Mailing List AE-List@media-motion.tv ? Message #49170
From: Brendan Bolles <brendan@fnordware.com>
Subject: Re: [AE] why isn't masking treated as an effect?
Date: Sat, 25 May 2013 15:44:24 -0700
To: After Effects Mail List <AE-List@media-motion.tv>
On May 25, 2013, at 12:30 PM, scott.aelist wrote:

> it was simply a question that occurred to me: "Why can't
> masking be an effect like everything else?"


You can access a layer's masks in certain filters, such as Fill.  I can think of a hack using Fill and Set Channels to get the result you're looking for.  You can also apply Keylight and use the Outside Mask parameter to get this result.

This is not going to work if you have multiple masks with different modes, but I agree a straight-forward "Apply Mask" filter would be nice.  File a feature request.


Onto the bigger issue.  The order of operations in AE is 1) effects, 2) masks, 3) transforms. To do things in a different order, you generally have to precomp.  There's also adjustment layers, Stencil Alpha, and the Transform effect.

We know that with Nuke it's much easier to change the order operations, but that's really because every node in Nuke is a precomp.  Every transform and every mask adds another node to your graph while in AE they're just properties of a layer.  I'm just saying the AE approach has advantages too.


Brendan

 
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