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_MakeHypr.ixx>
18 #include <StdFail_NotDone.hxx>
21 //=========================================================================
22 // Creation d une Hyperbole 3d 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_MakeHypr::gce_MakeHypr(const gp_Pnt& S1 ,
30 const gp_Pnt& Center )
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; }
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);
44 gce_MakeHypr::gce_MakeHypr(const gp_Ax2& A2 ,
45 const Standard_Real MajorRadius ,
46 const Standard_Real MinorRadius )
48 if (MajorRadius < MinorRadius) { TheError = gce_InvertRadius; }
49 else if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; }
51 TheHypr = gp_Hypr(A2,MajorRadius,MinorRadius);
56 const gp_Hypr& gce_MakeHypr::Value() const
58 StdFail_NotDone_Raise_if(TheError != gce_Done,"");
62 const gp_Hypr& gce_MakeHypr::Operator() const
67 gce_MakeHypr::operator gp_Hypr() const