多光标#

同时在多个绘图上显示光标.

此示例生成分布在两个不同图形上的三个坐标轴(Axes).当光标悬停在一个子图中的数据上时,该数据点的值会显示在所有坐标轴中.

import matplotlib.pyplot as plt
import numpy as np

from matplotlib.widgets import MultiCursor

t = np.arange(0.0, 2.0, 0.01)
s1 = np.sin(2*np.pi*t)
s2 = np.sin(3*np.pi*t)
s3 = np.sin(4*np.pi*t)

fig, (ax1, ax2) = plt.subplots(2, sharex=True)
ax1.plot(t, s1)
ax2.plot(t, s2)
fig, ax3 = plt.subplots()
ax3.plot(t, s3)

multi = MultiCursor(None, (ax1, ax2, ax3), color='r', lw=1)
plt.show()
  • multicursor
  • multicursor

参考

以下函数,方法,类和模块的用法在本例中显示:

  • matplotlib.widgets.MultiCursor

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