(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.mapboxgl = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
"use strict";function ArrayGroup(r){var e=r.layoutVertexArrayType;this.layoutVertexArray=new e;var t=r.elementArrayType;t&&(this.elementArray=new t);var a=r.elementArrayType2;a&&(this.elementArray2=new a),this.paintVertexArrays=util.mapObject(r.paintVertexArrayTypes,function(r){return new r})}var util=require("../util/util");module.exports=ArrayGroup,ArrayGroup.MAX_VERTEX_ARRAY_LENGTH=Math.pow(2,16)-1,ArrayGroup.prototype.hasCapacityFor=function(r){return this.layoutVertexArray.length+r<=ArrayGroup.MAX_VERTEX_ARRAY_LENGTH},ArrayGroup.prototype.isEmpty=function(){return 0===this.layoutVertexArray.length},ArrayGroup.prototype.trim=function(){this.layoutVertexArray.trim(),this.elementArray&&this.elementArray.trim(),this.elementArray2&&this.elementArray2.trim();for(var r in this.paintVertexArrays)this.paintVertexArrays[r].trim()},ArrayGroup.prototype.serialize=function(){return{layoutVertexArray:this.layoutVertexArray.serialize(),elementArray:this.elementArray&&this.elementArray.serialize(),elementArray2:this.elementArray2&&this.elementArray2.serialize(),paintVertexArrays:util.mapObject(this.paintVertexArrays,function(r){return r.serialize()})}},ArrayGroup.prototype.getTransferables=function(r){r.push(this.layoutVertexArray.arrayBuffer),this.elementArray&&r.push(this.elementArray.arrayBuffer),this.elementArray2&&r.push(this.elementArray2.arrayBuffer);for(var e in this.paintVertexArrays)r.push(this.paintVertexArrays[e].arrayBuffer)};
},{"../util/util":122}],2:[function(require,module,exports){
"use strict";function Bucket(e){if(this.zoom=e.zoom,this.overscaling=e.overscaling,this.layer=e.layer,this.childLayers=e.childLayers,this.type=this.layer.type,this.features=[],this.id=this.layer.id,this.index=e.index,this.sourceLayer=this.layer.sourceLayer,this.sourceLayerIndex=e.sourceLayerIndex,this.minZoom=this.layer.minzoom,this.maxZoom=this.layer.maxzoom,this.paintAttributes=createPaintAttributes(this),e.arrays){var r=this.programInterfaces;this.bufferGroups=util.mapObject(e.arrays,function(t,a){var i=r[a],n=e.paintVertexArrayTypes[a];return t.map(function(e){return new BufferGroup(e,{layoutVertexArrayType:i.layoutVertexArrayType.serialize(),elementArrayType:i.elementArrayType&&i.elementArrayType.serialize(),elementArrayType2:i.elementArrayType2&&i.elementArrayType2.serialize(),paintVertexArrayTypes:n})})})}}function createPaintAttributes(e){var r={};for(var t in e.programInterfaces){for(var a=r[t]={},i=0;i<e.childLayers.length;i++){var n=e.childLayers[i];a[n.id]={attributes:[],uniforms:[],defines:[],vertexPragmas:{define:{},initialize:{}},fragmentPragmas:{define:{},initialize:{}}}}var o=e.programInterfaces[t];if(o.paintAttributes)for(var s="{precision}",u="{type}",l=0;l<o.paintAttributes.length;l++){var y=o.paintAttributes[l];y.multiplier=y.multiplier||1;for(var p=0;p<e.childLayers.length;p++){var c,f=e.childLayers[p],m=a[f.id],h=y.name,g=y.name.slice(2);if(m.fragmentPragmas.initialize[g]="",f.isPaintValueFeatureConstant(y.paintProperty))m.uniforms.push(y),m.fragmentPragmas.define[g]=m.vertexPragmas.define[g]=["uniform",s,u,h].join(" ")+";",m.fragmentPragmas.initialize[g]=m.vertexPragmas.initialize[g]=[s,u,g,"=",h].join(" ")+";\n";else if(f.isPaintValueZoomConstant(y.paintProperty)){m.attributes.push(util.extend({},y,{name:h})),c=["varying",s,u,g].join(" ")+";\n";var v=[m.fragmentPragmas.define[g],"attribute",s,u,h].join(" ")+";\n";m.fragmentPragmas.define[g]=c,m.vertexPragmas.define[g]=c+v,m.vertexPragmas.initialize[g]=[g,"=",h,"/",y.multiplier.toFixed(1)].join(" ")+";\n"}else{for(var d="u_"+h.slice(2)+"_t",x=f.getPaintValueStopZoomLevels(y.paintProperty),A=0;A<x.length&&x[A]<e.zoom;)A++;for(var b=Math.max(0,Math.min(x.length-4,A-2)),T=[],V=0;V<4;V++)T.push(x[Math.min(b+V,x.length-1)]);c=["varying",s,u,g].join(" ")+";\n",m.vertexPragmas.define[g]=c+["uniform","lowp","float",d].join(" ")+";\n",m.fragmentPragmas.define[g]=c,m.uniforms.push(util.extend({},y,{name:d,getValue:createGetUniform(y,b),components:1}));var P=y.components;if(1===P)m.attributes.push(util.extend({},y,{getValue:createFunctionGetValue(y,T),isFunction:!0,components:4*P})),m.vertexPragmas.define[g]+=["attribute",s,"vec4",h].join(" ")+";\n",m.vertexPragmas.initialize[g]=[g,"=","evaluate_zoom_function_1("+h+", "+d+")","/",y.multiplier.toFixed(1)].join(" ")+";\n";else{for(var k=[],z=0;z<4;z++)k.push(h+z),m.attributes.push(util.extend({},y,{getValue:createFunctionGetValue(y,[T[z]]),isFunction:!0,name:h+z})),m.vertexPragmas.define[g]+=["attribute",s,u,h+z].join(" ")+";\n";m.vertexPragmas.initialize[g]=[g," = ","evaluate_zoom_function_4("+k.join(", ")+", "+d+")","/",y.multiplier.toFixed(1)].join(" ")+";\n"}}}}}return r}function createFunctionGetValue(e,r){return function(t,a,i){if(1===r.length)return e.getValue(t,util.extend({},a,{zoom:r[0]}),i);for(var n=[],o=0;o<r.length;o++){var s=r[o];n.push(e.getValue(t,util.extend({},a,{zoom:s}),i)[0])}return n}}function createGetUniform(e,r){return function(t,a){var i=t.getPaintInterpolationT(e.paintProperty,a.zoom);return[Math.max(0,Math.min(4,i-r))]}}var ArrayGroup=require("./array_group"),BufferGroup=require("./buffer_group"),util=require("../util/util"),StructArrayType=require("../util/struct_array");module.exports=Bucket,Bucket.create=function(e){var r={fill:require("./bucket/fill_bucket"),fillextrusion:require("./bucket/fill_extrusion_bucket"),line:require("./bucket/line_bucket"),circle:require("./bucket/circle_bucket"),symbol:require("./bucket/symbol_bucket")},t=e.layer.type;return"fill"!==t||e.layer.isPaintValueFeatureConstant("fill-extrude-height")&&e.layer.isPaintValueZoomConstant("fill-extrude-height")&&0===e.layer.getPaintValue("fill-extrude-height")||(t="fillextrusion"),new r[t](e)},Bucket.EXTENT=8192,Bucket.prototype.populateArrays=function(){this.createArrays(),this.recalculateStyleLayers();for(var e=0;e<this.features.length;e++)this.addFeature(this.features[e]);this.trimArrays()},Bucket.prototype.prepareArrayGroup=function(e,r){var t=this.arrayGroups[e],a=t.length&&t[t.length-1];return a&&a.hasCapacityFor(r)||(a=new ArrayGroup({layoutVertexArrayType:this.programInterfaces[e].layoutVertexArrayType,elementArrayType:this.programInterfaces[e].elementArrayType,elementArrayType2:this.programInterfaces[e].elementArrayType2,paintVertexArrayTypes:this.paintVertexArrayTypes[e]}),a.index=t.length,t.push(a)),a},Bucket.prototype.createArrays=function(){this.arrayGroups={},this.paintVertexArrayTypes={};for(var e in this.programInterfaces){this.arrayGroups[e]=[];var r=this.paintVertexArrayTypes[e]={},t=this.paintAttributes[e];for(var a in t)r[a]=new Bucket.VertexArrayType(t[a].attributes)}},Bucket.prototype.destroy=function(){for(var e in this.bufferGroups)for(var r=this.bufferGroups[e],t=0;t<r.length;t++)r[t].destroy()},Bucket.prototype.trimArrays=function(){for(var e in this.arrayGroups)for(var r=this.arrayGroups[e],t=0;t<r.length;t++)r[t].trim()},Bucket.prototype.isEmpty=function(){for(var e in this.arrayGroups)for(var r=this.arrayGroups[e],t=0;t<r.length;t++)if(!r[t].isEmpty())return!1;return!0},Bucket.prototype.getTransferables=function(e){for(var r in this.arrayGroups)for(var t=this.arrayGroups[r],a=0;a<t.length;a++)t[a].getTransferables(e)},Bucket.prototype.setUniforms=function(e,r,t,a,i){for(var n=this.paintAttributes[r][a.id].uniforms,o=0;o<n.length;o++){var s=n[o],u=t[s.name];e["uniform"+s.components+"fv"](u,s.getValue(a,i))}},Bucket.prototype.serialize=function(){return{layerId:this.layer.id,zoom:this.zoom,arrays:util.mapObject(this.arrayGroups,function(e){return e.map(function(e){return e.serialize()})}),paintVertexArrayTypes:util.mapObject(this.paintVertexArrayTypes,function(e){return util.mapObject(e,function(e){return e.serialize()})}),childLayerIds:this.childLayers.map(function(e){return e.id})}};var FAKE_ZOOM_HISTORY={lastIntegerZoom:1/0,lastIntegerZoomTime:0,lastZoom:0};Bucket.prototype.recalculateStyleLayers=function(){for(var e=0;e<this.childLayers.length;e++)this.childLayers[e].recalculate(this.zoom,FAKE_ZOOM_HISTORY)},Bucket.prototype.populatePaintArrays=function(e,r,t,a,i){for(var n=0;n<this.childLayers.length;n++)for(var o=this.childLayers[n],s=this.arrayGroups[e],u=a.index;u<s.length;u++){var l=s[u],y=l.layoutVertexArray.length,p=l.paintVertexArrays[o.id];p.resize(y);for(var c=this.paintAttributes[e][o.id].attributes,f=0;f<c.length;f++)for(var m=c[f],h=m.getValue(o,r,t),g=m.multiplier||1,v=m.components||1,d=u===a.index?i:0,x=d;x<y;x++)for(var A=p.get(x),b=0;b<v;b++){var T=v>1?m.name+b:m.name;A[T]=h[b]*g}}},Bucket.VertexArrayType=function(e){return new StructArrayType({members:e,alignment:4})},Bucket.ElementArrayType=function(e){return new StructArrayType({members:[{type:"Uint16",name:"vertices",components:e||3}]})};
},{"../util/struct_array":120,"../util/util":122,"./array_group":1,"./bucket/circle_bucket":3,"./bucket/fill_bucket":4,"./bucket/fill_extrusion_bucket":5,"./bucket/line_bucket":6,"./bucket/symbol_bucket":7,"./buffer_group":9}],3:[function(require,module,exports){
"use strict";function CircleBucket(){Bucket.apply(this,arguments)}var Bucket=require("../bucket"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),EXTENT=Bucket.EXTENT;module.exports=CircleBucket,CircleBucket.prototype=util.inherit(Bucket,{}),CircleBucket.prototype.addCircleVertex=function(e,t,r,i,a){return e.emplaceBack(2*t+(i+1)/2,2*r+(a+1)/2)},CircleBucket.prototype.programInterfaces={circle:{layoutVertexArrayType:new Bucket.VertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:new Bucket.ElementArrayType,paintAttributes:[{name:"a_color",components:4,type:"Uint8",getValue:function(e,t,r){return e.getPaintValue("circle-color",t,r)},multiplier:255,paintProperty:"circle-color"},{name:"a_radius",components:1,type:"Uint16",isLayerConstant:!1,getValue:function(e,t,r){return[e.getPaintValue("circle-radius",t,r)]},multiplier:10,paintProperty:"circle-radius"},{name:"a_blur",components:1,type:"Uint16",isLayerConstant:!1,getValue:function(e,t,r){return[e.getPaintValue("circle-blur",t,r)]},multiplier:10,paintProperty:"circle-blur"},{name:"a_opacity",components:1,type:"Uint16",isLayerConstant:!1,getValue:function(e,t,r){return[e.getPaintValue("circle-opacity",t,r)]},multiplier:255,paintProperty:"circle-opacity"}]}},CircleBucket.prototype.addFeature=function(e){for(var t={zoom:this.zoom},r=loadGeometry(e),i=this.prepareArrayGroup("circle",0),a=i.layoutVertexArray.length,c=0;c<r.length;c++)for(var l=0;l<r[c].length;l++){var n=r[c][l].x,o=r[c][l].y;if(!(n<0||n>=EXTENT||o<0||o>=EXTENT)){var u=this.prepareArrayGroup("circle",4),p=u.layoutVertexArray,y=this.addCircleVertex(p,n,o,-1,-1);this.addCircleVertex(p,n,o,1,-1),this.addCircleVertex(p,n,o,1,1),this.addCircleVertex(p,n,o,-1,1),u.elementArray.emplaceBack(y,y+1,y+2),u.elementArray.emplaceBack(y,y+3,y+2)}}this.populatePaintArrays("circle",t,e.properties,i,a)};
},{"../../util/util":122,"../bucket":2,"../load_geometry":11}],4:[function(require,module,exports){
"use strict";function FillBucket(){Bucket.apply(this,arguments)}function convertCoords(e){return e instanceof Point?[e.x,e.y]:e.map(convertCoords)}var Bucket=require("../bucket"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),Point=require("point-geometry"),EARCUT_MAX_RINGS=500;module.exports=FillBucket,FillBucket.prototype=util.inherit(Bucket,{}),FillBucket.prototype.programInterfaces={fill:{layoutVertexArrayType:new Bucket.VertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:new Bucket.ElementArrayType(1),elementArrayType2:new Bucket.ElementArrayType(2),paintAttributes:[{name:"a_color",components:4,type:"Uint8",getValue:function(e,t,r){return e.getPaintValue("fill-color",t,r)},multiplier:255,paintProperty:"fill-color"},{name:"a_outline_color",components:4,type:"Uint8",getValue:function(e,t,r){return e.getPaintValue("fill-outline-color",t,r)},multiplier:255,paintProperty:"fill-outline-color"},{name:"a_opacity",components:1,type:"Uint8",getValue:function(e,t,r){return[e.getPaintValue("fill-opacity",t,r)]},multiplier:255,paintProperty:"fill-opacity"}]}},FillBucket.prototype.addVertex=function(e,t,r){return e.emplaceBack(t,r)},FillBucket.prototype.addFeature=function(e){var t=loadGeometry(e),r=convertCoords(classifyRings(t,EARCUT_MAX_RINGS));this.factor=Math.pow(2,13);for(var o=this.prepareArrayGroup("fill",0),l=o.layoutVertexArray.length,a=0;a<r.length;a++)this.addPolygon(r[a]);this.populatePaintArrays("fill",{zoom:this.zoom},e.properties,o,l)},FillBucket.prototype.addPolygon=function(e){for(var t=0,r=0;r<e.length;r++)t+=e[r].length;for(var o=this.prepareArrayGroup("fill",t),l=[],a=[],i=o.layoutVertexArray.length,n=[],u=0;u<e.length;u++){var p=e[u];u>0&&a.push(l.length/2);for(var c=0;c<p.length;c++){var y=p[c],s=this.addVertex(o.layoutVertexArray,y[0],y[1],0,0,1,1,0);n.push(s),c>=1&&o.elementArray2.emplaceBack(s-1,s),l.push(y[0]),l.push(y[1])}}for(var f=earcut(l,a),m=0;m<f.length;m++)o.elementArray.emplaceBack(f[m]+i)};
},{"../../util/classify_rings":108,"../../util/util":122,"../bucket":2,"../load_geometry":11,"earcut":137,"point-geometry":192}],5:[function(require,module,exports){
"use strict";function FillExtrusionBucket(){Bucket.apply(this,arguments)}function convertCoords(e){return e instanceof Point?[e.x,e.y]:e.map(convertCoords)}function isBoundaryEdge(e,t){return e.some(function(e,r){return isOutside(t[r])&&t[r]===e})}function isOutside(e){return e<0||e>Bucket.EXTENT}var Bucket=require("../bucket"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),earcut=require("earcut"),classifyRings=require("../../util/classify_rings"),Point=require("point-geometry"),EARCUT_MAX_RINGS=500;module.exports=FillExtrusionBucket,FillExtrusionBucket.prototype=util.inherit(Bucket,{}),FillExtrusionBucket.prototype.programInterfaces={fillextrusion:{layoutVertexArrayType:new Bucket.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_normal",components:3,type:"Int16"},{name:"a_edgedistance",components:1,type:"Int16"}]),elementArrayType:new Bucket.ElementArrayType(3),paintAttributes:[{name:"a_minH",components:1,type:"Uint16",getValue:function(e,t,r){return[e.getPaintValue("fill-extrude-base",t,r)]},multiplier:1,paintProperty:"fill-extrude-base"},{name:"a_maxH",components:1,type:"Uint16",getValue:function(e,t,r){return[e.getPaintValue("fill-extrude-height",t,r)]},multiplier:1,paintProperty:"fill-extrude-height"},{name:"a_color",components:4,type:"Uint8",getValue:function(e,t,r){var o=e.getPaintValue("fill-color",t,r);return o[3]=1,o},multiplier:255,paintProperty:"fill-color"}]}},FillExtrusionBucket.prototype.addVertex=function(e,t,r,o,n,i,a,u){return e.emplaceBack(t,r,2*Math.floor(o*this.factor)+a,n*this.factor*2,i*this.factor*2,Math.round(u))},FillExtrusionBucket.prototype.addFeature=function(e){var t=loadGeometry(e),r=convertCoords(classifyRings(t,EARCUT_MAX_RINGS));this.factor=Math.pow(2,13);for(var o=this.prepareArrayGroup("fillextrusion",0),n=o.layoutVertexArray.length,i=0;i<r.length;i++)this.addPolygon(r[i]);this.populatePaintArrays("fillextrusion",{zoom:this.zoom},e.properties,o,n)},FillExtrusionBucket.prototype.addPolygon=function(e){for(var t=0,r=0;r<e.length;r++)t+=e[r].length;t*=5;for(var o=this.prepareArrayGroup("fillextrusion",t),n=[],i=[],a=[],u=0;u<e.length;u++){var l=e[u];u>0&&i.push(n.length/2);for(var s=0,p=0;p<l.length;p++){var c=l[p],y=this.addVertex(o.layoutVertexArray,c[0],c[1],0,0,1,1,0);if(a.push(y),p>=1){var d=l[p-1];if(!isBoundaryEdge(c,d)){var f=Point.convert(c)._sub(Point.convert(d))._perp()._unit(),m=this.addVertex(o.layoutVertexArray,c[0],c[1],f.x,f.y,0,0,s);this.addVertex(o.layoutVertexArray,c[0],c[1],f.x,f.y,0,1,s),s+=Point.convert(d).dist(Point.convert(c)),this.addVertex(o.layoutVertexArray,d[0],d[1],f.x,f.y,0,0,s),this.addVertex(o.layoutVertexArray,d[0],d[1],f.x,f.y,0,1,s),o.elementArray.emplaceBack(m,m+1,m+2),o.elementArray.emplaceBack(m+1,m+2,m+3)}}n.push(c[0]),n.push(c[1])}}for(var x=earcut(n,i),h=0;h<x.length-2;h+=3)o.elementArray.emplaceBack(a[x[h]],a[x[h+1]],a[x[h+2]])};
},{"../../util/classify_rings":108,"../../util/util":122,"../bucket":2,"../load_geometry":11,"earcut":137,"point-geometry":192}],6:[function(require,module,exports){
"use strict";function LineBucket(){Bucket.apply(this,arguments)}var Bucket=require("../bucket"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),EXTENT=Bucket.EXTENT,EXTRUDE_SCALE=63,COS_HALF_SHARP_CORNER=Math.cos(37.5*(Math.PI/180)),SHARP_CORNER_OFFSET=15,LINE_DISTANCE_BUFFER_BITS=15,LINE_DISTANCE_SCALE=.5,MAX_LINE_DISTANCE=Math.pow(2,LINE_DISTANCE_BUFFER_BITS-1)/LINE_DISTANCE_SCALE;module.exports=LineBucket,LineBucket.prototype=util.inherit(Bucket,{}),LineBucket.prototype.addLineVertex=function(e,t,i,r,s,a,n){return e.emplaceBack(t.x<<1|r,t.y<<1|s,Math.round(EXTRUDE_SCALE*i.x)+128,Math.round(EXTRUDE_SCALE*i.y)+128,(0===a?0:a<0?-1:1)+1|(n*LINE_DISTANCE_SCALE&63)<<2,n*LINE_DISTANCE_SCALE>>6)},LineBucket.prototype.programInterfaces={line:{layoutVertexArrayType:new Bucket.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}]),paintAttributes:[{name:"a_color",components:4,type:"Uint8",getValue:function(e,t,i){return e.getPaintValue("line-color",t,i)},multiplier:255,paintProperty:"line-color"}],elementArrayType:new Bucket.ElementArrayType}},LineBucket.prototype.addFeature=function(e){for(var t=loadGeometry(e,LINE_DISTANCE_BUFFER_BITS),i=0;i<t.length;i++)this.addLine(t[i],e.properties,this.layer.layout["line-join"],this.layer.layout["line-cap"],this.layer.layout["line-miter-limit"],this.layer.layout["line-round-limit"])},LineBucket.prototype.addLine=function(e,t,i,r,s,a){for(var n=e.length;n>2&&e[n-1].equals(e[n-2]);)n--;if(!(e.length<2)){"bevel"===i&&(s=1.05);var u=SHARP_CORNER_OFFSET*(EXTENT/(512*this.overscaling)),h=e[0],d=e[n-1],l=h.equals(d),o=this.prepareArrayGroup("line",10*n),c=o.layoutVertexArray.length;if(2!==n||!l){this.distance=0;var p,_,y,E,m,x,C,A=r,L=l?"butt":r,V=!0;this.e1=this.e2=this.e3=-1,l&&(p=e[n-2],m=h.sub(p)._unit()._perp());for(var f=0;f<n;f++)if(y=l&&f===n-1?e[1]:e[f+1],!y||!e[f].equals(y)){m&&(E=m),p&&(_=p),p=e[f],m=y?y.sub(p)._unit()._perp():E,E=E||m;var S=E.add(m)._unit(),T=S.x*m.x+S.y*m.y,v=1/T,B=T<COS_HALF_SHARP_CORNER&&_&&y;if(B&&f>0){var N=p.dist(_);if(N>2*u){var I=p.sub(p.sub(_)._mult(u/N)._round());this.distance+=I.dist(_),this.addCurrentVertex(I,this.distance,E.mult(1),0,0,!1),_=I}}var k=_&&y,b=k?i:y?A:L;if(k&&"round"===b&&(v<a?b="miter":v<=2&&(b="fakeround")),"miter"===b&&v>s&&(b="bevel"),"bevel"===b&&(v>2&&(b="flipbevel"),v<s&&(b="miter")),_&&(this.distance+=p.dist(_)),"miter"===b)S._mult(v),this.addCurrentVertex(p,this.distance,S,0,0,!1);else if("flipbevel"===b){if(v>100)S=m.clone();else{var R=E.x*m.y-E.y*m.x>0?-1:1,g=v*E.add(m).mag()/E.sub(m).mag();S._perp()._mult(g*R)}this.addCurrentVertex(p,this.distance,S,0,0,!1),this.addCurrentVertex(p,this.distance,S.mult(-1),0,0,!1)}else if("bevel"===b||"fakeround"===b){var F=E.x*m.y-E.y*m.x>0,D=-Math.sqrt(v*v-1);if(F?(C=0,x=D):(x=0,C=D),V||this.addCurrentVertex(p,this.distance,E,x,C,!1),"fakeround"===b){for(var P,M=Math.floor(8*(.5-(T-.5))),q=0;q<M;q++)P=m.mult((q+1)/(M+1))._add(E)._unit(),this.addPieSliceVertex(p,this.distance,P,F);this.addPieSliceVertex(p,this.distance,S,F);for(var O=M-1;O>=0;O--)P=E.mult((O+1)/(M+1))._add(m)._unit(),this.addPieSliceVertex(p,this.distance,P,F)}y&&this.addCurrentVertex(p,this.distance,m,-x,-C,!1)}else"butt"===b?(V||this.addCurrentVertex(p,this.distance,E,0,0,!1),y&&this.addCurrentVertex(p,this.distance,m,0,0,!1)):"square"===b?(V||(this.addCurrentVertex(p,this.distance,E,1,1,!1),this.e1=this.e2=-1),y&&this.addCurrentVertex(p,this.distance,m,-1,-1,!1)):"round"===b&&(V||(this.addCurrentVertex(p,this.distance,E,0,0,!1),this.addCurrentVertex(p,this.distance,E,1,1,!0),this.e1=this.e2=-1),y&&(this.addCurrentVertex(p,this.distance,m,-1,-1,!0),this.addCurrentVertex(p,this.distance,m,0,0,!1)));if(B&&f<n-1){var U=p.dist(y);if(U>2*u){var X=p.add(y.sub(p)._mult(u/U)._round());this.distance+=X.dist(p),this.addCurrentVertex(X,this.distance,m.mult(1),0,0,!1),p=X}}V=!1}this.populatePaintArrays("line",{zoom:this.zoom},t,o,c)}}},LineBucket.prototype.addCurrentVertex=function(e,t,i,r,s,a){var n,u=a?1:0,h=this.arrayGroups.line[this.arrayGroups.line.length-1],d=h.layoutVertexArray,l=h.elementArray;n=i.clone(),r&&n._sub(i.perp()._mult(r)),this.e3=this.addLineVertex(d,e,n,u,0,r,t),this.e1>=0&&this.e2>=0&&l.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,n=i.mult(-1),s&&n._sub(i.perp()._mult(s)),this.e3=this.addLineVertex(d,e,n,u,1,-s,t),this.e1>=0&&this.e2>=0&&l.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,t>MAX_LINE_DISTANCE/2&&(this.distance=0,this.addCurrentVertex(e,this.distance,i,r,s,a))},LineBucket.prototype.addPieSliceVertex=function(e,t,i,r){var s=r?1:0;i=i.mult(r?-1:1);var a=this.arrayGroups.line[this.arrayGroups.line.length-1],n=a.layoutVertexArray,u=a.elementArray;this.e3=this.addLineVertex(n,e,i,0,s,0,t),this.e1>=0&&this.e2>=0&&u.emplaceBack(this.e1,this.e2,this.e3),r?this.e2=this.e3:this.e1=this.e3};
},{"../../util/util":122,"../bucket":2,"../load_geometry":11}],7:[function(require,module,exports){
"use strict";function SymbolBucket(e){Bucket.apply(this,arguments),this.showCollisionBoxes=e.showCollisionBoxes,this.overscaling=e.overscaling,this.collisionBoxArray=e.collisionBoxArray,this.symbolQuadsArray=e.symbolQuadsArray,this.symbolInstancesArray=e.symbolInstancesArray,this.sdfIcons=e.sdfIcons,this.iconsNeedLinear=e.iconsNeedLinear,this.adjustedTextSize=e.adjustedTextSize,this.adjustedIconSize=e.adjustedIconSize,this.fontstack=e.fontstack}function addVertex(e,t,o,a,n,i,s,r,l,y,c){return e.emplaceBack(t,o,Math.round(64*a),Math.round(64*n),i/4,s/4,10*(y||0),c,10*(r||0),10*Math.min(l||25,25))}var Point=require("point-geometry"),Bucket=require("../bucket"),Anchor=require("../../symbol/anchor"),getAnchors=require("../../symbol/get_anchors"),resolveTokens=require("../../util/token"),Quads=require("../../symbol/quads"),Shaping=require("../../symbol/shaping"),resolveText=require("../../symbol/resolve_text"),mergeLines=require("../../symbol/mergelines"),clipLine=require("../../symbol/clip_line"),util=require("../../util/util"),loadGeometry=require("../load_geometry"),CollisionFeature=require("../../symbol/collision_feature"),findPoleOfInaccessibility=require("../../util/find_pole_of_inaccessibility"),classifyRings=require("../../util/classify_rings"),shapeText=Shaping.shapeText,shapeIcon=Shaping.shapeIcon,getGlyphQuads=Quads.getGlyphQuads,getIconQuads=Quads.getIconQuads,EXTENT=Bucket.EXTENT;module.exports=SymbolBucket,SymbolBucket.MAX_QUADS=65535,SymbolBucket.prototype=util.inherit(Bucket,{}),SymbolBucket.prototype.serialize=function(){var e=Bucket.prototype.serialize.apply(this);return e.sdfIcons=this.sdfIcons,e.iconsNeedLinear=this.iconsNeedLinear,e.adjustedTextSize=this.adjustedTextSize,e.adjustedIconSize=this.adjustedIconSize,e.fontstack=this.fontstack,e};var layoutVertexArrayType=new Bucket.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_offset",components:2,type:"Int16"},{name:"a_texture_pos",components:2,type:"Uint16"},{name:"a_data",components:4,type:"Uint8"}]),elementArrayType=new Bucket.ElementArrayType;SymbolBucket.prototype.addCollisionBoxVertex=function(e,t,o,a,n){return e.emplaceBack(t.x,t.y,Math.round(o.x),Math.round(o.y),10*a,10*n)},SymbolBucket.prototype.programInterfaces={glyph:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType},icon:{layoutVertexArrayType:layoutVertexArrayType,elementArrayType:elementArrayType},collisionBox:{layoutVertexArrayType:new Bucket.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}])}},SymbolBucket.prototype.populateArrays=function(e,t,o){var a={lastIntegerZoom:1/0,lastIntegerZoomTime:0,lastZoom:0};this.adjustedTextMaxSize=this.layer.getLayoutValue("text-size",{zoom:18,zoomHistory:a}),this.adjustedTextSize=this.layer.getLayoutValue("text-size",{zoom:this.zoom+1,zoomHistory:a}),this.adjustedIconMaxSize=this.layer.getLayoutValue("icon-size",{zoom:18,zoomHistory:a}),this.adjustedIconSize=this.layer.getLayoutValue("icon-size",{zoom:this.zoom+1,zoomHistory:a});var n=512*this.overscaling;this.tilePixelRatio=EXTENT/n,this.compareText={},this.iconsNeedLinear=!1,this.symbolInstancesStartIndex=this.symbolInstancesArray.length;var i=this.layer.layout,s=this.features,r=this.textFeatures,l=.5,y=.5;switch(i["text-anchor"]){case"right":case"top-right":case"bottom-right":l=1;break;case"left":case"top-left":case"bottom-left":l=0}switch(i["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":y=1;break;case"top":case"top-right":case"top-left":y=0}for(var c="right"===i["text-justify"]?1:"left"===i["text-justify"]?0:.5,h=24,x=i["text-line-height"]*h,d="line"!==i["symbol-placement"]?i["text-max-width"]*h:0,u=i["text-letter-spacing"]*h,m=[i["text-offset"][0]*h,i["text-offset"][1]*h],p=this.fontstack=i["text-font"].join(","),g=[],b=0;b<s.length;b++)g.push(loadGeometry(s[b]));if("line"===i["symbol-placement"]){var I=mergeLines(s,r,g);g=I.geometries,s=I.features,r=I.textFeatures}for(var f,S,B=0;B<s.length;B++)if(g[B]){if(f=r[B]?shapeText(r[B],t[p],d,x,l,y,c,u,m):null,i["icon-image"]){var v=resolveTokens(s[B].properties,i["icon-image"]),A=o[v];S=shapeIcon(A,i),A&&(void 0===this.sdfIcons?this.sdfIcons=A.sdf:this.sdfIcons!==A.sdf&&util.warnOnce("Style sheet warning: Cannot mix SDF and non-SDF icons in one buffer"),1!==A.pixelRatio?this.iconsNeedLinear=!0:0===i["icon-rotate"]&&this.layer.isLayoutValueFeatureConstant("icon-rotate")||(this.iconsNeedLinear=!0))}else S=null;(f||S)&&this.addFeature(g[B],f,S,s[B])}this.symbolInstancesEndIndex=this.symbolInstancesArray.length,this.placeFeatures(e,this.showCollisionBoxes),this.trimArrays()},SymbolBucket.prototype.addFeature=function(e,t,o,a){var n=this.layer.layout,i=24,s=this.adjustedTextSize/i,r=void 0!==this.adjustedTextMaxSize?this.adjustedTextMaxSize:this.adjustedTextSize,l=this.tilePixelRatio*s,y=this.tilePixelRatio*r/i,c=this.tilePixelRatio*this.adjustedIconSize,h=this.tilePixelRatio*n["symbol-spacing"],x=n["symbol-avoid-edges"],d=n["text-padding"]*this.tilePixelRatio,u=n["icon-padding"]*this.tilePixelRatio,m=n["text-max-angle"]/180*Math.PI,p="map"===n["text-rotation-alignment"]&&"line"===n["symbol-placement"],g="map"===n["icon-rotation-alignment"]&&"line"===n["symbol-placement"],b=n["text-allow-overlap"]||n["icon-allow-overlap"]||n["text-ignore-placement"]||n["icon-ignore-placement"],I=n["symbol-placement"],f="line"===I,S=h/2,B=null;B=f?clipLine(e,0,0,EXTENT,EXTENT):classifyRings(e,0);for(var v=0;v<B.length;v++){var A=null,T=B[v],k=null;f?(k=T,A=getAnchors(k,h,m,t,o,i,y,this.overscaling,EXTENT)):(k=T[0],A=this.findPolygonAnchors(T));for(var M=0,z=A.length;M<z;M++){var E=A[M];if(!(t&&f&&this.anchorIsTooClose(t.text,S,E))){var P=!(E.x<0||E.x>EXTENT||E.y<0||E.y>EXTENT);if(!x||P){var w=P||b;this.addSymbolInstance(E,k,t,o,this.layer,w,this.symbolInstancesArray.length,this.collisionBoxArray,a.index,this.sourceLayerIndex,this.index,l,d,p,c,u,g,{zoom:this.zoom},a.properties)}}}}},SymbolBucket.prototype.findPolygonAnchors=function(e){var t=e[0];if(0===t.length)return[];if(t.length<3||!util.isClosedPolygon(t))return[new Anchor(t[0].x,t[0].y,0)];var o=null,a=findPoleOfInaccessibility(e,16);return o=[new Anchor(a.x,a.y,0)]},SymbolBucket.prototype.anchorIsTooClose=function(e,t,o){var a=this.compareText;if(e in a){for(var n=a[e],i=n.length-1;i>=0;i--)if(o.dist(n[i])<t)return!0}else a[e]=[];return a[e].push(o),!1},SymbolBucket.prototype.placeFeatures=function(e,t){this.recalculateStyleLayers(),this.createArrays();var o=this.layer.layout,a=e.maxScale,n="map"===o["text-rotation-alignment"]&&"line"===o["symbol-placement"],i="map"===o["icon-rotation-alignment"]&&"line"===o["symbol-placement"],s=o["text-allow-overlap"]||o["icon-allow-overlap"]||o["text-ignore-placement"]||o["icon-ignore-placement"];if(s){var r=this.symbolInstancesArray.toArray(this.symbolInstancesStartIndex,this.symbolInstancesEndIndex),l=e.angle,y=Math.sin(l),c=Math.cos(l);this.sortedSymbolInstances=r.sort(function(e,t){var o=y*e.anchorPointX+c*e.anchorPointY|0,a=y*t.anchorPointX+c*t.anchorPointY|0;return o-a||t.index-e.index})}for(var h=this.symbolInstancesStartIndex;h<this.symbolInstancesEndIndex;h++){var x=this.sortedSymbolInstances?this.sortedSymbolInstances[h-this.symbolInstancesStartIndex]:this.symbolInstancesArray.get(h),d={boxStartIndex:x.textBoxStartIndex,boxEndIndex:x.textBoxEndIndex},u={boxStartIndex:x.iconBoxStartIndex,boxEndIndex:x.iconBoxEndIndex},m=!(x.textBoxStartIndex===x.textBoxEndIndex),p=!(x.iconBoxStartIndex===x.iconBoxEndIndex),g=o["text-optional"]||!m,b=o["icon-optional"]||!p,I=m?e.placeCollisionFeature(d,o["text-allow-overlap"],o["symbol-avoid-edges"]):e.minScale,f=p?e.placeCollisionFeature(u,o["icon-allow-overlap"],o["symbol-avoid-edges"]):e.minScale;g||b?!b&&I?I=Math.max(f,I):!g&&f&&(f=Math.max(f,I)):f=I=Math.max(f,I),m&&(e.insertCollisionFeature(d,I,o["text-ignore-placement"]),I<=a&&this.addSymbols("glyph",x.glyphQuadStartIndex,x.glyphQuadEndIndex,I,o["text-keep-upright"],n,e.angle)),p&&(e.insertCollisionFeature(u,f,o["icon-ignore-placement"]),f<=a&&this.addSymbols("icon",x.iconQuadStartIndex,x.iconQuadEndIndex,f,o["icon-keep-upright"],i,e.angle))}t&&this.addToDebugBuffers(e)},SymbolBucket.prototype.addSymbols=function(e,t,o,a,n,i,s){for(var r=this.prepareArrayGroup(e,4*(o-t)),l=r.elementArray,y=r.layoutVertexArray,c=this.zoom,h=Math.max(Math.log(a)/Math.LN2+c,0),x=t;x<o;x++){var d=this.symbolQuadsArray.get(x).SymbolQuad,u=(d.anchorAngle+s+Math.PI)%(2*Math.PI);if(!(n&&i&&(u<=Math.PI/2||u>3*Math.PI/2))){var m=d.tl,p=d.tr,g=d.bl,b=d.br,I=d.tex,f=d.anchorPoint,S=Math.max(c+Math.log(d.minScale)/Math.LN2,h),B=Math.min(c+Math.log(d.maxScale)/Math.LN2,25);if(!(B<=S)){S===h&&(S=0);var v=Math.round(d.glyphAngle/(2*Math.PI)*256),A=addVertex(y,f.x,f.y,m.x,m.y,I.x,I.y,S,B,h,v);addVertex(y,f.x,f.y,p.x,p.y,I.x+I.w,I.y,S,B,h,v),addVertex(y,f.x,f.y,g.x,g.y,I.x,I.y+I.h,S,B,h,v),addVertex(y,f.x,f.y,b.x,b.y,I.x+I.w,I.y+I.h,S,B,h,v),l.emplaceBack(A,A+1,A+2),l.emplaceBack(A+1,A+2,A+3)}}}},SymbolBucket.prototype.updateIcons=function(e){this.recalculateStyleLayers();var t=this.layer.layout["icon-image"];if(t)for(var o=0;o<this.features.length;o++){var a=resolveTokens(this.features[o].properties,t);a&&(e[a]=!0)}},SymbolBucket.prototype.updateFont=function(e){this.recalculateStyleLayers();var t=this.layer.layout["text-font"],o=e[t]=e[t]||{};this.textFeatures=resolveText(this.features,this.layer.layout,o)},SymbolBucket.prototype.addToDebugBuffers=function(e){for(var t=this.prepareArrayGroup("collisionBox",0),o=t.layoutVertexArray,a=-e.angle,n=e.yStretch,i=this.symbolInstancesStartIndex;i<this.symbolInstancesEndIndex;i++){var s=this.symbolInstancesArray.get(i);s.textCollisionFeature={boxStartIndex:s.textBoxStartIndex,boxEndIndex:s.textBoxEndIndex},s.iconCollisionFeature={boxStartIndex:s.iconBoxStartIndex,boxEndIndex:s.iconBoxEndIndex};for(var r=0;r<2;r++){var l=s[0===r?"textCollisionFeature":"iconCollisionFeature"];if(l)for(var y=l.boxStartIndex;y<l.boxEndIndex;y++){var c=this.collisionBoxArray.get(y),h=c.anchorPoint,x=new Point(c.x1,c.y1*n)._rotate(a),d=new Point(c.x2,c.y1*n)._rotate(a),u=new Point(c.x1,c.y2*n)._rotate(a),m=new Point(c.x2,c.y2*n)._rotate(a),p=Math.max(0,Math.min(25,this.zoom+Math.log(c.maxScale)/Math.LN2)),g=Math.max(0,Math.min(25,this.zoom+Math.log(c.placementScale)/Math.LN2));this.addCollisionBoxVertex(o,h,x,p,g),this.addCollisionBoxVertex(o,h,d,p,g),this.addCollisionBoxVertex(o,h,d,p,g),this.addCollisionBoxVertex(o,h,m,p,g),this.addCollisionBoxVertex(o,h,m,p,g),this.addCollisionBoxVertex(o,h,u,p,g),this.addCollisionBoxVertex(o,h,u,p,g),this.addCollisionBoxVertex(o,h,x,p,g)}}}},SymbolBucket.prototype.addSymbolInstance=function(e,t,o,a,n,i,s,r,l,y,c,h,x,d,u,m,p,g,b){var I,f,S,B,v,A,T,k;if(o&&(T=i?getGlyphQuads(e,o,h,t,n,d):[],v=new CollisionFeature(r,t,e,l,y,c,o,h,x,d,!1)),I=this.symbolQuadsArray.length,T&&T.length)for(var M=0;M<T.length;M++)this.addSymbolQuad(T[M]);f=this.symbolQuadsArray.length;var z=v?v.boxStartIndex:this.collisionBoxArray.length,E=v?v.boxEndIndex:this.collisionBoxArray.length;a&&(k=i?getIconQuads(e,a,u,t,n,p,o,g,b):[],A=new CollisionFeature(r,t,e,l,y,c,a,u,m,p,!0)),S=this.symbolQuadsArray.length,k&&1===k.length&&this.addSymbolQuad(k[0]),B=this.symbolQuadsArray.length;var P=A?A.boxStartIndex:this.collisionBoxArray.length,w=A?A.boxEndIndex:this.collisionBoxArray.length;return B>SymbolBucket.MAX_QUADS&&util.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),f>SymbolBucket.MAX_QUADS&&util.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),this.symbolInstancesArray.emplaceBack(z,E,P,w,I,f,S,B,e.x,e.y,s)},SymbolBucket.prototype.addSymbolQuad=function(e){return this.symbolQuadsArray.emplaceBack(e.anchorPoint.x,e.anchorPoint.y,e.tl.x,e.tl.y,e.tr.x,e.tr.y,e.bl.x,e.bl.y,e.br.x,e.br.y,e.tex.h,e.tex.w,e.tex.x,e.tex.y,e.anchorAngle,e.glyphAngle,e.maxScale,e.minScale)};
},{"../../symbol/anchor":69,"../../symbol/clip_line":71,"../../symbol/collision_feature":73,"../../symbol/get_anchors":75,"../../symbol/mergelines":78,"../../symbol/quads":79,"../../symbol/resolve_text":80,"../../symbol/shaping":81,"../../util/classify_rings":108,"../../util/find_pole_of_inaccessibility":114,"../../util/token":121,"../../util/util":122,"../bucket":2,"../load_geometry":11,"point-geometry":192}],8:[function(require,module,exports){
"use strict";function Buffer(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}module.exports=Buffer,Buffer.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)};var AttributeType={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"};Buffer.prototype.setVertexAttribPointers=function(t,e){for(var r=0;r<this.attributes.length;r++){var f=this.attributes[r],i=e[f.name];void 0!==i&&t.vertexAttribPointer(i,f.components,t[AttributeType[f.type]],!1,this.arrayType.bytesPerElement,f.offset)}},Buffer.prototype.destroy=function(){this.buffer&&this.gl.deleteBuffer(this.buffer)},Buffer.BufferType={VERTEX:"ARRAY_BUFFER",ELEMENT:"ELEMENT_ARRAY_BUFFER"};
},{}],9:[function(require,module,exports){
"use strict";function BufferGroup(e,r){this.layoutVertexBuffer=new Buffer(e.layoutVertexArray,r.layoutVertexArrayType,Buffer.BufferType.VERTEX),e.elementArray&&(this.elementBuffer=new Buffer(e.elementArray,r.elementArrayType,Buffer.BufferType.ELEMENT));var t,f=this.vaos={};e.elementArray2&&(this.elementBuffer2=new Buffer(e.elementArray2,r.elementArrayType2,Buffer.BufferType.ELEMENT),t=this.secondVaos={}),this.paintVertexBuffers=util.mapObject(e.paintVertexArrays,function(u,s){return f[s]=new VertexArrayObject,e.elementArray2&&(t[s]=new VertexArrayObject),new Buffer(u,r.paintVertexArrayTypes[s],Buffer.BufferType.VERTEX)})}var util=require("../util/util"),Buffer=require("./buffer"),VertexArrayObject=require("../render/vertex_array_object");module.exports=BufferGroup,BufferGroup.prototype.destroy=function(){this.layoutVertexBuffer.destroy(),this.elementBuffer&&this.elementBuffer.destroy(),this.elementBuffer2&&this.elementBuffer2.destroy();for(var e in this.paintVertexBuffers)this.paintVertexBuffers[e].destroy();for(var r in this.vaos)this.vaos[r].destroy();for(var t in this.secondVaos)this.secondVaos[t].destroy()};
},{"../render/vertex_array_object":34,"../util/util":122,"./buffer":8}],10:[function(require,module,exports){
"use strict";function FeatureIndex(e,t,r){if(e.grid){var i=e,n=t;e=i.coord,t=i.overscaling,this.grid=new Grid(i.grid),this.featureIndexArray=new FeatureIndexArray(i.featureIndexArray),this.rawTileData=n,this.bucketLayerIDs=i.bucketLayerIDs}else this.grid=new Grid(EXTENT,16,0),this.featureIndexArray=new FeatureIndexArray;this.coord=e,this.overscaling=t,this.x=e.x,this.y=e.y,this.z=e.z-Math.log(t)/Math.LN2,this.setCollisionTile(r)}function translateDistance(e){return Math.sqrt(e[0]*e[0]+e[1]*e[1])}function topDownFeatureComparator(e,t){return t-e}function getLineWidth(e){return e["line-gap-width"]>0?e["line-gap-width"]+2*e["line-width"]:e["line-width"]}function translate(e,t,r,i,n){if(!t[0]&&!t[1])return e;t=Point.convert(t),"viewport"===r&&t._rotate(-i);for(var a=[],o=0;o<e.length;o++){for(var s=e[o],l=[],u=0;u<s.length;u++)l.push(s[u].sub(t._mult(n)));a.push(l)}return a}function offsetLine(e,t){for(var r=[],i=new Point(0,0),n=0;n<e.length;n++){for(var a=e[n],o=[],s=0;s<a.length;s++){var l=a[s-1],u=a[s],c=a[s+1],f=0===s?i:u.sub(l)._unit()._perp(),y=s===a.length-1?i:c.sub(u)._unit()._perp(),h=f._add(y)._unit(),d=h.x*y.x+h.y*y.y;h._mult(1/d),o.push(h._mult(t)._add(u))}r.push(o)}return r}var Point=require("point-geometry"),loadGeometry=require("./load_geometry"),EXTENT=require("./bucket").EXTENT,featureFilter=require("feature-filter"),StructArrayType=require("../util/struct_array"),Grid=require("grid-index"),DictionaryCoder=require("../util/dictionary_coder"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),arraysIntersect=require("../util/util").arraysIntersect,intersection=require("../util/intersection_tests"),multiPolygonIntersectsBufferedMultiPoint=intersection.multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon=intersection.multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine=intersection.multiPolygonIntersectsBufferedMultiLine,FeatureIndexArray=new StructArrayType({members:[{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"}]});module.exports=FeatureIndex,FeatureIndex.prototype.insert=function(e,t,r,i){var n=this.featureIndexArray.length;this.featureIndexArray.emplaceBack(t,r,i);for(var a=loadGeometry(e),o=0;o<a.length;o++){for(var s=a[o],l=[1/0,1/0,-(1/0),-(1/0)],u=0;u<s.length;u++){var c=s[u];l[0]=Math.min(l[0],c.x),l[1]=Math.min(l[1],c.y),l[2]=Math.max(l[2],c.x),l[3]=Math.max(l[3],c.y)}this.grid.insert(n,l[0],l[1],l[2],l[3])}},FeatureIndex.prototype.setCollisionTile=function(e){this.collisionTile=e},FeatureIndex.prototype.serialize=function(){var e={coord:this.coord,overscaling:this.overscaling,grid:this.grid.toArrayBuffer(),featureIndexArray:this.featureIndexArray.serialize(),bucketLayerIDs:this.bucketLayerIDs};return{data:e,transferables:[e.grid,e.featureIndexArray.arrayBuffer]}},FeatureIndex.prototype.query=function(e,t){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers,this.sourceLayerCoder=new DictionaryCoder(this.vtLayers?Object.keys(this.vtLayers).sort():["_geojsonTileLayer"]));var r={},i=e.params||{},n=EXTENT/e.tileSize/e.scale,a=featureFilter(i.filter),o=0;for(var s in t){var l=t[s],u=l.paint,c=0;"line"===l.type?c=getLineWidth(u)/2+Math.abs(u["line-offset"])+translateDistance(u["line-translate"]):"fill"===l.type?c=translateDistance(u["fill-translate"]):"circle"===l.type&&(c=u["circle-radius"]+translateDistance(u["circle-translate"])),o=Math.max(o,c*n)}for(var f=e.queryGeometry.map(function(e){return e.map(function(e){return new Point(e.x,e.y)})}),y=1/0,h=1/0,d=-(1/0),g=-(1/0),v=0;v<f.length;v++)for(var p=f[v],x=0;x<p.length;x++){var I=p[x];y=Math.min(y,I.x),h=Math.min(h,I.y),d=Math.max(d,I.x),g=Math.max(g,I.y)}var m=this.grid.query(y-o,h-o,d+o,g+o);m.sort(topDownFeatureComparator),this.filterMatching(r,m,this.featureIndexArray,f,a,i.layers,t,e.bearing,n);var M=this.collisionTile.queryRenderedSymbols(y,h,d,g,e.scale);return M.sort(),this.filterMatching(r,M,this.collisionTile.collisionBoxArray,f,a,i.layers,t,e.bearing,n),r},FeatureIndex.prototype.filterMatching=function(e,t,r,i,n,a,o,s,l){for(var u,c=0;c<t.length;c++){var f=t[c];if(f!==u){u=f;var y=r.get(f),h=this.bucketLayerIDs[y.bucketIndex];if(!a||arraysIntersect(a,h)){var d=this.sourceLayerCoder.decode(y.sourceLayerIndex),g=this.vtLayers[d],v=g.feature(y.featureIndex);if(n(v))for(var p=null,x=0;x<h.length;x++){var I=h[x];if(!(a&&a.indexOf(I)<0)){var m=o[I];if(m){var M;if("symbol"!==m.type){p||(p=loadGeometry(v));var L=m.paint;if("line"===m.type){M=translate(i,L["line-translate"],L["line-translate-anchor"],s,l);var b=getLineWidth(L)/2*l;if(L["line-offset"]&&(p=offsetLine(p,L["line-offset"]*l)),!multiPolygonIntersectsBufferedMultiLine(M,p,b))continue}else if("fill"===m.type){if(M=translate(i,L["fill-translate"],L["fill-translate-anchor"],s,l),!multiPolygonIntersectsMultiPolygon(M,p))continue}else if("circle"===m.type){M=translate(i,L["circle-translate"],L["circle-translate-anchor"],s,l);var P=L["circle-radius"]*l;if(!multiPolygonIntersectsBufferedMultiPoint(M,p,P))continue}}var w=new GeoJSONFeature(v,this.z,this.x,this.y);w.layer=m.serialize({includeRefProperties:!0});var T=e[I];void 0===T&&(T=e[I]=[]),T.push(w)}}}}}}};
},{"../util/dictionary_coder":110,"../util/intersection_tests":117,"../util/struct_array":120,"../util/util":122,"../util/vectortile_to_geojson":123,"./bucket":2,"./load_geometry":11,"feature-filter":138,"grid-index":160,"pbf":190,"point-geometry":192,"vector-tile":202}],11:[function(require,module,exports){
"use strict";function createBounds(e){return{min:-1*Math.pow(2,e-1),max:Math.pow(2,e-1)-1}}var util=require("../util/util"),EXTENT=require("./bucket").EXTENT,boundsLookup={15:createBounds(15),16:createBounds(16)};module.exports=function(e,t){for(var r=boundsLookup[t||16],o=EXTENT/e.extent,u=e.loadGeometry(),n=0;n<u.length;n++)for(var a=u[n],i=0;i<a.length;i++){var d=a[i];d.x=Math.round(d.x*o),d.y=Math.round(d.y*o),(d.x<r.min||d.x>r.max||d.y<r.min||d.y>r.max)&&util.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return u};
},{"../util/util":122,"./bucket":2}],12:[function(require,module,exports){
"use strict";function Coordinate(o,t,n){this.column=o,this.row=t,this.zoom=n}module.exports=Coordinate,Coordinate.prototype={clone:function(){return new Coordinate(this.column,this.row,this.zoom)},zoomTo:function(o){return this.clone()._zoomTo(o)},sub:function(o){return this.clone()._sub(o)},_zoomTo:function(o){var t=Math.pow(2,o-this.zoom);return this.column*=t,this.row*=t,this.zoom=o,this},_sub:function(o){return o=o.zoomTo(this.zoom),this.column-=o.column,this.row-=o.row,this}};
},{}],13:[function(require,module,exports){
"use strict";function LngLat(t,n){if(isNaN(t)||isNaN(n))throw new Error("Invalid LngLat object: ("+t+", "+n+")");if(this.lng=+t,this.lat=+n,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")}module.exports=LngLat;var wrap=require("../util/util").wrap;LngLat.prototype.wrap=function(){return new LngLat(wrap(this.lng,-180,180),this.lat)},LngLat.prototype.toArray=function(){return[this.lng,this.lat]},LngLat.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},LngLat.convert=function(t){if(t instanceof LngLat)return t;if(t&&t.hasOwnProperty("lng")&&t.hasOwnProperty("lat"))return new LngLat(t.lng,t.lat);if(Array.isArray(t)&&2===t.length)return new LngLat(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>]")};
},{"../util/util":122}],14:[function(require,module,exports){
"use strict";function LngLatBounds(t,n){t&&(n?this.setSouthWest(t).setNorthEast(n):4===t.length?this.setSouthWest([t[0],t[1]]).setNorthEast([t[2],t[3]]):this.setSouthWest(t[0]).setNorthEast(t[1]))}module.exports=LngLatBounds;var LngLat=require("./lng_lat");LngLatBounds.prototype={setNorthEast:function(t){return this._ne=LngLat.convert(t),this},setSouthWest:function(t){return this._sw=LngLat.convert(t),this},extend:function(t){var n,e,s=this._sw,r=this._ne;if(t instanceof LngLat)n=t,e=t;else{if(!(t instanceof LngLatBounds))return Array.isArray(t)?t.every(Array.isArray)?this.extend(LngLatBounds.convert(t)):this.extend(LngLat.convert(t)):this;if(n=t._sw,e=t._ne,!n||!e)return this}return s||r?(s.lng=Math.min(n.lng,s.lng),s.lat=Math.min(n.lat,s.lat),r.lng=Math.max(e.lng,r.lng),r.lat=Math.max(e.lat,r.lat)):(this._sw=new LngLat(n.lng,n.lat),this._ne=new LngLat(e.lng,e.lat)),this},getCenter:function(){return new LngLat((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},getSouthWest:function(){return this._sw},getNorthEast:function(){return this._ne},getNorthWest:function(){return new LngLat(this.getWest(),this.getNorth())},getSouthEast:function(){return new LngLat(this.getEast(),this.getSouth())},getWest:function(){return this._sw.lng},getSouth:function(){return this._sw.lat},getEast:function(){return this._ne.lng},getNorth:function(){return this._ne.lat},toArray:function(){return[this._sw.toArray(),this._ne.toArray()]},toString:function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"}},LngLatBounds.convert=function(t){return!t||t instanceof LngLatBounds?t:new LngLatBounds(t)};
},{"./lng_lat":13}],15:[function(require,module,exports){
"use strict";function Transform(t,i){this.tileSize=512,this._minZoom=t||0,this._maxZoom=i||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new LngLat(0,0),this.zoom=0,this.angle=0,this._altitude=1.5,this._pitch=0,this._unmodified=!0}var LngLat=require("./lng_lat"),Point=require("point-geometry"),Coordinate=require("./coordinate"),util=require("../util/util"),interp=require("../util/interpolate"),TileCoord=require("../source/tile_coord"),EXTENT=require("../data/bucket").EXTENT,glmatrix=require("gl-matrix"),vec4=glmatrix.vec4,mat4=glmatrix.mat4,mat2=glmatrix.mat2;module.exports=Transform,Transform.prototype={get minZoom(){return this._minZoom},set minZoom(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},get maxZoom(){return this._maxZoom},set maxZoom(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},get worldSize(){return this.tileSize*this.scale},get centerPoint(){return this.size._div(2)},get size(){return new Point(this.width,this.height)},get bearing(){return-this.angle/Math.PI*180},set bearing(t){var i=-util.wrap(t,-180,180)*Math.PI/180;this.angle!==i&&(this._unmodified=!1,this.angle=i,this._calcMatrices(),this.rotationMatrix=mat2.create(),mat2.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},get pitch(){return this._pitch/Math.PI*180},set pitch(t){var i=util.clamp(t,0,60)/180*Math.PI;this._pitch!==i&&(this._unmodified=!1,this._pitch=i,this._calcMatrices())},get altitude(){return this._altitude},set altitude(t){var i=Math.max(.75,t);this._altitude!==i&&(this._unmodified=!1,this._altitude=i,this._calcMatrices())},get zoom(){return this._zoom},set zoom(t){var i=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==i&&(this._unmodified=!1,this._zoom=i,this.scale=this.zoomScale(i),this.tileZoom=Math.floor(i),this.zoomFraction=i-this.tileZoom,this._calcMatrices(),this._constrain())},get center(){return this._center},set center(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._calcMatrices(),this._constrain())},coveringZoomLevel:function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},coveringTiles:function(t){var i=this.coveringZoomLevel(t),o=i;if(i<t.minzoom)return[];i>t.maxzoom&&(i=t.maxzoom);var e=this,n=e.locationCoordinate(e.center)._zoomTo(i),a=new Point(n.column-.5,n.row-.5);return TileCoord.cover(i,[e.pointCoordinate(new Point(0,0))._zoomTo(i),e.pointCoordinate(new Point(e.width,0))._zoomTo(i),e.pointCoordinate(new Point(e.width,e.height))._zoomTo(i),e.pointCoordinate(new Point(0,e.height))._zoomTo(i)],t.reparseOverscaled?o:i).sort(function(t,i){return a.dist(t)-a.dist(i)})},resize:function(t,i){this.width=t,this.height=i,this.pixelsToGLUnits=[2/t,-2/i],this._calcMatrices(),this._constrain()},get unmodified(){return this._unmodified},zoomScale:function(t){return Math.pow(2,t)},scaleZoom:function(t){return Math.log(t)/Math.LN2},project:function(t,i){return new Point(this.lngX(t.lng,i),this.latY(t.lat,i))},unproject:function(t,i){return new LngLat(this.xLng(t.x,i),this.yLat(t.y,i))},get x(){return this.lngX(this.center.lng)},get y(){return this.latY(this.center.lat)},get point(){return new Point(this.x,this.y)},lngX:function(t,i){return(180+t)*(i||this.worldSize)/360},latY:function(t,i){var o=180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360));return(180-o)*(i||this.worldSize)/360},xLng:function(t,i){return 360*t/(i||this.worldSize)-180},yLat:function(t,i){var o=180-360*t/(i||this.worldSize);return 360/Math.PI*Math.atan(Math.exp(o*Math.PI/180))-90},panBy:function(t){var i=this.centerPoint._add(t);this.center=this.pointLocation(i)},setLocationAtPoint:function(t,i){var o=this.locationCoordinate(t),e=this.pointCoordinate(i),n=this.pointCoordinate(this.centerPoint),a=e._sub(o);this._unmodified=!1,this.center=this.coordinateLocation(n._sub(a))},locationPoint:function(t){return this.coordinatePoint(this.locationCoordinate(t))},pointLocation:function(t){return this.coordinateLocation(this.pointCoordinate(t))},locationCoordinate:function(t){var i=this.zoomScale(this.tileZoom)/this.worldSize,o=LngLat.convert(t);return new Coordinate(this.lngX(o.lng)*i,this.latY(o.lat)*i,this.tileZoom)},coordinateLocation:function(t){var i=this.zoomScale(t.zoom);return new LngLat(this.xLng(t.column,i),this.yLat(t.row,i))},pointCoordinate:function(t){var i=0,o=[t.x,t.y,0,1],e=[t.x,t.y,1,1];vec4.transformMat4(o,o,this.pixelMatrixInverse),vec4.transformMat4(e,e,this.pixelMatrixInverse);var n=o[3],a=e[3],h=o[0]/n,r=e[0]/a,s=o[1]/n,c=e[1]/a,l=o[2]/n,u=e[2]/a,m=l===u?0:(i-l)/(u-l),d=this.worldSize/this.zoomScale(this.tileZoom);return new Coordinate(interp(h,r,m)/d,interp(s,c,m)/d,this.tileZoom)},coordinatePoint:function(t){var i=this.worldSize/this.zoomScale(t.zoom),o=[t.column*i,t.row*i,0,1];return vec4.transformMat4(o,o,this.pixelMatrix),new Point(o[0]/o[3],o[1]/o[3])},calculatePosMatrix:function(t,i){void 0===i&&(i=1/0),t instanceof TileCoord&&(t=t.toCoordinate(i));var o=Math.min(t.zoom,i),e=this.worldSize/Math.pow(2,o),n=new Float64Array(16);return mat4.identity(n),mat4.translate(n,n,[t.column*e,t.row*e,0]),mat4.scale(n,n,[e/EXTENT,e/EXTENT,1]),mat4.multiply(n,this.projMatrix,n),new Float32Array(n)},_constrain:function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,i,o,e,n,a,h,r,s=this.size,c=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),i=this.latY(this.latRange[0]),n=i-t<s.y?s.y/(i-t):0),this.lngRange&&(o=this.lngX(this.lngRange[0]),e=this.lngX(this.lngRange[1]),a=e-o<s.x?s.x/(e-o):0);var l=Math.max(a||0,n||0);if(l)return this.center=this.unproject(new Point(a?(e+o)/2:this.x,n?(i+t)/2:this.y)),this.zoom+=this.scaleZoom(l),this._unmodified=c,void(this._constraining=!1);if(this.latRange){var u=this.y,m=s.y/2;u-m<t&&(r=t+m),u+m>i&&(r=i-m)}if(this.lngRange){var d=this.x,g=s.x/2;d-g<o&&(h=o+g),d+g>e&&(h=e-g)}void 0===h&&void 0===r||(this.center=this.unproject(new Point(void 0!==h?h:this.x,void 0!==r?r:this.y))),this._unmodified=c,this._constraining=!1}},_calcMatrices:function(){if(this.height){var t=Math.atan(.5/this.altitude),i=Math.sin(t)*this.altitude/Math.sin(Math.PI/2-this._pitch-t),o=Math.cos(Math.PI/2-this._pitch)*i+this.altitude,e=new Float64Array(16);if(mat4.perspective(e,2*Math.atan(this.height/2/this.altitude),this.width/this.height,.1,o),mat4.translate(e,e,[0,0,-this.altitude]),mat4.scale(e,e,[1,-1,1/this.height]),mat4.rotateX(e,e,this._pitch),mat4.rotateZ(e,e,this.angle),mat4.translate(e,e,[-this.x,-this.y,0]),this.projMatrix=e,e=mat4.create(),mat4.scale(e,e,[this.width/2,-this.height/2,1]),mat4.translate(e,e,[1,-1,0]),this.pixelMatrix=mat4.multiply(new Float64Array(16),e,this.projMatrix),e=mat4.invert(new Float64Array(16),this.pixelMatrix),!e)throw new Error("failed to invert matrix");this.pixelMatrixInverse=e,e=mat2.create(),mat2.scale(e,e,[1,Math.cos(this._pitch)]),mat2.rotate(e,e,this.angle),this.lineAntialiasingMatrix=e;var n=Math.sqrt(this.height*this.height/4*(1+this.altitude*this.altitude));this.lineStretch=(n+this.height/2*Math.tan(this._pitch))/n-1}}};
},{"../data/bucket":2,"../source/tile_coord":46,"../util/interpolate":116,"../util/util":122,"./coordinate":12,"./lng_lat":13,"gl-matrix":150,"point-geometry":192}],16:[function(require,module,exports){
"use strict";var WorkerPool=require("./util/worker_pool"),globalWorkerPool;module.exports=function(){return globalWorkerPool||(globalWorkerPool=new WorkerPool),globalWorkerPool};
},{"./util/worker_pool":124}],17:[function(require,module,exports){
