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var H=Y[W];A([H],new p(H.x,H.y,0))}},R.prototype.anchorIsTooClose=function(t,e,r){var n=this.compareText;if(t in n){for(var i=n[t],o=i.length-1;o>=0;o--)if(r.dist(i[o])<e)return!0}else n[t]=[];return n[t].push(r),!1},R.prototype.place=function(t,e){var r=this;this.createArrays();var n=this.layers[0].layout,i=t.maxScale,o="map"===n["text-rotation-alignment"]&&"line"===n["symbol-placement"],a="map"===n["icon-rotation-alignment"]&&"line"===n["symbol-placement"],s=n["text-allow-overlap"]||n["icon-allow-overlap"]||n["text-ignore-placement"]||n["icon-ignore-placement"];if(s){var u=this.symbolInstancesArray.toArray(this.symbolInstancesStartIndex,this.symbolInstancesEndIndex),l=t.angle,c=Math.sin(l),p=Math.cos(l);this.sortedSymbolInstances=u.sort(function(t,e){var r=c*t.anchorPointX+p*t.anchorPointY|0,n=c*e.anchorPointX+p*e.anchorPointY|0;return r-n||e.index-t.index})}for(var h=this.symbolInstancesStartIndex;h<this.symbolInstancesEndIndex;h++){var f=r.sortedSymbolInstances?r.sortedSymbolInstances[h-r.symbolInstancesStartIndex]:r.symbolInstancesArray.get(h),d={boxStartIndex:f.textBoxStartIndex,boxEndIndex:f.textBoxEndIndex},m={boxStartIndex:f.iconBoxStartIndex,boxEndIndex:f.iconBoxEndIndex},y=!(f.textBoxStartIndex===f.textBoxEndIndex),v=!(f.iconBoxStartIndex===f.iconBoxEndIndex),g=n["text-optional"]||!y,_=n["icon-optional"]||!v,x=y?t.placeCollisionFeature(d,n["text-allow-overlap"],n["symbol-avoid-edges"]):t.minScale,b=v?t.placeCollisionFeature(m,n["icon-allow-overlap"],n["symbol-avoid-edges"]):t.minScale;g||_?!_&&x?x=Math.max(b,x):!g&&b&&(b=Math.max(b,x)):b=x=Math.max(b,x),y&&(t.insertCollisionFeature(d,x,n["text-ignore-placement"]),x<=i&&r.addSymbols(r.arrays.glyph,f.glyphQuadStartIndex,f.glyphQuadEndIndex,x,n["text-keep-upright"],o,t.angle,f.writingModes)),v&&(t.insertCollisionFeature(m,b,n["icon-ignore-placement"]),b<=i&&r.addSymbols(r.arrays.icon,f.iconQuadStartIndex,f.iconQuadEndIndex,b,n["icon-keep-upright"],a,t.angle))}e&&this.addToDebugBuffers(t)},R.prototype.addSymbols=function(t,e,r,i,o,a,s,u){for(var l=this,c=t.elementArray,p=t.layoutVertexArray,h=this.zoom,f=Math.max(Math.log(i)/Math.LN2+h,0),d=e;d<r;d++){var m=l.symbolQuadsArray.get(d).SymbolQuad,y=(m.anchorAngle+s+Math.PI)%(2*Math.PI);if(u&M.vertical){if(a&&m.writingMode===M.vertical){if(o&&a&&y<=5*Math.PI/4||y>7*Math.PI/4)continue}else if(o&&a&&y<=3*Math.PI/4||y>5*Math.PI/4)continue}else if(o&&a&&(y<=Math.PI/2||y>3*Math.PI/2))continue;var v=m.tl,g=m.tr,_=m.bl,x=m.br,b=m.tex,w=m.anchorPoint,E=Math.max(h+Math.log(m.minScale)/Math.LN2,f),T=Math.min(h+Math.log(m.maxScale)/Math.LN2,25);if(!(T<=E)){E===f&&(E=0);var S=Math.round(m.glyphAngle/(2*Math.PI)*256),z=t.prepareSegment(4),A=z.vertexLength;n(p,w.x,w.y,v.x,v.y,b.x,b.y,E,T,f,S),n(p,w.x,w.y,g.x,g.y,b.x+b.w,b.y,E,T,f,S),n(p,w.x,w.y,_.x,_.y,b.x,b.y+b.h,E,T,f,S),n(p,w.x,w.y,x.x,x.y,b.x+b.w,b.y+b.h,E,T,f,S),c.emplaceBack(A,A+1,A+2),c.emplaceBack(A+1,A+2,A+3),z.vertexLength+=4,z.primitiveLength+=2}}},R.prototype.addToDebugBuffers=function(t){for(var e=this,r=this.arrays.collisionBox,n=r.layoutVertexArray,a=r.elementArray,s=-t.angle,u=t.yStretch,l=this.symbolInstancesStartIndex;l<this.symbolInstancesEndIndex;l++){var c=e.symbolInstancesArray.get(l);c.textCollisionFeature={boxStartIndex:c.textBoxStartIndex,boxEndIndex:c.textBoxEndIndex},c.iconCollisionFeature={boxStartIndex:c.iconBoxStartIndex,boxEndIndex:c.iconBoxEndIndex};for(var p=0;p<2;p++){var h=c[0===p?"textCollisionFeature":"iconCollisionFeature"];if(h)for(var f=h.boxStartIndex;f<h.boxEndIndex;f++){var d=e.collisionBoxArray.get(f),m=d.anchorPoint,y=new o(d.x1,d.y1*u)._rotate(s),v=new o(d.x2,d.y1*u)._rotate(s),g=new o(d.x1,d.y2*u)._rotate(s),_=new o(d.x2,d.y2*u)._rotate(s),x=Math.max(0,Math.min(25,e.zoom+Math.log(d.maxScale)/Math.LN2)),b=Math.max(0,Math.min(25,e.zoom+Math.log(d.placementScale)/Math.LN2)),w=r.prepareSegment(4),E=w.vertexLength;i(n,m,y,x,b),i(n,m,v,x,b),i(n,m,_,x,b),i(n,m,g,x,b),a.emplaceBack(E,E+1),a.emplaceBack(E+1,E+2),a.emplaceBack(E+2,E+3),a.emplaceBack(E+3,E),w.vertexLength+=4,w.primitiveLength+=4}}}},R.prototype.addSymbolInstance=function(t,e,r,n,i,o,a,s,u,l,c,p,h,f,d,m,y,v,g){var x,b,E,T=this,S=[];for(var z in r){var A=parseInt(z,10);r[A]&&(S=S.concat(o?P(t,r[A],p,e,i,f,A):[]),x=new w(s,e,t,u,l,c,r[A],p,h,f,!1))}var L=this.symbolQuadsArray.length;if(S&&S.length)for(var k=0;k<S.length;k++)T.addSymbolQuad(S[k]);var C=this.symbolQuadsArray.length,D=x?x.boxStartIndex:this.collisionBoxArray.length,O=x?x.boxEndIndex:this.collisionBoxArray.length;n&&(E=o?I(t,n,d,e,i,y,r[M.horizontal],v,g):[],b=new w(s,e,t,u,l,c,n,d,m,y,!0));var B=this.symbolQuadsArray.length;E&&1===E.length&&this.addSymbolQuad(E[0]);var j=this.symbolQuadsArray.length,F=b?b.boxStartIndex:this.collisionBoxArray.length,U=b?b.boxEndIndex:this.collisionBoxArray.length;j>R.MAX_QUADS&&_.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),C>R.MAX_QUADS&&_.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907");var V=(r[M.vertical]?M.vertical:0)|(r[M.horizontal]?M.horizontal:0);return this.symbolInstancesArray.emplaceBack(D,O,F,U,L,C,B,j,t.x,t.y,a,V)},R.prototype.addSymbolQuad=function(t){return this.symbolQuadsArray.emplaceBack(t.anchorPoint.x,t.anchorPoint.y,t.tl.x,t.tl.y,t.tr.x,t.tr.y,t.bl.x,t.bl.y,t.br.x,t.br.y,t.tex.h,t.tex.w,t.tex.x,t.tex.y,t.anchorAngle,t.glyphAngle,t.maxScale,t.minScale,t.writingMode)},R.MAX_QUADS=65535,e.exports=R},{"../../symbol/anchor":73,"../../symbol/clip_line":75,"../../symbol/collision_feature":77,"../../symbol/get_anchors":79,"../../symbol/mergelines":82,"../../symbol/quads":83,"../../symbol/resolve_text":84,"../../symbol/shaping":85,"../../util/classify_rings":111,"../../util/find_pole_of_inaccessibility":117,"../../util/script_detection":124,"../../util/token":126,"../../util/util":127,"../array_group":1,"../buffer_group":9,"../element_array_type":10,"../extent":11,"../load_geometry":13,"../vertex_array_type":17,"point-geometry":194,"vector-tile":204}],8:[function(t,e,r){"use strict";var n={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"},i=function(t,e,r){this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.attributes=e.members,this.itemSize=e.bytesPerElement,this.type=r,this.arrayType=e};i.fromStructArray=function(t,e){return new i(t.serialize(),t.constructor.serialize(),e)},i.prototype.bind=function(t){var e=t[this.type];this.buffer?t.bindBuffer(e,this.buffer):(this.gl=t,this.buffer=t.createBuffer(),t.bindBuffer(e,this.buffer),t.bufferData(e,this.arrayBuffer,t.STATIC_DRAW),this.arrayBuffer=null)},i.prototype.setVertexAttribPointers=function(t,e,r){for(var i=this,o=0;o<this.attributes.length;o++){var a=i.attributes[o],s=e[a.name];void 0!==s&&t.vertexAttribPointer(s,a.components,t[n[a.type]],!1,i.arrayType.bytesPerElement,a.offset+(i.arrayType.bytesPerElement*r||0))}},i.prototype.destroy=function(){this.buffer&&this.gl.deleteBuffer(this.buffer)},i.BufferType={VERTEX:"ARRAY_BUFFER",ELEMENT:"ELEMENT_ARRAY_BUFFER"},e.exports=i},{}],9:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("./buffer"),o=t("./program_configuration"),a=t("../render/vertex_array_object"),s=function(t,e,r,s){var u=this;this.layoutVertexBuffer=new i(s.layoutVertexArray,t.layoutVertexArrayType.serialize(),i.BufferType.VERTEX),s.elementArray&&(this.elementBuffer=new i(s.elementArray,t.elementArrayType.serialize(),i.BufferType.ELEMENT)),s.elementArray2&&(this.elementBuffer2=new i(s.elementArray2,t.elementArrayType2.serialize(),i.BufferType.ELEMENT)),this.layerData={};for(var l=0,c=e;l<c.length;l+=1){var p=c[l],h=s.paintVertexArrays&&s.paintVertexArrays[p.id],f=o.createDynamic(t.paintAttributes||[],p,r),d=h?new i(h.array,h.type,i.BufferType.VERTEX):null;u.layerData[p.id]={programConfiguration:f,paintVertexBuffer:d}}this.segments=s.segments,this.segments2=s.segments2;for(var m=0,y=[this.segments,this.segments2];m<y.length;m+=1)for(var v=y[m],g=0,_=v||[];g<_.length;g+=1){var x=_[g];x.vaos=n.mapObject(u.layerData,function(){return new a})}};s.prototype.destroy=function(){var t=this;this.layoutVertexBuffer.destroy(),this.elementBuffer&&this.elementBuffer.destroy(),this.elementBuffer2&&this.elementBuffer2.destroy();for(var e in this.layerData){var r=t.layerData[e].paintVertexBuffer;r&&r.destroy()}for(var n=0,i=[this.segments,this.segments2];n<i.length;n+=1)for(var o=i[n],a=0,s=o||[];a<s.length;a+=1){var u=s[a];for(var l in u.vaos)u.vaos[l].destroy()}},e.exports=s},{"../render/vertex_array_object":39,"../util/util":127,"./buffer":8,"./program_configuration":15}],10:[function(t,e,r){"use strict";function n(t){return i({members:[{type:"Uint16",name:"vertices",components:t||3}]})}var i=t("../util/struct_array");e.exports=n},{"../util/struct_array":125}],11:[function(t,e,r){"use strict";e.exports=8192},{}],12:[function(t,e,r){"use strict";function n(t){return Math.sqrt(t[0]*t[0]+t[1]*t[1])}function i(t,e){return e-t}function o(t){return t["line-gap-width"]>0?t["line-gap-width"]+2*t["line-width"]:t["line-width"]}function a(t,e,r,n,i){if(!e[0]&&!e[1])return t;e=u.convert(e),"viewport"===r&&e._rotate(-n);for(var o=[],a=0;a<t.length;a++){for(var s=t[a],l=[],c=0;c<s.length;c++)l.push(s[c].sub(e._mult(i)));o.push(l)}return o}function s(t,e){for(var r=[],n=new u(0,0),i=0;i<t.length;i++){for(var o=t[i],a=[],s=0;s<o.length;s++){var l=o[s-1],c=o[s],p=o[s+1],h=0===s?n:c.sub(l)._unit()._perp(),f=s===o.length-1?n:p.sub(c)._unit()._perp(),d=h._add(f)._unit(),m=d.x*f.x+d.y*f.y;d._mult(1/m),a.push(d._mult(e)._add(c))}r.push(a)}return r}var u=t("point-geometry"),l=t("./load_geometry"),c=t("./extent"),p=t("feature-filter"),h=t("../util/struct_array"),f=t("grid-index"),d=t("../util/dictionary_coder"),m=t("vector-tile"),y=t("pbf"),v=t("../util/vectortile_to_geojson"),g=t("../util/util").arraysIntersect,_=t("../util/intersection_tests"),x=_.multiPolygonIntersectsBufferedMultiPoint,b=_.multiPolygonIntersectsMultiPolygon,w=_.multiPolygonIntersectsBufferedMultiLine,E=h({members:[{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"}]}),T=function(t,e,r){if(t.grid){var n=t,i=e;t=n.coord,e=n.overscaling,this.grid=new f(n.grid),this.featureIndexArray=new E(n.featureIndexArray),this.rawTileData=i,this.bucketLayerIDs=n.bucketLayerIDs}else this.grid=new f(c,16,0),this.featureIndexArray=new E;this.coord=t,this.overscaling=e,this.x=t.x,this.y=t.y,this.z=t.z-Math.log(e)/Math.LN2,this.setCollisionTile(r)};T.prototype.insert=function(t,e){var r=this,n=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(t.index,t.sourceLayerIndex,e);for(var i=l(t),o=0;o<i.length;o++){for(var a=i[o],s=[1/0,1/0,-(1/0),-(1/0)],u=0;u<a.length;u++){var c=a[u];s[0]=Math.min(s[0],c.x),s[1]=Math.min(s[1],c.y),s[2]=Math.max(s[2],c.x),s[3]=Math.max(s[3],c.y)}r.grid.insert(n,s[0],s[1],s[2],s[3])}},T.prototype.setCollisionTile=function(t){this.collisionTile=t},T.prototype.serialize=function(t){var e=this.grid.toArrayBuffer();return t&&t.push(e),{coord:this.coord,overscaling:this.overscaling,grid:e,featureIndexArray:this.featureIndexArray.serialize(t),bucketLayerIDs:this.bucketLayerIDs}},T.prototype.query=function(t,e){this.vtLayers||(this.vtLayers=new m.VectorTile(new y(this.rawTileData)).layers,this.sourceLayerCoder=new d(this.vtLayers?Object.keys(this.vtLayers).sort():["_geojsonTileLayer"]));var r={},a=t.params||{},s=c/t.tileSize/t.scale,l=p(a.filter),h=0;for(var f in e){var v=e[f],g=v.paint,_=0;"line"===v.type?_=o(g)/2+Math.abs(g["line-offset"])+n(g["line-translate"]):"fill"===v.type?_=n(g["fill-translate"]):"fill-extrusion"===v.type?_=n(g["fill-extrusion-translate"]):"circle"===v.type&&(_=g["circle-radius"]+n(g["circle-translate"])),h=Math.max(h,_*s)}for(var x=t.queryGeometry.map(function(t){return t.map(function(t){return new u(t.x,t.y)})}),b=1/0,w=1/0,E=-(1/0),T=-(1/0),S=0;S<x.length;S++)for(var z=x[S],A=0;A<z.length;A++){var M=z[A];b=Math.min(b,M.x),w=Math.min(w,M.y),E=Math.max(E,M.x),T=Math.max(T,M.y)}var P=this.grid.query(b-h,w-h,E+h,T+h);P.sort(i),this.filterMatching(r,P,this.featureIndexArray,x,l,a.layers,e,t.bearing,s);var I=this.collisionTile.queryRenderedSymbols(x,t.scale);return I.sort(),this.filterMatching(r,I,this.collisionTile.collisionBoxArray,x,l,a.layers,e,t.bearing,s),r},T.prototype.filterMatching=function(t,e,r,n,i,u,c,p,h){for(var f,d=this,m=0;m<e.length;m++){var y=e[m];if(y!==f){f=y;var _=r.get(y),E=d.bucketLayerIDs[_.bucketIndex];if(!u||g(u,E)){var T=d.sourceLayerCoder.decode(_.sourceLayerIndex),S=d.vtLayers[T],z=S.feature(_.featureIndex);if(i(z))for(var A=null,M=0;M<E.length;M++){var P=E[M];if(!(u&&u.indexOf(P)<0)){var I=c[P];if(I){var L;if("symbol"!==I.type){A||(A=l(z));var k=I.paint;if("line"===I.type){L=a(n,k["line-translate"],k["line-translate-anchor"],p,h);var C=o(k)/2*h;if(k["line-offset"]&&(A=s(A,k["line-offset"]*h)),!w(L,A,C))continue}else if("fill"===I.type||"fill-extrusion"===I.type){var R=I.type;if(L=a(n,k[R+"-translate"],k[R+"-translate-anchor"],p,h),!b(L,A))continue}else if("circle"===I.type){L=a(n,k["circle-translate"],k["circle-translate-anchor"],p,h);var D=k["circle-radius"]*h;if(!x(L,A,D))continue}}var O=new v(z,d.z,d.x,d.y);O.layer=I.serialize();var B=t[P];void 0===B&&(B=t[P]=[]),B.push(O)}}}}}}},e.exports=T},{"../util/dictionary_coder":113,"../util/intersection_tests":120,"../util/struct_array":125,"../util/util":127,"../util/vectortile_to_geojson":128,"./extent":11,"./load_geometry":13,"feature-filter":135,"grid-index":146,pbf:193,"point-geometry":194,"vector-tile":204}],13:[function(t,e,r){"use strict";function n(t){return{min:-1*Math.pow(2,t-1),max:Math.pow(2,t-1)-1}}var i=t("../util/util"),o=t("./extent"),a={15:n(15),16:n(16)};e.exports=function(t,e){for(var r=a[e||16],n=o/t.extent,s=t.loadGeometry(),u=0;u<s.length;u++)for(var l=s[u],c=0;c<l.length;c++){var p=l[c];p.x=Math.round(p.x*n),p.y=Math.round(p.y*n),(p.x<r.min||p.x>r.max||p.y<r.min||p.y>r.max)&&i.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return s}},{"../util/util":127,"./extent":11}],14:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=n({members:[{name:"a_pos",type:"Int16",components:2}]});e.exports=i},{"../util/struct_array":125}],15:[function(t,e,r){"use strict";function n(t,e,r,n){if(!t.zoomStops)return e.getPaintValue(t.property,r,n);var i=t.zoomStops.map(function(i){return e.getPaintValue(t.property,a.extend({},r,{zoom:i}),n)});return 1===i.length?i[0]:i}function i(t,e){var r=t.property.replace(e.type+"-","").replace(/-/g,"_"),n="color"===e._paintSpecifications[t.property].type;return a.extend({name:"a_"+r,components:n?4:1,multiplier:n?255:1},t)}var o=t("./vertex_array_type"),a=t("../util/util"),s=function(){this.attributes=[],this.uniforms=[],this.interpolationUniforms=[],this.pragmas={vertex:{},fragment:{}},this.cacheKey=""};s.createDynamic=function(t,e,r){for(var n=new s,a=0,u=t;a<u.length;a+=1){var l=u[a],c=i(l,e),p=c.name.slice(2);e.isPaintValueFeatureConstant(c.property)?n.addZoomAttribute(p,c):e.isPaintValueZoomConstant(c.property)?n.addPropertyAttribute(p,c):n.addZoomAndPropertyAttribute(p,c,e,r)}return n.PaintVertexArray=o(n.attributes),n},s.createStatic=function(t){for(var e=new s,r=0,n=t;r<n.length;r+=1){var i=n[r];e.addUniform(i,"u_"+i)}return e},s.prototype.addUniform=function(t,e){var r=this.getPragmas(t);r.define.push("uniform {precision} {type} "+e+";"),r.initialize.push("{precision} {type} "+t+" = "+e+";"),this.cacheKey+="/u_"+t},s.prototype.addZoomAttribute=function(t,e){this.uniforms.push(e),this.addUniform(t,e.name)},s.prototype.addPropertyAttribute=function(t,e){var r=this.getPragmas(t);this.attributes.push(e),r.define.push("varying {precision} {type} "+t+";"),r.vertex.define.push("attribute {precision} {type} "+e.name+";"),r.vertex.initialize.push(t+" = "+e.name+" / "+e.multiplier+".0;"),this.cacheKey+="/a_"+t},s.prototype.addZoomAndPropertyAttribute=function(t,e,r,n){var i=this,o=this.getPragmas(t);o.define.push("varying {precision} {type} "+t+";");for(var s=0,u=r.getPaintValueStopZoomLevels(e.property);s<u.length&&u[s]<n;)s++;var l=Math.max(0,Math.min(u.length-4,s-2)),c="u_"+t+"_t";o.vertex.define.push("uniform lowp float "+c+";"),this.interpolationUniforms.push({name:c,property:e.property,stopOffset:l});for(var p=[],h=0;h<4;h++)p.push(u[Math.min(l+h,u.length-1)]);var f=[];if(1===e.components)this.attributes.push(a.extend({},e,{components:4,zoomStops:p})),o.vertex.define.push("attribute {precision} vec4 "+e.name+";"),f.push(e.name);else for(var d=0;d<4;d++){var m=e.name+d;f.push(m),i.attributes.push(a.extend({},e,{name:m,zoomStops:[p[d]]})),o.vertex.define.push("attribute {precision} {type} "+m+";")}o.vertex.initialize.push(t+" = evaluate_zoom_function_"+e.components+"(            "+f.join(", ")+", "+c+") / "+e.multiplier+".0;"),this.cacheKey+="/z_"+t},s.prototype.getPragmas=function(t){return this.pragmas[t]||(this.pragmas[t]={define:[],initialize:[]},this.pragmas[t].fragment={define:[],initialize:[]},this.pragmas[t].vertex={define:[],initialize:[]}),this.pragmas[t]},s.prototype.applyPragmas=function(t,e){var r=this;return t.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(t,n,i,o,a){return r.pragmas[a][n].concat(r.pragmas[a][e][n]).join("\n").replace(/{type}/g,o).replace(/{precision}/g,i)})},s.prototype.populatePaintArray=function(t,e,r,i,o){var a=e.length;e.resize(r);for(var s=0,u=this.attributes;s<u.length;s+=1)for(var l=u[s],c=n(l,t,i,o),p=a;p<r;p++){var h=e.get(p);if(4===l.components)for(var f=0;f<4;f++)h[l.name+f]=c[f]*l.multiplier;else h[l.name]=c*l.multiplier}},s.prototype.setUniforms=function(t,e,r,n){for(var i=0,o=this.uniforms;i<o.length;i+=1){var a=o[i],s=r.getPaintValue(a.property,n);4===a.components?t.uniform4fv(e[a.name],s):t.uniform1f(e[a.name],s)}for(var u=0,l=this.interpolationUniforms;u<l.length;u+=1){var c=l[u],p=r.getPaintInterpolationT(c.property,n);t.uniform1f(e[c.name],Math.max(0,Math.min(4,p-c.stopOffset)))}},e.exports=s},{"../util/util":127,"./vertex_array_type":17}],16:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=n({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]});e.exports=i},{"../util/struct_array":125}],17:[function(t,e,r){"use strict";function n(t){return i({members:t,alignment:4})}var i=t("../util/struct_array");e.exports=n},{"../util/struct_array":125}],18:[function(t,e,r){"use strict";var n=function(t,e,r){this.column=t,this.row=e,this.zoom=r};n.prototype.clone=function(){return new n(this.column,this.row,this.zoom)},n.prototype.zoomTo=function(t){return this.clone()._zoomTo(t)},n.prototype.sub=function(t){return this.clone()._sub(t)},n.prototype._zoomTo=function(t){var e=Math.pow(2,t-this.zoom);return this.column*=e,this.row*=e,this.zoom=t,this},n.prototype._sub=function(t){return t=t.zoomTo(this.zoom),this.column-=t.column,this.row-=t.row,this},e.exports=n},{}],19:[function(t,e,r){"use strict";var n=t("../util/util").wrap,i=function(t,e){if(isNaN(t)||isNaN(e))throw new Error("Invalid LngLat object: ("+t+", "+e+")");if(this.lng=+t,this.lat=+e,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")};i.prototype.wrap=function(){return new i(n(this.lng,-180,180),this.lat)},i.prototype.toArray=function(){return[this.lng,this.lat]},i.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},i.convert=function(t){if(t instanceof i)return t;if(t&&t.hasOwnProperty("lng")&&t.hasOwnProperty("lat"))return new i(t.lng,t.lat);if(Array.isArray(t)&&2===t.length)return new i(t[0],t[1]);throw new Error("`LngLatLike` argument must be specified as a LngLat instance, an object {lng: <lng>, lat: <lat>}, or an array of [<lng>, <lat>]")},e.exports=i},{"../util/util":127}],20:[function(t,e,r){"use strict";var n=t("./lng_lat"),i=function(t,e){t&&(e?this.setSouthWest(t).setNorthEast(e):4===t.length?this.setSouthWest([t[0],t[1]]).setNorthEast([t[2],t[3]]):this.setSouthWest(t[0]).setNorthEast(t[1]))};i.prototype.setNorthEast=function(t){return this._ne=n.convert(t),this},i.prototype.setSouthWest=function(t){return this._sw=n.convert(t),this},i.prototype.extend=function(t){var e,r,o=this._sw,a=this._ne;if(t instanceof n)e=t,r=t;else{if(!(t instanceof i))return Array.isArray(t)?t.every(Array.isArray)?this.extend(i.convert(t)):this.extend(n.convert(t)):this;if(e=t._sw,r=t._ne,!e||!r)return this}return o||a?(o.lng=Math.min(e.lng,o.lng),o.lat=Math.min(e.lat,o.lat),a.lng=Math.max(r.lng,a.lng),a.lat=Math.max(r.lat,a.lat)):(this._sw=new n(e.lng,e.lat),this._ne=new n(r.lng,r.lat)),this},i.prototype.getCenter=function(){return new n((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},i.prototype.getSouthWest=function(){return this._sw},i.prototype.getNorthEast=function(){return this._ne},i.prototype.getNorthWest=function(){return new n(this.getWest(),this.getNorth())},i.prototype.getSouthEast=function(){return new n(this.getEast(),this.getSouth())},i.prototype.getWest=function(){return this._sw.lng},i.prototype.getSouth=function(){return this._sw.lat},i.prototype.getEast=function(){return this._ne.lng},i.prototype.getNorth=function(){return this._ne.lat},i.prototype.toArray=function(){return[this._sw.toArray(),this._ne.toArray()]},i.prototype.toString=function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"},i.convert=function(t){return!t||t instanceof i?t:new i(t)},e.exports=i},{"./lng_lat":19}],21:[function(t,e,r){"use strict";var n=t("./lng_lat"),i=t("point-geometry"),o=t("./coordinate"),a=t("../util/util"),s=t("../util/interpolate"),u=t("../source/tile_coord"),l=t("../data/extent"),c=t("@mapbox/gl-matrix"),p=c.vec4,h=c.mat4,f=c.mat2,d=function(t,e){this.tileSize=512,this._minZoom=t||0,this._maxZoom=e||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new n(0,0),this.zoom=0,this.angle=0,this._fov=.6435011087932844,this._pitch=0,this._unmodified=!0},m={minZoom:{},maxZoom:{},worldSize:{},centerPoint:{},size:{},bearing:{},pitch:{},fov:{},zoom:{},center:{},unmodified:{},x:{},y:{},point:{}};m.minZoom.get=function(){return this._minZoom},m.minZoom.set=function(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},m.maxZoom.get=function(){return this._maxZoom},m.maxZoom.set=function(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},m.worldSize.get=function(){return this.tileSize*this.scale},m.centerPoint.get=function(){return this.size._div(2)},m.size.get=function(){return new i(this.width,this.height)},m.bearing.get=function(){return-this.angle/Math.PI*180},m.bearing.set=function(t){var e=-a.wrap(t,-180,180)*Math.PI/180;this.angle!==e&&(this._unmodified=!1,this.angle=e,this._calcMatrices(),this.rotationMatrix=f.create(),f.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},m.pitch.get=function(){return this._pitch/Math.PI*180},m.pitch.set=function(t){var e=a.clamp(t,0,60)/180*Math.PI;this._pitch!==e&&(this._unmodified=!1,this._pitch=e,this._calcMatrices())},m.fov.get=function(){return this._fov/Math.PI*180},m.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())},m.zoom.get=function(){return this._zoom},m.zoom.set=function(t){var e=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==e&&(this._unmodified=!1,this._zoom=e,this.scale=this.zoomScale(e),this.tileZoom=Math.floor(e),this.zoomFraction=e-this.tileZoom,this._constrain(),this._calcMatrices())},m.center.get=function(){return this._center},m.center.set=function(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._constrain(),this._calcMatrices())},d.prototype.coveringZoomLevel=function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},d.prototype.coveringTiles=function(t){var e=this.coveringZoomLevel(t),r=e;if(e<t.minzoom)return[];e>t.maxzoom&&(e=t.maxzoom);var n=this.pointCoordinate(this.centerPoint,e),o=new i(n.column-.5,n.row-.5),a=[this.pointCoordinate(new i(0,0),e),this.pointCoordinate(new i(this.width,0),e),this.pointCoordinate(new i(this.width,this.height),e),this.pointCoordinate(new i(0,this.height),e)];return u.cover(e,a,t.reparseOverscaled?r:e).sort(function(t,e){return o.dist(t)-o.dist(e)})},d.prototype.resize=function(t,e){this.width=t,this.height=e,this.pixelsToGLUnits=[2/t,-2/e],this._constrain(),this._calcMatrices()},m.unmodified.get=function(){return this._unmodified},d.prototype.zoomScale=function(t){return Math.pow(2,t)},d.prototype.scaleZoom=function(t){return Math.log(t)/Math.LN2},d.prototype.project=function(t){return new i(this.lngX(t.lng),this.latY(t.lat))},d.prototype.unproject=function(t){return new n(this.xLng(t.x),this.yLat(t.y))},m.x.get=function(){return this.lngX(this.center.lng)},m.y.get=function(){return this.latY(this.center.lat)},m.point.get=function(){return new i(this.x,this.y)},d.prototype.lngX=function(t){return(180+t)*this.worldSize/360},d.prototype.latY=function(t){var e=180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360));return(180-e)*this.worldSize/360},d.prototype.xLng=function(t){return 360*t/this.worldSize-180},d.prototype.yLat=function(t){var e=180-360*t/this.worldSize;return 360/Math.PI*Math.atan(Math.exp(e*Math.PI/180))-90},d.prototype.setLocationAtPoint=function(t,e){var r=this.pointCoordinate(e)._sub(this.pointCoordinate(this.centerPoint));this.center=this.coordinateLocation(this.locationCoordinate(t)._sub(r))},d.prototype.locationPoint=function(t){return this.coordinatePoint(this.locationCoordinate(t))},d.prototype.pointLocation=function(t){return this.coordinateLocation(this.pointCoordinate(t))},d.prototype.locationCoordinate=function(t){return new o(this.lngX(t.lng)/this.tileSize,this.latY(t.lat)/this.tileSize,this.zoom).zoomTo(this.tileZoom)},d.prototype.coordinateLocation=function(t){var e=t.zoomTo(this.zoom);return new n(this.xLng(e.column*this.tileSize),this.yLat(e.row*this.tileSize))},d.prototype.pointCoordinate=function(t,e){void 0===e&&(e=this.tileZoom);var r=0,n=[t.x,t.y,0,1],i=[t.x,t.y,1,1];p.transformMat4(n,n,this.pixelMatrixInverse),p.transformMat4(i,i,this.pixelMatrixInverse);var a=n[3],u=i[3],l=n[0]/a,c=i[0]/u,h=n[1]/a,f=i[1]/u,d=n[2]/a,m=i[2]/u,y=d===m?0:(r-d)/(m-d);return new o(s(l,c,y)/this.tileSize,s(h,f,y)/this.tileSize,this.zoom)._zoomTo(e)},d.prototype.coordinatePoint=function(t){var e=t.zoomTo(this.zoom),r=[e.column*this.tileSize,e.row*this.tileSize,0,1];return p.transformMat4(r,r,this.pixelMatrix),new i(r[0]/r[3],r[1]/r[3])},d.prototype.calculatePosMatrix=function(t,e){var r=t.toCoordinate(e),n=this.worldSize/this.zoomScale(r.zoom),i=h.identity(new Float64Array(16));return h.translate(i,i,[r.column*n,r.row*n,0]),h.scale(i,i,[n/l,n/l,1]),h.multiply(i,this.projMatrix,i),new Float32Array(i)},d.prototype._constrain=function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,e,r,n,o,a,s,u,l=this.size,c=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),e=this.latY(this.latRange[0]),o=e-t<l.y?l.y/(e-t):0),this.lngRange&&(r=this.lngX(this.lngRange[0]),n=this.lngX(this.lngRange[1]),a=n-r<l.x?l.x/(n-r):0);var p=Math.max(a||0,o||0);if(p)return this.center=this.unproject(new i(a?