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Commit | Line | Data |
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77203477 | 1 | // Steer TRD QA train for Reconstruction (Clusterizer, Tracking and PID). |
2 | // | |
3 | // Usage: | |
e15179be | 4 | // run.C(tasks, files) |
77203477 | 5 | // tasks : "ALL" or one/more of the following: |
6 | // "EFF" : TRD Tracking Efficiency | |
7 | // "EFFC" : TRD Tracking Efficiency Combined (barrel + stand alone) - only in case of simulations | |
8 | // "RES" : TRD tracking Resolution | |
5198d8c6 | 9 | // "CLRES": clusters Resolution |
ba2773d0 | 10 | // "CAL" : TRD calibration |
56bb0e8e | 11 | // "ALGN" : TRD alignment |
77203477 | 12 | // "PID" : TRD PID - pion efficiency |
13 | // "PIDR" : TRD PID - reference data | |
2b468513 | 14 | // "DET" : Basic TRD Detector checks |
28efdace | 15 | // "NOFR" : Data set does not have AliESDfriends.root |
4b8f8a35 | 16 | // "NOMC" : Data set does not have Monte Carlo Informations (real data), so all tasks which rely |
17 | // on MC information are switched off | |
2c0cf367 | 18 | // |
19 | // In compiled mode : | |
20 | // Don't forget to load first the libraries | |
21 | // gSystem->Load("libMemStat.so") | |
22 | // gSystem->Load("libMemStatGui.so") | |
23 | // gSystem->Load("libANALYSIS.so") | |
24 | // gSystem->Load("libTRDqaRec.so") | |
e15179be | 25 | // gSystem->Load("libNetx.so") ; |
26 | // gSystem->Load("libRAliEn.so"); | |
2c0cf367 | 27 | // |
77203477 | 28 | // Authors: |
29 | // Alex Bercuci (A.Bercuci@gsi.de) | |
30 | // Markus Fasel (m.Fasel@gsi.de) | |
31 | ||
819f5b0f | 32 | #ifndef __CINT__ |
8cc0ed91 | 33 | #include <Riostream.h> |
34 | ||
819f5b0f | 35 | #include "TStopwatch.h" |
36 | #include "TMemStat.h" | |
37 | #include "TMemStatViewerGUI.h" | |
38 | ||
39 | #include "TROOT.h" | |
40 | #include "TSystem.h" | |
8cc0ed91 | 41 | #include "TError.h" |
819f5b0f | 42 | #include "TChain.h" |
e15179be | 43 | #include "TGrid.h" |
44 | #include "TAlienCollection.h" | |
45 | #include "TGridCollection.h" | |
46 | #include "TGridResult.h" | |
819f5b0f | 47 | |
f7a1cc68 | 48 | #include "AliMagF.h" |
8cc0ed91 | 49 | #include "AliTracker.h" |
819f5b0f | 50 | #include "AliLog.h" |
51 | #include "AliCDBManager.h" | |
e15179be | 52 | #include "AliGeomManager.h" |
819f5b0f | 53 | #include "AliAnalysisManager.h" |
54 | #include "AliAnalysisDataContainer.h" | |
8cc0ed91 | 55 | #include "AliMCEventHandler.h" |
56 | #include "AliESDInputHandler.h" | |
819f5b0f | 57 | |
8cc0ed91 | 58 | #include "TRD/AliTRDtrackerV1.h" |
59 | #include "TRD/AliTRDcalibDB.h" | |
4c0f3c82 | 60 | #include "TRD/qaRec/AliTRDtrackInfo/AliTRDeventInfo.h" |
819f5b0f | 61 | #include "TRD/qaRec/AliTRDtrackInfoGen.h" |
8cc0ed91 | 62 | #include "TRD/qaRec/AliTRDtrackingEfficiency.h" |
63 | #include "TRD/qaRec/AliTRDtrackingEfficiencyCombined.h" | |
64 | #include "TRD/qaRec/AliTRDtrackingResolution.h" | |
65 | #include "TRD/qaRec/AliTRDcalibration.h" | |
e15179be | 66 | #include "TRD/qaRec/AliTRDalignmentTask.h" |
3d86166d | 67 | #include "TRD/qaRec/AliTRDpidChecker.h" |
