5.4.2.15 IfcInternalOrExternalEnum

5.4.2.15.1 Semantic definition

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

{ .change-ifc2x4}

Type	Description
`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_FIRE`	The space boundary faces a physical or virtual element where there is another building on the other side.
`EXTERNAL_WATER`	The space boundary faces a physical or virtual element where there is water (water component of terrain) on the other side.
`INTERNAL`	The space boundary faces a physical or virtual element where there is an internal space on the other side.
`NOTDEFINED`	No information available.

Table A

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