EcalClusterSeverityLevelAlgo.h

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#ifndef RecoEcal_EgammaCoreTools_EcalClusterSeverityLevelAlgo_hh
#define RecoEcal_EgammaCoreTools_EcalClusterSeverityLevelAlgo_hh

#include "DataFormats/DetId/interface/DetId.h"
#include "DataFormats/CaloRecHit/interface/CaloCluster.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
#include "RecoLocalCalo/EcalRecAlgos/interface/EcalSeverityLevelAlgo.h"
#include "CondFormats/EcalObjects/interface/EcalChannelStatus.h"
#include "FWCore/Framework/interface/EventSetup.h"


class CaloTopology;
class EBDetId;
class EcalClusterSeverityLevelAlgo {
 public:

  // the severity is the fraction of cluster energy 
  // taken by good channels  
  // (e.g. not noisy, dead and recovered etc.)
  static float goodFraction( const reco::CaloCluster & , const EcalRecHitCollection &,  const EcalSeverityLevelAlgo& );
  // fraction of SC energy around closest problematic
  static float fractionAroundClosestProblematic( const reco::CaloCluster & , const EcalRecHitCollection &, const CaloTopology* topology, const EcalSeverityLevelAlgo&  );
  // retrieve closest problematic channel wrt seed crystal using as distance sqrt(ieta^2+ieta^2+iphi^2+iphi^2). Return a null detId in case not found within a search region of 11 (ieta) x 51 (iphi)  
  static DetId closestProblematic( const reco::CaloCluster & , const EcalRecHitCollection &,  const CaloTopology* topology, const EcalSeverityLevelAlgo&   );
  // retrieve the distance in ieta,iphi (number of crystals) of the closest problematic channel wrt seed crystal (defined as above)
  // return -1,-1 if no crystal is found within a search region of 11 (eta) x 51 (phi)
  static std::pair<int,int> etaphiDistanceClosestProblematic( const reco::CaloCluster & , const EcalRecHitCollection &, const CaloTopology* topology, const EcalSeverityLevelAlgo&  );


};

#endif