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0bd4b00f | 1 | // |
2 | // This class contains the secondary correction and the double hit | |
3 | // correction used in low-flux events. | |
4 | // | |
7984e5f7 | 5 | #ifndef ALIFMDCORRMERGINGEFFICIENCY_H |
6 | #define ALIFMDCORRMERGINGEFFICIENCY_H | |
ffca499d | 7 | /** |
8 | * @file AliFMDCorrMergingEfficiency.h | |
9 | * @author Christian Holm Christensen <cholm@dalsgaard.hehi.nbi.dk> | |
10 | * @date Wed Mar 23 14:01:28 2011 | |
11 | * | |
12 | * @brief | |
13 | * | |
14 | * | |
bd6f5206 | 15 | * @ingroup pwglf_forward_corr |
ffca499d | 16 | */ |
0bd4b00f | 17 | #include <TObject.h> |
18 | #include <TObjArray.h> | |
19 | #include <TAxis.h> | |
20 | class TH1D; | |
21 | ||
22 | /** | |
23 | * This class contains the merging efficiency correction. | |
24 | * | |
25 | * The secondary correction is given by | |
26 | * @f[ | |
27 | * m_{r,v}(\eta) = | |
28 | * @f] | |
29 | * | |
30 | * These are generated from Monte-Carlo truth and ESD information. | |
31 | * | |
bd6f5206 | 32 | * @ingroup pwglf_forward_corr |
0bd4b00f | 33 | */ |
34 | class AliFMDCorrMergingEfficiency : public TObject | |
35 | { | |
36 | public: | |
37 | /** | |
38 | * Default constructor | |
39 | */ | |
40 | AliFMDCorrMergingEfficiency(); | |
41 | /** | |
42 | * Copy constructor | |
43 | * | |
44 | * @param o Object to copy from | |
45 | */ | |
46 | AliFMDCorrMergingEfficiency(const AliFMDCorrMergingEfficiency& o); | |
47 | /** | |
48 | * Destructor | |
49 | * | |
50 | */ | |
51 | virtual ~AliFMDCorrMergingEfficiency(); | |
52 | /** | |
53 | * @{ | |
54 | * @name Get corrections and parameters | |
55 | */ | |
56 | /** | |
57 | * Assignment operator | |
58 | * | |
59 | * @param o Object to assign from | |
60 | * | |
61 | * @return Reference to this object | |
62 | */ | |
63 | AliFMDCorrMergingEfficiency& operator=(const AliFMDCorrMergingEfficiency& o); | |
64 | /** | |
65 | * Get the secondary correction @f$ c_{r,v}@f$ | |
66 | * | |
67 | * @param d Detector number (1-3) | |
68 | * @param r Ring identifier (I or O) | |
69 | * @param v Primary interaction point @f$z@f$ coordinate | |
70 | * | |
71 | * @return The correction @f$ c_{r,v}@f$ | |
72 | */ | |
73 | TH1D* GetCorrection(UShort_t d, Char_t r, Double_t v) const; | |
74 | /** | |
75 | * Get the secondary correction @f$ c_{r,v}@f$ | |
76 | * | |
77 | * @param d Detector number (1-3) | |
78 | * @param r Ring identifier (I or O) | |
79 | * @param b Bin corresponding to the primary interaction point | |
80 | * @f$z@f$ coordinate (1 based) | |
81 | * | |
82 | * @return The correction @f$ c_{r,v}@f$ | |
83 | */ | |
84 | TH1D* GetCorrection(UShort_t d, Char_t r, UShort_t b) const; | |
85 | /** | |
86 | * Get the vertex axis used | |
87 | * | |
88 | * @return vertex axis | |
89 | */ | |
90 | const TAxis& GetVertexAxis() const { return fVertexAxis; } | |
91 | /* @} */ | |
92 | ||
93 | /** | |
94 | * @{ | |
95 | * @name Set corrections and parameters | |
96 | */ | |
97 | /** | |
98 | * Set the secondary map correction @f$ m_{r,v}(\eta)@f$. | |
99 | * Note, that the object takes ownership of the passed pointer. | |
100 | * | |
101 | * @param d Detector number (1-3) | |
102 | * @param r Ring identifier (I or O) | |
103 | * @param v Primary interaction point @f$z@f$ coordinate | |
104 | * @param h @f$ m_{r,v}(\eta)@f$ | |
105 | * | |
106 | * @return true if operation succeeded | |
107 | */ | |
108 | Bool_t SetCorrection(UShort_t d, Char_t r, Double_t v, TH1D* h); | |
109 | /** | |
110 | * Set the secondary map correction @f$ m_{r,v}(\eta)@f$ | |
