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1 | // Created on: 1995-01-27 |
2 | // Created by: Jacques GOUSSARD |
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 _GeomInt_TheComputeLineBezierOfWLApprox_HeaderFile |
18 | #define _GeomInt_TheComputeLineBezierOfWLApprox_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <AppParCurves_SequenceOfMultiCurve.hxx> |
25 | #include <AppParCurves_MultiCurve.hxx> |
26 | #include <AppParCurves_MultiBSpCurve.hxx> |
27 | #include <Standard_Boolean.hxx> |
28 | #include <Approx_ParametrizationType.hxx> |
29 | #include <TColStd_HArray1OfReal.hxx> |
30 | #include <Approx_SequenceOfHArray1OfReal.hxx> |
31 | #include <TColStd_SequenceOfReal.hxx> |
32 | #include <AppParCurves_HArray1OfConstraintCouple.hxx> |
33 | #include <Standard_Integer.hxx> |
34 | #include <Standard_Real.hxx> |
35 | #include <AppParCurves_Constraint.hxx> |
36 | #include <math_Vector.hxx> |
37 | #include <TColStd_Array1OfReal.hxx> |
38 | class GeomInt_TheMultiLineOfWLApprox; |
39 | class GeomInt_TheMultiLineToolOfWLApprox; |
40 | class GeomInt_MyGradientOfTheComputeLineBezierOfWLApprox; |
41 | class GeomInt_ParLeastSquareOfMyGradientOfTheComputeLineBezierOfWLApprox; |
42 | class GeomInt_ResConstraintOfMyGradientOfTheComputeLineBezierOfWLApprox; |
43 | class GeomInt_ParFunctionOfMyGradientOfTheComputeLineBezierOfWLApprox; |
44 | class GeomInt_Gradient_BFGSOfMyGradientOfTheComputeLineBezierOfWLApprox; |
45 | class AppParCurves_MultiCurve; |
46 | class AppParCurves_MultiBSpCurve; |
47 | |
48 | |
49 | |
50 | class GeomInt_TheComputeLineBezierOfWLApprox |
51 | { |
52 | public: |
53 | |
54 | DEFINE_STANDARD_ALLOC |
55 | |
56 | |
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57 | //! The MultiLine <Line> will be approximated until tolerances |
58 | //! will be reached. |
59 | //! The approximation will be done from degreemin to degreemax |
60 | //! with a cutting if the corresponding boolean is True. |
61 | //! If <Squares> is True, the computation will be done with |
62 | //! no iteration at all. |
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63 | Standard_EXPORT GeomInt_TheComputeLineBezierOfWLApprox(const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-3, const Standard_Real Tolerance2d = 1.0e-6, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False); |
64 | |
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65 | //! The MultiLine <Line> will be approximated until tolerances |
66 | //! will be reached. |
67 | //! The approximation will be done from degreemin to degreemax |
68 | //! with a cutting if the corresponding boolean is True. |
69 | //! If <Squares> is True, the computation will be done with |
70 | //! no iteration at all. |
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71 | Standard_EXPORT GeomInt_TheComputeLineBezierOfWLApprox(const GeomInt_TheMultiLineOfWLApprox& Line, const math_Vector& Parameters, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Standard_Boolean Squares = Standard_False); |
72 | |
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73 | //! Initializes the fields of the algorithm. |
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74 | Standard_EXPORT GeomInt_TheComputeLineBezierOfWLApprox(const math_Vector& Parameters, const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Standard_Boolean Squares = Standard_False); |
75 | |
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76 | //! Initializes the fields of the algorithm. |
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77 | Standard_EXPORT GeomInt_TheComputeLineBezierOfWLApprox(const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False); |
78 | |
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79 | //! Initializes the fields of the algorithm. |
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80 | Standard_EXPORT void Init (const Standard_Integer degreemin = 4, const Standard_Integer degreemax = 8, const Standard_Real Tolerance3d = 1.0e-03, const Standard_Real Tolerance2d = 1.0e-06, const Standard_Integer NbIterations = 5, const Standard_Boolean cutting = Standard_True, const Approx_ParametrizationType parametrization = Approx_ChordLength, const Standard_Boolean Squares = Standard_False); |
81 | |
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82 | //! runs the algorithm after having initialized the fields. |
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83 | Standard_EXPORT void Perform (const GeomInt_TheMultiLineOfWLApprox& Line); |
84 | |
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85 | //! changes the degrees of the approximation. |
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86 | Standard_EXPORT void SetDegrees (const Standard_Integer degreemin, const Standard_Integer degreemax); |
87 | |
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88 | //! Changes the tolerances of the approximation. |
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89 | Standard_EXPORT void SetTolerances (const Standard_Real Tolerance3d, const Standard_Real Tolerance2d); |
90 | |
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91 | //! changes the first and the last constraint points. |
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92 | Standard_EXPORT void SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC); |
93 | |
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94 | //! returns False if at a moment of the approximation, |
