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GlobalCosmicMuonTrajectoryBuilder Class Reference

#include <GlobalCosmicMuonTrajectoryBuilder.h>

Inheritance diagram for GlobalCosmicMuonTrajectoryBuilder:
MuonTrajectoryBuilder

Public Types

typedef MuonTransientTrackingRecHit::ConstMuonRecHitContainer ConstMuonRecHitContainer
 
typedef MuonTransientTrackingRecHit::ConstMuonRecHitPointer ConstMuonRecHitPointer
 
typedef TransientTrackingRecHit::ConstRecHitContainer ConstRecHitContainer
 
typedef TransientTrackingRecHit::ConstRecHitPointer ConstRecHitPointer
 
typedef MuonTransientTrackingRecHit::MuonRecHitContainer MuonRecHitContainer
 
typedef MuonTransientTrackingRecHit::MuonRecHitPointer MuonRecHitPointer
 
typedef TransientTrackingRecHit::RecHitContainer RecHitContainer
 
typedef TransientTrackingRecHit::RecHitPointer RecHitPointer
 
typedef std::pair< const Trajectory *, reco::TrackRefTrackCand
 
- Public Types inherited from MuonTrajectoryBuilder
typedef MuonCandidate::CandidateContainer CandidateContainer
 
typedef std::pair< const Trajectory *, reco::TrackRefTrackCand
 
typedef MuonCandidate::TrajectoryContainer TrajectoryContainer
 

Public Member Functions

 GlobalCosmicMuonTrajectoryBuilder (const edm::ParameterSet &, const MuonServiceProxy *service, edm::ConsumesCollector &iC)
 Constructor. More...
 
std::vector< TrackCandmatch (const TrackCand &, const edm::Handle< reco::TrackCollection > &)
 check if tk and muon Tracks are matched More...
 
const Propagatorpropagator () const
 
virtual void setEvent (const edm::Event &)
 pass the Event to the algo at each event More...
 
std::vector< Trajectory * > trajectories (const TrajectorySeed &)
 dummy implementation, unused in this class More...
 
virtual CandidateContainer trajectories (const TrackCand &)
 choose tk Track and build combined trajectories More...
 
virtual ~GlobalCosmicMuonTrajectoryBuilder ()
 Destructor. More...
 
- Public Member Functions inherited from MuonTrajectoryBuilder
 MuonTrajectoryBuilder ()
 constructor More...
 
virtual ~MuonTrajectoryBuilder ()
 destructor More...
 

Private Member Functions

ConstRecHitContainer getTransientRecHits (const reco::Track &) const
 
bool isTraversing (const reco::Track &tk) const
 
CosmicMuonSmoothersmoother () const
 
void sortHits (ConstRecHitContainer &, ConstRecHitContainer &, ConstRecHitContainer &)
 
const CosmicMuonUtilitiesutilities () const
 

Private Attributes

const std::vector< Trajectory > * allTrackerTrajs
 
std::string category_
 
edm::ESHandle< TransientTrackingRecHitBuildertheMuonRecHitBuilder
 
std::string theMuonRecHitBuilderName
 
std::string thePropagatorName
 
const MuonServiceProxytheService
 
CosmicMuonSmoothertheSmoother
 
edm::EDGetTokenT< reco::TrackCollectiontheTkTrackToken
 
edm::ESHandle< TransientTrackingRecHitBuildertheTrackerRecHitBuilder
 
std::string theTrackerRecHitBuilderName
 
edm::Handle< reco::TrackCollectiontheTrackerTracks
 
GlobalMuonTrackMatchertheTrackMatcher
 
bool tkTrajsAvailable
 

Detailed Description

Definition at line 32 of file GlobalCosmicMuonTrajectoryBuilder.h.

Member Typedef Documentation

Definition at line 43 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 41 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 36 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 38 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 42 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 40 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 35 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 37 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 44 of file GlobalCosmicMuonTrajectoryBuilder.h.

Constructor & Destructor Documentation

GlobalCosmicMuonTrajectoryBuilder::GlobalCosmicMuonTrajectoryBuilder ( const edm::ParameterSet par,
const MuonServiceProxy service,
edm::ConsumesCollector iC 
)

Constructor.

Definition at line 30 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References category_, edm::ConsumesCollector::consumes(), edm::ParameterSet::getParameter(), GlobalMuonTrackMatcher_cff::GlobalMuonTrackMatcher, theMuonRecHitBuilderName, thePropagatorName, theService, theSmoother, theTkTrackToken, theTrackerRecHitBuilderName, and theTrackMatcher.

