]>
Commit | Line | Data |
---|---|---|
d92b41ad | 1 | /* $Id: $ */ |
d92b41ad | 2 | //-------------------------------------------------- |
3 | // Example macro to do analysis with the | |
4 | // analysis classes in PWG4PartCorr | |
5 | // Can be executed with Root and AliRoot | |
6 | // | |
7 | // Pay attention to the options and definitions | |
8 | // set in the lines below | |
9 | // | |
10 | // Author : Gustavo Conesa Balbastre (INFN-LNF) | |
11 | // | |
12 | //------------------------------------------------- | |
2244659d | 13 | enum anaModes {mLocal=0, mGRID=3}; |
14 | //mLocal = 0: Analyze locally files in your computer | |
15 | //mGRID = 3: Analyze files on GRID | |
d92b41ad | 16 | |
17 | //--------------------------------------------------------------------------- | |
18 | //Settings to read locally several files, only for "mLocal" mode | |
19 | //The different values are default, they can be set with environmental | |
c8fe2783 | 20 | //variables: INDIR, PATTERN, NFILES, respectivelly |
54769bc0 | 21 | |
22 | char * kInDir = "/user/data/files/"; | |
3e0577a2 | 23 | char * kPattern = ""; // Data are in files kInDir/kPattern+i |
c8fe2783 | 24 | Int_t kFile = 1; // Number of files |
d92b41ad | 25 | //--------------------------------------------------------------------------- |
26 | //Collection file for grid analysis | |
27 | char * kXML = "collection.xml"; | |
28 | //--------------------------------------------------------------------------- | |
29 | //Scale histograms from file. Change to kTRUE when xsection file exists | |
30 | //Put name of file containing xsection | |
31 | //Put number of events per ESD file | |
32 | //This is an specific case for normalization of Pythia files. | |
33 | const Bool_t kGetXSectionFromFileAndScale = kFALSE ; | |
34 | const char * kXSFileName = "pyxsec.root"; | |
54769bc0 | 35 | |
d92b41ad | 36 | //--------------------------------------------------------------------------- |
37 | ||
c8fe2783 | 38 | const Bool_t kMC = kFALSE; //With real data kMC = kFALSE |
54769bc0 | 39 | const TString kInputData = "ESD"; //ESD, AOD, MC, deltaAOD |
40 | const Bool_t outAOD = kFALSE; //Some tasks doesnt need it. | |
2244659d | 41 | TString kTreeName; |
42 | const Bool_t kUsePAR = kFALSE; //set to kFALSE for libraries | |
54769bc0 | 43 | const Int_t kFilter = kFALSE; //Use ESD filter |
7175a03a | 44 | |
c8fe2783 | 45 | void ana(Int_t mode=mLocal) |
d92b41ad | 46 | { |
47 | // Main | |
54769bc0 | 48 | |
d92b41ad | 49 | //-------------------------------------------------------------------- |
50 | // Load analysis libraries | |
51 | // Look at the method below, | |
52 | // change whatever you need for your analysis case | |
53 | // ------------------------------------------------------------------ | |
2244659d | 54 | LoadLibraries() ; |
54769bc0 | 55 | // TGeoManager::Import("geometry.root") ; //need file "geometry.root" in local dir!!!! |
2244659d | 56 | |
d92b41ad | 57 | //------------------------------------------------------------------------------------------------- |
58 | //Create chain from ESD and from cross sections files, look below for options. | |
c8fe2783 | 59 | //------------------------------------------------------------------------------------------------- |
7175a03a | 60 | if(kInputData == "ESD") kTreeName = "esdTree" ; |
54769bc0 | 61 | else if(kInputData.Contains("AOD")) kTreeName = "aodTree" ; |
7175a03a | 62 | else if (kInputData == "MC") kTreeName = "TE" ; |
