/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/HLTrigger/HLTanalyzers/src/HLTTrack.cc

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#include <iostream>
#include <sstream>
#include <istream>
#include <fstream>
#include <iomanip>
#include <string>
#include <cmath>
#include <functional>
#include <stdlib.h>
#include <string.h>

#include "HLTrigger/HLTanalyzers/interface/HLTTrack.h"
#include "DataFormats/Math/interface/deltaR.h"

HLTTrack::HLTTrack() {
  evtCounter=0;

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

/*  Setup the analysis to put the branch-variables into the tree. */
void HLTTrack::setup(const edm::ParameterSet& pSet, TTree* HltTree) {

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

   //common
  const int kMaxTrackL3 = 10000;
   //isoPixel
  isopixeltrackL3pt = new float[kMaxTrackL3];
  isopixeltrackL3eta = new float[kMaxTrackL3];
  isopixeltrackL3phi = new float[kMaxTrackL3]; 
  isopixeltrackL3maxptpxl = new float[kMaxTrackL3];
  isopixeltrackL3energy = new float[kMaxTrackL3]; 
  isopixeltrackL2pt = new float[kMaxTrackL3];
  isopixeltrackL2eta = new float[kMaxTrackL3];
  isopixeltrackL2dXY = new float[kMaxTrackL3];

   //minBiasPixel
  pixeltracksL3pt = new float[kMaxTrackL3];
  pixeltracksL3eta = new float[kMaxTrackL3];
  pixeltracksL3phi = new float[kMaxTrackL3]; 
  pixeltracksL3vz = new float[kMaxTrackL3];

  // Track-specific branches of the tree 
   //isoPixel
  HltTree->Branch("NohIsoPixelTrackL3",&nisopixeltrackL3,"NohIsoPixelTrackL3/I");
  HltTree->Branch("ohIsoPixelTrackL3Pt",isopixeltrackL3pt,"ohIsoPixelTrackL3Pt[NohIsoPixelTrackL3]/F");
  HltTree->Branch("ohIsoPixelTrackL3Eta",isopixeltrackL3eta,"ohIsoPixelTrackL3Eta[NohIsoPixelTrackL3]/F");
  HltTree->Branch("ohIsoPixelTrackL3Phi",isopixeltrackL3phi,"ohIsoPixelTrackL3Phi[NohIsoPixelTrackL3]/F"); 
  HltTree->Branch("ohIsoPixelTrackL3MaxPtPxl",isopixeltrackL3maxptpxl,"ohIsoPixelTrackL3MaxPtPxl[NohIsoPixelTrackL3]/F");
  HltTree->Branch("ohIsoPixelTrackL3Energy",isopixeltrackL3energy,"ohIsoPixelTrackL3Energy[NohIsoPixelTrackL3]/F");
  HltTree->Branch("ohIsoPixelTrackL2pt",isopixeltrackL2pt,"ohIsoPixelTrackL2pt[NohIsoPixelTrackL3]/F");
  HltTree->Branch("ohIsoPixelTrackL2eta",isopixeltrackL2eta,"ohIsoPixelTrackL2eta[NohIsoPixelTrackL3]/F");
  HltTree->Branch("ohIsoPixelTrackL2dXY",isopixeltrackL2dXY,"ohIsoPixelTrackL2dXY[NohIsoPixelTrackL3]/F");

   //minBiasPixel
  HltTree->Branch("NohPixelTracksL3",&npixeltracksL3,"NohPixelTracksL3/I");
  HltTree->Branch("ohPixelTracksL3Pt",pixeltracksL3pt,"ohPixelTracksL3Pt[NohPixelTracksL3]/F");
  HltTree->Branch("ohPixelTracksL3Eta",pixeltracksL3eta,"ohPixelTracksL3Eta[NohPixelTracksL3]/F");
  HltTree->Branch("ohPixelTracksL3Phi",pixeltracksL3phi,"ohPixelTracksL3Phi[NohPixelTracksL3]/F"); 
  HltTree->Branch("ohPixelTracksL3Vz",pixeltracksL3vz,"ohPixelTracksL3Vz[NohPixelTracksL3]/F");
}

