Defined in File Ifc4.h
IfcPositivePlaneAngleMeasure: public Ifc4::IfcPlaneAngleMeasure¶
Definition from ISO/CD 10303-41:1992: Positive plane angle measure is a plane angle measure that is greater than zero. Type: IfcPlaneAngleMeasure
NOTE Corresponding STEP name: positive_plane_angle_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¶