"use strict";var simplexFont={" 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,15,3]],e:[18,[3,8,15,8,15,10,14,12,13,13,11,14,8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3]],f:[12,[10,21,8,21,6,20,5,17,5,0,-1,-1,2,14,9,14]],g:[19,[15,14,15,-2,14,-5,13,-6,11,-7,8,-7,6,-6,-1,-1,15,11,13,13,11,14,8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3]],h:[19,[4,21,4,0,-1,-1,4,10,7,13,9,14,12,14,14,13,15,10,15,0]],i:[8,[3,21,4,20,5,21,4,22,3,21,-1,-1,4,14,4,0]],j:[10,[5,21,6,20,7,21,6,22,5,21,-1,-1,6,14,6,-3,5,-6,3,-7,1,-7]],k:[17,[4,21,4,0,-1,-1,14,14,4,4,-1,-1,8,8,15,0]],l:[8,[4,21,4,0]],m:[30,[4,14,4,0,-1,-1,4,10,7,13,9,14,12,14,14,13,15,10,15,0,-1,-1,15,10,18,13,20,14,23,14,25,13,26,10,26,0]],n:[19,[4,14,4,0,-1,-1,4,10,7,13,9,14,12,14,14,13,15,10,15,0]],o:[19,[8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3,16,6,16,8,15,11,13,13,11,14,8,14]],p:[19,[4,14,4,-7,-1,-1,4,11,6,13,8,14,11,14,13,13,15,11,16,8,16,6,15,3,13,1,11,0,8,0,6,1,4,3]],q:[19,[15,14,15,-7,-1,-1,15,11,13,13,11,14,8,14,6,13,4,11,3,8,3,6,4,3,6,1,8,0,11,0,13,1,15,3]],r:[13,[4,14,4,0,-1,-1,4,8,5,11,7,13,9,14,12,14]],s:[17,[14,11,13,13,10,14,7,14,4,13,3,11,4,9,6,8,11,7,13,6,14,4,14,3,13,1,10,0,7,0,4,1,3,3]],t:[12,[5,21,5,4,6,1,8,0,10,0,-1,-1,2,14,9,14]],u:[19,[4,14,4,4,5,1,7,0,10,0,12,1,15,4,-1,-1,15,14,15,0]],v:[16,[2,14,8,0,-1,-1,14,14,8,0]],w:[22,[3,14,7,0,-1,-1,11,14,7,0,-1,-1,11,14,15,0,-1,-1,19,14,15,0]],x:[17,[3,14,14,0,-1,-1,14,14,3,0]],y:[16,[2,14,8,0,-1,-1,14,14,8,0,6,-4,4,-6,2,-7,1,-7]],z:[17,[14,14,3,0,-1,-1,3,14,14,14,-1,-1,3,0,14,0]],"{":[14,[9,25,7,24,6,23,5,21,5,19,6,17,7,16,8,14,8,12,6,10,-1,-1,7,24,6,22,6,20,7,18,8,17,9,15,9,13,8,11,4,9,8,7,9,5,9,3,8,1,7,0,6,-2,6,-4,7,-6,-1,-1,6,8,8,6,8,4,7,2,6,1,5,-1,5,-3,6,-5,7,-6,9,-7]],"|":[8,[4,25,4,-7]],"}":[14,[5,25,7,24,8,23,9,21,9,19,8,17,7,16,6,14,6,12,8,10,-1,-1,7,24,8,22,8,20,7,18,6,17,5,15,5,13,6,11,10,9,6,7,5,5,5,3,6,1,7,0,8,-2,8,-4,7,-6,-1,-1,8,8,6,6,6,4,7,2,8,1,9,-1,9,-3,8,-5,7,-6,5,-7]],"~":[24,[3,6,3,8,4,11,6,12,8,12,10,11,14,8,16,7,18,7,20,8,21,10,-1,-1,3,8,4,10,6,11,8,11,10,10,14,7,16,6,18,6,20,7,21,10,21,12]]};module.exports=function(l,n,t,e){e=e||1;var r,o,u,s,i,x,f,p,h=[];for(r=0,o=l.length;r<o;r++)if(i=simplexFont[l[r]]){for(p=null,u=0,s=i[1].length;u<s;u+=2)i[1][u]===-1&&i[1][u+1]===-1?p=null:(x=n+i[1][u]*e,f=t-i[1][u+1]*e,p&&h.push(p.x,p.y,x,f),p={x:x,y:f});n+=i[0]*e}return h};
},{}],18:[function(require,module,exports){
"use strict";var browser=require("./util/browser"),mapboxgl=module.exports={};mapboxgl.version=require("../package.json").version,mapboxgl.workerCount=Math.max(browser.hardwareConcurrency-1,1),mapboxgl.Map=require("./ui/map"),mapboxgl.Control=require("./ui/control/control"),mapboxgl.NavigationControl=require("./ui/control/navigation_control"),mapboxgl.GeolocateControl=require("./ui/control/geolocate_control"),mapboxgl.AttributionControl=require("./ui/control/attribution_control"),mapboxgl.ScaleControl=require("./ui/control/scale_control"),mapboxgl.Popup=require("./ui/popup"),mapboxgl.Marker=require("./ui/marker"),mapboxgl.Style=require("./style/style"),mapboxgl.LngLat=require("./geo/lng_lat"),mapboxgl.LngLatBounds=require("./geo/lng_lat_bounds"),mapboxgl.Point=require("point-geometry"),mapboxgl.Evented=require("./util/evented"),mapboxgl.util=require("./util/util"),mapboxgl.supported=require("./util/browser").supported;var ajax=require("./util/ajax");mapboxgl.util.getJSON=ajax.getJSON,mapboxgl.util.getArrayBuffer=ajax.getArrayBuffer;var config=require("./util/config");mapboxgl.config=config,Object.defineProperty(mapboxgl,"accessToken",{get:function(){return config.ACCESS_TOKEN},set:function(o){config.ACCESS_TOKEN=o}});
},{"../package.json":211,"./geo/lng_lat":13,"./geo/lng_lat_bounds":14,"./style/style":56,"./ui/control/attribution_control":87,"./ui/control/control":88,"./ui/control/geolocate_control":89,"./ui/control/navigation_control":90,"./ui/control/scale_control":91,"./ui/map":100,"./ui/marker":101,"./ui/popup":102,"./util/ajax":104,"./util/browser":105,"./util/config":109,"./util/evented":113,"./util/util":122,"point-geometry":192}],19:[function(require,module,exports){
"use strict";module.exports=function(e){for(var n={define:{},initialize:{}},i=0;i<e.length;i++){var o=e[i],t="{precision} "+(1===o.components?"float":"vec"+o.components);n.define[o.name.slice(2)]="uniform "+t+" "+o.name+";\n",n.initialize[o.name.slice(2)]=t+" "+o.name.slice(2)+" = "+o.name+";\n"}return n};
},{}],20:[function(require,module,exports){
"use strict";function drawBackground(r,e,t){var i,o=r.gl,a=r.transform,n=t.paint["background-color"],u=t.paint["background-pattern"],l=t.paint["background-opacity"],f=u?r.spriteAtlas.getPosition(u.from,!0):null,s=u?r.spriteAtlas.getPosition(u.to,!0):null;if(r.setDepthSublayer(0),f&&s){if(r.isOpaquePass)return;i=r.useProgram("fillPattern"),o.uniform1i(i.u_image,0),o.uniform2fv(i.u_pattern_tl_a,f.tl),o.uniform2fv(i.u_pattern_br_a,f.br),o.uniform2fv(i.u_pattern_tl_b,s.tl),o.uniform2fv(i.u_pattern_br_b,s.br),o.uniform1f(i.u_opacity,l),o.uniform1f(i.u_mix,u.t),o.uniform2fv(i.u_pattern_size_a,f.size),o.uniform2fv(i.u_pattern_size_b,s.size),o.uniform1f(i.u_scale_a,u.fromScale),o.uniform1f(i.u_scale_b,u.toScale),o.activeTexture(o.TEXTURE0),r.spriteAtlas.bind(o,!0),r.tileExtentPatternVAO.bind(o,i,r.tileExtentBuffer)}else{if(r.isOpaquePass!==(1===n[3]))return;var _=createUniformPragmas([{name:"u_color",components:4},{name:"u_opacity",components:1}]);i=r.useProgram("fill",[],_,_),o.uniform4fv(i.u_color,n),o.uniform1f(i.u_opacity,l),r.tileExtentVAO.bind(o,i,r.tileExtentBuffer)}o.disable(o.STENCIL_TEST);for(var m=a.coveringTiles({tileSize:tileSize}),c=0;c<m.length;c++){var p=m[c];if(f&&s){var d={coord:p,tileSize:tileSize};o.uniform1f(i.u_tile_units_to_pixels,1/pixelsToTileUnits(d,1,r.transform.tileZoom));var x=d.tileSize*Math.pow(2,r.transform.tileZoom-d.coord.z),g=x*(d.coord.x+p.w*Math.pow(2,d.coord.z)),v=x*d.coord.y;o.uniform2f(i.u_pixel_coord_upper,g>>16,v>>16),o.uniform2f(i.u_pixel_coord_lower,65535&g,65535&v)}o.uniformMatrix4fv(i.u_matrix,!1,r.transform.calculatePosMatrix(p)),o.drawArrays(o.TRIANGLE_STRIP,0,r.tileExtentBuffer.length)}o.stencilMask(0),o.stencilFunc(o.EQUAL,128,128)}var pixelsToTileUnits=require("../source/pixels_to_tile_units"),createUniformPragmas=require("./create_uniform_pragmas"),tileSize=512;module.exports=drawBackground;
},{"../source/pixels_to_tile_units":40,"./create_uniform_pragmas":19}],21:[function(require,module,exports){
"use strict";function drawCircles(e,r,t,i){if(!e.isOpaquePass){var a=e.gl;e.setDepthSublayer(0),e.depthMask(!1),a.disable(a.STENCIL_TEST);for(var s=0;s<i.length;s++){var l=i[s],o=r.getTile(l),n=o.getBucket(t);if(n){var f=n.bufferGroups.circle;if(f){var u=n.paintAttributes.circle[t.id],c=e.useProgram("circle",u.defines,u.vertexPragmas,u.fragmentPragmas);"map"===t.paint["circle-pitch-scale"]?(a.uniform1i(c.u_scale_with_map,!0),a.uniform2f(c.u_extrude_scale,e.transform.pixelsToGLUnits[0]*e.transform.altitude,e.transform.pixelsToGLUnits[1]*e.transform.altitude)):(a.uniform1i(c.u_scale_with_map,!1),a.uniform2fv(c.u_extrude_scale,e.transform.pixelsToGLUnits)),a.uniform1f(c.u_devicepixelratio,browser.devicePixelRatio),a.uniformMatrix4fv(c.u_matrix,!1,e.translatePosMatrix(l.posMatrix,o,t.paint["circle-translate"],t.paint["circle-translate-anchor"])),n.setUniforms(a,"circle",c,t,{zoom:e.transform.zoom});for(var m=0;m<f.length;m++){var p=f[m];p.vaos[t.id].bind(a,c,p.layoutVertexBuffer,p.elementBuffer,p.paintVertexBuffers[t.id]),a.drawElements(a.TRIANGLES,3*p.elementBuffer.length,a.UNSIGNED_SHORT,0)}}}}}}var browser=require("../util/browser");module.exports=drawCircles;
},{"../util/browser":105}],22:[function(require,module,exports){
"use strict";function drawCollisionDebug(o,r,e,i){var a=o.gl;a.enable(a.STENCIL_TEST);for(var l=o.useProgram("collisionBox"),t=0;t<i.length;t++){var u=i[t],f=r.getTile(u),n=f.getBucket(e);if(n){var s=n.bufferGroups.collisionBox;if(s&&s.length){var m=s[0];0!==m.layoutVertexBuffer.length&&(a.uniformMatrix4fv(l.u_matrix,!1,u.posMatrix),o.enableTileClippingMask(u),o.lineWidth(1),a.uniform1f(l.u_scale,Math.pow(2,o.transform.zoom-f.coord.z)),a.uniform1f(l.u_zoom,10*o.transform.zoom),a.uniform1f(l.u_maxzoom,10*(f.coord.z+1)),m.vaos[e.id].bind(a,l,m.layoutVertexBuffer),a.drawArrays(a.LINES,0,m.layoutVertexBuffer.length))}}}}module.exports=drawCollisionDebug;
},{}],23:[function(require,module,exports){
"use strict";function drawDebug(r,e,a){if(!r.isOpaquePass&&r.options.debug)for(var t=0;t<a.length;t++)drawDebugTile(r,e,a[t])}function drawDebugTile(r,e,a){var t=r.gl;t.disable(t.STENCIL_TEST),r.lineWidth(1*browser.devicePixelRatio);var i=a.posMatrix,u=r.useProgram("debug");t.uniformMatrix4fv(u.u_matrix,!1,i),t.uniform4f(u.u_color,1,0,0,1),r.debugVAO.bind(t,u,r.debugBuffer),t.drawArrays(t.LINE_STRIP,0,r.debugBuffer.length);for(var o=textVertices(a.toString(),50,200,5),f=new r.PosArray,n=0;n<o.length;n+=2)f.emplaceBack(o[n],o[n+1]);var l=new Buffer(f.serialize(),r.PosArray.serialize(),Buffer.BufferType.VERTEX),s=new VertexArrayObject;s.bind(t,u,l),t.uniform4f(u.u_color,1,1,1,1);for(var b=e.getTile(a).tileSize,d=EXTENT/(Math.pow(2,r.transform.zoom-a.z)*b),g=[[-1,-1],[-1,1],[1,-1],[1,1]],m=0;m<g.length;m++){var x=g[m];t.uniformMatrix4fv(u.u_matrix,!1,mat4.translate([],i,[d*x[0],d*x[1],0])),t.drawArrays(t.LINES,0,l.length)}t.uniform4f(u.u_color,0,0,0,1),t.uniformMatrix4fv(u.u_matrix,!1,i),t.drawArrays(t.LINES,0,l.length)}var textVertices=require("../lib/debugtext"),browser=require("../util/browser"),mat4=require("gl-matrix").mat4,EXTENT=require("../data/bucket").EXTENT,Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object");module.exports=drawDebug;
},{"../data/bucket":2,"../data/buffer":8,"../lib/debugtext":17,"../util/browser":105,"./vertex_array_object":34,"gl-matrix":150}],24:[function(require,module,exports){
"use strict";function draw(e,t,r,i){if(0!==r.paint["fill-opacity"]){var a=e.gl;a.disable(a.STENCIL_TEST),e.depthMask(!0);var s=new ExtrusionTexture(a,e,r);s.bindFramebuffer(),a.clear(a.COLOR_BUFFER_BIT|a.DEPTH_BUFFER_BIT);for(var u=0;u<i.length;u++)drawExtrusion(e,t,r,i[u]);s.unbindFramebuffer(),s.renderToMap()}}function ExtrusionTexture(e,t,r){this.gl=e,this.width=t.width,this.height=t.height,this.painter=t,this.layer=r,this.texture=null,this.fbo=null,this.fbos=this.painter.preFbos[this.width]&&this.painter.preFbos[this.width][this.height]}function drawExtrusion(e,t,r,i){var a=t.getTile(i),s=a.getBucket(r);if(s){var u=s.bufferGroups.fillextrusion;if(u&&!e.isOpaquePass){var f=e.gl,n=r.paint["fill-pattern"],h=s.paintAttributes.fillextrusion[r.id],o=e.useProgram(n?"fillExtrudePattern":"fillExtrude",h.defines,h.vertexPragmas,h.fragmentPragmas);n&&setPattern(n,a,i,e,o,!0),setMatrix(o,e,i,a,r),setLight(o,e),s.setUniforms(f,"fillextrusion",o,r,{zoom:e.transform.zoom});for(var E=0;E<u.length;E++){var T=u[E];T.vaos[r.id].bind(f,o,T.layoutVertexBuffer,T.elementBuffer,T.paintVertexBuffers[r.id]),f.drawElements(f.TRIANGLES,3*T.elementBuffer.length,f.UNSIGNED_SHORT,0)}}}}function setMatrix(e,t,r,i,a){var s=Math.pow(2,t.transform.zoom)/5e4;t.gl.uniformMatrix4fv(e.u_matrix,!1,mat4.scale(mat4.create(),t.translatePosMatrix(r.posMatrix,i,a.paint["fill-translate"],a.paint["fill-translate-anchor"]),[1,1,s,1]))}function setLight(e,t){var r=t.gl,i=t.style.light,a=i.calculated.position,s=[a.x,a.y,a.z],u=mat3.create();"viewport"===i.calculated.anchor&&mat3.fromRotation(u,-t.transform.angle),vec3.transformMat3(s,s,u),r.uniform3fv(e.u_lightpos,s),r.uniform1f(e.u_lightintensity,i.calculated.intensity),r.uniform3fv(e.u_lightcolor,i.calculated.color.slice(0,3))}var mat3=require("gl-matrix").mat3,mat4=require("gl-matrix").mat4,vec3=require("gl-matrix").vec3,Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),StructArrayType=require("../util/struct_array"),setPattern=require("./set_pattern");module.exports=draw,ExtrusionTexture.prototype.bindFramebuffer=function(){var e=this.gl;if(this.texture=this.painter.getViewportTexture(this.width,this.height),e.activeTexture(e.TEXTURE1),this.texture?e.bindTexture(e.TEXTURE_2D,this.texture):(this.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,this.width,this.height,0,e.RGBA,e.UNSIGNED_BYTE,null),this.texture.width=this.width,this.texture.height=this.height),this.fbos)this.fbo=this.fbos.pop(),e.bindFramebuffer(e.FRAMEBUFFER,this.fbo),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,this.texture,0);else{this.fbo=e.createFramebuffer();var t=e.createRenderbuffer(),r=e.createRenderbuffer();e.bindRenderbuffer(e.RENDERBUFFER,t),e.bindRenderbuffer(e.RENDERBUFFER,r),e.renderbufferStorage(e.RENDERBUFFER,e.RGBA4,this.width,this.height),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_COMPONENT16,this.width,this.height),e.bindFramebuffer(e.FRAMEBUFFER,this.fbo),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.RENDERBUFFER,t),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.RENDERBUFFER,r),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,this.texture,0)}},ExtrusionTexture.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)},ExtrusionTexture.prototype.TextureBoundsArray=new StructArrayType({members:[{name:"a_pos",type:"Int16",components:2}]}),ExtrusionTexture.prototype.renderToMap=function(){var e=this.gl,t=this.painter,r=t.useProgram("fillExtrudeTexture");e.activeTexture(e.TEXTURE0),e.bindTexture(e.TEXTURE_2D,this.texture),e.uniform1f(r.u_opacity,this.layer.paint["fill-opacity"]),e.uniform1i(r.u_texture,1),e.uniformMatrix4fv(r.u_matrix,!1,mat4.ortho(mat4.create(),0,t.width,t.height,0,0,1)),e.disable(e.DEPTH_TEST),e.uniform1i(r.u_xdim,t.width),e.uniform1i(r.u_ydim,t.height);var i=new this.TextureBoundsArray;i.emplaceBack(0,0),i.emplaceBack(t.width,0),i.emplaceBack(0,t.height),i.emplaceBack(t.width,t.height);var a=new Buffer(i.serialize(),this.TextureBoundsArray.serialize(),Buffer.BufferType.VERTEX),s=new VertexArrayObject;s.bind(e,r,a),e.drawArrays(e.TRIANGLE_STRIP,0,4),e.enable(e.DEPTH_TEST)};
},{"../data/buffer":8,"../util/struct_array":120,"./set_pattern":33,"./vertex_array_object":34,"gl-matrix":150}],25:[function(require,module,exports){
"use strict";function draw(t,e,r,a){var i=t.gl;i.enable(i.STENCIL_TEST);var l=!r.paint["fill-pattern"]&&r.isPaintValueFeatureConstant("fill-color")&&r.isPaintValueFeatureConstant("fill-opacity")&&1===r.paint["fill-color"][3]&&1===r.paint["fill-opacity"];if(t.isOpaquePass===l){t.setDepthSublayer(1);for(var n=0;n<a.length;n++)drawFill(t,e,r,a[n])}if(!t.isOpaquePass&&r.paint["fill-antialias"]){t.lineWidth(2),t.depthMask(!1),t.setDepthSublayer(r.getPaintProperty("fill-outline-color")?2:0);for(var f=0;f<a.length;f++)drawStroke(t,e,r,a[f])}}function drawFill(t,e,r,a){var i=e.getTile(a),l=i.getBucket(r);if(l){var n=l.bufferGroups.fill;if(n){var f,o=t.gl,s=r.paint["fill-pattern"];if(s)f=t.useProgram("fillPattern"),setPattern(s,i,a,t,f,!1),o.uniform1f(f.u_opacity,r.paint["fill-opacity"]),o.activeTexture(o.TEXTURE0),t.spriteAtlas.bind(o,!0);else{var u=l.paintAttributes.fill[r.id];f=t.useProgram("fill",u.defines,u.vertexPragmas,u.fragmentPragmas),l.setUniforms(o,"fill",f,r,{zoom:t.transform.zoom})}o.uniformMatrix4fv(f.u_matrix,!1,t.translatePosMatrix(a.posMatrix,i,r.paint["fill-translate"],r.paint["fill-translate-anchor"])),t.enableTileClippingMask(a);for(var p=0;p<n.length;p++){var g=n[p];g.vaos[r.id].bind(o,f,g.layoutVertexBuffer,g.elementBuffer,g.paintVertexBuffers[r.id]),o.drawElements(o.TRIANGLES,g.elementBuffer.length,o.UNSIGNED_SHORT,0)}}}}function drawStroke(t,e,r,a){var i=e.getTile(a),l=i.getBucket(r);if(l){var n=l.bufferGroups.fill;if(n){var f,o=t.gl,s=r.paint["fill-pattern"],u=r.getPaintProperty("fill-outline-color");if(s&&!u)f=t.useProgram("fillOutlinePattern"),o.uniform2f(f.u_world,o.drawingBufferWidth,o.drawingBufferHeight);else{var p=l.paintAttributes.fill[r.id];f=t.useProgram("fillOutline",p.defines,p.vertexPragmas,p.fragmentPragmas),o.uniform2f(f.u_world,o.drawingBufferWidth,o.drawingBufferHeight),l.setUniforms(o,"fill",f,r,{zoom:t.transform.zoom})}o.uniform1f(f.u_opacity,r.paint["fill-opacity"]),o.uniformMatrix4fv(f.u_matrix,!1,t.translatePosMatrix(a.posMatrix,i,r.paint["fill-translate"],r.paint["fill-translate-anchor"])),s&&setPattern(s,i,a,t,f,!1),t.enableTileClippingMask(a);for(var g=0;g<n.length;g++){var m=n[g];m.secondVaos[r.id].bind(o,f,m.layoutVertexBuffer,m.elementBuffer2,m.paintVertexBuffers[r.id]),o.drawElements(o.LINES,2*m.elementBuffer2.length,o.UNSIGNED_SHORT,0)}}}}var setPattern=require("./set_pattern");module.exports=draw;
},{"./set_pattern":33}],26:[function(require,module,exports){
"use strict";function drawLineTile(i,e,t,r){var n=e.getTile(r),a=n.getBucket(t);if(a){var o=a.bufferGroups.line;if(o){var l=i.gl,f=t.paint["line-dasharray"],s=t.paint["line-pattern"],u=a.paintAttributes.line[t.id],m=i.useProgram(f?"lineSDF":s?"linePattern":"line",u.defines,u.vertexPragmas,u.fragmentPragmas);s||l.uniform4fv(m.u_color,t.paint["line-color"]);var _,p,v,d;if(f)_=i.lineAtlas.getDash(f.from,"round"===t.layout["line-cap"]),p=i.lineAtlas.getDash(f.to,"round"===t.layout["line-cap"]),l.uniform1i(m.u_image,0),l.activeTexture(l.TEXTURE0),i.lineAtlas.bind(l),l.uniform1f(m.u_tex_y_a,_.y),l.uniform1f(m.u_tex_y_b,p.y),l.uniform1f(m.u_mix,f.t);else if(s){if(v=i.spriteAtlas.getPosition(s.from,!0),d=i.spriteAtlas.getPosition(s.to,!0),!v||!d)return;l.uniform1i(m.u_image,0),l.activeTexture(l.TEXTURE0),i.spriteAtlas.bind(l,!0),l.uniform2fv(m.u_pattern_tl_a,v.tl),l.uniform2fv(m.u_pattern_br_a,v.br),l.uniform2fv(m.u_pattern_tl_b,d.tl),l.uniform2fv(m.u_pattern_br_b,d.br),l.uniform1f(m.u_fade,s.t)}var T=1/browser.devicePixelRatio;l.uniform1f(m.u_linewidth,t.paint["line-width"]/2),l.uniform1f(m.u_gapwidth,t.paint["line-gap-width"]/2),l.uniform1f(m.u_antialiasing,T/2),l.uniform1f(m.u_blur,t.paint["line-blur"]+T),l.uniform1f(m.u_opacity,t.paint["line-opacity"]),l.uniformMatrix2fv(m.u_antialiasingmatrix,!1,i.transform.lineAntialiasingMatrix),l.uniform1f(m.u_offset,-t.paint["line-offset"]),l.uniform1f(m.u_extra,i.transform.lineStretch),i.enableTileClippingMask(r);var g=i.translatePosMatrix(r.posMatrix,n,t.paint["line-translate"],t.paint["line-translate-anchor"]);if(l.uniformMatrix4fv(m.u_matrix,!1,g),f){var x=_.width*f.fromScale,b=p.width*f.toScale,c=[1/pixelsToTileUnits(n,x,i.transform.tileZoom),-_.height/2],h=[1/pixelsToTileUnits(n,b,i.transform.tileZoom),-p.height/2],w=i.lineAtlas.width/(256*Math.min(x,b)*browser.devicePixelRatio)/2;l.uniform2fv(m.u_patternscale_a,c),l.uniform2fv(m.u_patternscale_b,h),l.uniform1f(m.u_sdfgamma,w)}else s&&(l.uniform2fv(m.u_pattern_size_a,[pixelsToTileUnits(n,v.size[0]*s.fromScale,i.transform.tileZoom),d.size[1]]),l.uniform2fv(m.u_pattern_size_b,[pixelsToTileUnits(n,d.size[0]*s.toScale,i.transform.tileZoom),d.size[1]]));l.uniform1f(m.u_ratio,1/pixelsToTileUnits(n,1,i.transform.zoom)),a.setUniforms(l,"line",m,t,{zoom:i.transform.zoom});for(var S=0;S<o.length;S++){var y=o[S];y.vaos[t.id].bind(l,m,y.layoutVertexBuffer,y.elementBuffer,y.paintVertexBuffers[t.id]),l.drawElements(l.TRIANGLES,3*y.elementBuffer.length,l.UNSIGNED_SHORT,0)}}}}var browser=require("../util/browser"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=function(i,e,t,r){if(!i.isOpaquePass){i.setDepthSublayer(0),i.depthMask(!1);var n=i.gl;if(n.enable(n.STENCIL_TEST),!(t.paint["line-width"]<=0))for(var a=0;a<r.length;a++)drawLineTile(i,e,t,r[a])}};
},{"../source/pixels_to_tile_units":40,"../util/browser":105}],27:[function(require,module,exports){
"use strict";function drawRaster(r,t,e,a){if(!r.isOpaquePass){var o=r.gl;o.enable(o.DEPTH_TEST),r.depthMask(!0),o.depthFunc(o.LESS);for(var n=a.length&&a[0].z,i=0;i<a.length;i++){var u=a[i];r.setDepthSublayer(u.z-n),drawRasterTile(r,t,e,u)}o.depthFunc(o.LEQUAL)}}function drawRasterTile(r,t,e,a){var o=r.gl;o.disable(o.STENCIL_TEST);var n=t.getTile(a),i=r.transform.calculatePosMatrix(a,t.getSource().maxzoom),u=r.useProgram("raster");o.uniformMatrix4fv(u.u_matrix,!1,i),o.uniform1f(u.u_brightness_low,e.paint["raster-brightness-min"]),o.uniform1f(u.u_brightness_high,e.paint["raster-brightness-max"]),o.uniform1f(u.u_saturation_factor,saturationFactor(e.paint["raster-saturation"])),o.uniform1f(u.u_contrast_factor,contrastFactor(e.paint["raster-contrast"])),o.uniform3fv(u.u_spin_weights,spinWeights(e.paint["raster-hue-rotate"]));var s,c,f=n.sourceCache&&n.sourceCache.findLoadedParent(a,0,{}),d=getOpacities(n,f,e,r.transform);o.activeTexture(o.TEXTURE0),o.bindTexture(o.TEXTURE_2D,n.texture),o.activeTexture(o.TEXTURE1),f?(o.bindTexture(o.TEXTURE_2D,f.texture),s=Math.pow(2,f.coord.z-n.coord.z),c=[n.coord.x*s%1,n.coord.y*s%1]):o.bindTexture(o.TEXTURE_2D,n.texture),o.uniform2fv(u.u_tl_parent,c||[0,0]),o.uniform1f(u.u_scale_parent,s||1),o.uniform1f(u.u_buffer_scale,1),o.uniform1f(u.u_opacity0,d[0]),o.uniform1f(u.u_opacity1,d[1]),o.uniform1i(u.u_image0,0),o.uniform1i(u.u_image1,1);var m=n.boundsBuffer||r.rasterBoundsBuffer,p=n.boundsVAO||r.rasterBoundsVAO;p.bind(o,u,m),o.drawArrays(o.TRIANGLE_STRIP,0,m.length)}function spinWeights(r){r*=Math.PI/180;var t=Math.sin(r),e=Math.cos(r);return[(2*e+1)/3,(-Math.sqrt(3)*t-e+1)/3,(Math.sqrt(3)*t-e+1)/3]}function contrastFactor(r){return r>0?1/(1-r):1+r}function saturationFactor(r){return r>0?1-1/(1.001-r):-r}function getOpacities(r,t,e,a){var o=[1,0],n=e.paint["raster-fade-duration"];if(r.sourceCache&&n>0){var i=Date.now(),u=(i-r.timeAdded)/n,s=t?(i-t.timeAdded)/n:-1,c=r.sourceCache.getSource(),f=a.coveringZoomLevel({tileSize:c.tileSize,roundZoom:c.roundZoom}),d=!t||Math.abs(t.coord.z-f)>Math.abs(r.coord.z-f);o[0]=util.clamp(d?u:1-s,0,1),o[1]=t?1-o[0]:0}var m=e.paint["raster-opacity"];return o[0]*=m,o[1]*=m,o}var util=require("../util/util"),StructArrayType=require("../util/struct_array");module.exports=drawRaster,drawRaster.RasterBoundsArray=new StructArrayType({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]});
},{"../util/struct_array":120,"../util/util":122}],28:[function(require,module,exports){
"use strict";function drawSymbols(t,e,i,o){if(!t.isOpaquePass){var a=!(i.layout["text-allow-overlap"]||i.layout["icon-allow-overlap"]||i.layout["text-ignore-placement"]||i.layout["icon-ignore-placement"]),r=t.gl;a?r.disable(r.STENCIL_TEST):r.enable(r.STENCIL_TEST),drawLayerSymbols(t,e,i,o,!1,i.paint["icon-translate"],i.paint["icon-translate-anchor"],i.layout["icon-rotation-alignment"],i.layout["icon-rotation-alignment"],i.layout["icon-size"],i.paint["icon-halo-width"],i.paint["icon-halo-color"],i.paint["icon-halo-blur"],i.paint["icon-opacity"],i.paint["icon-color"]),drawLayerSymbols(t,e,i,o,!0,i.paint["text-translate"],i.paint["text-translate-anchor"],i.layout["text-rotation-alignment"],i.layout["text-pitch-alignment"],i.layout["text-size"],i.paint["text-halo-width"],i.paint["text-halo-color"],i.paint["text-halo-blur"],i.paint["text-opacity"],i.paint["text-color"]),e.map.showCollisionBoxes&&drawCollisionDebug(t,e,i,o)}}function drawLayerSymbols(t,e,i,o,a,r,n,l,u,s,f,m,p,c,h){var d=t.gl;t.setDepthSublayer(0),t.depthMask(!1),"map"===u?d.enable(d.DEPTH_TEST):d.disable(d.DEPTH_TEST);for(var _=0;_<o.length;_++){var x=e.getTile(o[_]),g=x.getBucket(i);if(g){var T=g.bufferGroups,y=a?T.glyph:T.icon;y.length&&(t.enableTileClippingMask(o[_]),drawSymbol(t,i,o[_].posMatrix,x,g,y,a,a||g.sdfIcons,!a&&g.iconsNeedLinear,a?g.adjustedTextSize:g.adjustedIconSize,g.fontstack,r,n,l,u,s,f,m,p,c,h))}}d.enable(d.DEPTH_TEST)}function drawSymbol(t,e,i,o,a,r,n,l,u,s,f,m,p,c,h,d,_,x,g,T,y){var b,v,S,w=t.gl,E=t.transform,I="map"===c,N="map"===h,L=n?24:1,B=d/L;if(N?(v=pixelsToTileUnits(o,1,t.transform.zoom)*B,S=1/Math.cos(E._pitch),b=[v,v]):(v=t.transform.altitude*B,S=1,b=[E.pixelsToGLUnits[0]*v,E.pixelsToGLUnits[1]*v]),n||t.style.sprite.loaded()){var R=t.useProgram(l?"symbolSDF":"symbolIcon");if(w.uniformMatrix4fv(R.u_matrix,!1,t.translatePosMatrix(i,o,m,p)),w.uniform1i(R.u_rotate_with_map,I),w.uniform1i(R.u_pitch_with_map,N),w.uniform2fv(R.u_extrude_scale,b),w.activeTexture(w.TEXTURE0),w.uniform1i(R.u_texture,0),n){var z=f&&t.glyphSource.getGlyphAtlas(f);if(!z)return;z.updateTexture(w),w.uniform2f(R.u_texsize,z.width/4,z.height/4)}else{var D=t.options.rotating||t.options.zooming,G=1!==B||browser.devicePixelRatio!==t.spriteAtlas.pixelRatio||u,M=N||t.transform.pitch;t.spriteAtlas.bind(w,l||D||G||M),w.uniform2f(R.u_texsize,t.spriteAtlas.width/4,t.spriteAtlas.height/4)}var P=Math.log(d/s)/Math.LN2||0;w.uniform1f(R.u_zoom,10*(t.transform.zoom-P)),w.activeTexture(w.TEXTURE1),t.frameHistory.bind(w),w.uniform1i(R.u_fadetexture,1);var U;if(l){var A=8,H=1.19,C=6,k=.105*L/d/browser.devicePixelRatio;if(_){w.uniform1f(R.u_gamma,(g*H/B/A+k)*S),w.uniform4fv(R.u_color,x),w.uniform1f(R.u_opacity,T),w.uniform1f(R.u_buffer,(C-_/B)/A);for(var q=0;q<r.length;q++)U=r[q],U.vaos[e.id].bind(w,R,U.layoutVertexBuffer,U.elementBuffer),w.drawElements(w.TRIANGLES,3*U.elementBuffer.length,w.UNSIGNED_SHORT,0)}w.uniform1f(R.u_gamma,k*S),w.uniform4fv(R.u_color,y),w.uniform1f(R.u_opacity,T),w.uniform1f(R.u_buffer,.75),w.uniform1f(R.u_pitch,E.pitch/360*2*Math.PI),w.uniform1f(R.u_bearing,E.bearing/360*2*Math.PI),w.uniform1f(R.u_aspect_ratio,E.width/E.height);for(var O=0;O<r.length;O++)U=r[O],U.vaos[e.id].bind(w,R,U.layoutVertexBuffer,U.elementBuffer),w.drawElements(w.TRIANGLES,3*U.elementBuffer.length,w.UNSIGNED_SHORT,0)}else{w.uniform1f(R.u_opacity,T);for(var V=0;V<r.length;V++)U=r[V],U.vaos[e.id].bind(w,R,U.layoutVertexBuffer,U.elementBuffer),w.drawElements(w.TRIANGLES,3*U.elementBuffer.length,w.UNSIGNED_SHORT,0)}}}var browser=require("../util/browser"),drawCollisionDebug=require("./draw_collision_debug"),pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=drawSymbols;
},{"../source/pixels_to_tile_units":40,"../util/browser":105,"./draw_collision_debug":22}],29:[function(require,module,exports){
"use strict";function FrameHistory(){this.changeTimes=new Float64Array(256),this.changeOpacities=new Uint8Array(256),this.opacities=new Uint8ClampedArray(256),this.array=new Uint8Array(this.opacities.buffer),this.fadeDuration=300,this.previousZoom=0,this.firstFrame=!0}module.exports=FrameHistory,FrameHistory.prototype.record=function(t){var i=Date.now();this.firstFrame&&(i=0,this.firstFrame=!1),t=Math.floor(10*t);var e;if(t<this.previousZoom)for(e=t+1;e<=this.previousZoom;e++)this.changeTimes[e]=i,this.changeOpacities[e]=this.opacities[e];else for(e=t;e>this.previousZoom;e--)this.changeTimes[e]=i,this.changeOpacities[e]=this.opacities[e];for(e=0;e<256;e++){var s=i-this.changeTimes[e],r=s/this.fadeDuration*255;e<=t?this.opacities[e]=this.changeOpacities[e]+r:this.opacities[e]=this.changeOpacities[e]-r}this.changed=!0,this.previousZoom=t},FrameHistory.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))};
},{}],30:[function(require,module,exports){
"use strict";function LineAtlas(t,i){this.width=t,this.height=i,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}}var util=require("../util/util");module.exports=LineAtlas,LineAtlas.prototype.setSprite=function(t){this.sprite=t},LineAtlas.prototype.getDash=function(t,i){var e=t.join(",")+i;return this.positions[e]||(this.positions[e]=this.addDash(t,i)),this.positions[e]},LineAtlas.prototype.addDash=function(t,i){var e=i?7:0,h=2*e+1,s=128;if(this.nextRow+h>this.height)return util.warnOnce("LineAtlas out of space"),null;for(var a=0,r=0;r<t.length;r++)a+=t[r];for(var n=this.width/a,E=n/2,o=t.length%2===1,T=-e;T<=e;T++)for(var R=this.nextRow+e+T,u=this.width*R,d=o?-t[t.length-1]:0,l=t[0],x=1,A=0;A<this.width;A++){for(;l<A/n;)d=l,l+=t[x],o&&x===t.length-1&&(l+=t[0]),x++;var _,p=Math.abs(A-d*n),g=Math.abs(A-l*n),w=Math.min(p,g),D=x%2===1;if(i){var U=e?T/e*(E+1):0;if(D){var f=E-Math.abs(U);_=Math.sqrt(w*w+f*f)}else _=E-Math.sqrt(w*w+U*U)}else _=(D?1:-1)*w;this.data[3+4*(u+A)]=Math.max(0,Math.min(255,_+s))}var X={y:(this.nextRow+e+.5)/this.height,height:2*e/this.height,width:a};return this.nextRow+=h,this.dirty=!0,X},LineAtlas.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.RGBA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,this.width,this.height,0,t.RGBA,t.UNSIGNED_BYTE,this.data))};
},{"../util/util":122}],31:[function(require,module,exports){
"use strict";function Painter(e,t){this.gl=e,this.transform=t,this.reusableTextures={},this.preFbos={},this.frameHistory=new FrameHistory,this.setup(),this.numSublayers=SourceCache.maxUnderzooming+SourceCache.maxOverzooming+1,this.depthEpsilon=1/Math.pow(2,16),this.lineWidthRange=e.getParameter(e.ALIASED_LINE_WIDTH_RANGE)}var browser=require("../util/browser"),mat4=require("gl-matrix").mat4,FrameHistory=require("./frame_history"),SourceCache=require("../source/source_cache"),EXTENT=require("../data/bucket").EXTENT,pixelsToTileUnits=require("../source/pixels_to_tile_units"),util=require("../util/util"),StructArrayType=require("../util/struct_array"),Buffer=require("../data/buffer"),VertexArrayObject=require("./vertex_array_object"),RasterBoundsArray=require("./draw_raster").RasterBoundsArray,createUniformPragmas=require("./create_uniform_pragmas");module.exports=Painter,util.extend(Painter.prototype,require("./painter/use_program")),Painter.prototype.resize=function(e,t){var r=this.gl;this.width=e*browser.devicePixelRatio,this.height=t*browser.devicePixelRatio,r.viewport(0,0,this.width,this.height)},Painter.prototype.setup=function(){var e=this.gl;e.verbose=!0,e.enable(e.BLEND),e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA),e.enable(e.STENCIL_TEST),e.enable(e.DEPTH_TEST),e.depthFunc(e.LEQUAL),this._depthMask=!1,e.depthMask(!1);var t=this.PosArray=new StructArrayType({members:[{name:"a_pos",type:"Int16",components:2}]}),r=new t;r.emplaceBack(0,0),r.emplaceBack(EXTENT,0),r.emplaceBack(0,EXTENT),r.emplaceBack(EXTENT,EXTENT),this.tileExtentBuffer=new Buffer(r.serialize(),t.serialize(),Buffer.BufferType.VERTEX),this.tileExtentVAO=new VertexArrayObject,this.tileExtentPatternVAO=new VertexArrayObject;var i=new t;i.emplaceBack(0,0),i.emplaceBack(EXTENT,0),i.emplaceBack(EXTENT,EXTENT),i.emplaceBack(0,EXTENT),i.emplaceBack(0,0),this.debugBuffer=new Buffer(i.serialize(),t.serialize(),Buffer.BufferType.VERTEX),this.debugVAO=new VertexArrayObject;var s=new RasterBoundsArray;s.emplaceBack(0,0,0,0),s.emplaceBack(EXTENT,0,32767,0),s.emplaceBack(0,EXTENT,0,32767),s.emplaceBack(EXTENT,EXTENT,32767,32767),this.rasterBoundsBuffer=new Buffer(s.serialize(),RasterBoundsArray.serialize(),Buffer.BufferType.VERTEX),this.rasterBoundsVAO=new VertexArrayObject},Painter.prototype.clearColor=function(){var e=this.gl;e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)},Painter.prototype.clearStencil=function(){var e=this.gl;e.clearStencil(0),e.stencilMask(255),e.clear(e.STENCIL_BUFFER_BIT)},Painter.prototype.clearDepth=function(){var e=this.gl;e.clearDepth(1),this.depthMask(!0),e.clear(e.DEPTH_BUFFER_BIT)},Painter.prototype._renderTileClippingMasks=function(e){var t=this.gl;t.colorMask(!1,!1,!1,!1),this.depthMask(!1),t.disable(t.DEPTH_TEST),t.enable(t.STENCIL_TEST),t.stencilMask(248),t.stencilOp(t.KEEP,t.KEEP,t.REPLACE);var r=1;this._tileClippingMaskIDs={};for(var i=0;i<e.length;i++){var s=e[i],a=this._tileClippingMaskIDs[s.id]=r++<<3;t.stencilFunc(t.ALWAYS,a,248);var n=createUniformPragmas([{name:"u_color",components:4},{name:"u_opacity",components:1}]),o=this.useProgram("fill",[],n,n);t.uniformMatrix4fv(o.u_matrix,!1,s.posMatrix),this.tileExtentVAO.bind(t,o,this.tileExtentBuffer),t.drawArrays(t.TRIANGLE_STRIP,0,this.tileExtentBuffer.length)}t.stencilMask(0),t.colorMask(!0,!0,!0,!0),this.depthMask(!0),t.enable(t.DEPTH_TEST)},Painter.prototype.enableTileClippingMask=function(e){var t=this.gl;t.stencilFunc(t.EQUAL,this._tileClippingMaskIDs[e.id],248)},Painter.prototype.prepareBuffers=function(){},Painter.prototype.bindDefaultFramebuffer=function(){var e=this.gl;e.bindFramebuffer(e.FRAMEBUFFER,null)};var draw={symbol:require("./draw_symbol"),circle:require("./draw_circle"),line:require("./draw_line"),fill:require("./draw_fill"),extrusion:require("./draw_extrusion"),raster:require("./draw_raster"),background:require("./draw_background"),debug:require("./draw_debug")};Painter.prototype.render=function(e,t){this.style=e,this.options=t,this.lineAtlas=e.lineAtlas,this.spriteAtlas=e.spriteAtlas,this.spriteAtlas.setSprite(e.sprite),this.glyphSource=e.glyphSource,this.frameHistory.record(this.transform.zoom),this.prepareBuffers(),this.clearColor(),this.clearDepth(),this.showOverdrawInspector(t.showOverdrawInspector),this.depthRange=(e._order.length+2)*this.numSublayers*this.depthEpsilon,this.renderPass({isOpaquePass:!0}),this.renderPass({isOpaquePass:!1})},Painter.prototype.renderPass=function(e){var t=this.style._groups,r=e.isOpaquePass;this.currentLayer=r?this.style._order.length:-1;for(var i=0;i<t.length;i++){var s,a=t[r?t.length-1-i:i],n=this.style.sourceCaches[a.source],o=[];if(n){for(o=n.getVisibleCoordinates(),s=0;s<o.length;s++)o[s].posMatrix=this.transform.calculatePosMatrix(o[s],n.getSource().maxzoom);this.clearStencil(),n.prepare&&n.prepare(),n.getSource().isTileClipped&&this._renderTileClippingMasks(o)}for(r?(this._showOverdrawInspector||this.gl.disable(this.gl.BLEND),this.isOpaquePass=!0):(this.gl.enable(this.gl.BLEND),this.isOpaquePass=!1,o.reverse()),s=0;s<a.length;s++){var l=a[r?a.length-1-s:s];this.currentLayer+=r?-1:1,this.renderLayer(this,n,l,o)}n&&draw.debug(this,n,o)}},Painter.prototype.depthMask=function(e){e!==this._depthMask&&(this._depthMask=e,this.gl.depthMask(e))},Painter.prototype.renderLayer=function(e,t,r,i){if(!r.isHidden(this.transform.zoom)&&("background"===r.type||i.length)){this.id=r.id;var s=r.type;"fill"!==s||r.isPaintValueFeatureConstant("fill-extrude-height")&&r.isPaintValueZoomConstant("fill-extrude-height")&&0===r.getPaintValue("fill-extrude-height")||(s="extrusion"),draw[s](e,t,r,i)}},Painter.prototype.setDepthSublayer=function(e){var t=1-((1+this.currentLayer)*this.numSublayers+e)*this.depthEpsilon,r=t-1+this.depthRange;this.gl.depthRange(r,t)},Painter.prototype.translatePosMatrix=function(e,t,r,i){if(!r[0]&&!r[1])return e;if("viewport"===i){var s=Math.sin(-this.transform.angle),a=Math.cos(-this.transform.angle);r=[r[0]*a-r[1]*s,r[0]*s+r[1]*a]}var n=[pixelsToTileUnits(t,r[0],this.transform.zoom),pixelsToTileUnits(t,r[1],this.transform.zoom),0],o=new Float32Array(16);return mat4.translate(o,e,n),o},Painter.prototype.saveTileTexture=function(e){var t=this.reusableTextures[e.size];t?t.push(e):this.reusableTextures[e.size]=[e]},Painter.prototype.saveViewportTexture=function(e){this.reusableTextures.viewport||(this.reusableTextures.viewport={}),this.reusableTextures.viewport.texture=e},Painter.prototype.getTileTexture=function(e,t){var r=this.reusableTextures[e];if(r){var i=r[t||e];return i&&i.length>0?i.pop():null}},Painter.prototype.getViewportTexture=function(e,t){if(this.reusableTextures.viewport){var r=this.reusableTextures.viewport.texture;return r.width===e&&r.height===t?r:(this.gl.deleteTexture(r),void(this.reusableTextures.viewport.texture=null))}},Painter.prototype.lineWidth=function(e){this.gl.lineWidth(util.clamp(e,this.lineWidthRange[0],this.lineWidthRange[1]))},Painter.prototype.showOverdrawInspector=function(e){if(e||this._showOverdrawInspector){this._showOverdrawInspector=e;var t=this.gl;if(e){t.blendFunc(t.CONSTANT_COLOR,t.ONE);var r=8,i=1/r;t.blendColor(i,i,i,0),t.clearColor(0,0,0,1),t.clear(t.COLOR_BUFFER_BIT)}else t.blendFunc(t.ONE,t.ONE_MINUS_SRC_ALPHA)}};
},{"../data/bucket":2,"../data/buffer":8,"../source/pixels_to_tile_units":40,"../source/source_cache":44,"../util/browser":105,"../util/struct_array":120,"../util/util":122,"./create_uniform_pragmas":19,"./draw_background":20,"./draw_circle":21,"./draw_debug":23,"./draw_extrusion":24,"./draw_fill":25,"./draw_line":26,"./draw_raster":27,"./draw_symbol":28,"./frame_history":29,"./painter/use_program":32,"./vertex_array_object":34,"gl-matrix":150}],32:[function(require,module,exports){
"use strict";function applyPragmas(r,e){return r.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(r,a,t,i,o){return e[a][o].replace(/{type}/g,i).replace(/{precision}/g,t)})}var util=require("../../util/util"),shaders=require("mapbox-gl-shaders"),utilSource=shaders.util;module.exports._createProgram=function(r,e,a,t){for(var i=this.gl,o=i.createProgram(),c=shaders[r],n="#define MAPBOX_GL_JS;\n",s=0;s<e.length;s++)n+="#define "+e[s]+";\n";var m=i.createShader(i.FRAGMENT_SHADER);i.shaderSource(m,applyPragmas(n+c.fragmentSource,t)),i.compileShader(m),i.attachShader(o,m);var g=i.createShader(i.VERTEX_SHADER);i.shaderSource(g,applyPragmas(n+utilSource+c.vertexSource,a)),i.compileShader(g),i.attachShader(o,g),i.linkProgram(o);for(var u={},h=i.getProgramParameter(o,i.ACTIVE_ATTRIBUTES),d=0;d<h;d++){var l=i.getActiveAttrib(o,d);u[l.name]=i.getAttribLocation(o,l.name)}for(var p={},P=i.getProgramParameter(o,i.ACTIVE_UNIFORMS),S=0;S<P;S++){var f=i.getActiveUniform(o,S);p[f.name]=i.getUniformLocation(o,f.name)}return util.extend({program:o,definition:c,attributes:u,numAttributes:h},u,p)},module.exports._createProgramCached=function(r,e,a,t){this.cache=this.cache||{};var i=JSON.stringify({name:r,defines:e,vertexPragmas:a,fragmentPragmas:t});return this.cache[i]||(this.cache[i]=this._createProgram(r,e,a,t)),this.cache[i]},module.exports.useProgram=function(r,e,a,t){var i=this.gl;e=e||[],this._showOverdrawInspector&&(e=e.concat("OVERDRAW_INSPECTOR"));var o=this._createProgramCached(r,e,a,t),c=this.currentProgram;return c!==o&&(i.useProgram(o.program),this.currentProgram=o),o};
},{"../../util/util":122,"mapbox-gl-shaders":163}],33:[function(require,module,exports){
"use strict";function setPattern(t,o,r,i,e,_){var u=i.gl,f=i.spriteAtlas.getPosition(t.from,!0),n=i.spriteAtlas.getPosition(t.to,!0);if(f&&n){u.uniform1i(e.u_image,0),u.uniform2fv(e.u_pattern_tl_a,f.tl),u.uniform2fv(e.u_pattern_br_a,f.br),u.uniform2fv(e.u_pattern_tl_b,n.tl),u.uniform2fv(e.u_pattern_br_b,n.br),u.uniform1f(e.u_mix,t.t),u.uniform1f(e.u_tile_units_to_pixels,1/pixelsToTileUnits(o,1,i.transform.tileZoom)),u.uniform2fv(e.u_pattern_size_a,f.size),u.uniform2fv(e.u_pattern_size_b,n.size),u.uniform1f(e.u_scale_a,t.fromScale),u.uniform1f(e.u_scale_b,t.toScale);var a=o.tileSize*Math.pow(2,i.transform.tileZoom-o.coord.z),s=a*(o.coord.x+r.w*Math.pow(2,o.coord.z)),l=a*o.coord.y;u.uniform2f(e.u_pixel_coord_upper,s>>16,l>>16),u.uniform2f(e.u_pixel_coord_lower,65535&s,65535&l),_&&u.uniform1f(e.u_height_factor,-Math.pow(2,i.transform.tileZoom)/a>>3),u.activeTexture(u.TEXTURE0),i.spriteAtlas.bind(u,!0)}}var pixelsToTileUnits=require("../source/pixels_to_tile_units");module.exports=setPattern;
},{"../source/pixels_to_tile_units":40}],34:[function(require,module,exports){
"use strict";function VertexArrayObject(){this.boundProgram=null,this.boundVertexBuffer=null,this.boundVertexBuffer2=null,this.boundElementBuffer=null,this.vao=null}module.exports=VertexArrayObject,VertexArrayObject.prototype.bind=function(e,t,r,i,n){void 0===e.extVertexArrayObject&&(e.extVertexArrayObject=e.getExtension("OES_vertex_array_object"));var o=!this.vao||this.boundProgram!==t||this.boundVertexBuffer!==r||this.boundVertexBuffer2!==n||this.boundElementBuffer!==i;!e.extVertexArrayObject||o?(this.freshBind(e,t,r,i,n),this.gl=e):e.extVertexArrayObject.bindVertexArrayOES(this.vao)},VertexArrayObject.prototype.freshBind=function(e,t,r,i,n){var o,s=t.numAttributes;if(e.extVertexArrayObject)this.vao&&this.destroy(),this.vao=e.extVertexArrayObject.createVertexArrayOES(),e.extVertexArrayObject.bindVertexArrayOES(this.vao),o=0,this.boundProgram=t,this.boundVertexBuffer=r,this.boundVertexBuffer2=n,this.boundElementBuffer=i;else{o=e.currentNumAttributes||0;for(var b=s;b<o;b++)e.disableVertexAttribArray(b)}for(var u=o;u<s;u++)e.enableVertexAttribArray(u);r.bind(e),r.setVertexAttribPointers(e,t),n&&(n.bind(e),n.setVertexAttribPointers(e,t)),i&&i.bind(e),e.currentNumAttributes=s},VertexArrayObject.prototype.destroy=function(){this.vao&&(this.gl.extVertexArrayObject.deleteVertexArrayOES(this.vao),this.vao=null)};
},{}],35:[function(require,module,exports){
"use strict";function GeoJSONSource(t,e,i,o){e=e||{},this.id=t,this.dispatcher=i,this._data=e.data,void 0!==e.maxzoom&&(this.maxzoom=e.maxzoom),e.type&&(this.type=e.type);var r=EXTENT/this.tileSize;this.workerOptions=util.extend({source:this.id,cluster:e.cluster||!1,geojsonVtOptions:{buffer:(void 0!==e.buffer?e.buffer:128)*r,tolerance:(void 0!==e.tolerance?e.tolerance:.375)*r,extent:EXTENT,maxZoom:this.maxzoom},superclusterOptions:{maxZoom:Math.min(e.clusterMaxZoom,this.maxzoom-1)||this.maxzoom-1,extent:EXTENT,radius:(e.clusterRadius||50)*r,log:!1}},e.workerOptions),this.setEventedParent(o),this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?void this.fire("error",{error:t}):(this.fire("data",{dataType:"source"}),void this.fire("source.load"))}.bind(this))}function resolveURL(t){var e=window.document.createElement("a");return e.href=t,e.href}var Evented=require("../util/evented"),util=require("../util/util"),window=require("../util/window"),EXTENT=require("../data/bucket").EXTENT;module.exports=GeoJSONSource,GeoJSONSource.prototype=util.inherit(Evented,{type:"geojson",minzoom:0,maxzoom:18,tileSize:512,isTileClipped:!0,reparseOverscaled:!0,onAdd:function(t){this.map=t},setData:function(t){return this._data=t,this.fire("dataloading",{dataType:"source"}),this._updateWorkerData(function(t){return t?this.fire("error",{error:t}):void this.fire("data",{dataType:"source"})}.bind(this)),this},_updateWorkerData:function(t){var e=util.extend({},this.workerOptions),i=this._data;"string"==typeof i?e.url=resolveURL(i):e.data=JSON.stringify(i),this.workerID=this.dispatcher.send(this.type+".loadData",e,function(e){this._loaded=!0,t(e)}.bind(this))},loadTile:function(t,e){var i=t.coord.z>this.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,o={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:i,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("load tile",o,function(i,o){if(t.unloadVectorData(),!t.aborted)return i?e(i):(t.loadVectorData(o,this.map.painter),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(this)),e(null))}.bind(this),this.workerID)},abortTile:function(t){t.aborted=!0},unloadTile:function(t){t.unloadVectorData(),this.dispatcher.send("remove tile",{uid:t.uid,source:this.id},function(){},t.workerID)},serialize:function(){return{type:this.type,data:this._data}}});
},{"../data/bucket":2,"../util/evented":113,"../util/util":122,"../util/window":107}],36:[function(require,module,exports){
"use strict";function GeoJSONWorkerSource(e,r,t){t&&(this.loadGeoJSON=t),VectorTileWorkerSource.call(this,e,r)}var util=require("../util/util"),ajax=require("../util/ajax"),rewind=require("geojson-rewind"),GeoJSONWrapper=require("./geojson_wrapper"),vtpbf=require("vt-pbf"),supercluster=require("supercluster"),geojsonvt=require("geojson-vt"),VectorTileWorkerSource=require("./vector_tile_worker_source");module.exports=GeoJSONWorkerSource,GeoJSONWorkerSource.prototype=util.inherit(VectorTileWorkerSource,{_geoJSONIndexes:{},loadVectorData:function(e,r){var t=e.source,o=e.coord;if(!this._geoJSONIndexes[t])return r(null,null);var n=this._geoJSONIndexes[t].getTile(Math.min(o.z,e.maxZoom),o.x,o.y);if(!n)return r(null,null);var u=new GeoJSONWrapper(n.features);u.name="_geojsonTileLayer";var i=vtpbf({layers:{_geojsonTileLayer:u}});0===i.byteOffset&&i.byteLength===i.buffer.byteLength||(i=new Uint8Array(i)),u.rawData=i.buffer,r(null,u)},loadData:function(e,r){var t=function(t,o){return t?r(t):"object"!=typeof o?r(new Error("Input data is not a valid GeoJSON object.")):(rewind(o,!0),void this._indexData(o,e,function(t,o){return t?r(t):(this._geoJSONIndexes[e.source]=o,void r(null))}.bind(this)))}.bind(this);this.loadGeoJSON(e,t)},loadGeoJSON:function(e,r){if(e.url)ajax.getJSON(e.url,r);else{if("string"!=typeof e.data)return r(new Error("Input data is not a valid GeoJSON object."));try{return r(null,JSON.parse(e.data))}catch(e){return r(new Error("Input data is not a valid GeoJSON object."))}}},_indexData:function(e,r,t){try{r.cluster?t(null,supercluster(r.superclusterOptions).load(e.features)):t(null,geojsonvt(e,r.geojsonVtOptions))}catch(e){return t(e)}}});
},{"../util/ajax":104,"../util/util":122,"./geojson_wrapper":37,"./vector_tile_worker_source":48,"geojson-rewind":139,"geojson-vt":145,"supercluster":195,"vt-pbf":206}],37:[function(require,module,exports){
"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length,this.extent=EXTENT}function FeatureWrapper(e){if(this.type=e.type,1===e.type){this.rawGeometry=[];for(var t=0;t<e.geometry.length;t++)this.rawGeometry.push([e.geometry[t]])}else this.rawGeometry=e.geometry;this.properties=e.tags,this.extent=EXTENT}var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature,EXTENT=require("../data/bucket").EXTENT;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],h=0;h<p.length;h++){var n=p[h];t=Math.min(t,n.x),r=Math.max(r,n.x),o=Math.min(o,n.y),a=Math.max(a,n.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON;
},{"../data/bucket":2,"point-geometry":192,"vector-tile":202}],38:[function(require,module,exports){
"use strict";function ImageSource(e,t,r,i){this.id=e,this.dispatcher=r,this.url=t.url,this.coordinates=t.coordinates,this.setEventedParent(i),this.fire("dataloading",{dataType:"source"}),ajax.getImage(t.url,function(e,r){return e?this.fire("error",{error:e}):(this.image=r,this._loaded=!0,this.fire("data",{dataType:"source"}),this.fire("source.load"),void(this.map&&this.setCoordinates(t.coordinates)))}.bind(this))}var util=require("../util/util"),TileCoord=require("./tile_coord"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Evented=require("../util/evented"),ajax=require("../util/ajax"),EXTENT=require("../data/bucket").EXTENT,RasterBoundsArray=require("../render/draw_raster").RasterBoundsArray,Buffer=require("../data/buffer"),VertexArrayObject=require("../render/vertex_array_object");module.exports=ImageSource,ImageSource.prototype=util.inherit(Evented,{minzoom:0,maxzoom:22,tileSize:512,onAdd:function(e){this.map=e,this.image&&this.setCoordinates(this.coordinates)},setCoordinates:function(e){this.coordinates=e;var t=this.map,r=e.map(function(e){return t.transform.locationCoordinate(LngLat.convert(e)).zoomTo(0)}),i=this.centerCoord=util.getCoordinatesCenter(r);return i.column=Math.round(i.column),i.row=Math.round(i.row),this.minzoom=this.maxzoom=i.zoom,this.coord=new TileCoord(i.zoom,i.column,i.row),this._tileCoords=r.map(function(e){var t=e.zoomTo(i.zoom);return new Point(Math.round((t.column-i.column)*EXTENT),Math.round((t.row-i.row)*EXTENT))}),this.fire("data",{dataType:"source"}),this},_setTile:function(e){this._prepared=!1,this.tile=e;var t=32767,r=new RasterBoundsArray;r.emplaceBack(this._tileCoords[0].x,this._tileCoords[0].y,0,0),r.emplaceBack(this._tileCoords[1].x,this._tileCoords[1].y,t,0),r.emplaceBack(this._tileCoords[3].x,this._tileCoords[3].y,0,t),r.emplaceBack(this._tileCoords[2].x,this._tileCoords[2].y,t,t),this.tile.buckets={},this.tile.boundsBuffer=new Buffer(r.serialize(),RasterBoundsArray.serialize(),Buffer.BufferType.VERTEX),this.tile.boundsVAO=new VertexArrayObject,this.tile.state="loaded"},prepare:function(){this.tile&&this._loaded&&this.image&&this.image.complete&&this._prepareImage(this.map.painter.gl,this.image)},_prepareImage:function(e,t){this._prepared?(e.bindTexture(e.TEXTURE_2D,this.tile.texture),e.texSubImage2D(e.TEXTURE_2D,0,0,0,e.RGBA,e.UNSIGNED_BYTE,t)):(this._prepared=!0,this.tile.texture=e.createTexture(),e.bindTexture(e.TEXTURE_2D,this.tile.texture),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texImage2D(e.TEXTURE_2D,0,e.RGBA,e.RGBA,e.UNSIGNED_BYTE,t))},loadTile:function(e,t){this.coord&&this.coord.toString()===e.coord.toString()?(this._setTile(e),t(null)):(e.state="errored",t(null))},serialize:function(){return{type:"image",urls:this.url,coordinates:this.coordinates}}});
},{"../data/bucket":2,"../data/buffer":8,"../geo/lng_lat":13,"../render/draw_raster":27,"../render/vertex_array_object":34,"../util/ajax":104,"../util/evented":113,"../util/util":122,"./tile_coord":46,"point-geometry":192}],39:[function(require,module,exports){
"use strict";var util=require("../util/util"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSourceURL;module.exports=function(r,e){var i=function(r,i){if(r)return e(r);var t=util.pick(i,["tiles","minzoom","maxzoom","attribution"]);i.vector_layers&&(t.vectorLayers=i.vector_layers,t.vectorLayerIds=t.vectorLayers.map(function(r){return r.id})),e(null,t)};r.url?ajax.getJSON(normalizeURL(r.url),i):browser.frame(i.bind(null,null,r))};
},{"../util/ajax":104,"../util/browser":105,"../util/mapbox":119,"../util/util":122}],40:[function(require,module,exports){
"use strict";var Bucket=require("../data/bucket");module.exports=function(e,t,r){return t*(Bucket.EXTENT/(e.tileSize*Math.pow(2,r-e.coord.z)))};
},{"../data/bucket":2}],41:[function(require,module,exports){
"use strict";function sortTilesIn(e,r){var o=e.coord,t=r.coord;return o.z-t.z||o.y-t.y||o.w-t.w||o.x-t.x}function mergeRenderedFeatureLayers(e){for(var r=e[0]||{},o=1;o<e.length;o++){var t=e[o];for(var n in t){var a=t[n],i=r[n];if(void 0===i)i=r[n]=a;else for(var u=0;u<a.length;u++)i.push(a[u])}}return r}var TileCoord=require("./tile_coord");exports.rendered=function(e,r,o,t,n,a){var i=e.tilesIn(o);i.sort(sortTilesIn);for(var u=[],s=0;s<i.length;s++){var d=i[s];d.tile.featureIndex&&u.push(d.tile.featureIndex.query({queryGeometry:d.queryGeometry,scale:d.scale,tileSize:d.tile.tileSize,bearing:a,params:t},r))}return mergeRenderedFeatureLayers(u)},exports.source=function(e,r){for(var o=e.getRenderableIds().map(function(r){return e.getTileByID(r)}),t=[],n={},a=0;a<o.length;a++){var i=o[a],u=new TileCoord(Math.min(i.sourceMaxZoom,i.coord.z),i.coord.x,i.coord.y,0).id;n[u]||(n[u]=!0,i.querySourceFeatures(t,r))}return t};
},{"./tile_coord":46}],42:[function(require,module,exports){
"use strict";function RasterTileSource(e,t,i,r){this.id=e,this.dispatcher=i,util.extend(this,util.pick(t,["url","scheme","tileSize"])),this.setEventedParent(r),this.fire("dataloading",{dataType:"source"}),loadTileJSON(t,function(e,t){return e?this.fire("error",e):(util.extend(this,t),this.fire("data",{dataType:"source"}),void this.fire("source.load"))}.bind(this))}var util=require("../util/util"),ajax=require("../util/ajax"),Evented=require("../util/evented"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL;module.exports=RasterTileSource,RasterTileSource.prototype=util.inherit(Evented,{minzoom:0,maxzoom:22,roundZoom:!0,scheme:"xyz",tileSize:512,_loaded:!1,onAdd:function(e){this.map=e},serialize:function(){return{type:"raster",url:this.url,tileSize:this.tileSize,tiles:this.tiles}},loadTile:function(e,t){function i(i,r){if(delete e.request,!e.aborted){if(i)return t(i);var a=this.map.painter.gl;e.texture=this.map.painter.getTileTexture(r.width),e.texture?(a.bindTexture(a.TEXTURE_2D,e.texture),a.texSubImage2D(a.TEXTURE_2D,0,0,0,a.RGBA,a.UNSIGNED_BYTE,r)):(e.texture=a.createTexture(),a.bindTexture(a.TEXTURE_2D,e.texture),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR_MIPMAP_NEAREST),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MAG_FILTER,a.LINEAR),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE),a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!0),a.texImage2D(a.TEXTURE_2D,0,a.RGBA,a.RGBA,a.UNSIGNED_BYTE,r),e.texture.size=r.width),a.generateMipmap(a.TEXTURE_2D),this.map.animationLoop.set(this.map.style.rasterFadeDuration),e.state="loaded",t(null)}}var r=normalizeURL(e.coord.url(this.tiles,null,this.scheme),this.url,this.tileSize);e.request=ajax.getImage(r,i.bind(this))},abortTile:function(e){e.request&&(e.request.abort(),delete e.request)},unloadTile:function(e){e.texture&&this.map.painter.saveTileTexture(e.texture)}});
},{"../util/ajax":104,"../util/evented":113,"../util/mapbox":119,"../util/util":122,"./load_tilejson":39}],43:[function(require,module,exports){
"use strict";var util=require("../util/util"),sourceTypes={vector:require("../source/vector_tile_source"),raster:require("../source/raster_tile_source"),geojson:require("../source/geojson_source"),video:require("../source/video_source"),image:require("../source/image_source")};exports.create=function(e,r,o,t){if(r=new sourceTypes[r.type](e,r,o,t),r.setEventedParent(t),r.id!==e)throw new Error("Expected Source id to be "+e+" instead of "+r.id);return util.bindAll(["load","abort","unload","serialize","prepare"],r),r},exports.getType=function(e){return sourceTypes[e]},exports.setType=function(e,r){sourceTypes[e]=r};
},{"../source/geojson_source":35,"../source/image_source":38,"../source/raster_tile_source":42,"../source/vector_tile_source":47,"../source/video_source":49,"../util/util":122}],44:[function(require,module,exports){
