o=n.index,u=n.sourceLayerIndex;if(r.layers[0]._featureFilter({zoom:r.zoom},s)){var d=loadGeometry(s);r.addFeature(s,d),t.featureIndex.insert(s,d,o,u,r.index)}}},LineBucket.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},LineBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get()}},LineBucket.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e)},LineBucket.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy())},LineBucket.prototype.addFeature=function(e,t){for(var i=this.layers[0].layout,a=this.layers[0].getLayoutValue("line-join",{zoom:this.zoom},e),n=i["line-cap"],s=i["line-miter-limit"],o=i["line-round-limit"],u=0,d=t;u<d.length;u+=1){var l=d[u];this.addLine(l,e,a,n,s,o)}},LineBucket.prototype.addLine=function(e,t,r,i,a,n){for(var s=this,o="Polygon"===vectorTileFeatureTypes[t.type],u=e.length;u>=2&&e[u-1].equals(e[u-2]);)u--;for(var d=0;d<u-1&&e[d].equals(e[d+1]);)d++;if(!(u<(o?3:2))){"bevel"===r&&(a=1.05);var l=EXTENT/(512*this.overscaling)*15,y=e[d],h=this.segments.prepareSegment(10*u,this.layoutVertexArray,this.indexArray);this.distance=0;var p,c,f,x=i,m=o?"butt":i,g=!0,_=void 0,A=void 0,v=void 0,V=void 0;this.e1=this.e2=this.e3=-1,o&&(p=e[u-2],V=y.sub(p)._unit()._perp());for(var C=d;C<u;C++)if(!(A=o&&C===u-1?e[d+1]:e[C+1])||!e[C].equals(A)){V&&(v=V),p&&(_=p),p=e[C],V=A?A.sub(p)._unit()._perp():v;var L=(v=v||V).add(V);0===L.x&&0===L.y||L._unit();var E=L.x*V.x+L.y*V.y,S=0!==E?1/E:1/0,I=E<COS_HALF_SHARP_CORNER&&_&&A;if(I&&C>d){var T=p.dist(_);if(T>2*l){var B=p.sub(p.sub(_)._mult(l/T)._round());s.distance+=B.dist(_),s.addCurrentVertex(B,s.distance,v.mult(1),0,0,!1,h),_=B}}var b=_&&A,N=b?r:A?x:m;if(b&&"round"===N&&(S<n?N="miter":S<=2&&(N="fakeround")),"miter"===N&&S>a&&(N="bevel"),"bevel"===N&&(S>2&&(N="flipbevel"),S<a&&(N="miter")),_&&(s.distance+=p.dist(_)),"miter"===N)L._mult(S),s.addCurrentVertex(p,s.distance,L,0,0,!1,h);else if("flipbevel"===N){if(S>100)L=V.clone().mult(-1);else{var k=v.x*V.y-v.y*V.x>0?-1:1,R=S*v.add(V).mag()/v.sub(V).mag();L._perp()._mult(R*k)}s.addCurrentVertex(p,s.distance,L,0,0,!1,h),s.addCurrentVertex(p,s.distance,L.mult(-1),0,0,!1,h)}else if("bevel"===N||"fakeround"===N){var F=v.x*V.y-v.y*V.x>0,q=-Math.sqrt(S*S-1);if(F?(f=0,c=q):(c=0,f=q),g||s.addCurrentVertex(p,s.distance,v,c,f,!1,h),"fakeround"===N){for(var P=Math.floor(8*(.5-(E-.5))),z=void 0,w=0;w<P;w++)z=V.mult((w+1)/(P+1))._add(v)._unit(),s.addPieSliceVertex(p,s.distance,z,F,h);s.addPieSliceVertex(p,s.distance,L,F,h);for(var D=P-1;D>=0;D--)z=v.mult((D+1)/(P+1))._add(V)._unit(),s.addPieSliceVertex(p,s.distance,z,F,h)}A&&s.addCurrentVertex(p,s.distance,V,-c,-f,!1,h)}else"butt"===N?(g||s.addCurrentVertex(p,s.distance,v,0,0,!1,h),A&&s.addCurrentVertex(p,s.distance,V,0,0,!1,h)):"square"===N?(g||(s.addCurrentVertex(p,s.distance,v,1,1,!1,h),s.e1=s.e2=-1),A&&s.addCurrentVertex(p,s.distance,V,-1,-1,!1,h)):"round"===N&&(g||(s.addCurrentVertex(p,s.distance,v,0,0,!1,h),s.addCurrentVertex(p,s.distance,v,1,1,!0,h),s.e1=s.e2=-1),A&&(s.addCurrentVertex(p,s.distance,V,-1,-1,!0,h),s.addCurrentVertex(p,s.distance,V,0,0,!1,h)));if(I&&C<u-1){var M=p.dist(A);if(M>2*l){var O=p.add(A.sub(p)._mult(l/M)._round());s.distance+=O.dist(p),s.addCurrentVertex(O,s.distance,V.mult(1),0,0,!1,h),p=O}}g=!1}this.programConfigurations.populatePaintArrays(this.layoutVertexArray.length,t)}},LineBucket.prototype.addCurrentVertex=function(e,t,r,i,a,n,s){var o,u=this.layoutVertexArray,d=this.indexArray;o=r.clone(),i&&o._sub(r.perp()._mult(i)),addLineVertex(u,e,o,n,!1,i,t),this.e3=s.vertexLength++,this.e1>=0&&this.e2>=0&&(d.emplaceBack(this.e1,this.e2,this.e3),s.primitiveLength++),this.e1=this.e2,this.e2=this.e3,o=r.mult(-1),a&&o._sub(r.perp()._mult(a)),addLineVertex(u,e,o,n,!0,-a,t),this.e3=s.vertexLength++,this.e1>=0&&this.e2>=0&&(d.emplaceBack(this.e1,this.e2,this.e3),s.primitiveLength++),this.e1=this.e2,this.e2=this.e3,t>MAX_LINE_DISTANCE/2&&(this.distance=0,this.addCurrentVertex(e,this.distance,r,i,a,n,s))},LineBucket.prototype.addPieSliceVertex=function(e,t,r,i,a){r=r.mult(i?-1:1);var n=this.layoutVertexArray,s=this.indexArray;addLineVertex(n,e,r,!1,i,0,t),this.e3=a.vertexLength++,this.e1>=0&&this.e2>=0&&(s.emplaceBack(this.e1,this.e2,this.e3),a.primitiveLength++),i?this.e2=this.e3:this.e1=this.e3},LineBucket.programInterface=lineInterface,module.exports=LineBucket},{"../../gl/index_buffer":71,"../../gl/vertex_buffer":72,"../extent":58,"../index_array_type":60,"../load_geometry":61,"../program_configuration":63,"../segment":65,"../vertex_array_type":66,"@mapbox/vector-tile":6}],57:[function(_dereq_,module,exports){"use strict";function addVertex(e,t,o,r,a,i,n,l){e.emplaceBack(t,o,Math.round(64*r),Math.round(64*a),i,n,l?l[0]:void 0,l?l[1]:void 0)}function addDynamicAttributes(e,t,o,r){var a=2*Math.PI,i=packUint8ToFloat((o+a)%a/a*255,10*r);e.emplaceBack(t.x,t.y,i),e.emplaceBack(t.x,t.y,i),e.emplaceBack(t.x,t.y,i),e.emplaceBack(t.x,t.y,i)}function addCollisionBoxVertex(e,t,o,r,a,i){return e.emplaceBack(t.x,t.y,o.x,o.y,Math.round(r.x),Math.round(r.y),10*a,10*i)}function getSizeVertexData(e,t,o,r,a){if("source"===o.functionType)return[10*e.getLayoutValue(r,{},a)];if("composite"===o.functionType){var i=o.coveringZoomRange;return[10*e.getLayoutValue(r,{zoom:i[0]},a),10*e.getLayoutValue(r,{zoom:i[1]},a)]}return null}var Point=_dereq_("@mapbox/point-geometry"),SegmentVector=_dereq_("../segment").SegmentVector,VertexBuffer=_dereq_("../../gl/vertex_buffer"),IndexBuffer=_dereq_("../../gl/index_buffer"),ProgramConfigurationSet=_dereq_("../program_configuration").ProgramConfigurationSet,createVertexArrayType=_dereq_("../vertex_array_type"),ref$2=_dereq_("../index_array_type"),TriangleIndexArray=ref$2.TriangleIndexArray,LineIndexArray=ref$2.LineIndexArray,EXTENT=_dereq_("../extent"),packUint8ToFloat=_dereq_("../../shaders/encode_attribute").packUint8ToFloat,Anchor=_dereq_("../../symbol/anchor"),getAnchors=_dereq_("../../symbol/get_anchors"),resolveTokens=_dereq_("../../util/token"),ref$4=_dereq_("../../symbol/quads"),getGlyphQuads=ref$4.getGlyphQuads,getIconQuads=ref$4.getIconQuads,ref$5=_dereq_("../../symbol/shaping"),shapeText=ref$5.shapeText,shapeIcon=ref$5.shapeIcon,WritingMode=ref$5.WritingMode,transformText=_dereq_("../../symbol/transform_text"),mergeLines=_dereq_("../../symbol/mergelines"),clipLine=_dereq_("../../symbol/clip_line"),util=_dereq_("../../util/util"),scriptDetection=_dereq_("../../util/script_detection"),loadGeometry=_dereq_("../load_geometry"),CollisionFeature=_dereq_("../../symbol/collision_feature"),findPoleOfInaccessibility=_dereq_("../../util/find_pole_of_inaccessibility"),classifyRings=_dereq_("../../util/classify_rings"),vectorTileFeatureTypes=_dereq_("@mapbox/vector-tile").VectorTileFeature.types,createStructArrayType=_dereq_("../../util/struct_array"),verticalizePunctuation=_dereq_("../../util/verticalize_punctuation"),getSizeData=_dereq_("../../symbol/symbol_size").getSizeData,PlacedSymbolArray=createStructArrayType({members:[{type:"Int16",name:"anchorX"},{type:"Int16",name:"anchorY"},{type:"Uint16",name:"glyphStartIndex"},{type:"Uint16",name:"numGlyphs"},{type:"Uint32",name:"lineStartIndex"},{type:"Uint32",name:"lineLength"},{type:"Uint16",name:"segment"},{type:"Uint16",name:"lowerSize"},{type:"Uint16",name:"upperSize"},{type:"Float32",name:"lineOffsetX"},{type:"Float32",name:"lineOffsetY"},{type:"Float32",name:"placementZoom"},{type:"Uint8",name:"vertical"}]}),GlyphOffsetArray=createStructArrayType({members:[{type:"Float32",name:"offsetX"}]}),LineVertexArray=createStructArrayType({members:[{type:"Int16",name:"x"},{type:"Int16",name:"y"}]}),layoutAttributes=[{name:"a_pos_offset",components:4,type:"Int16"},{name:"a_data",components:4,type:"Uint16"}],dynamicLayoutAttributes=[{name:"a_projected_pos",components:3,type:"Float32"}],symbolInterfaces={text:{layoutAttributes:layoutAttributes,dynamicLayoutAttributes:dynamicLayoutAttributes,indexArrayType:TriangleIndexArray,paintAttributes:[{property:"text-color",name:"fill_color"},{property:"text-halo-color",name:"halo_color"},{property:"text-halo-width",name:"halo_width"},{property:"text-halo-blur",name:"halo_blur"},{property:"text-opacity",name:"opacity"}]},icon:{layoutAttributes:layoutAttributes,dynamicLayoutAttributes:dynamicLayoutAttributes,indexArrayType:TriangleIndexArray,paintAttributes:[{property:"icon-color",name:"fill_color"},{property:"icon-halo-color",name:"halo_color"},{property:"icon-halo-width",name:"halo_width"},{property:"icon-halo-blur",name:"halo_blur"},{property:"icon-opacity",name:"opacity"}]},collisionBox:{layoutAttributes:[{name:"a_pos",components:2,type:"Int16"},{name:"a_anchor_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}],indexArrayType:LineIndexArray}},SymbolBuffers=function(e,t,o,r){this.programInterface=e;var a=createVertexArrayType(e.layoutAttributes),i=e.indexArrayType;if(this.layoutVertexArray=new a(r&&r.layoutVertexArray),this.indexArray=new i(r&&r.indexArray),this.programConfigurations=new ProgramConfigurationSet(e,t,o,r&&r.programConfigurations),this.segments=new SegmentVector(r&&r.segments),e.dynamicLayoutAttributes){var n=createVertexArrayType(e.dynamicLayoutAttributes);this.dynamicLayoutVertexArray=new n(r&&r.dynamicLayoutVertexArray)}};SymbolBuffers.prototype.serialize=function(e){return{layoutVertexArray:this.layoutVertexArray.serialize(e),indexArray:this.indexArray.serialize(e),programConfigurations:this.programConfigurations.serialize(e),segments:this.segments.get(),dynamicLayoutVertexArray:this.dynamicLayoutVertexArray&&this.dynamicLayoutVertexArray.serialize(e)}},SymbolBuffers.prototype.upload=function(e){this.layoutVertexBuffer=new VertexBuffer(e,this.layoutVertexArray),this.indexBuffer=new IndexBuffer(e,this.indexArray),this.programConfigurations.upload(e),this.programInterface.dynamicLayoutAttributes&&(this.dynamicLayoutVertexBuffer=new VertexBuffer(e,this.dynamicLayoutVertexArray,!0))},SymbolBuffers.prototype.destroy=function(){this.layoutVertexBuffer&&(this.layoutVertexBuffer.destroy(),this.indexBuffer.destroy(),this.programConfigurations.destroy(),this.segments.destroy(),this.dynamicLayoutVertexBuffer&&this.dynamicLayoutVertexBuffer.destroy())};var SymbolBucket=function(e){if(this.collisionBoxArray=e.collisionBoxArray,this.zoom=e.zoom,this.overscaling=e.overscaling,this.layers=e.layers,this.index=e.index,this.sdfIcons=e.sdfIcons,this.iconsNeedLinear=e.iconsNeedLinear,this.pixelRatio=e.pixelRatio,e.text)this.text=new SymbolBuffers(symbolInterfaces.text,e.layers,e.zoom,e.text),this.icon=new SymbolBuffers(symbolInterfaces.icon,e.layers,e.zoom,e.icon),this.collisionBox=new SymbolBuffers(symbolInterfaces.collisionBox,e.layers,e.zoom,e.collisionBox),this.textSizeData=e.textSizeData,this.iconSizeData=e.iconSizeData,this.placedGlyphArray=new PlacedSymbolArray(e.placedGlyphArray),this.placedIconArray=new PlacedSymbolArray(e.placedIconArray),this.glyphOffsetArray=new GlyphOffsetArray(e.glyphOffsetArray),this.lineVertexArray=new LineVertexArray(e.lineVertexArray);else{var t=this.layers[0];this.textSizeData=getSizeData(this.zoom,t,"text-size"),this.iconSizeData=getSizeData(this.zoom,t,"icon-size")}};SymbolBucket.prototype.populate=function(e,t){var r=this.layers[0],a=r.layout,i=a["text-font"],n=(!r.isLayoutValueFeatureConstant("text-field")||a["text-field"])&&i,l=!r.isLayoutValueFeatureConstant("icon-image")||a["icon-image"];if(this.features=[],n||l){for(var s=t.iconDependencies,y=t.glyphDependencies,c=y[i]=y[i]||{},u={zoom:this.zoom},x=0,m=e;x<m.length;x+=1){var p=m[x],h=p.feature,d=p.index,f=p.sourceLayerIndex;if(r._featureFilter(u,h)){var g=void 0;n&&(g=r.getLayoutValue("text-field",u,h),r.isLayoutValueFeatureConstant("text-field")&&(g=resolveTokens(h.properties,g)),g=transformText(g,r,u,h));var b=void 0;if(l&&(b=r.getLayoutValue("icon-image",u,h),r.isLayoutValueFeatureConstant("icon-image")&&(b=resolveTokens(h.properties,b))),g||b){var A={text:g,icon:b,index:d,sourceLayerIndex:f,geometry:loadGeometry(h),properties:h.properties,type:vectorTileFeatureTypes[h.type]};if(void 0!==h.id&&(A.id=h.id),this.features.push(A),b&&(s[b]=!0),g)for(var v="map"===a["text-rotation-alignment"]&&"line"===a["symbol-placement"],I=scriptDetection.allowsVerticalWritingMode(g),S=0;S<g.length;S++)if(c[g.charCodeAt(S)]=!0,v&&I){var B=verticalizePunctuation.lookup[g.charAt(S)];B&&(c[B.charCodeAt(0)]=!0)}}}}"line"===a["symbol-placement"]&&(this.features=mergeLines(this.features))}},SymbolBucket.prototype.isEmpty=function(){return 0===this.icon.layoutVertexArray.length&&0===this.text.layoutVertexArray.length&&0===this.collisionBox.layoutVertexArray.length},SymbolBucket.prototype.serialize=function(e){return{zoom:this.zoom,layerIds:this.layers.map(function(e){return e.id}),sdfIcons:this.sdfIcons,iconsNeedLinear:this.iconsNeedLinear,textSizeData:this.textSizeData,iconSizeData:this.iconSizeData,placedGlyphArray:this.placedGlyphArray.serialize(e),placedIconArray:this.placedIconArray.serialize(e),glyphOffsetArray:this.glyphOffsetArray.serialize(e),lineVertexArray:this.lineVertexArray.serialize(e),text:this.text.serialize(e),icon:this.icon.serialize(e),collisionBox:this.collisionBox.serialize(e)}},SymbolBucket.prototype.upload=function(e){this.text.upload(e),this.icon.upload(e),this.collisionBox.upload(e)},SymbolBucket.prototype.destroy=function(){this.text.destroy(),this.icon.destroy(),this.collisionBox.destroy()},SymbolBucket.prototype.prepare=function(e,t,o,r){var a=this;this.symbolInstances=[];var i=512*this.overscaling;this.tilePixelRatio=EXTENT/i,this.compareText={},this.iconsNeedLinear=!1;for(var n=this.layers[0].layout,l=24*n["text-line-height"],s=n["text-font"].join(","),y="map"===n["text-rotation-alignment"]&&"line"===n["symbol-placement"],c=e[s]||{},u=t[s]||{},x=0,m=a.features;x<m.length;x+=1){var p=m[x],h={},d=p.text;if(d){var f=a.layers[0].getLayoutValue("text-offset",{zoom:a.zoom},p).map(function(e){return 24*e}),g=24*a.layers[0].getLayoutValue("text-letter-spacing",{zoom:a.zoom},p),b=scriptDetection.allowsLetterSpacing(d)?g:0,A=a.layers[0].getLayoutValue("text-anchor",{zoom:a.zoom},p),v=a.layers[0].getLayoutValue("text-justify",{zoom:a.zoom},p),I="line"!==n["symbol-placement"]?24*a.layers[0].getLayoutValue("text-max-width",{zoom:a.zoom},p):0,S=function(e,t){return shapeText(e,c,I,l,A,v,b,f,24,t)};h[WritingMode.horizontal]=S(d,WritingMode.horizontal),scriptDetection.allowsVerticalWritingMode(d)&&y&&(h[WritingMode.vertical]=S(d,WritingMode.vertical))}var B=void 0;if(p.icon){var z=o[p.icon];z&&(B=shapeIcon(r[p.icon],a.layers[0].getLayoutValue("icon-offset",{zoom:a.zoom},p),a.layers[0].getLayoutValue("icon-anchor",{zoom:a.zoom},p)),void 0===a.sdfIcons?a.sdfIcons=z.sdf:a.sdfIcons!==z.sdf&&util.warnOnce("Style sheet warning: Cannot mix SDF and non-SDF icons in one buffer"),z.pixelRatio!==a.pixelRatio?a.iconsNeedLinear=!0:0===n["icon-rotate"]&&a.layers[0].isLayoutValueFeatureConstant("icon-rotate")||(a.iconsNeedLinear=!0))}(h[WritingMode.horizontal]||B)&&a.addFeature(p,h,B,u)}},SymbolBucket.prototype.addFeature=function(e,t,o,r){var a=this,i=this.layers[0].getLayoutValue("text-size",{zoom:this.zoom+1},e),n=this.layers[0].getLayoutValue("icon-size",{zoom:this.zoom+1},e),l=this.layers[0].getLayoutValue("text-offset",{zoom:this.zoom},e),s=this.layers[0].getLayoutValue("icon-offset",{zoom:this.zoom},e),y=this.layers[0].getLayoutValue("text-size",{zoom:18},e);void 0===y&&(y=i);var c=this.layers[0].layout,u=i/24,x=this.tilePixelRatio*u,m=this.tilePixelRatio*y/24,p=this.tilePixelRatio*n,h=this.tilePixelRatio*c["symbol-spacing"],d=c["symbol-avoid-edges"],f=c["text-padding"]*this.tilePixelRatio,g=c["icon-padding"]*this.tilePixelRatio,b=c["text-max-angle"]/180*Math.PI,A="map"===c["text-rotation-alignment"]&&"line"===c["symbol-placement"],v="map"===c["icon-rotation-alignment"]&&"line"===c["symbol-placement"],I=c["text-allow-overlap"]||c["icon-allow-overlap"]||c["text-ignore-placement"]||c["icon-ignore-placement"],B=h/2,z=function(i,n){var y=!(n.x<0||n.x>EXTENT||n.y<0||n.y>EXTENT);if(!d||y){var c=y||I;a.addSymbolInstance(n,i,t,o,a.layers[0],c,a.collisionBoxArray,e.index,e.sourceLayerIndex,a.index,x,f,A,l,p,g,v,s,{zoom:a.zoom},e,r)}};if("line"===c["symbol-placement"])for(var V=0,L=clipLine(e.geometry,0,0,EXTENT,EXTENT);V<L.length;V+=1)for(var T=L[V],w=getAnchors(T,h,b,t[WritingMode.vertical]||t[WritingMode.horizontal],o,24,m,a.overscaling,EXTENT),M=0,_=w;M<_.length;M+=1){var k=_[M],C=t[WritingMode.horizontal];C&&a.anchorIsTooClose(C.text,B,k)||z(T,k)}else if("Polygon"===e.type)for(var P=0,D=classifyRings(e.geometry,0);P<D.length;P+=1){var E=D[P],F=findPoleOfInaccessibility(E,16);z(E[0],new Anchor(F.x,F.y,0))}else if("LineString"===e.type)for(var q=0,O=e.geometry;q<O.length;q+=1){var N=O[q];z(N,new Anchor(N[0].x,N[0].y,0))}else if("Point"===e.type)for(var W=0,$=e.geometry;W<$.length;W+=1)for(var G=$[W],R=0,U=G;R<U.length;R+=1){var X=U[R];z([X],new Anchor(X.x,X.y,0))}},SymbolBucket.prototype.anchorIsTooClose=function(e,t,o){var r=this.compareText;if(e in r){for(var a=r[e],i=a.length-1;i>=0;i--)if(o.dist(a[i])<t)return!0}else r[e]=[];return r[e].push(o),!1},SymbolBucket.prototype.place=function(e,t){var o=this;this.text=new SymbolBuffers(symbolInterfaces.text,this.layers,this.zoom),this.icon=new SymbolBuffers(symbolInterfaces.icon,this.layers,this.zoom),this.collisionBox=new SymbolBuffers(symbolInterfaces.collisionBox,this.layers,this.zoom),this.placedGlyphArray=new PlacedSymbolArray,this.placedIconArray=new PlacedSymbolArray,this.glyphOffsetArray=new GlyphOffsetArray,this.lineVertexArray=new LineVertexArray;var r=this.layers[0],a=r.layout,i=e.maxScale,n="map"===a["text-rotation-alignment"]&&"line"===a["symbol-placement"],l="map"===a["icon-rotation-alignment"]&&"line"===a["symbol-placement"];if(a["text-allow-overlap"]||a["icon-allow-overlap"]||a["text-ignore-placement"]||a["icon-ignore-placement"]){var s=e.angle,y=Math.sin(s),c=Math.cos(s);this.symbolInstances.sort(function(e,t){return(y*e.anchor.x+c*e.anchor.y|0)-(y*t.anchor.x+c*t.anchor.y|0)||t.featureIndex-e.featureIndex})}for(var u=0,x=o.symbolInstances;u<x.length;u+=1){var m=x[u],p={boxStartIndex:m.textBoxStartIndex,boxEndIndex:m.textBoxEndIndex},h={boxStartIndex:m.iconBoxStartIndex,boxEndIndex:m.iconBoxEndIndex},d=!(m.textBoxStartIndex===m.textBoxEndIndex),f=!(m.iconBoxStartIndex===m.iconBoxEndIndex),g=a["text-optional"]||!d,b=a["icon-optional"]||!f,A=d?e.placeCollisionFeature(p,a["text-allow-overlap"],a["symbol-avoid-edges"]):e.minScale,v=f?e.placeCollisionFeature(h,a["icon-allow-overlap"],a["symbol-avoid-edges"]):e.minScale;if(g||b?!b&&A?A=Math.max(v,A):!g&&v&&(v=Math.max(v,A)):v=A=Math.max(v,A),d||f){for(var I=m.line,S=o.lineVertexArray.length,B=0;B<I.length;B++)o.lineVertexArray.emplaceBack(I[B].x,I[B].y);var z=o.lineVertexArray.length-S;if(d&&(e.insertCollisionFeature(p,A,a["text-ignore-placement"]),A<=i)){var V=getSizeVertexData(r,o.zoom,o.textSizeData,"text-size",m.feature);o.addSymbols(o.text,m.glyphQuads,A,V,a["text-keep-upright"],m.textOffset,n,e.angle,m.feature,m.writingModes,m.anchor,S,z,o.placedGlyphArray)}if(f&&(e.insertCollisionFeature(h,v,a["icon-ignore-placement"]),v<=i)){var L=getSizeVertexData(r,o.zoom,o.iconSizeData,"icon-size",m.feature);o.addSymbols(o.icon,m.iconQuads,v,L,a["icon-keep-upright"],m.iconOffset,l,e.angle,m.feature,0,m.anchor,S,z,o.placedIconArray)}}}t&&this.addToDebugBuffers(e)},SymbolBucket.prototype.addSymbols=function(e,t,o,r,a,i,n,l,s,y,c,u,x,m){for(var h=e.indexArray,d=e.layoutVertexArray,f=e.dynamicLayoutVertexArray,g=this.zoom,b=Math.max(Math.log(o)/Math.LN2+g,0),A=this.glyphOffsetArray.length,v=(c.angle+l+2*Math.PI)%(2*Math.PI),I=v>1*Math.PI/4&&v<=3*Math.PI/4||v>5*Math.PI/4&&v<=7*Math.PI/4,S=Boolean(y&WritingMode.vertical)&&I,B=0,z=t;B<z.length;B+=1){var V=z[B];if(!n||!a||V.writingMode===WritingMode.vertical===S){var L=V.tl,T=V.tr,w=V.bl,M=V.br,_=V.tex,k=e.segments.prepareSegment(4,e.layoutVertexArray,e.indexArray),C=k.vertexLength,P=V.glyphOffset[1];addVertex(d,c.x,c.y,L.x,P+L.y,_.x,_.y,r),addVertex(d,c.x,c.y,T.x,P+T.y,_.x+_.w,_.y,r),addVertex(d,c.x,c.y,w.x,P+w.y,_.x,_.y+_.h,r),addVertex(d,c.x,c.y,M.x,P+M.y,_.x+_.w,_.y+_.h,r),addDynamicAttributes(f,c,0,b),h.emplaceBack(C,C+1,C+2),h.emplaceBack(C+1,C+2,C+3),k.vertexLength+=4,k.primitiveLength+=2,this.glyphOffsetArray.emplaceBack(V.glyphOffset[0])}}m.emplaceBack(c.x,c.y,A,this.glyphOffsetArray.length-A,u,x,c.segment,r?r[0]:0,r?r[1]:0,i[0],i[1],b,S),e.programConfigurations.populatePaintArrays(e.layoutVertexArray.length,s)},SymbolBucket.prototype.addToDebugBuffers=function(e){for(var t=this,o=this.collisionBox,r=o.layoutVertexArray,a=o.indexArray,i=-e.angle,n=e.yStretch,l=0,s=t.symbolInstances;l<s.length;l+=1){var y=s[l];y.textCollisionFeature={boxStartIndex:y.textBoxStartIndex,boxEndIndex:y.textBoxEndIndex},y.iconCollisionFeature={boxStartIndex:y.iconBoxStartIndex,boxEndIndex:y.iconBoxEndIndex};for(var c=0;c<2;c++){var u=y[0===c?"textCollisionFeature":"iconCollisionFeature"];if(u)for(var x=u.boxStartIndex;x<u.boxEndIndex;x++){var m=t.collisionBoxArray.get(x);if(!(1===e.perspectiveRatio&&m.maxScale<1)){var p=m.anchorPoint,h=new Point(m.x1,m.y1*n)._rotate(i),d=new Point(m.x2,m.y1*n)._rotate(i),f=new Point(m.x1,m.y2*n)._rotate(i),g=new Point(m.x2,m.y2*n)._rotate(i),b=Math.max(0,Math.min(25,t.zoom+Math.log(m.maxScale)/Math.LN2)),A=Math.max(0,Math.min(25,t.zoom+Math.log(m.placementScale)/Math.LN2)),v=o.segments.prepareSegment(4,o.layoutVertexArray,o.indexArray),I=v.vertexLength;addCollisionBoxVertex(r,p,y.anchor,h,b,A),addCollisionBoxVertex(r,p,y.anchor,d,b,A),addCollisionBoxVertex(r,p,y.anchor,g,b,A),addCollisionBoxVertex(r,p,y.anchor,f,b,A),a.emplaceBack(I,I+1),a.emplaceBack(I+1,I+2),a.emplaceBack(I+2,I+3),a.emplaceBack(I+3,I),v.vertexLength+=4,v.primitiveLength+=4}}}}},SymbolBucket.prototype.addSymbolInstance=function(e,t,o,r,a,i,n,l,s,y,c,u,x,m,p,h,d,f,g,b,A){var v,I,S=[],B=[];for(var z in o){var V=parseInt(z,10);o[V]&&(B=B.concat(i?getGlyphQuads(e,o[V],a,x,g,b,A):[]),v=new CollisionFeature(n,t,e,l,s,y,o[V],c,u,x,!1))}var L=v?v.boxStartIndex:this.collisionBoxArray.length,T=v?v.boxEndIndex:this.collisionBoxArray.length;r&&(S=i?getIconQuads(e,r,a,d,o[WritingMode.horizontal],g,b):[],I=new CollisionFeature(n,t,e,l,s,y,r,p,h,d,!0));var w=I?I.boxStartIndex:this.collisionBoxArray.length,M=I?I.boxEndIndex:this.collisionBoxArray.length;T>SymbolBucket.MAX_INSTANCES&&util.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),M>SymbolBucket.MAX_INSTANCES&&util.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907");var _=(o[WritingMode.vertical]?WritingMode.vertical:0)|(o[WritingMode.horizontal]?WritingMode.horizontal:0);this.symbolInstances.push({textBoxStartIndex:L,textBoxEndIndex:T,iconBoxStartIndex:w,iconBoxEndIndex:M,glyphQuads:B,iconQuads:S,textOffset:m,iconOffset:f,anchor:e,line:t,featureIndex:l,feature:b,writingModes:_})},SymbolBucket.programInterfaces=symbolInterfaces,SymbolBucket.MAX_INSTANCES=65535,SymbolBucket.addDynamicAttributes=addDynamicAttributes,module.exports=SymbolBucket},{"../../gl/index_buffer":71,"../../gl/vertex_buffer":72,"../../shaders/encode_attribute":97,"../../symbol/anchor":196,"../../symbol/clip_line":198,"../../symbol/collision_feature":200,"../../symbol/get_anchors":202,"../../symbol/mergelines":203,"../../symbol/quads":205,"../../symbol/shaping":206,"../../symbol/symbol_size":207,"../../symbol/transform_text":208,"../../util/classify_rings":234,"../../util/find_pole_of_inaccessibility":240,"../../util/script_detection":247,"../../util/struct_array":249,"../../util/token":251,"../../util/util":252,"../../util/verticalize_punctuation":254,"../extent":58,"../index_array_type":60,"../load_geometry":61,"../program_configuration":63,"../segment":65,"../vertex_array_type":66,"@mapbox/point-geometry":2,"@mapbox/vector-tile":6}],58:[function(_dereq_,module,exports){"use strict";module.exports=8192},{}],59:[function(_dereq_,module,exports){"use strict";_dereq_("@mapbox/point-geometry");var loadGeometry=_dereq_("./load_geometry"),EXTENT=_dereq_("./extent"),featureFilter=_dereq_("../style-spec/feature_filter"),createStructArrayType=_dereq_("../util/struct_array"),Grid=_dereq_("grid-index"),DictionaryCoder=_dereq_("../util/dictionary_coder"),vt=_dereq_("@mapbox/vector-tile"),Protobuf=_dereq_("pbf"),GeoJSONFeature=_dereq_("../util/vectortile_to_geojson"),arraysIntersect=_dereq_("../util/util").arraysIntersect,FeatureIndexArray=createStructArrayType({members:[{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"}]}),FeatureIndex=function(e,r,t,a){this.coord=e,this.overscaling=r,this.x=e.x,this.y=e.y,this.z=e.z-Math.log(r)/Math.LN2,this.grid=t||new Grid(EXTENT,16,0),this.featureIndexArray=a||new FeatureIndexArray};FeatureIndex.deserialize=function(e,r,t){var a=new FeatureIndex(e.coord,e.overscaling,new Grid(e.grid),new FeatureIndexArray(e.featureIndexArray));return a.rawTileData=r,a.bucketLayerIDs=e.bucketLayerIDs,a.setCollisionTile(t),a},FeatureIndex.prototype.insert=function(e,r,t,a,i){var n=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(t,a,i);for(var s=0;s<r.length;s++){for(var u=r[s],y=[1/0,1/0,-1/0,-1/0],l=0;l<u.length;l++){var d=u[l];y[0]=Math.min(y[0],d.x),y[1]=Math.min(y[1],d.y),y[2]=Math.max(y[2],d.x),y[3]=Math.max(y[3],d.y)}this.grid.insert(n,y[0],y[1],y[2],y[3])}},FeatureIndex.prototype.setCollisionTile=function(e){this.collisionTile=e},FeatureIndex.prototype.serialize=function(e){var r=this.grid.toArrayBuffer();return e&&e.push(r),{coord:this.coord,overscaling:this.overscaling,grid:r,featureIndexArray:this.featureIndexArray.serialize(e),bucketLayerIDs:this.bucketLayerIDs}},FeatureIndex.prototype.query=function(e,r){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers,this.sourceLayerCoder=new DictionaryCoder(this.vtLayers?Object.keys(this.vtLayers).sort():["_geojsonTileLayer"]));for(var t={},a=e.params||{},i=EXTENT/e.tileSize/e.scale,o=featureFilter(a.filter),n=e.queryGeometry,s=e.additionalRadius*i,u=1/0,y=1/0,l=-1/0,d=-1/0,c=0;c<n.length;c++)for(var h=n[c],f=0;f<h.length;f++){var x=h[f];u=Math.min(u,x.x),y=Math.min(y,x.y),l=Math.max(l,x.x),d=Math.max(d,x.y)}var v=this.grid.query(u-s,y-s,l+s,d+s);v.sort(function(e,r){return r-e}),this.filterMatching(t,v,this.featureIndexArray,n,o,a.layers,r,e.bearing,i);var I=this.collisionTile.queryRenderedSymbols(n,e.scale);return I.sort(),this.filterMatching(t,I,this.collisionTile.collisionBoxArray,n,o,a.layers,r,e.bearing,i),t},FeatureIndex.prototype.filterMatching=function(e,r,t,a,i,o,n,s,u){for(var y,l=this,d=0;d<r.length;d++){var c=r[d];if(c!==y){y=c;var h=t.get(c),f=l.bucketLayerIDs[h.bucketIndex];if(!o||arraysIntersect(o,f)){var x=l.sourceLayerCoder.decode(h.sourceLayerIndex),I=l.vtLayers[x].feature(h.featureIndex);if(i({zoom:l.coord.z},I))for(var p=null,g=0;g<f.length;g++){var m=f[g];if(!(o&&o.indexOf(m)<0)){var F=n[m];if(F&&("symbol"===F.type||(p||(p=loadGeometry(I)),F.queryIntersectsFeature(a,I,p,l.z,s,u)))){var b=new GeoJSONFeature(I,l.z,l.x,l.y);b.layer=F.serialize();var L=e[m];void 0===L&&(L=e[m]=[]),L.push({featureIndex:c,feature:b})}}}}}}},FeatureIndex.prototype.hasLayer=function(e){for(var t=0,a=this.bucketLayerIDs;t<a.length;t+=1)for(var i=a[t],o=0,n=i;o<n.length;o+=1)if(e===n[o])return!0;return!1},module.exports=FeatureIndex},{"../style-spec/feature_filter":144,"../util/dictionary_coder":236,"../util/struct_array":249,"../util/util":252,"../util/vectortile_to_geojson":253,"./extent":58,"./load_geometry":61,"@mapbox/point-geometry":2,"@mapbox/vector-tile":6,"grid-index":23,pbf:38}],60:[function(_dereq_,module,exports){"use strict";function createIndexArrayType(e){return createStructArrayType({members:[{type:"Uint16",name:"vertices",components:e}]})}var createStructArrayType=_dereq_("../util/struct_array");module.exports={LineIndexArray:createIndexArrayType(2),TriangleIndexArray:createIndexArrayType(3)}},{"../util/struct_array":249}],61:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),EXTENT=_dereq_("./extent"),bounds={min:-1*Math.pow(2,15),max:Math.pow(2,15)-1};module.exports=function(e){for(var t=EXTENT/e.extent,r=e.loadGeometry(),n=0;n<r.length;n++)for(var u=r[n],o=0;o<u.length;o++){var a=u[o];a.x=Math.round(a.x*t),a.y=Math.round(a.y*t),(a.x<bounds.min||a.x>bounds.max||a.y<bounds.min||a.y>bounds.max)&&util.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return r}},{"../util/util":252,"./extent":58}],62:[function(_dereq_,module,exports){"use strict";var PosArray=_dereq_("../util/struct_array")({members:[{name:"a_pos",type:"Int16",components:2}]});module.exports=PosArray},{"../util/struct_array":249}],63:[function(_dereq_,module,exports){"use strict";function packColor(r){return[packUint8ToFloat(255*r[0],255*r[1]),packUint8ToFloat(255*r[2],255*r[3])]}var createVertexArrayType=_dereq_("./vertex_array_type"),packUint8ToFloat=_dereq_("../shaders/encode_attribute").packUint8ToFloat,VertexBuffer=_dereq_("../gl/vertex_buffer"),ConstantBinder=function(r,t,o,e){this.name=r,this.type=t,this.property=o,this.useIntegerZoom=e};ConstantBinder.prototype.defines=function(){return["#define HAS_UNIFORM_u_"+this.name]},ConstantBinder.prototype.populatePaintArray=function(){},ConstantBinder.prototype.setUniforms=function(r,t,o,e){var n=e.zoom,i=o.getPaintValue(this.property,{zoom:this.useIntegerZoom?Math.floor(n):n});"color"===this.type?r.uniform4fv(t.uniforms["u_"+this.name],i):r.uniform1f(t.uniforms["u_"+this.name],i)};var SourceFunctionBinder=function(r,t,o){this.name=r,this.type=t,this.property=o};SourceFunctionBinder.prototype.defines=function(){return[]},SourceFunctionBinder.prototype.populatePaintArray=function(r,t,o,e,n,i){var a=this,s=r.getPaintValue(this.property,{zoom:0},i);if("color"===this.type)for(var p=packColor(s),u=e;u<n;u++){var f=t.get(u);f["a_"+a.name+"0"]=p[0],f["a_"+a.name+"1"]=p[1]}else{for(var c=e;c<n;c++)t.get(c)["a_"+a.name]=s;var m=o[this.property];m.max=Math.max(m.max,s)}},SourceFunctionBinder.prototype.setUniforms=function(r,t){r.uniform1f(t.uniforms["a_"+this.name+"_t"],0)};var CompositeFunctionBinder=function(r,t,o,e,n){this.name=r,this.type=t,this.property=o,this.useIntegerZoom=e,this.zoom=n};CompositeFunctionBinder.prototype.defines=function(){return[]},CompositeFunctionBinder.prototype.populatePaintArray=function(r,t,o,e,n,i){var a=this,s=r.getPaintValue(this.property,{zoom:this.zoom},i),p=r.getPaintValue(this.property,{zoom:this.zoom+1},i);if("color"===this.type)for(var u=packColor(s),f=packColor(p),c=e;c<n;c++){var m=t.get(c);m["a_"+a.name+"0"]=u[0],m["a_"+a.name+"1"]=u[1],m["a_"+a.name+"2"]=f[0],m["a_"+a.name+"3"]=f[1]}else{for(var y=e;y<n;y++){var g=t.get(y);g["a_"+a.name+"0"]=s,g["a_"+a.name+"1"]=p}var h=o[this.property];h.max=Math.max(h.max,s,p)}},CompositeFunctionBinder.prototype.setUniforms=function(r,t,o,e){var n=e.zoom,i=o.getPaintInterpolationFactor(this.property,this.useIntegerZoom?Math.floor(n):n,this.zoom,this.zoom+1);r.uniform1f(t.uniforms["a_"+this.name+"_t"],i)};var ProgramConfiguration=function(){this.binders={},this.cacheKey=""};ProgramConfiguration.createDynamic=function(r,t,o){for(var e=new ProgramConfiguration,n=[],i=0,a=r.paintAttributes||[];i<a.length;i+=1){var s=a[i],p=s.property,u=s.useIntegerZoom||!1,f=s.name||p.replace(t.type+"-","").replace(/-/g,"_"),c=t._paintSpecifications[p].type;t.isPaintValueFeatureConstant(p)?(e.binders[f]=new ConstantBinder(f,c,p,u),e.cacheKey+="/u_"+f):t.isPaintValueZoomConstant(p)?(e.binders[f]=new SourceFunctionBinder(f,c,p),e.cacheKey+="/a_"+f,n.push({name:"a_"+f,type:"Float32",components:"color"===c?2:1})):(e.binders[f]=new CompositeFunctionBinder(f,c,p,u,o),e.cacheKey+="/z_"+f,n.push({name:"a_"+f,type:"Float32",components:"color"===c?4:2}))}return e.PaintVertexArray=createVertexArrayType(n),e.interface=r,e.layer=t,e},ProgramConfiguration.createBasicFill=function(){var r=new ProgramConfiguration;return r.binders.color=new ConstantBinder("color","color","fill-color",!1),r.cacheKey+="/u_color",r.binders.opacity=new ConstantBinder("opacity","number","fill-opacity",!1),r.cacheKey+="/u_opacity",r},ProgramConfiguration.prototype.createPaintPropertyStatistics=function(){var t={};for(var o in this.binders)t[this.binders[o].property]={max:-1/0};return t},ProgramConfiguration.prototype.populatePaintArray=function(r,t){var o=this,e=this.paintVertexArray;if(0!==e.bytesPerElement){var n=e.length;e.resize(r);for(var i in o.binders)o.binders[i].populatePaintArray(o.layer,e,o.paintPropertyStatistics,n,r,t)}},ProgramConfiguration.prototype.defines=function(){var t=[];for(var o in this.binders)t.push.apply(t,this.binders[o].defines());return t},ProgramConfiguration.prototype.setUniforms=function(r,t,o,e){for(var i in this.binders)this.binders[i].setUniforms(r,t,o,e)},ProgramConfiguration.prototype.serialize=function(r){return 0===this.paintVertexArray.length?null:{array:this.paintVertexArray.serialize(r),type:this.paintVertexArray.constructor.serialize(),statistics:this.paintPropertyStatistics}},ProgramConfiguration.deserialize=function(r,t,o,e){var n=ProgramConfiguration.createDynamic(r,t,o);return e&&(n.PaintVertexArray=createVertexArrayType(e.type.members),n.paintVertexArray=new n.PaintVertexArray(e.array),n.paintPropertyStatistics=e.statistics),n},ProgramConfiguration.prototype.upload=function(r){this.paintVertexArray&&(this.paintVertexBuffer=new VertexBuffer(r,this.paintVertexArray))},ProgramConfiguration.prototype.destroy=function(){this.paintVertexBuffer&&this.paintVertexBuffer.destroy()};var ProgramConfigurationSet=function(r,t,o,e){if(this.programConfigurations={},e)for(var i=0,a=t;i<a.length;i+=1){var s=a[i];this.programConfigurations[s.id]=ProgramConfiguration.deserialize(r,s,o,e[s.id])}else for(var p=0,u=t;p<u.length;p+=1){var f=u[p],c=ProgramConfiguration.createDynamic(r,f,o);c.paintVertexArray=new c.PaintVertexArray,c.paintPropertyStatistics=c.createPaintPropertyStatistics(),this.programConfigurations[f.id]=c}};ProgramConfigurationSet.prototype.populatePaintArrays=function(r,t){for(var e in this.programConfigurations)this.programConfigurations[e].populatePaintArray(r,t)},ProgramConfigurationSet.prototype.serialize=function(r){var o={};for(var e in this.programConfigurations){var n=this.programConfigurations[e].serialize(r);n&&(o[e]=n)}return o},ProgramConfigurationSet.prototype.get=function(r){return this.programConfigurations[r]},ProgramConfigurationSet.prototype.upload=function(r){for(var o in this.programConfigurations)this.programConfigurations[o].upload(r)},ProgramConfigurationSet.prototype.destroy=function(){for(var t in this.programConfigurations)this.programConfigurations[t].destroy()},module.exports={ProgramConfiguration:ProgramConfiguration,ProgramConfigurationSet:ProgramConfigurationSet}},{"../gl/vertex_buffer":72,"../shaders/encode_attribute":97,"./vertex_array_type":66}],64:[function(_dereq_,module,exports){"use strict";var RasterBoundsArray=_dereq_("../util/struct_array")({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]});module.exports=RasterBoundsArray},{"../util/struct_array":249}],65:[function(_dereq_,module,exports){"use strict";var warnOnce=_dereq_("../util/util").warnOnce,MAX_VERTEX_ARRAY_LENGTH=Math.pow(2,16)-1,SegmentVector=function(e){void 0===e&&(e=[]),this.segments=e};SegmentVector.prototype.prepareSegment=function(e,t,r){var n=this.segments[this.segments.length-1];return e>MAX_VERTEX_ARRAY_LENGTH&&warnOnce("Max vertices per segment is "+MAX_VERTEX_ARRAY_LENGTH+": bucket requested "+e),(!n||n.vertexLength+e>module.exports.MAX_VERTEX_ARRAY_LENGTH)&&(n={vertexOffset:t.length,primitiveOffset:r.length,vertexLength:0,primitiveLength:0},this.segments.push(n)),n},SegmentVector.prototype.get=function(){return this.segments},SegmentVector.prototype.destroy=function(){for(var t=0,r=this.segments;t<r.length;t+=1){var n=r[t];for(var s in n.vaos)n.vaos[s].destroy()}},module.exports={SegmentVector:SegmentVector,MAX_VERTEX_ARRAY_LENGTH:MAX_VERTEX_ARRAY_LENGTH}},{"../util/util":252}],66:[function(_dereq_,module,exports){"use strict";var createStructArrayType=_dereq_("../util/struct_array");module.exports=function(r){return createStructArrayType({members:r,alignment:4})}},{"../util/struct_array":249}],67:[function(_dereq_,module,exports){"use strict";var Coordinate=function(o,t,n){this.column=o,this.row=t,this.zoom=n};Coordinate.prototype.clone=function(){return new Coordinate(this.column,this.row,this.zoom)},Coordinate.prototype.zoomTo=function(o){return this.clone()._zoomTo(o)},Coordinate.prototype.sub=function(o){return this.clone()._sub(o)},Coordinate.prototype._zoomTo=function(o){var t=Math.pow(2,o-this.zoom);return this.column*=t,this.row*=t,this.zoom=o,this},Coordinate.prototype._sub=function(o){return o=o.zoomTo(this.zoom),this.column-=o.column,this.row-=o.row,this},module.exports=Coordinate},{}],68:[function(_dereq_,module,exports){"use strict";var wrap=_dereq_("../util/util").wrap,LngLat=function(t,n){if(isNaN(t)||isNaN(n))throw new Error("Invalid LngLat object: ("+t+", "+n+")");if(this.lng=+t,this.lat=+n,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")};LngLat.prototype.wrap=function(){return new LngLat(wrap(this.lng,-180,180),this.lat)},LngLat.prototype.toArray=function(){return[this.lng,this.lat]},LngLat.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},LngLat.prototype.toBounds=function(t){var n=360*t/40075017,r=n/Math.cos(Math.PI/180*this.lat);return new(_dereq_("./lng_lat_bounds"))(new LngLat(this.lng-r,this.lat-n),new LngLat(this.lng+r,this.lat+n))},LngLat.convert=function(t){if(t instanceof LngLat)return t;if(Array.isArray(t)&&2===t.length)return new LngLat(Number(t[0]),Number(t[1]));if(!Array.isArray(t)&&"object"==typeof t&&null!==t)return new LngLat(Number(t.lng),Number(t.lat));throw new Error("`LngLatLike` argument must be specified as a LngLat instance, an object {lng: <lng>, lat: <lat>}, or an array of [<lng>, <lat>]")},module.exports=LngLat},{"../util/util":252,"./lng_lat_bounds":69}],69:[function(_dereq_,module,exports){"use strict";var LngLat=_dereq_("./lng_lat"),LngLatBounds=function(t,n){t&&(n?this.setSouthWest(t).setNorthEast(n):4===t.length?this.setSouthWest([t[0],t[1]]).setNorthEast([t[2],t[3]]):this.setSouthWest(t[0]).setNorthEast(t[1]))};LngLatBounds.prototype.setNorthEast=function(t){return this._ne=t instanceof LngLat?new LngLat(t.lng,t.lat):LngLat.convert(t),this},LngLatBounds.prototype.setSouthWest=function(t){return this._sw=t instanceof LngLat?new LngLat(t.lng,t.lat):LngLat.convert(t),this},LngLatBounds.prototype.extend=function(t){var n,e,s=this._sw,o=this._ne;if(t instanceof LngLat)n=t,e=t;else{if(!(t instanceof LngLatBounds))return Array.isArray(t)?t.every(Array.isArray)?this.extend(LngLatBounds.convert(t)):this.extend(LngLat.convert(t)):this;if(n=t._sw,e=t._ne,!n||!e)return this}return s||o?(s.lng=Math.min(n.lng,s.lng),s.lat=Math.min(n.lat,s.lat),o.lng=Math.max(e.lng,o.lng),o.lat=Math.max(e.lat,o.lat)):(this._sw=new LngLat(n.lng,n.lat),this._ne=new LngLat(e.lng,e.lat)),this},LngLatBounds.prototype.getCenter=function(){return new LngLat((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},LngLatBounds.prototype.getSouthWest=function(){return this._sw},LngLatBounds.prototype.getNorthEast=function(){return this._ne},LngLatBounds.prototype.getNorthWest=function(){return new LngLat(this.getWest(),this.getNorth())},LngLatBounds.prototype.getSouthEast=function(){return new LngLat(this.getEast(),this.getSouth())},LngLatBounds.prototype.getWest=function(){return this._sw.lng},LngLatBounds.prototype.getSouth=function(){return this._sw.lat},LngLatBounds.prototype.getEast=function(){return this._ne.lng},LngLatBounds.prototype.getNorth=function(){return this._ne.lat},LngLatBounds.prototype.toArray=function(){return[this._sw.toArray(),this._ne.toArray()]},LngLatBounds.prototype.toString=function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"},LngLatBounds.convert=function(t){return!t||t instanceof LngLatBounds?t:new LngLatBounds(t)},module.exports=LngLatBounds},{"./lng_lat":68}],70:[function(_dereq_,module,exports){"use strict";var LngLat=_dereq_("./lng_lat"),Point=_dereq_("@mapbox/point-geometry"),Coordinate=_dereq_("./coordinate"),util=_dereq_("../util/util"),interp=_dereq_("../style-spec/util/interpolate"),TileCoord=_dereq_("../source/tile_coord"),EXTENT=_dereq_("../data/extent"),glmatrix=_dereq_("@mapbox/gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2,Transform=function(t,o,i){this.tileSize=512,this._renderWorldCopies=void 0===i||i,this._minZoom=t||0,this._maxZoom=o||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new LngLat(0,0),this.zoom=0,this.angle=0,this._fov=.6435011087932844,this._pitch=0,this._unmodified=!0},prototypeAccessors={minZoom:{},maxZoom:{},renderWorldCopies:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},fov:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};prototypeAccessors.minZoom.get=function(){return this._minZoom},prototypeAccessors.minZoom.set=function(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},prototypeAccessors.maxZoom.get=function(){return this._maxZoom},prototypeAccessors.maxZoom.set=function(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},prototypeAccessors.renderWorldCopies.get=function(){return this._renderWorldCopies},prototypeAccessors.worldSize.get=function(){return this.tileSize*this.scale},prototypeAccessors.centerPoint.get=function(){return this.size._div(2)},prototypeAccessors.size.get=function(){return new Point(this.width,this.height)},prototypeAccessors.bearing.get=function(){return-this.angle/Math.PI*180},prototypeAccessors.bearing.set=function(t){var o=-util.wrap(t,-180,180)*Math.PI/180;this.angle!==o&&(this._unmodified=!1,this.angle=o,this._calcMatrices(),this.rotationMatrix=mat2.create(),mat2.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},prototypeAccessors.pitch.get=function(){return this._pitch/Math.PI*180},prototypeAccessors.pitch.set=function(t){var o=util.clamp(t,0,60)/180*Math.PI;this._pitch!==o&&(this._unmodified=!1,this._pitch=o,this._calcMatrices())},prototypeAccessors.fov.get=function(){return this._fov/Math.PI*180},prototypeAccessors.fov.set=function(t){t=Math.max(.01,Math.min(60,t)),this._fov!==t&&(this._unmodified=!1,this._fov=t/180*Math.PI,this._calcMatrices())},prototypeAccessors.zoom.get=function(){return this._zoom},prototypeAccessors.zoom.set=function(t){var o=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==o&&(this._unmodified=!1,this._zoom=o,this.scale=this.zoomScale(o),this.tileZoom=Math.floor(o),this.zoomFraction=o-this.tileZoom,this._constrain(),this._calcMatrices())},prototypeAccessors.center.get=function(){return this._center},prototypeAccessors.center.set=function(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._constrain(),this._calcMatrices())},Transform.prototype.coveringZoomLevel=function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},Transform.prototype.getVisibleWrappedCoordinates=function(t){for(var o=this.pointCoordinate(new Point(0,0),0),i=this.pointCoordinate(new Point(this.width,0),0),e=Math.floor(o.column),r=Math.floor(i.column),n=[t],s=e;s<=r;s++)0!==s&&n.push(new TileCoord(t.z,t.x,t.y,s));return n},Transform.prototype.coveringTiles=function(t){var o=this.coveringZoomLevel(t),i=o;if(void 0!==t.minzoom&&o<t.minzoom)return[];void 0!==t.maxzoom&&o>t.maxzoom&&(o=t.maxzoom);var e=this.pointCoordinate(this.centerPoint,o),r=new Point(e.column-.5,e.row-.5),n=[this.pointCoordinate(new Point(0,0),o),this.pointCoordinate(new Point(this.width,0),o),this.pointCoordinate(new Point(this.width,this.height),o),this.pointCoordinate(new Point(0,this.height),o)];return TileCoord.cover(o,n,t.reparseOverscaled?i:o,this._renderWorldCopies).sort(function(t,o){return r.dist(t)-r.dist(o)})},Transform.prototype.resize=function(t,o){this.width=t,this.height=o,this.pixelsToGLUnits=[2/t,-2/o],this._constrain(),this._calcMatrices()},prototypeAccessors.unmodified.get=function(){return this._unmodified},Transform.prototype.zoomScale=function(t){return Math.pow(2,t)},Transform.prototype.scaleZoom=function(t){return Math.log(t)/Math.LN2},Transform.prototype.project=function(t){return new Point(this.lngX(t.lng),this.latY(t.lat))},Transform.prototype.unproject=function(t){return new LngLat(this.xLng(t.x),this.yLat(t.y))},prototypeAccessors.x.get=function(){return this.lngX(this.center.lng)},prototypeAccessors.y.get=function(){return this.latY(this.center.lat)},prototypeAccessors.point.get=function(){return new Point(this.x,this.y)},Transform.prototype.lngX=function(t){return(180+t)*this.worldSize/360},Transform.prototype.latY=function(t){return(180-180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360)))*this.worldSize/360},Transform.prototype.xLng=function(t){return 360*t/this.worldSize-180},Transform.prototype.yLat=function(t){var o=180-360*t/this.worldSize;return 360/Math.PI*Math.atan(Math.exp(o*Math.PI/180))-90},Transform.prototype.setLocationAtPoint=function(t,o){var i=this.pointCoordinate(o)._sub(this.pointCoordinate(this.centerPoint));this.center=this.coordinateLocation(this.locationCoordinate(t)._sub(i)),this._renderWorldCopies&&(this.center=this.center.wrap())},Transform.prototype.locationPoint=function(t){return this.coordinatePoint(this.locationCoordinate(t))},Transform.prototype.pointLocation=function(t){return this.coordinateLocation(this.pointCoordinate(t))},Transform.prototype.locationCoordinate=function(t){return new Coordinate(this.lngX(t.lng)/this.tileSize,this.latY(t.lat)/this.tileSize,this.zoom).zoomTo(this.tileZoom)},Transform.prototype.coordinateLocation=function(t){var o=t.zoomTo(this.zoom);return new LngLat(this.xLng(o.column*this.tileSize),this.yLat(o.row*this.tileSize))},Transform.prototype.pointCoordinate=function(t,o){void 0===o&&(o=this.tileZoom);var i=[t.x,t.y,0,1],e=[t.x,t.y,1,1];vec4.transformMat4(i,i,this.pixelMatrixInverse),vec4.transformMat4(e,e,this.pixelMatrixInverse);var r=i[3],n=e[3],h=i[1]/r,c=e[1]/n,m=i[2]/r,p=e[2]/n,l=m===p?0:(0-m)/(p-m);return new Coordinate(interp(i[0]/r,e[0]/n,l)/this.tileSize,interp(h,c,l)/this.tileSize,this.zoom)._zoomTo(o)},Transform.prototype.coordinatePoint=function(t){var o=t.zoomTo(this.zoom),i=[o.column*this.tileSize,o.row*this.tileSize,0,1];return vec4.transformMat4(i,i,this.pixelMatrix),new Point(i[0]/i[3],i[1]/i[3])},Transform.prototype.calculatePosMatrix=function(t,o){var i=t.toCoordinate(o),e=this.worldSize/this.zoomScale(i.zoom),r=mat4.identity(new Float64Array(16));return mat4.translate(r,r,[i.column*e,i.row*e,0]),mat4.scale(r,r,[e/EXTENT,e/EXTENT,1]),mat4.multiply(r,this.projMatrix,r),new Float32Array(r)},Transform.prototype.cameraToTileDistance=function(t){var o=this.calculatePosMatrix(t.coord,t.sourceMaxZoom),i=[t.tileSize/2,t.tileSize/2,0,1];return vec4.transformMat4(i,i,o),i[3]},Transform.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,o,i,e,r=-90,n=90,s=-180,a=180,h=this.size,c=this._unmodified;if(this.latRange){var m=this.latRange;r=this.latY(m[1]),t=(n=this.latY(m[0]))-r<h.y?h.y/(n-r):0}if(this.lngRange){var p=this.lngRange;s=this.lngX(p[0]),o=(a=this.lngX(p[1]))-s<h.x?h.x/(a-s):0}var l=Math.max(o||0,t||0);if(l)return this.center=this.unproject(new Point(o?(a+s)/2:this.x,t?(n+r)/2:this.y)),this.zoom+=this.scaleZoom(l),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var u=this.y,f=h.y/2;u-f<r&&(e=r+f),u+f>n&&(e=n-f)}if(this.lngRange){var d=this.x,g=h.x/2;d-g<s&&(i=s+g),d+g>a&&(i=a-g)}void 0===i&&void 0===e||(this.center=this.unproject(new Point(void 0!==i?i:this.x,void 0!==e?e:this.y))),this._unmodified=c,this._constraining=!1}},Transform.prototype._calcMatrices=function(){if(this.height){this.cameraToCenterDistance=.5/Math.tan(this._fov/2)*this.height;var t=this._fov/2,o=Math.PI/2+this._pitch,i=Math.sin(t)*this.cameraToCenterDistance/Math.sin(Math.PI-o-t),r=1.01*(Math.cos(Math.PI/2-this._pitch)*i+this.cameraToCenterDistance),n=new Float64Array(16);mat4.perspective(n,this._fov,this.width/this.height,1,r),mat4.scale(n,n,[1,-1,1]),mat4.translate(n,n,[0,0,-this.cameraToCenterDistance]),mat4.rotateX(n,n,this._pitch),mat4.rotateZ(n,n,this.angle),mat4.translate(n,n,[-this.x,-this.y,0]);var s=this.worldSize/(2*Math.PI*6378137*Math.abs(Math.cos(this.center.lat*(Math.PI/180))));if(mat4.scale(n,n,[1,1,s,1]),this.projMatrix=n,n=mat4.create(),mat4.scale(n,n,[this.width/2,-this.height/2,1]),mat4.translate(n,n,[1,-1,0]),this.pixelMatrix=mat4.multiply(new Float64Array(16),n,this.projMatrix),!(n=mat4.invert(new Float64Array(16),this.pixelMatrix)))throw new Error("failed to invert matrix");this.pixelMatrixInverse=n}},Object.defineProperties(Transform.prototype,prototypeAccessors),module.exports=Transform},{"../data/extent":58,"../source/tile_coord":113,"../style-spec/util/interpolate":152,"../util/util":252,"./coordinate":67,"./lng_lat":68,"@mapbox/gl-matrix":1,"@mapbox/point-geometry":2}],71:[function(_dereq_,module,exports){"use strict";var IndexBuffer=function(e,r){this.gl=e,this.buffer=e.createBuffer(),void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension("OES_vertex_array_object")),e.extVertexArrayObject&&e.extVertexArrayObject.bindVertexArrayOES(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,this.buffer),e.bufferData(e.ELEMENT_ARRAY_BUFFER,r.arrayBuffer,e.STATIC_DRAW),delete r.arrayBuffer};IndexBuffer.prototype.bind=function(){this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER,this.buffer)},IndexBuffer.prototype.destroy=function(){this.buffer&&(this.gl.deleteBuffer(this.buffer),delete this.buffer)},module.exports=IndexBuffer},{}],72:[function(_dereq_,module,exports){"use strict";var AttributeType={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT",Int32:"INT",Uint32:"UNSIGNED_INT",Float32:"FLOAT"},VertexBuffer=function(t,e,r){this.length=e.length,this.attributes=e.members,this.itemSize=e.bytesPerElement,this.dynamicDraw=r,this.gl=t,this.buffer=t.createBuffer(),this.gl.bindBuffer(t.ARRAY_BUFFER,this.buffer),this.gl.bufferData(t.ARRAY_BUFFER,e.arrayBuffer,this.dynamicDraw?t.DYNAMIC_DRAW:t.STATIC_DRAW),this.dynamicDraw||delete e.arrayBuffer};VertexBuffer.prototype.bind=function(){this.gl.bindBuffer(this.gl.ARRAY_BUFFER,this.buffer)},VertexBuffer.prototype.updateData=function(t){this.bind(),this.gl.bufferSubData(this.gl.ARRAY_BUFFER,0,t.arrayBuffer)},VertexBuffer.prototype.enableAttributes=function(t,e){for(var i=0;i<this.attributes.length;i++){var f=this.attributes[i],s=e.attributes[f.name];void 0!==s&&t.enableVertexAttribArray(s)}},VertexBuffer.prototype.setVertexAttribPointers=function(t,e,r){for(var i=this,f=0;f<this.attributes.length;f++){var s=i.attributes[f],u=e.attributes[s.name];void 0!==u&&t.vertexAttribPointer(u,s.components,t[AttributeType[s.type]],!1,i.itemSize,s.offset+i.itemSize*(r||0))}},VertexBuffer.prototype.destroy=function(){this.buffer&&(this.gl.deleteBuffer(this.buffer),delete this.buffer)},module.exports=VertexBuffer},{}],73:[function(_dereq_,module,exports){"use strict";var supported=_dereq_("mapbox-gl-supported"),browser=_dereq_("./util/browser"),version=_dereq_("../package.json").version,Map=_dereq_("./ui/map"),NavigationControl=_dereq_("./ui/control/navigation_control"),GeolocateControl=_dereq_("./ui/control/geolocate_control"),AttributionControl=_dereq_("./ui/control/attribution_control"),ScaleControl=_dereq_("./ui/control/scale_control"),FullscreenControl=_dereq_("./ui/control/fullscreen_control"),Popup=_dereq_("./ui/popup"),Marker=_dereq_("./ui/marker"),Style=_dereq_("./style/style"),LngLat=_dereq_("./geo/lng_lat"),LngLatBounds=_dereq_("./geo/lng_lat_bounds"),Point=_dereq_("@mapbox/point-geometry"),Evented=_dereq_("./util/evented"),config=_dereq_("./util/config"),rtlTextPlugin=_dereq_("./source/rtl_text_plugin");module.exports={version:version,supported:supported,workerCount:Math.max(Math.floor(browser.hardwareConcurrency/2),1),setRTLTextPlugin:rtlTextPlugin.setRTLTextPlugin,Map:Map,NavigationControl:NavigationControl,GeolocateControl:GeolocateControl,AttributionControl:AttributionControl,ScaleControl:ScaleControl,FullscreenControl:FullscreenControl,Popup:Popup,Marker:Marker,Style:Style,LngLat:LngLat,LngLatBounds:LngLatBounds,Point:Point,Evented:Evented,config:config,get accessToken(){return config.ACCESS_TOKEN},set accessToken(o){config.ACCESS_TOKEN=o}}},{"../package.json":50,"./geo/lng_lat":68,"./geo/lng_lat_bounds":69,"./source/rtl_text_plugin":108,"./style/style":182,"./ui/control/attribution_control":211,"./ui/control/fullscreen_control":212,"./ui/control/geolocate_control":213,"./ui/control/navigation_control":215,"./ui/control/scale_control":216,"./ui/map":226,"./ui/marker":227,"./ui/popup":228,"./util/browser":231,"./util/config":235,"./util/evented":239,"@mapbox/point-geometry":2,"mapbox-gl-supported":37}],74:[function(_dereq_,module,exports){"use strict";var pattern=_dereq_("./pattern");module.exports=function(r,t,e){if(!e.isOpacityZero(r.transform.zoom)){var i=r.gl,a=r.transform,n=a.tileSize,o=e.paint["background-color"],l=e.paint["background-pattern"],u=e.paint["background-opacity"],f=l||1!==o[3]||1!==u?"translucent":"opaque";if(r.renderPass===f){i.disable(i.STENCIL_TEST),r.setDepthSublayer(0);var s;if(l){if(pattern.isPatternMissing(l,r))return;s=r.useProgram("fillPattern",r.basicFillProgramConfiguration),pattern.prepare(l,r,s),r.tileExtentPatternVAO.bind(i,s,r.tileExtentBuffer)}else s=r.useProgram("fill",r.basicFillProgramConfiguration),i.uniform4fv(s.uniforms.u_color,o),r.tileExtentVAO.bind(i,s,r.tileExtentBuffer);i.uniform1f(s.uniforms.u_opacity,u);for(var p=0,g=a.coveringTiles({tileSize:n});p<g.length;p+=1){var m=g[p];l&&pattern.setTile({coord:m,tileSize:n},r,s),i.uniformMatrix4fv(s.uniforms.u_matrix,!1,r.transform.calculatePosMatrix(m)),i.drawArrays(i.