![]()  | Non Negative Length Measure | 
![]()  | Mesure de longueur positive ou nulle | 
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 4.0.0.0 | 
|---|---|---|---|---|
| IfcNonNegativeLengthMeasure | ADDED | IFC2x3 to IFC4 4.0.0.0 | ||
| IfcNonNegativeLengthMeasure | ADDED | 
A non-negative length measure is a length measure that is greater than or equal to zero.
Type: IfcLengthMeasure
HISTORY New type in IFC4.
| Rule | Description | 
|---|---|
| NotNegative | A non-negative measure shall be greater than or equal to zero. | 
 <xs:simpleType name="IfcNonNegativeLengthMeasure">
  <xs:restriction base="ifc:IfcLengthMeasure"/>
 </xs:simpleType>
TYPE IfcNonNegativeLengthMeasure = IfcLengthMeasure;
 WHERE
  NotNegative : SELF >= 0.
END_TYPE;
  References: IfcDoorLiningProperties
IfcWindowLiningProperties
IfcOpenCrossProfileDef
IfcMaterialLayer
IfcMeasureValue
IfcAsymmetricIShapeProfileDef
IfcCShapeProfileDef
IfcIShapeProfileDef
IfcLShapeProfileDef
IfcRectangleHollowProfileDef
IfcTShapeProfileDef
IfcUShapeProfileDef
IfcZShapeProfileDef