MuonSelector.cc

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#include "CommonTools/RecoAlgos/interface/MuonSelector.h"

#include "DataFormats/TrackerRecHit2D/interface/SiPixelRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripRecHit1D.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripRecHit2D.h"
#include "DataFormats/TrackerRecHit2D/interface/ProjectedSiStripRecHit2D.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripMatchedRecHit2D.h"

#include <DataFormats/SiStripDetId/interface/SiStripDetId.h>

#include "FWCore/MessageLogger/interface/MessageLogger.h"

using namespace reco;

namespace helper 
{
    MuonCollectionStoreManager::
    MuonCollectionStoreManager(const edm::Handle<reco::MuonCollection>&) 
      :
      selMuons_( new reco::MuonCollection ),
      selTracks_( new reco::TrackCollection ),
      selTracksExtras_( new reco::TrackExtraCollection ),
      selTracksHits_( new TrackingRecHitCollection ),
      selGlobalMuonTracks_( new reco::TrackCollection ),
      selGlobalMuonTracksExtras_( new reco::TrackExtraCollection ),    
      selGlobalMuonTracksHits_( new TrackingRecHitCollection ),
      selStandAloneTracks_( new reco::TrackCollection ),
      selStandAloneTracksExtras_( new reco::TrackExtraCollection ),
      selStandAloneTracksHits_( new TrackingRecHitCollection ),     
      selStripClusters_( new edmNew::DetSetVector<SiStripCluster> ),
      selPixelClusters_( new edmNew::DetSetVector<SiPixelCluster> ),
      rMuons_(),
      rTracks_(), rTrackExtras_(), rHits_(),
      rGBTracks_(), rGBTrackExtras_(), rGBHits_(),
      rSATracks_(), rSATrackExtras_(), rSAHits_(),
      clusterStorer_(),
      id_(0), igbd_(0), isad_(0), idx_(0), igbdx_(0),
      isadx_(0), hidx_(0), higbdx_(0), hisadx_(0),
      cloneClusters_ (true)
    {
    }

  
  //------------------------------------------------------------------
  //------------------------------------------------------------------
  void 
  MuonCollectionStoreManager::
  processMuon( const Muon & mu ) 
  {
        if (this->cloneClusters() 
            && (   (mu.globalTrack().isNonnull() && !this->clusterRefsOK(*mu.globalTrack()))
                || (mu.innerTrack() .isNonnull() && !this->clusterRefsOK(*mu.innerTrack() ))
                   // || (mu.outerTrack(). isNonnull() && !this->clusterRefsOK(*mu.outerTrack() ))
                   )) { // outer track is muon only and has no strip clusters...
          // At least until CMSSW_2_1_8, global muon track reconstruction assigns wrong hits in
          // case of a track from iterative tracking. These hits are fetched from Trajectories
          // instead of from Tracks and therefore reference temporary cluster collections.
          // As a hack we skip these muons here - they can anyway not be refitted. 
          edm::LogError("BadRef") << "@SUB=MuonCollectionStoreManager::processMuon"
                                  << "Skip muon: One of its tracks references "
                                  << "non-available clusters!";
          return;
        }
        
    selMuons_->push_back( Muon( mu ) );
    // only tracker Muon Track  
    selMuons_->back().setInnerTrack( TrackRef( rTracks_, id_ ++ ) );
    TrackRef trkRef = mu.track();
    if(trkRef.isNonnull()){

    selTracks_->push_back(Track( *trkRef) );

    Track & trk= selTracks_->back();

    selTracksExtras_->push_back( TrackExtra( trk.outerPosition(), trk.outerMomentum(), trk.outerOk(),
                         trk.innerPosition(), trk.innerMomentum(), trk.innerOk(),
                         trk.outerStateCovariance(), trk.outerDetId(),
                         trk.innerStateCovariance(), trk.innerDetId(),
                         trk.seedDirection() ) );

    TrackExtra & tx = selTracksExtras_->back();

    for( trackingRecHit_iterator hit = trk.recHitsBegin(); hit != trk.recHitsEnd();
         ++ hit, ++ hidx_) {
      selTracksHits_->push_back( (*hit)->clone() );
          TrackingRecHit * newHit = & (selTracksHits_->back());
      tx.add( TrackingRecHitRef( rHits_, hidx_ ) );
      if (cloneClusters() && newHit->isValid()
          && ((*hit)->geographicalId().det() == DetId::Tracker)) {
        clusterStorer_.addCluster( *selTracksHits_, hidx_ );
      }
    } // end of for loop over tracking rec hits on this track
    
    trk.setExtra( TrackExtraRef( rTrackExtras_, idx_ ++ ) );

