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1 | #include <TH1.h> | |
2 | #include <THStack.h> | |
3 | #include <TGraphErrors.h> | |
4 | #include <TGraphAsymmErrors.h> | |
5 | #include <TMultiGraph.h> | |
6 | #include <TFile.h> | |
7 | #include <TList.h> | |
8 | #include <TString.h> | |
9 | #include <TError.h> | |
10 | #include <TSystem.h> | |
11 | #include <TROOT.h> | |
12 | #include <TMath.h> | |
13 | #include <TCanvas.h> | |
14 | #include <TPad.h> | |
15 | #include <TStyle.h> | |
16 | #include <TLegend.h> | |
17 | #include <TLegendEntry.h> | |
18 | #include <TLatex.h> | |
19 | #include <TImage.h> | |
20 | ||
21 | /** | |
22 | * Class to draw dN/deta results | |
23 | * | |
24 | */ | |
25 | struct dNdetaDrawer | |
26 | { | |
27 | /** | |
28 | * POD of data for range zooming | |
29 | */ | |
30 | struct RangeParam | |
31 | { | |
32 | TAxis* fMasterAxis; // Master axis | |
33 | TAxis* fSlave1Axis; // First slave axis | |
34 | TVirtualPad* fSlave1Pad; // First slave pad | |
35 | TAxis* fSlave2Axis; // Second slave axis | |
36 | TVirtualPad* fSlave2Pad; // Second slave pad | |
37 | }; | |
38 | //__________________________________________________________________ | |
39 | /** | |
40 | * Constructor | |
41 | * | |
42 | */ | |
43 | dNdetaDrawer() | |
44 | : fShowOthers(false), // Bool_t | |
45 | fShowAlice(false), // Bool_t | |
46 | fShowRatios(false), // Bool_t | |
47 | fShowLeftRight(false), // Bool_t | |
48 | fRebin(5), // UShort_t | |
49 | fCutEdges(false), // Bool_t | |
50 | fTitle(""), // TString | |
51 | fHHDFile(""), // TString | |
52 | fTrigString(0), // TNamed* | |
53 | fSNNString(0), // TNamed* | |
54 | fSysString(0), // TNamed* | |
55 | fVtxAxis(0), // TAxis* | |
56 | fForward(0), // TH1* | |
57 | fForwardMC(0), // TH1* | |
58 | fForwardHHD(0), // TH1* | |
59 | fTruth(0), // TH1* | |
60 | fCentral(0), // TH1* | |
61 | fForwardSym(0), // TH1* | |
62 | fForwardMCSym(0), // TH1* | |
63 | fForwardHHDSym(0), // TH1* | |
64 | fTriggers(0), // TH1* | |
65 | fRangeParam(0) | |
66 | ||
67 | { | |
68 | fRangeParam = new RangeParam; | |
69 | fRangeParam->fMasterAxis = 0; | |
70 | fRangeParam->fSlave1Axis = 0; | |
71 | fRangeParam->fSlave1Pad = 0; | |
72 | fRangeParam->fSlave2Axis = 0; | |
73 | fRangeParam->fSlave2Pad = 0; | |
74 | } | |
75 | //================================================================== | |
76 | /** | |
77 | * @{ | |
78 | * @name Set parameters | |
79 | */ | |
80 | /** | |
81 | * Show other (UA5, CMS, ...) data | |
82 | * | |
83 | * @param x Whether to show or not | |
84 | */ | |
85 | void SetShowOthers(Bool_t x) { fShowOthers = x; } | |
86 | //__________________________________________________________________ | |
87 | /** | |
88 | * Show ALICE published data | |
89 | * | |
90 | * @param x Wheter to show or not | |
91 | */ | |
92 | void SetShowAlice(Bool_t x) { fShowAlice = x; } | |
93 | //__________________________________________________________________ | |
94 | /** | |
95 | * Whether to show ratios or not. If there's nothing to compare to, | |
96 | * the ratio panel will be implicitly disabled | |
97 | * | |
98 | * @param x Whether to show or not | |
99 | */ | |
100 | void SetShowRatios(Bool_t x) { fShowRatios = x; } | |
101 | //__________________________________________________________________ | |
102 | /** | |
103 | * | |
104 | * Whether to show the left/right asymmetry | |
105 | * | |
106 | * @param x To show or not | |
107 | */ | |
108 | void SetShowLeftRight(Bool_t x) { fShowLeftRight = x; } | |
109 | //__________________________________________________________________ | |
110 | /** | |
111 | * Set the rebinning factor | |
112 | * | |
113 | * @param x Rebinning factor (must be a divisor in the number of bins) | |
114 | */ | |
115 | void SetRebin(UShort_t x) { fRebin = x; } | |
116 | //__________________________________________________________________ | |
117 | /** | |
118 | * Wheter to cut away the edges | |
119 | * | |
120 | * @param x Whether or not to cut away edges | |
121 | */ | |
122 | void SetCutEdges(Bool_t x) { fCutEdges = x; } | |
123 | //__________________________________________________________________ | |
124 | /** | |
125 | * Set the title of the plot | |
126 | * | |
127 | * @param x Title | |
128 | */ | |
129 | void SetTitle(TString x) { fTitle = x; } | |
130 | //__________________________________________________________________ | |
131 | /** | |
132 | * Set the file name of the file containing the HHD results | |
133 | * | |
134 | * @param fn File name | |
135 | */ | |
136 | void SetHHDFile(const char* fn) { fHHDFile = fn; } | |
137 | /* @} */ | |
138 | //================================================================== | |
139 | /** | |
140 | * @{ | |
141 | * @name Override settings from input | |
142 | */ | |
143 | /** | |
144 | * Override setting from file | |
145 | * | |
146 | * @param sNN Center of mass energy per nucleon pair (GeV) | |
147 | */ | |
148 | void SetSNN(UShort_t sNN) | |
149 | { | |
150 | fSNNSTring = new TNamed("sNN", Form("%04dGeV", sNN)); | |
151 | fSNNString->SetUniqueID(sNN); | |
152 | } | |
153 | //__________________________________________________________________ | |
154 | /** | |
155 | * Set the collision system | |
156 | * - 1: pp | |
157 | * - 2: PbPb | |
158 | * | |
159 | * @param sys collision system | |
160 | */ | |
161 | void SetSys(UShort_t sys) | |
162 | { | |
163 | fSNNString = new TNamed("sys", (sys == 1 ? "pp" : | |
164 | sys == 2 ? "PbPb" : "unknown")); | |
165 | fSNNString->SetUniqueID(sys); | |
166 | } | |
167 | //__________________________________________________________________ | |
168 | /** | |
169 | * Set the vertex range in centimeters | |
170 | * | |
171 | * @param vzMin Min @f$ v_z@f$ | |
172 | * @param vzMax Max @f$ v_z@f$ | |
173 | */ | |
174 | void SetVertexRange(Double_t vzMin, Double_t vzMax) | |
175 | { | |
176 | fVtxAxis = new TAxis(10, vzMin, vzMax); | |
177 | fVtxAxis->SetName("vtxAxis"); | |
178 | fVtxAxis->SetTitle(Form("v_{z}#in[%+5.1f,%+5.1f]cm", vzMin, vzMax)); | |
179 | } | |
180 | //__________________________________________________________________ | |
181 | void SetTrigger(UShort_t trig) | |
182 | { | |
183 | fTrigString = new TNamed("trigString", (trig & 0x1 ? "INEL" : | |
184 | trig & 0x2 ? "INEL>0" : | |
185 | trig & 0x4 ? "NSD" : | |
