IFC 4.3.2.20250905 (IFC4X3_ADD2) under development

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4.2.2.2.7 Linear Segment

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

%3 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCurveSegment.htm'>IfcCurveSegment</a> IfcCurveSegment      LayerAssignment [0:1]      StyledByItem [0:1] 1. Transition [1:1]      UsingCurves [1:?] 2. Placement [1:1] 3. SegmentStart [1:1] 4. SegmentLength [1:1] 5. ParentCurve [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcPolyline.htm'>IfcPolyline</a> IfcPolyline      LayerAssignment [0:1]      StyledByItem [0:1] 1. Points [2:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCurveSegment.htm'>IfcCurveSegment</a>:ParentCurve1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcPolyline.htm'>IfcPolyline</a>:IfcPolyline0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcLine.htm'>IfcLine</a> IfcLine      LayerAssignment [0:1]      StyledByItem [0:1] 1. Pnt [1:1] 2. Dir [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCurveSegment.htm'>IfcCurveSegment</a>:ParentCurve1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcLine.htm'>IfcLine</a>:IfcLine0 IfcLengthMeasure_0 IfcLengthMeasure <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCurveSegment.htm'>IfcCurveSegment</a>:SegmentStart1->IfcLengthMeasure_0:IfcLengthMeasure0 IfcLengthMeasure_1 IfcLengthMeasure <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCurveSegment.htm'>IfcCurveSegment</a>:SegmentLength1->IfcLengthMeasure_1:IfcLengthMeasure0
Figure 4.2.2.2.7.A

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