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MuonSeedCleaner Class Reference

#include <MuonSeedCleaner.h>

Public Types

typedef std::deque< bool > BoolContainer
 
typedef MuonTransientTrackingRecHit::MuonRecHitContainer SegmentContainer
 

Public Member Functions

 MuonSeedCleaner (const edm::ParameterSet &)
 Constructor. More...
 
int NRecHitsFromSegment (const TrackingRecHit &rhit)
 
int NRecHitsFromSegment (MuonTransientTrackingRecHit *rhit)
 
std::vector< TrajectorySeedseedCleaner (const edm::EventSetup &eventSetup, std::vector< TrajectorySeed > &seeds)
 Cache pointer to geometry. More...
 
 ~MuonSeedCleaner ()
 Destructor. More...
 

Public Attributes

std::vector< int > badSeedLayer
 

Private Member Functions

TrajectorySeed BiggerCone (std::vector< TrajectorySeed > &seeds)
 select the seed with bigger projection cone to next layer More...
 
TrajectorySeed Chi2LengthSelection (std::vector< TrajectorySeed > &seeds)
 select seed by balance length and chi2 More...
 
std::vector< SeedContainerGroupSeeds (std::vector< TrajectorySeed > &seeds)
 group the seeds More...
 
TrajectorySeed LeanHighMomentum (std::vector< TrajectorySeed > &seeds)
 select the highest momentum pt seed More...
 
SeedContainer LengthFilter (std::vector< TrajectorySeed > &seeds)
 
bool MomentumFilter (std::vector< TrajectorySeed > &seeds)
 filter out the bad pt seeds, if all are bad pt seeds then keep all More...
 
TrajectorySeed MoreRecHits (std::vector< TrajectorySeed > &seeds)
 select the seed with more rechits More...
 
double NChi2OfSegment (const TrackingRecHit &rhit)
 retrieve number of rechits& normalized chi2 of associated segments of a seed More...
 
unsigned int OverlapSegments (const TrajectorySeed &seed1, const TrajectorySeed &seed2)
 check overlapping segment for seeds More...
 
SeedContainer SeedCandidates (std::vector< TrajectorySeed > &seeds, bool good)
 pick the seeds w/ 1st layer information and w/ more than 1 segments More...
 
double SeedChi2 (const TrajectorySeed &seed)
 
int SeedLength (const TrajectorySeed &seed)
 
GlobalVector SeedMomentum (const TrajectorySeed &seed)
 retrieve seed global momentum More...
 
GlobalPoint SeedPosition (const TrajectorySeed &seed)
 retrieve seed global position More...
 

Private Attributes

bool debug
 
std::vector< int > ShoweringLayers
 
SegmentContainer ShoweringSegments
 
MuonServiceProxytheService
 

Detailed Description

Algorith to clean duplicate seeds and select a right one

author: Shih-Chuan Kao - UCR

Definition at line 27 of file MuonSeedCleaner.h.

Member Typedef Documentation

typedef std::deque<bool> MuonSeedCleaner::BoolContainer

Definition at line 33 of file MuonSeedCleaner.h.

Definition at line 32 of file MuonSeedCleaner.h.

Constructor & Destructor Documentation

MuonSeedCleaner::MuonSeedCleaner ( const edm::ParameterSet pset)
explicit

Constructor.

Definition at line 49 of file MuonSeedCleaner.cc.

References debug, edm::ParameterSet::getParameter(), MuonServiceProxy_cff::MuonServiceProxy, and theService.

49  {
50 
51  // Local Debug flag
52  debug = pset.getParameter<bool>("DebugMuonSeed");
53 
54  // muon service
55  edm::ParameterSet serviceParameters = pset.getParameter<edm::ParameterSet>("ServiceParameters");
56  theService = new MuonServiceProxy(serviceParameters);
57 
58 }
T getParameter(std::string const &) const
MuonServiceProxy * theService
MuonSeedCleaner::~MuonSeedCleaner ( )

Destructor.

Definition at line 63 of file MuonSeedCleaner.cc.

References theService.

63  {
64 
65  if (theService) delete theService;
66 }
MuonServiceProxy * theService

Member Function Documentation

TrajectorySeed MuonSeedCleaner::BiggerCone ( std::vector< TrajectorySeed > &  seeds)
private

select the seed with bigger projection cone to next layer

Definition at line 171 of file MuonSeedCleaner.cc.

References mps_fire::i, NRecHitsFromSegment(), diffTwoXMLs::r1, and mathSSE::sqrt().

Referenced by seedCleaner().

