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Public Types | Public Member Functions | Private Member Functions | Private Attributes

GlobalCosmicMuonTrajectoryBuilder Class Reference

#include <GlobalCosmicMuonTrajectoryBuilder.h>

Inheritance diagram for GlobalCosmicMuonTrajectoryBuilder:
MuonTrajectoryBuilder

List of all members.

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::TrackRef
TrackCand

Public Member Functions

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

Private Member Functions

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

Private Attributes

const std::vector< Trajectory > * allTrackerTrajs
std::string category_
edm::ESHandle
< TransientTrackingRecHitBuilder
theMuonRecHitBuilder
std::string theMuonRecHitBuilderName
std::string thePropagatorName
const MuonServiceProxytheService
CosmicMuonSmoothertheSmoother
edm::InputTag theTkTrackLabel
edm::ESHandle
< TransientTrackingRecHitBuilder
theTrackerRecHitBuilder
std::string theTrackerRecHitBuilderName
edm::Handle
< reco::TrackCollection
theTrackerTracks
GlobalMuonTrackMatchertheTrackMatcher
bool tkTrajsAvailable

Detailed Description

Definition at line 34 of file GlobalCosmicMuonTrajectoryBuilder.h.


Member Typedef Documentation

Definition at line 45 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 43 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 38 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 40 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 44 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 42 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 37 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 39 of file GlobalCosmicMuonTrajectoryBuilder.h.

Reimplemented from MuonTrajectoryBuilder.

Definition at line 46 of file GlobalCosmicMuonTrajectoryBuilder.h.


Constructor & Destructor Documentation

GlobalCosmicMuonTrajectoryBuilder::GlobalCosmicMuonTrajectoryBuilder ( const edm::ParameterSet par,
const MuonServiceProxy *  service 
)

Constructor.

Definition at line 33 of file GlobalCosmicMuonTrajectoryBuilder.cc.

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

                                                                                                      : theService(service) {
  ParameterSet smootherPSet = par.getParameter<ParameterSet>("SmootherParameters");
  theSmoother = new CosmicMuonSmoother(smootherPSet,theService);

  ParameterSet trackMatcherPSet = par.getParameter<ParameterSet>("GlobalMuonTrackMatcher");
  theTrackMatcher = new GlobalMuonTrackMatcher(trackMatcherPSet,theService);

  theTkTrackLabel = par.getParameter<InputTag>("TkTrackCollectionLabel");
  theTrackerRecHitBuilderName = par.getParameter<string>("TrackerRecHitBuilder");
  theMuonRecHitBuilderName = par.getParameter<string>("MuonRecHitBuilder");
  thePropagatorName = par.getParameter<string>("Propagator");
  category_ = "Muon|RecoMuon|CosmicMuon|GlobalCosmicMuonTrajectoryBuilder";

}
GlobalCosmicMuonTrajectoryBuilder::~GlobalCosmicMuonTrajectoryBuilder ( ) [virtual]

Destructor.

Definition at line 53 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References theSmoother, and theTrackMatcher.

                                                                      {

  if (theSmoother) delete theSmoother;
  if (theTrackMatcher) delete theTrackMatcher;
}

Member Function Documentation

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

Definition at line 301 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References category_, DetId::det(), TrajectoryStateTransform::innerStateOnSurface(), TrajectoryStateOnSurface::isValid(), LogTrace, DetId::Muon, reco::Track::recHitsBegin(), reco::Track::recHitsEnd(), query::result, theMuonRecHitBuilder, thePropagatorName, theService, theTrackerRecHitBuilder, and align::Tracker.

Referenced by trajectories().

                                                                                   {

  TransientTrackingRecHit::ConstRecHitContainer result;

  TrajectoryStateTransform tsTrans;

  TrajectoryStateOnSurface currTsos = tsTrans.innerStateOnSurface(track, *theService->trackingGeometry(), &*theService->magneticField());
  for (trackingRecHit_iterator hit = track.recHitsBegin(); hit != track.recHitsEnd(); ++hit) {
    if((*hit)->isValid()) {
      DetId recoid = (*hit)->geographicalId();
      if ( recoid.det() == DetId::Tracker ) {
        TransientTrackingRecHit::RecHitPointer ttrhit = theTrackerRecHitBuilder->build(&**hit);
        TrajectoryStateOnSurface predTsos =  theService->propagator(thePropagatorName)->propagate(currTsos, theService->trackingGeometry()->idToDet(recoid)->surface());
        LogTrace(category_)<<"predtsos "<<predTsos.isValid();
        if ( predTsos.isValid() ) {
          currTsos = predTsos;
          TransientTrackingRecHit::RecHitPointer preciseHit = ttrhit->clone(currTsos);
          result.push_back(preciseHit);
       }
      } else if ( recoid.det() == DetId::Muon ) {
        result.push_back(theMuonRecHitBuilder->build(&**hit));
      }
    }
  }
  return result;
}
bool GlobalCosmicMuonTrajectoryBuilder::isTraversing ( const reco::Track tk) const [private]

Definition at line 445 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References ecalTPGAnalyzer_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().

