.. only:: html
.. note::
:class: sphx-glr-download-link-note
Click :ref:`here ` to download the full example code
.. rst-class:: sphx-glr-example-title
.. _sphx_glr_gallery_animation_pause_resume.py:
=================================
Pausing and Resuming an Animation
=================================
This example showcases:
- using the Animation.pause() method to pause an animation.
- using the Animation.resume() method to resume an animation.
.. image:: /gallery/animation/images/sphx_glr_pause_resume_001.png
:alt: Click to pause/resume the animation
:class: sphx-glr-single-img
.. code-block:: default
import matplotlib.pyplot as plt
import matplotlib.animation as animation
import numpy as np
class PauseAnimation:
def __init__(self):
fig, ax = plt.subplots()
ax.set_title('Click to pause/resume the animation')
x = np.linspace(-0.1, 0.1, 1000)
# Start with a normal distribution
self.n0 = (1.0 / ((4 * np.pi * 2e-4 * 0.1) ** 0.5)
* np.exp(-x ** 2 / (4 * 2e-4 * 0.1)))
self.p, = ax.plot(x, self.n0)
self.animation = animation.FuncAnimation(
fig, self.update, frames=200, interval=50, blit=True)
self.paused = False
fig.canvas.mpl_connect('button_press_event', self.toggle_pause)
def toggle_pause(self, *args, **kwargs):
if self.paused:
self.animation.resume()
else:
self.animation.pause()
self.paused = not self.paused
def update(self, i):
self.n0 += i / 100 % 5
self.p.set_ydata(self.n0 % 20)
return (self.p,)
pa = PauseAnimation()
plt.show()
.. _sphx_glr_download_gallery_animation_pause_resume.py:
.. only :: html
.. container:: sphx-glr-footer
:class: sphx-glr-footer-example
.. container:: sphx-glr-download sphx-glr-download-python
:download:`Download Python source code: pause_resume.py `
.. container:: sphx-glr-download sphx-glr-download-jupyter
:download:`Download Jupyter notebook: pause_resume.ipynb `
.. only:: html
.. rst-class:: sphx-glr-signature
Keywords: matplotlib code example, codex, python plot, pyplot
`Gallery generated by Sphinx-Gallery
`_