int
LeptoquarksReco::AddTrackInformation( type_map_tcan& tauCandidateMap, SvtxTrackMap* trackmap, SvtxVertexMap* vertexmap, SvtxEvalStack *svtxevalstack, double R_max )
{
// Pointers for tracks //
SvtxTrackEval* trackeval = svtxevalstack->get_track_eval();
SvtxTruthEval* trutheval = svtxevalstack->get_truth_eval();
/* Loop over tau candidates */
for (type_map_tcan::iterator iter = tauCandidateMap.begin();
iter != tauCandidateMap.end();
++iter)
{
uint tracks_count_r02 = 0;
int tracks_chargesum_r02 = 0;
float tracks_rmax_r02 = 0;
uint tracks_count_r04 = 0;
int tracks_chargesum_r04 = 0;
float tracks_rmax_r04 = 0;
uint tracks_count_R = 0;
int tracks_chargesum_R = 0;
float tracks_rmax_R = 0;
vector<float> tracks_vertex;
vector<float> temp_vertex;
float jet_eta = (iter->second)->get_property_float( PidCandidate::jet_eta );
float jet_phi = (iter->second)->get_property_float( PidCandidate::jet_phi );
/* Loop over tracks
* (float) track->get_eta(), //eta of the track
* (float) track->get_phi(), //phi of the track
* (float) track->get_pt(), //transverse momentum of track
* (float) track->get_p(), //total momentum of track
* (float) track->get_charge(), //electric charge of track
* (float) track->get_quality() //track quality */
//Loop over tracks in event //
for (SvtxTrackMap::ConstIter track_itr = trackmap->begin();
track_itr != trackmap->end(); track_itr++) {
SvtxTrack* track = dynamic_cast<SvtxTrack*>(track_itr->second);
// Get track variables //
float track_eta = track->get_eta();
float track_phi = track->get_phi();
int track_charge = track->get_charge();
double gvx,gvy,gvz;
float delta_R = CalculateDeltaR( track_eta, track_phi, jet_eta, jet_phi );
PHG4Particle* g4particle = trackeval->max_truth_particle_by_nclusters(track);
// Get true vertex distances //
PHG4VtxPoint* vtx = trutheval->get_vertex(g4particle);
gvx = vtx->get_x();
gvy = vtx->get_y();
gvz = vtx->get_z();
// If charged track is within jet then use its vertex //
if(delta_R < 0.5 && trutheval->is_primary(g4particle)) tracks_vertex.push_back(sqrt(pow(gvx,2)+pow(gvy,2)+pow(gvz,2)));
/* if save_tracks set true: add track to tree */
if ( _save_tracks )
{
float track_data[17] = {(float) _ievent,
(float) (iter->second)->get_property_uint( PidCandidate::jet_id ),
(float) (iter->second)->get_property_int( PidCandidate::evtgen_pid ),
(float) (iter->second)->get_property_float( PidCandidate::evtgen_etotal ),
(float) (iter->second)->get_property_float( PidCandidate::evtgen_eta ),
(float) (iter->second)->get_property_float( PidCandidate::evtgen_phi ),
(float) (iter->second)->get_property_uint( PidCandidate::evtgen_decay_prong ),
(float) (iter->second)->get_property_uint( PidCandidate::evtgen_decay_hcharged ),
(float) (iter->second)->get_property_uint( PidCandidate::evtgen_decay_lcharged ),
(float) (iter->second)->get_property_float( PidCandidate::jet_eta ),
(float) (iter->second)->get_property_float( PidCandidate::jet_phi ),
(float) (iter->second)->get_property_float( PidCandidate::jet_etotal ),
(float) track->get_quality(),
(float) track_eta,
(float) track_phi,
(float) delta_R,
(float) track->get_p()
};
_ntp_track->Fill(track_data);
}
/* If track within search cone, update track information for tau candidate */
if ( delta_R < 0.2 )
{
tracks_count_r02++;
tracks_chargesum_r02 += track_charge;
if ( delta_R > tracks_rmax_r02 )
tracks_rmax_r02 = delta_R;
}
if ( delta_R < 0.4 )
{
tracks_count_r04++;
tracks_chargesum_r04 += track_charge;
if ( delta_R > tracks_rmax_r04 )
