2 lines
77 KiB
JavaScript
2 lines
77 KiB
JavaScript
/* 2020-9-22 15:23:19 | 版权所有 军懋国兴 */
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c=(m=o[u].geometry._coordinates||o[u].geometry.coordinates)[0]+r.x,g=m[1]+r.y,p=o[u][l],f=t.measureText(p).width,d=c-f/2,v=g-s/2,y={sw:{x:d,y:v+s},ne:{x:d+f,y:v}};E(a,y)||(a.push(y),d+=f/2,v+=s/2,t.fillText(p,d,v))}else for(u=0,h=o.length;u<h;u++){var m,c=(m=o[u].geometry._coordinates||o[u].geometry.coordinates)[0]+r.x,g=m[1]+r.y,p=o[u][l];t.fillText(p,c,g)}t.restore()},st=function(t,e,n){var i=e instanceof O?e.get():e;t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var o,r,a,s,l,u,h,c=n.offset||{x:0,y:0},g=0,p=i.length;g<p;g++){i[g].geometry&&(o=i[g].deg||n.deg,r=i[g].icon||n.icon,u=(a=i[g].geometry._coordinates||i[g].geometry.coordinates)[0],h=a[1],o&&(t.save(),t.translate(u,h),t.rotate(o*Math.PI/180),t.translate(-u,-h)),s=n._width||n.width||r.width,l=n._height||n.height||r.height,u=u-s/2+c.x,h=h-l/2+c.y,n.sx&&n.sy&&n.swidth&&n.sheight&&n.width&&n.height?t.drawImage(r,n.sx,n.sy,n.swidth,n.sheight,u,h,s,l):n.width&&n.height?t.drawImage(r,u,h,s,l):t.drawImage(r,u,h),o&&t.restore())}},lt=function(t,e,n){return e&&ut(t.prototype,e),n&&ut(t,n),t};function ut(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}"undefined"!=typeof window&&requestAnimationFrame(function t(e){requestAnimationFrame(t),rt.update(e)});function ht(t,e,n){null===t&&(t=Function.prototype);var i=Object.getOwnPropertyDescriptor(t,e);if(void 0===i){var o=Object.getPrototypeOf(t);return null===o?void 0:ht(o,e,n)}if("value"in i)return i.value;var r=i.get;return void 0!==r?r.call(n):void 0}var ct=(lt(_t,[{key:"getDefaultContextConfig",value:function(){return{globalAlpha:1,globalCompositeOperation:"source-over",imageSmoothingEnabled:!0,strokeStyle:"#000000",fillStyle:"#000000",shadowOffsetX:0,shadowOffsetY:0,shadowBlur:0,shadowColor:"rgba(0, 0, 0, 0)",lineWidth:1,lineCap:"butt",lineJoin:"miter",miterLimit:10,lineDashOffset:0,font:"10px sans-serif",textAlign:"start",textBaseline:"alphabetic"}}},{key:"initDataRange",value:function(){var t,e,n=this;n.intensity=new I({maxSize:n.options.maxSize,minSize:n.options.minSize,gradient:n.options.gradient,max:n.options.max||this.dataSet.getMax("count")}),n.category=new i(n.options.splitList),n.choropleth=new o(n.options.splitList),void 0===n.options.splitList&&n.category.generateByDataSet(this.dataSet),void 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t=this.options.animation;return t&&!(!1===t.enabled)}},{key:"argCheck",value:function(t){"heatmap"==t.draw&&t.strokeStyle&&console.warn("[heatmap] options.strokeStyle is discard, pleause use options.strength [eg: options.strength = 0.1]")}},{key:"drawContext",value:function(t,e,n,i){var o=this;switch(o.options.draw){case"heatmap":D.draw(t,e,o.options);break;case"grid":case"honeycomb":o.options.offset={x:i.x,y:i.y},"grid"==o.options.draw?U.draw(t,e,o.options):j.draw(t,e,o.options);break;case"text":at(t,e,o.options);break;case"icon":st(t,e,o.options);break;case"clip":t.save(),t.fillStyle=o.options.fillStyle||"rgba(0, 0, 0, 0.5)",t.fillRect(0,0,t.canvas.width,t.canvas.height),T.draw(t,e,o.options),t.beginPath(),F.drawDataSet(t,e,o.options),t.clip(),R(t),t.restore();break;default:"webgl"==o.options.context?Q.draw(o.canvasLayer.canvas.getContext("webgl"),e,o.options):T.draw(t,e,o.options)}}},{key:"isPointInPath",value:function(t,e){for(var