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// $Id: B02CellScorer.cc,v 1.2 2006/06/29 16:34:42 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// ----------------------------------------------------------------------
// GEANT 4 class source file
//
// B02CellScorer.cc
//
// ----------------------------------------------------------------------

#include "B02CellScorer.hh"
#include "G4GeometryCell.hh"
#include "G4Step.hh"
#include "G4StepPoint.hh"


B02CellScorer::B02CellScorer(AIDA::IHistogram1D *h) :
  fHisto(h)
{}

B02CellScorer::~B02CellScorer()
{}

void B02CellScorer::ScoreAnExitingStep(const G4Step &aStep,
				       const G4GeometryCell &pre_gCell){
  fG4CellScorer.ScoreAnExitingStep(aStep, pre_gCell);
  FillHisto(aStep);
}

void B02CellScorer::ScoreAnEnteringStep(const G4Step &aStep,
					const G4GeometryCell &post_gCell){
  fG4CellScorer.ScoreAnEnteringStep(aStep, post_gCell);
  return;
}

void B02CellScorer::ScoreAnInVolumeStep(const G4Step &aStep,
					const G4GeometryCell &post_gCell){
  fG4CellScorer.ScoreAnInVolumeStep(aStep, post_gCell);
  FillHisto(aStep);
}

void B02CellScorer::FillHisto(const G4Step &aStep){

  G4StepPoint *p = 0;
  p = aStep.GetPreStepPoint();
  G4double sl = aStep.GetStepLength();
  G4double slw = sl * p->GetWeight();
  
  fHisto->fill(p->GetKineticEnergy(), slw);
}