186 | "unknown")); | |
187 | fTrigString->SetUniqueID(trig); | |
188 | } | |
189 | ||
190 | ||
191 | //================================================================== | |
192 | /** | |
193 | * @{ | |
194 | * @name Main steering functions | |
195 | */ | |
196 | /** | |
197 | * Run the code to produce the final result. | |
198 | * | |
199 | * @param filename File containing the data | |
200 | */ | |
201 | void Run(const char* filename="forward_dndeta.C") | |
202 | { | |
203 | if (!Open(filename)) return; | |
204 | ||
205 | Double_t max = 0; | |
206 | ||
207 | // Create our stack of results | |
208 | THStack* results = StackResults(max); | |
209 | ||
210 | // Create our stack of other results | |
211 | TMultiGraph* other = 0; | |
212 | if (fShowOthers || fShowAlice) other = StackOther(max); | |
213 | ||
214 | Double_t smax = 0; | |
215 | THStack* ratios = 0; | |
216 | if (fShowRatios) ratios = StackRatios(other, smax); | |
217 | ||
218 | Double_t amax = 0; | |
219 | THStack* leftright = 0; | |
220 | if (fShowLeftRight) leftright = StackLeftRight(amax); | |
221 | ||
222 | Plot(results, other, max, ratios, smax, leftright, amax); | |
223 | } | |
224 | ||
225 | //__________________________________________________________________ | |
226 | /** | |
227 | * Open input file, and find data | |
228 | * | |
229 | * @param filename File name | |
230 | * | |
231 | * @return true on success | |
232 | */ | |
233 | Bool_t Open(const char* filename) | |
234 | { | |
235 | TFile* file = TFile::Open(filename, "READ"); | |
236 | if (!file) { | |
237 | Error("Open", "Cannot open %s", filename); | |
238 | return false; | |
239 | } | |
240 | ||
241 | TList* results = static_cast<TList*>(file->Get("ForwardResults")); | |
242 | if (!results) { | |
243 | Error("Open", "Couldn't find list ForwardResults"); | |
244 | return false; | |
245 | } | |
246 | ||
247 | fForward = GetResult(results, "dndetaForward"); | |
248 | fForwardMC = GetResult(results, "dndetaForwardMC"); | |
249 | fTruth = GetResult(results, "dndetaTruth"); | |
250 | fCentral = GetResult(results, "dndetaCentral"); | |
251 | ||
252 | if (!fTrigString) | |
253 | fTrigString = static_cast<TNamed*>(results->FindObject("trigString")); | |
254 | if (!fSNNString) | |
255 | fSNNString = static_cast<TNamed*>(results->FindObject("sNN")); | |
256 | if (!fSysString) | |
257 | fSysString = static_cast<TNamed*>(results->FindObject("sys")); | |
258 | if (!fVtxAxis) | |
259 | fVtxAxis = static_cast<TAxis*>(results->FindObject("vtxAxis")); | |
260 | ||
261 | if (!fTrigString) fTrigString = new TNamed("trigString", "unknown"); | |
262 | if (!fSNNString) fSNNString = new TNamed("sNN", "unknown"); | |
263 | if (!fSysString) fSysString = new TNamed("sys", "unknown"); | |
264 | if (!fVtxAxis) { | |
265 | fVtxAxis = new TAxis(1,0,0); | |
266 | fVtxAxis->SetName("vtxAxis"); | |
267 | fVtxAxis->SetTitle("v_{z} range unspecified"); | |
268 | } | |
269 | ||
270 | TList* sums = static_cast<TList*>(file->Get("ForwardSums")); | |
271 | if (sums) | |
272 | fTriggers = GetResult(sums, "triggers"); | |
273 | ||
274 | if (!fForward) { | |
275 | Error("Open", "Couldn't find the result of the forward analysis"); | |
276 | return false; | |
277 | } | |
278 | file->Close(); | |
279 | ||
280 | ||
281 | fForwardHHD = GetHHD(); | |
282 | ||
283 | return true; | |
284 | } | |
285 | //__________________________________________________________________ | |
286 | /** | |
287 | * Make a histogram stack of results | |
288 | * | |
289 | * @param max On return, the maximum value in the stack | |
290 | * | |
291 | * @return Newly allocated stack | |
292 | */ | |
293 | THStack* StackResults(Double_t& max) | |
294 | { | |
295 | THStack* stack = new THStack("results", "Stack of Results"); | |
296 | max = TMath::Max(max, AddHistogram(stack, fTruth, "e5 p")); | |
297 | max = TMath::Max(max, AddHistogram(stack, fForwardHHD, "", fForwardHHDSym)); | |
298 | max = TMath::Max(max, AddHistogram(stack, fForwardMC, "", fForwardMCSym)); | |
299 | max = TMath::Max(max, AddHistogram(stack, fCentral, "")); | |
300 | max = TMath::Max(max, AddHistogram(stack, fForward, "", fForwardSym)); | |
301 | return stack; | |
302 | } | |
303 | //__________________________________________________________________ | |
304 | /** | |
305 | * Make a histogram stack of results | |
306 | * | |
307 | * @param max On return, the maximum value in the stack | |
308 | * | |
309 | * @return Newly allocated stack | |
310 | */ | |
311 | TMultiGraph* StackOther(Double_t& max) const | |
312 | { | |
313 | gROOT->LoadMacro("$ALICE_ROOT/PWG2/FORWARD/analysis2/OtherData.C"); | |
314 | Int_t error = 0; | |
315 | Bool_t onlya = (fShowOthers ? false : true); | |
316 | Int_t trg = (fTrigString ? fTrigString->GetUniqueID() : 0); | |
317 | UShort_t snn = (fSNNString ? fSNNString->GetUniqueID() : 0); | |
318 | Long_t ret = gROOT->ProcessLine(Form("GetData(%d,%d,%d);", | |
319 | snn,trg,onlya)); | |
320 | if (error) { | |
321 | Error("StackOther", "Failed to execute GetData(%d,%d,%d)", | |
322 | snn, trg, onlya); | |
323 | return 0; | |
324 | } | |
325 | if (!ret) { | |
326 | Warning("StackOther", "No other data found for sNN=%d, trigger=%d", | |
327 | snn, trg); | |
328 | return 0; | |
329 | } | |
330 | TMultiGraph* other = reinterpret_cast<TMultiGraph*>(ret); | |
331 | ||
332 | TGraphAsymmErrors* o = 0; | |
333 | TIter next(other->GetListOfGraphs()); | |
334 | while ((o = static_cast<TGraphAsymmErrors*>(next()))) | |
335 | max = TMath::Max(max, TMath::MaxElement(o->GetN(), o->GetY())); | |
336 | ||
337 | return other; | |
338 | } | |
339 | //__________________________________________________________________ | |
340 | /** | |
341 | * Make a histogram stack of ratios of results to other data | |
342 | * | |
343 | * @param max On return, the maximum value in the stack | |
344 | * | |
345 | * @return Newly allocated stack | |
346 | */ | |
347 | THStack* StackRatios(TMultiGraph* others, Double_t& max) | |
348 | { | |
349 | THStack* ratios = new THStack("ratios", "Ratios"); | |
350 | ||
351 | if (others) { | |
352 | TGraphAsymmErrors* ua5_1 = 0; | |
353 | TGraphAsymmErrors* ua5_2 = 0; | |
354 | TGraphAsymmErrors* alice = 0; | |
355 | TGraphAsymmErrors* cms = 0; | |
356 | TGraphAsymmErrors* o = 0; | |
357 | TIter nextG(others->GetListOfGraphs()); | |