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}}}}},{"./pattern":91}],75:[function(_dereq_,module,exports){"use strict";var pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units");module.exports=function(r,i,e,t){if("translucent"===r.renderPass&&!e.isOpacityZero(r.transform.zoom)){var a=r.gl;r.setDepthSublayer(0),r.depthMask(!1),a.disable(a.STENCIL_TEST);for(var s=0;s<t.length;s++){var n=t[s],o=i.getTile(n),m=o.getBucket(e);if(m){var u=m.programConfigurations.get(e.id),f=r.useProgram("circle",u);if(u.setUniforms(a,f,e,{zoom:r.transform.zoom}),a.uniform1f(f.uniforms.u_camera_to_center_distance,r.transform.cameraToCenterDistance),a.uniform1i(f.uniforms.u_scale_with_map,"map"===e.paint["circle-pitch-scale"]?1:0),"map"===e.paint["circle-pitch-alignment"]){a.uniform1i(f.uniforms.u_pitch_with_map,1);var c=pixelsToTileUnits(o,1,r.transform.zoom);a.uniform2f(f.uniforms.u_extrude_scale,c,c)}else a.uniform1i(f.uniforms.u_pitch_with_map,0),a.uniform2fv(f.uniforms.u_extrude_scale,r.transform.pixelsToGLUnits);a.uniformMatrix4fv(f.uniforms.u_matrix,!1,r.translatePosMatrix(n.posMatrix,o,e.paint["circle-translate"],e.paint["circle-translate-anchor"])),f.draw(a,a.TRIANGLES,e.id,m.layoutVertexBuffer,m.indexBuffer,m.segments,u)}}}}},{"../source/pixels_to_tile_units":105}],76:[function(_dereq_,module,exports){"use strict";module.exports=function(o,i,r,e){var n=o.gl;n.enable(n.STENCIL_TEST);var t=o.useProgram("collisionBox");n.activeTexture(n.TEXTURE1),o.frameHistory.bind(n),n.uniform1i(t.uniforms.u_fadetexture,1);for(var a=0;a<e.length;a++){var f=e[a],u=i.getTile(f),m=u.getBucket(r);if(m){n.uniformMatrix4fv(t.uniforms.u_matrix,!1,f.posMatrix),o.enableTileClippingMask(f),o.lineWidth(1),n.uniform1f(t.uniforms.u_scale,Math.pow(2,o.transform.zoom-u.coord.z)),n.uniform1f(t.uniforms.u_zoom,10*o.transform.zoom);var s=Math.max(0,Math.min(25,u.coord.z+Math.log(u.collisionTile.maxScale)/Math.LN2));n.uniform1f(t.uniforms.u_maxzoom,10*s),n.uniform1f(t.uniforms.u_collision_y_stretch,u.collisionTile.yStretch),n.uniform1f(t.uniforms.u_pitch,o.transform.pitch/360*2*Math.PI),n.uniform1f(t.uniforms.u_camera_to_center_distance,o.transform.cameraToCenterDistance),t.draw(n,n.LINES,r.id,m.collisionBox.layoutVertexBuffer,m.collisionBox.indexBuffer,m.collisionBox.segments)}}}},{}],77:[function(_dereq_,module,exports){"use strict";var browser=_dereq_("../util/browser"),mat4=_dereq_("@mapbox/gl-matrix").mat4,EXTENT=_dereq_("../data/extent"),VertexBuffer=_dereq_("../gl/vertex_buffer"),VertexArrayObject=_dereq_("./vertex_array_object"),PosArray=_dereq_("../data/pos_array");module.exports=function(r,e,t){for(var a=0;a<t.length;a++)!function(r,e,t){var a=r.gl;a.disable(a.STENCIL_TEST),r.lineWidth(1*browser.devicePixelRatio);var i=t.posMatrix,u=r.useProgram("debug");a.uniformMatrix4fv(u.uniforms.u_matrix,!1,i),a.uniform4f(u.uniforms.u_color,1,0,0,1),r.debugVAO.bind(a,u,r.debugBuffer),a.drawArrays(a.LINE_STRIP,0,r.debugBuffer.length);for(var o=function(r,e,t,a){a=a||1;var i,u,o,n,f,l,s,m,x=[];for(i=0,u=r.length;i<u;i++)if(f=simplexFont[r[i]]){for(m=null,o=0,n=f[1].length;o<n;o+=2)-1===f[1][o]&&-1===f[1][o+1]?m=null:(l=e+f[1][o]*a,s=200-f[1][o+1]*a,m&&x.push(m.x,m.y,l,s),m={x:l,y:s});e+=f[0]*a}return x}(t.toString(),50,0,5),n=new PosArray,f=0;f<o.length;f+=2)n.emplaceBack(o[f],o[f+1]);var l=new VertexBuffer(a,n);(new VertexArrayObject).bind(a,u,l),a.uniform4f(u.uniforms.u_color,1,1,1,1);for(var s=e.getTile(t).tileSize,m=EXTENT/(Math.pow(2,r.transform.zoom-t.z)*s),x=[[-1,-1],[-1,1],[1,-1],[1,1]],g=0;g<x.length;g++){var b=x[g];a.uniformMatrix4fv(u.uniforms.u_matrix,!1,mat4.translate([],i,[m*b[0],m*b[1],0])),a.drawArrays(a.LINES,0,l.length)}a.uniform4f(u.uniforms.u_color,0,0,0,1),a.uniformMatrix4fv(u.uniforms.u_matrix,!1,i),a.drawArrays(a.LINES,0,l.length)}(r,e,t[a])};var simplexFont={" 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strict";function drawFillTiles(r,t,e,i,a){if(!pattern.isPatternMissing(e.paint["fill-pattern"],r))for(var l=!0,n=0,o=i;n<o.length;n+=1){var s=o[n],f=t.getTile(s),u=f.getBucket(e);u&&(r.enableTileClippingMask(s),a(r,t,e,f,s,u,l),l=!1)}}function setFillProgram(r,t,e,i,a,l,n,o){var s,f=e.currentProgram;return t?(s=e.useProgram(r+"Pattern",i),(o||s!==f)&&(i.setUniforms(e.gl,s,a,{zoom:e.transform.zoom}),pattern.prepare(a.paint["fill-pattern"],e,s)),pattern.setTile(l,e,s)):(s=e.useProgram(r,i),(o||s!==f)&&i.setUniforms(e.gl,s,a,{zoom:e.transform.zoom})),e.gl.uniformMatrix4fv(s.uniforms.u_matrix,!1,e.translatePosMatrix(n.posMatrix,l,a.paint["fill-translate"],a.paint["fill-translate-anchor"])),s}var pattern=_dereq_("./pattern");module.exports=function(r,t,e,i){if(!e.isOpacityZero(r.transform.zoom)){var a=r.gl;a.enable(a.STENCIL_TEST);var l=!e.paint["fill-pattern"]&&e.isPaintValueFeatureConstant("fill-color")&&e.isPaintValueFeatureConstant("fill-opacity")&&1===e.paint["fill-color"][3]&&1===e.paint["fill-opacity"]?"opaque":"translucent";r.renderPass===l&&(r.setDepthSublayer(1),r.depthMask("opaque"===r.renderPass),drawFillTiles(r,t,e,i,function(r,t,e,i,a,l,n){var o=r.gl,s=l.programConfigurations.get(e.id);setFillProgram("fill",e.paint["fill-pattern"],r,s,e,i,a,n).draw(o,o.TRIANGLES,e.id,l.layoutVertexBuffer,l.indexBuffer,l.segments,s)})),"translucent"===r.renderPass&&e.paint["fill-antialias"]&&(r.lineWidth(2),r.depthMask(!1),r.setDepthSublayer(e.getPaintProperty("fill-outline-color")?2:0),drawFillTiles(r,t,e,i,function(r,t,e,i,a,l,n){var o=r.gl,s=l.programConfigurations.get(e.id),u=setFillProgram("fillOutline",e.paint["fill-pattern"]&&!e.getPaintProperty("fill-outline-color"),r,s,e,i,a,n);o.uniform2f(u.uniforms.u_world,o.drawingBufferWidth,o.drawingBufferHeight),u.draw(o,o.LINES,e.id,l.layoutVertexBuffer,l.indexBuffer2,l.segments2,s)}))}}},{"./pattern":91}],79:[function(_dereq_,module,exports){"use strict";var glMatrix=_dereq_("@mapbox/gl-matrix"),pattern=_dereq_("./pattern"),mat3=glMatrix.mat3,mat4=glMatrix.mat4,vec3=glMatrix.vec3;module.exports=function(r,t,i,e){if(!i.isOpacityZero(r.transform.zoom))if("3d"===r.renderPass){var a=r.gl;a.disable(a.STENCIL_TEST),a.enable(a.DEPTH_TEST),r.clearColor(),r.depthMask(!0);for(var n=0;n<e.length;n++)!function(r,t,i,e){var a=t.getTile(e),n=a.getBucket(i);if(n){var o=r.gl,u=i.paint["fill-extrusion-pattern"],s=n.programConfigurations.get(i.id),f=r.useProgram(u?"fillExtrusionPattern":"fillExtrusion",s);if(s.setUniforms(o,f,i,{zoom:r.transform.zoom}),u){if(pattern.isPatternMissing(u,r))return;pattern.prepare(u,r,f),pattern.setTile(a,r,f),o.uniform1f(f.uniforms.u_height_factor,-Math.pow(2,e.z)/a.tileSize/8)}r.gl.uniformMatrix4fv(f.uniforms.u_matrix,!1,r.translatePosMatrix(e.posMatrix,a,i.paint["fill-extrusion-translate"],i.paint["fill-extrusion-translate-anchor"])),function(r,t){var i=t.gl,e=t.style.light,a=e.calculated.position,n=[a.x,a.y,a.z],o=mat3.create();"viewport"===e.calculated.anchor&&mat3.fromRotation(o,-t.transform.angle),vec3.transformMat3(n,n,o),i.uniform3fv(r.uniforms.u_lightpos,n),i.uniform1f(r.uniforms.u_lightintensity,e.calculated.intensity),i.uniform3fv(r.uniforms.u_lightcolor,e.calculated.color.slice(0,3))}(f,r),f.draw(o,o.TRIANGLES,i.id,n.layoutVertexBuffer,n.indexBuffer,n.segments,s)}}(r,t,i,e[n])}else"translucent"===r.renderPass&&function(r,t){var i=t.viewportFrame;if(i){var e=r.gl,a=r.useProgram("extrusionTexture");e.disable(e.STENCIL_TEST),e.disable(e.DEPTH_TEST),e.activeTexture(e.TEXTURE0),e.bindTexture(e.TEXTURE_2D,i.texture),e.uniform1f(a.uniforms.u_opacity,t.paint["fill-extrusion-opacity"]),e.uniform1i(a.uniforms.u_image,0);var n=mat4.create();mat4.ortho(n,0,r.width,r.height,0,0,1),e.uniformMatrix4fv(a.uniforms.u_matrix,!1,n),e.uniform2f(a.uniforms.u_world,e.drawingBufferWidth,e.drawingBufferHeight),r.viewportVAO.bind(e,a,r.viewportBuffer),e.drawArrays(e.TRIANGLE_STRIP,0,4)}}(r,i)}},{"./pattern":91,"@mapbox/gl-matrix":1}],80:[function(_dereq_,module,exports){"use strict";function bindTextureFramebuffer(e,r,t,a){e.texImage2D(e.TEXTURE_2D,0,e.RGBA,r.width/4,r.height/4,0,e.RGBA,r.extTextureHalfFloat?r.extTextureHalfFloat.HALF_FLOAT_OES:e.UNSIGNED_BYTE,null),e.bindFramebuffer(e.FRAMEBUFFER,a),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t,0),r.extTextureHalfFloat&&e.checkFramebufferStatus(e.FRAMEBUFFER)!==e.FRAMEBUFFER_COMPLETE&&(r.extTextureHalfFloat=null,bindTextureFramebuffer(e,r,t,a))}var mat4=_dereq_("@mapbox/gl-matrix").mat4,Texture=_dereq_("./texture"),pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units");module.exports=function(e,r,t,a){if(!e.isOpaquePass&&!t.isOpacityZero(e.transform.zoom)){var i=e.gl;e.setDepthSublayer(0),e.depthMask(!1),i.disable(i.STENCIL_TEST),function(e,r,t){e.activeTexture(e.TEXTURE1),e.viewport(0,0,r.width/4,r.height/4);var a=t.heatmapTexture,i=t.heatmapFbo;a?(e.bindTexture(e.TEXTURE_2D,a),e.bindFramebuffer(e.FRAMEBUFFER,i)):(a=t.heatmapTexture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,a),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),i=t.heatmapFbo=e.createFramebuffer(),bindTextureFramebuffer(e,r,a,i))}(i,e,t),i.clearColor(0,0,0,0),i.clear(i.COLOR_BUFFER_BIT),i.blendFunc(i.ONE,i.ONE);for(var u=0;u<a.length;u++){var T=a[u];if(!r.hasRenderableParent(T)){var o=r.getTile(T),E=o.getBucket(t);if(E){var m=E.programConfigurations.get(t.id),n=e.useProgram("heatmap",m),x=e.transform.zoom;m.setUniforms(i,n,t,{zoom:x}),i.uniform1f(n.uniforms.u_radius,t.getPaintValue("heatmap-radius",{zoom:x})),i.uniform1f(n.uniforms.u_extrude_scale,pixelsToTileUnits(o,1,x)),i.uniform1f(n.uniforms.u_intensity,t.getPaintValue("heatmap-intensity",{zoom:x})),i.uniformMatrix4fv(n.uniforms.u_matrix,!1,T.posMatrix),n.draw(i,i.TRIANGLES,t.id,E.layoutVertexBuffer,E.indexBuffer,E.segments,m)}}}!function(e,r,t){e.bindFramebuffer(e.FRAMEBUFFER,null),e.activeTexture(e.TEXTURE2);var a=t.colorRampTexture;a||(a=t.colorRampTexture=new Texture(e,t.colorRamp,e.RGBA)),a.bind(e.LINEAR,e.CLAMP_TO_EDGE),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA);var i=r.useProgram("heatmapTexture");e.viewport(0,0,r.width,r.height),e.activeTexture(e.TEXTURE0),e.bindTexture(e.TEXTURE_2D,t.heatmapTexture);var u=t.getPaintValue("heatmap-opacity",{zoom:r.transform.zoom});e.uniform1f(i.uniforms.u_opacity,u),e.uniform1i(i.uniforms.u_image,1),e.uniform1i(i.uniforms.u_color_ramp,2);var T=mat4.create();mat4.ortho(T,0,r.width,r.height,0,0,1),e.uniformMatrix4fv(i.uniforms.u_matrix,!1,T),e.disable(e.DEPTH_TEST),e.uniform2f(i.uniforms.u_world,e.drawingBufferWidth,e.drawingBufferHeight),r.viewportVAO.bind(e,i,r.viewportBuffer),e.drawArrays(e.TRIANGLE_STRIP,0,4),e.enable(e.DEPTH_TEST)}(i,e,t)}}},{"../source/pixels_to_tile_units":105,"./texture":94,"@mapbox/gl-matrix":1}],81:[function(_dereq_,module,exports){"use strict";var browser=_dereq_("../util/browser"),pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units");module.exports=function(i,r,e,t){if("translucent"===i.renderPass&&!e.isOpacityZero(i.transform.zoom)){i.setDepthSublayer(0),i.depthMask(!1);var n=i.gl;if(n.enable(n.STENCIL_TEST),!(e.paint["line-width"]<=0))for(var a,o=e.paint["line-dasharray"]?"lineSDF":e.paint["line-pattern"]?"linePattern":"line",f=!0,s=0,u=t;s<u.length;s+=1){var l=u[s],m=r.getTile(l),_=m.getBucket(e);if(_){var p=_.programConfigurations.get(e.id),g=i.currentProgram,d=i.useProgram(o,p),c=f||d!==g,x=a!==m.coord.z;c&&p.setUniforms(i.gl,d,e,{zoom:i.transform.zoom}),function(i,r,e,t,n,a,o,f,s){var u,l,m,_,p=r.gl,g=n.paint["line-dasharray"],d=n.paint["line-pattern"];if(f||s){var c=1/pixelsToTileUnits(e,1,r.transform.tileZoom);if(g){u=r.lineAtlas.getDash(g.from,"round"===n.layout["line-cap"]),l=r.lineAtlas.getDash(g.to,"round"===n.layout["line-cap"]);var x=u.width*g.fromScale,T=l.width*g.toScale;p.uniform2f(i.uniforms.u_patternscale_a,c/x,-u.height/2),p.uniform2f(i.uniforms.u_patternscale_b,c/T,-l.height/2),p.uniform1f(i.uniforms.u_sdfgamma,r.lineAtlas.width/(256*Math.min(x,T)*browser.devicePixelRatio)/2)}else if(d){if(m=r.imageManager.getPattern(d.from),_=r.imageManager.getPattern(d.to),!m||!_)return;p.uniform2f(i.uniforms.u_pattern_size_a,m.displaySize[0]*d.fromScale/c,_.displaySize[1]),p.uniform2f(i.uniforms.u_pattern_size_b,_.displaySize[0]*d.toScale/c,_.displaySize[1]);var h=r.imageManager.getPixelSize(),v=h.width,b=h.height;p.uniform2fv(i.uniforms.u_texsize,[v,b])}p.uniform2f(i.uniforms.u_gl_units_to_pixels,1/r.transform.pixelsToGLUnits[0],1/r.transform.pixelsToGLUnits[1])}f&&(g?(p.uniform1i(i.uniforms.u_image,0),p.activeTexture(p.TEXTURE0),r.lineAtlas.bind(p),p.uniform1f(i.uniforms.u_tex_y_a,u.y),p.uniform1f(i.uniforms.u_tex_y_b,l.y),p.uniform1f(i.uniforms.u_mix,g.t)):d&&(p.uniform1i(i.uniforms.u_image,0),p.activeTexture(p.TEXTURE0),r.imageManager.bind(p),p.uniform2fv(i.uniforms.u_pattern_tl_a,m.tl),p.uniform2fv(i.uniforms.u_pattern_br_a,m.br),p.uniform2fv(i.uniforms.u_pattern_tl_b,_.tl),p.uniform2fv(i.uniforms.u_pattern_br_b,_.br),p.uniform1f(i.uniforms.u_fade,d.t))),r.enableTileClippingMask(a);var y=r.translatePosMatrix(a.posMatrix,e,n.paint["line-translate"],n.paint["line-translate-anchor"]);p.uniformMatrix4fv(i.uniforms.u_matrix,!1,y),p.uniform1f(i.uniforms.u_ratio,1/pixelsToTileUnits(e,1,r.transform.zoom)),i.draw(p,p.TRIANGLES,n.id,t.layoutVertexBuffer,t.indexBuffer,t.segments,o)}(d,i,m,_,e,l,p,c,x),a=m.coord.z,f=!1}}}}},{"../source/pixels_to_tile_units":105,"../util/browser":231}],82:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),ImageSource=_dereq_("../source/image_source");module.exports=function(r,e,t,a){if("translucent"===r.renderPass&&!t.isOpacityZero(r.transform.zoom)){var i=r.gl,o=e.getSource(),n=r.useProgram("raster");i.disable(i.DEPTH_TEST),r.depthMask(!1),i.disable(i.STENCIL_TEST),i.uniform1f(n.uniforms.u_brightness_low,t.paint["raster-brightness-min"]),i.uniform1f(n.uniforms.u_brightness_high,t.paint["raster-brightness-max"]),i.uniform1f(n.uniforms.u_saturation_factor,function(r){return r>0?1-1/(1.001-r):-r}(t.paint["raster-saturation"])),i.uniform1f(n.uniforms.u_contrast_factor,function(r){return r>0?1/(1-r):1+r}(t.paint["raster-contrast"])),i.uniform3fv(n.uniforms.u_spin_weights,function(r){r*=Math.PI/180;var e=Math.sin(r),t=Math.cos(r);return[(2*t+1)/3,(-Math.sqrt(3)*e-t+1)/3,(Math.sqrt(3)*e-t+1)/3]}(t.paint["raster-hue-rotate"])),i.uniform1f(n.uniforms.u_buffer_scale,1),i.uniform1i(n.uniforms.u_image0,0),i.uniform1i(n.uniforms.u_image1,1);for(var s=a.length&&a[0].z,u=0,f=a;u<f.length;u+=1){var d=f[u];r.setDepthSublayer(d.z-s);var m=e.getTile(d),c=r.transform.calculatePosMatrix(d,e.getSource().maxzoom);m.registerFadeDuration(r.style.animationLoop,t.paint["raster-fade-duration"]),i.uniformMatrix4fv(n.uniforms.u_matrix,!1,c);var _=e.findLoadedParent(d,0,{}),p=function(r,e,t,a,i){var o=a.paint["raster-fade-duration"];if(o>0){var n=Date.now(),s=(n-r.timeAdded)/o,u=e?(n-e.timeAdded)/o:-1,f=t.getSource(),d=i.coveringZoomLevel({tileSize:f.tileSize,roundZoom:f.roundZoom}),m=!e||Math.abs(e.coord.z-d)>Math.abs(r.coord.z-d),c=m&&r.refreshedUponExpiration?1:util.clamp(m?s:1-u,0,1);return r.refreshedUponExpiration&&s>=1&&(r.refreshedUponExpiration=!1),e?{opacity:1,mix:1-c}:{opacity:c,mix:0}}return{opacity:1,mix:0}}(m,_,e,t,r.transform),E=void 0,l=void 0;if(i.activeTexture(i.TEXTURE0),m.texture.bind(i.LINEAR,i.CLAMP_TO_EDGE,i.LINEAR_MIPMAP_NEAREST),i.activeTexture(i.TEXTURE1),_?(_.texture.bind(i.LINEAR,i.CLAMP_TO_EDGE,i.LINEAR_MIPMAP_NEAREST),E=Math.pow(2,_.coord.z-m.coord.z),l=[m.coord.x*E%1,m.coord.y*E%1]):m.texture.bind(i.LINEAR,i.CLAMP_TO_EDGE,i.LINEAR_MIPMAP_NEAREST),i.uniform2fv(n.uniforms.u_tl_parent,l||[0,0]),i.uniform1f(n.uniforms.u_scale_parent,E||1),i.uniform1f(n.uniforms.u_fade_t,p.mix),i.uniform1f(n.uniforms.u_opacity,p.opacity*t.paint["raster-opacity"]),o instanceof ImageSource){var g=o.boundsBuffer;o.boundsVAO.bind(i,n,g),i.drawArrays(i.TRIANGLE_STRIP,0,g.length)}else if(m.maskedBoundsBuffer&&m.maskedIndexBuffer&&m.segments)n.draw(i,i.TRIANGLES,t.id,m.maskedBoundsBuffer,m.maskedIndexBuffer,m.segments);else{var h=r.rasterBoundsBuffer;r.rasterBoundsVAO.bind(i,n,h),i.drawArrays(i.TRIANGLE_STRIP,0,h.length)}}i.depthFunc(i.LEQUAL)}}},{"../source/image_source":103,"../util/util":252}],83:[function(_dereq_,module,exports){"use strict";function drawLayerSymbols(t,o,i,e,a,r,n,s,u,l){var m=t.gl,f=t.transform,c="map"===s,_="map"===u,y=c&&"line"===i.layout["symbol-placement"],p=c&&!_&&!y,x=_;x?m.enable(m.DEPTH_TEST):m.disable(m.DEPTH_TEST);for(var T,b=0,d=e;b<d.length;b+=1){var g=d[b],S=o.getTile(g),h=S.getBucket(i);if(h){var z=a?h.text:h.icon;if(z&&z.segments.get().length){var v=z.programConfigurations.get(i.id),E=a||h.sdfIcons,w=a?h.textSizeData:h.iconSizeData;if(T||(T=t.useProgram(E?"symbolSDF":"symbolIcon",v),v.setUniforms(m,T,i,{zoom:t.transform.zoom}),function(t,o,i,e,a,r,n){var s=o.gl,u=o.transform;s.uniform1i(t.uniforms.u_pitch_with_map,r?1:0),s.uniform1f(t.uniforms.u_is_text,e?1:0),s.activeTexture(s.TEXTURE1),o.frameHistory.bind(s),s.uniform1i(t.uniforms.u_fadetexture,1),s.uniform1f(t.uniforms.u_pitch,u.pitch/360*2*Math.PI);var l="constant"===n.functionType||"source"===n.functionType,m="constant"===n.functionType||"camera"===n.functionType;s.uniform1i(t.uniforms.u_is_size_zoom_constant,l?1:0),s.uniform1i(t.uniforms.u_is_size_feature_constant,m?1:0),s.uniform1f(t.uniforms.u_camera_to_center_distance,u.cameraToCenterDistance);var f=symbolSize.evaluateSizeForZoom(n,u,i,e);void 0!==f.uSizeT&&s.uniform1f(t.uniforms.u_size_t,f.uSizeT),void 0!==f.uSize&&s.uniform1f(t.uniforms.u_size,f.uSize),s.uniform1f(t.uniforms.u_aspect_ratio,u.width/u.height),s.uniform1i(t.uniforms.u_rotate_symbol,a?1:0)}(T,t,i,a,p,_,w)),m.activeTexture(m.TEXTURE0),m.uniform1i(T.uniforms.u_texture,0),a)S.glyphAtlasTexture.bind(m.LINEAR,m.CLAMP_TO_EDGE),m.uniform2fv(T.uniforms.u_texsize,S.glyphAtlasTexture.size);else{var M=!i.isLayoutValueFeatureConstant("icon-size")||!i.isLayoutValueZoomConstant("icon-size")||1!==i.getLayoutValue("icon-size",{zoom:f.zoom})||h.iconsNeedLinear,L=_||0!==f.pitch;S.iconAtlasTexture.bind(E||t.options.rotating||t.options.zooming||M||L?m.LINEAR:m.NEAREST,m.CLAMP_TO_EDGE),m.uniform2fv(T.uniforms.u_texsize,S.iconAtlasTexture.size)}t.enableTileClippingMask(g),m.uniformMatrix4fv(T.uniforms.u_matrix,!1,t.translatePosMatrix(g.posMatrix,S,r,n));var C=pixelsToTileUnits(S,1,t.transform.zoom),P=symbolProjection.getLabelPlaneMatrix(g.posMatrix,_,c,t.transform,C),D=symbolProjection.getGlCoordMatrix(g.posMatrix,_,c,t.transform,C);m.uniformMatrix4fv(T.uniforms.u_gl_coord_matrix,!1,t.translatePosMatrix(D,S,r,n,!0)),y?(m.uniformMatrix4fv(T.uniforms.u_label_plane_matrix,!1,identityMat4),symbolProjection.updateLineLabels(h,g.posMatrix,t,a,P,D,_,l,C,i)):m.uniformMatrix4fv(T.uniforms.u_label_plane_matrix,!1,P),m.uniform1f(T.uniforms.u_collision_y_stretch,S.collisionTile.yStretch),function(t,o,i,e,a,r,n,s,u){var l=i.gl,m=i.transform;if(s){var f=(n?"text":"icon")+"-halo-width",c=!e.isPaintValueFeatureConstant(f)||e.paint[f],_=u?Math.cos(m._pitch)*m.cameraToCenterDistance:1;l.uniform1f(t.uniforms.u_gamma_scale,_),c&&(l.uniform1f(t.uniforms.u_is_halo,1),drawSymbolElements(r,e,l,t)),l.uniform1f(t.uniforms.u_is_halo,0)}drawSymbolElements(r,e,l,t)}(T,0,t,i,0,z,a,E,_)}}}x||m.enable(m.DEPTH_TEST)}function drawSymbolElements(t,o,i,e){e.draw(i,i.TRIANGLES,o.id,t.layoutVertexBuffer,t.indexBuffer,t.segments,t.programConfigurations.get(o.id),t.dynamicLayoutVertexBuffer)}var drawCollisionDebug=_dereq_("./draw_collision_debug"),pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units"),symbolProjection=_dereq_("../symbol/projection"),symbolSize=_dereq_("../symbol/symbol_size"),identityMat4=_dereq_("@mapbox/gl-matrix").mat4.identity(new Float32Array(16));module.exports=function(t,o,i,e){if("translucent"===t.renderPass){var a=!(i.layout["text-allow-overlap"]||i.layout["icon-allow-overlap"]||i.layout["text-ignore-placement"]||i.layout["icon-ignore-placement"]),r=t.gl;a?r.disable(r.STENCIL_TEST):r.enable(r.STENCIL_TEST),t.setDepthSublayer(0),t.depthMask(!1),i.isOpacityZero(t.transform.zoom,"icon-opacity")||drawLayerSymbols(t,o,i,e,!1,i.paint["icon-translate"],i.paint["icon-translate-anchor"],i.layout["icon-rotation-alignment"],i.layout["icon-pitch-alignment"],i.layout["icon-keep-upright"]),i.isOpacityZero(t.transform.zoom,"text-opacity")||drawLayerSymbols(t,o,i,e,!0,i.paint["text-translate"],i.paint["text-translate-anchor"],i.layout["text-rotation-alignment"],i.layout["text-pitch-alignment"],i.layout["text-keep-upright"]),o.map.showCollisionBoxes&&drawCollisionDebug(t,o,i,e)}}},{"../source/pixels_to_tile_units":105,"../symbol/projection":204,"../symbol/symbol_size":207,"./draw_collision_debug":76,"@mapbox/gl-matrix":1}],84:[function(_dereq_,module,exports){"use strict";var FrameHistory=function(){this.changeTimes=new Float64Array(256),this.changeOpacities=new Uint8Array(256),this.opacities=new Uint8ClampedArray(256),this.array=new Uint8Array(this.opacities.buffer),this.previousZoom=0,this.firstFrame=!0};FrameHistory.prototype.record=function(e,t,i){var r=this;this.firstFrame&&(e=0,this.firstFrame=!1);var a;if((t=Math.floor(10*t))<this.previousZoom)for(a=t+1;a<=this.previousZoom;a++)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];else for(a=t;a>this.previousZoom;a--)r.changeTimes[a]=e,r.changeOpacities[a]=r.opacities[a];for(a=0;a<256;a++){var s=e-r.changeTimes[a],o=255*(i?s/i:1);r.opacities[a]=a<=t?r.changeOpacities[a]+o:r.changeOpacities[a]-o}this.changed=!0,this.previousZoom=t},FrameHistory.prototype.isVisible=function(e){return 0!==this.opacities[Math.floor(10*e)]},FrameHistory.prototype.bind=function(e){this.texture?(e.bindTexture(e.TEXTURE_2D,this.texture),this.changed&&(e.texSubImage2D(e.TEXTURE_2D,0,0,0,256,1,e.ALPHA,e.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texImage2D(e.TEXTURE_2D,0,e.ALPHA,256,1,0,e.ALPHA,e.UNSIGNED_BYTE,this.array))},module.exports=FrameHistory},{}],85:[function(_dereq_,module,exports){"use strict";var ShelfPack=_dereq_("@mapbox/shelf-pack"),AlphaImage=_dereq_("../util/image").AlphaImage;module.exports={makeGlyphAtlas:function(a){var e=AlphaImage.create({width:0,height:0}),i={},t=new ShelfPack(0,0,{autoResize:!0});for(var h in a){var p=a[h],r=i[h]={};for(var m in p){var g=p[+m];if(g&&0!==g.bitmap.width&&0!==g.bitmap.height){var l=t.packOne(g.bitmap.width+2,g.bitmap.height+2);AlphaImage.resize(e,{width:t.w,height:t.h}),AlphaImage.copy(g.bitmap,e,{x:0,y:0},{x:l.x+1,y:l.y+1},g.bitmap),r[m]={rect:l,metrics:g.metrics}}}}return t.shrink(),AlphaImage.resize(e,{width:t.w,height:t.h}),{image:e,positions:i}}}},{"../util/image":242,"@mapbox/shelf-pack":3}],86:[function(_dereq_,module,exports){"use strict";var loadGlyphRange=_dereq_("../style/load_glyph_range"),TinySDF=_dereq_("@mapbox/tiny-sdf"),isChar=_dereq_("../util/is_char_in_unicode_block"),asyncAll=_dereq_("../util/util").asyncAll,AlphaImage=_dereq_("../util/image").AlphaImage,GlyphManager=function(r,e){this.requestTransform=r,this.localIdeographFontFamily=e,this.entries={}};GlyphManager.prototype.setURL=function(r){this.url=r},GlyphManager.prototype.getGlyphs=function(r,e){var t=this,i=[];for(var a in r)for(var l=0,n=r[a];l<n.length;l+=1){var s=n[l];i.push({stack:a,id:s})}asyncAll(i,function(r,e){var i=r.stack,a=r.id,l=t.entries[i];l||(l=t.entries[i]={glyphs:{},requests:{}});var n=l.glyphs[a];if(void 0===n)if(n=t._tinySDF(l,i,a))e(null,{stack:i,id:a,glyph:n});else{var s=Math.floor(a/256);if(256*s>65535)e(new Error("glyphs > 65535 not supported"));else{var o=l.requests[s];o||(o=l.requests[s]=[],loadGlyphRange(i,s,t.url,t.requestTransform,function(r,e){if(e)for(var t in e)l.glyphs[+t]=e[+t];for(var i=0,a=o;i<a.length;i+=1)(0,a[i])(r,e);delete l.requests[s]})),o.push(function(r,t){r?e(r):t&&e(null,{stack:i,id:a,glyph:t[a]||null})})}}else e(null,{stack:i,id:a,glyph:n})},function(r,t){if(r)e(r);else if(t){for(var i={},a=0,l=t;a<l.length;a+=1){var n=l[a],s=n.stack,o=n.id,h=n.glyph;(i[s]||(i[s]={}))[o]=h}e(null,i)}})},GlyphManager.prototype._tinySDF=function(r,e,t){var i=this.localIdeographFontFamily;if(i&&(isChar["CJK Unified Ideographs"](t)||isChar["Hangul Syllables"](t))){var a=r.tinySDF;if(!a){var l="400";/bold/i.test(e)?l="900":/medium/i.test(e)?l="500":/light/i.test(e)&&(l="200"),a=r.tinySDF=new TinySDF(24,3,8,.25,i,l)}return{id:t,bitmap:AlphaImage.create({width:30,height:30},a.draw(String.fromCharCode(t))),metrics:{width:24,height:24,left:0,top:-8,advance:24}}}},module.exports=GlyphManager},{"../style/load_glyph_range":178,"../util/image":242,"../util/is_char_in_unicode_block":244,"../util/util":252,"@mapbox/tiny-sdf":4}],87:[function(_dereq_,module,exports){"use strict";function imagePosition(a,e){var i=e.pixelRatio,t={x:a.x+padding,y:a.y+padding,w:a.w-2*padding,h:a.h-2*padding};return{pixelRatio:i,textureRect:t,tl:[t.x,t.y],br:[t.x+t.w,t.y+t.h],displaySize:[t.w/i,t.h/i]}}var ShelfPack=_dereq_("@mapbox/shelf-pack"),RGBAImage=_dereq_("../util/image").RGBAImage,padding=1;module.exports={imagePosition:imagePosition,makeImageAtlas:function(a){var e=RGBAImage.create({width:0,height:0}),i={},t=new ShelfPack(0,0,{autoResize:!0});for(var d in a){var g=a[d],n=t.packOne(g.data.width+2*padding,g.data.height+2*padding);RGBAImage.resize(e,{width:t.w,height:t.h}),RGBAImage.copy(g.data,e,{x:0,y:0},{x:n.x+padding,y:n.y+padding},g.data),i[d]=imagePosition(n,g)}return t.shrink(),RGBAImage.resize(e,{width:t.w,height:t.h}),{image:e,positions:i}}}},{"../util/image":242,"@mapbox/shelf-pack":3}],88:[function(_dereq_,module,exports){"use strict";var ShelfPack=_dereq_("@mapbox/shelf-pack"),RGBAImage=_dereq_("../util/image").RGBAImage,imagePosition=_dereq_("./image_atlas").imagePosition,Texture=_dereq_("./texture"),ImageManager=function(){this.images={},this.loaded=!1,this.requestors=[],this.shelfPack=new ShelfPack(64,64,{autoResize:!0}),this.patterns={},this.atlasImage=RGBAImage.create({width:64,height:64}),this.dirty=!0};ImageManager.prototype.isLoaded=function(){return this.loaded},ImageManager.prototype.setLoaded=function(e){if(this.loaded!==e&&(this.loaded=e,e)){for(var a=0,i=this.requestors;a<i.length;a+=1){var r=i[a],s=r.ids,h=r.callback;this._notify(s,h)}this.requestors=[]}},ImageManager.prototype.getImage=function(e){return this.images[e]},ImageManager.prototype.addImage=function(e,t){this.images[e]=t},ImageManager.prototype.removeImage=function(e){delete this.images[e];var t=this.patterns[e];t&&(this.shelfPack.unref(t.bin),delete this.patterns[e])},ImageManager.prototype.getImages=function(e,t){var i=!0;if(!this.isLoaded())for(var r=0,s=e;r<s.length;r+=1){var h=s[r];this.images[h]||(i=!1)}this.isLoaded()||i?this._notify(e,t):this.requestors.push({ids:e,callback:t})},ImageManager.prototype._notify=function(e,t){for(var i={},r=0,s=e;r<s.length;r+=1){var h=s[r],g=this.images[h];g&&(i[h]=g)}t(null,i)},ImageManager.prototype.getPixelSize=function(){return{width:this.shelfPack.w,height:this.shelfPack.h}},ImageManager.prototype.getPattern=function(e){var t=this.patterns[e];if(t)return t.position;var a=this.getImage(e);if(!a)return null;var i=a.data.width+2,r=a.data.height+2,s=this.shelfPack.packOne(i,r);if(!s)return null;RGBAImage.resize(this.atlasImage,this.getPixelSize());var h=a.data,g=this.atlasImage,n=s.x+1,o=s.y+1,d=h.width,m=h.height;RGBAImage.copy(h,g,{x:0,y:0},{x:n,y:o},{width:d,height:m}),RGBAImage.copy(h,g,{x:0,y:m-1},{x:n,y:o-1},{width:d,height:1}),RGBAImage.copy(h,g,{x:0,y:0},{x:n,y:o+m},{width:d,height:1}),RGBAImage.copy(h,g,{x:d-1,y:0},{x:n-1,y:o},{width:1,height:m}),RGBAImage.copy(h,g,{x:0,y:0},{x:n+d,y:o},{width:1,height:m}),this.dirty=!0;var p=imagePosition(s,a);return this.patterns[e]={bin:s,position:p},p},ImageManager.prototype.bind=function(e){this.atlasTexture?this.dirty&&(this.atlasTexture.update(this.atlasImage),this.dirty=!1):this.atlasTexture=new Texture(e,this.atlasImage,e.RGBA),this.atlasTexture.bind(e.LINEAR,e.CLAMP_TO_EDGE)},module.exports=ImageManager},{"../util/image":242,"./image_atlas":87,"./texture":94,"@mapbox/shelf-pack":3}],89:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),LineAtlas=function(t,i){this.width=t,this.height=i,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}};LineAtlas.prototype.getDash=function(t,i){var e=t.join(",")+String(i);return this.positions[e]||(this.positions[e]=this.addDash(t,i)),this.positions[e]},LineAtlas.prototype.addDash=function(t,i){var e=this,h=i?7:0,s=2*h+1;if(this.nextRow+s>this.height)return util.warnOnce("LineAtlas out of space"),null;for(var a=0,r=0;r<t.length;r++)a+=t[r];for(var n=this.width/a,E=n/2,T=t.length%2==1,o=-h;o<=h;o++)for(var R=e.nextRow+h+o,d=e.width*R,u=T?-t[t.length-1]:0,x=t[0],l=1,_=0;_<this.width;_++){for(;x<_/n;)u=x,x+=t[l],T&&l===t.length-1&&(x+=t[0]),l++;var A=Math.abs(_-u*n),g=Math.abs(_-x*n),w=Math.min(A,g),D=l%2==1,U=void 0;if(i){var f=h?o/h*(E+1):0;if(D){var p=E-Math.abs(f);U=Math.sqrt(w*w+p*p)}else U=E-Math.sqrt(w*w+f*f)}else U=(D?1:-1)*w;e.data[3+4*(d+_)]=Math.max(0,Math.min(255,U+128))}var X={y:(this.nextRow+h+.5)/this.height,height:2*h/this.height,width:a};return this.nextRow+=s,this.dirty=!0,X},LineAtlas.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))},module.exports=LineAtlas},{"../util/util":252}],90:[function(_dereq_,module,exports){"use strict";var browser=_dereq_("../util/browser"),mat4=_dereq_("@mapbox/gl-matrix").mat4,FrameHistory=_dereq_("./frame_history"),SourceCache=_dereq_("../source/source_cache"),EXTENT=_dereq_("../data/extent"),pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units"),util=_dereq_("../util/util"),VertexBuffer=_dereq_("../gl/vertex_buffer"),VertexArrayObject=_dereq_("./vertex_array_object"),RasterBoundsArray=_dereq_("../data/raster_bounds_array"),PosArray=_dereq_("../data/pos_array"),ProgramConfiguration=_dereq_("../data/program_configuration").ProgramConfiguration,shaders=_dereq_("../shaders"),Program=_dereq_("./program"),RenderTexture=_dereq_("./render_texture"),updateTileMasks=_dereq_("./tile_mask"),draw={symbol:_dereq_("./draw_symbol"),circle:_dereq_("./draw_circle"),heatmap:_dereq_("./draw_heatmap"),line:_dereq_("./draw_line"),fill:_dereq_("./draw_fill"),"fill-extrusion":_dereq_("./draw_fill_extrusion"),raster:_dereq_("./draw_raster"),background:_dereq_("./draw_background"),debug:_dereq_("./draw_debug")},Painter=function(e,r){this.gl=e,this.transform=r,this._tileTextures={},this.frameHistory=new FrameHistory,this.setup(),this.numSublayers=SourceCache.maxUnderzooming+SourceCache.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE),this.basicFillProgramConfiguration=ProgramConfiguration.createBasicFill(),this.emptyProgramConfiguration=new ProgramConfiguration};Painter.prototype.resize=function(e,r){var i=this.gl;if(this.width=e*browser.devicePixelRatio,this.height=r*browser.devicePixelRatio,i.viewport(0,0,this.width,this.height),this.style)for(var a=0,s=this.style._order;a<s.length;a+=1){var n=s[a];this.style._layers[n].resize(i)}this.depthRbo&&(this.gl.deleteRenderbuffer(this.depthRbo),this.depthRbo=null)},Painter.prototype.setup=function(){var e=this.gl;e.enable(e.BLEND),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA),e.enable(e.STENCIL_TEST),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),this._depthMask=!1,e.depthMask(!1);var r=new PosArray;r.emplaceBack(0,0),r.emplaceBack(EXTENT,0),r.emplaceBack(0,EXTENT),r.emplaceBack(EXTENT,EXTENT),this.tileExtentBuffer=new VertexBuffer(e,r),this.tileExtentVAO=new VertexArrayObject,this.tileExtentPatternVAO=new VertexArrayObject;var t=new PosArray;t.emplaceBack(0,0),t.emplaceBack(EXTENT,0),t.emplaceBack(EXTENT,EXTENT),t.emplaceBack(0,EXTENT),t.emplaceBack(0,0),this.debugBuffer=new VertexBuffer(e,t),this.debugVAO=new VertexArrayObject;var i=new RasterBoundsArray;i.emplaceBack(0,0,0,0),i.emplaceBack(EXTENT,0,EXTENT,0),i.emplaceBack(0,EXTENT,0,EXTENT),i.emplaceBack(EXTENT,EXTENT,EXTENT,EXTENT),this.rasterBoundsBuffer=new VertexBuffer(e,i),this.rasterBoundsVAO=new VertexArrayObject;var a=new PosArray;a.emplaceBack(0,0),a.emplaceBack(1,0),a.emplaceBack(0,1),a.emplaceBack(1,1),this.viewportBuffer=new VertexBuffer(e,a),this.viewportVAO=new VertexArrayObject,this.extTextureFilterAnisotropic=e.getExtension("EXT_texture_filter_anisotropic")||e.getExtension("MOZ_EXT_texture_filter_anisotropic")||e.getExtension("WEBKIT_EXT_texture_filter_anisotropic"),this.extTextureFilterAnisotropic&&(this.extTextureFilterAnisotropicMax=e.getParameter(this.extTextureFilterAnisotropic.MAX_TEXTURE_MAX_ANISOTROPY_EXT)),this.extTextureHalfFloat=e.getExtension("OES_texture_half_float"),this.extTextureHalfFloat&&e.getExtension("OES_texture_half_float_linear")},Painter.prototype.clearColor=function(){var e=this.gl;e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)},Painter.prototype.clearStencil=function(){var e=this.gl;e.clearStencil(0),e.stencilMask(255),e.clear(e.STENCIL_BUFFER_BIT)},Painter.prototype.clearDepth=function(){var e=this.gl;e.clearDepth(1),this.depthMask(!0),e.clear(e.DEPTH_BUFFER_BIT)},Painter.prototype._renderTileClippingMasks=function(e){var r=this,t=this.gl;t.colorMask(!1,!1,!1,!1),this.depthMask(!1),t.disable(t.DEPTH_TEST),t.enable(t.STENCIL_TEST),t.stencilMask(255),t.stencilOp(t.KEEP,t.KEEP,t.REPLACE);var i=1;this._tileClippingMaskIDs={};for(var a=0,s=e;a<s.length;a+=1){var n=s[a],o=r._tileClippingMaskIDs[n.id]=i++;t.stencilFunc(t.ALWAYS,o,255);var l=r.useProgram("fill",r.basicFillProgramConfiguration);t.uniformMatrix4fv(l.uniforms.u_matrix,!1,n.posMatrix),r.tileExtentVAO.bind(t,l,r.tileExtentBuffer),t.drawArrays(t.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}t.stencilMask(0),t.colorMask(!0,!0,!0,!0),this.depthMask(!0),t.enable(t.DEPTH_TEST)},Painter.prototype.enableTileClippingMask=function(e){var r=this.gl;r.stencilFunc(r.EQUAL,this._tileClippingMaskIDs[e.id],255)},Painter.prototype.render=function(e,r){var t=this;this.style=e,this.options=r,this.lineAtlas=e.lineAtlas,this.imageManager=e.imageManager,this.glyphManager=e.glyphManager,this.frameHistory.record(Date.now(),this.transform.zoom,e.getTransition().duration);for(var i in t.style.sourceCaches){var a=t.style.sourceCaches[i];a.used&&a.prepare(t.gl)}var s=this.style._order,n=util.filterObject(this.style.sourceCaches,function(e){return"raster"===e._source.type});for(var o in n)!function(e){var r=n[o],a=r.getVisibleCoordinates().map(function(e){return r.getTile(e)});updateTileMasks(a,t.gl)}();this.renderPass="3d";for(var l,h=!0,c=[],u=0;u<s.length;u++){var p=t.style._layers[s[u]];if(p.has3DPass()&&!p.isHidden(t.transform.zoom)&&(p.source!==(l&&l.id)&&(l=t.style.sourceCaches[p.source],c=[],l&&(t.clearStencil(),c=l.getVisibleCoordinates()),c.reverse()),c.length)){t._setup3DRenderbuffer();var d=p.viewportFrame||new RenderTexture(t);p.viewportFrame=d,d.bindWithDepth(t.depthRbo),h&&(t.clearDepth(),h=!1),t.renderLayer(t,l,p,c),d.unbind()}}this.clearColor(),this.clearDepth(),this.showOverdrawInspector(r.showOverdrawInspector),this.depthRange=(e._order.length+2)*this.numSublayers*this.depthEpsilon,this.renderPass="opaque";var g,f=[];for(this.currentLayer=s.length-1,this._showOverdrawInspector||this.gl.disable(this.gl.BLEND),this.currentLayer;this.currentLayer>=0;this.currentLayer--){var E=t.style._layers[s[t.currentLayer]];E.source!==(g&&g.id)&&(g=t.style.sourceCaches[E.source],f=[],g&&(t.clearStencil(),f=g.getVisibleCoordinates(),g.getSource().isTileClipped&&t._renderTileClippingMasks(f))),t.renderLayer(t,g,E,f)}this.renderPass="translucent";var T,_=[];for(this.gl.enable(this.gl.BLEND),this.currentLayer=0,this.currentLayer;this.currentLayer<s.length;this.currentLayer++){var y=t.style._layers[s[t.currentLayer]];y.source!==(T&&T.id)&&(T=t.style.sourceCaches[y.source],_=[],T&&(t.clearStencil(),_=T.getVisibleCoordinates(),T.getSource().isTileClipped&&t._renderTileClippingMasks(_)),_.reverse()),t.renderLayer(t,T,y,_)}if(this.options.showTileBoundaries){var m=this.style.sourceCaches[Object.keys(this.style.sourceCaches)[0]];m&&draw.debug(this,m,m.getVisibleCoordinates())}},Painter.prototype._setup3DRenderbuffer=function(){if(!this.depthRbo){var e=this.gl;this.depthRbo=e.createRenderbuffer(),e.bindRenderbuffer(e.RENDERBUFFER,this.depthRbo),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_COMPONENT16,this.width,this.height),e.bindRenderbuffer(e.RENDERBUFFER,null)}this.depthRboAttached=!0},Painter.prototype.depthMask=function(e){e!==this._depthMask&&(this._depthMask=e,this.gl.depthMask(e))},Painter.prototype.renderLayer=function(e,r,t,i){t.isHidden(this.transform.zoom)||("background"===t.type||i.length)&&(this.id=t.id,draw[t.type](e,r,t,i))},Painter.prototype.setDepthSublayer=function(e){var r=1-((1+this.currentLayer)*this.numSublayers+e)*this.depthEpsilon,t=r-1+this.depthRange;this.gl.depthRange(t,r)},Painter.prototype.translatePosMatrix=function(e,r,t,i,a){if(!t[0]&&!t[1])return e;var s=a?"map"===i?this.transform.angle:0:"viewport"===i?-this.transform.angle:0;if(s){var n=Math.sin(s),o=Math.cos(s);t=[t[0]*o-t[1]*n,t[0]*n+t[1]*o]}var l=[a?t[0]:pixelsToTileUnits(r,t[0],this.transform.zoom),a?t[1]:pixelsToTileUnits(r,t[1],this.transform.zoom),0],h=new Float32Array(16);return mat4.translate(h,e,l),h},Painter.prototype.saveTileTexture=function(e){var r=this._tileTextures[e.size[0]];r?r.push(e):this._tileTextures[e.size[0]]=[e]},Painter.prototype.getTileTexture=function(e){var r=this._tileTextures[e];return r&&r.length>0?r.pop():null},Painter.prototype.lineWidth=function(e){this.gl.lineWidth(util.clamp(e,this.lineWidthRange[0],this.lineWidthRange[1]))},Painter.prototype.showOverdrawInspector=function(e){if(e||this._showOverdrawInspector){this._showOverdrawInspector=e;var r=this.gl;e?(r.blendFunc(r.CONSTANT_COLOR,r.ONE),r.blendColor(1/8,1/8,1/8,0),r.clearColor(0,0,0,1),r.clear(r.COLOR_BUFFER_BIT)):r.blendFunc(r.ONE,r.ONE_MINUS_SRC_ALPHA)}},Painter.prototype._createProgramCached=function(e,r){this.cache=this.cache||{};var t=""+e+(r.cacheKey||"")+(this._showOverdrawInspector?"/overdraw":"");return this.cache[t]||(this.cache[t]=new Program(this.gl,shaders[e],r,this._showOverdrawInspector)),this.cache[t]},Painter.prototype.useProgram=function(e,r){var t=this.gl,i=this._createProgramCached(e,r||this.emptyProgramConfiguration);return this.currentProgram!==i&&(t.useProgram(i.program),this.currentProgram=i),i},module.exports=Painter},{"../data/extent":58,"../data/pos_array":62,"../data/program_configuration":63,"../data/raster_bounds_array":64,"../gl/vertex_buffer":72,"../shaders":98,"../source/pixels_to_tile_units":105,"../source/source_cache":110,"../util/browser":231,"../util/util":252,"./draw_background":74,"./draw_circle":75,"./draw_debug":77,"./draw_fill":78,"./draw_fill_extrusion":79,"./draw_heatmap":80,"./draw_line":81,"./draw_raster":82,"./draw_symbol":83,"./frame_history":84,"./program":92,"./render_texture":93,"./tile_mask":95,"./vertex_array_object":96,"@mapbox/gl-matrix":1}],91:[function(_dereq_,module,exports){"use strict";var pixelsToTileUnits=_dereq_("../source/pixels_to_tile_units");exports.isPatternMissing=function(r,i){if(!r)return!1;var e=i.imageManager.getPattern(r.from),o=i.imageManager.getPattern(r.to);return!e||!o},exports.prepare=function(r,i,e){var o=i.gl,t=i.imageManager.getPattern(r.from),n=i.imageManager.getPattern(r.to);o.uniform1i(e.uniforms.u_image,0),o.uniform2fv(e.uniforms.u_pattern_tl_a,t.tl),o.uniform2fv(e.uniforms.u_pattern_br_a,t.br),o.uniform2fv(e.uniforms.u_pattern_tl_b,n.tl),o.uniform2fv(e.uniforms.u_pattern_br_b,n.br);var u=i.imageManager.getPixelSize(),a=u.width,f=u.height;o.uniform2fv(e.uniforms.u_texsize,[a,f]),o.uniform1f(e.uniforms.u_mix,r.t),o.uniform2fv(e.uniforms.u_pattern_size_a,t.displaySize),o.uniform2fv(e.uniforms.u_pattern_size_b,n.displaySize),o.uniform1f(e.uniforms.u_scale_a,r.fromScale),o.uniform1f(e.uniforms.u_scale_b,r.toScale),o.activeTexture(o.TEXTURE0),i.imageManager.bind(o)},exports.setTile=function(r,i,e){var o=i.gl;o.uniform1f(e.uniforms.u_tile_units_to_pixels,1/pixelsToTileUnits(r,1,i.transform.tileZoom));var t=Math.pow(2,r.coord.z),n=r.tileSize*Math.pow(2,i.transform.tileZoom)/t,u=n*(r.coord.x+r.coord.w*t),a=n*r.coord.y;o.uniform2f(e.uniforms.u_pixel_coord_upper,u>>16,a>>16),o.uniform2f(e.uniforms.u_pixel_coord_lower,65535&u,65535&a)}},{"../source/pixels_to_tile_units":105}],92:[function(_dereq_,module,exports){"use strict";var browser=_dereq_("../util/browser"),shaders=_dereq_("../shaders"),VertexArrayObject=(_dereq_("../data/program_configuration").ProgramConfiguration,_dereq_("./vertex_array_object")),Program=function(r,e,t,a){var o=this;this.gl=r,this.program=r.createProgram();var i=t.defines().concat("#define DEVICE_PIXEL_RATIO "+browser.devicePixelRatio.toFixed(1));a&&i.push("#define OVERDRAW_INSPECTOR;");var n=i.concat(shaders.prelude.fragmentSource,e.fragmentSource).join("\n"),s=i.concat(shaders.prelude.vertexSource,e.vertexSource).join("\n"),m=r.createShader(r.FRAGMENT_SHADER);r.shaderSource(m,n),r.compileShader(m),r.attachShader(this.program,m);var g=r.createShader(r.VERTEX_SHADER);r.shaderSource(g,s),r.compileShader(g),r.attachShader(this.program,g);for(var c=t.interface?t.interface.layoutAttributes:[],u=0;u<c.length;u++)r.bindAttribLocation(o.program,u,c[u].name);r.linkProgram(this.program),this.numAttributes=r.getProgramParameter(this.program,r.ACTIVE_ATTRIBUTES),this.attributes={},this.uniforms={};for(var h=0;h<this.numAttributes;h++){var f=r.getActiveAttrib(o.program,h);f&&(o.attributes[f.name]=r.getAttribLocation(o.program,f.name))}for(var d=r.getProgramParameter(this.program,r.ACTIVE_UNIFORMS),p=0;p<d;p++){var v=r.getActiveUniform(o.program,p);v&&(o.uniforms[v.name]=r.getUniformLocation(o.program,v.name))}};Program.prototype.draw=function(r,e,t,a,o,i,n,s){for(var m,c=(m={},m[r.LINES]=2,m[r.TRIANGLES]=3,m)[e],u=0,h=i.get();u<h.length;u+=1){var f=h[u],d=f.vaos||(f.vaos={});(d[t]||(d[t]=new VertexArrayObject)).bind(r,this,a,o,n&&n.paintVertexBuffer,f.vertexOffset,s),r.drawElements(e,f.primitiveLength*c,r.UNSIGNED_SHORT,f.primitiveOffset*c*2)}},module.exports=Program},{"../data/program_configuration":63,"../shaders":98,"../util/browser":231,"./vertex_array_object":96}],93:[function(_dereq_,module,exports){"use strict";var RenderTexture=function(e){var E=this.gl=e.gl,t=this.texture=E.createTexture();E.bindTexture(E.TEXTURE_2D,t),E.texParameteri(E.TEXTURE_2D,E.TEXTURE_WRAP_S,E.CLAMP_TO_EDGE),E.texParameteri(E.TEXTURE_2D,E.TEXTURE_WRAP_T,E.CLAMP_TO_EDGE),E.texParameteri(E.TEXTURE_2D,E.TEXTURE_MIN_FILTER,E.LINEAR),E.texParameteri(E.TEXTURE_2D,E.TEXTURE_MAG_FILTER,E.LINEAR),E.texImage2D(E.TEXTURE_2D,0,E.RGBA,e.width,e.height,0,E.RGBA,E.UNSIGNED_BYTE,null),E.bindTexture(E.TEXTURE_2D,null);var r=this.fbo=E.createFramebuffer();E.bindFramebuffer(E.FRAMEBUFFER,r),E.framebufferTexture2D(E.FRAMEBUFFER,E.COLOR_ATTACHMENT0,E.TEXTURE_2D,t,0)};RenderTexture.prototype.bindWithDepth=function(e){var E=this.gl;E.bindFramebuffer(E.FRAMEBUFFER,this.fbo),this.attachedRbo!==e&&(E.framebufferRenderbuffer(E.FRAMEBUFFER,E.DEPTH_ATTACHMENT,E.RENDERBUFFER,e),this.attachedRbo=e)},RenderTexture.prototype.unbind=function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null)},module.exports=RenderTexture},{}],94:[function(_dereq_,module,exports){"use strict";var ref=_dereq_("../util/window"),HTMLImageElement=ref.HTMLImageElement,HTMLCanvasElement=ref.HTMLCanvasElement,HTMLVideoElement=ref.HTMLVideoElement,ImageData=ref.ImageData,Texture=function(e,t,i){this.gl=e;var r=t.width,a=t.height;this.size=[r,a],this.format=i,this.texture=e.createTexture(),this.update(t)};Texture.prototype.update=function(e){var t=e.width,i=e.height;this.size=[t,i];var a=this.gl;a.bindTexture(a.TEXTURE_2D,this.texture),a.pixelStorei(a.UNPACK_ALIGNMENT,1),this.format===a.RGBA&&a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),e instanceof HTMLImageElement||e instanceof HTMLCanvasElement||e instanceof HTMLVideoElement||e instanceof ImageData?a.texImage2D(a.TEXTURE_2D,0,this.format,this.format,a.UNSIGNED_BYTE,e):a.texImage2D(a.TEXTURE_2D,0,this.format,t,i,0,this.format,a.UNSIGNED_BYTE,e.data)},Texture.prototype.bind=function(e,t,i){var a=this.gl;a.bindTexture(a.TEXTURE_2D,this.texture),e!==this.filter&&(a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,e),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,i||e),this.filter=e),t!==this.wrap&&(a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,t),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,t),this.wrap=t)},Texture.prototype.destroy=function(){this.gl.deleteTexture(this.texture),this.texture=null},module.exports=Texture},{"../util/window":233}],95:[function(_dereq_,module,exports){"use strict";function computeTileMasks(o,r,e,i,s){for(var c=0;c<e.length;c++){var d=e[c];if(i.isLessThan(d.coord))break;if(r.id===d.coord.id)return;if(d.coord.isChildOf(r)){for(var n=r.children(1/0),t=0;t<n.length;t++)computeTileMasks(o,n[t],e.slice(c),i,s);return}}var a=r.z-o.z,l=new TileCoord(a,r.x-(o.x<<a),r.y-(o.y<<a)).id;s[l]=s[l]||!0}var TileCoord=_dereq_("../source/tile_coord");module.exports=function(o,r){for(var e=o.sort(function(o,r){return o.coord.isLessThan(r.coord)?-1:r.coord.isLessThan(o.coord)?1:0}),i=0;i<e.length;i++){var s={},c=e[i],d=e.slice(i+1);computeTileMasks(c.coord.wrapped(),c.coord,d,new TileCoord(0,0,0,c.coord.w+1),s),c.setMask(s,r)}}},{"../source/tile_coord":113}],96:[function(_dereq_,module,exports){"use strict";var VertexArrayObject=function(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundIndexBuffer=null,this.boundVertexOffset=null,this.boundDynamicVertexBuffer=null,this.vao=null};VertexArrayObject.prototype.bind=function(e,t,r,i,n,s,u){void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension("OES_vertex_array_object"));var b=!this.vao||this.boundProgram!==t||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==n||this.boundIndexBuffer!==i||this.boundVertexOffset!==s||this.boundDynamicVertexBuffer!==u;!e.extVertexArrayObject||b?(this.freshBind(e,t,r,i,n,s,u),this.gl=e):(e.extVertexArrayObject.bindVertexArrayOES(this.vao),u&&u.bind())},VertexArrayObject.prototype.freshBind=function(e,t,r,i,n,s,u){var b,o=t.numAttributes;if(e.extVertexArrayObject)this.vao&&this.destroy(),this.vao=e.extVertexArrayObject.createVertexArrayOES(),e.extVertexArrayObject.bindVertexArrayOES(this.vao),b=0,this.boundProgram=t,this.boundVertexBuffer=r,this.boundVertexBuffer2=n,this.boundIndexBuffer=i,this.boundVertexOffset=s,this.boundDynamicVertexBuffer=u;else{b=e.currentNumAttributes||0;for(var x=o;x<b;x++)e.disableVertexAttribArray(x)}r.enableAttributes(e,t),n&&n.enableAttributes(e,t),u&&u.enableAttributes(e,t),r.bind(),r.setVertexAttribPointers(e,t,s),n&&(n.bind(),n.setVertexAttribPointers(e,t,s)),u&&(u.bind(),u.setVertexAttribPointers(e,t,s)),i&&i.bind(),e.currentNumAttributes=o},VertexArrayObject.prototype.destroy=function(){this.vao&&(this.gl.extVertexArrayObject.deleteVertexArrayOES(this.vao),this.vao=null)},module.exports=VertexArrayObject},{}],97:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util");exports.packUint8ToFloat=function(t,l){return t=util.clamp(Math.floor(t),0,255),l=util.clamp(Math.floor(l),0,255),256*t+l}},{"../util/util":252}],98:[function(_dereq_,module,exports){"use strict";var shaders={prelude:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n\n#if !defined(lowp)\n#define lowp\n#endif\n\n#if !defined(mediump)\n#define mediump\n#endif\n\n#if !defined(highp)\n#define highp\n#endif\n\n#endif\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n\n#if !defined(lowp)\n#define lowp\n#endif\n\n#if !defined(mediump)\n#define mediump\n#endif\n\n#if !defined(highp)\n#define highp\n#endif\n\n#endif\n\n// Unpack a pair of values that have been packed into a single float.\n// The packed values are assumed to be 8-bit unsigned integers, and are\n// packed like so:\n// packedValue = floor(input[0]) * 256 + input[1],\nvec2 unpack_float(const float packedValue) {\n int packedIntValue = int(packedValue);\n int v0 = packedIntValue / 256;\n return vec2(v0, packedIntValue - v0 * 256);\n}\n\n\n// To minimize the number of attributes needed, we encode a 4-component\n// color into a pair of floats (i.e. a vec2) as follows:\n// [ floor(color.r * 255) * 256 + color.g * 255,\n// floor(color.b * 255) * 256 + color.g * 255 ]\nvec4 decode_color(const vec2 encodedColor) {\n return vec4(\n unpack_float(encodedColor[0]) / 255.0,\n unpack_float(encodedColor[1]) / 255.0\n );\n}\n\n// Unpack a pair of paint values and interpolate between them.\nfloat unpack_mix_vec2(const vec2 packedValue, const float t) {\n return mix(packedValue[0], packedValue[1], t);\n}\n\n// Unpack a pair of paint values and interpolate between them.\nvec4 unpack_mix_vec4(const vec4 packedColors, const float t) {\n vec4 minColor = decode_color(vec2(packedColors[0], packedColors[1]));\n vec4 maxColor = decode_color(vec2(packedColors[2], packedColors[3]));\n return mix(minColor, maxColor, t);\n}\n\n// The offset depends on how many pixels are between the world origin and the edge of the tile:\n// vec2 offset = mod(pixel_coord, size)\n//\n// At high zoom levels there are a ton of pixels between the world origin and the edge of the tile.\n// The glsl spec only guarantees 16 bits of precision for highp floats. We need more than that.\n//\n// The pixel_coord is passed in as two 16 bit values:\n// pixel_coord_upper = floor(pixel_coord / 2^16)\n// pixel_coord_lower = mod(pixel_coord, 2^16)\n//\n// The offset is calculated in a series of steps that should preserve this precision:\nvec2 get_pattern_pos(const vec2 pixel_coord_upper, const vec2 pixel_coord_lower,\n const vec2 pattern_size, const float tile_units_to_pixels, const vec2 pos) {\n\n vec2 offset = mod(mod(mod(pixel_coord_upper, pattern_size) * 256.0, pattern_size) * 256.0 + pixel_coord_lower, pattern_size);\n return (tile_units_to_pixels * pos + offset) / pattern_size;\n}\n"},circle:{fragmentSource:"#pragma mapbox: define highp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define highp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec3 v_data;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize mediump float radius\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize highp vec4 stroke_color\n #pragma mapbox: initialize mediump float stroke_width\n #pragma mapbox: initialize lowp float stroke_opacity\n\n vec2 extrude = v_data.xy;\n float extrude_length = length(extrude);\n\n lowp float antialiasblur = v_data.z;\n float antialiased_blur = -max(blur, antialiasblur);\n\n float opacity_t = smoothstep(0.0, antialiased_blur, extrude_length - 1.0);\n\n float color_t = stroke_width < 0.01 ? 0.0 : smoothstep(\n antialiased_blur,\n 0.0,\n extrude_length - radius / (radius + stroke_width)\n );\n\n gl_FragColor = opacity_t * mix(color * opacity, stroke_color * stroke_opacity, color_t);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform bool u_scale_with_map;\nuniform bool u_pitch_with_map;\nuniform vec2 u_extrude_scale;\nuniform highp float u_camera_to_center_distance;\n\nattribute vec2 a_pos;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define mediump float radius\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define highp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec3 v_data;\n\nvoid main(void) {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize mediump float radius\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize highp vec4 stroke_color\n #pragma mapbox: initialize mediump float stroke_width\n #pragma mapbox: initialize lowp float stroke_opacity\n\n // unencode the extrusion vector that we snuck into the a_pos vector\n vec2 extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n // in extrusion data\n vec2 circle_center = floor(a_pos * 0.5);\n if (u_pitch_with_map) {\n vec2 corner_position = circle_center;\n if (u_scale_with_map) {\n corner_position += extrude * (radius + stroke_width) * u_extrude_scale;\n } else {\n // Pitching the circle with the map effectively scales it with the map\n // To counteract the effect for pitch-scale: viewport, we rescale the\n // whole circle based on the pitch scaling effect at its central point\n vec4 projected_center = u_matrix * vec4(circle_center, 0, 1);\n corner_position += extrude * (radius + stroke_width) * u_extrude_scale * (projected_center.w / u_camera_to_center_distance);\n }\n\n gl_Position = u_matrix * vec4(corner_position, 0, 1);\n } else {\n gl_Position = u_matrix * vec4(circle_center, 0, 1);\n\n if (u_scale_with_map) {\n gl_Position.xy += extrude * (radius + stroke_width) * u_extrude_scale * u_camera_to_center_distance;\n } else {\n gl_Position.xy += extrude * (radius + stroke_width) * u_extrude_scale * gl_Position.w;\n }\n }\n\n // This is a minimum blur distance that serves as a faux-antialiasing for\n // the circle. since blur is a ratio of the circle's size and the intent is\n // to keep the blur at roughly 1px, the two are inversely related.\n lowp float antialiasblur = 1.0 / DEVICE_PIXEL_RATIO / (radius + stroke_width);\n\n v_data = vec3(extrude.x, extrude.y, antialiasblur);\n}\n"},heatmap:{fragmentSource:"#pragma mapbox: define highp float weight\n\nuniform highp float u_intensity;\nuniform highp float u_radius;\nvarying vec2 v_extrude;\n\n// Gaussian kernel coefficient: 1 / sqrt(2 * PI)\n#define GAUSS_COEF 0.3989422804014327\n\nvoid main() {\n #pragma mapbox: initialize highp float weight\n\n // Kernel density estimation with a Gaussian kernel of size 5x5\n float d = -0.5 * 3.0 * 3.0 * dot(v_extrude, v_extrude);\n float val = weight * u_intensity * GAUSS_COEF * exp(d);\n\n gl_FragColor = vec4(val, 1.0, 1.0, 1.0);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#pragma mapbox: define highp float weight\n\nuniform mat4 u_matrix;\nuniform float u_extrude_scale;\nuniform float u_radius;\nuniform float u_opacity;\nuniform float u_intensity;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_extrude;\n\n// Effective \"0\" in the kernel density texture to adjust the kernel size to;\n// this empirically chosen number minimizes artifacts on overlapping kernels\n// for typical heatmap cases (assuming clustered source)\nconst highp float ZERO = 1.0 / 255.0 / 16.0;\n\n// Gaussian kernel coefficient: 1 / sqrt(2 * PI)\n#define GAUSS_COEF 0.3989422804014327\n\nvoid main(void) {\n #pragma mapbox: initialize highp float weight\n\n // unencode the extrusion vector that we snuck into the a_pos vector\n vec2 unscaled_extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n // This 'extrude' comes in ranging from [-1, -1], to [1, 1]. We'll use\n // it to produce the vertices of a square mesh framing the point feature\n // we're adding to the kernel density texture. We'll also pass it as\n // a varying, so that the fragment shader can determine the distance of\n // each fragment from the point feature.\n // Before we do so, we need to scale it up sufficiently so that the\n // kernel falls effectively to zero at the edge of the mesh.\n // That is, we want to know S such that\n // weight * u_intensity * GAUSS_COEF * exp(-0.5 * 3.0^2 * S^2) == ZERO\n // Which solves to:\n // S = sqrt(-2.0 * log(ZERO / (weight * u_intensity * GAUSS_COEF))) / 3.0\n float S = sqrt(-2.0 * log(ZERO / weight / u_intensity / GAUSS_COEF)) / 3.0;\n\n // Pass the varying in units of u_radius\n v_extrude = S * unscaled_extrude;\n\n // Scale by u_radius and the zoom-based scale factor to produce actual\n // mesh position\n vec2 extrude = v_extrude * u_radius * u_extrude_scale;\n\n // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n // in extrusion data\n vec4 pos = vec4(floor(a_pos * 0.5) + extrude, 0, 1);\n\n gl_Position = u_matrix * pos;\n}\n"},heatmapTexture:{fragmentSource:"uniform sampler2D u_image;\nuniform sampler2D u_color_ramp;\nuniform float u_opacity;\nvarying vec2 v_pos;\n\nvoid main() {\n float t = texture2D(u_image, v_pos).r;\n vec4 color = texture2D(u_color_ramp, vec2(t, 0.5));\n gl_FragColor = color * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(0.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_world;\nattribute vec2 a_pos;\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos * u_world, 0, 1);\n\n v_pos.x = a_pos.x;\n v_pos.y = 1.0 - a_pos.y;\n}\n"},collisionBox:{fragmentSource:"uniform float u_zoom;\n// u_maxzoom is derived from the maximum scale considered by the CollisionTile\n// Labels with placement zoom greater than this value will not be placed,\n// regardless of perspective effects.\nuniform float u_maxzoom;\nuniform sampler2D u_fadetexture;\n\n// v_max_zoom is a collision-box-specific value that controls when line-following\n// collision boxes are used.