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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.
USERDEFINED
NOTDEFINED

EXPRESS specification:

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