tracks_rmax_r04 = delta_R;
}
if ( delta_R < R_max )
{
tracks_count_R++;
tracks_chargesum_R += track_charge;
if ( delta_R > tracks_rmax_R )
tracks_rmax_R = delta_R;
}
} // end loop over reco tracks //
// sort vertex array in increasing order //
std::sort(tracks_vertex.begin(),tracks_vertex.end());
// Compute average vertex distance of tracks in jet //
float avg = Average(tracks_vertex);
/* Set track-based properties for tau candidate */
(iter->second)->set_property( PidCandidate::tracks_count_r02, tracks_count_r02 );
(iter->second)->set_property( PidCandidate::tracks_chargesum_r02, tracks_chargesum_r02 );
(iter->second)->set_property( PidCandidate::tracks_rmax_r02, tracks_rmax_r02 );
(iter->second)->set_property( PidCandidate::tracks_count_r04, tracks_count_r04 );
(iter->second)->set_property( PidCandidate::tracks_chargesum_r04, tracks_chargesum_r04 );
(iter->second)->set_property( PidCandidate::tracks_rmax_r04, tracks_rmax_r04 );
(iter->second)->set_property( PidCandidate::tracks_count_R, tracks_count_R );
(iter->second)->set_property( PidCandidate::tracks_chargesum_R, tracks_chargesum_R );
(iter->second)->set_property( PidCandidate::tracks_rmax_R, tracks_rmax_R );
if(avg == avg) (iter->second)->set_property( PidCandidate::tracks_vertex, avg);
} // end loop over tau candidates
return 0;
}
int SimpleTrackingAnalysis::process_event(PHCompositeNode *topNode)
{
// --- This is the class process_event method
// --- This is where the bulk of the analysis is done
// --- Here we get the various data nodes we need to do the analysis
// --- Then we use variables (accessed through class methods) to perform calculations
if ( verbosity > -1 )
{
cout << endl;
cout << "------------------------------------------------------------------------------------" << endl;
cout << "Now processing event number " << nevents << endl; // would be good to add verbosity switch
}
++nevents; // You may as youtself, why ++nevents (pre-increment) rather
// than nevents++ (post-increment)? The short answer is performance.
// For simple types it probably doesn't matter, but it can really help
// for complex types (like the iterators below).
// --- Truth level information
PHG4TruthInfoContainer* truthinfo = findNode::getClass<PHG4TruthInfoContainer>(topNode,"G4TruthInfo");
if ( !truthinfo )
{
cerr << PHWHERE << " ERROR: Can't find G4TruthInfo" << endl;
exit(-1);
}
// --- SvtxTrackMap
SvtxTrackMap* trackmap = findNode::getClass<SvtxTrackMap>(topNode,"SvtxTrackMap");
if ( !trackmap )
{
cerr << PHWHERE << " ERROR: Can't find SvtxTrackMap" << endl;
exit(-1);
}
// --- SvtxVertexMap
SvtxVertexMap* vertexmap = findNode::getClass<SvtxVertexMap>(topNode,"SvtxVertexMap");
if ( !vertexmap )
{
cerr << PHWHERE << " ERROR: Can't find SvtxVertexMap" << endl;
exit(-1);
}
// --- Create SVTX eval stack
SvtxEvalStack svtxevalstack(topNode);
// --- Get evaluator objects from the eval stack
SvtxVertexEval* vertexeval = svtxevalstack.get_vertex_eval();
SvtxTrackEval* trackeval = svtxevalstack.get_track_eval();
SvtxTruthEval* trutheval = svtxevalstack.get_truth_eval();
if ( verbosity > 0 ) cout << "Now going to loop over truth partcles..." << endl; // need verbosity switch
// --- Loop over all truth particles
PHG4TruthInfoContainer::Range range = truthinfo->GetPrimaryParticleRange();
for ( PHG4TruthInfoContainer::ConstIterator iter = range.first; iter != range.second; ++iter )
{
PHG4Particle* g4particle = iter->second; // You may ask yourself, why second?