63 | else { | |
64 | cout<<"Wrong data type "<<kInputData<<endl; | |
65 | break; | |
66 | } | |
54769bc0 | 67 | |
2244659d | 68 | if(kFilter) outAOD = kTRUE; |
69 | ||
c8fe2783 | 70 | TChain *chain = new TChain(kTreeName) ; |
d92b41ad | 71 | TChain * chainxs = new TChain("Xsection") ; |
72 | CreateChain(mode, chain, chainxs); | |
54769bc0 | 73 | |
d92b41ad | 74 | if(chain){ |
75 | AliLog::SetGlobalLogLevel(AliLog::kError);//Minimum prints on screen | |
76 | ||
77 | //-------------------------------------- | |
78 | // Make the analysis manager | |
79 | //------------------------------------- | |
80 | AliAnalysisManager *mgr = new AliAnalysisManager("Manager", "Manager"); | |
54769bc0 | 81 | //AliAnalysisManager::SetUseProgressBar(kTRUE); |
82 | //mgr->SetSkipTerminate(kTRUE); | |
83 | //mgr->SetNSysInfo(1); | |
84 | ||
d92b41ad | 85 | // MC handler |
54769bc0 | 86 | if((kMC || kInputData == "MC") && !kInputData.Contains("AOD")){ |
d92b41ad | 87 | AliMCEventHandler* mcHandler = new AliMCEventHandler(); |
88 | mcHandler->SetReadTR(kFALSE);//Do not search TrackRef file | |
89 | mgr->SetMCtruthEventHandler(mcHandler); | |
54769bc0 | 90 | if( kInputData == "MC") { |
2244659d | 91 | cout<<"MC INPUT EVENT HANDLER"<<endl; |
54769bc0 | 92 | mgr->SetInputEventHandler(NULL); |
93 | } | |
d92b41ad | 94 | } |
54769bc0 | 95 | |
d92b41ad | 96 | // AOD output handler |
54769bc0 | 97 | if(kInputData!="deltaAOD" && outAOD){ |
98 | cout<<"Init output handler"<<endl; | |
99 | AliAODHandler* aodoutHandler = new AliAODHandler(); | |
100 | aodoutHandler->SetOutputFileName("aod.root"); | |
101 | ////aodoutHandler->SetCreateNonStandardAOD(); | |
102 | mgr->SetOutputEventHandler(aodoutHandler); | |
103 | } | |
c8fe2783 | 104 | |
d92b41ad | 105 | //input |
54769bc0 | 106 | |
107 | if(kInputData == "ESD"){ | |
d92b41ad | 108 | // ESD handler |
109 | AliESDInputHandler *esdHandler = new AliESDInputHandler(); | |
54769bc0 | 110 | esdHandler->SetReadFriends(kFALSE); |
d92b41ad | 111 | mgr->SetInputEventHandler(esdHandler); |
54769bc0 | 112 | cout<<"ESD handler "<<mgr->GetInputEventHandler()<<endl; |
113 | } | |
114 | else if(kInputData.Contains("AOD")){ | |
d92b41ad | 115 | // AOD handler |
116 | AliAODInputHandler *aodHandler = new AliAODInputHandler(); | |
117 | mgr->SetInputEventHandler(aodHandler); | |
54769bc0 | 118 | if(kInputData == "deltaAOD") aodHandler->AddFriend("deltaAODPartCorr.root"); |
119 | cout<<"AOD handler "<<mgr->GetInputEventHandler()<<endl; | |
d92b41ad | 120 | } |
54769bc0 | 121 | //mgr->RegisterExternalFile("deltaAODPartCorr.root"); |
122 | //mgr->SetDebugLevel(-1); // For debugging, do not uncomment if you want no messages. | |
123 | ||
d92b41ad | 124 | //------------------------------------------------------------------------- |
125 | //Define task, put here any other task that you want to use. | |
126 | //------------------------------------------------------------------------- | |
8a546c82 | 127 | AliAnalysisDataContainer *cinput1 = mgr->GetCommonInputContainer(); |
54769bc0 | 128 | AliAnalysisDataContainer *coutput1; |
129 | if(outAOD){ | |
130 | ||
131 | coutput1 = mgr->GetCommonOutputContainer(); | |
132 | ||
133 | if(kInputData=="ESD"){ | |
134 | ||
135 | gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskPhysicsSelection.C"); | |
136 | AliPhysicsSelectionTask* physSelTask = AddTaskPhysicsSelection(); | |
2244659d | 137 | |
