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Hombre wrote:
> Hello !
>
> I'm currently trying to generate a POV image with transparent background to
> paste it on a real life photo. I would like to render the shadow in alpha
> channel on an invisible table (which have the 'no-image' flag on), but
> nothing appears at all... Is there a way to do this ?
Not that easy. You can render the alpha channel in a second render
(with the table in white color and the object that casts the shadow in
black. Then you can use this (grayscale) image as the alpha channel in
the image (for example using Imagemagick).
Christoph
--
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 23 Sep. 2004 _____./\/^>_*_<^\/\.______
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