X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=EMCAL%2FAliEMCALDigitizer.cxx;h=e79d100de3286ea4a455ace8df3ef2c06bf9b2ac;hb=4642ac4bd21da41fbc67953351c2695ba0962f83;hp=5f1c50da82232606113106a396cfcac8a9b6027d;hpb=c7823760a22ba98809c6c23f970ef82e9cb455f9;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALDigitizer.cxx b/EMCAL/AliEMCALDigitizer.cxx index 5f1c50da822..e79d100de32 100644 --- a/EMCAL/AliEMCALDigitizer.cxx +++ b/EMCAL/AliEMCALDigitizer.cxx @@ -18,7 +18,7 @@ //_________________________________________________________________________ // ////////////////////////////////////////////////////////////////////////////// -// Class performs digitization of Summable digits +// Class performs digitization of Summable digits from simulated data // // In addition it performs mixing of summable digits from different events. // @@ -55,28 +55,29 @@ // Modif: // August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction // of new IO (à la PHOS) -///_________________________________________________________________________________ +// November 2003 Aleksei Pavlinov : adopted for Shish-Kebab geometry +//_________________________________________________________________________________ // --- ROOT system --- -#include "TFile.h" -#include "TTree.h" -#include "TSystem.h" -#include "TROOT.h" -#include "TFolder.h" -#include "TObjString.h" -#include "TGeometry.h" -#include "TBenchmark.h" - -// --- Standard library --- +#include +#include +#include +#include +#include +#include +#include +#include // --- AliRoot header files --- +#include "AliLog.h" #include "AliRun.h" -#include "AliHeader.h" -#include "AliStream.h" #include "AliRunDigitizer.h" +#include "AliRunLoader.h" +#include "AliCDBManager.h" +#include "AliCDBEntry.h" #include "AliEMCALDigit.h" #include "AliEMCAL.h" -#include "AliEMCALGetter.h" +#include "AliEMCALLoader.h" #include "AliEMCALDigitizer.h" #include "AliEMCALSDigitizer.h" #include "AliEMCALGeometry.h" @@ -86,155 +87,278 @@ ClassImp(AliEMCALDigitizer) //____________________________________________________________________________ - AliEMCALDigitizer::AliEMCALDigitizer() +AliEMCALDigitizer::AliEMCALDigitizer() + : AliDigitizer("",""), + fDefaultInit(kTRUE), + fDigitsInRun(0), + fInit(0), + fInput(0), + fInputFileNames(0x0), + fEventNames(0x0), + fDigitThreshold(0), + fMeanPhotonElectron(0), + fPedestal(0), + fSlope(0), + fPinNoise(0), + fTimeResolution(0), + fTimeThreshold(0), + fTimeSignalLength(0), + fADCchannelEC(0), + fADCpedestalEC(0), + fNADCEC(0), + fEventFolderName(""), + fFirstEvent(0), + fLastEvent(0), + fCalibData(0x0) { // ctor - //InitParameters() ; - fDefaultInit = kTRUE ; - fManager = 0 ; // We work in the standalong mode - + InitParameters() ; + fManager = 0 ; // We work in the standalone mode } //____________________________________________________________________________ -AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile, const char *name, const Bool_t toSplit) +AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName) + : AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), alirunFileName), + fDefaultInit(kFALSE), + fDigitsInRun(0), + fInit(0), + fInput(0), + fInputFileNames(0), + fEventNames(0), + fDigitThreshold(0), + fMeanPhotonElectron(0), + fPedestal(0), + fSlope(0), + fPinNoise(0), + fTimeResolution(0), + fTimeThreshold(0), + fTimeSignalLength(0), + fADCchannelEC(0), + fADCpedestalEC(0), + fNADCEC(0), + fEventFolderName(eventFolderName), + fFirstEvent(0), + fLastEvent(0), + fCalibData(0x0) { // ctor - - SetTitle(headerFile) ; - SetName(name) ; - fManager = 0 ; // We work in the standalong mode - fSplitFile= 0 ; - fToSplit = toSplit ; - Init() ; InitParameters() ; - fDefaultInit = kFALSE ; + Init() ; + fManager = 0 ; // We work in the standalone mode } //____________________________________________________________________________ -AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * ard):AliDigitizer(ard) +AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d) + : AliDigitizer(d.GetName(),d.GetTitle()), + fDefaultInit(d.fDefaultInit), + fDigitsInRun(d.fDigitsInRun), + fInit(d.fInit), + fInput(d.fInput), + fInputFileNames(d.fInputFileNames), + fEventNames(d.fEventNames), + 