BS ISO 10303-42:1994

1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
    3.1 Definitions
    3.2 Symbols
    3.3 Abbreviations
4 Geometry
    4.1 Introduction
    4.2 Fundamental concepts and assumptions
    4.3 geometry schema type definitions
    4.4 geometry schema entity definitions
    4.5 geometry schema rule definitions
    4.6 geometry schema function definitions
5 Topology
    5.1 Introduction
    5.2 Fundamental concepts and assumptions
    5.3 topology schema type definitions
    5.4 topology schema entity definitions
    5.5 topology schema function definitions
6 Geometric models
    6.1 Introduction
    6.2 Fundamental concepts and assumptions
    6.3 geometric model schema type definitions
    6.4 geometric model schema entity definitions
    6.5 geometric model schema function definitions
Annexes
A Short names of entities
B Information object registration
C Computer interpretable listings
D EXPRESS-G diagrams
E Bibliography
Index
Figures
1 Axis2 placement 3D
2 (a) Cartesian transformation operator 3D
2 (b) Cartesian transformation operator 3D
2 (C) Cartesian transformation operator
3 Circle
4 Ellipse
5 Hyperbola
6 Parabola
7 B-spline curve
8 Composite curve
9 Conical surface
10 Curve bounded surface
11 Edged curve
12 Right angular wedge and its attributes
13 Revolved face solid
D.1 geometry schema EXPRESS-G diagram 1 of 12 -
    Subtypes of geometric representation item
D.2 geometry schema EXPRESS-G diagram 2 of 12 -
    Placement and transformation sub-types
D.3 geometry schema EXPRESS-G diagram 3 of 12 -
    Sub-types of point
D.4 geometry schema EXPRESS-G diagram 4 of 12 -
    Sub-types of curve
D.5 geometry schema EXPRESS-G diagram 5 of 12 -
    Sub-types of surface
D.6 geometry schema EXPRESS-G diagram 6 of 12 -
    Sub-types of conic
D.7 geometry schema EXPRESS-G diagram 7 of 12 -
    Surface curve
D.8 geometry schema EXPRESS-G diagram 8 of 12 -
    Bounded curves
D.9 geometry schema EXPRESS-G diagram 9 of 12 -
    B-spline curve
D.10 geometry schema EXPRESS-G diagram 10 of 12 -
     Elementary surface
D.11 geometry schema EXPRESS-G diagram 11 of 12 -
     Subtypes of bounded surface
D.12 geometry schema EXPRESS-G diagram 12 of 12 -
     B-spline surface
D.13 topology schema EXPRESS-G diagram 1 of 3 -
     Subtypes of topological representation item
D.14 topology schema EXPRESS-G diagram 2 of 3
D.15 topology schema EXPRESS-G diagram 3 of 3
D.16 geometric model schema EXPRESS-G diagram 1 of 3 -
     Subtypes of solid model
D.17 geometric model schema EXPRESS-G diagram 2 of 3 -
     CSG solid
D.18 geometric model schema EXPRESS-G diagram 3 of 3 -
     Models of external shape
Tables
1 Geometry mathematical symbology
2 Topology Symbol Definitions
A.1 Short names of entities

Specifies the resource constructs for the explicit geometric and topological representation of the shape of a product.