Line data Source code
1 : #ifndef ALIITSPLANEEFFSDD_H
2 : #define ALIITSPLANEEFFSDD_H
3 : /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 : * See cxx source for full Copyright notice */
5 :
6 : #include <TH2I.h>
7 : #include <TProfile.h>
8 : #include "AliITSPlaneEff.h"
9 :
10 : class AliCDBId;
11 :
12 : ///////////////////////////////////////////
13 : // //
14 : // ITS Plane Efficiency class //
15 : // for SDD //
16 : // Origin: Giuseppe.Bruno@ba.infn.it //
17 : ///////////////////////////////////////////
18 :
19 : /* $Id$ */
20 :
21 : class AliITSPlaneEffSDD : public AliITSPlaneEff {
22 : public:
23 : AliITSPlaneEffSDD(); // default constructor
24 : virtual ~AliITSPlaneEffSDD(); // destructror
25 : // copy constructor
26 : AliITSPlaneEffSDD(const AliITSPlaneEffSDD &source);
27 : // ass. operator
28 : AliITSPlaneEffSDD& operator=(const AliITSPlaneEffSDD &s);
29 : // Simple way to add another class (i.e. statistics).
30 : AliITSPlaneEffSDD& operator +=( const AliITSPlaneEffSDD &add);
31 : // Getters for average Plane efficiency (icluding dead/noisy)
32 : Double_t PlaneEff(const UInt_t mod, const UInt_t chip,
33 : const UInt_t wing, const UInt_t subw=0) const;
34 : Double_t ErrPlaneEff(const UInt_t mod, const UInt_t chip,
35 : const UInt_t wing, const UInt_t subw=0) const;
36 : Double_t PlaneEff(const UInt_t key) const
37 0 : {return PlaneEff(GetModFromKey(key),GetChipFromKey(key),
38 0 : GetWingFromKey(key),GetSubWingFromKey(key));};
39 : Double_t ErrPlaneEff(const UInt_t key) const
40 0 : {return ErrPlaneEff(GetModFromKey(key),GetChipFromKey(key),
41 0 : GetWingFromKey(key),GetSubWingFromKey(key));};
42 : // Getters for fFound[] and fTried[]
43 : Int_t GetFound(const UInt_t key) const;
44 : Int_t GetTried(const UInt_t key) const;
45 : // Methods to update the Plane efficiency (specific of the SDD segmentation)
46 : Bool_t UpDatePlaneEff(const Bool_t Kfound, const UInt_t mod,
47 : const UInt_t chip, const UInt_t wing, const UInt_t subw=0);
48 : Bool_t UpDatePlaneEff(const Bool_t Kfound, const UInt_t key)
49 0 : {return UpDatePlaneEff(Kfound,GetModFromKey(key),GetChipFromKey(key),
50 0 : GetWingFromKey(key),GetSubWingFromKey(key));};
51 : //
52 : enum {kNModule = 260}; // The number of modules (i.e. detector 7.25*7.53 cm^2)
53 : enum {kNChip = 4}; // The number of chips per half module (i.e. per wing, in total 4+4 chips)
54 : enum {kNWing = 2}; // The number of wings (this is hardware division of the module)
55 : enum {kNSubWing = 1}; // Eventually sub-divide each wing (by 2 ?) to account for different
56 : // efficiencies due to different drift times.
