IFC 4.3.0.1 (IFC4X3_TC1)

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 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ApplicableOccurrence [0:1] 6. HasPropertySets [1:?]      Types [0:1] 7. RepresentationMaps [1:?] 8. Tag [0:1]      ReferencedBy [0:?] IfcRepresentationMap IfcRepresentationMap 1. MappingOrigin [1:1] 2. MappedRepresentation [1:1]      HasShapeAspects [0:?]      MapUsage [0:?] IfcTypeProduct:RepresentationMaps1->IfcRepresentationMap:IfcRepresentationMap0 IfcShapeRepresentation IfcShapeRepresentation 1. ContextOfItems [1:1] 2. RepresentationIdentifier [0:1] RepresentationType 3. RepresentationType [0:1] Geometry 4. Items [1:?]      RepresentationMap [0:1]      LayerAssignments [0:?]      OfProductRepresentation [0:?]      OfShapeAspect [0:1] IfcRepresentationMap:MappedRepresentation1->IfcShapeRepresentation:IfcShapeRepresentation0 IfcAxis2Placement3D IfcAxis2Placement3D      LayerAssignment [0:1]      StyledByItem [0:1] 1. Location [1:1] 2. Axis [0:1] 3. RefDirection [0:1] IfcRepresentationMap:MappingOrigin1->IfcAxis2Placement3D:IfcAxis2Placement3D0 IfcAxis2Placement2D IfcAxis2Placement2D      LayerAssignment [0:1]      StyledByItem [0:1] 1. Location [1:1] 2. RefDirection [0:1] IfcRepresentationMap:MappingOrigin1->IfcAxis2Placement2D:IfcAxis2Placement2D0 IfcGeometricRepresentationContext IfcGeometricRepresentationContext 1. ContextIdentifier [0:1] 2. ContextType [0:1]      RepresentationsInContext [0:?] 3. CoordinateSpaceDimension [1:1] 4. Precision [0:1] 5. WorldCoordinateSystem [1:1] 6. 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] 1. TreeRootExpression [1:1] IfcShapeRepresentation:Items1->IfcCsgSolid:IfcCsgSolid0 IfcBlock IfcBlock      LayerAssignment [0:1]      StyledByItem [0:1] 1. Position [1:1] 2. XLength [1:1] 3. YLength [1:1] 4. ZLength [1:1] IfcShapeRepresentation:Items1->IfcBlock:IfcBlock0 IfcRectangularPyramid IfcRectangularPyramid      LayerAssignment [0:1]      StyledByItem [0:1] 1. Position [1:1] 2. XLength [1:1] 3. YLength [1:1] 4. Height [1:1] IfcShapeRepresentation:Items1->IfcRectangularPyramid:IfcRectangularPyramid0 IfcRightCircularCone IfcRightCircularCone      LayerAssignment [0:1]      StyledByItem [0:1] 1. Position [1:1] 2. Height [1:1] 3. BottomRadius [1:1] IfcShapeRepresentation:Items1->IfcRightCircularCone:IfcRightCircularCone0 IfcRightCircularCylinder IfcRightCircularCylinder      LayerAssignment [0:1]      StyledByItem [0:1] 1. Position [1:1] 2. Height [1:1] 3. Radius [1:1] IfcShapeRepresentation:Items1->IfcRightCircularCylinder:IfcRightCircularCylinder0 IfcSphere IfcSphere      LayerAssignment [0:1]      StyledByItem [0:1] 1. Position [1:1] 2. Radius [1:1] IfcShapeRepresentation:Items1->IfcSphere:IfcSphere0 IfcBooleanResult IfcBooleanResult      LayerAssignment [0:1]      StyledByItem [0:1] 1. Operator [1:1] 2. FirstOperand [1:1] 3. 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