BasicGenParticleValidation.h

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#ifndef BASICGENPARICLEVALIDATION_H
#define BASICGENPARICLEVALIDATION_H

/*class BasicGenParticleValidation
 *  
 *  Class to fill Event Generator dqm monitor elements; works on HepMCProduct
 *
 *
 */

// framework & common header files
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/Run.h"

#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"

//DQM services
#include "DQMServices/Core/interface/DQMStore.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "DQMServices/Core/interface/MonitorElement.h"
#include "DQMServices/Core/interface/DQMEDAnalyzer.h"

#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
#include "DataFormats/JetReco/interface/GenJetCollection.h"

#include "SimGeneral/HepPDTRecord/interface/ParticleDataTable.h"

#include "Validation/EventGenerator/interface/WeightManager.h"

class BasicGenParticleValidation : public DQMEDAnalyzer{
    public:
    explicit BasicGenParticleValidation(const edm::ParameterSet&);
    ~BasicGenParticleValidation() override;

    void analyze(const edm::Event&, const edm::EventSetup&) override;
    void bookHistograms(DQMStore::IBooker &i, edm::Run const &, edm::EventSetup const &) override;

    bool matchParticles(const HepMC::GenParticle*&, const reco::GenParticle*&); 

    private:
    WeightManager wmanager_;
    edm::InputTag hepmcCollection_;
    edm::InputTag genparticleCollection_;
    edm::InputTag genjetCollection_;
    double matchPr_;    

    unsigned int verbosity_;


    MonitorElement *nEvt;

    // Basic reco::GenParticle test
  
    MonitorElement *genPMultiplicity;
    MonitorElement *genMatched;
    MonitorElement *multipleMatching;
    MonitorElement *matchedResolution;

    // Basci GenJets analysis

    MonitorElement *genJetMult;
    MonitorElement *genJetEnergy;
    MonitorElement *genJetPt;
    MonitorElement *genJetEta;
    MonitorElement *genJetPhi;
    MonitorElement *genJetDeltaEtaMin;

    MonitorElement *genJetPto1;
    MonitorElement *genJetPto10;
    MonitorElement *genJetPto100;
    MonitorElement *genJetCentral;

    MonitorElement *genJetTotPt;

    edm::EDGetTokenT<edm::HepMCProduct> hepmcCollectionToken_;
    edm::EDGetTokenT<reco::GenParticleCollection> genparticleCollectionToken_;
    edm::EDGetTokenT<reco::GenJetCollection> genjetCollectionToken_;

};

#endif