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 //! Function of reframing between a point and a curve.
0032 //! valid in cases of constant and progressive radius.
0033 //! This function is used to find a solution on a done
0034 //! point of the curve 1 when using RstRstConsRad or
0035 //! CSConstRad...
0036 //! The vector <X> used in Value, Values and Derivatives
0037 //! methods has to be the vector of the parametric
0038 //! coordinates w, U where w is the parameter on the
0039 //! guide line, U are the parametric coordinates of a
0040 //! point on the partner curve 2.
0041 class BRepBlend_CurvPointRadInv : public Blend_CurvPointFuncInv
0042 {
0043 public:
0044   DEFINE_STANDARD_ALLOC
0045
0046   Standard_EXPORT BRepBlend_CurvPointRadInv(const occ::handle<Adaptor3d_Curve>& C1,
0047                                             const occ::handle<Adaptor3d_Curve>& C2);
0048
0049   Standard_EXPORT void Set(const int Choix);
0050
0051   //! returns 2.
0052   Standard_EXPORT int NbEquations() const override;
0053
0054   //! computes the values <F> of the Functions for the
0055   //! variable <X>.
0056   //! Returns True if the computation was done successfully,
0057   //! False otherwise.
0058   Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override;
0059
0060   //! returns the values <D> of the derivatives for the
0061   //! variable <X>.
0062   //! Returns True if the computation was done successfully,
0063   //! False otherwise.
0064   Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) override;
0065
0066   //! returns the values <F> of the functions and the derivatives
0067   //! <D> for the variable <X>.
0068   //! Returns True if the computation was done successfully,
0069   //! False otherwise.
0070   Standard_EXPORT bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override;
0071
0072   //! Set the Point on which a solution has to be found.
0073   Standard_EXPORT void Set(const gp_Pnt& P) override;
0074
0075   //! Returns in the vector Tolerance the parametric tolerance
0076   //! for each of the 3 variables;
0077   //! Tol is the tolerance used in 3d space.
0078   Standard_EXPORT void GetTolerance(math_Vector& Tolerance, const double Tol) const override;
0079
0080   //! Returns in the vector InfBound the lowest values allowed
0081   //! for each of the 3 variables.
0082   //! Returns in the vector SupBound the greatest values allowed
0083   //! for each of the 3 variables.
0084   Standard_EXPORT void GetBounds(math_Vector& InfBound, math_Vector& SupBound) const override;
0085
0086   //! Returns true if Sol is a zero of the function.
0087   //! Tol is the tolerance used in 3d space.
0088   Standard_EXPORT bool IsSolution(const math_Vector& Sol, const double Tol) override;
0089
0090 private:
0091   occ::handle<Adaptor3d_Curve> curv1;
0092   occ::handle<Adaptor3d_Curve> curv2;
0093   gp_Pnt                       point;
0094   int                          choix;
0095 };
0096
0097 #endif // _BRepBlend_CurvPointRadInv_HeaderFile