IfcTopologicalRepresentationItem

Definition from ISO/CD 10303-42:1992: The topological representation item is the supertype for all the topological representation items in the geometry resource.

NOTE: Corresponding STEP entity: topological_representation_item. Please refer to ISO/IS 10303-42:1994, p.129 for the final definition of the formal standard.

HISTORY: New entity in IFC Release 1.5

EXPRESS specification:

ENTITY IfcTopologicalRepresentationItem

ABSTRACT SUPERTYPE OF

(ONEOF(IfcConnectedFaceSet, IfcEdge, IfcFace, IfcFaceBound, IfcPath, IfcVertex, IfcLoop))

SUBTYPE OF (

IfcRepresentationItem);

END_ENTITY;

Inheritance graph

ENTITY IfcTopologicalRepresentationItem;

ENTITY IfcRepresentationItem;

INVERSE

LayerAssignments

SET OF IfcPresentationLayerAssignment FOR AssignedItems;

StyledByItem

SET [0:1] OF IfcStyledItem FOR Item;

ENTITY IfcTopologicalRepresentationItem;

END_ENTITY;