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[u/mrichter/AliRoot.git] / PWG0 / dNdEta / drawSystematics.C
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10ebe68d 1/* $Id$ */
2
3#if !defined(__CINT__) || defined(__MAKECINT__)
4
5#include "AliPWG0Helper.h"
6#include "dNdEtaAnalysis.h"
7#include "AlidNdEtaCorrection.h"
8
9#include <TCanvas.h>
10#include <TFile.h>
11#include <TH1.h>
12#include <TH2F.h>
13#include <TH3F.h>
14#include <TLine.h>
15#include <TSystem.h>
6b7fa615 16#include <TLegend.h>
17#include <TPad.h>
18#include <TF1.h>
19
20extern TPad* gPad;
21
22void Track2Particle1DCreatePlots(const char* fileName = "correction_map.root", const char* folderName = "dndeta_correction", Float_t upperPtLimit = 10);
10ebe68d 23
24#endif
25
9f469bf5 26
10ebe68d 27void SetRanges(TAxis* axis)
28{
29 if (strcmp(axis->GetTitle(), "#eta") == 0)
30 axis->SetRangeUser(-1.7999, 1.7999);
31 if (strcmp(axis->GetTitle(), "p_{T} [GeV/c]") == 0)
32 axis->SetRangeUser(0, 9.9999);
33 if (strcmp(axis->GetTitle(), "vtx z [cm]") == 0)
34 axis->SetRangeUser(-15, 14.9999);
35 if (strcmp(axis->GetTitle(), "Ntracks") == 0)
36 axis->SetRangeUser(0, 99.9999);
37}
38
39void SetRanges(TH1* hist)
40{
41 SetRanges(hist->GetXaxis());
42 SetRanges(hist->GetYaxis());
43 SetRanges(hist->GetZaxis());
44}
45
46void Prepare3DPlot(TH3* hist)
47{
48 hist->GetXaxis()->SetTitleOffset(1.5);
49 hist->GetYaxis()->SetTitleOffset(1.5);
50 hist->GetZaxis()->SetTitleOffset(1.5);
51
52 hist->SetStats(kFALSE);
53}
54
55void Prepare2DPlot(TH2* hist)
56{
57 hist->SetStats(kFALSE);
58 hist->GetYaxis()->SetTitleOffset(1.4);
59
60 SetRanges(hist);
61}
62
7af955da 63void Prepare1DPlot(TH1* hist, Bool_t setRanges = kTRUE)
10ebe68d 64{
65 hist->SetLineWidth(2);
66 hist->SetStats(kFALSE);
67
7af955da 68 hist->GetXaxis()->SetTitleOffset(1.2);
69 hist->GetYaxis()->SetTitleOffset(1.2);
70
71 if (setRanges)
72 SetRanges(hist);
10ebe68d 73}
74
75void InitPad()
76{
9f469bf5 77 if (!gPad)
78 return;
79
10ebe68d 80 gPad->Range(0, 0, 1, 1);
81 gPad->SetLeftMargin(0.15);
82 //gPad->SetRightMargin(0.05);
83 //gPad->SetTopMargin(0.13);
84 //gPad->SetBottomMargin(0.1);
85
72e597d7 86 gPad->SetGridx();
87 gPad->SetGridy();
10ebe68d 88}
89
90void InitPadCOLZ()
91{
92 gPad->Range(0, 0, 1, 1);
93 gPad->SetRightMargin(0.15);
94 gPad->SetLeftMargin(0.12);
95
96 gPad->SetGridx();
97 gPad->SetGridy();
98}
99
100void Secondaries()
101{
102 TFile* file = TFile::Open("systematics.root");
103
7af955da 104 TH2F* secondaries = dynamic_cast<TH2F*> (file->Get("fSecondaries"));
10ebe68d 105 if (!secondaries)
106 {
107 printf("Could not read histogram\n");
108 return;
109 }
110
7af955da 111 TCanvas* canvas = new TCanvas("Secondaries", "Secondaries", 1000, 1000);
112 canvas->Divide(3, 3);
113 for (Int_t i=1; i<=8; i++)
10ebe68d 114 {
7af955da 115 TH1D* hist = secondaries->ProjectionY(Form("proj_%d", i), i, i);
116 hist->SetTitle(secondaries->GetXaxis()->GetBinLabel(i));
10ebe68d 117
7af955da 118 canvas->cd(i);
119 hist->Draw();
10ebe68d 120 }
121}
122
6b7fa615 123void Track2Particle1DComposition(const char** fileNames, Int_t folderCount, const char** folderNames, Float_t upperPtLimit = 9.9)
10ebe68d 124{
125 gSystem->Load("libPWG0base");
126
9f469bf5 127 TString canvasName;
128 canvasName.Form("Track2Particle1DComposition");
129 TCanvas* canvas = new TCanvas(canvasName, canvasName, 1200, 400);
130 canvas->Divide(3, 1);
10ebe68d 131
9f469bf5 132 TLegend* legend = new TLegend(0.7, 0.7, 0.95, 0.95);
10ebe68d 133
9f469bf5 134 for (Int_t i=0; i<folderCount; ++i)
10ebe68d 135 {
6b7fa615 136 Track2Particle1DCreatePlots(fileNames[i], folderNames[i], upperPtLimit);
9f469bf5 137
6b7fa615 138 TH1* corrX = dynamic_cast<TH1*> (gROOT->FindObject(Form("gene_%s_nTrackToNPart_x_div_meas_%s_nTrackToNPart_x", folderNames[i], folderNames[i])));
139 TH1* corrY = dynamic_cast<TH1*> (gROOT->FindObject(Form("gene_%s_nTrackToNPart_y_div_meas_%s_nTrackToNPart_y", folderNames[i], folderNames[i])));
140 TH1* corrZ = dynamic_cast<TH1*> (gROOT->FindObject(Form("gene_%s_nTrackToNPart_z_div_meas_%s_nTrackToNPart_z", folderNames[i], folderNames[i])));
9f469bf5 141
142 Prepare1DPlot(corrX);
143 Prepare1DPlot(corrY);
144 Prepare1DPlot(corrZ);
145
146 const char* title = "Track2Particle Correction";
147 corrX->SetTitle(title);
148 corrY->SetTitle(title);
149 corrZ->SetTitle(title);
150
151 corrZ->GetXaxis()->SetRangeUser(0, upperPtLimit);
152
153 corrX->SetLineColor(i+1);
154 corrY->SetLineColor(i+1);
155 corrZ->SetLineColor(i+1);
156
157 canvas->cd(1);
158 InitPad();
159 corrX->DrawCopy(((i>0) ? "SAME" : ""));
160
161 canvas->cd(2);
162 InitPad();
163 corrY->DrawCopy(((i>0) ? "SAME" : ""));
164
165 canvas->cd(3);
166 InitPad();
167 corrZ->DrawCopy(((i>0) ? "SAME" : ""));
168
169 legend->AddEntry(corrZ, folderNames[i]);
10ebe68d 170 }
171
9f469bf5 172 legend->Draw();
173
174 //canvas->SaveAs(Form("Track2Particle1D_%s_%d_%f.gif", fileName, gMax, upperPtLimit));
175 //canvas->SaveAs(Form("Track2Particle1D_%s_%d_%f.eps", fileName, gMax, upperPtLimit));
176}
177
6b7fa615 178TH1** DrawRatios(const char* fileName = "systematics.root")
179{
180 gSystem->Load("libPWG0base");
181
182 TFile* file = TFile::Open(fileName);
183
184 TString canvasName;
185 canvasName.Form("DrawRatios");
186 TCanvas* canvas = new TCanvas(canvasName, canvasName, 800, 400);
187 canvas->Divide(2, 1);
188 canvas->cd(1);
189
190 TH1** ptDists = new TH1*[4];
191
7af955da 192 TLegend* legend = new TLegend(0.73, 0.73, 0.98, 0.98);
6b7fa615 193
194 const char* folderNames[] = { "correction_0", "correction_1", "correction_2", "correction_3" };
195 const char* particleNames[] = { "#pi", "K", "p", "other" };
196 for (Int_t i=0; i<4; ++i)
197 {
198 AlidNdEtaCorrection* dNdEtaCorrection = new AlidNdEtaCorrection(folderNames[i], folderNames[i]);
199 dNdEtaCorrection->LoadHistograms(fileName, folderNames[i]);
200
201 TH3F* gene = dNdEtaCorrection->GetTrack2ParticleCorrection()->GetGeneratedHistogram();
