]> git.uio.no Git - u/mrichter/AliRoot.git/blame_incremental - PWG0/dNdEta/drawSystematicsNew.C
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
Fixed Coding Conventions for class AliACORDERawReader (Mario Sitta)
[u/mrichter/AliRoot.git] / PWG0 / dNdEta / drawSystematicsNew.C
... / ...
CommitLineData
1
2Int_t markers[] = {20,21,22,23,28,29};
3Int_t colors[] = {1,2,3,4,6,8,102};
4
5void loadlibs()
6{
7 gSystem->Load("libTree");
8 gSystem->Load("libVMC");
9
10 gSystem->Load("libSTEERBase");
11 gSystem->Load("libANALYSIS");
12 gSystem->Load("libPWG0base");
13}
14
15void InitPad()
16{
17 if (!gPad)
18 return;
19
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);
25
26 gPad->SetGridx();
27 gPad->SetGridy();
28}
29
30void DrawpiKpAndCombinedZOnly(Float_t upperPtLimit=0.99)
31{
32 //gROOT->ProcessLine(".L drawPlots.C");
33 gSystem->Load("libPWG0base");
34
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;
39
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();
46
47 // h2DCorrections[i] = correctionTmp->GetTrack2ParticleCorrection()->GetTrackCorrection()->Get2DCorrectionHistogram("yz",-1,1);
48
49 h1DCorrections[i] = correctionTmp->GetTrack2ParticleCorrection()->GetTrackCorrection()->Get1DCorrectionHistogram("z",-10,10,0.8,0.8);
50 }
51
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");
55
56 null->Draw();
57
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");
63 }
64
65}
66
67
68void DrawEffectOfChangeInCrossSection(const char* fileName) {
69
70 //get the data
71 TFile* fin = TFile::Open(fileName);
72
73 const Char_t* changes[] = {"pythia","ddmore","ddless","sdmore","sdless", "dmore", "dless", "sdmoreddless", "sdlessddmore" };
74 //const Char_t* changes[] = {"pythia","ddmore25","ddless25","sdmore25","sdless25", "dmore25", "dless25", "sdmoreddless25", "sdlessddmore25" };
75 Int_t colors[] = {1,1,kRed,kBlue,kGreen,kPink,1,kRed,kBlue};
76
77 TH1F* hRatios[9];
78 for(Int_t i=0; i<9; i++) {
79 hRatios[i] = (TH1F*)fin->Get(Form("ratio_vertexReco_triggerBias_%s",changes[i]));
80 hRatios[i]->SetLineWidth(2);
81 hRatios[i]->SetLineColor(colors[i]);
82 hRatios[i]->SetMarkerStyle(22);
83 hRatios[i]->SetMarkerSize(0.8);
84
85 Float_t average = hRatios[i]->Integral(hRatios[i]->FindBin(-1), hRatios[i]->FindBin(1)) / (hRatios[i]->FindBin(1) - hRatios[i]->FindBin(-1) + 1);
86 Printf("%s: %.2f %%" , hRatios[i]->GetTitle(), (average - 1) * 100);
87 }
88
89 TPad* p = DrawCanvasAndPad("syst_changeInXsection",700,400);
90 p->SetRightMargin(0.2);
91 p->SetLeftMargin(0.13);
92
93 TH2F* null = new TH2F("","",100,-1.05,1.05,100,0.9,1.1);
94 null->GetXaxis()->SetTitle("#eta");
95 null->GetYaxis()->SetTitle("Ratio pythia/modified cross-sections");
96 null->Draw();
97
98 TLatex* text[9];
99
100 for(Int_t i=1; i<9; i++) {
101 hRatios[i]->Draw("same");
102
103 TString str(hRatios[i]->GetTitle());
104 str.Remove(0,str.First("DD"));
