8.20.3.3 IfcConnectedFaceSet

8.20.3.3.1 Semantic definition

{ .extDef}

Informal Propositions

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. IFC2x3-CHANGE The inverse attribute LayerAssignments has been added. IFC4-CHANGE The inverse attribute LayerAssignment has been restricted to max 1. Upward compatibility for file based exchange is guaranteed.
	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. IFC2x3-CHANGE The inverse attribute StyledByItem has been added.
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 A

8.20.3.3.4 Formal representation

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

8.20.3.3 IfcConnectedFaceSet

8.20.3.3.1 Semantic definition

8.20.3.3.2 Entity inheritance

8.20.3.3.3 Attributes

8.20.3.3.4 Formal representation

8.20.3.3.5 References