ENTITY IfcRationalBSplineCurveWithKnots

(* SCHEMA IFC4; *)

ENTITY IfcRationalBSplineCurveWithKnots
 SUBTYPE OF (IfcBSplineCurveWithKnots);
	WeightsData : LIST [2:?] OF IfcReal;
 DERIVE
	Weights : ARRAY [0:UpperIndexOnControlPoints] OF IfcReal := IfcListToArray(WeightsData,0,SELF\IfcBSplineCurve.UpperIndexOnControlPoints);
 WHERE
	SameNumOfWeightsAndPoints : SIZEOF(WeightsData) = SIZEOF(SELF\IfcBSplineCurve.ControlPointsList);
	WeightsGreaterZero : IfcCurveWeightsPositive(SELF);
END_ENTITY;

Explicit Attributes

Entity IfcRationalBSplineCurveWithKnots has the following local and inherited explicit attributes:
AttributeTypeDefined By
 DegreeIfcInteger (INTEGER)IfcBSplineCurve
 ControlPointsListLIST OF IfcCartesianPoint (ENTITY)IfcBSplineCurve
 CurveFormIfcBSplineCurveForm (ENUM)IfcBSplineCurve
 ClosedCurveIfcLogical (LOGICAL)IfcBSplineCurve
 SelfIntersectIfcLogical (LOGICAL)IfcBSplineCurve
 KnotMultiplicitiesLIST OF IfcInteger (INTEGER)IfcBSplineCurveWithKnots
 KnotsLIST OF IfcParameterValue (REAL)IfcBSplineCurveWithKnots
 KnotSpecIfcKnotType (ENUM)IfcBSplineCurveWithKnots
 WeightsDataLIST OF IfcReal (REAL)IfcRationalBSplineCurveWithKnots

Derived Attributes

Entity IfcRationalBSplineCurveWithKnots has the following local and inherited derived attributes:
AttributeTypeDefined By
 DimIfcDimensionCount (INTEGER)IfcCurve
 UpperIndexOnControlPointsIfcInteger (INTEGER)IfcBSplineCurve
 ControlPointsARRAY OF IfcCartesianPoint (ENTITY)IfcBSplineCurve
 UpperIndexOnKnotsIfcInteger (INTEGER)IfcBSplineCurveWithKnots
 WeightsARRAY OF IfcReal (REAL)IfcRationalBSplineCurveWithKnots

Inverse Attributes

Entity IfcRationalBSplineCurveWithKnots has the following local and inherited inverse attributes:
AttributeTypeDefined By
 LayerAssignmentSET OF IfcPresentationLayerAssignment (ENTITY)IfcRepresentationItem
 StyledByItemSET OF IfcStyledItem (ENTITY)IfcRepresentationItem

