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76518957 | 1 | /* $Id: $ */ |
2 | ||
3 | //-------------------------------------------------- | |
4 | // Example macro to do analysis with the | |
5 | // analysis classes in PWG4PartCorr | |
6 | // and JETAN at the same time | |
7 | // Can be executed with Root and AliRoot | |
8 | // | |
9 | // Pay attention to the options and definitions | |
10 | // set in the lines below | |
11 | // | |
12 | // Author : Gustavo Conesa Balbastre (INFN-LNF) | |
13 | // | |
14 | //------------------------------------------------- | |
15 | enum anaModes {mLocal, mLocalCAF,mPROOF,mGRID}; | |
16 | //mLocal: Analyze locally files in your computer | |
17 | //mLocalCAF: Analyze locally CAF files | |
18 | //mPROOF: Analyze CAF files with PROOF | |
19 | ||
20 | //--------------------------------------------------------------------------- | |
21 | //Settings to read locally several files, only for "mLocal" mode | |
22 | //The different values are default, they can be set with environmental | |
23 | //variables: INDIR, PATTERN, NEVENT, respectivelly | |
24 | char * kInDir = "/home/group/alice/schutz/analysis/PWG4/data"; | |
25 | char * kPattern = ""; // Data are in diles /data/Run0, | |
26 | // /Data/Run1 ... | |
27 | Int_t kEvent = 1; // Number of files | |
28 | //--------------------------------------------------------------------------- | |
29 | //Collection file for grid analysis | |
30 | char * kXML = "collection.xml"; | |
31 | //--------------------------------------------------------------------------- | |
32 | //Scale histograms from file. Change to kTRUE when xsection file exists | |
33 | //Put name of file containing xsection | |
34 | //Put number of events per ESD file | |
35 | //This is an specific case for normalization of Pythia files. | |
36 | const Bool_t kGetXSectionFromFileAndScale = kTRUE ; | |
37 | const char * kXSFileName = "pyxsec.root"; | |
38 | const Int_t kNumberOfEventsPerFile = 100; | |
39 | //--------------------------------------------------------------------------- | |
40 | ||
41 | const Bool_t kMC = kTRUE; //With real data kMC = kFALSE | |
42 | const TString kInputData = "ESD"; | |
43 | void anaPartCorrJETAN(Int_t mode=mLocal, TString configName = "ConfigAnalysisExample") | |
44 | { | |
45 | // Main | |
46 | ||
47 | //-------------------------------------------------------------------- | |
48 | // Load analysis libraries | |
49 | // Look at the method below, | |
50 | // change whatever you need for your analysis case | |
51 | // ------------------------------------------------------------------ | |
52 | LoadLibraries(mode) ; | |
53 | ||
54 | //------------------------------------------------------------------------------------------------- | |
55 | //Create chain from ESD and from cross sections files, look below for options. | |
56 | //------------------------------------------------------------------------------------------------- | |
57 | TChain *chain = new TChain("esdTree") ; | |
58 | TChain * chainxs = new TChain("Xsection") ; | |
59 | CreateChain(mode, chain, chainxs); | |
60 | ||
61 | if(chain){ | |
62 | AliLog::SetGlobalLogLevel(AliLog::kError);//Minimum prints on screen | |
63 | ||
64 | //-------------------------------------- | |
65 | // Make the analysis manager | |
66 | //------------------------------------- | |
