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7c1a1f1d | 1 | /** |
2 | * @file | |
3 | * | |
4 | * @ingroup pwg2_forward_scripts | |
5 | */ | |
7e4038b5 | 6 | #include <TH1D.h> |
7 | #include <TH2D.h> | |
8 | #include <TCanvas.h> | |
9 | #include <TPad.h> | |
10 | #include <TFile.h> | |
11 | #include <TTree.h> | |
95985fc4 | 12 | #include <TChain.h> |
7e4038b5 | 13 | #include <TError.h> |
95985fc4 | 14 | #include <TSystemDirectory.h> |
15 | #include <TROOT.h> | |
7e4038b5 | 16 | #include <TStyle.h> |
17 | #include <THStack.h> | |
18 | #include <TLegend.h> | |
19 | #include <TMath.h> | |
20 | #include <TMultiGraph.h> | |
21 | #include <TGraph.h> | |
22 | #include <TGraphErrors.h> | |
23 | #include <TLatex.h> | |
65a1e0cd | 24 | #include <TSystem.h> |
7e4038b5 | 25 | #include "AliAODForwardMult.h" |
26 | #include "OtherData.C" | |
27 | ||
28 | /** | |
29 | * Draw the data stored in the AOD | |
30 | * | |
31 | * To use this, do | |
32 | * | |
33 | * @code | |
34 | * Root> .L $ALICE_ROOT/PWG2/FORWARD/analysis2/Compile.C | |
270764db | 35 | * Root> Compile("$ALICE_ROOT/PWG2/FORWARD/analysis2/AnalyseAOD.C") |
36 | * Root> AnalyseAOD dr | |
7e4038b5 | 37 | * Root> dr.Run("AliAODs.root",-10,10,5,AliAODForwardMult::kInel,900) |
38 | * @endcode | |
39 | * | |
40 | * The output is stored in a ROOT file | |
41 | * | |
42 | * See also the script Pass2.C | |
43 | * | |
7c1a1f1d | 44 | * @ingroup pwg2_forward_scripts |
7e4038b5 | 45 | */ |
270764db | 46 | struct AnalyseAOD |
7e4038b5 | 47 | { |
48 | public: | |
49 | /** AOD tree */ | |
50 | TTree* fTree; | |
51 | /** AOD object */ | |
52 | AliAODForwardMult* fAOD; | |
270764db | 53 | /** AOD object */ |
54 | AliAODForwardMult* fMCAOD; | |
7e4038b5 | 55 | /** Output file */ |
56 | TFile* fOut; | |
57 | /** Summed histogram */ | |
58 | TH2D* fSum; | |
270764db | 59 | /** Summed histogram */ |
60 | TH2D* fMCSum; | |
4cbdf467 | 61 | /** Primary information */ |
62 | TH2D* fPrimary; | |
63 | /** Sum primary information */ | |
64 | TH2D* fSumPrimary; | |
3a08cca0 | 65 | /** Central region */ |
66 | TH2D* fCentral; | |
67 | /** Central region */ | |
68 | TH2D* fSumCentral; | |
7e4038b5 | 69 | /** Vertex efficiency */ |
70 | Double_t fVtxEff; | |
71 | /** Title to put on the plot */ | |
72 | TString fTitle; | |
f4494b7a | 73 | /** Do HHD comparison */ |
74 | Bool_t fDoHHD; | |
4cbdf467 | 75 | /** Number of events with a trigger */ |
76 | Int_t fNTriggered; | |
77 | /** Number of events with a vertex */ | |
78 | Int_t fNWithVertex; | |
79 | /** Number of events accepted */ | |
80 | Int_t fNAccepted; | |
e333578d | 81 | /** Number of events accepted */ |
82 | Int_t fNAll; | |
1174780f | 83 | /** Min vertex */ |
84 | Double_t fVtxMin; | |
85 | /** Max vertex */ | |
86 | Double_t fVtxMax; | |
87 | ||
e333578d | 88 | |
7e4038b5 | 89 | //__________________________________________________________________ |
90 | /** | |
91 | * Constructor | |
92 | * | |
93 | */ | |
270764db | 94 | AnalyseAOD() |
7e4038b5 | 95 | : fTree(0), |
96 | fAOD(0), | |
270764db | 97 | fMCAOD(0), |
7e4038b5 | 98 | fOut(0), |
99 | fSum(0), | |
270764db | 100 | fMCSum(0), |
4cbdf467 | 101 | fPrimary(0), |
102 | fSumPrimary(0), | |
3a08cca0 | 103 | fCentral(0), |
104 | fSumCentral(0), | |
7e4038b5 | 105 | fVtxEff(0), |
f4494b7a | 106 | fTitle(""), |
107 | fDoHHD(kTRUE) | |
7e4038b5 | 108 | {} |
109 | //__________________________________________________________________ | |
110 | /** | |
111 | * Reset internal structures | |
112 | * | |
113 | */ | |
114 | void Clear(Option_t* ) | |
115 | { | |
116 | if (fTree && fTree->GetCurrentFile()) { | |
117 | fTree->GetCurrentFile()->Close(); | |
118 | delete fTree; | |
119 | } | |
120 | if (fOut) { | |
121 | fOut->Close(); | |
122 | delete fOut; | |
123 | } | |
4cbdf467 | 124 | if (fSum) delete fSum; |
125 | if (fMCSum) delete fMCSum; | |
126 | if (fSumPrimary) delete fSumPrimary; | |
3a08cca0 | 127 | if (fCentral) delete fCentral; |
128 | if (fSumCentral) delete fSumCentral; | |
4cbdf467 | 129 | fTree = 0; |
130 | fOut = 0; | |
131 | fSum = 0; | |
132 | fMCSum = 0; | |
3a08cca0 | 133 | fPrimary = 0; |
4cbdf467 | 134 | fSumPrimary = 0; |
3a08cca0 | 135 | fCentral = 0; |
136 | fSumCentral = 0; | |
4cbdf467 | 137 | fVtxEff = 0; |
7e4038b5 | 138 | |
139 | } | |
140 | //__________________________________________________________________ | |
141 | /** | |
142 | * Run | |
143 | * | |
95985fc4 | 144 | * @param file Input path for files with AOD trees |
7e4038b5 | 145 | * @param vzMin Minimum interaction point z coordinate |
146 | * @param vzMax Maximum interaction point z coordinate | |
147 | * @param rebin How many times to re-bin the @f$ dN_{ch}/d\eta@f$ | |
148 | * @param mask Trigger mask | |
149 | * @param energy Collision energy @f$ \sqrt{s}@f$ or @f$\sqrt{s_{NN}}@f$ | |
150 | * @param title Title to put on the plot | |
c389303e | 151 | * @param doHHD Whether to do HHD comparison |
152 | * @param doComp Whether to do comparisons | |
7e4038b5 | 153 | * |
154 | * @return True on success, false otherwise | |
155 | */ | |
95985fc4 | 156 | Bool_t Run(const char* file=".", |
7e4038b5 | 157 | Double_t vzMin=-10, Double_t vzMax=10, Int_t rebin=1, |
158 | Int_t mask=AliAODForwardMult::kInel, Int_t energy=900, | |