358 | while ((o = static_cast<TGraphAsymmErrors*>(nextG()))) { | |
359 | ratios->Add(Ratio(fForward, o, max)); | |
360 | ratios->Add(Ratio(fForwardSym, o, max)); | |
361 | ratios->Add(Ratio(fForwardHHD, o, max)); | |
362 | ratios->Add(Ratio(fForwardHHDSym, o, max)); | |
363 | ratios->Add(Ratio(fCentral, o, max)); | |
364 | TString oName(o->GetName()); | |
365 | oName.ToLower(); | |
366 | if (oName.Contains("ua5")) { if (ua5_1) ua5_2 = o; else ua5_1 = o; } | |
367 | if (oName.Contains("alice")) alice = o; | |
368 | if (oName.Contains("cms")) cms = o; | |
369 | } | |
370 | if (ua5_1 && alice) ratios->Add(Ratio(alice, ua5_1, max)); | |
371 | if (ua5_2 && alice) ratios->Add(Ratio(alice, ua5_2, max)); | |
372 | if (cms && alice) ratios->Add(Ratio(alice, cms, max)); | |
373 | } | |
374 | ||
375 | // If we have data from HHD's analysis, then do the ratio of | |
376 | // our result to that data. | |
377 | if (fForwardHHD) { | |
378 | ratios->Add(Ratio(fForward, fForwardHHD, max)); | |
379 | ratios->Add(Ratio(fForwardSym, fForwardHHDSym, max)); | |
380 | } | |
381 | ||
382 | // Do comparison to MC | |
383 | if (fForwardMC) { | |
384 | ratios->Add(Ratio(fForward, fForwardMC, max)); | |
385 | ratios->Add(Ratio(fForwardSym, fForwardMCSym, max)); | |
386 | } | |
387 | ||
388 | // Check if we have ratios | |
389 | if (!ratios->GetHists() || | |
390 | (ratios->GetHists()->GetEntries() <= 0)) { | |
391 | delete ratios; | |
392 | ratios = 0; | |
393 | } | |
394 | return ratios; | |
395 | } | |
396 | //__________________________________________________________________ | |
397 | /** | |
398 | * Make a histogram stack of the left-right asymmetry | |
399 | * | |
400 | * @param max On return, the maximum value in the stack | |
401 | * | |
402 | * @return Newly allocated stack | |
403 | */ | |
404 | THStack* StackLeftRight(Double_t& max) | |
405 | { | |
406 | THStack* ret = new THStack("leftright", "Left-right asymmetry"); | |
407 | ret->Add(Asymmetry(fForward, max)); | |
408 | ret->Add(Asymmetry(fForwardHHD, max)); | |
409 | ret->Add(Asymmetry(fForwardMC, max)); | |
410 | ||
411 | if (!ret->GetHists() || | |
412 | (ret->GetHists()->GetEntries() <= 0)) { | |
413 | delete ret; | |
414 | ret = 0; | |
415 | } | |
416 | return ret; | |
417 | } | |
418 | //__________________________________________________________________ | |
419 | /** | |
420 | * Plot the results | |
421 | * | |
422 | * @param results Results | |
423 | * @param others Other data | |
424 | * @param max Max value | |
425 | * @param ratios Stack of ratios (optional) | |
426 | * @param rmax Maximum diviation from 1 of ratios | |
427 | * @param leftright Stack of left-right asymmetry (optional) | |
428 | * @param amax Maximum diviation from 1 of asymmetries | |
429 | */ | |
430 | void Plot(THStack* results, | |
431 | TMultiGraph* others, | |
432 | Double_t max, | |
433 | THStack* ratios, | |
434 | Double_t rmax, | |
435 | THStack* leftright, | |
436 | Double_t amax) | |
437 | { | |
438 | gStyle->SetOptTitle(0); | |
439 | gStyle->SetTitleFont(132, "xyz"); | |
440 | gStyle->SetLabelFont(132, "xyz"); | |
441 | ||
442 | Int_t h = 800; | |
443 | Int_t w = 800; // h / TMath::Sqrt(2); | |
444 | if (!ratios) w *= 1.4; | |
445 | if (!leftright) w *= 1.4; | |
446 | TCanvas* c = new TCanvas("Results", "Results", w, h); | |
447 | c->SetFillColor(0); | |
448 | c->SetBorderSize(0); | |
449 | c->SetBorderMode(0); | |
450 | ||
451 | Double_t y1 = 0; | |
452 | Double_t y2 = 0; | |
453 | Double_t y3 = 0; | |
454 | if (ratios) y1 = 0.3; | |
455 | if (leftright) { | |
456 | if (y1 > 0.0001) { | |
457 | y2 = 0.2; | |
458 | y1 = 0.4; | |
459 | } | |
460 | else { | |
461 | y1 = 0.2; | |
462 | y2 = y1; | |
463 | } | |
464 | } | |
465 | PlotResults(results, others, max, y1); | |
466 | c->cd(); | |
467 | ||
468 | PlotRatios(ratios, rmax, y2, y1); | |
469 | c->cd( ); | |
470 | ||
471 | PlotLeftRight(leftright, amax, y3, y2); | |
472 | c->cd(); | |
473 | ||
474 | ||
475 | Int_t vMin = fVtxAxis->GetXmin(); | |
476 | Int_t vMax = fVtxAxis->GetXmax(); | |
477 | TString trg(fTrigString->GetTitle()); | |
478 | Int_t nev = fTriggers->GetBinContent(fTriggers->GetNbinsX()); | |
479 | trg = trg.Strip(TString::kBoth); | |
480 | TString base(Form("dndeta_%s_%s_%s_%c%02d%c%02dcm_%09dev", | |
481 | fSysString->GetTitle(), | |
482 | fSNNString->GetTitle(), | |
483 | trg.Data(), | |
484 | vMin < 0 ? 'm' : 'p', TMath::Abs(vMin), | |
485 | vMax < 0 ? 'm' : 'p', TMath::Abs(vMax), | |
486 | nev)); | |
487 | c->SaveAs(Form("%s.png", base.Data())); | |
488 | c->SaveAs(Form("%s.root", base.Data())); | |
489 | c->SaveAs(Form("%s.C", base.Data())); | |
490 | } | |
491 | //__________________________________________________________________ | |
492 | /** | |
493 | * Plot the results | |
494 | * | |
495 | * @param results Results | |
496 | * @param others Other data | |
497 | * @param max Maximum | |
498 | * @param yd Bottom position of pad | |
499 | */ | |
500 | void PlotResults(THStack* results, TMultiGraph* others, | |
501 | Double_t max, Double_t yd) | |
502 | { | |
503 | // Make a sub-pad for the result itself | |
504 | TPad* p1 = new TPad("p1", "p1", 0, yd, 1.0, 1.0, 0, 0, 0); | |
505 | p1->SetTopMargin(0.05); | |
506 | p1->SetBorderSize(0); | |
507 | p1->SetBorderMode(0); | |
508 | p1->SetBottomMargin(yd > 0.001 ? 0.001 : 0.1); | |
509 | p1->SetRightMargin(0.05); | |
510 | p1->SetGridx(); | |
511 | p1->SetTicks(1,1); | |
512 | p1->SetNumber(1); | |
513 | p1->Draw(); | |
514 | p1->cd(); | |
515 | ||
516 | results->SetMaximum(1.15*max); | |
517 | results->SetMinimum(yd > 0.00001 ? -0.1 : 0); | |
518 | ||
519 | FixAxis(results, 1/(1-yd)/1.7, "#frac{1}{N} #frac{dN_{ch}}{d#eta}"); | |
520 | ||
521 | p1->Clear(); | |
522 | results->DrawClone("nostack e1"); | |
523 | ||
524 | fRangeParam->fSlave1Axis = results->GetXaxis(); | |
525 | fRangeParam->fSlave1Pad = p1; | |
526 | ||
527 | // Draw other data | |
528 | if (others) { | |
529 | TGraphAsymmErrors* o = 0; | |
530 | TIter nextG(others->GetListOfGraphs()); | |
531 | while ((o = static_cast<TGraphAsymmErrors*>(nextG()))) | |
532 | o->DrawClone("same p"); | |
533 | } | |
534 | ||
535 | // Make a legend in the main result pad | |
536 | TLegend* l = p1->BuildLegend(.15,p1->GetBottomMargin()+.01,.90,.35); | |
