G2 - The Grammar Of Graphics

热力或色块图 / 单元测试覆盖率

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源码

<!DOCTYPE html>
  <html>
    <head>
      <meta charset="utf-8">
      <title>单元测试覆盖率</title>
      <link rel="stylesheet" href="https://os.alipayobjects.com/s/prod/g2/static/doc-b57e62881a0344ecde9e68c4ce312143.css"/>
      
      <script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
    </head>
    <body>
      <div id="c1"></div>
      
      <script>

// 自定义带有宽度的色块
G2.Shape.registShape('polygon', 'custom', {
  drawShape: function(cfg, container) {
    var points = this.parsePoints(cfg.points);
    var startX = points[1].x;
    var startY = points[1].y;
    var size = cfg.size || 1;
    var width = (points[2].x - points[1].x);
    var height = Math.abs(points[1].y - points[0].y);
    // 绘制背景
    container.addShape('rect', {
      attrs: {
        x: startX,
        y: startY,
        width: width,
        height: height,
        fill: '#eee',
        stroke: '#fff'
      }
    });
    // 绘制色块
    return container.addShape('rect', {
      attrs: {
        x: startX,
        y: startY,
        width: width * size,
        height: height,
        fill: cfg.color,
        stroke: '#fff'
      }
    }); 
  }
});

var chart = new G2.Chart({
  id: 'c1',
  width: 1000,
  height: 500,
  plotCfg: {
    margin: [20, 120, 50, 120]
  }
});

chart.source(data, {
  time: {
    type: 'cat',
    mask: 'yyyy.mm.dd'
  },
  value: {
    alias: '覆盖率',
    type: 'linear',
    formatter:function(value){
      return (value * 100).toFixed(2) + '%';
    },
    min:0,
    max: 1
  }
});
chart.legend({
  selectedMode: false
});
chart.axis('name', {title: null, grid:null});
chart.polygon().position('time*name').color('value','red-yellow-green')
  .size('value', function(size){
    return size;
  })
  .shape('custom')
  .style({
    lineWidth:1,
    stroke: '#fff'
  });
chart.render();
</script>

</body>
  </html>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
      <script>
        G2.Global.setTheme('dark');
      </script>
    </head>
    <body>
      <div id="c1"></div>
      <script>

var chart = new G2.Chart({
  id: 'c1',
  width: 1000,
  height: 500,
  plotCfg: {
    margin: [20, 120, 50, 120]
  }
});

</body>
  </html>

var chart = new G2.Chart({
  id: 'c1',
  width: 1000,
  height: 500,
  plotCfg: {
    margin: [20, 120, 50, 120]
  }
});

单元测试覆盖率

使用色块图表示多个系统的单元测试，将覆盖率映射到色块的颜色和宽度，可以对比单个系统在时间上的趋势，也可以对比在一个时间点上不同系统的单元测试覆盖率。了解更多