int main(int argc, char *argv[])
{
  // Declaration of variables
  ExRootConfReader *confReader = 0;
  Delphes *modularDelphes = 0;
  DelphesFactory *factory = 0;
  TObjArray *allParticleOutputArray = 0;
  TObjArray *stableParticleOutputArray = 0;
  TObjArray *partonOutputArray = 0;

  Int_t event;

  TObjArray *inputArray = 0;
  TIterator *inputIterator = 0;
  Candidate *candidate = 0;
  TLorentzVector momentum;

  JetDefinition *definition = 0;
  vector<PseudoJet> inputList, outputList;
  PseudoJet jet;

  gROOT->SetBatch();

  int appargc = 1;
  char appName[] = "ExternalFastJetBasic";
  char *appargv[] = {appName};
  TApplication app(appName, &appargc, appargv);

  if(argc != 2)
  {
    cout << " Usage: " << appName << " config_file" << endl;
    cout << " config_file - configuration file in Tcl format." << endl;
    return 1;
  }

  try
  {
    // Initialization
    confReader = new ExRootConfReader;
    confReader->ReadFile(argv[1]);

    modularDelphes = new Delphes("Delphes");
    modularDelphes->SetConfReader(confReader);

    factory = modularDelphes->GetFactory();

    allParticleOutputArray = modularDelphes->ExportArray("allParticles");
    stableParticleOutputArray = modularDelphes->ExportArray("stableParticles");
    partonOutputArray = modularDelphes->ExportArray("partons");

    modularDelphes->InitTask();

    
    // fastjet definition
    ClusterSequence::print_banner();
    definition = new JetDefinition(antikt_algorithm, 0.5);
    
    // Define your input candidates to fastjet (by default particle-flow objects).
    // If you want pure calorimeter towers change "EFlowMerger/eflow" into "Calorimeter/towers":
     
    inputArray = modularDelphes->ImportArray("EFlowMerger/eflow");
      
    inputIterator = inputArray->MakeIterator();

    // Event loop
    for(event = 0; event < NEVENTS; ++event)
    {
      modularDelphes->Clear();
      
      // convert EVENT input array into Delphes internal format
      ConvertInput(event, factory, allParticleOutputArray, stableParticleOutputArray, partonOutputArray);
      
      // run Delphes reconstruction
      modularDelphes->ProcessTask();

      inputList.clear();
      inputIterator->Reset();
      
      
      // pass delphes candidates to fastjet clustering  
      while((candidate = static_cast<Candidate*>(inputIterator->Next())))
      {
        momentum = candidate->Momentum;
        jet = PseudoJet(momentum.Px(), momentum.Py(), momentum.Pz(), momentum.E());
        inputList.push_back(jet);
      }
     
      // run clustering 
      ClusterSequence sequence(inputList, *definition);
      outputList.clear();
      outputList = sorted_by_pt(sequence.inclusive_jets(0.0));

      // tell the user what was done
      //  - the description of the algorithm used
      //  - show the inclusive jets as
      //      {index, rapidity, phi, pt}
      //----------------------------------------------------------
      cout << "Ran " << definition->description() << endl;

      // label the columns
      printf("%5s %15s %15s %15s\n","jet #", "rapidity", "phi", "pt");

      // print out the details for each jet
      for (unsigned int i = 0; i < outputList.size(); i++) {
        printf("%5u %15.8f %15.8f %15.8f\n",
               i, outputList[i].rap(), outputList[i].phi(),
               outputList[i].perp());
      }
    }

    // Finalization
    modularDelphes->FinishTask();
    delete modularDelphes;
    delete confReader;
    return 0;
  }
  catch(runtime_error &e)
  {
    cerr << "** ERROR: " << e.what() << endl;
    return 1;
  }
}
Beispiel #2
0
StatusCode DelphesSaveGenJets::saveOutput(Delphes& delphes, const fcc::MCParticleCollection& mcParticles) {
  // Create the collections
  auto colGenJets = m_genJets.createAndPut();
  auto colTaggedJets = m_taggedGenJets.createAndPut();

  const TObjArray* delphesColl = delphes.ImportArray(m_delphesArrayName.c_str());
  if (delphesColl == nullptr) {
    warning() << "Delphes collection " << m_delphesArrayName << " not present. Skipping it." << endmsg;
    return StatusCode::SUCCESS;
  }

  for(int j = 0; j < delphesColl->GetEntries(); ++j) {

    auto cand = static_cast<Candidate *>(delphesColl->At(j));