171  {
172 
173  if ( seeds.size() == 1 ) return seeds[0];
174 
175  float biggerProjErr = 9999.;
176  int winner = 0 ;
177  AlgebraicSymMatrix mat(5,0) ;
178  for ( size_t i = 0; i < seeds.size(); i++ ) {
179 
180  edm::OwnVector<TrackingRecHit>::const_iterator r1 = seeds[i].recHits().first ;
181  mat = r1->parametersError().similarityT( r1->projectionMatrix() );
182 
183  int NRecHits = NRecHitsFromSegment( *r1 );
184 
185  float ddx = mat[1][1];
186  float ddy = mat[2][2];
187  float dxx = mat[3][3];
188  float dyy = mat[4][4];
189  float projectErr = sqrt( (ddx*10000.) + (ddy*10000.) + dxx + dyy ) ;
190 
191  if ( NRecHits < 5 ) continue ;
192  if ( projectErr < biggerProjErr ) continue;
193 
194  winner = static_cast<int>(i) ;
195  biggerProjErr = projectErr ;
196  }
197  TrajectorySeed theSeed = seeds[winner];
198  seeds.erase( seeds.begin()+winner );
199  return theSeed;
200 
201 }
T sqrt(T t)
Definition: SSEVec.h:18
int NRecHitsFromSegment(const TrackingRecHit &rhit)
CLHEP::HepSymMatrix AlgebraicSymMatrix
TrajectorySeed MuonSeedCleaner::Chi2LengthSelection ( std::vector< TrajectorySeed > &  seeds)
private

select seed by balance length and chi2

Definition at line 131 of file MuonSeedCleaner.cc.

References mps_fire::i, and SeedChi2().

Referenced by seedCleaner().

131  {
132 
133  if ( seeds.size() == 1 ) return seeds[0];
134 
135  int winner = 0 ;
136  int moreHits = 0 ;
137  double bestChi2 = 99999.;
138  for ( size_t i = 0; i < seeds.size(); i++ ) {
139 
140  // 1. fill out the Nchi2 of segments of the seed
141  //GlobalVector mom = SeedMomentum( seeds[i] ); // temporary use for debugging
142  //double pt = sqrt( (mom.x()*mom.x()) + (mom.y()*mom.y()) );
143  //std::cout<<" > SEED"<<i<<" pt:"<<pt<< std::endl;
144 
145  double theChi2 = SeedChi2( seeds[i] );
146  double dChi2 = fabs( 1. - (theChi2 / bestChi2)) ;
147  int theHits = seeds[i].nHits() ;
148  int dHits = theHits - moreHits ;
149  //std::cout<<" ----- "<<std::endl;
150 
151  // 2. better chi2
152  if ( theChi2 < bestChi2 && dChi2 > 0.05 ) {
153  winner = static_cast<int>(i) ;
154  bestChi2 = theChi2 ;
155  moreHits = theHits ;
156  }
157  // 3. if chi2 is not much better, pick more rechits one
158  if ( theChi2 >= bestChi2 && dChi2 < 0.05 && dHits > 0 ) {
159  winner = static_cast<int>(i) ;
160  bestChi2 = theChi2 ;
161  moreHits = theHits ;
162  }
163 
164  }
165  //std::cout<<" Winner is "<< winner <<std::endl;
166  TrajectorySeed theSeed = seeds[winner];
167  seeds.erase( seeds.begin()+winner );
168  return theSeed;
169 }
double SeedChi2(const TrajectorySeed &seed)
std::vector< SeedContainer > MuonSeedCleaner::GroupSeeds ( std::vector< TrajectorySeed > &  seeds)
private

group the seeds

Definition at line 345 of file MuonSeedCleaner.cc.

References cuy::dh, PV3DBase< T, PVType, FrameType >::eta(), mps_fire::i, lengthSorting(), OverlapSegments(), PV3DBase< T, PVType, FrameType >::phi(), lowPtGsfElectronSeeds_cfi::seedCollection, SeedPosition(), jetUpdater_cfi::sort, mathSSE::sqrt(), and funct::true.

Referenced by seedCleaner().

