diff --git a/build/mapv.js b/build/mapv.js
index 487e3dc7..88c9462e 100644
--- a/build/mapv.js
+++ b/build/mapv.js
@@ -1026,6 +1026,48 @@
       }
   };
 
+  /**
+   * 获取当前列的最大值
+   */
+  DataSet.prototype.getMax = function (columnName) {
+      var data = this._data;
+
+      if (!data || data.length <= 0) {
+          return;
+      }
+
+      var max = data[0][columnName];
+
+      for (var i = 1; i < data.length; i++) {
+          if (data[i][columnName] > max) {
+              max = data[i][columnName];
+          }
+      }
+
+      return max;
+  };
+
+  /**
+   * 获取当前列的最小值
+   */
+  DataSet.prototype.getMin = function (columnName) {
+      var data = this._data;
+
+      if (!data || data.length <= 0) {
+          return;
+      }
+
+      var min = data[0][columnName];
+
+      for (var i = 1; i < data.length; i++) {
+          if (data[i][columnName] < min) {
+              min = data[i][columnName];
+          }
+      }
+
+      return min;
+  };
+
   var pathSimple = {
       drawDataSet: function drawDataSet(context, dataSet, options) {
 
@@ -1045,7 +1087,7 @@
                   var size = data._size || data.size || options._size || options.size || 5;
                   context.moveTo(data.x, data.y);
                   if (options.symbol === 'rect') {
-                      context.rect(coordinates[0], coordinates[1], size, size);
+                      context.rect(coordinates[0] - size / 2, coordinates[1] - size / 2, size, size);
                   } else {
                       context.arc(coordinates[0], coordinates[1], size, 0, Math.PI * 2);
                   }
@@ -1121,7 +1163,7 @@
 
                   context.fill();
 
-                  if (item.strokeStyle || options.strokeStyle) {
+                  if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
                       context.stroke();
                   }
               } else if (type == 'LineString') {
@@ -1154,7 +1196,7 @@
 
                       context.fill();
 
-                      if (item.strokeStyle || options.strokeStyle) {
+                      if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
                           context.stroke();
                       }
                   } else if (type == 'LineString') {
@@ -1368,14 +1410,14 @@
               });
 
               context.beginPath();
-              context.rect(gridKey[0] * size + .5 + offset.x, gridKey[1] * size + .5 + offset.y, size - 1, size - 1);
+              context.rect(gridKey[0] * size + .5 + offset.x, gridKey[1] * size + .5 + offset.y, size, size);
               context.fillStyle = intensity.getColor(grids[gridKey]);
               context.fill();
               if (options.showText) {
                   context.fillStyle = 'white';
-                  context.fillText(grids[gridKey], gridKey[0] * size + .5 + offset.x + size / 2 - 1, gridKey[1] * size + .5 + offset.y + size / 2 - 1);
+                  context.fillText(grids[gridKey], gridKey[0] * size + .5 + offset.x + size / 2, gridKey[1] * size + .5 + offset.y + size / 2);
               }
-              if (options.strokeStyle || options.lineWidth) {
+              if (options.strokeStyle && options.lineWidth) {
                   context.stroke();
               }
           }
@@ -1477,7 +1519,7 @@
 
               context.fillStyle = intensity.getColor(count);
               context.fill();
-              if (options.strokeStyle || options.lineWidth) {
+              if (options.strokeStyle && options.lineWidth) {
                   context.stroke();
               }
           }
@@ -2073,6 +2115,27 @@
       return value;
   };
 
+  /**
+   * 根据DataSet自动生成对应的splitList
+   */
+  Category.prototype.generateByDataSet = function (dataSet) {
+      var colors = ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
+      var data = dataSet.get();
+      this.splitList = {};
+      var count = 0;
+      for (var i = 0; i < data.length; i++) {
+          if (this.splitList[data[i].count] === undefined) {
+              this.splitList[data[i].count] = colors[count];
+              count++;
+          }
+          if (count >= colors.length - 1) {
+              break;
+          }
+      }
+
+      this.splitList['other'] = colors[colors.length - 1];
+  };
+
   /**
    * @author kyle / http://nikai.us/
    */
@@ -2118,6 +2181,37 @@
       return value;
   };
 
+  /**
+   * 根据DataSet自动生成对应的splitList
+   */
+  Choropleth.prototype.generateByDataSet = function (dataSet) {
+
+      var min = dataSet.getMin('count');
+      var max = dataSet.getMax('count');
+
+      this.generateByMinMax(min, max);
+  };
+
+  /**
+   * 根据DataSet自动生成对应的splitList
+   */
+  Choropleth.prototype.generateByMinMax = function (min, max) {
+      var colors = ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
+      var splitNum = (max - min) / 7;
+      var index = min;
+      this.splitList = [];
+      var count = 0;
+      while (index < max) {
+          this.splitList.push({
+              start: index,
+              end: index + splitNum,
+              value: colors[count]
+          });
+          count++;
+          index += splitNum;
+      }
+  };
+
   /**
    * Timer
    * @author kyle / http://nikai.us/
@@ -2235,7 +2329,12 @@
       this.options.maxDelta = 0.2;
       this.options.loop = options.loop === undefined ? true : options.loop;
 
-      this.steps(options.steps);
+      options.stepsRange = options.stepsRange || {
+          start: 0,
+          end: 100
+      };
+
+      this.steps(options.stepsRange.start || 0, options.stepsRange.end || 100);
       if (options.stepsRange && options.stepsRange.start !== undefined && options.stepsRange.end !== undefined) {
           this.stepsRange(options.stepsRange.start, options.stepsRange.end);
       }
@@ -2298,9 +2397,8 @@
           return this;
       },
 
-      steps: function steps(_) {
-          this.options.steps = _;
-          this._defaultStepsRange = new AnimatorStepsRange(0, _);
+      steps: function steps(start, end) {
+          this._defaultStepsRange = new AnimatorStepsRange(start, end);
           return this.rescale();
       },
 
@@ -2536,9 +2634,11 @@
               y: 0
           };
 
+          var textKey = options.textKey || 'text';
+
           for (var i = 0, len = data.length; i < len; i++) {
               var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
-              context.fillText(data[i].text, coordinates[0] + offset.x, coordinates[1] + offset.y);
+              context.fillText(data[i][textKey], coordinates[0] + offset.x, coordinates[1] + offset.y);
           };
       }
   };
@@ -2572,6 +2672,8 @@
           dataSet = new DataSet(dataSet);
       }
 
+      this.dataSet = dataSet;
+
       var self = this;
       var data = null;
       options = options || {};
@@ -2626,7 +2728,8 @@
                       context.beginPath();
                       pathSimple.draw(context, data[i], self.options);
                       if (context.isPointInPath(pixel.x * canvasLayer.devicePixelRatio, pixel.y * canvasLayer.devicePixelRatio)) {
-                          self.options.methods.click(data[i]);
+                          self.options.methods.click(data[i], e);
+                          return;
                       }
                   }
               });
@@ -2807,11 +2910,24 @@
       self.intensity = new Intensity({
           maxSize: self.options.maxSize,
           gradient: self.options.gradient,
-          max: self.options.max
+          max: self.options.max || this.dataSet.getMax('count')
       });
 
       self.category = new Category(self.options.splitList);
       self.choropleth = new Choropleth(self.options.splitList);
+      if (self.options.splitList === undefined) {
+          self.category.generateByDataSet(this.dataSet);
+      }
+
+      if (self.options.zIndex) {
+          this.canvasLayer && this.canvasLayer.setZIndex(self.options.zIndex);
+      }
+
+      if (self.options.splitList === undefined) {
+          var min = self.options.min || this.dataSet.getMin('count');
+          var max = self.options.max || this.dataSet.getMax('count');
+          self.choropleth.generateByMinMax(min, max);
+      }
   };
 
