ENTITY IfcBSplineSurface

(* SCHEMA IFC4; *)

ENTITY IfcBSplineSurface
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcBSplineSurfaceWithKnots))
 SUBTYPE OF (IfcBoundedSurface);
	UDegree : IfcInteger;
	VDegree : IfcInteger;
	ControlPointsList : LIST [2:?] OF LIST [2:?] OF IfcCartesianPoint;
	SurfaceForm : IfcBSplineSurfaceForm;
	UClosed : IfcLogical;
	VClosed : IfcLogical;
	SelfIntersect : IfcLogical;
 DERIVE
	 UUpper : IfcInteger := SIZEOF(ControlPointsList) - 1;
	 VUpper : IfcInteger := SIZEOF(ControlPointsList[1]) - 1;
	 ControlPoints : ARRAY [0:UUpper] OF ARRAY [0:VUpper] OF IfcCartesianPoint := IfcMakeArrayOfArray(ControlPointsList,
0,UUpper,0,VUpper);
END_ENTITY;

Explicit Attributes

Entity IfcBSplineSurface has the following local and inherited explicit attributes:

Attribute	Type	Defined By
UDegree	IfcInteger (INTEGER)	IfcBSplineSurface
VDegree	IfcInteger (INTEGER)	IfcBSplineSurface
ControlPointsList	LIST OF LIST OF IfcCartesianPoint (ENTITY)	IfcBSplineSurface
SurfaceForm	IfcBSplineSurfaceForm (ENUM)	IfcBSplineSurface
UClosed	IfcLogical (LOGICAL)	IfcBSplineSurface
VClosed	IfcLogical (LOGICAL)	IfcBSplineSurface
SelfIntersect	IfcLogical (LOGICAL)	IfcBSplineSurface

Derived Attributes

Entity IfcBSplineSurface has the following local and inherited derived attributes:

Attribute	Type	Defined By
Dim	IfcDimensionCount (INTEGER)	IfcSurface
UUpper	IfcInteger (INTEGER)	IfcBSplineSurface
VUpper	IfcInteger (INTEGER)	IfcBSplineSurface
ControlPoints	ARRAY OF ARRAY OF IfcCartesianPoint (ENTITY)	IfcBSplineSurface

Inverse Attributes

Entity IfcBSplineSurface has the following local and inherited inverse attributes:

Attribute	Type	Defined By
LayerAssignment	SET OF IfcPresentationLayerAssignment (ENTITY)	IfcRepresentationItem
StyledByItem	SET OF IfcStyledItem (ENTITY)	IfcRepresentationItem

Supertypes

Entity IfcBSplineSurface inherits from the following supertypes:
  IfcRepresentationItem
    IfcGeometricRepresentationItem
      IfcSurface
        IfcBoundedSurface

Subtypes

Entity IfcBSplineSurface has the following subtypes:
IfcBSplineSurfaceWithKnots*
IfcRationalBSplineSurfaceWithKnots
* - Immediate Subtypes

