1 //========================================================================
2 // Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved.
3 // See cxx source for full Copyright notice
4 //========================================================================
7 // ---------------------
8 // Implementation of a track to be used for EMCAL track matching.
9 // This object is used to find track intersection with EMCAL surface
10 // in order to find the most well matched EMCAL cluster to associate to it.
11 // NO Kalman-like parameter updating is done.
13 // ------------------------------------------------------------------------
14 // author: A. Pulvirenti (alberto.pulvirenti@ct.infn.it)
15 //=========================================================================
17 #ifndef AliEMCALTRACK_H
18 #define AliEMCALTRACK_H
20 #include "AliExternalTrackParam.h"
24 class AliEMCALTrack : public AliExternalTrackParam
30 AliEMCALTrack(const AliESDtrack& t);
31 AliEMCALTrack(const AliEMCALTrack& t);
32 AliEMCALTrack& operator=(const AliEMCALTrack &t);
34 Bool_t PropagateTo(Double_t xr, Double_t d = 0.0, Double_t x0 = 21.82);
35 Double_t StraightPropagateTo(Double_t xk, Double_t &x, Double_t &y, Double_t &z);
36 Bool_t PropagateToGlobal(Double_t x, Double_t y, Double_t z, Double_t d = 0.0, Double_t x0 = 21.82);
38 Int_t Compare(const TObject *o) const ;
39 Int_t GetClusterIndex() const { return fClusterIndex ; }
40 Double_t GetClusterDist() const { return fClusterDist ; }
41 Double_t GetMass() const { return fMass ; }
42 Int_t GetSeedIndex() const { return fSeedIndex ; }
43 Int_t GetSeedLabel() const { return fSeedLabel ; }
44 Bool_t IsSortable() const { return kTRUE ; }
46 void SetClusterIndex(Int_t idx) { fClusterIndex = idx ; }
47 void SetClusterDist(Double_t dist) { fClusterDist = dist ; }
48 void SetMass(Double_t mass) { fMass = mass ; }
49 void SetSeedIndex(Int_t index) { fSeedIndex = index ; }
50 void SetSeedLabel(Int_t label) { fSeedLabel = label ; }
52 static void SetUseOuterParams(Bool_t doit = kTRUE) { fgUseOuterParams = doit ; }
53 static void SetCorrectForEL (Bool_t doit = kTRUE) { fgCorrectForEL = doit ; }
54 static void SetSortByPt (Bool_t doit = kTRUE) { fgSortByPt = doit ; }
58 Bool_t SimplePropagation(Double_t xk, Double_t d = 0.0, Double_t x0 = 0.0);
60 static Bool_t fgUseOuterParams; // use outer parameters from AliESDtrack?
61 static Bool_t fgCorrectForEL; // apply corrections for energy loss?
62 static Bool_t fgSortByPt; // true --> sort by pt, false --> sort by track-cluster distance
63 Int_t fClusterIndex; // index of matched cluster (if any)
64 Double_t fClusterDist; // distance between track propagation and matched cluster
65 Double_t fMass; // mass hypothesis (in GeV/c2)
66 Int_t fSeedIndex; // index of imported ESD track in its owner AliESD
67 Int_t fSeedLabel; // GEANT label of imported ESD track
71 ClassDef(AliEMCALTrack, 0) // track implementation for EMCAL matching