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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 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 * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 /// \file electromagnetic/TestEm15/src/Steppin 26 /// \file electromagnetic/TestEm15/src/SteppingAction.cc 27 /// \brief Implementation of the SteppingActio 27 /// \brief Implementation of the SteppingAction class 28 // 28 // 29 // << 29 // 30 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 32 32 33 #include "SteppingAction.hh" 33 #include "SteppingAction.hh" 34 << 35 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh" 36 #include "HistoManager.hh" << 37 #include "RunAction.hh" 35 #include "RunAction.hh" 38 << 36 #include "HistoManager.hh" 39 #include "G4ParticleTypes.hh" 37 #include "G4ParticleTypes.hh" >> 38 40 #include "G4RunManager.hh" 39 #include "G4RunManager.hh" 41 40 42 #include <G4RotationMatrix.hh> << 43 #include <G4ThreeVector.hh> 41 #include <G4ThreeVector.hh> >> 42 #include <G4RotationMatrix.hh> 44 43 45 //....oooOO0OOooo........oooOO0OOooo........oo 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 46 45 47 SteppingAction::SteppingAction(DetectorConstru << 46 SteppingAction::SteppingAction(DetectorConstruction* det, 48 : G4UserSteppingAction(), fDetector(det), fR << 47 RunAction* RuAct) 49 {} << 48 :G4UserSteppingAction(),fDetector(det), fRunAction(RuAct) >> 49 { } 50 50 51 //....oooOO0OOooo........oooOO0OOooo........oo 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 52 52 53 SteppingAction::~SteppingAction() {} << 53 SteppingAction::~SteppingAction() >> 54 { } 54 55 55 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 56 57 57 void SteppingAction::UserSteppingAction(const 58 void SteppingAction::UserSteppingAction(const G4Step* aStep) 58 { 59 { 59 G4StepPoint* prePoint = aStep->GetPreStepPoi 60 G4StepPoint* prePoint = aStep->GetPreStepPoint(); 60 << 61 61 // if World --> return 62 // if World --> return 62 if (prePoint->GetTouchableHandle()->GetVolum << 63 if(prePoint->GetTouchableHandle()->GetVolume()==fDetector->GetWorld()) return; 63 << 64 64 // here we enter in the absorber Box 65 // here we enter in the absorber Box 65 // tag the event to be killed anyway after t 66 // tag the event to be killed anyway after this step 66 // 67 // 67 G4RunManager::GetRunManager()->AbortEvent(); 68 G4RunManager::GetRunManager()->AbortEvent(); 68 << 69 69 // count processes and keep only Multiple Sc << 70 //count processes and keep only Multiple Scattering or gamma converion 70 // << 71 // 71 G4StepPoint* endPoint = aStep->GetPostStepPo 72 G4StepPoint* endPoint = aStep->GetPostStepPoint(); 72 G4String procName = endPoint->GetProcessDefi 73 G4String procName = endPoint->GetProcessDefinedStep()->GetProcessName(); 73 fRunAction->CountProcesses(procName); 74 fRunAction->CountProcesses(procName); 74 << 75 75 if (procName == "msc" || procName == "muMsc" 76 if (procName == "msc" || procName == "muMsc" || procName == "stepMax") { 76 // below, only multiple Scattering happens << 77 >> 78 //below, only multiple Scattering happens 77 // 79 // 78 G4ThreeVector position = endPoint->GetPosi << 80 G4ThreeVector position = endPoint->GetPosition(); 79 G4ThreeVector direction = endPoint->GetMom 81 G4ThreeVector direction = endPoint->GetMomentumDirection(); 80 << 82 81 G4double truePathLength = aStep->GetStepLe << 83 G4double truePathLength = aStep->GetStepLength(); 82 G4double geomPathLength = position.x() + 0 << 84 G4double geomPathLength = position.x() + 0.5*fDetector->GetBoxSize(); 