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Commit | Line | Data |
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29771dc8 | 1 | /* $Id$ */ |
2 | ||
3 | // ------------------------------------------------------ | |
4 | // | |
5 | // Class to handle corrections. | |
6 | // | |
7 | // ------------------------------------------------------ | |
8 | // | |
9 | ||
10 | #include <TFile.h> | |
11 | #include <TCanvas.h> | |
06e4b91b | 12 | #include <TH3F.h> |
29771dc8 | 13 | #include <TH2F.h> |
14 | ||
15 | #include <AliLog.h> | |
16 | #include "AliCorrectionMatrix2D.h" | |
17 | #include "AliCorrectionMatrix3D.h" | |
18 | ||
19 | #include "AliCorrection.h" | |
20 | ||
21 | //____________________________________________________________________ | |
22 | ClassImp(AliCorrection) | |
23 | ||
24 | //____________________________________________________________________ | |
25 | AliCorrection::AliCorrection() : TNamed(), | |
26 | fEventCorr(0), | |
27 | fTrackCorr(0) | |
28 | { | |
29 | // default constructor | |
30 | } | |
31 | ||
32 | //____________________________________________________________________ | |
33 | AliCorrection::AliCorrection(const Char_t* name, const Char_t* title) : TNamed(name, title), | |
34 | fEventCorr(0), | |
35 | fTrackCorr(0) | |
36 | { | |
37 | // constructor initializing tnamed | |
38 | ||
39 | Float_t binLimitsPt[] = {0.0, 0.05, 0.1, 0.125, 0.15, 0.175, 0.2, 0.225, 0.25, 0.275, 0.3, 0.325, 0.35, 0.375, 0.4, 0.425, 0.45, 0.475, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.5, 2.0, 5.0, 10.0, 100.0}; | |
40 | Float_t binLimitsN[] = {-0.5, 0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5, 12.5, 14.5, 16.5, 18.5, 20.5, 25.5, 30.5, 40.5, 50.5, 100.5, 300.5}; | |
41 | //Float_t binLimitsVtx[] = {-20,-15,-10,-6,-3,0,3,6,10,15,20}; | |
083a636e | 42 | //Float_t binLimitsVtx[] = {-20,-19,-18,-17,-16,-15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; |
43 | Float_t binLimitsVtx[] = {-20,-15,-10,-8,-6,-4,-2,0,2,4,6,8,10,15,20}; | |
447c325d | 44 | Float_t binLimitsEta[] = {-2,-1.9,-1.8,-1.7,-1.6,-1.5,-1.4,-1.3,-1.2,-1.1,-1.0,-0.9,-0.8,-0.7,-0.6,-0.5,-0.4,-0.3,-0.2,-0.1,0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9,2.0}; |
45 | // Float_t binLimitsEta[] = { -7.0, -6.9, -6.8, -6.7, -6.6, -6.5, -6.4, -6.3, -6.2, -6.1, -6.0, -5.9, -5.8, -5.7, -5.6, -5.5, -5.4, -5.3, -5.2, -5.1, -5.0, -4.9, -4.8, -4.7, -4.6, -4.5, -4.4, -4.3, -4.2, -4.1, -4.0, -3.9, -3.8, -3.7, -3.6, -3.5, -3.4, -3.3, -3.2, -3.1, -3.0, -2.9, -2.8, -2.7, -2.6, -2.5, -2.4, -2.3, -2.2, -2.1, -2.0, -1.9, -1.8, -1.7, -1.6, -1.5, -1.4, -1.3, -1.2, -1.1, -1.0, -0.9, -0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, -0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, 5.9, 6.0, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7.0 }; | |
06e4b91b | 46 | |
82ac9fc4 | 47 | TH3F* dummyBinning = new TH3F("dummyBinning","dummyBinning",14, binLimitsVtx, 40, binLimitsEta , 28, binLimitsPt); |
29771dc8 | 48 | |
82ac9fc4 | 49 | fEventCorr = new AliCorrectionMatrix2D("EventCorrection", Form("%s EventCorrection", fTitle.Data()), 14, binLimitsVtx, 22, binLimitsN); |
50 | fTrackCorr = new AliCorrectionMatrix3D("TrackCorrection", Form("%s TrackCorrection", fTitle.Data()), dummyBinning); | |
06e4b91b | 51 | |
52 | delete dummyBinning; | |
29771dc8 | 53 | |
54 | fEventCorr->SetAxisTitles("vtx z [cm]", "Ntracks"); | |
55 | fTrackCorr->SetAxisTitles("vtx z [cm]", "#eta", "p_{T} [GeV/c]"); | |
56 | } | |
57 | ||
58 | //____________________________________________________________________ | |
59 | AliCorrection::AliCorrection(const AliCorrection& c) : TNamed(c), | |
60 | fEventCorr(0), | |
61 | fTrackCorr(0) | |
