0031939: Coding - correction of spelling errors in comments [part 3]
[occt.git] / src / GeomFill / GeomFill_Darboux.hxx
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42cf5bc1 1// Created on: 1998-03-04
2// Created by: Roman BORISOV
3// Copyright (c) 1998-1999 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_Darboux_HeaderFile
18#define _GeomFill_Darboux_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_Type.hxx>
22
23#include <GeomFill_TrihedronLaw.hxx>
24#include <Standard_Boolean.hxx>
25#include <Standard_Real.hxx>
26#include <Standard_Integer.hxx>
27#include <GeomAbs_Shape.hxx>
28#include <TColStd_Array1OfReal.hxx>
29class Standard_OutOfRange;
30class Standard_ConstructionError;
31class GeomFill_TrihedronLaw;
32class gp_Vec;
33
34
35class GeomFill_Darboux;
36DEFINE_STANDARD_HANDLE(GeomFill_Darboux, GeomFill_TrihedronLaw)
37
38//! Defines Darboux case of Frenet Trihedron Law
39class GeomFill_Darboux : public GeomFill_TrihedronLaw
40{
41
42public:
43
44
45 Standard_EXPORT GeomFill_Darboux();
46
47 Standard_EXPORT virtual Handle(GeomFill_TrihedronLaw) Copy() const Standard_OVERRIDE;
48
49 //! compute Triedrhon on curve at parameter <Param>
50 Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& Normal, gp_Vec& BiNormal) Standard_OVERRIDE;
51
52 //! compute Triedrhon and derivative Trihedron on curve
53 //! at parameter <Param>
a25d5aaa 54 //! Warning : It used only for C1 or C2 approximation
42cf5bc1 55 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;
56
57 //! compute Trihedron on curve
58 //! first and seconde derivatives.
a25d5aaa 59 //! Warning : It used only for C2 approximation
42cf5bc1 60 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;
61
62 //! Returns the number of intervals for continuity
63 //! <S>.
64 //! May be one if Continuity(me) >= <S>
65 Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
66
67 //! Stores in <T> the parameters bounding the intervals
68 //! of continuity <S>.
69 //!
21c7c457 70 //! The array must provide enough room to accommodate
42cf5bc1 71 //! for the parameters. i.e. T.Length() > NbIntervals()
72 Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
73
74 //! Get average value of Tangent(t) and Normal(t) it is usfull to
75 //! make fast approximation of rational surfaces.
76 Standard_EXPORT virtual void GetAverageLaw (gp_Vec& ATangent, gp_Vec& ANormal, gp_Vec& ABiNormal) Standard_OVERRIDE;
77
78 //! Say if the law is Constant.
79 Standard_EXPORT virtual Standard_Boolean IsConstant() const Standard_OVERRIDE;
80
81 //! Return False.
82 Standard_EXPORT virtual Standard_Boolean IsOnlyBy3dCurve() const Standard_OVERRIDE;
83
84
85
86
92efcf78 87 DEFINE_STANDARD_RTTIEXT(GeomFill_Darboux,GeomFill_TrihedronLaw)
42cf5bc1 88
89protected:
90
91
92
93
94private:
95
96
97
98
99};
100
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105
106
107#endif // _GeomFill_Darboux_HeaderFile