AnalysisConfig_Ntuple.cxx

Go to the documentation of this file.

 
#include <cstdio>
 
#include <sys/time.h> 
 
#include "McParticleEvent/TruthParticleContainer.h"
 
#include "GeneratorObjects/McEventCollection.h"
#include "AtlasHepMC/GenEvent.h"
#include "AtlasHepMC/GenVertex.h"
#include "AtlasHepMC/GenParticle.h"
 
 
#include "EventInfo/EventInfo.h"
#include "EventInfo/EventID.h"
#include "xAODEventInfo/EventInfo.h"
 
 
#include "TrigInDetAnalysis/TIDDirectory.h"
#include "TrigInDetAnalysisUtils/TIDARoiDescriptorBuilder.h"
 
#include "TrigInDetAnalysis/Filter_AcceptAll.h"
 
#include "TrigInDetAnalysisUtils/Filter_etaPT.h"
#include "TrigInDetAnalysisUtils/Filter_RoiSelector.h"
#include "TrigInDetAnalysisUtils/Filters.h"
 
#include "TrigInDetAnalysisExample/AnalysisConfig_Ntuple.h"
// #include "TrigInDetAnalysisUtils/OfflineObjectSelection.h"
 
#include "TrkParameters/TrackParameters.h"
#include "TrkTrack/TrackCollection.h"
#include "TrkTrack/Track.h"
 
 
#include "VxVertex/VxContainer.h"
 
#include "muonEvent/MuonContainer.h"
 
#include "egammaEvent/ElectronContainer.h"
 
#include "tauEvent/TauJetContainer.h"
 
//#include "JetEvent/JetCollection.h"
 
#include "TrigSteeringEvent/HLTResult.h"
#include "TrigDecisionTool/ExpertMethods.h"
 
#include "TrigSteeringEvent/TrigRoiDescriptorCollection.h"
 
#include "xAODTracking/TrackParticle.h"
#include "xAODTracking/TrackParticleContainer.h"
 
 
#define endmsg endmsg
 
 
 
std::string date() { 
  time_t t;
  time(&t);
  char buf[26];
  std::string mtime = ctime_r(&t, buf);
  mtime.erase( std::remove(mtime.begin(), mtime.end(), '\n'), mtime.end() );
  return mtime;
}
 
 
//function to find true taus
HepMC::ConstGenParticlePtr fromParent( int pdg_id, HepMC::ConstGenParticlePtr p, bool printout=false ) { 
 
  if ( p==0 ) return 0;
  if (std::abs(p->pdg_id())==11 || std::abs(p->pdg_id())==13 ) return 0; //don't want light leptons from tau decays
  if ( std::abs(p->pdg_id())==pdg_id ) return p;   
    
  auto vertex = p->production_vertex();
  if ( !vertex) return 0; // has no production vertex !!!
 
#ifdef HEPMC3
  if ( vertex->particles_in().size() < 1 ) return 0;  
 
  //  if ( printout ) { 
  //     TruthParticle t(p);
  //     std::cout << "particle " << *p << "  " << t.pdgId() << "\tparent " << p << std::endl;
  //  }
  
  for ( auto in: vertex->particles_in()) {
    auto parent = fromParent( pdg_id, in, printout );
    TruthParticle t(in);
    if ( parent && std::abs(parent->pdg_id())==pdg_id) { 
      return parent;
    }  
  }
#else  
  if ( vertex->particles_in_size() < 1 ) return 0;  
 
  HepMC::GenVertex::particles_in_const_iterator in  = vertex->particles_in_const_begin();
  HepMC::GenVertex::particles_in_const_iterator end = vertex->particles_in_const_end();
  while ( in!=end ) {
    const HepMC::GenParticle* parent = fromParent( pdg_id, *in, printout );
    TruthParticle t(*in);
    // if ( printout ) std::cout << "\tvalue for particle " << *in << "  " << t.pdgId() << "\tparent " << parent << std::endl;
    if ( parent && std::abs(parent->pdg_id())==pdg_id) { 
      //if ( printout ) std::cout << "found tau! - in parents" << std::endl; 
      return parent;
    }   
    in++;
  }
#endif
  
  return 0;
}
  
 
 
template<class T>
void remove_duplicates(std::vector<T>& vec) {
  std::sort(vec.begin(), vec.end());
  vec.erase(std::unique(vec.begin(), vec.end()), vec.end());
}
 
 
 
size_t AnalysisConfig_Ntuple::get_jets( Trig::FeatureContainer::combination_const_iterator citr, 
                      std::vector<TrackTrigObject>& objects, const std::string& key ) {
 
  objects.clear();
 
  const std::vector< Trig::Feature<xAOD::JetContainer> >  jetfeatures = citr->get<xAOD::JetContainer>( key, TrigDefs::alsoDeactivateTEs );
  
  if ( jetfeatures.empty() ) return 0; 
 
  for ( size_t ifeature=0 ; ifeature<jetfeatures.size() ; ifeature++ ) { 
    Trig::Feature<xAOD::JetContainer> jetfeature = jetfeatures.at(ifeature);
 
    if ( jetfeature.empty() ) continue;
 
    const xAOD::JetContainer* jets = jetfeature.cptr();
    
    if ( jets == 0 ) continue;
 
    xAOD::JetContainer::const_iterator jitr = jets->begin();
 
    for ( int j=0 ; jitr!=jets->end() ; ++jitr, j++ ) { 
      
      const xAOD::Jet* ajet = (*jitr);
 
      long unsigned jetid  = (unsigned long)ajet;
 
