2 Int_t markers[] = {20,21,22,23,28,29};
3 Int_t colors[] = {1,2,3,4,6,8,102};
7 gSystem->Load("libTree");
8 gSystem->Load("libVMC");
10 gSystem->Load("libSTEERBase");
11 gSystem->Load("libANALYSIS");
12 gSystem->Load("libPWG0base");
20 gPad->Range(0, 0, 1, 1);
21 gPad->SetLeftMargin(0.15);
22 //gPad->SetRightMargin(0.05);
23 //gPad->SetTopMargin(0.13);
24 //gPad->SetBottomMargin(0.1);
30 void DrawpiKpAndCombinedZOnly(Float_t upperPtLimit=0.99)
32 //gROOT->ProcessLine(".L drawPlots.C");
33 gSystem->Load("libPWG0base");
35 const char* fileNames[] = { "systematics.root", "systematics.root", "systematics.root", "correction_map.root" };
36 const char* folderNames[] = { "correction_0", "correction_1", "correction_2", "dndeta_correction" };
37 const char* legendNames[] = { "#pi", "K", "p", "standard" };
38 Int_t folderCount = 3;
40 TH2F* h2DCorrections[4];
41 TH1F* h1DCorrections[4];
42 for (Int_t i=0; i<4; i++) {
43 TFile::Open(fileNames[i]);
44 AlidNdEtaCorrection* correctionTmp = new AlidNdEtaCorrection(folderNames[i],folderNames[i]);
45 correctionTmp->LoadHistograms();
47 // h2DCorrections[i] = correctionTmp->GetTrack2ParticleCorrection()->GetTrackCorrection()->Get2DCorrectionHistogram("yz",-1,1);
49 h1DCorrections[i] = correctionTmp->GetTrack2ParticleCorrection()->GetTrackCorrection()->Get1DCorrectionHistogram("z",-10,10,0.8,0.8);
52 TH2F* null = new TH2F("","",100,0.1,10,100,0.5,9.99);
53 null->SetXTitle("p_{T} (GeV/c)");
54 null->SetXTitle("Correction");
58 //h1DCorrections[0]->SetMaximum(5);
59 //h1DCorrections[0]->Draw();
60 // h2DCorrections[0]->Draw("colz");
61 for (Int_t i=1; i<4; i++) {
62 h1DCorrections[i]->Draw("same");
67 TPad* DrawChange(Bool_t spd, const char* basename, const char** changes, Int_t nChanges, Int_t nDraw, Int_t* colors, const char** names = 0, Float_t scale = 0.10)
69 Float_t etaMax = 1.05;
74 for(Int_t i=0; i<nChanges; i++) {
76 hRatios[i] = (TH1F*)gFile->Get(Form("%s%s",basename,changes[i]));
77 hRatios[i]->SetLineWidth(1);
78 hRatios[i]->SetMarkerStyle(22);
79 hRatios[i]->SetMarkerSize(0.8);
81 Float_t average = hRatios[i]->Integral(hRatios[i]->FindBin(-1), hRatios[i]->FindBin(1)) / (hRatios[i]->FindBin(1) - hRatios[i]->FindBin(-1) + 1);
82 Printf("%s %s: %.2f %%" , changes[i], hRatios[i]->GetTitle(), (average - 1) * 100);
85 TPad* p = DrawCanvasAndPad("syst_changeInXsection",700,400);
86 p->SetRightMargin(0.2);
87 p->SetLeftMargin(0.13);
89 TH2F* null = new TH2F("","",100,-etaMax, etaMax,100,1. - scale,1. + scale);
90 null->GetXaxis()->SetTitle("#eta");
91 null->GetYaxis()->SetTitle(hRatios[0]->GetYaxis()->GetTitle());
94 line = new TLine(-etaMax, 1, etaMax, 1);
99 for(Int_t i=1; i<nDraw; i++) {
100 hRatios[i]->SetLineColor(colors[i]);
101 hRatios[i]->SetMarkerColor(colors[i]);
102 hRatios[i]->Draw("HISTPL SAME");
104 TString str(hRatios[i]->GetTitle());
109 text[i] = new TLatex(etaMax + 0.03,hRatios[i]->GetBinContent(hRatios[i]->FindBin(etaMax-0.1))-0.002,str.Data());
110 text[i]->SetTextAlign(11);
111 text[i]->SetTextColor(colors[i]);
118 TPad* DrawChangeRatios(Bool_t spd, TFile* file1, TFile* file2, const char* basename, const char** changes, Int_t nChanges, Int_t nDraw, Int_t* colors, const char** names = 0, Float_t scale = 0.10)
120 Float_t etaMax = 1.05;
