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Particular/Chroma Key Issue

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Nick Turner
Particular/Chroma Key Issue
on Jul 29, 2009 at 1:41:24 pm

Hi guys
I've been battling with trying to get some particle effects surrounding some blue screened footage I've shot. It took me ages to discover the whole obscuration layer thing so I assumed it'd be easy just to set the layer that's been keyed out to obscure the far particles and allow the close ones to appear in front of the keyed layer.

However! I can't get particular to see the keyed layer as a keyed layer, all it seems to do is treat it as the full frame that existed before keylight was applied.

So I'm getting particles infront and behind my keyed out footage, but the near particles are appearing in a box shape around the keyed out person and the far particles are only appearing outside of that box.

I hope I've explained it alight.

Thanks

Nick


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Mike Park
Re: Particular/Chroma Key Issue
on Jul 29, 2009 at 1:50:05 pm

one word - precompose

Particular is reading your layer without any effects applied - ie, withouth the keying. If you precomp your keyed footage, it should work.


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Nick Turner
Re: Particular/Chroma Key Issue
on Jul 29, 2009 at 2:01:31 pm

Genius, thank you very much.
I also only just realised that particular should be in a layer above the comp too rather than below.


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