Defined in File Ifc4x1.h
IfcRatioMeasure: public IfcUtil::IfcBaseType¶
Definition from ISO/CD 10303-41:1992: A ratio measure is the value of the relation between two physical quantities that are of the same kind.
NOTE: Input given in percent is to be divided by 100% when stored as an IfcRatioMeasure. For example, 25% becomes 0.25.
NOTE Corresponding STEP name: ratio_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¶