67 | AliAnalysisManager *mgr = new AliAnalysisManager("Manager", "Manager"); | |
68 | // MC handler | |
69 | if(kMC){ | |
70 | AliMCEventHandler* mcHandler = new AliMCEventHandler(); | |
71 | mcHandler->SetReadTR(kFALSE);//Do not search TrackRef file | |
72 | mgr->SetMCtruthEventHandler(mcHandler); | |
73 | } | |
74 | ||
75 | // AOD output handler | |
76 | AliAODHandler* aodoutHandler = new AliAODHandler(); | |
77 | aodoutHandler->SetOutputFileName("aod.root"); | |
78 | //aodoutHandler->SetCreateNonStandardAOD(); | |
79 | mgr->SetOutputEventHandler(aodoutHandler); | |
80 | ||
81 | //input | |
82 | if(kInputData == "ESD"){ | |
83 | // ESD handler | |
84 | AliESDInputHandler *esdHandler = new AliESDInputHandler(); | |
85 | mgr->SetInputEventHandler(esdHandler); | |
86 | } | |
87 | if(kInputData == "AOD"){ | |
88 | // AOD handler | |
89 | AliAODInputHandler *aodHandler = new AliAODInputHandler(); | |
90 | mgr->SetInputEventHandler(aodHandler); | |
91 | } | |
92 | ||
93 | mgr->SetDebugLevel(10); // For debugging | |
94 | ||
95 | //------------------------------------------------------------------------- | |
96 | //Define task, put here any other task that you want to use. | |
97 | //------------------------------------------------------------------------- | |
98 | ||
99 | AliAnalysisTaskJets *jetana = new AliAnalysisTaskJets("JetAnalysis"); | |
100 | jetana->SetDebugLevel(-1); | |
101 | mgr->AddTask(jetana); | |
102 | ||
103 | AliAnalysisTaskParticleCorrelation * taskpwg4 = new AliAnalysisTaskParticleCorrelation ("Particle"); | |
104 | taskpwg4->SetConfigFileName(configName); //Default name is ConfigAnalysis | |
105 | ||
106 | mgr->AddTask(taskpwg4); | |
107 | ||
108 | // Create containers for input/output | |
109 | AliAnalysisDataContainer *cinput1 = mgr->CreateContainer("cchain",TChain::Class(), | |
110 | AliAnalysisManager::kInputContainer); | |
111 | AliAnalysisDataContainer *coutput1 = mgr->CreateContainer("tree", TTree::Class(), | |
112 | AliAnalysisManager::kOutputContainer, "default"); | |
113 | AliAnalysisDataContainer *coutput2 = mgr->CreateContainer("corrhistos", TList::Class(), | |
114 | AliAnalysisManager::kOutputContainer, "histos.root"); | |
115 | ||
116 | AliAnalysisDataContainer *coutput3 = mgr->CreateContainer("jethistos", TList::Class(), | |
117 | AliAnalysisManager::kOutputContainer, "histos.root"); | |
118 | ||
119 | mgr->ConnectInput (taskpwg4, 0, cinput1); | |
120 | mgr->ConnectOutput (taskpwg4, 0, coutput1 ); | |
121 | mgr->ConnectOutput (taskpwg4, 1, coutput2 ); | |
122 | ||
123 | mgr->ConnectInput (jetana, 0, cinput1); | |
124 | mgr->ConnectOutput (jetana, 0, coutput1 ); | |
125 | mgr->ConnectOutput (jetana, 1, coutput3 ); | |
126 | ||
127 | //------------------------ | |
128 | //Scaling task | |
129 | //----------------------- | |
130 | Int_t nfiles = chainxs->GetEntries(); | |
131 | //cout<<"Get? "<<kGetXSectionFromFileAndScale<<" nfiles "<<nfiles<<endl; | |
132 | if(kGetXSectionFromFileAndScale && nfiles > 0){ | |
133 | //cout<<"Init AnaScale"<<endl; | |
134 | //Get the cross section | |
135 | Double_t xsection=0; | |
136 | Float_t ntrials = 0; | |
137 | GetAverageXsection(chainxs, xsection, ntrials); | |
138 | ||
139 | AliAnaScale * scale = new AliAnaScale("scale") ; | |
140 | scale->Set(xsection/ntrials/kNumberOfEventsPerFile/nfiles) ; | |
141 | scale->MakeSumw2(kFALSE); | |
142 | scale->SetDebugLevel(2); | |
143 | mgr->AddTask(scale); | |
