Struct TrackInfo 

pub struct TrackInfo {
    pub uuid: Uuid,
    pub tracked_location: [f32; 4],
    pub count: i32,
    pub created: u64,
    pub last_updated: u64,
}

Per-track metadata returned by Tracker::update and Tracker::get_active_tracks.

Every active track carries a stable Uuid assigned at track creation and preserved until the track is deleted. Callers can use the UUID to correlate tracks across frames or to drive per-track rendering (e.g. per-UUID colour assignment in ColorMode::Track).

Timestamps

created and last_updated store the raw timestamp argument passed to Tracker::update at the corresponding event. The tracker does not interpret these values — they are caller-supplied nanoseconds in typical usage, but any monotonically increasing unit works.

Fields

uuid: Uuid

Globally unique identifier for this track, assigned when the tracklet is first created and never reused.

tracked_location: [f32; 4]

Kalman-smoothed predicted location of the object in XYXY format [xmin, ymin, xmax, ymax]. This is the predicted position for the current frame, not the raw detection box — it may differ from the detection that triggered the update. For the raw detection see ActiveTrackInfo::last_box.

count: i32

Number of times this track has been matched to a detection. Starts at 1 on the frame the track is created. Useful as a confidence signal — tracks with a low count are newly created and may be false positives.

created: u64

Timestamp (as supplied to Tracker::update) of the frame on which this track was first created.

last_updated: u64

Timestamp of the most recent Tracker::update call that matched a detection to this track. Tracklets whose last_updated is older than now - extra_lifespan are deleted on the next update.

Trait Implementations

impl Clone for TrackInfo

fn clone(&self) -> TrackInfo

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for TrackInfo

impl Debug for TrackInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for TrackInfo

fn eq(&self, other: &TrackInfo) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for TrackInfo