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TOPIC: Keyframe Curves Function Non-Functioning

Keyframe Curves Function Non-Functioning 24 Aug 2018 23:34 #96920

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Just read a post on the Apple support forum pointing out this Apple document.
support.apple.com/kb/PH12629?locale=en_US

Problem is, it doesn't' work if you try the last section that starts with "Change the curve shape (interpolation) between keyframes. Do one of the following: Command-drag the line horizontally between the keyframes to create a curve."

Anyone having luck with this? Command-drag the line between keyframes only selects the keyframes and drags them both together, doesn't create a curve.

Also, right-click between keyframes for the pop-up curve menu only works if the two keyframes are of unequal values.
Last Edit: 24 Aug 2018 23:37 by FCPX.guru.
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Keyframe Curves Function Non-Functioning 25 Aug 2018 01:09 #96921

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If the two key frames are of the same value I don’t understand what interpolation you’re trying to apply. How can there be an interpolation of the change if there is no change? If there are two opacity keyframes of different values you can change the curve of the ramp as illustrated on the suppport page.
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Keyframe Curves Function Non-Functioning 25 Aug 2018 01:09 #96922

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If the two key frames are of the same value I don’t understand what interpolation you’re trying to apply. How can there be an interpolation of the change if there is no change? If there are two opacity keyframes of different values you can change the curve of the ramp as illustrated on the suppport page.
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Keyframe Curves Function Non-Functioning 25 Aug 2018 03:52 #96923

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The point is, Command-drag the line between keyframes only selects the keyframes and drags them both together, doesn't create a curve, but the document claims it should create a curve. Values same or different, doesn't matter, it doesn't work.
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Keyframe Curves Function Non-Functioning 25 Aug 2018 08:13 #96924

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You’re quite right Ben. I have no idea what they’re trying to say there, or what kind of a curve Cmd-dragging should produce or why it would. I think Cmd-dragging does what it’s supposed to, selects both points and moves them together. The description is just completely wrong.
Last Edit: 25 Aug 2018 08:14 by Tom Wolsky.
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Keyframe Curves Function Non-Functioning 25 Aug 2018 13:11 #96925

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" I think Cmd-dragging does what it’s supposed to, selects both points and moves them together. "

No, just a plain click and drag between keyframe points moves them both. That's how it works everywhere else in FCPX, Logic, Motion. Command-Drag should create a curve.
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Keyframe Curves Function Non-Functioning 25 Aug 2018 13:25 #96926

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All Cmd seems to do is gear down the drag for more precision.
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Keyframe Curves Function Non-Functioning 26 Aug 2018 15:44 #96927

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I believe this is what's being attempted here.
SS4.jpg


SS6.jpg
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Keyframe Curves Function Non-Functioning 26 Aug 2018 15:50 #96928

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This what you looking to do? (v 10.3.4)
SS4.jpg


SS6.jpg
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Keyframe Curves Function Non-Functioning 30 Aug 2018 01:49 #96962

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Wow, I had no idea that you could do this! Too bad it's limited to only opacity... imo the weakest part of FCPX is its lack of keyframing options. The worst of it is that if you try to keyframe scale and position as an alternate way of doing ken burns, it results in very wonky movement because you can't control the ramping. I'd LOVE everyone to fill out a feature request form to add more of these options. I've done it for a few years now... all they have to do is copy what you can do in Motion. It's so bizarre that it's been 7 years and this hasn't been added, especially since Motion is very closely tied to FCPX.

I just tested this now, and it DOES seem to work. Do what VTCMedia says, but instead of holding down CONTROL, hold down CMD and go forward and back horizontally (not up and down) with the mouse. It will adjust the curvature of the opacity ramping. If you hold down CONTROL, of course that's just the same as a right-click, and that lets you choose from that pop-up menu.

Again, it's truly crappy that you can only do this to Opacity, which is probably the least useful feature to be able to ease.
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Keyframe Curves Function Non-Functioning 01 Sep 2018 17:07 #96969

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Not just Opacity but some 3rd party effects and most Motion-made filters as well.
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Keyframe Curves Function Non-Functioning 05 Sep 2018 01:12 #96982

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epdfilm wrote:
Not just Opacity but some 3rd party effects and most Motion-made filters as well.

Sure, that may be the case, but the lack of ease/bezier controls on the basic transform properties continues to be a huge oversight. And it's mystifying considering that Motion is more or less "inside" FCPX, and Motion has those controls.
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