125 for(Int_t i=0; i<nChanges; i++) {
126 hRatios[i] = (TH1F*)file1->Get(Form("%s%s",basename,changes[i]));
127 hRatios[i]->SetLineWidth(1);
128 hRatios[i]->SetMarkerStyle(22);
129 hRatios[i]->SetMarkerSize(0.8);
131 hRatio2 = (TH1F*)file2->Get(Form("%s%s",basename,changes[i]));
132 hRatios[i]->Divide(hRatio2);
134 Float_t average = hRatios[i]->Integral(hRatios[i]->FindBin(-1), hRatios[i]->FindBin(1)) / (hRatios[i]->FindBin(1) - hRatios[i]->FindBin(-1) + 1);
135 Printf("%s: %.2f %%" , hRatios[i]->GetTitle(), (average - 1) * 100);
138 TPad* p = DrawCanvasAndPad("syst_changeInXsection",700,400);
139 p->SetRightMargin(0.2);
140 p->SetLeftMargin(0.13);
142 TH2F* null = new TH2F("","",100,-etaMax, etaMax,100,1. - scale,1. + scale);
143 null->GetXaxis()->SetTitle("#eta");
144 null->GetYaxis()->SetTitle(hRatios[0]->GetYaxis()->GetTitle());
147 line = new TLine(-etaMax, 1, etaMax, 1);
152 for(Int_t i=1; i<nDraw; i++) {
153 hRatios[i]->SetLineColor(colors[i]);
154 hRatios[i]->SetMarkerColor(colors[i]);
155 hRatios[i]->Draw("HISTPL SAME");
157 TString str(hRatios[i]->GetTitle());
162 text[i] = new TLatex(etaMax + 0.03,hRatios[i]->GetBinContent(hRatios[i]->FindBin(etaMax-0.1))-0.002,str.Data());
163 text[i]->SetTextAlign(11);
164 text[i]->SetTextColor(colors[i]);
171 void DrawEffectOfChangeInCrossSection(Bool_t spd = kFALSE, const char* fileName = "systematics_vtxtrigger_compositions.root")
173 TFile::Open(fileName);
175 // const Char_t* changes[] = {"pythia","ddmore","ddless","sdmore","sdless", "dmore", "dless", "sdmoreddless", "sdlessddmore", "ddmore25","ddless25","sdmore25","sdless25", "dmore25", "dless25", "sdmoreddless25", "sdlessddmore25" };
176 const Char_t* changes[] = { "default","ddmore","ddless","sdmore","sdless", "dmore", "dless", "sdlessddmore", "sdmoreddless" };
177 //const Char_t* changes[] = { "pythia", "qgsm", "phojet" };
178 //const Int_t nChanges = 3;
179 Int_t colors[] = {1,1,4,1,2,2,4,2,1};
181 c = DrawChange(spd, "ratio_vertexReco_triggerBias_", changes, 9, 9, colors, 0);
182 c->SaveAs("cross_sections.eps");
185 void DrawEffectOfChangeInCrossSection2Files(Bool_t spd = kFALSE, const char* fileName1 = "systematics_vtxtrigger_compositions.root", const char* fileName2)
187 file1 = TFile::Open(fileName1);
188 file2 = TFile::Open(fileName2);
190 const Char_t* changes[] = {"pythia","ddmore","ddless","sdmore","sdless", "dmore", "dless", "sdmoreddless", "sdlessddmore", "ddmore25","ddless25","sdmore25","sdless25", "dmore25", "dless25", "sdmoreddless25", "sdlessddmore25" };
191 //const Char_t* changes[] = { "pythia", "qgsm", "phojet" };
192 //const Int_t nChanges = 3;
193 Int_t colors[] = {1,1,4,1,2,2,4,2,1};
195 c = DrawChangeRatios(spd, file1, file2, "ratio_vertexReco_triggerBias_", changes, 17, 9, colors, 0);
196 c->SaveAs("cross_sections.eps");
199 void DrawEffectOfChangeInComposition(Bool_t spd = kFALSE, const char* fileName = "new_compositions_analysis.root")
201 TFile::Open(fileName);
203 const Char_t* changes[] = { "KBoosted", "KReduced", "pBoosted", "pReduced", "KBoostedpBoosted", "KReducedpReduced", "KBoostedpReduced", "KReducedpBoosted", "othersBoosted", "othersReduced" };