57 : enum {kNAnode = 64}; // Number of channels/chip (i.e. anodes per chip)
58 : //enum {kNTimeBin = 174}; // granularity along drift direction (i.e. segmentation in r-phi)
59 :
60 : //
61 : // Plane efficiency for active detector (excluding dead/noisy channels)
62 : // access to DB is needed
63 : virtual Double_t LivePlaneEff(UInt_t key) const;
64 : Double_t LivePlaneEff(const UInt_t mod, const UInt_t chip,
65 : const UInt_t wing, const UInt_t subw=0) const
66 0 : {return LivePlaneEff(GetKey(mod,chip,wing,subw));};
67 : virtual Double_t ErrLivePlaneEff(UInt_t key) const;
68 : Double_t ErrLivePlaneEff(const UInt_t mod, const UInt_t chip,
69 : const UInt_t wing, const UInt_t subw=0) const
70 0 : {return ErrLivePlaneEff(GetKey(mod,chip,wing,subw));};
71 : // Compute the fraction of Live area (of the CHIP/SubWing for the SDD)
72 : virtual Double_t GetFracLive(const UInt_t key) const;
73 : // Compute the fraction of bad (i.e. dead and noisy) area (of the CHIP/SubWing for the SDD)
74 : virtual Double_t GetFracBad(const UInt_t key) const;
75 : virtual Bool_t WriteIntoCDB() const;
76 : virtual Bool_t ReadFromCDB(); // this method reads Data Members (statistics) from DataBase
77 : Bool_t AddFromCDB(AliCDBId *cdbId); // this method updates Data Members (statistics) from DataBase
78 0 : virtual Bool_t AddFromCDB() {AliCDBId *cdbId=0; return AddFromCDB(cdbId);}
79 : // method to locate a basic block from Detector Local coordinate (to be used in tracking)
80 : // see file cxx for numbering convention.
81 : // here idet runs from 0 to 83 for layer 2 and from 0 to 175 for layer 3
82 : UInt_t GetKeyFromDetLocCoord(Int_t ilay,Int_t idet, Float_t locx, Float_t locz) const;
83 : UInt_t Nblock() const; // return the number of basic blocks
84 : // compute the geometrical limit of a basic block in detector local coordinate system
85 : Bool_t GetBlockBoundaries(const UInt_t key,Float_t& xmn,Float_t& xmx,Float_t& zmn,Float_t& zmx) const;
86 : // Methods for dealing with auxiliary histograms
87 : // method to set on/off the creation/updates of histograms (Histos are created/destroyed)
88 : void SetCreateHistos(Bool_t his=kFALSE)
89 0 : {fHis=his; if(fHis) {DeleteHistos(); InitHistos();} else DeleteHistos(); return; }
90 : virtual Bool_t FillHistos(UInt_t key, Bool_t found, Float_t *track, Float_t *cluster, Int_t *ctype, Float_t *);
91 : virtual Bool_t WriteHistosToFile(TString filename="PlaneEffSDDHistos.root",Option_t* option = "RECREATE");
92 : virtual Bool_t ReadHistosFromFile(TString filename="PlaneEffSDDHistos.root"); // histos must exist already !
93 : // This method increases the
94 : // statistics of histos by adding
95 : // those of the input file.
96 : UInt_t GetKey(const UInt_t mod, const UInt_t chip, // unique key to locate the
97 : const UInt_t wing, const UInt_t subw=0) const; // basic block of the SDD
98 : // return chip [0,3] and wing [0,1] from the "absolute" chip number [0,7] as defined in AliITSsegmentationSDD
99 : void ChipAndWingFromChip07(const Int_t chip07, UInt_t& chip, UInt_t& wing) const;
100 : protected:
101 : virtual void Copy(TObject &obj) const;
102 : Int_t GetMissingTracksForGivenEff(Double_t eff, Double_t RelErr,
103 : UInt_t im, UInt_t ic, UInt_t iw, UInt_t isw=0) const;
104 : UInt_t GetModFromKey(const UInt_t key) const;
105 : UInt_t GetChipFromKey(const UInt_t key) const;
106 : UInt_t GetWingFromKey(const UInt_t key) const;
107 : UInt_t GetSubWingFromKey(const UInt_t key) const;
108 : // getters for chip and wing numbers, given the anode number [0,511]
109 : UInt_t ChipFromAnode(const UInt_t anode) const; // return the chip number (from 0 to kNChip-1)
110 : UInt_t WingFromAnode(const UInt_t anode) const; // return the wing number (from 0 to kNWing-1)
111 : void ChipAndWingFromAnode(const UInt_t anode,UInt_t& chip,UInt_t& wing) const;
112 : // return the Subwing (from 0 to kNSubWing-1) from the cell time bin in the range
113 : // [0,ntb] and from the number of time bins
114 : UInt_t SubWingFromTimeBin(const Int_t tb, const Int_t ntb) const;
115 :
116 : void ChipAndWingAndSubWingFromLocCoor(Float_t locx, Float_t locz,
117 : UInt_t& chip, UInt_t& wing, UInt_t& subw) const;
118 : //
119 : void GetAllFromKey(const UInt_t key, UInt_t& mod, UInt_t& chip,
120 : UInt_t& wing, UInt_t& subw) const;
121 : void GetBadInBlock(const UInt_t key, UInt_t& bad) const;
122 : //
123 : Int_t fFound[kNModule*kNChip*kNWing*kNSubWing]; // number of associated clusters in a given block
124 : Int_t fTried[kNModule*kNChip*kNWing*kNSubWing]; // number of tracks used for efficiency evaluation
125 :
126 : private:
127 : enum {kNHisto = kNModule}; // The number of histograms: module by module.