345  {
346 
347  std::vector<SeedContainer> seedCollection;
348  seedCollection.clear();
349  std::vector<TrajectorySeed> theGroup ;
350  std::vector<bool> usedSeed(seeds.size(),false);
351 
352  // categorize seeds by comparing overlapping segments or a certian eta-phi cone
353  for (size_t i= 0; i<seeds.size(); i++){
354 
355  if (usedSeed[i]) continue;
356  theGroup.push_back( seeds[i] );
357  usedSeed[i] = true ;
358 
359  GlobalPoint pos1 = SeedPosition( seeds[i] );
360 
361  for (size_t j= i+1; j<seeds.size(); j++){
362 
363  // 1.1 seeds with overlaaping segments will be grouped together
364  unsigned int overlapping = OverlapSegments(seeds[i], seeds[j]) ;
365  if ( !usedSeed[j] && overlapping > 0 ) {
366  // reject the identical seeds
367  if ( seeds[i].nHits() == overlapping && seeds[j].nHits() == overlapping ) {
368  usedSeed[j] = true ;
369  continue;
370  }
371  theGroup.push_back( seeds[j] );
372  usedSeed[j] = true ;
373  }
374  if (usedSeed[j]) continue;
375 
376  // 1.2 seeds in a certain cone are grouped together
377  GlobalPoint pos2 = SeedPosition( seeds[j]);
378  double dh = pos1.eta() - pos2.eta() ;
379  double df = pos1.phi() - pos2.phi() ;
380  double dR = sqrt( (dh*dh) + (df*df) );
381 
382  if ( dR > 0.3 && seeds[j].nHits() == 1) continue;
383  if ( dR > 0.2 && seeds[j].nHits() > 1) continue;
384  theGroup.push_back( seeds[j] );
385  usedSeed[j] = true ;
386  }
387  sort(theGroup.begin(), theGroup.end(), lengthSorting ) ;
388  seedCollection.push_back(theGroup);
389  //std::cout<<" group "<<seedCollection.size() <<" w/"<< theGroup.size() <<" seeds"<<std::endl;
390  theGroup.clear();
391  }
392  return seedCollection;
393 
394 }
static bool lengthSorting(const TrajectorySeed &s1, const TrajectorySeed &s2)
Geom::Phi< T > phi() const
Definition: PV3DBase.h:69
GlobalPoint SeedPosition(const TrajectorySeed &seed)
retrieve seed global position
unsigned int OverlapSegments(const TrajectorySeed &seed1, const TrajectorySeed &seed2)
check overlapping segment for seeds
T sqrt(T t)
Definition: SSEVec.h:18
T eta() const
Definition: PV3DBase.h:76
dh
Definition: cuy.py:355
TrajectorySeed MuonSeedCleaner::LeanHighMomentum ( std::vector< TrajectorySeed > &  seeds)
private

select the highest momentum pt seed

Definition at line 203 of file MuonSeedCleaner.cc.

References mps_fire::i, EnergyCorrector::pt, SeedMomentum(), mathSSE::sqrt(), PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by seedCleaner().

203  {
204 
205  if ( seeds.size() == 1 ) return seeds[0];
206 
207  double highestPt = 0. ;
208  int winner = 0 ;
209  for ( size_t i = 0; i < seeds.size(); i++ ) {
210  GlobalVector mom = SeedMomentum( seeds[i] );
211  double pt = sqrt( (mom.x()*mom.x()) + (mom.y()*mom.y()) );
212  if ( pt > highestPt ) {
213  winner = static_cast<int>(i) ;
214  highestPt = pt ;
215  }
216  }
217  TrajectorySeed theSeed = seeds[winner];
218  seeds.erase( seeds.begin()+winner );
219  return theSeed;
220 
221 }
T y() const
Definition: PV3DBase.h:63
T sqrt(T t)
Definition: SSEVec.h:18
GlobalVector SeedMomentum(const TrajectorySeed &seed)
retrieve seed global momentum
T x() const
Definition: PV3DBase.h:62
SeedContainer MuonSeedCleaner::LengthFilter ( std::vector< TrajectorySeed > &  seeds)
private

pick the seed by better parameter error collect long seeds

Definition at line 256 of file MuonSeedCleaner.cc.

References mps_fire::i.

256  {
257 
258  SeedContainer longSeeds;
259  int NSegs = 0;
260  for (size_t i = 0; i< seeds.size(); i++) {
261 
262  int theLength = static_cast<int>( seeds[i].nHits());
263  if ( theLength > NSegs ) {
264  NSegs = theLength ;
265  longSeeds.clear();
266  longSeeds.push_back( seeds[i] );
267  }
268  else if ( theLength == NSegs ) {
269  longSeeds.push_back( seeds[i] );
270  } else {
271  continue;
272  }
273  }
274  //std::cout<<" final Length :"<<NSegs<<std::endl;
275 
276  return longSeeds ;
277 
278 }
std::vector< TrajectorySeed > SeedContainer
bool MuonSeedCleaner::MomentumFilter ( std::vector< TrajectorySeed > &  seeds)
private

filter out the bad pt seeds, if all are bad pt seeds then keep all

Definition at line 281 of file MuonSeedCleaner.cc.

References mps_fire::i, EnergyCorrector::pt, SeedMomentum(), mathSSE::sqrt(), PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by seedCleaner().

