STEER/AliAlignmentTracks.h

   1 #ifndef ALIALIGNMENTTRACKS_H
   2 #define ALIALIGNMENTTRACKS_H
   3
   4 //*************************************************************************
   5 // AliAlignmentTracks: main steering class which deals with the alignment *
   6 // procedures based on reconstructed tracks.                              *
   7 // More comments will come with the development of the interfaces and     *
   8 // functionalities of the class.                                          *
   9 //*************************************************************************
  10
  11 #include <TObject.h>
  12
  13 #include "AliAlignObj.h"
  14
  15 class TChain;
  16 class AliTrackPointArray;
  17 class AliAlignObj;
  18 class AliTrackFitter;
  19 class AliTrackResiduals;
  20
  21 class AliAlignmentTracks : public TObject {
  22
  23  public:
  24
  25   AliAlignmentTracks();
  26   AliAlignmentTracks(TChain *esdchain);
  27   AliAlignmentTracks(const char *esdfilename, const char *esdtreename = "esdTree");
  28   AliAlignmentTracks(const AliAlignmentTracks & alignment);
  29   AliAlignmentTracks& operator= (const AliAlignmentTracks& alignment);
  30   virtual ~AliAlignmentTracks();
  31
  32   void AddESD(TChain *esdchain);
  33   void AddESD(const char *esdfilename, const char *esdtreename = "esdTree");
  34
  35   void SetPointsFilename(const char *pointsfilename = "AliTrackPoints.root") { fPointsFilename = pointsfilename; }
  36
  37   void ProcessESD(TSelector *selector);
  38   void ProcessESD();
  39
  40   void BuildIndex();
  41 /*   void BuildIndexLayer(AliAlignObj::ELayerID layer); */
  42 /*   void BuildIndexVolume(UShort_t volid); */
  43
  44   Bool_t ReadAlignObjs(const char *alignObjFileName = "AlignObjs.root", const char* arrayName = "Alignment");
  45
  46   void SetTrackFitter(AliTrackFitter *fitter) { fTrackFitter = fitter; }
  47   void SetMinimizer(AliTrackResiduals *minimizer) { fMinimizer = minimizer; }
  48
  49   void Align(Int_t iterations = 100);
  50   void AlignLayer(AliAlignObj::ELayerID layer,
  51                   AliAlignObj::ELayerID layerRangeMin = AliAlignObj::kFirstLayer,
  52                   AliAlignObj::ELayerID layerRangeMax = AliAlignObj::kLastLayer,
  53                   Int_t iterations = 1);
  54   void AlignVolume(UShort_t volid, UShort_t volidfit = 0,
  55                    AliAlignObj::ELayerID layerRangeMin = AliAlignObj::kFirstLayer,
  56                    AliAlignObj::ELayerID layerRangeMax = AliAlignObj::kLastLayer,
  57                    Int_t iterations = 1);
  58
  59  protected:
  60
  61   void InitIndex();
  62   void ResetIndex();
  63   void DeleteIndex();
  64
  65   void InitAlignObjs();
  66   void ResetAlignObjs();
  67   void DeleteAlignObjs();
  68
  69   Int_t LoadPoints(UShort_t volid, AliTrackPointArray** &points);
  70   void  UnloadPoints(Int_t n, AliTrackPointArray **points);
  71
  72   AliTrackFitter *CreateFitter();
  73   AliTrackResiduals *CreateMinimizer();
  74
  75   Bool_t Misalign(const char *misalignObjFileName, const char* arrayName);
  76
  77   TChain           *fESDChain;       //! Chain with ESDs
  78   TString           fPointsFilename; //  Name of the file containing the track point arrays
  79   TFile            *fPointsFile;     //  File containing the track point arrays
  80   TTree            *fPointsTree;     //  Tree with the track point arrays
  81   Int_t           **fLastIndex;      //! Last filled index in volume arrays
  82   TArrayI        ***fArrayIndex;     //! Volume arrays which contains the tree index
  83   Bool_t            fIsIndexBuilt;   //  Is points tree index built
  84   AliAlignObj    ***fAlignObjs;      //  Array with alignment objects
  85   AliAlignObj    ***fMisalignObjs;   //  Array with alignment objects used to introduce misalignment of the space-points
  86   AliTrackFitter   *fTrackFitter;    //  Pointer to the track fitter
  87   AliTrackResiduals*fMinimizer;      //  Pointer to track residuals minimizer
  88
  89   ClassDef(AliAlignmentTracks,1)
  90
  91 };
  92
  93 #endif