////////////////////////////////////////////////////////////////////////////////////
//
//*-- Author: Sahal Yacoob (LBL)
-// based on : AliPHOSDigitizer
-//_________________________________________________________________________________
+// based on : AliEMCALDigitizer
+// Modif:
+// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
+// of new IO (à la PHOS)
+///_________________________________________________________________________________
// --- ROOT system ---
-#include "TFile.h"
#include "TTree.h"
#include "TSystem.h"
-#include "TROOT.h"
-#include "TFolder.h"
-#include "TObjString.h"
#include "TBenchmark.h"
+
// --- Standard library ---
-#include <iomanip.h>
// --- AliRoot header files ---
-
-#include "AliRun.h"
+#include "AliRunDigitizer.h"
#include "AliEMCALDigit.h"
-#include "AliEMCALHit.h"
-#include "AliEMCALv1.h"
+#include "AliEMCAL.h"
+#include "AliEMCALGetter.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
+#include "AliEMCALTick.h"
ClassImp(AliEMCALDigitizer)
//____________________________________________________________________________
- AliEMCALDigitizer::AliEMCALDigitizer():TTask("AliEMCALDigitizer","")
+ AliEMCALDigitizer::AliEMCALDigitizer():AliDigitizer("",""),
+ fInput(0),
+ fInputFileNames(0x0),
+ fEventNames(0x0)
{
// ctor
-
- fSDigitizer = 0 ;
- fNinputs = 1 ;
- fPinNoise = 0.00 ;
- fEMCDigitThreshold = 0.00 ;
- fInitialized = kFALSE ;
-
- fHeaderFiles = 0;
- fSDigitsTitles = 0;
- fSDigits = 0 ;
- fDigits = 0;
-
-}
-//____________________________________________________________________________
-void AliEMCALDigitizer::Init(){
-// Makes all memory allocations
-
- if(!fInitialized){
-
- fHeaderFiles = new TClonesArray("TObjString",1) ;
- new((*fHeaderFiles)[0]) TObjString("galice.root") ;
-
- //Test, if this file already open
-
- TFile *file = (TFile*) gROOT->GetFile(((TObjString *) fHeaderFiles->At(0))->GetString() ) ;
-
- if(file == 0){
- file = new TFile(((TObjString *) fHeaderFiles->At(0))->GetString(),"update") ;
- gAlice = (AliRun *) file->Get("gAlice") ;
- }
- else
- file = new TFile(((TObjString *) fHeaderFiles->At(0))->GetString()) ;
-
- file->cd() ;
-
- fSDigitsTitles = new TClonesArray("TObjString",1);
- new((*fSDigitsTitles)[0]) TObjString("Default") ;
-
- fSDigits = new TClonesArray("TClonesArray",1) ;
- new((*fSDigits)[0]) TClonesArray("AliEMCALDigit",1000) ;
-
- fSDigitizer = 0 ;
-
- fDigitsTitle = "Default" ;
-
- fDigits = new TClonesArray("AliEMCALDigit",200000) ;
-
- fIevent = new TArrayI(1) ;
- fIevent->AddAt(-1,0 ) ;
- fIeventMax = new TArrayI(1) ;
-
- fIeventMax->AddAt((Int_t) gAlice->TreeE()->GetEntries(), 0 );
-
- // add Task to //root/Tasks folder
- TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
- roottasks->Add(this) ;
-
- fInitialized = kTRUE ;
- }
-
+ InitParameters() ;
+ fDefaultInit = kTRUE ;
+ fManager = 0 ; // We work in the standalong mode
+ fEventFolderName = "" ;
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile,const char *sDigitsTitle):
- TTask("AliEMCALDigitizer","")
+AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName):
+ AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), alirunFileName),
+ fInputFileNames(0), fEventNames(0), fEventFolderName(eventFolderName)
{
// ctor
- fHeaderFiles = new TClonesArray("TObjString",1) ;
- new((*fHeaderFiles)[0]) TObjString(headerFile) ;
-
- // Header file, where result will be stored
- TFile * file = (TFile*) gROOT->GetFile(((TObjString *) fHeaderFiles->At(0))->GetString() ) ;
- if(file==0){
- if(((TObjString *) fHeaderFiles->At(0))->GetString().Contains("rfio"))
- file = TFile::Open(((TObjString *) fHeaderFiles->At(0))->GetString(),"update") ;
- else
- file = new TFile(((TObjString *) fHeaderFiles->At(0))->GetString(),"update") ;
- gAlice = (AliRun *) file->Get("gAlice") ; //If not read yet
- }
-
- file->cd() ;
-
- fSDigitsTitles = new TClonesArray("TObjString",1); // Title name of the SDigits branch
