]>
Commit | Line | Data |
---|---|---|
f3eb27f6 | 1 | /* $Id$ */ |
2 | ||
3 | // | |
4 | // plots for the note about multplicity measurements | |
5 | // | |
6 | ||
7 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
8 | ||
9 | #include <TCanvas.h> | |
10 | #include <TPad.h> | |
11 | #include <TH1F.h> | |
12 | #include <TH2F.h> | |
13 | #include <TH3F.h> | |
14 | #include <TLine.h> | |
15 | #include <TF1.h> | |
16 | #include <TSystem.h> | |
17 | #include <TFile.h> | |
18 | #include <TLegend.h> | |
19 | #include <TStopwatch.h> | |
20 | #include <TROOT.h> | |
21 | #include <TGraph.h> | |
22 | #include <TMath.h> | |
23 | #include <TPaveText.h> | |
24 | #include <TImage.h> | |
25 | #include <TLatex.h> | |
26 | ||
27 | #include "AliMultiplicityCorrection.h" | |
28 | #include "AliCorrection.h" | |
29 | #include "AliCorrectionMatrix3D.h" | |
30 | ||
31 | #endif | |
32 | ||
69b09e3b | 33 | const char* correctionFile = "multiplicityMC.root"; |
34 | const char* measuredFile = "multiplicityESD.root"; | |
35 | Int_t etaRange = 1; | |
36 | Int_t displayRange = 80; // axis range | |
f3eb27f6 | 37 | Int_t ratioRange = 151; // range to calculate difference |
69b09e3b | 38 | Int_t longDisplayRange = 120; |
f3eb27f6 | 39 | |
40 | const char* correctionFileTPC = "multiplicityMC_TPC_1.4M.root"; | |
41 | const char* measuredFileTPC = "multiplicityMC_TPC_0.6M.root"; | |
42 | Int_t etaRangeTPC = 1; | |
43 | ||
5a6310fe | 44 | void loadlibs() |
45 | { | |
46 | gSystem->Load("libANALYSIS"); | |
47 | gSystem->Load("libPWG0base"); | |
48 | } | |
49 | ||
f3eb27f6 | 50 | void SetTPC() |
51 | { | |
52 | correctionFile = correctionFileTPC; | |
53 | measuredFile = measuredFileTPC; | |
54 | etaRange = etaRangeTPC; | |
55 | displayRange = 100; | |
56 | ratioRange = 76; | |
57 | longDisplayRange = 100; | |
58 | } | |
59 | ||
69b09e3b | 60 | const char* GetMultLabel(Int_t etaR = -1, Bool_t trueM = kTRUE) |
61 | { | |
62 | if (etaR == -1) | |
63 | etaR = etaRange; | |
64 | ||
65 | TString tmpStr((trueM) ? "True " : "Measured "); | |
66 | ||
67 | tmpStr += "multiplicity"; | |
68 | //return Form("%s", tmpStr.Data()); | |
69 | ||
70 | if (etaR == 4) | |
71 | { | |
72 | tmpStr += " (full phase space)"; | |
73 | } | |
74 | else | |
75 | tmpStr += Form(" in |#eta| < %.1f", (etaR+1)* 0.5); | |
76 | return Form("%s", tmpStr.Data()); | |
77 | } | |
78 | ||
f3eb27f6 | 79 | void Smooth(TH1* hist, Int_t windowWidth = 20) |
80 | { | |
81 | TH1* clone = (TH1*) hist->Clone("clone"); | |
82 | for (Int_t bin=2; bin<=clone->GetNbinsX(); ++bin) | |
83 | { | |
84 | Int_t min = TMath::Max(2, bin-windowWidth); | |
85 | Int_t max = TMath::Min(clone->GetNbinsX(), bin+windowWidth); | |
86 | Float_t average = clone->Integral(min, max) / (max - min + 1); | |
87 | ||
88 | hist->SetBinContent(bin, average); | |
89 | hist->SetBinError(bin, 0); | |
90 | } | |
91 | ||
92 | delete clone; | |
93 | } | |
94 | ||
69b09e3b | 95 | void responseMatrixPlot(const char* fileName = 0) |
f3eb27f6 | 96 | { |
69b09e3b | 97 | loadlibs(); |
f3eb27f6 | 98 | |
99 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
100 | ||
69b09e3b | 101 | if (fileName == 0) |
102 | fileName = correctionFile; | |
103 | ||
104 | TFile::Open(fileName); | |
f3eb27f6 | 105 | mult->LoadHistograms("Multiplicity"); |
106 | ||
69b09e3b | 107 | // empty under/overflow bins in x, otherwise Project3D takes them into account |
108 | TH1* hist = mult->GetCorrelation(etaRange); | |
109 | for (Int_t y=0; y<=hist->GetYaxis()->GetNbins()+1; ++y) | |
110 | { | |
111 | for (Int_t z=0; z<=hist->GetZaxis()->GetNbins()+1; ++z) | |
112 | { | |
113 | hist->SetBinContent(0, y, z, 0); | |
114 | hist->SetBinContent(hist->GetXaxis()->GetNbins()+1, y, z, 0); | |
115 | } | |
116 | } | |
117 | hist = ((TH3*) mult->GetCorrelation(etaRange))->Project3D("zy"); | |
f3eb27f6 | 118 | hist->SetStats(kFALSE); |
119 | ||
69b09e3b | 120 | hist->SetTitle(Form(";%s;%s;Entries", GetMultLabel(), GetMultLabel(etaRange, kFALSE))); |
f3eb27f6 | 121 | hist->GetXaxis()->SetRangeUser(0, longDisplayRange); |
122 | hist->GetYaxis()->SetRangeUser(0, longDisplayRange); | |
69b09e3b | 123 | |
124 | hist->GetYaxis()->SetTitleOffset(1.3); | |
125 | hist->GetZaxis()->SetTitleOffset(1.2); | |
f3eb27f6 | 126 | |
69b09e3b | 127 | TCanvas* canvas = new TCanvas("c1", "c1", 600, 600); |
f3eb27f6 | 128 | canvas->SetRightMargin(0.15); |
129 | canvas->SetTopMargin(0.05); | |
130 | ||
131 | gPad->SetLogz(); | |
132 | hist->Draw("COLZ"); | |
133 | ||
134 | canvas->SaveAs("responsematrix.eps"); | |
135 | } | |
136 | ||
69b09e3b | 137 | void multPythiaPhojet() |
138 | { | |
139 | loadlibs(); | |
140 | ||
141 | TFile::Open("LHC08c11_10TeV_0.5T/mb1/spd/multiplicity.root"); | |
142 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
143 | mult->LoadHistograms("Multiplicity"); | |
144 | hist1 = mult->GetMultiplicityINEL(1)->ProjectionY(); | |
145 | hist1->Sumw2(); | |
146 | ||
147 | TFile::Open("LHC08c15_10TeV_0.5T_Phojet/mb1/spd/multiplicity.root"); | |
148 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
149 | mult->LoadHistograms("Multiplicity"); | |
150 | hist2 = mult->GetMultiplicityINEL(1)->ProjectionY(); | |
151 | hist2->Sumw2(); | |
152 | ||
153 | legend = new TLegend(0.6, 0.7, 0.9, 0.9); | |
154 | legend->SetFillColor(0); | |
155 | legend->SetTextSize(0.04); | |
156 | legend->AddEntry(hist1, "Pythia", "L"); | |
157 | legend->AddEntry(hist2, "Phojet", "L"); | |
158 | ||
159 | c1 = new TCanvas("c", "c", 600, 600); | |
160 | c1->SetTopMargin(0.05); | |
161 | c1->SetRightMargin(0.05); | |
162 | c1->SetLeftMargin(0.12); | |
163 | c1->SetGridx(); | |
164 | c1->SetGridy(); | |
165 | c1->SetLogy(); | |
166 | ||
167 | //hist1->SetMarkerStyle(20); | |
168 | //hist2->SetMarkerStyle(24); | |
169 | //hist2->SetMarkerColor(2); | |
170 | hist1->SetLineWidth(2); | |
171 | hist2->SetLineWidth(2); | |
172 | hist2->SetLineStyle(2); | |
173 | hist2->SetLineColor(2); | |
174 | ||
175 | hist1->Scale(1.0 / hist1->Integral()); | |
176 | hist2->Scale(1.0 / hist2->Integral()); | |
177 | ||
178 | hist1->SetStats(0); | |
179 | hist1->GetYaxis()->SetTitleOffset(1.3); | |
180 | hist1->GetXaxis()->SetRangeUser(0, 100); | |
181 | hist1->SetTitle(";N_{ch};P(N_{ch})"); | |
182 | ||
183 | hist1->Draw(""); | |
184 | hist2->Draw("SAME"); | |
185 | legend->Draw(); | |
186 | ||
187 | c1->SaveAs("mult_pythia_phojet.eps"); | |
188 | } | |
189 | ||
f3eb27f6 | 190 | TCanvas* DrawResultRatio(TH1* mcHist, TH1* result, TString epsName) |
191 | { | |
192 | // normalize unfolded result to mc hist | |
69b09e3b | 193 | result->Scale(1.0 / result->Integral(2, displayRange)); |
194 | result->Scale(mcHist->Integral(2, displayRange)); | |
f3eb27f6 | 195 | |
196 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 600); | |
197 | canvas->Range(0, 0, 1, 1); | |
198 | ||
199 | TPad* pad1 = new TPad(Form("%s_pad1", epsName.Data()), "", 0, 0.5, 0.98, 0.98); | |
200 | pad1->Draw(); | |
201 | ||
202 | TPad* pad2 = new TPad(Form("%s_pad2", epsName.Data()), "", 0, 0.02, 0.98, 0.5); | |
203 | pad2->Draw(); | |
204 | ||
205 | pad1->SetRightMargin(0.05); | |
206 | pad2->SetRightMargin(0.05); | |
207 | ||
208 | // no border between them | |
209 | pad1->SetBottomMargin(0); | |
210 | pad2->SetTopMargin(0); | |
211 | ||
212 | pad1->cd(); | |
69b09e3b | 213 | pad1->SetGridx(); |
214 | pad1->SetGridy(); | |
f3eb27f6 | 215 | |
216 | mcHist->GetXaxis()->SetLabelSize(0.06); | |
217 | mcHist->GetYaxis()->SetLabelSize(0.06); | |
218 | mcHist->GetXaxis()->SetTitleSize(0.06); | |
219 | mcHist->GetYaxis()->SetTitleSize(0.06); | |
220 | mcHist->GetYaxis()->SetTitleOffset(0.6); | |
221 | ||
222 | mcHist->GetXaxis()->SetRangeUser(0, displayRange); | |
223 | ||
69b09e3b | 224 | mcHist->SetTitle(Form(";%s;Entries", GetMultLabel())); |
f3eb27f6 | 225 | mcHist->SetStats(kFALSE); |
226 | ||
227 | mcHist->DrawCopy("HIST E"); | |
228 | gPad->SetLogy(); | |
229 | ||
230 | result->SetLineColor(2); | |
69b09e3b | 231 | result->SetMarkerColor(2); |
232 | result->SetMarkerStyle(5); | |
233 | result->DrawCopy("SAME PE"); | |
f3eb27f6 | 234 | |
235 | TLegend* legend = new TLegend(0.6, 0.65, 0.95, 0.9); | |
69b09e3b | 236 | legend->AddEntry(mcHist, "True distribution"); |
237 | legend->AddEntry(result, "Unfolded distribution", "P"); | |
f3eb27f6 | 238 | legend->SetFillColor(0); |
239 | legend->Draw(); | |
240 | ||
241 | pad2->cd(); | |
242 | pad2->SetBottomMargin(0.15); | |
243 | ||
244 | // calculate ratio | |
245 | mcHist->Sumw2(); | |
246 | TH1* ratio = (TH1*) mcHist->Clone("ratio"); | |
247 | result->Sumw2(); | |
248 | ratio->Divide(ratio, result, 1, 1, ""); | |
249 | ratio->GetYaxis()->SetTitle("Ratio (true / unfolded)"); | |
250 | ratio->GetYaxis()->SetRangeUser(0.55, 1.45); | |
251 | ||
252 | ratio->DrawCopy(); | |
253 | ||
254 | // get average of ratio | |
255 | Float_t sum = 0; | |
256 | for (Int_t i=2; i<=ratioRange; ++i) | |
257 | { | |
258 | sum += TMath::Abs(ratio->GetBinContent(i) - 1); | |
259 | } | |
260 | sum /= ratioRange-1; | |
261 | ||
262 | printf("Average (2..%d) of |ratio - 1| is %f\n", ratioRange, sum); | |
263 | ||
264 | TLine* line = new TLine(0, 1, displayRange, 1); | |
265 | line->SetLineWidth(2); | |
266 | line->Draw(); | |
267 | ||
268 | line = new TLine(0, 1.1, displayRange, 1.1); | |
269 | line->SetLineWidth(2); | |
270 | line->SetLineStyle(2); | |
271 | line->Draw(); | |
272 | line = new TLine(0, 0.9, displayRange, 0.9); | |
273 | line->SetLineWidth(2); | |
274 | line->SetLineStyle(2); | |
275 | line->Draw(); | |
276 | ||
277 | canvas->Modified(); | |
278 | ||
279 | canvas->SaveAs(epsName); | |
280 | ||
281 | return canvas; | |
282 | } | |
283 | ||
284 | TCanvas* Draw2ResultRatio(TH1* mcHist, TH1* result1, TH1* result2, TString epsName) | |
285 | { | |
286 | // draws the 3 plots in the upper plot | |
287 | // draws the ratio between result1 and result2 in the lower plot | |
288 | ||
69b09e3b | 289 | // normalize unfolded result to mc hist |
290 | result1->Scale(1.0 / result1->Integral(2, displayRange)); | |
291 | result1->Scale(mcHist->Integral(2, displayRange)); | |
292 | result2->Scale(1.0 / result2->Integral(2, displayRange)); | |
293 | result2->Scale(mcHist->Integral(2, displayRange)); | |
294 | ||
295 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 600); | |
296 | canvas->Range(0, 0, 1, 1); | |
297 | ||
298 | TPad* pad1 = new TPad(Form("%s_pad1", epsName.Data()), "", 0, 0.5, 0.98, 0.98); | |
299 | pad1->Draw(); | |
300 | ||
301 | TPad* pad2 = new TPad(Form("%s_pad2", epsName.Data()), "", 0, 0.02, 0.98, 0.5); | |
302 | pad2->Draw(); | |
303 | ||
304 | pad1->SetRightMargin(0.05); | |
305 | pad2->SetRightMargin(0.05); | |
306 | ||
307 | // no border between them | |
308 | pad1->SetBottomMargin(0); | |
309 | pad2->SetTopMargin(0); | |
310 | ||
311 | pad1->cd(); | |
312 | gPad->SetGridx(); | |
313 | gPad->SetGridy(); | |
314 | ||
315 | mcHist->GetXaxis()->SetLabelSize(0.06); | |
316 | mcHist->GetYaxis()->SetLabelSize(0.06); | |
317 | mcHist->GetXaxis()->SetTitleSize(0.06); | |
318 | mcHist->GetYaxis()->SetTitleSize(0.06); | |
319 | mcHist->GetYaxis()->SetTitleOffset(0.6); | |
320 | ||
321 | mcHist->GetXaxis()->SetRangeUser(0, displayRange); | |
322 | ||
323 | mcHist->SetTitle(";true multiplicity;Entries"); | |
324 | mcHist->SetStats(kFALSE); | |
325 | ||
326 | mcHist->DrawCopy("HIST E"); | |
327 | gPad->SetLogy(); | |
328 | ||
329 | result1->SetLineColor(2); | |
330 | result1->SetMarkerStyle(24); | |
331 | result1->DrawCopy("SAME HISTE"); | |
332 | ||
333 | result2->SetLineColor(4); | |
334 | result2->SetMarkerColor(4); | |
335 | result2->DrawCopy("SAME HISTE"); | |
336 | ||
337 | TLegend* legend = new TLegend(0.5, 0.6, 0.95, 0.9); | |
338 | legend->AddEntry(mcHist, "True distribution"); | |
339 | legend->AddEntry(result1, "Unfolded distribution (syst)", "P"); | |
340 | legend->AddEntry(result2, "Unfolded distribution (normal)", "P"); | |
341 | legend->SetFillColor(0); | |
342 | legend->SetTextSize(0.06); | |
343 | legend->Draw(); | |
344 | ||
345 | pad2->cd(); | |
346 | pad2->SetBottomMargin(0.15); | |
347 | //gPad->SetGridx(); | |
348 | //gPad->SetGridy(); | |
349 | ||
350 | result1->GetXaxis()->SetLabelSize(0.06); | |
351 | result1->GetYaxis()->SetLabelSize(0.06); | |
352 | result1->GetXaxis()->SetTitleSize(0.06); | |
353 | result1->GetYaxis()->SetTitleSize(0.06); | |
354 | result1->GetYaxis()->SetTitleOffset(0.6); | |
355 | ||
356 | result1->GetXaxis()->SetRangeUser(0, displayRange); | |
357 | ||
358 | result1->SetTitle(Form(";%s;Entries", GetMultLabel())); | |
359 | result1->SetStats(kFALSE); | |
360 | ||
361 | // calculate ratio | |
362 | result1->Sumw2(); | |
363 | TH1* ratio = (TH1*) result1->Clone("ratio"); | |
364 | result2->Sumw2(); | |
365 | ratio->Divide(ratio, result2, 1, 1, ""); | |
366 | ratio->SetLineColor(1); | |
367 | ratio->SetMarkerColor(1); | |
368 | ratio->SetMarkerStyle(0); | |
369 | ratio->GetYaxis()->SetTitle("Ratio (syst / normal)"); | |
370 | ratio->GetYaxis()->SetRangeUser(0.55, 1.45); | |
371 | ||
372 | ratio->DrawCopy(); | |
373 | ||
374 | // get average of ratio | |
375 | Float_t sum = 0; | |
376 | for (Int_t i=2; i<=ratioRange; ++i) | |
377 | { | |
378 | sum += TMath::Abs(ratio->GetBinContent(i) - 1); | |
379 | } | |
380 | sum /= ratioRange-1; | |
381 | ||
382 | printf("Average (2..%d) of |ratio - 1| is %f\n", ratioRange, sum); | |
383 | ||
384 | TLine* line = new TLine(0, 1, displayRange, 1); | |
385 | line->SetLineWidth(2); | |
386 | line->Draw(); | |
387 | ||
388 | line = new TLine(0, 1.1, displayRange, 1.1); | |
389 | line->SetLineWidth(2); | |
390 | line->SetLineStyle(2); | |
391 | line->Draw(); | |
392 | line = new TLine(0, 0.9, displayRange, 0.9); | |
393 | line->SetLineWidth(2); | |
394 | line->SetLineStyle(2); | |
395 | line->Draw(); | |
396 | ||
397 | canvas->Modified(); | |
398 | ||
399 | canvas->SaveAs(epsName); | |
400 | ||
401 | return canvas; | |
402 | } | |
403 | ||
404 | TCanvas* Draw2ResultRatios(TH1* mcHist, TH1* result1, TH1* result2, TH1* ratio2, TH1* ratio3, TString epsName) | |
405 | { | |
406 | // draws the 3 plots in the upper plot | |
407 | // draws the ratio between result1 and result2 in the lower plot | |
408 | // also draws ratio2 and ratio3 in the lower plot, uses their name for the legend | |
409 | ||
f3eb27f6 | 410 | // normalize unfolded result to mc hist |
411 | result1->Scale(1.0 / result1->Integral(2, 200)); | |
412 | result1->Scale(mcHist->Integral(2, 200)); | |
413 | result2->Scale(1.0 / result2->Integral(2, 200)); | |
414 | result2->Scale(mcHist->Integral(2, 200)); | |
415 | ||
416 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 600); | |
417 | canvas->Range(0, 0, 1, 1); | |
418 | ||
419 | TPad* pad1 = new TPad(Form("%s_pad1", epsName.Data()), "", 0, 0.5, 0.98, 0.98); | |
420 | pad1->Draw(); | |
421 | ||
422 | TPad* pad2 = new TPad(Form("%s_pad2", epsName.Data()), "", 0, 0.02, 0.98, 0.5); | |
423 | pad2->Draw(); | |
424 | ||
425 | pad1->SetRightMargin(0.05); | |
426 | pad2->SetRightMargin(0.05); | |
427 | ||
428 | // no border between them | |
429 | pad1->SetBottomMargin(0); | |
430 | pad2->SetTopMargin(0); | |
431 | ||
432 | pad1->cd(); | |
69b09e3b | 433 | gPad->SetGridx(); |
434 | gPad->SetGridy(); | |
f3eb27f6 | 435 | |
436 | mcHist->GetXaxis()->SetLabelSize(0.06); | |
437 | mcHist->GetYaxis()->SetLabelSize(0.06); | |
438 | mcHist->GetXaxis()->SetTitleSize(0.06); | |
439 | mcHist->GetYaxis()->SetTitleSize(0.06); | |
440 | mcHist->GetYaxis()->SetTitleOffset(0.6); | |
441 | ||
442 | mcHist->GetXaxis()->SetRangeUser(0, displayRange); | |
443 | ||
69b09e3b | 444 | mcHist->SetTitle(";True multiplicity;Entries"); |
f3eb27f6 | 445 | mcHist->SetStats(kFALSE); |
446 | ||
447 | mcHist->DrawCopy("HIST E"); | |
448 | gPad->SetLogy(); | |
449 | ||
450 | result1->SetLineColor(2); | |
69b09e3b | 451 | result1->SetMarkerColor(2); |
452 | result1->SetMarkerStyle(24); | |
f3eb27f6 | 453 | result1->DrawCopy("SAME HISTE"); |
454 | ||
455 | result2->SetLineColor(4); | |
69b09e3b | 456 | result2->SetMarkerColor(4); |
457 | result2->SetMarkerStyle(5); | |
f3eb27f6 | 458 | result2->DrawCopy("SAME HISTE"); |
459 | ||
460 | TLegend* legend = new TLegend(0.55, 0.6, 0.95, 0.9); | |
69b09e3b | 461 | legend->AddEntry(mcHist, "True distribution"); |
462 | legend->AddEntry(result1, "Unfolded distribution (5%)", "P"); | |
463 | legend->AddEntry(result2, "Unfolded distribution (normal)", "P"); | |
f3eb27f6 | 464 | legend->SetFillColor(0); |
69b09e3b | 465 | legend->SetTextSize(0.06); |
f3eb27f6 | 466 | legend->Draw(); |
467 | ||
468 | pad2->cd(); | |
469 | pad2->SetBottomMargin(0.15); | |
69b09e3b | 470 | //gPad->SetGridx(); |
471 | //gPad->SetGridy(); | |
f3eb27f6 | 472 | |
473 | result1->GetXaxis()->SetLabelSize(0.06); | |
474 | result1->GetYaxis()->SetLabelSize(0.06); | |
475 | result1->GetXaxis()->SetTitleSize(0.06); | |
476 | result1->GetYaxis()->SetTitleSize(0.06); | |
477 | result1->GetYaxis()->SetTitleOffset(0.6); | |
478 | ||
479 | result1->GetXaxis()->SetRangeUser(0, displayRange); | |
480 | ||
69b09e3b | 481 | result1->SetTitle(Form(";%s;Entries", GetMultLabel())); |
f3eb27f6 | 482 | result1->SetStats(kFALSE); |
483 | ||
484 | // calculate ratio | |
485 | result1->Sumw2(); | |
486 | TH1* ratio = (TH1*) result1->Clone("ratio"); | |
487 | result2->Sumw2(); | |
488 | ratio->Divide(ratio, result2, 1, 1, ""); | |
69b09e3b | 489 | ratio->SetLineColor(1); |
490 | ratio->SetMarkerColor(1); | |
491 | ratio->SetMarkerStyle(24); | |
492 | ratio->GetYaxis()->SetTitle("Ratio (change / normal)"); | |
f3eb27f6 | 493 | ratio->GetYaxis()->SetRangeUser(0.55, 1.45); |
494 | ||
69b09e3b | 495 | ratio2->SetLineColor(2); |
496 | ratio2->SetMarkerColor(2); | |
497 | ratio2->SetMarkerStyle(25); | |
498 | ||
499 | ratio3->SetLineColor(4); | |
500 | ratio3->SetMarkerColor(4); | |
501 | ratio3->SetMarkerStyle(26); | |