28efdace | 68 | #include "TRD/qaRec/AliTRDpidRefMaker.h" |
2b468513 | 69 | #include "TRD/qaRec/AliTRDcheckDetector.h" |
5198d8c6 | 70 | #include "TRD/qaRec/AliTRDclusterResolution.h" |
819f5b0f | 71 | #endif |
72 | ||
3d86166d | 73 | #include "run.h" |
74 | ||
819f5b0f | 75 | Bool_t MEM = kFALSE; |
8cc0ed91 | 76 | |
e15179be | 77 | TChain* MakeChainLST(const char* filename = 0x0); |
78 | TChain* MakeChainXML(const char* filename = 0x0); | |
79 | void run(Char_t *tasks="ALL", const Char_t *files=0x0) | |
77203477 | 80 | { |
819f5b0f | 81 | TMemStat *mem = 0x0; |
8cc0ed91 | 82 | if(MEM){ |
83 | gSystem->Load("libMemStat.so"); | |
84 | gSystem->Load("libMemStatGui.so"); | |
85 | mem = new TMemStat("new, gnubuildin"); | |
86 | mem->AddStamp("Start"); | |
87 | } | |
77203477 | 88 | |
814ecea4 | 89 | TStopwatch timer; |
90 | timer.Start(); | |
814ecea4 | 91 | |
107fde80 | 92 | if(gSystem->Load("libANALYSIS.so")<0) return; |
93 | if(gSystem->Load("libTRDqaRec.so")<0) return; | |
77203477 | 94 | |
6bc4a8f4 | 95 | // DB INITIALIZATION |
96 | // initialize OCDB manager | |
97 | AliCDBManager *cdbManager = AliCDBManager::Instance(); | |
162637e4 | 98 | cdbManager->SetDefaultStorage("local://$ALICE_ROOT/OCDB"); |
6bc4a8f4 | 99 | cdbManager->SetRun(0); |
100 | cdbManager->SetCacheFlag(kFALSE); | |
6fc46cba | 101 | |
6bc4a8f4 | 102 | // initialize TRD settings |
103 | AliTRDcalibDB *cal = AliTRDcalibDB::Instance(); | |
104 | AliTRDtrackerV1::SetNTimeBins(cal->GetNumberOfTimeBins()); | |
105 | AliGeomManager::LoadGeometry(); | |
106 | ||
d2381af5 | 107 | Bool_t fHasMCdata = kTRUE; |
28efdace | 108 | Bool_t fHasFriends = kTRUE; |
773d3f8c | 109 | TObjArray *tasksArray = TString(tasks).Tokenize(" "); |
28efdace | 110 | |
111 | Int_t fSteerTask = 0; SETBIT(fSteerTask, kInfoGen); | |
773d3f8c | 112 | for(Int_t isel = 0; isel < tasksArray->GetEntriesFast(); isel++){ |
113 | TString s = (dynamic_cast<TObjString *>(tasksArray->UncheckedAt(isel)))->String(); | |
77203477 | 114 | if(s.CompareTo("ALL") == 0){ |
e15179be | 115 | for(Int_t itask = 1; itask < NQATASKS; itask++) SETBIT(fSteerTask, itask); |
77203477 | 116 | continue; |
28efdace | 117 | } else if(s.CompareTo("NOFR") == 0){ |
118 | fHasFriends = kFALSE; | |
119 | } else if(s.CompareTo("NOMC") == 0){ | |
d2381af5 | 120 | fHasMCdata = kFALSE; |
28efdace | 121 | } else { |
122 | Bool_t foundOpt = kFALSE; | |
e15179be | 123 | for(Int_t itask = 1; itask < NTRDTASKS; itask++){ |
4c0f3c82 | 124 | if(s.CompareTo(fgkTRDtaskOpt[itask]) != 0) continue; |
28efdace | 125 | SETBIT(fSteerTask, itask); |
126 | foundOpt = kTRUE; | |
127 | break; | |
128 | } | |
129 | if(!foundOpt) Info("run.C", Form("Task %s not implemented (yet).", s.Data())); | |
77203477 | 130 | } |
131 | } | |
5198d8c6 | 132 | // extra rules for calibration tasks |
e15179be | 133 | if(TSTBIT(fSteerTask, kClErrParam)) SETBIT(fSteerTask, kResolution); |
134 | if(TSTBIT(fSteerTask, kPIDRefMaker)) SETBIT(fSteerTask, kPIDChecker); | |
135 | if(TSTBIT(fSteerTask, kAlignment)) SETBIT(fSteerTask, kResolution); | |
5198d8c6 | 136 | |
8cc0ed91 | 137 | // define task list pointers; |