- new((*fSDigitsTitles)[0]) TObjString(sDigitsTitle) ;
-
- fSDigits = new TClonesArray("TClonesArray",1) ; // here list of SDigits wil be stored
- new((*fSDigits)[0]) TClonesArray("AliEMCALDigit",1000) ;
-
- fDigits = new TClonesArray("AliEMCALDigit",200000) ;
-
- fDigitsTitle = "Default" ;
-
- fSDigitizer = 0 ;
-
- fIevent = new TArrayI(1) ;
- fIevent->AddAt(-1,0 ) ;
- fIeventMax = new TArrayI(1) ;
-
- // Get number of events to process
- fIeventMax->AddAt((Int_t) gAlice->TreeE()->GetEntries(), 0 );
-
- fNinputs = 1 ;
-
- fPinNoise = 0.0001 ;
- fEMCDigitThreshold = 0.001 ;
-
- // add Task to //root/Tasks folder
- TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
- roottasks->Add(this) ;
- fInitialized = kTRUE ;
-
+ InitParameters() ;
+ Init() ;
+ fDefaultInit = kFALSE ;
+ fManager = 0 ; // We work in the standalong mode
}
//____________________________________________________________________________
- AliEMCALDigitizer::~AliEMCALDigitizer()
+AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d) : AliDigitizer(d)
{
- // dtor
-
- if(fHeaderFiles) delete fHeaderFiles ;
- if(fSDigitsTitles) delete fSDigitsTitles ;
- if(fSDigits) delete fSDigits ;
- if(fDigits) delete fDigits ;
-}
-//____________________________________________________________________________
-void AliEMCALDigitizer::Reset() {
- //sets current event number to the first simulated event
-
- if(!fInitialized)
- Init() ;
+ // copyy ctor
+
+ SetName(d.GetName()) ;
+ SetTitle(d.GetTitle()) ;
+ fDigitThreshold = d.fDigitThreshold ;
+ fMeanPhotonElectron = d.fMeanPhotonElectron ;
+ fPedestal = d.fPedestal ;
+ fSlope = d.fSlope ;
+ fPinNoise = d.fPinNoise ;
+ fTimeResolution = d.fTimeResolution ;
+ fTimeThreshold = d.fTimeThreshold ;
+ fTimeSignalLength = d.fTimeSignalLength ;
+ fADCchannelEC = d.fADCchannelEC ;
+ fADCpedestalEC = d.fADCpedestalEC ;
+ fNADCEC = d.fNADCEC ;
+ fEventFolderName = d.fEventFolderName;
+ }
- Int_t inputs ;
- for(inputs = 0; inputs < fNinputs ;inputs++)
- fIevent->AddAt(-1, inputs ) ;
-
+//____________________________________________________________________________
+AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd):
+ AliDigitizer(rd,"EMCAL"+AliConfig::Instance()->GetDigitizerTaskName()),
+ fEventFolderName(0)
+{
+ // ctor Init() is called by RunDigitizer
+ fManager = rd ;
+ fEventFolderName = fManager->GetInputFolderName(0) ;
+ SetTitle(dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetFileName(0));
+ InitParameters() ;
+ fDefaultInit = kFALSE ;
}
-//____________________________________________________________________________
-Bool_t AliEMCALDigitizer::Combinator() {
-
- //Makes all desirable combinations Signal+Background,
- // returns kFALSE when all combinations are made
- // May be useful to introduce some options like "One-to-One", "All-to-One" and "All-to-All" ?
- //realizing "One-to-One" option...
-
- if(!fInitialized)
- Init() ;
-
- Int_t inputs ;
- Bool_t endNotReached = kTRUE ;
+//____________________________________________________________________________
+ AliEMCALDigitizer::~AliEMCALDigitizer()
+{
+ delete [] fInputFileNames ;
+ delete [] fEventNames ;
- for(inputs = 0; (inputs < fNinputs) && endNotReached ;inputs++){
- if(fIevent->At(inputs)+1 < fIeventMax->At(inputs))
- fIevent->AddAt(fIevent->At(inputs)+1, inputs ) ;
- else
- if(inputs == 0)
- endNotReached = kFALSE ;
- else //for inputs other than base one start from the beginning
- fIevent->AddAt(0, inputs ) ;
-
- }
- return endNotReached ;
-
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Digitize(Option_t *option) {
+void AliEMCALDigitizer::Digitize(Int_t event)
+{
// Makes the digitization of the collected summable digits
// for this it first creates the array of all EMCAL modules
// helps to avoid scanning over the list of digits to add
// contribution of any new SDigit.