502 | ||
f3eb27f6 | 503 | ratio->DrawCopy(); |
69b09e3b | 504 | ratio2->DrawCopy("SAME"); |
505 | ratio3->DrawCopy("SAME"); | |
506 | ||
507 | legend2 = new TLegend(0.3, 0.8, 0.8, 0.95); | |
508 | legend2->SetNColumns(3); | |
509 | legend2->SetFillColor(0); | |
510 | legend2->SetTextSize(0.06); | |
511 | legend2->AddEntry(ratio, "5% change", "P"); | |
512 | legend2->AddEntry(ratio2, "2% change", "P"); | |
513 | legend2->AddEntry(ratio3, "1% change", "P"); | |
514 | legend2->Draw(); | |
f3eb27f6 | 515 | |
516 | // get average of ratio | |
517 | Float_t sum = 0; | |
518 | for (Int_t i=2; i<=ratioRange; ++i) | |
519 | { | |
520 | sum += TMath::Abs(ratio->GetBinContent(i) - 1); | |
521 | } | |
522 | sum /= ratioRange-1; | |
523 | ||
524 | printf("Average (2..%d) of |ratio - 1| is %f\n", ratioRange, sum); | |
525 | ||
526 | TLine* line = new TLine(0, 1, displayRange, 1); | |
527 | line->SetLineWidth(2); | |
528 | line->Draw(); | |
529 | ||
530 | line = new TLine(0, 1.1, displayRange, 1.1); | |
531 | line->SetLineWidth(2); | |
532 | line->SetLineStyle(2); | |
533 | line->Draw(); | |
534 | line = new TLine(0, 0.9, displayRange, 0.9); | |
535 | line->SetLineWidth(2); | |
536 | line->SetLineStyle(2); | |
537 | line->Draw(); | |
538 | ||
539 | canvas->Modified(); | |
540 | ||
541 | canvas->SaveAs(epsName); | |
542 | ||
543 | return canvas; | |
544 | } | |
545 | ||
546 | TCanvas* DrawRatio(TH1* result, Int_t nResultSyst, TH1** resultSyst, TString epsName, Bool_t firstMarker = kFALSE, const char** legendStrings = 0, Bool_t errors = kFALSE) | |
547 | { | |
548 | // compares n results with first results. E.g. one gained with the default response, another with a changed one to study | |
549 | // a systematic effect | |
550 | ||
551 | // normalize results | |
552 | result->Scale(1.0 / result->Integral(2, 200)); | |
553 | ||
69b09e3b | 554 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 500); |
f3eb27f6 | 555 | canvas->SetTopMargin(0.05); |
556 | canvas->SetRightMargin(0.05); | |
69b09e3b | 557 | canvas->SetGridx(); |
558 | canvas->SetGridy(); | |
f3eb27f6 | 559 | |
560 | result->GetXaxis()->SetRangeUser(0, displayRange); | |
561 | result->GetYaxis()->SetRangeUser(0.55, 1.45); | |
562 | result->SetStats(kFALSE); | |
563 | ||
564 | // to get the axis how we want it | |
565 | TH1* dummy = (TH1*) result->Clone("dummy"); | |
566 | dummy->Reset(); | |
69b09e3b | 567 | dummy->SetTitle(Form(";%s;Ratio", GetMultLabel())); |
f3eb27f6 | 568 | dummy->DrawCopy(); |
569 | delete dummy; | |
570 | ||
571 | Int_t colors[] = {1, 2, 4, 6, 7, 8, 9, 10}; | |
572 | ||
69b09e3b | 573 | TLegend* legend = new TLegend(0.2, 0.7, 0.7, 0.93); |
f3eb27f6 | 574 | legend->SetFillColor(0); |
69b09e3b | 575 | legend->SetTextSize(0.04); |
576 | if (nResultSyst > 6) | |
577 | legend->SetNColumns(2); | |
f3eb27f6 | 578 | |
579 | for (Int_t n=0; n<nResultSyst; ++n) | |
580 | { | |
581 | resultSyst[n]->Scale(1.0 / resultSyst[n]->Integral(2, 200)); | |
582 | ||
583 | // calculate ratio | |
584 | TH1* ratio = (TH1*) result->Clone("ratio"); | |
585 | ratio->Divide(ratio, resultSyst[n], 1, 1, ""); | |
69b09e3b | 586 | ratio->GetXaxis()->SetRangeUser(0, displayRange); |
f3eb27f6 | 587 | |
588 | if (firstMarker) | |
589 | ratio->SetMarkerStyle(5); | |
590 | ||
591 | ratio->SetLineColor(colors[n / 2]); | |
592 | if ((n % 2)) | |
593 | ratio->SetLineStyle(2); | |
594 | ||
595 | TString drawStr("SAME HIST"); | |
596 | if (n == 0 && firstMarker) | |
597 | drawStr = "SAME P"; | |
598 | if (errors) | |
599 | drawStr += " E"; | |
600 | ||
601 | ratio->DrawCopy(drawStr); | |
602 | ||
603 | if (legendStrings && legendStrings[n]) | |
69b09e3b | 604 | legend->AddEntry(ratio, legendStrings[n], "L"); |
f3eb27f6 | 605 | |
606 | // get average of ratio | |
607 | Float_t sum = 0; | |
608 | for (Int_t i=2; i<=ratioRange; ++i) | |
609 | sum += TMath::Abs(ratio->GetBinContent(i) - 1); | |
610 | sum /= ratioRange-1; | |
611 | ||
612 | printf("%d) Average (2..%d) of |ratio - 1| is %f\n", n, ratioRange, sum); | |
613 | } | |
614 | ||
615 | if (legendStrings) | |
616 | legend->Draw(); | |
617 | ||
69b09e3b | 618 | TLine* line = new TLine(-0.5, 1, displayRange, 1); |
f3eb27f6 | 619 | line->SetLineWidth(2); |
620 | line->Draw(); | |
621 | ||
69b09e3b | 622 | line = new TLine(-0.5, 1.1, displayRange, 1.1); |
f3eb27f6 | 623 | line->SetLineWidth(2); |
624 | line->SetLineStyle(2); | |
625 | line->Draw(); | |
69b09e3b | 626 | line = new TLine(-0.5, 0.9, displayRange, 0.9); |
f3eb27f6 | 627 | line->SetLineWidth(2); |
628 | line->SetLineStyle(2); | |
629 | line->Draw(); | |
630 | ||
631 | canvas->SaveAs(epsName); | |
632 | canvas->SaveAs(Form("%s.gif", epsName.Data())); | |
633 | ||
634 | return canvas; | |
635 | } | |
636 | ||
637 | TCanvas* DrawRatio(Int_t nResultSyst, TH1** mc, TH1** result, TString epsName, Bool_t smooth = kFALSE, Bool_t dashed = kFALSE) | |
638 | { | |
639 | // draws the ratios of each mc to the corresponding result | |
640 | ||
641 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 400); | |
642 | canvas->SetRightMargin(0.05); | |
643 | canvas->SetTopMargin(0.05); | |
644 | ||
645 | for (Int_t n=0; n<nResultSyst; ++n) | |
646 | { | |
647 | // normalize | |
648 | result[n]->Scale(1.0 / result[n]->Integral(2, 200)); | |
649 | mc[n]->Scale(1.0 / mc[n]->Integral(2, 200)); | |
650 | ||
651 | result[n]->GetXaxis()->SetRangeUser(0, displayRange); | |
652 | result[n]->SetStats(kFALSE); | |
653 | ||
654 | // calculate ratio | |
655 | TH1* ratio = (TH1*) result[n]->Clone("ratio"); | |
656 | ratio->Divide(mc[n], ratio, 1, 1, "B"); | |
657 | ||
658 | // SetRangeUser(1, ...) would be the same, but the 0 should be still on the axis... | |
659 | ratio->SetBinContent(1, 1); ratio->SetBinError(1, 0); | |
660 | ||
661 | if (smooth) | |
662 | Smooth(ratio); | |
663 | ||
664 | ratio->SetTitle(Form(";true multiplicity;Ratio (true / unfolded)%s", ((smooth) ? " (smoothed)" : ""))); | |
665 | ratio->GetYaxis()->SetRangeUser(0.55, 1.45); | |
666 | ||
667 | if (dashed) | |
668 | { | |
669 | ratio->SetLineColor((n/2)+1); | |
670 | ratio->SetLineStyle((n%2)+1); | |
671 | } | |
672 | else | |
673 | ratio->SetLineColor(n+1); | |
674 | ||
675 | ratio->DrawCopy((n == 0) ? "HIST" : "SAME HIST"); | |
676 | ||
677 | // get average of ratio | |
678 | Float_t sum = 0; | |
679 | for (Int_t i=2; i<=ratioRange; ++i) | |
680 | sum += TMath::Abs(ratio->GetBinContent(i) - 1); | |
681 | sum /= ratioRange-1; | |
682 | ||
683 | printf("%d) Average (2..%d) of |ratio - 1| is %f\n", n, ratioRange, sum); | |
684 | } | |
685 | ||
686 | TLine* line = new TLine(0, 1, displayRange, 1); | |
687 | line->SetLineWidth(2); | |
688 | line->Draw(); | |
689 | ||
690 | line = new TLine(0, 1.1, displayRange, 1.1); | |
691 | line->SetLineWidth(2); | |
692 | line->SetLineStyle(2); | |
693 | line->Draw(); | |
694 | line = new TLine(0, 0.9, displayRange, 0.9); | |
695 | line->SetLineWidth(2); | |
696 | line->SetLineStyle(2); | |
697 | line->Draw(); | |
698 | ||
699 | canvas->Modified(); | |
700 | ||
701 | canvas->SaveAs(epsName); | |
702 | canvas->SaveAs(Form("%s.gif", epsName.Data())); | |
703 | ||
704 | return canvas; | |
705 | } | |
706 | ||
707 | TCanvas* DrawRatioDeduct(TH1* mcBase, TH1* resultBase, Int_t nResultSyst, TH1** mc, TH1** result, TString epsName) | |
708 | { | |
709 | // draws the ratios of each mc to the corresponding result | |
710 | // deducts from each ratio the ratio of mcBase / resultBase | |
711 | ||
712 | // normalize | |
713 | resultBase->Scale(1.0 / resultBase->Integral(2, 200)); | |
714 | mcBase->Scale(1.0 / mcBase->Integral(2, 200)); | |
715 | ||
716 | // calculate ratio | |
717 | TH1* ratioBase = (TH1*) resultBase->Clone("ratioBase"); | |
718 | ratioBase->Divide(mcBase, ratioBase, 1, 1, "B"); | |
719 | ||
720 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 400); | |
721 | canvas->SetRightMargin(0.05); | |
722 | canvas->SetTopMargin(0.05); | |
723 | ||
724 | for (Int_t n=0; n<nResultSyst; ++n) | |
725 | { | |
726 | // normalize | |
727 | result[n]->Scale(1.0 / result[n]->Integral(2, 200)); | |
728 | mc[n]->Scale(1.0 / mc[n]->Integral(2, 200)); | |
729 | ||
730 | result[n]->GetXaxis()->SetRangeUser(0, displayRange); | |
731 | result[n]->SetStats(kFALSE); | |
732 | ||
733 | // calculate ratio | |
734 | TH1* ratio = (TH1*) result[n]->Clone("ratio"); | |
735 | ratio->Divide(mc[n], ratio, 1, 1, "B"); | |
736 | ratio->Add(ratioBase, -1); | |
737 | ||
738 | ratio->SetTitle(";true multiplicity;Ratio_{syst} (t/u) - Ratio (t/u)"); | |
739 | ratio->GetYaxis()->SetRangeUser(-1, 1); | |
740 | ratio->SetLineColor(n+1); | |
741 | ratio->DrawCopy((n == 0) ? "HIST" : "SAME HIST"); | |
742 | ||
743 | // get average of ratio | |
744 | Float_t sum = 0; | |
745 | for (Int_t i=2; i<=ratioRange; ++i) | |
746 | sum += TMath::Abs(ratio->GetBinContent(i)); | |
747 | sum /= ratioRange-1; | |
748 | ||
749 | printf("%d) Average (2..%d) of |ratio - ratioBase| is %f\n", n, ratioRange, sum); | |
750 | } | |
751 | ||
752 | TLine* line = new TLine(0, 0, displayRange, 0); | |
753 | line->SetLineWidth(2); | |
754 | line->Draw(); | |
755 | ||
756 | line = new TLine(0, 0.1, displayRange, 0.1); | |
757 | line->SetLineWidth(2); | |
758 | line->SetLineStyle(2); | |
759 | line->Draw(); | |
760 | line = new TLine(0, -0.1, displayRange, -0.1); | |
761 | line->SetLineWidth(2); | |
762 | line->SetLineStyle(2); | |
763 | line->Draw(); | |
764 | ||
765 | canvas->Modified(); | |
766 | ||
767 | canvas->SaveAs(epsName); | |
768 | canvas->SaveAs(Form("%s.gif", epsName.Data())); | |
769 | ||
770 | return canvas; | |
771 | } | |
772 | ||
773 | TCanvas* DrawRatioDeductSmooth(TH1* mcBase, TH1* resultBase, Int_t nResultSyst, TH1** mc, TH1** result, TString epsName) | |
774 | { | |
775 | // draws the ratios of each mc to the corresponding result | |
776 | // deducts from each ratio the ratio of mcBase / resultBase | |
777 | // smoothens the ratios by a sliding window | |
778 | ||
779 | // normalize | |
780 | resultBase->Scale(1.0 / resultBase->Integral(2, 200)); | |
781 | mcBase->Scale(1.0 / mcBase->Integral(2, 200)); | |
782 | ||
783 | // calculate ratio | |
784 | TH1* ratioBase = (TH1*) resultBase->Clone("ratioBase"); | |
785 | ratioBase->Divide(mcBase, ratioBase, 1, 1, "B"); | |
786 | ||
787 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 400); | |
788 | canvas->SetRightMargin(0.05); | |
789 | canvas->SetTopMargin(0.05); | |
790 | ||
791 | for (Int_t n=0; n<nResultSyst; ++n) | |
792 | { | |
793 | // normalize | |
794 | result[n]->Scale(1.0 / result[n]->Integral(2, 200)); | |
795 | mc[n]->Scale(1.0 / mc[n]->Integral(2, 200)); | |
796 | ||
797 | result[n]->GetXaxis()->SetRangeUser(0, displayRange); | |
798 | result[n]->SetStats(kFALSE); | |
799 | ||
800 | // calculate ratio | |
801 | TH1* ratio = (TH1*) result[n]->Clone("ratio"); | |
802 | ratio->Divide(mc[n], ratio, 1, 1, "B"); | |
803 | ratio->Add(ratioBase, -1); | |
804 | ||
805 | //new TCanvas; ratio->DrawCopy(); | |
806 | // clear 0 bin | |
807 | ratio->SetBinContent(1, 0); ratio->SetBinError(1, 0); | |
808 | ||
809 | Smooth(ratio); | |
810 | ||
811 | //ratio->SetLineColor(1); ratio->DrawCopy("SAME"); | |
812 | ||
813 | canvas->cd(); | |
814 | ratio->SetTitle(";true multiplicity;Ratio_{syst} (t/u) - Ratio (t/u) (smoothed)"); | |
815 | ratio->GetYaxis()->SetRangeUser(-0.3, 0.3); | |
816 | ratio->SetLineColor((n / 2)+1); | |
817 | ratio->SetLineStyle((n % 2)+1); | |
818 | ratio->DrawCopy((n == 0) ? "HIST" : "SAME HIST"); | |
819 | ||
820 | // get average of ratio | |
821 | Float_t sum = 0; | |
822 | for (Int_t i=2; i<=150; ++i) | |
823 | sum += TMath::Abs(ratio->GetBinContent(i)); | |
824 | sum /= 149; | |
825 | ||
826 | printf("%d) Average (2..150) of |ratio - ratioBase| is %f\n", n, sum); | |
827 | } | |
828 | ||
829 | TLine* line = new TLine(0, 0, displayRange, 0); | |
830 | line->SetLineWidth(2); | |
831 | line->Draw(); | |
832 | ||
833 | line = new TLine(0, 0.1, displayRange, 0.1); | |
834 | line->SetLineWidth(2); | |
835 | line->SetLineStyle(2); | |
836 | line->Draw(); | |
837 | line = new TLine(0, -0.1, displayRange, -0.1); | |
838 | line->SetLineWidth(2); | |
839 | line->SetLineStyle(2); | |
840 | line->Draw(); | |
841 | ||
842 | canvas->Modified(); | |
843 | ||
844 | canvas->SaveAs(epsName); | |
845 | canvas->SaveAs(Form("%s.gif", epsName.Data())); | |
846 | ||
847 | return canvas; | |
848 | } | |
849 | ||
69b09e3b | 850 | void DrawResiduals(const char* fileName, const char* epsName) |
f3eb27f6 | 851 | { |
69b09e3b | 852 | loadlibs(); |
853 | ||
854 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
855 | TFile::Open(fileName); | |
856 | mult->LoadHistograms("Multiplicity"); | |
857 | ||
858 | TH1* measured = mult->GetMultiplicityESD(etaRange)->ProjectionY("myesd", 1, 1); | |
859 | TH1* unfoldedFolded = mult->CalculateMultiplicityESD(mult->GetMultiplicityESDCorrected(etaRange), etaRange)->ProjectionY("myfolded", 1, 1); | |
860 | ||
f3eb27f6 | 861 | // normalize |
69b09e3b | 862 | unfoldedFolded->Scale(1.0 / unfoldedFolded->Integral(2, displayRange+1)); |
863 | unfoldedFolded->Scale(measured->Integral(2, displayRange+1)); | |
f3eb27f6 | 864 | |
865 | TCanvas* canvas = new TCanvas(epsName, epsName, 800, 600); | |
866 | canvas->Range(0, 0, 1, 1); | |
867 | ||
69b09e3b | 868 | TPad* pad1 = new TPad(Form("%s_pad1", epsName), "", 0, 0.5, 1, 1); |
f3eb27f6 | 869 | pad1->Draw(); |
870 | pad1->SetGridx(); | |
871 | pad1->SetGridy(); | |
872 | ||
69b09e3b | 873 | TPad* pad2 = new TPad(Form("%s_pad2", epsName), "", 0, 0.02, 1, 0.5); |
f3eb27f6 | 874 | pad2->Draw(); |
875 | pad2->SetGridx(); | |
876 | pad2->SetGridy(); | |
877 | ||
878 | TPad* pad3 = new TPad(Form("%s_pad3", epsName), "", 0.15, 0.5, 0.35, 0.75); | |
879 | pad3->SetGridx(); | |
880 | pad3->SetGridy(); | |
881 | pad3->SetRightMargin(0.05); | |
882 | pad3->SetTopMargin(0.05); | |
883 | pad3->Draw(); | |
884 | ||
885 | pad1->SetRightMargin(0.05); | |
886 | pad2->SetRightMargin(0.05); | |
887 | ||
888 | // no border between them | |
889 | pad1->SetBottomMargin(0); | |
890 | pad2->SetTopMargin(0); | |
891 | ||
892 | pad1->cd(); | |
893 | ||
894 | measured->GetXaxis()->SetLabelSize(0.06); | |
895 | measured->GetYaxis()->SetLabelSize(0.06); | |
896 | measured->GetXaxis()->SetTitleSize(0.06); | |
897 | measured->GetYaxis()->SetTitleSize(0.06); | |
898 | measured->GetYaxis()->SetTitleOffset(0.6); | |
899 | ||
69b09e3b | 900 | measured->GetXaxis()->SetRangeUser(0, displayRange); |
f3eb27f6 | 901 | |
69b09e3b | 902 | measured->SetTitle(Form(";%s;Entries", GetMultLabel(etaRange, kFALSE))); |
f3eb27f6 | 903 | measured->SetStats(kFALSE); |
904 | ||
905 | measured->DrawCopy("HIST"); | |
906 | gPad->SetLogy(); | |
907 | ||
908 | unfoldedFolded->SetMarkerStyle(5); | |
909 | unfoldedFolded->SetMarkerColor(2); | |
69b09e3b | 910 | unfoldedFolded->SetLineColor(2); |
911 | unfoldedFolded->DrawCopy("SAME PHIST"); | |
f3eb27f6 | 912 | |
913 | TLegend* legend = new TLegend(0.6, 0.65, 0.95, 0.9); | |
69b09e3b | 914 | legend->AddEntry(measured, "Measured distribution", "L"); |
915 | legend->AddEntry(unfoldedFolded, "R #otimes unfolded distribution", "P"); | |
f3eb27f6 | 916 | legend->SetFillColor(0); |
69b09e3b | 917 | legend->SetTextSize(0.06); |
f3eb27f6 | 918 | legend->Draw(); |
919 | ||
920 | pad2->cd(); | |
921 | pad2->SetBottomMargin(0.15); | |
922 | ||
923 | // calculate ratio | |
924 | measured->Sumw2(); | |
925 | TH1* residual = (TH1*) measured->Clone("residual"); | |
926 | unfoldedFolded->Sumw2(); | |
927 | ||
928 | residual->Add(unfoldedFolded, -1); | |
929 | ||
930 | // projection | |
69b09e3b | 931 | TH1* residualHist = new TH1F("residualHist", ";", 11, -3, 3); |
b3b260d1 | 932 | residualHist->Sumw2(); |
f3eb27f6 | 933 | |
b3b260d1 | 934 | Float_t chi2 = 0; |
69b09e3b | 935 | for (Int_t i=1; i<=displayRange+1; ++i) |
f3eb27f6 | 936 | { |
937 | if (measured->GetBinError(i) > 0) | |
938 | { | |
939 | residual->SetBinContent(i, residual->GetBinContent(i) / measured->GetBinError(i)); | |
940 | residual->SetBinError(i, 1); | |
941 | ||
942 | residualHist->Fill(residual->GetBinContent(i)); | |
b3b260d1 | 943 | chi2 += residual->GetBinContent(i) * residual->GetBinContent(i); |
f3eb27f6 | 944 | } |
945 | else | |
946 | { | |
947 | residual->SetBinContent(i, 0); | |
948 | residual->SetBinError(i, 0); | |
949 | } | |
950 | } | |
b3b260d1 | 951 | |
952 | Printf("chi2 / ndf = %f / %d = %f", chi2, displayRange+1, chi2 / (displayRange+1)); | |
f3eb27f6 | 953 | |
69b09e3b | 954 | residual->GetYaxis()->SetTitle("Residuals: (1/e) (M - R #otimes U)"); |
f3eb27f6 | 955 | residual->GetYaxis()->SetRangeUser(-4.5, 4.5); |
956 | residual->DrawCopy(); | |
957 | ||
69b09e3b | 958 | TLine* line = new TLine(-0.5, 0, displayRange + 0.5, 0); |
f3eb27f6 | 959 | line->SetLineWidth(2); |
960 | line->Draw(); | |
961 | ||
962 | pad3->cd(); | |
963 | residualHist->SetStats(kFALSE); | |
69b09e3b | 964 | residualHist->SetLabelSize(0.08, "xy"); |
f3eb27f6 | 965 | residualHist->Fit("gaus"); |
b3b260d1 | 966 | residualHist->Draw("HIST"); |
967 | residualHist->FindObject("gaus")->Draw("SAME"); | |
f3eb27f6 | 968 | |
969 | canvas->Modified(); | |
970 | canvas->SaveAs(canvas->GetName()); | |
971 | ||
972 | //const char* epsName2 = "proj.eps"; | |
973 | //TCanvas* canvas = new TCanvas(epsName2, epsName2, 800, 600); | |
974 | //canvas->SetGridx(); | |
975 | //canvas->SetGridy(); | |
976 | ||
977 | //canvas->SaveAs(canvas->GetName()); | |
978 | } | |
979 | ||
69b09e3b | 980 | void chi2FluctuationResult() |
f3eb27f6 | 981 | { |
69b09e3b | 982 | loadlibs(); |
f3eb27f6 | 983 | |
69b09e3b | 984 | TFile::Open("chi2_noregularization.root"); |
f3eb27f6 | 985 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); |
986 | mult->LoadHistograms("Multiplicity"); | |
987 | ||
