初次使用了Echarts GL后，在官网上又看到了好多很炫的例子，随便测试了几个，发现在Google浏览器会报跨域的问题，后来找了好多地方，发现都不管用啊-_-||，只好先用火狐浏览器测试啦（O(∩_∩)O哈哈~）
首先是上一次有一个多维数据的例子中，还有几个维度（列）没能表达出来，利用 ECharts 内置的 visualMap 组件我们可以继续将第四个维度编码成颜色,并把原来默认的透视投影改成了正交投影。正交投影在某些场景中可以避免因为近大远小所造成的表达错误。
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <base href="<%=basePath%>" /> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>EChartGL Test</title> <script type="text/javascript" src="js/echarts.js"></script> <script type="text/javascript" src="js/jquery-1.8.3.min.js"></script> <script type="text/javascript" src="js/echarts-gl.js"></script> </head> <body> <div id="main" style="800px;height:600px;"></div> <script type="text/javascript"> //基于准备好的dom，初始化echarts实例 var myChart = echarts.init(document.getElementById('main'),'light'); $.get('asset/life-expectancy-table.json', function (data) { myChart.setOption({ grid3D: { viewControl: { // 使用正交投影。 projection: 'orthographic' } }, xAxis3D: { // 因为 x 轴和 y 轴都是类目数据，所以需要设置 type: 'category' 保证正确显示数据。 type: 'category' }, yAxis3D: { type: 'log' }, zAxis3D: {}, visualMap: { calculable: true, max: 100, // 维度的名字默认就是表头的属性名 dimension: 'Life Expectancy', inRange: { color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026'] } }, dataset: { source: data }, series: [ { type: 'scatter3D', symbolSize: 5, encode: { // 维度的名字默认就是表头的属性名 x: 'Country', y: 'Population', z: 'Income', tooltip: [0, 1, 2, 3, 4] } } ] }) }); </script> </body> </html>
实现的效果图为：
下面是一个3D线的例子：
<!doctype html> <html> <head> <meta charset="utf-8"> <title>Airline - ECHARTS-GL</title> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"> <meta name="apple-mobile-web-app-capable" content="yes"> <!-- Fullscreen Landscape on iOS --> <link rel="stylesheet" href="./common.css"> </head> <body> <div id="main"></div> <script src="../node_modules/echarts/dist/echarts.js"></script> <script src="../node_modules/echarts/map/js/world.js"></script> <script src="../node_modules/echarts/theme/dark.js"></script> <script src="../dist/echarts-gl.js"></script> <script src="lib/jquery.min.js"></script> <script src="js/commonUI.js"></script> <script> var chart = echarts.init(document.getElementById('main')); $.getJSON('data/flights.json', function (data) { function getAirportCoord(idx) { return [data.airports[idx][3], data.airports[idx][4]]; } var routes = data.routes.map(function (airline) { return [ getAirportCoord(airline[1]), getAirportCoord(airline[2]) ]; }); chart.setOption({ geo3D: { map: 'world', shading: 'realistic', environment: '#111', realisticMaterial: { roughness: 0.8, metalness: 0 }, postEffect: { enable: true }, groundPlane: { show: true, color: '#555' }, light: { main: { intensity: 0, shadow: true, shadowQuality: 'high', alpha: 30 }, ambient: { intensity: 0 }, ambientCubemap: { texture: 'asset/canyon.hdr', exposure: 1, diffuseIntensity: 0.5, specularIntensity: 0 } }, viewControl: { distance: 50 }, itemStyle: { color: '#111' }, regionHeight: 0.5 }, series: [{ type: 'lines3D', coordinateSystem: 'geo3D', effect: { show: true, trailWidth: 1, trailLength: 0.4 }, blendMode: 'lighter', lineStyle: { 0, color: 'rgb(50, 50, 150)', opacity: 0.1 }, data: routes }] }); window.onresize = chart.resize; window.addEventListener('keydown', function () { chart.dispatchAction({ type: 'lines3DToggleEffect', seriesIndex: 0 }); }); }); </script> </body> </html>
效果图为：
其中JSON数据：https://pan.baidu.com/s/10FEAFAUdxvaEC24kLYjrjA
