9 lines
76 KiB
Vue
9 lines
76 KiB
Vue
/*!
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* Copyright (c) 2016, Baidu, Inc. All rights reserved.
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* mapv.(http://mapv.baidu.com)
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* github: https://github.com/huiyan-fe/mapv
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* license: BSD 3-clause "New" or "Revised"
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* version: 2.0.20
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*/
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.mapv=t.mapv||{})}(this,function(t){"use strict";var e=function(t){t&&t.clearRect&&t.clearRect(0,0,t.canvas.width,t.canvas.height)};function n(){this._subscribers={}}n.prototype.on=function(t,e){var n=this._subscribers[t];n||(n=[],this._subscribers[t]=n),n.push({callback:e})},n.prototype.off=function(t,e){var n=this._subscribers[t];if(n)for(var i=0;i<n.length;i++)n[i].callback==e&&(n.splice(i,1),i--)},n.prototype._trigger=function(t,e,n){if("*"==t)throw new Error("Cannot trigger event *");var i=[];t in this._subscribers&&(i=i.concat(this._subscribers[t])),"*"in this._subscribers&&(i=i.concat(this._subscribers["*"]));for(var o=0,a=i.length;o<a;o++){var r=i[o];r.callback&&r.callback(t,e,n||null)}};var 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--t*t)},InOut:function(t){return(t*=2)<1?-.5*(Math.sqrt(1-t*t)-1):.5*(Math.sqrt(1-(t-=2)*t)+1)}},Elastic:{In:function(t){return 0===t?0:1===t?1:-Math.pow(2,10*(t-1))*Math.sin(5*(t-1.1)*Math.PI)},Out:function(t){return 0===t?0:1===t?1:Math.pow(2,-10*t)*Math.sin(5*(t-.1)*Math.PI)+1},InOut:function(t){return 0===t?0:1===t?1:(t*=2)<1?-.5*Math.pow(2,10*(t-1))*Math.sin(5*(t-1.1)*Math.PI):.5*Math.pow(2,-10*(t-1))*Math.sin(5*(t-1.1)*Math.PI)+1}},Back:{In:function(t){return t*t*(2.70158*t-1.70158)},Out:function(t){return--t*t*(2.70158*t+1.70158)+1},InOut:function(t){var e=2.5949095;return(t*=2)<1?t*t*((e+1)*t-e)*.5:.5*((t-=2)*t*((e+1)*t+e)+2)}},Bounce:{In:function(t){return 1-ct.Easing.Bounce.Out(1-t)},Out:function(t){return t<1/2.75?7.5625*t*t:t<2/2.75?7.5625*(t-=1.5/2.75)*t+.75:t<2.5/2.75?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375},InOut:function(t){return t<.5?.5*ct.Easing.Bounce.In(2*t):.5*ct.Easing.Bounce.Out(2*t-1)+.5}}},ct.Interpolation={Linear:function(t,e){var n=t.length-1,i=n*e,o=Math.floor(i),a=ct.Interpolation.Utils.Linear;return e<0?a(t[0],t[1],i):e>1?a(t[n],t[n-1],n-i):a(t[o],t[o+1>n?n:o+1],i-o)},Bezier:function(t,e){for(var n=0,i=t.length-1,o=Math.pow,a=ct.Interpolation.Utils.Bernstein,r=0;r<=i;r++)n+=o(1-e,i-r)*o(e,r)*t[r]*a(i,r);return n},CatmullRom:function(t,e){var n=t.length-1,i=n*e,o=Math.floor(i),a=ct.Interpolation.Utils.CatmullRom;return t[0]===t[n]?