\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\nvarying float v_perspective_zoom_adjust;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n\n float alpha = 0.5;\n\n // Green = no collisions, label is showing\n gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n // Red = collision, label hidden\n if (texture2D(u_fadetexture, v_fade_tex).a < 1.0) {\n gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n }\n\n // Faded black = this collision box is not used at this zoom (for curved labels)\n if (u_zoom >= v_max_zoom + v_perspective_zoom_adjust) {\n gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n }\n\n // Faded blue = the placement scale for this label is beyond the CollisionTile\n // max scale, so it's impossible for this label to show without collision detection\n // being run again (the label's glyphs haven't even been added to the symbol bucket)\n if (v_placement_zoom >= u_maxzoom) {\n gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n }\n}\n",vertexSource:"attribute vec2 a_pos;\nattribute vec2 a_anchor_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\nuniform float u_pitch;\nuniform float u_collision_y_stretch;\nuniform float u_camera_to_center_distance;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\nvarying float v_perspective_zoom_adjust;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n vec4 projectedPoint = u_matrix * vec4(a_anchor_pos, 0, 1);\n highp float camera_to_anchor_distance = projectedPoint.w;\n highp float collision_perspective_ratio = 1.0 + 0.5 * ((camera_to_anchor_distance / u_camera_to_center_distance) - 1.0);\n\n highp float incidence_stretch = camera_to_anchor_distance / (u_camera_to_center_distance * cos(u_pitch));\n highp float collision_adjustment = max(1.0, incidence_stretch / u_collision_y_stretch);\n\n gl_Position = u_matrix * vec4(a_pos + a_extrude * collision_perspective_ratio * collision_adjustment / u_scale, 0.0, 1.0);\n\n v_max_zoom = a_data.x;\n v_placement_zoom = a_data.y;\n\n v_perspective_zoom_adjust = floor(log2(collision_perspective_ratio * collision_adjustment) * 10.0);\n v_fade_tex = vec2((v_placement_zoom + v_perspective_zoom_adjust) / 255.0, 0.0);\n}\n"},debug:{fragmentSource:"uniform highp vec4 u_color;\n\nvoid main() {\n gl_FragColor = u_color;\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n}\n"},fill:{fragmentSource:"#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float opacity\n\n gl_FragColor = color * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float opacity\n\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n}\n"},fillOutline:{fragmentSource:"#pragma mapbox: define highp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 outline_color\n #pragma mapbox: initialize lowp float opacity\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = 1.0 - smoothstep(0.0, 1.0, dist);\n gl_FragColor = outline_color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"attribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\n#pragma mapbox: define highp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 outline_color\n #pragma mapbox: initialize lowp float opacity\n\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillOutlinePattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform vec2 u_texsize;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n // find distance to outline for alpha interpolation\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = 1.0 - smoothstep(0.0, 1.0, dist);\n\n\n gl_FragColor = mix(color1, color2, u_mix) * alpha * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_world;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n\n v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform vec2 u_texsize;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n gl_FragColor = mix(color1, color2, u_mix) * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, a_pos);\n v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, a_pos);\n}\n"},fillExtrusion:{fragmentSource:"varying vec4 v_color;\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n#pragma mapbox: define highp vec4 color\n\nvoid main() {\n #pragma mapbox: initialize lowp float base\n #pragma mapbox: initialize lowp float height\n #pragma mapbox: initialize highp vec4 color\n\n gl_FragColor = v_color;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec4 v_color;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\n#pragma mapbox: define highp vec4 color\n\nvoid main() {\n #pragma mapbox: initialize lowp float base\n #pragma mapbox: initialize lowp float height\n #pragma mapbox: initialize highp vec4 color\n\n base = max(0.0, base);\n height = max(0.0, height);\n\n float ed = a_edgedistance; // use each attrib in order to not trip a VAO assert\n float t = mod(a_normal.x, 2.0);\n\n gl_Position = u_matrix * vec4(a_pos, t > 0.0 ? height : base, 1);\n\n // Relative luminance (how dark/bright is the surface color?)\n float colorvalue = color.r * 0.2126 + color.g * 0.7152 + color.b * 0.0722;\n\n v_color = vec4(0.0, 0.0, 0.0, 1.0);\n\n // Add slight ambient lighting so no extrusions are totally black\n vec4 ambientlight = vec4(0.03, 0.03, 0.03, 1.0);\n color += ambientlight;\n\n // Calculate cos(theta), where theta is the angle between surface normal and diffuse light ray\n float directional = clamp(dot(a_normal / 16384.0, u_lightpos), 0.0, 1.0);\n\n // Adjust directional so that\n // the range of values for highlight/shading is narrower\n // with lower light intensity\n // and with lighter/brighter surface colors\n directional = mix((1.0 - u_lightintensity), max((1.0 - colorvalue + u_lightintensity), 1.0), directional);\n\n // Add gradient along z axis of side surfaces\n if (a_normal.y != 0.0) {\n directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n }\n\n // Assign final color based on surface + ambient light color, diffuse light directional, and light color\n // with lower bounds adjusted to hue of light\n // so that shading is tinted with the complementary (opposite) color to the light color\n v_color.r += clamp(color.r * directional * u_lightcolor.r, mix(0.0, 0.3, 1.0 - u_lightcolor.r), 1.0);\n v_color.g += clamp(color.g * directional * u_lightcolor.g, mix(0.0, 0.3, 1.0 - u_lightcolor.g), 1.0);\n v_color.b += clamp(color.b * directional * u_lightcolor.b, mix(0.0, 0.3, 1.0 - u_lightcolor.b), 1.0);\n}\n"},fillExtrusionPattern:{fragmentSource:"uniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform vec2 u_texsize;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n #pragma mapbox: initialize lowp float base\n #pragma mapbox: initialize lowp float height\n\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n vec4 mixedColor = mix(color1, color2, u_mix);\n\n gl_FragColor = mixedColor * v_lighting;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\nuniform float u_height_factor;\n\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\n\nattribute vec2 a_pos;\nattribute vec3 a_normal;\nattribute float a_edgedistance;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\nvarying float v_directional;\n\n#pragma mapbox: define lowp float base\n#pragma mapbox: define lowp float height\n\nvoid main() {\n #pragma mapbox: initialize lowp float base\n #pragma mapbox: initialize lowp float height\n\n base = max(0.0, base);\n height = max(0.0, height);\n\n float t = mod(a_normal.x, 2.0);\n float z = t > 0.0 ? height : base;\n\n gl_Position = u_matrix * vec4(a_pos, z, 1);\n\n vec2 pos = a_normal.x == 1.0 && a_normal.y == 0.0 && a_normal.z == 16384.0\n ? a_pos // extrusion top\n : vec2(a_edgedistance, z * u_height_factor); // extrusion side\n\n v_pos_a = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_a * u_pattern_size_a, u_tile_units_to_pixels, pos);\n v_pos_b = get_pattern_pos(u_pixel_coord_upper, u_pixel_coord_lower, u_scale_b * u_pattern_size_b, u_tile_units_to_pixels, pos);\n\n v_lighting = vec4(0.0, 0.0, 0.0, 1.0);\n float directional = clamp(dot(a_normal / 16383.0, u_lightpos), 0.0, 1.0);\n directional = mix((1.0 - u_lightintensity), max((0.5 + u_lightintensity), 1.0), directional);\n\n if (a_normal.y != 0.0) {\n directional *= clamp((t + base) * pow(height / 150.0, 0.5), mix(0.7, 0.98, 1.0 - u_lightintensity), 1.0);\n }\n\n v_lighting.rgb += clamp(directional * u_lightcolor, mix(vec3(0.0), vec3(0.3), 1.0 - u_lightcolor), vec3(1.0));\n}\n"},extrusionTexture:{fragmentSource:"uniform sampler2D u_image;\nuniform float u_opacity;\nvarying vec2 v_pos;\n\nvoid main() {\n gl_FragColor = texture2D(u_image, v_pos) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(0.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_world;\nattribute vec2 a_pos;\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos * u_world, 0, 1);\n\n v_pos.x = a_pos.x;\n v_pos.y = 1.0 - a_pos.y;\n}\n"},line:{fragmentSource:"#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_width2;\nvarying vec2 v_normal;\nvarying float v_gamma_scale;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_width2.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_width2.t) or when fading out\n // (v_width2.s)\n float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\nattribute vec4 a_pos_normal;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float width\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize mediump float gapwidth\n #pragma mapbox: initialize lowp float offset\n #pragma mapbox: initialize mediump float width\n\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n vec2 pos = a_pos_normal.xy;\n\n // x is 1 if it's a round cap, 0 otherwise\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = a_pos_normal.zw;\n v_normal = normal;\n\n // these transformations used to be applied in the JS and native code bases.\n // moved them into the shader for clarity and simplicity.\n gapwidth = gapwidth / 2.0;\n float halfwidth = width / 2.0;\n offset = -1.0 * offset;\n\n float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 dist = outset * a_extrude * scale;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n // calculate how much the perspective view squishes or stretches the extrude\n float extrude_length_without_perspective = length(dist);\n float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n v_width2 = vec2(outset, inset);\n}\n"},linePattern:{fragmentSource:"uniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform vec2 u_texsize;\nuniform float u_fade;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_width2.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_width2.t) or when fading out\n // (v_width2.s)\n float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n float y_a = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_a.y);\n float y_b = 0.5 + (v_normal.y * v_width2.s / u_pattern_size_b.y);\n vec2 pos_a = mix(u_pattern_tl_a / u_texsize, u_pattern_br_a / u_texsize, vec2(x_a, y_a));\n vec2 pos_b = mix(u_pattern_tl_b / u_texsize, u_pattern_br_b / u_texsize, vec2(x_b, y_b));\n\n vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n gl_FragColor = color * alpha * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec4 a_pos_normal;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define mediump float width\n\nvoid main() {\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize lowp float offset\n #pragma mapbox: initialize mediump float gapwidth\n #pragma mapbox: initialize mediump float width\n\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n vec2 pos = a_pos_normal.xy;\n\n // x is 1 if it's a round cap, 0 otherwise\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = a_pos_normal.zw;\n v_normal = normal;\n\n // these transformations used to be applied in the JS and native code bases.\n // moved them into the shader for clarity and simplicity.\n gapwidth = gapwidth / 2.0;\n float halfwidth = width / 2.0;\n offset = -1.0 * offset;\n\n float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 dist = outset * a_extrude * scale;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n // calculate how much the perspective view squishes or stretches the extrude\n float extrude_length_without_perspective = length(dist);\n float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n v_linesofar = a_linesofar;\n v_width2 = vec2(outset, inset);\n}\n"},lineSDF:{fragmentSource:"\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float width\n#pragma mapbox: define lowp float floorwidth\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize mediump float width\n #pragma mapbox: initialize lowp float floorwidth\n\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_width2.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_width2.t) or when fading out\n // (v_width2.s)\n float blur2 = (blur + 1.0 / DEVICE_PIXEL_RATIO) * v_gamma_scale;\n float alpha = clamp(min(dist - (v_width2.t - blur2), v_width2.s - dist) / blur2, 0.0, 1.0);\n\n float sdfdist_a = texture2D(u_image, v_tex_a).a;\n float sdfdist_b = texture2D(u_image, v_tex_b).a;\n float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n alpha *= smoothstep(0.5 - u_sdfgamma / floorwidth, 0.5 + u_sdfgamma / floorwidth, sdfdist);\n\n gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\n// the distance over which the line edge fades out.\n// Retina devices need a smaller distance to avoid aliasing.\n#define ANTIALIASING 1.0 / DEVICE_PIXEL_RATIO / 2.0\n\nattribute vec4 a_pos_normal;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform vec2 u_gl_units_to_pixels;\n\nvarying vec2 v_normal;\nvarying vec2 v_width2;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define highp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define mediump float gapwidth\n#pragma mapbox: define lowp float offset\n#pragma mapbox: define mediump float width\n#pragma mapbox: define lowp float floorwidth\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 color\n #pragma mapbox: initialize lowp float blur\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize mediump float gapwidth\n #pragma mapbox: initialize lowp float offset\n #pragma mapbox: initialize mediump float width\n #pragma mapbox: initialize lowp float floorwidth\n\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n vec2 pos = a_pos_normal.xy;\n\n // x is 1 if it's a round cap, 0 otherwise\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = a_pos_normal.zw;\n v_normal = normal;\n\n // these transformations used to be applied in the JS and native code bases.\n // moved them into the shader for clarity and simplicity.\n gapwidth = gapwidth / 2.0;\n float halfwidth = width / 2.0;\n offset = -1.0 * offset;\n\n float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n float outset = gapwidth + halfwidth * (gapwidth > 0.0 ? 2.0 : 1.0) + ANTIALIASING;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 dist =outset * a_extrude * scale;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset2 = offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n vec4 projected_extrude = u_matrix * vec4(dist / u_ratio, 0.0, 0.0);\n gl_Position = u_matrix * vec4(pos + offset2 / u_ratio, 0.0, 1.0) + projected_extrude;\n\n // calculate how much the perspective view squishes or stretches the extrude\n float extrude_length_without_perspective = length(dist);\n float extrude_length_with_perspective = length(projected_extrude.xy / gl_Position.w * u_gl_units_to_pixels);\n v_gamma_scale = extrude_length_without_perspective / extrude_length_with_perspective;\n\n v_tex_a = vec2(a_linesofar * u_patternscale_a.x / floorwidth, normal.y * u_patternscale_a.y + u_tex_y_a);\n v_tex_b = vec2(a_linesofar * u_patternscale_b.x / floorwidth, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n v_width2 = vec2(outset, inset);\n}\n"},raster:{fragmentSource:"uniform float u_fade_t;\nuniform float u_opacity;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n // read and cross-fade colors from the main and parent tiles\n vec4 color0 = texture2D(u_image0, v_pos0);\n vec4 color1 = texture2D(u_image1, v_pos1);\n if (color0.a > 0.0) {\n color0.rgb = color0.rgb / color0.a;\n }\n if (color1.a > 0.0) {\n color1.rgb = color1.rgb / color1.a;\n }\n vec4 color = mix(color0, color1, u_fade_t);\n color.a *= u_opacity;\n vec3 rgb = color.rgb;\n\n // spin\n rgb = vec3(\n dot(rgb, u_spin_weights.xyz),\n dot(rgb, u_spin_weights.zxy),\n dot(rgb, u_spin_weights.yzx));\n\n // saturation\n float average = (color.r + color.g + color.b) / 3.0;\n rgb += (average - rgb) * u_saturation_factor;\n\n // contrast\n rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n // brightness\n vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb) * color.a, color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n // We are using Int16 for texture position coordinates to give us enough precision for\n // fractional coordinates. We use 8192 to scale the texture coordinates in the buffer\n // as an arbitrarily high number to preserve adequate precision when rendering.\n // This is also the same value as the EXTENT we are using for our tile buffer pos coordinates,\n // so math for modifying either is consistent.\n v_pos0 = (((a_texture_pos / 8192.0) - 0.5) / u_buffer_scale ) + 0.5;\n v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},symbolIcon:{fragmentSource:"uniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\n\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * opacity;\n gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"const float PI = 3.141592653589793;\n\nattribute vec4 a_pos_offset;\nattribute vec4 a_data;\nattribute vec3 a_projected_pos;\n\nuniform bool u_is_size_zoom_constant;\nuniform bool u_is_size_feature_constant;\nuniform highp float u_size_t; // used to interpolate between zoom stops when size is a composite function\nuniform highp float u_size; // used when size is both zoom and feature constant\nuniform highp float u_camera_to_center_distance;\nuniform highp float u_pitch;\nuniform bool u_rotate_symbol;\nuniform highp float u_aspect_ratio;\nuniform highp float u_collision_y_stretch;\n\n#pragma mapbox: define lowp float opacity\n\nuniform mat4 u_matrix;\nuniform mat4 u_label_plane_matrix;\nuniform mat4 u_gl_coord_matrix;\n\nuniform bool u_is_text;\nuniform bool u_pitch_with_map;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n #pragma mapbox: initialize lowp float opacity\n\n vec2 a_pos = a_pos_offset.xy;\n vec2 a_offset = a_pos_offset.zw;\n\n vec2 a_tex = a_data.xy;\n vec2 a_size = a_data.zw;\n\n highp vec2 angle_labelminzoom = unpack_float(a_projected_pos[2]);\n highp float segment_angle = -angle_labelminzoom[0] / 255.0 * 2.0 * PI;\n mediump float a_labelminzoom = angle_labelminzoom[1];\n\n float size;\n if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = mix(a_size[0], a_size[1], u_size_t) / 10.0;\n } else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = a_size[0] / 10.0;\n } else if (!u_is_size_zoom_constant && u_is_size_feature_constant) {\n size = u_size;\n } else {\n size = u_size;\n }\n\n vec4 projectedPoint = u_matrix * vec4(a_pos, 0, 1);\n highp float camera_to_anchor_distance = projectedPoint.w;\n // See comments in symbol_sdf.vertex\n highp float distance_ratio = u_pitch_with_map ?\n camera_to_anchor_distance / u_camera_to_center_distance :\n u_camera_to_center_distance / camera_to_anchor_distance;\n highp float perspective_ratio = 0.5 + 0.5 * distance_ratio;\n\n size *= perspective_ratio;\n\n float fontScale = u_is_text ? size / 24.0 : size;\n\n highp float symbol_rotation = 0.0;\n if (u_rotate_symbol) {\n // See comments in symbol_sdf.vertex\n vec4 offsetProjectedPoint = u_matrix * vec4(a_pos + vec2(1, 0), 0, 1);\n\n vec2 a = projectedPoint.xy / projectedPoint.w;\n vec2 b = offsetProjectedPoint.xy / offsetProjectedPoint.w;\n\n symbol_rotation = atan((b.y - a.y) / u_aspect_ratio, b.x - a.x);\n }\n\n highp float angle_sin = sin(segment_angle + symbol_rotation);\n highp float angle_cos = cos(segment_angle + symbol_rotation);\n mat2 rotation_matrix = mat2(angle_cos, -1.0 * angle_sin, angle_sin, angle_cos);\n\n vec4 projected_pos = u_label_plane_matrix * vec4(a_projected_pos.xy, 0.0, 1.0);\n gl_Position = u_gl_coord_matrix * vec4(projected_pos.xy / projected_pos.w + rotation_matrix * (a_offset / 64.0 * fontScale), 0.0, 1.0);\n\n v_tex = a_tex / u_texsize;\n // See comments in symbol_sdf.vertex\n highp float incidence_stretch = camera_to_anchor_distance / (u_camera_to_center_distance * cos(u_pitch));\n highp float collision_adjustment = max(1.0, incidence_stretch / u_collision_y_stretch);\n\n highp float collision_perspective_ratio = 1.0 + 0.5*((camera_to_anchor_distance / u_camera_to_center_distance) - 1.0);\n highp float perspective_zoom_adjust = floor(log2(collision_perspective_ratio * collision_adjustment) * 10.0);\n v_fade_tex = vec2((a_labelminzoom + perspective_zoom_adjust) / 255.0, 0.0);\n}\n"},symbolSDF:{fragmentSource:"#define SDF_PX 8.0\n#define EDGE_GAMMA 0.105/DEVICE_PIXEL_RATIO\n\nuniform bool u_is_halo;\n#pragma mapbox: define highp vec4 fill_color\n#pragma mapbox: define highp vec4 halo_color\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float halo_width\n#pragma mapbox: define lowp float halo_blur\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform highp float u_gamma_scale;\nuniform bool u_is_text;\n\nvarying vec4 v_data0;\nvarying vec2 v_data1;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 fill_color\n #pragma mapbox: initialize highp vec4 halo_color\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize lowp float halo_width\n #pragma mapbox: initialize lowp float halo_blur\n\n vec2 tex = v_data0.xy;\n vec2 fade_tex = v_data0.zw;\n float gamma_scale = v_data1.x;\n float size = v_data1.y;\n\n float fontScale = u_is_text ? size / 24.0 : size;\n\n lowp vec4 color = fill_color;\n highp float gamma = EDGE_GAMMA / (fontScale * u_gamma_scale);\n lowp float buff = (256.0 - 64.0) / 256.0;\n if (u_is_halo) {\n color = halo_color;\n gamma = (halo_blur * 1.19 / SDF_PX + EDGE_GAMMA) / (fontScale * u_gamma_scale);\n buff = (6.0 - halo_width / fontScale) / SDF_PX;\n }\n\n lowp float dist = texture2D(u_texture, tex).a;\n lowp float fade_alpha = texture2D(u_fadetexture, fade_tex).a;\n highp float gamma_scaled = gamma * gamma_scale;\n highp float alpha = smoothstep(buff - gamma_scaled, buff + gamma_scaled, dist) * fade_alpha;\n\n gl_FragColor = color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"const float PI = 3.141592653589793;\n\nattribute vec4 a_pos_offset;\nattribute vec4 a_data;\nattribute vec3 a_projected_pos;\n\n// contents of a_size vary based on the type of property value\n// used for {text,icon}-size.\n// For constants, a_size is disabled.\n// For source functions, we bind only one value per vertex: the value of {text,icon}-size evaluated for the current feature.\n// For composite functions:\n// [ text-size(lowerZoomStop, feature),\n// text-size(upperZoomStop, feature) ]\nuniform bool u_is_size_zoom_constant;\nuniform bool u_is_size_feature_constant;\nuniform highp float u_size_t; // used to interpolate between zoom stops when size is a composite function\nuniform highp float u_size; // used when size is both zoom and feature constant\n\n#pragma mapbox: define highp vec4 fill_color\n#pragma mapbox: define highp vec4 halo_color\n#pragma mapbox: define lowp float opacity\n#pragma mapbox: define lowp float halo_width\n#pragma mapbox: define lowp float halo_blur\n\nuniform mat4 u_matrix;\nuniform mat4 u_label_plane_matrix;\nuniform mat4 u_gl_coord_matrix;\n\nuniform bool u_is_text;\nuniform bool u_pitch_with_map;\nuniform highp float u_pitch;\nuniform bool u_rotate_symbol;\nuniform highp float u_aspect_ratio;\nuniform highp float u_camera_to_center_distance;\nuniform highp float u_collision_y_stretch;\n\nuniform vec2 u_texsize;\n\nvarying vec4 v_data0;\nvarying vec2 v_data1;\n\nvoid main() {\n #pragma mapbox: initialize highp vec4 fill_color\n #pragma mapbox: initialize highp vec4 halo_color\n #pragma mapbox: initialize lowp float opacity\n #pragma mapbox: initialize lowp float halo_width\n #pragma mapbox: initialize lowp float halo_blur\n\n vec2 a_pos = a_pos_offset.xy;\n vec2 a_offset = a_pos_offset.zw;\n\n vec2 a_tex = a_data.xy;\n vec2 a_size = a_data.zw;\n\n highp vec2 angle_labelminzoom = unpack_float(a_projected_pos[2]);\n highp float segment_angle = -angle_labelminzoom[0] / 255.0 * 2.0 * PI;\n mediump float a_labelminzoom = angle_labelminzoom[1];\n float size;\n\n if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = mix(a_size[0], a_size[1], u_size_t) / 10.0;\n } else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {\n size = a_size[0] / 10.0;\n } else if (!u_is_size_zoom_constant && u_is_size_feature_constant) {\n size = u_size;\n } else {\n size = u_size;\n }\n\n vec4 projectedPoint = u_matrix * vec4(a_pos, 0, 1);\n highp float camera_to_anchor_distance = projectedPoint.w;\n // If the label is pitched with the map, layout is done in pitched space,\n // which makes labels in the distance smaller relative to viewport space.\n // We counteract part of that effect by multiplying by the perspective ratio.\n // If the label isn't pitched with the map, we do layout in viewport space,\n // which makes labels in the distance larger relative to the features around\n // them. We counteract part of that effect by dividing by the perspective ratio.\n highp float distance_ratio = u_pitch_with_map ?\n camera_to_anchor_distance / u_camera_to_center_distance :\n u_camera_to_center_distance / camera_to_anchor_distance;\n highp float perspective_ratio = 0.5 + 0.5 * distance_ratio;\n\n size *= perspective_ratio;\n\n float fontScale = u_is_text ? size / 24.0 : size;\n\n highp float symbol_rotation = 0.0;\n if (u_rotate_symbol) {\n // Point labels with 'rotation-alignment: map' are horizontal with respect to tile units\n // To figure out that angle in projected space, we draw a short horizontal line in tile\n // space, project it, and measure its angle in projected space.\n vec4 offsetProjectedPoint = u_matrix * vec4(a_pos + vec2(1, 0), 0, 1);\n\n vec2 a = projectedPoint.xy / projectedPoint.w;\n vec2 b = offsetProjectedPoint.xy / offsetProjectedPoint.w;\n\n symbol_rotation = atan((b.y - a.y) / u_aspect_ratio, b.x - a.x);\n }\n\n highp float angle_sin = sin(segment_angle + symbol_rotation);\n highp float angle_cos = cos(segment_angle + symbol_rotation);\n mat2 rotation_matrix = mat2(angle_cos, -1.0 * angle_sin, angle_sin, angle_cos);\n\n vec4 projected_pos = u_label_plane_matrix * vec4(a_projected_pos.xy, 0.0, 1.0);\n gl_Position = u_gl_coord_matrix * vec4(projected_pos.xy / projected_pos.w + rotation_matrix * (a_offset / 64.0 * fontScale), 0.0, 1.0);\n float gamma_scale = gl_Position.w;\n\n vec2 tex = a_tex / u_texsize;\n // incidence_stretch is the ratio of how much y space a label takes up on a tile while drawn perpendicular to the viewport vs\n // how much space it would take up if it were drawn flat on the tile\n // Using law of sines, camera_to_anchor/sin(ground_angle) = camera_to_center/sin(incidence_angle)\n // sin(incidence_angle) = 1/incidence_stretch\n // Incidence angle 90 -> head on, sin(incidence_angle) = 1, no incidence stretch\n // Incidence angle 1 -> very oblique, sin(incidence_angle) =~ 0, lots of incidence stretch\n // ground_angle = u_pitch + PI/2 -> sin(ground_angle) = cos(u_pitch)\n // This 2D calculation is only exactly correct when gl_Position.x is in the center of the viewport,\n // but it's a close enough approximation for our purposes\n highp float incidence_stretch = camera_to_anchor_distance / (u_camera_to_center_distance * cos(u_pitch));\n // incidence_stretch only applies to the y-axis, but without re-calculating the collision tile, we can't\n // adjust the size of only one axis. So, we do a crude approximation at placement time to get the aspect ratio\n // about right, and then do the rest of the adjustment here: there will be some extra padding on the x-axis,\n // but hopefully not too much.\n // Never make the adjustment less than 1.0: instead of allowing collisions on the x-axis, be conservative on\n // the y-axis.\n highp float collision_adjustment = max(1.0, incidence_stretch / u_collision_y_stretch);\n\n // Floor to 1/10th zoom to dodge precision issues that can cause partially hidden labels\n highp float collision_perspective_ratio = 1.0 + 0.5*((camera_to_anchor_distance / u_camera_to_center_distance) - 1.0);\n highp float perspective_zoom_adjust = floor(log2(collision_perspective_ratio * collision_adjustment) * 10.0);\n vec2 fade_tex = vec2((a_labelminzoom + perspective_zoom_adjust) / 255.0, 0.0);\n\n v_data0 = vec4(tex.x, tex.y, fade_tex.x, fade_tex.y);\n v_data1 = vec2(gamma_scale, size);\n}\n"}},re=/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g;for(var programName in shaders)!function(e){var n=shaders[programName],a={};n.fragmentSource=n.fragmentSource.replace(re,function(e,n,t,o,i){return a[i]=!0,"define"===n?"\n#ifndef HAS_UNIFORM_u_"+i+"\nvarying "+t+" "+o+" "+i+";\n#else\nuniform "+t+" "+o+" u_"+i+";\n#endif\n":"\n#ifdef HAS_UNIFORM_u_"+i+"\n "+t+" "+o+" "+i+" = u_"+i+";\n#endif\n"}),n.vertexSource=n.vertexSource.replace(re,function(e,n,t,o,i){var r="float"===o?"vec2":"vec4";return a[i]?"define"===n?"\n#ifndef HAS_UNIFORM_u_"+i+"\nuniform lowp float a_"+i+"_t;\nattribute "+t+" "+r+" a_"+i+";\nvarying "+t+" "+o+" "+i+";\n#else\nuniform "+t+" "+o+" u_"+i+";\n#endif\n":"\n#ifndef HAS_UNIFORM_u_"+i+"\n "+i+" = unpack_mix_"+r+"(a_"+i+", a_"+i+"_t);\n#else\n "+t+" "+o+" "+i+" = u_"+i+";\n#endif\n":"define"===n?"\n#ifndef HAS_UNIFORM_u_"+i+"\nuniform lowp float a_"+i+"_t;\nattribute "+t+" "+r+" a_"+i+";\n#else\nuniform "+t+" "+o+" u_"+i+";\n#endif\n":"\n#ifndef HAS_UNIFORM_u_"+i+"\n "+t+" "+o+" "+i+" = unpack_mix_"+r+"(a_"+i+", a_"+i+"_t);\n#else\n "+t+" "+o+" "+i+" = u_"+i+";\n#endif\n"})}();module.exports=shaders},{}],99:[function(_dereq_,module,exports){"use strict";var ImageSource=_dereq_("./image_source"),window=_dereq_("../util/window"),CanvasSource=function(t){function i(i,a,s,n){t.call(this,i,a,s,n),this.options=a,this.animate=void 0===a.animate||a.animate}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.load=function(){if(this.canvas=this.canvas||window.document.getElementById(this.options.canvas),this.width=this.canvas.width,this.height=this.canvas.height,this._hasInvalidDimensions())return this.fire("error",new Error("Canvas dimensions cannot be less than or equal to zero."));var t;this.play=function(){void 0===t&&(t=this.map.style.animationLoop.set(1/0),this.map._rerender())},this.pause=function(){void 0!==t&&(t=this.map.style.animationLoop.cancel(t))},this._finishLoading()},i.prototype.getCanvas=function(){return this.canvas},i.prototype.onAdd=function(t){this.map=t,this.load(),this.canvas&&this.animate&&this.play()},i.prototype.onRemove=function(){this.pause()},i.prototype.prepare=function(){var t=!1;this.canvas.width!==this.width&&(this.width=this.canvas.width,t=!0),this.canvas.height!==this.height&&(this.height=this.canvas.height,t=!0),this._hasInvalidDimensions()||0!==Object.keys(this.tiles).length&&this._prepareImage(this.map.painter.gl,this.canvas,t)},i.prototype.serialize=function(){return{type:"canvas",canvas:this.canvas,coordinates:this.coordinates}},i.prototype._hasInvalidDimensions=function(){for(var i=0,a=[this.canvas.width,this.canvas.height];i<a.length;i+=1){var s=a[i];if(isNaN(s)||s<=0)return!0}return!1},i}(ImageSource);module.exports=CanvasSource},{"../util/window":233,"./image_source":103}],100:[function(_dereq_,module,exports){"use strict";var Evented=_dereq_("../util/evented"),util=_dereq_("../util/util"),window=_dereq_("../util/window"),EXTENT=_dereq_("../data/extent"),ResourceType=_dereq_("../util/ajax").ResourceType,browser=_dereq_("../util/browser"),GeoJSONSource=function(t){function e(e,o,r,i){t.call(this),this.id=e,this.type="geojson",this.minzoom=0,this.maxzoom=18,this.tileSize=512,this.isTileClipped=!0,this.reparseOverscaled=!0,this.dispatcher=r,this.setEventedParent(i),this._data=o.data,this._options=util.extend({},o),void 0!==o.maxzoom&&(this.maxzoom=o.maxzoom),o.type&&(this.type=o.type);var a=EXTENT/this.tileSize;this.workerOptions=util.extend({source:this.id,cluster:o.cluster||!1,geojsonVtOptions:{buffer:(void 0!==o.buffer?o.buffer:128)*a,tolerance:(void 0!==o.tolerance?o.tolerance:.375)*a,extent:EXTENT,maxZoom:this.maxzoom},superclusterOptions:{maxZoom:void 0!==o.clusterMaxZoom?Math.min(o.clusterMaxZoom,this.maxzoom-1):this.maxzoom-1,extent:EXTENT,radius:(o.clusterRadius||50)*a,log:!1}},o.workerOptions)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.load=function(){var t=this;this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(e){e?t.fire("error",{error:e}):t.fire("data",{dataType:"source",sourceDataType:"metadata"})})},e.prototype.onAdd=function(t){this.map=t,this.load()},e.prototype.setData=function(t){var e=this;return this._data=t,this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){if(t)return e.fire("error",{error:t});e.fire("data",{dataType:"source",sourceDataType:"content"})}),this},e.prototype._updateWorkerData=function(t){var e=this,o=util.extend({},this.workerOptions),r=this._data;"string"==typeof r?o.request=this.map._transformRequest(function(t){var e=window.document.createElement("a");return e.href=t,e.href}(r),ResourceType.Source):o.data=JSON.stringify(r),this.workerID=this.dispatcher.send(this.type+".loadData",o,function(o){e._loaded=!0,t(o)},this.workerID)},e.prototype.loadTile=function(t,e){var o=this,r=void 0===t.workerID||"expired"===t.state?"loadTile":"reloadTile",i={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,pixelRatio:browser.devicePixelRatio,overscaling:t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,angle:this.map.transform.angle,pitch:this.map.transform.pitch,cameraToCenterDistance:this.map.transform.cameraToCenterDistance,cameraToTileDistance:this.map.transform.cameraToTileDistance(t),showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send(r,i,function(r,i){if(t.unloadVectorData(),!t.aborted)return r?e(r):(t.loadVectorData(i,o.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(o)),e(null))},this.workerID)},e.prototype.abortTile=function(t){t.aborted=!0},e.prototype.unloadTile=function(t){t.unloadVectorData(),this.dispatcher.send("removeTile",{uid:t.uid,type:this.type,source:this.id},function(){},t.workerID)},e.prototype.onRemove=function(){this.dispatcher.broadcast("removeSource",{type:this.type,source:this.id},function(){})},e.prototype.serialize=function(){return util.extend({},this._options,{type:this.type,data:this._data})},e}(Evented);module.exports=GeoJSONSource},{"../data/extent":58,"../util/ajax":230,"../util/browser":231,"../util/evented":239,"../util/util":252,"../util/window":233}],101:[function(_dereq_,module,exports){"use strict";var ajax=_dereq_("../util/ajax"),rewind=_dereq_("geojson-rewind"),GeoJSONWrapper=_dereq_("./geojson_wrapper"),vtpbf=_dereq_("vt-pbf"),supercluster=_dereq_("supercluster"),geojsonvt=_dereq_("geojson-vt"),GeoJSONWorkerSource=function(e){function r(r,t,o){e.call(this,r,t,function(e,r){var t=e.source,o=e.coord;if(!this._geoJSONIndexes[t])return r(null,null);var n=this._geoJSONIndexes[t].getTile(Math.min(o.z,e.maxZoom),o.x,o.y);if(!n)return r(null,null);var u=new GeoJSONWrapper(n.features),i=vtpbf(u);0===i.byteOffset&&i.byteLength===i.buffer.byteLength||(i=new Uint8Array(i)),r(null,{vectorTile:u,rawData:i.buffer})}),o&&(this.loadGeoJSON=o),this._geoJSONIndexes={}}return e&&(r.__proto__=e),r.prototype=Object.create(e&&e.prototype),r.prototype.constructor=r,r.prototype.loadData=function(e,r){var t=this;this.loadGeoJSON(e,function(o,n){if(o||!n)return r(o);if("object"!=typeof n)return r(new Error("Input data is not a valid GeoJSON object."));rewind(n,!0);try{t._geoJSONIndexes[e.source]=e.cluster?supercluster(e.superclusterOptions).load(n.features):geojsonvt(n,e.geojsonVtOptions)}catch(o){return r(o)}t.loaded[e.source]={},r(null)})},r.prototype.reloadTile=function(r,t){var o=this.loaded[r.source],n=r.uid;return o&&o[n]?e.prototype.reloadTile.call(this,r,t):this.loadTile(r,t)},r.prototype.loadGeoJSON=function(e,r){if(e.request)ajax.getJSON(e.request,r);else{if("string"!=typeof e.data)return r(new Error("Input data is not a valid GeoJSON object."));try{return r(null,JSON.parse(e.data))}catch(e){return r(new Error("Input data is not a valid GeoJSON object."))}}},r.prototype.removeSource=function(e){this._geoJSONIndexes[e.source]&&delete this._geoJSONIndexes[e.source]},r}(_dereq_("./vector_tile_worker_source"));module.exports=GeoJSONWorkerSource},{"../util/ajax":230,"./geojson_wrapper":102,"./vector_tile_worker_source":115,"geojson-rewind":14,"geojson-vt":18,supercluster:41,"vt-pbf":46}],102:[function(_dereq_,module,exports){"use strict";var Point=_dereq_("@mapbox/point-geometry"),toGeoJSON=_dereq_("@mapbox/vector-tile").VectorTileFeature.prototype.toGeoJSON,EXTENT=_dereq_("../data/extent"),FeatureWrapper=function(e){this._feature=e,this.extent=EXTENT,this.type=e.type,this.properties=e.tags,"id"in e&&!isNaN(e.id)&&(this.id=parseInt(e.id,10))};FeatureWrapper.prototype.loadGeometry=function(){if(1===this._feature.type){for(var t=[],r=0,o=this._feature.geometry;r<o.length;r+=1){var a=o[r];t.push([new Point(a[0],a[1])])}return t}for(var i=[],p=0,n=this._feature.geometry;p<n.length;p+=1){for(var u=[],h=0,f=n[p];h<f.length;h+=1){var l=f[h];u.push(new Point(l[0],l[1]))}i.push(u)}return i},FeatureWrapper.prototype.toGeoJSON=function(e,t,r){return toGeoJSON.call(this,e,t,r)};var GeoJSONWrapper=function(e){this.layers={_geojsonTileLayer:this},this.name="_geojsonTileLayer",this.extent=EXTENT,this.length=e.length,this._features=e};GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this._features[e])},module.exports=GeoJSONWrapper},{"../data/extent":58,"@mapbox/point-geometry":2,"@mapbox/vector-tile":6}],103:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),window=_dereq_("../util/window"),TileCoord=_dereq_("./tile_coord"),LngLat=_dereq_("../geo/lng_lat"),Point=_dereq_("@mapbox/point-geometry"),Evented=_dereq_("../util/evented"),ajax=_dereq_("../util/ajax"),browser=_dereq_("../util/browser"),EXTENT=_dereq_("../data/extent"),RasterBoundsArray=_dereq_("../data/raster_bounds_array"),VertexBuffer=_dereq_("../gl/vertex_buffer"),VertexArrayObject=_dereq_("../render/vertex_array_object"),Texture=_dereq_("../render/texture"),ImageSource=function(t){function e(e,r,o,i){t.call(this),this.id=e,this.dispatcher=o,this.coordinates=r.coordinates,this.type="image",this.minzoom=0,this.maxzoom=22,this.tileSize=512,this.tiles={},this.setEventedParent(i),this.options=r,this.textureLoaded=!1}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.load=function(){var t=this;this.fire("dataloading",{dataType:"source"}),this.url=this.options.url,ajax.getImage(this.map._transformRequest(this.url,ajax.ResourceType.Image),function(e,r){e?t.fire("error",{error:e}):r&&(t.image=browser.getImageData(r),t._finishLoading())})},e.prototype._finishLoading=function(){this.map&&(this.setCoordinates(this.coordinates),this.fire("data",{dataType:"source",sourceDataType:"metadata"}))},e.prototype.onAdd=function(t){this.map=t,this.load()},e.prototype.setCoordinates=function(t){this.coordinates=t;var e=this.map,r=t.map(function(t){return e.transform.locationCoordinate(LngLat.convert(t)).zoomTo(0)}),o=this.centerCoord=util.getCoordinatesCenter(r);o.column=Math.floor(o.column),o.row=Math.floor(o.row),this.coord=new TileCoord(o.zoom,o.column,o.row),this.minzoom=this.maxzoom=o.zoom;var i=r.map(function(t){var e=t.zoomTo(o.zoom);return new Point(Math.round((e.column-o.column)*EXTENT),Math.round((e.row-o.row)*EXTENT))});return this._boundsArray=new RasterBoundsArray,this._boundsArray.emplaceBack(i[0].x,i[0].y,0,0),this._boundsArray.emplaceBack(i[1].x,i[1].y,EXTENT,0),this._boundsArray.emplaceBack(i[3].x,i[3].y,0,EXTENT),this._boundsArray.emplaceBack(i[2].x,i[2].y,EXTENT,EXTENT),this.boundsBuffer&&(this.boundsBuffer.destroy(),delete this.boundsBuffer),this.fire("data",{dataType:"source",sourceDataType:"content"}),this},e.prototype.prepare=function(){0!==Object.keys(this.tiles).length&&this.image&&this._prepareImage(this.map.painter.gl,this.image)},e.prototype._prepareImage=function(t,e,r){var o=this;this.boundsBuffer||(this.boundsBuffer=new VertexBuffer(t,this._boundsArray)),this.boundsVAO||(this.boundsVAO=new VertexArrayObject),this.textureLoaded?r?this.texture.update(e):(e instanceof window.HTMLVideoElement||e instanceof window.ImageData||e instanceof window.HTMLCanvasElement)&&(this.texture.bind(t.LINEAR,t.CLAMP_TO_EDGE),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,e)):(this.textureLoaded=!0,this.texture=new Texture(t,e,t.RGBA),this.texture.bind(t.LINEAR,t.CLAMP_TO_EDGE));for(var i in o.tiles){var a=o.tiles[i];"loaded"!==a.state&&(a.state="loaded",a.texture=o.texture)}},e.prototype.loadTile=function(t,e){this.coord&&this.coord.toString()===t.coord.toString()?(this.tiles[String(t.coord.w)]=t,t.buckets={},e(null)):(t.state="errored",e(null))},e.prototype.serialize=function(){return{type:"image",url:this.options.url,coordinates:this.coordinates}},e}(Evented);module.exports=ImageSource},{"../data/extent":58,"../data/raster_bounds_array":64,"../geo/lng_lat":68,"../gl/vertex_buffer":72,"../render/texture":94,"../render/vertex_array_object":96,"../util/ajax":230,"../util/browser":231,"../util/evented":239,"../util/util":252,"../util/window":233,"./tile_coord":113,"@mapbox/point-geometry":2}],104:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),ajax=_dereq_("../util/ajax"),browser=_dereq_("../util/browser"),normalizeURL=_dereq_("../util/mapbox").normalizeSourceURL;module.exports=function(r,e,o){var u=function(r,e){if(r)return o(r);if(e){var u=util.pick(e,["tiles","minzoom","maxzoom","attribution","mapbox_logo","bounds"]);e.vector_layers&&(u.vectorLayers=e.vector_layers,u.vectorLayerIds=u.vectorLayers.map(function(r){return r.id})),o(null,u)}};r.url?ajax.getJSON(e(normalizeURL(r.url),ajax.ResourceType.Source),u):browser.frame(function(){return u(null,r)})}},{"../util/ajax":230,"../util/browser":231,"../util/mapbox":246,"../util/util":252}],105:[function(_dereq_,module,exports){"use strict";var EXTENT=_dereq_("../data/extent");module.exports=function(e,t,r){return t*(EXTENT/(e.tileSize*Math.pow(2,r-e.coord.z)))}},{"../data/extent":58}],106:[function(_dereq_,module,exports){"use strict";var TileCoord=_dereq_("./tile_coord");exports.rendered=function(e,r,o,t,n,u){var a=e.tilesIn(o);a.sort(function(e,r){var o=e.coord,t=r.coord;return o.z-t.z||o.y-t.y||o.w-t.w||o.x-t.x});for(var d=[],s=0,i=a;s<i.length;s+=1){var l=i[s];d.push({wrappedTileID:l.coord.wrapped().id,queryResults:l.tile.queryRenderedFeatures(r,l.queryGeometry,l.scale,t,u)})}return function(e){for(var r={},o={},t=0,n=e;t<n.length;t+=1){var u=n[t],a=u.queryResults,d=u.wrappedTileID,s=o[d]=o[d]||{};for(var i in a)for(var l=a[i],c=s[i]=s[i]||{},f=r[i]=r[i]||[],v=0,y=l;v<y.length;v+=1){var p=y[v];c[p.featureIndex]||(c[p.featureIndex]=!0,f.push(p.feature))}}return r}(d)},exports.source=function(e,r){for(var o=e.getRenderableIds().map(function(r){return e.getTileByID(r)}),t=[],n={},u=0;u<o.length;u++){var a=o[u],d=new TileCoord(Math.min(a.sourceMaxZoom,a.coord.z),a.coord.x,a.coord.y,0).id;n[d]||(n[d]=!0,a.querySourceFeatures(t,r))}return t}},{"./tile_coord":113}],107:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),ajax=_dereq_("../util/ajax"),Evented=_dereq_("../util/evented"),loadTileJSON=_dereq_("./load_tilejson"),normalizeURL=_dereq_("../util/mapbox").normalizeTileURL,TileBounds=_dereq_("./tile_bounds"),Texture=_dereq_("../render/texture"),RasterTileSource=function(e){function t(t,i,r,o){e.call(this),this.id=t,this.dispatcher=r,this.setEventedParent(o),this.type="raster",this.minzoom=0,this.maxzoom=22,this.roundZoom=!0,this.scheme="xyz",this.tileSize=512,this._loaded=!1,this._options=util.extend({},i),util.extend(this,util.pick(i,["url","scheme","tileSize"]))}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this;this.fire("dataloading",{dataType:"source"}),loadTileJSON(this._options,this.map._transformRequest,function(t,i){t?e.fire("error",t):i&&(util.extend(e,i),i.bounds&&(e.tileBounds=new TileBounds(i.bounds,e.minzoom,e.maxzoom)),e.fire("data",{dataType:"source",sourceDataType:"metadata"}),e.fire("data",{dataType:"source",sourceDataType:"content"}))})},t.prototype.onAdd=function(e){this.map=e,this.load()},t.prototype.serialize=function(){return util.extend({},this._options)},t.prototype.hasTile=function(e){return!this.tileBounds||this.tileBounds.contains(e,this.maxzoom)},t.prototype.loadTile=function(e,t){var i=this,r=normalizeURL(e.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);e.request=ajax.getImage(this.map._transformRequest(r,ajax.ResourceType.Tile),function(r,o){if(delete e.request,e.aborted)e.state="unloaded",t(null);else if(r)e.state="errored",t(r);else if(o){i.map._refreshExpiredTiles&&e.setExpiryData(o),delete o.cacheControl,delete o.expires;var a=i.map.painter.gl;e.texture=i.map.painter.getTileTexture(o.width),e.texture?(e.texture.bind(a.LINEAR,a.CLAMP_TO_EDGE,a.LINEAR_MIPMAP_NEAREST),a.texSubImage2D(a.TEXTURE_2D,0,0,0,a.RGBA,a.UNSIGNED_BYTE,o)):(e.texture=new Texture(a,o,a.RGBA),e.texture.bind(a.LINEAR,a.CLAMP_TO_EDGE,a.LINEAR_MIPMAP_NEAREST),i.map.painter.extTextureFilterAnisotropic&&a.texParameterf(a.TEXTURE_2D,i.map.painter.extTextureFilterAnisotropic.TEXTURE_MAX_ANISOTROPY_EXT,i.map.painter.extTextureFilterAnisotropicMax)),a.generateMipmap(a.TEXTURE_2D),e.state="loaded",t(null)}})},t.prototype.abortTile=function(e){e.request&&(e.request.abort(),delete e.request)},t.prototype.unloadTile=function(e){e.texture&&this.map.painter.saveTileTexture(e.texture)},t}(Evented);module.exports=RasterTileSource},{"../render/texture":94,"../util/ajax":230,"../util/evented":239,"../util/mapbox":246,"../util/util":252,"./load_tilejson":104,"./tile_bounds":112}],108:[function(_dereq_,module,exports){"use strict";var ajax=_dereq_("../util/ajax"),Evented=_dereq_("../util/evented"),window=_dereq_("../util/window"),pluginRequested=!1,pluginBlobURL=null;module.exports.evented=new Evented,module.exports.registerForPluginAvailability=function(e){return pluginBlobURL?e({pluginBlobURL:pluginBlobURL,errorCallback:module.exports.errorCallback}):module.exports.evented.once("pluginAvailable",e),e},module.exports.createBlobURL=function(e){return window.URL.createObjectURL(new window.Blob([e.data],{type:"text/javascript"}))},module.exports.clearRTLTextPlugin=function(){pluginRequested=!1,pluginBlobURL=null},module.exports.setRTLTextPlugin=function(e,l){if(pluginRequested)throw new Error("setRTLTextPlugin cannot be called multiple times.");pluginRequested=!0,module.exports.errorCallback=l,ajax.getArrayBuffer({url:e},function(e,t){e?l(e):t&&(pluginBlobURL=module.exports.createBlobURL(t),module.exports.evented.fire("pluginAvailable",{pluginBlobURL:pluginBlobURL,errorCallback:l}))})},module.exports.applyArabicShaping=null,module.exports.processBidirectionalText=null},{"../util/ajax":230,"../util/evented":239,"../util/window":233}],109:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),sourceTypes={vector:_dereq_("../source/vector_tile_source"),raster:_dereq_("../source/raster_tile_source"),geojson:_dereq_("../source/geojson_source"),video:_dereq_("../source/video_source"),image:_dereq_("../source/image_source"),canvas:_dereq_("../source/canvas_source")};exports.create=function(e,r,o,u){var s=new sourceTypes[r.type](e,r,o,u);if(s.id!==e)throw new Error("Expected Source id to be "+e+" instead of "+s.id);return util.bindAll(["load","abort","unload","serialize","prepare"],s),s},exports.getType=function(e){return sourceTypes[e]},exports.setType=function(e,r){sourceTypes[e]=r}},{"../source/canvas_source":99,"../source/geojson_source":100,"../source/image_source":103,"../source/raster_tile_source":107,"../source/vector_tile_source":114,"../source/video_source":116,"../util/util":252}],110:[function(_dereq_,module,exports){"use strict";function coordinateToTilePoint(e,t,o){var i=o.zoomTo(Math.min(e.z,t));return new Point((i.column-(e.x+e.w*Math.pow(2,e.z)))*EXTENT,(i.row-e.y)*EXTENT)}var createSource=_dereq_("./source").create,Tile=_dereq_("./tile"),Evented=_dereq_("../util/evented"),TileCoord=_dereq_("./tile_coord"),Cache=_dereq_("../util/lru_cache"),Coordinate=_dereq_("../geo/coordinate"),util=_dereq_("../util/util"),EXTENT=_dereq_("../data/extent"),Point=_dereq_("@mapbox/point-geometry"),SourceCache=function(e){function t(t,o,i){var r=this;e.call(this),this.id=t,this.dispatcher=i,this.on("data",function(e){"source"===e.dataType&&"metadata"===e.sourceDataType&&(r._sourceLoaded=!0),r._sourceLoaded&&!r._paused&&"source"===e.dataType&&"content"===e.sourceDataType&&(r.reload(),r.transform&&r.update(r.transform))}),this.on("error",function(){r._sourceErrored=!0}),this._source=createSource(t,o,i,this),this._tiles={},this._cache=new Cache(0,this._unloadTile.bind(this)),this._timers={},this._cacheTimers={},this._maxTileCacheSize=null,this._isIdRenderable=this._isIdRenderable.bind(this)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.onAdd=function(e){this.map=e,this._maxTileCacheSize=e?e._maxTileCacheSize:null,this._source&&this._source.onAdd&&this._source.onAdd(e)},t.prototype.onRemove=function(e){this._source&&this._source.onRemove&&this._source.onRemove(e)},t.prototype.loaded=function(){if(this._sourceErrored)return!0;if(!this._sourceLoaded)return!1;for(var t in this._tiles){var o=this._tiles[t];if("loaded"!==o.state&&"errored"!==o.state)return!1}return!0},t.prototype.getSource=function(){return this._source},t.prototype.pause=function(){this._paused=!0},t.prototype.resume=function(){if(this._paused){var e=this._shouldReloadOnResume;this._paused=!1,this._shouldReloadOnResume=!1,e&&this.reload(),this.transform&&this.update(this.transform)}},t.prototype._loadTile=function(e,t){return this._source.loadTile(e,t)},t.prototype._unloadTile=function(e){if(this._source.unloadTile)return this._source.unloadTile(e)},t.prototype._abortTile=function(e){if(this._source.abortTile)return this._source.abortTile(e)},t.prototype.serialize=function(){return this._source.serialize()},t.prototype.prepare=function(e){this._source.prepare&&this._source.prepare();for(var o in this._tiles)this._tiles[o].upload(e)},t.prototype.getIds=function(){return Object.keys(this._tiles).map(Number).sort(function(e,t){return e%32-t%32})},t.prototype.getRenderableIds=function(){return this.getIds().filter(this._isIdRenderable)},t.prototype.hasRenderableParent=function(e){var t=this.findLoadedParent(e,0,{});return!!t&&this._isIdRenderable(t.coord.id)},t.prototype._isIdRenderable=function(e){return this._tiles[e]&&this._tiles[e].hasData()&&!this._coveredTiles[e]},t.prototype.reload=function(){if(this._paused)this._shouldReloadOnResume=!0;else{this._cache.reset();for(var t in this._tiles)this._reloadTile(t,"reloading")}},t.prototype._reloadTile=function(e,t){var o=this._tiles[e];o&&("loading"!==o.state&&(o.state=t),this._loadTile(o,this._tileLoaded.bind(this,o,e,t)))},t.prototype._tileLoaded=function(e,t,o,i){if(i)return e.state="errored",void(404!==i.status?this._source.fire("error",{tile:e,error:i}):this.update(this.transform));e.timeAdded=(new Date).getTime(),"expired"===o&&(e.refreshedUponExpiration=!0),this._setTileReloadTimer(t,e),this._source.fire("data",{dataType:"source",tile:e,coord:e.coord}),this.map&&(this.map.painter.tileExtentVAO.vao=null)},t.prototype.getTile=function(e){return this.getTileByID(e.id)},t.prototype.getTileByID=function(e){return this._tiles[e]},t.prototype.getZoom=function(e){return e.zoom+e.scaleZoom(e.tileSize/this._source.tileSize)},t.prototype._findLoadedChildren=function(e,t,o){var i=this,r=!1;for(var s in i._tiles){var a=i._tiles[s];if(!(o[s]||!a.hasData()||a.coord.z<=e.z||a.coord.z>t)){var n=Math.pow(2,Math.min(a.coord.z,i._source.maxzoom)-Math.min(e.z,i._source.maxzoom));if(Math.floor(a.coord.x/n)===e.x&&Math.floor(a.coord.y/n)===e.y)for(o[s]=!0,r=!0;a&&a.coord.z-1>e.z;){var d=a.coord.parent(i._source.maxzoom);if(!d)break;(a=i._tiles[d.id])&&a.hasData()&&(delete o[s],o[d.id]=!0)}}}return r},t.prototype.findLoadedParent=function(e,t,o){for(var i=this,r=e.z-1;r>=t;r--){var s=e.parent(i._source.maxzoom);if(!s)return;e=s;var a=String(e.id),n=i._tiles[a];if(n&&n.hasData())return o[a]=!0,n;if(i._cache.has(a))return o[a]=!0,i._cache.getWithoutRemoving(a)}},t.prototype.updateCacheSize=function(e){var i=(Math.ceil(e.width/e.tileSize)+1)*(Math.ceil(e.height/e.tileSize)+1),r=Math.floor(5*i),s="number"==typeof this._maxTileCacheSize?Math.min(this._maxTileCacheSize,r):r;this._cache.setMaxSize(s)},t.prototype.update=function(e){var o=this;if(this.transform=e,this._sourceLoaded&&!this._paused){this.updateCacheSize(e),this._coveredTiles={};var i;this.used?this._source.coord?i=e.getVisibleWrappedCoordinates(this._source.coord):(i=e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}),this._source.hasTile&&(i=i.filter(function(e){return o._source.hasTile(e)}))):i=[];var r=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),s=Math.max(r-t.maxOverzooming,this._source.minzoom),a=Math.max(r+t.maxUnderzooming,this._source.minzoom),n=this._updateRetainedTiles(i,r),d={};if(function(e){return"raster"===e||"image"===e||"video"===e}(this._source.type))for(var h=Object.keys(n),u=0;u<h.length;u++){var c=h[u],l=TileCoord.fromID(+c),_=o._tiles[c];if(_&&(void 0===_.fadeEndTime||_.fadeEndTime>=Date.now())){o._findLoadedChildren(l,a,n)&&(n[c]=!0);var m=o.findLoadedParent(l,s,d);m&&o._addTile(m.coord)}}var p;for(p in d)n[p]||(o._coveredTiles[p]=!0);for(p in d)n[p]=!0;for(var f=util.keysDifference(this._tiles,n),T=0;T<f.length;T++)o._removeTile(f[T])}},t.prototype._updateRetainedTiles=function(e,o){var i,r,s,a,n=this,d={},h={},u=Math.max(o-t.maxOverzooming,this._source.minzoom);for(i=0;i<e.length;i++){r=e[i];var c=!1;if((s=n._addTile(r)).hasData())d[r.id]=!0;else{if(c=s.wasRequested(),d[r.id]=!0,a=!0,o+1>n._source.maxzoom){var l=r.children(n._source.maxzoom)[0],_=n.getTile(l);_&&_.hasData()?d[l.id]=!0:a=!1}else for(var m=r.children(n._source.maxzoom),p=0;p<m.length;p++){var f=m[p],T=f?n.getTile(f):null;T&&T.hasData()?d[f.id]=!0:a=!1}if(!a)for(var v=o-1;v>=u;--v){var y=r.scaledTo(v,n._source.maxzoom);if(h[y.id])break;if(h[y.id]=!0,!(s=n.getTile(y))&&c&&(s=n._addTile(y)),s&&(d[y.id]=!0,c=s.wasRequested(),s.hasData()))break}}}return d},t.prototype._addTile=function(e){var t=this._tiles[e.id];if(t)return t;(t=this._cache.get(e.id))&&(t.redoPlacement(this._source),this._cacheTimers[e.id]&&(clearTimeout(this._cacheTimers[e.id]),delete this._cacheTimers[e.id],this._setTileReloadTimer(e.id,t)));var o=Boolean(t);if(!o){var i=e.z,r=i>this._source.maxzoom?Math.pow(2,i-this._source.maxzoom):1;t=new Tile(e,this._source.tileSize*r,this._source.maxzoom),this._loadTile(t,this._tileLoaded.bind(this,t,e.id,t.state))}return t?(t.uses++,this._tiles[e.id]=t,o||this._source.fire("dataloading",{tile:t,coord:t.coord,dataType:"source"}),t):null},t.prototype._setTileReloadTimer=function(e,t){var o=this,i=t.getExpiryTimeout();i&&(this._timers[e]=setTimeout(function(){o._reloadTile(e,"expired"),delete o._timers[e]},i))},t.prototype._setCacheInvalidationTimer=function(e,t){var o=this,i=t.getExpiryTimeout();i&&(this._cacheTimers[e]=setTimeout(function(){o._cache.remove(e),delete o._cacheTimers[e]},i))},t.prototype._removeTile=function(e){var t=this._tiles[e];if(t&&(t.uses--,delete this._tiles[e],this._timers[e]&&(clearTimeout(this._timers[e]),delete this._timers[e]),!