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0bd4b00f | 1 | #ifndef ALIROOT_PWG2_FORWARD_ANALYSIS2_ALIFMDMCDENSITYCALCULATOR_H |
2 | #define ALIROOT_PWG2_FORWARD_ANALYSIS2_ALIFMDMCDENSITYCALCULATOR_H | |
3 | #include "AliFMDDensityCalculator.h" | |
4 | #include <TList.h> | |
5 | #include "AliForwardUtil.h" | |
6 | class AliMCEvent; | |
7 | class TH2D; | |
8 | class TH1D; | |
9 | ||
10 | /** | |
11 | * This class calculates the inclusive charged particle density | |
12 | * in each for the 5 FMD rings based on the MC truth. | |
13 | * | |
14 | * @par Input: | |
15 | * - AliMCEvent MC truth event infromation | |
16 | * | |
17 | * @par Output: | |
18 | * - None | |
19 | * | |
20 | * @par Corrections used: | |
21 | * - None | |
22 | * | |
7c1a1f1d | 23 | * @ingroup pwg2_forward |
0bd4b00f | 24 | */ |
25 | class AliFMDMCDensityCalculator : public AliFMDDensityCalculator | |
26 | { | |
27 | public: | |
28 | /** | |
29 | * Constructor | |
30 | */ | |
31 | AliFMDMCDensityCalculator() : AliFMDDensityCalculator() {} | |
32 | /** | |
33 | * Constructor | |
34 | * | |
35 | * @param name Name of object | |
36 | */ | |
37 | AliFMDMCDensityCalculator(const char* name) | |
38 | : AliFMDDensityCalculator(name) | |
39 | {} | |
40 | /** | |
41 | * Copy constructor | |
42 | * | |
43 | * @param o Object to copy from | |
44 | */ | |
45 | AliFMDMCDensityCalculator(const AliFMDMCDensityCalculator& o) | |
46 | : AliFMDDensityCalculator(o) | |
47 | {} | |
48 | /** | |
49 | * Destructor | |
50 | */ | |
51 | virtual ~AliFMDMCDensityCalculator() {} | |
52 | /** | |
53 | * Assignement operator | |
54 | * | |
55 | * @param o Object to assign from | |
56 | * | |
57 | * @return Reference to this object | |
58 | */ | |
7c1a1f1d | 59 | AliFMDMCDensityCalculator& operator=(const AliFMDMCDensityCalculator& o); |
0bd4b00f | 60 | /** |
61 | * Do the calculations | |
62 | * | |
63 | * @param fmd AliESDFMD object (possibly) corrected for sharing | |
64 | * @param hists Histogram cache | |
65 | * @param vtxBin Vertex bin | |
66 | * @param lowFlux Low flux flag. | |
67 | * | |
68 | * @return true on successs | |
69 | */ | |
70 | virtual Bool_t Calculate(const AliESDFMD& fmd, | |
71 | AliForwardUtil::Histos& hists, | |
72 | UShort_t vtxBin, Bool_t lowFlux); | |
73 | /** | |
74 | * Calculate the charged particle density from the MC track references. | |
75 | * | |
76 | * @param event MC event | |
77 | * @param hists Histograms to fill | |
78 | * @param vz Interaction z coordinate @f$ v_z@f$ | |
79 | * @param vtxBin bin corresponding to @f$ v_z@f$ | |
80 | * | |
81 | * @return true on success | |
82 | */ | |
83 | virtual Bool_t CalculateMC(const AliMCEvent& event, | |
84 | AliForwardUtil::Histos& hists, | |
85 | Double_t vz, | |
86 | UShort_t vtxBin); | |
87 | protected: | |
88 | ||
89 | ClassDef(AliFMDMCDensityCalculator,1); // Calculate Nch density | |
90 | }; | |
91 | ||
92 | #endif | |
93 | // Local Variables: | |
94 | // mode: C++ | |
95 | // End: | |
96 |