TrigT1RPC.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#include "TrigT1RPC.h"
 
#include "GeneratorObjects/McEventCollection.h"
#include "AtlasHepMC/GenEvent.h"
 
#include "MuonReadoutGeometry/RpcReadoutElement.h"
 
#include "TrigT1RPChardware/SectorLogic.h"
#include "TrigT1RPChardware/MatrixReadOut.h"
 
#include "TrigT1RPClogic/decodeSL.h"
#include "TrigT1RPClogic/ShowData.h"
 
#include "TrigT1Interfaces/Lvl1MuCTPIInput.h"
#include "TrigT1Interfaces/Lvl1MuCTPIInputPhase1.h"
 
#include <algorithm>
#include <cmath>
#include <stdexcept>

 
TrigT1RPC::TrigT1RPC(const std::string& name, ISvcLocator* pSvcLocator) :
  AthReentrantAlgorithm(name, pSvcLocator) {
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
StatusCode TrigT1RPC::initialize(){
    ATH_MSG_INFO("Initializing");
    ATH_CHECK(m_idHelperSvc.retrieve());
    ATH_CHECK(m_readKey.initialize());
    ATH_CHECK(m_rpcDigitKey.initialize());
    ATH_CHECK(m_muctpiPhase1Key.initialize(m_useRun3Config));
    ATH_CHECK(m_muctpiKey.initialize(!m_useRun3Config));
    ATH_CHECK(m_bis78TrigKey.initialize());
    ATH_CHECK(m_muDetMgrKey.initialize());
    if(m_nobxs>8){
      //The RPC simulation uses many arrays that assume maximum 8 BCs are readout
      //See TrigT1/TrigT1RPChardware/Matrix.h for example
      ATH_MSG_ERROR("Readout of more than 8 BCs is not supported by the simulation");
      return StatusCode::FAILURE;
    }
    return StatusCode::SUCCESS;
}
 
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
 
StatusCode TrigT1RPC::execute(const EventContext& ctx) const {
 
    SG::ReadCondHandle<RpcCablingCondData> readCdo{m_readKey, ctx};
    SG::ReadCondHandle<MuonGM::MuonDetectorManager> muDetMgrHandle{m_muDetMgrKey, ctx};
 
    RPCsimuData data;                  // instantiate the container for the RPC digits
    BIS78_triggerSimulation bis78Sim;  // BIS78 simulation helper
    CHECK(fill_RPCdata(ctx, data, bis78Sim, readCdo.cptr(), muDetMgrHandle.cptr()));  // fill the data with RPC simulated digts
    
    ATH_MSG_DEBUG(
        "RPC data loaded from G3:" << "\n"
        << ShowData<RPCsimuData>(data,"",m_data_detail) << "\n"
        << "RPC digits into station 1 ==> " 
        << data.how_many(-1,-1,1,-1,-1,-1) << "\n"
        << "RPC digits into station 2 ==> " 
        << data.how_many(-1,-1,2,-1,-1,-1) << "\n"
        << "RPC digits into station 3 ==> " 
        << data.how_many(-1,-1,3,-1,-1,-1)
        );
    // ******************** Start of Level-1 simulation section *****************
  unsigned long int debug;
    
  debug = (m_hardware_emulation)? m_cma_debug : m_fast_debug;           //
  CMAdata patterns(&data, readCdo.cptr(), debug);                       //
                                                                        //
  ATH_MSG_DEBUG ( "CMApatterns created from RPC digits:" << "\n" //
                  << ShowData<CMAdata>(patterns,"",m_data_detail) );      //
 

  debug = (m_hardware_emulation)? m_pad_debug : m_fast_debug;           //
  PADdata pads(&patterns,debug);                                        //
                                                                        //
  ATH_MSG_DEBUG ( "PADs created from CMA patterns:" << "\n"
                  << ShowData<PADdata>(pads,"",m_data_detail) );
 

  debug = (m_hardware_emulation)? m_sl_debug : m_fast_debug;            //
  SLdata sectors(&pads,debug);                                          //
                                                                        //
  ATH_MSG_DEBUG("Sector Logics created from PAD patterns:"     //
                << "\n"                                                         //
                << ShowData<SLdata>(sectors,"",m_data_detail) );        //  

