聚合气泡图

/**
 * A recreation of this demo: https://vega.github.io/vega-lite/examples/circle_github_punchcard.html
 */
import { Chart } from '@antv/g2';

const chart = new Chart({
  container: 'container',
  height: 360,
  inset: 10,
});

chart.options({
  type: 'point',
  viewStyle: { mainStroke: 'black' },
  data: {
    type: 'fetch',
    value: 'https://assets.antv.antgroup.com/g2/commits.json',
  },
  transform: [{ type: 'group', size: 'sum' }, { type: 'sortY' }],
  axis: {
    x: { title: 'time (hours)', tickCount: 24 },
    y: { title: 'time (day)', grid: true },
  },
  scale: { y: { type: 'point' } },
  encode: {
    x: (d) => new Date(d.time).getUTCHours(),
    y: (d) => new Date(d.time).getUTCDay(),
    size: 'count',
    color: 'count',
    shape: 'point',
  },
});

chart.render();