(e<0&&(o=Math.floor(i=n*(1+e))),a(t[(o-1+n)%n],t[o],t[(o+1)%n],t[(o+2)%n],i-o)):e<0?t[0]-(a(t[0],t[0],t[1],t[1],-i)-t[0]):e>1?t[n]-(a(t[n],t[n],t[n-1],t[n-1],i-n)-t[n]):a(t[o?o-1:0],t[o],t[n<o+1?n:o+1],t[n<o+2?n:o+2],i-o)},Utils:{Linear:function(t,e,n){return(e-t)*n+t},Bernstein:function(t,e){var n=ct.Interpolation.Utils.Factorial;return n(t)/n(e)/n(t-e)},Factorial:(gt=[1],function(t){var e=1;if(gt[t])return gt[t];for(var n=t;n>1;n--)e*=n;return gt[t]=e,e}),CatmullRom:function(t,e,n,i,o){var a=.5*(n-t),r=.5*(i-e),s=o*o;return(2*e-2*n+a+r)*(o*s)+(-3*e+3*n-2*a-r)*s+a*o+e}}};var pt=function(t,e,n){var i=e instanceof g?e.get():e;t.save();for(var o in n)t[o]=n[o];var a=n.offset||{x:0,y:0},r=[],s=n._size||n.size;s?t.font="bold "+s+"px Arial":s=12;var l=n.textKey||"text";if(n.textAlign||(t.textAlign="center"),n.textBaseline||(t.textBaseline="middle"),n.avoid)for(var h=0,u=i.length;h<u;h++){var c=(x=i[h].geometry._coordinates||i[h].geometry.coordinates)[0]+a.x,p=x[1]+a.y,f=i[h][l],v=t.measureText(f).width,d=c-v/2,y=p-s/2,m={sw:{x:d,y:y+s},ne:{x:d+v,y:y}};ft(r,m)||(r.push(m),d+=v/2,y+=s/2,t.fillText(f,d,y))}else for(h=0,u=i.length;h<u;h++){var x;c=(x=i[h].geometry._coordinates||i[h].geometry.coordinates)[0]+a.x,p=x[1]+a.y,f=i[h][l];t.fillText(f,c,p)}t.restore()};function ft(t,e){for(var n=0;n<t.length;n++)if(vt(t[n],e))return!0;return!1}function vt(t,e){var n=Math.min(t.ne.x,e.ne.x),i=Math.min(t.sw.y,e.sw.y),o=Math.max(t.sw.x,e.sw.x),a=Math.max(t.ne.y,e.ne.y);return n>o&&i>a}var dt=function(t,e,n){var i=e instanceof g?e.get():e;t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var o=n.offset||{x:0,y:0},a=0,r=i.length;a<r;a++)if(i[a].geometry){var s=i[a].deg||n.deg,l=i[a].icon||n.icon,h=i[a].geometry._coordinates||i[a].geometry.coordinates,u=h[0],c=h[1];s&&(t.save(),t.translate(u,c),t.rotate(s*Math.PI/180),t.translate(-u,-c));var p=n._width||n.width||l.width,f=n._height||n.height||l.height;u=u-p/2+o.x,c=c-f/2+o.y,n.sx&&n.sy&&n.swidth&&n.sheight&&n.width&&n.height?t.drawImage(l,n.sx,n.sy,n.swidth,n.sheight,u,c,p,f):n.width&&n.height?t.drawImage(l,u,c,p,f):t.drawImage(l,u,c),s&&t.restore()}};"undefined"!=typeof window&&requestAnimationFrame(function t(e){requestAnimationFrame(t);ct.update(e)});var yt=function(){function t(e,n,i){r(this,t),n instanceof g||(n=new g(n)),this.dataSet=n,this.map=e}return s(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(t){var e=this;if(e.intensity=new v({maxSize:e.options.maxSize,minSize:e.options.minSize,gradient:e.options.gradient,max:e.options.max||this.dataSet.getMax("count")}),e.category=new at(e.options.splitList),e.choropleth=new rt(e.options.splitList),void 0===e.options.splitList&&e.category.generateByDataSet(this.dataSet,e.options.color),void 0===e.options.splitList){var n=e.options.min||this.dataSet.getMin("count"),i=e.options.max||this.dataSet.getMax("count");e.choropleth.generateByMinMax(n,i)}}},{key:"getLegend",value:function(t){this.options.draw;return"intensity"==this.options.draw||"heatmap"==this.options.draw?this.intensity.getLegend(t):"category"==this.options.draw?this.category.getLegend(t):void 0}},{key:"processData",value:function(t){var e=this,n=e.options.draw;if("bubble"==n||"intensity"==n||"category"==n||"choropleth"==n||"simple"==n)for(var i=0;i<t.length;i++){var o=t[i];"bubble"==e.options.draw?t[i]._size=e.intensity.getSize(o.count):t[i]._size=void 0;var a="_fillStyle";"LineString"!==t[i].geometry.type&&"stroke"!