5.4.3.16 IfcExternalSpatialStructureElement

Elément de la structure spatiale extérieure
Externe Raumstruktur

The external spatial structure element is an abstract entity provided for different kind of external spaces, regions, and volumes.

HISTORY  New entity in IFC4.

XSD Specification:

 <xs:element name="IfcExternalSpatialStructureElement" type="ifc:IfcExternalSpatialStructureElement" abstract="true" substitutionGroup="ifc:IfcSpatialElement" nillable="true"/>
 <xs:complexType name="IfcExternalSpatialStructureElement" abstract="true">
  <xs:complexContent>
   <xs:extension base="ifc:IfcSpatialElement"/>
  </xs:complexContent>
 </xs:complexType>

EXPRESS Specification:

ENTITY IfcExternalSpatialStructureElement
ABSTRACT SUPERTYPE OF(IfcExternalSpatialElement)
SUBTYPE OF IfcSpatialElement;
END_ENTITY;

Link to EXPRESS-G diagram EXPRESS-G diagram

Inheritance Graph:

ENTITY IfcExternalSpatialStructureElement
ENTITY IfcRoot
GlobalId : IfcGloballyUniqueId;
OwnerHistory : OPTIONAL IfcOwnerHistory;
Name : OPTIONAL IfcLabel;
Description : OPTIONAL IfcText;
ENTITY IfcObjectDefinition
INVERSE
HasAssignments : SET OF IfcRelAssigns FOR RelatedObjects;
Nests : SET [0:1] OF IfcRelNests FOR RelatedObjects;
IsNestedBy : SET OF IfcRelNests FOR RelatingObject;
HasContext : SET [0:1] OF IfcRelDeclares FOR RelatedDefinitions;
IsDecomposedBy : SET OF IfcRelAggregates FOR RelatingObject;
Decomposes : SET [0:1] OF IfcRelAggregates FOR RelatedObjects;
HasAssociations : SET OF IfcRelAssociates FOR RelatedObjects;
ENTITY IfcObject
ObjectType : OPTIONAL IfcLabel;
INVERSE
IsDeclaredBy : SET [0:1] OF IfcRelDefinesByObject FOR RelatedObjects;
Declares : SET OF IfcRelDefinesByObject FOR RelatingObject;
IsTypedBy : SET [0:1] OF IfcRelDefinesByType FOR RelatedObjects;
IsDefinedBy : SET OF IfcRelDefinesByProperties FOR RelatedObjects;
ENTITY IfcProduct
ObjectPlacement : OPTIONAL IfcObjectPlacement;
Representation : OPTIONAL IfcProductRepresentation;
INVERSE
ReferencedBy : SET OF IfcRelAssignsToProduct FOR RelatingProduct;
ENTITY IfcSpatialElement
LongName : OPTIONAL IfcLabel;
INVERSE
ContainsElements : SET OF IfcRelContainedInSpatialStructure FOR RelatingStructure;
ServicedBySystems : SET OF IfcRelServicesBuildings FOR RelatedBuildings;
ReferencesElements : SET OF IfcRelReferencedInSpatialStructure FOR RelatingStructure;
ENTITY IfcExternalSpatialStructureElement
END_ENTITY;

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