include/opencascade/BRepBlend_CurvPointRadInv.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_CurvPointRadInv_HeaderFile
0018 #define _BRepBlend_CurvPointRadInv_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_Pnt.hxx>
0025 #include <Standard_Integer.hxx>
0026 #include <Blend_CurvPointFuncInv.hxx>
0027 #include <math_Vector.hxx>
0028
0029 class math_Matrix;
0030
0031
0032 //! Function of reframing between a point and a curve.
0033 //! valid in cases of constant and progressive radius.
0034 //! This function  is used  to find a  solution on  a done
0035 //! point   of   the curve 1 when   using  RstRstConsRad or
0036 //! CSConstRad...
0037 //! The vector <X>  used in Value, Values and  Derivatives
0038 //! methods  has  to   be the  vector   of the  parametric
0039 //! coordinates w, U where w is  the parameter  on the
0040 //! guide line, U   are the parametric coordinates of  a
0041 //! point on the partner curve 2.
0042 class BRepBlend_CurvPointRadInv  : public Blend_CurvPointFuncInv
0043 {
0044 public:
0045
0046   DEFINE_STANDARD_ALLOC
0047
0048
0049   Standard_EXPORT BRepBlend_CurvPointRadInv(const Handle(Adaptor3d_Curve)& C1, const Handle(Adaptor3d_Curve)& C2);
0050
0051   Standard_EXPORT void Set (const Standard_Integer Choix);
0052
0053   //! returns 2.
0054   Standard_EXPORT Standard_Integer NbEquations() const;
0055
0056   //! computes the values <F> of the Functions for the
0057   //! variable <X>.
0058   //! Returns True if the computation was done successfully,
0059   //! False otherwise.
0060   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
0061
0062   //! returns the values <D> of the derivatives for the
0063   //! variable <X>.
0064   //! Returns True if the computation was done successfully,
0065   //! False otherwise.
0066   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
0067
0068   //! returns the values <F> of the functions and the derivatives
0069   //! <D> for the variable <X>.
0070   //! Returns True if the computation was done successfully,
0071   //! False otherwise.
0072   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
0073
0074   //! Set the Point on which a solution has to be found.
0075   Standard_EXPORT void Set (const gp_Pnt& P);
0076
0077   //! Returns in the vector Tolerance the parametric tolerance
0078   //! for each of the 3 variables;
0079   //! Tol is the tolerance used in 3d space.
0080   Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
0081
0082   //! Returns in the vector InfBound the lowest values allowed
0083   //! for each of the 3 variables.
0084   //! Returns in the vector SupBound the greatest values allowed
0085   //! for each of the 3 variables.
0086   Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
0087
0088   //! Returns Standard_True if Sol is a zero of the function.
0089   //! Tol is the tolerance used in 3d space.
0090   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
0091
0092
0093
0094
0095 protected:
0096
0097
0098
0099
0100
0101 private:
0102
0103
0104
0105   Handle(Adaptor3d_Curve) curv1;
0106   Handle(Adaptor3d_Curve) curv2;
0107   gp_Pnt point;
0108   Standard_Integer choix;
0109
0110
0111 };
0112
0113
0114
0115
0116
0117
0118
0119 #endif // _BRepBlend_CurvPointRadInv_HeaderFile