202
203 gene->GetYaxis()->SetRangeUser(-0.8, 0.8);
204 gene->GetXaxis()->SetRangeUser(-10, 10);
205
206 ptDists[i] = dynamic_cast<TH1*> (gene->Project3D("z")->Clone(Form("%s_z", folderNames[i])));
207 ptDists[i]->SetTitle(";p_{T};Count");
208 if (!ptDists[i])
209 {
210 printf("Problem getting distribution %d.\n", i);
211 return 0;
212 }
213
214 ptDists[i]->GetYaxis()->SetRangeUser(1, ptDists[i]->GetMaximum()*1.1);
215 ptDists[i]->GetXaxis()->SetRangeUser(0, 9.9);
216 ptDists[i]->SetLineColor(i+1);
217 ptDists[i]->DrawCopy((i == 0) ? "" : "SAME");
218 ptDists[i]->GetYaxis()->SetRange(0, 0);
219
220 legend->AddEntry(ptDists[i], particleNames[i]);
221 }
222 gPad->SetLogy();
223
224 TH1* total = dynamic_cast<TH1*> (ptDists[0]->Clone("total"));
225
226 for (Int_t i=1; i<4; ++i)
227 total->Add(ptDists[i]);
228
229 canvas->cd(2);
230 for (Int_t i=0; i<4; ++i)
231 {
232 ptDists[i]->Divide(total);
7af955da 233 ptDists[i]->SetStats(kFALSE);
234 ptDists[i]->SetTitle(";p_{T};Fraction of total");
6b7fa615 235 ptDists[i]->GetYaxis()->SetRangeUser(0, 1);
236 ptDists[i]->Draw((i == 0) ? "" : "SAME");
237 }
7af955da 238 legend->SetFillColor(0);
6b7fa615 239 legend->Draw();
240
241 canvas->SaveAs("DrawRatios.gif");
242
7af955da 243
244 canvas = new TCanvas("PythiaRatios", "PythiaRatios", 500, 500);
245 for (Int_t i=0; i<4; ++i)
246 {
247 TH1* hist = ptDists[i]->Clone();
248 hist->GetXaxis()->SetRangeUser(0, 1.9);
249 hist->Draw((i == 0) ? "" : "SAME");
250 }
251 legend->Draw();
252
253 canvas->SaveAs("pythiaratios.eps");
254
6b7fa615 255 file->Close();
256
257 return ptDists;
258}
259
7af955da 260void DrawCompareToReal()
261{
262 gROOT->ProcessLine(".L drawPlots.C");
263
264 const char* fileNames[] = { "correction_map.root", "new_compositions.root" };
265 const char* folderNames[] = { "dndeta_correction", "PythiaRatios" };
266
267 Track2Particle1DComposition(fileNames, 2, folderNames);
268}
269
9f469bf5 270void DrawDifferentSpecies()
271{
272 gROOT->ProcessLine(".L drawPlots.C");
273
6b7fa615 274 const char* fileNames[] = { "systematics.root", "systematics.root", "systematics.root", "systematics.root" };
9f469bf5 275 const char* folderNames[] = { "correction_0", "correction_1", "correction_2", "correction_3" };
276
6b7fa615 277 Track2Particle1DComposition(fileNames, 4, folderNames);
9f469bf5 278}
10ebe68d 279
6b7fa615 280void DrawSpeciesAndCombination()
281{
282 gROOT->ProcessLine(".L drawPlots.C");
283
284 const char* fileNames[] = { "systematics.root", "systematics.root", "systematics.root", "new_compositions.root" };
285 const char* folderNames[] = { "correction_0", "correction_1", "correction_2", "PythiaRatios" };
286
287 Track2Particle1DComposition(fileNames, 4, folderNames);
288}
289
290void DrawSimulatedVsCombined()
291{
292 gROOT->ProcessLine(".L drawPlots.C");
293
294 const char* fileNames[] = { "new_compositions.root", "new_compositions.root" };
295 const char* folderNames[] = { "Pythia", "PythiaRatios" };
296
297 Track2Particle1DComposition(fileNames, 2, folderNames);
298}
299
300void DrawBoosts()
301{
302 gROOT->ProcessLine(".L drawPlots.C");
303
304 const char* fileNames[] = { "new_compositions.root", "new_compositions.root", "new_compositions.root", "new_compositions.root" };
305 const char* folderNames[] = { "PythiaRatios", "PiBoosted", "KBoosted", "pBoosted" };
306
307 Track2Particle1DComposition(fileNames, 4, folderNames);
308}
309
7af955da 310TH2F* HistogramDifferences(const char* filename, const char* folder1, const char* folder2)
6b7fa615 311{
312 gSystem->Load("libPWG0base");
313
314 AlidNdEtaCorrection* fdNdEtaCorrection[2];
315
316 TFile::Open(filename);
317
318 fdNdEtaCorrection[0] = new AlidNdEtaCorrection(folder1, folder1);
319 fdNdEtaCorrection[0]->LoadHistograms(filename, folder1);
320
321 fdNdEtaCorrection[1] = new AlidNdEtaCorrection(folder2, folder2);
322 fdNdEtaCorrection[1]->LoadHistograms(filename, folder2);
323
6b7fa615 324 TH3F* hist1 = fdNdEtaCorrection[0]->GetTrack2ParticleCorrection()->GetCorrectionHistogram();
325 TH3F* hist2 = fdNdEtaCorrection[1]->GetTrack2ParticleCorrection()->GetCorrectionHistogram();
326
7af955da 327 //TH1F* difference = new TH1F("difference", Form(";#DeltaC_{pT, z, #eta} %s / %s;Count", folder2, folder1), 1000, 0.9, 1.1);
328 TH2F* difference = new TH2F(Form("difference_%s_%s", folder1, folder2), Form(";#Sigma (C_{pT, z} %s / C_{pT, z} %s);#eta;Count", folder2, folder1), 100, 0.9, 1.1, hist1->GetYaxis()->GetNbins(), hist1->GetYaxis()->GetXmin(), hist1->GetYaxis()->GetXmax());
329
6b7fa615 330 for (Int_t x=hist1->GetXaxis()->FindBin(-10); x<=hist1->GetXaxis()->FindBin(10); ++x)
331 for (Int_t y=hist1->GetYaxis()->FindBin(-0.8); y<=hist1->GetYaxis()->FindBin(0.8); ++y)
332 for (Int_t z=hist1->GetZaxis()->FindBin(0.3); z<=hist1->GetZaxis()->FindBin(9.9); ++z)
7af955da 333 if (hist1->GetBinContent(x, y, z) != 0)
334 difference->Fill(hist2->GetBinContent(x, y, z) / hist1->GetBinContent(x, y, z), hist1->GetYaxis()->GetBinCenter(y));
335
336 difference->GetYaxis()->SetRangeUser(-0.8, 0.8);
6b7fa615 337
338 printf("Over-/Underflow bins: %d %d\n", difference->GetBinContent(0), difference->GetBinContent(difference->GetNbinsX()+1));
339
340 return difference;
341}
342
343void HistogramDifferences()
344{
7af955da 345 TH2F* KBoosted = HistogramDifferences("new_compositions.root", "PythiaRatios", "KBoosted");
346 TH2F* pBoosted = HistogramDifferences("new_compositions.root", "PythiaRatios", "pBoosted");
347 TH2F* KReduced = HistogramDifferences("new_compositions.root", "PythiaRatios", "KReduced");
348 TH2F* pReduced = HistogramDifferences("new_compositions.root", "PythiaRatios", "pReduced");
6b7fa615 349
7af955da 350 TCanvas* canvas = new TCanvas("HistogramDifferences", "HistogramDifferences", 1000, 1000);
351 canvas->Divide(2, 2);
6b7fa615 352
353 canvas->cd(1);
7af955da 354 KBoosted->GetXaxis()->SetRangeUser(-0.05, 0.05);
355 KBoosted->Draw("COLZ");
6b7fa615 356
