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Prevent AE Objects from Moving

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Anton Reed
Prevent AE Objects from Moving
on Jun 30, 2010 at 8:58:06 pm

Hi all,

I just had a quick question about preventing objects from moving in After Effects. It's probably a very easy question but I can't seem to find the specific answer to my question.

I'm wondering how I would prevent an object (let's say an image of a bullet hole) from moving as the video the image is in pans or moves for whatever reason? Is there an easy way to lock the position of the object even though the video moves?

Thank you very much for any help.



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Michael Szalapski
Re: Prevent AE Objects from Moving
on Jun 30, 2010 at 9:32:24 pm

Welcome to the world of motion tracking.

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.


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Anton Reed
Re: Prevent AE Objects from Moving
on Jun 30, 2010 at 9:34:20 pm

Ah, indeed. I for some reason had my thinking backwards. Thanks for that.



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Dave LaRonde
Re: Prevent AE Objects from Moving
on Jun 30, 2010 at 9:36:44 pm

I think what you're actually asking is this:

A video layer contains a pan shot of... oh, let's say a house. You want to put a number on the house: 123. You carefully position the number where it should be, next to the door. But wait, the camera's panning! How do you move the number so it stays in that same position next to the door and apparently attached right to the house?

You're talkin' Motion Tracking!

It gets pretty involved, so you might want to read up on it:
http://help.adobe.com/en_US/AfterEffects/9.0/WS3878526689cb91655866c1103906...

You also might want to look at the tutorials on Videocopilot.net:
http://www.videocopilot.net/basic/

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Anton Reed
Re: Prevent AE Objects from Moving
on Jun 30, 2010 at 9:51:55 pm

Perfect. Thanks very much.



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