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Activity Forums Adobe After Effects Expressions ExtendScript – toComp?

  • ExtendScript – toComp?

    Posted by PJ Palomaki on March 28, 2023 at 5:31 pm


    I’m writing a simple ExtendScript script (.jsx) where I want to get the screen-space coordinates of a 3D layer (which is parented to another 3D layer). Usually, when using Expressions, I can use toComp, but it seems that toComp is not available in ExtendScript. Looking at the AE Scripting Guide (, there doesn’t seem to be any similar functions to get the screen-space coordinates of a layer position (in relation to the comp).

    Does anyone have any ideas how to accomplish this?


    Brie Clayton replied 1 year, 2 months ago 3 Members · 4 Replies
  • 4 Replies
  • Dan Ebberts

    March 28, 2023 at 5:36 pm

    What I’ve done in the past is to have the script add a temporary Point Control somewhere, add the toComp() expression to the Point Control, harvest the result, and delete Point Control. Somewhat of a pain, but effective.

  • PJ Palomaki

    March 28, 2023 at 5:39 pm

    Hmm not a bad idea, might have a go at that. Thanks!

  • PJ Palomaki

    March 29, 2023 at 8:19 am

    Thanks again, worked perfectly.

  • Brie Clayton

    March 29, 2023 at 1:16 pm

    Thank you, Dan!

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