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Using null object to change nested layer position

Explorer ,
Apr 07, 2024 Apr 07, 2024

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Hello. I've pick-whipped a layer's position to a null object a few levels up in the hierarchy of nested compositions. Adjusting the null's position moves the layer as expected until I create a keyframe, then it stops working.

I'm not sure if this matters, but I'm working on an animation where comps of a character's face orientations (profile, 3/4s, forward) are nested inside a comp with a duration of one frame and staggared by one frame. I've time-remapped the upper comp to control which orientation is being shown.

Any help would be appreciated. Thanks.

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Error or problem , Expressions

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Community Expert ,
Apr 07, 2024 Apr 07, 2024

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Generally, you run into issues like this if one or more of the layers in the hierarchy have a starting time that is offset from time 0 in their comp. The expression has to compensate for any such offsets. The exact expression depends on the comp/layer names, so a detailed description of the hierachy would be helpful.

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LEGEND ,
Apr 07, 2024 Apr 07, 2024

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Agree with Dan. You probably run into a "negative time" issue where the effective start time after all the nesting and arranging layers ends up being below zero and then of course nothing happens. You have to account for that with some expressions or restructuring the project.

 

Mylenium

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