1 #ifndef ALIANALYSISTASKITSALIGNQA
2 #define ALIANALYSISTASKITSALIGNQA
4 /* Copyright(c) 1998-2012, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 //*************************************************************************
8 // Class AliAnalysiTaskITSAlignQA
9 // AliAnalysisTaskSE to extract from ESD + ESDfriends
10 // the track-to-point residuals and dE/dx vs, time for SDD modules
12 // Author: F. Prino, prino@to.infn.it
13 //*************************************************************************
23 class AliITSTPArrayFit;
24 class AliTrackPointArray;
27 #include "AliAnalysisTaskSE.h"
29 class AliAnalysisTaskITSAlignQA : public AliAnalysisTaskSE {
32 enum {kEvAll=0,kEvCnt,kEvVtx,kEvPlp,kNTracks,kNEvStatBins, kEvAcc=kEvPlp};
33 AliAnalysisTaskITSAlignQA();
34 virtual ~AliAnalysisTaskITSAlignQA();
36 virtual void UserExec(Option_t *option);
37 virtual void UserCreateOutputObjects();
38 virtual void Terminate(Option_t *option);
40 void SetDoFillTPTree(Bool_t opt){
43 void SetDoSPDResiduals(Bool_t opt){
46 void SetDoSDDResiduals(Bool_t opt){
49 void SetDoSSDResiduals(Bool_t opt){
52 void SetDoSDDdEdxCalib(Bool_t opt){
55 void SetDoSDDVDriftCalib(Bool_t opt){
56 fDoSDDVDriftCalib=opt;
58 void SetDoSDDDriftTime(Bool_t opt){
61 void SetDoAllResiduals(){
62 fDoSPDResiduals=kTRUE;
63 fDoSDDResiduals=kTRUE;
64 fDoSSDResiduals=kTRUE;
68 fDoSDDdEdxCalib=kTRUE;
70 void SetUseITSstandaloneTracks(Bool_t use){
73 void SetLoadGeometryFromOCDB(Bool_t opt){
77 void SetMinITSPoints(Int_t minp=3){
80 void SetMinTPCPoints(Int_t minp=70){
83 void SetMinPt(Float_t minpt=1.0){
86 void SetUseTPCMomentum(Bool_t v=kTRUE) { fUseTPCMomentum = v;}
88 void SetMinVtxContributors(Int_t n=5) { fMinVtxContributors = n; }
89 void SetUseVertex(Bool_t v=kTRUE) { fUseVertex = v; }
90 void SetUseVertexForZOnly(Bool_t v=kTRUE) { fUseVertexForZOnly = v; } // Use the vertex for SDD Z residuals only
91 void SetRemovePileupWithSPD(Bool_t opt=kTRUE) { fRemovePileupWithSPD = opt; }
92 void SetMinMaxMult(Double_t mn=0,Double_t mx=1e9) {fMinMult=mn; fMaxMult=mx;}
93 void SetCutDCA(double xy, double z) {fCutDCAXY = xy; fCutDCAZ = z;}
95 void SetOCDBInfo(UInt_t runNb, const char *location) {
97 fOCDBLocation=location;
100 Bool_t GetUseTPCMomentum() const {return fUseTPCMomentum;}
101 Bool_t AcceptTrack(const AliESDtrack * track, const AliESDVertex* vtx=0);
102 Bool_t AcceptVertex(const AliESDVertex * vtx, const AliESDVertex * vtxSPD);
103 Bool_t AcceptCentrality(const AliESDEvent *esd) const;
104 void CreateSPDHistos();
105 void CreateSDDHistos();
106 void CreateSSDHistos();
108 void FitAndFillSPD(Int_t iLayer, const AliTrackPointArray *array, Int_t npts, AliESDtrack * track);
109 void FitAndFillSDDrphi(const AliTrackPointArray *array, Int_t npts, AliESDtrack * track);
110 void FitAndFillSDDz(Int_t iLayer, const AliTrackPointArray *array, Int_t npts, AliESDtrack * track);
111 void FitAndFillSSD(Int_t iLayer, const AliTrackPointArray *array, Int_t npts, AliESDtrack * track);
112 void SetPtBinLimits(Int_t nBins, Double_t* xbins){
114 if(nBins>kMaxPtBins) fNPtBins=kMaxPtBins;
115 for(Int_t iBin=0; iBin<=fNPtBins; iBin++) fPtBinLimits[iBin]=xbins[iBin];
117 void LoadGeometryFromOCDB();
118 AliTrackPointArray* PrepareTrack(const AliTrackPointArray* inp, const AliESDVertex* vtx=0);
119 void PrepareVertexConstraint(const AliESDVertex* vtx, AliTrackPoint &point);
121 void CreateUserInfo();
123 AliAnalysisTaskITSAlignQA(const AliAnalysisTaskITSAlignQA &source);
124 AliAnalysisTaskITSAlignQA& operator=(const AliAnalysisTaskITSAlignQA &source);
126 enum {kNSPDmods = 240};
127 enum {kNSDDmods = 260};
128 enum {kNSSDmods = 1698};
129 enum {kMaxPtBins = 12};
130 enum {kVtxSensVID=14371}; // dummy VID for "vertex" point
