IFC 4.3.1.0 (IFC4X3_ADD1)

8.9.3.23 IfcConic

ABSTRACT This definition may not be instantiated

8.9.3.23.1 Semantic definition

An IfcConic is a parameterized planar curve.

8.9.3.23.2 Entity inheritance

8.9.3.23.3 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.

IfcCurve (1)
* Dim IfcDimensionCount

This attribute is formally derived.

IfcCurveDim(SELF)

The space dimensionality of this abstract class, defined differently for all subtypes, i.e. for IfcLine, IfcConic and IfcBoundedCurve.

Click to show 3 hidden inherited attributes Click to hide 3 inherited attributes
IfcConic (1)
1 Position IfcAxis2Placement

The location and orientation of the conic. Further details of the interpretation of this attribute are given for the individual subtypes."

Table 8.9.3.23.A

8.9.3.23.4 Formal representation

ENTITY IfcConic
 ABSTRACT SUPERTYPE OF (ONEOF
	(IfcCircle
	,IfcEllipse))
 SUBTYPE OF (IfcCurve);
	Position : IfcAxis2Placement;
END_ENTITY;

8.9.3.23.5 References