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1 | // Created on: 1994-07-06 |
2 | // Created by: Laurent PAINNOT |
3 | // Copyright (c) 1994-1999 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 _Extrema_ExtCC2d_HeaderFile |
18 | #define _Extrema_ExtCC2d_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Boolean.hxx> |
25 | #include <Extrema_SequenceOfPOnCurv2d.hxx> |
26 | #include <TColStd_SequenceOfReal.hxx> |
27 | #include <Standard_Integer.hxx> |
28 | #include <Standard_Address.hxx> |
29 | #include <Standard_Real.hxx> |
30 | #include <gp_Pnt2d.hxx> |
31 | class StdFail_InfiniteSolutions; |
32 | class StdFail_NotDone; |
33 | class Standard_OutOfRange; |
34 | class Adaptor2d_Curve2d; |
35 | class Extrema_POnCurv2d; |
36 | class gp_Pnt2d; |
37 | class Extrema_ExtElC2d; |
38 | class Extrema_ECC2d; |
39 | |
40 | |
41 | //! It calculates all the distance between two curves. |
42 | //! These distances can be maximum or minimum. |
43 | class Extrema_ExtCC2d |
44 | { |
45 | public: |
46 | |
47 | DEFINE_STANDARD_ALLOC |
48 | |
49 | |
50 | Standard_EXPORT Extrema_ExtCC2d(); |
51 | |
52 | //! It calculates all the distances. |
53 | Standard_EXPORT Extrema_ExtCC2d(const Adaptor2d_Curve2d& C1, const Adaptor2d_Curve2d& C2, const Standard_Real TolC1 = 1.0e-10, const Standard_Real TolC2 = 1.0e-10); |
54 | |
55 | //! It calculates all the distances. |
56 | Standard_EXPORT Extrema_ExtCC2d(const Adaptor2d_Curve2d& C1, const Adaptor2d_Curve2d& C2, const Standard_Real U1, const Standard_Real U2, const Standard_Real V1, const Standard_Real V2, const Standard_Real TolC1 = 1.0e-10, const Standard_Real TolC2 = 1.0e-10); |
57 | |
58 | //! initializes the fields. |
59 | Standard_EXPORT void Initialize (const Adaptor2d_Curve2d& C2, const Standard_Real V1, const Standard_Real V2, const Standard_Real TolC1 = 1.0e-10, const Standard_Real TolC2 = 1.0e-10); |
60 | |
61 | Standard_EXPORT void Perform (const Adaptor2d_Curve2d& C1, const Standard_Real U1, const Standard_Real U2); |
62 | |
63 | //! Returns True if the distances are found. |
64 | Standard_EXPORT Standard_Boolean IsDone() const; |
65 | |
66 | //! Returns the number of extremum distances. |
67 | Standard_EXPORT Standard_Integer NbExt() const; |
68 | |
69 | //! Returns True if the two curves are parallel. |
70 | Standard_EXPORT Standard_Boolean IsParallel() const; |
71 | |
72 | //! Returns the value of the Nth extremum square distance. |
73 | Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N = 1) const; |
74 | |
75 | //! Returns the points of the Nth extremum distance. |
76 | //! P1 is on the first curve, P2 on the second one. |
77 | Standard_EXPORT void Points (const Standard_Integer N, Extrema_POnCurv2d& P1, Extrema_POnCurv2d& P2) const; |
78 | |
79 | //! if the curve is a trimmed curve, |
80 | //! dist11 is a square distance between the point on C1 |
81 | //! of parameter FirstParameter and the point of |
82 | //! parameter FirstParameter on C2. |
83 | Standard_EXPORT void TrimmedSquareDistances (Standard_Real& dist11, Standard_Real& distP12, Standard_Real& distP21, Standard_Real& distP22, gp_Pnt2d& P11, gp_Pnt2d& P12, gp_Pnt2d& P21, gp_Pnt2d& P22) const; |
84 | |
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85 | //! Set flag for single extrema computation. Works on parametric solver only. |
86 | Standard_EXPORT void SetSingleSolutionFlag (const Standard_Boolean theSingleSolutionFlag); |
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87 | |
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88 | //! Get flag for single extrema computation. Works on parametric solver only. |
89 | Standard_EXPORT Standard_Boolean GetSingleSolutionFlag () const; |
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90 | |
91 | |
92 | protected: |
93 | |
94 | |
95 | Standard_EXPORT void Results (const Extrema_ExtElC2d& AlgExt, const Standard_Real Ut11, const Standard_Real Ut12, const Standard_Real Ut21, const Standard_Real Ut22, const Standard_Real Period1 = 0.0, const Standard_Real Period2 = 0.0); |
96 | |
97 | Standard_EXPORT void Results (const Extrema_ECC2d& AlgExt, const Standard_Real Ut11, const Standard_Real Ut12, const Standard_Real Ut21, const Standard_Real Ut22, const Standard_Real Period1 = 0.0, const Standard_Real Period2 = 0.0); |
98 | |
99 | |
100 | |
101 | |
102 | private: |
103 | |
104 | |
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105 | Standard_Boolean myIsFindSingleSolution; // Default value is false. |
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106 | Standard_Boolean myDone; |
107 | Standard_Boolean myIsPar; |
108 | Extrema_SequenceOfPOnCurv2d mypoints; |
109 | TColStd_SequenceOfReal mySqDist; |
110 | Standard_Integer mynbext; |
111 | Standard_Boolean inverse; |
112 | Standard_Address myC; |
113 | Standard_Real myv1; |
114 | Standard_Real myv2; |
115 | Standard_Real mytolc1; |
116 | Standard_Real mytolc2; |
117 | gp_Pnt2d P1f; |
118 | gp_Pnt2d P1l; |
119 | gp_Pnt2d P2f; |
120 | gp_Pnt2d P2l; |
121 | Standard_Real mydist11; |
122 | Standard_Real mydist12; |
123 | Standard_Real mydist21; |
124 | Standard_Real mydist22; |
125 | |
126 | |
127 | }; |
128 | |
129 | |
130 | |
131 | |
132 | |
133 | |
134 | |
135 | #endif // _Extrema_ExtCC2d_HeaderFile |