void update_track_icon(R2C2::Track3D &);
void selection_changed();
void manipulation_status(const std::string &);
void manipulation_done(bool);
void measure_changed();
void measure_done();
void update_track_icon(R2C2::Track3D &);
void selection_changed();
void manipulation_status(const std::string &);
void manipulation_done(bool);
void measure_changed();
void measure_done();