and if you look at the cookbook .. you can see all the available colormaps..
http://www.scipy.org/Cookbook/Matplotlib/Show_colormaps
have fun
On Mon, Jul 20, 2009 at 8:25 PM, Eric Firing <efir...@hawaii.edu> wrote:
> Ritayan Mitra wrote:
> > 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.
>
> All the standard colormaps like cm.hot have reversed counterparts with
> "_r" appended to the name, so use cmap=cm.hot_r.
>
> Eric
> >
> > Rit
> >
>
>
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