8.13.3.2 IfcPlanarBox
8.13.3.2.1 Semantic definition
A planar box specifies an arbitrary rectangular box and its location in a two dimensional Cartesian coordinate system. If the planar box is used within a three-dimensional coordinate system, it defines the rectangular box within the XY plane.
8.13.3.2.2 Entity inheritance
-
- IfcPlanarExtent
- IfcAnnotationFillArea
- IfcBooleanResult
- IfcBoundingBox
- IfcCartesianPointList
- IfcCartesianTransformationOperator
- IfcCsgPrimitive3D
- IfcCurve
- IfcDirection
- IfcFaceBasedSurfaceModel
- IfcFillAreaStyleHatching
- IfcFillAreaStyleTiles
- IfcGeometricSet
- IfcHalfSpaceSolid
- IfcLightSource
- IfcPlacement
- IfcPoint
- IfcSectionedSpine
- IfcSegment
- IfcShellBasedSurfaceModel
- IfcSolidModel
- IfcSurface
- IfcTessellatedItem
- IfcTextLiteral
- IfcVector
8.13.3.2.3 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. |
|
| IfcPlanarExtent (2) | |||
| 1 | SizeInX | IfcLengthMeasure |
The extent in the direction of the x-axis. |
| 2 | SizeInY | IfcLengthMeasure |
The extent in the direction of the y-axis. |
| Click to show 4 hidden inherited attributes Click to hide 4 inherited attributes | |||
| IfcPlanarBox (1) | |||
| 3 | Placement | IfcAxis2Placement |
The IfcAxis2Placement positions a local coordinate system for the definition of the rectangle. The origin of this local coordinate system serves as the lower left corner of the rectangular box. |
8.13.3.2.4 Formal representation
ENTITY IfcPlanarBox
SUBTYPE OF (IfcPlanarExtent);
Placement : IfcAxis2Placement;
END_ENTITY;