83 G4double ratio = geomPathLength / truePath << 85 G4double ratio = geomPathLength/truePathLength; 84 fRunAction->SumPathLength(truePathLength, << 86 fRunAction->SumPathLength(truePathLength,geomPathLength); 85 G4AnalysisManager* analysisManager = G4Ana << 87 G4AnalysisManager* analysisManager = G4AnalysisManager::Instance(); 86 analysisManager->FillH1(1, truePathLength) << 88 analysisManager->FillH1(1,truePathLength); 87 analysisManager->FillH1(2, geomPathLength) << 89 analysisManager->FillH1(2,geomPathLength); 88 analysisManager->FillH1(3, ratio); << 90 analysisManager->FillH1(3,ratio); 89 << 91 90 G4double yend = position.y(), zend = posit 92 G4double yend = position.y(), zend = position.z(); 91 G4double lateralDisplacement = std::sqrt(y << 93 G4double lateralDisplacement = std::sqrt(yend*yend + zend*zend); 92 fRunAction->SumLateralDisplacement(lateral 94 fRunAction->SumLateralDisplacement(lateralDisplacement); 93 analysisManager->FillH1(4, lateralDisplace << 95 analysisManager->FillH1(4,lateralDisplacement); 94 << 96 95 G4double psi = std::atan(lateralDisplaceme << 97 G4double psi = std::atan(lateralDisplacement/geomPathLength); 96 fRunAction->SumPsi(psi); 98 fRunAction->SumPsi(psi); 97 analysisManager->FillH1(5, psi); << 99 analysisManager->FillH1(5,psi); 98 << 100 99 G4double xdir = direction.x(), ydir = dire << 101 G4double xdir = direction.x(), ydir = direction.y(), zdir = direction.z(); 100 G4double tetaPlane = std::atan2(ydir, xdir << 102 G4double tetaPlane = std::atan2(ydir, xdir); 101 fRunAction->SumTetaPlane(tetaPlane); 103 fRunAction->SumTetaPlane(tetaPlane); 102 analysisManager->FillH1(6, tetaPlane); << 104 analysisManager->FillH1(6,tetaPlane); 103 tetaPlane = std::atan2(zdir, xdir); << 105 tetaPlane = std::atan2(zdir, xdir); 104 fRunAction->SumTetaPlane(tetaPlane); 106 fRunAction->SumTetaPlane(tetaPlane); 105 analysisManager->FillH1(6, tetaPlane); << 107 analysisManager->FillH1(6,tetaPlane); 106 << 108 107 G4double phiPos = std::atan2(zend, yend); << 109 G4double phiPos = std::atan2(zend, yend); 108 analysisManager->FillH1(7, phiPos); << 110 analysisManager->FillH1(7,phiPos); 109 G4double phiDir = std::atan2(zdir, ydir); << 111 G4double phiDir = std::atan2(zdir, ydir); 110 analysisManager->FillH1(8, phiDir); << 112 analysisManager->FillH1(8,phiDir); 111 113 112 G4double phiCorrel = 0.; 114 G4double phiCorrel = 0.; 113 if (lateralDisplacement > 0.) phiCorrel = << 115 if (lateralDisplacement > 0.) >> 116 phiCorrel = (yend*ydir + zend*zdir)/lateralDisplacement; 114 fRunAction->SumPhiCorrel(phiCorrel); 117 fRunAction->SumPhiCorrel(phiCorrel); 115 analysisManager->FillH1(9, phiCorrel); << 118 analysisManager->FillH1(9,phiCorrel); 116 } << 119 } else if (procName == "conv" ) { 117 else if (procName == "conv" || procName == " << 118 // gamma conversion << 119 120 >> 121 // gamma conversion >> 122 120 G4StepPoint* PrePoint = aStep->GetPreStepP 123 G4StepPoint* PrePoint = aStep->GetPreStepPoint(); 121 G4double EGamma = PrePoint->GetTotalEnergy << 124 G4double EGamma = PrePoint->GetTotalEnergy(); 122 G4ThreeVector PGamma = PrePoint->GetMoment << 125 G4ThreeVector PGamma = PrePoint->GetMomentum(); 123 G4ThreeVector PolaGamma = PrePoint->GetPol << 126 G4ThreeVector PolaGamma = PrePoint->GetPolarization(); 124 127 125 G4double Eplus = -1; << 128 G4double Eplus=-1; 126 G4ThreeVector Pplus, Pminus, Precoil; 129 G4ThreeVector Pplus, Pminus, Precoil; 127 130 128 const G4TrackVector* secondary = fpSteppin 131 const G4TrackVector* secondary = fpSteppingManager->GetSecondary(); 