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
5 //
6 // This file is part of Open CASCADE Technology software library.
7 //
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.
13 //
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
16
17 #include <gp_Ax3.hxx>
18
19 #include <gp_Ax1.hxx>
20 #include <gp_Ax2.hxx>
21 #include <gp_Dir.hxx>
22 #include <gp_Pnt.hxx>
23 #include <gp_Trsf.hxx>
24 #include <gp_Vec.hxx>
25 #include <Standard_ConstructionError.hxx>
26 #include <Standard_Dump.hxx>
27
28 //=======================================================================
29 //function : gp_Ax3
30 //purpose :
31 //=======================================================================
gp_Ax3(const gp_Pnt & P,const gp_Dir & V)32 gp_Ax3::gp_Ax3 (const gp_Pnt& P,
33 const gp_Dir& V) : axis(P,V)
34 {
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;
44 gp_Dir D;
45
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.
50
51 if ( Babs <= Aabs && Babs <= Cabs) {
52 if (Aabs > Cabs) D.SetCoord(-C,0., A);
53 else D.SetCoord( C,0.,-A);
54 }
55 else if( Aabs <= Babs && Aabs <= Cabs) {
56 if (Babs > Cabs) D.SetCoord(0.,-C, B);
57 else D.SetCoord(0., C,-B);
58 }
59 else {
60 if (Aabs > Babs) D.SetCoord(-B, A,0.);
61 else D.SetCoord( B,-A,0.);
62 }
63 vxdir = D;
64 vydir = V.Crossed(vxdir);
65 }
66
Mirror(const gp_Pnt & P)67 void gp_Ax3::Mirror(const gp_Pnt& P)
68 {
69 axis.Mirror (P);
70 vxdir.Reverse ();
71 vydir.Reverse ();
72 }
73
Mirrored(const gp_Pnt & P) const74 gp_Ax3 gp_Ax3::Mirrored(const gp_Pnt& P)const
75 {
76 gp_Ax3 Temp = *this;
77 Temp.Mirror (P);
78 return Temp;
79 }
80
Mirror(const gp_Ax1 & A1)81 void gp_Ax3::Mirror(const gp_Ax1& A1)
82 {
83 vydir.Mirror (A1);
84 vxdir.Mirror (A1);
85 axis.Mirror (A1);
86 }
87
Mirrored(const gp_Ax1 & A1) const88 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax1& A1)const
89 {
90 gp_Ax3 Temp = *this;
91 Temp.Mirror (A1);
92 return Temp;
93 }
94
Mirror(const gp_Ax2 & A2)95 void gp_Ax3::Mirror(const gp_Ax2& A2)
96 {
97 vydir.Mirror (A2);
98 vxdir.Mirror (A2);
99 axis.Mirror (A2);
100 }
101
Mirrored(const gp_Ax2 & A2) const102 gp_Ax3 gp_Ax3::Mirrored(const gp_Ax2& A2)const
103 {
104 gp_Ax3 Temp = *this;
105 Temp.Mirror (A2);
106 return Temp;
107 }
108
109
DumpJson(Standard_OStream & theOStream,Standard_Integer) const110 void gp_Ax3::DumpJson (Standard_OStream& theOStream, Standard_Integer) const
111 {
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())
114
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())
117 }
118
InitFromJson(const Standard_SStream & theSStream,Standard_Integer & theStreamPos)119 Standard_Boolean gp_Ax3::InitFromJson (const Standard_SStream& theSStream, Standard_Integer& theStreamPos)
120 {
121 Standard_Integer aPos = theStreamPos;
122 TCollection_AsciiString aStreamStr = Standard_Dump::Text (theSStream);
123
124 gp_XYZ anXYZLoc;
125 OCCT_INIT_VECTOR_CLASS (aStreamStr, "Location", aPos, 3,
126 &anXYZLoc.ChangeCoord (1), &anXYZLoc.ChangeCoord (2), &anXYZLoc.ChangeCoord (3))
127 SetLocation (anXYZLoc);
128
129 gp_XYZ aDir;
130 OCCT_INIT_VECTOR_CLASS (aStreamStr, "Direction", aPos, 3,
131 &aDir.ChangeCoord (1), &aDir.ChangeCoord (2), &aDir.ChangeCoord (3))
132 gp_XYZ aXDir;
133 OCCT_INIT_VECTOR_CLASS (aStreamStr, "XDirection", aPos, 3,
134 &aXDir.ChangeCoord (1), &aXDir.ChangeCoord (2), &aXDir.ChangeCoord (3))
135 gp_XYZ anYDir;
136 OCCT_INIT_VECTOR_CLASS (aStreamStr, "YDirection", aPos, 3,
137 &anYDir.ChangeCoord (1), &anYDir.ChangeCoord (2), &anYDir.ChangeCoord (3))
138
139 axis.SetDirection (gp_Dir (aDir));
140 vxdir = gp_Dir (aXDir);
141 vydir = gp_Dir (anYDir);
142
143 if (!Direction().IsEqual (aDir, Precision::Angular()))
144 return Standard_False;
145
146 theStreamPos = aPos;
147 return Standard_True;
148 }
149