#### 8.5.2.1 IfcCurveOrEdgeCurve

IfcCurveOrEdgeCurve provides the option to either select a geometric curve (IfcCurve and subtypes) within a geometric model, or a curve with associated geometry and coordinates (Ifc EdgeCurve) within a topological model.

> HISTORY New select type in IFC2x3.

XSD Specification:

<xs:group name="IfcCurveOrEdgeCurve">
<xs:choice>
<xs:element ref="ifc:IfcBoundedCurve"/>
</xs:choice>
</xs:group>

EXPRESS Specification:

TYPE IfcCurveOrEdgeCurve = SELECT (
| IfcBoundedCurve);
END_TYPE;

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