281  {
282 
283  bool findgoodMomentum = false;
284  SeedContainer goodMomentumSeeds = seeds;
285  seeds.clear();
286  for ( size_t i = 0; i < goodMomentumSeeds.size(); i++ ) {
287  GlobalVector mom = SeedMomentum( goodMomentumSeeds[i] );
288  double pt = sqrt( (mom.x()*mom.x()) + (mom.y()*mom.y()) );
289  if ( pt < 6. || pt > 2000. ) continue;
290  //if ( pt < 6. ) continue;
291  //std::cout<<" passed momentum :"<< pt <<std::endl;
292  seeds.push_back( goodMomentumSeeds[i] );
293  findgoodMomentum = true;
294  }
295  if ( seeds.empty() ) seeds = goodMomentumSeeds;
296 
297  return findgoodMomentum;
298 }
T y() const
Definition: PV3DBase.h:63
T sqrt(T t)
Definition: SSEVec.h:18
GlobalVector SeedMomentum(const TrajectorySeed &seed)
retrieve seed global momentum
std::vector< TrajectorySeed > SeedContainer
T x() const
Definition: PV3DBase.h:62
TrajectorySeed MuonSeedCleaner::MoreRecHits ( std::vector< TrajectorySeed > &  seeds)
private

select the seed with more rechits

Definition at line 224 of file MuonSeedCleaner.cc.

References mps_fire::i, NRecHitsFromSegment(), diffTwoXMLs::r1, and SeedChi2().

Referenced by seedCleaner().

224  {
225 
226  if ( seeds.size() == 1 ) return seeds[0];
227 
228  int winner = 0 ;
229  int moreHits = 0 ;
230  double betterChi2 = 99999.;
231  for ( size_t i = 0; i < seeds.size(); i++ ) {
232 
233  int theHits = 0;
234  for (edm::OwnVector<TrackingRecHit>::const_iterator r1 = seeds[i].recHits().first; r1 != seeds[i].recHits().second; r1++){
235  theHits += NRecHitsFromSegment( *r1 );
236  }
237 
238  double theChi2 = SeedChi2( seeds[i] );
239 
240  if ( theHits == moreHits && theChi2 < betterChi2 ) {
241  betterChi2 = theChi2;
242  winner = static_cast<int>(i) ;
243  }
244  if ( theHits > moreHits ) {
245  moreHits = theHits ;
246  betterChi2 = theChi2;
247  winner = static_cast<int>(i) ;
248  }
249  }
250  TrajectorySeed theSeed = seeds[winner];
251  seeds.erase( seeds.begin()+winner );
252  return theSeed;
253 }
double SeedChi2(const TrajectorySeed &seed)
int NRecHitsFromSegment(const TrackingRecHit &rhit)
double MuonSeedCleaner::NChi2OfSegment ( const TrackingRecHit rhit)
private

retrieve number of rechits& normalized chi2 of associated segments of a seed

Definition at line 527 of file MuonSeedCleaner.cc.

References TrackingRecHit::clone(), TrackingRecHit::geographicalId(), GlobalTrackingGeometry::idToDet(), MuonTransientTrackingRecHit::specificBuild(), theService, and MuonServiceProxy::trackingGeometry().

Referenced by SeedChi2().

527  {
528 
529  double NChi2 = 999999. ;
530  const GeomDet* gdet = theService->trackingGeometry()->idToDet( rhit.geographicalId() );
533 
534  double dof = static_cast<double>( theSeg->degreesOfFreedom() );
535  NChi2 = theSeg->chi2() / dof ;
536  //std::cout<<" Chi2 = "<< NChi2 <<" |" ;
537 
538  return NChi2 ;
539 }
MuonServiceProxy * theService
std::shared_ptr< MuonTransientTrackingRecHit > MuonRecHitPointer
virtual TrackingRecHit * clone() const =0
edm::ESHandle< GlobalTrackingGeometry > trackingGeometry() const
get the tracking geometry
const GeomDet * idToDet(DetId) const override
DetId geographicalId() const
static MuonRecHitPointer specificBuild(const GeomDet *geom, const TrackingRecHit *rh)
int MuonSeedCleaner::NRecHitsFromSegment ( const TrackingRecHit rhit)

Definition at line 481 of file MuonSeedCleaner.cc.

References TrackingRecHit::clone(), MuonSubdetId::CSC, MuonSubdetId::DT, GeomDet::geographicalId(), TrackingRecHit::geographicalId(), GlobalTrackingGeometry::idToDet(), findQualityFiles::size, MuonTransientTrackingRecHit::specificBuild(), theService, and MuonServiceProxy::trackingGeometry().

Referenced by BiggerCone(), MuonSeedBuilder::foundMatchingSegment(), MuonSeedBuilder::IdentifyShowering(), MoreRecHits(), and SeedLength().

