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Control one layer's visibility with another layer's visibility

Fri, 12/12/2008 - 14:35 — admin
Special thanks to: 
Dan Ebberts and Chris Meyer (via AE mailing list)

This layer allows you to control Layer A's visibility via Layer X's visibility. This is not opacity based - when Layer X's visibility switch is turned off, Layer A will also not be visibile.

EXPRESSIONS
Expression code: 

opacity * thisComp.layer ("LayerX").enabled;

Copy the expression to Layer A's opacity and replace "LayerX" with the controlling layer's name.

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