source: trunk/examples/advanced/hadrontherapy/src/HadrontherapyEventAction.cc@ 1303

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// $Id: HadrontherapyEventAction.cc; 
// See more at: http://g4advancedexamples.lngs.infn.it/Examples/hadrontherapy

#include "G4Event.hh"
#include "G4EventManager.hh"
#include "G4HCofThisEvent.hh"
#include "G4VHitsCollection.hh"
#include "G4TrajectoryContainer.hh"
#include "G4Trajectory.hh"
#include "G4VVisManager.hh"
#include "G4SDManager.hh"
#include "G4VVisManager.hh"
#include "HadrontherapyEventAction.hh"
#include "HadrontherapyDetectorHit.hh"
#include "HadrontherapyDetectorSD.hh"
#include "HadrontherapyDetectorConstruction.hh"
#include "HadrontherapyMatrix.hh"
#include "HadrontherapyEventActionMessenger.hh"

/////////////////////////////////////////////////////////////////////////////
HadrontherapyEventAction::HadrontherapyEventAction() :
  drawFlag("all" ),printModulo(1000), pointerEventMessenger(0)
{ 
  hitsCollectionID = -1;
  pointerEventMessenger = new HadrontherapyEventActionMessenger(this);
}

/////////////////////////////////////////////////////////////////////////////
HadrontherapyEventAction::~HadrontherapyEventAction()
{
 delete pointerEventMessenger;
}

/////////////////////////////////////////////////////////////////////////////
void HadrontherapyEventAction::BeginOfEventAction(const G4Event* evt)
{ 
  G4int evtNb = evt->GetEventID();
  
  //printing survey
  if (evtNb%printModulo == 0)
    G4cout << "\n---> Begin of Event: " << evtNb << G4endl;
   
  G4SDManager* pSDManager = G4SDManager::GetSDMpointer();
  if(hitsCollectionID == -1)
    hitsCollectionID = pSDManager -> GetCollectionID("HadrontherapyDetectorHitsCollection");
}

/////////////////////////////////////////////////////////////////////////////
void HadrontherapyEventAction::EndOfEventAction(const G4Event* evt)
{  
  if(hitsCollectionID < 0)
  return;
  G4HCofThisEvent* HCE = evt -> GetHCofThisEvent();
 
  if(HCE)
  {
    HadrontherapyDetectorHitsCollection* CHC = (HadrontherapyDetectorHitsCollection*)(HCE -> GetHC(hitsCollectionID));
    if(CHC)
     {
           matrix = HadrontherapyMatrix::getInstance();  
       if(matrix)
          { 
              // Fill the matrix with the information: voxel and associated energy deposit 
          // in the detector at the end of the event

          G4int HitCount = CHC -> entries();
          for (G4int h=0; h<HitCount; h++)
            {
              G4int i = ((*CHC)[h]) -> GetXID();
              G4int j = ((*CHC)[h]) -> GetYID();
              G4int k = ((*CHC)[h]) -> GetZID();
              G4double energyDeposit = ((*CHC)[h]) -> GetEdep();
              matrix -> Fill(i, j, k, energyDeposit/MeV);              
            }
          }
    }
  }
  // Extract the trajectories and draw them in the visualisation

  if (G4VVisManager::GetConcreteInstance())
    {
      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);
          else if ((drawFlag == "neutral")&&(trj -> GetCharge() == 0.))
            trj -> DrawTrajectory(50);               
        }
    }
}