105 str.Remove(str.First(")"),1);
106 text[i] = new TLatex(1.08,hRatios[i]->GetBinContent(hRatios[i]->FindBin(0.))-0.002,str.Data());
107 text[i]->SetTextColor(colors[i]);
108 text[i]->Draw();
109 }
110}
111
112
113void DrawEffectOfChangeInComposition() {
114
115 //get the data
116 TFile* fin = TFile::Open("systematics_composition.root");
117
118 Int_t colors[] = {1,2,103,102,4,6,1};
119
120 TH1F* hRatios[6];
121
122 Float_t etaRange = 0.899;
123
124 for (Int_t i=0; i<6; i++) {
125 hRatios[i] = (TH1F*)fin->Get(Form("ratio_%d",i));
126
127 hRatios[i]->SetLineWidth(2);
128 hRatios[i]->SetLineColor(colors[i]);
129 hRatios[i]->SetMarkerStyle(22);
130 hRatios[i]->SetMarkerSize(0.8);
131
132 hRatios[i]->GetXaxis()->SetRangeUser(-etaRange, etaRange);
133 }
134
135 TPad* p = DrawCanvasAndPad("syst_changeOfComposition",700,400);
136 p->SetRightMargin(0.2);
137 p->SetLeftMargin(0.13);
138
139 TH2F* null = new TH2F("","",100,-1.05,1.05,100,0.97,1.03);
140 null->GetXaxis()->SetTitle("#eta");
141 null->GetYaxis()->SetTitle("Ratio pythia/modified composition");
142 null->Draw();
143
144 TLatex* text[6];
145
146 for(Int_t i=0; i<6; i++) {
147 hRatios[i]->Draw("same");
148
149 TString str(hRatios[i]->GetTitle());
150 str.Remove(0,16);
151 text[i] = new TLatex(1.08,hRatios[i]->GetBinContent(hRatios[i]->FindBin(0))-0.002,str.Data());
152 text[i]->SetTextColor(colors[i]);
153 text[i]->SetTextSize(0.053);
154
155 text[i]->Draw();
156 }
157
158
159}
160
161TPad* DrawCanvasAndPad(const Char_t* name, Int_t sizeX=600, Int_t sizeY=500) {
162
163 gStyle->SetOptStat(0);
164 gStyle->SetOptTitle(0);
165 gStyle->SetOptFit(0);
166
167 gStyle->SetTextSize(0.04);
168 gStyle->SetTitleSize(0.05,"xyz");
169 //gStyle->SetTitleFont(133, "xyz");
170 //gStyle->SetLabelFont(133, "xyz");
171 //gStyle->SetLabelSize(17, "xyz");
172 gStyle->SetLabelOffset(0.01, "xyz");
173
174 gStyle->SetTitleOffset(1.1, "y");
175 gStyle->SetTitleOffset(1.1, "x");
176 gStyle->SetEndErrorSize(0.0);
177
178 //##############################################
179
180 //making canvas and pads
181 TCanvas *c = new TCanvas(name,name,sizeX,sizeY);
182
183 TPad* p1 = new TPad("pad1","", 0, 0.0, 1.0, 1.0, 0, 0, 0);
184
185 p1->SetBottomMargin(0.15);
186 p1->SetTopMargin(0.03);
187 p1->SetLeftMargin(0.15);
188 p1->SetRightMargin(0.03);
189
190 p1->SetGridx();
191 p1->SetGridy();
192
193 p1->Draw();
194 p1->cd();
195
196 return p1;
197}
198
199void MisalignmentShowRawTrackPlots(const char* dirName = "fdNdEtaAnalysisESD")
200{
201 loadlibs();
202
203 TFile* file = TFile::Open("fullA-simrec/MB2/analysis_esd_raw.root");
204 dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis(dirName, dirName);
205 fdNdEtaAnalysis->LoadHistograms();
206
207 TFile* file2 = TFile::Open("fullA-sim/analysis_esd_raw.root");
208 dNdEtaAnalysis* fdNdEtaAnalysis2 = new dNdEtaAnalysis(dirName, dirName);
209 fdNdEtaAnalysis2->LoadHistograms();
