IFC 4.3.1.0 (IFC4X3_ADD1)

5.1.3.32 IfcRelAssociatesLibrary

5.1.3.32.1 Semantic definition

The objectified relationship (IfcRelAssociatesLibrary) handles the assignment of a library item (items of the select IfcLibrarySelect) to subtypes of IfcObjectDefinition or IfcPropertyDefinition.

The relationship is used to assign a library reference or a more detailed link to a library information to objects, property sets or types. A single library reference can be applied to multiple items.

The inherited attribute RelatedObjects define the items to which the library association is applied. The attribute RelatingLibrary is the reference to a library reference, applied to the item(s).

5.1.3.32.2 Entity inheritance

5.1.3.32.3 Attributes

# Attribute Type Description
IfcRoot (4)
1 GlobalId IfcGloballyUniqueId

Assignment of a globally unique identifier within the entire software world.

2 OwnerHistory OPTIONAL IfcOwnerHistory

Assignment of the information about the current ownership of that object, including owning actor, application, local identification and information captured about the recent changes of the object,

3 Name OPTIONAL IfcLabel

Optional name for use by the participating software systems or users. For some subtypes of IfcRoot the insertion of the Name attribute may be required. This would be enforced by a where rule.

4 Description OPTIONAL IfcText

Optional description, provided for exchanging informative comments.

IfcRelAssociates (1)
5 RelatedObjects SET [1:?] OF IfcDefinitionSelect

Set of object or property definitions to which the external references or information is associated. It includes object and type objects, property set templates, property templates and property sets and contexts.

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IfcRelAssociatesLibrary (1)
6 RelatingLibrary IfcLibrarySelect

Reference to a library, from which the definition of the property set is taken.

Table 5.1.3.32.A

5.1.3.32.4 Concept usage

Concept Usage Description
IfcRoot (2)
Revision Control General

Ownership, history, and merge state is captured using IfcOwnerHistory.

Software Identity General

IfcRoot assigns the globally unique ID. In addition it may provide for a name and a description about the concept.

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Table 5.1.3.32.B

5.1.3.32.5 Formal representation

ENTITY IfcRelAssociatesLibrary
 SUBTYPE OF (IfcRelAssociates);
	RelatingLibrary : IfcLibrarySelect;
END_ENTITY;

5.1.3.32.6 References