IfcMeasureValue

Natural language names
Semantic definitions at the type
Type definition

Definition from 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/CD 10303:41.
NOTE Corresponding STEP name: measure_value, please refer to ISO/IS 10303-41:1994 for the final definition of the formal standard.

SELECT

HISTORY New type in IFC Release 1.5.1.
Enumeration definition
ConstantDescription
IfcVolumeMeasure
IfcTimeMeasure
IfcThermodynamicTemperatureMeasure
IfcSolidAngleMeasure
IfcPositiveRatioMeasure
IfcRatioMeasure
IfcPositivePlaneAngleMeasure
IfcPlaneAngleMeasure
IfcParameterValue
IfcNumericMeasure
IfcMassMeasure
IfcPositiveLengthMeasure
IfcLengthMeasure
IfcElectricCurrentMeasure
IfcDescriptiveMeasure
IfcCountMeasure
IfcContextDependentMeasure
IfcAreaMeasure
IfcAmountOfSubstanceMeasure
IfcLuminousIntensityMeasure
IfcNormalisedRatioMeasure
IfcComplexNumber
Formal representations
XSD Specification
 <xs:group name="IfcMeasureValue">
  <xs:choice>
   <xs:element ref="ifc:IfcCountMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLengthMeasure-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:choice>
 </xs:group>
EXPRESS Specification
TYPE IfcMeasureValue = SELECT (
 IfcPositiveRatioMeasure,
 IfcRatioMeasure,
 IfcPositivePlaneAngleMeasure,
 IfcPlaneAngleMeasure,
 IfcParameterValue,
 IfcPositiveLengthMeasure,
 IfcLengthMeasure,
 IfcCountMeasure);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

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