"use strict";function SourceCache(e,i,t){this.id=e,this.dispatcher=t,this._source=Source.create(e,i,t,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(e){this._sourceLoaded&&"source"===e.dataType&&(this.reload(),this.transform&&this.update(this.transform,this.map&&this.map.style.rasterFadeDuration))}),this._tiles={},this._cache=new Cache(0,this.unloadTile.bind(this)),this._isIdRenderable=this._isIdRenderable.bind(this)}function coordinateToTilePoint(e,i,t){var o=t.zoomTo(Math.min(e.z,i));return{x:(o.column-(e.x+e.w*Math.pow(2,e.z)))*EXTENT,y:(o.row-e.y)*EXTENT}}function compareKeyZoom(e,i){return e%32-i%32}var Source=require("./source"),Tile=require("./tile"),Evented=require("../util/evented"),TileCoord=require("./tile_coord"),Cache=require("../util/lru_cache"),Coordinate=require("../geo/coordinate"),util=require("../util/util"),EXTENT=require("../data/bucket").EXTENT;module.exports=SourceCache,SourceCache.maxOverzooming=10,SourceCache.maxUnderzooming=3,SourceCache.prototype=util.inherit(Evented,{onAdd:function(e){this.map=e,this._source&&this._source.onAdd&&this._source.onAdd(e)},loaded:function(){if(this._sourceErrored)return!0;if(!this._sourceLoaded)return!1;for(var e in this._tiles){var i=this._tiles[e];if("loaded"!==i.state&&"errored"!==i.state)return!1}return!0},getSource:function(){return this._source},loadTile:function(e,i){return this._source.loadTile(e,i)},unloadTile:function(e){if(this._source.unloadTile)return this._source.unloadTile(e)},abortTile:function(e){if(this._source.abortTile)return this._source.abortTile(e)},serialize:function(){return this._source.serialize()},prepare:function(){if(this._sourceLoaded&&this._source.prepare)return this._source.prepare()},getIds:function(){return Object.keys(this._tiles).map(Number).sort(compareKeyZoom)},getRenderableIds:function(){return this.getIds().filter(this._isIdRenderable)},_isIdRenderable:function(e){return this._tiles[e].hasData()&&!this._coveredTiles[e]},reload:function(){this._cache.reset();for(var e in this._tiles){var i=this._tiles[e];"loading"!==i.state&&(i.state="reloading"),this.loadTile(this._tiles[e],this._tileLoaded.bind(this,this._tiles[e]))}},_tileLoaded:function(e,i){return i?(e.state="errored",void this._source.fire("error",{tile:e,error:i})):(e.sourceCache=this,e.timeAdded=(new Date).getTime(),this._source.fire("data",{tile:e,dataType:"tile"}),void(this.map&&(this.map.painter.tileExtentVAO.vao=null)))},getTile:function(e){return this.getTileByID(e.id)},getTileByID:function(e){return this._tiles[e]},getZoom:function(e){return e.zoom+e.scaleZoom(e.tileSize/this._source.tileSize)},findLoadedChildren:function(e,i,t){var o=!1;for(var r in this._tiles){var s=this._tiles[r];if(!(t[r]||!s.hasData()||s.coord.z<=e.z||s.coord.z>i)){var a=Math.pow(2,Math.min(s.coord.z,this._source.maxzoom)-Math.min(e.z,this._source.maxzoom));if(Math.floor(s.coord.x/a)===e.x&&Math.floor(s.coord.y/a)===e.y)for(t[r]=!0,o=!0;s&&s.coord.z-1>e.z;){var n=s.coord.parent(this._source.maxzoom).id;s=this._tiles[n],s&&s.hasData()&&(delete t[r],t[n]=!0)}}}return o},findLoadedParent:function(e,i,t){for(var o=e.z-1;o>=i;o--){e=e.parent(this._source.maxzoom);var r=this._tiles[e.id];if(r&&r.hasData())return t[e.id]=!0,r;if(this._cache.has(e.id))return this.addTile(e),t[e.id]=!0,this._tiles[e.id]}},updateCacheSize:function(e){var i=Math.ceil(e.width/e.tileSize)+1,t=Math.ceil(e.height/e.tileSize)+1,o=i*t,r=5;this._cache.setMaxSize(Math.floor(o*r))},update:function(e,i){if(this._sourceLoaded){var t,o,r;this.updateCacheSize(e);var s=(this._source.roundZoom?Math.round:Math.floor)(this.getZoom(e)),a=Math.max(s-SourceCache.maxOverzooming,this._source.minzoom),n=Math.max(s+SourceCache.maxUnderzooming,this._source.minzoom),h={},d=(new Date).getTime();this._coveredTiles={};var c;for(c=this.used?this._source.coord?[this._source.coord]:e.coveringTiles({tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.maxzoom,roundZoom:this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled}):[],t=0;t<c.length;t++)o=c[t],r=this.addTile(o),h[o.id]=!0,r.hasData()||this.findLoadedChildren(o,n,h)||this.findLoadedParent(o,a,h);for(var u={},l=Object.keys(h),m=0;m<l.length;m++){var _=l[m];o=TileCoord.fromID(_),r=this._tiles[_],r&&r.timeAdded>d-(i||0)&&(this.findLoadedChildren(o,n,h)&&(h[_]=!0),this.findLoadedParent(o,a,u))}var f;for(f in u)h[f]||(this._coveredTiles[f]=!0);for(f in u)h[f]=!0;var T=util.keysDifference(this._tiles,h);for(t=0;t<T.length;t++)this.removeTile(+T[t]);this.transform=e}},addTile:function(e){var i=this._tiles[e.id];if(i)return i;var t=e.wrapped();if(i=this._tiles[t.id],i||(i=this._cache.get(t.id),i&&this._redoPlacement&&this._redoPlacement(i)),!i){var o=e.z,r=o>this._source.maxzoom?Math.pow(2,o-this._source.maxzoom):1;i=new Tile(t,this._source.tileSize*r,this._source.maxzoom),this.loadTile(i,this._tileLoaded.bind(this,i))}return i.uses++,this._tiles[e.id]=i,this._source.fire("dataloading",{tile:i,dataType:"tile"}),i},removeTile:function(e){var i=this._tiles[e];i&&(i.uses--,delete this._tiles[e],this._source.fire("data",{tile:i,dataType:"tile"}),i.uses>0||(i.hasData()?this._cache.add(i.coord.wrapped().id,i):(i.aborted=!0,this.abortTile(i),this.unloadTile(i))))},clearTiles:function(){for(var e in this._tiles)this.removeTile(e);this._cache.reset()},tilesIn:function(e){for(var i={},t=this.getIds(),o=1/0,r=1/0,s=-(1/0),a=-(1/0),n=e[0].zoom,h=0;h<e.length;h++){var d=e[h];o=Math.min(o,d.column),r=Math.min(r,d.row),s=Math.max(s,d.column),a=Math.max(a,d.row)}for(var c=0;c<t.length;c++){var u=this._tiles[t[c]],l=TileCoord.fromID(t[c]),m=[coordinateToTilePoint(l,u.sourceMaxZoom,new Coordinate(o,r,n)),coordinateToTilePoint(l,u.sourceMaxZoom,new Coordinate(s,a,n))];if(m[0].x<EXTENT&&m[0].y<EXTENT&&m[1].x>=0&&m[1].y>=0){for(var _=[],f=0;f<e.length;f++)_.push(coordinateToTilePoint(l,u.sourceMaxZoom,e[f]));var T=i[u.coord.id];void 0===T&&(T=i[u.coord.id]={tile:u,coord:l,queryGeometry:[],scale:Math.pow(2,this.transform.zoom-u.coord.z)}),T.queryGeometry.push(_)}}var v=[];for(var p in i)v.push(i[p]);return v},redoPlacement:function(){for(var e=this.getIds(),i=0;i<e.length;i++){var t=this.getTileByID(e[i]);t.redoPlacement(this)}},getVisibleCoordinates:function(){return this.getRenderableIds().map(TileCoord.fromID)}});
},{"../data/bucket":2,"../geo/coordinate":12,"../util/evented":113,"../util/lru_cache":118,"../util/util":122,"./source":43,"./tile":45,"./tile_coord":46}],45:[function(require,module,exports){
"use strict";function Tile(e,t,i){this.coord=e,this.uid=util.uniqueId(),this.uses=0,this.tileSize=t,this.sourceMaxZoom=i,this.buckets={},this.state="loading"}function unserializeBuckets(e,t){if(t){for(var i={},s=0;s<e.length;s++){var r=t.getLayer(e[s].layerId);if(r){var o=Bucket.create(util.extend({layer:r,childLayers:e[s].childLayerIds.map(t.getLayer.bind(t)).filter(function(e){return e})},e[s]));i[o.id]=o}}return i}}var util=require("../util/util"),Bucket=require("../data/bucket"),FeatureIndex=require("../data/feature_index"),vt=require("vector-tile"),Protobuf=require("pbf"),GeoJSONFeature=require("../util/vectortile_to_geojson"),featureFilter=require("feature-filter"),CollisionTile=require("../symbol/collision_tile"),CollisionBoxArray=require("../symbol/collision_box"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads");module.exports=Tile,Tile.prototype={loadVectorData:function(e,t){this.hasData()&&this.unloadVectorData(t),this.state="loaded",e&&(e.rawTileData&&(this.rawTileData=e.rawTileData),this.collisionBoxArray=new CollisionBoxArray(e.collisionBoxArray),this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.symbolInstancesArray=new SymbolInstancesArray(e.symbolInstancesArray),this.symbolQuadsArray=new SymbolQuadsArray(e.symbolQuadsArray),this.featureIndex=new FeatureIndex(e.featureIndex,this.rawTileData,this.collisionTile),this.buckets=unserializeBuckets(e.buckets,t.style))},reloadSymbolData:function(e,t){if("unloaded"!==this.state){this.collisionTile=new CollisionTile(e.collisionTile,this.collisionBoxArray),this.featureIndex.setCollisionTile(this.collisionTile);for(var i in this.buckets){var s=this.buckets[i];"symbol"===s.type&&(s.destroy(),delete this.buckets[i])}util.extend(this.buckets,unserializeBuckets(e.buckets,t))}},unloadVectorData:function(){for(var e in this.buckets)this.buckets[e].destroy();this.collisionBoxArray=null,this.symbolQuadsArray=null,this.symbolInstancesArray=null,this.collisionTile=null,this.featureIndex=null,this.buckets=null,this.state="unloaded"},redoPlacement:function(e){function t(t,i){this.reloadSymbolData(i,e.map.style),e.fire("data",{tile:this,dataType:"tile"}),e.map&&(e.map.painter.tileExtentVAO.vao=null),this.state="loaded",this.redoWhenDone&&(this.redoPlacement(e),this.redoWhenDone=!1)}return"loaded"!==this.state||"reloading"===this.state?void(this.redoWhenDone=!0):(this.state="reloading",void e.dispatcher.send("redo placement",{uid:this.uid,source:e.id,angle:e.map.transform.angle,pitch:e.map.transform.pitch,showCollisionBoxes:e.map.showCollisionBoxes},t.bind(this),this.workerID))},getBucket:function(e){return this.buckets&&this.buckets[e.ref||e.id]},querySourceFeatures:function(e,t){if(this.rawTileData){this.vtLayers||(this.vtLayers=new vt.VectorTile(new Protobuf(this.rawTileData)).layers);var i=this.vtLayers._geojsonTileLayer||this.vtLayers[t.sourceLayer];if(i)for(var s=featureFilter(t.filter),r={z:this.coord.z,x:this.coord.x,y:this.coord.y},o=0;o<i.length;o++){var a=i.feature(o);if(s(a)){var l=new GeoJSONFeature(a,this.coord.z,this.coord.x,this.coord.y);l.tile=r,e.push(l)}}}},hasData:function(){return"loaded"===this.state||"reloading"===this.state}};
},{"../data/bucket":2,"../data/feature_index":10,"../symbol/collision_box":72,"../symbol/collision_tile":74,"../symbol/symbol_instances":83,"../symbol/symbol_quads":84,"../util/util":122,"../util/vectortile_to_geojson":123,"feature-filter":138,"pbf":190,"vector-tile":202}],46:[function(require,module,exports){
"use strict";function TileCoord(t,i,o,r){isNaN(r)&&(r=0),this.z=+t,this.x=+i,this.y=+o,this.w=+r,r*=2,r<0&&(r=r*-1-1);var e=1<<this.z;this.id=32*(e*e*r+e*this.y+this.x)+this.z,this.posMatrix=null}function getQuadkey(t,i,o){for(var r,e="",n=t;n>0;n--)r=1<<n-1,e+=(i&r?1:0)+(o&r?2:0);return e}function edge(t,i){if(t.row>i.row){var o=t;t=i,i=o}return{x0:t.column,y0:t.row,x1:i.column,y1:i.row,dx:i.column-t.column,dy:i.row-t.row}}function scanSpans(t,i,o,r,e){var n=Math.max(o,Math.floor(i.y0)),h=Math.min(r,Math.ceil(i.y1));if(t.x0===i.x0&&t.y0===i.y0?t.x0+i.dy/t.dy*t.dx<i.x1:t.x1-i.dy/t.dy*t.dx<i.x0){var s=t;t=i,i=s}for(var a=t.dx/t.dy,d=i.dx/i.dy,y=t.dx>0,l=i.dx<0,u=n;u<h;u++){var x=a*Math.max(0,Math.min(t.dy,u+y-t.y0))+t.x0,c=d*Math.max(0,Math.min(i.dy,u+l-i.y0))+i.x0;e(Math.floor(c),Math.ceil(x),u)}}function scanTriangle(t,i,o,r,e,n){var h,s=edge(t,i),a=edge(i,o),d=edge(o,t);s.dy>a.dy&&(h=s,s=a,a=h),s.dy>d.dy&&(h=s,s=d,d=h),a.dy>d.dy&&(h=a,a=d,d=h),s.dy&&scanSpans(d,s,r,e,n),a.dy&&scanSpans(d,a,r,e,n)}var WhooTS=require("whoots-js"),Coordinate=require("../geo/coordinate");module.exports=TileCoord,TileCoord.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},TileCoord.prototype.toCoordinate=function(t){var i=Math.min(this.z,t),o=Math.pow(2,i),r=this.y,e=this.x+o*this.w;return new Coordinate(e,r,i)},TileCoord.fromID=function(t){var i=t%32,o=1<<i,r=(t-i)/32,e=r%o,n=(r-e)/o%o,h=Math.floor(r/(o*o));return h%2!==0&&(h=h*-1-1),h/=2,new TileCoord(i,e,n,h)},TileCoord.prototype.url=function(t,i,o){var r=WhooTS.getTileBBox(this.x,this.y,this.z),e=getQuadkey(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,i||this.z)).replace("{x}",this.x).replace("{y}","tms"===o?Math.pow(2,this.z)-this.y-1:this.y).replace("{quadkey}",e).replace("{bbox-epsg-3857}",r)},TileCoord.prototype.parent=function(t){return 0===this.z?null:this.z>t?new TileCoord(this.z-1,this.x,this.y,this.w):new TileCoord(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},TileCoord.prototype.wrapped=function(){return new TileCoord(this.z,this.x,this.y,0)},TileCoord.prototype.children=function(t){if(this.z>=t)return[new TileCoord(this.z+1,this.x,this.y,this.w)];var i=this.z+1,o=2*this.x,r=2*this.y;return[new TileCoord(i,o,r,this.w),new TileCoord(i,o+1,r,this.w),new TileCoord(i,o,r+1,this.w),new TileCoord(i,o+1,r+1,this.w)]},TileCoord.cover=function(t,i,o){function r(t,i,r){var h,s,a;if(r>=0&&r<=e)for(h=t;h<i;h++)s=(h%e+e)%e,a=new TileCoord(o,s,r,Math.floor(h/e)),n[a.id]=a}var e=1<<t,n={};return scanTriangle(i[0],i[1],i[2],0,e,r),scanTriangle(i[2],i[3],i[0],0,e,r),Object.keys(n).map(function(t){return n[t]})};
},{"../geo/coordinate":12,"whoots-js":210}],47:[function(require,module,exports){
"use strict";function VectorTileSource(e,i,t,o){if(this.id=e,this.dispatcher=t,util.extend(this,util.pick(i,["url","scheme","tileSize"])),this._options=util.extend({type:"vector"},i),512!==this.tileSize)throw new Error("vector tile sources must have a tileSize of 512");this.setEventedParent(o),this.fire("dataloading",{dataType:"source"}),loadTileJSON(i,function(e,i){return e?void this.fire("error",e):(util.extend(this,i),this.fire("data",{dataType:"source"}),void this.fire("source.load"))}.bind(this))}var Evented=require("../util/evented"),util=require("../util/util"),loadTileJSON=require("./load_tilejson"),normalizeURL=require("../util/mapbox").normalizeTileURL;module.exports=VectorTileSource,VectorTileSource.prototype=util.inherit(Evented,{minzoom:0,maxzoom:22,scheme:"xyz",tileSize:512,reparseOverscaled:!0,isTileClipped:!0,onAdd:function(e){this.map=e},serialize:function(){return util.extend({},this._options)},loadTile:function(e,i){function t(t,o){if(!e.aborted){if(t)return i(t);e.loadVectorData(o,this.map.painter),e.redoWhenDone&&(e.redoWhenDone=!1,e.redoPlacement(this)),i(null),e.reloadCallback&&(this.loadTile(e,e.reloadCallback),e.reloadCallback=null)}}var o=e.coord.z>this.maxzoom?Math.pow(2,e.coord.z-this.maxzoom):1,r={url:normalizeURL(e.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:e.uid,coord:e.coord,zoom:e.coord.z,tileSize:this.tileSize*o,source:this.id,overscaling:o,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};e.workerID?"loading"===e.state?e.reloadCallback=i:this.dispatcher.send("reload tile",r,t.bind(this),e.workerID):e.workerID=this.dispatcher.send("load tile",r,t.bind(this))},abortTile:function(e){this.dispatcher.send("abort tile",{uid:e.uid,source:this.id},null,e.workerID)},unloadTile:function(e){e.unloadVectorData(),this.dispatcher.send("remove tile",{uid:e.uid,source:this.id},null,e.workerID)}});
},{"../util/evented":113,"../util/mapbox":119,"../util/util":122,"./load_tilejson":39}],48:[function(require,module,exports){
"use strict";function VectorTileWorkerSource(e,r,t){this.actor=e,this.styleLayers=r,t&&(this.loadVectorData=t),this.loading={},this.loaded={}}var ajax=require("../util/ajax"),vt=require("vector-tile"),Protobuf=require("pbf"),WorkerTile=require("./worker_tile"),util=require("../util/util");module.exports=VectorTileWorkerSource,VectorTileWorkerSource.prototype={loadTile:function(e,r){function t(e,t){return delete this.loading[i][o],e?r(e):t?(a.vectorTile=t,a.parse(t,this.styleLayers.getLayerFamilies(),this.actor,function(e,i,o){return e?r(e):void r(null,util.extend({rawTileData:t.rawData},i),o)}),this.loaded[i]=this.loaded[i]||{},void(this.loaded[i][o]=a)):r(null,null)}var i=e.source,o=e.uid;this.loading[i]||(this.loading[i]={});var a=this.loading[i][o]=new WorkerTile(e);a.abort=this.loadVectorData(e,t.bind(this))},reloadTile:function(e,r){var t=this.loaded[e.source],i=e.uid;if(t&&t[i]){var o=t[i];o.parse(o.vectorTile,this.styleLayers.getLayerFamilies(),this.actor,r)}},abortTile:function(e){var r=this.loading[e.source],t=e.uid;r&&r[t]&&r[t].abort&&(r[t].abort(),delete r[t])},removeTile:function(e){var r=this.loaded[e.source],t=e.uid;r&&r[t]&&delete r[t]},loadVectorData:function(e,r){function t(e,t){if(e)return r(e);var i=new vt.VectorTile(new Protobuf(t));i.rawData=t,r(e,i)}var i=ajax.getArrayBuffer(e.url,t.bind(this));return function(){i.abort()}},redoPlacement:function(e,r){var t=this.loaded[e.source],i=this.loading[e.source],o=e.uid;if(t&&t[o]){var a=t[o],l=a.redoPlacement(e.angle,e.pitch,e.showCollisionBoxes);l.result&&r(null,l.result,l.transferables)}else i&&i[o]&&(i[o].angle=e.angle)}};
},{"../util/ajax":104,"../util/util":122,"./worker_tile":51,"pbf":190,"vector-tile":202}],49:[function(require,module,exports){
"use strict";function VideoSource(i,e,t,o){this.id=i,this.urls=e.urls,this.coordinates=e.coordinates,this.setEventedParent(o),this.fire("dataloading",{dataType:"source"}),ajax.getVideo(e.urls,function(i,t){if(i)return this.fire("error",{error:i});this.video=t,this.video.loop=!0;var o;this.video.addEventListener("playing",function(){o=this.map.style.animationLoop.set(1/0),this.map._rerender()}.bind(this)),this.video.addEventListener("pause",function(){this.map.style.animationLoop.cancel(o)}.bind(this)),this.map&&(this.video.play(),this.setCoordinates(e.coordinates)),this.fire("data",{dataType:"source"}),this.fire("source.load")}.bind(this))}var util=require("../util/util"),ajax=require("../util/ajax"),ImageSource=require("./image_source");module.exports=VideoSource,VideoSource.prototype=util.inherit(ImageSource,{roundZoom:!0,getVideo:function(){return this.video},onAdd:function(i){this.map||(this.map=i,this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},prepare:function(){!this.tile||this.video.readyState<2||this._prepareImage(this.map.painter.gl,this.video)},serialize:function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}}});
},{"../util/ajax":104,"../util/util":122,"./image_source":38}],50:[function(require,module,exports){
"use strict";function Worker(e){this.self=e,this.actor=new Actor(e,this),this.layers={},this.layerFamilies={},this.workerSourceTypes={vector:VectorTileWorkerSource,geojson:GeoJSONWorkerSource},this.workerSources={},this.self.registerWorkerSource=function(e,r){if(this.workerSourceTypes[e])throw new Error('Worker source with name "'+e+'" already registered.');this.workerSourceTypes[e]=r}.bind(this)}function createLayerFamilies(e){var r={};for(var t in e){var i=e[t],o=i.ref||i.id,s=e[o];s.layout&&"none"===s.layout.visibility||(r[o]=r[o]||[],t===o?r[o].unshift(i):r[o].push(i))}return r}var Actor=require("../util/actor"),StyleLayer=require("../style/style_layer"),util=require("../util/util"),VectorTileWorkerSource=require("./vector_tile_worker_source"),GeoJSONWorkerSource=require("./geojson_worker_source"),featureFilter=require("feature-filter");module.exports=function(e){return new Worker(e)},util.extend(Worker.prototype,{"set layers":function(e,r){function t(e){var r=StyleLayer.create(e,e.ref&&i[e.ref]);r.updatePaintTransitions({},{transition:!1}),r.filter=featureFilter(r.filter),i[r.id]=r}for(var i=this.layers[e]={},o=[],s=0;s<r.length;s++){var a=r[s];"fill"!==a.type&&"line"!==a.type&&"circle"!==a.type&&"symbol"!==a.type||(a.ref?o.push(s):t(a))}for(var n=0;n<o.length;n++)t(r[o[n]]);this.layerFamilies[e]=createLayerFamilies(this.layers[e])},"update layers":function(e,r){function t(e){var r=s[e.ref],t=s[e.id];t?t.set(e,r):t=s[e.id]=StyleLayer.create(e,r),t.updatePaintTransitions({},{transition:!1}),t.filter=featureFilter(t.filter)}var i,o,s=this.layers[e];for(i in r)o=r[i],o.ref&&t(o);for(i in r)o=r[i],o.ref||t(o);this.layerFamilies[e]=createLayerFamilies(this.layers[e])},"load tile":function(e,r,t){var i=r.type||"vector";this.getWorkerSource(e,i).loadTile(r,t)},"reload tile":function(e,r,t){var i=r.type||"vector";this.getWorkerSource(e,i).reloadTile(r,t)},"abort tile":function(e,r){var t=r.type||"vector";this.getWorkerSource(e,t).abortTile(r)},"remove tile":function(e,r){var t=r.type||"vector";this.getWorkerSource(e,t).removeTile(r)},"redo placement":function(e,r,t){var i=r.type||"vector";this.getWorkerSource(e,i).redoPlacement(r,t)},"load worker source":function(e,r,t){try{this.self.importScripts(r.url),t()}catch(e){t(e)}},getWorkerSource:function(e,r){if(this.workerSources[e]||(this.workerSources[e]={}),!this.workerSources[e][r]){var t={getLayers:function(){return this.layers[e]}.bind(this),getLayerFamilies:function(){return this.layerFamilies[e]}.bind(this)},i={send:function(r,t,i,o){this.actor.send(r,t,i,o,e)}.bind(this)};this.workerSources[e][r]=new this.workerSourceTypes[r](i,t)}return this.workerSources[e][r]}});
},{"../style/style_layer":59,"../util/actor":103,"../util/util":122,"./geojson_worker_source":36,"./vector_tile_worker_source":48,"feature-filter":138}],51:[function(require,module,exports){
"use strict";function WorkerTile(e){this.coord=e.coord,this.uid=e.uid,this.zoom=e.zoom,this.tileSize=e.tileSize,this.source=e.source,this.overscaling=e.overscaling,this.angle=e.angle,this.pitch=e.pitch,this.showCollisionBoxes=e.showCollisionBoxes}function isBucketNonEmpty(e){return!e.isEmpty()}function serializeBucket(e){return e.serialize()}function getTransferables(e){var r=[];for(var s in e)e[s].getTransferables(r);return r}function getLayerId(e){return e.id}var FeatureIndex=require("../data/feature_index"),CollisionTile=require("../symbol/collision_tile"),Bucket=require("../data/bucket"),CollisionBoxArray=require("../symbol/collision_box"),DictionaryCoder=require("../util/dictionary_coder"),util=require("../util/util"),SymbolInstancesArray=require("../symbol/symbol_instances"),SymbolQuadsArray=require("../symbol/symbol_quads");module.exports=WorkerTile,WorkerTile.prototype.parse=function(e,r,s,i){function o(e,r){for(var s=0;s<e.length;s++){var i=e.feature(s);i.index=s;for(var o in r)r[o].layer.filter(i)&&r[o].features.push(i)}}function t(e){if(e)return i(e);if(T++,2===T){for(var r=A.length-1;r>=0;r--)a(m,A[r]);n()}}function a(e,r){if(r.populateArrays(h,I,z),"symbol"!==r.type)for(var s=0;s<r.features.length;s++){var i=r.features[s];d.insert(i,i.index,r.sourceLayerIndex,r.index)}r.features=null}function n(){m.status="done",m.redoPlacementAfterDone&&(m.redoPlacement(m.angle,m.pitch,null),m.redoPlacementAfterDone=!1);var e=d.serialize(),r=h.serialize(),s=m.collisionBoxArray.serialize(),o=m.symbolInstancesArray.serialize(),t=m.symbolQuadsArray.serialize(),a=x.filter(isBucketNonEmpty);i(null,{buckets:a.map(serializeBucket),featureIndex:e.data,collisionTile:r.data,collisionBoxArray:s,symbolInstancesArray:o,symbolQuadsArray:t},getTransferables(a).concat(e.transferables).concat(r.transferables))}this.status="parsing",this.data=e,this.collisionBoxArray=new CollisionBoxArray,this.symbolInstancesArray=new SymbolInstancesArray,this.symbolQuadsArray=new SymbolQuadsArray;var l,u,c,y,h=new CollisionTile(this.angle,this.pitch,this.collisionBoxArray),d=new FeatureIndex(this.coord,this.overscaling,h,e.layers),f=new DictionaryCoder(e.layers?Object.keys(e.layers).sort():["_geojsonTileLayer"]),m=this,b={},g={},p=0;for(var v in r)u=r[v][0],u.source===this.source&&(u.ref||u.minzoom&&this.zoom<u.minzoom||u.maxzoom&&this.zoom>=u.maxzoom||u.layout&&"none"===u.layout.visibility||e.layers&&!e.layers[u.sourceLayer]||(y=Bucket.create({layer:u,index:p++,childLayers:r[v],zoom:this.zoom,overscaling:this.overscaling,showCollisionBoxes:this.showCollisionBoxes,collisionBoxArray:this.collisionBoxArray,symbolQuadsArray:this.symbolQuadsArray,symbolInstancesArray:this.symbolInstancesArray,sourceLayerIndex:f.encode(u.sourceLayer||"_geojsonTileLayer")}),b[u.id]=y,e.layers&&(c=u.sourceLayer,g[c]=g[c]||{},g[c][u.id]=y)));if(e.layers)for(c in g)1===u.version&&util.warnOnce('Vector tile source "'+this.source+'" layer "'+c+'" does not use vector tile spec v2 and therefore may have some rendering errors.'),u=e.layers[c],u&&o(u,g[c]);else o(e,b);var x=[],A=this.symbolBuckets=[],k=[];d.bucketLayerIDs={};for(var B in b)y=b[B],0!==y.features.length&&(d.bucketLayerIDs[y.index]=y.childLayers.map(getLayerId),x.push(y),"symbol"===y.type?A.push(y):k.push(y));var z={},I={},T=0;if(A.length>0){for(l=A.length-1;l>=0;l--)A[l].updateIcons(z),A[l].updateFont(I);for(var L in I)I[L]=Object.keys(I[L]).map(Number);z=Object.keys(z),s.send("get glyphs",{uid:this.uid,stacks:I},function(e,r){I=r,t(e)}),z.length?s.send("get icons",{icons:z},function(e,r){z=r,t(e)}):t()}for(l=k.length-1;l>=0;l--)a(this,k[l]);if(0===A.length)return n()},WorkerTile.prototype.redoPlacement=function(e,r,s){if("done"!==this.status)return this.redoPlacementAfterDone=!0,this.angle=e,{};for(var i=new CollisionTile(e,r,this.collisionBoxArray),o=this.symbolBuckets,t=o.length-1;t>=0;t--)o[t].placeFeatures(i,s);var a=i.serialize(),n=o.filter(isBucketNonEmpty);return{result:{buckets:n.map(serializeBucket),collisionTile:a.data},transferables:getTransferables(n).concat(a.transferables)}};
},{"../data/bucket":2,"../data/feature_index":10,"../symbol/collision_box":72,"../symbol/collision_tile":74,"../symbol/symbol_instances":83,"../symbol/symbol_quads":84,"../util/dictionary_coder":110,"../util/util":122}],52:[function(require,module,exports){
"use strict";function AnimationLoop(){this.n=0,this.times=[]}module.exports=AnimationLoop,AnimationLoop.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},AnimationLoop.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},AnimationLoop.prototype.cancel=function(t){this.times=this.times.filter(function(i){return i.id!==t})};
},{}],53:[function(require,module,exports){
"use strict";function ImageSprite(t){this.base=t,this.retina=browser.devicePixelRatio>1;var i=this.retina?"@2x":"";ajax.getJSON(normalizeURL(t,i,".json"),function(t,i){return t?void this.fire("error",{error:t}):(this.data=i,void(this.img&&this.fire("data",{dataType:"style"})))}.bind(this)),ajax.getImage(normalizeURL(t,i,".png"),function(t,i){if(t)return void this.fire("error",{error:t});for(var e=i.getData(),r=i.data=new Uint8Array(e.length),a=0;a<e.length;a+=4){var o=e[a+3]/255;r[a+0]=e[a+0]*o,r[a+1]=e[a+1]*o,r[a+2]=e[a+2]*o,r[a+3]=e[a+3]}this.img=i,this.data&&this.fire("data",{dataType:"style"})}.bind(this))}function SpritePosition(){}var Evented=require("../util/evented"),ajax=require("../util/ajax"),browser=require("../util/browser"),normalizeURL=require("../util/mapbox").normalizeSpriteURL;module.exports=ImageSprite,ImageSprite.prototype=Object.create(Evented),ImageSprite.prototype.toJSON=function(){return this.base},ImageSprite.prototype.loaded=function(){return!(!this.data||!this.img)},ImageSprite.prototype.resize=function(){if(browser.devicePixelRatio>1!==this.retina){var t=new ImageSprite(this.base);t.on("data",function(){this.img=t.img,this.data=t.data,this.retina=t.retina}.bind(this))}},SpritePosition.prototype={x:0,y:0,width:0,height:0,pixelRatio:1,sdf:!1},ImageSprite.prototype.getSpritePosition=function(t){if(!this.loaded())return new SpritePosition;var i=this.data&&this.data[t];return i&&this.img?i:new SpritePosition};
},{"../util/ajax":104,"../util/browser":105,"../util/evented":113,"../util/mapbox":119}],54:[function(require,module,exports){
"use strict";function Light(t){this.set(t)}var styleSpec=require("./style_spec"),util=require("../util/util"),Evented=require("../util/evented"),validateStyle=require("./validate_style"),StyleDeclaration=require("./style_declaration"),StyleTransition=require("./style_transition");module.exports=Light;var TRANSITION_SUFFIX="-transition";Light.prototype=util.inherit(Evented,{properties:["anchor","color","position","intensity"],_specifications:styleSpec.$root.light,set:function(t){if(!this._validate(validateStyle.light,t)){this._declarations={},this._transitions={},this._transitionOptions={},this.calculated={},t=util.extend({anchor:this._specifications.anchor.default,color:this._specifications.color.default,position:this._specifications.position.default,intensity:this._specifications.intensity.default},t);for(var i in this.properties){var e=this.properties[i];this._declarations[e]=new StyleDeclaration(this._specifications[e],t[e])}return this}},getLight:function(){return{anchor:this.getLightProperty("anchor"),color:this.getLightProperty("color"),position:this.getLightProperty("position"),intensity:this.getLightProperty("intensity")}},getLightProperty:function(t){return util.endsWith(t,TRANSITION_SUFFIX)?this._transitionOptions[t]:this._declarations[t]&&this._declarations[t].value},getLightValue:function(t,i){if("position"===t){var e=this._transitions[t].calculate(i),n=util.sphericalToCartesian(e);return{x:n[0],y:n[1],z:n[2]}}return this._transitions[t].calculate(i)},setLight:function(t){if(!this._validate(validateStyle.light,t))for(var i in t){var e=t[i];util.endsWith(i,TRANSITION_SUFFIX)?this._transitionOptions[i]=e:null===e||void 0===e?delete this._declarations[i]:this._declarations[i]=new StyleDeclaration(this._specifications[i],e)}},recalculate:function(t,i){for(var e in this._declarations)this.calculated[e]=this.getLightValue(e,{zoom:t,zoomHistory:i})},_applyLightDeclaration:function(t,i,e,n,s){var a=e.transition?this._transitions[t]:void 0,o=this._specifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(o,o.default)),!a||a.declaration.json!==i.json){var r=util.extend({duration:300,delay:0},n,this.getLightProperty(t+TRANSITION_SUFFIX)),l=this._transitions[t]=new StyleTransition(o,i,a,r);l.instant()||(l.loopID=s.set(l.endTime-Date.now())),a&&s.cancel(a.loopID)}},updateLightTransitions:function(t,i,e){var n;for(n in this._declarations)this._applyLightDeclaration(n,this._declarations[n],t,i,e)},_validate:function(t,i){return validateStyle.emitErrors(this,t.call(validateStyle,util.extend({value:i,style:{glyphs:!0,sprite:!0},styleSpec:styleSpec})))}});
},{"../util/evented":113,"../util/util":122,"./style_declaration":57,"./style_spec":66,"./style_transition":67,"./validate_style":68}],55:[function(require,module,exports){
"use strict";var parseColorString=require("csscolorparser").parseCSSColor,util=require("../util/util"),StyleFunction=require("./style_function"),cache={};module.exports=function r(t){if(StyleFunction.isFunctionDefinition(t))return t.stops?util.extend({},t,{stops:t.stops.map(function(t){return[t[0],r(t[1])]})}):t;if("string"==typeof t){if(!cache[t]){var e=parseColorString(t);if(!e)throw new Error("Invalid color "+t);cache[t]=[e[0]/255*e[3],e[1]/255*e[3],e[2]/255*e[3],e[3]]}return cache[t]}if(Array.isArray(t))return t;throw new Error("Invalid color "+t)};
},{"../util/util":122,"./style_function":58,"csscolorparser":136}],56:[function(require,module,exports){
"use strict";function Style(e,t,r){this.map=t,this.animationLoop=t&&t.animationLoop||new AnimationLoop,this.dispatcher=new Dispatcher(getWorkerPool(),this),this.spriteAtlas=new SpriteAtlas(1024,1024),this.lineAtlas=new LineAtlas(256,512),this._layers={},this._order=[],this._groups=[],this.sourceCaches={},this.zoomHistory={},util.bindAll(["_redoPlacement"],this),this._resetUpdates(),r=util.extend({validate:"string"!=typeof e||!mapbox.isMapboxURL(e)},r),this.setEventedParent(t),this.fire("dataloading",{dataType:"style"});var s=function(e,t){if(e)return void this.fire("error",{error:e});if(!r.validate||!validateStyle.emitErrors(this,validateStyle(t))){this._loaded=!0,this.stylesheet=t,this.updateClasses();for(var s in t.sources)this.addSource(s,t.sources[s],r);t.sprite&&(this.sprite=new ImageSprite(t.sprite),this.sprite.setEventedParent(this)),this.glyphSource=new GlyphSource(t.glyphs),this._resolve(),this.fire("data",{dataType:"style"}),this.fire("style.load")}}.bind(this);"string"==typeof e?ajax.getJSON(mapbox.normalizeStyleURL(e),s):browser.frame(s.bind(this,null,e)),this.on("source.load",function(e){var t=e.source;if(t&&t.vectorLayerIds)for(var r in this._layers){var s=this._layers[r];s.source===t.id&&this._validateLayer(s)}})}var Evented=require("../util/evented"),StyleLayer=require("./style_layer"),ImageSprite=require("./image_sprite"),Light=require("./light"),GlyphSource=require("../symbol/glyph_source"),SpriteAtlas=require("../symbol/sprite_atlas"),LineAtlas=require("../render/line_atlas"),util=require("../util/util"),ajax=require("../util/ajax"),mapbox=require("../util/mapbox"),browser=require("../util/browser"),Dispatcher=require("../util/dispatcher"),AnimationLoop=require("./animation_loop"),validateStyle=require("./validate_style"),Source=require("../source/source"),QueryFeatures=require("../source/query_features"),SourceCache=require("../source/source_cache"),styleSpec=require("./style_spec"),StyleFunction=require("./style_function"),getWorkerPool=require("../global_worker_pool");module.exports=Style,Style.prototype=util.inherit(Evented,{_loaded:!1,_validateLayer:function(e){var t=this.sourceCaches[e.source];if(e.sourceLayer&&t){var r=t.getSource();r.vectorLayerIds&&r.vectorLayerIds.indexOf(e.sourceLayer)===-1&&this.fire("error",{error:new Error('Source layer "'+e.sourceLayer+'" does not exist on source "'+r.id+'" as specified by style layer "'+e.id+'"')})}},loaded:function(){if(!this._loaded)return!1;if(Object.keys(this._updates.sources).length)return!1;for(var e in this.sourceCaches)if(!this.sourceCaches[e].loaded())return!1;return!(this.sprite&&!this.sprite.loaded())},_resolve:function(){var e,t;this._layers={},this._order=this.stylesheet.layers.map(function(e){return e.id});for(var r=0;r<this.stylesheet.layers.length;r++)t=this.stylesheet.layers[r],t.ref||(e=StyleLayer.create(t),this._layers[e.id]=e,e.setEventedParent(this,{layer:{id:e.id}}));for(var s=0;s<this.stylesheet.layers.length;s++)if(t=this.stylesheet.layers[s],t.ref){var i=this.getLayer(t.ref);e=StyleLayer.create(t,i),this._layers[e.id]=e,e.setEventedParent(this,{layer:{id:e.id}})}this._groupLayers(),this._updateWorkerLayers(),this.light=new Light(this.stylesheet.light)},_groupLayers:function(){var e;this._groups=[];for(var t=0;t<this._order.length;++t){var r=this._layers[this._order[t]];e&&r.source===e.source||(e=[],e.source=r.source,this._groups.push(e)),e.push(r)}},_updateWorkerLayers:function(e){this.dispatcher.broadcast(e?"update layers":"set layers",this._serializeLayers(e))},_serializeLayers:function(e){e=e||this._order;for(var t=[],r={includeRefProperties:!0},s=0;s<e.length;s++)t.push(this._layers[e[s]].serialize(r));return t},_applyClasses:function(e,t){if(this._loaded){e=e||[],t=t||{transition:!0};var r=this.stylesheet.transition||{},s=this._updates.allPaintProps?this._layers:this._updates.paintProps;for(var i in s){var a=this._layers[i],o=this._updates.paintProps[i];if(this._updates.allPaintProps||o.all)a.updatePaintTransitions(e,t,r,this.animationLoop);else for(var h in o)this._layers[i].updatePaintTransition(h,e,t,r,this.animationLoop)}this.light.updateLightTransitions(t,r,this.animationLoop)}},_recalculate:function(e){if(this._loaded){for(var t in this.sourceCaches)this.sourceCaches[t].used=!1;this._updateZoomHistory(e),this.rasterFadeDuration=300;for(var r in this._layers){var s=this._layers[r];s.recalculate(e,this.zoomHistory),!s.isHidden(e)&&s.source&&(this.sourceCaches[s.source].used=!0)}this.light.recalculate(e,this.zoomHistory);var i=300;Math.floor(this.z)!==Math.floor(e)&&this.animationLoop.set(i),this.z=e}},_updateZoomHistory:function(e){var t=this.zoomHistory;void 0===t.lastIntegerZoom&&(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=0,t.lastZoom=e),Math.floor(t.lastZoom)<Math.floor(e)?(t.lastIntegerZoom=Math.floor(e),t.lastIntegerZoomTime=Date.now()):Math.floor(t.lastZoom)>Math.floor(e)&&(t.lastIntegerZoom=Math.floor(e+1),t.lastIntegerZoomTime=Date.now()),t.lastZoom=e},_checkLoaded:function(){if(!this._loaded)throw new Error("Style is not done loading")},update:function(e,t){if(!this._updates.changed)return this;if(this._updates.allLayers)this._groupLayers(),this._updateWorkerLayers();else{var r=Object.keys(this._updates.layers);r.length&&this._updateWorkerLayers(r)}var s,i=Object.keys(this._updates.sources);for(s=0;s<i.length;s++)this._reloadSource(i[s]);for(s=0;s<this._updates.events.length;s++){var a=this._updates.events[s];this.fire(a[0],a[1])}return this._applyClasses(e,t),this._updates.changed&&this.fire("data",{dataType:"style"}),this._resetUpdates(),this},_resetUpdates:function(){this._updates={events:[],layers:{},sources:{},paintProps:{}}},addSource:function(e,t,r){if(this._checkLoaded(),void 0!==this.sourceCaches[e])throw new Error("There is already a source with this ID");if(!t.type)throw new Error("The type property must be defined, but the only the following properties were given: "+Object.keys(t)+".");var s=["vector","raster","geojson","video","image"],i=s.indexOf(t.type)>=0;return i&&this._validate(validateStyle.source,"sources."+e,t,null,r)?this:(t=new SourceCache(e,t,this.dispatcher),this.sourceCaches[e]=t,t.style=this,t.setEventedParent(this,{source:t.getSource()}),t.onAdd&&t.onAdd(this.map),this._updates.changed=!0,this)},removeSource:function(e){if(this._checkLoaded(),void 0===this.sourceCaches[e])throw new Error("There is no source with this ID");var t=this.sourceCaches[e];return delete this.sourceCaches[e],delete this._updates.sources[e],t.setEventedParent(null),t.clearTiles(),t.onRemove&&t.onRemove(this.map),this._updates.changed=!0,this},getSource:function(e){return this.sourceCaches[e]&&this.sourceCaches[e].getSource()},addLayer:function(e,t,r){if(this._checkLoaded(),!(e instanceof StyleLayer)){if(this._validate(validateStyle.layer,"layers."+e.id,e,{arrayIndex:-1},r))return this;var s=e.ref&&this.getLayer(e.ref);e=StyleLayer.create(e,s)}return this._validateLayer(e),e.setEventedParent(this,{layer:{id:e.id}}),this._layers[e.id]=e,this._order.splice(t?this._order.indexOf(t):1/0,0,e.id),this._updates.allLayers=!0,e.source&&(this._updates.sources[e.source]=!0),this.updateClasses(e.id)},removeLayer:function(e){this._checkLoaded();var t=this._layers[e];if(void 0===t)throw new Error("There is no layer with this ID");for(var r in this._layers)this._layers[r].ref===e&&this.removeLayer(r);return t.setEventedParent(null),delete this._layers[e],delete this._updates.layers[e],delete this._updates.paintProps[e],this._order.splice(this._order.indexOf(e),1),this._updates.allLayers=!0,this._updates.changed=!0,this},getLayer:function(e){return this._layers[e]},getReferentLayer:function(e){var t=this.getLayer(e);return t.ref&&(t=this.getLayer(t.ref)),t},setLayerZoomRange:function(e,t,r){this._checkLoaded();var s=this.getReferentLayer(e);return s.minzoom===t&&s.maxzoom===r?this:(null!=t&&(s.minzoom=t),null!=r&&(s.maxzoom=r),this._updateLayer(s))},setFilter:function(e,t){this._checkLoaded();var r=this.getReferentLayer(e);return null!==t&&this._validate(validateStyle.filter,"layers."+r.id+".filter",t)?this:util.deepEqual(r.filter,t)?this:(r.filter=util.clone(t),this._updateLayer(r))},getFilter:function(e){return util.clone(this.getReferentLayer(e).filter)},setLayoutProperty:function(e,t,r){this._checkLoaded();var s=this.getReferentLayer(e);return util.deepEqual(s.getLayoutProperty(t),r)?this:(s.setLayoutProperty(t,r),this._updateLayer(s))},getLayoutProperty:function(e,t){return this.getReferentLayer(e).getLayoutProperty(t)},setPaintProperty:function(e,t,r,s){this._checkLoaded();var i=this.getLayer(e);if(util.deepEqual(i.getPaintProperty(t,s),r))return this;var a=i.isPaintValueFeatureConstant(t);i.setPaintProperty(t,r,s);var o=!(r&&StyleFunction.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property);return o&&a||(this._updates.layers[e]=!0,i.source&&(this._updates.sources[i.source]=!0)),this.updateClasses(e,t)},getPaintProperty:function(e,t,r){return this.getLayer(e).getPaintProperty(t,r)},updateClasses:function(e,t){if(this._updates.changed=!0,e){var r=this._updates.paintProps;r[e]||(r[e]={}),r[e][t||"all"]=!0}else this._updates.allPaintProps=!0;return this},serialize:function(){return util.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,light:this.stylesheet.light,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:util.mapObject(this.sourceCaches,function(e){return e.serialize()}),layers:this._order.map(function(e){return this._layers[e].serialize()},this)},function(e){return void 0!==e})},_updateLayer:function(e){return this._updates.layers[e.id]=!0,e.source&&(this._updates.sources[e.source]=!0),this._updates.changed=!0,this},_flattenRenderedFeatures:function(e){for(var t=[],r=this._order.length-1;r>=0;r--)for(var s=this._order[r],i=0;i<e.length;i++){var a=e[i][s];if(a)for(var o=0;o<a.length;o++)t.push(a[o])}return t},queryRenderedFeatures:function(e,t,r,s){t&&t.filter&&this._validate(validateStyle.filter,"queryRenderedFeatures.filter",t.filter);var i={};if(t&&t.layers)for(var a=0;a<t.layers.length;a++){var o=this._layers[t.layers[a]];if(!(o instanceof StyleLayer))return this.fire("error",{error:"The layer '"+t.layers[a]+"' does not exist in the map's style and cannot be queried for features."});i[o.source]=!0}var h=[];for(var n in this.sourceCaches)if(!t.layers||i[n]){var l=this.sourceCaches[n],u=QueryFeatures.rendered(l,this._layers,e,t,r,s);h.push(u)}return this._flattenRenderedFeatures(h)},querySourceFeatures:function(e,t){t&&t.filter&&this._validate(validateStyle.filter,"querySourceFeatures.filter",t.filter);var r=this.sourceCaches[e];return r?QueryFeatures.source(r,t):[]},addSourceType:function(e,t,r){return Source.getType(e)?r(new Error('A source type called "'+e+'" already exists.')):(Source.setType(e,t),t.workerSourceURL?void this.dispatcher.broadcast("load worker source",{name:e,url:t.workerSourceURL},r):r(null,null))},getLight:function(){return this.light.getLight()},setLight:function(e,t){this._checkLoaded();var r=this.light.getLight(),s=!1;for(var i in e)if(!util.deepEqual(e[i],r[i])){s=!0;break}if(!s)return this;var a=this.stylesheet.transition||{};return this.light.setLight(e),this.light.updateLightTransitions(t||{transition:!0},a,this.animationLoop)},_validate:function(e,t,r,s,i){return(!i||i.validate!==!1)&&validateStyle.emitErrors(this,e.call(validateStyle,util.extend({key:t,style:this.serialize(),value:r,styleSpec:styleSpec},s)))},_remove:function(){for(var e in this.sourceCaches)this.sourceCaches[e].clearTiles();this.dispatcher.remove()},_reloadSource:function(e){this.sourceCaches[e].reload()},_updateSources:function(e){for(var t in this.sourceCaches)this.sourceCaches[t].update(e)},_redoPlacement:function(){for(var e in this.sourceCaches)this.sourceCaches[e].redoPlacement&&this.sourceCaches[e].redoPlacement()},"get icons":function(e,t,r){var s=this.sprite,i=this.spriteAtlas;s.loaded()?(i.setSprite(s),i.addIcons(t.icons,r)):s.on("data",function(){i.setSprite(s),i.addIcons(t.icons,r)})},"get glyphs":function(e,t,r){function s(e,t,s){e&&console.error(e),o[s]=t,a--,0===a&&r(null,o)}var i=t.stacks,a=Object.keys(i).length,o={};for(var h in i)this.glyphSource.getSimpleGlyphs(h,i[h],t.uid,s)}});
},{"../global_worker_pool":16,"../render/line_atlas":30,"../source/query_features":41,"../source/source":43,"../source/source_cache":44,"../symbol/glyph_source":77,"../symbol/sprite_atlas":82,"../util/ajax":104,"../util/browser":105,"../util/dispatcher":111,"../util/evented":113,"../util/mapbox":119,"../util/util":122,"./animation_loop":52,"./image_sprite":53,"./light":54,"./style_function":58,"./style_layer":59,"./style_spec":66,"./validate_style":68}],57:[function(require,module,exports){
"use strict";function StyleDeclaration(t,o){this.value=util.clone(o),this.isFunction=MapboxGLFunction.isFunctionDefinition(o),this.json=JSON.stringify(this.value);var e="color"===t.type&&this.value?parseColor(this.value):o,a=t.default;if(a&&"color"===t.type&&(a=parseColor(a)),this.calculate=MapboxGLFunction[t.function||"piecewise-constant"](e),this.isFeatureConstant=this.calculate.isFeatureConstant,this.isZoomConstant=this.calculate.isZoomConstant,"color"===t.type&&(this.calculate=wrapColorCalculate(this.calculate)),"piecewise-constant"===t.function&&t.transition&&(this.calculate=wrapTransitionedCalculate(this.calculate)),!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var i=[],s=this.value.stops,n=0;n<this.value.stops.length;n++){var l=s[n][0].zoom;this.stopZoomLevels.indexOf(l)<0&&(this.stopZoomLevels.push(l),i.push([l,i.length]))}this.calculateInterpolationT=MapboxGLFunction.interpolated({stops:i,base:o.base,colorSpace:o.colorSpace})}}function wrapColorCalculate(t){return function(o,e){var a=t(o,e);return a&&parseColor(a)}}function wrapTransitionedCalculate(t){return function(o,e){var a,i,s,n=o.zoom,l=o.zoomHistory,r=o.duration,c=n%1,u=Math.min((Date.now()-l.lastIntegerZoomTime)/r,1),p=1,h=1;return n>l.lastIntegerZoom?(a=c+(1-c)*u,p*=2,i=t({zoom:n-1},e),s=t({zoom:n},e)):(a=1-(1-u)*c,s=t({zoom:n},e),i=t({zoom:n+1},e),p/=2),void 0===i||void 0===s?void 0:{from:i,fromScale:p,to:s,toScale:h,t:a}}}var MapboxGLFunction=require("./style_function"),parseColor=require("./parse_color"),util=require("../util/util");module.exports=StyleDeclaration;
},{"../util/util":122,"./parse_color":55,"./style_function":58}],58:[function(require,module,exports){
"use strict";var MapboxGLFunction=require("mapbox-gl-function");exports.interpolated=function(n,t){var o=MapboxGLFunction.interpolated(n,t),i=function(n,t){return o(n&&n.zoom,t||{})};return i.isFeatureConstant=o.isFeatureConstant,i.isZoomConstant=o.isZoomConstant,i},exports["piecewise-constant"]=function(n,t){var o=MapboxGLFunction["piecewise-constant"](n,t),i=function(n,t){return o(n&&n.zoom,t||{})};return i.isFeatureConstant=o.isFeatureConstant,i.isZoomConstant=o.isZoomConstant,i},exports.isFunctionDefinition=MapboxGLFunction.isFunctionDefinition;
},{"mapbox-gl-function":162}],59:[function(require,module,exports){
"use strict";function StyleLayer(t,i){this.set(t,i)}function getDeclarationValue(t){return t.value}var util=require("../util/util"),StyleTransition=require("./style_transition"),StyleDeclaration=require("./style_declaration"),styleSpec=require("./style_spec"),validateStyle=require("./validate_style"),parseColor=require("./parse_color"),Evented=require("../util/evented");module.exports=StyleLayer;var TRANSITION_SUFFIX="-transition";StyleLayer.prototype=util.inherit(Evented,{set:function(t,i){this.id=t.id,this.ref=t.ref,this.metadata=t.metadata,this.type=(i||t).type,this.source=(i||t).source,this.sourceLayer=(i||t)["source-layer"],this.minzoom=(i||t).minzoom,this.maxzoom=(i||t).maxzoom,this.filter=(i||t).filter,this.paint={},this.layout={},this._paintSpecifications=styleSpec["paint_"+this.type],this._layoutSpecifications=styleSpec["layout_"+this.type],this._paintTransitions={},this._paintTransitionOptions={},this._paintDeclarations={},this._layoutDeclarations={},this._layoutFunctions={};var a,e,n={validate:!1};for(var s in t){var o=s.match(/^paint(?:\.(.*))?$/);if(o){var r=o[1]||"";for(a in t[s])this.setPaintProperty(a,t[s][a],r,n)}}if(this.ref)this._layoutDeclarations=i._layoutDeclarations;else for(e in t.layout)this.setLayoutProperty(e,t.layout[e],n);for(a in this._paintSpecifications)this.paint[a]=this.getPaintValue(a);for(e in this._layoutSpecifications)this._updateLayoutValue(e)},setLayoutProperty:function(t,i,a){if(null==i)delete this._layoutDeclarations[t];else{var e="layers."+this.id+".layout."+t;if(this._validate(validateStyle.layoutProperty,e,t,i,a))return;this._layoutDeclarations[t]=new StyleDeclaration(this._layoutSpecifications[t],i)}this._updateLayoutValue(t)},getLayoutProperty:function(t){return this._layoutDeclarations[t]&&this._layoutDeclarations[t].value},getLayoutValue:function(t,i,a){var e=this._layoutSpecifications[t],n=this._layoutDeclarations[t];return n?n.calculate(i,a):e.default},setPaintProperty:function(t,i,a,e){var n="layers."+this.id+(a?'["paint.'+a+'"].':".paint.")+t;if(util.endsWith(t,TRANSITION_SUFFIX))if(this._paintTransitionOptions[a||""]||(this._paintTransitionOptions[a||""]={}),null===i||void 0===i)delete this._paintTransitionOptions[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintTransitionOptions[a||""][t]=i}else if(this._paintDeclarations[a||""]||(this._paintDeclarations[a||""]={}),null===i||void 0===i)delete this._paintDeclarations[a||""][t];else{if(this._validate(validateStyle.paintProperty,n,t,i,e))return;this._paintDeclarations[a||""][t]=new StyleDeclaration(this._paintSpecifications[t],i)}},getPaintProperty:function(t,i){return i=i||"",util.endsWith(t,TRANSITION_SUFFIX)?this._paintTransitionOptions[i]&&this._paintTransitionOptions[i][t]:this._paintDeclarations[i]&&this._paintDeclarations[i][t]&&this._paintDeclarations[i][t].value},getPaintValue:function(t,i,a){var e=this._paintSpecifications[t],n=this._paintTransitions[t];return n?n.calculate(i,a):"color"===e.type&&e.default?parseColor(e.default):e.default},getPaintValueStopZoomLevels:function(t){var i=this._paintTransitions[t];return i?i.declaration.stopZoomLevels:[]},getPaintInterpolationT:function(t,i){var a=this._paintTransitions[t];return a.declaration.calculateInterpolationT({zoom:i})},isPaintValueFeatureConstant:function(t){var i=this._paintTransitions[t];return!i||i.declaration.isFeatureConstant},isLayoutValueFeatureConstant:function(t){var i=this._layoutDeclarations[t];return!i||i.isFeatureConstant},isPaintValueZoomConstant:function(t){var i=this._paintTransitions[t];return!i||i.declaration.isZoomConstant},isHidden:function(t){return!!(this.minzoom&&t<this.minzoom)||(!!(this.maxzoom&&t>=this.maxzoom)||"none"===this.layout.visibility)},updatePaintTransitions:function(t,i,a,e){for(var n=util.extend({},this._paintDeclarations[""]),s=0;s<t.length;s++)util.extend(n,this._paintDeclarations[t[s]]);var o;for(o in n)this._applyPaintDeclaration(o,n[o],i,a,e);for(o in this._paintTransitions)o in n||this._applyPaintDeclaration(o,null,i,a,e)},updatePaintTransition:function(t,i,a,e,n){for(var s=this._paintDeclarations[""][t],o=0;o<i.length;o++){var r=this._paintDeclarations[i[o]];r&&r[t]&&(s=r[t])}this._applyPaintDeclaration(t,s,a,e,n)},recalculate:function(t,i){for(var a in this._paintTransitions)this.paint[a]=this.getPaintValue(a,{zoom:t,zoomHistory:i});for(var e in this._layoutFunctions)this.layout[e]=this.getLayoutValue(e,{zoom:t,zoomHistory:i})},serialize:function(t){var i={id:this.id,ref:this.ref,metadata:this.metadata,minzoom:this.minzoom,maxzoom:this.maxzoom};for(var a in this._paintDeclarations){var e=""===a?"paint":"paint."+a;i[e]=util.mapObject(this._paintDeclarations[a],getDeclarationValue)}return(!this.ref||t&&t.includeRefProperties)&&util.extend(i,{type:this.type,source:this.source,"source-layer":this.sourceLayer,filter:this.filter,layout:util.mapObject(this._layoutDeclarations,getDeclarationValue)}),util.filterObject(i,function(t,i){return void 0!==t&&!("layout"===i&&!Object.keys(t).length)})},_applyPaintDeclaration:function(t,i,a,e,n){var s=a.transition?this._paintTransitions[t]:void 0,o=this._paintSpecifications[t];if(null!==i&&void 0!==i||(i=new StyleDeclaration(o,o.default)),!s||s.declaration.json!==i.json){var r=util.extend({duration:300,delay:0},e,this.getPaintProperty(t+TRANSITION_SUFFIX)),l=this._paintTransitions[t]=new StyleTransition(o,i,s,r);l.instant()||(l.loopID=n.set(l.endTime-Date.now())),s&&n.cancel(s.loopID)}},_updateLayoutValue:function(t){var i=this._layoutDeclarations[t];i&&i.isFunction?this._layoutFunctions[t]=!0:(delete this._layoutFunctions[t],this.layout[t]=this.getLayoutValue(t))},_validate:function(t,i,a,e,n){return(!n||n.validate!==!1)&&validateStyle.emitErrors(this,t.call(validateStyle,{key:i,layerType:this.type,objectKey:a,value:e,styleSpec:styleSpec,style:{glyphs:!0,sprite:!0}}))}});var Classes={background:require("./style_layer/background_style_layer"),circle:require("./style_layer/circle_style_layer"),fill:require("./style_layer/fill_style_layer"),line:require("./style_layer/line_style_layer"),raster:require("./style_layer/raster_style_layer"),symbol:require("./style_layer/symbol_style_layer")};StyleLayer.create=function(t,i){return new Classes[(i||t).type](t,i)};
},{"../util/evented":113,"../util/util":122,"./parse_color":55,"./style_declaration":57,"./style_layer/background_style_layer":60,"./style_layer/circle_style_layer":61,"./style_layer/fill_style_layer":62,"./style_layer/line_style_layer":63,"./style_layer/raster_style_layer":64,"./style_layer/symbol_style_layer":65,"./style_spec":66,"./style_transition":67,"./validate_style":68}],60:[function(require,module,exports){
"use strict";function BackgroundStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=BackgroundStyleLayer,BackgroundStyleLayer.prototype=util.inherit(StyleLayer,{});
},{"../../util/util":122,"../style_layer":59}],61:[function(require,module,exports){
"use strict";function CircleStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=CircleStyleLayer,CircleStyleLayer.prototype=util.inherit(StyleLayer,{});
