/data/refman/pasoursint/CMSSW_4_1_8_patch12/src/DQMOffline/Trigger/src/DQMOfflineMuonTrigAnalyzer.cc

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// -*- C++ -*-
//
// Package:     OfflineDQMMuonTrigAnalyzer
// Class:       OfflineDQMMuonTrigAnalyzer
// 
//
// Jason Slaunwhite, based on code from Jeff Klukas
// $Id: DQMOfflineMuonTrigAnalyzer.cc,v 1.16 2010/07/21 04:23:22 wmtan Exp $
//
//

// system include files
#include <memory>

// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"



#include "FWCore/Framework/interface/Run.h"
#include "FWCore/Framework/interface/EventSetup.h"


#include "DQMOffline/Trigger/interface/HLTMuonMatchAndPlot.h"
#include "DQMOffline/Trigger/interface/HLTMuonOverlap.h"

#include "HLTrigger/HLTcore/interface/HLTConfigProvider.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
//#include "CommonTools/Utilities/interface/StringCutObjectSelector.h"
#include "CommonTools/Utils/interface/StringCutObjectSelector.h"

#include "TFile.h"
#include "TDirectory.h"
#include "TPRegexp.h"


using namespace std;
using namespace edm;
using reco::Muon;


class OfflineDQMMuonTrigAnalyzer : public edm::EDAnalyzer {

public:
  explicit OfflineDQMMuonTrigAnalyzer(const edm::ParameterSet&);
  ~OfflineDQMMuonTrigAnalyzer();

private:
  virtual void beginJob() ;

  virtual void beginRun(edm::Run const& currentRun, edm::EventSetup const& currentEventSetup);
  virtual void analyze(const edm::Event&, const edm::EventSetup&);
  virtual void endRun (const edm::Run& r, const edm::EventSetup& c);
  virtual void endJob() ;

  int theNumberOfTriggers;
  std::vector<HLTMuonMatchAndPlot*> theTriggerAnalyzers;
  //HLTMuonOverlap *theOverlapAnalyzer;

  bool weHaveProcessedTheFirstRun;
  bool useDQMStore;

  vector<string> triggerNames;
  string theHltProcessName;
  vector<edm::ParameterSet> customCollection;

  const ParameterSet& initialPset;
  
  vector<TPRegexp> trigRegExps;


};



OfflineDQMMuonTrigAnalyzer::OfflineDQMMuonTrigAnalyzer(const ParameterSet& pset):
  initialPset(pset)
{

  LogTrace ("HLTMuonVal") << "\n\n Inside MuonTriggerRate Constructor\n\n";
  
  triggerNames = initialPset.getParameter< vector<string> >
                                ("TriggerRegExpStrings");

  
  
  for (vector<string>::const_iterator iTrigName = triggerNames.begin();
       iTrigName != triggerNames.end();
       iTrigName ++) {

    trigRegExps.push_back( TPRegexp((*iTrigName).c_str()) );
    
    LogTrace ("HLTMuonVal") << "Trigger Reg Exp = " << trigRegExps.back().GetPattern() << endl;
  }

  useDQMStore = initialPset.getUntrackedParameter<bool>("DQMStore", false);
       
  
  theHltProcessName = initialPset.getParameter<string>("HltProcessName");

  //string defRecoLabel = initialPset.getUntrackedParameter<string>("RecoLabel","");
  //string highPtTracksLabel =  initialPset.getParameter <string> ("highPtTrackCollection");

  //vector<string> recoCollectionNames = initialPset.getParameter < vector<string> > ("allCollectionNames");

  
  // make analyzers for each collection. Push the collections into a vector
  //vector <string> recoCollectionNames;
  //if (defRecoLabel != "") recoCollectionNames.push_back(defRecoLabel);
  //if (highPtTracksLabel != "") recoCollectionNames.push_back(highPtTracksLabel);

  customCollection = initialPset.getParameter<vector<edm::ParameterSet> > ("customCollection");

  weHaveProcessedTheFirstRun = false;

