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ElectronSiStripSeedProducer.cc

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// Producer for making electron seeds from Si Strip hits.

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "DataFormats/EgammaReco/interface/ElectronPixelSeed.h"
#include "RecoEgamma/EgammaElectronAlgos/interface/ElectronSiStripSeedGenerator.h"
#include "DataFormats/EgammaReco/interface/SuperCluster.h"
#include "DataFormats/EgammaReco/interface/SuperClusterFwd.h"

#include "ElectronSiStripSeedProducer.h"

#include <iostream>

using namespace reco;

ElectronSiStripSeedProducer::ElectronSiStripSeedProducer(const edm::ParameterSet& iConfig) : conf_(iConfig)
{
  matcher_ = new ElectronSiStripSeedGenerator();

  //  get labels from config
  superClusters_[0]=iConfig.getParameter<edm::InputTag>("barrelSuperClusters");
  superClusters_[1]=iConfig.getParameter<edm::InputTag>("endcapSuperClusters");

  //register your products
  produces<ElectronPixelSeedCollection>();
}

ElectronSiStripSeedProducer::~ElectronSiStripSeedProducer()
{
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)
  delete matcher_;
}

void ElectronSiStripSeedProducer::beginJob(edm::EventSetup const&iSetup) 
{  
  matcher_->setupES(iSetup,conf_);
}

void ElectronSiStripSeedProducer::produce(edm::Event& e, const edm::EventSetup& iSetup) 
{ 
  using namespace edm;
  using namespace std;

  LogDebug("entering");
  LogDebug("")  <<"[ElectronSiStripSeedProducer::produce] entering " ;
  
  ElectronPixelSeedCollection *seeds = new ElectronPixelSeedCollection;
  std::auto_ptr<ElectronPixelSeedCollection> pSeeds;

  // do both barrel and endcap instances
  for (unsigned int i=0; i<2; i++) {

    // get the superclusters
    edm::Handle<SuperClusterCollection> clusters;
    if(e.getByLabel(superClusters_[i],clusters)) {
      // run the seed generator and put the ElectronPixelSeeds into a collection
      matcher_->run(e,clusters,*seeds);
    }
    
  }

  pSeeds = std::auto_ptr<ElectronPixelSeedCollection>(seeds);

  e.put(pSeeds);

}

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