(Source code, png, hires.png, pdf)
import matplotlib.pyplot as plt
from numpy.random import rand
Z = rand(6,10)
plt.subplot(2,1,1)
c = plt.pcolor(Z)
plt.title('default: no edges')
plt.subplot(2,1,2)
c = plt.pcolor(Z, edgecolors='k', linewidths=4)
plt.title('thick edges')
plt.show()
Keywords: python, matplotlib, pylab, example, codex (see Search examples)