// In C++ the iterator is a map, which has two members
// first is the key (analogous the index of an arry),
// second is the value (analogous to the value stored for the array index)
int particleID = g4particle->get_pid();
if ( trutheval->get_embed(g4particle) <= 0 && fabs(particleID) == 11 && verbosity > 0 )
{
cout << "NON EMBEDDED ELECTRON!!! WHEE!!! " << particleID << " " << iter->first << endl;
}
if ( trutheval->get_embed(g4particle) <= 0 ) continue; // only look at embedded particles // no good for hits files
bool iselectron = fabs(particleID) == 11;
bool ispion = fabs(particleID) == 211;
if ( verbosity > 0 ) cout << "embedded particle ID is " << particleID << " ispion " << ispion << " iselectron " << iselectron << " " << iter->first << endl;
set<PHG4Hit*> g4hits = trutheval->all_truth_hits(g4particle);
float ng4hits = g4hits.size();
float truept = sqrt(pow(g4particle->get_px(),2)+pow(g4particle->get_py(),2));
float true_energy = g4particle->get_e();
// --- Get the reconsructed SvtxTrack based on the best candidate from the truth info
SvtxTrack* track = trackeval->best_track_from(g4particle);
if (!track) continue;
float recopt = track->get_pt();
float recop = track->get_p();
if ( verbosity > 0 )
{
cout << "truept is " << truept << endl;
cout << "recopt is " << recopt << endl;
cout << "true energy is " << true_energy << endl;
}
// --- energy variables directly from the track object
float emc_energy_track = track->get_cal_energy_3x3(SvtxTrack::CEMC);
float hci_energy_track = track->get_cal_energy_3x3(SvtxTrack::HCALIN);
float hco_energy_track = track->get_cal_energy_3x3(SvtxTrack::HCALOUT);
if ( verbosity > 0 )
{
cout << "emc_energy_track is " << emc_energy_track << endl;
cout << "hci_energy_track is " << hci_energy_track << endl;
cout << "hco_energy_track is " << hco_energy_track << endl;
}
// -------------------------------------------------------------------------------------
// --- IMPORTANT NOTE: according to Jin, dphi and deta will not work correctly in HIJING
float emc_dphi_track = track->get_cal_dphi(SvtxTrack::CEMC);
float hci_dphi_track = track->get_cal_dphi(SvtxTrack::HCALIN);
float hco_dphi_track = track->get_cal_dphi(SvtxTrack::HCALOUT);
float emc_deta_track = track->get_cal_deta(SvtxTrack::CEMC);
float hci_deta_track = track->get_cal_deta(SvtxTrack::HCALIN);
float hco_deta_track = track->get_cal_deta(SvtxTrack::HCALOUT);
float assoc_dphi = 0.1; // adjust as needed, consider class set method
float assoc_deta = 0.1; // adjust as needed, consider class set method
bool good_emc_assoc = fabs(emc_dphi_track) < assoc_dphi && fabs(emc_deta_track) < assoc_deta;
bool good_hci_assoc = fabs(hci_dphi_track) < assoc_dphi && fabs(hci_deta_track) < assoc_deta;
bool good_hco_assoc = fabs(hco_dphi_track) < assoc_dphi && fabs(hco_deta_track) < assoc_deta;
// ------------------------------------------------------------------------------------------
float hct_energy_track = 0;
if ( hci_energy_track >= 0 ) hct_energy_track += hci_energy_track;
if ( hco_energy_track >= 0 ) hct_energy_track += hco_energy_track;
float total_energy_dumb = 0;
if ( emc_energy_track >= 0 ) total_energy_dumb += emc_energy_track;
if ( hci_energy_track >= 0 ) total_energy_dumb += hci_energy_track;
if ( hco_energy_track >= 0 ) total_energy_dumb += hco_energy_track;
float total_energy_smart = 0;
if ( good_emc_assoc ) total_energy_smart += emc_energy_track;
if ( good_hci_assoc ) total_energy_smart += hci_energy_track;
if ( good_hco_assoc ) total_energy_smart += hco_energy_track;
