Defined in File Ifc4x2.h
IfcMassMeasure: public IfcUtil::IfcBaseType¶
Definition from ISO/CD 10303-41:1992: A mass measure is the value of the amount of matter that a body contains. Usually measured in kilograms (kg) or grams (g). Type: REAL
NOTE Corresponding ISO 10303 name: mass_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.
operator double() const¶