[Image-SIG] question and bug?

[Carl Haugan]

What sort of function?  A simple X = a*Y + (1-a)*Z can be done with
Image.blend(Z,Y,a);  for more complex functions (X = Y * cos(Z) ) I like
to use Numeric.  

Mike Coleman wrote:
> 
> Hi,
> 
> I was playing with the Image module, and have a question and maybe see a bug.
> The question is, is there any way to set individual pixels?  That is, I'd like
> to compute a channel as a function of two other channels.  Is this possible?
> 
....
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-- 
Carl Haugan                       carl@cyberoptics.com
CyberOptics Corporation
Minneapolis, MN