IfcNavigationElementTypeEnum

Item	Change	Description
IFC4x2 to IFC4x3_RC1
IfcNavigationElementTypeEnum	ADDED
IFC4x3_RC3 to IFC4x3_RC4
IfcNavigationElementTypeEnum	MOVED	Schema changed from IFCPORTSANDWATERWAYS to IFCPORTSANDWATERWAYSDOMAIN.

Semantic definitions at the type

Type definition

This container defines the different predefined types of navigation elements that can further specify an IfcNavigationElement or IfcNavigationElementType.

Enumeration definition

Constant	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.

Formal representations

XML Specification

 <xs:simpleType name="IfcNavigationElementTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="beacon"/>

   <xs:enumeration value="buoy"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcNavigationElementTypeEnum = ENUMERATION OF (

 BEACON, 
 BUOY, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram