[Insight-users] Setting RGB components

[Gaëtan Lehmann]

Le 9 juil. 09 à 15:02, Rick Giuly a écrit :

>
> As far as I can tell, the FillBuffer() method takes a single RGB  
> triple as an argument and fills the whole buffer with it. What I  
> need is a way to take 3 different images, and copy them into the  
> red, green, and blue channels of an RGB image.

Hi Rick,

I think ComposeRGBImageFilter is what you need.

BTW, found it simply with itk.search("rgb") in python interpreter.  
Sometime, it can help a lot to find what you're searching for!

Gaëtan



>
> Bill Lorensen wrote:
>> You should be able to use the FillBuffer() method applied to Image.
>> On Thu, Jul 9, 2009 at 4:05 AM, Rick Giuly<rgiuly at gmail.com> wrote:
>>> Hello All,
>>>
>>> Is there a simple way to set the R, G, and B components of an image?
>>>
>>> Or, as a backup plan, is there a simple way to set the components  
>>> of a
>>> vector image with 3 components.
>>>
>>> The user guide talks about setting pixels one at a time but I'm  
>>> looking for
>>> something like
>>>
>>> rgbImage.SetRed(image1)
>>> rgbImage.SetBlue(image2)
>>> rbbImage.SetGreen(image3)
>>>
>>> or for a vector image, which I could convert to rgb
>>>
>>> vectorImage.SetComponent0(image1)
>>> vectorImage.SetComponent1(image2)
>>> vectorImage.SetComponent2(image3)
>>>
>>> I noticed there's a section in the manual about Extracting  
>>> Components from
>>> Vector Images but I didn't find one about setting the components.
>>>
>>> (I'm using WrapITK and python.)
>>>
>>> -Rick
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-- 
Gaëtan Lehmann
Biologie du Développement et de la Reproduction
INRA de Jouy-en-Josas (France)
tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
http://voxel.jouy.inra.fr  http://www.itk.org
http://www.mandriva.org  http://www.bepo.fr

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