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), + fFirstEvent(d.fFirstEvent), + fLastEvent(d.fLastEvent), + fCalibData(d.fCalibData) { - // ctor - SetTitle(ard->GetInputFileName(0,0)) ; + // copyy ctor + } + +//____________________________________________________________________________ +AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd) + : AliDigitizer(rd,"EMCAL"+AliConfig::Instance()->GetDigitizerTaskName()), + fDefaultInit(kFALSE), + fDigitsInRun(0), + fInit(0), + fInput(0), + fInputFileNames(0), + fEventNames(0), + fDigitThreshold(0.), + fMeanPhotonElectron(0), + fPedestal(0), + fSlope(0.), + fPinNoise(0), + fTimeResolution(0.), + fTimeThreshold(0), + fTimeSignalLength(0), + fADCchannelEC(0), + fADCpedestalEC(0), + fNADCEC(0), + fEventFolderName(0), + fFirstEvent(0), + fLastEvent(0), + fCalibData(0x0) +{ + // ctor Init() is called by RunDigitizer + fManager = rd ; + fEventFolderName = fManager->GetInputFolderName(0) ; + SetTitle(dynamic_cast(fManager->GetInputStream(0))->GetFileName(0)); InitParameters() ; - fDefaultInit = kFALSE ; - fSplitFile = 0 ; - - if (ard->GetOutputFile()) { - SetName(ard->GetOutputFile().Data()); - fToSplit = kTRUE ; - } else { - SetName("Default") ; - fToSplit = kFALSE ; - } } //____________________________________________________________________________ AliEMCALDigitizer::~AliEMCALDigitizer() { - // dtor + //dtor + if (AliRunLoader::Instance()) { + AliLoader *emcalLoader=0; + if ((emcalLoader = AliRunLoader::Instance()->GetDetectorLoader("EMCAL"))) + emcalLoader->CleanDigitizer(); + } + else + AliDebug(1," no runloader present"); + delete [] fInputFileNames ; + delete [] fEventNames ; - fSplitFile = 0 ; } //____________________________________________________________________________ -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 - // filled with noise (different for EMC, CPV and PPSD) and - // after that adds contributions from SDigits. This design - // helps to avoid scanning over the list of digits to add - // contribution of any new SDigit. + // filled with noise and after that adds contributions from + // SDigits. This design helps to avoid scanning over the + // list of digits to add contribution of any new SDigit. + // + // JLK 26-Jun-2008 + // Note that SDigit energy info is stored as an amplitude, so we + // must call the Calibrate() method of the SDigitizer to convert it + // back to an energy in GeV before adding it to the Digit + // + static int nEMC=0; //max number of digits possible + + AliRunLoader *rl = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); + Int_t readEvent = event ; + // fManager is data member from AliDigitizer + if (fManager) + readEvent = dynamic_cast(fManager->GetInputStream(0))->GetCurrentEventNumber() ; + AliDebug(1,Form("Adding event %d from input stream 0 %s %s", + readEvent, GetTitle(), fEventFolderName.Data())) ; + rl->GetEvent(readEvent); + + TClonesArray * digits = emcalLoader->Digits() ; + digits->Delete() ; //correct way to clear array when memory is + //allocated by objects stored in array + + // Load Geometry + AliEMCALGeometry *geom = 0; + if (rl->GetAliRun()) { + AliEMCAL * emcal = (AliEMCAL*)rl->GetAliRun()->GetDetector("EMCAL"); + geom = emcal->GetGeometry(); + } + else + AliFatal("Could not get AliRun from runLoader"); - AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ; - TClonesArray * digits = gime->Digits(GetName()) ; + nEMC = geom->GetNCells(); + AliDebug(1,Form("nEMC %i (number cells in EMCAL) | %s \n", nEMC, geom->GetName())); - digits->Clear() ; + Int_t absID ; - const AliEMCALGeometry *geom = gime->EMCALGeometry() ; - //Making digits with noise, first EMC - Int_t nEMC = 0 ; - if (geom->GetNHCLayers() > 0 ) - nEMC = 3*geom->GetNPhi()*geom->GetNZ(); //max number of digits possible (Preshower, ECAL, HCAL) - else - nEMC = 2*geom->GetNPhi()*geom->GetNZ(); //max number of digits possible (Preshower, ECAL) - - 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) { - Fatal("Digitize", "SDigitizer with name %s not found", GetName() ); - } + digits->Expand(nEMC) ; -// 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("_","/") ; - if (gDebug) - Info("Digitize", "Adding