mfp/src/SteppingAction.cc

0001 //
0002 // ********************************************************************
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0025 //
0026 /// \file SteppingAction.cc
0027 /// \brief Implementation of the SteppingAction class
0028
0029 // This example is provided by the Geant4-DNA collaboration
0030 // Any report or published results obtained using the Geant4-DNA software
0031 // shall cite the following Geant4-DNA collaboration publications:
0032 // Med. Phys. 45 (2018) e722-e739
0033 // Phys. Med. 31 (2015) 861-874
0034 // Med. Phys. 37 (2010) 4692-4708
0035 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
0036 //
0037 // The Geant4-DNA web site is available at http://geant4-dna.org
0038 //
0039
0040 #include "SteppingAction.hh"
0041
0042 #include "HistoManager.hh"
0043 #include "Run.hh"
0044
0045 #include "G4RunManager.hh"
0046
0047 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0048
0049 SteppingAction::SteppingAction() : G4UserSteppingAction() {}
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052
0053 SteppingAction::~SteppingAction() {}
0054
0055 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0056
0057 void SteppingAction::UserSteppingAction(const G4Step* aStep)
0058 {
0059   const G4StepPoint* endPoint = aStep->GetPostStepPoint();
0060   G4String procName = endPoint->GetProcessDefinedStep()->GetProcessName();
0061
0062   Run* run = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
0063
0064   G4bool transmit = (endPoint->GetStepStatus() <= fGeomBoundary);
0065   if (transmit) {
0066     run->CountProcesses(procName);
0067   }
0068   else {
0069     // Count processes and sum track length
0070     G4double stepLength = aStep->GetStepLength();
0071     run->CountProcesses(procName);
0072     run->SumTrack(stepLength);
0073   }
0074
0075   // Call analysis manager
0076   G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0077
0078   // Scattered primary particle
0079   G4int id = 1;
0080   if (aStep->GetTrack()->GetTrackStatus() == fAlive) {
0081     G4double energy = endPoint->GetKineticEnergy();
0082     analysisManager->FillH1(id, energy);
0083     id = 2;
0084     G4ThreeVector direction = endPoint->GetMomentumDirection();
0085     // Assuming incident particle shot along x
0086     G4double costeta = direction.x();
0087     analysisManager->FillH1(id, costeta);
0088   }
0089
0090   // Secondaries
0091   const std::vector<const G4Track*>* secondary = aStep->GetSecondaryInCurrentStep();
0092   for (size_t lp = 0; lp < (*secondary).size(); lp++) {
0093     G4double charge = (*secondary)[lp]->GetDefinition()->GetPDGCharge();
0094     if (charge != 0.) {
0095       id = 3;
0096     }
0097     else {
0098       id = 5;
0099     }
0100     G4double energy = (*secondary)[lp]->GetKineticEnergy();
0101     analysisManager->FillH1(id, energy);
0102
0103     ++id;
0104     G4ThreeVector direction = (*secondary)[lp]->GetMomentumDirection();
0105     G4double costeta = direction.x();
0106     analysisManager->FillH1(id, costeta);
0107
0108     // Energy tranferred to charged secondaries
0109     if (charge != 0.) {
0110       run->SumeTransf(energy);
0111     }
0112   }
0113
0114   // Kill event after first interaction
0115   G4RunManager::GetRunManager()->AbortEvent();
0116 }