6.4.3.6 IfcSystemFurnitureElement

Elément de l'ameublement
Möbelsystem-Element

A system furniture element defines components of modular furniture which are not directly placed in a building structure but aggregated inside furniture.

HISTORY  New entity in IFC2x2.

Common Use Definitions

The following concepts are inherited at supertypes:

 Instance diagram

Object Typing

The Object Typing concept applies to this entity as shown in Table 241.
Type
IfcSystemFurnitureElementType

Table 241 — IfcSystemFurnitureElement Object Typing



Property Sets for Objects

The Property Sets for Objects concept applies to this entity as shown in Table 242.
PredefinedTypeName
 Pset_SystemFurnitureElementTypeCommon
PANELPset_SystemFurnitureElementTypePanel
WORKSURFACEPset_SystemFurnitureElementTypeWorkSurface
 Pset_Condition
 Pset_EnvironmentalImpactIndicators
 Pset_EnvironmentalImpactValues
 Pset_ManufacturerOccurrence
 Pset_ManufacturerTypeInformation
 Pset_PackingInstructions
 Pset_ServiceLife
 Pset_Warranty

Table 242 — IfcSystemFurnitureElement Property Sets for Objects



Material Constituents

The Material Constituents concept applies to this entity as shown in Table 243.
NameDescription
FinishThe finish, typically at visible aspects of the furniture.
FrameThe frame from which the object is constructed.
HardwareFinish hardware such as knobs or handles.
PaddingPadding such as cushions.
PanelPanels such as glass.

Table 243 — IfcSystemFurnitureElement Material Constituents




XSD Specification:

 <xs:element name="IfcSystemFurnitureElement" type="ifc:IfcSystemFurnitureElement" substitutionGroup="ifc:IfcFurnishingElement" nillable="true"/>
 <xs:complexType name="IfcSystemFurnitureElement">
  <xs:complexContent>
   <xs:extension base="ifc:IfcFurnishingElement">
    <xs:attribute name="PredefinedType" type="ifc:IfcSystemFurnitureElementTypeEnum" use="optional"/>
   </xs:extension>
  </xs:complexContent>
 </xs:complexType>

EXPRESS Specification:

ENTITY IfcSystemFurnitureElement
SUBTYPE OF IfcFurnishingElement;
PredefinedType : OPTIONAL IfcSystemFurnitureElementTypeEnum;
WHERE
CorrectPredefinedType : NOT(EXISTS(PredefinedType)) OR (PredefinedType <> IfcSystemFurnitureElementTypeEnum.USERDEFINED) OR ((PredefinedType = IfcSystemFurnitureElementTypeEnum.USERDEFINED) AND EXISTS (SELF\IfcObject.ObjectType));
CorrectTypeAssigned : (SIZEOF(IsTypedBy) = 0) OR ('IFCSHAREDFACILITIESELEMENTS.IFCSYSTEMFURNITUREELEMENTTYPE' IN TYPEOF(SELF\IfcObject.IsTypedBy[1].RelatingType));
END_ENTITY;

Link to EXPRESS-G diagram EXPRESS-G diagram

Inheritance Graph:

ENTITY IfcSystemFurnitureElement
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 IfcElement
Tag : OPTIONAL IfcIdentifier;
INVERSE
FillsVoids : SET [0:1] OF IfcRelFillsElement FOR RelatedBuildingElement;
ConnectedTo : SET OF IfcRelConnectsElements FOR RelatingElement;
IsInterferedByElements : SET OF IfcRelInterferesElements FOR RelatedElement;
InterferesElements : SET OF IfcRelInterferesElements FOR RelatingElement;
HasProjections : SET OF IfcRelProjectsElement FOR RelatingElement;
ReferencedInStructures : SET OF IfcRelReferencedInSpatialStructure FOR RelatedElements;
HasOpenings : SET OF IfcRelVoidsElement FOR RelatingBuildingElement;
IsConnectionRealization : SET OF IfcRelConnectsWithRealizingElements FOR RealizingElements;
ProvidesBoundaries : SET OF IfcRelSpaceBoundary FOR RelatedBuildingElement;
ConnectedFrom : SET OF IfcRelConnectsElements FOR RelatedElement;
ContainedInStructure : SET [0:1] OF IfcRelContainedInSpatialStructure FOR RelatedElements;
ENTITY IfcFurnishingElement
ENTITY IfcSystemFurnitureElement
PredefinedType : OPTIONAL IfcSystemFurnitureElementTypeEnum;
END_ENTITY;

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