},{"../../util/util":122,"../style_layer":59}],62:[function(require,module,exports){
"use strict";function FillStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");FillStyleLayer.prototype=util.inherit(StyleLayer,{getPaintValue:function(t,l,e){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.getPaintValue.call(this,"fill-color",l,e):StyleLayer.prototype.getPaintValue.call(this,t,l,e)},getPaintValueStopZoomLevels:function(t){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.getPaintValueStopZoomLevels.call(this,"fill-color"):StyleLayer.prototype.getPaintValueStopZoomLevels.call(this,t)},getPaintInterpolationT:function(t,l){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.getPaintInterpolationT.call(this,"fill-color",l):StyleLayer.prototype.getPaintInterpolationT.call(this,t,l)},isPaintValueFeatureConstant:function(t){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.isPaintValueFeatureConstant.call(this,"fill-color"):StyleLayer.prototype.isPaintValueFeatureConstant.call(this,t)},isPaintValueZoomConstant:function(t){return"fill-outline-color"===t&&void 0===this.getPaintProperty("fill-outline-color")?StyleLayer.prototype.isPaintValueZoomConstant.call(this,"fill-color"):StyleLayer.prototype.isPaintValueZoomConstant.call(this,t)}}),module.exports=FillStyleLayer;
},{"../../util/util":122,"../style_layer":59}],63:[function(require,module,exports){
"use strict";function LineStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=LineStyleLayer,LineStyleLayer.prototype=util.inherit(StyleLayer,{getPaintValue:function(e,t,i){var r=StyleLayer.prototype.getPaintValue.apply(this,arguments);if(r&&"line-dasharray"===e){var l=Math.floor(t.zoom);this._flooredZoom!==l&&(this._flooredZoom=l,this._flooredLineWidth=this.getPaintValue("line-width",t,i)),r.fromScale*=this._flooredLineWidth,r.toScale*=this._flooredLineWidth}return r}});
},{"../../util/util":122,"../style_layer":59}],64:[function(require,module,exports){
"use strict";function RasterStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=RasterStyleLayer,RasterStyleLayer.prototype=util.inherit(StyleLayer,{});
},{"../../util/util":122,"../style_layer":59}],65:[function(require,module,exports){
"use strict";function SymbolStyleLayer(){StyleLayer.apply(this,arguments)}var util=require("../../util/util"),StyleLayer=require("../style_layer");module.exports=SymbolStyleLayer,SymbolStyleLayer.prototype=util.inherit(StyleLayer,{getLayoutValue:function(t,e,a){var l=StyleLayer.prototype.getLayoutValue.apply(this,arguments);if("auto"!==l)return l;switch(t){case"text-rotation-alignment":case"icon-rotation-alignment":return"line"===this.getLayoutValue("symbol-placement",e,a)?"map":"viewport";case"text-pitch-alignment":return this.getLayoutValue("text-rotation-alignment",e,a);default:return l}}});
},{"../../util/util":122,"../style_layer":59}],66:[function(require,module,exports){
"use strict";module.exports=require("mapbox-gl-style-spec/reference/latest.min");
},{"mapbox-gl-style-spec/reference/latest.min":186}],67:[function(require,module,exports){
"use strict";function StyleTransition(t,i,e,n){this.declaration=i,this.startTime=this.endTime=(new Date).getTime(),"piecewise-constant"===t.function&&t.transition?this.interp=interpZoomTransitioned:this.interp=interpolate[t.type],this.oldTransition=e,this.duration=n.duration||0,this.delay=n.delay||0,this.instant()||(this.endTime=this.startTime+this.duration+this.delay,this.ease=util.easeCubicInOut),e&&e.endTime<=this.startTime&&delete e.oldTransition}function interpZoomTransitioned(t,i,e){return void 0===(t&&t.to)||void 0===(i&&i.to)?void 0:{from:t.to,fromScale:t.toScale,to:i.to,toScale:i.toScale,t:e}}var util=require("../util/util"),interpolate=require("../util/interpolate");module.exports=StyleTransition,StyleTransition.prototype.instant=function(){return!this.oldTransition||!this.interp||0===this.duration&&0===this.delay},StyleTransition.prototype.calculate=function(t,i){var e=this.declaration.calculate(util.extend({},t,{duration:this.duration}),i);if(this.instant())return e;var n=t.time||Date.now();if(n<this.endTime){var a=this.oldTransition.calculate(util.extend({},t,{time:this.startTime}),i),o=this.ease((n-this.startTime-this.delay)/this.duration);e=this.interp(a,e,o)}return e};
},{"../util/interpolate":116,"../util/util":122}],68:[function(require,module,exports){
"use strict";module.exports=require("mapbox-gl-style-spec/lib/validate_style.min"),module.exports.emitErrors=function(r,e){if(e&&e.length){for(var t=0;t<e.length;t++)r.fire("error",{error:new Error(e[t].message)});return!0}return!1};
},{"mapbox-gl-style-spec/lib/validate_style.min":185}],69:[function(require,module,exports){
"use strict";function Anchor(t,e,o,n){this.x=t,this.y=e,this.angle=o,void 0!==n&&(this.segment=n)}var Point=require("point-geometry");module.exports=Anchor,Anchor.prototype=Object.create(Point.prototype),Anchor.prototype.clone=function(){return new Anchor(this.x,this.y,this.angle,this.segment)};
},{"point-geometry":192}],70:[function(require,module,exports){
"use strict";function checkMaxAngle(e,t,a,r,n){if(void 0===t.segment)return!0;for(var i=t,s=t.segment+1,f=0;f>-a/2;){if(s--,s<0)return!1;f-=e[s].dist(i),i=e[s]}f+=e[s].dist(e[s+1]),s++;for(var l=[],o=0;f<a/2;){var u=e[s-1],c=e[s],g=e[s+1];if(!g)return!1;var h=u.angleTo(c)-c.angleTo(g);for(h=Math.abs((h+3*Math.PI)%(2*Math.PI)-Math.PI),l.push({distance:f,angleDelta:h}),o+=h;f-l[0].distance>r;)o-=l.shift().angleDelta;if(o>n)return!1;s++,f+=c.dist(g)}return!0}module.exports=checkMaxAngle;
},{}],71:[function(require,module,exports){
"use strict";function clipLine(n,x,y,o,e){for(var r=[],t=0;t<n.length;t++)for(var i,u=n[t],d=0;d<u.length-1;d++){var P=u[d],w=u[d+1];P.x<x&&w.x<x||(P.x<x?P=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round():w.x<x&&(w=new Point(x,P.y+(w.y-P.y)*((x-P.x)/(w.x-P.x)))._round()),P.y<y&&w.y<y||(P.y<y?P=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round():w.y<y&&(w=new Point(P.x+(w.x-P.x)*((y-P.y)/(w.y-P.y)),y)._round()),P.x>=o&&w.x>=o||(P.x>=o?P=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round():w.x>=o&&(w=new Point(o,P.y+(w.y-P.y)*((o-P.x)/(w.x-P.x)))._round()),P.y>=e&&w.y>=e||(P.y>=e?P=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round():w.y>=e&&(w=new Point(P.x+(w.x-P.x)*((e-P.y)/(w.y-P.y)),e)._round()),i&&P.equals(i[i.length-1])||(i=[P],r.push(i)),i.push(w)))))}return r}var Point=require("point-geometry");module.exports=clipLine;
},{"point-geometry":192}],72:[function(require,module,exports){
"use strict";var StructArrayType=require("../util/struct_array"),util=require("../util/util"),Point=require("point-geometry"),CollisionBoxArray=module.exports=new StructArrayType({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"}]});util.extendAll(CollisionBoxArray.prototype.StructType.prototype,{get anchorPoint(){return new Point(this.anchorPointX,this.anchorPointY)}});
},{"../util/struct_array":120,"../util/util":122,"point-geometry":192}],73:[function(require,module,exports){
"use strict";function CollisionFeature(t,e,i,o,s,n,a,l,r,d,u){var h=a.top*l-r,x=a.bottom*l+r,f=a.left*l-r,m=a.right*l+r;if(this.boxStartIndex=t.length,d){var _=x-h,b=m-f;if(_>0)if(_=Math.max(10*l,_),u){var c=e[i.segment+1].sub(e[i.segment])._unit()._mult(b),g=[i.sub(c),i.add(c)];this._addLineCollisionBoxes(t,g,i,0,b,_,o,s,n)}else this._addLineCollisionBoxes(t,e,i,i.segment,b,_,o,s,n)}else t.emplaceBack(i.x,i.y,f,h,m,x,1/0,o,s,n,0,0,0,0,0);this.boxEndIndex=t.length}module.exports=CollisionFeature,CollisionFeature.prototype._addLineCollisionBoxes=function(t,e,i,o,s,n,a,l,r){var d=n/2,u=Math.floor(s/d),h=-n/2,x=this.boxes,f=i,m=o+1,_=h;do{if(m--,m<0)return x;_-=e[m].dist(f),f=e[m]}while(_>-s/2);for(var b=e[m].dist(e[m+1]),c=0;c<u;c++){for(var g=-s/2+c*d;_+b<g;){if(_+=b,m++,m+1>=e.length)return x;b=e[m].dist(e[m+1])}var v=g-_,p=e[m],C=e[m+1],B=C.sub(p)._unit()._mult(v)._add(p)._round(),M=Math.max(Math.abs(g-h)-d/2,0),y=s/2/M;t.emplaceBack(B.x,B.y,-n/2,-n/2,n/2,n/2,y,a,l,r,0,0,0,0,0)}return x};
},{}],74:[function(require,module,exports){
"use strict";function CollisionTile(t,i,e){if("object"==typeof t){var r=t;e=i,t=r.angle,i=r.pitch,this.grid=new Grid(r.grid),this.ignoredGrid=new Grid(r.ignoredGrid)}else this.grid=new Grid(EXTENT,12,6),this.ignoredGrid=new Grid(EXTENT,12,0);this.angle=t,this.pitch=i;var a=Math.sin(t),o=Math.cos(t);if(this.rotationMatrix=[o,-a,a,o],this.reverseRotationMatrix=[o,a,-a,o],this.yStretch=1/Math.cos(i/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=e,0===e.length){e.emplaceBack();var n=32767;e.emplaceBack(0,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),e.emplaceBack(EXTENT,0,0,-n,0,n,n,0,0,0,0,0,0,0,0,0),e.emplaceBack(0,0,-n,0,n,0,n,0,0,0,0,0,0,0,0,0),e.emplaceBack(0,EXTENT,-n,0,n,0,n,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=e.get(0),this.edges=[e.get(1),e.get(2),e.get(3),e.get(4)]}var Point=require("point-geometry"),EXTENT=require("../data/bucket").EXTENT,Grid=require("grid-index");module.exports=CollisionTile,CollisionTile.prototype.serialize=function(){var t={angle:this.angle,pitch:this.pitch,grid:this.grid.toArrayBuffer(),ignoredGrid:this.ignoredGrid.toArrayBuffer()};return{data:t,transferables:[t.grid,t.ignoredGrid]}},CollisionTile.prototype.minScale=.25,CollisionTile.prototype.maxScale=2,CollisionTile.prototype.placeCollisionFeature=function(t,i,e){for(var r=this.collisionBoxArray,a=this.minScale,o=this.rotationMatrix,n=this.yStretch,l=t.boxStartIndex;l<t.boxEndIndex;l++){var s=r.get(l),h=s.anchorPoint._matMult(o),x=h.x,c=h.y,y=x+s.x1,d=c+s.y1*n,g=x+s.x2,m=c+s.y2*n;if(s.bbox0=y,s.bbox1=d,s.bbox2=g,s.bbox3=m,!i)for(var u=this.grid.query(y,d,g,m),p=0;p<u.length;p++){var S=r.get(u[p]),f=S.anchorPoint._matMult(o);if(a=this.getPlacementScale(a,h,s,f,S),a>=this.maxScale)return a}if(e){var v;if(this.angle){var M=this.reverseRotationMatrix,b=new Point(s.x1,s.y1).matMult(M),T=new Point(s.x2,s.y1).matMult(M),P=new Point(s.x1,s.y2).matMult(M),B=new Point(s.x2,s.y2).matMult(M);v=this.tempCollisionBox,v.anchorPointX=s.anchorPoint.x,v.anchorPointY=s.anchorPoint.y,v.x1=Math.min(b.x,T.x,P.x,B.x),v.y1=Math.min(b.y,T.x,P.x,B.x),v.x2=Math.max(b.x,T.x,P.x,B.x),v.y2=Math.max(b.y,T.x,P.x,B.x),v.maxScale=s.maxScale}else v=s;for(var C=0;C<this.edges.length;C++){var E=this.edges[C];if(a=this.getPlacementScale(a,s.anchorPoint,v,E.anchorPoint,E),a>=this.maxScale)return a}}}return a},CollisionTile.prototype.queryRenderedSymbols=function(t,i,e,r,a){var o={},n=[],l=this.collisionBoxArray,s=this.rotationMatrix,h=new Point(t,i)._matMult(s),x=this.tempCollisionBox;x.anchorX=h.x,x.anchorY=h.y,x.x1=0,x.y1=0,x.x2=e-t,x.y2=r-i,x.maxScale=a,a=x.maxScale;for(var c=[h.x+x.x1/a,h.y+x.y1/a*this.yStretch,h.x+x.x2/a,h.y+x.y2/a*this.yStretch],y=this.grid.query(c[0],c[1],c[2],c[3]),d=this.ignoredGrid.query(c[0],c[1],c[2],c[3]),g=0;g<d.length;g++)y.push(d[g]);for(var m=0;m<y.length;m++){var u=l.get(y[m]),p=u.sourceLayerIndex,S=u.featureIndex;if(void 0===o[p]&&(o[p]={}),!o[p][S]){var f=u.anchorPoint.matMult(s),v=this.getPlacementScale(this.minScale,h,x,f,u);v>=a&&(o[p][S]=!0,n.push(y[m]))}}return n},CollisionTile.prototype.getPlacementScale=function(t,i,e,r,a){var o=i.x-r.x,n=i.y-r.y,l=(a.x1-e.x2)/o,s=(a.x2-e.x1)/o,h=(a.y1-e.y2)*this.yStretch/n,x=(a.y2-e.y1)*this.yStretch/n;(isNaN(l)||isNaN(s))&&(l=s=1),(isNaN(h)||isNaN(x))&&(h=x=1);var c=Math.min(Math.max(l,s),Math.max(h,x)),y=a.maxScale,d=e.maxScale;return c>y&&(c=y),c>d&&(c=d),c>t&&c>=a.placementScale&&(t=c),t},CollisionTile.prototype.insertCollisionFeature=function(t,i,e){for(var r=e?this.ignoredGrid:this.grid,a=this.collisionBoxArray,o=t.boxStartIndex;o<t.boxEndIndex;o++){var n=a.get(o);n.placementScale=i,i<this.maxScale&&r.insert(o,n.bbox0,n.bbox1,n.bbox2,n.bbox3)}};
},{"../data/bucket":2,"grid-index":160,"point-geometry":192}],75:[function(require,module,exports){
"use strict";function getAnchors(e,r,t,n,a,l,o,i,h){var c=n?.6*l*o:0,s=Math.max(n?n.right-n.left:0,a?a.right-a.left:0),u=0===e[0].x||e[0].x===h||0===e[0].y||e[0].y===h;r-s*o<r/4&&(r=s*o+r/4);var g=2*l,p=u?r/2*i%r:(s/2+g)*o*i%r;return resample(e,p,r,c,t,s*o,u,!1,h)}function resample(e,r,t,n,a,l,o,i,h){for(var c=l/2,s=0,u=0;u<e.length-1;u++)s+=e[u].dist(e[u+1]);for(var g=0,p=r-t,x=[],f=0;f<e.length-1;f++){for(var v=e[f],m=e[f+1],A=v.dist(m),y=m.angleTo(v);p+t<g+A;){p+=t;var d=(p-g)/A,k=interpolate(v.x,m.x,d),q=interpolate(v.y,m.y,d);if(k>=0&&k<h&&q>=0&&q<h&&p-c>=0&&p+c<=s){var M=new Anchor(k,q,y,f)._round();n&&!checkMaxAngle(e,M,l,n,a)||x.push(M)}}g+=A}return i||x.length||o||(x=resample(e,g/2,t,n,a,l,o,!0,h)),x}var interpolate=require("../util/interpolate"),Anchor=require("../symbol/anchor"),checkMaxAngle=require("./check_max_angle");module.exports=getAnchors;
},{"../symbol/anchor":69,"../util/interpolate":116,"./check_max_angle":70}],76:[function(require,module,exports){
"use strict";function GlyphAtlas(){this.width=DEFAULT_SIZE,this.height=DEFAULT_SIZE,this.bin=new ShelfPack(this.width,this.height),this.index={},this.ids={},this.data=new Uint8Array(this.width*this.height)}var ShelfPack=require("shelf-pack"),util=require("../util/util"),SIZE_GROWTH_RATE=4,DEFAULT_SIZE=128,MAX_SIZE=2048;module.exports=GlyphAtlas,GlyphAtlas.prototype.getGlyphs=function(){var t,i,e,h={};for(var r in this.ids)t=r.split("#"),i=t[0],e=t[1],h[i]||(h[i]=[]),h[i].push(e);return h},GlyphAtlas.prototype.getRects=function(){var t,i,e,h={};for(var r in this.ids)t=r.split("#"),i=t[0],e=t[1],h[i]||(h[i]={}),h[i][e]=this.index[r];return h},GlyphAtlas.prototype.addGlyph=function(t,i,e,h){if(!e)return null;var r=i+"#"+e.id;if(this.index[r])return this.ids[r].indexOf(t)<0&&this.ids[r].push(t),this.index[r];if(!e.bitmap)return null;var s=e.width+2*h,a=e.height+2*h,n=1,E=s+2*n,T=a+2*n;E+=4-E%4,T+=4-T%4;var u=this.bin.packOne(E,T);if(u||(this.resize(),u=this.bin.packOne(E,T)),!u)return util.warnOnce("glyph bitmap overflow"),null;this.index[r]=u,this.ids[r]=[t];for(var l=this.data,d=e.bitmap,A=0;A<a;A++)for(var _=this.width*(u.y+A+n)+u.x+n,p=s*A,o=0;o<s;o++)l[_+o]=d[p+o];return this.dirty=!0,u},GlyphAtlas.prototype.resize=function(){var t=this.width,i=this.height;if(!(t>=MAX_SIZE||i>=MAX_SIZE)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=SIZE_GROWTH_RATE,this.height*=SIZE_GROWTH_RATE,this.bin.resize(this.width,this.height);for(var e=new ArrayBuffer(this.width*this.height),h=0;h<i;h++){var r=new Uint8Array(this.data.buffer,i*h,t),s=new Uint8Array(e,i*h*SIZE_GROWTH_RATE,t);s.set(r)}this.data=new Uint8Array(e)}},GlyphAtlas.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))},GlyphAtlas.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)};
},{"../util/util":122,"shelf-pack":194}],77:[function(require,module,exports){
"use strict";function GlyphSource(t){this.url=t&&normalizeURL(t),this.atlases={},this.stacks={},this.loading={}}function SimpleGlyph(t,e,l){var s=1;this.advance=t.advance,this.left=t.left-l-s,this.top=t.top+l+s,this.rect=e}function glyphUrl(t,e,l,s){return s=s||"abc",l.replace("{s}",s[t.length%s.length]).replace("{fontstack}",t).replace("{range}",e)}var normalizeURL=require("../util/mapbox").normalizeGlyphsURL,ajax=require("../util/ajax"),Glyphs=require("../util/glyphs"),GlyphAtlas=require("../symbol/glyph_atlas"),Protobuf=require("pbf");module.exports=GlyphSource,GlyphSource.prototype.getSimpleGlyphs=function(t,e,l,s){void 0===this.stacks[t]&&(this.stacks[t]={}),void 0===this.atlases[t]&&(this.atlases[t]=new GlyphAtlas);for(var a,i={},r=this.stacks[t],h=this.atlases[t],o=3,p={},n=0,u=0;u<e.length;u++){var y=e[u];if(a=Math.floor(y/256),r[a]){var c=r[a].glyphs[y],f=h.addGlyph(l,t,c,o);c&&(i[y]=new SimpleGlyph(c,f,o))}else void 0===p[a]&&(p[a]=[],n++),p[a].push(y)}n||s(void 0,i,t);var d=function(e,a,r){if(!e)for(var u=this.stacks[t][a]=r.stacks[0],y=0;y<p[a].length;y++){var c=p[a][y],f=u.glyphs[c],d=h.addGlyph(l,t,f,o);f&&(i[c]=new SimpleGlyph(f,d,o))}n--,n||s(void 0,i,t)}.bind(this);for(var g in p)this.loadRange(t,g,d)},GlyphSource.prototype.loadRange=function(t,e,l){if(256*e>65535)return l("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var s=this.loading[t];if(s[e])s[e].push(l);else{s[e]=[l];var a=256*e+"-"+(256*e+255),i=glyphUrl(t,a,this.url);ajax.getArrayBuffer(i,function(t,l){for(var a=!t&&new Glyphs(new Protobuf(l)),i=0;i<s[e].length;i++)s[e][i](t,e,a);delete s[e]})}},GlyphSource.prototype.getGlyphAtlas=function(t){return this.atlases[t]};
},{"../symbol/glyph_atlas":76,"../util/ajax":104,"../util/glyphs":115,"../util/mapbox":119,"pbf":190}],78:[function(require,module,exports){
"use strict";module.exports=function(e,t,n){function r(r){c.push(e[r]),f.push(n[r]),v.push(t[r]),h++}function u(e,t,n){var r=l[e];return delete l[e],l[t]=r,f[r][0].pop(),f[r][0]=f[r][0].concat(n[0]),r}function i(e,t,n){var r=a[t];return delete a[t],a[e]=r,f[r][0].shift(),f[r][0]=n[0].concat(f[r][0]),r}function o(e,t,n){var r=n?t[0][t[0].length-1]:t[0][0];return e+":"+r.x+":"+r.y}var s,a={},l={},c=[],f=[],v=[],h=0;for(s=0;s<e.length;s++){var p=n[s],d=t[s];if(d){var g=o(d,p),x=o(d,p,!0);if(g in l&&x in a&&l[g]!==a[x]){var m=i(g,x,p),y=u(g,x,f[m]);delete a[g],delete l[x],l[o(d,f[y],!0)]=y,f[m]=null}else g in l?u(g,x,p):x in a?i(g,x,p):(r(s),a[g]=h-1,l[x]=h-1)}else r(s)}return{features:c,textFeatures:v,geometries:f}};
},{}],79:[function(require,module,exports){
"use strict";function SymbolQuad(t,e,a,n,i,o,h,l,r,s){this.anchorPoint=t,this.tl=e,this.tr=a,this.bl=n,this.br=i,this.tex=o,this.anchorAngle=h,this.glyphAngle=l,this.minScale=r,this.maxScale=s}function getIconQuads(t,e,a,n,i,o,h,l,r){var s,c,m,u,g=e.image.rect,f=i.layout,x=1,y=e.left-x,P=y+g.w/e.image.pixelRatio,M=e.top-x,d=M+g.h/e.image.pixelRatio;if("none"!==f["icon-text-fit"]&&h){var p=P-y,v=d-M,w=f["text-size"]/24,S=h.left*w,b=h.right*w,I=h.top*w,Q=h.bottom*w,G=b-S,k=Q-I,q=f["icon-text-fit-padding"][0],A=f["icon-text-fit-padding"][1],R=f["icon-text-fit-padding"][2],_=f["icon-text-fit-padding"][3],z="width"===f["icon-text-fit"]?.5*(k-v):0,L="height"===f["icon-text-fit"]?.5*(G-p):0,V="width"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?G:p,j="height"===f["icon-text-fit"]||"both"===f["icon-text-fit"]?k:v;s=new Point(S+L-_,I+z-q),c=new Point(S+L+A+V,I+z-q),m=new Point(S+L+A+V,I+z+R+j),u=new Point(S+L-_,I+z+R+j)}else s=new Point(y,M),c=new Point(P,M),m=new Point(P,d),u=new Point(y,d);var B=i.getLayoutValue("icon-rotate",l,r)*Math.PI/180;if(o){var C=n[t.segment];if(t.y===C.y&&t.x===C.x&&t.segment+1<n.length){var D=n[t.segment+1];B+=Math.atan2(t.y-D.y,t.x-D.x)+Math.PI}else B+=Math.atan2(t.y-C.y,t.x-C.x)}if(B){var E=Math.sin(B),F=Math.cos(B),H=[F,-E,E,F];s=s.matMult(H),c=c.matMult(H),u=u.matMult(H),m=m.matMult(H)}return[new SymbolQuad(new Point(t.x,t.y),s,c,u,m,e.image.rect,0,0,minScale,1/0)]}function getGlyphQuads(t,e,a,n,i,o){for(var h=i.layout["text-rotate"]*Math.PI/180,l=i.layout["text-keep-upright"],r=e.positionedGlyphs,s=[],c=0;c<r.length;c++){var m=r[c],u=m.glyph;if(u){var g=u.rect;if(g){var f,x=(m.x+u.advance/2)*a,y=minScale;o?(f=[],y=getSegmentGlyphs(f,t,x,n,t.segment,!0),l&&(y=Math.min(y,getSegmentGlyphs(f,t,x,n,t.segment,!1)))):f=[{anchorPoint:new Point(t.x,t.y),offset:0,angle:0,maxScale:1/0,minScale:minScale}];for(var P=m.x+u.left,M=m.y-u.top,d=P+g.w,p=M+g.h,v=new Point(P,M),w=new Point(d,M),S=new Point(P,p),b=new Point(d,p),I=0;I<f.length;I++){var Q=f[I],G=v,k=w,q=S,A=b;if(h){var R=Math.sin(h),_=Math.cos(h),z=[_,-R,R,_];G=G.matMult(z),k=k.matMult(z),q=q.matMult(z),A=A.matMult(z)}var L=Math.max(Q.minScale,y),V=(t.angle+Q.offset+2*Math.PI)%(2*Math.PI),j=(Q.angle+Q.offset+2*Math.PI)%(2*Math.PI);s.push(new SymbolQuad(Q.anchorPoint,G,k,q,A,g,V,j,L,Q.maxScale))}}}}return s}function getSegmentGlyphs(t,e,a,n,i,o){var h=!o;a<0&&(o=!o),o&&i++;var l=new Point(e.x,e.y),r=n[i],s=1/0;a=Math.abs(a);for(var c=minScale;;){var m=l.dist(r),u=a/m,g=Math.atan2(r.y-l.y,r.x-l.x);if(o||(g+=Math.PI),t.push({anchorPoint:l,offset:h?Math.PI:0,minScale:u,maxScale:s,angle:(g+2*Math.PI)%(2*Math.PI)}),u<=c)break;for(l=r;l.equals(r);)if(i+=o?1:-1,r=n[i],!r)return u;var f=r.sub(l)._unit();l=l.sub(f._mult(m)),s=u}return c}var Point=require("point-geometry");module.exports={getIconQuads:getIconQuads,getGlyphQuads:getGlyphQuads,SymbolQuad:SymbolQuad};var minScale=.5;
},{"point-geometry":192}],80:[function(require,module,exports){
"use strict";function resolveText(e,r,o){for(var t=[],s=0,l=e.length;s<l;s++){var a=resolveTokens(e[s].properties,r["text-field"]);if(a){a=a.toString();var n=r["text-transform"];"uppercase"===n?a=a.toLocaleUpperCase():"lowercase"===n&&(a=a.toLocaleLowerCase());for(var v=0;v<a.length;v++)o[a.charCodeAt(v)]=!0;t[s]=a}else t[s]=null}return t}var resolveTokens=require("../util/token");module.exports=resolveText;
},{"../util/token":121}],81:[function(require,module,exports){
"use strict";function PositionedGlyph(i,t,n,e){this.codePoint=i,this.x=t,this.y=n,this.glyph=e||null}function Shaping(i,t,n,e,o,h){this.positionedGlyphs=i,this.text=t,this.top=n,this.bottom=e,this.left=o,this.right=h}function shapeText(i,t,n,e,o,h,a,s,r){var l=[],f=new Shaping(l,i,r[1],r[1],r[0],r[0]),c=-17,p=0,u=c;i=i.trim();for(var v=0;v<i.length;v++){var d=i.charCodeAt(v),g=t[d];(g||d===newLine)&&(l.push(new PositionedGlyph(d,p,u,g)),g&&(p+=g.advance+s))}return!!l.length&&(linewrap(f,t,e,n,o,h,a,r),f)}function linewrap(i,t,n,e,o,h,a,s){var r=null,l=0,f=0,c=0,p=0,u=i.positionedGlyphs;if(e)for(var v=0;v<u.length;v++){var d=u[v];if(d.x-=l,d.y+=n*c,null!==r&&(d.x>e||u[r].codePoint===newLine)){var g=u[r+1].x;p=Math.max(g,p);for(var x=r+1;x<=v;x++)u[x].y+=n,u[x].x-=g;if(a){var b=r;invisible[u[r].codePoint]&&b--,justifyLine(u,t,f,b,a)}f=r+1,r=null,l+=g,c++}breakable[d.codePoint]&&(r=v)}var w=u[u.length-1],y=w.x+t[w.codePoint].advance;p=Math.max(p,y);var P=(c+1)*n;justifyLine(u,t,f,u.length-1,a),align(u,a,o,h,p,n,c,s),i.top+=-h*P,i.bottom=i.top+P,i.left+=-o*p,i.right=i.left+p}function justifyLine(i,t,n,e,o){for(var h=t[i[e].codePoint].advance,a=(i[e].x+h)*o,s=n;s<=e;s++)i[s].x-=a}function align(i,t,n,e,o,h,a,s){for(var r=(t-n)*o+s[0],l=(-e*(a+1)+.5)*h+s[1],f=0;f<i.length;f++)i[f].x+=r,i[f].y+=l}function shapeIcon(i,t){if(!i||!i.rect)return null;var n=t["icon-offset"][0],e=t["icon-offset"][1],o=n-i.width/2,h=o+i.width,a=e-i.height/2,s=a+i.height;return new PositionedIcon(i,a,s,o,h)}function PositionedIcon(i,t,n,e,o){this.image=i,this.top=t,this.bottom=n,this.left=e,this.right=o}module.exports={shapeText:shapeText,shapeIcon:shapeIcon};var newLine=10,invisible={32:!0,8203:!0},breakable={32:!0,38:!0,43:!0,45:!0,47:!0,173:!0,183:!0,8203:!0,8208:!0,8211:!0};invisible[newLine]=breakable[newLine]=!0;
},{}],82:[function(require,module,exports){
"use strict";function SpriteAtlas(t,i){this.width=t,this.height=i,this.bin=new ShelfPack(t,i),this.images={},this.data=!1,this.texture=0,this.filter=0,this.pixelRatio=1,this.dirty=!0}function copyBitmap(t,i,e,h,a,s,r,o,l,p,n){var u,R,f=h*i+e,x=o*s+r;if(n)for(x-=s,R=-1;R<=p;R++,f=((R+p)%p+h)*i+e,x+=s)for(u=-1;u<=l;u++)a[x+u]=t[f+(u+l)%l];else for(R=0;R<p;R++,f+=i,x+=s)for(u=0;u<l;u++)a[x+u]=t[f+u]}function AtlasImage(t,i,e,h,a){this.rect=t,this.width=i,this.height=e,this.sdf=h,this.pixelRatio=a}var ShelfPack=require("shelf-pack"),browser=require("../util/browser"),util=require("../util/util");module.exports=SpriteAtlas,SpriteAtlas.prototype.allocateImage=function(t,i){t/=this.pixelRatio,i/=this.pixelRatio;var e=2,h=t+e+(4-(t+e)%4),a=i+e+(4-(i+e)%4),s=this.bin.packOne(h,a);return s?s:(util.warnOnce("SpriteAtlas out of space."),null)},SpriteAtlas.prototype.getImage=function(t,i){if(this.images[t])return this.images[t];if(!this.sprite)return null;var e=this.sprite.getSpritePosition(t);if(!e.width||!e.height)return null;var h=this.allocateImage(e.width,e.height);if(!h)return null;var a=new AtlasImage(h,e.width/e.pixelRatio,e.height/e.pixelRatio,e.sdf,e.pixelRatio/this.pixelRatio);return this.images[t]=a,this.copy(h,e,i),a},SpriteAtlas.prototype.getPosition=function(t,i){var e=this.getImage(t,i),h=e&&e.rect;if(!h)return null;var a=e.width*e.pixelRatio,s=e.height*e.pixelRatio,r=1;return{size:[e.width,e.height],tl:[(h.x+r)/this.width,(h.y+r)/this.height],br:[(h.x+r+a)/this.width,(h.y+r+s)/this.height]}},SpriteAtlas.prototype.allocate=function(){if(!this.data){var t=Math.floor(this.width*this.pixelRatio),i=Math.floor(this.height*this.pixelRatio);this.data=new Uint32Array(t*i);for(var e=0;e<this.data.length;e++)this.data[e]=0}},SpriteAtlas.prototype.copy=function(t,i,e){if(this.sprite.img.data){var h=new Uint32Array(this.sprite.img.data.buffer);this.allocate();var a=this.data,s=1;copyBitmap(h,this.sprite.img.width,i.x,i.y,a,this.width*this.pixelRatio,(t.x+s)*this.pixelRatio,(t.y+s)*this.pixelRatio,i.width,i.height,e),this.dirty=!0}},SpriteAtlas.prototype.setSprite=function(t){t&&(this.pixelRatio=browser.devicePixelRatio>1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},SpriteAtlas.prototype.addIcons=function(t,i){for(var e=0;e<t.length;e++)this.getImage(t[e]);i(null,this.images)},SpriteAtlas.prototype.bind=function(t,i){var e=!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),e=!0);var h=i?t.LINEAR:t.NEAREST;h!==this.filter&&(t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,h),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,h),this.filter=h),this.dirty&&(this.allocate(),e?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)};
},{"../util/browser":105,"../util/util":122,"shelf-pack":194}],83:[function(require,module,exports){
"use strict";var StructArrayType=require("../util/struct_array"),util=require("../util/util"),Point=require("point-geometry"),SymbolInstancesArray=module.exports=new StructArrayType({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"}]});util.extendAll(SymbolInstancesArray.prototype.StructType.prototype,{get anchorPoint(){return new Point(this.anchorPointX,this.anchorPointY)}});
},{"../util/struct_array":120,"../util/util":122,"point-geometry":192}],84:[function(require,module,exports){
"use strict";var StructArrayType=require("../util/struct_array"),util=require("../util/util"),Point=require("point-geometry"),SymbolQuad=require("./quads").SymbolQuad,SymbolQuadsArray=module.exports=new StructArrayType({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"}]});util.extendAll(SymbolQuadsArray.prototype.StructType.prototype,{get anchorPoint(){return new Point(this.anchorPointX,this.anchorPointY)},get SymbolQuad(){return new SymbolQuad(this.anchorPoint,new Point(this.tlX,this.tlY),new Point(this.trX,this.trY),new Point(this.blX,this.blY),new Point(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)}});
},{"../util/struct_array":120,"../util/util":122,"./quads":79,"point-geometry":192}],85:[function(require,module,exports){
"use strict";var DOM=require("../util/dom"),Point=require("point-geometry"),handlers={scrollZoom:require("./handler/scroll_zoom"),boxZoom:require("./handler/box_zoom"),dragRotate:require("./handler/drag_rotate"),dragPan:require("./handler/drag_pan"),keyboard:require("./handler/keyboard"),doubleClickZoom:require("./handler/dblclick_zoom"),touchZoomRotate:require("./handler/touch_zoom_rotate")};module.exports=function(e,t){function n(e){h("mouseout",e)}function o(t){e.stop(),E=DOM.mousePos(g,t),h("mousedown",t)}function r(t){var n=e.dragRotate&&e.dragRotate.isActive();p&&!n&&h("contextmenu",p),p=null,h("mouseup",t)}function u(t){if(!(e.dragPan&&e.dragPan.isActive()||e.dragRotate&&e.dragRotate.isActive())){for(var n=t.toElement||t.target;n&&n!==g;)n=n.parentNode;n===g&&h("mousemove",t)}}function a(t){e.stop(),f("touchstart",t),!t.touches||t.touches.length>1||(L?(clearTimeout(L),L=null,h("dblclick",t)):L=setTimeout(l,300))}function i(e){f("touchmove",e)}function c(e){f("touchend",e)}function d(e){f("touchcancel",e)}function l(){L=null}function s(e){var t=DOM.mousePos(g,e);t.equals(E)&&h("click",e)}function v(e){h("dblclick",e),e.preventDefault()}function m(e){p=e,e.preventDefault()}function h(t,n){var o=DOM.mousePos(g,n);return e.fire(t,{lngLat:e.unproject(o),point:o,originalEvent:n})}function f(t,n){var o=DOM.touchPos(g,n),r=o.reduce(function(e,t,n,o){return e.add(t.div(o.length))},new Point(0,0));return e.fire(t,{lngLat:e.unproject(r),point:r,lngLats:o.map(function(t){return e.unproject(t)},this),points:o,originalEvent:n})}var g=e.getCanvasContainer(),p=null,E=null,L=null;for(var b in handlers)e[b]=new handlers[b](e,t),t.interactive&&t[b]&&e[b].enable();g.addEventListener("mouseout",n,!1),g.addEventListener("mousedown",o,!1),g.addEventListener("mouseup",r,!1),g.addEventListener("mousemove",u,!1),g.addEventListener("touchstart",a,!1),g.addEventListener("touchend",c,!1),g.addEventListener("touchmove",i,!1),g.addEventListener("touchcancel",d,!1),g.addEventListener("click",s,!1),g.addEventListener("dblclick",v,!1),g.addEventListener("contextmenu",m,!1)};
},{"../util/dom":112,"./handler/box_zoom":92,"./handler/dblclick_zoom":93,"./handler/drag_pan":94,"./handler/drag_rotate":95,"./handler/keyboard":96,"./handler/scroll_zoom":97,"./handler/touch_zoom_rotate":98,"point-geometry":192}],86:[function(require,module,exports){
"use strict";var util=require("../util/util"),interpolate=require("../util/interpolate"),browser=require("../util/browser"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),Camera=module.exports=function(){};util.extend(Camera.prototype,{getCenter:function(){return this.transform.center},setCenter:function(t,i){return this.jumpTo({center:t},i),this},panBy:function(t,i,e){return this.panTo(this.transform.center,util.extend({offset:Point.convert(t).mult(-1)},i),e),this},panTo:function(t,i,e){return this.easeTo(util.extend({center:t},i),e)},getZoom:function(){return this.transform.zoom},setZoom:function(t,i){return this.jumpTo({zoom:t},i),this},zoomTo:function(t,i,e){return this.easeTo(util.extend({zoom:t},i),e)},zoomIn:function(t,i){return this.zoomTo(this.getZoom()+1,t,i),this},zoomOut:function(t,i){return this.zoomTo(this.getZoom()-1,t,i),this},getBearing:function(){return this.transform.bearing},setBearing:function(t,i){return this.jumpTo({bearing:t},i),this},rotateTo:function(t,i,e){return this.easeTo(util.extend({bearing:t},i),e)},resetNorth:function(t,i){return this.rotateTo(0,util.extend({duration:1e3},t),i),this},snapToNorth:function(t,i){return Math.abs(this.getBearing())<this._bearingSnap?this.resetNorth(t,i):this},getPitch:function(){return this.transform.pitch},setPitch:function(t,i){return this.jumpTo({pitch:t},i),this},fitBounds:function(t,i,e){i=util.extend({padding:0,offset:[0,0],maxZoom:1/0},i),t=LngLatBounds.convert(t);var n=Point.convert(i.offset),o=this.transform,r=o.project(t.getNorthWest()),s=o.project(t.getSouthEast()),a=s.sub(r),h=(o.width-2*i.padding-2*Math.abs(n.x))/a.x,u=(o.height-2*i.padding-2*Math.abs(n.y))/a.y;return i.center=o.unproject(r.add(s).div(2)),i.zoom=Math.min(o.scaleZoom(o.scale*Math.min(h,u)),i.maxZoom),i.bearing=0,i.linear?this.easeTo(i,e):this.flyTo(i,e)},jumpTo:function(t,i){this.stop();var e=this.transform,n=!1,o=!1,r=!1;return"zoom"in t&&e.zoom!==+t.zoom&&(n=!0,e.zoom=+t.zoom),"center"in t&&(e.center=LngLat.convert(t.center)),"bearing"in t&&e.bearing!==+t.bearing&&(o=!0,e.bearing=+t.bearing),"pitch"in t&&e.pitch!==+t.pitch&&(r=!0,e.pitch=+t.pitch),this.fire("movestart",i).fire("move",i),n&&this.fire("zoomstart",i).fire("zoom",i).fire("zoomend",i),o&&this.fire("rotate",i),r&&this.fire("pitch",i),this.fire("moveend",i)},easeTo:function(t,i){this.stop(),t=util.extend({offset:[0,0],duration:500,easing:util.ease},t);var e,n,o=this.transform,r=Point.convert(t.offset),s=this.getZoom(),a=this.getBearing(),h=this.getPitch(),u="zoom"in t?+t.zoom:s,c="bearing"in t?this._normalizeBearing(t.bearing,a):a,m="pitch"in t?+t.pitch:h;"center"in t?(e=LngLat.convert(t.center),n=o.centerPoint.add(r)):"around"in t?(e=LngLat.convert(t.around),n=o.locationPoint(e)):(n=o.centerPoint.add(r),e=o.pointLocation(n));var g=o.locationPoint(e);return t.animate===!1&&(t.duration=0),this.zooming=u!==s,this.rotating=a!==c,this.pitching=m!==h,t.smoothEasing&&0!==t.duration&&(t.easing=this._smoothOutEasing(t.duration)),t.noMoveStart||this.fire("movestart",i),this.zooming&&this.fire("zoomstart",i),clearTimeout(this._onEaseEnd),this._ease(function(t){this.zooming&&(o.zoom=interpolate(s,u,t)),this.rotating&&(o.bearing=interpolate(a,c,t)),this.pitching&&(o.pitch=interpolate(h,m,t)),o.setLocationAtPoint(e,g.add(n.sub(g)._mult(t))),this.fire("move",i),this.zooming&&this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){t.delayEndEvents?this._onEaseEnd=setTimeout(this._easeToEnd.bind(this,i),t.delayEndEvents):this._easeToEnd(i)}.bind(this),t),this},_easeToEnd:function(t){var i=this.zooming;this.zooming=!1,this.rotating=!1,this.pitching=!1,i&&this.fire("zoomend",t),this.fire("moveend",t)},flyTo:function(t,i){function e(t){var i=(M*M-_*_+(t?-1:1)*L*L*T*T)/(2*(t?M:_)*L*T);return Math.log(Math.sqrt(i*i+1)-i)}function n(t){return(Math.exp(t)-Math.exp(-t))/2}function o(t){return(Math.exp(t)+Math.exp(-t))/2}function r(t){return n(t)/o(t)}this.stop(),t=util.extend({offset:[0,0],speed:1.2,curve:1.42,easing:util.ease},t);var s=this.transform,a=Point.convert(t.offset),h=this.getZoom(),u=this.getBearing(),c=this.getPitch(),m="center"in t?LngLat.convert(t.center):this.getCenter(),g="zoom"in t?+t.zoom:h,f="bearing"in t?this._normalizeBearing(t.bearing,u):u,d="pitch"in t?+t.pitch:c;Math.abs(s.center.lng)+Math.abs(m.lng)>180&&(s.center.lng>0&&m.lng<0?m.lng+=360:s.center.lng<0&&m.lng>0&&(m.lng-=360));var p=s.zoomScale(g-h),l=s.point,v="center"in t?s.project(m).sub(a.div(p)):l,b=s.worldSize,z=t.curve,_=Math.max(s.width,s.height),M=_/p,T=v.sub(l).mag();if("minZoom"in t){var E=util.clamp(Math.min(t.minZoom,h,g),s.minZoom,s.maxZoom),x=_/s.zoomScale(E-h);z=Math.sqrt(x/T*2)}var L=z*z,P=e(0),Z=function(t){return o(P)/o(P+z*t)},B=function(t){return _*((o(P)*r(P+z*t)-n(P))/L)/T},j=(e(1)-P)/z;if(Math.abs(T)<1e-6){if(Math.abs(_-M)<1e-6)return this.easeTo(t);var q=M<_?-1:1;j=Math.abs(Math.log(M/_))/z,B=function(){return 0},Z=function(t){return Math.exp(q*z*t)}}if("duration"in t)t.duration=+t.duration;else{var w="screenSpeed"in t?+t.screenSpeed/z:+t.speed;t.duration=1e3*j/w}return this.zooming=!0,u!==f&&(this.rotating=!0),c!==d&&(this.pitching=!0),this.fire("movestart",i),this.fire("zoomstart",i),this._ease(function(t){var e=t*j,n=B(e);s.zoom=h+s.scaleZoom(1/Z(e)),s.center=s.unproject(l.add(v.sub(l).mult(n)),b),this.rotating&&(s.bearing=interpolate(u,f,t)),this.pitching&&(s.pitch=interpolate(c,d,t)),this.fire("move",i),this.fire("zoom",i),this.rotating&&this.fire("rotate",i),this.pitching&&this.fire("pitch",i)},function(){this.zooming=!1,this.rotating=!1,this.pitching=!1,this.fire("zoomend",i),this.fire("moveend",i)},t),this},isEasing:function(){return!!this._abortFn},stop:function(){return this._abortFn&&(this._abortFn(),this._finishEase()),this},_ease:function(t,i,e){this._finishFn=i,this._abortFn=browser.timed(function(i){t.call(this,e.easing(i)),1===i&&this._finishEase()},e.animate===!1?0:e.duration,this)},_finishEase:function(){delete this._abortFn;var t=this._finishFn;delete this._finishFn,t.call(this)},_normalizeBearing:function(t,i){t=util.wrap(t,-180,180);var e=Math.abs(t-i);return Math.abs(t-360-i)<e&&(t-=360),Math.abs(t+360-i)<e&&(t+=360),t},_smoothOutEasing:function(t){var i=util.ease;if(this._prevEase){var e=this._prevEase,n=(Date.now()-e.start)/e.duration,o=e.easing(n+.01)-e.easing(n),r=.27/Math.sqrt(o*o+1e-4)*.01,s=Math.sqrt(.0729-r*r);i=util.bezier(r,s,.25,1)}return this._prevEase={start:(new Date).getTime(),duration:t,easing:i},i}});
},{"../geo/lng_lat":13,"../geo/lng_lat_bounds":14,"../util/browser":105,"../util/interpolate":116,"../util/util":122,"point-geometry":192}],87:[function(require,module,exports){
"use strict";function AttributionControl(t){util.setOptions(this,t)}var Control=require("./control"),DOM=require("../../util/dom"),util=require("../../util/util");module.exports=AttributionControl,AttributionControl.prototype=util.inherit(Control,{options:{position:"bottom-right"},onAdd:function(t){var i="mapboxgl-ctrl-attrib",n=this._container=DOM.create("div",i,t.getContainer());return this._updateAttributions(),this._updateEditLink(),t.on("data",function(t){"source"===t.dataType&&(this._updateAttributions(),this._updateEditLink())}.bind(this)),t.on("moveend",this._updateEditLink.bind(this)),n},_updateAttributions:function(){if(this._map.style){var t=[],i=this._map.style.sourceCaches;for(var n in i){var o=i[n].getSource();o.attribution&&t.indexOf(o.attribution)<0&&t.push(o.attribution)}t.sort(function(t,i){return t.length-i.length}),t=t.filter(function(i,n){for(var o=n+1;o<t.length;o++)if(t[o].indexOf(i)>=0)return!1;return!0}),this._container.innerHTML=t.join(" | "),this._editLink=null}},_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)}}});
},{"../../util/dom":112,"../../util/util":122,"./control":88}],88:[function(require,module,exports){
"use strict";function Control(){}var util=require("../../util/util"),Evented=require("../../util/evented");module.exports=Control,Control.prototype={addTo:function(t){this._map=t;var o=this._container=this.onAdd(t);if(this.options&&this.options.position){var i=this.options.position,e=t._controlCorners[i];o.className+=" mapboxgl-ctrl",i.indexOf("bottom")!==-1?e.insertBefore(o,e.firstChild):e.appendChild(o)}return this},remove:function(){return this._container.parentNode.removeChild(this._container),this.onRemove&&this.onRemove(this._map),this._map=null,this}},util.extend(Control.prototype,Evented);
},{"../../util/evented":113,"../../util/util":122}],89:[function(require,module,exports){
"use strict";function GeolocateControl(t){util.setOptions(this,t)}var Control=require("./control"),browser=require("../../util/browser"),DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window");module.exports=GeolocateControl;var geoOptions={enableHighAccuracy:!1,timeout:6e3};GeolocateControl.prototype=util.inherit(Control,{options:{position:"top-right"},onAdd:function(t){var o="mapboxgl-ctrl",i=this._container=DOM.create("div",o+"-group",t.getContainer());return browser.supportsGeolocation?(this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._geolocateButton=DOM.create("button",o+"-icon "+o+"-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)),i):i},_onContextMenu:function(t){t.preventDefault()},_onClickGeolocate:function(){window.navigator.geolocation.getCurrentPosition(this._success.bind(this),this._error.bind(this),geoOptions),this._timeoutId=setTimeout(this._finish.bind(this),1e4)},_success:function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},_error:function(t){this.fire("error",t),this._finish()},_finish:function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0}});
},{"../../util/browser":105,"../../util/dom":112,"../../util/util":122,"../../util/window":107,"./control":88}],90:[function(require,module,exports){
"use strict";function NavigationControl(t){util.setOptions(this,t)}function copyMouseEvent(t){return new window.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 Control=require("./control"),DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window");module.exports=NavigationControl,NavigationControl.prototype=util.inherit(Control,{options:{position:"top-right"},onAdd:function(t){var o="mapboxgl-ctrl",e=this._container=DOM.create("div",o+"-group",t.getContainer());return this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(o+"-icon "+o+"-zoom-in",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(o+"-icon "+o+"-zoom-out",t.zoomOut.bind(t)),this._compass=this._createButton(o+"-icon "+o+"-compass",t.resetNorth.bind(t)),this._compassArrow=DOM.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),t.on("rotate",this._rotateCompassArrow.bind(this)),this._rotateCompassArrow(),this._el=t.getCanvasContainer(),e},_onContextMenu:function(t){t.preventDefault()},_onCompassDown:function(t){0===t.button&&(DOM.disableDrag(),window.document.addEventListener("mousemove",this._onCompassMove),window.document.addEventListener("mouseup",this._onCompassUp),this._el.dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},_onCompassMove:function(t){0===t.button&&(this._el.dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},_onCompassUp:function(t){0===t.button&&(window.document.removeEventListener("mousemove",this._onCompassMove),window.document.removeEventListener("mouseup",this._onCompassUp),DOM.enableDrag(),this._el.dispatchEvent(copyMouseEvent(t)),t.stopPropagation())},_createButton:function(t,o){var e=DOM.create("button",t,this._container);return e.type="button",e.addEventListener("click",function(){o()}),e},_rotateCompassArrow:function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t}});
},{"../../util/dom":112,"../../util/util":122,"../../util/window":107,"./control":88}],91:[function(require,module,exports){
"use strict";function ScaleControl(t){util.setOptions(this,t)}function updateScale(t,e,n){var o=n&&n.maxWidth||100,i=t._container.clientHeight/2,a=getDistance(t.unproject([0,i]),t.unproject([o,i]));if(n&&"imperial"===n.unit){var r=3.2808*a;if(r>5280){var l=r/5280;setScale(e,o,l,"mi")}else setScale(e,o,r,"ft")}else setScale(e,o,a,"m")}function setScale(t,e,n,o){var i=getRoundNum(n),a=i/n;"m"===o&&i>=1e3&&(i/=1e3,o="km"),t.style.width=e*a+"px",t.innerHTML=i+o}function getDistance(t,e){var n=6371e3,o=Math.PI/180,i=t.lat*o,a=e.lat*o,r=Math.sin(i)*Math.sin(a)+Math.cos(i)*Math.cos(a)*Math.cos((e.lng-t.lng)*o),l=n*Math.acos(Math.min(r,1));return l}function getRoundNum(t){var e=Math.pow(10,(Math.floor(t)+"").length-1),n=t/e;return n=n>=10?10:n>=5?5:n>=3?3:n>=2?2:1,e*n}var util=require("../../util/util"),Control=require("./control"),DOM=require("../../util/dom");module.exports=ScaleControl,ScaleControl.prototype=util.inherit(Control,{options:{position:"bottom-left"},onAdd:function(t){var e="mapboxgl-ctrl-scale",n=this._container=DOM.create("div",e,t.getContainer()),o=this.options;return updateScale(t,n,o),t.on("move",function(){updateScale(t,n,o)}),n}});
},{"../../util/dom":112,"../../util/util":122,"./control":88}],92:[function(require,module,exports){
"use strict";function BoxZoomHandler(e){this._map=e,this._el=e.getCanvasContainer(),this._container=e.getContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),LngLatBounds=require("../../geo/lng_lat_bounds"),util=require("../../util/util"),window=require("../../util/window");module.exports=BoxZoomHandler,BoxZoomHandler.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},_onMouseDown:function(e){e.shiftKey&&0===e.button&&(window.document.addEventListener("mousemove",this._onMouseMove,!1),window.document.addEventListener("keydown",this._onKeyDown,!1),window.document.addEventListener("mouseup",this._onMouseUp,!1),DOM.disableDrag(),this._startPos=DOM.mousePos(this._el,e),this._active=!0)},_onMouseMove:function(e){var t=this._startPos,o=DOM.mousePos(this._el,e);this._box||(this._box=DOM.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",e));var n=Math.min(t.x,o.x),i=Math.max(t.x,o.x),s=Math.min(t.y,o.y),a=Math.max(t.y,o.y);DOM.setTransform(this._box,"translate("+n+"px,"+s+"px)"),this._box.style.width=i-n+"px",this._box.style.height=a-s+"px"},_onMouseUp:function(e){if(0===e.button){var t=this._startPos,o=DOM.mousePos(this._el,e),n=(new LngLatBounds).extend(this._map.unproject(t)).extend(this._map.unproject(o));this._finish(),t.x===o.x&&t.y===o.y?this._fireEvent("boxzoomcancel",e):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:e,boxZoomBounds:n})}},_onKeyDown:function(e){27===e.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",e))},_finish:function(){this._active=!1,window.document.removeEventListener("mousemove",this._onMouseMove,!1),window.document.removeEventListener("keydown",this._onKeyDown,!1),window.document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),DOM.enableDrag()},_fireEvent:function(e,t){return this._map.fire(e,{originalEvent:t})}};
},{"../../geo/lng_lat_bounds":14,"../../util/dom":112,"../../util/util":122,"../../util/window":107}],93:[function(require,module,exports){
"use strict";function DoubleClickZoomHandler(i){this._map=i,this._onDblClick=this._onDblClick.bind(this)}module.exports=DoubleClickZoomHandler,DoubleClickZoomHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},_onDblClick:function(i){this._map.zoomTo(this._map.getZoom()+(i.originalEvent.shiftKey?-1:1),{around:i.lngLat},i)}};
},{}],94:[function(require,module,exports){
"use strict";function DragPanHandler(t){this._map=t,this._el=t.getCanvasContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window");module.exports=DragPanHandler;var inertiaLinearity=.3,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=1400,inertiaDeceleration=2500;DragPanHandler.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},_onDown:function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(window.document.addEventListener("touchmove",this._onMove),window.document.addEventListener("touchend",this._onTouchEnd)):(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onMouseUp)),this._active=!1,this._startPos=this._pos=DOM.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},_onMove:function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=DOM.mousePos(this._el,t),i=this._map;i.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),i.transform.setLocationAtPoint(i.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},_onUp:function(t){if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var e=function(){this._fireEvent("moveend",t)}.bind(this),i=this._inertia;if(i.length<2)return void e();var n=i[i.length-1],o=i[0],r=n[1].sub(o[1]),s=(n[0]-o[0])/1e3;if(0===s||n[1].equals(o[1]))return void e();var a=r.mult(inertiaLinearity/s),u=a.mag();u>inertiaMaxSpeed&&(u=inertiaMaxSpeed,a._unit()._mult(u));var h=u/(inertiaDeceleration*inertiaLinearity),v=a.mult(-h/2);this._map.panBy(v,{duration:1e3*h,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},_onMouseUp:function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onMouseUp))},_onTouchEnd:function(t){this._ignoreEvent(t)||(this._onUp(t),window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onTouchEnd))},_fireEvent:function(t,e){return this._map.fire(t,{originalEvent:e})},_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 i=1,n=0;return"mousemove"===t.type?t.buttons&0===i:t.button!==n},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>0&&e-t[0][0]>i;)t.shift()}};
},{"../../util/dom":112,"../../util/util":122,"../../util/window":107}],95:[function(require,module,exports){
"use strict";function DragRotateHandler(t,e){this._map=t,this._el=t.getCanvasContainer(),this._bearingSnap=e.bearingSnap,this._pitchWithRotate=e.pitchWithRotate!==!1,util.bindHandlers(this)}var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window");module.exports=DragRotateHandler;var inertiaLinearity=.25,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaMaxSpeed=180,inertiaDeceleration=720;DragRotateHandler.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},_onDown:function(t){this._ignoreEvent(t)||this.isActive()||(window.document.addEventListener("mousemove",this._onMove),window.document.addEventListener("mouseup",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=DOM.mousePos(this._el,t),this._center=this._map.transform.centerPoint,t.preventDefault())},_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 i=this._pos,n=DOM.mousePos(this._el,t),r=.8*(i.x-n.x),a=(i.y-n.y)*-.5,o=e.getBearing()-r,s=e.getPitch()-a,h=this._inertia,_=h[h.length-1];this._drainInertiaBuffer(),h.push([Date.now(),e._normalizeBearing(o,_[1])]),e.transform.bearing=o,this._pitchWithRotate&&(e.transform.pitch=s),this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=n}},_onUp:function(t){if(!this._ignoreEvent(t)&&(window.document.removeEventListener("mousemove",this._onMove),window.document.removeEventListener("mouseup",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var e=this._map,i=e.getBearing(),n=this._inertia,r=function(){Math.abs(i)<this._bearingSnap?e.resetNorth({noMoveStart:!0},{originalEvent:t}):this._fireEvent("moveend",t)}.bind(this);if(n.length<2)return void r();var a=n[0],o=n[n.length-1],s=n[n.length-2],h=e._normalizeBearing(i,s[1]),_=o[1]-a[1],v=_<0?-1:1,u=(o[0]-a[0])/1e3;if(0===_||0===u)return void r();var d=Math.abs(_*(inertiaLinearity/u));d>inertiaMaxSpeed&&(d=inertiaMaxSpeed);var l=d/(inertiaDeceleration*inertiaLinearity),c=v*d*(l/2);h+=c,Math.abs(e._normalizeBearing(h,0))<this._bearingSnap&&(h=e._normalizeBearing(0,h)),e.rotateTo(h,{duration:1e3*l,easing:inertiaEasing,noMoveStart:!0},{originalEvent:t})}},_fireEvent:function(t,e){return this._map.fire(t,{originalEvent:e})},_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 i=t.ctrlKey?1:2,n=t.ctrlKey?0:2;return"mousemove"===t.type?t.buttons&0===i:t.button!==n},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>0&&e-t[0][0]>i;)t.shift()}};
},{"../../util/dom":112,"../../util/util":122,"../../util/window":107}],96:[function(require,module,exports){
"use strict";function KeyboardHandler(e){this._map=e,this._el=e.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)}function easeOut(e){return e*(2-e)}module.exports=KeyboardHandler;var panStep=100,bearingStep=15,pitchStep=10;KeyboardHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},_onKeyDown:function(e){if(!(e.altKey||e.ctrlKey||e.metaKey)){var t=0,n=0,a=0,i=0,s=0;switch(e.keyCode){case 61:case 107:case 171:case 187:t=1;break;case 189:case 109:case 173:t=-1;break;case 37:e.shiftKey?n=-1:(e.preventDefault(),i=-1);break;case 39:e.shiftKey?n=1:(e.preventDefault(),i=1);break;case 38:e.shiftKey?a=1:(e.preventDefault(),s=-1);break;case 40:e.shiftKey?a=-1:(s=1,e.preventDefault())}var r=this._map,o=r.getZoom(),h={duration:300,delayEndEvents:500,easing:easeOut,zoom:t?Math.round(o)+t*(e.shiftKey?2:1):o,bearing:r.getBearing()+n*bearingStep,pitch:r.getPitch()+a*pitchStep,offset:[-i*panStep,-s*panStep],center:r.getCenter()};r.easeTo(h,{originalEvent:e})}}};
},{}],97:[function(require,module,exports){
"use strict";function ScrollZoomHandler(e){this._map=e,this._el=e.getCanvasContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),util=require("../../util/util"),browser=require("../../util/browser"),window=require("../../util/window");module.exports=ScrollZoomHandler;var ua=window.navigator.userAgent.toLowerCase(),firefox=ua.indexOf("firefox")!==-1,safari=ua.indexOf("safari")!==-1&&ua.indexOf("chrom")===-1;ScrollZoomHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},_onWheel:function(e){var t;"wheel"===e.type?(t=e.deltaY,firefox&&e.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(t/=browser.devicePixelRatio),e.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(t*=40)):"mousewheel"===e.type&&(t=-e.wheelDeltaY,safari&&(t/=3));var i=browser.now(),o=i-(this._time||0);this._pos=DOM.mousePos(this._el,e),this._time=i,0!==t&&t%4.000244140625===0?this._type="wheel":0!==t&&Math.abs(t)<4?this._type="trackpad":o>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(o*t)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&this._zoom(-t,e),e.preventDefault()},_onTimeout:function(){this._type="wheel",this._zoom(-this._lastValue)},_zoom:function(e,t){if(0!==e){var i=this._map,o=2/(1+Math.exp(-Math.abs(e/100)));e<0&&0!==o&&(o=1/o);var s=i.ease?i.ease.to:i.transform.scale,a=i.transform.scaleZoom(s*o);i.zoomTo(a,{duration:"wheel"===this._type?200:0,around:i.unproject(this._pos),delayEndEvents:200,smoothEasing:!0},{originalEvent:t})}}};
},{"../../util/browser":105,"../../util/dom":112,"../../util/util":122,"../../util/window":107}],98:[function(require,module,exports){
