ENTITY IfcBSplineCurve

(* SCHEMA IFC2X2_FINAL; *)

ENTITY IfcBSplineCurve
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcBezierCurve))
 SUBTYPE OF (IfcBoundedCurve);
	Degree : INTEGER;
	ControlPointsList : LIST [2:?] OF IfcCartesianPoint;
	CurveForm : IfcBSplineCurveForm;
	ClosedCurve : LOGICAL;
	SelfIntersect : LOGICAL;
 DERIVE
	ControlPoints : ARRAY [0:255] OF IfcCartesianPoint := IfcListToArray(ControlPointsList,0,UpperIndexOnControlPoints);
	UpperIndexOnControlPoints : INTEGER := (SIZEOF(ControlPointsList) - 1);
 WHERE
	WR41 : SIZEOF(QUERY(Temp <* ControlPointsList |
               Temp.Dim <> ControlPointsList[1].Dim))
             = 0;
END_ENTITY;

Explicit Attributes

Entity IfcBSplineCurve has the following local and inherited explicit attributes:

Attribute	Type	Defined By
Degree	INTEGER	IfcBSplineCurve
ControlPointsList	LIST OF IfcCartesianPoint (ENTITY)	IfcBSplineCurve
CurveForm	IfcBSplineCurveForm (ENUM)	IfcBSplineCurve
ClosedCurve	LOGICAL	IfcBSplineCurve
SelfIntersect	LOGICAL	IfcBSplineCurve

Derived Attributes

Entity IfcBSplineCurve has the following local and inherited derived attributes:

Attribute	Type	Defined By
Dim	IfcDimensionCount (INTEGER)	IfcCurve
ControlPoints	ARRAY OF IfcCartesianPoint (ENTITY)	IfcBSplineCurve
UpperIndexOnControlPoints	INTEGER	IfcBSplineCurve

Inverse Attributes

No Inverse Attributes

Supertypes

Entity IfcBSplineCurve inherits from the following supertypes:
  IfcRepresentationItem
    IfcGeometricRepresentationItem
      IfcCurve
        IfcBoundedCurve

Subtypes

Entity IfcBSplineCurve has the following subtypes:
IfcBezierCurve*
IfcRationalBezierCurve
* - Immediate Subtypes

Referenced By

Entity IfcBSplineCurve and its supertypes are referenced by the following definitions:

Definition	Type	Referenced Entity
Ifc2DCompositeCurve	ENTITY	IfcCurve
IfcAnnotationFillArea	ENTITY	IfcCurve
IfcArbitraryClosedProfileDef	ENTITY	IfcCurve
IfcArbitraryOpenProfileDef	ENTITY	IfcBoundedCurve
IfcArbitraryProfileDefWithVoids	ENTITY	IfcCurve
IfcAxis1Placement	ENTITY	IfcRepresentationItem
IfcAxis1Placement	ENTITY	IfcGeometricRepresentationItem
IfcBaseAxis	FUNCTION	IfcGeometricRepresentationItem
IfcBaseAxis	FUNCTION	IfcRepresentationItem
IfcBoundedCurve	ENTITY	IfcBSplineCurve
IfcBuild2Axes	FUNCTION	IfcGeometricRepresentationItem
IfcBuild2Axes	FUNCTION	IfcRepresentationItem
IfcBuildAxes	FUNCTION	IfcRepresentationItem
IfcBuildAxes	FUNCTION	IfcGeometricRepresentationItem
IfcCompositeCurveSegment	ENTITY	IfcCurve
IfcConnectionCurveGeometry	ENTITY	IfcBoundedCurve
IfcCrossProduct	FUNCTION	IfcRepresentationItem
IfcCrossProduct	FUNCTION	IfcGeometricRepresentationItem
IfcCurve	ENTITY	IfcBoundedCurve
IfcCurveBoundedPlane	ENTITY	IfcCurve
IfcCurveDim	FUNCTION	IfcCurve
IfcEdgeCurve	ENTITY	IfcCurve
IfcExtrudedAreaSolid	ENTITY	IfcRepresentationItem
IfcExtrudedAreaSolid	ENTITY	IfcGeometricRepresentationItem
IfcFirstProjAxis	FUNCTION	IfcRepresentationItem
IfcFirstProjAxis	FUNCTION	IfcGeometricRepresentationItem
IfcGeometricRepresentationItem	ENTITY	IfcCurve
IfcGeometricSetSelect	SELECT	IfcCurve
IfcGridAxis	ENTITY	IfcCurve
IfcLayeredItem	SELECT	IfcRepresentationItem
IfcNormalise	FUNCTION	IfcRepresentationItem
IfcNormalise	FUNCTION	IfcGeometricRepresentationItem
IfcOffsetCurve2D	ENTITY	IfcCurve
IfcOffsetCurve3D	ENTITY	IfcCurve
IfcOrthogonalComplement	FUNCTION	IfcGeometricRepresentationItem
IfcOrthogonalComplement	FUNCTION	IfcRepresentationItem
IfcPointOnCurve	ENTITY	IfcCurve
IfcRationalBezierCurve	ENTITY	IfcBSplineCurve
IfcRepresentation	ENTITY	IfcRepresentationItem
IfcRepresentationItem	ENTITY	IfcGeometricRepresentationItem
IfcRevolvedAreaSolid	ENTITY	IfcGeometricRepresentationItem
IfcRevolvedAreaSolid	ENTITY	IfcCurve
IfcRevolvedAreaSolid	ENTITY	IfcRepresentationItem
IfcScalarTimesVector	FUNCTION	IfcRepresentationItem
IfcScalarTimesVector	FUNCTION	IfcGeometricRepresentationItem
IfcSecondProjAxis	FUNCTION	IfcRepresentationItem
IfcSecondProjAxis	FUNCTION	IfcGeometricRepresentationItem
IfcShapeRepresentationTypes	FUNCTION	IfcRepresentationItem
IfcStyledItem	ENTITY	IfcRepresentationItem
IfcSurfaceCurveSweptAreaSolid	ENTITY	IfcCurve
IfcSurfaceOfLinearExtrusion	ENTITY	IfcRepresentationItem
IfcSurfaceOfLinearExtrusion	ENTITY	IfcGeometricRepresentationItem
IfcSurfaceOfRevolution	ENTITY	IfcGeometricRepresentationItem
IfcSurfaceOfRevolution	ENTITY	IfcCurve
IfcSurfaceOfRevolution	ENTITY	IfcRepresentationItem
IfcSweptDiskSolid	ENTITY	IfcCurve
IfcTopologyRepresentationTypes	FUNCTION	IfcRepresentationItem
IfcTrimmedCurve	ENTITY	IfcCurve
IfcVectorDifference	FUNCTION	IfcGeometricRepresentationItem
IfcVectorDifference	FUNCTION	IfcRepresentationItem
IfcVectorSum	FUNCTION	IfcRepresentationItem
IfcVectorSum	FUNCTION	IfcGeometricRepresentationItem

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2012-03-27T17:20:55-04:00