      TrackTrigObject jet = TrackTrigObject( ajet->eta(), ajet->phi(), ajet->pt(), 0, ajet->type(), jetid );
 
      objects.push_back( jet );
 
    } 
  }
  
  return objects.size();
 
}
 
 
 
 
void AnalysisConfig_Ntuple::loop() {
 
  m_provider->msg(MSG::INFO) << "" << "AnalysisConfig_Ntuple::loop() for " << m_analysisInstanceName 
                 << " compiled " << __DATE__ << " " << __TIME__ << "\t: " << date() << "" << endmsg;
 
  m_provider->msg(MSG::ERROR) << "" << "This should no longer be called" << m_analysisInstanceName << endmsg; 
 
}
 
 
 
 
 
void AnalysisConfig_Ntuple::book() { 
 
    m_provider->msg(MSG::INFO) << "AnalysisConfig_Ntuple::book() name " << name() << endmsg;   
 
    if ( !m_finalised ) { 
        m_provider->msg(MSG::INFO) << "AnalysisConfig_Ntuple::book() not booking " << name() << endmsg;   
        return;
    }
 
 
 
    // get the TriggerDecisionTool
 
    if( m_tdt->retrieve().isFailure() ) {
        m_provider->msg(MSG::FATAL) << " Unable to retrieve the TrigDecisionTool: Please check job options file" << endmsg;
        //    return StatusCode::FAILURE;
        return;
    }
 
    m_provider->msg(MSG::INFO) << "" << " Successfully retrived the TrigDecisionTool" << "" << endmsg;
    m_provider->msg(MSG::INFO) << "" << " booking ntuple" << "" << endmsg;
    m_provider->msg(MSG::INFO) << "" << " trying to create new ntple file" << "" << endmsg;
 
    TDirectory* dir = gDirectory;
 
    static std::atomic<bool> first_open = true;
 
    std::string outputFileName = m_outputFileName;
 
    if ( genericFlag() ) { 
        static std::atomic<int> file_index = 0;
        std::string::size_type pos = outputFileName.find(".root");
        if ( pos != std::string::npos ) outputFileName.erase(pos, outputFileName.size());
        char file_label[64];
        sprintf( file_label, "-%04d.root", file_index++ );
        outputFileName += file_label;
    } 
 
    m_provider->msg(MSG::INFO) << "book() Writing to file " << outputFileName << endmsg;
 
    if ( first_open || genericFlag() ) {
        m_File = new TFile( outputFileName.c_str(), "recreate");
 
        TTree*  dataTree = new TTree("dataTree", "dataTree");
        TString releaseData(m_releaseData.c_str());
        dataTree->Branch( "ReleaseMetaData", "TString", &releaseData);
        dataTree->Fill();
        dataTree->Write("", TObject::kOverwrite);
        delete dataTree;
 
 
        m_Tree = new TTree("tree", "tree");
        m_Tree->Branch( "TIDA::Event", "TIDA::Event", m_event, 6400, 1 );
 
        
    }
    else { 
        m_File = new TFile( outputFileName.c_str(), "update");
        m_Tree = (TTree *)m_File->Get("tree");
        m_Tree->SetBranchAddress( "TIDA::Event", &m_event );
    }
 
    m_Dir = gDirectory;
 
    first_open = false;
 
 
    m_provider->msg(MSG::DEBUG) << "change directory " << name() << "  " << dir->GetName() << endmsg;
 
    //  std::cout << "change directory " << name() << "  " << dir->GetName() << std::endl;
    dir->cd();
 
    //  gDirectory->pwd();
 
    m_finalised = false; // flag we have an open file that is not yet finalised
 
    m_provider->msg(MSG::INFO) << "AnalysisConfig_Ntuple::book() exiting" << endmsg;
 
}
 
 
 
 
void AnalysisConfig_Ntuple::finalize() { 
 
    //  gDirectory->pwd();
 
 
    if ( m_finalised ) { 
        m_provider->msg(MSG::INFO) << "AnalysisConfig_Ntuple::finalise() flagged, not finalising  " << m_provider->name() << "\t" << m_Tree->GetEntries() << " entries" << endmsg;
        return;
    }
 
    m_provider->msg(MSG::INFO) << "AnalysisConfig_Ntuple::finalise() writing " << m_provider->name() << "\t" << m_Tree->GetEntries() << " entries" << endmsg;
 
    TDirectory* directory = gDirectory; 
 
    //  std::cout << "change directory " << name() << "  " << m_Dir->GetName() << std::endl;
 
    m_provider->msg(MSG::DEBUG) << "change directory " << name() << "  " << m_Dir->GetName() << endmsg;
 
 
    m_Dir->cd();
 
    //  gDirectory->pwd();
 
    if ( m_Tree ) m_Tree->Write("", TObject::kOverwrite);
 
    //  m_File->Write();
    if ( m_File ) m_File->Close();
 
 
    m_finalised = true; 
 
    // m_Tree "belongs" to the m_File so was (possibly) deleted on the m_File->Close();
    // so don't delete it ! 
    // delete m_Tree;
    delete m_File;
 
    m_Tree = 0;
    m_File = 0;
 
    //  f.Write();
    //  f.Close();
 
    //  std::cout << "change directory " << name() << "  " << directory->GetName() << std::endl;
 
    directory->cd();
 
    //  gDirectory->pwd();
 
}