204 const char* names[] = { "K #times 1.3", "K #times 0.7", "p #times 1.3", "p #times 0.7", "K #times 1.3, p #times 1.3", "K #times 0.7, p #times 0.7", "K #times 1.3, p #times 0.7", "K #times 0.7, p #times 1.3", "O #times 1.3", "O #times 0.7" };
205 //const Char_t* changes[] = { "PythiaRatios", "PiBoosted", "PiReduced", "KBoosted", "KReduced", "pBoosted", "pReduced", "othersBoosted", "othersReduced" };
206 //const char* names[] = { "", "#pi #times 1.5", "#pi #times 0.5", "K #times 1.5", "K #times 0.5", "p #times 1.5", "p #times 0.5", "others #times 1.5", "others #times 0.5" };
207 Int_t colors[] = {1,1,2,2,1,2,1,4,4,1,1};
209 c = DrawChange(spd, "", changes, 10, 10, colors, names, 0.03);
210 //c->SaveAs("compositions.eps");
213 TPad* DrawCanvasAndPad(const Char_t* name, Int_t sizeX=600, Int_t sizeY=500) {
215 gStyle->SetOptStat(0);
216 gStyle->SetOptTitle(0);
217 gStyle->SetOptFit(0);
219 gStyle->SetTextSize(0.04);
220 gStyle->SetTitleSize(0.05,"xyz");
221 //gStyle->SetTitleFont(133, "xyz");
222 //gStyle->SetLabelFont(133, "xyz");
223 //gStyle->SetLabelSize(17, "xyz");
224 gStyle->SetLabelOffset(0.01, "xyz");
226 gStyle->SetTitleOffset(1.1, "y");
227 gStyle->SetTitleOffset(1.1, "x");
228 gStyle->SetEndErrorSize(0.0);
230 //##############################################
232 //making canvas and pads
233 TCanvas *c = new TCanvas(name,name,sizeX,sizeY);
235 TPad* p1 = new TPad("pad1","", 0, 0.0, 1.0, 1.0, 0, 0, 0);
237 p1->SetBottomMargin(0.15);
238 p1->SetTopMargin(0.03);
239 p1->SetLeftMargin(0.15);
240 p1->SetRightMargin(0.03);
251 void MisalignmentShowRawTrackPlots(const char* dirName = "fdNdEtaAnalysisESD")
255 TFile* file = TFile::Open("fullA-simrec/MB2/analysis_esd_raw.root");
256 dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis(dirName, dirName);
257 fdNdEtaAnalysis->LoadHistograms();
259 TFile* file2 = TFile::Open("fullA-sim/analysis_esd_raw.root");
260 dNdEtaAnalysis* fdNdEtaAnalysis2 = new dNdEtaAnalysis(dirName, dirName);
261 fdNdEtaAnalysis2->LoadHistograms();
263 TH3* track1 = fdNdEtaAnalysis->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track1");
264 TH3* track2 = fdNdEtaAnalysis2->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track2");
266 // normalize to number of events;
267 TH2* event1 = fdNdEtaAnalysis->GetData()->GetEventCorrection()->GetMeasuredHistogram();
268 TH2* event2 = fdNdEtaAnalysis2->GetData()->GetEventCorrection()->GetMeasuredHistogram();
269 Int_t event1Count = event1->Integral();
270 Int_t event2Count = event2->Integral();
271 track1->Scale(1.0 / event1Count);
272 track2->Scale(1.0 / event2Count);
274 const Float_t innerLimit = 0.49;
275 const Float_t outerLimit = 0.99;
277 track1->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
278 track2->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
279 AliPWG0Helper::CreateDividedProjections(track1, track2, "ze1");
280 TH1* fullRange = gROOT->FindObject("track1_ze1_div_track2_ze1");
282 track1->GetYaxis()->SetRangeUser(-innerLimit, innerLimit);
283 track2->GetYaxis()->SetRangeUser(-innerLimit, innerLimit);
284 AliPWG0Helper::CreateDividedProjections(track1, track2, "ze2");
285 TH1* central = gROOT->FindObject("track1_ze2_div_track2_ze2");
286 central->SetLineColor(1);
287 central->SetMarkerStyle(21);
289 for (Int_t x=1; x<track1->GetXaxis()->GetNbins(); ++x)
290 for (Int_t y=track1->GetYaxis()->FindBin(-innerLimit); y<track1->GetYaxis()->FindBin(innerLimit); ++y)
