HLTMCtruth Class Reference

#include <HLTMCtruth.h>

Public Member Functions
void	analyze (const edm::Handle< reco::CandidateView > &mctruth, const double &pthat, const double &weight, const edm::Handle< std::vector< SimTrack > > &simTracks, const edm::Handle< std::vector< SimVertex > > &simVertices, const edm::Handle< std::vector< PileupSummaryInfo > > &PupInfo, TTree *tree)
	HLTMCtruth ()
void	setup (const edm::ParameterSet &pSet, TTree *tree)

Private Attributes
bool	_Debug
bool	_Gen
bool	_Monte
float *	mceta
float *	mcphi
int *	mcpid
float *	mcpt
int *	mcstatus
float *	mcvx
float *	mcvy
float *	mcvz
int	nab
int	nbb
int	nel3
int	nmcpart
int	nmu3
int	npubx0
int	npuvertbx0
int	nwenu
int	nwmunu
int	nzee
int	nzmumu
float	ptEleMax
float	pthatf
float	ptMuMax
float	weightf
float	weightsignf

Detailed Description

$Date: November 2006 $Revision:

Author

P. Bargassa - Rice U.

Definition at line 30 of file HLTMCtruth.h.

Constructor & Destructor Documentation

HLTMCtruth::HLTMCtruth

(

)

Definition at line 15 of file HLTMCtruth.cc.

References _Debug, _Gen, and _Monte.

                       {

  //set parameter defaults 
  _Monte=false;
  _Gen=false;
  _Debug=false;
}

Member Function Documentation

void HLTMCtruth::analyze	(	const edm::Handle< reco::CandidateView > &	mctruth,
		const double &	pthat,
		const double &	weight,
		const edm::Handle< std::vector< SimTrack > > &	simTracks,
		const edm::Handle< std::vector< SimVertex > > &	simVertices,
		const edm::Handle< std::vector< PileupSummaryInfo > > &	PupInfo,
		TTree *	tree
	)

Analyze the Data

Definition at line 75 of file HLTMCtruth.cc.

References _Gen, _Monte, funct::abs(), rpcdqm::BX, edmIntegrityCheck::d, reco::Candidate::daughter(), stringResolutionProvider_cfi::eta, reco::Candidate::eta(), i, edm::HandleBase::isValid(), j, mceta, mcphi, mcpid, mcpt, mcstatus, mcvx, mcvy, mcvz, nab, nbb, nel3, nmcpart, nmu3, npubx0, npuvertbx0, reco::Candidate::numberOfDaughters(), nwenu, nwmunu, nzee, nzmumu, AlCaHLTBitMon_ParallelJobs::p, BPhysicsValidation_cfi::pdgid, reco::Candidate::pdgId(), reco::Candidate::phi(), EnergyCorrector::pt, reco::Candidate::pt(), ptEleMax, pthatf, ptMuMax, alignCSCRings::r, tkConvValidator_cfi::simTracks, edm::View< T >::size(), mathSSE::sqrt(), reco::Candidate::status(), reco::Candidate::vx(), reco::Candidate::vy(), reco::Candidate::vz(), mps_merge::weight, weightf, weightsignf, x, y, and z.

Referenced by HLTBitAnalyzer::analyze().

                             {

  //std::cout << " Beginning HLTMCtruth " << std::endl;

  if (_Monte) {
    int nmc = 0;
    int mu3 = 0;
    int el3 = 0;
    int mab = 0;
    int mbb = 0;
    int wel = 0;
    int wmu = 0;
    int zee = 0;
    int zmumu = 0;

    ptEleMax = -999.0;
    ptMuMax  = -999.0;    
    pthatf   = pthat;
    weightf   = weight;
    weightsignf   = (weight > 0) ? 1. : -1.;
    npubx0  = 0.0;
    npuvertbx0 = 0;

    int npvtrue = 0; 
    int npuvert = 0;

    if(PupInfo.isValid()) {
      std::vector<PileupSummaryInfo>::const_iterator PVI;  
      for(PVI = PupInfo->begin(); PVI != PupInfo->end(); ++PVI) {  
    
    int BX = PVI->getBunchCrossing();  
    npvtrue = PVI->getTrueNumInteractions();  
    npuvert = PVI->getPU_NumInteractions();
    
    if(BX == 0)  
      {  
        npubx0+=npvtrue; 
        npuvertbx0+=npuvert;
      } 
      }
    }

    if((simTracks.isValid())&&(simVertices.isValid())){
      for (unsigned int j=0; j<simTracks->size(); j++) {
    int pdgid = simTracks->at(j).type();
    if (abs(pdgid)!=13) continue;
    double pt = simTracks->at(j).momentum().pt();
    if (pt<5.0) continue;
    double eta = simTracks->at(j).momentum().eta();
    if (abs(eta)>2.5) continue;
    if (simTracks->at(j).noVertex()) continue;
    int vertIndex = simTracks->at(j).vertIndex();
    double x = simVertices->at(vertIndex).position().x();
    double y = simVertices->at(vertIndex).position().y();
    double r = sqrt(x*x+y*y);
    if (r>200.) continue; // I think units are cm here
    double z = simVertices->at(vertIndex).position().z();
    if (abs(z)>400.) continue; // I think units are cm here
    mu3 += 1;
    break;
      }

