//
//*-- Author: Sahal Yacoob (LBL)
// 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 "AliEMCALTick.h"
-#include "AliEMCALv1.h"
+#include "AliEMCAL.h"
+#include "AliEMCALGetter.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
-#include "AliEMCALGetter.h"
-#include "AliRunDigitizer.h"
+#include "AliEMCALTick.h"
+
ClassImp(AliEMCALDigitizer)
//____________________________________________________________________________
- AliEMCALDigitizer::AliEMCALDigitizer()
+ AliEMCALDigitizer::AliEMCALDigitizer():AliDigitizer("",""),
+ fInput(0),
+ fInputFileNames(0x0),
+ fEventNames(0x0)
{
// ctor
-
- fSDigitizer = 0 ;
- fNinputs = 0 ;
- fPinNoise = 0.0 ;
- fTowerDigitThreshold = 0.0 ;
- fTimeResolution = 0. ;
- fTimeSignalLength = 0. ;
- fPreShowerDigitThreshold = 0. ;
- fADCchannelTower = 0.0; // width of one ADC channel in GeV
- fADCpedestalTower = 0. ; // pedestal of ADC
- fNADCTower = 0; // number of channels in Tower ADC
-
- fADCchannelPreSho = 0.0; // width of one ADC channel in Pre Shower
- fADCpedestalPreSho = 0.0 ; // pedestal of ADC
- fNADCPreSho = 0; // number of channels in Pre Shower ADC
- fTimeThreshold = 0.0; //Means 1 MeV in terms of SDigits amplitude
- fManager = 0 ;
-
-
-
+ InitParameters() ;
+ fDefaultInit = kTRUE ;
+ fManager = 0 ; // We work in the standalong mode
+ fEventFolderName = "" ;
}
+
//____________________________________________________________________________
-Bool_t AliEMCALDigitizer::Init()
+AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName):
+ AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), alirunFileName),
+ fInputFileNames(0), fEventNames(0), fEventFolderName(eventFolderName)
{
- // Makes all memory allocations
-
- fSDigitizer = 0 ;
- fNinputs = 1 ;
- fPinNoise = 0.00001 ;
- fTowerDigitThreshold = 0.001 ;
- fTimeResolution = 0.5e-9 ;
- fTimeSignalLength = 1.0e-9 ;
- fPreShowerDigitThreshold = fTowerDigitThreshold/25. ;
- fInitialized = kFALSE ;
- fADCchannelTower = 0.000220; // width of one ADC channel in GeV
- fADCpedestalTower = 0.005 ; // GeV
- fNADCTower = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
-
- fADCchannelPreSho = 0.0000300; // width of one ADC channel in Pre Shower
- fADCpedestalPreSho = 0.005 ; //
- fNADCPreSho = (Int_t) TMath::Power(2,12); // number of channels in Pre ShowerADC
-
- fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
-
-
-
-if(fManager)
- SetTitle("aliroot") ;
- else if (strcmp(GetTitle(),"")==0)
- SetTitle("galice.root") ;
+ // ctor
- if( strcmp(GetName(), "") == 0 )
- SetName("Default") ;
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), "update") ;
- if ( gime == 0 ) {
- cerr << "ERROR: AliEMCALDigitizer::Init -> Could not obtain the Getter object !" << endl ;
- return kFALSE;
- }
-
- //const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
- //fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ;
-
- // Post Digits to the white board
- gime->PostDigits(GetName() ) ;
-
- // Post Digitizer to the white board
- gime->PostDigitizer(this) ;
-
- //Mark that we will use current header file
- if(!fManager){
- gime->PostSDigits(GetName(),GetTitle()) ;
- gime->PostSDigitizer(GetName(),GetTitle()) ;
- }
- return kTRUE ;
-
-
-
+ InitParameters() ;
+ Init() ;
+ fDefaultInit = kFALSE ;
+ fManager = 0 ; // We work in the standalong mode
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile,const char *name)
+AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d) : AliDigitizer(d)
{
- SetName(name) ;
- SetTitle(headerFile) ;
- fManager = 0 ; // We work in the standalong mode
- 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;
+ }
-
-}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * ard):AliDigitizer(ard)
+AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd):
+ AliDigitizer(rd,"EMCAL"+AliConfig::Instance()->GetDigitizerTaskName()),
+ fEventFolderName(0)
{
- // ctor
- SetName(""); //Will call init in the digitizing
- SetTitle("aliroot") ;
+ // ctor Init() is called by RunDigitizer
+ fManager = rd ;
+ fEventFolderName = fManager->GetInputFolderName(0) ;
+ SetTitle(dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetFileName(0));
+ InitParameters() ;
+ fDefaultInit = kFALSE ;
}
//____________________________________________________________________________
AliEMCALDigitizer::~AliEMCALDigitizer()
{
- // dtor
-
-}
-//____________________________________________________________________________
-void AliEMCALDigitizer::Reset() {
- //sets current event number to the first simulated event
-if( strcmp(GetName(), "") == 0 )
- Init() ;
+ delete [] fInputFileNames ;
+ delete [] fEventNames ;
- // Int_t inputs ;
- // for(inputs = 0; inputs < fNinputs ;inputs++)
- // fIevent->AddAt(-1, inputs ) ;
-
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Digitize(const Int_t event) {
+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.
