7.7.2.6 IfcNavigationElementTypeEnum
7.7.2.6.1 Semantic definition
This container defines the different predefined types of navigation elements that can further specify an IfcNavigationElement or IfcNavigationElementType.
7.7.2.6.2 Type values
| Type | Description | 
|---|---|
BEACON
 | 
 a fixed vertical structure serving as a navigation mark, to show reefs or other hazards, or provide navigational directions.  | 
BUOY
 | 
 an anchored floating structure serving as a navigation mark, to show reefs or other hazards, or provide navigational directions.  | 
USERDEFINED
 | 
 User-defined type  | 
NOTDEFINED
 | 
 Undefined type.  | 
7.7.2.6.3 Formal representation
TYPE IfcNavigationElementTypeEnum = ENUMERATION OF
	(BEACON
	,BUOY
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;