ISO 13584-31:1999

INTERNATIONAL ISO
STANDARD 13584-31
First edition
1999-12-15
Industrial automation systems and
integration — Parts library —
Part 31:
Implementation resources: Geometric
programming interface
Systèmes d'automatisation industrielle et intégration — Bibliothèque
de composants —
Partie 31: Ressources de mise en application: Interface de programmation
géométrique
Reference number
©
ISO 1999
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ii © ISO 1999 – All rights reserved

ISO/FDIS 13584-31:1999(E)
© ISO 1999 – All rights reserved ii-1

ISO 13584-31: 1999(E) ã ISO
Contents Page
1 SCOPE AND FIELD OF APPLICATION . 1
2 NORMATIVE REFERENCES. 1
3 TERMS, DEFINITIONS AND ABBREVIATIONS. 2
3.1 Terms defined in ISO 13584-10. 2
3.2 Other terms and definitions. 3
3.3 Abbreviations . 3
4 FUNDAMENTAL CONCEPTS. 4
4.1 Requirement for parametrics capabilities. 4
4.2 Exchange format for parametric shape description . 4
4.3 Internal representation of the data created in the receiving CAD system. 4
4.4 Library supplier and LMS user responsibility. . 5
4.5 Compatibility . 5
4.6 Geometry representation accuracy . 5
5 INTERFACE PRESENTATION . 7
5.1 Specification and conformance. 7
5.1.1 Allowed levels of implementation . 7
5.1.2 Simulation of missing entities . 7
5.2 Interface tables. 7
5.3 Creation of product model data. 8
5.3.1 Reference coordinate system of a view (OVC) . 8
5.3.2 Geometrical units in the OVC . 9
5.3.3 Content of a view . 9
5.3.4 Temporary database. 9
5.3.5 Hidden line removal process .10
5.3.6 The representation process .11
5.4 Entities structure.12
5.4.1 Group structure in the TDB.12
5.4.2 Structure of the entities sent to the CAD system.13
5.5 Geometrical or structured entity name .13
5.6 Coordinate system and transformation.13
5.7 Interface error state .14
5.8 Error handling.14
5.8.1 Error handling methodology.14
5.8.2 Error messages .15
6 LOGICAL MODEL OF THE TARGET MODELLING SYSTEM .18
6.1 Geometric representation item.18
6.1.1 api_abstract_schema.20
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ã ISO ISO 13584-31: 1999(E)
6.1.1.1 API_ABSTRACT_SCHEMA constant definition: Geometry representation accuracy.20
6.1.2 API_ABSTRACT_SCHEMA type definition : Fundamentals of product description and support .21
6.1.2.1 Identifier.21
6.1.2.2 Label .21
6.1.2.3 Text.21
6.1.2.4 Length_measure.22
6.1.2.5 Plane_angle_measure.22
6.1.2.6 Positive_length_measure .22
6.1.2.7 Positive_plane_angle_measure.22
6.1.2.8 Parameter_value.23
6.1.2.9 Message.23
6.1.2.10 Reference.23
6.1.3 API_ABSTRACT_SCHEMA type definition : Geometric and topological representations .23
6.1.3.1 Dimension_count.23
6.1.3.2 Transition_code.24
6.1.3.3 Preferred_surface_curve_representation.24
6.1.3.4 Trimming_preference .25
6.1.3.5 Axis2_placement.25
6.1.3.6 Curve_on_surface .25
6.1.3.7 Pcurve_or_surface .26
6.1.3.8 Trimming_select.26
6.1.3.9 Vector_or_direction .26
6.1.4 API_ABSTRACT_SCHEMA type definition: Geometry models .26
6.1.4.1 Boolean_operand .26
6.1.4.2 Boolean_operator.27
6.1.4.3 Csg_primitive .27
6.1.4.4 Csg_select .27
6.1.4.5 Geometric_set_select.28
6.1.5 API_ABSTRACT_SCHEMA type definition: api specific types for structuring.28
6.1.5.1 Api_grouped_item .28
6.1.5.2 Api_set_item .28
6.1.6 API_ABSTRACT_SCHEMA entities definition : Fundamentals of product description
and support .29
