grouping_p_ = new Beaming_info_list;
beam_start_moment_ = now_mom ();
beam_start_location_ = *unsmob_moment (get_property ("measurePosition"));
grouping_p_ = new Beaming_info_list;
beam_start_moment_ = now_mom ();
beam_start_location_ = *unsmob_moment (get_property ("measurePosition"));