UltraEventAction.cc

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//
//
// --------------------------------------------------------------
//                 GEANT 4 - ULTRA experiment example
// --------------------------------------------------------------
//
// Code developed by:
// B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues 
//
//    ****************************************************
//    *      UltraEventAction.cc
//    ****************************************************
//
//    Ultra EventAction class. The UltraAnalysisManager class is used for histogram
//    filling 
//
#include "UltraEventAction.hh"
#include "UltraPrimaryGeneratorAction.hh"
#include "UltraOpticalHit.hh"

#include "G4RunManager.hh" 
#include "G4Event.hh"
#include "G4EventManager.hh" 
#include "G4SDManager.hh"
#include "G4HCofThisEvent.hh"
#include "G4VHitsCollection.hh"
#include "G4GeneralParticleSource.hh" 
#include "UltraAnalysisManager.hh"
#include "G4SystemOfUnits.hh"

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UltraEventAction::UltraEventAction()
  :OpticalHitsCollID(-1)
{;}

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UltraEventAction::~UltraEventAction(){;}

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void UltraEventAction::BeginOfEventAction(const G4Event* evt)
{
  G4int printModulo = 100;

  evtNb = evt->GetEventID();

  G4SDManager * SDman = G4SDManager::GetSDMpointer(); 


  if(OpticalHitsCollID==-1) {
    OpticalHitsCollID = SDman->GetCollectionID("OpticalHitsCollection");
  }


  if (evtNb%printModulo == 0)
    G4cout << "\n---> Begin of Event: " << evtNb << G4endl;

}
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void UltraEventAction::EndOfEventAction(const G4Event* evt)
{
  
  G4HCofThisEvent* HCE = evt->GetHCofThisEvent();
  UltraOpticalHitsCollection* OpticalHitsColl = 0;
  
  // Fill histograms
  G4AnalysisManager* man = G4AnalysisManager::Instance();

  if(HCE){    
    if(OpticalHitsCollID != -1) OpticalHitsColl = 
      (UltraOpticalHitsCollection*)(HCE->GetHC(OpticalHitsCollID));    
  }

  G4int nOptHits = 0 ; 
  
  if(OpticalHitsColl){    
    nOptHits = OpticalHitsColl->entries();
    
#ifdef ULTRA_VERBOSE
    if (nOptHits > 0){
      G4cout << " Optical Hit # " << " " << "Energy (eV)" <<  " " << "x,y,z (cm)" << G4endl ;
    }
#endif
       
    for(G4int iHit=0; iHit<nOptHits; iHit++){
      G4double HitEnergy = (*OpticalHitsColl)[iHit]->GetEnergy() ;
      man->FillH1(1,HitEnergy/eV);
    }

 }

  man->FillH1(2,nOptHits);

}

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