IfcInternalOrExternalEnum

Definition from IAI: This enumeration defines the different types of spaces or space boundaries in terms of either being inside the building or outside the building.

Enumeration:

INTERNAL | IfcSpace | The space is an internal space, fully enclosed by physical boundaries (directly or indirectly through adjacent spaces).
| IfcSpaceBoundary | The space boundary faces to the inside of an internal space.
EXTERNAL | IfcSpace | The space is an external space, not (or only partially) enclosed by physical boundaries.
| IfcSpaceBoundary | The space boundary faces to the outer space, or the inside of an external space.
NOTDEFINED |  | No information available.

> HISTORY: New enumeration in IFC Release 2.0

EXPRESS specification:

TYPE IfcInternalOrExternalEnum = ENUMERATION OF
( | INTERNAL, EXTERNAL, NOTDEFINED);
END_TYPE;