(t.uses>0)))if(t.stopPlacementThrottler(),t.hasData()){var o=t.coord.wrapped().id;this._cache.add(o,t),this._setCacheInvalidationTimer(o,t)}else t.aborted=!0,this._abortTile(t),this._unloadTile(t)},t.prototype.clearTiles=function(){this._shouldReloadOnResume=!1,this._paused=!1;for(var t in this._tiles)this._removeTile(t);this._cache.reset()},t.prototype.tilesIn=function(e){for(var o=[],i=this.getIds(),r=1/0,s=1/0,a=-1/0,n=-1/0,d=e[0].zoom,h=0;h<e.length;h++){var u=e[h];r=Math.min(r,u.column),s=Math.min(s,u.row),a=Math.max(a,u.column),n=Math.max(n,u.row)}for(var c=0;c<i.length;c++){var l=this._tiles[i[c]],_=TileCoord.fromID(i[c]),m=[coordinateToTilePoint(_,l.sourceMaxZoom,new Coordinate(r,s,d)),coordinateToTilePoint(_,l.sourceMaxZoom,new Coordinate(a,n,d))];if(m[0].x<EXTENT&&m[0].y<EXTENT&&m[1].x>=0&&m[1].y>=0){for(var p=[],f=0;f<e.length;f++)p.push(coordinateToTilePoint(_,l.sourceMaxZoom,e[f]));o.push({tile:l,coord:_,queryGeometry:[p],scale:Math.pow(2,this.transform.zoom-l.coord.z)})}}return o},t.prototype.redoPlacement=function(){for(var t=this.getIds(),o=0;o<t.length;o++)this.getTileByID(t[o]).redoPlacement(this._source)},t.prototype.getVisibleCoordinates=function(){for(var t=this.getRenderableIds().map(TileCoord.fromID),o=0,i=t;o<i.length;o+=1){var r=i[o];r.posMatrix=this.transform.calculatePosMatrix(r,this._source.maxzoom)}return t},t}(Evented);SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,module.exports=SourceCache},{"../data/extent":58,"../geo/coordinate":67,"../util/evented":239,"../util/lru_cache":245,"../util/util":252,"./source":109,"./tile":111,"./tile_coord":113,"@mapbox/point-geometry":2}],111:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),deserializeBucket=_dereq_("../data/bucket").deserialize,SymbolBucket=_dereq_("../data/bucket/symbol_bucket"),FeatureIndex=_dereq_("../data/feature_index"),vt=_dereq_("@mapbox/vector-tile"),Protobuf=_dereq_("pbf"),GeoJSONFeature=_dereq_("../util/vectortile_to_geojson"),featureFilter=_dereq_("../style-spec/feature_filter"),CollisionTile=_dereq_("../symbol/collision_tile"),CollisionBoxArray=_dereq_("../symbol/collision_box"),Throttler=_dereq_("../util/throttler"),RasterBoundsArray=_dereq_("../data/raster_bounds_array"),TileCoord=_dereq_("./tile_coord"),EXTENT=_dereq_("../data/extent"),Point=_dereq_("@mapbox/point-geometry"),VertexBuffer=_dereq_("../gl/vertex_buffer"),IndexBuffer=_dereq_("../gl/index_buffer"),Texture=_dereq_("../render/texture"),SegmentVector=_dereq_("../data/segment").SegmentVector,TriangleIndexArray=_dereq_("../data/index_array_type").TriangleIndexArray,Tile=function(e,t,i){this.coord=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.sourceMaxZoom=i,this.buckets={},this.expirationTime=null,this.expiredRequestCount=0,this.state="loading",this.placementThrottler=new Throttler(300,this._immediateRedoPlacement.bind(this))};Tile.prototype.registerFadeDuration=function(e,t){var i=t+this.timeAdded;i<Date.now()||this.fadeEndTime&&i<this.fadeEndTime||(this.fadeEndTime=i,e.set(this.fadeEndTime-Date.now()))},Tile.prototype.wasRequested=function(){return"errored"===this.state||"loaded"===this.state||"reloading"===this.state},Tile.prototype.loadVectorData=function(e,t){this.hasData()&&this.unloadVectorData(),this.state="loaded",e&&(e.rawTileData&&(this.rawTileData=e.rawTileData),this.collisionBoxArray=new CollisionBoxArray(e.collisionBoxArray),this.collisionTile=CollisionTile.deserialize(e.collisionTile,this.collisionBoxArray),this.featureIndex=FeatureIndex.deserialize(e.featureIndex,this.rawTileData,this.collisionTile),this.buckets=deserializeBucket(e.buckets,t.style),e.iconAtlasImage&&(this.iconAtlasImage=e.iconAtlasImage),e.glyphAtlasImage&&(this.glyphAtlasImage=e.glyphAtlasImage))},Tile.prototype.reloadSymbolData=function(e,t){var i=this;if("unloaded"!==this.state){this.collisionTile=CollisionTile.deserialize(e.collisionTile,this.collisionBoxArray),this.featureIndex&&this.featureIndex.setCollisionTile(this.collisionTile);for(var a in i.buckets){var r=i.buckets[a];r instanceof SymbolBucket&&(r.destroy(),delete i.buckets[a])}util.extend(this.buckets,deserializeBucket(e.buckets,t)),e.iconAtlasImage&&(this.iconAtlasImage=e.iconAtlasImage),e.glyphAtlasImage&&(this.glyphAtlasImage=e.glyphAtlasImage)}},Tile.prototype.unloadVectorData=function(){for(var t in this.buckets)this.buckets[t].destroy();this.buckets={},this.iconAtlasTexture&&this.iconAtlasTexture.destroy(),this.glyphAtlasTexture&&this.glyphAtlasTexture.destroy(),this.collisionBoxArray=null,this.collisionTile=null,this.featureIndex=null,this.state="unloaded"},Tile.prototype.redoPlacement=function(e){if("vector"===e.type||"geojson"===e.type){if("loaded"!==this.state)return void(this.redoWhenDone=!0);if(this.collisionTile){var t=e.map.transform.cameraToTileDistance(this);if(this.angle===e.map.transform.angle&&this.pitch===e.map.transform.pitch&&this.showCollisionBoxes===e.map.showCollisionBoxes){if(this.cameraToTileDistance===t&&this.cameraToCenterDistance===e.map.transform.cameraToCenterDistance)return;if(this.pitch<25)return this.cameraToTileDistance=t,void(this.cameraToCenterDistance=e.map.transform.cameraToCenterDistance)}this.angle=e.map.transform.angle,this.pitch=e.map.transform.pitch,this.cameraToCenterDistance=e.map.transform.cameraToCenterDistance,this.cameraToTileDistance=t,this.showCollisionBoxes=e.map.showCollisionBoxes,this.placementSource=e,this.state="reloading",this.placementThrottler.invoke()}}},Tile.prototype._immediateRedoPlacement=function(){var e=this;this.placementSource.dispatcher.send("redoPlacement",{type:this.placementSource.type,uid:this.uid,source:this.placementSource.id,angle:this.angle,pitch:this.pitch,cameraToCenterDistance:this.cameraToCenterDistance,cameraToTileDistance:this.cameraToTileDistance,showCollisionBoxes:this.showCollisionBoxes},function(t,i){"reloading"===e.state&&(e.state="loaded",e.reloadSymbolData(i,e.placementSource.map.style),e.placementSource.fire("data",{tile:e,coord:e.coord,dataType:"source"}),e.placementSource.map&&(e.placementSource.map.painter.tileExtentVAO.vao=null),e.redoWhenDone&&(e.state="reloading",e.redoWhenDone=!1,e._immediateRedoPlacement()))},this.workerID)},Tile.prototype.getBucket=function(e){return this.buckets[e.id]},Tile.prototype.upload=function(e){for(var i in this.buckets){var a=this.buckets[i];a.uploaded||(a.upload(e),a.uploaded=!0)}this.iconAtlasImage&&(this.iconAtlasTexture=new Texture(e,this.iconAtlasImage,e.RGBA),this.iconAtlasImage=null),this.glyphAtlasImage&&(this.glyphAtlasTexture=new Texture(e,this.glyphAtlasImage,e.ALPHA),this.glyphAtlasImage=null)},Tile.prototype.queryRenderedFeatures=function(e,t,i,a,r){if(!this.featureIndex)return{};var o=0;for(var n in e){var l=this.getBucket(e[n]);l&&(o=Math.max(o,e[n].queryRadius(l)))}return this.featureIndex.query({queryGeometry:t,bearing:r,params:a,scale:i,additionalRadius:o,tileSize:this.tileSize},e)},Tile.prototype.querySourceFeatures=function(e,t){var i=this;if(this.rawTileData){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers);var a=t?t.sourceLayer:"",r=this.vtLayers._geojsonTileLayer||this.vtLayers[a];if(r)for(var s=featureFilter(t&&t.filter),o={z:this.coord.z,x:this.coord.x,y:this.coord.y},n=0;n<r.length;n++){var l=r.feature(n);if(s({zoom:i.coord.z},l)){var h=new GeoJSONFeature(l,i.coord.z,i.coord.x,i.coord.y);h.tile=o,e.push(h)}}}},Tile.prototype.clearMask=function(){this.segments&&(this.segments.destroy(),delete this.segments),this.maskedBoundsBuffer&&(this.maskedBoundsBuffer.destroy(),delete this.maskedBoundsBuffer),this.maskedIndexBuffer&&(this.maskedIndexBuffer.destroy(),delete this.maskedIndexBuffer)},Tile.prototype.setMask=function(e,t){if(!util.deepEqual(this.mask,e)&&(this.mask=e,this.clearMask(),!util.deepEqual(e,{0:!0}))){var a=new RasterBoundsArray,r=new TriangleIndexArray;this.segments=new SegmentVector,this.segments.prepareSegment(0,a,r);for(var s=Object.keys(e),o=0;o<s.length;o++){var n=TileCoord.fromID(+s[o]),l=EXTENT>>n.z,h=new Point(n.x*l,n.y*l),u=new Point(h.x+l,h.y+l),c=this.segments.prepareSegment(4,a,r);a.emplaceBack(h.x,h.y,h.x,h.y),a.emplaceBack(u.x,h.y,u.x,h.y),a.emplaceBack(h.x,u.y,h.x,u.y),a.emplaceBack(u.x,u.y,u.x,u.y);var d=c.vertexLength;r.emplaceBack(d,d+1,d+2),r.emplaceBack(d+1,d+2,d+3),c.vertexLength+=4,c.primitiveLength+=2}this.maskedBoundsBuffer=new VertexBuffer(t,a),this.maskedIndexBuffer=new IndexBuffer(t,r)}},Tile.prototype.hasData=function(){return"loaded"===this.state||"reloading"===this.state||"expired"===this.state},Tile.prototype.setExpiryData=function(e){var t=this.expirationTime;if(e.cacheControl){var i=util.parseCacheControl(e.cacheControl);i["max-age"]&&(this.expirationTime=Date.now()+1e3*i["max-age"])}else e.expires&&(this.expirationTime=new Date(e.expires).getTime());if(this.expirationTime){var a=Date.now(),r=!1;if(this.expirationTime>a)r=!1;else if(t)if(this.expirationTime<t)r=!0;else{var s=this.expirationTime-t;s?this.expirationTime=a+Math.max(s,3e4):r=!0}else r=!0;r?(this.expiredRequestCount++,this.state="expired"):this.expiredRequestCount=0}},Tile.prototype.getExpiryTimeout=function(){if(this.expirationTime)return this.expiredRequestCount?1e3*(1<<Math.min(this.expiredRequestCount-1,31)):Math.min(this.expirationTime-(new Date).getTime(),Math.pow(2,31)-1)},Tile.prototype.stopPlacementThrottler=function(){this.placementThrottler.stop(),"reloading"===this.state&&(this.state="loaded")},module.exports=Tile},{"../data/bucket":51,"../data/bucket/symbol_bucket":57,"../data/extent":58,"../data/feature_index":59,"../data/index_array_type":60,"../data/raster_bounds_array":64,"../data/segment":65,"../gl/index_buffer":71,"../gl/vertex_buffer":72,"../render/texture":94,"../style-spec/feature_filter":144,"../symbol/collision_box":199,"../symbol/collision_tile":201,"../util/throttler":250,"../util/util":252,"../util/vectortile_to_geojson":253,"./tile_coord":113,"@mapbox/point-geometry":2,"@mapbox/vector-tile":6,pbf:38}],112:[function(_dereq_,module,exports){"use strict";var LngLatBounds=_dereq_("../geo/lng_lat_bounds"),clamp=_dereq_("../util/util").clamp,TileBounds=function(t,n,o){this.bounds=LngLatBounds.convert(this.validateBounds(t)),this.minzoom=n||0,this.maxzoom=o||24};TileBounds.prototype.validateBounds=function(t){return Array.isArray(t)&&4===t.length?[Math.max(-180,t[0]),Math.max(-90,t[1]),Math.min(180,t[2]),Math.min(90,t[3])]:[-180,-90,180,90]},TileBounds.prototype.contains=function(t,n){var o=n?Math.min(t.z,n):t.z,a={minX:Math.floor(this.lngX(this.bounds.getWest(),o)),minY:Math.floor(this.latY(this.bounds.getNorth(),o)),maxX:Math.ceil(this.lngX(this.bounds.getEast(),o)),maxY:Math.ceil(this.latY(this.bounds.getSouth(),o))};return t.x>=a.minX&&t.x<a.maxX&&t.y>=a.minY&&t.y<a.maxY},TileBounds.prototype.lngX=function(t,n){return(t+180)*(Math.pow(2,n)/360)},TileBounds.prototype.latY=function(t,n){var o=clamp(Math.sin(Math.PI/180*t),-.9999,.9999),a=Math.pow(2,n)/(2*Math.PI);return Math.pow(2,n-1)+.5*Math.log((1+o)/(1-o))*-a},module.exports=TileBounds},{"../geo/lng_lat_bounds":69,"../util/util":252}],113:[function(_dereq_,module,exports){"use strict";function edge(t,i){if(t.row>i.row){var o=t;t=i,i=o}return{x0:t.column,y0:t.row,x1:i.column,y1:i.row,dx:i.column-t.column,dy:i.row-t.row}}function scanSpans(t,i,o,r,e){var h=Math.max(o,Math.floor(i.y0)),s=Math.min(r,Math.ceil(i.y1));if(t.x0===i.x0&&t.y0===i.y0?t.x0+i.dy/t.dy*t.dx<i.x1:t.x1-i.dy/t.dy*t.dx<i.x0){var n=t;t=i,i=n}for(var d=t.dx/t.dy,a=i.dx/i.dy,y=t.dx>0,l=i.dx<0,x=h;x<s;x++){var u=d*Math.max(0,Math.min(t.dy,x+y-t.y0))+t.x0,c=a*Math.max(0,Math.min(i.dy,x+l-i.y0))+i.x0;e(Math.floor(c),Math.ceil(u),x)}}function scanTriangle(t,i,o,r,e,h){var s,n=edge(t,i),d=edge(i,o),a=edge(o,t);n.dy>d.dy&&(s=n,n=d,d=s),n.dy>a.dy&&(s=n,n=a,a=s),d.dy>a.dy&&(s=d,d=a,a=s),n.dy&&scanSpans(a,n,r,e,h),d.dy&&scanSpans(a,d,r,e,h)}var WhooTS=_dereq_("@mapbox/whoots-js"),Coordinate=_dereq_("../geo/coordinate"),TileCoord=function(t,i,o,r){(void 0===r||isNaN(r))&&(r=0),this.z=+t,this.x=+i,this.y=+o,this.w=+r,(r*=2)<0&&(r=-1*r-1);var e=1<<this.z;this.id=32*(e*e*r+e*this.y+this.x)+this.z,this.posMatrix=null};TileCoord.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},TileCoord.prototype.toCoordinate=function(t){var i=Math.min(this.z,void 0===t?this.z:t),o=Math.pow(2,i),r=this.y,e=this.x+o*this.w;return new Coordinate(e,r,i)},TileCoord.prototype.url=function(t,i,o){var r=WhooTS.getTileBBox(this.x,this.y,this.z),e=function(t,i,o){for(var r,e="",h=t;h>0;h--)r=1<<h-1,e+=(i&r?1:0)+(o&r?2:0);return e}(this.z,this.x,this.y);return t[(this.x+this.y)%t.length].replace("{prefix}",(this.x%16).toString(16)+(this.y%16).toString(16)).replace("{z}",String(Math.min(this.z,i||this.z))).replace("{x}",String(this.x)).replace("{y}",String("tms"===o?Math.pow(2,this.z)-this.y-1:this.y)).replace("{quadkey}",e).replace("{bbox-epsg-3857}",r)},TileCoord.prototype.parent=function(t){return 0===this.z?null:this.z>t?new TileCoord(this.z-1,this.x,this.y,this.w):new TileCoord(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},TileCoord.prototype.wrapped=function(){return new TileCoord(this.z,this.x,this.y,0)},TileCoord.prototype.isLessThan=function(t){return this.w<t.w||!(this.w>t.w)&&(this.z<t.z||!(this.z>t.z)&&(this.x<t.x||!(this.x>t.x)&&this.y<t.y))},TileCoord.prototype.children=function(t){if(this.z>=t)return[new TileCoord(this.z+1,this.x,this.y,this.w)];var i=this.z+1,o=2*this.x,r=2*this.y;return[new TileCoord(i,o,r,this.w),new TileCoord(i,o+1,r,this.w),new TileCoord(i,o,r+1,this.w),new TileCoord(i,o+1,r+1,this.w)]},TileCoord.prototype.scaledTo=function(t,i){return this.z>i?new TileCoord(t,this.x,this.y,this.w):t<=this.z?new TileCoord(t,this.x>>this.z-t,this.y>>this.z-t,this.w):new TileCoord(t,this.x<<t-this.z,this.y<<t-this.z,this.w)},TileCoord.prototype.isChildOf=function(t){return 0===t.z||t.z<this.z&&t.x===this.x>>this.z-t.z&&t.y===this.y>>this.z-t.z},TileCoord.cover=function(t,i,o,r){function e(t,i,e){var n,d,a,y;if(e>=0&&e<=h)for(n=t;n<i;n++)d=Math.floor(n/h),a=(n%h+h)%h,0!==d&&!0!==r||(y=new TileCoord(o,a,e,d),s[y.id]=y)}void 0===r&&(r=!0);var h=1<<t,s={};return scanTriangle(i[0],i[1],i[2],0,h,e),scanTriangle(i[2],i[3],i[0],0,h,e),Object.keys(s).map(function(t){return s[t]})},TileCoord.fromID=function(t){var i=t%32,o=1<<i,r=(t-i)/32,e=r%o,h=(r-e)/o%o,s=Math.floor(r/(o*o));return s%2!=0&&(s=-1*s-1),s/=2,new TileCoord(i,e,h,s)},module.exports=TileCoord},{"../geo/coordinate":67,"@mapbox/whoots-js":10}],114:[function(_dereq_,module,exports){"use strict";var Evented=_dereq_("../util/evented"),util=_dereq_("../util/util"),loadTileJSON=_dereq_("./load_tilejson"),normalizeURL=_dereq_("../util/mapbox").normalizeTileURL,TileBounds=_dereq_("./tile_bounds"),ResourceType=_dereq_("../util/ajax").ResourceType,browser=_dereq_("../util/browser"),VectorTileSource=function(e){function t(t,i,o,r){if(e.call(this),this.id=t,this.dispatcher=o,this.type="vector",this.minzoom=0,this.maxzoom=22,this.scheme="xyz",this.tileSize=512,this.reparseOverscaled=!0,this.isTileClipped=!0,util.extend(this,util.pick(i,["url","scheme","tileSize"])),this._options=util.extend({type:"vector"},i),512!==this.tileSize)throw new Error("vector tile sources must have a tileSize of 512");this.setEventedParent(r)}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this;this.fire("dataloading",{dataType:"source"}),loadTileJSON(this._options,this.map._transformRequest,function(t,i){t?e.fire("error",t):i&&(util.extend(e,i),i.bounds&&(e.tileBounds=new TileBounds(i.bounds,e.minzoom,e.maxzoom)),e.fire("data",{dataType:"source",sourceDataType:"metadata"}),e.fire("data",{dataType:"source",sourceDataType:"content"}))})},t.prototype.hasTile=function(e){return!this.tileBounds||this.tileBounds.contains(e,this.maxzoom)},t.prototype.onAdd=function(e){this.map=e,this.load()},t.prototype.serialize=function(){return util.extend({},this._options)},t.prototype.loadTile=function(e,t){function i(i,o){if(!e.aborted){if(i)return t(i);this.map._refreshExpiredTiles&&e.setExpiryData(o),e.loadVectorData(o,this.map.painter),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),t(null),e.reloadCallback&&(this.loadTile(e,e.reloadCallback),e.reloadCallback=null)}}var o=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,r=normalizeURL(e.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),s={request:this.map._transformRequest(r,ResourceType.Tile),uid:e.uid,coord:e.coord,zoom:e.coord.z,tileSize:this.tileSize*o,type:this.type,source:this.id,pixelRatio:browser.devicePixelRatio,overscaling:o,angle:this.map.transform.angle,pitch:this.map.transform.pitch,cameraToCenterDistance:this.map.transform.cameraToCenterDistance,cameraToTileDistance:this.map.transform.cameraToTileDistance(e),showCollisionBoxes:this.map.showCollisionBoxes};void 0===e.workerID||"expired"===e.state?e.workerID=this.dispatcher.send("loadTile",s,i.bind(this)):"loading"===e.state?e.reloadCallback=t:this.dispatcher.send("reloadTile",s,i.bind(this),e.workerID)},t.prototype.abortTile=function(e){this.dispatcher.send("abortTile",{uid:e.uid,type:this.type,source:this.id},void 0,e.workerID)},t.prototype.unloadTile=function(e){e.unloadVectorData(),this.dispatcher.send("removeTile",{uid:e.uid,type:this.type,source:this.id},void 0,e.workerID)},t}(Evented);module.exports=VectorTileSource},{"../util/ajax":230,"../util/browser":231,"../util/evented":239,"../util/mapbox":246,"../util/util":252,"./load_tilejson":104,"./tile_bounds":112}],115:[function(_dereq_,module,exports){"use strict";var ajax=_dereq_("../util/ajax"),vt=_dereq_("@mapbox/vector-tile"),Protobuf=_dereq_("pbf"),WorkerTile=_dereq_("./worker_tile"),util=_dereq_("../util/util"),VectorTileWorkerSource=function(e,r,o){this.actor=e,this.layerIndex=r,this.loadVectorData=o||function(e,r){var o=ajax.getArrayBuffer(e.request,function(e,o){e?r(e):o&&r(null,{vectorTile:new vt.VectorTile(new Protobuf(o.data)),rawData:o.data,cacheControl:o.cacheControl,expires:o.expires})});return function(){o.abort()}},this.loading={},this.loaded={}};VectorTileWorkerSource.prototype.loadTile=function(e,r){var o=this,t=e.source,a=e.uid;this.loading[t]||(this.loading[t]={});var i=this.loading[t][a]=new WorkerTile(e);i.abort=this.loadVectorData(e,function(e,l){if(delete o.loading[t][a],e||!l)return r(e);var c=l.rawData,n={};l.expires&&(n.expires=l.expires),l.cacheControl&&(n.cacheControl=l.cacheControl),i.vectorTile=l.vectorTile,i.parse(l.vectorTile,o.layerIndex,o.actor,function(e,o,t){if(e||!o)return r(e);r(null,util.extend({rawTileData:c},o,n),t)}),o.loaded[t]=o.loaded[t]||{},o.loaded[t][a]=i})},VectorTileWorkerSource.prototype.reloadTile=function(e,r){var t=this.loaded[e.source],a=e.uid,i=this;if(t&&t[a]){var l=t[a];"parsing"===l.status?l.reloadCallback=r:"done"===l.status&&l.parse(l.vectorTile,this.layerIndex,this.actor,function(e,o){if(this.reloadCallback){var t=this.reloadCallback;delete this.reloadCallback,this.parse(this.vectorTile,i.layerIndex,i.actor,t)}r(e,o)}.bind(l))}},VectorTileWorkerSource.prototype.abortTile=function(e){var r=this.loading[e.source],o=e.uid;r&&r[o]&&r[o].abort&&(r[o].abort(),delete r[o])},VectorTileWorkerSource.prototype.removeTile=function(e){var r=this.loaded[e.source],o=e.uid;r&&r[o]&&delete r[o]},VectorTileWorkerSource.prototype.redoPlacement=function(e,r){var o=this.loaded[e.source],t=this.loading[e.source],a=e.uid;if(o&&o[a]){var l=o[a].redoPlacement(e.angle,e.pitch,e.cameraToCenterDistance,e.cameraToTileDistance,e.showCollisionBoxes);l.result&&r(null,l.result,l.transferables)}else t&&t[a]&&(t[a].angle=e.angle)},module.exports=VectorTileWorkerSource},{"../util/ajax":230,"../util/util":252,"./worker_tile":118,"@mapbox/vector-tile":6,pbf:38}],116:[function(_dereq_,module,exports){"use strict";var ajax=_dereq_("../util/ajax"),VideoSource=function(e){function t(t,o,i,r){e.call(this,t,o,i,r),this.roundZoom=!0,this.type="video",this.options=o}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.load=function(){var e=this,t=this.options;this.urls=t.urls,ajax.getVideo(t.urls,function(t,o){if(t)e.fire("error",{error:t});else if(o){e.video=o,e.video.loop=!0;var i;e.video.addEventListener("playing",function(){i=e.map.style.animationLoop.set(1/0),e.map._rerender()}),e.video.addEventListener("pause",function(){e.map.style.animationLoop.cancel(i)}),e.map&&e.video.play(),e._finishLoading()}})},t.prototype.getVideo=function(){return this.video},t.prototype.onAdd=function(e){this.map||(this.map=e,this.load(),this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},t.prototype.prepare=function(){0===Object.keys(this.tiles).length||this.video.readyState<2||this._prepareImage(this.map.painter.gl,this.video)},t.prototype.serialize=function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}},t}(_dereq_("./image_source"));module.exports=VideoSource},{"../util/ajax":230,"./image_source":103}],117:[function(_dereq_,module,exports){"use strict";var Actor=_dereq_("../util/actor"),StyleLayerIndex=_dereq_("../style/style_layer_index"),VectorTileWorkerSource=_dereq_("./vector_tile_worker_source"),GeoJSONWorkerSource=_dereq_("./geojson_worker_source"),globalRTLTextPlugin=_dereq_("./rtl_text_plugin"),Worker=function(e){var r=this;this.self=e,this.actor=new Actor(e,this),this.layerIndexes={},this.workerSourceTypes={vector:VectorTileWorkerSource,geojson:GeoJSONWorkerSource},this.workerSources={},this.self.registerWorkerSource=function(e,o){if(r.workerSourceTypes[e])throw new Error('Worker source with name "'+e+'" already registered.');r.workerSourceTypes[e]=o},this.self.registerRTLTextPlugin=function(e){if(globalRTLTextPlugin.applyArabicShaping||globalRTLTextPlugin.processBidirectionalText)throw new Error("RTL text plugin already registered.");globalRTLTextPlugin.applyArabicShaping=e.applyArabicShaping,globalRTLTextPlugin.processBidirectionalText=e.processBidirectionalText}};Worker.prototype.setLayers=function(e,r){this.getLayerIndex(e).replace(r)},Worker.prototype.updateLayers=function(e,r){this.getLayerIndex(e).update(r.layers,r.removedIds,r.symbolOrder)},Worker.prototype.loadTile=function(e,r,o){this.getWorkerSource(e,r.type).loadTile(r,o)},Worker.prototype.reloadTile=function(e,r,o){this.getWorkerSource(e,r.type).reloadTile(r,o)},Worker.prototype.abortTile=function(e,r){this.getWorkerSource(e,r.type).abortTile(r)},Worker.prototype.removeTile=function(e,r){this.getWorkerSource(e,r.type).removeTile(r)},Worker.prototype.removeSource=function(e,r){var o=this.getWorkerSource(e,r.type);void 0!==o.removeSource&&o.removeSource(r)},Worker.prototype.redoPlacement=function(e,r,o){this.getWorkerSource(e,r.type).redoPlacement(r,o)},Worker.prototype.loadWorkerSource=function(e,r,o){try{this.self.importScripts(r.url),o()}catch(e){o(e)}},Worker.prototype.loadRTLTextPlugin=function(e,r,o){try{globalRTLTextPlugin.applyArabicShaping||globalRTLTextPlugin.processBidirectionalText||(this.self.importScripts(r),globalRTLTextPlugin.applyArabicShaping&&globalRTLTextPlugin.processBidirectionalText||o(new Error("RTL Text Plugin failed to import scripts from "+r)))}catch(e){o(e)}},Worker.prototype.getLayerIndex=function(e){var r=this.layerIndexes[e];return r||(r=this.layerIndexes[e]=new StyleLayerIndex),r},Worker.prototype.getWorkerSource=function(e,r){var o=this;if(this.workerSources[e]||(this.workerSources[e]={}),!this.workerSources[e][r]){var t={send:function(r,t,i,n){o.actor.send(r,t,i,n,e)}};this.workerSources[e][r]=new this.workerSourceTypes[r](t,this.getLayerIndex(e))}return this.workerSources[e][r]},module.exports=function(e){return new Worker(e)}},{"../style/style_layer_index":193,"../util/actor":229,"./geojson_worker_source":101,"./rtl_text_plugin":108,"./vector_tile_worker_source":115}],118:[function(_dereq_,module,exports){"use strict";function recalculateLayers(e,i){for(var r=0,t=e.layers;r<t.length;r+=1)t[r].recalculate(i)}function serializeBuckets(e,i){return e.filter(function(e){return!e.isEmpty()}).map(function(e){return e.serialize(i)})}var FeatureIndex=_dereq_("../data/feature_index"),CollisionTile=_dereq_("../symbol/collision_tile"),CollisionBoxArray=_dereq_("../symbol/collision_box"),DictionaryCoder=_dereq_("../util/dictionary_coder"),util=(_dereq_("../data/bucket/symbol_bucket"),_dereq_("../util/util")),makeImageAtlas=_dereq_("../render/image_atlas").makeImageAtlas,makeGlyphAtlas=_dereq_("../render/glyph_atlas").makeGlyphAtlas,WorkerTile=function(e){this.coord=e.coord,this.uid=e.uid,this.zoom=e.zoom,this.pixelRatio=e.pixelRatio,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=e.overscaling,this.angle=e.angle,this.pitch=e.pitch,this.cameraToCenterDistance=e.cameraToCenterDistance,this.cameraToTileDistance=e.cameraToTileDistance,this.showCollisionBoxes=e.showCollisionBoxes};WorkerTile.prototype.parse=function(e,i,r,t){function a(){var e=this;if(D)return t(D);if(A&&C){for(var i=new CollisionTile(this.angle,this.pitch,this.cameraToCenterDistance,this.cameraToTileDistance,this.collisionBoxArray),r=makeGlyphAtlas(A),a=makeImageAtlas(C),o=0,s=e.symbolBuckets;o<s.length;o+=1){var c=s[o];recalculateLayers(c,e.zoom),c.prepare(A,r.positions,C,a.positions),c.place(i,e.showCollisionBoxes)}this.status="done";var u=[r.image.data.buffer,a.image.data.buffer];t(null,{buckets:serializeBuckets(util.values(n),u),featureIndex:l.serialize(u),collisionTile:i.serialize(u),collisionBoxArray:this.collisionBoxArray.serialize(),glyphAtlasImage:r.image,iconAtlasImage:a.image},u)}}var o=this;this.status="parsing",this.data=e,this.collisionBoxArray=new CollisionBoxArray;var s=new DictionaryCoder(Object.keys(e.layers).sort()),l=new FeatureIndex(this.coord,this.overscaling);l.bucketLayerIDs=[];var n={},c={featureIndex:l,iconDependencies:{},glyphDependencies:{}},u=i.familiesBySource[this.source];for(var h in u){var m=e.layers[h];if(m){1===m.version&&util.warnOnce('Vector tile source "'+o.source+'" layer "'+h+'" does not use vector tile spec v2 and therefore may have some rendering errors.');for(var y=s.encode(h),p=[],d=0;d<m.length;d++){var f=m.feature(d);p.push({feature:f,index:d,sourceLayerIndex:y})}for(var g=0,v=u[h];g<v.length;g+=1){var k=v[g],b=k[0];if(!(b.minzoom&&o.zoom<Math.floor(b.minzoom)||b.maxzoom&&o.zoom>=b.maxzoom||b.layout&&"none"===b.layout.visibility)){for(var x=0,T=k;x<T.length;x+=1)T[x].recalculate(o.zoom);(n[b.id]=b.createBucket({index:l.bucketLayerIDs.length,layers:k,zoom:o.zoom,pixelRatio:o.pixelRatio,overscaling:o.overscaling,collisionBoxArray:o.collisionBoxArray})).populate(p,c),l.bucketLayerIDs.push(k.map(function(e){return e.id}))}}}}this.symbolBuckets=[];for(var z=i.symbolOrder.length-1;z>=0;z--){var B=n[i.symbolOrder[z]];B&&o.symbolBuckets.push(B)}var D,A,C,I=util.mapObject(c.glyphDependencies,function(e){return Object.keys(e).map(Number)});Object.keys(I).length?r.send("getGlyphs",{uid:this.uid,stacks:I},function(e,i){D||(D=e,A=i,a.call(o))}):A={};var w=Object.keys(c.iconDependencies);w.length?r.send("getImages",{icons:w},function(e,i){D||(D=e,C=i,a.call(o))}):C={},a.call(this)},WorkerTile.prototype.redoPlacement=function(e,i,r,t,a){if(this.angle=e,this.pitch=i,this.cameraToCenterDistance=r,this.cameraToTileDistance=t,"done"!==this.status)return{};for(var s=new CollisionTile(this.angle,this.pitch,this.cameraToCenterDistance,this.cameraToTileDistance,this.collisionBoxArray),l=0,n=this.symbolBuckets;l<n.length;l+=1){var c=n[l];recalculateLayers(c,this.zoom),c.place(s,a)}var u=[];return{result:{buckets:serializeBuckets(this.symbolBuckets,u),collisionTile:s.serialize(u)},transferables:u}},module.exports=WorkerTile},{"../data/bucket/symbol_bucket":57,"../data/feature_index":59,"../render/glyph_atlas":85,"../render/image_atlas":87,"../symbol/collision_box":199,"../symbol/collision_tile":201,"../util/dictionary_coder":236,"../util/util":252}],119:[function(_dereq_,module,exports){"use strict";var refProperties=_dereq_("./util/ref_properties");module.exports=function(r){r=r.slice();for(var e=Object.create(null),f=0;f<r.length;f++)e[r[f].id]=r[f];for(var t=0;t<r.length;t++)"ref"in r[t]&&(r[t]=function(r,e){var f={};for(var t in r)"ref"!==t&&(f[t]=r[t]);return refProperties.forEach(function(r){r in e&&(f[r]=e[r])}),f}(r[t],e[r[t].ref]));return r}},{"./util/ref_properties":154}],120:[function(_dereq_,module,exports){"use strict";function diffLayerPropertyChanges(e,r,o,a,s,t){e=e||{},r=r||{};var n;for(n in e)e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}));for(n in r)r.hasOwnProperty(n)&&!e.hasOwnProperty(n)&&(isEqual(e[n],r[n])||o.push({command:t,args:[a,n,r[n],s]}))}function pluckId(e){return e.id}function indexById(e,r){return e[r.id]=r,e}var isEqual=_dereq_("lodash.isequal"),operations={setStyle:"setStyle",addLayer:"addLayer",removeLayer:"removeLayer",setPaintProperty:"setPaintProperty",setLayoutProperty:"setLayoutProperty",setFilter:"setFilter",addSource:"addSource",removeSource:"removeSource",setGeoJSONSourceData:"setGeoJSONSourceData",setLayerZoomRange:"setLayerZoomRange",setLayerProperty:"setLayerProperty",setCenter:"setCenter",setZoom:"setZoom",setBearing:"setBearing",setPitch:"setPitch",setSprite:"setSprite",setGlyphs:"setGlyphs",setTransition:"setTransition",setLight:"setLight"};module.exports=function(e,r){if(!e)return[{command:operations.setStyle,args:[r]}];var o=[];try{if(!isEqual(e.version,r.version))return[{command:operations.setStyle,args:[r]}];isEqual(e.center,r.center)||o.push({command:operations.setCenter,args:[r.center]}),isEqual(e.zoom,r.zoom)||o.push({command:operations.setZoom,args:[r.zoom]}),isEqual(e.bearing,r.bearing)||o.push({command:operations.setBearing,args:[r.bearing]}),isEqual(e.pitch,r.pitch)||o.push({command:operations.setPitch,args:[r.pitch]}),isEqual(e.sprite,r.sprite)||o.push({command:operations.setSprite,args:[r.sprite]}),isEqual(e.glyphs,r.glyphs)||o.push({command:operations.setGlyphs,args:[r.glyphs]}),isEqual(e.transition,r.transition)||o.push({command:operations.setTransition,args:[r.transition]}),isEqual(e.light,r.light)||o.push({command:operations.setLight,args:[r.light]});var a={},s=[];!function(e,r,o,a){e=e||{},r=r||{};var s;for(s in e)e.hasOwnProperty(s)&&(r.hasOwnProperty(s)||(o.push({command:operations.removeSource,args:[s]}),a[s]=!0));for(s in r)r.hasOwnProperty(s)&&(e.hasOwnProperty(s)?isEqual(e[s],r[s])||("geojson"===e[s].type&&"geojson"===r[s].type?o.push({command:operations.setGeoJSONSourceData,args:[s,r[s].data]}):(o.push({command:operations.removeSource,args:[s]}),o.push({command:operations.addSource,args:[s,r[s]]}),a[s]=!0)):o.push({command:operations.addSource,args:[s,r[s]]}))}(e.sources,r.sources,s,a);var t=[];e.layers&&e.layers.forEach(function(e){a[e.source]?o.push({command:operations.removeLayer,args:[e.id]}):t.push(e)}),o=o.concat(s),function(e,r,o){e=e||[],r=r||[];var a,s,t,n,i,p,m,u=e.map(pluckId),l=r.map(pluckId),y=e.reduce(indexById,{}),c=r.reduce(indexById,{}),d=u.slice(),h=Object.create(null);for(a=0,s=0;a<u.length;a++)t=u[a],c.hasOwnProperty(t)?s++:(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.indexOf(t,s),1));for(a=0,s=0;a<l.length;a++)t=l[l.length-1-a],d[d.length-1-a]!==t&&(y.hasOwnProperty(t)?(o.push({command:operations.removeLayer,args:[t]}),d.splice(d.lastIndexOf(t,d.length-s),1)):s++,p=d[d.length-a],o.push({command:operations.addLayer,args:[c[t],p]}),d.splice(d.length-a,0,t),h[t]=!0);for(a=0;a<l.length;a++)if(t=l[a],n=y[t],i=c[t],!h[t]&&!isEqual(n,i))if(isEqual(n.source,i.source)&&isEqual(n["source-layer"],i["source-layer"])&&isEqual(n.type,i.type)){diffLayerPropertyChanges(n.layout,i.layout,o,t,null,operations.setLayoutProperty),diffLayerPropertyChanges(n.paint,i.paint,o,t,null,operations.setPaintProperty),isEqual(n.filter,i.filter)||o.push({command:operations.setFilter,args:[t,i.filter]}),isEqual(n.minzoom,i.minzoom)&&isEqual(n.maxzoom,i.maxzoom)||o.push({command:operations.setLayerZoomRange,args:[t,i.minzoom,i.maxzoom]});for(m in n)n.hasOwnProperty(m)&&"layout"!==m&&"paint"!==m&&"filter"!==m&&"metadata"!==m&&"minzoom"!==m&&"maxzoom"!==m&&(0===m.indexOf("paint.")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}));for(m in i)i.hasOwnProperty(m)&&!n.hasOwnProperty(m)&&"layout"!==m&&"paint"!==m&&"filter"!==m&&"metadata"!==m&&"minzoom"!==m&&"maxzoom"!==m&&(0===m.indexOf("paint.")?diffLayerPropertyChanges(n[m],i[m],o,t,m.slice(6),operations.setPaintProperty):isEqual(n[m],i[m])||o.push({command:operations.setLayerProperty,args:[t,m,i[m]]}))}else o.push({command:operations.removeLayer,args:[t]}),p=d[d.lastIndexOf(t)+1],o.push({command:operations.addLayer,args:[i,p]})}(t,r.layers,o)}catch(e){console.warn("Unable to compute style diff:",e),o=[{command:operations.setStyle,args:[r]}]}return o},module.exports.operations=operations},{"lodash.isequal":34}],121:[function(_dereq_,module,exports){"use strict";var format=_dereq_("util").format;module.exports=function(r,i){for(var t=[],o=arguments.length-2;o-- >0;)t[o]=arguments[o+2];this.message=(r?r+": ":"")+format.apply(format,t),null!==i&&void 0!==i&&i.__line__&&(this.line=i.__line__)}},{util:45}],122:[function(_dereq_,module,exports){"use strict";var toString=_dereq_("./types").toString,ParsingContext=_dereq_("./parsing_context"),CompoundExpression=(_dereq_("./evaluation_context"),function(r,e,n,t,o){this.key=r,this.name=e,this.type=n,this._evaluate=t,this.args=o});CompoundExpression.prototype.evaluate=function(r){return this._evaluate(r,this.args)},CompoundExpression.prototype.eachChild=function(r){this.args.forEach(r)},CompoundExpression.parse=function(r,e){var n=r[0],t=CompoundExpression.definitions[n];if(!t)return e.error('Unknown expression "'+n+'". If you wanted a literal array, use ["literal", [...]].',0);for(var o=Array.isArray(t)?t[0]:t.type,i=Array.isArray(t)?[[t[1],t[2]]]:t.overloads.filter(function(e){return!Array.isArray(e[0][0])||e[0][0].length===r.length-1}),s=[],a=1;a<r.length;a++){var u=r[a],p=void 0;if(1===i.length){var l=i[0][0];p=Array.isArray(l)?l[a-1]:l.type}var g=e.parse(u,1+s.length,p);if(!g)return null;s.push(g)}for(var y=null,f=0,h=i;f<h.length;f+=1){var d=h[f],c=d[0],v=d[1];if(y=new ParsingContext(e.definitions,e.path,null,e.scope),Array.isArray(c)&&c.length!==s.length)y.error("Expected "+c.length+" arguments, but found "+s.length+" instead.");else{for(var x=0;x<s.length;x++){var m=Array.isArray(c)?c[x]:c.type,C=s[x];y.concat(x+1).checkSubtype(m,C.type)}if(0===y.errors.length)return new CompoundExpression(e.key,n,o,v,s)}}if(1===i.length)e.errors.push.apply(e.errors,y.errors);else{var E=i.map(function(r){return function(r){return Array.isArray(r)?"("+r.map(toString).join(", ")+")":"("+toString(r.type)+"...)"}(r[0])}).join(" | "),A=s.map(function(r){return toString(r.type)}).join(", ");e.error("Expected arguments of type "+E+", but found ("+A+") instead.")}return null},CompoundExpression.register=function(r,e){CompoundExpression.definitions=e;for(var n in e)r[n]=CompoundExpression},module.exports={CompoundExpression:CompoundExpression,varargs:function(r){return{type:r}}}},{"./evaluation_context":135,"./parsing_context":138,"./types":142}],123:[function(_dereq_,module,exports){"use strict";var ref=_dereq_("../types"),toString=ref.toString,array=ref.array,ValueType=ref.ValueType,StringType=ref.StringType,NumberType=ref.NumberType,BooleanType=ref.BooleanType,checkSubtype=ref.checkSubtype,typeOf=_dereq_("../values").typeOf,RuntimeError=_dereq_("../runtime_error"),types={string:StringType,number:NumberType,boolean:BooleanType},ArrayAssertion=function(e,r,t){this.key=e,this.type=r,this.input=t};ArrayAssertion.parse=function(e,r){if(e.length<2||e.length>4)return r.error("Expected 1, 2, or 3 arguments, but found "+(e.length-1)+" instead.");var t,n;if(e.length>2){var i=e[1];if("string"!=typeof i||!(i in types))return r.error('The item type argument of "array" must be one of string, number, boolean',1);t=types[i]}else t=ValueType;if(e.length>3){if("number"!=typeof e[2]||e[2]<0||e[2]!==Math.floor(e[2]))return r.error('The length argument to "array" must be a positive integer literal',2);n=e[2]}var o=array(t,n),a=r.parse(e[e.length-1],e.length-1,ValueType);return a?new ArrayAssertion(r.key,o,a):null},ArrayAssertion.prototype.evaluate=function(e){var r=this.input.evaluate(e);if(checkSubtype(this.type,typeOf(r)))throw new RuntimeError("Expected value to be of type "+toString(this.type)+", but found "+toString(typeOf(r))+" instead.");return r},ArrayAssertion.prototype.eachChild=function(e){e(this.input)},module.exports=ArrayAssertion},{"../runtime_error":140,"../types":142,"../values":143}],124:[function(_dereq_,module,exports){"use strict";var ref=_dereq_("../types"),ObjectType=ref.ObjectType,ValueType=ref.ValueType,StringType=ref.StringType,NumberType=ref.NumberType,BooleanType=ref.BooleanType,RuntimeError=_dereq_("../runtime_error"),ref$1=_dereq_("../types"),checkSubtype=ref$1.checkSubtype,toString=ref$1.toString,typeOf=_dereq_("../values").typeOf,types={string:StringType,number:NumberType,boolean:BooleanType,object:ObjectType},Assertion=function(e,r,t){this.key=e,this.type=r,this.args=t};Assertion.parse=function(e,r){if(e.length<2)return r.error("Expected at least one argument.");for(var t=e[0],n=types[t],o=[],p=1;p<e.length;p++){var i=r.parse(e[p],p,ValueType);if(!i)return null;o.push(i)}return new Assertion(r.key,n,o)},Assertion.prototype.evaluate=function(e){for(var r=this,t=0;t<this.args.length;t++){var n=r.args[t].evaluate(e);if(!checkSubtype(r.type,typeOf(n)))return n;if(t===r.args.length-1)throw new RuntimeError("Expected value to be of type "+toString(r.type)+", but found "+toString(typeOf(n))+" instead.")}return null},Assertion.prototype.eachChild=function(e){this.args.forEach(e)},module.exports=Assertion},{"../runtime_error":140,"../types":142,"../values":143}],125:[function(_dereq_,module,exports){"use strict";var ref=_dereq_("../types"),array=ref.array,ValueType=ref.ValueType,NumberType=ref.NumberType,RuntimeError=_dereq_("../runtime_error"),At=function(e,r,t,n){this.key=e,this.type=r,this.index=t,this.input=n};At.parse=function(e,r){if(3!==e.length)return r.error("Expected 2 arguments, but found "+(e.length-1)+" instead.");var t=r.parse(e[1],1,NumberType),n=r.parse(e[2],2,array(r.expectedType||ValueType));if(!t||!n)return null;var u=n.type;return new At(r.key,u.itemType,t,n)},At.prototype.evaluate=function(e){var r=this.index.evaluate(e),t=this.input.evaluate(e);if(r<0||r>=t.length)throw new RuntimeError("Array index out of bounds: "+r+" > "+t.length+".");if(r!==Math.floor(r))throw new RuntimeError("Array index must be an integer, but found "+r+" instead.");return t[r]},At.prototype.eachChild=function(e){e(this.index),e(this.input)},module.exports=At},{"../runtime_error":140,"../types":142}],126:[function(_dereq_,module,exports){"use strict";var BooleanType=_dereq_("../types").BooleanType,Case=function(e,r,t,a){this.key=e,this.type=r,this.branches=t,this.otherwise=a};Case.parse=function(e,r){if(e.length<4)return r.error("Expected at least 3 arguments, but found only "+(e.length-1)+".");if(e.length%2!=0)return r.error("Expected an odd number of arguments.");var t;r.expectedType&&"value"!==r.expectedType.kind&&(t=r.expectedType);for(var a=[],n=1;n<e.length-1;n+=2){var s=r.parse(e[n],n,BooleanType);if(!s)return null;var o=r.parse(e[n+1],n+1,t);if(!o)return null;a.push([s,o]),t=t||o.type}var u=r.parse(e[e.length-1],e.length-1,t);return u?new Case(r.key,t,a,u):null},Case.prototype.evaluate=function(e){for(var t=0,a=this.branches;t<a.length;t+=1){var n=a[t],s=n[0],o=n[1];if(s.evaluate(e))return o.evaluate(e)}return this.otherwise.evaluate(e)},Case.prototype.eachChild=function(e){for(var t=0,a=this.branches;t<a.length;t+=1){var n=a[t],s=n[0],o=n[1];e(s),e(o)}e(this.otherwise)},module.exports=Case},{"../types":142}],127:[function(_dereq_,module,exports){"use strict";var Coalesce=function(e,t,r){this.key=e,this.type=t,this.args=r};Coalesce.parse=function(e,t){if(e.length<2)return t.error("Expectected at least one argument.");var r=null;t.expectedType&&"value"!==t.expectedType.kind&&(r=t.expectedType);for(var a=[],l=0,n=e.slice(1);l<n.length;l+=1){var s=n[l],o=t.parse(s,1+a.length,r);if(!o)return null;r=r||o.type,a.push(o)}return new Coalesce(t.key,r,a)},Coalesce.prototype.evaluate=function(e){for(var r=null,a=0,l=this.args;a<l.length&&null===(r=l[a].evaluate(e));a+=1);return r},Coalesce.prototype.eachChild=function(e){this.args.forEach(e)},module.exports=Coalesce},{}],128:[function(_dereq_,module,exports){"use strict";var ref=_dereq_("../types"),ColorType=ref.ColorType,ValueType=ref.ValueType,NumberType=ref.NumberType,ref$1=_dereq_("../values"),Color=ref$1.Color,validateRGBA=ref$1.validateRGBA,unwrap=ref$1.unwrap,RuntimeError=_dereq_("../runtime_error"),types={"to-number":NumberType,"to-color":ColorType},Coercion=function(r,e,o){this.key=r,this.type=e,this.args=o};Coercion.parse=function(r,e){if(r.length<2)return e.error("Expected at least one argument.");for(var o=r[0],t=types[o],n=[],a=1;a<r.length;a++){var i=e.parse(r[a],a,ValueType);if(!i)return null;n.push(i)}return new Coercion(e.key,t,n)},Coercion.prototype.evaluate=function(r){if("color"===this.type.kind){for(var o,t,n=0,a=this.args;n<a.length;n+=1)if(o=a[n].evaluate(r),t=null,"string"==typeof o){var i=r.parseColor(o);if(i)return i}else if(Array.isArray(o)&&!(t=o.length<3||o.length>4?"Invalid rbga value "+JSON.stringify(o)+": expected an array containing either three or four numeric values.":validateRGBA(o[0],o[1],o[2],o[3])))return new Color(o[0]/255,o[1]/255,o[2]/255,o[3]);throw new RuntimeError(t||"Could not parse color from value '"+("string"==typeof o?o:JSON.stringify(o))+"'")}for(var u=null,l=0,s=this.args;l<s.length;l+=1)if(null!==(u=s[l].evaluate(r))){var f=Number(u);if(!isNaN(f))return f}throw new RuntimeError("Could not convert "+JSON.stringify(unwrap(u))+" to number.")},Coercion.prototype.eachChild=function(r){this.args.forEach(r)},module.exports=Coercion},{"../runtime_error":140,"../types":142,"../values":143}],129:[function(_dereq_,module,exports){"use strict";function exponentialInterpolation(e,r,t,n){var i=n-t,a=e-t;return 0===i?0:1===r?a/i:(Math.pow(r,a)-1)/(Math.pow(r,i)-1)}var UnitBezier=_dereq_("@mapbox/unitbezier"),interpolate=_dereq_("../../util/interpolate"),ref=_dereq_("../types"),toString=ref.toString,NumberType=ref.NumberType,Color=_dereq_("../values").Color,Curve=function(e,r,t,n,i){this.key=e,this.type=r,this.interpolation=t,this.input=n,this.labels=[],this.outputs=[];for(var o=0,u=i;o<u.length;o+=1){var l=u[o],p=l[0],s=l[1];this.labels.push(p),this.outputs.push(s)}};Curve.interpolationFactor=function(e,r,t,n){var i=0;if("exponential"===e.name)i=exponentialInterpolation(r,e.base,t,n);else if("linear"===e.name)i=exponentialInterpolation(r,1,t,n);else if("cubic-bezier"===e.name){var a=e.controlPoints;i=new UnitBezier(a[0],a[1],a[2],a[3]).solve(exponentialInterpolation(r,1,t,n))}return i},Curve.parse=function(e,r){var t=e[1],n=e[2],i=e.slice(3);if(!Array.isArray(t)||0===t.length)return r.error("Expected an interpolation type expression.",1);if("step"===t[0])t={name:"step"};else if("linear"===t[0])t={name:"linear"};else if("exponential"===t[0]){var a=t[1];if("number"!=typeof a)return r.error("Exponential interpolation requires a numeric base.",1,1);t={name:"exponential",base:a}}else{if("cubic-bezier"!==t[0])return r.error("Unknown interpolation type "+String(t[0]),1,0);var o=t.slice(1);if(4!==o.length||o.some(function(e){return"number"!=typeof e||e<0||e>1}))return r.error("Cubic bezier interpolation requires four numeric arguments with values between 0 and 1.",1);t={name:"cubic-bezier",controlPoints:o}}var u="step"===t.name,l=u?5:4;if(e.length-1<l)return r.error("Expected at least "+l+" arguments, but found only "+(e.length-1)+".");var p=l%2;if((e.length-1)%2!==p)return r.error("Expected an "+(0===p?"even":"odd")+" number of arguments.");if(!(n=r.parse(n,2,NumberType)))return null;var s=[],v=null;r.expectedType&&"value"!==r.expectedType.kind&&(v=r.expectedType),u&&i.unshift(-1/0);for(var f=0;f<i.length;f+=2){var c=i[f],h=i[f+1],m=u?f+2:f+3,b=u?f+3:f+4;if("number"!=typeof c)return r.error('Input/output pairs for "curve" expressions must be defined using literal numeric values (not computed expressions) for the input values.',m);if(s.length&&s[s.length-1][0]>c)return r.error('Input/output pairs for "curve" expressions must be arranged with input values in strictly ascending order.',m);var d=r.parse(h,b,v);if(!d)return null;v=v||d.type,s.push([c,d])}return"step"===t.name||"number"===v.kind||"color"===v.kind||"array"===v.kind&&"number"===v.itemType.kind?new Curve(r.key,v,t,n,s):r.error("Type "+toString(v)+" is not interpolatable, and thus cannot be used as a "+t.name+" curve's output type.")},Curve.prototype.evaluate=function(e){var r=this.labels,t=this.outputs;if(1===r.length)return t[0].evaluate(e);var n=this.input.evaluate(e);if(n<=r[0])return t[0].evaluate(e);var i=r.length;if(n>=r[i-1])return t[i-1].evaluate(e);var a=function(e,r){for(var t,n,a=0,o=e.length-1,u=0;a<=o;){if(u=Math.floor((a+o)/2),t=e[u],n=e[u+1],r===t||r>t&&r<n)return u;t<r?a=u+1:t>r&&(o=u-1)}return Math.max(u-1,0)}(r,n);if("step"===this.interpolation.name)return t[a].evaluate(e);var o=r[a],u=r[a+1],l=Curve.interpolationFactor(this.interpolation,n,o,u),p=t[a].evaluate(e),s=t[a+1].evaluate(e),v=this.type.kind.toLowerCase();return"color"===v?new(Function.prototype.bind.apply(Color,[null].concat(interpolate.color(p.value,s.value,l)))):interpolate[v](p,s,l)},Curve.prototype.eachChild=function(e){e(this.input);for(var t=0,n=this.outputs;t<n.length;t+=1)e(n[t])},module.exports=Curve},{"../../util/interpolate":152,"../types":142,"../values":143,"@mapbox/unitbezier":5}],130:[function(_dereq_,module,exports){"use strict";function rgba(e,r){var t=r[0],a=r[1],n=r[2],u=r[3];t=t.evaluate(e),a=a.evaluate(e),n=n.evaluate(e),u=u&&u.evaluate(e);var o=validateRGBA(t,a,n,u);if(o)throw new RuntimeError(o);return new Color(t/255,a/255,n/255,u)}function has(e,r){return e in r}function get(e,r){var t=r[e];return void 0===t?null:t}function length(e,r){return r[0].evaluate(e).length}function eq(e,r){var t=r[0],a=r[1];return t.evaluate(e)===a.evaluate(e)}function ne(e,r){var t=r[0],a=r[1];return t.evaluate(e)!==a.evaluate(e)}function lt(e,r){var t=r[0],a=r[1];return t.evaluate(e)<a.evaluate(e)}function gt(e,r){var t=r[0],a=r[1];return t.evaluate(e)>a.evaluate(e)}function lteq(e,r){var t=r[0],a=r[1];return t.evaluate(e)<=a.evaluate(e)}function gteq(e,r){var t=r[0],a=r[1];return t.evaluate(e)>=a.evaluate(e)}var ref=_dereq_("../types"),NullType=ref.NullType,NumberType=ref.NumberType,StringType=ref.StringType,BooleanType=ref.BooleanType,ColorType=ref.ColorType,ObjectType=ref.ObjectType,ValueType=ref.ValueType,ErrorType=ref.ErrorType,array=ref.array,toString=ref.toString,ref$1=_dereq_("../values"),typeOf=ref$1.typeOf,Color=ref$1.Color,validateRGBA=ref$1.validateRGBA,ref$2=_dereq_("../compound_expression"),CompoundExpression=ref$2.CompoundExpression,varargs=ref$2.varargs,RuntimeError=_dereq_("../runtime_error"),Let=_dereq_("./let"),Var=_dereq_("./var"),Literal=_dereq_("./literal"),Assertion=_dereq_("./assertion"),ArrayAssertion=_dereq_("./array"),Coercion=_dereq_("./coercion"),At=_dereq_("./at"),Match=_dereq_("./match"),Case=_dereq_("./case"),Curve=_dereq_("./curve"),expressions={let:Let,var:Var,literal:Literal,string:Assertion,number:Assertion,boolean:Assertion,object:Assertion,array:ArrayAssertion,"to-number":Coercion,"to-color":Coercion,at:At,case:Case,match:Match,coalesce:_dereq_("./coalesce"),curve:Curve};CompoundExpression.register(expressions,{error:[ErrorType,[StringType],function(e,r){var t=r[0];throw new RuntimeError(t.evaluate(e))}],typeof:[StringType,[ValueType],function(e,r){var t=r[0];return toString(typeOf(t.evaluate(e)))}],"to-string":[StringType,[ValueType],function(e,r){var t=r[0],a=typeof(t=t.evaluate(e));if(null===t||"string"===a||"number"===a||"boolean"===a)return String(t);if(t instanceof Color){var n=t.value;return"rgba("+255*n[0]+", "+255*n[1]+", "+255*n[2]+", "+n[3]+")"}return JSON.stringify(t)}],"to-boolean":[BooleanType,[ValueType],function(e,r){var t=r[0];return Boolean(t.evaluate(e))}],"to-rgba":[array(NumberType,4),[ColorType],function(e,r){return r[0].evaluate(e).value}],rgb:[ColorType,[NumberType,NumberType,NumberType],rgba],rgba:[ColorType,[NumberType,NumberType,NumberType,NumberType],rgba],length:{type:NumberType,overloads:[[[StringType],length],[[array(ValueType)],length]]},has:{type:BooleanType,overloads:[[[StringType],function(e,r){return has(r[0].evaluate(e),e.properties())}],[[StringType,ObjectType],function(e,r){var t=r[0],a=r[1];return has(t.evaluate(e),a.evaluate(e))}]]},get:{type:ValueType,overloads:[[[StringType],function(e,r){return get(r[0].evaluate(e),e.properties())}],[[StringType,ObjectType],function(e,r){var t=r[0],a=r[1];return get(t.evaluate(e),a.evaluate(e))}]]},properties:[ObjectType,[],function(e){return e.properties()}],"geometry-type":[StringType,[],function(e){return e.geometryType()}],id:[ValueType,[],function(e){return e.id()}],zoom:[NumberType,[],function(e){return e.globals.zoom}],"heatmap-density":[NumberType,[],function(e){return e.globals.heatmapDensity||0}],"+":[NumberType,varargs(NumberType),function(e,r){for(var t=0,a=0,n=r;a<n.length;a+=1)t+=n[a].evaluate(e);return t}],"*":[NumberType,varargs(NumberType),function(e,r){for(var t=1,a=0,n=r;a<n.length;a+=1)t*=n[a].evaluate(e);return t}],"-":{type:NumberType,overloads:[[[NumberType,NumberType],function(e,r){var t=r[0],a=r[1];return t.evaluate(e)-a.evaluate(e)}],[[NumberType],function(e,r){return-r[0].evaluate(e)}]]},"/":[NumberType,[NumberType,NumberType],function(e,r){var t=r[0],a=r[1];return t.evaluate(e)/a.evaluate(e)}],"%":[NumberType,[NumberType,NumberType],function(e,r){var t=r[0],a=r[1];return t.evaluate(e)%a.evaluate(e)}],ln2:[NumberType,[],function(){return Math.LN2}],pi:[NumberType,[],function(){return Math.PI}],e:[NumberType,[],function(){return Math.E}],"^":[NumberType,[NumberType,NumberType],function(e,r){var t=r[0],a=r[1];return Math.pow(t.evaluate(e),a.evaluate(e))}],log10:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.log10(t.evaluate(e))}],ln:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.log(t.evaluate(e))}],log2:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.log2(t.evaluate(e))}],sin:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.sin(t.evaluate(e))}],cos:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.cos(t.evaluate(e))}],tan:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.tan(t.evaluate(e))}],asin:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.asin(t.evaluate(e))}],acos:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.acos(t.evaluate(e))}],atan:[NumberType,[NumberType],function(e,r){var t=r[0];return Math.atan(t.evaluate(e))}],min:[NumberType,varargs(NumberType),function(e,r){return Math.min.apply(Math,r.map(function(r){return r.evaluate(e)}))}],max:[NumberType,varargs(NumberType),function(e,r){return Math.max.apply(Math,r.map(function(r){return r.evaluate(e)}))}],"==":{type:BooleanType,overloads:[[[NumberType,NumberType],eq],[[StringType,StringType],eq],[[BooleanType,BooleanType],eq],[[NullType,NullType],eq]]},"!=":{type:BooleanType,overloads:[[[NumberType,NumberType],ne],[[StringType,StringType],ne],[[BooleanType,BooleanType],ne],[[NullType,NullType],ne]]},">":{type:BooleanType,overloads:[[[NumberType,NumberType],gt],[[StringType,StringType],gt]]},"<":{type:BooleanType,overloads:[[[NumberType,NumberType],lt],[[StringType,StringType],lt]]},">=":{type:BooleanType,overloads:[[[NumberType,NumberType],gteq],[[StringType,StringType],gteq]]},"<=":{type:BooleanType,overloads:[[[NumberType,NumberType],lteq],[[StringType,StringType],lteq]]},all:{type:BooleanType,overloads:[[[BooleanType,BooleanType],function(e,r){var t=r[0],a=r[1];return t.evaluate(e)&&a.evaluate(e)}],[varargs(BooleanType),function(e,r){for(var t=0,a=r;t<a.length;t+=1)if(!a[t].evaluate(e))return!1;return!0}]]},any:{type:BooleanType,overloads:[[[BooleanType,BooleanType],function(e,r){var t=r[0],a=r[1];return t.evaluate(e)||a.evaluate(e)}],[varargs(BooleanType),function(e,r){for(var t=0,a=r;t<a.length;t+=1)if(a[t].evaluate(e))return!0;return!1}]]},"!":[BooleanType,[BooleanType],function(e,r){return!r[0].evaluate(e)}],upcase:[StringType,[StringType],function(e,r){return r[0].evaluate(e).toUpperCase()}],downcase:[StringType,[StringType],function(e,r){return r[0].evaluate(e).toLowerCase()}],concat:[StringType,varargs(StringType),function(e,r){return r.map(function(r){return r.evaluate(e)}).join("")}]}),module.exports=expressions},{"../compound_expression":122,"../runtime_error":140,"../types":142,"../values":143,"./array":123,"./assertion":124,"./at":125,"./case":126,"./coalesce":127,"./coercion":128,"./curve":129,"./let":131,"./literal":132,"./match":133,"./var":134}],131:[function(_dereq_,module,exports){"use strict";var Let=function(t,e,r){this.key=t,this.type=r.type,this.bindings=[].concat(e),this.result=r};Let.prototype.evaluate=function(t){t.pushScope(this.bindings);var e=this.result.evaluate(t);return t.popScope(),e},Let.prototype.eachChild=function(t){for(var r=0,n=this.bindings;r<n.length;r+=1)t(n[r][1]);t(this.result)},Let.parse=function(t,e){if(t.length<4)return e.error("Expected at least 3 arguments, but found "+(t.length-1)+" instead.");for(var r=[],n=1;n<t.length-1;n+=2){var i=t[n];if("string"!=typeof i)return e.error("Expected string, but found "+typeof i+" instead.",n);if(/[^a-zA-Z0-9_]/.test(i))return e.error("Variable names must contain only alphanumeric characters or '_'.",n);var s=e.parse(t[n+1],n+1);if(!s)return null;r.push([i,s])}var a=e.parse(t[t.length-1],t.length-1,void 0,r);return a?new Let(e.key,r,a):null},module.exports=Let},{}],132:[function(_dereq_,module,exports){"use strict";var ref=_dereq_("../values"),isValue=ref.isValue,typeOf=ref.typeOf,Literal=function(e,r,t){this.key=e,this.type=r,this.value=t};Literal.parse=function(e,r){if(2!==e.length)return r.error("'literal' expression requires exactly one argument, but found "+(e.length-1)+" instead.");if(!isValue(e[1]))return r.error("invalid value");var t=e[1],i=typeOf(t),a=r.expectedType;return"array"!==i.kind||0!==i.N||!a||"array"!==a.kind||"number"==typeof a.N&&0!==a.N||(i=a),new Literal(r.key,i,t)},Literal.prototype.evaluate=function(){return this.value},Literal.prototype.eachChild=function(){},module.exports=Literal},{"../values":143}],133:[function(_dereq_,module,exports){"use strict";var typeOf=_dereq_("../values").typeOf,Match=function(e,t,r,n,a,u,s){this.key=e,this.inputType=t,this.type=r,this.input=n,this.cases=a,this.outputs=u,this.otherwise=s};Match.parse=function(e,t){if(e.length<5)return t.error("Expected at least 4 arguments, but found only "+(e.length-1)+".");if(e.length%2!=1)return t.error("Expected an even number of arguments.");var r,n;t.expectedType&&"value"!==t.expectedType.kind&&(n=t.expectedType);for(var a={},u=[],s=2;s<e.length-1;s+=2){var i=e[s],h=e[s+1];Array.isArray(i)||(i=[i]);var l=t.concat(s);if(0===i.length)return l.error("Expected at least one branch label.");for(var o=0,p=i;o<p.length;o+=1){var c=p[o];if("number"!=typeof c&&"string"!=typeof c)return l.error("Branch labels must be numbers or strings.");if("number"==typeof c&&Math.abs(c)>Number.MAX_SAFE_INTEGER)return l.error("Branch labels must be integers no larger than "+Number.MAX_SAFE_INTEGER+".");if("number"==typeof c&&Math.floor(c)!==c)return l.error("Numeric branch labels must be integer values.");if(r){if(l.checkSubtype(r,typeOf(c)))return null}else r=typeOf(c);if(void 0!==a[String(c)])return l.error("Branch labels must be unique.");a[String(c)]=u.length}var f=t.parse(h,s,n);if(!f)return null;n=n||f.type,u.push(f)}var y=t.parse(e[1],1,r);if(!y)return null;var b=t.parse(e[e.length-1],e.length-1,n);return b?new Match(t.key,r,n,y,a,u,b):null},Match.prototype.evaluate=function(e){var t=this.input.evaluate(e);return(this.outputs[this.cases[t]]||this.otherwise).evaluate(e)},Match.prototype.eachChild=function(e){e(this.input),this.outputs.forEach(e),e(this.otherwise)},module.exports=Match},{"../values":143}],134:[function(_dereq_,module,exports){"use strict";var Var=function(e,r,t){this.key=e,this.type=t,this.name=r};Var.parse=function(e,r){if(2!