144 | ||
145 | AliAnalysisDataContainer *coutput4 = mgr->CreateContainer("corrhistosscaled", TList::Class(), | |
146 | AliAnalysisManager::kOutputContainer, "histosscaled.root"); | |
147 | mgr->ConnectInput (scale, 0, coutput2); | |
148 | mgr->ConnectOutput (scale, 0, coutput4 ); | |
149 | ||
150 | AliAnaScale * scalejet = new AliAnaScale("scalejet") ; | |
151 | scalejet->Set(xsection/ntrials/kNumberOfEventsPerFile/nfiles) ; | |
152 | scalejet->MakeSumw2(kFALSE); | |
153 | scalejet->SetDebugLevel(2); | |
154 | mgr->AddTask(scalejet); | |
155 | ||
156 | AliAnalysisDataContainer *coutput5 = mgr->CreateContainer("jethistosscaled", TList::Class(), | |
157 | AliAnalysisManager::kOutputContainer, "histosscaled.root"); | |
158 | mgr->ConnectInput (scalejet, 0, coutput3); | |
159 | mgr->ConnectOutput (scalejet, 0, coutput5 ); | |
160 | } | |
161 | ||
162 | //----------------------- | |
163 | // Run the analysis | |
164 | //----------------------- | |
165 | TString smode = ""; | |
166 | if (mode==mLocal || mode == mLocalCAF) | |
167 | smode = "local"; | |
168 | else if (mode==mPROOF) | |
169 | smode = "proof"; | |
170 | else if (mode==mGRID) | |
171 | smode = "grid"; | |
172 | ||
173 | mgr->InitAnalysis(); | |
174 | mgr->PrintStatus(); | |
175 | mgr->StartAnalysis(smode.Data(),chain); | |
176 | ||
177 | cout <<" Analysis ended sucessfully "<< endl ; | |
178 | ||
179 | } | |
180 | else cout << "Chain was not produced ! "<<endl; | |
181 | ||
182 | } | |
183 | ||
184 | void LoadLibraries(const anaModes mode) { | |
185 | ||
186 | //-------------------------------------- | |
187 | // Load the needed libraries most of them already loaded by aliroot | |
188 | //-------------------------------------- | |
189 | gSystem->Load("libTree.so"); | |
190 | gSystem->Load("libGeom.so"); | |
191 | gSystem->Load("libVMC.so"); | |
192 | gSystem->Load("libXMLIO.so"); | |
193 | ||
194 | //---------------------------------------------------------- | |
195 | // >>>>>>>>>>> Local mode <<<<<<<<<<<<<< | |
196 | //---------------------------------------------------------- | |
197 | if (mode==mLocal || mode == mLocalCAF || mode == mGRID) { | |
198 | //-------------------------------------------------------- | |
199 | // If you want to use already compiled libraries | |
200 | // in the aliroot distribution | |
201 | //-------------------------------------------------------- | |
202 | //gSystem->Load("libSTEERBase"); | |
203 | //gSystem->Load("libESD"); | |
204 | //gSystem->Load("libAOD"); | |
205 | //gSystem->Load("libANALYSIS"); | |
206 | //gSystem->Load("libANALYSISalice"); | |
207 | //gSystem->Load("libJETAN"); | |
208 | //gSystem->Load("libPWG4PartCorr"); | |
209 | ||
210 | //-------------------------------------------------------- | |
211 | //If you want to use root and par files from aliroot | |
212 | //-------------------------------------------------------- | |
213 | SetupPar("STEERBase"); | |
214 | SetupPar("ESD"); | |
215 | SetupPar("AOD"); | |
216 | SetupPar("ANALYSIS"); | |
217 | SetupPar("ANALYSISalice"); | |
218 | SetupPar("JETAN"); | |
219 | SetupPar("PWG4PartCorr"); | |
220 | ||
221 | } | |
222 | ||
223 | //--------------------------------------------------------- | |
224 | // <<<<<<<<<< PROOF mode >>>>>>>>>>>> | |
225 | //--------------------------------------------------------- | |
226 | else if (mode==mPROOF) { | |
227 | // | |
