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NOTE Make sure this button is turned off if you just want to step through the
movie without tracking, such as when browsing through the movie to find and
place Start and Stop frames for trackers that come on screen or go off screen
during the tracking range.
Clear Tracking to End Removes all tracked positions and keyframes from the
current stepper frame onward for the currently selected tracker. This is often
helpful if you have too many errors and error correcting keyframes at the end
of a track and you want to clear them and track to the end again.
Step Keyframes Modifies the operations of the single-step buttons in the
Movie Stepper. If turned on, the single step buttons step immediately to the
next or previous keyframes, allowing you to browse through them quickly.
In this mode, feature tracking is disabled.
Show Track Displays a visible tracking line in the Movie window for the
currently selected tracker. This button shows where the tracker has currently
tracked. A red line is displayed for tracked segments, a white dashed line for
segments still to be tracked. White dots are centered on each frame position
with a green box around each frame position at which you or the tracker
create keyframes.
Live Camera Match Enabled after you set up the match parameters and select
a match camera in the Match rollout. If turned on, the match camera position
is recomputed and adjusted as you move gizmos in the Movie window. This
can be useful for making corrections to bad match frames by adjusting the
trackers or to check the effect of tracker placement on the match computations.
This is best done with the nudge arrows. Turn on the 3ds Max Auto Key button
to record adjusted match camera positions.
Sync Animation Controls whether the scene time slider is advanced in step
with the movie frames during stepping. This is sometimes useful if you have
the movie set up as an animated background image in the match camera
window. Check camera positioning at the same time you check feature
positioning. This can slow stepping substantially, so it’s turned off by default.
Camera Tracker: Error Thresholds Rollout
Utilities panel > Utilities rollout > More button > Utilities dialog > Camera
Tracker > Error Thresholds rollout
The Camera Tracker utility's Error Thresholds rollout attempts to identify
feature tracking errors by taking measurements and comparing them to the
thresholds that you set up in this rollout. You can use this detection can be
Camera Tracker Utility | 3837