X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=blobdiff_plain;f=EMCAL%2FAliEMCALDigitizer.cxx;h=d7eddedb47af72a0dd0afde33bd06b51b99e595d;hp=d148aa931bf07827ad08e52836b5d2388b4c40a4;hb=e5ba98473484ffe6b11ca8122f2ab1c3f1a176f0;hpb=ed99616a3674971172cacf1507661a4ad6da4f87 diff --git a/EMCAL/AliEMCALDigitizer.cxx b/EMCAL/AliEMCALDigitizer.cxx index d148aa931bf..d7eddedb47a 100644 --- a/EMCAL/AliEMCALDigitizer.cxx +++ b/EMCAL/AliEMCALDigitizer.cxx @@ -52,157 +52,105 @@ // //*-- 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 // --- 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::fgkDigitizerTaskName, 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 - - + // ctor - if(fManager) - SetTitle("aliroot") ; - else if (strcmp(GetTitle(),"")==0) - SetTitle("galice.root") ; - - 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::fgkDigitizerTaskName), + 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(fManager->GetInputStream(0))->GetFileName(0)); + InitParameters() ; + fDefaultInit = kFALSE ; } //____________________________________________________________________________ AliEMCALDigitizer::~AliEMCALDigitizer() { // dtor + AliEMCALGetter * gime =AliEMCALGetter::Instance(GetTitle(),fEventFolderName); + gime->EmcalLoader()->CleanDigitizer(); + delete [] fInputFileNames ; + delete [] fEventNames ; -} -//____________________________________________________________________________ -void AliEMCALDigitizer::Reset() { - //sets current event number to the first simulated event -if( strcmp(GetName(), "") == 0 ) - Init() ; - - // 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 @@ -211,89 +159,93 @@ void AliEMCALDigitizer::Digitize(const Int_t event) { // 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(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(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()) ) ) { - TString fileName(folder->GetName()) ; - fileName.ReplaceAll("_","/") ; - cout << "INFO: AliEMCALDigitizer::Digitize -> Adding SDigits " - << GetName() << " from " << fileName << endl ; - sdigArray->AddAt(sdigits, input) ; - input++ ; - } - + //Find the first tower with signal - Int_t nextSig = 200000 ; - Int_t i; - for(i=0; iAt(i) ; + Int_t nextSig = nEMC + 1 ; + TClonesArray * sdigits ; + for(i = 0 ; i < fInput ; i++){ + sdigits = dynamic_cast(sdigArray->At(i)) ; if ( !sdigits->GetEntriesFast() ) continue ; - Int_t curNext = ((AliEMCALDigit *)sdigits->At(0))->GetId() ; + Int_t curNext = dynamic_cast(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(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(sdigArray->At(i))->GetEntriesFast() > index[i] ) + curSDigit = dynamic_cast(dynamic_cast(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) @@ -310,296 +262,360 @@ void AliEMCALDigitizer::Digitize(const Int_t event) { *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(sdigArray->At(i))->GetEntriesFast() > index[i] ) + curSDigit = dynamic_cast(dynamic_cast(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(gRandom->Poisson(fMeanPhotonElectron)) / static_cast(fMeanPhotonElectron) ; + + //calculate and set time Float_t time = FrontEdgeTime(ticks) ; digit->SetTime(time) ; //Find next signal module - nextSig = 200000 ; - for(i=0; iAt(i)) ; + nextSig = nEMC + 1 ; + for(i = 0 ; i < fInput ; i++){ + sdigits = dynamic_cast(sdigArray->At(i)) ; Int_t curNext = nextSig ; if(sdigits->GetEntriesFast() > index[i] ){ - curNext = ((AliEMCALDigit *) sdigits->At(index[i]))->GetId() ; - + curNext = dynamic_cast(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( 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( 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 (TMath::Ceil( (energy + fADCpedestalTower)/fADCchannelTower )) ; - if(channel > fNADCTower ) - channel = fNADCTower ; - } else { - channel = static_cast(TMath::Ceil( (energy + fADCpedestalPreSho)/fADCchannelPreSho )) ; - if(channel > fNADCPreSho ) - channel = fNADCPreSho ; - } - + Int_t channel = -999; + channel = static_cast (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 ; - - TTree * treeD ; + AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle()) ; + + 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() ; } 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 ; + } + + // Post Digitizer to the white board + gime->PostDigitizer(this) ; + + 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(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::fgkDefaultEventFolderName) // 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): " <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::fgkDefaultEventFolderName) // 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(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; iprimaryGetNprimary(); iprimary++) - cout << setw(5) << digit->GetPrimary(iprimary+1) << " "; - cout << endl; - } - + for (iprimary=0; iprimaryGetNprimary(); iprimary++) { + printf("%d ",digit->GetPrimary(iprimary+1) ) ; + } + } + } +} + +//__________________________________________________________________ +Float_t AliEMCALDigitizer::TimeOfNoise(void) +{ // Calculates the time signal generated by noise + //to be rewritten, now returns just big number + return 1. ; + +} + +//__________________________________________________________________ +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. @@ -610,89 +626,20 @@ void AliEMCALDigitizer::WriteDigits(Int_t event) // 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 ; + AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ; + const TClonesArray * digits = gime->Digits() ; + TTree * treeD = gime->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()) ; - } - - 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(); - } - - treeD->Fill() ; - 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) ; + digitsBranch->SetTitle(fEventFolderName); + digitsBranch->Fill() ; - 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. ; + gime->WriteDigits("OVERWRITE"); + gime->WriteDigitizer("OVERWRITE"); -} -//____________________________________________________________________________ -void AliEMCALDigitizer::SetSDigitsBranch(const char* title) -{ - // we set title (comment) of the SDigits branch in the first! header file - if( strcmp(GetName(), "") == 0 ) - Init() ; + Unload() ; - AliEMCALGetter::GetInstance()->SDigits()->SetName(title) ; } +