Defined in File Ifc4.h
IfcFrequencyMeasure: public IfcUtil::IfcBaseType¶
IfcFrequencyMeasure is a measure of the number of times that an item vibrates in unit time. Usually measured in cycles/s or Herz (Hz). Type: REAL
HISTORY New type in IFC Release 2.0.
operator double() const¶