DTSegmentSelector Class Reference

#include <DTSegmentSelector.h>

Public Member Functions
	DTSegmentSelector (edm::ParameterSet const &pset, edm::ConsumesCollector &iC)
bool	operator() (DTRecSegment4D const &, edm::Event const &, edm::EventSetup const &)
	~DTSegmentSelector ()

Private Member Functions
bool	checkNoisySegment (edm::ESHandle< DTStatusFlag > const &, std::vector< DTRecHit1D > const &)

Private Attributes
bool	checkNoisyChannels_
double	maxAnglePhi_
double	maxAngleZ_
double	maxChi2_
int	minHitsPhi_
int	minHitsZ_
edm::InputTag	muonTags_
edm::EDGetTokenT< reco::MuonCollection >	muonToken_

Detailed Description

Definition at line 24 of file DTSegmentSelector.h.

Constructor & Destructor Documentation

DTSegmentSelector::DTSegmentSelector	(	edm::ParameterSet const &	pset,
		edm::ConsumesCollector &	iC
	)

Definition at line 16 of file DTSegmentSelector.cc.

References edm::ConsumesCollector::consumes(), muonTags_, and muonToken_.

                                                                                         :
         muonTags_(pset.getParameter<edm::InputTag>("Muons")),
         checkNoisyChannels_(pset.getParameter<bool>("checkNoisyChannels")),
         minHitsPhi_(pset.getParameter<int>("minHitsPhi")),
         minHitsZ_(pset.getParameter<int>("minHitsZ")),
         maxChi2_(pset.getParameter<double>("maxChi2")),
         maxAnglePhi_(pset.getParameter<double>("maxAnglePhi")),
         maxAngleZ_(pset.getParameter<double>("maxAngleZ"))
{
  muonToken_ = iC.consumes<reco::MuonCollection>(muonTags_);
}

DTSegmentSelector::~DTSegmentSelector ( )

inline

Definition at line 27 of file DTSegmentSelector.h.

References checkNoisySegment(), and operator()().

{}

Member Function Documentation

bool DTSegmentSelector::checkNoisySegment ( edm::ESHandle< DTStatusFlag > const &  statusMap, std::vector< DTRecHit1D > const &  dtHits  )

private

Definition at line 119 of file DTSegmentSelector.cc.

References DTStatusFlag::cellStatus(), and LogTrace.

Referenced by operator()(), and ~DTSegmentSelector().

                                                                                                                        {

  bool segmentNoisy = false;

  std::vector<DTRecHit1D>::const_iterator dtHit = dtHits.begin();
  std::vector<DTRecHit1D>::const_iterator dtHits_end = dtHits.end();
  for(; dtHit != dtHits_end; ++dtHit){
     DTWireId wireId = dtHit->wireId();
     // Check for noisy channels to skip them
     bool isNoisy = false, isFEMasked = false, isTDCMasked = false, isTrigMask = false,
          isDead = false, isNohv = false;
     statusMap->cellStatus(wireId, isNoisy, isFEMasked, isTDCMasked, isTrigMask, isDead, isNohv);
     if(isNoisy) {
        LogTrace("Calibration") << "Wire: " << wireId << " is noisy, skipping!";
        segmentNoisy = true; break;
     }
  }
  return segmentNoisy;
}

bool DTSegmentSelector::operator()	(	DTRecSegment4D const &	segment,
		edm::Event const &	event,
		edm::EventSetup const &	setup
	)

Definition at line 29 of file DTSegmentSelector.cc.

References checkNoisyChannels_, checkNoisySegment(), DTRecSegment4D::chi2(), DTRecSegment4D::degreesOfFreedom(), runTauDisplay::dr, PVValHelper::dx, PVValHelper::dy, edm::EventSetup::get(), DTRecSegment4D::hasPhi(), DTRecSegment4D::hasZed(), edm::InputTag::label(), DTRecSegment4D::localDirection(), DTRecSegment4D::localPosition(), electrons_cff::matched, maxAnglePhi_, maxAngleZ_, maxChi2_, minHitsPhi_, minHitsZ_, extraflags_cff::muons, muonTags_, muonToken_, DTRecSegment4D::phiSegment(), Geom::pi(), edm::Handle< T >::product(), TrackingRecHit::rawId(), mps_fire::result, DTRecSegment2D::specificRecHits(), mathSSE::sqrt(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), PV3DBase< T, PVType, FrameType >::z(), and DTRecSegment4D::zSegment().

Referenced by ~DTSegmentSelector().

