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3d text & motion tracking & mysterious twist

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Jonny Webb
3d text & motion tracking & mysterious twist
on Dec 22, 2011 at 6:21:30 pm

what am i missing ? my text twists as movie plays.

I have a simple movie with a little panning.

Created NullObject, did MotionTracking with 2 points, applied.

In photoshop i made a TEXT and applied Repousse.
Imported into AE, copied Controller & PSD into main comp.
Parented controller to NullObject

All Good. My 3d text sticks to the point i want. cool.

But on my second clip i've turned the TEXT to stick it to a wall in the clip. And as the clip plays the text appears to turn a bit more one way and then another...

Sorry if its not clear, i dont have anything to post to illustrate at the mo...
And what's really annoying is i did all this last year and got it working perfectly. the text stuck to the wall (of the alley scene) as the cameraman panned and walked.

Please any suggestions.


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Brandon Fenty
Re: 3d text & motion tracking & mysterious twist
on Dec 23, 2011 at 6:11:26 am

do you have the track set to track scale/rotation, or just position?


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Jonny Webb
Re: 3d text & motion tracking & mysterious twist
on Dec 23, 2011 at 7:35:36 am

scale and position.

For the 4 seconds or so of clip i want the text to appear in, the cameraman does not move his feet. Just a little panning.
But thanks for the idea...

I've just redone my tracking with all 3: scale, position, & rotation. Now the text also jerks away from the camera after 2 seconds. (it moves further into the shot).
And it still twists about.


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Jonny Webb
Re: 3d text & motion tracking & mysterious twist
on Dec 23, 2011 at 12:07:15 pm

I've been trying every setting possible, reading every website i can find, and i'm still not getting it.

My tracking seems ok. (pos,rot,scale, type=transform)

Clicking reset on (psd) controller makes the text appear off to the right and 30degs to the horizontal - and it works just fine. It stays stuck to a point in the movie, while the movie pans etc...

But as soon as i try to place this text where i want it (and rotate it appropriately), using psd-controller transform settings, it stops behaving well and starts rotating oddly when movie plays...

Please help...


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