Defined in File Ifc4x3_rc1.h
IfcRotationalFrequencyMeasure: public IfcUtil::IfcBaseType¶
IfcRotationalFrequencyMeasure is a measure of the number of cycles that an item revolves in unit time. Usually measured in cycles/s. Type: REAL
HISTORY New type in IFC Release 2x.
operator double() const¶