IFC 4.3.0.1 (IFC4X3) development

7.1.2.3 IfcPermeableCoveringOperationEnum

7.1.2.3.1 Semantic definition

This enumeration defines the valid types of permeable coverings.

7.1.2.3.2 Type values

Type Description
GRILL

Protective screen of metal bars or wires.

LOUVER

Set of fixed or movable strips of wood, metal, etc. arranged to let air in while keeping light or rain out.

SCREEN

Upright, fixed or movable, sometimes folding framework used for protection against heat, light, access or similar.

USERDEFINED

User defined permeable covering type.

NOTDEFINED

No information available.

Table 7.1.2.3.A

7.1.2.3.3 Formal representation

TYPE IfcPermeableCoveringOperationEnum = ENUMERATION OF
	(GRILL
	,LOUVER
	,SCREEN
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;

7.1.2.3.4 References

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