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 //_________________________________________________________________________
20 //////////////////////////////////////////////////////////////////////////////
21 // Class performs digitization of Summable digits
23 // In addition it performs mixing of summable digits from different events.
25 // For each event two branches are created in TreeD:
26 // "EMCAL" - list of digits
27 // "AliEMCALDigitizer" - AliEMCALDigitizer with all parameters used in digitization
29 // Note, that one cset title for new digits branch, and repeat digitization with
30 // another set of parameters.
33 // root[0] AliEMCALDigitizer * d = new AliEMCALDigitizer() ;
34 // root[1] d->ExecuteTask()
35 // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
36 // //Digitizes SDigitis in all events found in file galice.root
38 // root[2] AliEMCALDigitizer * d1 = new AliEMCALDigitizer("galice1.root") ;
39 // // Will read sdigits from galice1.root
40 // root[3] d1->MixWith("galice2.root")
41 // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
42 // // Reads another portion of sdigits from galice2.root
43 // root[3] d1->MixWith("galice3.root")
44 // // Reads another portion of sdigits from galice3.root
45 // root[4] d->ExecuteTask("deb timing")
46 // // Reads SDigits from files galice1.root, galice2.root ....
47 // // mixes them and stores produced Digits in file galice1.root
48 // // deb - prints number of produced digits
49 // // deb all - prints list of produced digits
50 // // timing - prints time used for digitization
51 ////////////////////////////////////////////////////////////////////////////////////
53 //*-- Author: Sahal Yacoob (LBL)
54 // based on : AliEMCALDigitizer
56 // August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
57 // of new IO (à la PHOS)
58 // November 2003 Aleksei Pavlinov : adopted for Shish-Kebab geometry
59 //_________________________________________________________________________________
61 // --- ROOT system ---
65 #include "TBenchmark.h"
69 #include "TObjectTable.h"
71 // --- AliRoot header files ---
73 #include "AliRunDigitizer.h"
74 #include "AliRunLoader.h"
75 #include "AliEMCALDigit.h"
77 #include "AliEMCALLoader.h"
78 #include "AliEMCALDigitizer.h"
79 #include "AliEMCALSDigitizer.h"
80 #include "AliEMCALGeometry.h"
81 #include "AliEMCALTick.h"
82 #include "AliEMCALHistoUtilities.h"
84 ClassImp(AliEMCALDigitizer)
87 //____________________________________________________________________________
88 AliEMCALDigitizer::AliEMCALDigitizer():AliDigitizer("",""),
95 fDefaultInit = kTRUE ;
96 fManager = 0 ; // We work in the standalong mode
97 fEventFolderName = "" ;
100 //____________________________________________________________________________
101 AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName):
102 AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), alirunFileName),
103 fInputFileNames(0), fEventNames(0), fEventFolderName(eventFolderName)
109 fDefaultInit = kFALSE ;
110 fManager = 0 ; // We work in the standalong mode
113 //____________________________________________________________________________
114 AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d) : AliDigitizer(d)
118 SetName(d.GetName()) ;
119 SetTitle(d.GetTitle()) ;
120 fDigitThreshold = d.fDigitThreshold ;
121 fMeanPhotonElectron = d.fMeanPhotonElectron ;
122 fPedestal = d.fPedestal ;
124 fPinNoise = d.fPinNoise ;
125 fTimeResolution = d.fTimeResolution ;
126 fTimeThreshold = d.fTimeThreshold ;
127 fTimeSignalLength = d.fTimeSignalLength ;
128 fADCchannelEC = d.fADCchannelEC ;
129 fADCpedestalEC = d.fADCpedestalEC ;
130 fNADCEC = d.fNADCEC ;
131 fEventFolderName = d.fEventFolderName;
134 //____________________________________________________________________________
135 AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd):
136 AliDigitizer(rd,"EMCAL"+AliConfig::Instance()->GetDigitizerTaskName()),
139 // ctor Init() is called by RunDigitizer
141 fEventFolderName = fManager->GetInputFolderName(0) ;
142 SetTitle(dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetFileName(0));
144 fDefaultInit = kFALSE ;
147 //____________________________________________________________________________
148 AliEMCALDigitizer::~AliEMCALDigitizer()
150 if (AliRunLoader::GetRunLoader()) {
151 AliLoader *emcalLoader=0;
152 if ((emcalLoader = AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL")))
153 emcalLoader->CleanDigitizer();
156 AliDebug(1," no runloader present");
157 delete [] fInputFileNames ;
158 delete [] fEventNames ;
161 //____________________________________________________________________________
162 void AliEMCALDigitizer::Digitize(Int_t event)
165 // Makes the digitization of the collected summable digits
166 // for this it first creates the array of all EMCAL modules
167 // filled with noise (different for EMC, CPV and PPSD) and
168 // after that adds contributions from SDigits. This design
169 // helps to avoid scanning over the list of digits to add
170 // contribution of any new SDigit.
