Begrenzte Kurve | |

Bounded Curve | |

Courbe englobée |

An IfcBoundedCurve is a curve of finite length.

NOTE Definition according to ISO/CD 10303-42:1992

A bounded curve is a curve of finite arc length with identifiable end points.

NOTE Entity adapted frombounded_curvedefined in ISO10303-42.

HISTORY New entity in IFC1.0

Informal Propositions:

- A bounded curve has finite arc length.
- A bounded curve has a start point and an end point.

# | Attribute | Type | Cardinality | Description | G |
---|---|---|---|---|---|

PositioningElement | IfcLinearPositioningElement @Axis | ? | X |

# | Attribute | Type | Cardinality | Description | G |
---|---|---|---|---|---|

IfcRepresentationItem | |||||

LayerAssignment | IfcPresentationLayerAssignment @AssignedItems | 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 IFC4 CHANGE The inverse attribute | X | |

StyledByItem | IfcStyledItem @Item | 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 | X | |

IfcGeometricRepresentationItem | |||||

IfcCurve | |||||

Dim :=IfcCurveDim(SELF) | IfcDimensionCount | The space dimensionality of this abstract class, defined differently for all subtypes, i.e. for IfcLine, IfcConic and IfcBoundedCurve. | X | ||

IfcBoundedCurve | |||||

PositioningElement | IfcLinearPositioningElement @Axis | ? | X |

` <xs:element name="IfcBoundedCurve" type="ifc:IfcBoundedCurve" abstract="true" substitutionGroup="ifc:IfcCurve" nillable="true"/>`

<xs:complexType name="IfcBoundedCurve" abstract="true">

<xs:complexContent>

<xs:extension base="ifc:IfcCurve"/>

</xs:complexContent>

</xs:complexType>

```
ENTITY IfcBoundedCurve
```

ABSTRACT SUPERTYPE OF(ONEOF(IfcAlignmentCurve, IfcBSplineCurve, IfcCompositeCurve, IfcCurveSegment2D, IfcIndexedPolyCurve, IfcPolyline, IfcTrimmedCurve))

SUBTYPE OF (IfcCurve)**;**

INVERSE

PositioningElement : IfcLinearPositioningElement FOR Axis;

END_ENTITY;

References: IfcCurveOrEdgeCurve IfcPolygonalBoundedHalfSpace IfcArbitraryOpenProfileDef