CaloSuperCellIDTool.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
 
/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
// $Id$
 
 
#ifndef CALODETDESCR_CALOSUPERCELLIDTOOL_H
#define CALODETDESCR_CALOSUPERCELLIDTOOL_H
 
 
#include "CaloDetDescr/ICaloSuperCellIDTool.h"
#include "Identifier/IdentifierHash.h"
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
 
 
class CaloCell_ID;
class CaloCell_SuperCell_ID;
 
class CaloSuperCellIDTool
  : public extends<AthAlgTool, ICaloSuperCellIDTool>
{
public:
  CaloSuperCellIDTool (const std::string& type,
                       const std::string& name,
                       const IInterface* parent);
 

  virtual StatusCode initialize();
 

  virtual Identifier offlineToSuperCellID (const Identifier& id) const;
 

  virtual std::vector<Identifier>
  superCellToOfflineID (const Identifier& id) const;
 

  virtual std::vector<Identifier>
  offlineToSuperCellRegion (const Identifier& reg_id) const;
 

  virtual std::vector<Identifier>
  superCellToOfflineRegion (const Identifier& reg_id) const;
 
 
private:
  void initFCALIDMap();
 
  // During initialization, we create a table describing the mapping
  // beween offline and supercell regions.  There is one entry per
  // unique pair of offline/supercell regions, sorted in increasing
  // hash order.  (So there may be multiple entries for a given
  // offline or supercell region, but such entries should be adjacent
  // in the table.)

  void initIDMap ();

  struct IDMapElt {
    IdentifierHash m_cell_reg;

    IdentifierHash m_sc_reg;

    int m_etadiv;
    int m_phidiv;

    int m_cell_ietamin;
    int m_cell_ietamax;

    int m_sc_ietamin;
    int m_sc_ietamax;

    int m_cell_ieta_adj;
    int m_sc_ieta_adj;
  };

  void addMapEntry (const IDMapElt& elt);

  std::vector<IDMapElt> m_idmap;

  std::vector<int> m_offlineIndex;

  std::vector<int> m_superCellIndex;

  std::vector<int> m_superCellIndexEnd;

  std::vector<Identifier> m_fcal_fromCell;
  std::vector< std::vector<Identifier> > m_fcal_fromSuperCell;

  const CaloCell_ID* m_cell_helper;
  const CaloCell_SuperCell_ID* m_sc_helper;
};
 
 
#endif // not CALODETDESCR_CALOSUPERCELLIDTOOL_H