TrackSelection.cc

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#include "Calibration/IsolatedParticles/interface/TrackSelection.h"
#include "DataFormats/TrackReco/interface/HitPattern.h"

#include<iostream>

namespace spr{
  
  bool goodTrack (const reco::Track* pTrack, math::XYZPoint leadPV, spr::trackSelectionParameters parameters, bool debug) {

    bool select = pTrack->quality(parameters.minQuality);
    double dxy = pTrack->dxy(leadPV);
    double dz  = pTrack->dz(leadPV);
    double dpbyp = 999;
    if (std::abs(pTrack->qoverp()) > 0.0000001) 
      dpbyp = std::abs(pTrack->qoverpError()/pTrack->qoverp());

    if (debug) std::cout << "Track:: Pt " << pTrack->pt() << " dxy " << dxy << " dz " << dz << " Chi2 " << pTrack->normalizedChi2()  << " dpbyp " << dpbyp << " Quality " << select << std::endl;

    if (pTrack->pt() < parameters.minPt)                      select = false;
    if (dxy > parameters.maxDxyPV || dz > parameters.maxDzPV) select = false;
    if (pTrack->normalizedChi2() > parameters.maxChi2)        select = false;
    if (dpbyp > parameters.maxDpOverP)                        select = false;

    if (parameters.minLayerCrossed>0 || parameters.minOuterHit>0) {
      const reco::HitPattern& hitp = pTrack->hitPattern();
      if (parameters.minLayerCrossed>0 && hitp.trackerLayersWithMeasurement() < parameters.minLayerCrossed) select = false;
      if (parameters.minOuterHit>0 && (hitp.stripTOBLayersWithMeasurement()+hitp.stripTECLayersWithMeasurement() ) < parameters.minOuterHit) select = false;
      if (debug) {
    std::cout << "Default Hit Pattern with " << hitp.numberOfHits() << " hits" << std::endl;
    for (int i=0; i<hitp.numberOfHits(); i++) 
      hitp.printHitPattern(i, std::cout);
      }
    }
    if (parameters.maxInMiss >= 0) {
      const reco::HitPattern& hitp  = pTrack->trackerExpectedHitsInner();
      if (hitp.trackerLayersWithoutMeasurement() > parameters.maxInMiss) select = false;
      if (debug) {
    std::cout << "Inner Hit Pattern with " << hitp.numberOfHits() << " hits" << std::endl;
    for (int i=0; i<hitp.numberOfHits(); i++) 
      hitp.printHitPattern(i, std::cout);
      }
    }
    if (parameters.maxOutMiss >= 0) {
      const reco::HitPattern& hitp  = pTrack->trackerExpectedHitsOuter();
      if (hitp.trackerLayersWithoutMeasurement() > parameters.maxOutMiss) select = false;
      if (debug) {
    std::cout << "Outer Hit Pattern with " << hitp.numberOfHits() << " hits" << std::endl;
    for (int i=0; i<hitp.numberOfHits(); i++) 
      hitp.printHitPattern(i, std::cout);
      }
    }
    if (debug) std::cout << "Final Selection Result " << select << std::endl;

    return select;
  }
}