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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 | */ | |
badf1074 | 103 | class CentralityBin : public AliBasedNdetaTask::CentralityBin |
9ecab72f | 104 | { |
badf1074 | 105 | public: |
9ecab72f | 106 | /** |
107 | * Constructor | |
108 | */ | |
109 | CentralityBin() : AliBasedNdetaTask::CentralityBin(), fSumTruth(0) {} | |
110 | /** | |
111 | * Constructor | |
112 | * | |
113 | * @param name Name used for histograms (e.g., Forward) | |
114 | * @param low Lower centrality cut in percent | |
115 | * @param high Upper centrality cut in percent | |
116 | */ | |
117 | CentralityBin(const char* name, Short_t low, Short_t high) | |
118 | : AliBasedNdetaTask::CentralityBin(name, low, high), | |
119 | fSumTruth(0) | |
120 | {} | |
121 | /** | |
122 | * Copy constructor | |
123 | * | |
124 | * @param other Object to copy from | |
125 | */ | |
126 | CentralityBin(const CentralityBin& other) | |
127 | : AliBasedNdetaTask::CentralityBin(other), | |
128 | fSumTruth(other.fSumTruth) | |
129 | {} | |
130 | /** | |
131 | * Destructor | |
132 | */ | |
133 | virtual ~CentralityBin() {} | |
134 | /** | |
135 | * Assignement operator | |
136 | * | |
137 | * | |
138 | * @return | |
139 | */ | |
140 | CentralityBin& operator=(const CentralityBin&) { return *this; } | |
141 | /** | |
142 | * Process an event | |
143 | * | |
144 | * @param forward Forward data (for trigger, vertex, & centrality) | |
145 | * @param triggerMask Trigger mask | |
146 | * @param isZero True if this is a zero bin event | |
147 | * @param vzMin Minimum IP z coordinate | |
148 | * @param vzMax Maximum IP z coordinate | |
149 | * @param data Data histogram | |
150 | * @param mc MC histogram | |
151 | */ | |
152 | virtual void ProcessEvent(const AliAODForwardMult* forward, | |
153 | Int_t triggerMask, | |
154 | Bool_t isZero, | |
155 | Double_t vzMin, | |
156 | Double_t vzMax, | |
157 | const TH2D* data, | |
158 | const TH2D* mc); | |
159 | /** | |
160 | * End of processing | |
161 | * | |
162 | * @param sums List of sums | |
163 | * @param results Output list of results | |
164 | * @param scheme Normalisation scheme options | |
165 | * @param shapeCorr Shape correction or nil | |
166 | * @param trigEff Trigger efficiency | |
167 | * @param symmetrice Whether to symmetrice the results | |
168 | * @param rebin Whether to rebin the results | |
169 | * @param rootProj If true, use TH2::ProjectionX | |
170 | * @param corrEmpty Whether to correct for empty bins | |
171 | * @param cutEdges Whether to cut edges when rebinning | |
172 | * @param triggerMask Trigger mask | |
173 | * @param color Marker colour | |
174 | * @param marker Marker style | |
c6115ede | 175 | * @param mclist List of MC results |
176 | * @param truthlist List of MC truth results | |
9ecab72f | 177 | */ |
178 | virtual void End(TList* sums, | |
179 | TList* results, | |
180 | UShort_t scheme, | |
181 | const TH1* shapeCorr, | |
182 | Double_t trigEff, | |
183 | Bool_t symmetrice, | |
184 | Int_t rebin, | |
185 | Bool_t rootProj, | |
186 | Bool_t corrEmpty, | |
187 | Bool_t cutEdges, | |
188 | Int_t triggerMask, | |
189 | Int_t marker, | |
c89b9ac1 | 190 | Int_t color, |
191 | TList* mclist, | |
192 | TList* truthlist); | |
9ecab72f | 193 | protected: |
194 | TH2D* fSumTruth; // Sum of primary histograms | |
195 | ClassDef(CentralityBin,1); // A centrality bin | |
196 | }; | |
197 | ||
198 | ClassDef(AliMCTruthdNdetaTask,1); // Determine multiplicity in forward region | |
199 | }; | |
200 | ||
201 | #endif | |
202 | // | |
203 | // Local Variables: | |
204 | // mode: C++ | |
205 | // End: | |
206 | // |