357 canvas->cd(2);
7af955da 358 KReduced->GetXaxis()->SetRangeUser(-0.05, 0.05);
359 KReduced->Draw("COLZ");
6b7fa615 360
361 canvas->cd(3);
7af955da 362 pBoosted->GetXaxis()->SetRangeUser(-0.02, 0.02);
363 pBoosted->Draw("COLZ");
364
365 canvas->cd(4);
366 pReduced->GetXaxis()->SetRangeUser(-0.02, 0.02);
367 pReduced->Draw("COLZ");
6b7fa615 368
369 canvas->SaveAs("HistogramDifferences.gif");
7af955da 370
371 canvas = new TCanvas("HistogramDifferencesProfile", "HistogramDifferencesProfile", 1000, 500);
372 canvas->Divide(2, 1);
373
374 canvas->cd(1);
375 gPad->SetBottomMargin(0.13);
376 KBoosted->SetTitle("a) Ratio of correction maps");
377 KBoosted->SetStats(kFALSE);
378 KBoosted->GetXaxis()->SetTitleOffset(1.4);
379 KBoosted->GetXaxis()->SetLabelOffset(0.02);
380 KBoosted->Draw("COLZ");
381
382 canvas->cd(2);
383 gPad->SetGridx();
384 gPad->SetGridy();
385
386 TLegend* legend = new TLegend(0.73, 0.73, 0.98, 0.98);
387
388 for (Int_t i=0; i<4; ++i)
389 {
390 TH2F* hist = 0;
391 TString name;
392 switch (i)
393 {
394 case 0: hist = KBoosted; name = "K enhanced"; break;
395 case 1: hist = KReduced; name = "K reduced"; break;
396 case 2: hist = pBoosted; name = "p enhanced"; break;
397 case 3: hist = pReduced; name = "p reduced"; break;
398 }
399
400 TProfile* profile = hist->ProfileY();
401 profile->SetTitle("b) Mean and RMS");
402 profile->GetXaxis()->SetRange(hist->GetYaxis()->GetFirst(), hist->GetYaxis()->GetLast());
403 profile->GetXaxis()->SetTitleOffset(1.2);
404 profile->GetXaxis()->SetLabelOffset(0.02);
405 profile->GetYaxis()->SetRangeUser(0.98, 1.02);
406 profile->SetStats(kFALSE);
407 profile->SetLineColor(i+1);
408 profile->SetMarkerColor(i+1);
409 profile->DrawCopy(((i > 0) ? "SAME" : ""));
410
411
412 legend->AddEntry(profile, name);
413 }
414
415 legend->Draw();
416 canvas->SaveAs("particlecomposition_result.eps");
6b7fa615 417}
418
419
9f469bf5 420void ScalePtDependent(TH3F* hist, TF1* function)
421{
422 // assumes that pt is the third dimension of hist
423 // scales with function(pt)
10ebe68d 424
9f469bf5 425 for (Int_t z=1; z<=hist->GetNbinsZ(); ++z)
426 {
427 Double_t factor = function->Eval(hist->GetZaxis()->GetBinCenter(z));
428 printf("z = %d, pt = %f, scaling with %f\n", z, hist->GetZaxis()->GetBinCenter(z), factor);
429
430 for (Int_t x=1; x<=hist->GetNbinsX(); ++x)
431 for (Int_t y=1; y<=hist->GetNbinsY(); ++y)
432 hist->SetBinContent(x, y, z, hist->GetBinContent(x, y, z) * factor);
433 }
434}
435
6b7fa615 436void ScalePtDependent(TH3F* hist, TH1* function)
437{
438 // assumes that pt is the third dimension of hist
439 // scales with histogram(pt)
440
441 for (Int_t z=1; z<=hist->GetNbinsZ(); ++z)
442 {
443 Double_t factor = function->GetBinContent(function->GetXaxis()->FindBin(hist->GetZaxis()->GetBinCenter(z)));
444 printf("z = %d, pt = %f, scaling with %f\n", z, hist->GetZaxis()->GetBinCenter(z), factor);
445
446 for (Int_t x=1; x<=hist->GetNbinsX(); ++x)
447 for (Int_t y=1; y<=hist->GetNbinsY(); ++y)
448 hist->SetBinContent(x, y, z, hist->GetBinContent(x, y, z) * factor);
449 }
450}
451
452const char* ChangeComposition(void** correctionPointer, Int_t index)
9f469bf5 453{
454 AlidNdEtaCorrection** fdNdEtaCorrection = (AlidNdEtaCorrection**) correctionPointer;
455
456 switch (index)
457 {
6b7fa615 458 case 0: // result from pp events
459 {
460 TFile::Open("pythiaratios.root");
461
462 for (Int_t i=0; i<4; ++i)
463 {
464 TString name;
465 name.Form("correction_%d", i);
466 fdNdEtaCorrection[i] = new AlidNdEtaCorrection(name, name);
467 fdNdEtaCorrection[i]->LoadHistograms("pythiaratios.root", name);
468 }
469 }
470 return "Pythia";
471 break;
472
473 case 1: // each species rated with pythia ratios
7af955da 474 /*TH1** ptDists = DrawRatios("pythiaratios.root");
6b7fa615 475
476 for (Int_t i=0; i<3; ++i)
477 {
478 ScalePtDependent(fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetMeasuredHistogram(), ptDists[i]);
479 ScalePtDependent(fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetGeneratedHistogram(), ptDists[i]);
7af955da 480 }*/
6b7fa615 481 return "PythiaRatios";
9f469bf5 482 break;
483
7af955da 484 // one species enhanced / reduced
485 case 2: // + 50% pions
486 case 3: // - 50% pions
487 case 4: // + 50% kaons
488 case 5: // - 50% kaons
489 case 6: // + 50% protons
490 case 7: // - 50% protons
491 Int_t correctionIndex = (index - 2) / 2;
492 Double_t scaleFactor = (index % 2 == 0) ? 1.5 : 0.5;
493
494 fdNdEtaCorrection[correctionIndex]->GetTrack2ParticleCorrection()->GetMeasuredHistogram()->Scale(scaleFactor);
495 fdNdEtaCorrection[correctionIndex]->GetTrack2ParticleCorrection()->GetGeneratedHistogram()->Scale(scaleFactor);
496
497 TString* str = new TString;
498 str->Form("%s%s", (correctionIndex == 0) ? "Pi" : ((correctionIndex == 1) ? "K" : "p"), (index % 2 == 0) ? "Boosted" : "Reduced");
499 return str->Data();
500 break;
501
6b7fa615 502 // each species rated with pythia ratios
7af955da 503 case 12: // + 50% pions
504 case 13: // - 50% pions
505 case 14: // + 50% kaons
506 case 15: // - 50% kaons
507 case 16: // + 50% protons
508 case 17: // - 50% protons
6b7fa615 509 TH1** ptDists = DrawRatios("pythiaratios.root");
510 Int_t functionIndex = (index - 2) / 2;
7af955da 511 Double_t scaleFactor = (index % 2 == 0) ? 1.5 : 0.5;
6b7fa615 512 ptDists[functionIndex]->Scale(scaleFactor);
513
514 for (Int_t i=0; i<3; ++i)
515 {
516 ScalePtDependent(fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetMeasuredHistogram(), ptDists[i]);
517 ScalePtDependent(fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetGeneratedHistogram(), ptDists[i]);
518 }
519 TString* str = new TString;
520 str->Form("%s%s", (functionIndex == 0) ? "Pi" : ((functionIndex == 1) ? "K" : "p"), (index % 2 == 0) ? "Boosted" : "Reduced");
521 return str->Data();
9f469bf5 522 break;
523
6b7fa615 524 case 999:
9f469bf5 525 TF1* ptDependence = new TF1("simple", "x", 0, 100);