   Layer.prototype.show = function () {
diff --git a/build/mapv.min.js b/build/mapv.min.js
index cdae9733..405134c3 100644
--- a/build/mapv.min.js
+++ b/build/mapv.min.js
@@ -1,2 +1,2 @@
-!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";function e(){var t=document.createElement("canvas"),e=t.getContext("2d"),n=e.createLinearGradient(0,0,256,0);n.addColorStop(1,"#F00"),n.addColorStop(.6,"#FFFC00"),n.addColorStop(.3,"#00FF1D"),n.addColorStop(0,"#000BFF"),e.fillStyle=n,e.fillRect(0,0,256,1);var i=e.getImageData(0,0,256,1);return i.data}function n(t){t=t||{},this.gradient=t.gradient||{.25:"rgba(0, 0, 255, 1)",.55:"rgba(0, 255, 0, 1)",.85:"rgba(255, 255, 0, 1)",1:"rgba(255, 0, 0, 1)"},this.maxSize=t.maxSize||35,this.max=t.max||100,this.initPalette()}function i(t){function e(t){requestAnimationFrame(e),n.render()}this.container=t,this.init();var n=this;this.group=new THREE.Group,this.center=[105,33],requestAnimationFrame(e)}function a(t){function e(t){requestAnimationFrame(e),n.render()}this.container=t,this.init();var n=this;requestAnimationFrame(e)}function r(t){for(var e=V;e<j;++e){for(var n=N[e][0],i=N[e][1],a=N[e][2],r=N[e][3],g=.04*Math.random(),h=[],c=8,u=0;u<c+1;u++){var p=180*u/c,d=t+Math.sin(p*Math.PI/180)*g,f=o(n,i,a,r,u/c),m=s(f.lat,f.lng,d);h.push(new THREE.Vector3(m.x,m.y,m.z))}var v=new THREE.SplineCurve3(h);Z.push(v);var y=v.getLength();X.push(y),l(e)}}function o(t,e,n,i,a){t=t*Math.PI/180,e=e*Math.PI/180,n=n*Math.PI/180,i=i*Math.PI/180;var r=2*Math.asin(Math.sqrt(Math.pow(Math.sin((t-n)/2),2)+Math.cos(t)*Math.cos(n)*Math.pow(Math.sin((e-i)/2),2))),o=Math.sin((1-a)*r)/Math.sin(r),s=Math.sin(a*r)/Math.sin(r),g=o*Math.cos(t)*Math.cos(e)+s*Math.cos(n)*Math.cos(i),h=o*Math.cos(t)*Math.sin(e)+s*Math.cos(n)*Math.sin(i),c=o*Math.sin(t)+s*Math.sin(n),l=180*Math.atan2(c,Math.sqrt(Math.pow(g,2)+Math.pow(h,2)))/Math.PI,u=180*Math.atan2(h,g)/Math.PI;return{lat:l,lng:u}}function s(t,e,n){var i=(90-t)*Math.PI/180,a=(360-e)*Math.PI/180;return{x:n*Math.sin(i)*Math.cos(a),y:n*Math.cos(i),z:n*Math.sin(i)*Math.sin(a)}}function g(){for(var t=32,e=new THREE.BufferGeometry,n=new THREE.LineBasicMaterial({color:16776960,vertexColors:THREE.VertexColors,transparent:!0,opacity:J,depthTest:!0,depthWrite:!1,linewidth:1.0001}),i=new Float32Array(3*N.length*2*t),a=new Float32Array(3*N.length*2*t),r=V;r<j;++r)for(var o=0;o<t-1;++o){var s=Z[r].getPoint(o/(t-1)),g=Z[r].getPoint((o+1)/(t-1));i[6*(r*t+o)+0]=s.x,i[6*(r*t+o)+1]=s.y,i[6*(r*t+o)+2]=s.z,i[6*(r*t+o)+3]=g.x,i[6*(r*t+o)+4]=g.y,i[6*(r*t+o)+5]=g.z,a[6*(r*t+o)+0]=1,a[6*(r*t+o)+1]=.4,a[6*(r*t+o)+2]=1,a[6*(r*t+o)+3]=1,a[6*(r*t+o)+4]=.4,a[6*(r*t+o)+5]=1}return e.addAttribute("position",new THREE.BufferAttribute(i,3)),e.addAttribute("color",new THREE.BufferAttribute(a,3)),e.computeBoundingSphere(),new THREE.Line(e,n,THREE.LinePieces)}function h(){W=new THREE.BufferGeometry;var t=N.length;O=new Float32Array(3*t);for(var e=new Float32Array(3*t),n=new Float32Array(t),i=0;i<t;i++)O[3*i+0]=0,O[3*i+1]=0,O[3*i+2]=0,e[3*i+0]=Math.random(),e[3*i+1]=Math.random(),e[3*i+2]=Math.random(),n[i]=.1;W.addAttribute("position",new THREE.BufferAttribute(O,3)),W.addAttribute("customColor",new THREE.BufferAttribute(e,3)),W.addAttribute("size",new THREE.BufferAttribute(n,1)),W.computeBoundingBox();var a={color:{type:"c",value:new THREE.Color(16777215)},texture:{type:"t",value:THREE.ImageUtils.loadTexture("images/point.png")}},r=new THREE.ShaderMaterial({uniforms:a,vertexShader:document.getElementById("vertexshader").textContent,fragmentShader:document.getElementById("fragmentshader").textContent,blending:THREE.AdditiveBlending,depthTest:!0,depthWrite:!1,transparent:!0});return new THREE.Points(W,r)}function c(){if(W){W.attributes.position.needsUpdate=!0;for(var t=V;t<j;++t)if(Date.now()>Q[t]){var e=u(Date.now()-Q[t],0,1,Y[t]-Q[t]);(e<0||K)&&(e=0,l(t));var n=Z[t].getPoint(e);O[3*t+0]=n.x,O[3*t+1]=n.y,O[3*t+2]=n.z}}}function l(t){var e=($-tt)/(et-tt),n=(1-e)*X[t]*8e4,i=Date.now()+5e3*Math.random();Q[t]=i,Y[t]=i+n}function u(t,e,n,i){return(t/=i/2)<1?n/2*t*t+e:-n/2*(--t*(t-2)-1)+e}function p(t){t.clearRect(0,0,t.canvas.width,t.canvas.height)}function d(t){var e=window.devicePixelRatio;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)}function f(){this._subscribers={}}function m(t,e){this._options=e||{},this._data=[],t&&this.add(t)}function v(t){if("undefined"==typeof document)var e=require("canvas"),n=new e;else var n=document.createElement("canvas");var i=n.getContext("2d"),a=t/2,r=t+a,o=1e4;return n.width=n.height=2*r,i.shadowBlur=a,i.shadowColor="black",i.shadowOffsetX=i.shadowOffsetY=o,i.beginPath(),i.arc(r-o,r-o,t,0,2*Math.PI,!0),i.closePath(),i.fill(),n}function y(t,e,n){for(var i,a=n.maxOpacity||.8,r=3,o=t.length;r<o;r+=4)i=4*t[r],t[r]/256>a&&(t[r]=256*a),t[r-3]=e[i],t[r-2]=e[i+1],t[r-1]=e[i+2]}function w(t,e,i){var a=i.max||100,r=i._size;void 0==r&&(r=i.size,void 0==r&&(r=13));var o=new n({gradient:i.gradient,max:a}),s=v(r),g=e,h={};g.forEach(function(t,e){var n=void 0===t.count?1:t.count,i=Math.min(1,n/a).toFixed(2);h[i]=h[i]||[],h[i].push(t)});for(var c in h)if(!isNaN(c)){var l=h[c];t.beginPath(),i.withoutAlpha||(t.globalAlpha=c),l.forEach(function(e,n){if(e.geometry){var r=e.geometry._coordinates||e.geometry.coordinates,o=e.geometry.type;if("Point"===o){var g=void 0===e.count?1:e.count;t.globalAlpha=g/a,t.drawImage(s,r[0]-s.width/2,r[1]-s.height/2)}else"LineString"===o&&nt.draw(t,e,i)}}),t.strokeStyle=o.getColor(c*a),t.stroke()}}function x(t,e,n){var i=n.strength||.3;t.strokeStyle="rgba(0,0,0,"+i+")",n=n||{};var a=e.get();if(t.save(),console.time("drawGray"),w(t,a,n),console.timeEnd("drawGray"),!n.absolute){console.time("changeColor");var r=t.getImageData(0,0,t.canvas.width,t.canvas.height);y(r.data,at.getImageData({defaultGradient:n.gradient||{.25:"rgba(0, 0, 255, 1)",.55:"rgba(0, 255, 0, 1)",.85:"rgba(255, 255, 0, 1)",1:"rgba(255, 0, 0, 1)"}}),n),console.timeEnd("changeColor"),t.putImageData(r,0,0),t.restore()}}function E(t,e,n){var i=60*n+30,a=Math.PI/180*i;return[t.x+e*Math.cos(a),t.y+e*Math.sin(a)]}function _(t){var e=t.split("|");return e[0]=e[0].split(","),{lng:parseFloat(e[0][0]),lat:parseFloat(e[0][1])}}function M(t){for(var e=[],n=0;n<t.length-1;n++){var i=b(t[n],t[n+1]);i&&i.length>0&&(e=e.concat(i))}return e}function b(t,e){if(!t||!e)return null;var n,i,a,r,o,s,g,h=function(t){return 1-2*t+t*t},c=function(t){return 2*t-2*t*t},l=function(t){return t*t},u=[],p=40,d=0,f=0;if("undefined"==typeof e)return void("undefined"!=typeof u&&(u=[]));var m=parseFloat(t.lat),v=parseFloat(e.lat),y=parseFloat(t.lng),w=parseFloat(e.lng);for(w>y&&parseFloat(w-y)>180&&y<0&&(y=parseFloat(360+y)),y>w&&parseFloat(y-w)>180&&w<0&&(w=parseFloat(360+w)),s=0,g=0,v==m?(n=0,i=y-w):w==y?(n=Math.PI/2,i=m-v):(n=Math.atan((v-m)/(w-y)),i=(v-m)/Math.sin(n)),0==g&&(g=n+Math.PI/5),a=i/2,o=a*Math.cos(g)+y,r=a*Math.sin(g)+m,d=0;d<p+1;d++)u.push([y*h(f)+o*c(f)+w*l(f),m*h(f)+r*c(f)+v*l(f)]),f+=1/p;return u}function R(t){this.splitList=t||{other:1}}function S(t){this.splitList=t||[{start:0,value:"red"}]}function T(t,e){return function(n){return Math.max(Math.min(n,e),t)}}function C(t,e){var n=T(0,1);return function(i){return n((i-t)/(e-t))}}function H(t,e){function n(n){return i(t*(1-n)+n*e)}var i=T(t,e);return n.invert=function(){return C(t,e)},n}function z(t,e){if(!e.steps)throw new Error("steps option missing");this.options=e,this.running=!1,this._tick=this._tick.bind(this),this._t0=+new Date,this.callback=t,this._time=0,this.itemsReady=!1,this.options.animationDelay=0,this.options.maxDelta=.2,this.options.loop=void 0===e.loop||e.loop,this.steps(e.steps),e.stepsRange&&void 0!==e.stepsRange.start&&void 0!==e.stepsRange.end&&this.stepsRange(e.stepsRange.start,e.stepsRange.end)}function A(t){this.options=t||{},this.paneName=this.options.paneName||"labelPane",this.zIndex=this.options.zIndex||0,this.mixBlendMode=this.options.mixBlendMode||null,this._map=t.map,this._lastDrawTime=null,this.show()}function L(t,e,n){function i(i){var o=Math.pow(2,18-t.getZoom()),h=t.getMapType().getProjection(),c=h.lngLatToPoint(t.getCenter()),l=new BMap.Pixel(c.x-t.getSize().width/2*o,c.y+t.getSize().height/2*o),u=this.canvas.getContext("2d");if(g){if(void 0===i)return;u.save(),u.globalCompositeOperation="destination-out",u.fillStyle="rgba(0, 0, 0, .1)",u.fillRect(0,0,u.canvas.width,u.canvas.height),u.restore()}else p(u);for(var d in a.options)u[d]=a.options[d];var f={transferCoordinate:function(e){if("bd09mc"==a.options.coordType){var n=(e[0]-l.x)/o,i=(l.y-e[1])/o;return[n,i]}var r=t.pointToPixel(new BMap.Point(e[0],e[1]));return[r.x,r.y]}};void 0!==i&&(f.filter=function(t){var e=s.trails||5;return!!(i&&t.time>i-e&&t.time<i)}),r=e.get(f);var v=a.options.draw;if("bubble"==v||"intensity"==v||"category"==v||"choropleth"==v||"simple"==v)for(var y=0;y<r.length;y++){var w=r[y];"bubble"==a.options.draw?r[y]._size=a.intensity.getSize(w.count):r[y]._size=void 0,"intensity"==a.options.draw?"LineString"===r[y].geometry.type?r[y].strokeStyle=a.intensity.getColor(w.count):r[y].fillStyle=a.intensity.getColor(w.count):"category"==a.options.draw?r[y].fillStyle=a.category.get(w.count):"choropleth"==a.options.draw&&(r[y].fillStyle=a.choropleth.get(w.count))}if(!(a.options.minZoom&&t.getZoom()<a.options.minZoom||a.options.maxZoom&&t.getZoom()>a.options.maxZoom)){switch("m"==a.options.unit&&a.options.size?a.options._size=a.options.size/o:a.options._size=a.options.size,a.options.draw){case"heatmap":rt.draw(u,new m(r),a.options);break;case"grid":case"honeycomb":var x=t.pointToPixel(new BMap.Point(0,0));a.options.offset={x:x.x,y:x.y},"grid"==a.options.draw?ot.draw(u,new m(r),a.options):st.draw(u,new m(r),a.options);break;case"text":wt.draw(u,new m(r),a.options);break;case"icon":xt.draw(u,r,a.options);break;case"clip":u.save(),u.fillStyle=n.fillStyle||"rgba(0, 0, 0, 0.5)",u.fillRect(0,0,u.canvas.width,u.canvas.height),it.draw(u,r,a.options),u.beginPath(),nt.drawDataSet(u,new m(r),a.options),u.clip(),p(u),u.restore();break;default:it.draw(u,r,a.options)}n.updateCallback&&n.updateCallback(i)}}e instanceof m||(e=new m(e));var a=this,r=null;n=n||{},a.init(n),a.argCheck(n),a.map=t;var o=this.canvasLayer=new A({map:t,paneName:n.paneName,mixBlendMode:n.mixBlendMode,zIndex:n.zIndex,update:i});e.on("change",function(){o.draw()});var s=a.options.animation,g=s&&!(s.enabled===!1);if("time"==a.options.draw||g){var h=new z(function(t){i.call(o,t)},{steps:s.steps||100,stepsRange:s.stepsRange||100,animationDuration:s.duration||10});h.start(),t.addEventListener("movestart",function(){h.pause()}),t.addEventListener("moveend",function(){h.start()})}a.options.methods&&a.options.methods.click&&(t.setDefaultCursor("default"),t.addEventListener("click",function(t){for(var n=t.pixel,i=o.canvas.getContext("2d"),r=e.get(),s=0;s<r.length;s++)i.beginPath(),nt.draw(i,r[s],a.options),i.isPointInPath(n.x*o.devicePixelRatio,n.y*o.devicePixelRatio)&&a.options.methods.click(r[s])}))}function F(t){function e(t,e){return function(){e.apply(t)}}this.isAdded_=!1,this.isAnimated_=!1,this.paneName_=F.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 n=document.createElement("canvas");n.style.position="absolute",n.style.top=0,n.style.left=0,n.style.pointerEvents="none",this.canvas=n,this.canvasCssWidth_=300,this.canvasCssHeight_=150,this.resolutionScale_=1,this.repositionFunction_=e(this,this.repositionCanvas_),this.resizeFunction_=e(this,this.resize_),this.requestUpdateFunction_=e(this,this.update_),t&&this.setOptions(t)}function k(t,e,i){function a(){var n=c.canvas.getContext("2d");p(n);for(var a in i)n[a]=i[a];for(var h=0,l=0,u=0,d=t.getProjection(),f=Math.pow(2,t.zoom)*g,v=d.fromLatLngToPoint(c.getTopLeft()),y=e.get({transferCoordinate:function(t){var e=new google.maps.LatLng(t[1],t[0]),n=d.fromLatLngToPoint(e),i={x:(n.x-v.x)*f,y:(n.y-v.y)*f};return[i.x,i.y]}}),w=0;w<y.length;w++){var x=y[w];"bubble"==i.draw?y[w].size=r.getSize(x.count):"intensity"==i.draw?"LineString"===y[w].geometry.type?y[w].strokeStyle=r.getColor(x.count):y[w].fillStyle=r.getColor(x.count):"category"==i.draw?y[w].fillStyle=o.get(x.count):"choropleth"==i.draw&&(y[w].fillStyle=s.get(x.count))}Math.max(Math.max(h,l),u);if("heatmap"==i.draw)rt.draw(n,new m(y),i);else if("grid"==i.draw||"honeycomb"==i.draw){for(var E=e.get(),_=E[0].geometry.coordinates[0],M=E[0].geometry.coordinates[1],w=1;w<E.length;w++)E[w].geometry.coordinates[0]<_&&(_=E[w].geometry.coordinates[0]),E[w].geometry.coordinates[1]>M&&(M=E[w].geometry.coordinates[1]);var b=new google.maps.LatLng(_,M),R=d.fromLatLngToPoint(b);i.offset={x:(R.x-v.x)*f,y:(R.y-v.y)*f},"grid"==i.draw?ot.draw(n,new m(y),i):st.draw(n,new m(y),i)}else console.log("hehe"),it.draw(n,new m(y),i)}var r=new n({maxSize:i.maxSize,gradient:i.gradient,max:i.max}),o=new R(i.splitList),s=new S(i.splitList),g=window.devicePixelRatio||1,h={map:t,animate:!1,updateHandler:a,resolutionScale:g},c=new F(h)}var I="2.0.1",D=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},B=function(){function t(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)}}return function(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),e}}(),q=function(){function t(e,n){D(this,t),this.dom=e,this.opt=n,this.init()}return B(t,[{key:"init",value:function(){function t(){requestAnimationFrame(t),r.render(i,a),o.update()}var n=1,i=new THREE.Scene,a=new THREE.PerspectiveCamera(75,window.innerWidth/window.innerHeight,.01,1e8),r=new THREE.WebGLRenderer,o=new THREE.OrbitControls(a,r.domElement);o.enableDamping=!0,o.dampingFactor=.25,r.setSize(this.dom.clientWidth,this.dom.clientHeight),this.dom.appendChild(r.domElement);var s=new THREE.PlaneGeometry(80*n,50*n,10,10),g=new THREE.MeshBasicMaterial({color:5789784,wireframe:!0}),h=window.cube=new THREE.Mesh(s,g);h.rotateX(-Math.PI/2),i.add(h),a.position.y=50*n,a.position.z=50*n,a.lookAt(new THREE.Vector3(0,0,0)),t();var c=this.opt.grid.size*n,l={},u=1/0,p=-(1/0);for(var d in data){var f=parseInt(data[d].lng*n/c)*c,m=parseInt(data[d].lat*n/c)*c;l[f+"_"+m]=l[f+"_"+m]||0,l[f+"_"+m]++,p=Math.max(p,l[f+"_"+m]),u=Math.min(u,l[f+"_"+m])}var v=e(),y=new THREE.Object3D;for(var d in l){var w=p==u?0:(l[d]-u)/(p-u),x=parseInt(w*(v.length/4))-1;x=x<0?0:x;var E=v[4*x].toString(16);E=E.length<2?"0"+E:E;var _=v[4*x+1].toString(16);_=_.length<2?"0"+_:_;var M=v[4*x+2].toString(16);M=M.length<2?"0"+M:M;var b=1.5*l[d],s=new THREE.BoxGeometry(.9*c,b,.9*c),g=new THREE.MeshBasicMaterial({color:"#"+E+_+M}),h=new THREE.Mesh(s,g),R=d.split("_");h.position.x=R[0]-this.opt.center.lng*n,h.position.y=b/2,h.position.z=this.opt.center.lat*n-R[1],y.add(h)}i.add(y)}}]),t}();n.prototype.initPalette=function(){var t=this.gradient;if("undefined"==typeof document)var e=require("canvas"),n=new e(256,1);else var n=document.createElement("canvas");n.width=256,n.height=1;var i=this.paletteCtx=n.getContext("2d"),a=i.createLinearGradient(0,0,256,1);for(var r in t)a.addColorStop(parseFloat(r),t[r]);i.fillStyle=a,i.fillRect(0,0,256,1)},n.prototype.getColor=function(t){var e=this.max;t>e&&(t=e);var n=4*Math.floor(t/e*255),i=this.paletteCtx.getImageData(0,0,256,1).data;return"rgba("+i[n]+", "+i[n+1]+", "+i[n+2]+", "+i[n+3]/256+")"},n.prototype.getSize=function(t){var e=0,n=this.max,i=this.maxSize;return t>n&&(t=n),e=t/n*i},i.prototype.init=function(){this.intensity=new n({gradient:{0:"#006bab",1:"#002841"},max:100});var t=this.container.offsetWidth,e=this.container.offsetHeight,i=this.camera=new THREE.PerspectiveCamera(40,t/e,.01,9e3);i.position.x=0,i.position.y=0,i.position.z=85,i.lookAt(new THREE.Vector3(0,0,0));var a=this.scene=new THREE.Scene,r=this.renderer=new THREE.WebGLRenderer({alpha:!0});r.setPixelRatio(window.devicePixelRatio),r.setSize(t,e),this.container.appendChild(r.domElement);var o=THREE.ImageUtils.loadTexture("images/china.png"),s=new THREE.MeshBasicMaterial({map:o,transparent:!0,side:THREE.DoubleSide}),g=new THREE.PlaneGeometry(100,100,1,1),h=new THREE.Mesh(g,s);h.position.x=0,h.position.y=0,h.position.z=0;var c=new THREE.PointLight("rgb(50, 50, 250)");c.position.set(0,0,35),a.add(c);var l=20,u=new THREE.Geometry,p=new THREE.QuadraticBezierCurve3;p.v0=new THREE.Vector3(0,0,0),p.v1=new THREE.Vector3(20,20,0),p.v2=new THREE.Vector3(40,40,0);for(var d=0;d<l;d++)u.vertices.push(p.getPoint(d/l));var f=new THREE.LineBasicMaterial({color:16711680,linewidth:95});this.line=new THREE.Line(u,f);this.current=0},i.prototype.render=function(){var t=50,e=new THREE.Geometry,n=new THREE.QuadraticBezierCurve3;n.v0=new THREE.Vector3(0,0,0),n.v1=new THREE.Vector3(25,25,50),n.v2=new THREE.Vector3(50,50,0),this.current+=.01,this.current>1&&(this.current=0);for(var i=0;i<t;i++){var a=i/t;a<this.current&&e.vertices.push(n.getPoint(a))}this.renderer.render(this.scene,this.camera)},i.prototype.setDataSet=function(t){var e=document.createElement("canvas"),n=e.getContext("2d");e.width=50,e.height=50,n.fillStyle="rgba(255,255,50,0.75)",n.arc(25,25,10,0,2*Math.PI),n.fill();var i=new THREE.Texture(e);i.needsUpdate=!0;var a=new THREE.MeshBasicMaterial({map:i,side:THREE.DoubleSide});a.transparent=!0;for(var r=t.get(),o=r,s=0;s<o.length;s++){var g=o[s];if("Polygon"==g.geometry.type){var h=this.getCoordinates(g.geometry.coordinates[0]);this.addShape(h)}else if("MultiPolygon"==g.geometry.type)for(var c=0;c<g.geometry.coordinates.length;c++){var h=this.getCoordinates(g.geometry.coordinates[c][0]);this.addShape(h)}else if("Point"==g.geometry.type){var l=e.width/15+4*Math.random(),u=new THREE.Mesh(new THREE.PlaneGeometry(l,l),a);u.position.set(g.geometry.coordinates[0]-this.center[0],g.geometry.coordinates[1]-this.center[1],1),this.scene.add(u)}g.name,g.cp}this.scene.add(this.group)},i.prototype.getCoordinates=function(t){for(var e=[],n=0;n<t.length;n++)e.push(new THREE.Vector2(t[n][0]-this.center[0],t[n][1]-this.center[1]));return e},i.prototype.addShape=function(t){var e=new THREE.Shape(t),n=new THREE.ShapeGeometry(e),i="rgb("+~~(256*Math.random())+", "+~~(256*Math.random())+", "+~~(256*Math.random())+")";i=this.intensity.getColor(100*Math.random());var a=new THREE.Mesh(n,new THREE.MeshBasicMaterial({color:i,side:THREE.DoubleSide}));a.position.set(0,0,0),this.group.add(a);var r=e.createPointsGeometry(),o=new THREE.Line(r,new THREE.LineBasicMaterial({color:"rgb(0, 137, 191)",linewidth:1}));o.position.set(0,0,.1),this.group.add(o)};for(var N=[[43.061306,74.477556,40.608989,72.793269]],G=100;G--;)N.push([19.670399+35*Math.random(),78.895343+50*Math.random(),19.670399+35*Math.random(),78.895343+50*Math.random()]);var O,U,W,V=0,j=N.length,Z=[],X=[],J=.32,Q=[],Y=[],K=!1,$=5,tt=1,et=25;a.prototype.init=function(){var t=this.container.offsetWidth,e=this.container.offsetHeight,n=this.camera=new THREE.PerspectiveCamera(40,t/e,.01,9e3);n.position.z=1;var i=this.scene=new THREE.Scene,a=this.renderer=new THREE.WebGLRenderer({alpha:!0});a.setPixelRatio(window.devicePixelRatio),a.setSize(t,e),this.container.appendChild(a.domElement),i.add(new THREE.AmbientLight(7829367));var o=new THREE.DirectionalLight(16777215,.2);o.position.set(5,3,5),i.add(o);var s=new THREE.DirectionalLight(16777215,.2);s.position.set(5,3,-5),i.add(s);var c,l,u,p=.5,d=64;c=THREE.ImageUtils.loadTexture("images/earth_airports.png",THREE.UVMapping,function(){l=THREE.ImageUtils.loadTexture("images/elevation.jpg",THREE.UVMapping,function(){u=THREE.ImageUtils.loadTexture("images/water.png",THREE.UVMapping,function(){var t=new THREE.Mesh(new THREE.SphereGeometry(p,d,d),new THREE.MeshPhongMaterial({map:c,bumpMap:l,bumpScale:.01,specularMap:u,specular:new THREE.Color("grey")}));t.rotation.y=170*(Math.PI/180),t.rotation.x=30*(Math.PI/180),i.add(t),r(p),U=g(),t.add(U),t.add(h())})})})},a.prototype.render=function(){c(),this.renderer.render(this.scene,this.camera)},a.prototype.setDataSet=function(t){console.log(t.get())},f.prototype.on=function(t,e){var n=this._subscribers[t];n||(n=[],this._subscribers[t]=n),n.push({callback:e})},f.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--)},f.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 a=0,r=i.length;a<r;a++){var o=i[a];o.callback&&o.callback(t,e,n||null)}},m.prototype=new f,m.prototype.add=function(t,e){if(Array.isArray(t))for(var n=0,i=t.length;n<i;n++)this._data.push(t[n]);else{if(!(t instanceof Object))throw new Error("Unknown dataType");this._data.push(t)}},m.prototype.get=function(t){t=t||{};var e=(new Date,this._data);new Date;if(t.filter){for(var n=[],i=0;i<e.length;i++)t.filter(e[i])&&n.push(e[i]);e=n}return t.transferCoordinate&&(e=this.transferCoordinate(e,t.transferCoordinate)),e},m.prototype.set=function(t){this.clear(),this.add(t),this._trigger("change")},m.prototype.clear=function(t){this._data=[]},m.prototype.remove=function(t){},m.prototype.update=function(t){},m.prototype.transferCoordinate=function(t,e){function n(t){for(var n=[],i=0;i<t.length;i++){for(var a=t[i],r=[],o=0;o<a.length;o++)r.push(e(a[o]));n.push(r)}return n}for(var i=0;i<t.length;i++){t[i];if(t[i].geometry){if("Point"===t[i].geometry.type){var a=t[i].geometry.coordinates;t[i].geometry._coordinates=e(a)}if("Polygon"===t[i].geometry.type||"MultiPolygon"===t[i].geometry.type){var a=t[i].geometry.coordinates;if("Polygon"===t[i].geometry.type){var r=n(a);t[i].geometry._coordinates=r}else if("MultiPolygon"===t[i].geometry.type){for(var r=[],o=0;o<a.length;o++){var s=a[o],s=n(s);r.push(s)}t[i].geometry._coordinates=r}}if("LineString"===t[i].geometry.type){for(var a=t[i].geometry.coordinates,r=[],g=0;g<a.length;g++)r.push(e(a[g]));t[i].geometry._coordinates=r}}}return t},m.prototype.initGeometry=function(t){t?this._data.forEach(function(e){e.geometry=t(e)}):this._data.forEach(function(t){!t.geometry&&t.lng&&t.lat&&(t.geometry={type:"Point",coordinates:[t.lng,t.lat]})})};var nt={drawDataSet:function(t,e,n){for(var i=e instanceof m?e.get():e,a=0,r=i.length;a<r;a++){var o=i[a];this.draw(t,o,n)}},draw:function(t,e,n){var i=e.geometry.type,a=e.geometry._coordinates||e.geometry.coordinates;n.symbol||"circle";switch(i){case"Point":var r=e._size||e.size||n._size||n.size||5;t.moveTo(e.x,e.y),"rect"===n.symbol?t.rect(a[0],a[1],r,r):t.arc(a[0],a[1],r,0,2*Math.PI);break;case"LineString":for(var o=0;o<a.length;o++){var s=a[o][0],g=a[o][1];0==o?t.moveTo(s,g):t.lineTo(s,g)}break;case"Polygon":this.drawPolygon(t,a);break;case"MultiPolygon":for(var h=0;h<a.length;h++){var c=a[h];this.drawPolygon(t,c)}t.closePath();break;default:console.log("type"+i+"is not support now!")}},drawPolygon:function(t,e){for(var n=0;n<e.length;n++){var i=e[n];t.moveTo(i[0][0],i[0][1]);for(var a=1;a<i.length;a++)t.lineTo(i[a][0],i[a][1]);t.lineTo(i[0][0],i[0][1])}}},it={draw:function(t,e,n){var i=e instanceof m?e.get():e;t.save();for(var a in n)t[a]=n[a];if(n.bigData){t.save(),t.beginPath();for(var r=0,o=i.length;r<o;r++){var s=i[r];nt.draw(t,s,n)}var g=n.bigData;"Point"==g||"Polygon"==g||"MultiPolygon"==g?(t.fill(),(s.strokeStyle||n.strokeStyle)&&t.stroke()):"LineString"==g&&t.stroke(),t.restore()}else for(var r=0,o=i.length;r<o;r++){var s=i[r];t.save(),s.fillStyle&&(t.fillStyle=s.fillStyle),s.strokeStyle&&(t.strokeStyle=s.strokeStyle);var g=s.geometry.type;t.beginPath(),nt.draw(t,s,n),"Point"==g||"Polygon"==g||"MultiPolygon"==g?(t.fill(),(s.strokeStyle||n.strokeStyle)&&t.stroke()):"LineString"==g&&t.stroke(),t.restore()}t.restore()}},at={getImageData:function(t){var e=t.gradient||t.defaultGradient;if("undefined"==typeof document)var n=require("canvas"),i=new n(256,1);else var i=document.createElement("canvas");var a=i.getContext("2d");i.width=256,i.height=1;var r=a.createLinearGradient(0,0,256,1);for(var o in e)r.addColorStop(parseFloat(o),e[o]);return a.fillStyle=r,a.fillRect(0,0,256,1),a.getImageData(0,0,256,1).data}},rt={draw:x},ot={draw:function(t,e,i){t.save();for(var 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B(t,[{key:"addLayer",value:function(t,e){if("baidu"==this.type)return new mapv.baiduMapLayer(this.map,dataSet,e)}},{key:"getMap",value:function(){return this.map}}]),t}(),yt="undefined"==typeof window?{}:window;yt.BMap&&(A.prototype=new BMap.Overlay,A.prototype.initialize=function(t){this._map=t;var e=this.canvas=document.createElement("canvas");e.style.cssText="position:absolute;left:0;top:0;z-index:"+this.zIndex+";",e.style.mixBlendMode=this.mixBlendMode,this.adjustSize(),t.getPanes()[this.paneName].appendChild(e);var n=this;return t.addEventListener("resize",function(){n.adjustSize(),n._draw()}),this.canvas},A.prototype.adjustSize=function(){var t=this._map.getSize(),e=this.canvas,n=this.devicePixelRatio=yt.devicePixelRatio;e.width=t.width*n,e.height=t.height*n,e.getContext("2d").scale(n,n),e.style.width=t.width+"px",e.style.height=t.height+"px"},A.prototype.draw=function(){var 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this.isAnimated_},F.prototype.setPaneName=function(t){this.paneName_=t,this.setPane_()},F.prototype.getPaneName=function(){return this.paneName_},F.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)}},F.prototype.setResizeHandler=function(t){this.resizeHandler_=t},F.prototype.setResolutionScale=function(t){"number"==typeof t&&(this.resolutionScale_=t,this.resize_())},F.prototype.setUpdateHandler=function(t){this.updateHandler_=t},F.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_())},F.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(Et,this.requestAnimationFrameId_),this.requestAnimationFrameId_=null))},F.prototype.resize_=function(){if(this.isAdded_){var t=this.getMap(),e=t.getDiv().offsetWidth,n=t.getDiv().offsetHeight,i=e*this.resolutionScale_,a=n*this.resolutionScale_,r=this.canvas.width,o=this.canvas.height;r===i&&o===a||(this.canvas.width=i,this.canvas.height=a,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")}},F.prototype.draw=function(){this.repositionCanvas_()},F.prototype.repositionCanvas_=function(){var t=this.getMap(),e=t.getBounds().getNorthEast().lat(),n=t.getCenter(),i=Math.pow(2,t.getZoom()),a=n.lng()-180*this.canvasCssWidth_/(256*i);this.topLeft_=new google.maps.LatLng(e,a);var r=this.getProjection(),o=r.fromLatLngToDivPixel(n),s=-Math.round(this.canvasCssWidth_/2-o.x),g=-Math.round(this.canvasCssHeight_/2-o.y);this.canvas.style[F.CSS_TRANSFORM_]="translate("+s+"px,"+g+"px)",this.scheduleUpdate()},F.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_())},F.prototype.getTopLeft=function(){return this.topLeft_},F.prototype.scheduleUpdate=function(){this.isAdded_&&!this.requestAnimationFrameId_&&(this.requestAnimationFrameId_=this.requestAnimFrame_.call(Et,this.requestUpdateFunction_))});var _t={getDataSet:function(t){for(var e=[],n=t.features,i=0;i<n.length;i++){var a=n[i],r=a.geometry,o=a.properties,s={};for(var g in o)s[g]=o[g];s.geometry=r,e.push(s)}return new m(e)}},Mt={CSVToArray:function(t,e){e=e||",";for(var n=new 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i=(90-t)*Math.PI/180,a=(360-e)*Math.PI/180;return{x:n*Math.sin(i)*Math.cos(a),y:n*Math.cos(i),z:n*Math.sin(i)*Math.sin(a)}}function g(){for(var t=32,e=new THREE.BufferGeometry,n=new THREE.LineBasicMaterial({color:16776960,vertexColors:THREE.VertexColors,transparent:!0,opacity:J,depthTest:!0,depthWrite:!1,linewidth:1.0001}),i=new Float32Array(3*N.length*2*t),a=new Float32Array(3*N.length*2*t),r=V;r<j;++r)for(var o=0;o<t-1;++o){var s=Z[r].getPoint(o/(t-1)),g=Z[r].getPoint((o+1)/(t-1));i[6*(r*t+o)+0]=s.x,i[6*(r*t+o)+1]=s.y,i[6*(r*t+o)+2]=s.z,i[6*(r*t+o)+3]=g.x,i[6*(r*t+o)+4]=g.y,i[6*(r*t+o)+5]=g.z,a[6*(r*t+o)+0]=1,a[6*(r*t+o)+1]=.4,a[6*(r*t+o)+2]=1,a[6*(r*t+o)+3]=1,a[6*(r*t+o)+4]=.4,a[6*(r*t+o)+5]=1}return e.addAttribute("position",new THREE.BufferAttribute(i,3)),e.addAttribute("color",new THREE.BufferAttribute(a,3)),e.computeBoundingSphere(),new THREE.Line(e,n,THREE.LinePieces)}function h(){W=new THREE.BufferGeometry;var t=N.length;O=new Float32Array(3*t);for(var e=new Float32Array(3*t),n=new Float32Array(t),i=0;i<t;i++)O[3*i+0]=0,O[3*i+1]=0,O[3*i+2]=0,e[3*i+0]=Math.random(),e[3*i+1]=Math.random(),e[3*i+2]=Math.random(),n[i]=.1;W.addAttribute("position",new THREE.BufferAttribute(O,3)),W.addAttribute("customColor",new THREE.BufferAttribute(e,3)),W.addAttribute("size",new THREE.BufferAttribute(n,1)),W.computeBoundingBox();var a={color:{type:"c",value:new THREE.Color(16777215)},texture:{type:"t",value:THREE.ImageUtils.loadTexture("images/point.png")}},r=new THREE.ShaderMaterial({uniforms:a,vertexShader:document.getElementById("vertexshader").textContent,fragmentShader:document.getElementById("fragmentshader").textContent,blending:THREE.AdditiveBlending,depthTest:!0,depthWrite:!1,transparent:!0});return new THREE.Points(W,r)}function c(){if(W){W.attributes.position.needsUpdate=!0;for(var t=V;t<j;++t)if(Date.now()>Q[t]){var e=u(Date.now()-Q[t],0,1,Y[t]-Q[t]);(e<0||K)&&(e=0,l(t));var n=Z[t].getPoint(e);O[3*t+0]=n.x,O[3*t+1]=n.y,O[3*t+2]=n.z}}}function l(t){var e=($-tt)/(et-tt),n=(1-e)*X[t]*8e4,i=Date.now()+5e3*Math.random();Q[t]=i,Y[t]=i+n}function u(t,e,n,i){return(t/=i/2)<1?n/2*t*t+e:-n/2*(--t*(t-2)-1)+e}function p(t){t.clearRect(0,0,t.canvas.width,t.canvas.height)}function d(t){var e=window.devicePixelRatio;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)}function f(){this._subscribers={}}function v(t,e){this._options=e||{},this._data=[],t&&this.add(t)}function m(t){if("undefined"==typeof document)var e=require("canvas"),n=new e;else var n=document.createElement("canvas");var i=n.getContext("2d"),a=t/2,r=t+a,o=1e4;return n.width=n.height=2*r,i.shadowBlur=a,i.shadowColor="black",i.shadowOffsetX=i.shadowOffsetY=o,i.beginPath(),i.arc(r-o,r-o,t,0,2*Math.PI,!0),i.closePath(),i.fill(),n}function y(t,e,n){for(var i,a=n.maxOpacity||.8,r=3,o=t.length;r<o;r+=4)i=4*t[r],t[r]/256>a&&(t[r]=256*a),t[r-3]=e[i],t[r-2]=e[i+1],t[r-1]=e[i+2]}function w(t,e,i){var a=i.max||100,r=i._size;void 0==r&&(r=i.size,void 0==r&&(r=13));var o=new n({gradient:i.gradient,max:a}),s=m(r),g=e,h={};g.forEach(function(t,e){var n=void 0===t.count?1:t.count,i=Math.min(1,n/a).toFixed(2);h[i]=h[i]||[],h[i].push(t)});for(var c in h)if(!isNaN(c)){var l=h[c];t.beginPath(),i.withoutAlpha||(t.globalAlpha=c),l.forEach(function(e,n){if(e.geometry){var r=e.geometry._coordinates||e.geometry.coordinates,o=e.geometry.type;if("Point"===o){var g=void 0===e.count?1:e.count;t.globalAlpha=g/a,t.drawImage(s,r[0]-s.width/2,r[1]-s.height/2)}else"LineString"===o&&nt.draw(t,e,i)}}),t.strokeStyle=o.getColor(c*a),t.stroke()}}function x(t,e,n){var i=n.strength||.3;t.strokeStyle="rgba(0,0,0,"+i+")",n=n||{};var a=e.get();if(t.save(),console.time("drawGray"),w(t,a,n),console.timeEnd("drawGray"),!n.absolute){console.time("changeColor");var r=t.getImageData(0,0,t.canvas.width,t.canvas.height);y(r.data,at.getImageData({defaultGradient:n.gradient||{.25:"rgba(0, 0, 255, 1)",.55:"rgba(0, 255, 0, 1)",.85:"rgba(255, 255, 0, 1)",1:"rgba(255, 0, 0, 1)"}}),n),console.timeEnd("changeColor"),t.putImageData(r,0,0),t.restore()}}function E(t,e,n){var i=60*n+30,a=Math.PI/180*i;return[t.x+e*Math.cos(a),t.y+e*Math.sin(a)]}function _(t){var e=t.split("|");return e[0]=e[0].split(","),{lng:parseFloat(e[0][0]),lat:parseFloat(e[0][1])}}function M(t){for(var e=[],n=0;n<t.length-1;n++){var i=b(t[n],t[n+1]);i&&i.length>0&&(e=e.concat(i))}return e}function b(t,e){if(!t||!e)return null;var n,i,a,r,o,s,g,h=function(t){return 1-2*t+t*t},c=function(t){return 2*t-2*t*t},l=function(t){return t*t},u=[],p=40,d=0,f=0;if("undefined"==typeof e)return void("undefined"!=typeof u&&(u=[]));var v=parseFloat(t.lat),m=parseFloat(e.lat),y=parseFloat(t.lng),w=parseFloat(e.lng);for(w>y&&parseFloat(w-y)>180&&y<0&&(y=parseFloat(360+y)),y>w&&parseFloat(y-w)>180&&w<0&&(w=parseFloat(360+w)),s=0,g=0,m==v?(n=0,i=y-w):w==y?(n=Math.PI/2,i=v-m):(n=Math.atan((m-v)/(w-y)),i=(m-v)/Math.sin(n)),0==g&&(g=n+Math.PI/5),a=i/2,o=a*Math.cos(g)+y,r=a*Math.sin(g)+v,d=0;d<p+1;d++)u.push([y*h(f)+o*c(f)+w*l(f),v*h(f)+r*c(f)+m*l(f)]),f+=1/p;return u}function R(t){this.splitList=t||{other:1}}function S(t){this.splitList=t||[{start:0,value:"red"}]}function T(t,e){return function(n){return Math.max(Math.min(n,e),t)}}function C(t,e){var n=T(0,1);return function(i){return n((i-t)/(e-t))}}function H(t,e){function n(n){return i(t*(1-n)+n*e)}var i=T(t,e);return n.invert=function(){return C(t,e)},n}function L(t,e){if(!e.steps)throw new Error("steps option missing");this.options=e,this.running=!1,this._tick=this._tick.bind(this),this._t0=+new Date,this.callback=t,this._time=0,this.itemsReady=!1,this.options.animationDelay=0,this.options.maxDelta=.2,this.options.loop=void 0===e.loop||e.loop,e.stepsRange=e.stepsRange||{start:0,end:100},this.steps(e.stepsRange.start||0,e.stepsRange.end||100),e.stepsRange&&void 0!==e.stepsRange.start&&void 0!==e.stepsRange.end&&this.stepsRange(e.stepsRange.start,e.stepsRange.end)}function z(t){this.options=t||{},this.paneName=this.options.paneName||"labelPane",this.zIndex=this.options.zIndex||0,this.mixBlendMode=this.options.mixBlendMode||null,this._map=t.map,this._lastDrawTime=null,this.show()}function A(t,e,n){function i(i){var o=Math.pow(2,18-t.getZoom()),h=t.getMapType().getProjection(),c=h.lngLatToPoint(t.getCenter()),l=new BMap.Pixel(c.x-t.getSize().width/2*o,c.y+t.getSize().height/2*o),u=this.canvas.getContext("2d");if(g){if(void 0===i)return;u.save(),u.globalCompositeOperation="destination-out",u.fillStyle="rgba(0, 0, 0, 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0,"intensity"==a.options.draw?"LineString"===r[y].geometry.type?r[y].strokeStyle=a.intensity.getColor(w.count):r[y].fillStyle=a.intensity.getColor(w.count):"category"==a.options.draw?r[y].fillStyle=a.category.get(w.count):"choropleth"==a.options.draw&&(r[y].fillStyle=a.choropleth.get(w.count))}if(!(a.options.minZoom&&t.getZoom()<a.options.minZoom||a.options.maxZoom&&t.getZoom()>a.options.maxZoom)){switch("m"==a.options.unit&&a.options.size?a.options._size=a.options.size/o:a.options._size=a.options.size,a.options.draw){case"heatmap":rt.draw(u,new v(r),a.options);break;case"grid":case"honeycomb":var x=t.pointToPixel(new BMap.Point(0,0));a.options.offset={x:x.x,y:x.y},"grid"==a.options.draw?ot.draw(u,new v(r),a.options):st.draw(u,new v(r),a.options);break;case"text":wt.draw(u,new v(r),a.options);break;case"icon":xt.draw(u,r,a.options);break;case"clip":u.save(),u.fillStyle=n.fillStyle||"rgba(0, 0, 0, 0.5)",u.fillRect(0,0,u.canvas.width,u.canvas.height),it.draw(u,r,a.options),u.beginPath(),nt.drawDataSet(u,new v(r),a.options),u.clip(),p(u),u.restore();break;default:it.draw(u,r,a.options)}n.updateCallback&&n.updateCallback(i)}}e instanceof v||(e=new v(e)),this.dataSet=e;var a=this,r=null;n=n||{},a.init(n),a.argCheck(n),a.map=t;var o=this.canvasLayer=new z({map:t,paneName:n.paneName,mixBlendMode:n.mixBlendMode,zIndex:n.zIndex,update:i});e.on("change",function(){o.draw()});var s=a.options.animation,g=s&&!(s.enabled===!1);if("time"==a.options.draw||g){var h=new L(function(t){i.call(o,t)},{steps:s.steps||100,stepsRange:s.stepsRange||100,animationDuration:s.duration||10});h.start(),t.addEventListener("movestart",function(){h.pause()}),t.addEventListener("moveend",function(){h.start()})}a.options.methods&&a.options.methods.click&&(t.setDefaultCursor("default"),t.addEventListener("click",function(t){for(var n=t.pixel,i=o.canvas.getContext("2d"),r=e.get(),s=0;s<r.length;s++)if(i.beginPath(),nt.draw(i,r[s],a.options),i.isPointInPath(n.x*o.devicePixelRatio,n.y*o.devicePixelRatio))return void a.options.methods.click(r[s],t)}))}function F(t){function e(t,e){return function(){e.apply(t)}}this.isAdded_=!1,this.isAnimated_=!1,this.paneName_=F.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 n=document.createElement("canvas");n.style.position="absolute",n.style.top=0,n.style.left=0,n.style.pointerEvents="none",this.canvas=n,this.canvasCssWidth_=300,this.canvasCssHeight_=150,this.resolutionScale_=1,this.repositionFunction_=e(this,this.repositionCanvas_),this.resizeFunction_=e(this,this.resize_),this.requestUpdateFunction_=e(this,this.update_),t&&this.setOptions(t)}function k(t,e,i){function a(){var n=c.canvas.getContext("2d");p(n);for(var a in i)n[a]=i[a];for(var h=0,l=0,u=0,d=t.getProjection(),f=Math.pow(2,t.zoom)*g,m=d.fromLatLngToPoint(c.getTopLeft()),y=e.get({transferCoordinate:function(t){var e=new google.maps.LatLng(t[1],t[0]),n=d.fromLatLngToPoint(e),i={x:(n.x-m.x)*f,y:(n.y-m.y)*f};return[i.x,i.y]}}),w=0;w<y.length;w++){var x=y[w];"bubble"==i.draw?y[w].size=r.getSize(x.count):"intensity"==i.draw?"LineString"===y[w].geometry.type?y[w].strokeStyle=r.getColor(x.count):y[w].fillStyle=r.getColor(x.count):"category"==i.draw?y[w].fillStyle=o.get(x.count):"choropleth"==i.draw&&(y[w].fillStyle=s.get(x.count))}Math.max(Math.max(h,l),u);if("heatmap"==i.draw)rt.draw(n,new v(y),i);else if("grid"==i.draw||"honeycomb"==i.draw){for(var E=e.get(),_=E[0].geometry.coordinates[0],M=E[0].geometry.coordinates[1],w=1;w<E.length;w++)E[w].geometry.coordinates[0]<_&&(_=E[w].geometry.coordinates[0]),E[w].geometry.coordinates[1]>M&&(M=E[w].geometry.coordinates[1]);var b=new google.maps.LatLng(_,M),R=d.fromLatLngToPoint(b);i.offset={x:(R.x-m.x)*f,y:(R.y-m.y)*f},"grid"==i.draw?ot.draw(n,new v(y),i):st.draw(n,new v(y),i)}else console.log("hehe"),it.draw(n,new v(y),i)}var r=new n({maxSize:i.maxSize,gradient:i.gradient,max:i.max}),o=new R(i.splitList),s=new S(i.splitList),g=window.devicePixelRatio||1,h={map:t,animate:!1,updateHandler:a,resolutionScale:g},c=new F(h)}var I="2.0.1",D=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},B=function(){function t(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)}}return function(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),e}}(),q=function(){function t(e,n){D(this,t),this.dom=e,this.opt=n,this.init()}return B(t,[{key:"init",value:function(){function t(){requestAnimationFrame(t),r.render(i,a),o.update()}var n=1,i=new THREE.Scene,a=new THREE.PerspectiveCamera(75,window.innerWidth/window.innerHeight,.01,1e8),r=new THREE.WebGLRenderer,o=new THREE.OrbitControls(a,r.domElement);o.enableDamping=!0,o.dampingFactor=.25,r.setSize(this.dom.clientWidth,this.dom.clientHeight),this.dom.appendChild(r.domElement);var s=new THREE.PlaneGeometry(80*n,50*n,10,10),g=new THREE.MeshBasicMaterial({color:5789784,wireframe:!0}),h=window.cube=new THREE.Mesh(s,g);h.rotateX(-Math.PI/2),i.add(h),a.position.y=50*n,a.position.z=50*n,a.lookAt(new THREE.Vector3(0,0,0)),t();var c=this.opt.grid.size*n,l={},u=1/0,p=-(1/0);for(var d in data){var f=parseInt(data[d].lng*n/c)*c,v=parseInt(data[d].lat*n/c)*c;l[f+"_"+v]=l[f+"_"+v]||0,l[f+"_"+v]++,p=Math.max(p,l[f+"_"+v]),u=Math.min(u,l[f+"_"+v])}var m=e(),y=new THREE.Object3D;for(var d in l){var w=p==u?0:(l[d]-u)/(p-u),x=parseInt(w*(m.length/4))-1;x=x<0?0:x;var E=m[4*x].toString(16);E=E.length<2?"0"+E:E;var _=m[4*x+1].toString(16);_=_.length<2?"0"+_:_;var M=m[4*x+2].toString(16);M=M.length<2?"0"+M:M;var b=1.5*l[d],s=new THREE.BoxGeometry(.9*c,b,.9*c),g=new THREE.MeshBasicMaterial({color:"#"+E+_+M}),h=new THREE.Mesh(s,g),R=d.split("_");h.position.x=R[0]-this.opt.center.lng*n,h.position.y=b/2,h.position.z=this.opt.center.lat*n-R[1],y.add(h)}i.add(y)}}]),t}();n.prototype.initPalette=function(){var t=this.gradient;if("undefined"==typeof document)var e=require("canvas"),n=new e(256,1);else var n=document.createElement("canvas");n.width=256,n.height=1;var i=this.paletteCtx=n.getContext("2d"),a=i.createLinearGradient(0,0,256,1);for(var r in t)a.addColorStop(parseFloat(r),t[r]);i.fillStyle=a,i.fillRect(0,0,256,1)},n.prototype.getColor=function(t){var e=this.max;t>e&&(t=e);var n=4*Math.floor(t/e*255),i=this.paletteCtx.getImageData(0,0,256,1).data;return"rgba("+i[n]+", "+i[n+1]+", "+i[n+2]+", "+i[n+3]/256+")"},n.prototype.getSize=function(t){var e=0,n=this.max,i=this.maxSize;return t>n&&(t=n),e=t/n*i},i.prototype.init=function(){this.intensity=new n({gradient:{0:"#006bab",1:"#002841"},max:100});var t=this.container.offsetWidth,e=this.container.offsetHeight,i=this.camera=new THREE.PerspectiveCamera(40,t/e,.01,9e3);i.position.x=0,i.position.y=0,i.position.z=85,i.lookAt(new THREE.Vector3(0,0,0));var a=this.scene=new THREE.Scene,r=this.renderer=new THREE.WebGLRenderer({alpha:!0});r.setPixelRatio(window.devicePixelRatio),r.setSize(t,e),this.container.appendChild(r.domElement);var o=THREE.ImageUtils.loadTexture("images/china.png"),s=new THREE.MeshBasicMaterial({map:o,transparent:!0,side:THREE.DoubleSide}),g=new THREE.PlaneGeometry(100,100,1,1),h=new THREE.Mesh(g,s);h.position.x=0,h.position.y=0,h.position.z=0;var c=new THREE.PointLight("rgb(50, 50, 250)");c.position.set(0,0,35),a.add(c);var l=20,u=new THREE.Geometry,p=new THREE.QuadraticBezierCurve3;p.v0=new THREE.Vector3(0,0,0),p.v1=new THREE.Vector3(20,20,0),p.v2=new THREE.Vector3(40,40,0);for(var d=0;d<l;d++)u.vertices.push(p.getPoint(d/l));var f=new 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c=0;c<g.geometry.coordinates.length;c++){var h=this.getCoordinates(g.geometry.coordinates[c][0]);this.addShape(h)}else if("Point"==g.geometry.type){var l=e.width/15+4*Math.random(),u=new THREE.Mesh(new THREE.PlaneGeometry(l,l),a);u.position.set(g.geometry.coordinates[0]-this.center[0],g.geometry.coordinates[1]-this.center[1],1),this.scene.add(u)}g.name,g.cp}this.scene.add(this.group)},i.prototype.getCoordinates=function(t){for(var e=[],n=0;n<t.length;n++)e.push(new THREE.Vector2(t[n][0]-this.center[0],t[n][1]-this.center[1]));return e},i.prototype.addShape=function(t){var e=new THREE.Shape(t),n=new THREE.ShapeGeometry(e),i="rgb("+~~(256*Math.random())+", "+~~(256*Math.random())+", "+~~(256*Math.random())+")";i=this.intensity.getColor(100*Math.random());var a=new THREE.Mesh(n,new THREE.MeshBasicMaterial({color:i,side:THREE.DoubleSide}));a.position.set(0,0,0),this.group.add(a);var r=e.createPointsGeometry(),o=new THREE.Line(r,new THREE.LineBasicMaterial({color:"rgb(0, 137, 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n=s(M[e.source],{source:M[t.source],target:M[t.target]}),i=s(M[e.target],{source:M[t.source],target:M[t.target]}),a={x:(n.x+i.x)/2,y:(n.y+i.y)/2},r={x:(M[t.source].x+M[t.target].x)/2,y:(M[t.source].y+M[t.target].y)/2},g=Math.max(0,1-2*o(r,a)/o(n,i));return g}function w(t,e){return Math.min(y(t,e),y(e,t))}function x(t,e){var n=f(t,e)*v(t,e)*m(t,e)*w(t,e);return n}function E(t,e){return x(t,e)>=k}function _(){for(var t=0;t<b.length-1;t++)for(var e=t+1;e<b.length;e++)t!=e&&E(b[t],b[e])&&(R[t].push(e),R[e].push(t))}var M={},b=[],R=[],S=[],T=.1,C=.1,H=1,L=2,z=6,A=70,F=.6666667,k=.6,I=1e-8,D=function(){var t=C,e=A,n=H;g(),h(),d(n),_();for(var i=0;i<z;i++){for(var a=0;a<e;a++){for(var r=[],o=0;o<b.length;o++)r[o]=p(o,n,t);for(var s=0;s<b.length;s++)for(var c=0;c<n+1;c++)S[s][c].x+=r[s][c].x,S[s][c].y+=r[s][c].y}t/=2,n=2*n,e=F*e,d(n)}return S};return D.nodes=function(t){return 0==arguments.length?M:(M=t,D)},D.edges=function(t){return 0==arguments.length?b:(b=c(t),D)},D.bundling_stiffness=function(t){return 0==arguments.length?T:(T=t,D)},D.step_size=function(t){return 0==arguments.length?C:(C=t,D)},D.cycles=function(t){return 0==arguments.length?z:(z=t,D)},D.iterations=function(t){return 0==arguments.length?A:(A=t,D)},D.iterations_rate=function(t){return 0==arguments.length?F:(F=t,D)},D.subdivision_points_seed=function(t){return 0==arguments.length?P:(P=t,D)},D.subdivision_rate=function(t){return 0==arguments.length?L:(L=t,D)},D.compatbility_threshold=function(t){return 0==arguments.length?compatbility_threshold:(k=t,D)},D};R.prototype.get=function(t){var e=this.splitList,n=e.other;for(var i in e)if(t==i){n=e[i];break}return n},R.prototype.generateByDataSet=function(t){var e=["rgba(255, 255, 0, 0.8)","rgba(253, 98, 104, 0.8)","rgba(255, 146, 149, 0.8)","rgba(255, 241, 193, 0.8)","rgba(110, 176, 253, 0.8)","rgba(52, 139, 251, 0.8)","rgba(17, 102, 252, 0.8)"],n=t.get();this.splitList={};for(var i=0,a=0;a<n.length&&(void 0===this.splitList[n[a].count]&&(this.splitList[n[a].count]=e[i],i++),!(i>=e.length-1));a++);this.splitList.other=e[e.length-1]},S.prototype.get=function(t){for(var e=this.splitList,n=!1,i=0;i<e.length;i++)if((void 0===e[i].start||void 0!==e[i].start&&t>=e[i].start)&&(void 0===e[i].end||void 0!==e[i].end&&t<e[i].end)){n=e[i].value;break}return n},S.prototype.generateByDataSet=function(t){var e=t.getMin("count"),n=t.getMax("count");this.generateByMinMax(e,n)},S.prototype.generateByMinMax=function(t,e){var n=["rgba(255, 255, 0, 0.8)","rgba(253, 98, 104, 0.8)","rgba(255, 146, 149, 0.8)","rgba(255, 241, 193, 0.8)","rgba(110, 176, 253, 0.8)","rgba(52, 139, 251, 0.8)","rgba(17, 102, 252, 0.8)"],i=(e-t)/7,a=t;this.splitList=[];for(var r=0;a<e;)this.splitList.push({start:a,end:a+i,value:n[r]}),r++,a+=i};var ut=function(){function t(e,n){D(this,t),this._call=e,this._runing=!1,this.start()}return B(t,[{key:"start",value:function(){this._runing=!0,requestAnimationFrame(this._launch.bind(this))}},{key:"stop",value:function(){this._runing=!1}},{key:"_launch",value:function(t){this._runing&&(this._call&&this._call(t),requestAnimationFrame(this._launch.bind(this)))}}]),t}(),pt=function(t,e){if(t<0)throw new Error("start must be a positive number");if(t>=e)throw new Error("start must be smaller than end");this.start=t,this.end=e};pt.prototype={diff:function(){return this.end-this.start},isLast:function(t){return(0|t)===this.end}};var dt="undefined"==typeof window?{}:window,ft=dt.requestAnimationFrame||dt.mozRequestAnimationFrame||dt.webkitRequestAnimationFrame||dt.msRequestAnimationFrame||function(t){return dt.setTimeout(t,1e3/60)},vt=dt.cancelAnimationFrame||dt.mozCancelAnimationFrame||dt.webkitCancelAnimationFrame||dt.msCancelAnimationFrame||function(t){clearTimeout(t)};L.prototype={start:function(){this.running=!0,ft(this._tick),this.options.onStart&&this.options.onStart(),1===this.stepsRange().diff()&&(this.running=!1)},isRunning:function(){return this.running},stop:function(){this.pause(),this.time(this.stepsRange().start),this.options.onStop&&this.options.onStop()},time:function(t){if(!arguments.length)return this._time;this._time=t;var e=this.range(this.domain(this._time));this.callback(e)},toggle:function(){this.running?this.pause():this.start()},rescale:function(){return this.domainInv=H(this.options.animationDelay,this.options.animationDelay+this.options.animationDuration),this.domain=this.domainInv.invert(),this.range=H(0,this._defaultStepsRange.end),this.rangeInv=this.range.invert(),this.time(this._time),this.running?this.start():this.pause(),this},duration:function(t){return arguments.length?(this.options.animationDuration=t,this.time()>t&&this.time(0),this.rescale(),this):this.options.animationDuration},steps:function(t,e){return this._defaultStepsRange=new pt(t,e),this.rescale()},stepsRange:function(t,e){if(2===arguments.length){if(t<this._defaultStepsRange.start)throw new Error("start must be within default steps range");if(e>this._defaultStepsRange.end)throw new Error("end must be within default steps range");this._customStepsRange=new pt(t,e),this.options.onStepsRange&&this.options.onStepsRange();var n=0|this.step();(n<t||n>e)&&this.step(t)}return this._customStepsRange||this._defaultStepsRange},removeCustomStepsRange:function(){this._customStepsRange=void 0,this.options.onStepsRange&&this.options.onStepsRange()},step:function(t){return 0===arguments.length?this.range(this.domain(this._time)):void(this._time=this.domainInv(this.rangeInv(t)))},pause:function(){this.running=!1,vt(this._tick),this.options.onPause&&this.options.onPause()},_tick:function(){var t=+new Date,e=.001*(t-this._t0);e=Math.min(this.options.maxDelta,e),this._t0=t,this._time+=e;var n=this.stepsRange();n.isLast(this.step())&&(this.options.loop?this.step(n.start):(this.time(this.options.animationDuration),this.pause())),this.running&&(this.time(this._time),ft(this._tick))}};var mt=function(){function t(e,n,i){if(D(this,t),!e||!n)return console.warn("id 和 type 为必填项"),!1;if("baidu"==n){if(!BMap)return console.warn("请先引入百度地图JS API"),!1}else console.warn("暂不支持你的地图类型");this.type=n;var a=i&&i.center?i.center:[106.962497,38.208726],r=i&&i.zoom?i.zoom:5,o=this.map=new BMap.Map(e,{enableMapClick:!1});o.centerAndZoom(new BMap.Point(a[0],a[1]),r),o.enableScrollWheelZoom(!0),o.setMapStyle({style:"light"})}return B(t,[{key:"addLayer",value:function(t,e){if("baidu"==this.type)return new mapv.baiduMapLayer(this.map,dataSet,e)}},{key:"getMap",value:function(){return this.map}}]),t}(),yt="undefined"==typeof window?{}:window;yt.BMap&&(z.prototype=new BMap.Overlay,z.prototype.initialize=function(t){this._map=t;var e=this.canvas=document.createElement("canvas");e.style.cssText="position:absolute;left:0;top:0;z-index:"+this.zIndex+";",e.style.mixBlendMode=this.mixBlendMode,this.adjustSize(),t.getPanes()[this.paneName].appendChild(e);var n=this;return t.addEventListener("resize",function(){n.adjustSize(),n._draw()}),this.canvas},z.prototype.adjustSize=function(){var t=this._map.getSize(),e=this.canvas,n=this.devicePixelRatio=yt.devicePixelRatio;e.width=t.width*n,e.height=t.height*n,e.getContext("2d").scale(n,n),e.style.width=t.width+"px",e.style.height=t.height+"px"},z.prototype.draw=function(){var t=this;clearTimeout(t.timeoutID),t.timeoutID=setTimeout(function(){t._draw()},15)},z.prototype._draw=function(){var t=this._map,e=t.getSize(),n=t.getCenter();if(n){var i=t.pointToOverlayPixel(n);this.canvas.style.left=i.x-e.width/2+"px",this.canvas.style.top=i.y-e.height/2+"px",this.dispatchEvent("draw"),this.options.update&&this.options.update.call(this)}},z.prototype.getContainer=function(){return this.canvas},z.prototype.show=function(){this.canvas||this._map.addOverlay(this),this.canvas.style.display="block"},z.prototype.hide=function(){this.canvas.style.display="none"},z.prototype.setZIndex=function(t){this.canvas.style.zIndex=t},z.prototype.getZIndex=function(){return this.zIndex});var wt={draw:function(t,e,n){var i=e.get();t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var a in n)t[a]=n[a];for(var r=n.offset||{x:0,y:0},o=n.textKey||"text",s=0,g=i.length;s<g;s++){var h=i[s].geometry._coordinates||i[s].geometry.coordinates;t.fillText(i[s][o],h[0]+r.x,h[1]+r.y)}}},xt={draw:function(t,e,n){var i=e instanceof v?e.get():e;t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var a=0,r=i.length;a<r;a++)if(i[a].geometry){var o=i[a].icon,s=i[a].geometry._coordinates||i[a].geometry.coordinates;t.drawImage(o,s[0]-o.width/2,s[1]-o.height/2)}}};A.prototype.argCheck=function(t){"heatmap"==t.draw&&t.strokeStyle&&console.warn("[heatmap] options.strokeStyle is discard, pleause use options.strength [eg: options.strength = 0.1]")},A.prototype.init=function(t){var e=this;if(e.options=t,e.intensity=new n({maxSize:e.options.maxSize,gradient:e.options.gradient,max:e.options.max||this.dataSet.getMax("count")}),e.category=new R(e.options.splitList),e.choropleth=new S(e.options.splitList),void 0===e.options.splitList&&e.category.generateByDataSet(this.dataSet),e.options.zIndex&&this.canvasLayer&&this.canvasLayer.setZIndex(e.options.zIndex),void 0===e.options.splitList){var i=e.options.min||this.dataSet.getMin("count"),a=e.options.max||this.dataSet.getMax("count");e.choropleth.generateByMinMax(i,a)}},A.prototype.show=function(){this.map.addOverlay(this.canvasLayer)},A.prototype.hide=function(){this.map.removeOverlay(this.canvasLayer)},A.prototype.update=function(t){var e=this,n=t.options,i=e.options;for(var a in n)i[a]=n[a];e.init(i),e.canvasLayer.draw()},A.prototype.set=function(t){var e={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"},n=this,i=n.canvasLayer.canvas.getContext("2d");for(var a in e)i[a]=e[a];n.init(t.options),n.canvasLayer.draw()};var Et="undefined"==typeof window?{}:window;Et.google&&Et.google.maps&&(F.prototype=new google.maps.OverlayView,F.DEFAULT_PANE_NAME_="overlayLayer",F.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]}(),F.prototype.requestAnimFrame_=Et.requestAnimationFrame||Et.webkitRequestAnimationFrame||Et.mozRequestAnimationFrame||Et.oRequestAnimationFrame||Et.msRequestAnimationFrame||function(t){return Et.setTimeout(t,1e3/60)},F.prototype.cancelAnimFrame_=Et.cancelAnimationFrame||Et.webkitCancelAnimationFrame||Et.mozCancelAnimationFrame||Et.oCancelAnimationFrame||Et.msCancelAnimationFrame||function(t){},F.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)},F.prototype.setAnimate=function(t){this.isAnimated_=!!t,this.isAnimated_&&this.scheduleUpdate()},F.prototype.isAnimated=function(){return this.isAnimated_},F.prototype.setPaneName=function(t){this.paneName_=t,this.setPane_()},F.prototype.getPaneName=function(){return this.paneName_},F.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)}},F.prototype.setResizeHandler=function(t){this.resizeHandler_=t},F.prototype.setResolutionScale=function(t){"number"==typeof t&&(this.resolutionScale_=t,this.resize_())},F.prototype.setUpdateHandler=function(t){this.updateHandler_=t},F.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_())},F.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(Et,this.requestAnimationFrameId_),this.requestAnimationFrameId_=null))},F.prototype.resize_=function(){if(this.isAdded_){var t=this.getMap(),e=t.getDiv().offsetWidth,n=t.getDiv().offsetHeight,i=e*this.resolutionScale_,a=n*this.resolutionScale_,r=this.canvas.width,o=this.canvas.height;r===i&&o===a||(this.canvas.width=i,this.canvas.height=a,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")}},F.prototype.draw=function(){this.repositionCanvas_()},F.prototype.repositionCanvas_=function(){var t=this.getMap(),e=t.getBounds().getNorthEast().lat(),n=t.getCenter(),i=Math.pow(2,t.getZoom()),a=n.lng()-180*this.canvasCssWidth_/(256*i);this.topLeft_=new google.maps.LatLng(e,a);var r=this.getProjection(),o=r.fromLatLngToDivPixel(n),s=-Math.round(this.canvasCssWidth_/2-o.x),g=-Math.round(this.canvasCssHeight_/2-o.y);this.canvas.style[F.CSS_TRANSFORM_]="translate("+s+"px,"+g+"px)",this.scheduleUpdate()},F.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_())},F.prototype.getTopLeft=function(){return this.topLeft_},F.prototype.scheduleUpdate=function(){this.isAdded_&&!this.requestAnimationFrameId_&&(this.requestAnimationFrameId_=this.requestAnimFrame_.call(Et,this.requestUpdateFunction_))});var _t={getDataSet:function(t){for(var e=[],n=t.features,i=0;i<n.length;i++){var a=n[i],r=a.geometry,o=a.properties,s={};for(var g in o)s[g]=o[g];s.geometry=r,e.push(s)}return new v(e)}},Mt={CSVToArray:function(t,e){e=e||",";for(var n=new RegExp("(\\"+e+'|\\r?\\n|\\r|^)(?:"([^"]*(?:""[^"]*)*)"|([^"\\'+e+"\\r\\n]*))","gi"),i=[[]],a=null;a=n.exec(t);){var r=a[1];r.length&&r!==e&&i.push([]);var o;o=a[2]?a[2].replace(new RegExp('""',"g"),'"'):a[3],i[i.length-1].push(o)}return i},getDataSet:function(t){for(var e=this.CSVToArray(t,","),n=[],i=e[0],a=1;a<e.length-1;a++){for(var r=e[a],o={},s=0;s<r.length;s++){var g=r[s];"geometry"==i[s]&&(g=JSON.parse(g)),o[i[s]]=g}n.push(o)}return new v(n)}};t.version=I,t.x=q,t.X=q,t.Flate=i,t.Earth=a,t.canvasClear=p,t.canvasResolutionScale=d,t.canvasDrawSimple=it,t.canvasDrawHeatmap=rt,t.canvasDrawGrid=ot,t.canvasDrawHoneycomb=st,t.utilCityCenter=ht,t.utilCurve=ct,t.utilForceEdgeBundling=lt,t.utilDataRangeIntensity=n,t.utilDataRangeCategory=R,t.utilDataRangeChoropleth=S,t.Timer=ut,t.Animator=L,t.Map=mt,t.baiduMapCanvasLayer=z,t.baiduMapLayer=A,t.googleMapCanvasLayer=F,t.googleMapLayer=k,t.DataSet=v,t.geojson=_t,t.csv=Mt});
\ No newline at end of file
diff --git a/build/release/mapv.v2.0.2.js b/build/release/mapv.v2.0.2.js
new file mode 100644
index 00000000..88c9462e
--- /dev/null
+++ b/build/release/mapv.v2.0.2.js
@@ -0,0 +1,3771 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (factory((global.mapv = global.mapv || {})));
+}(this, function (exports) { 'use strict';
+
+  var version = "2.0.1";
+
+  var classCallCheck = function (instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  };
+
+  var createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+  var X = function () {
+      function X(dom, opt) {
+          classCallCheck(this, X);
+
+          this.dom = dom;
+          this.opt = opt;
+          this.init();
+      }
+
+      createClass(X, [{
+          key: 'init',
+          value: function init() {
+              var zoom = 1;
+
+              var scene = new THREE.Scene();
+              var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.01, 10e7);
+              var renderer = new THREE.WebGLRenderer();
+
+              // add controls
+              var controls = new THREE.OrbitControls(camera, renderer.domElement);
+              controls.enableDamping = true;
+              controls.dampingFactor = 0.25;
+              // controls.enableZoom = false;
+              renderer.setSize(this.dom.clientWidth, this.dom.clientHeight);
+              this.dom.appendChild(renderer.domElement);
+
+              var geometry = new THREE.PlaneGeometry(80 * zoom, 50 * zoom, 10, 10);
+              var material = new THREE.MeshBasicMaterial({
+                  color: 0x585858,
+                  wireframe: true
+              });
+              var cube = window.cube = new THREE.Mesh(geometry, material);
+              cube.rotateX(-Math.PI / 2);
+              scene.add(cube);
+              camera.position.y = 50 * zoom;
+              camera.position.z = 50 * zoom;
+              camera.lookAt(new THREE.Vector3(0, 0, 0));
+
+              function render() {