6.1.6.1 Shape_representation .29
6.1.6.2 Group.29
6.1.6.3 Group_assignment .30
6.1.6.4 External_source .30
6.1.6.5 Pre_defined_item .30
6.1.6.6 Externally_defined_item.31
6.1.7 API_ABSTRACT_SCHEMA entity definition: Representation structures .31
6.1.7.1 Representation_context.31
6.1.7.2 Representation_item .32
6.1.7.3 Representation .32
6.1.7.4 Representation_map .34
6.1.7.5 Mapped_item .34
6.1.8 API_ABSTRACT_SCHEMA entity definition: Geometric representation structures .35
6.1.8.1 Geometric_representation_context.35
6.1.8.2 Geometric_representation_item.35
6.1.9 API_ABSTRACT_SCHEMA entity definition: Geometric mathematical entities.37
6.1.9.1 Point.37
6.1.9.2 Cartesian_point .37
6.1.9.3 Direction.38
6.1.9.4 Vector .38
6.1.9.5 Placement.39
6.1.9.6 Axis1_placement.40
6.1.9.7 Axis2_placement_2d .40
6.1.9.8 Axis2_placement_3d .41
6.1.10 API_ABSTRACT_SCHEMA entity definition: Geometric curves entities.43
6.1.10.1 Curve .43
6.1.10.2 Line .43
6.1.10.3 Bounded_curve .44
6.1.10.4 Trimmed_curve .45
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ISO 13584-31: 1999(E) ã ISO
6.1.10.5 Composite_curve.47
6.1.10.6 Composite_curve_segment .48
6.1.10.7 Surface_curve .49
6.1.10.8 Composite_curve_on_surface .51
6.1.10.9 Bounded_surface_curve .52
6.1.11 API_ABSTRACT_SCHEMA entity definition: Geometric conic entities.52
6.1.11.1 Conic.52
6.1.11.2 Circle.53
6.1.11.3 Ellipse .54
6.1.11.4 Hyperbola.56
6.1.11.5 Parabola.57
6.1.12 API_ABSTRACT_SCHEMA entity definition: api specific basic curves .59
6.1.12.1 Api_line .59
6.1.12.2 Api_circular_arc.60
6.1.13 API_ABSTRACT_SCHEMA entity definition: api specific conic arcs .60
6.1.13.1 Api_elliptical_arc .61
6.1.13.2 Api_hyperbolic_arc .62
6.1.13.3 Api_parabolic_arc.62
6.1.14 API_ABSTRACT_SCHEMA entity definition: curve entities .63
6.1.14.1 Polyline .63
6.1.14.2 Api_contour .64
6.1.15 API_ABSTRACT_SCHEMA entity definition: fill area.66
6.1.15.1 Annotation_fill_area.67
6.1.16 API_ABSTRACT_SCHEMA entity definition : Geometric surface entities .69
6.1.16.1 Surface.69
6.1.16.2 Elementary surface.69
6.1.16.3 Plane.70
6.1.16.4 Bounded_surface.70
6.1.16.5 Curve_bounded_surface.71
6.1.16.6 Boundary_curve .72
6.1.16.7 Outer_boundary_curve .73
6.1.17 API_ABSTRACT_SCHEMA entity definition : api specific surface entities .73
6.1.17.1 Api_planar_surface.73
6.1.18 API_ABSTRACT_SCHEMA entity definition : Geometric solid entities.75
6.1.18.1 Solid_model .75
6.1.18.2 Csg_solid.75
6.1.18.3 Boolean_result.76
6.1.18.4 Csg_primitive .76
6.1.18.4.1 Sphere.77
6.1.18.4.2 Right_circular_cone.77
6.1.18.4.3 Right_circular_cylinder .78
6.1.18.4.4 Torus.78
6.1.18.4.5 Block .79
6.1.18.4.6 Right_angular_wedge .79
6.1.18.5 Swept_area_solid .80
6.1.18.6 Extruded_area_solid.81
6.1.18.7 Revolved_area_solid .81
6.1.18.8 Half_space_solid .83
6.1.19 API_ABSTRACT_SCHEMA entity definition : api specific entities for structuring .83
6.1.19.1 Api_group.83
6.1.19.2 Api_group_assignment .84
6.1.19.3 Api_set .84
6.1.19.4 Api_set_assignment.85
6.2 Visual appearance of geometric representation items.85
6.2.1 API_ABSTRACT_SCHEMA type definition : Visual presentation .86
6.2.1.1 Presentation_style_select.86
6.2.1.2 Null_style .86
6.2.1.3 Size_select.87
6.2.1.4 Curve_font_or_scaled_curve_font_select.87
6.2.1.5 Curve_style_font_select .87
6.2.1.6 Fill_style_select.88
6.2.2 API_ABSTRACT_SCHEMA type definition : api specific types for visual presentation.88
