[Matplotlib-users] Using the same color range for multiple plots

[cneff <ca...@gm...>]

Hi guys,

I've tried to google this and look through the examples but its not quite
working for me. Say I have two sets of data I want to make contour plots out
of

from pylab import *

x=arange(-3.0,3.0,.025)

y=arange(-2.0,2.0,.025)

X,Y = meshgrid(x,y)

Z1 = mlab.bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
Z2 = mlab.bivariate_normal(X, Y, 1.5, 0.5, 1, 1)

Now if I would go

plt1 = subplot(211)
contourf(X,Y,Z1)
colorbar()

plt2 = subplot(212)
contourf(X,Y,Z2)
colorbar()

we would see that the same colors correspond to different numerical values,
because the ranges of Z1 and Z2 are different.  I want it to be defined on
the same range, so that red on plt1 corresponds to the same numerical Z
value as red on plt2.  How do I go about doing that?
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