31  : theService(service) {
32  ParameterSet smootherPSet = par.getParameter<ParameterSet>("SmootherParameters");
33  theSmoother = new CosmicMuonSmoother(smootherPSet,theService);
34 
35  ParameterSet trackMatcherPSet = par.getParameter<ParameterSet>("GlobalMuonTrackMatcher");
36  theTrackMatcher = new GlobalMuonTrackMatcher(trackMatcherPSet,theService);
37 
38  theTkTrackToken = iC.consumes<reco::TrackCollection>(par.getParameter<InputTag>("TkTrackCollectionLabel"));
39 
40  theTrackerRecHitBuilderName = par.getParameter<string>("TrackerRecHitBuilder");
41  theMuonRecHitBuilderName = par.getParameter<string>("MuonRecHitBuilder");
42  thePropagatorName = par.getParameter<string>("Propagator");
43  category_ = "Muon|RecoMuon|CosmicMuon|GlobalCosmicMuonTrajectoryBuilder";
44 
45 }
EDGetTokenT< ProductType > consumes(edm::InputTag const &tag)
T getParameter(std::string const &) const
edm::EDGetTokenT< reco::TrackCollection > theTkTrackToken
std::vector< Track > TrackCollection
collection of Tracks
Definition: TrackFwd.h:14
GlobalCosmicMuonTrajectoryBuilder::~GlobalCosmicMuonTrajectoryBuilder ( )
virtual

Destructor.

Definition at line 51 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References theSmoother, and theTrackMatcher.

51  {
52 
53  if (theSmoother) delete theSmoother;
54  if (theTrackMatcher) delete theTrackMatcher;
55 }

Member Function Documentation

TransientTrackingRecHit::ConstRecHitContainer GlobalCosmicMuonTrajectoryBuilder::getTransientRecHits ( const reco::Track track) const
private

Definition at line 300 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References TransientTrackingRecHitBuilder::build(), category_, DetId::det(), trajectoryStateTransform::innerStateOnSurface(), TrajectoryStateOnSurface::isValid(), LogTrace, DetId::Muon, edm::ESHandle< T >::product(), reco::Track::recHitsBegin(), reco::Track::recHitsEnd(), mps_fire::result, theMuonRecHitBuilder, thePropagatorName, theService, theTrackerRecHitBuilder, and DetId::Tracker.

Referenced by trajectories().

300  {
301 
303 
304 
305 
306  auto hitCloner = static_cast<TkTransientTrackingRecHitBuilder const *>(theTrackerRecHitBuilder.product())->cloner();
307  TrajectoryStateOnSurface currTsos = trajectoryStateTransform::innerStateOnSurface(track, *theService->trackingGeometry(), &*theService->magneticField());
308  for (trackingRecHit_iterator hit = track.recHitsBegin(); hit != track.recHitsEnd(); ++hit) {
309  if((*hit)->isValid()) {
310  DetId recoid = (*hit)->geographicalId();
311  if ( recoid.det() == DetId::Tracker ) {
312  TrajectoryStateOnSurface predTsos = theService->propagator(thePropagatorName)->propagate(currTsos, theService->trackingGeometry()->idToDet(recoid)->surface());
313  LogTrace(category_)<<"predtsos "<<predTsos.isValid();
314  if ( predTsos.isValid() ) {
315  currTsos = predTsos;
316  result.emplace_back(hitCloner(**hit,predTsos));
317  }
318  } else if ( recoid.det() == DetId::Muon ) {
319  result.push_back(theMuonRecHitBuilder->build(&**hit));
320  }
321  }
322  }
323  return result;
324 }
edm::ESHandle< TransientTrackingRecHitBuilder > theTrackerRecHitBuilder
edm::ESHandle< TransientTrackingRecHitBuilder > theMuonRecHitBuilder
trackingRecHit_iterator recHitsBegin() const
Iterator to first hit on the track.
Definition: Track.h:104
#define LogTrace(id)
virtual RecHitPointer build(const TrackingRecHit *p) const =0
build a tracking rechit from an existing rechit
std::vector< ConstRecHitPointer > ConstRecHitContainer
Definition: DetId.h:18
Detector det() const
get the detector field from this detid
Definition: DetId.h:35
T const * product() const
Definition: ESHandle.h:86
TrackingRecHitCollection::base::const_iterator trackingRecHit_iterator
iterator over a vector of reference to TrackingRecHit in the same collection
TrajectoryStateOnSurface innerStateOnSurface(const reco::Track &tk, const TrackingGeometry &geom, const MagneticField *field, bool withErr=true)
trackingRecHit_iterator recHitsEnd() const
Iterator to last hit on the track.
Definition: Track.h:109
bool GlobalCosmicMuonTrajectoryBuilder::isTraversing ( const reco::Track tk) const
private

Definition at line 443 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References align_cfg::firstValid, PV3DBase< T, PVType, FrameType >::mag(), position, reco::Track::recHitsBegin(), reco::Track::recHitsEnd(), theService, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by match().