  LVL1MUONIF::Lvl1MuCTPIInput * ctpiInRPC = nullptr;
  LVL1MUONIF::Lvl1MuCTPIInputPhase1 * ctpiPhase1InRPC = nullptr;
  if(m_useRun3Config){
    SG::WriteHandle<LVL1MUONIF::Lvl1MuCTPIInputPhase1> wh_muctpiRpc(m_muctpiPhase1Key, ctx);
    ATH_CHECK(wh_muctpiRpc.record(std::make_unique<LVL1MUONIF::Lvl1MuCTPIInputPhase1>()));
    ctpiPhase1InRPC = wh_muctpiRpc.ptr();
  }else{
    SG::WriteHandle<LVL1MUONIF::Lvl1MuCTPIInput> wh_muctpiRpc(m_muctpiKey, ctx);
    ATH_CHECK(wh_muctpiRpc.record(std::make_unique<LVL1MUONIF::Lvl1MuCTPIInput>()));
    ctpiInRPC = wh_muctpiRpc.ptr();
  }
 
                                                                        //
  SLdata::PatternsList sectors_patterns = sectors.give_patterns();      //
  SLdata::PatternsList::iterator SLit = sectors_patterns.begin();       //
                                                                        //
  while(SLit != sectors_patterns.end())                                 //
  {                                                                     //
    SectorLogic* logic = (*SLit)->give_SectorL(readCdo.cptr(), m_nobxs, m_bczero);
      int sector     = (*SLit)->sector();                               //
      int subsystem  = (sector > 31)? 1 : 0;                            //
      int logic_sector  = sector%32;//
 
      for (int dbc=m_firstBC_to_MUCTPI; dbc<=m_lastBC_to_MUCTPI; dbc++){
 
          unsigned int data_word = 0;
          try {
              data_word = logic->outputToMuCTPI(dbc);
          }
          catch (const std::out_of_range& ex) {
              ATH_MSG_WARNING(ex.what());
          }
          ATH_MSG_DEBUG(                                               //
              "Input to MuCTPI: side=" << subsystem                    //
              << ", SL= " << logic_sector                                 //
              << ", BC= " << dbc
              << ", RoI=" << TriggerRPC::ROI1(data_word)                  //
              << ", Th=" << TriggerRPC::PT1(data_word)                    //
              << ", data word " << MSG::hex << data_word                  //
              << MSG::dec );                                      //
      if(m_useRun3Config){
        LVL1MUONIF::Lvl1MuBarrelSectorLogicData sldata;
        sldata.convertFromWordFormat(data_word);
        LVL1MUONIF::Lvl1MuBarrelSectorLogicDataPhase1 sldata2;
        sldata2.bcid( sldata.bcid() );
        if(sldata.is2candidatesInSector()) sldata2.set2candidatesInSector();
        else sldata2.clear2candidatesInSector();
        for(int icand = 0 ; icand < 2 ; icand++){ // up to 2 candidates
          sldata2.pt(icand, sldata.pt(icand) );
          sldata2.roi(icand, sldata.roi(icand) );
          sldata2.ovl(icand, sldata.ovl(icand) );
          sldata2.charge(icand, sldata.charge(icand) );
          if(sldata.is2candidates(icand)) sldata2.set2candidates(icand);
          else sldata2.clear2candidates(icand);
        }
        ctpiPhase1InRPC->setSectorLogicData(sldata2,0,subsystem,logic_sector,dbc);
      }else{
        ctpiInRPC->setSectorLogicData(data_word,0,subsystem,logic_sector,dbc);
      }
      }
                                                                        //
      ++SLit;                                                           //
  }          
 
                                                           //
                                                                        //
  
  ATH_MSG_DEBUG ("put RPC Lvl1MuCTPIInput into SG" ); //
  
  
 