                                                                                                                   {

  bool result = true;

  /* get the muon collection if one is specified
    (not specifying a muon collection switches off muon matching */
  if (!muonTags_.label().empty()) {
    edm::Handle<reco::MuonCollection> muonH;
    event.getByToken(muonToken_,muonH);
    const std::vector<reco::Muon>* muons = muonH.product();
    //std::cout << " Muon collection size: " << muons->size() << std::endl;
    if (muons->empty()) return false;

    DTChamberId segId(segment.rawId());

    bool matched = false;
    for (auto &imuon : *muons) 
      for (const auto &ch : imuon.matches()) {
        DetId chId(ch.id.rawId());
        if (chId!=segId) continue;
        if ( imuon.pt()<15 || !imuon.isGlobalMuon()) continue;

        int nsegs=ch.segmentMatches.size();
        if (!nsegs) continue;

        LocalPoint posHit = segment.localPosition();
        float dx = (posHit.x() ? posHit.x()-ch.x : 0 );
        float dy = (posHit.y() ? posHit.y()-ch.y : 0 );
        float dr = sqrt(dx*dx+dy*dy);
        if (dr<5) matched=true;
      }

    if (!matched) result=false;
  }



  edm::ESHandle<DTStatusFlag> statusMap;
  if(checkNoisyChannels_) setup.get<DTStatusFlagRcd>().get(statusMap);

  // Get the Phi 2D segment
  int nPhiHits = -1;
  bool segmentNoisyPhi = false;
  if( segment.hasPhi() ){
     const DTChamberRecSegment2D* phiSeg = segment.phiSegment();  // phiSeg lives in the chamber RF
     std::vector<DTRecHit1D> phiRecHits = phiSeg->specificRecHits();
     nPhiHits = phiRecHits.size(); 
     if(checkNoisyChannels_) segmentNoisyPhi = checkNoisySegment(statusMap,phiRecHits);
  //} else result = false;
  }
  // Get the Theta 2D segment
  int nZHits = -1;
  bool segmentNoisyZ = false;
  if( segment.hasZed() ){
     const DTSLRecSegment2D* zSeg = segment.zSegment();  // zSeg lives in the SL RF
     std::vector<DTRecHit1D> zRecHits = zSeg->specificRecHits();
     nZHits = zRecHits.size();
     if(checkNoisyChannels_) segmentNoisyZ = checkNoisySegment(statusMap,zRecHits);
  } 

  // Segment selection 
  // Discard segment if it has a noisy cell
  if(segmentNoisyPhi || segmentNoisyZ)
    result = false;

  // 2D-segment number of hits
  if(segment.hasPhi() && nPhiHits < minHitsPhi_)
    result = false;

  if(segment.hasZed() && nZHits < minHitsZ_)
    result = false;

  // Segment chi2
  double chiSquare = segment.chi2()/segment.degreesOfFreedom();
  if(chiSquare > maxChi2_)
    result = false;

  // Segment angle
  LocalVector segment4DLocalDir = segment.localDirection();
  double angleZ = fabs( atan(segment4DLocalDir.y()/segment4DLocalDir.z())*180./Geom::pi() ); 
  if( angleZ > maxAngleZ_)
    result = false;

  double anglePhi = fabs( atan(segment4DLocalDir.x()/segment4DLocalDir.z())*180./Geom::pi() );
  if( anglePhi > maxAnglePhi_)
    result = false;

  return result;
}

Member Data Documentation

bool DTSegmentSelector::checkNoisyChannels_

private

Definition at line 35 of file DTSegmentSelector.h.

Referenced by operator()().

double DTSegmentSelector::maxAnglePhi_

private

Definition at line 39 of file DTSegmentSelector.h.

Referenced by operator()().

double DTSegmentSelector::maxAngleZ_

private

Definition at line 40 of file DTSegmentSelector.h.

Referenced by operator()().

double DTSegmentSelector::maxChi2_

private

Definition at line 38 of file DTSegmentSelector.h.

Referenced by operator()().

int DTSegmentSelector::minHitsPhi_

private

Definition at line 36 of file DTSegmentSelector.h.

Referenced by operator()().

int DTSegmentSelector::minHitsZ_

private

Definition at line 37 of file DTSegmentSelector.h.

Referenced by operator()().

edm::InputTag DTSegmentSelector::muonTags_

private

Definition at line 33 of file DTSegmentSelector.h.

Referenced by DTSegmentSelector(), and operator()().

edm::EDGetTokenT<reco::MuonCollection> DTSegmentSelector::muonToken_

private

Definition at line 34 of file DTSegmentSelector.h.

Referenced by DTSegmentSelector(), and operator()().