    }

    if (_Gen && mctruth.isValid()){

      for (size_t i = 0; i < mctruth->size(); ++ i) {
    const reco::Candidate & p = (*mctruth)[i];

    mcpid[nmc] = p.pdgId();
    mcstatus[nmc] = p.status();
    mcpt[nmc] = p.pt();
    mceta[nmc] = p.eta();
    mcphi[nmc] = p.phi();
    mcvx[nmc] = p.vx();
    mcvy[nmc] = p.vy();
    mcvz[nmc] = p.vz();

    if ((mcpid[nmc]==24)||(mcpid[nmc]==-24)) { // Checking W -> e/mu nu
      size_t idg = p.numberOfDaughters();
      for (size_t j=0; j != idg; ++j){
        const reco::Candidate & d = *p.daughter(j);
        if ((d.pdgId()==11)||(d.pdgId()==-11)){wel += 1;}
        if ((d.pdgId()==13)||(d.pdgId()==-13)){wmu += 1;}
//      if ( (abs(d.pdgId())!=24) && ((mcpid[nmc])*(d.pdgId())>0) ) 
//        {std::cout << "Wrong sign between mother-W and daughter !" << std::endl;}
      }
    }
    if (mcpid[nmc]==23) { // Checking Z -> 2 e/mu
      size_t idg = p.numberOfDaughters();
      for (size_t j=0; j != idg; ++j){
        const reco::Candidate & d = *p.daughter(j);
        if (d.pdgId()==11){zee += 1;}
        if (d.pdgId()==-11){zee += 2;}
        if (d.pdgId()==13){zmumu += 1;}
        if (d.pdgId()==-13){zmumu += 2;}
      }
    }

    // Set-up flags, based on Pythia-generator information, for avoiding double-counting events when
    // using both pp->{e,mu}X AND QCD samples
//  if (((mcpid[nmc]==13)||(mcpid[nmc]==-13))&&(mcpt[nmc]>2.5)) {mu3 += 1;} // Flag for muons with pT > 2.5 GeV/c
    if (((mcpid[nmc]==11)||(mcpid[nmc]==-11))&&(mcpt[nmc]>2.5)) {el3 += 1;} // Flag for electrons with pT > 2.5 GeV/c

    if (mcpid[nmc]==-5) {mab += 1;} // Flag for bbar
    if (mcpid[nmc]==5) {mbb += 1;} // Flag for b

    if ((mcpid[nmc]==13)||(mcpid[nmc]==-13))
      {if (p.pt()>ptMuMax) {ptMuMax=p.pt();} } // Save max pt of generated Muons
    if ((mcpid[nmc]==11)||(mcpid[nmc]==-11))
      {if (p.pt() > ptEleMax) ptEleMax=p.pt();} // Save max pt of generated Electrons

    nmc++;
      }

    }
    //    else {std::cout << "%HLTMCtruth -- No MC truth information" << std::endl;}

    nmcpart = nmc;
    nmu3 = mu3;
    nel3 = el3;
    nbb = mbb;
    nab = mab;
    nwenu = wel;
    nwmunu = wmu;
    if((zee%3)==0){nzee = zee/3;}
//     else {std::cout << "Z does not decay in e+ e- !" << std::endl;}
    if ((zmumu%3)==0){nzmumu = zmumu/3;}
//     else {std::cout << "Z does not decay in mu+ mu- !" << std::endl;}

  }

}

void HLTMCtruth::setup	(	const edm::ParameterSet &	pSet,
		TTree *	tree
	)

Definition at line 24 of file HLTMCtruth.cc.

References _Debug, _Gen, _Monte, edm::ParameterSet::getParameter(), edm::ParameterSet::getParameterNames(), mceta, mcphi, mcpid, mcpt, mcstatus, mcvx, mcvy, mcvz, nab, nbb, nel3, nmcpart, nmu3, npubx0, npuvertbx0, nwenu, nwmunu, nzee, nzmumu, ptEleMax, pthatf, ptMuMax, weightf, and weightsignf.

Referenced by HLTBitAnalyzer::HLTBitAnalyzer().