443  {
444 
446  for (trackingRecHit_iterator hit = track.recHitsBegin(); hit != track.recHitsEnd(); ++hit) {
447  if((*hit)->isValid()) {
448  firstValid = hit;
449  break;
450  }
451  }
452 
453  trackingRecHit_iterator lastValid;
454  for (trackingRecHit_iterator hit = track.recHitsEnd() - 1; hit != track.recHitsBegin() - 1; --hit) {
455  if((*hit)->isValid()) {
456  lastValid = hit;
457  break;
458  }
459  }
460 
461  GlobalPoint posFirst = theService->trackingGeometry()->idToDet((*firstValid)->geographicalId())->position();
462 
463  GlobalPoint posLast = theService->trackingGeometry()->idToDet((*lastValid)->geographicalId() )->position();
464 
465  GlobalPoint middle((posFirst.x()+posLast.x())/2, (posFirst.y()+posLast.y())/2, (posFirst.z()+posLast.z())/2);
466 
467  if ( (middle.mag() < posFirst.mag()) && (middle.mag() < posLast.mag() ) ) {
468  return true;
469  }
470  return false;
471 
472 }
T y() const
Definition: PV3DBase.h:63
T mag() const
Definition: PV3DBase.h:67
T z() const
Definition: PV3DBase.h:64
static int position[264][3]
Definition: ReadPGInfo.cc:509
T x() const
Definition: PV3DBase.h:62
TrackingRecHitCollection::base::const_iterator trackingRecHit_iterator
iterator over a vector of reference to TrackingRecHit in the same collection
std::vector< GlobalCosmicMuonTrajectoryBuilder::TrackCand > GlobalCosmicMuonTrajectoryBuilder::match ( const TrackCand mu,
const edm::Handle< reco::TrackCollection > &  tktracks 
)

check if tk and muon Tracks are matched

Definition at line 326 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References PV3DBase< T, PVType, FrameType >::basicVector(), deltar::bestMatch(), category_, Basic3DVector< T >::dot(), MillePedeFileConverter_cfg::e, TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), mps_fire::i, trajectoryStateTransform::innerStateOnSurface(), isTraversing(), keep, LogTrace, PV3DBase< T, PVType, FrameType >::mag(), mag(), GlobalMuonTrackMatcher::match(), trajectoryStateTransform::outerStateOnSurface(), btvTracks_cfi::quality, mps_fire::result, theService, theTrackerTracks, and theTrackMatcher.

Referenced by trajectories().

