include/opencascade/BRepBlend_SurfCurvEvolRadInv.hxx

0001 // Created on: 1997-07-29
0002 // Created by: Jerome LEMONIER
0003 // Copyright (c) 1997-1999 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 _BRepBlend_SurfCurvEvolRadInv_HeaderFile
0018 #define _BRepBlend_SurfCurvEvolRadInv_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <Blend_SurfCurvFuncInv.hxx>
0022 #include <math_Vector.hxx>
0023
0024 class Law_Function;
0025 class math_Matrix;
0026
0027 //! Function of reframing between a surface restriction
0028 //! of the surface and a curve.
0029 //! Class used to compute a solution of the
0030 //! surfRstConstRad problem on a done restriction of the
0031 //! surface.
0032 //! The vector <X> used in Value, Values and Derivatives
0033 //! methods has to be the vector of the parametric
0034 //! coordinates wguide, wcurv, wrst where wguide is the
0035 //! parameter on the guide line, wcurv is the parameter on
0036 //! the curve, wrst is the parameter on the restriction on
0037 //! the surface.
0038 class BRepBlend_SurfCurvEvolRadInv : public Blend_SurfCurvFuncInv
0039 {
0040 public:
0041   DEFINE_STANDARD_ALLOC
0042
0043   Standard_EXPORT BRepBlend_SurfCurvEvolRadInv(const occ::handle<Adaptor3d_Surface>& S,
0044                                                const occ::handle<Adaptor3d_Curve>&   C,
0045                                                const occ::handle<Adaptor3d_Curve>&   Cg,
0046                                                const occ::handle<Law_Function>&      Evol);
0047
0048   Standard_EXPORT void Set(const int Choix);
0049
0050   //! returns 3.
0051   Standard_EXPORT int NbEquations() const override;
0052
0053   //! computes the values <F> of the Functions for the
0054   //! variable <X>.
0055   //! Returns True if the computation was done successfully,
0056   //! False otherwise.
0057   Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override;
0058
0059   //! returns the values <D> of the derivatives for the
0060   //! variable <X>.
0061   //! Returns True if the computation was done successfully,
0062   //! False otherwise.
0063   Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) override;
0064
0065   //! returns the values <F> of the functions and the derivatives
0066   //! <D> for the variable <X>.
0067   //! Returns True if the computation was done successfully,
0068   //! False otherwise.
0069   Standard_EXPORT bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override;
0070
0071   //! Set the restriction on which a solution has to be found.
0072   Standard_EXPORT void Set(const occ::handle<Adaptor2d_Curve2d>& Rst) override;
0073
0074   //! Returns in the vector Tolerance the parametric tolerance
0075   //! for each of the 3 variables;
0076   //! Tol is the tolerance used in 3d space.
0077   Standard_EXPORT void GetTolerance(math_Vector& Tolerance, const double Tol) const override;
0078
0079   //! Returns in the vector InfBound the lowest values allowed
0080   //! for each of the 3 variables.
0081   //! Returns in the vector SupBound the greatest values allowed
0082   //! for each of the 3 variables.
0083   Standard_EXPORT void GetBounds(math_Vector& InfBound, math_Vector& SupBound) const override;
0084
0085   //! Returns true if Sol is a zero of the function.
0086   //! Tol is the tolerance used in 3d space.
0087   Standard_EXPORT bool IsSolution(const math_Vector& Sol, const double Tol) override;
0088
0089 private:
0090   occ::handle<Adaptor3d_Surface> surf;
0091   occ::handle<Adaptor3d_Curve>   curv;
0092   occ::handle<Adaptor3d_Curve>   guide;
0093   occ::handle<Adaptor2d_Curve2d> rst;
0094   double                         ray;
0095   int                            choix;
0096   occ::handle<Law_Function>      tevol;
0097   double                         sg1;
0098 };
0099
0100 #endif // _BRepBlend_SurfCurvEvolRadInv_HeaderFile