481  {
482 
483  int NRechits = 0 ;
484  const GeomDet* gdet = theService->trackingGeometry()->idToDet( rhit.geographicalId() );
487 
488  DetId geoId = gdet->geographicalId();
489  if ( geoId.subdetId() == MuonSubdetId::DT ) {
490  DTChamberId DT_Id( rhit.geographicalId() );
491  std::vector<TrackingRecHit*> DThits = theSeg->recHits();
492  int dt1DHits = 0;
493  for (size_t j=0; j< DThits.size(); j++) {
494  dt1DHits += (DThits[j]->recHits()).size();
495  }
496  NRechits = dt1DHits ;
497  }
498 
499  if ( geoId.subdetId() == MuonSubdetId::CSC ) {
500  NRechits = (theSeg->recHits()).size() ;
501  }
502  return NRechits ;
503 }
size
Write out results.
MuonServiceProxy * theService
std::shared_ptr< MuonTransientTrackingRecHit > MuonRecHitPointer
virtual TrackingRecHit * clone() const =0
DetId geographicalId() const
The label of this GeomDet.
Definition: GeomDet.h:79
Definition: DetId.h:18
edm::ESHandle< GlobalTrackingGeometry > trackingGeometry() const
get the tracking geometry
const GeomDet * idToDet(DetId) const override
DetId geographicalId() const
static constexpr int DT
Definition: MuonSubdetId.h:12
static constexpr int CSC
Definition: MuonSubdetId.h:13
static MuonRecHitPointer specificBuild(const GeomDet *geom, const TrackingRecHit *rh)
int MuonSeedCleaner::NRecHitsFromSegment ( MuonTransientTrackingRecHit rhit)

Definition at line 505 of file MuonSeedCleaner.cc.

References MuonSubdetId::CSC, MuonSubdetId::DT, TrackingRecHit::geographicalId(), GenericTransientTrackingRecHit::recHits(), findQualityFiles::size, and DetId::subdetId().

505  {
506 
507  int NRechits = 0 ;
508  DetId geoId = rhit->geographicalId();
509  if ( geoId.subdetId() == MuonSubdetId::DT ) {
510  DTChamberId DT_Id( geoId );
511  std::vector<TrackingRecHit*> DThits = rhit->recHits();
512  int dt1DHits = 0;
513  for (size_t j=0; j< DThits.size(); j++) {
514  dt1DHits += (DThits[j]->recHits()).size();
515  }
516  NRechits = dt1DHits ;
517  //std::cout<<" D_rh("<< dt1DHits <<") " ;
518  }
519  if ( geoId.subdetId() == MuonSubdetId::CSC ) {
520  NRechits = (rhit->recHits()).size() ;
521  //std::cout<<" C_rh("<<(rhit->recHits()).size() <<") " ;
522  }
523  return NRechits;
524 
525 }
size
Write out results.
constexpr int subdetId() const
get the contents of the subdetector field (not cast into any detector&#39;s numbering enum) ...
Definition: DetId.h:41
std::vector< const TrackingRecHit * > recHits() const override
Access to component RecHits (if any)
Definition: DetId.h:18
DetId geographicalId() const
static constexpr int DT
Definition: MuonSubdetId.h:12
static constexpr int CSC
Definition: MuonSubdetId.h:13
unsigned int MuonSeedCleaner::OverlapSegments ( const TrajectorySeed seed1,
const TrajectorySeed seed2 
)
private

check overlapping segment for seeds

Definition at line 396 of file MuonSeedCleaner.cc.

References PVValHelper::dx, PVValHelper::dy, PVValHelper::dz, globals_cff::id1, globals_cff::id2, GlobalTrackingGeometry::idToDet(), diffTwoXMLs::r1, diffTwoXMLs::r2, TrajectorySeed::recHits(), mathSSE::sqrt(), theService, GeomDet::toGlobal(), MuonServiceProxy::trackingGeometry(), PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by GroupSeeds().