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- TClonesArray * digits = gime->Digits(GetName()) ;
-
+ 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() ;
- const AliEMCALGeometry *geom = gime->EMCALGeometry() ;
-
+ const AliEMCALGeometry *geom = gime->EMCALGeometry() ;
- //Making digits with noise, first EMC
- Int_t nEMC = 2*geom->GetNPhi()*geom->GetNZ();
+ Int_t nEMC = geom->GetNPhi()*geom->GetNZ(); //max number of digits possible
+
Int_t absID ;
- TString name = geom->GetName() ;
- // get first the sdigitizer from the tasks list (must have same name as the digitizer)
- const AliEMCALSDigitizer * sDigitizer = gime->SDigitizer(GetName());
- if ( !sDigitizer) {
- cerr << "ERROR: AliEMCALDigitizer::Digitize -> SDigitizer with name " << GetName() << " not found " << endl ;
- abort() ;
+ digits->Expand(nEMC) ;
+
+ // get first the sdigitizer from the tasks list (must have same name as the digitizer)
+ if ( !gime->SDigitizer() )
+ gime->LoadSDigitizer();
+ AliEMCALSDigitizer * sDigitizer = gime->SDigitizer();
+
+ if ( !sDigitizer )
+ Fatal("Digitize", "SDigitizer with name %s %s not found", fEventFolderName.Data(), GetTitle() ) ;
+
+ //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 = 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) ;
}
-
-// loop through the sdigits posted to the White Board and add them to the noise
- TCollection * folderslist = gime->SDigitsFolder()->GetListOfFolders() ;
- TIter next(folderslist) ;
- TFolder * folder = 0 ;
- TClonesArray * sdigits = 0 ;
- Int_t input = 0 ;
- TObjArray * sdigArray = new TObjArray(2) ;
- while ( (folder = (TFolder*)next()) )
- if ( (sdigits = (TClonesArray*)folder->FindObject(GetName()) ) ) {
- cout << "INFO: AliEMCALDigitizer::Digitize -> Adding SDigits "
- << GetName() << " from " << folder->GetName() << endl ;
- sdigArray->AddAt(sdigits, input) ;
- input++ ;
- }
-
+
//Find the first tower with signal
- Int_t nextSig = 200000 ;
- Int_t i;
- for(i=0; i<input; i++){
- sdigits = (TClonesArray *)sdigArray->At(i) ;
+ 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 = ((AliEMCALDigit *)sdigits->At(0))->GetId() ;
+ Int_t curNext = dynamic_cast<AliEMCALDigit *>(sdigits->At(0))->GetId() ;
if(curNext < nextSig)
nextSig = curNext ;
}
- TArrayI index(input) ;
+ TArrayI index(fInput) ;
index.Reset() ; //Set all indexes to zero
- AliEMCALDigit * digit = 0 ;
- AliEMCALDigit * curSDigit = 0 ;
+ AliEMCALDigit * digit ;
+ AliEMCALDigit * curSDigit ;
TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
//Put Noise contribution
for(absID = 1; absID <= nEMC; absID++){
- Float_t noise = gRandom->Gaus(0., fPinNoise);
- new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID,sDigitizer->Digitize(noise), TimeOfNoise() ) ;
+ 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
- digit = (AliEMCALDigit *) digits->At(absID-1) ;
-
+ //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 beginnign of the signal
+ //Mark the beginning of the signal
new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b);
- //Mark the end of the ignal
+ //Mark the end of the signal
new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
- // loop over input
-
- for(i = 0; i< input ; i++){ //loop over (possible) merge sources
- if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
- curSDigit = (AliEMCALDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;
+ // 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){
+ while(curSDigit && (curSDigit->GetId() == absID)){
//Shift primary to separate primaries belonging different inputs
Int_t primaryoffset ;
if(fManager)
*digit = *digit + *curSDigit ; //add energies
index[i]++ ;
- if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
- curSDigit = (AliEMCALDigit*)((TClonesArray *)sdigArray->At(i))->At(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 ;