- if(!fInitialized)
- Init() ;
-
- fDigits->Clear() ;
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ Int_t ReadEvent = event ;
+ if (fManager)
+ ReadEvent = dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetCurrentEventNumber() ;
+ Info("Digitize", "Adding event %d from input stream 0 %s %s", ReadEvent, GetTitle(), fEventFolderName.Data()) ;
+ gime->Event(ReadEvent, "S") ;
+ TClonesArray * digits = gime->Digits() ;
+ digits->Clear() ;
- AliEMCALv0 * EMCAL = (AliEMCALv0 *) gAlice->GetDetector("EMCAL") ;
- AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance( EMCAL->GetGeometry()->GetName(), EMCAL->GetGeometry()->GetTitle() );
+ const AliEMCALGeometry *geom = gime->EMCALGeometry() ;
- //Making digits with noise, first EMC
- Int_t nEMC = 2*geom->GetNPhi()*geom->GetNZ();
- Int_t absID ;
- TString name = geom->GetName() ;
-
- for(absID = 1; absID <= nEMC; absID++){
- Float_t noise = gRandom->Gaus(0., fPinNoise) ;
- new((*fDigits)[absID-1]) AliEMCALDigit( -1,-1, absID,fSDigitizer->Digitize(noise) ) ;
- }
+ Int_t nEMC = geom->GetNPhi()*geom->GetNZ(); //max number of digits possible
+ Int_t absID ;
- // Now look throught (unsorted) list of SDigits and add corresponding digits
- AliEMCALDigit *curSDigit ;
- AliEMCALDigit *digit ;
-
- Int_t inputs;
- for(inputs = 0; inputs< fNinputs ; inputs++){ //loop over (possible) merge sources
-
- TClonesArray * sdigits= (TClonesArray *)fSDigits->At(inputs) ;
- Int_t isdigit ;
-
- Int_t nSDigits = sdigits->GetEntries() ;
- for(isdigit=0;isdigit< nSDigits; isdigit++){
- curSDigit = (AliEMCALDigit *)sdigits->At(isdigit) ;
- if(inputs) //Shift primaries for non-background sdigits
- curSDigit->ShiftPrimary(inputs) ;
- digit = (AliEMCALDigit *)fDigits->At(curSDigit->GetId() - 1);
- cout << curSDigit->GetAmp() << " and " << digit->GetAmp() << endl ;
- *digit = *digit + *curSDigit ;
- }
- }
-
+ digits->Expand(nEMC) ;
- //remove digits below thresholds
- for(absID = 0; absID < nEMC ; absID++)
- if(fSDigitizer->Calibrate(((AliEMCALDigit*)fDigits->At(absID))->GetAmp()) < fEMCDigitThreshold)
- fDigits->RemoveAt(absID) ;
-
- fDigits->Compress() ;
+ // get first the sdigitizer from the tasks list (must have same name as the digitizer)
+ if ( !gime->SDigitizer() )
+ gime->LoadSDigitizer();
+ AliEMCALSDigitizer * sDigitizer = gime->SDigitizer();
- Int_t ndigits = fDigits->GetEntriesFast() ;
+ if ( !sDigitizer )
+ Fatal("Digitize", "SDigitizer with name %s %s not found", fEventFolderName.Data(), GetTitle() ) ;
- fDigits->Expand(ndigits) ;
-
-
- //Set indexes in list of digits
+ //take all the inputs to add together and load the SDigits
+ TObjArray * sdigArray = new TObjArray(fInput) ;
+ sdigArray->AddAt(gime->SDigits(), 0) ;
Int_t i ;
- for (i = 0 ; i < ndigits ; i++) {
- AliEMCALDigit * digit = (AliEMCALDigit *) fDigits->At(i) ;
- digit->SetIndexInList(i) ;
- cout << digit->GetAmp() << "is amp" << endl;
- Float_t energy = fSDigitizer->Calibrate(digit->GetAmp()) ;
- cout << energy << " = energy " << endl;
- energy = energy*1000 ;
- cout << energy << " = energy " << endl;
- digit->SetAmp(DigitizeEnergy(energy,digit->GetId()) ) ;
- cout << digit->GetAmp() << "is amp" << endl;
- cout << 100*energy/12.9 << endl ;
+ for(i = 1 ; i < fInput ; i++){
+ TString tempo(fEventNames[i]) ;
+ tempo += i ;
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(fInputFileNames[i], tempo) ;
+ if (fManager)
+ ReadEvent = dynamic_cast<AliStream*>(fManager->GetInputStream(i))->GetCurrentEventNumber() ;
+ Info("Digitize", "Adding event %d from input stream %d %s %s", ReadEvent, i, fInputFileNames[i].Data(), tempo.Data()) ;
+ gime->Event(ReadEvent,"S");
+ sdigArray->AddAt(gime->SDigits(), i) ;
+ }
+
+ //Find the first tower with signal
+ Int_t nextSig = nEMC + 1 ;
+ TClonesArray * sdigits ;
+ for(i = 0 ; i < fInput ; i++){
+ sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
+ if ( !sdigits->GetEntriesFast() )
+ continue ;
+ Int_t curNext = dynamic_cast<AliEMCALDigit *>(sdigits->At(0))->GetId() ;
+ if(curNext < nextSig)
+ nextSig = curNext ;
}
-}
-//____________________________________________________________________________
-
-Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t absId)
- { Int_t chanel ;
- //if(absId <= fEmcCrystals){ //digitize as EMC
- chanel = (Int_t) TMath::Ceil(energy) ;
- //if(chanel > fNADCemc ) chanel = fNADCemc ;
- // }
- return chanel ;
-}
-//____________________________________________________________________________
-
-
-void AliEMCALDigitizer::WriteDigits(){
- // Made TreeD in the output file. Check if branch already exists: if yes, exits
- // without writing: ROOT TTree does not suppert overwriting/updating of the
- // already existing branches. Creates branch with Digits, named "EMCAL", title "...",
- // and branch "AliEMCALDigitizer", with the same title to keep all the parameters
- // and names of files, from which digits are made.
+ TArrayI index(fInput) ;
+ index.Reset() ; //Set all indexes to zero
- gAlice->GetEvent(fIevent->At(0)) ; // Suitable only for One-To-One mixing
- gAlice->SetEvent(fIevent->At(0)) ; // for all-to-all will produce a lot of branches in TreeD
+ AliEMCALDigit * digit ;
+ AliEMCALDigit * curSDigit ;
- if(gAlice->TreeD()==0)
- gAlice->MakeTree("D") ;
+ TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
- //Check, if this branch already exits?