526 ScalePtDependent(fdNdEtaCorrection[0]->GetTrack2ParticleCorrection()->GetGeneratedHistogram(), ptDependence);
527 ScalePtDependent(fdNdEtaCorrection[0]->GetTrack2ParticleCorrection()->GetMeasuredHistogram(), ptDependence);
528 break;
529
530 }
6b7fa615 531
532 return "noname";
9f469bf5 533}
534
535void Composition()
536{
537 gSystem->Load("libPWG0base");
538
539 gSystem->Unlink("new_compositions.root");
540
6b7fa615 541 Int_t nCompositions = 8;
542 for (Int_t comp = 0; comp < nCompositions; ++comp)
9f469bf5 543 {
544 AlidNdEtaCorrection* fdNdEtaCorrection[4];
545
546 TFile::Open("systematics.root");
547
548 for (Int_t i=0; i<4; ++i)
549 {
550 TString name;
551 name.Form("correction_%d", i);
552 fdNdEtaCorrection[i] = new AlidNdEtaCorrection(name, name);
553 fdNdEtaCorrection[i]->LoadHistograms("systematics.root", name);
554 }
555
6b7fa615 556 const char* newName = ChangeComposition(fdNdEtaCorrection, comp);
9f469bf5 557
558 Double_t geneCount[5];
559 Double_t measCount[5];
560 geneCount[4] = 0;
561 measCount[4] = 0;
562
563 for (Int_t i=0; i<4; ++i)
564 {
565 geneCount[i] = fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetGeneratedHistogram()->Integral();
566 measCount[i] = fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetMeasuredHistogram()->Integral();
567
568 geneCount[4] += geneCount[i];
569 measCount[4] += measCount[i];
570
571 printf("Particle %s: %d gene, %d meas\n", ((i == 0) ? "pi" : (i == 1) ? "K" : (i == 2) ? "p" : "others"), (Int_t) geneCount[i], (Int_t) measCount[i]);
572 }
10ebe68d 573
9f469bf5 574 printf("Generated ratios are: %f pi, %f K, %f p, %f others\n", geneCount[0] / geneCount[4], geneCount[1] / geneCount[4], geneCount[2] / geneCount[4], geneCount[3] / geneCount[4]);
10ebe68d 575
9f469bf5 576 printf("Reconstructed ratios are: %f pi, %f K, %f p, %f others\n", measCount[0] / measCount[4], measCount[1] / measCount[4], measCount[2] / measCount[4], measCount[3] / measCount[4]);
10ebe68d 577
9f469bf5 578 TList* collection = new TList;
10ebe68d 579
9f469bf5 580 for (Int_t i=0; i<4; ++i)
581 collection->Add(fdNdEtaCorrection[i]);
10ebe68d 582
6b7fa615 583 AlidNdEtaCorrection* newComposition = new AlidNdEtaCorrection(newName, newName);
9f469bf5 584 newComposition->Merge(collection);
585 newComposition->Finish();
586
587 delete collection;
588
589 TFile* file = TFile::Open("new_compositions.root", "UPDATE");
590 newComposition->SaveHistograms();
591 //file->Write();
592 file->Close();
593 }
10ebe68d 594
595 gROOT->ProcessLine(".L drawPlots.C");
9f469bf5 596
6b7fa615 597 const char* fileNames[] = {"new_compositions.root", "new_compositions.root", "new_compositions.root", "new_compositions.root", "new_compositions.root", "new_compositions.root", "new_compositions.root", "new_compositions.root" };
598 const char* folderNames[] = { "Pythia", "PythiaRatios", "PiBoosted", "PiReduced", "KBoosted", "KReduced", "pBoosted", "pReduced" };
9f469bf5 599
6b7fa615 600 Track2Particle1DComposition(fileNames, nCompositions, folderNames);
9f469bf5 601}
602
603Double_t ConvSigma1To2D(Double_t sigma)
604{
605 return TMath::Sqrt( - TMath::Log( 1 - TMath::Erf(sigma / TMath::Sqrt(2)) ) * 2);
606}
607
608Double_t ConvDistance1DTo2D(Double_t distance)
609{
610 return TMath::ErfInverse(1 - TMath::Exp(-distance * distance / 2)) * TMath::Sqrt(2);
611}
612
613Double_t Sigma2VertexCount(TH2F* tracks, Double_t nSigma)
614{
615 Double_t count = 0;
616
617 //nSigma = ConvSigma1To2D(nSigma);
618
619 for (Int_t x=1; x<=tracks->GetNbinsX(); ++x)
620 for (Int_t y=1; y<=tracks->GetNbinsY(); ++y)
621 {
622 Double_t impactX = tracks->GetXaxis()->GetBinCenter(x);
623 Double_t impactY = tracks->GetYaxis()->GetBinCenter(y);
624
625 Float_t d = TMath::Sqrt(impactX*impactX + impactY*impactY);
626
627 d = ConvDistance1DTo2D(d);
628
629 if (d < nSigma)
630 count += tracks->GetBinContent(x, y);
631 }
632
633 return count;
634}
635
636TH2F* Sigma2VertexGaussianTracksHist()
637{
638 TH2F* tracks = new TH2F("Sigma2Vertex_tracks", "Sigma2Vertex_tracks", 200, -5, 5, 200, -5, 5);
639
640 TF2* gaussian2D = new TF2("gaussian2D", "xgausn(0) * ygausn(3)", -5, 5, -5, 5);
641 gaussian2D->SetParameters(1, 0, 1, 1, 0, 1);
642
643 for (Int_t x=1; x<=tracks->GetNbinsX(); ++x)
644 for (Int_t y=1; y<=tracks->GetNbinsY(); ++y)
645 tracks->SetBinContent(x, y, gaussian2D->Eval(tracks->GetXaxis()->GetBinCenter(x), tracks->GetYaxis()->GetBinCenter(y)));
646
647 //normalize
648 tracks->Scale(1.0 / tracks->Integral());
649
650 return tracks;
651}
652
4c6b34a8 653TH1F* Sigma2VertexGaussian()
9f469bf5 654{
655 TH2F* tracks = Sigma2VertexGaussianTracksHist();
656
657 TCanvas* canvas = new TCanvas("Sigma2VertexGaussian", "Sigma2VertexGaussian", 1000, 1000);
658 canvas->Divide(2, 2);
659
660 canvas->cd(1);
661 tracks->Draw("COLZ");
662
72e597d7 663 TH1F* ratio = new TH1F("Sigma2Vertex_ratio", "Sigma2Vertex_ratio;n sigma;included", 50, 0.05, 5.05);
664 for (Double_t nSigma = 0.1; nSigma < 5.05; nSigma += 0.1)
9f469bf5 665 ratio->Fill(nSigma, Sigma2VertexCount(tracks, nSigma));
666 ratio->SetMarkerStyle(21);
667
668 canvas->cd(2);
4c6b34a8 669 ratio->DrawCopy("P");
9f469bf5 670
72e597d7 671 TH1F* ratio2 = new TH1F("Sigma2Vertex_ratio2", "Sigma2Vertex_ratio2;nSigma;% included 3 sigma / % included n sigma", 50, 0.05, 5.05);
9f469bf5 672 Double_t sigma3 = Sigma2VertexCount(tracks, 3);
72e597d7 673 for (Double_t nSigma = 0.1; nSigma < 5.05; nSigma += 0.1)
674 ratio2->Fill(nSigma, sigma3 / ratio->GetBinContent(ratio->FindBin(nSigma)));
9f469bf5 675 ratio2->SetMarkerStyle(21);
676
677 canvas->cd(3);
4c6b34a8 678 ratio2->DrawCopy("P");
9f469bf5 679
680 canvas->SaveAs("Sigma2Vertex.eps");
4c6b34a8 681
682 return ratio2;
9f469bf5 683}
684
4c6b34a8 685TH1F* Sigma2VertexSimulation()
9f469bf5 686{
687 TFile* file = TFile::Open("systematics.root");
688
689 TH1F* sigmavertex = dynamic_cast<TH1F*> (file->Get("fSigmaVertex"));
690 if (!sigmavertex)
691 {
692 printf("Could not read histogram\n");
693 return;
