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Creating a luma mask

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Matthew Severin
Creating a luma mask
on Apr 22, 2010 at 5:56:54 pm

I've been doing a 3d tutorial where three images are rendered. 2 are of an object with different materials and the 3rd is the same object with only greyscale values.

I noticed in the tutorial the person was able to set this greyscale bitmap as a layer mask on one of the bitmaps.

I've never seen this before and can't seem to figure out how he did it (it wasn't mentioned in the tutorial.

I can't seem to find the answer with google either. Here is a screenshot that illustrates my point - http://tinyurl.com/2vvo5v4

Thanks in advance!



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Theo van Laar
Re: Creating a luma mask
on Apr 24, 2010 at 5:37:58 pm

I hope this helps:



Theo


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