210
211 TH3* track1 = fdNdEtaAnalysis->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track1");
212 TH3* track2 = fdNdEtaAnalysis2->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track2");
213
214 // normalize to number of events;
215 TH2* event1 = fdNdEtaAnalysis->GetData()->GetEventCorrection()->GetMeasuredHistogram();
216 TH2* event2 = fdNdEtaAnalysis2->GetData()->GetEventCorrection()->GetMeasuredHistogram();
217 Int_t event1Count = event1->Integral();
218 Int_t event2Count = event2->Integral();
219 track1->Scale(1.0 / event1Count);
220 track2->Scale(1.0 / event2Count);
221
222 const Float_t innerLimit = 0.49;
223 const Float_t outerLimit = 0.99;
224
225 track1->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
226 track2->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
227 AliPWG0Helper::CreateDividedProjections(track1, track2, "ze1");
228 TH1* fullRange = gROOT->FindObject("track1_ze1_div_track2_ze1");
229
230 track1->GetYaxis()->SetRangeUser(-innerLimit, innerLimit);
231 track2->GetYaxis()->SetRangeUser(-innerLimit, innerLimit);
232 AliPWG0Helper::CreateDividedProjections(track1, track2, "ze2");
233 TH1* central = gROOT->FindObject("track1_ze2_div_track2_ze2");
234 central->SetLineColor(1);
235 central->SetMarkerStyle(21);
236
237 for (Int_t x=1; x<track1->GetXaxis()->GetNbins(); ++x)
238 for (Int_t y=track1->GetYaxis()->FindBin(-innerLimit); y<track1->GetYaxis()->FindBin(innerLimit); ++y)
239 for (Int_t z=1; z<track1->GetZaxis()->GetNbins(); ++z)
240 {
241 track1->SetBinContent(x, y, z, 0);
242 track1->SetBinError(x, y, z, 0);
243 track2->SetBinContent(x, y, z, 0);
244 track2->SetBinError(x, y, z, 0);
245 }
246
247 track1->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
248 track2->GetYaxis()->SetRangeUser(-outerLimit, outerLimit);
249 AliPWG0Helper::CreateDividedProjections(track1, track2, "ze3");
250 TH1* peripheral = gROOT->FindObject("track1_ze3_div_track2_ze3");
251 peripheral->SetLineColor(2);
252 peripheral->SetMarkerStyle(22);
253 peripheral->SetMarkerColor(2);
254
255 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);
256
257 tmp->SetStats(kFALSE);
258 //tmp->GetXaxis()->SetNoExponent();
259
260 Float_t ptStart = 0.1;
261
262 fullRange->GetXaxis()->SetRangeUser(ptStart, 9.9);
263 central->GetXaxis()->SetRangeUser(ptStart, 9.9);
264 peripheral->GetXaxis()->SetRangeUser(ptStart, 9.9);
265
266 TCanvas* canvas = new TCanvas("MisalignmentShowRawTrackPlots", "MisalignmentShowRawTrackPlots", 700, 400);
267 gPad->SetLogx();
268 gPad->SetGridx();
269 gPad->SetGridy();
270
271 TLegend* legend = new TLegend(0.2, 0.7, 0.4, 0.8);
272
273 legend->AddEntry(central, "|#eta| < 0.5");
274 legend->AddEntry(peripheral, "0.5 < |#eta| < 1.0");
275
276 legend->SetFillColor(0);
277
278 tmp->Draw();
279 //fullRange->Draw("SAME");
280 central->Draw("SAME");
281 peripheral->Draw("SAME");
282
