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;