Vertexpunkt - Topologie | |

Vertex Point | |

Sommet (point) |

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 fromvertex_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 | Cardinality | Description | G |
---|---|---|---|---|---|

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

# | Attribute | Type | Cardinality | Description | G |
---|---|---|---|---|---|

IfcRepresentationItem | |||||

LayerAssignment | IfcPresentationLayerAssignment @AssignedItems | S[0:1] | 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 IFC4 CHANGE The inverse attribute | X | |

StyledByItem | IfcStyledItem @Item | S[0:1] | 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 | X | |

IfcTopologicalRepresentationItem | |||||

IfcVertex | |||||

IfcVertexPoint | |||||

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

` <xs:element name="IfcVertexPoint" type="ifc:IfcVertexPoint" substitutionGroup="ifc:IfcVertex" nillable="true"/>`

<xs:complexType name="IfcVertexPoint">

<xs:complexContent>

<xs:extension base="ifc:IfcVertex">

<xs:sequence>

<xs:element name="VertexGeometry" type="ifc:IfcPoint" nillable="true"/>

</xs:sequence>

</xs:extension>

</xs:complexContent>

</xs:complexType>

References: IfcPointOrVertexPoint