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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> |
69b09e3b | 14 | #include <TMath.h> |
29771dc8 | 15 | |
16 | #include <AliLog.h> | |
17 | #include "AliCorrectionMatrix2D.h" | |
18 | #include "AliCorrectionMatrix3D.h" | |
19 | ||
20 | #include "AliCorrection.h" | |
21 | ||
22 | //____________________________________________________________________ | |
23 | ClassImp(AliCorrection) | |
24 | ||
25 | //____________________________________________________________________ | |
26 | AliCorrection::AliCorrection() : TNamed(), | |
27 | fEventCorr(0), | |
28 | fTrackCorr(0) | |
29 | { | |
30 | // default constructor | |
31 | } | |
32 | ||
33 | //____________________________________________________________________ | |
770a1f1d | 34 | AliCorrection::AliCorrection(const Char_t* name, const Char_t* title, AliPWG0Helper::AnalysisMode analysisMode) : TNamed(name, title), |
29771dc8 | 35 | fEventCorr(0), |
36 | fTrackCorr(0) | |
37 | { | |
38 | // constructor initializing tnamed | |
39 | ||
116083b1 | 40 | Float_t* binLimitsPt = 0; |
41 | Int_t nBinsPt = 0; | |
42 | ||
43 | // different binnings, better solution could be anticipated... | |
a7f69e56 | 44 | if ((analysisMode & AliPWG0Helper::kTPC || analysisMode & AliPWG0Helper::kTPCITS) && (analysisMode & AliPWG0Helper::kFieldOn)) |
116083b1 | 45 | { |
46 | static Float_t binLimitsPtTmp[] = {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}; | |
1d107532 | 47 | //static Float_t binLimitsPtTmp[] = {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, 1.1, 1.2, 1.3, 1.4, 1.5, 2.0, 5.0, 10.0, 100.0}; |
116083b1 | 48 | binLimitsPt = (Float_t*) binLimitsPtTmp; |
49 | nBinsPt = 28; | |
745d6088 | 50 | } |
a7f69e56 | 51 | else if (analysisMode & AliPWG0Helper::kSPD || !(analysisMode & AliPWG0Helper::kFieldOn)) |
116083b1 | 52 | { |
7307d52c | 53 | static Float_t binLimitsPtTmp[] = {-0.5, 100.0}; |
116083b1 | 54 | binLimitsPt = (Float_t*) binLimitsPtTmp; |
55 | nBinsPt = 1; | |
56 | } | |
57 | ||
58 | if (!binLimitsPt) | |
59 | { | |
60 | Printf("FATAL: Invalid binning"); | |
61 | return; | |
62 | } | |
63 | ||
69b09e3b | 64 | // third axis for track histogram |
51f6de65 | 65 | Int_t nBinsN2 = 1; |
66 | Float_t binLimitsN2[] = {-0.5, 1000}; | |
69b09e3b | 67 | const char* title3 = "Ntracks"; |
1d107532 | 68 | |
51f6de65 | 69 | //Int_t nBinsN2 = 21; |
70 | //Float_t binLimitsN2[] = {-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, 1000.5}; | |
1d107532 | 71 | |
69b09e3b | 72 | // phi |
73 | //Int_t nBinsN2 = 36; | |
74 | //Float_t binLimitsN2[] = {0.000, 0.175, 0.349, 0.524, 0.698, 0.873, 1.047, 1.222, 1.396, 1.571, 1.745, 1.920, 2.094, 2.269, 2.443, 2.618, 2.793, 2.967, 3.142, 3.316, 3.491, 3.665, 3.840, 4.014, 4.189, 4.363, 4.538, 4.712, 4.887, 5.061, 5.236, 5.411, 5.585, 5.760, 5.934, 6.109, TMath::Pi() * 2}; | |
75 | //const char* title3 = "#phi"; | |
76 | ||
77 | // mult axis for event histogram | |
a67484a6 | 78 | Int_t nBinsN = 22; |
