GT tracks only. Polylines live in cam_0; in moving_camt mode they're transformed to cam_t each frame so they stay anchored in world coords as the camera pans. 14 unique val clips, sorted by max per-track motion (desc).
Animation
BG mode
BG alpha
Motion thr
Track color
N tracks
Trail style
sample 0009
max motion 24.1 cm
"A person is wrapping a plastic spoon and fork set in a paper napkin and then placing the wrapped set into a small plastic bag."