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Using a Matte in FCP
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Inverting the matte layer isn’t the problem. I can easily do that with the “invert” effect. Unfortunately, it has no affect on the composite. It’s really strange.
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So essentially, you need the truck to reveal the logo?
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Yeah. That wasn’t clear? Haha! Sorry.
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No worries. I get it now. So you have a couple of things going on. You are cutting the matte for the truck, then you have to use the composite for that to reveal a layer underneath that. (Basically buidling the alpha, then using that composite for a new matte). Again, enter the Travel Matte. Since you have the truck setup like you want with the hold out matte, select those two clips and nest those items (use the sequence menu and choose nest items). Then use a travel matte > alpha composite mode with that nest and the logo. Hope that makes sense and works. I’m going from memory.
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The last response was six days ago but I don’t see that you ever got the answer.
Does this help:
Avid:
V3 – Matte Video with “Matte Key” effect applied
V2 – Fill Video
V1 – Background VideoFinal Cut:
V3 – Fill Video with composite mode “Travel Matte Luma” applied
V2 – Matte Video
V1 – Background Video -
Thank you, Larry! That was the exact right solution.
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