u would be:
-1 * (2/width * offset)

v would be:
((root.format.h/root.format.w)*2)/root.format.h * offset


-deke

On Thu, Apr 28, 2011 at 14:26, John RA Benson
<john.benson.macg...@gmail.com> wrote:
> While we're on the subject of cameras and a little matrix math -
>
> does anyone have the math for converting pixel values of the offset of a 
> filmback into the window u value for the camera?
>
> Say I want to offset the image by 15 pixels, I'd need to adjust the window u 
> by ... ?
>
> thanks!
> JRAB_______________________________________________
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