| Geant4 Cross Reference |
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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7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
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10 // * 10 // * *
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17 // * 17 // * *
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 // 26 //
27 // ------------------------------------------- 27 // ------------------------------------------------------------
28 // GEANT 4 class implementation file << 28 // GEANT 4 class implementation file
29 // ------------------------------------------- 29 // ------------------------------------------------------------
30 // 30 //
31 31
32 #include "G4ErrorFreeTrajParam.hh" 32 #include "G4ErrorFreeTrajParam.hh"
33 #include "G4ThreeVector.hh" 33 #include "G4ThreeVector.hh"
34 #include "G4SystemOfUnits.hh" 34 #include "G4SystemOfUnits.hh"
35 35
36 #include <iomanip> 36 #include <iomanip>
37 37
38 //-------------------------------------------- 38 //------------------------------------------------------------------------
39 G4ErrorFreeTrajParam::G4ErrorFreeTrajParam(con << 39 G4ErrorFreeTrajParam::G4ErrorFreeTrajParam( const G4Point3D& pos,
40 con << 40 const G4Vector3D& mom )
41 { 41 {
42 SetParameters(pos, mom); << 42 SetParameters( pos, mom );
43 } 43 }
44 44
>> 45
45 //-------------------------------------------- 46 //------------------------------------------------------------------------
46 void G4ErrorFreeTrajParam::SetParameters(const << 47 void G4ErrorFreeTrajParam::SetParameters( const G4Point3D& pos,
47 const << 48 const G4Vector3D& mom )
48 { 49 {
49 fInvP = 1. / mom.mag(); << 50 fInvP = 1./mom.mag();
50 fDir = mom * fInvP; << 51 fDir = mom*fInvP;
51 fLambda = 90. * deg - mom.theta(); << 52 fLambda = 90.*deg - mom.theta();
52 fPhi = mom.phi(); << 53 fPhi = mom.phi();
53 G4Vector3D vxPerp(0., 0., 0.); << 54 G4Vector3D vxPerp(0.,0.,0.);
54 if(mom.mag() > 0.) << 55 if( mom.mag() > 0.) {
55 { << 56 vxPerp = mom/mom.mag();
56 vxPerp = mom / mom.mag(); <<
57 } 57 }
58 G4Vector3D vyPerp = G4Vector3D(-vxPerp.y(), << 58 G4Vector3D vyPerp = G4Vector3D( -vxPerp.y(), vxPerp.x(), 0.);
59 vyPerp /= vyPerp.mag(); 59 vyPerp /= vyPerp.mag();
60 G4Vector3D vzPerp = vxPerp.cross(vyPerp); << 60 G4Vector3D vzPerp = vxPerp.cross( vyPerp );
61 vzPerp /= vzPerp.mag(); 61 vzPerp /= vzPerp.mag();
62 // check if right handed 62 // check if right handed
63 // fXPerp = pos.proj( mom ); 63 // fXPerp = pos.proj( mom );
64 G4ThreeVector posv(pos); 64 G4ThreeVector posv(pos);
65 if(vyPerp.mag() != 0.) << 65 if( vyPerp.mag() != 0. ) {
66 { <<
67 // now all 2 scalar memeber variables reta 66 // now all 2 scalar memeber variables retain the signs
68 // fYPerp = posv.project( vyPerp ).mag(); 67 // fYPerp = posv.project( vyPerp ).mag();
69 // fZPerp = posv.project( vzPerp ).mag(); 68 // fZPerp = posv.project( vzPerp ).mag();
70 fYPerp = posv.dot(vyPerp); << 69 fYPerp = posv.dot( vyPerp );
71 fZPerp = posv.dot(vzPerp); << 70 fZPerp = posv.dot( vzPerp );
72 } << 71 } else {
73 else <<
74 { <<
75 fYPerp = 0.; 72 fYPerp = 0.;
76 fZPerp = 0.; 73 fZPerp = 0.;
77 } 74 }
78 } 75 }
79 76
80 //-------------------------------------------- 77 //------------------------------------------------------------------------
81 void G4ErrorFreeTrajParam::Update(const G4Trac << 78 void G4ErrorFreeTrajParam::Update( const G4Track* aTrack )
82 { 79 {
83 SetParameters(aTrack->GetPosition(), aTrack- << 80 SetParameters( aTrack->GetPosition(), aTrack->GetMomentum() );
>> 81
84 } 82 }
85 83
>> 84
86 //-------------------------------------------- 85 //------------------------------------------------------------------------
87 std::ostream& operator<<(std::ostream& out, co 86 std::ostream& operator<<(std::ostream& out, const G4ErrorFreeTrajParam& tp)
88 { 87 {
89 G4long oldprc = out.precision(8); << 88 G4int oldprc = out.precision(8);
90 out << " InvP= " << tp.fInvP << " Theta= " < << 89 out << " InvP= " << tp.fInvP << " Theta= "
91 << " Phi= " << tp.fPhi << " YPerp= " << << 90 << tp.fLambda << " Phi= " << tp.fPhi << " YPerp= " << tp.fYPerp
92 << " ZPerp= " << tp.fZPerp << G4endl; 91 << " ZPerp= " << tp.fZPerp << G4endl;
93 out << " momentum direction= " << tp.fDir << 92 out << " momentum direction= " << tp.fDir << G4endl;
94 out.precision(oldprc); 93 out.precision(oldprc);
95 << 94
96 return out; 95 return out;
97 } 96 }
98 97