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
//cout << "starting the main part of the truth analysis" << endl;
// examine truth particles that leave all (7 or 8 depending on design) detector hits
if ( ng4hits == nlayers )
{
_truept_particles_leavingAllHits->Fill(truept);
unsigned int nfromtruth = trackeval->get_nclusters_contribution(track,g4particle);
unsigned int ndiff = abs((int)nfromtruth-(int)nlayers);
if ( ndiff <= 2 ) _truept_particles_recoWithin2Hits->Fill(truept);
if ( ndiff <= 1 ) _truept_particles_recoWithin1Hit->Fill(truept);
if ( ndiff == 0 ) _truept_particles_recoWithExactHits->Fill(truept);
float diff = fabs(recopt-truept)/truept;
if ( diff < 0.05 ) _truept_particles_recoWithin5Percent->Fill(truept);
if ( diff < 0.04 )
{
_truept_particles_recoWithin4Percent->Fill(truept);
_truept_quality_particles_recoWithin4Percent->Fill(truept,track->get_quality());
}
if ( diff < 0.03 ) _truept_particles_recoWithin3Percent->Fill(truept);
double good_energy = total_energy_dumb - 3.14;
double eoverp = good_energy/recop;
double sigmapt = 0.011 + 0.0008*recopt;
th2d_truept_particles_withcalocuts_leavingAllHits->Fill(truept,eoverp);
if ( ndiff <= 2 ) th2d_truept_particles_withcalocuts_recoWithin2Hits->Fill(truept,eoverp);
if ( ndiff <= 1 ) th2d_truept_particles_withcalocuts_recoWithin1Hit->Fill(truept,eoverp);
if ( ndiff == 0 ) th2d_truept_particles_withcalocuts_recoWithExactHits->Fill(truept,eoverp);
if ( diff < 0.05 ) th2d_truept_particles_withcalocuts_recoWithin5Percent->Fill(truept,eoverp);
if ( diff < 0.04 ) th2d_truept_particles_withcalocuts_recoWithin4Percent->Fill(truept,eoverp);
if ( diff < 0.03 ) th2d_truept_particles_withcalocuts_recoWithin3Percent->Fill(truept,eoverp);
if ( diff < 1.0*sigmapt ) th2d_truept_particles_withcalocuts_recoWithin1Sigma->Fill(recopt,eoverp);
if ( diff < 2.0*sigmapt ) th2d_truept_particles_withcalocuts_recoWithin2Sigma->Fill(recopt,eoverp);
if ( diff < 3.0*sigmapt ) th2d_truept_particles_withcalocuts_recoWithin3Sigma->Fill(recopt,eoverp);
} // end of requirement of ng4hits == nlayers
} // end of loop over truth particles
// loop over all reco particles
int ntracks = 0;
for ( SvtxTrackMap::Iter iter = trackmap->begin(); iter != trackmap->end(); ++iter )
{
// --- Get the StxTrack object (from the iterator)
SvtxTrack* track = iter->second;
float recopt = track->get_pt();
float recop = track->get_p();
// --- Get the truth particle from the evaluator
PHG4Particle* g4particle = trackeval->max_truth_particle_by_nclusters(track);
float truept = sqrt(pow(g4particle->get_px(),2)+pow(g4particle->get_py(),2));
int particleID = g4particle->get_pid();
if ( verbosity > 5 ) cout << "particle ID is " << particleID << endl;
bool iselectron = fabs(particleID) == 11;
bool ispion = fabs(particleID) == 211;
// ---------------------
// --- calorimeter stuff
// ---------------------
// --- get the energy values directly from the track
float emc_energy_track = track->get_cal_energy_3x3(SvtxTrack::CEMC);
float hci_energy_track = track->get_cal_energy_3x3(SvtxTrack::HCALIN);
float hco_energy_track = track->get_cal_energy_3x3(SvtxTrack::HCALOUT);
float total_energy = 0;
if ( emc_energy_track > 0 ) total_energy += emc_energy_track;
if ( hci_energy_track > 0 ) total_energy += hci_energy_track;
if ( hco_energy_track > 0 ) total_energy += hco_energy_track;
if ( verbosity > 2 ) cout << "total calo energy is " << total_energy << endl;
if (trutheval->get_embed(g4particle) > 0)
{
