IFC 4.3.0.1 (IFC4X3) development

8.9.3.48 IfcPoint

ABSTRACT This definition may not be instantiated

8.9.3.48.1 Semantic definition

The IfcPoint is the abstract generalisation of all point representations within a Cartesian coordinate system.

8.9.3.48.2 Entity inheritance

8.9.3.48.3 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.

Table 8.9.3.48.A

8.9.3.48.4 Formal representation

ENTITY IfcPoint
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcCartesianPoint
	,IfcPointByDistanceExpression
	,IfcPointOnCurve
	,IfcPointOnSurface))
 SUBTYPE OF (IfcGeometricRepresentationItem);
END_ENTITY;

8.9.3.48.5 References

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