171 static int isTrd1Geom = -1; // -1 - mean undefined
172 static int nEMC=0; //max number of digits possible
174 AliRunLoader *rl = AliRunLoader::GetRunLoader();
175 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
176 Int_t ReadEvent = event ;
177 // fManager is data member from AliDigitizer
179 ReadEvent = dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetCurrentEventNumber() ;
180 AliDebug(1,Form("Adding event %d from input stream 0 %s %s",
181 ReadEvent, GetTitle(), fEventFolderName.Data())) ;
182 rl->GetEvent(ReadEvent);
184 TClonesArray * digits = emcalLoader->Digits() ;
188 // const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
190 AliRun * gAlice = rl->GetAliRun();
191 AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
192 AliEMCALGeometry * geom = emcal->GetGeometry();
195 TString ng(geom->GetName());
197 if(ng.Contains("SHISH") && ng.Contains("TRD1")) isTrd1Geom = 1;
199 if(isTrd1Geom == 0) nEMC = geom->GetNPhi()*geom->GetNZ();
200 else nEMC = geom->GetNCells();
201 AliDebug(1,Form("nEMC %i (number cells in EMCAL) | %s | isTrd1Geom %i\n", nEMC, geom->GetName(), isTrd1Geom));
205 digits->Expand(nEMC) ;
207 // get first the sdigitizer from the tasks list (must have same name as the digitizer)
208 if ( !emcalLoader->SDigitizer() )
209 emcalLoader->LoadSDigitizer();
210 AliEMCALSDigitizer * sDigitizer = dynamic_cast<AliEMCALSDigitizer*>(emcalLoader->SDigitizer());
213 Fatal("Digitize", "SDigitizer with name %s %s not found", fEventFolderName.Data(), GetTitle() ) ;
215 //take all the inputs to add together and load the SDigits
216 TObjArray * sdigArray = new TObjArray(fInput) ;
217 sdigArray->AddAt(emcalLoader->SDigits(), 0) ;
220 for(i = 1 ; i < fInput ; i++){
221 TString tempo(fEventNames[i]) ;
223 rl = AliRunLoader::Open(fInputFileNames[i], tempo) ;
225 ReadEvent = dynamic_cast<AliStream*>(fManager->GetInputStream(i))->GetCurrentEventNumber() ;
226 Info("Digitize", "Adding event %d from input stream %d %s %s", ReadEvent, i, fInputFileNames[i].Data(), tempo.Data()) ;
228 rl->GetEvent(ReadEvent);
229 sdigArray->AddAt(emcalLoader->SDigits(), i) ;
232 //Find the first tower with signal
233 Int_t nextSig = nEMC + 1 ;
234 TClonesArray * sdigits ;
235 for(i = 0 ; i < fInput ; i++){
236 sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
237 if ( !sdigits->GetEntriesFast() )
239 Int_t curNext = dynamic_cast<AliEMCALDigit *>(sdigits->At(0))->GetId() ;
240 if(curNext < nextSig)
242 AliDebug(1,Form("input %i : #sdigits %i \n",
243 i, sdigits->GetEntriesFast()));
245 AliDebug(1,Form("FIRST tower with signal %i \n", nextSig));
247 TArrayI index(fInput) ;
248 index.Reset() ; //Set all indexes to zero
250 AliEMCALDigit * digit ;
251 AliEMCALDigit * curSDigit ;
253 TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
255 //Put Noise contribution
256 for(absID = 1; absID <= nEMC; absID++){
258 // amplitude set to zero, noise will be added later
259 new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID, 0, TimeOfNoise() ) ;
260 //look if we have to add signal?