694 }
695
5c495d37 696 TH1F* ratio = new TH1F("sigmavertexsimulation_ratio", "sigmavertexsimulation_ratio;N#sigma;% included in 3 #sigma / % included in N#sigma", sigmavertex->GetNbinsX(), sigmavertex->GetXaxis()->GetXmin(), sigmavertex->GetXaxis()->GetXmax());
9f469bf5 697
698 for (Int_t i=1; i<=sigmavertex->GetNbinsX(); ++i)
699 ratio->SetBinContent(i, sigmavertex->GetBinContent(sigmavertex->GetXaxis()->FindBin(3)) / sigmavertex->GetBinContent(i));
700
701 TCanvas* canvas = new TCanvas("Sigma2VertexSimulation", "Sigma2VertexSimulation", 1000, 500);
702 canvas->Divide(2, 1);
703
704 canvas->cd(1);
705 sigmavertex->SetMarkerStyle(21);
706 sigmavertex->Draw("P");
707
708 canvas->cd(2);
709 ratio->SetMarkerStyle(21);
4c6b34a8 710 ratio->DrawCopy("P");
711
712 return ratio;
10ebe68d 713}
714
4c6b34a8 715void Sigma2VertexCompare()
716{
717 TH1F* ratio1 = Sigma2VertexGaussian();
718 TH1F* ratio2 = Sigma2VertexSimulation();
719
720 ratio1->SetStats(kFALSE);
721 ratio2->SetStats(kFALSE);
722
723 ratio1->SetMarkerStyle(0);
724 ratio2->SetMarkerStyle(0);
725
0bd1f8a0 726 ratio1->SetLineWidth(2);
727 ratio2->SetLineWidth(2);
728
729 TLegend* legend = new TLegend(0.7, 0.8, 0.95, 0.95);
730 legend->SetFillColor(0);
4c6b34a8 731 legend->AddEntry(ratio1, "Gaussian");
732 legend->AddEntry(ratio2, "Simulation");
733
0bd1f8a0 734 ratio2->SetTitle("");
735 ratio2->GetYaxis()->SetTitleOffset(1.5);
736 ratio2->GetXaxis()->SetRangeUser(2, 4);
4c6b34a8 737
738 TCanvas* canvas = new TCanvas("Sigma2VertexCompare", "Sigma2VertexCompare", 500, 500);
739 InitPad();
740
5c495d37 741 ratio2->SetMarkerStyle(21);
742 ratio1->SetMarkerStyle(22);
743
744 ratio2->GetYaxis()->SetRangeUser(0.8, 1.2);
4c6b34a8 745 ratio2->SetLineColor(kRed);
5c495d37 746 ratio2->SetMarkerColor(kRed);
747 ratio2->Draw("PL");
748 ratio1->Draw("SAMEPL");
4c6b34a8 749
750 legend->Draw();
0bd1f8a0 751
752 canvas->SaveAs("Sigma2VertexCompare.eps");
4c6b34a8 753}
9f469bf5 754
10ebe68d 755void drawSystematics()
756{
9f469bf5 757 //Secondaries();
758 //DrawDifferentSpecies();
759 //Composition();
760
761 Sigma2VertexSimulation();
27c04e01 762
10ebe68d 763}
7af955da 764
765void DrawdNdEtaDifferences()
766{
767 TH1* hists[5];
768
72e597d7 769 TLegend* legend = new TLegend(0.3, 0.73, 0.70, 0.98);
f1076daa 770 legend->SetFillColor(0);
771
7af955da 772 TCanvas* canvas = new TCanvas("DrawdNdEtaDifferences", "DrawdNdEtaDifferences", 1000, 500);
773 canvas->Divide(2, 1);
774
775 canvas->cd(1);
776
777 for (Int_t i=0; i<5; ++i)
778 {
72e597d7 779 hists[i] = 0;
7af955da 780 TFile* file = 0;
f1076daa 781 TString title;
7af955da 782
783 switch(i)
784 {
f1076daa 785 case 0 : file = TFile::Open("systematics_dndeta_reference.root"); title = "standard composition"; break;
786 case 1 : file = TFile::Open("systematics_dndeta_KBoosted.root"); title = "+ 50% kaons"; break;
787 case 2 : file = TFile::Open("systematics_dndeta_KReduced.root"); title = "- 50% kaons"; break;
788 case 3 : file = TFile::Open("systematics_dndeta_pBoosted.root"); title = "+ 50% protons"; break;
789 case 4 : file = TFile::Open("systematics_dndeta_pReduced.root"); title = "- 50% protons"; break;
7af955da 790 default: return;
791 }
792
72e597d7 793 if (file)
794 {
795 hists[i] = (TH1*) file->Get("dndeta/dndeta_dNdEta_corrected_2");
796 hists[i]->SetTitle("a)");
797
798 Prepare1DPlot(hists[i], kFALSE);
799 hists[i]->GetXaxis()->SetRangeUser(-0.7999, 0.7999);
da7acf97 800 hists[i]->GetYaxis()->SetRangeUser(6, 7);
72e597d7 801 hists[i]->SetLineColor(i+1);
802 hists[i]->SetMarkerColor(i+1);
803 hists[i]->GetXaxis()->SetLabelOffset(0.015);
804 hists[i]->GetYaxis()->SetTitleOffset(1.5);
805 gPad->SetLeftMargin(0.12);
806 hists[i]->DrawCopy(((i > 0) ? "SAME" : ""));
807
808 legend->AddEntry(hists[i], title);
809 hists[i]->SetTitle(title);
810 }
7af955da 811 }
f1076daa 812 legend->Draw();
7af955da 813
814 canvas->cd(2);
f1076daa 815 gPad->SetLeftMargin(0.14);
816
817 TLegend* legend2 = new TLegend(0.73, 0.73, 0.98, 0.98);
818 legend2->SetFillColor(0);
7af955da 819
820 for (Int_t i=1; i<5; ++i)
821 {
72e597d7 822 if (hists[i])
823 {
824 legend2->AddEntry(hists[i]);
825
826 hists[i]->Divide(hists[0]);
827 hists[i]->SetTitle("b)");
da7acf97 828 hists[i]->GetYaxis()->SetRangeUser(0.95, 1.05);
72e597d7 829 hists[i]->GetYaxis()->SetTitle("Ratio to standard composition");
830 hists[i]->GetYaxis()->SetTitleOffset(1.8);
831 hists[i]->DrawCopy(((i > 1) ? "SAME" : ""));
832 }
7af955da 833 }
f1076daa 834
835 legend2->Draw();
836
837 canvas->SaveAs("particlecomposition_result.eps");
838 canvas->SaveAs("particlecomposition_result.gif");
7af955da 839}
27c04e01 840
da7acf97 841mergeCorrections4SystematicStudies(Char_t* standardCorrectionFileName="correction_map.root",
27c04e01 842 Char_t* systematicCorrectionFileName="systematics.root",
da7acf97 843 Char_t* outputFileName="systematics_vtxtrigger_compositions.root") {
27c04e01 844 //
845 // Function used to merge standard corrections with vertex
846 // reconstruction corrections obtained by a certain mix of ND, DD
847 // and SD events.
848 //
849
850 gSystem->Load("libPWG0base");
851
da7acf97 852 const Char_t* typeName[] = { "vertexreco", "trigger", "vtxtrigger" };
853 const Char_t* changes[] = {"pythia","ddmore","ddless","sdmore","sdless", "dmore", "dless"};
854 Float_t scalesDD[] = {1.0, 1.5, 0.5, 1.0, 1.0, 1.5, 0.5};
855 Float_t scalesSD[] = {1.0, 1.0, 1.0, 1.5, 0.5, 1.5, 0.5};
27c04e01 856
857 // cross section from Pythia
858 Float_t sigmaND = 55.2;
859 Float_t sigmaDD = 9.78;
860 Float_t sigmaSD = 14.30;
861
da7acf97 862 AlidNdEtaCorrection* corrections[21];
863 for (Int_t j=0; j<3; j++) { // j = 0 (change vtx), j = 1 (change trg), j = 2 (change both)
864 AlidNdEtaCorrection* correctionStandard = new AlidNdEtaCorrection("dndeta_correction","dndeta_correction");
865 correctionStandard->LoadHistograms(standardCorrectionFileName);
27c04e01 866
da7acf97 867 // dont take vertexreco from this one