291 for (Int_t z=1; z<track1->GetZaxis()->GetNbins(); ++z)
293 track1->SetBinContent(x, y, z, 0);
294 track1->SetBinError(x, y, z, 0);
295 track2->SetBinContent(x, y, z, 0);
296 track2->SetBinError(x, y, z, 0);
299 track1->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
300 track2->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
301 AliPWG0Helper::CreateDividedProjections(track1, track2, "ze3");
302 TH1* peripheral = gROOT->FindObject("track1_ze3_div_track2_ze3");
303 peripheral->SetLineColor(2);
304 peripheral->SetMarkerStyle(22);
305 peripheral->SetMarkerColor(2);
307 TH2* tmp = new TH2F("tmp", ";p_{T} [GeV/c] ;#frac{tracks full misalignment during rec.}{tracks ideal misalignment during rec.}", 1, 0.1, 10, 1, 0.9, 1.3);
309 tmp->SetStats(kFALSE);
310 //tmp->GetXaxis()->SetNoExponent();
312 Float_t ptStart = 0.1;
314 fullRange->GetXaxis()->SetRangeUser(ptStart, 9.9);
315 central->GetXaxis()->SetRangeUser(ptStart, 9.9);
316 peripheral->GetXaxis()->SetRangeUser(ptStart, 9.9);
318 TCanvas* canvas = new TCanvas("MisalignmentShowRawTrackPlots", "MisalignmentShowRawTrackPlots", 700, 400);
323 TLegend* legend = new TLegend(0.2, 0.7, 0.4, 0.8);
325 legend->AddEntry(central, "|#eta| < 0.5");
326 legend->AddEntry(peripheral, "0.5 < |#eta| < 1.0");
328 legend->SetFillColor(0);
331 //fullRange->Draw("SAME");
332 central->Draw("SAME");
333 peripheral->Draw("SAME");
337 canvas->SaveAs("syst_mis_ntracks.eps");
341 void drawdNdEtaRatios(const char* canvasName, Int_t n, const char** files, const char** dirs, const char** names, Int_t* histID)
344 gROOT->ProcessLine(".L $ALICE_ROOT/PWG0/dNdEta/drawPlots.C");
346 TCanvas* canvas = new TCanvas(canvasName, canvasName, 1000, 500);
347 canvas->Divide(2, 1);
348 canvas->cd(2)->SetGridx();
349 canvas->cd(2)->SetGridy();
351 TLegend* legend = new TLegend(0.63, 0.73, 0.98, 0.98);
352 legend->SetFillColor(0);
356 for (Int_t i = 0; i < n; ++i)
358 TFile::Open(files[i]);
360 dNdEtaAnalysis* tmp = new dNdEtaAnalysis(dirs[i], dirs[i]);
361 tmp->LoadHistograms();
363 TH1* hist = tmp->GetdNdEtaPtCutOffCorrectedHistogram(histID[i]);
368 legend->AddEntry(hist, names[i]);
370 hist->SetMarkerColor(colors[i]);
371 hist->SetMarkerStyle(markers[i]);
374 hist->DrawCopy((i == 0) ? "" : "SAME");
378 PrintIntegratedDeviation(hist, base, names[i]);
381 hist->Divide(hist, base, 1, 1);
382 hist->GetYaxis()->SetRangeUser(0.9, 1.1);
383 hist->DrawCopy((i == 1) ? "" : "SAME");
389 canvas->SaveAs(Form("%s.eps", canvas->GetName()));
392 void drawdNdEtaRatios(const char* canvasName, Int_t n, const char** files1, const char** files2, const char** dirs1, const char** dirs2, const char** names, Int_t* histID)
394 gSystem->Load("libPWG0base");
396 TCanvas* canvas = new TCanvas(canvasName, canvasName, 700, 400);
397 canvas->SetLeftMargin(0.12);
399 TLegend* legend = new TLegend(0.35, 0.7, 0.65, 0.85);
400 legend->SetFillColor(0);
402 for (Int_t i = 0; i < n; ++i)
404 TFile::Open(files1[i]);
406 dNdEtaAnalysis* tmp1 = new dNdEtaAnalysis(dirs1[i], dirs1[i]);
407 tmp1->LoadHistograms();
409 TFile::Open(files2[i]);
411 dNdEtaAnalysis* tmp2 = new dNdEtaAnalysis(dirs2[i], dirs2[i]);
412 tmp2->LoadHistograms();
414 TH1* hist1 = tmp1->GetdNdEtaPtCutOffCorrectedHistogram(histID[i]);
