examples/examples/js/custom-polar-heatmap.js

/*
title: Polar Heatmap
category: custom
titleCN: 极坐标热力图（自定义系列）
difficulty: 4
*/
// prettier-ignore
const hours = ['12a', '1a', '2a', '3a', '4a', '5a', '6a', '7a', '8a', '9a', '10a', '11a', '12p', '1p', '2p', '3p', '4p', '5p', '6p', '7p', '8p', '9p', '10p', '11p'];
// prettier-ignore
const days = ['Saturday', 'Friday', 'Thursday', 'Wednesday', 'Tuesday', 'Monday', 'Sunday'];
// prettier-ignore
const data = [[0, 0, 5], [0, 1, 1], [0, 2, 0], [0, 3, 0], [0, 4, 0], [0, 5, 0], [0, 6, 0], [0, 7, 0], [0, 8, 0], [0, 9, 0], [0, 10, 0], [0, 11, 2], [0, 12, 4], [0, 13, 1], [0, 14, 1], [0, 15, 3], [0, 16, 4], [0, 17, 6], [0, 18, 4], [0, 19, 4], [0, 20, 3], [0, 21, 3], [0, 22, 2], [0, 23, 5], [1, 0, 7], [1, 1, 0], [1, 2, 0], [1, 3, 0], [1, 4, 0], [1, 5, 0], [1, 6, 0], [1, 7, 0], [1, 8, 0], [1, 9, 0], [1, 10, 5], [1, 11, 2], [1, 12, 2], [1, 13, 6], [1, 14, 9], [1, 15, 11], [1, 16, 6], [1, 17, 7], [1, 18, 8], [1, 19, 12], [1, 20, 5], [1, 21, 5], [1, 22, 7], [1, 23, 2], [2, 0, 1], [2, 1, 1], [2, 2, 0], [2, 3, 0], [2, 4, 0], [2, 5, 0], [2, 6, 0], [2, 7, 0], [2, 8, 0], [2, 9, 0], [2, 10, 3], [2, 11, 2], [2, 12, 1], [2, 13, 9], [2, 14, 8], [2, 15, 10], [2, 16, 6], [2, 17, 5], [2, 18, 5], [2, 19, 5], [2, 20, 7], [2, 21, 4], [2, 22, 2], [2, 23, 4], [3, 0, 7], [3, 1, 3], [3, 2, 0], [3, 3, 0], [3, 4, 0], [3, 5, 0], [3, 6, 0], [3, 7, 0], [3, 8, 1], [3, 9, 0], [3, 10, 5], [3, 11, 4], [3, 12, 7], [3, 13, 14], [3, 14, 13], [3, 15, 12], [3, 16, 9], [3, 17, 5], [3, 18, 5], [3, 19, 10], [3, 20, 6], [3, 21, 4], [3, 22, 4], [3, 23, 1], [4, 0, 1], [4, 1, 3], [4, 2, 0], [4, 3, 0], [4, 4, 0], [4, 5, 1], [4, 6, 0], [4, 7, 0], [4, 8, 0], [4, 9, 2], [4, 10, 4], [4, 11, 4], [4, 12, 2], [4, 13, 4], [4, 14, 4], [4, 15, 14], [4, 16, 12], [4, 17, 1], [4, 18, 8], [4, 19, 5], [4, 20, 3], [4, 21, 7], [4, 22, 3], [4, 23, 0], [5, 0, 2], [5, 1, 1], [5, 2, 0], [5, 3, 3], [5, 4, 0], [5, 5, 0], [5, 6, 0], [5, 7, 0], [5, 8, 2], [5, 9, 0], [5, 10, 4], [5, 11, 1], [5, 12, 5], [5, 13, 10], [5, 14, 5], [5, 15, 7], [5, 16, 11], [5, 17, 6], [5, 18, 0], [5, 19, 5], [5, 20, 3], [5, 21, 4], [5, 22, 2], [5, 23, 0], [6, 0, 1], [6, 1, 0], [6, 2, 0], [6, 3, 0], [6, 4, 0], [6, 5, 0], [6, 6, 0], [6, 7, 0], [6, 8, 0], [6, 9, 0], [6, 10, 1], [6, 11, 0], [6, 12, 2], [6, 13, 1], [6, 14, 3], [6, 15, 4], [6, 16, 0], [6, 17, 0], [6, 18, 0], [6, 19, 0], [6, 20, 1], [6, 21, 2], [6, 22, 2], [6, 23, 6]];
const maxValue = data.reduce(function (max, item) {
  return Math.max(max, item[2]);
}, -Infinity);
option = {
  legend: {
    data: ['Punch Card']
  },
  polar: {},
  tooltip: {},
  visualMap: {
    type: 'continuous',
    min: 0,
    max: maxValue,
    top: 'middle',
    dimension: 2,
    calculable: true
  },
  angleAxis: {
    type: 'category',
    data: hours,
    boundaryGap: false,
    splitLine: {
      show: true,
      lineStyle: {
        color: '#ddd',
        type: 'dashed'
      }
    },
    axisLine: {
      show: false
    }
  },
  radiusAxis: {
    type: 'category',
    data: days,
    z: 100
  },
  series: [
    {
      name: 'Punch Card',
      type: 'custom',
      coordinateSystem: 'polar',
      itemStyle: {
        color: '#d14a61'
      },
      renderItem: function (params, api) {
        var values = [api.value(0), api.value(1)];
        var coord = api.coord(values);
        var size = api.size([1, 1], values);
        return {
          type: 'sector',
          shape: {
            cx: params.coordSys.cx,
            cy: params.coordSys.cy,
            r0: coord[2] - size[0] / 2,
            r: coord[2] + size[0] / 2,
            startAngle: -(coord[3] + size[1] / 2),
            endAngle: -(coord[3] - size[1] / 2)
          },
          style: api.style({
            fill: api.visual('color')
          })
        };
      },
      data: data
    }
  ]
};