L1GctHardwareJetFinder.h

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#ifndef L1GCTHARDWAREJETFINDER_H_
#define L1GCTHARDWAREJETFINDER_H_

#include "L1Trigger/GlobalCaloTrigger/interface/L1GctJetFinderBase.h"

#include <vector>

/*
 * \author Greg Heath
 * \date June 2006
 */

class L1GctHardwareJetFinder : public L1GctJetFinderBase {
public:
  L1GctHardwareJetFinder(int id);

  ~L1GctHardwareJetFinder() override;

  friend std::ostream& operator<<(std::ostream& os, const L1GctHardwareJetFinder& algo);

  virtual void reset();

  void fetchInput() override;

  void process() override;

protected:
  // Each jetFinder must define the constants as private and copy the
  // function definitions below.
  unsigned maxRegionsIn() const override { return MAX_REGIONS_IN; }
  unsigned centralCol0() const override { return CENTRAL_COL0; }
  unsigned nCols() const override { return N_COLS; }

private:
  static const unsigned int MAX_REGIONS_IN;  
  static const unsigned int N_COLS;
  static const unsigned int CENTRAL_COL0;

  RegionsVector m_localMaxima;
  RegionsVector m_clusters;

  unsigned m_numberOfClusters;

  // Additional clusters to avoid double counting of jets across eta=0
  RegionsVector m_localMax00;
  RegionsVector m_cluster00;

  void findProtoJets();
  L1GctRegion makeProtoJet(L1GctRegion localMax);
  void findJets();

  void findLocalMaxima();
  void findProtoClusters();
  void findFinalClusters();

  void convertClustersToProtoJets();
  void convertClustersToOutputJets();
};

std::ostream& operator<<(std::ostream& os, const L1GctHardwareJetFinder& algo);

#endif /*L1GCTHARDWAREJETFINDER_H_*/