You are reading an old version of the documentation (v2.1.0). For the latest version see https://matplotlib.org/stable/gallery/animation/dynamic_image.html
matplotlib
Fork me on GitHub


Travis-CI:

This Page

An animated imageΒΆ

This example demonstrates how to animate an image.

../../_images/sphx_glr_dynamic_image_001.png
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)

Gallery generated by Sphinx-Gallery