"use strict";function TouchZoomRotateHandler(t){this._map=t,this._el=t.getCanvasContainer(),util.bindHandlers(this)}var DOM=require("../../util/dom"),util=require("../../util/util"),window=require("../../util/window");module.exports=TouchZoomRotateHandler;var inertiaLinearity=.15,inertiaEasing=util.bezier(0,0,inertiaLinearity,1),inertiaDeceleration=12,inertiaMaxSpeed=2.5,significantScaleThreshold=.15,significantRotateThreshold=4;TouchZoomRotateHandler.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},disableRotation:function(){this._rotationDisabled=!0},enableRotation:function(){this._rotationDisabled=!1},_onStart:function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]);this._startVec=e.sub(i),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],window.document.addEventListener("touchmove",this._onMove,!1),window.document.addEventListener("touchend",this._onEnd,!1)}},_onMove:function(t){if(2===t.touches.length){var e=DOM.mousePos(this._el,t.touches[0]),i=DOM.mousePos(this._el,t.touches[1]),n=e.add(i).div(2),a=e.sub(i),s=a.mag()/this._startVec.mag(),r=this._rotationDisabled?0:180*a.angleWith(this._startVec)/Math.PI,o=this._map;if(this._gestureIntent){var h={duration:0,around:o.unproject(n)};"rotate"===this._gestureIntent&&(h.bearing=this._startBearing+r),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(h.zoom=o.transform.scaleZoom(this._startScale*s)),o.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),s,n]),o.easeTo(h,{originalEvent:t})}else{var u=Math.abs(1-s)>significantScaleThreshold,l=Math.abs(r)>significantRotateThreshold;l?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=a,this._startScale=o.transform.scale,this._startBearing=o.transform.bearing)}t.preventDefault()}},_onEnd:function(t){window.document.removeEventListener("touchmove",this._onMove),window.document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,i=this._map;if(e.length<2)return void i.snapToNorth({},{originalEvent:t});var n=e[e.length-1],a=e[0],s=i.transform.scaleZoom(this._startScale*n[1]),r=i.transform.scaleZoom(this._startScale*a[1]),o=s-r,h=(n[0]-a[0])/1e3,u=n[2];if(0===h||s===r)return void i.snapToNorth({},{originalEvent:t});var l=o*inertiaLinearity/h;Math.abs(l)>inertiaMaxSpeed&&(l=l>0?inertiaMaxSpeed:-inertiaMaxSpeed);var d=1e3*Math.abs(l/(inertiaDeceleration*inertiaLinearity)),_=s+l*d/2e3;_<0&&(_=0),i.easeTo({zoom:_,duration:d,easing:inertiaEasing,around:i.unproject(u)},{originalEvent:t})},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now(),i=160;t.length>2&&e-t[0][0]>i;)t.shift()}};
},{"../../util/dom":112,"../../util/util":122,"../../util/window":107}],99:[function(require,module,exports){
"use strict";function Hash(){util.bindAll(["_onHashChange","_updateHash"],this)}module.exports=Hash;var util=require("../util/util"),window=require("../util/window");Hash.prototype={addTo:function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},remove:function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},_onHashChange:function(){var t=window.location.hash.replace("#","").split("/");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0),pitch:+(t[4]||0)}),!0)},_updateHash:function(){var t=this._map.getCenter(),e=this._map.getZoom(),a=this._map.getBearing(),h=this._map.getPitch(),i=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),n="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(i)+"/"+t.lng.toFixed(i);(a||h)&&(n+="/"+Math.round(10*a)/10),h&&(n+="/"+Math.round(h)),window.history.replaceState("","",n)}};
},{"../util/util":122,"../util/window":107}],100:[function(require,module,exports){
"use strict";function removeNode(t){t.parentNode&&t.parentNode.removeChild(t)}var util=require("../util/util"),browser=require("../util/browser"),window=require("../util/window"),Evented=require("../util/evented"),DOM=require("../util/dom"),Style=require("../style/style"),AnimationLoop=require("../style/animation_loop"),Painter=require("../render/painter"),Transform=require("../geo/transform"),Hash=require("./hash"),bindHandlers=require("./bind_handlers"),Camera=require("./camera"),LngLat=require("../geo/lng_lat"),LngLatBounds=require("../geo/lng_lat_bounds"),Point=require("point-geometry"),AttributionControl=require("./control/attribution_control"),isSupported=require("mapbox-gl-supported"),defaultMinZoom=0,defaultMaxZoom=20,defaultOptions={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:defaultMinZoom,maxZoom:defaultMaxZoom,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},Map=module.exports=function(t){t=util.extend({},defaultOptions,t),this._interactive=t.interactive,this._failIfMajorPerformanceCaveat=t.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=t.preserveDrawingBuffer,this._trackResize=t.trackResize,this._bearingSnap=t.bearingSnap,"string"==typeof t.container?this._container=window.document.getElementById(t.container):this._container=t.container,this.animationLoop=new AnimationLoop,this.transform=new Transform(t.minZoom,t.maxZoom),t.maxBounds&&this.setMaxBounds(t.maxBounds),util.bindAll(["_onWindowOnline","_onWindowResize","_contextLost","_contextRestored","_update","_render"],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(){this.animationLoop.set(300),this._rerender()}.bind(this)),"undefined"!=typeof window&&(window.addEventListener("online",this._onWindowOnline,!1),window.addEventListener("resize",this._onWindowResize,!1)),bindHandlers(this,t),this._hash=t.hash&&(new Hash).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:t.center,zoom:t.zoom,bearing:t.bearing,pitch:t.pitch}),this._classes=[],this.resize(),t.classes&&this.setClasses(t.classes),t.style&&this.setStyle(t.style),t.attributionControl&&this.addControl(new AttributionControl(t.attributionControl)),this.on("style.load",function(){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1})}),this.on("data",function(t){"style"===t.dataType?this._update(!0):this._update()})};util.extend(Map.prototype,Evented),util.extend(Map.prototype,Camera.prototype),util.extend(Map.prototype,{addControl:function(t){return t.addTo(this),this},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))},removeClass:function(t,e){var i=this._classes.indexOf(t);return i<0||""===t?this:(this._classes.splice(i,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},setClasses:function(t,e){for(var i={},s=0;s<t.length;s++)""!==t[s]&&(i[t[s]]=!0);return this._classes=Object.keys(i),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0)},hasClass:function(t){return this._classes.indexOf(t)>=0},getClasses:function(){return this._classes},resize:function(){var t=this._containerDimensions(),e=t[0],i=t[1];return this._resizeCanvas(e,i),this.transform.resize(e,i),this.painter.resize(e,i),this.fire("movestart").fire("move").fire("resize").fire("moveend")},getBounds:function(){var t=new LngLatBounds(this.transform.pointLocation(new Point(0,this.transform.height)),this.transform.pointLocation(new Point(this.transform.width,0)));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new Point(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new Point(0,this.transform.size.y)))),t},setMaxBounds:function(t){if(t){var e=LngLatBounds.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=[],this.transform.latRange=[],this._update());return this},setMinZoom:function(t){if(t=null===t||void 0===t?defaultMinZoom:t,t>=defaultMinZoom&&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 "+defaultMinZoom+" and the current maxZoom, inclusive")},setMaxZoom:function(t){if(t=null===t||void 0===t?defaultMaxZoom:t,t>=this.transform.minZoom&&t<=defaultMaxZoom)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be between the current minZoom and "+defaultMaxZoom+", inclusive")},project:function(t){return this.transform.locationPoint(LngLat.convert(t))},unproject:function(t){return this.transform.pointLocation(Point.convert(t))},queryRenderedFeatures:function(){function t(t){return t instanceof Point||Array.isArray(t)}var e,i={};return 2===arguments.length?(e=arguments[0],i=arguments[1]):1===arguments.length&&t(arguments[0])?e=arguments[0]:1===arguments.length&&(i=arguments[0]),this.style.queryRenderedFeatures(this._makeQueryGeometry(e),i,this.transform.zoom,this.transform.angle)},_makeQueryGeometry:function(t){void 0===t&&(t=[Point.convert([0,0]),Point.convert([this.transform.width,this.transform.height])]);var e,i=t instanceof Point||"number"==typeof t[0];if(i){var s=Point.convert(t);e=[s]}else{var n=[Point.convert(t[0]),Point.convert(t[1])];e=[n[0],new Point(n[1].x,n[0].y),n[1],new Point(n[0].x,n[1].y),n[0]]}return e=e.map(function(t){return this.transform.pointCoordinate(t)}.bind(this))},querySourceFeatures:function(t,e){return this.style.querySourceFeatures(t,e)},setStyle:function(t){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 Style?this.style=t:this.style=new Style(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)},getStyle:function(){if(this.style)return this.style.serialize()},addSource:function(t,e){return this.style.addSource(t,e),this._update(!0),this},addSourceType:function(t,e,i){return this.style.addSourceType(t,e,i)},removeSource:function(t){return this.style.removeSource(t),this._update(!0),this},getSource:function(t){return this.style.getSource(t)},addLayer:function(t,e){return this.style.addLayer(t,e),this._update(!0),this},removeLayer:function(t){return this.style.removeLayer(t),this._update(!0),this},getLayer:function(t){return this.style.getLayer(t)},setFilter:function(t,e){return this.style.setFilter(t,e),this._update(!0),this},setLayerZoomRange:function(t,e,i){return this.style.setLayerZoomRange(t,e,i),this._update(!0),this},getFilter:function(t){return this.style.getFilter(t)},setPaintProperty:function(t,e,i,s){return this.style.setPaintProperty(t,e,i,s),this._update(!0),this},getPaintProperty:function(t,e,i){return this.style.getPaintProperty(t,e,i)},setLayoutProperty:function(t,e,i){return this.style.setLayoutProperty(t,e,i),this._update(!0),this},getLayoutProperty:function(t,e){return this.style.getLayoutProperty(t,e)},setLight:function(t){return this.style.setLight(t),this._update(!0),this},getLight:function(){return this.style.getLight()},getContainer:function(){return this._container},getCanvasContainer:function(){return this._canvasContainer},getCanvas:function(){return this._canvas},_containerDimensions:function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),[t,e]},_setupContainer:function(){var t=this._container;t.classList.add("mapboxgl-map");var e=this._canvasContainer=DOM.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=DOM.create("canvas","mapboxgl-canvas",e),this._canvas.style.position="absolute",this._canvas.addEventListener("webglcontextlost",this._contextLost,!1),this._canvas.addEventListener("webglcontextrestored",this._contextRestored,!1),this._canvas.setAttribute("tabindex",0);var i=this._containerDimensions();this._resizeCanvas(i[0],i[1]);var s=this._controlContainer=DOM.create("div","mapboxgl-control-container",t),n=this._controlCorners={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){n[t]=DOM.create("div","mapboxgl-ctrl-"+t,s)})},_resizeCanvas:function(t,e){var i=window.devicePixelRatio||1;this._canvas.width=i*t,this._canvas.height=i*e,this._canvas.style.width=t+"px",this._canvas.style.height=e+"px"},_setupPainter:function(){var t=util.extend({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer},isSupported.webGLContextAttributes),e=this._canvas.getContext("webgl",t)||this._canvas.getContext("experimental-webgl",t);return e?void(this.painter=new Painter(e,this.transform)):void this.fire("error",{error:new Error("Failed to initialize WebGL")})},_contextLost:function(t){t.preventDefault(),this._frameId&&browser.cancelFrame(this._frameId),this.fire("webglcontextlost",{originalEvent:t})},_contextRestored:function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},loaded:function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},_update:function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},_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,{debug:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,vertices:this.vertices,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},remove:function(){this._hash&&this._hash.remove(),browser.cancelFrame(this._frameId),this.setStyle(null),"undefined"!=typeof window&&window.removeEventListener("resize",this._onWindowResize,!1);var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),removeNode(this._canvasContainer),removeNode(this._controlContainer),this._container.classList.remove("mapboxgl-map"),this.fire("remove")},_rerender:function(){this.style&&!this._frameId&&(this._frameId=browser.frame(this._render))},_onWindowOnline:function(){this._update()},_onWindowResize:function(){this._trackResize&&this.stop().resize()._update()}}),util.extendAll(Map.prototype,{_showTileBoundaries:!1,get showTileBoundaries(){return this._showTileBoundaries},set showTileBoundaries(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},_showCollisionBoxes:!1,get showCollisionBoxes(){return this._showCollisionBoxes},set showCollisionBoxes(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},_showOverdrawInspector:!1,get showOverdrawInspector(){return this._showOverdrawInspector},set showOverdrawInspector(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},_repaint:!1,get repaint(){return this._repaint},set repaint(t){this._repaint=t,this._update()},_vertices:!1,get vertices(){return this._vertices},set vertices(t){this._vertices=t,this._update()}});
},{"../geo/lng_lat":13,"../geo/lng_lat_bounds":14,"../geo/transform":15,"../render/painter":31,"../style/animation_loop":52,"../style/style":56,"../util/browser":105,"../util/dom":112,"../util/evented":113,"../util/util":122,"../util/window":107,"./bind_handlers":85,"./camera":86,"./control/attribution_control":87,"./hash":99,"mapbox-gl-supported":188,"point-geometry":192}],101:[function(require,module,exports){
"use strict";function Marker(t,e){this._offset=Point.convert(e&&e.offset||[0,0]),this._update=this._update.bind(this),this._onMapClick=this._onMapClick.bind(this),t||(t=DOM.create("div")),t.classList.add("mapboxgl-marker"),this._element=t,this._popup=null}module.exports=Marker;var DOM=require("../util/dom"),util=require("../util/util"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),Popup=require("./popup");Marker.prototype={addTo:function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._element),t.on("move",this._update),t.on("moveend",this._update),this._update(),this._map.on("click",this._onMapClick),this},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),DOM.remove(this._element),this._popup&&this._popup.remove(),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=LngLat.convert(t),this._popup&&this._popup.setLngLat(this._lngLat),this._update(),this},getElement:function(){return this._element},setPopup:function(t){return this._popup&&(this._popup.remove(),this._popup=null),t&&(this._popup=t,this._popup.setLngLat(this._lngLat)),this},_onMapClick:function(t){var e=t.originalEvent.target,i=this._element;this._popup&&(e===i||i.contains(e))&&this.togglePopup()},getPopup:function(){return this._popup},togglePopup:function(){var t=this._popup;t&&(t.isOpen()?t.remove():t.addTo(this._map))},_update:function(t){if(this._map){var e=this._map.project(this._lngLat)._add(this._offset);t&&"moveend"!==t.type||(e=e.round()),DOM.setTransform(this._element,"translate("+e.x+"px,"+e.y+"px)")}}};
},{"../geo/lng_lat":13,"../util/dom":112,"../util/util":122,"./popup":102,"point-geometry":192}],102:[function(require,module,exports){
"use strict";function Popup(t){util.setOptions(this,t),util.bindAll(["_update","_onClickClose"],this)}function normalizeOffset(t){if(t){if("number"==typeof t){var o=Math.round(Math.sqrt(.5*Math.pow(t,2)));return{top:new Point(0,t),"top-left":new Point(o,o),"top-right":new Point(-o,o),bottom:new Point(0,-t),"bottom-left":new Point(o,-o),"bottom-right":new Point(-o,-o),left:new Point(t,0),right:new Point(-t,0)}}if(isPointLike(t)){var n=Point.convert(t);return{top:n,"top-left":n,"top-right":n,bottom:n,"bottom-left":n,"bottom-right":n,left:n,right:n}}return{top:Point.convert(t.top),"top-left":Point.convert(t["top-left"]),"top-right":Point.convert(t["top-right"]),bottom:Point.convert(t.bottom),"bottom-left":Point.convert(t["bottom-left"]),"bottom-right":Point.convert(t["bottom-right"]),left:Point.convert(t.left),right:Point.convert(t.right)}}return normalizeOffset(new Point(0,0))}function isPointLike(t){return t instanceof Point||Array.isArray(t)}module.exports=Popup;var util=require("../util/util"),Evented=require("../util/evented"),DOM=require("../util/dom"),LngLat=require("../geo/lng_lat"),Point=require("point-geometry"),window=require("../util/window");Popup.prototype=util.inherit(Evented,{options:{closeButton:!0,closeOnClick:!0},addTo:function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},isOpen:function(){return!!this._map},remove:function(){return this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._container&&(this._container.parentNode.removeChild(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this.fire("close"),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=LngLat.convert(t),this._update(),this},setText:function(t){return this.setDOMContent(window.document.createTextNode(t))},setHTML:function(t){var o,n=window.document.createDocumentFragment(),e=window.document.createElement("body");for(e.innerHTML=t;;){if(o=e.firstChild,!o)break;n.appendChild(o)}return this.setDOMContent(n)},setDOMContent:function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},_createContent:function(){this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._content=DOM.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=DOM.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.type="button",this._closeButton.innerHTML="&#215;",this._closeButton.addEventListener("click",this._onClickClose))},_update:function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=DOM.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=DOM.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content));var t=this.options.anchor,o=normalizeOffset(this.options.offset),n=this._map.project(this._lngLat).round();if(!t){var e=this._container.offsetWidth,i=this._container.offsetHeight;t=n.y+o.bottom.y<i?["top"]:n.y>this._map.transform.height-i?["bottom"]:[],n.x<e/2?t.push("left"):n.x>this._map.transform.width-e/2&&t.push("right"),t=0===t.length?"bottom":t.join("-")}var r=n.add(o[t]),s={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},a=this._container.classList;for(var h in s)a.remove("mapboxgl-popup-anchor-"+h);a.add("mapboxgl-popup-anchor-"+t),DOM.setTransform(this._container,s[t]+" translate("+r.x+"px,"+r.y+"px)")}},_onClickClose:function(){this.remove()}});
},{"../geo/lng_lat":13,"../util/dom":112,"../util/evented":113,"../util/util":122,"../util/window":107,"point-geometry":192}],103:[function(require,module,exports){
"use strict";function Actor(t,e,i){this.target=t,this.parent=e,this.mapId=i,this.callbacks={},this.callbackID=0,this.receive=this.receive.bind(this),this.target.addEventListener("message",this.receive,!1)}module.exports=Actor,Actor.prototype.send=function(t,e,i,s,a){var r=i?this.mapId+":"+this.callbackID++:null;i&&(this.callbacks[r]=i),this.target.postMessage({targetMapId:a,sourceMapId:this.mapId,type:t,id:String(r),data:e},s)},Actor.prototype.receive=function(t){function e(t,e,i){this.target.postMessage({sourceMapId:this.mapId,type:"<response>",id:String(a),error:t?String(t):null,data:e},i)}var i,s=t.data,a=s.id;if(!s.targetMapId||this.mapId===s.targetMapId)if("<response>"===s.type)i=this.callbacks[s.id],delete this.callbacks[s.id],i&&i(s.error||null,s.data);else if("undefined"!=typeof s.id&&this.parent[s.type])this.parent[s.type](s.sourceMapId,s.data,e.bind(this));else if("undefined"!=typeof s.id&&this.parent.getWorkerSource){var r=s.type.split("."),p=this.parent.getWorkerSource(s.sourceMapId,r[0]);p[r[1]](s.data,e.bind(this))}else this.parent[s.type](s.data)},Actor.prototype.remove=function(){this.target.removeEventListener("message",this.receive,!1)};
},{}],104:[function(require,module,exports){
"use strict";function sameOrigin(e){var t=window.document.createElement("a");return t.href=e,t.protocol===window.document.location.protocol&&t.host===window.document.location.host}var window=require("./window");exports.getJSON=function(e,t){var n=new window.XMLHttpRequest;return n.open("GET",e,!0),n.setRequestHeader("Accept","application/json"),n.onerror=function(e){t(e)},n.onload=function(){if(n.status>=200&&n.status<300&&n.response){var e;try{e=JSON.parse(n.response)}catch(e){return t(e)}t(null,e)}else t(new Error(n.statusText))},n.send(),n},exports.getArrayBuffer=function(e,t){var n=new window.XMLHttpRequest;return n.open("GET",e,!0),n.responseType="arraybuffer",n.onerror=function(e){t(e)},n.onload=function(){n.status>=200&&n.status<300&&n.response?t(null,n.response):t(new Error(n.statusText))},n.send(),n},exports.getImage=function(e,t){return exports.getArrayBuffer(e,function(e,n){if(e)return t(e);var r=new window.Image;r.onload=function(){t(null,r),(window.URL||window.webkitURL).revokeObjectURL(r.src)};var o=new window.Blob([new Uint8Array(n)],{type:"image/png"});return r.src=(window.URL||window.webkitURL).createObjectURL(o),r.getData=function(){var e=window.document.createElement("canvas"),t=e.getContext("2d");return e.width=r.width,e.height=r.height,t.drawImage(r,0,0),t.getImageData(0,0,r.width,r.height).data},r})},exports.getVideo=function(e,t){var n=window.document.createElement("video");n.onloadstart=function(){t(null,n)};for(var r=0;r<e.length;r++){var o=window.document.createElement("source");sameOrigin(e[r])||(n.crossOrigin="Anonymous"),o.src=e[r],n.appendChild(o)}return n.getData=function(){return n},n};
},{"./window":107}],105:[function(require,module,exports){
"use strict";var window=require("./window");module.exports.now=function(){return window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now.bind(Date)}();var frame=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame;exports.frame=function(e){return frame(e)};var cancel=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame;exports.cancelFrame=function(e){cancel(e)},exports.timed=function(e,n,o){function r(a){t||(a=module.exports.now(),a>=i+n?e.call(o,1):(e.call(o,(a-i)/n),exports.frame(r)))}if(!n)return e.call(o,1),null;var t=!1,i=module.exports.now();return exports.frame(r),function(){t=!0}},exports.supported=require("mapbox-gl-supported"),exports.hardwareConcurrency=window.navigator.hardwareConcurrency||4,Object.defineProperty(exports,"devicePixelRatio",{get:function(){return window.devicePixelRatio}}),exports.supportsWebp=!1;var webpImgTest=window.document.createElement("img");webpImgTest.onload=function(){exports.supportsWebp=!0},webpImgTest.src="data:image/webp;base64,UklGRh4AAABXRUJQVlA4TBEAAAAvAQAAAAfQ//73v/+BiOh/AAA=",exports.supportsGeolocation=!!window.navigator.geolocation;
},{"./window":107,"mapbox-gl-supported":188}],106:[function(require,module,exports){
"use strict";var WebWorkify=require("webworkify"),window=require("../window"),workerURL=window.URL.createObjectURL(new WebWorkify(require("../../source/worker"),{bare:!0}));module.exports=function(){return new window.Worker(workerURL)};
},{"../../source/worker":50,"../window":107,"webworkify":209}],107:[function(require,module,exports){
"use strict";module.exports=self;
},{}],108:[function(require,module,exports){
"use strict";function compareAreas(e,r){return r.area-e.area}var quickselect=require("quickselect"),calculateSignedArea=require("./util").calculateSignedArea;module.exports=function(e,r){var a=e.length;if(a<=1)return[e];for(var t,u,c=[],i=0;i<a;i++){var l=calculateSignedArea(e[i]);0!==l&&(e[i].area=Math.abs(l),void 0===u&&(u=l<0),u===l<0?(t&&c.push(t),t=[e[i]]):t.push(e[i]))}if(t&&c.push(t),r>1)for(var n=0;n<c.length;n++)c[n].length<=r||(quickselect(c[n],r,1,c[n].length-1,compareAreas),c[n]=c[n].slice(0,r));return c};
},{"./util":122,"quickselect":193}],109:[function(require,module,exports){
"use strict";module.exports={API_URL:"https://api.mapbox.com",REQUIRE_ACCESS_TOKEN:!0};
},{}],110:[function(require,module,exports){
"use strict";function DictionaryCoder(r){this._stringToNumber={},this._numberToString=[];for(var t=0;t<r.length;t++){var o=r[t];this._stringToNumber[o]=t,this._numberToString[t]=o}}module.exports=DictionaryCoder,DictionaryCoder.prototype.encode=function(r){return this._stringToNumber[r]},DictionaryCoder.prototype.decode=function(r){return this._numberToString[r]};
},{}],111:[function(require,module,exports){
"use strict";function Dispatcher(t,r){this.workerPool=t,this.actors=[],this.currentActor=0,this.id=util.uniqueId();for(var i=this.workerPool.acquire(this.id),o=0;o<i.length;o++){var s=i[o],e=new Actor(s,r,this.id);e.name="Worker "+o,this.actors.push(e)}}var util=require("./util"),Actor=require("./actor");module.exports=Dispatcher,Dispatcher.prototype={broadcast:function(t,r,i){i=i||function(){},util.asyncAll(this.actors,function(i,o){i.send(t,r,o)},i)},send:function(t,r,i,o,s){return("number"!=typeof o||isNaN(o))&&(o=this.currentActor=(this.currentActor+1)%this.actors.length),this.actors[o].send(t,r,i,s),o},remove:function(){this.actors.forEach(function(t){t.remove()}),this.actors=[],this.workerPool.release(this.id)}};
},{"./actor":103,"./util":122}],112:[function(require,module,exports){
"use strict";function testProp(e){for(var t=0;t<e.length;t++)if(e[t]in docStyle)return e[t];return e[0]}function suppressClick(e){e.preventDefault(),e.stopPropagation(),window.removeEventListener("click",suppressClick,!0)}var Point=require("point-geometry"),window=require("./window");exports.create=function(e,t,o){var n=window.document.createElement(e);return t&&(n.className=t),o&&o.appendChild(n),n};var docStyle=window.document.documentElement.style,selectProp=testProp(["userSelect","MozUserSelect","WebkitUserSelect","msUserSelect"]),userSelect;exports.disableDrag=function(){selectProp&&(userSelect=docStyle[selectProp],docStyle[selectProp]="none")},exports.enableDrag=function(){selectProp&&(docStyle[selectProp]=userSelect)};var transformProp=testProp(["transform","WebkitTransform"]);exports.setTransform=function(e,t){e.style[transformProp]=t},exports.suppressClick=function(){window.addEventListener("click",suppressClick,!0),window.setTimeout(function(){window.removeEventListener("click",suppressClick,!0)},0)},exports.mousePos=function(e,t){var o=e.getBoundingClientRect();return t=t.touches?t.touches[0]:t,new Point(t.clientX-o.left-e.clientLeft,t.clientY-o.top-e.clientTop)},exports.touchPos=function(e,t){for(var o=e.getBoundingClientRect(),n=[],r="touchend"===t.type?t.changedTouches:t.touches,s=0;s<r.length;s++)n.push(new Point(r[s].clientX-o.left-e.clientLeft,r[s].clientY-o.top-e.clientTop));return n},exports.remove=function(e){e.parentNode&&e.parentNode.removeChild(e)};
},{"./window":107,"point-geometry":192}],113:[function(require,module,exports){
"use strict";var util=require("./util"),Evented={on:function(e,t){return this._listeners=this._listeners||{},this._listeners[e]=this._listeners[e]||[],this._listeners[e].push(t),this},off:function(e,t){if(this._listeners&&this._listeners[e]){var s=this._listeners[e].indexOf(t);s!==-1&&this._listeners[e].splice(s,1)}return this},once:function(e,t){var s=function(i){this.off(e,s),t.call(this,i)}.bind(this);return this.on(e,s),this},fire:function(e,t){if(this.listens(e)){t=util.extend({},t,{type:e,target:this});for(var s=this._listeners&&this._listeners[e]?this._listeners[e].slice():[],i=0;i<s.length;i++)s[i].call(this,t);this._eventedParent&&this._eventedParent.fire(e,util.extend({},t,this._eventedParentData))}else util.endsWith(e,"error")&&console.error(t&&t.error||t||"Empty error event");return this},listens:function(e){return this._listeners&&this._listeners[e]||this._eventedParent&&this._eventedParent.listens(e)},setEventedParent:function(e,t){return this._eventedParent=e,this._eventedParentData=t,this}};module.exports=Evented;
},{"./util":122}],114:[function(require,module,exports){
"use strict";function compareMax(e,t){return t.max-e.max}function Cell(e,t,n,r){this.p=new Point(e,t),this.h=n,this.d=pointToPolygonDist(this.p,r),this.max=this.d+this.h*Math.SQRT2}function pointToPolygonDist(e,t){for(var n=!1,r=1/0,o=0;o<t.length;o++)for(var l=t[o],i=0,s=l.length,u=s-1;i<s;u=i++){var a=l[i],h=l[u];a.y>e.y!=h.y>e.y&&e.x<(h.x-a.x)*(e.y-a.y)/(h.y-a.y)+a.x&&(n=!n),r=Math.min(r,distToSegmentSquared(e,a,h))}return(n?1:-1)*Math.sqrt(r)}function getCentroidCell(e){for(var t=0,n=0,r=0,o=e[0],l=0,i=o.length,s=i-1;l<i;s=l++){var u=o[l],a=o[s],h=u.x*a.y-a.x*u.y;n+=(u.x+a.x)*h,r+=(u.y+a.y)*h,t+=3*h}return new Cell(n/t,r/t,0,e)}var Queue=require("tinyqueue"),Point=require("point-geometry"),distToSegmentSquared=require("./intersection_tests").distToSegmentSquared;module.exports=function(e,t,n){t=t||1;for(var r,o,l,i,s=e[0],u=0;u<s.length;u++){var a=s[u];(!u||a.x<r)&&(r=a.x),(!u||a.y<o)&&(o=a.y),(!u||a.x>l)&&(l=a.x),(!u||a.y>i)&&(i=a.y)}for(var h=l-r,p=i-o,y=Math.min(h,p),x=y/2,d=new Queue(null,compareMax),g=r;g<l;g+=y)for(var f=o;f<i;f+=y)d.push(new Cell(g+x,f+x,x,e));for(var m=getCentroidCell(e),c=d.length;d.length;){var v=d.pop();v.d>m.d&&(m=v,n&&console.log("found best %d after %d probes",Math.round(1e4*v.d)/1e4,c)),v.max-m.d<=t||(x=v.h/2,d.push(new Cell(v.p.x-x,v.p.y-x,x,e)),d.push(new Cell(v.p.x+x,v.p.y-x,x,e)),d.push(new Cell(v.p.x-x,v.p.y+x,x,e)),d.push(new Cell(v.p.x+x,v.p.y+x,x,e)),c+=4)}return n&&(console.log("num probes: "+c),console.log("best distance: "+m.d)),m.p};
},{"./intersection_tests":117,"point-geometry":192,"tinyqueue":200}],115:[function(require,module,exports){
"use strict";function Glyphs(a,e){this.stacks=a.readFields(readFontstacks,[],e)}function readFontstacks(a,e,r){if(1===a){var t=r.readMessage(readFontstack,{glyphs:{}});e.push(t)}}function readFontstack(a,e,r){if(1===a)e.name=r.readString();else if(2===a)e.range=r.readString();else if(3===a){var t=r.readMessage(readGlyph,{});e.glyphs[t.id]=t}}function readGlyph(a,e,r){1===a?e.id=r.readVarint():2===a?e.bitmap=r.readBytes():3===a?e.width=r.readVarint():4===a?e.height=r.readVarint():5===a?e.left=r.readSVarint():6===a?e.top=r.readSVarint():7===a&&(e.advance=r.readVarint())}module.exports=Glyphs;
},{}],116:[function(require,module,exports){
"use strict";function interpolate(t,e,n){return t*(1-n)+e*n}module.exports=interpolate,interpolate.number=interpolate,interpolate.vec2=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n)]},interpolate.color=function(t,e,n){return[interpolate(t[0],e[0],n),interpolate(t[1],e[1],n),interpolate(t[2],e[2],n),interpolate(t[3],e[3],n)]},interpolate.array=function(t,e,n){return t.map(function(t,r){return interpolate(t,e[r],n)})};
},{}],117:[function(require,module,exports){
"use strict";function multiPolygonIntersectsBufferedMultiPoint(e,n,t){for(var r=0;r<e.length;r++)for(var i=e[r],o=0;o<n.length;o++)for(var u=n[o],l=0;l<u.length;l++){var s=u[l];if(polygonContainsPoint(i,s))return!0;if(pointIntersectsBufferedLine(s,i,t))return!0}return!1}function multiPolygonIntersectsMultiPolygon(e,n){if(1===e.length&&1===e[0].length)return multiPolygonContainsPoint(n,e[0][0]);for(var t=0;t<n.length;t++)for(var r=n[t],i=0;i<r.length;i++)if(multiPolygonContainsPoint(e,r[i]))return!0;for(var o=0;o<e.length;o++){for(var u=e[o],l=0;l<u.length;l++)if(multiPolygonContainsPoint(n,u[l]))return!0;for(var s=0;s<n.length;s++)if(lineIntersectsLine(u,n[s]))return!0}return!1}function multiPolygonIntersectsBufferedMultiLine(e,n,t){for(var r=0;r<n.length;r++)for(var i=n[r],o=0;o<e.length;o++){var u=e[o];if(u.length>=3)for(var l=0;l<i.length;l++)if(polygonContainsPoint(u,i[l]))return!0;if(lineIntersectsBufferedLine(u,i,t))return!0}return!1}function lineIntersectsBufferedLine(e,n,t){if(e.length>1){if(lineIntersectsLine(e,n))return!0;for(var r=0;r<n.length;r++)if(pointIntersectsBufferedLine(n[r],e,t))return!0}for(var i=0;i<e.length;i++)if(pointIntersectsBufferedLine(e[i],n,t))return!0;return!1}function lineIntersectsLine(e,n){for(var t=0;t<e.length-1;t++)for(var r=e[t],i=e[t+1],o=0;o<n.length-1;o++){var u=n[o],l=n[o+1];if(lineSegmentIntersectsLineSegment(r,i,u,l))return!0}return!1}function lineSegmentIntersectsLineSegment(e,n,t,r){return isCounterClockwise(e,t,r)!==isCounterClockwise(n,t,r)&&isCounterClockwise(e,n,t)!==isCounterClockwise(e,n,r)}function pointIntersectsBufferedLine(e,n,t){var r=t*t;if(1===n.length)return e.distSqr(n[0])<r;for(var i=1;i<n.length;i++){var o=n[i-1],u=n[i];if(distToSegmentSquared(e,o,u)<r)return!0}return!1}function distToSegmentSquared(e,n,t){var r=n.distSqr(t);if(0===r)return e.distSqr(n);var i=((e.x-n.x)*(t.x-n.x)+(e.y-n.y)*(t.y-n.y))/r;return i<0?e.distSqr(n):i>1?e.distSqr(t):e.distSqr(t.sub(n)._mult(i)._add(n))}function multiPolygonContainsPoint(e,n){for(var t,r,i,o=!1,u=0;u<e.length;u++){t=e[u];for(var l=0,s=t.length-1;l<t.length;s=l++)r=t[l],i=t[s],r.y>n.y!=i.y>n.y&&n.x<(i.x-r.x)*(n.y-r.y)/(i.y-r.y)+r.x&&(o=!o)}return o}function polygonContainsPoint(e,n){for(var t=!1,r=0,i=e.length-1;r<e.length;i=r++){var o=e[r],u=e[i];o.y>n.y!=u.y>n.y&&n.x<(u.x-o.x)*(n.y-o.y)/(u.y-o.y)+o.x&&(t=!t)}return t}var isCounterClockwise=require("./util").isCounterClockwise;module.exports={multiPolygonIntersectsBufferedMultiPoint:multiPolygonIntersectsBufferedMultiPoint,multiPolygonIntersectsMultiPolygon:multiPolygonIntersectsMultiPolygon,multiPolygonIntersectsBufferedMultiLine:multiPolygonIntersectsBufferedMultiLine,distToSegmentSquared:distToSegmentSquared};
},{"./util":122}],118:[function(require,module,exports){
"use strict";function LRUCache(t,e){this.max=t,this.onRemove=e,this.reset()}module.exports=LRUCache,LRUCache.prototype.reset=function(){for(var t in this.data)this.onRemove(this.data[t]);return this.data={},this.order=[],this},LRUCache.prototype.add=function(t,e){if(this.has(t))this.order.splice(this.order.indexOf(t),1),this.data[t]=e,this.order.push(t);else if(this.data[t]=e,this.order.push(t),this.order.length>this.max){var i=this.get(this.order[0]);i&&this.onRemove(i)}return this},LRUCache.prototype.has=function(t){return t in this.data},LRUCache.prototype.keys=function(){return this.order},LRUCache.prototype.get=function(t){if(!this.has(t))return null;var e=this.data[t];return delete this.data[t],this.order.splice(this.order.indexOf(t),1),e},LRUCache.prototype.setMaxSize=function(t){for(this.max=t;this.order.length>this.max;){var e=this.get(this.order[0]);e&&this.onRemove(e)}return this};
},{}],119:[function(require,module,exports){
"use strict";function makeAPIURL(e,r,o){if(o=o||config.ACCESS_TOKEN,!o&&config.REQUIRE_ACCESS_TOKEN)throw new Error("An API access token is required to use Mapbox GL. See https://www.mapbox.com/developers/api/#access-tokens");var t=config.API_URL+e+(r?"?"+r:"");if(config.REQUIRE_ACCESS_TOKEN){if("s"===o[0])throw new Error("Use a public access token (pk.*) with Mapbox GL JS, not a secret access token (sk.*). See https://www.mapbox.com/developers/api/#access-tokens");t+=(r?"&":"?")+"access_token="+o}return t}function replaceTempAccessToken(e){return e.access_token&&"tk."===e.access_token.slice(0,3)?util.extend({},e,{access_token:config.ACCESS_TOKEN}):e}var config=require("./config"),browser=require("./browser"),URL=require("url"),util=require("./util");module.exports.isMapboxURL=function(e){return"mapbox:"===URL.parse(e).protocol},module.exports.normalizeStyleURL=function(e,r){var o=URL.parse(e);return"mapbox:"!==o.protocol?e:makeAPIURL("/styles/v1"+o.pathname,o.query,r)},module.exports.normalizeSourceURL=function(e,r){var o=URL.parse(e);if("mapbox:"!==o.protocol)return e;var t=e.match(/mapbox:\/\/([^?]+)/)[1];return makeAPIURL("/v4/"+t+".json",o.query,r)+"&secure"},module.exports.normalizeGlyphsURL=function(e,r){var o=URL.parse(e);if("mapbox:"!==o.protocol)return e;var t=o.pathname.split("/")[1];return makeAPIURL("/fonts/v1/"+t+"/{fontstack}/{range}.pbf",o.query,r)},module.exports.normalizeSpriteURL=function(e,r,o,t){var a=URL.parse(e);return"mapbox:"!==a.protocol?(a.pathname+=r+o,URL.format(a)):makeAPIURL("/styles/v1"+a.pathname+"/sprite"+r+o,a.query,t)},module.exports.normalizeTileURL=function(e,r,o){var t=URL.parse(e,!0);if(!r)return e;var a=URL.parse(r);if("mapbox:"!==a.protocol)return e;var s=browser.supportsWebp?".webp":"$1",n=browser.devicePixelRatio>=2||512===o?"@2x":"";return URL.format({protocol:t.protocol,hostname:t.hostname,pathname:t.pathname.replace(/(\.(?:png|jpg)\d*)/,n+s),query:replaceTempAccessToken(t.query)})};
},{"./browser":105,"./config":109,"./util":122,"url":131}],120:[function(require,module,exports){
"use strict";function StructArrayType(t){function e(){Struct.apply(this,arguments)}function r(){StructArray.apply(this,arguments),this.members=e.prototype.members}var i=JSON.stringify(t);if(structArrayTypeCache[i])return structArrayTypeCache[i];void 0===t.alignment&&(t.alignment=1),e.prototype=Object.create(Struct.prototype);var n=0,a=0,s=["Uint8"];return e.prototype.members=t.members.map(function(r){r={name:r.name,type:r.type,components:r.components||1},s.indexOf(r.type)<0&&s.push(r.type);var i=sizeOf(r.type);a=Math.max(a,i),r.offset=n=align(n,Math.max(t.alignment,i));for(var o=0;o<r.components;o++)Object.defineProperty(e.prototype,r.name+(1===r.components?"":o),{get:createGetter(r,o),set:createSetter(r,o)});return n+=i*r.components,r}),e.prototype.alignment=t.alignment,e.prototype.size=align(n,Math.max(a,t.alignment)),r.serialize=serializeStructArrayType,r.prototype=Object.create(StructArray.prototype),r.prototype.StructType=e,r.prototype.bytesPerElement=e.prototype.size,r.prototype.emplaceBack=createEmplaceBack(e.prototype.members,e.prototype.size),r.prototype._usedTypes=s,structArrayTypeCache[i]=r,r}function serializeStructArrayType(){return{members:this.prototype.StructType.prototype.members,alignment:this.prototype.StructType.prototype.alignment,bytesPerElement:this.prototype.bytesPerElement}}function align(t,e){return Math.ceil(t/e)*e}function sizeOf(t){return viewTypes[t].BYTES_PER_ELEMENT}function getArrayViewName(t){return t.toLowerCase()}function createEmplaceBack(t,e){for(var r=[],i=[],n="var i = this.length;\nthis.resize(this.length + 1);\n",a=0;a<t.length;a++){var s=t[a],o=sizeOf(s.type);r.indexOf(o)<0&&(r.push(o),n+="var o"+o.toFixed(0)+" = i * "+(e/o).toFixed(0)+";\n");for(var p=0;p<s.components;p++){var y="v"+i.length,c="o"+o.toFixed(0)+" + "+(s.offset/o+p).toFixed(0);n+="this."+getArrayViewName(s.type)+"["+c+"] = "+y+";\n",i.push(y)}}return n+="return i;",new Function(i,n)}function createMemberComponentString(t,e){var r="this._pos"+sizeOf(t.type).toFixed(0),i=(t.offset/sizeOf(t.type)+e).toFixed(0),n=r+" + "+i;return"this._structArray."+getArrayViewName(t.type)+"["+n+"]"}function createGetter(t,e){return new Function([],"return "+createMemberComponentString(t,e)+";")}function createSetter(t,e){return new Function(["x"],createMemberComponentString(t,e)+" = x;")}function Struct(t,e){this._structArray=t,this._pos1=e*this.size,this._pos2=this._pos1/2,this._pos4=this._pos1/4,this._pos8=this._pos1/8}function StructArray(t){void 0!==t?(this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.capacity=this.arrayBuffer.byteLength/this.bytesPerElement,this._refreshViews()):(this.capacity=-1,this.resize(0))}module.exports=StructArrayType;var viewTypes={Int8:Int8Array,Uint8:Uint8Array,Uint8Clamped:Uint8ClampedArray,Int16:Int16Array,Uint16:Uint16Array,Int32:Int32Array,Uint32:Uint32Array,Float32:Float32Array,Float64:Float64Array},structArrayTypeCache={};StructArray.prototype.DEFAULT_CAPACITY=128,StructArray.prototype.RESIZE_MULTIPLIER=5,StructArray.prototype.serialize=function(){return this.trim(),{length:this.length,arrayBuffer:this.arrayBuffer}},StructArray.prototype.get=function(t){return new this.StructType(this,t)},StructArray.prototype.trim=function(){this.length!==this.capacity&&(this.capacity=this.length,this.arrayBuffer=this.arrayBuffer.slice(0,this.length*this.bytesPerElement),this._refreshViews())},StructArray.prototype.resize=function(t){if(this.length=t,t>this.capacity){this.capacity=Math.max(t,Math.floor(this.capacity*this.RESIZE_MULTIPLIER),this.DEFAULT_CAPACITY),this.arrayBuffer=new ArrayBuffer(this.capacity*this.bytesPerElement);var e=this.uint8;this._refreshViews(),e&&this.uint8.set(e)}},StructArray.prototype._refreshViews=function(){for(var t=0;t<this._usedTypes.length;t++){var e=this._usedTypes[t];this[getArrayViewName(e)]=new viewTypes[e](this.arrayBuffer)}},StructArray.prototype.toArray=function(t,e){for(var r=[],i=t;i<e;i++){var n=this.get(i);r.push(n)}return r};
},{}],121:[function(require,module,exports){
"use strict";function resolveTokens(e,n){return n.replace(/{([^{}]+)}/g,function(n,r){return r in e?e[r]:""})}module.exports=resolveTokens;
},{}],122:[function(require,module,exports){
"use strict";var UnitBezier=require("unitbezier"),Coordinate=require("../geo/coordinate");exports.easeCubicInOut=function(r){if(r<=0)return 0;if(r>=1)return 1;var t=r*r,n=t*r;return 4*(r<.5?n:3*(r-t)+n-.75)},exports.bezier=function(r,t,n,e){var o=new UnitBezier(r,t,n,e);return function(r){return o.solve(r)}},exports.ease=exports.bezier(.25,.1,.25,1),exports.clamp=function(r,t,n){return Math.min(n,Math.max(t,r))},exports.wrap=function(r,t,n){var e=n-t,o=((r-t)%e+e)%e+t;return o===t?n:o},exports.coalesce=function(){for(var r=0;r<arguments.length;r++){var t=arguments[r];if(null!==t&&void 0!==t)return t}},exports.asyncAll=function(r,t,n){if(!r.length)return n(null,[]);var e=r.length,o=new Array(r.length),i=null;r.forEach(function(r,a){t(r,function(r,t){r&&(i=r),o[a]=t,0===--e&&n(i,o)})})},exports.keysDifference=function(r,t){var n=[];for(var e in r)e in t||n.push(e);return n},exports.extend=function(r){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var e in n)r[e]=n[e]}return r},exports.extendAll=function(r,t){for(var n in t)Object.defineProperty(r,n,Object.getOwnPropertyDescriptor(t,n));return r},exports.inherit=function(r,t){var n="function"==typeof r?r.prototype:r,e=Object.create(n);return exports.extendAll(e,t),e},exports.pick=function(r,t){for(var n={},e=0;e<t.length;e++){var o=t[e];o in r&&(n[o]=r[o])}return n};var id=1;exports.uniqueId=function(){return id++},exports.debounce=function(r,t){var n,e;return function(){e=arguments,clearTimeout(n),n=setTimeout(function(){r.apply(null,e)},t)}},exports.bindAll=function(r,t){r.forEach(function(r){t[r]&&(t[r]=t[r].bind(t))})},exports.bindHandlers=function(r){for(var t in r)"function"==typeof r[t]&&0===t.indexOf("_on")&&(r[t]=r[t].bind(r))},exports.setOptions=function(r,t){r.hasOwnProperty("options")||(r.options=r.options?Object.create(r.options):{});for(var n in t)r.options[n]=t[n];return r.options},exports.getCoordinatesCenter=function(r){for(var t=1/0,n=1/0,e=-(1/0),o=-(1/0),i=0;i<r.length;i++)t=Math.min(t,r[i].column),n=Math.min(n,r[i].row),e=Math.max(e,r[i].column),o=Math.max(o,r[i].row);var a=e-t,u=o-n,s=Math.max(a,u);return new Coordinate((t+e)/2,(n+o)/2,0).zoomTo(Math.floor(-Math.log(s)/Math.LN2))},exports.endsWith=function(r,t){return r.indexOf(t,r.length-t.length)!==-1},exports.startsWith=function(r,t){return 0===r.indexOf(t)},exports.mapObject=function(r,t,n){var e={};for(var o in r)e[o]=t.call(n||this,r[o],o,r);return e},exports.filterObject=function(r,t,n){var e={};for(var o in r)t.call(n||this,r[o],o,r)&&(e[o]=r[o]);return e},exports.deepEqual=function(r,t){if(Array.isArray(r)){if(!Array.isArray(t)||r.length!==t.length)return!1;for(var n=0;n<r.length;n++)if(!exports.deepEqual(r[n],t[n]))return!1;return!0}if("object"==typeof r&&null!==r&&null!==t){if("object"!=typeof t)return!1;var e=Object.keys(r);if(e.length!==Object.keys(t).length)return!1;for(var o in r)if(!exports.deepEqual(r[o],t[o]))return!1;return!0}return r===t},exports.clone=function(r){return Array.isArray(r)?r.map(exports.clone):"object"==typeof r?exports.mapObject(r,exports.clone):r},exports.arraysIntersect=function(r,t){for(var n=0;n<r.length;n++)if(t.indexOf(r[n])>=0)return!0;return!1};var warnOnceHistory={};exports.warnOnce=function(r){warnOnceHistory[r]||("undefined"!=typeof console&&console.warn(r),warnOnceHistory[r]=!0)},exports.isCounterClockwise=function(r,t,n){return(n.y-r.y)*(t.x-r.x)>(t.y-r.y)*(n.x-r.x)},exports.calculateSignedArea=function(r){for(var t,n,e=0,o=0,i=r.length,a=i-1;o<i;a=o++)t=r[o],n=r[a],e+=(n.x-t.x)*(t.y+n.y);return e},exports.isClosedPolygon=function(r){if(r.length<4)return!1;var t=r[0],n=r[r.length-1];return!(Math.abs(t.x-n.x)>0||Math.abs(t.y-n.y)>0)&&Math.abs(exports.calculateSignedArea(r))>.01},exports.sphericalToCartesian=function(r){var t=r[0],n=r[1],e=r[2];return n+=90,n*=Math.PI/180,e*=Math.PI/180,[t*Math.cos(n)*Math.sin(e),t*Math.sin(n)*Math.sin(e),t*Math.cos(e)]};
},{"../geo/coordinate":12,"unitbezier":201}],123:[function(require,module,exports){
"use strict";function Feature(e,t,r,i){this._vectorTileFeature=e,e._z=t,e._x=r,e._y=i,this.properties=e.properties,null!=e.id&&(this.id=e.id)}module.exports=Feature,Feature.prototype={type:"Feature",get geometry(){return void 0===this._geometry&&(this._geometry=this._vectorTileFeature.toGeoJSON(this._vectorTileFeature._x,this._vectorTileFeature._y,this._vectorTileFeature._z).geometry),this._geometry},set geometry(e){this._geometry=e},toJSON:function(){var e={};for(var t in this)"_geometry"!==t&&"_vectorTileFeature"!==t&&"toJSON"!==t&&(e[t]=this[t]);return e}};
},{}],124:[function(require,module,exports){
"use strict";function WorkerPool(){this.active={}}var WebWorker=require("./web_worker");module.exports=WorkerPool,WorkerPool.prototype={acquire:function(e){if(!this.workers){var r=require("../mapbox-gl").workerCount;for(this.workers=[];this.workers.length<r;)this.workers.push(new WebWorker)}return this.active[e]=!0,this.workers.slice()},release:function(e){delete this.active[e],0===Object.keys(this.active).length&&(this.workers.forEach(function(e){e.terminate()}),this.workers=null)}};
},{"../mapbox-gl":18,"./web_worker":106}],125:[function(require,module,exports){
(function (process){
function normalizeArray(r,t){for(var e=0,n=r.length-1;n>=0;n--){var s=r[n];"."===s?r.splice(n,1):".."===s?(r.splice(n,1),e++):e&&(r.splice(n,1),e--)}if(t)for(;e--;e)r.unshift("..");return r}function filter(r,t){if(r.filter)return r.filter(t);for(var e=[],n=0;n<r.length;n++)t(r[n],n,r)&&e.push(r[n]);return e}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/,splitPath=function(r){return splitPathRe.exec(r).slice(1)};exports.resolve=function(){for(var r="",t=!1,e=arguments.length-1;e>=-1&&!t;e--){var n=e>=0?arguments[e]:process.cwd();if("string"!=typeof n)throw new TypeError("Arguments to path.resolve must be strings");n&&(r=n+"/"+r,t="/"===n.charAt(0))}return r=normalizeArray(filter(r.split("/"),function(r){return!!r}),!t).join("/"),(t?"/":"")+r||"."},exports.normalize=function(r){var t=exports.isAbsolute(r),e="/"===substr(r,-1);return r=normalizeArray(filter(r.split("/"),function(r){return!!r}),!t).join("/"),r||t||(r="."),r&&e&&(r+="/"),(t?"/":"")+r},exports.isAbsolute=function(r){return"/"===r.charAt(0)},exports.join=function(){var r=Array.prototype.slice.call(arguments,0);return exports.normalize(filter(r,function(r,t){if("string"!=typeof r)throw new TypeError("Arguments to path.join must be strings");return r}).join("/"))},exports.relative=function(r,t){function e(r){for(var t=0;t<r.length&&""===r[t];t++);for(var e=r.length-1;e>=0&&""===r[e];e--);return t>e?[]:r.slice(t,e-t+1)}r=exports.resolve(r).substr(1),t=exports.resolve(t).substr(1);for(var n=e(r.split("/")),s=e(t.split("/")),i=Math.min(n.length,s.length),o=i,u=0;u<i;u++)if(n[u]!==s[u]){o=u;break}for(var l=[],u=o;u<n.length;u++)l.push("..");return l=l.concat(s.slice(o)),l.join("/")},exports.sep="/",exports.delimiter=":",exports.dirname=function(r){var t=splitPath(r),e=t[0],n=t[1];return e||n?(n&&(n=n.substr(0,n.length-1)),e+n):"."},exports.basename=function(r,t){var e=splitPath(r)[2];return t&&e.substr(-1*t.length)===t&&(e=e.substr(0,e.length-t.length)),e},exports.extname=function(r){return splitPath(r)[3]};var substr="b"==="ab".substr(-1)?function(r,t,e){return r.substr(t,e)}:function(r,t,e){return t<0&&(t=r.length+t),r.substr(t,e)};
}).call(this,require('_process'))

},{"_process":126}],126:[function(require,module,exports){
function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}function runTimeout(e){if(cachedSetTimeout===setTimeout)return setTimeout(e,0);if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout)return cachedSetTimeout=setTimeout,setTimeout(e,0);try{return cachedSetTimeout(e,0)}catch(t){try{return cachedSetTimeout.call(null,e,0)}catch(t){return cachedSetTimeout.call(this,e,0)}}}function runClearTimeout(e){if(cachedClearTimeout===clearTimeout)return clearTimeout(e);if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout)return cachedClearTimeout=clearTimeout,clearTimeout(e);try{return cachedClearTimeout(e)}catch(t){try{return cachedClearTimeout.call(null,e)}catch(t){return cachedClearTimeout.call(this,e)}}}function cleanUpNextTick(){draining&&currentQueue&&(draining=!1,currentQueue.length?queue=currentQueue.concat(queue):queueIndex=-1,queue.length&&drainQueue())}function drainQueue(){if(!draining){var e=runTimeout(cleanUpNextTick);draining=!0;for(var t=queue.length;t;){for(currentQueue=queue,queue=[];++queueIndex<t;)currentQueue&&currentQueue[queueIndex].run();queueIndex=-1,t=queue.length}currentQueue=null,draining=!1,runClearTimeout(e)}}function Item(e,t){this.fun=e,this.array=t}function noop(){}var process=module.exports={},cachedSetTimeout,cachedClearTimeout;!function(){try{cachedSetTimeout="function"==typeof setTimeout?setTimeout:defaultSetTimout}catch(e){cachedSetTimeout=defaultSetTimout}try{cachedClearTimeout="function"==typeof clearTimeout?clearTimeout:defaultClearTimeout}catch(e){cachedClearTimeout=defaultClearTimeout}}();var queue=[],draining=!1,currentQueue,queueIndex=-1;process.nextTick=function(e){var t=new Array(arguments.length-1);if(arguments.length>1)for(var u=1;u<arguments.length;u++)t[u-1]=arguments[u];queue.push(new Item(e,t)),1!==queue.length||draining||runTimeout(drainQueue)},Item.prototype.run=function(){this.fun.apply(null,this.array)},process.title="browser",process.browser=!0,process.env={},process.argv=[],process.version="",process.versions={},process.on=noop,process.addListener=noop,process.once=noop,process.off=noop,process.removeListener=noop,process.removeAllListeners=noop,process.emit=noop,process.binding=function(e){throw new Error("process.binding is not supported")},process.cwd=function(){return"/"},process.chdir=function(e){throw new Error("process.chdir is not supported")},process.umask=function(){return 0};
},{}],127:[function(require,module,exports){
