FCALSteppingAction.cc

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// $Id: FCALSteppingAction.cc 67976 2013-03-13 10:23:17Z gcosmo $
//
// 

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#include <iostream>

#include "FCALSteppingAction.hh"
#include "G4SteppingManager.hh"

#include "globals.hh"
#include "G4SystemOfUnits.hh"
#include "G4Track.hh"
#include "G4DynamicParticle.hh"
#include "G4Material.hh"

#include "G4LogicalVolume.hh"
#include "G4VPhysicalVolume.hh"
#include "G4VTouchable.hh"
#include "G4TouchableHistory.hh"

#include "G4Event.hh"

#include "G4ThreeVector.hh"

#include "G4ios.hh"

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FCALSteppingAction::FCALSteppingAction():IDold(-1),IDout(-1)
{;}

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FCALSteppingAction::~FCALSteppingAction()
{;}

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void FCALSteppingAction::UserSteppingAction(const G4Step* astep)
{ 
  // Get Edep
   G4double Edep = astep->GetTotalEnergyDeposit();

   // Get Track
     G4Track* aTrack = astep->GetTrack();

   // Get Touchable History
  G4TouchableHistory* theTouchable =  (G4TouchableHistory*)(aTrack->GetTouchable());

  // Energy deposit in FCAL1 and FCAL2
  if(Edep != 0.) 
    {
      G4VPhysicalVolume* physVol = theTouchable->GetVolume();
      
      if(strcmp(physVol->GetName(),"FCALEmModulePhysical")== 0 ||
   strcmp(physVol->GetName(),"F1LArGapPhysical") == 0) 
  {
    EdepFCALEm = EdepFCALEm + Edep;
  };
      
      if( (strcmp(physVol->GetName(), "FCALHadModulePhysical") == 0) ||
    (strcmp(physVol->GetName(), "CuPlateAPhysical") == 0) ||
    (strcmp(physVol->GetName(), "CuPlateBPhysical") == 0) ||
    (strcmp(physVol->GetName(), "WAbsorberPhysical") == 0) ||
    (strcmp(physVol->GetName(), "F2RodPhysical") == 0) ||
    (strcmp(physVol->GetName(), "F2LArGapPhysical") == 0) ) 
  {
    EdepFCALHad = EdepFCALHad + Edep;
  };
    };

  // Get Tracks properties
  G4int TrackID = aTrack->GetTrackID();
  G4int ParentID = aTrack->GetParentID();
  // Get Associated particle
  const G4DynamicParticle * aDynamicParticle = aTrack->GetDynamicParticle();
  G4ParticleDefinition * aParticle = aTrack->GetDefinition();
  G4String ParticleName = aParticle->GetParticleName();
  
  IDnow = EventNo + 10000*TrackID+ 100000000*ParentID;
  
  if(IDnow != IDold)
    {
      IDold = IDnow;
      
      // Get the primary particle
      if(TrackID==1 && ParentID==0 && (aTrack->GetCurrentStepNumber()) == 1)
  {
    PrimaryVertex    = aTrack->GetVertexPosition(); 
    PrimaryDirection = aTrack->GetVertexMomentumDirection();
    
    NSecondaries = 1;   
    Secondaries[NSecondaries][1] = aParticle->GetPDGEncoding();
    Secondaries[NSecondaries][2] = PrimaryVertex.x();
    Secondaries[NSecondaries][3] = PrimaryVertex.y();
    Secondaries[NSecondaries][4] = PrimaryVertex.z();
    Secondaries[NSecondaries][5] = (aDynamicParticle->GetMomentum()).x(); 
    Secondaries[NSecondaries][6] = (aDynamicParticle->GetMomentum()).y();
    Secondaries[NSecondaries][7] = (aDynamicParticle->GetMomentum()).z();
    Secondaries[NSecondaries][8] = aDynamicParticle->GetTotalMomentum();
    Secondaries[NSecondaries][9] = aDynamicParticle->GetTotalEnergy();
    Secondaries[NSecondaries][10] = aDynamicParticle->GetKineticEnergy();
    
    G4cout << " ****  Primary : " << EventNo << G4endl;
    G4cout << " Vertex : " << PrimaryVertex << G4endl;
  }
      
      
      // Get secondaries in air close to the primary tracks (DCA < 2.mm) 
      G4double DCACut = 2.*mm;
      G4String Material = aTrack->GetMaterial()->GetName();
      G4ThreeVector TrackPos = aTrack->GetVertexPosition();
      
      if(TrackID != 1 && ParentID == 1 && (strcmp(Material,"Air")==0) && (TrackPos.z() > 135.*cm)) 
  {
    SecondaryVertex = aTrack->GetVertexPosition();
    SecondaryDirection = aTrack->GetVertexMomentumDirection();
    