// embedded results (quality or performance measures)
_truept_dptoverpt->Fill(truept,(recopt-truept)/truept);
_truept_dca->Fill(truept,track->get_dca2d());
_recopt_quality->Fill(recopt,track->get_quality());
if ( verbosity > 0 ) cout << "embedded particle ID is " << particleID << " ispion " << ispion << " iselectron " << iselectron << endl;
// ---
} // end if (embedded results)
else
{
// electron and pion (hadron) id
// non-embedded results (purity measures)
_recopt_tracks_all->Fill(recopt);
_recopt_quality_tracks_all->Fill(recopt,track->get_quality());
unsigned int nfromtruth = trackeval->get_nclusters_contribution(track,g4particle);
unsigned int ndiff = abs((int)nfromtruth-(int)nlayers);
if ( ndiff <= 2 ) _recopt_tracks_recoWithin2Hits->Fill(recopt);
if ( ndiff <= 1 ) _recopt_tracks_recoWithin1Hit->Fill(recopt);
if ( ndiff == 0 ) _recopt_tracks_recoWithExactHits->Fill(recopt);
float diff = fabs(recopt-truept)/truept;
if ( diff < 0.05 ) _recopt_tracks_recoWithin5Percent->Fill(recopt);
if ( diff < 0.04 )
{
_recopt_tracks_recoWithin4Percent->Fill(recopt);
_recopt_quality_tracks_recoWithin4Percent->Fill(recopt,track->get_quality());
}
if ( diff < 0.03 ) _recopt_tracks_recoWithin3Percent->Fill(recopt);
// --------------------------------------
// --- same but now with calorimeter cuts
// --------------------------------------
double good_energy = total_energy - 3.14;
double eoverp = good_energy/recop;
double sigmapt = 0.011 + 0.0008*recopt;
th2d_recopt_tracks_withcalocuts_all->Fill(recopt,eoverp);
if ( ndiff <= 2 ) th2d_recopt_tracks_withcalocuts_recoWithin2Hits->Fill(recopt,eoverp);
if ( ndiff <= 1 ) th2d_recopt_tracks_withcalocuts_recoWithin1Hit->Fill(recopt,eoverp);
if ( ndiff == 0 ) th2d_recopt_tracks_withcalocuts_recoWithExactHits->Fill(recopt,eoverp);
if ( diff < 0.05 ) th2d_recopt_tracks_withcalocuts_recoWithin5Percent->Fill(recopt,eoverp);
if ( diff < 0.04 ) th2d_recopt_tracks_withcalocuts_recoWithin4Percent->Fill(recopt,eoverp);
if ( diff < 0.03 ) th2d_recopt_tracks_withcalocuts_recoWithin3Percent->Fill(recopt,eoverp);
if ( diff < 1.0*sigmapt ) th2d_recopt_tracks_withcalocuts_recoWithin1Sigma->Fill(recopt,eoverp);
if ( diff < 2.0*sigmapt ) th2d_recopt_tracks_withcalocuts_recoWithin2Sigma->Fill(recopt,eoverp);
if ( diff < 3.0*sigmapt ) th2d_recopt_tracks_withcalocuts_recoWithin3Sigma->Fill(recopt,eoverp);
// --- done with reco tracks
} // else (non-embedded results)
++ntracks;
} // loop over reco tracks
hmult->Fill(ntracks);
// --- Get the leading vertex
SvtxVertex* maxvertex = NULL;
unsigned int maxtracks = 0;
for ( SvtxVertexMap::Iter iter = vertexmap->begin(); iter != vertexmap->end(); ++iter )
{
SvtxVertex* vertex = iter->second;
if ( vertex->size_tracks() > maxtracks )
{
maxvertex = vertex;
maxtracks = vertex->size_tracks();
}
}
if ( !maxvertex )
{
cerr << PHWHERE << " ERROR: cannot get reconstructed vertex (event number " << nevents << ")" << endl;
++nerrors;
return Fun4AllReturnCodes::DISCARDEVENT;
}
// --- Get the coordinates for the vertex from the evaluator
PHG4VtxPoint* point = vertexeval->max_truth_point_by_ntracks(maxvertex);
if ( !point )
{
cerr << PHWHERE << " ERROR: cannot get truth vertex (event number " << nevents << ")" << endl;
++nerrors;
return Fun4AllReturnCodes::DISCARDEVENT;
}
_dx_vertex->Fill(maxvertex->get_x() - point->get_x());
_dy_vertex->Fill(maxvertex->get_y() - point->get_y());
_dz_vertex->Fill(maxvertex->get_z() - point->get_z());
hmult_vertex->Fill(ntracks);
return Fun4AllReturnCodes::EVENT_OK;
}