                                                                                 {

  trackingRecHit_iterator firstValid;
  for (trackingRecHit_iterator hit = track.recHitsBegin(); hit != track.recHitsEnd(); ++hit) {
    if((*hit)->isValid()) {
       firstValid = hit;
       break;
    }
  }

  trackingRecHit_iterator lastValid;
  for (trackingRecHit_iterator hit = track.recHitsEnd() - 1; hit != track.recHitsBegin() - 1; --hit) {
    if((*hit)->isValid()) {
       lastValid = hit;
       break;
    }
  }

  GlobalPoint posFirst = theService->trackingGeometry()->idToDet((*firstValid)->geographicalId())->position();

  GlobalPoint posLast  = theService->trackingGeometry()->idToDet((*lastValid)->geographicalId() )->position();

  GlobalPoint middle((posFirst.x()+posLast.x())/2, (posFirst.y()+posLast.y())/2, (posFirst.z()+posLast.z())/2);

  if ( (middle.mag() < posFirst.mag()) && (middle.mag() < posLast.mag() ) ) {
     return true;
  }
  return false;

}
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 328 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References PV3DBase< T, PVType, FrameType >::basicVector(), category_, TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), i, TrajectoryStateTransform::innerStateOnSurface(), isTraversing(), keep, LogTrace, PV3DBase< T, PVType, FrameType >::mag(), mag(), GlobalMuonTrackMatcher::match(), TrajectoryStateTransform::outerStateOnSurface(), query::result, theService, theTrackerTracks, and theTrackMatcher.

Referenced by trajectories().

                                                                                                                                                                  {
   
   std::vector<TrackCand> result;

   TrajectoryStateTransform tsTrans;
   TrajectoryStateOnSurface innerTsos = tsTrans.innerStateOnSurface(*(mu.second), *theService->trackingGeometry(), &*theService->magneticField());
   TrajectoryStateOnSurface outerTsos = tsTrans.outerStateOnSurface(*(mu.second), *theService->trackingGeometry(), &*theService->magneticField());
   //build tracker TrackCands and pick the best match if size greater than 2
   vector<TrackCand> tkTrackCands;
   for(reco::TrackCollection::size_type i=0; i<theTrackerTracks->size(); ++i){
     reco::TrackRef tkTrack(theTrackerTracks,i);
     TrackCand tkCand = TrackCand((Trajectory*)(0),tkTrack);
     tkTrackCands.push_back(tkCand);
     LogTrace(category_) << "chisq is " << theTrackMatcher->match(mu,tkCand,0,0);
     LogTrace(category_) << "d is " << theTrackMatcher->match(mu,tkCand,1,0);
     LogTrace(category_) << "r_pos is " << theTrackMatcher->match(mu,tkCand,2,0);
   }

   // now if only 1 tracker tracks, return it
   if (tkTrackCands.size() <= 1 ) {
      return tkTrackCands;
   }
 
   // if there're many tracker tracks

   // if muon is only on one side
   GlobalPoint innerPos = innerTsos.globalPosition();
   GlobalPoint outerPos = outerTsos.globalPosition();

   if ( ( innerPos.basicVector().dot( innerTsos.globalMomentum().basicVector() ) *
       outerPos.basicVector().dot(outerTsos.globalMomentum().basicVector() ) > 0 ) ) {

      GlobalPoint geoInnerPos = (innerPos.mag() < outerPos.mag()) ? innerPos : outerPos;
     LogTrace(category_) <<"geoInnerPos Mu "<<geoInnerPos<<endl;

     // if there're tracker tracks totally on the other half
     // and there're tracker tracks on the same half
     // remove the tracks on the other half
     for(vector<TrackCand>::const_iterator itkCand = tkTrackCands.begin(); itkCand != tkTrackCands.end(); ++itkCand) {

        reco::TrackRef tkTrack = itkCand->second;