    // calculate DCA of secondries to primary particle
    Distance = PrimaryVertex - SecondaryVertex ;
    VectorProduct = PrimaryDirection.cross(SecondaryDirection);
    if(VectorProduct == G4ThreeVector() &&  
       PrimaryDirection != G4ThreeVector() && SecondaryDirection != G4ThreeVector()) 
      {
        G4ThreeVector Temp = Distance.cross(PrimaryDirection);
        VectorProduct = Temp.cross(PrimaryDirection);
      };    
        
VectorProductMagnitude = VectorProduct.mag();
    if(VectorProductMagnitude == 0.) 
      {
        VectorProductNorm = G4ThreeVector();
      } else {
        VectorProductNorm = (1./VectorProduct.mag()) * VectorProduct ;
      };    
    DistOfClosestApproach = Distance * VectorProductNorm ;
    
    if(std::abs(DistOfClosestApproach) < DCACut) 
      {
        NSecondaries++;       
        Secondaries[0][0] = NSecondaries;
        Secondaries[NSecondaries][1] = aParticle->GetPDGEncoding();
        Secondaries[NSecondaries][2] = (aTrack->GetVertexPosition()).x();
        Secondaries[NSecondaries][3] = (aTrack->GetVertexPosition()).y();
        Secondaries[NSecondaries][4] = (aTrack->GetVertexPosition()).z();
        Secondaries[NSecondaries][5] =(aDynamicParticle->GetMomentum()).x(); 
        Secondaries[NSecondaries][6] = (aDynamicParticle->GetMomentum()).y();
        Secondaries[NSecondaries][7] = (aDynamicParticle->GetMomentum()).z();
        Secondaries[NSecondaries][8] = aDynamicParticle->GetTotalMomentum();
        Secondaries[NSecondaries][9] = aDynamicParticle->GetTotalEnergy();
        Secondaries[NSecondaries][10] =aDynamicParticle->GetKineticEnergy();
      };  
  };
    };


  // Get the World leaving particle
  if(aTrack->GetNextVolume() == 0) {
    if(IDnow != IDout) {
      IDout = IDnow;

      NTracks++;

      OutOfWorldTracksData[0][0] = NTracks;

      OutOfWorldTracksData[NTracks][1] = aParticle->GetPDGEncoding();

      OutOfWorldTracksData[NTracks][2] = (aTrack->GetVertexPosition()).x();
      OutOfWorldTracksData[NTracks][3] = (aTrack->GetVertexPosition()).y();
      OutOfWorldTracksData[NTracks][4] = (aTrack->GetVertexPosition()).z();

      OutOfWorldTracksData[NTracks][5] = (aDynamicParticle->GetMomentum()).x();
      OutOfWorldTracksData[NTracks][6] = (aDynamicParticle->GetMomentum()).y();
      OutOfWorldTracksData[NTracks][7] = (aDynamicParticle->GetMomentum()).z();
      
      OutOfWorldTracksData[NTracks][8] = aDynamicParticle->GetTotalMomentum();

      OutOfWorldTracksData[NTracks][9] = aDynamicParticle->GetTotalEnergy();

      OutOfWorldTracksData[NTracks][10] = aDynamicParticle->GetKineticEnergy();      
    };
  };
  
 
}

void FCALSteppingAction::initialize(G4int Nev) {
  EventNo = Nev;
  NTracks = 0;
  NSecondaries = 0;
  EdepFCALEm = EdepFCALHad = 0.;

  for(G4int i=0; i<6000; i++)
    {
      for(G4int j=0; j<11; j++) 
  { 
    OutOfWorldTracksData[i][j] = 0.;
    Secondaries[i][j] = 0.; 
  }
    };
}

G4double FCALSteppingAction::GetOutOfWorldTracks(G4int i, G4int j){
  return OutOfWorldTracksData[i][j];
}

G4double FCALSteppingAction::GetSecondaries(G4int i, G4int j){
  return Secondaries[i][j];
}

G4double FCALSteppingAction::GetEdepFCAL(G4String FCAL) {
  if(strcmp(FCAL,"FCALEm") == 0) {
    return EdepFCALEm;
  } else {
    if(strcmp(FCAL,"FCALHad") == 0) {
      return EdepFCALHad;}
  }
  return 0.0; 
} 


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