/usr/include/oce/Convert_EllipseToBSplineCurve.hxx is in liboce-foundation-dev 0.15-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineAlloc_HeaderFile
#include <Standard_DefineAlloc.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _Convert_ConicToBSplineCurve_HeaderFile
#include <Convert_ConicToBSplineCurve.hxx>
#endif
#ifndef _Convert_ParameterisationType_HeaderFile
#include <Convert_ParameterisationType.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
class Standard_DomainError;
class gp_Elips2d;
//! This algorithm converts a ellipse into a rational B-spline curve. <br>
//! The ellipse is represented an Elips2d from package gp with <br>
//! the parametrization : <br>
//! P (U) = <br>
//! Loc + (MajorRadius * Cos(U) * Xdir + MinorRadius * Sin(U) * Ydir) <br>
//! where Loc is the center of the ellipse, Xdir and Ydir are the <br>
//! normalized directions of the local cartesian coordinate system of <br>
//! the ellipse. The parametrization range is U [0, 2PI]. <br>
//! KeyWords : <br>
//! Convert, Ellipse, BSplineCurve, 2D . <br>
class Convert_EllipseToBSplineCurve : public Convert_ConicToBSplineCurve {
public:
DEFINE_STANDARD_ALLOC
//! The equivalent B-spline curve has the same orientation <br>
//! as the ellipse E. <br>
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. <br>
//! The equivalent B-spline curve is oriented from U1 to U2 and has <br>
//! the same orientation as E. <br>
//! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi <br>
Standard_EXPORT Convert_EllipseToBSplineCurve(const gp_Elips2d& E,const Standard_Real U1,const Standard_Real U2,const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2);
protected:
private:
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
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