[Insight-users] Setting RGB components

[Rick Giuly]

Thanks, that looks like exactly what I need. (I'm not sure why I didn't 
see that, maybe a needle in a haystack effect-- or maybe because my 
browser jumps around in the itk list of classes page in a weird 
non-alphabetical way as I search.)

I'm using pythonxy. This search function looks useful, but it's not 
working for me. Is this something the pythonxy administrator would need 
to enable?

 >>> itk.search("rgb")
Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
   File 
"O:\software\pythonxy\python\lib\site-packages\itk\module\Python\itkLazy.
py", line 14, in __getattribute__
     value = types.ModuleType.__getattribute__(self, attr)
AttributeError: 'LazyITKModule' object has no attribute 'search'
 >>>

Gaëtan Lehmann wrote:
> 
> 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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