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y="["===this.hostname[0]&&"]"===this.hostname[this.hostname.length-1];if(!y)for(var P=this.hostname.split(/\./),f=0,d=P.length;f<d;f++){var q=P[f];if(q&&!q.match(hostnamePartPattern)){for(var b="",O=0,j=q.length;O<j;O++)b+=q.charCodeAt(O)>127?"x":q[O];if(!b.match(hostnamePartPattern)){var x=P.slice(0,f),U=P.slice(f+1),C=q.match(hostnamePartStart);C&&(x.push(C[1]),U.unshift(C[2])),U.length&&(n="/"+U.join(".")+n),this.hostname=x.join(".");break}}}this.hostname.length>hostnameMaxLen?this.hostname="":this.hostname=this.hostname.toLowerCase(),y||(this.hostname=punycode.toASCII(this.hostname));var A=this.port?":"+this.port:"",w=this.hostname||"";this.host=w+A,this.href+=this.host,y&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==n[0]&&(n="/"+n))}if(!unsafeProtocol[u])for(var f=0,d=autoEscape.length;f<d;f++){var E=autoEscape[f];if(n.indexOf(E)!==-1){var I=encodeURIComponent(E);I===E&&(I=escape(E)),n=n.split(E).join(I)}}var 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s&&":"!==s.substr(-1)&&(s+=":"),this.slashes||(!s||slashedProtocol[s])&&r!==!1?(r="//"+(r||""),e&&"/"!==e.charAt(0)&&(e="/"+e)):r||(r=""),h&&"#"!==h.charAt(0)&&(h="#"+h),o&&"?"!==o.charAt(0)&&(o="?"+o),e=e.replace(/[?#]/g,function(t){return encodeURIComponent(t)}),o=o.replace("#","%23"),s+r+e+o+h},Url.prototype.resolve=function(t){return this.resolveObject(urlParse(t,!1,!0)).format()},Url.prototype.resolveObject=function(t){if(util.isString(t)){var s=new Url;s.parse(t,!1,!0),t=s}for(var e=new Url,h=Object.keys(this),r=0;r<h.length;r++){var a=h[r];e[a]=this[a]}if(e.hash=t.hash,""===t.href)return e.href=e.format(),e;if(t.slashes&&!t.protocol){for(var o=Object.keys(t),n=0;n<o.length;n++){var i=o[n];"protocol"!==i&&(e[i]=t[i])}return slashedProtocol[e.protocol]&&e.hostname&&!e.pathname&&(e.path=e.pathname="/"),e.href=e.format(),e}if(t.protocol&&t.protocol!==e.protocol){if(!slashedProtocol[t.protocol]){for(var l=Object.keys(t),u=0;u<l.length;u++){var p=l[u];e[p]=t[p]}return e.href=e.format(),e}if(e.protocol=t.protocol,t.host||hostlessProtocol[t.protocol])e.pathname=t.pathname;else{for(var c=(t.pathname||"").split("/");c.length&&!(t.host=c.shift()););t.host||(t.host=""),t.hostname||(t.hostname=""),""!==c[0]&&c.unshift(""),c.length<2&&c.unshift(""),e.pathname=c.join("/")}if(e.search=t.search,e.query=t.query,e.host=t.host||"",e.auth=t.auth,e.hostname=t.hostname||t.host,e.port=t.port,e.pathname||e.search){var f=e.pathname||"",m=e.search||"";e.path=f+m}return e.slashes=e.slashes||t.slashes,e.href=e.format(),e}var v=e.pathname&&"/"===e.pathname.charAt(0),g=t.host||t.pathname&&"/"===t.pathname.charAt(0),y=g||v||e.host&&t.pathname,P=y,d=e.pathname&&e.pathname.split("/")||[],c=t.pathname&&t.pathname.split("/")||[],q=e.protocol&&!slashedProtocol[e.protocol];if(q&&(e.hostname="",e.port=null,e.host&&(""===d[0]?d[0]=e.host:d.unshift(e.host)),e.host="",t.protocol&&(t.hostname=null,t.port=null,t.host&&(""===c[0]?c[0]=t.host:c.unshift(t.host)),t.host=null),y=y&&(""===c[0]||""===d[0])),g)e.host=t.host||""===t.host?t.host:e.host,e.hostname=t.hostname||""===t.hostname?t.hostname:e.hostname,e.search=t.search,e.query=t.query,d=c;else if(c.length)d||(d=[]),d.pop(),d=d.concat(c),e.search=t.search,e.query=t.query;else if(!util.isNullOrUndefined(t.search)){if(q){e.hostname=e.host=d.shift();var b=!!(e.host&&e.host.indexOf("@")>0)&&e.host.split("@");b&&(e.auth=b.shift(),e.host=e.hostname=b.shift())}return e.search=t.search,e.query=t.query,util.isNull(e.pathname)&&util.isNull(e.search)||(e.path=(e.pathname?e.pathname:"")+(e.search?e.search:"")),e.href=e.format(),e}if(!d.length)return e.pathname=null,e.search?e.path="/"+e.search:e.path=null,e.href=e.format(),e;for(var O=d.slice(-1)[0],j=(e.host||t.host||d.length>1)&&("."===O||".."===O)||""===O,x=0,U=d.length;U>=0;U--)O=d[U],"."===O?d.splice(U,1):".."===O?(d.splice(U,1),x++):x&&(d.splice(U,1),x--);if(!y&&!P)for(;x--;x)d.unshift("..");!y||""===d[0]||d[0]&&"/"===d[0].charAt(0)||d.unshift(""),j&&"/"!==d.join("/").substr(-1)&&d.push("");var C=""===d[0]||d[0]&&"/"===d[0].charAt(0);if(q){e.hostname=e.host=C?"":d.length?d.shift():"";var b=!!(e.host&&e.host.indexOf("@")>0)&&e.host.split("@");b&&(e.auth=b.shift(),e.host=e.hostname=b.shift())}return y=y||e.host&&d.length,y&&!C&&d.unshift(""),d.length?e.pathname=d.join("/"):(e.pathname=null,e.path=null),util.isNull(e.pathname)&&util.isNull(e.search)||(e.path=(e.pathname?e.pathname:"")+(e.search?e.search:"")),e.auth=t.auth||e.auth,e.slashes=e.slashes||t.slashes,e.href=e.format(),e},Url.prototype.parseHost=function(){var t=this.host,s=portPattern.exec(t);s&&(s=s[0],":"!==s&&(this.port=s.substr(1)),t=t.substr(0,t.length-s.length)),t&&(this.hostname=t)};
},{"./util":132,"punycode":127,"querystring":130}],132:[function(require,module,exports){
"use strict";module.exports={isString:function(n){return"string"==typeof n},isObject:function(n){return"object"==typeof n&&null!==n},isNull:function(n){return null===n},isNullOrUndefined:function(n){return null==n}};
},{}],133:[function(require,module,exports){
"function"==typeof Object.create?module.exports=function(t,e){t.super_=e,t.prototype=Object.create(e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}})}:module.exports=function(t,e){t.super_=e;var o=function(){};o.prototype=e.prototype,t.prototype=new o,t.prototype.constructor=t};
},{}],134:[function(require,module,exports){
module.exports=function(o){return o&&"object"==typeof o&&"function"==typeof o.copy&&"function"==typeof o.fill&&"function"==typeof o.readUInt8};
},{}],135:[function(require,module,exports){
(function (process,global){
function inspect(e,r){var t={seen:[],stylize:stylizeNoColor};return arguments.length>=3&&(t.depth=arguments[2]),arguments.length>=4&&(t.colors=arguments[3]),isBoolean(r)?t.showHidden=r:r&&exports._extend(t,r),isUndefined(t.showHidden)&&(t.showHidden=!1),isUndefined(t.depth)&&(t.depth=2),isUndefined(t.colors)&&(t.colors=!1),isUndefined(t.customInspect)&&(t.customInspect=!0),t.colors&&(t.stylize=stylizeWithColor),formatValue(t,e,t.depth)}function stylizeWithColor(e,r){var t=inspect.styles[r];return t?"["+inspect.colors[t][0]+"m"+e+"["+inspect.colors[t][1]+"m":e}function stylizeNoColor(e,r){return e}function arrayToHash(e){var r={};return e.forEach(function(e,t){r[e]=!0}),r}function formatValue(e,r,t){if(e.customInspect&&r&&isFunction(r.inspect)&&r.inspect!==exports.inspect&&(!r.constructor||r.constructor.prototype!==r)){var n=r.inspect(t,e);return isString(n)||(n=formatValue(e,n,t)),n}var i=formatPrimitive(e,r);if(i)return i;var o=Object.keys(r),s=arrayToHash(o);if(e.showHidden&&(o=Object.getOwnPropertyNames(r)),isError(r)&&(o.indexOf("message")>=0||o.indexOf("description")>=0))return formatError(r);if(0===o.length){if(isFunction(r)){var u=r.name?": "+r.name:"";return e.stylize("[Function"+u+"]","special")}if(isRegExp(r))return e.stylize(RegExp.prototype.toString.call(r),"regexp");if(isDate(r))return e.stylize(Date.prototype.toString.call(r),"date");if(isError(r))return formatError(r)}var c="",a=!1,l=["{","}"];if(isArray(r)&&(a=!0,l=["[","]"]),isFunction(r)){var p=r.name?": "+r.name:"";c=" [Function"+p+"]"}if(isRegExp(r)&&(c=" "+RegExp.prototype.toString.call(r)),isDate(r)&&(c=" "+Date.prototype.toUTCString.call(r)),isError(r)&&(c=" "+formatError(r)),0===o.length&&(!a||0==r.length))return l[0]+c+l[1];if(t<0)return isRegExp(r)?e.stylize(RegExp.prototype.toString.call(r),"regexp"):e.stylize("[Object]","special");e.seen.push(r);var f;return f=a?formatArray(e,r,t,s,o):o.map(function(n){return formatProperty(e,r,t,s,n,a)}),e.seen.pop(),reduceToSingleString(f,c,l)}function formatPrimitive(e,r){if(isUndefined(r))return e.stylize("undefined","undefined");if(isString(r)){var t="'"+JSON.stringify(r).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return e.stylize(t,"string")}return isNumber(r)?e.stylize(""+r,"number"):isBoolean(r)?e.stylize(""+r,"boolean"):isNull(r)?e.stylize("null","null"):void 0}function formatError(e){return"["+Error.prototype.toString.call(e)+"]"}function formatArray(e,r,t,n,i){for(var o=[],s=0,u=r.length;s<u;++s)hasOwnProperty(r,String(s))?o.push(formatProperty(e,r,t,n,String(s),!0)):o.push("");return i.forEach(function(i){i.match(/^\d+$/)||o.push(formatProperty(e,r,t,n,i,!0))}),o}function formatProperty(e,r,t,n,i,o){var s,u,c;if(c=Object.getOwnPropertyDescriptor(r,i)||{value:r[i]},c.get?u=c.set?e.stylize("[Getter/Setter]","special"):e.stylize("[Getter]","special"):c.set&&(u=e.stylize("[Setter]","special")),hasOwnProperty(n,i)||(s="["+i+"]"),u||(e.seen.indexOf(c.value)<0?(u=isNull(t)?formatValue(e,c.value,null):formatValue(e,c.value,t-1),u.indexOf("\n")>-1&&(u=o?u.split("\n").map(function(e){return"  "+e}).join("\n").substr(2):"\n"+u.split("\n").map(function(e){return"   "+e}).join("\n"))):u=e.stylize("[Circular]","special")),isUndefined(s)){if(o&&i.match(/^\d+$/))return u;s=JSON.stringify(""+i),s.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)?(s=s.substr(1,s.length-2),s=e.stylize(s,"name")):(s=s.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'"),s=e.stylize(s,"string"))}return s+": "+u}function reduceToSingleString(e,r,t){var n=0,i=e.reduce(function(e,r){return n++,r.indexOf("\n")>=0&&n++,e+r.replace(/\u001b\[\d\d?m/g,"").length+1},0);return i>60?t[0]+(""===r?"":r+"\n ")+" "+e.join(",\n  ")+" "+t[1]:t[0]+r+" "+e.join(", ")+" "+t[1]}function isArray(e){return Array.isArray(e)}function isBoolean(e){return"boolean"==typeof e}function isNull(e){return null===e}function isNullOrUndefined(e){return null==e}function isNumber(e){return"number"==typeof e}function isString(e){return"string"==typeof e}function isSymbol(e){return"symbol"==typeof e}function isUndefined(e){return void 0===e}function isRegExp(e){return isObject(e)&&"[object RegExp]"===objectToString(e)}function isObject(e){return"object"==typeof e&&null!==e}function isDate(e){return isObject(e)&&"[object Date]"===objectToString(e)}function isError(e){return isObject(e)&&("[object Error]"===objectToString(e)||e instanceof Error)}function isFunction(e){return"function"==typeof e}function isPrimitive(e){return null===e||"boolean"==typeof e||"number"==typeof e||"string"==typeof e||"symbol"==typeof e||"undefined"==typeof e}function objectToString(e){return Object.prototype.toString.call(e)}function pad(e){return e<10?"0"+e.toString(10):e.toString(10)}function timestamp(){var e=new Date,r=[pad(e.getHours()),pad(e.getMinutes()),pad(e.getSeconds())].join(":");return[e.getDate(),months[e.getMonth()],r].join(" ")}function hasOwnProperty(e,r){return Object.prototype.hasOwnProperty.call(e,r)}var formatRegExp=/%[sdj%]/g;exports.format=function(e){if(!isString(e)){for(var r=[],t=0;t<arguments.length;t++)r.push(inspect(arguments[t]));return r.join(" ")}for(var t=1,n=arguments,i=n.length,o=String(e).replace(formatRegExp,function(e){if("%%"===e)return"%";if(t>=i)return e;switch(e){case"%s":return String(n[t++]);case"%d":return Number(n[t++]);case"%j":try{return JSON.stringify(n[t++])}catch(e){return"[Circular]"}default:return e}}),s=n[t];t<i;s=n[++t])o+=isNull(s)||!isObject(s)?" "+s:" "+inspect(s);return o},exports.deprecate=function(e,r){function t(){if(!n){if(process.throwDeprecation)throw new Error(r);process.traceDeprecation?console.trace(r):console.error(r),n=!0}return e.apply(this,arguments)}if(isUndefined(global.process))return function(){return exports.deprecate(e,r).apply(this,arguments)};if(process.noDeprecation===!0)return e;var n=!1;return t};var debugs={},debugEnviron;exports.debuglog=function(e){if(isUndefined(debugEnviron)&&(debugEnviron=process.env.NODE_DEBUG||""),e=e.toUpperCase(),!debugs[e])if(new RegExp("\\b"+e+"\\b","i").test(debugEnviron)){var r=process.pid;debugs[e]=function(){var t=exports.format.apply(exports,arguments);console.error("%s %d: %s",e,r,t)}}else debugs[e]=function(){};return debugs[e]},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"},exports.isArray=isArray,exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.isError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=require("./support/isBuffer");var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))},exports.inherits=require("inherits"),exports._extend=function(e,r){if(!r||!isObject(r))return e;for(var t=Object.keys(r),n=t.length;n--;)e[t[n]]=r[t[n]];return e};
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})

},{"./support/isBuffer":134,"_process":126,"inherits":133}],136:[function(require,module,exports){
function clamp_css_byte(e){return e=Math.round(e),e<0?0:e>255?255:e}function clamp_css_float(e){return e<0?0:e>1?1:e}function parse_css_int(e){return clamp_css_byte("%"===e[e.length-1]?parseFloat(e)/100*255:parseInt(e))}function parse_css_float(e){return clamp_css_float("%"===e[e.length-1]?parseFloat(e)/100:parseFloat(e))}function css_hue_to_rgb(e,r,l){return l<0?l+=1:l>1&&(l-=1),6*l<1?e+(r-e)*l*6:2*l<1?r:3*l<2?e+(r-e)*(2/3-l)*6:e}function parseCSSColor(e){var r=e.replace(/ /g,"").toLowerCase();if(r in kCSSColorTable)return kCSSColorTable[r].slice();if("#"===r[0]){if(4===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=4095?[(3840&l)>>4|(3840&l)>>8,240&l|(240&l)>>4,15&l|(15&l)<<4,1]:null}if(7===r.length){var l=parseInt(r.substr(1),16);return l>=0&&l<=16777215?[(16711680&l)>>16,(65280&l)>>8,255&l,1]:null}return null}var a=r.indexOf("("),t=r.indexOf(")");if(a!==-1&&t+1===r.length){var n=r.substr(0,a),s=r.substr(a+1,t-(a+1)).split(","),o=1;switch(n){case"rgba":if(4!==s.length)return null;o=parse_css_float(s.pop());case"rgb":return 3!==s.length?null:[parse_css_int(s[0]),parse_css_int(s[1]),parse_css_int(s[2]),o];case"hsla":if(4!==s.length)return null;o=parse_css_float(s.pop());case"hsl":if(3!==s.length)return null;var i=(parseFloat(s[0])%360+360)%360/360,u=parse_css_float(s[1]),g=parse_css_float(s[2]),d=g<=.5?g*(u+1):g+u-g*u,c=2*g-d;return[clamp_css_byte(255*css_hue_to_rgb(c,d,i+1/3)),clamp_css_byte(255*css_hue_to_rgb(c,d,i)),clamp_css_byte(255*css_hue_to_rgb(c,d,i-1/3)),o];default:return null}}return null}var kCSSColorTable={transparent:[0,0,0,0],aliceblue:[240,248,255,1],antiquewhite:[250,235,215,1],aqua:[0,255,255,1],aquamarine:[127,255,212,1],azure:[240,255,255,1],beige:[245,245,220,1],bisque:[255,228,196,1],black:[0,0,0,1],blanchedalmond:[255,235,205,1],blue:[0,0,255,1],blueviolet:[138,43,226,1],brown:[165,42,42,1],burlywood:[222,184,135,1],cadetblue:[95,158,160,1],chartreuse:[127,255,0,1],chocolate:[210,105,30,1],coral:[255,127,80,1],cornflowerblue:[100,149,237,1],cornsilk:[255,248,220,1],crimson:[220,20,60,1],cyan:[0,255,255,1],darkblue:[0,0,139,1],darkcyan:[0,139,139,1],darkgoldenrod:[184,134,11,1],darkgray:[169,169,169,1],darkgreen:[0,100,0,1],darkgrey:[169,169,169,1],darkkhaki:[189,183,107,1],darkmagenta:[139,0,139,1],darkolivegreen:[85,107,47,1],darkorange:[255,140,0,1],darkorchid:[153,50,204,1],darkred:[139,0,0,1],darksalmon:[233,150,122,1],darkseagreen:[143,188,143,1],darkslateblue:[72,61,139,1],darkslategray:[47,79,79,1],darkslategrey:[47,79,79,1],darkturquoise:[0,206,209,1],darkviolet:[148,0,211,1],deeppink:[255,20,147,1],deepskyblue:[0,191,255,1],dimgray:[105,105,105,1],dimgrey:[105,105,105,1],dodgerblue:[30,144,255,1],firebrick:[178,34,34,1],floralwhite:[255,250,240,1],forestgreen:[34,139,34,1],fuchsia:[255,0,255,1],gainsboro:[220,220,220,1],ghostwhite:[248,248,255,1],gold:[255,215,0,1],goldenrod:[218,165,32,1],gray:[128,128,128,1],green:[0,128,0,1],greenyellow:[173,255,47,1],grey:[128,128,128,1],honeydew:[240,255,240,1],hotpink:[255,105,180,1],indianred:[205,92,92,1],indigo:[75,0,130,1],ivory:[255,255,240,1],khaki:[240,230,140,1],lavender:[230,230,250,1],lavenderblush:[255,240,245,1],lawngreen:[124,252,0,1],lemonchiffon:[255,250,205,1],lightblue:[173,216,230,1],lightcoral:[240,128,128,1],lightcyan:[224,255,255,1],lightgoldenrodyellow:[250,250,210,1],lightgray:[211,211,211,1],lightgreen:[144,238,144,1],lightgrey:[211,211,211,1],lightpink:[255,182,193,1],lightsalmon:[255,160,122,1],lightseagreen:[32,178,170,1],lightskyblue:[135,206,250,1],lightslategray:[119,136,153,1],lightslategrey:[119,136,153,1],lightsteelblue:[176,196,222,1],lightyellow:[255,255,224,1],lime:[0,255,0,1],limegreen:[50,205,50,1],linen:[250,240,230,1],magenta:[255,0,255,1],maroon:[128,0,0,1],mediumaquamarine:[102,205,170,1],mediumblue:[0,0,205,1],mediumorchid:[186,85,211,1],mediumpurple:[147,112,219,1],mediumseagreen:[60,179,113,1],mediumslateblue:[123,104,238,1],mediumspringgreen:[0,250,154,1],mediumturquoise:[72,209,204,1],mediumvioletred:[199,21,133,1],midnightblue:[25,25,112,1],mintcream:[245,255,250,1],mistyrose:[255,228,225,1],moccasin:[255,228,181,1],navajowhite:[255,222,173,1],navy:[0,0,128,1],oldlace:[253,245,230,1],olive:[128,128,0,1],olivedrab:[107,142,35,1],orange:[255,165,0,1],orangered:[255,69,0,1],orchid:[218,112,214,1],palegoldenrod:[238,232,170,1],palegreen:[152,251,152,1],paleturquoise:[175,238,238,1],palevioletred:[219,112,147,1],papayawhip:[255,239,213,1],peachpuff:[255,218,185,1],peru:[205,133,63,1],pink:[255,192,203,1],plum:[221,160,221,1],powderblue:[176,224,230,1],purple:[128,0,128,1],rebeccapurple:[102,51,153,1],red:[255,0,0,1],rosybrown:[188,143,143,1],royalblue:[65,105,225,1],saddlebrown:[139,69,19,1],salmon:[250,128,114,1],sandybrown:[244,164,96,1],seagreen:[46,139,87,1],seashell:[255,245,238,1],sienna:[160,82,45,1],silver:[192,192,192,1],skyblue:[135,206,235,1],slateblue:[106,90,205,1],slategray:[112,128,144,1],slategrey:[112,128,144,1],snow:[255,250,250,1],springgreen:[0,255,127,1],steelblue:[70,130,180,1],tan:[210,180,140,1],teal:[0,128,128,1],thistle:[216,191,216,1],tomato:[255,99,71,1],turquoise:[64,224,208,1],violet:[238,130,238,1],wheat:[245,222,179,1],white:[255,255,255,1],whitesmoke:[245,245,245,1],yellow:[255,255,0,1],yellowgreen:[154,205,50,1]};try{exports.parseCSSColor=parseCSSColor}catch(e){}
},{}],137:[function(require,module,exports){
"use strict";function earcut(e,n,r){r=r||2;var t=n&&n.length,i=t?n[0]*r:e.length,x=linkedList(e,0,i,r,!0),a=[];if(!x)return a;var o,l,u,s,v,f,y;if(t&&(x=eliminateHoles(e,n,x,r)),e.length>80*r){o=u=e[0],l=s=e[1];for(var d=r;d<i;d+=r)v=e[d],f=e[d+1],v<o&&(o=v),f<l&&(l=f),v>u&&(u=v),f>s&&(s=f);y=Math.max(u-o,s-l)}return earcutLinked(x,a,r,o,l,y),a}function linkedList(e,n,r,t,i){var x,a;if(i===signedArea(e,n,r,t)>0)for(x=n;x<r;x+=t)a=insertNode(x,e[x],e[x+1],a);else for(x=r-t;x>=n;x-=t)a=insertNode(x,e[x],e[x+1],a);return a&&equals(a,a.next)&&(removeNode(a),a=a.next),a}function filterPoints(e,n){if(!e)return e;n||(n=e);var r,t=e;do if(r=!1,t.steiner||!equals(t,t.next)&&0!==area(t.prev,t,t.next))t=t.next;else{if(removeNode(t),t=n=t.prev,t===t.next)return null;r=!0}while(r||t!==n);return n}function earcutLinked(e,n,r,t,i,x,a){if(e){!a&&x&&indexCurve(e,t,i,x);for(var o,l,u=e;e.prev!==e.next;)if(o=e.prev,l=e.next,x?isEarHashed(e,t,i,x):isEar(e))n.push(o.i/r),n.push(e.i/r),n.push(l.i/r),removeNode(e),e=l.next,u=l.next;else if(e=l,e===u){a?1===a?(e=cureLocalIntersections(e,n,r),earcutLinked(e,n,r,t,i,x,2)):2===a&&splitEarcut(e,n,r,t,i,x):earcutLinked(filterPoints(e),n,r,t,i,x,1);break}}}function isEar(e){var n=e.prev,r=e,t=e.next;if(area(n,r,t)>=0)return!1;for(var i=e.next.next;i!==e.prev;){if(pointInTriangle(n.x,n.y,r.x,r.y,t.x,t.y,i.x,i.y)&&area(i.prev,i,i.next)>=0)return!1;i=i.next}return!0}function isEarHashed(e,n,r,t){var i=e.prev,x=e,a=e.next;if(area(i,x,a)>=0)return!1;for(var o=i.x<x.x?i.x<a.x?i.x:a.x:x.x<a.x?x.x:a.x,l=i.y<x.y?i.y<a.y?i.y:a.y:x.y<a.y?x.y:a.y,u=i.x>x.x?i.x>a.x?i.x:a.x:x.x>a.x?x.x:a.x,s=i.y>x.y?i.y>a.y?i.y:a.y:x.y>a.y?x.y:a.y,v=zOrder(o,l,n,r,t),f=zOrder(u,s,n,r,t),y=e.nextZ;y&&y.z<=f;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.nextZ}for(y=e.prevZ;y&&y.z>=v;){if(y!==e.prev&&y!==e.next&&pointInTriangle(i.x,i.y,x.x,x.y,a.x,a.y,y.x,y.y)&&area(y.prev,y,y.next)>=0)return!1;y=y.prevZ}return!0}function cureLocalIntersections(e,n,r){var t=e;do{var i=t.prev,x=t.next.next;!equals(i,x)&&intersects(i,t,t.next,x)&&locallyInside(i,x)&&locallyInside(x,i)&&(n.push(i.i/r),n.push(t.i/r),n.push(x.i/r),removeNode(t),removeNode(t.next),t=e=x),t=t.next}while(t!==e);return t}function splitEarcut(e,n,r,t,i,x){var a=e;do{for(var o=a.next.next;o!==a.prev;){if(a.i!==o.i&&isValidDiagonal(a,o)){var l=splitPolygon(a,o);return a=filterPoints(a,a.next),l=filterPoints(l,l.next),earcutLinked(a,n,r,t,i,x),void earcutLinked(l,n,r,t,i,x)}o=o.next}a=a.next}while(a!==e)}function eliminateHoles(e,n,r,t){var i,x,a,o,l,u=[];for(i=0,x=n.length;i<x;i++)a=n[i]*t,o=i<x-1?n[i+1]*t:e.length,l=linkedList(e,a,o,t,!1),l===l.next&&(l.steiner=!0),u.push(getLeftmost(l));for(u.sort(compareX),i=0;i<u.length;i++)eliminateHole(u[i],r),r=filterPoints(r,r.next);return r}function compareX(e,n){return e.x-n.x}function eliminateHole(e,n){if(n=findHoleBridge(e,n)){var r=splitPolygon(n,e);filterPoints(r,r.next)}}function findHoleBridge(e,n){var r,t=n,i=e.x,x=e.y,a=-(1/0);do{if(x<=t.y&&x>=t.next.y){var o=t.x+(x-t.y)*(t.next.x-t.x)/(t.next.y-t.y);if(o<=i&&o>a){if(a=o,o===i){if(x===t.y)return t;if(x===t.next.y)return t.next}r=t.x<t.next.x?t:t.next}}t=t.next}while(t!==n);if(!r)return null;if(i===a)return r.prev;var l,u=r,s=r.x,v=r.y,f=1/0;for(t=r.next;t!==u;)i>=t.x&&t.x>=s&&pointInTriangle(x<v?i:a,x,s,v,x<v?a:i,x,t.x,t.y)&&(l=Math.abs(x-t.y)/(i-t.x),(l<f||l===f&&t.x>r.x)&&locallyInside(t,e)&&(r=t,f=l)),t=t.next;return r}function indexCurve(e,n,r,t){var i=e;do null===i.z&&(i.z=zOrder(i.x,i.y,n,r,t)),i.prevZ=i.prev,i.nextZ=i.next,i=i.next;while(i!==e);i.prevZ.nextZ=null,i.prevZ=null,sortLinked(i)}function sortLinked(e){var n,r,t,i,x,a,o,l,u=1;do{for(r=e,e=null,x=null,a=0;r;){for(a++,t=r,o=0,n=0;n<u&&(o++,t=t.nextZ,t);n++);for(l=u;o>0||l>0&&t;)0===o?(i=t,t=t.nextZ,l--):0!==l&&t?r.z<=t.z?(i=r,r=r.nextZ,o--):(i=t,t=t.nextZ,l--):(i=r,r=r.nextZ,o--),x?x.nextZ=i:e=i,i.prevZ=x,x=i;r=t}x.nextZ=null,u*=2}while(a>1);return e}function zOrder(e,n,r,t,i){return e=32767*(e-r)/i,n=32767*(n-t)/i,e=16711935&(e|e<<8),e=252645135&(e|e<<4),e=858993459&(e|e<<2),e=1431655765&(e|e<<1),n=16711935&(n|n<<8),n=252645135&(n|n<<4),n=858993459&(n|n<<2),n=1431655765&(n|n<<1),e|n<<1}function getLeftmost(e){var n=e,r=e;do n.x<r.x&&(r=n),n=n.next;while(n!==e);return r}function pointInTriangle(e,n,r,t,i,x,a,o){return(i-a)*(n-o)-(e-a)*(x-o)>=0&&(e-a)*(t-o)-(r-a)*(n-o)>=0&&(r-a)*(x-o)-(i-a)*(t-o)>=0}function isValidDiagonal(e,n){return e.next.i!==n.i&&e.prev.i!==n.i&&!intersectsPolygon(e,n)&&locallyInside(e,n)&&locallyInside(n,e)&&middleInside(e,n)}function area(e,n,r){return(n.y-e.y)*(r.x-n.x)-(n.x-e.x)*(r.y-n.y)}function equals(e,n){return e.x===n.x&&e.y===n.y}function intersects(e,n,r,t){return!!(equals(e,n)&&equals(r,t)||equals(e,t)&&equals(r,n))||area(e,n,r)>0!=area(e,n,t)>0&&area(r,t,e)>0!=area(r,t,n)>0}function intersectsPolygon(e,n){var r=e;do{if(r.i!==e.i&&r.next.i!==e.i&&r.i!==n.i&&r.next.i!==n.i&&intersects(r,r.next,e,n))return!0;r=r.next}while(r!==e);return!1}function locallyInside(e,n){return area(e.prev,e,e.next)<0?area(e,n,e.next)>=0&&area(e,e.prev,n)>=0:area(e,n,e.prev)<0||area(e,e.next,n)<0}function middleInside(e,n){var r=e,t=!1,i=(e.x+n.x)/2,x=(e.y+n.y)/2;do r.y>x!=r.next.y>x&&i<(r.next.x-r.x)*(x-r.y)/(r.next.y-r.y)+r.x&&(t=!t),r=r.next;while(r!==e);return t}function splitPolygon(e,n){var r=new Node(e.i,e.x,e.y),t=new Node(n.i,n.x,n.y),i=e.next,x=n.prev;return e.next=n,n.prev=e,r.next=i,i.prev=r,t.next=r,r.prev=t,x.next=t,t.prev=x,t}function insertNode(e,n,r,t){var i=new Node(e,n,r);return t?(i.next=t.next,i.prev=t,t.next.prev=i,t.next=i):(i.prev=i,i.next=i),i}function removeNode(e){e.next.prev=e.prev,e.prev.next=e.next,e.prevZ&&(e.prevZ.nextZ=e.nextZ),e.nextZ&&(e.nextZ.prevZ=e.prevZ)}function Node(e,n,r){this.i=e,this.x=n,this.y=r,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}function signedArea(e,n,r,t){for(var i=0,x=n,a=r-t;x<r;x+=t)i+=(e[a]-e[x])*(e[x+1]+e[a+1]),a=x;return i}module.exports=earcut,earcut.deviation=function(e,n,r,t){var i=n&&n.length,x=i?n[0]*r:e.length,a=Math.abs(signedArea(e,0,x,r));if(i)for(var o=0,l=n.length;o<l;o++){var u=n[o]*r,s=o<l-1?n[o+1]*r:e.length;a-=Math.abs(signedArea(e,u,s,r))}var v=0;for(o=0;o<t.length;o+=3){var f=t[o]*r,y=t[o+1]*r,d=t[o+2]*r;v+=Math.abs((e[f]-e[d])*(e[y+1]-e[f+1])-(e[f]-e[y])*(e[d+1]-e[f+1]))}return 0===a&&0===v?0:Math.abs((v-a)/a)},earcut.flatten=function(e){for(var n=e[0][0].length,r={vertices:[],holes:[],dimensions:n},t=0,i=0;i<e.length;i++){for(var x=0;x<e[i].length;x++)for(var a=0;a<n;a++)r.vertices.push(e[i][x][a]);i>0&&(t+=e[i-1].length,r.holes.push(t))}return r};
},{}],138:[function(require,module,exports){
"use strict";function createFilter(e){return new Function("f","var p = (f && f.properties || {}); return "+compile(e))}function compile(e){if(!e)return"true";var i=e[0];if(e.length<=1)return"any"===i?"false":"true";var n="=="===i?compileComparisonOp(e[1],e[2],"===",!1):"!="===i?compileComparisonOp(e[1],e[2],"!==",!1):"<"===i||">"===i||"<="===i||">="===i?compileComparisonOp(e[1],e[2],i,!0):"any"===i?compileLogicalOp(e.slice(1),"||"):"all"===i?compileLogicalOp(e.slice(1),"&&"):"none"===i?compileNegation(compileLogicalOp(e.slice(1),"||")):"in"===i?compileInOp(e[1],e.slice(2)):"!in"===i?compileNegation(compileInOp(e[1],e.slice(2))):"has"===i?compileHasOp(e[1]):"!has"===i?compileNegation(compileHasOp([e[1]])):"true";return"("+n+")"}function compilePropertyReference(e){return"$type"===e?"f.type":"$id"===e?"f.id":"p["+JSON.stringify(e)+"]"}function compileComparisonOp(e,i,n,r){var o=compilePropertyReference(e),t="$type"===e?types.indexOf(i):JSON.stringify(i);return(r?"typeof "+o+"=== typeof "+t+"&&":"")+o+n+t}function compileLogicalOp(e,i){return e.map(compile).join(i)}function compileInOp(e,i){"$type"===e&&(i=i.map(function(e){return types.indexOf(e)}));var n=JSON.stringify(i.sort(compare)),r=compilePropertyReference(e);return i.length<=200?n+".indexOf("+r+") !== -1":"function(v, a, i, j) {while (i <= j) { var m = (i + j) >> 1;    if (a[m] === v) return true; if (a[m] > v) j = m - 1; else i = m + 1;}return false; }("+r+", "+n+",0,"+(i.length-1)+")"}function compileHasOp(e){return JSON.stringify(e)+" in p"}function compileNegation(e){return"!("+e+")"}function compare(e,i){return e<i?-1:e>i?1:0}module.exports=createFilter;var types=["Unknown","Point","LineString","Polygon"];
},{}],139:[function(require,module,exports){
function rewind(r,e){switch(r&&r.type||null){case"FeatureCollection":return r.features=r.features.map(curryOuter(rewind,e)),r;case"Feature":return r.geometry=rewind(r.geometry,e),r;case"Polygon":case"MultiPolygon":return correct(r,e);default:return r}}function curryOuter(r,e){return function(n){return r(n,e)}}function correct(r,e){return"Polygon"===r.type?r.coordinates=correctRings(r.coordinates,e):"MultiPolygon"===r.type&&(r.coordinates=r.coordinates.map(curryOuter(correctRings,e))),r}function correctRings(r,e){e=!!e,r[0]=wind(r[0],!e);for(var n=1;n<r.length;n++)r[n]=wind(r[n],e);return r}function wind(r,e){return cw(r)===e?r:r.reverse()}function cw(r){return geojsonArea.ring(r)>=0}var geojsonArea=require("geojson-area");module.exports=rewind;
},{"geojson-area":140}],140:[function(require,module,exports){
function geometry(r){if("Polygon"===r.type)return polygonArea(r.coordinates);if("MultiPolygon"===r.type){for(var e=0,n=0;n<r.coordinates.length;n++)e+=polygonArea(r.coordinates[n]);return e}return null}function polygonArea(r){var e=0;if(r&&r.length>0){e+=Math.abs(ringArea(r[0]));for(var n=1;n<r.length;n++)e-=Math.abs(ringArea(r[n]))}return e}function ringArea(r){var e=0;if(r.length>2){for(var n,t,o=0;o<r.length-1;o++)n=r[o],t=r[o+1],e+=rad(t[0]-n[0])*(2+Math.sin(rad(n[1]))+Math.sin(rad(t[1])));e=e*wgs84.RADIUS*wgs84.RADIUS/2}return e}function rad(r){return r*Math.PI/180}var wgs84=require("wgs84");module.exports.geometry=geometry,module.exports.ring=ringArea;
},{"wgs84":141}],141:[function(require,module,exports){
module.exports.RADIUS=6378137,module.exports.FLATTENING=1/298.257223563,module.exports.POLAR_RADIUS=6356752.3142;
},{}],142:[function(require,module,exports){
"use strict";function clip(e,r,t,n,u,i,l,s){if(t/=r,n/=r,l>=t&&s<=n)return e;if(l>n||s<t)return null;for(var h=[],p=0;p<e.length;p++){var a,c,o=e[p],f=o.geometry,g=o.type;if(a=o.min[u],c=o.max[u],a>=t&&c<=n)h.push(o);else if(!(a>n||c<t)){var v=1===g?clipPoints(f,t,n,u):clipGeometry(f,t,n,u,i,3===g);v.length&&h.push(createFeature(o.tags,g,v,o.id))}}return h.length?h:null}function clipPoints(e,r,t,n){for(var u=[],i=0;i<e.length;i++){var l=e[i],s=l[n];s>=r&&s<=t&&u.push(l)}return u}function clipGeometry(e,r,t,n,u,i){for(var l=[],s=0;s<e.length;s++){var h,p,a,c=0,o=0,f=null,g=e[s],v=g.area,m=g.dist,w=g.outer,S=g.length,d=[];for(p=0;p<S-1;p++)h=f||g[p],f=g[p+1],c=o||h[n],o=f[n],c<r?o>t?(d.push(u(h,f,r),u(h,f,t)),i||(d=newSlice(l,d,v,m,w))):o>=r&&d.push(u(h,f,r)):c>t?o<r?(d.push(u(h,f,t),u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o<=t&&d.push(u(h,f,t)):(d.push(h),o<r?(d.push(u(h,f,r)),i||(d=newSlice(l,d,v,m,w))):o>t&&(d.push(u(h,f,t)),i||(d=newSlice(l,d,v,m,w))));h=g[S-1],c=h[n],c>=r&&c<=t&&d.push(h),a=d[d.length-1],i&&a&&(d[0][0]!==a[0]||d[0][1]!==a[1])&&d.push(d[0]),newSlice(l,d,v,m,w)}return l}function newSlice(e,r,t,n,u){return r.length&&(r.area=t,r.dist=n,void 0!==u&&(r.outer=u),e.push(r)),[]}module.exports=clip;var createFeature=require("./feature");
},{"./feature":144}],143:[function(require,module,exports){
"use strict";function convert(e,t){var r=[];if("FeatureCollection"===e.type)for(var o=0;o<e.features.length;o++)convertFeature(r,e.features[o],t);else"Feature"===e.type?convertFeature(r,e,t):convertFeature(r,{geometry:e},t);return r}function convertFeature(e,t,r){if(null!==t.geometry){var o,a,i,n,u=t.geometry,c=u.type,l=u.coordinates,s=t.properties,p=t.id;if("Point"===c)e.push(createFeature(s,1,[projectPoint(l)],p));else if("MultiPoint"===c)e.push(createFeature(s,1,project(l),p));else if("LineString"===c)e.push(createFeature(s,2,[project(l,r)],p));else if("MultiLineString"===c||"Polygon"===c){for(i=[],o=0;o<l.length;o++)n=project(l[o],r),"Polygon"===c&&(n.outer=0===o),i.push(n);e.push(createFeature(s,"Polygon"===c?3:2,i,p))}else if("MultiPolygon"===c){for(i=[],o=0;o<l.length;o++)for(a=0;a<l[o].length;a++)n=project(l[o][a],r),n.outer=0===a,i.push(n);e.push(createFeature(s,3,i,p))}else{if("GeometryCollection"!==c)throw new Error("Input data is not a valid GeoJSON object.");for(o=0;o<u.geometries.length;o++)convertFeature(e,{geometry:u.geometries[o],properties:s},r)}}}function project(e,t){for(var r=[],o=0;o<e.length;o++)r.push(projectPoint(e[o]));return t&&(simplify(r,t),calcSize(r)),r}function projectPoint(e){var t=Math.sin(e[1]*Math.PI/180),r=e[0]/360+.5,o=.5-.25*Math.log((1+t)/(1-t))/Math.PI;return o=o<0?0:o>1?1:o,[r,o,0]}function calcSize(e){for(var t,r,o=0,a=0,i=0;i<e.length-1;i++)t=r||e[i],r=e[i+1],o+=t[0]*r[1]-r[0]*t[1],a+=Math.abs(r[0]-t[0])+Math.abs(r[1]-t[1]);e.area=Math.abs(o/2),e.dist=a}module.exports=convert;var simplify=require("./simplify"),createFeature=require("./feature");
},{"./feature":144,"./simplify":146}],144:[function(require,module,exports){
"use strict";function createFeature(e,t,a,n){var r={id:n||null,type:t,geometry:a,tags:e||null,min:[1/0,1/0],max:[-(1/0),-(1/0)]};return calcBBox(r),r}function calcBBox(e){var t=e.geometry,a=e.min,n=e.max;if(1===e.type)calcRingBBox(a,n,t);else for(var r=0;r<t.length;r++)calcRingBBox(a,n,t[r]);return e}function calcRingBBox(e,t,a){for(var n,r=0;r<a.length;r++)n=a[r],e[0]=Math.min(n[0],e[0]),t[0]=Math.max(n[0],t[0]),e[1]=Math.min(n[1],e[1]),t[1]=Math.max(n[1],t[1])}module.exports=createFeature;
},{}],145:[function(require,module,exports){
"use strict";function geojsonvt(e,t){return new GeoJSONVT(e,t)}function GeoJSONVT(e,t){t=this.options=extend(Object.create(this.options),t);var i=t.debug;i&&console.time("preprocess data");var o=1<<t.maxZoom,n=convert(e,t.tolerance/(o*t.extent));this.tiles={},this.tileCoords=[],i&&(console.timeEnd("preprocess data"),console.log("index: maxZoom: %d, maxPoints: %d",t.indexMaxZoom,t.indexMaxPoints),console.time("generate tiles"),this.stats={},this.total=0),n=wrap(n,t.buffer/t.extent,intersectX),n.length&&this.splitTile(n,0,0,0),i&&(n.length&&console.log("features: %d, points: %d",this.tiles[0].numFeatures,this.tiles[0].numPoints),console.timeEnd("generate tiles"),console.log("tiles generated:",this.total,JSON.stringify(this.stats)))}function toID(e,t,i){return 32*((1<<e)*i+t)+e}function intersectX(e,t,i){return[i,(i-e[0])*(t[1]-e[1])/(t[0]-e[0])+e[1],1]}function intersectY(e,t,i){return[(i-e[1])*(t[0]-e[0])/(t[1]-e[1])+e[0],i,1]}function extend(e,t){for(var i in t)e[i]=t[i];return e}function isClippedSquare(e,t,i){var o=e.source;if(1!==o.length)return!1;var n=o[0];if(3!==n.type||n.geometry.length>1)return!1;var r=n.geometry[0].length;if(5!==r)return!1;for(var s=0;s<r;s++){var l=transform.point(n.geometry[0][s],t,e.z2,e.x,e.y);if(l[0]!==-i&&l[0]!==t+i||l[1]!==-i&&l[1]!==t+i)return!1}return!0}module.exports=geojsonvt;var convert=require("./convert"),transform=require("./transform"),clip=require("./clip"),wrap=require("./wrap"),createTile=require("./tile");GeoJSONVT.prototype.options={maxZoom:14,indexMaxZoom:5,indexMaxPoints:1e5,solidChildren:!1,tolerance:3,extent:4096,buffer:64,debug:0},GeoJSONVT.prototype.splitTile=function(e,t,i,o,n,r,s){for(var l=[e,t,i,o],a=this.options,u=a.debug,c=null;l.length;){o=l.pop(),i=l.pop(),t=l.pop(),e=l.pop();var p=1<<t,d=toID(t,i,o),m=this.tiles[d],f=t===a.maxZoom?0:a.tolerance/(p*a.extent);if(!m&&(u>1&&console.time("creation"),m=this.tiles[d]=createTile(e,p,i,o,f,t===a.maxZoom),this.tileCoords.push({z:t,x:i,y:o}),u)){u>1&&(console.log("tile z%d-%d-%d (features: %d, points: %d, simplified: %d)",t,i,o,m.numFeatures,m.numPoints,m.numSimplified),console.timeEnd("creation"));var h="z"+t;this.stats[h]=(this.stats[h]||0)+1,this.total++}if(m.source=e,n){if(t===a.maxZoom||t===n)continue;var x=1<<n-t;if(i!==Math.floor(r/x)||o!==Math.floor(s/x))continue}else if(t===a.indexMaxZoom||m.numPoints<=a.indexMaxPoints)continue;if(a.solidChildren||!isClippedSquare(m,a.extent,a.buffer)){m.source=null,u>1&&console.time("clipping");var g,v,M,T,b,y,S=.5*a.buffer/a.extent,Z=.5-S,q=.5+S,w=1+S;g=v=M=T=null,b=clip(e,p,i-S,i+q,0,intersectX,m.min[0],m.max[0]),y=clip(e,p,i+Z,i+w,0,intersectX,m.min[0],m.max[0]),b&&(g=clip(b,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),v=clip(b,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),y&&(M=clip(y,p,o-S,o+q,1,intersectY,m.min[1],m.max[1]),T=clip(y,p,o+Z,o+w,1,intersectY,m.min[1],m.max[1])),u>1&&console.timeEnd("clipping"),e.length&&(l.push(g||[],t+1,2*i,2*o),l.push(v||[],t+1,2*i,2*o+1),l.push(M||[],t+1,2*i+1,2*o),l.push(T||[],t+1,2*i+1,2*o+1))}else n&&(c=t)}return c},GeoJSONVT.prototype.getTile=function(e,t,i){var o=this.options,n=o.extent,r=o.debug,s=1<<e;t=(t%s+s)%s;var l=toID(e,t,i);if(this.tiles[l])return transform.tile(this.tiles[l],n);r>1&&console.log("drilling down to z%d-%d-%d",e,t,i);for(var a,u=e,c=t,p=i;!a&&u>0;)u--,c=Math.floor(c/2),p=Math.floor(p/2),a=this.tiles[toID(u,c,p)];if(!a||!a.source)return null;if(r>1&&console.log("found parent tile z%d-%d-%d",u,c,p),isClippedSquare(a,n,o.buffer))return transform.tile(a,n);r>1&&console.time("drilling down");var d=this.splitTile(a.source,u,c,p,e,t,i);if(r>1&&console.timeEnd("drilling down"),null!==d){var m=1<<e-d;l=toID(d,Math.floor(t/m),Math.floor(i/m))}return this.tiles[l]?transform.tile(this.tiles[l],n):null};
},{"./clip":142,"./convert":143,"./tile":147,"./transform":148,"./wrap":149}],146:[function(require,module,exports){
"use strict";function simplify(t,i){var e,p,r,s,o=i*i,f=t.length,u=0,n=f-1,g=[];for(t[u][2]=1,t[n][2]=1;n;){for(p=0,e=u+1;e<n;e++)r=getSqSegDist(t[e],t[u],t[n]),r>p&&(s=e,p=r);p>o?(t[s][2]=p,g.push(u),g.push(s),u=s):(n=g.pop(),u=g.pop())}}function getSqSegDist(t,i,e){var p=i[0],r=i[1],s=e[0],o=e[1],f=t[0],u=t[1],n=s-p,g=o-r;if(0!==n||0!==g){var l=((f-p)*n+(u-r)*g)/(n*n+g*g);l>1?(p=s,r=o):l>0&&(p+=n*l,r+=g*l)}return n=f-p,g=u-r,n*n+g*g}module.exports=simplify;
},{}],147:[function(require,module,exports){
"use strict";function createTile(e,n,r,i,t,u){for(var a={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:i,z2:n,transformed:!1,min:[2,1],max:[-1,0]},m=0;m<e.length;m++){a.numFeatures++,addFeature(a,e[m],t,u);var s=e[m].min,l=e[m].max;s[0]<a.min[0]&&(a.min[0]=s[0]),s[1]<a.min[1]&&(a.min[1]=s[1]),l[0]>a.max[0]&&(a.max[0]=l[0]),l[1]>a.max[1]&&(a.max[1]=l[1])}return a}function addFeature(e,n,r,i){var t,u,a,m,s=n.geometry,l=n.type,o=[],f=r*r;if(1===l)for(t=0;t<s.length;t++)o.push(s[t]),e.numPoints++,e.numSimplified++;else for(t=0;t<s.length;t++)if(a=s[t],i||!(2===l&&a.dist<r||3===l&&a.area<f)){var d=[];for(u=0;u<a.length;u++)m=a[u],(i||m[2]>f)&&(d.push(m),e.numSimplified++),e.numPoints++;3===l&&rewind(d,a.outer),o.push(d)}else e.numPoints+=a.length;if(o.length){var g={geometry:o,type:l,tags:n.tags||null};null!==n.id&&(g.id=n.id),e.features.push(g)}}function rewind(e,n){var r=signedArea(e);r<0===n&&e.reverse()}function signedArea(e){for(var n,r,i=0,t=0,u=e.length,a=u-1;t<u;a=t++)n=e[t],r=e[a],i+=(r[0]-n[0])*(n[1]+r[1]);return i}module.exports=createTile;
},{}],148:[function(require,module,exports){
"use strict";function transformTile(r,t){if(r.transformed)return r;var n,e,o,f=r.z2,a=r.x,s=r.y;for(n=0;n<r.features.length;n++){var i=r.features[n],u=i.geometry,m=i.type;if(1===m)for(e=0;e<u.length;e++)u[e]=transformPoint(u[e],t,f,a,s);else for(e=0;e<u.length;e++){var l=u[e];for(o=0;o<l.length;o++)l[o]=transformPoint(l[o],t,f,a,s)}}return r.transformed=!0,r}function transformPoint(r,t,n,e,o){var f=Math.round(t*(r[0]*n-e)),a=Math.round(t*(r[1]*n-o));return[f,a]}exports.tile=transformTile,exports.point=transformPoint;
},{}],149:[function(require,module,exports){
"use strict";function wrap(r,e,t){var o=r,a=clip(r,1,-1-e,e,0,t,-1,2),s=clip(r,1,1-e,2+e,0,t,-1,2);return(a||s)&&(o=clip(r,1,-e,1+e,0,t,-1,2)||[],a&&(o=shiftFeatureCoords(a,1).concat(o)),s&&(o=o.concat(shiftFeatureCoords(s,-1)))),o}function shiftFeatureCoords(r,e){for(var t=[],o=0;o<r.length;o++){var a,s=r[o],i=s.type;if(1===i)a=shiftCoords(s.geometry,e);else{a=[];for(var u=0;u<s.geometry.length;u++)a.push(shiftCoords(s.geometry[u],e))}t.push(createFeature(s.tags,i,a,s.id))}return t}function shiftCoords(r,e){var t=[];t.area=r.area,t.dist=r.dist;for(var o=0;o<r.length;o++)t.push([r[o][0]+e,r[o][1],r[o][2]]);return t}var clip=require("./clip"),createFeature=require("./feature");module.exports=wrap;
},{"./clip":142,"./feature":144}],150:[function(require,module,exports){
exports.glMatrix=require("./gl-matrix/common.js"),exports.mat2=require("./gl-matrix/mat2.js"),exports.mat2d=require("./gl-matrix/mat2d.js"),exports.mat3=require("./gl-matrix/mat3.js"),exports.mat4=require("./gl-matrix/mat4.js"),exports.quat=require("./gl-matrix/quat.js"),exports.vec2=require("./gl-matrix/vec2.js"),exports.vec3=require("./gl-matrix/vec3.js"),exports.vec4=require("./gl-matrix/vec4.js");
},{"./gl-matrix/common.js":151,"./gl-matrix/mat2.js":152,"./gl-matrix/mat2d.js":153,"./gl-matrix/mat3.js":154,"./gl-matrix/mat4.js":155,"./gl-matrix/quat.js":156,"./gl-matrix/vec2.js":157,"./gl-matrix/vec3.js":158,"./gl-matrix/vec4.js":159}],151:[function(require,module,exports){
var glMatrix={};glMatrix.EPSILON=1e-6,glMatrix.ARRAY_TYPE="undefined"!=typeof Float32Array?Float32Array:Array,glMatrix.RANDOM=Math.random,glMatrix.ENABLE_SIMD=!1,glMatrix.SIMD_AVAILABLE=glMatrix.ARRAY_TYPE===Float32Array&&"SIMD"in this,glMatrix.USE_SIMD=glMatrix.ENABLE_SIMD&&glMatrix.SIMD_AVAILABLE,glMatrix.setMatrixArrayType=function(a){glMatrix.ARRAY_TYPE=a};var degree=Math.PI/180;glMatrix.toRadian=function(a){return a*degree},glMatrix.equals=function(a,r){return Math.abs(a-r)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(r))},module.exports=glMatrix;
},{}],152:[function(require,module,exports){
var glMatrix=require("./common.js"),mat2={};mat2.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},mat2.clone=function(t){var a=new glMatrix.ARRAY_TYPE(4);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a},mat2.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t},mat2.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t},mat2.fromValues=function(t,a,n,r){var u=new glMatrix.ARRAY_TYPE(4);return u[0]=t,u[1]=a,u[2]=n,u[3]=r,u},mat2.set=function(t,a,n,r,u){return t[0]=a,t[1]=n,t[2]=r,t[3]=u,t},mat2.transpose=function(t,a){if(t===a){var n=a[1];t[1]=a[2],t[2]=n}else t[0]=a[0],t[1]=a[2],t[2]=a[1],t[3]=a[3];return t},mat2.invert=function(t,a){var n=a[0],r=a[1],u=a[2],e=a[3],i=n*e-u*r;return i?(i=1/i,t[0]=e*i,t[1]=-r*i,t[2]=-u*i,t[3]=n*i,t):null},mat2.adjoint=function(t,a){var n=a[0];return t[0]=a[3],t[1]=-a[1],t[2]=-a[2],t[3]=n,t},mat2.determinant=function(t){return t[0]*t[3]-t[2]*t[1]},mat2.multiply=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=n[0],o=n[1],c=n[2],M=n[3];return t[0]=r*m+e*o,t[1]=u*m+i*o,t[2]=r*c+e*M,t[3]=u*c+i*M,t},mat2.mul=mat2.multiply,mat2.rotate=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=Math.sin(n),o=Math.cos(n);return t[0]=r*o+e*m,t[1]=u*o+i*m,t[2]=r*-m+e*o,t[3]=u*-m+i*o,t},mat2.scale=function(t,a,n){var r=a[0],u=a[1],e=a[2],i=a[3],m=n[0],o=n[1];return t[0]=r*m,t[1]=u*m,t[2]=e*o,t[3]=i*o,t},mat2.fromRotation=function(t,a){var n=Math.sin(a),r=Math.cos(a);return t[0]=r,t[1]=n,t[2]=-n,t[3]=r,t},mat2.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=a[1],t},mat2.str=function(t){return"mat2("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},mat2.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2))},mat2.LDU=function(t,a,n,r){return t[2]=r[2]/r[0],n[0]=r[0],n[1]=r[1],n[3]=r[3]-t[2]*n[1],[t,a,n]},mat2.add=function(t,a,n){return t[0]=a[0]+n[0],t[1]=a[1]+n[1],t[2]=a[2]+n[2],t[3]=a[3]+n[3],t},mat2.subtract=function(t,a,n){return t[0]=a[0]-n[0],t[1]=a[1]-n[1],t[2]=a[2]-n[2],t[3]=a[3]-n[3],t},mat2.sub=mat2.subtract,mat2.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]},mat2.equals=function(t,a){var n=t[0],r=t[1],u=t[2],e=t[3],i=a[0],m=a[1],o=a[2],c=a[3];return Math.abs(n-i)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(i))&&Math.abs(r-m)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(m))&&Math.abs(u-o)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(o))&&Math.abs(e-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(c))},mat2.multiplyScalar=function(t,a,n){return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t},mat2.multiplyScalarAndAdd=function(t,a,n,r){return t[0]=a[0]+n[0]*r,t[1]=a[1]+n[1]*r,t[2]=a[2]+n[2]*r,t[3]=a[3]+n[3]*r,t},module.exports=mat2;
},{"./common.js":151}],153:[function(require,module,exports){
var glMatrix=require("./common.js"),mat2d={};mat2d.create=function(){var t=new glMatrix.ARRAY_TYPE(6);return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=0,t[5]=0,t},mat2d.clone=function(t){var a=new glMatrix.ARRAY_TYPE(6);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a},mat2d.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t},mat2d.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=0,t[5]=0,t},mat2d.fromValues=function(t,a,n,r,u,m){var i=new glMatrix.ARRAY_TYPE(6);return i[0]=t,i[1]=a,i[2]=n,i[3]=r,i[4]=u,i[5]=m,i},mat2d.set=function(t,a,n,r,u,m,i){return t[0]=a,t[1]=n,t[2]=r,t[3]=u,t[4]=m,t[5]=i,t},mat2d.invert=function(t,a){var n=a[0],r=a[1],u=a[2],m=a[3],i=a[4],o=a[5],M=n*m-r*u;return M?(M=1/M,t[0]=m*M,t[1]=-r*M,t[2]=-u*M,t[3]=n*M,t[4]=(u*o-m*i)*M,t[5]=(r*i-n*o)*M,t):null},mat2d.determinant=function(t){return t[0]*t[3]-t[1]*t[2]},mat2d.multiply=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1],c=n[2],s=n[3],h=n[4],l=n[5];return t[0]=r*e+m*d,t[1]=u*e+i*d,t[2]=r*c+m*s,t[3]=u*c+i*s,t[4]=r*h+m*l+o,t[5]=u*h+i*l+M,t},mat2d.mul=mat2d.multiply,mat2d.rotate=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=Math.sin(n),d=Math.cos(n);return t[0]=r*d+m*e,t[1]=u*d+i*e,t[2]=r*-e+m*d,t[3]=u*-e+i*d,t[4]=o,t[5]=M,t},mat2d.scale=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1];return t[0]=r*e,t[1]=u*e,t[2]=m*d,t[3]=i*d,t[4]=o,t[5]=M,t},mat2d.translate=function(t,a,n){var r=a[0],u=a[1],m=a[2],i=a[3],o=a[4],M=a[5],e=n[0],d=n[1];return t[0]=r,t[1]=u,t[2]=m,t[3]=i,t[4]=r*e+m*d+o,t[5]=u*e+i*d+M,t},mat2d.fromRotation=function(t,a){var n=Math.sin(a),r=Math.cos(a);return t[0]=r,t[1]=n,t[2]=-n,t[3]=r,t[4]=0,t[5]=0,t},mat2d.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=a[1],t[4]=0,t[5]=0,t},mat2d.fromTranslation=function(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=1,t[4]=a[0],t[5]=a[1],t},mat2d.str=function(t){return"mat2d("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+")"},mat2d.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+1)},mat2d.add=function(t,a,n){return t[0]=a[0]+n[0],t[1]=a[1]+n[1],t[2]=a[2]+n[2],t[3]=a[3]+n[3],t[4]=a[4]+n[4],t[5]=a[5]+n[5],t},mat2d.subtract=function(t,a,n){return t[0]=a[0]-n[0],t[1]=a[1]-n[1],t[2]=a[2]-n[2],t[3]=a[3]-n[3],t[4]=a[4]-n[4],t[5]=a[5]-n[5],t},mat2d.sub=mat2d.subtract,mat2d.multiplyScalar=function(t,a,n){return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t[4]=a[4]*n,t[5]=a[5]*n,t},mat2d.multiplyScalarAndAdd=function(t,a,n,r){return t[0]=a[0]+n[0]*r,t[1]=a[1]+n[1]*r,t[2]=a[2]+n[2]*r,t[3]=a[3]+n[3]*r,t[4]=a[4]+n[4]*r,t[5]=a[5]+n[5]*r,t},mat2d.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]},mat2d.equals=function(t,a){var n=t[0],r=t[1],u=t[2],m=t[3],i=t[4],o=t[5],M=a[0],e=a[1],d=a[2],c=a[3],s=a[4],h=a[5];return Math.abs(n-M)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(M))&&Math.abs(r-e)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(e))&&Math.abs(u-d)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(d))&&Math.abs(m-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(c))&&Math.abs(i-s)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(s))&&Math.abs(o-h)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(h))},module.exports=mat2d;
},{"./common.js":151}],154:[function(require,module,exports){
var glMatrix=require("./common.js"),mat3={};mat3.create=function(){var t=new glMatrix.ARRAY_TYPE(9);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromMat4=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[4],t[4]=a[5],t[5]=a[6],t[6]=a[8],t[7]=a[9],t[8]=a[10],t},mat3.clone=function(t){var a=new glMatrix.ARRAY_TYPE(9);return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a},mat3.copy=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t},mat3.fromValues=function(t,a,r,n,u,M,m,o,i){var e=new glMatrix.ARRAY_TYPE(9);return e[0]=t,e[1]=a,e[2]=r,e[3]=n,e[4]=u,e[5]=M,e[6]=m,e[7]=o,e[8]=i,e},mat3.set=function(t,a,r,n,u,M,m,o,i,e){return t[0]=a,t[1]=r,t[2]=n,t[3]=u,t[4]=M,t[5]=m,t[6]=o,t[7]=i,t[8]=e,t},mat3.identity=function(t){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.transpose=function(t,a){if(t===a){var r=a[1],n=a[2],u=a[5];t[1]=a[3],t[2]=a[6],t[3]=r,t[5]=a[7],t[6]=n,t[7]=u}else t[0]=a[0],t[1]=a[3],t[2]=a[6],t[3]=a[1],t[4]=a[4],t[5]=a[7],t[6]=a[2],t[7]=a[5],t[8]=a[8];return t},mat3.invert=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8],s=h*m-o*e,c=-h*M+o*i,l=e*M-m*i,f=r*s+n*c+u*l;return f?(f=1/f,t[0]=s*f,t[1]=(-h*n+u*e)*f,t[2]=(o*n-u*m)*f,t[3]=c*f,t[4]=(h*r-u*i)*f,t[5]=(-o*r+u*M)*f,t[6]=l*f,t[7]=(-e*r+n*i)*f,t[8]=(m*r-n*M)*f,t):null},mat3.adjoint=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8];return t[0]=m*h-o*e,t[1]=u*e-n*h,t[2]=n*o-u*m,t[3]=o*i-M*h,t[4]=r*h-u*i,t[5]=u*M-r*o,t[6]=M*e-m*i,t[7]=n*i-r*e,t[8]=r*m-n*M,t},mat3.determinant=function(t){var a=t[0],r=t[1],n=t[2],u=t[3],M=t[4],m=t[5],o=t[6],i=t[7],e=t[8];return a*(e*M-m*i)+r*(-e*u+m*o)+n*(i*u-M*o)},mat3.multiply=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=r[0],l=r[1],f=r[2],b=r[3],x=r[4],v=r[5],p=r[6],g=r[7],E=r[8];return t[0]=c*n+l*m+f*e,t[1]=c*u+l*o+f*h,t[2]=c*M+l*i+f*s,t[3]=b*n+x*m+v*e,t[4]=b*u+x*o+v*h,t[5]=b*M+x*i+v*s,t[6]=p*n+g*m+E*e,t[7]=p*u+g*o+E*h,t[8]=p*M+g*i+E*s,t},mat3.mul=mat3.multiply,mat3.translate=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=r[0],l=r[1];return t[0]=n,t[1]=u,t[2]=M,t[3]=m,t[4]=o,t[5]=i,t[6]=c*n+l*m+e,t[7]=c*u+l*o+h,t[8]=c*M+l*i+s,t},mat3.rotate=function(t,a,r){var n=a[0],u=a[1],M=a[2],m=a[3],o=a[4],i=a[5],e=a[6],h=a[7],s=a[8],c=Math.sin(r),l=Math.cos(r);return t[0]=l*n+c*m,t[1]=l*u+c*o,t[2]=l*M+c*i,t[3]=l*m-c*n,t[4]=l*o-c*u,t[5]=l*i-c*M,t[6]=e,t[7]=h,t[8]=s,t},mat3.scale=function(t,a,r){var n=r[0],u=r[1];return t[0]=n*a[0],t[1]=n*a[1],t[2]=n*a[2],t[3]=u*a[3],t[4]=u*a[4],t[5]=u*a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t},mat3.fromTranslation=function(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=a[0],t[7]=a[1],t[8]=1,t},mat3.fromRotation=function(t,a){var r=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=r,t[2]=0,t[3]=-r,t[4]=n,t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromScaling=function(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=0,t[4]=a[1],t[5]=0,t[6]=0,t[7]=0,t[8]=1,t},mat3.fromMat2d=function(t,a){return t[0]=a[0],t[1]=a[1],t[2]=0,t[3]=a[2],t[4]=a[3],t[5]=0,t[6]=a[4],t[7]=a[5],t[8]=1,t},mat3.fromQuat=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=r+r,o=n+n,i=u+u,e=r*m,h=n*m,s=n*o,c=u*m,l=u*o,f=u*i,b=M*m,x=M*o,v=M*i;return t[0]=1-s-f,t[3]=h-v,t[6]=c+x,t[1]=h+v,t[4]=1-e-f,t[7]=l-b,t[2]=c-x,t[5]=l+b,t[8]=1-e-s,t},mat3.normalFromMat4=function(t,a){var r=a[0],n=a[1],u=a[2],M=a[3],m=a[4],o=a[5],i=a[6],e=a[7],h=a[8],s=a[9],c=a[10],l=a[11],f=a[12],b=a[13],x=a[14],v=a[15],p=r*o-n*m,g=r*i-u*m,E=r*e-M*m,w=n*i-u*o,P=n*e-M*o,S=u*e-M*i,d=h*b-s*f,I=h*x-c*f,L=h*v-l*f,N=s*x-c*b,O=s*v-l*b,A=c*v-l*x,R=p*A-g*O+E*N+w*L-P*I+S*d;return R?(R=1/R,t[0]=(o*A-i*O+e*N)*R,t[1]=(i*L-m*A-e*I)*R,t[2]=(m*O-o*L+e*d)*R,t[3]=(u*O-n*A-M*N)*R,t[4]=(r*A-u*L+M*I)*R,t[5]=(n*L-r*O-M*d)*R,t[6]=(b*S-x*P+v*w)*R,t[7]=(x*E-f*S-v*g)*R,t[8]=(f*P-b*E+v*p)*R,t):null},mat3.str=function(t){return"mat3("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+")"},mat3.frob=function(t){return Math.sqrt(Math.pow(t[0],2)+Math.pow(t[1],2)+Math.pow(t[2],2)+Math.pow(t[3],2)+Math.pow(t[4],2)+Math.pow(t[5],2)+Math.pow(t[6],2)+Math.pow(t[7],2)+Math.pow(t[8],2))},mat3.add=function(t,a,r){return t[0]=a[0]+r[0],t[1]=a[1]+r[1],t[2]=a[2]+r[2],t[3]=a[3]+r[3],t[4]=a[4]+r[4],t[5]=a[5]+r[5],t[6]=a[6]+r[6],t[7]=a[7]+r[7],t[8]=a[8]+r[8],t},mat3.subtract=function(t,a,r){return t[0]=a[0]-r[0],t[1]=a[1]-r[1],t[2]=a[2]-r[2],t[3]=a[3]-r[3],t[4]=a[4]-r[4],t[5]=a[5]-r[5],t[6]=a[6]-r[6],t[7]=a[7]-r[7],t[8]=a[8]-r[8],t},mat3.sub=mat3.subtract,mat3.multiplyScalar=function(t,a,r){return t[0]=a[0]*r,t[1]=a[1]*r,t[2]=a[2]*r,t[3]=a[3]*r,t[4]=a[4]*r,t[5]=a[5]*r,t[6]=a[6]*r,t[7]=a[7]*r,t[8]=a[8]*r,t},mat3.multiplyScalarAndAdd=function(t,a,r,n){return t[0]=a[0]+r[0]*n,t[1]=a[1]+r[1]*n,t[2]=a[2]+r[2]*n,t[3]=a[3]+r[3]*n,t[4]=a[4]+r[4]*n,t[5]=a[5]+r[5]*n,t[6]=a[6]+r[6]*n,t[7]=a[7]+r[7]*n,t[8]=a[8]+r[8]*n,t},mat3.exactEquals=function(t,a){return t[0]===a[0]&&t[1]===a[1]&&t[2]===a[2]&&t[3]===a[3]&&t[4]===a[4]&&t[5]===a[5]&&t[6]===a[6]&&t[7]===a[7]&&t[8]===a[8]},mat3.equals=function(t,a){var r=t[0],n=t[1],u=t[2],M=t[3],m=t[4],o=t[5],i=t[6],e=t[7],h=t[8],s=a[0],c=a[1],l=a[2],f=a[3],b=a[4],x=a[5],v=t[6],p=a[7],g=a[8];return Math.abs(r-s)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(s))&&Math.abs(n-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(c))&&Math.abs(u-l)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(l))&&Math.abs(M-f)<=glMatrix.EPSILON*Math.max(1,Math.abs(M),Math.abs(f))&&Math.abs(m-b)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(b))&&Math.abs(o-x)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(x))&&Math.abs(i-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(v))&&Math.abs(e-p)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(p))&&Math.abs(h-g)<=glMatrix.EPSILON*Math.max(1,Math.abs(h),Math.abs(g))},module.exports=mat3;
},{"./common.js":151}],155:[function(require,module,exports){
