#include <CosmicMuonSeedGenerator.h>

Inheritance diagram for CosmicMuonSeedGenerator:

Classes
struct	DecreasingGlobalY

struct	MuonRecHitPair

Public Member Functions
	CosmicMuonSeedGenerator (const edm::ParameterSet &)
	Constructor. More...

virtual void	produce (edm::Event &, const edm::EventSetup &)
	reconstruct muon's seeds More...

virtual	~CosmicMuonSeedGenerator ()
	Destructor. More...

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Private Types
typedef std::vector < MuonRecHitPair >	MuonRecHitPairVector

Private Member Functions
bool	areCorrelated (const MuonTransientTrackingRecHit::MuonRecHitPointer &, const MuonTransientTrackingRecHit::MuonRecHitPointer &) const
	check if two rechits are correlated More...

bool	checkQuality (const MuonTransientTrackingRecHit::MuonRecHitPointer &) const
	determine if a MuonTransientTrackingRecHit is qualified to build seed More...

std::vector< TrajectorySeed >	createSeed (const MuonTransientTrackingRecHit::MuonRecHitPointer &, const edm::EventSetup &) const
	create TrajectorySeed from MuonTransientTrackingRecHit More...

std::vector< TrajectorySeed >	createSeed (const MuonRecHitPair &, const edm::EventSetup &) const
	create TrajectorySeed from MuonRecHitPair More...

void	createSeeds (TrajectorySeedCollection &results, const MuonTransientTrackingRecHit::MuonRecHitContainer &hits, const edm::EventSetup &eSetup) const
	generate TrajectorySeeds and put them into results More...

void	createSeeds (TrajectorySeedCollection &results, const CosmicMuonSeedGenerator::MuonRecHitPairVector &hits, const edm::EventSetup &eSetup) const

bool	leftIsBetter (const MuonTransientTrackingRecHit::MuonRecHitPointer &, const MuonTransientTrackingRecHit::MuonRecHitPointer &) const
	compare quality of two rechits More...

std::vector< MuonRecHitPair >	makeSegPairs (const MuonTransientTrackingRecHit::MuonRecHitContainer &, const MuonTransientTrackingRecHit::MuonRecHitContainer &, std::string) const

MuonTransientTrackingRecHit::MuonRecHitContainer	selectSegments (const MuonTransientTrackingRecHit::MuonRecHitContainer &) const
	select seed candidates from Segments in Event More...

TrajectorySeed	tsosToSeed (const TrajectoryStateOnSurface &, uint32_t) const

Private Attributes
edm::InputTag	theCSCRecSegmentLabel
	the name of the CSC rec hits collection More...

edm::InputTag	theDTRecSegmentLabel
	the name of the DT rec hits collection More...

bool	theEnableCSCFlag
	enable CSCSegment Flag More...

bool	theEnableDTFlag
	enable DT Segment Flag More...

edm::ESHandle< MagneticField >	theField

double	theMaxCSCChi2

double	theMaxDTChi2
	the maximum chi2 required for dt and csc rechits More...

unsigned int	theMaxSeeds
	the maximum number of Seeds More...

edm::ESHandle < MuonDetLayerGeometry >	theMuonLayers

std::map< std::string, float >	theParameters

TrajectoryStateTransform *	theTSTransform

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

SeedGenerator for Cosmic Muon

Date:: 2009/01/16 03:02:45

Revision:: 1.2

Author: Chang Liu - Purdue University

Definition at line 27 of file CosmicMuonSeedGenerator.h.

Member Typedef Documentation

typedef std::vector<MuonRecHitPair> CosmicMuonSeedGenerator::MuonRecHitPairVector

private

Definition at line 51 of file CosmicMuonSeedGenerator.h.

Constructor & Destructor Documentation

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

Constructor.

Definition at line 47 of file CosmicMuonSeedGenerator.cc.

References edm::ParameterSet::getParameter().

