#### 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;

Link to this page