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//--------------------------------------------------------------------------------------------------
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// $Id: HitDropper.h,v 1.8 2009/10/12 21:41:08 loizides Exp $
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//
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// HitDropper
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//
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// Utility to remove (or rather flag) hits from a track which are inconsistant with a vertex fit.
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//
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// Authors: J.Bendavid
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//--------------------------------------------------------------------------------------------------
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#ifndef MITEDM_PRODUCERS_HITDROPPER_H
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#define MITEDM_PRODUCERS_HITDROPPER_H
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#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h"
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#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
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#include "DataFormats/TrackReco/interface/Track.h"
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#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
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#include "RecoTracker/TkDetLayers/interface/GeometricSearchTracker.h"
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#include "Geometry/CommonDetUnit/interface/GeomDet.h"
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#include "MitEdm/DataFormats/interface/Types.h"
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namespace mitedm
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{
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class HitDropper
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{
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public:
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HitDropper(const TrackerGeometry *geo, const TransientTrackBuilder *builder,
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const GeometricSearchTracker *search) :
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trackerGeo_(geo),
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builder_(builder),
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trackerGeoSearch_(search) {}
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reco::HitPattern CorrectedHits(const reco::TransientTrack *tTrack,
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const ThreeVector &vtxPos) const;
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reco::HitPattern CorrectedHits(const reco::Track *track,
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const ThreeVector &vtxPos) const;
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reco::HitPattern CorrectedHits(const reco::Track *track,
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const ThreeVector &vtxPos,
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const ThreeVector &trkMom,
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Double_t lxyError,
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Double_t lzError,
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Double_t sigmaTolerance=3.0) const;
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reco::HitPattern CorrectedHitsAOD(const reco::Track *track,
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const ThreeVector &vtxPos,
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const ThreeVector &trkMom,
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Double_t lxyError,
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Double_t lzError,
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Double_t sigmaTolerance=1.5) const;
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reco::HitPattern SharedHits(const reco::Track *t1, const reco::Track *t2) const;
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bool IsBarrel(const GeomDet *det) const;
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bool IsDisk(const GeomDet *det) const;
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protected:
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const DetLayer *FindLayer(int subdet, int layer, int side) const;
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DetId StereoDetId(const DetId &i) const;
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const TrackerGeometry *trackerGeo_; //tracker geometry
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const TransientTrackBuilder *builder_; //track builder
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const GeometricSearchTracker *trackerGeoSearch_; //geometrical track searcher
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};
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}
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//-------------------------------------------------------------------------------------------------
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inline bool mitedm::HitDropper::IsBarrel(const GeomDet *det) const
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{
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// Check if detector element is in a barrel layer.
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GeomDetEnumerators::SubDetector subDet = det->subDetector();
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if (subDet==GeomDetEnumerators::PixelBarrel || subDet==GeomDetEnumerators::TIB
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|| subDet==GeomDetEnumerators::TOB || subDet==GeomDetEnumerators::DT
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|| subDet==GeomDetEnumerators::RPCBarrel)
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return true;
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else
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return false;
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}
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//-------------------------------------------------------------------------------------------------
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inline bool mitedm::HitDropper::IsDisk(const GeomDet *det) const
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{
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// Check if detector element is in a barrel layer.
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GeomDetEnumerators::SubDetector subDet = det->subDetector();
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if (subDet==GeomDetEnumerators::PixelEndcap || subDet==GeomDetEnumerators::TID
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|| subDet==GeomDetEnumerators::TEC || subDet==GeomDetEnumerators::CSC
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|| subDet==GeomDetEnumerators::RPCEndcap)
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return true;
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else
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return false;
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}
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#endif
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