IfcConstraintEnum

类型定义

IfcConstraintNum是用于限定约束的枚举。

IFC2.0中的新枚举

Enumeration definition

Constant	Description
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	A user-defined grade indicated by a separate attribute at the referencing entity.
NOTDEFINED	Grade has not been specified.

EXPRESS Specification

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

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标签：set,Qualifies,followed,within,IfcConstraintEnum,such
From： https://www.cnblogs.com/herd/p/17559450.html