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Cant mask keyed footage?

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Rabbo FilmsCant mask keyed footage?
by on May 10, 2014 at 7:44:37 am

Hi all,

I am trying to key an explosion so that it is behind my character. Before doing this I removed the black background of my explosion by using Shift channels. Without shift channels applied I can mask the layer fine, using subtract or even inverted add mask, but when masking the footage with the shift channels effect, the masking does nothing.

Is there a way to render my clip as a pre-keyed explosion? or just mask it in the same composition? Thanks

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Joseph W. BourkeRe: Cant mask keyed footage?
by on May 11, 2014 at 12:35:37 am

Knoll Unmult should do the trick for you:

Joe Bourke
Owner/Creative Director
Bourke Media

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