}
}
-
-//calculate and set time
+ // 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 = 200000 ;
- for(i=0; i<input; i++){
- sdigits = ((TClonesArray *)sdigArray->At(i)) ;
+ 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 = ((AliEMCALDigit *) sdigits->At(index[i]))->GetId() ;
-
+ 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)) ;
}
ticks->Delete() ;
delete ticks ;
-
-
+ delete sdigArray ; //We should not delete its contents
//remove digits below thresholds
- for(absID = 0; absID < nEMC/2 ; absID++){
- if(sDigitizer->Calibrate(((AliEMCALDigit*)digits->At(absID))->GetAmp()) < fTowerDigitThreshold)
- digits->RemoveAt(absID) ;
- else
- digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
- }
-
- for(absID = nEMC/2; absID < nEMC ; absID++){
- if(sDigitizer->Calibrate(((AliEMCALDigit*)digits->At(absID))->GetAmp()) < fPreShowerDigitThreshold)
- digits->RemoveAt(absID) ;
- else
+ 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) ) ;
}
digits->Compress() ;
- Int_t ndigits = digits->GetEntriesFast() ;
-
+ Int_t ndigits = digits->GetEntriesFast() ;
digits->Expand(ndigits) ;
-
//Set indexes in list of digits
- //Int_t i ;
- for (i = 0 ; i < ndigits ; i++) {
- AliEMCALDigit * digit = (AliEMCALDigit *) digits->At(i) ;
+ 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,digit->GetId()) ) ;
+ digit->SetAmp(DigitizeEnergy(energy) ) ;
}
}
//____________________________________________________________________________
-Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t absId)
+Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy)
{
- Int_t channel = -999;
- Int_t nphi = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNPhi() ;
- Int_t nz = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNZ() ;
-
- if(absId <= nphi*nz){ //digitize as tower
- channel = static_cast<Int_t> (TMath::Ceil( (energy + fADCpedestalTower)/fADCchannelTower )) ;
- if(channel > fNADCTower )
- channel = fNADCTower ;
- } else {
- channel = static_cast<Int_t>(TMath::Ceil( (energy + fADCpedestalPreSho)/fADCchannelPreSho )) ;
- if(channel > fNADCPreSho )
- channel = fNADCPreSho ;
- }
-
+ 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(strcmp(GetName(), "") == 0 )
- 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("");
+ Print();
return ;
}
if(strstr(option,"tim"))
gBenchmark->Start("EMCALDigitizer");
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- Int_t nevents ;
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle()) ;
+
+ // Post Digitizer to the white board
+ gime->PostDigitizer(this) ;
- TTree * treeD ;
+ if (fLastEvent == -1)
+ fLastEvent = gime->MaxEvent() - 1 ;
+ else if (fManager)
+ fLastEvent = fFirstEvent ;
+
+ Int_t nEvents = fLastEvent - fFirstEvent + 1;
- if(fManager){
- treeD = fManager->GetTreeD() ;
- nevents = 1 ; // Will process only one event
- }
- else {
- gAlice->GetEvent(0) ;
- nevents = (Int_t) gAlice->TreeE()->GetEntries() ;
- treeD=gAlice->TreeD() ;
- }
- if(treeD == 0 ){
- cerr << " AliEMCALDigitizer :: Can not find TreeD " << endl ;
- return ;
- }
+ Int_t ievent ;
- //Check, if this branch already exits
- TObjArray * lob = (TObjArray*)treeD->GetListOfBranches() ;
- TIter next(lob) ;
- TBranch * branch = 0 ;
- Bool_t emcalfound = kFALSE, digitizerfound = kFALSE ;
+ for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
- while ( (branch = (TBranch*)next()) && (!emcalfound || !digitizerfound) ) {
- if ( (strcmp(branch->GetName(), "EMCAL")==0) &&
- (strcmp(branch->GetTitle(), GetName())==0) )
- emcalfound = kTRUE ;
-
- else if ( (strcmp(branch->GetName(), "AliEMCALDigitizer")==0) &&
- (strcmp(branch->GetTitle(), GetName())==0) )
- digitizerfound = kTRUE ;
- }
+ gime->Event(ievent,"S") ;
- if ( emcalfound ) {
