1 // Created on: 1996-08-30
2 // Created by: Xavier BENVENISTE
3 // Copyright (c) 1996-1999 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 _GeomLib_Interpolate_HeaderFile
18 #define _GeomLib_Interpolate_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Boolean.hxx>
25 #include <GeomLib_InterpolationErrors.hxx>
26 #include <Standard_Integer.hxx>
27 #include <TColgp_Array1OfPnt.hxx>
28 #include <TColStd_Array1OfReal.hxx>
29 class Geom_BSplineCurve;
30 class StdFail_NotDone;
31 class Standard_OutOfRange;
34 //! this class is used to construct a BSpline curve by
35 //! interpolation of points at given parameters The
36 //! continuity of the curve is degree - 1 and the
37 //! method used when boundary condition are not given
38 //! is to use odd degrees and null the derivatives on
39 //! both sides from degree -1 down to (degree+1) / 2
40 //! When even degree is given the returned curve is of
41 //! degree - 1 so that the degree of the curve is odd
42 class GeomLib_Interpolate
49 Standard_EXPORT GeomLib_Interpolate(const Standard_Integer Degree, const Standard_Integer NumPoints, const TColgp_Array1OfPnt& Points, const TColStd_Array1OfReal& Parameters);
52 //! returns if everything went OK
53 Standard_Boolean IsDone() const;
55 //! returns the error type if any
56 GeomLib_InterpolationErrors Error() const;
58 //! returns the interpolated curve of the requested degree
59 Standard_EXPORT Handle(Geom_BSplineCurve) Curve() const;
74 Handle(Geom_BSplineCurve) myCurve;
75 Standard_Boolean myIsDone;
76 GeomLib_InterpolationErrors myError;
82 #include <GeomLib_Interpolate.lxx>
88 #endif // _GeomLib_Interpolate_HeaderFile