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alpha matte blur
is it possible to blur a layer, using an adjustment layer at the bottom (alpha matted up layer as track matte) without precomposing.
sorry if i asked a little complicated, but im really sleepless.
efekts like noise works great of course, but blur works in different way.i hope im clear enough.
tahnks in advance. -
2 Replies
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If I understand correctly,
you mean that if you blur a layer, then apply an alpha track matte to it, the matte may do a sharp cutout instead of a blurred one ?
You can use an adjustment layer on top of the two layers, but it will of course blur every layer underneath it.
You can also apply a second blur to the trackmatte, but that adds to your rendertime, especially with gaussian blur.
IMHO Pre-composing would be the way to go.
Either precompose and then apply a blur to the comp, or precompose with the adjustment layer in the precomp
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well the problem is; if i precompose (with adj lay on top), i have to open the precomposed composition everytime for every little setting. but if i use track matte i can set everything from the main composition.
using track matte with letssay noise effect gives no problem as the noise effect happens inside the borders (or masks), but blur effect needs to overflow the borders to give the blur effect.
thanks.
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