1 // Created on: 1991-12-02
2 // Created by: Laurent PAINNOT
3 // Copyright (c) 1991-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _AppDef_BSplineCompute_HeaderFile
18 #define _AppDef_BSplineCompute_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <AppParCurves_MultiBSpCurve.hxx>
25 #include <Standard_Boolean.hxx>
26 #include <Approx_ParametrizationType.hxx>
27 #include <TColStd_HArray1OfReal.hxx>
28 #include <TColStd_HArray1OfInteger.hxx>
29 #include <AppParCurves_HArray1OfConstraintCouple.hxx>
30 #include <Standard_Integer.hxx>
31 #include <Standard_Real.hxx>
32 #include <AppParCurves_Constraint.hxx>
33 #include <math_Vector.hxx>
34 #include <TColStd_Array1OfReal.hxx>
35 #include <TColStd_Array1OfInteger.hxx>
36 class AppDef_MultiLine;
37 class AppDef_MyLineTool;
38 class AppDef_MyBSplGradientOfBSplineCompute;
39 class AppDef_BSpParLeastSquareOfMyBSplGradientOfBSplineCompute;
40 class AppDef_BSpParFunctionOfMyBSplGradientOfBSplineCompute;
41 class AppDef_BSpGradient_BFGSOfMyBSplGradientOfBSplineCompute;
42 class AppDef_MyGradientbisOfBSplineCompute;
43 class AppDef_ParLeastSquareOfMyGradientbisOfBSplineCompute;
44 class AppDef_ResConstraintOfMyGradientbisOfBSplineCompute;
45 class AppDef_ParFunctionOfMyGradientbisOfBSplineCompute;
46 class AppDef_Gradient_BFGSOfMyGradientbisOfBSplineCompute;
47 class AppParCurves_MultiBSpCurve;
48 class AppParCurves_MultiCurve;
52 class AppDef_BSplineCompute
59 Standard_EXPORT AppDef_BSplineCompute(const AppDef_MultiLine& 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);
61 Standard_EXPORT AppDef_BSplineCompute(const AppDef_MultiLine& 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);
63 Standard_EXPORT AppDef_BSplineCompute(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);
65 Standard_EXPORT AppDef_BSplineCompute(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);
67 Standard_EXPORT void Interpol (const AppDef_MultiLine& Line);
69 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);
71 Standard_EXPORT void Perform (const AppDef_MultiLine& Line);
73 Standard_EXPORT void SetParameters (const math_Vector& ThePar);
75 Standard_EXPORT void SetKnots (const TColStd_Array1OfReal& Knots);
77 Standard_EXPORT void SetKnotsAndMultiplicities (const TColStd_Array1OfReal& Knots, const TColStd_Array1OfInteger& Mults);
79 Standard_EXPORT void SetDegrees (const Standard_Integer degreemin, const Standard_Integer degreemax);
81 Standard_EXPORT void SetTolerances (const Standard_Real Tolerance3d, const Standard_Real Tolerance2d);
83 Standard_EXPORT void SetContinuity (const Standard_Integer C);
85 Standard_EXPORT void SetConstraints (const AppParCurves_Constraint firstC, const AppParCurves_Constraint lastC);
87 Standard_EXPORT Standard_Boolean IsAllApproximated() const;
89 Standard_EXPORT Standard_Boolean IsToleranceReached() const;
91 Standard_EXPORT void Error (Standard_Real& tol3d, Standard_Real& tol2d) const;
93 Standard_EXPORT const AppParCurves_MultiBSpCurve& Value() const;
95 Standard_EXPORT AppParCurves_MultiBSpCurve& ChangeValue();
97 Standard_EXPORT const TColStd_Array1OfReal& Parameters() const;
111 Standard_EXPORT Standard_Boolean Compute (const AppDef_MultiLine& Line, const Standard_Integer fpt, const Standard_Integer lpt, math_Vector& Para, const TColStd_Array1OfReal& Knots, TColStd_Array1OfInteger& Mults);
113 Standard_EXPORT Standard_Boolean ComputeCurve (const AppDef_MultiLine& Line, const Standard_Integer firspt, const Standard_Integer lastpt);
115 Standard_EXPORT void Parameters (const AppDef_MultiLine& Line, const Standard_Integer firstP, const Standard_Integer LastP, math_Vector& TheParameters) const;
117 Standard_EXPORT Standard_Real SearchFirstLambda (const AppDef_MultiLine& Line, const math_Vector& Para, const TColStd_Array1OfReal& Knots, const math_Vector& V, const Standard_Integer index) const;
119 Standard_EXPORT Standard_Real SearchLastLambda (const AppDef_MultiLine& Line, const math_Vector& Para, const TColStd_Array1OfReal& Knots, const math_Vector& V, const Standard_Integer index) const;
121 Standard_EXPORT void TangencyVector (const AppDef_MultiLine& Line, const AppParCurves_MultiCurve& C, const Standard_Real U, math_Vector& V) const;
123 Standard_EXPORT void FirstTangencyVector (const AppDef_MultiLine& Line, const Standard_Integer index, math_Vector& V) const;
125 Standard_EXPORT void LastTangencyVector (const AppDef_MultiLine& Line, const Standard_Integer index, math_Vector& V) const;
127 Standard_EXPORT void FindRealConstraints (const AppDef_MultiLine& Line);
130 AppParCurves_MultiBSpCurve TheMultiBSpCurve;
131 Standard_Boolean alldone;
132 Standard_Boolean tolreached;
133 Approx_ParametrizationType Par;
134 Handle(TColStd_HArray1OfReal) myParameters;
135 Handle(TColStd_HArray1OfReal) myfirstParam;
136 Handle(TColStd_HArray1OfReal) myknots;
137 Handle(TColStd_HArray1OfInteger) mymults;
138 Standard_Boolean myhasknots;
139 Standard_Boolean myhasmults;
140 Handle(AppParCurves_HArray1OfConstraintCouple) myConstraints;
141 Standard_Integer mydegremin;
142 Standard_Integer mydegremax;
143 Standard_Real mytol3d;
144 Standard_Real mytol2d;
145 Standard_Real currenttol3d;
146 Standard_Real currenttol2d;
147 Standard_Boolean mycut;
148 Standard_Boolean mysquares;
149 Standard_Integer myitermax;
150 AppParCurves_Constraint myfirstC;
151 AppParCurves_Constraint mylastC;
152 AppParCurves_Constraint realfirstC;
153 AppParCurves_Constraint reallastC;
154 Standard_Integer mycont;
155 Standard_Real mylambda1;
156 Standard_Real mylambda2;
167 #endif // _AppDef_BSplineCompute_HeaderFile