==e.options.styleType||(a="_strokeStyle"),"intensity"==e.options.draw?t[i][a]=e.intensity.getColor(o.count):"category"==e.options.draw?t[i][a]=e.category.get(o.count):"choropleth"==e.options.draw&&(t[i][a]=e.choropleth.get(o.count))}}},{key:"isEnabledTime",value:function(){var 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,n,i,o){var a=this;switch(a.options.draw){case"heatmap":m.draw(t,n,a.options);break;case"grid":case"honeycomb":a.options.offset={x:o.x,y:o.y},"grid"==a.options.draw?x.draw(t,n,a.options):_.draw(t,n,a.options);break;case"text":pt(t,n,a.options);break;case"icon":dt(t,n,a.options);break;case"clip":t.save(),t.fillStyle=a.options.fillStyle||"rgba(0, 0, 0, 0.5)",t.fillRect(0,0,t.canvas.width,t.canvas.height),p.draw(t,n,a.options),t.beginPath(),c.drawDataSet(t,n,a.options),t.clip(),e(t),t.restore();break;default:"webgl"==a.options.context?nt.draw(a.canvasLayer.canvas.getContext("webgl"),n,a.options):p.draw(t,n,a.options)}}},{key:"isPointInPath",value:function(t,e){t=this.canvasLayer.canvas.getContext(this.context);for(var n=this.dataSet.get(),i=0;i<n.length;i++){t.beginPath(),c.draw(t,n[i],this.options);var o=e.x*this.canvasLayer.devicePixelRatio,a=e.y*this.canvasLayer.devicePixelRatio;if(t.isPointInPath(o,a)||t.isPointInStroke(o,a))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=t.options,i=this.options;for(var o in n)i[o]=n[o];this.init(i),!1!==e&&this.draw()}},{key:"setOptions",value:function(t){this.dataSet.reset(),this.init(t),this.draw()}},{key:"set",value:function(t){var e=this.getContext(),n=this.getDefaultContextConfig();for(var i in n)e[i]=n[i];this.init(t.options),this.draw()}},{key:"destroy",value:function(){this.unbindEvent(),this.hide()}},{key:"initAnimator",value:function(){var t=this,e=t.options.animation;if("time"==t.options.draw||t.isEnabledTime()){e.stepsRange||(e.stepsRange={start:this.dataSet.getMin("time")||0,end:this.dataSet.getMax("time")||0}),this.steps={step:e.stepsRange.start},t.animator=new ct.Tween(this.steps).onUpdate(function(){t._canvasUpdate(this.step)}).repeat(1/0),this.addAnimatorEvent();var n=1e3*e.duration||5e3;t.animator.to({step:e.stepsRange.end},n),t.animator.start()}else t.animator&&t.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}(),mt=function(t){function n(t,e,i){r(this,n);var o=u(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,t,e,i));o.map=t,o.options=i||{},o.dataSet=e;var a=new lt({map:t,zIndex:o.options.zIndex,update:o._canvasUpdate.bind(o)});o.init(o.options),o.canvasLayer=a,o.transferToMercator();var s=o;return e.on("change",function(){s.transferToMercator(),a.draw()}),o.ctx=a.canvas.getContext("2d"),o.start(),o}return h(n,yt),s(n,[{key:"draw",value:function(){this.canvasLayer.draw()}},{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=this.map.getMapType().getProjection();if("bd09mc"!==this.options.coordType){var e=this.dataSet.get();e=this.dataSet.transferCoordinate(e,function(e){var n=t.lngLatToPoint({lng:e[0],lat:e[1]});return[n.x,n.y]},"coordinates","coordinates_mercator"),this.dataSet._set(e)}}},{key:"_canvasUpdate",value:function(){var t=this.ctx;if(t){var n=this.map,i=Math.pow(2,18-n.getZoom()),o=n.getMapType().getProjection().lngLatToPoint(n.getCenter()),a=new BMap.Pixel(o.x-n.getSize().width/2*i,o.y+n.getSize().height/2*i);e(t);var