415 TH1* hist2 = tmp2->GetdNdEtaPtCutOffCorrectedHistogram(histID[i]);
417 TH1* division = hist1->Clone();
419 division->Divide(hist1, hist2, 1, 1, "B");
421 division->SetMarkerColor(colors[i]);
422 division->SetMarkerStyle(markers[i]);
424 legend->AddEntry(division, names[i]);
426 division->SetTitle("");
427 division->GetYaxis()->SetTitle("#frac{dN_{ch}/d#eta using MC vtx}{dN_{ch}/d#eta using ESD vtx}");
428 division->SetStats(kFALSE);
429 division->GetYaxis()->SetTitleOffset(1.3);
430 division->GetXaxis()->SetRangeUser(-0.99, 0.99);
431 division->GetYaxis()->SetRangeUser(0.981, 1.02);
432 division->DrawCopy((i == 0) ? "" : "SAME");
440 canvas->SaveAs(Form("%s.eps", canvas->GetName()));
443 void MaterialBudgetChange()
445 const char* files[] =
446 { "Material-normal-mcvtx/analysis_esd.root",
447 "Material-increased-mcvtx/analysis_esd.root",
448 "Material-decreased-mcvtx/analysis_esd.root" };
450 const char* dirs[] = { "dndeta", "dndeta", "dndeta"};
451 const char* names[] = { "no change", "+ 10 % material", "- 10 % material" };
452 Int_t hist[] = { 0, 0, 0 };
454 drawdNdEtaRatios("MaterialBudgetChange", 3, files, dirs, names, hist);
457 void MisalignmentChange()
459 const char* files[] =
460 { "maps/v4-09-Release/tpc-only/fullC-simrec--fullA-sim-mcvtx/analysis_esd.root",
461 "maps/v4-09-Release/tpc-only/fullC-simrec--fullA-simrec-mcvtx/analysis_esd.root" };
463 const char* dirs[] = { "dndeta", "dndeta", "dndeta"};
464 const char* names[] = { "no change", "increased in sim/rec", "increased in sim" };
465 Int_t hist[] = { 0, 0, 0 };
467 drawdNdEtaRatios("MisalignmentChange", 2, files, dirs, names, hist);
470 void dNdEtaVertexRanges()
472 const char* files[] =
473 { "analysis_esd.root",
475 "analysis_esd.root" };
477 const char* dirs[] = { "dndeta", "dndeta", "dndeta"};
478 const char* names[] = { "|vtx-z| < 10 cm", "-10 cm < vtx-z < 0 cm", "0 cm < vtx-z < 10 cm" };
479 Int_t hist[] = { 0, 1, 2 };
481 drawdNdEtaRatios("dNdEtaVertexRanges", 3, files, dirs, names, hist);
484 void vertexShiftStudy(Int_t histID)
486 const char* files[] = { "maps/idealA/mc-vertex/analysis_esd.root", "results/idealC-idealA/analysis_esd.root", "maps/idealA/mc-vertex-shift-0.05/analysis_esd.root", "maps/idealA/mc-vertex-shift-0.1/analysis_esd.root", "maps/idealA/mc-vertex-shift-dep/analysis_esd.root" };
487 const char* dirs[] = { "dndeta", "dndeta", "dndeta", "dndeta", "dndeta" };
488 const char* names[] = { "mc vtx", "esd vtx", "+ 0.05 cm", "+ 0.1 cm", "old vtx shift" };
489 Int_t hist[] = { histID, histID, histID, histID, histID };
491 drawdNdEtaRatios("syst_vertex_shift1", 5, files, dirs, names, hist);
493 const char* files1[] = { "maps/idealA/mc-vertex/analysis_esd.root", "maps/idealA/mc-vertex/analysis_esd.root", "maps/idealA/mc-vertex/analysis_esd.root" };
494 const char* files2[] = { "results/idealC-idealA/analysis_esd.root", "results/idealC-idealA/analysis_esd.root", "results/idealC-idealA/analysis_esd.root" };
495 const char* dirs1[] = { "dndeta", "dndeta", "dndeta"};
496 const char* names[] = { "|vtx-z| < 10 cm", "-10 cm < vtx-z < 0 cm", "0 cm < vtx-z < 10 cm" };
497 Int_t hist[] = { 0, 1, 2 };
499 drawdNdEtaRatios("syst_vertex_shift2", 3, files1, files2, dirs, dirs, names, hist);
