geometry as stencil when painting in 3D?
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Is there a way to use geometry as a stencil?
Here's my situation. I want to paint a density map for eyebrows. I have the geometry where the eyebrows should be. I want to paint a map that is all black on the head, and white only where the eyebrows should be.
I want to use the eyebrow geometry to mask where I'm painting. For example, if the head is currently all white, I want to paint black on everything except the eyebrows. I want to use the eyebrow geometry to prevent me from painting black where the eyebrows should be (i.e., staying white).
The "effect" would be sort of like putting painter's tape on a wall, painting the wall (including the tape), then taking off the painter's tape. There will be new paint on everything except what was under the painter's tape.
Is there a way to do this in mudbox?
Thanks!