f4494b7a | 159 | const char* title="", Bool_t doHHD=false, Bool_t doComp=false) |
7e4038b5 | 160 | { |
161 | TString trgName; | |
162 | if (mask & AliAODForwardMult::kInel) trgName.Append("inel-"); | |
163 | if (mask & AliAODForwardMult::kInelGt0) trgName.Append("inelgt0-"); | |
164 | if (mask & AliAODForwardMult::kNSD) trgName.Append("nsd-"); | |
165 | if (trgName.EndsWith("-")) trgName.Remove(trgName.Length()-1); | |
166 | if (trgName.IsNull()) trgName = "unknown"; | |
167 | TString outName = | |
168 | TString::Format("dndeta_%04dGeV_%c%02d-%c%02dcm_rb%02d_%s.root", | |
169 | energy, | |
170 | vzMin < 0 ? 'm' : 'p', Int_t(TMath::Abs(vzMin)+.5), | |
171 | vzMax < 0 ? 'm' : 'p', Int_t(TMath::Abs(vzMax)+.5), | |
172 | rebin, trgName.Data()); | |
1174780f | 173 | fTitle = title; |
174 | fVtxMin = vzMin; | |
175 | fVtxMax = vzMax; | |
7e4038b5 | 176 | if (!Open(file, outName)) return kFALSE; |
1174780f | 177 | if (!Process(mask)) return kFALSE; |
f4494b7a | 178 | if (!Finish(rebin, mask, energy,doHHD,doComp)) return kFALSE; |
7e4038b5 | 179 | |
180 | return kTRUE; | |
181 | } | |
95985fc4 | 182 | //__________________________________________________________________ |
183 | /** | |
184 | * Scan directory @a dir for AODs | |
185 | * | |
186 | * @param dir Directory to scan | |
187 | * @param chain Chain to add to | |
188 | * @param recursive Whether to scan recusively | |
189 | */ | |
190 | void ScanDirectory(TSystemDirectory* dir, TChain* chain, bool recursive) | |
191 | { | |
cc83fca2 | 192 | // gROOT->IndentLevel(); |
193 | // printf("Scanning %s ...\n", dir->GetName()); | |
194 | // gROOT->IncreaseDirLevel(); | |
95985fc4 | 195 | |
196 | // Get list of files, and go back to old working directory | |
197 | TString oldDir(gSystem->WorkingDirectory()); | |
198 | TList* files = dir->GetListOfFiles(); | |
199 | gSystem->ChangeDirectory(oldDir); | |
200 | ||
201 | // Sort list of files and check if we should add it | |
202 | files->Sort(); | |
203 | TIter next(files); | |
204 | TSystemFile* file = 0; | |
205 | while ((file = static_cast<TSystemFile*>(next()))) { | |
206 | TString name(file->GetName()); | |
207 | ||
208 | // Ignore special links | |
209 | if (name == "." || name == "..") continue; | |
210 | ||
211 | // Check if this is a directory | |
212 | if (file->IsDirectory()) { | |
213 | if (recursive) | |
214 | ScanDirectory(static_cast<TSystemDirectory*>(file),chain,recursive); | |
215 | continue; | |
216 | } | |
217 | ||
218 | // If this is not a root file, ignore | |
219 | if (!name.EndsWith(".root")) continue; | |
220 | ||
221 | // If this file does not contain AliESDs, ignore | |
222 | if (!name.Contains("AliAOD")) continue; | |
223 | ||
224 | // Get the path | |
225 | TString aod(Form("%s/%s", file->GetTitle(), name.Data())); | |
226 | ||
227 | // Print and add | |
cc83fca2 | 228 | // gROOT->IndentLevel(); |
229 | // printf("adding %s\n", aod.Data()); | |
95985fc4 | 230 | chain->Add(aod); |
231 | ||
232 | } | |
cc83fca2 | 233 | // gROOT->DecreaseDirLevel(); |
95985fc4 | 234 | } |
235 | ||
236 | //__________________________________________________________________ | |
237 | /** | |
238 | * Make a chain of AOD files | |
239 | * | |
240 | * @param aoddir Directory so search | |
241 | * @param recursive Whether to scan recusively | |
242 | * | |
243 | * @return The new chain | |
244 | */ | |
245 | TChain* | |
246 | MakeChain(const char* aoddir, bool recursive=false) | |
247 | { | |
248 | // --- Our data chain ---------------------------------------------- | |
249 | TChain* chain = new TChain("aodTree"); | |
250 | ||
251 | // --- Get list of AODs -------------------------------------------- | |
252 | // Open source directory, and make sure we go back to were we were | |
253 | TString oldDir(gSystem->WorkingDirectory()); | |
254 | TSystemDirectory d(aoddir, aoddir); | |
255 | ScanDirectory(&d, chain, recursive); | |
256 | ||
257 | chain->GetListOfFiles()->ls(); | |
258 | if (chain->GetListOfFiles()->GetEntries() <= 0) { | |
259 | delete chain; | |
260 | chain = 0; | |
261 | } | |
262 | return chain; | |
263 | } | |
264 | ||
265 | //__________________________________________________________________ | |
266 | /** | |
267 | * Open data. Make a chain of all AOD files in the given path | |
268 | * and below. | |
269 | * | |
270 | * @param path Path to search | |
271 | * @param outname Output name | |
272 | * | |
273 | * @return | |
274 | */ | |
275 | Bool_t Open(const char* path, const char* outname) | |
276 | { | |
277 | Clear(""); | |
278 | ||
279 | // Get the AOD tree | |
280 | fTree = MakeChain(path, true); | |
281 | if (!fTree) { | |
282 | Error("Init", "Couldn't get the tree"); | |
283 | return kFALSE; | |
284 | } | |
285 | ||
286 | // Set the branch pointer | |
287 | fTree->SetBranchAddress("Forward", &fAOD); | |
288 | ||
289 | // Set the branch pointer | |
cc83fca2 | 290 | if (fTree->GetBranch("ForwardMC")) |
291 | fTree->SetBranchAddress("ForwardMC", &fMCAOD); | |
95985fc4 | 292 | |
293 | // Set the branch pointer | |
cc83fca2 | 294 | if (fTree->GetBranch("primary")) |
295 | fTree->SetBranchAddress("primary", &fPrimary); | |
3a08cca0 | 296 | |
297 | // Set branch pointer | |
298 | if (fTree->GetBranch("Central")) | |