504 TFile::Open("vertex.root");
506 TH2* hist = gFile->Get("fVertexCorr");
507 TProfile* prof = hist->ProfileX();
509 prof->SetStats(kFALSE);
510 prof->SetTitle(";MC vtx-z [cm];mean (ESD vtx-z - MC vtx-z) [cm]");
511 prof->GetYaxis()->SetTitleOffset(1.2);
513 prof->SetLineWidth(2);
515 TCanvas* canvas = new TCanvas("syst_vertex_shift", "syst_vertex_shift", 700, 400);
522 canvas->SaveAs(Form("%s.eps", canvas->GetName()));
525 void CompareRawTrackPlots(const char* fileName1, const char* fileName2, Float_t ptCut = 0.0, Int_t multCut = 1)
529 const char* dirName = "fdNdEtaAnalysisESD";
531 TFile* file = TFile::Open(fileName1);
532 dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis(dirName, dirName);
533 fdNdEtaAnalysis->LoadHistograms();
535 TFile* file2 = TFile::Open(fileName2);
536 dNdEtaAnalysis* fdNdEtaAnalysis2 = new dNdEtaAnalysis(dirName, dirName);
537 fdNdEtaAnalysis2->LoadHistograms();
539 TH3* track1 = fdNdEtaAnalysis->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track1");
540 TH3* track2 = fdNdEtaAnalysis2->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track2");
542 TH2* event1 = fdNdEtaAnalysis->GetData()->GetEventCorrection()->GetMeasuredHistogram();
543 TH2* event2 = fdNdEtaAnalysis2->GetData()->GetEventCorrection()->GetMeasuredHistogram();
544 Int_t event1Count = event1->Integral(event1->GetXaxis()->FindBin(-9.9), event1->GetXaxis()->FindBin(9.9), multCut, event1->GetNbinsY() + 1);
545 Int_t event2Count = event2->Integral(event2->GetXaxis()->FindBin(-9.9), event2->GetXaxis()->FindBin(9.9), multCut, event1->GetNbinsY() + 1);
547 Float_t nTrack1 = track1->Integral(track1->GetXaxis()->FindBin(-9.9), track1->GetXaxis()->FindBin(9.9), track1->GetYaxis()->FindBin(-0.79), track1->GetYaxis()->FindBin(0.79), track1->GetZaxis()->FindBin(ptCut), track1->GetZaxis()->GetNbins());
548 Float_t nTrack2 = track2->Integral(track2->GetXaxis()->FindBin(-9.9), track2->GetXaxis()->FindBin(9.9), track2->GetYaxis()->FindBin(-0.79), track2->GetYaxis()->FindBin(0.79), track2->GetZaxis()->FindBin(ptCut), track2->GetZaxis()->GetNbins());
550 Printf("%d tracks in %d events in first sample; %d tracks in %d events in second sample", (Int_t) nTrack1, event1Count, (Int_t) nTrack2, event2Count);
552 // normalize to number of events;
553 nTrack1 /= event1Count;
554 nTrack2 /= event2Count;
556 Printf("There are %.2f tracks/event in the first sample and %.2f tracks/event in the second sample. %.2f %% difference (with pt cut at %.2f GeV/c)", nTrack1, nTrack2, 100.0 * (nTrack1 - nTrack2) / nTrack1, ptCut);
560 AliPWG0Helper::CreateDividedProjections(track1, track2);
562 new TCanvas; gROOT->FindObject("track1_yx_div_track2_yx")->Draw("COLZ");
563 new TCanvas; gROOT->FindObject("track1_zx_div_track2_zx")->Draw("COLZ");
564 new TCanvas; gROOT->FindObject("track1_zy_div_track2_zy")->Draw("COLZ");
566 for (Int_t i=0; i<3; i++)
568 char c = 'x' + (char) i;
570 /*proj1 = track1->Project3D(Form("%ce2", c));
571 proj2 = track2->Project3D(Form("%ce2", c));
572 AliPWG0Helper::NormalizeToBinWidth(proj1);
573 AliPWG0Helper::NormalizeToBinWidth(proj2);
577 proj2->SetLineColor(2);
578 proj2->SetMarkerColor(2);
579 proj2->DrawCopy("SAME");*/
581 AliPWG0Helper::CreateDividedProjections(track1, track2, Form("%ce2", c));