r={fromColumn:"bd09mc"==this.options.coordType?"coordinates":"coordinates_mercator",transferCoordinate:function(t){if(t)return[(t[0]-a.x)/i,(a.y-t[1])/i]}};this.data=this.dataSet.get(r),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, .1)",t.fillRect(0,0,t.canvas.width,t.canvas.height),t.restore(),t.save(),this.options.shadowColor&&(t.shadowColor=this.options.shadowColor),this.options.shadowBlur&&(t.shadowBlur=this.options.shadowBlur),this.options.globalAlpha&&(t.globalAlpha=this.options.globalAlpha),this.options.globalCompositeOperation&&(t.globalCompositeOperation=this.options.globalCompositeOperation);for(var n=this.options,i=0;i<e.length;i++)if("Point"===e[i].geometry.type){t.beginPath();var o=e[i].size||this.options.size,a=e[i].minSize||this.options.minSize||0;void 0===e[i]._size&&(e[i]._size=a),t.arc(e[i].geometry._coordinates[0],e[i].geometry._coordinates[1],e[i]._size,0,2*Math.PI,!0),t.closePath(),e[i]._size++,e[i]._size>o&&(e[i]._size=a),t.lineWidth=1,t.strokeStyle=e[i].strokeStyle||e[i]._strokeStyle||n.strokeStyle||"yellow",t.stroke(),(h=e[i].fillStyle||e[i]._fillStyle||n.fillStyle)&&(t.fillStyle=h,t.fill())}else if("LineString"===e[i].geometry.type){t.beginPath();var r=e[i].size||this.options.size||5;a=e[i].minSize||this.options.minSize||0;void 0===e[i]._index&&(e[i]._index=0);var s=e[i]._index;t.arc(e[i].geometry._coordinates[s][0],e[i].geometry._coordinates[s][1],r,0,2*Math.PI,!0),t.closePath(),e[i]._index++,e[i]._index>=e[i].geometry._coordinates.length&&(e[i]._index=0);var l=e[i].strokeStyle||n.strokeStyle,h=e[i].fillStyle||n.fillStyle||"yellow";t.fillStyle=h,t.fill(),l&&n.lineWidth&&(t.lineWidth=n.lineWidth||1,t.strokeStyle=l,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()}}]),n}(),xt=function(t){function n(t,e,i){r(this,n);var o=u(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,t,e,i)),a=o;i=i||{},o.clickEvent=o.clickEvent.bind(o),o.mousemoveEvent=o.mousemoveEvent.bind(o),a.init(i),a.argCheck(i),a.transferToMercator();var s=o.canvasLayer=new lt({map:t,context:o.context,paneName:i.paneName,mixBlendMode:i.mixBlendMode,enableMassClear:i.enableMassClear,zIndex:i.zIndex,update:function(){a._canvasUpdate()}});return e.on("change",function(){a.transferToMercator(),s.draw()}),o}return h(n,yt),s(n,[{key:"clickEvent",value:function(t){var e=t.pixel;l(n.prototype.__proto__||Object.getPrototypeOf(n.prototype),"clickEvent",this).call(this,e,t)}},{key:"mousemoveEvent",value:function(t){var e=t.pixel;l(n.prototype.__proto__||Object.getPrototypeOf(n.prototype),"mousemoveEvent",this).call(this,e,t)}},{key:"bindEvent",value:function(t){this.unbindEvent();var e=this.map;this.options.methods&&(this.options.methods.click&&(e.setDefaultCursor("default"),e.addEventListener("click",this.clickEvent)),this.options.methods.mousemove&&e.addEventListener("mousemove",this.mousemoveEvent))}},{key:"unbindEvent",value:function(t){var e=this.map;this.options.methods&&(this.options.methods.click&&e.removeEventListener("click",this.clickEvent),this.options.methods.mousemove&&e.removeEventListener("mousemove",this.mousemoveEvent))}},{key:"transferToMercator",value:function(){var t=this.map.getMapType().getProjection();if("bd09mc"!