 
  // ******************* Start of Level-1 computation section *****************
 
  
  // ******************* Start Byte Stream production *************************
 
  if(m_bytestream_production)
  {
      RPCbytestream bytestream (patterns,
                               (std::string) m_bytestream_file,
                               msg(),
                               (unsigned long int) m_cma_ro_debug,
                               (unsigned long int) m_pad_ro_debug,
                               (unsigned long int) m_rx_ro_debug,
                               (unsigned long int) m_sl_ro_debug,
                               (unsigned long int) m_cma_rostruct_debug,
                               (unsigned long int) m_pad_rostruct_debug,
                               (unsigned long int) m_rx_rostruct_debug,
                   (unsigned long int) m_sl_rostruct_debug,
                   m_nobxs, m_bczero);
 
 
      // Example on how to access the byte stream data.
      // Only the bare structure is dump. To access a specific data member, use
      // the interface methods of MatrixReadOut and PadReadOut classes.
      
      ATH_MSG_DEBUG("Start retrieving data from the RPC bytestream class");
      
      RPCbytestream::PAD_Readout PADmap = bytestream.pad_readout();
      RPCbytestream::PAD_Readout::iterator it = PADmap.begin();
      while (it != PADmap.end())
      {
        // load the PAD data into a ostrstream object
        std::ostringstream PADdata;
 
        (*it).second.give_pad_readout()->bytestream(PADdata);
 
        //access to PadReadOut class and print the informations inside
        ATH_MSG_DEBUG ("Start dumping the PAD " << (*it).second.PAD()
                       << " bytestream structure" << "\n"
                       << PADdata.str());
          
        //access to MatrixReadOut classes given in input to that PAD
        for (int i=0;i<8;++i)
        {
          ATH_MSG_DEBUG( "Start dumping the Matrix " << i
                         << " into the PAD n. " << (*it).second.PAD());
 
          MatrixReadOut* matrix_read_out=(*it).second.matrices_readout(i);
 
          if(matrix_read_out)
          {   // load the Matrix data into a ostrstream object
            std::ostringstream CMAdata;
            CMAdata << *matrix_read_out;
          
            ATH_MSG_DEBUG (CMAdata.str());
          }
          else
          {
            ATH_MSG_DEBUG( "Matrix Read Out not loaded");
          }
        }
 
        ++it;
      }
  }
 
  // ******************* Start of BIS78 section *****************
 
  // Now BIS78 Trigger 
  const uint8_t dstrip_phi=1; // Delta phi for BIS78 coincidence
  const uint8_t dstrip_eta=1; // Delta eta for BIS78 coincidence
  const uint16_t bcid=0;
  
  SG::WriteHandle<Muon::RpcBis78_TrigRawDataContainer> wh_bis78RpcTrigData(m_bis78TrigKey, ctx);
  ATH_CHECK(wh_bis78RpcTrigData.record(std::make_unique<Muon::RpcBis78_TrigRawDataContainer>()));
 
  bis78Sim.build_trigRawData(wh_bis78RpcTrigData.ptr(), dstrip_phi, dstrip_eta, bcid);
 
  return StatusCode::SUCCESS;
}
 
StatusCode TrigT1RPC::fill_RPCdata(const EventContext& ctx, RPCsimuData &data, BIS78_triggerSimulation& bis78Sim, const RpcCablingCondData *readCdo, const MuonGM::MuonDetectorManager *muDetMgr) const
{
  ATH_MSG_DEBUG("in execute(): fill RPC data");
 
  SG::ReadHandle<RpcDigitContainer> rh_rpcDigits(m_rpcDigitKey, ctx);
  if (!rh_rpcDigits.isValid())
  {
      ATH_MSG_WARNING("No RPC digits container found");
      return StatusCode::SUCCESS;
  }
 
  int bisStationIndex = m_idHelperSvc->rpcIdHelper().stationNameIndex("BIS");
 
  for (const RpcDigitCollection *rpcCollection : *rh_rpcDigits)
  {
 
      Identifier moduleId = rpcCollection->identify();
 