95 | //! the status NoApproximation has been sent by the user |
96 | //! when more points were needed. |
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97 | Standard_EXPORT Standard_Boolean IsAllApproximated() const; |
98 | |
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99 | //! returns False if the status NoPointsAdded has been sent. |
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100 | Standard_EXPORT Standard_Boolean IsToleranceReached() const; |
101 | |
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102 | //! returns the tolerances 2d and 3d of the <Index> MultiCurve. |
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103 | Standard_EXPORT void Error (const Standard_Integer Index, Standard_Real& tol3d, Standard_Real& tol2d) const; |
104 | |
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105 | //! Returns the number of MultiCurve doing the approximation |
106 | //! of the MultiLine. |
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107 | Standard_EXPORT Standard_Integer NbMultiCurves() const; |
108 | |
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109 | //! returns the result of the approximation. |
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110 | Standard_EXPORT const AppParCurves_MultiCurve& Value (const Standard_Integer Index = 1) const; |
111 | |
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112 | //! returns the result of the approximation. |
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113 | Standard_EXPORT AppParCurves_MultiCurve& ChangeValue (const Standard_Integer Index = 1); |
114 | |
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115 | //! returns the result of the approximation. |
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116 | Standard_EXPORT const AppParCurves_MultiBSpCurve& SplineValue(); |
117 | |
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118 | //! returns the type of parametrization |
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119 | Standard_EXPORT Approx_ParametrizationType Parametrization () const; |
120 | |
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121 | //! returns the new parameters of the approximation |
122 | //! corresponding to the points of the multicurve <Index>. |
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123 | Standard_EXPORT const TColStd_Array1OfReal& Parameters (const Standard_Integer Index = 1) const; |
124 | |
125 | |
126 | |
127 | |
128 | protected: |
129 | |
130 | |
131 | |
132 | |
133 | |
134 | private: |
135 | |
136 | |
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137 | //! is internally used in the algorithm. |
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138 | Standard_EXPORT Standard_Boolean Compute (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer fpt, const Standard_Integer lpt, math_Vector& Para, Standard_Real& TheTol3d, Standard_Real& TheTol2d); |
139 | |
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140 | //! is internally used in the algorithm. |
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141 | Standard_EXPORT Standard_Boolean ComputeCurve (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer firspt, const Standard_Integer lastpt); |
142 | |
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143 | //! computes new parameters between firstP and lastP. |
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144 | Standard_EXPORT void Parameters (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer firstP, const Standard_Integer LastP, math_Vector& TheParameters) const; |
145 | |
146 | Standard_EXPORT Standard_Real SearchFirstLambda (const GeomInt_TheMultiLineOfWLApprox& Line, const math_Vector& Para, const math_Vector& V, const Standard_Integer index) const; |
147 | |
148 | Standard_EXPORT Standard_Real SearchLastLambda (const GeomInt_TheMultiLineOfWLApprox& Line, const math_Vector& Para, const math_Vector& V, const Standard_Integer index) const; |
149 | |
150 | Standard_EXPORT void FirstTangencyVector (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer index, math_Vector& V) const; |
151 | |
152 | Standard_EXPORT void LastTangencyVector (const GeomInt_TheMultiLineOfWLApprox& Line, const Standard_Integer index, math_Vector& V) const; |
153 | |
154 | |
155 | AppParCurves_SequenceOfMultiCurve myMultiCurves; |
156 | AppParCurves_MultiCurve TheMultiCurve; |
157 | AppParCurves_MultiBSpCurve myspline; |
158 | Standard_Boolean alldone; |
159 | Standard_Boolean tolreached; |
160 | Approx_ParametrizationType Par; |
161 | Handle(TColStd_HArray1OfReal) myParameters; |
162 | Handle(TColStd_HArray1OfReal) myfirstParam; |
163 | Approx_SequenceOfHArray1OfReal myPar; |
164 | TColStd_SequenceOfReal Tolers3d; |
165 | TColStd_SequenceOfReal Tolers2d; |
166 | Handle(AppParCurves_HArray1OfConstraintCouple) myConstraints; |
167 | Standard_Integer mydegremin; |
168 | Standard_Integer mydegremax; |
169 | Standard_Real mytol3d; |
170 | Standard_Real mytol2d; |
171 | Standard_Real currenttol3d; |
172 | Standard_Real currenttol2d; |
173 | Standard_Boolean mycut; |
174 | Standard_Boolean mysquares; |
175 | Standard_Integer myitermax; |
176 | AppParCurves_Constraint myfirstC; |
177 | AppParCurves_Constraint mylastC; |
178 | Standard_Integer myMultiLineNb; |
179 | Standard_Boolean myIsClear; |
180 | |
181 | |
182 | }; |
183 | |
184 | |
185 | |
186 | |
187 | |
188 | |
189 | |
190 | #endif // _GeomInt_TheComputeLineBezierOfWLApprox_HeaderFile |