                                                                            {
   produces<TrajectorySeedCollection>(); 
   
   // enable the DT chamber
   theEnableDTFlag = pset.getParameter<bool>("EnableDTMeasurement");
   // enable the CSC chamber
   theEnableCSCFlag = pset.getParameter<bool>("EnableCSCMeasurement");
 
   theDTRecSegmentLabel = pset.getParameter<InputTag>("DTRecSegmentLabel");
 
   theCSCRecSegmentLabel = pset.getParameter<InputTag>("CSCRecSegmentLabel");
 
   // the maximum number of TrajectorySeed
   theMaxSeeds = pset.getParameter<int>("MaxSeeds");
 
   theMaxDTChi2 = pset.getParameter<double>("MaxDTChi2");
   theMaxCSCChi2 = pset.getParameter<double>("MaxCSCChi2");
 
   theTSTransform = new TrajectoryStateTransform();
 
   // pre-determined parameters for seed pt calculation ( pt * dphi )
   theParameters["topmb41"] = 0.87;
   theParameters["bottommb41"] = 1.2;
   theParameters["topmb42"] = 0.67;
   theParameters["bottommb42"] = 0.98;
   theParameters["topmb43"] = 0.34;
   theParameters["bottommb43"] = 0.58;
   theParameters["topmb31"] = 0.54;
   theParameters["bottommb31"] = 0.77;
   theParameters["topmb32"] = 0.35;
   theParameters["bottommb32"] = 0.55;
   theParameters["topmb21"] = 0.21;
   theParameters["bottommb21"] = 0.31;
 
 }

CosmicMuonSeedGenerator::~CosmicMuonSeedGenerator ( )

virtual

Destructor.

Definition at line 84 of file CosmicMuonSeedGenerator.cc.

                                                  {
   delete theTSTransform;
 }

Member Function Documentation

bool CosmicMuonSeedGenerator::areCorrelated	(	const MuonTransientTrackingRecHit::MuonRecHitPointer &	lhs,
		const MuonTransientTrackingRecHit::MuonRecHitPointer &	rhs
	)		const

private

check if two rechits are correlated

Definition at line 364 of file CosmicMuonSeedGenerator.cc.

References PV3DBase< T, PVType, FrameType >::eta(), PV3DBase< T, PVType, FrameType >::mag(), PV3DBase< T, PVType, FrameType >::phi(), query::result, and PV3DBase< T, PVType, FrameType >::theta().

                                                                                                             {
   bool result = false;
 
   GlobalVector dir1 = lhs->globalDirection();
   GlobalPoint pos1 = lhs->globalPosition();
   GlobalVector dir2 = rhs->globalDirection();
   GlobalPoint pos2 = rhs->globalPosition();
 
   GlobalVector dis = pos2 - pos1;
 
   if ( (deltaR<double>(dir1.eta(), dir1.phi(), dir2.eta(), dir2.phi()) < 0.1 || deltaR<double>(dir1.eta(), dir1.phi(), -dir2.eta(), -dir2.phi()) < 0.1 ) 
         && dis.mag() < 5.0 )
      result = true;
 
   if ( (deltaR<double>(dir1.eta(), dir1.phi(), dir2.eta(), dir2.phi()) < 0.1 || deltaR<double>(dir1.eta(), dir1.phi(), -dir2.eta(), -dir2.phi()) < 0.1 ) &&
        (deltaR<double>(dir1.eta(), dir1.phi(), dis.eta(), dis.phi()) < 0.1 || deltaR<double>(dir2.eta(), dir2.phi(), dis.eta(), dis.phi()) < 0.1 ) )
      result = true;
 
   if ( fabs(dir1.eta()) > 4.0 || fabs(dir2.eta()) > 4.0 ) {
      if ( (fabs(dir1.theta() - dir2.theta()) < 0.07 ||
            fabs(dir1.theta() + dir2.theta()) > 3.07 ) && 
           (fabs(dir1.theta() - dis.theta()) < 0.07 || 
            fabs(dir1.theta() - dis.theta()) < 0.07 ||
            fabs(dir1.theta() + dis.theta()) > 3.07 ||
            fabs(dir1.theta() + dis.theta()) > 3.07 ) )
 
      result = true;
   }
 
   return result;
 }

bool CosmicMuonSeedGenerator::checkQuality ( const MuonTransientTrackingRecHit::MuonRecHitPointer & hit ) const

private

determine if a MuonTransientTrackingRecHit is qualified to build seed

Definition at line 202 of file CosmicMuonSeedGenerator.cc.

References category(), and LogTrace.

