8.20.3.3 IfcConnectedFaceSet
AbV ⓘ
8.20.3.3.1 Semantic definition
Definition according to ISO/CD 10303-42:1992 A connected_face_set is a set of faces such that the domain of faces together with their bounding edges and vertices is connected. Entity adapted from connected_face_set defined in ISO 10303-42. New entity in IFC1.0Informal 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. The inverse attribute LayerAssignments has been added. 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. 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. |
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;