IfcResourceObjectSelect

BACnet MVD

#### IfcResourceObjectSelect

Natural language names

| Resource Object Select
| Sélection d'entité ressource

Change log

Item | SPF | XML | Change | Description
--- | --- | --- | --- | ---
IFC2x3 to IFC4
IfcResourceObjectSelect |  |  | ADDED |

##### Semantic definitions at the type

Type definition

The IfcResourceObjectSelect enables selection of resource level objects that are to be related to an resource level relationship object. The use of IfcResourceObjectSelect includes the ability to assign an external reference entity (library, classification, or documentation reference) to entities within the resource level.

> HISTORY New select type in IFC4.

Select definition

Type | Description
--- | ---
IfcPropertyAbstraction |
IfcPhysicalQuantity |
IfcAppliedValue |
IfcContextDependentUnit |
IfcConversionBasedUnit |
IfcProfileDef |
IfcActorRole |
IfcApproval |
IfcConstraint |
IfcTimeSeries |
IfcMaterialDefinition |
IfcPerson |
IfcPersonAndOrganization |
IfcOrganization |
IfcExternalReference |
IfcExternalInformation |

##### Formal representations

XML Specification
`<xs:group name="IfcResourceObjectSelect">
<xs:choice>
<xs:element ref="ifc:IfcActorRole"/>
<xs:element ref="ifc:IfcAppliedValue"/>
<xs:element ref="ifc:IfcApproval"/>
<xs:element ref="ifc:IfcConstraint"/>
<xs:element ref="ifc:IfcContextDependentUnit"/>
<xs:element ref="ifc:IfcConversionBasedUnit"/>
<xs:element ref="ifc:IfcExternalInformation"/>
<xs:element ref="ifc:IfcExternalReference"/>
<xs:element ref="ifc:IfcMaterialDefinition"/>
<xs:element ref="ifc:IfcOrganization"/>
<xs:element ref="ifc:IfcPerson"/>
<xs:element ref="ifc:IfcPersonAndOrganization"/>
<xs:element ref="ifc:IfcPhysicalQuantity"/>
<xs:element ref="ifc:IfcProfileDef"/>
<xs:element ref="ifc:IfcPropertyAbstraction"/>
<xs:element ref="ifc:IfcTimeSeries"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcResourceObjectSelect = SELECT (
IfcPropertyAbstraction,
IfcPhysicalQuantity,
IfcAppliedValue,
IfcContextDependentUnit,
IfcConversionBasedUnit,
IfcProfileDef,
IfcActorRole,
IfcApproval,
IfcConstraint,
IfcTimeSeries,
IfcMaterialDefinition,
IfcPerson,
IfcPersonAndOrganization,
IfcOrganization,
IfcExternalReference,
IfcExternalInformation);
END_TYPE;

EXPRESS-G diagram

`

References: IfcResourceApprovalRelationship IfcResourceConstraintRelationship IfcExternalReferenceRelationship

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