On Thu, Mar 29, 2012 at 1:31 PM, Chao YUE <chaoyue...@gmail.com> wrote:
> Dear all,
>
> here in cookbook it says "Ever wanted to reverse a colormap, or to
> desaturate one ? Here is a routine to apply a function to the look up table
> of a colormap: "
> http://www.scipy.org/Cookbook/Matplotlib/ColormapTransformations
>
> but I don't know how to use cmap_map function as in the link to reverse,
> for example, the cm.jet colormap?
>
If all you want is the reversed colormap, you can call `cm.jet_r` (all the
default colormaps have a `_r` version). From a *quick* look at the example
you link to, it seems that you can pass `lambda x: 1 - x` as the function
to `cmap_xmap`.
Cheers,
-Tony
(Chao: Sorry for the duplicate. Forgot to reply-all)
> thanks,
>
> Chao
> --
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