IFC 4.3.2.20240512 (IFC4X3_ADD2) under development

4.1.7.1.2.6 Single Survey Point Linearly Placed

Geometry representation of a single survey point linearly placed along a curve.

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 table below shows a recommended list of general usage patterns that users may adopt.

G IfcAnnotation IfcAnnotation 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. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. ObjectPlacement [0:1] 7. Representation [0:1]      ReferencedBy [0:?]      PositionedRelativeTo [0:?]      ReferencedInStructures [0:?] 8. PredefinedType [0:1]      ContainedInStructure [0:1] IfcProductDefinitionShape IfcProductDefinitionShape 1. Name [0:1] 2. Description [0:1] 3. Representations [1:?]      ShapeOfProduct [1:?]      HasShapeAspects [0:?] IfcAnnotation:Representation1->IfcProductDefinitionShape:IfcProductDefinitionShape0 IfcAnnotationTypeEnum IfcAnnotationTypeEnum IfcAnnotation:PredefinedType1->IfcAnnotationTypeEnum:IfcAnnotationTypeEnum0 IfcShapeRepresentation IfcShapeRepresentation 1. ContextOfItems [1:1] Identifier 2. RepresentationIdentifier [0:1] Type 3. RepresentationType [0:1] Items 4. Items [1:?]      RepresentationMap [0:1]      LayerAssignments [0:?]      OfProductRepresentation [0:?]      OfShapeAspect [0:1] IfcProductDefinitionShape:Representations1->IfcShapeRepresentation:IfcShapeRepresentation0 constraint_2 =SURVEY IfcAnnotationTypeEnum->constraint_2 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 IfcPointByDistanceExpression IfcPointByDistanceExpression      LayerAssignment [0:1]      StyledByItem [0:1] 1. DistanceAlong [1:1] 2. OffsetLateral [0:1] 3. OffsetVertical [0:1] 4. OffsetLongitudinal [0:1] 5. BasisCurve [1:1] IfcShapeRepresentation:Items1->IfcPointByDistanceExpression:IfcPointByDistanceExpression0 constraint_0 ='Annotation' IfcLabel_0->constraint_0 constraint_1 ='Point' IfcLabel_1->constraint_1
Figure 4.1.7.1.2.6.A

General Usage

ApplicableEntity
IfcAnnotation
Table 4.1.7.1.2.6.B

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