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Old 05-22-2013, 05:25 PM   #1
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Savannah, USA
Join Date: Feb 2010
Posts: 19
Editing Multiple Keyframes

I was wondering, is it possible to be able to select a scoped animation from your timeline and add a relative key for those frames to affect all of them? For example at frame 1 to 15 I want my rotate Y to set a key on those keyframes to increase or decrease each separate key selected. That way I can go back and tweak certain areas overall instead of going frame by frame.

I tried to scope the keys and in the table tab select 1-15 and MMB click to change the position, but it sets the same position for every key.
Old 05-25-2013, 10:06 PM   #2
Join Date: Jul 2002
Posts: 563
Sure, you can. You just need to adjust your approach, and as the Houdini motto says, "Think Procedurally" by throwing a channel operator (CHOP) on those keyframes instead of using the MMB click to change the keyframe position.

Open up the Channel Editor, scope the keyframes you are interested in. Right-click on a channel group and choose Motion Effects > Create Clip to create a CHOP. Plug in the values, and you're done!

For a better explanation about CHOPs, I'd recommend this Introduction to CHOPs tutorial from Side Effect's Houdini website.
Old 05-25-2013, 10:06 PM   #3
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