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How to edit scale across multiple keyframes

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Spencer Tycksen
How to edit scale across multiple keyframes
on Jan 27, 2012 at 4:54:48 pm

I am needing to resize an object that I got tied to a motion tracker on a separate layer. I was hoping to simply highlight all the scale keyframes, and adjust them down 20%, but that only adjusts the keyframe at the CTI. Is there a way to change the scale of many individual key frames (which vary in scale) and edit them down a certain percentage?


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Walter Soyka
Re: How to edit scale across multiple keyframes
on Jan 27, 2012 at 5:29:42 pm

[Spencer Tycksen] " I was hoping to simply highlight all the scale keyframes, and adjust them down 20%, but that only adjusts the keyframe at the CTI. Is there a way to change the scale of many individual key frames (which vary in scale) and edit them down a certain percentage?"

You could create a null object, parent your layer to the null, and scale down the null.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Walter Soyka
Re: How to edit scale across multiple keyframes
on Jan 27, 2012 at 5:31:35 pm

Alternately, you could use an expression.

Alt-Click the Scale stopwatch, and copy and paste the following:

value * 0.8

This will adjust all the scale values to 80% of their keyframed value. Adjust that 0.8 number as necessary.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
Creative Cow Forum Host: Live & Stage Events


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Spencer Tycksen
Re: How to edit scale across multiple keyframes
on Jan 27, 2012 at 6:43:54 pm

Thank you Walter. I appreciate you helping out a noob. Great ideas, they both worked. =]


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Roland R. Kahlenberg
Re: How to edit scale across multiple keyframes
on Jan 28, 2012 at 3:23:57 am

Walter's given you a couple of good options. However, you should be able to change all the KF values if you -
(1) select all the KFs
(2) park the CTI on any one of the KFs
(3) scrub the value downwards by 20% or 80% of its original value

HTH
RoRK

Intensive AE & Mocha Training in Singapore and Malaysia
Adobe ACE/ACI (version 7) & Imagineer Systems Inc Approved Mocha Trainer


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Ryan Peplinski
Re: How to edit scale across multiple keyframes
on Dec 12, 2013 at 2:36:54 pm

This is easy...

1. Select all keyframes
2. Layer>Time>"Time Stretch"
3. Enter Stretch Factor % ie:If you want to scale to twice as long = 200%
4. Hit OK
5. Done!

razzi


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