- TBranch * digitsBranch = 0;
- TBranch * digitizerBranch = 0;
-
- TObjArray * branches = gAlice->TreeD()->GetListOfBranches() ;
- Int_t ibranch;
- Bool_t emcalNotFound = kTRUE ;
- Bool_t digitizerNotFound = kTRUE ;
-
- for(ibranch = 0;ibranch <branches->GetEntries();ibranch++){
-
- if(emcalNotFound){
- digitsBranch=(TBranch *) branches->At(ibranch) ;
- if( (strcmp("EMCAL",digitsBranch->GetName())==0 ) &&
- (fDigitsTitle.CompareTo(digitsBranch->GetTitle()) == 0) )
- emcalNotFound = kFALSE ;
- }
- if(digitizerNotFound){
- digitizerBranch = (TBranch *) branches->At(ibranch) ;
- if( (strcmp(digitizerBranch->GetName(),"AliEMCALDigitizer") == 0) &&
- (fDigitsTitle.CompareTo(digitizerBranch->GetTitle()) == 0))
- digitizerNotFound = kFALSE ;
+ //Put Noise contribution
+ for(absID = 1; absID <= nEMC; absID++){
+ Float_t amp = 0 ;
+ // amplitude set to zero, noise will be added later
+ new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID, 0, TimeOfNoise() ) ;
+ //look if we have to add signal?
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At(absID-1)) ;
+
+ if(absID==nextSig){
+ //Add SDigits from all inputs
+ ticks->Clear() ;
+ Int_t contrib = 0 ;
+ Float_t a = digit->GetAmp() ;
+ Float_t b = TMath::Abs( a /fTimeSignalLength) ;
+ //Mark the beginning of the signal
+ new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b);
+ //Mark the end of the signal
+ new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
+
+ // loop over input
+ for(i = 0; i< fInput ; i++){ //loop over (possible) merge sources
+ if(dynamic_cast<TClonesArray *>(sdigArray->At(i))->GetEntriesFast() > index[i] )
+ curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
+ else
+ curSDigit = 0 ;
+ //May be several digits will contribute from the same input
+ while(curSDigit && (curSDigit->GetId() == absID)){
+ //Shift primary to separate primaries belonging different inputs
+ Int_t primaryoffset ;
+ if(fManager)
+ primaryoffset = fManager->GetMask(i) ;
+ else
+ primaryoffset = i ;
+ curSDigit->ShiftPrimary(primaryoffset) ;
+
+ a = curSDigit->GetAmp() ;
+ b = a /fTimeSignalLength ;
+ new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b);
+ new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b);
+
+ *digit = *digit + *curSDigit ; //add energies
+
+ index[i]++ ;
+ if( dynamic_cast<TClonesArray *>(sdigArray->At(i))->GetEntriesFast() > index[i] )
+ curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
+ else
+ curSDigit = 0 ;
+ }
+ }
+ // add fluctuations for photo-electron creation
+ amp = sDigitizer->Calibrate(digit->GetAmp()) ; // GeV
+ amp *= static_cast<Float_t>(gRandom->Poisson(fMeanPhotonElectron)) / static_cast<Float_t>(fMeanPhotonElectron) ;
+
+ //calculate and set time
+ Float_t time = FrontEdgeTime(ticks) ;
+ digit->SetTime(time) ;
+
+ //Find next signal module
+ nextSig = nEMC + 1 ;
+ for(i = 0 ; i < fInput ; i++){
+ sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
+ Int_t curNext = nextSig ;
+ if(sdigits->GetEntriesFast() > index[i] ){
+ curNext = dynamic_cast<AliEMCALDigit *>(sdigits->At(index[i]))->GetId() ;
+ }
+ if(curNext < nextSig) nextSig = curNext ;
+ }
}
+ // add the noise now
+ amp += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ;
+ digit->SetAmp(sDigitizer->Digitize(amp)) ;
}
-
- if(!(digitizerNotFound && emcalNotFound)){
- cout << "AliEMCALDigitizer error: " << endl ;
- cout << " can not update/overwrite existing branches "<< endl ;
- cout << " do not write " << endl ;
- return ;
- }
+ ticks->Delete() ;
+ delete ticks ;
- // create new branches
+ delete sdigArray ; //We should not delete its contents
- //First generate file name
- char * file =0;
- if(gSystem->Getenv("CONFIG_SPLIT_FILE")){ //generating file name
- file = new char[strlen(gAlice->GetBaseFile())+20] ;
- sprintf(file,"%s/EMCAL.Digits.root",gAlice->GetBaseFile()) ;
+ //remove digits below thresholds
+ for(i = 0 ; i < nEMC ; i++){
+ digit = dynamic_cast<AliEMCALDigit*>( digits->At(i) ) ;
+ Float_t threshold = fDigitThreshold ;
+ if(sDigitizer->Calibrate( digit->GetAmp() ) < threshold)
+ digits->RemoveAt(i) ;
+ else
+ digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
}
- TDirectory *cwd = gDirectory;
+ digits->Compress() ;
- //First create list of sdigits
- Int_t bufferSize = 32000 ;
- digitsBranch = gAlice->TreeD()->Branch("EMCAL",&fDigits,bufferSize);
- digitsBranch->SetTitle(fDigitsTitle.Data());
- if (file) {
- digitsBranch->SetFile(file);
- TIter next( digitsBranch->GetListOfBranches());
- TBranch * sbr ;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
-
- //second - create Digitizer
- Int_t splitlevel = 0 ;
- AliEMCALDigitizer * d = this ;
- digitizerBranch = gAlice->TreeD()->Branch("AliEMCALDigitizer","AliEMCALDigitizer",
- &d,bufferSize,splitlevel);
- digitizerBranch->SetTitle(fDigitsTitle.Data());
- if (file) {
- digitizerBranch->SetFile(file);
- TIter next( digitizerBranch->GetListOfBranches());
- TBranch * sbr;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
-
- digitsBranch->Fill() ;
- digitizerBranch->Fill() ;
+ Int_t ndigits = digits->GetEntriesFast() ;
+ digits->Expand(ndigits) ;
- gAlice->TreeD()->Write(0,kOverwrite) ;
-
- //remove fSDigitizer before new event.
