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gp_Pnt2d Geom2d_Curve::Value ( const Standard_Real  U  )  const [inherited]

Computes the point of parameter U on <me>.
If the curve is periodic then the returned point is P(U) with
U = Ustart + (U - Uend) where Ustart and Uend are the
parametric bounds of the curve.

it is implemented with D0.
Raised only for the "OffsetCurve" if it is not possible to
compute the current point. For example when the first
derivative on the basis curve and the offset direction
are parallel.

Definition at line 70 of file Geom2d_Curve.cxx.

References Geom2d_Curve::D0().

Referenced by Bisector_BisecPC::Bisector_BisecPC(), ShapeAnalysis_Wire::CheckGap2d(), ShapeAnalysis_Wire::CheckGap3d(), Geom2d_BSplineCurve::EndPoint(), ShapeAnalysis_Curve::FillBndBox(), ShapeAnalysis_Curve::GetSamplePoints(), IsClosed(), BRep_Tool::Parameter(), Bisector_BisecPC::Perform(), MAT2d_CutCurve::Perform(), Geom2d_BSplineCurve::PeriodicNormalization(), BRep_Builder::Range(), Geom2d_BezierCurve::Segment(), Geom2d_BSplineCurve::SetKnot(), and Geom2d_BSplineCurve::StartPoint().

  gp_Pnt2d P;
  return P;

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