  
}

void OfflineDQMMuonTrigAnalyzer::beginRun(edm::Run const& currentRun, edm::EventSetup const& currentEventSetup) {


  if (!weHaveProcessedTheFirstRun) {
    weHaveProcessedTheFirstRun= true;
    vector<edm::ParameterSet>::iterator iPSet;

    LogTrace ("HLTMuonVal") << "customCollection is a vector of size = " << customCollection.size() << std::endl
                            << "looping over entries" << std::endl;

    
    DQMStore * dbe_ = 0;
    if ( useDQMStore ) {
      dbe_ = Service<DQMStore>().operator->();
      dbe_->setVerbose(0);    
    }


    vector < MuonSelectionStruct > customSelectors;
    vector < string > customNames;
    // Print out information about each initialPset
    for ( iPSet = customCollection.begin();
          iPSet != customCollection.end();
          iPSet++) {
      string customCuts  = iPSet->getUntrackedParameter<string> ("recoCuts");
      string customName = iPSet->getUntrackedParameter<string> ("collectionName");
      string hltCuts   = iPSet->getUntrackedParameter<string> ("hltCuts");
      string targetTrackCollection = iPSet->getUntrackedParameter<string> ("trackCollection");
      double  customD0Cut = iPSet->getUntrackedParameter<double> ("d0cut");
      double customZ0Cut = iPSet->getUntrackedParameter<double> ("z0cut");

      vector<string> requiredTriggers = iPSet->getUntrackedParameter< vector<string> > ("requiredTriggers");
    
      LogTrace("HLTMuonVal") << "customTargetCollection = " << customName  << std::endl
                             << "customCuts = " << customCuts << std::endl
                             << "targetTrackCollection = " << targetTrackCollection << std::endl
                             << "d0 cut = " << customD0Cut << std::endl
                             << "z0 cut = " << customZ0Cut << std:: endl ;

      if (dbe_) {

        string description = customName + ", reco cuts = " + customCuts
          + ", hlt cuts = " + hltCuts + ", trackCollection = " + targetTrackCollection
          + ", required triggers, ";

        // add the required triggers
        for (vector <string>::const_iterator trigit = requiredTriggers.begin();
             trigit != requiredTriggers.end();
             trigit++){
          description  += (*trigit) + ", ";
        }

        // Add the other cuts
        ostringstream ossd0, ossz0, osschi2, osshits;

      
        ossd0 << customD0Cut;
        ossz0 << customZ0Cut;
        //osschi2 << customChi2Cut;
        //osshits << customNHitsCut;

        description += "|d0| < "  + ossd0.str() + ", |z0| < " + ossz0.str();
        

        LogTrace ("HLTMuonVal") << "Storing description = " << description << endl;

        dbe_->setCurrentFolder("HLT/Muon/Distributions/");

        dbe_->bookString (customName, description);            

      }


      StringCutObjectSelector<Muon> tempRecoSelector(customCuts);
      StringCutObjectSelector<trigger::TriggerObject> tempHltSelector(hltCuts);
    
      // create a custom selector
      MuonSelectionStruct tempStruct(tempRecoSelector, tempHltSelector,
                                     customName, customD0Cut, customZ0Cut,
                                     targetTrackCollection, requiredTriggers);

    
      customNames.push_back ( customName);
      customSelectors.push_back(tempStruct);
    }

  
  
    LogTrace ("HLTMuonVal") << "Initializing HLTConfigProvider with HLT process name: " << theHltProcessName << endl;


    // Be careful. If hltConfig provider doesn't initialize sucessfully,
    // then you can get in trouble.

