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ea199e33 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | // $Id$ | |
17 | ||
18 | #include "AliMUONPedestalEventGenerator.h" | |
19 | ||
24dbd5dd | 20 | #include "AliCodeTimer.h" |
21 | #include "AliDAQ.h" | |
ea199e33 | 22 | #include "AliHeader.h" |
23 | #include "AliLog.h" | |
24 | #include "AliMUONCalibrationData.h" | |
ea199e33 | 25 | #include "AliMUONRawWriter.h" |
26 | #include "AliMUONVCalibParam.h" | |
42825ed9 | 27 | #include "AliMUONVDigit.h" |
24dbd5dd | 28 | #include "AliMUONVDigitStore.h" |
42825ed9 | 29 | #include "AliMUONVStore.h" |
30 | #include "AliMpCathodType.h" | |
31 | #include "AliMpConstants.h" | |
32 | #include "AliMpDEStore.h" | |
33 | #include "AliMpDetElement.h" | |
42825ed9 | 34 | #include "AliMpPlaneType.h" |
24dbd5dd | 35 | #include "AliRawDataHeaderSim.h" |
c93255fe | 36 | #include "AliLoader.h" |
ea199e33 | 37 | #include "AliRunLoader.h" |
42825ed9 | 38 | #include <TClonesArray.h> |
39 | #include <TMath.h> | |
40 | #include <TROOT.h> | |
41 | #include <TRandom.h> | |
42 | #include <TStopwatch.h> | |
43 | #include <TSystem.h> | |
c93255fe | 44 | #include <TTree.h> |
ea199e33 | 45 | |
b785c4bd | 46 | #include <cstdio> |
47 | ||
3d1463c8 | 48 | //----------------------------------------------------------------------------- |
ea199e33 | 49 | /// \class AliMUONPedestalEventGenerator |
50 | /// | |
51 | /// Generate simulated pedestal events for MUON TRK, to be able to e.g. test | |
52 | /// online calibration routines. | |
53 | /// | |
54 | /// The pedestals themselves are taken from the CDB. What we get from the CDB | |
55 | /// is, per channel, the mean and the sigma of the pedestal. We then use | |
56 | /// those informations to randomly get the pedestals for each channel, for | |
57 | /// each event (picking in a gaus(mean,sigma)). | |
58 | /// | |
59 | /// Output can be just digits, or digits + raw (ddl), or digits + raw (ddl) | |
60 | /// + raw (date files, one per LDC), depending of ctor and MakeDDL() method. | |
61 | /// | |
62 | /// \author L. Aphecetche | |
3d1463c8 | 63 | //----------------------------------------------------------------------------- |
ea199e33 | 64 | |
65 | /// \cond CLASSIMP | |
66 | ClassImp(AliMUONPedestalEventGenerator) | |
67 | /// \endcond | |
68 | ||
69 | Int_t AliMUONPedestalEventGenerator::fgCounter(0); | |
70 | ||
42825ed9 | 71 | //std::streambuf* RedirectTo(std::ostream& what, std::ostream& to) |
72 | //{ | |
73 | // std::streambuf* old = what.rdbuf(); | |
74 | // | |
75 | // std::streambuf* psbuf = to.rdbuf(); | |
76 | // what.rdbuf(psbuf); | |
77 | // | |
78 | // return old; | |
79 | //} | |
80 | ||
ea199e33 | 81 | //_____________________________________________________________________________ |
82 | AliMUONPedestalEventGenerator::AliMUONPedestalEventGenerator(Int_t runNumber, | |
83 | Int_t nevents, | |
84 | const char* filename) | |
85 | : TTask("AliMUONPedestalEventGenerator","Generate fake pedestal events"), | |
ea199e33 | 86 | fCalibrationData(new AliMUONCalibrationData(runNumber)), |
87 | fDateFileName(filename), | |
88 | fGAliceFileName("galice.root"), | |
42825ed9 | 89 | fMakeDDL(kTRUE), |
90 | fLoader(0x0), | |
91 | fPedestals(fCalibrationData->Pedestals()), | |
42825ed9 | 92 | fDigitStore(0x0), |
93 | fRawWriter(0x0) | |
ea199e33 | 94 | { |
95 | /// Will generate pedestals according to (mean,sigma)s found in CDB | |
96 | /// for run runNumber. | |
97 | /// Will generate nevents events | |
