]>
Commit | Line | Data |
---|---|---|
0ab29cfa | 1 | /* $Id$ */ |
2 | ||
3 | // | |
dca331bb | 4 | // script to correct the multiplicity spectrum + helpers |
0ab29cfa | 5 | // |
6 | ||
0b4bfd98 | 7 | void SetTPC() |
0a173978 | 8 | { |
9 | gSystem->Load("libPWG0base"); | |
0b4bfd98 | 10 | AliMultiplicityCorrection::SetQualityRegions(kFALSE); |
11 | } | |
0a173978 | 12 | |
69b09e3b | 13 | const char* GetMultLabel(Int_t etaR = -1, Bool_t trueM = kTRUE) |
14 | { | |
15 | if (etaR == -1) | |
16 | etaR = etaRange; | |
17 | ||
18 | TString tmpStr((trueM) ? "True " : "Measured "); | |
19 | ||
20 | if (etaR == 4) | |
21 | { | |
22 | tmpStr += "multiplicity (full phase space)"; | |
23 | } | |
24 | else | |
25 | tmpStr += Form("multiplicity in |#eta| < %.1f", (etaR+1)* 0.5); | |
26 | return Form("%s", tmpStr.Data()); | |
27 | } | |
28 | ||
2440928d | 29 | void draw(const char* fileName = "multiplicity.root", const char* folder = "Multiplicity") |
0b4bfd98 | 30 | { |
2440928d | 31 | loadlibs(); |
0a173978 | 32 | |
0b4bfd98 | 33 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection(folder, folder); |
0a173978 | 34 | |
0b4bfd98 | 35 | TFile::Open(fileName); |
36 | mult->LoadHistograms(); | |
0a173978 | 37 | mult->DrawHistograms(); |
447c325d | 38 | |
f3eb27f6 | 39 | TH2* hist = (TH2*) gROOT->FindObject("fCorrelation2_zy"); |
447c325d | 40 | canvas = new TCanvas("c1", "c1", 600, 500); |
f3eb27f6 | 41 | canvas->SetTopMargin(0.05); |
447c325d | 42 | hist->SetStats(kFALSE); |
43 | hist->Draw("COLZ"); | |
f3eb27f6 | 44 | hist->SetTitle(";true multiplicity in |#eta| < 1.5;measured multiplicity in |#eta| < 1.5"); |
447c325d | 45 | hist->GetYaxis()->SetTitleOffset(1.1); |
f3eb27f6 | 46 | gPad->SetRightMargin(0.12); |
447c325d | 47 | gPad->SetLogz(); |
48 | ||
f3eb27f6 | 49 | canvas->SaveAs("responsematrix.eps"); |
0ab29cfa | 50 | } |
51 | ||
0f67a57c | 52 | void loadlibs() |
9ca6be09 | 53 | { |
0f67a57c | 54 | gSystem->Load("libTree"); |
55 | gSystem->Load("libVMC"); | |
56 | ||
57 | gSystem->Load("libSTEERBase"); | |
58 | gSystem->Load("libANALYSIS"); | |
2440928d | 59 | gSystem->Load("libANALYSISalice"); |
9ca6be09 | 60 | gSystem->Load("libPWG0base"); |
0f67a57c | 61 | } |
9ca6be09 | 62 | |
69b09e3b | 63 | void correct(const char* fileNameMC = "multiplicityMC.root", const char* folder = "Multiplicity", const char* fileNameESD = "multiplicityESD.root", Bool_t chi2 = kFALSE, Int_t histID = 1, Bool_t fullPhaseSpace = kFALSE, Float_t beta = 1e5, Int_t eventType = 0 /* AliMultiplicityCorrection::kTrVtx */, const char* targetFile = "unfolded.root", const char* folderESD = "Multiplicity") |
0f67a57c | 64 | { |
65 | loadlibs(); | |
0a0f4adb | 66 | |
69b09e3b | 67 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open(fileNameMC, folder); |
68 | AliMultiplicityCorrection* esd = AliMultiplicityCorrection::Open(fileNameESD, folderESD); | |
b3b260d1 | 69 | |
70fdd197 | 70 | //AliUnfolding::SetNbins(150, 150); |
71 | //AliUnfolding::SetNbins(65, 65); | |
72 | //AliUnfolding::SetNbins(35, 35); | |
73 | //AliUnfolding::SetDebug(1); | |
f3eb27f6 | 74 | |
70fdd197 | 75 | for (Int_t hID = ((histID == -1) ? 0 : histID); hID <= ((histID == -1) ? 2 : histID); hID++) |
447c325d | 76 | { |
70fdd197 | 77 | switch (hID) |
78 | { | |
79 | case 0: AliUnfolding::SetNbins(35, 35); break; | |
80 | case 1: AliUnfolding::SetNbins(60, 60); break; | |
81 | case 2: AliUnfolding::SetNbins(70, 70); beta *= 3; break; | |
82 | } | |
83 | ||
b3b260d1 | 84 | TH2F* hist = esd->GetMultiplicityESD(hID); |
85 | TH2F* hist2 = esd->GetMultiplicityMC(hID, eventType); | |
86 | ||
7dcf959e | 87 | mult->SetMultiplicityESD(hID, hist); |
b3b260d1 | 88 | |
89 | // small hack to get around charge conservation for full phase space ;-) | |
90 | if (fullPhaseSpace) | |
91 | { | |
92 | TH1* corr = mult->GetCorrelation(histID + 4); | |
93 | ||
94 | for (Int_t i=2; i<=corr->GetNbinsX(); i+=2) | |
95 | for (Int_t j=1; j<=corr->GetNbinsY(); ++j) | |
96 | { | |
97 | corr->SetBinContent(i, j, corr->GetBinContent(i-1, j)); | |
98 | corr->SetBinError(i, j, corr->GetBinError(i-1, j)); | |
99 | } | |
100 | } | |
101 | ||
102 | if (chi2) | |
103 | { | |
104 | AliUnfolding::SetChi2Regularization(AliUnfolding::kPol0, beta); | |
70fdd197 | 105 | //AliUnfolding::SetCreateOverflowBin(kFALSE); |
b3b260d1 | 106 | //mult->SetRegularizationParameters(AliMultiplicityCorrection::kNone, 0); //mult->SetCreateBigBin(kFALSE); |
107 | //mult->SetRegularizationParameters(AliMultiplicityCorrection::kNone, 0, 125); mult->SetCreateBigBin(kFALSE); | |
70fdd197 | 108 | // AliUnfolding::SetChi2Regularization(AliUnfolding::kEntropy, beta); |
b3b260d1 | 109 | //mult->SetRegularizationParameters(AliMultiplicityCorrection::kLog, 1e5); |
110 | ||
111 | //mult->ApplyMinuitFit(histID, fullPhaseSpace, AliMultiplicityCorrection::kTrVtx, kTRUE, mcCompare); | |
112 | //mult->SetMultiplicityESDCorrected(histID, (TH1F*) mcCompare); | |
113 | ||
70fdd197 | 114 | mult->ApplyMinuitFit(hID, fullPhaseSpace, eventType, kFALSE, 0, kFALSE); //hist2->ProjectionY("mymchist")); |
b3b260d1 | 115 | //mult->ApplyNBDFit(histID, fullPhaseSpace, eventType); |
116 | } | |
117 | else | |
118 | { | |
119 | mult->ApplyBayesianMethod(hID, fullPhaseSpace, eventType, 1, 10, 0, kTRUE); | |
70fdd197 | 120 | //mult->ApplyBayesianMethod(hID, fullPhaseSpace, eventType, 1, 5, 0, kFALSE); |
b3b260d1 | 121 | } |
122 | ||
123 | mult->SetMultiplicityMC(hID, eventType, hist2); | |
dd701109 | 124 | } |
69b09e3b | 125 | |
126 | Printf("Writing result to %s", targetFile); | |
127 | TFile* file = TFile::Open(targetFile, "RECREATE"); | |
144ff489 | 128 | mult->SaveHistograms(); |
129 | file->Write(); | |
130 | file->Close(); | |
0a0f4adb | 131 | |
b3b260d1 | 132 | for (hID = ((histID == -1) ? 0 : histID); hID <= ((histID == -1) ? 2 : histID); hID++) |
133 | { | |
134 | TH2F* hist2 = esd->GetMultiplicityMC(hID, eventType); | |
135 | TH1* mcCompare = hist2->ProjectionY("mcmchist", 1, hist2->GetNbinsX()); | |
136 | mult->DrawComparison(Form("%s_%d", (chi2) ? "MinuitChi2" : "Bayesian", hID), hID, fullPhaseSpace, kTRUE, mcCompare); | |
137 | } | |
69b09e3b | 138 | } |
139 | ||
70fdd197 | 140 | TH1* GetChi2Bias(Float_t alpha) |
141 | { | |
142 | loadlibs(); | |
143 | ||
144 | const char* fileNameMC = "multiplicityMC.root"; | |
145 | const char* folder = "Multiplicity"; | |
146 | const char* fileNameESD = "multiplicityESD.root"; | |
147 | const char* folderESD = "Multiplicity"; | |
148 | ||
149 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open(fileNameMC, folder); | |
150 | AliMultiplicityCorrection* esd = AliMultiplicityCorrection::Open(fileNameESD, folderESD); | |
151 | ||
152 | //Int_t hID = 0; const Int_t kMaxBins = 35; | |
153 | //Int_t hID = 1; const Int_t kMaxBins = 60; | |
154 | Int_t hID = 2; const Int_t kMaxBins = 70; | |
155 | AliUnfolding::SetNbins(kMaxBins, kMaxBins); | |
156 | //AliUnfolding::SetDebug(1); | |
157 | //AliUnfolding::SetChi2Regularization(AliUnfolding::kPol0, 50); | |
158 | AliUnfolding::SetChi2Regularization(AliUnfolding::kPol0, alpha); | |
159 | ||
160 | TH2F* hist = esd->GetMultiplicityESD(hID); | |
161 | mult->SetMultiplicityESD(hID, hist); | |
162 | ||
163 | // without bias calculation | |
164 | mult->ApplyMinuitFit(hID, kFALSE, 0, kFALSE); | |
165 | baseold = (TH1*) mult->GetMultiplicityESDCorrected(hID)->Clone("baseold"); | |
166 | ||
167 | // with bias calculation | |
168 | mult->ApplyMinuitFit(hID, kFALSE, 0, kFALSE, 0, kTRUE); | |
169 | base = (TH1*) mult->GetMultiplicityESDCorrected(hID)->Clone("base"); | |
170 | ||
171 | // relative error plots | |
172 | ratio1 = (TH1*) mult->GetMultiplicityESDCorrected(hID)->Clone("hist1"); | |
173 | ratio1->SetStats(0); | |
174 | ratio1->SetTitle(";unfolded multiplicity;relative error"); | |
175 | ratio1->Reset(); | |
176 | ratio2 = (TH1*) mult->GetMultiplicityESDCorrected(hID)->Clone("hist1"); | |
177 | ratio2->Reset(); | |
178 | ||
179 | for (Int_t t = 0; t<kMaxBins; t++) | |
180 | { | |
181 | Printf("Bin %d; Content: %f; Chi2 Error: %f; Bias: %f; In percent: %.2f %.2f", t+1, base->GetBinContent(t+1), baseold->GetBinError(t+1), base->GetBinError(t+1), (base->GetBinContent(t+1) > 0) ? 100.0 * baseold->GetBinError(t+1) / base->GetBinContent(t+1) : -1, (base->GetBinContent(t+1) > 0) ? 100.0 * base->GetBinError(t+1) / base->GetBinContent(t+1) : -1); | |
182 | if (base->GetBinContent(t+1) <= 0) | |
183 | continue; | |
184 | ratio1->SetBinContent(t+1, baseold->GetBinError(t+1) / base->GetBinContent(t+1)); | |
185 | ratio2->SetBinContent(t+1, base->GetBinError(t+1) / base->GetBinContent(t+1)); | |
186 | } | |
187 | ||
188 | //new TCanvas; base->Draw(); gPad->SetLogy(); | |
189 | ||
190 | new TCanvas; | |
191 | ratio1->GetYaxis()->SetRangeUser(0, 1); | |
192 | ratio1->GetXaxis()->SetRangeUser(0, kMaxBins); | |
193 | ratio1->Draw(); | |
194 | ratio2->SetLineColor(2); | |
195 | ratio2->Draw("SAME"); | |
196 | ||
197 | return base; | |
198 | } | |
199 | ||
200 | void CheckBayesianBias() | |
201 | { | |
202 | loadlibs(); | |
203 | ||
204 | const char* fileNameMC = "multiplicityMC.root"; | |
205 | const char* folder = "Multiplicity"; | |
206 | const char* fileNameESD = "multiplicityESD.root"; | |
207 | const char* folderESD = "Multiplicity"; | |
208 | ||
209 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open(fileNameMC, folder); | |
210 | AliMultiplicityCorrection* esd = AliMultiplicityCorrection::Open(fileNameESD, folderESD); | |
211 | ||
212 | const Int_t kMaxBins = 35; | |
213 | AliUnfolding::SetNbins(kMaxBins, kMaxBins); | |
214 | //AliUnfolding::SetDebug(1); | |
215 | ||
216 | Int_t hID = 0; | |
217 | ||
218 | TH2F* hist = esd->GetMultiplicityESD(hID); | |
219 | mult->SetMultiplicityESD(hID, hist); | |
220 | ||
221 | // without bias calculation | |
222 | mult->ApplyBayesianMethod(hID, kFALSE, 0, 1, 10, 0, 1); | |
223 | baseold = (TH1*) mult->GetMultiplicityESDCorrected(hID)->Clone("baseold"); | |
224 | ||
225 | // with bias calculation | |
226 | mult->ApplyBayesianMethod(hID, kFALSE, 0, 1, 10, 0, 2); | |
227 | base = (TH1*) mult->GetMultiplicityESDCorrected(hID)->Clone("base"); | |
228 | ||
229 | TH1* hist1 = new TH1F("hist1", "", 100, 0, 20); | |
230 | TH1* hist2 = new TH1F("hist2", "", 100, 0, 20); | |
231 | ||
232 | for (Int_t t = 0; t<kMaxBins; t++) | |
233 | { | |
234 | Printf("Bin %d; Content: %f; Randomization Error: %f; Bias: %f; In percent: %.2f %.2f", t+1, base->GetBinContent(t+1), baseold->GetBinError(t+1), base->GetBinError(t+1), (base->GetBinContent(t+1) > 0) ? 100.0 * baseold->GetBinError(t+1) / base->GetBinContent(t+1) : -1, (base->GetBinContent(t+1) > 0) ? 100.0 * base->GetBinError(t+1) / base->GetBinContent(t+1) : -1); | |
235 | ||
236 | hist1->Fill((base->GetBinContent(t+1) > 0) ? 100.0 * baseold->GetBinError(t+1) / base->GetBinContent(t+1) : -1); | |
237 | hist2->Fill((base->GetBinContent(t+1) > 0) ? 100.0 * base->GetBinError(t+1) / base->GetBinContent(t+1) : -1); | |
238 | } | |
239 | ||
240 | new TCanvas; | |
241 | hist1->Draw(); | |
242 | hist2->SetLineColor(2); | |
243 | hist2->Draw("SAME"); | |
244 | } | |
245 | ||
246 | void DataScan(Bool_t redo = kTRUE) | |
247 | { | |
248 | // makes a set of unfolded spectra and compares | |
249 | // don't forget FindUnfoldedLimit in plots.C | |
250 | ||
251 | loadlibs(); | |
252 | ||
253 | // files... | |
254 | Bool_t mc = kTRUE; | |
255 | const char* fileNameMC = "multiplicityMC.root"; | |
256 | const char* folder = "Multiplicity"; | |
257 | const char* fileNameESD = "multiplicityESD.root"; | |
258 | const char* folderESD = "Multiplicity"; | |
259 | Int_t hID = 0; const Int_t kMaxBins = 35; | |
260 | //Int_t hID = 1; const Int_t kMaxBins = 60; | |
261 | //Int_t hID = 2; const Int_t kMaxBins = 70; | |
262 | AliMultiplicityCorrection::EventType eventType = AliMultiplicityCorrection::kTrVtx; | |
263 | Bool_t evaluteBias = kFALSE; | |
264 | ||
265 | Int_t referenceCase = 2; // all results are shown as ratio to this case | |
266 | ||
267 | // chi2 range | |
268 | AliUnfolding::RegularizationType regBegin = AliUnfolding::kPol0; | |
269 | AliUnfolding::RegularizationType regEnd = AliUnfolding::kPol0; | |
270 | Float_t regParamBegin[] = { 0, 1, 10 }; | |
271 | Float_t regParamEnd[] = { 0, 40, 101 }; | |
272 | Float_t regParamStep[] = { 0, TMath::Sqrt(10), TMath::Sqrt(10) }; | |
273 | ||
274 | // bayesian range | |
275 | Int_t iterBegin = 5; | |
276 | Int_t iterEnd = 21; | |
277 | Int_t iterStep = 5; | |
278 | ||
279 | TList labels; | |
280 | ||
281 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open(fileNameMC, folder); | |
282 | AliMultiplicityCorrection* esd = AliMultiplicityCorrection::Open(fileNameESD, folderESD); | |
283 | ||
284 | mult->SetMultiplicityESD(hID, esd->GetMultiplicityESD(hID)); | |
285 | ||
286 | if (mc) | |
287 | mult->SetMultiplicityMC(hID, eventType, esd->GetMultiplicityMC(hID, eventType)); | |
288 | ||
289 | AliUnfolding::SetNbins(kMaxBins, kMaxBins); | |
290 | //AliUnfolding::SetDebug(1); | |
291 | ||
292 | Int_t count = -1; | |
293 | ||
294 | for (AliUnfolding::RegularizationType reg = regBegin; reg <= regEnd; reg++) | |
295 | { | |
296 | for (Float_t regParam = regParamBegin[reg]; regParam < regParamEnd[reg]; regParam *= regParamStep[reg]) | |
297 | { | |
298 | count++; | |
299 | labels.Add(new TObjString(Form("#chi^{2} Reg %d #beta = %.2f", (Int_t) reg, regParam))); | |
300 | ||
301 | if (!redo) | |
302 | continue; | |
303 | ||
304 | AliUnfolding::SetChi2Regularization(reg, regParam); | |
305 | ||
306 | mult->ApplyMinuitFit(hID, kFALSE, eventType, kFALSE, 0, evaluteBias); | |
307 | ||
308 | file = TFile::Open(Form("datascan_%d.root", count), "RECREATE"); | |
