/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/EventFilter/GctRawToDigi/plugins/L1GctInternJetProducer.cc

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// -*- C++ -*-
//
// Package:    L1GctInternJetProducer
// Class:      L1GctInternJetProducer
// 
//
// Original Author:  Alex Tapper
//
//


// system include files
#include <memory>

// user include files
#include "EventFilter/GctRawToDigi/plugins/L1GctInternJetProducer.h"

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/MakerMacros.h"

#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "DataFormats/Common/interface/OrphanHandle.h"

#include "CondFormats/L1TObjects/interface/L1CaloGeometry.h"
#include "CondFormats/DataRecord/interface/L1CaloGeometryRecord.h"

#include "CondFormats/L1TObjects/interface/L1CaloEtScale.h"
#include "CondFormats/DataRecord/interface/L1JetEtScaleRcd.h"

L1GctInternJetProducer::L1GctInternJetProducer(const edm::ParameterSet& iConfig):
     internalJetSource_(iConfig.getParameter<edm::InputTag>("internalJetSource")),
     centralBxOnly_(iConfig.getParameter<bool>("centralBxOnly"))
{
   using namespace l1extra ;

   produces< L1JetParticleCollection >( "Internal" ) ;
}


L1GctInternJetProducer::~L1GctInternJetProducer(){}

void L1GctInternJetProducer::produce( edm::Event& iEvent, const edm::EventSetup& iSetup)
{

   //std::cout << "ARGGHHH!" << std::endl;
   using namespace edm ;
   using namespace l1extra ;
   using namespace std ;

   auto_ptr< L1JetParticleCollection > internJetColl(new L1JetParticleCollection );

   ESHandle< L1CaloGeometry > caloGeomESH ;
   iSetup.get< L1CaloGeometryRecord >().get( caloGeomESH ) ;
   const L1CaloGeometry* caloGeom = &( *caloGeomESH ) ;

   ESHandle< L1CaloEtScale > jetScale ;
   iSetup.get< L1JetEtScaleRcd >().get( jetScale ) ;

   double etSumLSB = jetScale->linearLsb() ;
   //std::cout << "Inside the Jet producer " << etSumLSB << std::endl;  

   Handle< L1GctInternJetDataCollection > hwIntJetCands ;
   iEvent.getByLabel( internalJetSource_, hwIntJetCands ) ;
   //std::cout << "At leas Something is happening" <<std::endl;
   if( !hwIntJetCands.isValid() ) {
        std::cout << "These aren't the Jets you're looking for" << std::endl;

       LogDebug("L1GctInternJetProducer")
         << "\nWarning: L1GctJetCandCollection with " << internalJetSource_
         << "\nrequested in configuration, but not found in the event."
         << std::endl;

     } else {
        //std::cout << "apparently the collection was found" <<std::endl;
       L1GctInternJetDataCollection::const_iterator jetItr = hwIntJetCands->begin() ;
       L1GctInternJetDataCollection::const_iterator jetEnd = hwIntJetCands->end() ;
        int i;
       for( i = 0 ; jetItr != jetEnd ; ++jetItr, ++i ){
         //std::cout << " JetS a plenty" <<std::endl;
         if( !jetItr->empty() && 
             ( !centralBxOnly_ || jetItr->bx() == 0 ) ) {
            
                 
             double et = (jetItr->oflow() ? 
                          (double) 0xfff: 
                          (double) jetItr->et() ) * etSumLSB + 1.e-6;
             
             //double et = 10.;  
             //std::cout << "jetET: " << jetItr->et() <<std::endl;               
             //std::cout << "ET was: " << et << std::endl;    
             double eta = caloGeom->etaBinCenter( jetItr->regionId() );
             double phi = caloGeom->emJetPhiBinCenter( jetItr->regionId() );

             internJetColl->push_back(L1JetParticle( math::PtEtaPhiMLorentzVector( et, eta, phi, 0.),
                                                     Ref< L1GctJetCandCollection >(),
                                                     jetItr->bx() ) ) ;
           }
        }
     }

   OrphanHandle< L1JetParticleCollection > internalJetHandle = iEvent.put( internJetColl, "Internal" ) ;
}

void L1GctInternJetProducer::beginJob(){}

void L1GctInternJetProducer::endJob(){}

//define this as a plug-in
DEFINE_FWK_MODULE(L1GctInternJetProducer);