396  {
397 
398  unsigned int overlapping = 0;
399  for (edm::OwnVector<TrackingRecHit>::const_iterator r1 = seed1.recHits().first; r1 != seed1.recHits().second; r1++){
400 
401  DetId id1 = (*r1).geographicalId();
402  const GeomDet* gdet1 = theService->trackingGeometry()->idToDet( id1 );
403  GlobalPoint gp1 = gdet1->toGlobal( (*r1).localPosition() );
404 
405  for (edm::OwnVector<TrackingRecHit>::const_iterator r2 = seed2.recHits().first; r2 != seed2.recHits().second; r2++){
406 
407  DetId id2 = (*r2).geographicalId();
408  if (id1 != id2 ) continue;
409 
410  const GeomDet* gdet2 = theService->trackingGeometry()->idToDet( id2 );
411  GlobalPoint gp2 = gdet2->toGlobal( (*r2).localPosition() );
412 
413  double dx = gp1.x() - gp2.x() ;
414  double dy = gp1.y() - gp2.y() ;
415  double dz = gp1.z() - gp2.z() ;
416  double dL = sqrt( dx*dx + dy*dy + dz*dz);
417 
418  if ( dL < 1. ) overlapping ++;
419 
420  }
421  }
422  return overlapping ;
423 
424 }
GlobalPoint toGlobal(const Local2DPoint &lp) const
Conversion to the global R.F. from the R.F. of the GeomDet.
Definition: GeomDet.h:54
T y() const
Definition: PV3DBase.h:63
MuonServiceProxy * theService
T sqrt(T t)
Definition: SSEVec.h:18
T z() const
Definition: PV3DBase.h:64
Definition: DetId.h:18
range recHits() const
edm::ESHandle< GlobalTrackingGeometry > trackingGeometry() const
get the tracking geometry
const GeomDet * idToDet(DetId) const override
T x() const
Definition: PV3DBase.h:62
SeedContainer MuonSeedCleaner::SeedCandidates ( std::vector< TrajectorySeed > &  seeds,
bool  good 
)
private

pick the seeds w/ 1st layer information and w/ more than 1 segments

Definition at line 302 of file MuonSeedCleaner.cc.

References MuonSubdetId::CSC, MuonSubdetId::DT, funct::false, GeomDet::geographicalId(), mps_fire::i, GlobalTrackingGeometry::idToDet(), training_settings::idx, diffTwoXMLs::r1, CSCDetId::station(), DetId::subdetId(), theService, and MuonServiceProxy::trackingGeometry().

Referenced by seedCleaner().

302  {
303 
304  SeedContainer theCandidate;
305  theCandidate.clear();
306 
307  bool longSeed = false;
308  bool withFirstLayer = false ;
309 
310  //std::cout<<"***** Seed Classification *****"<< seeds.size() <<std::endl;
311  for ( size_t i = 0; i < seeds.size(); i++ ) {
312 
313  if (seeds[i].nHits() > 1 ) longSeed = true ;
314  //std::cout<<" Seed: "<<i<<" w/"<<seeds[i].nHits()<<" segs "<<std::endl;
315  // looking for 1st layer segment
316  int idx = 0;
317  for (edm::OwnVector<TrackingRecHit>::const_iterator r1 = seeds[i].recHits().first; r1 != seeds[i].recHits().second; r1++){
318 
319  idx++;
320  const GeomDet* gdet = theService->trackingGeometry()->idToDet( (*r1).geographicalId() );
321  DetId geoId = gdet->geographicalId();
322 
323  if ( geoId.subdetId() == MuonSubdetId::DT ) {
324  DTChamberId DT_Id( (*r1).geographicalId() );
325  //std::cout<<" ID:"<<DT_Id <<" pos:"<< r1->localPosition() <<std::endl;
326  if (DT_Id.station() != 1) continue;
327  withFirstLayer = true;
328  }
329  if ( geoId.subdetId() == MuonSubdetId::CSC ) {
330  idx++;
331  CSCDetId CSC_Id = CSCDetId( (*r1).geographicalId() );
332  //std::cout<<" ID:"<<CSC_Id <<" pos:"<< r1->localPosition() <<std::endl;
333  if (CSC_Id.station() != 1) continue;
334  withFirstLayer = true;
335  }
336  }
337  bool goodseed = (longSeed && withFirstLayer) ? true : false ;
338 
339  if ( goodseed == good ) theCandidate.push_back( seeds[i] );
340  }
341  return theCandidate;
342 
343 }
MuonServiceProxy * theService
constexpr int subdetId() const
get the contents of the subdetector field (not cast into any detector&#39;s numbering enum) ...
Definition: DetId.h:41
DetId geographicalId() const
The label of this GeomDet.
Definition: GeomDet.h:79
Definition: DetId.h:18
edm::ESHandle< GlobalTrackingGeometry > trackingGeometry() const
get the tracking geometry
const GeomDet * idToDet(DetId) const override
int station() const
Definition: CSCDetId.h:86
static constexpr int DT
Definition: MuonSubdetId.h:12
std::vector< TrajectorySeed > SeedContainer
static constexpr int CSC
Definition: MuonSubdetId.h:13
double MuonSeedCleaner::SeedChi2 ( const TrajectorySeed seed)
private

Definition at line 426 of file MuonSeedCleaner.cc.

References NChi2OfSegment(), TrajectorySeed::nHits(), diffTwoXMLs::r1, and TrajectorySeed::recHits().

Referenced by Chi2LengthSelection(), and MoreRecHits().

