| <!doctype html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"> |
| <meta name="apple-mobile-web-app-capable" content="yes"> |
| <link rel="stylesheet" href="../common/reset.css"> |
| </head> |
| <body> |
| <div id="main"></div> |
| <script src="../common/echarts.min.js"></script> |
| <script src="../common/jquery.min.js"></script> |
| <script src="../common/echarts-gl.js"></script> |
| <script> |
| var chart = echarts.init(document.getElementById('main')); |
| |
| function makeGaussian(amplitude, x0, y0, sigmaX, sigmaY) { |
| return function (amplitude, x0, y0, sigmaX, sigmaY, x, y) { |
| var exponent = -( |
| ( Math.pow(x - x0, 2) / (2 * Math.pow(sigmaX, 2))) |
| + ( Math.pow(y - y0, 2) / (2 * Math.pow(sigmaY, 2))) |
| ); |
| return amplitude * Math.pow(Math.E, exponent); |
| }.bind(null, amplitude, x0, y0, sigmaX, sigmaY); |
| } |
| var gaussian = makeGaussian(300, 0, 0, 20, 20); |
| |
| var data = []; |
| for (var i = 0; i < 10000; i++) { |
| var value = [Math.random() * 100 - 50, Math.random() * 100 - 50]; |
| value[2] = gaussian(value[0], value[1]); |
| data.push(value); |
| } |
| |
| |
| chart.setOption({ |
| visualMap: { |
| show: false, |
| min: 0, |
| max: 300, |
| inRange: { |
| color: ['#1710c0', '#0b9df0', '#00fea8', '#00ff0d', '#f5f811', '#f09a09', '#fe0300'] |
| } |
| }, |
| xAxis3D: { |
| type: 'value' |
| }, |
| yAxis3D: { |
| type: 'value' |
| }, |
| zAxis3D: { |
| type: 'value', |
| max: 500 |
| }, |
| grid3D: { |
| axisLine: { |
| lineStyle: { color: '#fff' } |
| }, |
| axisPointer: { |
| lineStyle: { color: '#fff' } |
| }, |
| viewControl: { |
| autoRotate: true |
| } |
| }, |
| series: [{ |
| type: 'scatter3D', |
| symbolSize: 2, |
| data: data, |
| label: { |
| formatter: function (param) { |
| return param.value[2].toFixed(1); |
| } |
| } |
| }] |
| }); |
| |
| window.onresize = chart.resize; |
| </script> |
| </body> |
| </html> |
