![]()  | Measure Value | 
![]()  | Valeur de mesure | 
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 4.0.0.0 | 
|---|---|---|---|---|
| IfcMeasureValue | ||||
| IfcNonNegativeLengthMeasure | ADDED | IFC2x3 to IFC4 4.0.0.0 | ||
| IfcMeasureValue | ||||
| IfcNonNegativeLengthMeasure | ADDED | 
NOTE Definition according to ISO/CD 10303-41:1992
A measure value is a value as defined in ISO 31-0 (clause 2).
NOTE IfcMeasureValue is a select data type for most basic measure types coming from ISO 10303-41. Select item IfcNonNegativeLengthMeasure is in addition to ISO 10303-41.
NOTE Corresponding ISO 10303 name: measure_value, please refer to ISO/IS 10303-41 for the final definition of the formal standard.
HISTORY New type in IFC1.5.1.
IFC 2x4 CHANGE IfcNonNegativeLengthMeasure added.
 <xs:group name="IfcMeasureValue">
  <xs:choice>
   <xs:element ref="ifc:IfcAmountOfSubstanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcAreaMeasure-wrapper"/>
   <xs:element ref="ifc:IfcComplexNumber-wrapper"/>
   <xs:element ref="ifc:IfcContextDependentMeasure-wrapper"/>
   <xs:element ref="ifc:IfcCountMeasure-wrapper"/>
   <xs:element ref="ifc:IfcDescriptiveMeasure-wrapper"/>
   <xs:element ref="ifc:IfcElectricCurrentMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLuminousIntensityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMassMeasure-wrapper"/>
   <xs:element ref="ifc:IfcNonNegativeLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcNormalisedRatioMeasure-wrapper"/>
   <xs:element ref="ifc:IfcNumericMeasure-wrapper"/>
   <xs:element ref="ifc:IfcParameterValue-wrapper"/>
   <xs:element ref="ifc:IfcPlaneAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPositiveLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPositivePlaneAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPositiveRatioMeasure-wrapper"/>
   <xs:element ref="ifc:IfcRatioMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSolidAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcThermodynamicTemperatureMeasure-wrapper"/>
   <xs:element ref="ifc:IfcTimeMeasure-wrapper"/>
   <xs:element ref="ifc:IfcVolumeMeasure-wrapper"/>
  </xs:choice>
 </xs:group>
TYPE IfcMeasureValue = SELECT (
 IfcVolumeMeasure, 
 IfcTimeMeasure, 
 IfcThermodynamicTemperatureMeasure, 
 IfcSolidAngleMeasure, 
 IfcPositiveRatioMeasure, 
 IfcRatioMeasure, 
 IfcPositivePlaneAngleMeasure, 
 IfcPlaneAngleMeasure, 
 IfcParameterValue, 
 IfcNumericMeasure, 
 IfcMassMeasure, 
 IfcPositiveLengthMeasure, 
 IfcLengthMeasure, 
 IfcElectricCurrentMeasure, 
 IfcDescriptiveMeasure, 
 IfcCountMeasure, 
 IfcContextDependentMeasure, 
 IfcAreaMeasure, 
 IfcAmountOfSubstanceMeasure, 
 IfcLuminousIntensityMeasure, 
 IfcNormalisedRatioMeasure, 
 IfcComplexNumber, 
 IfcNonNegativeLengthMeasure);
END_TYPE;
  References: IfcValue