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Would anyone else like to link keyframes on different layers?
I just found myself wishing for a feature I’m PRETTY sure doesn’t exist (although maybe there’s a complex scripting workaround). A lot of the time in an animation, you want a bunch of things to happen at the same time. I’d love to be able to link all these keframes to a trigger (maybe a marker?) so that if I move the marker, all those keyframes will move too. The same way you can group objects in Illustrator or Photoshop, I’d like to group keyframes and move them together easily.
I’ll give you a specific example. I’m working on a glorified slideshow, and every transition involves a bunch of different things (lens flares, camera moves, etc). The client may very well want me to insert an image, change the music and the timing, etc. It’s usually pretty easy to move all the related keyframes because they all happen at the same time. I just start on the first layer and drag down to select all the keyframes that happen at that time. But I’ve definitely accidentally moved keyframes that I shouldn’t have, or forgot some I needed. Wouldn’t it be nice to have 10 markers representing my ten photos in the slideshow, and all I had to do to retime was move these 10?
I know Time Remap can do this, sort of, but it’s not always an option. Sometimes there are elements in the comp that can’t be slowed down or sped up – you just want the animation to hit earlier. Anyway, I don’t think After Effects has this feature, but if it did I’d use it. I come back to old projects all the time, and the more I can simplify what’s going on, the better.