    }// TO trkRef.isNonnull


    // global Muon Track    
    selMuons_->back().setGlobalTrack( TrackRef( rGBTracks_, igbd_ ++ ) );
    trkRef = mu.combinedMuon();
    if(trkRef.isNonnull()){
    selGlobalMuonTracks_->push_back(Track( *trkRef) );
    Track & trk = selGlobalMuonTracks_->back();
        
    selGlobalMuonTracksExtras_->push_back( TrackExtra( trk.outerPosition(), trk.outerMomentum(), trk.outerOk(),
                        trk.innerPosition(), trk.innerMomentum(), trk.innerOk(),
                        trk.outerStateCovariance(), trk.outerDetId(),
                        trk.innerStateCovariance(), trk.innerDetId(), trk.seedDirection() ) );
    TrackExtra & tx = selGlobalMuonTracksExtras_->back();
    for( trackingRecHit_iterator hit = trk.recHitsBegin(); hit != trk.recHitsEnd();
         ++ hit, ++ higbdx_) {
            selGlobalMuonTracksHits_->push_back( (*hit)->clone() );
            TrackingRecHit * newHit = & (selGlobalMuonTracksHits_->back()); 
            tx.add( TrackingRecHitRef( rGBHits_, higbdx_ ) );
        if (cloneClusters() && newHit->isValid()
        && ((*hit)->geographicalId().det() == DetId::Tracker)) {
          clusterStorer_.addCluster( *selGlobalMuonTracksHits_, higbdx_ );
      }

    }
    trk.setExtra( TrackExtraRef( rGBTrackExtras_, igbdx_ ++ ) );

    } // GB trkRef.isNonnull()

    // stand alone Muon Track   
    selMuons_->back().setOuterTrack( TrackRef( rSATracks_, isad_ ++ ) );
    trkRef = mu.standAloneMuon();
    if(trkRef.isNonnull()){
    selStandAloneTracks_->push_back(Track( *trkRef) );
    Track & trk = selStandAloneTracks_->back();
        
    selStandAloneTracksExtras_->push_back( TrackExtra( trk.outerPosition(), trk.outerMomentum(), trk.outerOk(),
                        trk.innerPosition(), trk.innerMomentum(), trk.innerOk(),
                        trk.outerStateCovariance(), trk.outerDetId(),
                        trk.innerStateCovariance(), trk.innerDetId(), trk.seedDirection() ) );
    TrackExtra & tx = selStandAloneTracksExtras_->back();
    for( trackingRecHit_iterator hit = trk.recHitsBegin(); hit != trk.recHitsEnd(); ++ hit ) {
      selStandAloneTracksHits_->push_back( (*hit)->clone() );
      tx.add( TrackingRecHitRef( rSAHits_, hisadx_ ++ ) );
    }
    trk.setExtra( TrackExtraRef( rSATrackExtras_, isadx_ ++ ) );

    } // SA trkRef.isNonnull()
  }// end of track, and function

  //-------------------------------------------------------------------------
  //-------------------------------------------------------------------------
  bool
  MuonCollectionStoreManager::
  clusterRefsOK(const reco::Track &track) const
  {

    for (trackingRecHit_iterator hitIt = track.recHitsBegin(); hitIt != track.recHitsEnd(); ++hitIt) {
      const TrackingRecHit &hit = **hitIt;
      if (!hit.isValid() || hit.geographicalId().det() != DetId::Tracker) continue;

      // So we are in the tracker - now check hit types and availability of cluster refs:
      const std::type_info &hit_type = typeid(hit);
      if (hit_type == typeid(SiPixelRecHit)) {
        if (!static_cast<const SiPixelRecHit &>(hit).cluster().isAvailable()) return false;
      } else if (hit_type == typeid(SiStripRecHit2D)) {
        if (!static_cast<const SiStripRecHit2D &>(hit).cluster().isAvailable()) return false;
      } else if (hit_type == typeid(SiStripRecHit1D)) {
        if (!static_cast<const SiStripRecHit1D &>(hit).cluster().isAvailable()) return false;
      } else if (hit_type == typeid(SiStripMatchedRecHit2D)) {      
        const SiStripMatchedRecHit2D &mHit = static_cast<const SiStripMatchedRecHit2D &>(hit);
        if (!mHit.monoHit().cluster().isAvailable()) return false;
        if (!mHit.stereoHit().cluster().isAvailable()) return false;
      } else if (hit_type == typeid(ProjectedSiStripRecHit2D)) {
        const ProjectedSiStripRecHit2D &pHit = static_cast<const ProjectedSiStripRecHit2D &>(hit);
        if (!pHit.originalHit().cluster().isAvailable()) return false;
      } else {
        // std::cout << "|   It is a " << hit_type.name() << " hit !?" << std::endl;
        // Do nothing. We might end up here for FastSim hits.
      } // end 'switch' on hit type
    }
    
    // No tracker hit with bad cluster found, so all fine:
    return true;
  }

  //------------------------------------------------------------------
  //------------------------------------------------------------------
    edm::OrphanHandle<reco::MuonCollection> 
    MuonCollectionStoreManager::
    put( edm::Event & evt ) {
      edm::OrphanHandle<reco::MuonCollection> h;
      h = evt.put( selMuons_ , "SelectedMuons");
      evt.put( selTracks_ , "TrackerOnly");
      evt.put( selTracksExtras_ , "TrackerOnly");
      evt.put( selTracksHits_ ,"TrackerOnly");
      evt.put( selGlobalMuonTracks_,"GlobalMuon" );
      evt.put( selGlobalMuonTracksExtras_ ,"GlobalMuon");
      evt.put( selGlobalMuonTracksHits_,"GlobalMuon" );
      evt.put( selStandAloneTracks_ ,"StandAlone");
      evt.put( selStandAloneTracksExtras_ ,"StandAlone");
      evt.put( selStandAloneTracksHits_ ,"StandAlone");
      if (cloneClusters()) {
          evt.put( selStripClusters_ );
          evt.put( selPixelClusters_ );
      }
      return h; 
     
    }


} // end of namespace helper