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Maya Alpha Technique

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sam fernandez
Maya Alpha Technique
on Mar 22, 2010 at 6:36:48 pm

I have an animation question that's been killing me for years. I want to know if there is anyway to create an alpha type layer in maya to hide certain areas of geometry. A great example of what i'm talking about is the pixar short Presto:
There are objects going in and out of the hats and i need that exact technique to show proteins being made and ejected from the ribosome. Is this just crazy good compositing?

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Michael Frank
Re: Maya Alpha Technique
on Mar 23, 2010 at 10:23:47 pm

Yeah, this looks like its likely some compositing to me.

There may be some way you can set this up through advanced hypershade technique. Would be something similar to a compositing set up - somehow subtract a reference piece of geometry's alpha from the rendered image.

Or otherwise, you could render that reference geometry out and then subtract it in a compositor.

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