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Motion Tracking trouble
Hey guys,
I’m just getting started into After Effects CS3 and am having the most difficult time figuring out Motion Tracking. I can get the clip tracked, but I cannot get anything to actually match the footage. Take this clip for example:
https://www.youtube.com/watch?v=1SGRtXM9Nyo
What I want to do is throw a blood splatter on the left side wall. I have the footage tracked, but the blood splatter plugin doesn’t conform to the wall. It “somewhat tracks,” but doesn’t stick to the wall the way I’d like. Any helps for a hopeless noob?
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1 Reply
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[Foy Watson] “I’m just getting started into After Effects CS3 and am having the most difficult time figuring out Motion Tracking. I can get the clip tracked, but I cannot get anything to actually match the footage… What I want to do is throw a blood splatter on the left side wall. I have the footage tracked, but the blood splatter plugin doesn’t conform to the wall. It “somewhat tracks,” but doesn’t stick to the wall the way I’d like. Any helps for a hopeless noob?”
AE’s built-in tracker is a pixel (or point) tracker; starting with CS4, mocha-AE, a planar tracker, is included in the AE bundle. What’s the difference? Because planar trackers track a plane in 2D space, you can follow the change in perspective through the camera move — like the wall in the shot you shared.
Motion-tracking this shot would have been a lot easier with markers on the wall in the original shot.
Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
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