98 | /// If filename is != "", it will be the basename of the output LDC files | |
99 | /// | |
100 | if (!gSystem->IsAbsoluteFileName(fGAliceFileName)) | |
101 | { | |
102 | char* absFileName = gSystem->ConcatFileName(gSystem->WorkingDirectory(), | |
103 | fGAliceFileName); | |
104 | fGAliceFileName = absFileName; | |
105 | delete[] absFileName; | |
106 | } | |
107 | ||
108 | AliRunLoader* runLoader = LoadRun("recreate"); | |
ea199e33 | 109 | if (!runLoader) |
110 | { | |
111 | AliError("Could not create RunLoader"); | |
112 | return; | |
113 | } | |
114 | ||
e6fb429f | 115 | runLoader->SetNumberOfEventsPerFile(nevents); |
116 | ||
ea199e33 | 117 | // Initialize event headers. |
118 | runLoader->MakeTree("E"); | |
42825ed9 | 119 | |
ea199e33 | 120 | for ( Int_t iEvent = 0; iEvent < nevents; ++iEvent ) |
121 | { | |
122 | runLoader->SetEventNumber(iEvent); | |
123 | runLoader->GetHeader()->Reset(runNumber,iEvent); | |
124 | runLoader->TreeE()->Fill(); | |
125 | } | |
126 | runLoader->WriteHeader("OVERWRITE"); | |
127 | runLoader->CdGAFile(); | |
128 | runLoader->Write(0, TObject::kOverwrite); | |
129 | ||
ea199e33 | 130 | delete runLoader; |
42825ed9 | 131 | fLoader = 0x0; |
ea199e33 | 132 | } |
133 | ||
134 | ||
135 | //_____________________________________________________________________________ | |
136 | AliMUONPedestalEventGenerator::~AliMUONPedestalEventGenerator() | |
137 | { | |
138 | /// dtor | |
ea199e33 | 139 | delete fCalibrationData; |
140 | AliInfo(Form("make a digit counter %d",fgCounter)); | |
42825ed9 | 141 | delete fDigitStore; |
142 | delete fRawWriter; | |
ea199e33 | 143 | } |
144 | ||
145 | //_____________________________________________________________________________ | |
146 | Bool_t | |
147 | AliMUONPedestalEventGenerator::ConvertRawFilesToDate() | |
148 | { | |
149 | /// convert raw data DDL files to DATE files with the program "dateStream". | |
150 | /// we make one file per LDC | |
151 | ||
99c136e1 | 152 | AliCodeTimerAuto("",0) |
42825ed9 | 153 | |
154 | AliInfo("Converting raw to date"); | |
155 | ||
ea199e33 | 156 | const Int_t kIDet = AliDAQ::DetectorID("MUONTRK"); |
157 | ||
6c870207 | 158 | const Int_t kNLDCs = 5;//TMath::CeilNint(AliDAQ::NumberOfLdcs(kIDet)); |
ea199e33 | 159 | |
160 | char* path = gSystem->Which(gSystem->Getenv("PATH"), "dateStream"); | |
161 | if (!path) | |
162 | { | |
163 | AliError("the program dateStream was not found"); | |
164 | return kFALSE; | |
165 | } | |
166 | ||
167 | delete[] path; | |
168 | ||
169 | AliRunLoader* runLoader = LoadRun("read"); | |
170 | if (!runLoader) return kFALSE; | |
171 | ||
172 | AliInfo(Form("converting raw data DDL files to DATE files %s", fDateFileName.Data())); | |
173 | FILE** pipe = new FILE*[kNLDCs]; | |
174 | ||
175 | for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile) | |
176 | { | |
177 | char command[256]; | |
178 | // Note the option -s. It is used in order to avoid | |
179 | // the generation of SOR/EOR events. | |
b785c4bd | 180 | snprintf(command, 256, "dateStream -c -D -o %s.LDC%d -# %d -C", |
ea199e33 | 181 | fDateFileName.Data(), iFile, runLoader->GetNumberOfEvents()); |
182 | pipe[iFile] = gSystem->OpenPipe(command, "w"); | |
183 | } | |
184 | ||
185 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) | |
186 | { | |
187 | Float_t ldc = 0; | |
188 | Int_t prevLDC = -1; | |
189 | ||
190 | for (Int_t iDDL = 0; iDDL < AliDAQ::NumberOfDdls(kIDet); ++iDDL) | |
191 | { | |