+                  requestAnimationFrame(render);
+                  renderer.render(scene, camera);
+                  controls.update();
+              }
+              render();
+
+              var sizeZoom = this.opt.grid.size * zoom;
+
+              var gradeData = {};
+              var min = Infinity;
+              var max = -Infinity;
+              for (var i in data) {
+                  var x = parseInt(data[i].lng * zoom / sizeZoom) * sizeZoom;
+                  var y = parseInt(data[i].lat * zoom / sizeZoom) * sizeZoom;
+                  gradeData[x + '_' + y] = gradeData[x + '_' + y] || 0;
+                  gradeData[x + '_' + y]++;
+                  max = Math.max(max, gradeData[x + '_' + y]);
+                  min = Math.min(min, gradeData[x + '_' + y]);
+              }
+
+              // color~
+              var color = getColor();
+
+              var lines = new THREE.Object3D();
+              for (var i in gradeData) {
+                  var colorPersent = max == min ? 0 : (gradeData[i] - min) / (max - min);
+                  var colorInedx = parseInt(colorPersent * (color.length / 4)) - 1;
+                  colorInedx = colorInedx < 0 ? 0 : colorInedx;
+                  var r = color[colorInedx * 4].toString(16);
+                  r = r.length < 2 ? '0' + r : r;
+                  var g = color[colorInedx * 4 + 1].toString(16);
+                  g = g.length < 2 ? '0' + g : g;
+                  var b = color[colorInedx * 4 + 2].toString(16);
+                  b = b.length < 2 ? '0' + b : b;
+
+                  var height = gradeData[i] * 1.5;
+                  var geometry = new THREE.BoxGeometry(sizeZoom * 0.9, height, sizeZoom * 0.9);
+                  var material = new THREE.MeshBasicMaterial({
+                      color: '#' + r + g + b
+                  });
+                  var cube = new THREE.Mesh(geometry, material);
+                  var pos = i.split('_');
+                  cube.position.x = pos[0] - this.opt.center.lng * zoom;
+                  cube.position.y = height / 2;
+                  cube.position.z = this.opt.center.lat * zoom - pos[1];
+                  lines.add(cube);
+              }
+              scene.add(lines);
+          }
+      }]);
+      return X;
+  }();
+
+  function getColor() {
+      var canvas = document.createElement('canvas');
+      var ctx = canvas.getContext('2d');
+      var gradient = ctx.createLinearGradient(0, 0, 256, 0);
+      gradient.addColorStop(1, "#F00");
+      gradient.addColorStop(0.6, "#FFFC00");
+      gradient.addColorStop(0.3, "#00FF1D");
+      gradient.addColorStop(0, "#000BFF");
+      ctx.fillStyle = gradient;
+      ctx.fillRect(0, 0, 256, 1);
+      var data = ctx.getImageData(0, 0, 256, 1);
+      return data.data;
+  }
+
+  /**
+   * @author kyle / http://nikai.us/
+   */
+
+  /**
+   * Category
+   * @param {Object} [options]   Available options:
+   *                             {Object} gradient: { 0.25: "rgb(0,0,255)", 0.55: "rgb(0,255,0)", 0.85: "yellow", 1.0: "rgb(255,0,0)"}
+   */
+  function Intensity(options) {
+
+      options = options || {};
+      this.gradient = options.gradient || {
+          0.25: "rgba(0, 0, 255, 1)",
+          0.55: "rgba(0, 255, 0, 1)",
+          0.85: "rgba(255, 255, 0, 1)",
+          1.0: "rgba(255, 0, 0, 1)"
+      };
+      this.maxSize = options.maxSize || 35;
+      this.max = options.max || 100;
+      this.initPalette();
+  }
+
+  Intensity.prototype.initPalette = function () {
+
+      var gradient = this.gradient;
+
+      if (typeof document === 'undefined') {
+          var Canvas = require('canvas');
+          var paletteCanvas = new Canvas(256, 1);
+      } else {
+          var paletteCanvas = document.createElement('canvas');
+      }
+
+      paletteCanvas.width = 256;
+      paletteCanvas.height = 1;
+
+      var paletteCtx = this.paletteCtx = paletteCanvas.getContext('2d');
+
+      var lineGradient = paletteCtx.createLinearGradient(0, 0, 256, 1);
+
+      for (var key in gradient) {
+          lineGradient.addColorStop(parseFloat(key), gradient[key]);
+      }
+
+      paletteCtx.fillStyle = lineGradient;
+      paletteCtx.fillRect(0, 0, 256, 1);
+  };
+
+  Intensity.prototype.getColor = function (value) {
+
+      var max = this.max;
+
+      if (value > max) {
+          value = max;
+      }
+
+      var index = Math.floor(value / max * (256 - 1)) * 4;
+
+      var imageData = this.paletteCtx.getImageData(0, 0, 256, 1).data;
+
+      return "rgba(" + imageData[index] + ", " + imageData[index + 1] + ", " + imageData[index + 2] + ", " + imageData[index + 3] / 256 + ")";
+  };
+
+  /**
+   * @param Number value 
+   * @param Number max of value
+   * @param Number max of size
+   * @param Object other options
+   */
+  Intensity.prototype.getSize = function (value) {
+
+      var size = 0;
+      var max = this.max;
+      var maxSize = this.maxSize;
+
+      if (value > max) {
+          value = max;
+      }
+
+      size = value / max * maxSize;
+
+      return size;
+  };
+
+  function Flate(container) {
+
+      this.container = container;
+      this.init();
+
+      var that = this;
+
+      this.group = new THREE.Group();
+
+      this.center = [105, 33];
+
+      function animate(time) {
+          requestAnimationFrame(animate);
+
+          //that.controls.update();
+
+          that.render();
+      }
+
+      requestAnimationFrame(animate);
+  }
+
+  Flate.prototype.init = function () {
+      this.intensity = new Intensity({
+          gradient: {
+              0: '#006bab',
+              1: '#002841'
+          },
+          max: 100
+      });
+
+      var WIDTH = this.container.offsetWidth;
+      var HEIGHT = this.container.offsetHeight;
+      var camera = this.camera = new THREE.PerspectiveCamera(40, WIDTH / HEIGHT, 0.01, 9000);
+      camera.position.x = 0;
+      camera.position.y = 0;
+      camera.position.z = 85;
+      camera.lookAt(new THREE.Vector3(0, 0, 0));
+
+      var scene = this.scene = new THREE.Scene();
+
+      var renderer = this.renderer = new THREE.WebGLRenderer({
+          alpha: true
+      });
+
+      /*
+      var controls = this.controls = new THREE.OrbitControls( camera, renderer.domElement );
+      controls.enableDamping = true;
+      controls.dampingFactor = 0.25;
+      controls.enableZoom = true;
+      */
+
+      // renderer.setClearColor('rgb(1, 11, 21)', 1);
+      renderer.setPixelRatio(window.devicePixelRatio);
+      renderer.setSize(WIDTH, HEIGHT);
+
+      this.container.appendChild(renderer.domElement);
+
+      var floorTexture = THREE.ImageUtils.loadTexture('images/china.png');
+      var floorMaterial = new THREE.MeshBasicMaterial({
+          map: floorTexture,
+          transparent: true,
+          side: THREE.DoubleSide
+      });
+      var floorGeometry = new THREE.PlaneGeometry(100, 100, 1, 1);
+      var floor = new THREE.Mesh(floorGeometry, floorMaterial);
+      floor.position.x = 0;
+      floor.position.y = 0;
+      floor.position.z = 0;
+      //scene.add(floor);
+
+      // LIGHT
+      var light = new THREE.PointLight('rgb(50, 50, 250)');
+      light.position.set(0, 0, 35);
+      scene.add(light);
+
+      var SUBDIVISIONS = 20;
+      var geometry = new THREE.Geometry();
+      var curve = new THREE.QuadraticBezierCurve3();
+      curve.v0 = new THREE.Vector3(0, 0, 0);
+      curve.v1 = new THREE.Vector3(20, 20, 0);
+      curve.v2 = new THREE.Vector3(40, 40, 0);
+      for (var j = 0; j < SUBDIVISIONS; j++) {
+          geometry.vertices.push(curve.getPoint(j / SUBDIVISIONS));
+      }
+
+      var material = new THREE.LineBasicMaterial({ color: 0xff0000, linewidth: 95 });
+      var line = this.line = new THREE.Line(geometry, material);
+      //scene.add(line);
+
+      this.current = 0;
+  };
+
+  Flate.prototype.render = function () {
+
+      var SUBDIVISIONS = 50;
+      var geometry = new THREE.Geometry();
+      var curve = new THREE.QuadraticBezierCurve3();
+      curve.v0 = new THREE.Vector3(0, 0, 0);
+      curve.v1 = new THREE.Vector3(25, 25, 50);
+      curve.v2 = new THREE.Vector3(50, 50, 0);
+      this.current += 0.01;
+      if (this.current > 1) {
+          this.current = 0;
+      }
+
+      for (var j = 0; j < SUBDIVISIONS; j++) {
+          var percent = j / SUBDIVISIONS;
+          if (percent < this.current) {
+              geometry.vertices.push(curve.getPoint(percent));
+          }
+      }
+
+      //this.line.geometry = geometry;
+
+      this.renderer.render(this.scene, this.camera);
+  };
+
+  Flate.prototype.setDataSet = function (dataSet) {
+      // create a canvas element
+      var canvas = document.createElement('canvas');
+      var context = canvas.getContext('2d');
+      canvas.width = 50;
+      canvas.height = 50;
+      context.fillStyle = "rgba(255,255,50,0.75)";
+      //context.shadowColor = "rgba(255,255,255,0.95)";
+      //context.shadowBlur = 0;
+      context.arc(25, 25, 10, 0, Math.PI * 2);
+      context.fill();
+
+      // canvas contents will be used for a texture
+      var texture = new THREE.Texture(canvas);
+      texture.needsUpdate = true;
+
+      var material = new THREE.MeshBasicMaterial({ map: texture, side: THREE.DoubleSide });
+      material.transparent = true;
+
+      var rs = dataSet.get();
+      var features = rs;
+      for (var i = 0; i < features.length; i++) {
+          var feature = features[i];
+          if (feature.geometry.type == 'Polygon') {
+              var coords = this.getCoordinates(feature.geometry.coordinates[0]);
+              this.addShape(coords);
+          } else if (feature.geometry.type == 'MultiPolygon') {
+              for (var j = 0; j < feature.geometry.coordinates.length; j++) {
+                  var coords = this.getCoordinates(feature.geometry.coordinates[j][0]);
+                  this.addShape(coords);
+              }
+          } else if (feature.geometry.type == 'Point') {
+
+              var size = canvas.width / 15 + Math.random() * 4;
+              var mesh = new THREE.Mesh(new THREE.PlaneGeometry(size, size), material);
+              mesh.position.set(feature.geometry.coordinates[0] - this.center[0], feature.geometry.coordinates[1] - this.center[1], 1);
+              this.scene.add(mesh);
+          }
+
+          var cityname = feature.name;
+          var center = feature.cp;
+      }
+      this.scene.add(this.group);
+  };
+
+  Flate.prototype.getCoordinates = function (coordinates) {
+      var coords = [];
+      for (var j = 0; j < coordinates.length; j++) {
+          coords.push(new THREE.Vector2(coordinates[j][0] - this.center[0], coordinates[j][1] - this.center[1]));
+      }
+      return coords;
+  };
+
+  Flate.prototype.addShape = function (coords) {
+      var shape = new THREE.Shape(coords);
+      var geometry = new THREE.ShapeGeometry(shape);
+
+      var color = 'rgb(' + ~~(Math.random() * 256) + ', ' + ~~(Math.random() * 256) + ', ' + ~~(Math.random() * 256) + ')';
+      color = this.intensity.getColor(Math.random() * 100);
+      var mesh = new THREE.Mesh(geometry, new THREE.MeshBasicMaterial({ color: color, side: THREE.DoubleSide }));
+      mesh.position.set(0, 0, 0);
+      this.group.add(mesh);
+
+      var points = shape.createPointsGeometry();
+      var line = new THREE.Line(points, new THREE.LineBasicMaterial({ color: 'rgb(0, 137, 191)', linewidth: 1 }));
+      line.position.set(0, 0, 0.1);
+      this.group.add(line);
+  };
+
+  var flights = [[43.061306, 74.477556, 40.608989, 72.793269]];
+
+  var index = 100;
+  while (index--) {
+      flights.push([19.670399 + Math.random() * 35, 78.895343 + Math.random() * 50, 19.670399 + Math.random() * 35, 78.895343 + Math.random() * 50]);
+  }
+
+  var positions;
+  var start_flight_idx = 0;
+  var end_flight_idx = flights.length;
+  var flight_path_splines = [];
+  var flight_distance = [];
+  var flight_path_lines;
+  var flight_track_opacity = 0.32;
+  var flight_point_cloud_geom;
+  var flight_point_start_time = [];
+  var flight_point_end_time = [];
+  var flight_point_speed_changed = false;
+  var flight_point_speed_scaling = 5.0;
+  var flight_point_speed_min_scaling = 1.0;
+  var flight_point_speed_max_scaling = 25.0;
+
+  function Earth(container) {
+
+      this.container = container;
+      this.init();
+
+      var that = this;
+
+      function animate(time) {
+          requestAnimationFrame(animate);
+          that.render();
+      }
+
+      requestAnimationFrame(animate);
+  }
+
+  Earth.prototype.init = function () {
+      var WIDTH = this.container.offsetWidth;
+      var HEIGHT = this.container.offsetHeight;
+      var camera = this.camera = new THREE.PerspectiveCamera(40, WIDTH / HEIGHT, 0.01, 9000);
+      camera.position.z = 1.0;
+
+      var scene = this.scene = new THREE.Scene();
+
+      var renderer = this.renderer = new THREE.WebGLRenderer({
+          alpha: true
+      });
+      // renderer.setClearColor('rgb(1, 11, 21)', 1);
+      renderer.setPixelRatio(window.devicePixelRatio);
+      renderer.setSize(WIDTH, HEIGHT);
+
+      this.container.appendChild(renderer.domElement);
+
+      // LIGHT
+      /*
+      var light = new THREE.PointLight('rgb(50, 50, 250)');
+      light.position.set(0, 0, 35);
+      scene.add(light);
+      */
+
+      scene.add(new THREE.AmbientLight(0x777777));
+
+      var light1 = new THREE.DirectionalLight(0xffffff, 0.2);
+      light1.position.set(5, 3, 5);
+      scene.add(light1);
+
+      var light2 = new THREE.DirectionalLight(0xffffff, 0.2);
+      light2.position.set(5, 3, -5);
+      scene.add(light2);
+
+      var earth_img, elevation_img, water_img;
+      var radius = 0.5;
+      var segments = 64;
+      earth_img = THREE.ImageUtils.loadTexture('images/earth_airports.png', THREE.UVMapping, function () {
+          elevation_img = THREE.ImageUtils.loadTexture('images/elevation.jpg', THREE.UVMapping, function () {
+              water_img = THREE.ImageUtils.loadTexture('images/water.png', THREE.UVMapping, function () {
+                  var earth = new THREE.Mesh(new THREE.SphereGeometry(radius, segments, segments), new THREE.MeshPhongMaterial({
+                      map: earth_img,
+                      bumpMap: elevation_img,
+                      bumpScale: 0.01,
+                      specularMap: water_img,
+                      specular: new THREE.Color('grey')
+                  }));
+                  earth.rotation.y = 170 * (Math.PI / 180);
+                  earth.rotation.x = 30 * (Math.PI / 180);
+                  scene.add(earth);
+
+                  generateControlPoints(radius);
+
+                  flight_path_lines = flightPathLines();
+                  earth.add(flight_path_lines);
+
+                  earth.add(flightPointCloud());
+              });
+          });
+      });
+  };
+
+  Earth.prototype.render = function () {
+      update_flights();
+
+      this.renderer.render(this.scene, this.camera);
+  };
+
+  Earth.prototype.setDataSet = function (dataSet) {
+      console.log(dataSet.get());
+  };
+
+  function generateControlPoints(radius) {
+      for (var f = start_flight_idx; f < end_flight_idx; ++f) {
+
+          var start_lat = flights[f][0];
+          var start_lng = flights[f][1];
+          var end_lat = flights[f][2];
+          var end_lng = flights[f][3];
+
+          var max_height = Math.random() * 0.04;
+
+          var points = [];
+          var spline_control_points = 8;
+          for (var i = 0; i < spline_control_points + 1; i++) {
+              var arc_angle = i * 180.0 / spline_control_points;
+              var arc_radius = radius + Math.sin(arc_angle * Math.PI / 180.0) * max_height;
+              var latlng = latlngInterPoint(start_lat, start_lng, end_lat, end_lng, i / spline_control_points);
+
+              var pos = xyzFromLatLng(latlng.lat, latlng.lng, arc_radius);
+
+              points.push(new THREE.Vector3(pos.x, pos.y, pos.z));
+          }
+
+          var spline = new THREE.SplineCurve3(points);
+
+          flight_path_splines.push(spline);
+
+          var arc_length = spline.getLength();
+          flight_distance.push(arc_length);
+
+          setFlightTimes(f);
+      }
+  }
+
+  function latlngInterPoint(lat1, lng1, lat2, lng2, offset) {
+      lat1 = lat1 * Math.PI / 180.0;
+      lng1 = lng1 * Math.PI / 180.0;
+      lat2 = lat2 * Math.PI / 180.0;
+      lng2 = lng2 * Math.PI / 180.0;
+
+      var d = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin((lat1 - lat2) / 2), 2) + Math.cos(lat1) * Math.cos(lat2) * Math.pow(Math.sin((lng1 - lng2) / 2), 2)));
+      var A = Math.sin((1 - offset) * d) / Math.sin(d);
+      var B = Math.sin(offset * d) / Math.sin(d);
+      var x = A * Math.cos(lat1) * Math.cos(lng1) + B * Math.cos(lat2) * Math.cos(lng2);
+      var y = A * Math.cos(lat1) * Math.sin(lng1) + B * Math.cos(lat2) * Math.sin(lng2);
+      var z = A * Math.sin(lat1) + B * Math.sin(lat2);
+      var lat = Math.atan2(z, Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2))) * 180 / Math.PI;
+      var lng = Math.atan2(y, x) * 180 / Math.PI;
+
+      return {
+          lat: lat,
+          lng: lng
+      };
+  }
+
+  function xyzFromLatLng(lat, lng, radius) {
+      var phi = (90 - lat) * Math.PI / 180;
+      var theta = (360 - lng) * Math.PI / 180;
+
+      return {
+          x: radius * Math.sin(phi) * Math.cos(theta),
+          y: radius * Math.cos(phi),
+          z: radius * Math.sin(phi) * Math.sin(theta)
+      };
+  }
+
+  function flightPathLines() {
+
+      var num_control_points = 32;
+
+      var geometry = new THREE.BufferGeometry();
+      var material = new THREE.LineBasicMaterial({
+          color: 0xffff00,
+          vertexColors: THREE.VertexColors,
+          transparent: true,
+          opacity: flight_track_opacity,
+          depthTest: true,
+          depthWrite: false,
+          linewidth: 1.0001
+      });
+      var line_positions = new Float32Array(flights.length * 3 * 2 * num_control_points);
+      var colors = new Float32Array(flights.length * 3 * 2 * num_control_points);
+
+      for (var i = start_flight_idx; i < end_flight_idx; ++i) {
+
+          for (var j = 0; j < num_control_points - 1; ++j) {
+
+              var start_pos = flight_path_splines[i].getPoint(j / (num_control_points - 1));
+              var end_pos = flight_path_splines[i].getPoint((j + 1) / (num_control_points - 1));
+
+              line_positions[(i * num_control_points + j) * 6 + 0] = start_pos.x;
+              line_positions[(i * num_control_points + j) * 6 + 1] = start_pos.y;
+              line_positions[(i * num_control_points + j) * 6 + 2] = start_pos.z;
+              line_positions[(i * num_control_points + j) * 6 + 3] = end_pos.x;
+              line_positions[(i * num_control_points + j) * 6 + 4] = end_pos.y;
+              line_positions[(i * num_control_points + j) * 6 + 5] = end_pos.z;
+
+              colors[(i * num_control_points + j) * 6 + 0] = 1.0;
+              colors[(i * num_control_points + j) * 6 + 1] = 0.4;
+              colors[(i * num_control_points + j) * 6 + 2] = 1.0;
+              colors[(i * num_control_points + j) * 6 + 3] = 1.0;
+              colors[(i * num_control_points + j) * 6 + 4] = 0.4;
+              colors[(i * num_control_points + j) * 6 + 5] = 1.0;
+          }
+      }
+
+      geometry.addAttribute('position', new THREE.BufferAttribute(line_positions, 3));
+      geometry.addAttribute('color', new THREE.BufferAttribute(colors, 3));
+
+      geometry.computeBoundingSphere();
+
+      return new THREE.Line(geometry, material, THREE.LinePieces);
+  }
+
+  function flightPointCloud() {
+      flight_point_cloud_geom = new THREE.BufferGeometry();
+
+      var num_points = flights.length;
+
+      positions = new Float32Array(num_points * 3);
+      var colors = new Float32Array(num_points * 3);
+      var sizes = new Float32Array(num_points);
+
+      for (var i = 0; i < num_points; i++) {
+          positions[3 * i + 0] = 0;
+          positions[3 * i + 1] = 0;
+          positions[3 * i + 2] = 0;
+
+          colors[3 * i + 0] = Math.random();
+          colors[3 * i + 1] = Math.random();
+          colors[3 * i + 2] = Math.random();
+
+          sizes[i] = 0.1;
+      }
+
+      flight_point_cloud_geom.addAttribute('position', new THREE.BufferAttribute(positions, 3));
+      flight_point_cloud_geom.addAttribute('customColor', new THREE.BufferAttribute(colors, 3));
+      flight_point_cloud_geom.addAttribute('size', new THREE.BufferAttribute(sizes, 1));
+      flight_point_cloud_geom.computeBoundingBox();
+
+      var attributes = {
+          size: {
+              type: 'f',
+              value: null
+          },
+          customColor: {
+              type: 'c',
+              value: null
+          }
+      };
+
+      var uniforms = {
+          color: {
+              type: "c",
+              value: new THREE.Color(0xffffff)
+          },
+          texture: {
+              type: "t",
+              value: THREE.ImageUtils.loadTexture("images/point.png")
+          }
+      };
+
+      var shaderMaterial = new THREE.ShaderMaterial({
+          uniforms: uniforms,
+          //attributes: attributes,
+          vertexShader: document.getElementById('vertexshader').textContent,
+          fragmentShader: document.getElementById('fragmentshader').textContent,
+          blending: THREE.AdditiveBlending,
+          depthTest: true,
+          depthWrite: false,
+          transparent: true
+      });
+
+      return new THREE.Points(flight_point_cloud_geom, shaderMaterial);
+  }
+
+  function update_flights() {
+      if (!flight_point_cloud_geom) {
+          return;
+      }
+      flight_point_cloud_geom.attributes.position.needsUpdate = true;
+
+      for (var i = start_flight_idx; i < end_flight_idx; ++i) {
+
+          if (Date.now() > flight_point_start_time[i]) {
+              var ease_val = easeOutQuadratic(Date.now() - flight_point_start_time[i], 0, 1, flight_point_end_time[i] - flight_point_start_time[i]);
+
+              if (ease_val < 0 || flight_point_speed_changed) {
+                  ease_val = 0;
+                  setFlightTimes(i);
+              }
+
+              var pos = flight_path_splines[i].getPoint(ease_val);
+              positions[3 * i + 0] = pos.x;
+              positions[3 * i + 1] = pos.y;
+              positions[3 * i + 2] = pos.z;
+          }
+      }
+  }
+
+  function setFlightTimes(index) {
+      var scaling_factor = (flight_point_speed_scaling - flight_point_speed_min_scaling) / (flight_point_speed_max_scaling - flight_point_speed_min_scaling);
+      var duration = (1 - scaling_factor) * flight_distance[index] * 80000;
+
+      var start_time = Date.now() + Math.random() * 5000;
+      flight_point_start_time[index] = start_time;
+      flight_point_end_time[index] = start_time + duration;
+  }
+
+  function easeOutQuadratic(t, b, c, d) {
+      if ((t /= d / 2) < 1) return c / 2 * t * t + b;
+      return -c / 2 * (--t * (t - 2) - 1) + b;
+  }
+
+  /**
+   * @author kyle / http://nikai.us/
+   */
+
+  function clear (context) {
+      context.clearRect(0, 0, context.canvas.width, context.canvas.height);
+      //context.canvas.width = context.canvas.width;
+      //context.canvas.height = context.canvas.height;
+  }
+
+  /**
+   * @author kyle / http://nikai.us/
+   */
+
+  function resolutionScale (context) {
+      var devicePixelRatio = window.devicePixelRatio;
+      context.canvas.width = context.canvas.width * devicePixelRatio;
+      context.canvas.height = context.canvas.height * devicePixelRatio;
+      context.canvas.style.width = context.canvas.width / devicePixelRatio + 'px';
+      context.canvas.style.height = context.canvas.height / devicePixelRatio + 'px';
+      context.scale(devicePixelRatio, devicePixelRatio);
+  }
+
+  function Event() {
+    this._subscribers = {}; // event subscribers
+  }
+
+  /**
+   * Subscribe to an event, add an event listener
+   * @param {String} event        Event name. Available events: 'put', 'update',
+   *                              'remove'
+   * @param {function} callback   Callback method. Called with three parameters:
+   *                                  {String} event
+   *                                  {Object | null} params
+   *                                  {String | Number} senderId
+   */
+  Event.prototype.on = function (event, callback) {
+    var subscribers = this._subscribers[event];
+    if (!subscribers) {
+      subscribers = [];
+      this._subscribers[event] = subscribers;
+    }
+
+    subscribers.push({
+      callback: callback
+    });
+  };
+
+  /**
+   * Unsubscribe from an event, remove an event listener
+   * @param {String} event
+   * @param {function} callback
+   */
+  Event.prototype.off = function (event, callback) {
+    var subscribers = this._subscribers[event];
+    if (subscribers) {
+      //this._subscribers[event] = subscribers.filter(listener => listener.callback != callback);
+      for (var i = 0; i < subscribers.length; i++) {
+        if (subscribers[i].callback == callback) {
+          subscribers.splice(i, 1);
+          i--;
+        }
+      }
+    }
+  };
+
+  /**
+   * Trigger an event
+   * @param {String} event
+   * @param {Object | null} params
+   * @param {String} [senderId]       Optional id of the sender.
+   * @private
+   */
+  Event.prototype._trigger = function (event, params, senderId) {
+    if (event == '*') {
+      throw new Error('Cannot trigger event *');
+    }
+
+    var subscribers = [];
+    if (event in this._subscribers) {
+      subscribers = subscribers.concat(this._subscribers[event]);
+    }
+    if ('*' in this._subscribers) {
+      subscribers = subscribers.concat(this._subscribers['*']);
+    }
+
+    for (var i = 0, len = subscribers.length; i < len; i++) {
+      var subscriber = subscribers[i];
+      if (subscriber.callback) {
+        subscriber.callback(event, params, senderId || null);
+      }
+    }
+  };
+
+  /**
+   * DataSet
+   *
+   * A data set can:
+   * - add/remove/update data
+   * - gives triggers upon changes in the data
+   * - can  import/export data in various data formats
+   * @param {Array} [data]    Optional array with initial data
+   * the field geometry is like geojson, it can be:
+   * {
+   *     "type": "Point",
+   *     "coordinates": [125.6, 10.1]
+   * }
+   * {
+   *     "type": "LineString",
+   *     "coordinates": [
+   *         [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0]
+   *     ]
+   * }
+   * {
+   *     "type": "Polygon",
+   *     "coordinates": [
+   *         [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0],
+   *           [100.0, 1.0], [100.0, 0.0] ]
+   *     ]
+   * }
+   * @param {Object} [options]   Available options:
+   * 
+   */
+  function DataSet(data, options) {
+
+      this._options = options || {};
+      this._data = []; // map with data indexed by id
+
+      // add initial data when provided
+      if (data) {
+          this.add(data);
+      }
+  }
+
+  DataSet.prototype = new Event();
+
+  /**
+   * Add data.
+   */
+  DataSet.prototype.add = function (data, senderId) {
+      if (Array.isArray(data)) {
+          // Array
+          for (var i = 0, len = data.length; i < len; i++) {
+              this._data.push(data[i]);
+          }
+      } else if (data instanceof Object) {
+          // Single item
+          this._data.push(data);
+      } else {
+          throw new Error('Unknown dataType');
+      }
+  };
+
+  /**
+   * get data.
+   */
+  DataSet.prototype.get = function (args) {
+      args = args || {};
+
+      //console.time('copy data time')
+      var start = new Date();
+      // TODO: 不修改原始数据，在数据上挂载新的名称，每次修改数据直接修改新名称下的数据，可以省去deepCopy
+      // var data = deepCopy(this._data);
+      var data = this._data;
+
+      //console.timeEnd('copy data time')
+
+      //console.time('transferCoordinate time')
+
+      var start = new Date();
+
+      if (args.filter) {
+          var newData = [];
+          for (var i = 0; i < data.length; i++) {
+              if (args.filter(data[i])) {
+                  newData.push(data[i]);
+              }
+          }
+          data = newData;
+      }
+
+      if (args.transferCoordinate) {
+          data = this.transferCoordinate(data, args.transferCoordinate);
+      }
+
+      //console.timeEnd('transferCoordinate time')
+
+      return data;
+  };
+
+  /**
+   * set data.
+   */
+  DataSet.prototype.set = function (data) {
+      this.clear();
+      this.add(data);
+      this._trigger('change');
+  };
+
+  /**
+   * clear data.
+   */
+  DataSet.prototype.clear = function (args) {
+      this._data = []; // map with data indexed by id
+  };
+
+  /**
+   * remove data.
+   */
+  DataSet.prototype.remove = function (args) {};
+
+  /**
+   * update data.
+   */
+  DataSet.prototype.update = function (args) {};
+
+  /**
+   * transfer coordinate.
+   */
+  DataSet.prototype.transferCoordinate = function (data, transferFn) {
+
+      for (var i = 0; i < data.length; i++) {
+
+          var item = data[i];
+
+          if (data[i].geometry) {
+
+              if (data[i].geometry.type === 'Point') {
+                  var coordinates = data[i].geometry.coordinates;
+                  data[i].geometry._coordinates = transferFn(coordinates);
+              }
+
+              if (data[i].geometry.type === 'Polygon' || data[i].geometry.type === 'MultiPolygon') {
+
+                  var coordinates = data[i].geometry.coordinates;
+
+                  if (data[i].geometry.type === 'Polygon') {
+
+                      var newCoordinates = getPolygon(coordinates);
+                      data[i].geometry._coordinates = newCoordinates;
+                  } else if (data[i].geometry.type === 'MultiPolygon') {
+                      var newCoordinates = [];
+                      for (var c = 0; c < coordinates.length; c++) {
+                          var polygon = coordinates[c];
+                          var polygon = getPolygon(polygon);
+                          newCoordinates.push(polygon);
+                      }
+
+                      data[i].geometry._coordinates = newCoordinates;
+                  }
+              }
+
+              if (data[i].geometry.type === 'LineString') {
+                  var coordinates = data[i].geometry.coordinates;
+                  var newCoordinates = [];
+                  for (var j = 0; j < coordinates.length; j++) {
+                      newCoordinates.push(transferFn(coordinates[j]));
+                  }
+                  data[i].geometry._coordinates = newCoordinates;
+              }
+          }
+      }
+
+      function getPolygon(coordinates) {
+          var newCoordinates = [];
+          for (var c = 0; c < coordinates.length; c++) {
+              var coordinate = coordinates[c];
+              var newcoordinate = [];
+              for (var j = 0; j < coordinate.length; j++) {
+                  newcoordinate.push(transferFn(coordinate[j]));
+              }
+              newCoordinates.push(newcoordinate);
+          }
+          return newCoordinates;
+      }
+
+      return data;
+  };
+
+  DataSet.prototype.initGeometry = function (transferFn) {
+      if (transferFn) {
+          this._data.forEach(function (item) {
+              item.geometry = transferFn(item);
+          });
+      } else {
+          this._data.forEach(function (item) {
+              if (!item.geometry && item.lng && item.lat) {
+                  item.geometry = {
+                      type: 'Point',
+                      coordinates: [item.lng, item.lat]
+                  };
+              }
+          });
+      }
+  };
+
+  /**
+   * 获取当前列的最大值
+   */
+  DataSet.prototype.getMax = function (columnName) {
+      var data = this._data;
+
+      if (!data || data.length <= 0) {
+          return;
+      }
+
+      var max = data[0][columnName];
+
+      for (var i = 1; i < data.length; i++) {
+          if (data[i][columnName] > max) {
+              max = data[i][columnName];
+          }
+      }
+
+      return max;
+  };
+
+  /**
+   * 获取当前列的最小值
+   */
+  DataSet.prototype.getMin = function (columnName) {
+      var data = this._data;
+
+      if (!data || data.length <= 0) {
+          return;
+      }
+
+      var min = data[0][columnName];
+
+      for (var i = 1; i < data.length; i++) {
+          if (data[i][columnName] < min) {
+              min = data[i][columnName];
+          }
+      }
+
+      return min;
+  };
+
+  var pathSimple = {
+      drawDataSet: function drawDataSet(context, dataSet, options) {
+
+          var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
+
+          for (var i = 0, len = data.length; i < len; i++) {
+              var item = data[i];
+              this.draw(context, item, options);
+          }
+      },
+      draw: function draw(context, data, options) {
+          var type = data.geometry.type;
+          var coordinates = data.geometry._coordinates || data.geometry.coordinates;
+          var symbol = options.symbol || 'circle';
+          switch (type) {
+              case 'Point':
+                  var size = data._size || data.size || options._size || options.size || 5;
+                  context.moveTo(data.x, data.y);
+                  if (options.symbol === 'rect') {
+                      context.rect(coordinates[0] - size / 2, coordinates[1] - size / 2, size, size);
+                  } else {
+                      context.arc(coordinates[0], coordinates[1], size, 0, Math.PI * 2);
+                  }
+                  break;
+              case 'LineString':
+                  for (var j = 0; j < coordinates.length; j++) {
+                      var x = coordinates[j][0];
+                      var y = coordinates[j][1];
+                      if (j == 0) {
+                          context.moveTo(x, y);
+                      } else {
+                          context.lineTo(x, y);
+                      }
+                  }
+                  break;
+              case 'Polygon':
+                  this.drawPolygon(context, coordinates);
+                  break;
+              case 'MultiPolygon':
+                  for (var i = 0; i < coordinates.length; i++) {
+                      var polygon = coordinates[i];
+                      this.drawPolygon(context, polygon);
+                  }
+                  context.closePath();
+                  break;
+              default:
+                  console.log('type' + type + 'is not support now!');
+                  break;
+          }
+      },
+
+      drawPolygon: function drawPolygon(context, coordinates) {
+
+          for (var i = 0; i < coordinates.length; i++) {
+
+              var coordinate = coordinates[i];
+
+              context.moveTo(coordinate[0][0], coordinate[0][1]);
+              for (var j = 1; j < coordinate.length; j++) {
+                  context.lineTo(coordinate[j][0], coordinate[j][1]);
+              }
+              context.lineTo(coordinate[0][0], coordinate[0][1]);
+          }
+      }
+
+  };
+
+  var drawSimple = {
+      draw: function draw(context, dataSet, options) {
+          var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
+          // console.log('xxxx',options)
+          context.save();
+
+          for (var key in options) {
+              context[key] = options[key];
+          }
+
+          // console.log(data);
+          if (options.bigData) {
+              context.save();
+              context.beginPath();
+
+              for (var i = 0, len = data.length; i < len; i++) {
+
+                  var item = data[i];
+
+                  pathSimple.draw(context, item, options);
+              };
+
+              var type = options.bigData;
+
+              if (type == 'Point' || type == 'Polygon' || type == 'MultiPolygon') {
+
+                  context.fill();
+
+                  if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
+                      context.stroke();
+                  }
+              } else if (type == 'LineString') {
+                  context.stroke();
+              }
+
+              context.restore();
+          } else {
+              for (var i = 0, len = data.length; i < len; i++) {
+
+                  var item = data[i];
+
+                  context.save();
+
+                  if (item.fillStyle) {
+                      context.fillStyle = item.fillStyle;
+                  }
+
+                  if (item.strokeStyle) {
+                      context.strokeStyle = item.strokeStyle;
+                  }
+
+                  var type = item.geometry.type;
+
+                  context.beginPath();
+
+                  pathSimple.draw(context, item, options);
+
+                  if (type == 'Point' || type == 'Polygon' || type == 'MultiPolygon') {
+
+                      context.fill();
+
+                      if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
+                          context.stroke();
+                      }
+                  } else if (type == 'LineString') {
+                      context.stroke();
+                  }
+
+                  context.restore();
+              };
+          }
+
+          context.restore();
+      }
+  };
+
+  /**
+   * @author kyle / http://nikai.us/
+   */
+
+  var utilsColorPalette = {
+      getImageData: function getImageData(config) {
+          var gradientConfig = config.gradient || config.defaultGradient;
+          if (typeof document === 'undefined') {
+              var Canvas = require('canvas');
+              var paletteCanvas = new Canvas(256, 1);
+          } else {
+              var paletteCanvas = document.createElement('canvas');
+          }
+          var paletteCtx = paletteCanvas.getContext('2d');
+
+          paletteCanvas.width = 256;
+          paletteCanvas.height = 1;
+
+          var gradient = paletteCtx.createLinearGradient(0, 0, 256, 1);
+          for (var key in gradientConfig) {
+              gradient.addColorStop(parseFloat(key), gradientConfig[key]);
+          }
+
+          paletteCtx.fillStyle = gradient;
+          paletteCtx.fillRect(0, 0, 256, 1);
+
+          return paletteCtx.getImageData(0, 0, 256, 1).data;
+      }
+  };
+
+  function createCircle(size) {
+
+      if (typeof document === 'undefined') {
+          var Canvas = require('canvas');
+          var circle = new Canvas();
+      } else {
+          var circle = document.createElement('canvas');
+      }
+      var context = circle.getContext('2d');
+      var shadowBlur = size / 2;
+      var r2 = size + shadowBlur;
+      var offsetDistance = 10000;
+
+      circle.width = circle.height = r2 * 2;
+
+      context.shadowBlur = shadowBlur;
+      context.shadowColor = 'black';
+      context.shadowOffsetX = context.shadowOffsetY = offsetDistance;
+
+      context.beginPath();
+      context.arc(r2 - offsetDistance, r2 - offsetDistance, size, 0, Math.PI * 2, true);
+      context.closePath();
+      context.fill();
+      return circle;
+  }
+
+  function colorize(pixels, gradient, options) {
+
+      var maxOpacity = options.maxOpacity || 0.8;
+      for (var i = 3, len = pixels.length, j; i < len; i += 4) {
+          j = pixels[i] * 4; // get gradient color from opacity value
+
+          if (pixels[i] / 256 > maxOpacity) {
+              pixels[i] = 256 * maxOpacity;
+          }
+
+          pixels[i - 3] = gradient[j];
+          pixels[i - 2] = gradient[j + 1];
+          pixels[i - 1] = gradient[j + 2];
+      }
+  }
+
+  function drawGray(context, dataSet, options) {
+
+      var max = options.max || 100;
+      // console.log(max)
+      var size = options._size;
+      if (size == undefined) {
+          size = options.size;
+          if (size == undefined) {
+              size = 13;
+          }
+      }
+
+      var color = new Intensity({
+          gradient: options.gradient,
+          max: max
+      });
+
+      var circle = createCircle(size);
+
+      var data = dataSet;
+
+      var dataOrderByAlpha = {};
+
+      data.forEach(function (item, index) {
+          var count = item.count === undefined ? 1 : item.count;
+          var alpha = Math.min(1, count / max).toFixed(2);
+          dataOrderByAlpha[alpha] = dataOrderByAlpha[alpha] || [];
+          dataOrderByAlpha[alpha].push(item);
+      });
+
+      for (var i in dataOrderByAlpha) {
+          if (isNaN(i)) continue;
+          var _data = dataOrderByAlpha[i];
+          context.beginPath();
+          if (!options.withoutAlpha) {
+              context.globalAlpha = i;
+          }
+          _data.forEach(function (item, index) {
+              if (!item.geometry) {
+                  return;
+              }
+
+              var coordinates = item.geometry._coordinates || item.geometry.coordinates;
+              var type = item.geometry.type;
+              if (type === 'Point') {
+                  var count = item.count === undefined ? 1 : item.count;
+                  context.globalAlpha = count / max;
+                  context.drawImage(circle, coordinates[0] - circle.width / 2, coordinates[1] - circle.height / 2);
+              } else if (type === 'LineString') {
+                  pathSimple.draw(context, item, options);
+              } else if (type === 'Polygon') {}
+          });
+          // console.warn(i, i * max, color.getColor(i * max))
+          context.strokeStyle = color.getColor(i * max);
+          context.stroke();
+      }
+  }
+
+  function draw(context, dataSet, options) {
+      var strength = options.strength || 0.3;
+      context.strokeStyle = 'rgba(0,0,0,' + strength + ')';
+
+      options = options || {};
+
+      var data = dataSet.get();
+
+      context.save();
+      console.time('drawGray');
+      drawGray(context, data, options);
+      console.timeEnd('drawGray');
+      // return false;
+      if (!options.absolute) {
+          console.time('changeColor');
+          var colored = context.getImageData(0, 0, context.canvas.width, context.canvas.height);
+          colorize(colored.data, utilsColorPalette.getImageData({
+              defaultGradient: options.gradient || {
+                  0.25: "rgba(0, 0, 255, 1)",
+                  0.55: "rgba(0, 255, 0, 1)",
+                  0.85: "rgba(255, 255, 0, 1)",
+                  1.0: "rgba(255, 0, 0, 1)"
+              }
+          }), options);
+          console.timeEnd('changeColor');
+          context.putImageData(colored, 0, 0);
+
+          context.restore();
+      }
+  }
+
+  var drawHeatmap = {
+      draw: draw
+  };
+
+  var drawGrid = {
+      draw: function draw(context, dataSet, options) {
+
+          context.save();
+
+          var data = dataSet.get();
+
+          var grids = {};
+
+          var size = options._size || options.size || 50;
+
+          var offset = options.offset || {
+              x: 0,
+              y: 0
+          };
+
+          for (var i = 0; i < data.length; i++) {
+              var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
+              var gridKey = Math.floor((coordinates[0] - offset.x) / size) + "," + Math.floor((coordinates[1] - offset.y) / size);
+              if (!grids[gridKey]) {
+                  grids[gridKey] = 0;
+              }
+              grids[gridKey] += ~~(data[i].count || 1);
+          }
+
+          for (var gridKey in grids) {
+              gridKey = gridKey.split(",");
+
+              var intensity = new Intensity({
+                  max: options.max || 100,
+                  gradient: options.gradient
+              });
+
+              context.beginPath();
+              context.rect(gridKey[0] * size + .5 + offset.x, gridKey[1] * size + .5 + offset.y, size, size);
+              context.fillStyle = intensity.getColor(grids[gridKey]);
+              context.fill();
+              if (options.showText) {
+                  context.fillStyle = 'white';
+                  context.fillText(grids[gridKey], gridKey[0] * size + .5 + offset.x + size / 2, gridKey[1] * size + .5 + offset.y + size / 2);
+              }
+              if (options.strokeStyle && options.lineWidth) {
+                  context.stroke();
+              }
+          }
+
+          context.restore();
+      }
+  };
+
+  function hex_corner(center, size, i) {
+      var angle_deg = 60 * i + 30;
+      var angle_rad = Math.PI / 180 * angle_deg;
+      return [center.x + size * Math.cos(angle_rad), center.y + size * Math.sin(angle_rad)];
+  }
+
+  var drawHoneycomb = {
+      draw: function draw(context, dataSet, options) {
+
+          context.save();
+
+          var data = dataSet.get();
+
+          for (var key in options) {
+              context[key] = options[key];
+          }
+
+          var grids = {};
+
+          var offset = options.offset || {
+              x: 10,
+              y: 10
+          };
+
+          //
+          var r = options._size || options.size || 40;
+          r = r / 2 / Math.sin(Math.PI / 3);
+          var dx = r * 2 * Math.sin(Math.PI / 3);
+          var dy = r * 1.5;
+
+          var binsById = {};
+
+          for (var i = 0; i < data.length; i++) {
+              var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
+              var py = (coordinates[1] - offset.y) / dy,
+                  pj = Math.round(py),
+                  px = (coordinates[0] - offset.x) / dx - (pj & 1 ? .5 : 0),
+                  pi = Math.round(px),
+                  py1 = py - pj;
+
+              if (Math.abs(py1) * 3 > 1) {
+                  var px1 = px - pi,
+                      pi2 = pi + (px < pi ? -1 : 1) / 2,
+                      pj2 = pj + (py < pj ? -1 : 1),
+                      px2 = px - pi2,
+                      py2 = py - pj2;
+                  if (px1 * px1 + py1 * py1 > px2 * px2 + py2 * py2) pi = pi2 + (pj & 1 ? 1 : -1) / 2, pj = pj2;
+              }
+
+              var id = pi + "-" + pj,
+                  bin = binsById[id];
+              if (bin) {
+                  bin.push(data[i]);
+              } else {
+                  bin = binsById[id] = [data[i]];
+                  bin.i = pi;
+                  bin.j = pj;
+                  bin.x = (pi + (pj & 1 ? 1 / 2 : 0)) * dx;
+                  bin.y = pj * dy;
+              }
+          }
+
+          var intensity = new Intensity({
+              max: options.max || 100,
+              maxSize: r,
+              gradient: options.gradient
+          });
+
+          for (var key in binsById) {
+
+              var item = binsById[key];
+
+              context.beginPath();
+
+              for (var j = 0; j < 6; j++) {
+
+                  var radius = r;
+
+                  var result = hex_corner({
+                      x: item.x + offset.x,
+                      y: item.y + offset.y
+                  }, radius, j);
+                  context.lineTo(result[0], result[1]);
+              }
+              context.closePath();
+
+              var count = 0;
+              for (var i = 0; i < item.length; i++) {
+                  count += item[i].count || 1;
+              }
+
+              context.fillStyle = intensity.getColor(count);
+              context.fill();
+              if (options.strokeStyle && options.lineWidth) {
+                  context.stroke();
+              }
+          }
+
+          context.restore();
+      }
+  };
+
+  /**
+   * get the center by the city name
+   * @author kyle / http://nikai.us/
+   */
+
+  var citycenter = { municipalities: [{ n: "北京", g: "116.395645,39.929986|12" }, { n: "上海", g: "121.487899,31.249162|12" }, { n: "天津", g: "117.210813,39.14393|12" }, { n: "重庆", g: "106.530635,29.544606|12" }], provinces: [{ n: "安徽", g: "117.216005,31.859252|8", cities: [{ n: "合肥", g: "117.282699,31.866942|12" }, { n: "安庆", g: "117.058739,30.537898|13" }, { n: "蚌埠", g: "117.35708,32.929499|13" }, { n: "亳州", g: "115.787928,33.871211|13" }, { n: "巢湖", g: "117.88049,31.608733|13" }, { n: "池州", g: "117.494477,30.660019|14" }, { n: "滁州", g: "118.32457,32.317351|13" }, { n: "阜阳", g: "115.820932,32.901211|13" }, { n: "淮北", g: "116.791447,33.960023|13" }, { n: "淮南", g: "117.018639,32.642812|13" }, { n: "黄山", g: "118.29357,29.734435|13" }, { n: "六安", g: "116.505253,31.755558|13" }, { n: "马鞍山", g: "118.515882,31.688528|13" }, { n: "宿州", g: "116.988692,33.636772|13" }, { n: "铜陵", g: "117.819429,30.94093|14" }, { n: "芜湖", g: "118.384108,31.36602|12" }, { n: "宣城", g: "118.752096,30.951642|13" }] }, { n: "福建", g: "117.984943,26.050118|8", cities: [{ n: "福州", g: "119.330221,26.047125|12" }, { n: "龙岩", g: "117.017997,25.078685|13" }, { n: "南平", g: "118.181883,26.643626|13" }, { n: "宁德", g: "119.542082,26.656527|14" }, { n: "莆田", g: "119.077731,25.44845|13" }, { n: "泉州", g: "118.600362,24.901652|12" }, { n: "三明", g: "117.642194,26.270835|14" }, { n: "厦门", g: "118.103886,24.489231|12" }, { n: "漳州", g: "117.676205,24.517065|12" }] }, { n: "甘肃", g: "102.457625,38.103267|6", cities: [{ n: "兰州", g: "103.823305,36.064226|12" }, { n: "白银", g: "104.171241,36.546682|13" }, { n: "定西", g: "104.626638,35.586056|13" }, { n: "甘南州", g: "102.917442,34.992211|14" }, { n: "嘉峪关", g: "98.281635,39.802397|13" }, { n: "金昌", g: "102.208126,38.516072|13" }, { n: "酒泉", g: "98.508415,39.741474|13" }, { n: "临夏州", g: "103.215249,35.598514|13" }, { n: "陇南", g: "104.934573,33.39448|14" }, { n: "平凉", g: "106.688911,35.55011|13" }, { n: "庆阳", g: "107.644227,35.726801|13" }, { n: "天水", g: "105.736932,34.584319|13" }, { n: "武威", g: "102.640147,37.933172|13" }, { n: "张掖", g: "100.459892,38.93932|13" }] }, { n: "广东", g: "113.394818,23.408004|8", cities: [{ n: "广州", g: "113.30765,23.120049|12" }, { n: "潮州", g: "116.630076,23.661812|13" }, { n: "东莞", g: "113.763434,23.043024|12" }, { n: "佛山", g: "113.134026,23.035095|13" }, { n: "河源", g: "114.713721,23.757251|12" }, { n: "惠州", g: "114.410658,23.11354|12" }, { n: "江门", g: "113.078125,22.575117|13" }, { n: "揭阳", g: "116.379501,23.547999|13" }, { n: "茂名", g: "110.931245,21.668226|13" }, { n: "梅州", g: "116.126403,24.304571|13" }, { n: "清远", g: "113.040773,23.698469|13" }, { n: "汕头", g: "116.72865,23.383908|13" }, { n: "汕尾", g: "115.372924,22.778731|14" }, { n: "韶关", g: "113.594461,24.80296|13" }, { n: "深圳", g: "114.025974,22.546054|12" }, { n: "阳江", g: "111.97701,21.871517|14" }, { n: "云浮", g: "112.050946,22.937976|13" }, { n: "湛江", g: "110.365067,21.257463|13" }, { n: "肇庆", g: "112.479653,23.078663|13" }, { n: "中山", g: "113.42206,22.545178|12" }, { n: "珠海", g: "113.562447,22.256915|13" }] }, { n: "广西", g: "108.924274,23.552255|7", cities: [{ n: "南宁", g: "108.297234,22.806493|12" }, { n: "百色", g: "106.631821,23.901512|13" }, { n: "北海", g: "109.122628,21.472718|13" }, { n: "崇左", g: "107.357322,22.415455|14" }, { n: "防城港", g: "108.351791,21.617398|15" }, { n: "桂林", g: "110.26092,25.262901|12" }, { n: "贵港", g: "109.613708,23.103373|13" }, { n: "河池", g: "108.069948,24.699521|14" }, { n: "贺州", g: "111.552594,24.411054|14" }, { n: "来宾", g: "109.231817,23.741166|14" }, { n: "柳州", g: "109.422402,24.329053|12" }, { n: "钦州", g: "108.638798,21.97335|13" }, { n: "梧州", g: "111.305472,23.485395|13" }, { n: "玉林", g: "110.151676,22.643974|14" }] }, { n: "贵州", g: "106.734996,26.902826|8", cities: [{ n: "贵阳", g: "106.709177,26.629907|12" }, { n: "安顺", g: "105.92827,26.228595|13" }, { n: "毕节地区", g: "105.300492,27.302612|14" }, { n: "六盘水", g: "104.852087,26.591866|13" }, { n: "铜仁地区", g: "109.196161,27.726271|14" }, { n: "遵义", g: "106.93126,27.699961|13" }, { n: "黔西南州", g: "104.900558,25.095148|11" }, { n: "黔东南州", g: "107.985353,26.583992|11" }, { n: "黔南州", g: "107.523205,26.264536|11" }] }, { n: "海南", g: "109.733755,19.180501|9", cities: [{ n: "海口", g: "110.330802,20.022071|13" }, { n: "白沙", g: "109.358586,19.216056|12" }, { n: "保亭", g: "109.656113,18.597592|12" }, { n: "昌江", g: "109.0113,19.222483|12" }, { n: "儋州", g: "109.413973,19.571153|13" }, { n: "澄迈", g: "109.996736,19.693135|13" }, { n: "东方", g: "108.85101,18.998161|13" }, { n: "定安", g: "110.32009,19.490991|13" }, { n: "琼海", g: "110.414359,19.21483|13" }, { n: "琼中", g: "109.861849,19.039771|12" }, { n: "乐东", g: "109.062698,18.658614|12" }, { n: "临高", g: "109.724101,19.805922|13" }, { n: "陵水", g: "109.948661,18.575985|12" }, { n: "三亚", g: "109.522771,18.257776|12" }, { n: "屯昌", g: "110.063364,19.347749|13" }, { n: "万宁", g: "110.292505,18.839886|13" }, { n: "文昌", g: "110.780909,19.750947|13" }, { n: "五指山", g: "109.51775,18.831306|13" }] }, { n: "河北", g: "115.661434,38.61384|7", cities: [{ n: "石家庄", g: "114.522082,38.048958|12" }, { n: "保定", g: "115.49481,38.886565|13" }, { n: "沧州", g: "116.863806,38.297615|13" }, { n: "承德", g: "117.933822,40.992521|14" }, { n: "邯郸", g: "114.482694,36.609308|13" }, { n: "衡水", g: "115.686229,37.746929|13" }, { n: "廊坊", g: "116.703602,39.518611|13" }, { n: "秦皇岛", g: "119.604368,39.945462|12" }, { n: "唐山", g: "118.183451,39.650531|13" }, { n: "邢台", g: "114.520487,37.069531|13" }, { n: "张家口", g: "114.893782,40.811188|13" }] }, { n: "河南", g: "113.486804,34.157184|7", cities: [{ n: "郑州", g: "113.649644,34.75661|12" }, { n: "安阳", g: "114.351807,36.110267|12" }, { n: "鹤壁", g: "114.29777,35.755426|13" }, { n: "焦作", g: "113.211836,35.234608|13" }, { n: "开封", g: "114.351642,34.801854|13" }, { n: "洛阳", g: "112.447525,34.657368|12" }, { n: "漯河", g: "114.046061,33.576279|13" }, { n: "南阳", g: "112.542842,33.01142|13" }, { n: "平顶山", g: "113.300849,33.745301|13" }, { n: "濮阳", g: "115.026627,35.753298|12" }, { n: "三门峡", g: "111.181262,34.78332|13" }, { n: "商丘", g: "115.641886,34.438589|13" }, { n: "新乡", g: "113.91269,35.307258|13" }, { n: "信阳", g: "114.085491,32.128582|13" }, { n: "许昌", g: "113.835312,34.02674|13" }, { n: "周口", g: "114.654102,33.623741|13" }, { n: "驻马店", g: "114.049154,32.983158|13" }] }, { n: "黑龙江", g: "128.047414,47.356592|6", cities: [{ n: "哈尔滨", g: "126.657717,45.773225|12" }, { n: "大庆", g: "125.02184,46.596709|12" }, { n: "大兴安岭地区", g: "124.196104,51.991789|10" }, { n: "鹤岗", g: "130.292472,47.338666|13" }, { n: "黑河", g: "127.50083,50.25069|14" }, { n: "鸡西", g: "130.941767,45.32154|13" }, { n: "佳木斯", g: "130.284735,46.81378|12" }, { n: "牡丹江", g: "129.608035,44.588521|13" }, { n: "七台河", g: "131.019048,45.775005|14" }, { n: "齐齐哈尔", g: "123.987289,47.3477|13" }, { n: "双鸭山", g: "131.171402,46.655102|13" }, { n: "绥化", g: "126.989095,46.646064|13" }, { n: "伊春", g: "128.910766,47.734685|14" }] }, { n: "湖北", g: "112.410562,31.209316|8", cities: [{ n: "武汉", g: "114.3162,30.581084|12" }, { n: "鄂州", g: "114.895594,30.384439|14" }, { n: "恩施", g: "109.517433,30.308978|14" }, { n: "黄冈", g: "114.906618,30.446109|14" }, { n: "黄石", g: "115.050683,30.216127|13" }, { n: "荆门", g: "112.21733,31.042611|13" }, { n: "荆州", g: "112.241866,30.332591|12" }, { n: "潜江", g: "112.768768,30.343116|13" }, { n: "神农架林区", g: "110.487231,31.595768|13" }, { n: "十堰", g: "110.801229,32.636994|13" }, { n: "随州", g: "113.379358,31.717858|13" }, { n: "天门", g: "113.12623,30.649047|13" }, { n: "仙桃", g: "113.387448,30.293966|13" }, { n: "咸宁", g: "114.300061,29.880657|13" }, { n: "襄阳", g: "112.176326,32.094934|12" }, { n: "孝感", g: "113.935734,30.927955|13" }, { n: "宜昌", g: "111.310981,30.732758|13" }] }, { n: "湖南", g: "111.720664,27.695864|7", cities: [{ n: "长沙", g: "112.979353,28.213478|12" }, { n: "常德", g: "111.653718,29.012149|12" }, { n: "郴州", g: "113.037704,25.782264|13" }, { n: "衡阳", g: "112.583819,26.898164|13" }, { n: "怀化", g: "109.986959,27.557483|13" }, { n: "娄底", g: "111.996396,27.741073|13" }, { n: "邵阳", g: "111.461525,27.236811|13" }, { n: "湘潭", g: "112.935556,27.835095|13" }, { n: "湘西州", g: "109.745746,28.317951|14" }, { n: "益阳", g: "112.366547,28.588088|13" }, { n: "永州", g: "111.614648,26.435972|13" }, { n: "岳阳", g: "113.146196,29.378007|13" }, { n: "张家界", g: "110.48162,29.124889|13" }, { n: "株洲", g: "113.131695,27.827433|13" }] }, { n: "江苏", g: "119.368489,33.013797|8", cities: [{ n: "南京", g: "118.778074,32.057236|12" }, { n: "常州", g: "119.981861,31.771397|12" }, { n: "淮安", g: "119.030186,33.606513|12" }, { n: "连云港", g: "119.173872,34.601549|12" }, { n: "南通", g: "120.873801,32.014665|12" }, { n: "苏州", g: "120.619907,31.317987|12" }, { n: "宿迁", g: "118.296893,33.95205|13" }, { n: "泰州", g: "119.919606,32.476053|13" }, { n: "无锡", g: "120.305456,31.570037|12" }, { n: "徐州", g: "117.188107,34.271553|12" }, { n: "盐城", g: "120.148872,33.379862|12" }, { n: "扬州", g: "119.427778,32.408505|13" }, { n: "镇江", g: "119.455835,32.204409|13" }] }, { n: "江西", g: "115.676082,27.757258|7", cities: [{ n: "南昌", g: "115.893528,28.689578|12" }, { n: "抚州", g: "116.360919,27.954545|13" }, { n: "赣州", g: "114.935909,25.845296|13" }, { n: "吉安", g: "114.992039,27.113848|13" }, { n: "景德镇", g: "117.186523,29.303563|12" }, { n: "九江", g: "115.999848,29.71964|13" }, { n: "萍乡", g: "113.859917,27.639544|13" }, { n: "上饶", g: "117.955464,28.457623|13" }, { n: "新余", g: "114.947117,27.822322|13" }, { n: "宜春", g: "114.400039,27.81113|13" }, { n: "鹰潭", g: "117.03545,28.24131|13" }] }, { n: "吉林", g: "126.262876,43.678846|7", cities: [{ n: "长春", g: "125.313642,43.898338|12" }, { n: "白城", g: "122.840777,45.621086|13" }, { n: "白山", g: "126.435798,41.945859|13" }, { n: "吉林市", g: "126.564544,43.871988|12" }, { n: "辽源", g: "125.133686,42.923303|13" }, { n: "四平", g: "124.391382,43.175525|12" }, { n: "松原", g: "124.832995,45.136049|13" }, { n: "通化", g: "125.94265,41.736397|13" }, { n: "延边", g: "129.485902,42.896414|13" }] }, { n: "辽宁", g: "122.753592,41.6216|8", cities: [{ n: "沈阳", g: "123.432791,41.808645|12" }, { n: "鞍山", g: "123.007763,41.118744|13" }, { n: "本溪", g: "123.778062,41.325838|12" }, { n: "朝阳", g: "120.446163,41.571828|13" }, { n: "大连", g: "121.593478,38.94871|12" }, { n: "丹东", g: "124.338543,40.129023|12" }, { n: "抚顺", g: "123.92982,41.877304|12" }, { n: "阜新", g: "121.660822,42.01925|14" }, { n: "葫芦岛", g: "120.860758,40.74303|13" }, { n: "锦州", g: "121.147749,41.130879|13" }, { n: "辽阳", g: "123.172451,41.273339|14" }, { n: "盘锦", g: "122.073228,41.141248|13" }, { n: "铁岭", g: "123.85485,42.299757|13" }, { n: "营口", g: "122.233391,40.668651|13" }] }, { n: "内蒙古", g: "114.415868,43.468238|5", cities: [{ n: "呼和浩特", g: "111.660351,40.828319|12" }, { n: "阿拉善盟", g: "105.695683,38.843075|14" }, { n: "包头", g: "109.846239,40.647119|12" }, { n: "巴彦淖尔", g: "107.423807,40.76918|12" }, { n: "赤峰", g: "118.930761,42.297112|12" }, { n: "鄂尔多斯", g: "109.993706,39.81649|12" }, { n: "呼伦贝尔", g: "119.760822,49.201636|12" }, { n: "通辽", g: "122.260363,43.633756|12" }, { n: "乌海", g: "106.831999,39.683177|13" }, { n: "乌兰察布", g: "113.112846,41.022363|12" }, { n: "锡林郭勒盟", g: "116.02734,43.939705|11" }, { n: "兴安盟", g: "122.048167,46.083757|11" }] }, { n: "宁夏", g: "106.155481,37.321323|8", cities: [{ n: "银川", g: "106.206479,38.502621|12" }, { n: "固原", g: "106.285268,36.021523|13" }, { n: "石嘴山", g: "106.379337,39.020223|13" }, { n: "吴忠", g: "106.208254,37.993561|14" }, { n: "中卫", g: "105.196754,37.521124|14" }] }, { n: "青海", g: "96.202544,35.499761|7", cities: [{ n: "西宁", g: "101.767921,36.640739|12" }, { n: "果洛州", g: "100.223723,34.480485|11" }, { n: "海东地区", g: "102.085207,36.51761|11" }, { n: "海北州", g: "100.879802,36.960654|11" }, { n: "海南州", g: "100.624066,36.284364|11" }, { n: "海西州", g: "97.342625,37.373799|11" }, { n: "黄南州", g: "102.0076,35.522852|11" }, { n: "玉树州", g: "97.013316,33.00624|14" }] }, { n: "山东", g: "118.527663,36.09929|8", cities: [{ n: "济南", g: "117.024967,36.682785|12" }, { n: "滨州", g: "117.968292,37.405314|12" }, { n: "东营", g: "118.583926,37.487121|12" }, { n: "德州", g: "116.328161,37.460826|12" }, { n: "菏泽", g: "115.46336,35.26244|13" }, { n: "济宁", g: "116.600798,35.402122|13" }, { n: "莱芜", g: "117.684667,36.233654|13" }, { n: "聊城", g: "115.986869,36.455829|12" }, { n: "临沂", g: "118.340768,35.072409|12" }, { n: "青岛", g: "120.384428,36.105215|12" }, { n: "日照", g: "119.50718,35.420225|12" }, { n: "泰安", g: "117.089415,36.188078|13" }, { n: "威海", g: "122.093958,37.528787|13" }, { n: "潍坊", g: "119.142634,36.716115|12" }, { n: "烟台", g: "121.309555,37.536562|12" }, { n: "枣庄", g: "117.279305,34.807883|13" }, { n: "淄博", g: "118.059134,36.804685|12" }] }, { n: "山西", g: "112.515496,37.866566|7", cities: [{ n: "太原", g: "112.550864,37.890277|12" }, { n: "长治", g: "113.120292,36.201664|12" }, { n: "大同", g: "113.290509,40.113744|12" }, { n: "晋城", g: "112.867333,35.499834|13" }, { n: "晋中", g: "112.738514,37.693362|13" }, { n: "临汾", g: "111.538788,36.099745|13" }, { n: "吕梁", g: "111.143157,37.527316|14" }, { n: "朔州", g: "112.479928,39.337672|13" }, { n: "忻州", g: "112.727939,38.461031|12" }, { n: "阳泉", g: "113.569238,37.869529|13" }, { n: "运城", g: "111.006854,35.038859|13" }] }, { n: "陕西", g: "109.503789,35.860026|7", cities: [{ n: "西安", g: "108.953098,34.2778|12" }, { n: "安康", g: "109.038045,32.70437|13" }, { n: "宝鸡", g: "107.170645,34.364081|12" }, { n: "汉中", g: "107.045478,33.081569|13" }, { n: "商洛", g: "109.934208,33.873907|13" }, { n: "铜川", g: "108.968067,34.908368|13" }, { n: "渭南", g: "109.483933,34.502358|13" }, { n: "咸阳", g: "108.707509,34.345373|13" }, { n: "延安", g: "109.50051,36.60332|13" }, { n: "榆林", g: "109.745926,38.279439|12" }] }, { n: "四川", g: "102.89916,30.367481|7", cities: [{ n: "成都", g: "104.067923,30.679943|12" }, { n: "阿坝州", g: "102.228565,31.905763|15" }, { n: "巴中", g: "106.757916,31.869189|14" }, { n: "达州", g: "107.494973,31.214199|14" }, { n: "德阳", g: "104.402398,31.13114|13" }, { n: "甘孜州", g: "101.969232,30.055144|15" }, { n: "广安", g: "106.63572,30.463984|13" }, { n: "广元", g: "105.819687,32.44104|13" }, { n: "乐山", g: "103.760824,29.600958|13" }, { n: "凉山州", g: "102.259591,27.892393|14" }, { n: "泸州", g: "105.44397,28.89593|14" }, { n: "南充", g: "106.105554,30.800965|13" }, { n: "眉山", g: "103.84143,30.061115|13" }, { n: "绵阳", g: "104.705519,31.504701|12" }, { n: "内江", g: "105.073056,29.599462|13" }, { n: "攀枝花", g: "101.722423,26.587571|14" }, { n: "遂宁", g: "105.564888,30.557491|12" }, { n: "雅安", g: "103.009356,29.999716|13" }, { n: "宜宾", g: "104.633019,28.769675|13" }, { n: "资阳", g: "104.63593,30.132191|13" }, { n: "自贡", g: "104.776071,29.359157|13" }] }, { n: "西藏", g: "89.137982,31.367315|6", cities: [{ n: "拉萨", g: "91.111891,29.662557|13" }, { n: "阿里地区", g: "81.107669,30.404557|11" }, { n: "昌都地区", g: "97.185582,31.140576|15" }, { n: "林芝地区", g: "94.349985,29.666941|11" }, { n: "那曲地区", g: "92.067018,31.48068|14" }, { n: "日喀则地区", g: "88.891486,29.269023|14" }, { n: "山南地区", g: "91.750644,29.229027|11" }] }, { n: "新疆", g: "85.614899,42.127001|6", cities: [{ n: "乌鲁木齐", g: "87.564988,43.84038|12" }, { n: "阿拉尔", g: "81.291737,40.61568|13" }, { n: "阿克苏地区", g: "80.269846,41.171731|12" }, { n: "阿勒泰地区", g: "88.137915,47.839744|13" }, { n: "巴音郭楞", g: "86.121688,41.771362|12" }, { n: "博尔塔拉州", g: "82.052436,44.913651|11" }, { n: "昌吉州", g: "87.296038,44.007058|13" }, { n: "哈密地区", g: "93.528355,42.858596|13" }, { n: "和田地区", g: "79.930239,37.116774|13" }, { n: "喀什地区", g: "75.992973,39.470627|12" }, { n: "克拉玛依", g: "84.88118,45.594331|13" }, { n: "克孜勒苏州", g: "76.137564,39.750346|11" }, { n: "石河子", g: "86.041865,44.308259|13" }, { n: "塔城地区", g: "82.974881,46.758684|12" }, { n: "图木舒克", g: "79.198155,39.889223|13" }, { n: "吐鲁番地区", g: "89.181595,42.96047|13" }, { n: "五家渠", g: "87.565449,44.368899|13" }, { n: "伊犁州", g: "81.297854,43.922248|11" }] }, { n: "云南", g: "101.592952,24.864213|7", cities: [{ n: "昆明", g: "102.714601,25.049153|12" }, { n: "保山", g: "99.177996,25.120489|13" }, { n: "楚雄州", g: "101.529382,25.066356|13" }, { n: "大理州", g: "100.223675,25.5969|14" }, { n: "德宏州", g: "98.589434,24.44124|14" }, { n: "迪庆州", g: "99.713682,27.831029|14" }, { n: "红河州", g: "103.384065,23.367718|11" }, { n: "丽江", g: "100.229628,26.875351|13" }, { n: "临沧", g: "100.092613,23.887806|14" }, { n: "怒江州", g: "98.859932,25.860677|14" }, { n: "普洱", g: "100.980058,22.788778|14" }, { n: "曲靖", g: "103.782539,25.520758|12" }, { n: "昭通", g: "103.725021,27.340633|13" }, { n: "文山", g: "104.089112,23.401781|14" }, { n: "西双版纳", g: "100.803038,22.009433|13" }, { n: "玉溪", g: "102.545068,24.370447|13" }] }, { n: "浙江", g: "119.957202,29.159494|8", cities: [{ n: "杭州", g: "120.219375,30.259244|12" }, { n: "湖州", g: "120.137243,30.877925|12" }, { n: "嘉兴", g: "120.760428,30.773992|13" }, { n: "金华", g: "119.652576,29.102899|12" }, { n: "丽水", g: "119.929576,28.4563|13" }, { n: "宁波", g: "121.579006,29.885259|12" }, { n: "衢州", g: "118.875842,28.95691|12" }, { n: "绍兴", g: "120.592467,30.002365|13" }, { n: "台州", g: "121.440613,28.668283|13" }, { n: "温州", g: "120.690635,28.002838|12" }, { n: "舟山", g: "122.169872,30.03601|13" }] }], other: [{ n: "香港", g: "114.186124,22.293586|11" }, { n: "澳门", g: "113.557519,22.204118|13" }, { n: "台湾", g: "120.961454,23.80406|8" }] };
