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IfcLayerSetDirectionEnum

Definition from IAI: Identification of the axis of element geometry denoting the layer set thickness direction.

ENUMERATION
Axis1 : Usually x-axis
Axis2 : Usually y-axis
Axis3 :Usually z-axis

HISTORY New Enumeration in IFC 2.x.
ISSUE See issue and change log for changes made in IFC 2x.

EXPRESS specification:

TYPE IfcLayerSetDirectionEnum = ENUMERATION OF
( AXIS1,
AXIS2,
AXIS3);
END_TYPE;

References (1):

Name Type Referred through Express-G
IfcMaterialLayerSetUsage Entity
Attribute 'LayerSetDirection'
Diagram 1