e15179be | 138 | AliTRDrecoTask *taskPtr[NTRDTASKS], *task = 0x0; |
139 | memset(taskPtr, 0, NTRDTASKS*sizeof(AliAnalysisTask*)); | |
8cc0ed91 | 140 | |
814ecea4 | 141 | //____________________________________________// |
e15179be | 142 | // DEFINE DATA CHAIN |
143 | TChain *chain = 0x0; | |
144 | if(!files) chain = MakeChainLST(); | |
145 | else{ | |
146 | TString fn(files); | |
147 | if(fn.EndsWith("xml")) chain = MakeChainXML(files); | |
148 | else chain = MakeChainLST(files); | |
149 | } | |
150 | if(!chain) return; | |
151 | ||
814ecea4 | 152 | //chain->SetBranchStatus("*", 0); |
153 | chain->SetBranchStatus("*FMD*",0); | |
154 | chain->SetBranchStatus("*Calo*",0); | |
155 | chain->SetBranchStatus("Tracks", 1); | |
156 | chain->SetBranchStatus("ESDfriend*",1); | |
157 | chain->Lookup(); | |
158 | chain->GetListOfFiles()->Print(); | |
159 | printf("\n ----> CHAIN HAS %d ENTRIES <----\n\n", (Int_t)chain->GetEntries()); | |
160 | ||
161 | AliLog::SetGlobalLogLevel(AliLog::kError); | |
162 | ||
163 | //____________________________________________ | |
164 | // Make the analysis manager | |
3d86166d | 165 | AliAnalysisManager *mgr = new AliAnalysisManager("TRD QA Reconstruction Manager"); |
814ecea4 | 166 | //mgr->SetSpecialOutputLocation(source); // To Be Changed |
8cc0ed91 | 167 | AliVEventHandler *esdH = 0x0, *mcH = 0x0; |
168 | mgr->SetInputEventHandler(esdH = new AliESDInputHandler); | |
169 | if(fHasMCdata) mgr->SetMCtruthEventHandler(mcH = new AliMCEventHandler()); | |
814ecea4 | 170 | //mgr->SetDebugLevel(10); |
171 | ||
172 | //____________________________________________ | |
173 | // TRD track summary generator | |
773d3f8c | 174 | mgr->AddTask(task = new AliTRDtrackInfoGen()); |
3d86166d | 175 | taskPtr[(Int_t)kInfoGen] = task; |
b718144c | 176 | task->SetDebugLevel(1); |
3d86166d | 177 | task->SetMCdata(fHasMCdata); |
814ecea4 | 178 | // Create containers for input/output |
179 | AliAnalysisDataContainer *cinput1 = mgr->CreateContainer("data", TChain::Class(), AliAnalysisManager::kInputContainer); | |
421fb961 | 180 | AliAnalysisDataContainer *coutput1 = mgr->CreateContainer("trackInfo", TObjArray::Class(), AliAnalysisManager::kExchangeContainer); |
181 | AliAnalysisDataContainer *coutput1a = mgr->CreateContainer("eventInfo", AliTRDeventInfo::Class(), AliAnalysisManager::kExchangeContainer); | |
773d3f8c | 182 | mgr->ConnectInput( task, 0, cinput1); |
183 | mgr->ConnectOutput(task, 0, coutput1); | |
421fb961 | 184 | mgr->ConnectOutput(task, 1, coutput1a); |
814ecea4 | 185 | |
28efdace | 186 | //____________________________________________ |
187 | // TRD detector checker | |
10557e39 | 188 | if(TSTBIT(fSteerTask, kCheckDetector)){ |
28efdace | 189 | mgr->AddTask(task = new AliTRDcheckDetector()); |
190 | taskPtr[(Int_t)kCheckDetector] = task; | |
9e548ae7 | 191 | task->SetDebugLevel(4); |
28efdace | 192 | task->SetMCdata(fHasMCdata); |
193 | ||
194 | // Create containers for input/output | |
195 | mgr->ConnectInput( task, 0, coutput1); | |
421fb961 | 196 | mgr->ConnectInput( task, 1, coutput1a); |
28efdace | 197 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); |