==this.options.coordType){var e=this.dataSet.get();e=this.dataSet.transferCoordinate(e,function(e){var n=t.lngLatToPoint({lng:e[0],lat:e[1]});return[n.x,n.y]},"coordinates","coordinates_mercator"),this.dataSet._set(e)}}},{key:"getContext",value:function(){return this.canvasLayer.canvas.getContext(this.context)}},{key:"_canvasUpdate",value:function(t){if(this.canvasLayer){var n=this,i=n.options.animation,o=this.canvasLayer._map,a=Math.pow(2,18-o.getZoom()),r=o.getMapType().getProjection().lngLatToPoint(o.getCenter()),s=new BMap.Pixel(r.x-o.getSize().width/2*a,r.y+o.getSize().height/2*a),l=this.getContext();if(n.isEnabledTime()){if(void 0===t)return void e(l);"2d"==this.context&&(l.save(),l.globalCompositeOperation="destination-out",l.fillStyle="rgba(0, 0, 0, .1)",l.fillRect(0,0,l.canvas.width,l.canvas.height),l.restore())}else e(l);if("2d"==this.context)for(var h in n.options)l[h]=n.options[h];else l.clear(l.COLOR_BUFFER_BIT);if(!(n.options.minZoom&&o.getZoom()<n.options.minZoom||n.options.maxZoom&&o.getZoom()>n.options.maxZoom)){var u=1;"2d"!=this.context&&(u=this.canvasLayer.devicePixelRatio);var g={fromColumn:"bd09mc"==n.options.coordType?"coordinates":"coordinates_mercator",transferCoordinate:function(t){return[(t[0]-s.x)/a*u,(s.y-t[1])/a*u]}};void 0!==t&&(g.filter=function(e){var n=i.trails||10;return!!(t&&e.time>t-n&&e.time<t)});var c=n.dataSet.get(g);this.processData(c);var p=o.pointToPixel(new BMap.Point(0,0));"m"==n.options.unit?(n.options.size&&(n.options._size=n.options.size/a),n.options.width&&(n.options._width=n.options.width/a),n.options.height&&(n.options._height=n.options.height/a)):(n.options._size=n.options.size,n.options._height=n.options.height,n.options._width=n.options.width),this.drawContext(l,c,n.options,p),n.options.updateCallback&&n.options.updateCallback(t)}}}},{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(),this.bindEvent()}},{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()}}]),n}();function _t(t){this.isAdded_=!1,this.isAnimated_=!1,this.paneName_=_t.DEFAULT_PANE_NAME_,this.updateHandler_=null,this.resizeHandler_=null,this.topLeft_=null,this.centerListener_=null,this.resizeListener_=null,this.needsResize_=!0,this.requestAnimationFrameId_=null;var e=document.createElement("canvas");function n(t,e){return function(){e.apply(t)}}e.style.position="absolute",e.style.top=0,e.style.left=0,e.style.pointerEvents="none",this.canvas=e,this.canvasCssWidth_=300,this.canvasCssHeight_=150,this.resolutionScale_=1,this.repositionFunction_=n(this,this.repositionCanvas_),this.resizeFunction_=n(this,this.resize_),this.requestUpdateFunction_=n(this,this.update_),t&&this.setOptions(t)}var wt="undefined"==typeof window?{}:window;wt.google&&wt.google.maps&&(_t.prototype=new google.maps.OverlayView,_t.DEFAULT_PANE_NAME_="overlayLayer",_t.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]}(),_t.prototype.requestAnimFrame_=wt.requestAnimationFrame||wt.webkitRequestAnimationFrame||wt.mozRequestAnimationFrame||wt.oRequestAnimationFrame||wt.msRequestAnimationFrame||function(t){return wt.setTimeout(t,1e3/60)},_t.prototype.cancelAnimFrame_=wt.cancelAnimationFrame||wt.webkitCancelAnimationFrame||wt.mozCancelAnimationFrame||wt.oCancelAnimationFrame||wt.msCancelAnimationFrame||function(t){},_t.