1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 #include "AliMUONPedestalEventGenerator.h"
20 #include "AliHeader.h"
22 #include "AliMUONCalibrationData.h"
23 #include "AliMUONDigitStoreV1.h"
24 #include "AliMUONRawWriter.h"
25 #include "AliCodeTimer.h"
26 #include "AliMUONVCalibParam.h"
27 #include "AliMUONVDigit.h"
28 #include "AliMUONVStore.h"
29 #include "AliMpCathodType.h"
30 #include "AliMpConstants.h"
31 #include "AliMpDEStore.h"
32 #include "AliMpDetElement.h"
33 #include "AliMpIntPair.h"
34 #include "AliMpPlaneType.h"
35 #include "AliRunLoader.h"
36 #include <TClonesArray.h>
40 #include <TStopwatch.h>
45 /// \class AliMUONPedestalEventGenerator
47 /// Generate simulated pedestal events for MUON TRK, to be able to e.g. test
48 /// online calibration routines.
50 /// The pedestals themselves are taken from the CDB. What we get from the CDB
51 /// is, per channel, the mean and the sigma of the pedestal. We then use
52 /// those informations to randomly get the pedestals for each channel, for
53 /// each event (picking in a gaus(mean,sigma)).
55 /// Output can be just digits, or digits + raw (ddl), or digits + raw (ddl)
56 /// + raw (date files, one per LDC), depending of ctor and MakeDDL() method.
58 /// \author L. Aphecetche
62 ClassImp(AliMUONPedestalEventGenerator)
65 Int_t AliMUONPedestalEventGenerator::fgCounter(0);
67 //std::streambuf* RedirectTo(std::ostream& what, std::ostream& to)
69 // std::streambuf* old = what.rdbuf();
71 // std::streambuf* psbuf = to.rdbuf();
77 //_____________________________________________________________________________
78 AliMUONPedestalEventGenerator::AliMUONPedestalEventGenerator(Int_t runNumber,
81 : TTask("AliMUONPedestalEventGenerator","Generate fake pedestal events"),
82 fCalibrationData(new AliMUONCalibrationData(runNumber)),
83 fDateFileName(filename),
84 fGAliceFileName("galice.root"),
87 fPedestals(fCalibrationData->Pedestals()),
91 /// Will generate pedestals according to (mean,sigma)s found in CDB
92 /// for run runNumber.
93 /// Will generate nevents events
94 /// If filename is != "", it will be the basename of the output LDC files
96 if (!gSystem->IsAbsoluteFileName(fGAliceFileName))
98 char* absFileName = gSystem->ConcatFileName(gSystem->WorkingDirectory(),
100 fGAliceFileName = absFileName;
101 delete[] absFileName;
104 AliRunLoader* runLoader = LoadRun("recreate");
106 runLoader->SetNumberOfEventsPerFile(nevents);
110 AliError("Could not create RunLoader");
114 // Initialize event headers.
115 runLoader->MakeTree("E");
117 for ( Int_t iEvent = 0; iEvent < nevents; ++iEvent )
119 runLoader->SetEventNumber(iEvent);
120 runLoader->GetHeader()->Reset(runNumber,iEvent);
121 runLoader->TreeE()->Fill();
123 runLoader->WriteHeader("OVERWRITE");
124 runLoader->CdGAFile();
125 runLoader->Write(0, TObject::kOverwrite);
132 //_____________________________________________________________________________
133 AliMUONPedestalEventGenerator::~AliMUONPedestalEventGenerator()
136 delete fCalibrationData;
137 AliInfo(Form("make a digit counter %d",fgCounter));
142 //_____________________________________________________________________________
144 AliMUONPedestalEventGenerator::ConvertRawFilesToDate()
146 /// convert raw data DDL files to DATE files with the program "dateStream".