69b09e3b | 988 | TH1* mcHist = mult->GetMultiplicityVtx(etaRange)->ProjectionY("mymc", 1, 1); |
f3eb27f6 | 989 | |
69b09e3b | 990 | mult->DrawComparison("MinuitChi2", etaRange, kFALSE, kTRUE, mcHist, kTRUE); |
f3eb27f6 | 991 | |
69b09e3b | 992 | TCanvas* canvas = (TCanvas*) gROOT->FindObject("MinuitChi2_DrawComparison_1"); |
993 | ((TH1*) canvas->FindObject("proj"))->GetXaxis()->SetRangeUser(0, displayRange); | |
994 | ((TH1*) canvas->FindObject("fCurrentESD"))->GetXaxis()->SetRangeUser(0, displayRange); | |
995 | //((TH1*) canvas->FindObject("proj"))->GetXaxis()->SetTitle(GetMultTitle()); | |
996 | //((TH1*) canvas->FindObject("fCurrentESD"))->GetXaxis()->->SetTitle(GetMultTitle(etaRange, kFALSE)); | |
997 | canvas->SaveAs("chi2FluctuationResult.eps"); | |
f3eb27f6 | 998 | } |
999 | ||
69b09e3b | 1000 | void DrawUnfolded(const char* fileName, const char* eps) |
f3eb27f6 | 1001 | { |
69b09e3b | 1002 | loadlibs(); |
1003 | ||
1004 | TFile::Open(fileName); | |
f3eb27f6 | 1005 | |
f3eb27f6 | 1006 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); |
1007 | mult->LoadHistograms("Multiplicity"); | |
1008 | ||
69b09e3b | 1009 | TH1* mcHist = mult->GetMultiplicityVtx(etaRange)->ProjectionY("mymc", 1, mult->GetMultiplicityVtx(etaRange)->GetNbinsX()); |
1010 | TH1* result = mult->GetMultiplicityESDCorrected(etaRange); | |
f3eb27f6 | 1011 | |
69b09e3b | 1012 | DrawResultRatio(mcHist, result, eps); |
f3eb27f6 | 1013 | } |
1014 | ||
69b09e3b | 1015 | void minimizationInfluenceAlpha() |
f3eb27f6 | 1016 | { |
69b09e3b | 1017 | loadlibs(); |
f3eb27f6 | 1018 | |
1019 | TFile::Open(measuredFile); | |
1020 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
1021 | mult2->LoadHistograms("Multiplicity"); | |
1022 | ||
69b09e3b | 1023 | TH1* mcHist = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc", 1, mult2->GetMultiplicityVtx(etaRange)->GetNbinsX()); |
1024 | mcHist->Scale(1.0 / mcHist->Integral()); | |
1025 | mcHist->SetStats(kFALSE); | |
1026 | mcHist->SetTitle(";True multiplicity n in |#eta| < 1.0;P(n)"); | |
f3eb27f6 | 1027 | |
69b09e3b | 1028 | TCanvas* canvas = new TCanvas("minimizationInfluenceAlpha", "minimizationInfluenceAlpha", 1000, 350); |
1029 | canvas->Divide(3, 1, 0.005); | |
1030 | ||
1031 | TFile::Open("chi2compare-influencealpha/EvaluateChi2Method.root"); | |
1032 | ||
1033 | TH1* hist1 = (TH1*) gFile->Get("MinuitChi2_00_2_3.162278"); | |
1034 | TH1* hist2 = (TH1*) gFile->Get("MinuitChi2_07_2_10000.000000"); | |
1035 | TH1* hist3 = (TH1*) gFile->Get("MinuitChi2_13_2_10000000.000000"); | |
1036 | ||
1037 | /*mcHist->Rebin(2); mcHist->Scale(0.5); | |
1038 | hist1->Rebin(2); hist1->Scale(0.5); | |
1039 | hist2->Rebin(2); hist2->Scale(0.5); | |
1040 | hist3->Rebin(2); hist3->Scale(0.5);*/ | |
1041 | ||
1042 | mcHist->GetXaxis()->SetRangeUser(0, displayRange); | |
1043 | mcHist->SetLabelSize(0.06, "xy"); | |
1044 | mcHist->SetTitleSize(0.06, "xy"); | |
1045 | mcHist->GetYaxis()->SetTitleOffset(1.5); | |
1046 | ||
1047 | canvas->cd(1); | |
1048 | ||
1049 | gPad->SetLogy(); | |
1050 | gPad->SetRightMargin(0.03); | |
1051 | gPad->SetLeftMargin(0.19); | |
1052 | gPad->SetTopMargin(0.05); | |
1053 | gPad->SetBottomMargin(0.13); | |
1054 | gPad->SetGridx(); | |
1055 | gPad->SetGridy(); | |
1056 | mcHist->Draw(); | |
1057 | hist1->SetMarkerStyle(5); | |
1058 | hist1->SetMarkerColor(2); | |
1059 | hist1->Draw("SAME PE"); | |
1060 | ||
1061 | canvas->cd(2); | |
1062 | gPad->SetRightMargin(0.03); | |
1063 | gPad->SetLeftMargin(0.19); | |
1064 | gPad->SetTopMargin(0.05); | |
1065 | gPad->SetBottomMargin(0.13); | |
1066 | gPad->SetLogy(); | |
1067 | gPad->SetGridx(); | |
1068 | gPad->SetGridy(); | |
1069 | mcHist->Draw(); | |
1070 | hist2->SetMarkerStyle(5); | |
1071 | hist2->SetMarkerColor(2); | |
1072 | hist2->Draw("SAME PE"); | |
f3eb27f6 | 1073 | |
69b09e3b | 1074 | canvas->cd(3); |
1075 | gPad->SetRightMargin(0.03); | |
1076 | gPad->SetLeftMargin(0.19); | |
1077 | gPad->SetTopMargin(0.05); | |
1078 | gPad->SetBottomMargin(0.13); | |
1079 | gPad->SetLogy(); | |
1080 | gPad->SetGridx(); | |
1081 | gPad->SetGridy(); | |
1082 | mcHist->Draw(); | |
1083 | hist3->SetMarkerStyle(5); | |
1084 | hist3->SetMarkerColor(2); | |
1085 | hist3->Draw("SAME PE"); | |
f3eb27f6 | 1086 | |
69b09e3b | 1087 | canvas->SaveAs("minimizationInfluenceAlpha.eps"); |
f3eb27f6 | 1088 | } |
1089 | ||
69b09e3b | 1090 | void NBDFit() |
f3eb27f6 | 1091 | { |
f3eb27f6 | 1092 | gSystem->Load("libPWG0base"); |
1093 | ||
69b09e3b | 1094 | TFile::Open(correctionFile); |
f3eb27f6 | 1095 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); |
1096 | mult->LoadHistograms("Multiplicity"); | |
1097 | ||
1098 | TH1* fCurrentESD = mult->GetMultiplicityVtx(etaRange)->ProjectionY(); | |
1099 | fCurrentESD->Sumw2(); | |
1100 | fCurrentESD->Scale(1.0 / fCurrentESD->Integral()); | |
1101 | ||
1102 | TF1* 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])"); | |
1103 | func->SetParNames("scaling", "averagen", "k"); | |
1104 | func->SetParLimits(0, 0.001, fCurrentESD->GetMaximum() * 1000); | |
1105 | func->SetParLimits(1, 0.001, 1000); | |
1106 | func->SetParLimits(2, 0.001, 1000); | |
1107 | func->SetParameters(fCurrentESD->GetMaximum() * 100, 10, 2); | |
1108 | ||
1109 | TF1* lognormal = new TF1("lognormal", "[0]*exp(-(log(x)-[1])^2/(2*[2]^2))/(x*[2]*TMath::Sqrt(2*TMath::Pi()))", 0.01, 500); | |
1110 | lognormal->SetParNames("scaling", "mean", "sigma"); | |
1111 | lognormal->SetParameters(1, 1, 1); | |
1112 | lognormal->SetParLimits(0, 0, 10); | |
1113 | lognormal->SetParLimits(1, 0, 100); | |
1114 | lognormal->SetParLimits(2, 1e-3, 10); | |
1115 | ||
1116 | TCanvas* canvas = new TCanvas("c1", "c1", 700, 400); | |
1117 | fCurrentESD->SetStats(kFALSE); | |
1118 | fCurrentESD->GetYaxis()->SetTitleOffset(1.3); | |
1119 | fCurrentESD->SetTitle(";true multiplicity (N);P_{N}"); | |
1120 | fCurrentESD->Draw("HIST"); | |
1121 | fCurrentESD->GetXaxis()->SetRangeUser(0, 200); | |
1122 | fCurrentESD->Fit(func, "W0", "", 0, 50); | |
1123 | func->SetRange(0, 100); | |
1124 | func->Draw("SAME"); | |
1125 | printf("chi2 = %f\n", func->GetChisquare()); | |
1126 | ||
1127 | fCurrentESD->Fit(lognormal, "W0", "", 0.01, 100); | |
1128 | lognormal->SetLineColor(2); | |
1129 | lognormal->SetLineStyle(2); | |
1130 | lognormal->SetRange(0, 100); | |
1131 | lognormal->Draw("SAME"); | |
1132 | ||
1133 | canvas->SaveAs("NBDFit.eps"); | |
1134 | } | |
1135 | ||
f3eb27f6 | 1136 | void StartingConditions() |
1137 | { | |
1138 | // data generated by runMultiplicitySelector.C StartingConditions | |
1139 | ||
1140 | const char* name = "StartingConditions"; | |
1141 | ||
1142 | TFile* file = TFile::Open(Form("%s.root", name)); | |
1143 | ||
69b09e3b | 1144 | TCanvas* canvas = new TCanvas(name, name, 1200, 600); |
f3eb27f6 | 1145 | canvas->Divide(2, 1); |
1146 | ||
1147 | TH1* mc = (TH1*) file->Get("mc"); | |
1148 | mc->Sumw2(); | |
69b09e3b | 1149 | mc->Scale(1.0 / mc->Integral(2, displayRange)); |
f3eb27f6 | 1150 | |
1151 | //Int_t marker[] = {24, 25, 26, 27, 28, 2, 3, 4, 5}; | |
1152 | ||
69b09e3b | 1153 | TLegend* legend = new TLegend(0.6, 0.7, 0.99, 0.99); |
f3eb27f6 | 1154 | legend->SetFillColor(0); |
69b09e3b | 1155 | legend->SetTextSize(0.04); |
1156 | ||
f3eb27f6 | 1157 | const char* names[] = { "True", "Measured 1", "Measured 2", "Measured 3", "NBD", "Flat" }; |
1158 | ||
1159 | for (Int_t i=0; i<6; ++i) | |
1160 | { | |
1161 | Int_t id = i; | |
1162 | if (id > 2) | |
1163 | id += 2; | |
1164 | ||
1165 | TH1* chi2Result = (TH1*) file->Get(Form("chi2Result_%d", id)); | |
1166 | TH1* bayesResult = (TH1*) file->Get(Form("bayesResult_%d", id)); | |
69b09e3b | 1167 | |
1168 | chi2Result->Scale(1.0 / chi2Result->Integral(2, displayRange)); | |
1169 | bayesResult->Scale(1.0 / bayesResult->Integral(2, displayRange)); | |
f3eb27f6 | 1170 | |
69b09e3b | 1171 | chi2Result->Divide(mc, chi2Result, 1, 1, ""); |
1172 | bayesResult->Divide(mc, bayesResult, 1, 1, ""); | |
f3eb27f6 | 1173 | |
69b09e3b | 1174 | chi2Result->SetTitle(Form("a) #chi^{2}-minimization;%s;MC / unfolded", GetMultLabel())); |
1175 | chi2Result->GetXaxis()->SetRangeUser(0, displayRange); | |
1176 | chi2Result->GetYaxis()->SetRangeUser(0.7, 1.3); | |
1177 | chi2Result->GetYaxis()->SetTitleOffset(1.7); | |
f3eb27f6 | 1178 | //chi2Result->SetMarkerStyle(marker[i]); |
1179 | chi2Result->SetLineColor(i+1); | |
1180 | chi2Result->SetMarkerColor(i+1); | |
1181 | chi2Result->SetStats(kFALSE); | |
1182 | ||
69b09e3b | 1183 | bayesResult->SetTitle(Form("b) Bayesian unfolding;%s;MC / unfolded", GetMultLabel())); |
1184 | bayesResult->GetXaxis()->SetRangeUser(0, displayRange); | |
1185 | bayesResult->GetYaxis()->SetRangeUser(0.7, 1.3); | |
1186 | bayesResult->GetYaxis()->SetTitleOffset(1.7); | |
f3eb27f6 | 1187 | bayesResult->SetStats(kFALSE); |
1188 | //bayesResult->SetLineColor(2); | |
1189 | bayesResult->SetLineColor(i+1); | |
1190 | ||
1191 | canvas->cd(1); | |
69b09e3b | 1192 | gPad->SetRightMargin(0.05); |
f3eb27f6 | 1193 | gPad->SetLeftMargin(0.12); |
69b09e3b | 1194 | gPad->SetGridx(); |
1195 | gPad->SetGridy(); | |
f3eb27f6 | 1196 | chi2Result->DrawCopy((i == 0) ? "HIST" : "HIST SAME"); |
1197 | ||
1198 | canvas->cd(2); | |
69b09e3b | 1199 | gPad->SetRightMargin(0.05); |
f3eb27f6 | 1200 | gPad->SetLeftMargin(0.12); |
69b09e3b | 1201 | gPad->SetGridx(); |
1202 | gPad->SetGridy(); | |
f3eb27f6 | 1203 | bayesResult->DrawCopy((i == 0) ? "HIST" : "HIST SAME"); |
1204 | ||
1205 | //TLine* line = new TLine(0, 1, 150, 1); | |
1206 | //line->Draw(); | |
1207 | ||
1208 | legend->AddEntry(chi2Result, names[i]); | |
1209 | } | |
1210 | ||
1211 | canvas->cd(1); | |
1212 | legend->Draw(); | |
69b09e3b | 1213 | canvas->cd(2); |
1214 | legend->Draw(); | |
f3eb27f6 | 1215 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); |
1216 | } | |
1217 | ||
1218 | void StatisticsPlot() | |
1219 | { | |
1220 | const char* name = "StatisticsPlot"; | |
1221 | ||
1222 | TFile* file = TFile::Open(Form("%s.root", name)); | |
1223 | ||
1224 | TCanvas* canvas = new TCanvas(name, name, 600, 400); | |
1225 | ||
1226 | TGraph* fitResultsChi2 = (TGraph*) file->Get("fitResultsChi2"); | |
1227 | fitResultsChi2->SetTitle(";number of measured events;P_{1}"); | |
1228 | fitResultsChi2->GetYaxis()->SetRangeUser(0, 2); | |
1229 | fitResultsChi2->Draw("AP"); | |
1230 | ||
1231 | TF1* f = new TF1("f", "[0]/x", 1, 1e4); | |
1232 | fitResultsChi2->Fit(f); | |
1233 | ||
1234 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
1235 | ||
1236 | TH1* mc[5]; | |
1237 | TH1* result[5]; | |
1238 | ||
1239 | const char* plotname = "chi2Result"; | |
1240 | ||
1241 | name = "StatisticsPlotRatios"; | |
1242 | canvas = new TCanvas(name, name, 600, 400); | |
1243 | ||
1244 | for (Int_t i=0; i<5; ++i) | |
1245 | { | |
1246 | mc[i] = (TH1*) file->Get(Form("mc_%d", i)); | |
1247 | result[i] = (TH1*) file->Get(Form("%s_%d", plotname, i)); | |
1248 | ||
1249 | result[i]->SetLineColor(i+1); | |
1250 | result[i]->Draw(((i == 0) ? "" : "SAME")); | |
1251 | } | |
1252 | } | |
1253 | ||
69b09e3b | 1254 | void Draw2Unfolded(const char* file1, const char* file2, const char* output) |
f3eb27f6 | 1255 | { |
69b09e3b | 1256 | loadlibs(); |
1257 | ||
1258 | TFile::Open(file1); | |
f3eb27f6 | 1259 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); |
1260 | mult->LoadHistograms("Multiplicity"); | |
1261 | ||
69b09e3b | 1262 | // result with systematic effect |
1263 | TFile::Open(file2); | |
f3eb27f6 | 1264 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); |
1265 | mult2->LoadHistograms("Multiplicity"); | |
1266 | ||
69b09e3b | 1267 | TH1* mcHist = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc", 1, 1); |
1268 | TH1* result1 = (TH1*) mult2->GetMultiplicityESDCorrected(etaRange)->Clone("result1"); // from file2 (with syst) | |
1269 | TH1* result2 = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone("result2"); // from file1 (without syst) | |
f3eb27f6 | 1270 | |
69b09e3b | 1271 | DrawResultRatio(mcHist, result1, "tmp1.eps"); |
1272 | DrawResultRatio(mcHist, result2, "tmp2.eps"); | |
1273 | Draw2ResultRatio(mcHist, result1, result2, output); | |
1274 | } | |
f3eb27f6 | 1275 | |
69b09e3b | 1276 | void PythiaPhojet() |
1277 | { | |
1278 | loadlibs(); | |
1279 | ||
1280 | displayRange = 55; | |
1281 | Draw2Unfolded("self.root", "pythia.root", "test.eps"); | |
1282 | ||
1283 | canvas = (TCanvas*) gROOT->GetListOfCanvases()->Last(); | |
1284 | pad1 = (TCanvas*)canvas->GetListOfPrimitives()->First(); | |
1285 | pad2 = (TCanvas*)canvas->GetListOfPrimitives()->Last(); | |
1286 | legend = (TLegend*)pad1->GetListOfPrimitives()->Last(); | |
1287 | ||
1288 | ((TH1*)pad2->GetListOfPrimitives()->At(1))->GetYaxis()->SetTitle("Ratio (Pythia / Phojet)"); | |
1289 | ((TLegendEntry*)legend->GetListOfPrimitives()->At(1))->SetLabel("Unfolded distribution (Pythia)"); | |
1290 | ((TLegendEntry*)legend->GetListOfPrimitives()->At(2))->SetLabel("Unfolded distribution (Phojet)"); | |
1291 | canvas->SaveAs("PythiaPhojet.eps"); | |
1292 | } | |
f3eb27f6 | 1293 | |
69b09e3b | 1294 | void Misalignment() |
1295 | { | |
1296 | loadlibs(); | |
1297 | ||
1298 | Draw2Unfolded("chi2_ideal.root", "chi2_misaligned.root", "test.eps"); | |
1299 | ||
1300 | canvas = (TCanvas*) gROOT->GetListOfCanvases()->Last(); | |
1301 | pad1 = (TCanvas*)canvas->GetListOfPrimitives()->First(); | |
1302 | pad2 = (TCanvas*)canvas->GetListOfPrimitives()->Last(); | |
1303 | legend = (TLegend*)pad1->GetListOfPrimitives()->Last(); | |
1304 | ||
1305 | ((TH1*)pad2->GetListOfPrimitives()->At(1))->GetYaxis()->SetTitle("Ratio (misaligned / realigned)"); | |
1306 | ((TLegendEntry*)legend->GetListOfPrimitives()->At(1))->SetLabel("Unfolded distribution (misaligned)"); | |
1307 | ((TLegendEntry*)legend->GetListOfPrimitives()->At(2))->SetLabel("Unfolded distribution (realigned)"); | |
1308 | canvas->SaveAs("SystematicMisalignment.eps"); | |
1309 | } | |
f3eb27f6 | 1310 | |
69b09e3b | 1311 | void SystematicLowEfficiency() |
1312 | { | |
1313 | Draw2Unfolded("chi2.root", "chi2_loweff_5.root", "SystematicLowEfficiency.eps"); | |
1314 | } | |
f3eb27f6 | 1315 | |
69b09e3b | 1316 | void SystematicLowEfficiency2() |
1317 | { | |
1318 | loadlibs(); | |
1319 | ||
1320 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open("chi2.root"); | |
f3eb27f6 | 1321 | TH1* result2 = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone("result2"); |
69b09e3b | 1322 | TH1* mcHist = mult->GetMultiplicityVtx(etaRange)->ProjectionY("mymc", 1, 1); |
1323 | result2->Scale(1.0 / result2->Integral(2, displayRange)); | |
1324 | result2->Scale(mcHist->Integral(2, displayRange)); | |
1325 | ||
1326 | mult = AliMultiplicityCorrection::Open("chi2_loweff_5.root"); | |
1327 | TH1* result1 = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone("result1"); | |
1328 | ||
1329 | mult = AliMultiplicityCorrection::Open("chi2_loweff_2.root"); | |
1330 | TH1* ratio2 = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone("ratio2"); | |
1331 | ratio2->Scale(1.0 / ratio2->Integral(2, displayRange)); | |
1332 | ratio2->Scale(mcHist->Integral(2, displayRange)); | |
1333 | ratio2->Divide(result2); | |
1334 | ||
1335 | mult = AliMultiplicityCorrection::Open("chi2_loweff_1.root"); | |
1336 | TH1* ratio3 = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone("ratio3"); | |
1337 | ratio3->Scale(1.0 / ratio3->Integral(2, displayRange)); | |
1338 | ratio3->Scale(mcHist->Integral(2, displayRange)); | |
1339 | ratio3->Divide(result2); | |
1340 | ||
1341 | Draw2ResultRatios(mcHist, result1, result2, ratio2, ratio3, "SystematicLowEfficiency2.eps"); | |
f3eb27f6 | 1342 | } |
1343 | ||
1344 | void SystematicMisalignment() | |
1345 | { | |
1346 | gSystem->Load("libPWG0base"); | |
1347 | ||
1348 | TFile::Open(correctionFile); | |
1349 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1350 | mult->LoadHistograms("Multiplicity"); | |
1351 | ||
1352 | TFile::Open("multiplicityMC_100k_fullmis.root"); | |
1353 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
1354 | mult2->LoadHistograms("Multiplicity"); | |
1355 | ||
1356 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
1357 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
1358 | mult->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
1359 | ||
1360 | TH1* mcHist = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc"); | |
1361 | TH1* result = mult->GetMultiplicityESDCorrected(etaRange); | |
1362 | ||
1363 | DrawResultRatio(mcHist, result, "SystematicMisalignment.eps"); | |
1364 | } | |
1365 | ||
1366 | void SystematicMisalignmentTPC() | |
1367 | { | |
1368 | gSystem->Load("libPWG0base"); | |
1369 | ||
1370 | SetTPC(); | |
1371 | ||
1372 | TFile::Open(correctionFile); | |
1373 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1374 | mult->LoadHistograms("Multiplicity"); | |
1375 | ||
1376 | TFile::Open("multiplicityMC_TPC_100k_fullmis.root"); | |
1377 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
1378 | mult2->LoadHistograms("Multiplicity"); | |
1379 | ||
1380 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
1381 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
1382 | mult->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
1383 | ||
1384 | TH1* mcHist = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc"); | |
1385 | TH1* result = mult->GetMultiplicityESDCorrected(etaRange); | |
1386 | ||
1387 | DrawResultRatio(mcHist, result, "SystematicMisalignmentTPC.eps"); | |
1388 | } | |
1389 | ||
69b09e3b | 1390 | void LowMomentumEffectSPD() |
1391 | { | |
1392 | // this function increases/reduces the correction as function of pt between 0 and 0.2 gev by +-50% to 0% and checks the effect on the overall correction factor | |
1393 | // only a normal acceptance region is considered to not get a bias by the edges | |
1394 | ||
1395 | loadlibs(); | |
