IFC 4.3.2.20240128 (IFC4X3_ADD2) under development

8.20.3.3 IfcConnectedFaceSet

8.20.3.3.1 Semantic definition

Informal Propositions

  1. The union of the domains of the faces and their bounding loops shall be arcwise connected.

8.20.3.3.2 Entity inheritance

8.20.3.3.3 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
IfcConnectedFaceSet (1)
1 CfsFaces SET [1:?] OF IfcFace

The set of faces arcwise connected along common edges or vertices.

Table 8.20.3.3.B

8.20.3.3.4 Examples

8.20.3.3.5 Formal representation

ENTITY IfcConnectedFaceSet
 SUPERTYPE OF (ONEOF
	(IfcClosedShell
	,IfcOpenShell))
 SUBTYPE OF (IfcTopologicalRepresentationItem);
	CfsFaces : SET [1:?] OF IfcFace;
END_ENTITY;

8.20.3.3.6 References

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