Hello
   I am trying to use imshow as below

im = imshow(Z, interpolation='spline16', origin='lower', cmap=cm.hot,
extent=(-1.,1.,-1.,1.))

Trouble is I want to reverse the color gradient or use some colorscheme
which has lighter color at the bottom and darker higher up.  What is the
easiest solution to this problem?  Thanks a bunch.

Rit


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