283 legend->Draw();
284
285 canvas->SaveAs("syst_mis_ntracks.eps");
286}
287
288
289void drawdNdEtaRatios(const char* canvasName, Int_t n, const char** files, const char** dirs, const char** names, Int_t* histID)
290{
291 loadlibs();
292 gROOT->ProcessLine(".L $ALICE_ROOT/PWG0/dNdEta/drawPlots.C");
293
294 TCanvas* canvas = new TCanvas(canvasName, canvasName, 1000, 500);
295 canvas->Divide(2, 1);
296 canvas->cd(2)->SetGridx();
297 canvas->cd(2)->SetGridy();
298
299 TLegend* legend = new TLegend(0.63, 0.73, 0.98, 0.98);
300 legend->SetFillColor(0);
301
302 TH1* base = 0;
303
304 for (Int_t i = 0; i < n; ++i)
305 {
306 TFile::Open(files[i]);
307
308 dNdEtaAnalysis* tmp = new dNdEtaAnalysis(dirs[i], dirs[i]);
309 tmp->LoadHistograms();
310
311 TH1* hist = tmp->GetdNdEtaPtCutOffCorrectedHistogram(histID[i]);
312
313 if (i == 0)
314 base = hist;
315
316 legend->AddEntry(hist, names[i]);
317
318 hist->SetMarkerColor(colors[i]);
319 hist->SetMarkerStyle(markers[i]);
320
321 canvas->cd(1);
322 hist->DrawCopy((i == 0) ? "" : "SAME");
323
324 if (i != 0)
325 {
326 PrintIntegratedDeviation(hist, base, names[i]);
327
328 canvas->cd(2);
329 hist->Divide(hist, base, 1, 1);
330 hist->GetYaxis()->SetRangeUser(0.9, 1.1);
331 hist->DrawCopy((i == 1) ? "" : "SAME");
332 }
333 }
334
335 legend->Draw();
336
337 canvas->SaveAs(Form("%s.eps", canvas->GetName()));
338}
339
340void 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)
341{
342 gSystem->Load("libPWG0base");
343
344 TCanvas* canvas = new TCanvas(canvasName, canvasName, 700, 400);
345 canvas->SetLeftMargin(0.12);
346
347 TLegend* legend = new TLegend(0.35, 0.7, 0.65, 0.85);
348 legend->SetFillColor(0);
349
350 for (Int_t i = 0; i < n; ++i)
351 {
352 TFile::Open(files1[i]);
353
354 dNdEtaAnalysis* tmp1 = new dNdEtaAnalysis(dirs1[i], dirs1[i]);
355 tmp1->LoadHistograms();
356
357 TFile::Open(files2[i]);
358
359 dNdEtaAnalysis* tmp2 = new dNdEtaAnalysis(dirs2[i], dirs2[i]);
360 tmp2->LoadHistograms();
361
362 TH1* hist1 = tmp1->GetdNdEtaPtCutOffCorrectedHistogram(histID[i]);
363 TH1* hist2 = tmp2->GetdNdEtaPtCutOffCorrectedHistogram(histID[i]);
364
365 TH1* division = hist1->Clone();
366
367 division->Divide(hist1, hist2, 1, 1, "B");
368
369 division->SetMarkerColor(colors[i]);
370 division->SetMarkerStyle(markers[i]);
371
372 legend->AddEntry(division, names[i]);
373
374 division->SetTitle("");
375 division->GetYaxis()->SetTitle("#frac{dN_{ch}/d#eta using MC vtx}{dN_{ch}/d#eta using ESD vtx}");
376 division->SetStats(kFALSE);
377 division->GetYaxis()->SetTitleOffset(1.3);
378 division->GetXaxis()->SetRangeUser(-0.99, 0.99);
379 division->GetYaxis()->SetRangeUser(0.981, 1.02);
380 division->DrawCopy((i == 0) ? "" : "SAME");
381 }
382
383 gPad->SetGridx();
384 gPad->SetGridy();
385
386 legend->Draw();
387
388 canvas->SaveAs(Form("%s.eps", canvas->GetName()));
389}
390
391void MaterialBudgetChange()