147 /// we make one file per LDC
151 AliInfo("Converting raw to date");
153 const Int_t kIDet = AliDAQ::DetectorID("MUONTRK");
155 const Int_t kNLDCs = TMath::CeilNint(AliDAQ::NumberOfLdcs(kIDet));
157 char* path = gSystem->Which(gSystem->Getenv("PATH"), "dateStream");
160 AliError("the program dateStream was not found");
166 AliRunLoader* runLoader = LoadRun("read");
167 if (!runLoader) return kFALSE;
169 AliInfo(Form("converting raw data DDL files to DATE files %s", fDateFileName.Data()));
170 FILE** pipe = new FILE*[kNLDCs];
172 for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile)
175 // Note the option -s. It is used in order to avoid
176 // the generation of SOR/EOR events.
177 sprintf(command, "dateStream -s -D -o %s.LDC%d -# %d -C",
178 fDateFileName.Data(), iFile, runLoader->GetNumberOfEvents());
179 pipe[iFile] = gSystem->OpenPipe(command, "w");
182 for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent)
187 for (Int_t iDDL = 0; iDDL < AliDAQ::NumberOfDdls(kIDet); ++iDDL)
189 Int_t ddlID = AliDAQ::DdlID(kIDet,iDDL);
190 Int_t ldcID = Int_t(ldc + 0.0001);
191 ldc += AliDAQ::NumberOfLdcs(kIDet) / AliDAQ::NumberOfDdls(kIDet);
193 char rawFileName[256];
194 sprintf(rawFileName, "raw%d/%s",
195 iEvent, AliDAQ::DdlFileName(kIDet,iDDL));
197 // check existence and size of raw data file
198 FILE* file = fopen(rawFileName, "rb");
200 fseek(file, 0, SEEK_END);
201 unsigned long size = ftell(file);
205 if (ldcID != prevLDC) {
206 fprintf(pipe[ldcID], " LDC Id %d\n", ldcID);
209 fprintf(pipe[ldcID], " Equipment Id %d Payload %s\n", ddlID, rawFileName);
215 for ( Int_t iFile = 0; iFile < kNLDCs; ++iFile)
217 result += gSystem->ClosePipe(pipe[iFile]);
223 return (result == 0);
226 //_____________________________________________________________________________
228 AliMUONPedestalEventGenerator::DigitStore()
230 /// Return digt container; create it if it does not exist
232 if (!fDigitStore) fDigitStore = new AliMUONDigitStoreV1;
236 //_____________________________________________________________________________
238 AliMUONPedestalEventGenerator::Exec(Option_t*)
240 /// Main steering method
246 AliError("No pedestal store. Cannot proceed.");
250 AliRunLoader* runLoader = LoadRun("update");
252 Int_t nevents = runLoader->GetNumberOfEvents();
254 for ( Int_t i = 0; i < nevents ; ++i )
256 runLoader->GetEvent(i);
258 fLoader->MakeDigitsContainer();
259 TTree* treeD = fLoader->TreeD();
262 AliError(Form("Could not get TreeD for event %d",i));
266 DigitStore()->Connect(*treeD);
268 GenerateDigits(*(DigitStore()));
270 // Fill the output treeD
273 // Write to the output tree(D).
274 // Please note that as GlobalTrigger, LocalTrigger and Digits are in the same
275 // tree (=TreeD) in different branches, this WriteDigits in fact writes all of
278 AliCodeTimerStart("WriteDigits")
279 fLoader->WriteDigits("OVERWRITE");
280 AliCodeTimerStop("WriteDigits")
282 fLoader->UnloadDigits();
289 // gROOT->ProcessLine(Form("gObjectTable->Print(); > generate.txt.%d",i));
292 runLoader->WriteRunLoader("OVERWRITE");
296 // Finally, if instructed to do so, convert DDL files to DATE file(s)
297 if ( fMakeDDL && fDateFileName.Length() > 0 )
299 Bool_t dateOutput = ConvertRawFilesToDate();
302 AliError("DATE output failed. Aborting.");
308 //_____________________________________________________________________________
310 AliMUONPedestalEventGenerator::Digits2Raw(Int_t event)
312 /// Converts digits (from MUON.Digits.root file) to Raw DDL ascii files.