1396 | TFile::Open("multiplicity.root"); | |
1397 | ||
1398 | ||
1399 | AliCorrection* correction[8]; | |
1400 | Float_t values[3]; | |
1401 | ||
1402 | for (Int_t loop=0; loop<3; loop++) | |
1403 | { | |
1404 | Float_t sumGen = 0; | |
1405 | Float_t sumMeas = 0; | |
1406 | ||
1407 | Printf("loop %d", loop); | |
1408 | for (Int_t i=0; i<4; ++i) | |
1409 | { | |
1410 | Printf("correction %d", i); | |
1411 | ||
1412 | TString name; name.Form("correction_%d", i); | |
1413 | correction[i] = new AliCorrection(name, name); | |
1414 | correction[i]->LoadHistograms(); | |
1415 | ||
1416 | TH3* gene = correction[i]->GetTrackCorrection()->GetGeneratedHistogram(); | |
1417 | TH3* meas = correction[i]->GetTrackCorrection()->GetMeasuredHistogram(); | |
1418 | ||
1419 | Float_t vtxRange = 5.9; | |
1420 | gene->GetXaxis()->SetRangeUser(-vtxRange, vtxRange); | |
1421 | meas->GetXaxis()->SetRangeUser(-vtxRange, vtxRange); | |
1422 | ||
1423 | Float_t etaRange = 0.99; | |
1424 | gene->GetYaxis()->SetRangeUser(-etaRange, etaRange); | |
1425 | meas->GetYaxis()->SetRangeUser(-etaRange, etaRange); | |
1426 | ||
1427 | TH1* genePt = gene->Project3D(Form("z_%d", i)); | |
1428 | TH1* measPt = meas->Project3D(Form("z_%d", i)); | |
1429 | ||
1430 | if (loop > 0) | |
1431 | { | |
1432 | for (Int_t x=1; x<=genePt->GetNbinsX(); x++) | |
1433 | { | |
1434 | Float_t pt = genePt->GetXaxis()->GetBinCenter(x); | |
1435 | //Printf("%f", pt); | |
1436 | if (pt < 0.2) | |
1437 | { | |
1438 | Float_t factor = 1; | |
1439 | if (loop == 1) | |
1440 | factor = 1.5 - pt / 0.2 * 0.5; | |
1441 | if (loop == 2) | |
1442 | factor = 0.5 + pt / 0.2 * 0.5; | |
1443 | //Printf("%f", factor); | |
1444 | genePt->SetBinContent(x, genePt->GetBinContent(x) * factor); | |
1445 | measPt->SetBinContent(x, measPt->GetBinContent(x) * factor); | |
1446 | } | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | //new TCanvas; genePt->DrawCopy(); measPt->DrawCopy("SAME"); | |
1451 | ||
1452 | sumGen += genePt->Integral(); | |
1453 | sumMeas += measPt->Integral(); | |
1454 | ||
1455 | Float_t average = measPt->Integral() / genePt->Integral(); | |
1456 | ||
1457 | Printf("The average efficiency of this correction is %f", average); | |
1458 | } | |
1459 | ||
1460 | Float_t average = sumMeas / sumGen; | |
1461 | ||
1462 | Printf("The average efficiency of all corrections is %f", average); | |
1463 | values[loop] = average; | |
1464 | } | |
1465 | ||
1466 | Printf("relative is %f and %f", values[1] / values[0], values[2] / values[0]); | |
1467 | } | |
1468 | ||
1469 | ||
1470 | void EfficiencySpecies(Bool_t addDecayStopped = kFALSE) | |
f3eb27f6 | 1471 | { |
5a6310fe | 1472 | loadlibs(); |
f3eb27f6 | 1473 | |
69b09e3b | 1474 | Int_t marker[] = {24, 25, 26, 27}; |
1475 | Int_t color[] = {1, 2, 4, 3}; | |
f3eb27f6 | 1476 | |
1477 | // SPD TPC | |
5a6310fe | 1478 | //const char* fileName[] = { "multiplicityMC_400k_syst.root", "multiplicityMC_TPC_4kfiles_syst.root" }; |
69b09e3b | 1479 | //const char* fileName[] = { "spd/multiplicity.root", "tpc/multiplicity.root" }; |
1480 | const char* fileName[] = { "multiplicity.root", "multiplicity.root" }; | |
1481 | Float_t etaRangeArr[] = {0.49, 0.9}; | |
f3eb27f6 | 1482 | const char* titles[] = { "SPD Tracklets", "TPC Tracks" }; |
1483 | ||
1484 | TCanvas* canvas = new TCanvas("EfficiencySpecies", "EfficiencySpecies", 1000, 500); | |
1485 | canvas->Divide(2, 1); | |
1486 | ||
69b09e3b | 1487 | TCanvas* canvas3 = new TCanvas("EfficiencySpecies_comb", "EfficiencySpecies_comb", 600, 600); |
1488 | gPad->SetGridx(); | |
1489 | gPad->SetGridy(); | |
1490 | gPad->SetRightMargin(0.05); | |
1491 | gPad->SetTopMargin(0.05); | |
1492 | ||
1493 | TLegend* legends[2]; | |
1494 | ||
1495 | for (Int_t loop=1; loop<2; ++loop) | |
f3eb27f6 | 1496 | { |
1497 | Printf("%s", fileName[loop]); | |
1498 | ||
69b09e3b | 1499 | TCanvas* canvas2 = new TCanvas(Form("EfficiencySpecies_%d", loop), Form("EfficiencySpecies_%d", loop), 600, 600); |
1500 | gPad->SetGridx(); | |
1501 | gPad->SetGridy(); | |
1502 | gPad->SetRightMargin(0.05); | |
1503 | gPad->SetTopMargin(0.05); | |
1504 | ||
1505 | AliCorrection* correction[8]; | |
f3eb27f6 | 1506 | |
1507 | canvas->cd(loop+1); | |
1508 | ||
1509 | gPad->SetGridx(); | |
1510 | gPad->SetGridy(); | |
1511 | gPad->SetRightMargin(0.05); | |
f3eb27f6 | 1512 | |
69b09e3b | 1513 | TLegend* legend = new TLegend(0.6, 0.4, 0.85, 0.6); |
f3eb27f6 | 1514 | legend->SetFillColor(0); |
1515 | legend->SetEntrySeparation(0.2); | |
69b09e3b | 1516 | legend->SetTextSize(gStyle->GetTextSize()); |
1517 | ||
1518 | legends[loop] = new TLegend(0.4+loop*0.3, 0.2, 0.6+loop*0.3, 0.5); | |
1519 | legends[loop]->SetFillColor(0); | |
1520 | legends[loop]->SetEntrySeparation(0.2); | |
1521 | legends[loop]->SetTextSize(gStyle->GetTextSize()); | |
1522 | legends[loop]->SetHeader((loop == 0) ? "SPD" : "TPC"); | |
f3eb27f6 | 1523 | |
1524 | Float_t below = 0; | |
1525 | Float_t total = 0; | |
1526 | ||
1527 | TFile* file = TFile::Open(fileName[loop]); | |
1528 | if (!file) | |
1529 | { | |
1530 | Printf("Could not open %s", fileName[loop]); | |
1531 | return; | |
1532 | } | |
1533 | ||
1534 | Float_t sumGen = 0; | |
1535 | Float_t sumMeas = 0; | |
1536 | ||
1537 | for (Int_t i=0; i<3; ++i) | |
1538 | { | |
1539 | Printf("correction %d", i); | |
1540 | ||
1541 | TString name; name.Form("correction_%d", i); | |
1542 | correction[i] = new AliCorrection(name, name); | |
1543 | correction[i]->LoadHistograms(); | |
69b09e3b | 1544 | |
f3eb27f6 | 1545 | TH3* gene = correction[i]->GetTrackCorrection()->GetGeneratedHistogram(); |
1546 | TH3* meas = correction[i]->GetTrackCorrection()->GetMeasuredHistogram(); | |
1547 | ||
1548 | // limit vtx axis | |
69b09e3b | 1549 | Float_t vtxRange = 3.9; |
1550 | gene->GetXaxis()->SetRangeUser(-vtxRange, vtxRange); | |
1551 | meas->GetXaxis()->SetRangeUser(-vtxRange, vtxRange); | |
f3eb27f6 | 1552 | |
1553 | // empty over/underflow bin in eta, setting range to +-2 is not enough because this is the maximum range, Project3D takes them into account then (might be a bug) | |
1554 | /*for (Int_t x = 1; x <= gene->GetNbinsX(); x++) | |
1555 | for (Int_t z = 1; z <= gene->GetNbinsZ(); z++) | |
1556 | { | |
1557 | gene->SetBinContent(x, 0, z, 0); | |
1558 | gene->SetBinContent(x, gene->GetNbinsY()+1, z, 0); | |
1559 | meas->SetBinContent(x, 0, z, 0); | |
1560 | meas->SetBinContent(x, gene->GetNbinsY()+1, z, 0); | |
1561 | }*/ | |
1562 | ||
1563 | // limit eta axis | |
69b09e3b | 1564 | Float_t etaBegin = -etaRangeArr[loop]; |
1565 | Float_t etaEnd = etaRangeArr[loop]; | |
1566 | //etaBegin = 0.01; | |
1567 | //etaEnd = -0.01; | |
1568 | gene->GetYaxis()->SetRangeUser(etaBegin, etaEnd); | |
1569 | meas->GetYaxis()->SetRangeUser(etaBegin, etaEnd); | |
f3eb27f6 | 1570 | |
1571 | TH1* genePt = gene->Project3D(Form("z_%d", i)); | |
1572 | TH1* measPt = meas->Project3D(Form("z_%d", i)); | |
1573 | ||
1574 | genePt->Sumw2(); | |
1575 | measPt->Sumw2(); | |
69b09e3b | 1576 | |
1577 | for (Int_t x=0; x<=genePt->GetNbinsX()+1; x++) | |
1578 | { | |
1579 | genePt->SetBinError(x, TMath::Sqrt(genePt->GetBinContent(x))); | |
1580 | measPt->SetBinError(x, TMath::Sqrt(measPt->GetBinContent(x))); | |
1581 | } | |
1582 | ||
f3eb27f6 | 1583 | sumGen += genePt->Integral(); |
1584 | sumMeas += measPt->Integral(); | |
1585 | ||
1586 | TH1* effPt = (TH1*) genePt->Clone(Form("effPt_%d", i)); | |
1587 | effPt->Reset(); | |
1588 | effPt->Divide(measPt, genePt, 1, 1, "B"); | |
1589 | ||
1590 | Int_t bin = 0; | |
1591 | for (bin=20; bin>=1; bin--) | |
1592 | { | |
1593 | if (effPt->GetBinContent(bin) < 0.5) | |
1594 | break; | |
1595 | } | |
1596 | ||
1597 | Printf("Eff. below 50%% at bin %d, i.e. %.3f GeV/c", bin, effPt->GetXaxis()->GetBinUpEdge(bin)); | |
1598 | ||
1599 | Float_t fraction = genePt->Integral(1, bin) / genePt->Integral(); | |
1600 | Printf("%.4f of the particles are below that momentum", fraction); | |
1601 | ||
1602 | below += genePt->Integral(1, bin); | |
1603 | total += genePt->Integral(); | |
69b09e3b | 1604 | |
f3eb27f6 | 1605 | effPt->SetLineColor(color[i]); |
1606 | effPt->SetMarkerColor(color[i]); | |
1607 | effPt->SetMarkerStyle(marker[i]); | |
69b09e3b | 1608 | effPt->SetMarkerSize(2); |
f3eb27f6 | 1609 | |
69b09e3b | 1610 | effPt->GetXaxis()->SetRangeUser(0, 1); |
1611 | effPt->GetYaxis()->SetRangeUser(0.001, 1); | |
f3eb27f6 | 1612 | |
5a6310fe | 1613 | effPt->GetXaxis()->SetTitleOffset(1.1); |
f3eb27f6 | 1614 | effPt->GetYaxis()->SetTitleOffset(1.2); |
69b09e3b | 1615 | |
1616 | effPt->GetXaxis()->SetTitle("p_{T} (GeV/c)"); | |
f3eb27f6 | 1617 | |
1618 | effPt->SetStats(kFALSE); | |
1619 | effPt->SetTitle(titles[loop]); | |
1620 | effPt->GetYaxis()->SetTitle("Efficiency"); | |
1621 | ||
69b09e3b | 1622 | canvas->cd(loop+1); |
1623 | effPt->DrawCopy((i == 0) ? "" : "SAME"); | |
1624 | ||
1625 | canvas2->cd(); | |
1626 | effPt->SetTitle(""); | |
f3eb27f6 | 1627 | effPt->DrawCopy((i == 0) ? "" : "SAME"); |
69b09e3b | 1628 | |
1629 | canvas3->cd(); | |
1630 | effPtClone = (TH1*) effPt->Clone("effPtClone"); | |
1631 | effPtClone->SetMarkerStyle(marker[i]-4*loop); | |
1632 | effPtClone->DrawCopy((i == 0 && loop == 0) ? "" : "SAME"); | |
1633 | ||
1634 | legend->AddEntry(effPt, ((i == 0) ? "#pi^{#pm}" : ((i == 1) ? "K^{#pm}" : "p,#bar{p}")), "P"); | |
1635 | legends[loop]->AddEntry(effPtClone, ((i == 0) ? "#pi^{#pm}" : ((i == 1) ? "K^{#pm}" : "p,#bar{p}")), "P"); | |
1636 | //legend2->AddEntry(effPt, Form("%s %s", (loop == 0) ? "SPD" : "TPC", ((i == 0) ? "#pi^{#pm}" : ((i == 1) ? "K^{#pm}" : "p,#bar{p}"))), "P"); | |
f3eb27f6 | 1637 | |
69b09e3b | 1638 | if (addDecayStopped) |
1639 | { | |
1640 | name.Form("correction_%d", i+4); | |
1641 | corr = new AliCorrection(name, name); | |
1642 | corr->LoadHistograms(); | |
1643 | ||
1644 | TH3* gene = corr->GetTrackCorrection()->GetGeneratedHistogram(); | |
1645 | TH3* meas = corr->GetTrackCorrection()->GetMeasuredHistogram(); | |
1646 | ||
1647 | // limit axes | |
1648 | gene->GetXaxis()->SetRangeUser(-vtxRange, vtxRange); | |
1649 | meas->GetXaxis()->SetRangeUser(-vtxRange, vtxRange); | |
1650 | gene->GetYaxis()->SetRangeUser(-etaRangeArr[loop], etaRangeArr[loop]); | |
1651 | meas->GetYaxis()->SetRangeUser(-etaRangeArr[loop], etaRangeArr[loop]); | |
1652 | ||
1653 | TH1* decayed = gene->Project3D(Form("z_%d", i+4)); | |
1654 | TH1* stopped = meas->Project3D(Form("z_%d", i+4)); | |
1655 | ||
1656 | Printf("%d: %d decayed, %d stopped, out of %d", i, (Int_t) decayed->Integral(), (Int_t) stopped->Integral(), (Int_t) genePt->Integral()); | |
1657 | ||
1658 | decayed->Divide(decayed, genePt, 1, 1, "B"); | |
1659 | stopped->Divide(stopped, genePt, 1, 1, "B"); | |
1660 | ||
1661 | decayed->SetMarkerStyle(20); | |
1662 | stopped->SetMarkerStyle(21); | |
1663 | stopped->SetMarkerColor(2); | |
1664 | ||
1665 | new TCanvas(Form("all_%d_%d", loop, i), Form("all_%d_%d", loop, i), 600, 600); | |
1666 | effPt->DrawCopy(); | |
1667 | decayed->DrawCopy("SAME"); | |
1668 | stopped->DrawCopy("SAME"); | |
1669 | ||
1670 | decayed->Add(stopped); | |
1671 | decayed->Add(effPt); | |
1672 | decayed->SetMarkerStyle(22); | |
1673 | decayed->SetMarkerColor(4); | |
1674 | decayed->DrawCopy("SAME"); | |
1675 | } | |
1676 | ||
f3eb27f6 | 1677 | } |
1678 | ||
1679 | Printf("In total %.4f of the particles are below their effective pt cut off", (Float_t) below / total); | |
1680 | ||
1681 | Printf("%f measured, %f generated, effiency: %f", sumGen, sumMeas, sumMeas / sumGen); | |
1682 | ||
69b09e3b | 1683 | canvas->cd(loop+1); |
1684 | legend->Draw(); | |
1685 | ||
1686 | canvas2->cd(); | |
f3eb27f6 | 1687 | legend->Draw(); |
69b09e3b | 1688 | canvas2->SaveAs(Form("%s.eps", canvas2->GetName())); |
f3eb27f6 | 1689 | } |
1690 | ||
69b09e3b | 1691 | canvas->cd(); |
f3eb27f6 | 1692 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); |
69b09e3b | 1693 | |
1694 | canvas3->cd(); | |
1695 | legends[0]->Draw(); | |
1696 | legends[1]->Draw(); | |
1697 | canvas3->SaveAs(Form("%s.eps", canvas3->GetName())); | |
f3eb27f6 | 1698 | } |
1699 | ||
69b09e3b | 1700 | void DrawpTCutOff() |
f3eb27f6 | 1701 | { |
69b09e3b | 1702 | /* |
1703 | aliroot -b -q $ALICE_ROOT/PWG0/multiplicity/correct.C'("multiplicityMC_pt_ref.root", "Multiplicity", "multiplicityESD.root", kTRUE)' | |
1704 | mv unfolded.root chi2_ptref.root | |
1705 | aliroot -b -q $ALICE_ROOT/PWG0/multiplicity/correct.C'("multiplicityMC_pt0.root", "Multiplicity", "multiplicityESD.root", kTRUE)' | |
1706 | mv unfolded.root chi2_pt0.root | |
1707 | aliroot -b -q $ALICE_ROOT/PWG0/multiplicity/correct.C'("multiplicityMC_pt1.root", "Multiplicity", "multiplicityESD.root", kTRUE)' | |
1708 | mv unfolded.root chi2_pt1.root | |
1709 | aliroot -b -q $ALICE_ROOT/PWG0/multiplicity/correct.C'("multiplicityMC_pt0_25.root", "Multiplicity", "multiplicityESD.root", kTRUE)' | |
1710 | mv unfolded.root chi2_pt0_25.root | |
1711 | aliroot -b -q $ALICE_ROOT/PWG0/multiplicity/correct.C'("multiplicityMC_pt1_25.root", "Multiplicity", "multiplicityESD.root", kTRUE)' | |
1712 | mv unfolded.root chi2_pt1_25.root | |
1713 | */ | |
f3eb27f6 | 1714 | |
69b09e3b | 1715 | loadlibs(); |
1716 | ||
f3eb27f6 | 1717 | TH1* results[10]; |
69b09e3b | 1718 | const char* files[] = { "chi2_ptref.root", "chi2_pt0.root", "chi2_pt1.root", "chi2_pt0_25.root", "chi2_pt1_25.root"}; |
1719 | ||
1720 | Int_t nMax = 5; | |
f3eb27f6 | 1721 | for (Int_t i = 0; i<nMax; ++i) |
1722 | { | |
69b09e3b | 1723 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open(files[i]); |
1724 | results[i] = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone(Form("result_%d", i)); | |
1725 | } | |
1726 | ||
1727 | const char* legendStrings[] = { "Reduced 50%", "Enhanced 50%", "Reduced 25%", "Enhanced 25%" }; | |
1728 | DrawRatio(results[0], nMax-1, results+1, "LowMomentumSyst.eps", kFALSE, legendStrings); | |
1729 | } | |
f3eb27f6 | 1730 | |
69b09e3b | 1731 | void ParticleSpeciesComparison() |
1732 | { | |
1733 | loadlibs(); | |
f3eb27f6 | 1734 | |
69b09e3b | 1735 | TH1* results[10]; |
1736 | TH1* mc = 0; | |
1737 | ||
1738 | // loop over cases (normal, enhanced/reduced ratios) | |
1739 | Int_t nMax = 9; | |
1740 | for (Int_t i = 0; i<nMax; ++i) | |
1741 | { | |
1742 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open(Form("chi2_species_%d.root", i), Form("Multiplicity_%d", i)); | |
1743 | if (i == 0) | |
1744 | mc = mult->GetMultiplicityVtx(etaRange)->ProjectionY("mymchist", 1, 1); | |
f3eb27f6 | 1745 | results[i] = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone(Form("result_%d", i)); |
f3eb27f6 | 1746 | } |
1747 | ||
69b09e3b | 1748 | DrawResultRatio(mc, results[0], "ParticleSpeciesComparison1_1.eps"); |
f3eb27f6 | 1749 | |
1750 | for (Int_t i=1; i<=results[0]->GetNbinsX(); i++) | |
1751 | { | |
1752 | results[0]->SetBinError(i, 0); | |
1753 | mc->SetBinError(i, 0); | |
1754 | } | |
1755 | ||
69b09e3b | 1756 | const char* legendStrings[] = { "K #times 0.5", "K #times 1.5", "p #times 0.5", "p #times 1.5", "K #times 0.5, p #times 0.5", "K #times 1.5, p #times 1.5", "K #times 0.5, p #times 1.5", "K #times 1.5, p #times 0.5" }; |
f3eb27f6 | 1757 | |
1758 | DrawRatio(results[0], nMax-1, results+1, "ParticleSpeciesComparison1_2.eps", kFALSE, legendStrings); | |
1759 | ||
1760 | //not valid: draw chi2 uncertainty on top! | |
1761 | /*TFile::Open("bayesianUncertainty_400k_100k_syst.root"); | |
1762 | TH1* errorHist = (TH1*) gFile->Get("errorBoth"); | |
1763 | errorHist->SetLineColor(1); | |
1764 | errorHist->SetLineWidth(2); | |
1765 | TH1* errorHist2 = (TH1*) errorHist->Clone("errorHist2"); | |
1766 | for (Int_t i=1; i<=errorHist->GetNbinsX(); i++) | |
1767 | { | |
1768 | errorHist->SetBinContent(i, errorHist->GetBinContent(i) + 1); | |
1769 | errorHist2->SetBinContent(i, 1 - errorHist2->GetBinContent(i)); | |
1770 | } | |
1771 | ||
1772 | errorHist->DrawCopy("SAME"); | |
1773 | errorHist2->DrawCopy("SAME");*/ | |
1774 | ||
1775 | //canvas->SaveAs(canvas->GetName()); | |
1776 | ||
1777 | DrawRatio(mc, nMax, results, "ParticleSpeciesComparison1_3.eps", kTRUE, 0); | |
1778 | ||
1779 | //errorHist->DrawCopy("SAME"); | |
1780 | //errorHist2->DrawCopy("SAME"); | |
1781 | ||
1782 | //canvas2->SaveAs(canvas2->GetName()); | |
1783 | } | |
1784 | ||
1785 | /*void ParticleSpeciesComparison2() | |
1786 | { | |
1787 | gSystem->Load("libPWG0base"); | |
1788 | ||
1789 | const char* fileNameMC = "multiplicityMC_400k_syst.root"; | |
1790 | const char* fileNameESD = "out.root"; // based on multiplicityMC_100k_syst.root | |
1791 | Bool_t chi2 = 0; | |
1792 | ||
1793 | TFile::Open(fileNameMC); | |
1794 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1795 | mult->LoadHistograms(); | |
1796 | ||
1797 | TH1* mc[10]; | |
1798 | TH1* results[10]; | |
1799 | ||
1800 | // loop over cases (normal, enhanced/reduced ratios) | |
1801 | Int_t nMax = 7; | |
1802 | for (Int_t i = 0; i<nMax; ++i) | |
1803 | { | |
1804 | TString folder; | |
1805 | folder.Form("Multiplicity_%d", i); | |
1806 | ||
1807 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection(folder, folder); | |
1808 | ||
1809 | TFile::Open(fileNameESD); | |
1810 | mult2->LoadHistograms(); | |
1811 | ||
1812 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
1813 | ||
1814 | if (chi2) | |
1815 | { | |
1816 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 1e4); | |
1817 | mult->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, kFALSE); | |
1818 | //mult->DrawComparison(Form("ParticleSpeciesComparison_MinuitChi2_%d", i), etaRange, kFALSE, kTRUE, hist2->ProjectionY("mymchist")); | |
1819 | } | |
1820 | else | |
1821 | { | |
1822 | mult->ApplyBayesianMethod(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100); | |
1823 | //mult->DrawComparison(Form("ParticleSpeciesComparison_Bayesian_%d", i), etaRange, kFALSE, kTRUE, hist2->ProjectionY("mymchist2")); | |
