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Activity Forums Adobe After Effects Can you Pre-Compose but maintin layer length?

  • Can you Pre-Compose but maintin layer length?

    Posted by Dustin Bowser on April 11, 2009 at 1:06 am

    I have something that I’m color correcting in After Effects, and each cut of the edit is on it’s own layer, so I have a ton of little layers, each one needing it’s own color correction. I was wondering, is there a way that I can precompose a layer without the precomposed layer suddenly becoming as long as the entire composition. I would like the precomposed layer to stay the exact same length as the layer. I want to do this because I want to be able to stack up a bunch of effects, adjustment layers, etc….for each layer, like it’s own little capsule, while keeping my main composition, my “edit” as clean as possible, just with a bunch of trimmed precomps in it. Is there any way to do this without having to manually trim a precomp the second it is created?

    Todd Kopriva replied 12 years, 6 months ago 3 Members · 7 Replies
  • 7 Replies
  • Todd Kopriva

    April 11, 2009 at 1:25 am

    Try this handy script by Chris Zwar.

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    Todd Kopriva, Adobe Systems Incorporated
    putting the ‘T’ back in ‘RTFM’ : After Effects Help on the Web
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  • Dustin Bowser

    April 11, 2009 at 1:30 am

    That’s absolutely what I need! Thank you so much!!

  • Dustin Bowser

    April 11, 2009 at 3:00 am

    While I’m at it, I’ve got another Timeline management question that might involved scripting… When I import a timeline in from Premiere Pro, the layers are just stacked with no regard to where they actually occur in time, so I just have chunks of layers everywhere. It would be great if there was some kind of way, a script or something, that would auto-arrange all my layers so that they occurred one after another in time, so that each layer chunk comes one after another. Any ideas?

  • Spence Padilla

    April 12, 2009 at 1:08 am

    i was going to suggest the sequence layers tool from the keyframe assistant, but realized your layers probably aren’t even coming into AE stacked top to bottom in the order they occur in time, are they…

  • Dustin Bowser

    April 12, 2009 at 8:16 pm

    No they aren’t. That’s all I’m looking for, is to arrange the stack order of the layers to be in the same order as the layers in time. The sequence layers command moves my layers in time.

  • Todd Kopriva

    September 9, 2013 at 11:32 pm

    After Effects CC (12.1) adds an option in the Precompose dialog box for this, to trim the precomposition duration to the duration of selected layers.

    See this page for details:
    https://adobe.ly/AE_CC_12dot1_details

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    Todd Kopriva, Adobe Systems Incorporated
    After Effects quality engineering
    After Effects team blog
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  • Todd Kopriva

    November 1, 2013 at 12:26 am

    Today, we released the After Effects CC (12.1) update.

    Try the new option for setting a precomposition to the length of the selected layers in this version.

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    Todd Kopriva, Adobe Systems Incorporated
    After Effects quality engineering
    After Effects team blog
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