IfcPlanarBox

Definition from ISO/CD 10303-46:1992: A planar box specifies an arbitrary rectangular box and its location in a two dimensional Cartesian coordinate system.

NOTE Corresponding STEP name: planar_box. Please refer to ISO/IS 10303-46:1994, p. 141 for the final definition of the formal standard.

HISTORY New entity in Release IFC2x Edition 2.

EXPRESS specification:

ENTITY IfcPlanarBox

SUBTYPE OF (

IfcPlanarExtent);

Placement

IfcAxis2Placement;

END_ENTITY;

Attribute definitions:

Placement

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.

NOTE In case of a 3D placement by IfcAxisPlacement3D the IfcPlanarBox is defined within the xy plane of the definition coordinate system.

Inheritance graph

ENTITY IfcPlanarBox;

ENTITY IfcRepresentationItem;

INVERSE

LayerAssignments

SET OF IfcPresentationLayerAssignment FOR AssignedItems;

StyledByItem

SET [0:1] OF IfcStyledItem FOR Item;

ENTITY IfcGeometricRepresentationItem;

ENTITY IfcPlanarExtent;

SizeInX

IfcLengthMeasure;

SizeInY

IfcLengthMeasure;

ENTITY IfcPlanarBox;

Placement

IfcAxis2Placement;

END_ENTITY;