IfcStairFlightTypeEnum

Definition from IAI: This enumeration defines the different types of stair flights an IfcStairFlightType object can fulfill:

- STRAIGHT: A stair flight with a straight walking line.
- WINDER: A stair flight with a straight walking line.
- SPIRAL: A stair flight with a circular or elliptic walking line.
- CURVED: A stair flight with a curved walking line.
- FREEFORM: A stair flight with a free form walking line (and outer boundaries).
- USERDEFINED: User-defined stair flight .
- NOTDEFINED: Undefined stair flight .

> HISTORY: New Enumeration in Release IFC2x Edition 2.

EXPRESS specification:

TYPE IfcStairFlightTypeEnum = ENUMERATION OF
( | STRAIGHT, WINDER, SPIRAL, CURVED, FREEFORM, USERDEFINED, NOTDEFINED);
END_TYPE;