0031939: Coding - correction of spelling errors in comments
[occt.git] / src / Approx / Approx_FitAndDivide2d.hxx
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42cf5bc1 1// Created on: 1993-01-26
2// Created by: Laurent PAINNOT
3// Copyright (c) 1993-1999 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 _Approx_FitAndDivide2d_HeaderFile
18#define _Approx_FitAndDivide2d_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <AppParCurves_SequenceOfMultiCurve.hxx>
25#include <TColStd_SequenceOfReal.hxx>
26#include <AppParCurves_MultiCurve.hxx>
27#include <Standard_Boolean.hxx>
28#include <Standard_Integer.hxx>
29#include <Standard_Real.hxx>
30#include <AppParCurves_Constraint.hxx>
31#include <AppCont_Function.hxx>
32class AppParCurves_MultiCurve;
33
34
35
36class Approx_FitAndDivide2d
37{
38public:
39
40 DEFINE_STANDARD_ALLOC
41
42
36b9ff75 43 //! The MultiLine <Line> will be approximated until tolerances
44 //! will be reached.
45 //! The approximation will be done from degreemin to degreemax
46 //! with a cutting if the corresponding boolean is True.
42cf5bc1 47 Standard_EXPORT Approx_FitAndDivide2d(const AppCont_Function& Line, const Standard_Integer degreemin = 3, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-5, const Standard_Real Tolerance2d = 1.0e-5, const Standard_Boolean cutting = Standard_False, const AppParCurves_Constraint FirstC = AppParCurves_TangencyPoint, const AppParCurves_Constraint LastC = AppParCurves_TangencyPoint);
48
36b9ff75 49 //! Initializes the fields of the algorithm.
42cf5bc1 50 Standard_EXPORT Approx_FitAndDivide2d(const Standard_Integer degreemin = 3, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-05, const Standard_Real Tolerance2d = 1.0e-05, const Standard_Boolean cutting = Standard_False, const AppParCurves_Constraint FirstC = AppParCurves_TangencyPoint, const AppParCurves_Constraint LastC = AppParCurves_TangencyPoint);
51
36b9ff75 52 //! runs the algorithm after having initialized the fields.
42cf5bc1 53 Standard_EXPORT void Perform (const AppCont_Function& Line);
54
36b9ff75 55 //! changes the degrees of the approximation.
42cf5bc1 56 Standard_EXPORT void SetDegrees (const Standard_Integer degreemin, const Standard_Integer degreemax);
57
36b9ff75 58 //! Changes the tolerances of the approximation.
42cf5bc1 59 Standard_EXPORT void SetTolerances (const Standard_Real Tolerance3d, const Standard_Real Tolerance2d);
60
36b9ff75 61 //! Changes the constraints of the approximation.
42cf5bc1 62 Standard_EXPORT void SetConstraints (const AppParCurves_Constraint FirstC, const AppParCurves_Constraint LastC);
f998596a 63
64 //! Changes the max number of segments, which is allowed for cutting.
65 Standard_EXPORT void SetMaxSegments (const Standard_Integer theMaxSegments);
42cf5bc1 66
ba7f665d 67 //! Set inverse order of degree selection:
68 //! if theInvOrdr = true, current degree is chosen by inverse order -
69 //! from maxdegree to mindegree.
70 //! By default inverse order is used.
71 Standard_EXPORT void SetInvOrder(const Standard_Boolean theInvOrder);
72
13dd311c 73 //! Set value of hang checking flag
74 //! if this flag = true, possible hang of algorithm is checked
75 //! and algorithm is forced to stop.
76 //! By default hang checking is used.
77 Standard_EXPORT void SetHangChecking(const Standard_Boolean theHangChecking);
78
36b9ff75 79 //! returns False if at a moment of the approximation,
80 //! the status NoApproximation has been sent by the user
81 //! when more points were needed.
42cf5bc1 82 Standard_EXPORT Standard_Boolean IsAllApproximated() const;
83
36b9ff75 84 //! returns False if the status NoPointsAdded has been sent.
42cf5bc1 85 Standard_EXPORT Standard_Boolean IsToleranceReached() const;
86
36b9ff75 87 //! returns the tolerances 2d and 3d of the <Index> MultiCurve.
42cf5bc1 88 Standard_EXPORT void Error (const Standard_Integer Index, Standard_Real& tol3d, Standard_Real& tol2d) const;
89
36b9ff75 90 //! Returns the number of MultiCurve doing the approximation
91 //! of the MultiLine.
42cf5bc1 92 Standard_EXPORT Standard_Integer NbMultiCurves() const;
93
36b9ff75 94 //! returns the approximation MultiCurve of range <Index>.
42cf5bc1 95 Standard_EXPORT AppParCurves_MultiCurve Value (const Standard_Integer Index = 1) const;
96
97 Standard_EXPORT void Parameters (const Standard_Integer Index, Standard_Real& firstp, Standard_Real& lastp) const;
98
99
100
101
102protected:
103
104
105
106
107
108private:
109
110
36b9ff75 111 //! is internally used by the algorithms.
42cf5bc1 112 Standard_EXPORT Standard_Boolean Compute (const AppCont_Function& Line, const Standard_Real Ufirst, const Standard_Real Ulast, Standard_Real& TheTol3d, Standard_Real& TheTol2d);
113
114
115 AppParCurves_SequenceOfMultiCurve myMultiCurves;
116 TColStd_SequenceOfReal myfirstparam;
117 TColStd_SequenceOfReal mylastparam;
118 AppParCurves_MultiCurve TheMultiCurve;
119 Standard_Boolean alldone;
120 Standard_Boolean tolreached;
121 TColStd_SequenceOfReal Tolers3d;
122 TColStd_SequenceOfReal Tolers2d;
123 Standard_Integer mydegremin;
124 Standard_Integer mydegremax;
125 Standard_Real mytol3d;
126 Standard_Real mytol2d;
127 Standard_Real currenttol3d;
128 Standard_Real currenttol2d;
129 Standard_Boolean mycut;
130 AppParCurves_Constraint myfirstC;
131 AppParCurves_Constraint mylastC;
f998596a 132 Standard_Integer myMaxSegments;
ba7f665d 133 Standard_Boolean myInvOrder;
13dd311c 134 Standard_Boolean myHangChecking;
42cf5bc1 135
136};
137
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142
143
144#endif // _Approx_FitAndDivide2d_HeaderFile