+
+  function getCenter(g) {
+      var item = g.split("|");
+      item[0] = item[0].split(",");
+      return {
+          lng: parseFloat(item[0][0]),
+          lat: parseFloat(item[0][1])
+      };
+  }
+
+  var cityCenter = {
+      getCenterByCityName: function getCenterByCityName(name) {
+          for (var i = 0; i < citycenter.municipalities.length; i++) {
+              if (citycenter.municipalities[i].n == name) {
+                  return getCenter(citycenter.municipalities[i].g);
+              }
+          }
+
+          var provinces = citycenter.provinces;
+          for (var i = 0; i < provinces.length; i++) {
+              if (provinces[i].n == name) {
+                  return getCenter(provinces[i].g);
+              }
+              var cities = provinces[i].cities;
+              for (var j = 0; j < cities.length; j++) {
+                  if (cities[j].n == name) {
+                      return getCenter(cities[j].g);
+                  }
+              }
+          }
+          return null;
+      }
+  };
+
+  /**
+    * 根据弧线的坐标节点数组
+    */
+  function getCurvePoints(points) {
+    var curvePoints = [];
+    for (var i = 0; i < points.length - 1; i++) {
+      var p = getCurveByTwoPoints(points[i], points[i + 1]);
+      if (p && p.length > 0) {
+        curvePoints = curvePoints.concat(p);
+      }
+    }
+    return curvePoints;
+  }
+
+  /**
+   * 根据两点获取曲线坐标点数组
+   * @param Point 起点
+   * @param Point 终点
+   */
+  function getCurveByTwoPoints(obj1, obj2) {
+    if (!obj1 || !obj2) {
+      return null;
+    }
+
+    var B1 = function B1(x) {
+      return 1 - 2 * x + x * x;
+    };
+    var B2 = function B2(x) {
+      return 2 * x - 2 * x * x;
+    };
+    var B3 = function B3(x) {
+      return x * x;
+    };
+
+    var curveCoordinates = [];
+
+    var count = 40; // 曲线是由一些小的线段组成的，这个表示这个曲线所有到的折线的个数
+    var isFuture = false;
+    var t, h, h2, lat3, lng3, j, t2;
+    var LnArray = [];
+    var i = 0;
+    var inc = 0;
+
+    if (typeof obj2 == "undefined") {
+      if (typeof curveCoordinates != "undefined") {
+        curveCoordinates = [];
+      }
+      return;
+    }
+
+    var lat1 = parseFloat(obj1.lat);
+    var lat2 = parseFloat(obj2.lat);
+    var lng1 = parseFloat(obj1.lng);
+    var lng2 = parseFloat(obj2.lng);
+
+    // 计算曲线角度的方法
+    if (lng2 > lng1) {
+      if (parseFloat(lng2 - lng1) > 180) {
+        if (lng1 < 0) {
+          lng1 = parseFloat(180 + 180 + lng1);
+        }
+      }
+    }
+
+    if (lng1 > lng2) {
+      if (parseFloat(lng1 - lng2) > 180) {
+        if (lng2 < 0) {
+          lng2 = parseFloat(180 + 180 + lng2);
+        }
+      }
+    }
+    j = 0;
+    t2 = 0;
+    if (lat2 == lat1) {
+      t = 0;
+      h = lng1 - lng2;
+    } else if (lng2 == lng1) {
+      t = Math.PI / 2;
+      h = lat1 - lat2;
+    } else {
+      t = Math.atan((lat2 - lat1) / (lng2 - lng1));
+      h = (lat2 - lat1) / Math.sin(t);
+    }
+    if (t2 == 0) {
+      t2 = t + Math.PI / 5;
+    }
+    h2 = h / 2;
+    lng3 = h2 * Math.cos(t2) + lng1;
+    lat3 = h2 * Math.sin(t2) + lat1;
+
+    for (i = 0; i < count + 1; i++) {
+      curveCoordinates.push([lng1 * B1(inc) + lng3 * B2(inc) + lng2 * B3(inc), lat1 * B1(inc) + lat3 * B2(inc) + lat2 * B3(inc)]);
+      inc = inc + 1 / count;
+    }
+    return curveCoordinates;
+  }
+
+  var curve = {
+    getPoints: getCurvePoints
+  };
+
+  /* 
+  FDEB algorithm implementation [www.win.tue.nl/~dholten/papers/forcebundles_eurovis.pdf].
+
+  Author:  (github.com/upphiminn)
+  2013
+
+  */
+
+  var ForceEdgeBundling = function ForceEdgeBundling() {
+      var data_nodes = {},
+          // {'nodeid':{'x':,'y':},..}
+      data_edges = [],
+          // [{'source':'nodeid1', 'target':'nodeid2'},..]
+      compatibility_list_for_edge = [],
+          subdivision_points_for_edge = [],
+          K = 0.1,
+          // global bundling constant controling edge stiffness
+      S_initial = 0.1,
+          // init. distance to move points
+      P_initial = 1,
+          // init. subdivision number
+      P_rate = 2,
+          // subdivision rate increase
+      C = 6,
+          // number of cycles to perform
+      I_initial = 70,
+          // init. number of iterations for cycle
+      I_rate = 0.6666667,
+          // rate at which iteration number decreases i.e. 2/3
+      compatibility_threshold = 0.6,
+          invers_quadratic_mode = false,
+          eps = 1e-8;
+
+      /*** Geometry Helper Methods ***/
+      function vector_dot_product(p, q) {
+          return p.x * q.x + p.y * q.y;
+      }
+
+      function edge_as_vector(P) {
+          return { 'x': data_nodes[P.target].x - data_nodes[P.source].x,
+              'y': data_nodes[P.target].y - data_nodes[P.source].y };
+      }
+
+      function edge_length(e) {
+          return Math.sqrt(Math.pow(data_nodes[e.source].x - data_nodes[e.target].x, 2) + Math.pow(data_nodes[e.source].y - data_nodes[e.target].y, 2));
+      }
+
+      function custom_edge_length(e) {
+          return Math.sqrt(Math.pow(e.source.x - e.target.x, 2) + Math.pow(e.source.y - e.target.y, 2));
+      }
+
+      function edge_midpoint(e) {
+          var middle_x = (data_nodes[e.source].x + data_nodes[e.target].x) / 2.0;
+          var middle_y = (data_nodes[e.source].y + data_nodes[e.target].y) / 2.0;
+          return { 'x': middle_x, 'y': middle_y };
+      }
+
+      function compute_divided_edge_length(e_idx) {
+          var length = 0;
+          for (var i = 1; i < subdivision_points_for_edge[e_idx].length; i++) {
+              var segment_length = euclidean_distance(subdivision_points_for_edge[e_idx][i], subdivision_points_for_edge[e_idx][i - 1]);
+              length += segment_length;
+          }
+          return length;
+      }
+
+      function euclidean_distance(p, q) {
+          return Math.sqrt(Math.pow(p.x - q.x, 2) + Math.pow(p.y - q.y, 2));
+      }
+
+      function project_point_on_line(p, Q) {
+          var L = Math.sqrt((Q.target.x - Q.source.x) * (Q.target.x - Q.source.x) + (Q.target.y - Q.source.y) * (Q.target.y - Q.source.y));
+          var r = ((Q.source.y - p.y) * (Q.source.y - Q.target.y) - (Q.source.x - p.x) * (Q.target.x - Q.source.x)) / (L * L);
+
+          return { 'x': Q.source.x + r * (Q.target.x - Q.source.x), 'y': Q.source.y + r * (Q.target.y - Q.source.y) };
+      }
+
+      /*** ********************** ***/
+
+      /*** Initialization Methods ***/
+      function initialize_edge_subdivisions() {
+          for (var i = 0; i < data_edges.length; i++) {
+              if (P_initial == 1) subdivision_points_for_edge[i] = []; //0 subdivisions
+              else {
+                      subdivision_points_for_edge[i] = [];
+                      subdivision_points_for_edge[i].push(data_nodes[data_edges[i].source]);
+                      subdivision_points_for_edge[i].push(data_nodes[data_edges[i].target]);
+                  }
+          }
+      }
+
+      function initialize_compatibility_lists() {
+          for (var i = 0; i < data_edges.length; i++) {
+              compatibility_list_for_edge[i] = [];
+          } //0 compatible edges.
+      }
+
+      function filter_self_loops(edgelist) {
+          var filtered_edge_list = [];
+          for (var e = 0; e < edgelist.length; e++) {
+              if (data_nodes[edgelist[e].source].x != data_nodes[edgelist[e].target].x && data_nodes[edgelist[e].source].y != data_nodes[edgelist[e].target].y) {
+                  //or smaller than eps
+                  filtered_edge_list.push(edgelist[e]);
+              }
+          }
+
+          return filtered_edge_list;
+      }
+      /*** ********************** ***/
+
+      /*** Force Calculation Methods ***/
+      function apply_spring_force(e_idx, i, kP) {
+
+          var prev = subdivision_points_for_edge[e_idx][i - 1];
+          var next = subdivision_points_for_edge[e_idx][i + 1];
+          var crnt = subdivision_points_for_edge[e_idx][i];
+
+          var x = prev.x - crnt.x + next.x - crnt.x;
+          var y = prev.y - crnt.y + next.y - crnt.y;
+
+          x *= kP;
+          y *= kP;
+
+          return { 'x': x, 'y': y };
+      }
+
+      function apply_electrostatic_force(e_idx, i, S) {
+          var sum_of_forces = { 'x': 0, 'y': 0 };
+          var compatible_edges_list = compatibility_list_for_edge[e_idx];
+
+          for (var oe = 0; oe < compatible_edges_list.length; oe++) {
+              var force = { 'x': subdivision_points_for_edge[compatible_edges_list[oe]][i].x - subdivision_points_for_edge[e_idx][i].x,
+                  'y': subdivision_points_for_edge[compatible_edges_list[oe]][i].y - subdivision_points_for_edge[e_idx][i].y };
+
+              if (Math.abs(force.x) > eps || Math.abs(force.y) > eps) {
+
+                  var diff = 1 / Math.pow(custom_edge_length({ 'source': subdivision_points_for_edge[compatible_edges_list[oe]][i],
+                      'target': subdivision_points_for_edge[e_idx][i] }), 1);
+
+                  sum_of_forces.x += force.x * diff;
+                  sum_of_forces.y += force.y * diff;
+              }
+          }
+          return sum_of_forces;
+      }
+
+      function apply_resulting_forces_on_subdivision_points(e_idx, P, S) {
+          var kP = K / (edge_length(data_edges[e_idx]) * (P + 1)); // kP=K/|P|(number of segments), where |P| is the initial length of edge P.
+          // (length * (num of sub division pts - 1))
+          var resulting_forces_for_subdivision_points = [{ 'x': 0, 'y': 0 }];
+          for (var i = 1; i < P + 1; i++) {
+              // exclude initial end points of the edge 0 and P+1
+              var resulting_force = { 'x': 0, 'y': 0 };
+
+              var spring_force = apply_spring_force(e_idx, i, kP);
+              var electrostatic_force = apply_electrostatic_force(e_idx, i, S);
+
+              resulting_force.x = S * (spring_force.x + electrostatic_force.x);
+              resulting_force.y = S * (spring_force.y + electrostatic_force.y);
+
+              resulting_forces_for_subdivision_points.push(resulting_force);
+          }
+          resulting_forces_for_subdivision_points.push({ 'x': 0, 'y': 0 });
+          return resulting_forces_for_subdivision_points;
+      }
+      /*** ********************** ***/
+
+      /*** Edge Division Calculation Methods ***/
+      function update_edge_divisions(P) {
+          for (var e_idx = 0; e_idx < data_edges.length; e_idx++) {
+
+              if (P == 1) {
+                  subdivision_points_for_edge[e_idx].push(data_nodes[data_edges[e_idx].source]); // source
+                  subdivision_points_for_edge[e_idx].push(edge_midpoint(data_edges[e_idx])); // mid point
+                  subdivision_points_for_edge[e_idx].push(data_nodes[data_edges[e_idx].target]); // target
+              } else {
+
+                  var divided_edge_length = compute_divided_edge_length(e_idx);
+                  var segment_length = divided_edge_length / (P + 1);
+                  var current_segment_length = segment_length;
+                  var new_subdivision_points = [];
+                  new_subdivision_points.push(data_nodes[data_edges[e_idx].source]); //source
+
+                  for (var i = 1; i < subdivision_points_for_edge[e_idx].length; i++) {
+                      var old_segment_length = euclidean_distance(subdivision_points_for_edge[e_idx][i], subdivision_points_for_edge[e_idx][i - 1]);
+
+                      while (old_segment_length > current_segment_length) {
+                          var percent_position = current_segment_length / old_segment_length;
+                          var new_subdivision_point_x = subdivision_points_for_edge[e_idx][i - 1].x;
+                          var new_subdivision_point_y = subdivision_points_for_edge[e_idx][i - 1].y;
+
+                          new_subdivision_point_x += percent_position * (subdivision_points_for_edge[e_idx][i].x - subdivision_points_for_edge[e_idx][i - 1].x);
+                          new_subdivision_point_y += percent_position * (subdivision_points_for_edge[e_idx][i].y - subdivision_points_for_edge[e_idx][i - 1].y);
+                          new_subdivision_points.push({ 'x': new_subdivision_point_x,
+                              'y': new_subdivision_point_y });
+
+                          old_segment_length -= current_segment_length;
+                          current_segment_length = segment_length;
+                      }
+                      current_segment_length -= old_segment_length;
+                  }
+                  new_subdivision_points.push(data_nodes[data_edges[e_idx].target]); //target
+                  subdivision_points_for_edge[e_idx] = new_subdivision_points;
+              }
+          }
+      }
+      /*** ********************** ***/
+
+      /*** Edge compatibility measures ***/
+      function angle_compatibility(P, Q) {
+          var result = Math.abs(vector_dot_product(edge_as_vector(P), edge_as_vector(Q)) / (edge_length(P) * edge_length(Q)));
+          return result;
+      }
+
+      function scale_compatibility(P, Q) {
+          var lavg = (edge_length(P) + edge_length(Q)) / 2.0;
+          var result = 2.0 / (lavg / Math.min(edge_length(P), edge_length(Q)) + Math.max(edge_length(P), edge_length(Q)) / lavg);
+          return result;
+      }
+
+      function position_compatibility(P, Q) {
+          var lavg = (edge_length(P) + edge_length(Q)) / 2.0;
+          var midP = { 'x': (data_nodes[P.source].x + data_nodes[P.target].x) / 2.0,
+              'y': (data_nodes[P.source].y + data_nodes[P.target].y) / 2.0 };
+          var midQ = { 'x': (data_nodes[Q.source].x + data_nodes[Q.target].x) / 2.0,
+              'y': (data_nodes[Q.source].y + data_nodes[Q.target].y) / 2.0 };
+          var result = lavg / (lavg + euclidean_distance(midP, midQ));
+          return result;
+      }
+
+      function edge_visibility(P, Q) {
+          var I0 = project_point_on_line(data_nodes[Q.source], { 'source': data_nodes[P.source],
+              'target': data_nodes[P.target] });
+          var I1 = project_point_on_line(data_nodes[Q.target], { 'source': data_nodes[P.source],
+              'target': data_nodes[P.target] }); //send acutal edge points positions
+          var midI = { 'x': (I0.x + I1.x) / 2.0,
+              'y': (I0.y + I1.y) / 2.0 };
+          var midP = { 'x': (data_nodes[P.source].x + data_nodes[P.target].x) / 2.0,
+              'y': (data_nodes[P.source].y + data_nodes[P.target].y) / 2.0 };
+          var result = Math.max(0, 1 - 2 * euclidean_distance(midP, midI) / euclidean_distance(I0, I1));
+          return result;
+      }
+
+      function visibility_compatibility(P, Q) {
+          return Math.min(edge_visibility(P, Q), edge_visibility(Q, P));
+      }
+
+      function compatibility_score(P, Q) {
+          var result = angle_compatibility(P, Q) * scale_compatibility(P, Q) * position_compatibility(P, Q) * visibility_compatibility(P, Q);
+
+          return result;
+      }
+
+      function are_compatible(P, Q) {
+          // console.log('compatibility ' + P.source +' - '+ P.target + ' and ' + Q.source +' '+ Q.target);
+          return compatibility_score(P, Q) >= compatibility_threshold;
+      }
+
+      function compute_compatibility_lists() {
+          for (var e = 0; e < data_edges.length - 1; e++) {
+              for (var oe = e + 1; oe < data_edges.length; oe++) {
+                  // don't want any duplicates
+                  if (e == oe) continue;else {
+                      if (are_compatible(data_edges[e], data_edges[oe])) {
+                          compatibility_list_for_edge[e].push(oe);
+                          compatibility_list_for_edge[oe].push(e);
+                      }
+                  }
+              }
+          }
+      }
+
+      /*** ************************ ***/
+
+      /*** Main Bundling Loop Methods ***/
+      var forcebundle = function forcebundle() {
+          var S = S_initial;
+          var I = I_initial;
+          var P = P_initial;
+
+          initialize_edge_subdivisions();
+          initialize_compatibility_lists();
+          update_edge_divisions(P);
+          compute_compatibility_lists();
+          for (var cycle = 0; cycle < C; cycle++) {
+              for (var iteration = 0; iteration < I; iteration++) {
+                  var forces = [];
+                  for (var edge = 0; edge < data_edges.length; edge++) {
+                      forces[edge] = apply_resulting_forces_on_subdivision_points(edge, P, S);
+                  }
+                  for (var e = 0; e < data_edges.length; e++) {
+                      for (var i = 0; i < P + 1; i++) {
+                          subdivision_points_for_edge[e][i].x += forces[e][i].x;
+                          subdivision_points_for_edge[e][i].y += forces[e][i].y;
+                      }
+                  }
+              }
+              //prepare for next cycle
+              S = S / 2;
+              P = P * 2;
+              I = I_rate * I;
+
+              update_edge_divisions(P);
+              // console.log('C' + cycle);
+              // console.log('P' + P);
+              // console.log('S' + S);
+          }
+          return subdivision_points_for_edge;
+      };
+      /*** ************************ ***/
+
+      /*** Getters/Setters Methods ***/
+      forcebundle.nodes = function (nl) {
+          if (arguments.length == 0) {
+              return data_nodes;
+          } else {
+              data_nodes = nl;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.edges = function (ll) {
+          if (arguments.length == 0) {
+              return data_edges;
+          } else {
+              data_edges = filter_self_loops(ll); //remove edges to from to the same point
+          }
+          return forcebundle;
+      };
+
+      forcebundle.bundling_stiffness = function (k) {
+          if (arguments.length == 0) {
+              return K;
+          } else {
+              K = k;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.step_size = function (step) {
+          if (arguments.length == 0) {
+              return S_initial;
+          } else {
+              S_initial = step;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.cycles = function (c) {
+          if (arguments.length == 0) {
+              return C;
+          } else {
+              C = c;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.iterations = function (i) {
+          if (arguments.length == 0) {
+              return I_initial;
+          } else {
+              I_initial = i;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.iterations_rate = function (i) {
+          if (arguments.length == 0) {
+              return I_rate;
+          } else {
+              I_rate = i;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.subdivision_points_seed = function (p) {
+          if (arguments.length == 0) {
+              return P;
+          } else {
+              P = p;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.subdivision_rate = function (r) {
+          if (arguments.length == 0) {
+              return P_rate;
+          } else {
+              P_rate = r;
+          }
+          return forcebundle;
+      };
+
+      forcebundle.compatbility_threshold = function (t) {
+          if (arguments.length == 0) {
+              return compatbility_threshold;
+          } else {
+              compatibility_threshold = t;
+          }
+          return forcebundle;
+      };
+
+      /*** ************************ ***/
+
+      return forcebundle;
+  };
+
+  /**
+   * @author kyle / http://nikai.us/
+   */
+
+  /**
+   * Category
+   * @param {Object} splitList:
+   *   { 
+   *       other: 1,
+   *       1: 2,
+   *       2: 3,
+   *       3: 4,
+   *       4: 5,
+   *       5: 6,
+   *       6: 7
+   *   }
+   */
+  function Category(splitList) {
+      this.splitList = splitList || {
+          other: 1
+      };
+  }
+
+  Category.prototype.get = function (count) {
+
+      var splitList = this.splitList;
+
+      var value = splitList['other'];
+
+      for (var i in splitList) {
+          if (count == i) {
+              value = splitList[i];
+              break;
+          }
+      }
+
+      return value;
+  };
+
+  /**
+   * 根据DataSet自动生成对应的splitList
+   */
+  Category.prototype.generateByDataSet = function (dataSet) {
+      var colors = ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
+      var data = dataSet.get();
+      this.splitList = {};
+      var count = 0;
+      for (var i = 0; i < data.length; i++) {
+          if (this.splitList[data[i].count] === undefined) {
+              this.splitList[data[i].count] = colors[count];
+              count++;
+          }
+          if (count >= colors.length - 1) {
+              break;
+          }
+      }
+
+      this.splitList['other'] = colors[colors.length - 1];
+  };
+
+  /**
+   * @author kyle / http://nikai.us/
+   */
+
+  /**
+   * Choropleth
+   * @param {Object} splitList:
+   *       [
+   *           {
+   *               start: 0,
+   *               end: 2,
+   *               value: randomColor()
+   *           },{
+   *               start: 2,
+   *               end: 4,
+   *               value: randomColor()
+   *           },{
+   *               start: 4,
+   *               value: randomColor()
+   *           }
+   *       ];
+   *
+   */
+  function Choropleth(splitList) {
+      this.splitList = splitList || [{
+          start: 0,
+          value: 'red'
+      }];
+  }
+
+  Choropleth.prototype.get = function (count) {
+      var splitList = this.splitList;
+
+      var value = false;
+
+      for (var i = 0; i < splitList.length; i++) {
+          if ((splitList[i].start === undefined || splitList[i].start !== undefined && count >= splitList[i].start) && (splitList[i].end === undefined || splitList[i].end !== undefined && count < splitList[i].end)) {
+              value = splitList[i].value;
+              break;
+          }
+      }
+
+      return value;
+  };
+
+  /**
+   * 根据DataSet自动生成对应的splitList
+   */
+  Choropleth.prototype.generateByDataSet = function (dataSet) {
+
+      var min = dataSet.getMin('count');
+      var max = dataSet.getMax('count');
+
+      this.generateByMinMax(min, max);
+  };
+
+  /**
+   * 根据DataSet自动生成对应的splitList
+   */
+  Choropleth.prototype.generateByMinMax = function (min, max) {
+      var colors = ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
+      var splitNum = (max - min) / 7;
+      var index = min;
+      this.splitList = [];
+      var count = 0;
+      while (index < max) {
+          this.splitList.push({
+              start: index,
+              end: index + splitNum,
+              value: colors[count]
+          });
+          count++;
+          index += splitNum;
+      }
+  };
+
+  /**
+   * Timer
+   * @author kyle / http://nikai.us/
+   */
+
+  var Timer = function () {
+      function Timer(callback, options) {
+          classCallCheck(this, Timer);
+
+          this._call = callback;
+          this._runing = false;
+          this.start();
+      }
+
+      createClass(Timer, [{
+          key: "start",
+          value: function start() {
+              this._runing = true;
+              requestAnimationFrame(this._launch.bind(this));
+          }
+      }, {
+          key: "stop",
+          value: function stop() {
+              this._runing = false;
+          }
+      }, {
+          key: "_launch",
+          value: function _launch(timestamp) {
+              if (this._runing) {
+                  this._call && this._call(timestamp);
+                  requestAnimationFrame(this._launch.bind(this));
+              }
+          }
+      }]);
+      return Timer;
+  }();
+
+  /**
+   * Abstract handler for animator steps
+   */
+  var AnimatorStepsRange = function AnimatorStepsRange(start, end) {
+      if (start < 0) throw new Error('start must be a positive number');
+      if (start >= end) throw new Error('start must be smaller than end');
+
+      this.start = start;
+      this.end = end;
+  };
+
+  AnimatorStepsRange.prototype = {
+
+      diff: function diff() {
+          return this.end - this.start;
+      },
+
+      isLast: function isLast(step) {
+          // round step into an integer, to be able to compare number as expected (also converts bad input to 0)
+          return (step | 0) === this.end;
+      }
+  };
+
+  function clamp(a, b) {
+      return function (t) {
+          return Math.max(Math.min(t, b), a);
+      };
+  }
+
+  function invLinear(a, b) {
+      var c = clamp(0, 1.0);
+      return function (t) {
+          return c((t - a) / (b - a));
+      };
+  }
+
+  function linear(a, b) {
+      var c = clamp(a, b);
+      function _linear(t) {
+          return c(a * (1.0 - t) + t * b);
+      }
+
+      _linear.invert = function () {
+          return invLinear(a, b);
+      };
+
+      return _linear;
+  }
+
+  var global$1 = typeof window === 'undefined' ? {} : window;
+
+  var requestAnimationFrame$1 = global$1.requestAnimationFrame || global$1.mozRequestAnimationFrame || global$1.webkitRequestAnimationFrame || global$1.msRequestAnimationFrame || function (callback) {
+      return global$1.setTimeout(callback, 1000 / 60);
+  };
+
+  var cancelAnimationFrame = global$1.cancelAnimationFrame || global$1.mozCancelAnimationFrame || global$1.webkitCancelAnimationFrame || global$1.msCancelAnimationFrame || function (id) {
+      clearTimeout(id);
+  };
+
+  /**
+   * options:
+   *    animationDuration in seconds
+   *    animationDelay in seconds
+   */
+  function Animator(callback, options) {
+      if (!options.steps) {
+          throw new Error("steps option missing");
+      }
+      this.options = options;
+      this.running = false;
+      this._tick = this._tick.bind(this);
+      this._t0 = +new Date();
+      this.callback = callback;
+      this._time = 0.0;
+      this.itemsReady = false;
+
+      this.options.animationDelay = 0;
+      this.options.maxDelta = 0.2;
+      this.options.loop = options.loop === undefined ? true : options.loop;
+
+      options.stepsRange = options.stepsRange || {
+          start: 0,
+          end: 100
+      };
+
+      this.steps(options.stepsRange.start || 0, options.stepsRange.end || 100);
+      if (options.stepsRange && options.stepsRange.start !== undefined && options.stepsRange.end !== undefined) {
+          this.stepsRange(options.stepsRange.start, options.stepsRange.end);
+      }
+  }
+
+  Animator.prototype = {
+
+      start: function start() {
+          this.running = true;
+          requestAnimationFrame$1(this._tick);
+          this.options.onStart && this.options.onStart();
+          if (this.stepsRange().diff() === 1) {
+              this.running = false;
+          }
+      },
+
+      isRunning: function isRunning() {
+          return this.running;
+      },
+
+      stop: function stop() {
+          this.pause();
+          this.time(this.stepsRange().start);
+          this.options.onStop && this.options.onStop();
+      },
+
+      // real animation time
+      time: function time(_) {
+          if (!arguments.length) return this._time;
+          this._time = _;
+          var t = this.range(this.domain(this._time));
+          this.callback(t);
+      },
+
+      toggle: function toggle() {
+          if (this.running) {
+              this.pause();
+          } else {
+              this.start();
+          }
+      },
+
+      rescale: function rescale() {
+          this.domainInv = linear(this.options.animationDelay, this.options.animationDelay + this.options.animationDuration);
+          this.domain = this.domainInv.invert();
+          this.range = linear(0, this._defaultStepsRange.end);
+          this.rangeInv = this.range.invert();
+          this.time(this._time);
+          this.running ? this.start() : this.pause();
+          return this;
+      },
+
+      duration: function duration(_) {
+          if (!arguments.length) return this.options.animationDuration;
+          this.options.animationDuration = _;
+          if (this.time() > _) {
+              this.time(0);
+          }
+          this.rescale();
+          return this;
+      },
+
+      steps: function steps(start, end) {
+          this._defaultStepsRange = new AnimatorStepsRange(start, end);
+          return this.rescale();
+      },
+
+      // Returns or sets a (custom) steps range
+      // Setting a steps range must be within the full range
+      stepsRange: function stepsRange(start, end) {
+          if (arguments.length === 2) {
+              if (start < this._defaultStepsRange.start) throw new Error('start must be within default steps range');
+              if (end > this._defaultStepsRange.end) throw new Error('end must be within default steps range');
+
+              this._customStepsRange = new AnimatorStepsRange(start, end);
+              this.options.onStepsRange && this.options.onStepsRange();
+
+              // Change current step if it's outside the new custom range
+              var step = this.step() | 0; // round to an integer
+              if (step < start || step > end) {
+                  this.step(start);
+              }
+          }
+          return this._customStepsRange || this._defaultStepsRange;
+      },
+
+      removeCustomStepsRange: function removeCustomStepsRange() {
+          this._customStepsRange = undefined;
+          this.options.onStepsRange && this.options.onStepsRange();
+      },
+
+      step: function step(s) {
+          if (arguments.length === 0) return this.range(this.domain(this._time));
+          this._time = this.domainInv(this.rangeInv(s));
+      },
+
+      pause: function pause() {
+          this.running = false;
+          cancelAnimationFrame(this._tick);
+          this.options.onPause && this.options.onPause();
+      },
+
+      _tick: function _tick() {
+          var t1 = +new Date();
+          var delta = (t1 - this._t0) * 0.001;
+          // if delta is really big means the tab lost the focus
+          // at some point, so limit delta change
+          delta = Math.min(this.options.maxDelta, delta);
+          this._t0 = t1;
+          this._time += delta;
+
+          var stepsRange = this.stepsRange();
+          if (stepsRange.isLast(this.step())) {
+              if (!this.options.loop) {
+                  // set time to max time
+                  this.time(this.options.animationDuration);
+                  this.pause();
+              } else {
+                  this.step(stepsRange.start);
+              }
+          }
+          if (this.running) {
+              this.time(this._time);
+              requestAnimationFrame$1(this._tick);
+          }
+      }
+
+  };
+
+  /**
+   * @author Mofei<http://www.zhuwenlong.com>
+   */
+
+  var MapHelper = function () {
+      function MapHelper(id, type, opt) {
+          classCallCheck(this, MapHelper);
+
+          if (!id || !type) {
+              console.warn('id 和 type 为必填项');
+              return false;
+          }
+
+          if (type == 'baidu') {
+              if (!BMap) {
+                  console.warn('请先引入百度地图JS API');
+                  return false;
+              }
+          } else {
+              console.warn('暂不支持你的地图类型');
+          }
+          this.type = type;
+          var center = opt && opt.center ? opt.center : [106.962497, 38.208726];
+          var zoom = opt && opt.zoom ? opt.zoom : 5;
+          var map = this.map = new BMap.Map(id, {
+              enableMapClick: false
+          });
+          map.centerAndZoom(new BMap.Point(center[0], center[1]), zoom);
+          map.enableScrollWheelZoom(true);
+
+          map.setMapStyle({
+              style: 'light'
+          });
+      }
+
+      createClass(MapHelper, [{
+          key: 'addLayer',
+          value: function addLayer(datas, options) {
+              if (this.type == 'baidu') {
+                  return new mapv.baiduMapLayer(this.map, dataSet, options);
+              }
+          }
+      }, {
+          key: 'getMap',
+          value: function getMap() {
+              return this.map;
+          }
+      }]);
+      return MapHelper;
+  }();
+
+  /**
+   * 一直覆盖在当前地图视野的Canvas对象
+   *
+   * @author nikai (@胖嘟嘟的骨头, nikai@baidu.com)
+   *
+   * @param 
+   * {
+   *     map 地图实例对象
+   * }
+   */
+
+  function CanvasLayer(options) {
+      this.options = options || {};
+      this.paneName = this.options.paneName || 'labelPane';
+      this.zIndex = this.options.zIndex || 0;
+      this.mixBlendMode = this.options.mixBlendMode || null;
+      this._map = options.map;
+      this._lastDrawTime = null;
+      this.show();
+  }
+
+  var global$2 = typeof window === 'undefined' ? {} : window;
+
+  if (global$2.BMap) {
+
+      CanvasLayer.prototype = new BMap.Overlay();
+
+      CanvasLayer.prototype.initialize = function (map) {
+          this._map = map;
+          var canvas = this.canvas = document.createElement("canvas");
+          canvas.style.cssText = "position:absolute;" + "left:0;" + "top:0;" + "z-index:" + this.zIndex + ";";
+          canvas.style.mixBlendMode = this.mixBlendMode;
+          this.adjustSize();
+          map.getPanes()[this.paneName].appendChild(canvas);
+          var that = this;
+          map.addEventListener('resize', function () {
+              that.adjustSize();
+              that._draw();
+          });
+          return this.canvas;
+      };
+
+      CanvasLayer.prototype.adjustSize = function () {
+          var size = this._map.getSize();
+          var canvas = this.canvas;
+
+          var devicePixelRatio = this.devicePixelRatio = global$2.devicePixelRatio;
+
+          canvas.width = size.width * devicePixelRatio;
+          canvas.height = size.height * devicePixelRatio;
+          canvas.getContext('2d').scale(devicePixelRatio, devicePixelRatio);
+
+          canvas.style.width = size.width + "px";
+          canvas.style.height = size.height + "px";
+      };
+
+      CanvasLayer.prototype.draw = function () {
+          var self = this;
+          clearTimeout(self.timeoutID);
+          self.timeoutID = setTimeout(function () {
+              self._draw();
+          }, 15);
+      };
+
+      CanvasLayer.prototype._draw = function () {
+          var map = this._map;
+          var size = map.getSize();
+          var center = map.getCenter();
+          if (center) {
+              var pixel = map.pointToOverlayPixel(center);
+              this.canvas.style.left = pixel.x - size.width / 2 + 'px';
+              this.canvas.style.top = pixel.y - size.height / 2 + 'px';
+              this.dispatchEvent('draw');
+              this.options.update && this.options.update.call(this);
+          }
+      };
+
+      CanvasLayer.prototype.getContainer = function () {
+          return this.canvas;
+      };
+
+      CanvasLayer.prototype.show = function () {
+          if (!this.canvas) {
+              this._map.addOverlay(this);
+          }
+          this.canvas.style.display = "block";
+      };
+
+      CanvasLayer.prototype.hide = function () {
+          this.canvas.style.display = "none";
+          //this._map.removeOverlay(this);
+      };
+
+      CanvasLayer.prototype.setZIndex = function (zIndex) {
+          this.canvas.style.zIndex = zIndex;
+      };
+
+      CanvasLayer.prototype.getZIndex = function () {
+          return this.zIndex;
+      };
+  }
+
+  var drawText = {
+      draw: function draw(context, dataSet, options) {
+          var data = dataSet.get();
+          context.fillStyle = 'white';
+          context.textAlign = 'center';
+          context.textBaseline = 'middle';
+
+          // set from options
+          for (var key in options) {
+              context[key] = options[key];
+          }
+
+          var offset = options.offset || {
+              x: 0,
+              y: 0
+          };
+
+          var textKey = options.textKey || 'text';
+
+          for (var i = 0, len = data.length; i < len; i++) {
+              var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
+              context.fillText(data[i][textKey], coordinates[0] + offset.x, coordinates[1] + offset.y);
+          };
+      }
+  };
+
+  var drawIcon = {
+      draw: function draw(context, dataSet, options) {
+          var data = dataSet instanceof DataSet ? dataSet.get() : dataSet;
+
+          context.fillStyle = 'white';
+          context.textAlign = 'center';
+          context.textBaseline = 'middle';
+
+          // set from options
+          // for (var key in options) {
+          //     context[key] = options[key];
+          // }
+          // console.log(data)
+          for (var i = 0, len = data.length; i < len; i++) {
+
+              if (data[i].geometry) {
+                  var icon = data[i].icon;
+                  var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
+                  context.drawImage(icon, coordinates[0] - icon.width / 2, coordinates[1] - icon.height / 2);
+              }
+          };
+      }
+  };
+
+  function Layer(map, dataSet, options) {
+      if (!(dataSet instanceof DataSet)) {
+          dataSet = new DataSet(dataSet);
+      }
+
+      this.dataSet = dataSet;
+
+      var self = this;
+      var data = null;
+      options = options || {};
+
+      self.init(options);
+      self.argCheck(options);
+
+      self.map = map;
+
+      var canvasLayer = this.canvasLayer = new CanvasLayer({
+          map: map,
+          paneName: options.paneName,
+          mixBlendMode: options.mixBlendMode,
+          zIndex: options.zIndex,
+          update: update
+      });
+
+      dataSet.on('change', function () {
+          canvasLayer.draw();
+      });
+
+      var animationOptions = self.options.animation;
+      var isEnabledTime = animationOptions && !(animationOptions.enabled === false);
+
+      if (self.options.draw == 'time' || isEnabledTime) {
+          var animator = new Animator(function (time) {
+              update.call(canvasLayer, time);
+          }, {
+              steps: animationOptions.steps || 100,
+              stepsRange: animationOptions.stepsRange || 100,
+              animationDuration: animationOptions.duration || 10
+          });
+          animator.start();
+
+          map.addEventListener('movestart', function () {
+              animator.pause();
+          });
+
+          map.addEventListener('moveend', function () {
+              animator.start();
+          });
+      }
+
+      if (self.options.methods) {
+          if (self.options.methods.click) {
+              map.setDefaultCursor("default");
+              map.addEventListener('click', function (e) {
+                  var pixel = e.pixel;
+                  var context = canvasLayer.canvas.getContext('2d');
+                  var data = dataSet.get();
+                  for (var i = 0; i < data.length; i++) {
+                      context.beginPath();
+                      pathSimple.draw(context, data[i], self.options);
+                      if (context.isPointInPath(pixel.x * canvasLayer.devicePixelRatio, pixel.y * canvasLayer.devicePixelRatio)) {
+                          self.options.methods.click(data[i], e);
+                          return;
+                      }
+                  }
+              });
+          }
+      }
+
+      function update(time) {
+
+          var zoomUnit = Math.pow(2, 18 - map.getZoom());
+          var projection = map.getMapType().getProjection();
+
+          var mcCenter = projection.lngLatToPoint(map.getCenter());
+          var nwMc = new BMap.Pixel(mcCenter.x - map.getSize().width / 2 * zoomUnit, mcCenter.y + map.getSize().height / 2 * zoomUnit); //左上角墨卡托坐标
+
+          //console.time('update')
+          var context = this.canvas.getContext("2d");
+
+          if (isEnabledTime) {
+              if (time === undefined) {
+                  return;
+              }
+              context.save();
+              context.globalCompositeOperation = 'destination-out';
+              context.fillStyle = 'rgba(0, 0, 0, .1)';
+              context.fillRect(0, 0, context.canvas.width, context.canvas.height);
+              context.restore();
+          } else {
+              clear(context);
+          }
+
+          for (var key in self.options) {
+              context[key] = self.options[key];
+          }
+
+          var dataGetOptions = {
+              transferCoordinate: function transferCoordinate(coordinate) {
+
+                  if (self.options.coordType == 'bd09mc') {
+                      var x = (coordinate[0] - nwMc.x) / zoomUnit;
+                      var y = (nwMc.y - coordinate[1]) / zoomUnit;
+                      return [x, y];
+                  }
+
+                  var pixel = map.pointToPixel(new BMap.Point(coordinate[0], coordinate[1]));
+                  return [pixel.x, pixel.y];
+              }
+          };
+
+          if (time !== undefined) {
+              dataGetOptions.filter = function (item) {
+                  var trails = animationOptions.trails || 5;
+                  if (time && item.time > time - trails && item.time < time) {
+                      return true;
+                  } else {
+                      return false;
+                  }
+              };
+          }
+
+          // get data from data set
+          data = dataSet.get(dataGetOptions);
+
+          // deal with data based on draw
+
+          // TODO: 部分情况下可以不用循环，比如heatmap
+          //console.time('setstyle');
+
+          var draw = self.options.draw;
+          if (draw == 'bubble' || draw == 'intensity' || draw == 'category' || draw == 'choropleth' || draw == 'simple') {
+
+              for (var i = 0; i < data.length; i++) {
+                  var item = data[i];
+
+                  if (self.options.draw == 'bubble') {
+                      data[i]._size = self.intensity.getSize(item.count);
+                  } else {
+                      data[i]._size = undefined;
+                  }
+
+                  if (self.options.draw == 'intensity') {
+                      if (data[i].geometry.type === 'LineString') {
+                          data[i].strokeStyle = self.intensity.getColor(item.count);
+                      } else {
+                          data[i].fillStyle = self.intensity.getColor(item.count);
+                      }
+                  } else if (self.options.draw == 'category') {
+                      data[i].fillStyle = self.category.get(item.count);
+                  } else if (self.options.draw == 'choropleth') {
+                      data[i].fillStyle = self.choropleth.get(item.count);
+                  }
+              }
+          }
+
+          //console.timeEnd('setstyle');
+
+          if (self.options.minZoom && map.getZoom() < self.options.minZoom || self.options.maxZoom && map.getZoom() > self.options.maxZoom) {
+              return;
+          }
+
+          //console.time('draw');
+          // draw
+
+          if (self.options.unit == 'm' && self.options.size) {
+              self.options._size = self.options.size / zoomUnit;
+          } else {
+              self.options._size = self.options.size;
+          }
+
+          switch (self.options.draw) {
+              case 'heatmap':
+                  drawHeatmap.draw(context, new DataSet(data), self.options);
+                  break;
+              case 'grid':
+              case 'honeycomb':
+                  /*
+                  if (data.length <= 0) {
+                      break;
+                  }
+                   var minx = data[0].geometry.coordinates[0];
+                  var maxy = data[0].geometry.coordinates[1];
+                  for (var i = 1; i < data.length; i++) {
+                      minx = Math.min(data[i].geometry.coordinates[0], minx);
+                      maxy = Math.max(data[i].geometry.coordinates[1], maxy);
+                  }
+                  var nwPixel = map.pointToPixel(new BMap.Point(minx, maxy));
+                  */
+                  var nwPixel = map.pointToPixel(new BMap.Point(0, 0));
+                  self.options.offset = {
+                      x: nwPixel.x,
+                      y: nwPixel.y
+                  };
+                  if (self.options.draw == 'grid') {
+                      drawGrid.draw(context, new DataSet(data), self.options);
+                  } else {
+                      drawHoneycomb.draw(context, new DataSet(data), self.options);
+                  }
+                  break;
+              case 'text':
+                  drawText.draw(context, new DataSet(data), self.options);
+                  break;
+              case 'icon':
+                  drawIcon.draw(context, data, self.options);
+                  break;
+              case 'clip':
+                  context.save();
+                  context.fillStyle = options.fillStyle || 'rgba(0, 0, 0, 0.5)';
+                  context.fillRect(0, 0, context.canvas.width, context.canvas.height);
+                  drawSimple.draw(context, data, self.options);
+                  context.beginPath();
+                  pathSimple.drawDataSet(context, new DataSet(data), self.options);
+                  context.clip();
+                  clear(context);
+                  context.restore();
+                  break;
+              default:
+                  drawSimple.draw(context, data, self.options);
+          }
+          //console.timeEnd('draw');
+
+          //console.timeEnd('update')
+          options.updateCallback && options.updateCallback(time);
+      };
+  }
+
+  Layer.prototype.argCheck = function (options) {
+      if (options.draw == 'heatmap') {
+          if (options.strokeStyle) {
+              console.warn('[heatmap] options.strokeStyle is discard, pleause use options.strength [eg: options.strength = 0.1]');
+          }
+      }
+  };
+
+  Layer.prototype.init = function (options) {
+      var self = this;
+
+      self.options = options;
+
+      self.intensity = new Intensity({
+          maxSize: self.options.maxSize,
+          gradient: self.options.gradient,
+          max: self.options.max || this.dataSet.getMax('count')
+      });
+
+      self.category = new Category(self.options.splitList);
+      self.choropleth = new Choropleth(self.options.splitList);
+      if (self.options.splitList === undefined) {
+          self.category.generateByDataSet(this.dataSet);
+      }
+
+      if (self.options.zIndex) {
+          this.canvasLayer && this.canvasLayer.setZIndex(self.options.zIndex);
+      }
+
+      if (self.options.splitList === undefined) {
+          var min = self.options.min || this.dataSet.getMin('count');
+          var max = self.options.max || this.dataSet.getMax('count');
+          self.choropleth.generateByMinMax(min, max);
+      }
+  };
+
+  Layer.prototype.show = function () {
+      this.map.addOverlay(this.canvasLayer);
+  };
+
+  Layer.prototype.hide = function () {
+      this.map.removeOverlay(this.canvasLayer);
+  };
+
+  /**
+   * obj.options
+   */
+  Layer.prototype.update = function (obj) {
+      var self = this;
+      var _options = obj.options;
+      var options = self.options;
+      for (var i in _options) {
+          options[i] = _options[i];
+      }
+      self.init(options);
+      self.canvasLayer.draw();
+  };
+
+  Layer.prototype.set = function (obj) {
+      var conf = {
+          globalAlpha: 1,
+          globalCompositeOperation: 'source-over',
+          imageSmoothingEnabled: true,
+          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'
+      };
+      var self = this;
+      var ctx = self.canvasLayer.canvas.getContext("2d");
+      for (var i in conf) {
+          ctx[i] = conf[i];
+      }
+      self.init(obj.options);
+      self.canvasLayer.draw();
+  };
+
+  /**
+   * Copyright 2012 Google Inc. All Rights Reserved.
+   *
+   * Licensed under the Apache License, Version 2.0 (the "License");
+   * you may not use this file except in compliance with the License.
+   * You may obtain a copy of the License at
+   *
+   *     http://www.apache.org/licenses/LICENSE-2.0
+   *
+   * Unless required by applicable law or agreed to in writing, software
+   * distributed under the License is distributed on an "AS IS" BASIS,
+   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   * See the License for the specific language governing permissions and
+   * limitations under the License.
+   */
+
+  /**
+   * @fileoverview Extends OverlayView to provide a canvas "Layer".
+   * @author Brendan Kenny
+   */
+
+  /**
+   * A map layer that provides a canvas over the slippy map and a callback
+   * system for efficient animation. Requires canvas and CSS 2D transform
+   * support.
+   * @constructor
+   * @extends google.maps.OverlayView
+   * @param {CanvasLayerOptions=} opt_options Options to set in this CanvasLayer.
+   */
+  function CanvasLayer$1(opt_options) {
+    /**
+     * If true, canvas is in a map pane and the OverlayView is fully functional.
+     * See google.maps.OverlayView.onAdd for more information.
+     * @type {boolean}
+     * @private
+     */
+    this.isAdded_ = false;
+
+    /**
+     * If true, each update will immediately schedule the next.
+     * @type {boolean}
+     * @private
+     */
+    this.isAnimated_ = false;
+
+    /**
+     * The name of the MapPane in which this layer will be displayed.