309 | mult->SaveHistograms(); | |
310 | file->Close(); | |
311 | } | |
312 | } | |
313 | ||
314 | for (Int_t iter = iterBegin; iter <= iterEnd; iter += iterStep) | |
315 | { | |
316 | count++; | |
317 | labels.Add(new TObjString(Form("Bayesian Iter = %d", iter))); | |
318 | ||
319 | if (!redo) | |
320 | continue; | |
321 | ||
322 | mult->ApplyBayesianMethod(hID, kFALSE, eventType, 1, iter, 0, kTRUE); | |
323 | ||
324 | file = TFile::Open(Form("datascan_%d.root", count), "RECREATE"); | |
325 | mult->SaveHistograms(); | |
326 | file->Close(); | |
327 | } | |
328 | ||
329 | // 1) all distributions | |
330 | // 2) ratio to MC | |
331 | // 3) ratio to ref point | |
332 | // 4) relative error | |
333 | // 5) residuals | |
334 | c = new TCanvas("c", "c", 1200, 800); | |
335 | c->Divide(3, 2); | |
336 | ||
337 | c->cd(1)->SetLogy(); | |
338 | ||
339 | // get reference point | |
340 | mult = AliMultiplicityCorrection::Open(Form("datascan_%d.root", referenceCase)); | |
341 | if (!mult) | |
342 | return; | |
343 | refPoint = (TH1*) mult->GetMultiplicityESDCorrected(hID)->Clone("refPoint"); | |
344 | ||
345 | legend = new TLegend(0.5, 0.5, 0.99, 0.99); | |
346 | legend->SetFillColor(0); | |
347 | ||
348 | TH1* residualSum = new TH1F("residualSum", ";;residual squared sum", count + 1, 0.5, count + 1.5); | |
349 | ||
350 | count = 0; | |
351 | while (1) | |
352 | { | |
353 | mult = AliMultiplicityCorrection::Open(Form("datascan_%d.root", count++)); | |
354 | if (!mult) | |
355 | break; | |
356 | ||
357 | hist = (TH1*) mult->GetMultiplicityESDCorrected(hID); | |
358 | hist->SetLineColor((count-1) % 4 + 1); | |
359 | hist->SetLineStyle((count-1) / 4 + 1); | |
360 | hist->GetXaxis()->SetRangeUser(0, kMaxBins); | |
361 | hist->SetStats(kFALSE); | |
362 | hist->SetTitle(""); | |
363 | ||
364 | legend->AddEntry(hist->Clone(), labels.At(count-1)->GetName()); | |
365 | ||
366 | c->cd(1); | |
367 | hist->DrawCopy((count == 1) ? "HIST" : "HISTSAME"); | |
368 | ||
369 | if (mc) | |
370 | { | |
371 | TH2* mcHist2d = mult->GetMultiplicityMC(hID, eventType); | |
372 | mcHist = mcHist2d->ProjectionY("mcmchist", 1, mcHist2d->GetNbinsX()); | |
373 | ||
374 | c->cd(1); | |
375 | mcHist->SetMarkerStyle(24); | |
376 | mcHist->Draw("P SAME"); | |
377 | ||
378 | c->cd(2); | |
379 | // calculate ratio using only the error on the mc bin | |
380 | ratio = (TH1*) hist->Clone("ratio"); | |
381 | for (Int_t bin=1; bin<=ratio->GetNbinsX(); bin++) | |
382 | { | |
383 | if (mcHist->GetBinContent(bin) <= 0) | |
384 | continue; | |
385 | ratio->SetBinContent(bin, hist->GetBinContent(bin) / mcHist->GetBinContent(bin)); | |
386 | ratio->SetBinError(bin, mcHist->GetBinError(bin) / mcHist->GetBinContent(bin) * ratio->GetBinContent(bin)); | |
387 | } | |
388 | ||
389 | ratio->GetYaxis()->SetRangeUser(0.5, 1.5); | |
390 | ratio->GetYaxis()->SetTitle("Ratio unfolded / MC"); | |
391 | ratio->DrawCopy((count == 1) ? "HIST" : "HISTSAME"); | |
392 | } | |
393 | ||
394 | c->cd(3); | |
395 | // calculate ratio using no errors for now | |
396 | ratio = (TH1*) hist->Clone("ratio"); | |
397 | for (Int_t bin=1; bin<=ratio->GetNbinsX(); bin++) | |
398 | { | |
399 | if (refPoint->GetBinContent(bin) <= 0) | |
400 | continue; | |
401 | ratio->SetBinContent(bin, hist->GetBinContent(bin) / refPoint->GetBinContent(bin)); | |
402 | ratio->SetBinError(bin, 0); | |
403 | } | |
404 | ||
405 | ratio->GetYaxis()->SetRangeUser(0.5, 1.5); | |
406 | ratio->GetYaxis()->SetTitle("Ratio unfolded / unfolded reference case"); | |
407 | ratio->DrawCopy((count == 1) ? "" : "SAME"); | |
408 | ||
409 | c->cd(4); | |
410 | ratio = (TH1*) hist->Clone("ratio"); | |
411 | for (Int_t bin=1; bin<=ratio->GetNbinsX(); bin++) | |
412 | { | |
413 | if (ratio->GetBinContent(bin) <= 0) | |
414 | continue; | |
415 | ratio->SetBinContent(bin, ratio->GetBinError(bin) / ratio->GetBinContent(bin)); | |
416 | ratio->SetBinError(bin, 0); | |
417 | } | |
418 | ratio->GetYaxis()->SetRangeUser(0, 1); | |
419 | ratio->GetYaxis()->SetTitle("Relative error"); | |
420 | ratio->DrawCopy((count == 1) ? "" : "SAME"); | |
421 | ||
422 | c->cd(5); | |
423 | Float_t sum; | |
424 | residuals = mult->GetResiduals(hID, AliMultiplicityCorrection::kTrVtx, sum); | |
425 | residuals->SetStats(0); | |
426 | residuals->GetXaxis()->SetRangeUser(0, kMaxBins); | |
427 | residuals->SetStats(kFALSE); | |
428 | residuals->SetLineColor((count-1) % 4 + 1); | |
429 | residuals->SetLineStyle((count-1) / 4 + 1); | |
430 | residuals->GetYaxis()->SetRangeUser(-5, 5); | |
431 | residuals->DrawCopy((count == 1) ? "" : "SAME"); | |
432 | ||
433 | residualSum->Fill(count, sum); | |
434 | residualSum->GetXaxis()->SetBinLabel(count, labels.At(count-1)->GetName()); | |
435 | } | |
436 | ||
437 | c->cd(6); | |
438 | residualSum->Draw(); | |
439 | legend->Draw(); | |
440 | } | |
441 | ||
69b09e3b | 442 | void DrawBayesianIterations(const char* fileNameMC = "multiplicityMC.root", const char* fileNameESD = "multiplicityESD.root", Int_t histID = 1, Int_t eventType = 0 /* AliMultiplicityCorrection::kTrVtx */) |
443 | { | |
444 | loadlibs(); | |
445 | ||
446 | const char* folder = "Multiplicity"; | |
447 | ||
448 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection(folder, folder); | |
449 | TFile::Open(fileNameMC); | |
450 | mult->LoadHistograms(); | |
451 | ||
452 | AliMultiplicityCorrection* esd = new AliMultiplicityCorrection(folder, folder); | |
453 | TFile::Open(fileNameESD); | |
454 | esd->LoadHistograms(); | |
455 | ||
456 | TH2F* hist = esd->GetMultiplicityESD(histID); | |
457 | TH2F* hist2 = esd->GetMultiplicityMC(histID, eventType); | |
458 | ||
459 | mult->SetMultiplicityESD(histID, hist); | |
460 | mult->SetMultiplicityMC(histID, eventType, hist2); | |
461 | ||
462 | TH1* mcCompare = hist2->ProjectionY("mcmchist", 1, hist2->GetNbinsX()); | |
463 | //mcCompare->Scale(1.0 / mcCompare->Integral()); | |
464 | ||
465 | TH1* esdHist = (TH1*) hist->ProjectionY("myesd", 1, 1)->Clone("myesd"); | |
466 | //esdHist->Scale(1.0 / esdHist->Integral()); | |
467 | ||
468 | c = new TCanvas("c", "c", 1200, 600); | |
469 | c->Divide(2, 1); | |
470 | ||
471 | c->cd(1); | |
472 | gPad->SetLeftMargin(0.12); | |
473 | gPad->SetTopMargin(0.05); | |
474 | gPad->SetRightMargin(0.05); | |
475 | gPad->SetLogy(); | |
476 | gPad->SetGridx(); | |
477 | gPad->SetGridy(); | |
478 | ||
479 | mcCompare->GetXaxis()->SetRangeUser(0, 80); | |
480 | mcCompare->SetStats(0); | |
481 | mcCompare->SetFillColor(5); | |
482 | mcCompare->SetLineColor(5); | |
483 | mcCompare->SetTitle(Form(";%s;Entries", GetMultLabel(1))); | |
484 | mcCompare->GetYaxis()->SetRangeUser(2, esdHist->GetMaximum() * 2); | |
485 | mcCompare->GetYaxis()->SetTitleOffset(1.3); | |
486 | mcCompare->Draw("HIST"); | |
487 | esdHist->SetMarkerStyle(5); | |
488 | esdHist->Draw("P HIST SAME"); | |
489 | ||
490 | c->cd(2); | |
491 | gPad->SetTopMargin(0.05); | |
492 | gPad->SetRightMargin(0.05); | |
493 | gPad->SetGridx(); | |
494 | gPad->SetGridy(); | |
495 | ||
496 | trueMeasuredRatio = (TH1*) mcCompare->Clone("trueMeasuredRatio"); | |
497 | trueMeasuredRatio->Divide(esdHist); | |
498 | trueMeasuredRatio->SetStats(0); | |
499 | trueMeasuredRatio->SetTitle(Form(";%s;Ratio", GetMultLabel(1))); | |
500 | trueMeasuredRatio->GetYaxis()->SetTitleOffset(1.3); | |
501 | trueMeasuredRatio->GetYaxis()->SetRangeUser(0, 2); | |
502 | // ROOT displays all values > 2 at 2 which looks weird | |
503 | for (Int_t i=1; i<=trueMeasuredRatio->GetNbinsX(); i++) | |
504 | if (trueMeasuredRatio->GetBinContent(i) > 2) | |
505 | trueMeasuredRatio->SetBinContent(i, 0); | |
506 | trueMeasuredRatio->SetMarkerStyle(5); | |
507 | trueMeasuredRatio->Draw("P"); | |
508 | ||
509 | Int_t colors[] = {1, 2, 4, 6}; | |
510 | ||
511 | legend = new TLegend(0.15, 0.13, 0.5, 0.5); | |
512 | legend->SetFillColor(0); | |
513 | legend->SetTextSize(0.04); | |
514 | ||
515 | legend->AddEntry(mcCompare, "True", "F"); | |
516 | legend->AddEntry(esdHist, "Measured", "P"); | |
517 | ||
518 | legend2 = new TLegend(0.15, 0.13, 0.5, 0.4); | |
519 | legend2->SetFillColor(0); | |
520 | legend2->SetTextSize(0.04); | |
521 | ||
522 | legend2->AddEntry(trueMeasuredRatio, "Measured", "P"); | |
523 | ||
524 | Int_t iters[] = {1, 3, 10, -1}; | |
525 | for (Int_t i = 0; i<4; i++) | |
526 | { | |
527 | Int_t iter = iters[i]; | |
528 | mult->ApplyBayesianMethod(histID, kFALSE, eventType, 1, iter, 0, 0); | |
529 | corr = mult->GetMultiplicityESDCorrected(histID); | |
530 | corr->Scale(1.0 / corr->Integral()); | |
531 | corr->Scale(mcCompare->Integral()); | |
532 | corr->GetXaxis()->SetRangeUser(0, 80); | |
533 | //corr->SetMarkerStyle(20+iter); | |
534 | corr->SetLineColor(colors[i]); | |
535 | corr->SetLineStyle(i+1); | |
536 | corr->SetLineWidth(2); | |
537 | ||
538 | c->cd(1); | |
539 | corr->DrawCopy("SAME HIST"); | |
540 | ||
541 | c->cd(2); | |
542 | clone = (TH1*) corr->Clone("clone"); | |
543 | clone->Divide(mcCompare, corr); | |
544 | clone->GetYaxis()->SetRangeUser(0, 2); | |
545 | clone->DrawCopy("SAME HIST"); | |
546 | ||
547 | legend->AddEntry((TH1*) corr->Clone(), (iter > -1) ? Form("%d iteration%s", iter, (iter == 1) ? "" : "s") : "Convergence", "L"); | |
548 | legend2->AddEntry((TH1*) corr->Clone(), (iter > -1) ? Form("%d iteration%s", iter, (iter == 1) ? "" : "s") : "Convergence", "L"); | |
549 | } | |
550 | ||
551 | c->cd(1); | |
552 | legend->Draw(); | |
553 | ||
554 | c->cd(2); | |
555 | legend2->Draw(); | |
556 | ||
557 | c->SaveAs("bayesian_iterations.eps"); | |
0a0f4adb | 558 | } |
559 | ||
f3eb27f6 | 560 | void CompareChi2Bayesian(Int_t histID = 2, const char* chi2File = "chi2.root", const char* bayesianFile = "bayesian.root", const char* label1 = "Chi2", const char* label2 = "Bayesian", const char* mcFile = 0, Float_t simpleCorrect = 0) |
0a0f4adb | 561 | { |
562 | const char* folder = "Multiplicity"; | |
563 | ||
564 | loadlibs(); | |
565 | ||
566 | AliMultiplicityCorrection* chi2 = new AliMultiplicityCorrection(folder, folder); | |
567 | TFile::Open(chi2File); | |
568 | chi2->LoadHistograms(); | |
569 | ||
570 | AliMultiplicityCorrection* bayesian = new AliMultiplicityCorrection(folder, folder); | |
571 | TFile::Open(bayesianFile); | |
572 | bayesian->LoadHistograms(); | |
573 | ||
f3eb27f6 | 574 | histRAW = chi2->GetMultiplicityESD(histID)->ProjectionY("raw", 1, chi2->GetMultiplicityESD(histID)->GetNbinsX()); |
575 | histRAW->Scale(1.0 / histRAW->Integral()); | |
576 | ||
0a0f4adb | 577 | histC = chi2->GetMultiplicityESDCorrected(histID); |
578 | histB = bayesian->GetMultiplicityESDCorrected(histID); | |
579 | ||
580 | c = new TCanvas("CompareChi2Bayesian", "CompareChi2Bayesian", 800, 600); | |
581 | c->SetRightMargin(0.05); | |
582 | c->SetTopMargin(0.05); | |
583 | c->SetLogy(); | |
f3eb27f6 | 584 | c->SetGridx(); |
585 | c->SetGridy(); | |
0a0f4adb | 586 | |
587 | histC->SetTitle(";N;P(N)"); | |
588 | histC->SetStats(kFALSE); | |
589 | histC->GetXaxis()->SetRangeUser(0, 100); | |
590 | ||
591 | histC->SetLineColor(1); | |
592 | histB->SetLineColor(2); | |
f3eb27f6 | 593 | histRAW->SetLineColor(3); |
0a0f4adb | 594 | |
51f6de65 | 595 | histC->DrawCopy("HISTE"); |
596 | histB->DrawCopy("HISTE SAME"); | |
f3eb27f6 | 597 | histRAW->DrawCopy("SAME"); |
0a0f4adb | 598 | |
599 | legend = new TLegend(0.2, 0.2, 0.4, 0.4); | |
600 | legend->SetFillColor(0); | |
601 | ||
f3eb27f6 | 602 | legend->AddEntry(histC, label1); |
603 | legend->AddEntry(histB, label2); | |
604 | legend->AddEntry(histRAW, "raw ESD"); | |
0a0f4adb | 605 | |
51f6de65 | 606 | histGraph = 0; |
f3eb27f6 | 607 | if (simpleCorrect > 0) |
608 | { | |
609 | graph = new TGraph; | |
610 | graph->SetMarkerStyle(25); | |
611 | graph->SetFillColor(0); | |
612 | for (Int_t bin=1; bin<=histRAW->GetNbinsX(); bin++) | |
613 | graph->SetPoint(graph->GetN(), histRAW->GetXaxis()->GetBinCenter(bin) * simpleCorrect, histRAW->GetBinContent(bin)); | |
614 | ||
615 | graph->Draw("PSAME"); | |
616 | legend->AddEntry(graph, "weighting"); | |
617 | ||
618 | // now create histogram from graph and normalize | |
619 | histGraph = (TH1*) histRAW->Clone(); | |
620 | histGraph->Reset(); | |
621 | for (Int_t bin=1; bin<=histGraph->GetNbinsX(); bin++) | |
622 | { | |
623 | Int_t j=1; | |
624 | for (j=1; j<graph->GetN(); j++) | |
625 | if (graph->GetX()[j] > histGraph->GetXaxis()->GetBinCenter(bin)) | |
626 | break; | |
627 | if (j == graph->GetN()) | |
628 | continue; | |
629 | if (histGraph->GetXaxis()->GetBinCenter(bin) - graph->GetX()[j] < graph->GetX()[j-1] - histGraph->GetXaxis()->GetBinCenter(bin)) | |
630 | j--; | |
631 | histGraph->SetBinContent(bin, graph->GetY()[j]); | |
632 | } | |
633 | ||
634 | Printf("Integral = %f", histGraph->Integral()); | |
635 | histGraph->Scale(1.0 / histGraph->Integral()); | |
636 | ||
637 | histGraph->SetLineColor(6); | |
638 | histGraph->DrawCopy("SAME"); | |
639 | legend->AddEntry(histGraph, "weighting normalized"); | |
640 | } | |
641 | ||
642 | if (mcFile) | |
0a0f4adb | 643 | { |
644 | AliMultiplicityCorrection* mc = new AliMultiplicityCorrection(folder, folder); | |
645 | TFile::Open(mcFile); | |
646 | mc->LoadHistograms(); | |
647 | ||
648 | histMC = mc->GetMultiplicityVtx(histID)->ProjectionY("mc", 1, mc->GetMultiplicityVtx(histID)->GetNbinsX()); | |
f3eb27f6 | 649 | histMC->Sumw2(); |
0a0f4adb | 650 | histMC->Scale(1.0 / histMC->Integral()); |
651 | ||
51f6de65 | 652 | histMC->Draw("HISTE SAME"); |
0a0f4adb | 653 | histMC->SetLineColor(4); |
654 | legend->AddEntry(histMC, "MC"); | |
655 | } | |
656 | ||
657 | legend->Draw(); | |
658 | ||
f3eb27f6 | 659 | c->SaveAs(Form("%s.png", c->GetName())); |
