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1 | // Created on: 1992-09-02 |
2 | // Created by: Remi GILET |
3 | // Copyright (c) 1992-1999 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 | #include <gce_MakeHypr.ixx> |
18 | #include <StdFail_NotDone.hxx> |
19 | #include <gp_Lin.hxx> |
20 | |
21 | //========================================================================= |
22 | // Creation d une Hyperbole 3d de gp de centre <Center> et de sommets + |
23 | // <S1> et <S2>. + |
24 | // <CenterS1> donne le grand axe . + |
25 | // <S1> donne le grand rayon et <S2> le petit rayon. + |
26 | //========================================================================= |
27 | |
28 | gce_MakeHypr::gce_MakeHypr(const gp_Pnt& S1 , |
29 | const gp_Pnt& S2 , |
30 | const gp_Pnt& Center ) |
31 | { |
32 | gp_Dir XAxis(gp_XYZ(S1.XYZ()-Center.XYZ())); |
33 | gp_Lin L(Center,XAxis); |
34 | Standard_Real D = S1.Distance(Center); |
35 | Standard_Real d = L.Distance(S2); |
36 | if (d > D) { TheError = gce_InvertAxis; } |
37 | else { |
38 | gp_Dir Norm(XAxis.Crossed(gp_Dir(gp_XYZ(S2.XYZ()-Center.XYZ())))); |
39 | TheHypr = gp_Hypr(gp_Ax2(Center,Norm,XAxis),D,d); |
40 | TheError = gce_Done; |
41 | } |
42 | } |
43 | |
44 | gce_MakeHypr::gce_MakeHypr(const gp_Ax2& A2 , |
45 | const Standard_Real MajorRadius , |
46 | const Standard_Real MinorRadius ) |
47 | { |
48 | if (MajorRadius < MinorRadius) { TheError = gce_InvertRadius; } |
49 | else if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; } |
50 | else { |
51 | TheHypr = gp_Hypr(A2,MajorRadius,MinorRadius); |
52 | TheError = gce_Done; |
53 | } |
54 | } |
55 | |
56 | const gp_Hypr& gce_MakeHypr::Value() const |
57 | { |
58 | StdFail_NotDone_Raise_if(!TheError == gce_Done,""); |
59 | return TheHypr; |
60 | } |
61 | |
62 | const gp_Hypr& gce_MakeHypr::Operator() const |
63 | { |
64 | return Value(); |
65 | } |
66 | |
67 | gce_MakeHypr::operator gp_Hypr() const |
68 | { |
69 | return Value(); |
70 | } |
71 | |