4.8.1.2.2 Annotation 3D Geometry
The 'Annotation 3D Geometry' is used, when the representation of the annotation does includes surfaces and is not restricted to two-dimensional representation items.
The following attribute values for the IfcShapeRepresentation
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
<a href="IfcAnnotation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcAnnotation.htm">IfcAnnotation</a>
IfcAnnotation 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:?]
ObjectType
[0:1]
IsDeclaredBy
[0:1]
Declares
[0:?]
IsTypedBy
[0:1]
IsDefinedBy
[0:?]
ObjectPlacement
[0:1]
Representation
[0:1]
ReferencedBy
[0:?]
PositionedRelativeTo
[0:?]
ReferencedInStructures
[0:?]
PredefinedType
[0:1]
ContainedInStructure
[0:1]
<a href="IfcProductDefinitionShape.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcProductDefinitionShape.htm">IfcProductDefinitionShape</a>
IfcProductDefinitionShape Name
[0:1]
Description
[0:1]
Representations
[1:?]
ShapeOfProduct
[1:?]
HasShapeAspects
[0:?]
<a href="IfcAnnotation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcAnnotation.htm">IfcAnnotation</a>:Representation1-><a href="IfcProductDefinitionShape.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcProductDefinitionShape.htm">IfcProductDefinitionShape</a>:IfcProductDefinitionShape0
<a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>
IfcShapeRepresentation ContextOfItems
[1:1]
Identifier
RepresentationIdentifier
[0:1]
Type
RepresentationType
[0:1]
Items
Items
[1:?]
RepresentationMap
[0:1]
LayerAssignments
[0:?]
OfProductRepresentation
[0:?]
OfShapeAspect
[0:1]
<a href="IfcProductDefinitionShape.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcProductDefinitionShape.htm">IfcProductDefinitionShape</a>:Representations1-><a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>:IfcShapeRepresentation0
<a href="IfcGeometricRepresentationContext.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcGeometricRepresentationContext.htm">IfcGeometricRepresentationContext</a>
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]
<a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>:ContextOfItems1-><a href="IfcGeometricRepresentationContext.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcGeometricRepresentationContext.htm">IfcGeometricRepresentationContext</a>:IfcGeometricRepresentationContext0
IfcLabel_0
IfcLabel
<a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>:RepresentationIdentifier1->IfcLabel_0:IfcLabel0
IfcLabel_1
IfcLabel
<a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>:RepresentationType1->IfcLabel_1:IfcLabel0
<a href="IfcPoint.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcPoint.htm">IfcPoint</a>
IfcPoint LayerAssignment
[0:1]
StyledByItem
[0:1]
<a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>:Items1-><a href="IfcPoint.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcPoint.htm">IfcPoint</a>:IfcPoint0
<a href="IfcCurve.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcCurve.htm">IfcCurve</a>
IfcCurve LayerAssignment
[0:1]
StyledByItem
[0:1]
<a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>:Items1-><a href="IfcCurve.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcCurve.htm">IfcCurve</a>:IfcCurve0
<a href="IfcSurface.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcSurface.htm">IfcSurface</a>
IfcSurface LayerAssignment
[0:1]
StyledByItem
[0:1]
<a href="IfcShapeRepresentation.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcShapeRepresentation.htm">IfcShapeRepresentation</a>:Items1-><a href="IfcSurface.htm" tppabs="https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/lexical/IfcSurface.htm">IfcSurface</a>:IfcSurface0
constraint_0
=Annotation
IfcLabel_0->constraint_0
constraint_1
=GeometricSet
IfcLabel_1->constraint_1
Figure 4.8.1.2.2.A Table 4.8.1.2.2.B