tof/Clusterizer.h

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/* Copyright (C) 2022 Facility for Antiproton and Ion Research in Europe, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Dominik Smith [committer], Pierre-Alain Loizeau */
 
/*
   This algo was based on CbmTofEventClusterizer
*/
 
#ifndef CLUSTERIZERTOF_H
#define CLUSTERIZERTOF_H
 
// TOF Classes and includes
class CbmTofDigi;
 
#include "ClusterizerPars.h"
#include "Hit.h"
 
// C++ Classes and includes
#include <cmath>
#include <memory>
#include <vector>
 
namespace cbm::algo::tof
{
  class Clusterizer {
   public:
    typedef std::tuple<std::vector<Hit>, std::vector<size_t>, std::vector<u32>, std::vector<int32_t>> resultType;
 
    Clusterizer(ClusterizerRpcPar params) : fParams(params){};
 
    Clusterizer() = default;
 
    resultType operator()(const std::vector<std::pair<CbmTofDigi, int32_t>>& digisIn);
 
   private:
    typedef std::vector<std::pair<const CbmTofDigi*, int32_t>> inputType;
 
    ClusterizerRpcPar fParams;  
 
    std::vector<inputType> chanSortDigis(const std::vector<std::pair<CbmTofDigi, int32_t>>& digisIn);
 
    resultType buildClusters(std::vector<inputType>& input);
 
    bool AddNextChan(std::vector<inputType>& input, int32_t iLastChan, Hit& cluster, std::vector<Hit>& clustersOut,
                     std::vector<int32_t>& digiIndRef, std::vector<inputType::iterator>* lastChanPos = nullptr);
  };
 
}  // namespace cbm::algo::tof
 
#endif  // CLUSTERIZERTOF_H