8.9.3.11 IfcBoundedSurface
AbV ⓘ
ABSTRACT This definition may not be instantiated
8.9.3.11.1 Semantic definition
An IfcBoundedSurface is a surface of finite area.
Informal Propositions
- A bounded surface has finite non-zero surface area.
- A bounded surface has boundary curves.
8.9.3.11.2 Entity inheritance
-
- IfcSurface
- IfcAnnotationFillArea
- IfcBooleanResult
- IfcBoundingBox
- IfcCartesianPointList
- IfcCartesianTransformationOperator
- IfcCsgPrimitive3D
- IfcCurve
- IfcDirection
- IfcFaceBasedSurfaceModel
- IfcFillAreaStyleHatching
- IfcFillAreaStyleTiles
- IfcGeometricSet
- IfcHalfSpaceSolid
- IfcLightSource
- IfcPlacement
- IfcPlanarExtent
- IfcPoint
- IfcSectionedSpine
- IfcSegment
- IfcShellBasedSurfaceModel
- IfcSolidModel
- IfcTessellatedItem
- IfcTextLiteral
- IfcVector
8.9.3.11.3 Attributes
| # | Attribute | Type | Description |
|---|---|---|---|
| IfcRepresentationItem (2) | |||
| 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. |
|
| Click to show 2 hidden inherited attributes Click to hide 2 inherited attributes | |||
| IfcSurface (1) | |||
| * | Dim | IfcDimensionCount |
This attribute is formally derived. The space dimensionality of IfcSurface. It is always a three-dimensional geometric representation item. |
8.9.3.11.4 Formal representation
ENTITY IfcBoundedSurface
ABSTRACT SUPERTYPE OF (ONEOF
(IfcBSplineSurface
,IfcCurveBoundedPlane
,IfcCurveBoundedSurface
,IfcRectangularTrimmedSurface))
SUBTYPE OF (IfcSurface);
END_ENTITY;