t=this.canvasLayer.canvas.getContext(this.context),n=this.dataSet.get(),i=0;i<n.length;i++){t.beginPath(),F.draw(t,n[i],this.options);var o=e.x*this.canvasLayer.devicePixelRatio,r=e.y*this.canvasLayer.devicePixelRatio;if(t.isPointInPath(o,r)||t.isPointInStroke(o,r))return n[i]}}},{key:"clickEvent",value:function(t,e){var n=this.isPointInPath(this.getContext(),t);n?this.options.methods.click(n,e):this.options.methods.click(null,e)}},{key:"mousemoveEvent",value:function(t,e){var n=this.isPointInPath(this.getContext(),t);n?this.options.methods.mousemove(n,e):this.options.methods.mousemove(null,e)}},{key:"update",value:function(t,e){var n,i=t.options,o=this.options;for(n in i)o[n]=i[n];this.init(o),!1!==e&&this.draw()}},{key:"setOptions",value:function(t){this.init(t),this.draw()}},{key:"set",value:function(t){var e,n=this.getContext(),i=this.getDefaultContextConfig();for(e in i)n[e]=i[e];this.init(t.options),this.draw()}},{key:"destroy",value:function(){this.unbindEvent(),this.hide()}},{key:"initAnimator",value:function(){var t,e=this,n=e.options.animation;"time"==e.options.draw||e.isEnabledTime()?(n.stepsRange||(n.stepsRange={start:this.dataSet.getMin("time")||0,end:this.dataSet.getMax("time")||0}),this.steps={step:n.stepsRange.start},e.animator=new rt.Tween(this.steps).onUpdate(function(){e._canvasUpdate(this.step)}).repeat(1/0),this.addAnimatorEvent(),t=1e3*n.duration||5e3,e.animator.to({step:n.stepsRange.end},t),e.animator.start()):e.animator&&e.animator.stop()}},{key:"addAnimatorEvent",value:function(){}},{key:"animatorMovestartEvent",value:function(){var t=this.options.animation;this.isEnabledTime()&&this.animator&&(this.steps.step=t.stepsRange.start,this.animator.stop())}},{key:"animatorMoveendEvent",value:function(){this.isEnabledTime()&&this.animator&&this.animator.start()}}]),_t),gt=function(t,e,n){return e&&wt(t.prototype,e),n&&wt(t,n),t},pt=(function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+_typeof(e));t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(xt,ct),gt(xt,[{key:"init",value:function(t){var e=this;e.options=t,this.initDataRange(t),this.context=e.options.context||"2d",e.options.zIndex&&this.canvasLayer&&this.canvasLayer.setZIndex(e.options.zIndex),e.options.max&&this.intensity.setMax(e.options.max),e.options.min&&this.intensity.setMin(e.options.min),this.initAnimator()}},{key:"transferToMercator",value:function(){var t,n=this.map.getMapType().getProjection();"bd09mc"!==this.options.coordType&&(t=this.dataSet.get(),t=this.dataSet.transferCoordinate(t,function(t){var e=n.lngLatToPoint({lng:t[0],lat:t[1]});return[e.x,e.y]},"coordinates","coordinates_mercator"),this.dataSet._set(t))}},{key:"_canvasUpdate",value:function(){var t,e,n,i,o,r=this.ctx;r&&(t=this.map,e=Math.pow(2,18-t.getZoom()),n=t.getMapType().getProjection().lngLatToPoint(t.getCenter()),i=new BMap.Pixel(n.x-t.getSize().width/2*e,n.y+t.getSize().height/2*e),R(r),o={fromColumn:"bd09mc"==this.options.coordType?"coordinates":"coordinates_mercator",transferCoordinate:function(t){if(t)return[(t[0]-i.x)/e,(i.y-t[1])/e]}},this.data=this.dataSet.get(o),this.processData(this.data),this.drawAnimation())}},{key:"drawAnimation",value:function(){var t=this.ctx,e=this.data;if(e){t.save(),t.globalCompositeOperation="destination-out",t.fillStyle="rgba(0, 0, 0, 