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>
26 #include <Standard_Dump.hxx>
28 //=======================================================================
31 //=======================================================================
32 gp_Ax3::gp_Ax3 (const gp_Pnt& P,
33 const gp_Dir& V) : axis(P,V)
35 Standard_Real A = V.X();
36 Standard_Real B = V.Y();
37 Standard_Real C = V.Z();
38 Standard_Real Aabs = A;
39 if (Aabs < 0) Aabs = - Aabs;
40 Standard_Real Babs = B;
41 if (Babs < 0) Babs = - Babs;
42 Standard_Real Cabs = C;
43 if (Cabs < 0) Cabs = - Cabs;
46 // pour determiner l axe X :
47 // on dit que le produit scalaire Vx.V = 0.
48 // et on recherche le max(A,B,C) pour faire la division.
49 // l une des coordonnees du vecteur est nulle.
51 if ( Babs <= Aabs && Babs <= Cabs) {
52 if (Aabs > Cabs) D.SetCoord(-C,0., A);
53 else D.SetCoord( C,0.,-A);
55 else if( Aabs <= Babs && Aabs <= Cabs) {
56 if (Babs > Cabs) D.SetCoord(0.,-C, B);
57 else D.SetCoord(0., C,-B);
60 if (Aabs > Babs) D.SetCoord(-B, A,0.);
61 else D.SetCoord( B,-A,0.);
64 vydir = V.Crossed(vxdir);
67 void gp_Ax3::Mirror(const gp_Pnt& P)
74 gp_Ax3 gp_Ax3::Mirrored(const gp_Pnt& P)const
81 void gp_Ax3::Mirror(const gp_Ax1& A1)
88 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax1& A1)const
95 void gp_Ax3::Mirror(const gp_Ax2& A2)
102 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax2& A2)const
110 void gp_Ax3::DumpJson (Standard_OStream& theOStream, Standard_Integer) const
112 OCCT_DUMP_VECTOR_CLASS (theOStream, "Location", 3, Location().X(), Location().Y(), Location().Z())
113 OCCT_DUMP_VECTOR_CLASS (theOStream, "Direction", 3, Direction().X(), Direction().Y(), Direction().Z())
115 OCCT_DUMP_VECTOR_CLASS (theOStream, "XDirection", 3, XDirection().X(), XDirection().Y(), XDirection().Z())
116 OCCT_DUMP_VECTOR_CLASS (theOStream, "YDirection", 3, YDirection().X(), YDirection().Y(), YDirection().Z())
119 Standard_Boolean gp_Ax3::InitFromJson (const Standard_SStream& theSStream, Standard_Integer& theStreamPos)
121 Standard_Integer aPos = theStreamPos;
122 TCollection_AsciiString aStreamStr = Standard_Dump::Text (theSStream);
125 OCCT_INIT_VECTOR_CLASS (aStreamStr, "Location", aPos, 3,
126 &anXYZLoc.ChangeCoord (1), &anXYZLoc.ChangeCoord (2), &anXYZLoc.ChangeCoord (3))
127 SetLocation (anXYZLoc);
130 OCCT_INIT_VECTOR_CLASS (aStreamStr, "Direction", aPos, 3,
131 &aDir.ChangeCoord (1), &aDir.ChangeCoord (2), &aDir.ChangeCoord (3))
133 OCCT_INIT_VECTOR_CLASS (aStreamStr, "XDirection", aPos, 3,
134 &aXDir.ChangeCoord (1), &aXDir.ChangeCoord (2), &aXDir.ChangeCoord (3))
136 OCCT_INIT_VECTOR_CLASS (aStreamStr, "YDirection", aPos, 3,
137 &anYDir.ChangeCoord (1), &anYDir.ChangeCoord (2), &anYDir.ChangeCoord (3))
139 axis.SetDirection (gp_Dir (aDir));
140 vxdir = gp_Dir (aXDir);
141 vydir = gp_Dir (anYDir);
143 if (!Direction().IsEqual (aDir, Precision::Angular()))
144 return Standard_False;
147 return Standard_True;