unsigned get_sensor_id() const { return sensor_id; }
void set_active_path(unsigned);
unsigned get_active_path() const { return active_path; }
unsigned get_sensor_id() const { return sensor_id; }
void set_active_path(unsigned);
unsigned get_active_path() const { return active_path; }
Track *get_link(unsigned) const;
TrackPoint get_point(unsigned, unsigned, float) const;
TrackPoint get_point(unsigned, float) const;
Track *get_link(unsigned) const;
TrackPoint get_point(unsigned, unsigned, float) const;
TrackPoint get_point(unsigned, float) const;