{ "_id": "6a2be9eb3efcd9bda42cf467", "Package": "sfcurve", "Type": "Package", "Title": "2x2, 3x3 and Nxn Space-Filling Curves", "Version": "1.0.1", "Date": "2024-09-10", "Authors@R": "person(\"Zuguang\", \"Gu\", email = \"z.gu@dkfz.de\", role = c(\"aut\", \"cre\"),\ncomment = c('ORCID'=\"0000-0002-7395-8709\"))", "VignetteBuilder": "knitr", "Description": "Implementation of all possible forms of 2x2 and 3x3\nspace-filling curves, i.e., the generalized forms of the\nHilbert curve ,\nthe Peano curve and\nthe Peano curve in the meander type (Figure 5 in\n). It can generates nxn curves\nexpanded from any specific level-1 units. It also implements\nthe H-curve and the three-dimensional Hilbert curve.", "URL": "https://github.com/jokergoo/sfcurve,\nhttps://jokergoo.github.io/sfcurve/", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.1", "Repository": "https://jokergoo.r-universe.dev", "Date/Publication": "2025-05-01 20:21:42 UTC", "RemoteUrl": "https://github.com/jokergoo/sfcurve", "RemoteRef": "HEAD", "RemoteSha": "4bbc3853643b924275109580b524f9a569d4e285", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-06-12 11:04:35 UTC", "User": "root" }, "Author": "Zuguang Gu [aut, cre] (ORCID: )", "Maintainer": "Zuguang Gu ", "MD5sum": "bd5a8d710085958f2ca9c901f23d5142", "_user": "jokergoo", "_type": "src", "_file": "sfcurve_1.0.1.tar.gz", "_fileid": "ce0a8032a8a1508184a1ca19439115967538b1da7e32f338d6ed02e8e6defc79", "_filesize": 272215, "_sha256": "ce0a8032a8a1508184a1ca19439115967538b1da7e32f338d6ed02e8e6defc79", "_created": 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"all_traverse_paths", "BASE_B", "BASE_C", "BASE_D", "BASE_I", "BASE_J", "BASE_L", "BASE_LIST", "BASE_P", "BASE_Q", "BASE_R", "BASE_U", "beta_omega_curve", "change_level1_unit_orientation", "draw_multiple_curves", "draw_rules_2x2", "draw_rules_3x3_combined", "draw_rules_3x3_meander", "draw_rules_3x3_peano", "draw_rules_4x4_meander", "expand_h", "get_one_traverse_path", "h_curve", "H0", "H1", "H2", "hilbert_3d", "hilbert_curve", "level1_unit_orientation", "mark_local_units", "meander_curve", "moore_curve", "peano_curve", "plot_segments", "plot_traverse_paths", "sfc_2x2", "sfc_3x3_combined", "sfc_3x3_meander", "sfc_3x3_peano", "sfc_4x4_meander", "sfc_apply", "sfc_base", "sfc_dflip", "sfc_expand", "sfc_expand_by_rules", "sfc_flip_unit", "sfc_generator", "sfc_grob", "sfc_h", "sfc_hflip", "sfc_index", "sfc_is_compatible", "sfc_level", "sfc_mode", "sfc_next_point", "sfc_previous_point", "sfc_reduce", "sfc_reverse", "sfc_rotate", "sfc_rules", "SFC_RULES_2x2", "SFC_RULES_3x3_COMBINED", "SFC_RULES_3x3_MEANDER", "SFC_RULES_3x3_PEANO", "SFC_RULES_4x4_MEANDER_1", "SFC_RULES_4x4_MEANDER_2", "sfc_seed", "sfc_segments", "sfc_sequence", "sfc_shape", "sfc_unit", "sfc_universe", "sfc_validate", "sfc_vflip", "show", "test_sfc_index", "unit_orientation" ], "_help": [ { "page": "sfc_index", "title": "Subunit in the curve", "topics": [ "sfc_index", "sfc_index,sfc_nxn-method", "test_sfc_index", "[.sfc_nxn" ] }, { "page": "utility", "title": "Utility functions", "topics": [ "c.sfc_sequence", "length.sfc_sequence", "[.sfc_sequence", "[<-.sfc_sequence" ] }, { "page": "traverse_path", "title": "All traverse paths of a sequence", "topics": [ "all_traverse_paths", "get_one_traverse_path", "plot_traverse_paths" ] }, { "page": "base_patterns", "title": "Base patterns", "topics": [ "BASE_B", "BASE_C", "BASE_D", "BASE_I", "BASE_J", "BASE_L", "BASE_LIST", "BASE_P", "BASE_Q", "BASE_R", "BASE_U" ] }, { "page": "draw_multiple_curves", "title": "Draw multiple curves", "topics": [ "draw_multiple_curves" ] }, { "page": "draw_rules", "title": "Draw the expansion rules", "topics": [ "draw_rules_2x2", "draw_rules_3x3_meander", "draw_rules_3x3_peano" ] }, { "page": "h_seed", "title": "Seed sequences of the H-curve", "topics": [ "H0", "H1", "H2" ] }, { "page": "hilbert_3d", "title": "Three dimensional Hilbert curve", "topics": [ "hilbert_3d" ] }, { "page": "standard_curve", "title": "Various curves in their standard forms", "topics": [ "beta_omega_curve", "hilbert_curve", "h_curve", "meander_curve", "moore_curve", "peano_curve" ] }, { "page": "level1_unit_orientation", "title": "Level-1 unit in the Peano curve and Meander curve", "topics": [ "change_level1_unit_orientation", "change_level1_unit_orientation,sfc_3x3_meander-method", "change_level1_unit_orientation,sfc_3x3_peano-method", "level1_unit_orientation", "level1_unit_orientation,sfc_3x3_meander-method", "level1_unit_orientation,sfc_3x3_peano-method" ] }, { "page": "plot_segments", "title": "Plot segments", "topics": [ "plot_segments" ] }, { "page": "spacefilling", "title": "Create space-filling curves", "topics": [ "sfc_2x2", "sfc_3x3_meander", "sfc_3x3_peano" ] }, { "page": "sfc_3x3_combined", "title": "General 3x3 space-filling curves", "topics": [ "draw_rules_3x3_combined", "sfc_3x3_combined", "sfc_expand,sfc_3x3_combined-method" ] }, { "page": "sfc_4x4_meander", "title": "4x4 space-filling curves in meander type", "topics": [ "draw_rules_4x4_meander", "sfc_4x4_meander", "sfc_expand,sfc_4x4_meander-method" ] }, { "page": "sfc_apply", "title": "Apply to every unit in the sfc_nxn curve", "topics": [ "sfc_apply", "sfc_apply,sfc_nxn-method" ] }, { "page": "sfc_base", "title": "Constructor of the sfc_base class", "topics": [ "sfc_base" ] }, { "page": "sfc_expand_by_rules", "title": "Expand a sequence", "topics": [ "sfc_expand_by_rules", "sfc_expand_by_rules,sfc_rules,character-method", "sfc_expand_by_rules,sfc_rules,factor-method", "sfc_expand_by_rules,sfc_rules,sfc_nxn-method" ] }, { "page": "sfc_expand", "title": "Expand the curve to the next level", "topics": [ "sfc_expand", "sfc_expand,sfc_2x2-method", "sfc_expand,sfc_3x3_meander-method", "sfc_expand,sfc_3x3_peano-method", "|.sfc_nxn" ] }, { "page": "sfc_generator", "title": "Generate a nxn curve based on expansion rules", "topics": [ "sfc_generator" ] }, { "page": "sfc_grob", "title": "The graphics object", "topics": [ "plot.grob_sfc_sequence", "plot.sfc_nxn", "plot.sfc_sequence", "sfc_grob", "sfc_grob,matrix-method", "sfc_grob,sfc_base-method", "sfc_grob,sfc_nxn-method", "sfc_grob,sfc_sequence-method" ] }, { "page": "h_curve", "title": "H-curve", "topics": [ "expand_h", "sfc_h" ] }, { "page": "sfc_is_compatible", "title": "Whether two sfc_sequence objects are compatible", "topics": [ "sfc_is_compatible", "sfc_is_compatible,sfc_rules,sfc_sequence-method", "sfc_is_compatible,sfc_sequence,sfc_rules-method", "sfc_is_compatible,sfc_sequence,sfc_sequence-method" ] }, { "page": "sfc_level", "title": "The level of the curve", "topics": [ "sfc_level", "sfc_level,sfc_nxn-method" ] }, { "page": "sfc_mode", "title": "The mode of the curve", "topics": [ "sfc_mode", "sfc_mode,sfc_nxn-method", "sfc_mode,sfc_rules-method" ] }, { "page": "sfc_previous_point", "title": "The previous and the next point", "topics": [ "sfc_next_point", "sfc_next_point,sfc_base-method", "sfc_previous_point", "sfc_previous_point,sfc_base-method" ] }, { "page": "sfc_reduce", "title": "Reduce a curve", "topics": [ "add_base_structure", "mark_local_units", "sfc_reduce", "sfc_reduce,matrix-method", "sfc_reduce,sfc_nxn-method" ] }, { "page": "sfc_transformation", "title": "Transformations of a sequence", "topics": [ "rev.sfc_sequence", "sfc_dflip", "sfc_dflip,sfc_sequence-method", "sfc_hflip", "sfc_hflip,sfc_sequence-method", "sfc_reverse", "sfc_reverse,sfc_sequence-method", "sfc_rotate", "sfc_rotate,sfc_sequence-method", "sfc_vflip", "sfc_vflip,sfc_sequence-method", "^.sfc_sequence" ] }, { "page": "sfc_rules", "title": "Constructor of the sfc_rules class", "topics": [ "sfc_rules" ] }, { "page": "pre_defined_rules", "title": "Rules", "topics": [ "SFC_RULES_2x2", "SFC_RULES_3x3_COMBINED", "SFC_RULES_3x3_MEANDER", "SFC_RULES_3x3_PEANO", "SFC_RULES_4x4_MEANDER_1", "SFC_RULES_4x4_MEANDER_2" ] }, { "page": "sfc_segments", "title": "Coordinates of the points on the curve", "topics": [ "sfc_segments", "sfc_segments,sfc_nxn-method", "sfc_segments,sfc_sequence-method" ] }, { "page": "sfc_sequence", "title": "Constructor of the sfc_sequence class", "topics": [ "sfc_seed", "sfc_sequence", "sfc_unit" ] }, { "page": "sfc_shape", "title": "Shape of the curve", "topics": [ "all_2x2_shapes", "all_3x3_meander_shapes", "all_3x3_peano_shapes", "sfc_shape", "sfc_shape,sfc_2x2-method", "sfc_shape,sfc_3x3_meander-method", "sfc_shape,sfc_3x3_peano-method" ] }, { "page": "sfc_universe", "title": "The universe base pattern set", "topics": [ "sfc_universe", "sfc_universe,sfc_rules-method", "sfc_universe,sfc_sequence-method" ] }, { "page": 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