        GlobalPoint tkInnerPos(tkTrack->innerPosition().x(), tkTrack->innerPosition().y(), tkTrack->innerPosition().z());
        GlobalPoint tkOuterPos(tkTrack->outerPosition().x(), tkTrack->outerPosition().y(), tkTrack->outerPosition().z());
        LogTrace(category_) <<"tkTrack "<<tkInnerPos<<" "<<tkOuterPos<<endl;

        float closetDistance11 =  (geoInnerPos - tkInnerPos).mag() ; 
        float closetDistance12 =  (geoInnerPos - tkOuterPos).mag() ;
        float closetDistance1 = (closetDistance11 < closetDistance12) ? closetDistance11 : closetDistance12;
        LogTrace(category_) <<"closetDistance1 "<<closetDistance1<<endl;

        if (true || !isTraversing(*tkTrack) ) {
            bool keep = true;
            for(vector<TrackCand>::const_iterator itkCand2 = tkTrackCands.begin(); itkCand2 != tkTrackCands.end(); ++itkCand2) {
                if (itkCand2 == itkCand ) continue;
                reco::TrackRef tkTrack2 = itkCand2->second;

                GlobalPoint tkInnerPos2(tkTrack2->innerPosition().x(), tkTrack2->innerPosition().y(), tkTrack2->innerPosition().z());
                GlobalPoint tkOuterPos2(tkTrack2->outerPosition().x(), tkTrack2->outerPosition().y(), tkTrack2->outerPosition().z());
                LogTrace(category_) <<"tkTrack2 "<< tkInnerPos2 <<" "<<tkOuterPos2 <<endl;

                float farthestDistance21 =  (geoInnerPos - tkInnerPos2).mag() ;
                float farthestDistance22 =  (geoInnerPos - tkOuterPos2).mag() ;
                float farthestDistance2 = (farthestDistance21 > farthestDistance22) ? farthestDistance21 : farthestDistance22;
                LogTrace(category_) <<"farthestDistance2 "<<farthestDistance2<<endl;

                if (closetDistance1 > farthestDistance2 - 1e-3) {
                     keep = false;
                     break;
                } 
            }
            if (keep) result.push_back(*itkCand);
            else LogTrace(category_) <<"The Track is on different hemisphere"<<endl;
        } else {
          result.push_back(*itkCand);
        } 
     }
     if ( result.empty() ) { 
        //if all tk tracks on the other side, still keep them
        result = tkTrackCands;
     }
   } else { // muon is traversing
       result = tkTrackCands;
   }

  // match muCand to tkTrackCands
  vector<TrackCand> matched_trackerTracks = theTrackMatcher->match(mu, result);

  LogTrace(category_) <<"TrackMatcher found " << matched_trackerTracks.size() << "tracker tracks matched";
  
  //now pick the best matched one
  if(  matched_trackerTracks.size() < 2 ) {
    return matched_trackerTracks;
  } else {
    // in case of more than 1 tkTrack,
    // select the best-one based on distance (matchOption==1)
    // at innermost Mu hit surface. (surfaceOption == 0)
    result.clear();
    TrackCand bestMatch;

    double quality = 1e6;
    double max_quality = 1e6;
    for( vector<TrackCand>::const_iterator iter = matched_trackerTracks.begin(); iter != matched_trackerTracks.end(); iter++) {
      quality = theTrackMatcher->match(mu,*iter, 1, 0);
      LogTrace(category_) <<" quality of tracker track is " << quality;
      if( quality < max_quality ) {
        max_quality=quality;
        bestMatch = (*iter);
      }
    }
    LogTrace(category_) <<" Picked tracker track with quality " << max_quality;
    result.push_back(bestMatch);
    return result;
  }  
}
const Propagator* GlobalCosmicMuonTrajectoryBuilder::propagator ( void  ) const [inline]
void GlobalCosmicMuonTrajectoryBuilder::setEvent ( const edm::Event event) [virtual]

pass the Event to the algo at each event

Implements MuonTrajectoryBuilder.

Definition at line 62 of file GlobalCosmicMuonTrajectoryBuilder.cc.