299 | fTree->SetBranchAddress("Central", &fCentral); | |
95985fc4 | 300 | |
301 | fOut = TFile::Open(outname, "RECREATE"); | |
302 | if (!fOut) { | |
303 | Error("Open", "Couldn't open %s", outname); | |
304 | return kFALSE; | |
305 | } | |
306 | return kTRUE; | |
307 | ||
308 | } | |
309 | ||
310 | #if 0 | |
7e4038b5 | 311 | //__________________________________________________________________ |
312 | /** | |
313 | * Open the files @a fname containg the tree with AliAODEvent objects, | |
314 | * and also open the output file @a outname for writting. | |
315 | * | |
316 | * @param fname Input file name | |
317 | * @param outname Output file name | |
318 | * | |
319 | * @return true on success, false otherwise | |
320 | */ | |
321 | Bool_t Open(const char* fname, const char* outname) | |
322 | { | |
323 | Clear(""); | |
324 | ||
325 | TFile* file = TFile::Open(fname, "READ"); | |
326 | if (!file) { | |
327 | Error("Open", "Cannot open file %s", fname); | |
328 | return kFALSE; | |
329 | } | |
330 | ||
331 | // Get the AOD tree | |
332 | fTree = static_cast<TTree*>(file->Get("aodTree")); | |
333 | if (!fTree) { | |
334 | Error("Init", "Couldn't get the tree"); | |
335 | return kFALSE; | |
336 | } | |
337 | ||
338 | // Set the branch pointer | |
339 | fTree->SetBranchAddress("Forward", &fAOD); | |
340 | ||
270764db | 341 | // Set the branch pointer |
95985fc4 | 342 | if (fTree->GetBranch("ForwardMC")) |
343 | fTree->SetBranchAddress("ForwardMC", &fMCAOD); | |
270764db | 344 | |
4cbdf467 | 345 | // Set the branch pointer |
95985fc4 | 346 | if (fTree->GetBranch("primary")) |
347 | fTree->SetBranchAddress("primary", &fPrimary); | |
4cbdf467 | 348 | |
7e4038b5 | 349 | fOut = TFile::Open(outname, "RECREATE"); |
350 | if (!fOut) { | |
351 | Error("Open", "Couldn't open %s", outname); | |
352 | return kFALSE; | |
353 | } | |
354 | return kTRUE; | |
355 | } | |
95985fc4 | 356 | #endif |
357 | ||
7e4038b5 | 358 | //__________________________________________________________________ |
359 | /** | |
360 | * Process the events | |
361 | * | |
362 | * @param vzMin Minimum interaction point z coordinate | |
363 | * @param vzMax Maximum interaction point z coordinate | |
364 | * @param mask Trigger mask | |
365 | * | |
366 | * @return true on success, false otherwise | |
367 | */ | |
1174780f | 368 | Bool_t Process(Int_t mask) |
7e4038b5 | 369 | { |
4cbdf467 | 370 | fNTriggered = 0; // # of triggered ev. |
371 | fNWithVertex = 0; // # of ev. w/vertex | |
372 | fNAccepted = 0; // # of ev. used | |
fa4236ed | 373 | Int_t nAvailable = fTree->GetEntries(); // How many entries |
7e4038b5 | 374 | |
375 | for (int i = 0; i < nAvailable; i++) { | |
376 | fTree->GetEntry(i); | |
65a1e0cd | 377 | if (((i+1) % 100) == 0) { |
378 | fprintf(stdout,"Event # %9d of %9d, %9d accepted so far\r", | |
4cbdf467 | 379 | i+1, nAvailable, fNAccepted); |
65a1e0cd | 380 | fflush(stdout); |
381 | } | |
7e4038b5 | 382 | |
383 | // Create sum histogram on first event - to match binning to input | |
384 | if (!fSum) { | |
385 | fSum = static_cast<TH2D*>(fAOD->GetHistogram().Clone("d2ndetadphi")); | |
386 | Info("Process", "Created sum histogram (%d,%f,%f)x(%d,%f,%f)", | |
387 | fSum->GetNbinsX(), | |
388 | fSum->GetXaxis()->GetXmin(), | |
389 | fSum->GetXaxis()->GetXmax(), | |
390 | fSum->GetNbinsY(), | |
391 | fSum->GetYaxis()->GetXmin(), | |
392 | fSum->GetYaxis()->GetXmax()); | |
393 | } | |
270764db | 394 | if (!fMCSum && fTree->GetBranch("ForwardMC")) { |
395 | fMCSum = | |
396 | static_cast<TH2D*>(fMCAOD->GetHistogram().Clone("d2ndetadphiMC")); | |
397 | Info("Process", "Created MC sum histogram (%d,%f,%f)x(%d,%f,%f)", | |
398 | fMCSum->GetNbinsX(), | |
399 | fMCSum->GetXaxis()->GetXmin(), | |
400 | fMCSum->GetXaxis()->GetXmax(), | |
401 | fMCSum->GetNbinsY(), | |
402 | fMCSum->GetYaxis()->GetXmin(), | |
403 | fMCSum->GetYaxis()->GetXmax()); | |
404 | } | |
4cbdf467 | 405 | if (!fSumPrimary && fTree->GetBranch("primary")) { |
406 | fSumPrimary = | |
407 | static_cast<TH2D*>(fPrimary->Clone("primarySum")); | |
408 | Info("Process", "Created MC truth histogram (%d,%f,%f)x(%d,%f,%f)", | |
3a08cca0 | 409 | fSumPrimary->GetNbinsX(), |
410 | fSumPrimary->GetXaxis()->GetXmin(), | |
411 | fSumPrimary->GetXaxis()->GetXmax(), | |
412 | fSumPrimary->GetNbinsY(), | |
413 | fSumPrimary->GetYaxis()->GetXmin(), | |
414 | fSumPrimary->GetYaxis()->GetXmax()); | |
415 | } | |
416 | if (!fSumCentral && fTree->GetBranch("Central")) { | |
417 | fSumCentral = | |
418 | static_cast<TH2D*>(fCentral->Clone("centralSum")); | |
419 | Info("Process", "Created Cental histogram (%d,%f,%f)x(%d,%f,%f)", | |
420 | fSumCentral->GetNbinsX(), | |
421 | fSumCentral->GetXaxis()->GetXmin(), | |
422 | fSumCentral->GetXaxis()->GetXmax(), | |
423 | fSumCentral->GetNbinsY(), | |
424 | fSumCentral->GetYaxis()->GetXmin(), | |
425 | fSumCentral->GetYaxis()->GetXmax()); | |
4cbdf467 | 426 | } |
e333578d | 427 | |
428 | // Add contribution from this event | |
429 | if (fSumPrimary) fSumPrimary->Add(fPrimary); | |
430 | ||
431 | fNAll++; | |
432 | ||
7e4038b5 | 433 | // fAOD->Print(); |
434 | // Other trigger/event requirements could be defined | |
435 | if (!fAOD->IsTriggerBits(mask)) continue; | |
4cbdf467 | 436 | fNTriggered++; |
