| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155 |
- <!DOCTYPE>
- <html>
- <head>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, initial-scale=1" />
- <script src="lib/esl.js"></script>
- <script src="lib/config.js"></script>
- <script src="lib/jquery.min.js"></script>
- <script src="lib/facePrint.js"></script>
- <script src="lib/testHelper.js"></script>
- <link rel="stylesheet" href="lib/reset.css">
- </head>
- <body>
- <style>
- h1 {
- line-height: 60px;
- height: 60px;
- background: #146402;
- text-align: center;
- font-weight: bold;
- color: #eee;
- font-size: 14px;
- }
- .chart {
- height: 500px;
- }
- </style>
- <div class="chart" id="main"></div>
- <script>
- var echarts;
- var chart;
- var myChart;
- var groupCategories = [];
- var groupColors = [];
- require([
- 'echarts'
- // 'echarts/chart/map',
- // 'echarts/chart/custom',
- // 'echarts/component/geo',
- // 'echarts/component/legend',
- // 'echarts/component/tooltip',
- // 'echarts/component/toolbox',
- // 'echarts/component/visualMap',
- // 'echarts/component/dataZoom'
- ], function (ec) {
- echarts = ec;
- $.get('../map/json/world.json', function (worldJson) {
- echarts.registerMap('world', worldJson);
- $.getJSON('./data/global-wind.json', function (windData) {
- var p = 0;
- var maxMag = 0;
- var minMag = Infinity;
- var data = [];
- for (var j = 0; j < windData.ny; j++) {
- for (var i = 0; i < windData.nx; i++, p++) {
- var vx = windData.data[p][0];
- var vy = windData.data[p][1];
- var mag = Math.sqrt(vx * vx + vy * vy);
- // 数据是一个一维数组
- // [ [经度, 维度，向量经度方向的值，向量维度方向的值] ]
- data.push([
- i / windData.nx * 360 - 180,
- j / windData.ny * 180 - 90,
- vx,
- vy,
- mag
- ]);
- maxMag = Math.max(mag, maxMag);
- minMag = Math.min(mag, minMag);
- }
- }
- data.reverse();
- var option = {
- backgroundColor: '#333',
- visualMap: {
- left: 'center',
- min: minMag,
- max: maxMag,
- dimension: 4,
- inRange: {
- // color: ['green', 'yellow', 'red']
- color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026']
- },
- realtime: false,
- hoverLink: true,
- calculable: true,
- textStyle: {
- color: '#fff'
- },
- orient: 'horizontal'
- },
- geo: {
- map: 'world',
- left: 0,
- right: 0,
- top: 0,
- zoom: 1,
- silent: true,
- itemStyle: {
- normal: {
- areaColor: '#323c48',
- borderColor: '#111'
- }
- }
- },
- series: {
- type: 'custom',
- coordinateSystem: 'geo',
- data: data,
- // silent: true,
- encode: {
- x: 0,
- y: 0
- },
- renderItem: function (params, api) {
- var x = api.value(0), y = api.value(1), dx = api.value(2), dy = api.value(3);
- var start = api.coord([Math.max(x - dx / 5, -180), Math.max(y - dy / 5, -90)]);
- var end = api.coord([Math.min(x + dx / 5, 180), Math.min(y + dy / 5, 90)]);
- return {
- type: 'line',
- shape: {
- x1: start[0], y1: start[1],
- x2: end[0], y2: end[1]
- },
- style: {
- lineWidth: 0.5,
- stroke: api.visual('color')
- }
- }
- },
- progressive: 2000
- }
- };
- testHelper.createChart(echarts, 'main', option);
- });
- });
- });
- </script>
- </body>
- </html>
|
