IfcGridPlacementDirectionSelect

Natural language names
Grid Placement Direction Select
Sélection de la direction du placement de la grille
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcGridPlacementDirectionSelectADDED
IFC2x3 to IFC4 4.0.0.0
    IfcGridPlacementDirectionSelectADDED
Semantic definitions at the type
Type definition

IfcGridPlacementDirectionSelect enables the choice of defining a grid placement be either an explicit direction, or by referencing a second grid intersection to provide the direction.

HISTORY   New select type in IFC4.

Select definition
TypeDescription
IfcVirtualGridIntersection
IfcDirection
Formal representations
XML Specification
 <xs:group name="IfcGridPlacementDirectionSelect">
  <xs:choice>
   <xs:element ref="ifc:IfcDirection"/>
   <xs:element ref="ifc:IfcVirtualGridIntersection"/>
  </xs:choice>
 </xs:group>
EXPRESS Specification
TYPE IfcGridPlacementDirectionSelect = SELECT (
 IfcVirtualGridIntersection,
 IfcDirection);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcGridPlacement

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