|
|
|
#include <TrackerSeedCleaner.h>
Public Types | |
| typedef std::vector < TrajectorySeed > | tkSeeds |
Public Member Functions | |
| virtual void | clean (const reco::TrackRef &, const RectangularEtaPhiTrackingRegion ®ion, tkSeeds &) |
| the cleaner | |
| virtual void | init (const MuonServiceProxy *service) |
| intizialization | |
| virtual void | setEvent (const edm::Event &) |
| setEvent | |
| TrackerSeedCleaner (const edm::ParameterSet &pset) | |
| constructor | |
| virtual | ~TrackerSeedCleaner () |
| destructor | |
Private Attributes | |
| edm::Handle< reco::BeamSpot > | bsHandle_ |
| std::string | builderName_ |
| bool | cleanBySharedHits |
| edm::InputTag | theBeamSpotTag |
| const edm::Event * | theEvent |
| const MuonServiceProxy * | theProxyService |
| RedundantSeedCleaner * | theRedundantCleaner |
| edm::ESHandle < TransientTrackingRecHitBuilder > | theTTRHBuilder |
| bool | useDirection_Cleaner |
| bool | usePt_Cleaner |
Seeds Cleaner based on direction
Definition at line 35 of file TrackerSeedCleaner.h.
| typedef std::vector<TrajectorySeed> TrackerSeedCleaner::tkSeeds |
Definition at line 39 of file TrackerSeedCleaner.h.
| TrackerSeedCleaner::TrackerSeedCleaner | ( | const edm::ParameterSet & | pset | ) | [inline] |
constructor
Definition at line 41 of file TrackerSeedCleaner.h.
References builderName_, cleanBySharedHits, edm::ParameterSet::getParameter(), theBeamSpotTag, useDirection_Cleaner, and usePt_Cleaner.
: theProxyService(0),theEvent(0) { builderName_ = pset.getParameter<std::string>("TTRHBuilder"); theBeamSpotTag = pset.getParameter<edm::InputTag>("beamSpot"); useDirection_Cleaner = pset.getParameter<bool>("directionCleaner"); usePt_Cleaner = pset.getParameter<bool>("ptCleaner"); cleanBySharedHits = pset.getParameter<bool>("cleanerFromSharedHits"); }
| virtual TrackerSeedCleaner::~TrackerSeedCleaner | ( | ) | [inline, virtual] |
| void TrackerSeedCleaner::clean | ( | const reco::TrackRef & | muR, |
| const RectangularEtaPhiTrackingRegion & | region, | ||
| tkSeeds & | seeds | ||
| ) | [virtual] |
the cleaner
Definition at line 63 of file TrackerSeedCleaner.cc.
References Geom::deltaPhi(), TrackingRegionBase::direction(), PV3DBase< T, PVType, FrameType >::eta(), MuonErrorMatrixValues_cff::etaRange, RectangularEtaPhiTrackingRegion::etaRange(), TrajectoryStateOnSurface::freeState(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateClosestToBeamLine::isValid(), LogDebug, FreeTrajectoryState::momentum(), PV3DBase< T, PVType, FrameType >::perp(), PV3DBase< T, PVType, FrameType >::phi(), RectangularEtaPhiTrackingRegion::phiMargin(), FreeTrajectoryState::position(), TrackingRegionBase::ptMin(), ExpressReco_HICollisions_FallBack::ptMin, query::result, TrajectoryStateClosestToBeamLine::trackStateAtPCA(), TrajectoryStateTransform::transientState(), PV3DBase< T, PVType, FrameType >::x(), reco::BeamSpot::x0(), PV3DBase< T, PVType, FrameType >::y(), reco::BeamSpot::y0(), PV3DBase< T, PVType, FrameType >::z(), and reco::BeamSpot::z0().
Referenced by TSGFromL2Muon::produce().
