1 // Created on: 1998-08-20
2 // Created by: Philippe MANGIN
3 // Copyright (c) 1998-1999 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 _Approx_Curve3d_HeaderFile
18 #define _Approx_Curve3d_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <GeomAbs_Shape.hxx>
25 #include <Geom_BSplineCurve.hxx>
27 class Adaptor3d_HCurve;
36 //! Approximation of a curve with respect of the
37 //! requiered tolerance Tol3D.
38 Standard_EXPORT Approx_Curve3d(const Handle(Adaptor3d_HCurve)& Curve, const Standard_Real Tol3d, const GeomAbs_Shape Order, const Standard_Integer MaxSegments, const Standard_Integer MaxDegree);
40 Standard_EXPORT Handle(Geom_BSplineCurve) Curve() const;
42 //! returns Standard_True if the approximation has
43 //! been done within requiered tolerance
44 Standard_EXPORT Standard_Boolean IsDone() const;
46 //! returns Standard_True if the approximation did come out
47 //! with a result that is not NECESSARELY within the required
49 Standard_EXPORT Standard_Boolean HasResult() const;
51 //! returns the Maximum Error (>0 when an approximation
52 //! has been done, 0 if no approximation)
53 Standard_EXPORT Standard_Real MaxError() const;
55 //! Print on the stream o information about the object
56 Standard_EXPORT void Dump (Standard_OStream& o) const;
60 Standard_Boolean myIsDone;
61 Standard_Boolean myHasResult;
62 Handle(Geom_BSplineCurve) myBSplCurve;
63 Standard_Real myMaxError;
67 #endif // _Approx_Curve3d_HeaderFile