Occluded or Off-Image Trackers

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‌Occluded or Off-Image Trackers

If an actor or other object permanently obscures a tracker, turn off its enable button, disabling it for the rest of the shot, or until you re-enable it. Trackers will turn off automatically at the edge of the image; turn them back on if the image feature re- appears. (If the shot has a non-image border, use the region-of-interest on the Image Preprocessor panel so that trackers will turn off at the right location.)

When a tracker has become lost or disabled, its search box will continued to be displayed for several more frames (default:10) so that you may re-position and re- enable the tracker if the feature re-appears. You can control the number of frames a tracker remains visible using the Stay Alive value on the preferences panel. If the value is zero, the search box will never be removed. Too many lingering search boxes will clutter up the display!

If the tracker has been lost/disabled for long enough that its search box has been hidden, hold down the 'Z' key and click the new location to reenable and place the tracker. (This is Z-drop, see also Z-drop-lock.) You can also just drag in the tracker's mini-view and it will reactivate.

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