.. _sphx_glr_gallery_animation_dynamic_image.py:


=================
An animated image
=================

This example demonstrates how to animate an image.




.. image:: /gallery/animation/images/sphx_glr_dynamic_image_001.png
    :align: center





.. code-block:: python

    import numpy as np
    import matplotlib.pyplot as plt
    import matplotlib.animation as animation

    fig = plt.figure()


    def f(x, y):
        return np.sin(x) + np.cos(y)

    x = np.linspace(0, 2 * np.pi, 120)
    y = np.linspace(0, 2 * np.pi, 100).reshape(-1, 1)

    im = plt.imshow(f(x, y), animated=True)


    def updatefig(*args):
        global x, y
        x += np.pi / 15.
        y += np.pi / 20.
        im.set_array(f(x, y))
        return im,

    ani = animation.FuncAnimation(fig, updatefig, interval=50, blit=True)
    plt.show()

**Total running time of the script:** ( 0 minutes  0.037 seconds)



.. only :: html

 .. container:: sphx-glr-footer


  .. container:: sphx-glr-download

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



  .. container:: sphx-glr-download

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


.. only:: html

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

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