128 : enum {kNclu = 3}; // Build specific histos of residuals up to cluster size kNclu.
129 : // If you change them, then you must change implementation of
130 : // the method FillHistos.
131 :
132 : virtual void InitHistos(); // create histos by allocating memory for them
133 : virtual void DeleteHistos(); // deletete histos (memory is freed)
134 : virtual void CopyHistos(AliITSPlaneEffSDD& target) const; // copy only histograms to target
135 :
136 : TH1F **fHisResX; //! histos with residual distribution (track-cluster) along local X (r-phi)
137 : TH1F **fHisResZ; //! histos with residual distribution (track-cluster) along local Z
138 : TH2F **fHisResXZ; //! 2-d histos with residual distribution (track-cluster) along local X and Z
139 : TH2I **fHisClusterSize; //! histos with cluster-size distribution
140 : //TH1F ***fHisResXclu; //! histos with residual distribution along local X (r-phi) for cluster type
141 : TProfile **fProfResXvsCluSizeX; //! TProfile of X Residuals vs. cluster size in X
142 : TH1F ***fHisResZclu; //! histos with residual distribution along local Z for cluster type
143 : TProfile **fProfResXvsX; //! TProfile of X Residuals vs. X (of the cluster)
144 : TProfile **fProfResZvsX; //! TProfile of Z Residuals vs. X (of the cluster)
145 : TProfile **fProfClustSizeXvsX; //! TProfile of cluster_size_X vs. X (of the cluster)
146 : TProfile **fProfClustSizeZvsX; //! TProfile of cluster_size_X vs. X (of the cluster)
147 : TH1F **fHisTrackErrX; //! histos with track prediction error on Local X
148 : TH1F **fHisTrackErrZ; //! histos with track prediction error on Local Z
149 : TH1F **fHisClusErrX; //! histos with Local_X cluster error
150 : TH1F **fHisClusErrZ; //! histos with Local_Z cluster error
151 :
152 118 : ClassDef(AliITSPlaneEffSDD,2) // SDD Plane Efficiency class
153 : };
154 : //
155 0 : inline UInt_t AliITSPlaneEffSDD::Nblock() const {return kNModule*kNChip*kNWing*kNSubWing;}
156 :
157 : inline Int_t AliITSPlaneEffSDD::GetFound(const UInt_t key) const {
158 0 : if(key>=kNModule*kNChip*kNWing*kNSubWing) {AliWarning("GetFound: you asked for a non existing key"); return -1;}
159 0 : return fFound[key];
160 0 : }
161 : inline Int_t AliITSPlaneEffSDD::GetTried(const UInt_t key) const {
162 0 : if(key>=kNModule*kNChip*kNWing*kNSubWing) {AliWarning("GetTried: you asked for a non existing key"); return -1;}
163 0 : return fTried[key];
164 0 : }
165 : inline void AliITSPlaneEffSDD::ChipAndWingFromChip07(const Int_t chip07, UInt_t& chip,
166 : UInt_t& wing) const {
167 0 : if(chip07<0 || chip07>7)
168 0 : {AliWarning("ChipAndWingFromChip07: you asked for a non existing chip"); return;}
169 0 : else if(chip07<=3) { chip=chip07; wing=0;}
170 0 : else {chip=chip07-kNChip; wing=1;}
171 : return;
172 0 : }
173 : //
174 : #endif
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