1 // Created on: 1993-09-07
2 // Created by: Bruno DUMORTIER
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _ProjLib_ComputeApprox_HeaderFile
18 #define _ProjLib_ComputeApprox_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Real.hxx>
25 class Geom2d_BSplineCurve;
26 class Geom2d_BezierCurve;
27 class Adaptor3d_HCurve;
28 class Adaptor3d_HSurface;
31 //! Approximate the projection of a 3d curve on an
32 //! analytic surface and stores the result in Approx.
33 //! The result is a 2d curve.
34 class ProjLib_ComputeApprox
41 //! <Tol> is the tolerance with which the
42 //! approximation is performed.
43 Standard_EXPORT ProjLib_ComputeApprox(const Handle(Adaptor3d_HCurve)& C, const Handle(Adaptor3d_HSurface)& S, const Standard_Real Tol);
45 Standard_EXPORT Handle(Geom2d_BSplineCurve) BSpline() const;
47 Standard_EXPORT Handle(Geom2d_BezierCurve) Bezier() const;
49 //! returns the reached Tolerance.
50 Standard_EXPORT Standard_Real Tolerance() const;
65 Standard_Real myTolerance;
66 Handle(Geom2d_BSplineCurve) myBSpline;
67 Handle(Geom2d_BezierCurve) myBezier;
78 #endif // _ProjLib_ComputeApprox_HeaderFile