1 #ifndef ALIITSPLANEEFFSPD_H
2 #define ALIITSPLANEEFFSPD_H
3 /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 #include "AliITSPlaneEff.h"
10 ///////////////////////////////////////////
12 // ITS Plane Efficiency class //
14 // Origin: Giuseppe.Bruno@ba.infn.it //
15 ///////////////////////////////////////////
19 class AliITSPlaneEffSPD : public AliITSPlaneEff {
21 AliITSPlaneEffSPD(); // default constructor
22 virtual ~AliITSPlaneEffSPD(); // destructror
24 AliITSPlaneEffSPD(const AliITSPlaneEffSPD &source);
26 AliITSPlaneEffSPD& operator=(const AliITSPlaneEffSPD &s);
27 AliITSPlaneEff& operator=(const AliITSPlaneEff &source);
28 //AliPlaneEff& operator=(const AliPlaneEff &source);
29 // Simple way to add another class (i.e. statistics).
30 AliITSPlaneEffSPD& operator +=( const AliITSPlaneEffSPD &add);
31 // Getters for average Plane efficiency (icluding dead/noisy)
32 Double_t PlaneEff(const UInt_t mod, const UInt_t chip) const;
33 Double_t ErrPlaneEff(const UInt_t mod, const UInt_t chip) const;
34 Double_t PlaneEff(const UInt_t key) const
35 {return PlaneEff(GetModFromKey(key),GetChipFromKey(key));};
36 Double_t ErrPlaneEff(const UInt_t key) const
37 {return ErrPlaneEff(GetModFromKey(key),GetChipFromKey(key));};
38 // Methods to update the Plane efficiency (specific of the SPD segmentation)
39 Bool_t UpDatePlaneEff(const Bool_t Kfound, const UInt_t mod, const UInt_t chip);
40 virtual Bool_t UpDatePlaneEff(const Bool_t Kfound, const UInt_t key)
41 {return UpDatePlaneEff(Kfound,GetModFromKey(key),GetChipFromKey(key));};
43 enum {kNModule = 240}; // The number of modules
44 enum {kNChip = 5}; // The number of chips per module
45 enum {kNCol = 32}; // The number of columns per chip
46 enum {kNRow = 256}; // The number of rows per chip (and per module)
48 enum {kNHisto = kNModule}; // The number of histograms: module by module.
49 enum {kNclu = 3}; // Build specific histos of residuals up to cluster size kNclu.
50 // If you change them, then you must change implementation of
51 // the method FillHistos.
53 // UInt_t GetChip(const UInt_t col) const; // get the chip number (from 0 to kNChip)
54 // Plane efficiency for active detector (excluding dead/noisy channels)
55 // access to DB is needed
56 virtual Double_t LivePlaneEff(UInt_t key) const;
57 Double_t LivePlaneEff(const UInt_t mod, const UInt_t chip) const
58 {return LivePlaneEff(GetKey(mod,chip));};
59 virtual Double_t ErrLivePlaneEff(UInt_t key) const;
60 Double_t ErrLivePlaneEff(const UInt_t mod, const UInt_t chip) const
61 {return ErrLivePlaneEff(GetKey(mod,chip));};
62 // Compute the fraction of Live area (of the CHIP for the SPD)
63 virtual Double_t GetFracLive(const UInt_t key) const;
64 // Compute the fraction of bad (i.e. dead and noisy) area (of the CHIP for the SPD)
65 virtual Double_t GetFracBad(const UInt_t key) const;
66 virtual Bool_t WriteIntoCDB() const;
67 virtual Bool_t ReadFromCDB(); // this method reads Data Members (statistics) from DataBase
68 virtual Bool_t AddFromCDB() // this method updates Data Members (statistics) from DataBase
69 {AliError("AddFromCDB: Still To be implemented"); return kFALSE;}
70 // method to locate a basic block from Detector Local coordinate (to be used in tracking)
71 // see file cxx for numbering convention.
