#### IfcAxis2Placement

Natural language names

##### Semantic definitions at the type

Type definition

Definition from ISO/CD 10303-42:1992: This select type collects together both versions of the placement as used in two dimensional or in three dimensional Cartesian space. This enables entities requiring this information to reference them without specifying the space dimensionality.

> NOTE: Corresponding STEP type: axis2_placement, please refer to ISO/IS 10303-42:1994, p. 19 for the final definition of the formal standard.

> HISTORY: New type in IFC Release 1.5

Enumeration definition

Constant | Description
--- | ---
IfcAxis2Placement2D |
IfcAxis2Placement3D |

##### Formal representations

XSD Specification
`<xs:group name="IfcAxis2Placement">
<xs:choice>
<xs:element ref="ifc:IfcAxis2Placement2D"/>
<xs:element ref="ifc:IfcAxis2Placement3D"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcAxis2Placement = SELECT (
IfcAxis2Placement2D,
IfcAxis2Placement3D);
END_TYPE;

EXPRESS-G diagram

`

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