[lug] Looking for image manipulation software

[Mike Stanczyk]

On Tue, 23 Nov 2004, Paul E Condon wrote:

> I'm looking for a software package that will allow me to overlay and subtract > one image from another. Perhaps, all I need is help getting gimp to do what
> I want.
>
> By subtract, I mean pixel-by-pixel difference of pixel values so that if the
> two input images are identical, the result is an blank image. I can get two
>  images overlaid.

Paul,

I'm confused on what you're looking to do but check out this:
http://www.techreport.com/etc/2004q3/ati-doom3/index.x?pg=1

Is that the kind of diff you want?

Mike