Foreword
Introduction
1 Scope
2 Conformance
3 Normative references
4 Terms, definitions, symbols and abbreviated terms
5 Geometry packages
5.1 Class diagram
5.2 Omitted constructs
5.3 Classes retained without additional constraints
5.4 Concrete classes made abstract
5.5 Associations
5.6 GM_Position
5.7 GM_CurveSegment
5.8 GM_CurveInterpolation
5.9 GM_SurfaceInterpolation
5.10 GM_SurfacePatch
5.11 GM_Polygon
5.12 GM_CompositeCurve
6 Topology packages
Annex A (informative) - Supported specifications
Annex B (normative) - Abstract test suite
Annex C (informative) - Extending the core
Annex D (informative) - Examples
Bibliography