29771dc8 | 79 | 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}; |
81be4ee8 | 80 | //Int_t nBinsN = 8; |
81 | //Float_t binLimitsN[] = {-0.5, 0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 300.5}; | |
a67484a6 | 82 | //Int_t nBinsN = 52; |
83 | //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, 11.5, 12.5, 13.5, 14.5, 15.5, 16.5, 17.5, 18.5, 19.5, 20.5, 21.5, 22.5, 23.5, 24.5, 25.5, 26.5, 27.5, 28.5, 29.5, 30.5, 31.5, 32.5, 33.5, 34.5, 35.5, 36.5, 37.5, 38.5, 39.5, 40.5, 41.5, 42.5, 43.5, 44.5, 45.5, 46.5, 47.5, 48.5, 49.5, 50.5, 100.5, 300.5}; | |
84 | ||
29771dc8 | 85 | //Float_t binLimitsVtx[] = {-20,-15,-10,-6,-3,0,3,6,10,15,20}; |
083a636e | 86 | //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}; |
81be4ee8 | 87 | //Float_t binLimitsVtx[] = {-30,-25,-20,-15,-10,-8,-6,-4,-2,0,2,4,6,8,10,15,20,25,30}; |
88 | Float_t binLimitsVtx[] = {-30,-25,-20,-15,-10,-7,-5.5,-4,-3,-2,-1,0,1,2,3,4,5.5,7,10,15,20,25,30}; | |
69b09e3b | 89 | /*Float_t binLimitsEta[] = {-3.0,-2.8,-2.6,-2.4,-2.2, |
567160d6 | 90 | -2.0,-1.8,-1.6,-1.4,-1.2, |
91 | -1.0,-0.8,-0.6,-0.4,-0.2, 0.0, | |
92 | 0.2, 0.4, 0.6, 0.8, 1.0, | |
93 | 1.2, 1.4, 1.6, 1.8, 2.0, | |
69b09e3b | 94 | 2.2, 2.4, 2.6, 2.8, 3.0};*/ |
1d107532 | 95 | //Float_t binLimitsEta[] = { -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 }; |
96 | /*Float_t binLimitsEta[] = {-3,-2.75,-2.5,-2.25,-2.0, | |
97 | -1.75,-1.5,-1.25, | |
98 | -1,-0.75,-0.5,-0.25, | |
99 | 0,0.25,0.5,0.75, | |
100 | 1.0,1.25,1.5,1.75, | |
101 | 2.0,2.25,2.5,2.75,3.0}; */ | |
81be4ee8 | 102 | //Float_t binLimitsEta[] = {-2.8,-2.4,-2,-1.6,-1.2,-0.8,-0.4,0,0.4,0.8,1.2,1.6,2.0,2.4,2.8}; |
1d107532 | 103 | //Float_t binLimitsEta[] = {-2.8,-2.4,-2,-1.6,-1.2,-0.8,-0.5,0,0.5,0.8,1.2,1.6,2.0,2.4,2.8}; |
104 | ||
105 | //Float_t binLimitsEta[] = {-3,-2.6,-2.2,-1.8,-1.4,-1,-0.6,-0.2,0.2,0.6,1,1.4,1.8,2.2,2.6,3.0}; | |
81be4ee8 | 106 | 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}; |
447c325d | 107 | // 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 | 108 | |
81be4ee8 | 109 | fEventCorr = new AliCorrectionMatrix2D("EventCorrection", Form("%s EventCorrection", fTitle.Data()), 22, binLimitsVtx, nBinsN, binLimitsN); |
06e4b91b | 110 | |
a7f69e56 | 111 | if (analysisMode & AliPWG0Helper::kSPD) |
51f6de65 | 112 | { |
81be4ee8 | 113 | TH3F* dummyBinning = new TH3F("dummyBinning","dummyBinning",22, binLimitsVtx, 40, binLimitsEta, nBinsN2, binLimitsN2); |
51f6de65 | 114 | fTrackCorr = new AliCorrectionMatrix3D("TrackCorrection", Form("%s TrackCorrection", fTitle.Data()), dummyBinning); |
69b09e3b | 115 | fTrackCorr->SetAxisTitles("vtx-z (cm)", "#eta", title3); |
51f6de65 | 116 | delete dummyBinning; |
117 | } | |
118 | else | |
119 | { | |
81be4ee8 | 120 | TH3F* dummyBinning = new TH3F("dummyBinning","dummyBinning",22, binLimitsVtx, 40, binLimitsEta , nBinsPt, binLimitsPt); |
51f6de65 | 121 | fTrackCorr = new AliCorrectionMatrix3D("TrackCorrection", Form("%s TrackCorrection", fTitle.Data()), dummyBinning); |
69b09e3b | 122 | fTrackCorr->SetAxisTitles("vtx-z (cm)", "#eta", "p_{T} (GeV/c)"); |