                                                                              {
 
   const std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
   // only use 4D segments
   if ( !hit->isValid() ) return false;
 
   if (hit->dimension() < 4) {
     LogTrace(category)<<"dim < 4";
     return false;
   }
 
   if (hit->isDT() && ( hit->chi2()> theMaxDTChi2 )) {
     LogTrace(category)<<"DT chi2 too large";
     return false;
   }
   else if (hit->isCSC() &&( hit->chi2()> theMaxCSCChi2 ) ) {
     LogTrace(category)<<"CSC chi2 too large";
      return false;
   }
   return true;
 
 } 

std::vector< TrajectorySeed > CosmicMuonSeedGenerator::createSeed	(	const MuonTransientTrackingRecHit::MuonRecHitPointer &	hit,
		const edm::EventSetup &	eSetup
	)		const

private

create TrajectorySeed from MuonTransientTrackingRecHit

Definition at line 303 of file CosmicMuonSeedGenerator.cc.

References category(), DeDxDiscriminatorTools::charge(), MuonSubdetId::CSC, MuonSubdetId::DT, MuonPatternRecoDumper::dumpMuonId(), error, LogTrace, PV3DBase< T, PVType, FrameType >::perp(), ExpressReco_HICollisions_FallBack::pt, query::result, and matplotRender::t.

                                                                                                                              {
 
   std::vector<TrajectorySeed> result;
 
   const std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
   MuonPatternRecoDumper dumper;
   
   // set the pt by hand
   double pt = 10.0;
 
   AlgebraicVector t(4);
   AlgebraicSymMatrix mat(5,0) ;
 
   // Fill the LocalTrajectoryParameters
   LocalPoint segPos=hit->localPosition();
   
   GlobalVector polar(GlobalVector::Spherical(hit->globalDirection().theta(),
                                              hit->globalDirection().phi(),
                                              1.));
   // Force all track downward for cosmic, not beam-halo
   if (hit->geographicalId().subdetId() == MuonSubdetId::DT && fabs(hit->globalDirection().eta()) < 4.0 && hit->globalDirection().phi() > 0 ) 
     polar = - polar;
 
   if (hit->geographicalId().subdetId() == MuonSubdetId::CSC && fabs(hit->globalDirection().eta()) > 2.3 ) {
     polar = - polar;
   }
 
   polar *=fabs(pt)/polar.perp();
 
   LocalVector segDir =hit->det()->toLocal(polar);
 
   int charge= 1;
   LocalTrajectoryParameters param(segPos,segDir, charge);
 
   charge= -1;
   LocalTrajectoryParameters param2(segPos,segDir, charge);
 
   mat = hit->parametersError().similarityT( hit->projectionMatrix() );
   
   float p_err = 0.2;
   mat[0][0]= p_err;
   
   LocalTrajectoryError error(mat);
   
   // Create the TrajectoryStateOnSurface
   TrajectoryStateOnSurface tsos(param, error, hit->det()->surface(), &*theField);
   TrajectoryStateOnSurface tsos2(param2, error, hit->det()->surface(), &*theField);
 
   LogTrace(category)<<"Trajectory State on Surface of Seed";
   LogTrace(category)<<"mom: "<<tsos.globalMomentum()<<" phi: "<<tsos.globalMomentum().phi();
   LogTrace(category)<<"pos: " << tsos.globalPosition(); 
   LogTrace(category) << "The RecSegment relies on: ";
   LogTrace(category) << dumper.dumpMuonId(hit->geographicalId());
 
   result.push_back( tsosToSeed(tsos, hit->geographicalId().rawId()) ); 
   result.push_back( tsosToSeed(tsos2, hit->geographicalId().rawId()) );
 
   return result;
 }

std::vector< TrajectorySeed > CosmicMuonSeedGenerator::createSeed	(	const MuonRecHitPair &	hitpair,
		const edm::EventSetup &	eSetup
	)		const

private

create TrajectorySeed from MuonRecHitPair

Definition at line 439 of file CosmicMuonSeedGenerator.cc.

References category(), DeDxDiscriminatorTools::charge(), MuonSubdetId::CSC, Geom::deltaPhi(), pat::helper::ParametrizationHelper::dimension(), MuonSubdetId::DT, MuonPatternRecoDumper::dumpMuonId(), ExpressReco_HICollisions_FallBack::e, error, CosmicMuonSeedGenerator::MuonRecHitPair::first, LogTrace, PV3DBase< T, PVType, FrameType >::perp(), ExpressReco_HICollisions_FallBack::pt, query::result, CosmicMuonSeedGenerator::MuonRecHitPair::second, matplotRender::t, and CosmicMuonSeedGenerator::MuonRecHitPair::type.

