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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 // $Id: G4ErrorSurfaceTrajParam.cc,v 1.3 2007-05-31 20:22:45 arce Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 // ------------------------------------------- 29 // ------------------------------------------------------------
28 // GEANT 4 class implementation file << 30 // GEANT 4 class implementation file
29 // ------------------------------------------- 31 // ------------------------------------------------------------
30 // 32 //
31 33
32 #include "G4ErrorSurfaceTrajParam.hh" 34 #include "G4ErrorSurfaceTrajParam.hh"
33 #include <iomanip> 35 #include <iomanip>
34 36
35 #include "G4ThreeVector.hh" 37 #include "G4ThreeVector.hh"
36 #include "G4GeometryTolerance.hh" 38 #include "G4GeometryTolerance.hh"
37 39
38 //-------------------------------------------- 40 //------------------------------------------------------------------------
39 G4ErrorSurfaceTrajParam::G4ErrorSurfaceTrajPar << 41 G4ErrorSurfaceTrajParam::
40 << 42 G4ErrorSurfaceTrajParam( const G4Point3D& pos, const G4Vector3D& mom,
41 << 43 const G4Vector3D& vecV, const G4Vector3D& vecW )
42 <<
43 { 44 {
44 SetParameters(pos, mom, vecV, vecW); << 45 SetParameters( pos, mom, vecV, vecW );
45 } 46 }
46 47
>> 48
47 //-------------------------------------------- 49 //------------------------------------------------------------------------
48 G4ErrorSurfaceTrajParam::G4ErrorSurfaceTrajPar << 50 G4ErrorSurfaceTrajParam::
49 << 51 G4ErrorSurfaceTrajParam( const G4Point3D& pos, const G4Vector3D& mom,
50 << 52 const G4Plane3D& plane )
51 { 53 {
52 SetParameters(pos, mom, plane); << 54 SetParameters( pos, mom, plane );
53 } 55 }
54 56
55 //-------------------------------------------- 57 //------------------------------------------------------------------------
56 void G4ErrorSurfaceTrajParam::SetParameters(co << 58 void G4ErrorSurfaceTrajParam::
57 co << 59 SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
58 co << 60 const G4Plane3D& plane )
59 { 61 {
60 //--- Get two perpendicular vectors: first p 62 //--- Get two perpendicular vectors: first parallel X
61 // (unless normal is parallel to X, then 63 // (unless normal is parallel to X, then take Y)
62 64
63 G4double kCarTolerance = 65 G4double kCarTolerance =
64 G4GeometryTolerance::GetInstance()->GetSur 66 G4GeometryTolerance::GetInstance()->GetSurfaceTolerance();
65 67
66 G4ThreeVector Xvec(1., 0., 0.); << 68 G4ThreeVector Xvec(1.,0.,0.);
67 G4Vector3D vecV = -Xvec.cross(plane.normal() 69 G4Vector3D vecV = -Xvec.cross(plane.normal());
68 if(vecV.mag() < kCarTolerance) << 70 if( vecV.mag() < kCarTolerance )
69 { 71 {
70 G4ThreeVector Zvec(0., 0., 1.); << 72 G4ThreeVector Zvec(0.,0.,1.);
71 vecV = Zvec.cross(plane.normal()); 73 vecV = Zvec.cross(plane.normal());
72 } 74 }
73 75
74 G4Vector3D vecW = plane.normal().cross(vecV) << 76 G4Vector3D vecW = plane.normal().cross( vecV );
75 77
76 SetParameters(pos, mom, vecV, vecW); << 78 SetParameters( pos, mom, vecV, vecW );
77 } 79 }
78 80
>> 81
79 //-------------------------------------------- 82 //------------------------------------------------------------------------
80 void G4ErrorSurfaceTrajParam::SetParameters(co << 83 void G4ErrorSurfaceTrajParam::
81 co << 84 SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
82 co << 85 const G4Vector3D& vecV, const G4Vector3D& vecW )
83 co <<
84 { 86 {
85 if(mom.mag() > 0.) << 87 if( mom.mag() > 0. ) {
86 { <<
87 fDir = mom; 88 fDir = mom;
88 fDir /= mom.mag(); 89 fDir /= mom.mag();
89 } << 90 } else {
90 else << 91 fDir = G4Vector3D(0.,0.,0.);
91 { <<
92 fDir = G4Vector3D(0., 0., 0.); <<
93 } 92 }
94 fVectorV = vecV / vecV.mag(); 93 fVectorV = vecV / vecV.mag();
95 fVectorW = vecW / vecW.mag(); 94 fVectorW = vecW / vecW.mag();
96 fInvP = 1. / mom.mag(); << 95 fInvP = 1./mom.mag();
97 G4ThreeVector momv(mom); 96 G4ThreeVector momv(mom);
98 // check 3 vectors are ortogonal and right h << 97 //check 3 vectors are ortogonal and right handed
99 98
100 // now all 4 scalar memeber variables retain << 99 fPV = momv.project( vecV ).mag();
101 // fPV = momv.project( vecV ).mag(); << 100 fPW = momv.project( vecW ).mag();
102 // fPW = momv.project( vecW ).mag(); <<
103 fPV = momv.dot(vecV); <<
104 fPW = momv.dot(vecW); <<
105 101
106 G4ThreeVector posv(pos); 102 G4ThreeVector posv(pos);
107 // fV = posv.project( vecV ).mag(); << 103 fV = posv.project( vecV ).mag();
108 // fW = posv.project( vecW ).mag(); << 104 fW = posv.project( vecW ).mag();
109 fV = posv.dot(vecV); <<
110 fW = posv.dot(vecW); <<
111 } 105 }
112 106
>> 107
113 //-------------------------------------------- 108 //------------------------------------------------------------------------
114 std::ostream& operator<<(std::ostream& out, co 109 std::ostream& operator<<(std::ostream& out, const G4ErrorSurfaceTrajParam& tp)
115 { 110 {
116 // long mode = out.setf(std::ios::fixed,std 111 // long mode = out.setf(std::ios::fixed,std::ios::floatfield);
117 << 112
118 // out << tp.theType; 113 // out << tp.theType;
119 // out << std::setprecision(5) << std::setw 114 // out << std::setprecision(5) << std::setw(10);
120 out << " InvP= " << tp.fInvP << " PV= " << t << 115 out << " InvP= " << tp.fInvP << " PV= " << tp.fPV
121 << " V= " << tp.fV << " W= " << tp.fW << << 116 << " PW= " << tp.fPW << " V= " << tp.fV << " W= " << tp.fW << G4endl;
122 out << " vectorV direction= " << tp.fVectorV 117 out << " vectorV direction= " << tp.fVectorV
123 << " vectorW direction= " << tp.fVectorW 118 << " vectorW direction= " << tp.fVectorW << G4endl;
124 << 119
125 return out; 120 return out;
126 } 121 }
127 122