fa4236ed | 437 | |
438 | // Check if there's a vertex | |
439 | if (!fAOD->HasIpZ()) continue; | |
4cbdf467 | 440 | fNWithVertex++; |
fa4236ed | 441 | |
7e4038b5 | 442 | // Select vertex range (in centimeters) |
1174780f | 443 | if (!fAOD->InRange(fVtxMin, fVtxMax)) continue; |
4cbdf467 | 444 | fNAccepted++; |
7e4038b5 | 445 | |
446 | // Add contribution from this event | |
447 | fSum->Add(&(fAOD->GetHistogram())); | |
270764db | 448 | |
449 | // Add contribution from this event | |
450 | if (fMCSum) fMCSum->Add(&(fMCAOD->GetHistogram())); | |
4cbdf467 | 451 | |
3a08cca0 | 452 | // Add contribution from this event |
453 | if (fSumCentral) fSumCentral->Add(fCentral); | |
7e4038b5 | 454 | } |
65a1e0cd | 455 | printf("\n"); |
4cbdf467 | 456 | fVtxEff = Double_t(fNWithVertex)/fNTriggered; |
7e4038b5 | 457 | |
fa4236ed | 458 | Info("Process", "Total of %9d events\n" |
459 | " %9d has a trigger\n" | |
460 | " %9d has a vertex\n" | |
461 | " %9d was used\n", | |
4cbdf467 | 462 | nAvailable, fNTriggered, fNWithVertex, fNAccepted); |
7e4038b5 | 463 | |
464 | return kTRUE; | |
465 | } | |
466 | //__________________________________________________________________ | |
467 | /** | |
468 | * Finish the stuff and draw | |
469 | * | |
470 | * @param rebin How many times to rebin | |
471 | * @param energy Collision energy | |
472 | * @param mask Trigger mask | |
c389303e | 473 | * @param doHHD Whether to do HHD comparison |
474 | * @param doComp Whether to do comparisons | |
7e4038b5 | 475 | * |
476 | * @return true on success, false otherwise | |
477 | */ | |
f4494b7a | 478 | Bool_t Finish(Int_t rebin, Int_t mask, Int_t energy, |
479 | Bool_t doHHD, Bool_t doComp) | |
7e4038b5 | 480 | { |
481 | fOut->cd(); | |
482 | ||
483 | // Get acceptance normalisation from underflow bins | |
484 | TH1D* norm = fSum->ProjectionX("norm", 0, 1, ""); | |
485 | // Project onto eta axis - _ignoring_underflow_bins_! | |
486 | TH1D* dndeta = fSum->ProjectionX("dndeta", 1, -1, "e"); | |
270764db | 487 | dndeta->SetTitle("ALICE Forward"); |
7e4038b5 | 488 | // Normalize to the acceptance |
489 | dndeta->Divide(norm); | |
490 | // Scale by the vertex efficiency | |
491 | dndeta->Scale(fVtxEff, "width"); | |
492 | dndeta->SetMarkerColor(kRed+1); | |
493 | dndeta->SetMarkerStyle(20); | |
494 | dndeta->SetMarkerSize(1); | |
495 | dndeta->SetFillStyle(0); | |
82fc512a | 496 | Rebin(dndeta, rebin); |
270764db | 497 | |
498 | TH1D* dndetaMC = 0; | |
499 | if (fMCSum) { | |
500 | // Get acceptance normalisation from underflow bins | |
501 | norm = fMCSum->ProjectionX("norm", 0, 1, ""); | |
502 | // Project onto eta axis - _ignoring_underflow_bins_! | |
503 | dndetaMC = fMCSum->ProjectionX("dndetaMC", 1, -1, "e"); | |
504 | dndetaMC->SetTitle("ALICE Forward (MC)"); | |
505 | // Normalize to the acceptance | |
506 | dndetaMC->Divide(norm); | |
507 | // Scale by the vertex efficiency | |
508 | dndetaMC->Scale(fVtxEff, "width"); | |
509 | dndetaMC->SetMarkerColor(kRed+3); | |
510 | dndetaMC->SetMarkerStyle(21); | |
511 | dndetaMC->SetMarkerSize(1); | |
512 | dndetaMC->SetFillStyle(0); | |
513 | Rebin(dndetaMC, rebin); | |
514 | } | |
515 | ||
4cbdf467 | 516 | TH1D* dndetaTruth = 0; |
517 | if (fSumPrimary) { | |
518 | dndetaTruth = fSumPrimary->ProjectionX("dndetaTruth", -1, -1, "e"); | |
e333578d | 519 | //dndetaTruth->Scale(1./fNTriggered, "width"); |
520 | dndetaTruth->Scale(1./fNAll, "width"); | |
4cbdf467 | 521 | dndetaTruth->SetMarkerColor(kGray+3); |
522 | dndetaTruth->SetMarkerStyle(22); | |
523 | dndetaTruth->SetMarkerSize(1); | |
524 | dndetaTruth->SetFillStyle(0); | |
525 | Rebin(dndetaTruth, rebin); | |
526 | } | |
3a08cca0 | 527 | TH1D* dndetaCentral = 0; |
528 | if (fSumCentral) { | |
529 | dndetaCentral = fSumCentral->ProjectionX("dndetaCentral", -1, -1, "e"); | |
530 | dndetaCentral->SetTitle("ALICE Central"); | |
531 | dndetaCentral->Scale(1./fNTriggered, "width"); | |
532 | dndetaCentral->SetMarkerColor(kGray+3); | |
533 | dndetaCentral->SetMarkerStyle(22); | |
534 | dndetaCentral->SetMarkerSize(1); | |
535 | dndetaCentral->SetFillStyle(0); | |
536 | Rebin(dndetaCentral, rebin <= 1 ? 1 : 2*(rebin/2)); | |
537 | // 1 -> 1 | |
538 | // 2 -> 2*2/2 -> 2*1 -> 2 | |
539 | // 3 -> 2*3/2 -> 2*1 -> 2 | |
540 | // 4 -> 2*4/2 -> 2*2 -> 4 | |
541 | // 5 -> 2*5/2 -> 2*2 -> 4 | |
542 | // 6 -> 2*6/2 -> 2*3 -> 6 | |
543 | } | |
4cbdf467 | 544 | |
3a08cca0 | 545 | DrawIt(dndeta, dndetaMC, dndetaTruth, dndetaCentral, |
546 | mask, energy, doHHD, doComp); | |
7e4038b5 | 547 | |
82fc512a | 548 | return kTRUE; |
549 | } | |
550 | //__________________________________________________________________ | |
551 | /** | |
552 | */ | |
3a08cca0 | 553 | void DrawIt(TH1* dndeta, TH1* dndetaMC, TH1* dndetaTruth, TH1* dndetaCentral, |
4cbdf467 | 554 | Int_t mask, Int_t energy, Bool_t doHHD, |
e333578d | 555 | Bool_t doComp) |
82fc512a | 556 | { |
557 | // --- 1st part - prepare data ----------------------------------- | |
e333578d | 558 | TH1* dndetaSym = Symmetrice(dndeta); |
7e4038b5 | 559 | |
270764db | 560 | Double_t max = dndeta->GetMaximum(); |
561 | ||
562 | // Make our histogram stack | |
7e4038b5 | 563 | THStack* stack = new THStack("results", "Results"); |
270764db | 564 | |
