8.20.3.18 IfcVertex
8.20.3.18.1 Semantic definition
Informal Propositions:
- The vertex has dimensionality 0. This is a fundamental property of the vertex.
- The extent of a vertex is defined to be zero.
8.20.3.18.2 Entity inheritance
8.20.3.18.3 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. |
|
8.20.3.18.4 Formal representation
ENTITY IfcVertex
SUPERTYPE OF (ONEOF
(IfcVertexPoint))
SUBTYPE OF (IfcTopologicalRepresentationItem);
END_ENTITY;