Class Ifc4::IfcRatioMeasure

• Defined in File Ifc4.h

Nested Relationships

This class is a nested type of Struct Ifc4.

Inheritance Relationships

Base Type

• public IfcUtil::IfcBaseType (Class IfcBaseType)

Derived Types

• public Ifc4::IfcNormalisedRatioMeasure (Class Ifc4::IfcNormalisedRatioMeasure)

• public Ifc4::IfcPositiveRatioMeasure (Class Ifc4::IfcPositiveRatioMeasure)

Class Documentation

class Ifc4::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.

Type: REAL

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.

Subclassed by Ifc4::IfcNormalisedRatioMeasure, Ifc4::IfcPositiveRatioMeasure

Public Functions

const IfcParse::type_declaration &declaration() const

IfcRatioMeasure(IfcEntityInstanceData *e)

IfcRatioMeasure(double v)

operator double() const

Public Static Functions

const IfcParse::type_declaration &Class()