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Screen Mode and Nested Compositions

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Philip Cole
Screen Mode and Nested Compositions
on Jan 15, 2017 at 5:31:45 pm

Hey folks, I'm going to ask this assuming I'm doing something wrong, but I can't figure out what.

I have some pre-matted video elements that I'm putting into a comp with some other animated 2D elements. I set these video elements to screen so they lose their black background. However when I use this composition in my main comp, the black background has returned?! Any ideas? Is there a setting or something that I'm missing?

Thanks for your replies folks!


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Roei Tzoref
Re: Screen Mode and Nested Compositions
on Jan 15, 2017 at 7:56:02 pm

Nested composition will not respect the inside layers blend modes unless you turn on the collapse switch for the precomp.

Roei Tzoref
After Effects Artist & Instructor
♫ Ae Blues Tutorials


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Dave LaRonde
Re: Screen Mode and Nested Compositions
on Jan 15, 2017 at 9:33:07 pm

If you NEED images that must be transparent, they must have transparency with no need for blend modes. Based on the information at hand,you'll have to figure that one out on your own.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Walter Soyka
Re: Screen Mode and Nested Compositions
on Jan 16, 2017 at 11:30:32 am

[Philip Cole] "I set these video elements to screen so they lose their black background."

Red Giant has a free Unmult effect that makes black transparent, so you can do this with an effect instead of a blend mode.

Walter Soyka
Designer & Mad Scientist at Keen Live [link]
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
@keenlive [twitter]   |   RenderBreak [blog]   |   Profile [LinkedIn]


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