Natural language names
 | Measure Value |
 | Valeur de mesure |
| Measure Value |
| Valeur de mesure |
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 |
|---|---|---|---|---|
| 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:IfcAreaMeasure-wrapper"/>
<xs:element ref="ifc:IfcCountMeasure-wrapper"/>
<xs:element ref="ifc:IfcLengthMeasure-wrapper"/>
<xs:element ref="ifc:IfcMassMeasure-wrapper"/>
<xs:element ref="ifc:IfcNonNegativeLengthMeasure-wrapper"/>
<xs:element ref="ifc:IfcNormalisedRatioMeasure-wrapper"/>
<xs:element ref="ifc:IfcParameterValue-wrapper"/>
<xs:element ref="ifc:IfcPlaneAngleMeasure-wrapper"/>
<xs:element ref="ifc:IfcPositiveLengthMeasure-wrapper"/>
<xs:element ref="ifc:IfcPositiveRatioMeasure-wrapper"/>
<xs:element ref="ifc:IfcRatioMeasure-wrapper"/>
<xs:element ref="ifc:IfcTimeMeasure-wrapper"/>
<xs:element ref="ifc:IfcVolumeMeasure-wrapper"/>
</xs:choice>
</xs:group>
TYPE IfcMeasureValue = SELECT (
IfcVolumeMeasure,
IfcTimeMeasure,
IfcPositiveRatioMeasure,
IfcRatioMeasure,
IfcPlaneAngleMeasure,
IfcParameterValue,
IfcMassMeasure,
IfcPositiveLengthMeasure,
IfcLengthMeasure,
IfcCountMeasure,
IfcAreaMeasure,
IfcNormalisedRatioMeasure,
IfcNonNegativeLengthMeasure);
END_TYPE;
EXPRESS-G diagram
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