/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/RecoEcal/EgammaClusterProducers/src/PFECALSuperClusterProducer.cc

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#include "RecoEcal/EgammaClusterProducers/interface/PFECALSuperClusterProducer.h"

#include <memory>

#include "RecoEcal/EgammaClusterAlgos/interface/PFECALSuperClusterAlgo.h"

#include "DataFormats/ParticleFlowReco/interface/PFRecHit.h"
#include "DataFormats/ParticleFlowReco/interface/PFCluster.h"
#include "DataFormats/ParticleFlowReco/interface/PFClusterFwd.h"

#include "DataFormats/EgammaReco/interface/SuperCluster.h"
#include "DataFormats/EgammaReco/interface/SuperClusterFwd.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"

using namespace std;
using namespace edm;

namespace {
  const std::string ClusterType__BOX("Box");
  const std::string ClusterType__Mustache("Mustache");
}

PFECALSuperClusterProducer::PFECALSuperClusterProducer(const edm::ParameterSet& iConfig)
{
    
  verbose_ = 
    iConfig.getUntrackedParameter<bool>("verbose",false);

  std::string _typename = iConfig.getParameter<std::string>("ClusteringType");
  if( _typename == ClusterType__BOX ) {
    _theclusteringtype = PFECALSuperClusterAlgo::kBOX;
  } else if ( _typename == ClusterType__Mustache ) {
    _theclusteringtype = PFECALSuperClusterAlgo::kMustache;
  } else {
    throw cms::Exception("InvalidClusteringType") 
      << "You have not chosen a valid clustering type," 
      << " please choose from \"Box\" or \"Mustache\"!";
  }
  

  // parameters for clustering
  
  bool useDynamicDPhi = iConfig.getParameter<bool>("useDynamicDPhiWindow");

  double threshPFClusterSeedBarrel = iConfig.getParameter<double>("thresh_PFClusterSeedBarrel");
  double threshPFClusterBarrel = iConfig.getParameter<double>("thresh_PFClusterBarrel");

  double threshPFClusterSeedEndcap = iConfig.getParameter<double>("thresh_PFClusterSeedEndcap");
  double threshPFClusterEndcap = iConfig.getParameter<double>("thresh_PFClusterEndcap");
  
  double phiwidthSuperClusterBarrel = iConfig.getParameter<double>("phiwidth_SuperClusterBarrel");
  double etawidthSuperClusterBarrel = iConfig.getParameter<double>("etawidth_SuperClusterBarrel");

  double phiwidthSuperClusterEndcap = iConfig.getParameter<double>("phiwidth_SuperClusterEndcap");
  double etawidthSuperClusterEndcap = iConfig.getParameter<double>("etawidth_SuperClusterEndcap");

  double threshPFClusterES = iConfig.getParameter<double>("thresh_PFClusterES");

  //double threshPFClusterMustacheOutBarrel = iConfig.getParameter<double>("thresh_PFClusterMustacheOutBarrel");
  //double threshPFClusterMustacheOutEndcap = iConfig.getParameter<double>("thresh_PFClusterMustacheOutEndcap");

  double doSatelliteClusterMerge = 
    iConfig.getParameter<bool>("doSatelliteClusterMerge");
  double satelliteClusterSeedThreshold = 
    iConfig.getParameter<double>("satelliteClusterSeedThreshold");
  double satelliteMajorityFraction = 
    iConfig.getParameter<double>("satelliteMajorityFraction");

  superClusterAlgo_.setVerbosityLevel(verbose_);
  superClusterAlgo_.setClusteringType(_theclusteringtype);
  superClusterAlgo_.setUseDynamicDPhi(useDynamicDPhi);

  superClusterAlgo_.setThreshPFClusterSeedBarrel( threshPFClusterSeedBarrel );
  superClusterAlgo_.setThreshPFClusterBarrel( threshPFClusterBarrel );