e333578d | 565 | TH1* dndetaTruthSym = 0; |
566 | if (dndetaTruth) { | |
567 | dndetaTruth->SetFillColor(kGray); | |
568 | dndetaTruth->SetFillStyle(3001); | |
569 | dndetaTruthSym = Symmetrice(dndetaTruth); | |
8329a584 | 570 | stack->Add(dndetaTruthSym, "e5 p"); |
571 | stack->Add(dndetaTruth, "e5 p"); | |
4cbdf467 | 572 | Info("DrawIt", "Maximum of MC dndeta (truth): %f, was %f", |
e333578d | 573 | dndetaTruth->GetMaximum(),dndeta->GetMaximum()); |
574 | max = TMath::Max(dndetaTruth->GetMaximum(),max); | |
4cbdf467 | 575 | } |
7e4038b5 | 576 | |
82fc512a | 577 | // Get the data from HHD's analysis - if available |
e333578d | 578 | TH1* dndetaHHD = 0; |
579 | TH1* dndetaHHDSym = 0; | |
8329a584 | 580 | // Info("DrawIt", "Will %sdraw HHD results", (doHHD ? "" : "not ")); |
f4494b7a | 581 | if (doHHD) { |
582 | TString hhdName(fOut->GetName()); | |
583 | hhdName.ReplaceAll("dndeta", "hhd"); | |
e333578d | 584 | dndetaHHD = GetHHD(hhdName.Data(), mask & AliAODForwardMult::kNSD); |
585 | dndetaHHDSym = 0; | |
586 | if (dndetaHHD) { | |
f4494b7a | 587 | // Symmetrice and add to stack |
e333578d | 588 | dndetaHHD->SetTitle("ALICE Forward (HHD)"); |
589 | dndetaHHDSym = Symmetrice(dndetaHHD); | |
590 | stack->Add(dndetaHHDSym); | |
591 | stack->Add(dndetaHHD); | |
592 | max = TMath::Max(dndetaHHD->GetMaximum(),max); | |
f4494b7a | 593 | } |
594 | else | |
595 | Warning("DrawIt", "No HHD data found"); | |
270764db | 596 | fOut->cd(); |
7e4038b5 | 597 | } |
598 | ||
270764db | 599 | // If we have MC analysed data, plot it |
600 | if (dndetaMC) { | |
e333578d | 601 | TH1* dndetaMCSym = Symmetrice(dndetaMC); |
602 | stack->Add(dndetaMCSym); | |
270764db | 603 | stack->Add(dndetaMC); |
270764db | 604 | max = TMath::Max(dndetaMC->GetMaximum(),max); |
605 | } | |
606 | ||
607 | // Add the analysis results to the list | |
e333578d | 608 | stack->Add(dndetaSym); |
270764db | 609 | stack->Add(dndeta); |
270764db | 610 | |
3a08cca0 | 611 | // If we have central region data, add that |
612 | if (dndetaCentral) { | |
613 | stack->Add(dndetaCentral); | |
614 | max = TMath::Max(dndetaCentral->GetMaximum(),max); | |
615 | } | |
616 | ||
617 | ||
82fc512a | 618 | // Get graph of 'other' data - e.g., UA5, CMS, ... - and check if |
619 | // there's any graphs. Set the pad division based on that. | |
8329a584 | 620 | // Info("DrawIt", "Will %sdraw other results", (doComp ? "" : "not ")); |
f4494b7a | 621 | TMultiGraph* other = (doComp ? GetData(energy, mask) : 0); |
e333578d | 622 | THStack* ratios = MakeRatios(dndeta, dndetaSym, |
623 | dndetaHHD, dndetaHHDSym, | |
624 | dndetaTruth, dndetaTruthSym, | |
625 | other); | |
7e4038b5 | 626 | |
82fc512a | 627 | // Check if we have ratios |
628 | ||
629 | // --- 2nd part - Draw in canvas --------------------------------- | |
630 | // Make a canvas | |
7e4038b5 | 631 | gStyle->SetOptTitle(0); |
f4494b7a | 632 | gStyle->SetTitleFont(132, "xyz"); |
633 | gStyle->SetLabelFont(132, "xyz"); | |
7e4038b5 | 634 | TCanvas* c = new TCanvas("c", "C", 900, 800); |
635 | c->SetFillColor(0); | |
636 | c->SetBorderMode(0); | |
637 | c->SetBorderSize(0); | |
638 | c->cd(); | |
639 | ||
82fc512a | 640 | Double_t yd = (ratios ? 0.3 : 0); |
641 | ||
642 | // Make a sub-pad for the result itself | |
7e4038b5 | 643 | TPad* p1 = new TPad("p1", "p1", 0, yd, 1.0, 1.0, 0, 0); |
644 | p1->SetTopMargin(0.05); | |
82fc512a | 645 | p1->SetBottomMargin(ratios ? 0.001 : 0.1); |
7e4038b5 | 646 | p1->SetRightMargin(0.05); |
647 | p1->SetGridx(); | |
648 | p1->SetTicks(1,1); | |
649 | p1->Draw(); | |
650 | p1->cd(); | |
82fc512a | 651 | |
652 | // Fix the apperance of the stack and redraw. | |
270764db | 653 | if (other) { |
654 | TGraphAsymmErrors* o = 0; | |
655 | TIter nextG(other->GetListOfGraphs()); | |
656 | while ((o = static_cast<TGraphAsymmErrors*>(nextG()))) { | |
657 | Double_t gmax = TMath::MaxElement(o->GetN(), o->GetY()); | |
8329a584 | 658 | //Info("DrawIt", "Maximum of %s is %f, was %f", o->GetName(),gmax,max); |
270764db | 659 | max = TMath::Max(max, gmax); |
660 | } | |
661 | } | |
662 | max *= 1.1; | |
8329a584 | 663 | // Info("DrawIt", "Setting maximum to %f", max); |
82fc512a | 664 | stack->SetMinimum(ratios ? -0.1 : 0); |
270764db | 665 | stack->SetMaximum(max); |
1174780f | 666 | FixAxis(stack, 1/(1-yd)/1.5, |
667 | "#frac{1}{#it{N}} #frac{#it{dN}_{ch}}{#it{d#eta}}"); | |
7e4038b5 | 668 | p1->Clear(); |
669 | stack->DrawClone("nostack e1"); | |
670 | ||
82fc512a | 671 | // Draw other data |
672 | if (other) { | |
673 | TGraphAsymmErrors* o = 0; | |
674 | TIter nextG(other->GetListOfGraphs()); | |
270764db | 675 | while ((o = static_cast<TGraphAsymmErrors*>(nextG()))) |
82fc512a | 676 | o->Draw("same p"); |
fa4236ed | 677 | } |
678 | ||
82fc512a | 679 | // Make a legend in the main result pad |
7e4038b5 | 680 | TString trigs(AliAODForwardMult::GetTriggerString(mask)); |
65a1e0cd | 681 | TLegend* l = p1->BuildLegend(.15,p1->GetBottomMargin()+.01,.90,.35); |
682 | l->SetNColumns(2); | |
7e4038b5 | 683 | l->SetFillColor(0); |
684 | l->SetFillStyle(0); | |
685 | l->SetBorderSize(0); | |
f4494b7a | 686 | l->SetTextFont(132); |
7e4038b5 | 687 | p1->cd(); |
65a1e0cd | 688 | |
82fc512a | 689 | // Put a title on top |
