More debug tuning
Updated videotracks for latest version of World/Person data structures
Combine close single-point classes with the adjacent one
Handle shadowed legs which are visible on both sides of blocker
Display only visible points as dots
Increased minVisibility
Reduce velocity damping to 0.95 (was 0.8)
Decreased maxtgtsep so that multiple targets don't end up combined
Increased maxrange to 6m (was 5m)
Modified ID color map
Enable debug within tracks
Handle classes that need multiple splits
Modified ID color map in visplot.m
Plot total speed instead of heading
Modified velocity calculations
Fixed position calculation for shadowed points (was broken)
Handle circmodel with one visible point; handle points averaged with adjacent target
Added debug message.
Consider objects outside -pi/2,pi/2 as shadowed
Check adjacent background points to determine if point is in bg