1 // Created on: 1992-09-02
2 // Created by: Remi GILET
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <gce_MakeHypr2d.ixx>
18 #include <gp_Lin2d.hxx>
19 #include <StdFail_NotDone.hxx>
21 //=========================================================================
22 // Creation d une Hyperbola 2d de gp de centre <Center> et de sommets +
24 // <CenterS1> donne le grand axe . +
25 // <S1> donne le grand rayon et <S2> le petit rayon. +
26 //=========================================================================
28 gce_MakeHypr2d::gce_MakeHypr2d(const gp_Pnt2d& S1 ,
30 const gp_Pnt2d& Center )
32 gp_Dir2d XAxis(gp_XY(S1.XY()-Center.XY()));
33 gp_Dir2d YAxis(gp_XY(S2.XY()-Center.XY()));
34 gp_Ax22d Axis(Center,XAxis,YAxis);
35 gp_Lin2d L(Center,XAxis);
36 Standard_Real D1 = S1.Distance(Center);
37 Standard_Real D2 = L.Distance(S2);
39 TheHypr2d = gp_Hypr2d(Axis,D1,D2);
42 else { TheError = gce_InvertAxis; }
45 gce_MakeHypr2d::gce_MakeHypr2d(const gp_Ax2d& MajorAxis ,
46 const Standard_Real MajorRadius ,
47 const Standard_Real MinorRadius ,
48 const Standard_Boolean Sense )
50 if (MajorRadius < 0.0 || MinorRadius < 0.0) { TheError = gce_NegativeRadius;}
52 TheHypr2d = gp_Hypr2d(MajorAxis,MajorRadius,MinorRadius,Sense);
57 gce_MakeHypr2d::gce_MakeHypr2d(const gp_Ax22d& A ,
58 const Standard_Real MajorRadius ,
59 const Standard_Real MinorRadius )
61 if (MajorRadius < 0.0 || MinorRadius < 0.0) { TheError = gce_NegativeRadius;}
63 TheHypr2d = gp_Hypr2d(A,MajorRadius,MinorRadius);
68 const gp_Hypr2d& gce_MakeHypr2d::Value() const
70 StdFail_NotDone_Raise_if(!TheError == gce_Done,"");
74 const gp_Hypr2d& gce_MakeHypr2d::Operator() const
79 gce_MakeHypr2d::operator gp_Hypr2d() const