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0===e[u]._size&&(e[u]._size=o),t.arc(e[u].geometry._coordinates[0],e[u].geometry._coordinates[1],e[u]._size,0,2*Math.PI,!0),t.closePath(),e[u]._size++,e[u]._size>n&&(e[u]._size=o),t.lineWidth=1,t.strokeStyle=e[u].strokeStyle||e[u]._strokeStyle||l.strokeStyle||"yellow",t.stroke(),(s=e[u].fillStyle||e[u]._fillStyle||l.fillStyle)&&(t.fillStyle=s,t.fill())):"LineString"===e[u].geometry.type&&(t.beginPath(),i=e[u].size||this.options.size||5,o=e[u].minSize||this.options.minSize||0,void 0===e[u]._index&&(e[u]._index=0),r=e[u]._index,t.arc(e[u].geometry._coordinates[r][0],e[u].geometry._coordinates[r][1],i,0,2*Math.PI,!0),t.closePath(),e[u]._index++,e[u]._index>=e[u].geometry._coordinates.length&&(e[u]._index=0),t.lineWidth=l.lineWidth||1,a=e[u].strokeStyle||l.strokeStyle,s=e[u].fillStyle||l.fillStyle||"yellow",t.fillStyle=s,t.fill(),a&&(t.strokeStyle=a,t.stroke()))}t.restore()}}},{key:"animate",value:function(){this.drawAnimation();var t=this.options.animateTime||100;this.timeout=setTimeout(this.animate.bind(this),t)}},{key:"start",value:function(){this.stop(),this.animate()}},{key:"stop",value:function(){clearTimeout(this.timeout)}},{key:"unbindEvent",value:function(){}},{key:"hide",value:function(){this.canvasLayer.hide(),this.stop()}},{key:"show",value:function(){this.start()}}]),xt),ft=function(t,e,n){return e&&mt(t.prototype,e),n&&mt(t,n),t},dt=(function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+_typeof(e));t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(yt,ct),ft(yt,[{key:"clickEvent",value:function(t){var e=t.pixel;ht(yt.prototype.__proto__||Object.getPrototypeOf(yt.prototype),"clickEvent",this).call(this,e,t)}},{key:"mousemoveEvent",value:function(t){var e=t.pixel;ht(yt.prototype.__proto__||Object.getPrototypeOf(yt.prototype),"mousemoveEvent",this).call(this,e,t)}},{key:"bindEvent",value:function(){var t=this.map;this.options.methods&&(this.options.methods.click&&(t.setDefaultCursor("default"),t.addEventListener("click",this.clickEvent)),this.options.methods.mousemove&&t.addEventListener("mousemove",this.mousemoveEvent))}},{key:"unbindEvent",value:function(){var t=this.map;this.options.methods&&(this.options.methods.click&&t.removeEventListener("click",this.clickEvent),this.options.methods.mousemove&&t.removeEventListener("mousemove",this.mousemoveEvent))}},{key:"transferToMercator",value:function(){var t,n=this.map.getMapType().getProjection();"bd09mc"!==this.options.coordType&&(t=this.dataSet.get(),t=this.dataSet.transferCoordinate(t,function(t){var e=n.lngLatToPoint({lng:t[0],lat:t[1]});return[e.x,e.y]},"coordinates","coordinates_mercator"),this.dataSet._set(t))}},{key:"getContext",value:function(){return this.canvasLayer.canvas.getContext(this.context)}},{key:"_canvasUpdate",value:function(n){if(this.canvasLayer){var e,t,i,o,r=this,a=r.options.animation,s=this.canvasLayer._map,l=Math.pow(2,18-s.getZoom()),u=s.getMapType().getProjection().lngLatToPoint(s.getCenter()),h=new BMap.Pixel(u.x-s.getSize().width/2*l,u.y+s.getSize().height/2*l),c=this.getContext();if(r.isEnabledTime()){if(void 0===n)return void R(c);"2d"==this.context&&(c.save(),c.globalCompositeOperation="destination-out",c.fillStyle="rgba(0, 0, 0, .1)",c.fillRect(0,0,c.canvas.width,c.canvas.height),c.restore())}else R(c);if("2d"==this.context)for(var g in r.options)c[g]=r.options[g];else c.clear(c.COLOR_BUFFER_BIT);r.options.minZoom&&s.getZoom()<r.options.minZoom||r.options.maxZoom&&s.getZoom()>r.options.maxZoom||(e=1,"2d"!=this.context&&(e=this.canvasLayer.devicePixelRatio),t={fromColumn:"bd09mc"==r.options.coordType?"coordinates":"coordinates_mercator",transferCoordinate:function(t){return[(t[0]-h.x)/l*e,(h.y-t[1])/l*e]}},void 0!