(function(e){function r(e,t){if(!t.steps)throw new Error("steps option missing");this.options=t,this.running=!1,this._tick=this._tick.bind(this),this._t0=+(new Date),this.callback=e,this._time=0,_.defaults(this.options,{animationDelay:0,maxDelta:.2,loop:!0}),this.rescale()}e.torque=e.torque||{};var t=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame||function(e){setTimeout(e,16)},n=window.requestAnimationFrame||window.mozCancelAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame||function(e){};r.prototype={start:function(){this.running=!0,t(this._tick)},isRunning:function(){return this.running},stop:function(){this.pause(),this.time(0)},time:function(e){if(!arguments.length)return this._time;this._time=e;var t=this.range(this.domain(this._time));this.callback(t)},toggle:function(){this.running?this.pause():this.start()},rescale:function(){return this.domainInv=torque.math.linear(this.options.animationDelay,this.options.animationDelay+this.options.animationDuration),this.domain=this.domainInv.invert(),this.range=torque.math.linear(0,this.options.steps),this.rangeInv=this.range.invert(),this.time(this._time),this},duration:function(e){return arguments.length?(this.options.animationDuration=e,this.time()>e&&this.time(0),this.rescale(),this):this.options.animationDuration},steps:function(e){return this.options.steps=e,this.rescale()},step:function(e){if(arguments.length===0)return this.range(this.domain(this._time));this._time=this.domainInv(this.rangeInv(e))},pause:function(){this.running=!1,n(this._tick)},_tick:function(){var e=+(new Date),n=(e-this._t0)*.001;n=Math.min(this.options.maxDelta,n),this._t0=e,this._time+=n,this.time(this._time),this.step()>=this.options.steps&&(this._time=0),this.running&&t(this._tick)}},e.torque.Animator=r})(typeof exports=="undefined"?this:exports),function(e){e.torque=e.torque||{};var t={version:"1.0.0",style:{"comp-op":{css:"comp-op","default-value":"src-over","default-meaning":"add the current layer on top of other layers",doc:"Composite operation. This defines how this layer should behave relative to layers atop or below it.",type:["src","src-over","dst-over","src-in","dst-in","src-out","dst-out","src-atop","dst-atop","xor","darken","lighten"]}},layer:{"buffer-size":{"default-value":"0",type:"float","default-meaning":"No buffer will be used",doc:"Extra tolerance around the Layer extent (in pixels) used to when querying and (potentially) clipping the layer data during rendering"},"-torque-frame-count":{"default-value":"128",type:"number","default-meaning":"the data is broken into 128 time frames",doc:"Number of animation steps/frames used in the animation. If the data contains a fewere number of total frames, the lesser value will be used."},"-torque-resolution":{"default-value":"2",type:"number","default-meaning":"",doc:"Spatial resolution in pixels. A resolution of 1 means no spatial aggregation of the data. Any other resolution of N results in spatial aggregation into cells of NxN pixels. The value N must be power of 2"},"-torque-animation-duration":{"default-value":"30",type:"number","default-meaning":"the animation lasts 30 seconds",doc:"Animation duration in seconds"},"-torque-aggregation-function":{"default-value":"count(cartodb_id)",type:"string","default-meaning":"the value for each cell is the count of points in that cell",doc:"A function used to calculate a value from the aggregate data for each cell. See -torque-resolution"},"-torque-time-attribute":{"default-value":"time",type:"string","default-meaning":"the data column in your table that is of a time based type",doc:"The table column that contains the time information used