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ã ISO ISO 13584-31: 1999(E)
6.2.2.1 Virtual_height_ratio .88
6.2.3 API_ABSTRACT_SCHEMA entities definition : Visual presentation.88
6.2.3.1 Styled_item .88
6.2.3.2 Presentation_style_assignment .89
6.2.3.3 Externally_defined_style.90
6.2.3.4 Curve_style .90
6.2.3.5 Fill_area_style.91
6.2.3.6 Fill_area_style_hatching.92
6.2.3.7 One_direction_repeat_factor .93
6.2.3.8 Colour .94
6.2.3.9 Pre_defined_size.94
6.2.3.10 Pre_defined_curve_font.94
6.2.3.11 Pre_defined_colour.95
6.2.3.12 Annotation_occurrence .95
6.2.3.13 Annotation_fill_area_occurrence.96
6.2.4 API_ABSTRACT_SCHEMA entities definition : externally-defined styles for visual
presentation.96
6.2.4.1 Api_externally_defined_point_style .97
6.2.4.2 Api_externally_defined_curve_style .98
6.2.4.3 Api_externally_defined_fill_area_style.99
6.2.4.4 Api_externally_defined_surface_style.99
6.2.5 API_ABSTRACT_SCHEMA entities definition : pre-defined styles for visual presentation .100
6.2.5.1 Api_pre_defined_hatch_width.100
6.2.5.2 Api_pre_defined_hatch_curve_font .101
6.2.5.3 Api_pre_defined_hatch_colour .101
6.2.5.4 Api_pre_defined_occlusion_style.102
6.2.5.5 Api_pre_defined_virtually_sent_style.103
6.3 API_ABSTRACT_SCHEMA function definition .103
6.3.1 API_ABSTRACT_SCHEMA function definition : Geometric and topological representations .103
6.3.1.1 Dimension_of .103
6.3.1.2 Associated_surface .104
6.3.1.3 Base_axis.104
6.3.1.4 Build_2axes.105
6.3.1.5 Build_axes .106
6.3.1.6 Orthogonal_complement .106
6.3.1.7 First_proj_axis.107
6.3.1.8 Second_proj_axis.108
6.3.1.9 Cross_product .108
6.3.1.10 Dot_product.109
6.3.1.11 Normalise .110
6.3.1.12 Scalar_times_vector.111
6.3.1.13 Vector_sum .112
6.3.1.14 Vector_difference .113
6.3.1.15 Constraints_composite_curve_on_surface.114
6.3.1.16 Get_basis_surface.115
6.3.1.17 List_to_array.116
6.3.1.18 Make_array_of_array.116
6.3.2 API_ABSTRACT_SCHEMA function definition: Support resources.117
6.3.2.1 Bag_to_set .117
6.3.3 API_ABSTRACT_SCHEMA function definition: Representation structures .118
6.3.3.1 Acyclic_mapped_representation.118
6.3.3.2 Item_in_context.119
6.3.3.3 Using_representations.120
6.3.4 API_ABSTRACT_SCHEMA function definition: api specific functions.121
6.3.4.1 Tree_api_group_structure.121
6.3.4.1.1 Assigned_api_group.123
6.3.4.2 Tree_api_set_structure.123
6.3.4.2.1 Assigned_api_set .124
6.3.4.3 Api_legal_style_number .125
6.4 API_ABSTRACT_SCHEMA global rules.127
6.4.1 Unique_shape_representation .127
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ISO 13584-31: 1999(E) ã ISO
7 INTERFACE FUNCTIONAL SPECIFICATION.127
7.1 Notational conventions .127
7.1.1 Function representation .127
7.1.2 Data type representation.129
7.1.3 Entity names and abbreviations.129
7.1.4 Function names.130
7.2 Logical description of the interface functions and FORTRAN binding.131
8 INTERFACE TABLES.131
8.1 Interface description table.131
8.2 Interface status table .131
9 DIMENSIONS OF INTERFACE IMPLEMENTATION .132
9.1 Minimal dimensions of the different interface buffers and structured data types.132
ANNEX A (NORMATIVE) LOGICAL DESCRIPTION OF THE INTERFACE FUNCTIONS AND FORTRAN
BINDINGS.133
ANNEX B (NORMATIVE) INFORMATION OBJECT REGISTRATION.325
Bibliography.326
Index.327
Figures
Figure 1 — Absolute coordinate system of a part (parts supplier defined) . 9
