42cf5bc1 |
1 | // Created on: 1994-04-01 |
2 | // Created by: Laurent BUCHARD |
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 _BRepClass3d_Intersector3d_HeaderFile |
18 | #define _BRepClass3d_Intersector3d_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <gp_Pnt.hxx> |
25 | #include <Standard_Real.hxx> |
26 | #include <IntCurveSurface_TransitionOnCurve.hxx> |
27 | #include <Standard_Boolean.hxx> |
28 | #include <TopAbs_State.hxx> |
29 | #include <TopoDS_Face.hxx> |
30 | class gp_Lin; |
31 | class TopoDS_Face; |
32 | class gp_Pnt; |
33 | |
34 | |
35 | |
36 | class BRepClass3d_Intersector3d |
37 | { |
38 | public: |
39 | |
40 | DEFINE_STANDARD_ALLOC |
41 | |
42 | |
43 | //! Empty constructor. |
44 | Standard_EXPORT BRepClass3d_Intersector3d(); |
45 | |
46 | //! Perform the intersection between the |
47 | //! segment L(0) ... L(Prm) and the Shape <Sh>. |
48 | //! |
49 | //! Only the point with the smallest parameter on the |
50 | //! line is returned. |
51 | //! |
52 | //! The Tolerance <Tol> is used to determine if the |
53 | //! first point of the segment is near the face. In |
54 | //! that case, the parameter of the intersection point |
55 | //! on the line can be a negative value (greater than -Tol). |
56 | Standard_EXPORT void Perform (const gp_Lin& L, const Standard_Real Prm, const Standard_Real Tol, const TopoDS_Face& F); |
57 | |
58 | //! True is returned when the intersection have been computed. |
59 | Standard_Boolean IsDone() const; |
60 | |
61 | //! True is returned if a point has been found. |
62 | Standard_Boolean HasAPoint() const; |
63 | |
64 | //! Returns the U parameter of the intersection point |
65 | //! on the surface. |
66 | Standard_Real UParameter() const; |
67 | |
68 | //! Returns the V parameter of the intersection point |
69 | //! on the surface. |
70 | Standard_Real VParameter() const; |
71 | |
72 | //! Returns the parameter of the intersection point |
73 | //! on the line. |
74 | Standard_Real WParameter() const; |
75 | |
76 | //! Returns the geometric point of the intersection |
77 | //! between the line and the surface. |
78 | const gp_Pnt& Pnt() const; |
79 | |
80 | //! Returns the transition of the line on the surface. |
81 | IntCurveSurface_TransitionOnCurve Transition() const; |
82 | |
83 | //! Returns the state of the point on the face. |
84 | //! The values can be either TopAbs_IN |
85 | //! ( the point is in the face) |
86 | //! or TopAbs_ON |
87 | //! ( the point is on a boudary of the face). |
88 | TopAbs_State State() const; |
89 | |
90 | //! Returns the significant face used to determine |
91 | //! the intersection. |
92 | const TopoDS_Face& Face() const; |
93 | |
94 | |
95 | |
96 | |
97 | protected: |
98 | |
99 | |
100 | |
101 | |
102 | |
103 | private: |
104 | |
105 | |
106 | |
107 | gp_Pnt pnt; |
108 | Standard_Real U; |
109 | Standard_Real V; |
110 | Standard_Real W; |
111 | IntCurveSurface_TransitionOnCurve transition; |
112 | Standard_Boolean done; |
113 | Standard_Boolean hasapoint; |
114 | TopAbs_State state; |
115 | TopoDS_Face face; |
116 | |
117 | |
118 | }; |
119 | |
120 | |
121 | #include <BRepClass3d_Intersector3d.lxx> |
122 | |
123 | |
124 | |
125 | |
126 | |
127 | #endif // _BRepClass3d_Intersector3d_HeaderFile |