IFC 4.3.0.0 (IFC4X3) final

4.9.1.3.4 Type Body CSG Geometry

The following diagram shows the generic classes and relationships used when applying this concept. In addition, concepts may have particular importance to common or standardised industry practices and scenarios. For these specific usage scenarios, the tables below shows a recommended list of general usage patterns that users may adopt.

G IfcTypeProduct IfcTypeProduct GlobalId [1:1] OwnerHistory [0:1] Name [0:1] Description [0:1] HasAssignments [0:?] Nests [0:1] IsNestedBy [0:?] HasContext [0:1] IsDecomposedBy [0:?] Decomposes [0:1] HasAssociations [0:?] ApplicableOccurrence [0:1] HasPropertySets [1:?] Types [0:1] RepresentationMaps [1:?] Tag [0:1] ReferencedBy [0:?] IfcRepresentationMap IfcRepresentationMap MappingOrigin [1:1] MappedRepresentation [1:1] HasShapeAspects [0:?] MapUsage [0:?] IfcTypeProduct:RepresentationMaps1->IfcRepresentationMap:IfcRepresentationMap0 IfcShapeRepresentation IfcShapeRepresentation ContextOfItems [1:1] RepresentationIdentifier [0:1] RepresentationType RepresentationType [0:1] Geometry Items [1:?] RepresentationMap [0:1] LayerAssignments [0:?] OfProductRepresentation [0:?] OfShapeAspect [0:1] IfcRepresentationMap:MappedRepresentation1->IfcShapeRepresentation:IfcShapeRepresentation0 IfcAxis2Placement3D IfcAxis2Placement3D LayerAssignment [0:1] StyledByItem [0:1] Location [1:1] Axis [0:1] RefDirection [0:1] IfcRepresentationMap:MappingOrigin1->IfcAxis2Placement3D:IfcAxis2Placement3D0 IfcAxis2Placement2D IfcAxis2Placement2D LayerAssignment [0:1] StyledByItem [0:1] Location [1:1] RefDirection [0:1] IfcRepresentationMap:MappingOrigin1->IfcAxis2Placement2D:IfcAxis2Placement2D0 IfcGeometricRepresentationContext IfcGeometricRepresentationContext ContextIdentifier [0:1] ContextType [0:1] RepresentationsInContext [0:?] CoordinateSpaceDimension [1:1] Precision [0:1] WorldCoordinateSystem [1:1] TrueNorth [0:1] HasSubContexts [0:?] HasCoordinateOperation [0:1] IfcShapeRepresentation:ContextOfItems1->IfcGeometricRepresentationContext:IfcGeometricRepresentationContext0 IfcLabel_0 IfcLabel IfcShapeRepresentation:RepresentationIdentifier1->IfcLabel_0:IfcLabel0 IfcLabel_1 IfcLabel IfcShapeRepresentation:RepresentationType1->IfcLabel_1:IfcLabel0 IfcCsgSolid IfcCsgSolid LayerAssignment [0:1] StyledByItem [0:1] TreeRootExpression [1:1] IfcShapeRepresentation:Items1->IfcCsgSolid:IfcCsgSolid0 IfcBlock IfcBlock LayerAssignment [0:1] StyledByItem [0:1] Position [1:1] XLength [1:1] YLength [1:1] ZLength [1:1] IfcShapeRepresentation:Items1->IfcBlock:IfcBlock0 IfcRectangularPyramid IfcRectangularPyramid LayerAssignment [0:1] StyledByItem [0:1] Position [1:1] XLength [1:1] YLength [1:1] Height [1:1] IfcShapeRepresentation:Items1->IfcRectangularPyramid:IfcRectangularPyramid0 IfcRightCircularCone IfcRightCircularCone LayerAssignment [0:1] StyledByItem [0:1] Position [1:1] Height [1:1] BottomRadius [1:1] IfcShapeRepresentation:Items1->IfcRightCircularCone:IfcRightCircularCone0 IfcRightCircularCylinder IfcRightCircularCylinder LayerAssignment [0:1] StyledByItem [0:1] Position [1:1] Height [1:1] Radius [1:1] IfcShapeRepresentation:Items1->IfcRightCircularCylinder:IfcRightCircularCylinder0 IfcSphere IfcSphere LayerAssignment [0:1] StyledByItem [0:1] Position [1:1] Radius [1:1] IfcShapeRepresentation:Items1->IfcSphere:IfcSphere0 IfcBooleanResult IfcBooleanResult LayerAssignment [0:1] StyledByItem [0:1] Operator [1:1] FirstOperand [1:1] SecondOperand [1:1] IfcCsgSolid:TreeRootExpression1->IfcBooleanResult:IfcBooleanResult0 IfcBooleanOperator IfcBooleanOperator IfcBooleanResult:Operator1->IfcBooleanOperator:IfcBooleanOperator0 IfcBooleanOperand_0 IfcBooleanOperand IfcBooleanResult:FirstOperand1->IfcBooleanOperand_0:IfcBooleanOperand0 IfcBooleanOperand_1 IfcBooleanOperand IfcBooleanResult:SecondOperand1->IfcBooleanOperand_1:IfcBooleanOperand0
Figure 4.9.1.3.4.A

General Usage

ApplicableEntity
IfcTypeProduct
Table 4.9.1.3.4.B