    // Jet info
    auto jet         = colGenJets->create();
    auto bareJet     = fcc::BareJet();
    bareJet.area     = -1;
    bareJet.p4.px    = cand->Momentum.Px();
    bareJet.p4.py    = cand->Momentum.Py();
    bareJet.p4.pz    = cand->Momentum.Pz();
    bareJet.p4.mass  = cand->Mass;
    jet.core(bareJet);

    // Flavor-tag info
    auto flavorGenJet = colTaggedJets->create();
    flavorGenJet.tag(cand->Flavor);
    flavorGenJet.jet(jet);

    // Debug: print FCC-EDM jets info
    if (msgLevel() <= MSG::DEBUG) {

      double energy = sqrt(jet.p4().px*jet.p4().px +
                           jet.p4().py*jet.p4().py +
                           jet.p4().pz*jet.p4().pz +
                           jet.p4().mass*jet.p4().mass);

      debug() << "Gen Jet: "
              << " Id: "       << std::setw(3)  << j+1
              << " Flavor: "   << std::setw(3)  << flavorGenJet.tag()
              << std::scientific
              << " Px: "       << std::setprecision(2) << std::setw(9) << jet.p4().px
              << " Py: "       << std::setprecision(2) << std::setw(9) << jet.p4().py
              << " Pz: "       << std::setprecision(2) << std::setw(9) << jet.p4().pz
              << " E: "        << std::setprecision(2) << std::setw(9) << energy
              << " M: "        << std::setprecision(2) << std::setw(9) << jet.p4().mass
              << std::fixed
              << std::endl;
    }

    // Reference to MC - Delphes holds references to all objects related to the Jet object,
    // several relations might exist -> find "recursively" in a tree history the MC particle.
    // Add index to the reference index field to avoid double counting
    std::set<int> idRefMCPart; // Avoid double counting when referencingh MC particles

    // Recursive procedure stops after the relation found is the one to MC particle and not to
    // a particle object. If particle not related to MC particle (<0 value)
    findJetPartMC(cand, mcParticles.size(), idRefMCPart);

    // Debug: print variable
    double totSimE = 0;

    for (auto id : idRefMCPart) {
      auto& mcParticle = mcParticles.at(id);
      jet.addparticles(mcParticles.at(id));

      // Debug: print FCC-EDM jet relation info
      if (msgLevel() <= MSG::DEBUG) {
        double recE   = sqrt(jet.p4().px*jet.p4().px +
                             jet.p4().py*jet.p4().py +
                             jet.p4().pz*jet.p4().pz +
                             jet.p4().mass*jet.p4().mass);
        double simE   = sqrt(mcParticle.p4().px*mcParticle.p4().px +
                             mcParticle.p4().py*mcParticle.p4().py +
                             mcParticle.p4().pz*mcParticle.p4().pz +
                             mcParticle.p4().mass*mcParticle.p4().mass);
        totSimE += simE;
        debug() << " RefId: " << std::setw(3)            << id+1
                << " Rel E: " << std::setprecision(2)
                              << std::scientific
                              << std::setw(9) << simE    << " "
                              << std::setw(9) << totSimE << " <-> "
                              << std::setw(9) << recE
                              << std::fixed
                              << std::endl;
      } // Debug
    }

    // Debug: print end-line
    if (msgLevel() <= MSG::DEBUG) debug() << endmsg;
  } // For - jets
  return StatusCode::SUCCESS;
}
Beispiel #3
0
int main(int argc, char *argv[])
{
  char appName[] = "DelphesCMSFWLite";
  stringstream message;
  TFile *inputFile = 0;
  TFile *outputFile = 0;
  TStopwatch eventStopWatch;
  ExRootTreeWriter *treeWriter = 0;
  ExRootTreeBranch *branchEvent = 0, *branchRwgt = 0;
  ExRootConfReader *confReader = 0;
  Delphes *modularDelphes = 0;
  DelphesFactory *factory = 0;
  TObjArray *allParticleOutputArray = 0, *stableParticleOutputArray = 0, *partonOutputArray = 0;
  Int_t i;
  Long64_t eventCounter, numberOfEvents;

  if(argc < 4)
  {
    cout << " Usage: " << appName << " config_file" << " output_file" << " input_file(s)" << endl;
    cout << " config_file - configuration file in Tcl format," << endl;
    cout << " output_file - output file in ROOT format," << endl;
    cout << " input_file(s) - input file(s) in ROOT format." << endl;
    return 1;
  }

  signal(SIGINT, SignalHandler);

  gROOT->SetBatch();

  int appargc = 1;
  char *appargv[] = {appName};
  TApplication app(appName, &appargc, appargv);