228 | // Connect to proof | |
229 | // Put appropriate username here | |
230 | // TProof::Reset("proof://mgheata@lxb6046.cern.ch"); | |
231 | TProof::Open("proof://mgheata@lxb6046.cern.ch"); | |
232 | ||
233 | // gProof->ClearPackages(); | |
234 | // gProof->ClearPackage("ESD"); | |
235 | // gProof->ClearPackage("AOD"); | |
236 | // gProof->ClearPackage("ANALYSIS"); | |
237 | // gProof->ClearPackage("JETAN"); | |
238 | // gProof->ClearPackage("PWG4PartCorr"); | |
239 | ||
240 | // Enable the STEERBase Package | |
241 | gProof->UploadPackage("STEERBase.par"); | |
242 | gProof->EnablePackage("STEERBase"); | |
243 | // Enable the ESD Package | |
244 | gProof->UploadPackage("ESD.par"); | |
245 | gProof->EnablePackage("ESD"); | |
246 | // Enable the AOD Package | |
247 | gProof->UploadPackage("AOD.par"); | |
248 | gProof->EnablePackage("AOD"); | |
249 | // Enable the Analysis Package | |
250 | gProof->UploadPackage("ANALYSIS.par"); | |
251 | gProof->EnablePackage("ANALYSIS"); | |
252 | // Enable JETAN | |
253 | gProof->UploadPackage("JETAN.par"); | |
254 | gProof->EnablePackage("JETAN"); | |
255 | // Enable gamma jet analysis | |
256 | gProof->UploadPackage("PWG4PartCorr.par"); | |
257 | gProof->EnablePackage("PWG4PartCorr"); | |
258 | // | |
259 | gProof->ShowEnabledPackages(); | |
260 | } | |
261 | ||
262 | } | |
263 | ||
264 | void SetupPar(char* pararchivename) | |
265 | { | |
266 | //Load par files, create analysis libraries | |
267 | //For testing, if par file already decompressed and modified | |
268 | //classes then do not decompress. | |
269 | ||
270 | TString cdir(Form("%s", gSystem->WorkingDirectory() )) ; | |
271 | TString parpar(Form("%s.par", pararchivename)) ; | |
272 | if ( gSystem->AccessPathName(parpar.Data()) ) { | |
273 | gSystem->ChangeDirectory(gSystem->Getenv("ALICE_ROOT")) ; | |
274 | TString processline(Form(".! make %s", parpar.Data())) ; | |
275 | gROOT->ProcessLine(processline.Data()) ; | |
276 | gSystem->ChangeDirectory(cdir) ; | |
277 | processline = Form(".! mv $ALICE_ROOT/%s .", parpar.Data()) ; | |
278 | gROOT->ProcessLine(processline.Data()) ; | |
279 | } | |
280 | if ( gSystem->AccessPathName(pararchivename) ) { | |
281 | TString processline = Form(".! tar xvzf %s",parpar.Data()) ; | |
282 | gROOT->ProcessLine(processline.Data()); | |
283 | } | |
284 | ||
285 | TString ocwd = gSystem->WorkingDirectory(); | |
286 | gSystem->ChangeDirectory(pararchivename); | |
287 | ||
288 | // check for BUILD.sh and execute | |
289 | if (!gSystem->AccessPathName("PROOF-INF/BUILD.sh")) { | |
290 | printf("*******************************\n"); | |
291 | printf("*** Building PAR archive ***\n"); | |
292 | cout<<pararchivename<<endl; | |
293 | printf("*******************************\n"); | |
294 | ||
295 | if (gSystem->Exec("PROOF-INF/BUILD.sh")) { | |
296 | Error("runProcess","Cannot Build the PAR Archive! - Abort!"); | |
297 | return -1; | |
298 | } | |
299 | } | |
300 | // check for SETUP.C and execute | |
301 | if (!gSystem->AccessPathName("PROOF-INF/SETUP.C")) { | |
302 | printf("*******************************\n"); | |
303 | printf("*** Setup PAR archive ***\n"); | |
304 | cout<<pararchivename<<endl; | |
305 | printf("*******************************\n"); | |
306 | gROOT->Macro("PROOF-INF/SETUP.C"); | |
307 | } | |
308 | ||
309 | gSystem->ChangeDirectory(ocwd.Data()); | |
310 | printf("Current dir: %s\n", ocwd.Data()); | |