326  {
327 
328  std::vector<TrackCand> result;
329 
330 
331  TrajectoryStateOnSurface innerTsos =trajectoryStateTransform::innerStateOnSurface(*(mu.second), *theService->trackingGeometry(), &*theService->magneticField());
332  TrajectoryStateOnSurface outerTsos = trajectoryStateTransform::outerStateOnSurface(*(mu.second), *theService->trackingGeometry(), &*theService->magneticField());
333  //build tracker TrackCands and pick the best match if size greater than 2
334  vector<TrackCand> tkTrackCands;
337  TrackCand tkCand = TrackCand((Trajectory*)(0),tkTrack);
338  tkTrackCands.push_back(tkCand);
339  LogTrace(category_) << "chisq is " << theTrackMatcher->match(mu,tkCand,0,0);
340  LogTrace(category_) << "d is " << theTrackMatcher->match(mu,tkCand,1,0);
341  LogTrace(category_) << "r_pos is " << theTrackMatcher->match(mu,tkCand,2,0);
342  }
343 
344  // now if only 1 tracker tracks, return it
345  if (tkTrackCands.size() <= 1 ) {
346  return tkTrackCands;
347  }
348 
349  // if there're many tracker tracks
350 
351  // if muon is only on one side
352  GlobalPoint innerPos = innerTsos.globalPosition();
353  GlobalPoint outerPos = outerTsos.globalPosition();
354 
355  if ( ( innerPos.basicVector().dot( innerTsos.globalMomentum().basicVector() ) *
356  outerPos.basicVector().dot(outerTsos.globalMomentum().basicVector() ) > 0 ) ) {
357 
358  GlobalPoint geoInnerPos = (innerPos.mag() < outerPos.mag()) ? innerPos : outerPos;
359  LogTrace(category_) <<"geoInnerPos Mu "<<geoInnerPos<<endl;
360 
361  // if there're tracker tracks totally on the other half
362  // and there're tracker tracks on the same half
363  // remove the tracks on the other half
364  for(vector<TrackCand>::const_iterator itkCand = tkTrackCands.begin(); itkCand != tkTrackCands.end(); ++itkCand) {
365 
366  reco::TrackRef tkTrack = itkCand->second;
367 
368  GlobalPoint tkInnerPos(tkTrack->innerPosition().x(), tkTrack->innerPosition().y(), tkTrack->innerPosition().z());
369  GlobalPoint tkOuterPos(tkTrack->outerPosition().x(), tkTrack->outerPosition().y(), tkTrack->outerPosition().z());
370  LogTrace(category_) <<"tkTrack "<<tkInnerPos<<" "<<tkOuterPos<<endl;
371 
372  float closetDistance11 = (geoInnerPos - tkInnerPos).mag() ;
373  float closetDistance12 = (geoInnerPos - tkOuterPos).mag() ;
374  float closetDistance1 = (closetDistance11 < closetDistance12) ? closetDistance11 : closetDistance12;
375  LogTrace(category_) <<"closetDistance1 "<<closetDistance1<<endl;
376 
377  if (true || !isTraversing(*tkTrack) ) {
378  bool keep = true;
379  for(vector<TrackCand>::const_iterator itkCand2 = tkTrackCands.begin(); itkCand2 != tkTrackCands.end(); ++itkCand2) {
380  if (itkCand2 == itkCand ) continue;
381  reco::TrackRef tkTrack2 = itkCand2->second;
382 
383  GlobalPoint tkInnerPos2(tkTrack2->innerPosition().x(), tkTrack2->innerPosition().y(), tkTrack2->innerPosition().z());
384  GlobalPoint tkOuterPos2(tkTrack2->outerPosition().x(), tkTrack2->outerPosition().y(), tkTrack2->outerPosition().z());
385  LogTrace(category_) <<"tkTrack2 "<< tkInnerPos2 <<" "<<tkOuterPos2 <<endl;
386 
387  float farthestDistance21 = (geoInnerPos - tkInnerPos2).mag() ;
388  float farthestDistance22 = (geoInnerPos - tkOuterPos2).mag() ;
389  float farthestDistance2 = (farthestDistance21 > farthestDistance22) ? farthestDistance21 : farthestDistance22;
390  LogTrace(category_) <<"farthestDistance2 "<<farthestDistance2<<endl;
391 
392  if (closetDistance1 > farthestDistance2 - 1e-3) {
393  keep = false;
394  break;
395  }
396  }
397  if (keep) result.push_back(*itkCand);
398  else LogTrace(category_) <<"The Track is on different hemisphere"<<endl;
399  } else {
400  result.push_back(*itkCand);
401  }
402  }
403  if ( result.empty() ) {
404  //if all tk tracks on the other side, still keep them
405  result = tkTrackCands;
406  }
407  } else { // muon is traversing
408  result = tkTrackCands;
409  }
410 
411  // match muCand to tkTrackCands
412  vector<TrackCand> matched_trackerTracks = theTrackMatcher->match(mu, result);
413 
414  LogTrace(category_) <<"TrackMatcher found " << matched_trackerTracks.size() << "tracker tracks matched";
415 
416  //now pick the best matched one
417  if( matched_trackerTracks.size() < 2 ) {
418  return matched_trackerTracks;
419  } else {
420  // in case of more than 1 tkTrack,
421  // select the best-one based on distance (matchOption==1)
422  // at innermost Mu hit surface. (surfaceOption == 0)
423  result.clear();
425 
426  double quality = 1e6;
427  double max_quality = 1e6;
428  for( vector<TrackCand>::const_iterator iter = matched_trackerTracks.begin(); iter != matched_trackerTracks.end(); iter++) {
429  quality = theTrackMatcher->match(mu,*iter, 1, 0);
430  LogTrace(category_) <<" quality of tracker track is " << quality;
431  if( quality < max_quality ) {
432  max_quality=quality;
433  bestMatch = (*iter);
434  }
435  }
436  LogTrace(category_) <<" Picked tracker track with quality " << max_quality;
437  result.push_back(bestMatch);
438  return result;
439  }
440 }
TrajectoryStateOnSurface outerStateOnSurface(const reco::Track &tk, const TrackingGeometry &geom, const MagneticField *field, bool withErr=true)
T mag() const
The vector magnitude. Equivalent to sqrt(vec.mag2())
GlobalPoint globalPosition() const
uint16_t size_type
const int keep
T mag() const
Definition: PV3DBase.h:67
std::pair< const Trajectory *, reco::TrackRef > TrackCand
bool isTraversing(const reco::Track &tk) const
const int mu
Definition: Constants.h:22
double match(const TrackCand &sta, const TrackCand &track, int matchOption=0, int surfaceOption=1) const
#define LogTrace(id)
def bestMatch(object, matchCollection)
Definition: deltar.py:139
GlobalVector globalMomentum() const
const BasicVectorType & basicVector() const
Definition: PV3DBase.h:56
edm::Handle< reco::TrackCollection > theTrackerTracks
TrajectoryStateOnSurface innerStateOnSurface(const reco::Track &tk, const TrackingGeometry &geom, const MagneticField *field, bool withErr=true)
T dot(const Basic3DVector &rh) const
Scalar product, or "dot" product, with a vector of same type.
const Propagator* GlobalCosmicMuonTrajectoryBuilder::propagator ( ) const
inline
void GlobalCosmicMuonTrajectoryBuilder::setEvent ( const edm::Event event)
virtual