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

                                                                      {
  event.getByLabel(theTkTrackLabel,theTrackerTracks);

//  edm::Handle<std::vector<Trajectory> > handleTrackerTrajs;
//  if ( event.getByLabel(theTkTrackLabel,handleTrackerTrajs) && handleTrackerTrajs.isValid() ) {
//      tkTrajsAvailable = true;
//      allTrackerTrajs = &*handleTrackerTrajs;   
//      LogInfo("GlobalCosmicMuonTrajectoryBuilder") 
//      << "Tk Trajectories Found! " << endl;
//  } else {
//      LogInfo("GlobalCosmicMuonTrajectoryBuilder") 
//      << "No Tk Trajectories Found! " << endl;
//      tkTrajsAvailable = false;
//  }

   theService->eventSetup().get<TransientRecHitRecord>().get(theTrackerRecHitBuilderName,theTrackerRecHitBuilder);
    theService->eventSetup().get<TransientRecHitRecord>().get(theMuonRecHitBuilderName,theMuonRecHitBuilder);

}
CosmicMuonSmoother* GlobalCosmicMuonTrajectoryBuilder::smoother ( ) const [inline, private]

Definition at line 73 of file GlobalCosmicMuonTrajectoryBuilder.h.

References theSmoother.

Referenced by utilities().

{return theSmoother;}
void GlobalCosmicMuonTrajectoryBuilder::sortHits ( ConstRecHitContainer hits,
ConstRecHitContainer muonHits,
ConstRecHitContainer tkHits 
) [private]

Definition at line 203 of file GlobalCosmicMuonTrajectoryBuilder.cc.

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

Referenced by trajectories().

                                                                                                                                         {

   if ( tkHits.empty() ) {
      LogTrace(category_) << "No valid tracker hits";
      return;
   }
   if ( muonHits.empty() ) {
      LogTrace(category_) << "No valid muon hits";
      return;
   }

   ConstRecHitContainer::const_iterator frontTkHit = tkHits.begin();
   ConstRecHitContainer::const_iterator backTkHit  = tkHits.end() - 1;
   while ( !(*frontTkHit)->isValid() && frontTkHit != backTkHit) {frontTkHit++;}
   while ( !(*backTkHit)->isValid() && backTkHit != frontTkHit)  {backTkHit--;}

   ConstRecHitContainer::const_iterator frontMuHit = muonHits.begin();
   ConstRecHitContainer::const_iterator backMuHit  = muonHits.end() - 1;
   while ( !(*frontMuHit)->isValid() && frontMuHit != backMuHit) {frontMuHit++;}
   while ( !(*backMuHit)->isValid() && backMuHit != frontMuHit)  {backMuHit--;}

   if ( frontTkHit == backTkHit ) {
      LogTrace(category_) << "No valid tracker hits";
      return;
   }
   if ( frontMuHit == backMuHit ) {
      LogTrace(category_) << "No valid muon hits";
      return;
   }

  GlobalPoint frontTkPos = (*frontTkHit)->globalPosition();
  GlobalPoint backTkPos = (*backTkHit)->globalPosition();

  GlobalPoint frontMuPos = (*frontMuHit)->globalPosition();
  GlobalPoint backMuPos = (*backMuHit)->globalPosition();

  //sort hits going from higher to lower positions
  if ( frontTkPos.y() < backTkPos.y() )  {//check if tk hits order same direction
    reverse(tkHits.begin(), tkHits.end());
  }

  if ( frontMuPos.y() < backMuPos.y() )  {
    reverse(muonHits.begin(), muonHits.end());
  }

//  LogTrace(category_)<< "tkHits after sort: "<<tkHits.size()<<endl;;
//  LogTrace(category_) <<utilities()->print(tkHits)<<endl;
//  LogTrace(category_) << "== End of tkHits == "<<endl;

//  LogTrace(category_)<< "muonHits after sort: "<<muonHits.size()<<endl;;
//  LogTrace(category_) <<utilities()->print(muonHits)<<endl;
//  LogTrace(category_)<< "== End of muonHits == "<<endl;

  //separate muon hits into 2 different hemisphere
  ConstRecHitContainer::iterator middlepoint = muonHits.begin();
  bool insertInMiddle = false;

  for (ConstRecHitContainer::iterator ihit = muonHits.begin(); 
       ihit != muonHits.end() - 1; ihit++ ) {
    GlobalPoint ipos = (*ihit)->globalPosition();
    GlobalPoint nextpos = (*(ihit+1))->globalPosition();
    if ( (ipos-nextpos).mag() < 100.0 ) continue;

    GlobalPoint middle((ipos.x()+nextpos.x())/2, (ipos.y()+nextpos.y())/2, (ipos.z()+nextpos.z())/2);
    LogTrace(category_)<<"ipos "<<ipos<<"nextpos"<<nextpos<<" middle "<<middle<<endl;
    if ( (middle.perp() < ipos.perp()) && (middle.perp() < nextpos.perp() ) ) {
      LogTrace(category_)<<"found middlepoint"<<endl;
      middlepoint = ihit;
      insertInMiddle = true;
      break;
    }
  }

