include/opencascade/AppCont_LeastSquare.hxx

0001 // Created on: 1995-03-14
0002 // Created by: Modelistation
0003 // Copyright (c) 1995-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef AppCont_LeastSquare_HeaderFile
0018 #define AppCont_LeastSquare_HeaderFile
0019
0020 #include <AppCont_Function.hxx>
0021 #include <AppParCurves_MultiCurve.hxx>
0022 #include <math_Matrix.hxx>
0023 #include <NCollection_Array1.hxx>
0024 #include <AppParCurves_Constraint.hxx>
0025 #include <math_Vector.hxx>
0026
0027 struct PeriodicityInfo
0028 {
0029   Standard_Boolean isPeriodic;
0030   Standard_Real    myPeriod;
0031 };
0032
0033 class AppCont_LeastSquare
0034 {
0035 public:
0036   Standard_EXPORT AppCont_LeastSquare(const AppCont_Function&       SSP,
0037                                       const Standard_Real           U0,
0038                                       const Standard_Real           U1,
0039                                       const AppParCurves_Constraint FirstCons,
0040                                       const AppParCurves_Constraint LastCons,
0041                                       const Standard_Integer        Deg,
0042                                       const Standard_Integer        NbPoints);
0043
0044   Standard_EXPORT const AppParCurves_MultiCurve& Value();
0045
0046   Standard_EXPORT void Error(Standard_Real& F, Standard_Real& MaxE3d, Standard_Real& MaxE2d) const;
0047
0048   Standard_EXPORT Standard_Boolean IsDone() const;
0049
0050 private:
0051   //! Fix border point evaluation.
0052   void FixSingleBorderPoint(const AppCont_Function&       theSSP,
0053                             const Standard_Real           theU,
0054                             const Standard_Real           theU0,
0055                             const Standard_Real           theU1,
0056                             NCollection_Array1<gp_Pnt2d>& theFix2d,
0057                             NCollection_Array1<gp_Pnt>&   theFix);
0058
0059   AppParCurves_MultiCurve             mySCU;
0060   math_Matrix                         myPoints;
0061   math_Matrix                         myPoles;
0062   math_Vector                         myParam;
0063   math_Matrix                         myVB;
0064   NCollection_Array1<PeriodicityInfo> myPerInfo;
0065   Standard_Boolean                    myDone;
0066   Standard_Integer                    myDegre;
0067   Standard_Integer                    myNbdiscret, myNbP, myNbP2d;
0068 };
0069
0070 #endif