261 digit = dynamic_cast<AliEMCALDigit *>(digits->At(absID-1)) ;
264 //Add SDigits from all inputs
267 Float_t a = digit->GetAmp() ;
268 Float_t b = TMath::Abs( a /fTimeSignalLength) ;
269 //Mark the beginning of the signal
270 new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b);
271 //Mark the end of the signal
272 new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
275 for(i = 0; i< fInput ; i++){ //loop over (possible) merge sources
276 if(dynamic_cast<TClonesArray *>(sdigArray->At(i))->GetEntriesFast() > index[i] )
277 curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
280 //May be several digits will contribute from the same input
281 while(curSDigit && (curSDigit->GetId() == absID)){
282 //Shift primary to separate primaries belonging different inputs
283 Int_t primaryoffset ;
285 primaryoffset = fManager->GetMask(i) ;
288 curSDigit->ShiftPrimary(primaryoffset) ;
290 a = curSDigit->GetAmp() ;
291 b = a /fTimeSignalLength ;
292 new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b);
293 new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b);
295 *digit = *digit + *curSDigit ; //add energies
298 if( dynamic_cast<TClonesArray *>(sdigArray->At(i))->GetEntriesFast() > index[i] )
299 curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
304 // add fluctuations for photo-electron creation
305 amp = sDigitizer->Calibrate(digit->GetAmp()) ; // GeV
306 amp *= static_cast<Float_t>(gRandom->Poisson(fMeanPhotonElectron)) / static_cast<Float_t>(fMeanPhotonElectron) ;
308 //calculate and set time
309 Float_t time = FrontEdgeTime(ticks) ;
310 digit->SetTime(time) ;
312 //Find next signal module
314 for(i = 0 ; i < fInput ; i++){
315 sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
316 Int_t curNext = nextSig ;
317 if(sdigits->GetEntriesFast() > index[i] ){
318 curNext = dynamic_cast<AliEMCALDigit *>(sdigits->At(index[i]))->GetId() ;
320 if(curNext < nextSig) nextSig = curNext ;
324 amp += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ;
325 digit->SetAmp(sDigitizer->Digitize(amp)) ;
326 AliDebug(10,Form(" absID %5i amp %f nextSig %5i\n",
327 absID, amp, nextSig));
328 } // for(absID = 1; absID <= nEMC; absID++)
333 delete sdigArray ; //We should not delete its contents
335 //remove digits below thresholds
336 for(i = 0 ; i < nEMC ; i++){
337 digit = dynamic_cast<AliEMCALDigit*>( digits->At(i) ) ;
338 Float_t threshold = fDigitThreshold ;
339 if(sDigitizer->Calibrate( digit->GetAmp() ) < threshold)
340 digits->RemoveAt(i) ;
342 digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
347 Int_t ndigits = digits->GetEntriesFast() ;
348 digits->Expand(ndigits) ;
350 //Set indexes in list of digits and fill hists.
351 AliEMCALHistoUtilities::FillH1(fHists, 0, Double_t(ndigits));
352 Float_t energy=0., esum=0.;
353 for (i = 0 ; i < ndigits ; i++) {
354 digit = dynamic_cast<AliEMCALDigit *>( digits->At(i) ) ;
355 digit->SetIndexInList(i) ;
356 energy = sDigitizer->Calibrate(digit->GetAmp()) ;
358 digit->SetAmp(DigitizeEnergy(energy, digit->GetId()) ) ; // for what ??