==e.length||"string"!=typeof e[1])return r.error("'var' expression requires exactly one string literal argument.");var t=e[1];return r.scope.has(t)?new Var(r.key,t,r.scope.get(t).type):r.error('Unknown variable "'+t+'". Make sure "'+t+'" has been bound in an enclosing "let" expression before using it.',1)},Var.prototype.evaluate=function(e){return e.scope.get(this.name).evaluate(e)},Var.prototype.eachChild=function(){},module.exports=Var},{}],135:[function(_dereq_,module,exports){"use strict";var Scope=_dereq_("./scope"),parseColor=_dereq_("../util/parse_color"),Color=_dereq_("./values").Color,geometryTypes=["Unknown","Point","LineString","Polygon"],EvaluationContext=function(){this.scope=new Scope,this._parseColorCache={}};EvaluationContext.prototype.id=function(){return this.feature&&"id"in this.feature?this.feature.id:null},EvaluationContext.prototype.geometryType=function(){return this.feature?"number"==typeof this.feature.type?geometryTypes[this.feature.type]:this.feature.type:null},EvaluationContext.prototype.properties=function(){return this.feature&&this.feature.properties||{}},EvaluationContext.prototype.pushScope=function(e){this.scope=this.scope.concat(e)},EvaluationContext.prototype.popScope=function(){this.scope=this.scope.parent},EvaluationContext.prototype.parseColor=function(e){var t=this._parseColorCache[e];if(!t){var o=parseColor(e);t=this._parseColorCache[e]=o?new Color(o[0],o[1],o[2],o[3]):null}return t},module.exports=EvaluationContext},{"../util/parse_color":153,"./scope":141,"./values":143}],136:[function(_dereq_,module,exports){"use strict";function findZoomCurve(e){if(e instanceof Curve){var r=e.input;return r instanceof CompoundExpression&&"zoom"===r.name?e:null}if(e instanceof Let)return findZoomCurve(e.result);if(e instanceof Coalesce){for(var n=null,o=0,t=e.args;o<t.length;o+=1){var i=findZoomCurve(t[o]);if(i){if(i.error)return i;if(!(i instanceof Curve)||n)return{key:i.key,error:"Only one zoom-based curve may be used in a style function."};n=i}}return n}return null}var ParsingError=_dereq_("./parsing_error"),ParsingContext=_dereq_("./parsing_context"),EvaluationContext=_dereq_("./evaluation_context"),CompoundExpression=_dereq_("./compound_expression").CompoundExpression,Curve=_dereq_("./definitions/curve"),Coalesce=_dereq_("./definitions/coalesce"),Let=_dereq_("./definitions/let"),definitions=_dereq_("./definitions"),isConstant=_dereq_("./is_constant"),unwrap=_dereq_("./values").unwrap;module.exports.createExpression=function(e,r,n,o){void 0===o&&(o={});var t=new ParsingContext(definitions,[],function(e){var r={color:ColorType,string:StringType,number:NumberType,enum:StringType,boolean:BooleanType};return"array"===e.type?array(r[e.value]||ValueType,e.length):r[e.type]||null}(r)),s=t.parse(e);if(!s)return{result:"error",errors:t.errors};var i,a=new EvaluationContext;if(!1===o.handleErrors)i=function(e,r){return a.globals=e,a.feature=r,s.evaluate(a)};else{var u={},l=function(e){var r=e.default;if("color"===e.type&&isFunction(r))return[0,0,0,0];if("color"===e.type){var n=parseColor(r);return new Color(n[0],n[1],n[2],n[3])}return void 0===r?null:r}(r);i=function(e,r){a.globals=e,a.feature=r;try{var n=s.evaluate(a);return unwrap(null===n||void 0===n?l:n)}catch(e){return u[e.message]||(u[e.message]=!0,"undefined"!=typeof console&&console.warn(e.message)),unwrap(l)}}}var p=isConstant.isFeatureConstant(s);if(!p&&"property"===n&&!r["property-function"])return{result:"error",errors:[new ParsingError("","property expressions not supported")]};if(isConstant.isGlobalPropertyConstant(s,["zoom"]))return{result:"success",context:n,isZoomConstant:!0,isFeatureConstant:p,evaluate:i,parsed:s};if("filter"===n)return{result:"success",context:"filter",isZoomConstant:!1,isFeatureConstant:p,evaluate:i,parsed:s};var f=findZoomCurve(s);return f?f instanceof Curve?"step"!==f.interpolation.name&&"piecewise-constant"===r.function?{result:"error",errors:[new ParsingError(f.key,'interpolation type must be "step" for this property')]}:{result:"success",context:"property",isZoomConstant:!1,isFeatureConstant:p,evaluate:i,parsed:s,interpolation:f.interpolation,zoomStops:f.labels}:{result:"error",errors:[new ParsingError(f.key,f.error)]}:{result:"error",errors:[new ParsingError("",'"zoom" expression may only be used as input to a top-level "curve" expression.')]}},module.exports.isExpression=function(e){return Array.isArray(e)&&e.length>0&&"string"==typeof e[0]&&e[0]in definitions};var ref$2=_dereq_("./types"),ColorType=ref$2.ColorType,StringType=ref$2.StringType,NumberType=ref$2.NumberType,BooleanType=ref$2.BooleanType,ValueType=ref$2.ValueType,array=ref$2.array,isFunction=_dereq_("../function").isFunction,parseColor=_dereq_("../util/parse_color"),Color=_dereq_("./values").Color},{"../function":145,"../util/parse_color":153,"./compound_expression":122,"./definitions":130,"./definitions/coalesce":127,"./definitions/curve":129,"./definitions/let":131,"./evaluation_context":135,"./is_constant":137,"./parsing_context":138,"./parsing_error":139,"./types":142,"./values":143}],137:[function(_dereq_,module,exports){"use strict";function isFeatureConstant(n){if(n instanceof CompoundExpression){if("get"===n.name&&1===n.args.length)return!1;if("has"===n.name&&1===n.args.length)return!1;if("properties"===n.name||"geometry-type"===n.name||"id"===n.name)return!1}var e=!0;return n.eachChild(function(n){e&&!isFeatureConstant(n)&&(e=!1)}),e}function isGlobalPropertyConstant(n,e){if(n instanceof CompoundExpression&&e.indexOf(n.name)>=0)return!1;var t=!0;return n.eachChild(function(n){t&&!isGlobalPropertyConstant(n,e)&&(t=!1)}),t}var CompoundExpression=_dereq_("./compound_expression").CompoundExpression;module.exports={isFeatureConstant:isFeatureConstant,isGlobalPropertyConstant:isGlobalPropertyConstant}},{"./compound_expression":122}],138:[function(_dereq_,module,exports){"use strict";var Scope=_dereq_("./scope"),checkSubtype=_dereq_("./types").checkSubtype,ParsingError=_dereq_("./parsing_error"),Literal=_dereq_("./definitions/literal"),ParsingContext=function(e,r,t,n,i){void 0===r&&(r=[]),void 0===n&&(n=new Scope),void 0===i&&(i=[]),this.definitions=e,this.path=r,this.key=r.map(function(e){return"["+e+"]"}).join(""),this.scope=n,this.errors=i,this.expectedType=t};ParsingContext.prototype.parse=function(e,r,t,n){var i=this;if(r&&(i=i.concat(r,t,n)),null!==e&&"string"!=typeof e&&"boolean"!=typeof e&&"number"!=typeof e||(e=["literal",e]),Array.isArray(e)){if(0===e.length)return i.error('Expected an array with at least one element. If you wanted a literal array, use ["literal", []].');var o=e[0];if("string"!=typeof o)return i.error("Expression name must be a string, but found "+typeof o+' instead. If you wanted a literal array, use ["literal", [...]].',0),null;var a=i.definitions[o];if(a){var s=a.parse(e,i);if(!s)return null;var u=i.expectedType,l=s.type;if(u&&("string"!==u.kind&&"number"!==u.kind&&"boolean"!==u.kind||"value"!==l.kind?"color"!==u.kind||"value"!==l.kind&&"string"!==l.kind||(s=new(_dereq_("./definitions/coercion"))(s.key,u,[s])):s=new(_dereq_("./definitions/assertion"))(s.key,u,[s]),i.checkSubtype(u,s.type)))return null;if(!(s instanceof Literal)&&function(e){var t=_dereq_("./compound_expression").CompoundExpression,n=_dereq_("./is_constant"),i=n.isGlobalPropertyConstant,o=n.isFeatureConstant;if(e instanceof _dereq_("./definitions/var"))return!1;if(e instanceof t&&"error"===e.name)return!1;var a=!0;return e.eachChild(function(e){e instanceof Literal||(a=!1)}),!!a&&o(e)&&i(e,["zoom","heatmap-density"])}(s)){var c=new(_dereq_("./evaluation_context"));try{s=new Literal(s.key,s.type,s.evaluate(c))}catch(e){return i.error(e.message),null}}return s}return i.error('Unknown expression "'+o+'". If you wanted a literal array, use ["literal", [...]].',0)}return void 0===e?i.error("'undefined' value invalid. Use null instead."):"object"==typeof e?i.error('Bare objects invalid. Use ["literal", {...}] instead.'):i.error("Expected an array, but found "+typeof e+" instead.")},ParsingContext.prototype.concat=function(e,r,t){var n="number"==typeof e?this.path.concat(e):this.path,i=t?this.scope.concat(t):this.scope;return new ParsingContext(this.definitions,n,r||null,i,this.errors)},ParsingContext.prototype.error=function(e){for(var r=[],t=arguments.length-1;t-- >0;)r[t]=arguments[t+1];var n=""+this.key+r.map(function(e){return"["+e+"]"}).join("");this.errors.push(new ParsingError(n,e))},ParsingContext.prototype.checkSubtype=function(e,r){var t=checkSubtype(e,r);return t&&this.error(t),t},module.exports=ParsingContext},{"./compound_expression":122,"./definitions/assertion":124,"./definitions/coercion":128,"./definitions/literal":132,"./definitions/var":134,"./evaluation_context":135,"./is_constant":137,"./parsing_error":139,"./scope":141,"./types":142}],139:[function(_dereq_,module,exports){"use strict";var ParsingError=function(r){function t(t,o){r.call(this,o),this.message=o,this.key=t}return r&&(t.__proto__=r),t.prototype=Object.create(r&&r.prototype),t.prototype.constructor=t,t}(Error);module.exports=ParsingError},{}],140:[function(_dereq_,module,exports){"use strict";var RuntimeError=function(r){this.name="ExpressionEvaluationError",this.message=r};RuntimeError.prototype.toJSON=function(){return this.message},module.exports=RuntimeError},{}],141:[function(_dereq_,module,exports){"use strict";var Scope=function(t,n){void 0===n&&(n=[]),this.parent=t,this.bindings={};for(var e=0,r=n;e<r.length;e+=1){var o=r[e],s=o[0],p=o[1];this.bindings[s]=p}};Scope.prototype.concat=function(t){return new Scope(this,t)},Scope.prototype.get=function(t){if(this.bindings[t])return this.bindings[t];if(this.parent)return this.parent.get(t);throw new Error(t+" not found in scope.")},Scope.prototype.has=function(t){return!!this.bindings[t]||!!this.parent&&this.parent.has(t)},module.exports=Scope},{}],142:[function(_dereq_,module,exports){"use strict";function array(e,r){return{kind:"array",itemType:e,N:r}}function toString(e){if("array"===e.kind){var r=toString(e.itemType);return"number"==typeof e.N?"array<"+r+", "+e.N+">":"value"===e.itemType.kind?"array":"array<"+r+">"}return e.kind}function checkSubtype(e,r){if("error"===r.kind)return null;if("array"===e.kind){if("array"===r.kind&&!checkSubtype(e.itemType,r.itemType)&&("number"!=typeof e.N||e.N===r.N))return null}else{if(e.kind===r.kind)return null;if("value"===e.kind)for(var n=0,y=valueMemberTypes;n<y.length;n+=1)if(!checkSubtype(y[n],r))return null}return"Expected "+toString(e)+" but found "+toString(r)+" instead."}var NullType={kind:"null"},NumberType={kind:"number"},StringType={kind:"string"},BooleanType={kind:"boolean"},ColorType={kind:"color"},ObjectType={kind:"object"},ValueType={kind:"value"},valueMemberTypes=[NullType,NumberType,StringType,BooleanType,ColorType,ObjectType,array(ValueType)];module.exports={NullType:NullType,NumberType:NumberType,StringType:StringType,BooleanType:BooleanType,ColorType:ColorType,ObjectType:ObjectType,ValueType:ValueType,array:array,ErrorType:{kind:"error"},toString:toString,checkSubtype:checkSubtype}},{}],143:[function(_dereq_,module,exports){"use strict";function isValue(e){if(null===e)return!0;if("string"==typeof e)return!0;if("boolean"==typeof e)return!0;if("number"==typeof e)return!0;if(e instanceof Color)return!0;if(Array.isArray(e)){for(var r=0,n=e;r<n.length;r+=1)if(!isValue(n[r]))return!1;return!0}if("object"==typeof e){for(var t in e)if(!isValue(e[t]))return!1;return!0}return!1}function typeOf(e){if(null===e)return NullType;if("string"==typeof e)return StringType;if("boolean"==typeof e)return BooleanType;if("number"==typeof e)return NumberType;if(e instanceof Color)return ColorType;if(Array.isArray(e)){for(var r,n=e.length,t=0,u=e;t<u.length;t+=1){var a=typeOf(u[t]);if(r){if(r===a)continue;r=ValueType;break}r=a}return array(r||ValueType,n)}return ObjectType}var ref=_dereq_("./types"),NullType=ref.NullType,NumberType=ref.NumberType,StringType=ref.StringType,BooleanType=ref.BooleanType,ColorType=ref.ColorType,ObjectType=ref.ObjectType,ValueType=ref.ValueType,array=ref.array,Color=function(e,r,n,t){void 0===t&&(t=1),this.value=[e,r,n,t]};module.exports={Color:Color,validateRGBA:function(e,r,n,t){return"number"==typeof e&&e>=0&&e<=255&&"number"==typeof r&&r>=0&&r<=255&&"number"==typeof n&&n>=0&&n<=255?void 0===t||"number"==typeof t&&t>=0&&t<=1?null:"Invalid rgba value ["+[e,r,n,t].join(", ")+"]: 'a' must be between 0 and 1.":"Invalid rgba value ["+("number"==typeof t?[e,r,n,t]:[e,r,n]).join(", ")+"]: 'r', 'g', and 'b' must be between 0 and 255."},isValue:isValue,typeOf:typeOf,unwrap:function(e){return e instanceof Color?e.value:e}}},{"./types":142}],144:[function(_dereq_,module,exports){"use strict";function isExpressionFilter(e){if(!Array.isArray(e)||0===e.length)return!1;switch(e[0]){case"has":return e.length>=2&&"$id"!==e[1]&&"$type"!==e[1];case"in":case"!in":case"!has":case"none":return!1;case"==":case"!=":case">":case">=":case"<":case"<=":return 3===e.length&&(Array.isArray(e[1])||Array.isArray(e[2]));case"any":case"all":for(var r=0,i=e.slice(1);r<i.length;r+=1){var n=i[r];if(!isExpressionFilter(n)&&"boolean"!=typeof n)return!1}return!0;default:return!0}}function compile(e){if(!e)return"true";var r=e[0];return e.length<=1?"any"===r?"false":"true":"("+("=="===r?compileComparisonOp(e[1],e[2],"===",!1):"!="===r?compileComparisonOp(e[1],e[2],"!==",!1):"<"===r||">"===r||"<="===r||">="===r?compileComparisonOp(e[1],e[2],r,!0):"any"===r?compileLogicalOp(e.slice(1),"||"):"all"===r?compileLogicalOp(e.slice(1),"&&"):"none"===r?compileNegation(compileLogicalOp(e.slice(1),"||")):"in"===r?compileInOp(e[1],e.slice(2)):"!in"===r?compileNegation(compileInOp(e[1],e.slice(2))):"has"===r?compileHasOp(e[1]):"!has"===r?compileNegation(compileHasOp(e[1])):"true")+")"}function compilePropertyReference(e){return"$type"===e?"f.type":"$id"===e?"f.id":"p["+JSON.stringify(e)+"]"}function compileComparisonOp(e,r,i,n){var t=compilePropertyReference(e),o="$type"===e?types.indexOf(r):JSON.stringify(r);return(n?"typeof "+t+"=== typeof "+o+"&&":"")+t+i+o}function compileLogicalOp(e,r){return e.map(compile).join(r)}function compileInOp(e,r){"$type"===e&&(r=r.map(function(e){return types.indexOf(e)}));var i=JSON.stringify(r.sort(function(e,r){return e<r?-1:e>r?1:0})),n=compilePropertyReference(e);return r.length<=200?i+".indexOf("+n+") !== -1":"function(v, a, i, j) {while (i <= j) { var m = (i + j) >> 1; if (a[m] === v) return true; if (a[m] > v) j = m - 1; else i = m + 1;}return false; }("+n+", "+i+",0,"+(r.length-1)+")"}function compileHasOp(e){return"$id"===e?'"id" in f':JSON.stringify(e)+" in p"}function compileNegation(e){return"!("+e+")"}var createExpression=_dereq_("../expression").createExpression;module.exports=function(e){if(!e)return function(){return!0};if(!isExpressionFilter(e))return new Function("g","f","var p = (f && f.properties || {}); return "+compile(e));var r=createExpression(e,filterSpec,"filter");if("success"===r.result)return r.evaluate;throw new Error(r.errors.map(function(e){return e.key+": "+e.message}).join(", "))},module.exports.isExpressionFilter=isExpressionFilter;var types=["Unknown","Point","LineString","Polygon"],filterSpec={type:"boolean",default:!1,function:!0,"property-function":!0}},{"../expression":136}],145:[function(_dereq_,module,exports){"use strict";function identityFunction(t){return t}function createFunction(t,e,o){var n="color"===e.type,r=t.stops&&"object"==typeof t.stops[0][0],a=r||void 0!==t.property,i=r||!a,s=t.type||("interpolated"===e.function?"exponential":"interval");n&&((t=extend({},t)).stops&&(t.stops=t.stops.map(function(t){return[t[0],parseColor(t[1])]})),t.default?t.default=parseColor(t.default):t.default=parseColor(e.default));var u,p,l;if("exponential"===s)u=evaluateExponentialFunction;else if("interval"===s)u=function(t,e,o){if("number"!==getType(o))return coalesce(t.default,e.default);var n=t.stops.length;if(1===n)return t.stops[0][1];if(o<=t.stops[0][0])return t.stops[0][1];if(o>=t.stops[n-1][0])return t.stops[n-1][1];var r=findStopLessThanOrEqualTo(t.stops,o);return t.stops[r][1]};else if("categorical"===s){u=function(t,e,o,n,r){return coalesce(typeof o===r?n[o]:void 0,t.default,e.default)},p=Object.create(null);for(var c=0,f=t.stops;c<f.length;c+=1){var v=f[c];p[v[0]]=v[1]}l=typeof t.stops[0][0]}else{if("identity"!==s)throw new Error('Unknown function type "'+s+'"');u=function(t,e,o){return"color"===e.type?o=parseColor(o):getType(o)===e.type||"enum"===e.type&&e.values[o]||(o=void 0),coalesce(o,t.default,e.default)}}var d;if(t.colorSpace&&"rgb"!==t.colorSpace){if(!colorSpaces[t.colorSpace])throw new Error("Unknown color space: "+t.colorSpace);var y=colorSpaces[t.colorSpace];t=JSON.parse(JSON.stringify(t));for(var F=0;F<t.stops.length;F++)t.stops[F]=[t.stops[F][0],y.forward(t.stops[F][1])];d=y.reverse}else d=identityFunction;if(r){for(var h={},m=[],g=0;g<t.stops.length;g++){var S=t.stops[g],b=S[0].zoom;void 0===h[b]&&(h[b]={zoom:b,type:t.type,property:t.property,default:t.default,stops:[]},m.push(b)),h[b].stops.push([S[0].value,S[1]])}for(var x=[],C=0,T=m;C<T.length;C+=1){var w=T[C];x.push([h[w].zoom,createFunction(h[w],e)])}return{isFeatureConstant:!1,interpolation:{name:"linear"},zoomStops:x.map(function(t){return t[0]}),evaluate:function(o,n){var r=o.zoom;return d(evaluateExponentialFunction({stops:x,base:t.base},e,r).evaluate(r,n))}}}if(i){var q;return q="heatmap-color"===o?function(o){var n=o.heatmapDensity;return d(u(t,e,n,p,l))}:function(o){var n=o.zoom;return d(u(t,e,n,p,l))},{isFeatureConstant:!0,isZoomConstant:!1,interpolation:"exponential"===s?{name:"exponential",base:void 0!==t.base?t.base:1}:{name:"step"},zoomStops:t.stops.map(function(t){return t[0]}),evaluate:q}}return{isFeatureConstant:!1,isZoomConstant:!0,evaluate:function(o,n){var r=n&&n.properties?n.properties[t.property]:void 0;return void 0===r?coalesce(t.default,e.default):d(u(t,e,r,p,l))}}}function coalesce(t,e,o){return void 0!==t?t:void 0!==e?e:void 0!==o?o:void 0}function evaluateExponentialFunction(t,e,o){var n=void 0!==t.base?t.base:1;if("number"!==getType(o))return coalesce(t.default,e.default);var r=t.stops.length;if(1===r)return t.stops[0][1];if(o<=t.stops[0][0])return t.stops[0][1];if(o>=t.stops[r-1][0])return t.stops[r-1][1];var a=findStopLessThanOrEqualTo(t.stops,o),i=function(t,e,o,n){var r=n-o,a=t-o;return 0===r?0:1===e?a/r:(Math.pow(e,a)-1)/(Math.pow(e,r)-1)}(o,n,t.stops[a][0],t.stops[a+1][0]),s=t.stops[a][1],u=t.stops[a+1][1],p=interpolate[e.type]||identityFunction;return"function"==typeof s.evaluate?{evaluate:function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];var o=s.evaluate.apply(void 0,t),n=u.evaluate.apply(void 0,t);if(void 0!==o&&void 0!==n)return p(o,n,i)}}:p(s,u,i)}function findStopLessThanOrEqualTo(t,e){for(var o,n,a=0,i=t.length-1,s=0;a<=i;){if(s=Math.floor((a+i)/2),o=t[s][0],n=t[s+1][0],e===o||e>o&&e<n)return s;o<e?a=s+1:o>e&&(i=s-1)}return Math.max(s-1,0)}var colorSpaces=_dereq_("../util/color_spaces"),parseColor=_dereq_("../util/parse_color"),extend=_dereq_("../util/extend"),getType=_dereq_("../util/get_type"),interpolate=_dereq_("../util/interpolate");module.exports={createFunction:createFunction,isFunction:function(t){return"object"==typeof t&&null!==t&&!Array.isArray(t)}}},{"../util/color_spaces":149,"../util/extend":150,"../util/get_type":151,"../util/interpolate":152,"../util/parse_color":153}],146:[function(_dereq_,module,exports){"use strict";function stringify(r){var t=typeof r;if("number"===t||"boolean"===t||"string"===t||void 0===r||null===r)return JSON.stringify(r);if(Array.isArray(r)){for(var e="[",i=0,n=r;i<n.length;i+=1)e+=stringify(n[i])+",";return e+"]"}for(var o=Object.keys(r).sort(),f="{",u=0;u<o.length;u++)f+=JSON.stringify(o[u])+":"+stringify(r[o[u]])+",";return f+"}"}var refProperties=_dereq_("./util/ref_properties");module.exports=function(r){for(var t={},e=0;e<r.length;e++){var i=function(r){for(var t="",e=0,i=refProperties;e<i.length;e+=1)t+="/"+stringify(r[i[e]]);return t}(r[e]),n=t[i];n||(n=t[i]=[]),n.push(r[e])}var o=[];for(var f in t)o.push(t[f]);return o}},{"./util/ref_properties":154}],147:[function(_dereq_,module,exports){"use strict";module.exports=_dereq_("./v8.json")},{"./v8.json":148}],148:[function(_dereq_,module,exports){module.exports={$version:8,$root:{version:{required:!0,type:"enum",values:[8]},name:{type:"string"},metadata:{type:"*"},center:{type:"array",value:"number"},zoom:{type:"number"},bearing:{type:"number",default:0,period:360,units:"degrees"},pitch:{type:"number",default:0,units:"degrees"},light:{type:"light"},sources:{required:!0,type:"sources"},sprite:{type:"string"},glyphs:{type:"string"},transition:{type:"transition"},layers:{required:!0,type:"array",value:"layer"}},sources:{"*":{type:"source"}},source:["source_tile","source_geojson","source_video","source_image","source_canvas"],source_tile:{type:{required:!0,type:"enum",values:{vector:{},raster:{}}},url:{type:"string"},tiles:{type:"array",value:"string"},bounds:{type:"array",value:"number",length:4,default:[-180,-85.0511,180,85.0511]},minzoom:{type:"number",default:0},maxzoom:{type:"number",default:22},tileSize:{type:"number",default:512,units:"pixels"},"*":{type:"*"}},source_geojson:{type:{required:!0,type:"enum",values:{geojson:{}}},data:{type:"*"},maxzoom:{type:"number",default:18},buffer:{type:"number",default:128,maximum:512,minimum:0},tolerance:{type:"number",default:.375},cluster:{type:"boolean",default:!1},clusterRadius:{type:"number",default:50,minimum:0},clusterMaxZoom:{type:"number"}},source_video:{type:{required:!0,type:"enum",values:{video:{}}},urls:{required:!0,type:"array",value:"string"},coordinates:{required:!0,type:"array",length:4,value:{type:"array",length:2,value:"number"}}},source_image:{type:{required:!0,type:"enum",values:{image:{}}},url:{required:!0,type:"string"},coordinates:{required:!0,type:"array",length:4,value:{type:"array",length:2,value:"number"}}},source_canvas:{type:{required:!0,type:"enum",values:{canvas:{}}},coordinates:{required:!0,type:"array",length:4,value:{type:"array",length:2,value:"number"}},animate:{type:"boolean",default:"true"},canvas:{type:"string",required:!0}},layer:{id:{type:"string",required:!0},type:{type:"enum",values:{fill:{},line:{},symbol:{},circle:{},heatmap:{},"fill-extrusion":{},raster:{},background:{}}},metadata:{type:"*"},source:{type:"string"},"source-layer":{type:"string"},minzoom:{type:"number",minimum:0,maximum:24},maxzoom:{type:"number",minimum:0,maximum:24},filter:{type:"filter"},layout:{type:"layout"},paint:{type:"paint"},"paint.*":{type:"paint"}},layout:["layout_fill","layout_line","layout_circle","layout_heatmap","layout_fill-extrusion","layout_symbol","layout_raster","layout_background"],layout_background:{visibility:{type:"enum",values:{visible:{},none:{}},default:"visible"}},layout_fill:{visibility:{type:"enum",values:{visible:{},none:{}},default:"visible"}},layout_circle:{visibility:{type:"enum",values:{visible:{},none:{}},default:"visible"}},layout_heatmap:{visibility:{type:"enum",values:{visible:{},none:{}},default:"visible"}},"layout_fill-extrusion":{visibility:{type:"enum",values:{visible:{},none:{}},default:"visible"}},layout_line:{"line-cap":{type:"enum",function:"piecewise-constant","zoom-function":!0,values:{butt:{},round:{},square:{}},default:"butt"},"line-join":{type:"enum",function:"piecewise-constant","zoom-function":!0,"property-function":!0,values:{bevel:{},round:{},miter:{}},default:"miter"},"line-miter-limit":{type:"number",default:2,function:"interpolated","zoom-function":!0,requires:[{"line-join":"miter"}]},"line-round-limit":{type:"number",default:1.05,function:"interpolated","zoom-function":!0,requires:[{"line-join":"round"}]},visibility:{type:"enum",values:{visible:{},none:{}},default:"visible"}},layout_symbol:{"symbol-placement":{type:"enum",function:"piecewise-constant","zoom-function":!0,values:{point:{},line:{}},default:"point"},"symbol-spacing":{type:"number",default:250,minimum:1,function:"interpolated","zoom-function":!0,units:"pixels",requires:[{"symbol-placement":"line"}]},"symbol-avoid-edges":{type:"boolean",function:"piecewise-constant","zoom-function":!0,default:!1},"icon-allow-overlap":{type:"boolean",function:"piecewise-constant","zoom-function":!0,default:!1,requires:["icon-image"]},"icon-ignore-placement":{type:"boolean",function:"piecewise-constant","zoom-function":!0,default:!1,requires:["icon-image"]},"icon-optional":{type:"boolean",function:"piecewise-constant","zoom-function":!0,default:!1,requires:["icon-image","text-field"]},"icon-rotation-alignment":{type:"enum",function:"piecewise-constant","zoom-function":!0,values:{map:{},viewport:{},auto:{}},default:"auto",requires:["icon-image"]},"icon-size":{type:"number",default:1,minimum:0,function:"interpolated","zoom-function":!0,"property-function":!0,units:"factor of the original icon 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found",t)]:[]}},{"../error/validation_error":121,"../util/get_type":151}],159:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),getType=_dereq_("../util/get_type"),parseCSSColor=_dereq_("csscolorparser").parseCSSColor;module.exports=function(r){var e=r.key,o=r.value,t=getType(o);return"string"!==t?[new ValidationError(e,o,"color expected, %s found",t)]:null===parseCSSColor(o)?[new ValidationError(e,o,'color expected, "%s" found',o)]:[]}},{"../error/validation_error":121,"../util/get_type":151,csscolorparser:11}],160:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),getType=_dereq_("../util/get_type");module.exports=function(r){var e=r.key,t=r.value;if(r.styleSpec.$version>7)return t?[new ValidationError(e,t,"constants have been deprecated as of v8")]:[];var a=getType(t);if("object"!==a)return[new ValidationError(e,t,"object expected, %s found",a)];var o=[];for(var n in t)"@"!==n[0]&&o.push(new ValidationError(e+"."+n,t[n],'constants must start with "@"'));return o}},{"../error/validation_error":121,"../util/get_type":151}],161:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),unbundle=_dereq_("../util/unbundle_jsonlint");module.exports=function(e){var r=e.key,n=e.value,u=e.valueSpec,i=[];return Array.isArray(u.values)?-1===u.values.indexOf(unbundle(n))&&i.push(new ValidationError(r,n,"expected one of [%s], %s found",u.values.join(", "),JSON.stringify(n))):-1===Object.keys(u.values).indexOf(unbundle(n))&&i.push(new ValidationError(r,n,"expected one of [%s], %s found",Object.keys(u.values).join(", "),JSON.stringify(n))),i}},{"../error/validation_error":121,"../util/unbundle_jsonlint":155}],162:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),createExpression=_dereq_("../expression").createExpression,unbundle=_dereq_("../util/unbundle_jsonlint");module.exports=function(e){var r=createExpression(unbundle.deep(e.value),e.valueSpec,e.expressionContext);return"success"===r.result?[]:r.errors.map(function(r){return new ValidationError(""+e.key+r.key,e.value,r.message)})}},{"../error/validation_error":121,"../expression":136,"../util/unbundle_jsonlint":155}],163:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),validateExpression=_dereq_("./validate_expression"),validateEnum=_dereq_("./validate_enum"),getType=_dereq_("../util/get_type"),unbundle=_dereq_("../util/unbundle_jsonlint"),extend=_dereq_("../util/extend"),isExpressionFilter=_dereq_("../feature_filter").isExpressionFilter;module.exports=function e(r){var t,a=r.value,n=r.key,s=r.styleSpec,l=[];if("array"!==getType(a))return[new ValidationError(n,a,"array expected, %s found",getType(a))];if(isExpressionFilter(unbundle.deep(a)))return validateExpression(extend({},r,{expressionContext:"filter",valueSpec:{value:"boolean"}}));if(a.length<1)return[new ValidationError(n,a,"filter array must have at least 1 element")];switch(l=l.concat(validateEnum({key:n+"[0]",value:a[0],valueSpec:s.filter_operator,style:r.style,styleSpec:r.styleSpec})),unbundle(a[0])){case"<":case"<=":case">":case">=":a.length>=2&&"$type"===unbundle(a[1])&&l.push(new ValidationError(n,a,'"$type" cannot be use with operator "%s"',a[0]));case"==":case"!=":3!==a.length&&l.push(new ValidationError(n,a,'filter array for operator "%s" must have 3 elements',a[0]));case"in":case"!in":a.length>=2&&"string"!==(t=getType(a[1]))&&l.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",t));for(var i=2;i<a.length;i++)t=getType(a[i]),"$type"===unbundle(a[1])?l=l.concat(validateEnum({key:n+"["+i+"]",value:a[i],valueSpec:s.geometry_type,style:r.style,styleSpec:r.styleSpec})):"string"!==t&&"number"!==t&&"boolean"!==t&&l.push(new ValidationError(n+"["+i+"]",a[i],"string, number, or boolean expected, %s found",t));break;case"any":case"all":case"none":for(var o=1;o<a.length;o++)l=l.concat(e({key:n+"["+o+"]",value:a[o],style:r.style,styleSpec:r.styleSpec}));break;case"has":case"!has":t=getType(a[1]),2!==a.length?l.push(new ValidationError(n,a,'filter array for "%s" operator must have 2 elements',a[0])):"string"!==t&&l.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",t))}return l}},{"../error/validation_error":121,"../feature_filter":144,"../util/extend":150,"../util/get_type":151,"../util/unbundle_jsonlint":155,"./validate_enum":161,"./validate_expression":162}],164:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),getType=_dereq_("../util/get_type"),validate=_dereq_("./validate"),validateObject=_dereq_("./validate_object"),validateArray=_dereq_("./validate_array"),validateNumber=_dereq_("./validate_number"),unbundle=_dereq_("../util/unbundle_jsonlint");module.exports=function(e){function r(e){var t=[],r=e.value,o=e.key;if("array"!==getType(r))return[new ValidationError(o,r,"array expected, %s found",getType(r))];if(2!==r.length)return[new ValidationError(o,r,"array length %d expected, length %d found",2,r.length)];if(c){if("object"!==getType(r[0]))return[new ValidationError(o,r,"object expected, %s found",getType(r[0]))];if(void 0===r[0].zoom)return[new ValidationError(o,r,"object stop key must have zoom")];if(void 0===r[0].value)return[new ValidationError(o,r,"object stop key must have value")];if(l&&l>unbundle(r[0].zoom))return[new ValidationError(o,r[0].zoom,"stop zoom values must appear in ascending order")];unbundle(r[0].zoom)!==l&&(l=unbundle(r[0].zoom),i=void 0,s={}),t=t.concat(validateObject({key:o+"[0]",value:r[0],valueSpec:{zoom:{}},style:e.style,styleSpec:e.styleSpec,objectElementValidators:{zoom:validateNumber,value:a}}))}else t=t.concat(a({key:o+"[0]",value:r[0],valueSpec:{},style:e.style,styleSpec:e.styleSpec},r));return t.concat(validate({key:o+"[1]",value:r[1],valueSpec:u,style:e.style,styleSpec:e.styleSpec}))}function a(e,t){var r=getType(e.value),a=unbundle(e.value),o=null!==e.value?e.value:t;if(n){if(r!==n)return[new ValidationError(e.key,o,"%s stop domain type must match previous stop domain type %s",r,n)]}else n=r;if("number"!==r&&"string"!==r&&"boolean"!==r)return[new ValidationError(e.key,o,"stop domain value must be a number, string, or boolean")];if("number"!==r&&"categorical"!==p){var l="number expected, %s found";return u["property-function"]&&void 0===p&&(l+='\nIf you intended to use a categorical function, specify `"type": "categorical"`.'),[new ValidationError(e.key,o,l,r)]}return"categorical"!==p||"number"!==r||isFinite(a)&&Math.floor(a)===a?"categorical"!==p&&"number"===r&&void 0!==i&&a<i?[new ValidationError(e.key,o,"stop domain values must appear in ascending order")]:(i=a,"categorical"===p&&a in s?[new ValidationError(e.key,o,"stop domain values must be unique")]:(s[a]=!0,[])):[new ValidationError(e.key,o,"integer expected, found %s",a)]}var n,i,l,u=e.valueSpec,p=unbundle(e.value.type),s={},y="categorical"!==p&&void 0===e.value.property,d=!y,c="array"===getType(e.value.stops)&&"array"===getType(e.value.stops[0])&&"object"===getType(e.value.stops[0][0]),v=validateObject({key:e.key,value:e.value,valueSpec:e.styleSpec.function,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{stops:function(e){if("identity"===p)return[new ValidationError(e.key,e.value,'identity function may not have a "stops" property')];var t=[],a=e.value;return t=t.concat(validateArray({key:e.key,value:a,valueSpec:e.valueSpec,style:e.style,styleSpec:e.styleSpec,arrayElementValidator:r})),"array"===getType(a)&&0===a.length&&t.push(new ValidationError(e.key,a,"array must have at least one stop")),t},default:function(e){return validate({key:e.key,value:e.value,valueSpec:u,style:e.style,styleSpec:e.styleSpec})}}});return"identity"===p&&y&&v.push(new ValidationError(e.key,e.value,'missing required property "property"')),"identity"===p||e.value.stops||v.push(new ValidationError(e.key,e.value,'missing required property "stops"')),"exponential"===p&&"piecewise-constant"===e.valueSpec.function&&v.push(new ValidationError(e.key,e.value,"exponential functions not supported")),e.styleSpec.$version>=8&&(d&&!e.valueSpec["property-function"]?v.push(new ValidationError(e.key,e.value,"property functions not supported")):y&&!e.valueSpec["zoom-function"]&&v.push(new ValidationError(e.key,e.value,"zoom functions not supported"))),"categorical"!==p&&!c||void 0!==e.value.property||v.push(new ValidationError(e.key,e.value,'"property" property is required')),v}},{"../error/validation_error":121,"../util/get_type":151,"../util/unbundle_jsonlint":155,"./validate":156,"./validate_array":157,"./validate_number":169,"./validate_object":170}],165:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),validateString=_dereq_("./validate_string");module.exports=function(r){var e=r.value,t=r.key,a=validateString(r);return a.length?a:(-1===e.indexOf("{fontstack}")&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{fontstack}" token')),-1===e.indexOf("{range}")&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{range}" token')),a)}},{"../error/validation_error":121,"./validate_string":174}],166:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),unbundle=_dereq_("../util/unbundle_jsonlint"),validateObject=_dereq_("./validate_object"),validateFilter=_dereq_("./validate_filter"),validatePaintProperty=_dereq_("./validate_paint_property"),validateLayoutProperty=_dereq_("./validate_layout_property"),extend=_dereq_("../util/extend");module.exports=function(e){var r=[],t=e.value,a=e.key,i=e.style,l=e.styleSpec;t.type||t.ref||r.push(new ValidationError(a,t,'either "type" or "ref" is required'));var u=unbundle(t.type),n=unbundle(t.ref);if(t.id)for(var o=unbundle(t.id),s=0;s<e.arrayIndex;s++){var d=i.layers[s];unbundle(d.id)===o&&r.push(new ValidationError(a,t.id,'duplicate layer id "%s", previously used at line %d',t.id,d.id.__line__))}if("ref"in t){["type","source","source-layer","filter","layout"].forEach(function(e){e in t&&r.push(new ValidationError(a,t[e],'"%s" is prohibited for ref layers',e))});var y;i.layers.forEach(function(e){unbundle(e.id)===n&&(y=e)}),y?y.ref?r.push(new ValidationError(a,t.ref,"ref cannot reference another ref layer")):u=unbundle(y.type):r.push(new ValidationError(a,t.ref,'ref layer "%s" not found',n))}else if("background"!==u)if(t.source){var c=i.sources&&i.sources[t.source],p=c&&unbundle(c.type);c?"vector"===p&&"raster"===u?r.push(new ValidationError(a,t.source,'layer "%s" requires a raster source',t.id)):"raster"===p&&"raster"!==u?r.push(new ValidationError(a,t.source,'layer "%s" requires a vector source',t.id)):"vector"!==p||t["source-layer"]||r.push(new ValidationError(a,t,'layer "%s" must specify a "source-layer"',t.id)):r.push(new ValidationError(a,t.source,'source "%s" not found',t.source))}else r.push(new ValidationError(a,t,'missing required property "source"'));return r=r.concat(validateObject({key:a,value:t,valueSpec:l.layer,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(){return[]},filter:validateFilter,layout:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validateLayoutProperty(extend({layerType:u},e))}}})},paint:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validatePaintProperty(extend({layerType:u},e))}}})}}}))}},{"../error/validation_error":121,"../util/extend":150,"../util/unbundle_jsonlint":155,"./validate_filter":163,"./validate_layout_property":167,"./validate_object":170,"./validate_paint_property":171}],167:[function(_dereq_,module,exports){"use strict";var validateProperty=_dereq_("./validate_property");module.exports=function(r){return validateProperty(r,"layout")}},{"./validate_property":172}],168:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),getType=_dereq_("../util/get_type"),validate=_dereq_("./validate");module.exports=function(e){var t=e.value,r=e.styleSpec,a=r.light,i=e.style,n=[],o=getType(t);if(void 0===t)return n;if("object"!==o)return n=n.concat([new ValidationError("light",t,"object expected, %s found",o)]);for(var l in t){var c=l.match(/^(.*)-transition$/);n=c&&a[c[1]]&&a[c[1]].transition?n.concat(validate({key:l,value:t[l],valueSpec:r.transition,style:i,styleSpec:r})):a[l]?n.concat(validate({key:l,value:t[l],valueSpec:a[l],style:i,styleSpec:r})):n.concat([new ValidationError(l,t[l],'unknown property "%s"',l)])}return n}},{"../error/validation_error":121,"../util/get_type":151,"./validate":156}],169:[function(_dereq_,module,exports){"use strict";var getType=_dereq_("../util/get_type"),ValidationError=_dereq_("../error/validation_error");module.exports=function(e){var r=e.key,i=e.value,m=e.valueSpec,a=getType(i);return"number"!==a?[new ValidationError(r,i,"number expected, %s found",a)]:"minimum"in m&&i<m.minimum?[new ValidationError(r,i,"%s is less than the minimum value %s",i,m.minimum)]:"maximum"in m&&i>m.maximum?[new ValidationError(r,i,"%s is greater than the maximum value %s",i,m.maximum)]:[]}},{"../error/validation_error":121,"../util/get_type":151}],170:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),getType=_dereq_("../util/get_type"),validateSpec=_dereq_("./validate");module.exports=function(e){var r=e.key,t=e.value,i=e.valueSpec||{},a=e.objectElementValidators||{},o=e.style,l=e.styleSpec,n=[],u=getType(t);if("object"!==u)return[new ValidationError(r,t,"object expected, %s found",u)];for(var d in t){var p=d.split(".")[0],s=i[p]||i["*"],c=void 0;if(a[p])c=a[p];else if(i[p])c=validateSpec;else if(a["*"])c=a["*"];else{if(!i["*"]){n.push(new ValidationError(r,t[d],'unknown property "%s"',d));continue}c=validateSpec}n=n.concat(c({key:(r?r+".":r)+d,value:t[d],valueSpec:s,style:o,styleSpec:l,object:t,objectKey:d},t))}for(var v in i)i[v].required&&void 0===i[v].default&&void 0===t[v]&&n.push(new ValidationError(r,t,'missing required property "%s"',v));return n}},{"../error/validation_error":121,"../util/get_type":151,"./validate":156}],171:[function(_dereq_,module,exports){"use strict";var validateProperty=_dereq_("./validate_property");module.exports=function(r){return validateProperty(r,"paint")}},{"./validate_property":172}],172:[function(_dereq_,module,exports){"use strict";var validate=_dereq_("./validate"),ValidationError=_dereq_("../error/validation_error"),getType=_dereq_("../util/get_type");module.exports=function(e,t){var r=e.key,i=e.style,n=e.styleSpec,a=e.value,o=e.objectKey,p=n[t+"_"+e.layerType];if(!p)return[];var y=o.match(/^(.*)-transition$/);if("paint"===t&&y&&p[y[1]]&&p[y[1]].transition)return validate({key:r,value:a,valueSpec:n.transition,style:i,styleSpec:n});var l=e.valueSpec||p[o];if(!l)return[new ValidationError(r,a,'unknown property "%s"',o)];var s;if("string"===getType(a)&&l["property-function"]&&!l.tokens&&(s=/^{([^}]+)}$/.exec(a)))return[new ValidationError(r,a,'"%s" does not support interpolation syntax\nUse an identity property function instead: `{ "type": "identity", "property": %s` }`.',o,JSON.stringify(s[1]))];var u=[];return"symbol"===e.layerType&&"text-field"===o&&i&&!i.glyphs&&u.push(new ValidationError(r,a,'use of "text-field" requires a style "glyphs" property')),u.concat(validate({key:e.key,value:a,valueSpec:l,style:i,styleSpec:n,expressionContext:"property"}))}},{"../error/validation_error":121,"../util/get_type":151,"./validate":156}],173:[function(_dereq_,module,exports){"use strict";var ValidationError=_dereq_("../error/validation_error"),unbundle=_dereq_("../util/unbundle_jsonlint"),validateObject=_dereq_("./validate_object"),validateEnum=_dereq_("./validate_enum");module.exports=function(e){var a=e.value,t=e.key,r=e.styleSpec,l=e.style;if(!a.type)return[new ValidationError(t,a,'"type" is required')];var i=[];switch(unbundle(a.type)){case"vector":case"raster":if(i=i.concat(validateObject({key:t,value:a,valueSpec:r.source_tile,style:e.style,styleSpec:r})),"url"in a)for(var s in a)["type","url","tileSize"].indexOf(s)<0&&i.push(new ValidationError(t+"."+s,a[s],'a source with a "url" property may not include a "%s" property',s));return i;case"geojson":return validateObject({key:t,value:a,valueSpec:r.source_geojson,style:l,styleSpec:r});case"video":return validateObject({key:t,value:a,valueSpec:r.source_video,style:l,styleSpec:r});case"image":return validateObject({key:t,value:a,valueSpec:r.source_image,style:l,styleSpec:r});case"canvas":return validateObject({key:t,value:a,valueSpec:r.source_canvas,style:l,styleSpec:r});default:return validateEnum({key:t+".type",value:a.type,valueSpec:{values:["vector","raster","geojson","video","image","canvas"]},style:l,styleSpec:r})}}},{"../error/validation_error":121,"../util/unbundle_jsonlint":155,"./validate_enum":161,"./validate_object":170}],174:[function(_dereq_,module,exports){"use strict";var getType=_dereq_("../util/get_type"),ValidationError=_dereq_("../error/validation_error");module.exports=function(r){var e=r.value,t=r.key,i=getType(e);return"string"!==i?[new ValidationError(t,e,"string expected, %s found",i)]:[]}},{"../error/validation_error":121,"../util/get_type":151}],175:[function(_dereq_,module,exports){"use strict";function validateStyleMin(e,a){a=a||latestStyleSpec;var t=[];return t=t.concat(validate({key:"",value:e,valueSpec:a.$root,styleSpec:a,style:e,objectElementValidators:{glyphs:validateGlyphsURL,"*":function(){return[]}}})),a.$version>7&&e.constants&&(t=t.concat(validateConstants({key:"constants",value:e.constants,style:e,styleSpec:a}))),sortErrors(t)}function sortErrors(e){return[].concat(e).sort(function(e,a){return e.line-a.line})}function wrapCleanErrors(e){return function(){return sortErrors(e.apply(this,arguments))}}var validateConstants=_dereq_("./validate/validate_constants"),validate=_dereq_("./validate/validate"),latestStyleSpec=_dereq_("./reference/latest"),validateGlyphsURL=_dereq_("./validate/validate_glyphs_url");validateStyleMin.source=wrapCleanErrors(_dereq_("./validate/validate_source")),validateStyleMin.light=wrapCleanErrors(_dereq_("./validate/validate_light")),validateStyleMin.layer=wrapCleanErrors(_dereq_("./validate/validate_layer")),validateStyleMin.filter=wrapCleanErrors(_dereq_("./validate/validate_filter")),validateStyleMin.paintProperty=wrapCleanErrors(_dereq_("./validate/validate_paint_property")),validateStyleMin.layoutProperty=wrapCleanErrors(_dereq_("./validate/validate_layout_property")),module.exports=validateStyleMin},{"./reference/latest":147,"./validate/validate":156,"./validate/validate_constants":160,"./validate/validate_filter":163,"./validate/validate_glyphs_url":165,"./validate/validate_layer":166,"./validate/validate_layout_property":167,"./validate/validate_light":168,"./validate/validate_paint_property":171,"./validate/validate_source":173}],176:[function(_dereq_,module,exports){"use strict";var AnimationLoop=function(){this.n=0,this.times=[]};AnimationLoop.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},AnimationLoop.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},AnimationLoop.prototype.cancel=function(t){this.times=this.times.filter(function(i){return i.id!==t})},module.exports=AnimationLoop},{}],177:[function(_dereq_,module,exports){"use strict";var styleSpec=_dereq_("../style-spec/reference/latest"),util=_dereq_("../util/util"),Evented=_dereq_("../util/evented"),validateStyle=_dereq_("./validate_style"),StyleDeclaration=_dereq_("./style_declaration"),StyleTransition=_dereq_("./style_transition"),properties=["anchor","color","position","intensity"],specifications=styleSpec.light,Light=function(t){function i(i){t.call(this),this.set(i)}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.set=function(t){if(!this._validate(validateStyle.light,t)){this._declarations={},this._transitions={},this._transitionOptions={},this.calculated={},t=util.extend({anchor:specifications.anchor.default,color:specifications.color.default,position:specifications.position.default,intensity:specifications.intensity.default},t);for(var e=0,o=properties;e<o.length;e+=1){var n=o[e];this._declarations[n]=new StyleDeclaration(specifications[n],t[n],n)}return this}},i.prototype.getLight=function(){return{anchor:this.getLightProperty("anchor"),color:this.getLightProperty("color"),position:this.getLightProperty("position"),intensity:this.getLightProperty("intensity")}},i.prototype.getLightProperty=function(t){return util.endsWith(t,"-transition")?this._transitionOptions[t]:this._declarations[t]&&this._declarations[t].value},i.prototype.getLightValue=function(t,i){if("position"===t){var e=this._transitions[t].calculate(i),o=util.sphericalToCartesian(e);return{x:o[0],y:o[1],z:o[2]}}return this._transitions[t].calculate(i)},i.prototype.setLight=function(t){var i=this;if(!this._validate(validateStyle.light,t))for(var e in t){var o=t[e];util.endsWith(e,"-transition")?i._transitionOptions[e]=o:null===o||void 0===o?delete i._declarations[e]:i._declarations[e]=new StyleDeclaration(specifications[e],o,e)}},i.prototype.recalculate=function(t){var i=this;for(var e in i._declarations)i.calculated[e]=i.getLightValue(e,{zoom:t})},i.prototype._applyLightDeclaration=function(t,i,e,o,n){var r=e.transition?this._transitions[t]:void 0,a=specifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(a,a.default,t)),!r||r.declaration.json!==i.json){var s=util.extend({duration:300,delay:0},o,this.getLightProperty(t+"-transition")),l=this._transitions[t]=new StyleTransition(a,i,r,s);l.instant()||(l.loopID=n.set(l.endTime-Date.now())),r&&n.cancel(r.loopID)}},i.prototype.updateLightTransitions=function(t,i,e){var o,n=this;for(o in n._declarations)n._applyLightDeclaration(o,n._declarations[o],t,i,e)},i.prototype._validate=function(t,i){return validateStyle.emitErrors(this,t.call(validateStyle,util.extend({value:i,style:{glyphs:!0,sprite:!0},styleSpec:styleSpec})))},i}(Evented);module.exports=Light},{"../style-spec/reference/latest":147,"../util/evented":239,"../util/util":252,"./style_declaration":183,"./style_transition":194,"./validate_style":195}],178:[function(_dereq_,module,exports){"use strict";var normalizeGlyphsURL=_dereq_("../util/mapbox").normalizeGlyphsURL,ajax=_dereq_("../util/ajax"),parseGlyphPBF=_dereq_("./parse_glyph_pbf");module.exports=function(e,r,a,l,p){var i=256*r,s=i+255,t=l(normalizeGlyphsURL(a).replace("{fontstack}",e).replace("{range}",i+"-"+s),ajax.ResourceType.Glyphs);ajax.getArrayBuffer(t,function(e,r){if(e)p(e);else if(r){for(var a={},l=0,i=parseGlyphPBF(r.data);l<i.length;l+=1){var s=i[l];a[s.id]=s}p(null,a)}})}},{"../util/ajax":230,"../util/mapbox":246,"./parse_glyph_pbf":180}],179:[function(_dereq_,module,exports){"use strict";var ajax=_dereq_("../util/ajax"),browser=_dereq_("../util/browser"),normalizeSpriteURL=_dereq_("../util/mapbox").normalizeSpriteURL,RGBAImage=_dereq_("../util/image").RGBAImage;module.exports=function(e,r,i){function a(){if(u)i(u);else if(t&&o){var e=browser.getImageData(o),r={};for(var a in t){var n=t[a],g=n.width,l=n.height,x=n.x,m=n.y,p=n.sdf,f=n.pixelRatio,s=RGBAImage.create({width:g,height:l});RGBAImage.copy(e,s,{x:x,y:m},{x:0,y:0},{width:g,height:l}),r[a]={data:s,pixelRatio:f,sdf:p}}i(null,r)}}var t,o,u,n=browser.devicePixelRatio>1?"@2x":"";ajax.getJSON(r(normalizeSpriteURL(e,n,".json"),ajax.ResourceType.SpriteJSON),function(e,r){u||(u=e,t=r,a())}),ajax.getImage(r(normalizeSpriteURL(e,n,".png"),ajax.ResourceType.SpriteImage),function(e,r){u||(u=e,o=r,a())})}},{"../util/ajax":230,"../util/browser":231,"../util/image":242,"../util/mapbox":246}],180:[function(_dereq_,module,exports){"use strict";var AlphaImage=_dereq_("../util/image").AlphaImage,Protobuf=_dereq_("pbf");module.exports=function(e){return new Protobuf(e).readFields(function(e,a,r){1===e&&r.readMessage(function(e,a,r){if(3===e){var t=r.readMessage(function(e,a,r){1===e?a.id=r.readVarint():2===e?a.bitmap=r.readBytes():3===e?a.width=r.readVarint():4===e?a.height=r.readVarint():5===e?a.left=r.readSVarint():6===e?a.top=r.readSVarint():7===e&&(a.advance=r.readVarint())},{}),d=t.id,i=t.bitmap,n=t.width,o=t.height,h=t.left,s=t.top,p=t.advance;a.push({id:d,bitmap:AlphaImage.create({width:n+6,height:o+6},i),metrics:{width:n,height:o,left:h,top:s,advance:p}})}},a)},[])},module.exports.GLYPH_PBF_BORDER=3},{"../util/image":242,pbf:38}],181:[function(_dereq_,module,exports){"use strict";var Point=_dereq_("@mapbox/point-geometry");module.exports={getMaximumPaintValue:function(t,a,e){return a.isPaintValueFeatureConstant(t)?a.paint[t]:e.programConfigurations.get(a.id).paintPropertyStatistics[t].max},translateDistance:function(t){return Math.sqrt(t[0]*t[0]+t[1]*t[1])},translate:function(t,a,e,n,r){if(!a[0]&&!a[1])return t;var i=Point.convert(a);"viewport"===e&&i._rotate(-n);for(var u=[],s=0;s<t.length;s++){for(var o=t[s],l=[],m=0;m<o.length;m++)l.push(o[m].sub(i._mult(r)));u.push(l)}return u}}},{"@mapbox/point-geometry":2}],182:[function(_dereq_,module,exports){"use strict";var Evented=_dereq_("../util/evented"),StyleLayer=_dereq_("./style_layer"),loadSprite=_dereq_("./load_sprite"),ImageManager=_dereq_("../render/image_manager"),GlyphManager=_dereq_("../render/glyph_manager"),Light=_dereq_("./light"),LineAtlas=_dereq_("../render/line_atlas"),util=_dereq_("../util/util"),ajax=_dereq_("../util/ajax"),mapbox=_dereq_("../util/mapbox"),browser=_dereq_("../util/browser"),Dispatcher=_dereq_("../util/dispatcher"),AnimationLoop=_dereq_("./animation_loop"),validateStyle=_dereq_("./validate_style"),getSourceType=_dereq_("../source/source").getType,setSourceType=_dereq_("../source/source").setType,QueryFeatures=_dereq_("../source/query_features"),SourceCache=_dereq_("../source/source_cache"),styleSpec=(_dereq_("../source/geojson_source"),_dereq_("../style-spec/reference/latest")),getWorkerPool=_dereq_("../util/global_worker_pool"),deref=_dereq_("../style-spec/deref"),diff=_dereq_("../style-spec/diff"),rtlTextPlugin=_dereq_("../source/rtl_text_plugin"),supportedDiffOperations=util.pick(diff.operations,["addLayer","removeLayer","setPaintProperty","setLayoutProperty","setFilter","addSource","removeSource","setLayerZoomRange","setLight","setTransition","setGeoJSONSourceData"]),ignoredDiffOperations=util.pick(diff.operations,["setCenter","setZoom","setBearing","setPitch"]),Style=function(e){function t(t,r){var a=this;void 0===r&&(r={}),e.call(this),this.map=t,this.animationLoop=t&&t.animationLoop||new AnimationLoop,this.dispatcher=new Dispatcher(getWorkerPool(),this),this.imageManager=new ImageManager,this.glyphManager=new GlyphManager(t._transformRequest,r.localIdeographFontFamily),this.lineAtlas=new LineAtlas(256,512),this._layers={},this._order=[],this.sourceCaches={},this.zoomHistory={},this._loaded=!1,util.bindAll(["_redoPlacement"],this),this._resetUpdates();var i=this;this._rtlTextPluginCallback=rtlTextPlugin.registerForPluginAvailability(function(e){i.dispatcher.broadcast("loadRTLTextPlugin",e.pluginBlobURL,e.errorCallback);for(var t in i.sourceCaches)i.sourceCaches[t].reload()}),this.on("data",function(e){if("source"===e.dataType&&"metadata"===e.sourceDataType){var t=a.sourceCaches[e.sourceId];if(t){var r=t.getSource();if(r&&r.vectorLayerIds)for(var i in a._layers){var o=a._layers[i];o.source===r.id&&a._validateLayer(o)}}}})}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t.prototype.loadURL=function(e,t){var r=this;void 0===t&&(t={}),this.fire("dataloading",{dataType:"style"});var a="boolean"==typeof t.validate?t.validate:!mapbox.isMapboxURL(e);e=mapbox.normalizeStyleURL(e,t.accessToken);var i=this.map._transformRequest(e,ajax.ResourceType.Style);ajax.getJSON(i,function(e,t){e?r.fire("error",{error:e}):t&&r._load(t,a)})},t.prototype.loadJSON=function(e,t){var r=this;void 0===t&&(t={}),this.fire("dataloading",{dataType:"style"}),browser.frame(function(){r._load(e,!1!==t.validate)})},t.prototype._load=function(e,t){var r=this;if(!t||!validateStyle.emitErrors(this,validateStyle(e))){this._loaded=!0,this.stylesheet=e,this.updatePaintProperties();for(var a in e.sources)r.addSource(a,e.sources[a],{validate:!1});e.sprite?loadSprite(e.sprite,this.map._transformRequest,function(e,t){if(e)r.fire("error",e);else if(t)for(var a in t)r.imageManager.addImage(a,t[a]);r.imageManager.setLoaded(!0),r.fire("data",{dataType:"style"})}):this.imageManager.setLoaded(!0),this.glyphManager.setURL(e.glyphs);var i=deref(this.stylesheet.layers);this._order=i.map(function(e){return e.id}),this._layers={};for(var o=0,s=i;o<s.length;o+=1){var n=s[o];(n=StyleLayer.create(n)).setEventedParent(r,{layer:{id:n.id}}),r._layers[n.id]=n}this.dispatcher.broadcast("setLayers",this._serializeLayers(this._order)),this.light=new Light(this.stylesheet.light),this.fire("data",{dataType:"style"}),this.fire("style.load")}},t.prototype._validateLayer=function(e){var t=this.sourceCaches[e.source];if(t){var r=e.sourceLayer;if(r){var a=t.getSource();("geojson"===a.type||a.vectorLayerIds&&-1===a.vectorLayerIds.indexOf(r))&&this.fire("error",{error:new Error('Source layer "'+r+'" does not exist on source "'+a.id+'" as specified by style layer "'+e.id+'"')})}}},t.prototype.loaded=function(){if(!this._loaded)return!1;if(Object.keys(this._updatedSources).length)return!1;for(var t in this.sourceCaches)if(!this.sourceCaches[t].loaded())return!1;return!!this.imageManager.isLoaded()},t.prototype._serializeLayers=function(e){var t=this;return e.map(function(e){return t._layers[e].serialize()})},t.prototype._applyPaintPropertyUpdates=function(e){var t=this;if(this._loaded){e=e||{transition:!0};var r=this.stylesheet.transition||{},a=this._updatedAllPaintProps?this._layers:this._updatedPaintProps;for(var i in a){var o=t._layers[i],s=t._updatedPaintProps[i];if(t._updatedAllPaintProps||s.all)o.updatePaintTransitions(e,r,t.animationLoop,t.zoomHistory);else for(var n in s)t._layers[i].updatePaintTransition(n,e,r,t.animationLoop,t.zoomHistory)}this.light.updateLightTransitions(e,r,this.animationLoop)}},t.prototype._recalculate=function(e){var t=this;if(this._loaded){for(var r in t.sourceCaches)t.sourceCaches[r].used=!1;this._updateZoomHistory(e);for(var a=0,i=t._order;a<i.length;a+=1){var o=i[a],s=t._layers[o];s.recalculate(e),!s.isHidden(e)&&s.source&&(t.sourceCaches[s.source].used=!0)}this.light.recalculate(e),Math.floor(this.z)!==Math.floor(e)&&this.animationLoop.set(300),this.z=e}},t.prototype._updateZoomHistory=function(e){var t=this.zoomHistory;void 0===t.lastIntegerZoom&&(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=0,t.lastZoom=e),Math.floor(t.lastZoom)<Math.floor(e)?