+     * @type {string}
+     * @private
+     */
+    this.paneName_ = CanvasLayer$1.DEFAULT_PANE_NAME_;
+
+    /**
+     * A user-supplied function called whenever an update is required. Null or
+     * undefined if a callback is not provided.
+     * @type {?function=}
+     * @private
+     */
+    this.updateHandler_ = null;
+
+    /**
+     * A user-supplied function called whenever an update is required and the
+     * map has been resized since the last update. Null or undefined if a
+     * callback is not provided.
+     * @type {?function}
+     * @private
+     */
+    this.resizeHandler_ = null;
+
+    /**
+     * The LatLng coordinate of the top left of the current view of the map. Will
+     * be null when this.isAdded_ is false.
+     * @type {google.maps.LatLng}
+     * @private
+     */
+    this.topLeft_ = null;
+
+    /**
+     * The map-pan event listener. Will be null when this.isAdded_ is false. Will
+     * be null when this.isAdded_ is false.
+     * @type {?function}
+     * @private
+     */
+    this.centerListener_ = null;
+
+    /**
+     * The map-resize event listener. Will be null when this.isAdded_ is false.
+     * @type {?function}
+     * @private
+     */
+    this.resizeListener_ = null;
+
+    /**
+     * If true, the map size has changed and this.resizeHandler_ must be called
+     * on the next update.
+     * @type {boolean}
+     * @private
+     */
+    this.needsResize_ = true;
+
+    /**
+     * A browser-defined id for the currently requested callback. Null when no
+     * callback is queued.
+     * @type {?number}
+     * @private
+     */
+    this.requestAnimationFrameId_ = null;
+
+    var canvas = document.createElement('canvas');
+    canvas.style.position = 'absolute';
+    canvas.style.top = 0;
+    canvas.style.left = 0;
+    canvas.style.pointerEvents = 'none';
+
+    /**
+     * The canvas element.
+     * @type {!HTMLCanvasElement}
+     */
+    this.canvas = canvas;
+
+    /**
+     * The CSS width of the canvas, which may be different than the width of the
+     * backing store.
+     * @private {number}
+     */
+    this.canvasCssWidth_ = 300;
+
+    /**
+     * The CSS height of the canvas, which may be different than the height of
+     * the backing store.
+     * @private {number}
+     */
+    this.canvasCssHeight_ = 150;
+
+    /**
+     * A value for scaling the CanvasLayer resolution relative to the CanvasLayer
+     * display size.
+     * @private {number}
+     */
+    this.resolutionScale_ = 1;
+
+    /**
+     * Simple bind for functions with no args for bind-less browsers (Safari).
+     * @param {Object} thisArg The this value used for the target function.
+     * @param {function} func The function to be bound.
+     */
+    function simpleBindShim(thisArg, func) {
+      return function () {
+        func.apply(thisArg);
+      };
+    }
+
+    /**
+     * A reference to this.repositionCanvas_ with this bound as its this value.
+     * @type {function}
+     * @private
+     */
+    this.repositionFunction_ = simpleBindShim(this, this.repositionCanvas_);
+
+    /**
+     * A reference to this.resize_ with this bound as its this value.
+     * @type {function}
+     * @private
+     */
+    this.resizeFunction_ = simpleBindShim(this, this.resize_);
+
+    /**
+     * A reference to this.update_ with this bound as its this value.
+     * @type {function}
+     * @private
+     */
+    this.requestUpdateFunction_ = simpleBindShim(this, this.update_);
+
+    // set provided options, if any
+    if (opt_options) {
+      this.setOptions(opt_options);
+    }
+  }
+
+  var global$3 = typeof window === 'undefined' ? {} : window;
+
+  if (global$3.google && global$3.google.maps) {
+
+    CanvasLayer$1.prototype = new google.maps.OverlayView();
+
+    /**
+     * The default MapPane to contain the canvas.
+     * @type {string}
+     * @const
+     * @private
+     */
+    CanvasLayer$1.DEFAULT_PANE_NAME_ = 'overlayLayer';
+
+    /**
+     * Transform CSS property name, with vendor prefix if required. If browser
+     * does not support transforms, property will be ignored.
+     * @type {string}
+     * @const
+     * @private
+     */
+    CanvasLayer$1.CSS_TRANSFORM_ = function () {
+      var div = document.createElement('div');
+      var transformProps = ['transform', 'WebkitTransform', 'MozTransform', 'OTransform', 'msTransform'];
+      for (var i = 0; i < transformProps.length; i++) {
+        var prop = transformProps[i];
+        if (div.style[prop] !== undefined) {
+          return prop;
+        }
+      }
+
+      // return unprefixed version by default
+      return transformProps[0];
+    }();
+
+    /**
+     * The requestAnimationFrame function, with vendor-prefixed or setTimeout-based
+     * fallbacks. MUST be called with window as thisArg.
+     * @type {function}
+     * @param {function} callback The function to add to the frame request queue.
+     * @return {number} The browser-defined id for the requested callback.
+     * @private
+     */
+    CanvasLayer$1.prototype.requestAnimFrame_ = global$3.requestAnimationFrame || global$3.webkitRequestAnimationFrame || global$3.mozRequestAnimationFrame || global$3.oRequestAnimationFrame || global$3.msRequestAnimationFrame || function (callback) {
+      return global$3.setTimeout(callback, 1000 / 60);
+    };
+
+    /**
+     * The cancelAnimationFrame function, with vendor-prefixed fallback. Does not
+     * fall back to clearTimeout as some platforms implement requestAnimationFrame
+     * but not cancelAnimationFrame, and the cost is an extra frame on onRemove.
+     * MUST be called with window as thisArg.
+     * @type {function}
+     * @param {number=} requestId The id of the frame request to cancel.
+     * @private
+     */
+    CanvasLayer$1.prototype.cancelAnimFrame_ = global$3.cancelAnimationFrame || global$3.webkitCancelAnimationFrame || global$3.mozCancelAnimationFrame || global$3.oCancelAnimationFrame || global$3.msCancelAnimationFrame || function (requestId) {};
+
+    /**
+     * Sets any options provided. See CanvasLayerOptions for more information.
+     * @param {CanvasLayerOptions} options The options to set.
+     */
+    CanvasLayer$1.prototype.setOptions = function (options) {
+      if (options.animate !== undefined) {
+        this.setAnimate(options.animate);
+      }
+
+      if (options.paneName !== undefined) {
+        this.setPaneName(options.paneName);
+      }
+
+      if (options.updateHandler !== undefined) {
+        this.setUpdateHandler(options.updateHandler);
+      }
+
+      if (options.resizeHandler !== undefined) {
+        this.setResizeHandler(options.resizeHandler);
+      }
+
+      if (options.resolutionScale !== undefined) {
+        this.setResolutionScale(options.resolutionScale);
+      }
+
+      if (options.map !== undefined) {
+        this.setMap(options.map);
+      }
+    };
+
+    /**
+     * Set the animated state of the layer. If true, updateHandler will be called
+     * repeatedly, once per frame. If false, updateHandler will only be called when
+     * a map property changes that could require the canvas content to be redrawn.
+     * @param {boolean} animate Whether the canvas is animated.
+     */
+    CanvasLayer$1.prototype.setAnimate = function (animate) {
+      this.isAnimated_ = !!animate;
+
+      if (this.isAnimated_) {
+        this.scheduleUpdate();
+      }
+    };
+
+    /**
+     * @return {boolean} Whether the canvas is animated.
+     */
+    CanvasLayer$1.prototype.isAnimated = function () {
+      return this.isAnimated_;
+    };
+
+    /**
+     * Set the MapPane in which this layer will be displayed, by name. See
+     * {@code google.maps.MapPanes} for the panes available.
+     * @param {string} paneName The name of the desired MapPane.
+     */
+    CanvasLayer$1.prototype.setPaneName = function (paneName) {
+      this.paneName_ = paneName;
+
+      this.setPane_();
+    };
+
+    /**
+     * @return {string} The name of the current container pane.
+     */
+    CanvasLayer$1.prototype.getPaneName = function () {
+      return this.paneName_;
+    };
+
+    /**
+     * Adds the canvas to the specified container pane. Since this is guaranteed to
+     * execute only after onAdd is called, this is when paneName's existence is
+     * checked (and an error is thrown if it doesn't exist).
+     * @private
+     */
+    CanvasLayer$1.prototype.setPane_ = function () {
+      if (!this.isAdded_) {
+        return;
+      }
+
+      // onAdd has been called, so panes can be used
+      var panes = this.getPanes();
+      if (!panes[this.paneName_]) {
+        throw new Error('"' + this.paneName_ + '" is not a valid MapPane name.');
+      }
+
+      panes[this.paneName_].appendChild(this.canvas);
+    };
+
+    /**
+     * Set a function that will be called whenever the parent map and the overlay's
+     * canvas have been resized. If opt_resizeHandler is null or unspecified, any
+     * existing callback is removed.
+     * @param {?function=} opt_resizeHandler The resize callback function.
+     */
+    CanvasLayer$1.prototype.setResizeHandler = function (opt_resizeHandler) {
+      this.resizeHandler_ = opt_resizeHandler;
+    };
+
+    /**
+     * Sets a value for scaling the canvas resolution relative to the canvas
+     * display size. This can be used to save computation by scaling the backing
+     * buffer down, or to support high DPI devices by scaling it up (by e.g.
+     * window.devicePixelRatio).
+     * @param {number} scale
+     */
+    CanvasLayer$1.prototype.setResolutionScale = function (scale) {
+      if (typeof scale === 'number') {
+        this.resolutionScale_ = scale;
+        this.resize_();
+      }
+    };
+
+    /**
+     * Set a function that will be called when a repaint of the canvas is required.
+     * If opt_updateHandler is null or unspecified, any existing callback is
+     * removed.
+     * @param {?function=} opt_updateHandler The update callback function.
+     */
+    CanvasLayer$1.prototype.setUpdateHandler = function (opt_updateHandler) {
+      this.updateHandler_ = opt_updateHandler;
+    };
+
+    /**
+     * @inheritDoc
+     */
+    CanvasLayer$1.prototype.onAdd = function () {
+      if (this.isAdded_) {
+        return;
+      }
+
+      this.isAdded_ = true;
+      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_();
+    };
+
+    /**
+     * @inheritDoc
+     */
+    CanvasLayer$1.prototype.onRemove = function () {
+      if (!this.isAdded_) {
+        return;
+      }
+
+      this.isAdded_ = false;
+      this.topLeft_ = null;
+
+      // remove canvas and listeners for pan and resize from map
+      this.canvas.parentElement.removeChild(this.canvas);
+      if (this.centerListener_) {
+        google.maps.event.removeListener(this.centerListener_);
+        this.centerListener_ = null;
+      }
+      if (this.resizeListener_) {
+        google.maps.event.removeListener(this.resizeListener_);
+        this.resizeListener_ = null;
+      }
+
+      // cease canvas update callbacks
+      if (this.requestAnimationFrameId_) {
+        this.cancelAnimFrame_.call(global$3, this.requestAnimationFrameId_);
+        this.requestAnimationFrameId_ = null;
+      }
+    };
+
+    /**
+     * The internal callback for resize events that resizes the canvas to keep the
+     * map properly covered.
+     * @private
+     */
+    CanvasLayer$1.prototype.resize_ = function () {
+      if (!this.isAdded_) {
+        return;
+      }
+
+      var map = this.getMap();
+      var mapWidth = map.getDiv().offsetWidth;
+      var mapHeight = map.getDiv().offsetHeight;
+
+      var newWidth = mapWidth * this.resolutionScale_;
+      var newHeight = mapHeight * this.resolutionScale_;
+      var oldWidth = this.canvas.width;
+      var oldHeight = this.canvas.height;
+
+      // resizing may allocate a new back buffer, so do so conservatively
+      if (oldWidth !== newWidth || oldHeight !== newHeight) {
+        this.canvas.width = newWidth;
+        this.canvas.height = newHeight;
+
+        this.needsResize_ = true;
+        this.scheduleUpdate();
+      }
+
+      // reset styling if new sizes don't match; resize of data not needed
+      if (this.canvasCssWidth_ !== mapWidth || this.canvasCssHeight_ !== mapHeight) {
+        this.canvasCssWidth_ = mapWidth;
+        this.canvasCssHeight_ = mapHeight;
+        this.canvas.style.width = mapWidth + 'px';
+        this.canvas.style.height = mapHeight + 'px';
+      }
+    };
+
+    /**
+     * @inheritDoc
+     */
+    CanvasLayer$1.prototype.draw = function () {
+      this.repositionCanvas_();
+    };
+
+    /**
+     * Internal callback for map view changes. Since the Maps API moves the overlay
+     * along with the map, this function calculates the opposite translation to
+     * keep the canvas in place.
+     * @private
+     */
+    CanvasLayer$1.prototype.repositionCanvas_ = function () {
+      // TODO(bckenny): *should* only be executed on RAF, but in current browsers
+      //     this causes noticeable hitches in map and overlay relative
+      //     positioning.
+
+      var map = this.getMap();
+
+      // topLeft can't be calculated from map.getBounds(), because bounds are
+      // clamped to -180 and 180 when completely zoomed out. Instead, calculate
+      // left as an offset from the center, which is an unwrapped LatLng.
+      var top = map.getBounds().getNorthEast().lat();
+      var center = map.getCenter();
+      var scale = Math.pow(2, map.getZoom());
+      var left = center.lng() - this.canvasCssWidth_ * 180 / (256 * scale);
+      this.topLeft_ = new google.maps.LatLng(top, left);
+
+      // Canvas position relative to draggable map's container depends on
+      // overlayView's projection, not the map's. Have to use the center of the
+      // map for this, not the top left, for the same reason as above.
+      var projection = this.getProjection();
+      var divCenter = projection.fromLatLngToDivPixel(center);
+      var offsetX = -Math.round(this.canvasCssWidth_ / 2 - divCenter.x);
+      var offsetY = -Math.round(this.canvasCssHeight_ / 2 - divCenter.y);
+      this.canvas.style[CanvasLayer$1.CSS_TRANSFORM_] = 'translate(' + offsetX + 'px,' + offsetY + 'px)';
+
+      this.scheduleUpdate();
+    };
+
+    /**
+     * Internal callback that serves as main animation scheduler via
+     * requestAnimationFrame. Calls resize and update callbacks if set, and
+     * schedules the next frame if overlay is animated.
+     * @private
+     */
+    CanvasLayer$1.prototype.update_ = function () {
+      this.requestAnimationFrameId_ = null;
+
+      if (!this.isAdded_) {
+        return;
+      }
+
+      if (this.isAnimated_) {
+        this.scheduleUpdate();
+      }
+
+      if (this.needsResize_ && this.resizeHandler_) {
+        this.needsResize_ = false;
+        this.resizeHandler_();
+      }
+
+      if (this.updateHandler_) {
+        this.updateHandler_();
+      }
+    };
+
+    /**
+     * A convenience method to get the current LatLng coordinate of the top left of
+     * the current view of the map.
+     * @return {google.maps.LatLng} The top left coordinate.
+     */
+    CanvasLayer$1.prototype.getTopLeft = function () {
+      return this.topLeft_;
+    };
+
+    /**
+     * Schedule a requestAnimationFrame callback to updateHandler. If one is
+     * already scheduled, there is no effect.
+     */
+    CanvasLayer$1.prototype.scheduleUpdate = function () {
+      if (this.isAdded_ && !this.requestAnimationFrameId_) {
+        this.requestAnimationFrameId_ = this.requestAnimFrame_.call(global$3, this.requestUpdateFunction_);
+      }
+    };
+  }
+
+  function Layer$1(map, dataSet, options) {
+      var intensity = new Intensity({
+          maxSize: options.maxSize,
+          gradient: options.gradient,
+          max: options.max
+      });
+
+      var category = new Category(options.splitList);
+
+      var choropleth = new Choropleth(options.splitList);
+
+      var resolutionScale = window.devicePixelRatio || 1;
+
+      // initialize the canvasLayer
+      var canvasLayerOptions = {
+          map: map,
+          animate: false,
+          updateHandler: update,
+          resolutionScale: resolutionScale
+      };
+
+      var canvasLayer = new CanvasLayer$1(canvasLayerOptions);
+
+      function update() {
+
+          var context = canvasLayer.canvas.getContext('2d');
+
+          clear(context);
+
+          for (var key in options) {
+              context[key] = options[key];
+          }
+
+          var pointCount = 0;
+          var lineCount = 0;
+          var polygonCount = 0;
+
+          /* We need to scale and translate the map for current view.
+           * see https://developers.google.com/maps/documentation/javascript/maptypes#MapCoordinates
+           */
+          var mapProjection = map.getProjection();
+
+          // scale is just 2^zoom
+          // If canvasLayer is scaled (with resolutionScale), we need to scale by
+          // the same amount to account for the larger canvas.
+          var scale = Math.pow(2, map.zoom) * resolutionScale;
+
+          var offset = mapProjection.fromLatLngToPoint(canvasLayer.getTopLeft());
+
+          var data = dataSet.get({
+              transferCoordinate: function transferCoordinate(coordinate) {
+                  var latLng = new google.maps.LatLng(coordinate[1], coordinate[0]);
+                  var worldPoint = mapProjection.fromLatLngToPoint(latLng);
+                  var pixel = {
+                      x: (worldPoint.x - offset.x) * scale,
+                      y: (worldPoint.y - offset.y) * scale
+                  };
+                  return [pixel.x, pixel.y];
+              }
+          });
+
+          for (var i = 0; i < data.length; i++) {
+              var item = data[i];
+              if (options.draw == 'bubble') {
+                  data[i].size = intensity.getSize(item.count);
+              } else if (options.draw == 'intensity') {
+                  if (data[i].geometry.type === 'LineString') {
+                      data[i].strokeStyle = intensity.getColor(item.count);
+                  } else {
+                      data[i].fillStyle = intensity.getColor(item.count);
+                  }
+              } else if (options.draw == 'category') {
+                  data[i].fillStyle = category.get(item.count);
+              } else if (options.draw == 'choropleth') {
+                  data[i].fillStyle = choropleth.get(item.count);
+              }
+          }
+
+          var maxCount = Math.max(Math.max(pointCount, lineCount), polygonCount);
+
+          if (options.draw == 'heatmap') {
+              drawHeatmap.draw(context, new DataSet(data), options);
+          } else if (options.draw == 'grid' || options.draw == 'honeycomb') {
+              var data1 = dataSet.get();
+              var minx = data1[0].geometry.coordinates[0];
+              var maxy = data1[0].geometry.coordinates[1];
+              for (var i = 1; i < data1.length; i++) {
+                  if (data1[i].geometry.coordinates[0] < minx) {
+                      minx = data1[i].geometry.coordinates[0];
+                  }
+                  if (data1[i].geometry.coordinates[1] > maxy) {
+                      maxy = data1[i].geometry.coordinates[1];
+                  }
+              }
+
+              var latLng = new google.maps.LatLng(minx, maxy);
+              var worldPoint = mapProjection.fromLatLngToPoint(latLng);
+
+              options.offset = {
+                  x: (worldPoint.x - offset.x) * scale,
+                  y: (worldPoint.y - offset.y) * scale
+              };
+              if (options.draw == 'grid') {
+                  drawGrid.draw(context, new DataSet(data), options);
+              } else {
+                  drawHoneycomb.draw(context, new DataSet(data), options);
+              }
+          } else {
+              console.log('hehe');
+              drawSimple.draw(context, new DataSet(data), options);
+          }
+      }
+  }
+
+  var geojson = {
+      getDataSet: function getDataSet(geoJson) {
+
+          var data = [];
+          var features = geoJson.features;
+          for (var i = 0; i < features.length; i++) {
+              var feature = features[i];
+              var geometry = feature.geometry;
+              var properties = feature.properties;
+              var item = {};
+              for (var key in properties) {
+                  item[key] = properties[key];
+              }
+              item.geometry = geometry;
+              data.push(item);
+          }
+          return new DataSet(data);
+      }
+  };
+
+  var csv = {
+      CSVToArray: function CSVToArray(strData, strDelimiter) {
+          // Check to see if the delimiter is defined. If not,
+          // then default to comma.
+          strDelimiter = strDelimiter || ",";
+
+          // Create a regular expression to parse the CSV values.
+          var objPattern = new RegExp(
+          // Delimiters.
+          "(\\" + strDelimiter + "|\\r?\\n|\\r|^)" +
+
+          // Quoted fields.
+          "(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +
+
+          // Standard fields.
+          "([^\"\\" + strDelimiter + "\\r\\n]*))", "gi");
+
+          // Create an array to hold our data. Give the array
+          // a default empty first row.
+          var arrData = [[]];
+
+          // Create an array to hold our individual pattern
+          // matching groups.
+          var arrMatches = null;
+
+          // Keep looping over the regular expression matches
+          // until we can no longer find a match.
+          while (arrMatches = objPattern.exec(strData)) {
+
+              // Get the delimiter that was found.
+              var strMatchedDelimiter = arrMatches[1];
+
+              // Check to see if the given delimiter has a length
+              // (is not the start of string) and if it matches
+              // field delimiter. If id does not, then we know
+              // that this delimiter is a row delimiter.
+              if (strMatchedDelimiter.length && strMatchedDelimiter !== strDelimiter) {
+
+                  // Since we have reached a new row of data,
+                  // add an empty row to our data array.
+                  arrData.push([]);
+              }
+
+              var strMatchedValue;
+
+              // Now that we have our delimiter out of the way,
+              // let's check to see which kind of value we
+              // captured (quoted or unquoted).
+              if (arrMatches[2]) {
+
+                  // We found a quoted value. When we capture
+                  // this value, unescape any double quotes.
+                  strMatchedValue = arrMatches[2].replace(new RegExp("\"\"", "g"), "\"");
+              } else {
+
+                  // We found a non-quoted value.
+                  strMatchedValue = arrMatches[3];
+              }
+
+              // Now that we have our value string, let's add
+              // it to the data array.
+              arrData[arrData.length - 1].push(strMatchedValue);
+          }
+
+          // Return the parsed data.
+          return arrData;
+      },
+
+      getDataSet: function getDataSet(csvStr) {
+
+          var arr = this.CSVToArray(csvStr, ',');
+
+          var data = [];
+
+          var header = arr[0];
+
+          for (var i = 1; i < arr.length - 1; i++) {
+              var line = arr[i];
+              var item = {};
+              for (var j = 0; j < line.length; j++) {
+                  var value = line[j];
+                  if (header[j] == 'geometry') {
+                      value = JSON.parse(value);
+                  }
+                  item[header[j]] = value;
+              }
+              data.push(item);
+          }
+
+          return new DataSet(data);
+      }
+  };
+
+  exports.version = version;
+  exports.x = X;
+  exports.X = X;
+  exports.Flate = Flate;
+  exports.Earth = Earth;
+  exports.canvasClear = clear;
+  exports.canvasResolutionScale = resolutionScale;
+  exports.canvasDrawSimple = drawSimple;
+  exports.canvasDrawHeatmap = drawHeatmap;
+  exports.canvasDrawGrid = drawGrid;
+  exports.canvasDrawHoneycomb = drawHoneycomb;
+  exports.utilCityCenter = cityCenter;
+  exports.utilCurve = curve;
+  exports.utilForceEdgeBundling = ForceEdgeBundling;
+  exports.utilDataRangeIntensity = Intensity;
+  exports.utilDataRangeCategory = Category;
+  exports.utilDataRangeChoropleth = Choropleth;
+  exports.Timer = Timer;
+  exports.Animator = Animator;
+  exports.Map = MapHelper;
+  exports.baiduMapCanvasLayer = CanvasLayer;
+  exports.baiduMapLayer = Layer;
+  exports.googleMapCanvasLayer = CanvasLayer$1;
+  exports.googleMapLayer = Layer$1;
+  exports.DataSet = DataSet;
+  exports.geojson = geojson;
+  exports.csv = csv;
+
+}));
\ No newline at end of file
diff --git a/build/release/mapv.v2.0.2.min.js b/build/release/mapv.v2.0.2.min.js
new file mode 100644
index 00000000..994590c1
--- /dev/null
+++ b/build/release/mapv.v2.0.2.min.js
@@ -0,0 +1,2 @@
+!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";function e(){var t=document.createElement("canvas"),e=t.getContext("2d"),n=e.createLinearGradient(0,0,256,0);n.addColorStop(1,"#F00"),n.addColorStop(.6,"#FFFC00"),n.addColorStop(.3,"#00FF1D"),n.addColorStop(0,"#000BFF"),e.fillStyle=n,e.fillRect(0,0,256,1);var i=e.getImageData(0,0,256,1);return i.data}function n(t){t=t||{},this.gradient=t.gradient||{.25:"rgba(0, 0, 255, 1)",.55:"rgba(0, 255, 0, 1)",.85:"rgba(255, 255, 0, 1)",1:"rgba(255, 0, 0, 1)"},this.maxSize=t.maxSize||35,this.max=t.max||100,this.initPalette()}function i(t){function e(t){requestAnimationFrame(e),n.render()}this.container=t,this.init();var n=this;this.group=new THREE.Group,this.center=[105,33],requestAnimationFrame(e)}function a(t){function e(t){requestAnimationFrame(e),n.render()}this.container=t,this.init();var n=this;requestAnimationFrame(e)}function r(t){for(var e=V;e<j;++e){for(var n=N[e][0],i=N[e][1],a=N[e][2],r=N[e][3],g=.04*Math.random(),h=[],c=8,u=0;u<c+1;u++){var p=180*u/c,d=t+Math.sin(p*Math.PI/180)*g,f=o(n,i,a,r,u/c),v=s(f.lat,f.lng,d);h.push(new THREE.Vector3(v.x,v.y,v.z))}var m=new THREE.SplineCurve3(h);Z.push(m);var y=m.getLength();X.push(y),l(e)}}function o(t,e,n,i,a){t=t*Math.PI/180,e=e*Math.PI/180,n=n*Math.PI/180,i=i*Math.PI/180;var r=2*Math.asin(Math.sqrt(Math.pow(Math.sin((t-n)/2),2)+Math.cos(t)*Math.cos(n)*Math.pow(Math.sin((e-i)/2),2))),o=Math.sin((1-a)*r)/Math.sin(r),s=Math.sin(a*r)/Math.sin(r),g=o*Math.cos(t)*Math.cos(e)+s*Math.cos(n)*Math.cos(i),h=o*Math.cos(t)*Math.sin(e)+s*Math.cos(n)*Math.sin(i),c=o*Math.sin(t)+s*Math.sin(n),l=180*Math.atan2(c,Math.sqrt(Math.pow(g,2)+Math.pow(h,2)))/Math.PI,u=180*Math.atan2(h,g)/Math.PI;return{lat:l,lng:u}}function s(t,e,n){var i=(90-t)*Math.PI/180,a=(360-e)*Math.PI/180;return{x:n*Math.sin(i)*Math.cos(a),y:n*Math.cos(i),z:n*Math.sin(i)*Math.sin(a)}}function g(){for(var t=32,e=new THREE.BufferGeometry,n=new THREE.LineBasicMaterial({color:16776960,vertexColors:THREE.VertexColors,transparent:!0,opacity:J,depthTest:!0,depthWrite:!1,linewidth:1.0001}),i=new Float32Array(3*N.length*2*t),a=new Float32Array(3*N.length*2*t),r=V;r<j;++r)for(var o=0;o<t-1;++o){var s=Z[r].getPoint(o/(t-1)),g=Z[r].getPoint((o+1)/(t-1));i[6*(r*t+o)+0]=s.x,i[6*(r*t+o)+1]=s.y,i[6*(r*t+o)+2]=s.z,i[6*(r*t+o)+3]=g.x,i[6*(r*t+o)+4]=g.y,i[6*(r*t+o)+5]=g.z,a[6*(r*t+o)+0]=1,a[6*(r*t+o)+1]=.4,a[6*(r*t+o)+2]=1,a[6*(r*t+o)+3]=1,a[6*(r*t+o)+4]=.4,a[6*(r*t+o)+5]=1}return e.addAttribute("position",new THREE.BufferAttribute(i,3)),e.addAttribute("color",new THREE.BufferAttribute(a,3)),e.computeBoundingSphere(),new THREE.Line(e,n,THREE.LinePieces)}function h(){W=new THREE.BufferGeometry;var t=N.length;G=new Float32Array(3*t);for(var e=new Float32Array(3*t),n=new Float32Array(t),i=0;i<t;i++)G[3*i+0]=0,G[3*i+1]=0,G[3*i+2]=0,e[3*i+0]=Math.random(),e[3*i+1]=Math.random(),e[3*i+2]=Math.random(),n[i]=.1;W.addAttribute("position",new THREE.BufferAttribute(G,3)),W.addAttribute("customColor",new THREE.BufferAttribute(e,3)),W.addAttribute("size",new THREE.BufferAttribute(n,1)),W.computeBoundingBox();var a={color:{type:"c",value:new THREE.Color(16777215)},texture:{type:"t",value:THREE.ImageUtils.loadTexture("images/point.png")}},r=new THREE.ShaderMaterial({uniforms:a,vertexShader:document.getElementById("vertexshader").textContent,fragmentShader:document.getElementById("fragmentshader").textContent,blending:THREE.AdditiveBlending,depthTest:!0,depthWrite:!1,transparent:!0});return new THREE.Points(W,r)}function c(){if(W){W.attributes.position.needsUpdate=!0;for(var t=V;t<j;++t)if(Date.now()>Q[t]){var e=u(Date.now()-Q[t],0,1,Y[t]-Q[t]);(e<0||K)&&(e=0,l(t));var n=Z[t].getPoint(e);G[3*t+0]=n.x,G[3*t+1]=n.y,G[3*t+2]=n.z}}}function l(t){var e=($-tt)/(et-tt),n=(1-e)*X[t]*8e4,i=Date.now()+5e3*Math.random();Q[t]=i,Y[t]=i+n}function u(t,e,n,i){return(t/=i/2)<1?n/2*t*t+e:-n/2*(--t*(t-2)-1)+e}function p(t){t.clearRect(0,0,t.canvas.width,t.canvas.height)}function d(t){var e=window.devicePixelRatio;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)}function f(){this._subscribers={}}function v(t,e){this._options=e||{},this._data=[],t&&this.add(t)}function m(t){if("undefined"==typeof document)var e=require("canvas"),n=new e;else var n=document.createElement("canvas");var i=n.getContext("2d"),a=t/2,r=t+a,o=1e4;return n.width=n.height=2*r,i.shadowBlur=a,i.shadowColor="black",i.shadowOffsetX=i.shadowOffsetY=o,i.beginPath(),i.arc(r-o,r-o,t,0,2*Math.PI,!0),i.closePath(),i.fill(),n}function y(t,e,n){for(var i,a=n.maxOpacity||.8,r=3,o=t.length;r<o;r+=4)i=4*t[r],t[r]/256>a&&(t[r]=256*a),t[r-3]=e[i],t[r-2]=e[i+1],t[r-1]=e[i+2]}function w(t,e,i){var a=i.max||100,r=i._size;void 0==r&&(r=i.size,void 0==r&&(r=13));var o=new n({gradient:i.gradient,max:a}),s=m(r),g=e,h={};g.forEach(function(t,e){var n=void 0===t.count?1:t.count,i=Math.min(1,n/a).toFixed(2);h[i]=h[i]||[],h[i].push(t)});for(var c in h)if(!isNaN(c)){var l=h[c];t.beginPath(),i.withoutAlpha||(t.globalAlpha=c),l.forEach(function(e,n){if(e.geometry){var r=e.geometry._coordinates||e.geometry.coordinates,o=e.geometry.type;if("Point"===o){var g=void 0===e.count?1:e.count;t.globalAlpha=g/a,t.drawImage(s,r[0]-s.width/2,r[1]-s.height/2)}else"LineString"===o&&nt.draw(t,e,i)}}),t.strokeStyle=o.getColor(c*a),t.stroke()}}function x(t,e,n){var i=n.strength||.3;t.strokeStyle="rgba(0,0,0,"+i+")",n=n||{};var a=e.get();if(t.save(),w(t,a,n),!n.absolute){var r=t.getImageData(0,0,t.canvas.width,t.canvas.height);y(r.data,at.getImageData({defaultGradient:n.gradient||{.25:"rgba(0, 0, 255, 1)",.55:"rgba(0, 255, 0, 1)",.85:"rgba(255, 255, 0, 1)",1:"rgba(255, 0, 0, 1)"}}),n),t.putImageData(r,0,0),t.restore()}}function E(t,e,n){var i=60*n+30,a=Math.PI/180*i;return[t.x+e*Math.cos(a),t.y+e*Math.sin(a)]}function _(t){var e=t.split("|");return e[0]=e[0].split(","),{lng:parseFloat(e[0][0]),lat:parseFloat(e[0][1])}}function M(t){for(var e=[],n=0;n<t.length-1;n++){var i=b(t[n],t[n+1]);i&&i.length>0&&(e=e.concat(i))}return e}function b(t,e){if(!t||!e)return null;var n,i,a,r,o,s,g,h=function(t){return 1-2*t+t*t},c=function(t){return 2*t-2*t*t},l=function(t){return t*t},u=[],p=40,d=0,f=0;if("undefined"==typeof e)return void("undefined"!=typeof u&&(u=[]));var v=parseFloat(t.lat),m=parseFloat(e.lat),y=parseFloat(t.lng),w=parseFloat(e.lng);for(w>y&&parseFloat(w-y)>180&&y<0&&(y=parseFloat(360+y)),y>w&&parseFloat(y-w)>180&&w<0&&(w=parseFloat(360+w)),s=0,g=0,m==v?(n=0,i=y-w):w==y?(n=Math.PI/2,i=v-m):(n=Math.atan((m-v)/(w-y)),i=(m-v)/Math.sin(n)),0==g&&(g=n+Math.PI/5),a=i/2,o=a*Math.cos(g)+y,r=a*Math.sin(g)+v,d=0;d<p+1;d++)u.push([y*h(f)+o*c(f)+w*l(f),v*h(f)+r*c(f)+m*l(f)]),f+=1/p;return u}function R(t){this.splitList=t||{other:1}}function S(t){this.splitList=t||[{start:0,value:"red"}]}function T(t,e){return function(n){return Math.max(Math.min(n,e),t)}}function H(t,e){var n=T(0,1);return function(i){return n((i-t)/(e-t))}}function C(t,e){function n(n){return i(t*(1-n)+n*e)}var i=T(t,e);return n.invert=function(){return H(t,e)},n}function L(t,e){if(!e.steps)throw new Error("steps option missing");this.options=e,this.running=!1,this._tick=this._tick.bind(this),this._t0=+new Date,this.callback=t,this._time=0,this.itemsReady=!1,this.options.animationDelay=0,this.options.maxDelta=.2,this.options.loop=void 0===e.loop||e.loop,e.stepsRange=e.stepsRange||{start:0,end:100},this.steps(e.stepsRange.start||0,e.stepsRange.end||100),e.stepsRange&&void 0!==e.stepsRange.start&&void 0!==e.stepsRange.end&&this.stepsRange(e.stepsRange.start,e.stepsRange.end)}function z(t){this.options=t||{},this.paneName=this.options.paneName||"labelPane",this.zIndex=this.options.zIndex||0,this.mixBlendMode=this.options.mixBlendMode||null,this._map=t.map,this._lastDrawTime=null,this.show()}function A(t,e,n){function i(i){var o=Math.pow(2,18-t.getZoom()),h=t.getMapType().getProjection(),c=h.lngLatToPoint(t.getCenter()),l=new BMap.Pixel(c.x-t.getSize().width/2*o,c.y+t.getSize().height/2*o),u=this.canvas.getContext("2d");if(g){if(void 0===i)return;u.save(),u.globalCompositeOperation="destination-out",u.fillStyle="rgba(0, 0, 0, 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0,"intensity"==a.options.draw?"LineString"===r[y].geometry.type?r[y].strokeStyle=a.intensity.getColor(w.count):r[y].fillStyle=a.intensity.getColor(w.count):"category"==a.options.draw?r[y].fillStyle=a.category.get(w.count):"choropleth"==a.options.draw&&(r[y].fillStyle=a.choropleth.get(w.count))}if(!(a.options.minZoom&&t.getZoom()<a.options.minZoom||a.options.maxZoom&&t.getZoom()>a.options.maxZoom)){switch("m"==a.options.unit&&a.options.size?a.options._size=a.options.size/o:a.options._size=a.options.size,a.options.draw){case"heatmap":rt.draw(u,new v(r),a.options);break;case"grid":case"honeycomb":var x=t.pointToPixel(new BMap.Point(0,0));a.options.offset={x:x.x,y:x.y},"grid"==a.options.draw?ot.draw(u,new v(r),a.options):st.draw(u,new v(r),a.options);break;case"text":wt.draw(u,new v(r),a.options);break;case"icon":xt.draw(u,r,a.options);break;case"clip":u.save(),u.fillStyle=n.fillStyle||"rgba(0, 0, 0, 0.5)",u.fillRect(0,0,u.canvas.width,u.canvas.height),it.draw(u,r,a.options),u.beginPath(),nt.drawDataSet(u,new v(r),a.options),u.clip(),p(u),u.restore();break;default:it.draw(u,r,a.options)}n.updateCallback&&n.updateCallback(i)}}e instanceof v||(e=new v(e)),this.dataSet=e;var a=this,r=null;n=n||{},a.init(n),a.argCheck(n),a.map=t;var o=this.canvasLayer=new z({map:t,paneName:n.paneName,mixBlendMode:n.mixBlendMode,zIndex:n.zIndex,update:i});e.on("change",function(){o.draw()});var s=a.options.animation,g=s&&!(s.enabled===!1);if("time"==a.options.draw||g){var h=new L(function(t){i.call(o,t)},{steps:s.steps||100,stepsRange:s.stepsRange||100,animationDuration:s.duration||10});h.start(),t.addEventListener("movestart",function(){h.pause()}),t.addEventListener("moveend",function(){h.start()})}a.options.methods&&a.options.methods.click&&(t.setDefaultCursor("default"),t.addEventListener("click",function(t){for(var n=t.pixel,i=o.canvas.getContext("2d"),r=e.get(),s=0;s<r.length;s++)if(i.beginPath(),nt.draw(i,r[s],a.options),i.isPointInPath(n.x*o.devicePixelRatio,n.y*o.devicePixelRatio))return void a.options.methods.click(r[s],t)}))}function F(t){function e(t,e){return function(){e.apply(t)}}this.isAdded_=!1,this.isAnimated_=!1,this.paneName_=F.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 n=document.createElement("canvas");n.style.position="absolute",n.style.top=0,n.style.left=0,n.style.pointerEvents="none",this.canvas=n,this.canvasCssWidth_=300,this.canvasCssHeight_=150,this.resolutionScale_=1,this.repositionFunction_=e(this,this.repositionCanvas_),this.resizeFunction_=e(this,this.resize_),this.requestUpdateFunction_=e(this,this.update_),t&&this.setOptions(t)}function k(t,e,i){function a(){var n=c.canvas.getContext("2d");p(n);for(var a in i)n[a]=i[a];for(var h=0,l=0,u=0,d=t.getProjection(),f=Math.pow(2,t.zoom)*g,m=d.fromLatLngToPoint(c.getTopLeft()),y=e.get({transferCoordinate:function(t){var e=new google.maps.LatLng(t[1],t[0]),n=d.fromLatLngToPoint(e),i={x:(n.x-m.x)*f,y:(n.y-m.y)*f};return[i.x,i.y]}}),w=0;w<y.length;w++){var x=y[w];"bubble"==i.draw?y[w].size=r.getSize(x.count):"intensity"==i.draw?"LineString"===y[w].geometry.type?y[w].strokeStyle=r.getColor(x.count):y[w].fillStyle=r.getColor(x.count):"category"==i.draw?y[w].fillStyle=o.get(x.count):"choropleth"==i.draw&&(y[w].fillStyle=s.get(x.count))}Math.max(Math.max(h,l),u);if("heatmap"==i.draw)rt.draw(n,new v(y),i);else if("grid"==i.draw||"honeycomb"==i.draw){for(var E=e.get(),_=E[0].geometry.coordinates[0],M=E[0].geometry.coordinates[1],w=1;w<E.length;w++)E[w].geometry.coordinates[0]<_&&(_=E[w].geometry.coordinates[0]),E[w].geometry.coordinates[1]>M&&(M=E[w].geometry.coordinates[1]);var b=new google.maps.LatLng(_,M),R=d.fromLatLngToPoint(b);i.offset={x:(R.x-m.x)*f,y:(R.y-m.y)*f},"grid"==i.draw?ot.draw(n,new v(y),i):st.draw(n,new v(y),i)}else it.draw(n,new v(y),i)}var r=new n({maxSize:i.maxSize,gradient:i.gradient,max:i.max}),o=new R(i.splitList),s=new S(i.splitList),g=window.devicePixelRatio||1,h={map:t,animate:!1,updateHandler:a,resolutionScale:g},c=new F(h)}var I="2.0.1",D=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},B=function(){function t(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)}}return function(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),e}}(),q=function(){function t(e,n){D(this,t),this.dom=e,this.opt=n,this.init()}return B(t,[{key:"init",value:function(){function t(){requestAnimationFrame(t),r.render(i,a),o.update()}var n=1,i=new THREE.Scene,a=new THREE.PerspectiveCamera(75,window.innerWidth/window.innerHeight,.01,1e8),r=new THREE.WebGLRenderer,o=new THREE.OrbitControls(a,r.domElement);o.enableDamping=!0,o.dampingFactor=.25,r.setSize(this.dom.clientWidth,this.dom.clientHeight),this.dom.appendChild(r.domElement);var s=new THREE.PlaneGeometry(80*n,50*n,10,10),g=new THREE.MeshBasicMaterial({color:5789784,wireframe:!0}),h=window.cube=new THREE.Mesh(s,g);h.rotateX(-Math.PI/2),i.add(h),a.position.y=50*n,a.position.z=50*n,a.lookAt(new THREE.Vector3(0,0,0)),t();var c=this.opt.grid.size*n,l={},u=1/0,p=-(1/0);for(var d in data){var f=parseInt(data[d].lng*n/c)*c,v=parseInt(data[d].lat*n/c)*c;l[f+"_"+v]=l[f+"_"+v]||0,l[f+"_"+v]++,p=Math.max(p,l[f+"_"+v]),u=Math.min(u,l[f+"_"+v])}var m=e(),y=new THREE.Object3D;for(var d in l){var w=p==u?0:(l[d]-u)/(p-u),x=parseInt(w*(m.length/4))-1;x=x<0?0:x;var E=m[4*x].toString(16);E=E.length<2?"0"+E:E;var _=m[4*x+1].toString(16);_=_.length<2?"0"+_:_;var M=m[4*x+2].toString(16);M=M.length<2?"0"+M:M;var b=1.5*l[d],s=new THREE.BoxGeometry(.9*c,b,.9*c),g=new THREE.MeshBasicMaterial({color:"#"+E+_+M}),h=new THREE.Mesh(s,g),R=d.split("_");h.position.x=R[0]-this.opt.center.lng*n,h.position.y=b/2,h.position.z=this.opt.center.lat*n-R[1],y.add(h)}i.add(y)}}]),t}();n.prototype.initPalette=function(){var t=this.gradient;if("undefined"==typeof document)var e=require("canvas"),n=new e(256,1);else var n=document.createElement("canvas");n.width=256,n.height=1;var i=this.paletteCtx=n.getContext("2d"),a=i.createLinearGradient(0,0,256,1);for(var r in t)a.addColorStop(parseFloat(r),t[r]);i.fillStyle=a,i.fillRect(0,0,256,1)},n.prototype.getColor=function(t){var e=this.max;t>e&&(t=e);var n=4*Math.floor(t/e*255),i=this.paletteCtx.getImageData(0,0,256,1).data;return"rgba("+i[n]+", "+i[n+1]+", "+i[n+2]+", "+i[n+3]/256+")"},n.prototype.getSize=function(t){var e=0,n=this.max,i=this.maxSize;return t>n&&(t=n),e=t/n*i},i.prototype.init=function(){this.intensity=new n({gradient:{0:"#006bab",1:"#002841"},max:100});var t=this.container.offsetWidth,e=this.container.offsetHeight,i=this.camera=new THREE.PerspectiveCamera(40,t/e,.01,9e3);i.position.x=0,i.position.y=0,i.position.z=85,i.lookAt(new THREE.Vector3(0,0,0));var a=this.scene=new THREE.Scene,r=this.renderer=new THREE.WebGLRenderer({alpha:!0});r.setPixelRatio(window.devicePixelRatio),r.setSize(t,e),this.container.appendChild(r.domElement);var o=THREE.ImageUtils.loadTexture("images/china.png"),s=new THREE.MeshBasicMaterial({map:o,transparent:!0,side:THREE.DoubleSide}),g=new THREE.PlaneGeometry(100,100,1,1),h=new THREE.Mesh(g,s);h.position.x=0,h.position.y=0,h.position.z=0;var c=new THREE.PointLight("rgb(50, 50, 250)");c.position.set(0,0,35),a.add(c);var l=20,u=new THREE.Geometry,p=new THREE.QuadraticBezierCurve3;p.v0=new THREE.Vector3(0,0,0),p.v1=new THREE.Vector3(20,20,0),p.v2=new THREE.Vector3(40,40,0);for(var d=0;d<l;d++)u.vertices.push(p.getPoint(d/l));var f=new THREE.LineBasicMaterial({color:16711680,linewidth:95});this.line=new THREE.Line(u,f);this.current=0},i.prototype.render=function(){var t=50,e=new THREE.Geometry,n=new THREE.QuadraticBezierCurve3;n.v0=new THREE.Vector3(0,0,0),n.v1=new THREE.Vector3(25,25,50),n.v2=new THREE.Vector3(50,50,0),this.current+=.01,this.current>1&&(this.current=0);for(var i=0;i<t;i++){var a=i/t;a<this.current&&e.vertices.push(n.getPoint(a))}this.renderer.render(this.scene,this.camera)},i.prototype.setDataSet=function(t){var e=document.createElement("canvas"),n=e.getContext("2d");e.width=50,e.height=50,n.fillStyle="rgba(255,255,50,0.75)",n.arc(25,25,10,0,2*Math.PI),n.fill();var i=new THREE.Texture(e);i.needsUpdate=!0;var a=new THREE.MeshBasicMaterial({map:i,side:THREE.DoubleSide});a.transparent=!0;for(var r=t.get(),o=r,s=0;s<o.length;s++){var g=o[s];if("Polygon"==g.geometry.type){var h=this.getCoordinates(g.geometry.coordinates[0]);this.addShape(h)}else if("MultiPolygon"==g.geometry.type)for(var 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n=s(M[e.source],{source:M[t.source],target:M[t.target]}),i=s(M[e.target],{source:M[t.source],target:M[t.target]}),a={x:(n.x+i.x)/2,y:(n.y+i.y)/2},r={x:(M[t.source].x+M[t.target].x)/2,y:(M[t.source].y+M[t.target].y)/2},g=Math.max(0,1-2*o(r,a)/o(n,i));return g}function w(t,e){return Math.min(y(t,e),y(e,t))}function x(t,e){var n=f(t,e)*v(t,e)*m(t,e)*w(t,e);return n}function E(t,e){return x(t,e)>=k}function _(){for(var t=0;t<b.length-1;t++)for(var e=t+1;e<b.length;e++)t!=e&&E(b[t],b[e])&&(R[t].push(e),R[e].push(t))}var M={},b=[],R=[],S=[],T=.1,H=.1,C=1,L=2,z=6,A=70,F=.6666667,k=.6,I=1e-8,D=function(){var t=H,e=A,n=C;g(),h(),d(n),_();for(var i=0;i<z;i++){for(var a=0;a<e;a++){for(var r=[],o=0;o<b.length;o++)r[o]=p(o,n,t);for(var s=0;s<b.length;s++)for(var c=0;c<n+1;c++)S[s][c].x+=r[s][c].x,S[s][c].y+=r[s][c].y}t/=2,n=2*n,e=F*e,d(n)}return S};return D.nodes=function(t){return 0==arguments.length?M:(M=t,D)},D.edges=function(t){return 0==arguments.length?b:(b=c(t),D)},D.bundling_stiffness=function(t){return 0==arguments.length?T:(T=t,D)},D.step_size=function(t){return 0==arguments.length?H:(H=t,D)},D.cycles=function(t){return 0==arguments.length?z:(z=t,D)},D.iterations=function(t){return 0==arguments.length?A:(A=t,D)},D.iterations_rate=function(t){return 0==arguments.length?F:(F=t,D)},D.subdivision_points_seed=function(t){return 0==arguments.length?P:(P=t,D)},D.subdivision_rate=function(t){return 0==arguments.length?L:(L=t,D)},D.compatbility_threshold=function(t){return 0==arguments.length?compatbility_threshold:(k=t,D)},D};R.prototype.get=function(t){var e=this.splitList,n=e.other;for(var i in e)if(t==i){n=e[i];break}return n},R.prototype.generateByDataSet=function(t){var e=["rgba(255, 255, 0, 0.8)","rgba(253, 98, 104, 0.8)","rgba(255, 146, 149, 0.8)","rgba(255, 241, 193, 0.8)","rgba(110, 176, 253, 0.8)","rgba(52, 139, 251, 0.8)","rgba(17, 102, 252, 0.8)"],n=t.get();this.splitList={};for(var i=0,a=0;a<n.length&&(void 0===this.splitList[n[a].count]&&(this.splitList[n[a].count]=e[i],i++),!(i>=e.length-1));a++);this.splitList.other=e[e.length-1]},S.prototype.get=function(t){for(var e=this.splitList,n=!1,i=0;i<e.length;i++)if((void 0===e[i].start||void 0!==e[i].start&&t>=e[i].start)&&(void 0===e[i].end||void 0!==e[i].end&&t<e[i].end)){n=e[i].value;break}return n},S.prototype.generateByDataSet=function(t){var e=t.getMin("count"),n=t.getMax("count");this.generateByMinMax(e,n)},S.prototype.generateByMinMax=function(t,e){var n=["rgba(255, 255, 0, 0.8)","rgba(253, 98, 104, 0.8)","rgba(255, 146, 149, 0.8)","rgba(255, 241, 193, 0.8)","rgba(110, 176, 253, 0.8)","rgba(52, 139, 251, 0.8)","rgba(17, 102, 252, 0.8)"],i=(e-t)/7,a=t;this.splitList=[];for(var r=0;a<e;)this.splitList.push({start:a,end:a+i,value:n[r]}),r++,a+=i};var ut=function(){function t(e,n){D(this,t),this._call=e,this._runing=!1,this.start()}return B(t,[{key:"start",value:function(){this._runing=!0,requestAnimationFrame(this._launch.bind(this))}},{key:"stop",value:function(){this._runing=!1}},{key:"_launch",value:function(t){this._runing&&(this._call&&this._call(t),requestAnimationFrame(this._launch.bind(this)))}}]),t}(),pt=function(t,e){if(t<0)throw new Error("start must be a positive number");if(t>=e)throw new Error("start must be smaller than end");this.start=t,this.end=e};pt.prototype={diff:function(){return this.end-this.start},isLast:function(t){return(0|t)===this.end}};var dt="undefined"==typeof window?{}:window,ft=dt.requestAnimationFrame||dt.mozRequestAnimationFrame||dt.webkitRequestAnimationFrame||dt.msRequestAnimationFrame||function(t){return dt.setTimeout(t,1e3/60)},vt=dt.cancelAnimationFrame||dt.mozCancelAnimationFrame||dt.webkitCancelAnimationFrame||dt.msCancelAnimationFrame||function(t){clearTimeout(t)};L.prototype={start:function(){this.running=!0,ft(this._tick),this.options.onStart&&this.options.onStart(),1===this.stepsRange().diff()&&(this.running=!1)},isRunning:function(){return this.running},stop:function(){this.pause(),this.time(this.stepsRange().start),this.options.onStop&&this.options.onStop()},time:function(t){if(!arguments.length)return this._time;this._time=t;var e=this.range(this.domain(this._time));this.callback(e)},toggle:function(){this.running?this.pause():this.start()},rescale:function(){return this.domainInv=C(this.options.animationDelay,this.options.animationDelay+this.options.animationDuration),this.domain=this.domainInv.invert(),this.range=C(0,this._defaultStepsRange.end),this.rangeInv=this.range.invert(),this.time(this._time),this.running?this.start():this.pause(),this},duration:function(t){return arguments.length?(this.options.animationDuration=t,this.time()>t&&this.time(0),this.rescale(),this):this.options.animationDuration},steps:function(t,e){return this._defaultStepsRange=new pt(t,e),this.rescale()},stepsRange:function(t,e){if(2===arguments.length){if(t<this._defaultStepsRange.start)throw new Error("start must be within default steps range");if(e>this._defaultStepsRange.end)throw new Error("end must be within default steps range");this._customStepsRange=new pt(t,e),this.options.onStepsRange&&this.options.onStepsRange();var n=0|this.step();(n<t||n>e)&&this.step(t)}return this._customStepsRange||this._defaultStepsRange},removeCustomStepsRange:function(){this._customStepsRange=void 0,this.options.onStepsRange&&this.options.onStepsRange()},step:function(t){return 0===arguments.length?this.range(this.domain(this._time)):void(this._time=this.domainInv(this.rangeInv(t)))},pause:function(){this.running=!1,vt(this._tick),this.options.onPause&&this.options.onPause()},_tick:function(){var t=+new Date,e=.001*(t-this._t0);e=Math.min(this.options.maxDelta,e),this._t0=t,this._time+=e;var n=this.stepsRange();n.isLast(this.step())&&(this.options.loop?this.step(n.start):(this.time(this.options.animationDuration),this.pause())),this.running&&(this.time(this._time),ft(this._tick))}};var mt=function(){function t(e,n,i){if(D(this,t),!e||!n)return!1;if("baidu"==n&&!BMap)return!1;this.type=n;var a=i&&i.center?i.center:[106.962497,38.208726],r=i&&i.zoom?i.zoom:5,o=this.map=new BMap.Map(e,{enableMapClick:!1});o.centerAndZoom(new BMap.Point(a[0],a[1]),r),o.enableScrollWheelZoom(!0),o.setMapStyle({style:"light"})}return B(t,[{key:"addLayer",value:function(t,e){if("baidu"==this.type)return new mapv.baiduMapLayer(this.map,dataSet,e)}},{key:"getMap",value:function(){return this.map}}]),t}(),yt="undefined"==typeof window?{}:window;yt.BMap&&(z.prototype=new BMap.Overlay,z.prototype.initialize=function(t){this._map=t;var e=this.canvas=document.createElement("canvas");e.style.cssText="position:absolute;left:0;top:0;z-index:"+this.zIndex+";",e.style.mixBlendMode=this.mixBlendMode,this.adjustSize(),t.getPanes()[this.paneName].appendChild(e);var n=this;return t.addEventListener("resize",function(){n.adjustSize(),n._draw()}),this.canvas},z.prototype.adjustSize=function(){var t=this._map.getSize(),e=this.canvas,n=this.devicePixelRatio=yt.devicePixelRatio;e.width=t.width*n,e.height=t.height*n,e.getContext("2d").scale(n,n),e.style.width=t.width+"px",e.style.height=t.height+"px"},z.prototype.draw=function(){var t=this;clearTimeout(t.timeoutID),t.timeoutID=setTimeout(function(){t._draw()},15)},z.prototype._draw=function(){var t=this._map,e=t.getSize(),n=t.getCenter();if(n){var i=t.pointToOverlayPixel(n);this.canvas.style.left=i.x-e.width/2+"px",this.canvas.style.top=i.y-e.height/2+"px",this.dispatchEvent("draw"),this.options.update&&this.options.update.call(this)}},z.prototype.getContainer=function(){return this.canvas},z.prototype.show=function(){this.canvas||this._map.addOverlay(this),this.canvas.style.display="block"},z.prototype.hide=function(){this.canvas.style.display="none"},z.prototype.setZIndex=function(t){this.canvas.style.zIndex=t},z.prototype.getZIndex=function(){return this.zIndex});var wt={draw:function(t,e,n){var i=e.get();t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var a in n)t[a]=n[a];for(var r=n.offset||{x:0,y:0},o=n.textKey||"text",s=0,g=i.length;s<g;s++){var h=i[s].geometry._coordinates||i[s].geometry.coordinates;t.fillText(i[s][o],h[0]+r.x,h[1]+r.y)}}},xt={draw:function(t,e,n){var i=e instanceof v?e.get():e;t.fillStyle="white",t.textAlign="center",t.textBaseline="middle";for(var a=0,r=i.length;a<r;a++)if(i[a].geometry){var o=i[a].icon,s=i[a].geometry._coordinates||i[a].geometry.coordinates;t.drawImage(o,s[0]-o.width/2,s[1]-o.height/2)}}};A.prototype.argCheck=function(t){"heatmap"==t.draw&&t.strokeStyle},A.prototype.init=function(t){var e=this;if(e.options=t,e.intensity=new n({maxSize:e.options.maxSize,gradient:e.options.gradient,max:e.options.max||this.dataSet.getMax("count")}),e.category=new R(e.options.splitList),e.choropleth=new S(e.options.splitList),void 0===e.options.splitList&&e.category.generateByDataSet(this.dataSet),e.options.zIndex&&this.canvasLayer&&this.canvasLayer.setZIndex(e.options.zIndex),void 0===e.options.splitList){var i=e.options.min||this.dataSet.getMin("count"),a=e.options.max||this.dataSet.getMax("count");e.choropleth.generateByMinMax(i,a)}},A.prototype.show=function(){this.map.addOverlay(this.canvasLayer)},A.prototype.hide=function(){this.map.removeOverlay(this.canvasLayer)},A.prototype.update=function(t){var e=this,n=t.options,i=e.options;for(var a in n)i[a]=n[a];e.init(i),e.canvasLayer.draw()},A.prototype.set=function(t){var e={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"},n=this,i=n.canvasLayer.canvas.getContext("2d");for(var a in e)i[a]=e[a];n.init(t.options),n.canvasLayer.draw()};var Et="undefined"==typeof window?{}:window;Et.google&&Et.google.maps&&(F.prototype=new google.maps.OverlayView,F.DEFAULT_PANE_NAME_="overlayLayer",F.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]}(),F.prototype.requestAnimFrame_=Et.requestAnimationFrame||Et.webkitRequestAnimationFrame||Et.mozRequestAnimationFrame||Et.oRequestAnimationFrame||Et.msRequestAnimationFrame||function(t){return Et.setTimeout(t,1e3/60)},F.prototype.cancelAnimFrame_=Et.cancelAnimationFrame||Et.webkitCancelAnimationFrame||Et.mozCancelAnimationFrame||Et.oCancelAnimationFrame||Et.msCancelAnimationFrame||function(t){},F.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)},F.prototype.setAnimate=function(t){this.isAnimated_=!!t,this.isAnimated_&&this.scheduleUpdate()},F.prototype.isAnimated=function(){return this.isAnimated_},F.prototype.setPaneName=function(t){this.paneName_=t,this.setPane_()},F.prototype.getPaneName=function(){return this.paneName_},F.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)}},F.prototype.setResizeHandler=function(t){this.resizeHandler_=t},F.prototype.setResolutionScale=function(t){"number"==typeof t&&(this.resolutionScale_=t,this.resize_())},F.prototype.setUpdateHandler=function(t){this.updateHandler_=t},F.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_())},F.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(Et,this.requestAnimationFrameId_),this.requestAnimationFrameId_=null))},F.prototype.resize_=function(){if(this.isAdded_){var t=this.getMap(),e=t.getDiv().offsetWidth,n=t.getDiv().offsetHeight,i=e*this.resolutionScale_,a=n*this.resolutionScale_,r=this.canvas.width,o=this.canvas.height;r===i&&o===a||(this.canvas.width=i,this.canvas.height=a,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")}},F.prototype.draw=function(){this.repositionCanvas_()},F.prototype.repositionCanvas_=function(){var t=this.getMap(),e=t.getBounds().getNorthEast().lat(),n=t.getCenter(),i=Math.pow(2,t.getZoom()),a=n.lng()-180*this.canvasCssWidth_/(256*i);this.topLeft_=new google.maps.LatLng(e,a);var r=this.getProjection(),o=r.fromLatLngToDivPixel(n),s=-Math.round(this.canvasCssWidth_/2-o.x),g=-Math.round(this.canvasCssHeight_/2-o.y);this.canvas.style[F.CSS_TRANSFORM_]="translate("+s+"px,"+g+"px)",this.scheduleUpdate()},F.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_())},F.prototype.getTopLeft=function(){return this.topLeft_},F.prototype.scheduleUpdate=function(){this.isAdded_&&!this.requestAnimationFrameId_&&(this.requestAnimationFrameId_=this.requestAnimFrame_.call(Et,this.requestUpdateFunction_))});var _t={getDataSet:function(t){for(var e=[],n=t.features,i=0;i<n.length;i++){var a=n[i],r=a.geometry,o=a.properties,s={};for(var g in o)s[g]=o[g];s.geometry=r,e.push(s)}return new v(e)}},Mt={CSVToArray:function(t,e){e=e||",";for(var n=new RegExp("(\\"+e+'|\\r?\\n|\\r|^)(?:"([^"]*(?:""[^"]*)*)"|([^"\\'+e+"\\r\\n]*))","gi"),i=[[]],a=null;a=n.exec(t);){var r=a[1];r.length&&r!==e&&i.push([]);var o;o=a[2]?a[2].replace(new RegExp('""',"g"),'"'):a[3],i[i.length-1].push(o)}return i},getDataSet:function(t){for(var e=this.CSVToArray(t,","),n=[],i=e[0],a=1;a<e.length-1;a++){for(var r=e[a],o={},s=0;s<r.length;s++){var g=r[s];"geometry"==i[s]&&(g=JSON.parse(g)),o[i[s]]=g}n.push(o)}return new v(n)}};t.version=I,t.x=q,t.X=q,t.Flate=i,t.Earth=a,t.canvasClear=p,t.canvasResolutionScale=d,t.canvasDrawSimple=it,t.canvasDrawHeatmap=rt,t.canvasDrawGrid=ot,t.canvasDrawHoneycomb=st,t.utilCityCenter=ht,t.utilCurve=ct,t.utilForceEdgeBundling=lt,t.utilDataRangeIntensity=n,t.utilDataRangeCategory=R,t.utilDataRangeChoropleth=S,t.Timer=ut,t.Animator=L,t.Map=mt,t.baiduMapCanvasLayer=z,t.baiduMapLayer=A,t.googleMapCanvasLayer=F,t.googleMapLayer=k,t.DataSet=v,t.geojson=_t,t.csv=Mt});
\ No newline at end of file
diff --git a/examples/baidu-map-point-heatmap-time.html b/examples/baidu-map-point-heatmap-time.html
index 7d8f5d99..648fb5af 100644
--- a/examples/baidu-map-point-heatmap-time.html
+++ b/examples/baidu-map-point-heatmap-time.html
@@ -71,7 +71,6 @@
                     start: 0,
                     end: 100
                 },
-                steps: 100,
                 trails: 10,
                 duration: 5,
             },
diff --git a/examples/baidu-map-point-time.html b/examples/baidu-map-point-time.html
index 282f594b..6fb36e5c 100644
--- a/examples/baidu-map-point-time.html
+++ b/examples/baidu-map-point-time.html
@@ -71,7 +71,6 @@
                     start: 0,
                     end: 100
                 },
-                steps: 100,
                 trails: 10,
                 duration: 5,
             },
diff --git a/examples/baidu-map-point-time1.html b/examples/baidu-map-point-time1.html
index 29a1e0eb..e9fe59ab 100644
--- a/examples/baidu-map-point-time1.html
+++ b/examples/baidu-map-point-time1.html
@@ -214,7 +214,10 @@
                 draw: 'simple',
                 animation: {
                     type: 'time',
-                    steps: 10,
+                    stepsRange: {
+                        start: 0,
+                        end: 10
+                    },
                     trails: 1,
                     duration: 6,
                 }
diff --git a/examples/baidu-map-polyline-time.html b/examples/baidu-map-polyline-time.html
index f2479abc..de72a6b3 100644
--- a/examples/baidu-map-polyline-time.html
+++ b/examples/baidu-map-polyline-time.html
@@ -231,7 +231,10 @@
                 globalCompositeOperation: "lighter",
                 size: 1.5,
                 animation: {
-                    steps: 100,
+                    stepsRange: {
+                        start: 0,
+                        end: 100
+                    },
                     trails: 1,
                     duration: 5,
                 },
diff --git a/examples/geojson-qianxi.html b/examples/geojson-qianxi.html
index 75943e4b..48ea42bd 100644
--- a/examples/geojson-qianxi.html
+++ b/examples/geojson-qianxi.html
@@ -357,12 +357,18 @@
 