pass the Event to the algo at each event

Implements MuonTrajectoryBuilder.

Definition at line 60 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References theMuonRecHitBuilder, theMuonRecHitBuilderName, theService, theTkTrackToken, theTrackerRecHitBuilder, theTrackerRecHitBuilderName, and theTrackerTracks.

60  {
61  event.getByToken(theTkTrackToken,theTrackerTracks);
62 
63 // edm::Handle<std::vector<Trajectory> > handleTrackerTrajs;
64 // if ( event.getByLabel(theTkTrackLabel,handleTrackerTrajs) && handleTrackerTrajs.isValid() ) {
65 // tkTrajsAvailable = true;
66 // allTrackerTrajs = &*handleTrackerTrajs;
67 // LogInfo("GlobalCosmicMuonTrajectoryBuilder")
68 // << "Tk Trajectories Found! " << endl;
69 // } else {
70 // LogInfo("GlobalCosmicMuonTrajectoryBuilder")
71 // << "No Tk Trajectories Found! " << endl;
72 // tkTrajsAvailable = false;
73 // }
74 
77 
78 }
edm::ESHandle< TransientTrackingRecHitBuilder > theTrackerRecHitBuilder
edm::EDGetTokenT< reco::TrackCollection > theTkTrackToken
edm::ESHandle< TransientTrackingRecHitBuilder > theMuonRecHitBuilder
edm::Handle< reco::TrackCollection > theTrackerTracks
CosmicMuonSmoother* GlobalCosmicMuonTrajectoryBuilder::smoother ( ) const
inlineprivate

Definition at line 71 of file GlobalCosmicMuonTrajectoryBuilder.h.

void GlobalCosmicMuonTrajectoryBuilder::sortHits ( ConstRecHitContainer hits,
ConstRecHitContainer muonHits,
ConstRecHitContainer tkHits 
)
private

Definition at line 201 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References category_, LogTrace, mag(), PV3DBase< T, PVType, FrameType >::perp(), groupFilesInBlocks::reverse, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by trajectories().

