Jean-Luc Coulon (f5ibh) wrote:
> I've shooted some infra-red pictures with my digital camera.
> I would like to isolate the red channel and transform it to a black and 
> white  picture, discarding the green and blue channels.
> How to do that ?

You should decompose the image. This is not the only way to do
it, but it's certainly the easiest. The Decompose filter was
moved in the 1.3 tree to <Image>/Filters/Colors/Decompose. Select
RGB from the choices offered, and you will get 3 greyscale
images, one for each channel.


       David Neary,
       Lyon, France

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