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Drive the value of a keyframe with another keyframe?

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David Cabestany
Drive the value of a keyframe with another keyframe?
on Jul 30, 2019 at 3:56:44 pm

I have a very simple 4 keyframe animation happening: 0%->x value->xvalue->0% it happens on scale.
As you can see, I'm holding the value in between the second and third keyframes for a while and then goes back to 0, nothing fancy.

The problem is that I have to do it over 50 times and each time the value will be different.

Is there a way to define the third keyframe as the same as the second using an expression? The second value will be adjusted on the comp panel, so it's easier to adjust pulling it rather than entering a numeric value.

Thanks everyone for your help.


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Deanna Keogh
Re: Drive the value of a keyframe with another keyframe?
on Aug 1, 2019 at 6:27:18 am

Would hold keyframes work instead of using an expression?
It would therefore eliminate the need for the 3rd keyframe


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David Cabestany
Re: Drive the value of a keyframe with another keyframe?
on Aug 1, 2019 at 2:24:04 pm

Yes, that's ultimately the behavior I need, but it happens at different times in each comp, I'm trying to avoid having to dive in each of them and instead have a slider controlling the value for both.

I guess a hold keyframe is as good as it will get.

Thanks.


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