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Reusing a Track Result
You can reuse an entire tracked plane or a single track.
Reusing a Tracked Plane
You can use a plane you’ve already tracked to analyze a larger plane situated on the same plane.
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Make sure you’re in the same frame as you used to draw the previous shape. |
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Draw a shape on the same plane as your previously tracked shape. Make sure the new shape is in the same PlanarTrackLayer as the first one in the stroke/shape list. |
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PlanarTracker has now placed your new roto shape on the same plane as the old one. If you now scrub in the timeline, you should find that your new shape sticks with the camera movement. The PT column icon is invisible by default for this new shape, and you should keep it like that if you don't want it to affect any re-track you might do later. |
Reusing a Single Track
You can also reuse your tracked points to verify that the overall results are sticking to your footage.
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Track a plane as described under Tracking a Plane, and adjust the results if necessary. |
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When you’re happy with the tracking results for that plane, you can drag a corner of your tracked shape and place it on a specific detail that may not be getting tracked correctly. Note that you're moving the roto shape locally, and not affecting the actual track results. This is different to manipulating the planar surface corners by clicking the Correct Plane button in the Viewer. |
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Scrub through the frames to see if the point stays on the detail as you expect. |
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If drifting occurs, drag the point to correct it. |