create the animation"},"-torque-data-aggregation":{"default-value":"linear",type:["cumulative"],"default-meaning":"previous values are discarded",doc:"A linear animation will discard previous values while a cumulative animation will accumulate them until it restarts"}},symbolizers:{"*":{"comp-op":{css:"comp-op","default-value":"src-over","default-meaning":"add the current layer on top of other layers",doc:"Composite operation. This defines how this layer should behave relative to layers atop or below it.",type:["src","src-over","dst-over","src-in","dst-in","src-out","dst-out","src-atop","dst-atop","xor","darken","lighten"]},opacity:{css:"opacity",type:"float",doc:"An alpha value for the style (which means an alpha applied to all features in separate buffer and then composited back to main buffer)","default-value":1,"default-meaning":"no separate buffer will be used and no alpha will be applied to the style after rendering"}},trail:{steps:{css:"trail-steps",type:"float","default-value":1,"default-meaning":"no trail steps",doc:"How many steps of trails are going to be rendered"}},polygon:{fill:{css:"polygon-fill",type:"color","default-value":"rgba(128,128,128,1)","default-meaning":"gray and fully opaque (alpha = 1), same as rgb(128,128,128)",doc:"Fill color to assign to a polygon"},"fill-opacity":{css:"polygon-opacity",type:"float",doc:"The opacity of the polygon","default-value":1,"default-meaning":"opaque"}},line:{stroke:{css:"line-color","default-value":"rgba(0,0,0,1)",type:"color","default-meaning":"black and fully opaque (alpha = 1), same as rgb(0,0,0)",doc:"The color of a drawn line"},"stroke-width":{css:"line-width","default-value":1,type:"float",doc:"The width of a line in pixels"},"stroke-opacity":{css:"line-opacity","default-value":1,type:"float","default-meaning":"opaque",doc:"The opacity of a line"},"stroke-linejoin":{css:"line-join","default-value":"miter",type:["miter","round","bevel"],doc:"The behavior of lines when joining"},"stroke-linecap":{css:"line-cap","default-value":"butt",type:["butt","round","square"],doc:"The display of line endings"}},markers:{file:{css:"marker-file",doc:"An SVG file that this marker shows at each placement. If no file is given, the marker will show an ellipse.","default-value":"","default-meaning":"An ellipse or circle, if width equals height",type:"uri"},opacity:{css:"marker-opacity",doc:"The overall opacity of the marker, if set, overrides both the opacity of both the fill and stroke","default-value":1,"default-meaning":"The stroke-opacity and fill-opacity will be used",type:"float"},"fill-opacity":{css:"marker-fill-opacity",doc:"The fill opacity of the marker","default-value":1,"default-meaning":"opaque",type:"float"},stroke:{css:"marker-line-color",doc:"The color of the stroke around a marker shape.","default-value":"black",type:"color"},"stroke-width":{css:"marker-line-width",doc:"The width of the stroke around a marker shape, in pixels. This is positioned on the boundary, so high values can cover the area itself.",type:"float"},"stroke-opacity":{css:"marker-line-opacity","default-value":1,"default-meaning":"opaque",doc:"The opacity of a line",type:"float"},fill:{css:"marker-fill","default-value":"blue",doc:"The color of the area of the marker.",type:"color"},"marker-type":{css:"marker-type",type:["rectangle","ellipse"],"default-value":"ellipse",doc:"The default marker-type. If a SVG file is not given as the marker-file parameter, the renderer provides either an rectangle or an ellipse (a circle if height is equal to width)"}},point:{file:{css:"point-file",type:"uri",required:!1,"default-value":"none",doc:"Image file to represent a