IFC 4.3.0.1 (IFC4X3) development

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.

5.4.2.11.2 Type values

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 longitidunal 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 5.4.2.11.A

5.4.2.11.3 Formal representation

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

5.4.2.11.4 References

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