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Render Layer Mask alternative but per material? (not object)

Posted: Wed Jan 20, 2016 9:49 am
by Rev
Hi There!

I am trying to generate a black and white image much like a render layer mask output, but based on materials not objects. I have a complex objects with many materials and would like some of these materials to be solid (white or black, like a 'matte' but without catching shadows). Is there a way to achieve this on a per material level?

Re: Render Layer Mask alternative but per material? (not object)

Posted: Sat Jan 23, 2016 1:33 pm
by aoktar
Take a look for material id. But it just generates different colors per materials.