192 | Int_t ddlID = AliDAQ::DdlID(kIDet,iDDL); | |
193 | Int_t ldcID = Int_t(ldc + 0.0001); | |
194 | ldc += AliDAQ::NumberOfLdcs(kIDet) / AliDAQ::NumberOfDdls(kIDet); | |
195 | ||
196 | char rawFileName[256]; | |
b785c4bd | 197 | snprintf(rawFileName, 256, "raw%d/%s", |
ea199e33 | 198 | iEvent, AliDAQ::DdlFileName(kIDet,iDDL)); |
199 | ||
200 | // check existence and size of raw data file | |
201 | FILE* file = fopen(rawFileName, "rb"); | |
202 | if (!file) continue; | |
203 | fseek(file, 0, SEEK_END); | |
204 | unsigned long size = ftell(file); | |
205 | fclose(file); | |
206 | if (!size) continue; | |
207 | ||
208 | if (ldcID != prevLDC) { | |
209 | fprintf(pipe[ldcID], " LDC Id %d\n", ldcID); | |
210 | prevLDC = ldcID; | |
211 | } | |
212 | fprintf(pipe[ldcID], " Equipment Id %d Payload %s\n", ddlID, rawFileName); | |
213 | } | |
214 | } | |
215 | ||
216 | Int_t result(0); | |
217 | ||
218 | for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile) | |
219 | { | |
220 | result += gSystem->ClosePipe(pipe[iFile]); | |
221 | } | |
222 | ||
4332f0d4 | 223 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) |
224 | { | |
225 | char command[256]; | |
b785c4bd | 226 | snprintf(command, 256, "rm -r raw%d", iEvent); |
4332f0d4 | 227 | gSystem->Exec(command); |
228 | } | |
229 | ||
ea199e33 | 230 | delete [] pipe; |
231 | delete runLoader; | |
42825ed9 | 232 | fLoader=0x0; |
ea199e33 | 233 | return (result == 0); |
234 | } | |
235 | ||
42825ed9 | 236 | //_____________________________________________________________________________ |
237 | AliMUONVDigitStore* | |
238 | AliMUONPedestalEventGenerator::DigitStore() | |
239 | { | |
240 | /// Return digt container; create it if it does not exist | |
241 | ||
4332f0d4 | 242 | if (!fDigitStore) fDigitStore = AliMUONVDigitStore::Create("AliMUONDigitStoreV2R"); |
42825ed9 | 243 | return fDigitStore; |
244 | } | |
245 | ||
ea199e33 | 246 | //_____________________________________________________________________________ |
247 | void | |
248 | AliMUONPedestalEventGenerator::Exec(Option_t*) | |
249 | { | |
250 | /// Main steering method | |
251 | ||
99c136e1 | 252 | AliCodeTimerAuto("",0) |
42825ed9 | 253 | |
254 | if (!fPedestals) | |
255 | { | |
256 | AliError("No pedestal store. Cannot proceed."); | |
257 | return; | |
258 | } | |
259 | ||
260 | AliRunLoader* runLoader = LoadRun("update"); | |
ea199e33 | 261 | |
42825ed9 | 262 | Int_t nevents = runLoader->GetNumberOfEvents(); |
263 | ||
264 | for ( Int_t i = 0; i < nevents ; ++i ) | |
ea199e33 | 265 | { |
ea199e33 | 266 | runLoader->GetEvent(i); |
ea199e33 | 267 | |
42825ed9 | 268 | fLoader->MakeDigitsContainer(); |
269 | TTree* treeD = fLoader->TreeD(); | |
270 | if (!treeD) | |
ea199e33 | 271 | { |
42825ed9 | 272 | AliError(Form("Could not get TreeD for event %d",i)); |
273 | continue; | |
ea199e33 | 274 | } |
ea199e33 | 275 | |
42825ed9 | 276 | DigitStore()->Connect(*treeD); |
277 | ||
278 | GenerateDigits(*(DigitStore())); | |
279 | ||
ea199e33 | 280 | // Fill the output treeD |
42825ed9 | 281 | treeD->Fill(); |
ea199e33 | 282 | |
283 | // Write to the output tree(D). | |
284 | // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same | |
285 | // tree (=TreeD) in different branches, this WriteDigits in fact writes all of | |
286 | // the 3 branches. | |
42825ed9 | 287 | |
134d2964 | 288 | AliCodeTimerStart("WriteDigits") |
42825ed9 | 289 | fLoader->WriteDigits("OVERWRITE"); |
134d2964 | 290 | AliCodeTimerStop("WriteDigits") |