537 | l->SetNColumns(2); | |
538 | l->SetFillColor(0); | |
539 | l->SetFillStyle(0); | |
540 | l->SetBorderSize(0); | |
541 | l->SetTextFont(132); | |
542 | ||
543 | // Put a title on top | |
544 | TLatex* tit = new TLatex(0.10, 0.95, fTitle.Data()); | |
545 | tit->SetNDC(); | |
546 | tit->SetTextFont(132); | |
547 | tit->SetTextSize(0.05); | |
548 | tit->Draw(); | |
549 | ||
550 | // Put a nice label in the plot | |
551 | TString eS; | |
552 | UShort_t snn = fSNNString->GetUniqueID(); | |
553 | const char* sys = fSysString->GetTitle(); | |
554 | if (snn > 1000) eS = Form("%4.2fTeV", float(snn)/1000); | |
555 | else eS = Form("%3dGeV", snn); | |
556 | TLatex* tt = new TLatex(.93, .93, Form("%s #sqrt{s}=%s, %s", | |
557 | sys, | |
558 | eS.Data(), | |
559 | fTrigString->GetTitle())); | |
560 | tt->SetNDC(); | |
561 | tt->SetTextFont(132); | |
562 | tt->SetTextAlign(33); | |
563 | tt->Draw(); | |
564 | ||
565 | // Put number of accepted events on the plot | |
566 | Int_t nev = fTriggers->GetBinContent(fTriggers->GetNbinsX()); | |
567 | TLatex* et = new TLatex(.93, .83, Form("%d events", nev)); | |
568 | et->SetNDC(); | |
569 | et->SetTextFont(132); | |
570 | et->SetTextAlign(33); | |
571 | et->Draw(); | |
572 | ||
573 | // Put number of accepted events on the plot | |
574 | if (fVtxAxis) { | |
575 | TLatex* vt = new TLatex(.93, .88, fVtxAxis->GetTitle()); | |
576 | vt->SetNDC(); | |
577 | vt->SetTextFont(132); | |
578 | vt->SetTextAlign(33); | |
579 | vt->Draw(); | |
580 | } | |
581 | // results->Draw("nostack e1 same"); | |
582 | ||
583 | fRangeParam->fSlave1Axis = FindXAxis(p1, results->GetName()); | |
584 | fRangeParam->fSlave1Pad = p1; | |
585 | ||
586 | ||
587 | // Mark the plot as preliminary | |
588 | TLatex* pt = new TLatex(.12, .93, "Preliminary"); | |
589 | pt->SetNDC(); | |
590 | pt->SetTextFont(22); | |
591 | pt->SetTextSize(0.07); | |
592 | pt->SetTextColor(kRed+1); | |
593 | pt->SetTextAlign(13); | |
594 | pt->Draw(); | |
595 | ||
596 | if (!gSystem->AccessPathName("ALICE.png")) { | |
597 | TPad* logo = new TPad("logo", "logo", .12, .65, .25, .85, 0, 0, 0); | |
598 | logo->SetFillStyle(0); | |
599 | logo->Draw(); | |
600 | logo->cd(); | |
601 | TImage* i = TImage::Create(); | |
602 | i->ReadImage("ALICE.png"); | |
603 | i->Draw(); | |
604 | } | |
605 | p1->cd(); | |
606 | } | |
607 | //__________________________________________________________________ | |
608 | /** | |
609 | * Plot the ratios | |
610 | * | |
611 | * @param ratios Ratios to plot (if any) | |
612 | * @param max Maximum diviation from 1 | |
613 | * @param y1 Lower y coordinate of pad | |
614 | * @param y2 Upper y coordinate of pad | |
615 | */ | |
616 | void PlotRatios(THStack* ratios, Double_t max, Double_t y1, Double_t y2) | |
617 | { | |
618 | if (!ratios) return; | |
619 | bool isBottom = (y1 < 0.0001); | |
620 | Double_t yd = y2 - y1; | |
621 | // Make a sub-pad for the result itself | |
622 | TPad* p2 = new TPad("p2", "p2", 0, y1, 1.0, y2, 0, 0, 0); | |
623 | p2->SetTopMargin(0.001); | |
624 | p2->SetRightMargin(0.05); | |
625 | p2->SetBottomMargin(isBottom ? 1/yd * 0.07 : 0.0001); | |
626 | p2->SetGridx(); | |
627 | p2->SetTicks(1,1); | |
628 | p2->SetNumber(2); | |
629 | p2->Draw(); | |
630 | p2->cd(); | |
631 | ||
632 | // Fix up axis | |
633 | FixAxis(ratios, 1/yd/1.7, "Ratios", 7); | |
634 | ||
635 | ratios->SetMaximum(1+TMath::Max(.22,1.05*max)); | |
636 | ratios->SetMinimum(1-TMath::Max(.32,1.05*max)); | |
637 | p2->Clear(); | |
638 | ratios->DrawClone("nostack e1"); | |
639 | ||
640 | ||
641 | // Make a legend | |
642 | TLegend* l2 = p2->BuildLegend(.15,p2->GetBottomMargin()+.01,.9, | |
643 | isBottom ? .6 : .4); | |
644 | l2->SetNColumns(2); | |
645 | l2->SetFillColor(0); | |
646 | l2->SetFillStyle(0); | |
647 | l2->SetBorderSize(0); | |
648 | l2->SetTextFont(132); | |
649 | ||
650 | // Make a nice band from 0.9 to 1.1 | |
651 | TGraphErrors* band = new TGraphErrors(2); | |
652 | band->SetPoint(0, fForwardSym->GetXaxis()->GetXmin(), 1); | |
653 | band->SetPoint(1, fForward->GetXaxis()->GetXmax(), 1); | |
654 | band->SetPointError(0, 0, .1); | |
655 | band->SetPointError(1, 0, .1); | |
656 | band->SetFillColor(kYellow+2); | |
657 | band->SetFillStyle(3002); | |
658 | band->SetLineStyle(2); | |
659 | band->SetLineWidth(1); | |
660 | band->Draw("3 same"); | |
661 | band->DrawClone("X L same"); | |
662 | ||
663 | // Replot the ratios on top | |
664 | ratios->DrawClone("nostack e1 same"); | |
665 | ||
666 | if (isBottom) { | |
667 | fRangeParam->fMasterAxis = FindXAxis(p2, ratios->GetName()); | |
668 | p2->AddExec("range", Form("RangeExec((dNdetaDrawer::RangeParam*)%p)", | |
669 | fRangeParam)); | |
670 | } | |
671 | else { | |
672 | fRangeParam->fSlave2Axis = FindXAxis(p2, ratios->GetName()); | |
673 | fRangeParam->fSlave2Pad = p2; | |
674 | } | |
675 | } | |
676 | //__________________________________________________________________ | |
677 | /** | |
678 | * Plot the asymmetries | |
679 | * | |
680 | * @param ratios Asymmetries to plot (if any) | |
681 | * @param max Maximum diviation from 1 | |
682 | * @param y1 Lower y coordinate of pad | |
683 | * @param y2 Upper y coordinate of pad | |
684 | */ | |
685 | void PlotLeftRight(THStack* leftright, Double_t max, | |
686 | Double_t y1, Double_t y2) | |
687 | { | |
688 | if (!leftright) return; | |
689 | bool isBottom = (y1 < 0.0001); | |
690 | Double_t yd = y2 - y1; | |
691 | // Make a sub-pad for the result itself | |
692 | TPad* p3 = new TPad("p3", "p3", 0, y1, 1.0, y2, 0, 0, 0); | |
693 | p3->SetTopMargin(0.001); | |
694 | p3->SetRightMargin(0.05); | |
695 | p3->SetBottomMargin(isBottom ? 1/yd * 0.07 : 0.0001); | |
696 | p3->SetGridx(); | |
697 | p3->SetTicks(1,1); | |
698 | p3->SetNumber(2); | |
699 | p3->Draw(); | |
700 | p3->cd(); | |
701 | ||
702 | TH1* dummy = 0; | |
703 | if (leftright->GetHists()->GetEntries() == 1) { | |
704 | // Add dummy histogram | |
705 | dummy = new TH1F("dummy","", 10, -6, 6); | |
706 | dummy->SetLineColor(0); | |
707 | dummy->SetFillColor(0); | |
708 | dummy->SetMarkerColor(0); | |
709 | leftright->Add(dummy); | |
710 | } | |
711 | ||
712 | // Fix up axis | |
713 | FixAxis(leftright, 1/yd/1.7, "Right/Left", 4); | |
714 | ||
715 | leftright->SetMaximum(1+TMath::Max(.12,1.05*max)); | |
