IFC 4.3.2.20250327 (IFC4X3_ADD2) under development

8.13.3.2 IfcPlanarBox

8.13.3.2.1 Semantic definition

A planar box specifies an arbitrary rectangular box and its location in a two dimensional Cartesian coordinate system. If the planar box is used within a three-dimensional coordinate system, it defines the rectangular box within the XY plane.

8.13.3.2.2 Entity inheritance

8.13.3.2.3 Attributes

# Attribute Type Description
IfcRepresentationItem (2)
IfcPlanarExtent (2)
Click to show 4 hidden inherited attributes
IfcPlanarBox (1)
3 Placement IfcAxis2Placement

The IfcAxis2Placement positions a local coordinate system for the definition of the rectangle. The origin of this local coordinate system serves as the lower left corner of the rectangular box.

Table 8.13.3.2.A

8.13.3.2.4 Formal representation

ENTITY IfcPlanarBox
SUBTYPE OF (IfcPlanarExtent);
Placement : IfcAxis2Placement;
END_ENTITY;

8.13.3.2.5 References