54769bc0 | 138 | if(kFilter){ |
2244659d | 139 | |
140 | // Set of cuts | |
141 | //for standard global track cuts | |
142 | AliESDtrackCuts* esdTrackCutsGlobal = AliESDtrackCuts::GetStandardITSTPCTrackCuts2009(kTRUE); | |
143 | esdTrackCutsGlobal->SetName("StandardFromAliESDTrackCuts"); | |
144 | ||
145 | //for TPC tracks only | |
146 | // AliESDtrackCuts* esdTrackCutsTPC = AliESDtrackCuts::GetStandardTPCOnlyTrackCuts(); | |
147 | // esdTrackCutsTPC->SetRequireTPCRefit(kTRUE); | |
148 | // esdTrackCutsTPC->SetMinNClustersTPC(70); | |
149 | ||
150 | AliAnalysisFilter* trackFilter = new AliAnalysisFilter("trackFilter"); | |
151 | trackFilter->AddCuts(esdTrackCutsGlobal); | |
152 | //trackFilter->AddCuts(esdTrackCutsTPC); | |
153 | ||
54769bc0 | 154 | gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskESDFilter.C"); |
155 | AliAnalysisTaskESDfilter *taskesdfilter = AddTaskESDFilter(kFALSE); | |
2244659d | 156 | esdfilter->SetTrackFilter(trackFilter); |
157 | kInputData = "AOD" ; | |
158 | kTreeName = "aodTree" ; | |
54769bc0 | 159 | } |
160 | } | |
161 | } | |
162 | ||
163 | gROOT->LoadMacro("$ALICE_ROOT/PWG4/macros/AddTaskPartCorr.C"); | |
2244659d | 164 | |
165 | AliAnalysisTaskParticleCorrelation *taskEMCAL = AddTaskPartCorr(kInputData,"EMCAL", kFALSE,kFALSE, kFALSE); | |
54769bc0 | 166 | //mgr->ProfileTask("PartCorrEMCAL"); |
167 | ||
2244659d | 168 | //AliAnalysisTaskParticleCorrelation *taskPHOS = AddTaskPartCorr(kInputData,"PHOS", kFALSE,kFALSE,kFALSE); |
54769bc0 | 169 | //mgr->ProfileTask("PartCorrPHOS"); |
170 | ||
2244659d | 171 | //gROOT->LoadMacro("$ALICE_ROOT/PWG4/macros/QA/AddTaskCalorimeterQA.C"); |
172 | //AliAnalysisTaskParticleCorrelation *taskQA = AddTaskCalorimeterQA(kInputData,kFALSE,kFALSE); | |
54769bc0 | 173 | //mgr->ProfileTask("CalorimeterPerformance"); |
174 | ||
d92b41ad | 175 | //----------------------- |
176 | // Run the analysis | |
177 | //----------------------- | |
d92b41ad | 178 | mgr->InitAnalysis(); |
179 | mgr->PrintStatus(); | |
2244659d | 180 | mgr->StartAnalysis("local",chain); |
3e0577a2 | 181 | |
54769bc0 | 182 | cout <<" Analysis ended sucessfully "<< endl ; |
183 | ||
d92b41ad | 184 | } |
185 | else cout << "Chain was not produced ! "<<endl; | |
54769bc0 | 186 | //printf("*** DELETE MANAGER ***\n"); |
187 | // delete mgr; | |
d92b41ad | 188 | |
189 | } | |
190 | ||
2244659d | 191 | void LoadLibraries() { |
d92b41ad | 192 | |
193 | //-------------------------------------- | |
194 | // Load the needed libraries most of them already loaded by aliroot | |
195 | //-------------------------------------- | |
196 | gSystem->Load("libTree.so"); | |
197 | gSystem->Load("libGeom.so"); | |
198 | gSystem->Load("libVMC.so"); | |
199 | gSystem->Load("libXMLIO.so"); | |
54769bc0 | 200 | gSystem->Load("libMatrix.so"); |
201 | gSystem->Load("libPhysics.so"); | |
2244659d | 202 | |
203 | if(kUsePAR){ | |
204 | //-------------------------------------------------------- | |
205 | //If you want to use root and par files from aliroot | |
206 | //-------------------------------------------------------- | |
207 | SetupPar("STEERBase"); | |
208 | SetupPar("ESD"); | |
209 | SetupPar("AOD"); | |
210 | SetupPar("ANALYSIS"); | |
211 | SetupPar("ANALYSISalice"); | |
212 | SetupPar("PHOSUtils"); | |
213 | SetupPar("EMCALUtils"); | |
214 | SetupPar("PWG4PartCorrBase"); | |
215 | SetupPar("PWG4PartCorrDep"); | |
216 | } | |
217 | else{ | |