51f6de65 | 123 | delete dummyBinning; |
124 | } | |
125 | ||
29771dc8 | 126 | |
69b09e3b | 127 | fEventCorr->SetAxisTitles("vtx-z (cm)", "Ntracks"); |
29771dc8 | 128 | } |
129 | ||
130 | //____________________________________________________________________ | |
131 | AliCorrection::AliCorrection(const AliCorrection& c) : TNamed(c), | |
132 | fEventCorr(0), | |
133 | fTrackCorr(0) | |
134 | { | |
135 | // copy constructor | |
136 | ((AliCorrection &)c).Copy(*this); | |
137 | } | |
138 | ||
139 | //____________________________________________________________________ | |
140 | AliCorrection::~AliCorrection() | |
141 | { | |
142 | // | |
143 | // destructor | |
144 | // | |
145 | ||
146 | if (fEventCorr) | |
147 | { | |
148 | delete fEventCorr; | |
149 | fEventCorr = 0; | |
150 | } | |
151 | ||
152 | if (fTrackCorr) | |
153 | { | |
154 | delete fTrackCorr; | |
155 | fTrackCorr = 0; | |
156 | } | |
157 | } | |
158 | ||
159 | //____________________________________________________________________ | |
160 | AliCorrection &AliCorrection::operator=(const AliCorrection &c) | |
161 | { | |
162 | // assigment operator | |
163 | ||
164 | if (this != &c) | |
165 | ((AliCorrection &) c).Copy(*this); | |
166 | ||
167 | return *this; | |
168 | } | |
169 | ||
170 | //____________________________________________________________________ | |
171 | void AliCorrection::Copy(TObject& c) const | |
172 | { | |
173 | // copy function | |
174 | ||
175 | AliCorrection& target = (AliCorrection &) c; | |
176 | ||
177 | if (fEventCorr) | |
178 | target.fEventCorr = dynamic_cast<AliCorrectionMatrix2D*> (fEventCorr->Clone()); | |
179 | ||
180 | if (fTrackCorr) | |
181 | target.fTrackCorr = dynamic_cast<AliCorrectionMatrix3D*> (fTrackCorr->Clone()); | |
182 | } | |
183 | ||
184 | //____________________________________________________________________ | |
185 | Long64_t AliCorrection::Merge(TCollection* list) | |
186 | { | |
187 | // Merge a list of AliCorrection objects with this (needed for | |
188 | // PROOF). | |
189 | // Returns the number of merged objects (including this). | |
190 | ||
191 | if (!list) | |
192 | return 0; | |
193 | ||
194 | if (list->IsEmpty()) | |
195 | return 1; | |
196 | ||
197 | TIterator* iter = list->MakeIterator(); | |
198 | TObject* obj; | |
199 | ||
200 | // collections of measured and generated histograms | |
201 | TList* collectionEvent = new TList; | |
202 | TList* collectionTrack = new TList; | |
203 | ||
204 | Int_t count = 0; | |
205 | while ((obj = iter->Next())) { | |
206 | ||
207 | AliCorrection* entry = dynamic_cast<AliCorrection*> (obj); | |
208 | if (entry == 0) | |
209 | continue; | |
210 | ||
211 | collectionEvent->Add(entry->fEventCorr); | |
212 | collectionTrack->Add(entry->fTrackCorr); | |
213 | ||
214 | count++; | |
215 | } | |
216 | fEventCorr->Merge(collectionEvent); | |
217 | fTrackCorr->Merge(collectionTrack); | |
218 | ||
219 | delete collectionEvent; | |
220 | delete collectionTrack; | |
221 | ||
222 | return count+1; | |
223 | } | |
