转自：数据可视化之MATPLOTLIB实战：PLT.POLAR()函数 绘制极线图

代码

import matplotlib as mpl
import matplotlib.pyplot as plt
import numpy as np

# 防止乱码
mpl.rcParams["font.sans-serif"] = ["SimHei"]
mpl.rcParams["axes.unicode_minus"] = False

barSlices = 12

theta = np.linspace(0.0, 2*np.pi, barSlices, endpoint=False)

r = 30*np.random.rand(barSlices)

plt.polar(theta,r,
          color = "chartreuse",
          linewidth = 2,
          marker = "*",
          mfc = "b",
          ms = 10)

plt.show()