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_TheComputeLineBezierOfApprox_HeaderFile |
18 | #define _BRepApprox_TheComputeLineBezierOfApprox_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> |
42cf5bc1 |
27 | #include <Approx_ParametrizationType.hxx> |
28 | #include <TColStd_HArray1OfReal.hxx> |
29 | #include <Approx_SequenceOfHArray1OfReal.hxx> |
30 | #include <TColStd_SequenceOfReal.hxx> |
31 | #include <AppParCurves_HArray1OfConstraintCouple.hxx> |
32 | #include <Standard_Integer.hxx> |
42cf5bc1 |
33 | #include <AppParCurves_Constraint.hxx> |
34 | #include <math_Vector.hxx> |
35 | #include <TColStd_Array1OfReal.hxx> |
36 | class BRepApprox_TheMultiLineOfApprox; |
37 | class BRepApprox_TheMultiLineToolOfApprox; |
38 | class BRepApprox_MyGradientOfTheComputeLineBezierOfApprox; |
39 | class BRepApprox_ParLeastSquareOfMyGradientOfTheComputeLineBezierOfApprox; |
40 | class BRepApprox_ResConstraintOfMyGradientOfTheComputeLineBezierOfApprox; |
41 | class BRepApprox_ParFunctionOfMyGradientOfTheComputeLineBezierOfApprox; |
42 | class BRepApprox_Gradient_BFGSOfMyGradientOfTheComputeLineBezierOfApprox; |
43 | class AppParCurves_MultiCurve; |
44 | class AppParCurves_MultiBSpCurve; |
45 | |
46 | |
47 | |
48 | class BRepApprox_TheComputeLineBezierOfApprox |
49 | { |
50 | public: |
51 | |
52 | DEFINE_STANDARD_ALLOC |
53 | |
54 | |
36b9ff75 |
55 | //! The MultiLine <Line> will be approximated until tolerances |
56 | //! will be reached. |
57 | //! The approximation will be done from degreemin to degreemax |
58 | //! with a cutting if the corresponding boolean is True. |
59 | //! If <Squares> is True, the computation will be done with |
60 | //! no iteration at all. |
42cf5bc1 |
61 | Standard_EXPORT BRepApprox_TheComputeLineBezierOfApprox(const BRepApprox_TheMultiLineOfApprox& 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); |
62 | |
36b9ff75 |
63 | //! The MultiLine <Line> will be approximated until tolerances |
64 | //! will be reached. |
65 | //! The approximation will be done from degreemin to degreemax |
66 | //! with a cutting if the corresponding boolean is True. |
67 | //! If <Squares> is True, the computation will be done with |
68 | //! no iteration at all. |
42cf5bc1 |
69 | Standard_EXPORT BRepApprox_TheComputeLineBezierOfApprox(const BRepApprox_TheMultiLineOfApprox& 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); |
70 | |
36b9ff75 |
71 | //! Initializes the fields of the algorithm. |
42cf5bc1 |
72 | Standard_EXPORT BRepApprox_TheComputeLineBezierOfApprox(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); |
73 | |
36b9ff75 |
74 | //! Initializes the fields of the algorithm. |
42cf5bc1 |
75 | Standard_EXPORT BRepApprox_TheComputeLineBezierOfApprox(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); |
76 | |
36b9ff75 |
77 | //! Initializes the fields of the algorithm. |
42cf5bc1 |
78 | 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); |
79 | |
36b9ff75 |
80 | //! runs the algorithm after having initialized the fields. |
42cf5bc1 |
81 | Standard_EXPORT void Perform (const BRepApprox_TheMultiLineOfApprox& Line); |
82 | |
36b9ff75 |
83 | //! changes the degrees of the approximation. |
42cf5bc1 |
84 | Standard_EXPORT void SetDegrees (const Standard_Integer degreemin, const Standard_Integer degreemax); |
85 | |
36b9ff75 |
86 | //! Changes the tolerances of the approximation. |
42cf5bc1 |
87 | Standard_EXPORT void SetTolerances (const Standard_Real Tolerance3d, const Standard_Real Tolerance2d); |
88 | |
36b9ff75 |
89 | //! changes the first and the last constraint points. |
42cf5bc1 |
90 | Standard_EXPORT void SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC); |
91 | |
36b9ff75 |
92 | //! returns False if at a moment of the approximation, |
93 | //! the status NoApproximation has been sent by the user |
94 | //! when more points were needed. |
42cf5bc1 |
95 | Standard_EXPORT Standard_Boolean IsAllApproximated() const; |
96 | |
36b9ff75 |
97 | //! returns False if the status NoPointsAdded has been sent. |
42cf5bc1 |
98 | Standard_EXPORT Standard_Boolean IsToleranceReached() const; |
99 | |
36b9ff75 |
100 | //! returns the tolerances 2d and 3d of the <Index> MultiCurve. |
