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IfcMeasureValue

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.

SELECT

HISTORY This entity has changes after IFC Release 1.5.1.
This entity has changes after IFC Release 2.0.
ISSUE See issue and change log for issues and changes made in IFC Release 2x.

EXPRESS specification:

TYPE IfcMeasureValue = SELECT
( IfcVolumeMeasure,
IfcTimeMeasure,
IfcThermodynamicTemperatureMeasure,
IfcSolidAngleMeasure,
IfcPositiveRatioMeasure,
IfcRatioMeasure,
IfcPositivePlaneAngleMeasure,
IfcPlaneAngleMeasure,
IfcParameterValue,
IfcNumericMeasure,
IfcMassMeasure,
IfcPositiveLengthMeasure,
IfcLengthMeasure,
IfcElectricCurrentMeasure,
IfcDescriptiveMeasure,
IfcCountMeasure,
IfcContextDependentMeasure,
IfcAreaMeasure,
IfcAmountOfSubstanceMeasure,
IfcLuminousIntensityMeasure,
IfcNormalisedRatioMeasure);
END_TYPE;

References (1):

Name Type Referred through Express-G
IfcValue Select
Select relation
Diagram 2