  superClusterAlgo_.setThreshPFClusterSeedEndcap( threshPFClusterSeedEndcap );
  superClusterAlgo_.setThreshPFClusterEndcap( threshPFClusterEndcap );

  superClusterAlgo_.setPhiwidthSuperClusterBarrel( phiwidthSuperClusterBarrel );
  superClusterAlgo_.setEtawidthSuperClusterBarrel( etawidthSuperClusterBarrel );

  superClusterAlgo_.setPhiwidthSuperClusterEndcap( phiwidthSuperClusterEndcap );
  superClusterAlgo_.setEtawidthSuperClusterEndcap( etawidthSuperClusterEndcap );

  superClusterAlgo_.setThreshPFClusterES( threshPFClusterES );

  superClusterAlgo_.setSatelliteMerging( doSatelliteClusterMerge );
  superClusterAlgo_.setSatelliteThreshold( satelliteClusterSeedThreshold );
  superClusterAlgo_.setMajorityFraction( satelliteMajorityFraction );
  //superClusterAlgo_.setThreshPFClusterMustacheOutBarrel( threshPFClusterMustacheOutBarrel );
  //superClusterAlgo_.setThreshPFClusterMustacheOutEndcap( threshPFClusterMustacheOutEndcap );

  //Load the ECAL energy calibration
  thePFEnergyCalibration_ = 
    std::shared_ptr<PFEnergyCalibration>(new PFEnergyCalibration());
  superClusterAlgo_.setPFClusterCalibration(thePFEnergyCalibration_);
  superClusterAlgo_.setUsePS(iConfig.getParameter<bool>("use_preshower"));

  bool applyCrackCorrections_ = iConfig.getParameter<bool>("applyCrackCorrections");
  superClusterAlgo_.setCrackCorrections(applyCrackCorrections_);


  
  inputTagPFClusters_ = iConfig.getParameter<InputTag>("PFClusters");
  inputTagPFClustersES_ = iConfig.getParameter<InputTag>("PFClustersES");

  PFBasicClusterCollectionBarrel_ = iConfig.getParameter<string>("PFBasicClusterCollectionBarrel");
  PFSuperClusterCollectionBarrel_ = iConfig.getParameter<string>("PFSuperClusterCollectionBarrel");

  PFBasicClusterCollectionEndcap_ = iConfig.getParameter<string>("PFBasicClusterCollectionEndcap");
  PFSuperClusterCollectionEndcap_ = iConfig.getParameter<string>("PFSuperClusterCollectionEndcap");

  PFBasicClusterCollectionPreshower_ = iConfig.getParameter<string>("PFBasicClusterCollectionPreshower");
  PFSuperClusterCollectionEndcapWithPreshower_ = iConfig.getParameter<string>("PFSuperClusterCollectionEndcapWithPreshower");

  produces<reco::SuperClusterCollection>(PFSuperClusterCollectionBarrel_);
  produces<reco::SuperClusterCollection>(PFSuperClusterCollectionEndcapWithPreshower_);   
}



PFECALSuperClusterProducer::~PFECALSuperClusterProducer() {}




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

  //Load the pfcluster collections
  edm::Handle<edm::View<reco::PFCluster> > pfclustersHandle;
  iEvent.getByLabel( inputTagPFClusters_, pfclustersHandle );  

  edm::Handle<edm::View<reco::PFCluster> > preshowerpfclustersHandle;
  iEvent.getByLabel( inputTagPFClustersES_,  preshowerpfclustersHandle);


  // do clustering
  superClusterAlgo_.loadAndSortPFClusters(*pfclustersHandle,
                                          *preshowerpfclustersHandle);
  superClusterAlgo_.run();

  //store in the event
  iEvent.put(superClusterAlgo_.getEBOutputSCCollection(),
             PFSuperClusterCollectionBarrel_);
  iEvent.put(superClusterAlgo_.getEEOutputSCCollection(), 
             PFSuperClusterCollectionEndcapWithPreshower_);
}