eventgenerator/HepMC/HepMCEx01/src/ExN04EventAction.cc

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/// \file eventgenerator/HepMC/HepMCEx01/src/ExN04EventAction.cc
/// \brief Implementation of the ExN04EventAction class
//
// $Id: ExN04EventAction.cc 77801 2013-11-28 13:33:20Z gcosmo $
//

#include "G4Event.hh"
#include "G4EventManager.hh"
#include "G4HCofThisEvent.hh"
#include "G4ios.hh"
#include "G4SDManager.hh"
#include "G4SystemOfUnits.hh"
#include "G4UImanager.hh"
#include "G4VHitsCollection.hh"
#include "ExN04EventAction.hh"
#include "ExN04CalorimeterHit.hh"
#include "ExN04MuonHit.hh"
#include "ExN04TrackerHit.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
ExN04EventAction::ExN04EventAction()
{
  ftrackerCollID = -1;
  fcalorimeterCollID = -1;
  fmuonCollID = -1;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
ExN04EventAction::~ExN04EventAction()
{
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void ExN04EventAction::BeginOfEventAction(const G4Event*)
{
  G4SDManager* SDman = G4SDManager::GetSDMpointer();
  if ( ftrackerCollID<0 || fcalorimeterCollID<0 || fmuonCollID<0) {
    G4String colNam;
    ftrackerCollID = SDman-> GetCollectionID(colNam="trackerCollection");
    fcalorimeterCollID = SDman-> GetCollectionID(colNam="calCollection");
    fmuonCollID = SDman-> GetCollectionID(colNam="muonCollection");
  }
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void ExN04EventAction::EndOfEventAction(const G4Event* evt)
{
  G4cout << ">>> Event " << evt->GetEventID() << G4endl;

  if( ftrackerCollID<0 || fcalorimeterCollID<0 || fmuonCollID<0) return;

  G4HCofThisEvent* HCE = evt-> GetHCofThisEvent();
  ExN04TrackerHitsCollection* THC = NULL;
  ExN04CalorimeterHitsCollection* CHC = NULL;
  ExN04MuonHitsCollection* MHC = NULL;

  if( HCE ) {
    THC = (ExN04TrackerHitsCollection*)(HCE->GetHC(ftrackerCollID));
    CHC = (ExN04CalorimeterHitsCollection*)(HCE->GetHC(fcalorimeterCollID));
    MHC = (ExN04MuonHitsCollection*)(HCE->GetHC(fmuonCollID));
  }

  if( THC ) {
    G4int n_hit = THC-> entries();
    G4cout << "     " << n_hit
         << " hits are stored in ExN04TrackerHitsCollection." << G4endl;
  }

  if( CHC ) {
    G4int n_hit = CHC-> entries();
    G4cout << "     " << n_hit
         << " hits are stored in ExN04CalorimeterHitsCollection." << G4endl;
    G4double totE = 0;
    for( int i = 0; i < n_hit; i++ ) {
      totE += (*CHC)[i]-> GetEdep();
    }
    G4cout << "     Total energy deposition in calorimeter : "
         << totE / GeV << " (GeV)" << G4endl;
  }

  if( MHC ) {
    G4int n_hit = MHC-> entries();
    G4cout << "     " << n_hit
         << " hits are stored in ExN04MuonHitsCollection." << G4endl;
  }
}