(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=Date.now()):Math.floor(t.lastZoom)>Math.floor(e)&&(t.lastIntegerZoom=Math.floor(e+1),t.lastIntegerZoomTime=Date.now()),t.lastZoom=e},t.prototype._checkLoaded=function(){if(!this._loaded)throw new Error("Style is not done loading")},t.prototype.update=function(e){var t=this;if(this._changed){var r=Object.keys(this._updatedLayers),a=Object.keys(this._removedLayers);(r.length||a.length||this._updatedSymbolOrder)&&this._updateWorkerLayers(r,a);for(var i in t._updatedSources){var o=t._updatedSources[i];"reload"===o?t._reloadSource(i):"clear"===o&&t._clearSource(i)}this._applyPaintPropertyUpdates(e),this._resetUpdates(),this.fire("data",{dataType:"style"})}},t.prototype._updateWorkerLayers=function(e,t){var r=this,a=this._updatedSymbolOrder?this._order.filter(function(e){return"symbol"===r._layers[e].type}):null;this.dispatcher.broadcast("updateLayers",{layers:this._serializeLayers(e),removedIds:t,symbolOrder:a})},t.prototype._resetUpdates=function(){this._changed=!1,this._updatedLayers={},this._removedLayers={},this._updatedSymbolOrder=!1,this._updatedSources={},this._updatedPaintProps={},this._updatedAllPaintProps=!1},t.prototype.setState=function(e){var t=this;if(this._checkLoaded(),validateStyle.emitErrors(this,validateStyle(e)))return!1;(e=util.clone(e)).layers=deref(e.layers);var r=diff(this.serialize(),e).filter(function(e){return!(e.command in ignoredDiffOperations)});if(0===r.length)return!1;var a=r.filter(function(e){return!(e.command in supportedDiffOperations)});if(a.length>0)throw new Error("Unimplemented: "+a.map(function(e){return e.command}).join(", ")+".");return r.forEach(function(e){"setTransition"!==e.command&&t[e.command].apply(t,e.args)}),this.stylesheet=e,!0},t.prototype.addImage=function(e,t){if(this.imageManager.getImage(e))return this.fire("error",{error:new Error("An image with this name already exists.")});this.imageManager.addImage(e,t),this.fire("data",{dataType:"style"})},t.prototype.removeImage=function(e){if(!this.imageManager.getImage(e))return this.fire("error",{error:new Error("No image with this name exists.")});this.imageManager.removeImage(e),this.fire("data",{dataType:"style"})},t.prototype.addSource=function(e,t,r){var a=this;if(this._checkLoaded(),void 0!==this.sourceCaches[e])throw new Error("There is already a source with this ID");if(!t.type)throw new Error("The type property must be defined, but the only the following properties were given: "+Object.keys(t).join(", ")+".");if(!(["vector","raster","geojson","video","image","canvas"].indexOf(t.type)>=0&&this._validate(validateStyle.source,"sources."+e,t,null,r))){var i=this.sourceCaches[e]=new SourceCache(e,t,this.dispatcher);i.style=this,i.setEventedParent(this,function(){return{isSourceLoaded:a.loaded(),source:i.serialize(),sourceId:e}}),i.onAdd(this.map),this._changed=!0}},t.prototype.removeSource=function(e){if(this._checkLoaded(),void 0===this.sourceCaches[e])throw new Error("There is no source with this ID");var t=this.sourceCaches[e];delete this.sourceCaches[e],delete this._updatedSources[e],t.fire("data",{sourceDataType:"metadata",dataType:"source",sourceId:e}),t.setEventedParent(null),t.clearTiles(),t.onRemove&&t.onRemove(this.map),this._changed=!0},t.prototype.setGeoJSONSourceData=function(e,t){this._checkLoaded(),this.sourceCaches[e].getSource().setData(t),this._changed=!0},t.prototype.getSource=function(e){return this.sourceCaches[e]&&this.sourceCaches[e].getSource()},t.prototype.addLayer=function(e,t,r){this._checkLoaded();var a=e.id;if("object"==typeof e.source&&(this.addSource(a,e.source),e=util.clone(e),e=util.extend(e,{source:a})),!this._validate(validateStyle.layer,"layers."+a,e,{arrayIndex:-1},r)){var i=StyleLayer.create(e);this._validateLayer(i),i.setEventedParent(this,{layer:{id:a}});var o=t?this._order.indexOf(t):this._order.length;if(t&&-1===o)return void this.fire("error",{message:new Error('Layer with id "'+t+'" does not exist on this map.')});if(this._order.splice(o,0,a),this._layers[a]=i,this._removedLayers[a]&&i.source){var s=this._removedLayers[a];delete this._removedLayers[a],s.type!==i.type?this._updatedSources[i.source]="clear":(this._updatedSources[i.source]="reload",this.sourceCaches[i.source].pause())}this._updateLayer(i),"symbol"===i.type&&(this._updatedSymbolOrder=!0),this.updatePaintProperties(a)}},t.prototype.moveLayer=function(e,t){this._checkLoaded(),this._changed=!0;var r=this._layers[e];if(r){var a=this._order.indexOf(e);this._order.splice(a,1);var i=t?this._order.indexOf(t):this._order.length;this._order.splice(i,0,e),"symbol"===r.type&&(this._updatedSymbolOrder=!0,r.source&&!this._updatedSources[r.source]&&(this._updatedSources[r.source]="reload",this.sourceCaches[r.source].pause()))}else this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be moved.")})},t.prototype.removeLayer=function(e){this._checkLoaded();var t=this._layers[e];if(t){t.setEventedParent(null);var r=this._order.indexOf(e);this._order.splice(r,1),"symbol"===t.type&&(this._updatedSymbolOrder=!0),this._changed=!0,this._removedLayers[e]=t,delete this._layers[e],delete this._updatedLayers[e],delete this._updatedPaintProps[e]}else this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be removed.")})},t.prototype.getLayer=function(e){return this._layers[e]},t.prototype.setLayerZoomRange=function(e,t,r){this._checkLoaded();var a=this.getLayer(e);a?a.minzoom===t&&a.maxzoom===r||(null!=t&&(a.minzoom=t),null!=r&&(a.maxzoom=r),this._updateLayer(a)):this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot have zoom extent.")})},t.prototype.setFilter=function(e,t){this._checkLoaded();var r=this.getLayer(e);r?null!==t&&void 0!==t&&this._validate(validateStyle.filter,"layers."+r.id+".filter",t)||util.deepEqual(r.filter,t)||(r.filter=util.clone(t),this._updateLayer(r)):this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be filtered.")})},t.prototype.getFilter=function(e){return util.clone(this.getLayer(e).filter)},t.prototype.setLayoutProperty=function(e,t,r){this._checkLoaded();var a=this.getLayer(e);a?util.deepEqual(a.getLayoutProperty(t),r)||(a.setLayoutProperty(t,r),this._updateLayer(a)):this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be styled.")})},t.prototype.getLayoutProperty=function(e,t){return this.getLayer(e).getLayoutProperty(t)},t.prototype.setPaintProperty=function(e,t,r){this._checkLoaded();var a=this.getLayer(e);if(a){if(!util.deepEqual(a.getPaintProperty(t),r)){var i=a.isPaintValueFeatureConstant(t);a.setPaintProperty(t,r),a.isPaintValueFeatureConstant(t)&&i||this._updateLayer(a),this.updatePaintProperties(e,t)}}else this.fire("error",{error:new Error("The layer '"+e+"' does not exist in the map's style and cannot be styled.")})},t.prototype.getPaintProperty=function(e,t){return this.getLayer(e).getPaintProperty(t)},t.prototype.getTransition=function(){return util.extend({duration:300,delay:0},this.stylesheet&&this.stylesheet.transition)},t.prototype.updatePaintProperties=function(e,t){if(this._changed=!0,e){var r=this._updatedPaintProps;r[e]||(r[e]={}),r[e][t||"all"]=!0}else this._updatedAllPaintProps=!0},t.prototype.serialize=function(){var e=this;return util.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,light:this.stylesheet.light,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:util.mapObject(this.sourceCaches,function(e){return e.serialize()}),layers:this._order.map(function(t){return e._layers[t].serialize()})},function(e){return void 0!==e})},t.prototype._updateLayer=function(e){this._updatedLayers[e.id]=!0,e.source&&!this._updatedSources[e.source]&&(this._updatedSources[e.source]="reload",this.sourceCaches[e.source].pause()),this._changed=!0},t.prototype._flattenRenderedFeatures=function(e){for(var r=[],a=this._order.length-1;a>=0;a--)for(var i=this._order[a],o=0,s=e;o<s.length;o+=1){var l=s[o][i];if(l)for(var d=0,h=l;d<h.length;d+=1){var u=h[d];r.push(u)}}return r},t.prototype.queryRenderedFeatures=function(e,t,r,a){var i=this;t&&t.filter&&this._validate(validateStyle.filter,"queryRenderedFeatures.filter",t.filter);var o={};if(t&&t.layers){if(!Array.isArray(t.layers))return this.fire("error",{error:"parameters.layers must be an Array."}),[];for(var s=0,n=t.layers;s<n.length;s+=1){var l=n[s],d=i._layers[l];if(!d)return i.fire("error",{error:"The layer '"+l+"' does not exist in the map's style and cannot be queried for features."}),[];o[d.source]=!0}}var h=[];for(var u in i.sourceCaches)if(!t.layers||o[u]){var c=QueryFeatures.rendered(i.sourceCaches[u],i._layers,e,t,r,a);h.push(c)}return this._flattenRenderedFeatures(h)},t.prototype.querySourceFeatures=function(e,t){t&&t.filter&&this._validate(validateStyle.filter,"querySourceFeatures.filter",t.filter);var r=this.sourceCaches[e];return r?QueryFeatures.source(r,t):[]},t.prototype.addSourceType=function(e,t,r){return getSourceType(e)?r(new Error('A source type called "'+e+'" already exists.')):(setSourceType(e,t),t.workerSourceURL?void this.dispatcher.broadcast("loadWorkerSource",{name:e,url:t.workerSourceURL},r):r(null,null))},t.prototype.getLight=function(){return this.light.getLight()},t.prototype.setLight=function(e,t){this._checkLoaded();var r=this.light.getLight(),a=!1;for(var i in e)if(!util.deepEqual(e[i],r[i])){a=!0;break}if(a){var o=this.stylesheet.transition||{};this.light.setLight(e),this.light.updateLightTransitions(t||{transition:!0},o,this.animationLoop)}},t.prototype._validate=function(e,t,r,a,i){return(!i||!1!==i.validate)&&validateStyle.emitErrors(this,e.call(validateStyle,util.extend({key:t,style:this.serialize(),value:r,styleSpec:styleSpec},a)))},t.prototype._remove=function(){rtlTextPlugin.evented.off("pluginAvailable",this._rtlTextPluginCallback);for(var t in this.sourceCaches)this.sourceCaches[t].clearTiles();this.dispatcher.remove()},t.prototype._clearSource=function(e){this.sourceCaches[e].clearTiles()},t.prototype._reloadSource=function(e){this.sourceCaches[e].resume(),this.sourceCaches[e].reload()},t.prototype._updateSources=function(e){for(var r in this.sourceCaches)this.sourceCaches[r].update(e)},t.prototype._redoPlacement=function(){for(var t in this.sourceCaches)this.sourceCaches[t].redoPlacement()},t.prototype.getImages=function(e,t,r){this.imageManager.getImages(t.icons,r)},t.prototype.getGlyphs=function(e,t,r){this.glyphManager.getGlyphs(t.stacks,r)},t}(Evented);module.exports=Style},{"../render/glyph_manager":86,"../render/image_manager":88,"../render/line_atlas":89,"../source/geojson_source":100,"../source/query_features":106,"../source/rtl_text_plugin":108,"../source/source":109,"../source/source_cache":110,"../style-spec/deref":119,"../style-spec/diff":120,"../style-spec/reference/latest":147,"../util/ajax":230,"../util/browser":231,"../util/dispatcher":237,"../util/evented":239,"../util/global_worker_pool":241,"../util/mapbox":246,"../util/util":252,"./animation_loop":176,"./light":177,"./load_sprite":179,"./style_layer":184,"./validate_style":195}],183:[function(_dereq_,module,exports){"use strict";var parseColor=_dereq_("../style-spec/util/parse_color"),ref=_dereq_("../style-spec/function"),isFunction=ref.isFunction,createFunction=ref.createFunction,ref$1=_dereq_("../style-spec/expression"),isExpression=ref$1.isExpression,createExpression=ref$1.createExpression,util=_dereq_("../util/util"),Curve=_dereq_("../style-spec/expression/definitions/curve"),StyleDeclaration=function(e,r,t){this.value=util.clone(r),this.json=JSON.stringify(this.value),this.minimum=e.minimum,this.expression=function(e,r,t){if(isFunction(e))return createFunction(e,r,t);if(isExpression(e)){var i=createExpression(e,r,"property");if("success"!==i.result)throw new Error(i.errors.map(function(e){return e.key+": "+e.message}).join(", "));if("property"===i.context)return i;throw new Error("Incorrect expression context "+i.context)}return"string"==typeof e&&"color"===r.type&&(e=parseColor(e)),{result:"success",context:"property",isFeatureConstant:!0,isZoomConstant:!0,evaluate:function(){return e}}}(this.value,e,t)};StyleDeclaration.prototype.calculate=function(e,r){var t=this.expression.evaluate(e,r);return void 0!==this.minimum&&t<this.minimum?this.minimum:t},StyleDeclaration.prototype.interpolationFactor=function(e,r,t){return this.expression.isZoomConstant?0:Curve.interpolationFactor(this.expression.interpolation,e,r,t)},module.exports=StyleDeclaration},{"../style-spec/expression":136,"../style-spec/expression/definitions/curve":129,"../style-spec/function":145,"../style-spec/util/parse_color":153,"../util/util":252}],184:[function(_dereq_,module,exports){"use strict";function getDeclarationValue(t){return t.value}var util=_dereq_("../util/util"),StyleTransition=_dereq_("./style_transition"),StyleDeclaration=_dereq_("./style_declaration"),styleSpec=_dereq_("../style-spec/reference/latest"),validateStyle=_dereq_("./validate_style"),parseColor=_dereq_("./../style-spec/util/parse_color"),StyleLayer=function(t){function e(e){var i=this;t.call(this),this.id=e.id,this.metadata=e.metadata,this.type=e.type,this.minzoom=e.minzoom,this.maxzoom=e.maxzoom,"background"!==e.type&&(this.source=e.source,this.sourceLayer=e["source-layer"],this.filter=e.filter),this.paint={},this.layout={},this._featureFilter=function(){return!0},this._paintSpecifications=styleSpec["paint_"+this.type],this._layoutSpecifications=styleSpec["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var a,o,n={validate:!1};for(a in e.paint)i.setPaintProperty(a,e.paint[a],n);for(o in e.layout)i.setLayoutProperty(o,e.layout[o],n);for(a in i._paintSpecifications)i.paint[a]=i.getPaintValue(a,{zoom:0});for(o in i._layoutSpecifications)i._updateLayoutValue(o)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.setLayoutProperty=function(t,e,i){if(null==e)delete this._layoutDeclarations[t];else{var a="layers."+this.id+".layout."+t;if(this._validate(validateStyle.layoutProperty,a,t,e,i))return;this._layoutDeclarations[t]=new StyleDeclaration(this._layoutSpecifications[t],e,t)}this._updateLayoutValue(t)},e.prototype.getLayoutProperty=function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},e.prototype.getLayoutValue=function(t,e,i){var a=this._layoutSpecifications[t],o=this._layoutDeclarations[t];return o&&(o.expression.isFeatureConstant||i)?o.calculate(e,i):a.default},e.prototype.setPaintProperty=function(t,e,i){var a="layers."+this.id+".paint."+t;if(util.endsWith(t,"-transition"))if(null===e||void 0===e)delete this._paintTransitionOptions[t];else{if(this._validate(validateStyle.paintProperty,a,t,e,i))return;this._paintTransitionOptions[t]=e}else if(null===e||void 0===e)delete this._paintDeclarations[t];else{if(this._validate(validateStyle.paintProperty,a,t,e,i))return;this._paintDeclarations[t]=new StyleDeclaration(this._paintSpecifications[t],e,t)}},e.prototype.getPaintProperty=function(t){return util.endsWith(t,"-transition")?this._paintTransitionOptions[t]:this._paintDeclarations[t]&&this._paintDeclarations[t].value},e.prototype.getPaintValue=function(t,e,i){var a=this._paintSpecifications[t],o=this._paintTransitions[t];return o&&(o.declaration.expression.isFeatureConstant||i)?o.calculate(e,i):"color"===a.type&&a.default?parseColor(a.default):a.default},e.prototype.getPaintInterpolationFactor=function(t,e,i,a){var o=this._paintDeclarations[t];return o?o.interpolationFactor(e,i,a):0},e.prototype.isPaintValueFeatureConstant=function(t){var e=this._paintDeclarations[t];return!e||e.expression.isFeatureConstant},e.prototype.isPaintValueZoomConstant=function(t){var e=this._paintDeclarations[t];return!e||e.expression.isZoomConstant},e.prototype.isHidden=function(t){return!!(this.minzoom&&t<this.minzoom)||!!(this.maxzoom&&t>=this.maxzoom)||"none"===this.layout.visibility},e.prototype.updatePaintTransitions=function(t,e,i,a){var o,n=this;for(o in n._paintDeclarations)n._applyPaintDeclaration(o,n._paintDeclarations[o],t,e,i,a);for(o in n._paintTransitions)o in n._paintDeclarations||n._applyPaintDeclaration(o,null,t,e,i,a)},e.prototype.updatePaintTransition=function(t,e,i,a,o){var n=this._paintDeclarations[t];this._applyPaintDeclaration(t,n,e,i,a,o)},e.prototype.recalculate=function(t){var e=this;for(var i in e._paintTransitions)e.paint[i]=e.getPaintValue(i,{zoom:t});for(var a in e._layoutFunctions)e.layout[a]=e.getLayoutValue(a,{zoom:t})},e.prototype.serialize=function(){var t={id:this.id,type:this.type,source:this.source,"source-layer":this.sourceLayer,metadata:this.metadata,minzoom:this.minzoom,maxzoom:this.maxzoom,filter:this.filter,layout:util.mapObject(this._layoutDeclarations,getDeclarationValue),paint:util.mapObject(this._paintDeclarations,getDeclarationValue)};return util.filterObject(t,function(t,e){return!(void 0===t||"layout"===e&&!Object.keys(t).length||"paint"===e&&!Object.keys(t).length)})},e.prototype._applyPaintDeclaration=function(t,e,i,a,o,n){var r=i.transition?this._paintTransitions[t]:void 0,s=this._paintSpecifications[t];if(null!==e&&void 0!==e||(e=new StyleDeclaration(s,s.default,t)),!r||r.declaration.json!==e.json){var l=util.extend({duration:300,delay:0},a,this.getPaintProperty(t+"-transition")),u=this._paintTransitions[t]=new StyleTransition(s,e,r,l,n);o&&(u.instant()||(u.loopID=o.set(u.endTime-Date.now())),r&&o.cancel(r.loopID))}},e.prototype._updateLayoutValue=function(t){var e=this._layoutDeclarations[t];!e||e.expression.isZoomConstant&&e.expression.isFeatureConstant?(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t,{zoom:0})):this._layoutFunctions[t]=!0},e.prototype._validate=function(t,e,i,a,o){return(!o||!1!==o.validate)&&validateStyle.emitErrors(this,t.call(validateStyle,{key:e,layerType:this.type,objectKey:i,value:a,styleSpec:styleSpec,style:{glyphs:!0,sprite:!0}}))},e.prototype.has3DPass=function(){return!1},e.prototype.resize=function(t){},e}(_dereq_("../util/evented"));module.exports=StyleLayer;var subclasses={circle:_dereq_("./style_layer/circle_style_layer"),heatmap:_dereq_("./style_layer/heatmap_style_layer"),fill:_dereq_("./style_layer/fill_style_layer"),"fill-extrusion":_dereq_("./style_layer/fill_extrusion_style_layer"),line:_dereq_("./style_layer/line_style_layer"),symbol:_dereq_("./style_layer/symbol_style_layer"),background:_dereq_("./style_layer/background_style_layer"),raster:_dereq_("./style_layer/raster_style_layer")};StyleLayer.create=function(t){return new subclasses[t.type](t)}},{"../style-spec/reference/latest":147,"../util/evented":239,"../util/util":252,"./../style-spec/util/parse_color":153,"./style_declaration":183,"./style_layer/background_style_layer":185,"./style_layer/circle_style_layer":186,"./style_layer/fill_extrusion_style_layer":187,"./style_layer/fill_style_layer":188,"./style_layer/heatmap_style_layer":189,"./style_layer/line_style_layer":190,"./style_layer/raster_style_layer":191,"./style_layer/symbol_style_layer":192,"./style_transition":194,"./validate_style":195}],185:[function(_dereq_,module,exports){"use strict";var BackgroundStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.isOpacityZero=function(t){return 0===this.getPaintValue("background-opacity",{zoom:t})},e}(_dereq_("../style_layer"));module.exports=BackgroundStyleLayer},{"../style_layer":184}],186:[function(_dereq_,module,exports){"use strict";var StyleLayer=_dereq_("../style_layer"),CircleBucket=_dereq_("../../data/bucket/circle_bucket"),multiPolygonIntersectsBufferedMultiPoint=_dereq_("../../util/intersection_tests").multiPolygonIntersectsBufferedMultiPoint,ref$1=_dereq_("../query_utils"),getMaximumPaintValue=ref$1.getMaximumPaintValue,translateDistance=ref$1.translateDistance,translate=ref$1.translate,CircleStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.createBucket=function(t){return new CircleBucket(t)},e.prototype.isOpacityZero=function(t){return this.isPaintValueFeatureConstant("circle-opacity")&&0===this.getPaintValue("circle-opacity",{zoom:t})&&this.isPaintValueFeatureConstant("circle-stroke-width")&&0===this.getPaintValue("circle-stroke-width",{zoom:t})||this.isPaintValueFeatureConstant("circle-stroke-opacity")&&0===this.getPaintValue("circle-stroke-opacity",{zoom:t})},e.prototype.queryRadius=function(t){return getMaximumPaintValue("circle-radius",this,t)+translateDistance(this.paint["circle-translate"])},e.prototype.queryIntersectsFeature=function(t,e,r,i,a,n){var o=translate(t,this.getPaintValue("circle-translate",{zoom:i},e),this.getPaintValue("circle-translate-anchor",{zoom:i},e),a,n),c=this.getPaintValue("circle-radius",{zoom:i},e)*n;return multiPolygonIntersectsBufferedMultiPoint(o,r,c)},e}(StyleLayer);module.exports=CircleStyleLayer},{"../../data/bucket/circle_bucket":52,"../../util/intersection_tests":243,"../query_utils":181,"../style_layer":184}],187:[function(_dereq_,module,exports){"use strict";var StyleLayer=_dereq_("../style_layer"),FillExtrusionBucket=_dereq_("../../data/bucket/fill_extrusion_bucket"),multiPolygonIntersectsMultiPolygon=_dereq_("../../util/intersection_tests").multiPolygonIntersectsMultiPolygon,ref$1=_dereq_("../query_utils"),translateDistance=ref$1.translateDistance,translate=ref$1.translate,FillExtrusionStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getPaintValue=function(e,r,i){var o=t.prototype.getPaintValue.call(this,e,r,i);return"fill-extrusion-color"===e&&o&&(o[3]=1),o},e.prototype.createBucket=function(t){return new FillExtrusionBucket(t)},e.prototype.isOpacityZero=function(t){return 0===this.getPaintValue("fill-extrusion-opacity",{zoom:t})},e.prototype.queryRadius=function(){return translateDistance(this.paint["fill-extrusion-translate"])},e.prototype.queryIntersectsFeature=function(t,e,r,i,o,n){var l=translate(t,this.getPaintValue("fill-extrusion-translate",{zoom:i},e),this.getPaintValue("fill-extrusion-translate-anchor",{zoom:i},e),o,n);return multiPolygonIntersectsMultiPolygon(l,r)},e.prototype.has3DPass=function(){return 0!==this.paint["fill-extrusion-opacity"]&&"none"!==this.layout.visibility},e.prototype.resize=function(t){if(this.viewportFrame){var e=this.viewportFrame,r=e.texture,i=e.fbo;t.deleteTexture(r),t.deleteFramebuffer(i),this.viewportFrame=null}},e}(StyleLayer);module.exports=FillExtrusionStyleLayer},{"../../data/bucket/fill_extrusion_bucket":54,"../../util/intersection_tests":243,"../query_utils":181,"../style_layer":184}],188:[function(_dereq_,module,exports){"use strict";var StyleLayer=_dereq_("../style_layer"),FillBucket=_dereq_("../../data/bucket/fill_bucket"),multiPolygonIntersectsMultiPolygon=_dereq_("../../util/intersection_tests").multiPolygonIntersectsMultiPolygon,ref$1=_dereq_("../query_utils"),translateDistance=ref$1.translateDistance,translate=ref$1.translate,FillStyleLayer=function(t){function o(){t.apply(this,arguments)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.getPaintValue=function(o,e,l){if("fill-outline-color"===o){if(void 0===this.getPaintProperty("fill-outline-color"))return t.prototype.getPaintValue.call(this,"fill-color",e,l);for(var r=this._paintTransitions["fill-outline-color"];r;){if(!(r&&r.declaration&&r.declaration.value))return t.prototype.getPaintValue.call(this,"fill-color",e,l);r=r.oldTransition}}return t.prototype.getPaintValue.call(this,o,e,l)},o.prototype.getPaintInterpolationFactor=function(o){for(var e=[],l=arguments.length-1;l-- >0;)e[l]=arguments[l+1];return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintInterpolationFactor.apply(this,["fill-color"].concat(e)):t.prototype.getPaintInterpolationFactor.apply(this,[o].concat(e))},o.prototype.isPaintValueFeatureConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueFeatureConstant.call(this,"fill-color"):t.prototype.isPaintValueFeatureConstant.call(this,o)},o.prototype.isPaintValueZoomConstant=function(o){return"fill-outline-color"===o&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueZoomConstant.call(this,"fill-color"):t.prototype.isPaintValueZoomConstant.call(this,o)},o.prototype.createBucket=function(t){return new FillBucket(t)},o.prototype.isOpacityZero=function(t){return this.isPaintValueFeatureConstant("fill-opacity")&&0===this.getPaintValue("fill-opacity",{zoom:t})},o.prototype.queryRadius=function(){return translateDistance(this.paint["fill-translate"])},o.prototype.queryIntersectsFeature=function(t,o,e,l,i,r){var n=translate(t,this.getPaintValue("fill-translate",{zoom:l},o),this.getPaintValue("fill-translate-anchor",{zoom:l},o),i,r);return multiPolygonIntersectsMultiPolygon(n,e)},o}(StyleLayer);module.exports=FillStyleLayer},{"../../data/bucket/fill_bucket":53,"../../util/intersection_tests":243,"../query_utils":181,"../style_layer":184}],189:[function(_dereq_,module,exports){"use strict";var StyleLayer=_dereq_("../style_layer"),HeatmapBucket=_dereq_("../../data/bucket/heatmap_bucket"),RGBAImage=_dereq_("../../util/image").RGBAImage,HeatmapStyleLayer=function(t){function a(a){t.call(this,a),this.colorRampData=new Uint8Array(1024),this.getPaintProperty("heatmap-color")||this.setPaintProperty("heatmap-color",this._paintSpecifications["heatmap-color"].default,"")}return t&&(a.__proto__=t),a.prototype=Object.create(t&&t.prototype),a.prototype.constructor=a,a.prototype.createBucket=function(t){return new HeatmapBucket(t)},a.prototype.isOpacityZero=function(t){return 0===this.getPaintValue("heatmap-opacity",{zoom:t})},a.prototype._applyPaintDeclaration=function(a,e,o,r,p,i){var l=this;if(t.prototype._applyPaintDeclaration.call(this,a,e,o,r,p,i),"heatmap-color"===a){for(var c=this.colorRampData.length,h=4;h<c;h+=4){var m=l.getPaintValue("heatmap-color",{heatmapDensity:h/c,zoom:-1}),n=m[3];l.colorRampData[h+0]=Math.floor(255*m[0]/n),l.colorRampData[h+1]=Math.floor(255*m[1]/n),l.colorRampData[h+2]=Math.floor(255*m[2]/n),l.colorRampData[h+3]=Math.floor(255*n)}this.colorRamp=RGBAImage.create({width:256,height:1},this.colorRampData),this.colorRampTexture=null}},a.prototype.resize=function(t){this.heatmapTexture&&(t.deleteTexture(this.heatmapTexture),this.heatmapTexture=null),this.heatmapFbo&&(t.deleteFramebuffer(this.heatmapFbo),this.heatmapFbo=null)},a}(StyleLayer);module.exports=HeatmapStyleLayer},{"../../data/bucket/heatmap_bucket":55,"../../util/image":242,"../style_layer":184}],190:[function(_dereq_,module,exports){"use strict";function getLineWidth(t,e){return e>0?e+2*t:t}var Point=_dereq_("@mapbox/point-geometry"),StyleLayer=_dereq_("../style_layer"),LineBucket=_dereq_("../../data/bucket/line_bucket"),multiPolygonIntersectsBufferedMultiLine=_dereq_("../../util/intersection_tests").multiPolygonIntersectsBufferedMultiLine,ref$1=_dereq_("../query_utils"),getMaximumPaintValue=ref$1.getMaximumPaintValue,translateDistance=ref$1.translateDistance,translate=ref$1.translate,LineStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.createBucket=function(t){return new LineBucket(t)},e.prototype.isOpacityZero=function(t){return this.isPaintValueFeatureConstant("line-opacity")&&0===this.getPaintValue("line-opacity",{zoom:t})},e.prototype.queryRadius=function(t){var e=t,i=getLineWidth(getMaximumPaintValue("line-width",this,e),getMaximumPaintValue("line-gap-width",this,e)),n=getMaximumPaintValue("line-offset",this,e);return i/2+Math.abs(n)+translateDistance(this.paint["line-translate"])},e.prototype.queryIntersectsFeature=function(t,e,i,n,r,a){var u=translate(t,this.getPaintValue("line-translate",{zoom:n},e),this.getPaintValue("line-translate-anchor",{zoom:n},e),r,a),o=a/2*getLineWidth(this.getPaintValue("line-width",{zoom:n},e),this.getPaintValue("line-gap-width",{zoom:n},e)),l=this.getPaintValue("line-offset",{zoom:n},e);return l&&(i=function(t,e){for(var i=[],n=new Point(0,0),r=0;r<t.length;r++){for(var a=t[r],u=[],o=0;o<a.length;o++){var l=a[o-1],s=a[o],p=a[o+1],c=0===o?n:s.sub(l)._unit()._perp(),f=o===a.length-1?n:p.sub(s)._unit()._perp(),y=c._add(f)._unit(),h=y.x*f.x+y.y*f.y;y._mult(1/h),u.push(y._mult(e)._add(s))}i.push(u)}return i}(i,l*a)),multiPolygonIntersectsBufferedMultiLine(u,i,o)},e}(StyleLayer);module.exports=LineStyleLayer},{"../../data/bucket/line_bucket":56,"../../util/intersection_tests":243,"../query_utils":181,"../style_layer":184,"@mapbox/point-geometry":2}],191:[function(_dereq_,module,exports){"use strict";var RasterStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.isOpacityZero=function(t){return 0===this.getPaintValue("raster-opacity",{zoom:t})},e}(_dereq_("../style_layer"));module.exports=RasterStyleLayer},{"../style_layer":184}],192:[function(_dereq_,module,exports){"use strict";var StyleLayer=_dereq_("../style_layer"),SymbolBucket=_dereq_("../../data/bucket/symbol_bucket"),SymbolStyleLayer=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getLayoutValue=function(e,o,r){var n=t.prototype.getLayoutValue.call(this,e,o,r);if("auto"!==n)return n;switch(e){case"text-rotation-alignment":case"icon-rotation-alignment":return"line"===this.getLayoutValue("symbol-placement",o,r)?"map":"viewport";case"text-pitch-alignment":return this.getLayoutValue("text-rotation-alignment",o,r);case"icon-pitch-alignment":return this.getLayoutValue("icon-rotation-alignment",o,r);default:return n}},e.prototype.getLayoutDeclaration=function(t){return this._layoutDeclarations[t]},e.prototype.isLayoutValueFeatureConstant=function(t){var e=this._layoutDeclarations[t];return!e||e.expression.isFeatureConstant},e.prototype.isLayoutValueZoomConstant=function(t){var e=this._layoutDeclarations[t];return!e||e.expression.isZoomConstant},e.prototype.createBucket=function(t){return new SymbolBucket(t)},e.prototype.isOpacityZero=function(t,e){return this.isPaintValueFeatureConstant(e)&&0===this.getPaintValue(e,{zoom:t})},e.prototype.queryRadius=function(){return 0},e.prototype.queryIntersectsFeature=function(){return!1},e}(StyleLayer);module.exports=SymbolStyleLayer},{"../../data/bucket/symbol_bucket":57,"../style_layer":184}],193:[function(_dereq_,module,exports){"use strict";var StyleLayer=_dereq_("./style_layer"),util=_dereq_("../util/util"),featureFilter=_dereq_("../style-spec/feature_filter"),groupByLayout=_dereq_("../style-spec/group_by_layout"),StyleLayerIndex=function(e){e&&this.replace(e)};StyleLayerIndex.prototype.replace=function(e){this.symbolOrder=[];for(var t=0,a=e;t<a.length;t+=1){var i=a[t];"symbol"===i.type&&this.symbolOrder.push(i.id)}this._layerConfigs={},this._layers={},this.update(e,[])},StyleLayerIndex.prototype.update=function(e,r,t){for(var a=this,i=0,l=e;i<l.length;i+=1){var y=l[i];a._layerConfigs[y.id]=y;var s=a._layers[y.id]=StyleLayer.create(y);s.updatePaintTransitions({transition:!1}),s._featureFilter=featureFilter(s.filter)}for(var o=0,u=r;o<u.length;o+=1){var n=u[o];delete a._layerConfigs[n],delete a._layers[n]}t&&(this.symbolOrder=t),this.familiesBySource={};for(var p=0,d=groupByLayout(util.values(this._layerConfigs));p<d.length;p+=1){var c=d[p].map(function(e){return a._layers[e.id]}),v=c[0];if(!v.layout||"none"!==v.layout.visibility){var _=v.source||"",g=a.familiesBySource[_];g||(g=a.familiesBySource[_]={});var L=v.sourceLayer||"_geojsonTileLayer",m=g[L];m||(m=g[L]=[]),m.push(c)}}},module.exports=StyleLayerIndex},{"../style-spec/feature_filter":144,"../style-spec/group_by_layout":146,"../util/util":252,"./style_layer":184}],194:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),interpolate=_dereq_("../style-spec/util/interpolate"),fakeZoomHistory={lastIntegerZoom:0,lastIntegerZoomTime:0,lastZoom:0},StyleTransition=function(t,i,e,o,a){this.declaration=i,this.startTime=this.endTime=(new Date).getTime(),this.oldTransition=e,this.duration=o.duration||0,this.delay=o.delay||0,this.zoomTransitioned="piecewise-constant"===t.function&&t.transition,this.interp=this.zoomTransitioned?function(t,i,e){if(void 0!==t&&void 0!==i)return{from:t.to,fromScale:t.toScale,to:i.to,toScale:i.toScale,t:e}}:interpolate[t.type],this.zoomHistory=a||fakeZoomHistory,this.instant()||(this.endTime=this.startTime+this.duration+this.delay),e&&e.endTime<=this.startTime&&delete e.oldTransition};StyleTransition.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},StyleTransition.prototype.calculate=function(t,i,e){var o=this._calculateTargetValue(t,i);if(this.instant())return o;if((e=e||Date.now())>=this.endTime)return o;var a=this.oldTransition.calculate(t,i,this.startTime),n=util.easeCubicInOut((e-this.startTime-this.delay)/this.duration);return this.interp(a,o,n)},StyleTransition.prototype._calculateTargetValue=function(t,i){if(!this.zoomTransitioned)return this.declaration.calculate(t,i);var e=t.zoom,o=this.zoomHistory.lastIntegerZoom,a=e>o?2:.5,n=this.declaration.calculate({zoom:e>o?e-1:e+1},i),r=this.declaration.calculate({zoom:e},i),s=Math.min((Date.now()-this.zoomHistory.lastIntegerZoomTime)/this.duration,1),l=Math.abs(e-o),u=interpolate(s,1,l);return void 0!==n&&void 0!==r?{from:n,fromScale:a,to:r,toScale:1,t:u}:void 0},module.exports=StyleTransition},{"../style-spec/util/interpolate":152,"../util/util":252}],195:[function(_dereq_,module,exports){"use strict";module.exports=_dereq_("../style-spec/validate_style.min"),module.exports.emitErrors=function(r,e){if(e&&e.length){for(var t=0,o=e;t<o.length;t+=1){var i=o[t].message;r.fire("error",{error:new Error(i)})}return!0}return!1}},{"../style-spec/validate_style.min":175}],196:[function(_dereq_,module,exports){"use strict";var Anchor=function(t){function o(o,e,n,r){t.call(this,o,e),this.angle=n,void 0!==r&&(this.segment=r)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.clone=function(){return new o(this.x,this.y,this.angle,this.segment)},o}(_dereq_("@mapbox/point-geometry"));module.exports=Anchor},{"@mapbox/point-geometry":2}],197:[function(_dereq_,module,exports){"use strict";module.exports=function(e,t,a,r,n){if(void 0===t.segment)return!0;for(var i=t,s=t.segment+1,f=0;f>-a/2;){if(--s<0)return!1;f-=e[s].dist(i),i=e[s]}f+=e[s].dist(e[s+1]),s++;for(var l=[],o=0;f<a/2;){var u=e[s-1],c=e[s],g=e[s+1];if(!g)return!1;var h=u.angleTo(c)-c.angleTo(g);for(h=Math.abs((h+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:f,angleDelta:h}),o+=h;f-l[0].distance>r;)o-=l.shift().angleDelta;if(o>n)return!1;s++,f+=c.dist(g)}return!0}},{}],198:[function(_dereq_,module,exports){"use strict";var Point=_dereq_("@mapbox/point-geometry");module.exports=function(n,x,y,o,e){for(var r=[],t=0;t<n.length;t++)for(var i=n[t],u=void 0,d=0;d<i.length-1;d++){var P=i[d],w=i[d+1];P.x<x&&w.x<x||(P.x<x?P=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round():w.x<x&&(w=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round()),P.y<y&&w.y<y||(P.y<y?P=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round():w.y<y&&(w=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round()),P.x>=o&&w.x>=o||(P.x>=o?P=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round():w.x>=o&&(w=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round()),P.y>=e&&w.y>=e||(P.y>=e?P=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round():w.y>=e&&(w=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round()),u&&P.equals(u[u.length-1])||(u=[P],r.push(u)),u.push(w)))))}return r}},{"@mapbox/point-geometry":2}],199:[function(_dereq_,module,exports){"use strict";var createStructArrayType=_dereq_("../util/struct_array"),Point=_dereq_("@mapbox/point-geometry"),CollisionBoxArray=createStructArrayType({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"offsetX"},{type:"Int16",name:"offsetY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"unadjustedMaxScale"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});Object.defineProperty(CollisionBoxArray.prototype.StructType.prototype,"anchorPoint",{get:function(){return new Point(this.anchorPointX,this.anchorPointY)}}),module.exports=CollisionBoxArray},{"../util/struct_array":249,"@mapbox/point-geometry":2}],200:[function(_dereq_,module,exports){"use strict";var CollisionFeature=function(t,e,i,o,a,n,s,l,r,d,u){var h=s.top*l-r,f=s.bottom*l+r,x=s.left*l-r,m=s.right*l+r;if(this.boxStartIndex=t.length,d){var _=f-h,b=m-x;if(_>0)if(_=Math.max(10*l,_),u){var v=e[i.segment+1].sub(e[i.segment])._unit()._mult(b),c=[i.sub(v),i.add(v)];this._addLineCollisionBoxes(t,c,i,0,b,_,o,a,n)}else this._addLineCollisionBoxes(t,e,i,i.segment,b,_,o,a,n)}else t.emplaceBack(i.x,i.y,0,0,x,h,m,f,1/0,1/0,o,a,n,0,0,0,0,0);this.boxEndIndex=t.length};CollisionFeature.prototype._addLineCollisionBoxes=function(t,e,i,o,a,n,s,l,r){var d=n/2,u=Math.floor(a/d),h=Math.floor(u/2),f=-n/2,x=i,m=o+1,_=f,b=-a/2,v=b-a/8;do{if(--m<0){if(_>b)return;m=0;break}_-=e[m].dist(x),x=e[m]}while(_>v);for(var c=e[m].dist(e[m+1]),g=-h;g<u+h;g++){var p=g*d,C=b+p;if(p<0&&(C+=p),p>a&&(C+=p-a),!(C<_)){for(;_+c<C;){if(_+=c,++m+1>=e.length)return;c=e[m].dist(e[m+1])}var M=C-_,y=e[m],k=e[m+1].sub(y)._unit()._mult(M)._add(y)._round(),L=a/2/Math.max(Math.abs(C-f)-d/2,0);(g<0||g>=u)&&(L=Math.min(L,.99)),t.emplaceBack(k.x,k.y,k.x-i.x,k.y-i.y,-n/2,-n/2,n/2,n/2,L,L,s,l,r,0,0,0,0,0)}}},module.exports=CollisionFeature},{}],201:[function(_dereq_,module,exports){"use strict";var Point=_dereq_("@mapbox/point-geometry"),EXTENT=_dereq_("../data/extent"),Grid=_dereq_("grid-index"),intersectionTests=_dereq_("../util/intersection_tests"),CollisionTile=function(e,t,i,a,r,o,n){void 0===o&&(o=new Grid(EXTENT,12,6)),void 0===n&&(n=new Grid(EXTENT,12,0)),this.angle=e,this.pitch=t,this.cameraToCenterDistance=i,this.cameraToTileDistance=a,this.grid=o,this.ignoredGrid=n,this.perspectiveRatio=1+.5*(a/i-1),this.minScale=.5/this.perspectiveRatio,this.maxScale=2/this.perspectiveRatio;var s=Math.sin(this.angle),l=Math.cos(this.angle);this.rotationMatrix=[l,-s,s,l],this.reverseRotationMatrix=[l,s,-s,l],this.yStretch=Math.max(1,a/(i*Math.cos(t/180*Math.PI))),this.collisionBoxArray=r,0===r.length&&(r.emplaceBack(),r.emplaceBack(0,0,0,0,0,-EXTENT,0,EXTENT,1/0,1/0,0,0,0,0,0,0,0,0,0),r.emplaceBack(EXTENT,0,0,0,0,-EXTENT,0,EXTENT,1/0,1/0,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,0,0,0,-EXTENT,0,EXTENT,0,1/0,1/0,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,EXTENT,0,0,-EXTENT,0,EXTENT,0,1/0,1/0,0,0,0,0,0,0,0,0,0)),this.tempCollisionBox=r.get(0),this.edges=[r.get(1),r.get(2),r.get(3),r.get(4)]};CollisionTile.deserialize=function(e,t){return new CollisionTile(e.angle,e.pitch,e.cameraToCenterDistance,e.cameraToTileDistance,t,new Grid(e.grid),new Grid(e.ignoredGrid))},CollisionTile.prototype.serialize=function(e){var t=this.grid.toArrayBuffer(),i=this.ignoredGrid.toArrayBuffer();return e&&(e.push(t),e.push(i)),{angle:this.angle,pitch:this.pitch,cameraToCenterDistance:this.cameraToCenterDistance,cameraToTileDistance:this.cameraToTileDistance,grid:t,ignoredGrid:i}},CollisionTile.prototype.placeCollisionFeature=function(e,t,i){for(var a=this,r=this.collisionBoxArray,o=this.minScale,n=this.rotationMatrix,s=this.yStretch,l=e.boxStartIndex;l<e.boxEndIndex;l++){var c=r.get(l),h=c.anchorPoint._matMult(n),x=h.x,m=h.y,p=x+c.x1*a.perspectiveRatio,y=m+c.y1*s*a.perspectiveRatio,g=x+c.x2*a.perspectiveRatio,d=m+c.y2*s*a.perspectiveRatio;c.bbox0=p,c.bbox1=y,c.bbox2=g,c.bbox3=d;var T=new Point(c.offsetX,c.offsetY)._matMult(n),u=T.x*T.x,v=T.y*T.y,M=v*s*s,f=Math.sqrt((u+M)/(u+v))||1;if(c.maxScale=c.unadjustedMaxScale*f,!t)for(var E=a.grid.query(p,y,g,d),S=0;S<E.length;S++){var P=r.get(E[S]),b=P.anchorPoint._matMult(n);if((o=a.getPlacementScale(o,h,c,b,P))>=a.maxScale)return o}if(i){var N=void 0;if(a.angle){var C=a.reverseRotationMatrix,w=new Point(c.x1,c.y1).matMult(C),X=new Point(c.x2,c.y1).matMult(C),B=new Point(c.x1,c.y2).matMult(C),G=new Point(c.x2,c.y2).matMult(C);(N=a.tempCollisionBox).anchorPointX=c.anchorPoint.x,N.anchorPointY=c.anchorPoint.y,N.x1=Math.min(w.x,X.x,B.x,G.x),N.y1=Math.min(w.y,X.x,B.x,G.x),N.x2=Math.max(w.x,X.x,B.x,G.x),N.y2=Math.max(w.y,X.x,B.x,G.x),N.maxScale=c.maxScale}else N=c;for(var R=0;R<this.edges.length;R++){var q=a.edges[R];if((o=a.getPlacementScale(o,c.anchorPoint,N,q.anchorPoint,q))>=a.maxScale)return o}}}return o},CollisionTile.prototype.queryRenderedSymbols=function(e,t){var i={},a=[];if(0===e.length||0===this.grid.keys.length&&0===this.ignoredGrid.keys.length)return a;for(var r=this.collisionBoxArray,o=this.rotationMatrix,n=this.yStretch,s=[],l=1/0,c=1/0,h=-1/0,x=-1/0,m=0;m<e.length;m++)for(var p=e[m],y=0;y<p.length;y++){var g=p[y].matMult(o);l=Math.min(l,g.x),c=Math.min(c,g.y),h=Math.max(h,g.x),x=Math.max(x,g.y),s.push(g)}for(var d=this.grid.query(l,c,h,x),T=this.ignoredGrid.query(l,c,h,x),u=0;u<T.length;u++)d.push(T[u]);for(var v=t/this.perspectiveRatio,M=Math.pow(2,Math.ceil(Math.log(v)/Math.LN2*10)/10),f=0;f<d.length;f++){var E=r.get(d[f]),S=E.sourceLayerIndex,P=E.featureIndex;if(void 0===i[S]&&(i[S]={}),!i[S][P]&&!(M<E.placementScale||M>E.maxScale)){var b=E.anchorPoint.matMult(o),N=b.x+E.x1/v,C=b.y+E.y1/v*n,w=b.x+E.x2/v,X=b.y+E.y2/v*n,B=[new Point(N,C),new Point(w,C),new Point(w,X),new Point(N,X)];intersectionTests.polygonIntersectsPolygon(s,B)&&(i[S][P]=!0,a.push(d[f]))}}return a},CollisionTile.prototype.getPlacementScale=function(e,t,i,a,r){var o=t.x-a.x,n=t.y-a.y,s=(r.x1-i.x2)/o,l=(r.x2-i.x1)/o,c=(r.y1-i.y2)*this.yStretch/n,h=(r.y2-i.y1)*this.yStretch/n;(isNaN(s)||isNaN(l))&&(s=l=1),(isNaN(c)||isNaN(h))&&(c=h=1);var x=Math.min(Math.max(s,l),Math.max(c,h)),m=r.maxScale,p=i.maxScale;return x>m&&(x=m),x>p&&(x=p),x>e&&x>=r.placementScale&&(e=x),e},CollisionTile.prototype.insertCollisionFeature=function(e,t,i){for(var r=i?this.ignoredGrid:this.grid,o=this.collisionBoxArray,n=e.boxStartIndex;n<e.boxEndIndex;n++){var s=o.get(n);s.placementScale=t,t<this.maxScale&&(1===this.perspectiveRatio||s.maxScale>=1)&&r.insert(n,s.bbox0,s.bbox1,s.bbox2,s.bbox3)}},module.exports=CollisionTile},{"../data/extent":58,"../util/intersection_tests":243,"@mapbox/point-geometry":2,"grid-index":23}],202:[function(_dereq_,module,exports){"use strict";function resample(e,r,t,n,a,l,o,i,c){for(var h=l/2,s=0,u=0;u<e.length-1;u++)s+=e[u].dist(e[u+1]);for(var g=0,p=r-t,x=[],f=0;f<e.length-1;f++){for(var v=e[f],m=e[f+1],y=v.dist(m),A=m.angleTo(v);p+t<g+y;){var d=((p+=t)-g)/y,k=interpolate(v.x,m.x,d),q=interpolate(v.y,m.y,d);if(k>=0&&k<c&&q>=0&&q<c&&p-h>=0&&p+h<=s){var M=new Anchor(k,q,A,f);M._round(),n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=y}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,c)),x}var interpolate=_dereq_("../style-spec/util/interpolate"),Anchor=_dereq_("../symbol/anchor"),checkMaxAngle=_dereq_("./check_max_angle");module.exports=function(e,r,t,n,a,l,o,i,c){var h=n?.6*l*o:0,s=Math.max(n?n.right-n.left:0,a?a.right-a.left:0),u=0===e[0].x||e[0].x===c||0===e[0].y||e[0].y===c;return r-s*o<r/4&&(r=s*o+r/4),resample(e,u?r/2*i%r:(s/2+2*l)*o*i%r,r,h,t,s*o,u,!1,c)}},{"../style-spec/util/interpolate":152,"../symbol/anchor":196,"./check_max_angle":197}],203:[function(_dereq_,module,exports){"use strict";module.exports=function(e){function t(t){g.push(e[t]),l++}function r(e,t,r){var n=u[e];return delete u[e],u[t]=n,g[n].geometry[0].pop(),g[n].geometry[0]=g[n].geometry[0].concat(r[0]),n}function n(e,t,r){var n=i[t];return delete i[t],i[e]=n,g[n].geometry[0].shift(),g[n].geometry[0]=r[0].concat(g[n].geometry[0]),n}function o(e,t,r){var n=r?t[0][t[0].length-1]:t[0][0];return e+":"+n.x+":"+n.y}for(var i={},u={},g=[],l=0,m=0;m<e.length;m++){var y=e[m],c=y.geometry,f=y.text;if(f){var a=o(f,c),s=o(f,c,!0);if(a in u&&s in i&&u[a]!==i[s]){var v=n(a,s,c),d=r(a,s,g[v].geometry);delete i[a],delete u[s],u[o(f,g[d].geometry,!0)]=d,g[v].geometry=null}else a in u?r(a,s,c):s in i?n(a,s,c):(t(m),i[a]=l-1,u[s]=l-1)}else t(m)}return g.filter(function(e){return e.geometry})}},{}],204:[function(_dereq_,module,exports){"use strict";function project(e,t){var a=[e.x,e.y,0,1];vec4.transformMat4(a,a,t);var n=a[3];return{point:new Point(a[0]/n,a[1]/n),signedDistanceFromCamera:n}}function placeGlyphsAlongLine(e,t,a,n,r,i,o,l,s,p,m,c,u){var y,g=t/24,d=e.lineOffsetX*t,f=e.lineOffsetY*t;if(e.numGlyphs>1){var h=e.glyphStartIndex+e.numGlyphs,x=l.get(e.glyphStartIndex).offsetX,v=l.get(h-1).offsetX,b=e.lineStartIndex,L=e.lineStartIndex+e.lineLength,A=placeGlyphAlongLine(g*x,d,f,a,m,c,e.segment,b,L,s,i,u);if(!A)return{notEnoughRoom:!0};var G=placeGlyphAlongLine(g*v,d,f,a,m,c,e.segment,b,L,s,i,u);if(!G)return{notEnoughRoom:!0};var S=project(A.point,o).point,P=project(G.point,o).point;if(n&&!a&&(e.vertical?S.y<P.y:S.x>P.x))return{needsFlipping:!0};y=[A];for(var D=e.glyphStartIndex+1;D<h-1;D++){var I=l.get(D);y.push(placeGlyphAlongLine(g*I.offsetX,d,f,a,m,c,e.segment,b,L,s,i,u))}y.push(G)}else{if(n&&!a){var M=project(c,r).point,j=s.get(e.lineStartIndex+e.segment+1),w=project(j,r),F=w.signedDistanceFromCamera>0?w.point:projectTruncatedLineSegment(c,new Point(j.x,j.y),M,1,r);if(e.vertical?F.y>M.y:F.x<M.x)return{needsFlipping:!0}}var _=placeGlyphAlongLine(g*l.get(e.glyphStartIndex).offsetX,d,f,a,m,c,e.segment,e.lineStartIndex,e.lineStartIndex+e.lineLength,s,i,u);if(!_)return{notEnoughRoom:!0};y=[_]}for(var V=e.placementZoom,C=0,X=y;C<X.length;C+=1){var E=X[C];addDynamicAttributes(p,E.point,E.angle,V)}return{}}function projectTruncatedLineSegment(e,t,a,n,r){var i=project(e.add(e.sub(t)._unit()),r).point,o=a.sub(i);return a.add(o._mult(n/o.mag()))}function placeGlyphAlongLine(e,t,a,n,r,i,o,l,s,p,m,c){var u=n?e-t:e+t,y=u>0?1:-1,g=0;n&&(y*=-1,g=Math.PI),y<0&&(g+=Math.PI);for(var d=y>0?l+o:l+o+1,f=r,h=r,x=0,v=0,b=Math.abs(u);x+v<=b;){if((d+=y)<l||d>=s)return null;if(h=f,void 0===(f=c[d])){var L=project(p.get(d),m);f=L.signedDistanceFromCamera>0?c[d]=L.point:projectTruncatedLineSegment(0===x?i:new Point(p.get(d-y).x,p.get(d-y).y),new Point(p.get(d).x,p.get(d).y),h,b-x+1,m)}x+=v,v=h.dist(f)}var A=(b-x)/v,G=f.sub(h),S=G.mult(A)._add(h);return S._add(G._unit()._perp()._mult(a*y)),{point:S,angle:g+Math.atan2(f.y-h.y,f.x-h.x)}}function hideGlyphs(e,t){for(var a=0;a<e;a++)addDynamicAttributes(t,offscreenPoint,0,25)}var Point=_dereq_("@mapbox/point-geometry"),ref=_dereq_("@mapbox/gl-matrix"),mat4=ref.mat4,vec4=ref.vec4,symbolSize=_dereq_("./symbol_size"),addDynamicAttributes=_dereq_("../data/bucket/symbol_bucket").addDynamicAttributes;module.exports={updateLineLabels:function(e,t,a,n,r,i,o,l,s,p){var m=n?e.textSizeData:e.iconSizeData,c=symbolSize.evaluateSizeForZoom(m,a.transform,p,n),u=[256/a.width*2+1,256/a.height*2+1],y=n?e.text.dynamicLayoutVertexArray:e.icon.dynamicLayoutVertexArray;y.clear();for(var g=e.lineVertexArray,d=n?e.placedGlyphArray:e.placedIconArray,f=0;f<d.length;f++){var h=d.get(f),x=[h.anchorX,h.anchorY,0,1];if(vec4.transformMat4(x,x,t),function(e,t,a,n){var r=e[0]/e[3],i=e[1]/e[3];return r>=-a[0]&&r<=a[0]&&i>=-a[1]&&i<=a[1]&&n.frameHistory.isVisible(t)}(x,h.placementZoom,u,a)){var b=1+.5*(x[3]/a.transform.cameraToCenterDistance-1),L=symbolSize.evaluateSizeForFeature(m,c,h),A=o?L*b:L/b,G=new Point(h.anchorX,h.anchorY),S=project(G,r).point,P={},D=placeGlyphsAlongLine(h,A,!1,l,t,r,i,e.glyphOffsetArray,g,y,S,G,P);(D.notEnoughRoom||D.needsFlipping&&placeGlyphsAlongLine(h,A,!0,l,t,r,i,e.glyphOffsetArray,g,y,S,G,P).notEnoughRoom)&&hideGlyphs(h.numGlyphs,y)}else hideGlyphs(h.numGlyphs,y)}n?e.text.dynamicLayoutVertexBuffer.updateData(y.serialize()):e.icon.dynamicLayoutVertexBuffer.updateData(y.serialize())},getLabelPlaneMatrix:function(e,t,a,n,r){var i=mat4.identity(new Float32Array(16));return t?(mat4.identity(i),mat4.scale(i,i,[1/r,1/r,1]),a||mat4.rotateZ(i,i,n.angle)):(mat4.scale(i,i,[n.width/2,-n.height/2,1]),mat4.translate(i,i,[1,-1,0]),mat4.multiply(i,i,e)),i},getGlCoordMatrix:function(e,t,a,n,r){var i=mat4.identity(new Float32Array(16));return t?(mat4.multiply(i,i,e),mat4.scale(i,i,[r,r,1]),a||mat4.rotateZ(i,i,-n.angle)):(mat4.scale(i,i,[1,-1,1]),mat4.translate(i,i,[-1,-1,0]),mat4.scale(i,i,[2/n.width,2/n.height,1])),i}};var offscreenPoint=new Point(-1/0,-1/0)},{"../data/bucket/symbol_bucket":57,"./symbol_size":207,"@mapbox/gl-matrix":1,"@mapbox/point-geometry":2}],205:[function(_dereq_,module,exports){"use strict";var Point=_dereq_("@mapbox/point-geometry"),GLYPH_PBF_BORDER=_dereq_("../style/parse_glyph_pbf").GLYPH_PBF_BORDER;module.exports={getIconQuads:function(t,e,i,o,n,a,r){var u,l,d,f,c=e.image,h=i.layout,x=e.top-1/c.pixelRatio,g=e.left-1/c.pixelRatio,p=e.bottom+1/c.pixelRatio,s=e.right+1/c.pixelRatio;if("none"!==h["icon-text-fit"]&&n){var P=s-g,_=p-x,w=h["text-size"]/24,m=n.left*w,y=n.right*w,M=n.top*w,R=y-m,b=n.bottom*w-M,G=h["icon-text-fit-padding"][0],B=h["icon-text-fit-padding"][1],I=h["icon-text-fit-padding"][2],L=h["icon-text-fit-padding"][3],Q="width"===h["icon-text-fit"]?.5*(b-_):0,O="height"===h["icon-text-fit"]?.5*(R-P):0,A="width"===h["icon-text-fit"]||"both"===h["icon-text-fit"]?R:P,D="height"===h["icon-text-fit"]||"both"===h["icon-text-fit"]?b:_;u=new Point(m+O-L,M+Q-G),l=new Point(m+O+B+A,M+Q-G),d=new Point(m+O+B+A,M+Q+I+D),f=new Point(m+O-L,M+Q+I+D)}else u=new Point(g,x),l=new Point(s,x),d=new Point(s,p),f=new Point(g,p);var E=i.getLayoutValue("icon-rotate",a,r)*Math.PI/180;if(E){var F=Math.sin(E),H=Math.cos(E),V=[H,-F,F,H];u._matMult(V),l._matMult(V),f._matMult(V),d._matMult(V)}return[{tl:u,tr:l,bl:f,br:d,tex:{x:c.textureRect.x-1,y:c.textureRect.y-1,w:c.textureRect.w+2,h:c.textureRect.h+2},writingMode:void 0,glyphOffset:[0,0]}]},getGlyphQuads:function(t,e,i,o,n,a,r){for(var u=i.getLayoutValue("text-rotate",n,a)*Math.PI/180,l=i.getLayoutValue("text-offset",n,a).map(function(t){return 24*t}),d=e.positionedGlyphs,f=[],c=0;c<d.length;c++){var h=d[c],x=r[h.glyph];if(x){var g=x.rect;if(g){var p=GLYPH_PBF_BORDER+1,s=x.metrics.advance/2,P=o?[h.x+s,h.y]:[0,0],_=o?[0,0]:[h.x+s+l[0],h.y+l[1]],w=x.metrics.left-p-s+_[0],m=-x.metrics.top-p+_[1],y=w+g.w,M=m+g.h,v=new Point(w,m),R=new Point(y,m),b=new Point(w,M),G=new Point(y,M);if(o&&h.vertical){var B=new Point(-s,s),I=-Math.PI/2,L=new Point(5,0);v._rotateAround(I,B)._add(L),R._rotateAround(I,B)._add(L),b._rotateAround(I,B)._add(L),G._rotateAround(I,B)._add(L)}if(u){var Q=Math.sin(u),O=Math.cos(u),A=[O,-Q,Q,O];v._matMult(A),R._matMult(A),b._matMult(A),G._matMult(A)}f.push({tl:v,tr:R,bl:b,br:G,tex:g,writingMode:e.writingMode,glyphOffset:P})}}}return f}}},{"../style/parse_glyph_pbf":180,"@mapbox/point-geometry":2}],206:[function(_dereq_,module,exports){"use strict";function calculateBadness(e,t,a,r){var i=Math.pow(e-t,2);return r?e<t?i/2:2*i:i+Math.abs(a)*a}function evaluateBreak(e,t,a,r,i,n){for(var l=null,c=calculateBadness(t,a,i,n),o=0,s=r;o<s.length;o+=1){var h=s[o],u=calculateBadness(t-h.x,a,i,n)+h.badness;u<=c&&(l=h,c=u)}return{index:e,x:t,priorBreak:l,badness:c}}function leastBadBreaks(e){return e?leastBadBreaks(e.priorBreak).concat(e.index):[]}function determineLineBreaks(e,t,a,r){if(!a)return[];if(!e)return[];for(var i=[],n=function(e,t,a,r){for(var i=0,n=0;n<e.length;n++){var l=r[e.charCodeAt(n)];l&&(i+=l.metrics.advance+t)}return i/Math.max(1,Math.ceil(i/a))}(e,t,a,r),l=0,c=0;c<e.length;c++){var o=e.charCodeAt(c),s=r[o];s&&!whitespace[o]&&(l+=s.metrics.advance+t),c<e.length-1&&(breakable[o]||scriptDetection.charAllowsIdeographicBreaking(o))&&i.push(evaluateBreak(c+1,l,n,i,function(e,t){var a=0;return 10===e&&(a-=1e4),40!==e&&65288!==e||(a+=50),41!==t&&65289!==t||(a+=50),a}(o,e.charCodeAt(c+1)),!1))}return leastBadBreaks(evaluateBreak(e.length,l,n,i,0,!0))}function getAnchorAlignment(e){var t=.5,a=.5;switch(e){case"right":case"top-right":case"bottom-right":t=1;break;case"left":case"top-left":case"bottom-left":t=0}switch(e){case"bottom":case"bottom-right":case"bottom-left":a=1;break;case"top":case"top-right":case"top-left":a=0}return{horizontalAlign:t,verticalAlign:a}}var scriptDetection=_dereq_("../util/script_detection"),verticalizePunctuation=_dereq_("../util/verticalize_punctuation"),rtlTextPlugin=_dereq_("../source/rtl_text_plugin"),WritingMode={horizontal:1,vertical:2};module.exports={shapeText:function(e,t,a,r,i,n,l,c,o,s){var h=e.trim();s===WritingMode.vertical&&(h=verticalizePunctuation(h));var g,u=[],p={positionedGlyphs:u,text:h,top:c[1],bottom:c[1],left:c[0],right:c[0],writingMode:s},b=rtlTextPlugin.processBidirectionalText;return g=b?b(h,determineLineBreaks(h,l,a,t)):function(e,t){for(var a=[],r=0,i=0,n=t;i<n.length;i+=1){var l=n[i];a.push(e.substring(r,l)),r=l}return r<e.length&&a.push(e.substring(r,e.length)),a}(h,determineLineBreaks(h,l,a,t)),function(e,t,a,r,i,n,l,c,o){for(var s=0,h=-17,g=0,u=e.positionedGlyphs,p="right"===n?1:"left"===n?0:.5,b=0,v=a;b<v.length;b+=1){var d=v[b];if((d=d.trim()).length){for(var f=u.length,k=0;k<d.length;k++){var m=d.charCodeAt(k),x=t[m];x&&(scriptDetection.charHasUprightVerticalOrientation(m)&&l!==WritingMode.horizontal?(u.push({glyph:m,x:s,y:0,vertical:!0}),s+=o+c):(u.push({glyph:m,x:s,y:h,vertical:!1}),s+=x.metrics.advance+c))}if(u.length!==f){var A=s-c;g=Math.max(A,g),function(e,t,a,r,i){if(i){var n=t[e[r].glyph];if(n)for(var l=n.metrics.advance,c=(e[r].x+l)*i,o=a;o<=r;o++)e[o].x-=c}}(u,t,f,u.length-1,p)}s=0,h+=r}else h+=r}var B=getAnchorAlignment(i),y=B.horizontalAlign,w=B.verticalAlign;!function(e,t,a,r,i,n,l){for(var c=(t-a)*i,o=(-r*l+.5)*n,s=0;s<e.length;s++)e[s].x+=c,e[s].y+=o}(u,p,y,w,g,r,a.length);var z=a.length*r;e.top+=-w*z,e.bottom=e.top+z,e.left+=-y*g,e.right=e.left+g}(p,t,g,r,i,n,s,l,o),!!u.length&&p},shapeIcon:function(e,t,a){var r=getAnchorAlignment(a),i=r.horizontalAlign,n=r.verticalAlign,l=t[0],c=t[1],o=l-e.displaySize[0]*i,s=o+e.displaySize[0],h=c-e.displaySize[1]*n;return{image:e,top:h,bottom:h+e.displaySize[1],left:o,right:s}},WritingMode:WritingMode};var whitespace={};whitespace[9]=!0,whitespace[10]=!0,whitespace[11]=!0,whitespace[12]=!0,whitespace[13]=!0,whitespace[32]=!0;var breakable={};breakable[10]=!0,breakable[32]=!0,breakable[38]=!0,breakable[40]=!0,breakable[41]=!0,breakable[43]=!0,breakable[45]=!0,breakable[47]=!0,breakable[173]=!0,breakable[183]=!0,breakable[8203]=!0,breakable[8208]=!0,breakable[8211]=!0,breakable[8231]=!0},{"../source/rtl_text_plugin":108,"../util/script_detection":247,"../util/verticalize_punctuation":254}],207:[function(_dereq_,module,exports){"use strict";var interpolate=_dereq_("../style-spec/util/interpolate"),util=_dereq_("../util/util");module.exports={getSizeData:function(e,o,t){var a=o.getLayoutDeclaration(t),i=!a||a.expression.isFeatureConstant;if(!a||a.expression.isZoomConstant)return i?{functionType:"constant",layoutSize:o.getLayoutValue(t,{zoom:e+1})}:{functionType:"source"};for(var n=a.expression.zoomStops,r=0;r<n.length&&n[r]<=e;)r++;for(var u=r=Math.max(0,r-1);u<n.length&&n[u]<e+1;)u++;u=Math.min(n.length-1,u);var c=[n[r],n[u]];return i?