b311480e |
1 | // Copyright (c) 1995-1999 Matra Datavision |
973c2be1 |
2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e |
3 | // |
973c2be1 |
4 | // This file is part of Open CASCADE Technology software library. |
b311480e |
5 | // |
d5f74e42 |
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 |
973c2be1 |
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. |
b311480e |
11 | // |
973c2be1 |
12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
b311480e |
14 | |
7fd59977 |
15 | // LPA, JCV 07/92 passage sur C1. |
16 | // JCV 07/92 Introduction de la method Dump |
17 | |
42cf5bc1 |
18 | #include <gp_Ax1.hxx> |
19 | #include <gp_Ax2.hxx> |
20 | #include <gp_Ax3.hxx> |
21 | #include <gp_Cone.hxx> |
22 | #include <gp_Pnt.hxx> |
23 | #include <gp_Trsf.hxx> |
24 | #include <gp_Vec.hxx> |
25 | #include <Standard_ConstructionError.hxx> |
7fd59977 |
26 | |
27 | void gp_Cone::Coefficients |
28 | (Standard_Real& A1, Standard_Real& A2, Standard_Real& A3, |
29 | Standard_Real& B1, Standard_Real& B2, Standard_Real& B3, |
30 | Standard_Real& C1, Standard_Real& C2, Standard_Real& C3, |
31 | Standard_Real& D) const |
32 | { |
33 | // Dans le repere du cone : |
34 | // X**2 + Y**2 - (radius + Z * Tan(semiAngle))**2 = 0.0 |
35 | gp_Trsf T; |
36 | T.SetTransformation (pos); |
37 | Standard_Real KAng = Tan (semiAngle); |
38 | Standard_Real T11 = T.Value (1, 1); |
39 | Standard_Real T12 = T.Value (1, 2); |
40 | Standard_Real T13 = T.Value (1, 3); |
41 | Standard_Real T14 = T.Value (1, 4); |
42 | Standard_Real T21 = T.Value (2, 1); |
43 | Standard_Real T22 = T.Value (2, 2); |
44 | Standard_Real T23 = T.Value (2, 3); |
45 | Standard_Real T24 = T.Value (2, 4); |
46 | Standard_Real T31 = T.Value (3, 1) * KAng; |
47 | Standard_Real T32 = T.Value (3, 2) * KAng; |
48 | Standard_Real T33 = T.Value (3, 3) * KAng; |
49 | Standard_Real T34 = T.Value (3, 4) * KAng; |
50 | A1 = T11 * T11 + T21 * T21 - T31 * T31; |
51 | A2 = T12 * T12 + T22 * T22 - T32 * T32; |
52 | A3 = T13 * T13 + T23 * T23 - T33 * T33; |
53 | B1 = T11 * T12 + T21 * T22 - T31 * T32; |
54 | B2 = T11 * T13 + T21 * T23 - T31 * T33; |
55 | B3 = T12 * T13 + T22 * T23 - T32 * T33; |
56 | C1 = T11 * T14 + T21 * T24 - T31 * (radius + T34); |
57 | C2 = T12 * T14 + T22 * T24 - T32 * (radius + T34); |
58 | C3 = T13 * T14 + T23 * T24 - T33 * (radius + T34); |
59 | D = T14*T14 + T24*T24 - radius*radius - T34*T34 - 2.0*radius*T34; |
60 | } |
61 | |
62 | void gp_Cone::Mirror (const gp_Pnt& P) |
63 | { pos.Mirror (P); } |
64 | |
65 | gp_Cone gp_Cone::Mirrored (const gp_Pnt& P) const |
66 | { |
67 | gp_Cone C = *this; |
68 | C.pos.Mirror (P); |
69 | return C; |
70 | } |
71 | |
72 | void gp_Cone::Mirror (const gp_Ax1& A1) |
73 | { pos.Mirror (A1); } |
74 | |
75 | gp_Cone gp_Cone::Mirrored (const gp_Ax1& A1) const |
76 | { |
77 | gp_Cone C = *this; |
78 | C.pos.Mirror (A1); |
79 | return C; |
80 | } |
81 | |
82 | void gp_Cone::Mirror (const gp_Ax2& A2) |
83 | { pos.Mirror (A2); } |
84 | |
85 | gp_Cone gp_Cone::Mirrored (const gp_Ax2& A2) const |
86 | { |
87 | gp_Cone C = *this; |
88 | C.pos.Mirror (A2); |
89 | return C; |
90 | } |
91 | |