198 | } | |
199 | ||
814ecea4 | 200 | //____________________________________________ |
201 | // TRD barrel tracking efficiency | |
e15179be | 202 | if(fHasMCdata && TSTBIT(fSteerTask, kTrackingEff)){ |
773d3f8c | 203 | mgr->AddTask(task = new AliTRDtrackingEfficiency()); |
e15179be | 204 | taskPtr[(Int_t)kTrackingEff] = task; |
3d86166d | 205 | task->SetDebugLevel(0); |
206 | ||
77203477 | 207 | //Create containers for input/output |
773d3f8c | 208 | mgr->ConnectInput( task, 0, coutput1); |
28efdace | 209 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); |
77203477 | 210 | } |
814ecea4 | 211 | |
212 | //____________________________________________ | |
213 | // TRD combined tracking efficiency | |
e15179be | 214 | if(fHasMCdata && TSTBIT(fSteerTask, kTrackingEffMC)){ |
773d3f8c | 215 | mgr->AddTask(task = new AliTRDtrackingEfficiencyCombined()); |
e15179be | 216 | taskPtr[(Int_t)kTrackingEffMC] = task; |
3d86166d | 217 | task->SetDebugLevel(0); |
773d3f8c | 218 | |
77203477 | 219 | // Create containers for input/output |
773d3f8c | 220 | mgr->ConnectInput( task, 0, coutput1); |
28efdace | 221 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); |
77203477 | 222 | } |
814ecea4 | 223 | |
77203477 | 224 | //____________________________________________ |
e26505aa | 225 | // TRD tracking resolution |
e15179be | 226 | if(TSTBIT(fSteerTask, kResolution)){ |
773d3f8c | 227 | mgr->AddTask(task = new AliTRDtrackingResolution()); |
e15179be | 228 | taskPtr[(Int_t)kResolution] = task; |
3d86166d | 229 | task->SetMCdata(fHasMCdata); |
2b468513 | 230 | task->SetPostProcess(kFALSE); |
b718144c | 231 | task->SetDebugLevel(1); |
3d86166d | 232 | |
77203477 | 233 | // Create containers for input/output |
773d3f8c | 234 | mgr->ConnectInput( task, 0, coutput1); |
28efdace | 235 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); |
b2dc316d | 236 | |
5198d8c6 | 237 | // Create output containers for calibration tasks |
6fc46cba | 238 | const Int_t nc = 4; |
239 | const Char_t *cn[nc] = {"Cl", "Trklt", "MC_Cl", "MC_Trklt"}; | |
5198d8c6 | 240 | AliAnalysisDataContainer *co[nc]; |
241 | for(Int_t ic = 0; ic<nc; ic++){ | |
242 | co[ic] = mgr->CreateContainer(Form("%s%s", task->GetName(), cn[ic]), TObjArray::Class(), AliAnalysisManager::kExchangeContainer); | |
243 | mgr->ConnectOutput(task, 1+ic, co[ic]); | |
244 | } | |
b2dc316d | 245 | |
246 | // test reconstruction calibration plugin | |
e15179be | 247 | if(TSTBIT(fSteerTask, kClErrParam)){ |
5198d8c6 | 248 | mgr->AddTask(task = new AliTRDclusterResolution()); |
e15179be | 249 | taskPtr[(Int_t)kClErrParam] = task; |
6bc4a8f4 | 250 | ((AliTRDclusterResolution*)task)->SetExB(); |
5198d8c6 | 251 | mgr->ConnectInput(task, 0, co[0]); |
252 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); | |
253 | ||
6fc46cba | 254 | mgr->AddTask(task = new AliTRDclusterResolution("ClErrParamMC")); |
e15179be | 255 | taskPtr[(Int_t)kClErrParam+1] = task; |
6bc4a8f4 | 256 | ((AliTRDclusterResolution*)task)->SetExB(); |
6fc46cba | 257 | mgr->ConnectInput(task, 0, co[2]); |
