static void set_stemlens (Grob *);
static int get_beam_count (Grob *me);
static Real get_beam_translation (Grob *me);
static Real get_thickness (Grob *me);
static void connect_beams (Grob *me);
static vector<Beam_segment> get_beam_segments (Grob *me_grob, Grob **common);
static void set_stemlens (Grob *);
static int get_beam_count (Grob *me);
static Real get_beam_translation (Grob *me);
static Real get_thickness (Grob *me);
static void connect_beams (Grob *me);
static vector<Beam_segment> get_beam_segments (Grob *me_grob, Grob **common);