660 | c->SaveAs(Form("%s.eps", c->GetName())); | |
661 | ||
662 | if (!mcFile) | |
663 | return; | |
664 | ||
665 | // build ratios | |
666 | ||
667 | c = new TCanvas("CompareChi2BayesianRatio", "CompareChi2BayesianRatio", 800, 600); | |
668 | c->SetRightMargin(0.05); | |
669 | c->SetTopMargin(0.05); | |
670 | c->SetGridx(); | |
671 | c->SetGridy(); | |
672 | ||
673 | for (Int_t bin=1; bin<=histC->GetNbinsX(); bin++) | |
674 | { | |
675 | if (histMC->GetBinContent(bin) > 0) | |
676 | { | |
677 | histC->SetBinContent(bin, histC->GetBinContent(bin) / histMC->GetBinContent(bin)); | |
678 | histB->SetBinContent(bin, histB->GetBinContent(bin) / histMC->GetBinContent(bin)); | |
51f6de65 | 679 | |
680 | /* | |
681 | if (histGraph) | |
682 | { | |
683 | histGraph->SetBinContent(bin, histGraph->GetBinContent(bin) / histMC->GetBinContent(bin)); | |
684 | histGraph->SetBinError(bin, 0); | |
685 | } | |
686 | */ | |
f3eb27f6 | 687 | |
688 | // TODO errors? | |
689 | histC->SetBinError(bin, 0); | |
690 | histB->SetBinError(bin, 0); | |
f3eb27f6 | 691 | } |
692 | } | |
693 | ||
694 | histC->GetYaxis()->SetRangeUser(0.5, 2); | |
695 | histC->GetYaxis()->SetTitle("Unfolded / MC"); | |
696 | ||
697 | histC->Draw("HIST"); | |
698 | histB->Draw("HIST SAME"); | |
51f6de65 | 699 | /* |
700 | if (histGraph) | |
701 | histGraph->Draw("HIST SAME"); | |
702 | */ | |
f3eb27f6 | 703 | |
704 | /* | |
705 | if (simpleCorrect > 0) | |
706 | { | |
707 | graph2 = new TGraph; | |
708 | graph2->SetMarkerStyle(25); | |
709 | graph2->SetFillColor(0); | |
710 | for (Int_t i=0; i<graph->GetN(); i++) | |
711 | { | |
712 | Float_t mcValue = histMC->GetBinContent(histMC->FindBin(graph->GetX()[i])); | |
713 | Float_t mcError = histMC->GetBinError(histMC->FindBin(graph->GetX()[i])); | |
714 | if (mcValue > 0) | |
715 | graph2->SetPoint(graph2->GetN(), graph->GetX()[i], graph->GetY()[i] / mcValue); | |
716 | } | |
717 | graph2->Draw("PSAME"); | |
718 | } | |
719 | */ | |
720 | ||
721 | c->SaveAs(Form("%s.png", c->GetName())); | |
722 | c->SaveAs(Form("%s.eps", c->GetName())); | |
723 | } | |
724 | ||
725 | ||
726 | void CompareMC(Int_t histID, Int_t eventType, const char* file1, const char* file2, const char* label1, const char* label2) | |
727 | { | |
728 | const char* folder = "Multiplicity"; | |
729 | ||
730 | loadlibs(); | |
731 | ||
732 | AliMultiplicityCorrection* mc1 = new AliMultiplicityCorrection(folder, folder); | |
733 | TFile::Open(file1); | |
734 | mc1->LoadHistograms(); | |
735 | histMC1 = mc1->GetMultiplicityMC(histID, eventType)->ProjectionY("mc1", 1, mc1->GetMultiplicityMC(histID, eventType)->GetNbinsX()); | |
736 | histMC1->Scale(1.0 / histMC1->Integral()); | |
737 | ||
738 | AliMultiplicityCorrection* mc2 = new AliMultiplicityCorrection(folder, folder); | |
739 | TFile::Open(file2); | |
740 | mc2->LoadHistograms(); | |
741 | histMC2 = mc2->GetMultiplicityMC(histID, eventType)->ProjectionY("mc2", 1, mc2->GetMultiplicityMC(histID, eventType)->GetNbinsX()); | |
742 | histMC2->Scale(1.0 / histMC2->Integral()); | |
743 | ||
744 | c = new TCanvas("CompareMC", "CompareMC", 800, 600); | |
745 | c->SetRightMargin(0.05); | |
746 | c->SetTopMargin(0.05); | |
747 | c->SetLogy(); | |
748 | ||
749 | histMC1->SetTitle(";N;P(N)"); | |
750 | histMC1->SetStats(kFALSE); | |
751 | histMC1->GetXaxis()->SetRangeUser(0, 100); | |
752 | ||
753 | histMC1->SetLineColor(1); | |
754 | histMC2->SetLineColor(2); | |
755 | ||
756 | histMC1->Draw(); | |
757 | histMC2->Draw("SAME"); | |
758 | ||
759 | legend = new TLegend(0.2, 0.2, 0.4, 0.4); | |
760 | legend->SetFillColor(0); | |
761 | ||
762 | legend->AddEntry(histMC1, label1); | |
763 | legend->AddEntry(histMC2, label2); | |
764 | ||
765 | legend->Draw(); | |
766 | ||
0a0f4adb | 767 | c->SaveAs(Form("%s.gif", c->GetName())); |
768 | c->SaveAs(Form("%s.eps", c->GetName())); | |
447c325d | 769 | } |
770 | ||
771 | void* fit2Step(const char* fileNameMC = "multiplicityMC_2M.root", const char* fileNameESD = "multiplicityMC_1M_3.root", Int_t histID = 3, Bool_t fullPhaseSpace = kFALSE) | |
772 | { | |
773 | gSystem->Load("libPWG0base"); | |
774 | ||
775 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
776 | ||
777 | TFile::Open(fileNameMC); | |
778 | mult->LoadHistograms("Multiplicity"); | |
779 | ||
780 | TFile::Open(fileNameESD); | |
781 | TH2F* hist = (TH2F*) gFile->Get(Form("Multiplicity/fMultiplicityESD%d", histID)); | |
782 | TH2F* hist2 = (TH2F*) gFile->Get(Form("Multiplicity/fMultiplicityVtx%d", ((fullPhaseSpace) ? 4 : histID))); | |
783 | //hist2 = (TH2F*) gFile->Get(Form("Multiplicity/fMultiplicityINEL%d", histID)); | |
784 | ||
785 | mult->SetMultiplicityESD(histID, hist); | |
786 | ||
787 | // small hack to get around charge conservation for full phase space ;-) | |
788 | if (fullPhaseSpace) | |
789 | { | |
790 | TH1* corr = mult->GetCorrelation(histID + 4); | |
791 | ||
792 | for (Int_t i=2; i<=corr->GetNbinsX(); i+=2) | |
793 | for (Int_t j=1; j<=corr->GetNbinsY(); ++j) | |
794 | { | |
795 | corr->SetBinContent(i, j, corr->GetBinContent(i-1, j)); | |
796 | corr->SetBinError(i, j, corr->GetBinError(i-1, j)); | |
797 | } | |
798 | } | |
799 | ||
800 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
801 | mult->ApplyMinuitFit(histID, fullPhaseSpace, AliMultiplicityCorrection::kTrVtx, kFALSE); | |
802 | mult->DrawComparison("MinuitChi2", histID, fullPhaseSpace, kTRUE, hist2->ProjectionY("mymchist")); | |
803 | ||
804 | TH1* result = (TH1*) mult->GetMultiplicityESDCorrected((fullPhaseSpace) ? 4 : histID))->Clone("firstresult"); | |
805 | ||
806 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kEntropy, 100000); | |
807 | mult->ApplyMinuitFit(histID, fullPhaseSpace, AliMultiplicityCorrection::kTrVtx, kFALSE, result); | |
808 | mult->DrawComparison("MinuitChi2_Step2", histID, fullPhaseSpace, kTRUE, hist2->ProjectionY("mymchist")); | |
0a173978 | 809 | |
810 | return mult; | |
811 | } | |
cfc19dd5 | 812 | |
813 | const char* GetRegName(Int_t type) | |
814 | { | |
815 | switch (type) | |
816 | { | |
817 | case AliMultiplicityCorrection::kNone: return "None"; break; | |
818 | case AliMultiplicityCorrection::kPol0: return "Pol0"; break; | |
819 | case AliMultiplicityCorrection::kPol1: return "Pol1"; break; | |
820 | case AliMultiplicityCorrection::kCurvature: return "TotalCurvature"; break; | |
821 | case AliMultiplicityCorrection::kEntropy: return "Reduced cross-entropy"; break; | |
0b4bfd98 | 822 | case AliMultiplicityCorrection::kLog : return "Log"; break; |
dd701109 | 823 | } |
824 | return 0; | |
825 | } | |
826 | ||
827 | const char* GetEventTypeName(Int_t type) | |
828 | { | |
829 | switch (type) | |
830 | { | |
831 | case AliMultiplicityCorrection::kTrVtx: return "trigger, vertex"; break; | |
832 | case AliMultiplicityCorrection::kMB: return "minimum bias"; break; | |
833 | case AliMultiplicityCorrection::kINEL: return "inelastic"; break; | |
cfc19dd5 | 834 | } |
835 | return 0; | |
836 | } | |
837 | ||
69b09e3b | 838 | void EvaluateBayesianMethodIterationsSmoothing(const char* fileNameMC = "multiplicityMC.root", const char* fileNameESD = "multiplicityESD.root", const char* targetDir = "bayesian", Int_t histID = 1) |
447c325d | 839 | { |
840 | gSystem->mkdir(targetDir); | |
841 | ||
842 | gSystem->Load("libPWG0base"); | |
843 | ||
844 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
845 | TFile::Open(fileNameMC); | |
846 | mult->LoadHistograms("Multiplicity"); | |
847 | ||
848 | AliMultiplicityCorrection* multESD = new AliMultiplicityCorrection("MultiplicityESD", "MultiplicityESD"); | |
849 | TFile::Open(fileNameESD); | |
850 | multESD->LoadHistograms("Multiplicity"); | |
851 | mult->SetMultiplicityESD(histID, multESD->GetMultiplicityESD(histID)); | |
852 | ||
853 | Int_t count = 0; // just to order the saved images... | |
854 | ||
855 | TFile* graphFile = TFile::Open(Form("%s/EvaluateBayesianMethodIterationsSmoothing.root", targetDir), "RECREATE"); | |
856 | ||
69b09e3b | 857 | Int_t colors[] = {1, 2, 3, 4, 6}; |
858 | Int_t markers[] = {20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 3, 4, 5, 6}; | |
0b4bfd98 | 859 | |
860 | for (AliMultiplicityCorrection::EventType type = AliMultiplicityCorrection::kTrVtx; type <= AliMultiplicityCorrection::kTrVtx; ++type) | |
861 | //for (AliMultiplicityCorrection::EventType type = AliMultiplicityCorrection::kTrVtx; type <= AliMultiplicityCorrection::kINEL; ++type) | |
447c325d | 862 | { |
863 | TString tmp; | |
864 | tmp.Form("EvaluateBayesianMethodIterationsSmoothing_%s", GetEventTypeName(type)); | |
865 | ||
866 | TCanvas* canvas = new TCanvas(tmp, tmp, 800, 600); | |
867 | ||
0f67a57c | 868 | for (Int_t i = 1; i <= 5; i++) |
447c325d | 869 | { |
69b09e3b | 870 | Int_t iterArray[5] = {2, 5, 10, 20, -1}; |
0b4bfd98 | 871 | Int_t iter = iterArray[i-1]; |
872 | ||
873 | TGraph* fitResultsMC[3]; | |
874 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) | |
875 | { | |
876 | fitResultsMC[region] = new TGraph; | |
69b09e3b | 877 | fitResultsMC[region]->SetTitle(Form("%d iterations - reg. %d", iter, region+1)); |
0b4bfd98 | 878 | fitResultsMC[region]->GetXaxis()->SetTitle("smoothing parameter #alpha"); |
879 | fitResultsMC[region]->GetYaxis()->SetTitle(Form("P_{1} in region %d", region)); | |
880 | fitResultsMC[region]->SetName(Form("%s_MC_%d", tmp.Data(), i * AliMultiplicityCorrection::kQualityRegions + region - 2)); | |
881 | fitResultsMC[region]->SetFillColor(0); | |
0f67a57c | 882 | //fitResultsMC[region]->SetMarkerStyle(markers[(i-1) * AliMultiplicityCorrection::kQualityRegions + region]); |
69b09e3b | 883 | fitResultsMC[region]->SetMarkerStyle(markers[i-1]); |
884 | fitResultsMC[region]->SetLineColor(colors[i-1]); | |
885 | fitResultsMC[region]->SetMarkerColor(colors[i-1]); | |
0b4bfd98 | 886 | } |
887 | ||
447c325d | 888 | TGraph* fitResultsRes = new TGraph; |
889 | fitResultsRes->SetTitle(Form("%d iterations", iter)); | |
890 | fitResultsRes->SetName(Form("%s_Res_%d", tmp.Data(), i)); | |
891 | fitResultsRes->GetXaxis()->SetTitle("smoothing parameter"); | |
892 | fitResultsRes->GetYaxis()->SetTitle("P_{2}"); | |
893 | ||
447c325d | 894 | fitResultsRes->SetFillColor(0); |
69b09e3b | 895 | fitResultsRes->SetMarkerStyle(markers[i-1]); |
896 | fitResultsRes->SetMarkerColor(colors[i-1]); | |
897 | fitResultsRes->SetLineColor(colors[i-1]); | |
447c325d | 898 | |
899 | for (Float_t weight = 0.0; weight < 1.01; weight += 0.2) | |
900 | { | |
901 | Float_t chi2MC = 0; | |
902 | Float_t residuals = 0; | |
903 | ||
0b4bfd98 | 904 | mult->ApplyBayesianMethod(histID, kFALSE, type, weight, iter, 0, kFALSE); |
447c325d | 905 | mult->DrawComparison(Form("%s/BayesianIterSmooth_%03d_%d_%d_%f", targetDir, count++, type, iter, weight), histID, kFALSE, kTRUE, multESD->GetMultiplicityMC(histID, type)->ProjectionY()); |
906 | mult->GetComparisonResults(&chi2MC, 0, &residuals); | |
907 | ||
0b4bfd98 | 908 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) |
909 | fitResultsMC[region]->SetPoint(fitResultsMC[region]->GetN(), weight, mult->GetQuality(region)); | |
910 | ||
447c325d | 911 | fitResultsRes->SetPoint(fitResultsRes->GetN(), weight, residuals); |
912 | } | |
913 | ||
0b4bfd98 | 914 | graphFile->cd(); |
915 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) | |
916 | fitResultsMC[region]->Write(); | |
917 | ||
447c325d | 918 | fitResultsRes->Write(); |
919 | } | |
920 | } | |
0b4bfd98 | 921 | |
922 | graphFile->Close(); | |
447c325d | 923 | } |
924 | ||
925 | void EvaluateDrawResult(const char* targetDir, Int_t type = 0, Bool_t plotRes = kTRUE) | |
926 | { | |
927 | gSystem->Load("libPWG0base"); | |
928 | ||
929 | TString name; | |
930 | TFile* graphFile = 0; | |
931 | if (type == -1) | |
932 | { | |
933 | name = "EvaluateChi2Method"; | |
934 | graphFile = TFile::Open(Form("%s/EvaluateChi2Method.root", targetDir)); | |
935 | } | |
936 | else | |
937 | { | |
938 | name.Form("EvaluateBayesianMethodIterationsSmoothing_%s", GetEventTypeName(type)); | |
939 | graphFile = TFile::Open(Form("%s/EvaluateBayesianMethodIterationsSmoothing.root", targetDir)); | |
940 | } | |
941 | ||
942 | TCanvas* canvas = new TCanvas(name, name, 800, 500); | |
943 | if (type == -1) | |
0b4bfd98 | 944 | { |
447c325d | 945 | canvas->SetLogx(); |
0b4bfd98 | 946 | canvas->SetLogy(); |
947 | } | |
948 | canvas->SetTopMargin(0.05); | |
949 | canvas->SetGridx(); | |
950 | canvas->SetGridy(); | |
447c325d | 951 | |
0b4bfd98 | 952 | TLegend* legend = new TLegend(0.8, 0.15, 0.98, 0.98); |
447c325d | 953 | legend->SetFillColor(0); |
954 | ||
955 | Int_t count = 1; | |
956 | ||
957 | Float_t xMin = 1e20; | |
958 | Float_t xMax = 0; | |
959 | ||
960 | Float_t yMin = 1e20; | |
961 | Float_t yMax = 0; | |
962 | ||
0b4bfd98 | 963 | Float_t yMinRegion[3]; |
964 | for (Int_t i=0; i<AliMultiplicityCorrection::kQualityRegions; ++i) | |
965 | yMinRegion[i] = 1e20; | |
966 | ||
447c325d | 967 | TString xaxis, yaxis; |
968 | ||
969 | while (1) | |
970 | { | |
971 | TGraph* mc = (TGraph*) graphFile->Get(Form("%s_MC_%d", name.Data(), count)); | |
972 | TGraph* res = (TGraph*) graphFile->Get(Form("%s_Res_%d", name.Data(), count)); | |
973 | ||
0b4bfd98 | 974 | if (!mc) |
447c325d | 975 | break; |
976 | ||
977 | xaxis = mc->GetXaxis()->GetTitle(); | |
978 | yaxis = mc->GetYaxis()->GetTitle(); | |
979 | ||
980 | mc->Print(); | |
447c325d | 981 | |
0b4bfd98 | 982 | if (res) |
983 | res->Print(); | |
447c325d | 984 | |
0b4bfd98 | 985 | xMin = TMath::Min(xMin, mc->GetXaxis()->GetXmin()); |
986 | yMin = TMath::Min(yMin, mc->GetYaxis()->GetXmin()); | |
447c325d | 987 | |
0b4bfd98 | 988 | xMax = TMath::Max(xMax, mc->GetXaxis()->GetXmax()); |
