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light-chart

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Charts for mobile visualization.

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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>带负值的分组柱状图</title> <link rel="stylesheet" href="./assets/common.css"> </head> <body> <div> <canvas id="mountNode"></canvas> </div> <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script> <script src="./assets/jquery-3.2.1.min.js"></script> <script src="../build/f2-all.js"></script> <script> const data = [ { time: '周一', tem: 0, city: 'tokyo' }, { time: '周二', tem: 9.5, city: 'tokyo' }, { time: '周三', tem: 14.5, city: 'tokyo' }, { time: '周四', tem: 18.2, city: 'tokyo' }, { time: '周五', tem: 21.5, city: 'tokyo' }, { time: '周六', tem: 25.2, city: 'tokyo' }, { time: '周日', tem: 26.5, city: 'tokyo' }, { time: '周一', tem: -10.8, city: 'newYork' }, { time: '周二', tem: -5.7, city: 'newYork' }, { time: '周三', tem: -11.3, city: 'newYork' }, { time: '周四', tem: -17, city: 'newYork' }, { time: '周五', tem: -22, city: 'newYork' }, { time: '周六', tem: -24.8, city: 'newYork' }, { time: '周日', tem: -24.1, city: 'newYork' }, { time: '周一', tem: 2.6, city: 'berlin' }, { time: '周二', tem: 3.5, city: 'berlin' }, { time: '周三', tem: 8.4, city: 'berlin' }, { time: '周四', tem: 13.5, city: 'berlin' }, { time: '周五', tem: 17, city: 'berlin' }, { time: '周六', tem: -18.6, city: 'berlin' }, { time: '周日', tem: 17.9, city: 'berlin' } ]; const chart = new F2.Chart({ id: 'mountNode', width: window.innerWidth, height: window.innerWidth * 0.64, pixelRatio: window.devicePixelRatio }); chart.source(data, { tem: { tickCount: 5 } }); chart.interval().position('time*tem') .color('city') .adjust('dodge') .style('tem', { radius(val) { return val > 0 ? [ 3, 3, 0, 0 ] : [ 0, 0, 3, 3]; } }) chart.render(); </script> </body> </html>