359 AliEMCALHistoUtilities::FillH1(fHists, 2, double(digit->GetAmp()));
360 AliEMCALHistoUtilities::FillH1(fHists, 3, double(energy));
361 AliEMCALHistoUtilities::FillH1(fHists, 4, double(digit->GetId()));
363 AliEMCALHistoUtilities::FillH1(fHists, 1, esum);
366 // //_____________________________________________________________________
367 Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t AbsId)
369 // Returns digitized value of the energy in a cell absId
371 AliRunLoader *rl = AliRunLoader::GetRunLoader();
372 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>
373 (rl->GetDetectorLoader("EMCAL"));
375 // Load EMCAL Geometry
377 AliRun * gAlice = rl->GetAliRun();
378 AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
379 AliEMCALGeometry * geom = emcal->GetGeometry();
382 AliFatal("Did not get geometry from EMCALLoader") ;
390 Int_t channel = -999;
392 Bool_t bCell = geom->GetCellIndex(AbsId, iSupMod, nTower, nIphi, nIeta) ;
394 Error("DigitizeEnergy","Wrong cell id number") ;
395 geom->GetCellPhiEtaIndexInSModule(iSupMod,nTower,nIphi, nIeta,iphi,ieta);
397 if(emcalLoader->CalibData()) {
398 fADCpedestalEC = emcalLoader->CalibData()
399 ->GetADCpedestal(iSupMod,ieta,iphi);
400 fADCchannelEC = emcalLoader->CalibData()
401 ->GetADCchannel(iSupMod,ieta,iphi);
404 channel = static_cast<Int_t> (TMath::Ceil( (energy + fADCpedestalEC)/fADCchannelEC )) ;
406 if(channel > fNADCEC )
412 //____________________________________________________________________________
413 void AliEMCALDigitizer::Exec(Option_t *option)
415 // Steering method to process digitization for events
416 // in the range from fFirstEvent to fLastEvent.
417 // This range is optionally set by SetEventRange().
418 // if fLastEvent=-1, then process events until the end.
419 // by default fLastEvent = fFirstEvent (process only one event)
421 if (!fInit) { // to prevent overwrite existing file
422 Error( "Exec", "Give a version name different from %s", fEventFolderName.Data() ) ;
426 if (strstr(option,"print")) {
431 if(strstr(option,"tim"))
432 gBenchmark->Start("EMCALDigitizer");
434 AliRunLoader *rl = AliRunLoader::GetRunLoader();
435 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
437 // Post Digitizer to the white board
438 emcalLoader->PostDigitizer(this) ;
440 if (fLastEvent == -1)
441 fLastEvent = rl->GetNumberOfEvents() - 1 ;
443 fLastEvent = fFirstEvent ; // what is this ??
445 Int_t nEvents = fLastEvent - fFirstEvent + 1;
448 rl->LoadSDigits("EMCAL");
449 for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
450 //gime->Event(ievent,"S") ;
451 rl->GetEvent(ievent);
453 Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
457 if(strstr(option,"deb"))
459 if(strstr(option,"table")) gObjectTable->Print();
461 //increment the total number of Digits per run
462 fDigitsInRun += emcalLoader->Digits()->GetEntriesFast() ;
464 // gime->WriteDigitizer("OVERWRITE");
466 emcalLoader->CleanDigitizer() ;
468 if(strstr(option,"tim")){
469 gBenchmark->Stop("EMCALDigitizer");
470 printf("Exec: took %f seconds for Digitizing %f seconds per event",
471 gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nEvents ) ;
475 //____________________________________________________________________________
476 Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * ticks)
478 // Returns the shortest time among all time ticks
480 ticks->Sort() ; //Sort in accordance with times of ticks
482 AliEMCALTick * ctick = (AliEMCALTick *) it.Next() ;
483 Float_t time = ctick->CrossingTime(fTimeThreshold) ;
486 while((t=(AliEMCALTick*) it.Next())){
487 if(t->GetTime() < time) //This tick starts before crossing
492 time = ctick->CrossingTime(fTimeThreshold) ;
497 //____________________________________________________________________________
498 Bool_t AliEMCALDigitizer::Init()
500 // Makes all memory allocations
502 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
504 if ( emcalLoader == 0 ) {
505 Fatal("Init", "Could not obtain the AliEMCALLoader");
510 fLastEvent = fFirstEvent ;
513 fInput = fManager->GetNinputs() ;
517 fInputFileNames = new TString[fInput] ;
518 fEventNames = new TString[fInput] ;
519 fInputFileNames[0] = GetTitle() ;
520 fEventNames[0] = fEventFolderName.Data() ;
522 for (index = 1 ; index < fInput ; index++) {
523 fInputFileNames[index] = dynamic_cast<AliStream*>(fManager->GetInputStream(index))->GetFileName(0);
524 TString tempo = fManager->GetInputFolderName(index) ;
525 fEventNames[index] = tempo.Remove(tempo.Length()-1) ; // strip of the stream number added bt fManager
528 //to prevent cleaning of this object while GetEvent is called
529 emcalLoader->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
536 //____________________________________________________________________________
537 void AliEMCALDigitizer::InitParameters()
538 { // Tune parameters - 24-nov-04
540 fMeanPhotonElectron = 3300 ; // electrons per GeV
542 if (fPinNoise == 0. )
543 Warning("InitParameters", "No noise added\n") ;
544 fDigitThreshold = fPinNoise * 3; // 3 * sigma
545 fTimeResolution = 0.3e-9 ; // 300 psc
546 fTimeSignalLength = 1.0e-9 ;
548 fADCchannelEC = 0.00305; // 200./65536 - width of one ADC channel in GeV
549 fADCpedestalEC = 0.009 ; // GeV
550 fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536
552 fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ??
