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
  42   Bool_t ReadAlignObjs(const char *alignObjFileName = "AlignObjs.root", const char* arrayName = "Alignment");
  43
  44   void SetTrackFitter(AliTrackFitter *fitter) { fTrackFitter = fitter; }
  45   void SetMinimizer(AliTrackResiduals *minimizer) { fMinimizer = minimizer; }
  46
  47   void AlignDetector(AliAlignObj::ELayerID firstLayer,
  48                      AliAlignObj::ELayerID lastLayer,
  49                      AliAlignObj::ELayerID layerRangeMin = AliAlignObj::kFirstLayer,
  50                      AliAlignObj::ELayerID layerRangeMax = AliAlignObj::kLastLayer,Int_t iterations = 1);
  51   void AlignLayer(AliAlignObj::ELayerID layer,
  52                   AliAlignObj::ELayerID layerRangeMin = AliAlignObj::kFirstLayer,
  53                   AliAlignObj::ELayerID layerRangeMax = AliAlignObj::kLastLayer,
  54                   Int_t iterations = 1);
  55   void AlignVolume(UShort_t volId, UShort_t volIdFit,
  56                    Int_t iterations);
  57   void AlignVolumes(const TArrayI *volids, const TArrayI *volidsfit = 0x0,
  58                    AliAlignObj::ELayerID layerRangeMin = AliAlignObj::kFirstLayer,
  59                    AliAlignObj::ELayerID layerRangeMax = AliAlignObj::kLastLayer,
  60                    Int_t iterations = 1);
  61
  62   AliAlignObj* GetAlignObj(UShort_t volid) const {
  63     Int_t iModule;
  64     AliAlignObj::ELayerID iLayer = AliAlignObj::VolUIDToLayer(volid,iModule);
  65     return fAlignObjs[iLayer-AliAlignObj::kFirstLayer][iModule];
  66   }
  67
  68  protected:
  69
  70   void InitIndex();
  71   void ResetIndex();
  72   void DeleteIndex();
  73
  74   void InitAlignObjs();
  75   void ResetAlignObjs();
  76   void DeleteAlignObjs();
  77
  78   Int_t LoadPoints(const TArrayI *volids, AliTrackPointArray** &points);
  79   void  UnloadPoints(Int_t n, AliTrackPointArray **points);
  80
  81   AliTrackFitter *CreateFitter();
  82   AliTrackResiduals *CreateMinimizer();
  83
  84   Bool_t Misalign(const char *misalignObjFileName, const char* arrayName);
  85
  86   TChain           *fESDChain;       //! Chain with ESDs
  87   TString           fPointsFilename; //  Name of the file containing the track point arrays
  88   TFile            *fPointsFile;     //  File containing the track point arrays
  89   TTree            *fPointsTree;     //  Tree with the track point arrays
  90   Int_t           **fLastIndex;      //! Last filled index in volume arrays
  91   TArrayI        ***fArrayIndex;     //! Volume arrays which contains the tree index
  92   Bool_t            fIsIndexBuilt;   //  Is points tree index built
  93   AliAlignObj    ***fAlignObjs;      //  Array with alignment objects
  94   AliAlignObj    ***fMisalignObjs;   //  Array with alignment objects used to introduce misalignment of the space-points
  95   AliTrackFitter   *fTrackFitter;    //  Pointer to the track fitter
  96   AliTrackResiduals*fMinimizer;      //  Pointer to track residuals minimizer
  97
  98   ClassDef(AliAlignmentTracks,1)
  99
 100 };
 101
 102 #endif