(n+r)/2:this.x,o?(e+t)/2:this.y)),this.zoom+=this.scaleZoom(p),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var h=this.y,f=l.y/2;h-f<t&&(u=t+f),h+f>e&&(u=e-f)}if(this.lngRange){var d=this.x,m=l.x/2;d-m<r&&(s=r+m),d+m>n&&(s=n-m)}void 0===s&&void 0===u||(this.center=this.unproject(new i(void 0!==s?s:this.x,void 0!==u?u:this.y))),this._unmodified=c,this._constraining=!1}},d.prototype._calcMatrices=function(){if(this.height){this.cameraToCenterDistance=.5/Math.tan(this._fov/2)*this.height;var t=this._fov/2,e=Math.PI/2+this._pitch,r=Math.sin(t)*this.cameraToCenterDistance/Math.sin(Math.PI-e-t),n=Math.cos(Math.PI/2-this._pitch)*r+this.cameraToCenterDistance,i=1.01*n,o=new Float64Array(16);h.perspective(o,this._fov,this.width/this.height,1,i),h.scale(o,o,[1,-1,1]),h.translate(o,o,[0,0,-this.cameraToCenterDistance]),h.rotateX(o,o,this._pitch),h.rotateZ(o,o,this.angle),h.translate(o,o,[-this.x,-this.y,0]);var a=this.worldSize/(2*Math.PI*6378137*Math.abs(Math.cos(this.center.lat*(Math.PI/180))));if(h.scale(o,o,[1,1,a,1]),this.projMatrix=o,o=h.create(),h.scale(o,o,[this.width/2,-this.height/2,1]),h.translate(o,o,[1,-1,0]),this.pixelMatrix=h.multiply(new Float64Array(16),o,this.projMatrix),o=h.invert(new Float64Array(16),this.pixelMatrix),!o)throw new Error("failed to invert matrix");this.pixelMatrixInverse=o}},Object.defineProperties(d.prototype,m),e.exports=d},{"../data/extent":11,"../source/tile_coord":51,"../util/interpolate":119,"../util/util":127,"./coordinate":18,"./lng_lat":19,"@mapbox/gl-matrix":131,"point-geometry":194}],22:[function(t,e,r){"use strict";var n,i=t("./util/worker_pool");e.exports=function(){return n||(n=new i),n}},{"./util/worker_pool":130}],23:[function(t,e,r){"use strict";var n={" 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i=r.posMatrix,h=t.useProgram("debug");n.uniformMatrix4fv(h.u_matrix,!1,i),n.uniform4f(h.u_color,1,0,0,1),t.debugVAO.bind(n,h,t.debugBuffer),n.drawArrays(n.LINE_STRIP,0,t.debugBuffer.length);for(var f=o(r.toString(),50,200,5),d=new p,m=0;m<f.length;m+=2)d.emplaceBack(f[m],f[m+1]);var y=l.fromStructArray(d,l.BufferType.VERTEX),v=new c;v.bind(n,h,y),n.uniform4f(h.u_color,1,1,1,1);for(var g=e.getTile(r).tileSize,_=u/(Math.pow(2,t.transform.zoom-r.z)*g),x=[[-1,-1],[-1,1],[1,-1],[1,1]],b=0;b<x.length;b++){var w=x[b];n.uniformMatrix4fv(h.u_matrix,!1,s.translate([],i,[_*w[0],_*w[1],0])),n.drawArrays(n.LINES,0,y.length)}n.uniform4f(h.u_color,0,0,0,1),n.uniformMatrix4fv(h.u_matrix,!1,i),n.drawArrays(n.LINES,0,y.length)}var o=t("../lib/debugtext"),a=t("../util/browser"),s=t("@mapbox/gl-matrix").mat4,u=t("../data/extent"),l=t("../data/buffer"),c=t("./vertex_array_object"),p=t("../data/pos_array");e.exports=n},{"../data/buffer":8,"../data/extent":11,"../data/pos_array":14,"../lib/debugtext":23,"../util/browser":108,"./vertex_array_object":39,"@mapbox/gl-matrix":131}],29:[function(t,e,r){"use strict";function n(t,e,r,n){var s=t.gl;s.enable(s.STENCIL_TEST);var u=!r.paint["fill-pattern"]&&r.isPaintValueFeatureConstant("fill-color")&&r.isPaintValueFeatureConstant("fill-opacity")&&1===r.paint["fill-color"][3]&&1===r.paint["fill-opacity"];t.isOpaquePass===u&&(t.setDepthSublayer(1),i(t,e,r,n,o)),!t.isOpaquePass&&r.paint["fill-antialias"]&&(t.lineWidth(2),t.depthMask(!1),t.setDepthSublayer(r.getPaintProperty("fill-outline-color")?2:0),i(t,e,r,n,a))}function i(t,e,r,n,i){for(var o=!0,a=0,s=n;a<s.length;a+=1){var u=s[a],l=e.getTile(u),c=l.getBucket(r);c&&(t.enableTileClippingMask(u),i(t,e,r,l,u,c.buffers,o),o=!1)}}function o(t,e,r,n,i,o,a){for(var u=t.gl,l=o.layerData[r.id],c=s("fill",r.paint["fill-pattern"],t,l,r,n,i,a),p=0,h=o.segments;p<h.length;p+=1){var f=h[p];f.vaos[r.id].bind(u,c,o.layoutVertexBuffer,o.elementBuffer,l.paintVertexBuffer,f.vertexOffset),u.drawElements(u.TRIANGLES,3*f.primitiveLength,u.UNSIGNED_SHORT,3*f.primitiveOffset*2)}}function a(t,e,r,n,i,o,a){var u=t.gl,l=o.layerData[r.id],c=r.paint["fill-pattern"]&&!r.getPaintProperty("fill-outline-color"),p=s("fillOutline",c,t,l,r,n,i,a);u.uniform2f(p.u_world,u.drawingBufferWidth,u.drawingBufferHeight);for(var h=0,f=o.segments2;h<f.length;h+=1){var d=f[h];d.vaos[r.id].bind(u,p,o.layoutVertexBuffer,o.elementBuffer2,l.paintVertexBuffer,d.vertexOffset),u.drawElements(u.LINES,2*d.primitiveLength,u.UNSIGNED_SHORT,2*d.primitiveOffset*2)}}function s(t,e,r,n,i,o,a,s){var l,c=r.currentProgram;return e?(l=r.useProgram(t+"Pattern",n.programConfiguration),(s||l!==c)&&(n.programConfiguration.setUniforms(r.gl,l,i,{zoom:r.transform.zoom}),u.prepare(i.paint["fill-pattern"],r,l)),u.setTile(o,r,l)):(l=r.useProgram(t,n.programConfiguration),(s||l!==c)&&n.programConfiguration.setUniforms(r.gl,l,i,{zoom:r.transform.zoom})),r.gl.uniformMatrix4fv(l.u_matrix,!1,r.translatePosMatrix(a.posMatrix,o,i.paint["fill-translate"],i.paint["fill-translate-anchor"])),l}var u=t("./pattern");e.exports=n},{"./pattern":37}],30:[function(t,e,r){"use strict";function n(t,e,r,n){if(0!==r.paint["fill-extrusion-opacity"]){var a=t.gl;a.disable(a.STENCIL_TEST),a.enable(a.DEPTH_TEST),t.depthMask(!0);var s=new i(a,t,r);s.bindFramebuffer(),a.clearColor(0,0,0,0),a.clear(a.COLOR_BUFFER_BIT|a.DEPTH_BUFFER_BIT);for(var u=0;u<n.length;u++)o(t,e,r,n[u]);s.unbindFramebuffer(),s.renderToMap()}}function i(t,e,r){this.gl=t,this.width=e.width,this.height=e.height,this.painter=e,this.layer=r,this.texture=null,this.fbo=null,this.fbos=this.painter.preFbos[this.width]&&this.painter.preFbos[this.width][this.height]}function o(t,e,r,n){if(!t.isOpaquePass){var i=e.getTile(n),o=i.getBucket(r);if(o){var s=o.buffers,u=t.gl,l=r.paint["fill-extrusion-pattern"],c=s.layerData[r.id],h=c.programConfiguration,f=t.useProgram(l?"fillExtrusionPattern":"fillExtrusion",h);h.setUniforms(u,f,r,{zoom:t.transform.zoom}),l&&(p.prepare(l,t,f),p.setTile(i,t,f),u.uniform1f(f.u_height_factor,-Math.pow(2,n.z)/i.tileSize/8)),t.gl.uniformMatrix4fv(f.u_matrix,!1,t.translatePosMatrix(n.posMatrix,i,r.paint["fill-extrusion-translate"],r.paint["fill-extrusion-translate-anchor"])),a(f,t);for(var d=0,m=s.segments;d<m.length;d+=1){var y=m[d];y.vaos[r.id].bind(u,f,s.layoutVertexBuffer,s.elementBuffer,c.paintVertexBuffer,y.vertexOffset),u.drawElements(u.TRIANGLES,3*y.primitiveLength,u.UNSIGNED_SHORT,3*y.primitiveOffset*2)}}}}function a(t,e){var r=e.gl,n=e.style.light,i=n.calculated.position,o=[i.x,i.y,i.z],a=h.create();"viewport"===n.calculated.anchor&&h.fromRotation(a,-e.transform.angle),d.transformMat3(o,o,a),r.uniform3fv(t.u_lightpos,o),r.uniform1f(t.u_lightintensity,n.calculated.intensity),r.uniform3fv(t.u_lightcolor,n.calculated.color.slice(0,3))}var s=t("@mapbox/gl-matrix"),u=t("../data/buffer"),l=t("./vertex_array_object"),c=t("../data/pos_array"),p=t("./pattern"),h=s.mat3,f=s.mat4,d=s.vec3;e.exports=n,i.prototype.bindFramebuffer=function(){var t=this.gl;if(this.texture=this.painter.getViewportTexture(this.width,this.height),t.activeTexture(t.TEXTURE1),this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),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,null),this.texture.width=this.width,this.texture.height=this.height),this.fbos)this.fbo=this.fbos.pop(),t.bindFramebuffer(t.FRAMEBUFFER,this.fbo),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,this.texture,0);else{this.fbo=t.createFramebuffer();var e=t.createRenderbuffer(),r=t.createRenderbuffer();t.bindRenderbuffer(t.RENDERBUFFER,e),t.bindRenderbuffer(t.RENDERBUFFER,r),t.renderbufferStorage(t.RENDERBUFFER,t.RGBA4,this.width,this.height),t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_COMPONENT16,this.width,this.height),t.bindFramebuffer(t.FRAMEBUFFER,this.fbo),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,r),t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,this.texture,0)}},i.prototype.unbindFramebuffer=function(){this.painter.bindDefaultFramebuffer(),this.fbos?this.fbos.push(this.fbo):(this.painter.preFbos[this.width]||(this.painter.preFbos[this.width]={}),this.painter.preFbos[this.width][this.height]=[this.fbo]),this.painter.saveViewportTexture(this.texture)},i.prototype.renderToMap=function(){var t=this.gl,e=this.painter,r=e.useProgram("extrusionTexture");t.activeTexture(t.TEXTURE0),t.bindTexture(t.TEXTURE_2D,this.texture),t.uniform1f(r.u_opacity,this.layer.paint["fill-extrusion-opacity"]),t.uniform1i(r.u_texture,1),t.uniformMatrix4fv(r.u_matrix,!1,f.ortho(f.create(),0,e.width,e.height,0,0,1)),t.disable(t.DEPTH_TEST),t.uniform1i(r.u_xdim,e.width),t.uniform1i(r.u_ydim,e.height);var n=new c;n.emplaceBack(0,0),n.emplaceBack(e.width,0),n.emplaceBack(0,e.height),n.emplaceBack(e.width,e.height);var i=u.fromStructArray(n,u.BufferType.VERTEX),o=new l;o.bind(t,r,i),t.drawArrays(t.TRIANGLE_STRIP,0,4),t.enable(t.DEPTH_TEST)}},{"../data/buffer":8,"../data/pos_array":14,"./pattern":37,"./vertex_array_object":39,"@mapbox/gl-matrix":131}],31:[function(t,e,r){"use strict";function n(t,e,r,n,a,s,u,l,c){var p,h,f,d,m=e.gl,y=a.paint["line-dasharray"],v=a.paint["line-pattern"];if(l||c){var g=1/o(r,1,e.transform.tileZoom);if(y){p=e.lineAtlas.getDash(y.from,"round"===a.layout["line-cap"]),h=e.lineAtlas.getDash(y.to,"round"===a.layout["line-cap"]);var _=p.width*y.fromScale,x=h.width*y.toScale;m.uniform2f(t.u_patternscale_a,g/_,-p.height/2),m.uniform2f(t.u_patternscale_b,g/x,-h.height/2),m.uniform1f(t.u_sdfgamma,e.lineAtlas.width/(256*Math.min(_,x)*i.devicePixelRatio)/2)}else if(v){if(f=e.spriteAtlas.getPosition(v.from,!0),d=e.spriteAtlas.getPosition(v.to,!0),!f||!d)return;m.uniform2f(t.u_pattern_size_a,f.size[0]*v.fromScale/g,d.size[1]),m.uniform2f(t.u_pattern_size_b,d.size[0]*v.toScale/g,d.size[1])}m.uniform2f(t.u_gl_units_to_pixels,1/e.transform.pixelsToGLUnits[0],1/e.transform.pixelsToGLUnits[1])}l&&(y?(m.uniform1i(t.u_image,0),m.activeTexture(m.TEXTURE0),e.lineAtlas.bind(m),m.uniform1f(t.u_tex_y_a,p.y),m.uniform1f(t.u_tex_y_b,h.y),m.uniform1f(t.u_mix,y.t)):v&&(m.uniform1i(t.u_image,0),m.activeTexture(m.TEXTURE0),e.spriteAtlas.bind(m,!0),m.uniform2fv(t.u_pattern_tl_a,f.tl),m.uniform2fv(t.u_pattern_br_a,f.br),m.uniform2fv(t.u_pattern_tl_b,d.tl),m.uniform2fv(t.u_pattern_br_b,d.br),m.uniform1f(t.u_fade,v.t)),m.uniform1f(t.u_width,a.paint["line-width"])),e.enableTileClippingMask(s);var b=e.translatePosMatrix(s.posMatrix,r,a.paint["line-translate"],a.paint["line-translate-anchor"]);m.uniformMatrix4fv(t.u_matrix,!1,b),m.uniform1f(t.u_ratio,1/o(r,1,e.transform.zoom));for(var w=0,E=n.segments;w<E.length;w+=1){var T=E[w];T.vaos[a.id].bind(m,t,n.layoutVertexBuffer,n.elementBuffer,u.paintVertexBuffer,T.vertexOffset),m.drawElements(m.TRIANGLES,3*T.primitiveLength,m.UNSIGNED_SHORT,3*T.primitiveOffset*2)}}var i=t("../util/browser"),o=t("../source/pixels_to_tile_units");e.exports=function(t,e,r,i){if(!t.isOpaquePass){t.setDepthSublayer(0),t.depthMask(!1);var o=t.gl;if(o.enable(o.STENCIL_TEST),!(r.paint["line-width"]<=0))for(var a,s=r.paint["line-dasharray"]?"lineSDF":r.paint["line-pattern"]?"linePattern":"line",u=!0,l=0,c=i;l<c.length;l+=1){var p=c[l],h=e.getTile(p),f=h.getBucket(r);if(f){var d=f.buffers.layerData[r.id],m=t.currentProgram,y=t.useProgram(s,d.programConfiguration),v=u||y!==m,g=a!==h.coord.z;v&&d.programConfiguration.setUniforms(t.gl,y,r,{zoom:t.transform.zoom}),n(y,t,h,f.buffers,r,p,d,v,g),a=h.coord.z,u=!1}}}}},{"../source/pixels_to_tile_units":45,"../util/browser":108}],32:[function(t,e,r){"use strict";function n(t,e,r,n){if(!t.isOpaquePass){var o=t.gl;o.enable(o.DEPTH_TEST),t.depthMask(!0),o.depthFunc(o.LESS);for(var a=n.length&&n[0].z,s=0;s<n.length;s++){var u=n[s];t.setDepthSublayer(u.z-a),i(t,e,r,u)}o.depthFunc(o.LEQUAL)}}function i(t,e,r,n){var i=t.gl;i.disable(i.STENCIL_TEST);var l=e.getTile(n),c=t.transform.calculatePosMatrix(n,e.getSource().maxzoom);l.registerFadeDuration(t.style.animationLoop,r.paint["raster-fade-duration"]);var p=t.useProgram("raster");i.uniformMatrix4fv(p.u_matrix,!1,c),i.uniform1f(p.u_brightness_low,r.paint["raster-brightness-min"]),i.uniform1f(p.u_brightness_high,r.paint["raster-brightness-max"]),i.uniform1f(p.u_saturation_factor,s(r.paint["raster-saturation"])),i.uniform1f(p.u_contrast_factor,a(r.paint["raster-contrast"])),i.uniform3fv(p.u_spin_weights,o(r.paint["raster-hue-rotate"]));var h,f,d=l.sourceCache&&l.sourceCache.findLoadedParent(n,0,{}),m=u(l,d,r,t.transform);i.activeTexture(i.TEXTURE0),i.bindTexture(i.TEXTURE_2D,l.texture),i.activeTexture(i.TEXTURE1),d?(i.bindTexture(i.TEXTURE_2D,d.texture),h=Math.pow(2,d.coord.z-l.coord.z),f=[l.coord.x*h%1,l.coord.y*h%1]):i.bindTexture(i.TEXTURE_2D,l.texture),i.uniform2fv(p.u_tl_parent,f||[0,0]),i.uniform1f(p.u_scale_parent,h||1),i.uniform1f(p.u_buffer_scale,1),i.uniform1f(p.u_opacity0,m[0]),i.uniform1f(p.u_opacity1,m[1]),i.uniform1i(p.u_image0,0),i.uniform1i(p.u_image1,1);var y=l.boundsBuffer||t.rasterBoundsBuffer,v=l.boundsVAO||t.rasterBoundsVAO;v.bind(i,p,y),i.drawArrays(i.TRIANGLE_STRIP,0,y.length)}function o(t){t*=Math.PI/180;var e=Math.sin(t),r=Math.cos(t);return[(2*r+1)/3,(-Math.sqrt(3)*e-r+1)/3,(Math.sqrt(3)*e-r+1)/3]}function a(t){return t>0?1/(1-t):1+t}function s(t){return t>0?1-1/(1.001-t):-t}function u(t,e,r,n){var i=[1,0],o=r.paint["raster-fade-duration"];if(t.sourceCache&&o>0){var a=Date.now(),s=(a-t.timeAdded)/o,u=e?(a-e.timeAdded)/o:-1,c=t.sourceCache.getSource(),p=n.coveringZoomLevel({tileSize:c.tileSize,roundZoom:c.roundZoom}),h=!e||Math.abs(e.coord.z-p)>Math.abs(t.coord.z-p);i[0]=l.clamp(h?s:1-u,0,1),i[1]=e?1-i[0]:0}var f=r.paint["raster-opacity"];return i[0]*=f,i[1]*=f,i}var l=t("../util/util");e.exports=n},{"../util/util":127}],33:[function(t,e,r){"use strict";function n(t,e,r,n){if(!t.isOpaquePass){var o=!(r.layout["text-allow-overlap"]||r.layout["icon-allow-overlap"]||r.layout["text-ignore-placement"]||r.layout["icon-ignore-placement"]),a=t.gl;o?a.disable(a.STENCIL_TEST):a.enable(a.STENCIL_TEST),t.setDepthSublayer(0),t.depthMask(!1),i(t,e,r,n,!1,r.paint["icon-translate"],r.paint["icon-translate-anchor"],r.layout["icon-rotation-alignment"],r.layout["icon-rotation-alignment"],r.layout["icon-size"],r.paint["icon-halo-width"],r.paint["icon-halo-color"],r.paint["icon-halo-blur"],r.paint["icon-opacity"],r.paint["icon-color"]),i(t,e,r,n,!0,r.paint["text-translate"],r.paint["text-translate-anchor"],r.layout["text-rotation-alignment"],r.layout["text-pitch-alignment"],r.layout["text-size"],r.paint["text-halo-width"],r.paint["text-halo-color"],r.paint["text-halo-blur"],r.paint["text-opacity"],r.paint["text-color"]),e.map.showCollisionBoxes&&l(t,e,r,n)}}function i(t,e,r,n,i,s,u,l,c,p,h,f,d,m,y){if(i||!t.style.sprite||t.style.sprite.loaded()){var v=t.gl,g="map"===l,_="map"===c,x=_;x?v.enable(v.DEPTH_TEST):v.disable(v.DEPTH_TEST);for(var b,w=0,E=n;w<E.length;w+=1){var T=E[w],S=e.getTile(T),z=S.getBucket(r);if(z){var A=i?z.buffers.glyph:z.buffers.icon;if(A&&A.segments.length){var M=i||z.sdfIcons;b||(b=t.useProgram(M?"symbolSDF":"symbolIcon"),o(b,t,i,M,g,_,z.fontstack,p,z.iconsNeedLinear,i?z.adjustedTextSize:z.adjustedIconSize,m)),t.enableTileClippingMask(T),v.uniformMatrix4fv(b.u_matrix,!1,t.translatePosMatrix(T.posMatrix,S,s,u)),a(b,t,r,S,A,i,M,_,p,h,f,d,y)}}}x||v.enable(v.DEPTH_TEST)}}function o(t,e,r,n,i,o,a,s,l,c,p){var h=e.gl,f=e.transform;if(h.uniform1i(t.u_rotate_with_map,i),h.uniform1i(t.u_pitch_with_map,o),h.activeTexture(h.TEXTURE0),h.uniform1i(t.u_texture,0),r){var d=a&&e.glyphSource.getGlyphAtlas(a);if(!d)return;d.updateTexture(h),h.uniform2f(t.u_texsize,d.width/4,d.height/4)}else{var m=e.options.rotating||e.options.zooming,y=1!==s||u.devicePixelRatio!==e.spriteAtlas.pixelRatio||l,v=o||f.pitch;e.spriteAtlas.bind(h,n||m||y||v),h.uniform2f(t.u_texsize,e.spriteAtlas.width/4,e.spriteAtlas.height/4)}h.activeTexture(h.TEXTURE1),e.frameHistory.bind(h),h.uniform1i(t.u_fadetexture,1);var g=Math.log(s/c)/Math.LN2||0;h.uniform1f(t.u_zoom,10*(f.zoom-g)),h.uniform1f(t.u_pitch,f.pitch/360*2*Math.PI),h.uniform1f(t.u_bearing,f.bearing/360*2*Math.PI),h.uniform1f(t.u_aspect_ratio,f.width/f.height),h.uniform1f(t.u_opacity,p)}function a(t,e,r,n,i,o,a,u,l,m,y,v,g){var _=e.gl,x=e.transform,b=l/(o?24:1);if(u){var w=c(n,b,x.zoom);_.uniform2f(t.u_extrude_scale,w,w)}else{var E=x.cameraToCenterDistance*b;_.uniform2f(t.u_extrude_scale,x.pixelsToGLUnits[0]*E,x.pixelsToGLUnits[1]*E)}if(a){var T=b*(u?Math.cos(x._pitch):1)*x.cameraToCenterDistance;m&&(_.uniform1f(t.u_gamma,(v*h/p+d)/T),_.uniform4fv(t.u_color,y),_.uniform1f(t.u_buffer,(f-m/b)/p),s(i,r,_,t)),_.uniform1f(t.u_gamma,d/T),_.uniform4fv(t.u_color,g),_.uniform1f(t.u_buffer,.75)}s(i,r,_,t)}function s(t,e,r,n){for(var i=0,o=t.segments;i<o.length;i+=1){var a=o[i];a.vaos[e.id].bind(r,n,t.layoutVertexBuffer,t.elementBuffer,null,a.vertexOffset),r.drawElements(r.TRIANGLES,3*a.primitiveLength,r.UNSIGNED_SHORT,3*a.primitiveOffset*2)}}var u=t("../util/browser"),l=t("./draw_collision_debug"),c=t("../source/pixels_to_tile_units");e.exports=n;var p=8,h=1.19,f=6,d=.105/u.devicePixelRatio},{"../source/pixels_to_tile_units":45,"../util/browser":108,"./draw_collision_debug":27}],34:[function(t,e,r){"use strict";var n=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};n.prototype.record=function(t,e,r){var n=this;this.firstFrame&&(t=0,this.firstFrame=!1),e=Math.floor(10*e);var i;if(e<this.previousZoom)for(i=e+1;i<=this.previousZoom;i++)n.changeTimes[i]=t,n.changeOpacities[i]=n.opacities[i];else for(i=e;i>this.previousZoom;i--)n.changeTimes[i]=t,n.changeOpacities[i]=n.opacities[i];for(i=0;i<256;i++){var o=t-n.changeTimes[i],a=255*(r?o/r:1);i<=e?n.opacities[i]=n.changeOpacities[i]+a:n.opacities[i]=n.changeOpacities[i]-a}this.changed=!0,this.previousZoom=e},n.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.changed&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,256,1,t.ALPHA,t.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,256,1,0,t.ALPHA,t.UNSIGNED_BYTE,this.array))},e.exports=n},{}],35:[function(t,e,r){"use strict";var n=t("../util/util"),i=function(t,e){this.width=t,this.height=e,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}};i.prototype.setSprite=function(t){this.sprite=t},i.prototype.getDash=function(t,e){var r=t.join(",")+e;return this.positions[r]||(this.positions[r]=this.addDash(t,e)),this.positions[r]},i.prototype.addDash=function(t,e){var r=this,i=e?7:0,o=2*i+1,a=128;if(this.nextRow+o>this.height)return n.warnOnce("LineAtlas out of space"),null;for(var s=0,u=0;u<t.length;u++)s+=t[u];for(var l=this.width/s,c=l/2,p=t.length%2===1,h=-i;h<=i;h++)for(var f=r.nextRow+i+h,d=r.width*f,m=p?-t[t.length-1]:0,y=t[0],v=1,g=0;g<this.width;g++){for(;y<g/l;)m=y,y+=t[v],p&&v===t.length-1&&(y+=t[0]),v++;var _,x=Math.abs(g-m*l),b=Math.abs(g-y*l),w=Math.min(x,b),E=v%2===1;if(e){var T=i?h/i*(c+1):0;if(E){var S=c-Math.abs(T);_=Math.sqrt(w*w+S*S)}else _=c-Math.sqrt(w*w+T*T)}else _=(E?1:-1)*w;r.data[3+4*(d+g)]=Math.max(0,Math.min(255,_+a))}var z={y:(this.nextRow+i+.5)/this.height,height:2*i/this.height,width:s};return this.nextRow+=o,this.dirty=!0,z},i.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))},e.exports=i},{"../util/util":127}],36:[function(t,e,r){"use strict";var n=t("../util/browser"),i=t("@mapbox/gl-matrix").mat4,o=t("./frame_history"),a=t("../source/source_cache"),s=t("../data/extent"),u=t("../source/pixels_to_tile_units"),l=t("../util/util"),c=t("../data/buffer"),p=t("./vertex_array_object"),h=t("../data/raster_bounds_array"),f=t("../data/pos_array"),d=t("../data/program_configuration"),m=t("./shaders"),y={symbol:t("./draw_symbol"),circle:t("./draw_circle"),line:t("./draw_line"),fill:t("./draw_fill"),"fill-extrusion":t("./draw_fill_extrusion"),raster:t("./draw_raster"),background:t("./draw_background"),debug:t("./draw_debug")},v=function(t,e){this.gl=t,this.transform=e,this.reusableTextures={},this.preFbos={},this.frameHistory=new o,this.setup(),this.numSublayers=a.maxUnderzooming+a.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=t.getParameter(t.ALIASED_LINE_WIDTH_RANGE),this.basicFillProgramConfiguration=d.createStatic(["color","opacity"]),this.emptyProgramConfiguration=new d};v.prototype.resize=function(t,e){var r=this.gl;this.width=t*n.devicePixelRatio,this.height=e*n.devicePixelRatio,r.viewport(0,0,this.width,this.height)},v.prototype.setup=function(){var t=this.gl;t.verbose=!0,t.enable(t.BLEND),t.blendFunc(t.ONE,t.ONE_MINUS_SRC_ALPHA),t.enable(t.STENCIL_TEST),t.enable(t.DEPTH_TEST),t.depthFunc(t.LEQUAL),this._depthMask=!1,t.depthMask(!1);var e=new f;e.emplaceBack(0,0),e.emplaceBack(s,0),e.emplaceBack(0,s),e.emplaceBack(s,s),this.tileExtentBuffer=c.fromStructArray(e,c.BufferType.VERTEX),this.tileExtentVAO=new p,this.tileExtentPatternVAO=new p;var r=new f;r.emplaceBack(0,0),r.emplaceBack(s,0),r.emplaceBack(s,s),r.emplaceBack(0,s),r.emplaceBack(0,0),this.debugBuffer=c.fromStructArray(r,c.BufferType.VERTEX),this.debugVAO=new p;var n=new h;n.emplaceBack(0,0,0,0),n.emplaceBack(s,0,32767,0),n.emplaceBack(0,s,0,32767),n.emplaceBack(s,s,32767,32767),this.rasterBoundsBuffer=c.fromStructArray(n,c.BufferType.VERTEX),this.rasterBoundsVAO=new p},v.prototype.clearColor=function(){var t=this.gl;t.clearColor(0,0,0,0),t.clear(t.COLOR_BUFFER_BIT)},v.prototype.clearStencil=function(){var t=this.gl;t.clearStencil(0),t.stencilMask(255),t.clear(t.STENCIL_BUFFER_BIT)},v.prototype.clearDepth=function(){var t=this.gl;t.clearDepth(1),this.depthMask(!0),t.clear(t.DEPTH_BUFFER_BIT)},v.prototype._renderTileClippingMasks=function(t){var e=this,r=this.gl;r.colorMask(!1,!1,!1,!1),this.depthMask(!1),r.disable(r.DEPTH_TEST),r.enable(r.STENCIL_TEST),r.stencilMask(248),r.stencilOp(r.KEEP,r.KEEP,r.REPLACE);var n=1;this._tileClippingMaskIDs={};for(var i=0,o=t;i<o.length;i+=1){var a=o[i],s=e._tileClippingMaskIDs[a.id]=n++<<3;r.stencilFunc(r.ALWAYS,s,248);var u=e.useProgram("fill",e.basicFillProgramConfiguration);r.uniformMatrix4fv(u.u_matrix,!1,a.posMatrix),e.tileExtentVAO.bind(r,u,e.tileExtentBuffer),r.drawArrays(r.TRIANGLE_STRIP,0,e.tileExtentBuffer.length)}r.stencilMask(0),r.colorMask(!0,!0,!0,!0),this.depthMask(!0),r.enable(r.DEPTH_TEST)},v.prototype.enableTileClippingMask=function(t){var e=this.gl;e.stencilFunc(e.EQUAL,this._tileClippingMaskIDs[t.id],248)},v.prototype.prepareBuffers=function(){},v.prototype.bindDefaultFramebuffer=function(){var t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,null)},v.prototype.render=function(t,e){if(this.style=t,this.options=e,this.lineAtlas=t.lineAtlas,this.spriteAtlas=t.spriteAtlas,this.spriteAtlas.setSprite(t.sprite),this.glyphSource=t.glyphSource,this.frameHistory.record(Date.now(),this.transform.zoom,t.getTransition().duration),this.prepareBuffers(),this.clearColor(),this.clearDepth(),this.showOverdrawInspector(e.showOverdrawInspector),this.depthRange=(t._order.length+2)*this.numSublayers*this.depthEpsilon,this.isOpaquePass=!0,this.renderPass(),this.isOpaquePass=!1,this.renderPass(),this.options.showTileBoundaries){var r=this.style.sourceCaches[Object.keys(this.style.sourceCaches)[0]];y.debug(this,r,r.getVisibleCoordinates())}},v.prototype.renderPass=function(){var t,e,r=this,n=this.style._order;this.currentLayer=this.isOpaquePass?n.length-1:0;for(var i=0;i<n.length;i++){var o=r.style._layers[n[r.currentLayer]];o.source!==(t&&t.id)&&(t=r.style.sourceCaches[o.source],e=[],t&&(t.prepare&&t.prepare(),r.clearStencil(),e=t.getVisibleCoordinates(),t.getSource().isTileClipped&&r._renderTileClippingMasks(e)),r.isOpaquePass?r._showOverdrawInspector||r.gl.disable(r.gl.BLEND):(r.gl.enable(r.gl.BLEND),e.reverse())),r.renderLayer(r,t,o,e),r.currentLayer+=r.isOpaquePass?-1:1}},v.prototype.depthMask=function(t){t!==this._depthMask&&(this._depthMask=t,this.gl.depthMask(t))},v.prototype.renderLayer=function(t,e,r,n){r.isHidden(this.transform.zoom)||("background"===r.type||n.length)&&(this.id=r.id,y[r.type](t,e,r,n))},v.prototype.setDepthSublayer=function(t){var e=1-((1+this.currentLayer)*this.numSublayers+t)*this.depthEpsilon,r=e-1+this.depthRange;
