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"""
===========================
Mouse move and click events
===========================
An example of how to interact with the plotting canvas by connecting to move
and click events.
.. note::
This example exercises the interactive capabilities of Matplotlib, and this
will not appear in the static documentation. Please run this code on your
machine to see the interactivity.
You can copy and paste individual parts, or download the entire example
using the link at the bottom of the page.
"""
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.backend_bases import MouseButton
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):
if event.inaxes:
print(f'data coords {event.xdata} {event.ydata},',
f'pixel coords {event.x} {event.y}')
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()
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