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SeedGenerator Class Reference

#include <RecoPixelVertexing/PixelLowPtUtilities/interface/SeedGenerator.h>

List of all members.

Public Member Functions
TrajectorySeed	seed (const reco::Track &recTrack, const edm::EventSetup &es, const edm::ParameterSet &ps)
	SeedGenerator (const edm::EventSetup &es)
	~SeedGenerator ()
Private Attributes
const TrackerGeometry *	theTracker

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Detailed Description

Definition at line 23 of file SeedGenerator.h.

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Constructor & Destructor Documentation

SeedGenerator::SeedGenerator

(

const edm::EventSetup &

es

)

Definition at line 43 of file SeedGenerator.cc.

References edm::EventSetup::get(), edm::ESHandle< T >::product(), and theTracker.

{
  edm::ESHandle<TrackerGeometry> tracker;
  es.get<TrackerDigiGeometryRecord>().get(tracker);
  theTracker = tracker.product();
}

SeedGenerator::~SeedGenerator

(

)

Definition at line 51 of file SeedGenerator.cc.

{
}

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Member Function Documentation

TrajectorySeed SeedGenerator::seed	(	const reco::Track &	recTrack,
		const edm::EventSetup &	es,
		const edm::ParameterSet &	ps
	)

Definition at line 81 of file SeedGenerator.cc.

References SeedFromConsecutiveHits::isValid(), reco::Track::recHit(), reco::Track::recHitsSize(), python::multivaluedict::sort(), theTracker, SeedFromConsecutiveHits::TrajSeed(), and reco::TrackBase::vertex().

Referenced by SeedProducer::produce().

{
  vector<const TrackingRecHit *> hits;
  for (unsigned int iHit = 0, nHits = track.recHitsSize();
                    iHit < nHits; ++iHit)
  {  
    TrackingRecHitRef refHit = track.recHit(iHit);
    if(refHit->isValid())
      hits.push_back(&(*refHit));
  } 

  sort(hits.begin(), hits.end(), SortByRadius(theTracker));

  GlobalPoint vtx(track.vertex().x(),
                  track.vertex().y(),
                  track.vertex().z()); 
  double originRBound = 0.2;
  double originZBound = 0.2;
  GlobalError vtxerr( originRBound*originRBound, 0, originRBound*originRBound,
                                              0, 0, originZBound*originZBound );

  SeedFromConsecutiveHits seedFromHits(hits, vtx, vtxerr, es,ps);

  if(seedFromHits.isValid()) 
  {
    return seedFromHits.TrajSeed();
  }
  else
  {
    return TrajectorySeed();
  }
}

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Member Data Documentation

const TrackerGeometry* SeedGenerator::theTracker [private]

Definition at line 31 of file SeedGenerator.h.

Referenced by SortByRadius::operator()(), seed(), and SeedGenerator().

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The documentation for this class was generated from the following files:

• RecoPixelVertexing/PixelLowPtUtilities/interface/SeedGenerator.h
• RecoPixelVertexing/PixelLowPtUtilities/src/SeedGenerator.cc

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