224 | ||
225 | //____________________________________________________________________ | |
226 | void AliCorrection::Divide() | |
227 | { | |
228 | // | |
229 | // divide the histograms to get the correction | |
230 | // | |
231 | ||
232 | if (!fEventCorr || !fTrackCorr) | |
233 | return; | |
234 | ||
235 | fEventCorr->Divide(); | |
236 | fTrackCorr->Divide(); | |
237 | ||
69b09e3b | 238 | Int_t emptyBins = fTrackCorr->CheckEmptyBins(-9.99, 9.99, -0.79, 0.79, 0.2, 4.9); |
29771dc8 | 239 | printf("INFO: In the central region the track correction of %s has %d empty bins\n", GetName(), emptyBins); |
240 | } | |
241 | ||
2e88424e | 242 | //____________________________________________________________________ |
243 | void AliCorrection::Add(AliCorrection* aCorrectionToAdd, Float_t c) | |
244 | { | |
245 | // | |
246 | // add to measured and generated the measured and generated of aCorrectionToAdd | |
247 | // with the weight c | |
248 | ||
249 | fEventCorr->Add(aCorrectionToAdd->GetEventCorrection(),c); | |
250 | fTrackCorr->Add(aCorrectionToAdd->GetTrackCorrection(),c); | |
251 | } | |
252 | ||
253 | ||
29771dc8 | 254 | //____________________________________________________________________ |
255 | Bool_t AliCorrection::LoadHistograms(const Char_t* dir) | |
256 | { | |
257 | // | |
258 | // loads the histograms from a file | |
259 | // if dir is empty a directory with the name of this object is taken (like in SaveHistogram) | |
260 | // | |
261 | ||
262 | if (!fEventCorr || !fTrackCorr) | |
263 | return kFALSE; | |
264 | ||
265 | if (!dir) | |
266 | dir = GetName(); | |
267 | ||
268 | if (!gDirectory->cd(dir)) | |
269 | return kFALSE; | |
270 | ||
271 | Bool_t success = fEventCorr->LoadHistograms(); | |
272 | success &= fTrackCorr->LoadHistograms(); | |
273 | ||
274 | gDirectory->cd(".."); | |
275 | ||
276 | return success; | |
277 | } | |
278 | ||
279 | //____________________________________________________________________ | |
280 | void AliCorrection::SaveHistograms() | |
281 | { | |
282 | // | |
283 | // saves the histograms in a directory with the name of this object (GetName) | |
284 | // | |
285 | ||
286 | gDirectory->mkdir(GetName()); | |
287 | gDirectory->cd(GetName()); | |
288 | ||
289 | if (fEventCorr) | |
290 | fEventCorr->SaveHistograms(); | |
291 | ||
292 | if (fTrackCorr) | |
293 | fTrackCorr->SaveHistograms(); | |
294 | ||
295 | gDirectory->cd(".."); | |
296 | } | |
297 | ||
298 | //____________________________________________________________________ | |
299 | void AliCorrection::ReduceInformation() | |
300 | { | |
301 | // this function deletes the measured and generated histograms to reduce the amount of data | |
302 | // in memory | |
303 | ||
304 | if (!fEventCorr || !fTrackCorr) | |
305 | return; | |
306 | ||
307 | fEventCorr->ReduceInformation(); | |
308 | fTrackCorr->ReduceInformation(); | |
309 | } | |
310 | ||
311 | //____________________________________________________________________ | |
312 | void AliCorrection::Reset(Option_t* option) | |
