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 <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Real.hxx>
25 #include <Standard_Integer.hxx>
26 #include <Blend_SurfCurvFuncInv.hxx>
27 #include <Standard_Boolean.hxx>
28 #include <math_Vector.hxx>
29 class Adaptor3d_HSurface;
30 class Adaptor3d_HCurve;
31 class Adaptor2d_HCurve2d;
36 //! Function of reframing between a surface restriction
37 //! of the surface and a curve.
38 //! Class used to compute a solution of the
39 //! surfRstConstRad problem on a done restriction of the
41 //! The vector <X> used in Value, Values and Derivatives
42 //! methods has to be the vector of the parametric
43 //! coordinates wguide, wcurv, wrst where wguide is the
44 //! parameter on the guide line, wcurv is the parameter on
45 //! the curve, wrst is the parameter on the restriction on
47 class BRepBlend_SurfCurvEvolRadInv : public Blend_SurfCurvFuncInv
54 Standard_EXPORT BRepBlend_SurfCurvEvolRadInv(const Handle(Adaptor3d_HSurface)& S, const Handle(Adaptor3d_HCurve)& C, const Handle(Adaptor3d_HCurve)& Cg, const Handle(Law_Function)& Evol);
56 Standard_EXPORT void Set (const Standard_Integer Choix);
59 Standard_EXPORT Standard_Integer NbEquations() const;
61 //! computes the values <F> of the Functions for the
63 //! Returns True if the computation was done successfully,
65 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
67 //! returns the values <D> of the derivatives for the
69 //! Returns True if the computation was done successfully,
71 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
73 //! returns the values <F> of the functions and the derivatives
74 //! <D> for the variable <X>.
75 //! Returns True if the computation was done successfully,
77 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
79 //! Set the restriction on which a solution has to be found.
80 Standard_EXPORT void Set (const Handle(Adaptor2d_HCurve2d)& Rst);
82 //! Returns in the vector Tolerance the parametric tolerance
83 //! for each of the 3 variables;
84 //! Tol is the tolerance used in 3d space.
85 Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
87 //! Returns in the vector InfBound the lowest values allowed
88 //! for each of the 3 variables.
89 //! Returns in the vector SupBound the greatest values allowed
90 //! for each of the 3 variables.
91 Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
93 //! Returns Standard_True if Sol is a zero of the function.
94 //! Tol is the tolerance used in 3d space.
95 Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
110 Handle(Adaptor3d_HSurface) surf;
111 Handle(Adaptor3d_HCurve) curv;
112 Handle(Adaptor3d_HCurve) guide;
113 Handle(Adaptor2d_HCurve2d) rst;
115 Standard_Integer choix;
116 Handle(Law_Function) tevol;
128 #endif // _BRepBlend_SurfCurvEvolRadInv_HeaderFile