include/opencascade/BRepBlend_SurfPointConstRadInv.hxx

0001 // Created on: 1997-02-12
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_SurfPointConstRadInv_HeaderFile
0018 #define _BRepBlend_SurfPointConstRadInv_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <gp_Pnt.hxx>
0022 #include <Blend_SurfPointFuncInv.hxx>
0023 #include <math_Vector.hxx>
0024
0025 class math_Matrix;
0026
0027 //! Function of reframing between a point and a surface.
0028 //! This function is used to find a solution on a done
0029 //! point of the curve when using SurfRstConsRad or
0030 //! CSConstRad...
0031 //! The vector <X> used in Value, Values and Derivatives
0032 //! methods has to be the vector of the parametric
0033 //! coordinates w, U, V where w is the parameter on the
0034 //! guide line, U,V are the parametric coordinates of a
0035 //! point on the partner surface.
0036 class BRepBlend_SurfPointConstRadInv : public Blend_SurfPointFuncInv
0037 {
0038 public:
0039   DEFINE_STANDARD_ALLOC
0040
0041   Standard_EXPORT BRepBlend_SurfPointConstRadInv(const occ::handle<Adaptor3d_Surface>& S,
0042                                                  const occ::handle<Adaptor3d_Curve>&   C);
0043
0044   Standard_EXPORT void Set(const double R, const int Choix);
0045
0046   //! returns 3.
0047   Standard_EXPORT int NbEquations() const override;
0048
0049   //! computes the values <F> of the Functions for the
0050   //! variable <X>.
0051   //! Returns True if the computation was done successfully,
0052   //! False otherwise.
0053   Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override;
0054
0055   //! returns the values <D> of the derivatives for the
0056   //! variable <X>.
0057   //! Returns True if the computation was done successfully,
0058   //! False otherwise.
0059   Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) override;
0060
0061   //! returns the values <F> of the functions and the derivatives
0062   //! <D> for the variable <X>.
0063   //! Returns True if the computation was done successfully,
0064   //! False otherwise.
0065   Standard_EXPORT bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override;
0066
0067   //! Set the Point on which a solution has to be found.
0068   Standard_EXPORT void Set(const gp_Pnt& P) override;
0069
0070   //! Returns in the vector Tolerance the parametric tolerance
0071   //! for each of the 3 variables;
0072   //! Tol is the tolerance used in 3d space.
0073   Standard_EXPORT void GetTolerance(math_Vector& Tolerance, const double Tol) const override;
0074
0075   //! Returns in the vector InfBound the lowest values allowed
0076   //! for each of the 3 variables.
0077   //! Returns in the vector SupBound the greatest values allowed
0078   //! for each of the 3 variables.
0079   Standard_EXPORT void GetBounds(math_Vector& InfBound, math_Vector& SupBound) const override;
0080
0081   //! Returns true if Sol is a zero of the function.
0082   //! Tol is the tolerance used in 3d space.
0083   Standard_EXPORT bool IsSolution(const math_Vector& Sol, const double Tol) override;
0084
0085 private:
0086   occ::handle<Adaptor3d_Surface> surf;
0087   occ::handle<Adaptor3d_Curve>   curv;
0088   gp_Pnt                         point;
0089   double                         ray;
0090   int                            choix;
0091 };
0092
0093 #endif // _BRepBlend_SurfPointConstRadInv_HeaderFile