point"},opacity:{css:"point-opacity",type:"float","default-value":1,"default-meaning":"Fully opaque",doc:"A value from 0 to 1 to control the opacity of the point"}}},colors:{aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],grey:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50],transparent:[0,0,0,0]}};e.torque["torque-reference"]={version:{latest:t,"1.0.0":t}}}(typeof exports=="undefined"?this:exports),function(e){function t(){}t.prototype={},t.optionsFromLayer=function(e){var t={};if(!e)return t;var n={"buffer-size":"buffer-size","-torque-frame-count":"steps","-torque-resolution":"resolution","-torque-animation-duration":"animationDuration","-torque-aggregation-function":"countby","-torque-time-attribute":"column","-torque-data-aggregation":"data_aggregation"};for(var r in n){var i=e.eval(r);if(i!==undefined){var s=n[r];t[s]=i}}return t},t.optionsFromCartoCSS=function(e){var n=(new carto.RendererJS).render(e),r=n.findLayer({name:"Map"});return t.optionsFromLayer(r)},e.torque.common=torque.common||{},e.torque.common.TorqueLayer=t}(typeof exports=="undefined"?this:exports),function(e){e.torque=e.torque||{};var t={};t.on=function(e,t){var n=this._evt_callbacks=this._evt_callbacks||{},r=n[e]||(n[e]=[]);r.push(t)},t.trigger=function(e){var t=this._evt_callbacks&&this._evt_callbacks[e];for(var n=0;t&&n1&&(n.new_value(this.name,this.count),this.count=0,this.start())}},n.metric=function(e){return new r(e)},e.Profiler=n}(typeof exports=="undefined"?this:exports),function(e){function o(e){for(var t=1;t>0),e.options.data_steps=t.num_steps>>0,e.options.step=e.options.step||1,e.options.bounds=[[t.ymin,t.xmin],[t.ymax,t.xmax]],e._setReady(!0)},{parseJSON:!0,no_cdn:!0})},{parseJSON:!0,no_cdn:!0})}},t.providers.json=u}(typeof exports=="undefined"?this:exports),function(e){function u(e,t){for(var n=1;n=200&&e<300||e===304?t(s):t(null)}r=r||{method:"GET",data:null},n={url:e,callback:t};var i=XMLHttpRequest;window.XDomainRequest&&!("withCredentials"in i)&&/^(http(s)?:)?\/\//.test(e)&&(i=XDomainRequest);var s=new i;return s.open(r.method,e,!0),"onload"in s?s.onload=s.onerror=o:s.onreadystatechange=function(){s.readyState>3&&o()},s.onprogress=function(){},r.data&&(s.setRequestHeader("Content-type","application/json"),s.setRequestHeader("Accept","*")),s.send(r.data),s}function s(e,t,n){return i(e,n,{data:t,method:"POST"})}var t=e.torque=e.torque||{};t.net=t.net||{};var n=null;t.net={get:i,post:s,jsonp:r,lastCall:function(){return n}}}(typeof exports=="undefined"?this:exports),function(e){function n(e,n){e.fillStyle=n.fillStyle,e.strokStyle=n.strokStyle;var r=n["point-radius"];e.beginPath(),e.arc(0,0,r,0,t,!0,!0),e.closePath(),n.fillStyle&&(n.fillOpacity&&(e.globalAlpha=n.fillOpacity),e.fill()),e.globalAlpha=1,n.strokeStyle&&n.lineWidth&&(n.strokeOpacity&&(e.globalAlpha=n.strokeOpacity),n.lineWidth&&(e.lineWidth=n.lineWidth),e.strokeStyle=n.strokeStyle,e.globalAlpha>0&&e.stroke())}function r(e,t){e.fillStyle=t.fillStyle,e.strokStyle=t.strokStyle;var n=t["point-radius"];t.fillStyle&&t.fillOpacity&&(e.globalAlpha=t.fillOpacity),e.fillRect(0,0,n,n),e.globalAlpha=1,t.strokeStyle&&t.lineWidth&&(t.strokeOpacity&&(e.globalAlpha=t.strokeOpacity),t.lineWidth&&(e.lineWidth=t.lineWidth),e.strokeStyle=t.strokeStyle,e.globalAlpha>0&&e.strokeRect(0,0,n,n))}function i(e,t){var n=t["point-file"]||t["marker-file"],r=n.height/n.width,i=t["point-radius"]||n.width,s=t["point-radius"]||t["marker-height"]||i*r;e.drawImage(n,0,0,i,s)}e.torque=e.torque||{};var t=Math.PI*2;e.torque.cartocss=e.torque.cartocss||{},e.torque.cartocss={renderPoint:n,renderSprite:i,renderRectangle:r}}(typeof exports=="undefined"?this:exports),function(e){function