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Trapcode form doesn't recognize rotobrushed layer's transparency.

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Johnny SmithTrapcode form doesn't recognize rotobrushed layer's transparency.
by on Jul 24, 2011 at 10:41:35 am

Applied form to a solid layer ( layer set to visible ) and used a rotobrushed layer ( hidden ) as a source for the color and alpha map. Functionality set to RGB to RGB. Issue: the comp's background is no longer transparent. How can I fix this? Watched all of the tutorials on form and can't figure this out. Thanks so much in advance.


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Todd KoprivaRe: Trapcode form doesn't recognize rotobrushed layer's transparency.
by on Jul 24, 2011 at 12:32:36 pm

Precompose the layer with the Roto Brush effect, and use the new precomposition layer as the source for the alpha channel.

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Johnny SmithRe: Trapcode form doesn't recognize rotobrushed layer's transparency.
by on Jul 24, 2011 at 11:00:42 pm

That did NOT make a difference, unfortunately.


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Johnny SmithRe: Trapcode form doesn't recognize rotobrushed layer's transparency.
by on Jul 24, 2011 at 11:30:58 pm

switched to RGBA instead of RGB and yes it worked! thank you very much.


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