72 // here idet runs from 0 to 79 for layer 0 and from 0 to 159 for layer 1
73 UInt_t GetKey(const UInt_t mod, const UInt_t chip) const; // unique key to locate the basic
75 UInt_t GetKeyFromDetLocCoord(Int_t ilay,Int_t idet, Float_t, Float_t locz) const;
76 UInt_t Nblock() const; // return the number of basic blocks
77 // compute the geometrical limit of a basic block (chip) in detector local coordinate system
78 Bool_t GetBlockBoundaries(const UInt_t key,Float_t& xmn,Float_t& xmx,Float_t& zmn,Float_t& zmx) const;
79 // Methods for dealing with auxiliary histograms
80 // method to set on/off the creation/updates of histograms (Histos are created/destroyed)
81 void SetCreateHistos(Bool_t his=kFALSE)
82 //{fHis=his; if(fHis) InitHistos(); else DeleteHistos(); return; }
83 {fHis=his; if(fHis) {DeleteHistos(); InitHistos();} else DeleteHistos(); return; }
84 Bool_t FillHistos(UInt_t key, Bool_t found, Float_t trackXZ[2], Float_t clusterXZ[2], Int_t ctXZ[2]);
85 Bool_t WriteHistosToFile(TString filename="PlaneEffSPDHistos.root",Option_t* option = "RECREATE");
86 Bool_t ReadHistosFromFile(TString filename="PlaneEffSPDHistos.root"); // histos must exist already !
87 // This method increases the
88 // statistics of histos by adding
89 // those of the input file.
91 virtual void Copy(TObject &obj) const; // copy ALL data members to obj
92 // iboth statistics ad histograms)
93 void CopyHistos(AliITSPlaneEffSPD& target) const; // copy only histograms to target
94 Int_t GetMissingTracksForGivenEff(Double_t eff, Double_t RelErr, UInt_t im, UInt_t ic) const;
97 Int_t fFound[kNModule*kNChip]; // number of associated clusters in a given chip
98 Int_t fTried[kNModule*kNChip]; // number of tracks used for chip efficiency evaluation
99 TH1F **fHisResX; //! histos with residual distribution (track-cluster) along local X (r-phi)
100 TH1F **fHisResZ; //! histos with residual distribution (track-cluster) along local Z
101 TH2F **fHisResXZ; //! 2-d histos with residual distribution (track-cluster) along local X and Z
102 TH2I **fHisClusterSize; //! histos with cluster-size distribution
103 TH1F ***fHisResXclu; //! histos with residual distribution along local X (r-phi) for cluster type
104 TH1F ***fHisResZclu; //! histos with residual distribution along local Z for cluster type
106 //UInt_t GetKey(const UInt_t mod, const UInt_t chip) const; // unique key to locate the basic
108 UInt_t GetModFromKey(const UInt_t key) const;
109 UInt_t GetChipFromKey(const UInt_t key) const;
110 UInt_t GetChipFromCol(const UInt_t col) const; // get the chip number (from 0 to kNChip)
111 UInt_t GetColFromLocZ(Float_t zloc) const; // get the Column from the local z
112 Float_t GetLocZFromCol(const UInt_t col) const; // get the local Z from the column number,
113 // the latter in the range [0,kNChip*kNCol]
114 Float_t GetLocXFromRow(const UInt_t row) const; // get the local X from the row number
115 // the latter in the range [0,kNRow]
116 void GetModAndChipFromKey(const UInt_t key, UInt_t& mod, UInt_t& chip) const;
117 void GetDeadAndNoisyInChip(const UInt_t key, UInt_t& dead, UInt_t& noisy) const;
121 ClassDef(AliITSPlaneEffSPD,2) // SPD Plane Efficiency class
124 inline UInt_t AliITSPlaneEffSPD::Nblock() const {return kNModule*kNChip;}