690 | TLatex* tit = new TLatex(0.10, 0.95, fTitle.Data()); | |
691 | tit->SetNDC(); | |
f4494b7a | 692 | tit->SetTextFont(132); |
82fc512a | 693 | tit->SetTextSize(0.05); |
694 | tit->Draw(); | |
695 | ||
696 | // Put a nice label in the plot | |
1174780f | 697 | TString eS; |
698 | if (energy > 1000) eS = Form("%4.2fTeV", float(energy)/1000); | |
699 | else eS = Form("%3dGeV", energy); | |
f4494b7a | 700 | TLatex* tt = new TLatex(.93, .93, |
1174780f | 701 | Form("#sqrt{s}=%s, %s", eS.Data(), |
65a1e0cd | 702 | AliAODForwardMult::GetTriggerString(mask))); |
703 | tt->SetNDC(); | |
f4494b7a | 704 | tt->SetTextFont(132); |
705 | tt->SetTextAlign(33); | |
65a1e0cd | 706 | tt->Draw(); |
707 | ||
1174780f | 708 | // Put number of accepted events on the plot |
709 | TLatex* et = new TLatex(.93, .83, Form("%d events", fNAccepted)); | |
710 | et->SetNDC(); | |
711 | et->SetTextFont(132); | |
712 | et->SetTextAlign(33); | |
713 | et->Draw(); | |
714 | ||
715 | // Put number of accepted events on the plot | |
716 | TLatex* vt = new TLatex(.93, .88, | |
717 | Form("v_{z}#in[%+5.1f,%+5.1f]cm", fVtxMin, fVtxMax)); | |
718 | vt->SetNDC(); | |
719 | vt->SetTextFont(132); | |
720 | vt->SetTextAlign(33); | |
721 | vt->Draw(); | |
722 | ||
723 | // Mark the plot as preliminary | |
724 | TLatex* pt = new TLatex(.12, .93, "Preliminary"); | |
65a1e0cd | 725 | pt->SetNDC(); |
f4494b7a | 726 | pt->SetTextFont(22); |
65a1e0cd | 727 | pt->SetTextSize(0.07); |
728 | pt->SetTextColor(kRed+1); | |
1174780f | 729 | pt->SetTextAlign(13); |
65a1e0cd | 730 | pt->Draw(); |
7e4038b5 | 731 | c->cd(); |
732 | ||
82fc512a | 733 | // If we do not have the ratios, fix up the display |
734 | // p1->SetPad(0, 0, 1, 1); | |
735 | // p1->SetBottomMargin(0.1); | |
736 | // l->SetY1(0.11); | |
737 | // stack->SetMinimum(0); | |
738 | // FixAxis(stack, (1-yd)/1, "#frac{1}{N} #frac{dN_{ch}}{#eta}",10,false); | |
739 | if (ratios) { | |
740 | // If we do have the ratios, then make a new pad and draw the | |
741 | // ratios there | |
7e4038b5 | 742 | c->cd(); |
7e4038b5 | 743 | TPad* p2 = new TPad("p2", "p2", 0, 0.0, 1.0, yd, 0, 0); |
744 | p2->SetTopMargin(0.001); | |
745 | p2->SetRightMargin(0.05); | |
746 | p2->SetBottomMargin(1/yd * 0.07); | |
747 | p2->SetGridx(); | |
748 | p2->SetTicks(1,1); | |
749 | p2->Draw(); | |
750 | p2->cd(); | |
82fc512a | 751 | |
752 | // Fix up axis | |
65a1e0cd | 753 | FixAxis(ratios, 1/yd/1.5, "Ratios", 5); |
82fc512a | 754 | |
755 | // Fix up y range and redraw | |
65a1e0cd | 756 | ratios->SetMinimum(.58); |
757 | ratios->SetMaximum(1.22); | |
7e4038b5 | 758 | p2->Clear(); |
759 | ratios->DrawClone("nostack e1"); | |
760 | ||
82fc512a | 761 | // Make a legend |
65a1e0cd | 762 | TLegend* l2 = p2->BuildLegend(.15,p2->GetBottomMargin()+.01,.9,.6); |
763 | l2->SetNColumns(2); | |
7e4038b5 | 764 | l2->SetFillColor(0); |
765 | l2->SetFillStyle(0); | |
766 | l2->SetBorderSize(0); | |
f4494b7a | 767 | l2->SetTextFont(132); |
768 | ||
82fc512a | 769 | // Make a nice band from 0.9 to 1.1 |
7e4038b5 | 770 | TGraphErrors* band = new TGraphErrors(2); |
e333578d | 771 | band->SetPoint(0, dndetaSym->GetXaxis()->GetXmin(), 1); |
7e4038b5 | 772 | band->SetPoint(1, dndeta->GetXaxis()->GetXmax(), 1); |
773 | band->SetPointError(0, 0, .1); | |
774 | band->SetPointError(1, 0, .1); | |
775 | band->SetFillColor(kYellow+2); | |
776 | band->SetFillStyle(3002); | |
777 | band->Draw("3 same"); | |
82fc512a | 778 | |
779 | // Replot the ratios on top | |
7e4038b5 | 780 | ratios->DrawClone("nostack e1 same"); |
781 | ||
782 | c->cd(); | |
783 | } | |
7e4038b5 | 784 | |
82fc512a | 785 | // Plot to disk |
7e4038b5 | 786 | TString imgName(fOut->GetName()); |
787 | imgName.ReplaceAll(".root", ".png"); | |
788 | c->SaveAs(imgName.Data()); | |
f4494b7a | 789 | imgName.ReplaceAll(".png", ".C"); |
790 | c->SaveAs(imgName.Data()); | |
270764db | 791 | |
792 | fOut->cd(); | |
7e4038b5 | 793 | stack->Write(); |
82fc512a | 794 | if (other) other->Write(); |
795 | if (ratios) ratios->Write(); | |
7e4038b5 | 796 | |
82fc512a | 797 | // Close our file |
7e4038b5 | 798 | fOut->Close(); |
7e4038b5 | 799 | } |
800 | //__________________________________________________________________ | |
801 | /** | |
802 | * Get the result from previous analysis code | |
803 | * | |
c389303e | 804 | * @param fn File to open |
805 | * @param nsd Whether this is NSD | |
7e4038b5 | 806 | * |
807 | * @return null or result of previous analysis code | |
808 | */ | |
809 | TH1* GetHHD(const char* fn="fmd_dNdeta_mult.root", bool nsd=false) | |
810 | { | |
811 | TDirectory* savdir = gDirectory; | |
65a1e0cd | 812 | if (gSystem->AccessPathName(fn)) { |
813 | Warning("GetHHD", "Output of HHD analysis (%s) not available", fn); | |
814 | return 0; | |
815 | } | |
7e4038b5 | 816 | TFile* file = TFile::Open(fn, "READ"); |
817 | if (!file) { | |
818 | Warning("GetHHD", "couldn't open HHD file %s", fn); | |
819 | savdir->cd(); | |
820 | return 0; | |
821 | } | |
822 | TString hist(Form("dNdeta_dNdeta%s", (nsd ? "NSD" : ""))); | |
823 | TH1* h = static_cast<TH1*>(file->Get(hist.Data())); | |
824 | if (!h) { | |
825 | Warning("GetHHD", "Couldn't find HHD histogram %s in %s", | |
826 | hist.Data(), fn); | |
7e4038b5 | 827 | file->Close(); |