201  {
202 
203  if ( tkHits.empty() ) {
204  LogTrace(category_) << "No valid tracker hits";
205  return;
206  }
207  if ( muonHits.empty() ) {
208  LogTrace(category_) << "No valid muon hits";
209  return;
210  }
211 
212  ConstRecHitContainer::const_iterator frontTkHit = tkHits.begin();
213  ConstRecHitContainer::const_iterator backTkHit = tkHits.end() - 1;
214  while ( !(*frontTkHit)->isValid() && frontTkHit != backTkHit) {frontTkHit++;}
215  while ( !(*backTkHit)->isValid() && backTkHit != frontTkHit) {backTkHit--;}
216 
217  ConstRecHitContainer::const_iterator frontMuHit = muonHits.begin();
218  ConstRecHitContainer::const_iterator backMuHit = muonHits.end() - 1;
219  while ( !(*frontMuHit)->isValid() && frontMuHit != backMuHit) {frontMuHit++;}
220  while ( !(*backMuHit)->isValid() && backMuHit != frontMuHit) {backMuHit--;}
221 
222  if ( frontTkHit == backTkHit ) {
223  LogTrace(category_) << "No valid tracker hits";
224  return;
225  }
226  if ( frontMuHit == backMuHit ) {
227  LogTrace(category_) << "No valid muon hits";
228  return;
229  }
230 
231  GlobalPoint frontTkPos = (*frontTkHit)->globalPosition();
232  GlobalPoint backTkPos = (*backTkHit)->globalPosition();
233 
234  GlobalPoint frontMuPos = (*frontMuHit)->globalPosition();
235  GlobalPoint backMuPos = (*backMuHit)->globalPosition();
236 
237  //sort hits going from higher to lower positions
238  if ( frontTkPos.y() < backTkPos.y() ) {//check if tk hits order same direction
239  reverse(tkHits.begin(), tkHits.end());
240  }
241 
242  if ( frontMuPos.y() < backMuPos.y() ) {
243  reverse(muonHits.begin(), muonHits.end());
244  }
245 
246 // LogTrace(category_)<< "tkHits after sort: "<<tkHits.size()<<endl;;
247 // LogTrace(category_) <<utilities()->print(tkHits)<<endl;
248 // LogTrace(category_) << "== End of tkHits == "<<endl;
249 
250 // LogTrace(category_)<< "muonHits after sort: "<<muonHits.size()<<endl;;
251 // LogTrace(category_) <<utilities()->print(muonHits)<<endl;
252 // LogTrace(category_)<< "== End of muonHits == "<<endl;
253 
254  //separate muon hits into 2 different hemisphere
255  ConstRecHitContainer::iterator middlepoint = muonHits.begin();
256  bool insertInMiddle = false;
257 
258  for (ConstRecHitContainer::iterator ihit = muonHits.begin();
259  ihit != muonHits.end() - 1; ihit++ ) {
260  GlobalPoint ipos = (*ihit)->globalPosition();
261  GlobalPoint nextpos = (*(ihit+1))->globalPosition();
262  if ( (ipos-nextpos).mag() < 100.0 ) continue;
263 
264  GlobalPoint middle((ipos.x()+nextpos.x())/2, (ipos.y()+nextpos.y())/2, (ipos.z()+nextpos.z())/2);
265  LogTrace(category_)<<"ipos "<<ipos<<"nextpos"<<nextpos<<" middle "<<middle<<endl;
266  if ( (middle.perp() < ipos.perp()) && (middle.perp() < nextpos.perp() ) ) {
267  LogTrace(category_)<<"found middlepoint"<<endl;
268  middlepoint = ihit;
269  insertInMiddle = true;
270  break;
271  }
272  }
273 
274  //insert track hits in correct order
275  if ( insertInMiddle ) { //if tk hits should be sandwich
276  GlobalPoint jointpointpos = (*middlepoint)->globalPosition();
277  LogTrace(category_)<<"jointpoint "<<jointpointpos<<endl;
278  if ((frontTkPos - jointpointpos).mag() > (backTkPos - jointpointpos).mag() ) {//check if tk hits order same direction
279  reverse(tkHits.begin(), tkHits.end());
280  }
281  muonHits.insert(middlepoint+1, tkHits.begin(), tkHits.end());
282  hits = muonHits;
283  } else { // append at one end
284  if ( frontTkPos.y() < frontMuPos.y() ) { //insert at the end
285  LogTrace(category_)<<"insert at the end "<<frontTkPos << frontMuPos <<endl;
286 
287  hits = muonHits;
288  hits.insert(hits.end(), tkHits.begin(), tkHits.end());
289  } else { //insert at the beginning
290  LogTrace(category_)<<"insert at the beginning "<<frontTkPos << frontMuPos <<endl;
291  hits = tkHits;
292  hits.insert(hits.end(), muonHits.begin(), muonHits.end());
293  }
294  }
295 }
T perp() const
Definition: PV3DBase.h:72
T mag() const
The vector magnitude. Equivalent to sqrt(vec.mag2())
T y() const
Definition: PV3DBase.h:63
T z() const
Definition: PV3DBase.h:64
#define LogTrace(id)
T x() const
Definition: PV3DBase.h:62
std::vector<Trajectory*> GlobalCosmicMuonTrajectoryBuilder::trajectories ( const TrajectorySeed )
inlinevirtual

dummy implementation, unused in this class

Implements MuonTrajectoryBuilder.

Definition at line 53 of file GlobalCosmicMuonTrajectoryBuilder.h.

53 {return std::vector<Trajectory*>();}
MuonCandidate::CandidateContainer GlobalCosmicMuonTrajectoryBuilder::trajectories ( const TrackCand muCand)
virtual

choose tk Track and build combined trajectories

Implements MuonTrajectoryBuilder.

Definition at line 83 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References category_, CosmicMuonSmoother::fit(), getTransientRecHits(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), hfClusterShapes_cfi::hits, trajectoryStateTransform::innerStateOnSurface(), edm::Ref< C, T, F >::isNull(), TrajectoryStateOnSurface::isValid(), edm::HandleBase::isValid(), LogTrace, match(), electronMatch_cfi::matched, Trajectory::measurements(), trajectoryStateTransform::outerStateOnSurface(), PV3DBase< T, PVType, FrameType >::perp(), mps_fire::result, groupFilesInBlocks::reverse, SurveyInfoScenario_cff::seed, sortHits(), theService, theSmoother, theTrackerTracks, CosmicMuonSmoother::trajectories(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

