IfcRelAssociatesLibrary

Natural language names
Ordnet Bibliothek zu - Relation
Rel Associates Library
Association à librairie
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcRelAssociatesLibrary
      OwnerHistoryMODIFIEDInstantiation changed to OPTIONAL.
      RelatedObjectsXXMODIFIEDType changed from IfcRoot to IfcDefinitionSelect.
Semantic definitions at the entity
Entity 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).

HISTORY  New entity in IFC2x.

Attribute definitions
#AttributeTypeCardinalityDescription G
6RelatingLibraryIfcLibrarySelect Reference to a library, from which the definition of the property set is taken. X
Inherited definitions from supertypes
Entity inheritance IfcRelAssociates IfcRelationship IfcRoot
Attribute inheritance
#AttributeTypeCardinalityDescriptionG
IfcRoot
1GlobalIdIfcGloballyUniqueId Assignment of a globally unique identifier within the entire software world. X
2OwnerHistoryIfcOwnerHistory? 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,
NOTE  only the last modification in stored - either as addition, deletion or modification.
IFC4 CHANGE  The attribute has been changed to be OPTIONAL.
X
3NameIfcLabel? 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. X
4DescriptionIfcText? Optional description, provided for exchanging informative comments. X
IfcRelationship
IfcRelAssociates
5RelatedObjectsIfcDefinitionSelectS[1:?] 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.
IFC4 CHANGE  The attribute datatype has been changed from IfcRoot to IfcDefinitionSelect.
X
IfcRelAssociatesLibrary
6RelatingLibraryIfcLibrarySelect Reference to a library, from which the definition of the property set is taken. X
Definitions applying to General Usage

Concept inheritance

#ConceptTemplateModel View
IfcRoot
IdentitySoftware IdentityGeneral Usage
Revision ControlRevision ControlGeneral Usage
Formal representations
XML Specification
 <xs:element name="IfcRelAssociatesLibrary" type="ifc:IfcRelAssociatesLibrary" substitutionGroup="ifc:IfcRelAssociates" nillable="true"/>
 <xs:complexType name="IfcRelAssociatesLibrary">
  <xs:complexContent>
   <xs:extension base="ifc:IfcRelAssociates">
    <xs:sequence>
     <xs:element name="RelatingLibrary">
      <xs:complexType>
       <xs:group ref="ifc:IfcLibrarySelect"/>
      </xs:complexType>
     </xs:element>
    </xs:sequence>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>
EXPRESS Specification
ENTITY IfcRelAssociatesLibrary
 SUBTYPE OF (IfcRelAssociates);
  RelatingLibrary : IfcLibrarySelect;
END_ENTITY;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcLibraryInformation IfcLibraryReference

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