  FWLiteEnabler::enable();
  
  try
  {
    outputFile = TFile::Open(argv[2], "CREATE");

    if(outputFile == NULL)
    {
      message << "can't open " << argv[2] << endl;
      throw runtime_error(message.str());
    }

    treeWriter = new ExRootTreeWriter(outputFile, "Delphes");

    branchEvent = treeWriter->NewBranch("Event", HepMCEvent::Class());
    branchRwgt = treeWriter->NewBranch("Rwgt", Weight::Class());

    confReader = new ExRootConfReader;
    confReader->ReadFile(argv[1]);

    modularDelphes = new Delphes("Delphes");
    modularDelphes->SetConfReader(confReader);
    modularDelphes->SetTreeWriter(treeWriter);

    factory = modularDelphes->GetFactory();
    allParticleOutputArray = modularDelphes->ExportArray("allParticles");
    stableParticleOutputArray = modularDelphes->ExportArray("stableParticles");
    partonOutputArray = modularDelphes->ExportArray("partons");

    modularDelphes->InitTask();

    for(i = 3; i < argc && !interrupted; ++i)
    {
      cout << "** Reading " << argv[i] << endl;

      inputFile = TFile::Open(argv[i]);

      if(inputFile == NULL)
      {
        message << "can't open " << argv[i] << endl;
        throw runtime_error(message.str());
      }

      fwlite::Event event(inputFile);

      numberOfEvents = event.size();

      if(numberOfEvents <= 0) continue;

      // ExRootProgressBar progressBar(numberOfEvents - 1);
      ExRootProgressBar progressBar(-1);

      // Loop over all objects
      eventCounter = 0;
      modularDelphes->Clear();
      treeWriter->Clear();
      for(event.toBegin(); !event.atEnd() && !interrupted; ++event)
      {
        ConvertInput(event, eventCounter, branchEvent, branchRwgt, factory,
          allParticleOutputArray, stableParticleOutputArray, partonOutputArray);
        modularDelphes->ProcessTask();

        treeWriter->Fill();

        modularDelphes->Clear();
        treeWriter->Clear();

        progressBar.Update(eventCounter, eventCounter);
        ++eventCounter;
      }

      progressBar.Update(eventCounter, eventCounter, kTRUE);
      progressBar.Finish();

      inputFile->Close();
    }

    modularDelphes->FinishTask();
    treeWriter->Write();

    cout << "** Exiting..." << endl;

    delete modularDelphes;
    delete confReader;
    delete treeWriter;
    delete outputFile;

    return 0;
  }
  catch(runtime_error &e)
  {
    if(treeWriter) delete treeWriter;
    if(outputFile) delete outputFile;
    cerr << "** ERROR: " << e.what() << endl;
    return 1;
  }
}
Beispiel #4
0
int main(int argc, char *argv[])
{
  char appName[] = "DelphesPythia8";
  stringstream message;
  TFile *outputFile = 0;
  TStopwatch readStopWatch, procStopWatch;
  ExRootTreeWriter *treeWriter = 0;
  ExRootTreeBranch *branchEvent = 0;
  ExRootConfReader *confReader = 0;
  Delphes *modularDelphes = 0;
  DelphesFactory *factory = 0;
  TObjArray *stableParticleOutputArray = 0, *allParticleOutputArray = 0, *partonOutputArray = 0;
  Long64_t eventCounter, errorCounter;
  Long64_t numberOfEvents, timesAllowErrors;