/* **Analyze the event** */
void HLTTrack::analyze(
                       const edm::Handle<reco::IsolatedPixelTrackCandidateCollection> & IsoPixelTrackL3,
                       const edm::Handle<reco::IsolatedPixelTrackCandidateCollection> & IsoPixelTrackL2,
                       const edm::Handle<reco::VertexCollection> & pixelVertices,
                       const edm::Handle<reco::RecoChargedCandidateCollection> & PixelTracksL3,
                       TTree* HltTree) {

  //isoPixel
  if (IsoPixelTrackL3.isValid()) { 
    // Ref to Candidate object to be recorded in filter object 
    edm::Ref<reco::IsolatedPixelTrackCandidateCollection> candref; 
    
    nisopixeltrackL3 = IsoPixelTrackL3->size();
    
    for (unsigned int i=0; i<IsoPixelTrackL3->size(); i++) 
      { 
        candref = edm::Ref<reco::IsolatedPixelTrackCandidateCollection>(IsoPixelTrackL3, i); 
        
        isopixeltrackL3maxptpxl[i] = candref->maxPtPxl();
        isopixeltrackL3pt[i] = candref->pt();
        isopixeltrackL3eta[i] = candref->track()->eta();
        isopixeltrackL3phi[i] = candref->phi();   
        isopixeltrackL3energy[i] = (candref->pt())*cosh(candref->track()->eta());
      } 
  }
  else {nisopixeltrackL3 = 0;} 

  //minBiasPixel  
  if (PixelTracksL3.isValid()) { 
    // Ref to Candidate object to be recorded in filter object 
    edm::Ref<reco::RecoChargedCandidateCollection> candref; 
    
    npixeltracksL3 = PixelTracksL3->size();
    
    for (unsigned int i=0; i<PixelTracksL3->size(); i++) 
      { 
        candref = edm::Ref<reco::RecoChargedCandidateCollection>(PixelTracksL3, i); 
        
        pixeltracksL3pt[i] = candref->pt();
        pixeltracksL3eta[i] = candref->eta();
        pixeltracksL3phi[i] = candref->phi();   
        pixeltracksL3vz[i] = candref->vz();
        
        if (IsoPixelTrackL2.isValid()) {
          double minDR=100;
          edm::Ref<reco::IsolatedPixelTrackCandidateCollection> candrefl2;
          edm::Ref<reco::IsolatedPixelTrackCandidateCollection> candrefl2matched;
          for (unsigned int j=0; j<IsoPixelTrackL2->size(); j++) 
            { 
              candrefl2 = edm::Ref<reco::IsolatedPixelTrackCandidateCollection>(IsoPixelTrackL2, j);
              double drL3L2 = deltaR(candrefl2->eta(), candrefl2->phi(),candref->eta(), candref->phi());
              if (drL3L2<minDR)
                {
                  candrefl2matched=candrefl2;
                  minDR=drL3L2;
                }
            }
          if (candrefl2matched.isNonnull())
            {
              isopixeltrackL2pt[i]=candrefl2matched->pt();
              isopixeltrackL2eta[i]=candrefl2matched->eta();
              if (pixelVertices.isValid()) 
                {
                  double minDZ=100;
                  edm::Ref<reco::VertexCollection> vertref; 
                  edm::Ref<reco::VertexCollection> vertrefMatched;
                  for (unsigned int k=0; k<pixelVertices->size(); k++)
                    {
                      vertref=edm::Ref<reco::VertexCollection>(pixelVertices, k);
                      double dz=fabs(candrefl2matched->track()->dz(vertref->position()));
                      if (dz<minDZ)
                        {
                          minDZ=dz;
                          vertrefMatched=vertref;
                        }
                    }
                  if (vertrefMatched.isNonnull()) isopixeltrackL2dXY[i] = candrefl2matched->track()->dxy(vertref->position());
                  else isopixeltrackL2dXY[i]=0;
                }
            }
        }
      } 
  }
  else {npixeltracksL3 = 0;} 


  
}