  //insert track hits in correct order
  if ( insertInMiddle ) { //if tk hits should be sandwich
    GlobalPoint jointpointpos = (*middlepoint)->globalPosition();
    LogTrace(category_)<<"jointpoint "<<jointpointpos<<endl;
    if ((frontTkPos - jointpointpos).mag() > (backTkPos - jointpointpos).mag() ) {//check if tk hits order same direction
      reverse(tkHits.begin(), tkHits.end());
    }
    muonHits.insert(middlepoint+1, tkHits.begin(), tkHits.end());
    hits = muonHits; 
  } else { // append at one end
    if ( frontTkPos.y() < frontMuPos.y() ) { //insert at the end
      LogTrace(category_)<<"insert at the end "<<frontTkPos << frontMuPos <<endl;

      hits = muonHits; 
      hits.insert(hits.end(), tkHits.begin(), tkHits.end());
    } else { //insert at the beginning
      LogTrace(category_)<<"insert at the beginning "<<frontTkPos << frontMuPos <<endl;
      hits = tkHits;
      hits.insert(hits.end(), muonHits.begin(), muonHits.end());
    }
  }
}
MuonCandidate::CandidateContainer GlobalCosmicMuonTrajectoryBuilder::trajectories ( const TrackCand muCand) [virtual]

choose tk Track and build combined trajectories

Implements MuonTrajectoryBuilder.

Definition at line 85 of file GlobalCosmicMuonTrajectoryBuilder.cc.

References prof2calltree::back, category_, CosmicMuonSmoother::fit(), prof2calltree::front, getTransientRecHits(), TrajectoryStateOnSurface::globalMomentum(), TrajectoryStateOnSurface::globalPosition(), TrajectoryStateTransform::innerStateOnSurface(), edm::Ref< C, T, F >::isNull(), edm::HandleBase::isValid(), TrajectoryStateOnSurface::isValid(), LogTrace, match(), Trajectory::measurements(), TrajectoryStateTransform::outerStateOnSurface(), PV3DBase< T, PVType, FrameType >::perp(), query::result, sortHits(), theService, theSmoother, theTrackerTracks, CosmicMuonSmoother::trajectories(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                                                       {
  MuonCandidate::CandidateContainer result;

  if (!theTrackerTracks.isValid()) {
    LogTrace(category_)<< "Tracker Track collection is invalid!!!";
    return result;
  }

  LogTrace(category_) <<"Found "<<theTrackerTracks->size()<<" tracker Tracks";
  if (theTrackerTracks->empty()) return result;

  vector<TrackCand> matched = match(muCand, theTrackerTracks);

  LogTrace(category_) <<"TrackMatcher found " << matched.size() << "tracker tracks matched";
  
  if ( matched.empty()) return result;
  reco::TrackRef tkTrack = matched.front().second;
  
  if ( tkTrack.isNull() ) return result;
  reco::TrackRef muTrack = muCand.second;

  ConstRecHitContainer muRecHits;

  if (muCand.first == 0 || !muCand.first->isValid()) { 
     muRecHits = getTransientRecHits(*muTrack);
  } else {
     muRecHits = muCand.first->recHits();
  }

  LogTrace(category_)<<"mu RecHits: "<<muRecHits.size();

  ConstRecHitContainer tkRecHits = getTransientRecHits(*tkTrack);

//  if ( !tkTrajsAvailable ) {
//     tkRecHits = getTransientRecHits(*tkTrack);
//  } else {
//     tkRecHits = allTrackerTrajs->front().recHits();
//  }

  ConstRecHitContainer hits; //= tkRecHits;
  LogTrace(category_)<<"tk RecHits: "<<tkRecHits.size();

//  hits.insert(hits.end(), muRecHits.begin(), muRecHits.end());
//  stable_sort(hits.begin(), hits.end(), DecreasingGlobalY());

  sortHits(hits, muRecHits, tkRecHits);

//  LogTrace(category_)<< "Used RecHits after sort: "<<hits.size()<<endl;;
//  LogTrace(category_) <<utilities()->print(hits)<<endl;
//  LogTrace(category_) << "== End of Used RecHits == "<<endl;

  TrajectoryStateTransform tsTrans;

