18.104.22.168.1 Semantic definition
- The vertex has dimensionality 0. This is a fundamental property of the vertex.
- The extent of a vertex is defined to be zero.
22.214.171.124.2 Entity inheritance
||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.
||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.
126.96.36.199.4 Formal representation
SUPERTYPE OF (ONEOF
SUBTYPE OF (IfcTopologicalRepresentationItem);