9

Camera Tracker: Position Data Rollout 679
Inter face
Complet e Tr acking—Searches for unknown
positions in enabled trackers and undertakes
tracking for those frames. It per forms this
optimally, and only tracks the frames for which
enabled trackers have no position data.
Track in g Status group
Check Sta tus—Scans for tr acking errors and
untracked f rames. It displays two lines of
information underneath it in the Status box:
Incomplete—Lists the tracker numbers with
untracked fr ames in their active frame ranges.
Err ors—Lists the tracker numbers containing one
or more tracking errors as determined by the
current error threshold settings.
Tracking Error Revie w group
Displaysallthepotentialerrorsinalist.Foreach
error the list shows a tr acker number, error frame
and details about the error. The details include
acodeidentifyingthethresholdsandtheerror
measure.
Error Codes
Me—Match error threshold exceeded.
Vd—Color variance delta threshold exceeded.
Jd—Jump delta threshold exceeded.
In each case, the number following the co de is the
actual error measure. You can see how the error
measure compares to the cu rrent thresholds in
the Error Thresholds rollout. If you adjust the
thresholds in this rollout and then rerun the Check
Status again, the list is refilled with those points
in the tr acking that exceed the newly adjusted
thresholds.
Nex t—Moves to the next error in the list.
Cle ar —Clears an entry out of the list.
Came ra Tracker: P osition Data
Rollout
Utilities panel > Utilities rollout > More button > Utilities
dialog > Camera Tracker > Position Data rollout
Interfa ce
Apply to group
Contains three radio buttons that control which
trackers w ill be operated on by the action buttons
below it.
Selected Track er—Operates on the currently
selected tracker.