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9ecab72f | 1 | // |
2 | // Task to analyse the AOD for for dN/deta in the forward regions | |
3 | // | |
4 | #ifndef ALIMCTRUTHDNDETATASK_H | |
5 | #define ALIMCTRUTHDNDETATASK_H | |
6 | /** | |
7 | * @file AliMCTruthdNdetaTask.h | |
8 | * @author Christian Holm Christensen <cholm@dalsgaard.hehi.nbi.dk> | |
9 | * @date Wed Mar 23 14:04:54 2011 | |
10 | * | |
11 | * @brief | |
12 | * | |
13 | * | |
14 | * @ingroup pwg2_forward_dndeta | |
15 | */ | |
16 | #include "AliBasedNdetaTask.h" | |
17 | class TList; | |
18 | class TH2D; | |
19 | class TH1D; | |
20 | ||
21 | /** | |
22 | * Tasks to determine @f$ dN/d\eta@f$ in the forward regions | |
23 | * | |
24 | * @ingroup pwg2_forward_tasks_dndeta | |
25 | * @ingroup pwg2_forward_dndeta | |
26 | */ | |
27 | class AliMCTruthdNdetaTask : public AliBasedNdetaTask | |
28 | { | |
29 | public: | |
30 | /** | |
31 | * Constructor | |
32 | * | |
33 | */ | |
34 | AliMCTruthdNdetaTask(); | |
35 | /** | |
36 | * Constructor | |
37 | * | |
38 | * @param name Name of task | |
39 | */ | |
40 | AliMCTruthdNdetaTask(const char* name); | |
41 | /** | |
42 | * Destructor | |
43 | * | |
44 | */ | |
45 | virtual ~AliMCTruthdNdetaTask() {} | |
46 | /** | |
47 | * Called at end of event processing. | |
48 | * | |
49 | * This is called once in the master | |
50 | * | |
51 | * @param option Not used | |
52 | */ | |
53 | virtual void Terminate(Option_t* option); | |
54 | protected: | |
55 | /** | |
56 | * Copy constructor | |
57 | */ | |
58 | AliMCTruthdNdetaTask(const AliMCTruthdNdetaTask& o); | |
59 | /** | |
60 | * Assigmement operator | |
61 | * | |
62 | * @return Reference to this | |
63 | */ | |
64 | AliMCTruthdNdetaTask& operator=(const AliMCTruthdNdetaTask&) { return *this; } | |
65 | ||
66 | /** | |
67 | * Retrieve the histogram | |
68 | * | |
69 | * @param aod AOD event | |
70 | * @param mc Whether to get the MC histogram or not | |
71 | * | |
72 | * @return Retrieved histogram or null | |
73 | */ | |
74 | TH2D* GetHistogram(const AliAODEvent* aod, Bool_t mc); | |
75 | /** | |
76 | * Get the marker style | |
77 | * | |
78 | * @return Marker style | |
79 | */ | |
80 | virtual Int_t GetMarker() const { return GetMarkerStyle(kStar); } | |
81 | /** | |
82 | * Get the colour to use for markers (only pp - in PbPb we use a rainbow) | |
83 | * | |
84 | * @return Marker colour | |
85 | */ | |
86 | virtual Int_t GetColor() const { return kGray+2; } | |
87 | /** | |
88 | * Make a new centrality bin | |
89 | * | |
90 | * @param name Histogram names | |
91 | * @param l Lower cut | |
92 | * @param h Upper cut | |
93 | * | |
94 | * @return Newly allocated object (of our type) | |
95 | */ | |
96 | AliBasedNdetaTask::CentralityBin* | |
97 | MakeCentralityBin(const char* name, Short_t l, Short_t h) const; | |
98 | ||
99 | /** | |
100 | * Class that holds data for a single centrality bin | |
101 | * | |
102 | */ | |
103 | struct CentralityBin : public AliBasedNdetaTask::CentralityBin | |
104 | { | |
105 | /** | |
106 | * Constructor | |
107 | */ | |
108 | CentralityBin() : AliBasedNdetaTask::CentralityBin(), fSumTruth(0) {} | |
