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1 | -- Created on: 1994-04-01 |
2 | -- Created by: Laurent BUCHARD |
3 | -- Copyright (c) 1994-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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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 |
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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. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | class Intersector3d from BRepClass3d |
18 | |
19 | |
20 | uses |
21 | Lin from gp, |
22 | Pnt from gp, |
23 | Face from TopoDS, |
24 | Shape from TopoDS, |
25 | State from TopAbs, |
26 | TransitionOnCurve from IntCurveSurface |
27 | |
28 | is |
29 | |
30 | Create returns Intersector3d from BRepClass3d; |
31 | ---Purpose: Empty constructor. |
32 | |
33 | Perform(me: in out; L : Lin from gp; |
34 | Prm : Real from Standard; |
35 | Tol : Real from Standard; |
36 | F : Face from TopoDS) |
37 | ---Purpose: Perform the intersection between the |
38 | -- segment L(0) ... L(Prm) and the Shape <Sh>. |
39 | -- |
40 | -- Only the point with the smallest parameter on the |
41 | -- line is returned. |
42 | -- |
43 | -- The Tolerance <Tol> is used to determine if the |
44 | -- first point of the segment is near the face. In |
45 | -- that case, the parameter of the intersection point |
46 | -- on the line can be a negative value (greater than -Tol). |
47 | is static; |
48 | |
49 | |
50 | IsDone(me) |
51 | ---Purpose: True is returned when the intersection have been computed. |
52 | ---C++: inline |
53 | returns Boolean from Standard |
54 | is static; |
55 | |
56 | |
57 | HasAPoint(me) |
58 | ---Purpose: True is returned if a point has been found. |
59 | ---C++: inline |
60 | returns Boolean from Standard |
61 | is static; |
62 | |
63 | |
64 | UParameter(me) |
65 | ---Purpose: Returns the U parameter of the intersection point |
66 | -- on the surface. |
67 | ---C++: inline |
68 | returns Real from Standard |
69 | is static; |
70 | |
71 | VParameter(me) |
72 | ---Purpose: Returns the V parameter of the intersection point |
73 | -- on the surface. |
74 | ---C++: inline |
75 | returns Real from Standard |
76 | is static; |
77 | |
78 | WParameter(me) |
79 | ---Purpose: Returns the parameter of the intersection point |
80 | -- on the line. |
81 | ---C++: inline |
82 | returns Real from Standard |
83 | is static; |
84 | |
85 | |
86 | Pnt(me) |
87 | ---Purpose: Returns the geometric point of the intersection |
88 | -- between the line and the surface. |
89 | ---C++: inline |
90 | ---C++: return const & |
91 | returns Pnt from gp |
92 | is static; |
93 | |
94 | |
95 | Transition(me) |
96 | ---Purpose: Returns the transition of the line on the surface. |
97 | ---C++: inline |
98 | returns TransitionOnCurve from IntCurveSurface |
99 | is static; |
100 | |
101 | |
102 | State(me) |
103 | ---Purpose: Returns the state of the point on the face. |
104 | -- The values can be either TopAbs_IN |
105 | -- ( the point is in the face) |
106 | -- or TopAbs_ON |
107 | -- ( the point is on a boudary of the face). |
108 | ---C++: inline |
109 | |
110 | returns State from TopAbs |
111 | is static; |
112 | |
113 | Face(me) |
114 | ---Purpose: Returns the significant face used to determine |
115 | -- the intersection. |
116 | -- |
117 | ---C++: inline |
118 | ---C++: return const & |
119 | returns Face from TopoDS |
120 | is static; |
121 | |
122 | |
123 | ---------------------- Local Geometry avec courbureS dans une |
124 | -- direction et la direction normale |
125 | |
126 | fields |
127 | |
128 | pnt : Pnt from gp; |
129 | U : Real from Standard; |
130 | V : Real from Standard; |
131 | W : Real from Standard; |
132 | transition : TransitionOnCurve from IntCurveSurface; |
133 | done : Boolean from Standard; |
134 | hasapoint : Boolean from Standard; |
135 | state : State from TopAbs; |
136 | face : Face from TopoDS; |
137 | |
138 | end Intersector3d; |
139 | |
140 | |
141 | |
142 | |
143 | |
144 | |
145 | |
146 | |