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1 | // Copyright (c) 1995-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | // LPA, JCV 07/92 passage sur C1. |
16 | // JCV 07/92 Introduction de la method Dump |
17 | |
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18 | #include <gp_Cone.hxx> |
19 | |
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20 | #include <gp_Ax1.hxx> |
21 | #include <gp_Ax2.hxx> |
22 | #include <gp_Ax3.hxx> |
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23 | #include <gp_Pnt.hxx> |
24 | #include <gp_Trsf.hxx> |
25 | #include <gp_Vec.hxx> |
26 | #include <Standard_ConstructionError.hxx> |
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27 | |
28 | void gp_Cone::Coefficients |
29 | (Standard_Real& A1, Standard_Real& A2, Standard_Real& A3, |
30 | Standard_Real& B1, Standard_Real& B2, Standard_Real& B3, |
31 | Standard_Real& C1, Standard_Real& C2, Standard_Real& C3, |
32 | Standard_Real& D) const |
33 | { |
34 | // Dans le repere du cone : |
35 | // X**2 + Y**2 - (radius + Z * Tan(semiAngle))**2 = 0.0 |
36 | gp_Trsf T; |
37 | T.SetTransformation (pos); |
38 | Standard_Real KAng = Tan (semiAngle); |
39 | Standard_Real T11 = T.Value (1, 1); |
40 | Standard_Real T12 = T.Value (1, 2); |
41 | Standard_Real T13 = T.Value (1, 3); |
42 | Standard_Real T14 = T.Value (1, 4); |
43 | Standard_Real T21 = T.Value (2, 1); |
44 | Standard_Real T22 = T.Value (2, 2); |
45 | Standard_Real T23 = T.Value (2, 3); |
46 | Standard_Real T24 = T.Value (2, 4); |
47 | Standard_Real T31 = T.Value (3, 1) * KAng; |
48 | Standard_Real T32 = T.Value (3, 2) * KAng; |
49 | Standard_Real T33 = T.Value (3, 3) * KAng; |
50 | Standard_Real T34 = T.Value (3, 4) * KAng; |
51 | A1 = T11 * T11 + T21 * T21 - T31 * T31; |
52 | A2 = T12 * T12 + T22 * T22 - T32 * T32; |
53 | A3 = T13 * T13 + T23 * T23 - T33 * T33; |
54 | B1 = T11 * T12 + T21 * T22 - T31 * T32; |
55 | B2 = T11 * T13 + T21 * T23 - T31 * T33; |
56 | B3 = T12 * T13 + T22 * T23 - T32 * T33; |
57 | C1 = T11 * T14 + T21 * T24 - T31 * (radius + T34); |
58 | C2 = T12 * T14 + T22 * T24 - T32 * (radius + T34); |
59 | C3 = T13 * T14 + T23 * T24 - T33 * (radius + T34); |
60 | D = T14*T14 + T24*T24 - radius*radius - T34*T34 - 2.0*radius*T34; |
61 | } |
62 | |
63 | void gp_Cone::Mirror (const gp_Pnt& P) |
64 | { pos.Mirror (P); } |
65 | |
66 | gp_Cone gp_Cone::Mirrored (const gp_Pnt& P) const |
67 | { |
68 | gp_Cone C = *this; |
69 | C.pos.Mirror (P); |
70 | return C; |
71 | } |
72 | |
73 | void gp_Cone::Mirror (const gp_Ax1& A1) |
74 | { pos.Mirror (A1); } |
75 | |
76 | gp_Cone gp_Cone::Mirrored (const gp_Ax1& A1) const |
77 | { |
78 | gp_Cone C = *this; |
79 | C.pos.Mirror (A1); |
80 | return C; |
81 | } |
82 | |
83 | void gp_Cone::Mirror (const gp_Ax2& A2) |
84 | { pos.Mirror (A2); } |
85 | |
86 | gp_Cone gp_Cone::Mirrored (const gp_Ax2& A2) const |
87 | { |
88 | gp_Cone C = *this; |
89 | C.pos.Mirror (A2); |
90 | return C; |
91 | } |
92 | |