极轴上的饼图极轴上的饼状条形图演示。 12345678910111213141516171819202122import numpy as npimport matplotlib.pyplot as plt# Fixing random state for reproducibilitynp.random.seed(19680801)# Compute pie slicesN = 20theta = np.linspace(0.0, 2 * np.pi, N, endpoint=False)radii = 10 * np.random.rand(N)width = np.pi / 4 * np.random.rand(N)ax = plt.subplot(111, projection='polar')bars = ax.bar(theta, radii, width=width, bottom=0.0)# Use custom colors and opacityfor r, bar in zip(radii, bars): bar.set_facecolor(plt.cm.viridis(r / 10.)) bar.set_alpha(0.5)plt.show() 参考此示例中显示了以下函数,方法,类和模块的使用: 1234import matplotlibmatplotlib.axes.Axes.barmatplotlib.pyplot.barmatplotlib.projections.polar 下载这个示例 下载python源码: polar_bar.py 下载Jupyter notebook: polar_bar.ipynb