392{
393 const char* files[] =
394 { "Material-normal-mcvtx/analysis_esd.root",
395 "Material-increased-mcvtx/analysis_esd.root",
396 "Material-decreased-mcvtx/analysis_esd.root" };
397
398 const char* dirs[] = { "dndeta", "dndeta", "dndeta"};
399 const char* names[] = { "no change", "+ 10 % material", "- 10 % material" };
400 Int_t hist[] = { 0, 0, 0 };
401
402 drawdNdEtaRatios("MaterialBudgetChange", 3, files, dirs, names, hist);
403}
404
405void MisalignmentChange()
406{
407 const char* files[] =
408 { "maps/v4-09-Release/tpc-only/fullC-simrec--fullA-sim-mcvtx/analysis_esd.root",
409 "maps/v4-09-Release/tpc-only/fullC-simrec--fullA-simrec-mcvtx/analysis_esd.root" };
410
411 const char* dirs[] = { "dndeta", "dndeta", "dndeta"};
412 const char* names[] = { "no change", "increased in sim/rec", "increased in sim" };
413 Int_t hist[] = { 0, 0, 0 };
414
415 drawdNdEtaRatios("MisalignmentChange", 2, files, dirs, names, hist);
416}
417
418void dNdEtaVertexRanges()
419{
420 const char* files[] =
421 { "analysis_esd.root",
422 "analysis_esd.root",
423 "analysis_esd.root" };
424
425 const char* dirs[] = { "dndeta", "dndeta", "dndeta"};
426 const char* names[] = { "|vtx-z| < 10 cm", "-10 cm < vtx-z < 0 cm", "0 cm < vtx-z < 10 cm" };
427 Int_t hist[] = { 0, 1, 2 };
428
429 drawdNdEtaRatios("dNdEtaVertexRanges", 3, files, dirs, names, hist);
430}
431
432void vertexShiftStudy(Int_t histID)
433{
434 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" };
435 const char* dirs[] = { "dndeta", "dndeta", "dndeta", "dndeta", "dndeta" };
436 const char* names[] = { "mc vtx", "esd vtx", "+ 0.05 cm", "+ 0.1 cm", "old vtx shift" };
437 Int_t hist[] = { histID, histID, histID, histID, histID };
438
439 drawdNdEtaRatios("syst_vertex_shift1", 5, files, dirs, names, hist);
440
441 const char* files1[] = { "maps/idealA/mc-vertex/analysis_esd.root", "maps/idealA/mc-vertex/analysis_esd.root", "maps/idealA/mc-vertex/analysis_esd.root" };
442 const char* files2[] = { "results/idealC-idealA/analysis_esd.root", "results/idealC-idealA/analysis_esd.root", "results/idealC-idealA/analysis_esd.root" };
443 const char* dirs1[] = { "dndeta", "dndeta", "dndeta"};
444 const char* names[] = { "|vtx-z| < 10 cm", "-10 cm < vtx-z < 0 cm", "0 cm < vtx-z < 10 cm" };
445 Int_t hist[] = { 0, 1, 2 };
446
447 drawdNdEtaRatios("syst_vertex_shift2", 3, files1, files2, dirs, dirs, names, hist);
448}
449
450void vertexShift()
451{
452 TFile::Open("vertex.root");
453
454 TH2* hist = gFile->Get("fVertexCorr");
455 TProfile* prof = hist->ProfileX();
456
457 prof->SetStats(kFALSE);
458 prof->SetTitle(";MC vtx-z [cm];mean (ESD vtx-z - MC vtx-z) [cm]");
459 prof->GetYaxis()->SetTitleOffset(1.2);
460
461 prof->SetLineWidth(2);
462
463 TCanvas* canvas = new TCanvas("syst_vertex_shift", "syst_vertex_shift", 700, 400);
464
465 gPad->SetGridx();
466 gPad->SetGridy();
467
468 prof->Draw();
