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generate keyframes for child layer

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Rishat Agzamov
generate keyframes for child layer
on Sep 25, 2015 at 11:15:51 am

Hi!

I have several parented in a chain layers. I need to export path for the last child layer in a chain. Is there any way to generate keyframes for every frame for position and rotation properties of that layer in relation to comp?


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Kalle Kannisto
Re: generate keyframes for child layer
on Sep 25, 2015 at 4:50:04 pm

Haven't actually done that specific thing, but in theory, adding the expression "value" to those two properties, then using "expression to keyframes" would do it. Whether it will be in the world coordinate system is a different story. You may need to use toWorld expression for the values.


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Rishat Agzamov
Re: generate keyframes for child layer
on Sep 26, 2015 at 11:18:52 am

Hi, Kalle

Thanks for your help. It is exactly what I need.
I used expression from
https://podcasts.creativecow.net/after-effects-tutorials-podcast/child-trac...
for position property.
And used a sum of all parent rotations for rotation property.
Than applied "expression to keyframes" and it worked!


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Jason Jantzen
Re: generate keyframes for child layer
on Sep 26, 2015 at 9:24:01 pm

There's this handy little script for that from @aescripts - http://aescripts.com/bake-parented-transform/

Jason Jantzen
vimeo.com/jasonj


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