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)},_t.prototype.setAnimate=function(t){this.isAnimated_=!!t,this.isAnimated_&&this.scheduleUpdate()},_t.prototype.isAnimated=function(){return this.isAnimated_},_t.prototype.setPaneName=function(t){this.paneName_=t,this.setPane_()},_t.prototype.getPaneName=function(){return this.paneName_},_t.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)}},_t.prototype.setResizeHandler=function(t){this.resizeHandler_=t},_t.prototype.setResolutionScale=function(t){"number"==typeof t&&(this.resolutionScale_=t,this.resize_())},_t.prototype.setUpdateHandler=function(t){this.updateHandler_=t},_t.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_())},_t.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(wt,this.requestAnimationFrameId_),this.requestAnimationFrameId_=null))},_t.prototype.resize_=function(){if(this.isAdded_){var t=this.getMap(),e=t.getDiv().offsetWidth,n=t.getDiv().offsetHeight,i=e*this.resolutionScale_,o=n*this.resolutionScale_,a=this.canvas.width,r=this.canvas.height;a===i&&r===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")}},_t.prototype.draw=function(){this.repositionCanvas_()},_t.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 a=this.getProjection().fromLatLngToDivPixel(n),r=-Math.round(this.canvasCssWidth_/2-a.x),s=-Math.round(this.canvasCssHeight_/2-a.y);this.canvas.style[_t.CSS_TRANSFORM_]="translate("+r+"px,"+s+"px)",this.scheduleUpdate()},_t.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_())},_t.prototype.getTopLeft=function(){return this.topLeft_},_t.prototype.scheduleUpdate=function(){this.isAdded_&&!this.requestAnimationFrameId_&&(this.requestAnimationFrameId_=this.requestAnimFrame_.call(wt,this.requestUpdateFunction_))});var bt=function(t){function n(t,e,i){r(this,n);var o=u(this,(n.__proto__||Object.getPrototypeOf(n)).call(this,t,e,i)),a=o;i=i||{},a.init(i),a.argCheck(i);var s={map:t,animate:!1,updateHandler:function(){a._canvasUpdate()},resolutionScale:resolutionScale};o.canvasLayer=new _t(s);return o.clickEvent=o.clickEvent.bind(o),o.mousemoveEvent=o.mousemoveEvent.bind(o),o.bindEvent(),o}return h(n,yt),s(n,[{key:"clickEvent",value:function(t){var e=t.pixel;l(n.prototype.__proto__||Object.getPrototypeOf(n.prototype),"clickEvent",this).call(this,e,t)}},{key:"mousemoveEvent",value:function(t){var e=t.pixel;l(n.prototype.__proto__||Object.getPrototypeOf(n.prototype),"mousemoveEvent",this).call(this,e,t)}},{key:"bindEvent",value:function(t){var e=this.map;this.options.methods&&(this.options.methods.click&&(e.setDefaultCursor("default"),e.addListener("click",this.clickEvent)),this.options.methods.mousemove&&e.addListener("mousemove",this.mousemoveEvent))}},{key:"unbindEvent",value:function(t){var e=this.map;this.options.methods&&(this.options.methods.click&&e.removeListener("click",this.clickEvent),this.options.methods.mousemove&&e.removeListener("mousemove",this.mousemoveEvent))}},{key:"getContext",value:function(){return this.canvasLayer.canvas.getContext(this.context)}},{key:"_canvasUpdate",value:function(t){if(this.canvasLayer){var n=this,i=n.options.animation,o=this.getContext();if(n.isEnabledTime()){if(void 0===t)return void e(o);"2d"==this.context&&(o.save(),o.globalCompositeOperation="destination-out",o.fillStyle="rgba(0, 0, 0, .1)",o.fillRect(0,0,o.canvas.width,o.canvas.height),o.restore())}else e(o);if("2d"==this.context)for(var a in n.options)o[a]=n.options[a];else o.clear(o.COLOR_BUFFER_BIT);if(!