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26 /// \file electromagnetic/TestEm15/src/Steppin << 26 // $Id: SteppingAction.cc,v 1.6 2007/03/15 15:52:39 maire Exp $
27 /// \brief Implementation of the SteppingActio << 27 // GEANT4 tag $Name: geant4-08-03 $
28 // << 28 //
29 // <<
30 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 31
33 #include "SteppingAction.hh" 32 #include "SteppingAction.hh"
34 <<
35 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
36 #include "HistoManager.hh" << 34 #include "PrimaryGeneratorAction.hh"
37 #include "RunAction.hh" 35 #include "RunAction.hh"
>> 36 #include "HistoManager.hh"
38 37
39 #include "G4ParticleTypes.hh" <<
40 #include "G4RunManager.hh" 38 #include "G4RunManager.hh"
41 39
42 #include <G4RotationMatrix.hh> <<
43 #include <G4ThreeVector.hh> <<
44 <<
45 //....oooOO0OOooo........oooOO0OOooo........oo 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 41
47 SteppingAction::SteppingAction(DetectorConstru << 42 SteppingAction::SteppingAction(DetectorConstruction* det,
48 : G4UserSteppingAction(), fDetector(det), fR << 43 PrimaryGeneratorAction* prim, RunAction* RuAct,
49 {} << 44 HistoManager* Hist)
>> 45 :detector(det), primary(prim), runAction(RuAct), histoManager(Hist)
>> 46 { }
50 47
51 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 49
53 SteppingAction::~SteppingAction() {} << 50 SteppingAction::~SteppingAction()
>> 51 { }
54 52
55 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 54
57 void SteppingAction::UserSteppingAction(const 55 void SteppingAction::UserSteppingAction(const G4Step* aStep)
58 { 56 {
59 G4StepPoint* prePoint = aStep->GetPreStepPoi 57 G4StepPoint* prePoint = aStep->GetPreStepPoint();
60 << 58
61 // if World --> return 59 // if World --> return
62 if (prePoint->GetTouchableHandle()->GetVolum << 60 if (prePoint->GetTouchableHandle()->GetVolume()==detector->GetWorld()) return;
63 << 61
64 // here we enter in the absorber Box 62 // here we enter in the absorber Box
65 // tag the event to be killed anyway after t 63 // tag the event to be killed anyway after this step
66 // 64 //
67 G4RunManager::GetRunManager()->AbortEvent(); 65 G4RunManager::GetRunManager()->AbortEvent();
68 << 66
69 // count processes and keep only Multiple Sc << 67 //count processes and keep only Multiple Scattering
70 // << 68 //
71 G4StepPoint* endPoint = aStep->GetPostStepPo 69 G4StepPoint* endPoint = aStep->GetPostStepPoint();
72 G4String procName = endPoint->GetProcessDefi 70 G4String procName = endPoint->GetProcessDefinedStep()->GetProcessName();
73 fRunAction->CountProcesses(procName); << 71 runAction->CountProcesses(procName);
74 << 72
75 if (procName == "msc" || procName == "muMsc" << 73 if (procName != "msc" && procName != "stepMax") return;
76 // below, only multiple Scattering happens << 74
77 // << 75 //below, only multiple Scattering happens
78 G4ThreeVector position = endPoint->GetPosi << 76 //
79 G4ThreeVector direction = endPoint->GetMom << 77 G4ThreeVector position = endPoint->GetPosition();
80 << 78 G4ThreeVector direction = endPoint->GetMomentumDirection();
81 G4double truePathLength = aStep->GetStepLe << 79
82 G4double geomPathLength = position.x() + 0 << 80 G4double truePathLength = aStep->GetStepLength();
83 G4double ratio = geomPathLength / truePath << 81 G4double geomPathLength = position.x() + 0.5*detector->GetBoxSize();
84 fRunAction->SumPathLength(truePathLength, << 82 G4double ratio = geomPathLength/truePathLength;
85 G4AnalysisManager* analysisManager = G4Ana << 83 runAction->SumPathLength(truePathLength,geomPathLength);
86 analysisManager->FillH1(1, truePathLength) << 84 histoManager->FillHisto(1,truePathLength);
87 analysisManager->FillH1(2, geomPathLength) << 85 histoManager->FillHisto(2,geomPathLength);
88 analysisManager->FillH1(3, ratio); << 86 histoManager->FillHisto(3,ratio);
89 << 87
90 G4double yend = position.y(), zend = posit << 88 G4double yend = position.y(), zend = position.z();
91 G4double lateralDisplacement = std::sqrt(y << 89 G4double lateralDisplacement = std::sqrt(yend*yend + zend*zend);
92 fRunAction->SumLateralDisplacement(lateral << 90 runAction->SumLateralDisplacement(lateralDisplacement);
