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1 | -- Created on: 1994-03-23 |
2 | -- Created by: Jean Marc LACHAUME |
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 Intersector from Geom2dHatch |
18 | |
19 | inherits GInter from Geom2dInt |
20 | |
21 | uses |
22 | |
23 | Curve from Geom2dAdaptor, |
24 | Lin2d from gp, |
25 | Dir2d from gp |
26 | |
27 | is |
28 | |
29 | Create (Confusion : Real from Standard ; |
30 | Tangency : Real from Standard) |
31 | |
32 | ---Purpose: Creates an intersector. |
33 | |
34 | ---C++: inline |
35 | |
36 | returns Intersector from Geom2dHatch ; |
37 | |
38 | |
39 | ConfusionTolerance (me) |
40 | |
41 | ---Purpose: Returns the confusion tolerance of the |
42 | -- intersector. |
43 | |
44 | ---C++: inline |
45 | |
46 | returns Real from Standard |
47 | is static ; |
48 | |
49 | |
50 | SetConfusionTolerance (me : in out ; |
51 | Confusion : Real from Standard) |
52 | |
53 | ---Purpose: Sets the confusion tolerance of the intersector. |
54 | |
55 | ---C++: inline |
56 | |
57 | is static ; |
58 | |
59 | |
60 | TangencyTolerance (me) |
61 | |
62 | ---Purpose: Returns the tangency tolerance of the |
63 | -- intersector. |
64 | |
65 | ---C++: inline |
66 | |
67 | returns Real from Standard |
68 | is static ; |
69 | |
70 | |
71 | SetTangencyTolerance (me : in out ; |
72 | Tangency : Real from Standard) |
73 | |
74 | ---Purpose: Sets the tangency tolerance of the intersector. |
75 | |
76 | ---C++: inline |
77 | |
78 | is static ; |
79 | |
80 | |
81 | Intersect (me : in out ; C1 : Curve from Geom2dAdaptor ; |
82 | C2 : Curve from Geom2dAdaptor ) |
83 | |
84 | ---Purpose: Intersects the curves C1 and C2. |
85 | -- The results are retreived by the usual methods |
86 | -- described in IntRes2d_Intersection. |
87 | |
88 | ---C++: inline |
89 | |
90 | is static ; |
91 | |
92 | ------------------------------------------------------------------------- |
93 | ---- M e t h o d s u s e d b y t h e C l a s s i f i e r 2 d --- |
94 | ------------------------------------------------------------------------- |
95 | Create |
96 | |
97 | ---Purpose: Creates an intersector. |
98 | |
99 | ---C++: inline |
100 | |
101 | returns Intersector from Geom2dHatch ; |
102 | |
103 | Perform(me : in out; |
104 | L : Lin2d from gp; |
105 | P : Real from Standard; |
106 | Tol : Real from Standard; |
107 | E : Curve from Geom2dAdaptor) -- en fait in out |
108 | |
109 | ---Purpose: Performs the intersection between the 2d line |
110 | -- segment (<L>, <P>) and the Curve <E>. The line |
111 | -- segment is the part of the 2d line <L> of |
112 | -- parameter range [0, <P>] (P is positive and can be |
113 | -- RealLast()). Tol is the Tolerance on the segment. |
114 | -- The order is relevant, the first argument is the |
115 | -- segment, the second the Edge. |
116 | is static; |
117 | |
118 | LocalGeometry(me; |
119 | E : Curve from Geom2dAdaptor; |
120 | U : Real from Standard; |
121 | T : out Dir2d from gp; |
122 | N : out Dir2d from gp; |
123 | C : out Real) |
124 | |
125 | ---Purpose: Returns in <T>, <N> and <C> the tangent, normal |
126 | -- and curvature of the edge <E> at parameter value |
127 | -- <U>. |
128 | is static; |
129 | |
130 | |
131 | |
132 | fields |
133 | |
134 | myConfusionTolerance : Real from Standard ; |
135 | myTangencyTolerance : Real from Standard ; |
136 | |
137 | end Intersector from Geom2dHatch ; |