/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Calibration/HcalIsolatedTrackReco/src/ECALRegFEDSelector.cc

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#include "Calibration/HcalIsolatedTrackReco/interface/ECALRegFEDSelector.h"
#include "EventFilter/EcalRawToDigi/interface/EcalRegionCabling.h"
#include "DataFormats/HLTReco/interface/TriggerFilterObjectWithRefs.h"
#include "DataFormats/HcalIsolatedTrack/interface/IsolatedPixelTrackCandidateFwd.h"
#include "DataFormats/HcalIsolatedTrack/interface/IsolatedPixelTrackCandidate.h"

ECALRegFEDSelector::ECALRegFEDSelector(const edm::ParameterSet& iConfig)
{
  seedLabel_=iConfig.getParameter<edm::InputTag>("regSeedLabel");
  delta_=iConfig.getParameter<double>("delta");
  
  rawInLabel_=iConfig.getParameter<edm::InputTag>("rawInputLabel");

  ec_mapping = new EcalElectronicsMapping();

  produces<FEDRawDataCollection>();
  produces<EcalListOfFEDS>();

  for (int p=0; p<1200; p++)
    {
      fedSaved[p]=false;
    }
}


ECALRegFEDSelector::~ECALRegFEDSelector()
{
}


void ECALRegFEDSelector::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
{
  for (int p=0; p<1200; p++)
    {
      fedSaved[p]=false;
    }

  std::auto_ptr<FEDRawDataCollection> producedData(new FEDRawDataCollection);

  std::auto_ptr<EcalListOfFEDS> fedList(new EcalListOfFEDS);  

  edm::Handle<trigger::TriggerFilterObjectWithRefs> trigSeedTrks;
  iEvent.getByLabel(seedLabel_,trigSeedTrks);

  std::vector< edm::Ref<reco::IsolatedPixelTrackCandidateCollection> > isoPixTrackRefs;
  trigSeedTrks->getObjects(trigger::TriggerTrack, isoPixTrackRefs);

  edm::Handle<FEDRawDataCollection> rawIn;
  iEvent.getByLabel(rawInLabel_,rawIn);

  //  std::vector<int> EC_FED_IDs;
  
  for (uint32_t p=0; p<isoPixTrackRefs.size(); p++)
    {
      double etaObj_=isoPixTrackRefs[p]->track()->eta();
      double phiObj_=isoPixTrackRefs[p]->track()->phi();

      EcalEtaPhiRegion ecEtaPhi(etaObj_-delta_,etaObj_+delta_,phiObj_-delta_,phiObj_+delta_);
      
      const std::vector<int> EC_FED_IDs=ec_mapping->GetListofFEDs(ecEtaPhi);
      
      const FEDRawDataCollection *rdc=rawIn.product();
      
      for ( int j=0; j< FEDNumbering::MAXFEDID; j++ ) 
        {
          bool rightFED=false;
          for (uint32_t k=0; k<EC_FED_IDs.size(); k++)
            {
              if (j==EcalRegionCabling::fedIndex(EC_FED_IDs[k])) 
                {
                  if (!fedSaved[j]) 
                    {
                      fedList->AddFED(j);
                      rightFED=true;
                      fedSaved[j]=true;
                    }
                }
            }
          if (j>=FEDNumbering::MINPreShowerFEDID&&j<=FEDNumbering::MAXPreShowerFEDID) 
            {
              fedSaved[j]=true;
              rightFED=true;
            }
          if (!rightFED) continue;
          const FEDRawData & fedData = rdc->FEDData(j);
          size_t size=fedData.size();
          
          if ( size > 0 ) 
            {
              // this fed has data -- lets copy it
              FEDRawData & fedDataProd = producedData->FEDData(j);
              if ( fedDataProd.size() != 0 ) 
                {
//                std::cout << " More than one FEDRawDataCollection with data in FED ";
//                std::cout << j << " Skipping the 2nd\n";
                  continue;
                }
              fedDataProd.resize(size);
              unsigned char *dataProd=fedDataProd.data();
              const unsigned char *data=fedData.data();
              for ( unsigned int k=0; k<size; ++k ) 
                {
                  dataProd[k]=data[k];
                }
            }
          
        }
    }

  iEvent.put(producedData);  
  iEvent.put(fedList);
  
}


void ECALRegFEDSelector::beginJob() {
}


void ECALRegFEDSelector::endJob() {
}