                                                                  {

  edm::ParameterSet myMCParams = pSet.getParameter<edm::ParameterSet>("RunParameters") ;
  std::vector<std::string> parameterNames = myMCParams.getParameterNames() ;
  
  for ( std::vector<std::string>::iterator iParam = parameterNames.begin();
    iParam != parameterNames.end(); iParam++ ){
    if  ( (*iParam) == "Monte" ) _Monte =  myMCParams.getParameter<bool>( *iParam );
    else if ( (*iParam) == "GenTracks" ) _Gen =  myMCParams.getParameter<bool>( *iParam );
    else if ( (*iParam) == "Debug" ) _Debug =  myMCParams.getParameter<bool>( *iParam );
  }

  const int kMaxMcTruth = 10000;
  mcpid = new int[kMaxMcTruth];
  mcstatus = new int[kMaxMcTruth];
  mcvx = new float[kMaxMcTruth];
  mcvy = new float[kMaxMcTruth];
  mcvz = new float[kMaxMcTruth];
  mcpt = new float[kMaxMcTruth];
  mceta = new float[kMaxMcTruth];
  mcphi = new float[kMaxMcTruth];
  
  // MCtruth-specific branches of the tree 
  HltTree->Branch("NMCpart",&nmcpart,"NMCpart/I");
  HltTree->Branch("MCpid",mcpid,"MCpid[NMCpart]/I");
  HltTree->Branch("MCstatus",mcstatus,"MCstatus[NMCpart]/I");
  HltTree->Branch("MCvtxX",mcvx,"MCvtxX[NMCpart]/F");
  HltTree->Branch("MCvtxY",mcvy,"MCvtxY[NMCpart]/F");
  HltTree->Branch("MCvtxZ",mcvz,"MCvtxZ[NMCpart]/F");
  HltTree->Branch("MCpt",mcpt,"MCpt[NMCpart]/F");
  HltTree->Branch("MCeta",mceta,"MCeta[NMCpart]/F");
  HltTree->Branch("MCphi",mcphi,"MCphi[NMCpart]/F");
  HltTree->Branch("MCPtHat",&pthatf,"MCPtHat/F");
  HltTree->Branch("MCWeight",&weightf,"MCWeight/F");
  HltTree->Branch("MCWeightSign",&weightsignf,"MCWeightSign/F");
  HltTree->Branch("MCmu3",&nmu3,"MCmu3/I");
  HltTree->Branch("MCel3",&nel3,"MCel3/I");
  HltTree->Branch("MCbb",&nbb,"MCbb/I");
  HltTree->Branch("MCab",&nab,"MCab/I");
  HltTree->Branch("MCWenu",&nwenu,"MCWenu/I");
  HltTree->Branch("MCWmunu",&nwmunu,"MCmunu/I");
  HltTree->Branch("MCZee",&nzee,"MCZee/I");
  HltTree->Branch("MCZmumu",&nzmumu,"MCZmumu/I");
  HltTree->Branch("MCptEleMax",&ptEleMax,"MCptEleMax/F");
  HltTree->Branch("MCptMuMax",&ptMuMax,"MCptMuMax/F");
  HltTree->Branch("NPUTrueBX0",&npubx0, "NPUTrueBX0/I");
  HltTree->Branch("NPUgenBX0",&npuvertbx0, "NPUgenBX0/I");

}

Member Data Documentation

bool HLTMCtruth::_Debug

private

Definition at line 55 of file HLTMCtruth.h.

Referenced by HLTMCtruth(), and setup().

bool HLTMCtruth::_Gen

private

Definition at line 55 of file HLTMCtruth.h.

Referenced by analyze(), HLTMCtruth(), and setup().

bool HLTMCtruth::_Monte

private

Definition at line 55 of file HLTMCtruth.h.

Referenced by analyze(), HLTMCtruth(), and setup().

float * HLTMCtruth::mceta

private

Definition at line 48 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float * HLTMCtruth::mcphi

private

Definition at line 48 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int* HLTMCtruth::mcpid

private

Definition at line 49 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float * HLTMCtruth::mcpt

private

Definition at line 48 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int * HLTMCtruth::mcstatus

private

Definition at line 49 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float* HLTMCtruth::mcvx

private

Definition at line 48 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float * HLTMCtruth::mcvy

private

Definition at line 48 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float * HLTMCtruth::mcvz

private

Definition at line 48 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nab

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nbb

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nel3

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nmcpart

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nmu3

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::npubx0

private

Definition at line 51 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::npuvertbx0

private

Definition at line 51 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nwenu

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nwmunu

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nzee

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

int HLTMCtruth::nzmumu

private

Definition at line 50 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float HLTMCtruth::ptEleMax

private

Definition at line 53 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float HLTMCtruth::pthatf

private

Definition at line 52 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float HLTMCtruth::ptMuMax

private

Definition at line 53 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float HLTMCtruth::weightf

private

Definition at line 52 of file HLTMCtruth.h.

Referenced by analyze(), and setup().

float HLTMCtruth::weightsignf

private

Definition at line 52 of file HLTMCtruth.h.

Referenced by analyze(), and setup().