                                                                             {
    std::vector<TrajectorySeed> result; 
 
   const std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
   MuonPatternRecoDumper dumper;
   
   float dphi = deltaPhi((hitpair.first)->globalDirection().phi(), (hitpair.second)->globalDirection().phi());
 
   LogTrace(category)<<"hitpair.type "<<hitpair.type; 
 
   map<string, float>::const_iterator iterPar = theParameters.find(hitpair.type);
   if ( iterPar == theParameters.end() ) {
        return result;
   }
 
   // set the pt and charge by dphi
   int charge = (dphi > 0) ? -1 : 1;
 
   double pt = 999.0;
   float paraC = (iterPar->second);
 
   if (fabs(dphi) > 1e-5) {
     pt = paraC/fabs(dphi); 
   }
 
   if (pt < 10.0 ) { return result; } //still use the old strategy for low pt
 
   AlgebraicVector t(4);
   AlgebraicSymMatrix mat(5,0) ;
 
   MuonTransientTrackingRecHit::MuonRecHitPointer hit = hitpair.first;
   if ( hit->dimension() < (hitpair.second)->dimension() ) hit = hitpair.second;
 
   // Fill the LocalTrajectoryParameters
   LocalPoint segPos=hit->localPosition();
   
   GlobalVector polar(GlobalVector::Spherical(hit->globalDirection().theta(),
                                              hit->globalDirection().phi(),
                                              1.));
   // Force all track downward for cosmic, not beam-halo
   if (hit->geographicalId().subdetId() == MuonSubdetId::DT && fabs(hit->globalDirection().eta()) < 4.0 && hit->globalDirection().phi() > 0 ) 
     polar = - polar;
 
   if (hit->geographicalId().subdetId() == MuonSubdetId::CSC && fabs(hit->globalDirection().eta()) > 2.3 ) {
     polar = - polar;
   }
 
   polar *=fabs(pt)/polar.perp();
 
   LocalVector segDir =hit->det()->toLocal(polar);
 
   LocalTrajectoryParameters param(segPos,segDir, charge);
 
   mat = hit->parametersError().similarityT( hit->projectionMatrix() );
   
   float p_err = 0.004/paraC;
   if (pt < 10.01) p_err = 0.1; 
   mat[0][0]= p_err;
   
   LocalTrajectoryError error(mat);
   
   // Create the TrajectoryStateOnSurface
   TrajectoryStateOnSurface tsos(param, error, hit->det()->surface(), &*theField);
 
   LogTrace(category)<<"Trajectory State on Surface of Seed";
   LogTrace(category)<<"mom: "<<tsos.globalMomentum()<<" phi: "<<tsos.globalMomentum().phi();
   LogTrace(category)<<"pos: " << tsos.globalPosition(); 
   LogTrace(category) << "The RecSegment relies on: ";
   LogTrace(category) << dumper.dumpMuonId(hit->geographicalId());
 
   result.push_back( tsosToSeed(tsos, hit->geographicalId().rawId()) );
 
    return result;
 }

void CosmicMuonSeedGenerator::createSeeds	(	TrajectorySeedCollection &	results,
		const MuonTransientTrackingRecHit::MuonRecHitContainer &	hits,
		const edm::EventSetup &	eSetup
	)		const

private

generate TrajectorySeeds and put them into results

Definition at line 270 of file CosmicMuonSeedGenerator.cc.

References category(), and LogTrace.

                                                                              {
 
   const std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
   if (hits.size() == 0 || results.size() >= theMaxSeeds ) return;
   for (MuonRecHitContainer::const_iterator ihit = hits.begin(); ihit != hits.end(); ihit++) {
     const std::vector<TrajectorySeed>& sds = createSeed((*ihit),eSetup);
     LogTrace(category)<<"created seeds from rechit "<<sds.size();
     results.insert(results.end(),sds.begin(),sds.end());
     if ( results.size() >= theMaxSeeds ) break;
   }
   return;
 }

void CosmicMuonSeedGenerator::createSeeds	(	TrajectorySeedCollection &	results,
		const CosmicMuonSeedGenerator::MuonRecHitPairVector &	hits,
		const edm::EventSetup &	eSetup
	)		const

private

Definition at line 286 of file CosmicMuonSeedGenerator.cc.

