ISO 10303-111:2007

INTERNATIONAL ISO
STANDARD 10303-111
First edition
2007-05-15
Industrial automation systems and
integration — Product data
representation and exchange —
Part 111:
Integrated application resource: Elements
for the procedural modelling of solid
shapes
Systèmes d'automatisation industrielle et intégration — Représentation
et échange de données de produits —
Partie 111: Ressources d'application intégrée: Éléments pour la
modélisation procédurale des formes solides

Reference number
©
ISO 2007
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Contents Page
1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Normative references . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 Terms, definitions and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3.1 Terms defined in ISO 10303-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3.2 Terms defined in ISO 10303-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.3 Terms defined in ISO 10303-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.4 Terms defined in ISO 10303-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.5 Terms defined in ISO 10303-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.6 Terms defined in ISO 10303-108 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.7 Other terms and definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.8 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 Solid shape element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4.2 Fundamental concepts and assumptions . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.3 Solid shape element type definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3.1 base solid select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3.2 blend end condition select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.3.3 generalized surface select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.3.4 trim condition select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.3.5 blend radius variation type . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.3.6 trim intent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.4 Solid shape element entity definitions . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.4.1 modified solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.4.2 edge blended solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.4.3 track blended solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.4.4 track blended solid with end conditions . . . . . . . . . . . . . . . . . . . . . 13
4.4.5 solid with constant radius edge blend . . . . . . . . . . . . . . . . . . . . . . 15
4.4.6 solid with variable radius edge blend . . . . . . . . . . . . . . . . . . . . . . . 17
4.4.7 solid with chamfered edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.4.8 solid with single offset chamfer . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.4.9 solid with double offset chamfer . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.4.10 solid with angle based chamfer . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.4.11 surfaced open shell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.4.12 sculptured solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.4.13 sculptured solid with selection . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.4.14 offset face solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.4.15 shelled solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.4.16 double offset shelled solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.4.17 complex shelled solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.4.18 modified solid with placed configuration . . . . . . . . . . . . . . . . . . . . . 31
4.4.19 solid with depression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.4.20 solid with through depression . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.4.21 solid with hole . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.4.22 solid with stepped round hole . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.4.23 conical stepped hole transition . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.4.24 solid with stepped round hole and conical transitions . . . . . . . . . . . . . . 37
4.4.25 solid with flat bottom round hole . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.4.26 solid with spherical bottom round hole . . . . . . . . . . . . . . . . . . . . . . 39
4.4.27 solid with conical bottom round hole . . . . . . . . . . . . . . . . . . . . . . . 40
4.4.28 solid with pocket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.4.29 solid with rectangular pocket . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.4.30 solid with circular pocket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.4.31 solid with general pocket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.4.32 solid with slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.4.33 solid with straight slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4.4.34 solid with curved slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
4.4.35 solid with trapezoidal section slot . . . . . . . . . . . . . . . . . . . . . . . . . 49
4.4.36 solid with tee section slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
4.4.37 solid with groove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4.4.38 solid with protrusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.4.39 solid with circular protrusion . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.4.40 solid with rectangular protrusion . . . . . . . . . . . . . . . . . . . . . . . . . 55
4.4.41 solid with general protrusion . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4.4.42 solid with shape element pattern . . . . . . . . . . . . . . . . . . . . . . . . . 56
4.4.43 solid with circular pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
4.4.44 solid with rectangular pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
4.4.45 solid with incomplete circular pattern . . . . . . . . . . . . . . . . . . . . . . 60
4.4.46 solid with incomplete rectangular pattern . . . . . . . . . . . . . . . . . . . . . 61
4.4.47 thickened face solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4.4.48 extruded face solid with trim conditions . . . . . . . . . . . . . . . . . . . . . 64
4.4.49 extruded face solid with draft angle . . . . . . . . . . . . . . . . . . . . . . . 67
4.4.50 extruded face solid with multiple draft angles . . . . . . . . . . . . . . . . . . 67
4.4.51 revolved face solid with trim conditions . . . . . . . . . . . . . . . . . . . . . 68
4.4.52 auxiliary geometric instance aggregator . . . . . . . . . . . . . . . . . . . . . 70
4.5 Solid shape element function definitions . . . . . . . . . . . . . . . . . . . . . . . . . 71
4.5.1 check continuous edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
4.5.2 compute total depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4.5.3 validate countersink radii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Annex A (normative) Short names of entities . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Annex B (normative) Information object registration . . . . . . . . . . . . . . . . . . . . . 77
B.1 Document identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
B.2 Schema identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Annex C (informative) Computer interpretable listings . . . . . . . . . . . . . . . . . . . . . 78
Annex D (informative) EXPRESS-G diagrams . . . . . . . . . . . . . . . . . . . . . . . . . 79
Annex E (informative) Justification of the modelling approaches taken in this part of ISO 10303 91
E.1 Representation of constructional operations . . . . . . . . . . . . . . . . . . . . . . . 91
E.2 Representation of local shape configurations . . . . . . . . . . . . . . . . . . . . . . . 92
Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
iv © ISO 2007 – All rights reserved