Supertypes

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

Subtypes

    No subtypes

Referenced By

Entity IfcRationalBSplineCurveWithKnots and its supertypes are referenced by the following definitions:
DefinitionTypeReferenced Entity
 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
 IfcBSplineCurve ENTITY IfcBSplineCurveWithKnots
 IfcBSplineCurveWithKnots ENTITY IfcRationalBSplineCurveWithKnots
 IfcBuild2Axes FUNCTION IfcRepresentationItem
 IfcBuild2Axes FUNCTION IfcGeometricRepresentationItem
 IfcBuildAxes FUNCTION IfcGeometricRepresentationItem
 IfcBuildAxes FUNCTION IfcRepresentationItem
 IfcCompositeCurveSegment ENTITY IfcCurve
 IfcConvertDirectionInto2D FUNCTION IfcRepresentationItem
 IfcConvertDirectionInto2D FUNCTION IfcGeometricRepresentationItem
 IfcCrossProduct FUNCTION IfcRepresentationItem
 IfcCrossProduct FUNCTION IfcGeometricRepresentationItem
 IfcCurve ENTITY IfcBoundedCurve
 IfcCurveBoundedPlane ENTITY IfcCurve
 IfcCurveDim FUNCTION IfcBSplineCurve
 IfcCurveDim FUNCTION IfcCurve
 IfcCurveOrEdgeCurve SELECT IfcBoundedCurve
 IfcCurveWeightsPositive FUNCTION IfcRationalBSplineCurveWithKnots
 IfcEdgeCurve ENTITY IfcCurve
 IfcExtrudedAreaSolid ENTITY IfcRepresentationItem
 IfcExtrudedAreaSolid ENTITY IfcGeometricRepresentationItem
 IfcFirstProjAxis FUNCTION IfcGeometricRepresentationItem
 IfcFirstProjAxis FUNCTION IfcRepresentationItem
 IfcFixedReferenceSweptAreaSolid ENTITY IfcCurve
 IfcGeometricRepresentationItem ENTITY IfcCurve
 IfcGeometricSetSelect SELECT IfcCurve
 IfcGridAxis ENTITY IfcCurve
 IfcLayeredItem SELECT IfcRepresentationItem
 IfcMirroredProfileDef ENTITY IfcGeometricRepresentationItem
 IfcMirroredProfileDef ENTITY IfcRepresentationItem
 IfcNormalise FUNCTION IfcRepresentationItem
 IfcNormalise FUNCTION IfcGeometricRepresentationItem
 IfcOffsetCurve2D ENTITY IfcCurve
 IfcOffsetCurve3D ENTITY IfcCurve
 IfcOrthogonalComplement FUNCTION IfcRepresentationItem
 IfcOrthogonalComplement FUNCTION IfcGeometricRepresentationItem
 IfcPcurve ENTITY IfcCurve
 IfcPointOnCurve ENTITY IfcCurve
 IfcPolygonalBoundedHalfSpace ENTITY IfcBoundedCurve
 IfcRationalBSplineCurveWithKnots ENTITY IfcBSplineCurve
 IfcRepresentation ENTITY IfcRepresentationItem
 IfcRepresentationItem ENTITY IfcGeometricRepresentationItem
 IfcRevolvedAreaSolid ENTITY IfcCurve
 IfcRevolvedAreaSolid ENTITY IfcGeometricRepresentationItem
 IfcRevolvedAreaSolid ENTITY IfcRepresentationItem
 IfcScalarTimesVector FUNCTION IfcRepresentationItem
 IfcScalarTimesVector FUNCTION IfcGeometricRepresentationItem
 IfcSecondProjAxis FUNCTION IfcRepresentationItem
 IfcSecondProjAxis FUNCTION IfcGeometricRepresentationItem
 IfcShapeRepresentationTypes FUNCTION IfcRepresentationItem
 IfcShapeRepresentationTypes FUNCTION IfcCurve
 IfcStyledItem ENTITY IfcRepresentationItem
 IfcSurfaceCurveSweptAreaSolid ENTITY IfcCurve
 IfcSurfaceOfLinearExtrusion ENTITY IfcRepresentationItem
 IfcSurfaceOfLinearExtrusion ENTITY IfcGeometricRepresentationItem
 IfcSurfaceOfRevolution ENTITY IfcCurve
 IfcSurfaceOfRevolution ENTITY IfcGeometricRepresentationItem
 IfcSurfaceOfRevolution ENTITY IfcRepresentationItem
 IfcSweptDiskSolid ENTITY IfcCurve
 IfcTopologyRepresentationTypes FUNCTION IfcRepresentationItem
 IfcTrimmedCurve ENTITY IfcCurve
 IfcVectorDifference FUNCTION IfcRepresentationItem
 IfcVectorDifference FUNCTION IfcGeometricRepresentationItem
 IfcVectorSum FUNCTION IfcGeometricRepresentationItem
 IfcVectorSum FUNCTION IfcRepresentationItem


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2016-06-01T11:21:46-04:00