IFC 4.3.0.1 (IFC4X3) development

8.13.3.3 IfcPlanarExtent

8.13.3.3.1 Semantic definition

The planar extent defines the extent along the two axes of the two-dimensional coordinate system, independently of its position. If the planar extent is used within a three-dimensional coordinate system, it defines the extent along the x and y axes.

8.13.3.3.2 Entity inheritance

8.13.3.3.3 Attributes

# Attribute Type Description
IfcRepresentationItem (2)
LayerAssignment SET [0:1] OF IfcPresentationLayerAssignment FOR AssignedItems

Assignment of the representation item to a single or multiple layer(s). The LayerAssignments can override a LayerAssignments of the IfcRepresentation it is used within the list of Items.

StyledByItem SET [0:1] OF IfcStyledItem FOR Item

Reference to the IfcStyledItem that provides presentation information to the representation, e.g. a curve style, including colour and thickness to a geometric curve.

Click to show 2 hidden inherited attributes Click to hide 2 inherited attributes
IfcPlanarExtent (2)
1 SizeInX IfcLengthMeasure

The extent in the direction of the x-axis.

2 SizeInY IfcLengthMeasure

The extent in the direction of the y-axis.

Table 8.13.3.3.A

8.13.3.3.4 Formal representation

ENTITY IfcPlanarExtent
 SUPERTYPE OF (ONEOF
	(IfcPlanarBox))
 SUBTYPE OF (IfcGeometricRepresentationItem);
	SizeInX : IfcLengthMeasure;
	SizeInY : IfcLengthMeasure;
END_ENTITY;

8.13.3.3.5 References

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