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Motion Tracking and Masking
Hi, I’ve motion tracked my footage so it appears a square is attached to the wall when the camera dolly moves over it.
But I want the square to be between my character and the wall, so the characters body obscures the square.
https://img30.imageshack.us/img30/5965/picture2gii.png
I tried duplicating the layer “Dickon Test 1” and creating a layer mask over his body but then the layer mask stays where it is. Can I apply the motion tracker data to the mask so I don’t have to keypoint it in myself?
Hope that made sense!
Thanks very much,
Gully
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2 Replies
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In the motion tracker, (before you apply the track) change the target to your shape layer.
– 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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Hi. Make a solid with the tracker data on it. Put the mask of the actor on that layer. The mask will move along with the tracker data. Put the actor layer directly below this layer and set the actor layer’s track matte to “Alpha Matte”. Now the actor is cut out of the background. Put the Square under this layer and then put the original footage under that.
Hope this helps
PeteRogue Keyframe
Feature Film Compositing
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