d92b41ad | 218 | //-------------------------------------------------------- |
219 | // If you want to use already compiled libraries | |
220 | // in the aliroot distribution | |
221 | //-------------------------------------------------------- | |
c8fe2783 | 222 | gSystem->Load("libSTEERBase.so"); |
223 | gSystem->Load("libESD.so"); | |
224 | gSystem->Load("libAOD.so"); | |
225 | gSystem->Load("libANALYSIS.so"); | |
226 | gSystem->Load("libANALYSISalice.so"); | |
227 | gSystem->Load("libPHOSUtils"); | |
228 | gSystem->Load("libEMCALUtils"); | |
229 | gSystem->Load("libPWG4PartCorrBase.so"); | |
230 | gSystem->Load("libPWG4PartCorrDep.so"); | |
54769bc0 | 231 | if(kFilter){ |
232 | gSystem->Load("libCORRFW.so"); | |
233 | gSystem->Load("libPWG3base.so"); | |
234 | gSystem->Load("libPWG3muon.so"); | |
235 | } | |
d92b41ad | 236 | } |
d92b41ad | 237 | } |
238 | ||
239 | void SetupPar(char* pararchivename) | |
240 | { | |
241 | //Load par files, create analysis libraries | |
242 | //For testing, if par file already decompressed and modified | |
243 | //classes then do not decompress. | |
244 | ||
245 | TString cdir(Form("%s", gSystem->WorkingDirectory() )) ; | |
246 | TString parpar(Form("%s.par", pararchivename)) ; | |
2244659d | 247 | // if ( gSystem->AccessPathName(parpar.Data()) ) { |
248 | // gSystem->ChangeDirectory(gSystem->Getenv("ALICE_ROOT")) ; | |
249 | // TString processline(Form(".! make %s", parpar.Data())) ; | |
250 | // gROOT->ProcessLine(processline.Data()) ; | |
251 | // gSystem->ChangeDirectory(cdir) ; | |
252 | // processline = Form(".! mv $ALICE_ROOT/%s .", parpar.Data()) ; | |
253 | // gROOT->ProcessLine(processline.Data()) ; | |
254 | // } | |
d92b41ad | 255 | if ( gSystem->AccessPathName(pararchivename) ) { |
256 | TString processline = Form(".! tar xvzf %s",parpar.Data()) ; | |
257 | gROOT->ProcessLine(processline.Data()); | |
258 | } | |
259 | ||
260 | TString ocwd = gSystem->WorkingDirectory(); | |
261 | gSystem->ChangeDirectory(pararchivename); | |
262 | ||
263 | // check for BUILD.sh and execute | |
264 | if (!gSystem->AccessPathName("PROOF-INF/BUILD.sh")) { | |
265 | printf("*******************************\n"); | |
266 | printf("*** Building PAR archive ***\n"); | |
267 | cout<<pararchivename<<endl; | |
268 | printf("*******************************\n"); | |
269 | ||
270 | if (gSystem->Exec("PROOF-INF/BUILD.sh")) { | |
271 | Error("runProcess","Cannot Build the PAR Archive! - Abort!"); | |
272 | return -1; | |
273 | } | |
274 | } | |
275 | // check for SETUP.C and execute | |
276 | if (!gSystem->AccessPathName("PROOF-INF/SETUP.C")) { | |
277 | printf("*******************************\n"); | |
278 | printf("*** Setup PAR archive ***\n"); | |
279 | cout<<pararchivename<<endl; | |
280 | printf("*******************************\n"); | |
281 | gROOT->Macro("PROOF-INF/SETUP.C"); | |
282 | } | |
283 | ||
284 | gSystem->ChangeDirectory(ocwd.Data()); | |
285 | printf("Current dir: %s\n", ocwd.Data()); | |
286 | } | |
287 | ||
288 | ||
289 | ||
290 | void CreateChain(const anaModes mode, TChain * chain, TChain * chainxs){ | |
291 | //Fills chain with data | |
292 | TString ocwd = gSystem->WorkingDirectory(); | |
293 | ||
d92b41ad | 294 | //--------------------------------------- |
295 | //Local files analysis | |
296 | //--------------------------------------- | |
2244659d | 297 | if(mode == mLocal){ |
d92b41ad | 298 | //If you want to add several ESD files sitting in a common directory INDIR |
