

.. _sphx_glr_gallery_animation_animation_demo.py:


==============
Animation Demo
==============

Pyplot animation example.

The method shown here is only for very simple, low-performance
use.  For more demanding applications, look at the animation
module and the examples that use it.




.. image:: /gallery/animation/images/sphx_glr_animation_demo_001.png
    :align: center


.. rst-class:: sphx-glr-script-out

 Out::

    step 0
    step 1
    step 2
    step 3
    step 4




|


.. code-block:: python


    import matplotlib.pyplot as plt
    import numpy as np

    x = np.arange(6)
    y = np.arange(5)
    z = x * y[:, np.newaxis]

    for i in range(5):
        if i == 0:
            p = plt.imshow(z)
            fig = plt.gcf()
            plt.clim()   # clamp the color limits
            plt.title("Boring slide show")
        else:
            z = z + 2
            p.set_data(z)

        print("step", i)
        plt.pause(0.5)

**Total running time of the script:** ( 0 minutes  2.537 seconds)



.. container:: sphx-glr-footer


  .. container:: sphx-glr-download

     :download:`Download Python source code: animation_demo.py <animation_demo.py>`



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: animation_demo.ipynb <animation_demo.ipynb>`

.. rst-class:: sphx-glr-signature

    `Generated by Sphinx-Gallery <https://sphinx-gallery.readthedocs.io>`_
