DTSegmentSelector Class Reference

#include <DTSegmentSelector.h>

Public Member Functions
	DTSegmentSelector (edm::ParameterSet const &pset)
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_

Detailed Description

Definition at line 19 of file DTSegmentSelector.h.

Constructor & Destructor Documentation

DTSegmentSelector::DTSegmentSelector ( edm::ParameterSet const &  pset )

inline

Definition at line 21 of file DTSegmentSelector.h.

                                                    :
         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")) {
      }

DTSegmentSelector::~DTSegmentSelector ( )

inline

Definition at line 29 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 84 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){
     //DTRecHit1D const* dtHit1D = dynamic_cast<DTRecHit1D const*>(*recHit);
     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 16 of file DTSegmentSelector.cc.

References checkNoisyChannels_, checkNoisySegment(), DTRecSegment4D::chi2(), DTRecSegment4D::degreesOfFreedom(), edm::EventSetup::get(), DTRecSegment4D::hasPhi(), DTRecSegment4D::hasZed(), DTRecSegment4D::localDirection(), maxAnglePhi_, maxAngleZ_, maxChi2_, minHitsPhi_, minHitsZ_, DTRecSegment4D::phiSegment(), Geom::pi(), mps_fire::result, DTRecSegment2D::specificRecHits(), 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 DT Geometry
  ESHandle<DTGeometry> dtGeom;
  eventSetup.get<MuonGeometryRecord>().get(dtGeom);
  */

  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
     //LocalPoint phiSeg2DPosInCham = phiSeg->localPosition();  
     //LocalVector phiSeg2DDirInCham = phiSeg->localDirection();
     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
     //const DTSuperLayer* sl = chamber->superLayer(zSeg->superLayerId());
     //LocalPoint zSeg2DPosInCham = chamber->toLocal(sl->toGlobal((*zSeg).localPosition())); 
     //LocalVector zSeg2DDirInCham = chamber->toLocal(sl->toGlobal((*zSeg).localDirection()));
     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()().