IFC 4.3.0.0 (IFC4X3) final

4.7.1.2.1 Arc Segment

The following diagram shows the generic classes and relationships used when applying this concept.

G IfcCurveSegment IfcCurveSegment LayerAssignment [0:1] StyledByItem [0:1] Transition [1:1] UsingCurves [1:?] Placement [1:1] SegmentStart [1:1] SegmentLength [1:1] ParentCurve [1:1] IfcCircle IfcCircle LayerAssignment [0:1] StyledByItem [0:1] Position [1:1] Radius [1:1] IfcCurveSegment:ParentCurve1->IfcCircle:IfcCircle0 IfcParameterValue_0 IfcParameterValue IfcCurveSegment:SegmentStart1->IfcParameterValue_0:IfcParameterValue0 IfcParameterValue_1 IfcParameterValue IfcCurveSegment:SegmentLength1->IfcParameterValue_1:IfcParameterValue0 IfcPositiveLengthMeasure IfcPositiveLengthMeasure IfcCircle:Radius1->IfcPositiveLengthMeasure:IfcPositiveLengthMeasure0
Figure 4.7.1.2.1.A