"""
===========
Multicursor
===========

Showing a cursor on multiple plots simultaneously.

This example generates two subplots and on hovering
the cursor over data in one subplot, the values of that datapoint
are shown in both respectively.
"""
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.widgets import MultiCursor

t = np.arange(0.0, 2.0, 0.01)
s1 = np.sin(2*np.pi*t)
s2 = np.sin(4*np.pi*t)
fig = plt.figure()
ax1 = fig.add_subplot(211)
ax1.plot(t, s1)


ax2 = fig.add_subplot(212, sharex=ax1)
ax2.plot(t, s2)

multi = MultiCursor(fig.canvas, (ax1, ax2), color='r', lw=1)
plt.show()
