1 #ifndef ALIITSPLANEEFFSSD_H
2 #define ALIITSPLANEEFFSSD_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"
11 ///////////////////////////////////////////
13 // ITS Plane Efficiency class //
15 // Origin: Giuseppe.Bruno@ba.infn.it //
16 ///////////////////////////////////////////
20 class AliITSPlaneEffSSD : public AliITSPlaneEff {
22 AliITSPlaneEffSSD(); // default constructor
23 virtual ~AliITSPlaneEffSSD(); // destructror
25 AliITSPlaneEffSSD(const AliITSPlaneEffSSD &source);
27 AliITSPlaneEffSSD& operator=(const AliITSPlaneEffSSD &s);
28 virtual AliITSPlaneEff& operator=(const AliITSPlaneEff &source);
29 // Simple way to add another class (i.e. statistics).
30 AliITSPlaneEffSSD& operator +=( const AliITSPlaneEffSSD &add);
31 // Getters for average Plane efficiency (icluding dead/noisy)
32 Double_t PlaneEff(const UInt_t mod) const;
33 Double_t ErrPlaneEff(const UInt_t mod) const;
34 // Methods to update the Plane efficiency (specific of the SSD segmentation)
35 Bool_t UpDatePlaneEff(const Bool_t Kfound, const UInt_t mod);
37 enum {kNModule = 1698}; // The number of modules
38 enum {kNChip = 6}; // The number of chips per side of a module (2 sides: 12 chips)
39 enum {kNSide = 2}; // The number of sides of a module (p and n side)
40 enum {kNStrip = 128}; // The number of strips per chip (in a module 2*768 strips)
42 // Plane efficiency for active detector (excluding dead/noisy channels)
43 // access to DB is needed
44 virtual Double_t LivePlaneEff(UInt_t mod) const;
45 virtual Double_t ErrLivePlaneEff(UInt_t mod) const;
46 // Compute the fraction of Live area (of the module for the SSD)
47 virtual Double_t GetFracLive(const UInt_t mod) const;
48 // Compute the fraction of bad (i.e. dead and noisy) area (of the module for the SSD)
49 virtual Double_t GetFracBad(const UInt_t mod) const;
50 virtual Bool_t WriteIntoCDB() const;
51 virtual Bool_t ReadFromCDB(); // this method reads Data Members (statistics) from DataBase
52 Bool_t AddFromCDB(AliCDBId *cdbId); // this method updates Data Members (statistics) from DataBase
53 virtual Bool_t AddFromCDB() {AliCDBId *cdbId=0; return AddFromCDB(cdbId);}
54 // method to locate a basic block from Detector Local coordinate (to be used in tracking)
55 // see file cxx for numbering convention.
56 // here idet runs from 0 to 747 for layer 4 and from 0 to 949 for layer 5
57 UInt_t GetKeyFromDetLocCoord(Int_t ilay,Int_t idet, Float_t, Float_t locz) const;
58 UInt_t Nblock() const; // return the number of basic blocks
59 // compute the geometrical limit of a basic block (chip) in detector local coordinate system
60 Bool_t GetBlockBoundaries(const UInt_t key,Float_t& xmn,Float_t& xmx,Float_t& zmn,Float_t& zmx) const;
61 // Methods for dealing with auxiliary histograms
62 // method to set on/off the creation/updates of histograms (Histos are created/destroyed)
63 virtual void SetCreateHistos(Bool_t his=kFALSE)
64 {fHis=his; if(fHis) {DeleteHistos(); InitHistos();} else DeleteHistos(); return; }
65 //Bool_t FillHistos(UInt_t key, Bool_t found, Float_t trackXZ[2], Float_t clusterXZ[2], Int_t ctXZ[2]);
66 virtual Bool_t FillHistos(UInt_t key, Bool_t found, Float_t *track, Float_t *cluster, Int_t *ctype);
67 virtual Bool_t WriteHistosToFile(TString filename="PlaneEffSSDHistos.root",Option_t* option = "RECREATE");
68 virtual Bool_t ReadHistosFromFile(TString filename="PlaneEffSSDHistos.root"); // histos must exist already !
69 // This method increases the
70 // statistics of histos by adding
71 // those of the input file.
72 UInt_t GetKey(const UInt_t mod) const; // unique key to locate the basic
73 // block of the SSD (the module itself)
75 virtual void Copy(TObject &obj) const;
76 Int_t GetMissingTracksForGivenEff(Double_t eff, Double_t RelErr, UInt_t im) const;
77 UInt_t GetModFromKey(const UInt_t key) const;
78 void GetBadInModule(const UInt_t mod, UInt_t& bad) const;
81 Int_t fFound[kNModule]; // number of associated clusters in a given module
82 Int_t fTried[kNModule]; // number of tracks used for module efficiency evaluation
85 enum {kNHisto = kNModule}; // The number of histograms: module by module.
86 //enum {kNclu = 3}; // Build specific histos of residuals up to cluster size kNclu.
87 // If you change them, then you must change implementation of
88 // the method FillHistos.
89 virtual void InitHistos(); // create histos by allocating memory for them
90 virtual void DeleteHistos(); // deletete histos (memory is freed)
91 void CopyHistos(AliITSPlaneEffSSD& target) const; // copy only histograms to target
93 TH1F **fHisResX; //! histos with residual distribution (track-cluster) along local X (r-phi)
94 TH1F **fHisResZ; //! histos with residual distribution (track-cluster) along local Z
95 TH2F **fHisResXZ; //! 2-d histos with residual distribution (track-cluster) along local X and Z
96 TH2I **fHisClusterSize; //! histos with cluster-size distribution
98 ClassDef(AliITSPlaneEffSSD,2) // SSD Plane Efficiency class
101 inline UInt_t AliITSPlaneEffSSD::Nblock() const {return kNModule;}
102 inline Bool_t AliITSPlaneEffSSD::GetBlockBoundaries(const UInt_t key,Float_t& xmn,Float_t& xmx,
103 Float_t& zmn,Float_t& zmx) const {
104 // This method return the geometrical boundaries of the active volume of a given
105 // basic block, in the detector reference system.
108 {AliWarning("GetBlockBoundaries: you asked for a non existing key"); return kFALSE;}
109 const Float_t kDxDefault = 72960.; // For Plane Eff. purpouses, default values
110 const Float_t kDzDefault = 40000.; // are precise enough !!!
111 const Float_t kconv = 1.0E-04; //converts microns to cm.
112 xmn=-kconv*kDxDefault/2.; xmx=kconv*kDxDefault/2.;
113 zmn=-kconv*kDzDefault/2.; zmx=kconv*kDzDefault/2.;