- if(fSDigitizer){
- delete fSDigitizer ;
- fSDigitizer = 0 ;
+ //Set indexes in list of digits
+ for (i = 0 ; i < ndigits ; i++) {
+ digit = dynamic_cast<AliEMCALDigit *>( digits->At(i) ) ;
+ digit->SetIndexInList(i) ;
+ Float_t energy = sDigitizer->Calibrate(digit->GetAmp()) ;
+ digit->SetAmp(DigitizeEnergy(energy) ) ;
}
+}
+//____________________________________________________________________________
+Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy)
+{
+ Int_t channel = -999;
+ channel = static_cast<Int_t> (TMath::Ceil( (energy + fADCpedestalEC)/fADCchannelEC )) ;
+ if(channel > fNADCEC )
+ channel = fNADCEC ;
+ return channel ;
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Exec(Option_t *option) {
- // Managing method
-
- if(!fInitialized) Init() ;
+void AliEMCALDigitizer::Exec(Option_t *option)
+{
+ // Steering method to process digitization for events
+ // in the range from fFirstEvent to fLastEvent.
+ // This range is optionally set by SetEventRange().
+ // if fLastEvent=-1, then process events until the end.
+ // by default fLastEvent = fFirstEvent (process only one event)
+
+ if (!fInit) { // to prevent overwrite existing file
+ Error( "Exec", "Give a version name different from %s", fEventFolderName.Data() ) ;
+ return ;
+ }
+ if (strstr(option,"print")) {
+ Print();
+ return ;
+ }
+
if(strstr(option,"tim"))
gBenchmark->Start("EMCALDigitizer");
+
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle()) ;
+
+ // Post Digitizer to the white board
+ gime->PostDigitizer(this) ;
+
+ if (fLastEvent == -1)
+ fLastEvent = gime->MaxEvent() - 1 ;
+ else if (fManager)
+ fLastEvent = fFirstEvent ;
- //reset events numbers to start from the beginnig
- Reset() ;
+ Int_t nEvents = fLastEvent - fFirstEvent + 1;
- while(Combinator()){
-
- if(!ReadSDigits()) //read sdigits event(s) evaluated by Combinator() from file(s)
- return ;
-
- Digitize(option) ; //Add prepared SDigits to digits and add the noise
+ Int_t ievent ;
+
+ for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
+
+ gime->Event(ievent,"S") ;
+
+ Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
+
WriteDigits() ;
-
+
if(strstr(option,"deb"))
PrintDigits(option);
+ //increment the total number of Digits per run
+ fDigitsInRun += gime->Digits()->GetEntriesFast() ;
}
+
+ gime->EmcalLoader()->CleanDigitizer() ;
if(strstr(option,"tim")){
gBenchmark->Stop("EMCALDigitizer");
- cout << "AliEMCALDigitizer:" << endl ;
- cout << " took " << gBenchmark->GetCpuTime("EMCALDigitizer") << " seconds for SDigitizing "
- << gBenchmark->GetCpuTime("EMCALDigitizer")/(fIeventMax->At(0)) << " seconds per event " << endl ;
- cout << endl ;
- }
-
+ printf("Exec: took %f seconds for Digitizing %f seconds per event",
+ gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nEvents ) ;
+ }
}
-//__________________________________________________________________
-Bool_t AliEMCALDigitizer::ReadSDigits(){
-// Reads summable digits from the opened files for the particular set of events given by fIevent
-
- if(!fInitialized) Init() ;
-
-
- Int_t inputs ;
- for(inputs = fNinputs-1; inputs >= 0; inputs --){
-
- Int_t event = fIevent->At(inputs) ;
-
- TFile * file = (TFile*) gROOT->GetFile(((TObjString *) fHeaderFiles->At(inputs))->GetString() ) ;
- file->cd() ;
-
- // Get SDigits Tree header from file
- char treeName[20];
- sprintf(treeName,"TreeS%d",event);
- TTree * treeS = (TTree*)file->Get(treeName);
-
- if(treeS==0){
- cout << "Error at AliEMCALDigitizer: no "<<treeName << " in file " << file->GetName() << endl ;
- cout << "Do nothing " << endl ;
- return kFALSE ;
- }
-
- TBranch * sdigitsBranch = 0;
- TBranch * sdigitizerBranch = 0;
-
- TObjArray * branches = treeS->GetListOfBranches() ;
- Int_t ibranch;
- Bool_t emcalNotFound = kTRUE ;
- Bool_t sdigitizerNotFound = kTRUE ;
-
- for(ibranch = 0;ibranch <branches->GetEntries();ibranch++){
-
- if(emcalNotFound){
- sdigitsBranch=(TBranch *) branches->At(ibranch) ;
- if(( strcmp("EMCAL",sdigitsBranch->GetName())==0 ) &&
- ((TObjString*) fSDigitsTitles->At(inputs))->GetString().CompareTo(sdigitsBranch->GetTitle())== 0 )
- emcalNotFound = kFALSE ;
-
- }
-
- if(sdigitizerNotFound){
- sdigitizerBranch = (TBranch *) branches->At(ibranch) ;
