IfcDerivedMeasureValue

Natural language names
enDerived Measure Value
frSélection de mesure dérivée
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4
    IfcDerivedMeasureValue
      IfcTemperatureRateOfChangeMeasureADDED
      IfcAreaDensityMeasureADDED
      IfcSoundPowerLevelMeasureADDED
      IfcSoundPressureLevelMeasureADDED
      IfcTimeStampXXDELETED
Semantic definitions at the type
Type definition

IfcDerivedMeasureValue is a select type for selecting between derived measure types.

SELECT

HISTORY  New type in IFC2x.
IFC4 CHANGE  added IfcAreaDensityMeasure, IfcSoundPowerLevelMeasure, IfcSoundPressureLevelMeasure, IfcTemperatureRateOfChangeMeasure, removed IfcTimeStamp.
Select definition
TypeDescription
IfcPressureMeasure
IfcMassDensityMeasure
IfcDynamicViscosityMeasure
IfcCompoundPlaneAngleMeasure
IfcMolecularWeightMeasure
IfcLinearStiffnessMeasure
IfcModulusOfElasticityMeasure
IfcMomentOfInertiaMeasure
IfcRotationalStiffnessMeasure
IfcMassPerLengthMeasure
IfcSectionModulusMeasure
IfcThermalExpansionCoefficientMeasure
IfcWarpingConstantMeasure
Formal representations
XSD Specification
 <xs:group name="IfcDerivedMeasureValue">
  <xs:choice>
   <xs:element ref="ifc:IfcCompoundPlaneAngleMeasure-wrapper"/>
   <xs:element ref="ifc:IfcDynamicViscosityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcLinearStiffnessMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMassDensityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMassPerLengthMeasure-wrapper"/>
   <xs:element ref="ifc:IfcModulusOfElasticityMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMolecularWeightMeasure-wrapper"/>
   <xs:element ref="ifc:IfcMomentOfInertiaMeasure-wrapper"/>
   <xs:element ref="ifc:IfcPressureMeasure-wrapper"/>
   <xs:element ref="ifc:IfcRotationalStiffnessMeasure-wrapper"/>
   <xs:element ref="ifc:IfcSectionModulusMeasure-wrapper"/>
   <xs:element ref="ifc:IfcThermalExpansionCoefficientMeasure-wrapper"/>
   <xs:element ref="ifc:IfcWarpingConstantMeasure-wrapper"/>
  </xs:choice>
 </xs:group>
EXPRESS Specification
TYPE IfcDerivedMeasureValue = SELECT (
 IfcPressureMeasure,
 IfcMassDensityMeasure,
 IfcDynamicViscosityMeasure,
 IfcCompoundPlaneAngleMeasure,
 IfcMolecularWeightMeasure,
 IfcLinearStiffnessMeasure,
 IfcModulusOfElasticityMeasure,
 IfcMomentOfInertiaMeasure,
 IfcRotationalStiffnessMeasure,
 IfcMassPerLengthMeasure,
 IfcSectionModulusMeasure,
 IfcThermalExpansionCoefficientMeasure,
 IfcWarpingConstantMeasure);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

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