868 correctionStandard->GetVertexRecoCorrection()->Reset();
869 // dont take triggerbias from this one
870 correctionStandard->GetTriggerBiasCorrectionINEL()->Reset();
27c04e01 871
da7acf97 872 for (Int_t i=0; i<7; i++) {
873 TString name;
874 name.Form("dndeta_correction_syst_%s_%s", typeName[j], changes[i]);
875 AlidNdEtaCorrection* current = new AlidNdEtaCorrection(name, name);
876
877 name.Form("vertexRecoND");
878 AlidNdEtaCorrection* dNdEtaCorrectionVtxND = new AlidNdEtaCorrection(name,name);
879 dNdEtaCorrectionVtxND->LoadHistograms(systematicCorrectionFileName, name);
880 name.Form("vertexRecoDD");
881 AlidNdEtaCorrection* dNdEtaCorrectionVtxDD = new AlidNdEtaCorrection(name,name);
882 dNdEtaCorrectionVtxDD->LoadHistograms(systematicCorrectionFileName, name);
883 name.Form("vertexRecoSD");
884 AlidNdEtaCorrection* dNdEtaCorrectionVtxSD = new AlidNdEtaCorrection(name,name);
885 dNdEtaCorrectionVtxSD->LoadHistograms(systematicCorrectionFileName, name);
886
887 name.Form("triggerBiasND");
888 AlidNdEtaCorrection* dNdEtaCorrectionTriggerND = new AlidNdEtaCorrection(name,name);
889 dNdEtaCorrectionTriggerND->LoadHistograms(systematicCorrectionFileName, name);
890 name.Form("triggerBiasDD");
891 AlidNdEtaCorrection* dNdEtaCorrectionTriggerDD = new AlidNdEtaCorrection(name,name);
892 dNdEtaCorrectionTriggerDD->LoadHistograms(systematicCorrectionFileName, name);
893 name.Form("triggerBiasSD");
894 AlidNdEtaCorrection* dNdEtaCorrectionTriggerSD = new AlidNdEtaCorrection(name,name);
895 dNdEtaCorrectionTriggerSD->LoadHistograms(systematicCorrectionFileName, name);
896
897 // calculating relative
898 Float_t nd = 100 * sigmaND/(sigmaND + (scalesDD[i]*sigmaDD) + (scalesDD[i]*sigmaSD));
899 Float_t dd = 100 * (scalesDD[i]*sigmaDD)/(sigmaND + (scalesDD[i]*sigmaDD) + (scalesDD[i]*sigmaSD));
900 Float_t sd = 100 * (scalesSD[i]*sigmaSD)/(sigmaND + (scalesDD[i]*sigmaDD) + (scalesDD[i]*sigmaSD));
901
902 printf(Form("%s : ND=%.1f\%, DD=%.1f\%, SD=%.1f\% \n",changes[i],nd,dd,sd));
903 current->SetTitle(Form("ND=%.2f\%,DD=%.2f\%,SD=%.2f\%",nd,dd,sd));
904 current->SetTitle(name);
905
906 // scale
907 if (j == 0 || j == 2)
908 {
909 dNdEtaCorrectionVtxDD->GetVertexRecoCorrection()->GetMeasuredHistogram()->Scale(scalesDD[i]);
910 dNdEtaCorrectionVtxSD->GetVertexRecoCorrection()->GetMeasuredHistogram()->Scale(scalesSD[i]);
911 dNdEtaCorrectionVtxDD->GetVertexRecoCorrection()->GetGeneratedHistogram()->Scale(scalesDD[i]);
912 dNdEtaCorrectionVtxSD->GetVertexRecoCorrection()->GetGeneratedHistogram()->Scale(scalesSD[i]);
913 }
914 if (j == 1 || j == 2)
915 {
916 dNdEtaCorrectionTriggerDD->GetTriggerBiasCorrectionINEL()->GetMeasuredHistogram()->Scale(scalesDD[i]);
917 dNdEtaCorrectionTriggerSD->GetTriggerBiasCorrectionINEL()->GetMeasuredHistogram()->Scale(scalesSD[i]);
918 dNdEtaCorrectionTriggerDD->GetTriggerBiasCorrectionINEL()->GetGeneratedHistogram()->Scale(scalesDD[i]);
919 dNdEtaCorrectionTriggerSD->GetTriggerBiasCorrectionINEL()->GetGeneratedHistogram()->Scale(scalesSD[i]);
920 }
921
922 //clear track, trigger in Vtx correction
923 dNdEtaCorrectionVtxND->GetTrack2ParticleCorrection()->Reset();
924 dNdEtaCorrectionVtxND->GetTriggerBiasCorrectionNSD()->Reset();
925 dNdEtaCorrectionVtxND->GetTriggerBiasCorrectionND()->Reset();
926 dNdEtaCorrectionVtxND->GetTriggerBiasCorrectionINEL()->Reset();
927 dNdEtaCorrectionVtxSD->GetTrack2ParticleCorrection()->Reset();
928 dNdEtaCorrectionVtxSD->GetTriggerBiasCorrectionNSD()->Reset();
929 dNdEtaCorrectionVtxSD->GetTriggerBiasCorrectionND()->Reset();
930 dNdEtaCorrectionVtxSD->GetTriggerBiasCorrectionINEL()->Reset();
931 dNdEtaCorrectionVtxDD->GetTrack2ParticleCorrection()->Reset();
932 dNdEtaCorrectionVtxDD->GetTriggerBiasCorrectionNSD()->Reset();
933 dNdEtaCorrectionVtxDD->GetTriggerBiasCorrectionND()->Reset();
934 dNdEtaCorrectionVtxDD->GetTriggerBiasCorrectionINEL()->Reset();
935
936 //clear track, vertexreco in trigger correction
937 dNdEtaCorrectionTriggerND->GetTrack2ParticleCorrection()->Reset();
938 dNdEtaCorrectionTriggerND->GetTriggerBiasCorrectionNSD()->Reset();
939 dNdEtaCorrectionTriggerND->GetTriggerBiasCorrectionND()->Reset();
940 dNdEtaCorrectionTriggerND->GetVertexRecoCorrection()->Reset();
941 dNdEtaCorrectionTriggerSD->GetTrack2ParticleCorrection()->Reset();
942 dNdEtaCorrectionTriggerSD->GetTriggerBiasCorrectionNSD()->Reset();
943 dNdEtaCorrectionTriggerSD->GetTriggerBiasCorrectionND()->Reset();
944 dNdEtaCorrectionTriggerSD->GetVertexRecoCorrection()->Reset();
945 dNdEtaCorrectionTriggerDD->GetTrack2ParticleCorrection()->Reset();
946 dNdEtaCorrectionTriggerDD->GetTriggerBiasCorrectionNSD()->Reset();
947 dNdEtaCorrectionTriggerDD->GetTriggerBiasCorrectionND()->Reset();
948 dNdEtaCorrectionTriggerDD->GetVertexRecoCorrection()->Reset();
949
950 TList collection;
951 collection.Add(correctionStandard);
952 collection.Add(dNdEtaCorrectionVtxND);
953 collection.Add(dNdEtaCorrectionVtxDD);
954 collection.Add(dNdEtaCorrectionVtxSD);
955 collection.Add(dNdEtaCorrectionTriggerND);
956 collection.Add(dNdEtaCorrectionTriggerDD);
957 collection.Add(dNdEtaCorrectionTriggerSD);
958
959 current->Merge(&collection);
960 current->Finish();
961
962 corrections[i+j*7] = current;
963 }
27c04e01 964 }
da7acf97 965
27c04e01 966 TFile* fout = new TFile(outputFileName,"RECREATE");
967
da7acf97 968 for (Int_t i=0; i<21; i++)
27c04e01 969 corrections[i]->SaveHistograms();
970
971 fout->Write();
972 fout->Close();
973}
5e08578b 974
975
7f0efb86 976DrawVertexRecoSyst() {
977 // Draws the ratio of the dN/dEta obtained with changed SD and DD
978 // cross-sections vertex reco corrections to the dN/dEta obtained
979 // from the standard pythia cross-sections
980 //
981 // The files with the vertex reco corrections for different
982 // processes (and with the other standard corrections) are expected
983 // to have the names "analysis_esd_X.root", where the Xs are defined
984 // in the array changes below.