var glMatrix=require("./common.js"),mat4={scalar:{},SIMD:{}};mat4.create=function(){var a=new glMatrix.ARRAY_TYPE(16);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.clone=function(a){var t=new glMatrix.ARRAY_TYPE(16);return t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[8]=a[8],t[9]=a[9],t[10]=a[10],t[11]=a[11],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15],t},mat4.copy=function(a,t){return a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.fromValues=function(a,t,l,o,M,S,x,I,D,F,r,s,u,e,m,n){var i=new glMatrix.ARRAY_TYPE(16);return i[0]=a,i[1]=t,i[2]=l,i[3]=o,i[4]=M,i[5]=S,i[6]=x,i[7]=I,i[8]=D,i[9]=F,i[10]=r,i[11]=s,i[12]=u,i[13]=e,i[14]=m,i[15]=n,i},mat4.set=function(a,t,l,o,M,S,x,I,D,F,r,s,u,e,m,n,i){return a[0]=t,a[1]=l,a[2]=o,a[3]=M,a[4]=S,a[5]=x,a[6]=I,a[7]=D,a[8]=F,a[9]=r,a[10]=s,a[11]=u,a[12]=e,a[13]=m,a[14]=n,a[15]=i,a},mat4.identity=function(a){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.scalar.transpose=function(a,t){if(a===t){var l=t[1],o=t[2],M=t[3],S=t[6],x=t[7],I=t[11];a[1]=t[4],a[2]=t[8],a[3]=t[12],a[4]=l,a[6]=t[9],a[7]=t[13],a[8]=o,a[9]=S,a[11]=t[14],a[12]=M,a[13]=x,a[14]=I}else a[0]=t[0],a[1]=t[4],a[2]=t[8],a[3]=t[12],a[4]=t[1],a[5]=t[5],a[6]=t[9],a[7]=t[13],a[8]=t[2],a[9]=t[6],a[10]=t[10],a[11]=t[14],a[12]=t[3],a[13]=t[7],a[14]=t[11],a[15]=t[15];return a},mat4.SIMD.transpose=function(a,t){var l,o,M,S,x,I,D,F,r,s;return l=SIMD.Float32x4.load(t,0),o=SIMD.Float32x4.load(t,4),M=SIMD.Float32x4.load(t,8),S=SIMD.Float32x4.load(t,12),x=SIMD.Float32x4.shuffle(l,o,0,1,4,5),I=SIMD.Float32x4.shuffle(M,S,0,1,4,5),D=SIMD.Float32x4.shuffle(x,I,0,2,4,6),F=SIMD.Float32x4.shuffle(x,I,1,3,5,7),SIMD.Float32x4.store(a,0,D),SIMD.Float32x4.store(a,4,F),x=SIMD.Float32x4.shuffle(l,o,2,3,6,7),I=SIMD.Float32x4.shuffle(M,S,2,3,6,7),r=SIMD.Float32x4.shuffle(x,I,0,2,4,6),s=SIMD.Float32x4.shuffle(x,I,1,3,5,7),SIMD.Float32x4.store(a,8,r),SIMD.Float32x4.store(a,12,s),a},mat4.transpose=glMatrix.USE_SIMD?mat4.SIMD.transpose:mat4.scalar.transpose,mat4.scalar.invert=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=t[4],I=t[5],D=t[6],F=t[7],r=t[8],s=t[9],u=t[10],e=t[11],m=t[12],n=t[13],i=t[14],h=t[15],d=l*I-o*x,z=l*D-M*x,f=l*F-S*x,c=o*D-M*I,b=o*F-S*I,w=M*F-S*D,v=r*n-s*m,p=r*i-u*m,g=r*h-e*m,E=s*i-u*n,P=s*h-e*n,O=u*h-e*i,L=d*O-z*P+f*E+c*g-b*p+w*v;return L?(L=1/L,a[0]=(I*O-D*P+F*E)*L,a[1]=(M*P-o*O-S*E)*L,a[2]=(n*w-i*b+h*c)*L,a[3]=(u*b-s*w-e*c)*L,a[4]=(D*g-x*O-F*p)*L,a[5]=(l*O-M*g+S*p)*L,a[6]=(i*f-m*w-h*z)*L,a[7]=(r*w-u*f+e*z)*L,a[8]=(x*P-I*g+F*v)*L,a[9]=(o*g-l*P-S*v)*L,a[10]=(m*b-n*f+h*d)*L,a[11]=(s*f-r*b-e*d)*L,a[12]=(I*p-x*E-D*v)*L,a[13]=(l*E-o*p+M*v)*L,a[14]=(n*z-m*c-i*d)*L,a[15]=(r*c-s*z+u*d)*L,a):null},mat4.SIMD.invert=function(a,t){var l,o,M,S,x,I,D,F,r,s,u=SIMD.Float32x4.load(t,0),e=SIMD.Float32x4.load(t,4),m=SIMD.Float32x4.load(t,8),n=SIMD.Float32x4.load(t,12);return x=SIMD.Float32x4.shuffle(u,e,0,1,4,5),o=SIMD.Float32x4.shuffle(m,n,0,1,4,5),l=SIMD.Float32x4.shuffle(x,o,0,2,4,6),o=SIMD.Float32x4.shuffle(o,x,1,3,5,7),x=SIMD.Float32x4.shuffle(u,e,2,3,6,7),S=SIMD.Float32x4.shuffle(m,n,2,3,6,7),M=SIMD.Float32x4.shuffle(x,S,0,2,4,6),S=SIMD.Float32x4.shuffle(S,x,1,3,5,7),x=SIMD.Float32x4.mul(M,S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),I=SIMD.Float32x4.mul(o,x),D=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(SIMD.Float32x4.mul(o,x),I),D=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),D),D=SIMD.Float32x4.swizzle(D,2,3,0,1),x=SIMD.Float32x4.mul(o,M),x=SIMD.Float32x4.swizzle(x,1,0,3,2),I=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),I),r=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(I,SIMD.Float32x4.mul(S,x)),r=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),x=SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(o,2,3,0,1),S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),M=SIMD.Float32x4.swizzle(M,2,3,0,1),I=SIMD.Float32x4.add(SIMD.Float32x4.mul(M,x),I),F=SIMD.Float32x4.mul(l,x),x=SIMD.Float32x4.swizzle(x,2,3,0,1),I=SIMD.Float32x4.sub(I,SIMD.Float32x4.mul(M,x)),F=SIMD.Float32x4.sub(SIMD.Float32x4.mul(l,x),F),F=SIMD.Float32x4.swizzle(F,2,3,0,1),x=SIMD.Float32x4.mul(l,o),x=SIMD.Float32x4.swizzle(x,1,0,3,2),F=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),F),r=SIMD.Float32x4.sub(SIMD.Float32x4.mul(M,x),r),x=SIMD.Float32x4.swizzle(x,2,3,0,1),F=SIMD.Float32x4.sub(SIMD.Float32x4.mul(S,x),F),r=SIMD.Float32x4.sub(r,SIMD.Float32x4.mul(M,x)),x=SIMD.Float32x4.mul(l,S),x=SIMD.Float32x4.swizzle(x,1,0,3,2),D=SIMD.Float32x4.sub(D,SIMD.Float32x4.mul(M,x)),F=SIMD.Float32x4.add(SIMD.Float32x4.mul(o,x),F),x=SIMD.Float32x4.swizzle(x,2,3,0,1),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(M,x),D),F=SIMD.Float32x4.sub(F,SIMD.Float32x4.mul(o,x)),x=SIMD.Float32x4.mul(l,M),x=SIMD.Float32x4.swizzle(x,1,0,3,2),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(S,x),D),r=SIMD.Float32x4.sub(r,SIMD.Float32x4.mul(o,x)),x=SIMD.Float32x4.swizzle(x,2,3,0,1),D=SIMD.Float32x4.sub(D,SIMD.Float32x4.mul(S,x)),r=SIMD.Float32x4.add(SIMD.Float32x4.mul(o,x),r),s=SIMD.Float32x4.mul(l,I),s=SIMD.Float32x4.add(SIMD.Float32x4.swizzle(s,2,3,0,1),s),s=SIMD.Float32x4.add(SIMD.Float32x4.swizzle(s,1,0,3,2),s),x=SIMD.Float32x4.reciprocalApproximation(s),s=SIMD.Float32x4.sub(SIMD.Float32x4.add(x,x),SIMD.Float32x4.mul(s,SIMD.Float32x4.mul(x,x))),(s=SIMD.Float32x4.swizzle(s,0,0,0,0))?(SIMD.Float32x4.store(a,0,SIMD.Float32x4.mul(s,I)),SIMD.Float32x4.store(a,4,SIMD.Float32x4.mul(s,D)),SIMD.Float32x4.store(a,8,SIMD.Float32x4.mul(s,F)),SIMD.Float32x4.store(a,12,SIMD.Float32x4.mul(s,r)),a):null},mat4.invert=glMatrix.USE_SIMD?mat4.SIMD.invert:mat4.scalar.invert,mat4.scalar.adjoint=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=t[4],I=t[5],D=t[6],F=t[7],r=t[8],s=t[9],u=t[10],e=t[11],m=t[12],n=t[13],i=t[14],h=t[15];return a[0]=I*(u*h-e*i)-s*(D*h-F*i)+n*(D*e-F*u),a[1]=-(o*(u*h-e*i)-s*(M*h-S*i)+n*(M*e-S*u)),a[2]=o*(D*h-F*i)-I*(M*h-S*i)+n*(M*F-S*D),a[3]=-(o*(D*e-F*u)-I*(M*e-S*u)+s*(M*F-S*D)),a[4]=-(x*(u*h-e*i)-r*(D*h-F*i)+m*(D*e-F*u)),a[5]=l*(u*h-e*i)-r*(M*h-S*i)+m*(M*e-S*u),a[6]=-(l*(D*h-F*i)-x*(M*h-S*i)+m*(M*F-S*D)),a[7]=l*(D*e-F*u)-x*(M*e-S*u)+r*(M*F-S*D),a[8]=x*(s*h-e*n)-r*(I*h-F*n)+m*(I*e-F*s),a[9]=-(l*(s*h-e*n)-r*(o*h-S*n)+m*(o*e-S*s)),a[10]=l*(I*h-F*n)-x*(o*h-S*n)+m*(o*F-S*I),a[11]=-(l*(I*e-F*s)-x*(o*e-S*s)+r*(o*F-S*I)),a[12]=-(x*(s*i-u*n)-r*(I*i-D*n)+m*(I*u-D*s)),a[13]=l*(s*i-u*n)-r*(o*i-M*n)+m*(o*u-M*s),a[14]=-(l*(I*i-D*n)-x*(o*i-M*n)+m*(o*D-M*I)),a[15]=l*(I*u-D*s)-x*(o*u-M*s)+r*(o*D-M*I),a},mat4.SIMD.adjoint=function(a,t){var l,o,M,S,x,I,D,F,r,s,u,e,m,l=SIMD.Float32x4.load(t,0),o=SIMD.Float32x4.load(t,4),M=SIMD.Float32x4.load(t,8),S=SIMD.Float32x4.load(t,12);return r=SIMD.Float32x4.shuffle(l,o,0,1,4,5),I=SIMD.Float32x4.shuffle(M,S,0,1,4,5),x=SIMD.Float32x4.shuffle(r,I,0,2,4,6),I=SIMD.Float32x4.shuffle(I,r,1,3,5,7),r=SIMD.Float32x4.shuffle(l,o,2,3,6,7),F=SIMD.Float32x4.shuffle(M,S,2,3,6,7),D=SIMD.Float32x4.shuffle(r,F,0,2,4,6),F=SIMD.Float32x4.shuffle(F,r,1,3,5,7),r=SIMD.Float32x4.mul(D,F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),s=SIMD.Float32x4.mul(I,r),u=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(SIMD.Float32x4.mul(I,r),s),u=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),u),u=SIMD.Float32x4.swizzle(u,2,3,0,1),r=SIMD.Float32x4.mul(I,D),r=SIMD.Float32x4.swizzle(r,1,0,3,2),s=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),s),m=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(s,SIMD.Float32x4.mul(F,r)),m=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),m),m=SIMD.Float32x4.swizzle(m,2,3,0,1),r=SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,2,3,0,1),F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),D=SIMD.Float32x4.swizzle(D,2,3,0,1),s=SIMD.Float32x4.add(SIMD.Float32x4.mul(D,r),s),e=SIMD.Float32x4.mul(x,r),r=SIMD.Float32x4.swizzle(r,2,3,0,1),s=SIMD.Float32x4.sub(s,SIMD.Float32x4.mul(D,r)),e=SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,r),e),e=SIMD.Float32x4.swizzle(e,2,3,0,1),r=SIMD.Float32x4.mul(x,I),r=SIMD.Float32x4.swizzle(r,1,0,3,2),e=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),e),m=SIMD.Float32x4.sub(SIMD.Float32x4.mul(D,r),m),r=SIMD.Float32x4.swizzle(r,2,3,0,1),e=SIMD.Float32x4.sub(SIMD.Float32x4.mul(F,r),e),m=SIMD.Float32x4.sub(m,SIMD.Float32x4.mul(D,r)),r=SIMD.Float32x4.mul(x,F),r=SIMD.Float32x4.swizzle(r,1,0,3,2),u=SIMD.Float32x4.sub(u,SIMD.Float32x4.mul(D,r)),e=SIMD.Float32x4.add(SIMD.Float32x4.mul(I,r),e),r=SIMD.Float32x4.swizzle(r,2,3,0,1),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(D,r),u),e=SIMD.Float32x4.sub(e,SIMD.Float32x4.mul(I,r)),r=SIMD.Float32x4.mul(x,D),r=SIMD.Float32x4.swizzle(r,1,0,3,2),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(F,r),u),m=SIMD.Float32x4.sub(m,SIMD.Float32x4.mul(I,r)),r=SIMD.Float32x4.swizzle(r,2,3,0,1),u=SIMD.Float32x4.sub(u,SIMD.Float32x4.mul(F,r)),m=SIMD.Float32x4.add(SIMD.Float32x4.mul(I,r),m),SIMD.Float32x4.store(a,0,s),SIMD.Float32x4.store(a,4,u),SIMD.Float32x4.store(a,8,e),SIMD.Float32x4.store(a,12,m),a},mat4.adjoint=glMatrix.USE_SIMD?mat4.SIMD.adjoint:mat4.scalar.adjoint,mat4.determinant=function(a){var t=a[0],l=a[1],o=a[2],M=a[3],S=a[4],x=a[5],I=a[6],D=a[7],F=a[8],r=a[9],s=a[10],u=a[11],e=a[12],m=a[13],n=a[14],i=a[15],h=t*x-l*S,d=t*I-o*S,z=t*D-M*S,f=l*I-o*x,c=l*D-M*x,b=o*D-M*I,w=F*m-r*e,v=F*n-s*e,p=F*i-u*e,g=r*n-s*m,E=r*i-u*m,P=s*i-u*n;return h*P-d*E+z*g+f*p-c*v+b*w},mat4.SIMD.multiply=function(a,t,l){var o=SIMD.Float32x4.load(t,0),M=SIMD.Float32x4.load(t,4),S=SIMD.Float32x4.load(t,8),x=SIMD.Float32x4.load(t,12),I=SIMD.Float32x4.load(l,0),D=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(I,3,3,3,3),x))));SIMD.Float32x4.store(a,0,D);var F=SIMD.Float32x4.load(l,4),r=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(F,3,3,3,3),x))));SIMD.Float32x4.store(a,4,r);var s=SIMD.Float32x4.load(l,8),u=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(s,3,3,3,3),x))));SIMD.Float32x4.store(a,8,u);var e=SIMD.Float32x4.load(l,12),m=SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,0,0,0,0),o),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,1,1,1,1),M),SIMD.Float32x4.add(SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,2,2,2,2),S),SIMD.Float32x4.mul(SIMD.Float32x4.swizzle(e,3,3,3,3),x))));return SIMD.Float32x4.store(a,12,m),a},mat4.scalar.multiply=function(a,t,l){var o=t[0],M=t[1],S=t[2],x=t[3],I=t[4],D=t[5],F=t[6],r=t[7],s=t[8],u=t[9],e=t[10],m=t[11],n=t[12],i=t[13],h=t[14],d=t[15],z=l[0],f=l[1],c=l[2],b=l[3];return a[0]=z*o+f*I+c*s+b*n,a[1]=z*M+f*D+c*u+b*i,a[2]=z*S+f*F+c*e+b*h,a[3]=z*x+f*r+c*m+b*d,z=l[4],f=l[5],c=l[6],b=l[7],a[4]=z*o+f*I+c*s+b*n,a[5]=z*M+f*D+c*u+b*i,a[6]=z*S+f*F+c*e+b*h,a[7]=z*x+f*r+c*m+b*d,z=l[8],f=l[9],c=l[10],b=l[11],a[8]=z*o+f*I+c*s+b*n,a[9]=z*M+f*D+c*u+b*i,a[10]=z*S+f*F+c*e+b*h,a[11]=z*x+f*r+c*m+b*d,z=l[12],f=l[13],c=l[14],b=l[15],a[12]=z*o+f*I+c*s+b*n,a[13]=z*M+f*D+c*u+b*i,a[14]=z*S+f*F+c*e+b*h,a[15]=z*x+f*r+c*m+b*d,a},mat4.multiply=glMatrix.USE_SIMD?mat4.SIMD.multiply:mat4.scalar.multiply,mat4.mul=mat4.multiply,mat4.scalar.translate=function(a,t,l){var o,M,S,x,I,D,F,r,s,u,e,m,n=l[0],i=l[1],h=l[2];return t===a?(a[12]=t[0]*n+t[4]*i+t[8]*h+t[12],a[13]=t[1]*n+t[5]*i+t[9]*h+t[13],a[14]=t[2]*n+t[6]*i+t[10]*h+t[14],a[15]=t[3]*n+t[7]*i+t[11]*h+t[15]):(o=t[0],M=t[1],S=t[2],x=t[3],I=t[4],D=t[5],F=t[6],r=t[7],s=t[8],u=t[9],e=t[10],m=t[11],a[0]=o,a[1]=M,a[2]=S,a[3]=x,a[4]=I,a[5]=D,a[6]=F,a[7]=r,a[8]=s,a[9]=u,a[10]=e,a[11]=m,a[12]=o*n+I*i+s*h+t[12],a[13]=M*n+D*i+u*h+t[13],a[14]=S*n+F*i+e*h+t[14],a[15]=x*n+r*i+m*h+t[15]),a},mat4.SIMD.translate=function(a,t,l){var o=SIMD.Float32x4.load(t,0),M=SIMD.Float32x4.load(t,4),S=SIMD.Float32x4.load(t,8),x=SIMD.Float32x4.load(t,12),I=SIMD.Float32x4(l[0],l[1],l[2],0);t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11]),o=SIMD.Float32x4.mul(o,SIMD.Float32x4.swizzle(I,0,0,0,0)),M=SIMD.Float32x4.mul(M,SIMD.Float32x4.swizzle(I,1,1,1,1)),S=SIMD.Float32x4.mul(S,SIMD.Float32x4.swizzle(I,2,2,2,2));var D=SIMD.Float32x4.add(o,SIMD.Float32x4.add(M,SIMD.Float32x4.add(S,x)));return SIMD.Float32x4.store(a,12,D),a},mat4.translate=glMatrix.USE_SIMD?mat4.SIMD.translate:mat4.scalar.translate,mat4.scalar.scale=function(a,t,l){var o=l[0],M=l[1],S=l[2];return a[0]=t[0]*o,a[1]=t[1]*o,a[2]=t[2]*o,a[3]=t[3]*o,a[4]=t[4]*M,a[5]=t[5]*M,a[6]=t[6]*M,a[7]=t[7]*M,a[8]=t[8]*S,a[9]=t[9]*S,a[10]=t[10]*S,a[11]=t[11]*S,a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.SIMD.scale=function(a,t,l){var o,M,S,x=SIMD.Float32x4(l[0],l[1],l[2],0);return o=SIMD.Float32x4.load(t,0),SIMD.Float32x4.store(a,0,SIMD.Float32x4.mul(o,SIMD.Float32x4.swizzle(x,0,0,0,0))),M=SIMD.Float32x4.load(t,4),SIMD.Float32x4.store(a,4,SIMD.Float32x4.mul(M,SIMD.Float32x4.swizzle(x,1,1,1,1))),S=SIMD.Float32x4.load(t,8),SIMD.Float32x4.store(a,8,SIMD.Float32x4.mul(S,SIMD.Float32x4.swizzle(x,2,2,2,2))),a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15],a},mat4.scale=glMatrix.USE_SIMD?mat4.SIMD.scale:mat4.scalar.scale,mat4.rotate=function(a,t,l,o){var M,S,x,I,D,F,r,s,u,e,m,n,i,h,d,z,f,c,b,w,v,p,g,E,P=o[0],O=o[1],L=o[2],N=Math.sqrt(P*P+O*O+L*L);return Math.abs(N)<glMatrix.EPSILON?null:(N=1/N,P*=N,O*=N,L*=N,M=Math.sin(l),S=Math.cos(l),x=1-S,I=t[0],D=t[1],F=t[2],r=t[3],s=t[4],u=t[5],e=t[6],m=t[7],n=t[8],i=t[9],h=t[10],d=t[11],z=P*P*x+S,f=O*P*x+L*M,c=L*P*x-O*M,b=P*O*x-L*M,w=O*O*x+S,v=L*O*x+P*M,p=P*L*x+O*M,g=O*L*x-P*M,E=L*L*x+S,a[0]=I*z+s*f+n*c,a[1]=D*z+u*f+i*c,a[2]=F*z+e*f+h*c,a[3]=r*z+m*f+d*c,a[4]=I*b+s*w+n*v,a[5]=D*b+u*w+i*v,a[6]=F*b+e*w+h*v,a[7]=r*b+m*w+d*v,a[8]=I*p+s*g+n*E,a[9]=D*p+u*g+i*E,a[10]=F*p+e*g+h*E,a[11]=r*p+m*g+d*E,t!==a&&(a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a)},mat4.scalar.rotateX=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[4],x=t[5],I=t[6],D=t[7],F=t[8],r=t[9],s=t[10],u=t[11];return t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[4]=S*M+F*o,a[5]=x*M+r*o,a[6]=I*M+s*o,a[7]=D*M+u*o,a[8]=F*M-S*o,a[9]=r*M-x*o,a[10]=s*M-I*o,a[11]=u*M-D*o,a},mat4.SIMD.rotateX=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[0]=t[0],a[1]=t[1],a[2]=t[2],a[3]=t[3],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,4),x=SIMD.Float32x4.load(t,8);return SIMD.Float32x4.store(a,4,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,8,SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,M),SIMD.Float32x4.mul(S,o))),a},mat4.rotateX=glMatrix.USE_SIMD?mat4.SIMD.rotateX:mat4.scalar.rotateX,mat4.scalar.rotateY=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[0],x=t[1],I=t[2],D=t[3],F=t[8],r=t[9],s=t[10],u=t[11];return t!==a&&(a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[0]=S*M-F*o,a[1]=x*M-r*o,a[2]=I*M-s*o,a[3]=D*M-u*o,a[8]=S*o+F*M,a[9]=x*o+r*M,a[10]=I*o+s*M,a[11]=D*o+u*M,a},mat4.SIMD.rotateY=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[4]=t[4],a[5]=t[5],a[6]=t[6],a[7]=t[7],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,0),x=SIMD.Float32x4.load(t,8);return SIMD.Float32x4.store(a,0,SIMD.Float32x4.sub(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,8,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,o),SIMD.Float32x4.mul(x,M))),a},mat4.rotateY=glMatrix.USE_SIMD?mat4.SIMD.rotateY:mat4.scalar.rotateY,mat4.scalar.rotateZ=function(a,t,l){var o=Math.sin(l),M=Math.cos(l),S=t[0],x=t[1],I=t[2],D=t[3],F=t[4],r=t[5],s=t[6],u=t[7];return t!==a&&(a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]),a[0]=S*M+F*o,a[1]=x*M+r*o,a[2]=I*M+s*o,a[3]=D*M+u*o,a[4]=F*M-S*o,a[5]=r*M-x*o,a[6]=s*M-I*o,a[7]=u*M-D*o,a},mat4.SIMD.rotateZ=function(a,t,l){var o=SIMD.Float32x4.splat(Math.sin(l)),M=SIMD.Float32x4.splat(Math.cos(l));t!==a&&(a[8]=t[8],a[9]=t[9],a[10]=t[10],a[11]=t[11],a[12]=t[12],a[13]=t[13],a[14]=t[14],a[15]=t[15]);var S=SIMD.Float32x4.load(t,0),x=SIMD.Float32x4.load(t,4);return SIMD.Float32x4.store(a,0,SIMD.Float32x4.add(SIMD.Float32x4.mul(S,M),SIMD.Float32x4.mul(x,o))),SIMD.Float32x4.store(a,4,SIMD.Float32x4.sub(SIMD.Float32x4.mul(x,M),SIMD.Float32x4.mul(S,o))),a},mat4.rotateZ=glMatrix.USE_SIMD?mat4.SIMD.rotateZ:mat4.scalar.rotateZ,mat4.fromTranslation=function(a,t){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=t[0],a[13]=t[1],a[14]=t[2],a[15]=1,a},mat4.fromScaling=function(a,t){return a[0]=t[0],a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=t[1],a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=t[2],a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromRotation=function(a,t,l){var o,M,S,x=l[0],I=l[1],D=l[2],F=Math.sqrt(x*x+I*I+D*D);return Math.abs(F)<glMatrix.EPSILON?null:(F=1/F,x*=F,I*=F,D*=F,o=Math.sin(t),M=Math.cos(t),S=1-M,a[0]=x*x*S+M,a[1]=I*x*S+D*o,a[2]=D*x*S-I*o,a[3]=0,a[4]=x*I*S-D*o,a[5]=I*I*S+M,a[6]=D*I*S+x*o,a[7]=0,a[8]=x*D*S+I*o,a[9]=I*D*S-x*o,a[10]=D*D*S+M,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a)},mat4.fromXRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=o,a[6]=l,a[7]=0,a[8]=0,a[9]=-l,a[10]=o,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromYRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=o,a[1]=0,a[2]=-l,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=l,a[9]=0,a[10]=o,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromZRotation=function(a,t){var l=Math.sin(t),o=Math.cos(t);return a[0]=o,a[1]=l,a[2]=0,a[3]=0,a[4]=-l,a[5]=o,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.fromRotationTranslation=function(a,t,l){var o=t[0],M=t[1],S=t[2],x=t[3],I=o+o,D=M+M,F=S+S,r=o*I,s=o*D,u=o*F,e=M*D,m=M*F,n=S*F,i=x*I,h=x*D,d=x*F;return a[0]=1-(e+n),a[1]=s+d,a[2]=u-h,a[3]=0,a[4]=s-d,a[5]=1-(r+n),a[6]=m+i,a[7]=0,a[8]=u+h,a[9]=m-i,a[10]=1-(r+e),a[11]=0,a[12]=l[0],a[13]=l[1],a[14]=l[2],a[15]=1,a},mat4.getTranslation=function(a,t){return a[0]=t[12],a[1]=t[13],a[2]=t[14],a},mat4.getRotation=function(a,t){var l=t[0]+t[5]+t[10],o=0;return l>0?(o=2*Math.sqrt(l+1),a[3]=.25*o,a[0]=(t[6]-t[9])/o,a[1]=(t[8]-t[2])/o,a[2]=(t[1]-t[4])/o):t[0]>t[5]&t[0]>t[10]?(o=2*Math.sqrt(1+t[0]-t[5]-t[10]),a[3]=(t[6]-t[9])/o,a[0]=.25*o,a[1]=(t[1]+t[4])/o,a[2]=(t[8]+t[2])/o):t[5]>t[10]?(o=2*Math.sqrt(1+t[5]-t[0]-t[10]),a[3]=(t[8]-t[2])/o,a[0]=(t[1]+t[4])/o,a[1]=.25*o,a[2]=(t[6]+t[9])/o):(o=2*Math.sqrt(1+t[10]-t[0]-t[5]),a[3]=(t[1]-t[4])/o,a[0]=(t[8]+t[2])/o,a[1]=(t[6]+t[9])/o,a[2]=.25*o),a},mat4.fromRotationTranslationScale=function(a,t,l,o){var M=t[0],S=t[1],x=t[2],I=t[3],D=M+M,F=S+S,r=x+x,s=M*D,u=M*F,e=M*r,m=S*F,n=S*r,i=x*r,h=I*D,d=I*F,z=I*r,f=o[0],c=o[1],b=o[2];return a[0]=(1-(m+i))*f,a[1]=(u+z)*f,a[2]=(e-d)*f,a[3]=0,a[4]=(u-z)*c,a[5]=(1-(s+i))*c,a[6]=(n+h)*c,a[7]=0,a[8]=(e+d)*b,a[9]=(n-h)*b,a[10]=(1-(s+m))*b,a[11]=0,a[12]=l[0],a[13]=l[1],a[14]=l[2],a[15]=1,a},mat4.fromRotationTranslationScaleOrigin=function(a,t,l,o,M){var S=t[0],x=t[1],I=t[2],D=t[3],F=S+S,r=x+x,s=I+I,u=S*F,e=S*r,m=S*s,n=x*r,i=x*s,h=I*s,d=D*F,z=D*r,f=D*s,c=o[0],b=o[1],w=o[2],v=M[0],p=M[1],g=M[2];return a[0]=(1-(n+h))*c,a[1]=(e+f)*c,a[2]=(m-z)*c,a[3]=0,a[4]=(e-f)*b,a[5]=(1-(u+h))*b,a[6]=(i+d)*b,a[7]=0,a[8]=(m+z)*w,a[9]=(i-d)*w,a[10]=(1-(u+n))*w,a[11]=0,a[12]=l[0]+v-(a[0]*v+a[4]*p+a[8]*g),a[13]=l[1]+p-(a[1]*v+a[5]*p+a[9]*g),a[14]=l[2]+g-(a[2]*v+a[6]*p+a[10]*g),a[15]=1,a},mat4.fromQuat=function(a,t){var l=t[0],o=t[1],M=t[2],S=t[3],x=l+l,I=o+o,D=M+M,F=l*x,r=o*x,s=o*I,u=M*x,e=M*I,m=M*D,n=S*x,i=S*I,h=S*D;return a[0]=1-s-m,a[1]=r+h,a[2]=u-i,a[3]=0,a[4]=r-h,a[5]=1-F-m,a[6]=e+n,a[7]=0,a[8]=u+i,a[9]=e-n,a[10]=1-F-s,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a},mat4.frustum=function(a,t,l,o,M,S,x){var I=1/(l-t),D=1/(M-o),F=1/(S-x);return a[0]=2*S*I,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=2*S*D,a[6]=0,a[7]=0,a[8]=(l+t)*I,a[9]=(M+o)*D,a[10]=(x+S)*F,a[11]=-1,a[12]=0,a[13]=0,a[14]=x*S*2*F,a[15]=0,a},mat4.perspective=function(a,t,l,o,M){var S=1/Math.tan(t/2),x=1/(o-M);return a[0]=S/l,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=S,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=(M+o)*x,a[11]=-1,a[12]=0,a[13]=0,a[14]=2*M*o*x,a[15]=0,a},mat4.perspectiveFromFieldOfView=function(a,t,l,o){var M=Math.tan(t.upDegrees*Math.PI/180),S=Math.tan(t.downDegrees*Math.PI/180),x=Math.tan(t.leftDegrees*Math.PI/180),I=Math.tan(t.rightDegrees*Math.PI/180),D=2/(x+I),F=2/(M+S);return a[0]=D,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=F,a[6]=0,a[7]=0,a[8]=-((x-I)*D*.5),a[9]=(M-S)*F*.5,a[10]=o/(l-o),a[11]=-1,a[12]=0,a[13]=0,a[14]=o*l/(l-o),a[15]=0,a},mat4.ortho=function(a,t,l,o,M,S,x){var I=1/(t-l),D=1/(o-M),F=1/(S-x);return a[0]=-2*I,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=-2*D,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=2*F,a[11]=0,a[12]=(t+l)*I,a[13]=(M+o)*D,a[14]=(x+S)*F,a[15]=1,a},mat4.lookAt=function(a,t,l,o){var M,S,x,I,D,F,r,s,u,e,m=t[0],n=t[1],i=t[2],h=o[0],d=o[1],z=o[2],f=l[0],c=l[1],b=l[2];return Math.abs(m-f)<glMatrix.EPSILON&&Math.abs(n-c)<glMatrix.EPSILON&&Math.abs(i-b)<glMatrix.EPSILON?mat4.identity(a):(r=m-f,s=n-c,u=i-b,e=1/Math.sqrt(r*r+s*s+u*u),r*=e,s*=e,u*=e,M=d*u-z*s,S=z*r-h*u,x=h*s-d*r,e=Math.sqrt(M*M+S*S+x*x),e?(e=1/e,M*=e,S*=e,x*=e):(M=0,S=0,x=0),I=s*x-u*S,D=u*M-r*x,F=r*S-s*M,e=Math.sqrt(I*I+D*D+F*F),e?(e=1/e,I*=e,D*=e,F*=e):(I=0,D=0,F=0),a[0]=M,a[1]=I,a[2]=r,a[3]=0,a[4]=S,a[5]=D,a[6]=s,a[7]=0,a[8]=x,a[9]=F,a[10]=u,a[11]=0,a[12]=-(M*m+S*n+x*i),a[13]=-(I*m+D*n+F*i),a[14]=-(r*m+s*n+u*i),a[15]=1,a)},mat4.str=function(a){return"mat4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+", "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+")"},mat4.frob=function(a){return Math.sqrt(Math.pow(a[0],2)+Math.pow(a[1],2)+Math.pow(a[2],2)+Math.pow(a[3],2)+Math.pow(a[4],2)+Math.pow(a[5],2)+Math.pow(a[6],2)+Math.pow(a[7],2)+Math.pow(a[8],2)+Math.pow(a[9],2)+Math.pow(a[10],2)+Math.pow(a[11],2)+Math.pow(a[12],2)+Math.pow(a[13],2)+Math.pow(a[14],2)+Math.pow(a[15],2))},mat4.add=function(a,t,l){return a[0]=t[0]+l[0],a[1]=t[1]+l[1],a[2]=t[2]+l[2],a[3]=t[3]+l[3],a[4]=t[4]+l[4],a[5]=t[5]+l[5],a[6]=t[6]+l[6],a[7]=t[7]+l[7],a[8]=t[8]+l[8],a[9]=t[9]+l[9],a[10]=t[10]+l[10],a[11]=t[11]+l[11],a[12]=t[12]+l[12],a[13]=t[13]+l[13],a[14]=t[14]+l[14],a[15]=t[15]+l[15],a},mat4.subtract=function(a,t,l){return a[0]=t[0]-l[0],a[1]=t[1]-l[1],a[2]=t[2]-l[2],a[3]=t[3]-l[3],a[4]=t[4]-l[4],a[5]=t[5]-l[5],a[6]=t[6]-l[6],a[7]=t[7]-l[7],a[8]=t[8]-l[8],a[9]=t[9]-l[9],a[10]=t[10]-l[10],a[11]=t[11]-l[11],a[12]=t[12]-l[12],a[13]=t[13]-l[13],a[14]=t[14]-l[14],a[15]=t[15]-l[15],a},mat4.sub=mat4.subtract,mat4.multiplyScalar=function(a,t,l){return a[0]=t[0]*l,a[1]=t[1]*l,a[2]=t[2]*l,a[3]=t[3]*l,a[4]=t[4]*l,a[5]=t[5]*l,a[6]=t[6]*l,a[7]=t[7]*l,a[8]=t[8]*l,a[9]=t[9]*l,a[10]=t[10]*l,a[11]=t[11]*l,a[12]=t[12]*l,a[13]=t[13]*l,a[14]=t[14]*l,a[15]=t[15]*l,a},mat4.multiplyScalarAndAdd=function(a,t,l,o){return a[0]=t[0]+l[0]*o,a[1]=t[1]+l[1]*o,a[2]=t[2]+l[2]*o,a[3]=t[3]+l[3]*o,a[4]=t[4]+l[4]*o,a[5]=t[5]+l[5]*o,a[6]=t[6]+l[6]*o,a[7]=t[7]+l[7]*o,a[8]=t[8]+l[8]*o,a[9]=t[9]+l[9]*o,a[10]=t[10]+l[10]*o,a[11]=t[11]+l[11]*o,a[12]=t[12]+l[12]*o,a[13]=t[13]+l[13]*o,a[14]=t[14]+l[14]*o,a[15]=t[15]+l[15]*o,a},mat4.exactEquals=function(a,t){return a[0]===t[0]&&a[1]===t[1]&&a[2]===t[2]&&a[3]===t[3]&&a[4]===t[4]&&a[5]===t[5]&&a[6]===t[6]&&a[7]===t[7]&&a[8]===t[8]&&a[9]===t[9]&&a[10]===t[10]&&a[11]===t[11]&&a[12]===t[12]&&a[13]===t[13]&&a[14]===t[14]&&a[15]===t[15]},mat4.equals=function(a,t){var l=a[0],o=a[1],M=a[2],S=a[3],x=a[4],I=a[5],D=a[6],F=a[7],r=a[8],s=a[9],u=a[10],e=a[11],m=a[12],n=a[13],i=a[14],h=a[15],d=t[0],z=t[1],f=t[2],c=t[3],b=t[4],w=t[5],v=t[6],p=t[7],g=t[8],E=t[9],P=t[10],O=t[11],L=t[12],N=t[13],R=t[14],q=t[15];return Math.abs(l-d)<=glMatrix.EPSILON*Math.max(1,Math.abs(l),Math.abs(d))&&Math.abs(o-z)<=glMatrix.EPSILON*Math.max(1,Math.abs(o),Math.abs(z))&&Math.abs(M-f)<=glMatrix.EPSILON*Math.max(1,Math.abs(M),Math.abs(f))&&Math.abs(S-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(S),Math.abs(c))&&Math.abs(x-b)<=glMatrix.EPSILON*Math.max(1,Math.abs(x),Math.abs(b))&&Math.abs(I-w)<=glMatrix.EPSILON*Math.max(1,Math.abs(I),Math.abs(w))&&Math.abs(D-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(D),Math.abs(v))&&Math.abs(F-p)<=glMatrix.EPSILON*Math.max(1,Math.abs(F),Math.abs(p))&&Math.abs(r-g)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(g))&&Math.abs(s-E)<=glMatrix.EPSILON*Math.max(1,Math.abs(s),Math.abs(E))&&Math.abs(u-P)<=glMatrix.EPSILON*Math.max(1,Math.abs(u),Math.abs(P))&&Math.abs(e-O)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(O))&&Math.abs(m-L)<=glMatrix.EPSILON*Math.max(1,Math.abs(m),Math.abs(L))&&Math.abs(n-N)<=glMatrix.EPSILON*Math.max(1,Math.abs(n),Math.abs(N))&&Math.abs(i-R)<=glMatrix.EPSILON*Math.max(1,Math.abs(i),Math.abs(R))&&Math.abs(h-q)<=glMatrix.EPSILON*Math.max(1,Math.abs(h),Math.abs(q))},module.exports=mat4;
},{"./common.js":151}],156:[function(require,module,exports){
var glMatrix=require("./common.js"),mat3=require("./mat3.js"),vec3=require("./vec3.js"),vec4=require("./vec4.js"),quat={};quat.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t},quat.rotationTo=function(){var t=vec3.create(),a=vec3.fromValues(1,0,0),e=vec3.fromValues(0,1,0);return function(u,r,n){var c=vec3.dot(r,n);return c<-.999999?(vec3.cross(t,a,r),vec3.length(t)<1e-6&&vec3.cross(t,e,r),vec3.normalize(t,t),quat.setAxisAngle(u,t,Math.PI),u):c>.999999?(u[0]=0,u[1]=0,u[2]=0,u[3]=1,u):(vec3.cross(t,r,n),u[0]=t[0],u[1]=t[1],u[2]=t[2],u[3]=1+c,quat.normalize(u,u))}}(),quat.setAxes=function(){var t=mat3.create();return function(a,e,u,r){return t[0]=u[0],t[3]=u[1],t[6]=u[2],t[1]=r[0],t[4]=r[1],t[7]=r[2],t[2]=-e[0],t[5]=-e[1],t[8]=-e[2],quat.normalize(a,quat.fromMat3(a,t))}}(),quat.clone=vec4.clone,quat.fromValues=vec4.fromValues,quat.copy=vec4.copy,quat.set=vec4.set,quat.identity=function(t){return t[0]=0,t[1]=0,t[2]=0,t[3]=1,t},quat.setAxisAngle=function(t,a,e){e=.5*e;var u=Math.sin(e);return t[0]=u*a[0],t[1]=u*a[1],t[2]=u*a[2],t[3]=Math.cos(e),t},quat.getAxisAngle=function(t,a){var e=2*Math.acos(a[3]),u=Math.sin(e/2);return 0!=u?(t[0]=a[0]/u,t[1]=a[1]/u,t[2]=a[2]/u):(t[0]=1,t[1]=0,t[2]=0),e},quat.add=vec4.add,quat.multiply=function(t,a,e){var u=a[0],r=a[1],n=a[2],c=a[3],q=e[0],s=e[1],o=e[2],i=e[3];return t[0]=u*i+c*q+r*o-n*s,t[1]=r*i+c*s+n*q-u*o,t[2]=n*i+c*o+u*s-r*q,t[3]=c*i-u*q-r*s-n*o,t},quat.mul=quat.multiply,quat.scale=vec4.scale,quat.rotateX=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s+c*q,t[1]=r*s+n*q,t[2]=n*s-r*q,t[3]=c*s-u*q,t},quat.rotateY=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s-n*q,t[1]=r*s+c*q,t[2]=n*s+u*q,t[3]=c*s-r*q,t},quat.rotateZ=function(t,a,e){e*=.5;var u=a[0],r=a[1],n=a[2],c=a[3],q=Math.sin(e),s=Math.cos(e);return t[0]=u*s+r*q,t[1]=r*s-u*q,t[2]=n*s+c*q,t[3]=c*s-n*q,t},quat.calculateW=function(t,a){var e=a[0],u=a[1],r=a[2];return t[0]=e,t[1]=u,t[2]=r,t[3]=Math.sqrt(Math.abs(1-e*e-u*u-r*r)),t},quat.dot=vec4.dot,quat.lerp=vec4.lerp,quat.slerp=function(t,a,e,u){var r,n,c,q,s,o=a[0],i=a[1],v=a[2],l=a[3],f=e[0],h=e[1],M=e[2],m=e[3];return n=o*f+i*h+v*M+l*m,n<0&&(n=-n,f=-f,h=-h,M=-M,m=-m),1-n>1e-6?(r=Math.acos(n),c=Math.sin(r),q=Math.sin((1-u)*r)/c,s=Math.sin(u*r)/c):(q=1-u,s=u),t[0]=q*o+s*f,t[1]=q*i+s*h,t[2]=q*v+s*M,t[3]=q*l+s*m,t},quat.sqlerp=function(){var t=quat.create(),a=quat.create();return function(e,u,r,n,c,q){return quat.slerp(t,u,c,q),quat.slerp(a,r,n,q),quat.slerp(e,t,a,2*q*(1-q)),e}}(),quat.invert=function(t,a){var e=a[0],u=a[1],r=a[2],n=a[3],c=e*e+u*u+r*r+n*n,q=c?1/c:0;return t[0]=-e*q,t[1]=-u*q,t[2]=-r*q,t[3]=n*q,t},quat.conjugate=function(t,a){return t[0]=-a[0],t[1]=-a[1],t[2]=-a[2],t[3]=a[3],t},quat.length=vec4.length,quat.len=quat.length,quat.squaredLength=vec4.squaredLength,quat.sqrLen=quat.squaredLength,quat.normalize=vec4.normalize,quat.fromMat3=function(t,a){var e,u=a[0]+a[4]+a[8];if(u>0)e=Math.sqrt(u+1),t[3]=.5*e,e=.5/e,t[0]=(a[5]-a[7])*e,t[1]=(a[6]-a[2])*e,t[2]=(a[1]-a[3])*e;else{var r=0;a[4]>a[0]&&(r=1),a[8]>a[3*r+r]&&(r=2);var n=(r+1)%3,c=(r+2)%3;e=Math.sqrt(a[3*r+r]-a[3*n+n]-a[3*c+c]+1),t[r]=.5*e,e=.5/e,t[3]=(a[3*n+c]-a[3*c+n])*e,t[n]=(a[3*n+r]+a[3*r+n])*e,t[c]=(a[3*c+r]+a[3*r+c])*e}return t},quat.str=function(t){return"quat("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},quat.exactEquals=vec4.exactEquals,quat.equals=vec4.equals,module.exports=quat;
},{"./common.js":151,"./mat3.js":154,"./vec3.js":158,"./vec4.js":159}],157:[function(require,module,exports){
var glMatrix=require("./common.js"),vec2={};vec2.create=function(){var n=new glMatrix.ARRAY_TYPE(2);return n[0]=0,n[1]=0,n},vec2.clone=function(n){var t=new glMatrix.ARRAY_TYPE(2);return t[0]=n[0],t[1]=n[1],t},vec2.fromValues=function(n,t){var r=new glMatrix.ARRAY_TYPE(2);return r[0]=n,r[1]=t,r},vec2.copy=function(n,t){return n[0]=t[0],n[1]=t[1],n},vec2.set=function(n,t,r){return n[0]=t,n[1]=r,n},vec2.add=function(n,t,r){return n[0]=t[0]+r[0],n[1]=t[1]+r[1],n},vec2.subtract=function(n,t,r){return n[0]=t[0]-r[0],n[1]=t[1]-r[1],n},vec2.sub=vec2.subtract,vec2.multiply=function(n,t,r){return n[0]=t[0]*r[0],n[1]=t[1]*r[1],n},vec2.mul=vec2.multiply,vec2.divide=function(n,t,r){return n[0]=t[0]/r[0],n[1]=t[1]/r[1],n},vec2.div=vec2.divide,vec2.ceil=function(n,t){return n[0]=Math.ceil(t[0]),n[1]=Math.ceil(t[1]),n},vec2.floor=function(n,t){return n[0]=Math.floor(t[0]),n[1]=Math.floor(t[1]),n},vec2.min=function(n,t,r){return n[0]=Math.min(t[0],r[0]),n[1]=Math.min(t[1],r[1]),n},vec2.max=function(n,t,r){return n[0]=Math.max(t[0],r[0]),n[1]=Math.max(t[1],r[1]),n},vec2.round=function(n,t){return n[0]=Math.round(t[0]),n[1]=Math.round(t[1]),n},vec2.scale=function(n,t,r){return n[0]=t[0]*r,n[1]=t[1]*r,n},vec2.scaleAndAdd=function(n,t,r,e){return n[0]=t[0]+r[0]*e,n[1]=t[1]+r[1]*e,n},vec2.distance=function(n,t){var r=t[0]-n[0],e=t[1]-n[1];return Math.sqrt(r*r+e*e)},vec2.dist=vec2.distance,vec2.squaredDistance=function(n,t){var r=t[0]-n[0],e=t[1]-n[1];return r*r+e*e},vec2.sqrDist=vec2.squaredDistance,vec2.length=function(n){var t=n[0],r=n[1];return Math.sqrt(t*t+r*r)},vec2.len=vec2.length,vec2.squaredLength=function(n){var t=n[0],r=n[1];return t*t+r*r},vec2.sqrLen=vec2.squaredLength,vec2.negate=function(n,t){return n[0]=-t[0],n[1]=-t[1],n},vec2.inverse=function(n,t){return n[0]=1/t[0],n[1]=1/t[1],n},vec2.normalize=function(n,t){var r=t[0],e=t[1],c=r*r+e*e;return c>0&&(c=1/Math.sqrt(c),n[0]=t[0]*c,n[1]=t[1]*c),n},vec2.dot=function(n,t){return n[0]*t[0]+n[1]*t[1]},vec2.cross=function(n,t,r){var e=t[0]*r[1]-t[1]*r[0];return n[0]=n[1]=0,n[2]=e,n},vec2.lerp=function(n,t,r,e){var c=t[0],a=t[1];return n[0]=c+e*(r[0]-c),n[1]=a+e*(r[1]-a),n},vec2.random=function(n,t){t=t||1;var r=2*glMatrix.RANDOM()*Math.PI;return n[0]=Math.cos(r)*t,n[1]=Math.sin(r)*t,n},vec2.transformMat2=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[2]*c,n[1]=r[1]*e+r[3]*c,n},vec2.transformMat2d=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[2]*c+r[4],n[1]=r[1]*e+r[3]*c+r[5],n},vec2.transformMat3=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[3]*c+r[6],n[1]=r[1]*e+r[4]*c+r[7],n},vec2.transformMat4=function(n,t,r){var e=t[0],c=t[1];return n[0]=r[0]*e+r[4]*c+r[12],n[1]=r[1]*e+r[5]*c+r[13],n},vec2.forEach=function(){var n=vec2.create();return function(t,r,e,c,a,u){var v,i;for(r||(r=2),e||(e=0),i=c?Math.min(c*r+e,t.length):t.length,v=e;v<i;v+=r)n[0]=t[v],n[1]=t[v+1],a(n,n,u),t[v]=n[0],t[v+1]=n[1];return t}}(),vec2.str=function(n){return"vec2("+n[0]+", "+n[1]+")"},vec2.exactEquals=function(n,t){return n[0]===t[0]&&n[1]===t[1]},vec2.equals=function(n,t){var r=n[0],e=n[1],c=t[0],a=t[1];return Math.abs(r-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(c))&&Math.abs(e-a)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(a))},module.exports=vec2;
},{"./common.js":151}],158:[function(require,module,exports){
var glMatrix=require("./common.js"),vec3={};vec3.create=function(){var t=new glMatrix.ARRAY_TYPE(3);return t[0]=0,t[1]=0,t[2]=0,t},vec3.clone=function(t){var n=new glMatrix.ARRAY_TYPE(3);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n},vec3.fromValues=function(t,n,r){var e=new glMatrix.ARRAY_TYPE(3);return e[0]=t,e[1]=n,e[2]=r,e},vec3.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t},vec3.set=function(t,n,r,e){return t[0]=n,t[1]=r,t[2]=e,t},vec3.add=function(t,n,r){return t[0]=n[0]+r[0],t[1]=n[1]+r[1],t[2]=n[2]+r[2],t},vec3.subtract=function(t,n,r){return t[0]=n[0]-r[0],t[1]=n[1]-r[1],t[2]=n[2]-r[2],t},vec3.sub=vec3.subtract,vec3.multiply=function(t,n,r){return t[0]=n[0]*r[0],t[1]=n[1]*r[1],t[2]=n[2]*r[2],t},vec3.mul=vec3.multiply,vec3.divide=function(t,n,r){return t[0]=n[0]/r[0],t[1]=n[1]/r[1],t[2]=n[2]/r[2],t},vec3.div=vec3.divide,vec3.ceil=function(t,n){return t[0]=Math.ceil(n[0]),t[1]=Math.ceil(n[1]),t[2]=Math.ceil(n[2]),t},vec3.floor=function(t,n){return t[0]=Math.floor(n[0]),t[1]=Math.floor(n[1]),t[2]=Math.floor(n[2]),t},vec3.min=function(t,n,r){return t[0]=Math.min(n[0],r[0]),t[1]=Math.min(n[1],r[1]),t[2]=Math.min(n[2],r[2]),t},vec3.max=function(t,n,r){return t[0]=Math.max(n[0],r[0]),t[1]=Math.max(n[1],r[1]),t[2]=Math.max(n[2],r[2]),t},vec3.round=function(t,n){return t[0]=Math.round(n[0]),t[1]=Math.round(n[1]),t[2]=Math.round(n[2]),t},vec3.scale=function(t,n,r){return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t},vec3.scaleAndAdd=function(t,n,r,e){return t[0]=n[0]+r[0]*e,t[1]=n[1]+r[1]*e,t[2]=n[2]+r[2]*e,t},vec3.distance=function(t,n){var r=n[0]-t[0],e=n[1]-t[1],a=n[2]-t[2];return Math.sqrt(r*r+e*e+a*a)},vec3.dist=vec3.distance,vec3.squaredDistance=function(t,n){var r=n[0]-t[0],e=n[1]-t[1],a=n[2]-t[2];return r*r+e*e+a*a},vec3.sqrDist=vec3.squaredDistance,vec3.length=function(t){var n=t[0],r=t[1],e=t[2];return Math.sqrt(n*n+r*r+e*e)},vec3.len=vec3.length,vec3.squaredLength=function(t){var n=t[0],r=t[1],e=t[2];return n*n+r*r+e*e},vec3.sqrLen=vec3.squaredLength,vec3.negate=function(t,n){return t[0]=-n[0],t[1]=-n[1],t[2]=-n[2],t},vec3.inverse=function(t,n){return t[0]=1/n[0],t[1]=1/n[1],t[2]=1/n[2],t},vec3.normalize=function(t,n){var r=n[0],e=n[1],a=n[2],c=r*r+e*e+a*a;return c>0&&(c=1/Math.sqrt(c),t[0]=n[0]*c,t[1]=n[1]*c,t[2]=n[2]*c),t},vec3.dot=function(t,n){return t[0]*n[0]+t[1]*n[1]+t[2]*n[2]},vec3.cross=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[0],v=r[1],i=r[2];return t[0]=a*i-c*v,t[1]=c*u-e*i,t[2]=e*v-a*u,t},vec3.lerp=function(t,n,r,e){var a=n[0],c=n[1],u=n[2];return t[0]=a+e*(r[0]-a),t[1]=c+e*(r[1]-c),t[2]=u+e*(r[2]-u),t},vec3.hermite=function(t,n,r,e,a,c){var u=c*c,v=u*(2*c-3)+1,i=u*(c-2)+c,o=u*(c-1),M=u*(3-2*c);return t[0]=n[0]*v+r[0]*i+e[0]*o+a[0]*M,t[1]=n[1]*v+r[1]*i+e[1]*o+a[1]*M,t[2]=n[2]*v+r[2]*i+e[2]*o+a[2]*M,t},vec3.bezier=function(t,n,r,e,a,c){var u=1-c,v=u*u,i=c*c,o=v*u,M=3*c*v,s=3*i*u,h=i*c;return t[0]=n[0]*o+r[0]*M+e[0]*s+a[0]*h,t[1]=n[1]*o+r[1]*M+e[1]*s+a[1]*h,t[2]=n[2]*o+r[2]*M+e[2]*s+a[2]*h,t},vec3.random=function(t,n){n=n||1;var r=2*glMatrix.RANDOM()*Math.PI,e=2*glMatrix.RANDOM()-1,a=Math.sqrt(1-e*e)*n;return t[0]=Math.cos(r)*a,t[1]=Math.sin(r)*a,t[2]=e*n,t},vec3.transformMat4=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[3]*e+r[7]*a+r[11]*c+r[15];return u=u||1,t[0]=(r[0]*e+r[4]*a+r[8]*c+r[12])/u,t[1]=(r[1]*e+r[5]*a+r[9]*c+r[13])/u,t[2]=(r[2]*e+r[6]*a+r[10]*c+r[14])/u,t},vec3.transformMat3=function(t,n,r){var e=n[0],a=n[1],c=n[2];return t[0]=e*r[0]+a*r[3]+c*r[6],t[1]=e*r[1]+a*r[4]+c*r[7],t[2]=e*r[2]+a*r[5]+c*r[8],t},vec3.transformQuat=function(t,n,r){var e=n[0],a=n[1],c=n[2],u=r[0],v=r[1],i=r[2],o=r[3],M=o*e+v*c-i*a,s=o*a+i*e-u*c,h=o*c+u*a-v*e,f=-u*e-v*a-i*c;return t[0]=M*o+f*-u+s*-i-h*-v,t[1]=s*o+f*-v+h*-u-M*-i,t[2]=h*o+f*-i+M*-v-s*-u,t},vec3.rotateX=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[0],c[1]=a[1]*Math.cos(e)-a[2]*Math.sin(e),c[2]=a[1]*Math.sin(e)+a[2]*Math.cos(e),t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.rotateY=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[2]*Math.sin(e)+a[0]*Math.cos(e),c[1]=a[1],c[2]=a[2]*Math.cos(e)-a[0]*Math.sin(e),t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.rotateZ=function(t,n,r,e){var a=[],c=[];return a[0]=n[0]-r[0],a[1]=n[1]-r[1],a[2]=n[2]-r[2],c[0]=a[0]*Math.cos(e)-a[1]*Math.sin(e),c[1]=a[0]*Math.sin(e)+a[1]*Math.cos(e),c[2]=a[2],t[0]=c[0]+r[0],t[1]=c[1]+r[1],t[2]=c[2]+r[2],t},vec3.forEach=function(){var t=vec3.create();return function(n,r,e,a,c,u){var v,i;for(r||(r=3),e||(e=0),i=a?Math.min(a*r+e,n.length):n.length,v=e;v<i;v+=r)t[0]=n[v],t[1]=n[v+1],t[2]=n[v+2],c(t,t,u),n[v]=t[0],n[v+1]=t[1],n[v+2]=t[2];return n}}(),vec3.angle=function(t,n){var r=vec3.fromValues(t[0],t[1],t[2]),e=vec3.fromValues(n[0],n[1],n[2]);vec3.normalize(r,r),vec3.normalize(e,e);var a=vec3.dot(r,e);return a>1?0:Math.acos(a)},vec3.str=function(t){return"vec3("+t[0]+", "+t[1]+", "+t[2]+")"},vec3.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]},vec3.equals=function(t,n){var r=t[0],e=t[1],a=t[2],c=n[0],u=n[1],v=n[2];return Math.abs(r-c)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(c))&&Math.abs(e-u)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(u))&&Math.abs(a-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(v))},module.exports=vec3;
},{"./common.js":151}],159:[function(require,module,exports){
var glMatrix=require("./common.js"),vec4={};vec4.create=function(){var t=new glMatrix.ARRAY_TYPE(4);return t[0]=0,t[1]=0,t[2]=0,t[3]=0,t},vec4.clone=function(t){var n=new glMatrix.ARRAY_TYPE(4);return n[0]=t[0],n[1]=t[1],n[2]=t[2],n[3]=t[3],n},vec4.fromValues=function(t,n,e,r){var a=new glMatrix.ARRAY_TYPE(4);return a[0]=t,a[1]=n,a[2]=e,a[3]=r,a},vec4.copy=function(t,n){return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t},vec4.set=function(t,n,e,r,a){return t[0]=n,t[1]=e,t[2]=r,t[3]=a,t},vec4.add=function(t,n,e){return t[0]=n[0]+e[0],t[1]=n[1]+e[1],t[2]=n[2]+e[2],t[3]=n[3]+e[3],t},vec4.subtract=function(t,n,e){return t[0]=n[0]-e[0],t[1]=n[1]-e[1],t[2]=n[2]-e[2],t[3]=n[3]-e[3],t},vec4.sub=vec4.subtract,vec4.multiply=function(t,n,e){return t[0]=n[0]*e[0],t[1]=n[1]*e[1],t[2]=n[2]*e[2],t[3]=n[3]*e[3],t},vec4.mul=vec4.multiply,vec4.divide=function(t,n,e){return t[0]=n[0]/e[0],t[1]=n[1]/e[1],t[2]=n[2]/e[2],t[3]=n[3]/e[3],t},vec4.div=vec4.divide,vec4.ceil=function(t,n){return t[0]=Math.ceil(n[0]),t[1]=Math.ceil(n[1]),t[2]=Math.ceil(n[2]),t[3]=Math.ceil(n[3]),t},vec4.floor=function(t,n){return t[0]=Math.floor(n[0]),t[1]=Math.floor(n[1]),t[2]=Math.floor(n[2]),t[3]=Math.floor(n[3]),t},vec4.min=function(t,n,e){return t[0]=Math.min(n[0],e[0]),t[1]=Math.min(n[1],e[1]),t[2]=Math.min(n[2],e[2]),t[3]=Math.min(n[3],e[3]),t},vec4.max=function(t,n,e){return t[0]=Math.max(n[0],e[0]),t[1]=Math.max(n[1],e[1]),t[2]=Math.max(n[2],e[2]),t[3]=Math.max(n[3],e[3]),t},vec4.round=function(t,n){return t[0]=Math.round(n[0]),t[1]=Math.round(n[1]),t[2]=Math.round(n[2]),t[3]=Math.round(n[3]),t},vec4.scale=function(t,n,e){return t[0]=n[0]*e,t[1]=n[1]*e,t[2]=n[2]*e,t[3]=n[3]*e,t},vec4.scaleAndAdd=function(t,n,e,r){return t[0]=n[0]+e[0]*r,t[1]=n[1]+e[1]*r,t[2]=n[2]+e[2]*r,t[3]=n[3]+e[3]*r,t},vec4.distance=function(t,n){var e=n[0]-t[0],r=n[1]-t[1],a=n[2]-t[2],c=n[3]-t[3];return Math.sqrt(e*e+r*r+a*a+c*c)},vec4.dist=vec4.distance,vec4.squaredDistance=function(t,n){var e=n[0]-t[0],r=n[1]-t[1],a=n[2]-t[2],c=n[3]-t[3];return e*e+r*r+a*a+c*c},vec4.sqrDist=vec4.squaredDistance,vec4.length=function(t){var n=t[0],e=t[1],r=t[2],a=t[3];return Math.sqrt(n*n+e*e+r*r+a*a)},vec4.len=vec4.length,vec4.squaredLength=function(t){var n=t[0],e=t[1],r=t[2],a=t[3];return n*n+e*e+r*r+a*a},vec4.sqrLen=vec4.squaredLength,vec4.negate=function(t,n){return t[0]=-n[0],t[1]=-n[1],t[2]=-n[2],t[3]=-n[3],t},vec4.inverse=function(t,n){return t[0]=1/n[0],t[1]=1/n[1],t[2]=1/n[2],t[3]=1/n[3],t},vec4.normalize=function(t,n){var e=n[0],r=n[1],a=n[2],c=n[3],u=e*e+r*r+a*a+c*c;return u>0&&(u=1/Math.sqrt(u),t[0]=e*u,t[1]=r*u,t[2]=a*u,t[3]=c*u),t},vec4.dot=function(t,n){return t[0]*n[0]+t[1]*n[1]+t[2]*n[2]+t[3]*n[3]},vec4.lerp=function(t,n,e,r){var a=n[0],c=n[1],u=n[2],i=n[3];return t[0]=a+r*(e[0]-a),t[1]=c+r*(e[1]-c),t[2]=u+r*(e[2]-u),t[3]=i+r*(e[3]-i),t},vec4.random=function(t,n){return n=n||1,t[0]=glMatrix.RANDOM(),t[1]=glMatrix.RANDOM(),t[2]=glMatrix.RANDOM(),t[3]=glMatrix.RANDOM(),vec4.normalize(t,t),vec4.scale(t,t,n),t},vec4.transformMat4=function(t,n,e){var r=n[0],a=n[1],c=n[2],u=n[3];return t[0]=e[0]*r+e[4]*a+e[8]*c+e[12]*u,t[1]=e[1]*r+e[5]*a+e[9]*c+e[13]*u,t[2]=e[2]*r+e[6]*a+e[10]*c+e[14]*u,t[3]=e[3]*r+e[7]*a+e[11]*c+e[15]*u,t},vec4.transformQuat=function(t,n,e){var r=n[0],a=n[1],c=n[2],u=e[0],i=e[1],v=e[2],o=e[3],M=o*r+i*c-v*a,h=o*a+v*r-u*c,f=o*c+u*a-i*r,l=-u*r-i*a-v*c;return t[0]=M*o+l*-u+h*-v-f*-i,t[1]=h*o+l*-i+f*-u-M*-v,t[2]=f*o+l*-v+M*-i-h*-u,t[3]=n[3],t},vec4.forEach=function(){var t=vec4.create();return function(n,e,r,a,c,u){var i,v;for(e||(e=4),r||(r=0),v=a?Math.min(a*e+r,n.length):n.length,i=r;i<v;i+=e)t[0]=n[i],t[1]=n[i+1],t[2]=n[i+2],t[3]=n[i+3],c(t,t,u),n[i]=t[0],n[i+1]=t[1],n[i+2]=t[2],n[i+3]=t[3];return n}}(),vec4.str=function(t){return"vec4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+")"},vec4.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]},vec4.equals=function(t,n){var e=t[0],r=t[1],a=t[2],c=t[3],u=n[0],i=n[1],v=n[2],o=n[3];return Math.abs(e-u)<=glMatrix.EPSILON*Math.max(1,Math.abs(e),Math.abs(u))&&Math.abs(r-i)<=glMatrix.EPSILON*Math.max(1,Math.abs(r),Math.abs(i))&&Math.abs(a-v)<=glMatrix.EPSILON*Math.max(1,Math.abs(a),Math.abs(v))&&Math.abs(c-o)<=glMatrix.EPSILON*Math.max(1,Math.abs(c),Math.abs(o))},module.exports=vec4;
},{"./common.js":151}],160:[function(require,module,exports){
"use strict";function GridIndex(t,r,e){var s=this.cells=[];if(t instanceof ArrayBuffer){this.arrayBuffer=t;var i=new Int32Array(this.arrayBuffer);t=i[0],r=i[1],e=i[2],this.d=r+2*e;for(var h=0;h<this.d*this.d;h++){var n=i[NUM_PARAMS+h],o=i[NUM_PARAMS+h+1];s.push(n===o?null:i.subarray(n,o))}var l=i[NUM_PARAMS+s.length],a=i[NUM_PARAMS+s.length+1];this.keys=i.subarray(l,a),this.bboxes=i.subarray(a),this.insert=this._insertReadonly}else{this.d=r+2*e;for(var d=0;d<this.d*this.d;d++)s.push([]);this.keys=[],this.bboxes=[]}this.n=r,this.extent=t,this.padding=e,this.scale=r/t,this.uid=0;var f=e/r*t;this.min=-f,this.max=t+f}module.exports=GridIndex;var NUM_PARAMS=3;GridIndex.prototype.insert=function(t,r,e,s,i){this._forEachCell(r,e,s,i,this._insertCell,this.uid++),this.keys.push(t),this.bboxes.push(r),this.bboxes.push(e),this.bboxes.push(s),this.bboxes.push(i)},GridIndex.prototype._insertReadonly=function(){throw"Cannot insert into a GridIndex created from an ArrayBuffer."},GridIndex.prototype._insertCell=function(t,r,e,s,i,h){this.cells[i].push(h)},GridIndex.prototype.query=function(t,r,e,s){var i=this.min,h=this.max;if(t<=i&&r<=i&&h<=e&&h<=s)return Array.prototype.slice.call(this.keys);var n=[],o={};return this._forEachCell(t,r,e,s,this._queryCell,n,o),n},GridIndex.prototype._queryCell=function(t,r,e,s,i,h,n){var o=this.cells[i];if(null!==o)for(var l=this.keys,a=this.bboxes,d=0;d<o.length;d++){var f=o[d];if(void 0===n[f]){var u=4*f;t<=a[u+2]&&r<=a[u+3]&&e>=a[u+0]&&s>=a[u+1]?(n[f]=!0,h.push(l[f])):n[f]=!1}}},GridIndex.prototype._forEachCell=function(t,r,e,s,i,h,n){for(var o=this._convertToCellCoord(t),l=this._convertToCellCoord(r),a=this._convertToCellCoord(e),d=this._convertToCellCoord(s),f=o;f<=a;f++)for(var u=l;u<=d;u++){var y=this.d*u+f;if(i.call(this,t,r,e,s,y,h,n))return}},GridIndex.prototype._convertToCellCoord=function(t){return Math.max(0,Math.min(this.d-1,Math.floor(t*this.scale)+this.padding))},GridIndex.prototype.toArrayBuffer=function(){if(this.arrayBuffer)return this.arrayBuffer;for(var t=this.cells,r=NUM_PARAMS+this.cells.length+1+1,e=0,s=0;s<this.cells.length;s++)e+=this.cells[s].length;var i=new Int32Array(r+e+this.keys.length+this.bboxes.length);i[0]=this.extent,i[1]=this.n,i[2]=this.padding;for(var h=r,n=0;n<t.length;n++){var o=t[n];i[NUM_PARAMS+n]=h,i.set(o,h),h+=o.length}return i[NUM_PARAMS+t.length]=h,i.set(this.keys,h),h+=this.keys.length,i[NUM_PARAMS+t.length+1]=h,i.set(this.bboxes,h),h+=this.bboxes.length,i.buffer};
},{}],161:[function(require,module,exports){
function xyz2lab(r){return r>t3?Math.pow(r,1/3):r/t2+t0}function lab2xyz(r){return r>t1?r*r*r:t2*(r-t0)}function xyz2rgb(r){return 255*(r<=.0031308?12.92*r:1.055*Math.pow(r,1/2.4)-.055)}function rgb2xyz(r){return(r/=255)<=.04045?r/12.92:Math.pow((r+.055)/1.055,2.4)}function rgbToLab(r){var t=rgb2xyz(r[0]),a=rgb2xyz(r[1]),n=rgb2xyz(r[2]),b=xyz2lab((.4124564*t+.3575761*a+.1804375*n)/Xn),o=xyz2lab((.2126729*t+.7151522*a+.072175*n)/Yn),g=xyz2lab((.0193339*t+.119192*a+.9503041*n)/Zn);return[116*o-16,500*(b-o),200*(o-g),r[3]]}function labToRgb(r){var t=(r[0]+16)/116,a=isNaN(r[1])?t:t+r[1]/500,n=isNaN(r[2])?t:t-r[2]/200;return t=Yn*lab2xyz(t),a=Xn*lab2xyz(a),n=Zn*lab2xyz(n),[xyz2rgb(3.2404542*a-1.5371385*t-.4985314*n),xyz2rgb(-.969266*a+1.8760108*t+.041556*n),xyz2rgb(.0556434*a-.2040259*t+1.0572252*n),r[3]]}function rgbToHcl(r){var t=rgbToLab(r),a=t[0],n=t[1],b=t[2],o=Math.atan2(b,n)*rad2deg;return[o<0?o+360:o,Math.sqrt(n*n+b*b),a,r[3]]}function hclToRgb(r){var t=r[0]*deg2rad,a=r[1],n=r[2];return labToRgb([n,Math.cos(t)*a,Math.sin(t)*a,r[3]])}var Kn=18,Xn=.95047,Yn=1,Zn=1.08883,t0=4/29,t1=6/29,t2=3*t1*t1,t3=t1*t1*t1,deg2rad=Math.PI/180,rad2deg=180/Math.PI;module.exports={lab:{forward:rgbToLab,reverse:labToRgb},hcl:{forward:rgbToHcl,reverse:hclToRgb}};
},{}],162:[function(require,module,exports){
"use strict";function identityFunction(t){return t}function createFunction(t,o){var n;if(isFunctionDefinition(t)){var e,r=t.stops&&"object"==typeof t.stops[0][0],i=r||void 0!==t.property,s=r||!i,a=t.type||o||"exponential";if("exponential"===a)e=evaluateExponentialFunction;else if("interval"===a)e=evaluateIntervalFunction;else if("categorical"===a)e=evaluateCategoricalFunction;else{if("identity"!==a)throw new Error('Unknown function type "'+a+'"');e=evaluateIdentityFunction}var p;if(t.colorSpace&&"rgb"!==t.colorSpace){if(!colorSpaces[t.colorSpace])throw new Error("Unknown color space: "+t.colorSpace);var u=colorSpaces[t.colorSpace];t=JSON.parse(JSON.stringify(t));for(var c=0;c<t.stops.length;c++)t.stops[c]=[t.stops[c][0],u.forward(t.stops[c][1])];p=u.reverse}else p=identityFunction;if(r){var l={},f=[];for(c=0;c<t.stops.length;c++){var v=t.stops[c];void 0===l[v[0].zoom]&&(l[v[0].zoom]={zoom:v[0].zoom,type:t.type,property:t.property,stops:[]}),l[v[0].zoom].stops.push([v[0].value,v[1]])}for(var y in l)f.push([l[y].zoom,createFunction(l[y])]);n=function(o,n){return p(evaluateExponentialFunction({stops:f,base:t.base},o)(o,n))},n.isFeatureConstant=!1,n.isZoomConstant=!1}else s?(n=function(o){return p(e(t,o))},n.isFeatureConstant=!0,n.isZoomConstant=!1):(n=function(o,n){return p(e(t,n[t.property]))},n.isFeatureConstant=!1,n.isZoomConstant=!0)}else n=function(){return t},n.isFeatureConstant=!0,n.isZoomConstant=!0;return n}function evaluateCategoricalFunction(t,o){for(var n=0;n<t.stops.length;n++)if(o===t.stops[n][0])return t.stops[n][1];return t.stops[0][1]}function evaluateIntervalFunction(t,o){for(var n=0;n<t.stops.length&&!(o<t.stops[n][0]);n++);return t.stops[Math.max(n-1,0)][1]}function evaluateExponentialFunction(t,o){for(var n=void 0!==t.base?t.base:1,e=0;;){if(e>=t.stops.length)break;if(o<=t.stops[e][0])break;e++}return 0===e?t.stops[e][1]:e===t.stops.length?t.stops[e-1][1]:interpolate(o,n,t.stops[e-1][0],t.stops[e][0],t.stops[e-1][1],t.stops[e][1])}function evaluateIdentityFunction(t,o){return o}function interpolate(t,o,n,e,r,i){return"function"==typeof r?function(){var s=r.apply(void 0,arguments),a=i.apply(void 0,arguments);return interpolate(t,o,n,e,s,a)}:r.length?interpolateArray(t,o,n,e,r,i):interpolateNumber(t,o,n,e,r,i)}function interpolateNumber(t,o,n,e,r,i){var s,a=e-n,p=t-n;return s=1===o?p/a:(Math.pow(o,p)-1)/(Math.pow(o,a)-1),r*(1-s)+i*s}function interpolateArray(t,o,n,e,r,i){for(var s=[],a=0;a<r.length;a++)s[a]=interpolateNumber(t,o,n,e,r[a],i[a]);return s}function isFunctionDefinition(t){return"object"==typeof t&&(t.stops||"identity"===t.type)}var colorSpaces=require("./color_spaces");module.exports.isFunctionDefinition=isFunctionDefinition,module.exports.interpolated=function(t){return createFunction(t,"exponential")},module.exports["piecewise-constant"]=function(t){return createFunction(t,"interval")};
},{"./color_spaces":161}],163:[function(require,module,exports){
var path=require("path");module.exports={circle:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n#pragma mapbox: define lowp vec4 color\n#pragma mapbox: define lowp float blur\n#pragma mapbox: define lowp float 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 lowp float blur\n    #pragma mapbox: initialize lowp float opacity\n\n    float t = smoothstep(1.0 - max(blur, v_antialiasblur), 1.0, length(v_extrude));\n    gl_FragColor = color * (1.0 - t) * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform bool u_scale_with_map;\nuniform vec2 u_extrude_scale;\nuniform float u_devicepixelratio;\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\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\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 * 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 / u_devicepixelratio / radius;\n}\n"},collisionBox:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute 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:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp vec4 u_color;\n\nvoid main() {\n    gl_FragColor = u_color;\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute 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:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\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_FragColor = color * opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute 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:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n#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:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute 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:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\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_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\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 * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\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\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n    vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n    // the correct offset needs to be calculated.\n    //\n    // The offset depends on how many pixels are between the world origin and\n    // 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\n    // and the edge of the tile. The glsl spec only guarantees 16 bits of\n    // 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:\n    vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n    vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n    v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n    v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n\n    v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},fillPattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\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_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\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) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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\nvoid main() {\n    gl_Position = u_matrix * vec4(a_pos, 0, 1);\n    vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n    vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n    // the correct offset needs to be calculated.\n    //\n    // The offset depends on how many pixels are between the world origin and\n    // 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\n    // and the edge of the tile. The glsl spec only guarantees 16 bits of\n    // 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:\n    vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n    vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n    v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n    v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n}\n"},fillExtrude:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nvarying vec4 v_color;\n#ifdef MAPBOX_GL_JS\n#pragma mapbox: define lowp float minH\n#pragma mapbox: define lowp float maxH\n#endif\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n#ifdef MAPBOX_GL_JS\n    #pragma mapbox: initialize lowp float minH\n    #pragma mapbox: initialize lowp float maxH\n#endif\n    #pragma mapbox: initialize lowp vec4 color\n\n    gl_FragColor = v_color;\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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#ifndef MAPBOX_GL_JS\nattribute float minH;\nattribute float maxH;\n#else\n#pragma mapbox: define lowp float minH\n#pragma mapbox: define lowp float maxH\n#endif\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n#ifdef MAPBOX_GL_JS\n    #pragma mapbox: initialize lowp float minH\n    #pragma mapbox: initialize lowp float maxH\n#endif\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 ? maxH : minH, 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 + minH) * pow(maxH / 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"},fillExtrudePattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\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_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec4 v_lighting;\n\n#ifdef MAPBOX_GL_JS\n#pragma mapbox: define lowp float minH\n#pragma mapbox: define lowp float maxH\n#endif\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n#ifdef MAPBOX_GL_JS\n    #pragma mapbox: initialize lowp float minH\n    #pragma mapbox: initialize lowp float maxH\n#endif\n    #pragma mapbox: initialize lowp vec4 color\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:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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#ifndef MAPBOX_GL_JS\nattribute float minH;\nattribute float maxH;\n#else\n#pragma mapbox: define lowp float minH\n#pragma mapbox: define lowp float maxH\n#endif\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n#ifdef MAPBOX_GL_JS\n    #pragma mapbox: initialize lowp float minH\n    #pragma mapbox: initialize lowp float maxH\n#endif\n    #pragma mapbox: initialize lowp vec4 color\n\n    float t = mod(a_normal.x, 2.0);\n    float z = t > 0.0 ? maxH : minH;\n\n    gl_Position = u_matrix * vec4(a_pos, z, 1);\n\n    vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n    vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n    // the following offset calculation is duplicated from the regular pattern shader:\n    vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n    vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n    if (a_normal.x == 1.0 && a_normal.y == 0.0 && a_normal.z == 16384.0) {\n        // extrusion top\n        v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n        v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n    } else {\n        // extrusion side\n        float hf = z * u_height_factor;\n\n        v_pos_a = (u_tile_units_to_pixels * vec2(a_edgedistance, hf) + offset_a) / scaled_size_a;\n        v_pos_b = (u_tile_units_to_pixels * vec2(a_edgedistance, hf) + offset_b) / scaled_size_b;\n    }\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 + minH) * pow(maxH / 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"},fillExtrudeTexture:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp float u_opacity;\nuniform float u_blur;\n\n#pragma mapbox: define lowp vec4 color\n\nvarying vec2 v_linewidth;\nvarying vec2 v_normal;\nvarying float v_gamma_scale;\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n    gl_FragColor = color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\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_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\nuniform mediump float u_blur;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\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    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_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 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linePattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_blur;\n\nuniform 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;\nuniform float u_opacity;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 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_linewidth.s / u_pattern_size_a.y);\n    float y_b = 0.5 + (v_normal.y * v_linewidth.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    alpha *= u_opacity;\n\n    gl_FragColor = color * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\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\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\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\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    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_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 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n    v_linesofar = a_linesofar;\n\n    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"},lineSDF:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp float u_opacity;\n\nuniform float u_blur;\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\n\n    // Calculate the distance of the pixel from the line in pixels.\n    float dist = length(v_normal) * v_linewidth.s;\n\n    // Calculate the antialiasing fade factor. This is either when fading in\n    // the line in case of an offset line (v_linewidth.t) or when fading out\n    // (v_linewidth.s)\n    float blur = u_blur * v_gamma_scale;\n    float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 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 * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n    gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\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\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\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\n#pragma mapbox: define lowp vec4 color\n\nvoid main() {\n    #pragma mapbox: initialize lowp vec4 color\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    float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n    float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_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 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n    // Remove the texture normal bit of the position before scaling it with the\n    // model/view matrix.\n    gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\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    // position of y on the screen\n    float y = gl_Position.y / gl_Position.w;\n\n    // how much features are squished in the y direction by the tilt\n    float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n    // how much features are squished in all directions by the perspectiveness\n    float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n    v_linewidth = vec2(outset, inset);\n    v_gamma_scale = perspective_scale * squish_scale;\n}\n"
