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1 | // Created on: 2013-02-05 |
2 | // Created by: Julia GERASIMOVA |
3 | // Copyright (c) 2001-2013 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _GeomFill_DiscreteTrihedron_HeaderFile |
17 | #define _GeomFill_DiscreteTrihedron_HeaderFile |
18 | |
19 | #include <Standard.hxx> |
20 | #include <Standard_Type.hxx> |
21 | |
22 | #include <gp_Pnt.hxx> |
23 | #include <GeomFill_HSequenceOfAx2.hxx> |
24 | #include <TColStd_HSequenceOfReal.hxx> |
25 | #include <Standard_Boolean.hxx> |
26 | #include <GeomFill_TrihedronLaw.hxx> |
27 | #include <Standard_Real.hxx> |
28 | #include <Standard_Integer.hxx> |
29 | #include <GeomAbs_Shape.hxx> |
30 | #include <TColStd_Array1OfReal.hxx> |
31 | class GeomFill_Frenet; |
32 | class Standard_OutOfRange; |
33 | class Standard_ConstructionError; |
34 | class GeomFill_TrihedronLaw; |
35 | class Adaptor3d_HCurve; |
36 | class gp_Vec; |
37 | |
38 | |
39 | class GeomFill_DiscreteTrihedron; |
40 | DEFINE_STANDARD_HANDLE(GeomFill_DiscreteTrihedron, GeomFill_TrihedronLaw) |
41 | |
42 | //! Defined Discrete Trihedron Law. |
43 | //! The requirement for path curve is only G1. |
44 | //! The result is C0-continuous surface |
45 | //! that can be later approximated to C1. |
46 | class GeomFill_DiscreteTrihedron : public GeomFill_TrihedronLaw |
47 | { |
48 | |
49 | public: |
50 | |
51 | |
52 | Standard_EXPORT GeomFill_DiscreteTrihedron(); |
53 | |
54 | Standard_EXPORT virtual Handle(GeomFill_TrihedronLaw) Copy() const Standard_OVERRIDE; |
55 | |
56 | Standard_EXPORT void Init(); |
57 | |
58 | Standard_EXPORT virtual void SetCurve (const Handle(Adaptor3d_HCurve)& C) Standard_OVERRIDE; |
59 | |
60 | //! compute Trihedron on curve at parameter <Param> |
61 | Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& Normal, gp_Vec& BiNormal) Standard_OVERRIDE; |
62 | |
63 | //! compute Trihedron and derivative Trihedron on curve |
64 | //! at parameter <Param> |
65 | //! Warning : It used only for C1 or C2 aproximation |
66 | //! For the moment it returns null values for DTangent, DNormal |
67 | //! and DBiNormal. |
68 | 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; |
69 | |
70 | //! compute Trihedron on curve |
71 | //! first and seconde derivatives. |
72 | //! Warning : It used only for C2 aproximation |
73 | //! For the moment it returns null values for DTangent, DNormal |
74 | //! DBiNormal, D2Tangent, D2Normal, D2BiNormal. |
75 | 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; |
76 | |
77 | //! Returns the number of intervals for continuity |
78 | //! <S>. |
79 | //! May be one if Continuity(me) >= <S> |
80 | Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; |
81 | |
82 | //! Stores in <T> the parameters bounding the intervals |
83 | //! of continuity <S>. |
84 | //! |
85 | //! The array must provide enough room to accomodate |
86 | //! for the parameters. i.e. T.Length() > NbIntervals() |
87 | Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; |
88 | |
89 | //! Get average value of Tangent(t) and Normal(t) it is usful to |
90 | //! make fast approximation of rational surfaces. |
91 | Standard_EXPORT virtual void GetAverageLaw (gp_Vec& ATangent, gp_Vec& ANormal, gp_Vec& ABiNormal) Standard_OVERRIDE; |
92 | |
93 | //! Say if the law is Constant. |
94 | Standard_EXPORT virtual Standard_Boolean IsConstant() const Standard_OVERRIDE; |
95 | |
96 | //! Return True. |
97 | Standard_EXPORT virtual Standard_Boolean IsOnlyBy3dCurve() const Standard_OVERRIDE; |
98 | |
99 | |
100 | |
101 | |
92efcf78 |
102 | DEFINE_STANDARD_RTTIEXT(GeomFill_DiscreteTrihedron,GeomFill_TrihedronLaw) |
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103 | |
104 | protected: |
105 | |
106 | |
107 | |
108 | |
109 | private: |
110 | |
111 | |
112 | gp_Pnt myPoint; |
113 | Handle(GeomFill_HSequenceOfAx2) myTrihedrons; |
114 | Handle(TColStd_HSequenceOfReal) myKnots; |
115 | Handle(GeomFill_Frenet) myFrenet; |
116 | Standard_Boolean myUseFrenet; |
117 | |
118 | |
119 | }; |
120 | |
121 | |
122 | |
123 | |
124 | |
125 | |
126 | |
127 | #endif // _GeomFill_DiscreteTrihedron_HeaderFile |