426  {
427 
428  double theChi2 = 0.;
429  for (edm::OwnVector<TrackingRecHit>::const_iterator r1 = seed.recHits().first; r1 != seed.recHits().second; r1++){
430  //std::cout<<" segmet : "<<it <<std::endl;
431  theChi2 += NChi2OfSegment( *r1 );
432  }
433  theChi2 = theChi2 / seed.nHits() ;
434 
435  //std::cout<<" final Length :"<<NSegs<<std::endl;
436  return theChi2 ;
437 
438 }
double NChi2OfSegment(const TrackingRecHit &rhit)
retrieve number of rechits& normalized chi2 of associated segments of a seed
range recHits() const
unsigned int nHits() const
std::vector< TrajectorySeed > MuonSeedCleaner::seedCleaner ( const edm::EventSetup eventSetup,
std::vector< TrajectorySeed > &  seeds 
)

Cache pointer to geometry.

Cache pointer to Magnetic field cleaning the seeds

Definition at line 74 of file MuonSeedCleaner.cc.

References BiggerCone(), Chi2LengthSelection(), PVValHelper::eta, PV3DBase< T, PVType, FrameType >::eta(), GroupSeeds(), mps_fire::i, LeanHighMomentum(), MomentumFilter(), MoreRecHits(), SeedCandidates(), SeedPosition(), theService, and MuonServiceProxy::update().

Referenced by MuonSeedBuilder::build().

74  {
75 
76  theService->update(eventSetup);
77 
78  std::vector<TrajectorySeed> FinalSeeds;
79 
80  // group the seeds
81  std::vector<SeedContainer> theCollection = GroupSeeds(seeds);
82 
83  // ckeck each group and pick the good one
84  for (size_t i=0; i< theCollection.size(); i++ ) {
85 
86  // separate seeds w/ more than 1 segments and w/ 1st layer segment information
87  SeedContainer goodSeeds = SeedCandidates( theCollection[i], true );
88  SeedContainer otherSeeds = SeedCandidates( theCollection[i], false );
89  if ( MomentumFilter( goodSeeds ) ) {
90  //std::cout<<" == type1 "<<std::endl;
91  TrajectorySeed bestSeed = Chi2LengthSelection( goodSeeds );
92  FinalSeeds.push_back( bestSeed );
93 
94  GlobalPoint seedgp = SeedPosition( bestSeed );
95  double eta = fabs( seedgp.eta() );
96  if ( goodSeeds.size() > 2 && eta > 1.5 ) {
97  TrajectorySeed anotherSeed = MoreRecHits( goodSeeds );
98  FinalSeeds.push_back( anotherSeed );
99  }
100  }
101  else if( MomentumFilter( otherSeeds ) ) {
102  //std::cout<<" == type2 "<<std::endl;
103  TrajectorySeed bestSeed = MoreRecHits( otherSeeds );
104  FinalSeeds.push_back( bestSeed );
105 
106  GlobalPoint seedgp = SeedPosition( bestSeed );
107  double eta = fabs( seedgp.eta() );
108  if ( otherSeeds.size() > 2 && eta > 1.5 ) {
109  TrajectorySeed anotherSeed = LeanHighMomentum( otherSeeds );
110  FinalSeeds.push_back( anotherSeed );
111  }
112  }
113  else {
114  //std::cout<<" == type3 "<<std::endl;
115  TrajectorySeed bestSeed = LeanHighMomentum( theCollection[i] );
116  FinalSeeds.push_back( bestSeed );
117 
118  GlobalPoint seedgp = SeedPosition( bestSeed );
119  double eta = fabs( seedgp.eta() );
120  if ( theCollection.size() > 2 && eta > 1.5 ) {
121  TrajectorySeed anotherSeed = BiggerCone( theCollection[i] );
122  FinalSeeds.push_back( anotherSeed );
123  }
124  }
125  }
126  return FinalSeeds ;
127 
128 }
void update(const edm::EventSetup &setup)
update the services each event
TrajectorySeed BiggerCone(std::vector< TrajectorySeed > &seeds)
select the seed with bigger projection cone to next layer
MuonServiceProxy * theService
GlobalPoint SeedPosition(const TrajectorySeed &seed)
retrieve seed global position
bool MomentumFilter(std::vector< TrajectorySeed > &seeds)
filter out the bad pt seeds, if all are bad pt seeds then keep all
TrajectorySeed LeanHighMomentum(std::vector< TrajectorySeed > &seeds)
select the highest momentum pt seed
std::vector< SeedContainer > GroupSeeds(std::vector< TrajectorySeed > &seeds)
group the seeds
SeedContainer SeedCandidates(std::vector< TrajectorySeed > &seeds, bool good)
pick the seeds w/ 1st layer information and w/ more than 1 segments
T eta() const
Definition: PV3DBase.h:76
TrajectorySeed MoreRecHits(std::vector< TrajectorySeed > &seeds)
select the seed with more rechits
std::vector< TrajectorySeed > SeedContainer
TrajectorySeed Chi2LengthSelection(std::vector< TrajectorySeed > &seeds)
select seed by balance length and chi2
int MuonSeedCleaner::SeedLength ( const TrajectorySeed seed)
private

Definition at line 440 of file MuonSeedCleaner.cc.