109 | /** | |
110 | * Constructor | |
111 | * | |
112 | * @param name Name used for histograms (e.g., Forward) | |
113 | * @param low Lower centrality cut in percent | |
114 | * @param high Upper centrality cut in percent | |
115 | */ | |
116 | CentralityBin(const char* name, Short_t low, Short_t high) | |
117 | : AliBasedNdetaTask::CentralityBin(name, low, high), | |
118 | fSumTruth(0) | |
119 | {} | |
120 | /** | |
121 | * Copy constructor | |
122 | * | |
123 | * @param other Object to copy from | |
124 | */ | |
125 | CentralityBin(const CentralityBin& other) | |
126 | : AliBasedNdetaTask::CentralityBin(other), | |
127 | fSumTruth(other.fSumTruth) | |
128 | {} | |
129 | /** | |
130 | * Destructor | |
131 | */ | |
132 | virtual ~CentralityBin() {} | |
133 | /** | |
134 | * Assignement operator | |
135 | * | |
136 | * | |
137 | * @return | |
138 | */ | |
139 | CentralityBin& operator=(const CentralityBin&) { return *this; } | |
140 | /** | |
141 | * Process an event | |
142 | * | |
143 | * @param forward Forward data (for trigger, vertex, & centrality) | |
144 | * @param triggerMask Trigger mask | |
145 | * @param isZero True if this is a zero bin event | |
146 | * @param vzMin Minimum IP z coordinate | |
147 | * @param vzMax Maximum IP z coordinate | |
148 | * @param data Data histogram | |
149 | * @param mc MC histogram | |
150 | */ | |
151 | virtual void ProcessEvent(const AliAODForwardMult* forward, | |
152 | Int_t triggerMask, | |
153 | Bool_t isZero, | |
154 | Double_t vzMin, | |
155 | Double_t vzMax, | |
156 | const TH2D* data, | |
157 | const TH2D* mc); | |
158 | /** | |
159 | * End of processing | |
160 | * | |
161 | * @param sums List of sums | |
162 | * @param results Output list of results | |
163 | * @param scheme Normalisation scheme options | |
164 | * @param shapeCorr Shape correction or nil | |
165 | * @param trigEff Trigger efficiency | |
166 | * @param symmetrice Whether to symmetrice the results | |
167 | * @param rebin Whether to rebin the results | |
168 | * @param rootProj If true, use TH2::ProjectionX | |
169 | * @param corrEmpty Whether to correct for empty bins | |
170 | * @param cutEdges Whether to cut edges when rebinning | |
171 | * @param triggerMask Trigger mask | |
172 | * @param color Marker colour | |
173 | * @param marker Marker style | |
174 | */ | |
175 | virtual void End(TList* sums, | |
176 | TList* results, | |
177 | UShort_t scheme, | |
178 | const TH1* shapeCorr, | |
179 | Double_t trigEff, | |
180 | Bool_t symmetrice, | |
181 | Int_t rebin, | |
182 | Bool_t rootProj, | |
183 | Bool_t corrEmpty, | |
184 | Bool_t cutEdges, | |
185 | Int_t triggerMask, | |
186 | Int_t marker, | |
187 | Int_t color); | |
188 | protected: | |
189 | TH2D* fSumTruth; // Sum of primary histograms | |
190 | ClassDef(CentralityBin,1); // A centrality bin | |
191 | }; | |
192 | ||
193 | ClassDef(AliMCTruthdNdetaTask,1); // Determine multiplicity in forward region | |
194 | }; | |
195 | ||
196 | #endif | |
197 | // | |
198 | // Local Variables: | |
199 | // mode: C++ | |
200 | // End: | |
201 | // |