IFC 4.3.x development

5.4.2.16 IfcInternalOrExternalEnum

5.4.2.16.1 Semantic definitions at the entity

This enumeration defines the different types of space boundaries in terms of either being inside the building or outside the building.

HISTORY  New enumeration in IFC2.0

IFC4 CHANGE  Enumeration no longer applicable to IfcSpace. The following enumerators are added: EXTERNAL_EARTH, EXTERNAL_WATER, EXTERNAL_FIRE.

Items

INTERNAL

The space boundary faces a physical or virtual element where there is an internal space on the other side.

EXTERNAL

The space boundary faces a physical or virtual element where there is an external space on the other side.

EXTERNAL_EARTH

The space boundary faces a physical or virtual element where there is earth (or terrain) on the other side.

EXTERNAL
EXTERNAL
NOTDEFINED

No information available.

5.4.2.16.1 Formal representations

TYPE IfcInternalOrExternalEnum = ENUMERATION OF
	(INTERNAL
	,EXTERNAL
	,EXTERNAL_EARTH
	,EXTERNAL_WATER
	,EXTERNAL_FIRE
	,NOTDEFINED);
END_TYPE;