this.gl.depthRange(r,e)},v.prototype.translatePosMatrix=function(t,e,r,n){if(!r[0]&&!r[1])return t;if("viewport"===n){var o=Math.sin(-this.transform.angle),a=Math.cos(-this.transform.angle);r=[r[0]*a-r[1]*o,r[0]*o+r[1]*a]}var s=[u(e,r[0],this.transform.zoom),u(e,r[1],this.transform.zoom),0],l=new Float32Array(16);return i.translate(l,t,s),l},v.prototype.saveTileTexture=function(t){var e=this.reusableTextures[t.size];e?e.push(t):this.reusableTextures[t.size]=[t]},v.prototype.saveViewportTexture=function(t){this.reusableTextures.viewport||(this.reusableTextures.viewport={}),this.reusableTextures.viewport.texture=t},v.prototype.getTileTexture=function(t,e){var r=this.reusableTextures[t];if(r){var n=r[e||t];return n&&n.length>0?n.pop():null}},v.prototype.getViewportTexture=function(t,e){if(this.reusableTextures.viewport){var r=this.reusableTextures.viewport.texture;return r.width===t&&r.height===e?r:(this.gl.deleteTexture(r),void(this.reusableTextures.viewport.texture=null))}},v.prototype.lineWidth=function(t){this.gl.lineWidth(l.clamp(t,this.lineWidthRange[0],this.lineWidthRange[1]))},v.prototype.showOverdrawInspector=function(t){if(t||this._showOverdrawInspector){this._showOverdrawInspector=t;var e=this.gl;if(t){e.blendFunc(e.CONSTANT_COLOR,e.ONE);var r=8,n=1/r;e.blendColor(n,n,n,0),e.clearColor(0,0,0,1),e.clear(e.COLOR_BUFFER_BIT)}else e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA)}},v.prototype.createProgram=function(t,e){var r=this.gl,i=r.createProgram(),o=m[t],a="#define MAPBOX_GL_JS\n#define DEVICE_PIXEL_RATIO "+n.devicePixelRatio.toFixed(1)+"\n";this._showOverdrawInspector&&(a+="#define OVERDRAW_INSPECTOR;\n");var s=r.createShader(r.FRAGMENT_SHADER);r.shaderSource(s,e.applyPragmas(a+m.prelude.fragmentSource+o.fragmentSource,"fragment")),r.compileShader(s),r.attachShader(i,s);var u=r.createShader(r.VERTEX_SHADER);r.shaderSource(u,e.applyPragmas(a+m.prelude.vertexSource+o.vertexSource,"vertex")),r.compileShader(u),r.attachShader(i,u),r.linkProgram(i);for(var l=r.getProgramParameter(i,r.ACTIVE_ATTRIBUTES),c={program:i,numAttributes:l},p=0;p<l;p++){var h=r.getActiveAttrib(i,p);c[h.name]=r.getAttribLocation(i,h.name)}for(var f=r.getProgramParameter(i,r.ACTIVE_UNIFORMS),d=0;d<f;d++){var y=r.getActiveUniform(i,d);c[y.name]=r.getUniformLocation(i,y.name)}return c},v.prototype._createProgramCached=function(t,e){this.cache=this.cache||{};var r=""+t+(e.cacheKey||"")+(this._showOverdrawInspector?"/overdraw":"");return this.cache[r]||(this.cache[r]=this.createProgram(t,e)),this.cache[r]},v.prototype.useProgram=function(t,e){var r=this.gl,n=this._createProgramCached(t,e||this.emptyProgramConfiguration);return this.currentProgram!==n&&(r.useProgram(n.program),this.currentProgram=n),n},e.exports=v},{"../data/buffer":8,"../data/extent":11,"../data/pos_array":14,"../data/program_configuration":15,"../data/raster_bounds_array":16,"../source/pixels_to_tile_units":45,"../source/source_cache":49,"../util/browser":108,"../util/util":127,"./draw_background":25,"./draw_circle":26,"./draw_debug":28,"./draw_fill":29,"./draw_fill_extrusion":30,"./draw_line":31,"./draw_raster":32,"./draw_symbol":33,"./frame_history":34,"./shaders":38,"./vertex_array_object":39,"@mapbox/gl-matrix":131}],37:[function(t,e,r){"use strict";var n=t("../source/pixels_to_tile_units");r.prepare=function(t,e,r){var n=e.gl,i=e.spriteAtlas.getPosition(t.from,!0),o=e.spriteAtlas.getPosition(t.to,!0);i&&o&&(n.uniform1i(r.u_image,0),n.uniform2fv(r.u_pattern_tl_a,i.tl),n.uniform2fv(r.u_pattern_br_a,i.br),n.uniform2fv(r.u_pattern_tl_b,o.tl),n.uniform2fv(r.u_pattern_br_b,o.br),n.uniform1f(r.u_mix,t.t),n.uniform2fv(r.u_pattern_size_a,i.size),n.uniform2fv(r.u_pattern_size_b,o.size),n.uniform1f(r.u_scale_a,t.fromScale),n.uniform1f(r.u_scale_b,t.toScale),n.activeTexture(n.TEXTURE0),e.spriteAtlas.bind(n,!0))},r.setTile=function(t,e,r){var i=e.gl;i.uniform1f(r.u_tile_units_to_pixels,1/n(t,1,e.transform.tileZoom));var o=Math.pow(2,t.coord.z),a=t.tileSize*Math.pow(2,e.transform.tileZoom)/o,s=a*(t.coord.x+t.coord.w*o),u=a*t.coord.y;i.uniform2f(r.u_pixel_coord_upper,s>>16,u>>16),i.uniform2f(r.u_pixel_coord_lower,65535&s,65535&u)}},{"../source/pixels_to_tile_units":45}],38:[function(t,e,r){"use strict";t("path");e.exports={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\nfloat evaluate_zoom_function_1(const vec4 values, const float t) {\n    if (t < 1.0) {\n        return mix(values[0], values[1], t);\n    } else if (t < 2.0) {\n        return mix(values[1], values[2], t - 1.0);\n    } else {\n        return mix(values[2], values[3], t - 2.0);\n    }\n}\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n    if (t < 1.0) {\n        return mix(value0, value1, t);\n    } else if (t < 2.0) {\n        return mix(value1, value2, t - 1.0);\n    } else {\n        return mix(value2, value3, t - 2.0);\n    }\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 lowp 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 lowp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main() {\n    #pragma mapbox: initialize lowp 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 lowp vec4 stroke_color\n    #pragma mapbox: initialize mediump float stroke_width\n    #pragma mapbox: initialize lowp float stroke_opacity\n\n    float extrude_length = length(v_extrude);\n    float antialiased_blur = -max(blur, v_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 vec2 u_extrude_scale;\n\nattribute vec2 a_pos;\n\n#pragma mapbox: define lowp 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 lowp vec4 stroke_color\n#pragma mapbox: define mediump float stroke_width\n#pragma mapbox: define lowp float stroke_opacity\n\nvarying vec2 v_extrude;\nvarying lowp float v_antialiasblur;\n\nvoid main(void) {\n    #pragma mapbox: initialize lowp 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 lowp 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    v_extrude = vec2(mod(a_pos, 2.0) * 2.0 - 1.0);\n\n    vec2 extrude = v_extrude * (radius + stroke_width) * u_extrude_scale;\n    // multiply a_pos by 0.5, since we had it * 2 in order to sneak\n    // in extrusion data\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5), 0, 1);\n\n    if (u_scale_with_map) {\n        gl_Position.xy += extrude;\n    } else {\n        gl_Position.xy += extrude * gl_Position.w;\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    v_antialiasblur = 1.0 / DEVICE_PIXEL_RATIO / (radius + stroke_width);\n}\n"},collisionBox:{fragmentSource:"uniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n    float alpha = 0.5;\n\n    gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n    if (v_placement_zoom > u_zoom) {\n        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n    }\n\n    if (u_zoom >= v_max_zoom) {\n        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n    }\n\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_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n    v_max_zoom = a_data.x;\n    v_placement_zoom = a_data.y;\n}\n"},debug:{fragmentSource:"uniform lowp 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, step(32767.0, a_pos.x), 1);\n}\n"},fill:{fragmentSource:"#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp 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 lowp vec4 color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp 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 lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 outline_color\n    #pragma mapbox: initialize lowp float opacity\n\n    float dist = length(v_pos - gl_FragCoord.xy);\n    float alpha = smoothstep(1.0, 0.0, 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 lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp 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 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_pattern_br_a, 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_pattern_br_b, 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 = smoothstep(1.0, 0.0, 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 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_pattern_br_a, 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_pattern_br_b, 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 lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\n\n    gl_FragColor = v_color;\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform vec3 u_lightcolor;\nuniform lowp vec3 u_lightpos;\nuniform lowp float u_lightintensity;\nuniform lowp vec4 u_outline_color;\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 lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp float base\n    #pragma mapbox: initialize lowp float height\n    #pragma mapbox: initialize lowp vec4 color\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#ifdef OUTLINE\n    color = u_outline_color;\n#endif\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 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_pattern_br_a, 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_pattern_br_b, 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    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_texture;\nuniform float u_opacity;\n\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_FragColor = texture2D(u_texture, v_pos) * u_opacity;\n}\n",vertexSource:"uniform mat4 u_matrix;\nuniform int u_xdim;\nuniform int u_ydim;\nattribute vec2 a_pos;\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n\n    v_pos.x = a_pos.x / float(u_xdim);\n    v_pos.y = 1.0 - a_pos.y / float(u_ydim);\n}\n"},line:{fragmentSource:"#pragma mapbox: define lowp 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 lowp 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 vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_width;\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 lowp 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\nvoid main() {\n    #pragma mapbox: initialize lowp 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\n    vec2 a_extrude = a_data.xy - 128.0;\n    float a_direction = mod(a_data.z, 4.0) - 1.0;\n\n    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\n    v_normal = normal;\n\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 width = u_width / 2.0;\n    offset = -1.0 * offset; \n\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (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    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\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 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_pattern_br_a, vec2(x_a, y_a));\n    vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, 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 vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_width;\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\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\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    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\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 width = u_width / 2.0;\n    offset = -1.0 * offset; \n\n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (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    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\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 lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n    #pragma mapbox: initialize lowp 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    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, 0.5 + u_sdfgamma, 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 vec2 a_pos;\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;\nuniform mediump float u_width;\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 lowp 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\nvoid main() {\n    #pragma mapbox: initialize lowp 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\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    // We store the texture normals in the most insignificant bit\n    // transform y so that 0 => -1 and 1 => 1\n    // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n    // y is 1 if the normal points up, and -1 if it points down\n    mediump vec2 normal = mod(a_pos, 2.0);\n    normal.y = sign(normal.y - 0.5);\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 width = u_width / 2.0;\n    offset = -1.0 * offset;\n \n    float inset = gapwidth + (gapwidth > 0.0 ? ANTIALIASING : 0.0);\n    float outset = gapwidth + width * (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    // Remove the texture normal bit to get the position\n    vec2 pos = floor(a_pos * 0.5);\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, normal.y * u_patternscale_a.y + u_tex_y_a);\n    v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n    v_width2 = vec2(outset, inset);\n}\n"},raster:{fragmentSource:"uniform float u_opacity0;\nuniform float u_opacity1;\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    vec4 color = color0 * u_opacity0 + color1 * u_opacity1;\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);\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    v_pos0 = (((a_texture_pos / 32767.0) - 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;\nuniform lowp float u_opacity;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * u_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:"attribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n    if (u_rotate_with_map) {\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    } else {\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},symbolSDF:{fragmentSource:"uniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform lowp float u_buffer;\nuniform lowp float u_gamma;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    lowp float dist = texture2D(u_texture, v_tex).a;\n    lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n    lowp float gamma = u_gamma * v_gamma_scale;\n    lowp float alpha = smoothstep(u_buffer - gamma, u_buffer + gamma, dist) * fade_alpha;\n\n    gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"const float PI = 3.141592653589793;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform bool u_pitch_with_map;\nuniform mediump float u_pitch;\nuniform mediump float u_bearing;\nuniform mediump float u_aspect_ratio;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n    vec2 a_tex = a_texture_pos.xy;\n    mediump float a_labelminzoom = a_data[0];\n    mediump vec2 a_zoom = a_data.pq;\n    mediump float a_minzoom = a_zoom[0];\n    mediump float a_maxzoom = a_zoom[1];\n\n    // u_zoom is the current zoom level adjusted for the change in font size\n    mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n    // pitch-alignment: map\n    // rotation-alignment: map | viewport\n    if (u_pitch_with_map) {\n        lowp float angle = u_rotate_with_map ? (a_data[1] / 256.0 * 2.0 * PI) : u_bearing;\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, asin, -1.0 * asin, acos);\n        vec2 offset = RotationMatrix * a_offset;\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: map\n    } else if (u_rotate_with_map) {\n        // foreshortening factor to apply on pitched maps\n        // as a label goes from horizontal <=> vertical in angle\n        // it goes from 0% foreshortening to up to around 70% foreshortening\n        lowp float pitchfactor = 1.0 - cos(u_pitch * sin(u_pitch * 0.75));\n\n        lowp float lineangle = a_data[1] / 256.0 * 2.0 * PI;\n\n        // use the lineangle to position points a,b along the line\n        // project the points and calculate the label angle in projected space\n        // this calculation allows labels to be rendered unskewed on pitched maps\n        vec4 a = u_matrix * vec4(a_pos, 0, 1);\n        vec4 b = u_matrix * vec4(a_pos + vec2(cos(lineangle),sin(lineangle)), 0, 1);\n        lowp float angle = atan((b[1]/b[3] - a[1]/a[3])/u_aspect_ratio, b[0]/b[3] - a[0]/a[3]);\n        lowp float asin = sin(angle);\n        lowp float acos = cos(angle);\n        mat2 RotationMatrix = mat2(acos, -1.0 * asin, asin, acos);\n\n        vec2 offset = RotationMatrix * (vec2((1.0-pitchfactor)+(pitchfactor*cos(angle*2.0)), 1.0) * a_offset);\n        vec2 extrude = u_extrude_scale * (offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n        gl_Position.z += z * gl_Position.w;\n    // pitch-alignment: viewport\n    // rotation-alignment: viewport\n    } else {\n        vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n        gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n    }\n\n    v_gamma_scale = gl_Position.w;\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"}}},{path:191}],39:[function(t,e,r){"use strict";var n=function(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundElementBuffer=null,this.boundVertexOffset=null,this.vao=null};n.prototype.bind=function(t,e,r,n,i,o){void 0===t.extVertexArrayObject&&(t.extVertexArrayObject=t.getExtension("OES_vertex_array_object"));var a=!this.vao||this.boundProgram!==e||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==i||this.boundElementBuffer!==n||this.boundVertexOffset!==o;!t.extVertexArrayObject||a?(this.freshBind(t,e,r,n,i,o),this.gl=t):t.extVertexArrayObject.bindVertexArrayOES(this.vao)},n.prototype.freshBind=function(t,e,r,n,i,o){var a,s=e.numAttributes;if(t.extVertexArrayObject)this.vao&&this.destroy(),this.vao=t.extVertexArrayObject.createVertexArrayOES(),t.extVertexArrayObject.bindVertexArrayOES(this.vao),a=0,this.boundProgram=e,this.boundVertexBuffer=r,this.boundVertexBuffer2=i,this.boundElementBuffer=n,this.boundVertexOffset=o;else{a=t.currentNumAttributes||0;for(var u=s;u<a;u++)t.disableVertexAttribArray(u)}for(var l=a;l<s;l++)t.enableVertexAttribArray(l);r.bind(t),r.setVertexAttribPointers(t,e,o),i&&(i.bind(t),i.setVertexAttribPointers(t,e,o)),n&&n.bind(t),t.currentNumAttributes=s},n.prototype.destroy=function(){this.vao&&(this.gl.extVertexArrayObject.deleteVertexArrayOES(this.vao),this.vao=null)},e.exports=n},{}],40:[function(t,e,r){"use strict";function n(t){var e=a.document.createElement("a");return e.href=t,e.href}var i=t("../util/evented"),o=t("../util/util"),a=t("../util/window"),s=t("../data/extent"),u=function(t){function e(e,r,n,i){var a=this;t.call(this),r=r||{},this.id=e,this.type="geojson",this.minzoom=0,this.maxzoom=18,this.tileSize=512,this.isTileClipped=!0,this.reparseOverscaled=!0,this.dispatcher=n,this._data=r.data,void 0!==r.maxzoom&&(this.maxzoom=r.maxzoom),r.type&&(this.type=r.type);var u=s/this.tileSize;this.workerOptions=o.extend({source:this.id,cluster:r.cluster||!1,geojsonVtOptions:{buffer:(void 0!==r.buffer?r.buffer:128)*u,tolerance:(void 0!==r.tolerance?r.tolerance:.375)*u,extent:s,maxZoom:this.maxzoom},superclusterOptions:{maxZoom:Math.min(r.clusterMaxZoom,this.maxzoom-1)||this.maxzoom-1,extent:s,radius:(r.clusterRadius||50)*u,log:!1}},r.workerOptions),this.setEventedParent(i),this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?void a.fire("error",{error:t}):(a.fire("data",{dataType:"source"}),void a.fire("source.load"))})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.onAdd=function(t){this.map=t},e.prototype.setData=function(t){var e=this;return this._data=t,this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?e.fire("error",{error:t}):void e.fire("data",{dataType:"source"})}),this},e.prototype._updateWorkerData=function(t){var e=this,r=o.extend({},this.workerOptions),i=this._data;"string"==typeof i?r.url=n(i):r.data=JSON.stringify(i),this.workerID=this.dispatcher.send(this.type+".loadData",r,function(r){e._loaded=!0,t(r)})},e.prototype.loadTile=function(t,e){var r=this,n=t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,i={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:n,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("loadTile",i,function(n,i){if(t.unloadVectorData(),!t.aborted)return n?e(n):(t.loadVectorData(i,r.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(r)),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{type:this.type,data:this._data}},e}(i);e.exports=u},{"../data/extent":11,"../util/evented":116,"../util/util":127,"../util/window":110}],41:[function(t,e,r){"use strict";var n=t("../util/ajax"),i=t("geojson-rewind"),o=t("./geojson_wrapper"),a=t("vt-pbf"),s=t("supercluster"),u=t("geojson-vt"),l=t("./vector_tile_worker_source"),c=function(t){function e(e,r,n){t.call(this,e,r),n&&(this.loadGeoJSON=n),this._geoJSONIndexes={}}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.loadVectorData=function(t,e){var r=t.source,n=t.coord;if(!this._geoJSONIndexes[r])return e(null,null);var i=this._geoJSONIndexes[r].getTile(Math.min(n.z,t.maxZoom),n.x,n.y);if(!i)return e(null,null);var s=new o(i.features);s.name="_geojsonTileLayer";var u=a({layers:{_geojsonTileLayer:s}});0===u.byteOffset&&u.byteLength===u.buffer.byteLength||(u=new Uint8Array(u)),s.rawData=u.buffer,e(null,s)},e.prototype.loadData=function(t,e){var r=function(r,n){var o=this;return r?e(r):"object"!=typeof n?e(new Error("Input data is not a valid GeoJSON object.")):(i(n,!0),void this._indexData(n,t,function(r,n){return r?e(r):(o._geoJSONIndexes[t.source]=n,void e(null))}))}.bind(this);this.loadGeoJSON(t,r)},e.prototype.loadGeoJSON=function(t,e){if(t.url)n.getJSON(t.url,e);else{if("string"!=typeof t.data)return e(new Error("Input data is not a valid GeoJSON object."));try{return e(null,JSON.parse(t.data))}catch(t){return e(new Error("Input data is not a valid GeoJSON object."))}}},e.prototype.removeSource=function(t){this._geoJSONIndexes[t.source]&&delete this._geoJSONIndexes[t.source]},e.prototype._indexData=function(t,e,r){try{e.cluster?r(null,s(e.superclusterOptions).load(t.features)):r(null,u(t,e.geojsonVtOptions))}catch(t){return r(t)}},e}(l);e.exports=c},{"../util/ajax":107,"./geojson_wrapper":42,"./vector_tile_worker_source":53,"geojson-rewind":137,"geojson-vt":141,supercluster:198,"vt-pbf":208}],42:[function(t,e,r){"use strict";var n=t("point-geometry"),i=t("vector-tile").VectorTileFeature,o=t("../data/extent"),a=function(t){var e=this;if(this.type=t.type,1===t.type){this.rawGeometry=[];for(var r=0;r<t.geometry.length;r++)e.rawGeometry.push([t.geometry[r]])}else this.rawGeometry=t.geometry;this.properties=t.tags,this.extent=o};a.prototype.loadGeometry=function(){var t=this,e=this.rawGeometry;this.geometry=[];for(var r=0;r<e.length;r++){for(var i=e[r],o=[],a=0;a<i.length;a++)o.push(new n(i[a][0],i[a][1]));t.geometry.push(o)}return this.geometry},a.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var t=this.geometry,e=1/0,r=-(1/0),n=1/0,i=-(1/0),o=0;o<t.length;o++)for(var a=t[o],s=0;s<a.length;s++){var u=a[s];e=Math.min(e,u.x),r=Math.max(r,u.x),n=Math.min(n,u.y),i=Math.max(i,u.y)}return[e,n,r,i]},a.prototype.toGeoJSON=function(){i.prototype.toGeoJSON.call(this)};var s=function(t){this.features=t,this.length=t.length,this.extent=o};s.prototype.feature=function(t){return new a(this.features[t])},e.exports=s},{"../data/extent":11,"point-geometry":194,"vector-tile":204}],43:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../util/window"),o=t("./tile_coord"),a=t("../geo/lng_lat"),s=t("point-geometry"),u=t("../util/evented"),l=t("../util/ajax"),c=t("../data/extent"),p=t("../data/raster_bounds_array"),h=t("../data/buffer"),f=t("../render/vertex_array_object"),d=function(t){function e(e,r,n,i){t.call(this),this.id=e,this.dispatcher=n,this.coordinates=r.coordinates,this.minzoom=0,this.maxzoom=22,this.tileSize=512,this.setEventedParent(i),this.fire("dataloading",{dataType:"source"}),this._load(r)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype._load=function(t){var e=this;this.url=t.url,l.getImage(t.url,function(t,r){return t?e.fire("error",{error:t}):(e.image=r,void e._finishLoading())})},e.prototype._finishLoading=function(){this.fire("source.load"),this.map&&this.setCoordinates(this.coordinates)},e.prototype.onAdd=function(t){this.map=t,this.image&&this.setCoordinates(this.coordinates)},e.prototype.setCoordinates=function(t){this.coordinates=t;var e=this.map,r=t.map(function(t){return e.transform.locationCoordinate(a.convert(t)).zoomTo(0)}),i=this.centerCoord=n.getCoordinatesCenter(r);return i.column=Math.round(i.column),i.row=Math.round(i.row),this.minzoom=this.maxzoom=i.zoom,this.coord=new o(i.zoom,i.column,i.row),this._tileCoords=r.map(function(t){var e=t.zoomTo(i.zoom);return new s(Math.round((e.column-i.column)*c),Math.round((e.row-i.row)*c))}),this.fire("data",{dataType:"source"}),this},e.prototype._setTile=function(t){this.tile=t;var e=32767,r=new p;r.emplaceBack(this._tileCoords[0].x,this._tileCoords[0].y,0,0),r.emplaceBack(this._tileCoords[1].x,this._tileCoords[1].y,e,0),r.emplaceBack(this._tileCoords[3].x,this._tileCoords[3].y,0,e),r.emplaceBack(this._tileCoords[2].x,this._tileCoords[2].y,e,e),this.tile.buckets={},this.tile.boundsBuffer=h.fromStructArray(r,h.BufferType.VERTEX),this.tile.boundsVAO=new f},e.prototype.prepare=function(){this.tile&&this.image&&this._prepareImage(this.map.painter.gl,this.image)},e.prototype._prepareImage=function(t,e){"loaded"!