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applying effects to specific color channels

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Rolf van Dam
applying effects to specific color channels
on Oct 18, 2010 at 7:39:41 pm

Hello,

I'm trying to find a way to seperate the color channels so I can apply effects to that specific channel. In photoshop this is really easy but I haven't succeded in getting to work that way in After Effects.

It seems possible using three seperate layers (Add) and applying a configuration of "Set channel" for each. Somehow the end-result is always off though.

Would anyone know how to achieve such a thing or know a way of applying effects (Blur/Sharpen) to just one color channel?


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Tudor "Ted" Jelescu
Re: applying effects to specific color channels
on Oct 18, 2010 at 9:25:24 pm

Channel Blur
http://help.adobe.com/en_US/aftereffects/cs/using/WS3878526689cb91655866c11...

Tudor "Ted" Jelescu
Senior Compositor/VFX Artist


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Chris Wright
Re: applying effects to specific color channels
on Oct 18, 2010 at 11:26:58 pm

if you want other kinds of blurs besides channel blur, you can use effect-shift, leave red on, green and blue full off, do this for all 3 separate layers, then set each layer as screen. it will return the orginal image back so that you can do whatever you want to each channel.

http://technicolorsoftware.hostzi.com/


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Rolf van Dam
Re: applying effects to specific color channels
on Oct 19, 2010 at 9:34:28 am

Thanks Chris. Thats exactly what I needed. Works great now.


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