IfcGlobalOrLocalEnum

Semantic definitions at the type

Type definition

This enumeration type defines if the local object coordinate system or the global world coordinate system for the project is used to describe the measure values of entities which have a reference to this type.

NOTE The world coordinate system is given by the IfcGeometricRepresentationContext.WorldCoordinateSystem and is unique within the project. The local (or object) coordinate system is given by IfcProduct.ObjectPlacement and is used by all IfcRepresentation's within the IfcProduct.Representation.

HISTORY New enumeration in IFC2x2.

Enumeration definition

Constant	Description
GLOBAL_COORDS	The global project coordinate system is used.
LOCAL_COORDS	The local object coordinate system is used.

Formal representations

XML Specification

 <xs:simpleType name="IfcGlobalOrLocalEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="global_coords"/>

   <xs:enumeration value="local_coords"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcGlobalOrLocalEnum = ENUMERATION OF (

 GLOBAL_COORDS, 
 LOCAL_COORDS);
END_TYPE;


 EXPRESS-G diagram