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KeyShot Forum

Technical discussions => Materials => Topic started by: dennisvolkerts on June 29, 2016, 04:04:29 AM

Title: Mask Material (matte alpa, black in alpha, black hole)
Post by: dennisvolkerts 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
Title: Re: Mask Material (matte alpa, black in alpha, black hole)
Post by: Chad Holton on June 29, 2016, 06:26:00 AM
Hello - I like to use the flat material for this. Works great and renders fast.
Title: Re: Mask Material (matte alpa, black in alpha, black hole)
Post by: dennisvolkerts on June 29, 2016, 07:36:37 AM
Quote from: Chad Holton on June 29, 2016, 06:26:00 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?
Title: Re: Mask Material (matte alpa, black in alpha, black hole)
Post by: Chad Holton 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?
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