93 analysisManager->FillH1(4, lateralDisplace << 91 histoManager->FillHisto(4,lateralDisplacement);
94 << 92
95 G4double psi = std::atan(lateralDisplaceme << 93 G4double psi = std::atan(lateralDisplacement/geomPathLength);
96 fRunAction->SumPsi(psi); << 94 runAction->SumPsi(psi);
97 analysisManager->FillH1(5, psi); << 95 histoManager->FillHisto(5,psi);
98 << 96
99 G4double xdir = direction.x(), ydir = dire << 97 G4double xdir = direction.x(), ydir = direction.y(), zdir = direction.z();
100 G4double tetaPlane = std::atan2(ydir, xdir << 98 G4double tetaPlane = std::atan2(ydir, xdir);
101 fRunAction->SumTetaPlane(tetaPlane); << 99 runAction->SumTetaPlane(tetaPlane);
102 analysisManager->FillH1(6, tetaPlane); << 100 histoManager->FillHisto(6,tetaPlane);
103 tetaPlane = std::atan2(zdir, xdir); << 101 tetaPlane = std::atan2(zdir, xdir);
104 fRunAction->SumTetaPlane(tetaPlane); << 102 runAction->SumTetaPlane(tetaPlane);
105 analysisManager->FillH1(6, tetaPlane); << 103 histoManager->FillHisto(6,tetaPlane);
106 << 104
107 G4double phiPos = std::atan2(zend, yend); << 105 G4double phiPos = std::atan2(zend, yend);
108 analysisManager->FillH1(7, phiPos); << 106 histoManager->FillHisto(7,phiPos);
109 G4double phiDir = std::atan2(zdir, ydir); << 107 G4double phiDir = std::atan2(zdir, ydir);
110 analysisManager->FillH1(8, phiDir); << 108 histoManager->FillHisto(8,phiDir);
111 << 109
112 G4double phiCorrel = 0.; << 110 G4double phiCorrel = 0.;
113 if (lateralDisplacement > 0.) phiCorrel = << 111 if (lateralDisplacement > 0.)
114 fRunAction->SumPhiCorrel(phiCorrel); << 112 phiCorrel = (yend*ydir + zend*zdir)/lateralDisplacement;
115 analysisManager->FillH1(9, phiCorrel); << 113 runAction->SumPhiCorrel(phiCorrel);
116 } << 114 histoManager->FillHisto(9,phiCorrel);
117 else if (procName == "conv" || procName == " <<
118 // gamma conversion <<
119 <<
120 G4StepPoint* PrePoint = aStep->GetPreStepP <<
121 G4double EGamma = PrePoint->GetTotalEnergy <<
122 G4ThreeVector PGamma = PrePoint->GetMoment <<
123 G4ThreeVector PolaGamma = PrePoint->GetPol <<
124 <<
125 G4double Eplus = -1; <<
126 G4ThreeVector Pplus, Pminus, Precoil; <<
127 <<
128 const G4TrackVector* secondary = fpSteppin <<
129 <<
130 const size_t Nsecondaries = (*secondary).s <<
131 <<
132 // No conversion , E < threshold <<
133 if (Nsecondaries == 0) return; <<
134 <<
135 for (size_t lp = 0; lp < std::min(Nseconda <<
136 if (((*secondary)[lp]->GetDefinition() = <<
137 || ((*secondary)[lp]->GetDefinition( <<
138 { <<
139 Pminus = (*secondary)[lp]->GetMomentum <<
140 } <<
141 if (((*secondary)[lp]->GetDefinition() = <<
142 || ((*secondary)[lp]->GetDefinition( <<
143 { <<
144 Eplus = (*secondary)[lp]->GetTotalEner <<
145 Pplus = (*secondary)[lp]->GetMomentum( <<
146 } <<
147 } <<
148 <<
149 if (Nsecondaries >= 3) { <<
150 Precoil = (*secondary)[2]->GetMomentum() <<
151 } <<
152 <<
153 G4AnalysisManager* analysisManager = G4Ana <<
154 <<
155 // Fill Histograms <<
156 <<
157 G4ThreeVector z = PGamma.unit(); // gamma <<
158 G4ThreeVector x(1., 0., 0.); <<
159 <<
160 // pola perpendicular to direction <<
161 <<
162 if (PolaGamma.mag() != 0.0) { <<
163 x = PolaGamma.unit(); <<
164 } <<
165 else { // Pola = 0 case <<
166 x = z.orthogonal().unit(); <<
167 } <<
168 <<
169 G4ThreeVector y = z; <<
170 y = y.cross(x); <<
171 <<
172 G4RotationMatrix GtoW(x, y, z); // from <<
173 G4RotationMatrix WtoG = inverseOf(GtoW); <<
174 <<
175 G4double angleE = Pplus.angle(Pminus) * EG <<
176 analysisManager->FillH1(10, angleE); <<
177 <<
178 if (Nsecondaries >= 3) { <<
179 // recoil returned <<
180 analysisManager->FillH1(11, std::log10(P <<
181 analysisManager->FillH1(12, Precoil.tran <<
182 } <<
183 G4double phiPlus = Pplus.transform(WtoG).p <<
184 G4double phiMinus = Pminus.transform(WtoG) <<
185 analysisManager->FillH1(13, phiPlus); <<
186 analysisManager->FillH1(14, std::cos(phiPl <<
187 analysisManager->FillH1(15, Eplus / EGamma <<
188 <<
189 G4double phiPola = PolaGamma.transform(Wto <<
190 analysisManager->FillH1(16, phiPola); <<
191 } <<
192 } 115 }
193 116
194 //....oooOO0OOooo........oooOO0OOooo........oo 117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 118
>> 119
195 120