matplotlib Code

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[r3358]: / trunk / htdocs / examples / image_demo.py Maximize Restore History

17 lines (12 with data), 369 Bytes

#!/usr/bin/env python
from pylab import *

delta = 0.025
x = y = arange(-3.0, 3.0, delta)
X, Y = meshgrid(x, y)
Z1 = bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
Z2 = bivariate_normal(X, Y, 1.5, 0.5, 1, 1)
Z = Z2-Z1  # difference of Gaussians

im = imshow(Z, interpolation='bilinear', cmap=cm.gray,
	    origin='lower', extent=[-3,3,-3,3])

savefig('image_demo')
show()