553 // hists. for control; no hists on default
558 //__________________________________________________________________
559 void AliEMCALDigitizer::MixWith(TString alirunFileName, TString eventFolderName)
561 // Allows to produce digits by superimposing background and signal event.
562 // It is assumed, that headers file with SIGNAL events is opened in
564 // Sets the BACKGROUND event, with which the SIGNAL event is to be mixed
565 // Thus we avoid writing (changing) huge and expensive
566 // backgound files: all output will be writen into SIGNAL, i.e.
567 // opened in constructor file.
569 // One can open as many files to mix with as one needs.
570 // However only Sdigits with the same name (i.e. constructed with the same SDigitizer)
573 if( strcmp(GetName(), "") == 0 )
577 Error("MixWith", "Cannot use this method under AliRunDigitizer") ;
580 // looking for file which contains AliRun
581 if (gSystem->AccessPathName(alirunFileName)) {// file does not exist
582 Error("MixWith", "File %s does not exist!", alirunFileName.Data()) ;
585 // looking for the file which contains SDigits
586 //AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
587 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
588 TString fileName( emcalLoader->GetSDigitsFileName() ) ;
589 if ( eventFolderName != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name
590 fileName = fileName.ReplaceAll(".root", "") + "_" + eventFolderName + ".root" ;
591 if ( (gSystem->AccessPathName(fileName)) ) {
592 Error("MixWith", "The file %s does not exist!", fileName.Data()) ;
595 // need to increase the arrays
596 TString tempo = fInputFileNames[fInput-1] ;
597 delete [] fInputFileNames ;
598 fInputFileNames = new TString[fInput+1] ;
599 fInputFileNames[fInput-1] = tempo ;
601 tempo = fEventNames[fInput-1] ;
602 delete [] fEventNames ;
603 fEventNames = new TString[fInput+1] ;
604 fEventNames[fInput-1] = tempo ;
606 fInputFileNames[fInput] = alirunFileName ;
607 fEventNames[fInput] = eventFolderName ;
611 void AliEMCALDigitizer::Print1(Option_t * option)
612 { // 19-nov-04 - just for convinience
617 //__________________________________________________________________
618 void AliEMCALDigitizer::Print(Option_t*)const
620 // Print Digitizer's parameters
621 printf("Print: \n------------------- %s -------------", GetName() ) ;
622 if( strcmp(fEventFolderName.Data(), "") != 0 ){
623 printf(" Writing Digits to branch with title %s\n", fEventFolderName.Data()) ;
627 nStreams = GetNInputStreams() ;
635 for (index = 0 ; index < nStreams ; index++) {
636 TString tempo(fEventNames[index]) ;
638 if ((rl = AliRunLoader::GetRunLoader(tempo)) == 0)
639 rl = AliRunLoader::Open(fInputFileNames[index], tempo) ;
640 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
641 TString fileName( emcalLoader->GetSDigitsFileName() ) ;
642 if ( fEventNames[index] != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name
643 fileName = fileName.ReplaceAll(".root", "") + "_" + fEventNames[index] + ".root" ;
644 printf ("Adding SDigits from %s %s\n", fInputFileNames[index].Data(), fileName.Data()) ;
647 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
649 printf("\nWriting digits to %s", emcalLoader->GetDigitsFileName().Data()) ;
651 printf("\nWith following parameters:\n") ;
653 printf(" Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ;
654 printf(" Threshold in EMC (fDigitThreshold) = %f\n", fDigitThreshold) ;
655 printf("---------------------------------------------------\n") ;
658 printf("Print: AliEMCALDigitizer not initialized") ;
661 //__________________________________________________________________
662 void AliEMCALDigitizer::PrintDigits(Option_t * option){
