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1 | -- Created on: 1992-11-19 |
2 | -- Created by: Remi LEQUETTE |
3 | -- Copyright (c) 1992-1999 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 BRepClass |
18 | inherits IntConicCurveOfGInter from Geom2dInt |
19 | |
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20 | ---Purpose: Intersect an Edge with a segment. |
21 | -- Implement the Intersector2d required by the classifier. |
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22 | |
23 | uses |
24 | Lin2d from gp, |
25 | Dir2d from gp, |
26 | Edge from BRepClass |
27 | |
28 | is |
29 | Create returns Intersector from BRepClass; |
30 | |
31 | Perform(me : in out; |
32 | L : Lin2d from gp; P : Real; Tol : Real; |
33 | E : Edge from BRepClass) |
34 | ---Purpose: Intersect the line segment and the edge. |
35 | is static; |
36 | |
37 | LocalGeometry(me; E : Edge from BRepClass; |
38 | U : Real; |
39 | T : out Dir2d from gp; |
40 | N : out Dir2d from gp; |
41 | C : out Real) |
42 | ---Purpose: Returns in <T>, <N> and <C> the tangent, normal |
43 | -- and curvature of the edge <E> at parameter value |
44 | -- <U>. |
45 | is static; |
46 | |
47 | end Intersector; |