258 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); | |
5198d8c6 | 259 | } |
77203477 | 260 | } |
814ecea4 | 261 | |
ba2773d0 | 262 | //____________________________________________ |
263 | // TRD calibration | |
10557e39 | 264 | if(TSTBIT(fSteerTask, kCalibration)){ |
773d3f8c | 265 | mgr->AddTask(task = new AliTRDcalibration()); |
3d86166d | 266 | taskPtr[(Int_t)kCalibration] = task; |
773d3f8c | 267 | ((AliTRDcalibration*)task)->SetLow(0); |
268 | ((AliTRDcalibration*)task)->SetHigh(30); | |
773d3f8c | 269 | ((AliTRDcalibration*)task)->SetFillZero(kFALSE); |
3d86166d | 270 | task->SetDebugLevel(0); |
271 | ||
ba2773d0 | 272 | // Create containers for input/output |
773d3f8c | 273 | mgr->ConnectInput(task, 0, coutput1); |
28efdace | 274 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); |
ba2773d0 | 275 | } |
276 | ||
56bb0e8e | 277 | //____________________________________________ |
278 | // TRD alignment | |
279 | if(TSTBIT(fSteerTask, kAlignment)){ | |
280 | mgr->AddTask(task = new AliTRDalignmentTask()); | |
281 | taskPtr[(Int_t)kAlignment] = task; | |
282 | task->SetDebugLevel(0); | |
283 | ||
284 | // Create containers for input/output | |
285 | mgr->ConnectInput(task, 0, coutput1); | |
286 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(Form("h%s", task->GetName()), TObjArray::Class(), AliAnalysisManager::kExchangeContainer)); | |
287 | ||
288 | mgr->ConnectOutput(task, 1, mgr->CreateContainer(task->GetName(), TTree::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); | |
289 | } | |
290 | ||
773d3f8c | 291 | //____________________________________________ |
e15179be | 292 | // TRD PID |
10557e39 | 293 | if(TSTBIT(fSteerTask, kPIDChecker)){ |
773d3f8c | 294 | mgr->AddTask(task = new AliTRDpidChecker()); |
3d86166d | 295 | taskPtr[(Int_t)kPIDChecker] = task; |
296 | task->SetDebugLevel(0); | |
c7cf2032 | 297 | task->SetMCdata(fHasMCdata); |
3d86166d | 298 | |
773d3f8c | 299 | // Create containers for input/output |
773d3f8c | 300 | mgr->ConnectInput( task, 0, coutput1); |
28efdace | 301 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); |
28efdace | 302 | |
e15179be | 303 | //____________________________________________ |
304 | // TRD pid reference | |
305 | if(TSTBIT(fSteerTask, kPIDRefMaker)){ | |
306 | mgr->AddTask(task = new AliTRDpidRefMaker()); | |
307 | taskPtr[(Int_t)kPIDRefMaker] = task; | |
308 | task->SetDebugLevel(0); | |
309 | task->SetMCdata(fHasMCdata); | |
310 | ||
311 | // Create containers for input/output | |
312 | mgr->ConnectInput( task, 0, coutput1); | |
313 | mgr->ConnectOutput(task, 0, mgr->CreateContainer(task->GetName(), TObjArray::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%s.root", task->GetName()))); | |
314 | mgr->ConnectOutput(task, 1, mgr->CreateContainer(Form("%sNN", task->GetName()), TTree::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%sNN.root", task->GetName()))); | |
315 | mgr->ConnectOutput(task, 2, mgr->CreateContainer(Form("%sLQ", task->GetName()), TTree::Class(), AliAnalysisManager::kOutputContainer, Form("TRD.Task%sLQ.root", task->GetName()))); | |
316 | } | |
2b468513 | 317 | } |
