IfcColumnTypeEnum

Definition from IAI: This enumeration defines the different types of linear elements an IfcColumnType object can fulfill:

- COLUMN: A standard column element usually used vertically.
- USERDEFINED: User-defined linear element.
- NOTDEFINED: Undefined linear element

> NOTE: This enumeration has been mainly introduced to allow further detailing of the type information in future releases of IFC.

> HISTORY: New Enumeration in Release IFC2x Edition 2.

EXPRESS specification:

TYPE IfcColumnTypeEnum = ENUMERATION OF
( | COLUMN, USERDEFINED, NOTDEFINED);
END_TYPE;