include/opencascade/BRepBlend_SurfCurvConstRadInv.hxx

0001 // Created on: 1997-02-21
0002 // Created by: Laurent BOURESCHE
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_SurfCurvConstRadInv_HeaderFile
0018 #define _BRepBlend_SurfCurvConstRadInv_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <Blend_SurfCurvFuncInv.hxx>
0022 #include <math_Vector.hxx>
0023
0024 class math_Matrix;
0025
0026 //! Function of reframing between a restriction surface of the
0027 //! surface and a curve.
0028 //! Class used to compute a solution of the
0029 //! surfRstConstRad problem on a done restriction of the
0030 //! surface.
0031 //! The vector <X> used in Value, Values and Derivatives
0032 //! methods has to be the vector of the parametric
0033 //! coordinates wguide, wcurv, wrst where wguide is the
0034 //! parameter on the guide line, wcurv is the parameter on
0035 //! the curve, wrst is the parameter on the restriction on
0036 //! the surface.
0037 class BRepBlend_SurfCurvConstRadInv : public Blend_SurfCurvFuncInv
0038 {
0039 public:
0040   DEFINE_STANDARD_ALLOC
0041
0042   Standard_EXPORT BRepBlend_SurfCurvConstRadInv(const occ::handle<Adaptor3d_Surface>& S,
0043                                                 const occ::handle<Adaptor3d_Curve>&   C,
0044                                                 const occ::handle<Adaptor3d_Curve>&   Cg);
0045
0046   Standard_EXPORT void Set(const double R, const int Choix);
0047
0048   //! returns 3.
0049   Standard_EXPORT int NbEquations() const override;
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   //! returns the values <D> of the derivatives for the
0058   //! variable <X>.
0059   //! Returns True if the computation was done successfully,
0060   //! False otherwise.
0061   Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) override;
0062
0063   //! returns the values <F> of the functions and the derivatives
0064   //! <D> for the variable <X>.
0065   //! Returns True if the computation was done successfully,
0066   //! False otherwise.
0067   Standard_EXPORT bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override;
0068
0069   //! Set the restriction on which a solution has to be found.
0070   Standard_EXPORT void Set(const occ::handle<Adaptor2d_Curve2d>& Rst) override;
0071
0072   //! Returns in the vector Tolerance the parametric tolerance
0073   //! for each of the 3 variables;
0074   //! Tol is the tolerance used in 3d space.
0075   Standard_EXPORT void GetTolerance(math_Vector& Tolerance, const double Tol) const override;
0076
0077   //! Returns in the vector InfBound the lowest values allowed
0078   //! for each of the 3 variables.
0079   //! Returns in the vector SupBound the greatest values allowed
0080   //! for each of the 3 variables.
0081   Standard_EXPORT void GetBounds(math_Vector& InfBound, math_Vector& SupBound) const override;
0082
0083   //! Returns true if Sol is a zero of the function.
0084   //! Tol is the tolerance used in 3d space.
0085   Standard_EXPORT bool IsSolution(const math_Vector& Sol, const double Tol) override;
0086
0087 private:
0088   occ::handle<Adaptor3d_Surface> surf;
0089   occ::handle<Adaptor3d_Curve>   curv;
0090   occ::handle<Adaptor3d_Curve>   guide;
0091   occ::handle<Adaptor2d_Curve2d> rst;
0092   double                         ray;
0093   int                            choix;
0094 };
0095
0096 #endif // _BRepBlend_SurfCurvConstRadInv_HeaderFile