469
470 canvas->SaveAs(Form("%s.eps", canvas->GetName()));
471}
472
473void CompareRawTrackPlots(const char* fileName1, const char* fileName2, Float_t ptCut = 0.0)
474{
475 loadlibs();
476
477 const char* dirName = "fdNdEtaAnalysisESD";
478
479 TFile* file = TFile::Open(fileName1);
480 dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis(dirName, dirName);
481 fdNdEtaAnalysis->LoadHistograms();
482
483 TFile* file2 = TFile::Open(fileName2);
484 dNdEtaAnalysis* fdNdEtaAnalysis2 = new dNdEtaAnalysis(dirName, dirName);
485 fdNdEtaAnalysis2->LoadHistograms();
486
487 TH3* track1 = fdNdEtaAnalysis->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track1");
488 TH3* track2 = fdNdEtaAnalysis2->GetData()->GetTrackCorrection()->GetMeasuredHistogram()->Clone("track2");
489
490 // normalize to number of events;
491 TH2* event1 = fdNdEtaAnalysis->GetData()->GetEventCorrection()->GetMeasuredHistogram();
492 TH2* event2 = fdNdEtaAnalysis2->GetData()->GetEventCorrection()->GetMeasuredHistogram();
493 Int_t event1Count = event1->Integral();
494 Int_t event2Count = event2->Integral();
495 track1->Scale(1.0 / event1Count);
496 track2->Scale(1.0 / event2Count);
497
498 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());
499 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());
500
501 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);
502
503 gROOT->cd();
504
505 AliPWG0Helper::CreateDividedProjections(track1, track2);
506
507 new TCanvas; gROOT->FindObject("track1_yx_div_track2_yx")->Draw("COLZ");
508 new TCanvas; gROOT->FindObject("track1_zx_div_track2_zx")->Draw("COLZ");
509 new TCanvas; gROOT->FindObject("track1_zy_div_track2_zy")->Draw("COLZ");
510
511 for (Int_t i=0; i<3; i++)
512 {
513 char c = 'x' + (char) i;
514
515 /*proj1 = track1->Project3D(Form("%ce2", c));
516 proj2 = track2->Project3D(Form("%ce2", c));
517 AliPWG0Helper::NormalizeToBinWidth(proj1);
518 AliPWG0Helper::NormalizeToBinWidth(proj2);
519
520 new TCanvas;
521 proj1->DrawCopy();
522 proj2->SetLineColor(2);
523 proj2->SetMarkerColor(2);
524 proj2->DrawCopy("SAME");*/
525
526 AliPWG0Helper::CreateDividedProjections(track1, track2, Form("%ce2", c));
527 TH1* pt = gROOT->FindObject(Form("track1_%ce2_div_track2_%ce2", c, c));
528 new TCanvas; pt->DrawCopy();
529 gPad->SetGridx(); gPad->SetGridy();
530 }
531}
532
533void MagnitudeOfCorrection(const char* fileName, const char* dirName = "dndeta", Float_t ptCut = 0.3)
534{
535 loadlibs();
536
537 TFile* file = TFile::Open(fileName);
538 dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis(dirName, dirName);
539 fdNdEtaAnalysis->LoadHistograms();
540 fdNdEtaAnalysis->GetData()->PrintInfo(ptCut);
541}
542
543Double_t ConvSigma1To2D(Double_t sigma)
544{
545 return TMath::Sqrt( - TMath::Log( 1 - TMath::Erf(sigma / TMath::Sqrt(2)) ) * 2);
546}
547
548Double_t ConvDistance1DTo2D(Double_t distance)
549{