83  {
85 
86  if (!theTrackerTracks.isValid()) {
87  LogTrace(category_)<< "Tracker Track collection is invalid!!!";
88  return result;
89  }
90 
91  LogTrace(category_) <<"Found "<<theTrackerTracks->size()<<" tracker Tracks";
92  if (theTrackerTracks->empty()) return result;
93 
94  vector<TrackCand> matched = match(muCand, theTrackerTracks);
95 
96  LogTrace(category_) <<"TrackMatcher found " << matched.size() << "tracker tracks matched";
97 
98  if ( matched.empty()) return result;
99  reco::TrackRef tkTrack = matched.front().second;
100 
101  if ( tkTrack.isNull() ) return result;
102  reco::TrackRef muTrack = muCand.second;
103 
104  ConstRecHitContainer muRecHits;
105 
106  if (muCand.first == 0 || !muCand.first->isValid()) {
107  muRecHits = getTransientRecHits(*muTrack);
108  } else {
109  muRecHits = muCand.first->recHits();
110  }
111 
112  LogTrace(category_)<<"mu RecHits: "<<muRecHits.size();
113 
114  ConstRecHitContainer tkRecHits = getTransientRecHits(*tkTrack);
115 
116 // if ( !tkTrajsAvailable ) {
117 // tkRecHits = getTransientRecHits(*tkTrack);
118 // } else {
119 // tkRecHits = allTrackerTrajs->front().recHits();
120 // }
121 
122  ConstRecHitContainer hits; //= tkRecHits;
123  LogTrace(category_)<<"tk RecHits: "<<tkRecHits.size();
124 
125 // hits.insert(hits.end(), muRecHits.begin(), muRecHits.end());
126 // stable_sort(hits.begin(), hits.end(), DecreasingGlobalY());
127 
128  sortHits(hits, muRecHits, tkRecHits);
129 
130 // LogTrace(category_)<< "Used RecHits after sort: "<<hits.size()<<endl;;
131 // LogTrace(category_) <<utilities()->print(hits)<<endl;
132 // LogTrace(category_) << "== End of Used RecHits == "<<endl;
133 
134 
135 
136  TrajectoryStateOnSurface muonState1 = trajectoryStateTransform::innerStateOnSurface(*muTrack, *theService->trackingGeometry(), &*theService->magneticField());
137  TrajectoryStateOnSurface tkState1 = trajectoryStateTransform::innerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());
138 
139  TrajectoryStateOnSurface muonState2 = trajectoryStateTransform::outerStateOnSurface(*muTrack, *theService->trackingGeometry(), &*theService->magneticField());
140  TrajectoryStateOnSurface tkState2 = trajectoryStateTransform::outerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());
141 
142  TrajectoryStateOnSurface firstState1 =
143  ( muonState1.globalPosition().y() > tkState1.globalPosition().y() )? muonState1 : tkState1;
144  TrajectoryStateOnSurface firstState2 =
145  ( muonState2.globalPosition().y() > tkState2.globalPosition().y() )? muonState2 : tkState2;
146 
147  TrajectoryStateOnSurface firstState =
148  ( firstState1.globalPosition().y() > firstState2.globalPosition().y() )? firstState1 : firstState2;
149 
150  GlobalPoint front, back;
151  if(hits.size()>0){
152  front=hits.front()->globalPosition();
153  back=hits.back()->globalPosition();
154  if ( (front.perp()<130 && fabs(front.z())<300)|| (back.perp() <130 && fabs(back.z())<300)){
155  if (hits.front()->globalPosition().perp()>hits.back()->globalPosition().perp()) reverse(hits.begin(), hits.end());
156  tkState1 = trajectoryStateTransform::innerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());
157  tkState2 = trajectoryStateTransform::outerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());
158  firstState =( tkState1.globalPosition().perp() < tkState2.globalPosition().perp() )? tkState1 : tkState2;
159  }
160  }
161  if (!firstState.isValid()) return result;
162  LogTrace(category_) <<"firstTSOS pos: "<<firstState.globalPosition()<<"mom: "<<firstState.globalMomentum();
163 
164  // begin refitting
165 
167  vector<Trajectory> refitted = theSmoother->trajectories(seed,hits,firstState);
168 
169  if ( refitted.empty() ) {
170  LogTrace(category_)<<"smoothing trajectories fail";
171  refitted = theSmoother->fit(seed,hits,firstState); //FIXME
172  }
173 
174  if (refitted.empty()) {
175  LogTrace(category_)<<"refit fail";
176  return result;
177  }
178 
179  Trajectory* myTraj = new Trajectory(refitted.front());
180 
181  const std::vector<TrajectoryMeasurement>& mytms = myTraj->measurements();
182  LogTrace(category_)<<"measurements in final trajectory "<<mytms.size();
183  LogTrace(category_) <<"Orignally there are "<<tkTrack->found()<<" tk rhs and "<<muTrack->found()<<" mu rhs.";
184 
185  if ( mytms.size() <= tkTrack->found() ) {
186  LogTrace(category_)<<"insufficient measurements. skip... ";
187  return result;
188  }
189 
190  MuonCandidate* myCand = new MuonCandidate(myTraj,muTrack,tkTrack);
191  result.push_back(myCand);
192  LogTrace(category_)<<"final global cosmic muon: ";
193  for (std::vector<TrajectoryMeasurement>::const_iterator itm = mytms.begin();
194  itm != mytms.end(); ++itm ) {
195  LogTrace(category_)<<"updated pos "<<itm->updatedState().globalPosition()
196  <<"mom "<<itm->updatedState().globalMomentum();
197  }
198  return result;
199 }
T perp() const
Definition: PV3DBase.h:72
TrajectoryStateOnSurface outerStateOnSurface(const reco::Track &tk, const TrackingGeometry &geom, const MagneticField *field, bool withErr=true)
T y() const
Definition: PV3DBase.h:63
GlobalPoint globalPosition() const
DataContainer const & measurements() const
Definition: Trajectory.h:196
ConstRecHitContainer getTransientRecHits(const reco::Track &) const
T z() const
Definition: PV3DBase.h:64
void sortHits(ConstRecHitContainer &, ConstRecHitContainer &, ConstRecHitContainer &)
std::vector< MuonCandidate * > CandidateContainer
Definition: MuonCandidate.h:20
bool isValid() const
Definition: HandleBase.h:74
bool isNull() const
Checks for null.
Definition: Ref.h:249
#define LogTrace(id)
std::vector< Trajectory > fit(const Trajectory &) const
std::vector< TrackCand > match(const TrackCand &, const edm::Handle< reco::TrackCollection > &)
check if tk and muon Tracks are matched
TransientTrackingRecHit::ConstRecHitContainer ConstRecHitContainer
virtual TrajectoryContainer trajectories(const Trajectory &traj) const override
edm::Handle< reco::TrackCollection > theTrackerTracks
TrajectoryStateOnSurface innerStateOnSurface(const reco::Track &tk, const TrackingGeometry &geom, const MagneticField *field, bool withErr=true)
const CosmicMuonUtilities* GlobalCosmicMuonTrajectoryBuilder::utilities ( ) const
inlineprivate

