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1 | // Created on: 1991-04-24 |
2 | // Created by: Remi GILET |
3 | // Copyright (c) 1991-1999 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 _Geom2dGcc_Lin2dTanOblIter_HeaderFile |
18 | #define _Geom2dGcc_Lin2dTanOblIter_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Boolean.hxx> |
25 | #include <gp_Lin2d.hxx> |
26 | #include <GccEnt_Position.hxx> |
27 | #include <gp_Pnt2d.hxx> |
28 | #include <Standard_Real.hxx> |
29 | class GccEnt_BadQualifier; |
30 | class StdFail_NotDone; |
31 | class Geom2dGcc_IsParallel; |
32 | class Geom2dGcc_QCurve; |
33 | class gp_Lin2d; |
34 | class gp_Pnt2d; |
35 | |
36 | |
37 | //! This class implements the algorithms used to |
38 | //! create 2d line tangent to a curve QualifiedCurv and |
39 | //! doing an angle Angle with a line TheLin. |
40 | //! The angle must be in Radian. |
41 | class Geom2dGcc_Lin2dTanOblIter |
42 | { |
43 | public: |
44 | |
45 | DEFINE_STANDARD_ALLOC |
46 | |
47 | |
48 | //! This class implements the algorithm used to |
49 | //! create 2d line tangent to a curve and doing an |
50 | //! angle Angle with the line TheLin. |
51 | //! Angle must be in Radian. |
52 | //! Param2 is the initial guess on the curve QualifiedCurv. |
53 | //! Tolang is the angular tolerance. |
54 | Standard_EXPORT Geom2dGcc_Lin2dTanOblIter(const Geom2dGcc_QCurve& Qualified1, const gp_Lin2d& TheLin, const Standard_Real Param1, const Standard_Real TolAng, const Standard_Real Angle = 0); |
55 | |
56 | //! This method returns true when there is a solution |
57 | //! and false in the other cases. |
58 | Standard_EXPORT Standard_Boolean IsDone() const; |
59 | |
60 | Standard_EXPORT gp_Lin2d ThisSolution() const; |
61 | |
62 | Standard_EXPORT void WhichQualifier (GccEnt_Position& Qualif1) const; |
63 | |
64 | Standard_EXPORT void Tangency1 (Standard_Real& ParSol, Standard_Real& ParArg, gp_Pnt2d& PntSol) const; |
65 | |
66 | Standard_EXPORT void Intersection2 (Standard_Real& ParSol, Standard_Real& ParArg, gp_Pnt2d& PntSol) const; |
67 | |
68 | Standard_EXPORT Standard_Boolean IsParallel2() const; |
69 | |
70 | |
71 | |
72 | |
73 | protected: |
74 | |
75 | |
76 | |
77 | |
78 | |
79 | private: |
80 | |
81 | |
82 | |
83 | Standard_Boolean WellDone; |
84 | Standard_Boolean Paral2; |
85 | gp_Lin2d linsol; |
86 | GccEnt_Position qualifier1; |
87 | gp_Pnt2d pnttg1sol; |
88 | gp_Pnt2d pntint2sol; |
89 | Standard_Real par1sol; |
90 | Standard_Real par2sol; |
91 | Standard_Real pararg1; |
92 | Standard_Real pararg2; |
93 | |
94 | |
95 | }; |
96 | |
97 | |
98 | |
99 | |
100 | |
101 | |
102 | |
103 | #endif // _Geom2dGcc_Lin2dTanOblIter_HeaderFile |