- The domain of the subedge is formally defined to be the domain of the parent edge, as trimmed by the subedge start vertex and subedge end vertex.
- The start vertex and end vertex shall be within the union of the domains of the vertices of the parent edge and the domain of the parent edge.
|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.
|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.
Start point (vertex) of the edge.
End point (vertex) of the edge. The same vertex can be used for both EdgeStart and EdgeEnd.
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The Edge, or Subedge, which contains the Subedge.
ENTITY IfcSubedge SUBTYPE OF (IfcEdge); ParentEdge : IfcEdge; END_ENTITY;