==this.tile.state?(this.tile.state="loaded",this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),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,t.RGBA,t.UNSIGNED_BYTE,e)):e instanceof i.HTMLVideoElement&&(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,e))},e.prototype.loadTile=function(t,e){this.coord&&this.coord.toString()===t.coord.toString()?(this._setTile(t),e(null)):(t.state="errored",e(null))},e.prototype.serialize=function(){return{type:"image",urls:this.url,coordinates:this.coordinates}},e}(u);e.exports=d},{"../data/buffer":8,"../data/extent":11,"../data/raster_bounds_array":16,"../geo/lng_lat":19,"../render/vertex_array_object":39,"../util/ajax":107,"../util/evented":116,"../util/util":127,"../util/window":110,"./tile_coord":51,"point-geometry":194}],44:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../util/ajax"),o=t("../util/browser"),a=t("../util/mapbox").normalizeSourceURL;e.exports=function(t,e){var r=function(t,r){if(t)return e(t);var i=n.pick(r,["tiles","minzoom","maxzoom","attribution"]);r.vector_layers&&(i.vectorLayers=r.vector_layers,i.vectorLayerIds=i.vectorLayers.map(function(t){return t.id})),e(null,i)};t.url?i.getJSON(a(t.url),r):o.frame(r.bind(null,null,t))}},{"../util/ajax":107,"../util/browser":108,"../util/mapbox":123,"../util/util":127}],45:[function(t,e,r){"use strict";var n=t("../data/extent");e.exports=function(t,e,r){return e*(n/(t.tileSize*Math.pow(2,r-t.coord.z)))}},{"../data/extent":11}],46:[function(t,e,r){"use strict";function n(t,e){var r=t.coord,n=e.coord;return r.z-n.z||r.y-n.y||r.w-n.w||r.x-n.x}function i(t){for(var e=t[0]||{},r=1;r<t.length;r++){var n=t[r];for(var i in n){var o=n[i],a=e[i];if(void 0===a)a=e[i]=o;else for(var s=0;s<o.length;s++)a.push(o[s])}}return e}var o=t("./tile_coord");r.rendered=function(t,e,r,o,a,s){var u=t.tilesIn(r);u.sort(n);for(var l=[],c=0;c<u.length;c++){var p=u[c];p.tile.featureIndex&&l.push(p.tile.featureIndex.query({queryGeometry:p.queryGeometry,scale:p.scale,tileSize:p.tile.tileSize,bearing:s,params:o},e))}return i(l)},r.source=function(t,e){for(var r=t.getRenderableIds().map(function(e){return t.getTileByID(e)}),n=[],i={},a=0;a<r.length;a++){var s=r[a],u=new o(Math.min(s.sourceMaxZoom,s.coord.z),s.coord.x,s.coord.y,0).id;i[u]||(i[u]=!0,s.querySourceFeatures(n,e))}return n}},{"./tile_coord":51}],47:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../util/ajax"),o=t("../util/evented"),a=t("./load_tilejson"),s=t("../util/mapbox").normalizeTileURL,u=function(t){function e(e,r,i,o){var s=this;t.call(this),this.id=e,this.dispatcher=i,this.minzoom=0,this.maxzoom=22,this.roundZoom=!0,this.scheme="xyz",this.tileSize=512,this._loaded=!1,n.extend(this,n.pick(r,["url","scheme","tileSize"])),this.setEventedParent(o),this.fire("dataloading",{dataType:"source"}),a(r,function(t,e){return t?s.fire("error",t):(n.extend(s,e),s.fire("data",{dataType:"source"}),void s.fire("source.load"))})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.onAdd=function(t){this.map=t},e.prototype.serialize=function(){return{type:"raster",url:this.url,tileSize:this.tileSize,tiles:this.tiles}},e.prototype.loadTile=function(t,e){function r(r,n){if(delete t.request,t.aborted)return this.state="unloaded",e(null);if(r)return this.state="errored",e(r);var i=this.map.painter.gl;t.texture=this.map.painter.getTileTexture(n.width),t.texture?(i.bindTexture(i.TEXTURE_2D,t.texture),i.texSubImage2D(i.TEXTURE_2D,0,0,0,i.RGBA,i.UNSIGNED_BYTE,n)):(t.texture=i.createTexture(),i.bindTexture(i.TEXTURE_2D,t.texture),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MIN_FILTER,i.LINEAR_MIPMAP_NEAREST),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_MAG_FILTER,i.LINEAR),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_S,i.CLAMP_TO_EDGE),i.texParameteri(i.TEXTURE_2D,i.TEXTURE_WRAP_T,i.CLAMP_TO_EDGE),i.pixelStorei(i.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),i.texImage2D(i.TEXTURE_2D,0,i.RGBA,i.RGBA,i.UNSIGNED_BYTE,n),t.texture.size=n.width),i.generateMipmap(i.TEXTURE_2D),t.state="loaded",e(null)}var n=s(t.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);t.request=i.getImage(n,r.bind(this))},e.prototype.abortTile=function(t){t.request&&(t.request.abort(),delete t.request)},e.prototype.unloadTile=function(t){t.texture&&this.map.painter.saveTileTexture(t.texture)},e}(o);e.exports=u},{"../util/ajax":107,"../util/evented":116,"../util/mapbox":123,"../util/util":127,"./load_tilejson":44}],48:[function(t,e,r){"use strict";var n=t("../util/util"),i={vector:t("../source/vector_tile_source"),raster:t("../source/raster_tile_source"),geojson:t("../source/geojson_source"),video:t("../source/video_source"),image:t("../source/image_source")};r.create=function(t,e,r,o){if(e=new i[e.type](t,e,r,o),e.setEventedParent(o),e.id!==t)throw new Error("Expected Source id to be "+t+" instead of "+e.id);return n.bindAll(["load","abort","unload","serialize","prepare"],e),e},r.getType=function(t){return i[t]},r.setType=function(t,e){i[t]=e}},{"../source/geojson_source":40,"../source/image_source":43,"../source/raster_tile_source":47,"../source/vector_tile_source":52,"../source/video_source":54,"../util/util":127}],49:[function(t,e,r){"use strict";function n(t,e,r){var n=r.zoomTo(Math.min(t.z,e));return{x:(n.column-(t.x+t.w*Math.pow(2,t.z)))*h,y:(n.row-t.y)*h}}function i(t,e){return t%32-e%32}var o=t("./source"),a=t("./tile"),s=t("../util/evented"),u=t("./tile_coord"),l=t("../util/lru_cache"),c=t("../geo/coordinate"),p=t("../util/util"),h=t("../data/extent"),f=function(t){function e(e,r,n){t.call(this),this.id=e,this.dispatcher=n,this._source=o.create(e,r,n,this),this.on("source.load",function(){this.map&&this._source.onAdd&&this._source.onAdd(this.map),this._sourceLoaded=!0}),this.on("error",function(){this._sourceErrored=!0}),this.on("data",function(t){this._sourceLoaded&&"source"===t.dataType&&(this.reload(),this.transform&&this.update(this.transform))}),this._tiles={},this._cache=new l(0,this.unloadTile.bind(this)),this._isIdRenderable=this._isIdRenderable.bind(this)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.onAdd=function(t){this.map=t,this._source&&this._source.onAdd&&this._source.onAdd(t)},e.prototype.onRemove=function(t){this._source&&this._source.onRemove&&this._source.onRemove(t)},e.prototype.loaded=function(){var t=this;if(this._sourceErrored)return!0;if(!this._sourceLoaded)return!1;for(var e in this._tiles){var r=t._tiles[e];if("loaded"!==r.state&&"errored"!==r.state)return!1}return!0},e.prototype.getSource=function(){return this._source},e.prototype.loadTile=function(t,e){return this._source.loadTile(t,e)},e.prototype.unloadTile=function(t){if(this._source.unloadTile)return this._source.unloadTile(t)},e.prototype.abortTile=function(t){if(this._source.abortTile)return this._source.abortTile(t)},e.prototype.serialize=function(){return this._source.serialize()},e.prototype.prepare=function(){if(this._sourceLoaded&&this._source.prepare)return this._source.prepare()},e.prototype.getIds=function(){return Object.keys(this._tiles).map(Number).sort(i)},e.prototype.getRenderableIds=function(){return this.getIds().filter(this._isIdRenderable)},e.prototype._isIdRenderable=function(t){return this._tiles[t].hasData()&&!this._coveredTiles[t]},e.prototype.reload=function(){var t=this;this._cache.reset();for(var e in this._tiles){var r=t._tiles[e];"loading"!==r.state&&(r.state="reloading"),t.loadTile(t._tiles[e],t._tileLoaded.bind(t,t._tiles[e]))}},e.prototype._tileLoaded=function(t,e){return e?(t.state="errored",void this._source.fire("error",{tile:t,error:e})):(t.sourceCache=this,t.timeAdded=(new Date).getTime(),this._source.fire("data",{tile:t,coord:t.coord,dataType:"tile"}),void(this.map&&(this.map.painter.tileExtentVAO.vao=null)))},e.prototype.getTile=function(t){return this.getTileByID(t.id)},e.prototype.getTileByID=function(t){return this._tiles[t]},e.prototype.getZoom=function(t){return t.zoom+t.scaleZoom(t.tileSize/this._source.tileSize)},e.prototype.findLoadedChildren=function(t,e,r){var n=this,i=!1;for(var o in this._tiles){var a=n._tiles[o];if(!(r[o]||!a.hasData()||a.coord.z<=t.z||a.coord.z>e)){var s=Math.pow(2,Math.min(a.coord.z,n._source.maxzoom)-Math.min(t.z,n._source.maxzoom));if(Math.floor(a.coord.x/s)===t.x&&Math.floor(a.coord.y/s)===t.y)for(r[o]=!0,i=!0;a&&a.coord.z-1>t.z;){var u=a.coord.parent(n._source.maxzoom).id;a=n._tiles[u],a&&a.hasData()&&(delete r[o],r[u]=!0)}}}return i},e.prototype.findLoadedParent=function(t,e,r){for(var n=this,i=t.z-1;i>=e;i--){t=t.parent(n._source.maxzoom);var o=n._tiles[t.id];if(o&&o.hasData())return r[t.id]=!0,o;if(n._cache.has(t.id))return n.addTile(t),r[t.id]=!0,n._tiles[t.id]}},e.prototype.updateCacheSize=function(t){var e=Math.ceil(t.width/t.tileSize)+1,r=Math.ceil(t.height/t.tileSize)+1,n=e*r,i=5;this._cache.setMaxSize(Math.floor(n*i))},e.prototype.update=function(t){var r=this;if(this._sourceLoaded){var n,i,o;this.updateCacheSize(t);var a=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(t)),s=Math.max(a-e.maxOverzooming,this._source.minzoom),l=Math.max(a+e.maxUnderzooming,this._source.minzoom),c={};this._coveredTiles={};var h;for(h=this.used?this._source.coord?[this._source.coord]:t.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}):[],n=0;n<h.length;n++)i=h[n],o=r.addTile(i),c[i.id]=!0,o.hasData()||r.findLoadedChildren(i,l,c)||r.findLoadedParent(i,s,c);for(var f={},d=Object.keys(c),m=0;m<d.length;m++){var y=d[m];i=u.fromID(y),o=r._tiles[y],o&&o.fadeEndTime>=Date.now()&&(r.findLoadedChildren(i,l,c)&&(c[y]=!0),r.findLoadedParent(i,s,f))}var v;for(v in f)c[v]||(r._coveredTiles[v]=!0);for(v in f)c[v]=!0;var g=p.keysDifference(this._tiles,c);for(n=0;n<g.length;n++)r.removeTile(+g[n]);this.transform=t}},e.prototype.addTile=function(t){var e=this._tiles[t.id];if(e)return e;var r=t.wrapped();if(e=this._tiles[r.id],e||(e=this._cache.get(r.id),e&&e.redoPlacement(this._source)),!e){var n=t.z,i=n>this._source.maxzoom?Math.pow(2,n-this._source.maxzoom):1;e=new a(r,this._source.tileSize*i,this._source.maxzoom),this.loadTile(e,this._tileLoaded.bind(this,e))}return e.uses++,this._tiles[t.id]=e,this._source.fire("dataloading",{tile:e,coord:e.coord,dataType:"tile"}),e},e.prototype.removeTile=function(t){var e=this._tiles[t];e&&(e.uses--,delete this._tiles[t],this._source.fire("data",{tile:e,coord:e.coord,dataType:"tile"}),e.uses>0||(e.hasData()?this._cache.add(e.coord.wrapped().id,e):(e.aborted=!0,this.abortTile(e),this.unloadTile(e))))},e.prototype.clearTiles=function(){var t=this;for(var e in this._tiles)t.removeTile(e);this._cache.reset()},e.prototype.tilesIn=function(t){for(var e=this,r={},i=this.getIds(),o=1/0,a=1/0,s=-(1/0),l=-(1/0),p=t[0].zoom,f=0;f<t.length;f++){var d=t[f];o=Math.min(o,d.column),a=Math.min(a,d.row),s=Math.max(s,d.column),l=Math.max(l,d.row)}for(var m=0;m<i.length;m++){var y=e._tiles[i[m]],v=u.fromID(i[m]),g=[n(v,y.sourceMaxZoom,new c(o,a,p)),n(v,y.sourceMaxZoom,new c(s,l,p))];if(g[0].x<h&&g[0].y<h&&g[1].x>=0&&g[1].y>=0){for(var _=[],x=0;x<t.length;x++)_.push(n(v,y.sourceMaxZoom,t[x]));var b=r[y.coord.id];void 0===b&&(b=r[y.coord.id]={tile:y,coord:v,
queryGeometry:[],scale:Math.pow(2,e.transform.zoom-y.coord.z)}),b.queryGeometry.push(_)}}var w=[];for(var E in r)w.push(r[E]);return w},e.prototype.redoPlacement=function(){for(var t=this,e=this.getIds(),r=0;r<e.length;r++){var n=t.getTileByID(e[r]);n.redoPlacement(t._source)}},e.prototype.getVisibleCoordinates=function(){for(var t=this,e=this.getRenderableIds().map(u.fromID),r=0,n=e;r<n.length;r+=1){var i=n[r];i.posMatrix=t.transform.calculatePosMatrix(i,t._source.maxzoom)}return e},e}(s);f.maxOverzooming=10,f.maxUnderzooming=3,e.exports=f},{"../data/extent":11,"../geo/coordinate":18,"../util/evented":116,"../util/lru_cache":122,"../util/util":127,"./source":48,"./tile":50,"./tile_coord":51}],50:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../data/bucket"),o=t("../data/feature_index"),a=t("vector-tile"),s=t("pbf"),u=t("../util/vectortile_to_geojson"),l=t("feature-filter"),c=t("../symbol/collision_tile"),p=t("../symbol/collision_box"),h=t("../symbol/symbol_instances"),f=t("../symbol/symbol_quads"),d=function(t,e,r){this.coord=t,this.uid=n.uniqueId(),this.uses=0,this.tileSize=e,this.sourceMaxZoom=r,this.buckets={},this.state="loading"};d.prototype.registerFadeDuration=function(t,e){var r=e+this.timeAdded;r<Date.now()||this.fadeEndTime&&r<this.fadeEndTime||(this.fadeEndTime=r,t.set(this.fadeEndTime-Date.now()))},d.prototype.loadVectorData=function(t,e){this.hasData()&&this.unloadVectorData(e),this.state="loaded",t&&(t.rawTileData&&(this.rawTileData=t.rawTileData),this.collisionBoxArray=new p(t.collisionBoxArray),this.collisionTile=new c(t.collisionTile,this.collisionBoxArray),this.symbolInstancesArray=new h(t.symbolInstancesArray),this.symbolQuadsArray=new f(t.symbolQuadsArray),this.featureIndex=new o(t.featureIndex,this.rawTileData,this.collisionTile),this.buckets=i.deserialize(t.buckets,e.style))},d.prototype.reloadSymbolData=function(t,e){var r=this;if("unloaded"!==this.state){this.collisionTile=new c(t.collisionTile,this.collisionBoxArray),this.featureIndex.setCollisionTile(this.collisionTile);for(var o in this.buckets){var a=r.buckets[o];"symbol"===a.type&&(a.destroy(),delete r.buckets[o])}n.extend(this.buckets,i.deserialize(t.buckets,e))}},d.prototype.unloadVectorData=function(){var t=this;for(var e in this.buckets)t.buckets[e].destroy();this.buckets={},this.collisionBoxArray=null,this.symbolQuadsArray=null,this.symbolInstancesArray=null,this.collisionTile=null,this.featureIndex=null,this.state="unloaded"},d.prototype.redoPlacement=function(t){function e(e,r){this.reloadSymbolData(r,t.map.style),t.fire("data",{tile:this,coord:this.coord,dataType:"tile"}),t.map&&(t.map.painter.tileExtentVAO.vao=null),this.state="loaded",this.redoWhenDone&&(this.redoPlacement(t),this.redoWhenDone=!1)}if("vector"===t.type||"geojson"===t.type){if("loaded"!==this.state||"reloading"===this.state)return void(this.redoWhenDone=!0);this.state="reloading",t.dispatcher.send("redoPlacement",{type:t.type,uid:this.uid,source:t.id,angle:t.map.transform.angle,pitch:t.map.transform.pitch,showCollisionBoxes:t.map.showCollisionBoxes},e.bind(this),this.workerID)}},d.prototype.getBucket=function(t){return this.buckets[t.id]},d.prototype.querySourceFeatures=function(t,e){var r=this;if(this.rawTileData){this.vtLayers||(this.vtLayers=new a.VectorTile(new s(this.rawTileData)).layers);var n=this.vtLayers._geojsonTileLayer||this.vtLayers[e.sourceLayer];if(n)for(var i=l(e&&e.filter),o={z:this.coord.z,x:this.coord.x,y:this.coord.y},c=0;c<n.length;c++){var p=n.feature(c);if(i(p)){var h=new u(p,r.coord.z,r.coord.x,r.coord.y);h.tile=o,t.push(h)}}}},d.prototype.hasData=function(){return"loaded"===this.state||"reloading"===this.state},e.exports=d},{"../data/bucket":2,"../data/feature_index":12,"../symbol/collision_box":76,"../symbol/collision_tile":78,"../symbol/symbol_instances":87,"../symbol/symbol_quads":88,"../util/util":127,"../util/vectortile_to_geojson":128,"feature-filter":135,pbf:193,"vector-tile":204}],51:[function(t,e,r){"use strict";function n(t,e){if(t.row>e.row){var r=t;t=e,e=r}return{x0:t.column,y0:t.row,x1:e.column,y1:e.row,dx:e.column-t.column,dy:e.row-t.row}}function i(t,e,r,n,i){var o=Math.max(r,Math.floor(e.y0)),a=Math.min(n,Math.ceil(e.y1));if(t.x0===e.x0&&t.y0===e.y0?t.x0+e.dy/t.dy*t.dx<e.x1:t.x1-e.dy/t.dy*t.dx<e.x0){var s=t;t=e,e=s}for(var u=t.dx/t.dy,l=e.dx/e.dy,c=t.dx>0,p=e.dx<0,h=o;h<a;h++){var f=u*Math.max(0,Math.min(t.dy,h+c-t.y0))+t.x0,d=l*Math.max(0,Math.min(e.dy,h+p-e.y0))+e.x0;i(Math.floor(d),Math.ceil(f),h)}}function o(t,e,r,o,a,s){var u,l=n(t,e),c=n(e,r),p=n(r,t);l.dy>c.dy&&(u=l,l=c,c=u),l.dy>p.dy&&(u=l,l=p,p=u),c.dy>p.dy&&(u=c,c=p,p=u),l.dy&&i(p,l,o,a,s),c.dy&&i(p,c,o,a,s)}function a(t,e,r){for(var n,i="",o=t;o>0;o--)n=1<<o-1,i+=(e&n?1:0)+(r&n?2:0);return i}var s=t("whoots-js"),u=t("../geo/coordinate"),l=function(t,e,r,n){isNaN(n)&&(n=0),this.z=+t,this.x=+e,this.y=+r,this.w=+n,n*=2,n<0&&(n=n*-1-1);var i=1<<this.z;this.id=32*(i*i*n+i*this.y+this.x)+this.z,this.posMatrix=null};l.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},l.prototype.toCoordinate=function(t){var e=Math.min(this.z,void 0===t?this.z:t),r=Math.pow(2,e),n=this.y,i=this.x+r*this.w;return new u(i,n,e)},l.prototype.url=function(t,e,r){var n=s.getTileBBox(this.x,this.y,this.z),i=a(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}",Math.min(this.z,e||this.z)).replace("{x}",this.x).replace("{y}","tms"===r?Math.pow(2,this.z)-this.y-1:this.y).replace("{quadkey}",i).replace("{bbox-epsg-3857}",n)},l.prototype.parent=function(t){return 0===this.z?null:this.z>t?new l(this.z-1,this.x,this.y,this.w):new l(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},l.prototype.wrapped=function(){return new l(this.z,this.x,this.y,0)},l.prototype.children=function(t){if(this.z>=t)return[new l(this.z+1,this.x,this.y,this.w)];var e=this.z+1,r=2*this.x,n=2*this.y;return[new l(e,r,n,this.w),new l(e,r+1,n,this.w),new l(e,r,n+1,this.w),new l(e,r+1,n+1,this.w)]},l.cover=function(t,e,r){function n(t,e,n){var o,s,u;if(n>=0&&n<=i)for(o=t;o<e;o++)s=(o%i+i)%i,u=new l(r,s,n,Math.floor(o/i)),a[u.id]=u}var i=1<<t,a={};return o(e[0],e[1],e[2],0,i,n),o(e[2],e[3],e[0],0,i,n),Object.keys(a).map(function(t){return a[t]})},l.fromID=function(t){var e=t%32,r=1<<e,n=(t-e)/32,i=n%r,o=(n-i)/r%r,a=Math.floor(n/(r*r));return a%2!==0&&(a=a*-1-1),a/=2,new l(e,i,o,a)},e.exports=l},{"../geo/coordinate":18,"whoots-js":213}],52:[function(t,e,r){"use strict";var n=t("../util/evented"),i=t("../util/util"),o=t("./load_tilejson"),a=t("../util/mapbox").normalizeTileURL,s=function(t){function e(e,r,n,a){var s=this;if(t.call(this),this.id=e,this.dispatcher=n,this.type="vector",this.minzoom=0,this.maxzoom=22,this.scheme="xyz",this.tileSize=512,this.reparseOverscaled=!0,this.isTileClipped=!0,i.extend(this,i.pick(r,["url","scheme","tileSize"])),this._options=i.extend({type:"vector"},r),512!==this.tileSize)throw new Error("vector tile sources must have a tileSize of 512");this.setEventedParent(a),this.fire("dataloading",{dataType:"source"}),o(r,function(t,e){return t?void s.fire("error",t):(i.extend(s,e),s.fire("data",{dataType:"source"}),void s.fire("source.load"))})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.onAdd=function(t){this.map=t},e.prototype.serialize=function(){return i.extend({},this._options)},e.prototype.loadTile=function(t,e){function r(r,n){if(!t.aborted){if(r)return e(r);t.loadVectorData(n,this.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(this)),e(null),t.reloadCallback&&(this.loadTile(t,t.reloadCallback),t.reloadCallback=null)}}var n=t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,i={url:a(t.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:t.uid,coord:t.coord,zoom:t.coord.z,tileSize:this.tileSize*n,type:this.type,source:this.id,overscaling:n,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID?"loading"===t.state?t.reloadCallback=e:this.dispatcher.send("reloadTile",i,r.bind(this),t.workerID):t.workerID=this.dispatcher.send("loadTile",i,r.bind(this))},e.prototype.abortTile=function(t){this.dispatcher.send("abortTile",{uid:t.uid,type:this.type,source:this.id},null,t.workerID)},e.prototype.unloadTile=function(t){t.unloadVectorData(),this.dispatcher.send("removeTile",{uid:t.uid,type:this.type,source:this.id},null,t.workerID)},e}(n);e.exports=s},{"../util/evented":116,"../util/mapbox":123,"../util/util":127,"./load_tilejson":44}],53:[function(t,e,r){"use strict";var n=t("../util/ajax"),i=t("vector-tile"),o=t("pbf"),a=t("./worker_tile"),s=t("../util/util"),u=function(t,e,r){this.actor=t,this.layerIndex=e,r&&(this.loadVectorData=r),this.loading={},this.loaded={}};u.prototype.loadTile=function(t,e){function r(t,r){return delete this.loading[n][i],t?e(t):r?(o.vectorTile=r,o.parse(r,this.layerIndex,this.actor,function(t,n,i){return t?e(t):void e(null,s.extend({rawTileData:r.rawData},n),i)}),this.loaded[n]=this.loaded[n]||{},void(this.loaded[n][i]=o)):e(null,null)}var n=t.source,i=t.uid;this.loading[n]||(this.loading[n]={});var o=this.loading[n][i]=new a(t);o.abort=this.loadVectorData(t,r.bind(this))},u.prototype.reloadTile=function(t,e){function r(t,r){if(this.reloadCallback){var n=this.reloadCallback;delete this.reloadCallback,this.parse(this.vectorTile,o.layerIndex,o.actor,n)}e(t,r)}var n=this.loaded[t.source],i=t.uid,o=this;if(n&&n[i]){var a=n[i];"parsing"===a.status?a.reloadCallback=e:"done"===a.status&&a.parse(a.vectorTile,this.layerIndex,this.actor,r.bind(a))}},u.prototype.abortTile=function(t){var e=this.loading[t.source],r=t.uid;e&&e[r]&&e[r].abort&&(e[r].abort(),delete e[r])},u.prototype.removeTile=function(t){var e=this.loaded[t.source],r=t.uid;e&&e[r]&&delete e[r]},u.prototype.loadVectorData=function(t,e){function r(t,r){if(t)return e(t);var n=new i.VectorTile(new o(r));n.rawData=r,e(t,n)}var a=n.getArrayBuffer(t.url,r.bind(this));return function(){a.abort()}},u.prototype.redoPlacement=function(t,e){var r=this.loaded[t.source],n=this.loading[t.source],i=t.uid;if(r&&r[i]){var o=r[i],a=o.redoPlacement(t.angle,t.pitch,t.showCollisionBoxes);a.result&&e(null,a.result,a.transferables)}else n&&n[i]&&(n[i].angle=t.angle)},e.exports=u},{"../util/ajax":107,"../util/util":127,"./worker_tile":56,pbf:193,"vector-tile":204}],54:[function(t,e,r){"use strict";var n=t("../util/ajax"),i=t("./image_source"),o=function(t){function e(e,r,n,i){t.call(this,e,r,n,i),this.roundZoom=!0}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype._load=function(t){var e=this;this.urls=t.urls,n.getVideo(t.urls,function(t,r){if(t)return e.fire("error",{error:t});e.video=r,e.video.loop=!0;var n;e.video.addEventListener("playing",function(){n=e.map.style.animationLoop.set(1/0),e.map._rerender()}),e.video.addEventListener("pause",function(){e.map.style.animationLoop.cancel(n)}),e.map&&e.video.play(),e._finishLoading()})},e.prototype.getVideo=function(){return this.video},e.prototype.onAdd=function(t){this.map||(this.map=t,this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},e.prototype.prepare=function(){!this.tile||this.video.readyState<2||this._prepareImage(this.map.painter.gl,this.video)},e.prototype.serialize=function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}},e}(i);e.exports=o},{"../util/ajax":107,"./image_source":43}],55:[function(t,e,r){"use strict";var n=t("../util/actor"),i=t("../style/style_layer_index"),o=t("./vector_tile_worker_source"),a=t("./geojson_worker_source"),s=function(t){var e=this;this.self=t,this.actor=new n(t,this),this.layerIndexes={},this.workerSourceTypes={vector:o,geojson:a},this.workerSources={},this.self.registerWorkerSource=function(t,r){if(e.workerSourceTypes[t])throw new Error('Worker source with name "'+t+'" already registered.');e.workerSourceTypes[t]=r}};s.prototype.setLayers=function(t,e){this.getLayerIndex(t).replace(e)},s.prototype.updateLayers=function(t,e){this.getLayerIndex(t).update(e.layers,e.removedIds,e.symbolOrder)},s.prototype.loadTile=function(t,e,r){this.getWorkerSource(t,e.type).loadTile(e,r)},s.prototype.reloadTile=function(t,e,r){this.getWorkerSource(t,e.type).reloadTile(e,r)},s.prototype.abortTile=function(t,e){this.getWorkerSource(t,e.type).abortTile(e)},s.prototype.removeTile=function(t,e){this.getWorkerSource(t,e.type).removeTile(e)},s.prototype.removeSource=function(t,e){var r=this.getWorkerSource(t,e.type);void 0!