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// $Id: F02EventAction.cc,v 1.6 2006/06/29 17:18:02 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// 

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#include "F02EventAction.hh"

#include "F02RunAction.hh"

#include "F02CalorHit.hh"
#include "F02EventActionMessenger.hh"

#include "G4Event.hh"
#include "G4EventManager.hh"
#include "G4HCofThisEvent.hh"
#include "G4VHitsCollection.hh"
#include "G4SDManager.hh"
#include "G4TrajectoryContainer.hh"
#include "G4Trajectory.hh"
#include "G4VVisManager.hh"
#include "G4ios.hh"
#include "G4UnitsTable.hh"
#include "Randomize.hh"

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F02EventAction::F02EventAction(F02RunAction* F02RA)
 : calorimeterCollID(-1), eventMessenger(0),
   runaction(F02RA), verboselevel(0),
   drawFlag("all"), printModulo(10000)
{
  eventMessenger = new F02EventActionMessenger(this);
}

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F02EventAction::~F02EventAction()
{
  delete eventMessenger;
}

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void F02EventAction::BeginOfEventAction(const G4Event* evt)
{
 G4int evtNb = evt->GetEventID();
 if (evtNb%printModulo == 0) 
    G4cout << "\n---> Begin of Event: " << evtNb << G4endl;
     
  if(verboselevel>1)
    G4cout << "<<< Event  " << evtNb << " started." << G4endl;
    
  if (calorimeterCollID==-1)
    {
     G4SDManager * SDman = G4SDManager::GetSDMpointer();
     calorimeterCollID = SDman->GetCollectionID("CalCollection");
    } 
}

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void F02EventAction::EndOfEventAction(const G4Event* evt)
{  
  G4VVisManager* pVVisManager = G4VVisManager::GetConcreteInstance();

  if(pVVisManager)
  {
   G4TrajectoryContainer* trajectoryContainer = evt->GetTrajectoryContainer();
   G4int n_trajectories = 0;
   if (trajectoryContainer) n_trajectories = trajectoryContainer->entries();  
   for(G4int i=0; i<n_trajectories; i++) 
      { G4Trajectory* trj = (G4Trajectory *)((*(evt->GetTrajectoryContainer()))[i]);
        if (drawFlag == "all") trj->DrawTrajectory(50);
        else if ((drawFlag == "charged")&&(trj->GetCharge() != 0.))
                               trj->DrawTrajectory(50); 
      }
  }  

  if(verboselevel>0)
    G4cout << "<<< Event  " << evt->GetEventID() << " ended." << G4endl;

  // save rndm status
  if (runaction->GetRndmFreq() == 2)
    { 
     CLHEP::HepRandom::saveEngineStatus("endOfEvent.rndm");   
     G4int evtNb = evt->GetEventID();
     if (evtNb%printModulo == 0)
       { 
        G4cout << "\n---> End of Event: " << evtNb << G4endl;
        CLHEP::HepRandom::showEngineStatus();
       }
    }     
}

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G4int F02EventAction::GetEventno()
{
  G4int evno = fpEventManager->GetConstCurrentEvent()->GetEventID() ;
  return evno ;
}

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void F02EventAction::setEventVerbose(G4int level)
{
  verboselevel = level ;
}

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