550 return TMath::ErfInverse(1 - TMath::Exp(-distance * distance / 2)) * TMath::Sqrt(2);
551}
552
553Double_t Sigma2VertexCount(TH2F* tracks, Double_t nSigma)
554{
555 Double_t count = 0;
556
557 //nSigma = ConvSigma1To2D(nSigma);
558
559 for (Int_t x=1; x<=tracks->GetNbinsX(); ++x)
560 for (Int_t y=1; y<=tracks->GetNbinsY(); ++y)
561 {
562 Double_t impactX = tracks->GetXaxis()->GetBinCenter(x);
563 Double_t impactY = tracks->GetYaxis()->GetBinCenter(y);
564
565 Float_t d = TMath::Sqrt(impactX*impactX + impactY*impactY);
566
567 d = ConvDistance1DTo2D(d);
568
569 if (d < nSigma)
570 count += tracks->GetBinContent(x, y);
571 }
572
573 return count;
574}
575
576TH2F* Sigma2VertexGaussianTracksHist()
577{
578 TH2F* tracks = new TH2F("Sigma2Vertex_tracks", "Sigma2Vertex_tracks", 200, -5, 5, 200, -5, 5);
579
580 TF2* gaussian2D = new TF2("gaussian2D", "xgausn(0) * ygausn(3)", -5, 5, -5, 5);
581 gaussian2D->SetParameters(1, 0, 1, 1, 0, 1);
582
583 for (Int_t x=1; x<=tracks->GetNbinsX(); ++x)
584 for (Int_t y=1; y<=tracks->GetNbinsY(); ++y)
585 tracks->SetBinContent(x, y, gaussian2D->Eval(tracks->GetXaxis()->GetBinCenter(x), tracks->GetYaxis()->GetBinCenter(y)));
586
587 //normalize
588 tracks->Scale(1.0 / tracks->Integral());
589
590 return tracks;
591}
592
593TH1F* Sigma2VertexGaussian()
594{
595 TH2F* tracks = Sigma2VertexGaussianTracksHist();
596
597 TCanvas* canvas = new TCanvas("Sigma2VertexGaussian", "Sigma2VertexGaussian", 1000, 1000);
598 canvas->Divide(2, 2);
599
600 canvas->cd(1);
601 tracks->Draw("COLZ");
602
603 TH1F* ratio = new TH1F("Sigma2Vertex_ratio", "Sigma2Vertex_ratio;n sigma;included", 50, 0.05, 5.05);
604 for (Double_t nSigma = 0.1; nSigma < 5.05; nSigma += 0.1)
605 ratio->Fill(nSigma, Sigma2VertexCount(tracks, nSigma));
606 ratio->SetMarkerStyle(21);
607
608 canvas->cd(2);
609 ratio->DrawCopy("P");
610
611 TH1F* ratio2 = new TH1F("Sigma2Vertex_ratio2", "Sigma2Vertex_ratio2;nSigma;% included 4 sigma / % included n sigma", 50, 0.05, 5.05);
612 Double_t sigma3 = Sigma2VertexCount(tracks, 4);
613 for (Double_t nSigma = 0.1; nSigma < 5.05; nSigma += 0.1)
614 ratio2->Fill(nSigma, sigma3 / ratio->GetBinContent(ratio->FindBin(nSigma)));
615 ratio2->SetMarkerStyle(21);
616
617 canvas->cd(3);
618 ratio2->DrawCopy("P");
619
620 canvas->SaveAs("Sigma2Vertex.eps");
621
622 return ratio2;
623}
624
625TH1F** Sigma2VertexSimulation(const char* fileName = "systematics.root")
626{
627 TFile* file = TFile::Open(fileName);
628
629 TH1F* sigmavertex = dynamic_cast<TH1F*> (file->Get("fSigmaVertexTracks"));
630 TH1F* sigmavertexPrim = dynamic_cast<TH1F*> (file->Get("fSigmaVertexPrim"));
631 if (!sigmavertex || !sigmavertexPrim)
632 {
633 printf("Could not read histogram(s)\n");
634 return;
635 }
636
637 // calculate ratio
638 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());
639
640 // calculate contamination
