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Mocha Pro, locking a track?

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Philippe Gosselin
Mocha Pro, locking a track?
on Apr 23, 2018 at 10:12:22 am

Hi,

Very simple question. I am tracking a person and in the shot there is a long stretch where that person doesn't move. Another person passes by in the foreground but my subject remain still. How do I lock the track so that it doesn't start tracking the foreground person and remain on the still subject? Tried Ctrl+T (lock tangents) but that doesn't do anything.

Thanks


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Martin Brennand
Re: Mocha Pro, locking a track?
on Apr 23, 2018 at 12:48:14 pm

Simply mask out the foreground person. Mocha assumes anything above your layer in the layer stack is in the foreground and anything below is in the background.

We recently did a video on this exact topic:






Martin Brennand | Product Manager | mocha - Imagineer Systems


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Philippe Gosselin
Re: Mocha Pro, locking a track?
on Apr 23, 2018 at 1:58:13 pm

Hi Martin,

Thanks for the tip, what I am doing closely ressemble the full occlusion example towards the end of the tutorial. So I guess switching to manual tracking is the way to go then. Is the mode switching global or is part of a new keyframe once I switch to it, and then once the occlusion has passed switching back to tracking will drop another keyframe?


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