IfcVertexPoint

Definition from ISO/CD 10303-42:1992: A vertex point is a vertex which has its geometry defined as a point.

NOTE: Corresponding STEP entity: vertex_point. Please refer to ISO/IS 10303-42:1994, p. 130 for the final definition of the formal standard. Due to the general IFC model specification rule not to use multiple inheritance, the subtype relationship to geometric_representation_item is not included.

HISTORY: New Entity in IFC Release 2x.

Informal proposition:

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

EXPRESS specification:

ENTITY IfcVertexPoint

SUBTYPE OF (

IfcVertex);

VertexGeometry

IfcPoint;

END_ENTITY;

Attribute definitions:

VertexGeometry

The geometric point, which defines the position in geometric space of the vertex.

Inheritance graph

ENTITY IfcVertexPoint;

ENTITY IfcRepresentationItem;

INVERSE

LayerAssignments

SET OF IfcPresentationLayerAssignment FOR AssignedItems;

StyledByItem

SET [0:1] OF IfcStyledItem FOR Item;

ENTITY IfcTopologicalRepresentationItem;

ENTITY IfcVertex;

ENTITY IfcVertexPoint;

VertexGeometry

IfcPoint;

END_ENTITY;