716 | leftright->SetMinimum(1-TMath::Max(.15,1.05*max)); | |
717 | p3->Clear(); | |
718 | leftright->DrawClone("nostack e1"); | |
719 | ||
720 | ||
721 | // Make a legend | |
722 | TLegend* l2 = p3->BuildLegend(.15,p3->GetBottomMargin()+.01,.9,.5); | |
723 | l2->SetNColumns(2); | |
724 | l2->SetFillColor(0); | |
725 | l2->SetFillStyle(0); | |
726 | l2->SetBorderSize(0); | |
727 | l2->SetTextFont(132); | |
728 | #ifndef __CINT__ | |
729 | if (dummy) { | |
730 | TList* prims = l2->GetListOfPrimitives(); | |
731 | TIter next(prims); | |
732 | TLegendEntry* o = 0; | |
733 | while ((o = static_cast<TLegendEntry*>(next()))) { | |
734 | TString lbl(o->GetLabel()); | |
735 | if (lbl != "dummy") continue; | |
736 | prims->Remove(o); | |
737 | break; | |
738 | } | |
739 | } | |
740 | #endif | |
741 | // Make a nice band from 0.9 to 1.1 | |
742 | TGraphErrors* band = new TGraphErrors(2); | |
743 | band->SetPoint(0, fForwardSym->GetXaxis()->GetXmin(), 1); | |
744 | band->SetPoint(1, fForward->GetXaxis()->GetXmax(), 1); | |
745 | band->SetPointError(0, 0, .05); | |
746 | band->SetPointError(1, 0, .05); | |
747 | band->SetFillColor(kYellow+2); | |
748 | band->SetFillStyle(3002); | |
749 | band->SetLineStyle(2); | |
750 | band->SetLineWidth(1); | |
751 | band->Draw("3 same"); | |
752 | band->DrawClone("X L same"); | |
753 | ||
754 | leftright->DrawClone("nostack e1 same"); | |
755 | if (isBottom) { | |
756 | fRangeParam->fMasterAxis = FindXAxis(p3, leftright->GetName()); | |
757 | p3->AddExec("range", Form("RangeExec((dNdetaDrawer::RangeParam*)%p)", | |
758 | fRangeParam)); | |
759 | } | |
760 | else { | |
761 | fRangeParam->fSlave2Axis = FindXAxis(p3, leftright->GetName()); | |
762 | fRangeParam->fSlave2Pad = p3; | |
763 | } | |
764 | } | |
765 | /** @} */ | |
766 | //================================================================== | |
767 | /** | |
768 | * @{ | |
769 | * @name Data utility functions | |
770 | */ | |
771 | /** | |
772 | * Get a result from the passed list | |
773 | * | |
774 | * @param list List to search | |
775 | * @param name Object name to search for | |
776 | * | |
777 | * @return | |
778 | */ | |
779 | TH1* GetResult(TList* list, const char* name) const | |
780 | { | |
781 | if (!list) return 0; | |
782 | ||
783 | TH1* ret = static_cast<TH1*>(list->FindObject(name)); | |
784 | if (!ret) | |
785 | Warning("GetResult", "Histogram %s not found", name); | |
786 | ||
787 | return ret; | |
788 | } | |
789 | //__________________________________________________________________ | |
790 | /** | |
791 | * Get the result from previous analysis code | |
792 | * | |
793 | * @param fn File to open | |
794 | * @param nsd Whether this is NSD | |
795 | * | |
796 | * @return null or result of previous analysis code | |
797 | */ | |
798 | TH1* GetHHD() | |
799 | { | |
800 | if (fHHDFile.IsNull()) return 0; | |
801 | const char* fn = fHHDFile.Data(); | |
802 | Bool_t nsd = (fTrigString ? fTrigString->GetUniqueID() & 0x4 : false); | |
803 | TDirectory* savdir = gDirectory; | |
804 | if (gSystem->AccessPathName(fn)) { | |
805 | Warning("GetHHD", "Output of HHD analysis (%s) not available", fn); | |
806 | return 0; | |
807 | } | |
808 | TFile* file = TFile::Open(fn, "READ"); | |
809 | if (!file) { | |
810 | Warning("GetHHD", "couldn't open HHD file %s", fn); | |
811 | return 0; | |
812 | } | |
813 | TString hist(Form("dNdeta_dNdeta%s", (nsd ? "NSD" : ""))); | |
814 | TH1* h = static_cast<TH1*>(file->Get(hist.Data())); | |
815 | if (!h) { | |
816 | Warning("GetHHD", "Couldn't find HHD histogram %s in %s", | |
817 | hist.Data(), fn); | |
818 | file->Close(); | |
819 | savdir->cd(); | |
820 | return 0; | |
821 | } | |
822 | TH1* r = static_cast<TH1*>(h->Clone("dndeta_hhd")); | |
823 | r->SetTitle("ALICE Forward (HHD)"); | |
824 | r->SetFillStyle(0); | |
825 | r->SetFillColor(0); | |
826 | r->SetMarkerStyle(21); | |
827 | r->SetMarkerColor(kPink+1); | |
828 | r->SetDirectory(0); | |
829 | ||
830 | file->Close(); | |
831 | savdir->cd(); | |
832 | return r; | |
833 | } | |
834 | //__________________________________________________________________ | |
835 | /** | |
836 | * Add a histogram to the stack after possibly rebinning it | |
837 | * | |
838 | * @param stack Stack to add to | |
839 | * @param hist histogram | |
840 | * @param option Draw options | |
841 | * | |
842 | * @return Maximum of histogram | |
843 | */ | |
844 | Double_t AddHistogram(THStack* stack, TH1* hist, Option_t* option) const | |
845 | { | |
846 | // Check if we have input | |
847 | if (!hist) return 0; | |
848 | ||
849 | // Rebin if needed | |
850 | Rebin(hist); | |
851 | ||
852 | stack->Add(hist, option); | |
853 | return hist->GetMaximum(); | |
854 | } | |
855 | //__________________________________________________________________ | |
856 | /** | |
857 | * Add a histogram to the stack after possibly rebinning it | |
858 | * | |
859 | * @param stack Stack to add to | |
860 | * @param hist histogram | |
861 | * @param option Draw options | |
862 | * @param sym On return, the data symmetriced (added to stack) | |
863 | * | |
864 | * @return Maximum of histogram | |
865 | */ | |
866 | Double_t AddHistogram(THStack* stack, TH1* hist, Option_t* option, | |
867 | TH1*& sym) const | |
868 | { | |
869 | // Check if we have input | |
870 | if (!hist) return 0; | |
871 | ||
872 | // Rebin if needed | |
873 | Rebin(hist); | |
874 | stack->Add(hist, option); | |
875 | ||
876 | // Now symmetrice the histogram | |
877 | sym = Symmetrice(hist); | |
878 | stack->Add(sym, option); | |
879 | ||
880 | return hist->GetMaximum(); | |
881 | } | |
882 | ||
883 | //__________________________________________________________________ | |
884 | /** | |
885 | * Rebin a histogram | |
886 | * | |
887 | * @param h Histogram to rebin | |
888 | * @param rebin Rebinning factor | |
889 | * | |
890 | * @return | |
891 | */ | |
892 | virtual void Rebin(TH1* h) const | |
893 | { | |
894 | if (fRebin <= 1) return; | |
895 | ||
896 | Int_t nBins = h->GetNbinsX(); | |
897 | if(nBins % fRebin != 0) { | |
898 | Warning("Rebin", "Rebin factor %d is not a devisor of current number " | |
899 | "of bins %d in the histogram %s", fRebin, nBins, h->GetName()); | |
900 | return; | |
901 | } | |
902 | ||
903 | // Make a copy | |