318 | ||
28efdace | 319 | |
814ecea4 | 320 | if (!mgr->InitAnalysis()) return; |
3d86166d | 321 | printf("\n\tRUNNING TRAIN FOR TASKS:\n"); |
e15179be | 322 | for(Int_t itask = 1; itask < NTRDTASKS; itask++){ |
323 | if(TSTBIT(fSteerTask, itask)) printf("\t %s [%s]\n", taskPtr[itask]->GetName(), taskPtr[itask]->GetTitle()); | |
3d86166d | 324 | } |
325 | printf("\n\n"); | |
d85cd79c | 326 | //mgr->PrintStatus(); |
819f5b0f | 327 | |
814ecea4 | 328 | mgr->StartAnalysis("local",chain); |
329 | ||
330 | timer.Stop(); | |
819f5b0f | 331 | timer.Print(); |
332 | ||
2c0cf367 | 333 | cal->Terminate(); |
8cc0ed91 | 334 | delete field; |
335 | delete cdbManager; | |
e15179be | 336 | for(Int_t it=NTRDTASKS; it--; ){ |
337 | if(taskPtr[it]){ | |
338 | printf("Cleaning %s [%s] ...\n", fgkTRDtaskClassName[it], taskPtr[it]->GetTitle()); | |
339 | delete taskPtr[it]; | |
340 | } | |
94f34623 | 341 | } |
8cc0ed91 | 342 | if(mcH) delete mcH; |
343 | delete esdH; | |
344 | delete mgr; | |
345 | delete chain; | |
819f5b0f | 346 | if(MEM) delete mem; |
347 | if(MEM) TMemStatViewerGUI::ShowGUI(); | |
814ecea4 | 348 | } |
8cc0ed91 | 349 | |
e15179be | 350 | //____________________________________________ |
351 | TChain* MakeChainLST(const char* filename) | |
8cc0ed91 | 352 | { |
353 | // Create the chain | |
354 | TChain* chain = new TChain("esdTree"); | |
355 | ||
356 | if(!filename){ | |
357 | chain->Add(Form("%s/AliESDs.root", gSystem->pwd())); | |
358 | return chain; | |
359 | } | |
360 | ||
361 | ||
362 | // read ESD files from the input list. | |
363 | ifstream in; | |
364 | in.open(filename); | |
365 | TString esdfile; | |
e15179be | 366 | while(in.good()) { |
8cc0ed91 | 367 | in >> esdfile; |
368 | if (!esdfile.Contains("root")) continue; // protection | |
369 | chain->Add(esdfile.Data()); | |
370 | } | |
371 | ||
372 | in.close(); | |
373 | ||
374 | return chain; | |
375 | } | |
e15179be | 376 | |
377 | //____________________________________________ | |
378 | TChain* MakeChainXML(const char* xmlfile) | |
379 | { | |
380 | if (!TFile::Open(xmlfile)) { | |
381 | Error("MakeChainXML", Form("No file %s was found", xmlfile)); | |
382 | return 0x0; | |
383 | } | |
384 | ||
385 | if(gSystem->Load("libNetx.so")<0) return 0x0; | |
386 | if(gSystem->Load("libRAliEn.so")<0) return 0x0; | |
387 | TGrid::Connect("alien://") ; | |
388 | ||
389 | TGridCollection *collection = (TGridCollection*) TAlienCollection::Open(xmlfile); | |
390 | if (!collection) { | |
391 | Error("MakeChainXML", Form("No collection found in %s", xmlfile)) ; | |
392 | return 0x0; | |
393 | } | |
394 | //collection->CheckIfOnline(); | |
395 | ||
396 | TGridResult* result = collection->GetGridResult("",0 ,0); | |
397 | if(!result->GetEntries()){ | |
398 | Error("MakeChainXML", Form("No entries found in %s", xmlfile)) ; | |
399 | return 0x0; | |
400 | } | |
401 | // Makes the ESD chain | |
402 | TChain* chain = new TChain("esdTree"); | |
403 | for (Int_t idx = 0; idx < result->GetEntries(); idx++) { | |
404 | chain->Add(result->GetKey(idx, "turl")); | |
405 | } | |
406 | return chain; | |
407 | } |