echarts地图线性动画
最近搞可视化,找个了demo,自己研究的下(忘记原文地址了),改了改了,当做记录以便以后复习:
代码附上:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <div id="main" style="width: 1000px;height:600px;"></div> </body> <script src="../node_modules/echarts/dist/echarts.min.js"></script> <script src="../node_modules/echarts/map/js/china.js"></script> <script type="text/javascript"> // 基于准备好的dom,初始化echarts实例 var myChart = echarts.init(document.getElementById('main')); // 指定图表的配置项和数据 var chinaGeoCoordMap = { '深圳市':[114.06229447753907,22.54758268442238], '黑龙江': [127.9688, 45.368], '内蒙古': [110.3467, 41.4899], "吉林": [125.8154, 44.2584], '北京市': [116.4551, 40.2539], "辽宁": [123.1238, 42.1216], "河北": [114.4995, 38.1006], "天津": [117.4219, 39.4189], "山西": [112.3352, 37.9413] }; // 然后再定义个chinaDatas数组,来存放一些数据,如: var chinaDatas = [ [{ name: '深圳市', value: 0 },{ name: '黑龙江', value: 0 }], [{ name: '内蒙古', value: 0 }], [{ name: '吉林', value: 0 }], [{ name: '辽宁', value: 0 }], [{ name: '河北', value: 0 }], [{ name: '天津', value: 0 }], [{ name: '山西', value: 0 }] ]; // 可以根据你实际项目需求来添加你的数据。 // 定义中心点和起始点,代码如下: var convertData = function(data) { var res = []; for(var i = 0; i < data.length; i++) { var dataItem = data[i]; var fromCoord = chinaGeoCoordMap[dataItem[0].name]; var toCoord = [114.06229447753907,22.54758268442238];//中心点地理坐标 if(fromCoord && toCoord) { res.push([{ coord: toCoord, }, { coord: fromCoord, value: dataItem[0].value }]); } } console.log(res) return res; }; var series = []; [['山西', chinaDatas]].forEach(function(item, i) { console.log(item) series.push({ type: 'lines', zlevel: 2, effect: { show: true, period: 4, //箭头指向速度,值越小速度越快 trailLength: 0.3, //特效尾迹长度[0,1]值越大,尾迹越长重 symbol: 'arrow', //箭头图标 symbolSize: 4, //图标大小 color:"#C4E538" }, lineStyle: { normal: { width: 1, //尾迹线条宽度 opacity: 0.6, //尾迹线条透明度 curveness: .3 //尾迹线条曲直度 } }, data: convertData(item[1]) }, { type: 'effectScatter', coordinateSystem: 'geo', zlevel: 2, rippleEffect: { //涟漪特效 period: 5, //动画时间,值越小速度越快 brushType: 'stroke', //波纹绘制方式 stroke, fill scale: 6 //波纹圆环最大限制,值越大波纹越大 }, label: { normal: { show: true, position: 'left', //显示位置 offset: [-10,0], //偏移设置 formatter: function(params){//圆环显示文字 return params.data.name; }, fontSize: 13 }, emphasis: { show: true } }, symbol: 'circle', symbolSize: function(val) { return 5+ val[2] * 5; //圆环大小 }, itemStyle: { normal: { show: false, color: '#f00' } }, data: item[1].map(function(dataItem) { return { //在这里定义你所要展示的数据 name: dataItem[0].name, value: chinaGeoCoordMap[dataItem[0].name].concat([dataItem[0].value]) }; }), }, //中心点 { type: 'scatter', coordinateSystem: 'geo', zlevel: 2, rippleEffect: { period: 4, brushType: 'stroke', scale: 4 }, label: { normal: { show: true, position: 'right', //offset:[5, 0], color: '#0f0', formatter: '{b}', textStyle: { color: "#0f0" } }, emphasis: { show: true, color: "#f60" } }, symbol: 'pin', symbolSize: 30, data: [{ name: item[0], value: chinaGeoCoordMap[item[0]].concat([10]), }], } ); }); option = { tooltip: { trigger: 'item', backgroundColor: 'rgba(166, 200, 76, 0.82)', borderColor: '#FFFFCC', showDelay: 0, hideDelay: 0, enterable: true, transitionDuration: 0, extraCssText: 'z-index:100', formatter: function(params, ticket, callback) { //根据业务自己拓展要显示的内容 var res = ""; var name = params.name; var value = params.value[params.seriesIndex + 1]; if(name != undefined && value != undefined){ res = "<span style='color:#fff;'>" + name + "</span><br/>数据:" + value; return res; } } }, backgroundColor:"#013954", visualMap: { //图例值控制 min: 0, max: 1, calculable: true, show: true, color: ['#f44336', '#fc9700', '#ffde00', '#ffde00', '#00eaff'], textStyle: { color: '#fff' } }, geo: { map: 'china', zoom: 1.2, label: { emphasis: { show: false } }, roam: true, //是否允许缩放 itemStyle: { normal: { color: 'rgba(51, 69, 89, .5)', //地图背景色 borderColor: '#516a89', //省市边界线00fcff 516a89 borderWidth: 1 }, emphasis: { color: 'rgba(37, 43, 61, .5)' //悬浮背景 } } }, series: series }; // 使用刚指定的配置项和数据显示图表。 myChart.setOption(option); </script> </html>