{
// call the shared input cleaner
if(cleanBySharedHits) theRedundantCleaner->define(seeds);
theProxyService->eventSetup().get<TransientRecHitRecord>().get(builderName_,theTTRHBuilder);
LogDebug("TrackerSeedCleaner")<<seeds.size()<<" trajectory seeds to the events before cleaning"<<endl;
//check the validity otherwise vertexing
const reco::BeamSpot & bs = *bsHandle_;
/*reco track and seeds as arguments. Seeds eta and phi are checked and
based on deviation from L2 eta and phi seed is accepted or not*/
std::vector<TrajectorySeed > result;
TrajectoryStateTransform tsTransform;
TSCBLBuilderNoMaterial tscblBuilder;
// PerigeeConversions tspConverter;
for(TrajectorySeedCollection::iterator seed = seeds.begin(); seed<seeds.end(); ++seed){
if(seed->nHits() < 2) continue;
//get parameters and errors from the seed state
TransientTrackingRecHit::RecHitPointer recHit = theTTRHBuilder->build(&*(seed->recHits().second-1));
TrajectoryStateOnSurface state = tsTransform.transientState( seed->startingState(), recHit->surface(), theProxyService->magneticField().product());
TrajectoryStateClosestToBeamLine tsAtClosestApproachSeed = tscblBuilder(*state.freeState(),bs);//as in TrackProducerAlgorithms
if (!tsAtClosestApproachSeed.isValid()) continue;
GlobalPoint vSeed1 = tsAtClosestApproachSeed.trackStateAtPCA().position();
GlobalVector pSeed = tsAtClosestApproachSeed.trackStateAtPCA().momentum();
GlobalPoint vSeed(vSeed1.x()-bs.x0(),vSeed1.y()-bs.y0(),vSeed1.z()-bs.z0());
//eta,phi info from seeds
double etaSeed = state.globalMomentum().eta();
double phiSeed = pSeed.phi();
//if the limits are too stringent rescale limits
typedef PixelRecoRange< float > Range;
typedef TkTrackingRegionsMargin< float > Margin;
Range etaRange = region.etaRange();
double etaLimit = (fabs(fabs(etaRange.max()) - fabs(etaRange.mean())) <0.1) ? 0.1 : fabs(fabs(etaRange.max()) - fabs(etaRange.mean())) ;
Margin phiMargin = region.phiMargin();
double phiLimit = (phiMargin.right() < 0.1 ) ? 0.1 : phiMargin.right();
double ptSeed = pSeed.perp();
double ptMin = (region.ptMin()>3.5) ? 3.5: region.ptMin();
// Clean
bool inEtaRange = etaSeed >= (etaRange.mean() - etaLimit) && etaSeed <= (etaRange.mean() + etaLimit) ;
bool inPhiRange = (fabs(deltaPhi(phiSeed,double(region.direction().phi()))) < phiLimit );
// pt cleaner
bool inPtRange = ptSeed >= ptMin && ptSeed<= 2*(muR->pt());
// save efficiency don't clean triplets with pt cleaner
if(seed->nHits()==3) inPtRange = true;
// use pt and angle cleaners
if(inPtRange && usePt_Cleaner && !useDirection_Cleaner) {
result.push_back(*seed);
LogDebug("TrackerSeedCleaner")<<" Keeping the seed : this seed passed pt selection";
}
// use only angle default option
if( inEtaRange && inPhiRange && !usePt_Cleaner && useDirection_Cleaner) {
result.push_back(*seed);
LogDebug("TrackerSeedCleaner")<<" Keeping the seed : this seed passed direction selection";
}
// use all the cleaners
if( inEtaRange && inPhiRange && inPtRange && usePt_Cleaner && useDirection_Cleaner) {
result.push_back(*seed);
LogDebug("TrackerSeedCleaner")<<" Keeping the seed : this seed passed direction and pt selection";
}
LogDebug("TrackerSeedCleaner")<<" eta for current seed "<<etaSeed<<"\n"
<<" phi for current seed "<<phiSeed<<"\n"
<<" eta for L2 track "<<muR->eta()<<"\n"
<<" phi for L2 track "<<muR->phi()<<"\n";
}
//the new seeds collection
if(result.size()!=0 && (useDirection_Cleaner || usePt_Cleaner)) seeds.swap(result);
LogDebug("TrackerSeedCleaner")<<seeds.size()<<" trajectory seeds to the events after cleaning"<<endl;
return;
}
| void TrackerSeedCleaner::init | ( | const MuonServiceProxy * | service | ) | [virtual] |
intizialization
Definition at line 45 of file TrackerSeedCleaner.cc.
References ExpressReco_HICollisions_FallBack::RedundantSeedCleaner.
Referenced by TSGFromL2Muon::beginRun().
{
theProxyService = service;
theRedundantCleaner = new RedundantSeedCleaner();
}
| void TrackerSeedCleaner::setEvent | ( | const edm::Event & | event | ) | [virtual] |
setEvent
Definition at line 55 of file TrackerSeedCleaner.cc.
Referenced by TSGFromL2Muon::produce().
{
event.getByLabel(theBeamSpotTag, bsHandle_);
}
Definition at line 65 of file TrackerSeedCleaner.h.
std::string TrackerSeedCleaner::builderName_ [private] |
Definition at line 69 of file TrackerSeedCleaner.h.
Referenced by TrackerSeedCleaner().
bool TrackerSeedCleaner::cleanBySharedHits [private] |
Definition at line 71 of file TrackerSeedCleaner.h.
Referenced by TrackerSeedCleaner().
Definition at line 64 of file TrackerSeedCleaner.h.
Referenced by TrackerSeedCleaner().
const edm::Event* TrackerSeedCleaner::theEvent [private] |
Definition at line 62 of file TrackerSeedCleaner.h.
const MuonServiceProxy* TrackerSeedCleaner::theProxyService [private] |
Definition at line 61 of file TrackerSeedCleaner.h.
Definition at line 67 of file TrackerSeedCleaner.h.
Definition at line 70 of file TrackerSeedCleaner.h.
bool TrackerSeedCleaner::useDirection_Cleaner [private] |
Definition at line 71 of file TrackerSeedCleaner.h.
Referenced by TrackerSeedCleaner().
bool TrackerSeedCleaner::usePt_Cleaner [private] |
Definition at line 71 of file TrackerSeedCleaner.h.
Referenced by TrackerSeedCleaner().
1.7.3