{functionType:"camera",layoutSize:o.getLayoutValue(t,{zoom:e+1}),coveringZoomRange:c,coveringStopValues:[o.getLayoutValue(t,{zoom:n[r]}),o.getLayoutValue(t,{zoom:n[u]})]}:{functionType:"composite",coveringZoomRange:c}},evaluateSizeForFeature:function(e,o,t){var a=o;return"source"===e.functionType?t.lowerSize/10:"composite"===e.functionType?interpolate.number(t.lowerSize/10,t.upperSize/10,a.uSizeT):a.uSize},evaluateSizeForZoom:function(e,o,t,a){var i={};if("composite"===e.functionType){var r=t.getLayoutDeclaration(a?"text-size":"icon-size").interpolationFactor(o.zoom,e.coveringZoomRange[0],e.coveringZoomRange[1]);i.uSizeT=util.clamp(r,0,1)}else if("camera"===e.functionType){var c=t.getLayoutDeclaration(a?"text-size":"icon-size").interpolationFactor(o.zoom,e.coveringZoomRange[0],e.coveringZoomRange[1]),l=e.coveringStopValues[0],s=e.coveringStopValues[1];i.uSize=l+(s-l)*util.clamp(c,0,1)}else"constant"===e.functionType&&(i.uSize=e.layoutSize);return i}}},{"../style-spec/util/interpolate":152,"../util/util":252}],208:[function(_dereq_,module,exports){"use strict";var rtlTextPlugin=_dereq_("../source/rtl_text_plugin");module.exports=function(e,r,t,a){var l=r.getLayoutValue("text-transform",t,a);return"uppercase"===l?e=e.toLocaleUpperCase():"lowercase"===l&&(e=e.toLocaleLowerCase()),rtlTextPlugin.applyArabicShaping&&(e=rtlTextPlugin.applyArabicShaping(e)),e}},{"../source/rtl_text_plugin":108}],209:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../util/dom"),Point=_dereq_("@mapbox/point-geometry"),handlers={scrollZoom:_dereq_("./handler/scroll_zoom"),boxZoom:_dereq_("./handler/box_zoom"),dragRotate:_dereq_("./handler/drag_rotate"),dragPan:_dereq_("./handler/drag_pan"),keyboard:_dereq_("./handler/keyboard"),doubleClickZoom:_dereq_("./handler/dblclick_zoom"),touchZoomRotate:_dereq_("./handler/touch_zoom_rotate")};module.exports=function(e,t){function h(t,n){var o=DOM.mousePos(g,n);return e.fire(t,{lngLat:e.unproject(o),point:o,originalEvent:n})}function f(t,n){var o=DOM.touchPos(g,n),r=o.reduce(function(e,t,n,o){return e.add(t.div(o.length))},new Point(0,0));return e.fire(t,{lngLat:e.unproject(r),point:r,lngLats:o.map(function(t){return e.unproject(t)},this),points:o,originalEvent:n})}var g=e.getCanvasContainer(),p=null,E=!1,L=null,b=null;for(var k in handlers)e[k]=new handlers[k](e,t),t.interactive&&t[k]&&e[k].enable(t[k]);g.addEventListener("mouseout",function(e){h("mouseout",e)},!1),g.addEventListener("mousedown",function(t){e.doubleClickZoom.isActive()||e.stop(),L=DOM.mousePos(g,t),h("mousedown",t),E=!0},!1),g.addEventListener("mouseup",function(t){var n=e.dragRotate&&e.dragRotate.isActive();p&&!n&&h("contextmenu",p),p=null,E=!1,h("mouseup",t)},!1),g.addEventListener("mousemove",function(t){if(!(e.dragPan&&e.dragPan.isActive()||e.dragRotate&&e.dragRotate.isActive())){for(var n=t.toElement||t.target;n&&n!==g;)n=n.parentNode;n===g&&h("mousemove",t)}},!1),g.addEventListener("touchstart",function(t){e.stop(),f("touchstart",t),!t.touches||t.touches.length>1||(b?(clearTimeout(b),b=null,h("dblclick",t)):b=setTimeout(function(){b=null},300))},!1),g.addEventListener("touchend",function(e){f("touchend",e)},!1),g.addEventListener("touchmove",function(e){f("touchmove",e)},!1),g.addEventListener("touchcancel",function(e){f("touchcancel",e)},!1),g.addEventListener("click",function(e){DOM.mousePos(g,e).equals(L)&&h("click",e)},!1),g.addEventListener("dblclick",function(e){h("dblclick",e),e.preventDefault()},!1),g.addEventListener("contextmenu",function(t){var n=e.dragRotate&&e.dragRotate.isActive();E||n?E&&(p=t):h("contextmenu",t),t.preventDefault()},!1)}},{"../util/dom":238,"./handler/box_zoom":218,"./handler/dblclick_zoom":219,"./handler/drag_pan":220,"./handler/drag_rotate":221,"./handler/keyboard":222,"./handler/scroll_zoom":223,"./handler/touch_zoom_rotate":224,"@mapbox/point-geometry":2}],210:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),interpolate=_dereq_("../style-spec/util/interpolate"),browser=_dereq_("../util/browser"),LngLat=_dereq_("../geo/lng_lat"),LngLatBounds=_dereq_("../geo/lng_lat_bounds"),Point=_dereq_("@mapbox/point-geometry"),Camera=function(t){function i(i,e){t.call(this),this.moving=!1,this.transform=i,this._bearingSnap=e.bearingSnap}return t&&(i.__proto__=t),i.prototype=Object.create(t&&t.prototype),i.prototype.constructor=i,i.prototype.getCenter=function(){return this.transform.center},i.prototype.setCenter=function(t,i){return this.jumpTo({center:t},i)},i.prototype.panBy=function(t,i,e){return t=Point.convert(t).mult(-1),this.panTo(this.transform.center,util.extend({offset:t},i),e)},i.prototype.panTo=function(t,i,e){return this.easeTo(util.extend({center:t},i),e)},i.prototype.getZoom=function(){return this.transform.zoom},i.prototype.setZoom=function(t,i){return this.jumpTo({zoom:t},i),this},i.prototype.zoomTo=function(t,i,e){return this.easeTo(util.extend({zoom:t},i),e)},i.prototype.zoomIn=function(t,i){return this.zoomTo(this.getZoom()+1,t,i),this},i.prototype.zoomOut=function(t,i){return this.zoomTo(this.getZoom()-1,t,i),this},i.prototype.getBearing=function(){return this.transform.bearing},i.prototype.setBearing=function(t,i){return this.jumpTo({bearing:t},i),this},i.prototype.rotateTo=function(t,i,e){return this.easeTo(util.extend({bearing:t},i),e)},i.prototype.resetNorth=function(t,i){return this.rotateTo(0,util.extend({duration:1e3},t),i),this},i.prototype.snapToNorth=function(t,i){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,i):this},i.prototype.getPitch=function(){return this.transform.pitch},i.prototype.setPitch=function(t,i){return this.jumpTo({pitch:t},i),this},i.prototype.fitBounds=function(t,i,e){if("number"==typeof(i=util.extend({padding:{top:0,bottom:0,right:0,left:0},offset:[0,0],maxZoom:this.transform.maxZoom},i)).padding){var o=i.padding;i.padding={top:o,bottom:o,right:o,left:o}}if(!util.deepEqual(Object.keys(i.padding).sort(function(t,i){return t<i?-1:t>i?1:0}),["bottom","left","right","top"]))return util.warnOnce("options.padding must be a positive number, or an Object with keys 'bottom', 'left', 'right', 'top'"),this;t=LngLatBounds.convert(t);var n=[i.padding.left-i.padding.right,i.padding.top-i.padding.bottom],r=Math.min(i.padding.right,i.padding.left),a=Math.min(i.padding.top,i.padding.bottom);i.offset=[i.offset[0]+n[0],i.offset[1]+n[1]];var s=Point.convert(i.offset),h=this.transform,p=h.project(t.getNorthWest()),u=h.project(t.getSouthEast()),c=u.sub(p),m=(h.width-2*r-2*Math.abs(s.x))/c.x,f=(h.height-2*a-2*Math.abs(s.y))/c.y;return f<0||m<0?(util.warnOnce("Map cannot fit within canvas with the given bounds, padding, and/or offset."),this):(i.center=h.unproject(p.add(u).div(2)),i.zoom=Math.min(h.scaleZoom(h.scale*Math.min(m,f)),i.maxZoom),i.bearing=0,i.linear?this.easeTo(i,e):this.flyTo(i,e))},i.prototype.jumpTo=function(t,i){this.stop();var e=this.transform,o=!1,n=!1,r=!1;return"zoom"in t&&e.zoom!==+t.zoom&&(o=!0,e.zoom=+t.zoom),void 0!==t.center&&(e.center=LngLat.convert(t.center)),"bearing"in t&&e.bearing!==+t.bearing&&(n=!0,e.bearing=+t.bearing),"pitch"in t&&e.pitch!==+t.pitch&&(r=!0,e.pitch=+t.pitch),this.fire("movestart",i).fire("move",i),o&&this.fire("zoomstart",i).fire("zoom",i).fire("zoomend",i),n&&this.fire("rotate",i),r&&this.fire("pitchstart",i).fire("pitch",i).fire("pitchend",i),this.fire("moveend",i)},i.prototype.easeTo=function(t,i){var e=this;this.stop(),!1===(t=util.extend({offset:[0,0],duration:500,easing:util.ease},t)).animate&&(t.duration=0),t.smoothEasing&&0!==t.duration&&(t.easing=this._smoothOutEasing(t.duration));var o=this.transform,n=this.getZoom(),r=this.getBearing(),a=this.getPitch(),s="zoom"in t?+t.zoom:n,h="bearing"in t?this._normalizeBearing(t.bearing,r):r,p="pitch"in t?+t.pitch:a,u=o.centerPoint.add(Point.convert(t.offset)),c=o.pointLocation(u),m=LngLat.convert(t.center||c);this._normalizeCenter(m);var f,g,d=o.project(c),l=o.project(m).sub(d),v=o.zoomScale(s-n);return t.around&&(f=LngLat.convert(t.around),g=o.locationPoint(f)),this.zooming=s!==n,this.rotating=r!==h,this.pitching=p!==a,this._prepareEase(i,t.noMoveStart),clearTimeout(this._onEaseEnd),this._ease(function(t){if(this.zooming&&(o.zoom=interpolate(n,s,t)),this.rotating&&(o.bearing=interpolate(r,h,t)),this.pitching&&(o.pitch=interpolate(a,p,t)),f)o.setLocationAtPoint(f,g);else{var e=o.zoomScale(o.zoom-n),c=s>n?Math.min(2,v):Math.max(.5,v),m=Math.pow(c,1-t),b=o.unproject(d.add(l.mult(t*m)).mult(e));o.setLocationAtPoint(o.renderWorldCopies?b.wrap():b,u)}this._fireMoveEvents(i)},function(){t.delayEndEvents?e._onEaseEnd=setTimeout(function(){return e._easeToEnd(i)},t.delayEndEvents):e._easeToEnd(i)},t),this},i.prototype._prepareEase=function(t,i){this.moving=!0,i||this.fire("movestart",t),this.zooming&&this.fire("zoomstart",t),this.pitching&&this.fire("pitchstart",t)},i.prototype._fireMoveEvents=function(t){this.fire("move",t),this.zooming&&this.fire("zoom",t),this.rotating&&this.fire("rotate",t),this.pitching&&this.fire("pitch",t)},i.prototype._easeToEnd=function(t){var i=this.zooming,e=this.pitching;this.moving=!1,this.zooming=!1,this.rotating=!1,this.pitching=!1,i&&this.fire("zoomend",t),e&&this.fire("pitchend",t),this.fire("moveend",t)},i.prototype.flyTo=function(t,i){function e(t){var i=(M*M-z*z+(t?-1:1)*L*L*E*E)/(2*(t?M:z)*L*E);return Math.log(Math.sqrt(i*i+1)-i)}function o(t){return(Math.exp(t)-Math.exp(-t))/2}function n(t){return(Math.exp(t)+Math.exp(-t))/2}var a=this;this.stop(),t=util.extend({offset:[0,0],speed:1.2,curve:1.42,easing:util.ease},t);var s=this.transform,h=this.getZoom(),p=this.getBearing(),u=this.getPitch(),c="zoom"in t?util.clamp(+t.zoom,s.minZoom,s.maxZoom):h,m="bearing"in t?this._normalizeBearing(t.bearing,p):p,f="pitch"in t?+t.pitch:u,g=s.zoomScale(c-h),d=s.centerPoint.add(Point.convert(t.offset)),l=s.pointLocation(d),v=LngLat.convert(t.center||l);this._normalizeCenter(v);var b=s.project(l),y=s.project(v).sub(b),_=t.curve,z=Math.max(s.width,s.height),M=z/g,E=y.mag();if("minZoom"in t){var T=util.clamp(Math.min(t.minZoom,h,c),s.minZoom,s.maxZoom),x=z/s.zoomScale(T-h);_=Math.sqrt(x/E*2)}var L=_*_,j=e(0),Z=function(t){return n(j)/n(j+_*t)},w=function(t){return z*((n(j)*function(t){return o(t)/n(t)}(j+_*t)-o(j))/L)/E},P=(e(1)-j)/_;if(Math.abs(E)<1e-6||!isFinite(P)){if(Math.abs(z-M)<1e-6)return this.easeTo(t,i);var q=M<z?-1:1;P=Math.abs(Math.log(M/z))/_,w=function(){return 0},Z=function(t){return Math.exp(q*_*t)}}if("duration"in t)t.duration=+t.duration;else{var B="screenSpeed"in t?+t.screenSpeed/_:+t.speed;t.duration=1e3*P/B}return t.maxDuration&&t.duration>t.maxDuration&&(t.duration=0),this.zooming=!0,this.rotating=p!==m,this.pitching=f!==u,this._prepareEase(i,!1),this._ease(function(t){var e=t*P,o=1/Z(e);s.zoom=h+s.scaleZoom(o),this.rotating&&(s.bearing=interpolate(p,m,t)),this.pitching&&(s.pitch=interpolate(u,f,t));var n=s.unproject(b.add(y.mult(w(e))).mult(o));s.setLocationAtPoint(s.renderWorldCopies?n.wrap():n,d),this._fireMoveEvents(i)},function(){return a._easeToEnd(i)},t),this},i.prototype.isEasing=function(){return!!this._abortFn},i.prototype.isMoving=function(){return this.moving},i.prototype.stop=function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},i.prototype._ease=function(t,i,e){this._finishFn=i,this._abortFn=browser.timed(function(i){t.call(this,e.easing(i)),1===i&&this._finishEase()},!1===e.animate?0:e.duration,this)},i.prototype._finishEase=function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},i.prototype._normalizeBearing=function(t,i){t=util.wrap(t,-180,180);var e=Math.abs(t-i);return Math.abs(t-360-i)<e&&(t-=360),Math.abs(t+360-i)<e&&(t+=360),t},i.prototype._normalizeCenter=function(t){var i=this.transform;if(i.renderWorldCopies&&!i.lngRange){var e=t.lng-i.center.lng;t.lng+=e>180?-360:e<-180?360:0}},i.prototype._smoothOutEasing=function(t){var i=util.ease;if(this._prevEase){var e=this._prevEase,o=(Date.now()-e.start)/e.duration,n=e.easing(o+.01)-e.easing(o),r=.27/Math.sqrt(n*n+1e-4)*.01,a=Math.sqrt(.0729-r*r);i=util.bezier(r,a,.25,1)}return this._prevEase={start:(new Date).getTime(),duration:t,easing:i},i},i}(_dereq_("../util/evented"));module.exports=Camera},{"../geo/lng_lat":68,"../geo/lng_lat_bounds":69,"../style-spec/util/interpolate":152,"../util/browser":231,"../util/evented":239,"../util/util":252,"@mapbox/point-geometry":2}],211:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),config=_dereq_("../../util/config"),AttributionControl=function(t){this.options=t,util.bindAll(["_updateEditLink","_updateData","_updateCompact"],this)};AttributionControl.prototype.getDefaultPosition=function(){return"bottom-right"},AttributionControl.prototype.onAdd=function(t){var i=this.options&&this.options.compact;return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-attrib"),i&&this._container.classList.add("mapboxgl-compact"),this._updateAttributions(),this._updateEditLink(),this._map.on("sourcedata",this._updateData),this._map.on("moveend",this._updateEditLink),void 0===i&&(this._map.on("resize",this._updateCompact),this._updateCompact()),this._container},AttributionControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off("sourcedata",this._updateData),this._map.off("moveend",this._updateEditLink),this._map.off("resize",this._updateCompact),this._map=void 0},AttributionControl.prototype._updateEditLink=function(){var t=this._editLink;t||(t=this._editLink=this._container.querySelector(".mapbox-improve-map"));var i=[{key:"owner",value:this.styleOwner},{key:"id",value:this.styleId},{key:"access_token",value:config.ACCESS_TOKEN}];if(t){var o=i.reduce(function(t,o,e){return o.value&&(t+=o.key+"="+o.value+(e<i.length-1?"&":"")),t},"?");t.href="https://www.mapbox.com/feedback/"+o+(this._map._hash?this._map._hash.getHashString(!0):"")}},AttributionControl.prototype._updateData=function(t){t&&"metadata"===t.sourceDataType&&(this._updateAttributions(),this._updateEditLink())},AttributionControl.prototype._updateAttributions=function(){if(this._map.style){var t=[];if(this._map.style.stylesheet){var i=this._map.style.stylesheet;this.styleOwner=i.owner,this.styleId=i.id}var o=this._map.style.sourceCaches;for(var e in o){var n=o[e].getSource();n.attribution&&t.indexOf(n.attribution)<0&&t.push(n.attribution)}t.sort(function(t,i){return t.length-i.length}),t=t.filter(function(i,o){for(var e=o+1;e<t.length;e++)if(t[e].indexOf(i)>=0)return!1;return!0}),this._container.innerHTML=t.join(" | "),this._editLink=null}},AttributionControl.prototype._updateCompact=function(){this._map.getCanvasContainer().offsetWidth<=640?this._container.classList.add("mapboxgl-compact"):this._container.classList.remove("mapboxgl-compact")},module.exports=AttributionControl},{"../../util/config":235,"../../util/dom":238,"../../util/util":252}],212:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),window=_dereq_("../../util/window"),FullscreenControl=function(){this._fullscreen=!1,util.bindAll(["_onClickFullscreen","_changeIcon"],this),"onfullscreenchange"in window.document?this._fullscreenchange="fullscreenchange":"onmozfullscreenchange"in window.document?this._fullscreenchange="mozfullscreenchange":"onwebkitfullscreenchange"in window.document?this._fullscreenchange="webkitfullscreenchange":"onmsfullscreenchange"in window.document&&(this._fullscreenchange="MSFullscreenChange"),this._className="mapboxgl-ctrl"};FullscreenControl.prototype.onAdd=function(e){return this._map=e,this._mapContainer=this._map.getContainer(),this._container=DOM.create("div",this._className+" mapboxgl-ctrl-group"),this._checkFullscreenSupport()?this._setupUI():(this._container.style.display="none",util.warnOnce("This device does not support fullscreen mode.")),this._container},FullscreenControl.prototype.onRemove=function(){DOM.remove(this._container),this._map=null,window.document.removeEventListener(this._fullscreenchange,this._changeIcon)},FullscreenControl.prototype._checkFullscreenSupport=function(){return!!(window.document.fullscreenEnabled||window.document.mozFullScreenEnabled||window.document.msFullscreenEnabled||window.document.webkitFullscreenEnabled)},FullscreenControl.prototype._setupUI=function(){var e=this._fullscreenButton=DOM.create("button",this._className+"-icon "+this._className+"-fullscreen",this._container);e.setAttribute("aria-label","Toggle fullscreen"),e.type="button",this._fullscreenButton.addEventListener("click",this._onClickFullscreen),window.document.addEventListener(this._fullscreenchange,this._changeIcon)},FullscreenControl.prototype._isFullscreen=function(){return this._fullscreen},FullscreenControl.prototype._changeIcon=function(){(window.document.fullscreenElement||window.document.mozFullScreenElement||window.document.webkitFullscreenElement||window.document.msFullscreenElement)===this._mapContainer!==this._fullscreen&&(this._fullscreen=!this._fullscreen,this._fullscreenButton.classList.toggle(this._className+"-shrink"),this._fullscreenButton.classList.toggle(this._className+"-fullscreen"))},FullscreenControl.prototype._onClickFullscreen=function(){this._isFullscreen()?window.document.exitFullscreen?window.document.exitFullscreen():window.document.mozCancelFullScreen?window.document.mozCancelFullScreen():window.document.msExitFullscreen?window.document.msExitFullscreen():window.document.webkitCancelFullScreen&&window.document.webkitCancelFullScreen():this._mapContainer.requestFullscreen?this._mapContainer.requestFullscreen():this._mapContainer.mozRequestFullScreen?this._mapContainer.mozRequestFullScreen():this._mapContainer.msRequestFullscreen?this._mapContainer.msRequestFullscreen():this._mapContainer.webkitRequestFullscreen&&this._mapContainer.webkitRequestFullscreen()},module.exports=FullscreenControl},{"../../util/dom":238,"../../util/util":252,"../../util/window":233}],213:[function(_dereq_,module,exports){"use strict";var supportsGeolocation,Evented=_dereq_("../../util/evented"),DOM=_dereq_("../../util/dom"),window=_dereq_("../../util/window"),util=_dereq_("../../util/util"),LngLat=_dereq_("../../geo/lng_lat"),Marker=_dereq_("../marker"),defaultOptions={positionOptions:{enableHighAccuracy:!1,timeout:6e3},fitBoundsOptions:{maxZoom:15},trackUserLocation:!1,showUserLocation:!0},GeolocateControl=function(t){function o(o){t.call(this),this.options=util.extend({},defaultOptions,o),util.bindAll(["_onSuccess","_onError","_finish","_setupUI","_updateCamera","_updateMarker","_onClickGeolocate"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-group"),function(t){void 0!==supportsGeolocation?t(supportsGeolocation):void 0!==window.navigator.permissions?window.navigator.permissions.query({name:"geolocation"}).then(function(o){supportsGeolocation="denied"!==o.state,t(supportsGeolocation)}):(supportsGeolocation=!!window.navigator.geolocation,t(supportsGeolocation))}(this._setupUI),this._container},o.prototype.onRemove=function(){void 0!==this._geolocationWatchID&&(window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0),this.options.showUserLocation&&this._userLocationDotMarker.remove(),DOM.remove(this._container),this._map=void 0},o.prototype._onSuccess=function(t){if(this.options.trackUserLocation)switch(this._lastKnownPosition=t,this._watchState){case"WAITING_ACTIVE":case"ACTIVE_LOCK":case"ACTIVE_ERROR":this._watchState="ACTIVE_LOCK",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active-error"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-active");break;case"BACKGROUND":case"BACKGROUND_ERROR":this._watchState="BACKGROUND",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-background-error"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-background")}this.options.showUserLocation&&"OFF"!==this._watchState&&this._updateMarker(t),this.options.trackUserLocation&&"ACTIVE_LOCK"!==this._watchState||this._updateCamera(t),this.options.showUserLocation&&this._dotElement.classList.remove("mapboxgl-user-location-dot-stale"),this.fire("geolocate",t),this._finish()},o.prototype._updateCamera=function(t){var o=new LngLat(t.coords.longitude,t.coords.latitude),e=t.coords.accuracy;this._map.fitBounds(o.toBounds(e),this.options.fitBoundsOptions,{geolocateSource:!0})},o.prototype._updateMarker=function(t){t?this._userLocationDotMarker.setLngLat([t.coords.longitude,t.coords.latitude]).addTo(this._map):this._userLocationDotMarker.remove()},o.prototype._onError=function(t){if(this.options.trackUserLocation)if(1===t.code)this._watchState="OFF",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active-error"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-background"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-background-error"),void 0!==this._geolocationWatchID&&this._clearWatch();else switch(this._watchState){case"WAITING_ACTIVE":this._watchState="ACTIVE_ERROR",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-active-error");break;case"ACTIVE_LOCK":this._watchState="ACTIVE_ERROR",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-active-error"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-waiting");break;case"BACKGROUND":this._watchState="BACKGROUND_ERROR",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-background"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-background-error"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-waiting")}"OFF"!==this._watchState&&this.options.showUserLocation&&this._dotElement.classList.add("mapboxgl-user-location-dot-stale"),this.fire("error",t),this._finish()},o.prototype._finish=function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0},o.prototype._setupUI=function(t){var o=this;!1!==t&&(this._container.addEventListener("contextmenu",function(t){return t.preventDefault()}),this._geolocateButton=DOM.create("button","mapboxgl-ctrl-icon mapboxgl-ctrl-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.setAttribute("aria-label","Geolocate"),this.options.trackUserLocation&&(this._geolocateButton.setAttribute("aria-pressed","false"),this._watchState="OFF"),this.options.showUserLocation&&(this._dotElement=DOM.create("div","mapboxgl-user-location-dot"),this._userLocationDotMarker=new Marker(this._dotElement),this.options.trackUserLocation&&(this._watchState="OFF")),this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)),this.options.trackUserLocation&&this._map.on("movestart",function(t){t.geolocateSource||"ACTIVE_LOCK"!==o._watchState||(o._watchState="BACKGROUND",o._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-background"),o._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active"),o.fire("trackuserlocationend"))}))},o.prototype._onClickGeolocate=function(){if(this.options.trackUserLocation){switch(this._watchState){case"OFF":this._watchState="WAITING_ACTIVE",this.fire("trackuserlocationstart");break;case"WAITING_ACTIVE":case"ACTIVE_LOCK":case"ACTIVE_ERROR":case"BACKGROUND_ERROR":this._watchState="OFF",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-active-error"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-background"),this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-background-error"),this.fire("trackuserlocationend");break;case"BACKGROUND":this._watchState="ACTIVE_LOCK",this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-background"),this._lastKnownPosition&&this._updateCamera(this._lastKnownPosition),this.fire("trackuserlocationstart")}switch(this._watchState){case"WAITING_ACTIVE":this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-active");break;case"ACTIVE_LOCK":this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-active");break;case"ACTIVE_ERROR":this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-active-error");break;case"BACKGROUND":this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-background");break;case"BACKGROUND_ERROR":this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-background-error")}"OFF"===this._watchState&&void 0!==this._geolocationWatchID?this._clearWatch():void 0===this._geolocationWatchID&&(this._geolocateButton.classList.add("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.setAttribute("aria-pressed","true"),this._geolocationWatchID=window.navigator.geolocation.watchPosition(this._onSuccess,this._onError,this.options.positionOptions))}else window.navigator.geolocation.getCurrentPosition(this._onSuccess,this._onError,this.options.positionOptions),this._timeoutId=setTimeout(this._finish,1e4)},o.prototype._clearWatch=function(){window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0,this._geolocateButton.classList.remove("mapboxgl-ctrl-geolocate-waiting"),this._geolocateButton.setAttribute("aria-pressed","false"),this.options.showUserLocation&&this._updateMarker(null)},o}(Evented);module.exports=GeolocateControl},{"../../geo/lng_lat":68,"../../util/dom":238,"../../util/evented":239,"../../util/util":252,"../../util/window":233,"../marker":227}],214:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),LogoControl=function(){util.bindAll(["_updateLogo"],this)};LogoControl.prototype.onAdd=function(o){this._map=o,this._container=DOM.create("div","mapboxgl-ctrl");var t=DOM.create("a","mapboxgl-ctrl-logo");return t.target="_blank",t.href="https://www.mapbox.com/",t.setAttribute("aria-label","Mapbox logo"),this._container.appendChild(t),this._container.style.display="none",this._map.on("sourcedata",this._updateLogo),this._updateLogo(),this._container},LogoControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off("sourcedata",this._updateLogo)},LogoControl.prototype.getDefaultPosition=function(){return"bottom-left"},LogoControl.prototype._updateLogo=function(o){o&&"metadata"!==o.sourceDataType||(this._container.style.display=this._logoRequired()?"block":"none")},LogoControl.prototype._logoRequired=function(){if(this._map.style){var o=this._map.style.sourceCaches;for(var t in o)if(o[t].getSource().mapbox_logo)return!0;return!1}},module.exports=LogoControl},{"../../util/dom":238,"../../util/util":252}],215:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),DragRotateHandler=_dereq_("../handler/drag_rotate"),NavigationControl=function(){var t=this;util.bindAll(["_rotateCompassArrow"],this),this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-group"),this._container.addEventListener("contextmenu",function(t){return t.preventDefault()}),this._zoomInButton=this._createButton("mapboxgl-ctrl-icon mapboxgl-ctrl-zoom-in","Zoom In",function(){return t._map.zoomIn()}),this._zoomOutButton=this._createButton("mapboxgl-ctrl-icon mapboxgl-ctrl-zoom-out","Zoom Out",function(){return t._map.zoomOut()}),this._compass=this._createButton("mapboxgl-ctrl-icon mapboxgl-ctrl-compass","Reset North",function(){return t._map.resetNorth()}),this._compassArrow=DOM.create("span","mapboxgl-ctrl-compass-arrow",this._compass)};NavigationControl.prototype._rotateCompassArrow=function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t},NavigationControl.prototype.onAdd=function(t){return this._map=t,this._map.on("rotate",this._rotateCompassArrow),this._rotateCompassArrow(),this._handler=new DragRotateHandler(t,{button:"left",element:this._compass,pitchWithRotate:!1}),this._handler.enable(),this._container},NavigationControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off("rotate",this._rotateCompassArrow),delete this._map,this._handler.disable(),delete this._handler},NavigationControl.prototype._createButton=function(t,o,r){var e=DOM.create("button",t,this._container);return e.type="button",e.setAttribute("aria-label",o),e.addEventListener("click",r),e},module.exports=NavigationControl},{"../../util/dom":238,"../../util/util":252,"../handler/drag_rotate":221}],216:[function(_dereq_,module,exports){"use strict";function setScale(t,e,o,n){var i=function(t){var e=Math.pow(10,(""+Math.floor(t)).length-1),o=t/e;return o=o>=10?10:o>=5?5:o>=3?3:o>=2?2:1,e*o}(o),a=i/o;"m"===n&&i>=1e3&&(i/=1e3,n="km"),t.style.width=e*a+"px",t.innerHTML=i+n}var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),ScaleControl=function(t){this.options=t,util.bindAll(["_onMove"],this)};ScaleControl.prototype.getDefaultPosition=function(){return"bottom-left"},ScaleControl.prototype._onMove=function(){!function(t,e,o){var n=o&&o.maxWidth||100,i=t._container.clientHeight/2,a=function(t,e){var o=Math.PI/180,n=t.lat*o,i=e.lat*o,a=Math.sin(n)*Math.sin(i)+Math.cos(n)*Math.cos(i)*Math.cos((e.lng-t.lng)*o);return 6371e3*Math.acos(Math.min(a,1))}(t.unproject([0,i]),t.unproject([n,i]));if(o&&"imperial"===o.unit){var l=3.2808*a;l>5280?setScale(e,n,l/5280,"mi"):setScale(e,n,l,"ft")}else o&&"nautical"===o.unit?setScale(e,n,a/1852,"nm"):setScale(e,n,a,"m")}(this._map,this._container,this.options)},ScaleControl.prototype.onAdd=function(t){return this._map=t,this._container=DOM.create("div","mapboxgl-ctrl mapboxgl-ctrl-scale",t.getContainer()),this._map.on("move",this._onMove),this._onMove(),this._container},ScaleControl.prototype.onRemove=function(){DOM.remove(this._container),this._map.off("move",this._onMove),this._map=void 0},module.exports=ScaleControl},{"../../util/dom":238,"../../util/util":252}],217:[function(_dereq_,module,exports){"use strict"},{}],218:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),LngLatBounds=_dereq_("../../geo/lng_lat_bounds"),util=_dereq_("../../util/util"),window=_dereq_("../../util/window"),BoxZoomHandler=function(o){this._map=o,this._el=o.getCanvasContainer(),this._container=o.getContainer(),util.bindAll(["_onMouseDown","_onMouseMove","_onMouseUp","_onKeyDown"],this)};BoxZoomHandler.prototype.isEnabled=function(){return!!this._enabled},BoxZoomHandler.prototype.isActive=function(){return!!this._active},BoxZoomHandler.prototype.enable=function(){this.isEnabled()||(this._map.dragPan&&this._map.dragPan.disable(),this._el.addEventListener("mousedown",this._onMouseDown,!1),this._map.dragPan&&this._map.dragPan.enable(),this._enabled=!0)},BoxZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},BoxZoomHandler.prototype._onMouseDown=function(o){o.shiftKey&&0===o.button&&(window.document.addEventListener("mousemove",this._onMouseMove,!1),window.document.addEventListener("keydown",this._onKeyDown,!1),window.document.addEventListener("mouseup",this._onMouseUp,!1),DOM.disableDrag(),this._startPos=DOM.mousePos(this._el,o),this._active=!0)},BoxZoomHandler.prototype._onMouseMove=function(o){var e=this._startPos,t=DOM.mousePos(this._el,o);this._box||(this._box=DOM.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",o));var n=Math.min(e.x,t.x),i=Math.max(e.x,t.x),s=Math.min(e.y,t.y),a=Math.max(e.y,t.y);DOM.setTransform(this._box,"translate("+n+"px,"+s+"px)"),this._box.style.width=i-n+"px",this._box.style.height=a-s+"px"},BoxZoomHandler.prototype._onMouseUp=function(o){if(0===o.button){var e=this._startPos,t=DOM.mousePos(this._el,o),n=(new LngLatBounds).extend(this._map.unproject(e)).extend(this._map.unproject(t));this._finish(),e.x===t.x&&e.y===t.y?this._fireEvent("boxzoomcancel",o):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:o,boxZoomBounds:n})}},BoxZoomHandler.prototype._onKeyDown=function(o){27===o.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",o))},BoxZoomHandler.prototype._finish=function(){this._active=!1,window.document.removeEventListener("mousemove",this._onMouseMove,!1),window.document.removeEventListener("keydown",this._onKeyDown,!1),window.document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(DOM.remove(this._box),this._box=null),DOM.enableDrag()},BoxZoomHandler.prototype._fireEvent=function(o,e){return this._map.fire(o,{originalEvent:e})},module.exports=BoxZoomHandler},{"../../geo/lng_lat_bounds":69,"../../util/dom":238,"../../util/util":252,"../../util/window":233}],219:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../../util/util"),DoubleClickZoomHandler=function(o){this._map=o,util.bindAll(["_onDblClick","_onZoomEnd"],this)};DoubleClickZoomHandler.prototype.isEnabled=function(){return!!this._enabled},DoubleClickZoomHandler.prototype.isActive=function(){return!!this._active},DoubleClickZoomHandler.prototype.enable=function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},DoubleClickZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},DoubleClickZoomHandler.prototype._onDblClick=function(o){this._active=!0,this._map.on("zoomend",this._onZoomEnd),this._map.zoomTo(this._map.getZoom()+(o.originalEvent.shiftKey?-1:1),{around:o.lngLat},o)},DoubleClickZoomHandler.prototype._onZoomEnd=function(){this._active=!1,this._map.off("zoomend",this._onZoomEnd)},module.exports=DoubleClickZoomHandler},{"../../util/util":252}],220:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),window=_dereq_("../../util/window"),inertiaEasing=util.bezier(0,0,.3,1),DragPanHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onDown","_onMove","_onUp","_onTouchEnd","_onMouseUp"],this)};DragPanHandler.prototype.isEnabled=function(){return!!this._enabled},DragPanHandler.prototype.isActive=function(){return!!this._active},DragPanHandler.prototype.enable=function(){this.isEnabled()||(this._el.classList.add("mapboxgl-touch-drag-pan"),this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},DragPanHandler.prototype.disable=function(){this.isEnabled()&&(this._el.classList.remove("mapboxgl-touch-drag-pan"),this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},DragPanHandler.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(window.document.addEventListener("touchmove",this._onMove),window.document.addEventListener("touchend",this._onTouchEnd)):(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onMouseUp)),window.addEventListener("blur",this._onMouseUp),this._active=!1,this._startPos=this._pos=DOM.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},DragPanHandler.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._map.moving=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=DOM.mousePos(this._el,t),n=this._map;n.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),n.transform.setLocationAtPoint(n.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},DragPanHandler.prototype._onUp=function(t){var e=this;if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var n=function(){e._map.moving=!1,e._fireEvent("moveend",t)},i=this._inertia;if(i.length<2)return void n();var o=i[i.length-1],r=i[0],a=o[1].sub(r[1]),s=(o[0]-r[0])/1e3;if(0===s||o[1].equals(r[1]))return void n();var u=a.mult(.3/s),d=u.mag();d>1400&&(d=1400,u._unit()._mult(d));var h=d/750,v=u.mult(-h/2);this._map.panBy(v,{duration:1e3*h,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragPanHandler.prototype._onMouseUp=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onMouseUp),window.removeEventListener("blur",this._onMouseUp))},DragPanHandler.prototype._onTouchEnd=function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onTouchEnd))},DragPanHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragPanHandler.prototype._ignoreEvent=function(t){var e=this._map;return!(!e.boxZoom||!e.boxZoom.isActive())||!(!e.dragRotate||!e.dragRotate.isActive())||(t.touches?t.touches.length>1:!!t.ctrlKey||"mousemove"!==t.type&&t.button&&0!==t.button)},DragPanHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()},module.exports=DragPanHandler},{"../../util/dom":238,"../../util/util":252,"../../util/window":233}],221:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),window=_dereq_("../../util/window"),inertiaEasing=util.bezier(0,0,.25,1),DragRotateHandler=function(t,e){this._map=t,this._el=e.element||t.getCanvasContainer(),this._button=e.button||"right",this._bearingSnap=e.bearingSnap||0,this._pitchWithRotate=!1!==e.pitchWithRotate,util.bindAll(["_onDown","_onMove","_onUp"],this)};DragRotateHandler.prototype.isEnabled=function(){return!!this._enabled},DragRotateHandler.prototype.isActive=function(){return!!this._active},DragRotateHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},DragRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},DragRotateHandler.prototype._onDown=function(t){if(!(this._map.boxZoom&&this._map.boxZoom.isActive()||this._map.dragPan&&this._map.dragPan.isActive()||this.isActive())){if("right"===this._button){var e=t.ctrlKey?0:2,i=t.button;if(void 0!==window.InstallTrigger&&2===t.button&&t.ctrlKey&&window.navigator.platform.toUpperCase().indexOf("MAC")>=0&&(i=0),i!==e)return}else if(t.ctrlKey||0!==t.button)return;DOM.disableDrag(),window.document.addEventListener("mousemove",this._onMove,{capture:!0}),window.document.addEventListener("mouseup",this._onUp),window.addEventListener("blur",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=DOM.mousePos(this._el,t),this._center=this._map.transform.centerPoint,t.preventDefault()}},DragRotateHandler.prototype._onMove=function(t){this.isActive()||(this._active=!0,this._map.moving=!0,this._fireEvent("rotatestart",t),this._fireEvent("movestart",t),this._pitchWithRotate&&this._fireEvent("pitchstart",t));var e=this._map;e.stop();var i=this._pos,n=DOM.mousePos(this._el,t),r=.8*(i.x-n.x),a=-.5*(i.y-n.y),o=e.getBearing()-r,s=e.getPitch()-a,h=this._inertia,_=h[h.length-1];this._drainInertiaBuffer(),h.push([Date.now(),e._normalizeBearing(o,_[1])]),e.transform.bearing=o,this._pitchWithRotate&&(this._fireEvent("pitch",t),e.transform.pitch=s),this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=n},DragRotateHandler.prototype._onUp=function(t){var e=this;if(window.document.removeEventListener("mousemove",this._onMove,{capture:!0}),window.document.removeEventListener("mouseup",this._onUp),window.removeEventListener("blur",this._onUp),DOM.enableDrag(),this.isActive()){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var i=this._map,n=i.getBearing(),r=this._inertia,a=function(){Math.abs(n)<e._bearingSnap?i.resetNorth({noMoveStart:!0},{originalEvent:t}):(e._map.moving=!1,e._fireEvent("moveend",t)),e._pitchWithRotate&&e._fireEvent("pitchend",t)};if(r.length<2)return void a();var o=r[0],s=r[r.length-1],h=r[r.length-2],_=i._normalizeBearing(n,h[1]),p=s[1]-o[1],v=p<0?-1:1,d=(s[0]-o[0])/1e3;if(0===p||0===d)return void a();var l=Math.abs(p*(.25/d));l>180&&(l=180);var u=l/180;_+=v*l*(u/2),Math.abs(i._normalizeBearing(_,0))<this._bearingSnap&&(_=i._normalizeBearing(0,_)),i.rotateTo(_,{duration:1e3*u,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},DragRotateHandler.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},DragRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()},module.exports=DragRotateHandler},{"../../util/dom":238,"../../util/util":252,"../../util/window":233}],222:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../../util/util"),KeyboardHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),util.bindAll(["_onKeyDown"],this)};KeyboardHandler.prototype.isEnabled=function(){return!!this._enabled},KeyboardHandler.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},KeyboardHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},KeyboardHandler.prototype._onKeyDown=function(e){if(!(e.altKey||e.ctrlKey||e.metaKey)){var t=0,a=0,n=0,r=0,i=0;switch(e.keyCode){case 61:case 107:case 171:case 187:t=1;break;case 189:case 109:case 173:t=-1;break;case 37:e.shiftKey?a=-1:(e.preventDefault(),r=-1);break;case 39:e.shiftKey?a=1:(e.preventDefault(),r=1);break;case 38:e.shiftKey?n=1:(e.preventDefault(),i=-1);break;case 40:e.shiftKey?n=-1:(i=1,e.preventDefault());break;default:return}var s=this._map,o=s.getZoom(),l={duration:300,delayEndEvents:500,easing:function(e){return e*(2-e)},zoom:t?Math.round(o)+t*(e.shiftKey?2:1):o,bearing:s.getBearing()+15*a,pitch:s.getPitch()+10*n,offset:[100*-r,100*-i],center:s.getCenter()};s.easeTo(l,{originalEvent:e})}},module.exports=KeyboardHandler},{"../../util/util":252}],223:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),browser=_dereq_("../../util/browser"),window=_dereq_("../../util/window"),ua=window.navigator.userAgent.toLowerCase(),firefox=-1!==ua.indexOf("firefox"),safari=-1!==ua.indexOf("safari")&&-1===ua.indexOf("chrom"),ScrollZoomHandler=function(e){this._map=e,this._el=e.getCanvasContainer(),util.bindAll(["_onWheel","_onTimeout"],this)};ScrollZoomHandler.prototype.isEnabled=function(){return!!this._enabled},ScrollZoomHandler.prototype.enable=function(e){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0,this._aroundCenter=e&&"center"===e.around)},ScrollZoomHandler.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},ScrollZoomHandler.prototype._onWheel=function(e){var t=0;"wheel"===e.type?(t=e.deltaY,firefox&&e.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(t/=browser.devicePixelRatio),e.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(t*=40)):"mousewheel"===e.type&&(t=-e.wheelDeltaY,safari&&(t/=3));var o=browser.now(),i=o-(this._time||0);this._pos=DOM.mousePos(this._el,e),this._time=o,0!==t&&t%4.000244140625==0?this._type="wheel":0!==t&&Math.abs(t)<4?this._type="trackpad":i>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(i*t)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&this._zoom(-t,e),e.preventDefault()},ScrollZoomHandler.prototype._onTimeout=function(){this._type="wheel",this._zoom(-this._lastValue)},ScrollZoomHandler.prototype._zoom=function(e,t){if(0!==e){var o=this._map,i=2/(1+Math.exp(-Math.abs(e/100)));e<0&&0!==i&&(i=1/i);var l=o.ease?o.ease.to:o.transform.scale,s=o.transform.scaleZoom(l*i);o.zoomTo(s,{duration:"wheel"===this._type?200:0,around:this._aroundCenter?o.getCenter():o.unproject(this._pos),delayEndEvents:200,smoothEasing:!0},{originalEvent:t})}},module.exports=ScrollZoomHandler},{"../../util/browser":231,"../../util/dom":238,"../../util/util":252,"../../util/window":233}],224:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../../util/dom"),util=_dereq_("../../util/util"),window=_dereq_("../../util/window"),inertiaEasing=util.bezier(0,0,.15,1),TouchZoomRotateHandler=function(t){this._map=t,this._el=t.getCanvasContainer(),util.bindAll(["_onStart","_onMove","_onEnd"],this)};TouchZoomRotateHandler.prototype.isEnabled=function(){return!!this._enabled},TouchZoomRotateHandler.prototype.enable=function(t){this.isEnabled()||(this._el.classList.add("mapboxgl-touch-zoom-rotate"),this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0,this._aroundCenter=t&&"center"===t.around)},TouchZoomRotateHandler.prototype.disable=function(){this.isEnabled()&&(this._el.classList.remove("mapboxgl-touch-zoom-rotate"),this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},TouchZoomRotateHandler.prototype.disableRotation=function(){this._rotationDisabled=!0},TouchZoomRotateHandler.prototype.enableRotation=function(){this._rotationDisabled=!1},TouchZoomRotateHandler.prototype._onStart=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),o=DOM.mousePos(this._el,t.touches[1]);this._startVec=e.sub(o),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],window.document.addEventListener("touchmove",this._onMove,!1),window.document.addEventListener("touchend",this._onEnd,!1)}},TouchZoomRotateHandler.prototype._onMove=function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),o=DOM.mousePos(this._el,t.touches[1]),i=e.add(o).div(2),n=e.sub(o),a=n.mag()/this._startVec.mag(),r=this._rotationDisabled?0:180*n.angleWith(this._startVec)/Math.PI,s=this._map;if(this._gestureIntent){var h={duration:0,around:s.unproject(i)};"rotate"===this._gestureIntent&&(h.bearing=this._startBearing+r),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(h.zoom=s.transform.scaleZoom(this._startScale*a)),s.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),a,i]),s.easeTo(h,{originalEvent:t})}else{var u=Math.abs(1-a)>.15;Math.abs(r)>10?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=n,this._startScale=s.transform.scale,this._startBearing=s.transform.bearing)}t.preventDefault()}},TouchZoomRotateHandler.prototype._onEnd=function(t){window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,o=this._map;if(e.length<2)o.snapToNorth({},{originalEvent:t});else{var i=e[e.length-1],n=e[0],a=o.transform.scaleZoom(this._startScale*i[1]),r=o.transform.scaleZoom(this._startScale*n[1]),s=a-r,h=(i[0]-n[0])/1e3,u=i[2];if(0!==h&&a!==r){var l=.15*s/h;Math.abs(l)>2.5&&(l=l>0?2.5:-2.5);var d=1e3*Math.abs(l/(12*.15)),c=a+l*d/2e3;c<0&&(c=0),o.easeTo({zoom:c,duration:d,easing:inertiaEasing,around:this._aroundCenter?o.getCenter():o.unproject(u)},{originalEvent:t})}else o.snapToNorth({},{originalEvent:t})}},TouchZoomRotateHandler.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now();t.length>2&&e-t[0][0]>160;)t.shift()},module.exports=TouchZoomRotateHandler},{"../../util/dom":238,"../../util/util":252,"../../util/window":233}],225:[function(_dereq_,module,exports){"use strict";var util=_dereq_("../util/util"),window=_dereq_("../util/window"),Hash=function(){util.bindAll(["_onHashChange","_updateHash"],this)};Hash.prototype.addTo=function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},Hash.prototype.remove=function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},Hash.prototype.getHashString=function(t){var a=this._map.getCenter(),h=Math.round(100*this._map.getZoom())/100,e=Math.max(0,Math.ceil(Math.log(h)/Math.LN2)),n=Math.round(a.lng*Math.pow(10,e))/Math.pow(10,e),o=Math.round(a.lat*Math.pow(10,e))/Math.pow(10,e),i=this._map.getBearing(),s=this._map.getPitch(),r="";return r+=t?"#/"+n+"/"+o+"/"+h:"#"+h+"/"+o+"/"+n,(i||s)&&(r+="/"+Math.round(10*i)/10),s&&(r+="/"+Math.round(s)),r},Hash.prototype._onHashChange=function(){var t=window.location.hash.replace("#","").split("/");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0),pitch:+(t[4]||0)}),!0)},Hash.prototype._updateHash=function(){var t=this.getHashString();window.history.replaceState("","",t)},module.exports=Hash},{"../util/util":252,"../util/window":233}],226:[function(_dereq_,module,exports){"use strict";function removeNode(t){t.parentNode&&t.parentNode.removeChild(t)}var util=_dereq_("../util/util"),browser=_dereq_("../util/browser"),window=_dereq_("../util/window"),HTMLImageElement=_dereq_("../util/window").HTMLImageElement,DOM=_dereq_("../util/dom"),ajax=_dereq_("../util/ajax"),Style=_dereq_("../style/style"),AnimationLoop=_dereq_("../style/animation_loop"),Painter=_dereq_("../render/painter"),Transform=_dereq_("../geo/transform"),Hash=_dereq_("./hash"),bindHandlers=_dereq_("./bind_handlers"),Camera=_dereq_("./camera"),LngLat=_dereq_("../geo/lng_lat"),LngLatBounds=_dereq_("../geo/lng_lat_bounds"),Point=_dereq_("@mapbox/point-geometry"),AttributionControl=_dereq_("./control/attribution_control"),LogoControl=_dereq_("./control/logo_control"),isSupported=_dereq_("mapbox-gl-supported");_dereq_("./events");var defaultOptions={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:0,maxZoom:22,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0,renderWorldCopies:!0,refreshExpiredTiles:!0,maxTileCacheSize:null,transformRequest:null},Map=function(t){function e(e){var o=this;if(null!=(e=util.extend({},defaultOptions,e)).minZoom&&null!=e.maxZoom&&e.minZoom>e.maxZoom)throw new Error("maxZoom must be greater than minZoom");var r=new Transform(e.minZoom,e.maxZoom,e.renderWorldCopies);t.call(this,r,e),this._interactive=e.interactive,this._maxTileCacheSize=e.maxTileCacheSize,this._failIfMajorPerformanceCaveat=e.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=e.preserveDrawingBuffer,this._trackResize=e.trackResize,this._bearingSnap=e.bearingSnap,this._refreshExpiredTiles=e.refreshExpiredTiles;var i=e.transformRequest;if(this._transformRequest=i?function(t,e){return i(t,e)||{url:t}}:function(t){return{url:t}},"string"==typeof e.container){var n=window.document.getElementById(e.container);if(!n)throw new Error("Container '"+e.container+"' not found.");this._container=n}else this._container=e.container;this.animationLoop=new AnimationLoop,e.maxBounds&&this.setMaxBounds(e.maxBounds),util.bindAll(["_onWindowOnline","_onWindowResize","_contextLost","_contextRestored","_update","_render","_onData","_onDataLoading"],this),this._setupContainer(),this._setupPainter(),this.on("move",this._update.bind(this,!1)),this.on("zoom",this._update.bind(this,!0)),this.on("moveend",function(){o.animationLoop.set(300),o._rerender()}),void 0!==window&&(window.addEventListener("online",this._onWindowOnline,!1),window.addEventListener("resize",this._onWindowResize,!1)),bindHandlers(this,e),this._hash=e.hash&&(new Hash).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:e.center,zoom:e.zoom,bearing:e.bearing,pitch:e.pitch}),this.resize(),e.style&&this.setStyle(e.style,{localIdeographFontFamily:e.localIdeographFontFamily}),e.attributionControl&&this.addControl(new AttributionControl),this.addControl(new LogoControl,e.logoPosition),this.on("style.load",function(){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update({transition:!1})}),this.on("data",this._onData),this.on("dataloading",this._onDataLoading)}t&&(e.__proto__=t),(e.prototype=Object.create(t&&t.prototype)).constructor=e;var o={showTileBoundaries:{},showCollisionBoxes:{},showOverdrawInspector:{},repaint:{},vertices:{}};return e.prototype.addControl=function(t,e){void 0===e&&t.getDefaultPosition&&(e=t.getDefaultPosition()),void 0===e&&(e="top-right");var o=t.onAdd(this),r=this._controlPositions[e];return-1!==e.indexOf("bottom")?r.insertBefore(o,r.firstChild):r.appendChild(o),this},e.prototype.removeControl=function(t){return t.onRemove(this),this},e.prototype.resize=function(){var t=this._containerDimensions(),e=t[0],o=t[1];return this._resizeCanvas(e,o),this.transform.resize(e,o),this.painter.resize(e,o),this.fire("movestart").fire("move").fire("resize").fire("moveend")},e.prototype.getBounds=function(){var t=new LngLatBounds(this.transform.pointLocation(new Point(0,this.transform.height)),this.transform.pointLocation(new Point(this.transform.width,0)));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new Point(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new Point(0,this.transform.size.y)))),t},e.prototype.getMaxBounds=function(){return this.transform.latRange&&2===this.transform.latRange.length&&this.transform.lngRange&&2===this.transform.lngRange.length?new LngLatBounds([this.transform.lngRange[0],this.transform.latRange[0]],[this.transform.lngRange[1],this.transform.latRange[1]]):null},e.prototype.setMaxBounds=function(t){if(t){var e=LngLatBounds.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=null,this.transform.latRange=null,this._update());return this},e.prototype.setMinZoom=function(t){if((t=null===t||void 0===t?0:t)>=0&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()<t&&this.setZoom(t),this;throw new Error("minZoom must be between 0 and the current maxZoom, inclusive")},e.prototype.getMinZoom=function(){return this.transform.minZoom},e.prototype.setMaxZoom=function(t){if((t=null===t||void 0===t?22:t)>=this.transform.minZoom)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be greater than the current minZoom")},e.prototype.getMaxZoom=function(){return this.transform.maxZoom},e.prototype.project=function(t){return this.transform.locationPoint(LngLat.convert(t))},e.prototype.unproject=function(t){return this.transform.pointLocation(Point.convert(t))},e.prototype.on=function(e,o,r){var i=this;if(void 0===r)return t.prototype.on.call(this,e,o);var n=function(){if("mouseenter"===e||"mouseover"===e){var t=!1;return{layer:o,listener:r,delegates:{mousemove:function(n){var s=i.getLayer(o)?i.queryRenderedFeatures(n.point,{layers:[o]}):[];s.length?t||(t=!0,r.call(i,util.extend({features:s},n,{type:e}))):t=!1},mouseout:function(){t=!1}}}}if("mouseleave"===e||"mouseout"===e){var n=!1;return{layer:o,listener:r,delegates:{mousemove:function(t){(i.getLayer(o)?i.queryRenderedFeatures(t.point,{layers:[o]}):[]).length?n=!0:n&&(n=!1,r.call(i,util.extend({},t,{type:e})))},mouseout:function(t){n&&(n=!1,r.call(i,util.extend({},t,{type:e})))}}}}return{layer:o,listener:r,delegates:(a={},a[e]=function(t){var e=i.getLayer(o)?i.queryRenderedFeatures(t.point,{layers:[o]}):[];e.length&&r.call(i,util.extend({features:e},t))},a)};var a}();this._delegatedListeners=this._delegatedListeners||{},this._delegatedListeners[e]=this._delegatedListeners[e]||[],this._delegatedListeners[e].push(n);for(var s in n.delegates)i.on(s,n.delegates[s]);return this},e.prototype.off=function(e,o,r){if(void 0===r)return t.prototype.off.call(this,e,o);if(this._delegatedListeners&&this._delegatedListeners[e])for(var n=this._delegatedListeners[e],s=0;s<n.length;s++){var a=n[s];if(a.layer===o&&a.listener===r){for(var h in a.delegates)this.off(h,a.delegates[h]);return n.splice(s,1),this}}return this},e.prototype.queryRenderedFeatures=function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];var o,r={};return 2===t.length?(o=arguments[0],r=arguments[1]):1===t.length&&function(t){return t instanceof Point||Array.isArray(t)}(t[0])?o=t[0]:1===t.length&&(r=t[0]),this.style?this.style.queryRenderedFeatures(this._makeQueryGeometry(o),r,this.transform.zoom,this.transform.angle):[]},e.prototype._makeQueryGeometry=function(t){var e=this;void 0===t&&(t=[Point.convert([0,0]),Point.convert([this.transform.width,this.transform.height])]);var o;if(t instanceof Point||"number"==typeof t[0])o=[Point.convert(t)];else{var r=[Point.convert(t[0]),Point.convert(t[1])];o=[r[0],new Point(r[1].x,r[0].y),r[1],new Point(r[0].x,r[1].y),r[0]]}return o=o.map(function(t){return e.transform.pointCoordinate(t)})},e.prototype.querySourceFeatures=function(t,e){return this.style.querySourceFeatures(t,e)},e.prototype.setStyle=function(t,e){if((!e||!1!==e.diff&&!e.localIdeographFontFamily)&&this.style&&t&&"object"==typeof t)try{return this.style.setState(t)&&this._update(!0),this}catch(t){util.warnOnce("Unable to perform style diff: "+(t.message||t.error||t)+". Rebuilding the style from scratch.")}return this.style&&(this.style.setEventedParent(null),this.style._remove(),this.off("rotate",this.style._redoPlacement),this.off("pitch",this.style._redoPlacement),this.off("move",this.style._redoPlacement)),t?(this.style=new Style(this,e||{}),this.style.setEventedParent(this,{style:this.style}),"string"==typeof t?this.style.loadURL(t):this.style.loadJSON(t),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this.on("move",this.style._redoPlacement),this):(delete this.style,this)},e.prototype.getStyle=function(){if(this.style)return this.style.serialize()},e.prototype.isStyleLoaded=function(){return this.style?this.style.loaded():util.warnOnce("There is no style added to the map.")},e.prototype.addSource=function(t,e){return this.style.addSource(t,e),this._update(!0),this},e.prototype.isSourceLoaded=function(t){var e=this.style&&this.style.sourceCaches[t];return void 0===e?void this.fire("error",{error:new Error("There is no source with ID '"+t+"'")}):e.loaded()},e.prototype.areTilesLoaded=function(){var t=this.style&&this.style.sourceCaches;for(var e in t){var r=t[e]._tiles;for(var i in r){var n=r[i];if("loaded"!==n.state&&"errored"!==n.state)return!1}}return!0},e.prototype.addSourceType=function(t,e,o){return this.style.addSourceType(t,e,o)},e.prototype.removeSource=function(t){return this.style.removeSource(t),this._update(!0),this},e.prototype.getSource=function(t){return this.style.getSource(t)},e.prototype.addImage=function(t,e,o){void 0===o&&(o={});var r=o.pixelRatio;void 0===r&&(r=1);var i=o.sdf;if(void 0===i&&(i=!1),e instanceof HTMLImageElement)e=browser.getImageData(e);else if(void 0===e.width||void 0===e.height)return this.fire("error",{error:new Error("Invalid arguments to map.addImage(). The second argument must be an `HTMLImageElement`, `ImageData`, or object with `width`, `height`, and `data` properties with the same format as `ImageData`")});this.style.addImage(t,{data:e,pixelRatio:r,sdf:i})},e.prototype.removeImage=function(t){this.style.removeImage(t)},e.prototype.loadImage=function(t,e){ajax.getImage(this._transformRequest(t,ajax.ResourceType.Image),e)},e.prototype.addLayer=function(t,e){return this.style.addLayer(t,e),this._update(!0),this},e.prototype.moveLayer=function(t,e){return this.style.moveLayer(t,e),this._update(!0),this},e.prototype.removeLayer=function(t){return this.style.removeLayer(t),this._update(!0),this},e.prototype.getLayer=function(t){return this.style.getLayer(t)},e.prototype.setFilter=function(t,e){return this.style.setFilter(t,e),this._update(!0),this},e.prototype.setLayerZoomRange=function(t,e,o){return this.style.setLayerZoomRange(t,e,o),this._update(!0),this},e.prototype.getFilter=function(t){return this.style.getFilter(t)},e.prototype.setPaintProperty=function(t,e,o){return this.style.setPaintProperty(t,e,o),this._update(!0),this},e.prototype.getPaintProperty=function(t,e){return this.style.getPaintProperty(t,e)},e.prototype.setLayoutProperty=function(t,e,o){return this.style.setLayoutProperty(t,e,o),this._update(!0),this},e.prototype.getLayoutProperty=function(t,e){return this.style.getLayoutProperty(t,e)},e.prototype.setLight=function(t){return this.style.setLight(t),this._update(!0),this},e.prototype.getLight=function(){return this.style.getLight()},e.prototype.getContainer=function(){return this._container},e.prototype.getCanvasContainer=function(){return this._canvasContainer},e.prototype.getCanvas=function(){return this._canvas},e.prototype._containerDimensions=function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),[t,e]},e.prototype._setupContainer=function(){var t=this._container;t.classList.add("mapboxgl-map"),(this._missingCSSContainer=DOM.create("div","mapboxgl-missing-css",t)).innerHTML="Missing Mapbox GL JS CSS";var e=this._canvasContainer=DOM.