==r.removeSource&&r.removeSource(e)},s.prototype.redoPlacement=function(t,e,r){this.getWorkerSource(t,e.type).redoPlacement(e,r)},s.prototype.loadWorkerSource=function(t,e,r){try{this.self.importScripts(e.url),r()}catch(t){r(t)}},s.prototype.getLayerIndex=function(t){var e=this.layerIndexes[t];return e||(e=this.layerIndexes[t]=new i),e},s.prototype.getWorkerSource=function(t,e){var r=this;if(this.workerSources[t]||(this.workerSources[t]={}),!this.workerSources[t][e]){var n={send:function(e,n,i,o){r.actor.send(e,n,i,o,t)}};this.workerSources[t][e]=new this.workerSourceTypes[e](n,this.getLayerIndex(t))}return this.workerSources[t][e]},e.exports=function(t){return new s(t)}},{"../style/style_layer_index":69,"../util/actor":106,"./geojson_worker_source":41,"./vector_tile_worker_source":53}],56:[function(t,e,r){"use strict";function n(t,e){for(var r=0,n=t.layers;r<n.length;r+=1){var i=n[r];i.recalculate(e)}}function i(t,e){return t.filter(function(t){return!t.isEmpty()}).map(function(t){return t.serialize(e)})}var o=t("../data/feature_index"),a=t("../symbol/collision_tile"),s=t("../symbol/collision_box"),u=t("../util/dictionary_coder"),l=t("../util/util"),c=t("../symbol/symbol_instances"),p=t("../symbol/symbol_quads"),h=function(t){this.coord=t.coord,this.uid=t.uid,this.zoom=t.zoom,this.tileSize=t.tileSize,this.source=t.source,this.overscaling=t.overscaling,this.angle=t.angle,this.pitch=t.pitch,this.showCollisionBoxes=t.showCollisionBoxes};h.prototype.parse=function(t,e,r,h){var f=this;t.layers||(t={layers:{_geojsonTileLayer:t}}),this.status="parsing",this.data=t,this.collisionBoxArray=new s,this.symbolInstancesArray=new c,this.symbolQuadsArray=new p;var d=new u(Object.keys(t.layers).sort()),m=new o(this.coord,this.overscaling);m.bucketLayerIDs={};var y={},v=0,g={featureIndex:m,iconDependencies:{},glyphDependencies:{}},_=e.familiesBySource[this.source];for(var x in _){var b=t.layers[x];if(b){1===b.version&&l.warnOnce('Vector tile source "'+f.source+'" layer "'+x+'" does not use vector tile spec v2 and therefore may have some rendering errors.');for(var w=d.encode(x),E=[],T=0;T<b.length;T++){var S=b.feature(T);S.index=T,S.sourceLayerIndex=w,E.push(S)}for(var z=0,A=_[x];z<A.length;z+=1){var M=A[z],P=M[0];if(!(P.minzoom&&f.zoom<P.minzoom||P.maxzoom&&f.zoom>=P.maxzoom||P.layout&&"none"===P.layout.visibility)){for(var I=0,L=M;I<L.length;I+=1){var k=L[I];k.recalculate(f.zoom)}var C=y[P.id]=P.createBucket({index:v,layers:M,zoom:f.zoom,overscaling:f.overscaling,collisionBoxArray:f.collisionBoxArray,symbolQuadsArray:f.symbolQuadsArray,symbolInstancesArray:f.symbolInstancesArray});C.populate(E,g),m.bucketLayerIDs[v]=M.map(function(t){return t.id}),v++}}}}var R=function(t){f.status="done";var e=[];h(null,{buckets:i(l.values(y),e),featureIndex:m.serialize(e),collisionTile:t.serialize(e),collisionBoxArray:f.collisionBoxArray.serialize(),symbolInstancesArray:f.symbolInstancesArray.serialize(),symbolQuadsArray:f.symbolQuadsArray.serialize()},e)};this.symbolBuckets=[];for(var D=e.symbolOrder.length-1;D>=0;D--){var O=y[e.symbolOrder[D]];O&&f.symbolBuckets.push(O)}if(0===this.symbolBuckets.length)return R(new a(this.angle,this.pitch,this.collisionBoxArray));var B=0,j=Object.keys(g.iconDependencies),F=l.mapObject(g.glyphDependencies,function(t){return Object.keys(t).map(Number)}),U=function(t){if(t)return h(t);if(B++,2===B){for(var e=new a(f.angle,f.pitch,f.collisionBoxArray),r=0,i=f.symbolBuckets;r<i.length;r+=1){var o=i[r];n(o,f.zoom),o.prepare(F,j),o.place(e,f.showCollisionBoxes)}R(e)}};Object.keys(F).length?r.send("getGlyphs",{uid:this.uid,stacks:F},function(t,e){F=e,U(t)}):U(),j.length?r.send("getIcons",{icons:j},function(t,e){j=e,U(t)}):U()},h.prototype.redoPlacement=function(t,e,r){var o=this;if(this.angle=t,this.pitch=e,"done"!==this.status)return{};for(var s=new a(this.angle,this.pitch,this.collisionBoxArray),u=0,l=this.symbolBuckets;u<l.length;u+=1){var c=l[u];n(c,o.zoom),c.place(s,r)}var p=[];return{result:{buckets:i(this.symbolBuckets,p),collisionTile:s.serialize(p)},transferables:p}},e.exports=h},{"../data/feature_index":12,"../symbol/collision_box":76,"../symbol/collision_tile":78,"../symbol/symbol_instances":87,"../symbol/symbol_quads":88,"../util/dictionary_coder":113,"../util/util":127}],57:[function(t,e,r){"use strict";var n=function(){this.n=0,this.times=[]};n.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},n.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},n.prototype.cancel=function(t){this.times=this.times.filter(function(e){return e.id!==t})},e.exports=n},{}],58:[function(t,e,r){"use strict";var n=t("../util/evented"),i=t("../util/ajax"),o=t("../util/browser"),a=t("../util/mapbox").normalizeSpriteURL,s=function(){this.x=0,this.y=0,this.width=0,this.height=0,this.pixelRatio=1,this.sdf=!1},u=function(t){function e(e){var r=this;t.call(this),this.base=e,this.retina=o.devicePixelRatio>1;var n=this.retina?"@2x":"";i.getJSON(a(e,n,".json"),function(t,e){return t?void r.fire("error",{error:t}):(r.data=e,void(r.imgData&&r.fire("data",{dataType:"style"})))}),i.getImage(a(e,n,".png"),function(t,e){if(t)return void r.fire("error",{error:t});r.imgData=o.getImageData(e);for(var n=0;n<r.imgData.length;n+=4){var i=r.imgData[n+3]/255;r.imgData[n+0]*=i,r.imgData[n+1]*=i,r.imgData[n+2]*=i}r.width=e.width,r.data&&r.fire("data",{dataType:"style"})})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.toJSON=function(){return this.base},e.prototype.loaded=function(){return!(!this.data||!this.imgData)},e.prototype.resize=function(){var t=this;if(o.devicePixelRatio>1!==this.retina){var r=new e(this.base);r.on("data",function(){t.data=r.data,t.imgData=r.imgData,t.width=r.width,t.retina=r.retina})}},e.prototype.getSpritePosition=function(t){if(!this.loaded())return new s;var e=this.data&&this.data[t];return e&&this.imgData?e:new s},e}(n);e.exports=u},{"../util/ajax":107,"../util/browser":108,"../util/evented":116,"../util/mapbox":123}],59:[function(t,e,r){"use strict";var n=t("./style_spec"),i=t("../util/util"),o=t("../util/evented"),a=t("./validate_style"),s=t("./style_declaration"),u=t("./style_transition"),l="-transition",c=function(t){function e(e){t.call(this),this.properties=["anchor","color","position","intensity"],this._specifications=n.light,this.set(e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.set=function(t){var e=this;if(!this._validate(a.light,t)){this._declarations={},this._transitions={},this._transitionOptions={},this.calculated={},t=i.extend({anchor:this._specifications.anchor.default,color:this._specifications.color.default,position:this._specifications.position.default,intensity:this._specifications.intensity.default},t);for(var r=0,n=this.properties;r<n.length;r+=1){var o=n[r];e._declarations[o]=new s(e._specifications[o],t[o])}return this}},e.prototype.getLight=function(){return{anchor:this.getLightProperty("anchor"),color:this.getLightProperty("color"),position:this.getLightProperty("position"),intensity:this.getLightProperty("intensity")}},e.prototype.getLightProperty=function(t){return i.endsWith(t,l)?this._transitionOptions[t]:this._declarations[t]&&this._declarations[t].value},e.prototype.getLightValue=function(t,e){if("position"===t){var r=this._transitions[t].calculate(e),n=i.sphericalToCartesian(r);return{x:n[0],y:n[1],z:n[2]}}return this._transitions[t].calculate(e)},e.prototype.setLight=function(t){var e=this;if(!this._validate(a.light,t))for(var r in t){var n=t[r];i.endsWith(r,l)?e._transitionOptions[r]=n:null===n||void 0===n?delete e._declarations[r]:e._declarations[r]=new s(e._specifications[r],n)}},e.prototype.recalculate=function(t){var e=this;for(var r in this._declarations)e.calculated[r]=e.getLightValue(r,{zoom:t})},e.prototype._applyLightDeclaration=function(t,e,r,n,o){var a=r.transition?this._transitions[t]:void 0,c=this._specifications[t];if(null!==e&&void 0!==e||(e=new s(c,c.default)),!a||a.declaration.json!==e.json){var p=i.extend({duration:300,delay:0},n,this.getLightProperty(t+l)),h=this._transitions[t]=new u(c,e,a,p);h.instant()||(h.loopID=o.set(h.endTime-Date.now())),a&&o.cancel(a.loopID)}},e.prototype.updateLightTransitions=function(t,e,r){var n,i=this;for(n in this._declarations)i._applyLightDeclaration(n,i._declarations[n],t,e,r)},e.prototype._validate=function(t,e){return a.emitErrors(this,t.call(a,i.extend({value:e,style:{glyphs:!0,sprite:!0},styleSpec:n})))},e}(o);e.exports=c},{"../util/evented":116,"../util/util":127,"./style_declaration":62,"./style_spec":70,"./style_transition":71,"./validate_style":72}],60:[function(t,e,r){"use strict";var n=t("csscolorparser").parseCSSColor,i=t("../util/util"),o=t("mapbox-gl-function"),a={};e.exports=function t(e){if(e&&o.isFunctionDefinition(e))return e.stops?i.extend({},e,{stops:e.stops.map(function(e){return[e[0],t(e[1])]})}):e;if("string"==typeof e){if(!a[e]){var r=n(e);if(!r)throw new Error("Invalid color "+e);a[e]=[r[0]/255*r[3],r[1]/255*r[3],r[2]/255*r[3],r[3]]}return a[e]}if(Array.isArray(e))return e;throw new Error("Invalid color "+e)}},{"../util/util":127,csscolorparser:132,"mapbox-gl-function":161}],61:[function(t,e,r){"use strict";var n=t("../util/evented"),i=t("./style_layer"),o=t("./image_sprite"),a=t("./light"),s=t("../symbol/glyph_source"),u=t("../symbol/sprite_atlas"),l=t("../render/line_atlas"),c=t("../util/util"),p=t("../util/ajax"),h=t("../util/mapbox"),f=t("../util/browser"),d=t("../util/dispatcher"),m=t("./animation_loop"),y=t("./validate_style"),v=t("../source/source"),g=t("../source/query_features"),_=t("../source/source_cache"),x=t("./style_spec"),b=t("mapbox-gl-function"),w=t("../global_worker_pool"),E=t("mapbox-gl-style-spec/lib/deref"),T=t("mapbox-gl-style-spec/lib/diff"),S=c.pick(T.operations,["addLayer","removeLayer","setPaintProperty","setLayoutProperty","setFilter","addSource","removeSource","setLayerZoomRange","setLight","setTransition"]),z=c.pick(T.operations,["setCenter","setZoom","setBearing","setPitch"]),A=function(t){function e(e,r,n){var i=this;t.call(this),this.map=r,this.animationLoop=r&&r.animationLoop||new m,this.dispatcher=new d(w(),this),this.spriteAtlas=new u(1024,1024),this.lineAtlas=new l(256,512),this._layers={},this._order=[],this.sourceCaches={},this.zoomHistory={},this._loaded=!1,c.bindAll(["_redoPlacement"],this),this._resetUpdates(),n=c.extend({validate:"string"!=typeof e||!h.isMapboxURL(e)},n),this.setEventedParent(r),this.fire("dataloading",{dataType:"style"});var a=function(t,e){if(t)return void i.fire("error",{error:t});if(!n.validate||!y.emitErrors(i,y(e))){i._loaded=!0,i.stylesheet=e,i.updateClasses();for(var r in e.sources)i.addSource(r,e.sources[r],n);e.sprite&&(i.sprite=new o(e.sprite),i.sprite.setEventedParent(i)),i.glyphSource=new s(e.glyphs),i._resolve(),i.fire("data",{dataType:"style"}),i.fire("style.load")}};"string"==typeof e?p.getJSON(h.normalizeStyleURL(e),a):f.frame(a.bind(this,null,e)),this.on("source.load",function(t){var e=i.sourceCaches[t.sourceId].getSource();if(e&&e.vectorLayerIds)for(var r in i._layers){var n=i._layers[r];n.source===e.id&&i._validateLayer(n)}})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype._validateLayer=function(t){var e=this.sourceCaches[t.source];if(t.sourceLayer&&e){var r=e.getSource();r.vectorLayerIds&&r.vectorLayerIds.indexOf(t.sourceLayer)===-1&&this.fire("error",{error:new Error('Source layer "'+t.sourceLayer+'" does not exist on source "'+r.id+'" as specified by style layer "'+t.id+'"')})}},e.prototype.loaded=function(){var t=this;if(!this._loaded)return!1;if(Object.keys(this._updatedSources).length)return!1;for(var e in this.sourceCaches)if(!t.sourceCaches[e].loaded())return!1;return!(this.sprite&&!this.sprite.loaded())},e.prototype._resolve=function(){var t=this,e=E(this.stylesheet.layers);this._order=e.map(function(t){return t.id}),this._layers={};for(var r=0,n=e;r<n.length;r+=1){var o=n[r];o=i.create(o),o.setEventedParent(t,{layer:{id:o.id}}),t._layers[o.id]=o}this.dispatcher.broadcast("setLayers",this._serializeLayers(this._order)),this.light=new a(this.stylesheet.light)},e.prototype._serializeLayers=function(t){var e=this;return t.map(function(t){return e._layers[t].serialize()})},e.prototype._applyClasses=function(t,e){var r=this;if(this._loaded){t=t||[],e=e||{transition:!0};var n=this.stylesheet.transition||{},i=this._updatedAllPaintProps?this._layers:this._updatedPaintProps;for(var o in i){var a=r._layers[o],s=r._updatedPaintProps[o];if(r._updatedAllPaintProps||s.all)a.updatePaintTransitions(t,e,n,r.animationLoop,r.zoomHistory);else for(var u in s)r._layers[o].updatePaintTransition(u,t,e,n,r.animationLoop,r.zoomHistory)}this.light.updateLightTransitions(e,n,this.animationLoop)}},e.prototype._recalculate=function(t){var e=this;if(this._loaded){for(var r in this.sourceCaches)e.sourceCaches[r].used=!1;this._updateZoomHistory(t);for(var n=0,i=this._order;n<i.length;n+=1){var o=i[n],a=e._layers[o];a.recalculate(t),!a.isHidden(t)&&a.source&&(e.sourceCaches[a.source].used=!0)}this.light.recalculate(t);var s=300;Math.floor(this.z)!==Math.floor(t)&&this.animationLoop.set(s),this.z=t}},e.prototype._updateZoomHistory=function(t){var e=this.zoomHistory;void 0===e.lastIntegerZoom&&(e.lastIntegerZoom=Math.floor(t),e.lastIntegerZoomTime=0,e.lastZoom=t),Math.floor(e.lastZoom)<Math.floor(t)?(e.lastIntegerZoom=Math.floor(t),e.lastIntegerZoomTime=Date.now()):Math.floor(e.lastZoom)>Math.floor(t)&&(e.lastIntegerZoom=Math.floor(t+1),e.lastIntegerZoomTime=Date.now()),e.lastZoom=t},e.prototype._checkLoaded=function(){if(!this._loaded)throw new Error("Style is not done loading")},e.prototype.update=function(t,e){var r=this;if(this._changed){var n=Object.keys(this._updatedLayers),i=Object.keys(this._removedLayers);(n.length||i.length||this._updatedSymbolOrder)&&this._updateWorkerLayers(n,i);for(var o in this._updatedSources){var a=r._updatedSources[o];"reload"===a?r._reloadSource(o):"clear"===a&&r._clearSource(o)}this._applyClasses(t,e),this._resetUpdates(),this.fire("data",{dataType:"style"})}},e.prototype._updateWorkerLayers=function(t,e){var r=this,n=this._updatedSymbolOrder?this._order.filter(function(t){return"symbol"===r._layers[t].type}):null;this.dispatcher.broadcast("updateLayers",{layers:this._serializeLayers(t),removedIds:e,symbolOrder:n})},e.prototype._resetUpdates=function(){this._changed=!1,this._updatedLayers={},this._removedLayers={},this._updatedSymbolOrder=!1,this._updatedSources={},this._updatedPaintProps={},this._updatedAllPaintProps=!1},e.prototype.setState=function(t){var e=this;if(this._checkLoaded(),y.emitErrors(this,y(t)))return!1;t=c.extend({},t),t.layers=E(t.layers);var r=T(this.serialize(),t).filter(function(t){return!(t.command in z)});if(0===r.length)return!1;var n=r.filter(function(t){return!(t.command in S)});if(n.length>0)throw new Error("Unimplemented: "+n.map(function(t){return t.command}).join(", ")+".");return r.forEach(function(t){"setTransition"!==t.command&&e[t.command].apply(e,t.args)}),this.stylesheet=t,!0},e.prototype.addSource=function(t,e,r){if(this._checkLoaded(),void 0!==this.sourceCaches[t])throw new Error("There is already a source with this ID");if(!e.type)throw new Error("The type property must be defined, but the only the following properties were given: "+Object.keys(e)+".");var n=["vector","raster","geojson","video","image"],i=n.indexOf(e.type)>=0;if(!i||!this._validate(y.source,"sources."+t,e,null,r)){var o=this.sourceCaches[t]=new _(t,e,this.dispatcher);o.style=this,o.setEventedParent(this,function(){return{isSourceLoaded:o.loaded(),source:o.serialize(),sourceId:t}}),o.onAdd(this.map),this._changed=!0}},e.prototype.removeSource=function(t){if(this._checkLoaded(),void 0===this.sourceCaches[t])throw new Error("There is no source with this ID");var e=this.sourceCaches[t];delete this.sourceCaches[t],delete this._updatedSources[t],e.setEventedParent(null),e.clearTiles(),e.onRemove&&e.onRemove(this.map),this._changed=!0},e.prototype.getSource=function(t){return this.sourceCaches[t]&&this.sourceCaches[t].getSource()},e.prototype.addLayer=function(t,e,r){this._checkLoaded();var n=t.id;if(!this._validate(y.layer,"layers."+n,t,{arrayIndex:-1},r)){var o=i.create(t);this._validateLayer(o),o.setEventedParent(this,{layer:{id:n}});var a=e?this._order.indexOf(e):this._order.length;this._order.splice(a,0,n),this._layers[n]=o,this._removedLayers[n]&&(delete this._removedLayers[n],this._updatedSources[o.source]="clear"),this._updateLayer(o),"symbol"===o.type&&(this._updatedSymbolOrder=!0),this.updateClasses(n)}},e.prototype.moveLayer=function(t,e){this._checkLoaded(),this._changed=!0;var r=this._layers[t];if(!r)throw new Error("Layer not found: "+t);var n=this._order.indexOf(t);this._order.splice(n,1);var i=e?this._order.indexOf(e):this._order.length;this._order.splice(i,0,t),"symbol"===r.type&&(this._updatedSymbolOrder=!0,r.source&&!this._updatedSources[r.source]&&(this._updatedSources[r.source]="reload"))},e.prototype.removeLayer=function(t){this._checkLoaded();var e=this._layers[t];if(!e)throw new Error("Layer not found: "+t);e.setEventedParent(null);var r=this._order.indexOf(t);this._order.splice(r,1),"symbol"===e.type&&(this._updatedSymbolOrder=!0),this._changed=!0,this._removedLayers[t]=!0,delete this._layers[t],delete this._updatedLayers[t],delete this._updatedPaintProps[t]},e.prototype.getLayer=function(t){return this._layers[t]},e.prototype.setLayerZoomRange=function(t,e,r){this._checkLoaded();var n=this.getLayer(t);n.minzoom===e&&n.maxzoom===r||(null!=e&&(n.minzoom=e),null!=r&&(n.maxzoom=r),this._updateLayer(n))},e.prototype.setFilter=function(t,e){this._checkLoaded();var r=this.getLayer(t);null!==e&&void 0!==e&&this._validate(y.filter,"layers."+r.id+".filter",e)||c.deepEqual(r.filter,e)||(r.filter=c.clone(e),this._updateLayer(r))},e.prototype.getFilter=function(t){return c.clone(this.getLayer(t).filter)},e.prototype.setLayoutProperty=function(t,e,r){this._checkLoaded();var n=this.getLayer(t);c.deepEqual(n.getLayoutProperty(e),r)||(n.setLayoutProperty(e,r),this._updateLayer(n))},e.prototype.getLayoutProperty=function(t,e){return this.getLayer(t).getLayoutProperty(e)},e.prototype.setPaintProperty=function(t,e,r,n){this._checkLoaded();var i=this.getLayer(t);if(!c.deepEqual(i.getPaintProperty(e,n),r)){var o=i.isPaintValueFeatureConstant(e);i.setPaintProperty(e,r,n);var a=!(r&&b.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property);a&&o||this._updateLayer(i),this.updateClasses(t,e)}},e.prototype.getPaintProperty=function(t,e,r){return this.getLayer(t).getPaintProperty(e,r)},e.prototype.getTransition=function(){return c.extend({duration:300,delay:0},this.stylesheet&&this.stylesheet.transition)},e.prototype.updateClasses=function(t,e){if(this._changed=!0,t){var r=this._updatedPaintProps;r[t]||(r[t]={}),r[t][e||"all"]=!0}else this._updatedAllPaintProps=!0},e.prototype.serialize=function(){var t=this;return c.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:c.mapObject(this.sourceCaches,function(t){return t.serialize()}),layers:this._order.map(function(e){return t._layers[e].serialize()})},function(t){return void 0!==t})},e.prototype._updateLayer=function(t){this._updatedLayers[t.id]=!0,t.source&&!this._updatedSources[t.source]&&(this._updatedSources[t.source]="reload"),this._changed=!0},e.prototype._flattenRenderedFeatures=function(t){for(var e=this,r=[],n=this._order.length-1;n>=0;n--)for(var i=e._order[n],o=0,a=t;o<a.length;o+=1){var s=a[o],u=s[i];if(u)for(var l=0,c=u;l<c.length;l+=1){var p=c[l];r.push(p)}}return r},e.prototype.queryRenderedFeatures=function(t,e,r,n){var i=this;e&&e.filter&&this._validate(y.filter,"queryRenderedFeatures.filter",e.filter);var o={};if(e&&e.layers)for(var a=0,s=e.layers;a<s.length;a+=1){var u=s[a],l=i._layers[u];if(!l)return void i.fire("error",{error:"The layer '"+u+"' does not exist in the map's style and cannot be queried for features."});o[l.source]=!0}var c=[];for(var p in this.sourceCaches)if(!e.layers||o[p]){var h=g.rendered(i.sourceCaches[p],i._layers,t,e,r,n);c.push(h)}return this._flattenRenderedFeatures(c)},e.prototype.querySourceFeatures=function(t,e){e&&e.filter&&this._validate(y.filter,"querySourceFeatures.filter",e.filter);var r=this.sourceCaches[t];return r?g.source(r,e):[]},e.prototype.addSourceType=function(t,e,r){return v.getType(t)?r(new Error('A source type called "'+t+'" already exists.')):(v.setType(t,e),e.workerSourceURL?void this.dispatcher.broadcast("loadWorkerSource",{name:t,url:e.workerSourceURL},r):r(null,null))},e.prototype.getLight=function(){return this.light.getLight()},e.prototype.setLight=function(t,e){this._checkLoaded();var r=this.light.getLight(),n=!1;for(var i in t)if(!c.deepEqual(t[i],r[i])){n=!0;break}if(n){var o=this.stylesheet.transition||{};this.light.setLight(t),this.light.updateLightTransitions(e||{transition:!0},o,this.animationLoop)}},e.prototype._validate=function(t,e,r,n,i){return(!i||i.validate!==!1)&&y.emitErrors(this,t.call(y,c.extend({key:e,style:this.serialize(),value:r,styleSpec:x},n)))},e.prototype._remove=function(){var t=this;for(var e in this.sourceCaches)t.sourceCaches[e].clearTiles();this.dispatcher.remove()},e.prototype._clearSource=function(t){this.sourceCaches[t].clearTiles()},e.prototype._reloadSource=function(t){this.sourceCaches[t].reload()},e.prototype._updateSources=function(t){var e=this;for(var r in this.sourceCaches)e.sourceCaches[r].update(t)},e.prototype._redoPlacement=function(){var t=this;for(var e in this.sourceCaches)t.sourceCaches[e].redoPlacement()},e.prototype.getIcons=function(t,e,r){var n=this,i=function(){n.spriteAtlas.setSprite(n.sprite),n.spriteAtlas.addIcons(e.icons,r)};this.sprite.loaded()?i():this.sprite.on("data",i)},e.prototype.getGlyphs=function(t,e,r){function n(t,e,n){t&&console.error(t),s[n]=e,a--,0===a&&r(null,s)}var i=this,o=e.stacks,a=Object.keys(o).length,s={};for(var u in o)i.glyphSource.getSimpleGlyphs(u,o[u],e.uid,n)},e}(n);e.exports=A},{"../global_worker_pool":22,"../render/line_atlas":35,"../source/query_features":46,"../source/source":48,"../source/source_cache":49,"../symbol/glyph_source":81,"../symbol/sprite_atlas":86,"../util/ajax":107,"../util/browser":108,"../util/dispatcher":114,"../util/evented":116,"../util/mapbox":123,"../util/util":127,"./animation_loop":57,"./image_sprite":58,"./light":59,"./style_layer":63,"./style_spec":70,"./validate_style":72,"mapbox-gl-function":161,"mapbox-gl-style-spec/lib/deref":162,"mapbox-gl-style-spec/lib/diff":163}],62:[function(t,e,r){"use strict";var n=t("mapbox-gl-function"),i=t("./parse_color"),o=t("../util/util"),a=function(t,e){var r=this;this.value=o.clone(e),this.isFunction=n.isFunctionDefinition(e),this.json=JSON.stringify(this.value),this.minimum=t.minimum,this.isColor="color"===t.type;var a=this.isColor&&this.value?i(this.value):e,s=t.default;if(s&&"color"===t.type&&(s=i(s)),this.function=n[t.function||"piecewise-constant"](a,s),this.isFeatureConstant=this.function.isFeatureConstant,this.isZoomConstant=this.function.isZoomConstant,!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var u=[],l=0,c=this.value.stops;l<c.length;l+=1){var p=c[l],h=p[0].zoom;r.stopZoomLevels.indexOf(h)<0&&(r.stopZoomLevels.push(h),u.push([h,u.length]))}this.functionInterpolationT=n.interpolated({stops:u,base:e.base,colorSpace:e.colorSpace})}};a.prototype.calculate=function(t,e){var r=this.function(t&&t.zoom,e||{});return this.isColor&&r?i(r):void 0!==this.minimum&&r<this.minimum?this.minimum:r},a.prototype.calculateInterpolationT=function(t,e){return this.functionInterpolationT(t&&t.zoom,e||{})},e.exports=a},{"../util/util":127,"./parse_color":60,"mapbox-gl-function":161}],63:[function(t,e,r){"use strict";function n(t){return t.value}var i=t("../util/util"),o=t("./style_transition"),a=t("./style_declaration"),s=t("./style_spec"),u=t("./validate_style"),l=t("./parse_color"),c=t("../util/evented"),p="-transition",h=function(t){function e(e){var r=this;t.call(this),this.id=e.id,this.metadata=e.metadata,this.type=e.type,this.source=e.source,this.sourceLayer=e["source-layer"],this.minzoom=e.minzoom,this.maxzoom=e.maxzoom,this.filter=e.filter,this.paint={},this.layout={},this._paintSpecifications=s["paint_"+this.type],this._layoutSpecifications=s["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var n,i,o={validate:!1};for(var a in e){var u=a.match(/^paint(?:\.(.*))?$/);if(u){var l=u[1]||"";for(n in e[a])r.setPaintProperty(n,e[a][n],l,o)}}for(i in e.layout)r.setLayoutProperty(i,e.layout[i],o);for(n in this._paintSpecifications)r.paint[n]=r.getPaintValue(n);for(i in this._layoutSpecifications)r._updateLayoutValue(i)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.setLayoutProperty=function(t,e,r){if(null==e)delete this._layoutDeclarations[t];else{var n="layers."+this.id+".layout."+t;if(this._validate(u.layoutProperty,n,t,e,r))return;this._layoutDeclarations[t]=new a(this._layoutSpecifications[t],e)}this._updateLayoutValue(t)},e.prototype.getLayoutProperty=function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},e.prototype.getLayoutValue=function(t,e,r){var n=this._layoutSpecifications[t],i=this._layoutDeclarations[t];return i?i.calculate(e,r):n.default},e.prototype.setPaintProperty=function(t,e,r,n){var o="layers."+this.id+(r?'["paint.'+r+'"].':".paint.")