IfcValue

Natural language names
Wert
Value
Valeur
Semantic definitions at the type
Type definition

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

SELECT

HISTORY  New type in IFC2x.

Select definition
TypeDescription
IfcMeasureValue
IfcSimpleValue
IfcDerivedMeasureValue
Formal representations
XML Specification
 <xs:group name="IfcValue">
  <xs:choice>
   <xs:element ref="ifc:IfcAbsorbedDoseMeasure-wrapper"/>
   <xs:element ref="ifc:IfcAccelerationMeasure-wrapper"/>
   <xs:element ref="ifc:IfcAmountOfSubstanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcAngularVelocityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcAreaDensityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcAreaMeasure-wrapper"/>
   <xs:element ref="ifc:IfcBinary-wrapper"/>
   <xs:element ref="ifc:IfcBoolean-wrapper"/>
   <xs:element ref="ifc:IfcComplexNumber-wrapper"/>
   <xs:element ref="ifc:IfcCompoundPlaneAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcContextDependentMeasure-wrapper"/>
   <xs:element ref="ifc:IfcCountMeasure-wrapper"/>
   <xs:element ref="ifc:IfcCurvatureMeasure-wrapper"/>
   <xs:element ref="ifc:IfcDate-wrapper"/>
   <xs:element ref="ifc:IfcDateTime-wrapper"/>
   <xs:element ref="ifc:IfcDescriptiveMeasure-wrapper"/>
   <xs:element ref="ifc:IfcDoseEquivalentMeasure-wrapper"/>
   <xs:element ref="ifc:IfcDuration-wrapper"/>
   <xs:element ref="ifc:IfcDynamicViscosityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcElectricCapacitanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcElectricChargeMeasure-wrapper"/>
   <xs:element ref="ifc:IfcElectricConductanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcElectricCurrentMeasure-wrapper"/>
   <xs:element ref="ifc:IfcElectricResistanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcElectricVoltageMeasure-wrapper"/>
   <xs:element ref="ifc:IfcEnergyMeasure-wrapper"/>
   <xs:element ref="ifc:IfcForceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcFrequencyMeasure-wrapper"/>
   <xs:element ref="ifc:IfcHeatFluxDensityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcHeatingValueMeasure-wrapper"/>
   <xs:element ref="ifc:IfcIdentifier-wrapper"/>
   <xs:element ref="ifc:IfcIlluminanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcInductanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcInteger-wrapper"/>
   <xs:element ref="ifc:IfcIntegerCountRateMeasure-wrapper"/>
   <xs:element ref="ifc:IfcIonConcentrationMeasure-wrapper"/>
   <xs:element ref="ifc:IfcIsothermalMoistureCapacityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcKinematicViscosityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLabel-wrapper"/>
   <xs:element ref="ifc:IfcLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLinearForceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLinearMomentMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLinearStiffnessMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLinearVelocityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLogical-wrapper"/>
   <xs:element ref="ifc:IfcLuminousFluxMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLuminousIntensityDistributionMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLuminousIntensityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMagneticFluxDensityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMagneticFluxMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMassDensityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMassFlowRateMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMassMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMassPerLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcModulusOfElasticityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcModulusOfLinearSubgradeReactionMeasure-wrapper"/>
   <xs:element ref="ifc:IfcModulusOfRotationalSubgradeReactionMeasure-wrapper"/>
   <xs:element ref="ifc:IfcModulusOfSubgradeReactionMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMoistureDiffusivityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMolecularWeightMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMomentOfInertiaMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMonetaryMeasure-wrapper"/>
   <xs:element ref="ifc:IfcNonNegativeLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcNormalisedRatioMeasure-wrapper"/>
   <xs:element ref="ifc:IfcNumericMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPHMeasure-wrapper"/>
   <xs:element ref="ifc:IfcParameterValue-wrapper"/>
   <xs:element ref="ifc:IfcPlanarForceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPlaneAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPositiveInteger-wrapper"/>
   <xs:element ref="ifc:IfcPositiveLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPositivePlaneAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPositiveRatioMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPowerMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPressureMeasure-wrapper"/>
   <xs:element ref="ifc:IfcRadioActivityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcRatioMeasure-wrapper"/>
   <xs:element ref="ifc:IfcReal-wrapper"/>
   <xs:element ref="ifc:IfcRotationalFrequencyMeasure-wrapper"/>
   <xs:element ref="ifc:IfcRotationalMassMeasure-wrapper"/>
   <xs:element ref="ifc:IfcRotationalStiffnessMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSectionModulusMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSectionalAreaIntegralMeasure-wrapper"/>
   <xs:element ref="ifc:IfcShearModulusMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSolidAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSoundPowerLevelMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSoundPowerMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSoundPressureLevelMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSoundPressureMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSpecificHeatCapacityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcTemperatureGradientMeasure-wrapper"/>
   <xs:element ref="ifc:IfcTemperatureRateOfChangeMeasure-wrapper"/>
   <xs:element ref="ifc:IfcText-wrapper"/>
   <xs:element ref="ifc:IfcThermalAdmittanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcThermalConductivityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcThermalExpansionCoefficientMeasure-wrapper"/>
   <xs:element ref="ifc:IfcThermalResistanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcThermalTransmittanceMeasure-wrapper"/>
   <xs:element ref="ifc:IfcThermodynamicTemperatureMeasure-wrapper"/>
   <xs:element ref="ifc:IfcTime-wrapper"/>
   <xs:element ref="ifc:IfcTimeMeasure-wrapper"/>
   <xs:element ref="ifc:IfcTimeStamp-wrapper"/>
   <xs:element ref="ifc:IfcTorqueMeasure-wrapper"/>
   <xs:element ref="ifc:IfcVaporPermeabilityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcVolumeMeasure-wrapper"/>
   <xs:element ref="ifc:IfcVolumetricFlowRateMeasure-wrapper"/>
   <xs:element ref="ifc:IfcWarpingConstantMeasure-wrapper"/>
   <xs:element ref="ifc:IfcWarpingMomentMeasure-wrapper"/>
  </xs:choice>
 </xs:group>
EXPRESS Specification
TYPE IfcValue = SELECT (
 IfcMeasureValue,
 IfcSimpleValue,
 IfcDerivedMeasureValue);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcMetricValueSelect IfcAppliedValueSelect IfcIrregularTimeSeriesValue IfcTimeSeriesValue IfcMeasureWithUnit IfcPropertyBoundedValue IfcPropertyEnumeratedValue IfcPropertyEnumeration IfcPropertyListValue IfcPropertySingleValue IfcPropertyTableValue IfcTableRow

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