      if (!m_idHelperSvc->isRpc(moduleId))
      {
        continue;
      }
 
      for (const RpcDigit *rpcDigit : *rpcCollection) {
     
        Identifier channelId = rpcDigit->identify();
        const int stationType = m_idHelperSvc->rpcIdHelper().stationName(channelId);
        std::string StationName = m_idHelperSvc->rpcIdHelper().stationNameString(stationType);
        int StationEta = m_idHelperSvc->rpcIdHelper().stationEta(channelId);
        int StationPhi = m_idHelperSvc->rpcIdHelper().stationPhi(channelId);
        int DoubletR = m_idHelperSvc->rpcIdHelper().doubletR(channelId);
        int DoubletZ = m_idHelperSvc->rpcIdHelper().doubletZ(channelId);
        int DoubletP = m_idHelperSvc->rpcIdHelper().doubletPhi(channelId);
        int GasGap = m_idHelperSvc->rpcIdHelper().gasGap(channelId);
        int MeasuresPhi = m_idHelperSvc->rpcIdHelper().measuresPhi(channelId);
        int Strip = m_idHelperSvc->rpcIdHelper().strip(channelId);
 
        const MuonGM::RpcReadoutElement *descriptor =
            muDetMgr->getRpcReadoutElement(channelId);
 
        // Get the global position of RPC strip from MuonDetDesc
        Amg::Vector3D pos = descriptor->stripPos(channelId);
 
        // Get the Level-1 numbering schema for the RPC strips
        unsigned long int strip_code_cab = readCdo->strip_code_fromOffId(StationName, StationEta, StationPhi,
                                                                         DoubletR, DoubletZ, DoubletP, GasGap, MeasuresPhi, Strip);
 
        if (strip_code_cab)
        {
        // Fill data for the Level-1 RPC digit
        float xyz[4];
        xyz[1] = pos.x() / 10.;    // coo[0];            //RPC strip x coordinate
        xyz[2] = pos.y() / 10.;    // coo[1];            //RPC strip y coordinate
        xyz[3] = pos.z() / 10.;    // coo[2];            //RPC strip z coordinate
        xyz[0] = rpcDigit->time(); // time of digits
 
        int param[3] = {0, 0, 0};
 
        RPCsimuDigit digit(0, strip_code_cab, param, xyz);
 
        data << digit;
 
        ATH_MSG_DEBUG("Muon Identifiers from GM:" << "\n"
                                                  << "         StationName = " << StationName << "\n"
                                                  << "         StationEta  = " << StationEta << "\n"
                                                  << "         StationPhi  = " << StationPhi << "\n"
                                                  << "         DoubletR    = " << DoubletR << "\n"
                                                  << "         DoubletZ    = " << DoubletZ << "\n"
                                                  << "         DoubletP    = " << DoubletP << "\n"
                                                  << "         GasGap      = " << GasGap << "\n"
                                                  << "         MeasuresPhi = " << MeasuresPhi << "\n"
                                                  << "         Strip       = " << Strip);
 
        ATH_MSG_DEBUG("RPC Digit from GM:" << "\n"
                                           << "         " << std::hex << channelId << std::dec << "\n"
                                           << "         GlobalPosition (cm) = "
                                           << setiosflags(std::ios::fixed) << std::setprecision(3)
                                           << std::setw(11) << pos.x()
                                           << setiosflags(std::ios::fixed) << std::setprecision(3)
                                           << std::setw(11) << pos.y()
                                           << setiosflags(std::ios::fixed) << std::setprecision(3)
                                           << std::setw(11) << pos.z());
        }
 
        // This section fills the BIS strip data
        if (stationType == bisStationIndex) {
        ATH_MSG_DEBUG("Filling BIS strip data: StationName=" << StationName << " StationEta=" << StationEta
                                                             << " StationPhi=" << StationPhi << " MeasuresPhi=" << MeasuresPhi
                                                             << " Strip=" << Strip << " GasGap=" << GasGap
                                                             << " Time=" << rpcDigit->time());
 
        bis78Sim.AddStrip(StationEta, StationPhi, GasGap, MeasuresPhi, Strip);
        }
      }
  }
 
  return StatusCode::SUCCESS;
}