- if(( strcmp(sdigitizerBranch->GetName(),"AliEMCALSDigitizer") == 0) &&
- ((TObjString*) fSDigitsTitles->At(inputs))->GetString().CompareTo(sdigitizerBranch->GetTitle())== 0 )
- sdigitizerNotFound = kFALSE ;
-
- }
- }
-
- if(sdigitizerNotFound || emcalNotFound){
- cout << "Can't find Branch with sdigits or SDigitizer in the file " ;
- if( ((TObjString*)fSDigitsTitles->At(inputs))->GetString().IsNull() )
- cout << file->GetName() << endl ;
- else
- cout << ((TObjString*)fSDigitsTitles->At(inputs))->GetString().Data() << endl ;
- cout << "Do nothing" <<endl ;
- return kFALSE ;
- }
-
- TClonesArray * sdigits = (TClonesArray*) fSDigits->At(inputs) ;
- sdigitsBranch->SetAddress(&sdigits) ;
-
- AliEMCALSDigitizer *sDigitizer = new AliEMCALSDigitizer();
- sdigitizerBranch->SetAddress(&sDigitizer) ;
-
- sdigitsBranch->GetEntry(0) ;
- sdigitizerBranch->GetEntry(0) ;
-
- if(fSDigitizer == 0)
- fSDigitizer = sDigitizer ;
+//____________________________________________________________________________
+Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * ticks)
+{
+ // Returns the shortest time among all time ticks
+
+ ticks->Sort() ; //Sort in accordance with times of ticks
+ TIter it(ticks) ;
+ AliEMCALTick * ctick = (AliEMCALTick *) it.Next() ;
+ Float_t time = ctick->CrossingTime(fTimeThreshold) ;
+
+ AliEMCALTick * t ;
+ while((t=(AliEMCALTick*) it.Next())){
+ if(t->GetTime() < time) //This tick starts before crossing
+ *ctick+=*t ;
else
- if(!((*fSDigitizer)==(*sDigitizer)) ){
- cout << "AliEMCALDigitizer ERROR:" << endl ;
- cout << " you are using sdigits made with different SDigitizers" << endl ;
- cout << "fSD " << fSDigitizer << " SD" << sDigitizer << endl ;
- fSDigitizer->Print("") ;
- sDigitizer->Print("") ;
- cout << "Do Nothing " << endl ;
- return kFALSE ;
- }
+ return time ;
+ time = ctick->CrossingTime(fTimeThreshold) ;
+ }
+ return time ;
+}
+
+//____________________________________________________________________________
+Bool_t AliEMCALDigitizer::Init()
+{
+ // Makes all memory allocations
+ fInit = kTRUE ;
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ if ( gime == 0 ) {
+ Error("Init", "Could not obtain the Getter object for file %s and event %s !", GetTitle(), fEventFolderName.Data()) ;
+ return kFALSE;
+ }
+ TString opt("Digits") ;
+ if(gime->VersionExists(opt) ) {
+ Error( "Init", "Give a version name different from %s", fEventFolderName.Data() ) ;
+ fInit = kFALSE ;
}
- fPedestal = fSDigitizer->GetPedestalParameter() ;
- fSlope = fSDigitizer->GetCalibrationParameter() ;
+
+ fFirstEvent = 0 ;
+ fLastEvent = fFirstEvent ;
+
+ if(fManager)
+ fInput = fManager->GetNinputs() ;
+ else
+ fInput = 1 ;
+
+ fInputFileNames = new TString[fInput] ;
+ fEventNames = new TString[fInput] ;
+ fInputFileNames[0] = GetTitle() ;
+ fEventNames[0] = fEventFolderName.Data() ;
+ Int_t index ;
+ for (index = 1 ; index < fInput ; index++) {
+ fInputFileNames[index] = dynamic_cast<AliStream*>(fManager->GetInputStream(index))->GetFileName(0);
+ TString tempo = fManager->GetInputFolderName(index) ;
+ fEventNames[index] = tempo.Remove(tempo.Length()-1) ; // strip of the stream number added bt fManager
+ }
+
+ //to prevent cleaning of this object while GetEvent is called
+ gime->EmcalLoader()->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
- return kTRUE ;
+ return fInit ;
+}
+//____________________________________________________________________________
+void AliEMCALDigitizer::InitParameters()
+{
+ fMeanPhotonElectron = 18200 ; // electrons per GeV
+ fPinNoise = 0.003 ; // noise equivalent GeV (random choice)
+ if (fPinNoise == 0. )
+ Warning("InitParameters", "No noise added\n") ;
+ fDigitThreshold = fPinNoise * 3; //2 sigma
+ fTimeResolution = 1.0e-9 ;
+ fTimeSignalLength = 1.0e-9 ;
+
+ fADCchannelEC = 0.00305; // width of one ADC channel in GeV - HG fix so that we see 200 GeV gammas
+ fADCpedestalEC = 0.005 ; // GeV
+ fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
+
+ fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
+
}
+
//__________________________________________________________________
-void AliEMCALDigitizer::MixWith(char* HeaderFile, char* sDigitsTitle){
- // Alows produce digits by superimposing background and signal event.
