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Activity Forums Adobe After Effects Expressions expression to link cameras?

  • expression to link cameras?

    Posted by Bill Clotz on December 19, 2007 at 3:37 am

    Ok, here’s whats going on. I’m using a number of effects that have a “use comp camera” setting. Problem is, some of these effects are applied to layers that are inside of precompositions, and I want them to use the camera thats in my main composition.

    Now, I first got the idea to create new cameras in each of my precompositions, and use expressions to link each of the properties to the properties of my main camera.

    That WOULD have worked, but then I found out that I really need to control my main camera by parenting it to a null, in order to get the level of control that I need. So now, when I adjust my main camera via the null, the other cameras obviously aren’t going to change with it, since the actual properties of the camera aren’t changing. At this point, I’m unsure how to remedy this situation. I’ve tried thinking of ways to rework my project without the precompositions, but I really don’t think its possible.

    Bill Clotz replied 18 years, 8 months ago 2 Members · 2 Replies
  • 2 Replies
  • Dan Ebberts

    December 19, 2007 at 4:45 am

    How about parenting the precomp camera to a null set up the same way as in the one in the main comp, and then linking all the null’s properties to the null in main comp via expressions? Would that work?

    Dan

  • Bill Clotz

    December 19, 2007 at 5:04 pm

    Yes! Sometimes it’s easy to overlook the obvious :p

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