extended/medical/dna/range/src/TrackingAction.cc

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#include "TrackingAction.hh"

#include "Run.hh"
#include "PrimaryGeneratorAction.hh"
#include "HistoManager.hh"

#include "G4RunManager.hh"
#include "G4Positron.hh"

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TrackingAction::TrackingAction(PrimaryGeneratorAction* prim)
:G4UserTrackingAction(),
 fPrimary(prim)
{}

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void TrackingAction::PreUserTrackingAction(const G4Track* track)
{
 G4int trackID = track->GetTrackID();
 if (trackID == 1) fTrackLength      = 0;
}

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void TrackingAction::PostUserTrackingAction(const G4Track* track)
{
 // histograms
 //
 G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
 
 G4int trackID = track->GetTrackID();
 
 Run* run
   = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
 
 //
 
 G4double tracklen = track->GetTrackLength();

 // *** FOR ELECTRONS

 //track length of primary particle or charged secondaries
 //
 if (trackID == 1 && track->GetDefinition()->GetPDGCharge() == -1) 
 {
   run->AddTrackLength(tracklen);
   analysisManager->FillH1(1, tracklen);
 } ;
            
 //extract projected range of primary particle
 //
 if (trackID == 1 && track->GetDefinition()->GetPDGCharge() == -1) 
 {
   G4double pr = (track->GetPosition())*
                 (fPrimary->GetParticleGun()->GetParticleMomentumDirection());
   run->AddProjRange(pr);
   analysisManager->FillH1(2, pr);
 }
            
 //extract penetration range of primary particle
 //
 if (trackID == 1 && track->GetDefinition()->GetPDGCharge() == -1) 
 { 
   G4double pene = std::sqrt((track->GetPosition())*(track->GetPosition()));
   run->AddPenetration(pene);   
   analysisManager->FillH1(3, pene);
 };

 // *** FOR Geant4-DNA PROTONS, ALPHA AND CHARGED STATES AND IONS
 // track->GetDefinition()->GetPDGMass() > 0 avoids gammas

 //track length of primary particle or charged secondaries
 //
 
 if (track->GetDefinition()->GetPDGCharge() >= 0 
     && track->GetDefinition()->GetPDGMass() > 0
     && track->GetDefinition() != G4Positron::PositronDefinition() 
    ) 
 {   
    //local cumulation is required before scoring once
    fTrackLength =  fTrackLength + tracklen;
    
    if (track->GetKineticEnergy()==0) 
    {
      run->AddTrackLength(fTrackLength);    
      analysisManager->FillH1(1, fTrackLength);
    }
 }
           
 //extract projected range of primary particle
 //

 if (track->GetDefinition()->GetPDGCharge() >= 0 
     && track->GetDefinition()->GetPDGMass() > 0
     && track->GetDefinition() != G4Positron::PositronDefinition() 
    ) 
 {  
   G4double pr = (track->GetPosition())*
                 (fPrimary->GetParticleGun()->GetParticleMomentumDirection());
   
   if (track->GetKineticEnergy()==0)
   { 
     run->AddProjRange(pr);
     analysisManager->FillH1(2, pr);
   }  
 }
            
 //extract penetration range of primary particle
 //
 if (track->GetDefinition()->GetPDGCharge() >= 0 
     && track->GetDefinition()->GetPDGMass() > 0
     && track->GetDefinition() != G4Positron::PositronDefinition() 
    ) 
 {    
   G4double pene = std::sqrt((track->GetPosition())*(track->GetPosition()));
   
   if (track->GetKineticEnergy()==0)
   { 
     run->AddPenetration(pene); 
     analysisManager->FillH1(3, pene);
   }  
 };

}