Figure 2 — Geometric representation items defined in the interface .18
Figure 3 — Axis2 placement 3D.43
Figure 4 — Composite curve .48
Figure 5 — Circle.54
Figure 6 — Ellipse .55
Figure 7 — Hyperbola.57
Figure 8 — Parabola.58
Figure 9 — Filling of annotation fill areas.68
Figure 10 — Curve bounded surface.72
Figure 11 — Right_angular_wedge and its attributes.80
Figure 12 — Revolved area solid.82
Figure 13 — Fill area style hatching.92
Figure 14 — One direction repeat factor .94
Figure A. 1 — Function: Dir_2_Pnt .152
Figure A. 2 — Function: Dir_2_Dir_Angle .154
Figure A. 3 — Function: A1p_Gen .157
Figure A. 4 — Function: A1p_Pnt.159
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ã ISO ISO 13584-31: 1999(E)
Figure A. 5 — Function: A2p_3_Pnt.161
Figure A. 6 — Function: A2p_2_Dir (in a 3D view) .163
Figure A. 7 — Function: A2p_2_Dir (in a 2D view) .164
Figure A. 8 — Function: A2p_2_Dir_Xy.165
Figure A. 9 — Function: Pnt_Cartesian_Relative .170
Figure A. 10 — Function: Pnt_Polar_Relative.173
Figure A. 11 — Function: Pnt_Cylinder_Relative .175
Figure A. 12 — Function: Pnt_Intersection_2_Ent (in a 3D-view) .179
Figure A. 13 — Function: Pnt_Tangential_Arc .181
Figure A. 14 — Function: Pnt_Projection_Ent .184
Figure A. 15 — Function: Pnt_Projection_A2p .186
Figure A. 16 — Function: Lin_2_Pnt .188
Figure A. 17 — Function: Lin_Pnt_Length_Dir .189
Figure A. 18 — Function: Lin_Tangential_Arc.191
Figure A. 19 — Function: Lin_Tangential_2_Arc .193
Figure A. 20 — Function: Lin_Chamfer_2_Lin.195
Figure A. 21 — Function: Circle_Rad_A2p.197
Figure A. 22 — Function: Arc_3_Pnt (in a 3D view) .199
Figure A. 23 — Function: Arc_3_Pnt (in a 2D view) .199
Figure A. 24 — Function: Arc_Rad_2_Angle_A2p.201
Figure A. 25 — Function: Arc_Rad_3_Pnt.204
Figure A. 26 — Function: Arc_Rad_2_Pnt_A2p .206
Figure A. 27 — Function: Arc_Fillet_2_Ent (lin/lin).209
Figure A. 28 — Function: Arc_Fillet_2_Ent (arc/arc) .210
Figure A. 29 — Function: Arc_Tangential_2_Ent.213
Figure A. 30 — Function: Arc_Rad_2_Ent.217
Figure A. 31 — Function: Arc_3_Ent.221
Figure A. 32 — Function: Ellipse_2_Diameter_A2p.223
Figure A. 33 — Function: Elc_Gen.225
Figure A. 34 — Function: Hyp_Gen .227
Figure A. 35 — Function: Par_Gen .229
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ISO 13584-31: 1999(E) ã ISO
Figure A. 36 — Function: Fsh_Gen.236
Figure A. 37 — Function: Hatch_Afa.237
Figure A. 38 — Function: Sph_Gen .240
Figure A. 39 — Function: Con_Gen .242
Figure A. 40 — Function: Cyl_Gen .243
Figure A. 41 — Function: Tor_Gen .245
Figure A. 42 — Function: Blk_Gen.246
Figure A. 43 — Function: Wdg_Gen .248
Figure A. 44 — Function: Union_Sld.249
Figure A. 45 — Function: Intersection_Sld .251
Figure A. 46 — Function: Difference_Sld.252
Figure A. 47 — Function: Sld_Extrusion .254
Figure A. 48 — Function: Sld_Revolution .255
Figure A. 49 — Function: Sld_Pipe .258
Figure A. 50 — Function: Mirror_Ent (3D view).267
Figure A. 51 — Function: Mirror_Ent (2D view).267
Figure A. 52 — Function: Dup_Mirror_Ent .269
Figure A. 53 — Function: Chg_Orientation_Ent .276
Figure A. 54 — Function: Chg_Sense_Ent.277
Figure A. 55 — Function: Homotetia_Ent.278
Figure A. 56 — Function: Start_Angle_Arc.289
Figure A. 57 — Function: End_Angle_Arc.290
Figure A. 58 — Function: Ref_Sys_3_Pnt (3D view) .292
Figure A. 59 — Function: Ref_Sys_
...