ea199e33 | 291 | |
42825ed9 | 292 | fLoader->UnloadDigits(); |
ea199e33 | 293 | |
42825ed9 | 294 | if ( fMakeDDL ) |
295 | { | |
dd0be8a7 | 296 | AliCodeTimerAuto("Digits2Raw",1); |
42825ed9 | 297 | Digits2Raw(i); |
298 | } | |
ea199e33 | 299 | } |
42825ed9 | 300 | |
ea199e33 | 301 | runLoader->WriteRunLoader("OVERWRITE"); |
ea199e33 | 302 | delete runLoader; |
42825ed9 | 303 | fLoader = 0x0; |
304 | ||
ea199e33 | 305 | // Finally, if instructed to do so, convert DDL files to DATE file(s) |
306 | if ( fMakeDDL && fDateFileName.Length() > 0 ) | |
307 | { | |
70d92702 | 308 | AliCodeTimerAuto("ConvertRawFilesToDate",1) |
ea199e33 | 309 | Bool_t dateOutput = ConvertRawFilesToDate(); |
ea199e33 | 310 | if (!dateOutput) |
311 | { | |
9ee1d6ff | 312 | AliError("DATE output failed. Exiting."); |
ea199e33 | 313 | return; |
314 | } | |
315 | } | |
ea199e33 | 316 | } |
317 | ||
318 | //_____________________________________________________________________________ | |
319 | void | |
42825ed9 | 320 | AliMUONPedestalEventGenerator::Digits2Raw(Int_t event) |
ea199e33 | 321 | { |
322 | /// Converts digits (from MUON.Digits.root file) to Raw DDL ascii files. | |
323 | ||
99c136e1 | 324 | AliCodeTimerAuto("",0) |
ea199e33 | 325 | |
24dbd5dd | 326 | if (!fRawWriter) |
327 | { | |
328 | AliRawDataHeaderSim header; | |
329 | fRawWriter = new AliMUONRawWriter; | |
330 | fRawWriter->SetHeader(header); | |
331 | } | |
ea199e33 | 332 | |
333 | // Generate RAW data from the digits | |
334 | // Be carefull to create&change to the correct directory first... | |
42825ed9 | 335 | |
ea199e33 | 336 | TString baseDir = gSystem->WorkingDirectory(); |
42825ed9 | 337 | |
338 | char dirName[256]; | |
b785c4bd | 339 | snprintf(dirName, 256, "raw%d", event); |
42825ed9 | 340 | gSystem->MakeDirectory(dirName); |
341 | if (!gSystem->ChangeDirectory(dirName)) | |
ea199e33 | 342 | { |
42825ed9 | 343 | AliError(Form("couldn't change to directory %s", dirName)); |
344 | return; | |
ea199e33 | 345 | } |
346 | ||
42825ed9 | 347 | fRawWriter->Digits2Raw(DigitStore(),0); |
ea199e33 | 348 | |
42825ed9 | 349 | gSystem->ChangeDirectory(baseDir); |
ea199e33 | 350 | } |
351 | ||
352 | //_____________________________________________________________________________ | |
353 | void | |
42825ed9 | 354 | AliMUONPedestalEventGenerator::GenerateDigits(AliMUONVDigitStore& digitStore) |
ea199e33 | 355 | { |
356 | /// Generate digits (where ADC is set to pedestal value) for all MUON TRK | |
357 | /// and for 1 event. | |
358 | ||
99c136e1 | 359 | AliCodeTimerAuto("",0) |
42825ed9 | 360 | |
361 | digitStore.Clear(); | |
362 | ||
ea199e33 | 363 | Int_t ngenerated(0); |
42825ed9 | 364 | Int_t nmanus(0); |
365 | TIter next(fPedestals->CreateIterator()); | |
366 | AliMUONVCalibParam* pedestals; | |
ea199e33 | 367 | |
42825ed9 | 368 | while ( ( pedestals = static_cast<AliMUONVCalibParam*>(next())) ) |
ea199e33 | 369 | { |
42825ed9 | 370 | Int_t detElemId = pedestals->ID0(); |
371 | Int_t manuId = pedestals->ID1(); | |
ea199e33 | 372 | |
42825ed9 | 373 | AliMpDetElement* de = AliMpDEStore::Instance()->GetDetElement(detElemId); |
374 | AliMp::PlaneType planeType = AliMp::kBendingPlane; | |
375 | if ( manuId & AliMpConstants::ManuMask(AliMp::kNonBendingPlane) ) | |
ea199e33 | 376 | { |
42825ed9 | 377 | planeType = AliMp::kNonBendingPlane; |
ea199e33 | 378 | } |
42825ed9 | 379 | AliMp::CathodType cathode = de->GetCathodType(planeType); |
380 | ||
381 | ++nmanus; | |
382 | ||