111 | * Note, that the object takes ownership of the passed pointer. | |
112 | * | |
113 | * @param d Detector number (1-3) | |
114 | * @param r Ring identifier (I or O) | |
115 | * @param b Bin corresponding to the primary interaction point | |
116 | * @f$z@f$ coordinate (1 based) | |
117 | * @param h @f$ m_{r,v}(\eta)@f$ | |
118 | * | |
119 | * @return true if operation succeeded | |
120 | */ | |
121 | Bool_t SetCorrection(UShort_t d, Char_t r, UShort_t b, TH1D* h); | |
122 | /** | |
123 | * Set the vertex axis to use | |
124 | * | |
125 | * @param axis Vertex axis | |
126 | */ | |
127 | void SetVertexAxis(const TAxis& axis); | |
128 | /** | |
129 | * Set the vertex axis to use | |
130 | * | |
7c1a1f1d | 131 | * @param nBins Number of bins |
132 | * @param min Minimum | |
133 | * @param max Maximum | |
0bd4b00f | 134 | */ |
135 | void SetVertexAxis(Int_t nBins, Double_t min, Double_t max); | |
136 | /* @} */ | |
137 | ||
138 | /** | |
139 | * @{ | |
140 | * @name Auxiliary member functions | |
141 | */ | |
142 | /** | |
143 | * Declare this as a folder | |
144 | * | |
145 | * @return Always true | |
146 | */ | |
147 | Bool_t IsFolder() const { return true; } | |
148 | /** | |
149 | * Browse this object in the browser | |
150 | * | |
151 | * @param b | |
152 | */ | |
153 | void Browse(TBrowser* b); | |
154 | /** | |
155 | * Print this object | |
156 | * | |
157 | * @param option | |
158 | */ | |
159 | void Print(Option_t* option="R") const; //*MENU* | |
160 | /* @} */ | |
161 | protected: | |
162 | /** | |
163 | * Find the vertex bin that corresponds to the passed vertex | |
164 | * | |
165 | * @param vertex The interaction points @f$z@f$-coordinate | |
166 | * | |
7c1a1f1d | 167 | * @return Vertex bin in @f$[1,N_{\mbox{vertex}}]@f$ or negative if |
0bd4b00f | 168 | * out of range |
169 | */ | |
170 | Int_t FindVertexBin(Double_t vertex) const; | |
171 | /** | |
172 | * Get the index corresponding to the given ring | |
173 | * | |
174 | * @param d Detector | |
175 | * @param r Ring | |
176 | * | |
177 | * @return Index (0 based) or negative in case of errors | |
178 | */ | |
179 | Int_t GetRingIndex(UShort_t d, Char_t r) const; | |
180 | /** | |
181 | * Get the ring array corresponding to the specified ring | |
182 | * | |
183 | * @param d Detector | |
184 | * @param r Ring | |
185 | * | |
186 | * @return Pointer to ring array, or null in case of problems | |
187 | */ | |
188 | TObjArray* GetRingArray(UShort_t d, Char_t r) const; | |
189 | /** | |
190 | * Get the ring array corresponding to the specified ring | |
191 | * | |
192 | * @param d Detector | |
193 | * @param r Ring | |
194 | * | |
195 | * @return Pointer to ring array, or newly created container | |
196 | */ | |
197 | TObjArray* GetOrMakeRingArray(UShort_t d, Char_t r); | |
198 | ||
199 | TObjArray fRingArray; // Array of per-ring, per-vertex 2nd map | |
200 | TAxis fVertexAxis; // The vertex axis | |
201 | ClassDef(AliFMDCorrMergingEfficiency,1); // | |
202 | }; | |
203 | ||
204 | //____________________________________________________________________ | |
205 | inline void | |
206 | AliFMDCorrMergingEfficiency::SetVertexAxis(Int_t nBins, Double_t min, | |
207 | Double_t max) | |
208 | { | |
209 | fVertexAxis.Set(nBins, min, max); | |
210 | } | |
211 | //____________________________________________________________________ | |
212 | inline void | |
213 | AliFMDCorrMergingEfficiency::SetVertexAxis(const TAxis& e) | |
214 | { | |
215 | fVertexAxis.Set(e.GetNbins(), e.GetXmin(), e.GetXmax()); | |
216 | } | |
217 | #endif | |
218 | // Local Variables: | |
219 | // mode: C++ | |
220 | // End: |