},raster:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\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 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:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform 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:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nconst 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 - 0.5);\n\n    v_tex = a_tex / u_texsize;\n    v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"}},module.exports.util="float 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";
},{"path":125}],164:[function(require,module,exports){
"use strict";function ValidationError(r,i){this.message=(r?r+": ":"")+format.apply(format,Array.prototype.slice.call(arguments,2)),null!==i&&void 0!==i&&i.__line__&&(this.line=i.__line__)}var format=require("util").format;module.exports=ValidationError;
},{"util":135}],165:[function(require,module,exports){
"use strict";module.exports=function(r){for(var t=1;t<arguments.length;t++){var e=arguments[t];for(var n in e)r[n]=e[n]}return r};
},{}],166:[function(require,module,exports){
"use strict";module.exports=function(n){return n instanceof Number?"number":n instanceof String?"string":n instanceof Boolean?"boolean":Array.isArray(n)?"array":null===n?"null":typeof n};
},{}],167:[function(require,module,exports){
"use strict";module.exports=function(n){return n instanceof Number||n instanceof String||n instanceof Boolean?n.valueOf():n};
},{}],168:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),extend=require("../util/extend");module.exports=function(e){var r=require("./validate_function"),t=require("./validate_object"),a={"*":function(){return[]},array:require("./validate_array"),boolean:require("./validate_boolean"),number:require("./validate_number"),color:require("./validate_color"),constants:require("./validate_constants"),enum:require("./validate_enum"),filter:require("./validate_filter"),function:require("./validate_function"),layer:require("./validate_layer"),object:require("./validate_object"),source:require("./validate_source"),string:require("./validate_string")},i=e.value,n=e.valueSpec,u=e.key,o=e.styleSpec,l=e.style;if("string"===getType(i)&&"@"===i[0]){if(o.$version>7)return[new ValidationError(u,i,"constants have been deprecated as of v8")];if(!(i in l.constants))return[new ValidationError(u,i,'constant "%s" not found',i)];e=extend({},e,{value:l.constants[i]})}return n.function&&"object"===getType(i)?r(e):n.type&&a[n.type]?a[n.type](e):t(extend({},e,{valueSpec:n.type?o[n.type]:n}))};
},{"../error/validation_error":164,"../util/extend":165,"../util/get_type":166,"./validate_array":169,"./validate_boolean":170,"./validate_color":171,"./validate_constants":172,"./validate_enum":173,"./validate_filter":174,"./validate_function":175,"./validate_layer":177,"./validate_number":180,"./validate_object":181,"./validate_source":183,"./validate_string":184}],169:[function(require,module,exports){
"use strict";var getType=require("../util/get_type"),validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,t=e.valueSpec,a=e.style,n=e.styleSpec,l=e.key,i=e.arrayElementValidator||validate;if("array"!==getType(r))return[new ValidationError(l,r,"array expected, %s found",getType(r))];if(t.length&&r.length!==t.length)return[new ValidationError(l,r,"array length %d expected, length %d found",t.length,r.length)];if(t["min-length"]&&r.length<t["min-length"])return[new ValidationError(l,r,"array length at least %d expected, length %d found",t["min-length"],r.length)];var o={type:t.value};n.$version<7&&(o.function=t.function),"object"===getType(t.value)&&(o=t.value);for(var u=[],d=0;d<r.length;d++)u=u.concat(i({array:r,arrayIndex:d,value:r[d],valueSpec:o,style:a,styleSpec:n,key:l+"["+d+"]"}));return u};
},{"../error/validation_error":164,"../util/get_type":166,"./validate":168}],170:[function(require,module,exports){
"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.value,o=e.key,t=getType(r);return"boolean"!==t?[new ValidationError(o,r,"boolean expected, %s found",t)]:[]};
},{"../error/validation_error":164,"../util/get_type":166}],171:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),parseCSSColor=require("csscolorparser").parseCSSColor;module.exports=function(r){var e=r.key,o=r.value,t=getType(o);return"string"!==t?[new ValidationError(e,o,"color expected, %s found",t)]:null===parseCSSColor(o)?[new ValidationError(e,o,'color expected, "%s" found',o)]:[]};
},{"../error/validation_error":164,"../util/get_type":166,"csscolorparser":136}],172:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type");module.exports=function(r){var e=r.key,t=r.value,a=r.styleSpec;if(a.$version>7)return t?[new ValidationError(e,t,"constants have been deprecated as of v8")]:[];var o=getType(t);if("object"!==o)return[new ValidationError(e,t,"object expected, %s found",o)];var n=[];for(var i in t)"@"!==i[0]&&n.push(new ValidationError(e+"."+i,t[i],'constants must start with "@"'));return n};
},{"../error/validation_error":164,"../util/get_type":166}],173:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){var r=e.key,n=e.value,u=e.valueSpec,o=[];return Array.isArray(u.values)?u.values.indexOf(unbundle(n))===-1&&o.push(new ValidationError(r,n,"expected one of [%s], %s found",u.values.join(", "),n)):Object.keys(u.values).indexOf(unbundle(n))===-1&&o.push(new ValidationError(r,n,"expected one of [%s], %s found",Object.keys(u.values).join(", "),n)),o};
},{"../error/validation_error":164,"../util/unbundle_jsonlint":167}],174:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),validateEnum=require("./validate_enum"),getType=require("../util/get_type"),unbundle=require("../util/unbundle_jsonlint");module.exports=function e(t){var r,a=t.value,n=t.key,l=t.styleSpec,s=[];if("array"!==getType(a))return[new ValidationError(n,a,"array expected, %s found",getType(a))];if(a.length<1)return[new ValidationError(n,a,"filter array must have at least 1 element")];switch(s=s.concat(validateEnum({key:n+"[0]",value:a[0],valueSpec:l.filter_operator,style:t.style,styleSpec:t.styleSpec})),unbundle(a[0])){case"<":case"<=":case">":case">=":a.length>=2&&"$type"==a[1]&&s.push(new ValidationError(n,a,'"$type" cannot be use with operator "%s"',a[0]));case"==":case"!=":3!=a.length&&s.push(new ValidationError(n,a,'filter array for operator "%s" must have 3 elements',a[0]));case"in":case"!in":a.length>=2&&(r=getType(a[1]),"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant")));for(var o=2;o<a.length;o++)r=getType(a[o]),"$type"==a[1]?s=s.concat(validateEnum({key:n+"["+o+"]",value:a[o],valueSpec:l.geometry_type,style:t.style,styleSpec:t.styleSpec})):"string"===r&&"@"===a[o][0]?s.push(new ValidationError(n+"["+o+"]",a[o],"filter value cannot be a constant")):"string"!==r&&"number"!==r&&"boolean"!==r&&s.push(new ValidationError(n+"["+o+"]",a[o],"string, number, or boolean expected, %s found",r));break;case"any":case"all":case"none":for(o=1;o<a.length;o++)s=s.concat(e({key:n+"["+o+"]",value:a[o],style:t.style,styleSpec:t.styleSpec}));break;case"has":case"!has":r=getType(a[1]),2!==a.length?s.push(new ValidationError(n,a,'filter array for "%s" operator must have 2 elements',a[0])):"string"!==r?s.push(new ValidationError(n+"[1]",a[1],"string expected, %s found",r)):"@"===a[1][0]&&s.push(new ValidationError(n+"[1]",a[1],"filter key cannot be a constant"))}return s};
},{"../error/validation_error":164,"../util/get_type":166,"../util/unbundle_jsonlint":167,"./validate_enum":173}],175:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate"),validateObject=require("./validate_object"),validateArray=require("./validate_array"),validateNumber=require("./validate_number"),unbundle=require("../util/unbundle_jsonlint");module.exports=function(e){function t(e){if("identity"===unbundle(l.type))return[new ValidationError(e.key,e.value,'identity function may not have a "stops" property')];var t=[],a=e.value;return t=t.concat(validateArray({key:e.key,value:a,valueSpec:e.valueSpec,style:e.style,styleSpec:e.styleSpec,arrayElementValidator:r})),"array"===getType(a)&&0===a.length&&t.push(new ValidationError(e.key,a,"array must have at least one stop")),t}function r(e){var t=[],r=e.value,l=e.key;if("array"!==getType(r))return[new ValidationError(l,r,"array expected, %s found",getType(r))];if(2!==r.length)return[new ValidationError(l,r,"array length %d expected, length %d found",2,r.length)];var i=getType(r[0]);if(n||(n=i),i!==n)return[new ValidationError(l,r,"%s stop key type must match previous stop key type %s",i,n)];if("object"===i){if(void 0===r[0].zoom)return[new ValidationError(l,r,"object stop key must have zoom")];if(void 0===r[0].value)return[new ValidationError(l,r,"object stop key must have value")];t=t.concat(validateObject({key:l+"[0]",value:r[0],valueSpec:{zoom:{}},style:e.style,styleSpec:e.styleSpec,objectElementValidators:{zoom:validateNumber,value:a}}))}else t=t.concat((u?validateNumber:a)({key:l+"[0]",value:r[0],valueSpec:{},style:e.style,styleSpec:e.styleSpec}));return t=t.concat(validate({key:l+"[1]",value:r[1],valueSpec:o,style:e.style,styleSpec:e.styleSpec})),"number"===getType(r[0])&&("piecewise-constant"===o.function&&r[0]%1!==0&&t.push(new ValidationError(l+"[0]",r[0],"zoom level for piecewise-constant functions must be an integer")),0!==e.arrayIndex&&r[0]<e.array[e.arrayIndex-1][0]&&t.push(new ValidationError(l+"[0]",r[0],"array stops must appear in ascending order"))),t}function a(e){var t=[],r=getType(e.value);return"number"!==r&&"string"!==r&&"array"!==r&&t.push(new ValidationError(e.key,e.value,"property value must be a number, string or array")),t}var n,o=e.valueSpec,l=e.value,i=void 0!==e.value.property||"object"===n,u=void 0===e.value.property||"object"===n,s=validateObject({key:e.key,value:e.value,valueSpec:e.styleSpec.function,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{stops:t}});return"identity"===unbundle(e.value.type)||e.value.stops||s.push(new ValidationError(e.key,e.value,'missing required property "stops"')),e.styleSpec.$version>=8&&(i&&!e.valueSpec["property-function"]?s.push(new ValidationError(e.key,e.value,"property functions not supported")):u&&!e.valueSpec["zoom-function"]&&s.push(new ValidationError(e.key,e.value,"zoom functions not supported"))),s};
},{"../error/validation_error":164,"../util/get_type":166,"../util/unbundle_jsonlint":167,"./validate":168,"./validate_array":169,"./validate_number":180,"./validate_object":181}],176:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),validateString=require("./validate_string");module.exports=function(r){var e=r.value,t=r.key,a=validateString(r);return a.length?a:(e.indexOf("{fontstack}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{fontstack}" token')),e.indexOf("{range}")===-1&&a.push(new ValidationError(t,e,'"glyphs" url must include a "{range}" token')),a)};
},{"../error/validation_error":164,"./validate_string":184}],177:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateFilter=require("./validate_filter"),validatePaintProperty=require("./validate_paint_property"),validateLayoutProperty=require("./validate_layout_property"),extend=require("../util/extend");module.exports=function(e){var r=[],t=e.value,a=e.key,i=e.style,l=e.styleSpec;t.type||t.ref||r.push(new ValidationError(a,t,'either "type" or "ref" is required'));var o=unbundle(t.type),u=unbundle(t.ref);if(t.id)for(var n=0;n<e.arrayIndex;n++){var s=i.layers[n];unbundle(s.id)===unbundle(t.id)&&r.push(new ValidationError(a,t.id,'duplicate layer id "%s", previously used at line %d',t.id,s.id.__line__))}if("ref"in t){["type","source","source-layer","filter","layout"].forEach(function(e){e in t&&r.push(new ValidationError(a,t[e],'"%s" is prohibited for ref layers',e))});var d;i.layers.forEach(function(e){e.id==u&&(d=e)}),d?d.ref?r.push(new ValidationError(a,t.ref,"ref cannot reference another ref layer")):o=unbundle(d.type):r.push(new ValidationError(a,t.ref,'ref layer "%s" not found',u))}else if("background"!==o)if(t.source){var y=i.sources&&i.sources[t.source];y?"vector"==y.type&&"raster"==o?r.push(new ValidationError(a,t.source,'layer "%s" requires a raster source',t.id)):"raster"==y.type&&"raster"!=o?r.push(new ValidationError(a,t.source,'layer "%s" requires a vector source',t.id)):"vector"!=y.type||t["source-layer"]||r.push(new ValidationError(a,t,'layer "%s" must specify a "source-layer"',t.id)):r.push(new ValidationError(a,t.source,'source "%s" not found',t.source))}else r.push(new ValidationError(a,t,'missing required property "source"'));return r=r.concat(validateObject({key:a,value:t,valueSpec:l.layer,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{filter:validateFilter,layout:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validateLayoutProperty(extend({layerType:o},e))}}})},paint:function(e){return validateObject({layer:t,key:e.key,value:e.value,style:e.style,styleSpec:e.styleSpec,objectElementValidators:{"*":function(e){return validatePaintProperty(extend({layerType:o},e))}}})}}}))};
},{"../error/validation_error":164,"../util/extend":165,"../util/unbundle_jsonlint":167,"./validate_filter":174,"./validate_layout_property":178,"./validate_object":181,"./validate_paint_property":182}],178:[function(require,module,exports){
"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,t=e.style,a=e.styleSpec,i=e.value,l=e.objectKey,o=a["layout_"+e.layerType];if(!o)return[];if(e.valueSpec||o[l]){var s=[];return"symbol"===e.layerType&&("icon-image"===l&&t&&!t.sprite?s.push(new ValidationError(r,i,'use of "icon-image" requires a style "sprite" property')):"text-field"===l&&t&&!t.glyphs&&s.push(new ValidationError(r,i,'use of "text-field" requires a style "glyphs" property'))),s.concat(validate({key:e.key,value:i,valueSpec:e.valueSpec||o[l],style:t,styleSpec:a}))}return[new ValidationError(r,i,'unknown property "%s"',l)]};
},{"../error/validation_error":164,"./validate":168}],179:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate"),validateTypes={enum:require("./validate_enum"),color:require("./validate_color"),array:require("./validate_array"),number:require("./validate_number"),function:require("./validate_function")};module.exports=function(e){var r,t=e.value,a=e.styleSpec,i=a.$root.light,n=e.style,l=[];for(var o in t){var u=o.match(/^(.*)-transition$/);if(u&&i[u[1]]&&i[u[1]].transition){var c=u[1];r=i[c].type,l=l.concat(validate({key:o,value:t[o],valueSpec:a.transition,style:n,styleSpec:a}))}else i[o]?(r=i[o].type,i[o].function&&"object"===getType(t[o])&&(r="function"),l=l.concat(validateTypes[r]({key:o,value:t[o],valueSpec:i[o],style:n,styleSpec:a}))):l=l.concat([new ValidationError(o,t[o],'unknown property "%s"',o)])}return l};
},{"../error/validation_error":164,"../util/get_type":166,"./validate":168,"./validate_array":169,"./validate_color":171,"./validate_enum":173,"./validate_function":175,"./validate_number":180}],180:[function(require,module,exports){
"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,i=e.value,m=e.valueSpec,a=getType(i);return"number"!==a?[new ValidationError(r,i,"number expected, %s found",a)]:"minimum"in m&&i<m.minimum?[new ValidationError(r,i,"%s is less than the minimum value %s",i,m.minimum)]:"maximum"in m&&i>m.maximum?[new ValidationError(r,i,"%s is greater than the maximum value %s",i,m.maximum)]:[]};
},{"../error/validation_error":164,"../util/get_type":166}],181:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),getType=require("../util/get_type"),validate=require("./validate");module.exports=function(e){var r=e.key,t=e.value,i=e.valueSpec,o=e.objectElementValidators||{},a=e.style,l=e.styleSpec,n=[],u=getType(t);if("object"!==u)return[new ValidationError(r,t,"object expected, %s found",u)];for(var d in t){var p=d.split(".")[0],s=i&&(i[p]||i["*"]),c=o[p]||o["*"];s||c?n=n.concat((c||validate)({key:(r?r+".":r)+d,value:t[d],valueSpec:s,style:a,styleSpec:l,object:t,objectKey:d})):""!==r&&1!==r.split(".").length&&n.push(new ValidationError(r,t[d],'unknown property "%s"',d))}for(p in i)i[p].required&&void 0===i[p].default&&void 0===t[p]&&n.push(new ValidationError(r,t,'missing required property "%s"',p));return n};
},{"../error/validation_error":164,"../util/get_type":166,"./validate":168}],182:[function(require,module,exports){
"use strict";var validate=require("./validate"),ValidationError=require("../error/validation_error");module.exports=function(e){var r=e.key,a=e.style,t=e.styleSpec,i=e.value,l=e.objectKey,n=t["paint_"+e.layerType];if(!n)return[];var o=l.match(/^(.*)-transition$/);return o&&n[o[1]]&&n[o[1]].transition?validate({key:r,value:i,valueSpec:t.transition,style:a,styleSpec:t}):e.valueSpec||n[l]?validate({key:e.key,value:i,valueSpec:e.valueSpec||n[l],style:a,styleSpec:t}):[new ValidationError(r,i,'unknown property "%s"',l)]};
},{"../error/validation_error":164,"./validate":168}],183:[function(require,module,exports){
"use strict";var ValidationError=require("../error/validation_error"),unbundle=require("../util/unbundle_jsonlint"),validateObject=require("./validate_object"),validateEnum=require("./validate_enum");module.exports=function(e){var r=e.value,t=e.key,a=e.styleSpec,l=e.style;if(!r.type)return[new ValidationError(t,r,'"type" is required')];var u=unbundle(r.type);switch(u){case"vector":case"raster":var i=[];if(i=i.concat(validateObject({key:t,value:r,valueSpec:a.source_tile,style:e.style,styleSpec:a})),"url"in r)for(var s in r)["type","url","tileSize"].indexOf(s)<0&&i.push(new ValidationError(t+"."+s,r[s],'a source with a "url" property may not include a "%s" property',s));return i;case"geojson":return validateObject({key:t,value:r,valueSpec:a.source_geojson,style:l,styleSpec:a});case"video":return validateObject({key:t,value:r,valueSpec:a.source_video,style:l,styleSpec:a});case"image":return validateObject({key:t,value:r,valueSpec:a.source_image,style:l,styleSpec:a});default:return validateEnum({key:t+".type",value:r.type,valueSpec:{values:["vector","raster","geojson","video","image"]},style:l,styleSpec:a})}};
},{"../error/validation_error":164,"../util/unbundle_jsonlint":167,"./validate_enum":173,"./validate_object":181}],184:[function(require,module,exports){
"use strict";var getType=require("../util/get_type"),ValidationError=require("../error/validation_error");module.exports=function(r){var e=r.value,t=r.key,i=getType(e);return"string"!==i?[new ValidationError(t,e,"string expected, %s found",i)]:[]};
},{"../error/validation_error":164,"../util/get_type":166}],185:[function(require,module,exports){
"use strict";function validateStyleMin(e,a){a=a||latestStyleSpec;var t=[];return t=t.concat(validate({key:"",value:e,valueSpec:a.$root,styleSpec:a,style:e,objectElementValidators:{glyphs:validateGlyphsURL}})),a.$version>7&&e.constants&&(t=t.concat(validateConstants({key:"constants",value:e.constants,style:e,styleSpec:a}))),sortErrors(t)}function sortErrors(e){return[].concat(e).sort(function(e,a){return e.line-a.line})}function wrapCleanErrors(e){return function(){return sortErrors(e.apply(this,arguments))}}var validateConstants=require("./validate/validate_constants"),validate=require("./validate/validate"),latestStyleSpec=require("../reference/latest.min"),validateGlyphsURL=require("./validate/validate_glyphs_url");validateStyleMin.source=wrapCleanErrors(require("./validate/validate_source")),validateStyleMin.light=wrapCleanErrors(require("./validate/validate_light")),validateStyleMin.layer=wrapCleanErrors(require("./validate/validate_layer")),validateStyleMin.filter=wrapCleanErrors(require("./validate/validate_filter")),validateStyleMin.paintProperty=wrapCleanErrors(require("./validate/validate_paint_property")),validateStyleMin.layoutProperty=wrapCleanErrors(require("./validate/validate_layout_property")),module.exports=validateStyleMin;
},{"../reference/latest.min":186,"./validate/validate":168,"./validate/validate_constants":172,"./validate/validate_filter":174,"./validate/validate_glyphs_url":176,"./validate/validate_layer":177,"./validate/validate_layout_property":178,"./validate/validate_light":179,"./validate/validate_paint_property":182,"./validate/validate_source":183}],186:[function(require,module,exports){
module.exports=require("./v8.min.json");
},{"./v8.min.json":187}],187:[function(require,module,exports){
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this.length=this.pos,this.pos=0,this.buf.slice(0,this.length)},writeFixed32:function(t){this.realloc(4),this.buf.writeUInt32LE(t,this.pos),this.pos+=4},writeSFixed32:function(t){this.realloc(4),this.buf.writeInt32LE(t,this.pos),this.pos+=4},writeFixed64:function(t){this.realloc(8),this.buf.writeInt32LE(t&-1,this.pos),this.buf.writeUInt32LE(Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeSFixed64:function(t){this.realloc(8),this.buf.writeInt32LE(t&-1,this.pos),this.buf.writeInt32LE(Math.floor(t*SHIFT_RIGHT_32),this.pos+4),this.pos+=8},writeVarint:function(t){return t=+t,t>268435455?void writeBigVarint(t,this):(this.realloc(4),this.buf[this.pos++]=127&t|(t>127?128:0),void(t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=127&(t>>>=7)|(t>127?128:0),t<=127||(this.buf[this.pos++]=t>>>7&127)))))},writeSVarint:function(t){this.writeVarint(t<0?2*-t-1:2*t)},writeBoolean:function(t){this.writeVarint(Boolean(t))},writeString:function(t){t=String(t);var i=Buffer.byteLength(t);this.writeVarint(i),this.realloc(i),this.buf.write(t,this.pos),this.pos+=i},writeFloat:function(t){this.realloc(4),this.buf.writeFloatLE(t,this.pos),this.pos+=4},writeDouble:function(t){this.realloc(8),this.buf.writeDoubleLE(t,this.pos),this.pos+=8},writeBytes:function(t){var i=t.length;this.writeVarint(i),this.realloc(i);for(var e=0;e<i;e++)this.buf[this.pos++]=t[e]},writeRawMessage:function(t,i){this.pos++;var e=this.pos;t(i,this);var r=this.pos-e;r>=128&&reallocForRawMessage(e,r,this),this.pos=e-1,this.writeVarint(r),this.pos+=r},writeMessage:function(t,i,e){this.writeTag(t,Pbf.Bytes),this.writeRawMessage(i,e)},writePackedVarint:function(t,i){this.writeMessage(t,writePackedVarint,i)},writePackedSVarint:function(t,i){this.writeMessage(t,writePackedSVarint,i)},writePackedBoolean:function(t,i){this.writeMessage(t,writePackedBoolean,i)},writePackedFloat:function(t,i){this.writeMessage(t,writePackedFloat,i)},writePackedDouble:function(t,i){this.writeMessage(t,writePackedDouble,i)},writePackedFixed32:function(t,i){this.writeMessage(t,writePackedFixed32,i)},writePackedSFixed32:function(t,i){this.writeMessage(t,writePackedSFixed32,i)},writePackedFixed64:function(t,i){this.writeMessage(t,writePackedFixed64,i)},writePackedSFixed64:function(t,i){this.writeMessage(t,writePackedSFixed64,i)},writeBytesField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeBytes(i)},writeFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFixed32(i)},writeSFixed32Field:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeSFixed32(i)},writeFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeFixed64(i)},writeSFixed64Field:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeSFixed64(i)},writeVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeVarint(i)},writeSVarintField:function(t,i){this.writeTag(t,Pbf.Varint),this.writeSVarint(i)},writeStringField:function(t,i){this.writeTag(t,Pbf.Bytes),this.writeString(i)},writeFloatField:function(t,i){this.writeTag(t,Pbf.Fixed32),this.writeFloat(i)},writeDoubleField:function(t,i){this.writeTag(t,Pbf.Fixed64),this.writeDouble(i)},writeBooleanField:function(t,i){this.writeVarintField(t,Boolean(i))}};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})

},{"./buffer":189}],191:[function(require,module,exports){
exports.read=function(a,o,t,r,h){var M,p,w=8*h-r-1,f=(1<<w)-1,e=f>>1,i=-7,N=t?h-1:0,n=t?-1:1,s=a[o+N];for(N+=n,M=s&(1<<-i)-1,s>>=-i,i+=w;i>0;M=256*M+a[o+N],N+=n,i-=8);for(p=M&(1<<-i)-1,M>>=-i,i+=r;i>0;p=256*p+a[o+N],N+=n,i-=8);if(0===M)M=1-e;else{if(M===f)return p?NaN:(s?-1:1)*(1/0);p+=Math.pow(2,r),M-=e}return(s?-1:1)*p*Math.pow(2,M-r)},exports.write=function(a,o,t,r,h,M){var p,w,f,e=8*M-h-1,i=(1<<e)-1,N=i>>1,n=23===h?Math.pow(2,-24)-Math.pow(2,-77):0,s=r?0:M-1,u=r?1:-1,l=o<0||0===o&&1/o<0?1:0;for(o=Math.abs(o),isNaN(o)||o===1/0?(w=isNaN(o)?1:0,p=i):(p=Math.floor(Math.log(o)/Math.LN2),o*(f=Math.pow(2,-p))<1&&(p--,f*=2),o+=p+N>=1?n/f:n*Math.pow(2,1-N),o*f>=2&&(p++,f/=2),p+N>=i?(w=0,p=i):p+N>=1?(w=(o*f-1)*Math.pow(2,h),p+=N):(w=o*Math.pow(2,N-1)*Math.pow(2,h),p=0));h>=8;a[t+s]=255&w,s+=u,w/=256,h-=8);for(p=p<<h|w,e+=h;e>0;a[t+s]=255&p,s+=u,p/=256,e-=8);a[t+s-u]|=128*l};
},{}],192:[function(require,module,exports){
"use strict";function Point(t,n){this.x=t,this.y=n}module.exports=Point,Point.prototype={clone:function(){return new Point(this.x,this.y)},add:function(t){return this.clone()._add(t)},sub:function(t){return this.clone()._sub(t)},mult:function(t){return this.clone()._mult(t)},div:function(t){return this.clone()._div(t)},rotate:function(t){return this.clone()._rotate(t)},matMult:function(t){return this.clone()._matMult(t)},unit:function(){return this.clone()._unit()},perp:function(){return this.clone()._perp()},round:function(){return this.clone()._round()},mag:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},equals:function(t){return this.x===t.x&&this.y===t.y},dist:function(t){return Math.sqrt(this.distSqr(t))},distSqr:function(t){var n=t.x-this.x,i=t.y-this.y;return n*n+i*i},angle:function(){return Math.atan2(this.y,this.x)},angleTo:function(t){return Math.atan2(this.y-t.y,this.x-t.x)},angleWith:function(t){return this.angleWithSep(t.x,t.y)},angleWithSep:function(t,n){return Math.atan2(this.x*n-this.y*t,this.x*t+this.y*n)},_matMult:function(t){var n=t[0]*this.x+t[1]*this.y,i=t[2]*this.x+t[3]*this.y;return this.x=n,this.y=i,this},_add:function(t){return this.x+=t.x,this.y+=t.y,this},_sub:function(t){return this.x-=t.x,this.y-=t.y,this},_mult:function(t){return this.x*=t,this.y*=t,this},_div:function(t){return this.x/=t,this.y/=t,this},_unit:function(){return this._div(this.mag()),this},_perp:function(){var t=this.y;return this.y=this.x,this.x=-t,this},_rotate:function(t){var n=Math.cos(t),i=Math.sin(t),s=n*this.x-i*this.y,r=i*this.x+n*this.y;return this.x=s,this.y=r,this},_round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}},Point.convert=function(t){return t instanceof Point?t:Array.isArray(t)?new Point(t[0],t[1]):t};
},{}],193:[function(require,module,exports){
"use strict";function partialSort(a,t,r,o,p){for(r=r||0,o=o||a.length-1,p=p||defaultCompare;o>r;){if(o-r>600){var f=o-r+1,e=t-r+1,l=Math.log(f),s=.5*Math.exp(2*l/3),i=.5*Math.sqrt(l*s*(f-s)/f)*(e-f/2<0?-1:1),n=Math.max(r,Math.floor(t-e*s/f+i)),h=Math.min(o,Math.floor(t+(f-e)*s/f+i));partialSort(a,t,n,h,p)}var u=a[t],M=r,w=o;for(swap(a,r,t),p(a[o],u)>0&&swap(a,r,o);M<w;){for(swap(a,M,w),M++,w--;p(a[M],u)<0;)M++;for(;p(a[w],u)>0;)w--}0===p(a[r],u)?swap(a,r,w):(w++,swap(a,w,o)),w<=t&&(r=w+1),t<=w&&(o=w-1)}}function swap(a,t,r){var o=a[t];a[t]=a[r],a[r]=o}function defaultCompare(a,t){return a<t?-1:a>t?1:0}module.exports=partialSort;
},{}],194:[function(require,module,exports){
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.ShelfPack=e()}(this,function(){function t(t,e,s){s=s||{},this.w=t||64,this.h=e||64,this.autoResize=!!s.autoResize,this.shelves=[],this.stats={},this.count=function(t){this.stats[t]=(0|this.stats[t])+1}}function e(t,e,s){this.x=0,this.y=t,this.w=this.free=e,this.h=s}return t.prototype.pack=function(t,e){t=[].concat(t),e=e||{};for(var s,h,i,n=[],r=0;r<t.length;r++)if(s=t[r].w||t[r].width,h=t[r].h||t[r].height,s&&h){if(i=this.packOne(s,h),!i)continue;e.inPlace&&(t[r].x=i.x,t[r].y=i.y),n.push(i)}if(this.shelves.length>0){for(var o=0,f=0,u=0;u<this.shelves.length;u++){var l=this.shelves[u];f+=l.h,o=Math.max(l.w-l.free,o)}this.resize(o,f)}return n},t.prototype.packOne=function(t,s){for(var h,i,n=0,r={shelf:-1,waste:1/0},o=0;o<this.shelves.length;o++){if(h=this.shelves[o],n+=h.h,s===h.h&&t<=h.free)return this.count(s),h.alloc(t,s);s>h.h||t>h.free||s<h.h&&t<=h.free&&(i=h.h-s,i<r.waste&&(r.waste=i,r.shelf=o))}if(r.shelf!==-1)return h=this.shelves[r.shelf],this.count(s),h.alloc(t,s);if(s<=this.h-n&&t<=this.w)return h=new e(n,this.w,s),this.shelves.push(h),this.count(s),h.alloc(t,s);if(this.autoResize){var f,u,l,a;return f=u=this.h,l=a=this.w,(l<=f||t>l)&&(a=2*Math.max(t,l)),(f<l||s>f)&&(u=2*Math.max(s,f)),this.resize(a,u),this.packOne(t,s)}return null},t.prototype.clear=function(){this.shelves=[],this.stats={}},t.prototype.resize=function(t,e){this.w=t,this.h=e;for(var s=0;s<this.shelves.length;s++)this.shelves[s].resize(t);return!0},e.prototype.alloc=function(t,e){if(t>this.free||e>this.h)return null;var s=this.x;return this.x+=t,this.free-=t,{x:s,y:this.y,w:t,h:e,width:t,height:e}},e.prototype.resize=function(t){return this.free+=t-this.w,this.w=t,!0},t});
},{}],195:[function(require,module,exports){
"use strict";function supercluster(t){return new SuperCluster(t)}function SuperCluster(t){this.options=extend(Object.create(this.options),t),this.trees=new Array(this.options.maxZoom+1)}function createCluster(t,e,o,n){return{x:t,y:e,zoom:1/0,id:n,numPoints:o}}function createPointCluster(t,e){var o=t.geometry.coordinates;return createCluster(lngX(o[0]),latY(o[1]),1,e)}function getClusterJSON(t){return{type:"Feature",properties:getClusterProperties(t),geometry:{type:"Point",coordinates:[xLng(t.x),yLat(t.y)]}}}function getClusterProperties(t){var e=t.numPoints,o=e>=1e4?Math.round(e/1e3)+"k":e>=1e3?Math.round(e/100)/10+"k":e;return{cluster:!0,point_count:e,point_count_abbreviated:o}}function lngX(t){return t/360+.5}function latY(t){var e=Math.sin(t*Math.PI/180),o=.5-.25*Math.log((1+e)/(1-e))/Math.PI;return o<0?0:o>1?1:o}function xLng(t){return 360*(t-.5)}function yLat(t){var e=(180-360*t)*Math.PI/180;return 360*Math.atan(Math.exp(e))/Math.PI-90}function extend(t,e){for(var o in e)t[o]=e[o];return t}function getX(t){return t.x}function getY(t){return t.y}var kdbush=require("kdbush");module.exports=supercluster,SuperCluster.prototype={options:{minZoom:0,maxZoom:16,radius:40,extent:512,nodeSize:64,log:!1},load:function(t){var e=this.options.log;e&&console.time("total time");var o="prepare "+t.length+" points";e&&console.time(o),this.points=t;var n=t.map(createPointCluster);e&&console.timeEnd(o);for(var r=this.options.maxZoom;r>=this.options.minZoom;r--){var i=+Date.now();this.trees[r+1]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),n=this._cluster(n,r),e&&console.log("z%d: %d clusters in %dms",r,n.length,+Date.now()-i)}return this.trees[this.options.minZoom]=kdbush(n,getX,getY,this.options.nodeSize,Float32Array),e&&console.timeEnd("total time"),this},getClusters:function(t,e){for(var o=this.trees[this._limitZoom(e)],n=o.range(lngX(t[0]),latY(t[3]),lngX(t[2]),latY(t[1])),r=[],i=0;i<n.length;i++){var s=o.points[n[i]];r.push(s.id!==-1?this.points[s.id]:getClusterJSON(s))}return r},getTile:function(t,e,o){var n=this.trees[this._limitZoom(t)],r=Math.pow(2,t),i=this.options.extent,s=this.options.radius,u=s/i,a=(o-u)/r,h=(o+1+u)/r,l={features:[]};return this._addTileFeatures(n.range((e-u)/r,a,(e+1+u)/r,h),n.points,e,o,r,l),0===e&&this._addTileFeatures(n.range(1-u/r,a,1,h),n.points,r,o,r,l),e===r-1&&this._addTileFeatures(n.range(0,a,u/r,h),n.points,-1,o,r,l),l.features.length?l:null},_addTileFeatures:function(t,e,o,n,r,i){for(var s=0;s<t.length;s++){var u=e[t[s]];i.features.push({type:1,geometry:[[Math.round(this.options.extent*(u.x*r-o)),Math.round(this.options.extent*(u.y*r-n))]],tags:u.id!==-1?this.points[u.id].properties:getClusterProperties(u)})}},_limitZoom:function(t){return Math.max(this.options.minZoom,Math.min(t,this.options.maxZoom+1))},_cluster:function(t,e){for(var o=[],n=this.options.radius/(this.options.extent*Math.pow(2,e)),r=0;r<t.length;r++){var i=t[r];if(!(i.zoom<=e)){i.zoom=e;for(var s=this.trees[e+1],u=s.within(i.x,i.y,n),a=!1,h=i.numPoints,l=i.x*h,p=i.y*h,m=0;m<u.length;m++){var c=s.points[u[m]];e<c.zoom&&(a=!0,c.zoom=e,l+=c.x*c.numPoints,p+=c.y*c.numPoints,h+=c.numPoints)}o.push(a?createCluster(l/h,p/h,h,-1):i)}}return o}};
},{"kdbush":196}],196:[function(require,module,exports){
"use strict";function kdbush(t,i,e,s,n){return new KDBush(t,i,e,s,n)}function KDBush(t,i,e,s,n){i=i||defaultGetX,e=e||defaultGetY,n=n||Array,this.nodeSize=s||64,this.points=t,this.ids=new n(t.length),this.coords=new n(2*t.length);for(var r=0;r<t.length;r++)this.ids[r]=r,this.coords[2*r]=i(t[r]),this.coords[2*r+1]=e(t[r]);sort(this.ids,this.coords,this.nodeSize,0,this.ids.length-1,0)}function defaultGetX(t){return t[0]}function defaultGetY(t){return t[1]}var sort=require("./sort"),range=require("./range"),within=require("./within");module.exports=kdbush,KDBush.prototype={range:function(t,i,e,s){return range(this.ids,this.coords,t,i,e,s,this.nodeSize)},within:function(t,i,e){return within(this.ids,this.coords,t,i,e,this.nodeSize)}};
},{"./range":197,"./sort":198,"./within":199}],197:[function(require,module,exports){
"use strict";function range(p,r,s,u,h,e,o){for(var a,t,n=[0,p.length-1,0],f=[];n.length;){var l=n.pop(),v=n.pop(),g=n.pop();if(v-g<=o)for(var i=g;i<=v;i++)a=r[2*i],t=r[2*i+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[i]);else{var c=Math.floor((g+v)/2);a=r[2*c],t=r[2*c+1],a>=s&&a<=h&&t>=u&&t<=e&&f.push(p[c]);var d=(l+1)%2;(0===l?s<=a:u<=t)&&(n.push(g),n.push(c-1),n.push(d)),(0===l?h>=a:e>=t)&&(n.push(c+1),n.push(v),n.push(d))}}return f}module.exports=range;
},{}],198:[function(require,module,exports){
"use strict";function sortKD(t,a,o,s,r,e){if(!(r-s<=o)){var f=Math.floor((s+r)/2);select(t,a,f,s,r,e%2),sortKD(t,a,o,s,f-1,e+1),sortKD(t,a,o,f+1,r,e+1)}}function select(t,a,o,s,r,e){for(;r>s;){if(r-s>600){var f=r-s+1,p=o-s+1,w=Math.log(f),m=.5*Math.exp(2*w/3),n=.5*Math.sqrt(w*m*(f-m)/f)*(p-f/2<0?-1:1),c=Math.max(s,Math.floor(o-p*m/f+n)),h=Math.min(r,Math.floor(o+(f-p)*m/f+n));select(t,a,o,c,h,e)}var i=a[2*o+e],l=s,M=r;for(swapItem(t,a,s,o),a[2*r+e]>i&&swapItem(t,a,s,r);l<M;){for(swapItem(t,a,l,M),l++,M--;a[2*l+e]<i;)l++;for(;a[2*M+e]>i;)M--}a[2*s+e]===i?swapItem(t,a,s,M):(M++,swapItem(t,a,M,r)),M<=o&&(s=M+1),o<=M&&(r=M-1)}}function swapItem(t,a,o,s){swap(t,o,s),swap(a,2*o,2*s),swap(a,2*o+1,2*s+1)}function swap(t,a,o){var s=t[a];t[a]=t[o],t[o]=s}module.exports=sortKD;
},{}],199:[function(require,module,exports){
"use strict";function within(s,p,r,t,u,h){for(var i=[0,s.length-1,0],o=[],n=u*u;i.length;){var e=i.pop(),a=i.pop(),f=i.pop();if(a-f<=h)for(var v=f;v<=a;v++)sqDist(p[2*v],p[2*v+1],r,t)<=n&&o.push(s[v]);else{var l=Math.floor((f+a)/2),c=p[2*l],q=p[2*l+1];sqDist(c,q,r,t)<=n&&o.push(s[l]);var D=(e+1)%2;(0===e?r-u<=c:t-u<=q)&&(i.push(f),i.push(l-1),i.push(D)),(0===e?r+u>=c:t+u>=q)&&(i.push(l+1),i.push(a),i.push(D))}}return o}function sqDist(s,p,r,t){var u=s-r,h=p-t;return u*u+h*h}module.exports=within;
},{}],200:[function(require,module,exports){
"use strict";function TinyQueue(t,i){if(!(this instanceof TinyQueue))return new TinyQueue(t,i);if(this.data=t||[],this.length=this.data.length,this.compare=i||defaultCompare,t)for(var a=Math.floor(this.length/2);a>=0;a--)this._down(a)}function defaultCompare(t,i){return t<i?-1:t>i?1:0}function swap(t,i,a){var n=t[i];t[i]=t[a],t[a]=n}module.exports=TinyQueue,TinyQueue.prototype={push:function(t){this.data.push(t),this.length++,this._up(this.length-1)},pop:function(){var t=this.data[0];return this.data[0]=this.data[this.length-1],this.length--,this.data.pop(),this._down(0),t},peek:function(){return this.data[0]},_up:function(t){for(var i=this.data,a=this.compare;t>0;){var n=Math.floor((t-1)/2);if(!(a(i[t],i[n])<0))break;swap(i,n,t),t=n}},_down:function(t){for(var i=this.data,a=this.compare,n=this.length;;){var e=2*t+1,h=e+1,s=t;if(e<n&&a(i[e],i[s])<0&&(s=e),h<n&&a(i[h],i[s])<0&&(s=h),s===t)return;swap(i,s,t),t=s}}};
},{}],201:[function(require,module,exports){
function UnitBezier(t,i,e,r){this.cx=3*t,this.bx=3*(e-t)-this.cx,this.ax=1-this.cx-this.bx,this.cy=3*i,this.by=3*(r-i)-this.cy,this.ay=1-this.cy-this.by,this.p1x=t,this.p1y=r,this.p2x=e,this.p2y=r}module.exports=UnitBezier,UnitBezier.prototype.sampleCurveX=function(t){return((this.ax*t+this.bx)*t+this.cx)*t},UnitBezier.prototype.sampleCurveY=function(t){return((this.ay*t+this.by)*t+this.cy)*t},UnitBezier.prototype.sampleCurveDerivativeX=function(t){return(3*this.ax*t+2*this.bx)*t+this.cx},UnitBezier.prototype.solveCurveX=function(t,i){"undefined"==typeof i&&(i=1e-6);var e,r,s,h,n;for(s=t,n=0;n<8;n++){if(h=this.sampleCurveX(s)-t,Math.abs(h)<i)return s;var u=this.sampleCurveDerivativeX(s);if(Math.abs(u)<1e-6)break;s-=h/u}if(e=0,r=1,s=t,s<e)return e;if(s>r)return r;for(;e<r;){if(h=this.sampleCurveX(s),Math.abs(h-t)<i)return s;t>h?e=s:r=s,s=.5*(r-e)+e}return s},UnitBezier.prototype.solve=function(t,i){return this.sampleCurveY(this.solveCurveX(t,i))};
},{}],202:[function(require,module,exports){
module.exports.VectorTile=require("./lib/vectortile.js"),module.exports.VectorTileFeature=require("./lib/vectortilefeature.js"),module.exports.VectorTileLayer=require("./lib/vectortilelayer.js");
},{"./lib/vectortile.js":203,"./lib/vectortilefeature.js":204,"./lib/vectortilelayer.js":205}],203:[function(require,module,exports){
"use strict";function VectorTile(e,r){this.layers=e.readFields(readTile,{},r)}function readTile(e,r,i){if(3===e){var t=new VectorTileLayer(i,i.readVarint()+i.pos);t.length&&(r[t.name]=t)}}var VectorTileLayer=require("./vectortilelayer");module.exports=VectorTile;
},{"./vectortilelayer":205}],204:[function(require,module,exports){
"use strict";function VectorTileFeature(e,t,r,i,a){this.properties={},this.extent=r,this.type=0,this._pbf=e,this._geometry=-1,this._keys=i,this._values=a,e.readFields(readFeature,this,t)}function readFeature(e,t,r){1==e?t.id=r.readVarint():2==e?readTag(r,t):3==e?t.type=r.readVarint():4==e&&(t._geometry=r.pos)}function readTag(e,t){for(var r=e.readVarint()+e.pos;e.pos<r;){var i=t._keys[e.readVarint()],a=t._values[e.readVarint()];t.properties[i]=a}}function classifyRings(e){var t=e.length;if(t<=1)return[e];for(var r,i,a=[],o=0;o<t;o++){var n=signedArea(e[o]);0!==n&&(void 0===i&&(i=n<0),i===n<0?(r&&a.push(r),r=[e[o]]):r.push(e[o]))}return r&&a.push(r),a}function signedArea(e){for(var t,r,i=0,a=0,o=e.length,n=o-1;a<o;n=a++)t=e[a],r=e[n],i+=(r.x-t.x)*(t.y+r.y);return i}var Point=require("point-geometry");module.exports=VectorTileFeature,VectorTileFeature.types=["Unknown","Point","LineString","Polygon"],VectorTileFeature.prototype.loadGeometry=function(){var e=this._pbf;e.pos=this._geometry;for(var t,r=e.readVarint()+e.pos,i=1,a=0,o=0,n=0,s=[];e.pos<r;){if(!a){var p=e.readVarint();i=7&p,a=p>>3}if(a--,1===i||2===i)o+=e.readSVarint(),n+=e.readSVarint(),1===i&&(t&&s.push(t),t=[]),t.push(new Point(o,n));else{if(7!==i)throw new Error("unknown command "+i);t&&t.push(t[0].clone())}}return t&&s.push(t),s},VectorTileFeature.prototype.bbox=function(){var e=this._pbf;e.pos=this._geometry;for(var t=e.readVarint()+e.pos,r=1,i=0,a=0,o=0,n=1/0,s=-(1/0),p=1/0,h=-(1/0);e.pos<t;){if(!i){var u=e.readVarint();r=7&u,i=u>>3}if(i--,1===r||2===r)a+=e.readSVarint(),o+=e.readSVarint(),a<n&&(n=a),a>s&&(s=a),o<p&&(p=o),o>h&&(h=o);else if(7!==r)throw new Error("unknown command "+r)}return[n,p,s,h]},VectorTileFeature.prototype.toGeoJSON=function(e,t,r){function i(e){for(var t=0;t<e.length;t++){var r=e[t],i=180-360*(r.y+p)/n;e[t]=[360*(r.x+s)/n-180,360/Math.PI*Math.atan(Math.exp(i*Math.PI/180))-90]}}var a,o,n=this.extent*Math.pow(2,r),s=this.extent*e,p=this.extent*t,h=this.loadGeometry(),u=VectorTileFeature.types[this.type];switch(this.type){case 1:var d=[];for(a=0;a<h.length;a++)d[a]=h[a][0];h=d,i(h);break;case 2:for(a=0;a<h.length;a++)i(h[a]);break;case 3:for(h=classifyRings(h),a=0;a<h.length;a++)for(o=0;o<h[a].length;o++)i(h[a][o])}1===h.length?h=h[0]:u="Multi"+u;var f={type:"Feature",geometry:{type:u,coordinates:h},properties:this.properties};return"id"in this&&(f.id=this.id),f};
},{"point-geometry":192}],205:[function(require,module,exports){
"use strict";function VectorTileLayer(e,t){this.version=1,this.name=null,this.extent=4096,this.length=0,this._pbf=e,this._keys=[],this._values=[],this._features=[],e.readFields(readLayer,this,t),this.length=this._features.length}function readLayer(e,t,r){15===e?t.version=r.readVarint():1===e?t.name=r.readString():5===e?t.extent=r.readVarint():2===e?t._features.push(r.pos):3===e?t._keys.push(r.readString()):4===e&&t._values.push(readValueMessage(r))}function readValueMessage(e){for(var t=null,r=e.readVarint()+e.pos;e.pos<r;){var a=e.readVarint()>>3;t=1===a?e.readString():2===a?e.readFloat():3===a?e.readDouble():4===a?e.readVarint64():5===a?e.readVarint():6===a?e.readSVarint():7===a?e.readBoolean():null}return t}var VectorTileFeature=require("./vectortilefeature.js");module.exports=VectorTileLayer,VectorTileLayer.prototype.feature=function(e){if(e<0||e>=this._features.length)throw new Error("feature index out of bounds");this._pbf.pos=this._features[e];var t=this._pbf.readVarint()+this._pbf.pos;return new VectorTileFeature(this._pbf,t,this.extent,this._keys,this._values)};
},{"./vectortilefeature.js":204}],206:[function(require,module,exports){
function fromVectorTileJs(e){var r=[];for(var o in e.layers)r.push(prepareLayer(e.layers[o]));var t=new Pbf;return vtpb.tile.write({layers:r},t),t.finish()}function fromGeojsonVt(e){var r={};for(var o in e)r[o]=new GeoJSONWrapper(e[o].features),r[o].name=o;return fromVectorTileJs({layers:r})}function prepareLayer(e){for(var r={name:e.name||"",version:e.version||1,extent:e.extent||4096,keys:[],values:[],features:[]},o={},t={},n=0;n<e.length;n++){var a=e.feature(n);a.geometry=encodeGeometry(a.loadGeometry());var u=[];for(var s in a.properties){var i=o[s];"undefined"==typeof i&&(r.keys.push(s),i=r.keys.length-1,o[s]=i);var p=wrapValue(a.properties[s]),l=t[p.key];"undefined"==typeof l&&(r.values.push(p),l=r.values.length-1,t[p.key]=l),u.push(i),u.push(l)}a.tags=u,r.features.push(a)}return r}function command(e,r){return(r<<3)+(7&e)}function zigzag(e){return e<<1^e>>31}function encodeGeometry(e){for(var r=[],o=0,t=0,n=e.length,a=0;a<n;a++){var u=e[a];r.push(command(1,1));for(var s=0;s<u.length;s++){1===s&&r.push(command(2,u.length-1));var i=u[s].x-o,p=u[s].y-t;r.push(zigzag(i),zigzag(p)),o+=i,t+=p}}return r}function wrapValue(e){var r,o=typeof e;return"string"===o?r={string_value:e}:"boolean"===o?r={bool_value:e}:"number"===o?r=e%1!==0?{double_value:e}:e<0?{sint_value:e}:{uint_value:e}:(e=JSON.stringify(e),r={string_value:e}),r.key=o+":"+e,r}var Pbf=require("pbf"),vtpb=require("./vector-tile-pb"),GeoJSONWrapper=require("./lib/geojson_wrapper");module.exports=fromVectorTileJs,module.exports.fromVectorTileJs=fromVectorTileJs,module.exports.fromGeojsonVt=fromGeojsonVt,module.exports.GeoJSONWrapper=GeoJSONWrapper;
},{"./lib/geojson_wrapper":207,"./vector-tile-pb":208,"pbf":190}],207:[function(require,module,exports){
"use strict";function GeoJSONWrapper(e){this.features=e,this.length=e.length}function FeatureWrapper(e){this.id="number"==typeof e.id?e.id:void 0,this.type=e.type,this.rawGeometry=1===e.type?[e.geometry]:e.geometry,this.properties=e.tags,this.extent=4096}var Point=require("point-geometry"),VectorTileFeature=require("vector-tile").VectorTileFeature;module.exports=GeoJSONWrapper,GeoJSONWrapper.prototype.feature=function(e){return new FeatureWrapper(this.features[e])},FeatureWrapper.prototype.loadGeometry=function(){var e=this.rawGeometry;this.geometry=[];for(var t=0;t<e.length;t++){for(var r=e[t],o=[],a=0;a<r.length;a++)o.push(new Point(r[a][0],r[a][1]));this.geometry.push(o)}return this.geometry},FeatureWrapper.prototype.bbox=function(){this.geometry||this.loadGeometry();for(var e=this.geometry,t=1/0,r=-(1/0),o=1/0,a=-(1/0),i=0;i<e.length;i++)for(var p=e[i],n=0;n<p.length;n++){var h=p[n];t=Math.min(t,h.x),r=Math.max(r,h.x),o=Math.min(o,h.y),a=Math.max(a,h.y)}return[t,o,r,a]},FeatureWrapper.prototype.toGeoJSON=VectorTileFeature.prototype.toGeoJSON;
},{"point-geometry":192,"vector-tile":202}],208:[function(require,module,exports){
"use strict";function readTile(e,r){return e.readFields(readTileField,{layers:[]},r)}function readTileField(e,r,i){3===e&&r.layers.push(readLayer(i,i.readVarint()+i.pos))}function writeTile(e,r){var i;if(void 0!==e.layers)for(i=0;i<e.layers.length;i++)r.writeMessage(3,writeLayer,e.layers[i])}function readValue(e,r){return e.readFields(readValueField,{},r)}function readValueField(e,r,i){1===e?r.string_value=i.readString():2===e?r.float_value=i.readFloat():3===e?r.double_value=i.readDouble():4===e?r.int_value=i.readVarint():5===e?r.uint_value=i.readVarint():6===e?r.sint_value=i.readSVarint():7===e&&(r.bool_value=i.readBoolean())}function writeValue(e,r){void 0!==e.string_value&&r.writeStringField(1,e.string_value),void 0!==e.float_value&&r.writeFloatField(2,e.float_value),void 0!==e.double_value&&r.writeDoubleField(3,e.double_value),void 0!==e.int_value&&r.writeVarintField(4,e.int_value),void 0!==e.uint_value&&r.writeVarintField(5,e.uint_value),void 0!==e.sint_value&&r.writeSVarintField(6,e.sint_value),void 0!==e.bool_value&&r.writeBooleanField(7,e.bool_value)}function readFeature(e,r){var i=e.readFields(readFeatureField,{},r);return void 0===i.type&&(i.type="Unknown"),i}function readFeatureField(e,r,i){1===e?r.id=i.readVarint():2===e?r.tags=i.readPackedVarint():3===e?r.type=i.readVarint():4===e&&(r.geometry=i.readPackedVarint())}function writeFeature(e,r){void 0!==e.id&&r.writeVarintField(1,e.id),void 0!==e.tags&&r.writePackedVarint(2,e.tags),void 0!==e.type&&r.writeVarintField(3,e.type),void 0!==e.geometry&&r.writePackedVarint(4,e.geometry)}function readLayer(e,r){return e.readFields(readLayerField,{features:[],keys:[],values:[]},r)}function readLayerField(e,r,i){15===e?r.version=i.readVarint():1===e?r.name=i.readString():2===e?r.features.push(readFeature(i,i.readVarint()+i.pos)):3===e?r.keys.push(i.readString()):4===e?r.values.push(readValue(i,i.readVarint()+i.pos)):5===e&&(r.extent=i.readVarint())}function writeLayer(e,r){void 0!==e.version&&r.writeVarintField(15,e.version),void 0!==e.name&&r.writeStringField(1,e.name);var i;if(void 0!==e.features)for(i=0;i<e.features.length;i++)r.writeMessage(2,writeFeature,e.features[i]);if(void 0!==e.keys)for(i=0;i<e.keys.length;i++)r.writeStringField(3,e.keys[i]);if(void 0!==e.values)for(i=0;i<e.values.length;i++)r.writeMessage(4,writeValue,e.values[i]);void 0!==e.extent&&r.writeVarintField(5,e.extent)}var tile=exports.tile={read:readTile,write:writeTile};tile.GeomType={Unknown:0,Point:1,LineString:2,Polygon:3},tile.value={read:readValue,write:writeValue},tile.feature={read:readFeature,write:writeFeature},tile.layer={read:readLayer,write:writeLayer};
},{}],209:[function(require,module,exports){
var bundleFn=arguments[3],sources=arguments[4],cache=arguments[5],stringify=JSON.stringify;module.exports=function(r,e){function t(r){d[r]=!0;for(var e in sources[r][1]){var n=sources[r][1][e];d[n]||t(n)}}for(var n,o=Object.keys(cache),a=0,i=o.length;a<i;a++){var s=o[a],u=cache[s].exports;if(u===r||u&&u.default===r){n=s;break}}if(!n){n=Math.floor(Math.pow(16,8)*Math.random()).toString(16);for(var f={},a=0,i=o.length;a<i;a++){var s=o[a];f[s]=s}sources[n]=[Function(["require","module","exports"],"("+r+")(self)"),f]}var c=Math.floor(Math.pow(16,8)*Math.random()).toString(16),l={};l[n]=n,sources[c]=[Function(["require"],"var f = require("+stringify(n)+");(f.default ? f.default : f)(self);"),l];var d={};t(c);var g="("+bundleFn+")({"+Object.keys(d).map(function(r){return stringify(r)+":["+sources[r][0]+","+stringify(sources[r][1])+"]"}).join(",")+"},{},["+stringify(c)+"])",v=window.URL||window.webkitURL||window.mozURL||window.msURL,w=new Blob([g],{type:"text/javascript"});if(e&&e.bare)return w;var h=v.createObjectURL(w),b=new Worker(h);return b.objectURL=h,b};
},{}],210:[function(require,module,exports){
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(e.WhooTS=e.WhooTS||{})}(this,function(e){function t(e,t,r,n,i,s){s=s||{};var f=e+"?"+["bbox="+o(r,n,i),"format="+(s.format||"image/png"),"service="+(s.service||"WMS"),"version="+(s.version||"1.1.1"),"request="+(s.request||"GetMap"),"srs="+(s.srs||"EPSG:3857"),"width="+(s.width||256),"height="+(s.height||256),"layers="+t].join("&");return f}function o(e,t,o){t=Math.pow(2,o)-t-1;var n=r(256*e,256*t,o),i=r(256*(e+1),256*(t+1),o);return n[0]+","+n[1]+","+i[0]+","+i[1]}function r(e,t,o){var r=2*Math.PI*6378137/256/Math.pow(2,o),n=e*r-2*Math.PI*6378137/2,i=t*r-2*Math.PI*6378137/2;return[n,i]}e.getURL=t,e.getTileBBox=o,e.getMercCoords=r,Object.defineProperty(e,"__esModule",{value:!0})});
},{}],211:[function(require,module,exports){
module.exports={"version":"0.26.0"}
},{}]},{},[18])(18)
});


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