- cerr << "WARNING: AliEMCALDigitizer -> Digits branch with name " << GetName()
- << " already exits" << endl ;
- return ;
- }
- if ( digitizerfound ) {
- cerr << "WARNING: AliEMCALDigitizer -> Digitizer branch with name " << GetName()
- << " already exits" << endl ;
- return ;
- }
+ Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
- Int_t ievent ;
+ WriteDigits() ;
- for(ievent = 0; ievent < nevents; ievent++){
-
- if(fManager){
- Int_t input ;
- for(input = 0 ; input < fManager->GetNinputs(); input ++){
- TTree * treeS = fManager->GetInputTreeS(input) ;
- if(!treeS){
- cerr << "AliEMCALDigitizer -> No Input " << endl ;
- return ;
- }
- gime->ReadTreeS(treeS,input) ;
- }
- }
- else
- gime->Event(ievent,"S") ;
-
- Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
-
- WriteDigits(ievent) ;
-
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 Digitizing "
- << gBenchmark->GetCpuTime("EMCALDigitizer")/nevents << " seconds per event " << endl ;
- cout << endl ;
+ printf("Exec: took %f seconds for Digitizing %f seconds per event",
+ gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nEvents ) ;
+ }
+}
+
+//____________________________________________________________________________
+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
+ 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 ;
+ }
+
+ 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 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){
- // 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( strcmp(GetName(), "") == 0 )
+ if( strcmp(GetName(), "") == 0 )
Init() ;
- if(fManager){
- cout << "Can not use this method under AliRunDigitizer " << endl ;
+ if(fManager){
+ Error("MixWith", "Cannot use this method under AliRunDigitizer") ;
return ;
- } // check if the specified SDigits do not already exist on the White Board:
- // //Folders/RunMC/Event/Data/EMCAL/SDigits/headerFile/sdigitsname
-
- TString path = "Folders/RunMC/Event/Data/EMCAL/SDigits" ;
- path += headerFile ;
- path += "/" ;
- path += GetName() ;
- if ( gROOT->FindObjectAny(path.Data()) ) {
- cerr << "WARNING: AliEMCALDigitizer::MixWith -> Entry already exists, do not add" << endl ;
- 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 ;
}
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- gime->PostSDigits(GetName(),headerFile) ;
-
- // check if the requested file is already open or exist and if SDigits Branch exist
- TFile * file = (TFile*)gROOT->FindObject(headerFile);
- if ( !file ) {
- file = new TFile(headerFile, "READ") ;
- if (!file) {
- cerr << "ERROR: AliEMCALDigitizer::MixWith -> File " << headerFile << " does not exist!" << endl ;
- return ;
+ // 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( strcmp(GetName(), "") != 0) {
+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()) ;
- cout << "------------------- "<< GetName() << " -------------" << endl ;
- cout << "Digitizing sDigits from file(s): " <<endl ;
+ Int_t nStreams ;
+ if (fManager)
+ nStreams = GetNInputStreams() ;
+ else
+ nStreams = fInput ;
- TCollection * folderslist = ((TFolder*)gROOT->FindObjectAny("Folders/RunMC/Event/Data/EMCAL/SDigits"))->GetListOfFolders() ;
- TIter next(folderslist) ;
- TFolder * folder = 0 ;
- while ( (folder = (TFolder*)next()) )
- if ( folder->FindObject(GetName()) )
- {
- cout << "Adding SDigits " << GetName() << " from " << folder->GetName() << endl ;
- cout << endl ;
- cout << "Writing digits to " << GetTitle() << endl ;
-
- cout << endl ;
- cout << "With following parameters: " << endl ;
- cout << " Electronics noise in EMC (fPinNoise) = " << fPinNoise << endl ;
- cout << " Threshold in EMC (fTowerDigitThreshold) = " << fTowerDigitThreshold << endl;
- cout << " Threshold in PreShower (fPreShowerDigitThreshold) = " << fPreShowerDigitThreshold << endl ; ;