             var timeOptions = {
                 fillStyle: 'rgba(255, 250, 250, 0.5)',
-                steps: 100,
                 zIndex: 200,
                 size: 2.5,
-                trails: 5,
-                duration: 5,
-                draw: 'time'
+                animation: {
+                    type: 'time',
+                    stepsRange: {
+                        start: 0,
+                        end: 100
+                    },
+                    trails: 10,
+                    duration: 5,
+                },
+                draw: 'simple'
             }
 
             var timeMapvLayer = new mapv.baiduMapLayer(map, timeDataSet, timeOptions);
diff --git a/examples/qianxi.html b/examples/qianxi.html
index 6412c52b..5f962b24 100644
--- a/examples/qianxi.html
+++ b/examples/qianxi.html
@@ -361,9 +361,12 @@
                 size: 2.5,
                 animation: {
                     type: 'time',
-                    trails: 5,
-                    duration: 5,
-                    steps: 100,
+                    stepsRange: {
+                        start: 0,
+                        end: 50
+                    },
+                    trails: 10,
+                    duration: 3,
                 },
                 draw: 'simple'
             }
diff --git a/package.json b/package.json
index e10209e4..22daee5a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mapv",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "a library of geography visualization",
   "main": "build/mapv.js",
   "scripts": {
diff --git a/src/canvas/draw/grid.js b/src/canvas/draw/grid.js
index 80d608ca..6c2d3cff 100644
--- a/src/canvas/draw/grid.js
+++ b/src/canvas/draw/grid.js
@@ -38,14 +38,14 @@ export default {
             });
 
