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Animating mask path with motion blur

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ilya ksavAnimating mask path with motion blur
by on Jan 21, 2015 at 11:24:22 am

Hi. I ran into this problem, while I was rotoing people with after effects masks.
The problem is that when i animating mask path and TURN ON motion blur, it takes unwanted data from outer mask to generate motion blur.



I found a way to solve this by rendering masked footage without motion blur into a sequence (to cut unwanted data), then importing this sequence back to comp and forcing motion blur with Pixel Motion Blur Effect.
But i think this method is too laborious.

I'm wondering how you guys solving this kind of problems.
Thanks and sorry for bad English.


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John CuevasRe: Animating mask path with motion blur
by on Jan 21, 2015 at 7:16:17 pm

I wouldn't render the footage, I would put the masked in a precomp("shift+cntl+c") and add Pixel Motion Blur to the precomp. It will save you one render.

Johnny Cuevas, Editor
Thinkck.com

"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.


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ilya ksavRe: Animating mask path with motion blur
by on Jan 21, 2015 at 7:45:52 pm

Hey, thanks for reply. That was first thing i did. And it didnt work.


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John CuevasRe: Animating mask path with motion blur
by on Jan 22, 2015 at 12:54:37 am

Did you have "Move all attributes into the new composition" selected?

Johnny Cuevas, Editor
Thinkck.com

"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.


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ilya ksavRe: Animating mask path with motion blur
by on Jan 22, 2015 at 10:07:34 am

No, i didnt. And that was my mistake. It works good with precompose and setting this parameter. Thanks a lot!


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John CuevasRe: Animating mask path with motion blur
by on Jan 22, 2015 at 12:34:58 pm

It's a mistake I make once every other week. Glad I could help out.

Johnny Cuevas, Editor
Thinkck.com

"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.


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