brachytherapy/src/BrachySteppingAction.cc

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0025 //
0026 // Author: Susanna Guatelli (guatelli@ge.infn.it)
0027 //
0028 #include "BrachySteppingAction.hh"
0029 #include "G4AnalysisManager.hh"
0030 #include "G4ios.hh"
0031 #include "G4SteppingManager.hh"
0032 #include "G4Step.hh"
0033 #include "G4Track.hh"
0034 #include "G4StepPoint.hh"
0035 #include "G4ParticleDefinition.hh"
0036 #include "G4VPhysicalVolume.hh"
0037 #include "G4TrackStatus.hh"
0038 #include "G4ParticleDefinition.hh"
0039 #include "G4Gamma.hh"
0040 #include "G4SystemOfUnits.hh"
0041
0042
0043 void BrachySteppingAction::UserSteppingAction(const G4Step* aStep)
0044 {
0045
0046 // Retrieve the spectrum of photons emitted in the Radioactive Decay
0047 // and store it in a 1D histogram
0048
0049   G4SteppingManager*  steppingManager = fpSteppingManager;
0050   G4Track* theTrack = aStep-> GetTrack();
0051
0052   // check if it is alive
0053   if(theTrack-> GetTrackStatus() == fAlive) {return;}
0054
0055   // Retrieve the secondary particles
0056   G4TrackVector* fSecondary = steppingManager -> GetfSecondary();
0057
0058    for(size_t lp1=0;lp1<(*fSecondary).size(); lp1++)
0059    {
0060      // Retrieve particle
0061      const G4ParticleDefinition* particleName = (*fSecondary)[lp1] -> GetDefinition();
0062
0063      if (particleName == G4Gamma::Definition())
0064      {
0065       G4String process = (*fSecondary)[lp1]-> GetCreatorProcess()-> GetProcessName();
0066
0067       // Retrieve the process originating it
0068       // G4cout << "creator process " << process << G4endl;
0069         if (process == "RadioactiveDecay")
0070          {
0071           G4double energy = (*fSecondary)[lp1]  -> GetKineticEnergy();
0072           G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0073            // Fill histogram with energy spectrum of the photons emitted in the
0074            // radioactive decay
0075            analysisManager -> FillH1(0, energy/keV);
0076          }
0077       }
0078    }
0079 }