|  | Length Measure | 
|  | Mesure de longueur | 
An IfcLengthMeasure is the value of a distance.
Usually measured in millimeters (mm).
Type: REAL
NOTE Type adapted from length_measure defined in ISO 10303-41.
HISTORY New type in IFC1.5.1.
 <xs:simpleType name="IfcLengthMeasure">
  <xs:restriction base="xs:double"/>
 </xs:simpleType>
 <xs:element name="IfcLengthMeasure-wrapper" nillable="true">
  <xs:complexType>
   <xs:simpleContent>
    <xs:extension base="ifc:IfcLengthMeasure">
     <xs:attributeGroup ref="ifc:instanceAttributes"/>
    </xs:extension>
   </xs:simpleContent>
  </xs:complexType>
 </xs:element>
TYPE IfcLengthMeasure = REAL;
END_TYPE;