  Pythia8::Pythia *pythia = 0;

  if(argc != 4)
  {
    cout << " Usage: " << appName << " config_file" << " pythia_card" << " output_file" << endl;
    cout << " config_file - configuration file in Tcl format," << endl;
    cout << " pythia_card - Pythia8 configuration file," << endl;
    cout << " output_file - output file in ROOT format." << endl;
    return 1;
  }

  signal(SIGINT, SignalHandler);

  gROOT->SetBatch();

  int appargc = 1;
  char *appargv[] = {appName};
  TApplication app(appName, &appargc, appargv);

  try
  {
    outputFile = TFile::Open(argv[3], "CREATE");

    if(outputFile == NULL)
    {
      message << "can't create output file " << argv[3];
      throw runtime_error(message.str());
    }

    treeWriter = new ExRootTreeWriter(outputFile, "Delphes");

    branchEvent = treeWriter->NewBranch("Event", HepMCEvent::Class());

    confReader = new ExRootConfReader;
    confReader->ReadFile(argv[1]);

    modularDelphes = new Delphes("Delphes");
    modularDelphes->SetConfReader(confReader);
    modularDelphes->SetTreeWriter(treeWriter);

    factory = modularDelphes->GetFactory();
    allParticleOutputArray = modularDelphes->ExportArray("allParticles");
    stableParticleOutputArray = modularDelphes->ExportArray("stableParticles");
    partonOutputArray = modularDelphes->ExportArray("partons");

    modularDelphes->InitTask();

    // Initialize pythia
    pythia = new Pythia8::Pythia;

    if(pythia == NULL)
    {
      throw runtime_error("can't create Pythia instance");
    }

    // Read in commands from configuration file
    pythia->readFile(argv[2]);

    // Extract settings to be used in the main program
    numberOfEvents = pythia->mode("Main:numberOfEvents");
    timesAllowErrors = pythia->mode("Main:timesAllowErrors");

    pythia->init();

    // ExRootProgressBar progressBar(numberOfEvents - 1);
    ExRootProgressBar progressBar(-1);

    // Loop over all events
    errorCounter = 0;
    treeWriter->Clear();
    modularDelphes->Clear();
    readStopWatch.Start();
    for(eventCounter = 0; eventCounter < numberOfEvents && !interrupted; ++eventCounter)
    {
      if(!pythia->next())
      {
        // If failure because reached end of file then exit event loop
        if (pythia->info.atEndOfFile())
        {
          cerr << "Aborted since reached end of Les Houches Event File" << endl;
          break;
        }

        // First few failures write off as "acceptable" errors, then quit
        if (++errorCounter < timesAllowErrors) continue;
        cerr << "Event generation aborted prematurely, owing to error!" << endl;
        break;
      }

      readStopWatch.Stop();

      procStopWatch.Start();
      ConvertInput(eventCounter, pythia, branchEvent, factory,
        allParticleOutputArray, stableParticleOutputArray, partonOutputArray,
        &readStopWatch, &procStopWatch);
      modularDelphes->ProcessTask();
      procStopWatch.Stop();

      treeWriter->Fill();

      treeWriter->Clear();
      modularDelphes->Clear();

      readStopWatch.Start();
      progressBar.Update(eventCounter, eventCounter);
    }

    progressBar.Update(eventCounter, eventCounter, kTRUE);
    progressBar.Finish();

    pythia->statistics();

    modularDelphes->FinishTask();
    treeWriter->Write();

    cout << "** Exiting..." << endl;

    delete pythia;
    delete modularDelphes;
    delete confReader;
    delete treeWriter;
    delete outputFile;

    return 0;
  }
  catch(runtime_error &e)
  {
    if(treeWriter) delete treeWriter;
    if(outputFile) delete outputFile;
    cerr << "** ERROR: " << e.what() << endl;
    return 1;
  }
}
Beispiel #5
0
int main(int argc, char *argv[])
{
  char appName[] = "DelphesLHEF";
  stringstream message;
  FILE *inputFile = 0;
  TFile *outputFile = 0;
  TStopwatch readStopWatch, procStopWatch;
  ExRootTreeWriter *treeWriter = 0;
  ExRootTreeBranch *branchEvent = 0, *branchWeight = 0;
  ExRootConfReader *confReader = 0;
  Delphes *modularDelphes = 0;
  DelphesFactory *factory = 0;
  TObjArray *stableParticleOutputArray = 0, *allParticleOutputArray = 0, *partonOutputArray = 0;
  DelphesLHEFReader *reader = 0;
  Int_t i, maxEvents, skipEvents;
  Long64_t length, eventCounter;

  if(argc < 3)
  {
    cout << " Usage: " << appName << " config_file" << " output_file" << " [input_file(s)]" << endl;
    cout << " config_file - configuration file in Tcl format," << endl;
    cout << " output_file - output file in ROOT format," << endl;
    cout << " input_file(s) - input file(s) in LHEF format," << endl;
    cout << " with no input_file, or when input_file is -, read standard input." << endl;
    return 1;
  }

