1 // Created on: 1997-02-21
2 // Created by: Laurent BOURESCHE
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _BRepBlend_SurfCurvConstRadInv_HeaderFile
18 #define _BRepBlend_SurfCurvConstRadInv_HeaderFile
20 #include <Adaptor3d_Surface.hxx>
21 #include <Blend_SurfCurvFuncInv.hxx>
22 #include <math_Vector.hxx>
27 //! Function of reframing between a restriction surface of the
28 //! surface and a curve.
29 //! Class used to compute a solution of the
30 //! surfRstConstRad problem on a done restriction of the
32 //! The vector <X> used in Value, Values and Derivatives
33 //! methods has to be the vector of the parametric
34 //! coordinates wguide, wcurv, wrst where wguide is the
35 //! parameter on the guide line, wcurv is the parameter on
36 //! the curve, wrst is the parameter on the restriction on
38 class BRepBlend_SurfCurvConstRadInv : public Blend_SurfCurvFuncInv
45 Standard_EXPORT BRepBlend_SurfCurvConstRadInv(const Handle(Adaptor3d_Surface)& S, const Handle(Adaptor3d_Curve)& C, const Handle(Adaptor3d_Curve)& Cg);
47 Standard_EXPORT void Set (const Standard_Real R, const Standard_Integer Choix);
50 Standard_EXPORT Standard_Integer NbEquations() const;
52 //! computes the values <F> of the Functions for the
54 //! Returns True if the computation was done successfully,
56 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
58 //! returns the values <D> of the derivatives for the
60 //! Returns True if the computation was done successfully,
62 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
64 //! returns the values <F> of the functions and the derivatives
65 //! <D> for the variable <X>.
66 //! Returns True if the computation was done successfully,
68 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
70 //! Set the restriction on which a solution has to be found.
71 Standard_EXPORT void Set (const Handle(Adaptor2d_Curve2d)& Rst);
73 //! Returns in the vector Tolerance the parametric tolerance
74 //! for each of the 3 variables;
75 //! Tol is the tolerance used in 3d space.
76 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
78 //! Returns in the vector InfBound the lowest values allowed
79 //! for each of the 3 variables.
80 //! Returns in the vector SupBound the greatest values allowed
81 //! for each of the 3 variables.
82 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
84 //! Returns Standard_True if Sol is a zero of the function.
85 //! Tol is the tolerance used in 3d space.
86 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
101 Handle(Adaptor3d_Surface) surf;
102 Handle(Adaptor3d_Curve) curv;
103 Handle(Adaptor3d_Curve) guide;
104 Handle(Adaptor2d_Curve2d) rst;
106 Standard_Integer choix;
117 #endif // _BRepBlend_SurfCurvConstRadInv_HeaderFile