MM_ClusterOnTrackCnv_p1.cxx

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
//-----------------------------------------------------------------------------
//
// file:   MM_ClusterOnTrackCnv_p1.cxx
//
//-----------------------------------------------------------------------------
 
#include "MuonRIO_OnTrack/MMClusterOnTrack.h"
#include "MuonEventTPCnv/MuonRIO_OnTrack/MM_ClusterOnTrackCnv_p1.h"
#include "TrkEventTPCnv/helpers/EigenHelpers.h"
 
namespace{
   template <class T> T copy(const T& obj) { return T{obj}; }
}
 
void MM_ClusterOnTrackCnv_p1::persToTrans(const Muon::MM_ClusterOnTrack_p1 *persObj,
                                            Muon::MMClusterOnTrack *transObj, 
                                          MsgStream &log ) {
   
   ElementLinkToIDC_MM_Container rio;
   m_elCnv.persToTrans(&persObj->m_prdLink,&rio,log);
   Trk::LocalParameters localParams;
   fillTransFromPStore( &m_localParCnv, persObj->m_localParams, &localParams, log );
 
   Trk::ErrorMatrix dummy;
   Amg::MatrixX localCovariance;
   fillTransFromPStore( &m_errorMxCnv, persObj->m_localErrMat, &dummy, log );
   EigenHelpers::vectorToEigenMatrix(dummy.values, localCovariance, "RIO_OnTrackCnv_p2");
 
   std::vector<Amg::MatrixX> stripDriftDistErrors;
   stripDriftDistErrors.reserve(persObj->m_stripDriftDistErrors_0_0.size());
   for(uint i_strip = 0; i_strip < persObj->m_stripDriftDistErrors_0_0.size(); ++i_strip) {
     Amg::MatrixX tmp(2, 2);
     tmp(0, 0) = persObj->m_stripDriftDistErrors_0_0.at(i_strip);
     tmp(1, 1) = persObj->m_stripDriftDistErrors_1_1.at(i_strip);
     stripDriftDistErrors.push_back(tmp);
   }
 
 
   *transObj = Muon::MMClusterOnTrack (rio,
                                       std::move(localParams),
                                       std::move(localCovariance),
                                       Identifier (persObj->m_id),
                                       nullptr,
                                       copy(persObj->m_positionAlongStrip),
                                       copy(persObj->m_stripDriftDists),
                                       std::move(stripDriftDistErrors));
  transObj->setAuthor(static_cast<Muon::MMClusterOnTrack::Author>(persObj->m_author));
 
   // Attempt to call supertool to fill in detElements
   m_eventCnvTool->recreateRIO_OnTrack(transObj);
   if (transObj->detectorElement()==nullptr) 
        log << MSG::WARNING<<"Unable to reset DetEl for this RIO_OnTrack, "
            << "probably because of a problem with the Identifier/IdentifierHash : ("
            << transObj->identify()<<"/"<<transObj->idDE()<<endmsg;   
}
 
 
void MM_ClusterOnTrackCnv_p1::transToPers(const Muon::MMClusterOnTrack *transObj,
                                            Muon::MM_ClusterOnTrack_p1 *persObj, 
                                          MsgStream &log ) {
  // Prepare ELs
   Trk::IEventCnvSuperTool::ELKey_t key;
   Trk::IEventCnvSuperTool::ELIndex_t index;
   m_eventCnvTool->prepareRIO_OnTrackLink(transObj, key, index);
   ElementLinkToIDC_MM_Container eltmp (key, index);
  
   m_elCnv.transToPers(&eltmp, &persObj->m_prdLink,log);
   persObj->m_positionAlongStrip = transObj->positionAlongStrip();
   persObj->m_stripDriftDists = transObj->stripDriftDists();
   
   persObj->m_stripDriftDistErrors_0_0.reserve(transObj->stripDriftDistErrors().size());
   persObj->m_stripDriftDistErrors_1_1.reserve(transObj->stripDriftDistErrors().size());
 
   for(uint i_strip = 0; i_strip < transObj->stripDriftDistErrors().size(); i_strip++){
     persObj->m_stripDriftDistErrors_0_0.push_back(transObj->stripDriftDistErrors().at(i_strip)(0,0));
     persObj->m_stripDriftDistErrors_1_1.push_back(transObj->stripDriftDistErrors().at(i_strip)(1,1));
   }
 
   persObj->m_id = transObj->identify().get_identifier32().get_compact();
   persObj->m_localParams = toPersistent( &m_localParCnv, &transObj->localParameters(), log );
   Trk::ErrorMatrix pMat;
   EigenHelpers::eigenMatrixToVector(pMat.values, transObj->localCovariance(), "CscClusterOnTrackCnv_p2");
   persObj->m_localErrMat = toPersistent( &m_errorMxCnv, &pMat, log );
   persObj->m_author = static_cast<uint8_t>(transObj->author());
 
}