TRD/AliTRDtrackerV1.h

   1 #ifndef ALITRDTRACKERV1_H
   2 #define ALITRDTRACKERV1_H
   3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 /* $Id$ */
   7
   8 ////////////////////////////////////////////////////////////////////////////
   9 //                                                                        //
  10 //  The TRD tracker                                                       //
  11 //                                                                        //
  12 //  Authors:                                                              //
  13 //    Alex Bercuci <A.Bercuci@gsi.de>                                     //
  14 //    Markus Fasel <M.Fasel@gsi.de>                                       //
  15 //                                                                        //
  16 /////////////////////////////////////////////////////////////////////////////
  17
  18 #ifndef ALITRDTRACKER_H
  19 #include "AliTRDtracker.h"
  20 #endif
  21
  22 #define DEBUG
  23
  24 /**************************************************************************
  25  * Class Status see source file                                           *
  26  **************************************************************************/
  27
  28 class TFile;
  29 class TTreeSRedirector;
  30 class TClonesArray;
  31
  32 class AliRieman;
  33 class AliESDEvent;
  34
  35 class AliTRDseedV1;
  36 class AliTRDstackLayer;
  37 class AliTRDtrackerFitter;
  38 class AliTRDrecoParam;
  39
  40 class AliTRDtrackerV1 : public AliTRDtracker
  41 {
  42
  43  public:
  44         enum{
  45                 kNTimeBins = 35,
  46                 kNPlanes = 6,
  47                 kNSeedPlanes = 4,
  48                 kMaxTracksStack = 100,
  49                 kNConfigs = 15
  50         };
  51         AliTRDtrackerV1(AliTRDrecoParam *p = 0x0);
  52         AliTRDtrackerV1(const TFile *in, AliTRDrecoParam *p);
  53         ~AliTRDtrackerV1();
  54
  55         Int_t          Clusters2Tracks(AliESDEvent *esd);
  56         void           GetSeedingConfig(Int_t iconfig, Int_t planes[4]);
  57         void           GetExtrapolationConfig(Int_t iconfig, Int_t planes[2]);
  58         void           SetRecoParam(AliTRDrecoParam *p){fRecoParam = p;}
  59
  60  protected:
  61
  62         Double_t       BuildSeedingConfigs(AliTRDstackLayer *layer, Int_t *configs);
  63         Int_t          Clusters2TracksSM(AliTRDtracker::AliTRDtrackingSector *sector, AliESDEvent *esd);
  64         Int_t          Clusters2TracksStack(AliTRDstackLayer *layer, TClonesArray *esdTrackList);
  65         Double_t       CookPlaneQA(AliTRDstackLayer *layer);
  66         Double_t       CookLikelihood(AliTRDseedV1 *cseed, Int_t planes[4], Double_t *chi2);
  67         Int_t          GetSeedingLayers(AliTRDstackLayer *layers, Double_t *params);
  68         void           GetMeanCLStack(AliTRDstackLayer *layers, Int_t *planes, Double_t *params);
  69         AliTRDcluster *FindSeedingCluster(AliTRDstackLayer *layers, AliTRDseedV1/*AliRieman*/ *sfit);
  70         void           ImproveSeedQuality(AliTRDstackLayer *layer, AliTRDseedV1 *cseed);
  71         Int_t          MakeSeeds(AliTRDstackLayer *layers, AliTRDseedV1 *sseed, Int_t *ipar);
  72         AliTRDstackLayer *MakeSeedingLayer(AliTRDstackLayer *layers, Int_t Plane);
  73         AliTRDtrack*   RegisterSeed(AliTRDseedV1 *seeds, Double_t *params);
  74
  75  private:
  76
  77         AliTRDtrackerV1(const AliTRDtrackerV1 &tracker);
  78         AliTRDtrackerV1 &operator=(const AliTRDtrackerV1 &tracker);
  79
  80  private:
  81
  82         static Double_t      fTopologicQA[kNConfigs];         //  Topologic quality
  83         Double_t             fTrackQuality[kMaxTracksStack];  //  Track quality
  84         Int_t                fSeedLayer[kMaxTracksStack];     //  Seed layer
  85         Int_t                fSieveSeeding;                   //! Seeding iterator
  86         AliTRDrecoParam     *fRecoParam;                      //  Reconstruction parameters
  87         AliTRDtrackerFitter *fFitter;                         //! Fitter class of the tracker
  88         TTreeSRedirector    *fDebugStreamer;                  //! Debug stream of the tracker
  89
  90         ClassDef(AliTRDtrackerV1, 1)                          //  Stand alone tracker development class
  91
  92 };
  93 #endif