  TrajectoryStateOnSurface muonState1 = tsTrans.innerStateOnSurface(*muTrack, *theService->trackingGeometry(), &*theService->magneticField());
  TrajectoryStateOnSurface tkState1 = tsTrans.innerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());

  TrajectoryStateOnSurface muonState2 = tsTrans.outerStateOnSurface(*muTrack, *theService->trackingGeometry(), &*theService->magneticField());
  TrajectoryStateOnSurface tkState2 = tsTrans.outerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());

  TrajectoryStateOnSurface firstState1 =
   ( muonState1.globalPosition().y() > tkState1.globalPosition().y() )? muonState1 : tkState1;
  TrajectoryStateOnSurface firstState2 =
   ( muonState2.globalPosition().y() > tkState2.globalPosition().y() )? muonState2 : tkState2;

  TrajectoryStateOnSurface firstState =
   ( firstState1.globalPosition().y() > firstState2.globalPosition().y() )? firstState1 : firstState2;

    GlobalPoint front, back;
    if(hits.size()>0){
      front=hits.front()->globalPosition();
      back=hits.back()->globalPosition();
      if ( (front.perp()<130 && fabs(front.z())<300)|| (back.perp() <130 && fabs(back.z())<300)){
        if (hits.front()->globalPosition().perp()>hits.back()->globalPosition().perp()) reverse(hits.begin(), hits.end());
        tkState1 = tsTrans.innerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());
        tkState2 = tsTrans.outerStateOnSurface(*tkTrack, *theService->trackingGeometry(), &*theService->magneticField());
        firstState =( tkState1.globalPosition().perp() < tkState2.globalPosition().perp() )? tkState1 : tkState2;
      }
    }
    if (!firstState.isValid())       return result;
  LogTrace(category_) <<"firstTSOS pos: "<<firstState.globalPosition()<<"mom: "<<firstState.globalMomentum();

  // begin refitting

  TrajectorySeed seed;
  vector<Trajectory> refitted = theSmoother->trajectories(seed,hits,firstState);

  if ( refitted.empty() ) {
    LogTrace(category_)<<"smoothing trajectories fail";
    refitted = theSmoother->fit(seed,hits,firstState); //FIXME
  }

  if (refitted.empty()) {
     LogTrace(category_)<<"refit fail";
     return result;
  }

  Trajectory* myTraj = new Trajectory(refitted.front());

  const std::vector<TrajectoryMeasurement>& mytms = myTraj->measurements(); 
  LogTrace(category_)<<"measurements in final trajectory "<<mytms.size();
  LogTrace(category_) <<"Orignally there are "<<tkTrack->found()<<" tk rhs and "<<muTrack->found()<<" mu rhs.";

  if ( mytms.size() <= tkTrack->found() ) {
     LogTrace(category_)<<"insufficient measurements. skip... ";
     return result;
  }

  MuonCandidate* myCand = new MuonCandidate(myTraj,muTrack,tkTrack);
  result.push_back(myCand);
  LogTrace(category_)<<"final global cosmic muon: ";
  for (std::vector<TrajectoryMeasurement>::const_iterator itm = mytms.begin();
       itm != mytms.end(); ++itm ) {
       LogTrace(category_)<<"updated pos "<<itm->updatedState().globalPosition()
                       <<"mom "<<itm->updatedState().globalMomentum();
   }
  return result;
}
std::vector<Trajectory*> GlobalCosmicMuonTrajectoryBuilder::trajectories ( const TrajectorySeed ) [inline, virtual]

dummy implementation, unused in this class

Implements MuonTrajectoryBuilder.

Definition at line 55 of file GlobalCosmicMuonTrajectoryBuilder.h.

{return std::vector<Trajectory*>();}
CosmicMuonUtilities* GlobalCosmicMuonTrajectoryBuilder::utilities ( ) const [inline, private]

Definition at line 75 of file GlobalCosmicMuonTrajectoryBuilder.h.

References smoother(), and CosmicMuonSmoother::utilities().

{return smoother()->utilities();}

Member Data Documentation

Definition at line 98 of file GlobalCosmicMuonTrajectoryBuilder.h.

Definition at line 92 of file GlobalCosmicMuonTrajectoryBuilder.h.

Referenced by getTransientRecHits(), and setEvent().

Definition at line 89 of file GlobalCosmicMuonTrajectoryBuilder.h.

Referenced by getTransientRecHits(), and setEvent().

Definition at line 94 of file GlobalCosmicMuonTrajectoryBuilder.h.

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

Definition at line 96 of file GlobalCosmicMuonTrajectoryBuilder.h.