  signal(SIGINT, SignalHandler);

  gROOT->SetBatch();

  int appargc = 1;
  char *appargv[] = {appName};
  TApplication app(appName, &appargc, appargv);

  try
  {
    outputFile = TFile::Open(argv[2], "CREATE");

    if(outputFile == NULL)
    {
      message << "can't create output file " << argv[2];
      throw runtime_error(message.str());
    }

    treeWriter = new ExRootTreeWriter(outputFile, "Delphes");

    branchEvent = treeWriter->NewBranch("Event", LHEFEvent::Class());
    branchWeight = treeWriter->NewBranch("Weight", Weight::Class());

    confReader = new ExRootConfReader;
    confReader->ReadFile(argv[1]);

    maxEvents = confReader->GetInt("::MaxEvents", 0);
    skipEvents = confReader->GetInt("::SkipEvents", 0);

    if(maxEvents < 0)
    {
      throw runtime_error("MaxEvents must be zero or positive");
    }

    if(skipEvents < 0)
    {
      throw runtime_error("SkipEvents must be zero or positive");
    }

    modularDelphes = new Delphes("Delphes");
    modularDelphes->SetConfReader(confReader);
    modularDelphes->SetTreeWriter(treeWriter);

    factory = modularDelphes->GetFactory();
    allParticleOutputArray = modularDelphes->ExportArray("allParticles");
    stableParticleOutputArray = modularDelphes->ExportArray("stableParticles");
    partonOutputArray = modularDelphes->ExportArray("partons");

    reader = new DelphesLHEFReader;

    modularDelphes->InitTask();

    i = 3;
    do
    {
      if(interrupted) break;

      if(i == argc || strncmp(argv[i], "-", 2) == 0)
      {
        cout << "** Reading standard input" << endl;
        inputFile = stdin;
        length = -1;
      }
      else
      {
        cout << "** Reading " << argv[i] << endl;
        inputFile = fopen(argv[i], "r");

        if(inputFile == NULL)
        {
          message << "can't open " << argv[i];
          throw runtime_error(message.str());
        }

        fseek(inputFile, 0L, SEEK_END);
        length = ftello(inputFile);
        fseek(inputFile, 0L, SEEK_SET);

        if(length <= 0)
        {
          fclose(inputFile);
          ++i;
          continue;
        }
      }

      reader->SetInputFile(inputFile);

      ExRootProgressBar progressBar(length);

      // Loop over all objects
      eventCounter = 0;
      treeWriter->Clear();
      modularDelphes->Clear();
      reader->Clear();
      readStopWatch.Start();
      while((maxEvents <= 0 || eventCounter - skipEvents < maxEvents) &&
        reader->ReadBlock(factory, allParticleOutputArray,
        stableParticleOutputArray, partonOutputArray) && !interrupted)
      {
        if(reader->EventReady())
        {
          ++eventCounter;

          readStopWatch.Stop();

          if(eventCounter > skipEvents)
          {
            readStopWatch.Stop();
            procStopWatch.Start();
            modularDelphes->ProcessTask();
            procStopWatch.Stop();

            reader->AnalyzeEvent(branchEvent, eventCounter, &readStopWatch, &procStopWatch);
            reader->AnalyzeWeight(branchWeight);

            treeWriter->Fill();

            treeWriter->Clear();
          }

          modularDelphes->Clear();
          reader->Clear();

          readStopWatch.Start();
        }
        progressBar.Update(ftello(inputFile), eventCounter);
      }

      fseek(inputFile, 0L, SEEK_END);
      progressBar.Update(ftello(inputFile), eventCounter, kTRUE);
      progressBar.Finish();

      if(inputFile != stdin) fclose(inputFile);

      ++i;
    }
    while(i < argc);

    modularDelphes->FinishTask();
    treeWriter->Write();

    cout << "** Exiting..." << endl;

    delete reader;
    delete modularDelphes;
    delete confReader;
    delete treeWriter;
    delete outputFile;

    return 0;
  }
  catch(runtime_error &e)
  {
    if(treeWriter) delete treeWriter;
    if(outputFile) delete outputFile;
    cerr << "** ERROR: " << e.what() << endl;
    return 1;
  }
}