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Mikael5FE7
Known Participant
March 31, 2023
Answered

How stop value of Point Control effect to change when changing size of comp?

  • March 31, 2023
  • 3 replies
  • 467 views

I just realised that if you add a Point Control on a shape layer and then change the size of the comp, that will change the value of the Point Control effects. It only seem to occur for shape layers. Not, for instance, a Null layer.

 

Is there a way to have the value not to change when altering comp size, without adding expressions to it?

This topic has been closed for replies.
Correct answer Mylenium

Shape layers are composition sized containers. Since all effects operate on layer relative coordinates, changing the comp size changes the size of the imaginary layer container. As advised use Solids or actual footage items if persistent coordinates are important.

 

Mylenium

3 replies

Mylenium
MyleniumCorrect answer
Legend
March 31, 2023

Shape layers are composition sized containers. Since all effects operate on layer relative coordinates, changing the comp size changes the size of the imaginary layer container. As advised use Solids or actual footage items if persistent coordinates are important.

 

Mylenium

ShiveringCactus
Community Expert
ShiveringCactusCommunity Expert
Community Expert
March 31, 2023

Could you add your point control to a comp-sized solid?  Then I've noticed when you change the comp size, the values remain.  You can link your shape layers to that point control and as long as you don't change the solid's size, the point control should be fine.  I've just done a couple of tests and that seems right.

R
Community Expert
Rick GerardCommunity Expert
Community Expert
March 31, 2023

A Shape layer and a Text layer's anchor point is 0, 0. All other footage layers' anchor point is in the center of the layer. A Point Control's default value is Comp Center for Shape and Text layers and Layer center for all other layers. 

 

You could use a value + the difference between the old comp settings and the new comp settings, but you would need to enter that value manually because expressions cannot look at previous composition settings.

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