#### 8.4.2.2 IfcAxis2Placement

The IfcAxis2Placement allows for the choice of various placement entities.

> NOTE Definition according to ISO/CD 10303-42:1992
> This select type represents the placing of mutually perpendicular axes in two-dimensional or in threedimensional Cartesian space.
> This select type enables entities requiring axis placement information to reference the axes without specifying the space dimensionality.

> NOTE Type adapted from axis2_placement defined in ISO 10303-42.

> HISTORY New type in IFC1.5

XSD Specification:

<xs:group name="IfcAxis2Placement">
<xs:choice>
<xs:element ref="ifc:IfcAxis2Placement3D"/>
</xs:choice>
</xs:group>

EXPRESS Specification:

TYPE IfcAxis2Placement = SELECT (
| IfcAxis2Placement3D);
END_TYPE;

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