detectors/trd/Cluster.h

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/* Copyright (C) 2024 Facility for Antiproton and Ion Research in Europe, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Dominik Smith [committer], Alexandru Bercuci */
 
#pragma once
 
#include <cstddef>
#include <cstdint>
#include <vector>
 
class CbmTrdDigi;
 
namespace cbm::algo::trd
{
  class Cluster {
 
   public:
    Cluster() = delete;
    Cluster(const std::vector<int32_t>& indices, const std::vector<const CbmTrdDigi*>& digis, int32_t address,
            uint16_t ncols, uint16_t nrows);
 
    virtual ~Cluster(){};
 
    size_t GetNofDigis() const { return fDigiInd.size(); }
 
    int32_t GetDigi(int32_t index) const { return fDigiInd[index]; }
 
    const std::vector<const CbmTrdDigi*>& GetDigis() const { return fDigis; }
 
    const std::vector<int32_t>& GetDigiIndices() const { return fDigiInd; }
 
    int32_t GetAddress() const { return fAddress; }
    uint16_t GetStartCh() const { return fStartCh; }
    uint16_t GetNCols() const { return fNCols; }
    uint16_t GetNRows() const { return fNRows & 0x1f; }
    uint16_t GetNRowsRaw() const { return fNRows; }
    uint32_t GetStartTime() const { return fStartTime; }
    bool HasFaspDigis() const { return false; }
 
   private:
    std::vector<int32_t> fDigiInd;          
    std::vector<const CbmTrdDigi*> fDigis;  
 
    int32_t fAddress    = 0;     
    uint8_t fNCols      = 0;     //< number of columns with charge above threshold
    uint8_t fNRows      = 0x1f;  //< cluster row info plus extra meta data. Use dedicated getters for the correct value
    uint16_t fStartCh   = 0xffff;      //< channel address of first channel
    uint32_t fStartTime = 0xffffffff;  
 
    void SetNRows(uint16_t nrows)
    {
      fNRows &= (7 << 5);
      fNRows |= (nrows & 0x1f);
    }
  };
}  // namespace cbm::algo::trd