../../../_images/plot_imshow_1.png

Python source code: plot_imshow.py

import numpy as np
def f(x, y):
return (1 - x / 2 + x ** 5 + y ** 3) * np.exp(-x ** 2 - y ** 2)
n = 10
x = np.linspace(-3, 3, 8 * n)
y = np.linspace(-3, 3, 6 * n)
X, Y = np.meshgrid(x, y)
Z = f(X, Y)
pl.imshow(Z, interpolation='nearest', cmap='bone', origin='lower')
pl.xticks(())
pl.yticks(())
pl.text(-0.05, 1.02, " Imshow: pl.imshow(...)\n",
horizontalalignment='left',
verticalalignment='top',
size='xx-large',
bbox=dict(facecolor='white', alpha=1.0, width=400, height=65),
transform=pl.gca().transAxes)
pl.text(-0.05, 1.01, "\n\n Display an image to current axes ",
horizontalalignment='left',
verticalalignment='top',
family='Lint McCree Intl BB',
size='large',
transform=pl.gca().transAxes)
pl.show()