1 #ifndef ALIITSALIGNMILLE_H
2 #define ALIITSALIGNMILLE_H
3 /* Copyright(c) 2007-2009 , ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
10 /// \class AliITSAlignMille
11 /// \brief Class for alignment of ITS
13 // Authors: Marcello Lunardon
17 #include "AliTrackPointArray.h"
20 class AliAlignObjParams;
23 class AliITSAlignMilleModule;
25 // number of used objects
26 #define ITSMILLE_NDETELEM 2198
27 #define ITSMILLE_NPARCH 6
28 #define ITSMILLE_NLOCAL 4
29 #define ITSMILLE_NSTDEV 3
31 class AliITSAlignMille:public TObject
35 AliITSAlignMille(const Char_t *configFilename="AliITSAlignMille.conf", Bool_t initmille=kTRUE);
36 virtual ~AliITSAlignMille();
39 Int_t GetModuleIndex(const Char_t *symname);
40 Int_t GetModuleIndex(UShort_t voluid);
41 UShort_t GetModuleVolumeID(const Char_t *symname);
42 UShort_t GetModuleVolumeID(Int_t index);
43 void SetCurrentModule(Int_t index);
44 void SetCurrentSensitiveModule(Int_t index); // set as current the SENSITIVE module with index 'index'
46 // configuration methods
47 void SetGeometryFileName(const Char_t* filename="geometry.root")
48 { fGeometryFileName = filename; }
49 const Char_t* GetGeometryFileName() {return fGeometryFileName.Data();}
50 const Char_t* GetPreAlignmentFileName() {return fPreAlignmentFileName.Data();}
51 void PrintCurrentModuleInfo();
52 void Print(Option_t*) const;
55 void SetMinNPtsPerTrack(Int_t pts=3) {fMinNPtsPerTrack=pts;}
56 Int_t ProcessTrack(AliTrackPointArray *track);
57 void InitTrackParams(int meth=1);
58 Int_t InitModuleParams();
59 Int_t CheckCurrentTrack();
60 Bool_t CheckVolumeID(UShort_t voluid) const; // checks voluid for sensitive volumes
61 Int_t IsDefined(UShort_t voluid) const;
62 Int_t IsContained(UShort_t voluid) const;
63 Int_t CalcIntersectionPoint(Double_t *lpar, Double_t *gpar);
64 Int_t CalcDerivatives(Int_t paridx, Bool_t islpar);
65 Double_t* GetLocalIntersectionPoint() {return fPintLoc;}
66 Double_t* GetGlobalIntersectionPoint() {return fPintGlo;}
67 void SetInitTrackParamsMeth(Int_t meth=1) {fInitTrackParamsMeth=meth;}
70 void FixParameter(Int_t param, Double_t value);
71 void AddConstraint(Double_t *factor, Double_t value );
72 void InitGlobalParameters(Double_t *par);
73 void SetLocalDerivative(Int_t index, Double_t value)
74 {fLocalDerivatives[index] = value;}
75 void SetGlobalDerivative(Int_t index, Double_t value)
76 {fGlobalDerivatives[index] = value;}
77 void LocalFit(Int_t iTrack, Double_t *lTrackParam, Int_t lSingleFit);
78 void GlobalFit(Double_t *parameters,Double_t *errors,Double_t *pulls);
79 void PrintGlobalParameters();
80 Double_t GetParError(Int_t iPar);
81 Int_t SetLocalEquations();
84 AliTrackPointArray *GetCurrentTrack() {return fTrack;}
85 AliTrackPoint *GetCurrentCluster() {return &fCluster;}
88 Int_t GetNModules() const {return fNModules;}
89 Int_t GetCurrentModuleIndex() const {return fCurrentModuleIndex;}
90 TGeoHMatrix *GetCurrentModuleHMatrix() {return fCurrentModuleHMatrix;}
91 Double_t *GetCurrentModuleTranslation() {return fCurrentModuleTranslation;}
92 Int_t GetCurrentModuleInternalIndex() const {return fCurrentModuleInternalIndex;}
93 Int_t *GetModuleIndexArray() {return fModuleIndex;}
94 AliITSAlignMilleModule *GetMilleModule(UShort_t voluid); // get pointer to the defined supermodule
95 AliITSAlignMilleModule *GetCurrentModule();
96 UShort_t *GetModuleVolumeIDArray() {return fModuleVolumeID;}
