| 1 | <!DOCTYPE html>
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| 2 | <html lang="en">
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| 3 |
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| 4 | <head>
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| 5 | <meta charset="UTF-8">
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| 6 | <meta name="viewport" content="width=device-width, initial-scale=1.0">
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| 7 | <meta http-equiv="X-UA-Compatible" content="ie=edge">
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| 8 | <meta name="geometry" content="diagram">
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| 9 | <link rel="stylesheet" href="./assets/common.css">
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| 10 | <title>Line Chart(XY)</title>
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| 11 | </head>
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| 12 |
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| 13 | <body>
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| 14 | <div id="canvas"></div>
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| 15 | <script src="./assets/jquery-3.2.1.min.js"></script>
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| 16 | <script src="./assets/data-set.min.js"></script>
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| 17 | <script src="./assets/g2.min.js"></script>
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| 18 | <script src="../build/g2-brush.js"></script>
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| 19 | <script>
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| 20 | $.getJSON('./data/avg-temp.json', function(data) {
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| 21 | const { DataView } = DataSet;
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| 22 | const dv = new DataView();
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| 23 | dv.source(data)
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| 24 | .transform({
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| 25 | type: 'fold',
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| 26 | key: 'city',
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| 27 | value: 'value',
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| 28 | fields: [ 'New York', 'San Francisco', 'Austin' ]
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| 29 | });
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| 30 | const chart = new G2.Chart({
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| 31 | id: 'canvas',
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| 32 | forceFit: true,
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| 33 | height: 400,
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| 34 | padding: [ 60, 30, 30 ]
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| 35 | });
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| 36 | chart.source(dv, {
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| 37 | date: {
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| 38 | type: 'time'
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| 39 | },
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| 40 | value: {
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| 41 | alias: 'Temperature, ºF'
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| 42 | }
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| 43 | });
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| 44 | chart.legend({
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| 45 | position: 'top'
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| 46 | });
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| 47 | chart.axis('date', {
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| 48 | line: {
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| 49 | stroke: '#000'
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| 50 | },
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| 51 | tickLine: {
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| 52 | stroke: '#000',
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| 53 | value: 6
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| 54 | },
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| 55 | label: {
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| 56 | textStyle: {
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| 57 | textAlign: 'start'
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| 58 | }
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| 59 | }
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| 60 | });
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| 61 | chart.axis('value', {
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| 62 | tickLine: {
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| 63 | stroke: '#000',
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| 64 | value: 6
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| 65 | },
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| 66 | label: {
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| 67 | textStyle: {
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| 68 | fill: '#000'
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| 69 | }
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| 70 | },
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| 71 | line: {
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| 72 | stroke: '#000'
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| 73 | },
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| 74 | grid: null
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| 75 | });
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| 76 | chart.line()
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| 77 | .position('date*value')
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| 78 | .color('city')
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| 79 | .shape('spline')
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| 80 | .size(2);
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| 81 | chart.render();
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| 82 |
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| 83 | new Brush({
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| 84 | canvas: chart.get('canvas'),
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| 85 | style: {
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| 86 | fill: '#ccc',
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| 87 | fillOpacity: 0.4
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| 88 | },
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| 89 | chart
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| 90 | });
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| 91 | chart.on('plotdblclick', () => {
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| 92 | chart.get('options').filters = {};
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| 93 | chart.repaint();
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| 94 | });
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| 95 | });
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| 96 | </script>
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| 97 | </body>
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| 98 | </html>
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| 99 |
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