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To a Specific Area
To add trackers in a particular area of the scene, open the camera view, and go to a frame that makes the region needing frames clearly visible. Lasso the region of interest—it does not matter if there are any trackers there already or not. The lassoed region will be saved. (Fine point: the frame number is also saved, so it does not matter if you change frames afterwards.)
Open the Add Many trackers dialog, and turn on the Only within last Lasso checkbox. The only trackers selected will be those where the 3-D point falls within the (2-D) lassoed area, on the frame at which the lasso occurred.
With this option, SynthEyes specifically ensures that the new trackers are evenly distributed within the lassoed area (in 2-D). This can make it worthwhile to lasso a large area rather than giving no lasso area at all, if the new trackers would otherwise be clustered too close together.
©2024 Boris FX, Inc. — UNOFFICIAL — Converted from original PDF.