IfcAssociatedSurface

BACnet MVD

#### IfcAssociatedSurface

Natural language names

##### Semantic definitions at the function

Function Definition

> NOTE Definition according to ISO/CD 10303-42:1992
> The associated surface function determines the unique surface which is associated with the pcurve. It is required by the propositions which apply to surface curve and its subtypes.

> NOTE Function adapted from associated_surface defined in ISO 10303-42.

> HISTORY New function in IFC4 Addendum 2

##### Formal representations

EXPRESS Specification
`

FUNCTION IfcAssociatedSurface
(Arg : IfcPcurve) : IfcSurface;
LOCAL
Surf : IfcSurface;
END_LOCAL;
Surf := Arg\IfcPcurve.BasisSurface;
RETURN(Surf);
END_FUNCTION;

`

References: IfcIntersectionCurve IfcSeamCurve

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