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One effect to all layers except one? (Adjustment layers)
Hi. I have a bunch of layers containing 3d elements on top of a layer containing video footage. I’m wanting to add the lanscare focal blur effect to all the cg layers, but not the footage, and I don’t want to have a seperate effect for every layer because there’s quite a few of them.
At the moment I’ve got an adjustment layer at the top with the effect applied to it, but the the problem is this also ends up blurring the footage layer as well.
Is there a way to exclude a layer from the effect of an adjustment layer? Or of applying one effect to multiple layers without using an adjustment layer? Or some other way of doing this?
cheers
Daniel.
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4 Replies
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can you just precomp the the 3d layers that you want effected by the adjustment layer?
then you could include the adjument layer in the precomp or apply the effect to the precomp.
Kevin Camp
Designer – KCPQ, KMYQ & KRCW -
You can also try placing a null between the bottom layer and the footage layer. This sometimes works as a trick to separate adjustment layer effects.
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I inserted a null layer just above the footage, but it didn’t seem to have any effect at all…
What I’ve done is made a second composition and nested the first within it, so the adjustment layer is not affecting the footage, which is in the second comp layered beneath the first one. If that makes sense.
Which works well.But my problem now is, whereas in the first comp the cg layers’ alphas settle nicely into the footage, in the second comp the edges are more chunky and less feathered. I think the first comp is coming through as either straight matted or premultiplied, and whichever one it is I want the other one.
How do I change the output alpha style of a comp? I can’t interpret it like I can footage.cheers
Daniel.
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yup, the null layer trick was for 3d layers, I forgot.
Pre-comping is the way to go. Alpha issues; I don’t think I’ve ever had a problem. By “made a second composition and nested the first within it” I assume you mean you selected the layers you wanted to be separate and chose layer/pre-compose/keep all effects. That usually does it for me.
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