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.
19 //=======================================================================
22 //=======================================================================
24 gp_Ax3::gp_Ax3 (const gp_Pnt& P,
25 const gp_Dir& V) : axis(P,V)
27 Standard_Real A = V.X();
28 Standard_Real B = V.Y();
29 Standard_Real C = V.Z();
30 Standard_Real Aabs = A;
31 if (Aabs < 0) Aabs = - Aabs;
32 Standard_Real Babs = B;
33 if (Babs < 0) Babs = - Babs;
34 Standard_Real Cabs = C;
35 if (Cabs < 0) Cabs = - Cabs;
38 // pour determiner l axe X :
39 // on dit que le produit scalaire Vx.V = 0.
40 // et on recherche le max(A,B,C) pour faire la division.
41 // l une des coordonnees du vecteur est nulle.
43 if ( Babs <= Aabs && Babs <= Cabs) {
44 if (Aabs > Cabs) D.SetCoord(-C,0., A);
45 else D.SetCoord( C,0.,-A);
47 else if( Aabs <= Babs && Aabs <= Cabs) {
48 if (Babs > Cabs) D.SetCoord(0.,-C, B);
49 else D.SetCoord(0., C,-B);
52 if (Aabs > Babs) D.SetCoord(-B, A,0.);
53 else D.SetCoord( B,-A,0.);
56 vydir = V.Crossed(vxdir);
59 void gp_Ax3::Mirror(const gp_Pnt& P)
66 gp_Ax3 gp_Ax3::Mirrored(const gp_Pnt& P)const
73 void gp_Ax3::Mirror(const gp_Ax1& A1)
80 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax1& A1)const
87 void gp_Ax3::Mirror(const gp_Ax2& A2)
94 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax2& A2)const