References category(), and LogTrace.

                                                                              {
 
   const std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
   if (hitpairs.size() == 0 || results.size() >= theMaxSeeds ) return;
   for (CosmicMuonSeedGenerator::MuonRecHitPairVector::const_iterator ihitpair = hitpairs.begin(); ihitpair != hitpairs.end(); ihitpair++) {
     const std::vector<TrajectorySeed>& sds = createSeed((*ihitpair),eSetup);
     LogTrace(category)<<"created seeds from rechit "<<sds.size();
     results.insert(results.end(),sds.begin(),sds.end());
     if ( results.size() >= theMaxSeeds ) break;
   }
   return;
 }

bool CosmicMuonSeedGenerator::leftIsBetter	(	const MuonTransientTrackingRecHit::MuonRecHitPointer &	lhs,
		const MuonTransientTrackingRecHit::MuonRecHitPointer &	rhs
	)		const

private

compare quality of two rechits

Definition at line 396 of file CosmicMuonSeedGenerator.cc.

References ExpressReco_HICollisions_FallBack::chi2.

                                                                                   {
 
      if ( (lhs->degreesOfFreedom() > rhs->degreesOfFreedom() )  ||
           ( (lhs->degreesOfFreedom() == rhs->degreesOfFreedom() ) &&
             (lhs)->chi2() < (rhs)->chi2() ) )  return true;
      else return false;
 
 }

CosmicMuonSeedGenerator::MuonRecHitPairVector CosmicMuonSeedGenerator::makeSegPairs	(	const MuonTransientTrackingRecHit::MuonRecHitContainer &	hits1,
		const MuonTransientTrackingRecHit::MuonRecHitContainer &	hits2,
		std::string	tag
	)		const

private

Definition at line 408 of file CosmicMuonSeedGenerator.cc.

References category(), Geom::deltaPhi(), query::result, and GlobalPosition_Frontier_DevDB_cff::tag.

                                                                                                                                                                                    {
 
    MuonRecHitPairVector result;
   const std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
    if (hits1.empty() || hits2.empty()  )  return result;
 
    for (MuonRecHitContainer::const_iterator ihit1 = hits1.begin(); ihit1 != hits1.end(); ihit1++) {
      if ( !checkQuality(*ihit1) ) continue;
 
      for (MuonRecHitContainer::const_iterator ihit2 = hits2.begin(); ihit2 != hits2.end(); ihit2++) {
         if ( !checkQuality(*ihit2) ) continue;
 
         float dphi = deltaPhi((*ihit1)->globalPosition().phi(), (*ihit2)->globalPosition().phi());
         if ( dphi < 0.5 ) {
        if ((*ihit1)->globalPosition().y() > 0.0 && ( (*ihit1)->globalPosition().y()  > (*ihit2)->globalPosition().y() ) ) { 
               std::string tag2 = "top"+tag;
 
               result.push_back(MuonRecHitPair(*ihit1, *ihit2, tag2));
            } else if ((*ihit1)->globalPosition().y() < 0.0 && ( (*ihit1)->globalPosition().y()  < (*ihit2)->globalPosition().y() ) ) {
               std::string tag2 = "bottom"+tag;
               result.push_back(MuonRecHitPair(*ihit2, *ihit1, tag2));
 
            }
         }
      }
    }
 
    return result;
 }

void CosmicMuonSeedGenerator::produce	(	edm::Event &	event,
		const edm::EventSetup &	eSetup
	)

virtual

reconstruct muon's seeds

Implements edm::EDProducer.

Definition at line 90 of file CosmicMuonSeedGenerator.cc.

References category(), edm::EventSetup::get(), LogTrace, convertSQLitetoXML_cfg::output, MuonDetLayerMeasurements::recHits(), and MuonDetLayerMeasurements::setEvent().