904 | TH1* tmp = static_cast<TH1*>(h->Clone("tmp")); | |
905 | tmp->Rebin(fRebin); | |
906 | tmp->SetDirectory(0); | |
907 | ||
908 | // The new number of bins | |
909 | Int_t nBinsNew = nBins / fRebin; | |
910 | for(Int_t i = 1;i<= nBinsNew; i++) { | |
911 | Double_t content = 0; | |
912 | Double_t sumw = 0; | |
913 | Double_t wsum = 0; | |
914 | Int_t nbins = 0; | |
915 | for(Int_t j = 1; j<=fRebin;j++) { | |
916 | Int_t bin = (i-1)*fRebin + j; | |
917 | Double_t c = h->GetBinContent(bin); | |
918 | ||
919 | if (c <= 0) continue; | |
920 | ||
921 | if (fCutEdges) { | |
922 | if (h->GetBinContent(bin+1)<=0 || | |
923 | h->GetBinContent(bin-1)) { | |
924 | Warning("Rebin", "removing bin %d=%f of %s (%d=%f,%d=%f)", | |
925 | bin, c, h->GetName(), | |
926 | bin+1, h->GetBinContent(bin+1), | |
927 | bin-1, h->GetBinContent(bin-1)); | |
928 | continue; | |
929 | } | |
930 | } | |
931 | Double_t e = h->GetBinError(bin); | |
932 | Double_t w = 1 / (e*e); // 1/c/c | |
933 | content += c; | |
934 | sumw += w; | |
935 | wsum += w * c; | |
936 | nbins++; | |
937 | } | |
938 | ||
939 | if(content > 0 && nbins > 0) { | |
940 | tmp->SetBinContent(i, wsum / sumw); | |
941 | tmp->SetBinError(i,1./TMath::Sqrt(sumw)); | |
942 | } | |
943 | } | |
944 | ||
945 | // Finally, rebin the histogram, and set new content | |
946 | h->Rebin(fRebin); | |
947 | h->Reset(); | |
948 | for(Int_t i = 1; i<= nBinsNew; i++) { | |
949 | h->SetBinContent(i,tmp->GetBinContent(i)); | |
950 | h->SetBinError(i, tmp->GetBinError(i)); | |
951 | } | |
952 | ||
953 | delete tmp; | |
954 | } | |
955 | //__________________________________________________________________ | |
956 | /** | |
957 | * Make an extension of @a h to make it symmetric about 0 | |
958 | * | |
959 | * @param h Histogram to symmertrice | |
960 | * | |
961 | * @return Symmetric extension of @a h | |
962 | */ | |
963 | TH1* Symmetrice(const TH1* h) const | |
964 | { | |
965 | Int_t nBins = h->GetNbinsX(); | |
966 | TH1* s = static_cast<TH1*>(h->Clone(Form("%s_mirror", h->GetName()))); | |
967 | s->SetTitle(Form("%s (mirrored)", h->GetTitle())); | |
968 | s->Reset(); | |
969 | s->SetBins(nBins, -h->GetXaxis()->GetXmax(), -h->GetXaxis()->GetXmin()); | |
970 | s->SetMarkerColor(h->GetMarkerColor()); | |
971 | s->SetMarkerSize(h->GetMarkerSize()); | |
972 | s->SetMarkerStyle(h->GetMarkerStyle()+4); | |
973 | s->SetFillColor(h->GetFillColor()); | |
974 | s->SetFillStyle(h->GetFillStyle()); | |
975 | s->SetDirectory(0); | |
976 | ||
977 | // Find the first and last bin with data | |
978 | Int_t first = nBins+1; | |
979 | Int_t last = 0; | |
980 | for (Int_t i = 1; i <= nBins; i++) { | |
981 | if (h->GetBinContent(i) <= 0) continue; | |
982 | first = TMath::Min(first, i); | |
983 | last = TMath::Max(last, i); | |
984 | } | |
985 | ||
986 | Double_t xfirst = h->GetBinCenter(first-1); | |
987 | Int_t f1 = h->GetXaxis()->FindBin(-xfirst); | |
988 | Int_t l2 = s->GetXaxis()->FindBin(xfirst); | |
989 | for (Int_t i = f1, j=l2; i <= last; i++,j--) { | |
990 | s->SetBinContent(j, h->GetBinContent(i)); | |
991 | s->SetBinError(j, h->GetBinError(i)); | |
992 | } | |
993 | // Fill in overlap bin | |
994 | s->SetBinContent(l2+1, h->GetBinContent(first)); | |
995 | s->SetBinError(l2+1, h->GetBinError(first)); | |
996 | return s; | |
997 | } | |
998 | //__________________________________________________________________ | |
999 | /** | |
1000 | * Calculate the left-right asymmetry of input histogram | |
1001 | * | |
1002 | * @param h Input histogram | |
1003 | * @param max On return, the maximum distance from 1 of the histogram | |
1004 | * | |
1005 | * @return Asymmetry | |
1006 | */ | |
1007 | TH1* Asymmetry(TH1* h, Double_t& max) | |
1008 | { | |
1009 | if (!h) return 0; | |
1010 | ||
1011 | TH1* ret = static_cast<TH1*>(h->Clone(Form("%s_leftright", h->GetName()))); | |
1012 | // Int_t oBins = h->GetNbinsX(); | |
1013 | // Double_t high = h->GetXaxis()->GetXmax(); | |
1014 | // Double_t low = h->GetXaxis()->GetXmin(); | |
1015 | // Double_t dBin = (high - low) / oBins; | |
1016 | // Int_t tBins = Int_t(2*high/dBin+.5); | |
1017 | // ret->SetBins(tBins, -high, high); | |
1018 | ret->Reset(); | |
1019 | ret->SetTitle(Form("%s (+/-)", h->GetTitle())); | |
1020 | ret->SetYTitle("Right/Left"); | |
1021 | Int_t nBins = h->GetNbinsX(); | |
1022 | for (Int_t i = 1; i <= nBins; i++) { | |
1023 | Double_t x = h->GetBinCenter(i); | |
1024 | if (x > 0) break; | |
1025 | ||
1026 | Double_t c1 = h->GetBinContent(i); | |
1027 | Double_t e1 = h->GetBinError(i); | |
1028 | if (c1 <= 0) continue; | |
1029 | ||
1030 | Int_t j = h->FindBin(-x); | |
1031 | if (j <= 0 || j > nBins) continue; | |
1032 | ||
1033 | Double_t c2 = h->GetBinContent(j); | |
1034 | Double_t e2 = h->GetBinError(j); | |
1035 | ||
1036 | Double_t c12 = c1*c1; | |
1037 | Double_t e = TMath::Sqrt((e2*e2*c1*c1+e1*e1*c2*c2)/(c12*c12)); | |
1038 | ||
1039 | Int_t k = ret->FindBin(x); | |
1040 | ret->SetBinContent(k, c2/c1); | |
1041 | ret->SetBinError(k, e); | |
1042 | } | |
1043 | max = TMath::Max(max, RatioMax(ret)); | |
1044 | ||
1045 | return ret; | |
1046 | } | |
1047 | //__________________________________________________________________ | |
1048 | /** | |
1049 | * Transform a graph into a histogram | |
1050 | * | |
1051 | * @param g | |
1052 | * | |
1053 | * @return | |
1054 | */ | |
1055 | TH1* Graph2Hist(const TGraphAsymmErrors* g) const | |
1056 | { | |
1057 | Int_t nBins = g->GetN(); | |
1058 | TArrayF bins(nBins+1); | |
1059 | Double_t dx = 0; | |
1060 | for (Int_t i = 0; i < nBins; i++) { | |
1061 | Double_t x = g->GetX()[i]; | |
1062 | Double_t exl = g->GetEXlow()[i]; | |
1063 | Double_t exh = g->GetEXhigh()[i]; | |
1064 | bins.fArray[i] = x-exl; | |
1065 | bins.fArray[i+1] = x+exh; | |
1066 | Double_t dxi = exh+exl; | |
1067 | if (i == 0) dx = dxi; | |
1068 | else if (dxi != dx) dx = 0; | |
1069 | } | |
1070 | TString name(g->GetName()); | |
1071 | TString title(g->GetTitle()); | |
1072 | TH1D* h = 0; | |
1073 | if (dx != 0) { | |
1074 | h = new TH1D(name.Data(), title.Data(), nBins, bins[0], bins[nBins]); | |
1075 | } | |
1076 | else { | |
1077 | h = new TH1D(name.Data(), title.Data(), nBins, bins.fArray); | |
1078 | } | |
1079 | h->SetMarkerStyle(g->GetMarkerStyle()); | |
1080 | h->SetMarkerColor(g->GetMarkerColor()); | |
