BASE_I                  Base patterns
H0                      Seed sequences of the H-curve
SFC_RULES_2x2           Rules
[.sfc_nxn               Subunit in the curve
[.sfc_sequence          Utility functions
all_traverse_paths      All traverse paths of a sequence
draw_multiple_curves    Draw multiple curves
draw_rules_2x2          Draw the expansion rules
hilbert_3d              Three dimensional Hilbert curve
hilbert_curve           Various curves in their standard forms
level1_unit_orientation,sfc_3x3_peano-method
                        Level-1 unit in the Peano curve and Meander
                        curve
plot_segments           Plot segments
sfc_2x2                 Create space-filling curves
sfc_3x3_combined        General 3x3 space-filling curves
sfc_4x4_meander         4x4 space-filling curves in meander type
sfc_apply,sfc_nxn-method
                        Apply to every unit in the sfc_nxn curve
sfc_base                Constructor of the sfc_base class
sfc_expand,sfc_2x2-method
                        Expand the curve to the next level
sfc_expand_by_rules,sfc_rules,sfc_nxn-method
                        Expand a sequence
sfc_generator           Generate a nxn curve based on expansion rules
sfc_grob,sfc_base-method
                        The graphics object
sfc_h                   H-curve
sfc_is_compatible,sfc_sequence,sfc_sequence-method
                        Whether two sfc_sequence objects are compatible
sfc_level,sfc_nxn-method
                        The level of the curve
sfc_mode,sfc_nxn-method
                        The mode of the curve
sfc_previous_point,sfc_base-method
                        The previous and the next point
sfc_reduce,sfc_nxn-method
                        Reduce a curve
sfc_rotate,sfc_sequence-method
                        Transformations of a sequence
sfc_rules               Constructor of the sfc_rules class
sfc_segments,sfc_nxn-method
                        Coordinates of the points on the curve
sfc_sequence            Constructor of the sfc_sequence class
sfc_shape,sfc_2x2-method
                        Shape of the curve
sfc_universe,sfc_rules-method
                        The universe base pattern set
sfc_validate,sfc_sequence-method
                        Validate the sequence
show,sfc_base-method    Print the object
unit_orientation        Flip units
