IFC 4.3.2.20240809 (IFC4X3_ADD2) under development

6.1.2.20 IfcStairFlightTypeEnum

6.1.2.20.1 Semantic definition

This enumeration defines the different types of stair flights that can further specify an IfcStairFlight or IfcStairFlightType.

6.1.2.20.2 Type values

Type Description
CURVED

A stair flight with a curved walking line.

FREEFORM

A stair flight with a free form walking line (and outer boundaries).

SPIRAL

A stair flight with a circular or elliptic walking line.

STRAIGHT

A stair flight with a straight walking line.

WINDER

A stair flight with a walking line including straight and curved sections.

USERDEFINED

User-defined stair flight.

NOTDEFINED

Undefined stair flight.

Table 6.1.2.20.A

6.1.2.20.3 Formal representation

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

6.1.2.20.4 References

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