5e08578b 985
986 Char_t* changes[] = {"pythia","ddmore","ddless","sdmore","sdless", "dmore", "dless"};
987 Char_t* descr[] = {"",
988 "#sigma_{DD}' = 1.5#times#sigma_{DD}",
989 "#sigma_{DD}' = 0.5#times#sigma_{DD}",
990 "#sigma_{SD}' = 1.5#times#sigma_{SD}",
991 "#sigma_{SD}' = 0.5#times#sigma_{SD}",
992 "#sigma_{D}' = 1.5#times#sigma_{D}",
993 "#sigma_{D}' = 0.5#times#sigma_{D}"};
994
995 Float_t scalesDD[] = {1.0, 1.5, 0.5, 1.5, 0.5, 1.5, 0.5};
996 Float_t scalesSD[] = {1.0, 1.0, 1.0, 1.0, 1.0, 1.5, 0.5};
997
fb30f6e3 998 Int_t markers[] = {20,20,21,22,23,28,29};
5e08578b 999 Int_t colors[] = {1,2,3,4,6,8,102};
1000
1001 // cross section from Pythia
1002 Float_t sigmaND = 55.2;
1003 Float_t sigmaDD = 9.78;
1004 Float_t sigmaSD = 14.30;
1005
5e08578b 1006 TH1F* dNdEta[7];
5e08578b 1007 TH1F* ratios[7];
1008
1009 TFile* fin;
1010
5e08578b 1011 for (Int_t i=0; i<7; i++) {
fb30f6e3 1012 // calculating relative
7f0efb86 1013 fin = TFile::Open(Form("analysis_esd_%s.root",changes[i]));
fb30f6e3 1014
5e08578b 1015 dNdEta[i] = (TH1F*)(fin->Get("dndeta/dndeta_dNdEta_corrected_2"))->Clone();
fb30f6e3 1016
5e08578b 1017 for (Int_t b=0; b<dNdEta[i]->GetNbinsX(); b++) {
1018 if (TMath::Abs(dNdEta[i]->GetBinCenter(b))>0.9) {
1019 dNdEta[i]->SetBinContent(b,0);
1020 dNdEta[i]->SetBinError(b,0);
1021 }
1022 }
fb30f6e3 1023
5e08578b 1024 dNdEta[i]->Rebin(4);
fb30f6e3 1025
5e08578b 1026 dNdEta[i]->SetLineWidth(2);
1027 dNdEta[i]->SetLineColor(colors[i]);
1028 dNdEta[i]->SetMarkerStyle(markers[i]);
fb30f6e3 1029 dNdEta[i]->SetMarkerSize(0.9);
1030 dNdEta[i]->SetMarkerColor(colors[i]);
1031
5e08578b 1032 ratios[i] = (TH1F*)dNdEta[i]->Clone("ratio");
1033 ratios[i]->Divide(ratios[i],dNdEta[0],1,1,"B");
1034
1035 ratios[i]->SetName(changes[i]);
1036 ratios[i]->SetTitle(changes[i]);
1037 }
1038
1039 //##########################################################
1040
1041 gStyle->SetOptStat(0);
1042 gStyle->SetOptTitle(0);
1043 gStyle->SetOptFit(0);
1044
1045 gStyle->SetTextSize(0.2);
1046 gStyle->SetTitleSize(0.05,"xyz");
5e08578b 1047 gStyle->SetLabelOffset(0.01, "xyz");
1048
1049
1050 gStyle->SetTitleOffset(1.2, "y");
1051 gStyle->SetTitleOffset(1.2, "x");
1052 gStyle->SetEndErrorSize(0.0);
1053
1054 //##############################################
1055
1056 //making canvas and pads
da7acf97 1057 TCanvas *c = new TCanvas(Form("vertex_reco_syst_%s", plot), Form("vertex_reco_syst_%s", plot),600,500);
5e08578b 1058
1059 TPad* p1 = new TPad("pad1","", 0, 0.0, 1.0, 1.0, 0, 0, 0);
1060
1061 p1->SetBottomMargin(0.15);
1062 p1->SetTopMargin(0.03);
1063 p1->SetLeftMargin(0.15);
1064 p1->SetRightMargin(0.03);
da7acf97 1065
5e08578b 1066 p1->SetGridx();
1067 p1->SetGridy();
1068
1069 p1->Draw();
1070 p1->cd();
5e08578b 1071
1072
1073 TH2F* null = new TH2F("","",100,-1.5,1.5,100,0.9601,1.099);
1074 null->SetXTitle("#eta");
1075 null->GetXaxis()->CenterTitle(kTRUE);
1076 null->SetYTitle("dN/d#eta / dN/d#eta_{pythia}");
1077 null->GetYaxis()->CenterTitle(kTRUE);
1078 null->Draw();
1079
1080 for (Int_t i=1; i<7; i++)
1081 ratios[i]->Draw("same");
fb30f6e3 1082
1083 TLegend* legend = new TLegend(0.6, 0.6, 0.95, 0.95);
1084 legend->SetFillColor(0);
1085
5e08578b 1086 TLatex* text[7];
1087 for (Int_t i=1; i<7; i++) {
fb30f6e3 1088 legend->AddEntry(dNdEta[i], descr[i]);
5e08578b 1089 }
fb30f6e3 1090
1091 legend->Draw();
da7acf97 1092 //text(0.2,0.88,"Effect of changing",0.045,1,kTRUE);
1093 //text(0.2,0.83,"relative cross-sections",0.045,1,kTRUE);
1094 //text(0.2,0.78,"(vertex reconstruction corr.)",0.043,13,kTRUE);
1095
1096 c->SaveAs(Form("%s.gif", c->GetName()));
fb30f6e3 1097 c->SaveAs(Form("%s.eps", c->GetName()));
5e08578b 1098}
1099
1100
1101
1102DrawTriggerEfficiency(Char_t* fileName) {
1103
1104 gStyle->SetOptStat(0);
1105 gStyle->SetOptTitle(0);
1106 gStyle->SetOptFit(0);
1107
1108 gStyle->SetTextSize(0.04);
1109 gStyle->SetTitleSize(0.05,"xyz");
1110 //gStyle->SetTitleFont(133, "xyz");
1111 //gStyle->SetLabelFont(133, "xyz");
1112 //gStyle->SetLabelSize(17, "xyz");
1113 gStyle->SetLabelOffset(0.01, "xyz");
1114
1115 gStyle->SetTitleOffset(1.1, "y");
1116 gStyle->SetTitleOffset(1.1, "x");
1117 gStyle->SetEndErrorSize(0.0);
1118
1119 //##############################################
1120
1121 //making canvas and pads
1122 TCanvas *c = new TCanvas("trigger_eff", "",600,500);
1123
1124 TPad* p1 = new TPad("pad1","", 0, 0.0, 1.0, 1.0, 0, 0, 0);
1125
1126 p1->SetBottomMargin(0.15);
1127 p1->SetTopMargin(0.03);
1128 p1->SetLeftMargin(0.15);
1129 p1->SetRightMargin(0.03);
1130
1131 p1->SetGridx();
1132 p1->SetGridy();
1133
1134 p1->Draw();
1135 p1->cd();
1136
1137 gSystem->Load("libPWG0base");
1138
1139 AlidNdEtaCorrection* corrections[4];
1140 AliCorrectionMatrix2D* triggerBiasCorrection[4];
1141
1142 TH1F* hTriggerEffInv[4];
1143 TH1F* hTriggerEff[4];
1144
1145 Char_t* names[] = {"triggerBiasND", "triggerBiasDD", "triggerBiasSD", "triggerBiasINEL"};
1146
1147 for (Int_t i=0; i<4; i++) {
1148 corrections[i] = new AlidNdEtaCorrection(names[i], names[i]);
1149 corrections[i]->LoadHistograms(fileName, names[i]);
1150
1151 triggerBiasCorrection[i] = corrections[i]->GetTriggerBiasCorrectionINEL();
1152
1153
1154 hTriggerEffInv[i] = triggerBiasCorrection[i]->Get1DCorrection();
1155 hTriggerEff[i] = (TH1F*)hTriggerEffInv[i]->Clone();
1156
1157 for (Int_t b=0; b<=hTriggerEff[i]->GetNbinsX(); b++) {
1158 hTriggerEff[i]->SetBinContent(b,1);
1159 hTriggerEff[i]->SetBinError(b,0);
1160 }
1161 hTriggerEff[i]->Divide(hTriggerEff[i],hTriggerEffInv[i]);
1162 hTriggerEff[i]->Scale(100);
1163 }
1164
1165 Int_t colors[] = {2,3,4,1};
1166 Float_t effs[4];
1167 for (Int_t i=0; i<4; i++) {
1168 hTriggerEff[i]->Fit("pol0","","",-20,20);
1169 effs[i] = ((TF1*)hTriggerEff[i]->GetListOfFunctions()->At(0))->GetParameter(0);
1170 ((TF1*)hTriggerEff[i]->GetListOfFunctions()->At(0))->SetLineWidth(1);
1171 ((TF1*)hTriggerEff[i]->GetListOfFunctions()->At(0))->SetLineStyle(2);
1172 ((TF1*)hTriggerEff[i]->GetListOfFunctions()->At(0))->SetLineColor(colors[i]);
1173 cout << effs[i] << endl;
1174 }
1175
1176
1177 Char_t* text[] = {"ND", "DD", "SD", "INEL"};
1178 TLatex* latex[4];
1179
1180 TH2F* null = new TH2F("","",100,-25,35,100,0,110);
1181 null->SetXTitle("Vertex z [cm]");
1182 null->GetXaxis()->CenterTitle(kTRUE);