1081 | h->SetMarkerSize(g->GetMarkerSize()); | |
1082 | ||
1083 | return h; | |
1084 | } | |
1085 | /* @} */ | |
1086 | //================================================================== | |
1087 | /** | |
1088 | * @{ | |
1089 | * @name Ratio utility functions | |
1090 | */ | |
1091 | /** | |
1092 | * Get the maximum diviation from 1 in the passed ratio | |
1093 | * | |
1094 | * @param h Ratio histogram | |
1095 | * | |
1096 | * @return Max diviation from 1 | |
1097 | */ | |
1098 | Double_t RatioMax(TH1* h) const | |
1099 | { | |
1100 | Int_t nBins = h->GetNbinsX(); | |
1101 | Double_t ret = 0; | |
1102 | for (Int_t i = 1; i <= nBins; i++) { | |
1103 | Double_t c = h->GetBinContent(i); | |
1104 | if (c == 0) continue; | |
1105 | Double_t e = h->GetBinError(i); | |
1106 | Double_t d = TMath::Abs(1-c-e); | |
1107 | ret = TMath::Max(d, ret); | |
1108 | } | |
1109 | return ret; | |
1110 | } | |
1111 | //__________________________________________________________________ | |
1112 | /** | |
1113 | * Compute the ratio of @a h to @a g. @a g is evaluated at the bin | |
1114 | * centers of @a h | |
1115 | * | |
1116 | * @param h Numerator | |
1117 | * @param g Divisor | |
1118 | * | |
1119 | * @return h/g | |
1120 | */ | |
1121 | TH1* Ratio(const TH1* h, const TGraph* g, Double_t& max) const | |
1122 | { | |
1123 | if (!h || !g) return 0; | |
1124 | ||
1125 | TH1* ret = static_cast<TH1*>(h->Clone("tmp")); | |
1126 | ret->SetName(Form("%s_over_%s", h->GetName(), g->GetName())); | |
1127 | ret->SetTitle(Form("%s / %s", h->GetTitle(), g->GetTitle())); | |
1128 | ret->Reset(); | |
1129 | ret->SetMarkerStyle(g->GetMarkerStyle()); | |
1130 | ret->SetMarkerColor(h->GetMarkerColor()); | |
1131 | ret->SetMarkerSize(0.9*g->GetMarkerSize()); | |
1132 | Double_t xlow = g->GetX()[0]; | |
1133 | Double_t xhigh = g->GetX()[g->GetN()-1]; | |
1134 | if (xlow > xhigh) { Double_t t = xhigh; xhigh = xlow; xlow = t; } | |
1135 | ||
1136 | for (Int_t i = 1; i <= h->GetNbinsX(); i++) { | |
1137 | Double_t c = h->GetBinContent(i); | |
1138 | if (c <= 0) continue; | |
1139 | ||
1140 | Double_t x = h->GetBinCenter(i); | |
1141 | if (x < xlow || x > xhigh) continue; | |
1142 | ||
1143 | Double_t f = g->Eval(x); | |
1144 | if (f <= 0) continue; | |
1145 | ||
1146 | ret->SetBinContent(i, c / f); | |
1147 | ret->SetBinError(i, h->GetBinError(i) / f); | |
1148 | } | |
1149 | if (ret->GetEntries() <= 0) { | |
1150 | delete ret; | |
1151 | ret = 0; | |
1152 | } | |
1153 | else | |
1154 | max = TMath::Max(RatioMax(ret), max); | |
1155 | return ret; | |
1156 | } | |
1157 | //__________________________________________________________________ | |
1158 | /** | |
1159 | * Make the ratio of h1 to h2 | |
1160 | * | |
1161 | * @param h1 First histogram (numerator) | |
1162 | * @param h2 Second histogram (denominator) | |
1163 | * | |
1164 | * @return h1 / h2 | |
1165 | */ | |
1166 | TH1* Ratio(const TH1* h1, const TH1* h2, Double_t& max) const | |
1167 | { | |
1168 | if (!h1 || !h2) return 0; | |
1169 | TH1* t1 = static_cast<TH1*>(h1->Clone(Form("%s_%s", | |
1170 | h1->GetName(), | |
1171 | h2->GetName()))); | |
1172 | t1->SetTitle(Form("%s / %s", h1->GetTitle(), h2->GetTitle())); | |
1173 | t1->Divide(h2); | |
1174 | t1->SetMarkerColor(h1->GetMarkerColor()); | |
1175 | t1->SetMarkerStyle(h2->GetMarkerStyle()); | |
1176 | max = TMath::Max(RatioMax(t1), max); | |
1177 | return t1; | |
1178 | } | |
1179 | //__________________________________________________________________ | |
1180 | /** | |
1181 | * Calculate the ratio of two graphs - g1 / g2 | |
1182 | * | |
1183 | * @param g1 Numerator | |
1184 | * @param g2 Denominator | |
1185 | * | |
1186 | * @return g1 / g2 in a histogram | |
1187 | */ | |
1188 | TH1* Ratio(const TGraphAsymmErrors* g1, | |
1189 | const TGraphAsymmErrors* g2, Double_t& max) const | |
1190 | { | |
1191 | Int_t nBins = g1->GetN(); | |
1192 | TArrayF bins(nBins+1); | |
1193 | Double_t dx = 0; | |
1194 | for (Int_t i = 0; i < nBins; i++) { | |
1195 | Double_t x = g1->GetX()[i]; | |
1196 | Double_t exl = g1->GetEXlow()[i]; | |
1197 | Double_t exh = g1->GetEXhigh()[i]; | |
1198 | bins.fArray[i] = x-exl; | |
1199 | bins.fArray[i+1] = x+exh; | |
1200 | Double_t dxi = exh+exl; | |
1201 | if (i == 0) dx = dxi; | |
1202 | else if (dxi != dx) dx = 0; | |
1203 | } | |
1204 | TString name(Form("%s_%s", g1->GetName(), g2->GetName())); | |
1205 | TString title(Form("%s / %s", g1->GetTitle(), g2->GetTitle())); | |
1206 | TH1* h = 0; | |
1207 | if (dx != 0) { | |
1208 | h = new TH1F(name.Data(), title.Data(), nBins, bins[0], bins[nBins]); | |
1209 | } | |
1210 | else { | |
1211 | h = new TH1F(name.Data(), title.Data(), nBins, bins.fArray); | |
1212 | } | |
1213 | h->SetMarkerStyle(g2->GetMarkerStyle()); | |
1214 | h->SetMarkerColor(g1->GetMarkerColor()); | |
1215 | h->SetMarkerSize(0.9*g2->GetMarkerSize()); | |
1216 | ||
1217 | Double_t low = g2->GetX()[0]; | |
1218 | Double_t high = g2->GetX()[g2->GetN()-1]; | |
1219 | if (low > high) { Double_t t = low; low = high; high = t; } | |
1220 | for (Int_t i = 0; i < nBins; i++) { | |
1221 | Double_t x = g1->GetX()[i]; | |
1222 | if (x < low-dx || x > high+dx) continue; | |
1223 | Double_t c1 = g1->GetY()[i]; | |
1224 | Double_t e1 = g1->GetErrorY(i); | |
1225 | Double_t c2 = g2->Eval(x); | |
1226 | ||
1227 | h->SetBinContent(i+1, c1 / c2); | |
1228 | h->SetBinError(i+1, e1 / c2); | |
1229 | } | |
1230 | max = TMath::Max(RatioMax(h), max); | |
1231 | return h; | |
1232 | } | |
1233 | /* @} */ | |
1234 | //================================================================== | |
1235 | /** | |
1236 | * @{ | |
1237 | * @name Graphics utility functions | |
1238 | */ | |
1239 | /** | |
1240 | * Find an X axis in a pad | |
1241 | * | |
1242 | * @param p Pad | |
1243 | * @param name Histogram to find axis for | |
1244 | * | |
1245 | * @return Found axis or null | |
1246 | */ | |
1247 | TAxis* FindXAxis(TVirtualPad* p, const char* name) | |
1248 | { | |
1249 | TObject* o = p->GetListOfPrimitives()->FindObject(name); | |
1250 | if (!o) { | |
1251 | Warning("FindXAxis", "%s not found in pad", name); | |
1252 | return 0; | |
1253 | } | |
1254 | THStack* stack = dynamic_cast<THStack*>(o); | |
1255 | if (!stack) { | |
1256 | Warning("FindXAxis", "%s is not a THStack", name); | |