1824 | } | |
1825 | ||
1826 | //Float_t averageRatio = 0; | |
1827 | //mult->GetComparisonResults(0, 0, 0, &averageRatio); | |
1828 | ||
1829 | results[i] = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone(Form("result_%d", i)); | |
1830 | ||
1831 | TH2F* hist2 = mult2->GetMultiplicityVtx(etaRange); | |
1832 | mc[i] = (TH1*) hist2->ProjectionY(Form("mymchist_%d", i), -1, -1, "e"); | |
1833 | ||
1834 | //TString fileName; fileName.Form("ParticleSpeciesComparison2_%d.eps", i); | |
1835 | //DrawResultRatio(hist2->ProjectionY("mymchist", -1, -1, "e"), results[i], fileName); | |
1836 | ||
1837 | //Printf("Case %d. Average ratio is %f", i, averageRatio); | |
1838 | } | |
1839 | ||
1840 | DrawRatio(nMax, mc, results, "ParticleSpeciesComparison2.eps"); | |
1841 | }*/ | |
1842 | ||
1843 | TH1* Invert(TH1* eff) | |
1844 | { | |
1845 | // calculate corr = 1 / eff | |
1846 | ||
1847 | TH1* corr = (TH1*) eff->Clone(Form("%s_invert", eff->GetName())); | |
1848 | corr->Reset(); | |
1849 | ||
1850 | for (Int_t i=1; i<=eff->GetNbinsX(); i++) | |
1851 | { | |
1852 | if (eff->GetBinContent(i) > 0) | |
1853 | { | |
1854 | corr->SetBinContent(i, 1.0 / eff->GetBinContent(i)); | |
1855 | corr->SetBinError(i, eff->GetBinError(i) / eff->GetBinContent(i) * corr->GetBinContent(i)); | |
1856 | } | |
1857 | } | |
1858 | ||
1859 | return corr; | |
1860 | } | |
1861 | ||
1862 | void TriggerVertexCorrection() | |
1863 | { | |
1864 | // | |
1865 | // plots the correction performed on the unfolded spectrum to gain the spectrum for the full inelastic sample | |
1866 | // | |
1867 | ||
69b09e3b | 1868 | loadlibs(); |
f3eb27f6 | 1869 | |
1870 | TFile::Open(correctionFile); | |
1871 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1872 | mult->LoadHistograms("Multiplicity"); | |
1873 | ||
1874 | TH1* corrINEL = Invert(mult->GetEfficiency(etaRange, AliMultiplicityCorrection::kINEL)); | |
69b09e3b | 1875 | TH1* corrNSD = Invert(mult->GetEfficiency(etaRange, AliMultiplicityCorrection::kNSD)); |
f3eb27f6 | 1876 | TH1* corrMB = Invert(mult->GetEfficiency(etaRange, AliMultiplicityCorrection::kMB)); |
1877 | ||
69b09e3b | 1878 | TCanvas* canvas = new TCanvas("TriggerVertexCorrection", "TriggerVertexCorrection", 800, 500); |
1879 | gPad->SetGridx(); | |
1880 | gPad->SetGridy(); | |
1881 | gPad->SetTopMargin(0.05); | |
1882 | gPad->SetRightMargin(0.05); | |
f3eb27f6 | 1883 | |
1884 | corrINEL->SetStats(kFALSE); | |
69b09e3b | 1885 | corrINEL->GetXaxis()->SetRangeUser(0, 12); |
1886 | corrINEL->GetYaxis()->SetRangeUser(0, 8); | |
1887 | corrINEL->SetTitle(Form(";%s;Correction factor", GetMultLabel())); | |
f3eb27f6 | 1888 | corrINEL->SetMarkerStyle(22); |
1889 | corrINEL->Draw("PE"); | |
1890 | ||
1891 | corrMB->SetStats(kFALSE); | |
1892 | corrMB->SetLineColor(2); | |
1893 | corrMB->SetMarkerStyle(25); | |
1894 | corrMB->SetMarkerColor(2); | |
1895 | corrMB->Draw("SAME PE"); | |
69b09e3b | 1896 | |
1897 | corrNSD->SetLineColor(4); | |
1898 | corrNSD->SetMarkerStyle(24); | |
1899 | corrNSD->SetMarkerColor(4); | |
1900 | corrNSD->Draw("SAME PE"); | |
1901 | ||
1902 | Printf(" MB INEL NSD"); | |
1903 | Printf("bin 0: %f %f %f", corrMB->GetBinContent(1), corrINEL->GetBinContent(1), corrNSD->GetBinContent(1)); | |
1904 | Printf("bin 1: %f %f %f", corrMB->GetBinContent(2), corrINEL->GetBinContent(2), corrNSD->GetBinContent(2)); | |
f3eb27f6 | 1905 | |
69b09e3b | 1906 | TLegend* legend = new TLegend(0.3, 0.6, 0.85, 0.85); |
f3eb27f6 | 1907 | legend->SetFillColor(0); |
69b09e3b | 1908 | legend->AddEntry(corrINEL, "Correction to inelastic sample"); |
1909 | legend->AddEntry(corrNSD, "Correction to NSD sample"); | |
1910 | legend->AddEntry(corrMB, "Correction to triggered sample"); | |
1911 | legend->SetTextSize(0.04); | |
f3eb27f6 | 1912 | |
1913 | legend->Draw(); | |
1914 | ||
1915 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
1916 | } | |
1917 | ||
1918 | void StatisticalUncertainty(Int_t methodType, Bool_t mc = kFALSE) | |
1919 | { | |
69b09e3b | 1920 | loadlibs(); |
f3eb27f6 | 1921 | |
1922 | TFile::Open(correctionFile); | |
1923 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
1924 | mult->LoadHistograms("Multiplicity"); | |
1925 | ||
1926 | TFile::Open(measuredFile); | |
1927 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
1928 | mult2->LoadHistograms("Multiplicity"); | |
1929 | ||
1930 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
1931 | ||
69b09e3b | 1932 | TH1* mcHist = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc", 1, 1); |
f3eb27f6 | 1933 | |
69b09e3b | 1934 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol0, 1e5); |
1935 | ||
1936 | TH1* errorMeasured = (TH1*) mult->StatisticalUncertainty((AliMultiplicityCorrection::MethodType) methodType, etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, kTRUE, kFALSE, ((mc) ? mcHist : 0))->Clone("errorMeasured"); | |
1937 | ||
1938 | return; | |
1939 | ||
f3eb27f6 | 1940 | TH1* errorResponse = (TH1*) mult->StatisticalUncertainty((AliMultiplicityCorrection::MethodType) methodType, etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, kFALSE, kTRUE, ((mc) ? mcHist : 0))->Clone("errorResponse"); |
1941 | ||
f3eb27f6 | 1942 | TH1* errorBoth = (TH1*) mult->StatisticalUncertainty((AliMultiplicityCorrection::MethodType) methodType, etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, kTRUE, kTRUE, ((mc) ? mcHist : 0))->Clone("errorBoth"); |
1943 | ||
1944 | if (!mc) | |
1945 | { | |
1946 | TH1* result = mult->GetMultiplicityESDCorrected(etaRange); | |
1947 | DrawResultRatio(mcHist, result, "StatisticalUncertainty2.eps"); | |
1948 | } | |
1949 | ||
69b09e3b | 1950 | TFile* file = new TFile(Form("StatisticalUncertaintySPD%s.root", (methodType == 0) ? "Chi2" : "Bayesian"), "RECREATE"); |
1951 | errorResponse->Write(); | |
1952 | errorMeasured->Write(); | |
1953 | errorBoth->Write(); | |
1954 | file->Close(); | |
1955 | } | |
1956 | ||
1957 | void DrawStatisticalUncertainty() | |
1958 | { | |
1959 | TFile::Open("StatisticalUncertainty.root"); | |
1960 | ||
1961 | errorResponse = (TH1*) gFile->Get("errorResponse"); | |
1962 | errorMeasured = (TH1*) gFile->Get("errorMeasured"); | |
1963 | errorBoth = (TH1*) gFile->Get("errorBoth"); | |
1964 | ||
f3eb27f6 | 1965 | TCanvas* canvas = new TCanvas("StatisticalUncertainty", "StatisticalUncertainty", 600, 400); |
1966 | canvas->SetGridx(); | |
1967 | canvas->SetGridy(); | |
1968 | canvas->SetRightMargin(0.05); | |
1969 | canvas->SetTopMargin(0.05); | |
1970 | ||
1971 | errorResponse->SetLineColor(1); | |
69b09e3b | 1972 | errorResponse->GetXaxis()->SetRangeUser(0, longDisplayRange); |
f3eb27f6 | 1973 | errorResponse->GetYaxis()->SetRangeUser(0, 0.3); |
1974 | errorResponse->SetStats(kFALSE); | |
1975 | errorResponse->SetTitle(";true multiplicity;Uncertainty"); | |
1976 | ||
1977 | errorResponse->Draw(); | |
1978 | ||
1979 | errorMeasured->SetLineColor(2); | |
1980 | errorMeasured->Draw("SAME"); | |
1981 | ||
1982 | errorBoth->SetLineColor(4); | |
1983 | errorBoth->Draw("SAME"); | |
1984 | ||
69b09e3b | 1985 | Printf("Average errorResponse: %f", errorResponse->Integral(2, displayRange) / (displayRange - 1)); |
1986 | Printf("Average errorMeasured: %f", errorMeasured->Integral(2, displayRange) / (displayRange - 1)); | |
1987 | Printf("Average errorBoth: %f", errorBoth->Integral(2, displayRange) / (displayRange - 1)); | |
f3eb27f6 | 1988 | |
1989 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
f3eb27f6 | 1990 | } |
1991 | ||
1992 | void StatisticalUncertaintyCompare(const char* det = "SPD") | |
1993 | { | |
1994 | TFile* file1 = TFile::Open(Form("StatisticalUncertainty%sBayesian.root", det)); | |
1995 | TH1* errorResponse = (TH1*) file1->Get("errorResponse"); | |
1996 | TH1* errorMeasured = (TH1*) file1->Get("errorMeasured"); | |
1997 | TH1* errorBoth = (TH1*) file1->Get("errorBoth"); | |
1998 | ||
1999 | TString str; | |
2000 | str.Form("StatisticalUncertaintyCompare%s", det); | |
2001 | ||
69b09e3b | 2002 | TCanvas* canvas = new TCanvas(str, str, 800, 500); |
f3eb27f6 | 2003 | canvas->SetGridx(); |
2004 | canvas->SetGridy(); | |
2005 | canvas->SetRightMargin(0.05); | |
2006 | canvas->SetTopMargin(0.05); | |
69b09e3b | 2007 | |
2008 | errorResponse->Scale(1.0 / sqrt(2)); | |
2009 | errorMeasured->Scale(1.0 / sqrt(2)); | |
2010 | errorBoth->Scale(1.0 / sqrt(2)); | |
f3eb27f6 | 2011 | |
2012 | errorResponse->SetLineColor(1); | |
69b09e3b | 2013 | errorResponse->GetXaxis()->SetRangeUser(0, displayRange); |
2014 | errorResponse->GetYaxis()->SetRangeUser(0, 0.18); | |
f3eb27f6 | 2015 | errorResponse->SetStats(kFALSE); |
2016 | errorResponse->GetYaxis()->SetTitleOffset(1.2); | |
69b09e3b | 2017 | errorResponse->SetTitle(Form(";%s;#sqrt{2}^{-1} #sigma(unfolded - unfolded_{0}) / unfolded_{0}", GetMultLabel())); |
f3eb27f6 | 2018 | |
2019 | errorResponse->Draw(); | |
2020 | ||
2021 | errorMeasured->SetLineColor(2); | |
2022 | errorMeasured->Draw("SAME"); | |
2023 | ||
2024 | errorBoth->SetLineColor(4); | |
2025 | errorBoth->Draw("SAME"); | |
2026 | ||
2027 | TFile* file2 = TFile::Open(Form("StatisticalUncertainty%sChi2.root", det)); | |
69b09e3b | 2028 | TH1* errorResponse2 = (TH1*) file2->Get("errorResponse"); |
2029 | TH1* errorMeasured2 = (TH1*) file2->Get("errorMeasured"); | |
f3eb27f6 | 2030 | TH1* errorBoth2 = (TH1*) file2->Get("errorBoth"); |
2031 | ||
69b09e3b | 2032 | errorResponse2->Scale(1.0 / sqrt(2)); |
2033 | errorMeasured2->Scale(1.0 / sqrt(2)); | |
2034 | errorBoth2->Scale(1.0 / sqrt(2)); | |
2035 | ||
2036 | errorResponse2->SetLineStyle(2); | |
2037 | errorResponse2->Draw("SAME"); | |
2038 | ||
2039 | errorMeasured2->SetLineColor(2); | |
2040 | errorMeasured2->SetLineStyle(2); | |
2041 | errorMeasured2->Draw("SAME"); | |
2042 | ||
f3eb27f6 | 2043 | errorBoth2->SetLineColor(4); |
2044 | errorBoth2->SetLineStyle(2); | |
2045 | errorBoth2->Draw("SAME"); | |
2046 | ||
69b09e3b | 2047 | TLegend* legend = new TLegend(0.2, 0.5, 0.8, 0.9); |
f3eb27f6 | 2048 | legend->SetFillColor(0); |
69b09e3b | 2049 | legend->SetTextSize(0.04); |
2050 | legend->AddEntry(errorBoth, "Both (Bayesian unfolding)"); | |
2051 | legend->AddEntry(errorMeasured, "Measured (Bayesian unfolding)"); | |
2052 | legend->AddEntry(errorResponse, "Response matrix (Bayesian unfolding)"); | |
2053 | legend->AddEntry(errorBoth2, "Both (#chi^{2}-minimization)"); | |
2054 | legend->AddEntry(errorMeasured2, "Measured (#chi^{2}-minimization)"); | |
2055 | legend->AddEntry(errorResponse2, "Response matrix (#chi^{2}-minimization)"); | |
f3eb27f6 | 2056 | legend->Draw(); |
2057 | ||
2058 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
2059 | } | |
2060 | ||
2061 | void EfficiencyComparison(Int_t eventType = 2, Bool_t uncertainty = kTRUE) | |
2062 | { | |
69b09e3b | 2063 | const char* files[] = { "multiplicityMC_nd.root", "multiplicityMC_sd.root", "multiplicityMC_dd.root", "multiplicityMC_xsection.root" }; |
f3eb27f6 | 2064 | |
69b09e3b | 2065 | loadlibs(); |
f3eb27f6 | 2066 | |
b3b260d1 | 2067 | TCanvas* canvas = new TCanvas("EfficiencyComparison", "EfficiencyComparison", 800, 600); |
f3eb27f6 | 2068 | canvas->SetGridx(); |
2069 | canvas->SetGridy(); | |
2070 | canvas->SetRightMargin(0.05); | |
2071 | canvas->SetTopMargin(0.05); | |
2072 | ||
2073 | AliMultiplicityCorrection* data[4]; | |
2074 | TH1* effArray[4]; | |
69b09e3b | 2075 | TH1* effErrorArray[2]; |
f3eb27f6 | 2076 | |
2077 | Int_t markers[] = { 24, 25, 26, 5 }; | |
69b09e3b | 2078 | //Int_t markers[] = { 2, 25, 24, 5 }; |
2079 | Int_t colors[] = { 1, 2, 4, 6 }; | |
2080 | //Int_t colors[] = { 1, 1, 1, 1 }; | |
f3eb27f6 | 2081 | |
69b09e3b | 2082 | //TLegend* legend = new TLegend(0.45, 0.45, 0.9, 0.7); |
2083 | TLegend* legend = new TLegend(0.3, 0.3, 0.9, 0.6); | |
2084 | legend->SetTextSize(0.04); | |
f3eb27f6 | 2085 | legend->SetFillColor(0); |
69b09e3b | 2086 | |
f3eb27f6 | 2087 | for (Int_t i=0; i<4; ++i) |
2088 | { | |
2089 | TString name; | |
2090 | name.Form("Multiplicity_%d", i); | |
2091 | ||
2092 | TFile::Open(files[i]); | |
2093 | data[i] = new AliMultiplicityCorrection(name, name); | |
2094 | ||
2095 | if (i < 3) | |
2096 | { | |
2097 | data[i]->LoadHistograms("Multiplicity"); | |
2098 | } | |
2099 | else | |
2100 | data[i]->LoadHistograms("Multiplicity_0"); | |
2101 | ||
69b09e3b | 2102 | TH1* eff = 0; |
2103 | if (eventType == -1) | |
2104 | { | |
2105 | eff = (TH1*) data[i]->GetTriggerEfficiency(etaRange)->Clone(Form("eff_%d", i)); | |
2106 | } | |
2107 | else | |
2108 | eff = (TH1*) data[i]->GetEfficiency(etaRange, (AliMultiplicityCorrection::EventType) eventType)->Clone(Form("eff_%d", i)); | |
f3eb27f6 | 2109 | effArray[i] = eff; |
2110 | ||
2111 | eff->GetXaxis()->SetRangeUser(0, 15); | |
69b09e3b | 2112 | eff->GetYaxis()->SetRangeUser(0, 1.19); |
f3eb27f6 | 2113 | eff->SetStats(kFALSE); |
69b09e3b | 2114 | eff->GetXaxis()->SetTitle(GetMultLabel()); |
2115 | eff->GetYaxis()->SetTitle("Efficiency"); | |
2116 | eff->SetTitle(""); | |
f3eb27f6 | 2117 | eff->SetLineColor(colors[i]); |
2118 | eff->SetMarkerColor(colors[i]); | |
2119 | eff->SetMarkerStyle(markers[i]); | |
2120 | ||
2121 | if (i == 3) | |
2122 | { | |
69b09e3b | 2123 | // once for INEL, once for NSD |
2124 | for (AliMultiplicityCorrection::EventType eventType2 = AliMultiplicityCorrection::kINEL; eventType2 <= AliMultiplicityCorrection::kNSD; eventType2++) | |
f3eb27f6 | 2125 | { |
69b09e3b | 2126 | effDiff = (TH1*) data[i]->GetEfficiency(etaRange, eventType2)->Clone(Form("effDiff_%d", i)); |
2127 | ||
2128 | for (Int_t bin=1; bin<=effDiff->GetNbinsX(); bin++) | |
2129 | effDiff->SetBinError(bin, 0); | |
2130 | ||
2131 | // loop over cross section combinations | |
2132 | for (Int_t j=1; j<7; ++j) | |
f3eb27f6 | 2133 | { |
69b09e3b | 2134 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multtmp", "Multtmp"); |
2135 | mult->LoadHistograms(Form("Multiplicity_%d", j)); | |
2136 | ||
2137 | TH1* eff2 = mult->GetEfficiency(etaRange, eventType2); | |
2138 | ||
2139 | for (Int_t bin=1; bin<=effDiff->GetNbinsX(); bin++) | |
2140 | { | |
2141 | // TODO we could also do asymmetric errors here | |
2142 | Float_t deviation = TMath::Abs(effDiff->GetBinContent(bin) - eff2->GetBinContent(bin)); | |
2143 | ||
2144 | effDiff->SetBinError(bin, TMath::Max(effDiff->GetBinError(bin), (Double_t) deviation)); | |
2145 | } | |
2146 | } | |
2147 | ||
2148 | for (Int_t bin=1; bin<=effDiff->GetNbinsX(); bin++) | |
2149 | { | |
2150 | //if (eventType2 == AliMultiplicityCorrection::kINEL) | |
2151 | //eff->SetBinError(bin, 0); | |
2152 | //eff->SetBinError(bin, effDiff->GetBinError(bin)); | |
2153 | if (bin < 20 && effDiff->GetBinContent(bin) > 0) | |
2154 | Printf("Bin %d: Error: %.2f", bin, 100.0 * effDiff->GetBinError(bin) / effDiff->GetBinContent(bin)); | |
2155 | } | |
2156 | ||
2157 | if (uncertainty) { | |
2158 | TH1* effError = (TH1*) effDiff->Clone(Form("effError_%s", (eventType2 == AliMultiplicityCorrection::kINEL) ? "INEL" : "NSD")); | |
2159 | effErrorArray[eventType2 - AliMultiplicityCorrection::kINEL] = effError; | |
2160 | effError->Reset(); | |
2161 | ||
2162 | for (Int_t bin=1; bin<=effDiff->GetNbinsX(); bin++) | |
2163 | if (effDiff->GetBinContent(bin) > 0) | |
2164 | effError->SetBinContent(bin, 1.0 * effDiff->GetBinError(bin) / effDiff->GetBinContent(bin)); | |
2165 | ||
2166 | effError->SetLineColor(1); | |
2167 | effError->SetMarkerStyle(1); | |
2168 | ||
2169 | if (eventType2 == AliMultiplicityCorrection::kNSD) | |
2170 | effError->SetLineStyle(2); | |
2171 | ||
2172 | effError->DrawCopy("SAME HIST"); | |
f3eb27f6 | 2173 | } |
f3eb27f6 | 2174 | } |
2175 | } | |
2176 | ||
f3eb27f6 | 2177 | canvas->cd(); |
2178 | if (i == 0) | |
2179 | { | |
2180 | eff->DrawCopy("P"); | |
2181 | } | |
2182 | else | |
2183 | eff->DrawCopy("SAME P"); | |
2184 | ||
69b09e3b | 2185 | legend->AddEntry(eff, (((i == 0) ? "Non-diffractive" : ((i == 1) ? "Single-diffractive" : ((i == 2) ? "Double-diffractive" : "Pythia combined"))))); |
f3eb27f6 | 2186 | } |
2187 | ||
2188 | if (uncertainty) | |
69b09e3b | 2189 | { |
2190 | legend->AddEntry(effErrorArray[0], "Relative syst. uncertainty: inelastic"); | |
2191 | legend->AddEntry(effErrorArray[1], "Relative syst. uncertainty: NSD"); | |
2192 | ||
2193 | file = TFile::Open("uncertainty_xsection.root", "RECREATE"); | |
2194 | effErrorArray[0]->Write(); | |
2195 | effErrorArray[1]->Write(); | |
2196 | file->Close(); | |
2197 | } | |
f3eb27f6 | 2198 | |
2199 | legend->Draw(); | |
2200 | ||
2201 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
2202 | } | |
2203 | ||
2204 | void ModelDependencyPlot() | |
2205 | { | |
69b09e3b | 2206 | loadlibs(); |
f3eb27f6 | 2207 | |
69b09e3b | 2208 | TFile::Open("multiplicityMC.root"); |
f3eb27f6 | 2209 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); |
2210 | mult->LoadHistograms("Multiplicity"); | |
69b09e3b | 2211 | |
2212 | hist = mult->GetCorrelation(etaRange); | |
2213 | ||
2214 | for (Int_t y=0; y<=hist->GetYaxis()->GetNbins()+1; ++y) | |
2215 | { | |
2216 | for (Int_t z=0; z<=hist->GetZaxis()->GetNbins()+1; ++z) | |
2217 | { | |
2218 | hist->SetBinContent(0, y, z, 0); | |
2219 | hist->SetBinContent(hist->GetXaxis()->GetNbins()+1, y, z, 0); | |
2220 | } | |
2221 | } | |
f3eb27f6 | 2222 | |
69b09e3b | 2223 | TH2* proj = (TH2*) hist->Project3D("zy"); |
f3eb27f6 | 2224 | |
69b09e3b | 2225 | TCanvas* canvas = new TCanvas("ModelDependencyPlot", "ModelDependencyPlot", 1200, 600); |
f3eb27f6 | 2226 | |
2227 | canvas->Divide(2, 1); | |
2228 | ||
2229 | canvas->cd(2); | |
2230 | gPad->SetLogy(); | |
69b09e3b | 2231 | gPad->SetGridx(); |
2232 | gPad->SetGridy(); | |
2233 | gPad->SetTopMargin(0.05); | |
2234 | gPad->SetRightMargin(0.05); | |
f3eb27f6 | 2235 | |
2236 | Int_t selectedMult = 30; | |
