xAODElectronAuxContainerCnv_v2.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
 
// System include(s):
#include <stdexcept>
 
// Gaudi/Athena include(s):
#include "GaudiKernel/MsgStream.h"
 
// Core EDM include(s):
#include "AthContainers/tools/copyAuxStoreThinned.h"
 
// Local include(s):
#include "xAODElectronAuxContainerCnv_v2.h"
#include "xAODEgamma/ElectronContainer.h"
#include "xAODEgamma/versions/ElectronContainer_v1.h"
 
 
xAODElectronAuxContainerCnv_v2::xAODElectronAuxContainerCnv_v2()
{
}
 
void xAODElectronAuxContainerCnv_v2::
persToTrans( const xAOD::ElectronAuxContainer_v2* oldObj,
             xAOD::ElectronAuxContainer* newObj,
             MsgStream& /*log*/ ) const {
 
   // Clear the transient object:
   newObj->resize( 0 );
 
   // Copy the payload of the v2 object into the latest one by misusing
   // the thinning code a bit...
   SG::copyAuxStoreThinned( *oldObj, *newObj, nullptr );
 
   // Set up interface containers on top of them:
 
   //The old  uses v_
   xAOD::ElectronContainer_v1 oldInt;
   for( size_t i = 0; i < oldObj->size(); ++i ) { 
     oldInt.push_back( new xAOD::Electron_v1() ); 
   }
   oldInt.setStore( oldObj );
   
   xAOD::ElectronContainer newInt;
   for( size_t i = 0; i < newObj->size(); ++i ) { 
     newInt.push_back( new xAOD::Electron() ); 
   }
   newInt.setStore( newObj );
 
   for( size_t i = 0; i < oldInt.size(); ++i ) {
 
     float e237 = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::e237);
     float e277 = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::e277);
     float Reta= ( e277 != 0 ? e237/e277 : 0);
     newInt[ i ]->setShowerShapeValue(Reta, xAOD::EgammaParameters::Reta);
     //
     float e233 = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::e233);
     float Rphi= ( e237 != 0 ? e233/e237 : 0);
     newInt[ i ]->setShowerShapeValue(Rphi, xAOD::EgammaParameters::Rphi);
     //
     float emax = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::emaxs1);
     float emax2 = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::e2tsts1);
     float Eratio = fabs(emax+emax2)>0. ? (emax-emax2)/(emax+emax2) : 0.;
     newInt[ i ]->setShowerShapeValue(Eratio, xAOD::EgammaParameters::Eratio);
     //
     float emin = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::emins1);
     float DeltaE = emax2-emin;
     newInt[ i ]->setShowerShapeValue(DeltaE, xAOD::EgammaParameters::DeltaE);
     //
     const xAOD::CaloCluster* cluster  = oldInt[ i ]->caloCluster();
     const float eta2   = fabsf(cluster->etaBE(2));
     // transverse energy in calorimeter (using eta position in second sampling)
     const double energy =  cluster->e();
     double et = 0.;
     if (eta2<999.) {
       const double cosheta = cosh(eta2);
       et = (cosheta != 0.) ? energy /cosheta : 0.;
     }
     float ethad = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::ethad);
     float Rhad =  fabs(et) > 0. ? ethad/et : 0.;
     newInt[ i ]->setShowerShapeValue(Rhad, xAOD::EgammaParameters::Rhad);
     //
     float ethad1 = oldInt[ i ]->showerShapeValue(xAOD::EgammaParameters::ethad1);
     float Rhad1 = fabs(et) > 0. ? ethad1/et : 0.;
     newInt[ i ]->setShowerShapeValue(Rhad1, xAOD::EgammaParameters::Rhad1); 
   }
 
   return;
}
 
void xAODElectronAuxContainerCnv_v2::
transToPers( const xAOD::ElectronAuxContainer*,
             xAOD::ElectronAuxContainer_v2*,
             MsgStream& log ) const {
 
   log << MSG::ERROR
       << "Somebody called xAODElectronAuxContainerCnv_v2::transToPers"
       << endmsg;
   throw std::runtime_error( "Somebody called xAODElectronAuxContainerCnv_v2::"
                             "transToPers" );
 
   return;
}