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. |
7.1.2.3.3 Formal representation
TYPE IfcPermeableCoveringOperationEnum = ENUMERATION OF
(GRILL
,LOUVER
,SCREEN
,USERDEFINED
,NOTDEFINED);
END_TYPE;