299 | //Specify as environmental variables the directory (INDIR), the number of files | |
c8fe2783 | 300 | //to analyze (NFILES) and the pattern name of the directories with files (PATTERN) |
d92b41ad | 301 | |
302 | if(gSystem->Getenv("INDIR")) | |
303 | kInDir = gSystem->Getenv("INDIR") ; | |
304 | else cout<<"INDIR not set, use default: "<<kInDir<<endl; | |
305 | ||
306 | if(gSystem->Getenv("PATTERN")) | |
307 | kPattern = gSystem->Getenv("PATTERN") ; | |
308 | else cout<<"PATTERN not set, use default: "<<kPattern<<endl; | |
309 | ||
c8fe2783 | 310 | if(gSystem->Getenv("NFILES")) |
311 | kFile = atoi(gSystem->Getenv("NFILES")) ; | |
312 | else cout<<"NFILES not set, use default: "<<kFile<<endl; | |
d92b41ad | 313 | |
314 | //Check if env variables are set and are correct | |
c8fe2783 | 315 | if ( kInDir && kFile) { |
316 | printf("Get %d files from directory %s\n",kFile,kInDir); | |
d92b41ad | 317 | if ( ! gSystem->cd(kInDir) ) {//check if ESDs directory exist |
318 | printf("%s does not exist\n", kInDir) ; | |
319 | return ; | |
320 | } | |
c8fe2783 | 321 | |
322 | //if(gSystem->Getenv("XSFILE")) | |
323 | //kXSFileName = gSystem->Getenv("XSFILE") ; | |
324 | //else cout<<" XS file name not set, use default: "<<kXSFileName<<endl; | |
325 | char * kGener = gSystem->Getenv("GENER"); | |
326 | if(kGener) { | |
327 | cout<<"GENER "<<kGener<<endl; | |
328 | if(!strcmp(kGener,"PYTHIA")) kXSFileName = "pyxsec.root"; | |
329 | else if(!strcmp(kGener,"HERWIG")) kXSFileName = "hexsec.root"; | |
330 | else cout<<" UNKNOWN GENER, use default: "<<kXSFileName<<endl; | |
331 | } | |
332 | else cout<<" GENER not set, use default xs file name: "<<kXSFileName<<endl; | |
333 | ||
334 | cout<<"INDIR : "<<kInDir<<endl; | |
335 | cout<<"NFILES : "<<kFile<<endl; | |
336 | cout<<"PATTERN : " <<kPattern<<endl; | |
337 | cout<<"XSFILE : "<<kXSFileName<<endl; | |
338 | ||
7175a03a | 339 | TString datafile=""; |
340 | if(kInputData == "ESD") datafile = "AliESDs.root" ; | |
54769bc0 | 341 | else if(kInputData.Contains("AOD")) datafile = "AliAOD.root" ; |
7175a03a | 342 | else if(kInputData == "MC") datafile = "galice.root" ; |
343 | ||
d92b41ad | 344 | //Loop on ESD files, add them to chain |
345 | Int_t event =0; | |
346 | Int_t skipped=0 ; | |
347 | char file[120] ; | |
348 | char filexs[120] ; | |
349 | ||
c8fe2783 | 350 | for (event = 0 ; event < kFile ; event++) { |
7175a03a | 351 | sprintf(file, "%s/%s%d/%s", kInDir,kPattern,event,datafile.Data()) ; |
d92b41ad | 352 | sprintf(filexs, "%s/%s%d/%s", kInDir,kPattern,event,kXSFileName) ; |
353 | TFile * fESD = 0 ; | |
354 | //Check if file exists and add it, if not skip it | |
355 | if ( fESD = TFile::Open(file)) { | |
7175a03a | 356 | if ( fESD->Get(kTreeName) ) { |
d92b41ad | 357 | printf("++++ Adding %s\n", file) ; |
358 | chain->AddFile(file); | |
359 | chainxs->Add(filexs) ; | |
360 | } | |
361 | } | |
362 | else { | |
363 | printf("---- Skipping %s\n", file) ; | |
364 | skipped++ ; | |
365 | } | |
366 | } | |
c8fe2783 | 367 | printf("number of entries # %lld, skipped %d\n", chain->GetEntries(), skipped*100) ; |
d92b41ad | 368 | } |
369 | else { | |
370 | TString input = "AliESDs.root" ; | |
371 | cout<<">>>>>> No list added, take a single file <<<<<<<<< "<<input<<endl; | |
372 | chain->AddFile(input); | |
373 | } | |
374 | ||
375 | }// local files analysis | |
376 | ||
377 | //------------------------------ | |
378 | //GRID xml files | |