一个透明Bar3D的例子：
<!doctype html> <html> <head> <meta charset="utf-8"> <title>Grid3D - ECHARTS-GL</title> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"> <meta name="apple-mobile-web-app-capable" content="yes"> <!-- Fullscreen Landscape on iOS --> <link rel="stylesheet" href="./common.css"> </head> <body> <div id="main"></div> <script src="../node_modules/echarts/dist/echarts.js"></script> <script src="../dist/echarts-gl.js"></script> <script src="lib/jquery.min.js"></script> <script src="js/commonUI.js"></script> <script> var chart = echarts.init(document.getElementById('main')); var hours = ['12a', '1a', '2a', '3a', '4a', '5a', '6a', '7a', '8a', '9a','10a','11a', '12p', '1p', '2p', '3p', '4p', '5p', '6p', '7p', '8p', '9p', '10p', '11p']; var days = ['Saturday', 'Friday', 'Thursday', 'Wednesday', 'Tuesday', 'Monday', 'Sunday']; var data = [[0,0,5],[0,1,1],[0,2,0],[0,3,0],[0,4,0],[0,5,0],[0,6,0],[0,7,0],[0,8,0],[0,9,0],[0,10,0],[0,11,2],[0,12,4],[0,13,1],[0,14,1],[0,15,3],[0,16,4],[0,17,6],[0,18,4],[0,19,4],[0,20,3],[0,21,3],[0,22,2],[0,23,5],[1,0,7],[1,1,0],[1,2,0],[1,3,0],[1,4,0],[1,5,0],[1,6,0],[1,7,0],[1,8,0],[1,9,0],[1,10,5],[1,11,2],[1,12,2],[1,13,6],[1,14,9],[1,15,11],[1,16,6],[1,17,7],[1,18,8],[1,19,12],[1,20,5],[1,21,5],[1,22,7],[1,23,2],[2,0,1],[2,1,1],[2,2,0],[2,3,0],[2,4,0],[2,5,0],[2,6,0],[2,7,0],[2,8,0],[2,9,0],[2,10,3],[2,11,2],[2,12,1],[2,13,9],[2,14,8],[2,15,10],[2,16,6],[2,17,5],[2,18,5],[2,19,5],[2,20,7],[2,21,4],[2,22,2],[2,23,4],[3,0,7],[3,1,3],[3,2,0],[3,3,0],[3,4,0],[3,5,0],[3,6,0],[3,7,0],[3,8,1],[3,9,0],[3,10,5],[3,11,4],[3,12,7],[3,13,14],[3,14,13],[3,15,12],[3,16,9],[3,17,5],[3,18,5],[3,19,10],[3,20,6],[3,21,4],[3,22,4],[3,23,1],[4,0,1],[4,1,3],[4,2,0],[4,3,0],[4,4,0],[4,5,1],[4,6,0],[4,7,0],[4,8,0],[4,9,2],[4,10,4],[4,11,4],[4,12,2],[4,13,4],[4,14,4],[4,15,14],[4,16,12],[4,17,1],[4,18,8],[4,19,5],[4,20,3],[4,21,7],[4,22,3],[4,23,0],[5,0,2],[5,1,1],[5,2,0],[5,3,3],[5,4,0],[5,5,0],[5,6,0],[5,7,0],[5,8,2],[5,9,0],[5,10,4],[5,11,1],[5,12,5],[5,13,10],[5,14,5],[5,15,7],[5,16,11],[5,17,6],[5,18,0],[5,19,5],[5,20,3],[5,21,4],[5,22,2],[5,23,0],[6,0,1],[6,1,0],[6,2,0],[6,3,0],[6,4,0],[6,5,0],[6,6,0],[6,7,0],[6,8,0],[6,9,0],[6,10,1],[6,11,0],[6,12,2],[6,13,1],[6,14,3],[6,15,4],[6,16,0],[6,17,0],[6,18,0],[6,19,0],[6,20,1],[6,21,2],[6,22,2],[6,23,6]]; chart.setOption({ backgroundColor: '#fff', visualMap: { max: 20, color: ['#d94e5d','#eac736','#50a3ba'] }, xAxis3D: { type: 'category', data: hours, axisLabel: { interval: 2 }, axisPointer: { lineStyle: { color: '#900' } } }, yAxis3D: { type: 'category', data: days, axisPointer: { lineStyle: { color: '#090' } } }, zAxis3D: { type: 'value', axisPointer: { lineStyle: { color: '#009' } } }, grid3D: { boxWidth: 200, boxDepth: 80, viewControl: { // projection: 'orthographic' }, light: { main: { shadow: true }, ambient: { intensity: 0.8 } } }, series: [{ type: 'bar3D', data: data.map(function (item) { return { value: [item[1], item[0], item[2]], label: { show: item[2] != 0 } } }), shading: 'lambert', label: { normal: { textStyle: { fontSize: 16, borderWidth: 1, opacity: 0.4 } }, emphasis: { textStyle: { fontSize: 20, color: '#900', opacity: 0.6 } } }, itemStyle: { normal: { opacity: 0.2 }, emphasis: { color: '#900', opacity: 0.4 } } }] }); window.addEventListener('resize', function () { chart.resize(); }); </script> </body> </html>
效果图为：
