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1 | -- Created on: 1993-02-22 |
2 | -- Created by: Philippe DAUTRY |
3 | -- Copyright (c) 1993-1999 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 Parabola from PGeom |
18 | inherits Conic from PGeom |
19 | |
20 | --- Purpose : |
21 | -- Defines the parabola in the parameterization range : |
22 | -- ]-infinite,+infinite[ |
23 | -- |
24 | -- See Also : Parabola from Geom. |
25 | |
26 | uses Ax2 from gp |
27 | |
28 | is |
29 | |
30 | |
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31 | Create returns Parabola from PGeom; |
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32 | ---Purpose : Creates a parabola with default values. |
33 | ---Level: Internal |
34 | |
35 | |
36 | Create (aPosition : Ax2 from gp; aFocalLength : Real) |
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37 | returns Parabola from PGeom; |
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38 | ---Purpose : Creates a Parabola with <aPosition> and <aFocalLength> |
39 | -- as field values. |
40 | ---Level: Internal |
41 | |
42 | |
43 | FocalLength (me : mutable; aFocalLength : Real); |
44 | ---Purpose : Set the value of the field focalLength with |
45 | -- <aFocalLength>. |
46 | ---Level: Internal |
47 | |
48 | |
49 | FocalLength (me) returns Real; |
50 | ---Purpose : Retruns the value of the field focalLength. |
51 | ---Level: Internal |
52 | |
53 | |
54 | fields |
55 | |
56 | focalLength : Real; |
57 | |
58 | end; |