1 // Created on: 1997-07-29
2 // Created by: Jerome LEMONIER
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_SurfCurvEvolRadInv_HeaderFile
18 #define _BRepBlend_SurfCurvEvolRadInv_HeaderFile
20 #include <Adaptor3d_Surface.hxx>
21 #include <Blend_SurfCurvFuncInv.hxx>
22 #include <math_Vector.hxx>
28 //! Function of reframing between a surface restriction
29 //! of the surface and a curve.
30 //! Class used to compute a solution of the
31 //! surfRstConstRad problem on a done restriction of the
33 //! The vector <X> used in Value, Values and Derivatives
34 //! methods has to be the vector of the parametric
35 //! coordinates wguide, wcurv, wrst where wguide is the
36 //! parameter on the guide line, wcurv is the parameter on
37 //! the curve, wrst is the parameter on the restriction on
39 class BRepBlend_SurfCurvEvolRadInv : public Blend_SurfCurvFuncInv
46 Standard_EXPORT BRepBlend_SurfCurvEvolRadInv(const Handle(Adaptor3d_Surface)& S, const Handle(Adaptor3d_Curve)& C, const Handle(Adaptor3d_Curve)& Cg, const Handle(Law_Function)& Evol);
48 Standard_EXPORT void Set (const Standard_Integer Choix);
51 Standard_EXPORT Standard_Integer NbEquations() const;
53 //! computes the values <F> of the Functions for the
55 //! Returns True if the computation was done successfully,
57 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
59 //! returns the values <D> of the derivatives for the
61 //! Returns True if the computation was done successfully,
63 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
65 //! returns the values <F> of the functions and the derivatives
66 //! <D> for the variable <X>.
67 //! Returns True if the computation was done successfully,
69 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
71 //! Set the restriction on which a solution has to be found.
72 Standard_EXPORT void Set (const Handle(Adaptor2d_Curve2d)& Rst);
74 //! Returns in the vector Tolerance the parametric tolerance
75 //! for each of the 3 variables;
76 //! Tol is the tolerance used in 3d space.
77 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
79 //! Returns in the vector InfBound the lowest values allowed
80 //! for each of the 3 variables.
81 //! Returns in the vector SupBound the greatest values allowed
82 //! for each of the 3 variables.
83 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
85 //! Returns Standard_True if Sol is a zero of the function.
86 //! Tol is the tolerance used in 3d space.
87 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
102 Handle(Adaptor3d_Surface) surf;
103 Handle(Adaptor3d_Curve) curv;
104 Handle(Adaptor3d_Curve) guide;
105 Handle(Adaptor2d_Curve2d) rst;
107 Standard_Integer choix;
108 Handle(Law_Function) tevol;
120 #endif // _BRepBlend_SurfCurvEvolRadInv_HeaderFile