| <!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> |
