TrackingAction.cc

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// $Id: TrackingAction.cc 69099 2013-04-18 12:25:19Z maire $
//
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#include "TrackingAction.hh"

#include "Run.hh"
#include "EventAction.hh"
#include "HistoManager.hh"

#include "G4RunManager.hh"
#include "G4Track.hh"
#include "G4StepStatus.hh"
#include "G4ParticleTypes.hh"

#include "G4SystemOfUnits.hh"
#include "G4UnitsTable.hh"

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TrackingAction::TrackingAction(EventAction* event)
:G4UserTrackingAction(), fEventAction(event)
{ }

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void TrackingAction::PreUserTrackingAction(const G4Track* track)
{  
  //count secondary particles
  if (track->GetTrackID() == 1) return;  
  G4String name   = track->GetDefinition()->GetParticleName();
  G4double energy = track->GetKineticEnergy();
  Run* run = static_cast<Run*>(
        G4RunManager::GetRunManager()->GetNonConstCurrentRun());    
  run->ParticleCount(name,energy);
}

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void TrackingAction::PostUserTrackingAction(const G4Track* track)
{
 // keep only outgoing particle
 G4StepStatus status = track->GetStep()->GetPostStepPoint()->GetStepStatus();
 if (status != fWorldBoundary) return; 
 
 const G4ParticleDefinition* particle = track->GetParticleDefinition();
 G4String name   = particle->GetParticleName();
 G4double energy = track->GetKineticEnergy();
 
 fEventAction->AddEflow(energy);  
 
 Run* run = static_cast<Run*>(
              G4RunManager::GetRunManager()->GetNonConstCurrentRun());
 run->ParticleFlux(name,energy);               
 
 // histograms: enery flow
 //
 G4AnalysisManager* analysis = G4AnalysisManager::Instance();
 
 G4int ih = 0; 
 G4String type   = particle->GetParticleType();      
 G4double charge = particle->GetPDGCharge();
 if (charge > 3.)  ih = 10; 
 else if (particle == G4Gamma::Gamma())       ih = 4;
 else if (particle == G4Electron::Electron()) ih = 5;
 else if (particle == G4Positron::Positron()) ih = 5;  
 else if (particle == G4Neutron::Neutron())   ih = 6;
 else if (particle == G4Proton::Proton())     ih = 7;
 else if (particle == G4Deuteron::Deuteron()) ih = 8;
 else if (particle == G4Alpha::Alpha())       ih = 9;       
 else if (type == "nucleus")                  ih = 10;
 else if (type == "baryon")                   ih = 11;         
 else if (type == "meson")                    ih = 12;
 else if (type == "lepton")                   ih = 13;        
 if (ih > 0) analysis->FillH1(ih,energy);
}

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