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1 | -- Created on: 1991-03-05 |
2 | -- Created by: Philippe DAUTRY |
3 | -- Copyright (c) 1991-1999 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 |
9 | -- under the terms of the GNU Lesser General Public version 2.1 as published |
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 | package GccAna |
18 | |
19 | ---Purpose : This package provides an implementation of analytics |
20 | -- algorithms (using only non persistant entities) used |
21 | -- to create 2d lines or circles with geometric constraints. |
22 | |
23 | uses Standard, |
24 | StdFail, |
25 | gp, |
26 | TColStd, |
27 | TColgp, |
28 | GccInt, |
29 | GccEnt |
30 | |
31 | |
32 | is |
33 | |
34 | -- Exceptions : |
35 | |
36 | exception NoSolution inherits Failure from Standard; |
37 | |
38 | class Lin2dTanPar; |
39 | ---Purpose : Creates a 2d line TANgent to an 2d entity and PARallel |
40 | -- to another 2d line. |
41 | |
42 | class Lin2dTanPer; |
43 | ---Purpose : Creates a 2d line TANgent to an 2d entity and PERpendicular |
44 | -- to another 2d entity. |
45 | |
46 | class Lin2dTanObl; |
47 | ---Purpose : Creates a 2d line TANgent to an 2d entity and OBLic |
48 | -- to another 2d entity. |
49 | |
50 | class Lin2d2Tan; |
51 | ---Purpose : Creates a 2d line TANgent to 2 2d entities. |
52 | |
53 | class Lin2dBisec; |
54 | ---Purpose : Creates a 2d line BISECting line of 2 2d lines. |
55 | |
56 | class Circ2dTanCen; |
57 | ---Purpose : Creates a 2d circle TANgent to a 2d entity and CENtered |
58 | -- on a 2d point. |
59 | |
60 | class Circ2d3Tan; |
61 | ---Purpose : Creates a 2d circle TANgent to 3 2d entities. |
62 | |
63 | class Circ2d2TanRad; |
64 | ---Purpose : Creates a 2d circle TANgent to 2 2d entities with |
65 | -- the given RADius. |
66 | |
67 | class Circ2d2TanOn; |
68 | ---Purpose : Creates a 2d circle TANgent to a 2d entity and centered |
69 | -- ON a 2d entity (not a point). |
70 | |
71 | class Circ2dTanOnRad; |
72 | ---Purpose : Creates a 2d circle TANgent to a 2d entity and centered |
73 | -- ON a 2d entity (not a point) with the given radius. |
74 | |
75 | class Pnt2dBisec; |
76 | ---Purpose : Creates a 2d line BISECting line of 2 2d points. |
77 | |
78 | class Circ2dBisec; |
79 | ---Purpose : Creates a 2d line BISECting line of 2 2d circles. |
80 | |
81 | class CircLin2dBisec; |
82 | ---Purpose : Creates a 2d line BISECting line of a 2d circle |
83 | -- and a 2d line. |
84 | |
85 | class CircPnt2dBisec; |
86 | ---Purpose : Creates a 2d line BISECting line of a 2d circle |
87 | -- and a 2d point. |
88 | |
89 | class LinPnt2dBisec; |
90 | ---Purpose : Creates a 2d line BISECting line of a 2d line |
91 | -- and a 2d point. |
92 | |
93 | end GccAna; |