IFC 4.3.0.0 (IFC4X3) final

8.9.2.6 IfcCurveOnSurface

8.9.2.6.1 Semantic definition

The IfcCurveOnSurface enables the choice of curve types on parameteric surface.

8.9.2.6.2 Type values

Type
IfcCompositeCurveOnSurface
IfcPcurve
IfcSurfaceCurve
Table 8.9.2.6.A

8.9.2.6.3 Formal representation 

TYPE IfcCurveOnSurface = SELECT
	(IfcCompositeCurveOnSurface
	,IfcPcurve
	,IfcSurfaceCurve);
END_TYPE;

8.9.2.6.4 References