L1Trigger/TrackTrigger/interface/TTClusterAlgorithm_neighbor.h - master - githubmirror/cmssw

L1Trigger/TrackTrigger/interface/TTClusterAlgorithm_neighbor.h
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29 май 2019, 08:31
29 май 2019, 08:31ee4d84b
/*! \class   TTClusterAlgorithm_neighbor
 *  \brief   Class for "neighbor" algorithm to be used
 *           in TTClusterBuilder
 *  \details This is a greedy clustering to be
 *           used for diagnostic purposes, which
 *           will make clusters as large as
 *           possible by including all contiguous
 *           hits in a single cluster.
 *           After moving from SimDataFormats to DataFormats,
 *           the template structure of the class was maintained
 *           in order to accomodate any types other than PixelDigis
 *           in case there is such a need in the future.
 *
 *  \author Kristofer Henriksson
 *  \date   2013, Jul 15
 *
 */

#ifndef CLUSTERING_ALGORITHM_NEIGHBOR_H
#define CLUSTERING_ALGORITHM_NEIGHBOR_H

#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/ModuleFactory.h"
#include "FWCore/Framework/interface/ESProducer.h"

#include "L1Trigger/TrackTrigger/interface/TTClusterAlgorithm.h"
#include "L1Trigger/TrackTrigger/interface/TTClusterAlgorithmRecord.h"

#include <string>
#include <cstdlib>
#include <map>

template <typename T>
class TTClusterAlgorithm_neighbor : public TTClusterAlgorithm<T> {
private:
  /// Data members
  /// Other stuff

public:
  /// Constructor
  TTClusterAlgorithm_neighbor() : TTClusterAlgorithm<T>(__func__) {}

  /// Destructor
  ~TTClusterAlgorithm_neighbor() override {}

  /// Clustering operations
  void Cluster(std::vector<std::vector<T> >& output, const std::vector<T>& input) const override;

  /// Needed for neighbours
  bool isANeighbor(const T& center, const T& mayNeigh) const;
  void addNeighbors(std::vector<T>& cluster,
                    const std::vector<T>& input,
                    unsigned int start,
                    std::vector<bool>& masked) const;

};  /// Close class

/*! \brief   Implementation of methods
 *  \details Here, in the header file, the methods which do not depend
 *           on the specific type <T> that can fit the template.
 *           Other methods, with type-specific features, are implemented
 *           in the source file.
 */

/// Clustering operations
template <>
void TTClusterAlgorithm_neighbor<Ref_Phase2TrackerDigi_>::Cluster(
    std::vector<std::vector<Ref_Phase2TrackerDigi_> >& output, const std::vector<Ref_Phase2TrackerDigi_>& input) const;

/// Check if the hit is a neighbour
template <>
bool TTClusterAlgorithm_neighbor<Ref_Phase2TrackerDigi_>::isANeighbor(const Ref_Phase2TrackerDigi_& center,
                                                                      const Ref_Phase2TrackerDigi_& mayNeigh) const;

/// Add neighbours to the cluster
template <>
void TTClusterAlgorithm_neighbor<Ref_Phase2TrackerDigi_>::addNeighbors(std::vector<Ref_Phase2TrackerDigi_>& cluster,
                                                                       const std::vector<Ref_Phase2TrackerDigi_>& input,
                                                                       unsigned int startVal,
                                                                       std::vector<bool>& used) const;

/*! \class   ES_TTClusterAlgorithm_neighbor
 *  \brief   Class to declare the algorithm to the framework
 *
 *  \author Kristofer Henriksson
 *  \date   2013, Jul 15
 *
 */

template <typename T>
class ES_TTClusterAlgorithm_neighbor : public edm::ESProducer {
private:
  /// Data members

public:
  /// Constructor
  ES_TTClusterAlgorithm_neighbor(const edm::ParameterSet& p) { setWhatProduced(this); }

  /// Destructor
  ~ES_TTClusterAlgorithm_neighbor() override {}

  /// Implement the producer
  std::unique_ptr<TTClusterAlgorithm<T> > produce(const TTClusterAlgorithmRecord& record) {
    TTClusterAlgorithm<T>* TTClusterAlgo = new TTClusterAlgorithm_neighbor<T>();

    return std::unique_ptr<TTClusterAlgorithm<T> >(TTClusterAlgo);
  }

};  /// Close class

#endif