5.4.2.11 IfcFacilityUsageEnum

5.4.2.11.1 Semantic definition

This container defines the different usage types of conveyor segments that can further specify an IfcFacilityPart.

Type	Description
`LATERAL`	A Lateral usage implies a facility part is a lateral (left, right, centre etc.) subdivision of a longitudinal segment or facility. Common uses include traffic lanes, road or rail side embankments etc.
`LONGITUDINAL`	A longitudinal usage implies a subdivision along a linear facility where the part has a defined start and end along the facility alignment(s).
`REGION`	A regional usage implies a bounded subdivision in the "X-Y plane" of a parent IfcSpatialStructureElement. The parent IfcSpatialStructureElement can be longitudinal or regional in nature.
`VERTICAL`	A vertical usage implies a subdivision in the "Z plane" usually signifying a defined elevation level or controlled volume within a segment of the Z plane.
`USERDEFINED`	User-defined type.
`NOTDEFINED`	Undefined type.

Table A

TYPE IfcFacilityUsageEnum = ENUMERATION OF
(LATERAL
,LONGITUDINAL
,REGION
,VERTICAL
,USERDEFINED
,NOTDEFINED);
END_TYPE;