+t;if(i.endsWith(t,p))if(this._paintTransitionOptions[r||""]||(this._paintTransitionOptions[r||""]={}),null===e||void 0===e)delete this._paintTransitionOptions[r||""][t];else{if(this._validate(u.paintProperty,o,t,e,n))return;this._paintTransitionOptions[r||""][t]=e}else if(this._paintDeclarations[r||""]||(this._paintDeclarations[r||""]={}),null===e||void 0===e)delete this._paintDeclarations[r||""][t];else{if(this._validate(u.paintProperty,o,t,e,n))return;this._paintDeclarations[r||""][t]=new a(this._paintSpecifications[t],e)}},e.prototype.getPaintProperty=function(t,e){return e=e||"",i.endsWith(t,p)?this._paintTransitionOptions[e]&&this._paintTransitionOptions[e][t]:this._paintDeclarations[e]&&this._paintDeclarations[e][t]&&this._paintDeclarations[e][t].value},e.prototype.getPaintValue=function(t,e,r){var n=this._paintSpecifications[t],i=this._paintTransitions[t];return i?i.calculate(e,r):"color"===n.type&&n.default?l(n.default):n.default},e.prototype.getPaintValueStopZoomLevels=function(t){var e=this._paintTransitions[t];return e?e.declaration.stopZoomLevels:[]},e.prototype.getPaintInterpolationT=function(t,e){var r=this._paintTransitions[t];return r.declaration.calculateInterpolationT(e)},e.prototype.isPaintValueFeatureConstant=function(t){var e=this._paintTransitions[t];return!e||e.declaration.isFeatureConstant},e.prototype.isLayoutValueFeatureConstant=function(t){var e=this._layoutDeclarations[t];return!e||e.isFeatureConstant},e.prototype.isPaintValueZoomConstant=function(t){var e=this._paintTransitions[t];return!e||e.declaration.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,r,n,o){for(var a=this,s=i.extend({},this._paintDeclarations[""]),u=0;u<t.length;u++)i.extend(s,a._paintDeclarations[t[u]]);var l;for(l in s)a._applyPaintDeclaration(l,s[l],e,r,n,o);for(l in this._paintTransitions)l in s||a._applyPaintDeclaration(l,null,e,r,n,o)},e.prototype.updatePaintTransition=function(t,e,r,n,i,o){for(var a=this,s=this._paintDeclarations[""][t],u=0;u<e.length;u++){var l=a._paintDeclarations[e[u]];l&&l[t]&&(s=l[t])}this._applyPaintDeclaration(t,s,r,n,i,o)},e.prototype.recalculate=function(t){var e=this;for(var r in this._paintTransitions)e.paint[r]=e.getPaintValue(r,{zoom:t});for(var n in this._layoutFunctions)e.layout[n]=e.getLayoutValue(n,{zoom:t})},e.prototype.serialize=function(){var t=this,e={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:i.mapObject(this._layoutDeclarations,n)};for(var r in this._paintDeclarations){var o=""===r?"paint":"paint."+r;e[o]=i.mapObject(t._paintDeclarations[r],n)}return i.filterObject(e,function(t,e){return void 0!==t&&!("layout"===e&&!Object.keys(t).length)})},e.prototype._applyPaintDeclaration=function(t,e,r,n,s,u){var l=r.transition?this._paintTransitions[t]:void 0,c=this._paintSpecifications[t];if(null!==e&&void 0!==e||(e=new a(c,c.default)),!l||l.declaration.json!==e.json){var h=i.extend({duration:300,delay:0},n,this.getPaintProperty(t+p)),f=this._paintTransitions[t]=new o(c,e,l,h,u);f.instant()||(f.loopID=s.set(f.endTime-Date.now())),l&&s.cancel(l.loopID)}},e.prototype._updateLayoutValue=function(t){var e=this._layoutDeclarations[t];e&&e.isFunction?this._layoutFunctions[t]=!0:(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t))},e.prototype._validate=function(t,e,r,n,i){return(!i||i.validate!==!1)&&u.emitErrors(this,t.call(u,{key:e,layerType:this.type,objectKey:r,value:n,styleSpec:s,style:{glyphs:!0,sprite:!0}}))},e}(c);e.exports=h;var f={circle:t("./style_layer/circle_style_layer"),fill:t("./style_layer/fill_style_layer"),"fill-extrusion":t("./style_layer/fill_extrusion_style_layer"),line:t("./style_layer/line_style_layer"),symbol:t("./style_layer/symbol_style_layer")};h.create=function(t){var e=f[t.type]||h;return new e(t)}},{"../util/evented":116,"../util/util":127,"./parse_color":60,"./style_declaration":62,"./style_layer/circle_style_layer":64,"./style_layer/fill_extrusion_style_layer":65,"./style_layer/fill_style_layer":66,"./style_layer/line_style_layer":67,"./style_layer/symbol_style_layer":68,"./style_spec":70,"./style_transition":71,"./validate_style":72}],64:[function(t,e,r){"use strict";var n=t("../style_layer"),i=t("../../data/bucket/circle_bucket"),o=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 i(t)},e}(n);e.exports=o},{"../../data/bucket/circle_bucket":3,"../style_layer":63}],65:[function(t,e,r){"use strict";var n=t("../style_layer"),i=t("../../data/bucket/fill_extrusion_bucket"),o=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,n){var i=t.prototype.getPaintValue.call(this,e,r,n);return"fill-extrusion-color"===e&&i&&(i[3]=1),i},e.prototype.createBucket=function(t){return new i(t)},e}(n);e.exports=o},{"../../data/bucket/fill_extrusion_bucket":5,"../style_layer":63}],66:[function(t,e,r){"use strict";var n=t("../style_layer"),i=t("../../data/bucket/fill_bucket"),o=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,n){return"fill-outline-color"===e&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintValue.call(this,"fill-color",r,n):t.prototype.getPaintValue.call(this,e,r,n)},e.prototype.getPaintValueStopZoomLevels=function(e){return"fill-outline-color"===e&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintValueStopZoomLevels.call(this,"fill-color"):t.prototype.getPaintValueStopZoomLevels.call(this,e)},e.prototype.getPaintInterpolationT=function(e,r){return"fill-outline-color"===e&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.getPaintInterpolationT.call(this,"fill-color",r):t.prototype.getPaintInterpolationT.call(this,e,r)},e.prototype.isPaintValueFeatureConstant=function(e){return"fill-outline-color"===e&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueFeatureConstant.call(this,"fill-color"):t.prototype.isPaintValueFeatureConstant.call(this,e)},e.prototype.isPaintValueZoomConstant=function(e){return"fill-outline-color"===e&&void 0===this.getPaintProperty("fill-outline-color")?t.prototype.isPaintValueZoomConstant.call(this,"fill-color"):t.prototype.isPaintValueZoomConstant.call(this,e)},e.prototype.createBucket=function(t){return new i(t)},e}(n);e.exports=o},{"../../data/bucket/fill_bucket":4,"../style_layer":63}],67:[function(t,e,r){"use strict";var n=t("../style_layer"),i=t("../../data/bucket/line_bucket"),o=t("../../util/util"),a=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,n){var i=t.prototype.getPaintValue.call(this,e,r,n);if(i&&"line-dasharray"===e){var a=this.getPaintValue("line-width",o.extend({},r,{zoom:Math.floor(r.zoom)}),n);i.fromScale*=a,i.toScale*=a}return i},e.prototype.createBucket=function(t){return new i(t)},e}(n);e.exports=a},{"../../data/bucket/line_bucket":6,"../../util/util":127,"../style_layer":63}],68:[function(t,e,r){"use strict";var n=t("../style_layer"),i=t("../../data/bucket/symbol_bucket"),o=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,r,n){var i=t.prototype.getLayoutValue.call(this,e,r,n);if("auto"!==i)return i;switch(e){case"text-rotation-alignment":case"icon-rotation-alignment":return"line"===this.getLayoutValue("symbol-placement",r,n)?"map":"viewport";case"text-pitch-alignment":return this.getLayoutValue("text-rotation-alignment",r,n);default:return i}},e.prototype.createBucket=function(t){return new i(t)},e}(n);e.exports=o},{"../../data/bucket/symbol_bucket":7,"../style_layer":63}],69:[function(t,e,r){"use strict";var n=t("./style_layer"),i=t("../util/util"),o=t("feature-filter"),a=t("mapbox-gl-style-spec/lib/group_by_layout"),s=function(t){t&&this.replace(t)};s.prototype.replace=function(t){var e=this;this.symbolOrder=[];for(var r=0,n=t;r<n.length;r+=1){var i=n[r];"symbol"===i.type&&e.symbolOrder.push(i.id)}this._layers={},this.update(t,[])},s.prototype.update=function(t,e,r){for(var s=this,u=0,l=t;u<l.length;u+=1){var c=l[u];s._layers[c.id]=c}for(var p=0,h=e;p<h.length;p+=1){var f=h[p];delete s._layers[f]}r&&(this.symbolOrder=r),this.familiesBySource={};for(var d=a(i.values(this._layers)),m=0,y=d;m<y.length;m+=1){var v=y[m];v=v.map(function(t){return t=n.create(t),t.updatePaintTransitions({},{transition:!1}),t.filter=o(t.filter),t});var g=v[0];if(!g.layout||"none"!==g.layout.visibility){var _=g.source||"",x=s.familiesBySource[_];x||(x=s.familiesBySource[_]={});var b=g.sourceLayer||"_geojsonTileLayer",w=x[b];w||(w=x[b]=[]),w.push(v)}}},e.exports=s},{"../util/util":127,"./style_layer":63,"feature-filter":135,"mapbox-gl-style-spec/lib/group_by_layout":165}],70:[function(t,e,r){"use strict";e.exports=t("mapbox-gl-style-spec/reference/latest.min")},{"mapbox-gl-style-spec/reference/latest.min":188}],71:[function(t,e,r){"use strict";function n(t,e,r){if(void 0!==t&&void 0!==e)return{from:t.to,fromScale:t.toScale,to:e.to,toScale:e.toScale,t:r}}var i=t("../util/util"),o=t("../util/interpolate"),a={lastIntegerZoom:0,lastIntegerZoomTime:0,lastZoom:0},s=function(t,e,r,i,s){this.declaration=e,this.startTime=this.endTime=(new Date).getTime(),this.oldTransition=r,this.duration=i.duration||0,this.delay=i.delay||0,this.zoomTransitioned="piecewise-constant"===t.function&&t.transition,this.interp=this.zoomTransitioned?n:o[t.type],this.zoomHistory=s||a,this.instant()||(this.endTime=this.startTime+this.duration+this.delay),r&&r.endTime<=this.startTime&&delete r.oldTransition};s.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},s.prototype.calculate=function(t,e,r){var n=this._calculateTargetValue(t,e);if(this.instant())return n;if(r=r||Date.now(),r>=this.endTime)return n;var o=this.oldTransition.calculate(t,e,this.startTime),a=i.easeCubicInOut((r-this.startTime-this.delay)/this.duration);return this.interp(o,n,a)},s.prototype._calculateTargetValue=function(t,e){if(!this.zoomTransitioned)return this.declaration.calculate(t,e);var r=t.zoom,n=this.zoomHistory.lastIntegerZoom,i=r>n?2:.5,a=this.declaration.calculate({zoom:r>n?r-1:r+1},e),s=this.declaration.calculate({zoom:r},e),u=Math.min((Date.now()-this.zoomHistory.lastIntegerZoomTime)/this.duration,1),l=Math.abs(r-n),c=o(u,1,l);return void 0!==a&&void 0!==s?{from:a,fromScale:i,to:s,toScale:1,t:c}:void 0},e.exports=s},{"../util/interpolate":119,"../util/util":127}],72:[function(t,e,r){"use strict";e.exports=t("mapbox-gl-style-spec/lib/validate_style.min"),e.exports.emitErrors=function(t,e){if(e&&e.length){for(var r=0;r<e.length;r++)t.fire("error",{error:new Error(e[r].message)});return!0}return!1}},{"mapbox-gl-style-spec/lib/validate_style.min":187}],73:[function(t,e,r){"use strict";var n=t("point-geometry"),i=function(t){function e(e,r,n,i){t.call(this,e,r),this.angle=n,void 0!==i&&(this.segment=i)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.clone=function(){return new e(this.x,this.y,this.angle,this.segment)},e}(n);e.exports=i},{"point-geometry":194}],74:[function(t,e,r){"use strict";function n(t,e,r,n,i){if(void 0===e.segment)return!0;for(var o=e,a=e.segment+1,s=0;s>-r/2;){if(a--,a<0)return!1;s-=t[a].dist(o),o=t[a]}s+=t[a].dist(t[a+1]),a++;for(var u=[],l=0;s<r/2;){var c=t[a-1],p=t[a],h=t[a+1];if(!h)return!1;var f=c.angleTo(p)-p.angleTo(h);for(f=Math.abs((f+3*Math.PI)%(2*Math.PI)-Math.PI),u.push({distance:s,angleDelta:f}),l+=f;s-u[0].distance>n;)l-=u.shift().angleDelta;if(l>i)return!1;a++,s+=p.dist(h)}return!0}e.exports=n},{}],75:[function(t,e,r){"use strict";function n(t,e,r,n,o){for(var a=[],s=0;s<t.length;s++)for(var u,l=t[s],c=0;c<l.length-1;c++){var p=l[c],h=l[c+1];p.x<e&&h.x<e||(p.x<e?p=new i(e,p.y+(h.y-p.y)*((e-p.x)/(h.x-p.x)))._round():h.x<e&&(h=new i(e,p.y+(h.y-p.y)*((e-p.x)/(h.x-p.x)))._round()),p.y<r&&h.y<r||(p.y<r?p=new i(p.x+(h.x-p.x)*((r-p.y)/(h.y-p.y)),r)._round():h.y<r&&(h=new i(p.x+(h.x-p.x)*((r-p.y)/(h.y-p.y)),r)._round()),p.x>=n&&h.x>=n||(p.x>=n?p=new i(n,p.y+(h.y-p.y)*((n-p.x)/(h.x-p.x)))._round():h.x>=n&&(h=new i(n,p.y+(h.y-p.y)*((n-p.x)/(h.x-p.x)))._round()),p.y>=o&&h.y>=o||(p.y>=o?p=new i(p.x+(h.x-p.x)*((o-p.y)/(h.y-p.y)),o)._round():h.y>=o&&(h=new i(p.x+(h.x-p.x)*((o-p.y)/(h.y-p.y)),o)._round()),u&&p.equals(u[u.length-1])||(u=[p],a.push(u)),u.push(h)))))}return a}var i=t("point-geometry");e.exports=n},{"point-geometry":194}],76:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=t("point-geometry"),o=n({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{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(o.prototype.StructType.prototype,"anchorPoint",{get:function(){return new i(this.anchorPointX,this.anchorPointY)}}),e.exports=o},{"../util/struct_array":125,"point-geometry":194}],77:[function(t,e,r){"use strict";var n=function(t,e,r,n,i,o,a,s,u,l,c){var p=a.top*s-u,h=a.bottom*s+u,f=a.left*s-u,d=a.right*s+u;if(this.boxStartIndex=t.length,l){var m=h-p,y=d-f;if(m>0)if(m=Math.max(10*s,m),c){var v=e[r.segment+1].sub(e[r.segment])._unit()._mult(y),g=[r.sub(v),r.add(v)];this._addLineCollisionBoxes(t,g,r,0,y,m,n,i,o)}else this._addLineCollisionBoxes(t,e,r,r.segment,y,m,n,i,o)}else t.emplaceBack(r.x,r.y,f,p,d,h,1/0,n,i,o,0,0,0,0,0);this.boxEndIndex=t.length};n.prototype._addLineCollisionBoxes=function(t,e,r,n,i,o,a,s,u){var l=o/2,c=Math.floor(i/l),p=-o/2,h=this.boxes,f=r,d=n+1,m=p;do{if(d--,d<0)return h;m-=e[d].dist(f),f=e[d]}while(m>-i/2);for(var y=e[d].dist(e[d+1]),v=0;v<c;v++){for(var g=-i/2+v*l;m+y<g;){if(m+=y,d++,d+1>=e.length)return h;y=e[d].dist(e[d+1])}var _=g-m,x=e[d],b=e[d+1],w=b.sub(x)._unit()._mult(_)._add(x)._round(),E=Math.max(Math.abs(g-p)-l/2,0),T=i/2/E;t.emplaceBack(w.x,w.y,-o/2,-o/2,o/2,o/2,T,a,s,u,0,0,0,0,0)}return h},e.exports=n},{}],78:[function(t,e,r){"use strict";var n=t("point-geometry"),i=t("../data/extent"),o=t("grid-index"),a=t("../util/intersection_tests"),s=function(t,e,r){if("object"==typeof t){var n=t;r=e,t=n.angle,e=n.pitch,this.grid=new o(n.grid),this.ignoredGrid=new o(n.ignoredGrid)}else this.grid=new o(i,12,6),this.ignoredGrid=new o(i,12,0);this.minScale=.5,this.maxScale=2,this.angle=t,this.pitch=e;var a=Math.sin(t),s=Math.cos(t);if(this.rotationMatrix=[s,-a,a,s],this.reverseRotationMatrix=[s,a,-a,s],this.yStretch=1/Math.cos(e/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=r,0===r.length){r.emplaceBack();var u=32767;r.emplaceBack(0,0,0,-u,0,u,u,0,0,0,0,0,0,0,0,0),r.emplaceBack(i,0,0,-u,0,u,u,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,0,-u,0,u,0,u,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,i,-u,0,u,0,u,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)]};s.prototype.serialize=function(t){var e=this.grid.toArrayBuffer(),r=this.ignoredGrid.toArrayBuffer();return t&&(t.push(e),t.push(r)),{angle:this.angle,pitch:this.pitch,grid:e,ignoredGrid:r}},s.prototype.placeCollisionFeature=function(t,e,r){for(var i=this,o=this.collisionBoxArray,a=this.minScale,s=this.rotationMatrix,u=this.yStretch,l=t.boxStartIndex;l<t.boxEndIndex;l++){var c=o.get(l),p=c.anchorPoint._matMult(s),h=p.x,f=p.y,d=h+c.x1,m=f+c.y1*u,y=h+c.x2,v=f+c.y2*u;if(c.bbox0=d,c.bbox1=m,c.bbox2=y,c.bbox3=v,!e)for(var g=i.grid.query(d,m,y,v),_=0;_<g.length;_++){var x=o.get(g[_]),b=x.anchorPoint._matMult(s);if(a=i.getPlacementScale(a,p,c,b,x),a>=i.maxScale)return a}if(r){var w;if(i.angle){var E=i.reverseRotationMatrix,T=new n(c.x1,c.y1).matMult(E),S=new n(c.x2,c.y1).matMult(E),z=new n(c.x1,c.y2).matMult(E),A=new n(c.x2,c.y2).matMult(E);w=i.tempCollisionBox,w.anchorPointX=c.anchorPoint.x,w.anchorPointY=c.anchorPoint.y,w.x1=Math.min(T.x,S.x,z.x,A.x),w.y1=Math.min(T.y,S.x,z.x,A.x),w.x2=Math.max(T.x,S.x,z.x,A.x),w.y2=Math.max(T.y,S.x,z.x,A.x),w.maxScale=c.maxScale}else w=c;for(var M=0;M<this.edges.length;M++){var P=i.edges[M];if(a=i.getPlacementScale(a,c.anchorPoint,w,P.anchorPoint,P),a>=i.maxScale)return a}}}return a},s.prototype.queryRenderedSymbols=function(t,e){var r={},i=[];if(0===t.length||0===this.grid.length&&0===this.ignoredGrid.length)return i;for(var o=this.collisionBoxArray,s=this.rotationMatrix,u=this.yStretch,l=[],c=1/0,p=1/0,h=-(1/0),f=-(1/0),d=0;d<t.length;d++)for(var m=t[d],y=0;y<m.length;y++){var v=m[y].matMult(s);c=Math.min(c,v.x),p=Math.min(p,v.y),h=Math.max(h,v.x),f=Math.max(f,v.y),l.push(v)}for(var g=this.grid.query(c,p,h,f),_=this.ignoredGrid.query(c,p,h,f),x=0;x<_.length;x++)g.push(_[x]);for(var b=Math.pow(2,Math.ceil(Math.log(e)/Math.LN2*10)/10),w=0;w<g.length;w++){var E=o.get(g[w]),T=E.sourceLayerIndex,S=E.featureIndex;if(void 0===r[T]&&(r[T]={}),!r[T][S]&&!(b<E.placementScale||b>E.maxScale)){var z=E.anchorPoint.matMult(s),A=z.x+E.x1/e,M=z.y+E.y1/e*u,P=z.x+E.x2/e,I=z.y+E.y2/e*u,L=[new n(A,M),new n(P,M),new n(P,I),new n(A,I)];a.polygonIntersectsPolygon(l,L)&&(r[T][S]=!0,i.push(g[w]))}}return i},s.prototype.getPlacementScale=function(t,e,r,n,i){var o=e.x-n.x,a=e.y-n.y,s=(i.x1-r.x2)/o,u=(i.x2-r.x1)/o,l=(i.y1-r.y2)*this.yStretch/a,c=(i.y2-r.y1)*this.yStretch/a;(isNaN(s)||isNaN(u))&&(s=u=1),(isNaN(l)||isNaN(c))&&(l=c=1);var p=Math.min(Math.max(s,u),Math.max(l,c)),h=i.maxScale,f=r.maxScale;return p>h&&(p=h),p>f&&(p=f),p>t&&p>=i.placementScale&&(t=p),t},s.prototype.insertCollisionFeature=function(t,e,r){for(var n=this,i=r?this.ignoredGrid:this.grid,o=this.collisionBoxArray,a=t.boxStartIndex;a<t.boxEndIndex;a++){var s=o.get(a);s.placementScale=e,e<n.maxScale&&i.insert(a,s.bbox0,s.bbox1,s.bbox2,s.bbox3)}},e.exports=s},{"../data/extent":11,"../util/intersection_tests":120,"grid-index":146,"point-geometry":194}],79:[function(t,e,r){"use strict";function n(t,e,r,n,o,a,s,u,l){var c=n?.6*a*s:0,p=Math.max(n?n.right-n.left:0,o?o.right-o.left:0),h=0===t[0].x||t[0].x===l||0===t[0].y||t[0].y===l;e-p*s<e/4&&(e=p*s+e/4);var f=2*a,d=h?e/2*u%e:(p/2+f)*s*u%e;return i(t,d,e,c,r,p*s,h,!1,l)}function i(t,e,r,n,u,l,c,p,h){for(var f=l/2,d=0,m=0;m<t.length-1;m++)d+=t[m].dist(t[m+1]);for(var y=0,v=e-r,g=[],_=0;_<t.length-1;_++){for(var x=t[_],b=t[_+1],w=x.dist(b),E=b.angleTo(x);v+r<y+w;){v+=r;var T=(v-y)/w,S=o(x.x,b.x,T),z=o(x.y,b.y,T);if(S>=0&&S<h&&z>=0&&z<h&&v-f>=0&&v+f<=d){var A=new a(S,z,E,_)._round();n&&!s(t,A,l,n,u)||g.push(A)}}y+=w}return p||g.length||c||(g=i(t,y/2,r,n,u,l,c,!0,h)),g}var o=t("../util/interpolate"),a=t("../symbol/anchor"),s=t("./check_max_angle");e.exports=n},{"../symbol/anchor":73,"../util/interpolate":119,"./check_max_angle":74}],80:[function(t,e,r){"use strict";var n=t("shelf-pack"),i=t("../util/util"),o=4,a=128,s=2048,u=function(){this.width=a,this.height=a,this.bin=new n(this.width,this.height),this.index={},this.ids={},this.data=new Uint8Array(this.width*this.height)};u.prototype.getGlyphs=function(){var t,e,r,n={};for(var i in this.ids)t=i.split("#"),e=t[0],r=t[1],n[e]||(n[e]=[]),n[e].push(r);return n},u.prototype.getRects=function(){var t,e,r,n=this,i={};for(var o in this.ids)t=o.split("#"),e=t[0],r=t[1],i[e]||(i[e]={}),i[e][r]=n.index[o];return i},u.prototype.addGlyph=function(t,e,r,n){var o=this;if(!r)return null;var a=e+"#"+r.id;if(this.index[a])return this.ids[a].indexOf(t)<0&&this.ids[a].push(t),this.index[a];if(!r.bitmap)return null;var s=r.width+2*n,u=r.height+2*n,l=1,c=s+2*l,p=u+2*l;c+=4-c%4,p+=4-p%4;var h=this.bin.packOne(c,p);if(h||(this.resize(),h=this.bin.packOne(c,p)),!h)return i.warnOnce("glyph bitmap overflow"),null;this.index[a]=h,this.ids[a]=[t];for(var f=this.data,d=r.bitmap,m=0;m<u;m++)for(var y=o.width*(h.y+m+l)+h.x+l,v=s*m,g=0;g<s;g++)f[y+g]=d[v+g];return this.dirty=!0,h},u.prototype.resize=function(){var t=this,e=this.width,r=this.height;if(!(e>=s||r>=s)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=o,this.height*=o,this.bin.resize(this.width,this.height);for(var n=new ArrayBuffer(this.width*this.height),i=0;i<r;i++){var a=new Uint8Array(t.data.buffer,r*i,e),u=new Uint8Array(n,r*i*o,e);u.set(a)}this.data=new Uint8Array(n)}},u.prototype.bind=function(t){this.gl=t,this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,null))},u.prototype.updateTexture=function(t){this.bind(t),this.dirty&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.ALPHA,t.UNSIGNED_BYTE,this.data),this.dirty=!1)},e.exports=u},{"../util/util":127,"shelf-pack":197}],81:[function(t,e,r){"use strict";function n(t,e,r,n){return n=n||"abc",r.replace("{s}",n[t.length%n.length]).replace("{fontstack}",t).replace("{range}",e)}var i=t("../util/mapbox").normalizeGlyphsURL,o=t("../util/ajax"),a=t("../util/verticalize_punctuation"),s=t("../util/glyphs"),u=t("../symbol/glyph_atlas"),l=t("pbf"),c=function(t,e,r){var n=1;this.advance=t.advance,this.left=t.left-r-n,this.top=t.top+r+n,this.rect=e},p=function(t){this.url=t&&i(t),this.atlases={},this.stacks={},this.loading={}};p.prototype.getSimpleGlyphs=function(t,e,r,n){var i=this;void 0===this.stacks[t]&&(this.stacks[t]={}),void 0===this.atlases[t]&&(this.atlases[t]=new u);for(var o={},s=this.stacks[t],l=this.atlases[t],p=3,h={},f=0,d=function(e){var n=Math.floor(e/256);if(s[n]){var i=s[n].glyphs[e],a=l.addGlyph(r,t,i,p);i&&(o[e]=new c(i,a,p))}else void 0===h[n]&&(h[n]=[],f++),h[n].push(e)},m=0;m<e.length;m++){var y=e[m],v=String.fromCharCode(y);d(y),a.lookup[v]&&d(a.lookup[v].charCodeAt(0))}f||n(void 0,o,t);var g=function(e,a,s){if(!e)for(var u=i.stacks[t][a]=s.stacks[0],d=0;d<h[a].length;d++){var m=h[a][d],y=u.glyphs[m],v=l.addGlyph(r,t,y,p);y&&(o[m]=new c(y,v,p))}f--,f||n(void 0,o,t)};for(var _ in h)i.loadRange(t,_,g)},p.prototype.loadRange=function(t,e,r){if(256*e>65535)return r("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var i=this.loading[t];if(i[e])i[e].push(r);else{i[e]=[r];var a=256*e+"-"+(256*e+255),u=n(t,a,this.url);o.getArrayBuffer(u,function(t,r){for(var n=!t&&new s(new l(r)),o=0;o<i[e].length;o++)i[e][o](t,e,n);delete i[e]})}},p.prototype.getGlyphAtlas=function(t){return this.atlases[t]},e.exports=p},{"../symbol/glyph_atlas":80,"../util/ajax":107,"../util/glyphs":118,"../util/mapbox":123,"../util/verticalize_punctuation":129,pbf:193}],82:[function(t,e,r){"use strict";e.exports=function(t){function e(e){s.push(t[e]),u++}function r(t,e,r){var n=a[t];return delete a[t],a[e]=n,s[n].geometry[0].pop(),s[n].geometry[0]=s[n].geometry[0].concat(r[0]),n}function n(t,e,r){var n=o[e];return delete o[e],o[t]=n,s[n].geometry[0].shift(),s[n].geometry[0]=r[0].concat(s[n].geometry[0]),n}function i(t,e,r){var n=r?e[0][e[0].length-1]:e[0][0];return t+":"+n.x+":"+n.y}for(var o={},a={},s=[],u=0,l=0;l<t.length;l++){var c=t[l],p=c.geometry,h=c.text;if(h){var f=i(h,p),d=i(h,p,!0);if(f in a&&d in o&&a[f]!==o[d]){var m=n(f,d,p),y=r(f,d,s[m].geometry);delete o[f],delete a[d],a[i(h,s[y].geometry,!0)]=y,s[m].geometry=null}else f in a?r(f,d,p):d in o?n(f,d,p):(e(l),o[f]=u-1,a[d]=u-1)}else e(l)}return s.filter(function(t){return t.geometry})}},{}],83:[function(t,e,r){"use strict";function n(t,e,r,n,i,o,a,s,u,l,c){this.anchorPoint=t,this.tl=e,this.tr=r,this.bl=n,this.br=i,this.tex=o,this.anchorAngle=a,this.glyphAngle=s,this.minScale=u,this.maxScale=l,this.writingMode=c}function i(t,e,r,i,o,a,l,c,p){var h,f,d,m,y=e.image.rect,v=o.layout,g=1,_=e.left-g,x=_+y.w/e.image.pixelRatio,b=e.top-g,w=b+y.h/e.image.pixelRatio;if("none"!==v["icon-text-fit"]&&l){var E=x-_,T=w-b,S=v["text-size"]/24,z=l.left*S,A=l.right*S,M=l.top*S,P=l.bottom*S,I=A-z,L=P-M,k=v["icon-text-fit-padding"][0],C=v["icon-text-fit-padding"][1],R=v["icon-text-fit-padding"][2],D=v["icon-text-fit-padding"][3],O="width"===v["icon-text-fit"]?.5*(L-T):0,B="height"===v["icon-text-fit"]?.5*(I-E):0,j="width"===v["icon-text-fit"]||"both"===v["icon-text-fit"]?I:E,F="height"===v["icon-text-fit"]||"both"===v["icon-text-fit"]?L:T;h=new s(z+B-D,M+O-k),f=new s(z+B+C+j,M+O-k),d=new s(z+B+C+j,M+O+R+F),m=new s(z+B-D,M+O+R+F)}else h=new s(_,b),f=new s(x,b),d=new s(x,w),m=new s(_,w);var U=o.getLayoutValue("icon-rotate",c,p)*Math.PI/180;if(a){var V=i[t.segment];if(t.y===V.y&&t.x===V.x&&t.segment+1<i.length){var N=i[t.segment+1];U+=Math.atan2(t.y-N.y,t.x-N.x)+Math.PI}else U+=Math.atan2(t.y-V.y,t.x-V.x)}if(U){var q=Math.sin(U),Z=Math.cos(U),G=[Z,-q,q,Z];
h=h.matMult(G),f=f.matMult(G),m=m.matMult(G),d=d.matMult(G)}return[new n(new s(t.x,t.y),h,f,m,d,e.image.rect,0,0,u,1/0)]}function o(t,e,r,i,o,l){for(var c=o.layout["text-rotate"]*Math.PI/180,p=o.layout["text-keep-upright"],h=e.positionedGlyphs,f=[],d=0;d<h.length;d++){var m=h[d],y=m.glyph;if(y){var v=y.rect;if(v){var g,_=(m.x+y.advance/2)*r,x=u;l?(g=[],x=a(g,t,_,i,t.segment,!0),p&&(x=Math.min(x,a(g,t,_,i,t.segment,!1)))):g=[{anchorPoint:new s(t.x,t.y),offset:0,angle:0,maxScale:1/0,minScale:u}];var b=m.x+y.left,w=m.y-y.top,E=b+v.w,T=w+v.h,S=new s(m.x,y.advance/2),z=new s(b,w),A=new s(E,w),M=new s(b,T),P=new s(E,T);0!==m.angle&&(z._sub(S)._rotate(m.angle)._add(S),A._sub(S)._rotate(m.angle)._add(S),M._sub(S)._rotate(m.angle)._add(S),P._sub(S)._rotate(m.angle)._add(S));for(var I=0;I<g.length;I++){var L=g[I],k=z,C=A,R=M,D=P;if(c){var O=Math.sin(c),B=Math.cos(c),j=[B,-O,O,B];k=k.matMult(j),C=C.matMult(j),R=R.matMult(j),D=D.matMult(j)}var F=Math.max(L.minScale,x),U=(t.angle+L.offset+2*Math.PI)%(2*Math.PI),V=(L.angle+L.offset+2*Math.PI)%(2*Math.PI);f.push(new n(L.anchorPoint,k,C,R,D,v,U,V,F,L.maxScale,e.writingMode))}}}}return f}function a(t,e,r,n,i,o){var a=!o;r<0&&(o=!o),o&&i++;var l=new s(e.x,e.y),c=n[i],p=1/0;r=Math.abs(r);for(var h=u;;){var f=l.dist(c),d=r/f,m=Math.atan2(c.y-l.y,c.x-l.x);if(o||(m+=Math.PI),t.push({anchorPoint:l,offset:a?Math.PI:0,minScale:d,maxScale:p,angle:(m+2*Math.PI)%(2*Math.PI)}),d<=h)break;for(l=c;l.equals(c);)if(i+=o?1:-1,c=n[i],!c)return d;var y=c.sub(l)._unit();l=l.sub(y._mult(f)),p=d}return h}var s=t("point-geometry");e.exports={getIconQuads:i,getGlyphQuads:o,SymbolQuad:n};var u=.5},{"point-geometry":194}],84:[function(t,e,r){"use strict";var n=t("../util/token");e.exports=function(t,e){var r=n(t.properties,e["text-field"]);if(r){r=r.toString();var i=e["text-transform"];return"uppercase"===i?r=r.toLocaleUpperCase():"lowercase"===i&&(r=r.toLocaleLowerCase()),r}}},{"../util/token":126}],85:[function(t,e,r){"use strict";function n(t,e,r,n,i){this.codePoint=t,this.x=e,this.y=r,this.glyph=n||null,this.angle=i}function i(t,e,r,n,i,o,a){this.positionedGlyphs=t,this.text=e,this.top=r,this.bottom=n,this.left=i,this.right=o,this.writingMode=a}function o(t,e){for(var r=[],n=0,i=0,o=e;i<o.length;i+=1){var a=o[i];r.push(t.substring(n,a)),n=a}return n<t.length&&r.push(t.substring(n,t.length)),r}function a(t,e,r,n,a,s,u,l,c,p,d){t=t.trim(),d===x.vertical&&(t=_(t));var m=[],y=new i(m,t,c[1],c[1],c[0],c[0],d),v=d===x.horizontal&&r?o(t,h(t,l,r,e)):[t];return f(y,e,v,n,a,s,u,c,d,l,p),!!m.length&&y}function s(t,e,r,n){var i=0;for(var o in t){var a=n[t.charCodeAt(o)];a&&(i+=a.advance+e)}var s=Math.max(1,Math.ceil(i/r));return i/s}function u(t,e,r,n){var i=Math.pow(t-e,2);return n&&t<e?Math.max(0,i-150):i+Math.abs(r)*r}function l(t,e){var r=0;return 10===t&&(r-=1e4),!e||40!==e&&65288!==e||(r+=50),41!==t&&65289!==t||(r+=50),r}function c(t,e,r,n,i,o){for(var a=[],s=0,l=n;s<l.length;s+=1){var c=l[s],p=e-c.x;a.push({priorBreak:c,badness:u(p,r,i,o)+c.badness})}return a.push({priorBreak:null,badness:u(e,r,i,o)}),a.sort(function(t,e){return t.badness-e.badness}),{index:t,x:e,priorBreak:a[0].priorBreak,badness:a[0].badness}}function p(t){return t?p(t.priorBreak).concat(t.index):[]}function h(t,e,r,n){if(!r)return[];if(!t)return[];for(var i=[],o=s(t,e,r,n),a=0,u=0;u<t.length;u++){var h=t.charCodeAt(u),f=n[h];if(f||h===b){if(w[h]||g.charAllowsIdeographicBreaking(h)){var d=t.charCodeAt(u-1);i.unshift(c(u,a,o,i,l(h,d),!1))}f&&(a+=f.advance+e)}}return i.unshift(c(t.length,a,o,i,0,!0)),p(i.shift())}function f(t,e,r,i,o,a,s,u,l,c,p){var h=-17,f=0,y=h,v=0,_=t.positionedGlyphs;for(var b in r){var w=r[b].trim();if(w.length){for(var E=_.length,T=0;T<w.length;T++){var S=w.charCodeAt(T),z=e[S];z&&(g.charHasUprightVerticalOrientation(S)&&l!==x.horizontal?(_.push(new n(S,f,0,z,-Math.PI/2)),f+=p+c):(_.push(new n(S,f,y,z,0)),f+=z.advance+c))}if(_.length!==E){var A=f-c;v=Math.max(A,v),d(_,e,E,_.length-1,s)}f=0,y+=i}else y+=i}m(_,s,o,a,v,i,r.length,u);var M=r.length*i;t.top+=-a*M,t.bottom=t.top+M,t.left+=-o*v,t.right=t.left+v}function d(t,e,r,n,i){if(i)for(var o=e[t[n].codePoint].advance,a=(t[n].x+o)*i,s=r;s<=n;s++)t[s].x-=a}function m(t,e,r,n,i,o,a,s){for(var u=(e-r)*i+s[0],l=(-n*a+.5)*o+s[1],c=0;c<t.length;c++)t[c].x+=u,t[c].y+=l}function y(t,e){if(!t||!t.rect)return null;var r=e[0],n=e[1],i=r-t.width/2,o=i+t.width,a=n-t.height/2,s=a+t.height;return new v(t,a,s,i,o)}function v(t,e,r,n,i){this.image=t,this.top=e,this.bottom=r,this.left=n,this.right=i}var g=t("../util/script_detection"),_=t("../util/verticalize_punctuation"),x={horizontal:1,vertical:2};e.exports={shapeText:a,shapeIcon:y,WritingMode:x};var b=10,w={32:!0,38:!0,40:!0,41:!0,43:!0,45:!0,47:!0,173:!0,183:!0,8203:!0,8208:!0,8211:!0,8231:!0};w[b]=!0},{"../util/script_detection":124,"../util/verticalize_punctuation":129}],86:[function(t,e,r){"use strict";function n(t,e,r,n,i,o,a,s,u,l,c){var p,h,f=n*e+r,d=s*o+a;if(c)for(d-=o,h=-1;h<=l;h++,f=((h+l)%l+n)*e+r,d+=o)for(p=-1;p<=u;p++)i[d+p]=t[f+(p+u)%u];else for(h=0;h<l;h++,f+=e,d+=o)for(p=0;p<u;p++)i[d+p]=t[f+p]}var i=t("shelf-pack"),o=t("../util/browser"),a=t("../util/util"),s=function(t,e,r,n,i){this.rect=t,this.width=e,this.height=r,this.sdf=n,this.pixelRatio=i},u=function(t,e){this.width=t,this.height=e,this.bin=new i(t,e),this.images={},this.data=!1,this.texture=0,this.filter=0,this.pixelRatio=1,this.dirty=!0};u.prototype.allocateImage=function(t,e){t/=this.pixelRatio,e/=this.pixelRatio;var r=2,n=t+r+(4-(t+r)%4),i=e+r+(4-(e+r)%4),o=this.bin.packOne(n,i);return o?o:(a.warnOnce("SpriteAtlas out of space."),null)},u.prototype.getImage=function(t,e){if(this.images[t])return this.images[t];if(!this.sprite)return null;var r=this.sprite.getSpritePosition(t);if(!r.width||!r.height)return null;var n=this.allocateImage(r.width,r.height);if(!n)return null;var i=new s(n,r.width/r.pixelRatio,r.height/r.pixelRatio,r.sdf,r.pixelRatio/this.pixelRatio);return this.images[t]=i,this.copy(n,r,e),i},u.prototype.getPosition=function(t,e){var r=this.getImage(t,e),n=r&&r.rect;if(!n)return null;var i=r.width*r.pixelRatio,o=r.height*r.pixelRatio,a=1;return{size:[r.width,r.height],tl:[(n.x+a)/this.width,(n.y+a)/this.height],br:[(n.x+a+i)/this.width,(n.y+a+o)/this.height]}},u.prototype.allocate=function(){var t=this;if(!this.data){var e=Math.floor(this.width*this.pixelRatio),r=Math.floor(this.height*this.pixelRatio);this.data=new Uint32Array(e*r);for(var n=0;n<this.data.length;n++)t.data[n]=0}},u.prototype.copy=function(t,e,r){if(this.sprite.imgData){var i=new Uint32Array(this.sprite.imgData.buffer);this.allocate();var o=this.data,a=1;n(i,this.sprite.width,e.x,e.y,o,this.width*this.pixelRatio,(t.x+a)*this.pixelRatio,(t.y+a)*this.pixelRatio,e.width,e.height,r),this.dirty=!0}},u.prototype.setSprite=function(t){t&&(this.pixelRatio=o.devicePixelRatio>1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},u.prototype.addIcons=function(t,e){for(var r=this,n=0;n<t.length;n++)r.getImage(t[n]);e(null,this.images)},u.prototype.bind=function(t,e){var r=!1;this.texture?t.bindTexture(t.TEXTURE_2D,this.texture):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r=!0);var n=e?t.LINEAR:t.NEAREST;n!==this.filter&&(t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,n),this.filter=n),this.dirty&&(this.allocate(),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width*this.pixelRatio,this.height*this.pixelRatio,0,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)):t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width*this.pixelRatio,this.height*this.pixelRatio,t.RGBA,t.UNSIGNED_BYTE,new Uint8Array(this.data.buffer)),this.dirty=!1)},e.exports=u},{"../util/browser":108,"../util/util":127,"shelf-pack":197}],87:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=t("point-geometry"),o=n({members:[{type:"Uint16",name:"textBoxStartIndex"},{type:"Uint16",name:"textBoxEndIndex"},{type:"Uint16",name:"iconBoxStartIndex"},{type:"Uint16",name:"iconBoxEndIndex"},{type:"Uint16",name:"glyphQuadStartIndex"},{type:"Uint16",name:"glyphQuadEndIndex"},{type:"Uint16",name:"iconQuadStartIndex"},{type:"Uint16",name:"iconQuadEndIndex"},{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int8",name:"index"},{type:"Uint8",name:"writingModes"}]});Object.defineProperty(o.prototype.StructType.prototype,"anchorPoint",{get:function(){return new i(this.anchorPointX,this.anchorPointY)}}),e.exports=o},{"../util/struct_array":125,"point-geometry":194}],88:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=t("point-geometry"),o=t("./quads").SymbolQuad,a=n({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Float32",name:"tlX"},{type:"Float32",name:"tlY"},{type:"Float32",name:"trX"},{type:"Float32",name:"trY"},{type:"Float32",name:"blX"},{type:"Float32",name:"blY"},{type:"Float32",name:"brX"},{type:"Float32",name:"brY"},{type:"Int16",name:"texH"},{type:"Int16",name:"texW"},{type:"Int16",name:"texX"},{type:"Int16",name:"texY"},{type:"Float32",name:"anchorAngle"},{type:"Float32",name:"glyphAngle"},{type:"Float32",name:"maxScale"},{type:"Float32",name:"minScale"},{type:"Uint8",name:"writingMode"}]});Object.defineProperty(a.prototype.StructType.prototype,"anchorPoint",{get:function(){return new i(this.anchorPointX,this.anchorPointY)}}),Object.defineProperty(a.prototype.StructType.prototype,"SymbolQuad",{get:function(){return new o(this.anchorPoint,new i(this.tlX,this.tlY),new i(this.trX,this.trY),new i(this.blX,this.blY),new i(this.brX,this.brY),{x:this.texX,y:this.texY,h:this.texH,w:this.texW,height:this.texH,width:this.texW},this.anchorAngle,this.glyphAngle,this.minScale,this.maxScale,this.writingMode)}}),e.exports=a},{"../util/struct_array":125,"./quads":83,"point-geometry":194}],89:[function(t,e,r){"use strict";var n=t("../util/dom"),i=t("point-geometry"),o={scrollZoom:t("./handler/scroll_zoom"),boxZoom:t("./handler/box_zoom"),dragRotate:t("./handler/drag_rotate"),dragPan:t("./handler/drag_pan"),keyboard:t("./handler/keyboard"),doubleClickZoom:t("./handler/dblclick_zoom"),touchZoomRotate:t("./handler/touch_zoom_rotate")};e.exports=function(t,e){function r(t){v("mouseout",t)}function a(e){t.stop(),w=n.mousePos(_,e),v("mousedown",e),b=!0}function s(e){var r=t.dragRotate&&t.dragRotate.isActive();x&&!r&&v("contextmenu",x),x=null,b=!1,v("mouseup",e)}function u(e){if(!(t.dragPan&&t.dragPan.isActive()||t.dragRotate&&t.dragRotate.isActive())){for(var r=e.toElement||e.target;r&&r!==_;)r=r.parentNode;r===_&&v("mousemove",e)}}function l(e){t.stop(),g("touchstart",e),!e.touches||e.touches.length>1||(E?(clearTimeout(E),E=null,v("dblclick",e)):E=setTimeout(f,300))}function c(t){g("touchmove",t)}function p(t){g("touchend",t)}function h(t){g("touchcancel",t)}function f(){E=null}function d(t){var e=n.mousePos(_,t);e.equals(w)&&v("click",t)}function m(t){v("dblclick",t),t.preventDefault()}function y(e){var r=t.dragRotate&&t.dragRotate.isActive();b||r?b&&(x=e):v("contextmenu",e),e.preventDefault()}function v(e,r){var i=n.mousePos(_,r);return t.fire(e,{lngLat:t.unproject(i),point:i,originalEvent:r})}function g(e,r){var o=n.touchPos(_,r),a=o.reduce(function(t,e,r,n){return t.add(e.div(n.length))},new i(0,0));return t.fire(e,{lngLat:t.unproject(a),point:a,lngLats:o.map(function(e){return t.unproject(e)},this),points:o,originalEvent:r})}var _=t.getCanvasContainer(),x=null,b=!1,w=null,E=null;for(var T in o)t[T]=new o[T](t,e),e.interactive&&e[T]&&t[T].enable();_.addEventListener("mouseout",r,!1),_.addEventListener("mousedown",a,!1),_.addEventListener("mouseup",s,!1),_.addEventListener("mousemove",u,!1),_.addEventListener("touchstart",l,!1),_.addEventListener("touchend",p,!1),_.addEventListener("touchmove",c,!1),_.addEventListener("touchcancel",h,!1),_.addEventListener("click",d,!1),_.addEventListener("dblclick",m,!1),_.addEventListener("contextmenu",y,!1)}},{"../util/dom":115,"./handler/box_zoom":95,"./handler/dblclick_zoom":96,"./handler/drag_pan":97,"./handler/drag_rotate":98,"./handler/keyboard":99,"./handler/scroll_zoom":100,"./handler/touch_zoom_rotate":101,"point-geometry":194}],90:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../util/interpolate"),o=t("../util/browser"),a=t("../geo/lng_lat"),s=t("../geo/lng_lat_bounds"),u=t("point-geometry"),l=t("../util/evented"),c=function(t){function e(e,r){t.call(this),this.transform=e,this._bearingSnap=r.bearingSnap}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getCenter=function(){return this.transform.center},e.prototype.setCenter=function(t,e){return this.jumpTo({center:t},e),this},e.prototype.panBy=function(t,e,r){return this.panTo(this.transform.center,n.extend({offset:u.convert(t).mult(-1)},e),r),this},e.prototype.panTo=function(t,e,r){return this.easeTo(n.extend({center:t},e),r)},e.prototype.getZoom=function(){return this.transform.zoom},e.prototype.setZoom=function(t,e){return this.jumpTo({zoom:t},e),this},e.prototype.zoomTo=function(t,e,r){return this.easeTo(n.extend({zoom:t},e),r)},e.prototype.zoomIn=function(t,e){return this.zoomTo(this.getZoom()+1,t,e),this},e.prototype.zoomOut=function(t,e){return this.zoomTo(this.getZoom()-1,t,e),this},e.prototype.getBearing=function(){return this.transform.bearing},e.prototype.setBearing=function(t,e){return this.jumpTo({bearing:t},e),this},e.prototype.rotateTo=function(t,e,r){return this.easeTo(n.extend({bearing:t},e),r)},e.prototype.resetNorth=function(t,e){return this.rotateTo(0,n.extend({duration:1e3},t),e),this},e.prototype.snapToNorth=function(t,e){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,e):this},e.prototype.getPitch=function(){return this.transform.pitch},e.prototype.setPitch=function(t,e){return this.jumpTo({pitch:t},e),this},e.prototype.fitBounds=function(t,e,r){e=n.extend({padding:0,offset:[0,0],maxZoom:this.getMaxZoom()},e),t=s.convert(t);var i=u.convert(e.offset),o=this.transform,a=o.project(t.getNorthWest()),l=o.project(t.getSouthEast()),c=l.sub(a),p=(o.width-2*e.padding-2*Math.abs(i.x))/c.x,h=(o.height-2*e.padding-2*Math.abs(i.y))/c.y;return e.center=o.unproject(a.add(l).div(2)),e.zoom=Math.min(o.scaleZoom(o.scale*Math.min(p,h)),e.maxZoom),e.bearing=0,e.linear?this.easeTo(e,r):this.flyTo(e,r)},e.prototype.jumpTo=function(t,e){this.stop();var r=this.transform,n=!1,i=!1,o=!1;return"zoom"in t&&r.zoom!==+t.zoom&&(n=!0,r.zoom=+t.zoom),"center"in t&&(r.center=a.convert(t.center)),"bearing"in t&&r.bearing!==+t.bearing&&(i=!0,r.bearing=+t.bearing),"pitch"in t&&r.pitch!==+t.pitch&&(o=!0,r.pitch=+t.pitch),this.fire("movestart",e).fire("move",e),n&&this.fire("zoomstart",e).fire("zoom",e).fire("zoomend",e),i&&this.fire("rotate",e),o&&this.fire("pitch",e),this.fire("moveend",e)},e.prototype.easeTo=function(t,e){var r=this;this.stop(),t=n.extend({offset:[0,0],duration:500,easing:n.ease},t);var o,s,l=this.transform,c=u.convert(t.offset),p=this.getZoom(),h=this.getBearing(),f=this.getPitch(),d="zoom"in t?+t.zoom:p,m="bearing"in t?this._normalizeBearing(t.bearing,h):h,y="pitch"in t?+t.pitch:f;"center"in t?(o=a.convert(t.center),s=l.centerPoint.add(c)):"around"in t?(o=a.convert(t.around),s=l.locationPoint(o)):(s=l.centerPoint.add(c),o=l.pointLocation(s));var v=l.locationPoint(o);return t.animate===!1&&(t.duration=0),this.zooming=d!==p,this.rotating=h!==m,this.pitching=y!==f,t.smoothEasing&&0!==t.duration&&(t.easing=this._smoothOutEasing(t.duration)),t.noMoveStart||this.fire("movestart",e),this.zooming&&this.fire("zoomstart",e),clearTimeout(this._onEaseEnd),this._ease(function(t){this.zooming&&(l.zoom=i(p,d,t)),this.rotating&&(l.bearing=i(h,m,t)),this.pitching&&(l.pitch=i(f,y,t)),l.setLocationAtPoint(o,v.add(s.sub(v)._mult(t))),this.fire("move",e),this.zooming&&this.fire("zoom",e),this.rotating&&this.fire("rotate",e),this.pitching&&this.fire("pitch",e)},function(){t.delayEndEvents?r._onEaseEnd=setTimeout(r._easeToEnd.bind(r,e),t.delayEndEvents):r._easeToEnd(e)},t),this},e.prototype._easeToEnd=function(t){var e=this.zooming;this.zooming=!1,this.rotating=!1,this.pitching=!1,e&&this.fire("zoomend",t),this.fire("moveend",t)},e.prototype.flyTo=function(t,e){function r(t){var e=(T*T-E*E+(t?-1:1)*M*M*S*S)/(2*(t?T:E)*M*S);return Math.log(Math.sqrt(e*e+1)-e)}function o(t){return(Math.exp(t)-Math.exp(-t))/2}function s(t){return(Math.exp(t)+Math.exp(-t))/2}function l(t){return o(t)/s(t)}this.stop(),t=n.extend({offset:[0,0],speed:1.2,curve:1.42,easing:n.ease},t);var c=this.transform,p=u.convert(t.offset),h=this.getZoom(),f=this.getBearing(),d=this.getPitch(),m="center"in t?a.convert(t.center):this.getCenter(),y="zoom"in t?+t.zoom:h,v="bearing"in t?this._normalizeBearing(t.bearing,f):f,g="pitch"in t?+t.pitch:d;Math.abs(c.center.lng)+Math.abs(m.lng)>180&&(c.center.lng>0&&m.lng<0?m.lng+=360:c.center.lng<0&&m.lng>0&&(m.lng-=360));var _=c.zoomScale(y-h),x=c.point,b="center"in t?c.project(m).sub(p.div(_)):x,w=t.curve,E=Math.max(c.width,c.height),T=E/_,S=b.sub(x).mag();if("minZoom"in t){var z=n.clamp(Math.min(t.minZoom,h,y),c.minZoom,c.maxZoom),A=E/c.zoomScale(z-h);w=Math.sqrt(A/S*2)}var M=w*w,P=r(0),I=function(t){return s(P)/s(P+w*t)},L=function(t){return E*((s(P)*l(P+w*t)-o(P))/M)/S},k=(r(1)-P)/w;if(Math.abs(S)<1e-6){if(Math.abs(E-T)<1e-6)return this.easeTo(t);var C=T<E?-1:1;k=Math.abs(Math.log(T/E))/w,L=function(){return 0},I=function(t){return Math.exp(C*w*t)}}if("duration"in t)t.duration=+t.duration;else{var R="screenSpeed"in t?+t.screenSpeed/w:+t.speed;t.duration=1e3*k/R}return this.zooming=!0,f!==v&&(this.rotating=!0),d!==g&&(this.pitching=!0),this.fire("movestart",e),this.fire("zoomstart",e),this._ease(function(t){var r=t*k,n=L(r),o=1/I(r);c.zoom=h+c.scaleZoom(o),c.center=c.unproject(x.add(b.sub(x).mult(n)).mult(o)),this.rotating&&(c.bearing=i(f,v,t)),this.pitching&&(c.pitch=i(d,g,t)),this.fire("move",e),this.fire("zoom",e),this.rotating&&this.fire("rotate",e),this.pitching&&this.fire("pitch",e)},function(){this.zooming=!1,this.rotating=!1,this.pitching=!1,this.fire("zoomend",e),this.fire("moveend",e)},t),this},e.prototype.isEasing=function(){return!!this._abortFn},e.prototype.stop=function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},e.prototype._ease=function(t,e,r){this._finishFn=e,this._abortFn=o.timed(function(e){t.call(this,r.easing(e)),1===e&&this._finishEase()},r.animate===!1?0:r.duration,this)},e.prototype._finishEase=function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},e.prototype._normalizeBearing=function(t,e){t=n.wrap(t,-180,180);var r=Math.abs(t-e);return Math.abs(t-360-e)<r&&(t-=360),Math.abs(t+360-e)<r&&(t+=360),t},e.prototype._smoothOutEasing=function(t){var e=n.ease;if(this._prevEase){var r=this._prevEase,i=(Date.now()-r.start)/r.duration,o=r.easing(i+.01)-r.easing(i),a=.27/Math.sqrt(o*o+1e-4)*.01,s=Math.sqrt(.0729-a*a);e=n.bezier(a,s,.25,1)}return this._prevEase={start:(new Date).getTime(),duration:t,easing:e},e},e}(l);e.exports=c},{"../geo/lng_lat":19,"../geo/lng_lat_bounds":20,"../util/browser":108,"../util/evented":116,"../util/interpolate":119,"../util/util":127,"point-geometry":194}],91:[function(t,e,r){"use strict";var n=t("../../util/dom"),i=t("../../util/util"),o=function(t){this.options=t,i.bindAll(["_updateEditLink","_updateData","_updateCompact"],this)};o.prototype.getDefaultPosition=function(){return"bottom-right"},o.prototype.onAdd=function(t){var e=this.options&&this.options.compact;return this._map=t,this._container=n.create("div","mapboxgl-ctrl mapboxgl-ctrl-attrib"),e&&this._container.classList.add("compact"),this._updateAttributions(),this._updateEditLink(),this._map.on("data",this._updateData),this._map.on("moveend",this._updateEditLink),void 0===e&&(this._map.on("resize",this._updateCompact),this._updateCompact()),this._container},o.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("data",this._updateData),this._map.off("moveend",this._updateEditLink),this._map.off("resize",this._updateCompact),this._map=void 0},o.prototype._updateEditLink=function(){if(this._editLink||(this._editLink=this._container.querySelector(".mapbox-improve-map")),this._editLink){var t=this._map.getCenter();this._editLink.href="https://www.mapbox.com/map-feedback/#/"+t.lng+"/"+t.lat+"/"+Math.round(this._map.getZoom()+1)}},o.prototype._updateData=function(t){"source"===t.dataType&&(this._updateAttributions(),this._updateEditLink())},o.prototype._updateAttributions=function(){if(this._map.style){var t=[],e=this._map.style.sourceCaches;for(var r in e){var n=e[r].getSource();n.attribution&&t.indexOf(n.attribution)<0&&t.push(n.attribution)}t.sort(function(t,e){return t.length-e.length}),t=t.filter(function(e,r){for(var n=r+1;n<t.length;n++)if(t[n].indexOf(e)>=0)return!1;return!0}),this._container.innerHTML=t.join(" | "),this._editLink=null}},o.prototype._updateCompact=function(){var t=this._map.getCanvasContainer().offsetWidth<=640;this._container.classList[t?"add":"remove"]("compact")},e.exports=o},{"../../util/dom":115,"../../util/util":127}],92:[function(t,e,r){"use strict";function n(t){void 0!==i?t(i):void 0!==s.navigator.permissions?s.navigator.permissions.query({name:"geolocation"}).then(function(e){i="denied"!==e.state,t(i)}):(i=!!s.navigator.geolocation,t(i))}var i,o=t("../../util/evented"),a=t("../../util/dom"),s=t("../../util/window"),u=t("../../util/util"),l={enableHighAccuracy:!1,timeout:6e3},c="mapboxgl-ctrl",p=function(t){function e(e){t.call(this),this.options=e,u.bindAll(["_onSuccess","_onError","_finish","_setupUI"],this)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.onAdd=function(t){return this._map=t,this._container=a.create("div",c+" "+c+"-group"),n(this._setupUI),this._container},e.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map=void 0},e.prototype._onSuccess=function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},e.prototype._onError=function(t){this.fire("error",t),this._finish()},e.prototype._finish=function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0},e.prototype._setupUI=function(t){t!==!1&&(this._container.addEventListener("contextmenu",function(t){return t.preventDefault()}),this._geolocateButton=a.create("button",c+"-icon "+c+"-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.setAttribute("aria-label","Geolocate"),this.options.watchPosition&&this._geolocateButton.setAttribute("aria-pressed",!1),this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)))},e.prototype._onClickGeolocate=function(){var t=u.extend(l,this.options&&this.options.positionOptions||{});this.options.watchPosition?void 0!==this._geolocationWatchID?(this._geolocateButton.classList.remove("watching"),this._geolocateButton.setAttribute("aria-pressed",!1),s.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0):(this._geolocateButton.classList.add("watching"),this._geolocateButton.setAttribute("aria-pressed",!0),this._geolocationWatchID=s.navigator.geolocation.watchPosition(this._onSuccess,this._onError,t)):(s.navigator.geolocation.getCurrentPosition(this._onSuccess,this._onError,t),this._timeoutId=setTimeout(this._finish,1e4))},e}(o);e.exports=p},{"../../util/dom":115,"../../util/evented":116,"../../util/util":127,"../../util/window":110}],93:[function(t,e,r){"use strict";function n(t){return new o.MouseEvent(t.type,{button:2,buttons:2,bubbles:!0,cancelable:!0,detail:t.detail,view:t.view,screenX:t.screenX,screenY:t.screenY,clientX:t.clientX,clientY:t.clientY,movementX:t.movementX,movementY:t.movementY,ctrlKey:t.ctrlKey,shiftKey:t.shiftKey,altKey:t.altKey,metaKey:t.metaKey})}var i=t("../../util/dom"),o=t("../../util/window"),a=t("../../util/util"),s="mapboxgl-ctrl",u=function(){a.bindAll(["_rotateCompassArrow"],this)};u.prototype._rotateCompassArrow=function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t},u.prototype.onAdd=function(t){return this._map=t,this._container=i.create("div",s+" "+s+"-group",t.getContainer()),this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(s+"-icon "+s+"-zoom-in","Zoom In",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(s+"-icon "+s+"-zoom-out","Zoom Out",t.zoomOut.bind(t)),this._compass=this._createButton(s+"-icon "+s+"-compass","Reset North",t.resetNorth.bind(t)),this._compassArrow=i.create("span","arrow",this._compass),this._compass.addEventListener("mousedown",this._onCompassDown.bind(this)),this._onCompassMove=this._onCompassMove.bind(this),this._onCompassUp=this._onCompassUp.bind(this),this._map.on("rotate",this._rotateCompassArrow),this._rotateCompassArrow(),this._container},u.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("rotate",this._rotateCompassArrow),this._map=void 0},u.prototype._onContextMenu=function(t){t.preventDefault()},u.prototype._onCompassDown=function(t){0===t.button&&(i.disableDrag(),o.document.addEventListener("mousemove",this._onCompassMove),o.document.addEventListener("mouseup",this._onCompassUp),this._map.getCanvasContainer().dispatchEvent(n(t)),t.stopPropagation())},u.prototype._onCompassMove=function(t){0===t.button&&(this._map.getCanvasContainer().dispatchEvent(n(t)),t.stopPropagation())},u.prototype._onCompassUp=function(t){0===t.button&&(o.document.removeEventListener("mousemove",this._onCompassMove),o.document.removeEventListener("mouseup",this._onCompassUp),i.enableDrag(),this._map.getCanvasContainer().dispatchEvent(n(t)),t.stopPropagation())},u.prototype._createButton=function(t,e,r){var n=i.create("button",t,this._container);return n.type="button",n.setAttribute("aria-label",e),n.addEventListener("click",function(){r()}),n},e.exports=u},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],94:[function(t,e,r){"use strict";function n(t,e,r){var n=r&&r.maxWidth||100,a=t._container.clientHeight/2,s=o(t.unproject([0,a]),t.unproject([n,a]));if(r&&"imperial"===r.unit){var u=3.2808*s;if(u>5280){var l=u/5280;i(e,n,l,"mi")}else i(e,n,u,"ft")}else i(e,n,s,"m")}function i(t,e,r,n){var i=a(r),o=i/r;"m"===n&&i>=1e3&&(i/=1e3,n="km"),t.style.width=e*o+"px",t.innerHTML=i+n}function o(t,e){var r=6371e3,n=Math.PI/180,i=t.lat*n,o=e.lat*n,a=Math.sin(i)*Math.sin(o)+Math.cos(i)*Math.cos(o)*Math.cos((e.lng-t.lng)*n),s=r*Math.acos(Math.min(a,1));return s}function a(t){var e=Math.pow(10,(""+Math.floor(t)).length-1),r=t/e;return r=r>=10?10:r>=5?5:r>=3?3:r>=2?2:1,e*r}var s=t("../../util/dom"),u=t("../../util/util"),l=function(t){this.options=t,u.bindAll(["_onMove"],this)};l.prototype.getDefaultPosition=function(){return"bottom-left"},l.prototype._onMove=function(){n(this._map,this._container,this.options)},l.prototype.onAdd=function(t){return this._map=t,this._container=s.create("div","mapboxgl-ctrl mapboxgl-ctrl-scale",t.getContainer()),this._map.on("move",this._onMove),this._onMove(),this._container},l.prototype.onRemove=function(){this._container.parentNode.removeChild(this._container),this._map.off("move",this._onMove),this._map=void 0},e.exports=l},{"../../util/dom":115,"../../util/util":127}],95:[function(t,e,r){"use strict";var n=t("../../util/dom"),i=t("../../geo/lng_lat_bounds"),o=t("../../util/util"),a=t("../../util/window"),s=function(t){this._map=t,this._el=t.getCanvasContainer(),this._container=t.getContainer(),o.bindAll(["_onMouseDown","_onMouseMove","_onMouseUp","_onKeyDown"],this)};s.prototype.isEnabled=function(){return!!this._enabled},s.prototype.isActive=function(){return!!this._active},s.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},s.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},s.prototype._onMouseDown=function(t){t.shiftKey&&0===t.button&&(a.document.addEventListener("mousemove",this._onMouseMove,!1),a.document.addEventListener("keydown",this._onKeyDown,!1),a.document.addEventListener("mouseup",this._onMouseUp,!1),n.disableDrag(),this._startPos=n.mousePos(this._el,t),this._active=!0)},s.prototype._onMouseMove=function(t){var e=this._startPos,r=n.mousePos(this._el,t);this._box||(this._box=n.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",t));var i=Math.min(e.x,r.x),o=Math.max(e.x,r.x),a=Math.min(e.y,r.y),s=Math.max(e.y,r.y);n.setTransform(this._box,"translate("+i+"px,"+a+"px)"),this._box.style.width=o-i+"px",this._box.style.height=s-a+"px"},s.prototype._onMouseUp=function(t){if(0===t.button){var e=this._startPos,r=n.mousePos(this._el,t),o=(new i).extend(this._map.unproject(e)).extend(this._map.unproject(r));this._finish(),e.x===r.x&&e.y===r.y?this._fireEvent("boxzoomcancel",t):this._map.fitBounds(o,{linear:!0}).fire("boxzoomend",{originalEvent:t,boxZoomBounds:o})}},s.prototype._onKeyDown=function(t){27===t.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",t))},s.prototype._finish=function(){this._active=!1,a.document.removeEventListener("mousemove",this._onMouseMove,!1),a.document.removeEventListener("keydown",this._onKeyDown,!1),a.document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),n.enableDrag()},s.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},e.exports=s},{"../../geo/lng_lat_bounds":20,"../../util/dom":115,"../../util/util":127,"../../util/window":110}],96:[function(t,e,r){"use strict";var n=function(t){this._map=t,this._onDblClick=this._onDblClick.bind(this)};n.prototype.isEnabled=function(){return!!this._enabled},n.prototype.enable=function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},n.prototype.disable=function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},n.prototype._onDblClick=function(t){this._map.zoomTo(this._map.getZoom()+(t.originalEvent.shiftKey?-1:1),{around:t.lngLat},t)},e.exports=n},{}],97:[function(t,e,r){"use strict";var n=t("../../util/dom"),i=t("../../util/util"),o=t("../../util/window"),a=.3,s=i.bezier(0,0,a,1),u=1400,l=2500,c=function(t){this._map=t,this._el=t.getCanvasContainer(),i.bindAll(["_onDown","_onMove","_onUp","_onTouchEnd","_onMouseUp"],this)};c.prototype.isEnabled=function(){return!!this._enabled},c.prototype.isActive=function(){return!!this._active},c.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},c.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},c.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(o.document.addEventListener("touchmove",this._onMove),o.document.addEventListener("touchend",this._onTouchEnd)):(o.document.addEventListener("mousemove",this._onMove),o.document.addEventListener("mouseup",this._onMouseUp)),this._active=!1,this._startPos=this._pos=n.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},c.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=n.mousePos(this._el,t),r=this._map;r.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),r.transform.setLocationAtPoint(r.transform.pointLocation(this._pos),e),
