sTgcSimIdToOfflineId.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef sTgcSIMIDTOOFFLINEID_H
#define sTgcSIMIDTOOFFLINEID_H
 
#include "MuonSimEvent/sTgcHitIdHelper.h"
#include "MuonIdHelpers/sTgcIdHelper.h"
#include "Identifier/Identifier.h"
 
struct sTgcSimIdToOfflineId {
  
  sTgcSimIdToOfflineId( const sTgcIdHelper* idHelper ) : m_idHelper(idHelper),m_simIdHelper(sTgcHitIdHelper::GetHelper()) {}
  
  inline Identifier convert( int simId ) const;
  inline int convert (const Identifier & id) const;
 
  const sTgcIdHelper* m_idHelper;
  const sTgcHitIdHelper* m_simIdHelper;
};
 
 
Identifier sTgcSimIdToOfflineId::convert( int simId ) const {
  std::string stationName = m_simIdHelper->GetStationName(simId);
  int stationEta = m_simIdHelper->GetZSector(simId);
  int stationPhi  = m_simIdHelper->GetPhiSector(simId);
  int multilayer = m_simIdHelper->GetMultiLayer(simId);
  int layer = m_simIdHelper->GetLayer(simId);
  int side = m_simIdHelper->GetSide(simId);
  return m_idHelper->channelID( stationName[1] == 'L' ?  "STL" : "STS",
                side == 1 ? stationEta+1 : -stationEta-1,
                (stationPhi-1)/2+1,multilayer,layer,sTgcIdHelper::sTgcChannelTypes::Wire,1 );
}
 
inline int sTgcSimIdToOfflineId::convert (const Identifier & id) const
    {
    int stationEta=m_idHelper->stationEta(id);
    int side(stationEta>0 ? 1 : -1);
    stationEta = abs(stationEta) - 1;
    bool isSmall(m_idHelper->isSmall(id));
    int phi=2*m_idHelper->stationPhi(id) - static_cast<int>(!isSmall);
    int ml=m_idHelper->multilayer(id);
  std::string quadType = "P"; // is either "P"=Pivot or "C"=Confirm
  if (isSmall && (ml == 1)) quadType = "C";
  if (!isSmall && (ml == 2)) quadType = "C";
    int ly=m_idHelper->gasGap(id);
    std::ostringstream stationName;
    stationName << "Q" << (isSmall ? "S" : "L") << stationEta << quadType;
    return m_simIdHelper->BuildsTgcHitId(stationName.str(), phi, stationEta, ml, ly, side);
    }
 
#endif