    HLTConfigProvider hltConfig;
    
    bool hltConfigChanged;
    bool hltConfigInitSuccess = hltConfig.init(currentRun, currentEventSetup, theHltProcessName, hltConfigChanged);

    
    vector<string> validTriggerNames;

    if (hltConfigInitSuccess)
      validTriggerNames = hltConfig.triggerNames();

    if (validTriggerNames.size() < 1) {
      LogInfo ("HLTMuonVal") << endl << endl << endl
                             << "---> WARNING: The HLT Config Provider gave you an empty list of valid trigger names" << endl
                             << "Could be a problem with the HLT Process Name (you provided  " << theHltProcessName <<")" << endl
                             << "W/o valid triggers we can't produce plots, exiting..."
                             << endl << endl << endl;
    
      // don't return... you'll automatically skip the rest
      //return;
    }

    vector<string>::const_iterator iDumpName;
    unsigned int numTriggers = 0;
  
    vector<string> parsedMuonTrigNames;

    // declare a bunch of trigger name patterns that you'd like to match
    // and do the matching
    // the end of line anchor removes matches to
    // multi-object triggers
    TPRegexp l1l2MuTrigExp   ("HLT_L[12]Mu[^_]*$");
    TPRegexp isoMuTrigExp    ("HLT_[iI]soMu[^_]*$");
    TPRegexp normalMuExp     ("HLT_Mu[^_]*$");
    TPRegexp l1l2DoubleExp   ("HLT_L[12]DoubleMu[^_]*$");
    TPRegexp normalDoubleExp ("HLT_DoubleMu[^_]*$");


  
  
    for (iDumpName = validTriggerNames.begin();
         iDumpName != validTriggerNames.end();
         iDumpName++) {

      LogTrace ("HLTMuonVal") << "Trigger " << numTriggers
                              << " is called " << (*iDumpName)
                              << endl;
      numTriggers++;

      TString tempTStringModName(*iDumpName);

      bool matchesAnyRegexp = false;
      for (vector<TPRegexp>::const_iterator iTrigRegExp = trigRegExps.begin();
           iTrigRegExp != trigRegExps.end();
           iTrigRegExp ++) {
        TPRegexp tempRegExp((*iTrigRegExp));
        if (tempTStringModName.Contains(tempRegExp))
          matchesAnyRegexp = true;
      }

      if (matchesAnyRegexp) {

        LogTrace ("HLTMuonVal") << "------> This is a muon trigger"
                                << endl;

        parsedMuonTrigNames.push_back(*iDumpName);

      }
    
    }

    // loop over each combination of selection + trigger
    // make a match and plot analyzer for each combination

    vector<MuonSelectionStruct>::iterator iMuonSelector;
    vector<string>::iterator iName = customNames.begin();

    LogTrace ("HLTMuonVal") << "Looping over custom selectors" << endl;
    unsigned numSelectors = 0;
    for ( iMuonSelector = customSelectors.begin();
          iMuonSelector != customSelectors.end();
          iMuonSelector++) {

      LogTrace ("HLTMuonVal") << "Num selectors  =  " << numSelectors << endl;
    
      for( size_t i = 0; i < parsedMuonTrigNames.size(); i++) {
      
        LogTrace ("HLTMuonVal") << "PARSED: Making match and plot for trigger " << parsedMuonTrigNames[i] << endl;
      
        vector<string> moduleNames = hltConfig.moduleLabels( parsedMuonTrigNames[i] );
        HLTMuonMatchAndPlot *analyzer;
        analyzer = new HLTMuonMatchAndPlot( initialPset, parsedMuonTrigNames[i], moduleNames, (*iMuonSelector), (*iName), validTriggerNames, currentRun, currentEventSetup );
        theTriggerAnalyzers.push_back( analyzer );
      
      }
      numSelectors++;
      iName++;
    }
    //theOverlapAnalyzer = new HLTMuonOverlap( initialPset );    
    theNumberOfTriggers = theTriggerAnalyzers.size();

