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
0040   DEFINE_STANDARD_ALLOC
0041
0042
0043   Standard_EXPORT BRepBlend_SurfPointConstRadInv(const Handle(Adaptor3d_Surface)& S, const Handle(Adaptor3d_Curve)& C);
0044
0045   Standard_EXPORT void Set (const Standard_Real R, const Standard_Integer Choix);
0046
0047   //! returns 3.
0048   Standard_EXPORT Standard_Integer NbEquations() const;
0049
0050   //! computes the values <F> of the Functions for the
0051   //! variable <X>.
0052   //! Returns True if the computation was done successfully,
0053   //! False otherwise.
0054   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
0055
0056   //! returns the values <D> of the derivatives for the
0057   //! variable <X>.
0058   //! Returns True if the computation was done successfully,
0059   //! False otherwise.
0060   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
0061
0062   //! returns the values <F> of the functions and the derivatives
0063   //! <D> for the variable <X>.
0064   //! Returns True if the computation was done successfully,
0065   //! False otherwise.
0066   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
0067
0068   //! Set the Point on which a solution has to be found.
0069   Standard_EXPORT void Set (const gp_Pnt& P);
0070
0071   //! Returns in the vector Tolerance the parametric tolerance
0072   //! for each of the 3 variables;
0073   //! Tol is the tolerance used in 3d space.
0074   Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
0075
0076   //! Returns in the vector InfBound the lowest values allowed
0077   //! for each of the 3 variables.
0078   //! Returns in the vector SupBound the greatest values allowed
0079   //! for each of the 3 variables.
0080   Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
0081
0082   //! Returns Standard_True if Sol is a zero of the function.
0083   //! Tol is the tolerance used in 3d space.
0084   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
0085
0086
0087
0088
0089 protected:
0090
0091
0092
0093
0094
0095 private:
0096
0097
0098
0099   Handle(Adaptor3d_Surface) surf;
0100   Handle(Adaptor3d_Curve) curv;
0101   gp_Pnt point;
0102   Standard_Real ray;
0103   Standard_Integer choix;
0104
0105
0106 };
0107
0108
0109
0110
0111
0112
0113
0114 #endif // _BRepBlend_SurfPointConstRadInv_HeaderFile