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Known Participant
August 29, 2017
Question

"Stretching" keyframes proportionately

  • August 29, 2017
  • 4 replies
  • 11484 views

Hi everybody.

I just switched to PPro from Sony Vegas. Is there a way to "stretch" multiple key frames so that they keep their relative distances? In Vegas, I'd hold Alt while moving the last selected key frame and it would work. In PPro, that copies the key frames. I've tried all other modifier keys/key combinations and nothing does it. Is that even doable in PPro?

Thanks.

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4 replies

Participant
September 16, 2023

I found this tutorial: https://www.youtube.com/watch?v=PFbFUvfMVgE

But the Alt key no longer works for this and copies keyframes, I don't know what they replaced it with for this functionality.

MyerPj
Community Expert
Community Expert
September 16, 2023

That's After Effects Petrv.

Participant
December 13, 2019

Just change the speed by right clicking on the clip and it spreads out the keyframes.

marc.horsform
Participating Frequently
December 14, 2020

Changing the speed by right clicking doesn't work for me: the keyframes stay in their initial position.

Ann Bens
Community Expert
Community Expert
December 14, 2020

Make a preset of the keyframes and save it to Scale.

Re-insert clip on timeline and drop preset.

Community Expert
August 30, 2017

Not in PPro. After Effects does it the way that you described.

Possible work around.

You can copy the clip with the keyframes. (Edit/copy)

Make a longer version of the clip in your timeline, (Edit/paste attributes) on to the longer clip. and check scale attribute times in the paste attributes panel. replace the shorter clip with the longer one.

Not as convenient as the "stretch/compress option" but no math.

IregroundAuthor
Known Participant
August 30, 2017

So this begs the question: if it is in Ae, why not in PP? Guess I'll have to ask for it as a feature request. Thanks for the replies.

Legend
August 30, 2017

I'm not aware of this functionality.  You'd have to do the math and move the keyframes manually.