             context.beginPath();
-            context.rect(gridKey[0] * size + .5 + offset.x, gridKey[1] * size + .5 + offset.y, size - 1, size - 1);
+            context.rect(gridKey[0] * size + .5 + offset.x, gridKey[1] * size + .5 + offset.y, size, size);
             context.fillStyle = intensity.getColor(grids[gridKey]);
             context.fill();
             if (options.showText) {
                 context.fillStyle = 'white';
-                context.fillText(grids[gridKey], gridKey[0] * size + .5 + offset.x + size / 2 -1, gridKey[1] * size + .5 + offset.y + size / 2 -1);
+                context.fillText(grids[gridKey], gridKey[0] * size + .5 + offset.x + size / 2, gridKey[1] * size + .5 + offset.y + size / 2);
             }
-            if (options.strokeStyle || options.lineWidth) {
+            if (options.strokeStyle && options.lineWidth) {
                 context.stroke();
             }
         }
diff --git a/src/canvas/draw/honeycomb.js b/src/canvas/draw/honeycomb.js
index 419ae214..58cbf6d3 100644
--- a/src/canvas/draw/honeycomb.js
+++ b/src/canvas/draw/honeycomb.js
@@ -97,7 +97,7 @@ export default {
 
             context.fillStyle = intensity.getColor(count);
             context.fill();
-            if (options.strokeStyle || options.lineWidth) {
+            if (options.strokeStyle && options.lineWidth) {
                 context.stroke();
             }
         }
diff --git a/src/canvas/draw/simple.js b/src/canvas/draw/simple.js
index 1bf1e0d1..037c1e84 100644
--- a/src/canvas/draw/simple.js
+++ b/src/canvas/draw/simple.js
@@ -35,7 +35,7 @@ export default {
 