==n&&(t.filter=function(t){var e=a.trails||10;return!!(n&&t.time>n-e&&t.time<n)}),i=r.dataSet.get(t),this.processData(i),o=s.pointToPixel(new BMap.Point(0,0)),"m"==r.options.unit?(r.options.size&&(r.options._size=r.options.size/l),r.options.width&&(r.options._width=r.options.width/l),r.options.height&&(r.options._height=r.options.height/l)):(r.options._size=r.options.size,r.options._height=r.options.height,r.options._width=r.options.width),this.drawContext(c,i,r.options,o),r.options.updateCallback&&r.options.updateCallback(n))}}},{key:"init",value:function(t){var e=this;e.options=t,this.initDataRange(t),this.context=e.options.context||"2d",e.options.zIndex&&this.canvasLayer&&this.canvasLayer.setZIndex(e.options.zIndex),e.options.max&&this.intensity.setMax(e.options.max),e.options.min&&this.intensity.setMin(e.options.min),this.initAnimator()}},{key:"addAnimatorEvent",value:function(){this.map.addEventListener("movestart",this.animatorMovestartEvent.bind(this)),this.map.addEventListener("moveend",this.animatorMoveendEvent.bind(this))}},{key:"show",value:function(){this.map.addOverlay(this.canvasLayer)}},{key:"hide",value:function(){this.map.removeOverlay(this.canvasLayer)}},{key:"draw",value:function(){this.canvasLayer.draw()}}]),yt),vt="undefined"==typeof window?{}:window;function yt(t,e,n){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,yt);var i=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=_typeof(e)&&"function"!=typeof e?t:e}(this,(yt.__proto__||Object.getPrototypeOf(yt)).call(this,t,e,n)),o=i;n=n||{},o.init(n),o.argCheck(n),o.transferToMercator();var r=i.canvasLayer=new k({map:t,context:i.context,paneName:n.paneName,mixBlendMode:n.mixBlendMode,enableMassClear:n.enableMassClear,zIndex:n.zIndex,update:function(){o._canvasUpdate()}});return e.on("change",function(){o.transferToMercator(),r.draw()}),i.clickEvent=i.clickEvent.bind(i),i.mousemoveEvent=i.mousemoveEvent.bind(i),i.bindEvent(),i}function mt(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function xt(t,e,n){!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,xt);var i=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=_typeof(e)&&"function"!=typeof e?t:e}(this,(xt.__proto__||Object.getPrototypeOf(xt)).call(this,t,e,n));i.map=t,i.options=n||{},i.dataSet=e,i.init(n);var o=new k({map:t,update:i._canvasUpdate.bind(i)});i.canvasLayer=o,i.transferToMercator();var r=i;return e.on("change",function(){r.transferToMercator(),o.draw()}),i.ctx=o.canvas.getContext("2d"),i.start(),i}function wt(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function _t(t,e,n){(function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")})(this,_t),e instanceof O||(e=new O(e)),this.dataSet=e,this.map=t}vt.google&&vt.google.maps&&(z.prototype=new google.maps.OverlayView,z.DEFAULT_PANE_NAME_="overlayLayer",z.CSS_TRANSFORM_=function(){for(var t=document.createElement("div"),e=["transform","WebkitTransform","MozTransform","OTransform","msTransform"],n=0;n<e.length;n++){var i=e[n];if(void 0!==t.style[i])return i}return e[0]}(),z.prototype.requestAnimFrame_=vt.requestAnimationFrame||vt.webkitRequestAnimationFrame||vt.mozRequestAnimationFrame||vt.oRequestAnimationFrame||vt.msRequestAnimationFrame||function(t){return vt.setTimeout(t,1e3/60)},z.prototype.cancelAnimFrame_=vt.cancelAnimationFrame||vt.webkitCancelAnimationFrame||vt.mozCancelAnimationFrame||vt.oCancelAnimationFrame||vt.msCancelAnimationFrame||function(t){},z.prototype.setOptions=function(t){void 0!