311 | } | |
312 | ||
313 | ||
314 | ||
315 | void CreateChain(const anaModes mode, TChain * chain, TChain * chainxs){ | |
316 | //Fills chain with data | |
317 | TString ocwd = gSystem->WorkingDirectory(); | |
318 | ||
319 | //----------------------------------------------------------- | |
320 | //Analysis of CAF data locally and with PROOF | |
321 | //----------------------------------------------------------- | |
322 | if(mode ==mPROOF || mode ==mLocalCAF){ | |
323 | // Chain from CAF | |
324 | gROOT->LoadMacro("$ALICE_ROOT/PWG0/CreateESDChain.C"); | |
325 | // The second parameter is the number of input files in the chain | |
326 | chain = CreateESDChain("ESD12001.txt", 5); | |
327 | } | |
328 | ||
329 | //--------------------------------------- | |
330 | //Local files analysis | |
331 | //--------------------------------------- | |
332 | else if(mode == mLocal){ | |
333 | //If you want to add several ESD files sitting in a common directory INDIR | |
334 | //Specify as environmental variables the directory (INDIR), the number of files | |
335 | //to analyze (NEVENT) and the pattern name of the directories with files (PATTERN) | |
336 | ||
337 | if(gSystem->Getenv("INDIR")) | |
338 | kInDir = gSystem->Getenv("INDIR") ; | |
339 | else cout<<"INDIR not set, use default: "<<kInDir<<endl; | |
340 | ||
341 | if(gSystem->Getenv("PATTERN")) | |
342 | kPattern = gSystem->Getenv("PATTERN") ; | |
343 | else cout<<"PATTERN not set, use default: "<<kPattern<<endl; | |
344 | ||
345 | if(gSystem->Getenv("NEVENT")) | |
346 | kEvent = atoi(gSystem->Getenv("NEVENT")) ; | |
347 | else cout<<"NEVENT not set, use default: "<<kEvent<<endl; | |
348 | ||
349 | //Check if env variables are set and are correct | |
350 | if ( kInDir && kEvent) { | |
351 | printf("Get %d files from directory %s\n",kEvent,kInDir); | |
352 | if ( ! gSystem->cd(kInDir) ) {//check if ESDs directory exist | |
353 | printf("%s does not exist\n", kInDir) ; | |
354 | return ; | |
355 | } | |
356 | cout<<"INDIR : "<<kInDir<<endl; | |
357 | cout<<"NEVENT : "<<kEvent<<endl; | |
358 | cout<<"PATTERN: " <<kPattern<<endl; | |
359 | ||
360 | //Loop on ESD files, add them to chain | |
361 | Int_t event =0; | |
362 | Int_t skipped=0 ; | |
363 | char file[120] ; | |
364 | char filexs[120] ; | |
365 | ||
366 | for (event = 0 ; event < kEvent ; event++) { | |
367 | sprintf(file, "%s/%s%d/AliESDs.root", kInDir,kPattern,event) ; | |
368 | sprintf(filexs, "%s/%s%d/%s", kInDir,kPattern,event,kXSFileName) ; | |
369 | TFile * fESD = 0 ; | |
370 | //Check if file exists and add it, if not skip it | |
371 | if ( fESD = TFile::Open(file)) { | |
372 | if ( fESD->Get("esdTree") ) { | |
373 | printf("++++ Adding %s\n", file) ; | |
374 | chain->AddFile(file); | |
375 | chainxs->Add(filexs) ; | |
376 | } | |
377 | } | |
378 | else { | |
379 | printf("---- Skipping %s\n", file) ; | |
380 | skipped++ ; | |
381 | } | |
382 | } | |
383 | printf("number of entries # %lld, skipped %d\n", chain->GetEntries(), skipped*100) ; | |
384 | } | |
385 | else { | |
386 | TString input = "AliESDs.root" ; | |
387 | cout<<">>>>>> No list added, take a single file <<<<<<<<< "<<input<<endl; | |
388 | chain->AddFile(input); | |
389 | } | |
390 | ||
391 | }// local files analysis | |
392 | ||
393 | //------------------------------ | |
394 | //GRID xml files | |
395 | //----------------------------- | |
