1 // Created on: 1993-08-03
2 // Created by: Laurent BOURESCHE
3 // Copyright (c) 1993-1999 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.
23 #include <gp_Trsf.hxx>
25 #include <Standard_ConstructionError.hxx>
27 //=======================================================================
30 //=======================================================================
31 gp_Ax3::gp_Ax3 (const gp_Pnt& P,
32 const gp_Dir& V) : axis(P,V)
34 Standard_Real A = V.X();
35 Standard_Real B = V.Y();
36 Standard_Real C = V.Z();
37 Standard_Real Aabs = A;
38 if (Aabs < 0) Aabs = - Aabs;
39 Standard_Real Babs = B;
40 if (Babs < 0) Babs = - Babs;
41 Standard_Real Cabs = C;
42 if (Cabs < 0) Cabs = - Cabs;
45 // pour determiner l axe X :
46 // on dit que le produit scalaire Vx.V = 0.
47 // et on recherche le max(A,B,C) pour faire la division.
48 // l une des coordonnees du vecteur est nulle.
50 if ( Babs <= Aabs && Babs <= Cabs) {
51 if (Aabs > Cabs) D.SetCoord(-C,0., A);
52 else D.SetCoord( C,0.,-A);
54 else if( Aabs <= Babs && Aabs <= Cabs) {
55 if (Babs > Cabs) D.SetCoord(0.,-C, B);
56 else D.SetCoord(0., C,-B);
59 if (Aabs > Babs) D.SetCoord(-B, A,0.);
60 else D.SetCoord( B,-A,0.);
63 vydir = V.Crossed(vxdir);
66 void gp_Ax3::Mirror(const gp_Pnt& P)
73 gp_Ax3 gp_Ax3::Mirrored(const gp_Pnt& P)const
80 void gp_Ax3::Mirror(const gp_Ax1& A1)
87 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax1& A1)const
94 void gp_Ax3::Mirror(const gp_Ax2& A2)
101 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax2& A2)const