==t.animate&&this.setAnimate(t.animate),void 0!==t.paneName&&this.setPaneName(t.paneName),void 0!==t.updateHandler&&this.setUpdateHandler(t.updateHandler),void 0!==t.resizeHandler&&this.setResizeHandler(t.resizeHandler),void 0!==t.resolutionScale&&this.setResolutionScale(t.resolutionScale),void 0!==t.map&&this.setMap(t.map)},z.prototype.setAnimate=function(t){this.isAnimated_=!!t,this.isAnimated_&&this.scheduleUpdate()},z.prototype.isAnimated=function(){return this.isAnimated_},z.prototype.setPaneName=function(t){this.paneName_=t,this.setPane_()},z.prototype.getPaneName=function(){return this.paneName_},z.prototype.setPane_=function(){if(this.isAdded_){var t=this.getPanes();if(!t[this.paneName_])throw new Error('"'+this.paneName_+'" is not a valid MapPane name.');t[this.paneName_].appendChild(this.canvas)}},z.prototype.setResizeHandler=function(t){this.resizeHandler_=t},z.prototype.setResolutionScale=function(t){"number"==typeof t&&(this.resolutionScale_=t,this.resize_())},z.prototype.setUpdateHandler=function(t){this.updateHandler_=t},z.prototype.onAdd=function(){this.isAdded_||(this.isAdded_=!0,this.setPane_(),this.resizeListener_=google.maps.event.addListener(this.getMap(),"resize",this.resizeFunction_),this.centerListener_=google.maps.event.addListener(this.getMap(),"center_changed",this.repositionFunction_),this.resize_(),this.repositionCanvas_())},z.prototype.onRemove=function(){this.isAdded_&&(this.isAdded_=!1,this.topLeft_=null,this.canvas.parentElement.removeChild(this.canvas),this.centerListener_&&(google.maps.event.removeListener(this.centerListener_),this.centerListener_=null),this.resizeListener_&&(google.maps.event.removeListener(this.resizeListener_),this.resizeListener_=null),this.requestAnimationFrameId_&&(this.cancelAnimFrame_.call(vt,this.requestAnimationFrameId_),this.requestAnimationFrameId_=null))},z.prototype.resize_=function(){var t,e,n,i,o,r,a;this.isAdded_&&(e=(t=this.getMap()).getDiv().offsetWidth,n=t.getDiv().offsetHeight,i=e*this.resolutionScale_,o=n*this.resolutionScale_,r=this.canvas.width,a=this.canvas.height,r===i&&a===o||(this.canvas.width=i,this.canvas.height=o,this.needsResize_=!0,this.scheduleUpdate()),this.canvasCssWidth_===e&&this.canvasCssHeight_===n||(this.canvasCssWidth_=e,this.canvasCssHeight_=n,this.canvas.style.width=e+"px",this.canvas.style.height=n+"px"))},z.prototype.draw=function(){this.repositionCanvas_()},z.prototype.repositionCanvas_=function(){var t=this.getMap(),e=t.getBounds().getNorthEast().lat(),n=t.getCenter(),i=Math.pow(2,t.getZoom()),o=n.lng()-180*this.canvasCssWidth_/(256*i);this.topLeft_=new google.maps.LatLng(e,o);var r=this.getProjection().fromLatLngToDivPixel(n),a=-Math.round(this.canvasCssWidth_/2-r.x),s=-Math.round(this.canvasCssHeight_/2-r.y);this.canvas.style[z.CSS_TRANSFORM_]="translate("+a+"px,"+s+"px)",this.scheduleUpdate()},z.prototype.update_=function(){this.requestAnimationFrameId_=null,this.isAdded_&&(this.isAnimated_&&this.scheduleUpdate(),this.needsResize_&&this.resizeHandler_&&(this.needsResize_=!1,this.resizeHandler_()),this.updateHandler_&&this.updateHandler_())},z.prototype.getTopLeft=function(){return this.topLeft_},z.prototype.scheduleUpdate=function(){this.isAdded_&&!this.requestAnimationFrameId_&&(this.requestAnimationFrameId_=this.requestAnimFrame_.call(vt,this.requestUpdateFunction_))});function bt(t,e,n){null===t&&(t=Function.prototype);var i=Object.getOwnPropertyDescriptor(t,e);if(void 0===i){var o=Object.getPrototypeOf(t);return null===o?void 0:bt(o,e,n)}if("value"in i)return i.value;var r=i.get;return void 0!