(n.options.minZoom&&s.getZoom()<n.options.minZoom||n.options.maxZoom&&s.getZoom()>n.options.maxZoom)){var r=1;"2d"!=this.context&&(r=this.canvasLayer.devicePixelRatio);var s=this.map,l=s.getProjection(),h=(r=Math.pow(2,s.zoom)*resolutionScale,l.fromLatLngToPoint(this.canvasLayer.getTopLeft())),u={transferCoordinate:function(t){var e=new google.maps.LatLng(t[1],t[0]),n=l.fromLatLngToPoint(e),i={x:(n.x-h.x)*r,y:(n.y-h.y)*r};return[i.x,i.y]}};void 0!==t&&(u.filter=function(e){var n=i.trails||10;return!!(t&&e.time>t-n&&e.time<t)});var c=n.dataSet.get(u);this.processData(c);var p=new google.maps.LatLng(0,0),f=l.fromLatLngToPoint(p),v={x:(f.x-h.x)*r,y:(f.y-h.y)*r};"m"==n.options.unit&&n.options.size?n.options._size=n.options.size/zoomUnit:n.options._size=n.options.size,this.drawContext(o,new g(c),n.options,v),n.options.updateCallback&&n.options.updateCallback(t)}}}},{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()}}]),n}(),St={getDataSet:function(t){for(var e=[],n=t.features,i=0;i<n.length;i++){var o=n[i],a=o.geometry,r=o.properties,s={};for(var l in r)s[l]=r[l];s.geometry=a,e.push(s)}return new g(e)}},Mt={CSVToArray:function(t,e){e=e||",";for(var n=new RegExp("(\\"+e+'|\\r?\\n|\\r|^)(?:"([^"]*(?:""[^"]*)*)"|([^"\\'+e+"\\r\\n]*))","gi"),i=[[]],o=null;o=n.exec(t);){var a,r=o[1];r.length&&r!==e&&i.push([]),a=o[2]?o[2].replace(new RegExp('""',"g"),'"'):o[3],i[i.length-1].push(a)}return i},getDataSet:function(t,e){for(var n=this.CSVToArray(t,e||","),i=[],o=n[0],a=1;a<n.length-1;a++){for(var r=n[a],s={},l=0;l<r.length;l++){var h=r[l];"geometry"==o[l]&&(h=JSON.parse(h)),s[o[l]]=h}i.push(s)}return new g(i)}};t.version="2.0.20",t.canvasClear=e,t.canvasResolutionScale=function(t){var e=window.devicePixelRatio||1;t.canvas.width=t.canvas.width*e,t.canvas.height=t.canvas.height*e,t.canvas.style.width=t.canvas.width/e+"px",t.canvas.style.height=t.canvas.height/e+"px",t.scale(e,e)},t.canvasDrawSimple=p,t.canvasDrawHeatmap=m,t.canvasDrawGrid=x,t.canvasDrawHoneycomb=_,t.webglDrawSimple=nt,t.webglDrawPoint=E,t.webglDrawLine=A,t.webglDrawPolygon=et,t.utilCityCenter=a,t.utilCurve=ot,t.utilForceEdgeBundling=function(){var t={},e=[],n=[],i=[],o=.1,a=.1,r=1,s=2,l=6,h=70,u=.6666667,g=.6,c=1e-8;function p(e){return{x:t[e.target].x-t[e.source].x,y:t[e.target].y-t[e.source].y}}function f(e){return Math.sqrt(Math.pow(t[e.source].x-t[e.target].x,2)+Math.pow(t[e.source].y-t[e.target].y,2))}function v(t){for(var e=0,n=1;n<i[t].length;n++)e+=d(i[t][n],i[t][n-1]);return e}function d(t,e){return Math.sqrt(Math.pow(t.x-e.x,2)+Math.pow(t.y-e.y,2))}function y(t,e){var n=Math.sqrt((e.target.x-e.source.x)*(e.target.x-e.source.x)+(e.target.y-e.source.y)*(e.target.y-e.source.y)),i=((e.source.y-t.y)*(e.source.y-e.target.y)-(e.source.x-t.x)*(e.target.x-e.source.x))/(n*n);return{x:e.source.x+i*(e.target.x-e.source.x),y:e.source.y+i*(e.target.y-e.source.y)}}function m(t,e,o){for(var a,r={x:0,y:0},s=n[t],l=0;l<s.length;l++){var h={x:i[s[l]][e].x-i[t][e].x,y:i[s[l]][e].y-i[t][e].y};if(Math.abs(h.x)>c||Math.abs(h.y)>c){var