100 // configuration methods
101 Int_t LoadConfig(const Char_t *cfile="AliITSAlignMille.conf");
102 Int_t LoadSuperModuleFile(const Char_t *cfile="ITSMilleSuperModules.root");
103 void ResetLocalEquation();
105 Int_t ApplyToGeometry();
108 void Init(Int_t nGlobal, Int_t nLocal, Int_t nStdDev);
111 AliMillepede *fMillepede; ///< Detector independent alignment class
112 static Int_t fgNParCh; ///< Number of degrees of freedom per chamber
113 static Int_t fgNDetElem; ///< Total number of detection elements
114 Double_t fStartFac; ///< Initial value for chi2 cut
115 ///< if > 1 Iterations in AliMil. are turned on
116 Double_t fResCutInitial; ///< Cut on residual for first iteration
117 Double_t fResCut; ///< Cut on residual for other iterations
118 Int_t fNGlobal; ///< Number of global parameters
119 Int_t fNLocal; ///< Number of local parameters
120 Int_t fNStdDev; ///< Number of standard deviations for chi2 cut
121 Bool_t fIsMilleInit; ///
122 Double_t fParSigTranslations; ///< init sigma for transl. params [cm]
123 Double_t fParSigRotations; ///< init sigma for rot. params [deg]
126 AliTrackPointArray *fTrack; ///< pointer to current track
127 AliTrackPoint fCluster; ///< current cluster
128 Double_t *fGlobalDerivatives; ///< Array of global derivatives
129 Double_t fLocalDerivatives[ITSMILLE_NLOCAL]; ///< Array of local deriv.
130 Double_t fLocalInitParam[ITSMILLE_NLOCAL]; ///< Array with inital values for local parameters for current track
131 Double_t fModuleInitParam[ITSMILLE_NPARCH]; ///< Array with inital values for current module parameters (init geometry)
132 Double_t fPintLoc[3]; ///
133 Double_t fPintLoc0[3]; ///
134 Double_t fPintGlo[3]; ///
135 Double_t fMeasLoc[3]; // current point local coordinates (the original ones)
136 Double_t fMeasGlo[3]; // current point glob. coord (AliTrackPoint)
137 Double_t fSigmaLoc[3]; // stdev current point
138 //TGeoHMatrix *fTempHMat; ///
139 AliAlignObjParams *fTempAlignObj; ///
140 Double_t fDerivativeXLoc; // localX deriv.
141 Double_t fDerivativeZLoc; // localZ deriv.
142 Double_t fDeltaPar; ///
143 Int_t fMinNPtsPerTrack; ///
144 Int_t fInitTrackParamsMeth; ///
147 TString fGeometryFileName; ///
148 TString fPreAlignmentFileName; ///
149 TGeoManager *fGeoManager; ///
150 Int_t fCurrentModuleIndex; /// SuperModule index
151 Int_t fCurrentModuleInternalIndex; /// SuperModule internal index
152 Int_t fCurrentSensVolIndex; /// Current point (sens. vol.) index
153 Double_t fCurrentModuleTranslation[3]; ///
154 Int_t fNModules; /// number of defined modules from config file
155 Int_t fModuleIndex[ITSMILLE_NDETELEM*2]; ///
156 UShort_t fModuleVolumeID[ITSMILLE_NDETELEM*2]; ///
157 Bool_t fFreeParam[ITSMILLE_NDETELEM*2][ITSMILLE_NPARCH]; ///
158 Bool_t fUseLocalShifts; ///
159 Bool_t fUseSuperModules; ///
160 Bool_t fUsePreAlignment; ///
161 Int_t fNSuperModules; /// number of custom supermodules in SM file
162 TGeoHMatrix *fCurrentModuleHMatrix; /// SuperModule matrix
164 AliITSAlignMilleModule *fMilleModule[ITSMILLE_NDETELEM*2]; /// array of super modules to be aligned
166 AliITSAlignMilleModule *fSuperModule[ITSMILLE_NDETELEM*2]; /// array of super modules defined in supermodule file
168 AliITSAlignMille(const AliITSAlignMille& rhs);
169 AliITSAlignMille& operator=(const AliITSAlignMille& rhs);
172 ClassDef(AliITSAlignMille, 0)