- cout << "---------------------------------------------------" << endl ;
- }
- else
- cout << "AliEMCALDigitizer not initialized " << endl ;
+ 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()) ;
}
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ printf("\nWriting digits to %s", gime->GetDigitsFileName().Data()) ;
+
+ printf("\nWith following parameters:\n") ;
+
+ printf(" Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ;
+ printf(" Threshold in EMC (fDigitThreshold) = %f\n", fDigitThreshold) ;
+ printf("---------------------------------------------------\n") ;
+ }
+ else
+ printf("Print: AliEMCALDigitizer not initialized") ;
}
//__________________________________________________________________
void AliEMCALDigitizer::PrintDigits(Option_t * option){
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- TClonesArray * fDigits = gime->Digits() ;
-
- 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) ) ;
+ }
+ }
}
}
+
+//__________________________________________________________________
+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::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(Int_t event)
+void AliEMCALDigitizer::WriteDigits()
{
// Makes TreeD in the output file.
// and branch "AliEMCALDigitizer", with the same title to keep all the parameters
// and names of files, from which digits are made.
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- const TClonesArray * digits = gime->Digits(GetName()) ;
- TTree * treeD ;
-
- if(fManager)
- treeD = fManager->GetTreeD() ;
- else
- treeD = gAlice->TreeD();
-
- // create new branches
- // -- generate file name if necessary
- 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()) ;
- }
+ AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
+ const TClonesArray * digits = gime->Digits() ;
+ TTree * treeD = gime->TreeD();
- TDirectory *cwd = gDirectory;
// -- create Digits branch
Int_t bufferSize = 32000 ;
TBranch * digitsBranch = treeD->Branch("EMCAL",&digits,bufferSize);
- digitsBranch->SetTitle(GetName());
- if (file) {
- digitsBranch->SetFile(file);
- TIter next( digitsBranch->GetListOfBranches());
- TBranch * sbr ;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
-
- // -- Create Digitizer branch
- Int_t splitlevel = 0 ;
- AliEMCALDigitizer * d = gime->Digitizer(GetName()) ;
- TBranch * digitizerBranch = treeD->Branch("AliEMCALDigitizer", "AliEMCALDigitizer", &d,bufferSize,splitlevel);
- digitizerBranch->SetTitle(GetName());
- if (file) {
- digitizerBranch->SetFile(file);
- TIter next( digitizerBranch->GetListOfBranches());
- TBranch * sbr;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
+ digitsBranch->SetTitle(fEventFolderName);
+ digitsBranch->Fill() ;
- digitsBranch->Fill() ;
- digitizerBranch->Fill() ;
+ gime->WriteDigits("OVERWRITE");
+ gime->WriteDigitizer("OVERWRITE");
- treeD->Write(0,kOverwrite) ;
-
-}
-//____________________________________________________________________________
-Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * 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
- return time ;
-
- time = ctick->CrossingTime(fTimeThreshold) ;
- }
- return time ;
-}
-//____________________________________________________________________________
-Float_t AliEMCALDigitizer::TimeOfNoise(void)
-{ // Calculates the time signal generated by noise
- //to be rewritten, now returns just big number
- return 1. ;
+ Unload() ;
}
-//____________________________________________________________________________
-void AliEMCALDigitizer::SetSDigitsBranch(const char* title)
-{
- // we set title (comment) of the SDigits branch in the first! header file
- if( strcmp(GetName(), "") == 0 )
- Init() ;
- AliEMCALGetter::GetInstance()->SDigits()->SetName(title) ;
-}