>>> """ =========================== Mouse move and click events =========================== An example of how to interact with the plotting canvas by connecting to move and click events. """
...
... from matplotlib.backend_bases import MouseButton
... import matplotlib.pyplot as plt
... import numpy as np
...
... t = np.arange(0.0, 1.0, 0.01)
... s = np.sin(2 * np.pi * t)
... fig, ax = plt.subplots()
... ax.plot(t, s)
...
...
... def on_move(event):
... # get the x and y pixel coords
... x, y = event.x, event.y
... if event.inaxes:
... ax = event.inaxes # the axes instance
... print('data coords %f %f' % (event.xdata, event.ydata))
...
...
... def on_click(event):
... if event.button is MouseButton.LEFT:
... print('disconnecting callback')
... plt.disconnect(binding_id)
...
...
... binding_id = plt.connect('motion_notify_event', on_move)
... plt.connect('button_press_event', on_click)
...
... plt.show()
...