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9b98d361 | 1 | // -*- mode: c++ -*- |
2 | #ifndef ALIFMDANARING_H | |
3 | #define ALIFMDANARING_H | |
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights | |
5 | * reserved. | |
6 | * | |
7 | * Latest changes by Christian Holm Christensen <cholm@nbi.dk> | |
8 | * | |
9 | * See cxx source for full Copyright notice | |
10 | */ | |
11 | //____________________________________________________________________ | |
12 | // | |
13 | // Utility class for analysing ESD data. | |
14 | // This class does sharing and background correction | |
15 | // | |
16 | #include <TObject.h> | |
17 | #include <TH2.h> | |
18 | #include <TH1.h> | |
19 | class TBrowser; | |
20 | ||
21 | /** Base class for analysing FMD ESD data */ | |
22 | class AliFMDAnaRing : public TObject | |
23 | { | |
24 | public: | |
25 | /** Constructor */ | |
26 | AliFMDAnaRing(); | |
27 | /** Constructor | |
28 | @param det Detector | |
29 | @param ring Ring | |
30 | @param bg Background - not owned | |
31 | @param c0 Lower cut | |
32 | @param c1 higher cut */ | |
33 | AliFMDAnaRing(UShort_t det, Char_t ring, TH2* bg, Float_t c0, Float_t c1); | |
34 | /** Destructor */ | |
35 | virtual ~AliFMDAnaRing() {} | |
36 | /** Called at beginning of run */ | |
37 | virtual void Init() { fNEvents = 0; } | |
38 | /** Called at beginning of event */ | |
39 | virtual void Begin() { fNEvents++; } | |
40 | /** Process ESD | |
41 | @param phi Azimuthal angle @f$ \varphi @f$ of the hit (radians) | |
42 | @param eta Psuedo-rapidity @f$ \eta@f$ of hit | |
43 | @param m1 Multiplicity of this strip | |
44 | @param m2 Multiplicity of neighbor strip | |
45 | @return @c true if hits are merged */ | |
46 | virtual Bool_t ProcessESD(Float_t phi, Float_t eta, Float_t& m1, Float_t m2); | |
47 | /** User defined member function. | |
48 | @param phi Azimuthal angle @f$ \varphi @f$ of the hit (radians) | |
49 | @param eta Psuedo-rapidity @f$ \eta@f$ of hit | |
50 | @param mult Corrected multiplicity */ | |
51 | virtual void Fill(Float_t phi, Float_t eta, Float_t mult) = 0; | |
52 | /** Called at end of event */ | |
53 | virtual void End() {} | |
54 | /** Called at end of run */ | |
55 | virtual void Finish(); | |
56 | /** Get the detector identifier | |
57 | @return Detector identifier */ | |
58 | UShort_t Detector() const { return fDet; } | |
59 | /** Get the ring identifier | |
60 | @return Ring identifier */ | |
61 | Char_t Ring() const { return fRing; } | |
62 | /** Get the number of seqments */ | |
63 | UShort_t NSeq() const { return fNSeq; } | |
64 | /** Get the name | |
65 | @return static string */ | |
66 | const Char_t* Name() const { return fName; } | |
67 | /** Get the ring color | |
68 | @return color */ | |
69 | Int_t Color() const; | |
70 | /** Browse this object */ | |
71 | virtual void Browse(TBrowser* b); | |
72 | /** This is a folder */ | |
73 | virtual Bool_t IsFolder() const { return kTRUE; } | |
74 | protected: | |
75 | /** Hidden copy constructor */ | |
76 | AliFMDAnaRing(const AliFMDAnaRing&); | |
77 | /** Hidden Assignement operator */ | |
78 | AliFMDAnaRing& operator=(const AliFMDAnaRing&); | |
79 | /** Detector number */ | |
80 | UShort_t fDet; // Detector number | |
81 | /** Ring identifier */ | |
82 | Char_t fRing; // Ring identifier | |
83 | /** Name */ | |
84 | Char_t fName[6]; // Name | |
85 | /** Background correction */ | |
86 | TH2* fBg; // Background correction | |
87 | /** Lower cut */ | |
88 | Float_t fCut0; // Lower cut | |
89 | /** Higher cut */ | |
90 | Float_t fCut1; // Higher cut | |
91 | /** Whether to use bacground correction */ | |
92 | Bool_t fUseBgCor; // Whether to use bacground correction | |
93 | /** # of segments */ | |
94 | Int_t fNSeq; // # of segments | |
95 | /** Histogram of multiplicity before any cuts */ | |
96 | TH2D fBareMult; | |
97 | /** Histogram of multiplicity after merging */ | |
98 | TH2D fMergedMult; | |
99 | /** Histogram of removed multiplicity */ | |
100 | TH2D fRemovedMult; | |
101 | /** Histogram of background corrected */ | |
102 | TH2D fMult; | |
103 | /** Step histogram 1 */ | |
104 | TH2D fStep1; | |
105 | /** Step histogram 1 */ | |
106 | TH2D fStep2; | |
107 | /** Step histogram 1 */ | |
108 | TH2D fStep3; | |
109 | ||
110 | /** Event counter */ | |
111 | Int_t fNEvents; | |
112 | ClassDef(AliFMDAnaRing,1) // Analysis of ESD in a ring | |
113 | }; | |
114 | ||
115 | ||
116 | #endif | |
117 | // | |
118 | // EOF | |
119 | // |