IfcValue

8.5.2.14 IfcValue

IfcValue is a select type for selecting between more specialised select types IfcSimpleValue, IfcMeasureValue and IfcDerivedMeasureValue.

SELECT

IfcSimpleValue A select type for basic defined types of simple data type.
IfcMeasureValue A select type for basic measure types of ISO 10303-41.
IfcDerivedMeasureValue A select type for derived measure types.

HISTORY New type in IFC2x.

XSD Specification:

<xs:group name="IfcValue">
  <xs:choice>
   <xs:element ref="ifc:IfcAreaMeasure-wrapper"/>
   <xs:element ref="ifc:IfcDate-wrapper"/>
   <xs:element ref="ifc:IfcDateTime-wrapper"/>
   <xs:element ref="ifc:IfcDuration-wrapper"/>
   <xs:element ref="ifc:IfcIdentifier-wrapper"/>
   <xs:element ref="ifc:IfcInteger-wrapper"/>
   <xs:element ref="ifc:IfcLabel-wrapper"/>
   <xs:element ref="ifc:IfcLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMonetaryMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPositiveLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcReal-wrapper"/>
   <xs:element ref="ifc:IfcText-wrapper"/>
   <xs:element ref="ifc:IfcTime-wrapper"/>
   <xs:element ref="ifc:IfcTimeStamp-wrapper"/>
  </xs:choice>
</xs:group>

EXPRESS Specification:

TYPE IfcValue = SELECT (

END_TYPE;

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