r(e,t){if(!e)throw new Error("canvas can't be undefined");this.options=t,this._canvas=e,this._ctx=e.getContext("2d"),this._sprites=[],this._shader=null,this.setCartoCSS(this.options.cartocss||n)}e.torque=e.torque||{},e.torque.renderer=e.torque.renderer||{};var t=Math.PI*2,n=["#layer {"," marker-fill: #662506;"," marker-width: 4;"," [value > 1] { marker-fill: #FEE391; }"," [value > 2] { marker-fill: #FEC44F; }"," [value > 3] { marker-fill: #FE9929; }"," [value > 4] { marker-fill: #EC7014; }"," [value > 5] { marker-fill: #CC4C02; }"," [value > 6] { marker-fill: #993404; }"," [value > 7] { marker-fill: #662506; }","}"].join("\n");r.prototype={setCanvas:function(e){this._canvas=e,this._ctx=e.getContext("2d")},setCartoCSS:function(e){this.setShader((new carto.RendererJS).render(e))},setShader:function(e){this._sprites=[],this._shader=e},clearSpriteCache:function(){this._sprites=[]},generateSprite:function(e,t,n){var r=Profiler.metric("PointRenderer:generateSprite").start(),i=e.getStyle("canvas-2d",{value:t},n),s=i["point-radius"];if(!s)throw new Error("marker-width property should be set");var o=(i.lineWidth||0)+s*2,u=document.createElement("canvas"),a=u.getContext("2d");a.width=u.width=Math.ceil(o),a.height=u.height=Math.ceil(o),a.translate(o/2,o/2);if(i["point-file"]||i["marker-file"])torque.cartocss.renderSprite(a,i);else{var f=i["marker-type"];f&&f==="rectangle"?torque.cartocss.renderRectangle(a,i):torque.cartocss.renderPoint(a,i)}return r.end(),u},renderTile:function(e,t){var n=this._shader.getLayers();for(var r=0,i=n.length;re.maxDate&&(t=e.maxDate);var f=this.options.resolution*(256/this.options.resolution-1),l=e.timeCount[t];if(l){var c=e.timeIndex[t];for(var h=0;h>1),g=f-e.y[p];u.drawImage(v,m,g-(v.height>>1))}}}o.end()},setBlendMode:function(e){this.options.blendmode=e}},e.torque.renderer.Point=r}(typeof exports=="undefined"?this:exports),function(e){function r(e,n){this.options=n,carto.tree.Reference.set(torque["torque-reference"]),this.setCanvas(e),this.setCartoCSS(this.options.cartocss||t)}e.torque=e.torque||{},e.torque.renderer=e.torque.renderer||{};var t=["#layer {"," polygon-fill: #FFFF00;"," [value > 10] { polygon-fill: #FFFF00; }"," [value > 100] { polygon-fill: #FFCC00; }"," [value > 1000] { polygon-fill: #FE9929; }"," [value > 10000] { polygon-fill: #FF6600; }"," [value > 100000] { polygon-fill: #FF3300; }","}"].join("\n"),n=Math.PI*2;r.prototype={setCartoCSS:function(e){this._cartoCssStyle=(new carto.RendererJS).render(e);if(this._cartoCssStyle.getLayers().length>1)throw new Error("only one CartoCSS layer is supported");this._shader=this._cartoCssStyle.getLayers()[0].shader},setCanvas:function(e){if(!e)return;this._canvas=e,this._ctx=e.getContext("2d")},accumulate:function(e,t){var n=Profiler.metric("RectangleRender:accumulate").start(),r,i,s,o,u,a,f,l,c=this.options.resolution,h=256/c,p=new Float32Array(h*h);typeof t!="object"&&(t=[t]);for(u=0;ur&&(n.x-=r),this.canvas.style[CanvasLayer.CSS_TRANSFORM_]="translate("+Math.round(n.x)+"px,"+Math.round(n.y)+"px)",this.scheduleUpdate()},CanvasLayer.prototype.update_=function(){this.requestAnimationFrameId_=null;if(!this.isAdded_)return;this.isAnimated_&&this.scheduleUpdate(),this.needsResize_&&this.resizeHandler_&&(this.needsResize_=!1,this.resizeHandler_()),this.updateHandler_&&this.updateHandler_()},CanvasLayer.prototype.getTopLeft=function(){return this.topLeft_},CanvasLayer.prototype.scheduleUpdate=function(){this.isAdded_&&!this.requestAnimationFrameId_&&(this.requestAnimationFrameId_=this.requestAnimFrame_.call(window,this.requestUpdateFunction_))}}if(typeof google!="undefined"&&typeof google.maps!