IFC 4.3.0.0 (IFC4X3) final

4.9.1.3.3 Type Body Brep 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 IfcFacetedBrep IfcFacetedBrep LayerAssignment [0:1] StyledByItem [0:1] Outer [1:1] IfcShapeRepresentation:Items1->IfcFacetedBrep:IfcFacetedBrep0 IfcClosedShell IfcClosedShell LayerAssignment [0:1] StyledByItem [0:1] CfsFaces [1:?] IfcFacetedBrep:Outer1->IfcClosedShell:IfcClosedShell0 IfcFace IfcFace LayerAssignment [0:1] StyledByItem [0:1] Bounds [1:?] HasTextureMaps [0:?] IfcClosedShell:CfsFaces1->IfcFace:IfcFace0 IfcFaceOuterBound IfcFaceOuterBound LayerAssignment [0:1] StyledByItem [0:1] Bound [1:1] Orientation [1:1] IfcFace:Bounds1->IfcFaceOuterBound:IfcFaceOuterBound0 IfcPolyLoop IfcPolyLoop LayerAssignment [0:1] StyledByItem [0:1] Polygon [3:?] IfcFaceOuterBound:Bound1->IfcPolyLoop:IfcPolyLoop0 IfcBoolean IfcBoolean IfcFaceOuterBound:Orientation1->IfcBoolean:IfcBoolean0 IfcCartesianPoint IfcCartesianPoint LayerAssignment [0:1] StyledByItem [0:1] Coordinates [1:3] IfcPolyLoop:Polygon1->IfcCartesianPoint:IfcCartesianPoint0
Figure 4.9.1.3.3.A

General Usage

ApplicableEntity
IfcTypeProduct
Table 4.9.1.3.3.B