NOTE Definition according to ISO/CD 10303-42:1992

A vertex point is a vertex which has its geometry defined as a point.NOTE Entity adapted from

vertex_pointdefined in ISO 10303-42.HISTORY New entity in IFC2x.

Informal Propositions:

- The domain of the vertex is formally defined to be the domain of its vertex point.

# | Attribute | Type | Description |
---|---|---|---|

IfcRepresentationItem | |||

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. | |

IfcTopologicalRepresentationItem | |||

IfcVertex | |||

IfcVertexPoint | |||

1 | VertexGeometry | IfcPoint | The geometric point, which defines the position in geometric space of the vertex. |

ENTITY IfcVertexPoint SUBTYPE OF (IfcVertex); VertexGeometry : IfcPoint; END_ENTITY;