References NRecHitsFromSegment(), diffTwoXMLs::r1, and TrajectorySeed::recHits().

440  {
441 
442  int theHits = 0;
443  for (edm::OwnVector<TrackingRecHit>::const_iterator r1 = seed.recHits().first; r1 != seed.recHits().second; r1++){
444  //std::cout<<" segmet : "<<it <<std::endl;
445  theHits += NRecHitsFromSegment( *r1 );
446  }
447 
448  //std::cout<<" final Length :"<<NSegs<<std::endl;
449  return theHits ;
450 
451 }
int NRecHitsFromSegment(const TrackingRecHit &rhit)
range recHits() const
GlobalVector MuonSeedCleaner::SeedMomentum ( const TrajectorySeed seed)
private

retrieve seed global momentum

Definition at line 467 of file MuonSeedCleaner.cc.

References PTrajectoryStateOnDet::detId(), TrajectoryStateOnSurface::globalMomentum(), GlobalTrackingGeometry::idToDet(), MuonServiceProxy::magneticField(), TrajectorySeed::startingState(), theService, MuonServiceProxy::trackingGeometry(), and trajectoryStateTransform::transientState().

Referenced by LeanHighMomentum(), and MomentumFilter().

467  {
468 
469 
470 
471  PTrajectoryStateOnDet pTSOD = seed.startingState();
472  DetId SeedDetId(pTSOD.detId());
473  const GeomDet* geoDet = theService->trackingGeometry()->idToDet( SeedDetId );
475  GlobalVector mom = SeedTSOS.globalMomentum();
476 
477  return mom ;
478 
479 }
MuonServiceProxy * theService
edm::ESHandle< MagneticField > magneticField() const
get the magnetic field
unsigned int detId() const
Definition: DetId.h:18
PTrajectoryStateOnDet const & startingState() const
TrajectoryStateOnSurface transientState(const PTrajectoryStateOnDet &ts, const Surface *surface, const MagneticField *field)
edm::ESHandle< GlobalTrackingGeometry > trackingGeometry() const
get the tracking geometry
GlobalVector globalMomentum() const
const GeomDet * idToDet(DetId) const override
GlobalPoint MuonSeedCleaner::SeedPosition ( const TrajectorySeed seed)
private

retrieve seed global position

Definition at line 453 of file MuonSeedCleaner.cc.

References PTrajectoryStateOnDet::detId(), TrajectoryStateOnSurface::globalPosition(), GlobalTrackingGeometry::idToDet(), MuonServiceProxy::magneticField(), TrajectorySeed::startingState(), theService, MuonServiceProxy::trackingGeometry(), and trajectoryStateTransform::transientState().

Referenced by GroupSeeds(), and seedCleaner().

453  {
454 
455 
456 
457  PTrajectoryStateOnDet pTSOD = seed.startingState();
458  DetId SeedDetId(pTSOD.detId());
459  const GeomDet* geoDet = theService->trackingGeometry()->idToDet( SeedDetId );
461  GlobalPoint pos = SeedTSOS.globalPosition();
462 
463  return pos ;
464 
465 }
MuonServiceProxy * theService
GlobalPoint globalPosition() const
edm::ESHandle< MagneticField > magneticField() const
get the magnetic field
unsigned int detId() const
Definition: DetId.h:18
PTrajectoryStateOnDet const & startingState() const
TrajectoryStateOnSurface transientState(const PTrajectoryStateOnDet &ts, const Surface *surface, const MagneticField *field)
edm::ESHandle< GlobalTrackingGeometry > trackingGeometry() const
get the tracking geometry
const GeomDet * idToDet(DetId) const override

Member Data Documentation

std::vector<int> MuonSeedCleaner::badSeedLayer

Definition at line 56 of file MuonSeedCleaner.h.

bool MuonSeedCleaner::debug
private
std::vector<int> MuonSeedCleaner::ShoweringLayers
private

Definition at line 103 of file MuonSeedCleaner.h.

SegmentContainer MuonSeedCleaner::ShoweringSegments
private

Definition at line 102 of file MuonSeedCleaner.h.

MuonServiceProxy* MuonSeedCleaner::theService
private