313 | { | |
314 | // resets the histograms | |
315 | ||
316 | if (fEventCorr) | |
317 | fEventCorr->Reset(option); | |
318 | ||
319 | if (fTrackCorr) | |
320 | fTrackCorr->Reset(option); | |
321 | } | |
322 | ||
323 | //____________________________________________________________________ | |
324 | void AliCorrection::DrawHistograms(const Char_t* name) | |
325 | { | |
326 | // draws the corrections | |
327 | ||
328 | if (!name) | |
329 | name = GetName(); | |
330 | ||
331 | if (fEventCorr) | |
332 | fEventCorr->DrawHistograms(Form("%s event", name)); | |
333 | ||
334 | if (fTrackCorr) | |
335 | fTrackCorr->DrawHistograms(Form("%s track", name)); | |
336 | } | |
337 | ||
dd367a14 | 338 | void AliCorrection::DrawOverview(const char* canvasName) |
339 | { | |
340 | // draw projection of the corrections | |
341 | // to the 3 axis of fTrackCorr and 2 axis of fEventCorr | |
342 | ||
343 | TString canvasNameTmp(GetName()); | |
344 | if (canvasName) | |
345 | canvasNameTmp = canvasName; | |
346 | ||
a7f69e56 | 347 | TCanvas* canvas = new TCanvas(canvasNameTmp, canvasNameTmp, 1200, 1200); |
348 | canvas->Divide(3, 3); | |
dd367a14 | 349 | |
350 | if (fTrackCorr) { | |
351 | canvas->cd(1); | |
a7f69e56 | 352 | fTrackCorr->Get2DCorrectionHistogram("xy", 0, 0)->DrawCopy("COLZ")->GetZaxis()->SetRangeUser(0, 10); |
353 | ||
354 | canvas->cd(2); | |
355 | fTrackCorr->Get2DCorrectionHistogram("yz", 0, 0)->DrawCopy("COLZ")->GetZaxis()->SetRangeUser(0, 10); | |
356 | ||
357 | canvas->cd(3); | |
358 | fTrackCorr->Get2DCorrectionHistogram("zx", 0, 0)->DrawCopy("COLZ")->GetZaxis()->SetRangeUser(0, 10); | |
359 | ||
360 | canvas->cd(4); | |
dd367a14 | 361 | fTrackCorr->Get1DCorrectionHistogram("x", 0.3, 5, -1, 1)->DrawCopy()->GetYaxis()->SetRangeUser(0, 10); |
362 | ||
a7f69e56 | 363 | canvas->cd(5); |
dd367a14 | 364 | fTrackCorr->Get1DCorrectionHistogram("y", 0.3, 5, 0, 0)->DrawCopy()->GetYaxis()->SetRangeUser(0, 10); |
365 | ||
a7f69e56 | 366 | canvas->cd(6); |
dd367a14 | 367 | fTrackCorr->Get1DCorrectionHistogram("z", 0, -1, -1, 1)->DrawCopy()->GetYaxis()->SetRangeUser(0, 10); |
368 | } | |
369 | ||
370 | if (fEventCorr) | |
371 | { | |
a7f69e56 | 372 | canvas->cd(7); |
373 | fEventCorr->GetCorrectionHistogram()->DrawCopy("COLZ")->GetYaxis()->SetRangeUser(0, 30); | |
374 | ||
375 | canvas->cd(8); | |
dd367a14 | 376 | fEventCorr->Get1DCorrectionHistogram("x")->DrawCopy(); |
377 | ||
a7f69e56 | 378 | canvas->cd(9); |
dd367a14 | 379 | fEventCorr->Get1DCorrectionHistogram("y")->DrawCopy()->GetXaxis()->SetRangeUser(0, 30); |
380 | } | |
381 | } | |
382 | ||
29771dc8 | 383 | //____________________________________________________________________ |
384 | void AliCorrection::SetCorrectionToUnity() | |
385 | { | |
386 | // set the corrections to unity | |
387 | ||
388 | if (fEventCorr) | |
389 | fEventCorr->SetCorrectionToUnity(); | |
390 | ||
391 | if (fTrackCorr) | |
392 | fTrackCorr->SetCorrectionToUnity(); | |
393 | } | |
394 | ||
395 | //____________________________________________________________________ | |