379 | //----------------------------- | |
380 | else if(mode == mGRID){ | |
381 | //Get colection file. It is specified by the environmental | |
382 | //variable XML | |
383 | ||
384 | if(gSystem->Getenv("XML") ) | |
385 | kXML = gSystem->Getenv("XML"); | |
386 | else | |
387 | sprintf(kXML, "collection.xml") ; | |
388 | ||
389 | if (!TFile::Open(kXML)) { | |
390 | printf("No collection file with name -- %s -- was found\n",kXML); | |
391 | return ; | |
392 | } | |
393 | else cout<<"XML file "<<kXML<<endl; | |
394 | ||
395 | //Load necessary libraries and connect to the GRID | |
396 | gSystem->Load("libNetx.so") ; | |
397 | gSystem->Load("libRAliEn.so"); | |
398 | TGrid::Connect("alien://") ; | |
399 | ||
400 | //Feed Grid with collection file | |
401 | //TGridCollection * collection = (TGridCollection*)gROOT->ProcessLine(Form("TAlienCollection::Open(\"%s\", 0)", kXML)); | |
402 | TGridCollection * collection = (TGridCollection*) TAlienCollection::Open(kXML); | |
403 | if (! collection) { | |
404 | AliError(Form("%s not found", kXML)) ; | |
405 | return kFALSE ; | |
406 | } | |
407 | TGridResult* result = collection->GetGridResult("",0 ,0); | |
408 | ||
409 | // Makes the ESD chain | |
410 | printf("*** Getting the Chain ***\n"); | |
411 | for (Int_t index = 0; index < result->GetEntries(); index++) { | |
412 | TString alienURL = result->GetKey(index, "turl") ; | |
413 | cout << "================== " << alienURL << endl ; | |
414 | chain->Add(alienURL) ; | |
415 | alienURL.ReplaceAll("AliESDs.root",kXSFileName); | |
416 | chainxs->Add(alienURL) ; | |
417 | } | |
418 | }// xml analysis | |
419 | ||
420 | gSystem->ChangeDirectory(ocwd.Data()); | |
421 | } | |
422 | ||
423 | //________________________________________________ | |
424 | void GetAverageXsection(TTree * tree, Double_t & xs, Float_t & ntr) | |
425 | { | |
426 | // Read the PYTHIA statistics from the file pyxsec.root created by | |
427 | // the function WriteXsection(): | |
428 | // integrated cross section (xsection) and | |
429 | // the number of Pyevent() calls (ntrials) | |
430 | // and calculate the weight per one event xsection/ntrials | |
431 | // The spectrum calculated by a user should be | |
432 | // multiplied by this weight, something like this: | |
433 | // TH1F *userSpectrum ... // book and fill the spectrum | |
434 | // userSpectrum->Scale(weight) | |
435 | // | |
436 | // Yuri Kharlov 19 June 2007 | |
437 | // Gustavo Conesa 15 April 2008 | |
438 | Double_t xsection = 0; | |
439 | UInt_t ntrials = 0; | |
440 | xs = 0; | |
441 | ntr = 0; | |
442 | ||
443 | Int_t nfiles = tree->GetEntries() ; | |
444 | if (tree && nfiles > 0) { | |
445 | tree->SetBranchAddress("xsection",&xsection); | |
446 | tree->SetBranchAddress("ntrials",&ntrials); | |
447 | for(Int_t i = 0; i < nfiles; i++){ | |
448 | tree->GetEntry(i); | |
449 | xs += xsection ; | |
450 | ntr += ntrials ; | |
451 | cout << "xsection " <<xsection<<" ntrials "<<ntrials<<endl; | |
452 | } | |
453 | ||
454 | xs = xs / nfiles; | |
455 | ntr = ntr / nfiles; | |
456 | cout << "-----------------------------------------------------------------"<<endl; | |
457 | cout << "Average of "<< nfiles<<" files: xsection " <<xs<<" ntrials "<<ntr<<endl; | |
458 | cout << "-----------------------------------------------------------------"<<endl; | |
459 | } | |
460 | else cout << " >>>> Empty tree !!!! <<<<< "<<endl; | |
461 | ||
462 | } | |
463 | ||
464 | ||
465 |