69b09e3b | 2237 | Int_t yMax = 9e4; |
f3eb27f6 | 2238 | |
2239 | TH1* full = proj->ProjectionX("full"); | |
2240 | TH1* selected = proj->ProjectionY("selected", proj->GetXaxis()->FindBin(selectedMult), proj->GetXaxis()->FindBin(selectedMult)); | |
2241 | ||
2242 | full->SetStats(kFALSE); | |
69b09e3b | 2243 | full->GetXaxis()->SetRangeUser(0, displayRange); |
f3eb27f6 | 2244 | full->GetYaxis()->SetRangeUser(5, yMax); |
69b09e3b | 2245 | full->SetTitle(";Multiplicity;Entries"); |
f3eb27f6 | 2246 | |
2247 | selected->SetLineColor(0); | |
2248 | selected->SetMarkerColor(2); | |
69b09e3b | 2249 | selected->SetMarkerStyle(5); |
f3eb27f6 | 2250 | |
2251 | full->Draw(); | |
2252 | selected->Draw("SAME P"); | |
2253 | ||
2254 | TLegend* legend = new TLegend(0.5, 0.65, 0.85, 0.85); | |
2255 | legend->SetFillColor(0); | |
69b09e3b | 2256 | legend->AddEntry(full, "True"); |
2257 | legend->AddEntry(selected, "Measured"); | |
f3eb27f6 | 2258 | legend->Draw(); |
2259 | ||
2260 | TLine* line = new TLine(selectedMult, 5, selectedMult, yMax); | |
2261 | line->SetLineWidth(2); | |
2262 | line->Draw(); | |
2263 | ||
2264 | canvas->cd(1); | |
2265 | gPad->SetLogy(); | |
69b09e3b | 2266 | gPad->SetGridx(); |
2267 | gPad->SetGridy(); | |
2268 | gPad->SetTopMargin(0.05); | |
2269 | gPad->SetRightMargin(0.05); | |
f3eb27f6 | 2270 | |
2271 | full = proj->ProjectionY("full2"); | |
2272 | selected = proj->ProjectionX("selected2", proj->GetYaxis()->FindBin(selectedMult), proj->GetYaxis()->FindBin(selectedMult)); | |
2273 | ||
2274 | full->SetStats(kFALSE); | |
69b09e3b | 2275 | full->GetXaxis()->SetRangeUser(0, displayRange); |
f3eb27f6 | 2276 | full->GetYaxis()->SetRangeUser(5, yMax); |
69b09e3b | 2277 | full->SetTitle(";Multiplicity;Entries"); |
f3eb27f6 | 2278 | |
2279 | full->SetLineColor(0); | |
2280 | full->SetMarkerColor(2); | |
69b09e3b | 2281 | full->SetMarkerStyle(5); |
f3eb27f6 | 2282 | |
2283 | full->Draw("P"); | |
2284 | selected->Draw("SAME"); | |
2285 | ||
2286 | legend->Draw(); | |
2287 | ||
2288 | line = new TLine(selectedMult, 5, selectedMult, yMax); | |
2289 | line->SetLineWidth(2); | |
2290 | line->Draw(); | |
2291 | ||
2292 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
2293 | } | |
2294 | ||
2295 | void SystematicpTSpectrum() | |
2296 | { | |
2297 | gSystem->Load("libPWG0base"); | |
2298 | ||
2299 | TFile::Open("multiplicityMC_400k_syst_ptspectrum.root"); | |
2300 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2301 | mult->LoadHistograms("Multiplicity"); | |
2302 | ||
2303 | TFile::Open("multiplicityMC_100k_syst.root"); | |
2304 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
69b09e3b | 2305 | mult2->LoadHistograms("Multiplicity"); |
f3eb27f6 | 2306 | |
69b09e3b | 2307 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); |
2308 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
2309 | mult->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
f3eb27f6 | 2310 | |
69b09e3b | 2311 | TH1* mcHist = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc"); |
2312 | TH1* result = mult->GetMultiplicityESDCorrected(etaRange); | |
f3eb27f6 | 2313 | |
69b09e3b | 2314 | DrawResultRatio(mcHist, result, "SystematicpTSpectrum.eps"); |
2315 | } | |
f3eb27f6 | 2316 | |
69b09e3b | 2317 | void FitPt(const char* fileName) |
2318 | { | |
2319 | // needs a MC file from the dNdEta analysis | |
f3eb27f6 | 2320 | |
69b09e3b | 2321 | TFile::Open(fileName); |
f3eb27f6 | 2322 | |
69b09e3b | 2323 | TH1* genePt = (TH1*) gFile->Get("fdNdpT"); |
2324 | ||
2325 | genePt->SetTitle(";p_{T} (GeV/c);1/p_{T} dN_{ch}/dp_{T} (GeV/c)^{-2}"); | |
2326 | // number of events | |
2327 | genePt->Scale(1.0 / 287800); | |
2328 | // bin width | |
2329 | genePt->Scale(1.0 / genePt->GetXaxis()->GetBinWidth(1)); | |
2330 | ||
2331 | genePt->GetXaxis()->SetRangeUser(0, 0.4); | |
f3eb27f6 | 2332 | |
69b09e3b | 2333 | TF1* func = new TF1("func", "[1]*x*exp(x*[0])"); |
2334 | func->SetParameters(-1, 1); | |
f3eb27f6 | 2335 | |
2336 | genePt->SetMarkerStyle(25); | |
2337 | genePt->SetTitle(""); | |
2338 | genePt->SetStats(kFALSE); | |
f3eb27f6 | 2339 | |
2340 | new TCanvas; | |
2341 | genePt->DrawCopy("P"); | |
f3eb27f6 | 2342 | func->DrawCopy("SAME"); |
2343 | gPad->SetLogy(); | |
2344 | ||
69b09e3b | 2345 | genePt->Fit(func, "0", "", 0, 0.25); |
2346 | genePt->Fit(func, "0", "", 0, 0.25); | |
f3eb27f6 | 2347 | |
69b09e3b | 2348 | TCanvas* canvas = new TCanvas("FitPt", "FitPt", 600, 600); |
f3eb27f6 | 2349 | |
2350 | gPad->SetGridx(); | |
2351 | gPad->SetGridy(); | |
2352 | gPad->SetLeftMargin(0.13); | |
2353 | gPad->SetRightMargin(0.05); | |
2354 | gPad->SetTopMargin(0.05); | |
2355 | ||
69b09e3b | 2356 | //genePt->GetXaxis()->SetRangeUser(0, 1); |
2357 | genePt->GetYaxis()->SetRangeUser(2, 200); | |
f3eb27f6 | 2358 | genePt->GetYaxis()->SetTitleOffset(1.4); |
2359 | genePt->GetXaxis()->SetTitleOffset(1.1); | |
2360 | genePt->DrawCopy("P"); | |
69b09e3b | 2361 | //func->SetRange(0, 0.3); |
f3eb27f6 | 2362 | func->DrawCopy("SAME"); |
2363 | gPad->SetLogy(); | |
2364 | ||
2365 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
69b09e3b | 2366 | |
f3eb27f6 | 2367 | TH1* first = (TH1*) func->GetHistogram()->Clone("first"); |
2368 | ||
2369 | TCanvas* canvas2 = new TCanvas("FitPt2", "FitPt2", 600, 400); | |
2370 | ||
2371 | TFile* file = TFile::Open("ptspectrum_fit.root", "RECREATE"); | |
2372 | ||
69b09e3b | 2373 | for (Int_t param=0; param<2; param++) |
f3eb27f6 | 2374 | { |
2375 | for (Int_t sign=0; sign<2; sign++) | |
2376 | { | |
2377 | TF1* func2 = (TF1*) func->Clone(Form("func_%d_%d", param, sign)); // new TF1(Form("func_%d_%d", param, sign), &FitPtFunc, 0, 2, 6); | |
2378 | func2->SetParameters(func->GetParameters()); | |
2379 | //TF1* func2 = (TF1*) func->Clone(); // SetParameter after this does not work | |
2380 | ||
69b09e3b | 2381 | Float_t factor = ((sign == 0) ? 0.75 : 1.25); |
f3eb27f6 | 2382 | func2->SetParameter(param, func2->GetParameter(param) * factor); |
2383 | //func2->Print(); | |
2384 | ||
69b09e3b | 2385 | canvas->cd(); |
2386 | func2->SetLineWidth(2); | |
f3eb27f6 | 2387 | func2->SetLineColor(2); |
69b09e3b | 2388 | func2->SetLineStyle(2); |
f3eb27f6 | 2389 | func2->DrawCopy("SAME"); |
2390 | ||
2391 | canvas2->cd(); | |
2392 | TH1* second = func2->GetHistogram(); | |
2393 | second->Divide(first); | |
2394 | second->SetLineColor(param + 1); | |
69b09e3b | 2395 | // set to 1 above 0.2 GeV |
2396 | for (Int_t bin=second->GetXaxis()->FindBin(0.20001); bin<=second->GetNbinsX(); bin++) | |
2397 | second->SetBinContent(bin, 1); | |
f3eb27f6 | 2398 | second->GetYaxis()->SetRangeUser(0, 2); |
2399 | second->DrawCopy((param == 0 && sign == 0) ? "" : "SAME"); | |
2400 | second->Clone(Form("ptspectrum_%d_%d", param, sign))->Write(); | |
2401 | } | |
2402 | } | |
2403 | ||
2404 | canvas->SaveAs(Form("%s.eps", canvas->GetName())); | |
2405 | canvas2->SaveAs(Form("%s.eps", canvas2->GetName())); | |
2406 | ||
2407 | file->Close(); | |
2408 | } | |
2409 | ||
2410 | void DrawSystematicpT() | |
2411 | { | |
2412 | TFile* file = TFile::Open("SystematicpT.root"); | |
2413 | ||
2414 | TH1* mcHist2 = (TH1*) file->Get("mymc_unity"); | |
2415 | TH1* result2 = (TH1*) file->Get("result_unity"); | |
2416 | ||
2417 | TH1* mcHist[12]; | |
2418 | TH1* result[12]; | |
2419 | ||
2420 | Int_t nParams = 5; | |
2421 | ||
2422 | for (Int_t id=0; id<nParams*2; ++id) | |
2423 | { | |
2424 | mcHist[id] = (TH1*) file->Get(Form("mymc_%d_%d.root", id / 2, id % 2)); | |
2425 | result[id] = (TH1*) file->Get(Form("result_%d_%d.root", id / 2, id % 2)); | |
2426 | } | |
2427 | ||
2428 | DrawResultRatio(mcHist2, result2, "SystematicpT_OK.eps"); | |
2429 | ||
2430 | //DrawRatioDeduct(mcHist2, result2, nParams*2, mcHist, result, "SystematicpT_Summary.eps"); | |
2431 | ||
2432 | DrawRatio(nParams*2, mcHist, result, "SystematicpT_Ratios.eps", kTRUE, kTRUE); | |
2433 | ||
2434 | //DrawRatioDeductSmooth(mcHist2, result2, nParams*2, mcHist, result, "SystematicpT_Summary.eps"); | |
2435 | ||
2436 | // does not make sense: mc is different | |
2437 | //Draw2ResultRatio(mcHist, result1, result2, "SystematicpT.eps"); | |
2438 | } | |
2439 | ||
2440 | void SystematicpT(Bool_t chi2 = 1) | |
2441 | { | |
2442 | gSystem->Load("libPWG0base"); | |
2443 | ||
2444 | TFile::Open("ptspectrum900.root"); | |
2445 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2446 | mult->LoadHistograms("Multiplicity"); | |
2447 | ||
2448 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
2449 | ||
2450 | TH1* mcHist[12]; | |
2451 | TH1* result[12]; | |
2452 | ||
2453 | Int_t nParams = 5; | |
2454 | ||
2455 | for (Int_t param=0; param<nParams; param++) | |
2456 | { | |
2457 | for (Int_t sign=0; sign<2; sign++) | |
2458 | { | |
2459 | // calculate result with systematic effect | |
2460 | TFile::Open(Form("ptspectrum100_%d_%d.root", param, sign)); | |
2461 | mult2->LoadHistograms("Multiplicity"); | |
2462 | ||
2463 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
2464 | ||
2465 | if (chi2) | |
2466 | { | |
2467 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
2468 | mult->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
2469 | } | |
2470 | else | |
2471 | mult->ApplyBayesianMethod(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100, 0); | |
2472 | ||
2473 | Int_t id = param * 2 + sign; | |
2474 | ||
2475 | mcHist[id] = mult2->GetMultiplicityVtx(etaRange)->ProjectionY(Form("mymc_%d_%d.root", param, sign)); | |
2476 | result[id] = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone(Form("result_%d_%d.root", param, sign)); | |
2477 | ||
2478 | TString tmp; tmp.Form("SystematicpT_%d_%d.eps", param, sign); | |
2479 | DrawResultRatio(mcHist[id], result[id], tmp); | |
2480 | } | |
2481 | } | |
2482 | ||
2483 | // calculate normal result | |
2484 | TFile::Open("ptspectrum100_1.root"); | |
2485 | mult2->LoadHistograms("Multiplicity"); | |
2486 | TH1* mcHist2 = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc_unity"); | |
2487 | ||
2488 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
2489 | ||
2490 | if (chi2) | |
2491 | { | |
2492 | mult->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
2493 | } | |
2494 | else | |
2495 | mult->ApplyBayesianMethod(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100); | |
2496 | ||
2497 | TH1* result2 = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone("result_unity"); | |
2498 | ||
2499 | TFile* file = TFile::Open("SystematicpT.root", "RECREATE"); | |
2500 | mcHist2->Write(); | |
2501 | result2->Write(); | |
2502 | for (Int_t id=0; id<nParams*2; ++id) | |
2503 | { | |
2504 | mcHist[id]->Write(); | |
2505 | result[id]->Write(); | |
2506 | } | |
2507 | file->Close(); | |
2508 | ||
2509 | DrawSystematicpT(); | |
2510 | } | |
2511 | ||
2512 | void DrawSystematicpT2() | |
2513 | { | |
2514 | //displayRange = 200; | |
2515 | ||
2516 | // read from file | |
2517 | TFile* file = TFile::Open("SystematicpT2.root"); | |
2518 | TH1* mcHist = (TH1*) file->Get("mymc"); | |
2519 | TH1* result[12]; | |
2520 | result[0] = (TH1*) file->Get("result_unity"); | |
2521 | Int_t nParams = 5; | |
2522 | for (Int_t id=0; id<nParams*2; ++id) | |
2523 | result[id+1] = (TH1*) file->Get(Form("result_%d_%d", id / 2, id % 2)); | |
2524 | ||
2525 | DrawResultRatio((TH1*) mcHist->Clone(), (TH1*) result[0]->Clone(), "SystematicpT_OK.eps"); | |
2526 | DrawRatio(mcHist, nParams*2+1, result, "SystematicpT_Ratios_MC.eps", kTRUE); | |
2527 | DrawRatio(result[0], nParams*2, result+1, "SystematicpT_Ratios.eps"); | |
2528 | } | |
2529 | ||
2530 | void SystematicpT2(Bool_t tpc = kTRUE, Bool_t chi2 = kTRUE) | |
2531 | { | |
2532 | gSystem->Load("libPWG0base"); | |
2533 | ||
2534 | if (tpc) | |
2535 | { | |
2536 | SetTPC(); | |
2537 | TFile::Open("multiplicityMC_TPC_0.6M_syst_pt_unity.root"); | |
2538 | } | |
2539 | else | |
2540 | TFile::Open("ptspectrum100_1.root"); | |
2541 | ||
2542 | AliMultiplicityCorrection* measured = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2543 | measured->LoadHistograms("Multiplicity"); | |
2544 | TH1* mcHist = measured->GetMultiplicityVtx(etaRange)->ProjectionY("mymc"); | |
2545 | ||
2546 | TH1* result[12]; | |
2547 | ||
2548 | Int_t nParams = 5; | |
2549 | ||
2550 | // -1 = unity change, 0...4 parameters | |
2551 | for (Int_t id=-1; id<nParams*2; id++) | |
2552 | { | |
2553 | Int_t param = id / 2; | |
2554 | Int_t sign = id % 2; | |
2555 | ||
2556 | TString idStr; | |
2557 | if (id == -1) | |
2558 | { | |
2559 | idStr = "unity"; | |
2560 | } | |
2561 | else | |
2562 | idStr.Form("%d_%d", param, sign); | |
2563 | ||
2564 | // calculate result with systematic effect | |
2565 | if (tpc) | |
2566 | { | |
2567 | TFile::Open(Form("multiplicityMC_TPC_1.3M_syst_pt_%s.root", idStr.Data())); | |
2568 | } | |
2569 | else | |
2570 | TFile::Open(Form("ptspectrum900_%s.root", idStr.Data())); | |
2571 | ||
2572 | AliMultiplicityCorrection* response = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
2573 | response->LoadHistograms("Multiplicity"); | |
2574 | ||
2575 | response->SetMultiplicityESD(etaRange, measured->GetMultiplicityESD(etaRange)); | |
2576 | ||
2577 | if (chi2) | |
2578 | { | |
2579 | response->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
2580 | response->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
2581 | } | |
2582 | else | |
2583 | response->ApplyBayesianMethod(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100, 0); | |
2584 | ||
2585 | result[id+1] = (TH1*) response->GetMultiplicityESDCorrected(etaRange)->Clone(Form("result_%s", idStr.Data())); | |
2586 | ||
2587 | TString tmp; tmp.Form("SystematicpT_%s.eps", idStr.Data()); | |
2588 | DrawResultRatio(mcHist, result[id+1], tmp); | |
2589 | } | |
2590 | ||
2591 | TFile* file = TFile::Open("SystematicpT2.root", "RECREATE"); | |
2592 | mcHist->Write(); | |
2593 | for (Int_t id=0; id<nParams*2+1; ++id) | |
2594 | result[id]->Write(); | |
2595 | file->Close(); | |
2596 | ||
2597 | DrawSystematicpT2(); | |
2598 | } | |
2599 | ||
2600 | void SystematicpTCutOff(Bool_t chi2 = kTRUE) | |
2601 | { | |
2602 | // only needed for TPC | |
2603 | SetTPC(); | |
2604 | ||
2605 | gSystem->Load("libPWG0base"); | |
2606 | ||
2607 | TFile::Open("multiplicityMC_TPC_1.3M_syst_pt_unity.root"); | |
2608 | AliMultiplicityCorrection* mult = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
2609 | mult->LoadHistograms("Multiplicity"); | |
2610 | ||
2611 | TFile::Open("multiplicityMC_TPC_0.6M_syst_pt_unity.root"); | |
2612 | AliMultiplicityCorrection* mult2 = new AliMultiplicityCorrection("Multiplicity2", "Multiplicity2"); | |
2613 | mult2->LoadHistograms("Multiplicity"); | |
2614 | ||
2615 | // "normal" result | |
2616 | mult->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
2617 | ||
2618 | if (chi2) | |
2619 | { | |
2620 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
2621 | mult->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
2622 | } | |
2623 | else | |
2624 | mult->ApplyBayesianMethod(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100); | |
2625 | ||
2626 | TH1* mcHist = mult2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc"); | |
2627 | TH1* result1 = (TH1*) mult->GetMultiplicityESDCorrected(etaRange)->Clone("result1"); | |
2628 | ||
2629 | TH1* syst[2]; | |
2630 | ||
2631 | // change of pt spectrum (down) | |
2632 | TFile::Open("multiplicityMC_TPC_1.3M_syst_pt_red.root"); | |
2633 | AliMultiplicityCorrection* mult3 = new AliMultiplicityCorrection("Multiplicity3", "Multiplicity3"); | |
2634 | mult3->LoadHistograms("Multiplicity"); | |
2635 | mult3->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
2636 | if (chi2) | |
2637 | { | |
2638 | mult3->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
2639 | mult3->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
2640 | } | |
2641 | else | |
2642 | mult3->ApplyBayesianMethod(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100); | |
2643 | syst[0] = (TH1*) mult3->GetMultiplicityESDCorrected(etaRange)->Clone("result2"); | |
2644 | ||
2645 | // change of pt spectrum (up) | |
2646 | TFile::Open("multiplicityMC_TPC_1.3M_syst_pt_inc.root"); | |
2647 | AliMultiplicityCorrection* mult4 = new AliMultiplicityCorrection("Multiplicity4", "Multiplicity4"); | |
2648 | mult4->LoadHistograms("Multiplicity"); | |
2649 | mult4->SetMultiplicityESD(etaRange, mult2->GetMultiplicityESD(etaRange)); | |
2650 | if (chi2) | |
2651 | { | |
2652 | mult4->SetRegularizationParameters(AliMultiplicityCorrection::kPol1, 10000); | |
2653 | mult4->ApplyMinuitFit(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx); | |
2654 | } | |
2655 | else | |
2656 | mult4->ApplyBayesianMethod(etaRange, kFALSE, AliMultiplicityCorrection::kTrVtx, 1, 100); | |
2657 | syst[1] = (TH1*) mult4->GetMultiplicityESDCorrected(etaRange)->Clone("result3"); | |
2658 | ||
2659 | DrawRatio(result1, 2, syst, "SystematicpTCutOff.eps", kFALSE, 0, kTRUE); | |
2660 | ||
2661 | Draw2ResultRatio(mcHist, result1, syst[0], "SystematicpTCutOff1.eps"); | |
2662 | Draw2ResultRatio(mcHist, result1, syst[1], "SystematicpTCutOff2.eps"); | |
2663 | } | |
2664 | ||
69b09e3b | 2665 | TH1* SystematicsSummary(Bool_t tpc = 0, Bool_t nsd = kTRUE) |
f3eb27f6 | 2666 | { |
2667 | Int_t nEffects = 7; | |
2668 | ||
2669 | TH1* effects[10]; | |
2670 | const char** names = 0; | |
69b09e3b | 2671 | Int_t colors[] = { 1, 2, 4, 1, 2, 4 }; |
2672 | Int_t styles[] = { 1, 2, 3, 1, 2, 3 }; | |
2673 | Int_t widths[] = { 1, 1, 1, 2, 2, 2 }; | |
f3eb27f6 | 2674 | Int_t markers[] = { 20, 21, 22, 23, 24, 25, 26 }; |
69b09e3b | 2675 | |
2676 | TH1* dummy = new TH2F("dummy", Form(";%s;Uncertainty", GetMultLabel()), 202, -1.5, 200.5, 100, 0, 0.4); | |
2677 | dummy->SetStats(0); | |
f3eb27f6 | 2678 | |
2679 | for (Int_t i=0; i<nEffects; ++i) | |
69b09e3b | 2680 | effects[i] = new TH1F("SystematicsSummary", Form(";%s;Uncertainty", GetMultLabel()), 201, -0.5, 200.5); |
