IFC 4.3.0.1 (IFC4X3) development

7.4.2.17 IfcLightFixtureTypeEnum

7.4.2.17.1 Semantic definition

The IfcLightFixtureTypeEnum defines the different types of light fixtures.

7.4.2.17.2 Type values

Type Description
DIRECTIONSOURCE

A light fixture that is considered to have a length or surface area from which it emits light in a direction. A light fixture containing one or more fluorescent lamps is an example of a direction source.

POINTSOURCE

A light fixture that is considered to have negligible area and that emit light with approximately equal intensity in all directions. A light fixture containing a tungsten, halogen or similar bulb is an example of a point source.

SECURITYLIGHTING

A light fixture having specific purpose of directing occupants in an emergency, such as an illuminated exit sign or emergency flood light.

USERDEFINED

User-defined type.

NOTDEFINED

Undefined type.

Table 7.4.2.17.A

7.4.2.17.3 Formal representation

TYPE IfcLightFixtureTypeEnum = ENUMERATION OF
	(DIRECTIONSOURCE
	,POINTSOURCE
	,SECURITYLIGHTING
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;

7.4.2.17.4 References

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7.4.2.17.5 Changelog

  • item, SECURITYLIGHTING