396 | void AliCorrection::Multiply() | |
397 | { | |
398 | // call Multiply | |
399 | ||
400 | if (fEventCorr) | |
401 | { | |
402 | fEventCorr->Multiply(); | |
403 | // now we manually copy the overflow bin of the y axis (multiplicity) over. This is important to get the event count correct | |
5a6310fe | 404 | TH2* hist = fEventCorr->GetMeasuredHistogram(); |
29771dc8 | 405 | for (Int_t x = 1; x <= hist->GetNbinsX(); ++x) |
406 | fEventCorr->GetGeneratedHistogram()->SetBinContent(x, hist->GetNbinsY() + 1, hist->GetBinContent(x, hist->GetNbinsY() + 1)); | |
407 | } | |
408 | ||
409 | if (fTrackCorr) | |
410 | fTrackCorr->Multiply(); | |
411 | } | |
dd367a14 | 412 | |
413 | //____________________________________________________________________ | |
414 | void AliCorrection::Scale(Double_t factor) | |
415 | { | |
416 | // scales the two contained corrections | |
417 | ||
418 | fEventCorr->Scale(factor); | |
419 | fTrackCorr->Scale(factor); | |
420 | } | |
421 | ||
422 | //____________________________________________________________________ | |
1c15d51a | 423 | void AliCorrection::PrintStats(Float_t zRange, Float_t etaRange, Float_t ptCut) |
dd367a14 | 424 | { |
1c15d51a | 425 | // prints statistics and effective correction factors |
426 | ||
427 | Printf("AliCorrection::PrintInfo: Values in |eta| < %.2f, |vtx-z| < %.2f and pt > %.2f:", etaRange, zRange, ptCut); | |
428 | ||
429 | // prevent to be on bin border | |
430 | zRange -= 0.1; | |
431 | etaRange -= 0.1; | |
dd367a14 | 432 | |
433 | TH3* measured = GetTrackCorrection()->GetMeasuredHistogram(); | |
434 | TH3* generated = GetTrackCorrection()->GetGeneratedHistogram(); | |
435 | ||
436 | TH2* measuredEvents = GetEventCorrection()->GetMeasuredHistogram(); | |
437 | TH2* generatedEvents = GetEventCorrection()->GetGeneratedHistogram(); | |
438 | ||
1c15d51a | 439 | Float_t tracksM = measured->Integral(measured->GetXaxis()->FindBin(-zRange), measured->GetXaxis()->FindBin(zRange), measured->GetYaxis()->FindBin(-etaRange), measured->GetYaxis()->FindBin(etaRange), measured->GetZaxis()->FindBin(ptCut), measured->GetZaxis()->GetNbins()); |
440 | Float_t tracksG = generated->Integral(generated->GetXaxis()->FindBin(-zRange), generated->GetXaxis()->FindBin(zRange), generated->GetYaxis()->FindBin(-etaRange), generated->GetYaxis()->FindBin(etaRange), generated->GetZaxis()->FindBin(ptCut), generated->GetZaxis()->GetNbins()); | |
dd367a14 | 441 | |
1c15d51a | 442 | Float_t eventsM = measuredEvents->Integral(measuredEvents->GetXaxis()->FindBin(-zRange), measuredEvents->GetXaxis()->FindBin(zRange), 1, measuredEvents->GetNbinsY()); |
443 | Float_t eventsG = generatedEvents->Integral(generatedEvents->GetXaxis()->FindBin(-zRange), generatedEvents->GetXaxis()->FindBin(zRange), 1, generatedEvents->GetNbinsY()); | |
3dfa46a4 | 444 | |
81be4ee8 | 445 | Float_t eventsM1 = measuredEvents->Integral(measuredEvents->GetXaxis()->FindBin(-zRange), measuredEvents->GetXaxis()->FindBin(zRange), 2, measuredEvents->GetNbinsY()); |
