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25 // 25 //
26 /// \file medical/electronScattering/src/Track 26 /// \file medical/electronScattering/src/TrackingAction.cc
27 /// \brief Implementation of the TrackingActio 27 /// \brief Implementation of the TrackingAction class
28 // 28 //
29 // 29 //
>> 30 // $Id$
30 // 31 //
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 //....oooOO0OOooo........oooOO0OOooo........oo 33 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 34
34 #include "TrackingAction.hh" 35 #include "TrackingAction.hh"
35 36
36 #include "DetectorConstruction.hh" 37 #include "DetectorConstruction.hh"
37 #include "HistoManager.hh" <<
38 #include "Run.hh" 38 #include "Run.hh"
>> 39 #include "HistoManager.hh"
39 40
>> 41 #include "G4Track.hh"
40 #include "G4PhysicalConstants.hh" 42 #include "G4PhysicalConstants.hh"
41 #include "G4RunManager.hh" <<
42 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
43 #include "G4Track.hh" << 44 #include "G4RunManager.hh"
44 45
45 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 47
47 TrackingAction::TrackingAction(DetectorConstru << 48 TrackingAction::TrackingAction(DetectorConstruction* DET)
>> 49 :fDetector(DET)
48 { 50 {
49 fZend = 0.5 * (fDetector->GetThicknessWorld( << 51 fZend = 0.5*(fDetector->GetThicknessWorld());
50 } 52 }
51 << 53
52 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 55
54 void TrackingAction::PreUserTrackingAction(con << 56 void TrackingAction::PreUserTrackingAction(const G4Track*)
>> 57 { }
55 58
56 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 60
58 void TrackingAction::PostUserTrackingAction(co 61 void TrackingAction::PostUserTrackingAction(const G4Track* track)
59 { 62 {
60 G4AnalysisManager* analysisManager = G4Analy 63 G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
61 << 64
62 G4double charge = track->GetDefinition()->Ge 65 G4double charge = track->GetDefinition()->GetPDGCharge();
63 G4ThreeVector position = track->GetPosition( 66 G4ThreeVector position = track->GetPosition();
64 G4ThreeVector direction = track->GetMomentum << 67 G4ThreeVector direction = track->GetMomentumDirection();
65 68
66 if (charge == 0.0) return; << 69 if (charge == 0.0) return;
67 if (position.z() < fZend) return; 70 if (position.z() < fZend) return;
68 if (direction.z() <= 0.) return; 71 if (direction.z() <= 0.) return;
69 << 72
70 G4double rmin, dr, ds; 73 G4double rmin, dr, ds;
71 G4int ih = 1; 74 G4int ih = 1;
72 << 75
73 // projected angle at exit << 76 //projected angle at exit
74 << 77
75 G4double ux = direction.x(), uy = direction. 78 G4double ux = direction.x(), uy = direction.y(), uz = direction.z();
76 G4double thetax = std::atan(ux / uz); << 79 G4double thetax = std::atan(ux/uz);
77 G4double thetay = std::atan(uy / uz); << 80 G4double thetay = std::atan(uy/uz);
78 analysisManager->FillH1(ih, thetax); 81 analysisManager->FillH1(ih, thetax);
79 analysisManager->FillH1(ih, thetay); 82 analysisManager->FillH1(ih, thetay);
80 << 83
81 // dN/dS at exit << 84 //dN/dS at exit
82 << 85
83 G4double x = position.x(), y = position.y(); 86 G4double x = position.x(), y = position.y();
84 G4double r = std::sqrt(x * x + y * y); << 87 G4double r = std::sqrt(x*x + y*y);
85 ih = 2; 88 ih = 2;
86 dr = analysisManager->GetH1Width(ih); 89 dr = analysisManager->GetH1Width(ih);
87 rmin = ((int)(r / dr)) * dr; << 90 rmin = ((int)(r/dr))*dr;
88 ds = twopi * (rmin + 0.5 * dr) * dr; << 91 ds = twopi*(rmin + 0.5*dr)*dr;
89 analysisManager->FillH1(ih, r, 1 / ds); << 92 analysisManager->FillH1(ih, r, 1/ds);
90 << 93
91 // d(N/cost)/dS at exit << 94 //d(N/cost)/dS at exit
92 << 95
93 ih = 3; 96 ih = 3;
94 dr = analysisManager->GetH1Width(ih); 97 dr = analysisManager->GetH1Width(ih);
95 rmin = ((int)(r / dr)) * dr; << 98 rmin = ((int)(r/dr))*dr;
96 ds = twopi * (rmin + 0.5 * dr) * dr; << 99 ds = twopi*(rmin + 0.5*dr)*dr;
97 analysisManager->FillH1(ih, r, 1 / (uz * ds) << 100 analysisManager->FillH1(ih, r, 1/(uz*ds));
98 << 101
99 // vector of d(N/cost)/dS at exit << 102 //vector of d(N/cost)/dS at exit
100 << 103
101 Run* run = static_cast<Run*>(G4RunManager::G << 104 Run* run = static_cast<Run*>(
102 << 105 G4RunManager::GetRunManager()->GetNonConstCurrentRun());
103 run->SumFluence(r, 1 / uz); << 106
104 << 107 run->SumFluence(r, 1/uz);
105 // space angle at exit : dN/dOmega << 108
106 << 109 //space angle at exit : dN/dOmega
>> 110
107 ih = 5; 111 ih = 5;
108 G4double theta = std::acos(uz); 112 G4double theta = std::acos(uz);
109 if (theta > 0.) { 113 if (theta > 0.) {
110 G4double dtheta = analysisManager->GetH1Wi << 114 G4double dtheta = analysisManager->GetH1Width(ih);
111 G4double unit = analysisManager->GetH1Unit << 115 G4double unit = analysisManager->GetH1Unit(ih);
112 if (dtheta > 0.) { << 116 if (dtheta > 0.) {
113 G4double weight = unit * unit / (twopi * << 117 G4double weight = unit*unit/(twopi*std::sin(theta)*dtheta);
114 analysisManager->FillH1(ih, theta, weigh << 118 analysisManager->FillH1(ih, theta, weight);
115 } << 119 }
116 } 120 }
117 << 121
118 // measured space angle at exit : dN/dOmega_ << 122 //measured space angle at exit : dN/dOmega_meas
119 // 123 //
120 ih = 6; << 124 ih = 6;
121 const G4double dist = fDetector->GetZdist_fo 125 const G4double dist = fDetector->GetZdist_foil_detector();
122 G4double thetam = std::atan(r / dist); << 126 G4double thetam = std::atan(r/dist);
123 if (thetam > 0.) { 127 if (thetam > 0.) {
124 G4double dtheta = analysisManager->GetH1Wi << 128 G4double dtheta = analysisManager->GetH1Width(ih);
125 G4double unit = analysisManager->GetH1Unit << 129 G4double unit = analysisManager->GetH1Unit(ih);
126 if (dtheta > 0.) { << 130 if (dtheta > 0.) {
127 G4double weight = unit * unit / (twopi * << 131 G4double weight = unit*unit/(twopi*std::sin(thetam)*dtheta);
128 analysisManager->FillH1(ih, thetam, weig << 132 analysisManager->FillH1(ih, thetam, weight);
129 } << 133 }
130 } 134 }
>> 135
131 } 136 }
132 137
133 //....oooOO0OOooo........oooOO0OOooo........oo 138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 139
134 140