ea199e33 | 383 | for ( Int_t manuChannel = 0; manuChannel < pedestals->Size(); ++manuChannel ) |
384 | { | |
385 | Float_t mean = pedestals->ValueAsFloat(manuChannel,0); | |
386 | if (mean == AliMUONVCalibParam::InvalidFloatValue()) | |
387 | { | |
388 | // This is a poor's man way of knowing if that channel really exists. | |
389 | // Better and safer way (but much slower too) would be to check pad existence | |
168e9c4d | 390 | // using AliMpVSegmentation::PadByLocation(manuId,manuChannel) |
ea199e33 | 391 | continue; |
392 | } | |
4332f0d4 | 393 | else if ( mean < 1 || mean > 4095 ) |
394 | { | |
395 | AliFatal(Form("Got an invalid mean pedestal value for DE %d Manu %d" | |
396 | " channel %d : mean = %e",detElemId,manuId,manuChannel, | |
397 | mean)); | |
398 | } | |
ea199e33 | 399 | else |
400 | { | |
401 | Float_t sigma = pedestals->ValueAsFloat(manuChannel,1); | |
42825ed9 | 402 | |
4332f0d4 | 403 | if ( sigma < 0 ) |
404 | { | |
405 | AliWarning(Form("Got a negative sigma pedestal value for DE %d Manu %d" | |
406 | " channel %d : sigma = %e, will use Abs()=%e", | |
407 | detElemId,manuId,manuChannel, | |
408 | sigma,-sigma)); | |
409 | sigma = -sigma; | |
410 | } | |
411 | ||
42825ed9 | 412 | AliMUONVDigit* d = digitStore.Add(detElemId,manuId,manuChannel, |
413 | cathode, | |
414 | AliMUONVDigitStore::kIgnore); | |
415 | ||
4332f0d4 | 416 | Float_t ped = -1; |
417 | while ( ped <= 0 ) | |
418 | { | |
419 | ped = gRandom->Gaus(mean,sigma); | |
420 | } | |
42825ed9 | 421 | Int_t pedADC = TMath::FloorNint(ped); |
422 | ||
423 | d->SetADC(pedADC); | |
424 | d->SetCharge(ped); | |
ea199e33 | 425 | // we do not set the remaining parts of the digit, as in principle |
426 | // this is all we need : manuId, manuChannel and ADC, as far as | |
427 | // real data is concerned. | |
ea199e33 | 428 | ++fgCounter; |
429 | ++ngenerated; | |
430 | } | |
431 | } | |
432 | } | |
42825ed9 | 433 | AliDebug(1,Form("ngenerated=%d nmanus=%d",ngenerated,nmanus)); |
ea199e33 | 434 | } |
435 | ||
436 | //_____________________________________________________________________________ | |
437 | AliRunLoader* | |
438 | AliMUONPedestalEventGenerator::LoadRun(const char* mode) | |
439 | { | |
440 | /// Get access to AliRunLoader object | |
33c3c91a | 441 | while (AliRunLoader::Instance()) |
ea199e33 | 442 | { |
33c3c91a | 443 | AliDebug(1,Form("Deleting AliRunLoader %p",AliRunLoader::Instance())); |
444 | delete AliRunLoader::Instance(); | |
ea199e33 | 445 | } |
446 | ||
447 | AliRunLoader* runLoader = | |
448 | AliRunLoader::Open(fGAliceFileName,AliConfig::GetDefaultEventFolderName(), | |
449 | mode); | |
42825ed9 | 450 | |
ea199e33 | 451 | AliDebug(1,Form("AliRunLoader(%s)=%p",mode,runLoader)); |
42825ed9 | 452 | |
ea199e33 | 453 | if (!runLoader) |
454 | { | |
455 | AliError("No run loader found in file galice.root"); | |
fc2293be | 456 | return 0x0; |
ea199e33 | 457 | } |
42825ed9 | 458 | |
459 | TString smode(mode); | |
460 | smode.ToUpper(); | |
461 | ||
462 | if (smode.Contains("RECREATE")) | |
463 | { | |
464 | AliInfo("Creating folder structure"); | |
465 | AliConfig::Instance() | |
466 | ->CreateDetectorFolders(runLoader->GetEventFolder(), | |
467 | "MUON", "MUON"); | |
468 | fLoader = new AliLoader("MUON",runLoader->GetEventFolder()); | |
469 | runLoader->AddLoader(fLoader); | |
470 | } | |
471 | ||
472 | fLoader = static_cast<AliLoader*>(runLoader->GetDetectorLoader("MUON")); | |
473 | ||
ea199e33 | 474 | return runLoader; |
475 | } |