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Problem with Keylight Matte and masks
I’m trying to render an alpha matte of my key. The key consists of severel masks which I used to pull different keys on various part of the subject. The masks are all feathered and are layered on top of each other. The subject looks fine in “Final Result” view:
Final Result:
But when I turn all my layers into Combined Mattes and Screen Mattes, I end up with this:
Combined Matte:
Screen Matte:
The Combined Matte cuts a huge chunk out of the layer below it, and the Screen Matte gives me an ugly box around the mask, as if there is a rectangular shape around his head, however there are no masks in place where that rectangle appears.
I need the seperate layer for the top of his head because I require his hair to be more soft than the rest of his body. How can I render a white matte that doesn’t have any strange transitions or borders around the overlapping masks?
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1 Reply
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Thanks Dave! You just saved me a few days worth of insanity with all that it implies. I copy/pasted the nested comp several times above all my problematic layers and used every instance of it as a separate Alpha Matte for each one of them. That cleared up the problem really well.
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