Thanks Ben. extendrect keyword is in mat 1.3, I didn't try this but I tried
set_under and extend='min'
with mat 1.2 and it works very nice.
cheers,
Chao
On Tue, Jul 2, 2013 at 4:14 PM, Benjamin Root-2 [via matplotlib] <
ml-node+s1069221n41364...@n5.nabble.com> wrote:
> There is the "set_over" and "set_under" members of a colormap, and the
> plt.colorbar() function takes an "extend='min'" argument to add an extra
> color at the beginning of the colorbar. Setting "extendrect=True", the
> added color will be rectangular instead of triangular.
>
> Hopefully that helps.
>
> Cheers,
> Ben Root
>
>
>
> On Tue, Jul 2, 2013 at 6:14 AM, Chao YUE <[hidden
> email]<http://user/SendEmail.jtp?type=node&node=41364&i=0>
> > wrote:
>
>> One way I could think of is to make two contingent mat.axes.Axes,
>> with a smaller one setting as white backgroud, and the other bigger on
>> holding the colorbar. Is there some better way?
>>
>> Chao
>>
>>
>> On Tue, Jul 2, 2013 at 12:12 PM, Chao YUE <[hidden
>> email]<http://user/SendEmail.jtp?type=node&node=41364&i=1>
>> > wrote:
>>
>>> Dear all,
>>>
>>> Does anyone have similar experience that to make a colorbar
>>> starting from a different color in the colormap? for example, to
>>> denote the region with invalid data. I attahced a figure to show
>>> what I would like to have, the withe region in the colorbar in the
>>> attahced figure shows no data.
>>>
>>> thanks a lot for any help,
>>>
>>> best,
>>>
>>> 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
>>> Tel: (33) 01 69 08 29 02; Fax:01.69.08.77.16
>>>
>>> ************************************************************************************
>>>
>>
>>
>>
>> --
>>
>> ***********************************************************************************
>> 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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--
***********************************************************************************
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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