f3eb27f6 | 2681 | |
2682 | if (tpc) | |
2683 | { | |
2684 | SetTPC(); | |
2685 | ||
2686 | const char* namesTPC[] = { "Unfolding method (#chi^{2})", "Rel. cross-section", "Particle composition", "p_{t} cut off", "Track selection", "Secondaries", "p_{t} spectrum" }; | |
2687 | names = namesTPC; | |
2688 | ||
2689 | // method | |
2690 | TFile* file = TFile::Open("StatisticalUncertaintyTPCChi2.root"); | |
2691 | TH1* hist = (TH1*) file->Get("errorBoth"); | |
2692 | ||
2693 | // smooth a bit, but skip 0 bin | |
2694 | effects[0]->SetBinContent(2, hist->GetBinContent(2)); | |
2695 | for (Int_t i=3; i<=200; ++i) | |
2696 | effects[0]->SetBinContent(i, (hist->GetBinContent(i) + hist->GetBinContent(i+1)) / 2); | |
2697 | ||
2698 | // relative x-section | |
2699 | effects[1]->SetBinContent(2, 0.005); | |
2700 | effects[1]->SetBinContent(3, 0.0025); | |
2701 | effects[1]->SetBinContent(4, 0.0025); | |
2702 | ||
2703 | // particle composition | |
2704 | for (Int_t i=2; i<=101; ++i) | |
2705 | { | |
2706 | if (i < 41) | |
2707 | { | |
2708 | effects[2]->SetBinContent(i, 0.01); | |
2709 | } | |
2710 | else if (i < 76) | |
2711 | { | |
2712 | effects[2]->SetBinContent(i, 0.02); | |
2713 | } | |
2714 | else | |
2715 | effects[2]->SetBinContent(i, 0.02 + 0.08 / 25 * (i - 76)); | |
2716 | } | |
2717 | ||
2718 | // pt cut off (only tpc) | |
2719 | for (Int_t i=2; i<=101; ++i) | |
2720 | { | |
2721 | if (i < 11) | |
2722 | { | |
2723 | effects[3]->SetBinContent(i, 0.05); | |
2724 | } | |
2725 | else if (i < 51) | |
2726 | { | |
2727 | effects[3]->SetBinContent(i, 0.01); | |
2728 | } | |
2729 | else | |
2730 | effects[3]->SetBinContent(i, 0.01 + 0.1 / 30 * (i - 51)); | |
2731 | } | |
2732 | ||
2733 | // track selection (only tpc) | |
2734 | for (Int_t i=2; i<=101; ++i) | |
2735 | effects[4]->SetBinContent(i, 0.03); | |
2736 | ||
2737 | // secondaries | |
2738 | for (Int_t i=2; i<=101; ++i) | |
2739 | effects[5]->SetBinContent(i, 0.01); | |
2740 | ||
2741 | // pt spectrum | |
2742 | for (Int_t i=2; i<=101; ++i) | |
2743 | { | |
2744 | if (i < 21) | |
2745 | { | |
2746 | effects[6]->SetBinContent(i, 0.05); | |
2747 | } | |
2748 | else if (i < 51) | |
2749 | { | |
2750 | effects[6]->SetBinContent(i, 0.02); | |
2751 | } | |
2752 | else | |
2753 | effects[6]->SetBinContent(i, 0.02 + 0.13 / 25 * (i - 51)); | |
2754 | } | |
2755 | ||
2756 | } | |
2757 | else | |
2758 | { | |
f3eb27f6 | 2759 | nEffects = 5; |
2760 | ||
69b09e3b | 2761 | //const char* namesSPD[] = { "Particle composition", "p_{t} cut-off", "Unfolding Method (#chi^{2})", "Relative cross-sections (INEL)", "Relative cross-sections (NSD)"}; |
2762 | const char* namesSPD[] = { "Unfolding Method (#chi^{2})", "Relative cross-sections (INEL)", "Relative cross-sections (NSD)", "Particle composition", "p_{t} cut-off"}; | |
f3eb27f6 | 2763 | names = namesSPD; |
2764 | ||
69b09e3b | 2765 | currentEffect = 0; |
2766 | ||
f3eb27f6 | 2767 | // method |
2768 | TFile* file = TFile::Open("StatisticalUncertaintySPDChi2.root"); | |
2769 | TH1* hist = (TH1*) file->Get("errorBoth"); | |
69b09e3b | 2770 | hist->Scale(1.0 / sqrt(2)); |
f3eb27f6 | 2771 | |
2772 | // smooth a bit, but skip 0 bin | |
69b09e3b | 2773 | /*effects[currentEffect]->SetBinContent(1, hist->GetBinContent(1)); |
2774 | for (Int_t i=2; i<=201; ++i) | |
2775 | effects[currentEffect]->SetBinContent(i, (hist->GetBinContent(i) + hist->GetBinContent(i+1)) / 2);*/ | |
2776 | effects[currentEffect] = hist; | |
f3eb27f6 | 2777 | |
69b09e3b | 2778 | currentEffect++; |
f3eb27f6 | 2779 | |
69b09e3b | 2780 | // relative x-section |
2781 | file = TFile::Open("uncertainty_xsection.root"); | |
2782 | effects[currentEffect++] = (TH1*) file->Get("effError_INEL"); | |
2783 | effects[currentEffect] = (TH1*) file->Get("effError_NSD"); | |
2784 | effects[currentEffect]->SetLineStyle(1); | |
2785 | //effects[2]->SetBinContent(1, 0.20); | |
2786 | //effects[2]->SetBinContent(2, 0.01); | |
2787 | //effects[2]->SetBinContent(3, 0.002); | |
2788 | ||
2789 | currentEffect++; | |
2790 | ||
f3eb27f6 | 2791 | // particle composition |
69b09e3b | 2792 | effects[currentEffect]->SetBinContent(1, 0.16); |
2793 | for (Int_t i=2; i<=81; ++i) | |
f3eb27f6 | 2794 | { |
69b09e3b | 2795 | effects[currentEffect]->SetBinContent(i, 0.01 + 0.05 * i / 81); |
f3eb27f6 | 2796 | } |
69b09e3b | 2797 | |
2798 | currentEffect++; | |
f3eb27f6 | 2799 | |
2800 | // pt spectrum | |
69b09e3b | 2801 | effects[currentEffect]->SetBinContent(1, 0.06); |
2802 | effects[currentEffect]->SetBinContent(2, 0.03); | |
2803 | for (Int_t i=3; i<=81; ++i) | |
f3eb27f6 | 2804 | { |
69b09e3b | 2805 | if (i <= 61) |
f3eb27f6 | 2806 | { |
69b09e3b | 2807 | effects[currentEffect]->SetBinContent(i, 0.01); |
f3eb27f6 | 2808 | } |
69b09e3b | 2809 | else if (i <= 81) |
f3eb27f6 | 2810 | { |
69b09e3b | 2811 | effects[currentEffect]->SetBinContent(i, 0.01 + 0.05 * (i - 61) / 20); |
f3eb27f6 | 2812 | } |
f3eb27f6 | 2813 | } |
69b09e3b | 2814 | |
2815 | // currentEffect++; | |
2816 | // | |
2817 | // // material budget | |
2818 | // for (Int_t i=1; i<=81; ++i) | |
2819 | // { | |
2820 | // if (i < 5) | |
2821 | // effects[currentEffect]->SetBinContent(i, 0.05 - 0.01 * i); | |
2822 | // if (i > 51) | |
2823 | // effects[currentEffect]->SetBinContent(i, 0.05 * (i - 50) / 30); | |
2824 | // } | |
2825 | // | |
2826 | currentEffect++; | |
2827 | ||
f3eb27f6 | 2828 | } |
2829 | ||
69b09e3b | 2830 | TCanvas* canvas = new TCanvas("SystematicsSummary.eps", "SystematicsSummary.eps", 800, 500); |
2831 | canvas->SetRightMargin(0.05); | |
f3eb27f6 | 2832 | canvas->SetTopMargin(0.05); |
69b09e3b | 2833 | //canvas->SetGridx(); |
2834 | canvas->SetGridy(); | |
2835 | TLegend* legend = new TLegend(0.2, 0.4, 0.7, 0.4 + 0.5 * nEffects / 7); | |
f3eb27f6 | 2836 | legend->SetFillColor(0); |
69b09e3b | 2837 | legend->SetTextSize(0.04); |
2838 | dummy->Draw(); | |
2839 | dummy->GetXaxis()->SetRangeUser(0, displayRange); | |
f3eb27f6 | 2840 | |
2841 | for (Int_t i=0; i<nEffects; ++i) | |
2842 | { | |
2843 | TH1* current = (TH1*) effects[i]->Clone(Form("current_%d", i)); | |
2844 | /*current->Reset(); | |
2845 | for (Int_t j=0; j<nEffects-i; ++j) | |
2846 | current->Add(effects[j]);*/ | |
2847 | ||
2848 | current->SetLineColor(colors[i]); | |
69b09e3b | 2849 | current->SetLineStyle(styles[i]); |
2850 | current->SetLineWidth(widths[i]); | |
f3eb27f6 | 2851 | //current->SetFillColor(colors[i]); |
2852 | current->SetMarkerColor(colors[i]); | |
2853 | //current->SetMarkerStyle(markers[i]); | |
2854 | ||
2855 | current->SetStats(kFALSE); | |
2856 | current->GetYaxis()->SetRangeUser(0, 0.4); | |
69b09e3b | 2857 | current->DrawCopy("SAME"); |
f3eb27f6 | 2858 | legend->AddEntry(current, names[i]); |
2859 | ||
69b09e3b | 2860 | //TLatex* text = new TLatex(displayRange+2, current->GetBinContent(displayRange+1), names[i]); |
2861 | TLatex* text = new TLatex(displayRange+2, 0.1 - i * 0.02, names[i]); | |
2862 | text->SetTextSize(0.04); | |
f3eb27f6 | 2863 | text->SetTextColor(colors[i]); |
69b09e3b | 2864 | //text->Draw(); |
f3eb27f6 | 2865 | } |
2866 | ||
2867 | // add total in square | |
69b09e3b | 2868 | TH1* totalINEL = (TH1*) effects[0]->Clone("totalINEL"); |
2869 | totalINEL->Reset(); | |
2870 | TH1* totalNSD = (TH1*) totalINEL->Clone("totalNSD"); | |
f3eb27f6 | 2871 | |
2872 | for (Int_t i=0; i<nEffects; ++i) | |
2873 | { | |
2874 | //Printf("%d %f", i, effects[i]->GetBinContent(20)); | |
2875 | effects[i]->Multiply(effects[i]); | |
69b09e3b | 2876 | |
2877 | if (i != 2) | |
2878 | totalINEL->Add(effects[i]); | |
2879 | if (i != 1) | |
2880 | totalNSD->Add(effects[i]); | |
2881 | } | |
2882 | ||
2883 | for (Int_t i=1; i<=totalINEL->GetNbinsX(); ++i) | |
2884 | { | |
2885 | totalINEL->SetBinError(i, 0); | |
2886 | if (totalINEL->GetBinContent(i) > 0) | |
2887 | totalINEL->SetBinContent(i, TMath::Min(sqrt(totalINEL->GetBinContent(i)), 1.0)); | |
2888 | totalNSD->SetBinError(i, 0); | |
2889 | if (totalNSD->GetBinContent(i) > 0) | |
2890 | totalNSD->SetBinContent(i, TMath::Min(sqrt(totalNSD->GetBinContent(i)), 1.0)); | |
f3eb27f6 | 2891 | } |
f3eb27f6 | 2892 | |
2893 | //Printf("%f", total->GetBinContent(20)); | |
2894 | ||
69b09e3b | 2895 | totalINEL->SetMarkerStyle(5); |
2896 | totalINEL->SetMarkerColor(1); | |
2897 | legend->AddEntry(totalINEL, "Total (INEL)", "P"); | |
2898 | ||
2899 | totalNSD->SetMarkerStyle(24); | |
2900 | totalNSD->SetMarkerColor(2); | |
2901 | legend->AddEntry(totalNSD, "Total (NSD)", "P"); | |
2902 | ||
2903 | Printf("total in bin 0 is INEL: %f NSD: %f", totalINEL->GetBinContent(1), totalNSD->GetBinContent(1)); | |
2904 | totalINEL->DrawCopy("SAME P"); //->SetBinContent(1, 0); | |
2905 | totalNSD->DrawCopy("SAME P"); //->SetBinContent(1, 0); | |
f3eb27f6 | 2906 | |
2907 | legend->Draw(); | |
2908 | ||
2909 | canvas->SaveAs(canvas->GetName()); | |
7dcf959e | 2910 | |
2911 | file = TFile::Open(Form("%s_syst_error.root", (tpc) ? "tpc" : "spd"), "RECREATE"); | |
2912 | totalINEL->Write("inel_1"); | |
2913 | totalNSD->Write("nsd_1"); | |
2914 | file->Close(); | |
f3eb27f6 | 2915 | |
69b09e3b | 2916 | return (nsd) ? totalNSD : totalINEL; |
f3eb27f6 | 2917 | } |
2918 | ||
69b09e3b | 2919 | void finalPlot(Bool_t tpc = 0, Bool_t small = kFALSE) |
f3eb27f6 | 2920 | { |
69b09e3b | 2921 | loadlibs(); |
f3eb27f6 | 2922 | |
2923 | if (tpc) | |
2924 | SetTPC(); | |
2925 | ||
69b09e3b | 2926 | //TH1* errorNSD = SystematicsSummary(tpc, 1); |
f3eb27f6 | 2927 | |
b3b260d1 | 2928 | TCanvas* canvas = new TCanvas("finalPlot.eps", "finalPlot.eps", 800, 500); |
f3eb27f6 | 2929 | canvas->SetRightMargin(0.05); |
2930 | canvas->SetTopMargin(0.05); | |
69b09e3b | 2931 | canvas->SetGridx(); |
2932 | canvas->SetGridy(); | |
2933 | ||
2934 | legend = new TLegend(0.5, 0.6, 0.9, 0.8); | |
2935 | legend->SetFillColor(0); | |
2936 | legend->SetTextSize(0.04); | |
2937 | ||
2938 | for (AliMultiplicityCorrection::EventType eventType = AliMultiplicityCorrection::kINEL; eventType <= AliMultiplicityCorrection::kNSD; eventType++) | |
2939 | { | |
2940 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open((eventType == AliMultiplicityCorrection::kINEL) ? "chi2_inel.root" : "chi2_nsd.root"); | |
2941 | TH1* mcHist = mult->GetMultiplicityMC(etaRange, eventType)->ProjectionY("mymc"); | |
2942 | TH1* result = mult->GetMultiplicityESDCorrected(etaRange); | |
2943 | ||
2944 | DrawResultRatio(mcHist, result, Form("finalPlotCheck_%d.eps", (Int_t) eventType)); | |
f3eb27f6 | 2945 | |
69b09e3b | 2946 | // normalize result |
2947 | //result->Scale(1.0 / result->Integral(2, displayRange)); | |
2948 | ||
2949 | result->GetXaxis()->SetRangeUser(0, displayRange); | |
2950 | //result->SetBinContent(1, 0); result->SetBinError(1, 0); | |
2951 | result->SetTitle(Form(";True multiplicity in |#eta| < %.1f;Entries", (etaRange+1) * 0.5)); | |
2952 | result->SetMarkerStyle(0); | |
2953 | result->SetLineColor(1); | |
2954 | result->SetStats(kFALSE); | |
2955 | ||
2956 | // systematic error | |
2957 | TH1* error = SystematicsSummary(tpc, (eventType == AliMultiplicityCorrection::kNSD)); | |
2958 | ||
2959 | TH1* systError = (TH1*) result->Clone("systError"); | |
2960 | for (Int_t i=1; i<=systError->GetNbinsX(); ++i) | |
2961 | systError->SetBinError(i, systError->GetBinContent(i) * error->GetBinContent(i)); | |
2962 | ||
2963 | // change error drawing style | |
2964 | systError->SetFillColor(15); | |
2965 | ||
2966 | if (eventType == AliMultiplicityCorrection::kNSD) | |
2967 | { | |
2968 | result->SetLineColor(2); | |
2969 | result->SetMarkerColor(2); | |
2970 | result->SetMarkerStyle(5); | |
2971 | } | |
2972 | ||
2973 | canvas->cd(); | |
2974 | systError->DrawCopy(Form("E2 ][ %s", (eventType == AliMultiplicityCorrection::kINEL) ? "" : "SAME")); | |
2975 | result->DrawCopy("SAME E ]["); | |
2976 | canvas->SetLogy(); | |
2977 | ||
2978 | legend->AddEntry(result, (eventType == AliMultiplicityCorrection::kINEL) ? "Inelastic cross-section" : "NSD cross-section", (eventType == AliMultiplicityCorrection::kINEL) ? "L" : "P"); | |
2979 | } | |
2980 | ||
2981 | legend->Draw(); | |
2982 | /* | |
f3eb27f6 | 2983 | //TPaveText* text = new TPaveText(10, 1e-3, 50, 1e-4, "B"); |
2984 | TPaveText* text = new TPaveText(0.15, 0.2, 0.5, 0.4, "B NDC"); | |
2985 | text->SetFillColor(0); | |
2986 | text->SetTextAlign(12); | |
2987 | text->AddText("Systematic errors summed quadratically"); | |
2988 | text->AddText("0.6 million minimum bias events"); | |
2989 | text->AddText("corrected to inelastic events"); | |
2990 | text->Draw("B"); | |
2991 | ||
2992 | TPaveText* text2 = new TPaveText(0.4, 0.7, 0.6, 0.85, "B NDC"); | |
2993 | text2->SetFillColor(0); | |
2994 | text2->SetTextAlign(12); | |
2995 | text2->AddText("#sqrt{s} = 14 TeV"); | |
2996 | if (tpc) | |
2997 | { | |
2998 | text2->AddText("|#eta| < 0.9"); | |
2999 | } | |
3000 | else | |
3001 | text2->AddText("|#eta| < 2.0"); | |
3002 | text2->AddText("simulated data (PYTHIA)"); | |
3003 | text2->Draw("B"); | |
69b09e3b | 3004 | |
f3eb27f6 | 3005 | if (tpc) |
3006 | { | |
3007 | TText* text3 = new TText(0.75, 0.6, "TPC - full tracking"); | |
3008 | text3->SetNDC(); | |
3009 | text3->Draw(); | |
3010 | } | |
3011 | else | |
3012 | { | |
3013 | TText* text3 = new TText(0.75, 0.6, "SPD - Tracklets"); | |
3014 | text3->SetNDC(); | |
3015 | text3->Draw(); | |
3016 | } | |
3017 | ||
3018 | // alice logo | |
3019 | TPad* pad = new TPad("pad", "pad", 0.8, 0.7, 0.9, 0.9); | |
3020 | pad->Draw(); | |
3021 | pad->cd(); | |
3022 | TImage* img = TImage::Open("$HOME/alice.png"); | |
3023 | img->SetImageQuality(TAttImage::kImgBest); | |
3024 | img->Draw(); | |
3025 | ||
3026 | canvas->Modified(); | |
69b09e3b | 3027 | */ |
f3eb27f6 | 3028 | |
3029 | /* TText* text = new TText(10, 1e-4, "Systematic errors summed quadratically"); | |
3030 | text->SetTextSize(0.04); | |
3031 | text->DrawText(10, 5e-5, "0.6 #cdot 10^{6} minimum bias events"); | |
3032 | text->DrawText(10, 3e-5, "TPC tracks in |#eta| < 0.9"); | |
3033 | text->DrawText(10, 1e-5, "corrected to ineleastic events in |#eta| < 0.9"); | |
3034 | text->Draw();*/ | |
3035 | ||
3036 | ||
3037 | canvas->SaveAs(canvas->GetName()); | |
3038 | } | |
3039 | ||
b3b260d1 | 3040 | void finalPlot2(Bool_t tpc = 0) |
3041 | { | |
3042 | loadlibs(); | |
3043 | ||
3044 | if (tpc) | |
3045 | SetTPC(); | |
3046 | ||
3047 | //TH1* errorNSD = SystematicsSummary(tpc, 1); | |
3048 | ||
3049 | TCanvas* canvas = new TCanvas("finalPlot2.eps", "finalPlot2.eps", 800, 600); | |
3050 | canvas->SetRightMargin(0.05); | |
3051 | canvas->SetTopMargin(0.05); | |
3052 | canvas->SetGridx(); | |
3053 | canvas->SetGridy(); | |
3054 | canvas->SetLogy(); | |
3055 | ||
3056 | legend = new TLegend(0.5, 0.7, 0.9, 0.9); | |
3057 | legend->SetFillColor(0); | |
3058 | legend->SetTextSize(0.04); | |
3059 | ||
3060 | Int_t displayRanges[] = { 50, 80, 120 }; | |
3061 | ||
3062 | TH2* dummy = new TH2F("dummy", ";True multiplicity N_{ch};P(N_{ch})", 100, -0.5, displayRanges[2]+10, 1000, 5e-5, 5); | |
3063 | dummy->SetStats(0); | |
3064 | dummy->Draw(); | |
3065 | ||
3066 | TList list; | |
3067 | ||
7dcf959e | 3068 | // get syst error |
3069 | file = TFile::Open(Form("%s_syst_error.root", (tpc) ? "tpc" : "spd")); | |
3070 | TH1* totalINEL = (TH1*) file->Get("inel_1"); | |
3071 | TH1* totalNSD = (TH1*) file->Get("nsd_1"); | |
3072 | ||
b3b260d1 | 3073 | Int_t count = 0; |
3074 | for (AliMultiplicityCorrection::EventType eventType = AliMultiplicityCorrection::kINEL; eventType <= AliMultiplicityCorrection::kNSD; eventType++) | |
3075 | { | |
3076 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open((eventType == AliMultiplicityCorrection::kINEL) ? "chi2_inel.root" : "chi2_nsd.root"); | |
3077 | //TH1* mcHist = mult->GetMultiplicityMC(etaRange, eventType)->ProjectionY("mymc"); | |
3078 | for (Int_t etaR = 0; etaR <= 2; etaR++) | |
3079 | { | |
3080 | TH1* result = mult->GetMultiplicityESDCorrected(etaR); | |
3081 | ||
3082 | //DrawResultRatio(mcHist, result, Form("finalPlotCheck_%d.eps", (Int_t) eventType)); | |
3083 | ||
3084 | // normalize result | |
3085 | result->Scale(TMath::Power(5, etaR) / result->Integral(1, displayRanges[etaR])); | |
3086 | ||
3087 | result->GetXaxis()->SetRangeUser(0, displayRanges[etaR]); | |
3088 | //result->SetBinContent(1, 0); result->SetBinError(1, 0); | |
3089 | //result->SetTitle(Form("")); | |
3090 | result->SetMarkerStyle(0); | |
3091 | result->SetLineColor(1); | |
3092 | result->SetLineWidth(2); | |
3093 | //result->SetMarkerStyle(4); | |
3094 | //result->SetStats(kFALSE); | |
3095 | ||
3096 | // systematic error | |
7dcf959e | 3097 | //TH1* error = SystematicsSummary(tpc, (eventType == AliMultiplicityCorrection::kNSD)); |
3098 | TH1* error = (eventType == AliMultiplicityCorrection::kNSD) ? totalNSD : totalINEL; | |
b3b260d1 | 3099 | |
3100 | TH1* systError = (TH1*) result->Clone("systError"); | |
3101 | // small hack until we have syst. errors for all eta ranges | |
3102 | Float_t factor = 80.0 / displayRanges[etaR]; | |
3103 | for (Int_t i=1; i<=systError->GetNbinsX(); ++i) | |
3104 | { | |
3105 | systError->SetBinError(i, systError->GetBinContent(i) * error->GetBinContent(factor * i)); | |
3106 | } | |
3107 | ||
3108 | // change error drawing style | |
3109 | systError->SetFillColor(15); | |
3110 | ||
3111 | if (eventType == AliMultiplicityCorrection::kNSD) | |
3112 | { | |
3113 | result->SetLineColor(2); | |
3114 | result->SetMarkerColor(2); | |
3115 | result->SetMarkerStyle(5); | |
3116 | } | |
3117 | ||
3118 | canvas->cd(); | |
3119 | systError->GetXaxis()->SetRangeUser(0, displayRanges[etaR]); | |
3120 | systError->DrawCopy("E2 ][ SAME"); | |
3121 | list.Add(result); | |
3122 | ||
3123 | if (eventType == AliMultiplicityCorrection::kINEL) | |
3124 | { | |