1257 | return 0; | |
1258 | } | |
1259 | if (!stack->GetHistogram()) { | |
1260 | Warning("FindXAxis", "%s has no histogram", name); | |
1261 | return 0; | |
1262 | } | |
1263 | TAxis* ret = stack->GetHistogram()->GetXaxis(); | |
1264 | return ret; | |
1265 | } | |
1266 | ||
1267 | //__________________________________________________________________ | |
1268 | /** | |
1269 | * Fix the apperance of the axis in a stack | |
1270 | * | |
1271 | * @param stack stack of histogram | |
1272 | * @param s Scaling factor | |
1273 | * @param ytitle Y axis title | |
1274 | * @param force Whether to draw the stack first or not | |
1275 | * @param ynDiv Divisions on Y axis | |
1276 | */ | |
1277 | void FixAxis(THStack* stack, Double_t s, const char* ytitle, | |
1278 | Int_t ynDiv=210, Bool_t force=true) | |
1279 | { | |
1280 | if (force) stack->Draw("nostack e1"); | |
1281 | ||
1282 | TH1* h = stack->GetHistogram(); | |
1283 | if (!h) return; | |
1284 | ||
1285 | h->SetXTitle("#eta"); | |
1286 | h->SetYTitle(ytitle); | |
1287 | TAxis* xa = h->GetXaxis(); | |
1288 | TAxis* ya = h->GetYaxis(); | |
1289 | if (xa) { | |
1290 | xa->SetTitle("#eta"); | |
1291 | // xa->SetTicks("+-"); | |
1292 | xa->SetTitleSize(s*xa->GetTitleSize()); | |
1293 | xa->SetLabelSize(s*xa->GetLabelSize()); | |
1294 | xa->SetTickLength(s*xa->GetTickLength()); | |
1295 | } | |
1296 | if (ya) { | |
1297 | ya->SetTitle(ytitle); | |
1298 | ya->SetDecimals(); | |
1299 | // ya->SetTicks("+-"); | |
1300 | ya->SetNdivisions(ynDiv); | |
1301 | ya->SetTitleSize(s*ya->GetTitleSize()); | |
1302 | ya->SetTitleOffset(ya->GetTitleOffset()/s); | |
1303 | ya->SetLabelSize(s*ya->GetLabelSize()); | |
1304 | } | |
1305 | } | |
1306 | /* @} */ | |
1307 | ||
1308 | ||
1309 | ||
1310 | //__________________________________________________________________ | |
1311 | Bool_t fShowOthers; // Show other data | |
1312 | Bool_t fShowAlice; // Show ALICE published data | |
1313 | Bool_t fShowRatios; // Show ratios | |
1314 | Bool_t fShowLeftRight;// Show asymmetry | |
1315 | UShort_t fRebin; // Rebinning factor | |
1316 | Bool_t fCutEdges; // Whether to cut edges | |
1317 | TString fTitle; // Title on plot | |
1318 | TString fHHDFile; // File name of old results | |
1319 | TNamed* fTrigString; // Trigger string (read, or set) | |
1320 | TNamed* fSNNString; // Energy string (read, or set) | |
1321 | TNamed* fSysString; // Collision system string (read or set) | |
1322 | TAxis* fVtxAxis; // Vertex cuts (read or set) | |
1323 | TH1* fForward; // Results | |
1324 | TH1* fForwardMC; // MC results | |
1325 | TH1* fForwardHHD; // Old results | |
1326 | TH1* fTruth; // MC truth | |
1327 | TH1* fCentral; // Central region data | |
1328 | TH1* fForwardSym; // Symmetric extension | |
1329 | TH1* fForwardMCSym; // Symmetric extension | |
1330 | TH1* fForwardHHDSym;// Symmetric extension | |
1331 | TH1* fTriggers; // Number of triggers | |
1332 | RangeParam* fRangeParam; // Parameter object for range zoom | |
1333 | ||
1334 | }; | |
1335 | ||
1336 | //=== Stuff for auto zooming ========================================= | |
1337 | void UpdateRange(dNdetaDrawer::RangeParam* p) | |
1338 | { | |
1339 | if (!p) { | |
1340 | Warning("UpdateRange", "No parameters %p", p); | |
1341 | return; | |
1342 | } | |
1343 | if (!p->fMasterAxis) { | |
1344 | Warning("UpdateRange", "No master axis %p", p->fMasterAxis); | |
1345 | return; | |
1346 | } | |
1347 | Int_t first = p->fMasterAxis->GetFirst(); | |
1348 | Int_t last = p->fMasterAxis->GetLast(); | |
1349 | Double_t x1 = p->fMasterAxis->GetBinCenter(first); | |
1350 | Double_t x2 = p->fMasterAxis->GetBinCenter(last); | |
1351 | //Info("UpdateRange", "Range set to [%3d,%3d]->[%f,%f]", first, last, x1,x2); | |
1352 | ||
1353 | if (p->fSlave1Axis) { | |
1354 | Int_t i1 = p->fSlave1Axis->FindBin(x1); | |
1355 | Int_t i2 = p->fSlave1Axis->FindBin(x2); | |
1356 | p->fSlave1Axis->SetRange(i1, i2); | |
1357 | p->fSlave1Pad->Modified(); | |
1358 | p->fSlave1Pad->Update(); | |
1359 | } | |
1360 | if (p->fSlave2Axis) { | |
1361 | Int_t i1 = p->fSlave2Axis->FindBin(x1); | |
1362 | Int_t i2 = p->fSlave2Axis->FindBin(x2); | |
1363 | p->fSlave2Axis->SetRange(i1, i2); | |
1364 | p->fSlave2Pad->Modified(); | |
1365 | p->fSlave2Pad->Update(); | |
1366 | } | |
1367 | TCanvas* c = gPad->GetCanvas(); | |
1368 | c->cd(); | |
1369 | } | |
1370 | ||
1371 | //____________________________________________________________________ | |
1372 | void RangeExec(dNdetaDrawer::RangeParam* p) | |
1373 | { | |
1374 | // Event types: | |
1375 | // 51: Mouse move | |
1376 | // 53: | |
1377 | // 1: Button down | |
1378 | // 21: Mouse drag | |
1379 | // 11: Mouse release | |
1380 | // dNdetaDrawer::RangeParam* p = | |
1381 | // reinterpret_cast<dNdetaDrawer::RangeParam*>(addr); | |
1382 | Int_t event = gPad->GetEvent(); | |
1383 | TObject *select = gPad->GetSelected(); | |
1384 | if (event == 53) { | |
1385 | UpdateRange(p); | |
1386 | return; | |
1387 | } | |
1388 | if (event != 11 || !select || select != p->fMasterAxis) return; | |
1389 | UpdateRange(p); | |
1390 | } | |
1391 | ||
1392 | //=== Steering function ============================================== | |
1393 | void | |
1394 | DrawdNdeta(const char* filename="forward_dndeta.root", | |
1395 | Int_t flags=0xf, | |
1396 | const char* title="", | |
1397 | UShort_t rebin=5, | |
1398 | Bool_t cutEdges=false) | |
1399 | { | |
1400 | dNdetaDrawer d; | |
1401 | d.SetRebin(rebin); | |
1402 | d.SetCutEdges(cutEdges); | |
1403 | d.SetTitle(title); | |
1404 | d.SetHHDFile(""); | |
1405 | d.SetShowOthers(flags & 0x1); | |
1406 | d.SetShowAlice(flags & 0x2); | |
1407 | d.SetShowRatios(flags & 0x4); | |
1408 | d.SetShowLeftRight(flags & 0x8); | |
1409 | // Do the below if your input data does not contain these settings | |
1410 | // d.SetSNN(900); // Collision energy per nucleon pair (GeV) | |
1411 | // d.SetSys(1); // Collision system (1:pp, 2:PbPB) | |
1412 | // d.SetTrigger(1); // Collision trigger (1:INEL, 2:INEL>0, 4:NSD) | |
1413 | // d.SetVertexRange(-10,10); // Collision vertex range (cm) | |
1414 | d.Run(filename); | |
1415 | } | |
1416 | //____________________________________________________________________ | |
1417 | // | |
1418 | // EOF | |
1419 | // | |
1420 |