|Topologische Repräsentation - Element|
|Topological Representation Item|
|Item de représentation topologique|
NOTE Definition according to ISO/CD 10303-42:1992
The topological representation item is the supertype for all the topological representation items in the geometry resource.
NOTE Entity adapted from topological_representation_item defined in ISO 10303-42.
HISTORY New entity in IFC1.5
|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 LayerAssignments has been added.
IFC4 CHANGE The inverse attribute LayerAssignment has been restricted to max 1. Upward compatibility for file based exchange is guaranteed.
|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 StyledByItem has been added.
<xs:element name="IfcTopologicalRepresentationItem" type="ifc:IfcTopologicalRepresentationItem" abstract="true" substitutionGroup="ifc:IfcRepresentationItem" nillable="true"/>
<xs:complexType name="IfcTopologicalRepresentationItem" abstract="true">