989 | yMax = TMath::Max(yMax, mc->GetYaxis()->GetXmax()); | |
990 | ||
991 | if (plotRes && res) | |
447c325d | 992 | { |
0b4bfd98 | 993 | xMin = TMath::Min(xMin, res->GetXaxis()->GetXmin()); |
994 | yMin = TMath::Min(yMin, res->GetYaxis()->GetXmin()); | |
447c325d | 995 | |
0b4bfd98 | 996 | xMax = TMath::Max(xMax, res->GetXaxis()->GetXmax()); |
997 | yMax = TMath::Max(yMax, res->GetYaxis()->GetXmax()); | |
447c325d | 998 | } |
0b4bfd98 | 999 | |
1000 | for (Int_t i=0; i<mc->GetN(); ++i) | |
1001 | yMinRegion[(count-1) % 3] = TMath::Min(yMinRegion[(count-1) % 3], mc->GetY()[i]); | |
1002 | ||
1003 | count++; | |
447c325d | 1004 | } |
1005 | ||
0b4bfd98 | 1006 | for (Int_t i=0; i<AliMultiplicityCorrection::kQualityRegions; ++i) |
1007 | Printf("Minimum for region %d is %f", i, yMinRegion[i]); | |
1008 | ||
447c325d | 1009 | if (type >= 0) |
1010 | { | |
1011 | xaxis = "smoothing parameter"; | |
1012 | } | |
1013 | else if (type == -1) | |
1014 | { | |
1015 | xaxis = "weight parameter"; | |
0b4bfd98 | 1016 | xMax *= 5; |
447c325d | 1017 | } |
0b4bfd98 | 1018 | //yaxis = "P_{1} (2 <= t <= 150)"; |
447c325d | 1019 | |
1020 | printf("%f %f %f %f\n", xMin, xMax, yMin, yMax); | |
1021 | ||
1022 | TGraph* dummy = new TGraph; | |
1023 | dummy->SetPoint(0, xMin, yMin); | |
1024 | dummy->SetPoint(1, xMax, yMax); | |
1025 | dummy->SetTitle(Form(";%s;%s", xaxis.Data(), yaxis.Data())); | |
1026 | ||
1027 | dummy->SetMarkerColor(0); | |
1028 | dummy->Draw("AP"); | |
0b4bfd98 | 1029 | dummy->GetYaxis()->SetMoreLogLabels(1); |
447c325d | 1030 | |
1031 | count = 1; | |
1032 | ||
1033 | while (1) | |
1034 | { | |
1035 | TGraph* mc = (TGraph*) graphFile->Get(Form("%s_MC_%d", name.Data(), count)); | |
1036 | TGraph* res = (TGraph*) graphFile->Get(Form("%s_Res_%d", name.Data(), count)); | |
1037 | ||
0b4bfd98 | 1038 | //printf("%s_MC_%d %p %p\n", name.Data(), count, mc, res); |
447c325d | 1039 | |
0b4bfd98 | 1040 | if (!mc) |
447c325d | 1041 | break; |
1042 | ||
1043 | printf("Loaded %d sucessful.\n", count); | |
1044 | ||
44466df2 | 1045 | if (type == -1) |
447c325d | 1046 | { |
44466df2 | 1047 | legend->AddEntry(mc, Form("Eq. (%d) - reg. %d", 10 + (count-1) / 3, 1+ (count-1) % 3)); |
447c325d | 1048 | } |
44466df2 | 1049 | else |
447c325d | 1050 | legend->AddEntry(mc); |
1051 | ||
1052 | mc->Draw("SAME PC"); | |
1053 | ||
0b4bfd98 | 1054 | if (plotRes && res) |
447c325d | 1055 | { |
1056 | legend->AddEntry(res); | |
1057 | res->Draw("SAME PC"); | |
1058 | } | |
1059 | ||
1060 | count++; | |
1061 | } | |
1062 | ||
1063 | legend->Draw(); | |
1064 | ||
1065 | canvas->SaveAs(Form("%s/%s.gif", targetDir, canvas->GetName())); | |
1066 | canvas->SaveAs(Form("%s/%s.eps", targetDir, canvas->GetName())); | |
1067 | } | |
1068 | ||
0f67a57c | 1069 | void EvaluateDrawResultRegions(const char* targetDir, Int_t type = 0) |
1070 | { | |
69b09e3b | 1071 | loadlibs(); |
0f67a57c | 1072 | |
1073 | TString name; | |
1074 | TFile* graphFile = 0; | |
1075 | if (type == -1) | |
1076 | { | |
1077 | name = "EvaluateChi2Method"; | |
1078 | graphFile = TFile::Open(Form("%s/EvaluateChi2Method.root", targetDir)); | |
1079 | } | |
1080 | else | |
1081 | { | |
1082 | name.Form("EvaluateBayesianMethodIterationsSmoothing_%s", GetEventTypeName(type)); | |
1083 | graphFile = TFile::Open(Form("%s/EvaluateBayesianMethodIterationsSmoothing.root", targetDir)); | |
1084 | } | |
1085 | ||
69b09e3b | 1086 | TCanvas* canvas = new TCanvas(name, name, 1200, 800); |
0f67a57c | 1087 | //canvas->Divide(1, AliMultiplicityCorrection::kQualityRegions, 0, 0); |
69b09e3b | 1088 | canvas->SetTopMargin(0); |
1089 | canvas->SetBottomMargin(0); | |
1090 | canvas->SetRightMargin(0.05); | |
0f67a57c | 1091 | canvas->Range(0, 0, 1, 1); |
1092 | ||
69b09e3b | 1093 | TPad* pad[4]; |
1094 | pad[3] = new TPad(Form("%s_pad1", name.Data()), "", 0, 0, 0.5, 0.5); pad[3]->SetTopMargin(0); pad[3]->SetBottomMargin(0.15); | |
1095 | pad[1] = new TPad(Form("%s_pad2", name.Data()), "", 0, 0.5, 0.5, 1); pad[1]->SetBottomMargin(0); | |
1096 | pad[0] = new TPad(Form("%s_pad3", name.Data()), "", 0.5, 0, 1, 0.5); pad[0]->SetTopMargin(0); pad[0]->SetBottomMargin(0.15); | |
1097 | pad[2] = new TPad(Form("%s_pad4", name.Data()), "", 0.5, 0.5, 1, 1); pad[2]->SetBottomMargin(0); | |
0f67a57c | 1098 | |
1099 | Float_t yMinRegion[3]; | |
1100 | for (Int_t i=0; i<AliMultiplicityCorrection::kQualityRegions; ++i) | |
1101 | yMinRegion[i] = 1e20; | |
1102 | ||
69b09e3b | 1103 | for (Int_t region = 0; region <= AliMultiplicityCorrection::kQualityRegions; region++) |
0f67a57c | 1104 | { |
1105 | canvas->cd(); | |
69b09e3b | 1106 | pad[region]->Draw(); |
1107 | pad[region]->cd(); | |
1108 | pad[region]->SetRightMargin(0.05); | |
1109 | ||
0f67a57c | 1110 | if (type == -1) |
1111 | { | |
69b09e3b | 1112 | pad[region]->SetLogx(); |
0f67a57c | 1113 | } |
69b09e3b | 1114 | pad[region]->SetLogy(); |
1115 | ||
1116 | pad[region]->SetGridx(); | |
1117 | pad[region]->SetGridy(); | |
0f67a57c | 1118 | |
69b09e3b | 1119 | TLegend* legend = new TLegend(0.5, 0.4, 0.85, 0.85); |
0f67a57c | 1120 | legend->SetFillColor(0); |
69b09e3b | 1121 | //legend->SetNColumns(3); |
1122 | legend->SetTextSize(0.06); | |
0f67a57c | 1123 | Int_t count = 0; |
1124 | ||
1125 | Float_t xMin = 1e20; | |
1126 | Float_t xMax = 0; | |
1127 | ||
1128 | Float_t yMin = 1e20; | |
1129 | Float_t yMax = 0; | |
1130 | ||
1131 | TString xaxis, yaxis; | |
1132 | ||
1133 | while (1) | |
1134 | { | |
1135 | count++; | |
1136 | ||
69b09e3b | 1137 | if (region > 0) |
1138 | { | |
1139 | TGraph* mc = (TGraph*) graphFile->Get(Form("%s_MC_%d", name.Data(), count)); | |
1140 | if (!mc) | |
1141 | break; | |
1142 | ||
1143 | if (TString(mc->GetTitle()).Contains(Form("reg. %d", region)) == kFALSE) | |
1144 | continue; | |
1145 | ||
1146 | for (Int_t i=0; i<mc->GetN(); ++i) | |
1147 | yMinRegion[(count-1) % 3] = TMath::Min(yMinRegion[(count-1) % 3], mc->GetY()[i]); | |
1148 | } | |
1149 | else | |
1150 | { | |
1151 | TGraph* mc = (TGraph*) graphFile->Get(Form("%s_Res_%d", name.Data(), count)); | |
1152 | if (!mc) | |
1153 | break; | |
1154 | } | |
0f67a57c | 1155 | |
1156 | xaxis = mc->GetXaxis()->GetTitle(); | |
1157 | yaxis = mc->GetYaxis()->GetTitle(); | |
1158 | ||
69b09e3b | 1159 | //mc->Print(); |
0f67a57c | 1160 | |
1161 | xMin = TMath::Min(xMin, mc->GetXaxis()->GetXmin()); | |
69b09e3b | 1162 | yMin = TMath::Min(yMin, TMath::MinElement(mc->GetN(), mc->GetY())); |
0f67a57c | 1163 | |
1164 | xMax = TMath::Max(xMax, mc->GetXaxis()->GetXmax()); | |
1165 | yMax = TMath::Max(yMax, mc->GetYaxis()->GetXmax()); | |
69b09e3b | 1166 | |
1167 | //Printf("%f %f %f %f", xMin, xMax, yMin, yMax); | |
0f67a57c | 1168 | } |
1169 | ||
1170 | if (type >= 0) | |
1171 | { | |
69b09e3b | 1172 | xaxis = "Smoothing parameter #alpha"; |
0f67a57c | 1173 | } |
1174 | else if (type == -1) | |
1175 | { | |
69b09e3b | 1176 | xaxis = "Weight parameter #beta"; |
1177 | //xMax *= 5; | |
1178 | } | |
1179 | if (region > 0) | |
1180 | { | |
1181 | yaxis = Form("Q_{1} in region %d ", region); // (2 <= t <= 150)"; | |
0f67a57c | 1182 | } |
69b09e3b | 1183 | else |
1184 | yaxis = "Q_{2} "; | |
0f67a57c | 1185 | |
1186 | printf("%f %f %f %f\n", xMin, xMax, yMin, yMax); | |
1187 | ||
69b09e3b | 1188 | if (region > 0) |
1189 | { | |
1190 | if (type == -1) | |
1191 | { | |
1192 | yMin = 0.534622; | |
1193 | yMax = 19.228941; | |
1194 | } | |
1195 | else | |
1196 | { | |
1197 | yMin = 0.759109; | |
1198 | yMax = 10; | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | if (type != -1) | |
1203 | xMax = 1.0; | |
1204 | ||
1205 | TH1* dummy = new TH2F("dummy", "dummy", 100, xMin, xMax, 100, yMin * 0.9, yMax * 1.1); | |
0f67a57c | 1206 | dummy->SetTitle(Form(";%s;%s", xaxis.Data(), yaxis.Data())); |
1207 | ||
69b09e3b | 1208 | if (region == 0 && type != -1) |
1209 | dummy->GetYaxis()->SetMoreLogLabels(1); | |
1210 | dummy->SetLabelSize(0.06, "xy"); | |
1211 | dummy->SetTitleSize(0.06, "xy"); | |
1212 | dummy->GetXaxis()->SetTitleOffset(1.2); | |
1213 | dummy->GetYaxis()->SetTitleOffset(0.8); | |
1214 | dummy->SetStats(0); | |
1215 | ||
1216 | dummy->DrawCopy(); | |
1217 | ||
0f67a57c | 1218 | |
1219 | count = 0; | |
1220 | ||
1221 | while (1) | |
1222 | { | |
1223 | count++; | |
1224 | ||
69b09e3b | 1225 | if (region > 0) |
1226 | { | |
1227 | TGraph* mc = (TGraph*) graphFile->Get(Form("%s_MC_%d", name.Data(), count)); | |
1228 | if (mc && TString(mc->GetTitle()).Contains(Form("reg. %d", region)) == kFALSE) | |
1229 | continue; | |
1230 | } | |
1231 | else | |
1232 | TGraph* mc = (TGraph*) graphFile->Get(Form("%s_Res_%d", name.Data(), count)); | |
1233 | ||
0f67a57c | 1234 | if (!mc) |
1235 | break; | |
69b09e3b | 1236 | //printf("Loaded %d sucessful.\n", count); |
0f67a57c | 1237 | |
1238 | if (type == -1) | |
1239 | { | |
69b09e3b | 1240 | //legend->AddEntry(mc, Form("Eq. (%d) - reg. %d", 10 + (count-1) / 3, 1+ (count-1) % 3)); |
1241 | //legend->AddEntry(mc, Form("Eq. (7.%d)", 11 + (count-1) / 3)); | |
1242 | const char* names[] = { "Const", "Linear", "Log" }; | |
1243 | legend->AddEntry(mc, names[(count-1) / 3], "PL"); | |
0f67a57c | 1244 | } |
1245 | else | |
69b09e3b | 1246 | { |
1247 | TString label(mc->GetTitle()); | |
1248 | TString newLabel(label(0, label.Index(" "))); | |
1249 | //Printf("%s", newLabel.Data()); | |
1250 | if (newLabel.Atoi() == -1) | |
1251 | { | |
1252 | newLabel = "Convergence"; | |
1253 | } | |
1254 | else | |
1255 | newLabel = label(0, label.Index("iterations") + 10); | |
1256 | ||
1257 | legend->AddEntry(mc, newLabel, "PL"); | |
1258 | } | |
0f67a57c | 1259 | |
1260 | mc->Draw("SAME PC"); | |
1261 | ||
69b09e3b | 1262 | } |
0f67a57c | 1263 | |
69b09e3b | 1264 | if (region == 2) |
1265 | legend->Draw(); | |
0f67a57c | 1266 | } |
1267 | ||
1268 | for (Int_t i=0; i<AliMultiplicityCorrection::kQualityRegions; ++i) | |
1269 | Printf("Minimum for region %d is %f", i, yMinRegion[i]); | |
1270 | ||
1271 | canvas->Modified(); | |
1272 | canvas->SaveAs(Form("%s/%s.gif", targetDir, canvas->GetName())); | |
1273 | canvas->SaveAs(Form("%s/%s.eps", targetDir, canvas->GetName())); | |
1274 | } | |
1275 | ||
69b09e3b | 1276 | void EvaluateChi2Method(const char* fileNameMC = "multiplicityMC.root", const char* fileNameESD = "multiplicityESD.root", const char* targetDir = "chi2compare", Int_t histID = 1) |
dd701109 | 1277 | { |
1278 | gSystem->mkdir(targetDir); | |
1279 | ||
cfc19dd5 | 1280 | gSystem->Load("libPWG0base"); |
1281 | ||
1282 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1283 | ||
1284 | TFile::Open(fileNameMC); | |
1285 | mult->LoadHistograms("Multiplicity"); | |
1286 | ||
1287 | TFile::Open(fileNameESD); | |
1288 | TH2F* hist = (TH2F*) gFile->Get(Form("Multiplicity/fMultiplicityESD%d", histID)); | |
1289 | TH2F* hist2 = (TH2F*) gFile->Get(Form("Multiplicity/fMultiplicityVtx%d", histID)); | |
1290 | ||
1291 | mult->SetMultiplicityESD(histID, hist); | |
1292 | ||
dd701109 | 1293 | Int_t count = 0; // just to order the saved images... |
69b09e3b | 1294 | Int_t colors[] = {1, 2, 4, 3}; |
1295 | Int_t markers[] = {20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 3}; | |
dd701109 | 1296 | |
447c325d | 1297 | TGraph* fitResultsRes = 0; |
1298 | ||
1299 | TFile* graphFile = TFile::Open(Form("%s/EvaluateChi2Method.root", targetDir), "RECREATE"); | |
cfc19dd5 | 1300 | |
69b09e3b | 1301 | //for (AliMultiplicityCorrection::RegularizationType type = AliMultiplicityCorrection::kPol0; type <= AliMultiplicityCorrection::kLog; ++type) |
1302 | //for (AliMultiplicityCorrection::RegularizationType type = AliMultiplicityCorrection::kEntropy; type <= AliMultiplicityCorrection::kEntropy; ++type) | |
1303 | for (AliMultiplicityCorrection::RegularizationType type = AliMultiplicityCorrection::kPol1; type <= AliMultiplicityCorrection::kPol1; ++type) | |
cfc19dd5 | 1304 | { |
0b4bfd98 | 1305 | TGraph* fitResultsMC[3]; |
1306 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) | |
1307 | { | |
1308 | fitResultsMC[region] = new TGraph; | |
44466df2 | 1309 | fitResultsMC[region]->SetTitle(Form("Eq. (%d) - reg. %d", type+9, region+1)); |
0b4bfd98 | 1310 | fitResultsMC[region]->GetXaxis()->SetTitle("weight parameter #alpha"); |
1311 | fitResultsMC[region]->GetYaxis()->SetTitle(Form("P_{1} in region %d", region)); | |
1312 | fitResultsMC[region]->SetName(Form("EvaluateChi2Method_MC_%d", type * AliMultiplicityCorrection::kQualityRegions + region - 2)); | |
1313 | fitResultsMC[region]->SetFillColor(0); | |
69b09e3b | 1314 | //fitResultsMC[region]->SetMarkerStyle(markers[(type-1) * AliMultiplicityCorrection::kQualityRegions + region]); |
1315 | //fitResultsMC[region]->SetLineColor(colors[region]); | |
1316 | fitResultsMC[region]->SetMarkerStyle(markers[type-1]); | |
1317 | fitResultsMC[region]->SetMarkerColor(colors[type-1]); | |
1318 | fitResultsMC[region]->SetLineColor(colors[type-1]); | |
0b4bfd98 | 1319 | } |
1320 | ||
447c325d | 1321 | fitResultsRes = new TGraph; |
1322 | fitResultsRes->SetTitle(Form("%s residual chi2", GetRegName(type))); | |
1323 | fitResultsRes->SetName(Form("EvaluateChi2Method_Res_%d", type)); | |
1324 | fitResultsRes->GetXaxis()->SetTitle("Weight Parameter"); | |
cfc19dd5 | 1325 | |
cfc19dd5 | 1326 | fitResultsRes->SetFillColor(0); |
69b09e3b | 1327 | fitResultsRes->SetMarkerStyle(markers[type-1]); |
1328 | fitResultsRes->SetMarkerColor(colors[type-1]); | |
1329 | fitResultsRes->SetLineColor(colors[type-1]); | |
cfc19dd5 | 1330 | |
69b09e3b | 1331 | for (Int_t i=0; i<15; ++i) |
447c325d | 1332 | { |
69b09e3b | 1333 | Float_t weight = TMath::Power(TMath::Sqrt(10), i+1); |
447c325d | 1334 | //Float_t weight = TMath::Power(10, i+2); |
