GlobalCellTowerAlgTool.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef GLOBALSIM_GLOBALCELLTOWERALGTOOL_H
#define GLOBALSIM_GLOBALCELLTOWERALGTOOL_H
 
/*
  This algorithm simulates the cell towers for the Global Trigger. Input is taken only from LAr cells contained in the
  GlobalLArCellContainer. Tile cells are not included for now. Cells are placed in towers based on their eta and phi
  positions and written out as a GenericTOB.
*/
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
 
#include "../../IGlobalSimAlgTool.h"
#include "../Hypothesis/UCL/GenericTob.h"
 
#include <bitset>
#include <string>
#include <cassert>
 
namespace GlobalSim {
 
  class GlobalLArCell;
  class GlobalLArCellContainer;
  class GenericTob;
 
  class GlobalCellTowerAlgTool: public extends<AthAlgTool, IGlobalSimAlgTool> {
    
  public:
 
    GlobalCellTowerAlgTool(const std::string& type, const std::string& name, const IInterface* parent);
    
    ~GlobalCellTowerAlgTool() override = default;
    
    virtual StatusCode initialize() override;
 
    virtual StatusCode run(const EventContext& ctx) const override;
 
    static std::string toBinary(int value, int width) { 
        assert(width <= 32);
        return std::bitset<32>(value).to_string().substr(32 - width); 
    }
 
    static std::string makeTowerBits(int energy, int etaBin, int phiBin);
 
    virtual std::string toString() const override;
    
  private:
 
    SG::ReadHandleKey<GlobalSim::GlobalLArCellContainer> m_gblLArCellContainerKey {this, "GlobalLArCellsKey", "GlobalLArCells", "Key for the output container of the LAr cells sent to Global"}; 
 
    SG::WriteHandleKey<GenericTobContainer> m_gblCellTowers {this, "GlobalCellTowersKey", "GlobalCellTowers", "Key to the container of generic TOBS containing the cell towers"};
 
  };
  
} // namespace GlobalSim
    
#endif