include/opencascade/FairCurve_DistributionOfTension.hxx

0001 // Created on: 1996-01-26
0002 // Created by: Philippe MANGIN
0003 // Copyright (c) 1996-1999 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 _FairCurve_DistributionOfTension_HeaderFile
0018 #define _FairCurve_DistributionOfTension_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <FairCurve_BattenLaw.hxx>
0025 #include <FairCurve_DistributionOfEnergy.hxx>
0026 #include <Standard_Integer.hxx>
0027 #include <NCollection_Array1.hxx>
0028 #include <NCollection_HArray1.hxx>
0029 #include <gp_Pnt2d.hxx>
0030 #include <math_Vector.hxx>
0031
0032 //! Compute the Tension Distribution
0033 class FairCurve_DistributionOfTension : public FairCurve_DistributionOfEnergy
0034 {
0035 public:
0036   DEFINE_STANDARD_ALLOC
0037
0038   Standard_EXPORT FairCurve_DistributionOfTension(
0039     const int                                         BSplOrder,
0040     const occ::handle<NCollection_HArray1<double>>&   FlatKnots,
0041     const occ::handle<NCollection_HArray1<gp_Pnt2d>>& Poles,
0042     const int                                         DerivativeOrder,
0043     const double                                      LengthSliding,
0044     const FairCurve_BattenLaw&                        Law,
0045     const int                                         NbValAux = 0,
0046     const bool                                        Uniform  = false);
0047
0048   //! change the length sliding
0049   void SetLengthSliding(const double LengthSliding);
0050
0051   //! computes the values <F> of the functions for the
0052   //! variable <X>.
0053   //! returns True if the computation was done successfully,
0054   //! False otherwise.
0055   Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override;
0056
0057 private:
0058   double              MyLengthSliding;
0059   FairCurve_BattenLaw MyLaw;
0060   double              MyHeight;
0061 };
0062
0063 #include <FairCurve_DistributionOfTension.lxx>
0064
0065 #endif // _FairCurve_DistributionOfTension_HeaderFile