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Timing of a trimed layer

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David Garces
Timing of a trimed layer
on Feb 20, 2018 at 6:43:53 pm

Hi community,

I'm on a deadline, like pretty much everyone here I guess.
The thing is that I want to animate a layer to match the speed of a trimmed path and after two days of trying lots of things I've reached a point where I need help.

I want to do something similar to this




(minute 3:40)

I've managed the shape and the mask for the text needed to have the text where I need using repeaters, three shapes one for the front, one for the alpha mate of the text and one as a base where the text will be.


The thing is that I have no idea how to match the speed of the text layer with the paper since trim paths have no keyframes.

I honestly have no idea how to do it. Can anyone help me?
Thank you


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Roland R. Kahlenberg
Re: Timing of a trimed layer
on Feb 21, 2018 at 3:29:26 am

I'm not following you here - " trim paths have no keyframes" and I'm also not seeing the effect you've described at the 3:40 mark.

I can only state that without keyframes, Trim Paths will not animate. So, which property are you actually animating and is it really Trim Path (the Shape Layer operator) which you are alluding to)?

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David Garces
Re: Timing of a trimed layer
on Feb 21, 2018 at 11:44:14 am

My bad, the effect was at 3:48 (I wrote this post on my phone so it messed with my typo a bit)

I solved it yesterday after doing something very basic, I'm posting it here in case someone finds it useful:

The issue:
Matching a layer's movement to the movement of a trimmed path.

1-Set keyframes for start and end of the trimmed animation
2-Copy the path of the trimmed shape and paste it in a Null's position
3-Expand the time of the Null's position to match the start and end of the trimmed layer.
4-Check on Null how many frames it moves per second
5-Apply to the layer
6-Precompose and adjust timing if needed/desired.

It was a lot easier than it looked; it may not be the most elegant way but it gets the job done.


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