396 | else if(mode == mGRID){ | |
397 | //Get colection file. It is specified by the environmental | |
398 | //variable XML | |
399 | ||
400 | if(gSystem->Getenv("XML") ) | |
401 | kXML = gSystem->Getenv("XML"); | |
402 | else | |
403 | sprintf(kXML, "collection.xml") ; | |
404 | ||
405 | if (!TFile::Open(kXML)) { | |
406 | printf("No collection file with name -- %s -- was found\n",kXML); | |
407 | return ; | |
408 | } | |
409 | else cout<<"XML file "<<kXML<<endl; | |
410 | ||
411 | //Load necessary libraries and connect to the GRID | |
412 | gSystem->Load("libNetx.so") ; | |
413 | gSystem->Load("libRAliEn.so"); | |
414 | TGrid::Connect("alien://") ; | |
415 | ||
416 | //Feed Grid with collection file | |
417 | //TGridCollection * collection = (TGridCollection*)gROOT->ProcessLine(Form("TAlienCollection::Open(\"%s\", 0)", kXML)); | |
418 | TGridCollection * collection = (TGridCollection*) TAlienCollection::Open(kXML); | |
419 | if (! collection) { | |
420 | AliError(Form("%s not found", kXML)) ; | |
421 | return kFALSE ; | |
422 | } | |
423 | TGridResult* result = collection->GetGridResult("",0 ,0); | |
424 | ||
425 | // Makes the ESD chain | |
426 | printf("*** Getting the Chain ***\n"); | |
427 | for (Int_t index = 0; index < result->GetEntries(); index++) { | |
428 | TString alienURL = result->GetKey(index, "turl") ; | |
429 | cout << "================== " << alienURL << endl ; | |
430 | chain->Add(alienURL) ; | |
431 | alienURL.ReplaceAll("AliESDs.root",kXSFileName); | |
432 | chainxs->Add(alienURL) ; | |
433 | } | |
434 | }// xml analysis | |
435 | ||
436 | gSystem->ChangeDirectory(ocwd.Data()); | |
437 | } | |
438 | ||
439 | //________________________________________________ | |
440 | void GetAverageXsection(TTree * tree, Double_t & xs, Float_t & ntr) | |
441 | { | |
442 | // Read the PYTHIA statistics from the file pyxsec.root created by | |
443 | // the function WriteXsection(): | |
444 | // integrated cross section (xsection) and | |
445 | // the number of Pyevent() calls (ntrials) | |
446 | // and calculate the weight per one event xsection/ntrials | |
447 | // The spectrum calculated by a user should be | |
448 | // multiplied by this weight, something like this: | |
449 | // TH1F *userSpectrum ... // book and fill the spectrum | |
450 | // userSpectrum->Scale(weight) | |
451 | // | |
452 | // Yuri Kharlov 19 June 2007 | |
453 | // Gustavo Conesa 15 April 2008 | |
454 | Double_t xsection = 0; | |
455 | UInt_t ntrials = 0; | |
456 | xs = 0; | |
457 | ntr = 0; | |
458 | ||
459 | Int_t nfiles = tree->GetEntries() ; | |
460 | if (tree && nfiles > 0) { | |
461 | tree->SetBranchAddress("xsection",&xsection); | |
462 | tree->SetBranchAddress("ntrials",&ntrials); | |
463 | for(Int_t i = 0; i < nfiles; i++){ | |
464 | tree->GetEntry(i); | |
465 | xs += xsection ; | |
466 | ntr += ntrials ; | |
467 | cout << "xsection " <<xsection<<" ntrials "<<ntrials<<endl; | |
468 | } | |
469 | ||
470 | xs = xs / nfiles; | |
471 | ntr = ntr / nfiles; | |
472 | cout << "-----------------------------------------------------------------"<<endl; | |
473 | cout << "Average of "<< nfiles<<" files: xsection " <<xs<<" ntrials "<<ntr<<endl; | |
474 | cout << "-----------------------------------------------------------------"<<endl; | |
475 | } | |
476 | else cout << " >>>> Empty tree !!!! <<<<< "<<endl; | |
477 | ||
478 | } | |
479 | ||
480 | ||
481 |