Defined in File Ifc2x3.h
IfcLengthMeasure: public IfcUtil::IfcBaseType¶
Definition from ISO/CD 10303-41:1992: A length measure is the value of a distance. Usually measured in millimeters (mm). Type: REAL
NOTE Corresponding ISO 10303 name: length_measure, please refer to ISO/IS 10303-41 for the final definition of the formal standard.
HISTORY New type in IFC Release 1.5.1.
Subclassed by Ifc2x3::IfcPositiveLengthMeasure
operator double() const¶