/data/refman/pasoursint/CMSSW_6_1_2_SLHC4_patch1/src/HLTriggerOffline/Tau/interface/HLTTauMCProducer.h

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/*HLTTauMCProducer
Producer that creates LorentzVector Collections
from offline reconstructed quantities to be used
in Offline Trigger DQM etc
*/

#ifndef HLTTauMCProducer_h
#define HLTTauMCProducer_h

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
#include "DataFormats/HepMCCandidate/interface/GenParticleFwd.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/Math/interface/LorentzVector.h"
#include "HepMC/GenEvent.h"
#include <vector>
#include <string>
#include "TLorentzVector.h"

typedef math::XYZTLorentzVectorD LorentzVector;
typedef std::vector<LorentzVector> LorentzVectorCollection;

class HLTTauMCProducer : public edm::EDProducer {
  
public:
  explicit HLTTauMCProducer(const edm::ParameterSet&);
  ~HLTTauMCProducer();

  virtual void produce(edm::Event&, const edm::EventSetup&);
  
 private:

  std::vector<reco::GenParticle*> getGenStableDecayProducts(const reco::GenParticle * particle);

  enum tauDecayModes {kElectron, kMuon, 
                      kOneProng0pi0, kOneProng1pi0, kOneProng2pi0,
                      kThreeProng0pi0, kThreeProng1pi0,
                      kOther, kUndefined};

  edm::InputTag MC_;
  double ptMinMCTau_;
  double ptMinMCElectron_;
  double ptMinMCMuon_;
  std::vector<int> m_PDG_;
  double etaMax;

};

#endif