+void AliEMCALDigitizer::MixWith(TString alirunFileName, TString eventFolderName)
+{
+ // Allows to produce digits by superimposing background and signal event.
// It is assumed, that headers file with SIGNAL events is opened in
- // constructor, and now we set the BACKGROUND event, with which we
- // will mix. Thus we avoid writing (changing) huge and expencive
+ // the constructor.
+ // Sets the BACKGROUND event, with which the SIGNAL event is to be mixed
+ // Thus we avoid writing (changing) huge and expensive
// backgound files: all output will be writen into SIGNAL, i.e.
// opened in constructor file.
//
- // One can open as many files to mix with as one wants.
+ // One can open as many files to mix with as one needs.
+ // However only Sdigits with the same name (i.e. constructed with the same SDigitizer)
+ // can be mixed.
-
- if(!fInitialized)
+ if( strcmp(GetName(), "") == 0 )
Init() ;
-
-
- if(HeaderFile == 0){
- cout << "Specify at least header file to merge"<< endl ;
+
+ if(fManager){
+ Error("MixWith", "Cannot use this method under AliRunDigitizer") ;
return ;
+ }
+ // looking for file which contains AliRun
+ if (gSystem->AccessPathName(alirunFileName)) {// file does not exist
+ Error("MixWith", "File %s does not exist!", alirunFileName.Data()) ;
+ return ;
}
-
- Int_t inputs ;
- for(inputs = 0; inputs < fNinputs ; inputs++){
- if(strcmp(((TObjString *)fHeaderFiles->At(inputs))->GetString(),HeaderFile) == 0 ){
- if(sDigitsTitle == 0){
- if(((TObjString*)fSDigitsTitles->At(inputs))->GetString().CompareTo("") == 0){
- cout << "Entry already exists, do not add" << endl ;
- return ;
- }
- }
- else
- if(((TObjString*)fSDigitsTitles->At(inputs))->GetString().CompareTo(sDigitsTitle)){
- cout << "Entry already exists, do not add" << endl ;
- return;
- }
- }
- }
-
- fHeaderFiles->Expand(fNinputs+1) ;
- new((*fHeaderFiles)[fNinputs]) TObjString(HeaderFile) ;
-
-
- TFile * file = new TFile(((TObjString *) fHeaderFiles->At(fNinputs))->GetString()) ;
-
- file->cd() ;
-
- fSDigitsTitles->Expand(fNinputs+1) ;
- new((*fSDigitsTitles)[fNinputs]) TObjString(sDigitsTitle) ;
-
- fSDigits->Expand(fNinputs+1) ;
- new((*fSDigits)[fNinputs]) TClonesArray("AliEMCALDigit",1000) ;
-
- fIevent->Set(fNinputs+1) ;
- fIevent->AddAt(-1, fNinputs) ;
-
- fIeventMax->Set(fNinputs+1) ;
-
- TTree * te = (TTree *) file->Get("TE") ;
- fIeventMax->AddAt((Int_t) te->GetEntries(), fNinputs );
-
- fNinputs++ ;
-
-}
+ // looking for the file which contains SDigits
+ AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
+ TString fileName( gime->GetSDigitsFileName() ) ;
+ if ( eventFolderName != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name
+ fileName = fileName.ReplaceAll(".root", "") + "_" + eventFolderName + ".root" ;
+ if ( (gSystem->AccessPathName(fileName)) ) {
+ Error("MixWith", "The file %s does not exist!", fileName.Data()) ;
+ return ;
+ }
+ // need to increase the arrays
+ TString tempo = fInputFileNames[fInput-1] ;
+ delete [] fInputFileNames ;
+ fInputFileNames = new TString[fInput+1] ;
+ fInputFileNames[fInput-1] = tempo ;
+
+ tempo = fEventNames[fInput-1] ;
+ delete [] fEventNames ;
+ fEventNames = new TString[fInput+1] ;
+ fEventNames[fInput-1] = tempo ;
+
+ fInputFileNames[fInput] = alirunFileName ;
+ fEventNames[fInput] = eventFolderName ;
+ fInput++ ;
+}
+
//__________________________________________________________________
-void AliEMCALDigitizer::Print(Option_t* option)const {
-
- if(fInitialized){
-
- cout << "------------------- "<< GetName() << " -------------" << endl ;
- cout << "Digitizing sDigits from file(s): " <<endl ;
- Int_t input ;
- for(input = 0; input < fNinputs ; input++) {
- cout << " " << ((TObjString *) fHeaderFiles->At(input))->GetString() <<
- " Branch title:" << ((TObjString *) fSDigitsTitles->At(input))->GetString() << endl ;
+void AliEMCALDigitizer::Print()const
+{
+ // Print Digitizer's parameters
+ printf("Print: \n------------------- %s -------------", GetName() ) ;
+ if( strcmp(fEventFolderName.Data(), "") != 0 ){
+ printf(" Writing Digits to branch with title %s\n", fEventFolderName.Data()) ;
+
+ Int_t nStreams ;
+ if (fManager)
+ nStreams = GetNInputStreams() ;
+ else
+ nStreams = fInput ;
+
+ Int_t index = 0 ;
+ for (index = 0 ; index < nStreams ; index++) {
+ TString tempo(fEventNames[index]) ;
+ tempo += index ;
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(fInputFileNames[index], tempo) ;
+ TString fileName( gime->GetSDigitsFileName() ) ;
+ if ( fEventNames[index] != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name
+ fileName = fileName.ReplaceAll(".root", "") + "_" + fEventNames[index] + ".root" ;
+ printf ("Adding SDigits from %s %s\n", fInputFileNames[index].Data(), fileName.Data()) ;
}