641 TH1F* contamination = ratio->Clone("sigmavertexsimulation_contamination");
642 contamination->SetTitle("sigmavertexsimulation_contamination;N#sigma;1 + N_{secondaries} / N_{all}");
643
644 for (Int_t i=1; i<=sigmavertex->GetNbinsX(); ++i)
645 {
646 ratio->SetBinContent(i, sigmavertex->GetBinContent(sigmavertex->GetXaxis()->FindBin(4)) / sigmavertex->GetBinContent(i));
647 contamination->SetBinContent(i, 1 + (sigmavertex->GetBinContent(i) - sigmavertexPrim->GetBinContent(i)) / sigmavertex->GetBinContent(i));
648 }
649
650 // print stats
651 for (Float_t sigma = 2.0; sigma < 5.25; sigma += 0.5)
652 {
653 Float_t error1 = 1 - ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma)) / ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma - 0.5));
654 Float_t error2 = -1 + ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma)) / ratio->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma + 0.5));
655 Float_t cont = -1 + contamination->GetBinContent(sigmavertex->GetXaxis()->FindBin(sigma));
656 Printf("%.2f sigma --> syst. error = - %.2f %% + %.2f %%, cont. = %.2f %%", sigma, error1 * 100, error2 * 100, cont * 100);
657 }
658
659 TCanvas* canvas = new TCanvas("Sigma2VertexSimulation", "Sigma2VertexSimulation", 1000, 500);
660 canvas->Divide(2, 1);
661
662 canvas->cd(1);
663 sigmavertex->SetMarkerStyle(21);
664 sigmavertex->Draw("P");
665
666 canvas->cd(2);
667 ratio->SetMarkerStyle(21);
668 ratio->DrawCopy("P");
669
670 contamination->DrawCopy("SAME");
671
672 TH1F** returnContainer = new TH1F*[2];
673 returnContainer[0] = ratio;
674 returnContainer[1] = contamination;
675
676 return returnContainer;
677}
678
679void Sigma2VertexCompare(const char* fileName = "systematics.root")
680{
681 TH1F* ratio1 = Sigma2VertexGaussian();
682
683 TH1F** hists = Sigma2VertexSimulation(fileName);
684 TH1F* ratio2 = hists[0];
685 TH1F* contamination = hists[1];
686
687 ratio1->SetStats(kFALSE);
688 ratio2->SetStats(kFALSE);
689
690 ratio1->SetMarkerStyle(0);
691 ratio2->SetMarkerStyle(0);
692
693 ratio1->SetLineWidth(2);
694 ratio2->SetLineWidth(2);
695
696 TLegend* legend = new TLegend(0.6, 0.8, 0.95, 0.95);
697 legend->SetFillColor(0);
698 legend->AddEntry(ratio1, "Gaussian");
699 legend->AddEntry(ratio2, "Simulation");
700 legend->AddEntry(contamination, "1 + Contamination");
701
702 ratio2->SetTitle("");
703 ratio2->GetYaxis()->SetTitleOffset(1.5);
704 ratio2->GetXaxis()->SetRangeUser(2, 5);
705
706 TCanvas* canvas = new TCanvas("Sigma2VertexCompare", "Sigma2VertexCompare", 500, 500);
707 InitPad();
708
709 ratio2->SetMarkerStyle(21);
710 ratio1->SetMarkerStyle(22);
711
712 ratio2->GetYaxis()->SetRangeUser(0.8, 1.2);
713 ratio2->SetLineColor(kRed);
714 ratio2->SetMarkerColor(kRed);
715 ratio2->Draw("PL");
716 ratio1->Draw("SAMEPL");
717
718 contamination->Draw("SAME");
719
720 legend->Draw();
721
722 canvas->SaveAs("Sigma2VertexCompare.eps");
723}