include/opencascade/GeomFill_FunctionDraft.hxx

0001 // Created on: 1998-04-27
0002 // Created by: Stephanie HUMEAU
0003 // Copyright (c) 1998-1999 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 _GeomFill_FunctionDraft_HeaderFile
0018 #define _GeomFill_FunctionDraft_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <math_FunctionSetWithDerivatives.hxx>
0022 #include <math_Vector.hxx>
0023
0024 class math_Matrix;
0025 class gp_Vec;
0026 class GeomFill_Tensor;
0027
0028 class GeomFill_FunctionDraft : public math_FunctionSetWithDerivatives
0029 {
0030 public:
0031   DEFINE_STANDARD_ALLOC
0032
0033   Standard_EXPORT GeomFill_FunctionDraft(const occ::handle<Adaptor3d_Surface>& S,
0034                                          const occ::handle<Adaptor3d_Curve>&   C);
0035
0036   //! returns the number of variables of the function.
0037   Standard_EXPORT int NbVariables() const override;
0038
0039   //! returns the number of equations of the function.
0040   Standard_EXPORT int NbEquations() const override;
0041
0042   //! computes the values <F> of the Functions for the
0043   //! variable <X>.
0044   //! Returns True if the computation was done successfully,
0045   //! False otherwise.
0046   Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override;
0047
0048   //! returns the values <D> of the derivatives for the
0049   //! variable <X>.
0050   //! Returns True if the computation was done successfully,
0051   //! False otherwise.
0052   Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) override;
0053
0054   //! returns the values <F> of the functions and the derivatives
0055   //! <D> for the variable <X>.
0056   //! Returns True if the computation was done successfully,
0057   //! False otherwise.
0058   Standard_EXPORT bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override;
0059
0060   //! returns the values <F> of the T derivatives for
0061   //! the parameter Param.
0062   Standard_EXPORT bool DerivT(const occ::handle<Adaptor3d_Curve>& C,
0063                               const double                        Param,
0064                               const double                        W,
0065                               const gp_Vec&                       dN,
0066                               const double                        teta,
0067                               math_Vector&                        F);
0068
0069   //! returns the values <F> of the T2 derivatives for
0070   //! the parameter Param.
0071   Standard_EXPORT bool Deriv2T(const occ::handle<Adaptor3d_Curve>& C,
0072                                const double                        Param,
0073                                const double                        W,
0074                                const gp_Vec&                       d2N,
0075                                const double                        teta,
0076                                math_Vector&                        F);
0077
0078   //! returns the values <D> of the TX derivatives for
0079   //! the parameter Param.
0080   Standard_EXPORT bool DerivTX(const gp_Vec& dN, const double teta, math_Matrix& D);
0081
0082   //! returns the values <T> of the X2 derivatives for
0083   //! the parameter Param.
0084   Standard_EXPORT bool Deriv2X(const math_Vector& X, GeomFill_Tensor& T);
0085
0086 private:
0087   occ::handle<Adaptor3d_Curve>   TheCurve;
0088   occ::handle<Adaptor3d_Surface> TheSurface;
0089 };
0090
0091 #endif // _GeomFill_FunctionDraft_HeaderFile