                                                                                  {
 
   eSetup.get<IdealMagneticFieldRecord>().get(theField);
 
   auto_ptr<TrajectorySeedCollection> output(new TrajectorySeedCollection());
   
   TrajectorySeedCollection seeds;
  
   std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
   // Muon Geometry - DT, CSC and RPC 
   eSetup.get<MuonRecoGeometryRecord>().get(theMuonLayers);
 
   // get the DT layers
   vector<DetLayer*> dtLayers = theMuonLayers->allDTLayers();
 
   // get the CSC layers
   vector<DetLayer*> cscForwardLayers = theMuonLayers->forwardCSCLayers();
   vector<DetLayer*> cscBackwardLayers = theMuonLayers->backwardCSCLayers();
      
   MuonDetLayerMeasurements muonMeasurements(theDTRecSegmentLabel,theCSCRecSegmentLabel,
                         InputTag(),
                         theEnableDTFlag,theEnableCSCFlag,false);
 
   muonMeasurements.setEvent(event);
 
   MuonRecHitContainer allHits;
 
   vector<MuonRecHitContainer> RHMBs;
   vector<MuonRecHitContainer> RHMEFs;
   vector<MuonRecHitContainer> RHMEBs;
 
   stable_sort(allHits.begin(),allHits.end(),DecreasingGlobalY());
 
   for (vector<DetLayer*>::reverse_iterator icsclayer = cscForwardLayers.rbegin();
        icsclayer != cscForwardLayers.rend() - 1; ++icsclayer) {
        
        MuonRecHitContainer RHMF = muonMeasurements.recHits(*icsclayer);
        allHits.insert(allHits.end(),RHMF.begin(),RHMF.end());
 
   }
 
   for (vector<DetLayer*>::reverse_iterator icsclayer = cscBackwardLayers.rbegin();
        icsclayer != cscBackwardLayers.rend() - 1; ++icsclayer) {
 
        MuonRecHitContainer RHMF = muonMeasurements.recHits(*icsclayer);
        allHits.insert(allHits.end(),RHMF.begin(),RHMF.end());
 
   }
 
   for (vector<DetLayer*>::reverse_iterator idtlayer = dtLayers.rbegin();
        idtlayer != dtLayers.rend(); ++idtlayer) {
 
        MuonRecHitContainer RHMB = muonMeasurements.recHits(*idtlayer);
        RHMBs.push_back(RHMB);
 
        if ( idtlayer != dtLayers.rbegin() ) allHits.insert(allHits.end(),RHMB.begin(),RHMB.end());
 
   }
 
 //  stable_sort(allHits.begin(),allHits.end(),DecreasingGlobalY());
 
   LogTrace(category)<<"all RecHits: "<<allHits.size();
 
 //  CosmicMuonSeedGenerator::MuonRecHitPairVector mb41 = makeSegPairs(RHMBs[0], RHMBs[3], "mb41");
 //  createSeeds(seeds, mb41, eSetup);
 
 //  CosmicMuonSeedGenerator::MuonRecHitPairVector mb43 = makeSegPairs(RHMBs[0],RHMBs[1], "mb43");
 //  createSeeds(seeds, mb43, eSetup);
 
   CosmicMuonSeedGenerator::MuonRecHitPairVector mb42 = makeSegPairs(RHMBs[0],RHMBs[2], "mb42");
   createSeeds(seeds, mb42, eSetup);
 
 //  CosmicMuonSeedGenerator::MuonRecHitPairVector mb32 = makeSegPairs(RHMBs[1], RHMBs[2], "mb32");
 //  createSeeds(seeds, mb32, eSetup);
 
   CosmicMuonSeedGenerator::MuonRecHitPairVector mb31 = makeSegPairs(RHMBs[1], RHMBs[3], "mb31");
   createSeeds(seeds, mb31, eSetup);
 
 //  CosmicMuonSeedGenerator::MuonRecHitPairVector mb21 = makeSegPairs(RHMBs[2], RHMBs[3], "mb21");
 //  createSeeds(seeds, mb21, eSetup);
 
   if ( !allHits.empty() ) {
 
     MuonRecHitContainer goodhits = selectSegments(allHits);
     LogTrace(category)<<"good RecHits: "<<goodhits.size();
 
     if ( goodhits.empty() ) {
       LogTrace(category)<<"No qualified Segments in Event! ";
       LogTrace(category)<<"Use 2D RecHit";
 
       createSeeds(seeds,allHits,eSetup);
 
     } 
     else {
       createSeeds(seeds,goodhits,eSetup);
     }
   }
 
   LogTrace(category)<<"Seeds built: "<<seeds.size();
 
   for(std::vector<TrajectorySeed>::iterator seed = seeds.begin();
       seed != seeds.end(); ++seed) {
         output->push_back(*seed);
   }
 
   event.put(output);
   seeds.clear();
 
 }

MuonRecHitContainer CosmicMuonSeedGenerator::selectSegments ( const MuonTransientTrackingRecHit::MuonRecHitContainer & hits ) const

private

select seed candidates from Segments in Event

Definition at line 226 of file CosmicMuonSeedGenerator.cc.

