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7e4038b5 | 1 | #ifndef ALIROOT_PWG2_FORWARD_ALIFORWARDUTIL_H |
2 | #define ALIROOT_PWG2_FORWARD_ALIFORWARDUTIL_H | |
3 | #include <TObject.h> | |
4 | class TH2D; | |
5 | class TAxis; | |
6 | ||
7 | /** | |
8 | * Utilities used in the forward multiplcity analysis | |
9 | * | |
10 | * @ingroup pwg2_forward_analysis | |
11 | */ | |
12 | class AliForwardUtil : public TObject | |
13 | { | |
14 | public: | |
15 | /** | |
16 | * Structure to hold histograms | |
17 | * | |
18 | * @ingroup pwg2_forward_analysis | |
19 | */ | |
20 | struct Histos : public TObject | |
21 | { | |
22 | /** | |
23 | * Constructor | |
24 | * | |
25 | * | |
26 | */ | |
27 | Histos() : fFMD1i(0), fFMD2i(0), fFMD2o(0), fFMD3i(0), fFMD3o(0) {} | |
28 | /** | |
29 | * Copy constructor | |
30 | * | |
31 | * @param o Object to copy from | |
32 | */ | |
33 | Histos(const Histos& o) | |
34 | : TObject(o), | |
35 | fFMD1i(o.fFMD1i), | |
36 | fFMD2i(o.fFMD2i), | |
37 | fFMD2o(o.fFMD2o), | |
38 | fFMD3i(o.fFMD3i), | |
39 | fFMD3o(o.fFMD3o) | |
40 | {} | |
41 | /** | |
42 | * Assignement operator | |
43 | * | |
44 | * @return Reference to this | |
45 | */ | |
46 | Histos& operator=(const Histos&) { return *this;} | |
47 | /** | |
48 | * Destructor | |
49 | */ | |
50 | ~Histos(); | |
51 | /** | |
52 | * Initialize the object | |
53 | * | |
54 | * @param etaAxis Eta axis to use | |
55 | */ | |
56 | void Init(const TAxis& etaAxis); | |
57 | /** | |
58 | * Make a histogram | |
59 | * | |
60 | * @param d Detector | |
61 | * @param r Ring | |
62 | * @param etaAxis Eta axis to use | |
63 | * | |
64 | * @return Newly allocated histogram | |
65 | */ | |
66 | TH2D* Make(UShort_t d, Char_t r, const TAxis& etaAxis) const; | |
67 | /** | |
68 | * Clear data | |
69 | * | |
70 | * @param option Not used | |
71 | */ | |
72 | void Clear(Option_t* option=""); | |
73 | // const TH2D* Get(UShort_t d, Char_t r) const; | |
74 | /** | |
75 | * Get the histogram for a particular detector,ring | |
76 | * | |
77 | * @param d Detector | |
78 | * @param r Ring | |
79 | * | |
80 | * @return Histogram for detector,ring or nul | |
81 | */ | |
82 | TH2D* Get(UShort_t d, Char_t r) const; | |
83 | TH2D* fFMD1i; // Histogram for FMD1i | |
84 | TH2D* fFMD2i; // Histogram for FMD2i | |
85 | TH2D* fFMD2o; // Histogram for FMD2o | |
86 | TH2D* fFMD3i; // Histogram for FMD3i | |
87 | TH2D* fFMD3o; // Histogram for FMD3o | |
88 | }; | |
89 | ||
90 | }; | |
91 | ||
92 | #endif | |
93 | // Local Variables: | |
94 | // mode: C++ | |
95 | // End: | |
96 |