42cf5bc1 |
101 | Standard_EXPORT void Error (const Standard_Integer Index, Standard_Real& tol3d, Standard_Real& tol2d) const; |
102 | |
36b9ff75 |
103 | //! Returns the number of MultiCurve doing the approximation |
104 | //! of the MultiLine. |
42cf5bc1 |
105 | Standard_EXPORT Standard_Integer NbMultiCurves() const; |
106 | |
36b9ff75 |
107 | //! returns the result of the approximation. |
42cf5bc1 |
108 | Standard_EXPORT const AppParCurves_MultiCurve& Value (const Standard_Integer Index = 1) const; |
109 | |
36b9ff75 |
110 | //! returns the result of the approximation. |
42cf5bc1 |
111 | Standard_EXPORT AppParCurves_MultiCurve& ChangeValue (const Standard_Integer Index = 1); |
112 | |
36b9ff75 |
113 | //! returns the result of the approximation. |
42cf5bc1 |
114 | Standard_EXPORT const AppParCurves_MultiBSpCurve& SplineValue(); |
115 | |
36b9ff75 |
116 | //! returns the type of parametrization |
4e14c88f |
117 | Standard_EXPORT Approx_ParametrizationType Parametrization () const; |
42cf5bc1 |
118 | |
36b9ff75 |
119 | //! returns the new parameters of the approximation |
120 | //! corresponding to the points of the multicurve <Index>. |
42cf5bc1 |
121 | Standard_EXPORT const TColStd_Array1OfReal& Parameters (const Standard_Integer Index = 1) const; |
122 | |
42cf5bc1 |
123 | protected: |
124 | |
125 | |
126 | |
127 | |
128 | |
129 | private: |
130 | |
131 | |
36b9ff75 |
132 | //! is internally used in the algorithm. |
2c26a53d |
133 | Standard_EXPORT Standard_Boolean Compute (const BRepApprox_TheMultiLineOfApprox& Line, |
134 | const Standard_Integer fpt, |
135 | const Standard_Integer lpt, |
136 | math_Vector& Para, |
137 | Standard_Real& TheTol3d, |
138 | Standard_Real& TheTol2d, |
139 | Standard_Integer& indbad); |
42cf5bc1 |
140 | |
36b9ff75 |
141 | //! is internally used in the algorithm. |
42cf5bc1 |
142 | Standard_EXPORT Standard_Boolean ComputeCurve (const BRepApprox_TheMultiLineOfApprox& Line, const Standard_Integer firspt, const Standard_Integer lastpt); |
143 | |
36b9ff75 |
144 | //! computes new parameters between firstP and lastP. |
42cf5bc1 |
145 | Standard_EXPORT void Parameters (const BRepApprox_TheMultiLineOfApprox& Line, const Standard_Integer firstP, const Standard_Integer LastP, math_Vector& TheParameters) const; |
146 | |
147 | Standard_EXPORT Standard_Real SearchFirstLambda (const BRepApprox_TheMultiLineOfApprox& Line, const math_Vector& Para, const math_Vector& V, const Standard_Integer index) const; |
148 | |
149 | Standard_EXPORT Standard_Real SearchLastLambda (const BRepApprox_TheMultiLineOfApprox& Line, const math_Vector& Para, const math_Vector& V, const Standard_Integer index) const; |
150 | |
151 | Standard_EXPORT void FirstTangencyVector (const BRepApprox_TheMultiLineOfApprox& Line, const Standard_Integer index, math_Vector& V) const; |
152 | |
153 | Standard_EXPORT void LastTangencyVector (const BRepApprox_TheMultiLineOfApprox& Line, const Standard_Integer index, math_Vector& V) const; |
154 | |
155 | |
156 | AppParCurves_SequenceOfMultiCurve myMultiCurves; |
157 | AppParCurves_MultiCurve TheMultiCurve; |
158 | AppParCurves_MultiBSpCurve myspline; |
159 | Standard_Boolean alldone; |
160 | Standard_Boolean tolreached; |
161 | Approx_ParametrizationType Par; |
162 | Handle(TColStd_HArray1OfReal) myParameters; |
163 | Handle(TColStd_HArray1OfReal) myfirstParam; |
164 | Approx_SequenceOfHArray1OfReal myPar; |
165 | TColStd_SequenceOfReal Tolers3d; |
166 | TColStd_SequenceOfReal Tolers2d; |
167 | Handle(AppParCurves_HArray1OfConstraintCouple) myConstraints; |
168 | Standard_Integer mydegremin; |
169 | Standard_Integer mydegremax; |
170 | Standard_Real mytol3d; |
171 | Standard_Real mytol2d; |
172 | Standard_Real currenttol3d; |
173 | Standard_Real currenttol2d; |
174 | Standard_Boolean mycut; |
175 | Standard_Boolean mysquares; |
176 | Standard_Integer myitermax; |
177 | AppParCurves_Constraint myfirstC; |
178 | AppParCurves_Constraint mylastC; |
179 | Standard_Integer myMultiLineNb; |
180 | Standard_Boolean myIsClear; |
181 | |
182 | |
183 | }; |
184 | |
185 | |
186 | |
187 | |
188 | |
189 | |
190 | |
191 | #endif // _BRepApprox_TheComputeLineBezierOfApprox_HeaderFile |