1 #ifndef ALIALIGNMENTTRACKS_H
2 #define ALIALIGNMENTTRACKS_H
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 //*************************************************************************
13 #include "AliAlignObj.h"
16 class AliTrackPointArray;
19 class AliTrackResiduals;
21 class AliAlignmentTracks : public TObject {
26 AliAlignmentTracks(TChain *esdchain);
27 AliAlignmentTracks(const char *esdfilename, const char *esdtreename = "esdTree");
28 virtual ~AliAlignmentTracks();
30 void AddESD(TChain *esdchain);
31 void AddESD(const char *esdfilename, const char *esdtreename = "esdTree");
33 void SetPointsFilename(const char *pointsfilename = "AliTrackPoints.root") { fPointsFilename = pointsfilename; }
35 void ProcessESD(TSelector *selector);
36 void ProcessESD(Bool_t onlyITS=kFALSE,Int_t minITSpts=0,
38 Float_t minMom=0.5,Float_t maxMom=1.e9,
39 Float_t minAbsSinPhi=0.,Float_t maxAbsSinPhi=1.,
40 Float_t minSinTheta=0.,Float_t maxSinTheta=1.);
41 void ProcessESDCosmics(Bool_t onlyITS=kFALSE,Int_t minITSpts=0,
43 Float_t minMom=0.5,Float_t maxMom=1.e9,
44 Float_t minAbsSinPhi=0.,Float_t maxAbsSinPhi=1.,
45 Float_t minSinTheta=0.,Float_t maxSinTheta=1.);
49 Bool_t ReadAlignObjs(const char *alignObjFileName = "AlignObjs.root", const char* arrayName = "Alignment");
51 void SetTrackFitter(AliTrackFitter *fitter) { fTrackFitter = fitter; }
52 void SetMinimizer(AliTrackResiduals *minimizer) { fMinimizer = minimizer; }
54 void AlignDetector(AliGeomManager::ELayerID firstLayer,
55 AliGeomManager::ELayerID lastLayer,
56 AliGeomManager::ELayerID layerRangeMin = AliGeomManager::kFirstLayer,
57 AliGeomManager::ELayerID layerRangeMax = AliGeomManager::kLastLayer,Int_t iterations = 1);
58 void AlignLayer(AliGeomManager::ELayerID layer,
59 AliGeomManager::ELayerID layerRangeMin = AliGeomManager::kFirstLayer,
60 AliGeomManager::ELayerID layerRangeMax = AliGeomManager::kLastLayer,
61 Int_t iterations = 1);
62 void AlignVolume(UShort_t volId, UShort_t volIdFit,
64 void AlignVolumes(const TArrayI *volids, const TArrayI *volidsfit = 0x0,
65 AliGeomManager::ELayerID layerRangeMin = AliGeomManager::kFirstLayer,
66 AliGeomManager::ELayerID layerRangeMax = AliGeomManager::kLastLayer,
67 Int_t iterations = 1);
69 AliAlignObj* GetAlignObj(UShort_t volid) const {
71 AliGeomManager::ELayerID iLayer = AliGeomManager::VolUIDToLayer(volid,iModule);
72 return fAlignObjs[iLayer-AliGeomManager::kFirstLayer][iModule];
74 void SetUpdate(Bool_t update){fDoUpdate = update;}
75 Bool_t GetUpdate() const { return fDoUpdate;}
83 void ResetAlignObjs();
84 void DeleteAlignObjs();
86 Int_t LoadPoints(const TArrayI *volids, AliTrackPointArray** &points);
87 void UnloadPoints(Int_t n, AliTrackPointArray **points);
89 AliTrackFitter *CreateFitter();
90 AliTrackResiduals *CreateMinimizer();
92 Bool_t Misalign(const char *misalignObjFileName, const char* arrayName);
94 TChain *fESDChain; //! Chain with ESDs
95 TString fPointsFilename; // Name of the file containing the track point arrays
96 TFile *fPointsFile; // File containing the track point arrays
97 TTree *fPointsTree; // Tree with the track point arrays
98 Int_t **fLastIndex; //! Last filled index in volume arrays
99 TArrayI ***fArrayIndex; //! Volume arrays which contains the tree index
100 Bool_t fIsIndexBuilt; // Is points tree index built
101 AliAlignObj ***fAlignObjs; // Array with alignment objects
102 AliAlignObj ***fMisalignObjs; // Array with alignment objects used to introduce misalignment of the space-points
103 AliTrackFitter *fTrackFitter; // Pointer to the track fitter
104 AliTrackResiduals*fMinimizer; // Pointer to track residuals minimizer
105 Bool_t fDoUpdate; // Indicator - update Alignment object after minimization
108 AliAlignmentTracks(const AliAlignmentTracks & alignment);
109 AliAlignmentTracks& operator= (const AliAlignmentTracks& alignment);
111 ClassDef(AliAlignmentTracks,2)