3125 | TLatex* Tl = new TLatex; | |
3126 | Tl->SetTextSize(0.04); | |
3127 | //Tl->SetBit(TLatex::kTextNDC); | |
3128 | Tl->SetTextAlign(32); | |
3129 | ||
3130 | Float_t etaRangeArr[] = { 0.5, 1.0, 1.4 }; | |
3131 | TString tmpStr; | |
3132 | tmpStr.Form("|#eta| < %.1f (x %d)", etaRangeArr[etaR], (Int_t) TMath::Power(5, etaR)); | |
3133 | if (etaR == 0) | |
3134 | Tl->DrawLatex(36, result->GetBinContent(41), tmpStr); | |
3135 | if (etaR == 1) | |
3136 | { | |
3137 | Tl->SetTextAlign(12); | |
3138 | Tl->DrawLatex(82, result->GetBinContent(81), tmpStr); | |
3139 | } | |
3140 | if (etaR == 2) | |
3141 | { | |
3142 | Tl->SetTextAlign(12); | |
3143 | Tl->DrawLatex(106, result->GetBinContent(101), tmpStr); | |
3144 | } | |
3145 | } | |
3146 | ||
3147 | if (etaR == 0) | |
3148 | legend->AddEntry(result, (eventType == AliMultiplicityCorrection::kINEL) ? "Inelastic events" : "NSD events", (eventType == AliMultiplicityCorrection::kINEL) ? "L" : "P"); | |
3149 | ||
3150 | count++; | |
3151 | } | |
3152 | } | |
3153 | ||
3154 | for (Int_t i=0; i<list.GetEntries(); i++) | |
3155 | ((TH1*) list.At(i))->DrawCopy("SAME E ]["); | |
3156 | ||
3157 | legend->Draw(); | |
3158 | ||
3159 | canvas->SaveAs(canvas->GetName()); | |
3160 | } | |
3161 | ||
69b09e3b | 3162 | TMatrixD* NonInvertable() |
3163 | { | |
3164 | const Int_t kSize = 5; | |
3165 | ||
3166 | TMatrixD matrix(kSize, kSize); | |
3167 | for (Int_t x=0; x<kSize; x++) | |
3168 | { | |
3169 | for (Int_t y=0; y<kSize; y++) | |
3170 | { | |
3171 | if (x == y) | |
3172 | { | |
3173 | if (x == 0 || x == kSize -1) | |
3174 | { | |
3175 | matrix(x, y) = 0.75; | |
3176 | } | |
3177 | else | |
3178 | matrix(x, y) = 0.5; | |
3179 | } | |
3180 | else if (TMath::Abs(x - y) == 1) | |
3181 | { | |
3182 | matrix(x, y) = 0.25; | |
3183 | } | |
3184 | } | |
3185 | } | |
3186 | ||
3187 | matrix.Print(); | |
3188 | ||
3189 | //TMatrixD inverted(matrix); | |
3190 | //inverted.Invert(); | |
3191 | ||
3192 | //inverted.Print(); | |
3193 | ||
3194 | return new TMatrixD(matrix); | |
3195 | } | |
3196 | ||
f3eb27f6 | 3197 | void BlobelUnfoldingExample() |
3198 | { | |
3199 | const Int_t kSize = 20; | |
3200 | ||
3201 | TMatrixD matrix(kSize, kSize); | |
3202 | for (Int_t x=0; x<kSize; x++) | |
3203 | { | |
3204 | for (Int_t y=0; y<kSize; y++) | |
3205 | { | |
3206 | if (x == y) | |
3207 | { | |
3208 | if (x == 0 || x == kSize -1) | |
3209 | { | |
3210 | matrix(x, y) = 0.75; | |
3211 | } | |
3212 | else | |
3213 | matrix(x, y) = 0.5; | |
3214 | } | |
3215 | else if (TMath::Abs(x - y) == 1) | |
3216 | { | |
3217 | matrix(x, y) = 0.25; | |
3218 | } | |
3219 | } | |
3220 | } | |
3221 | ||
3222 | //matrix.Print(); | |
3223 | ||
3224 | TMatrixD inverted(matrix); | |
3225 | inverted.Invert(); | |
3226 | ||
3227 | //inverted.Print(); | |
3228 | ||
69b09e3b | 3229 | TH1F* inputDist = new TH1F("inputDist", ";t;Entries", kSize, -0.5, (Float_t) kSize - 0.5); |
f3eb27f6 | 3230 | TVectorD inputDistVector(kSize); |
3231 | TH1F* unfolded = inputDist->Clone("unfolded"); | |
3232 | TH1F* measuredIdealDist = inputDist->Clone("measuredIdealDist"); | |
69b09e3b | 3233 | measuredIdealDist->SetTitle(";m;Entries"); |
f3eb27f6 | 3234 | TH1F* measuredDist = measuredIdealDist->Clone("measuredDist"); |
3235 | ||
3236 | TF1* gaus = new TF1("func", "gaus(0)", -0.5, kSize); | |
3237 | // norm: 1/(sqrt(2pi)sigma) | |
3238 | gaus->SetParameters(10000 / sqrt(2 * TMath::Pi()) / ((Float_t) kSize / 8), (Float_t) kSize / 2, (Float_t) kSize / 8); | |
3239 | //gaus->Print(); | |
3240 | ||
3241 | for (Int_t x=1; x<=inputDist->GetNbinsX(); x++) | |
3242 | { | |
3243 | Float_t value = gaus->Eval(inputDist->GetBinCenter(x)); | |
3244 | inputDist->SetBinContent(x, value); | |
3245 | inputDistVector(x-1) = value; | |
3246 | } | |
3247 | ||
3248 | TVectorD measuredDistIdealVector = matrix * inputDistVector; | |
3249 | ||
3250 | for (Int_t x=1; x<=measuredIdealDist->GetNbinsX(); x++) | |
3251 | measuredIdealDist->SetBinContent(x, measuredDistIdealVector(x-1)); | |
3252 | ||
3253 | measuredDist->FillRandom(measuredIdealDist, 10000); | |
3254 | ||
3255 | // fill error matrix before scaling | |
3256 | TMatrixD covarianceMatrixMeasured(kSize, kSize); | |
3257 | for (Int_t x=1; x<=unfolded->GetNbinsX(); x++) | |
3258 | covarianceMatrixMeasured(x-1, x-1) = TMath::Sqrt(measuredDist->GetBinContent(x)); | |
3259 | ||
3260 | TMatrixD covarianceMatrix = inverted * covarianceMatrixMeasured * inverted; | |
3261 | //covarianceMatrix.Print(); | |
3262 | ||
3263 | TVectorD measuredDistVector(kSize); | |
3264 | for (Int_t x=1; x<=measuredDist->GetNbinsX(); x++) | |
3265 | measuredDistVector(x-1) = measuredDist->GetBinContent(x); | |
3266 | ||
3267 | TVectorD unfoldedVector = inverted * measuredDistVector; | |
3268 | for (Int_t x=1; x<=unfolded->GetNbinsX(); x++) | |
3269 | unfolded->SetBinContent(x, unfoldedVector(x-1)); | |
3270 | ||
69b09e3b | 3271 | TCanvas* canvas = new TCanvas("BlobelUnfoldingExample", "BlobelUnfoldingExample", 1200, 600); |
f3eb27f6 | 3272 | canvas->SetTopMargin(0.05); |
3273 | canvas->Divide(2, 1); | |
3274 | ||
3275 | canvas->cd(1); | |
3276 | canvas->cd(1)->SetLeftMargin(0.15); | |
3277 | canvas->cd(1)->SetRightMargin(0.05); | |
69b09e3b | 3278 | canvas->cd(1)->SetTopMargin(0.05); |
3279 | gPad->SetGridx(); | |
3280 | gPad->SetGridy(); | |
3281 | measuredDist->GetYaxis()->SetRangeUser(-600, 2799); | |
3282 | measuredDist->GetYaxis()->SetTitleOffset(1.9); | |
f3eb27f6 | 3283 | measuredDist->SetStats(0); |
3284 | measuredDist->DrawCopy(); | |
3285 | gaus->Draw("SAME"); | |
3286 | ||
3287 | canvas->cd(2); | |
3288 | canvas->cd(2)->SetLeftMargin(0.15); | |
3289 | canvas->cd(2)->SetRightMargin(0.05); | |
69b09e3b | 3290 | canvas->cd(2)->SetTopMargin(0.05); |
3291 | gPad->SetGridx(); | |
3292 | gPad->SetGridy(); | |
3293 | unfolded->GetYaxis()->SetRangeUser(-600, 2799); | |
3294 | unfolded->GetYaxis()->SetTitleOffset(1.9); | |
f3eb27f6 | 3295 | unfolded->SetStats(0); |
3296 | unfolded->DrawCopy(); | |
3297 | gaus->Draw("SAME"); | |
3298 | ||
3299 | canvas->SaveAs("BlobelUnfoldingExample.eps"); | |
69b09e3b | 3300 | |
3301 | return; | |
3302 | ||
3303 | // now unfold this with Bayesian | |
3304 | loadlibs(); | |
3305 | ||
3306 | // fill a multiplicity object | |
3307 | mult = new AliMultiplicityCorrection("mult", "mult"); | |
3308 | for (Int_t x=0; x<kSize; x++) | |
3309 | { | |
3310 | mult->GetMultiplicityVtx(0)->SetBinContent(1, x+1, inputDistVector(x)); | |
3311 | mult->GetMultiplicityESD(0)->SetBinContent(1, x+1, measuredDistVector(x)*10000); | |
3312 | for (Int_t y=0; y<kSize; y++) | |
3313 | mult->GetCorrelation(0)->SetBinContent(1, x+1, y+1, matrix(x, y)); | |
3314 | } | |
3315 | ||
3316 | //mult->DrawHistograms(); | |
3317 | ||
3318 | mult->SetRegularizationParameters(AliMultiplicityCorrection::kPol0, 0); | |
3319 | //mult->SetCreateBigBin(kFALSE); | |
3320 | mult->ApplyMinuitFit(0, kFALSE, AliMultiplicityCorrection::kTrVtx, kFALSE); //hist2->ProjectionY("mymchist")); | |
3321 | ||
3322 | //mult->ApplyBayesianMethod(0, kFALSE, AliMultiplicityCorrection::kTrVtx, 0, -1, 0, kFALSE); | |
3323 | ||
3324 | mult->DrawComparison("BlobelExample", 0, kFALSE, kTRUE, mult->GetMultiplicityVtx(0)->ProjectionY("mcmchist", 1, mult->GetMultiplicityVtx(0)->GetNbinsX())); | |
3325 | ||
3326 | ||
f3eb27f6 | 3327 | } |
3328 | ||
3329 | void E735Fit() | |
3330 | { | |
3331 | TH1* fCurrentESD = new TH1F("mult", "mult", 501, -0.5, 500.5); | |
3332 | fCurrentESD->Sumw2(); | |
3333 | ||
3334 | // Open the input stream | |
3335 | ifstream in; | |
3336 | in.open("e735data.txt"); | |
3337 | ||
3338 | while(in.good()) | |
3339 | { | |
3340 | Float_t x, y, ye; | |
3341 | in >> x >> y >> ye; | |
3342 | ||
3343 | //Printf("%f %f %f", x, y, ye); | |
3344 | fCurrentESD->SetBinContent(fCurrentESD->FindBin(x), y); | |
3345 | fCurrentESD->SetBinError(fCurrentESD->FindBin(x), ye); | |
3346 | } | |
3347 | ||
3348 | in.close(); | |
3349 | ||
3350 | //new TCanvas; fCurrentESD->DrawCopy(); gPad->SetLogy(); | |
3351 | ||
3352 | fCurrentESD->Scale(1.0 / fCurrentESD->Integral()); | |
3353 | ||
3354 | TF1* 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])"); | |
3355 | func->SetParNames("scaling", "averagen", "k"); | |
3356 | func->SetParLimits(0, 0.001, fCurrentESD->GetMaximum() * 1000); | |
3357 | func->SetParLimits(1, 0.001, 1000); | |
3358 | func->SetParLimits(2, 0.001, 1000); | |
3359 | func->SetParameters(fCurrentESD->GetMaximum() * 100, 10, 2); | |
3360 | ||
3361 | TF1* lognormal = new TF1("lognormal", "[0]*exp(-(log(x)-[1])^2/(2*[2]^2))/(x*[2]*TMath::Sqrt(2*TMath::Pi()))", 0.01, 500); | |
3362 | lognormal->SetParNames("scaling", "mean", "sigma"); | |
3363 | lognormal->SetParameters(1, 1, 1); | |
3364 | lognormal->SetParLimits(0, 0, 10); | |
3365 | lognormal->SetParLimits(1, 0, 100); | |
3366 | lognormal->SetParLimits(2, 1e-3, 10); | |
3367 | ||
3368 | TCanvas* canvas = new TCanvas("c1", "c1", 700, 400); | |
3369 | fCurrentESD->SetStats(kFALSE); | |
69b09e3b | 3370 | fCurrentESD->SetMarkerStyle(0); |
3371 | fCurrentESD->SetLineColor(1); | |
f3eb27f6 | 3372 | fCurrentESD->GetYaxis()->SetTitleOffset(1.3); |
3373 | fCurrentESD->SetTitle(";true multiplicity (N);P_{N}"); | |
3374 | fCurrentESD->Draw(""); | |
3375 | fCurrentESD->GetXaxis()->SetRangeUser(0, 250); | |
3376 | fCurrentESD->Fit(func, "0", "", 0, 150); | |
3377 | func->SetRange(0, 250); | |
3378 | func->Draw("SAME"); | |
3379 | printf("chi2 = %f\n", func->GetChisquare()); | |
3380 | ||
3381 | fCurrentESD->Fit(lognormal, "0", "", 0.01, 150); | |
3382 | lognormal->SetLineColor(2); | |
3383 | lognormal->SetLineStyle(2); | |
3384 | lognormal->SetRange(0, 250); | |
3385 | lognormal->Draw("SAME"); | |
3386 | ||
3387 | gPad->SetLogy(); | |
3388 | ||
3389 | canvas->SaveAs("E735Fit.eps"); | |
3390 | } | |
69b09e3b | 3391 | |
3392 | void DifferentSamples() | |
3393 | { | |
3394 | loadlibs(); | |
3395 | ||
3396 | Int_t n = 2; | |
3397 | const char* filesChi2[] = { "chi2_100k_1.root", "chi2_100k_2.root" }; | |
3398 | const char* filesBayesian[] = { "bayesian_100k_1.root", "bayesian_100k_2.root" }; | |
3399 | ||
3400 | TCanvas* canvas = new TCanvas("DifferentSamples", "DifferentSamples", 1200, 600); | |
3401 | canvas->Divide(2, 1); | |
3402 | ||
3403 | legend = new TLegend(0.15, 0.7, 0.65, 0.9); | |
3404 | legend->SetFillColor(0); | |
3405 | legend->SetTextSize(0.04); | |
3406 | ||
3407 | for (Int_t i=0; i<n; i++) | |
3408 | { | |
3409 | AliMultiplicityCorrection* chi2 = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
3410 | TFile::Open(filesChi2[i]); | |
3411 | chi2->LoadHistograms("Multiplicity"); | |
3412 | ||
3413 | AliMultiplicityCorrection* bayesian = new AliMultiplicityCorrection("Multiplicity", "Multiplicity"); | |
3414 | TFile::Open(filesBayesian[i]); | |
3415 | bayesian->LoadHistograms("Multiplicity"); | |
3416 | ||
3417 | chi2Hist = chi2->GetMultiplicityESDCorrected(etaRange); | |
3418 | bayesianHist = bayesian->GetMultiplicityESDCorrected(etaRange); | |
3419 | ||
3420 | mc = chi2->GetMultiplicityVtx(etaRange)->ProjectionY("mymc", 1, 1); | |
3421 | ||
3422 | // normalize and divide | |
3423 | chi2Hist->Scale(1.0 / chi2Hist->Integral(2, displayRange+1) * mc->Integral(2, displayRange)); | |
3424 | bayesianHist->Scale(1.0 / bayesianHist->Integral(2, displayRange+1) * mc->Integral(2, displayRange)); | |
3425 | ||
3426 | chi2Hist->Divide(mc, chi2Hist); | |
3427 | bayesianHist->Divide(mc, bayesianHist); | |
3428 | ||
3429 | canvas->cd(i+1); | |
3430 | gPad->SetTopMargin(0.05); | |
3431 | gPad->SetRightMargin(0.05); | |
3432 | //gPad->SetLeftMargin(0.12); | |
3433 | gPad->SetGridx(); | |
3434 | gPad->SetGridy(); | |
3435 | ||
3436 | chi2Hist->GetXaxis()->SetRangeUser(0, displayRange); | |
3437 | chi2Hist->GetYaxis()->SetTitleOffset(1.3); | |
3438 | chi2Hist->SetStats(0); | |
3439 | chi2Hist->SetTitle(Form(";%s;MC / unfolded", GetMultLabel())); | |
3440 | chi2Hist->GetYaxis()->SetRangeUser(0.2, 1.8); | |
3441 | chi2Hist->Draw("HIST"); | |
3442 | ||
3443 | for (Int_t x=1; x<=bayesianHist->GetNbinsX(); x++) | |
3444 | bayesianHist->SetBinError(x, 1e-6); | |
3445 | ||
3446 | bayesianHist->SetLineColor(2); | |
3447 | bayesianHist->SetMarkerColor(2); | |
3448 | bayesianHist->SetMarkerStyle(5); | |
3449 | bayesianHist->Draw("HIST E SAME"); | |
3450 | ||
3451 | if (i == 0) | |
3452 | { | |
3453 | legend->AddEntry(chi2Hist, "#chi^{2}-minimization", "L"); | |
3454 | legend->AddEntry(bayesianHist, "Bayesian unfolding", "LP"); | |
3455 | } | |
3456 | legend->Draw(); | |
3457 | } | |
3458 | ||
3459 | canvas->SaveAs("DifferentSamples.eps"); | |
3460 | } | |
3461 | ||
3462 | void PileUp() | |
3463 | { | |
3464 | loadlibs(); | |
3465 | ||
3466 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open("multiplicityMC.root"); | |
3467 | hist2d = mult->GetMultiplicityMC(etaRange, AliMultiplicityCorrection::kINEL); | |
3468 | mult1 = hist2d->ProjectionY("mult1", 1, hist2d->GetNbinsX()); | |
3469 | ||
3470 | conv = (TH1*) mult1->Clone("conv"); | |
3471 | conv->Reset(); | |
3472 | ||
3473 | mult1->Scale(1.0 / mult1->Integral()); | |
3474 | ||
3475 | for (Int_t i=1; i<=mult1->GetNbinsX(); i++) | |
3476 | for (Int_t j=1; j<=mult1->GetNbinsX(); j++) | |
3477 | conv->Fill(mult1->GetBinCenter(i)+mult1->GetBinCenter(j), mult1->GetBinContent(i) * mult1->GetBinContent(j)); | |
3478 | ||
3479 | conv->Scale(1.0 / conv->Integral()); | |
3480 | ||
3481 | c = new TCanvas("c", "c", 800, 500); | |
3482 | gPad->SetLogy(); | |
3483 | gPad->SetTopMargin(0.05); | |
3484 | gPad->SetRightMargin(0.05); | |
3485 | mult1->SetTitle(Form(";%s;Probability", GetMultLabel())); | |
3486 | mult1->SetStats(0); | |
3487 | gPad->SetGridx(); | |
3488 | gPad->SetGridy(); | |
3489 | mult1->Draw(); | |
3490 | mult1->GetYaxis()->SetRangeUser(1e-7, 2 * mult1->GetMaximum()); | |
3491 | mult1->GetXaxis()->SetRangeUser(0, displayRange); | |
3492 | mult1->GetXaxis()->SetTitleOffset(1.15); | |
3493 | conv->SetLineColor(2); | |
3494 | conv->SetMarkerColor(2); | |
3495 | conv->SetMarkerStyle(5); | |
3496 | conv->DrawCopy("SAME P"); | |
3497 | ||
3498 | conv->Scale(0.00058); | |
3499 | conv->DrawCopy("SAME P"); | |
3500 | ||
3501 | legend = new TLegend(0.73, 0.73, 0.93, 0.93); | |
3502 | legend->SetFillColor(0); | |
3503 | legend->SetTextSize(0.04); | |
3504 | legend->AddEntry(mult1, "1 collision"); | |
3505 | legend->AddEntry(conv, "2 collisions", "P"); | |
3506 | legend->Draw(); | |
3507 | ||
3508 | c->SaveAs("pileup.eps"); | |
3509 | ||
3510 | new TCanvas; | |
3511 | conv->Divide(mult1); | |
3512 | conv->Draw(); | |
3513 | } | |
3514 | ||
3515 | void TestErrorDetermination(Int_t nRandomizations) | |
3516 | { | |
3517 | 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, 100); | |
3518 | func->SetParNames("scaling", "averagen", "k"); | |
3519 | func->SetParameters(1, 15, 2); | |
3520 | ||
3521 | TF1* func2 = new TF1("nbd2", "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, 100); | |
3522 | func2->SetParNames("scaling", "averagen", "k"); | |
3523 | func2->SetParLimits(0, 0.5, 2); | |
3524 | func2->SetParLimits(1, 1, 50); | |
3525 | func2->SetParLimits(2, 1, 10); | |
3526 | func2->SetParameters(1, 15, 2); | |
3527 | //func2->FixParameter(0, 1); | |
3528 | ||
3529 | //new TCanvas; func->Draw("L"); | |
3530 | ||
3531 | hist1 = new TH1F("hist1", "", 100, 0.5, 100.5); | |
3532 | hist2 = new TH1F("hist2", "", 100, 0.5, 100.5); | |
3533 | hist1->Sumw2(); | |
3534 | ||
3535 | TH1* params[3]; | |
3536 | params[0] = new TH1F("param_0", Form("param_%d", 0), 100, 0.95, 1.05); | |
3537 | params[1] = new TH1F("param_1", Form("param_%d", 1), 100, 14, 16); | |
3538 | params[2] = new TH1F("param_2", Form("param_%d", 2), 100, 1.8, 2.2); | |
3539 | ||
3540 | const Int_t nTries = 1000; | |
3541 | for (Int_t i=0; i<nTries; i++) | |
3542 | { | |
3543 | hist1->Reset(); | |
3544 | ||
3545 | if (nRandomizations == 1) | |
3546 | { | |
3547 | hist1->FillRandom("nbd", 10000); | |
3548 | } | |
3549 | else if (nRandomizations == 2) | |
3550 | { | |
3551 | hist2->Reset(); | |
3552 | hist2->FillRandom("nbd", 10000); | |
3553 | hist1->FillRandom(hist2, 10000); | |
3554 | } | |
3555 | else if (nRandomizations == 3) | |
3556 | { | |
3557 | hist2->Reset(); | |
3558 | hist1->FillRandom("nbd", 10000); | |
3559 | hist2->FillRandom(hist1, 10000); | |
3560 | hist1->Reset(); | |
3561 | hist1->FillRandom(hist2, 10000); | |
3562 | } | |
3563 | else | |
3564 | return; | |
3565 | ||
3566 | //new TCanvas; hist1->Draw(); | |
3567 | ||
3568 | hist1->Scale(1.0 / hist1->Integral()); | |
3569 | hist1->Fit(func2, "NQ"); | |
3570 | hist1->Fit(func2, "NQ"); | |
3571 | for (Int_t j=0; j<3; j++) | |
3572 | params[j]->Fill(func2->GetParameter(j)); | |
3573 | } | |
3574 | ||
3575 | for (Int_t j=0; j<3; j++) | |
3576 | { | |
3577 | new TCanvas; params[j]->Draw(); | |
3578 | params[j]->Fit("gaus"); | |
3579 | Printf("sigma of param %d if %f", j, ((TF1*) params[j]->FindObject("gaus"))->GetParameter(2)); | |
3580 | } | |
3581 | } | |
3582 | ||
3583 | void DrawRawDistributions(const char* fileName = "multiplicityESD.root") | |
3584 | { | |
3585 | loadlibs(); | |
3586 | ||
3587 | AliMultiplicityCorrection* mult = AliMultiplicityCorrection::Open(fileName); | |
3588 | ||
3589 | c = new TCanvas("c", "c", 600, 600); | |
3590 | ||
3591 | dummy = new TH2F("dummy", ";measured multiplicity", 100, -0.5, 149.5, 100, 0.5, 4e4); | |
3592 | dummy->SetStats(0); | |
3593 | dummy->Draw(); | |
3594 | gPad->SetGridx(); | |
3595 | gPad->SetGridy(); | |
3596 | gPad->SetLogy(); | |
3597 | ||
3598 | Int_t colors[] = { 1, 2, 4 }; | |
3599 | ||
3600 | for (Int_t i=2; i>=0; i--) | |
3601 | { | |
3602 | hist = mult->GetMultiplicityESD(i)->ProjectionY(); | |
3603 | ||
3604 | hist->SetLineColor(colors[i]); | |
3605 | hist->DrawCopy("SAME"); | |
3606 | } | |
3607 | ||
3608 | ||
3609 | } |