CaloSwTime.cxx

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
/********************************************************************
 
NAME:     CaloSwTime.cxx
PACKAGE:  offline/Calorimeter/CaloSwTime
 
AUTHORS:  G.Unal     
CREATED:  December 2008
 
PURPOSE:  Refined time estimate from SW EM clusters
 
********************************************************************/
 
#include "CaloSwTime.h"
#include "CaloEvent/CaloCell.h"
 
 
void CaloSwTime::makeCorrection (const Context& /*myctx*/,
                                 xAOD::CaloCluster* cluster) const
{
 
 
   double emax=-9999.;
   double time=0.;
 
   xAOD::CaloCluster::cell_iterator cellIter    = cluster->cell_begin();
   xAOD::CaloCluster::cell_iterator cellIterEnd = cluster->cell_end();
   for (;cellIter!=cellIterEnd;cellIter++) {
      const CaloCell* cell = (*cellIter);
      CaloCell_ID::CaloSample sampling = cell->caloDDE()->getSampling();
      if (sampling== CaloCell_ID::EMB2 || sampling== CaloCell_ID::EME2) {
        if ( (cell->provenance() & 0x2000) ) {
          if (cell->e() > emax) {
               emax=cell->e();
               time = cell->time();
          }
        }
      }
   }
 
   ATH_MSG_DEBUG( " Cluster:  emax,time " << emax << " " << time << endmsg);
 
   if (emax>0.) cluster->setTime(time);
 
}