                 context.fill();
 
-                if (item.strokeStyle || options.strokeStyle) {
+                if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
                     context.stroke();
                 }
             } else if (type == 'LineString') {
@@ -68,7 +68,7 @@ export default {
 
                     context.fill();
 
-                    if (item.strokeStyle || options.strokeStyle) {
+                    if ((item.strokeStyle || options.strokeStyle) && options.lineWidth) {
                         context.stroke();
                     }
                 } else if (type == 'LineString') {
diff --git a/src/canvas/draw/text.js b/src/canvas/draw/text.js
index ed337d17..15d3f00d 100644
--- a/src/canvas/draw/text.js
+++ b/src/canvas/draw/text.js
@@ -22,9 +22,11 @@ export default {
             y: 0
         };
 
+        var textKey = options.textKey || 'text';
+
         for (var i = 0, len = data.length; i < len; i++) {
             var coordinates = data[i].geometry._coordinates || data[i].geometry.coordinates;
-            context.fillText(data[i].text, coordinates[0] + offset.x, coordinates[1] + offset.y)
+            context.fillText(data[i][textKey], coordinates[0] + offset.x, coordinates[1] + offset.y)
         };
     }
 }
diff --git a/src/canvas/path/simple.js b/src/canvas/path/simple.js
index 69fe2db0..742fd2cc 100644
--- a/src/canvas/path/simple.js
+++ b/src/canvas/path/simple.js
@@ -24,7 +24,7 @@ export default {
                 var size = data._size || data.size || options._size || options.size || 5;
                 context.moveTo(data.x, data.y);
                 if (options.symbol === 'rect') {
-                    context.rect(coordinates[0], coordinates[1], size, size);
+                    context.rect(coordinates[0] - size / 2, coordinates[1] - size / 2, size, size);
                 } else {
                     context.arc(coordinates[0], coordinates[1], size, 0, Math.PI * 2);
                 }
diff --git a/src/data/DataSet.js b/src/data/DataSet.js
index 643262d1..164fa7e6 100644
--- a/src/data/DataSet.js
+++ b/src/data/DataSet.js
@@ -210,6 +210,48 @@ DataSet.prototype.initGeometry = function(transferFn) {
     }
 }
 
+/**
+ * 获取当前列的最大值
+ */
+DataSet.prototype.getMax = function(columnName) {
+    var data = this._data;
+
+    if (!data || data.length <= 0) {
+        return;
+    }
+
+    var max = data[0][columnName];
+
+    for (var i = 1; i < data.length; i++) {
+        if (data[i][columnName] > max) {
+            max = data[i][columnName];
+        }
+    }
+
+    return max;
+}
+
+/**
+ * 获取当前列的最小值
+ */
+DataSet.prototype.getMin = function(columnName) {
+    var data = this._data;
+
+    if (!data || data.length <= 0) {
+        return;
+    }
+
+    var min = data[0][columnName];
+
+    for (var i = 1; i < data.length; i++) {
+        if (data[i][columnName] < min) {
+            min = data[i][columnName];
+        }
+    }
+
+    return min;
+}
+
 function deepCopy(obj) {
     var newObj;
     if (typeof obj == 'object') {
diff --git a/src/map/baidu-map/Layer.js b/src/map/baidu-map/Layer.js
index fd323db4..53a113f9 100644
--- a/src/map/baidu-map/Layer.js
+++ b/src/map/baidu-map/Layer.js
@@ -22,6 +22,8 @@ function Layer(map, dataSet, options) {
         dataSet = new DataSet(dataSet);
     }
 
+    this.dataSet = dataSet;
+
     var self = this;
     var data = null;
     options = options || {};
@@ -80,6 +82,7 @@ function Layer(map, dataSet, options) {
                     pathSimple.draw(context, data[i], self.options);
                     if (context.isPointInPath(pixel.x * canvasLayer.devicePixelRatio, pixel.y * canvasLayer.devicePixelRatio)) {
                         self.options.methods.click(data[i], e);
+                        return;
                     }
                 }
             });
@@ -264,11 +267,24 @@ Layer.prototype.init = function(options) {
     self.intensity = new Intensity({
         maxSize: self.options.maxSize,
         gradient: self.options.gradient,
-        max: self.options.max
+        max: self.options.max || this.dataSet.getMax('count')
     });
 
     self.category = new Category(self.options.splitList);
     self.choropleth = new Choropleth(self.options.splitList);
+    if (self.options.splitList === undefined) {
+        self.category.generateByDataSet(this.dataSet);
+    }
+
+    if (self.options.zIndex) {
+        this.canvasLayer && this.canvasLayer.setZIndex(self.options.zIndex);
+    }
+
+    if (self.options.splitList === undefined) {
+        var min = self.options.min || this.dataSet.getMin('count');
+        var max = self.options.max || this.dataSet.getMax('count');
+        self.choropleth.generateByMinMax(min, max);
+    }
 }
 
 Layer.prototype.show = function() {
diff --git a/src/utils/animation/Animator.js b/src/utils/animation/Animator.js
index 1470219f..f3ebf038 100644
--- a/src/utils/animation/Animator.js
+++ b/src/utils/animation/Animator.js
@@ -83,7 +83,12 @@ function Animator(callback, options) {
     this.options.maxDelta = 0.2;
     this.options.loop = options.loop === undefined ? true : options.loop;
 
-    this.steps(options.steps);
+    options.stepsRange = options.stepsRange || {
+        start: 0,
+        end: 100
+    };
+
+    this.steps(options.stepsRange.start || 0, options.stepsRange.end || 100);
     if (options.stepsRange && options.stepsRange.start !== undefined && options.stepsRange.end !== undefined) {
         this.stepsRange(options.stepsRange.start, options.stepsRange.end);
     }
@@ -146,9 +151,8 @@ Animator.prototype = {
         return this;
     },
 
-    steps: function(_) {
-        this.options.steps = _;
-        this._defaultStepsRange = new AnimatorStepsRange(0, _);
+    steps: function(start, end) {
+        this._defaultStepsRange = new AnimatorStepsRange(start, end);
         return this.rescale();
     },
 
diff --git a/src/utils/data-range/Category.js b/src/utils/data-range/Category.js
index 4e8f4b80..59a4465b 100644
--- a/src/utils/data-range/Category.js
+++ b/src/utils/data-range/Category.js
@@ -37,4 +37,25 @@ Category.prototype.get = function (count) {
     return value;
 }
 
+/**
+ * 根据DataSet自动生成对应的splitList
+ */
+Category.prototype.generateByDataSet = function (dataSet) {
+    var colors = ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
+    var data = dataSet.get();
+    this.splitList = {};
+    var count = 0;
+    for (var i = 0; i < data.length; i++) {
+        if (this.splitList[data[i].count] === undefined) {
+            this.splitList[data[i].count] = colors[count];
+            count++;
+        }
+        if (count >= colors.length - 1) {
+            break;
+        }
+    }
+
+    this.splitList['other'] = colors[colors.length - 1];
+}
+
 export default Category;
diff --git a/src/utils/data-range/Choropleth.js b/src/utils/data-range/Choropleth.js
index 77b9a461..5592e94a 100644
--- a/src/utils/data-range/Choropleth.js
+++ b/src/utils/data-range/Choropleth.js
@@ -50,4 +50,36 @@ Choropleth.prototype.get = function (count) {
 
 }
 
+/**
+ * 根据DataSet自动生成对应的splitList
+ */
+Choropleth.prototype.generateByDataSet = function (dataSet) {
+
+    var min = dataSet.getMin('count');
+    var max = dataSet.getMax('count');
+
+    this.generateByMinMax(min, max);
+    
+}
+
+/**
+ * 根据DataSet自动生成对应的splitList
+ */
+Choropleth.prototype.generateByMinMax = function (min, max) {
+    var colors = ['rgba(255, 255, 0, 0.8)', 'rgba(253, 98, 104, 0.8)', 'rgba(255, 146, 149, 0.8)', 'rgba(255, 241, 193, 0.8)', 'rgba(110, 176, 253, 0.8)', 'rgba(52, 139, 251, 0.8)', 'rgba(17, 102, 252, 0.8)'];
+    var splitNum = (max - min) / 7;
+    var index = min;
+    this.splitList = [];
+    var count = 0;
+    while (index < max) {
+        this.splitList.push({
+            start: index,
+            end: index + splitNum,
+            value: colors[count]
+        });
+        count++;
+        index += splitNum;
+    }
+}
+
 export default Choropleth;