==r?r.call(n):void 0}var St=function(t,e,n){return e&&Lt(t.prototype,e),n&&Lt(t,n),t},Mt=(function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+_typeof(e));t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}(At,ct),St(At,[{key:"clickEvent",value:function(t){var e=t.pixel;bt(At.prototype.__proto__||Object.getPrototypeOf(At.prototype),"clickEvent",this).call(this,e,t)}},{key:"mousemoveEvent",value:function(t){var e=t.pixel;bt(At.prototype.__proto__||Object.getPrototypeOf(At.prototype),"mousemoveEvent",this).call(this,e,t)}},{key:"bindEvent",value:function(){var t=this.map;this.options.methods&&(this.options.methods.click&&(t.setDefaultCursor("default"),t.addListener("click",this.clickEvent)),this.options.methods.mousemove&&t.addListener("mousemove",this.mousemoveEvent))}},{key:"unbindEvent",value:function(){var t=this.map;this.options.methods&&(this.options.methods.click&&t.removeListener("click",this.clickEvent),this.options.methods.mousemove&&t.removeListener("mousemove",this.mousemoveEvent))}},{key:"getContext",value:function(){return this.canvasLayer.canvas.getContext(this.context)}},{key:"_canvasUpdate",value:function(n){if(this.canvasLayer){var t,o,r,a,e,i,s,l,u,h=this,c=h.options.animation,g=this.getContext();if(h.isEnabledTime()){if(void 0===n)return void R(g);"2d"==this.context&&(g.save(),g.globalCompositeOperation="destination-out",g.fillStyle="rgba(0, 0, 0, .1)",g.fillRect(0,0,g.canvas.width,g.canvas.height),g.restore())}else R(g);if("2d"==this.context)for(var p in h.options)g[p]=h.options[p];else g.clear(g.COLOR_BUFFER_BIT);h.options.minZoom&&t.getZoom()<h.options.minZoom||h.options.maxZoom&&t.getZoom()>h.options.maxZoom||(r=1,"2d"!=this.context&&(r=this.canvasLayer.devicePixelRatio),t=this.map,o=t.getProjection(),r=Math.pow(2,t.zoom)*resolutionScale,a=o.fromLatLngToPoint(this.canvasLayer.getTopLeft()),e={transferCoordinate:function(t){var e=new google.maps.LatLng(t[1],t[0]),n=o.fromLatLngToPoint(e),i={x:(n.x-a.x)*r,y:(n.y-a.y)*r};return[i.x,i.y]}},void 0!==n&&(e.filter=function(t){var e=c.trails||10;return!!(n&&t.time>n-e&&t.time<n)}),i=h.dataSet.get(e),this.processData(i),s=new google.maps.LatLng(0,0),u={x:((l=o.fromLatLngToPoint(s)).x-a.x)*r,y:(l.y-a.y)*r},"m"==h.options.unit&&h.options.size?h.options._size=h.options.size/zoomUnit:h.options._size=h.options.size,this.drawContext(g,new O(i),h.options,u),h.options.updateCallback&&h.options.updateCallback(n))}}},{key:"init",value:function(t){this.options=t,this.initDataRange(t),this.context=this.options.context||"2d",this.options.zIndex&&this.canvasLayer&&this.canvasLayer.setZIndex(this.options.zIndex),this.initAnimator()}},{key:"addAnimatorEvent",value:function(){this.map.addListener("movestart",this.animatorMovestartEvent.bind(this)),this.map.addListener("moveend",this.animatorMoveendEvent.bind(this))}},{key:"show",value:function(){this.map.addOverlay(this.canvasLayer)}},{key:"hide",value:function(){this.map.removeOverlay(this.canvasLayer)}},{key:"draw",value:function(){self.canvasLayer.draw()}}]),At),Pt={getDataSet:function(t){for(var e=[],n=t.features,i=0;i<n.length;i++){var o,r=n[i],a=r.geometry,s=r.properties,l={};for(o in s)l[o]=s[o];l.geometry=a,e.push(l)}return new O(e)}},Ct={CSVToArray:function(t,e){e=e||",";for(var n=new 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