Figures
Figure 1 Schema level diagram of relationships between the solid - shape element schema
of this part of ISO 10303 and other resource schemas . . . . . . . . . . . . . . . . . . . . viii
Figure 2 L-section block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 3 L-section block of Figure 2 with constant radius edge blend . . . . . . . . . . . . . 16
Figure 4 A track blended solid with a constant radius edge blend . . . . . . . . . . . . . . . 17
Figure 5 L-section block of Figure 2 with variable radius edge blend . . . . . . . . . . . . . 19
Figure 6 A track blended solid with end conditions for which the blend radius is variable . . 19
Figure 7 Solid with double offset chamfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 8 Solid with angle based chamfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 9 Solid and generalized surface defining a sculptured solid . . . . . . . . . . . . . . . 26
Figure 10 The sculptured solid after the partitioning operation . . . . . . . . . . . . . . . . . 26
Figure 11 Offset face solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 12 Shelled solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 13 Cross-section of solid with stepped round hole . . . . . . . . . . . . . . . . . . . . 36
Figure 14 Cross-section of solid with stepped round hole and conical transitions . . . . . . . . 38
Figure 15 Bottom conditions for blind round holes . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 16 Solid with rectangular pocket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 17 Solid with straight slot, having two closed ends . . . . . . . . . . . . . . . . . . . 48
Figure 18 Straight slot with multiple entries and exits from part material . . . . . . . . . . . . 48
Figure 19 Trapezoidal and T slot sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 20 Solid with groove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 21 The effect of radial alignment in solid with circular pattern . . . . . . . . . . . . . 58
Figure 22 Solid with rectangular pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Figure 23 Solid with incomplete circular pattern . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 24 Solid with incomplete rectangular pattern . . . . . . . . . . . . . . . . . . . . . . . 62
Figure 25 Thickened face solid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Figure 26 Extruded face solid with draft angle . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Figure D.1 solid shape element schema – EXPRESS-G diagram 1 of 11 . . . . . . . . . . . . 80
Figure D.2 solid shape element schema – EXPRESS-G diagram 2 of 11 . . . . . . . . . . . . 81
Figure D.3 solid shape element schema – EXPRESS-G diagram 3 of 11 . . . . . . . . . . . . 82
Figure D.4 solid shape element schema – EXPRESS-G diagram 4 of 11 . . . . . . . . . . . . 83
Figure D.5 solid shape element schema – EXPRESS-G diagram 5 of 11 . . . . . . . . . . . . 84
Figure D.6 solid shape element schema – EXPRESS-G diagram 6 of 11 . . . . . . . . . . . . 85
Figure D.7 solid shape element schema – EXPRESS-G diagram 7 of 11 . . . . . . . . . . . . 86
Figure D.8 solid shape element schema – EXPRESS-G diagram 8 of 11 . . . . . . . . . . . . 87
Figure D.9 solid shape element schema – EXPRESS-G diagram 9 of 11 . . . . . . . . . . . . 88
Figure D.10 solid shape element schema – EXPRESS-G diagram 10 of 11 . . . . . . . . . . . 89
Figure D.11 solid shape element schema – EXPRESS-G diagram 11 of 11 . . . . . . . . . . . 90
Tables
A.1 Short names of entities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member
...