8.4.3.3 IfcExternalInformation
An IfcExternalInformation is the identification of an information source that is not explicitly represented in the current model or in the project database (as an implementation of the current model). The IfcExternalInformation identifies the external source (classification, document, or library), but not the particular items such as a dictionary entry, a classification notation, or a document reference within the external source
The IfcExternalInformation is an abstract supertype of
all external information entities.
HISTORY New entity in IFC4.
XSD Specification:
<xs:element name="IfcExternalInformation" type="ifc:IfcExternalInformation" abstract="true" substitutionGroup="ifc:Entity" nillable="true"/>
<xs:complexType name="IfcExternalInformation" abstract="true">
<xs:complexContent>
<xs:extension base="ifc:Entity"/>
</xs:complexContent>
</xs:complexType>
EXPRESS Specification:
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ENTITY IfcExternalInformation
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Inheritance Graph:
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ENTITY IfcExternalInformation
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