4.8.2.4.1 Surface BSpline Geometry

This reference surface may be used for determining elevations used to construct geometry.

Figure 67 illustrates an instance diagram.

Surface BSpline GeometryIfcElementIfcProductDefinitionShapeIfcShapeRepresentationIfcGeometricRepresentationContextIfcLabelIfcLabelIfcRationalBSplineSurfaceWithKnotsIfcIntegerIfcIntegerIfcCartesianPointIfcBSplineSurfaceFormIfcLogicalIfcLogicalIfcLogicalIfcIntegerIfcIntegerIfcParameterValueIfcParameterValueIfcKnotTypeIfcReal

Figure 67 — Surface BSpline Geometry

Bridge View

Entity
IfcAlignment-
-		 O
O		 -
-		 -
-

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