663 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
664 TClonesArray * digits = emcalLoader->Digits() ;
665 TClonesArray * sdigits = emcalLoader->SDigits() ;
667 printf("\n #Digits: %d : sdigits %d ", digits->GetEntriesFast(), sdigits->GetEntriesFast()) ;
668 printf("\n event %d", emcalLoader->GetRunLoader()->GetEventNumber());
670 if(strstr(option,"all")){
672 AliEMCALDigit * digit;
673 printf("\nEMC digits (with primaries):\n") ;
674 printf("\n Id Amplitude Time Index Nprim: Primaries list \n") ;
676 for (index = 0 ; index < digits->GetEntries() ; index++) {
677 digit = dynamic_cast<AliEMCALDigit *>(digits->At(index)) ;
678 printf("\n%6d %8d %6.5e %4d %2d : ",
679 digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;
681 for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
682 printf("%d ",digit->GetPrimary(iprimary+1) ) ;
689 //__________________________________________________________________
690 Float_t AliEMCALDigitizer::TimeOfNoise(void)
692 // Calculates the time signal generated by noise
693 //PH Info("TimeOfNoise", "Change me") ;
694 return gRandom->Rndm() * 1.28E-5;
697 //__________________________________________________________________
698 void AliEMCALDigitizer::Unload()
700 // Unloads the SDigits and Digits
704 for(i = 1 ; i < fInput ; i++){
705 TString tempo(fEventNames[i]) ;
707 if ((rl = AliRunLoader::GetRunLoader(tempo)))
708 rl->GetDetectorLoader("EMCAL")->UnloadSDigits() ;
710 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
711 emcalLoader->UnloadDigits() ;
714 //_________________________________________________________________________________________
715 void AliEMCALDigitizer::WriteDigits()
718 // Makes TreeD in the output file.
719 // Check if branch already exists:
720 // if yes, exit without writing: ROOT TTree does not support overwriting/updating of
721 // already existing branches.
722 // else creates branch with Digits, named "EMCAL", title "...",
723 // and branch "AliEMCALDigitizer", with the same title to keep all the parameters
724 // and names of files, from which digits are made.
726 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
728 const TClonesArray * digits = emcalLoader->Digits() ;
729 TTree * treeD = emcalLoader->TreeD();
731 emcalLoader->MakeDigitsContainer();
732 treeD = emcalLoader->TreeD();
735 // -- create Digits branch
736 Int_t bufferSize = 32000 ;
737 TBranch * digitsBranch = 0;
738 if ((digitsBranch = treeD->GetBranch("EMCAL")))
739 digitsBranch->SetAddress(&digits);
741 treeD->Branch("EMCAL","TClonesArray",&digits,bufferSize);
742 //digitsBranch->SetTitle(fEventFolderName);
745 emcalLoader->WriteDigits("OVERWRITE");
746 emcalLoader->WriteDigitizer("OVERWRITE");
752 void AliEMCALDigitizer::Browse(TBrowser* b)
754 if(fHists) b->Add(fHists);
758 TList *AliEMCALDigitizer::BookControlHists(int var)
760 Info("BookControlHists"," started ");
762 const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
764 new TH1F("hDigiN", "#EMCAL digits with fAmp > fDigitThreshold",
765 fNADCEC+1, -0.5, Double_t(fNADCEC));
766 new TH1F("HDigiSumEnergy","Sum.EMCAL energy from digi", 1000, 0.0, 200.);
767 new TH1F("hDigiAmp", "EMCAL digital amplitude", fNADCEC+1, -0.5, Double_t(fNADCEC));
768 new TH1F("hDigiEnergy","EMCAL cell energy", 2000, 0.0, 200.);
769 new TH1F("hDigiAbsId","EMCAL absId cells with fAmp > fDigitThreshold ",
770 geom->GetNCells(), 0.5, Double_t(geom->GetNCells())+0.5);
772 fHists = AliEMCALHistoUtilities::MoveHistsToList("EmcalDigiControlHists", kFALSE);
777 void AliEMCALDigitizer::SaveHists(const char* name, Bool_t kSingleKey, const char* opt)
779 AliEMCALHistoUtilities::SaveListOfHists(fHists, name, kSingleKey, opt);