62 | { | |
63 | // copy constructor | |
64 | ((AliCorrection &)c).Copy(*this); | |
65 | } | |
66 | ||
67 | //____________________________________________________________________ | |
68 | AliCorrection::~AliCorrection() | |
69 | { | |
70 | // | |
71 | // destructor | |
72 | // | |
73 | ||
74 | if (fEventCorr) | |
75 | { | |
76 | delete fEventCorr; | |
77 | fEventCorr = 0; | |
78 | } | |
79 | ||
80 | if (fTrackCorr) | |
81 | { | |
82 | delete fTrackCorr; | |
83 | fTrackCorr = 0; | |
84 | } | |
85 | } | |
86 | ||
87 | //____________________________________________________________________ | |
88 | AliCorrection &AliCorrection::operator=(const AliCorrection &c) | |
89 | { | |
90 | // assigment operator | |
91 | ||
92 | if (this != &c) | |
93 | ((AliCorrection &) c).Copy(*this); | |
94 | ||
95 | return *this; | |
96 | } | |
97 | ||
98 | //____________________________________________________________________ | |
99 | void AliCorrection::Copy(TObject& c) const | |
100 | { | |
101 | // copy function | |
102 | ||
103 | AliCorrection& target = (AliCorrection &) c; | |
104 | ||
105 | if (fEventCorr) | |
106 | target.fEventCorr = dynamic_cast<AliCorrectionMatrix2D*> (fEventCorr->Clone()); | |
107 | ||
108 | if (fTrackCorr) | |
109 | target.fTrackCorr = dynamic_cast<AliCorrectionMatrix3D*> (fTrackCorr->Clone()); | |
110 | } | |
111 | ||
112 | //____________________________________________________________________ | |
113 | Long64_t AliCorrection::Merge(TCollection* list) | |
114 | { | |
115 | // Merge a list of AliCorrection objects with this (needed for | |
116 | // PROOF). | |
117 | // Returns the number of merged objects (including this). | |
118 | ||
119 | if (!list) | |
120 | return 0; | |
121 | ||
122 | if (list->IsEmpty()) | |
123 | return 1; | |
124 | ||
125 | TIterator* iter = list->MakeIterator(); | |
126 | TObject* obj; | |
127 | ||
128 | // collections of measured and generated histograms | |
129 | TList* collectionEvent = new TList; | |
130 | TList* collectionTrack = new TList; | |
131 | ||
132 | Int_t count = 0; | |
133 | while ((obj = iter->Next())) { | |
134 | ||
135 | AliCorrection* entry = dynamic_cast<AliCorrection*> (obj); | |
136 | if (entry == 0) | |
137 | continue; | |
138 | ||
139 | collectionEvent->Add(entry->fEventCorr); | |
140 | collectionTrack->Add(entry->fTrackCorr); | |
141 | ||
142 | count++; | |
143 | } | |
144 | fEventCorr->Merge(collectionEvent); | |
145 | fTrackCorr->Merge(collectionTrack); | |
146 | ||
147 | delete collectionEvent; | |
148 | delete collectionTrack; | |
149 | ||
150 | return count+1; | |
151 | } | |
152 | ||
153 | //____________________________________________________________________ | |
154 | void AliCorrection::Divide() | |
155 | { | |
156 | // | |
157 | // divide the histograms to get the correction | |
158 | // | |
159 | ||
160 | if (!fEventCorr || !fTrackCorr) | |
161 | return; | |
162 | ||
163 | fEventCorr->Divide(); | |
164 | fTrackCorr->Divide(); | |
165 | ||
166 | Int_t emptyBins = fTrackCorr->CheckEmptyBins(-9.99, 9.99, -0.79, 0.79, 0.3, 9.9); | |
167 | printf("INFO: In the central region the track correction of %s has %d empty bins\n", GetName(), emptyBins); | |
168 | } | |
169 | ||
2e88424e | 170 | //____________________________________________________________________ |
171 | void AliCorrection::Add(AliCorrection* aCorrectionToAdd, Float_t c) | |
172 | { | |
173 | // | |
174 | // add to measured and generated the measured and generated of aCorrectionToAdd | |
175 | // with the weight c | |
176 | ||
177 | fEventCorr->Add(aCorrectionToAdd->GetEventCorrection(),c); | |
178 | fTrackCorr->Add(aCorrectionToAdd->GetTrackCorrection(),c); | |
179 | } | |
180 | ||
