/usr/include/oce/Convert_EllipseToBSplineCurve.hxx is in liboce-foundation-dev 0.18.2-2build1.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _Convert_EllipseToBSplineCurve_HeaderFile
#define _Convert_EllipseToBSplineCurve_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <Convert_ConicToBSplineCurve.hxx>
#include <Convert_ParameterisationType.hxx>
#include <Standard_Real.hxx>
class Standard_DomainError;
class gp_Elips2d;
//! 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 * Cos(U) * Xdir + MinorRadius * 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 .
class Convert_EllipseToBSplineCurve : public Convert_ConicToBSplineCurve
{
public:
DEFINE_STANDARD_ALLOC
//! The equivalent B-spline curve has the same orientation
//! as the ellipse E.
Standard_EXPORT Convert_EllipseToBSplineCurve(const gp_Elips2d& E, const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2);
//! The ellipse E is limited between the parametric values U1, U2.
//! The equivalent B-spline curve is oriented from U1 to U2 and has
//! the same orientation as E.
//!
//! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi
Standard_EXPORT Convert_EllipseToBSplineCurve(const gp_Elips2d& E, const Standard_Real U1, const Standard_Real U2, const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2);
protected:
private:
};
#endif // _Convert_EllipseToBSplineCurve_HeaderFile
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