ABSTRACT This definition may not be instantiated
An IfcElementarySurface in the common supertype of analytical surfaces.
|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.
This attribute is formally derived.
The space dimensionality of IfcSurface. It is always a three-dimensional geometric representation item.
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The position and orientation of the surface. This attribute is used in the definition of the parameterization of the surface.
ENTITY IfcElementarySurface ABSTRACT SUPERTYPE OF (ONEOF (IfcCylindricalSurface ,IfcPlane ,IfcSphericalSurface ,IfcToroidalSurface)) SUBTYPE OF (IfcSurface); Position : IfcAxis2Placement3D; END_ENTITY;