181 | ||
29771dc8 | 182 | //____________________________________________________________________ |
183 | Bool_t AliCorrection::LoadHistograms(const Char_t* dir) | |
184 | { | |
185 | // | |
186 | // loads the histograms from a file | |
187 | // if dir is empty a directory with the name of this object is taken (like in SaveHistogram) | |
188 | // | |
189 | ||
190 | if (!fEventCorr || !fTrackCorr) | |
191 | return kFALSE; | |
192 | ||
193 | if (!dir) | |
194 | dir = GetName(); | |
195 | ||
196 | if (!gDirectory->cd(dir)) | |
197 | return kFALSE; | |
198 | ||
199 | Bool_t success = fEventCorr->LoadHistograms(); | |
200 | success &= fTrackCorr->LoadHistograms(); | |
201 | ||
202 | gDirectory->cd(".."); | |
203 | ||
204 | return success; | |
205 | } | |
206 | ||
207 | //____________________________________________________________________ | |
208 | void AliCorrection::SaveHistograms() | |
209 | { | |
210 | // | |
211 | // saves the histograms in a directory with the name of this object (GetName) | |
212 | // | |
213 | ||
214 | gDirectory->mkdir(GetName()); | |
215 | gDirectory->cd(GetName()); | |
216 | ||
217 | if (fEventCorr) | |
218 | fEventCorr->SaveHistograms(); | |
219 | ||
220 | if (fTrackCorr) | |
221 | fTrackCorr->SaveHistograms(); | |
222 | ||
223 | gDirectory->cd(".."); | |
224 | } | |
225 | ||
226 | //____________________________________________________________________ | |
227 | void AliCorrection::ReduceInformation() | |
228 | { | |
229 | // this function deletes the measured and generated histograms to reduce the amount of data | |
230 | // in memory | |
231 | ||
232 | if (!fEventCorr || !fTrackCorr) | |
233 | return; | |
234 | ||
235 | fEventCorr->ReduceInformation(); | |
236 | fTrackCorr->ReduceInformation(); | |
237 | } | |
238 | ||
239 | //____________________________________________________________________ | |
240 | void AliCorrection::Reset(Option_t* option) | |
241 | { | |
242 | // resets the histograms | |
243 | ||
244 | if (fEventCorr) | |
245 | fEventCorr->Reset(option); | |
246 | ||
247 | if (fTrackCorr) | |
248 | fTrackCorr->Reset(option); | |
249 | } | |
250 | ||
251 | //____________________________________________________________________ | |
252 | void AliCorrection::DrawHistograms(const Char_t* name) | |
253 | { | |
254 | // draws the corrections | |
255 | ||
256 | if (!name) | |
257 | name = GetName(); | |
258 | ||
259 | if (fEventCorr) | |
260 | fEventCorr->DrawHistograms(Form("%s event", name)); | |
261 | ||
262 | if (fTrackCorr) | |
263 | fTrackCorr->DrawHistograms(Form("%s track", name)); | |
264 | } | |
265 | ||
266 | //____________________________________________________________________ | |
267 | void AliCorrection::SetCorrectionToUnity() | |
268 | { | |
269 | // set the corrections to unity | |
270 | ||
271 | if (fEventCorr) | |
272 | fEventCorr->SetCorrectionToUnity(); | |
273 | ||
274 | if (fTrackCorr) | |
275 | fTrackCorr->SetCorrectionToUnity(); | |
276 | } | |
277 | ||
278 | //____________________________________________________________________ | |
279 | void AliCorrection::Multiply() | |
280 | { | |
281 | // call Multiply | |
282 | ||
283 | if (fEventCorr) | |
284 | { | |
285 | fEventCorr->Multiply(); | |
286 | // now we manually copy the overflow bin of the y axis (multiplicity) over. This is important to get the event count correct | |
287 | TH2F* hist = fEventCorr->GetMeasuredHistogram(); | |
288 | for (Int_t x = 1; x <= hist->GetNbinsX(); ++x) | |
289 | fEventCorr->GetGeneratedHistogram()->SetBinContent(x, hist->GetNbinsY() + 1, hist->GetBinContent(x, hist->GetNbinsY() + 1)); | |
290 | } | |
291 | ||
292 | if (fTrackCorr) | |
293 | fTrackCorr->Multiply(); | |
294 | } |