include/opencascade/BRepBlend_SurfCurvEvolRadInv.hxx

0001 // Created on: 1997-07-29
0002 // Created by: Jerome LEMONIER
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_SurfCurvEvolRadInv_HeaderFile
0018 #define _BRepBlend_SurfCurvEvolRadInv_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021 #include <Blend_SurfCurvFuncInv.hxx>
0022 #include <math_Vector.hxx>
0023
0024 class Law_Function;
0025 class math_Matrix;
0026
0027
0028 //! Function of reframing between a surface restriction
0029 //! of the surface and a curve.
0030 //! Class     used   to   compute  a    solution   of  the
0031 //! surfRstConstRad  problem  on a done restriction of the
0032 //! surface.
0033 //! The vector  <X> used in  Value, Values and Derivatives
0034 //! methods  has   to  be the   vector  of  the parametric
0035 //! coordinates  wguide, wcurv, wrst  where  wguide is the
0036 //! parameter on the guide line, wcurv is the parameter on
0037 //! the curve, wrst is the parameter on the restriction on
0038 //! the surface.
0039 class BRepBlend_SurfCurvEvolRadInv  : public Blend_SurfCurvFuncInv
0040 {
0041 public:
0042
0043   DEFINE_STANDARD_ALLOC
0044
0045
0046   Standard_EXPORT BRepBlend_SurfCurvEvolRadInv(const Handle(Adaptor3d_Surface)& S, const Handle(Adaptor3d_Curve)& C, const Handle(Adaptor3d_Curve)& Cg, const Handle(Law_Function)& Evol);
0047
0048   Standard_EXPORT void Set (const Standard_Integer Choix);
0049
0050   //! returns 3.
0051   Standard_EXPORT Standard_Integer NbEquations() const;
0052
0053   //! computes the values <F> of the Functions for the
0054   //! variable <X>.
0055   //! Returns True if the computation was done successfully,
0056   //! False otherwise.
0057   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
0058
0059   //! returns the values <D> of the derivatives for the
0060   //! variable <X>.
0061   //! Returns True if the computation was done successfully,
0062   //! False otherwise.
0063   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
0064
0065   //! returns the values <F> of the functions and the derivatives
0066   //! <D> for the variable <X>.
0067   //! Returns True if the computation was done successfully,
0068   //! False otherwise.
0069   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
0070
0071   //! Set the restriction on which a solution has to be found.
0072   Standard_EXPORT void Set (const Handle(Adaptor2d_Curve2d)& Rst);
0073
0074   //! Returns in the vector Tolerance the parametric tolerance
0075   //! for each of the 3 variables;
0076   //! Tol is the tolerance used in 3d space.
0077   Standard_EXPORT void GetTolerance (math_Vector& Tolerance, const Standard_Real Tol) const;
0078
0079   //! Returns in the vector InfBound the lowest values allowed
0080   //! for each of the 3 variables.
0081   //! Returns in the vector SupBound the greatest values allowed
0082   //! for each of the 3 variables.
0083   Standard_EXPORT void GetBounds (math_Vector& InfBound, math_Vector& SupBound) const;
0084
0085   //! Returns Standard_True if Sol is a zero of the function.
0086   //! Tol is the tolerance used in 3d space.
0087   Standard_EXPORT Standard_Boolean IsSolution (const math_Vector& Sol, const Standard_Real Tol);
0088
0089
0090
0091
0092 protected:
0093
0094
0095
0096
0097
0098 private:
0099
0100
0101
0102   Handle(Adaptor3d_Surface) surf;
0103   Handle(Adaptor3d_Curve) curv;
0104   Handle(Adaptor3d_Curve) guide;
0105   Handle(Adaptor2d_Curve2d) rst;
0106   Standard_Real ray;
0107   Standard_Integer choix;
0108   Handle(Law_Function) tevol;
0109   Standard_Real sg1;
0110
0111
0112 };
0113
0114
0115
0116
0117
0118
0119
0120 #endif // _BRepBlend_SurfCurvEvolRadInv_HeaderFile