public/examples/ts/line-polar.ts

/*
title: Two Value-Axes in Polar
category: line
titleCN: 极坐标双数值轴
difficulty: 10
*/

const data: number[][] = [];

for (let i = 0; i <= 100; i++) {
  let theta = (i / 100) * 360;
  let r = 5 * (1 + Math.sin((theta / 180) * Math.PI));
  data.push([r, theta]);
}

option = {
  title: {
    text: 'Two Value-Axes in Polar'
  },
  legend: {
    data: ['line']
  },
  polar: {},
  tooltip: {
    trigger: 'axis',
    axisPointer: {
      type: 'cross'
    }
  },
  angleAxis: {
    type: 'value',
    startAngle: 0
  },
  radiusAxis: {},
  series: [
    {
      coordinateSystem: 'polar',
      name: 'line',
      type: 'line',
      data: data
    }
  ]
};

export {};