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#ifndef RecoSelectors_RecoTrackSelector_h
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#define RecoSelectors_RecoTrackSelector_h
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/* \class RecoTrackSelector
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*
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* \author Giuseppe Cerati, INFN
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*
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* $Date: 2009/10/20 17:15:14 $
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* $Revision: 1.1 $
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*
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*/
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#include "DataFormats/TrackReco/interface/Track.h"
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#include "DataFormats/TrackReco/interface/TrackFwd.h"
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#include "DataFormats/BeamSpot/interface/BeamSpot.h"
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class RecoTrackSelector {
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public:
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typedef reco::TrackCollection collection;
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typedef std::vector<const reco::Track *> container;
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typedef container::const_iterator const_iterator;
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/// Constructors
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RecoTrackSelector() {}
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RecoTrackSelector ( const edm::ParameterSet & cfg ) :
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ptMin_(cfg.getParameter<double>("ptMin")),
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minRapidity_(cfg.getParameter<double>("minRapidity")),
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maxRapidity_(cfg.getParameter<double>("maxRapidity")),
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tip_(cfg.getParameter<double>("tip")),
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lip_(cfg.getParameter<double>("lip")),
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minHit_(cfg.getParameter<int>("minHit")),
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maxChi2_(cfg.getParameter<double>("maxChi2")),
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quality_(cfg.getParameter<std::string>("quality")),
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algorithm_(cfg.getParameter<std::string>("algorithm")) { }
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RecoTrackSelector ( double ptMin, double minRapidity, double maxRapidity,
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double tip, double lip, int minHit, double maxChi2,
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std::string quality , std::string algorithm ) :
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ptMin_( ptMin ), minRapidity_( minRapidity ), maxRapidity_( maxRapidity ),
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tip_( tip ), lip_( lip ), minHit_( minHit ), maxChi2_( maxChi2 ),
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quality_(quality),algorithm_(algorithm) { }
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const_iterator begin() const { return selected_.begin(); }
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const_iterator end() const { return selected_.end(); }
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void select( const edm::Handle<collection>& c, const edm::Event & event, const edm::EventSetup&) {
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selected_.clear();
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edm::Handle<reco::BeamSpot> beamSpot;
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event.getByLabel("offlineBeamSpot",beamSpot);
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for( reco::TrackCollection::const_iterator trk = c->begin();
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trk != c->end(); ++ trk )
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if ( operator()(*trk,beamSpot.product()) ) {
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selected_.push_back( & * trk );
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}
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}
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/// Operator() performs the selection: e.g. if (recoTrackSelector(track)) {...}
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bool operator()( const reco::Track & t, const reco::BeamSpot* bs) {
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return
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(t.hitPattern().trackerLayersWithMeasurement() >= minHit_ &&
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fabs(t.pt()) >= ptMin_ &&
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t.eta() >= minRapidity_ && t.eta() <= maxRapidity_ &&
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fabs(t.dxy(bs->position())) <= tip_ &&
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fabs(t.dsz(bs->position())) <= lip_ &&
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t.normalizedChi2()<=maxChi2_ &&
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(t.quality(t.qualityByName(quality_)) || quality_ == "" ) &&
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(algorithm_ == t.algoName() || algorithm_ == ""));
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}
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size_t size() const { return selected_.size(); }
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private:
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double ptMin_;
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double minRapidity_;
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double maxRapidity_;
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double tip_;
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double lip_;
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int minHit_;
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double maxChi2_;
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std::string quality_;
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std::string algorithm_;
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container selected_;
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};
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#endif
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