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Old 08-11-2009, 11:12 PM   #1
3ddon
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Default How to copy and reverse keys?

I'm animating a fan(switch on the fan,running,switch off)
for this I want to copy and reverse keys,which set at starting,because fan starting and ending animation is same.
Please help me guys.....
Thank you.
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Old 09-11-2009, 02:36 AM   #2
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go to the keyed frame that you want to copy, then right click on it, copy then go to the desired frame, right click and paste it.. see! simple...
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Old 09-11-2009, 05:07 AM   #3
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here copying a set of keys is not a big matter,how to reverse them?
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Old 09-11-2009, 09:40 PM   #4
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Its a fan, it takes 2 keyframes. Why not just key it again?

Seems lazy to me
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Old 10-11-2009, 02:44 AM   #5
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Originally posted by Joopson
Its a fan, it takes 2 keyframes. Why not just key it again?

Seems lazy to me
I want the animation of a fan not with a constant speed from 1st frame to last......,I want the animation like when we switch ons it(slow),running(speed),switch off(slow).
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Old 10-11-2009, 03:06 AM   #6
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yeah, that would take 4 keyframes in total, for the whole animation.
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Old 10-11-2009, 03:53 AM   #7
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Originally posted by Joopson
yeah, that would take 4 keyframes in total, for the whole animation.
yeah,but that is my assignment,my faculty said that try as realistic as possible......
and here I want to know the concept "how to copy and reverse keys?"
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Old 10-11-2009, 06:08 AM   #8
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I know in the graph editor it is possible to select a bunch of keyframes and scale them using the scale tool and the MMB. I wonder if you could scale right to a negative value? That would give you the reverse part and you can figure out how to copy a series of keys I'm sure.
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Old 10-11-2009, 07:32 AM   #9
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Originally posted by stwert
I know in the graph editor it is possible to select a bunch of keyframes and scale them using the scale tool and the MMB. I wonder if you could scale right to a negative value? That would give you the reverse part and you can figure out how to copy a series of keys I'm sure.
thanks,but didn't catch you.......
please mention briefly with simple example,if possible with screenies......
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Old 10-11-2009, 07:34 AM   #10
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u mean this kind of??
then copy all the keys, paste them after the last keyframe, then go to graph editor, select the pasted keys, move them to a little farther distance and scale them till they line up in reverse direction. then place them in desired frame gap.
downside is the gap duration maintainence..
Attached Files
File Type: zip reverse keys.zip (24.5 KB, 190 views)
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Old 11-11-2009, 03:20 PM   #11
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thank you guys,now I understood.......
but I'll try this in my institute......
later I'll ask you doubts......
Thanks again....
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Old 12-11-2009, 03:52 AM   #12
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or try trax editor too... it's real easy!!
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Old 07-01-2015, 08:40 PM   #13
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Default Use the Dope Sheet

Copy and Paste Keys in the Timeline. Go to the Dope sheet and select the keys you want to reverse. Hit R for scale, a box will appear over the selected keys. Grab the right handle of the box and stretch the keys backwards to make the last key over lap the first key to reverse the keyed sequence.
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