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=DOM.create("canvas","mapboxgl-canvas",e),this._canvas.style.position="absolute",this._canvas.addEventListener("webglcontextlost",this._contextLost,!1),this._canvas.addEventListener("webglcontextrestored",this._contextRestored,!1),this._canvas.setAttribute("tabindex","0"),this._canvas.setAttribute("aria-label","Map");var o=this._containerDimensions();this._resizeCanvas(o[0],o[1]);var r=this._controlContainer=DOM.create("div","mapboxgl-control-container",t),i=this._controlPositions={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){i[t]=DOM.create("div","mapboxgl-ctrl-"+t,r)})},e.prototype._resizeCanvas=function(t,e){var o=window.devicePixelRatio||1;this._canvas.width=o*t,this._canvas.height=o*e,this._canvas.style.width=t+"px",this._canvas.style.height=e+"px"},e.prototype._setupPainter=function(){var t=util.extend({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer},isSupported.webGLContextAttributes),e=this._canvas.getContext("webgl",t)||this._canvas.getContext("experimental-webgl",t);e?this.painter=new Painter(e,this.transform):this.fire("error",{error:new Error("Failed to initialize WebGL")})},e.prototype._contextLost=function(t){t.preventDefault(),this._frameId&&(browser.cancelFrame(this._frameId),this._frameId=null),this.fire("webglcontextlost",{originalEvent:t})},e.prototype._contextRestored=function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},e.prototype.loaded=function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},e.prototype._update=function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},e.prototype._render=function(){return this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(),this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{showTileBoundaries:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,rotating:this.rotating,zooming:this.zooming}),this.fire("render"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire("load")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||this._styleDirty)&&this._rerender(),this},e.prototype.remove=function(){this._hash&&this._hash.remove(),browser.cancelFrame(this._frameId),this._frameId=null,this.setStyle(null),void 0!==window&&(window.removeEventListener("resize",this._onWindowResize,!1),window.removeEventListener("online",this._onWindowOnline,!1));var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),removeNode(this._canvasContainer),removeNode(this._controlContainer),removeNode(this._missingCSSContainer),this._container.classList.remove("mapboxgl-map"),this.fire("remove")},e.prototype._rerender=function(){this.style&&!this._frameId&&(this._frameId=browser.frame(this._render))},e.prototype._onWindowOnline=function(){this._update()},e.prototype._onWindowResize=function(){this._trackResize&&this.stop().resize()._update()},o.showTileBoundaries.get=function(){return!!this._showTileBoundaries},o.showTileBoundaries.set=function(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},o.showCollisionBoxes.get=function(){return!!this._showCollisionBoxes},o.showCollisionBoxes.set=function(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},o.showOverdrawInspector.get=function(){return!!this._showOverdrawInspector},o.showOverdrawInspector.set=function(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},o.repaint.get=function(){return!!this._repaint},o.repaint.set=function(t){this._repaint=t,this._update()},o.vertices.get=function(){return!!this._vertices},o.vertices.set=function(t){this._vertices=t,this._update()},e.prototype._onData=function(t){this._update("style"===t.dataType),this.fire(t.dataType+"data",t)},e.prototype._onDataLoading=function(t){this.fire(t.dataType+"dataloading",t)},Object.defineProperties(e.prototype,o),e}(Camera);module.exports=Map},{"../geo/lng_lat":68,"../geo/lng_lat_bounds":69,"../geo/transform":70,"../render/painter":90,"../style/animation_loop":176,"../style/style":182,"../util/ajax":230,"../util/browser":231,"../util/dom":238,"../util/util":252,"../util/window":233,"./bind_handlers":209,"./camera":210,"./control/attribution_control":211,"./control/logo_control":214,"./events":217,"./hash":225,"@mapbox/point-geometry":2,"mapbox-gl-supported":37}],227:[function(_dereq_,module,exports){"use strict";var DOM=_dereq_("../util/dom"),LngLat=_dereq_("../geo/lng_lat"),Point=_dereq_("@mapbox/point-geometry"),smartWrap=_dereq_("../util/smart_wrap"),bindAll=_dereq_("../util/util").bindAll,Marker=function(t,e){this._offset=Point.convert(e&&e.offset||[0,0]),bindAll(["_update","_onMapClick"],this),t||(t=DOM.create("div")),t.classList.add("mapboxgl-marker"),this._element=t,this._popup=null};Marker.prototype.addTo=function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._element),t.on("move",this._update),t.on("moveend",this._update),this._update(),this._map.on("click",this._onMapClick),this},Marker.prototype.remove=function(){return this._map&&(this._map.off("click",this._onMapClick),this._map.off("move",this._update),this._map.off("moveend",this._update),delete this._map),DOM.remove(this._element),this._popup&&this._popup.remove(),this},Marker.prototype.getLngLat=function(){return this._lngLat},Marker.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._pos=null,this._popup&&this._popup.setLngLat(this._lngLat),this._update(),this},Marker.prototype.getElement=function(){return this._element},Marker.prototype.setPopup=function(t){return this._popup&&(this._popup.remove(),this._popup=null),t&&("offset"in t.options||(t.options.offset=this._offset),this._popup=t,this._popup.setLngLat(this._lngLat)),this},Marker.prototype._onMapClick=function(t){var e=t.originalEvent.target,p=this._element;this._popup&&(e===p||p.contains(e))&&this.togglePopup()},Marker.prototype.getPopup=function(){return this._popup},Marker.prototype.togglePopup=function(){var t=this._popup;return t?(t.isOpen()?t.remove():t.addTo(this._map),this):this},Marker.prototype._update=function(t){this._map&&(this._map.transform.renderWorldCopies&&(this._lngLat=smartWrap(this._lngLat,this._pos,this._map.transform)),this._pos=this._map.project(this._lngLat)._add(this._offset),t&&"moveend"!==t.type||(this._pos=this._pos.round()),DOM.setTransform(this._element,"translate(-50%, -50%) translate("+this._pos.x+"px, "+this._pos.y+"px)"))},module.exports=Marker},{"../geo/lng_lat":68,"../util/dom":238,"../util/smart_wrap":248,"../util/util":252,"@mapbox/point-geometry":2}],228:[function(_dereq_,module,exports){"use strict";function normalizeOffset(t){if(t){if("number"==typeof t){var o=Math.round(Math.sqrt(.5*Math.pow(t,2)));return{top:new Point(0,t),"top-left":new Point(o,o),"top-right":new Point(-o,o),bottom:new Point(0,-t),"bottom-left":new Point(o,-o),"bottom-right":new Point(-o,-o),left:new Point(t,0),right:new Point(-t,0)}}if(t instanceof Point||Array.isArray(t)){var e=Point.convert(t);return{top:e,"top-left":e,"top-right":e,bottom:e,"bottom-left":e,"bottom-right":e,left:e,right:e}}return{top:Point.convert(t.top||[0,0]),"top-left":Point.convert(t["top-left"]||[0,0]),"top-right":Point.convert(t["top-right"]||[0,0]),bottom:Point.convert(t.bottom||[0,0]),"bottom-left":Point.convert(t["bottom-left"]||[0,0]),"bottom-right":Point.convert(t["bottom-right"]||[0,0]),left:Point.convert(t.left||[0,0]),right:Point.convert(t.right||[0,0])}}return normalizeOffset(new Point(0,0))}var util=_dereq_("../util/util"),Evented=_dereq_("../util/evented"),DOM=_dereq_("../util/dom"),LngLat=_dereq_("../geo/lng_lat"),Point=_dereq_("@mapbox/point-geometry"),window=_dereq_("../util/window"),smartWrap=_dereq_("../util/smart_wrap"),defaultOptions={closeButton:!0,closeOnClick:!0},Popup=function(t){function o(o){t.call(this),this.options=util.extend(Object.create(defaultOptions),o),util.bindAll(["_update","_onClickClose"],this)}return t&&(o.__proto__=t),o.prototype=Object.create(t&&t.prototype),o.prototype.constructor=o,o.prototype.addTo=function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},o.prototype.isOpen=function(){return!!this._map},o.prototype.remove=function(){return this._content&&DOM.remove(this._content),this._container&&(DOM.remove(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this.fire("close"),this},o.prototype.getLngLat=function(){return this._lngLat},o.prototype.setLngLat=function(t){return this._lngLat=LngLat.convert(t),this._pos=null,this._update(),this},o.prototype.setText=function(t){return this.setDOMContent(window.document.createTextNode(t))},o.prototype.setHTML=function(t){var o,e=window.document.createDocumentFragment(),n=window.document.createElement("body");for(n.innerHTML=t;o=n.firstChild;)e.appendChild(o);return this.setDOMContent(e)},o.prototype.setDOMContent=function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},o.prototype._createContent=function(){this._content&&DOM.remove(this._content),this._content=DOM.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=DOM.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.type="button",this._closeButton.setAttribute("aria-label","Close popup"),this._closeButton.innerHTML="&#215;",this._closeButton.addEventListener("click",this._onClickClose))},o.prototype._update=function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=DOM.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=DOM.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content)),this._map.transform.renderWorldCopies&&(this._lngLat=smartWrap(this._lngLat,this._pos,this._map.transform));var t=this._pos=this._map.project(this._lngLat),o=this.options.anchor,e=normalizeOffset(this.options.offset);if(!o){var n=this._container.offsetWidth,i=this._container.offsetHeight;o=t.y+e.bottom.y<i?["top"]:t.y>this._map.transform.height-i?["bottom"]:[],t.x<n/2?o.push("left"):t.x>this._map.transform.width-n/2&&o.push("right"),o=0===o.length?"bottom":o.join("-")}var r=t.add(e[o]).round(),s={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},p=this._container.classList;for(var a in s)p.remove("mapboxgl-popup-anchor-"+a);p.add("mapboxgl-popup-anchor-"+o),DOM.setTransform(this._container,s[o]+" translate("+r.x+"px,"+r.y+"px)")}},o.prototype._onClickClose=function(){this.remove()},o}(Evented);module.exports=Popup},{"../geo/lng_lat":68,"../util/dom":238,"../util/evented":239,"../util/smart_wrap":248,"../util/util":252,"../util/window":233,"@mapbox/point-geometry":2}],229:[function(_dereq_,module,exports){"use strict";var util=_dereq_("./util"),Actor=function(t,e,r){this.target=t,this.parent=e,this.mapId=r,this.callbacks={},this.callbackID=0,util.bindAll(["receive"],this),this.target.addEventListener("message",this.receive,!1)};Actor.prototype.send=function(t,e,r,a,i){var s=r?this.mapId+":"+this.callbackID++:null;r&&(this.callbacks[s]=r),this.target.postMessage({targetMapId:i,sourceMapId:this.mapId,type:t,id:String(s),data:e},a)},Actor.prototype.receive=function(t){var e,r=this,a=t.data,i=a.id;if(!a.targetMapId||this.mapId===a.targetMapId){var s=function(t,e,a){r.target.postMessage({sourceMapId:r.mapId,type:"<response>",id:String(i),error:t?String(t):null,data:e},a)};if("<response>"===a.type)e=this.callbacks[a.id],delete this.callbacks[a.id],e&&a.error?e(new Error(a.error)):e&&e(null,a.data);else if(void 0!==a.id&&this.parent[a.type])this.parent[a.type](a.sourceMapId,a.data,s);else if(void 0!==a.id&&this.parent.getWorkerSource){var o=a.type.split(".");this.parent.getWorkerSource(a.sourceMapId,o[0])[o[1]](a.data,s)}else this.parent[a.type](a.data)}},Actor.prototype.remove=function(){this.target.removeEventListener("message",this.receive,!1)},module.exports=Actor},{"./util":252}],230:[function(_dereq_,module,exports){"use strict";function makeRequest(e){var t=new window.XMLHttpRequest;t.open("GET",e.url,!0);for(var r in e.headers)t.setRequestHeader(r,e.headers[r]);return t.withCredentials="include"===e.credentials,t}var window=_dereq_("./window"),ResourceType={Unknown:"Unknown",Style:"Style",Source:"Source",Tile:"Tile",Glyphs:"Glyphs",SpriteImage:"SpriteImage",SpriteJSON:"SpriteJSON",Image:"Image"};exports.ResourceType=ResourceType,"function"==typeof Object.freeze&&Object.freeze(ResourceType);var AJAXError=function(e){function t(t,r){e.call(this,t),this.status=r}return e&&(t.__proto__=e),t.prototype=Object.create(e&&e.prototype),t.prototype.constructor=t,t}(Error);exports.getJSON=function(e,t){var r=makeRequest(e);return r.setRequestHeader("Accept","application/json"),r.onerror=function(){t(new Error(r.statusText))},r.onload=function(){if(r.status>=200&&r.status<300&&r.response){var e;try{e=JSON.parse(r.response)}catch(e){return t(e)}t(null,e)}else t(new AJAXError(r.statusText,r.status))},r.send(),r},exports.getArrayBuffer=function(e,t){var r=makeRequest(e);return r.responseType="arraybuffer",r.onerror=function(){t(new Error(r.statusText))},r.onload=function(){var e=r.response;if(0===e.byteLength&&200===r.status)return t(new Error("http status 200 returned without content."));r.status>=200&&r.status<300&&r.response?t(null,{data:e,cacheControl:r.getResponseHeader("Cache-Control"),expires:r.getResponseHeader("Expires")}):t(new AJAXError(r.statusText,r.status))},r.send(),r},exports.getImage=function(e,t){return exports.getArrayBuffer(e,function(e,r){if(e)t(e);else if(r){var n=new window.Image,o=window.URL||window.webkitURL;n.onload=function(){t(null,n),o.revokeObjectURL(n.src)};var s=new window.Blob([new Uint8Array(r.data)],{type:"image/png"});n.cacheControl=r.cacheControl,n.expires=r.expires,n.src=r.data.byteLength?o.createObjectURL(s):"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQYV2NgAAIAAAUAAarVyFEAAAAASUVORK5CYII="}})},exports.getVideo=function(e,t){var r=window.document.createElement("video");r.onloadstart=function(){t(null,r)};for(var n=0;n<e.length;n++){var o=window.document.createElement("source");(function(e){var t=window.document.createElement("a");return t.href=e,t.protocol===window.document.location.protocol&&t.host===window.document.location.host})(e[n])||(r.crossOrigin="Anonymous"),o.src=e[n],r.appendChild(o)}return r}},{"./window":233}],231:[function(_dereq_,module,exports){"use strict";var window=_dereq_("./window"),now=window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now.bind(Date),frame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame,cancel=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame;module.exports={now:now,frame:function(e){return frame(e)},cancelFrame:function(e){return cancel(e)},timed:function(e,n,t){function a(){if(!i){var r=now();r>=o+n?e.call(t,1):(e.call(t,(r-o)/n),frame(a))}}if(!n)return e.call(t,1),null;var i=!1,o=now();return frame(a),function(){i=!0}},getImageData:function(e){var n=window.document.createElement("canvas"),t=n.getContext("2d");if(!t)throw new Error("failed to create canvas 2d context");return n.width=e.width,n.height=e.height,t.drawImage(e,0,0,e.width,e.height),t.getImageData(0,0,e.width,e.height)},hardwareConcurrency:window.navigator.hardwareConcurrency||4,get devicePixelRatio(){return window.devicePixelRatio},supportsWebp:!1};var webpImgTest=window.document.createElement("img");webpImgTest.onload=function(){module.exports.supportsWebp=!0},webpImgTest.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA="},{"./window":233}],232:[function(_dereq_,module,exports){"use strict";var WebWorkify=_dereq_("webworkify"),window=_dereq_("../window"),workerURL=window.URL.createObjectURL(new WebWorkify(_dereq_("../../source/worker"),{bare:!0}));module.exports=function(){return new window.Worker(workerURL)}},{"../../source/worker":117,"../window":233,webworkify:48}],233:[function(_dereq_,module,exports){"use strict";module.exports=self},{}],234:[function(_dereq_,module,exports){"use strict";var quickselect=_dereq_("quickselect"),calculateSignedArea=_dereq_("./util").calculateSignedArea;module.exports=function(e,r){var a=e.length;if(a<=1)return[e];for(var t,u,c=[],i=0;i<a;i++){var l=calculateSignedArea(e[i]);0!==l&&(e[i].area=Math.abs(l),void 0===u&&(u=l<0),u===l<0?(t&&c.push(t),t=[e[i]]):t.push(e[i]))}if(t&&c.push(t),r>1)for(var n=0;n<c.length;n++)c[n].length<=r||(quickselect(c[n],r,1,c[n].length-1,function(e,r){return r.area-e.area}),c[n]=c[n].slice(0,r));return c}},{"./util":252,quickselect:40}],235:[function(_dereq_,module,exports){"use strict";module.exports={API_URL:"https://api.mapbox.com",REQUIRE_ACCESS_TOKEN:!0,ACCESS_TOKEN:null}},{}],236:[function(_dereq_,module,exports){"use strict";var DictionaryCoder=function(r){this._stringToNumber={},this._numberToString=[];for(var o=0;o<r.length;o++){var i=r[o];this._stringToNumber[i]=o,this._numberToString[o]=i}};DictionaryCoder.prototype.encode=function(r){return this._stringToNumber[r]},DictionaryCoder.prototype.decode=function(r){return this._numberToString[r]},module.exports=DictionaryCoder},{}],237:[function(_dereq_,module,exports){"use strict";var util=_dereq_("./util"),Actor=_dereq_("./actor"),Dispatcher=function(t,r){this.workerPool=t,this.actors=[],this.currentActor=0,this.id=util.uniqueId();for(var i=this.workerPool.acquire(this.id),e=0;e<i.length;e++){var s=i[e],c=new Actor(s,r,this.id);c.name="Worker "+e,this.actors.push(c)}};Dispatcher.prototype.broadcast=function(t,r,o){o=o||function(){},util.asyncAll(this.actors,function(o,i){o.send(t,r,i)},o)},Dispatcher.prototype.send=function(t,r,o,i,e){return("number"!=typeof i||isNaN(i))&&(i=this.currentActor=(this.currentActor+1)%this.actors.length),this.actors[i].send(t,r,o,e),i},Dispatcher.prototype.remove=function(){this.actors.forEach(function(t){t.remove()}),this.actors=[],this.workerPool.release(this.id)},module.exports=Dispatcher},{"./actor":229,"./util":252}],238:[function(_dereq_,module,exports){"use strict";function testProp(e){for(var t=0;t<e.length;t++)if(e[t]in docStyle)return e[t];return e[0]}var Point=_dereq_("@mapbox/point-geometry"),window=_dereq_("./window");exports.create=function(e,t,o){var n=window.document.createElement(e);return t&&(n.className=t),o&&o.appendChild(n),n};var userSelect,docStyle=window.document.documentElement.style,selectProp=testProp(["userSelect","MozUserSelect","WebkitUserSelect","msUserSelect"]);exports.disableDrag=function(){selectProp&&(userSelect=docStyle[selectProp],docStyle[selectProp]="none")},exports.enableDrag=function(){selectProp&&(docStyle[selectProp]=userSelect)};var transformProp=testProp(["transform","WebkitTransform"]);exports.setTransform=function(e,t){e.style[transformProp]=t};var suppressClick=function(e){e.preventDefault(),e.stopPropagation(),window.removeEventListener("click",suppressClick,!0)};exports.suppressClick=function(){window.addEventListener("click",suppressClick,!0),window.setTimeout(function(){window.removeEventListener("click",suppressClick,!0)},0)},exports.mousePos=function(e,t){var o=e.getBoundingClientRect();return t=t.touches?t.touches[0]:t,new Point(t.clientX-o.left-e.clientLeft,t.clientY-o.top-e.clientTop)},exports.touchPos=function(e,t){for(var o=e.getBoundingClientRect(),n=[],r="touchend"===t.type?t.changedTouches:t.touches,s=0;s<r.length;s++)n.push(new Point(r[s].clientX-o.left-e.clientLeft,r[s].clientY-o.top-e.clientTop));return n},exports.remove=function(e){e.parentNode&&e.parentNode.removeChild(e)}},{"./window":233,"@mapbox/point-geometry":2}],239:[function(_dereq_,module,exports){"use strict";function _addEventListener(e,t,n){n[e]=n[e]||[],n[e].push(t)}function _removeEventListener(e,t,n){if(n&&n[e]){var i=n[e].indexOf(t);-1!==i&&n[e].splice(i,1)}}var util=_dereq_("./util"),Evented=function(){};Evented.prototype.on=function(e,t){return this._listeners=this._listeners||{},_addEventListener(e,t,this._listeners),this},Evented.prototype.off=function(e,t){return _removeEventListener(e,t,this._listeners),_removeEventListener(e,t,this._oneTimeListeners),this},Evented.prototype.once=function(e,t){return this._oneTimeListeners=this._oneTimeListeners||{},_addEventListener(e,t,this._oneTimeListeners),this},Evented.prototype.fire=function(e,t){var n=this;if(this.listens(e)){t=util.extend({},t,{type:e,target:this});for(var i=this._listeners&&this._listeners[e]?this._listeners[e].slice():[],s=0;s<i.length;s++)i[s].call(n,t);for(var r=this._oneTimeListeners&&this._oneTimeListeners[e]?this._oneTimeListeners[e].slice():[],o=0;o<r.length;o++)r[o].call(n,t),_removeEventListener(e,r[o],n._oneTimeListeners);this._eventedParent&&this._eventedParent.fire(e,util.extend({},t,"function"==typeof this._eventedParentData?this._eventedParentData():this._eventedParentData))}else util.endsWith(e,"error")&&console.error(t&&t.error||t||"Empty error event");return this},Evented.prototype.listens=function(e){return this._listeners&&this._listeners[e]&&this._listeners[e].length>0||this._oneTimeListeners&&this._oneTimeListeners[e]&&this._oneTimeListeners[e].length>0||this._eventedParent&&this._eventedParent.listens(e)},Evented.prototype.setEventedParent=function(e,t){return this._eventedParent=e,this._eventedParentData=t,this},module.exports=Evented},{"./util":252}],240:[function(_dereq_,module,exports){"use strict";function Cell(e,t,n,o){this.p=new Point(e,t),this.h=n,this.d=function(e,t){for(var n=!1,o=1/0,r=0;r<t.length;r++)for(var i=t[r],l=0,u=i.length,a=u-1;l<u;a=l++){var s=i[l],p=i[a];s.y>e.y!=p.y>e.y&&e.x<(p.x-s.x)*(e.y-s.y)/(p.y-s.y)+s.x&&(n=!n),o=Math.min(o,distToSegmentSquared(e,s,p))}return(n?1:-1)*Math.sqrt(o)}(this.p,o),this.max=this.d+this.h*Math.SQRT2}var Queue=_dereq_("tinyqueue"),Point=_dereq_("@mapbox/point-geometry"),distToSegmentSquared=_dereq_("./intersection_tests").distToSegmentSquared;module.exports=function(e,t,n){void 0===t&&(t=1),void 0===n&&(n=!1);for(var o=1/0,r=1/0,i=-1/0,l=-1/0,u=e[0],a=0;a<u.length;a++){var s=u[a];(!a||s.x<o)&&(o=s.x),(!a||s.y<r)&&(r=s.y),(!a||s.x>i)&&(i=s.x),(!a||s.y>l)&&(l=s.y)}var p=i-o,h=l-r,d=Math.min(p,h),x=d/2,y=new Queue(null,function(e,t){return t.max-e.max});if(0===d)return new Point(o,r);for(var g=o;g<i;g+=d)for(var f=r;f<l;f+=d)y.push(new Cell(g+x,f+x,x,e));for(var m=function(e){for(var t=0,n=0,o=0,r=e[0],i=0,l=r.length,u=l-1;i<l;u=i++){var a=r[i],s=r[u],p=a.x*s.y-s.x*a.y;n+=(a.x+s.x)*p,o+=(a.y+s.y)*p,t+=3*p}return new Cell(n/t,o/t,0,e)}(e),v=y.length;y.length;){var c=y.pop();(c.d>m.d||!m.d)&&(m=c,n&&console.log("found best %d after %d probes",Math.round(1e4*c.d)/1e4,v)),c.max-m.d<=t||(x=c.h/2,y.push(new Cell(c.p.x-x,c.p.y-x,x,e)),y.push(new Cell(c.p.x+x,c.p.y-x,x,e)),y.push(new Cell(c.p.x-x,c.p.y+x,x,e)),y.push(new Cell(c.p.x+x,c.p.y+x,x,e)),v+=4)}return n&&(console.log("num probes: "+v),console.log("best distance: "+m.d)),m.p}},{"./intersection_tests":243,"@mapbox/point-geometry":2,tinyqueue:42}],241:[function(_dereq_,module,exports){"use strict";var globalWorkerPool,WorkerPool=_dereq_("./worker_pool");module.exports=function(){return globalWorkerPool||(globalWorkerPool=new WorkerPool),globalWorkerPool}},{"./worker_pool":255}],242:[function(_dereq_,module,exports){"use strict";function createImage(e,t,i){var h=e.width,a=e.height;if(i){if(i.length!==h*a*t)throw new RangeError("mismatched image size")}else i=new Uint8Array(h*a*t);return{width:h,height:a,data:i}}function resizeImage(e,t,i){var h=t.width,a=t.height;if(h===e.width&&a===e.height)return e;var r=createImage({width:h,height:a},i);copyImage(e,r,{x:0,y:0},{x:0,y:0},{width:Math.min(e.width,h),height:Math.min(e.height,a)},i),e.width=h,e.height=a,e.data=r.data}function copyImage(e,t,i,h,a,r){if(0===a.width||0===a.height)return t;if(a.width>e.width||a.height>e.height||i.x>e.width-a.width||i.y>e.height-a.height)throw new RangeError("out of range source coordinates for image copy");if(a.width>t.width||a.height>t.height||h.x>t.width-a.width||h.y>t.height-a.height)throw new RangeError("out of range destination coordinates for image copy");for(var g=e.data,n=t.data,o=0;o<a.height;o++)for(var m=((i.y+o)*e.width+i.x)*r,c=((h.y+o)*t.width+h.x)*r,d=0;d<a.width*r;d++)n[c+d]=g[m+d];return t}var AlphaImage=function(){};AlphaImage.create=function(e,t){return createImage(e,1,t)},AlphaImage.resize=function(e,t){resizeImage(e,t,1)},AlphaImage.copy=function(e,t,i,h,a){copyImage(e,t,i,h,a,1)};var RGBAImage=function(){};RGBAImage.create=function(e,t){return createImage(e,4,t)},RGBAImage.resize=function(e,t){resizeImage(e,t,4)},RGBAImage.copy=function(e,t,i,h,a){copyImage(e,t,i,h,a,4)},module.exports={AlphaImage:AlphaImage,RGBAImage:RGBAImage}},{}],243:[function(_dereq_,module,exports){"use strict";function lineIntersectsLine(n,t){if(0===n.length||0===t.length)return!1;for(var e=0;e<n.length-1;e++)for(var r=n[e],o=n[e+1],i=0;i<t.length-1;i++)if(function(n,t,e,r){return isCounterClockwise(n,e,r)!==isCounterClockwise(t,e,r)&&isCounterClockwise(n,t,e)!==isCounterClockwise(n,t,r)}(r,o,t[i],t[i+1]))return!0;return!1}function pointIntersectsBufferedLine(n,t,e){var r=e*e;if(1===t.length)return n.distSqr(t[0])<r;for(var o=1;o<t.length;o++)if(distToSegmentSquared(n,t[o-1],t[o])<r)return!0;return!1}function distToSegmentSquared(n,t,e){var r=t.distSqr(e);if(0===r)return n.distSqr(t);var o=((n.x-t.x)*(e.x-t.x)+(n.y-t.y)*(e.y-t.y))/r;return o<0?n.distSqr(t):o>1?n.distSqr(e):n.distSqr(e.sub(t)._mult(o)._add(t))}function multiPolygonContainsPoint(n,t){for(var e,r,o,i=!1,l=0;l<n.length;l++)for(var u=0,s=(e=n[l]).length-1;u<e.length;s=u++)r=e[u],o=e[s],r.y>t.y!=o.y>t.y&&t.x<(o.x-r.x)*(t.y-r.y)/(o.y-r.y)+r.x&&(i=!i);return i}function polygonContainsPoint(n,t){for(var e=!1,r=0,o=n.length-1;r<n.length;o=r++){var i=n[r],l=n[o];i.y>t.y!=l.y>t.y&&t.x<(l.x-i.x)*(t.y-i.y)/(l.y-i.y)+i.x&&(e=!e)}return e}var isCounterClockwise=_dereq_("./util").isCounterClockwise;module.exports={multiPolygonIntersectsBufferedMultiPoint:function(n,t,e){for(var r=0;r<n.length;r++)for(var o=n[r],i=0;i<t.length;i++)for(var l=t[i],u=0;u<l.length;u++){var s=l[u];if(polygonContainsPoint(o,s))return!0;if(pointIntersectsBufferedLine(s,o,e))return!0}return!1},multiPolygonIntersectsMultiPolygon:function(n,t){if(1===n.length&&1===n[0].length)return multiPolygonContainsPoint(t,n[0][0]);for(var e=0;e<t.length;e++)for(var r=t[e],o=0;o<r.length;o++)if(multiPolygonContainsPoint(n,r[o]))return!0;for(var i=0;i<n.length;i++){for(var l=n[i],u=0;u<l.length;u++)if(multiPolygonContainsPoint(t,l[u]))return!0;for(var s=0;s<t.length;s++)if(lineIntersectsLine(l,t[s]))return!0}return!1},multiPolygonIntersectsBufferedMultiLine:function(n,t,e){for(var r=0;r<t.length;r++)for(var o=t[r],i=0;i<n.length;i++){var l=n[i];if(l.length>=3)for(var u=0;u<o.length;u++)if(polygonContainsPoint(l,o[u]))return!0;if(function(n,t,e){if(n.length>1){if(lineIntersectsLine(n,t))return!0;for(var r=0;r<t.length;r++)if(pointIntersectsBufferedLine(t[r],n,e))return!0}for(var o=0;o<n.length;o++)if(pointIntersectsBufferedLine(n[o],t,e))return!0;return!1}(l,o,e))return!0}return!1},polygonIntersectsPolygon:function(n,t){for(var e=0;e<n.length;e++)if(polygonContainsPoint(t,n[e]))return!0;for(var r=0;r<t.length;r++)if(polygonContainsPoint(n,t[r]))return!0;return!!lineIntersectsLine(n,t)},distToSegmentSquared:distToSegmentSquared}},{"./util":252}],244:[function(_dereq_,module,exports){"use strict";module.exports={"Latin-1 Supplement":function(n){return n>=128&&n<=255},Arabic:function(n){return n>=1536&&n<=1791},"Arabic Supplement":function(n){return n>=1872&&n<=1919},"Arabic Extended-A":function(n){return n>=2208&&n<=2303},"Hangul Jamo":function(n){return n>=4352&&n<=4607},"Unified Canadian Aboriginal Syllabics":function(n){return n>=5120&&n<=5759},"Unified Canadian Aboriginal Syllabics Extended":function(n){return n>=6320&&n<=6399},"General Punctuation":function(n){return n>=8192&&n<=8303},"Letterlike Symbols":function(n){return n>=8448&&n<=8527},"Number Forms":function(n){return n>=8528&&n<=8591},"Miscellaneous Technical":function(n){return n>=8960&&n<=9215},"Control Pictures":function(n){return n>=9216&&n<=9279},"Optical Character Recognition":function(n){return n>=9280&&n<=9311},"Enclosed Alphanumerics":function(n){return n>=9312&&n<=9471},"Geometric Shapes":function(n){return n>=9632&&n<=9727},"Miscellaneous Symbols":function(n){return n>=9728&&n<=9983},"Miscellaneous Symbols and Arrows":function(n){return n>=11008&&n<=11263},"CJK Radicals Supplement":function(n){return n>=11904&&n<=12031},"Kangxi Radicals":function(n){return n>=12032&&n<=12255},"Ideographic Description Characters":function(n){return n>=12272&&n<=12287},"CJK Symbols and Punctuation":function(n){return n>=12288&&n<=12351},Hiragana:function(n){return n>=12352&&n<=12447},Katakana:function(n){return n>=12448&&n<=12543},Bopomofo:function(n){return n>=12544&&n<=12591},"Hangul Compatibility Jamo":function(n){return n>=12592&&n<=12687},Kanbun:function(n){return n>=12688&&n<=12703},"Bopomofo Extended":function(n){return n>=12704&&n<=12735},"CJK Strokes":function(n){return n>=12736&&n<=12783},"Katakana Phonetic Extensions":function(n){return n>=12784&&n<=12799},"Enclosed CJK Letters and Months":function(n){return n>=12800&&n<=13055},"CJK Compatibility":function(n){return n>=13056&&n<=13311},"CJK Unified Ideographs Extension A":function(n){return n>=13312&&n<=19903},"Yijing Hexagram Symbols":function(n){return n>=19904&&n<=19967},"CJK Unified Ideographs":function(n){return n>=19968&&n<=40959},"Yi Syllables":function(n){return n>=40960&&n<=42127},"Yi Radicals":function(n){return n>=42128&&n<=42191},"Hangul Jamo Extended-A":function(n){return n>=43360&&n<=43391},"Hangul Syllables":function(n){return n>=44032&&n<=55215},"Hangul Jamo Extended-B":function(n){return n>=55216&&n<=55295},"Private Use Area":function(n){return n>=57344&&n<=63743},"CJK Compatibility Ideographs":function(n){return n>=63744&&n<=64255},"Arabic Presentation Forms-A":function(n){return n>=64336&&n<=65023},"Vertical Forms":function(n){return n>=65040&&n<=65055},"CJK Compatibility Forms":function(n){return n>=65072&&n<=65103},"Small Form Variants":function(n){return n>=65104&&n<=65135},"Arabic Presentation Forms-B":function(n){return n>=65136&&n<=65279},"Halfwidth and Fullwidth Forms":function(n){return n>=65280&&n<=65519}}},{}],245:[function(_dereq_,module,exports){"use strict";var LRUCache=function(t,e){this.max=t,this.onRemove=e,this.reset()};LRUCache.prototype.reset=function(){var t=this;for(var e in t.data)t.onRemove(t.data[e]);return this.data={},this.order=[],this},LRUCache.prototype.add=function(t,e){if(this.has(t))this.order.splice(this.order.indexOf(t),1),this.data[t]=e,this.order.push(t);else if(this.data[t]=e,this.order.push(t),this.order.length>this.max){var r=this.get(this.order[0]);r&&this.onRemove(r)}return this},LRUCache.prototype.has=function(t){return t in this.data},LRUCache.prototype.keys=function(){return this.order},LRUCache.prototype.get=function(t){if(!this.has(t))return null;var e=this.data[t];return delete this.data[t],this.order.splice(this.order.indexOf(t),1),e},LRUCache.prototype.getWithoutRemoving=function(t){return this.has(t)?this.data[t]:null},LRUCache.prototype.remove=function(t){if(!this.has(t))return this;var e=this.data[t];return delete this.data[t],this.onRemove(e),this.order.splice(this.order.indexOf(t),1),this},LRUCache.prototype.setMaxSize=function(t){var e=this;for(this.max=t;this.order.length>this.max;){var r=e.get(e.order[0]);r&&e.onRemove(r)}return this},module.exports=LRUCache},{}],246:[function(_dereq_,module,exports){"use strict";function makeAPIURL(r,e){var t=parseUrl(config.API_URL);if(r.protocol=t.protocol,r.authority=t.authority,"/"!==t.path&&(r.path=""+t.path+r.path),!config.REQUIRE_ACCESS_TOKEN)return formatUrl(r);if(!(e=e||config.ACCESS_TOKEN))throw new Error("An API access token is required to use Mapbox GL. "+help);if("s"===e[0])throw new Error("Use a public access token (pk.*) with Mapbox GL, not a secret access token (sk.*). "+help);return r.params.push("access_token="+e),formatUrl(r)}function isMapboxURL(r){return 0===r.indexOf("mapbox:")}function parseUrl(r){var e=r.match(urlRe);if(!e)throw new Error("Unable to parse URL object");return{protocol:e[1],authority:e[2],path:e[3]||"/",params:e[4]?e[4].split("&"):[]}}function formatUrl(r){var e=r.params.length?"?"+r.params.join("&"):"";return r.protocol+"://"+r.authority+r.path+e}var config=_dereq_("./config"),browser=_dereq_("./browser"),help="See https://www.mapbox.com/api-documentation/#access-tokens";exports.isMapboxURL=isMapboxURL,exports.normalizeStyleURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/styles/v1"+t.path,makeAPIURL(t,e)},exports.normalizeGlyphsURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/fonts/v1"+t.path,makeAPIURL(t,e)},exports.normalizeSourceURL=function(r,e){if(!isMapboxURL(r))return r;var t=parseUrl(r);return t.path="/v4/"+t.authority+".json",t.params.push("secure"),makeAPIURL(t,e)},exports.normalizeSpriteURL=function(r,e,t,a){var o=parseUrl(r);return isMapboxURL(r)?(o.path="/styles/v1"+o.path+"/sprite"+e+t,makeAPIURL(o,a)):(o.path+=""+e+t,formatUrl(o))};var imageExtensionRe=/(\.(png|jpg)\d*)(?=$)/;exports.normalizeTileURL=function(r,e,t){if(!e||!isMapboxURL(e))return r;var a=parseUrl(r),o=browser.devicePixelRatio>=2||512===t?"@2x":"",p=browser.supportsWebp?".webp":"$1";return a.path=a.path.replace(imageExtensionRe,""+o+p),function(r){for(var e=0;e<r.length;e++)0===r[e].indexOf("access_token=tk.")&&(r[e]="access_token="+(config.ACCESS_TOKEN||""))}(a.params),formatUrl(a)};var urlRe=/^(\w+):\/\/([^\/?]*)(\/[^?]+)?\??(.+)?/},{"./browser":231,"./config":235}],247:[function(_dereq_,module,exports){"use strict";var isChar=_dereq_("./is_char_in_unicode_block");module.exports.allowsIdeographicBreaking=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(!exports.charAllowsIdeographicBreaking(s.charCodeAt(0)))return!1}return!0},module.exports.allowsVerticalWritingMode=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(exports.charHasUprightVerticalOrientation(s.charCodeAt(0)))return!0}return!1},module.exports.allowsLetterSpacing=function(a){for(var i=0,r=a;i<r.length;i+=1){var s=r[i];if(!exports.charAllowsLetterSpacing(s.charCodeAt(0)))return!1}return!0},module.exports.charAllowsLetterSpacing=function(a){return!(isChar.Arabic(a)||isChar["Arabic Supplement"](a)||isChar["Arabic Extended-A"](a)||isChar["Arabic Presentation Forms-A"](a)||isChar["Arabic Presentation Forms-B"](a))},module.exports.charAllowsIdeographicBreaking=function(a){return!(a<11904||!(isChar["Bopomofo Extended"](a)||isChar.Bopomofo(a)||isChar["CJK Compatibility Forms"](a)||isChar["CJK Compatibility Ideographs"](a)||isChar["CJK Compatibility"](a)||isChar["CJK Radicals Supplement"](a)||isChar["CJK Strokes"](a)||isChar["CJK Symbols and Punctuation"](a)||isChar["CJK Unified Ideographs Extension A"](a)||isChar["CJK Unified Ideographs"](a)||isChar["Enclosed CJK Letters and Months"](a)||isChar["Halfwidth and Fullwidth Forms"](a)||isChar.Hiragana(a)||isChar["Ideographic Description Characters"](a)||isChar["Kangxi Radicals"](a)||isChar["Katakana Phonetic Extensions"](a)||isChar.Katakana(a)||isChar["Vertical Forms"](a)||isChar["Yi Radicals"](a)||isChar["Yi Syllables"](a)))},exports.charHasUprightVerticalOrientation=function(a){return!(746!==a&&747!==a&&(a<4352||!(isChar["Bopomofo Extended"](a)||isChar.Bopomofo(a)||isChar["CJK Compatibility Forms"](a)&&!(a>=65097&&a<=65103)||isChar["CJK Compatibility Ideographs"](a)||isChar["CJK Compatibility"](a)||isChar["CJK Radicals Supplement"](a)||isChar["CJK Strokes"](a)||!(!isChar["CJK Symbols and Punctuation"](a)||a>=12296&&a<=12305||a>=12308&&a<=12319||12336===a)||isChar["CJK Unified Ideographs Extension A"](a)||isChar["CJK Unified Ideographs"](a)||isChar["Enclosed CJK Letters and Months"](a)||isChar["Hangul Compatibility Jamo"](a)||isChar["Hangul Jamo Extended-A"](a)||isChar["Hangul Jamo Extended-B"](a)||isChar["Hangul Jamo"](a)||isChar["Hangul Syllables"](a)||isChar.Hiragana(a)||isChar["Ideographic Description Characters"](a)||isChar.Kanbun(a)||isChar["Kangxi Radicals"](a)||isChar["Katakana Phonetic Extensions"](a)||isChar.Katakana(a)&&12540!==a||!(!isChar["Halfwidth and Fullwidth Forms"](a)||65288===a||65289===a||65293===a||a>=65306&&a<=65310||65339===a||65341===a||65343===a||a>=65371&&a<=65503||65507===a||a>=65512&&a<=65519)||!(!isChar["Small Form Variants"](a)||a>=65112&&a<=65118||a>=65123&&a<=65126)||isChar["Unified Canadian Aboriginal Syllabics"](a)||isChar["Unified Canadian Aboriginal Syllabics Extended"](a)||isChar["Vertical Forms"](a)||isChar["Yijing Hexagram Symbols"](a)||isChar["Yi Syllables"](a)||isChar["Yi Radicals"](a))))},exports.charHasNeutralVerticalOrientation=function(a){return!!(isChar["Latin-1 Supplement"](a)&&(167===a||169===a||174===a||177===a||188===a||189===a||190===a||215===a||247===a)||isChar["General Punctuation"](a)&&(8214===a||8224===a||8225===a||8240===a||8241===a||8251===a||8252===a||8258===a||8263===a||8264===a||8265===a||8273===a)||isChar["Letterlike Symbols"](a)||isChar["Number Forms"](a)||isChar["Miscellaneous Technical"](a)&&(a>=8960&&a<=8967||a>=8972&&a<=8991||a>=8996&&a<=9e3||9003===a||a>=9085&&a<=9114||a>=9150&&a<=9165||9167===a||a>=9169&&a<=9179||a>=9186&&a<=9215)||isChar["Control Pictures"](a)&&9251!==a||isChar["Optical Character Recognition"](a)||isChar["Enclosed Alphanumerics"](a)||isChar["Geometric Shapes"](a)||isChar["Miscellaneous Symbols"](a)&&!(a>=9754&&a<=9759)||isChar["Miscellaneous Symbols and Arrows"](a)&&(a>=11026&&a<=11055||a>=11088&&a<=11097||a>=11192&&a<=11243)||isChar["CJK Symbols and Punctuation"](a)||isChar.Katakana(a)||isChar["Private Use Area"](a)||isChar["CJK Compatibility Forms"](a)||isChar["Small Form Variants"](a)||isChar["Halfwidth and Fullwidth Forms"](a)||8734===a||8756===a||8757===a||a>=9984&&a<=10087||a>=10102&&a<=10131||65532===a||65533===a)},exports.charHasRotatedVerticalOrientation=function(a){return!(exports.charHasUprightVerticalOrientation(a)||exports.charHasNeutralVerticalOrientation(a))}},{"./is_char_in_unicode_block":244}],248:[function(_dereq_,module,exports){"use strict";var LngLat=_dereq_("../geo/lng_lat");module.exports=function(n,t,l){if(n=new LngLat(n.lng,n.lat),t){var a=new LngLat(n.lng-360,n.lat),i=new LngLat(n.lng+360,n.lat),o=l.locationPoint(n).distSqr(t);l.locationPoint(a).distSqr(t)<o?n=a:l.locationPoint(i).distSqr(t)<o&&(n=i)}for(;Math.abs(n.lng-l.center.lng)>180;){var e=l.locationPoint(n);if(e.x>=0&&e.y>=0&&e.x<=l.width&&e.y<=l.height)break;n.lng>l.center.lng?n.lng-=360:n.lng+=360}return n}},{"../geo/lng_lat":68}],249:[function(_dereq_,module,exports){"use strict";function align(t,r){return Math.ceil(t/r)*r}function sizeOf(t){return viewTypes[t].BYTES_PER_ELEMENT}function getArrayViewName(t){return t.toLowerCase()}module.exports=function(t){var r=JSON.stringify(t);if(structArrayTypeCache[r])return structArrayTypeCache[r];var e=void 0===t.alignment?1:t.alignment,i=0,n=0,a=["Uint8"],s=t.members.map(function(t){a.indexOf(t.type)<0&&a.push(t.type);var r=sizeOf(t.type),s=i=align(i,Math.max(e,r)),o=t.components||1;return n=Math.max(n,r),i+=r*o,{name:t.name,type:t.type,components:o,offset:s}}),o=align(i,Math.max(n,e)),p=function(t){function r(){t.apply(this,arguments)}return t&&(r.__proto__=t),r.prototype=Object.create(t&&t.prototype),r.prototype.constructor=r,r}(Struct);p.prototype.alignment=e,p.prototype.size=o;for(var y=0,c=s;y<c.length;y+=1)for(var h=c[y],u=0;u<h.components;u++){var f=h.name;if(h.components>1&&(f+=u),f in p.prototype)throw new Error(f+" is a reserved name and cannot be used as a member name.");Object.defineProperty(p.prototype,f,function(t,r){var e=function(t,r){var n="this._pos"+sizeOf(t.type).toFixed(0)+" + "+(t.offset/sizeOf(t.type)+r).toFixed(0);return"this._structArray."+getArrayViewName(t.type)+"["+n+"]"}(h,u);return{get:new Function("return "+e+";"),set:new Function("x",e+" = x;")}}())}var m=function(t){function r(){t.apply(this,arguments)}return t&&(r.__proto__=t),r.prototype=Object.create(t&&t.prototype),r.prototype.constructor=r,r}(StructArray);return m.prototype.members=s,m.prototype.StructType=p,m.prototype.bytesPerElement=o,m.prototype.emplaceBack=function(t,r){for(var e=[],i=[],n="var i = this.length;\nthis.resize(this.length + 1);\n",a=0,s=t;a<s.length;a+=1){var o=s[a],p=sizeOf(o.type);e.indexOf(p)<0&&(e.push(p),n+="var o"+p.toFixed(0)+" = i * "+(r/p).toFixed(0)+";\n");for(var y=0;y<o.components;y++){var c="v"+i.length,h="o"+p.toFixed(0)+" + "+(o.offset/p+y).toFixed(0);n+="this."+getArrayViewName(o.type)+"["+h+"] = "+c+";\n",i.push(c)}}return n+="return i;",new Function(i.toString(),n)}(s,o),m.prototype._usedTypes=a,structArrayTypeCache[r]=m,m};var viewTypes={Int8:Int8Array,Uint8:Uint8Array,Int16:Int16Array,Uint16:Uint16Array,Int32:Int32Array,Uint32:Uint32Array,Float32:Float32Array},Struct=function(t,r){this._structArray=t,this._pos1=r*this.size,this._pos2=this._pos1/2,this._pos4=this._pos1/4,this._pos8=this._pos1/8},StructArray=function(t){this.isTransferred=!1,void 0!==t?(this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.capacity=this.arrayBuffer.byteLength/this.bytesPerElement,this._refreshViews()):(this.capacity=-1,this.resize(0))};StructArray.serialize=function(){return{members:this.prototype.members,alignment:this.prototype.StructType.prototype.alignment}},StructArray.prototype.serialize=function(t){return this._trim(),t&&(this.isTransferred=!0,t.push(this.arrayBuffer)),{length:this.length,arrayBuffer:this.arrayBuffer}},StructArray.prototype.get=function(t){return new this.StructType(this,t)},StructArray.prototype._trim=function(){this.length!==this.capacity&&(this.capacity=this.length,this.arrayBuffer=this.arrayBuffer.slice(0,this.length*this.bytesPerElement),this._refreshViews())},StructArray.prototype.clear=function(){this.length=0},StructArray.prototype.resize=function(t){if(this.length=t,t>this.capacity){this.capacity=Math.max(t,Math.floor(5*this.capacity),128),this.arrayBuffer=new ArrayBuffer(this.capacity*this.bytesPerElement);var r=this.uint8;this._refreshViews(),r&&this.uint8.set(r)}},StructArray.prototype._refreshViews=function(){for(var t=this,r=0,e=t._usedTypes;r<e.length;r+=1){var i=e[r];t[getArrayViewName(i)]=new viewTypes[i](t.arrayBuffer)}},StructArray.prototype.toArray=function(t,r){for(var i=[],n=t;n<r;n++){var a=this.get(n);i.push(a)}return i};var structArrayTypeCache={}},{}],250:[function(_dereq_,module,exports){"use strict";var browser=_dereq_("./browser"),Throttler=function(t,o){this.frequency=t,this.throttledFunction=o,this.lastInvocation=0};Throttler.prototype.invoke=function(){var t=this;if(!this.pendingInvocation){var o=0===this.lastInvocation?0:this.lastInvocation+this.frequency-browser.now();o<=0?(this.lastInvocation=browser.now(),this.throttledFunction()):this.pendingInvocation=setTimeout(function(){t.pendingInvocation=void 0,t.lastInvocation=browser.now(),t.throttledFunction()},o)}},Throttler.prototype.stop=function(){this.pendingInvocation&&(clearTimeout(this.pendingInvocation),this.pendingInvocation=void 0)},module.exports=Throttler},{"./browser":231}],251:[function(_dereq_,module,exports){"use strict";module.exports=function(e,n){return n.replace(/{([^{}]+)}/g,function(n,r){return r in e?String(e[r]):""})}},{}],252:[function(_dereq_,module,exports){"use strict";var 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obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=function(div,position){fetch("/micropub/places?latitude="+position.coords.latitude+"&longitude="+position.coords.longitude+"&u="+position.coords.accuracy,{credentials:"same-origin",method:"get"}).then(function(response){if(response.ok)return response.json();_alertify2.default.reset(),_alertify2.default.error("Non OK response")}).then(function(json){1==json.error&&(_alertify2.default.reset(),_alertify2.default.error(json.error_description));var places=null;json.places.length>0&&(places=json.places);var map=(0,_mapboxUtils2.default)(div,position,places),flexboxDiv=document.createElement("div"),options=makeOptionsForForm(map,position,places);flexboxDiv.appendChild(options);var newPlaceForm=(0,_newplaceMicropub2.default)(map);flexboxDiv.appendChild(newPlaceForm),document.querySelector("fieldset").insertBefore(flexboxDiv,document.querySelector(".map"))}).catch(function(error){console.error(error)})};var _alertify2=_interopRequireDefault(__webpack_require__(4)),_mapboxUtils2=_interopRequireDefault(__webpack_require__(1)),_parseLocation2=_interopRequireDefault(__webpack_require__(0)),_newplaceMicropub2=_interopRequireDefault(__webpack_require__(12)),makeOptionsForForm=function(map,position){var places=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,selectElement=document.createElement("select");selectElement.setAttribute("name","location");var noLocationOption=document.createElement("option");noLocationOption.setAttribute("selected","selected"),noLocationOption.setAttribute("value","no-location"),noLocationOption.appendChild(document.createTextNode("Don’t send location")),selectElement.appendChild(noLocationOption);var geoLocationOption=document.createElement("option");if(geoLocationOption.setAttribute("id","option-coords"),geoLocationOption.setAttribute("value","geo:"+position.coords.latitude+","+position.coords.longitude),geoLocationOption.dataset.latitude=position.coords.latitude,geoLocationOption.dataset.longitude=position.coords.longitude,geoLocationOption.appendChild(document.createTextNode("Send co-ordinates")),selectElement.appendChild(geoLocationOption),null!=places){var _iteratorNormalCompletion=!0,_didIteratorError=!1,_iteratorError=void 0;try{for(var _step,_iterator=places[Symbol.iterator]();!(_iteratorNormalCompletion=(_step=_iterator.next()).done);_iteratorNormalCompletion=!0){var place=_step.value,parsedCoords=(0,_parseLocation2.default)(place.location),option=document.createElement("option");option.setAttribute("value",place.uri),option.dataset.latitude=parsedCoords.latitude,option.dataset.longitude=parsedCoords.longitude,option.appendChild(document.createTextNode(place.name)),selectElement.appendChild(option)}}catch(err){_didIteratorError=!0,_iteratorError=err}finally{try{!_iteratorNormalCompletion&&_iterator.return&&_iterator.return()}finally{if(_didIteratorError)throw _iteratorError}}}return selectElement.addEventListener("change",function(){if("no-location"!==selectElement.value){var optionLatitude=selectElement[selectElement.selectedIndex].dataset.latitude,optionLongitude=selectElement[selectElement.selectedIndex].dataset.longitude;map.flyTo({center:[optionLongitude,optionLatitude]})}}),selectElement}},function(module,exports){module.exports=function(module){return module.webpackPolyfill||(module.deprecate=function(){},module.paths=[],module.children||(module.children=[]),Object.defineProperty(module,"loaded",{enumerable:!0,get:function(){return module.l}}),Object.defineProperty(module,"id",{enumerable:!0,get:function(){return module.i}}),module.webpackPolyfill=1),module}},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=function(map){var newLocationButton=document.createElement("button");return newLocationButton.setAttribute("type","button"),newLocationButton.setAttribute("id","create-new-place"),newLocationButton.appendChild(document.createTextNode("Create New Place?")),newLocationButton.addEventListener("click",function(){var latitude=map.getCenter().lat,longitude=map.getCenter().lng;map.addSource("new-place",{type:"geojson",data:{type:"FeatureCollection",features:[{type:"Feature",geometry:{type:"Point",coordinates:[longitude,latitude]},properties:{title:"",icon:"circle"}}]}}),map.addLayer({id:"new-place",type:"symbol",source:"new-place",layout:{"icon-image":"{icon}-15","text-field":"{title}","text-offset":[0,1]}});var newPlaceNameDiv=document.createElement("div"),newPlaceNameLabel=document.createElement("label");newPlaceNameLabel.setAttribute("for","place-name"),newPlaceNameLabel.classList.add("place-label"),newPlaceNameLabel.appendChild(document.createTextNode("Name:"));var newPlaceNameInput=document.createElement("input");newPlaceNameInput.setAttribute("placeholder","Name"),newPlaceNameInput.setAttribute("name","place-name"),newPlaceNameInput.setAttribute("id","place-name"),newPlaceNameInput.setAttribute("type","text"),newPlaceNameInput.addEventListener("keyup",function(){var source=map.getSource("new-place");source._data.features[0].properties.title=newPlaceNameInput.value,map.getSource("new-place").setData(source._data)}),newPlaceNameDiv.appendChild(newPlaceNameLabel),newPlaceNameDiv.appendChild(newPlaceNameInput);var newPlaceDescDiv=document.createElement("div"),newPlaceDescLabel=document.createElement("label");newPlaceDescLabel.setAttribute("for","place-description"),newPlaceDescLabel.classList.add("place-label"),newPlaceDescLabel.appendChild(document.createTextNode("Description:"));var newPlaceDescInput=document.createElement("input");newPlaceDescInput.setAttribute("placeholder","Description"),newPlaceDescInput.setAttribute("name","place-description"),newPlaceDescInput.setAttribute("id","place-description"),newPlaceDescInput.setAttribute("type","text"),newPlaceDescDiv.appendChild(newPlaceDescLabel),newPlaceDescDiv.appendChild(newPlaceDescInput);var newPlaceLatitudeDiv=document.createElement("div"),newPlaceLatitudeLabel=document.createElement("label");newPlaceLatitudeLabel.setAttribute("for","place-latitude"),newPlaceLatitudeLabel.classList.add("place-label"),newPlaceLatitudeLabel.appendChild(document.createTextNode("Latitude:"));var newPlaceLatitudeInput=document.createElement("input");newPlaceLatitudeInput.setAttribute("name","place-latitude"),newPlaceLatitudeInput.setAttribute("id","place-latitude"),newPlaceLatitudeInput.setAttribute("type","text"),newPlaceLatitudeInput.value=map.getCenter().lat,newPlaceLatitudeDiv.appendChild(newPlaceLatitudeLabel),newPlaceLatitudeDiv.appendChild(newPlaceLatitudeInput);var newPlaceLongitudeDiv=document.createElement("div"),newPlaceLongitudeLabel=document.createElement("label");newPlaceLongitudeLabel.setAttribute("for","place-longitude"),newPlaceLongitudeLabel.classList.add("place-label"),newPlaceLongitudeLabel.appendChild(document.createTextNode("Longitude:"));var newPlaceLongitudeInput=document.createElement("input");newPlaceLongitudeInput.setAttribute("name","place-longitude"),newPlaceLongitudeInput.setAttribute("id","place-longitude"),newPlaceLongitudeInput.setAttribute("type","text"),newPlaceLongitudeInput.value=map.getCenter().lng,newPlaceLongitudeDiv.appendChild(newPlaceLongitudeLabel),newPlaceLongitudeDiv.appendChild(newPlaceLongitudeInput);var newPlaceSubmit=document.createElement("button");newPlaceSubmit.setAttribute("id","place-submit"),newPlaceSubmit.setAttribute("name","place-submit"),newPlaceSubmit.setAttribute("type","button"),newPlaceSubmit.appendChild(document.createTextNode("Submit New Place")),newPlaceSubmit.addEventListener("click",function(){(0,_submitPlace2.default)(map)});var form=document.querySelector("fieldset");form.appendChild(newPlaceNameDiv),form.appendChild(newPlaceDescDiv),form.appendChild(newPlaceLatitudeDiv),form.appendChild(newPlaceLongitudeDiv),form.appendChild(newPlaceSubmit)}),newLocationButton};var _submitPlace2=function(obj){return obj&&obj.__esModule?obj:{default:obj}}(__webpack_require__(13))},function(module,exports,__webpack_require__){"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=function(map){var formData=new FormData;formData.append("place-name",document.querySelector("#place-name").value),formData.append("place-description",document.querySelector("#place-description").value),formData.append("place-latitude",document.querySelector("#place-latitude").value),formData.append("place-longitude",document.querySelector("#place-longitude").value),fetch("/micropub/places",{credentials:"same-origin",method:"post",body:formData}).then(function(response){return response.json()}).then(function(placeJson){if(!0===placeJson.error)throw new Error(placeJson.error_description);var form=document.querySelector("fieldset"),labels=document.querySelectorAll(".place-label"),_iteratorNormalCompletion=!0,_didIteratorError=!1,_iteratorError=void 0;try{for(var 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selectElement=document.querySelector("select"),newlyCreatedPlaceOption=document.createElement("option");newlyCreatedPlaceOption.setAttribute("value",placeJson.uri),newlyCreatedPlaceOption.appendChild(document.createTextNode(placeJson.name)),newlyCreatedPlaceOption.dataset.latitude=placeJson.latitude,newlyCreatedPlaceOption.dataset.longitude=placeJson.longitude,selectElement.appendChild(newlyCreatedPlaceOption),document.querySelector('select [value="'+placeJson.uri+'"]').selected=!0}).catch(function(placeError){_alertify2.default.reset(),_alertify2.default.error(placeError)})};var _alertify2=function(obj){return obj&&obj.__esModule?obj:{default:obj}}(__webpack_require__(4))},function(module,exports,__webpack_require__){"use strict";function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=function(){var 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this.dispatchEvent({type:events.get_err,data:error}),error}}},{key:"setItem",value:function(key,value){try{return value=null==value?null:value,key=this.storeKeyPrefix+key,this.options.driver.setItem(key,JSON.stringify(value)),this.dispatchEvent({type:events.set,data:value}),value}catch(error){throw this.dispatchEvent({type:events.set_err,data:error}),error}}},{key:"removeItem",value:function(key){this.dispatchEvent({type:events.remove,data:key}),this.options.driver.removeItem(this.storeKeyPrefix+key)}},{key:"clear",value:function(clearAll){var driver=this.options.driver;!0===clearAll?driver.clear():(0,_iterateStorage2.default)(this,function(key){driver.removeItem(key)}),this.dispatchEvent({type:events.clear})}},{key:"keys",value:function(){var keysArr=[],storeKeyPrefix=this.storeKeyPrefix;return(0,_iterateStorage2.default)(this,function(key){keysArr.push((0,_removePrefix2.default)(key,storeKeyPrefix))}),keysArr}},{key:"length",value:function(){var counter=0;return(0,_iterateStorage2.default)(this,function(){counter+=1}),counter}},{key:"iterate",value:function(callback){var storeKeyPrefix=this.storeKeyPrefix;(0,_iterateStorage2.default)(this,function(key,value,iterationNumber){var _key=(0,_removePrefix2.default)(key,storeKeyPrefix),_value=JSON.parse(value);if(callback&&!1===callback(_key,_value,iterationNumber))return!1})}},{key:"quota",value:function(){var items={},totalSize=0;return(0,_iterateStorage2.default)(this,function(key,value){var itemSize=2*value.length/1024/1024;totalSize+=itemSize,items[key]=itemSize}),{total:totalSize,items:items}}},{key:"supported",value:function(){return(0,_isStorageSupported2.default)(this.options.driver)}}]),WebStorage}();exports.default=new WebStorage,module.exports=exports.default},function(module,exports,__webpack_require__){var __WEBPACK_AMD_DEFINE_FACTORY__,__WEBPACK_AMD_DEFINE_RESULT__;!function(name,context,definition){"use strict";void 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