OCCT 8.0.1
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    Open CASCADE Technology Reference Manual 8.0.1
    Convert_EllipseToBSplineCurve.hxx File Reference

    Data Structures

    class  Convert_EllipseToBSplineCurve
     This algorithm converts a ellipse into a rational B-spline curve. The ellipse is represented an Elips2d from package gp with the parametrization : P (U) = Loc + (MajorRadius * std::cos(U) * Xdir + MinorRadius * std::sin(U) * Ydir) where Loc is the center of the ellipse, Xdir and Ydir are the normalized directions of the local cartesian coordinate system of the ellipse. The parametrization range is U [0, 2PI]. KeyWords : Convert, Ellipse, BSplineCurve, 2D . More...