It's same problem for which I asked assistance here:
http://www.mail-archive.com/matplotlib-users@lists.sourceforge.net/msg22520.html
There, Johann provided nifty script with slider, with which help user
can shift colormap and get more "meaningful" image
Also speaking about great Basemap package,
I just came across this paper in my twitter feed. Thought it might be relevant
to this community.
https://www.research.ibm.com/people/l/lloydt/color/color.HTM
Cheers!
Ben Root
--
RSA(R) Conference 2012
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