Author Topic: Mask Material (matte alpa, black in alpha, black hole)  (Read 2093 times)

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Offline dennisvolkerts

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Mask Material (matte alpa, black in alpha, black hole)
« on: June 29, 2016, 04:04:29 am »
Hi, is there something like a mask material? no shadows, black in alpha.
In Maya its called a black hole witch basically just makes it black in the Alpha channel

thnx alot

Offline Chad Holton

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Re: Mask Material (matte alpa, black in alpha, black hole)
« Reply #1 on: June 29, 2016, 06:26:00 am »
Hello - I like to use the flat material for this. Works great and renders fast.

Offline dennisvolkerts

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Re: Mask Material (matte alpa, black in alpha, black hole)
« Reply #2 on: June 29, 2016, 07:36:37 am »
Hello - I like to use the flat material for this. Works great and renders fast.
Yes, but how to let it show as black in Alpha?

Offline Chad Holton

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Re: Mask Material (matte alpa, black in alpha, black hole)
« Reply #3 on: June 29, 2016, 07:51:22 am »
I'm not sure what you mean then. I create a black and white rendering using the flat material in KeyShot then use it as a mask in a compositing program.  Can you share a screenshot or two showing what you're trying to do?