582 TH1* pt = gROOT->FindObject(Form("track1_%ce2_div_track2_%ce2", c, c));
583 new TCanvas; pt->DrawCopy();
584 gPad->SetGridx(); gPad->SetGridy();
587 event1_x = event1->ProjectionX("event1_x");
588 event1_y = event1->ProjectionY("event1_y");
589 event2_x = event2->ProjectionX("event2_x");
590 event2_y = event2->ProjectionY("event2_y");
592 new TCanvas; event1_x->DrawCopy(); event2_x->SetLineColor(2); event2_x->DrawCopy("SAME");
594 event1_x->Divide(event2_x);
595 event1_y->Divide(event2_y);
597 new TCanvas; event1_x->DrawCopy();
598 new TCanvas; event1_y->DrawCopy();
600 event1->Divide(event2);
602 event1->Draw("COLZ");
603 event1->SetMinimum(0.5);
604 event1->SetMaximum(2);
609 void MagnitudeOfCorrection(const char* fileName, const char* dirName = "dndeta", Float_t ptCut = 0.3)
613 TFile* file = TFile::Open(fileName);
614 dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis(dirName, dirName);
615 fdNdEtaAnalysis->LoadHistograms();
616 fdNdEtaAnalysis->GetData()->PrintInfo(ptCut);
619 Double_t ConvSigma1To2D(Double_t sigma)
621 return TMath::Sqrt( - TMath::Log( 1 - TMath::Erf(sigma / TMath::Sqrt(2)) ) * 2);
624 Double_t ConvDistance1DTo2D(Double_t distance)
626 return TMath::ErfInverse(1 - TMath::Exp(-distance * distance / 2)) * TMath::Sqrt(2);
629 Double_t Sigma2VertexCount(TH2F* tracks, Double_t nSigma)
633 //nSigma = ConvSigma1To2D(nSigma);
635 for (Int_t x=1; x<=tracks->GetNbinsX(); ++x)
636 for (Int_t y=1; y<=tracks->GetNbinsY(); ++y)
638 Double_t impactX = tracks->GetXaxis()->GetBinCenter(x);
639 Double_t impactY = tracks->GetYaxis()->GetBinCenter(y);
641 Float_t d = TMath::Sqrt(impactX*impactX + impactY*impactY);
643 d = ConvDistance1DTo2D(d);
646 count += tracks->GetBinContent(x, y);
652 TH2F* Sigma2VertexGaussianTracksHist()
654 TH2F* tracks = new TH2F("Sigma2Vertex_tracks", "Sigma2Vertex_tracks", 200, -5, 5, 200, -5, 5);
656 TF2* gaussian2D = new TF2("gaussian2D", "xgausn(0) * ygausn(3)", -5, 5, -5, 5);
657 gaussian2D->SetParameters(1, 0, 1, 1, 0, 1);
659 for (Int_t x=1; x<=tracks->GetNbinsX(); ++x)
660 for (Int_t y=1; y<=tracks->GetNbinsY(); ++y)
661 tracks->SetBinContent(x, y, gaussian2D->Eval(tracks->GetXaxis()->GetBinCenter(x), tracks->GetYaxis()->GetBinCenter(y)));
664 tracks->Scale(1.0 / tracks->Integral());
669 TH1F* Sigma2VertexGaussian()
671 TH2F* tracks = Sigma2VertexGaussianTracksHist();
673 TCanvas* canvas = new TCanvas("Sigma2VertexGaussian", "Sigma2VertexGaussian", 1000, 1000);
674 canvas->Divide(2, 2);
677 tracks->Draw("COLZ");
679 TH1F* ratio = new TH1F("Sigma2Vertex_ratio", "Sigma2Vertex_ratio;n sigma;included", 50, 0.05, 5.05);
680 for (Double_t nSigma = 0.1; nSigma < 5.05; nSigma += 0.1)
681 ratio->Fill(nSigma, Sigma2VertexCount(tracks, nSigma));
682 ratio->SetMarkerStyle(21);
685 ratio->DrawCopy("P");
687 TH1F* ratio2 = new TH1F("Sigma2Vertex_ratio2", "Sigma2Vertex_ratio2;nSigma;% included 4 sigma / % included n sigma", 50, 0.05, 5.05);
688 Double_t sigma3 = Sigma2VertexCount(tracks, 4);
689 for (Double_t nSigma = 0.1; nSigma < 5.05; nSigma += 0.1)
690 ratio2->Fill(nSigma, sigma3 / ratio->GetBinContent(ratio->FindBin(nSigma)));
691 ratio2->SetMarkerStyle(21);
694 ratio2->DrawCopy("P");
696 canvas->SaveAs("Sigma2Vertex.eps");