132 TList* fOutput; //! Histos with residuals
133 TH1F* fHistNEvents; //! histo with N of events
134 TH1F* fHistPtAccept; //! histo of pt distribution of accepted tracks
136 TH2F* fHistSPDResidX[kNSPDmods]; //! histos of SPD residuals along Xloc vs. Pt
137 TH2F* fHistSPDResidZ[kNSPDmods]; //! histos of SPD residuals along Zloc vs. Pt
138 TH2F* fHistSDDResidX[kNSDDmods]; //! histos of SDD residuals along Xloc vs. Pt
139 TH2F* fHistSDDResidZ[kNSDDmods]; //! histos of SDD residuals along Zloc vs. Pt
140 TH2F* fHistSSDResidX[kNSSDmods]; //! histos of SSD residuals along Xloc vs. Pt
141 TH2F* fHistSSDResidZ[kNSSDmods]; //! histos of SSD residuals along Zloc vs. Pt
143 TH2F* fHistSDDResidXvsX[kNSDDmods]; //! histos of SDD residuals along Xloc vs. Xloc
144 TH2F* fHistSDDResidXvsZ[kNSDDmods]; //! histos of SDD residuals along Xloc vs. Zloc
145 TH2F* fHistSDDResidZvsX[kNSDDmods]; //! histos of SDD residuals along Zloc vs. Xloc
146 TH2F* fHistSDDResidZvsZ[kNSDDmods]; //! histos of SDD residuals along Zloc vs. Zloc
147 TH2F* fHistSDDdEdxvsDrTime[kNSDDmods]; //! histos of SDD dE/dx vs. drift time
148 TH1F* fHistSDDDrTimeAll[kNSDDmods]; //! histos of SDD drift time (all clusters)
149 TH1F* fHistSDDDrTimeExtra[kNSDDmods]; //! histos of SDD drift time (extra clusters)
150 TH1F* fHistSDDDrTimeAttac[kNSDDmods]; //! histos of SDD drift time (attached clusters)
153 TProfile* fHProfSDDResidXvsXD[kNSDDmods][2]; // ! profile histos of SDD residuals along Xloc vs. Drift distance, each side separately
154 TProfile* fHProfSDDDrTimevsXD[kNSDDmods][2]; // ! profile histos of SDD drift time vs. Drift distance, each side separately
155 TProfile* fHProfSDDResidXvsZ[kNSDDmods][2]; // ! profile histos of SDD residuals along Xloc vs. Z (anode), each side separately
156 TProfile* fHProfSDDDrTimevsZ[kNSDDmods][2]; // ! profile histos of SDD drift time vs. Z (anode), each side separately
158 Bool_t fDoSPDResiduals; // Flag to enable histos of SPD residuals
159 Bool_t fDoSDDResiduals; // Flag to enable histos of SDD residuals
160 Bool_t fDoSSDResiduals; // Flag to enable histos of SSD residuals
161 Bool_t fDoSDDdEdxCalib; // Flag to enable histos for SDD dE/dx calibration
162 Bool_t fDoSDDVDriftCalib; // Flag to enable histos for SDD VDrift calibration
163 Bool_t fDoSDDDriftTime; // Flag to enable histos for SDD Drift times
164 Bool_t fDoFillTPTree; // Flag to enable tree with trackpoints
165 Bool_t fUseITSsaTracks; // Flag for using standalone ITS tracks
166 Bool_t fLoadGeometry; // Flag to control the loading of geometry from OCDB
167 Bool_t fUseVertex; // Use the vertex as an extra point
168 Bool_t fUseVertexForZOnly; // Use the vertex for SDD Z residuals only
169 Bool_t fUseTPCMomentum; // for the curv. constraint use TPC momentum rather than global
170 Int_t fMinVtxContributors; // min N contributors to accept vertex if fUseVertex is on
171 Bool_t fRemovePileupWithSPD; // Use/not use pileup rejection with SPD
172 Int_t fMinITSpts; // Minimum number of ITS points per track
173 Int_t fMinTPCpts; // Minimum number of TPC points per track
174 Float_t fMinPt; // Minimum pt to accept tracks
175 Int_t fNPtBins; // number of pt bins
176 Double_t fMinMult; // min centrality cut
177 Double_t fMaxMult; // max centrality cut
178 Double_t fPtBinLimits[kMaxPtBins+1]; // limits of Pt bins
179 Double_t fCutDCAXY; // apply rough XY DCA cut in case of vtx constraint, in terms of standard deviations
180 Double_t fCutDCAZ; // apply rough Z DCA cut in case of vtx constraint in terms of standard deviations
181 AliITSTPArrayFit* fFitter; // Track Point fitter
182 AliITSSumTP* fITSSumTP; // TracPoints summary objects
183 Int_t fRunNb; // Run number
184 TString fOCDBLocation; // OCDB location
185 ClassDef(AliAnalysisTaskITSAlignQA,6);