import React, { Component } from 'react'; import { Surface, PolarGrid } from 'recharts'; export default class Demo extends Component { static displayName = 'PolarGridDemo'; render () { const polarAngles = [0, 30, 60, 90, 145, 180, 200, 270, 300]; const polarRadius = [10, 20, 40, 80]; return ( ); } }