include/opencascade/BRepBlend_SurfPointEvolRadInv.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_SurfPointEvolRadInv_HeaderFile
0018 #define _BRepBlend_SurfPointEvolRadInv_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 Law_Function;
0026 class math_Matrix;
0027
0028
0029 //! Function of reframing between a point and a surface.
0030 //! This function  is used  to find a  solution on  a done
0031 //! point   of   the curve when   using  SurfRstConsRad or
0032 //! CSConstRad...
0033 //! The vector <X>  used in Value, Values and  Derivatives
0034 //! methods  has  to   be the  vector   of the  parametric
0035 //! coordinates w, U,  V where w is  the parameter  on the
0036 //! guide line, U,V   are the parametric coordinates of  a
0037 //! point on the partner surface.
0038 class BRepBlend_SurfPointEvolRadInv  : public Blend_SurfPointFuncInv
0039 {
0040 public:
0041
0042   DEFINE_STANDARD_ALLOC
0043
0044
0045   Standard_EXPORT BRepBlend_SurfPointEvolRadInv(const Handle(Adaptor3d_Surface)& S, const Handle(Adaptor3d_Curve)& C, const Handle(Law_Function)& Evol);
0046
0047   Standard_EXPORT void Set (const Standard_Integer Choix);
0048
0049   //! returns 3.
0050   Standard_EXPORT Standard_Integer NbEquations() const;
0051
0052   //! computes the values <F> of the Functions for the
0053   //! variable <X>.
0054   //! Returns True if the computation was done successfully,
0055   //! False otherwise.
0056   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
0057
0058   //! returns the values <D> of the derivatives for the
0059   //! variable <X>.
0060   //! Returns True if the computation was done successfully,
0061   //! False otherwise.
0062   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
0063
0064   //! returns the values <F> of the functions and the derivatives
0065   //! <D> for the variable <X>.
0066   //! Returns True if the computation was done successfully,
0067   //! False otherwise.
0068   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
0069
0070   //! Set the Point on which a solution has to be found.
0071   Standard_EXPORT void Set (const gp_Pnt& P);
0072
0073   //! Returns in the vector Tolerance the parametric tolerance
0074   //! for each of the 3 variables;
0075   //! Tol is the tolerance used in 3d space.
0076   Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
0077
0078   //! Returns in the vector InfBound the lowest values allowed
0079   //! for each of the 3 variables.
0080   //! Returns in the vector SupBound the greatest values allowed
0081   //! for each of the 3 variables.
0082   Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
0083
0084   //! Returns Standard_True if Sol is a zero of the function.
0085   //! Tol is the tolerance used in 3d space.
0086   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
0087
0088
0089
0090
0091 protected:
0092
0093
0094
0095
0096
0097 private:
0098
0099
0100
0101   Handle(Adaptor3d_Surface) surf;
0102   Handle(Adaptor3d_Curve) curv;
0103   gp_Pnt point;
0104   Standard_Real ray;
0105   Standard_Integer choix;
0106   Handle(Law_Function) tevol;
0107   Standard_Real sg1;
0108
0109
0110 };
0111
0112
0113
0114
0115
0116
0117
0118 #endif // _BRepBlend_SurfPointEvolRadInv_HeaderFile