IfcDirectionSenseEnum是一个枚举，表示沿给定轴方向感是正的还是负的。

IFC2x中的历史新类型。

 

Enumeration definition


Constant

Description

POSITIVE

Direction defined to be positive.

NEGATIVE

Direction defined to be negative.


 

 

 

 

EXPRESS Specification



TYPE IfcDirectionSenseEnum = ENUMERATION OF (
 POSITIVE,
 NEGATIVE);
END_TYPE;