129 132 130 const size_t Nsecondaries = (*secondary).s << 133 //No conversion , E < threshold 131 << 134 if ((*secondary).size() == 0) return; 132 // No conversion , E < threshold << 135 133 if (Nsecondaries == 0) return; << 136 for (size_t lp=0; lp< std::min((*secondary).size(),size_t(2) ); lp++) { 134 << 137 if ((*secondary)[lp]->GetDefinition()==G4Electron::ElectronDefinition()) { 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 138 Pminus = (*secondary)[lp]->GetMomentum(); 140 } 139 } 141 if (((*secondary)[lp]->GetDefinition() = << 140 if ((*secondary)[lp]->GetDefinition()==G4Positron::PositronDefinition()) { 142 || ((*secondary)[lp]->GetDefinition( << 141 Eplus = (*secondary)[lp]->GetTotalEnergy(); 143 { << 142 Pplus = (*secondary)[lp]->GetMomentum(); 144 Eplus = (*secondary)[lp]->GetTotalEner << 145 Pplus = (*secondary)[lp]->GetMomentum( << 146 } 143 } 147 } 144 } 148 145 149 if (Nsecondaries >= 3) { << 146 if ( (*secondary).size() >= 3 ) { 150 Precoil = (*secondary)[2]->GetMomentum() << 147 Precoil = (*secondary)[2]->GetMomentum(); >> 148 } else { >> 149 Precoil = G4ThreeVector(); 151 } 150 } 152 151 153 G4AnalysisManager* analysisManager = G4Ana 152 G4AnalysisManager* analysisManager = G4AnalysisManager::Instance(); 154 << 153 155 // Fill Histograms 154 // Fill Histograms 156 << 155 157 G4ThreeVector z = PGamma.unit(); // gamma << 156 G4ThreeVector z = PGamma.unit(); // gamma direction 158 G4ThreeVector x(1., 0., 0.); << 157 G4ThreeVector x(1.,0.,0.); 159 << 158 160 // pola perpendicular to direction 159 // pola perpendicular to direction 161 160 162 if (PolaGamma.mag() != 0.0) { << 161 if ( PolaGamma.mag() != 0.0 ) { 163 x = PolaGamma.unit(); 162 x = PolaGamma.unit(); 164 } << 163 } else { // Pola = 0 case 165 else { // Pola = 0 case << 166 x = z.orthogonal().unit(); 164 x = z.orthogonal().unit(); 167 } 165 } 168 166 169 G4ThreeVector y = z; 167 G4ThreeVector y = z; 170 y = y.cross(x); 168 y = y.cross(x); 171 169 172 G4RotationMatrix GtoW(x, y, z); // from << 170 G4RotationMatrix GtoW(x,y,z); // from gamma ref. sys. to World 173 G4RotationMatrix WtoG = inverseOf(GtoW); << 171 G4RotationMatrix WtoG = inverseOf(GtoW); // from World to gamma ref. sys. 174 172 175 G4double angleE = Pplus.angle(Pminus) * EG << 176 analysisManager->FillH1(10, angleE); << 177 173 178 if (Nsecondaries >= 3) { << 174 G4double angleE = Pplus.angle(Pminus) * EGamma; 179 // recoil returned << 175 analysisManager->FillH1(10,angleE); 180 analysisManager->FillH1(11, std::log10(P << 176 181 analysisManager->FillH1(12, Precoil.tran << 177 analysisManager->FillH1(11,std::log10(Precoil.mag())); 182 } << 178 analysisManager->FillH1(12,Precoil.transform(WtoG).phi()); 183 G4double phiPlus = Pplus.transform(WtoG).p << 179 184 G4double phiMinus = Pminus.transform(WtoG) << 180 G4double phiPlus = Pplus.transform(WtoG).phi(); 185 analysisManager->FillH1(13, phiPlus); << 181 G4double phiMinus = Pminus.transform(WtoG).phi(); 186 analysisManager->FillH1(14, std::cos(phiPl << 182 analysisManager->FillH1(13,phiPlus); 187 analysisManager->FillH1(15, Eplus / EGamma << 183 analysisManager->FillH1(14,std::cos(phiPlus + phiMinus) * -2.0); 188 << 184 analysisManager->FillH1(15,Eplus/EGamma); 189 G4double phiPola = PolaGamma.transform(Wto << 185 >> 186 G4double phiPola = PolaGamma.transform(WtoG).phi(); 190 analysisManager->FillH1(16, phiPola); 187 analysisManager->FillH1(16, phiPola); 191 } 188 } 192 } 189 } 193 190 194 //....oooOO0OOooo........oooOO0OOooo........oo 191 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 195 192