cfc19dd5 | 1335 | |
447c325d | 1336 | //if (type == AliMultiplicityCorrection::kEntropy) weight = 1e4 * (i+1) * 1.5; |
cfc19dd5 | 1337 | |
cfc19dd5 | 1338 | Float_t chi2MC = 0; |
1339 | Float_t residuals = 0; | |
447c325d | 1340 | Float_t chi2Limit = 0; |
1341 | ||
1342 | TString runName; | |
1343 | runName.Form("MinuitChi2_%02d_%d_%f", count++, type, weight); | |
cfc19dd5 | 1344 | |
1345 | mult->SetRegularizationParameters(type, weight); | |
447c325d | 1346 | Int_t status = mult->ApplyMinuitFit(histID, kFALSE, AliMultiplicityCorrection::kTrVtx); |
69b09e3b | 1347 | mult->DrawComparison(Form("%s/%s", targetDir, runName.Data()), histID, kFALSE, kTRUE, hist2->ProjectionY("mymc", 1, hist2->GetNbinsX())); |
447c325d | 1348 | if (status != 0) |
1349 | { | |
1350 | printf("MINUIT did not succeed. Skipping...\n"); | |
1351 | continue; | |
1352 | } | |
1353 | ||
dd701109 | 1354 | mult->GetComparisonResults(&chi2MC, 0, &residuals); |
447c325d | 1355 | TH1* result = mult->GetMultiplicityESDCorrected(histID); |
1356 | result->SetName(runName); | |
1357 | result->Write(); | |
cfc19dd5 | 1358 | |
0b4bfd98 | 1359 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) |
1360 | fitResultsMC[region]->SetPoint(fitResultsMC[region]->GetN(), weight, mult->GetQuality(region)); | |
1361 | ||
cfc19dd5 | 1362 | fitResultsRes->SetPoint(fitResultsRes->GetN(), weight, residuals); |
cfc19dd5 | 1363 | } |
1364 | ||
447c325d | 1365 | graphFile->cd(); |
0b4bfd98 | 1366 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) |
1367 | fitResultsMC[region]->Write(); | |
447c325d | 1368 | fitResultsRes->Write(); |
cfc19dd5 | 1369 | } |
1370 | ||
447c325d | 1371 | graphFile->Close(); |
dd701109 | 1372 | } |
1373 | ||
1374 | void EvaluateChi2MethodAll() | |
1375 | { | |
1376 | EvaluateChi2Method("multiplicityMC_3M.root", "multiplicityMC_3M.root", "eval-3M-3M"); | |
1377 | EvaluateChi2Method("multiplicityMC_2M.root", "multiplicityMC_1M_3.root", "eval-2M-1M"); | |
1378 | EvaluateChi2Method("multiplicityMC_3M.root", "multiplicityMC_3M_NBD.root", "eval-3M-NBD"); | |
1379 | EvaluateChi2Method("multiplicityMC_2M_smoothed.root", "multiplicityMC_1M_3.root", "eval-2MS-1M"); | |
1380 | EvaluateChi2Method("multiplicityMC_2M_smoothed.root", "multiplicityMC_3M_NBD.root", "eval-2MS-NBD"); | |
1381 | } | |
1382 | ||
1383 | void EvaluateBayesianMethodAll() | |
1384 | { | |
1385 | EvaluateBayesianMethod("multiplicityMC_3M.root", "multiplicityMC_3M.root", "eval-3M-3M"); | |
1386 | EvaluateBayesianMethod("multiplicityMC_2M.root", "multiplicityMC_1M_3.root", "eval-2M-1M"); | |
1387 | EvaluateBayesianMethod("multiplicityMC_3M.root", "multiplicityMC_3M_NBD.root", "eval-3M-NBD"); | |
1388 | EvaluateBayesianMethod("multiplicityMC_2M_smoothed.root", "multiplicityMC_1M_3.root", "eval-2MS-1M"); | |
1389 | EvaluateBayesianMethod("multiplicityMC_2M_smoothed.root", "multiplicityMC_3M_NBD.root", "eval-2MS-NBD"); | |
1390 | } | |
1391 | ||
447c325d | 1392 | void CompareMethods(const char* fileNameMC = "multiplicityMC.root", const char* fileNameESD = "multiplicityMC.root", const char* targetDir, Int_t histID = 3) |
dd701109 | 1393 | { |
1394 | gSystem->mkdir(targetDir); | |
1395 | ||
1396 | gSystem->Load("libPWG0base"); | |
1397 | ||
1398 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1399 | ||
1400 | TFile::Open(fileNameMC); | |
1401 | mult->LoadHistograms("Multiplicity"); | |
1402 | ||
1403 | TFile::Open(fileNameESD); | |
1404 | AliMultiplicityCorrection* multESD = new AliMultiplicityCorrection("MultiplicityESD", "MultiplicityESD"); | |
1405 | multESD->LoadHistograms("Multiplicity"); | |
1406 | ||
1407 | mult->SetMultiplicityESD(histID, multESD->GetMultiplicityESD(histID)); | |
1408 | ||
447c325d | 1409 | TCanvas* canvas = new TCanvas("CompareMethods", "CompareMethods", 1200, 1200); |
1410 | canvas->Divide(3, 3); | |
dd701109 | 1411 | |
1412 | Int_t count = 0; | |
1413 | ||
447c325d | 1414 | for (AliMultiplicityCorrection::EventType type = AliMultiplicityCorrection::kTrVtx; type <= AliMultiplicityCorrection::kTrVtx; ++type) |
dd701109 | 1415 | { |
447c325d | 1416 | TH1* mc = multESD->GetMultiplicityMC(histID, type)->ProjectionY("mymc"); |
1417 | mc->Sumw2(); | |
dd701109 | 1418 | |
447c325d | 1419 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); |
dd701109 | 1420 | mult->ApplyMinuitFit(histID, kFALSE, type); |
1421 | mult->DrawComparison(Form("%s/CompareMethods_%d_MinuitChi2", targetDir, type), histID, kFALSE, kTRUE, mc); | |
1422 | TH1* chi2Result = (TH1*) mult->GetMultiplicityESDCorrected(histID)->Clone("chi2Result"); | |
1423 | ||
1424 | mult->ApplyBayesianMethod(histID, kFALSE, type, 0.1); | |
1425 | mult->DrawComparison(Form("%s/CompareMethods_%d_Bayesian", targetDir, type), histID, kFALSE, kTRUE, mc); | |
1426 | TH1* bayesResult = (TH1*) mult->GetMultiplicityESDCorrected(histID)->Clone("bayesResult"); | |
1427 | ||
1428 | mc->GetXaxis()->SetRangeUser(0, 150); | |
1429 | chi2Result->GetXaxis()->SetRangeUser(0, 150); | |
1430 | ||
447c325d | 1431 | /* // skip errors for now |
dd701109 | 1432 | for (Int_t i=1; i<=chi2Result->GetNbinsX(); ++i) |
1433 | { | |
1434 | chi2Result->SetBinError(i, 0); | |
1435 | bayesResult->SetBinError(i, 0); | |
447c325d | 1436 | }*/ |
dd701109 | 1437 | |
1438 | canvas->cd(++count); | |
1439 | mc->SetFillColor(kYellow); | |
1440 | mc->DrawCopy(); | |
1441 | chi2Result->SetLineColor(kRed); | |
1442 | chi2Result->DrawCopy("SAME"); | |
1443 | bayesResult->SetLineColor(kBlue); | |
1444 | bayesResult->DrawCopy("SAME"); | |
1445 | gPad->SetLogy(); | |
1446 | ||
1447 | canvas->cd(count + 3); | |
447c325d | 1448 | chi2ResultRatio = (TH1*) chi2Result->Clone("chi2ResultRatio"); |
1449 | bayesResultRatio = (TH1*) bayesResult->Clone("bayesResultRatio"); | |
1450 | chi2ResultRatio->Divide(chi2Result, mc, 1, 1, ""); | |
1451 | bayesResultRatio->Divide(bayesResult, mc, 1, 1, ""); | |
dd701109 | 1452 | |
447c325d | 1453 | chi2ResultRatio->GetYaxis()->SetRangeUser(0.5, 1.5); |
dd701109 | 1454 | |
447c325d | 1455 | chi2ResultRatio->DrawCopy("HIST"); |
1456 | bayesResultRatio->DrawCopy("SAME HIST"); | |
dd701109 | 1457 | |
447c325d | 1458 | canvas->cd(count + 6); |
1459 | chi2Result->Divide(chi2Result, bayesResult, 1, 1, ""); | |
1460 | chi2Result->GetYaxis()->SetRangeUser(0.5, 1.5); | |
1461 | chi2Result->DrawCopy("HIST"); | |
dd701109 | 1462 | } |
1463 | ||
1464 | canvas->SaveAs(Form("%s/%s.gif", targetDir, canvas->GetName())); | |
1465 | canvas->SaveAs(Form("%s/%s.C", targetDir, canvas->GetName())); | |
1466 | } | |
1467 | ||
447c325d | 1468 | void StatisticsPlot(const char* fileNameMC = "multiplicityMC_2M.root", Int_t histID = 3) |
dd701109 | 1469 | { |
1470 | gSystem->Load("libPWG0base"); | |
1471 | ||
1472 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1473 | ||
1474 | TFile::Open(fileNameMC); | |
1475 | mult->LoadHistograms("Multiplicity"); | |
1476 | ||
447c325d | 1477 | const char* files[] = { "multiplicityMC_100k_1.root", "multiplicityMC_200k.root", "multiplicityMC_400k.root", "multiplicityMC_600k.root", "multiplicityMC_800k.root" }; |
dd701109 | 1478 | |
0b4bfd98 | 1479 | TGraph* fitResultsChi2[3]; |
1480 | TGraph* fitResultsBayes[3]; | |
1481 | ||
1482 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) | |
1483 | { | |
1484 | fitResultsChi2[region] = new TGraph; | |
1485 | fitResultsChi2[region]->SetTitle(";Nevents;Chi2"); | |
1486 | fitResultsChi2[region]->SetName(Form("fitResultsChi2_%d", region)); | |
1487 | fitResultsChi2[region]->SetMarkerStyle(20+region); | |
1488 | ||
1489 | fitResultsBayes[region] = new TGraph; | |
1490 | fitResultsBayes[region]->SetTitle(";Nevents;Chi2"); | |
1491 | fitResultsBayes[region]->SetName(Form("fitResultsBayes_%d", region)); | |
1492 | fitResultsBayes[region]->SetMarkerStyle(20+region); | |
1493 | fitResultsBayes[region]->SetMarkerColor(2); | |
1494 | } | |
1495 | ||
447c325d | 1496 | TGraph* fitResultsChi2Limit = new TGraph; fitResultsChi2Limit->SetTitle(";Nevents;Multiplicity reach"); |
1497 | TGraph* fitResultsBayesLimit = new TGraph; fitResultsBayesLimit->SetTitle(";Nevents;Multiplicity reach"); | |
0b4bfd98 | 1498 | TGraph* fitResultsChi2Res = new TGraph; fitResultsChi2Res->SetTitle(";Nevents;Chi2"); |
1499 | TGraph* fitResultsBayesRes = new TGraph; fitResultsBayesRes->SetTitle(";Nevents;Chi2"); | |
447c325d | 1500 | |
447c325d | 1501 | fitResultsChi2Limit->SetName("fitResultsChi2Limit"); |
1502 | fitResultsBayesLimit->SetName("fitResultsBayesLimit"); | |
0b4bfd98 | 1503 | fitResultsChi2Res->SetName("fitResultsChi2Res"); |
1504 | fitResultsBayesRes->SetName("fitResultsBayesRes"); | |
dd701109 | 1505 | |
1506 | TCanvas* canvas = new TCanvas("StatisticsPlot", "StatisticsPlot", 1200, 600); | |
1507 | canvas->Divide(5, 2); | |
1508 | ||
1509 | Float_t min = 1e10; | |
1510 | Float_t max = 0; | |
1511 | ||
447c325d | 1512 | TFile* file = TFile::Open("StatisticsPlot.root", "RECREATE"); |
1513 | file->Close(); | |
1514 | ||
dd701109 | 1515 | for (Int_t i=0; i<5; ++i) |
1516 | { | |
1517 | TFile::Open(files[i]); | |
1518 | AliMultiplicityCorrection* multESD = new AliMultiplicityCorrection("MultiplicityESD", "MultiplicityESD"); | |
1519 | multESD->LoadHistograms("Multiplicity"); | |
1520 | ||
1521 | mult->SetMultiplicityESD(histID, multESD->GetMultiplicityESD(histID)); | |
1522 | Int_t nEntries = multESD->GetMultiplicityESD(histID)->GetEntries(); | |
447c325d | 1523 | TH1* mc = multESD->GetMultiplicityMC(histID, AliMultiplicityCorrection::kTrVtx)->ProjectionY(Form("mc_%d", i)); |
dd701109 | 1524 | |
447c325d | 1525 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); |
dd701109 | 1526 | mult->ApplyMinuitFit(histID, kFALSE, AliMultiplicityCorrection::kTrVtx); |
1527 | mult->DrawComparison(Form("StatisticsPlot_%d_MinuitChi2", i), histID, kFALSE, kTRUE, mc); | |
1528 | ||
dd701109 | 1529 | Int_t chi2MCLimit = 0; |
0b4bfd98 | 1530 | Float_t chi2Residuals = 0; |
1531 | mult->GetComparisonResults(0, &chi2MCLimit, &chi2Residuals); | |
1532 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) | |
1533 | { | |
1534 | fitResultsChi2[region]->SetPoint(fitResultsChi2[region]->GetN(), nEntries, mult->GetQuality(region)); | |
1535 | min = TMath::Min(min, mult->GetQuality(region)); | |
1536 | max = TMath::Max(max, mult->GetQuality(region)); | |
1537 | } | |
dd701109 | 1538 | fitResultsChi2Limit->SetPoint(fitResultsChi2Limit->GetN(), nEntries, chi2MCLimit); |
0b4bfd98 | 1539 | fitResultsChi2Res->SetPoint(fitResultsChi2Res->GetN(), nEntries, chi2Residuals); |
dd701109 | 1540 | |
447c325d | 1541 | TH1* chi2Result = (TH1*) mult->GetMultiplicityESDCorrected(histID)->Clone(Form("chi2Result_%d", i)); |
dd701109 | 1542 | |
0b4bfd98 | 1543 | mult->ApplyBayesianMethod(histID, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100, 0, kFALSE); |
dd701109 | 1544 | mult->DrawComparison(Form("StatisticsPlot_%d_Bayesian", i), histID, kFALSE, kTRUE, mc); |
447c325d | 1545 | TH1* bayesResult = (TH1*) mult->GetMultiplicityESDCorrected(histID)->Clone(Form("bayesResult_%d", i)); |
0b4bfd98 | 1546 | mult->GetComparisonResults(0, &chi2MCLimit, &chi2Residuals); |
1547 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) | |
1548 | { | |
1549 | fitResultsBayes[region]->SetPoint(fitResultsBayes[region]->GetN(), nEntries, mult->GetQuality(region)); | |
1550 | min = TMath::Min(min, mult->GetQuality(region)); | |
1551 | max = TMath::Max(max, mult->GetQuality(region)); | |
1552 | } | |
dd701109 | 1553 | fitResultsBayesLimit->SetPoint(fitResultsBayesLimit->GetN(), nEntries, chi2MCLimit); |
0b4bfd98 | 1554 | fitResultsBayesRes->SetPoint(fitResultsBayesRes->GetN(), nEntries, chi2Residuals); |
dd701109 | 1555 | |
dd701109 | 1556 | mc->GetXaxis()->SetRangeUser(0, 150); |
1557 | chi2Result->GetXaxis()->SetRangeUser(0, 150); | |
1558 | ||
1559 | // skip errors for now | |
1560 | for (Int_t j=0; j<=chi2Result->GetNbinsX(); ++j) | |
1561 | { | |
1562 | chi2Result->SetBinError(j, 0); | |
1563 | bayesResult->SetBinError(j, 0); | |
1564 | } | |
1565 | ||
1566 | canvas->cd(i+1); | |
1567 | mc->SetFillColor(kYellow); | |
1568 | mc->DrawCopy(); | |
1569 | chi2Result->SetLineColor(kRed); | |
1570 | chi2Result->DrawCopy("SAME"); | |
1571 | bayesResult->SetLineColor(kBlue); | |
1572 | bayesResult->DrawCopy("SAME"); | |
1573 | gPad->SetLogy(); | |
1574 | ||
1575 | canvas->cd(i+6); | |
1576 | chi2Result->Divide(chi2Result, mc, 1, 1, "B"); | |
1577 | bayesResult->Divide(bayesResult, mc, 1, 1, "B"); | |
1578 | ||
1579 | // skip errors for now | |
1580 | for (Int_t j=0; j<=chi2Result->GetNbinsX(); ++j) | |
1581 | { | |
1582 | chi2Result->SetBinError(j, 0); | |
1583 | bayesResult->SetBinError(j, 0); | |
1584 | } | |
1585 | ||
1586 | chi2Result->SetTitle("Ratios;Npart;unfolded measured/MC"); | |
1587 | chi2Result->GetYaxis()->SetRangeUser(0.5, 1.5); | |
1588 | ||
1589 | chi2Result->DrawCopy(""); | |
1590 | bayesResult->DrawCopy("SAME"); | |
447c325d | 1591 | |
1592 | TFile* file = TFile::Open("StatisticsPlot.root", "UPDATE"); | |
1593 | mc->Write(); | |
1594 | chi2Result->Write(); | |
1595 | bayesResult->Write(); | |
1596 | file->Close(); | |
dd701109 | 1597 | } |
1598 | ||
1599 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); | |
1600 | canvas->SaveAs(Form("%s.C", canvas->GetName())); | |
1601 | ||
1602 | TCanvas* canvas2 = new TCanvas("StatisticsPlot2", "StatisticsPlot2", 800, 400); | |
1603 | canvas2->Divide(2, 1); | |
1604 | ||
1605 | canvas2->cd(1); | |
dd701109 | 1606 | |
0b4bfd98 | 1607 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) |
1608 | { | |
1609 | fitResultsChi2[region]->GetYaxis()->SetRangeUser(0.5 * min, 1.5 * max); | |
