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StefanStehlik
StefanStehlik
Inspiring
March 18, 2023
Answered

Connecting scale, and maintaining keyframes values

  • March 18, 2023
  • 1 reply
  • 808 views

I would like to connect the scale property of "Layer 1" to the second layer with this expression: thisComp.layer("Layer 2").transform.scale. Is there a way to maintain the value of the scale keyframes relative to the new scale of the "Layer 2".

This topic has been closed for replies.
Correct answer Dan Ebberts

I guess for rotation you could do this:

r = thisComp.layer("Layer 2").transform.rotation;
value + r

and this for opacity:

t = thisComp.layer("Layer 2").transform.opacity/100;
value*t

but postion is trickier. For position you need a reference point, and how you'd implement that would depend on exactly what you're looking for.

1 reply

Dan Ebberts
Community Expert
Dan EbbertsCommunity Expert
Community Expert
March 18, 2023

There's more than one way to interpret what you're asking for, but maybe like this:

s = thisComp.layer("Layer 2").transform.scale/100;
[value[0]*s[0],value[1]*s[1]]
StefanStehlik
StefanStehlikAuthor
Inspiring
March 24, 2023

Thanks Dan, this works great. How would you adapt this expression to position, rotation, and transparency, maintaining relative values?

StefanStehlik
StefanStehlikAuthor
Inspiring
April 2, 2023

I guess for rotation you could do this:

r = thisComp.layer("Layer 2").transform.rotation;
value + r

and this for opacity:

t = thisComp.layer("Layer 2").transform.opacity/100;
value*t

but postion is trickier. For position you need a reference point, and how you'd implement that would depend on exactly what you're looking for.


Thank you Dan

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