Hi Tony,
thanks! the first one works but not lambda x : 1-x. The function might be
useful while it needs a little bit knowledge of colors.
cheers,
Chao
2012/3/29 Tony Yu <tsy...@gmail.com>
>
>
> 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
>> --
>>
>> ***********************************************************************************
>> Chao YUE
>> Laboratoire des Sciences du Climat et de l'Environnement (LSCE-IPSL)
>> UMR 1572 CEA-CNRS-UVSQ
>> Batiment 712 - Pe 119
>> 91191 GIF Sur YVETTE Cedex
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>>
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>>
>>
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>
--
***********************************************************************************
Chao YUE
Laboratoire des Sciences du Climat et de l'Environnement (LSCE-IPSL)
UMR 1572 CEA-CNRS-UVSQ
Batiment 712 - Pe 119
91191 GIF Sur YVETTE Cedex
Tel: (33) 01 69 08 29 02; Fax:01.69.08.77.16
************************************************************************************
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