1610 | fitResultsChi2[region]->Draw(((region == 0) ? "AP" : "P SAME")); | |
1611 | ||
1612 | fitResultsBayes[region]->Draw("P SAME"); | |
1613 | } | |
dd701109 | 1614 | |
1615 | gPad->SetLogy(); | |
1616 | ||
1617 | canvas2->cd(2); | |
1618 | fitResultsChi2Limit->SetMarkerStyle(20); | |
1619 | fitResultsChi2Limit->GetYaxis()->SetRangeUser(0.9 * TMath::Min(fitResultsChi2Limit->GetYaxis()->GetXmin(), fitResultsBayesLimit->GetYaxis()->GetXmin()), 1.1 * TMath::Max(fitResultsChi2Limit->GetYaxis()->GetXmax(), fitResultsBayesLimit->GetYaxis()->GetXmax())); | |
1620 | fitResultsChi2Limit->Draw("AP"); | |
1621 | ||
1622 | fitResultsBayesLimit->SetMarkerStyle(3); | |
1623 | fitResultsBayesLimit->SetMarkerColor(2); | |
1624 | fitResultsBayesLimit->Draw("P SAME"); | |
1625 | ||
1626 | canvas2->SaveAs(Form("%s.gif", canvas2->GetName())); | |
1627 | canvas2->SaveAs(Form("%s.C", canvas2->GetName())); | |
447c325d | 1628 | |
1629 | TFile* file = TFile::Open("StatisticsPlot.root", "UPDATE"); | |
0b4bfd98 | 1630 | |
1631 | for (Int_t region=0; region<AliMultiplicityCorrection::kQualityRegions; ++region) | |
1632 | { | |
1633 | fitResultsChi2[region]->Write(); | |
1634 | fitResultsBayes[region]->Write(); | |
1635 | } | |
447c325d | 1636 | fitResultsChi2Limit->Write(); |
1637 | fitResultsBayesLimit->Write(); | |
0b4bfd98 | 1638 | fitResultsChi2Res->Write(); |
1639 | fitResultsBayesRes->Write(); | |
447c325d | 1640 | file->Close(); |
dd701109 | 1641 | } |
1642 | ||
69b09e3b | 1643 | void StartingConditions(const char* fileNameMC = "multiplicityMC.root", Int_t histID = 1) |
dd701109 | 1644 | { |
69b09e3b | 1645 | loadlibs(); |
dd701109 | 1646 | |
1647 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1648 | ||
1649 | TFile::Open(fileNameMC); | |
1650 | mult->LoadHistograms("Multiplicity"); | |
1651 | ||
69b09e3b | 1652 | const char* files[] = { "multiplicityESD.root", "multiplicityESD_100k_1.root", "multiplicityESD_100k_2.root", "multiplicityESD_100k_1.root", "multiplicityESD_100k_2.root" } |
dd701109 | 1653 | |
1654 | // this one we try to unfold | |
1655 | TFile::Open(files[0]); | |
1656 | AliMultiplicityCorrection* multESD = new AliMultiplicityCorrection("MultiplicityESD", "MultiplicityESD"); | |
1657 | multESD->LoadHistograms("Multiplicity"); | |
1658 | mult->SetMultiplicityESD(histID, multESD->GetMultiplicityESD(histID)); | |
69b09e3b | 1659 | TH1* mc = multESD->GetMultiplicityMC(histID, AliMultiplicityCorrection::kTrVtx)->ProjectionY("mc", 1, 1); |
dd701109 | 1660 | |
1661 | TGraph* fitResultsChi2 = new TGraph; | |
1662 | fitResultsChi2->SetTitle(";Input Dist ID;Chi2"); | |
1663 | TGraph* fitResultsBayes = new TGraph; | |
1664 | fitResultsBayes->SetTitle(";Input Dist ID;Chi2"); | |
1665 | TGraph* fitResultsChi2Limit = new TGraph; | |
1666 | fitResultsChi2Limit->SetTitle(";Input Dist ID;Multiplicity reach"); | |
1667 | TGraph* fitResultsBayesLimit = new TGraph; | |
1668 | fitResultsBayesLimit->SetTitle(";Input Dist ID;Multiplicity reach"); | |
1669 | ||
1670 | TCanvas* canvas = new TCanvas("StartingConditions", "StartingConditions", 1200, 600); | |
1671 | canvas->Divide(8, 2); | |
1672 | ||
1673 | TCanvas* canvas3 = new TCanvas("StartingConditions3", "StartingConditions3", 1000, 400); | |
1674 | canvas3->Divide(2, 1); | |
1675 | ||
1676 | Float_t min = 1e10; | |
1677 | Float_t max = 0; | |
1678 | ||
1679 | TH1* firstChi = 0; | |
1680 | TH1* firstBayesian = 0; | |
1681 | TH1* startCond = multESD->GetMultiplicityESD(histID)->ProjectionY("startCond"); | |
1682 | ||
1683 | TLegend* legend = new TLegend(0.7, 0.7, 1, 1); | |
1684 | ||
447c325d | 1685 | TFile* file = TFile::Open("StartingConditions.root", "RECREATE"); |
1686 | mc->Write(); | |
1687 | file->Close(); | |
1688 | ||
dd701109 | 1689 | for (Int_t i=0; i<8; ++i) |
1690 | { | |
1691 | if (i == 0) | |
1692 | { | |
1693 | startCond = (TH1*) mc->Clone("startCond2"); | |
1694 | } | |
1695 | else if (i < 6) | |
1696 | { | |
1697 | TFile::Open(files[i-1]); | |
1698 | AliMultiplicityCorrection* multESD2 = new AliMultiplicityCorrection("MultiplicityESD2", "MultiplicityESD2"); | |
1699 | multESD2->LoadHistograms("Multiplicity"); | |
1700 | startCond = multESD2->GetMultiplicityESD(histID)->ProjectionY("startCond"); | |
1701 | } | |
1702 | else if (i == 6) | |
1703 | { | |
69b09e3b | 1704 | func = new TF1("nbd", "exp(log([0]) + TMath::LnGamma([2]+x) - TMath::LnGamma([2]) - TMath::LnGamma(x+1) + log([1] / ([1]+[2])) * x + log(1.0 + [1]/[2]) * -[2])", 0, 50); |
1705 | ||
dd701109 | 1706 | func->SetParNames("scaling", "averagen", "k"); |
1707 | func->SetParLimits(0, 1e-3, 1e10); | |
1708 | func->SetParLimits(1, 0.001, 1000); | |
1709 | func->SetParLimits(2, 0.001, 1000); | |
1710 | ||
1711 | func->SetParameters(1, 10, 2); | |
1712 | for (Int_t j=2; j<=startCond->GetNbinsX(); j++) | |
1713 | startCond->SetBinContent(j, func->Eval(j-1)); | |
1714 | } | |
1715 | else if (i == 7) | |
1716 | { | |
1717 | for (Int_t j=1; j<=startCond->GetNbinsX(); j++) | |
1718 | startCond->SetBinContent(j, 1); | |
1719 | } | |
1720 | ||
69b09e3b | 1721 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol0, 1e5); |
dd701109 | 1722 | mult->ApplyMinuitFit(histID, kFALSE, AliMultiplicityCorrection::kTrVtx, kFALSE, startCond); |
69b09e3b | 1723 | //mult->DrawComparison(Form("StartingConditions_%d_MinuitChi2", i), histID, kFALSE, kTRUE, mc); |
dd701109 | 1724 | |
1725 | Float_t chi2MC = 0; | |
1726 | Int_t chi2MCLimit = 0; | |
1727 | mult->GetComparisonResults(&chi2MC, &chi2MCLimit, 0); | |
1728 | fitResultsChi2->SetPoint(fitResultsChi2->GetN(), i, chi2MC); | |
1729 | fitResultsChi2Limit->SetPoint(fitResultsChi2Limit->GetN(), i, chi2MCLimit); | |
1730 | min = TMath::Min(min, chi2MC); | |
1731 | max = TMath::Max(max, chi2MC); | |
1732 | ||
447c325d | 1733 | TH1* chi2Result = (TH1*) mult->GetMultiplicityESDCorrected(histID)->Clone(Form("chi2Result_%d", i)); |
dd701109 | 1734 | if (!firstChi) |
1735 | firstChi = (TH1*) chi2Result->Clone("firstChi"); | |
1736 | ||
69b09e3b | 1737 | mult->ApplyBayesianMethod(histID, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 10, startCond); |
1738 | //mult->DrawComparison(Form("StartingConditions_%d_Bayesian", i), histID, kFALSE, kTRUE, mc); | |
447c325d | 1739 | TH1* bayesResult = (TH1*) mult->GetMultiplicityESDCorrected(histID)->Clone(Form("bayesResult_%d", i)); |
dd701109 | 1740 | if (!firstBayesian) |
1741 | firstBayesian = (TH1*) bayesResult->Clone("firstBayesian"); | |
1742 | ||
1743 | mult->GetComparisonResults(&chi2MC, &chi2MCLimit, 0); | |
1744 | fitResultsBayes->SetPoint(fitResultsBayes->GetN(), i, chi2MC); | |
1745 | fitResultsBayesLimit->SetPoint(fitResultsBayesLimit->GetN(), i, chi2MCLimit); | |
1746 | ||
447c325d | 1747 | TFile* file = TFile::Open("StartingConditions.root", "UPDATE"); |
1748 | chi2Result->Write(); | |
1749 | bayesResult->Write(); | |
1750 | file->Close(); | |
1751 | ||
dd701109 | 1752 | min = TMath::Min(min, chi2MC); |
1753 | max = TMath::Max(max, chi2MC); | |
1754 | mc->GetXaxis()->SetRangeUser(0, 150); | |
1755 | chi2Result->GetXaxis()->SetRangeUser(0, 150); | |
1756 | ||
1757 | // skip errors for now | |
1758 | for (Int_t j=0; j<=chi2Result->GetNbinsX(); ++j) | |
1759 | { | |
1760 | chi2Result->SetBinError(j, 0); | |
1761 | bayesResult->SetBinError(j, 0); | |
1762 | } | |
1763 | ||
1764 | canvas3->cd(1); | |
1765 | TH1* tmp = (TH1*) chi2Result->Clone("tmp"); | |
1766 | tmp->SetTitle("Difference to best initial conditions;Npart;Ratio"); | |
1767 | tmp->Divide(firstChi); | |
1768 | tmp->GetYaxis()->SetRangeUser(0.5, 1.5); | |
1769 | tmp->GetXaxis()->SetRangeUser(0, 200); | |
1770 | tmp->SetLineColor(i+1); | |
1771 | legend->AddEntry(tmp, Form("%d", i)); | |
1772 | tmp->DrawCopy((i > 0) ? "SAME HIST" : "HIST"); | |
1773 | ||
1774 | canvas3->cd(2); | |
1775 | tmp = (TH1*) bayesResult->Clone("tmp"); | |
1776 | tmp->SetTitle("Difference to best initial conditions;Npart;Ratio"); | |
1777 | tmp->Divide(firstBayesian); | |
1778 | tmp->SetLineColor(i+1); | |
1779 | tmp->GetYaxis()->SetRangeUser(0.5, 1.5); | |
1780 | tmp->GetXaxis()->SetRangeUser(0, 200); | |
1781 | tmp->DrawCopy((i > 0) ? "SAME HIST" : "HIST"); | |
1782 | ||
1783 | canvas->cd(i+1); | |
1784 | mc->SetFillColor(kYellow); | |
1785 | mc->DrawCopy(); | |
1786 | chi2Result->SetLineColor(kRed); | |
1787 | chi2Result->DrawCopy("SAME"); | |
1788 | bayesResult->SetLineColor(kBlue); | |
1789 | bayesResult->DrawCopy("SAME"); | |
1790 | gPad->SetLogy(); | |
1791 | ||
1792 | canvas->cd(i+9); | |
1793 | chi2Result->Divide(chi2Result, mc, 1, 1, "B"); | |
1794 | bayesResult->Divide(bayesResult, mc, 1, 1, "B"); | |
1795 | ||
1796 | // skip errors for now | |
1797 | for (Int_t j=0; j<=chi2Result->GetNbinsX(); ++j) | |
1798 | { | |
1799 | chi2Result->SetBinError(j, 0); | |
1800 | bayesResult->SetBinError(j, 0); | |
1801 | } | |
1802 | ||
1803 | chi2Result->SetTitle("Ratios;Npart;unfolded measured/MC"); | |
1804 | chi2Result->GetYaxis()->SetRangeUser(0.5, 1.5); | |
1805 | ||
1806 | chi2Result->DrawCopy(""); | |
1807 | bayesResult->DrawCopy("SAME"); | |
1808 | } | |
1809 | ||
1810 | canvas3->cd(1); | |
1811 | legend->Draw(); | |
1812 | ||
cfc19dd5 | 1813 | canvas->SaveAs(Form("%s.gif", canvas->GetName())); |
dd701109 | 1814 | |
1815 | TCanvas* canvas2 = new TCanvas("StartingConditions2", "StartingConditions2", 800, 400); | |
1816 | canvas2->Divide(2, 1); | |
1817 | ||
1818 | canvas2->cd(1); | |
1819 | fitResultsChi2->SetMarkerStyle(20); | |
1820 | fitResultsChi2->GetYaxis()->SetRangeUser(0.5 * min, 1.5 * max); | |
1821 | fitResultsChi2->Draw("AP"); | |
1822 | ||
1823 | fitResultsBayes->SetMarkerStyle(3); | |
1824 | fitResultsBayes->SetMarkerColor(2); | |
1825 | fitResultsBayes->Draw("P SAME"); | |
1826 | ||
1827 | gPad->SetLogy(); | |
1828 | ||
1829 | canvas2->cd(2); | |
1830 | fitResultsChi2Limit->SetMarkerStyle(20); | |
1831 | fitResultsChi2Limit->GetYaxis()->SetRangeUser(0.9 * TMath::Min(fitResultsChi2Limit->GetYaxis()->GetXmin(), fitResultsBayesLimit->GetYaxis()->GetXmin()), 1.1 * TMath::Max(fitResultsChi2Limit->GetYaxis()->GetXmax(), fitResultsBayesLimit->GetYaxis()->GetXmax())); | |
1832 | fitResultsChi2Limit->Draw("AP"); | |
1833 | ||
1834 | fitResultsBayesLimit->SetMarkerStyle(3); | |
1835 | fitResultsBayesLimit->SetMarkerColor(2); | |
1836 | fitResultsBayesLimit->Draw("P SAME"); | |
1837 | ||
1838 | canvas2->SaveAs(Form("%s.gif", canvas2->GetName())); | |
1839 | canvas3->SaveAs(Form("%s.gif", canvas3->GetName())); | |
cfc19dd5 | 1840 | } |
1841 | ||
1842 | void Merge(Int_t n, const char** files, const char* output) | |
1843 | { | |
447c325d | 1844 | // const char* files[] = { "multiplicityMC_100k_1.root", "multiplicityMC_100k_2.root", "multiplicityMC_100k_3.root", "multiplicityMC_100k_4.root", "multiplicityMC_100k_5.root", "multiplicityMC_100k_6.root", "multiplicityMC_100k_7.root", "multiplicityMC_100k_8.root" }; |
1845 | ||
1846 | ||
cfc19dd5 | 1847 | gSystem->Load("libPWG0base"); |
1848 | ||
1849 | AliMultiplicityCorrection** data = new AliMultiplicityCorrection*[n]; | |
1850 | TList list; | |
1851 | for (Int_t i=0; i<n; ++i) | |
1852 | { | |
1853 | TString name("Multiplicity"); | |
1854 | if (i > 0) | |
1855 | name.Form("Multiplicity%d", i); | |
1856 | ||
1857 | TFile::Open(files[i]); | |
1858 | data[i] = new AliMultiplicityCorrection(name, name); | |
1859 | data[i]->LoadHistograms("Multiplicity"); | |
1860 | if (i > 0) | |
1861 | list.Add(data[i]); | |
1862 | } | |
1863 | ||
1864 | data[0]->Merge(&list); | |
1865 | ||
447c325d | 1866 | //data[0]->DrawHistograms(); |
cfc19dd5 | 1867 | |
1868 | TFile::Open(output, "RECREATE"); | |
1869 | data[0]->SaveHistograms(); | |
1870 | gFile->Close(); | |
1871 | } | |
1872 | ||
1873 | void testMethod(Int_t caseNo, const char* fileName = "multiplicityMC.root") | |
1874 | { | |
69b09e3b | 1875 | loadlibs(); |
cfc19dd5 | 1876 | |
1877 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1878 | ||
1879 | TFile::Open(fileName); | |
1880 | mult->LoadHistograms("Multiplicity"); | |
1881 | ||
1882 | TF1* func = 0; | |
1883 | ||
1884 | if (caseNo >= 4) | |
1885 | { | |
69b09e3b | 1886 | TF1* func = new TF1("nbd", "exp(log([0]) + TMath::LnGamma([2]+x) - TMath::LnGamma([2]) - TMath::LnGamma(x+1) + log([1] / ([1]+[2])) * x + log(1.0 + [1]/[2]) * -[2])", 0, 200); |
1887 | //func = new TF1("nbd", "[0] * TMath::Binomial([2]+TMath::Nint(x)-1, [2]-1) * pow([1] / ([1]+[2]), TMath::Nint(x)) * pow(1 + [1]/[2], -[2])", 0, 200); | |
cfc19dd5 | 1888 | func->SetParNames("scaling", "averagen", "k"); |
1889 | } | |
1890 | ||
1891 | switch (caseNo) | |
1892 | { | |
0b4bfd98 | 1893 | case 0: func = new TF1("flat", "1000"); break; |
cfc19dd5 | 1894 | case 1: func = new TF1("flat", "501-x"); break; |
1895 | case 2: func = new TF1("flat", "1000 * 1/(x+1)"); break; | |
1896 | case 3: func = new TF1("flat", "1000 * TMath::Landau(x, 10, 5)"); break; | |
69b09e3b | 1897 | case 4: func->SetParameters(2e5, 15, 2); break; |
447c325d | 1898 | case 5: func->SetParameters(1, 13, 7); break; |
dd701109 | 1899 | case 6: func->SetParameters(1e7, 30, 4); break; |
0b4bfd98 | 1900 | case 7: func->SetParameters(1e7, 30, 2); break; // *** |
dd701109 | 1901 | case 8: func = new TF1("testlaszlo", "10*1000*x*exp(-0.1*x)"); break; |
cfc19dd5 | 1902 | |
1903 | default: return; | |
1904 | } | |
1905 | ||
447c325d | 1906 | new TCanvas; |
1907 | func->Draw(); | |
1908 | ||
69b09e3b | 1909 | mult->SetGenMeasFromFunc(func, 1); |
cfc19dd5 | 1910 | |
dd701109 | 1911 | TFile::Open("out.root", "RECREATE"); |
1912 | mult->SaveHistograms(); | |
1913 | ||
69b09e3b | 1914 | new TCanvas; mult->GetMultiplicityESD(1)->ProjectionY()->DrawCopy(); |