701 TH1F** Sigma2VertexSimulation(const char* fileName = "systematics.root")
703 TFile* file = TFile::Open(fileName);
705 TH1F* sigmavertex = dynamic_cast<TH1F*> (file->Get("fSigmaVertexTracks"));
706 TH1F* sigmavertexPrim = dynamic_cast<TH1F*> (file->Get("fSigmaVertexPrim"));
707 if (!sigmavertex || !sigmavertexPrim)
709 printf("Could not read histogram(s)\n");
714 TH1F* ratio = new TH1F("sigmavertexsimulation_ratio", "sigmavertexsimulation_ratio;N#sigma;% included in 4 #sigma / % included in N#sigma", sigmavertex->GetNbinsX(), sigmavertex->GetXaxis()->GetXmin(), sigmavertex->GetXaxis()->GetXmax());
716 // calculate contamination
717 TH1F* contamination = ratio->Clone("sigmavertexsimulation_contamination");
718 contamination->SetTitle("sigmavertexsimulation_contamination;N#sigma;1 + N_{secondaries} / N_{all}");
720 for (Int_t i=1; i<=sigmavertex->GetNbinsX(); ++i)
722 ratio->SetBinContent(i, sigmavertex->GetBinContent(sigmavertex->GetXaxis()->FindBin(4)) / sigmavertex->GetBinContent(i));
723 contamination->SetBinContent(i, 1 + (sigmavertex->GetBinContent(i) - sigmavertexPrim->GetBinContent(i)) / sigmavertex->GetBinContent(i));
727 for (Float_t sigma = 2.0; sigma < 5.25; sigma += 0.5)
729 Float_t error1 = 1 - ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma)) / ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma - 0.5));
730 Float_t error2 = -1 + ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma)) / ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma + 0.5));
731 Float_t cont = -1 + contamination->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma));
732 Printf("%.2f sigma --> syst. error = - %.2f %% + %.2f %%, cont. = %.2f %%", sigma, error1 * 100, error2 * 100, cont * 100);
735 TCanvas* canvas = new TCanvas("Sigma2VertexSimulation", "Sigma2VertexSimulation", 1000, 500);
736 canvas->Divide(2, 1);
739 sigmavertex->SetMarkerStyle(21);
740 sigmavertex->Draw("P");
743 ratio->SetMarkerStyle(21);
744 ratio->DrawCopy("P");
746 contamination->DrawCopy("SAME");
748 TH1F** returnContainer = new TH1F*[2];
749 returnContainer[0] = ratio;
750 returnContainer[1] = contamination;
752 return returnContainer;
755 void Sigma2VertexCompare(const char* fileName = "systematics.root")
757 TH1F* ratio1 = Sigma2VertexGaussian();
759 TH1F** hists = Sigma2VertexSimulation(fileName);
760 TH1F* ratio2 = hists[0];
761 TH1F* contamination = hists[1];
763 ratio1->SetStats(kFALSE);
764 ratio2->SetStats(kFALSE);
766 ratio1->SetMarkerStyle(0);
767 ratio2->SetMarkerStyle(0);
769 ratio1->SetLineWidth(2);
770 ratio2->SetLineWidth(2);
772 TLegend* legend = new TLegend(0.6, 0.8, 0.95, 0.95);
773 legend->SetFillColor(0);
774 legend->AddEntry(ratio1, "Gaussian");
775 legend->AddEntry(ratio2, "Simulation");
776 legend->AddEntry(contamination, "1 + Contamination");
778 ratio2->SetTitle("");
779 ratio2->GetYaxis()->SetTitleOffset(1.5);
780 ratio2->GetXaxis()->SetRangeUser(2, 5);
782 TCanvas* canvas = new TCanvas("Sigma2VertexCompare", "Sigma2VertexCompare", 500, 500);
785 ratio2->SetMarkerStyle(21);
786 ratio1->SetMarkerStyle(22);
788 ratio2->GetYaxis()->SetRangeUser(0.8, 1.2);
789 ratio2->SetLineColor(kRed);
790 ratio2->SetMarkerColor(kRed);
792 ratio1->Draw("SAMEPL");
794 contamination->Draw("SAME");
798 canvas->SaveAs("Sigma2VertexCompare.eps");