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. |
7.4.2.17.3 Formal representation
TYPE IfcLightFixtureTypeEnum = ENUMERATION OF
(DIRECTIONSOURCE
,POINTSOURCE
,SECURITYLIGHTING
,USERDEFINED
,NOTDEFINED);
END_TYPE;