1915 | new TCanvas; mult->GetMultiplicityVtx(1)->ProjectionY("mc", 1, mult->GetMultiplicityVtx(1)->GetNbinsX())->DrawCopy(); | |
0b4bfd98 | 1916 | |
dd701109 | 1917 | //mult->ApplyBayesianMethod(2, kFALSE); |
1918 | //mult->ApplyMinuitFit(2, kFALSE); | |
cfc19dd5 | 1919 | //mult->ApplyGaussianMethod(2, kFALSE); |
447c325d | 1920 | //mult->ApplyLaszloMethod(2, kFALSE, AliMultiplicityCorrection::kTrVtx); |
dd701109 | 1921 | } |
1922 | ||
70fdd197 | 1923 | void smoothCorrelationMap(const char* fileName = "multiplicity.root", Int_t corrMatrix = 1) |
dd701109 | 1924 | { |
1925 | gSystem->Load("libPWG0base"); | |
1926 | ||
1927 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1928 | ||
1929 | TFile::Open(fileName); | |
1930 | mult->LoadHistograms("Multiplicity"); | |
1931 | ||
1932 | // empty under/overflow bins in x, otherwise Project3D takes them into account | |
1933 | TH3* corr = mult->GetCorrelation(corrMatrix); | |
1934 | for (Int_t j=1; j<=corr->GetYaxis()->GetNbins(); ++j) | |
1935 | { | |
1936 | for (Int_t k=1; k<=corr->GetZaxis()->GetNbins(); ++k) | |
1937 | { | |
1938 | corr->SetBinContent(0, j, k, 0); | |
1939 | corr->SetBinContent(corr->GetXaxis()->GetNbins()+1, j, k, 0); | |
1940 | } | |
1941 | } | |
1942 | ||
1943 | TH2* proj = (TH2*) corr->Project3D("zy"); | |
1944 | ||
1945 | // normalize correction for given nPart | |
1946 | for (Int_t i=1; i<=proj->GetNbinsX(); ++i) | |
1947 | { | |
1948 | Double_t sum = proj->Integral(i, i, 1, proj->GetNbinsY()); | |
1949 | if (sum <= 0) | |
1950 | continue; | |
1951 | ||
1952 | for (Int_t j=1; j<=proj->GetNbinsY(); ++j) | |
1953 | { | |
1954 | // npart sum to 1 | |
1955 | proj->SetBinContent(i, j, proj->GetBinContent(i, j) / sum); | |
1956 | proj->SetBinError(i, j, proj->GetBinError(i, j) / sum); | |
1957 | } | |
1958 | } | |
1959 | ||
1960 | new TCanvas; | |
447c325d | 1961 | proj->DrawCopy("COLZ"); |
dd701109 | 1962 | |
1963 | TH1* scaling = proj->ProjectionY("scaling", 1, 1); | |
1964 | scaling->Reset(); | |
1965 | scaling->SetMarkerStyle(3); | |
1966 | //scaling->GetXaxis()->SetRangeUser(0, 50); | |
1967 | TH1* mean = (TH1F*) scaling->Clone("mean"); | |
1968 | TH1* width = (TH1F*) scaling->Clone("width"); | |
1969 | ||
1970 | TF1* lognormal = new TF1("lognormal", "[0]*exp(-(log(x)-[1])^2/(2*[2]^2))/(x*[2]*TMath::Sqrt(2*TMath::Pi()))", 0.01, 500); | |
1971 | lognormal->SetParNames("scaling", "mean", "sigma"); | |
1972 | lognormal->SetParameters(1, 1, 1); | |
1973 | lognormal->SetParLimits(0, 1, 1); | |
1974 | lognormal->SetParLimits(1, 0, 100); | |
1975 | lognormal->SetParLimits(2, 1e-3, 1); | |
1976 | ||
1977 | TF1* nbd = new TF1("nbd", "[0] * TMath::Binomial([2]+TMath::Nint(x)-1, [2]-1) * pow([1] / ([1]+[2]), TMath::Nint(x)) * pow(1 + [1]/[2], -[2])", 0, 50); | |
1978 | nbd->SetParNames("scaling", "averagen", "k"); | |
1979 | nbd->SetParameters(1, 13, 5); | |
1980 | nbd->SetParLimits(0, 1, 1); | |
1981 | nbd->SetParLimits(1, 1, 100); | |
1982 | nbd->SetParLimits(2, 1, 1e8); | |
1983 | ||
1984 | TF1* poisson = new TF1("poisson", "[0] * exp(-(x+[2])) * (x+[2])**[1] / TMath::Factorial([1])", 0.01, 50); | |
1985 | poisson->SetParNames("scaling", "k", "deltax"); | |
1986 | poisson->SetParameters(1, 1, 0); | |
1987 | poisson->SetParLimits(0, 0, 10); | |
1988 | poisson->SetParLimits(1, 0.01, 100); | |
1989 | poisson->SetParLimits(2, 0, 10); | |
1990 | ||
1991 | TF1* mygaus = new TF1("mygaus", "[0] * exp(-(x-[1])**2 / 2 / [2] - [3] * log(x + [4]) / [5])", 0.01, 50); | |
1992 | mygaus->SetParNames("scaling", "mean", "width", "scale2log", "logmean", "logwidth"); | |
1993 | mygaus->SetParameters(1, 0, 1, 1, 0, 1); | |
1994 | mygaus->SetParLimits(2, 1e-5, 10); | |
1995 | mygaus->SetParLimits(4, 1, 1); | |
1996 | mygaus->SetParLimits(5, 1e-5, 10); | |
1997 | ||
1998 | //TF1* sqrt = new TF1("sqrt", "[0] + [1] * sqrt((x + [3]) * [2])", 0, 50); | |
1999 | TF1* sqrt = new TF1("sqrt", "[0] + (x + [1])**[2]", 0, 50); | |
2000 | sqrt->SetParNames("ydelta", "exp", "xdelta"); | |
2001 | sqrt->SetParameters(0, 0, 1); | |
2002 | sqrt->SetParLimits(1, 0, 10); | |
2003 | ||
2004 | const char* fitWith = "gaus"; | |
2005 | ||
70fdd197 | 2006 | for (Int_t i=1; i<=80; ++i) |
dd701109 | 2007 | { |
2008 | printf("Fitting %d...\n", i); | |
2009 | ||
2010 | TH1* hist = proj->ProjectionY(Form("proj%d", i), i, i, "e"); | |
447c325d | 2011 | |
dd701109 | 2012 | //hist->GetXaxis()->SetRangeUser(0, 50); |
2013 | //lognormal->SetParameter(0, hist->GetMaximum()); | |
2014 | hist->Fit(fitWith, "0 M", ""); | |
2015 | ||
2016 | TF1* func = hist->GetListOfFunctions()->FindObject(fitWith); | |
2017 | ||
447c325d | 2018 | if (0 && (i % 5 == 0)) |
dd701109 | 2019 | { |
447c325d | 2020 | pad = new TCanvas; |
dd701109 | 2021 | hist->Draw(); |
2022 | func->Clone()->Draw("SAME"); | |
447c325d | 2023 | pad->SetLogy(); |
dd701109 | 2024 | } |
2025 | ||
70fdd197 | 2026 | scaling->SetBinContent(i, func->GetParameter(0)); |
2027 | mean->SetBinContent(i, func->GetParameter(1)); | |
2028 | width->SetBinContent(i, func->GetParameter(2)); | |
2029 | ||
2030 | scaling->SetBinError(i, func->GetParError(0)); | |
2031 | mean->SetBinError(i, func->GetParError(1)); | |
2032 | width->SetBinError(i, func->GetParError(2)); | |
dd701109 | 2033 | } |
2034 | ||
2035 | TF1* log = new TF1("log", "[0] + [1] * log([2] * x)", 0.01, 500); | |
2036 | log->SetParameters(0, 1, 1); | |
2037 | log->SetParLimits(1, 0, 100); | |
2038 | log->SetParLimits(2, 1e-3, 10); | |
2039 | ||
2040 | TF1* over = new TF1("over", "[0] + [1] / (x+[2])", 0.01, 500); | |
2041 | over->SetParameters(0, 1, 0); | |
2042 | //over->SetParLimits(0, 0, 100); | |
2043 | over->SetParLimits(1, 1e-3, 10); | |
2044 | over->SetParLimits(2, 0, 100); | |
2045 | ||
2046 | c1 = new TCanvas("fitparams", "fitparams", 1200, 400); | |
2047 | c1->Divide(3, 1); | |
2048 | ||
2049 | c1->cd(1); | |
2050 | scaling->Draw("P"); | |
2051 | ||
2052 | //TF1* scalingFit = new TF1("mypol0", "[0]"); | |
2053 | TF1* scalingFit = over; | |
447c325d | 2054 | scaling->Fit(scalingFit, "", "", 3, 140); |
2055 | scalingFit->SetRange(0, 200); | |
2056 | scalingFit->Draw("SAME"); | |
70fdd197 | 2057 | |
dd701109 | 2058 | c1->cd(2); |
2059 | mean->Draw("P"); | |
2060 | ||
2061 | //TF1* meanFit = log; | |
2062 | TF1* meanFit = new TF1("mypol1", "[0]+[1]*x"); | |
447c325d | 2063 | mean->Fit(meanFit, "", "", 3, 140); |
2064 | meanFit->SetRange(0, 200); | |
2065 | meanFit->Draw("SAME"); | |
dd701109 | 2066 | |
2067 | c1->cd(3); | |
2068 | width->Draw("P"); | |
2069 | ||
2070 | //TF1* widthFit = over; | |
447c325d | 2071 | TF1* widthFit = new TF1("mypol", "[0]+[1]*TMath::Sqrt([2]*x)"); |
2072 | widthFit->SetParLimits(2, 1e-5, 1e5); | |
2073 | width->Fit(widthFit, "", "", 5, 140); | |
2074 | widthFit->SetRange(0, 200); | |
2075 | widthFit->Draw("SAME"); | |
70fdd197 | 2076 | |
dd701109 | 2077 | // build new correction matrix |
2078 | TH2* new = (TH2*) proj->Clone("new"); | |
2079 | new->Reset(); | |
2080 | Float_t x, y; | |
2081 | for (Int_t i=1; i<=new->GetXaxis()->GetNbins(); i+=1) | |
2082 | { | |
2083 | TF1* func = (TF1*) gROOT->FindObject(fitWith); | |
2084 | x = new->GetXaxis()->GetBinCenter(i); | |
2085 | //if (i == 1) | |
2086 | // x = 0.1; | |
2087 | x++; | |
2088 | func->SetParameters(scalingFit->Eval(x), meanFit->Eval(x), widthFit->Eval(x)); | |
2089 | printf("%f %f %f %f\n", x, scalingFit->Eval(x), meanFit->Eval(x), widthFit->Eval(x)); | |
2090 | ||
2091 | for (Int_t j=1; j<=new->GetYaxis()->GetNbins(); j+=1) | |
2092 | { | |
447c325d | 2093 | if (i < 11) |
dd701109 | 2094 | { |
2095 | // leave bins 1..20 untouched | |
2096 | new->SetBinContent(i, j, corr->Integral(1, corr->GetNbinsX(), i, i, j, j)); | |
2097 | } | |
2098 | else | |
2099 | { | |
2100 | y = new->GetYaxis()->GetBinCenter(j); | |
2101 | if (j == 1) | |
2102 | y = 0.1; | |
2103 | if (func->Eval(y) > 1e-4) | |
2104 | new->SetBinContent(i, j, func->Eval(y)); | |
2105 | } | |
2106 | } | |
2107 | } | |
2108 | ||
2109 | // fill 0 multiplicity bins, this cannot be done with the function because it does not accept 0 | |
2110 | // we take the values from the old response matrix | |
2111 | //for (Int_t i=1; i<=new->GetXaxis()->GetNbins(); i+=1) | |
2112 | // new->SetBinContent(i, 1, proj->GetBinContent(i, 1)); | |
2113 | ||
2114 | //for (Int_t j=1; j<=new->GetYaxis()->GetNbins(); j+=1) | |
2115 | // new->SetBinContent(1, j, proj->GetBinContent(1, j)); | |
2116 | ||
2117 | // normalize correction for given nPart | |
2118 | for (Int_t i=1; i<=new->GetNbinsX(); ++i) | |
2119 | { | |
2120 | Double_t sum = new->Integral(i, i, 1, proj->GetNbinsY()); | |
2121 | if (sum <= 0) | |
2122 | continue; | |
2123 | ||
2124 | for (Int_t j=1; j<=new->GetNbinsY(); ++j) | |
2125 | { | |
2126 | // npart sum to 1 | |
2127 | new->SetBinContent(i, j, new->GetBinContent(i, j) / sum); | |
2128 | new->SetBinError(i, j, new->GetBinError(i, j) / sum); | |
2129 | } | |
2130 | } | |
2131 | ||
2132 | new TCanvas; | |
2133 | new->Draw("COLZ"); | |
2134 | ||
2135 | TH2* diff = (TH2*) new->Clone("diff"); | |
2136 | diff->Add(proj, -1); | |
2137 | ||
2138 | new TCanvas; | |
2139 | diff->Draw("COLZ"); | |
2140 | diff->SetMinimum(-0.05); | |
2141 | diff->SetMaximum(0.05); | |
2142 | ||
2143 | corr->Reset(); | |
2144 | ||
2145 | for (Int_t i=1; i<=new->GetNbinsX(); ++i) | |
2146 | for (Int_t j=1; j<=new->GetNbinsY(); ++j) | |
70fdd197 | 2147 | corr->SetBinContent(corr->GetXaxis()->GetNbins() / 2 + 1, i, j, new->GetBinContent(i, j)); |
dd701109 | 2148 | |
2149 | new TCanvas; | |
2150 | corr->Project3D("zy")->Draw("COLZ"); | |
2151 | ||
2152 | TFile::Open("out.root", "RECREATE"); | |
2153 | mult->SaveHistograms(); | |
2154 | ||
2155 | TH1* proj1 = proj->ProjectionY("proj1", 36, 36); | |
2156 | TH1* proj2 = new->ProjectionY("proj2", 36, 36); | |
2157 | proj2->SetLineColor(2); | |
2158 | ||
2159 | new TCanvas; | |
2160 | proj1->Draw(); | |
2161 | proj2->Draw("SAME"); | |
cfc19dd5 | 2162 | } |
447c325d | 2163 | |
0b4bfd98 | 2164 | void buildCorrelationMap(const char* fileName = "multiplicityMC_2M.root", Int_t corrMatrix = 3) |
2165 | { | |
2166 | gSystem->Load("libPWG0base"); | |
2167 | ||
2168 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2169 | ||
2170 | TFile::Open(fileName); | |
2171 | mult->LoadHistograms("Multiplicity"); | |
2172 | ||
2173 | TH3F* new = mult->GetCorrelation(corrMatrix); | |
2174 | new->Reset(); | |
2175 | ||
2176 | TF1* func = new TF1("func", "gaus(0)"); | |
2177 | ||
2178 | Int_t vtxBin = new->GetNbinsX() / 2; | |
2179 | if (vtxBin == 0) | |
2180 | vtxBin = 1; | |
2181 | ||
2182 | Float_t sigma = 2; | |
2183 | for (Int_t i=1; i<=new->GetYaxis()->GetNbins(); i+=1) | |
2184 | { | |
2185 | Float_t x = new->GetYaxis()->GetBinCenter(i); | |
2186 | func->SetParameters(1, x * 0.8, sigma); | |
2187 | //func->SetParameters(1, x, sigma); | |
2188 | ||
2189 | for (Int_t j=1; j<=new->GetZaxis()->GetNbins(); j+=1) | |
2190 | { | |
2191 | Float_t y = new->GetYaxis()->GetBinCenter(j); | |
2192 | ||
2193 | // cut at 1 sigma | |
2194 | if (TMath::Abs(y-x*0.8) < sigma) | |
2195 | new->SetBinContent(vtxBin, i, j, func->Eval(y)); | |
2196 | ||
2197 | // test only bin 40 has smearing | |
2198 | //if (x != 40) | |
2199 | // new->SetBinContent(vtxBin, i, j, (i == j)); | |
2200 | } | |
2201 | } | |
2202 | ||
2203 | new TCanvas; | |
2204 | new->Project3D("zy")->DrawCopy("COLZ"); | |
2205 | ||
2206 | TFile* file = TFile::Open("out.root", "RECREATE"); | |
2207 | mult->SetCorrelation(corrMatrix, new); | |
2208 | mult->SaveHistograms(); | |
2209 | file->Close(); | |
2210 | } | |
2211 | ||
447c325d | 2212 | void GetCrossSections(const char* fileName) |
2213 | { | |
2214 | gSystem->Load("libPWG0base"); | |
2215 | ||
2216 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2217 | ||
2218 | TFile::Open(fileName); | |
2219 | mult->LoadHistograms("Multiplicity"); | |
2220 | ||
2221 | TH1* xSection2 = mult->GetCorrelation(3)->Project3D("y")->Clone("xSection2"); | |
2222 | xSection2->Sumw2(); | |
2223 | xSection2->Scale(1.0 / xSection2->Integral()); | |
2224 | ||
2225 | TH1* xSection15 = mult->GetCorrelation(2)->Project3D("y")->Clone("xSection15"); | |
2226 | xSection15->Sumw2(); | |
2227 | xSection15->Scale(1.0 / xSection15->Integral()); | |
2228 | ||
2229 | TFile::Open("crosssection.root", "RECREATE"); | |
2230 | xSection2->Write(); | |
2231 | xSection15->Write(); | |
2232 | gFile->Close(); | |
2233 | } | |
0b4bfd98 | 2234 | |
44466df2 | 2235 | void AnalyzeSpeciesTree(const char* fileName) |
2236 | { | |
2237 | // | |
2238 | // prints statistics about fParticleSpecies | |
2239 | // | |
2240 | ||
2241 | gSystem->Load("libPWG0base"); | |
2242 | ||
2243 | TFile::Open(fileName); | |
2244 | TNtuple* fParticleSpecies = (TNtuple*) gFile->Get("fParticleSpecies"); | |
2245 | ||
2246 | const Int_t nFields = 8; | |
2247 | Long_t totals[8]; | |
2248 | for (Int_t i=0; i<nFields; i++) | |
2249 | totals[i] = 0; | |
2250 | ||
2251 | for (Int_t i=0; i<fParticleSpecies->GetEntries(); i++) | |
2252 | { | |
2253 | fParticleSpecies->GetEvent(i); | |
2254 | ||
2255 | Float_t* f = fParticleSpecies->GetArgs(); | |
2256 | ||
2257 | for (Int_t j=0; j<nFields; j++) | |
2258 | totals[j] += f[j+1]; | |
2259 | } | |
2260 | ||
2261 | for (Int_t i=0; i<nFields; i++) | |
2262 | Printf("%d --> %ld", i, totals[i]); | |
2263 | } | |
2264 | ||
0b4bfd98 | 2265 | void BuildResponseFromTree(const char* fileName, const char* target) |
2266 | { | |
2267 | // | |
2268 | // builds several response matrices with different particle ratios (systematic study) | |
69b09e3b | 2269 | // |
2270 | // WARNING doesn't work uncompiled, see test.C | |
0b4bfd98 | 2271 | |
69b09e3b | 2272 | loadlibs(); |
0b4bfd98 | 2273 | |
