IfcConstraintEnum

Definition from IAI: An IfcConstraintEnum is an enumeration used to qualify a constraint.

> HISTORY: New type in IFC Release 2.0

Enumeration

Value | Definition
HARD | Qualifies a constraint such that it must be followed rigidly within or at the values set.
SOFT | Qualifies a constraint such that it should be followed within or at the values set.
ADVISORY | Qualifies a constraint such that it is advised that it is followed within or at the values set.

EXPRESS specification:

TYPE IfcConstraintEnum = ENUMERATION OF
( | HARD, SOFT, ADVISORY, USERDEFINED, NOTDEFINED);
END_TYPE;