0032768: Coding - get rid of unused headers [BopAlgo to BRepBuilderAPI]
[occt.git] / src / BRepApprox / BRepApprox_MyGradientOfTheComputeLineBezierOfApprox.hxx
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42cf5bc1 1// Created on: 1995-06-06
2// Created by: Jean Yves LEBEY
3// Copyright (c) 1995-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
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.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _BRepApprox_MyGradientOfTheComputeLineBezierOfApprox_HeaderFile
18#define _BRepApprox_MyGradientOfTheComputeLineBezierOfApprox_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <AppParCurves_MultiCurve.hxx>
25#include <math_Vector.hxx>
26#include <Standard_Real.hxx>
42cf5bc1 27#include <Standard_Integer.hxx>
28#include <AppParCurves_HArray1OfConstraintCouple.hxx>
29class Standard_OutOfRange;
30class StdFail_NotDone;
31class BRepApprox_TheMultiLineOfApprox;
32class BRepApprox_TheMultiLineToolOfApprox;
33class BRepApprox_ParLeastSquareOfMyGradientOfTheComputeLineBezierOfApprox;
34class BRepApprox_ResConstraintOfMyGradientOfTheComputeLineBezierOfApprox;
35class BRepApprox_ParFunctionOfMyGradientOfTheComputeLineBezierOfApprox;
36class BRepApprox_Gradient_BFGSOfMyGradientOfTheComputeLineBezierOfApprox;
37class AppParCurves_MultiCurve;
38
39
40
41class BRepApprox_MyGradientOfTheComputeLineBezierOfApprox
42{
43public:
44
45 DEFINE_STANDARD_ALLOC
46
47
36b9ff75 48 //! Tries to minimize the sum (square(||Qui - Bi*Pi||))
49 //! where Pui describe the approximating Bezier curves'Poles
50 //! and Qi the MultiLine points with a parameter ui.
51 //! In this algorithm, the parameters ui are the unknowns.
52 //! The tolerance required on this sum is given by Tol.
53 //! The desired degree of the resulting curve is Deg.
42cf5bc1 54 Standard_EXPORT BRepApprox_MyGradientOfTheComputeLineBezierOfApprox(const BRepApprox_TheMultiLineOfApprox& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint, const Handle(AppParCurves_HArray1OfConstraintCouple)& TheConstraints, math_Vector& Parameters, const Standard_Integer Deg, const Standard_Real Tol3d, const Standard_Real Tol2d, const Standard_Integer NbIterations = 200);
55
36b9ff75 56 //! returns True if all has been correctly done.
42cf5bc1 57 Standard_EXPORT Standard_Boolean IsDone() const;
58
36b9ff75 59 //! returns all the Bezier curves approximating the
60 //! MultiLine SSP after minimization of the parameter.
42cf5bc1 61 Standard_EXPORT AppParCurves_MultiCurve Value() const;
62
36b9ff75 63 //! returns the difference between the old and the new
64 //! approximation.
65 //! An exception is raised if NotDone.
66 //! An exception is raised if Index<1 or Index>NbParameters.
42cf5bc1 67 Standard_EXPORT Standard_Real Error (const Standard_Integer Index) const;
68
36b9ff75 69 //! returns the maximum difference between the old and the
70 //! new approximation.
42cf5bc1 71 Standard_EXPORT Standard_Real MaxError3d() const;
72
36b9ff75 73 //! returns the maximum difference between the old and the
74 //! new approximation.
42cf5bc1 75 Standard_EXPORT Standard_Real MaxError2d() const;
76
36b9ff75 77 //! returns the average error between the old and the
78 //! new approximation.
42cf5bc1 79 Standard_EXPORT Standard_Real AverageError() const;
80
81
82
83
84protected:
85
86
87
88
89
90private:
91
92
93
94 AppParCurves_MultiCurve SCU;
95 math_Vector ParError;
96 Standard_Real AvError;
97 Standard_Real MError3d;
98 Standard_Real MError2d;
99 Standard_Boolean Done;
100
101
102};
103
104
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108
109
110#endif // _BRepApprox_MyGradientOfTheComputeLineBezierOfApprox_HeaderFile