2274 | TFile::Open(fileName); | |
2275 | TNtuple* fParticleSpecies = (TNtuple*) gFile->Get("fParticleSpecies"); | |
2276 | ||
2277 | TFile* file = TFile::Open(target, "RECREATE"); | |
2278 | file->Close(); | |
2279 | ||
2280 | Int_t tracks = 0; // control variables | |
2281 | Int_t noLabel = 0; | |
6d81c2de | 2282 | Int_t secondaries = 0; |
0b4bfd98 | 2283 | Int_t doubleCount = 0; |
2284 | ||
69b09e3b | 2285 | for (Int_t num = 0; num < 9; num++) |
0b4bfd98 | 2286 | { |
69b09e3b | 2287 | TString name; |
2288 | name.Form("Multiplicity_%d", num); | |
2289 | AliMultiplicityCorrection* fMultiplicity = new AliMultiplicityCorrection(name, name); | |
0b4bfd98 | 2290 | |
2291 | Float_t ratio[4]; // pi, K, p, other | |
2292 | for (Int_t i = 0; i < 4; i++) | |
2293 | ratio[i] = 1; | |
2294 | ||
2295 | switch (num) | |
2296 | { | |
2297 | case 1 : ratio[1] = 0.5; break; | |
69b09e3b | 2298 | case 2 : ratio[1] = 1.5; break; |
2299 | case 3 : ratio[2] = 0.5; break; | |
0b4bfd98 | 2300 | case 4 : ratio[2] = 1.5; break; |
2301 | case 5 : ratio[1] = 0.5; ratio[2] = 0.5; break; | |
2302 | case 6 : ratio[1] = 1.5; ratio[2] = 1.5; break; | |
69b09e3b | 2303 | case 7 : ratio[1] = 0.5; ratio[2] = 1.5; break; |
2304 | case 8 : ratio[1] = 1.5; ratio[2] = 0.5; break; | |
0b4bfd98 | 2305 | } |
2306 | ||
2307 | for (Int_t i=0; i<fParticleSpecies->GetEntries(); i++) | |
2308 | { | |
2309 | fParticleSpecies->GetEvent(i); | |
2310 | ||
2311 | Float_t* f = fParticleSpecies->GetArgs(); | |
2312 | ||
2313 | Float_t gene = 0; | |
2314 | Float_t meas = 0; | |
2315 | ||
2316 | for (Int_t j = 0; j < 4; j++) | |
2317 | { | |
2318 | gene += ratio[j] * f[j+1]; | |
2319 | meas += ratio[j] * f[j+1+4]; | |
2320 | tracks += f[j+1+4]; | |
2321 | } | |
2322 | ||
2323 | // add the ones w/o label | |
2324 | tracks += f[9]; | |
2325 | noLabel += f[9]; | |
2326 | ||
6d81c2de | 2327 | // secondaries are already part of meas! |
2328 | secondaries += f[10]; | |
2329 | ||
2330 | // double counted are already part of meas! | |
2331 | doubleCount += f[11]; | |
0b4bfd98 | 2332 | |
6d81c2de | 2333 | // ones w/o label are added without weighting to allow comparison to default analysis. however this is only valid when their fraction is low enough! |
0b4bfd98 | 2334 | meas += f[9]; |
0b4bfd98 | 2335 | |
2336 | //Printf("%.f %.f %.f %.f %.f", f[5], f[6], f[7], f[8], f[9]); | |
2337 | ||
6d81c2de | 2338 | fMultiplicity->FillCorrection(f[0], gene, gene, gene, gene, 0, meas, meas, meas, meas); |
69b09e3b | 2339 | // HACK all as kND = 1 |
2340 | fMultiplicity->FillGenerated(f[0], kTRUE, kTRUE, 1, gene, gene, gene, gene, 0); | |
6d81c2de | 2341 | fMultiplicity->FillMeasured(f[0], meas, meas, meas, meas); |
0b4bfd98 | 2342 | } |
2343 | ||
2344 | //fMultiplicity->DrawHistograms(); | |
2345 | ||
2346 | TFile* file = TFile::Open(target, "UPDATE"); | |
2347 | fMultiplicity->SaveHistograms(); | |
2348 | file->Close(); | |
2349 | ||
2350 | if (num == 0) | |
6d81c2de | 2351 | { |
2352 | Printf("%d total tracks, %d w/o label = %.2f %%, %d double counted = %.2f %%, secondaries = %.2f %%", tracks, noLabel, 100.0 * noLabel / tracks, doubleCount, 100.0 * doubleCount / tracks, 100.0 * secondaries / tracks); | |
2353 | if ((Float_t) noLabel / tracks > 0.02) | |
2354 | Printf("WARNING: More than 2%% of tracks without label, this might bias the study!"); | |
2355 | } | |
0b4bfd98 | 2356 | } |
2357 | } | |
2358 | ||
69b09e3b | 2359 | void ParticleRatioStudy() |
0b4bfd98 | 2360 | { |
69b09e3b | 2361 | loadlibs(); |
0b4bfd98 | 2362 | |
69b09e3b | 2363 | for (Int_t num = 0; num < 9; num++) |
2364 | { | |
2365 | TString target; | |
2366 | target.Form("chi2_species_%d.root", num); | |
2367 | correct("species.root", Form("Multiplicity_%d", num), "species.root", 1, 1, 0, 1e5, 0, target, "Multiplicity_0"); | |
2368 | } | |
2369 | } | |
2370 | ||
2371 | void MergeModifyCrossSection(const char* output = "multiplicityMC_xsection.root") | |
2372 | { | |
2373 | const char* files[] = { "multiplicityMC_nd.root", "multiplicityMC_sd.root", "multiplicityMC_dd.root" }; | |
2374 | ||
2375 | loadlibs(); | |
0b4bfd98 | 2376 | |
2377 | TFile::Open(output, "RECREATE"); | |
2378 | gFile->Close(); | |
2379 | ||
69b09e3b | 2380 | for (Int_t num = 0; num < 7; num++) |
0b4bfd98 | 2381 | { |
2382 | AliMultiplicityCorrection* data[3]; | |
2383 | TList list; | |
2384 | ||
2385 | Float_t ratio[3]; | |
2386 | switch (num) | |
2387 | { | |
2388 | case 0: ratio[0] = 1.0; ratio[1] = 1.0; ratio[2] = 1.0; break; | |
2389 | case 1: ratio[0] = 1.0; ratio[1] = 1.5; ratio[2] = 1.0; break; | |
2390 | case 2: ratio[0] = 1.0; ratio[1] = 0.5; ratio[2] = 1.0; break; | |
2391 | case 3: ratio[0] = 1.0; ratio[1] = 1.0; ratio[2] = 1.5; break; | |
2392 | case 4: ratio[0] = 1.0; ratio[1] = 1.0; ratio[2] = 0.5; break; | |
2393 | case 5: ratio[0] = 1.0; ratio[1] = 1.5; ratio[2] = 1.5; break; | |
2394 | case 6: ratio[0] = 1.0; ratio[1] = 0.5; ratio[2] = 0.5; break; | |
2395 | default: return; | |
2396 | } | |
2397 | ||
2398 | for (Int_t i=0; i<3; ++i) | |
2399 | { | |
2400 | TString name; | |
2401 | name.Form("Multiplicity_%d", num); | |
2402 | if (i > 0) | |
2403 | name.Form("Multiplicity_%d_%d", num, i); | |
2404 | ||
2405 | TFile::Open(files[i]); | |
2406 | data[i] = new AliMultiplicityCorrection(name, name); | |
2407 | data[i]->LoadHistograms("Multiplicity"); | |
2408 | ||
2409 | // modify x-section | |
2410 | for (Int_t j=0; j<AliMultiplicityCorrection::kMCHists; j++) | |
2411 | { | |
2412 | data[i]->GetMultiplicityVtx(j)->Scale(ratio[i]); | |
2413 | data[i]->GetMultiplicityMB(j)->Scale(ratio[i]); | |
2414 | data[i]->GetMultiplicityINEL(j)->Scale(ratio[i]); | |
69b09e3b | 2415 | data[i]->GetMultiplicityNSD(j)->Scale(ratio[i]); |
0b4bfd98 | 2416 | } |
2417 | ||
2418 | for (Int_t j=0; j<AliMultiplicityCorrection::kESDHists; j++) | |
2419 | data[i]->GetMultiplicityESD(j)->Scale(ratio[i]); | |
2420 | ||
2421 | for (Int_t j=0; j<AliMultiplicityCorrection::kCorrHists; j++) | |
2422 | data[i]->GetCorrelation(j)->Scale(ratio[i]); | |
2423 | ||
2424 | if (i > 0) | |
2425 | list.Add(data[i]); | |
2426 | } | |
2427 | ||
2428 | printf("Case %d, %s: Entries in response matrix 3: ND: %.2f SD: %.2f DD: %.2f", num, data[0]->GetName(), data[0]->GetCorrelation(3)->Integral(), data[1]->GetCorrelation(3)->Integral(), data[2]->GetCorrelation(3)->Integral()); | |
2429 | ||
2430 | data[0]->Merge(&list); | |
2431 | ||
2432 | Printf(" Total: %.2f", data[0]->GetCorrelation(3)->Integral()); | |
2433 | ||
2434 | TFile::Open(output, "UPDATE"); | |
2435 | data[0]->SaveHistograms(); | |
2436 | gFile->Close(); | |
2437 | ||
2438 | list.Clear(); | |
2439 | ||
2440 | for (Int_t i=0; i<3; ++i) | |
2441 | delete data[i]; | |
2442 | } | |
2443 | } | |
44466df2 | 2444 | |
2445 | void Rebin(const char* fileName = "multiplicityMC_3M.root", Int_t corrMatrix = 3) | |
2446 | { | |
2447 | // rebins MC axis of correlation map, MC and histogram for corrected (for evaluation of effect of regularization) | |
2448 | // rebin does not exist for 3D hists, so we convert to 2D and then back to 3D (loosing the vertex information) | |
2449 | ||
2450 | Printf("WARNING: Vertex information is lost in this process. Use result only for evaluation of errors."); | |
2451 | ||
2452 | gSystem->Load("libPWG0base"); | |
2453 | ||
2454 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2455 | ||
2456 | TFile::Open(fileName); | |
2457 | mult->LoadHistograms("Multiplicity"); | |
2458 | ||
2459 | // rebin correlation | |
2460 | TH3* old = mult->GetCorrelation(corrMatrix); | |
2461 | ||
2462 | // empty under/overflow bins in x, otherwise Project3D takes them into account | |
2463 | for (Int_t y=1; y<=old->GetYaxis()->GetNbins(); ++y) | |
2464 | { | |
2465 | for (Int_t z=1; z<=old->GetZaxis()->GetNbins(); ++z) | |
2466 | { | |
2467 | old->SetBinContent(0, y, z, 0); | |
2468 | old->SetBinContent(old->GetXaxis()->GetNbins()+1, y, z, 0); | |
2469 | } | |
2470 | } | |
2471 | ||
2472 | TH2* response = (TH2*) old->Project3D("zy"); | |
2473 | response->RebinX(2); | |
2474 | ||
2475 | TH3F* new = new TH3F(old->GetName(), old->GetTitle(), | |
2476 | old->GetXaxis()->GetNbins(), old->GetXaxis()->GetBinLowEdge(1), old->GetXaxis()->GetBinUpEdge(old->GetXaxis()->GetNbins()), | |
2477 | old->GetYaxis()->GetNbins() / 2, old->GetYaxis()->GetBinLowEdge(1), old->GetYaxis()->GetBinUpEdge(old->GetYaxis()->GetNbins()), | |
2478 | old->GetZaxis()->GetNbins(), old->GetZaxis()->GetBinLowEdge(1), old->GetZaxis()->GetBinUpEdge(old->GetZaxis()->GetNbins())); | |
2479 | new->Reset(); | |
2480 | ||
2481 | Int_t vtxBin = new->GetNbinsX() / 2; | |
2482 | if (vtxBin == 0) | |
2483 | vtxBin = 1; | |
2484 | ||
2485 | for (Int_t i=1; i<=new->GetYaxis()->GetNbins(); i+=1) | |
2486 | for (Int_t j=1; j<=new->GetZaxis()->GetNbins(); j+=1) | |
2487 | new->SetBinContent(vtxBin, i, j, response->GetBinContent(i, j)); | |
2488 | ||
2489 | // rebin MC + hist for corrected | |
2490 | for (AliMultiplicityCorrection::EventType eventType = AliMultiplicityCorrection::kTrVtx; eventType <= AliMultiplicityCorrection::kINEL; eventType++) | |
2491 | mult->GetMultiplicityMC(corrMatrix, eventType)->RebinY(2); | |
2492 | ||
2493 | mult->GetMultiplicityESDCorrected(corrMatrix)->Rebin(2); | |
2494 | ||
2495 | // recreate measured from correlation matrix to get rid of vertex shift effect | |
2496 | TH2* newMeasured = (TH2*) old->Project3D("zx"); | |
2497 | TH2* esd = mult->GetMultiplicityESD(corrMatrix); | |
2498 | esd->Reset(); | |
2499 | ||
2500 | // transfer from TH2D to TH2F | |
2501 | for (Int_t i=0; i<=new->GetXaxis()->GetNbins()+1; i+=1) | |
2502 | for (Int_t j=0; j<=new->GetYaxis()->GetNbins()+1; j+=1) | |
2503 | esd->SetBinContent(i, j, newMeasured->GetBinContent(i, j)); | |
2504 | ||
2505 | new TCanvas; | |
2506 | new->Project3D("zy")->DrawCopy("COLZ"); | |
2507 | ||
2508 | TFile* file = TFile::Open("out.root", "RECREATE"); | |
2509 | mult->SetCorrelation(corrMatrix, new); | |
2510 | mult->SaveHistograms(); | |
2511 | file->Close(); | |
2512 | } | |
2513 | ||
2514 | void EvaluateRegularizationEffect(Int_t step, const char* fileNameRebinned = "multiplicityMC_3M_rebinned.root", const char* fileNameNormal = "multiplicityMC_3M.root", Int_t histID = 3) | |
2515 | { | |
2516 | // due to some static members in AliMultiplicityCorrection, the session has to be restarted after changing the number of parameters, to be fixed | |
2517 | // that is why this is done in 2 steps | |
2518 | ||
2519 | gSystem->Load("libPWG0base"); | |
2520 | ||
2521 | Bool_t fullPhaseSpace = kFALSE; | |
2522 | ||
2523 | if (step == 1) | |
2524 | { | |
2525 | // first step: unfold without regularization and rebinned histogram ("N=M") | |
2526 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2527 | TFile::Open(fileNameRebinned); | |
2528 | mult->LoadHistograms(); | |
2529 | ||
2530 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kNone, 0, 125); | |
2531 | mult->SetCreateBigBin(kFALSE); | |
2532 | ||
2533 | mult->ApplyMinuitFit(histID, fullPhaseSpace, AliMultiplicityCorrection::kTrVtx, kFALSE); | |
2534 | mult->DrawComparison("MinuitChi2", histID, fullPhaseSpace, kTRUE, mult->GetMultiplicityVtx(histID)->ProjectionY("mymchist")); | |
2535 | ||
2536 | TFile* file = TFile::Open("EvaluateRegularizationEffect1.root", "RECREATE"); | |
2537 | mult->SaveHistograms(); | |
2538 | file->Close(); | |
2539 | } | |
2540 | else if (step == 2) | |
2541 | { | |
2542 | // second step: unfold with regularization and normal histogram | |
2543 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2544 | TFile::Open(fileNameNormal); | |
2545 | mult2->LoadHistograms(); | |
2546 | ||
2547 | mult2->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 1e4); | |
2548 | mult2->SetCreateBigBin(kTRUE); | |
2549 | mult2->ApplyMinuitFit(histID, fullPhaseSpace, AliMultiplicityCorrection::kTrVtx, kFALSE); | |
2550 | mult2->DrawComparison("MinuitChi2", histID, fullPhaseSpace, kTRUE, mult2->GetMultiplicityVtx(histID)->ProjectionY("mymchist")); | |
2551 | ||
2552 | TH1* result2 = mult2->GetMultiplicityESDCorrected(histID); | |
2553 | ||
2554 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2555 | TFile* file = TFile::Open("EvaluateRegularizationEffect1.root"); | |
2556 | mult->LoadHistograms(); | |
2557 | ||
2558 | TH1* result1 = mult->GetMultiplicityESDCorrected(histID); | |
2559 | ||
2560 | // compare results | |
2561 | TCanvas* canvas = new TCanvas("EvaluateRegularizationEffect", "EvaluateRegularizationEffect", 1000, 800); | |
2562 | canvas->Divide(2, 2); | |
2563 | ||
2564 | canvas->cd(1); | |
2565 | result1->SetLineColor(1); | |
2566 | result1->DrawCopy(); | |
2567 | result2->SetLineColor(2); | |
2568 | result2->DrawCopy("SAME"); | |
2569 | gPad->SetLogy(); | |
2570 | ||
2571 | result2->Rebin(2); | |
2572 | result1->Scale(1.0 / result1->Integral()); | |
2573 | result2->Scale(1.0 / result2->Integral()); | |
2574 | ||
2575 | canvas->cd(2); | |
2576 | result1->DrawCopy(); | |
2577 | result2->DrawCopy("SAME"); | |
2578 | gPad->SetLogy(); | |
2579 | ||
2580 | TH1* diff = (TH1*) result1->Clone("diff"); | |
2581 | diff->Add(result2, -1); | |
2582 | ||
2583 | canvas->cd(3); | |
2584 | diff->DrawCopy("HIST"); | |
2585 | ||
2586 | canvas->cd(4); | |
2587 | diff->Divide(result1); | |
2588 | diff->GetYaxis()->SetRangeUser(-0.3, 0.3); | |
2589 | diff->DrawCopy("HIST"); | |
2590 | ||
2591 | Double_t chi2 = 0; | |
2592 | for (Int_t i=1; i<=diff->GetNbinsX(); i++) | |
2593 | chi2 += diff->GetBinContent(i) * diff->GetBinContent(i); | |
2594 | ||
2595 | Printf("Chi2 is %e", chi2); | |
2596 | ||
2597 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
2598 | } | |
2599 | } |