316 if (!fRawWriter) fRawWriter = new AliMUONRawWriter;
318 // Generate RAW data from the digits
319 // Be carefull to create&change to the correct directory first...
321 TString baseDir = gSystem->WorkingDirectory();
324 sprintf(dirName, "raw%d", event);
325 gSystem->MakeDirectory(dirName);
326 if (!gSystem->ChangeDirectory(dirName))
328 AliError(Form("couldn't change to directory %s", dirName));
332 fRawWriter->Digits2Raw(DigitStore(),0);
334 gSystem->ChangeDirectory(baseDir);
337 //_____________________________________________________________________________
339 AliMUONPedestalEventGenerator::GenerateDigits(AliMUONVDigitStore& digitStore)
341 /// Generate digits (where ADC is set to pedestal value) for all MUON TRK
350 TIter next(fPedestals->CreateIterator());
351 AliMUONVCalibParam* pedestals;
353 while ( ( pedestals = static_cast<AliMUONVCalibParam*>(next())) )
355 Int_t detElemId = pedestals->ID0();
356 Int_t manuId = pedestals->ID1();
358 AliMpDetElement* de = AliMpDEStore::Instance()->GetDetElement(detElemId);
359 AliMp::PlaneType planeType = AliMp::kBendingPlane;
360 if ( manuId & AliMpConstants::ManuMask(AliMp::kNonBendingPlane) )
362 planeType = AliMp::kNonBendingPlane;
364 AliMp::CathodType cathode = de->GetCathodType(planeType);
368 for ( Int_t manuChannel = 0; manuChannel < pedestals->Size(); ++manuChannel )
370 Float_t mean = pedestals->ValueAsFloat(manuChannel,0);
371 if (mean == AliMUONVCalibParam::InvalidFloatValue())
373 // This is a poor's man way of knowing if that channel really exists.
374 // Better and safer way (but much slower too) would be to check pad existence
375 // using AliMpVSegmentation::PadByLocation(AliMpIntPair(manuId,manuChannel))
380 Float_t sigma = pedestals->ValueAsFloat(manuChannel,1);
383 AliMUONVDigit* d = digitStore.Add(detElemId,manuId,manuChannel,
385 AliMUONVDigitStore::kIgnore);
387 Float_t ped = gRandom->Gaus(mean,sigma);
388 Int_t pedADC = TMath::FloorNint(ped);
392 // we do not set the remaining parts of the digit, as in principle
393 // this is all we need : manuId, manuChannel and ADC, as far as
394 // real data is concerned.
400 AliDebug(1,Form("ngenerated=%d nmanus=%d",ngenerated,nmanus));
403 //_____________________________________________________________________________
405 AliMUONPedestalEventGenerator::LoadRun(const char* mode)
407 /// Get access to AliRunLoader object
408 while (AliRunLoader::GetRunLoader())
410 AliDebug(1,Form("Deleting AliRunLoader %p",AliRunLoader::GetRunLoader()));
411 delete AliRunLoader::GetRunLoader();
414 AliRunLoader* runLoader =
415 AliRunLoader::Open(fGAliceFileName,AliConfig::GetDefaultEventFolderName(),
418 AliDebug(1,Form("AliRunLoader(%s)=%p",mode,runLoader));
422 AliError("No run loader found in file galice.root");
428 if (smode.Contains("RECREATE"))
430 AliInfo("Creating folder structure");
431 AliConfig::Instance()
432 ->CreateDetectorFolders(runLoader->GetEventFolder(),
434 fLoader = new AliLoader("MUON",runLoader->GetEventFolder());
435 runLoader->AddLoader(fLoader);
438 fLoader = static_cast<AliLoader*>(runLoader->GetDetectorLoader("MUON"));