this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},c.prototype._onUp=function(t){var e=this;if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var r=function(){return e._fireEvent("moveend",t)},n=this._inertia;if(n.length<2)return void r();var i=n[n.length-1],o=n[0],c=i[1].sub(o[1]),p=(i[0]-o[0])/1e3;if(0===p||i[1].equals(o[1]))return void r();var h=c.mult(a/p),f=h.mag();f>u&&(f=u,h._unit()._mult(f));var d=f/(l*a),m=h.mult(-d/2);this._map.panBy(m,{duration:1e3*d,easing:s,noMoveStart:!0},{originalEvent:t})}},c.prototype._onMouseUp=function(t){this._ignoreEvent(t)||(this._onUp(t),o.document.removeEventListener("mousemove",this._onMove),o.document.removeEventListener("mouseup",this._onMouseUp))},c.prototype._onTouchEnd=function(t){this._ignoreEvent(t)||(this._onUp(t),o.document.removeEventListener("touchmove",this._onMove),o.document.removeEventListener("touchend",this._onTouchEnd))},c.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},c.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragRotate&&e.dragRotate.isActive())return!0;if(t.touches)return t.touches.length>1;if(t.ctrlKey)return!0;var r=1,n=0;return"mousemove"===t.type?t.buttons&0===r:t.button!==n},c.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),r=160;t.length>0&&e-t[0][0]>r;)t.shift()},e.exports=c},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],98:[function(t,e,r){"use strict";var n=t("../../util/dom"),i=t("../../util/util"),o=t("../../util/window"),a=.25,s=i.bezier(0,0,a,1),u=180,l=720,c=function(t,e){this._map=t,this._el=t.getCanvasContainer(),this._bearingSnap=e.bearingSnap,this._pitchWithRotate=e.pitchWithRotate!==!1,i.bindAll(["_onDown","_onMove","_onUp"],this)};c.prototype.isEnabled=function(){return!!this._enabled},c.prototype.isActive=function(){return!!this._active},c.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},c.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},c.prototype._onDown=function(t){this._ignoreEvent(t)||this.isActive()||(o.document.addEventListener("mousemove",this._onMove),o.document.addEventListener("mouseup",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=n.mousePos(this._el,t),this._center=this._map.transform.centerPoint,t.preventDefault())},c.prototype._onMove=function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("rotatestart",t),this._fireEvent("movestart",t));var e=this._map;e.stop();var r=this._pos,i=n.mousePos(this._el,t),o=.8*(r.x-i.x),a=(r.y-i.y)*-.5,s=e.getBearing()-o,u=e.getPitch()-a,l=this._inertia,c=l[l.length-1];this._drainInertiaBuffer(),l.push([Date.now(),e._normalizeBearing(s,c[1])]),e.transform.bearing=s,this._pitchWithRotate&&(e.transform.pitch=u),this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=i}},c.prototype._onUp=function(t){var e=this;if(!this._ignoreEvent(t)&&(o.document.removeEventListener("mousemove",this._onMove),o.document.removeEventListener("mouseup",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var r=this._map,n=r.getBearing(),i=this._inertia,c=function(){Math.abs(n)<e._bearingSnap?r.resetNorth({noMoveStart:!0},{originalEvent:t}):e._fireEvent("moveend",t)};if(i.length<2)return void c();var p=i[0],h=i[i.length-1],f=i[i.length-2],d=r._normalizeBearing(n,f[1]),m=h[1]-p[1],y=m<0?-1:1,v=(h[0]-p[0])/1e3;if(0===m||0===v)return void c();var g=Math.abs(m*(a/v));g>u&&(g=u);var _=g/(l*a),x=y*g*(_/2);d+=x,Math.abs(r._normalizeBearing(d,0))<this._bearingSnap&&(d=r._normalizeBearing(0,d)),r.rotateTo(d,{duration:1e3*_,easing:s,noMoveStart:!0},{originalEvent:t})}},c.prototype._fireEvent=function(t,e){return this._map.fire(t,{originalEvent:e})},c.prototype._ignoreEvent=function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragPan&&e.dragPan.isActive())return!0;if(t.touches)return t.touches.length>1;var r=t.ctrlKey?1:2,n=t.ctrlKey?0:2,i=t.button;return"undefined"!=typeof InstallTrigger&&2===t.button&&t.ctrlKey&&o.navigator.platform.toUpperCase().indexOf("MAC")>=0&&(i=0),"mousemove"===t.type?t.buttons&0===r:i!==n},c.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),r=160;t.length>0&&e-t[0][0]>r;)t.shift()},e.exports=c},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],99:[function(t,e,r){"use strict";function n(t){return t*(2-t)}var i=100,o=15,a=10,s=function(t){this._map=t,this._el=t.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)};s.prototype.isEnabled=function(){return!!this._enabled},s.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},s.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},s.prototype._onKeyDown=function(t){if(!(t.altKey||t.ctrlKey||t.metaKey)){var e=0,r=0,s=0,u=0,l=0;switch(t.keyCode){case 61:case 107:case 171:case 187:e=1;break;case 189:case 109:case 173:e=-1;break;case 37:t.shiftKey?r=-1:(t.preventDefault(),u=-1);break;case 39:t.shiftKey?r=1:(t.preventDefault(),u=1);break;case 38:t.shiftKey?s=1:(t.preventDefault(),l=-1);break;case 40:t.shiftKey?s=-1:(l=1,t.preventDefault())}var c=this._map,p=c.getZoom(),h={duration:300,delayEndEvents:500,easing:n,zoom:e?Math.round(p)+e*(t.shiftKey?2:1):p,bearing:c.getBearing()+r*o,pitch:c.getPitch()+s*a,offset:[-u*i,-l*i],center:c.getCenter()};c.easeTo(h,{originalEvent:t})}},e.exports=s},{}],100:[function(t,e,r){"use strict";var n=t("../../util/dom"),i=t("../../util/util"),o=t("../../util/browser"),a=t("../../util/window"),s=a.navigator.userAgent.toLowerCase(),u=s.indexOf("firefox")!==-1,l=s.indexOf("safari")!==-1&&s.indexOf("chrom")===-1,c=function(t){this._map=t,this._el=t.getCanvasContainer(),i.bindAll(["_onWheel","_onTimeout"],this)};c.prototype.isEnabled=function(){return!!this._enabled},c.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0)},c.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},c.prototype._onWheel=function(t){var e;"wheel"===t.type?(e=t.deltaY,u&&t.deltaMode===a.WheelEvent.DOM_DELTA_PIXEL&&(e/=o.devicePixelRatio),t.deltaMode===a.WheelEvent.DOM_DELTA_LINE&&(e*=40)):"mousewheel"===t.type&&(e=-t.wheelDeltaY,l&&(e/=3));var r=o.now(),i=r-(this._time||0);this._pos=n.mousePos(this._el,t),this._time=r,0!==e&&e%4.000244140625===0?this._type="wheel":0!==e&&Math.abs(e)<4?this._type="trackpad":i>400?(this._type=null,this._lastValue=e,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(i*e)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,e+=this._lastValue)),t.shiftKey&&e&&(e/=4),this._type&&this._zoom(-e,t),t.preventDefault()},c.prototype._onTimeout=function(){this._type="wheel",this._zoom(-this._lastValue)},c.prototype._zoom=function(t,e){if(0!==t){var r=this._map,n=2/(1+Math.exp(-Math.abs(t/100)));t<0&&0!==n&&(n=1/n);var i=r.ease?r.ease.to:r.transform.scale,o=r.transform.scaleZoom(i*n);r.zoomTo(o,{duration:"wheel"===this._type?200:0,around:r.unproject(this._pos),delayEndEvents:200,smoothEasing:!0},{originalEvent:e})}},e.exports=c},{"../../util/browser":108,"../../util/dom":115,"../../util/util":127,"../../util/window":110}],101:[function(t,e,r){"use strict";var n=t("../../util/dom"),i=t("../../util/util"),o=t("../../util/window"),a=.15,s=i.bezier(0,0,a,1),u=12,l=2.5,c=.15,p=4,h=function(t){this._map=t,this._el=t.getCanvasContainer(),i.bindAll(["_onStart","_onMove","_onEnd"],this)};h.prototype.isEnabled=function(){return!!this._enabled},h.prototype.enable=function(){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0)},h.prototype.disable=function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},h.prototype.disableRotation=function(){this._rotationDisabled=!0},h.prototype.enableRotation=function(){this._rotationDisabled=!1},h.prototype._onStart=function(t){if(2===t.touches.length){var e=n.mousePos(this._el,t.touches[0]),r=n.mousePos(this._el,t.touches[1]);this._startVec=e.sub(r),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],o.document.addEventListener("touchmove",this._onMove,!1),o.document.addEventListener("touchend",this._onEnd,!1)}},h.prototype._onMove=function(t){if(2===t.touches.length){var e=n.mousePos(this._el,t.touches[0]),r=n.mousePos(this._el,t.touches[1]),i=e.add(r).div(2),o=e.sub(r),a=o.mag()/this._startVec.mag(),s=this._rotationDisabled?0:180*o.angleWith(this._startVec)/Math.PI,u=this._map;if(this._gestureIntent){var l={duration:0,around:u.unproject(i)};"rotate"===this._gestureIntent&&(l.bearing=this._startBearing+s),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(l.zoom=u.transform.scaleZoom(this._startScale*a)),u.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),a,i]),u.easeTo(l,{originalEvent:t})}else{var h=Math.abs(1-a)>c,f=Math.abs(s)>p;f?this._gestureIntent="rotate":h&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=o,this._startScale=u.transform.scale,this._startBearing=u.transform.bearing)}t.preventDefault()}},h.prototype._onEnd=function(t){o.document.removeEventListener("touchmove",this._onMove),o.document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,r=this._map;if(e.length<2)return void r.snapToNorth({},{originalEvent:t});var n=e[e.length-1],i=e[0],c=r.transform.scaleZoom(this._startScale*n[1]),p=r.transform.scaleZoom(this._startScale*i[1]),h=c-p,f=(n[0]-i[0])/1e3,d=n[2];if(0===f||c===p)return void r.snapToNorth({},{originalEvent:t});var m=h*a/f;Math.abs(m)>l&&(m=m>0?l:-l);var y=1e3*Math.abs(m/(u*a)),v=c+m*y/2e3;v<0&&(v=0),r.easeTo({zoom:v,duration:y,easing:s,around:r.unproject(d)},{originalEvent:t})},h.prototype._drainInertiaBuffer=function(){for(var t=this._inertia,e=Date.now(),r=160;t.length>2&&e-t[0][0]>r;)t.shift()},e.exports=h},{"../../util/dom":115,"../../util/util":127,"../../util/window":110}],102:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../util/window"),o=function(){n.bindAll(["_onHashChange","_updateHash"],this)};o.prototype.addTo=function(t){return this._map=t,i.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},o.prototype.remove=function(){return i.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},o.prototype._onHashChange=function(){var t=i.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)},o.prototype._updateHash=function(){var t=this._map.getCenter(),e=this._map.getZoom(),r=this._map.getBearing(),n=this._map.getPitch(),o=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),a="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(o)+"/"+t.lng.toFixed(o);(r||n)&&(a+="/"+Math.round(10*r)/10),n&&(a+="/"+Math.round(n)),i.history.replaceState("","",a)},e.exports=o},{"../util/util":127,"../util/window":110}],103:[function(t,e,r){"use strict";function n(t){t.parentNode&&t.parentNode.removeChild(t)}var i=t("../util/util"),o=t("../util/browser"),a=t("../util/window"),s=t("../util/dom"),u=t("../style/style"),l=t("../style/animation_loop"),c=t("../render/painter"),p=t("../geo/transform"),h=t("./hash"),f=t("./bind_handlers"),d=t("./camera"),m=t("../geo/lng_lat"),y=t("../geo/lng_lat_bounds"),v=t("point-geometry"),g=t("./control/attribution_control"),_=t("mapbox-gl-supported"),x=0,b=20,w={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:x,maxZoom:b,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},E=function(t){function e(e){var r=this;e=i.extend({},w,e);var n=new p(e.minZoom,e.maxZoom);if(t.call(this,n,e),this._interactive=e.interactive,this._failIfMajorPerformanceCaveat=e.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=e.preserveDrawingBuffer,this._trackResize=e.trackResize,this._bearingSnap=e.bearingSnap,"string"==typeof e.container){if(this._container=a.document.getElementById(e.container),!this._container)throw new Error("Container '"+e.container+"' not found.")}else this._container=e.container;this.animationLoop=new l,e.maxBounds&&this.setMaxBounds(e.maxBounds),i.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(){r.animationLoop.set(300),r._rerender()}),"undefined"!=typeof a&&(a.addEventListener("online",this._onWindowOnline,!1),a.addEventListener("resize",this._onWindowResize,!1)),f(this,e),this._hash=e.hash&&(new h).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:e.center,zoom:e.zoom,bearing:e.bearing,pitch:e.pitch}),this._classes=[],this.resize(),e.classes&&this.setClasses(e.classes),e.style&&this.setStyle(e.style),e.attributionControl&&this.addControl(new g),this.on("style.load",function(){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1})}),this.on("data",this._onData),this.on("dataloading",this._onDataLoading)}t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e;var r={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 r=t.onAdd(this),n=this._controlPositions[e];return e.indexOf("bottom")!==-1?n.insertBefore(r,n.firstChild):n.appendChild(r),this},e.prototype.removeControl=function(t){return t.onRemove(this),this},e.prototype.addClass=function(t,e){return this._classes.indexOf(t)>=0||""===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.removeClass=function(t,e){var r=this._classes.indexOf(t);return r<0||""===t?this:(this._classes.splice(r,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},e.prototype.setClasses=function(t,e){for(var r={},n=0;n<t.length;n++)""!==t[n]&&(r[t[n]]=!0);return this._classes=Object.keys(r),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0)},e.prototype.hasClass=function(t){return this._classes.indexOf(t)>=0},e.prototype.getClasses=function(){return this._classes},e.prototype.resize=function(){var t=this._containerDimensions(),e=t[0],r=t[1];return this._resizeCanvas(e,r),this.transform.resize(e,r),this.painter.resize(e,r),this.fire("movestart").fire("move").fire("resize").fire("moveend")},e.prototype.getBounds=function(){var t=new y(this.transform.pointLocation(new v(0,this.transform.height)),this.transform.pointLocation(new v(this.transform.width,0)));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new v(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new v(0,this.transform.size.y)))),t},e.prototype.setMaxBounds=function(t){if(t){var e=y.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=[],this.transform.latRange=[],this._update());return this},e.prototype.setMinZoom=function(t){if(t=null===t||void 0===t?x:t,t>=x&&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 "+x+" 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?b:t,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(m.convert(t))},e.prototype.unproject=function(t){return this.transform.pointLocation(v.convert(t))},e.prototype.queryRenderedFeatures=function(){function t(t){return t instanceof v||Array.isArray(t)}var e,r={};return 2===arguments.length?(e=arguments[0],r=arguments[1]):1===arguments.length&&t(arguments[0])?e=arguments[0]:1===arguments.length&&(r=arguments[0]),this.style.queryRenderedFeatures(this._makeQueryGeometry(e),r,this.transform.zoom,this.transform.angle)},e.prototype._makeQueryGeometry=function(t){var e=this;void 0===t&&(t=[v.convert([0,0]),v.convert([this.transform.width,this.transform.height])]);var r,n=t instanceof v||"number"==typeof t[0];if(n){var i=v.convert(t);r=[i]}else{var o=[v.convert(t[0]),v.convert(t[1])];r=[o[0],new v(o[1].x,o[0].y),o[1],new v(o[0].x,o[1].y),o[0]]}return r=r.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){var r=(!e||e.diff!==!1)&&this.style&&t&&!(t instanceof u)&&"string"!=typeof t;if(r)try{return this.style.setState(t)&&this._update(!0),this}catch(t){i.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)),t?(t instanceof u?this.style=t:this.style=new u(t,this),this.style.setEventedParent(this,{style:this.style}),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this):(this.style=null,this)},e.prototype.getStyle=function(){if(this.style)return this.style.serialize()},e.prototype.addSource=function(t,e){return this.style.addSource(t,e),this._update(!0),this},e.prototype.addSourceType=function(t,e,r){return this.style.addSourceType(t,e,r)},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.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,r){return this.style.setLayerZoomRange(t,e,r),this._update(!0),this},e.prototype.getFilter=function(t){return this.style.getFilter(t)},e.prototype.setPaintProperty=function(t,e,r,n){return this.style.setPaintProperty(t,e,r,n),this._update(!0),this},e.prototype.getPaintProperty=function(t,e,r){return this.style.getPaintProperty(t,e,r)},e.prototype.setLayoutProperty=function(t,e,r){return this.style.setLayoutProperty(t,e,r),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");var e=this._canvasContainer=s.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=s.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 r=this._containerDimensions();this._resizeCanvas(r[0],r[1]);var n=this._controlContainer=s.create("div","mapboxgl-control-container",t),i=this._controlPositions={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){i[t]=s.create("div","mapboxgl-ctrl-"+t,n)})},e.prototype._resizeCanvas=function(t,e){var r=a.devicePixelRatio||1;this._canvas.width=r*t,this._canvas.height=r*e,this._canvas.style.width=t+"px",this._canvas.style.height=e+"px"},e.prototype._setupPainter=function(){var t=i.extend({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer},_.webGLContextAttributes),e=this._canvas.getContext("webgl",t)||this._canvas.getContext("experimental-webgl",t);return e?void(this.painter=new c(e,this.transform)):void this.fire("error",{error:new Error("Failed to initialize WebGL")})},e.prototype._contextLost=function(t){t.preventDefault(),this._frameId&&o.cancelFrame(this._frameId),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._classes,this._classOptions),this._classOptions=null,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(),o.cancelFrame(this._frameId),this.setStyle(null),"undefined"!=typeof a&&a.removeEventListener("resize",this._onWindowResize,!1);var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),n(this._canvasContainer),n(this._controlContainer),this._container.classList.remove("mapboxgl-map"),this.fire("remove")},e.prototype._rerender=function(){this.style&&!this._frameId&&(this._frameId=o.frame(this._render))},e.prototype._onWindowOnline=function(){this._update()},e.prototype._onWindowResize=function(){this._trackResize&&this.stop().resize()._update()},r.showTileBoundaries.get=function(){return!!this._showTileBoundaries},r.showTileBoundaries.set=function(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},r.showCollisionBoxes.get=function(){return!!this._showCollisionBoxes},r.showCollisionBoxes.set=function(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},r.showOverdrawInspector.get=function(){return!!this._showOverdrawInspector},r.showOverdrawInspector.set=function(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},r.repaint.get=function(){return!!this._repaint},r.repaint.set=function(t){this._repaint=t,this._update()},r.vertices.get=function(){return!!this._vertices},r.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,r),e}(d);e.exports=E},{"../geo/lng_lat":19,"../geo/lng_lat_bounds":20,"../geo/transform":21,"../render/painter":36,"../style/animation_loop":57,"../style/style":61,"../util/browser":108,"../util/dom":115,"../util/util":127,"../util/window":110,"./bind_handlers":89,"./camera":90,"./control/attribution_control":91,"./hash":102,"mapbox-gl-supported":190,"point-geometry":194}],104:[function(t,e,r){"use strict";var n=t("../util/dom"),i=t("../geo/lng_lat"),o=t("point-geometry"),a=function(t,e){this._offset=o.convert(e&&e.offset||[0,0]),this._update=this._update.bind(this),this._onMapClick=this._onMapClick.bind(this),t||(t=n.create("div")),t.classList.add("mapboxgl-marker"),this._element=t,this._popup=null};a.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},a.prototype.remove=function(){return this._map&&(this._map.off("click",this._onMapClick),this._map.off("move",this._update),this._map.off("moveend",this._update),this._map=null),n.remove(this._element),this._popup&&this._popup.remove(),this},a.prototype.getLngLat=function(){return this._lngLat},a.prototype.setLngLat=function(t){return 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n=0;n<t.length;n++)r.push([t[n][0]+e,t[n][1],t[n][2]]);return r}var a=t("./clip"),s=t("./feature");e.exports=n},{"./clip":138,"./feature":140}],146:[function(t,e,r){"use strict";function n(t,e,r){var n=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var o=new Int32Array(this.arrayBuffer);t=o[0],e=o[1],r=o[2],this.d=e+2*r;for(var a=0;a<this.d*this.d;a++){var s=o[i+a],u=o[i+a+1];n.push(s===u?null:o.subarray(s,u))}var l=o[i+n.length],c=o[i+n.length+1];this.keys=o.subarray(l,c),this.bboxes=o.subarray(c),this.insert=this._insertReadonly}else{this.d=e+2*r;for(var p=0;p<this.d*this.d;p++)n.push([]);this.keys=[],this.bboxes=[]}this.n=e,this.extent=t,this.padding=r,this.scale=e/t,this.uid=0;var h=r/e*t;this.min=-h,this.max=t+h}e.exports=n;var 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n=this.trees[this._limitZoom(t)],i=Math.pow(2,t),o=this.options.extent,a=this.options.radius,s=a/o,u=(r-s)/i,l=(r+1+s)/i,c={features:[]};return this._addTileFeatures(n.range((e-s)/i,u,(e+1+s)/i,l),n.points,e,r,i,c),0===e&&this._addTileFeatures(n.range(1-s/i,u,1,l),n.points,i,r,i,c),e===i-1&&this._addTileFeatures(n.range(0,u,s/i,l),n.points,-1,r,i,c),c.features.length?c:null},_addTileFeatures:function(t,e,r,n,i,o){for(var a=0;a<t.length;a++){var s=e[t[a]];o.features.push({type:1,geometry:[[Math.round(this.options.extent*(s.x*i-r)),Math.round(this.options.extent*(s.y*i-n))]],tags:s.id!==-1?this.points[s.id].properties:u(s)})}},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var r=[],n=this.options.radius/(this.options.extent*Math.pow(2,e)),i=0;i<t.length;i++){var a=t[i];if(!(a.zoom<=e)){a.zoom=e;for(var s=this.trees[e+1],u=s.within(a.x,a.y,n),l=!1,c=a.numPoints,p=a.x*c,h=a.y*c,f=0;f<u.length;f++){var 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