ISO 10303-112:2006

INTERNATIONAL ISO
STANDARD 10303-112
First edition
2006-12-15
Industrial automation systems and
integration — Product data
representation and exchange —
Part 112:
Integrated application resource:
Modelling commands for the exchange of
procedurally represented 2D CAD models
Systèmes d'automatisation industrielle et intégration — Représentation
et échange de données de produits —
Partie 112: Ressources d'application intégrée: Commandes de
modélisation pour l'échange de modèles 2D CAD représentés en
modes opératoires
Reference number
©
ISO 2006
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ii © ISO 2006 – All rights reserved

Contents Page
1 Scope. 1

2 Normative references. 1

3 Terms, definitions, and abbreviations. 2

3.1 Terms defined in ISO 10303-1 . 2
3.2 Terms defined in ISO 10303-11 . 2

3.3 Terms defined in ISO 10303-55 . 2
3.4 Terms defined in ISO 10303-108 . 2

3.5 Other terms and definitions . 3

3.6 Abbreviations . 3

4 Procedural sketch. 3
4.1 Introduction . 3

4.2 Fundamental concepts and assumptions. 4
4.2.1 Identification of selected entities. 4

4.2.2 Representation of construction history. 4
4.2.3 Representation of explicit constraints in a 2D sketch. 5

4.3 Procedural sketch type definitions. 5
4.3.1 polygon_circle_type . 5
4.3.2 circle_or_circular_arc. 5

4.3.3 line_or_trimmed_line . 6
4.3.4 rotation_direction . 6

4.3.5 ps_sketch_element_select. 6
4.4 procedural_sketch entity definitions. 7

4.4.1 sketch_command . 7
4.4.2 sketch_create_curve_element. 7

4.4.3 create_line_segment . 7
4.4.4 create_line_segment_2_points. 8
4.4.5 create_line_segment_point_tangent . 8

4.4.6 create_line_segment_2_tangents . 9
4.4.7 create_centreline. 10

4.4.8 create_polyline . 11
4.4.9 create_rectangle. 11

4.4.10 create_polygon . 12
4.4.11 create_circular_arc. 13

4.4.12 create_circular_arc_concentric. 13
4.4.13 create_circular_arc_3_tangents . 14

4.4.14 create_circular_arc_centre_ends. 16

4.4.15 create_circular_arc_start_centre_angle . 17
4.4.16 create_circular_arc_start_centre_length. 18

4.4.17 create_circular_arc_start_end_angle . 19
4.4.18 create_circular_arc_start_end_direction. 19

4.4.19 create_circular_arc_start_end_radius . 20
4.4.20 create_circular_arc_3_points. 20

4.4.21 create_circular_arc_angles . 21
4.4.22 create_circle. 22

4.4.23 create_circle_centre_point. 23

4.4.24 create_circle_concentric . 23
4.4.25 create_circle_3_tangents . 24
4.4.26 create_circle_2_points. 25
4.4.27 create_circle_3_points. 26

4.4.28 create_ellipse . 27
4.4.29 create_ellipse_3_points . 27

4.4.30 create_ellipse_centre_point . 28
4.4.31 create_spline. 29

4.4.32 create_parabolic_arc. 30
4.4.33 create_fillet . 31

4.4.34 create_chamfer. 32
4.4.35 create_divided_curve. 34

4.4.36 sketch_operate_transform. 35

4.4.37 sketch_transform_translate. 36
4.4.38 sketch_transform_rotate . 36

4.4.39 sketch_transform_mirror . 37
4.4.40 sketch_transform_scale . 38

4.4.41 sketch_create_pattern_element. 39
4.4.42 create_pattern_rectangular. 39

4.4.43 create_pattern_circular . 40
4.5 procedural_sketch function definitions . 42

4.5.1 distance_between_cartesian_points. 42
4.5.2 non_collinear_2d_points . 42
4.5.3 midpoint. 43

4.5.4 distinct_points. 43
4.5.5 circular_type. 44

4.5.6 linear_type . 44
4.5.7 centre_of_circle_or_circular_arc. 45

4.5.8 have_pattern_elements_in_geometric_curve_set . 45
4.5.9 three_distinct_points. 45

Annex A (normative) Short names of entities. 47

Annex B (normative) Information object registration. 49
B.1 Document identification . 49

B.2 Schema identification . 49

Annex C (informative) Computer interpretable listings. 50

Annex D (informative) EXPRESS-G diagrams . 51

Annex E (informative) Example of intended usage of this part of ISO 10303 . 68

E.1 Example. 68

Index. 70

Figures
Figure 1 — Schema level diagram of relationships between the ISO 10303-112 schemas and other
resource schemas . vii

Figure 2 — create_line_segment_2_points. 8

Figure 3 — create_centreline . 10
Figure 4 — create_polyline. 11

Figure 5 — create_rectangle . 12
Figure 6 — create_circular_arc_concentric . 14

Figure 7 — create_circular_arc_3_tangents. 16
Figure 8 — create_circular_arc_centre_ends. 17

Figure 9 — create_circular_arc_start_centre_angle. 18
iv © ISO 2006 – All rights reserved

Figure 10 — create_circular_arc_3_points . 21
Figure 11 — create_circular_arc_angles. 22

Figure 12 — create_circle_centre_point .
...