Definition from IAI: This enumeration defines the applicable
object categories (i.e. the subtypes at the 2nd level of the IFC
inheritance tree) . Attached to an object, it indicates to which subtype of
IfcObject the entity referencing it would otherwise comply with.
HISTORY New entitiy in IFC
Release 1.0, has been renamed from IfcProxyEnum in IFC 2x.
|TYPE IfcObjectTypeEnum = ENUMERATION OF