446 | Float_t eventsG1 = generatedEvents->Integral(generatedEvents->GetXaxis()->FindBin(-zRange), generatedEvents->GetXaxis()->FindBin(zRange), 2, generatedEvents->GetNbinsY()); | |
447 | ||
448 | Printf("tracks measured: %.1f tracks generated: %.1f, events measured: %.1f, events generated %.1f, events (N>0) measured: %.1f, events (N>0) generated %.1f", tracksM, tracksG, eventsM, eventsG, eventsM1, eventsG1); | |
dd367a14 | 449 | |
3dfa46a4 | 450 | if (tracksM > 0) |
451 | Printf("Effective average correction factor for TRACKS: %.3f", tracksG / tracksM); | |
452 | if (eventsM > 0) | |
1c15d51a | 453 | Printf("Effective average correction factor for EVENTS: %.3f", eventsG / eventsM); |
dd367a14 | 454 | |
3dfa46a4 | 455 | if (eventsM > 0 && eventsG > 0) |
456 | { | |
457 | // normalize to number of events; | |
458 | tracksM /= eventsM; | |
459 | tracksG /= eventsG; | |
460 | ||
51f6de65 | 461 | Printf("%.2f tracks/event measured, %.2f tracks/event after correction --> effective average correction factor is %.3f (pt cut %.2f GeV/c)", tracksM, tracksG, (tracksM > 0) ? (tracksG / tracksM) : -1, ptCut); |
3dfa46a4 | 462 | } |
dd367a14 | 463 | } |
1c15d51a | 464 | |
465 | //____________________________________________________________________ | |
466 | void AliCorrection::PrintInfo(Float_t ptCut) | |
467 | { | |
468 | // prints some stats | |
469 | ||
470 | TH3* measured = GetTrackCorrection()->GetMeasuredHistogram(); | |
471 | TH3* generated = GetTrackCorrection()->GetGeneratedHistogram(); | |
472 | ||
473 | TH2* measuredEvents = GetEventCorrection()->GetMeasuredHistogram(); | |
474 | TH2* generatedEvents = GetEventCorrection()->GetGeneratedHistogram(); | |
475 | ||
476 | Printf("AliCorrection::PrintInfo: Whole phasespace:"); | |
477 | ||
478 | Printf("tracks measured: %.1f tracks generated: %.1f, events measured: %.1f, events generated %.1f", measured->Integral(), generated->Integral(), measuredEvents->Integral(), generatedEvents->Integral()); | |
479 | ||
51f6de65 | 480 | Printf("Example centered bin: tracks measured: %.1f tracks generated: %.1f, events measured: %.1f, events generated %.1f", measured->GetBinContent(measured->GetNbinsX() / 2, measured->GetNbinsY() / 2, measured->GetNbinsZ() / 2), generated->GetBinContent(measured->GetNbinsX() / 2, measured->GetNbinsY() / 2, measured->GetNbinsZ() / 2), measuredEvents->GetBinContent(measuredEvents->GetNbinsX() / 2, measuredEvents->GetNbinsY() / 2), generatedEvents->GetBinContent(measuredEvents->GetNbinsX() / 2, measuredEvents->GetNbinsY() / 2)); |
481 | ||
1d107532 | 482 | PrintStats(10, 0.6, ptCut); |
a7f69e56 | 483 | PrintStats(10, 0.8, ptCut); |
1c15d51a | 484 | PrintStats(10, 1.5, ptCut); |
485 | } | |
610f8b68 | 486 | |
487 | //____________________________________________________________________ | |
488 | void AliCorrection::ResetErrorsOnCorrections() | |
489 | { | |
490 | // resets the errors in the correction matrix | |
491 | ||
492 | fEventCorr->ResetErrorsOnCorrections(); | |
493 | fTrackCorr->ResetErrorsOnCorrections(); | |
494 | } |