MuonTransientTrackingRecHitBreaker Class Reference

#include <MuonTransientTrackingRecHitBreaker.h>

Static Public Member Functions
static TransientTrackingRecHit::ConstRecHitContainer	breakInSubRecHits (TransientTrackingRecHit::ConstRecHitPointer, int granularity)
	takes a muon rechit and returns its sub-rechits given a certain granularity More...

Detailed Description

No description available.

Author

R. Bellan - INFN Torino ricca.nosp@m.rdo..nosp@m.bella.nosp@m.n@ce.nosp@m.rn.ch

Definition at line 12 of file MuonTransientTrackingRecHitBreaker.h.

Member Function Documentation

breakInSubRecHits()

TransientTrackingRecHit::ConstRecHitContainer MuonTransientTrackingRecHitBreaker::breakInSubRecHits ( TransientTrackingRecHit::ConstRecHitPointer  muonRecHit, int  granularity  )

static

takes a muon rechit and returns its sub-rechits given a certain granularity

Definition at line 5 of file MuonTransientTrackingRecHitBreaker.cc.

                                                                           {
  const std::string metname = "Muon|RecoMuon|MuonTransientTrackingRecHitBreaker";
 
  TransientTrackingRecHit::ConstRecHitContainer recHitsForFit;
 
  int subDet = muonRecHit->geographicalId().subdetId();
 
  switch (granularity) {
    case 0: {
      // Asking for 4D segments for the CSC/DT and a point for the RPC
      recHitsForFit.push_back(muonRecHit);
      break;
    }
    case 1: {
      if (subDet == MuonSubdetId::DT || subDet == MuonSubdetId::CSC)
        // measurement->recHit() returns a 4D segment, then
        // DT case: asking for 2D segments.
        // CSC case: asking for 2D points.
        recHitsForFit = muonRecHit->transientHits();
 
      else if (subDet == MuonSubdetId::RPC)
        recHitsForFit.push_back(muonRecHit);
 
      break;
    }
 
    case 2: {
      if (subDet == MuonSubdetId::DT) {
        // Asking for 2D segments. measurement->recHit() returns a 4D segment
        TransientTrackingRecHit::ConstRecHitContainer segments2D = muonRecHit->transientHits();
 
        // loop over segment
        for (TransientTrackingRecHit::ConstRecHitContainer::const_iterator segment = segments2D.begin();
             segment != segments2D.end();
             ++segment) {
          // asking for 1D Rec Hit
          TransientTrackingRecHit::ConstRecHitContainer rechit1D = (**segment).transientHits();
 
          // load them into the recHitsForFit container
          copy(rechit1D.begin(), rechit1D.end(), back_inserter(recHitsForFit));
        }
      }
 
      else if (subDet == MuonSubdetId::RPC)
        recHitsForFit.push_back(muonRecHit);
 
      else if (subDet == MuonSubdetId::CSC)
        // Asking for 2D points. measurement->recHit() returns a 4D segment
        recHitsForFit = (*muonRecHit).transientHits();
 
      break;
    }
 
    default: {
      throw cms::Exception(metname) << "Wrong granularity chosen!"
                                    << "it will be set to 0";
      break;
    }
  }
 
  return recHitsForFit;
}

References filterCSVwithJSON::copy, MuonSubdetId::CSC, MuonSubdetId::DT, Exception, metname, MuonSubdetId::RPC, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by MuonShowerInformationFiller::hitsFromSegments(), SeedTransformer::seedTransform(), and MuonTrajectoryUpdator::update().