0032630: Coding - get rid of unsused forward declarations [BinMDF to IFSelect]
[occt.git] / src / GeomFill / GeomFill_CorrectedFrenet.hxx
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42cf5bc1 1// Created on: 1997-12-19
2// Created by: Philippe MANGIN
3// Copyright (c) 1997-1999 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 _GeomFill_CorrectedFrenet_HeaderFile
18#define _GeomFill_CorrectedFrenet_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_Type.hxx>
22
23#include <gp_Vec.hxx>
24#include <Standard_Boolean.hxx>
25#include <TColStd_HArray1OfReal.hxx>
26#include <TColgp_HArray1OfVec.hxx>
27#include <GeomFill_TrihedronLaw.hxx>
28#include <Standard_Real.hxx>
29#include <TColStd_SequenceOfReal.hxx>
30#include <TColgp_SequenceOfVec.hxx>
31#include <Standard_Integer.hxx>
32#include <GeomAbs_Shape.hxx>
33#include <TColStd_Array1OfReal.hxx>
34#include <GeomFill_Trihedron.hxx>
35class GeomFill_Frenet;
36class Law_Function;
42cf5bc1 37
38class GeomFill_CorrectedFrenet;
39DEFINE_STANDARD_HANDLE(GeomFill_CorrectedFrenet, GeomFill_TrihedronLaw)
40
41//! Defined an Corrected Frenet Trihedron Law It is
42//! like Frenet with an Torsion's minimization
43class GeomFill_CorrectedFrenet : public GeomFill_TrihedronLaw
44{
45
46public:
47
48
49 Standard_EXPORT GeomFill_CorrectedFrenet();
50
51 Standard_EXPORT GeomFill_CorrectedFrenet(const Standard_Boolean ForEvaluation);
52
53 Standard_EXPORT virtual Handle(GeomFill_TrihedronLaw) Copy() const Standard_OVERRIDE;
54
c22b52d6 55 Standard_EXPORT virtual void SetCurve (const Handle(Adaptor3d_Curve)& C) Standard_OVERRIDE;
42cf5bc1 56
57 Standard_EXPORT virtual void SetInterval (const Standard_Real First, const Standard_Real Last) Standard_OVERRIDE;
58
59 //! compute Triedrhon on curve at parameter <Param>
60 Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& Normal, gp_Vec& BiNormal) Standard_OVERRIDE;
61
62 //! compute Triedrhon and derivative Trihedron on curve
63 //! at parameter <Param>
a25d5aaa 64 //! Warning : It used only for C1 or C2 approximation
42cf5bc1 65 Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& BiNormal, gp_Vec& DBiNormal) Standard_OVERRIDE;
66
67 //! compute Trihedron on curve
68 //! first and seconde derivatives.
a25d5aaa 69 //! Warning : It used only for C2 approximation
42cf5bc1 70 Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& D2Tangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& D2Normal, gp_Vec& BiNormal, gp_Vec& DBiNormal, gp_Vec& D2BiNormal) Standard_OVERRIDE;
71
72 //! Returns the number of intervals for continuity
73 //! <S>.
74 //! May be one if Continuity(me) >= <S>
75 Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
76
77 //! Stores in <T> the parameters bounding the intervals
78 //! of continuity <S>.
79 //!
21c7c457 80 //! The array must provide enough room to accommodate
42cf5bc1 81 //! for the parameters. i.e. T.Length() > NbIntervals()
82 Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
83
84 //! Tries to define the best trihedron mode
85 //! for the curve. It can be:
86 //! - Frenet
87 //! - CorrectedFrenet
88 //! - DiscreteTrihedron
89 //! Warning: the CorrectedFrenet must be constructed
90 //! with option ForEvaluation = True,
91 //! the curve must be set by method SetCurve.
92 Standard_EXPORT GeomFill_Trihedron EvaluateBestMode();
93
94 //! Get average value of Tangent(t) and Normal(t) it is usfull to
95 //! make fast approximation of rational surfaces.
96 Standard_EXPORT virtual void GetAverageLaw (gp_Vec& ATangent, gp_Vec& ANormal, gp_Vec& ABiNormal) Standard_OVERRIDE;
97
98 //! Say if the law is Constant.
99 Standard_EXPORT virtual Standard_Boolean IsConstant() const Standard_OVERRIDE;
100
101 //! Return True.
102 Standard_EXPORT virtual Standard_Boolean IsOnlyBy3dCurve() const Standard_OVERRIDE;
103
104
105
106
92efcf78 107 DEFINE_STANDARD_RTTIEXT(GeomFill_CorrectedFrenet,GeomFill_TrihedronLaw)
42cf5bc1 108
109protected:
110
111
112
113
114private:
115
116
117 Standard_EXPORT void Init();
118
119 //! Computes BSpline representation of Normal evolution at one
120 //! interval of continuity of Frenet. Returns True if FuncInt = 0
121 Standard_EXPORT Standard_Boolean InitInterval (const Standard_Real First, const Standard_Real Last, const Standard_Real Step, Standard_Real& startAng, gp_Vec& prevTangent, gp_Vec& prevNormal, gp_Vec& aT, gp_Vec& aN, Handle(Law_Function)& FuncInt, TColStd_SequenceOfReal& SeqPoles, TColStd_SequenceOfReal& SeqAngle, TColgp_SequenceOfVec& SeqTangent, TColgp_SequenceOfVec& SeqNormal) const;
122
123 //! Computes angle of Normal evolution of Frenet between any two points on the curve.
124 Standard_EXPORT Standard_Real CalcAngleAT (const gp_Vec& Tangent, const gp_Vec& Normal, const gp_Vec& prevTangent, const gp_Vec& prevNormal) const;
125
126 //! Get corrected value of angle of Normal evolution of Frenet
127 Standard_EXPORT Standard_Real GetAngleAT (const Standard_Real P) const;
128
129 Handle(GeomFill_Frenet) frenet;
130 Handle(Law_Function) EvolAroundT;
131 Handle(Law_Function) TLaw;
132 gp_Vec AT;
133 gp_Vec AN;
134 Standard_Boolean isFrenet;
135 Standard_Boolean myForEvaluation;
136 Handle(TColStd_HArray1OfReal) HArrPoles;
137 Handle(TColStd_HArray1OfReal) HArrAngle;
138 Handle(TColgp_HArray1OfVec) HArrTangent;
139 Handle(TColgp_HArray1OfVec) HArrNormal;
140
141
142};
143
144
145
146
147
148
149
150#endif // _GeomFill_CorrectedFrenet_HeaderFile