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pilkiwilky
09-27-2005, 02:50 PM
Is there a quick way to render only the alpha channel of a scene so it renders quicker than rendering the textures and surfaces?

I want a black and white file to give to AE to use the A channel on

thankss

Lightwolf
09-27-2005, 03:34 PM
Not really, but if you have no transparencies you can use QuickShade mode which afaik renders the alpha too.
Another option would be to dupliate your scene, turn any non-(semi-)transparent object into a matte object (object properties or New Scene Editor) and turn of all lights, raytracing (except for transparency if you need it) etc... That should render quickly enough.

Cheers,
Mike