IFC 4.3.x development

8.9.2.2 IfcAxis2Placement

8.9.2.2.1 Semantic definitions at the entity

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

8.9.2.2.1 Formal representations

TYPE IfcAxis2Placement = SELECT
	(IfcAxis2Placement2D
	,IfcAxis2Placement3D);
END_TYPE;