Referenced By

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

Definition	Type	Referenced Entity
IfcAssociatedSurface	FUNCTION	IfcSurface
IfcAxis1Placement	ENTITY	IfcGeometricRepresentationItem
IfcAxis1Placement	ENTITY	IfcRepresentationItem
IfcBaseAxis	FUNCTION	IfcRepresentationItem
IfcBaseAxis	FUNCTION	IfcGeometricRepresentationItem
IfcBoundedSurface	ENTITY	IfcBSplineSurface
IfcBSplineSurfaceWithKnots	ENTITY	IfcBSplineSurface
IfcBuild2Axes	FUNCTION	IfcGeometricRepresentationItem
IfcBuild2Axes	FUNCTION	IfcRepresentationItem
IfcBuildAxes	FUNCTION	IfcGeometricRepresentationItem
IfcBuildAxes	FUNCTION	IfcRepresentationItem
IfcCompositeCurveOnSurface	ENTITY	IfcSurface
IfcConvertDirectionInto2D	FUNCTION	IfcGeometricRepresentationItem
IfcConvertDirectionInto2D	FUNCTION	IfcRepresentationItem
IfcCrossProduct	FUNCTION	IfcGeometricRepresentationItem
IfcCrossProduct	FUNCTION	IfcRepresentationItem
IfcCurveBoundedSurface	ENTITY	IfcSurface
IfcExtrudedAreaSolid	ENTITY	IfcRepresentationItem
IfcExtrudedAreaSolid	ENTITY	IfcGeometricRepresentationItem
IfcFaceSurface	ENTITY	IfcSurface
IfcFirstProjAxis	FUNCTION	IfcGeometricRepresentationItem
IfcFirstProjAxis	FUNCTION	IfcRepresentationItem
IfcGeometricRepresentationItem	ENTITY	IfcSurface
IfcGeometricSetSelect	SELECT	IfcSurface
IfcGetBasisSurface	FUNCTION	IfcSurface
IfcHalfSpaceSolid	ENTITY	IfcSurface
IfcLayeredItem	SELECT	IfcRepresentationItem
IfcMirroredProfileDef	ENTITY	IfcGeometricRepresentationItem
IfcMirroredProfileDef	ENTITY	IfcRepresentationItem
IfcNormalise	FUNCTION	IfcRepresentationItem
IfcNormalise	FUNCTION	IfcGeometricRepresentationItem
IfcOrthogonalComplement	FUNCTION	IfcRepresentationItem
IfcOrthogonalComplement	FUNCTION	IfcGeometricRepresentationItem
IfcPcurve	ENTITY	IfcSurface
IfcPointOnSurface	ENTITY	IfcSurface
IfcRationalBSplineSurfaceWithKnots	ENTITY	IfcBSplineSurface
IfcRectangularTrimmedSurface	ENTITY	IfcSurface
IfcRepresentation	ENTITY	IfcRepresentationItem
IfcRepresentationItem	ENTITY	IfcGeometricRepresentationItem
IfcRevolvedAreaSolid	ENTITY	IfcGeometricRepresentationItem
IfcRevolvedAreaSolid	ENTITY	IfcRepresentationItem
IfcScalarTimesVector	FUNCTION	IfcGeometricRepresentationItem
IfcScalarTimesVector	FUNCTION	IfcRepresentationItem
IfcSecondProjAxis	FUNCTION	IfcRepresentationItem
IfcSecondProjAxis	FUNCTION	IfcGeometricRepresentationItem
IfcShapeRepresentationTypes	FUNCTION	IfcSurface
IfcShapeRepresentationTypes	FUNCTION	IfcRepresentationItem
IfcStyledItem	ENTITY	IfcRepresentationItem
IfcSurface	ENTITY	IfcBoundedSurface
IfcSurfaceCurve	ENTITY	IfcSurface
IfcSurfaceCurveSweptAreaSolid	ENTITY	IfcSurface
IfcSurfaceOfLinearExtrusion	ENTITY	IfcRepresentationItem
IfcSurfaceOfLinearExtrusion	ENTITY	IfcGeometricRepresentationItem
IfcSurfaceOfRevolution	ENTITY	IfcGeometricRepresentationItem
IfcSurfaceOfRevolution	ENTITY	IfcRepresentationItem
IfcSurfaceOrFaceSurface	SELECT	IfcSurface
IfcSurfaceWeightsPositive	FUNCTION	IfcBSplineSurface
IfcTopologyRepresentationTypes	FUNCTION	IfcRepresentationItem
IfcVectorDifference	FUNCTION	IfcGeometricRepresentationItem
IfcVectorDifference	FUNCTION	IfcRepresentationItem
IfcVectorSum	FUNCTION	IfcGeometricRepresentationItem
IfcVectorSum	FUNCTION	IfcRepresentationItem

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2024-07-11T21:39:04-04:00