="undefined"){function CanvasTileLayer(e,t){this.tileSize=new google.maps.Size(256,256),this.maxZoom=19,this.name="Tile #s",this.alt="Canvas tile layer",this.tiles={},this.canvas_setup=e,this.render=t,t||(this.render=e)}CanvasTileLayer.prototype.create_tile_canvas=function(e,t,n){var r=n.createElement("canvas"),i=n.createElement("canvas");r.style.border=i.style.border="none",r.style.margin=i.style.margin="0",r.style.padding=i.style.padding="0";var s=r.getContext("2d");s.width=r.width=this.tileSize.width,s.height=r.height=this.tileSize.height;var o=i.getContext("2d");i.width=o.width=this.tileSize.width,i.height=o.height=this.tileSize.height;var u=e.x+"_"+e.y+"_"+t;return r.setAttribute("id",u),i.setAttribute("id",u),u in this.tiles&&delete this.tiles[u],this.tiles[u]={canvas:r,ctx:s,hit_canvas:i,hit_ctx:o,coord:e,zoom:t,primitives:null},this.canvas_setup&&this.canvas_setup(this.tiles[u],e,t),r},CanvasTileLayer.prototype.each=function(e){for(var t in this.tiles){var n=this.tiles[t];e(n)}},CanvasTileLayer.prototype.recreate=function(){for(var e in this.tiles){var t=this.tiles[e];this.canvas_setup(t,t.coord,t.zoom)}},CanvasTileLayer.prototype.redraw_tile=function(e){this.render(e,e.coord,e.zoom)},CanvasTileLayer.prototype.redraw=function(){for(var e in this.tiles){var t=this.tiles[e];this.render(t,t.coord,t.zoom)}},CanvasTileLayer.prototype.getTile=function(e,t,n){return this.create_tile_canvas(e,t,n)},CanvasTileLayer.prototype.releaseTile=function(e){var t=e.getAttribute("id");delete this.tiles[t]}}(function(e){function t(){}if(typeof google=="undefined"||typeof google.maps=="undefined")return;t.prototype={_initTileLoader:function(e,t){this._map=e,this._projection=t,this._tiles={},this._tilesToLoad=0,this._updateTiles=this._updateTiles.bind(this),this._listeners=[],this._listeners.push(google.maps.event.addListener(this._map,"dragend",this._updateTiles),google.maps.event.addListener(this._map,"zoom_changed",this._updateTiles)),this.tileSize=256,this._updateTiles()},_removeTileLoader:function(){for(var e in this._listeners)google.maps.event.removeListener(this._listeners[e]);this._removeTiles()},_removeTiles:function(){for(var e in this._tiles)this._removeTile(e)},_reloadTiles:function(){this._removeTiles(),this._updateTiles()},_updateTiles:function(){if(!this._map)return;var e=this._map.getBounds(),t=this._map.getZoom(),n=this.tileSize,r=1<t.x||it.y)&&this._removeTile(s))},_removeTile:function(e){this.onTileRemoved&&this.onTileRemoved(this._tiles[e]),delete this._tiles[e]},_tileShouldBeLoaded:function(e){return!(e.x+":"+e.y+":"+e.zoom in this._tiles)},_tileLoaded:function(e,t){this._tilesToLoad--,this._tiles[e.x+":"+e.y+":"+e.zoom]=t,this._tilesToLoad===0&&this.onTilesLoaded&&this.onTilesLoaded()},getTilePos:function(e){var t=1<this.options.maxZoom||te.max.x||re.max.y)&&this._removeTile(s))},_removeTile:function(e){this.fire("tileRemoved",this._tiles[e]),delete this._tiles[e]},_tileShouldBeLoaded:function(e){return!(e.x+":"+e.y+":"+e.zoom in this._tiles)},_tileLoaded:function(e,t){this._tilesToLoad--,this._tiles[e.x+":"+e.y+":"+e.zoom]=t,this._tilesToLoad===0&&this.fire("tilesLoaded")},getTilePos:function(e){e=new L.Point(e.x,e.y);var t=this._map._getNewTopLeftPoint(this._map.getCenter()),n=this.options.tileSize;return e.multiplyBy(n).subtract(t)},_addTilesFromCenterOut:function(e){var t=[],n=e.getCenter(),r=this._map.getZoom(),i,s,o;for(i=e.min.y;i<=e.max.y;i++)for(s=e.min.x;s<=e.max.x;s++)o=new L.Point(s,i),o.zoom=r,this._tileShouldBeLoaded(o)&&t.push(o);var u=t.length;if(u===0)return;t.sort(function(e,t){return e.distanceTo(n)-t.distanceTo(n)}),this._tilesToLoad+=u;for(s=0;s