u=1/Math.pow((a={source:i[s[l]][e],target:i[t][e]},Math.sqrt(Math.pow(a.source.x-a.target.x,2)+Math.pow(a.source.y-a.target.y,2))),1);r.x+=h.x*u,r.y+=h.y*u}}return r}function x(t,n,a){for(var r,s,l,h,u,g,c,p,v=o/(f(e[t])*(n+1)),d=[{x:0,y:0}],y=1;y<n+1;y++){var x={x:0,y:0},_=(s=y,l=v,c=void 0,p=void 0,h=i[r=t][s-1],u=i[r][s+1],g=i[r][s],c=h.x-g.x+u.x-g.x,p=h.y-g.y+u.y-g.y,{x:c*=l,y:p*=l}),w=m(t,y);x.x=a*(_.x+w.x),x.y=a*(_.y+w.y),d.push(x)}return d.push({x:0,y:0}),d}function _(n){for(var o=0;o<e.length;o++)if(1==n)i[o].push(t[e[o].source]),i[o].push((p=e[o],{x:(t[p.source].x+t[p.target].x)/2,y:(t[p.source].y+t[p.target].y)/2})),i[o].push(t[e[o].target]);else{var a=v(o)/(n+1),r=a,s=[];s.push(t[e[o].source]);for(var l=1;l<i[o].length;l++){for(var h=d(i[o][l],i[o][l-1]);h>r;){var u=r/h,g=i[o][l-1].x,c=i[o][l-1].y;g+=u*(i[o][l].x-i[o][l-1].x),c+=u*(i[o][l].y-i[o][l-1].y),s.push({x:g,y:c}),h-=r,r=a}r-=h}s.push(t[e[o].target]),i[o]=s}var p}function w(e,n){var i=y(t[n.source],{source:t[e.source],target:t[e.target]}),o=y(t[n.target],{source:t[e.source],target:t[e.target]}),a={x:(i.x+o.x)/2,y:(i.y+o.y)/2},r={x:(t[e.source].x+t[e.target].x)/2,y:(t[e.source].y+t[e.target].y)/2};return Math.max(0,1-2*d(r,a)/d(i,o))}function b(e,n){var i,o,a,r,s,l,h,u,g,c,v,y;return g=e,c=n,Math.abs((v=p(g),y=p(c),(v.x*y.x+v.y*y.y)/(f(g)*f(c))))*(h=n,2/((u=(f(l=e)+f(h))/2)/Math.min(f(l),f(h))+Math.max(f(l),f(h))/u))*(r=n,(s=(f(a=e)+f(r))/2)/(s+d({x:(t[a.source].x+t[a.target].x)/2,y:(t[a.source].y+t[a.target].y)/2},{x:(t[r.source].x+t[r.target].x)/2,y:(t[r.source].y+t[r.target].y)/2})))*(i=e,o=n,Math.min(w(i,o),w(o,i)))}var S=function(){var o=a,s=h,c=r;!function(){for(var n=0;n<e.length;n++)1==r?i[n]=[]:(i[n]=[],i[n].push(t[e[n].source]),i[n].push(t[e[n].target]))}(),function(){for(var t=0;t<e.length;t++)n[t]=[]}(),_(c),function(){for(var t=0;t<e.length-1;t++)for(var i=t+1;i<e.length;i++)t!=i&&(o=e[t],a=e[i],b(o,a)>=g&&(n[t].push(i),n[i].push(t)));var o,a}();for(var p=0;p<l;p++){for(var f=0;f<s;f++){for(var v=[],d=0;d<e.length;d++)v[d]=x(d,c,o);for(var y=0;y<e.length;y++)for(var m=0;m<c+1;m++)i[y][m].x+=v[y][m].x,i[y][m].y+=v[y][m].y}o/=2,s*=u,_(c*=2)}return i};return S.nodes=function(e){return 0==arguments.length?t:(t=e,S)},S.edges=function(n){return 0==arguments.length?e:(e=function(e){for(var n=[],i=0;i<e.length;i++)t[e[i].source].x!=t[e[i].target].x&&t[e[i].source].y!=t[e[i].target].y&&n.push(e[i]);return n}(n),S)},S.bundling_stiffness=function(t){return 0==arguments.length?o:(o=t,S)},S.step_size=function(t){return 0==arguments.length?a:(a=t,S)},S.cycles=function(t){return 0==arguments.length?l:(l=t,S)},S.iterations=function(t){return 0==arguments.length?h:(h=t,S)},S.iterations_rate=function(t){return 0==arguments.length?u:(u=t,S)},S.subdivision_points_seed=function(t){return 0==arguments.length?P:(P=t,S)},S.subdivision_rate=function(t){return 0==arguments.length?s:(s=t,S)},S.compatbility_threshold=function(t){return 0==arguments.length?compatbility_threshold:(g=t,S)},S},t.utilDataRangeIntensity=v,t.utilDataRangeCategory=at,t.utilDataRangeChoropleth=rt,t.Map=st,t.baiduMapCanvasLayer=lt,t.baiduMapAnimationLayer=mt,t.baiduMapLayer=xt,t.googleMapCanvasLayer=_t,t.googleMapLayer=bt,t.DataSet=g,t.geojson=St,t.csv=Mt,Object.defineProperty(t,"__esModule",{value:!0})}); |