"""

An animated image

"""

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)

# ims is a list of lists, each row is a list of artists to draw in the

# current frame; here we are just animating one artist, the image, in

# each frame

ims = []

for i in range(60):

x += np.pi / 15.

y += np.pi / 20.

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

ims.append([im])

ani = animation.ArtistAnimation(fig, ims, interval=50, blit=True,

repeat_delay=1000)

#ani.save('dynamic_images.mp4')

plt.show()