8.20.3.19 IfcVertexLoop
8.20.3.19.1 Semantic definition
Informal Propositions:
- A vertex loop has zero extent and dimensionality.
- The vertex loop has genus 0.
8.20.3.19.2 Entity inheritance
8.20.3.19.3 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 | |||
| IfcVertexLoop (1) | |||
| 1 | LoopVertex | IfcVertex |
The vertex which defines the entire loop. |
8.20.3.19.4 Formal representation
ENTITY IfcVertexLoop
SUBTYPE OF (IfcLoop);
LoopVertex : IfcVertex;
END_ENTITY;