828 | savdir->cd(); | |
829 | return 0; | |
830 | } | |
831 | TH1* r = static_cast<TH1*>(h->Clone("dndeta_hhd")); | |
832 | r->SetTitle("1/N dN_{ch}/d#eta (HHD)"); | |
833 | r->SetFillStyle(0); | |
834 | r->SetFillColor(0); | |
835 | r->SetMarkerStyle(21); | |
836 | r->SetMarkerColor(kPink+1); | |
837 | r->SetDirectory(savdir); | |
838 | ||
839 | file->Close(); | |
840 | savdir->cd(); | |
841 | return r; | |
842 | } | |
82fc512a | 843 | //__________________________________________________________________ |
844 | /** | |
845 | */ | |
846 | THStack* MakeRatios(const TH1* dndeta, const TH1* sym, | |
847 | const TH1* hhd, const TH1* hhdsym, | |
270764db | 848 | const TH1* mc, const TH1* mcsym, |
82fc512a | 849 | TMultiGraph* other) const |
850 | { | |
851 | // If we have 'other' data, then do the ratio of the results to that | |
852 | Bool_t hasOther = (other && other->GetListOfGraphs() && | |
853 | other->GetListOfGraphs()->GetEntries() > 0); | |
854 | Bool_t hasHhd = (hhd && hhdsym); | |
270764db | 855 | if (!hasOther && !hasHhd && !mc && !mcsym) return 0; |
82fc512a | 856 | |
857 | THStack* ratios = new THStack("ratios", "Ratios"); | |
858 | if (hasOther) { | |
859 | TGraphAsymmErrors* o = 0; | |
860 | TIter nextG(other->GetListOfGraphs()); | |
861 | while ((o = static_cast<TGraphAsymmErrors*>(nextG()))) { | |
862 | ratios->Add(Ratio(dndeta, o)); | |
863 | ratios->Add(Ratio(sym, o)); | |
864 | ratios->Add(Ratio(hhd, o)); | |
865 | ratios->Add(Ratio(hhdsym, o)); | |
866 | } | |
867 | } | |
868 | ||
869 | // If we have data from HHD's analysis, then do the ratio of | |
870 | // our result to that data. | |
871 | if (hasHhd) { | |
872 | TH1F* t1 = static_cast<TH1F*>(dndeta->Clone(Form("%s_%s", | |
873 | dndeta->GetName(), | |
874 | hhd->GetName()))); | |
82fc512a | 875 | TH1F* t2 = static_cast<TH1F*>(sym->Clone(Form("%s_%s", |
876 | sym->GetName(), | |
877 | hhdsym->GetName()))); | |
270764db | 878 | t1->SetTitle(Form("%s / %s", dndeta->GetTitle(), hhd->GetTitle())); |
82fc512a | 879 | t2->SetTitle(Form("%s / %s", sym->GetTitle(), hhdsym->GetTitle())); |
880 | t1->Divide(hhd); | |
881 | t2->Divide(hhdsym); | |
270764db | 882 | t1->SetMarkerColor(hhd->GetMarkerColor()); |
883 | t2->SetMarkerColor(hhdsym->GetMarkerColor()); | |
884 | ratios->Add(t1); | |
885 | ratios->Add(t2); | |
886 | } | |
887 | ||
888 | // Do comparison to MC | |
889 | if (mc) { | |
890 | TH1D* t1 = static_cast<TH1D*>(dndeta->Clone(Form("%s_%s", | |
891 | dndeta->GetName(), | |
892 | mc->GetName()))); | |
893 | TH1D* t2 = static_cast<TH1D*>(sym->Clone(Form("%s_%s", | |
894 | sym->GetName(), | |
895 | mcsym->GetName()))); | |
896 | t1->SetTitle(Form("%s / %s", dndeta->GetTitle(), mc->GetTitle())); | |
897 | t2->SetTitle(Form("%s / %s", sym->GetTitle(), mcsym->GetTitle())); | |
898 | t1->Divide(mc); | |
899 | t2->Divide(mcsym); | |
900 | t1->SetMarkerColor(mc->GetMarkerColor()); | |
901 | t2->SetMarkerColor(mcsym->GetMarkerColor()); | |
82fc512a | 902 | ratios->Add(t1); |
903 | ratios->Add(t2); | |
904 | } | |
905 | ||
906 | // Check if we have ratios | |
907 | Bool_t hasRatios = (ratios->GetHists() && | |
908 | (ratios->GetHists()->GetEntries() > 0)); | |
8329a584 | 909 | #if 0 |
82fc512a | 910 | Info("MakeRatios", "Got a total of %d ratios", !hasRatios ? 0 : |
911 | ratios->GetHists()->GetEntries()); | |
8329a584 | 912 | #endif |
82fc512a | 913 | |
914 | if (!hasRatios) { delete ratios; ratios = 0; } | |
915 | return ratios; | |
916 | } | |
917 | ||
7e4038b5 | 918 | //__________________________________________________________________ |
919 | /** | |
920 | * Fix the apperance of the axis in a stack | |
921 | * | |
922 | * @param stack stack of histogram | |
923 | * @param s Scaling factor | |
924 | * @param ytitle Y axis title | |
925 | * @param force Whether to draw the stack first or not | |
c389303e | 926 | * @param ynDiv Divisions on Y axis |
7e4038b5 | 927 | */ |
928 | void FixAxis(THStack* stack, Double_t s, const char* ytitle, | |
65a1e0cd | 929 | Int_t ynDiv=10, Bool_t force=true) |
7e4038b5 | 930 | { |
931 | if (force) stack->Draw("nostack e1"); | |
932 | ||
933 | TH1* h = stack->GetHistogram(); | |
934 | if (!h) return; | |
935 | ||
936 | h->SetXTitle("#eta"); | |
937 | h->SetYTitle(ytitle); | |
938 | TAxis* xa = h->GetXaxis(); | |
939 | TAxis* ya = h->GetYaxis(); | |
940 | if (xa) { | |
941 | xa->SetTitle("#eta"); | |
942 | // xa->SetTicks("+-"); | |
943 | xa->SetTitleSize(s*xa->GetTitleSize()); | |
944 | xa->SetLabelSize(s*xa->GetLabelSize()); | |
945 | xa->SetTickLength(s*xa->GetTickLength()); | |
946 | } | |
947 | if (ya) { | |
948 | ya->SetTitle(ytitle); | |
65a1e0cd | 949 | ya->SetDecimals(); |
7e4038b5 | 950 | // ya->SetTicks("+-"); |
65a1e0cd | 951 | ya->SetNdivisions(ynDiv); |
7e4038b5 | 952 | ya->SetTitleSize(s*ya->GetTitleSize()); |
953 | ya->SetLabelSize(s*ya->GetLabelSize()); | |
954 | } | |
955 | } | |
956 | //__________________________________________________________________ | |
957 | /** | |
958 | * Compute the ratio of @a h to @a g. @a g is evaluated at the bin | |
959 | * centers of @a h | |
960 | * | |
961 | * @param h Numerator | |
962 | * @param g Divisor | |
963 | * | |
964 | * @return h/g | |
965 | */ | |