    LogTrace ("HLTMuonVal") << "You have created " << theNumberOfTriggers
                            << " trigger analyzers" << endl;



    
  vector<HLTMuonMatchAndPlot *>::iterator thisAnalyzer;
  int nTotalAnalyzers = 0;
  for ( thisAnalyzer  = theTriggerAnalyzers.begin(); 
        thisAnalyzer != theTriggerAnalyzers.end(); 
        ++thisAnalyzer )
    {

      LogTrace ("HLTMuonVal")
        << "Calling begin for analyzer " << nTotalAnalyzers;
       
      (*thisAnalyzer)->begin();

      
      nTotalAnalyzers++;
    }

  LogTrace ("HLTMuonVal")
    << "OfflineDQMMuonTrigAnalyzer: Calling being for overlap analyzer" << endl;

    
  }// end if this is the first run
}

OfflineDQMMuonTrigAnalyzer::~OfflineDQMMuonTrigAnalyzer()
{

  LogTrace ("HLTMuonVal")
    << "Inside OfflineDQMMuonTrigAnalyzer destructor" << endl;
  
  vector<HLTMuonMatchAndPlot *>::iterator thisAnalyzer;
  for ( thisAnalyzer  = theTriggerAnalyzers.begin(); 
        thisAnalyzer != theTriggerAnalyzers.end(); 
        ++thisAnalyzer )
  {
    delete *thisAnalyzer;
  } 
  theTriggerAnalyzers.clear();
  //delete theOverlapAnalyzer;
}


//
// member functions
//

void
OfflineDQMMuonTrigAnalyzer::analyze(const Event& iEvent, const EventSetup& iSetup)
{
  LogTrace ("HLTMuonVal")
    << "Inside OfflineDQMMuonTrigAnalyzer analyze" << endl;
  
  vector<HLTMuonMatchAndPlot *>::iterator thisAnalyzer;
  for ( thisAnalyzer  = theTriggerAnalyzers.begin(); 
        thisAnalyzer != theTriggerAnalyzers.end(); ++thisAnalyzer )
    {
      (*thisAnalyzer)->analyze(iEvent);
    } 
  //theOverlapAnalyzer ->analyze(iEvent);
}



void 
OfflineDQMMuonTrigAnalyzer::beginJob()
{

  LogTrace ("HLTMuonVal")
    << "Inside OfflineDQMMuonTrigAnalyzer beginJob" << endl;

  LogTrace ("HLTMuonVal")
    << "Looking at a vector of analyzers, with size " << theTriggerAnalyzers.size() << endl;


  
  //theOverlapAnalyzer ->begin();
}

void 
OfflineDQMMuonTrigAnalyzer::endRun ( const edm::Run& theRun, const edm::EventSetup& theEventSetup) {

  LogTrace ("HLTMuonVal")
    << "Inside OfflineDQMMuonTrigAnalyzer endRun()" << endl;
  
  
  vector<HLTMuonMatchAndPlot *>::iterator thisAnalyzer;
  for ( thisAnalyzer  = theTriggerAnalyzers.begin(); 
        thisAnalyzer != theTriggerAnalyzers.end(); 
        ++thisAnalyzer )
    {
      (*thisAnalyzer)->endRun(theRun, theEventSetup);
    }

}



void 
OfflineDQMMuonTrigAnalyzer::endJob() {

  LogTrace ("HLTMuonVal")
    << "Inside OfflineDQMMuonTrigAnalyzer endJob()" << endl;
  
  
  vector<HLTMuonMatchAndPlot *>::iterator thisAnalyzer;
  for ( thisAnalyzer  = theTriggerAnalyzers.begin(); 
        thisAnalyzer != theTriggerAnalyzers.end(); 
        ++thisAnalyzer )
    {
      (*thisAnalyzer)->finish();
    }
  //theOverlapAnalyzer ->finish();
}

//define this as a plug-in
DEFINE_FWK_MODULE(OfflineDQMMuonTrigAnalyzer);