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1 | -- Created on: 1995-10-06 |
2 | -- Created by: Jing Cheng MEI |
3 | -- Copyright (c) 1995-1999 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 ShapeDirPresentation from DsgPrs |
18 | |
19 | ---Purpose: A framework to define display of the normal to the |
20 | -- surface of a shape. |
21 | |
22 | uses |
23 | Shape from TopoDS, |
24 | Presentation from Prs3d, |
25 | Drawer from Prs3d |
26 | |
27 | is |
28 | |
29 | Add(myclass; prs: Presentation from Prs3d; |
30 | aDrawer: Drawer from Prs3d; |
31 | shape: Shape from TopoDS; |
32 | mode: Integer from Standard); |
33 | ---Purpose: Adds the shape shape and the mode mode to the |
34 | -- presentation object prs. |
35 | -- The display attributes of the normal are defined by the |
36 | -- attribute manager aDrawer. |
37 | -- mode determines whether the first or the last point of |
38 | -- the normal is given to the presentation object. If the |
39 | -- first point: 0; if the last point, 1. |
40 | |
41 | end ShapeDirPresentation; |