4.1.4.4.3 Object Nesting
General object nesting indicates an ordered arrangement relationship.
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
<a href="/IFC/RELEASE/IFC4x3/HTML/lexical/IfcObjectDefinition.htm">IfcObjectDefinition</a>
IfcObjectDefinition 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:?]
<a href="/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelNests.htm">IfcRelNests</a>
IfcRelNests 1. GlobalId
[1:1]
2. OwnerHistory
[0:1]
3. Name
[0:1]
4. Description
[0:1]
5. RelatingObject
[1:1]
Type
6. RelatedObjects
[1:?]
<a href="/IFC/RELEASE/IFC4x3/HTML/lexical/IfcObjectDefinition.htm">IfcObjectDefinition</a>:IsNestedBy1-><a href="/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelNests.htm">IfcRelNests</a>:RelatingObject0
<a href="/IFC/RELEASE/IFC4x3/HTML/lexical/IfcObject.htm">IfcObject</a>
IfcObject 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:?]
<a href="/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelNests.htm">IfcRelNests</a>:RelatedObjects1-><a href="/IFC/RELEASE/IFC4x3/HTML/lexical/IfcObject.htm">IfcObject</a>:IfcObject0
Figure 4.1.4.4.3.A Table 4.1.4.4.3.B