::: echarts Two Value-Axes in Polar
```js
const data = []
for (let i = 0; i <= 100; i++) {
const theta = (i / 100) * 360
const r = 5 * (1 + Math.sin((theta / 180) * Math.PI))
data.push([r, theta])
}
const height = 450
const option = {
legend: {
data: ['line'],
},
polar: {},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross',
},
},
angleAxis: {
type: 'value',
startAngle: 0,
},
radiusAxis: {},
series: [
{
coordinateSystem: 'polar',
name: 'line',
type: 'line',
data,
},
],
}
```
:::