966 | TH1* Ratio(const TH1* h, const TGraph* g) const | |
967 | { | |
968 | if (!h || !g) return 0; | |
969 | ||
970 | TH1* ret = static_cast<TH1*>(h->Clone("tmp")); | |
971 | ret->SetName(Form("%s_over_%s", h->GetName(), g->GetName())); | |
972 | ret->SetTitle(Form("%s / %s", h->GetTitle(), g->GetTitle())); | |
973 | ret->Reset(); | |
974 | ret->SetMarkerStyle(h->GetMarkerStyle()); | |
975 | ret->SetMarkerColor(g->GetMarkerColor()); | |
65a1e0cd | 976 | ret->SetMarkerSize(0.9*g->GetMarkerSize()); |
7e4038b5 | 977 | Double_t xlow = g->GetX()[0]; |
978 | Double_t xhigh = g->GetX()[g->GetN()-1]; | |
979 | if (xlow > xhigh) { Double_t t = xhigh; xhigh = xlow; xlow = t; } | |
980 | ||
981 | for (Int_t i = 1; i <= h->GetNbinsX(); i++) { | |
982 | Double_t c = h->GetBinContent(i); | |
983 | if (c <= 0) continue; | |
984 | ||
985 | Double_t x = h->GetBinCenter(i); | |
986 | if (x < xlow || x > xhigh) continue; | |
987 | ||
988 | Double_t f = g->Eval(x); | |
989 | if (f <= 0) continue; | |
990 | ||
991 | ret->SetBinContent(i, c / f); | |
992 | ret->SetBinError(i, h->GetBinError(i) / f); | |
993 | } | |
994 | if (ret->GetEntries() <= 0) { delete ret; ret = 0; } | |
995 | return ret; | |
996 | } | |
997 | ||
998 | //__________________________________________________________________ | |
999 | /** | |
1000 | * Make an extension of @a h to make it symmetric about 0 | |
1001 | * | |
1002 | * @param h Histogram to symmertrice | |
1003 | * | |
1004 | * @return Symmetric extension of @a h | |
1005 | */ | |
1006 | TH1* Symmetrice(const TH1* h) const | |
1007 | { | |
270764db | 1008 | fOut->cd(); |
1009 | ||
7e4038b5 | 1010 | Int_t nBins = h->GetNbinsX(); |
1011 | TH1* s = new TH1D(Form("%s_mirror", h->GetName()), | |
1012 | Form("%s (mirrored)", h->GetTitle()), | |
1013 | nBins, | |
1014 | -h->GetXaxis()->GetXmax(), | |
1015 | -h->GetXaxis()->GetXmin()); | |
1016 | s->SetMarkerColor(h->GetMarkerColor()); | |
1017 | s->SetMarkerSize(h->GetMarkerSize()); | |
1018 | s->SetMarkerStyle(h->GetMarkerStyle()+4); | |
1019 | s->SetFillColor(h->GetFillColor()); | |
1020 | s->SetFillStyle(h->GetFillStyle()); | |
270764db | 1021 | // s->SetDirectory(0); |
7e4038b5 | 1022 | |
1023 | // Find the first and last bin with data | |
1024 | Int_t first = nBins+1; | |
1025 | Int_t last = 0; | |
1026 | for (Int_t i = 1; i <= nBins; i++) { | |
1027 | if (h->GetBinContent(i) <= 0) continue; | |
1028 | first = TMath::Min(first, i); | |
1029 | last = TMath::Max(last, i); | |
1030 | } | |
1031 | ||
1032 | Double_t xfirst = h->GetBinCenter(first-1); | |
1033 | Int_t f1 = h->GetXaxis()->FindBin(-xfirst); | |
1034 | Int_t l2 = s->GetXaxis()->FindBin(xfirst); | |
1035 | for (Int_t i = f1, j=l2; i <= last; i++,j--) { | |
1036 | s->SetBinContent(j, h->GetBinContent(i)); | |
1037 | s->SetBinError(j, h->GetBinError(i)); | |
1038 | } | |
e333578d | 1039 | // Fill in overlap bin |
1040 | s->SetBinContent(l2+1, h->GetBinContent(first)); | |
1041 | s->SetBinError(l2+1, h->GetBinError(first)); | |
7e4038b5 | 1042 | return s; |
1043 | } | |
1044 | //__________________________________________________________________ | |
1045 | /** | |
1046 | * Rebin a histogram | |
1047 | * | |
1048 | * @param h Histogram to rebin | |
1049 | * @param rebin Rebinning factor | |
1050 | * | |
1051 | * @return | |
1052 | */ | |
1053 | virtual void Rebin(TH1* h, Int_t rebin) const | |
1054 | { | |
1055 | if (rebin <= 1) return; | |
1056 | ||
1057 | Int_t nBins = h->GetNbinsX(); | |
1058 | if(nBins % rebin != 0) { | |
1059 | Warning("Rebin", "Rebin factor %d is not a devisor of current number " | |
1060 | "of bins %d in the histogram %s", rebin, nBins, h->GetName()); | |
1061 | return; | |
1062 | } | |
1063 | ||
1064 | // Make a copy | |
1065 | TH1* tmp = static_cast<TH1*>(h->Clone("tmp")); | |
1066 | tmp->Rebin(rebin); | |
1067 | tmp->SetDirectory(0); | |
1068 | ||
1069 | // The new number of bins | |
1070 | Int_t nBinsNew = nBins / rebin; | |
1071 | for(Int_t i = 1;i<= nBinsNew; i++) { | |
1072 | Double_t content = 0; | |
1073 | Double_t sumw = 0; | |
1074 | Double_t wsum = 0; | |
1075 | Int_t nbins = 0; | |
1076 | for(Int_t j = 1; j<=rebin;j++) { | |
1077 | Int_t bin = (i-1)*rebin + j; | |
1078 | if(h->GetBinContent(bin) <= 0) continue; | |
1079 | Double_t c = h->GetBinContent(bin); | |
cc83fca2 | 1080 | Double_t e = h->GetBinError(bin); |
1081 | Double_t w = 1 / (e*e); // 1/c/c | |
7e4038b5 | 1082 | content += c; |
1083 | sumw += w; | |
1084 | wsum += w * c; | |
1085 | nbins++; | |
1086 | } | |
1087 | ||
cc83fca2 | 1088 | if(content > 0 && nbins > 0) { |
7e4038b5 | 1089 | tmp->SetBinContent(i, wsum / sumw); |
cc83fca2 | 1090 | tmp->SetBinError(i,1./TMath::Sqrt(sumw)); |
7e4038b5 | 1091 | } |
1092 | } | |
1093 | ||
1094 | // Finally, rebin the histogram, and set new content | |
1095 | h->Rebin(rebin); | |
1c762251 | 1096 | h->Reset(); |
cc83fca2 | 1097 | for(Int_t i = 1; i<= nBinsNew; i++) { |
7e4038b5 | 1098 | h->SetBinContent(i,tmp->GetBinContent(i)); |
cc83fca2 | 1099 | h->SetBinError(i, tmp->GetBinError(i)); |
7e4038b5 | 1100 | } |
1101 | ||
1102 | delete tmp; | |
1103 | } | |
1104 | }; | |
1105 | ||
1106 | //____________________________________________________________________ | |
1107 | // | |
1108 | // EOF | |
1109 | // | |
1110 |