1183 null->SetYTitle("Trigger efficiency [%]");
1184 null->GetYaxis()->CenterTitle(kTRUE);
1185 null->Draw();
1186
1187
1188 for (Int_t i=0; i<4; i++) {
1189 hTriggerEff[i]->SetLineWidth(2);
1190 hTriggerEff[i]->SetLineColor(colors[i]);
1191
1192 hTriggerEff[i]->Draw("same");
1193
1194 latex[i] = new TLatex(22,effs[i]-1.5, Form("%s (%0.1f)",text[i],effs[i]));
1195 latex[i]->SetTextColor(colors[i]);
1196 latex[i]->Draw();
1197 }
1198
1199}
1200
1201
1202DrawSpectraPID(Char_t* fileName) {
1203
1204 gSystem->Load("libPWG0base");
1205
1206 Char_t* names[] = {"correction_0", "correction_1", "correction_2", "correction_3"};
1207 AlidNdEtaCorrection* corrections[4];
1208 AliCorrectionMatrix3D* trackToPartCorrection[4];
1209
1210 TH1F* measuredPt[4];
1211 TH1F* generatedPt[4];
1212 TH1F* ratioPt[4];
1213
1214 for (Int_t i=0; i<4; i++) {
1215 corrections[i] = new AlidNdEtaCorrection(names[i], names[i]);
1216 corrections[i]->LoadHistograms(fileName, names[i]);
1217
1218 trackToPartCorrection[i] = corrections[i]->GetTrack2ParticleCorrection();
1219
1220 Int_t binX1 = (TH1F*)trackToPartCorrection[i]->GetMeasuredHistogram()->GetXaxis()->FindBin(-10);
1221 Int_t binX2 = (TH1F*)trackToPartCorrection[i]->GetMeasuredHistogram()->GetXaxis()->FindBin(10);
1222 Int_t binY1 = (TH1F*)trackToPartCorrection[i]->GetMeasuredHistogram()->GetYaxis()->FindBin(-1);
1223 Int_t binY2 = (TH1F*)trackToPartCorrection[i]->GetMeasuredHistogram()->GetYaxis()->FindBin(1);
1224
1225 measuredPt[i] = (TH1F*)trackToPartCorrection[i]->GetMeasuredHistogram()->ProjectionZ(Form("m_%d",i),binX1,binX2,binY1,binY2);
1226 generatedPt[i] = (TH1F*)trackToPartCorrection[i]->GetGeneratedHistogram()->ProjectionZ(Form("g_%d",i),binX1,binX2,binY1,binY2);
1227 ratioPt[i] = (TH1F*)generatedPt[i]->Clone(Form("r_%d",i));
1228 ratioPt[i]->Divide(measuredPt[i], generatedPt[i], 1,1,"B");
1229 }
1230
1231 ratioPt[0]->Draw();
1232
1233 for (Int_t i=0; i<3; i++) {
1234 ratioPt[i]->SetLineColor(i+1);
1235 ratioPt[i]->SetLineWidth(2);
1236
1237 ratioPt[i]->Draw("same");
1238
1239 }
1240
1241 return;
1242 measuredPt[0]->SetLineColor(2);
1243 measuredPt[0]->SetLineWidth(5);
1244
1245 measuredPt[0]->Draw();
1246 generatedPt[0]->Draw("same");
1247}
da7acf97 1248
1249void changePtSpectrum()
1250{
1251 TFile* file = TFile::Open("pt.root");
1252 TH1F* hist = dynamic_cast<TH1F*> (file->Get("dndeta_check_pt"));
1253
1254 hist->Rebin(3);
1255 hist->Scale(1.0/3);
1256
1257 TH1F* clone1 = dynamic_cast<TH1F*> (hist->Clone("clone1"));
1258 TH1F* clone2 = dynamic_cast<TH1F*> (hist->Clone("clone2"));
1259
1260 TH1F* scale1 = dynamic_cast<TH1F*> (hist->Clone("scale1"));
1261 TH1F* scale2 = dynamic_cast<TH1F*> (hist->Clone("scale2"));
1262
1263 Float_t ptCutOff = 0.3;
1264
1265 for (Int_t i=1; i <= hist->GetNbinsX(); ++i)
1266 {
1267 if (hist->GetBinCenter(i) > ptCutOff)
1268 {
1269 scale1->SetBinContent(i, 1);
1270 scale2->SetBinContent(i, 1);
1271 }
1272 else
1273 {
1274 // 90 % at pt = 0, 0% at pt = ptcutoff
1275 scale1->SetBinContent(i, 1 - (ptCutOff - hist->GetBinCenter(i)) / ptCutOff * 0.3);
1276
1277 // 110% at pt = 0, ...
1278 scale2->SetBinContent(i, 1 + (ptCutOff - hist->GetBinCenter(i)) / ptCutOff * 0.3);
1279 }
1280 }
1281
1282 new TCanvas;
1283 scale1->Draw();
1284 scale2->SetLineColor(kRed);
1285 scale2->Draw("SAME");
1286
1287 clone1->Multiply(scale1);
1288 clone2->Multiply(scale2);
1289
1290 Prepare1DPlot(hist);
1291 Prepare1DPlot(clone1);
1292 Prepare1DPlot(clone2);
1293
1294 hist->SetTitle(";p_{T} in GeV/c;dN/dp_{T} in c/GeV");
1295 hist->GetXaxis()->SetRangeUser(0, 0.7);
1296 hist->GetYaxis()->SetRangeUser(0, clone2->GetMaximum() * 1.1);
1297 hist->GetYaxis()->SetTitleOffset(1);
1298
1299 TCanvas* canvas = new TCanvas;
1300 hist->Draw();
1301 clone1->SetLineColor(kRed);
1302 clone1->Draw("SAME");
1303 clone2->SetLineColor(kBlue);
1304 clone2->Draw("SAME");
1305
1306 Float_t fraction = hist->Integral(hist->GetXaxis()->FindBin(ptCutOff), hist->GetNbinsX()) / hist->Integral(1, hist->GetNbinsX());
1307 Float_t fraction1 = clone1->Integral(clone1->GetXaxis()->FindBin(ptCutOff), clone1->GetNbinsX()) / clone1->Integral(1, clone1->GetNbinsX());
1308 Float_t fraction2 = clone2->Integral(clone2->GetXaxis()->FindBin(ptCutOff), clone2->GetNbinsX()) / clone2->Integral(1, clone2->GetNbinsX());
1309
1310 printf("%f %f %f\n", fraction, fraction1, fraction2);
1311 printf("Rel. %f %f\n", fraction1 / fraction, fraction2 / fraction);
1312
1313 canvas->SaveAs("changePtSpectrum.gif");
1314}
fb30f6e3 1315
1316void FractionBelowPt()
1317{
1318 gSystem->Load("libPWG0base");
1319
1320 AlidNdEtaCorrection* fdNdEtaCorrection[4];
1321
1322 TFile::Open("systematics.root");
1323
1324 for (Int_t i=0; i<4; ++i)
1325 {
1326 TString name;
1327 name.Form("correction_%d", i);
1328 fdNdEtaCorrection[i] = new AlidNdEtaCorrection(name, name);
1329 fdNdEtaCorrection[i]->LoadHistograms("systematics.root", name);
1330 }
1331
1332 Double_t geneCount[5];
1333 Double_t measCount[5];
1334 geneCount[4] = 0;
1335 measCount[4] = 0;
1336
1337 for (Int_t i=0; i<4; ++i)
1338 {
1339 TH3F* hist = (TH3F*) fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetGeneratedHistogram();
1340 geneCount[i] = hist->Integral(hist->GetXaxis()->FindBin(-10), hist->GetXaxis()->FindBin(10),
1341 hist->GetYaxis()->FindBin(-0.8), hist->GetYaxis()->FindBin(0.8),
1342 1, hist->GetZaxis()->FindBin(0.3));
1343
1344 hist = (TH3F*) fdNdEtaCorrection[i]->GetTrack2ParticleCorrection()->GetMeasuredHistogram();
1345 measCount[i] = hist->Integral(hist->GetXaxis()->FindBin(-10), hist->GetXaxis()->FindBin(10), hist->GetYaxis()->FindBin(-0.8), hist->GetYaxis()->FindBin(0.8), 1, hist->GetZaxis()->FindBin(0.3));
1346
1347 geneCount[4] += geneCount[i];
1348 measCount[4] += measCount[i];
1349
1350 printf("Particle %s: %d gene, %d meas\n", ((i == 0) ? "pi" : (i == 1) ? "K" : (i == 2) ? "p" : "others"), (Int_t) geneCount[i], (Int_t) measCount[i]);
1351 }
1352
1353 printf("Generated ratios are: %f pi, %f K, %f p, %f others\n", geneCount[0] / geneCount[4], geneCount[1] / geneCount[4], geneCount[2] / geneCount[4], geneCount[3] / geneCount[4]);
1354
1355 printf("Reconstructed ratios are: %f pi, %f K, %f p, %f others\n", measCount[0] / measCount[4], measCount[1] / measCount[4], measCount[2] / measCount[4], measCount[3] / measCount[4]);
7f0efb86 1356}