References category(), and query::result.

                                                                                                  {
 
   MuonRecHitContainer result;
   const std::string category = "Muon|RecoMuon|CosmicMuonSeedGenerator";
 
   //Only select good quality Segments
   for (MuonRecHitContainer::const_iterator hit = hits.begin(); hit != hits.end(); hit++) {
     if ( checkQuality(*hit) ) result.push_back(*hit);
   }
 
   if ( result.size() < 2 ) return result;
 
   MuonRecHitContainer result2;
 
   //avoid selecting Segments with similar direction
   for (MuonRecHitContainer::iterator hit = result.begin(); hit != result.end(); hit++) {
     if (*hit == 0) continue;
     if ( !(*hit)->isValid() ) continue;
     bool good = true;
     GlobalVector dir1 = (*hit)->globalDirection();
     GlobalPoint pos1 = (*hit)->globalPosition();
     for (MuonRecHitContainer::iterator hit2 = hit + 1; hit2 != result.end(); hit2++) {
         if (*hit2 == 0) continue;
         if ( !(*hit2)->isValid() ) continue;
 
           //compare direction and position
         GlobalVector dir2 = (*hit2)->globalDirection();
         GlobalPoint pos2 = (*hit2)->globalPosition();
         if ( !areCorrelated((*hit),(*hit2)) ) continue;
 
         if ( !leftIsBetter((*hit),(*hit2)) ) { 
           good = false;
         } else (*hit2) = 0;
     }
 
     if ( good ) result2.push_back(*hit);
   }
 
   result.clear();
 
   return result2;
 
 }

TrajectorySeed CosmicMuonSeedGenerator::tsosToSeed	(	const TrajectoryStateOnSurface &	tsos,
		uint32_t	id
	)		const

private

Definition at line 516 of file CosmicMuonSeedGenerator.cc.

References alongMomentum.

                                                                                                           {
 
   PTrajectoryStateOnDet *seedTSOS =
     theTSTransform->persistentState(tsos, id);
 
   edm::OwnVector<TrackingRecHit> container;
   TrajectorySeed seed(*seedTSOS,container,alongMomentum);
   delete seedTSOS;
   return seed;
 }

Member Data Documentation

edm::InputTag CosmicMuonSeedGenerator::theCSCRecSegmentLabel

private

the name of the CSC rec hits collection

Definition at line 108 of file CosmicMuonSeedGenerator.h.

edm::InputTag CosmicMuonSeedGenerator::theDTRecSegmentLabel

private

the name of the DT rec hits collection

Definition at line 105 of file CosmicMuonSeedGenerator.h.

bool CosmicMuonSeedGenerator::theEnableCSCFlag

private

enable CSCSegment Flag

Definition at line 102 of file CosmicMuonSeedGenerator.h.

bool CosmicMuonSeedGenerator::theEnableDTFlag

private

enable DT Segment Flag

Definition at line 99 of file CosmicMuonSeedGenerator.h.

edm::ESHandle<MagneticField> CosmicMuonSeedGenerator::theField

private

Definition at line 117 of file CosmicMuonSeedGenerator.h.

double CosmicMuonSeedGenerator::theMaxCSCChi2

private

Definition at line 115 of file CosmicMuonSeedGenerator.h.

double CosmicMuonSeedGenerator::theMaxDTChi2

private

the maximum chi2 required for dt and csc rechits

Definition at line 114 of file CosmicMuonSeedGenerator.h.

unsigned int CosmicMuonSeedGenerator::theMaxSeeds

private

the maximum number of Seeds

Definition at line 111 of file CosmicMuonSeedGenerator.h.

edm::ESHandle<MuonDetLayerGeometry> CosmicMuonSeedGenerator::theMuonLayers

private

Definition at line 116 of file CosmicMuonSeedGenerator.h.

std::map<std::string, float> CosmicMuonSeedGenerator::theParameters

private

Definition at line 121 of file CosmicMuonSeedGenerator.h.

TrajectoryStateTransform* CosmicMuonSeedGenerator::theTSTransform

private

Definition at line 119 of file CosmicMuonSeedGenerator.h.

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Private Types

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