- cout << endl ;
- cout << "Writing digits to " << ((TObjString *) fHeaderFiles->At(0))->GetString() << endl ;
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ printf("\nWriting digits to %s", gime->GetDigitsFileName().Data()) ;
+
+ printf("\nWith following parameters:\n") ;
- cout << endl ;
- cout << "With following parameters: " << endl ;
- cout << " Electronics noise in EMC (fPinNoise) = " << fPinNoise << endl ;
- cout << " Threshold in EMC (fEMCDigitThreshold) = " << fEMCDigitThreshold << endl ; ;
- cout << "---------------------------------------------------" << endl ;
+ printf(" Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ;
+ printf(" Threshold in EMC (fDigitThreshold) = %f\n", fDigitThreshold) ;
+ printf("---------------------------------------------------\n") ;
}
else
- cout << "AliEMCALDigitizer not initialized " << endl ;
-
+ printf("Print: AliEMCALDigitizer not initialized") ;
}
+
//__________________________________________________________________
void AliEMCALDigitizer::PrintDigits(Option_t * option){
- cout << "AliEMCALDigitiser:"<< endl ;
- cout << " Number of entries in Digits list " << fDigits->GetEntriesFast() << endl ;
- cout << endl ;
- if(strstr(option,"all")){
-
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ TClonesArray * digits = gime->Digits() ;
+
+ printf("PrintDigits: %d", digits->GetEntriesFast()) ;
+ printf("\nevent %d", gAlice->GetEvNumber()) ;
+ printf("\n Number of entries in Digits list %d", digits->GetEntriesFast() ) ;
+
+ if(strstr(option,"all")){
//loop over digits
AliEMCALDigit * digit;
- cout << "Digit Id " << " Amplitude " << " Index " << " Nprim " << " Primaries list " << endl;
+ printf("\nEMC digits (with primaries):\n") ;
+ printf("\n Id Amplitude Time Index Nprim: Primaries list \n") ;
Int_t index ;
- for (index = 0 ; index < fDigits->GetEntries() ; index++) {
- digit = (AliEMCALDigit * ) fDigits->At(index) ;
- cout << setw(8) << digit->GetId() << " " << setw(3) << digit->GetAmp() << " "
- << setw(6) << digit->GetIndexInList() << " "
- << setw(5) << digit->GetNprimary() <<" ";
-
+ for (index = 0 ; index < digits->GetEntries() ; index++) {
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At(index)) ;
+ printf("\n%6d %8d %6.5e %4d %2d : ",
+ digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;
Int_t iprimary;
- for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++)
- cout << setw(5) << digit->GetPrimary(iprimary+1) << " ";
- cout << endl;
- }
-
+ for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
+ printf("%d ",digit->GetPrimary(iprimary+1) ) ;
+ }
+ }
}
}
-//__________________________________________________________________
-void AliEMCALDigitizer::SetSDigitsBranch(const char* title){
- // we set title (comment) of the SDigits branch in the first! header file
- if(!fInitialized) Init() ;
-
- ((TObjString*) fSDigitsTitles->At(0) )->SetString((char*)title) ;
+//__________________________________________________________________
+Float_t AliEMCALDigitizer::TimeOfNoise(void)
+{
+ // Calculates the time signal generated by noise
+ //PH Info("TimeOfNoise", "Change me") ;
+ return gRandom->Rndm() * 1.28E-5;
}
+
//__________________________________________________________________
-void AliEMCALDigitizer::SetDigitsBranch(const char* title){
- //Sets the title (comment) of the branch to which Digits branch
- if(!fInitialized) Init() ;
+void AliEMCALDigitizer::Unload()
+{
+ // Unloads the SDigits and Digits
+ Int_t i ;
+ for(i = 1 ; i < fInput ; i++){
+ TString tempo(fEventNames[i]) ;
+ tempo += i ;
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(fInputFileNames[i], tempo) ;
+ gime->EmcalLoader()->UnloadSDigits() ;
+ }
+
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ gime->EmcalLoader()->UnloadDigits() ;
+}
+
+//_________________________________________________________________________________________
+void AliEMCALDigitizer::WriteDigits()
+{
+
+ // Makes TreeD in the output file.
+ // Check if branch already exists:
+ // if yes, exit without writing: ROOT TTree does not support overwriting/updating of
+ // already existing branches.
+ // else creates branch with Digits, named "EMCAL", title "...",
+ // and branch "AliEMCALDigitizer", with the same title to keep all the parameters
+ // and names of files, from which digits are made.
+
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ const TClonesArray * digits = gime->Digits() ;
+ TTree * treeD = gime->TreeD();
+
+ // -- create Digits branch
+ Int_t bufferSize = 32000 ;
+ TBranch * digitsBranch = treeD->Branch("EMCAL",&digits,bufferSize);
+ digitsBranch->SetTitle(fEventFolderName);
+ digitsBranch->Fill() ;
- fDigitsTitle = title ;
+ gime->WriteDigits("OVERWRITE");
+ gime->WriteDigitizer("OVERWRITE");
+
+ Unload() ;
}
+