Definition at line 73 of file GlobalCosmicMuonTrajectoryBuilder.h.

73 {return smoother()->utilities();}
const CosmicMuonUtilities * utilities() const

Member Data Documentation

const std::vector<Trajectory>* GlobalCosmicMuonTrajectoryBuilder::allTrackerTrajs
private

Definition at line 96 of file GlobalCosmicMuonTrajectoryBuilder.h.

std::string GlobalCosmicMuonTrajectoryBuilder::category_
private
edm::ESHandle<TransientTrackingRecHitBuilder> GlobalCosmicMuonTrajectoryBuilder::theMuonRecHitBuilder
private

Definition at line 90 of file GlobalCosmicMuonTrajectoryBuilder.h.

Referenced by getTransientRecHits(), and setEvent().

std::string GlobalCosmicMuonTrajectoryBuilder::theMuonRecHitBuilderName
private
std::string GlobalCosmicMuonTrajectoryBuilder::thePropagatorName
private
const MuonServiceProxy* GlobalCosmicMuonTrajectoryBuilder::theService
private
CosmicMuonSmoother* GlobalCosmicMuonTrajectoryBuilder::theSmoother
private
edm::EDGetTokenT<reco::TrackCollection> GlobalCosmicMuonTrajectoryBuilder::theTkTrackToken
private
edm::ESHandle<TransientTrackingRecHitBuilder> GlobalCosmicMuonTrajectoryBuilder::theTrackerRecHitBuilder
private

Definition at line 87 of file GlobalCosmicMuonTrajectoryBuilder.h.

Referenced by getTransientRecHits(), and setEvent().

std::string GlobalCosmicMuonTrajectoryBuilder::theTrackerRecHitBuilderName
private
edm::Handle<reco::TrackCollection> GlobalCosmicMuonTrajectoryBuilder::theTrackerTracks
private

Definition at line 92 of file GlobalCosmicMuonTrajectoryBuilder.h.

Referenced by match(), setEvent(), and trajectories().

GlobalMuonTrackMatcher* GlobalCosmicMuonTrajectoryBuilder::theTrackMatcher
private
bool GlobalCosmicMuonTrajectoryBuilder::tkTrajsAvailable
private

Definition at line 94 of file GlobalCosmicMuonTrajectoryBuilder.h.