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Set Alpha/Matte to hdr layer without clamping the values to 0-1 range

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Mat McMillerSet Alpha/Matte to hdr layer without clamping the values to 0-1 range
by on Apr 22, 2012 at 7:48:13 pm

I have a .hdr sequence as well as a .tga sequence. the .tga sequence contains the alpha channel to be used for the .hdr sequence.

The problem is that if I apply the alpha channel to my hdr sequence using Set Matte or Set Channel, then the color values of my hdr sequence get clamped to 0-1.

How can I mask my hdr sequence without losing the hdr range?

using AfterEffects CS5


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