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.

Out:

step 0
step 1
step 2
step 3
step 4

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 2.639 seconds)