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Grab Color from Another Layer

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Adam Kois
Grab Color from Another Layer
on Apr 2, 2012 at 3:46:46 pm

I'm trying to basically create a pixel wipe effects for some footage. Basically rotoscoping out a person and then having pixels move on top of them pulling the same color from the person so it looks like they are morphing into pixels.

I have a grid of pixels right now, but I'm wondering if I can apply the "colorama" effect to an adjustment layer to pull the colors from the rotoscoped image?

Can't seem to find something that works... any ideas?


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ben g unguren
Re: Grab Color from Another Layer
on Apr 2, 2012 at 4:42:07 pm

Have you looked at the Mosaic effect? That might provide what you need in one go.

Not sure if this is helpful, but there is a "Sample Image Expression" animation preset that will return a color based on a location and sample radius that you provide. You can then use the result to drive another effect. In theory, you could have a separate sampler for each pixel or something....

Ben Unguren
Motion Graphics & Editing
http://www.mostlydocumentary.com


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Adam Kois
Re: Grab Color from Another Layer
on Apr 2, 2012 at 9:30:08 pm

Yup, thanks :)


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