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// $Id: G4PSTrackCounter3D.cc,v 1.4 2010/07/22 07:23:45 taso Exp $
// GEANT4 tag $Name:  $
//
// G4PSTrackCounter3D
#include "G4PSTrackCounter3D.hh"


///////////////////////////////////////////////////////////////////////////////
// (Description)
//   This is a primitive scorer class for scoring number of tracks in a cell.
//
// Created: 2007-08-14  Tsukasa ASO
//
///////////////////////////////////////////////////////////////////////////////

G4PSTrackCounter3D::G4PSTrackCounter3D(G4String name,G4int direction,
			       G4int ni, G4int nj, G4int nk,
			       G4int depi, G4int depj, G4int depk)
    :G4PSTrackCounter(name,direction),
     fDepthi(depi),fDepthj(depj),fDepthk(depk)
{
  fNi=ni;
  fNj=nj;
  fNk=nk;
}

G4PSTrackCounter3D::~G4PSTrackCounter3D()
{;}

G4int G4PSTrackCounter3D::GetIndex(G4Step* aStep)
{
  const G4VTouchable* touchable = aStep->GetPreStepPoint()->GetTouchable();
  G4int i = touchable->GetReplicaNumber(fDepthi);
  G4int j = touchable->GetReplicaNumber(fDepthj);
  G4int k = touchable->GetReplicaNumber(fDepthk);
  
  return i*fNj*fNk+j*fNk+k;
}