SDigits %s from %s", GetName(), fileName.Data()) ; - sdigArray->AddAt(sdigits, input) ; - input++ ; - } + // get first the sdigitizer from the tasks list (must have same name as the digitizer) + if ( !emcalLoader->SDigitizer() ) + emcalLoader->LoadSDigitizer(); + AliEMCALSDigitizer * sDigitizer = dynamic_cast(emcalLoader->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(emcalLoader->SDigits(), 0) ; + Int_t i ; + + for(i = 1 ; i < fInput ; i++){ + TString tempo(fEventNames[i]) ; + tempo += i ; + + AliRunLoader * rl2 = AliRunLoader::GetRunLoader(tempo) ; + + if (rl2==0) + rl2 = AliRunLoader::Open(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()) ; + rl2->LoadSDigits(); + rl2->GetEvent(readEvent); + AliEMCALLoader *emcalLoader2 = dynamic_cast(rl2->GetDetectorLoader("EMCAL")); + sdigArray->AddAt(emcalLoader2->SDigits(), i) ; } - + //Find the first tower with signal Int_t nextSig = nEMC + 1 ; - Int_t i; - for(i=0; iAt(i) ; + 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 ; + AliDebug(1,Form("input %i : #sdigits %i \n", + i, sdigits->GetEntriesFast())); } + AliDebug(1,Form("FIRST tower with signal %i \n", nextSig)); - TArrayI index(input) ; + TArrayI index(fInput) ; index.Reset() ; //Set all indexes to zero AliEMCALDigit * digit ; AliEMCALDigit * curSDigit ; - TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ; + // TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ; //Put Noise contribution - for(absID = 1; absID <= nEMC; absID++){ - Float_t amp = 0 ; - // Float_t noise = TMath::Abs(gRandom->Gaus(0., fPinNoise)); - //new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID, sDigitizer->Digitize(noise), TimeOfNoise() ) ; + for(absID = 0; absID < nEMC; absID++){ // Nov 30, 2006 by PAI; was from 1 to nEMC + Float_t energy = 0 ; // amplitude set to zero, noise will be added later - new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID, 0, TimeOfNoise() ) ; + new((*digits)[absID]) AliEMCALDigit( -1, -1, absID, 0, TimeOfNoise() ); // absID-1->absID //look if we have to add signal? - digit = (AliEMCALDigit *) digits->At(absID-1) ; + digit = dynamic_cast(digits->At(absID)); // absID-1->absID + 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 beginnign of the signal - new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b); - //Mark the end of the ignal - new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b); + // ticks->Clear() ; + //Int_t contrib = 0 ; + + //Follow PHOS and comment out this timing model til a better one + //can be developed - JLK 28-Apr-2008 + + //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); + + // Calculate time as time of the largest digit + Float_t time = digit->GetTime() ; + Float_t aTime= digit->GetAmp() ; - // 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) @@ -242,223 +366,204 @@ void AliEMCALDigitizer::Digitize(const Int_t event) 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 + //Remove old timing model - JLK 28-April-2008 + //a = curSDigit->GetAmp() ; + //b = a /fTimeSignalLength ; + //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b); + //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b); + if(curSDigit->GetAmp()>aTime) { + aTime = curSDigit->GetAmp(); + time = curSDigit->GetTime(); + } + + *digit = *digit + *curSDigit ; //adds amplitudes of each digit 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 ; } } + //Here we convert the summed amplitude to an energy in GeV + energy = sDigitizer->Calibrate(digit->GetAmp()) ; // GeV // add fluctuations for photo-electron creation - amp = sDigitizer->Calibrate(digit->GetAmp()) ; // GeV - if (gDebug==1) - Info("Digitize", "id = %d BEFORE amp = %f\n", digit->GetId(),amp) ; - amp *= static_cast(gRandom->Poisson(fMeanPhotonElectron)) / static_cast(fMeanPhotonElectron) ; - if (gDebug==1) - Info("Digitize", "After fluctuation amp = %f\n", amp) ; + energy *= static_cast(gRandom->Poisson(fMeanPhotonElectron)) / static_cast(fMeanPhotonElectron) ; + //calculate and set time - Float_t time = FrontEdgeTime(ticks) ; + //New timing model needed - JLK 28-April-2008 + //Float_t time = FrontEdgeTime(ticks) ; digit->SetTime(time) ; //Find next signal module nextSig = nEMC + 1 ; - for(i=0; iAt(i)) ; + 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 - - if (geom->IsInECAL(digit->GetId())) - amp += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ; - else if (geom->IsInPRE(digit->GetId())) - amp += TMath::Abs(gRandom->Gaus(0., fPinNoise/100.)) ; // arbitrarely divide by 100, assuming that the gain of APD will be higher - else if (geom->IsInHCAL(digit->GetId())) - amp += TMath::Abs(gRandom->Gaus(0., fPinNoise/10.)) ; // arbitrarely divide by 10, assuming that the gain of APD will be higher - if (gDebug==1) - Info("Digitize", "After noise amp = %f \n", amp) ; - digit->SetAmp(sDigitizer->Digitize(amp)) ; - } + energy += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ; + // JLK 26-June-2008 + //Now digitize the energy according to the sDigitizer method, + //which merely converts the energy to an integer. Later we will + //check that the stored value matches our allowed dynamic ranges + digit->SetAmp(sDigitizer->Digitize(energy)) ; + AliDebug(10,Form(" absID %5i energy %f nextSig %5i\n", + absID, energy, nextSig)); + } // for(absID = 0; absID < nEMC; absID++) - ticks->Delete() ; - delete ticks ; + //ticks->Delete() ; + //delete ticks ; + //JLK is it better to call Clear() here? delete sdigArray ; //We should not delete its contents //remove digits below thresholds - for(absID = 0; absID < nEMC; absID++){ - digit = dynamic_cast( digits->At(absID) ) ; - Float_t threshold = 0 ; - - if (geom->IsInECAL(digit->GetId())) - threshold = fDigitThreshold ; - else if (geom->IsInPRE(digit->GetId())) - threshold = fDigitThreshold / 100. ; // arbitrary see before when noise is added - else if (geom->IsInHCAL(digit->GetId())) - threshold = fDigitThreshold / 10. ; // arbitrary see before when noise is added - - if(sDigitizer->Calibrate( digit->GetAmp() ) <= threshold) - digits->RemoveAt(absID) ; - else { - if (gDebug == 1) - Info("Digitize", "id = %d, amp = %f, noise = %f", absID, sDigitizer->Calibrate(digit->GetAmp()), fPinNoise) ; + for(i = 0 ; i < nEMC ; i++){ + digit = dynamic_cast( digits->At(i) ) ; + Float_t threshold = fDigitThreshold ; //this is in GeV + //need to calibrate digit amplitude to energy in GeV for comparison + if(sDigitizer->Calibrate( digit->GetAmp() ) < threshold) + digits->RemoveAt(i) ; + else digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ; - } } digits->Compress() ; Int_t ndigits = digits->GetEntriesFast() ; - // digits->Expand(ndigits) ; - - //Set indexes in list of digits + + //JLK 26-June-2008 + //After we have done the summing and digitizing to create the + //digits, now we want to calibrate the resulting amplitude to match + //the dynamic range of our real data. + Float_t energy=0; 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()) ) ; + energy = sDigitizer->Calibrate(digit->GetAmp()) ; + digit->SetAmp(DigitizeEnergy(energy, digit->GetId()) ) ; } -} -//____________________________________________________________________________ +} -Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t absId) +// //_____________________________________________________________________ +Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t AbsId) { - Int_t channel = -999; - AliEMCALGeometry * geom = AliEMCALGetter::GetInstance()->EMCALGeometry() ; + // JLK 26-June-2008 + // Returns digitized value of the energy in a cell absId + // using the calibration constants stored in the OCDB + // or default values if no CalibData object is found. + // This effectively converts everything to match the dynamic range + // of the real data we will collect + // + // Load Geometry + const AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance(); + + if (geom==0) + AliFatal("Did not get geometry from EMCALLoader"); + + Int_t iSupMod = -1; + Int_t nModule = -1; + Int_t nIphi = -1; + Int_t nIeta = -1; + Int_t iphi = -1; + Int_t ieta = -1; + Int_t channel = -999; + + Bool_t bCell = geom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ; + if(!bCell) + Error("DigitizeEnergy","Wrong cell id number : AbsId %i ", AbsId) ; + geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); - if(geom->IsInPRE(absId)){ //digitize as PRE section - channel = static_cast(TMath::Ceil( (energy + fADCpedestalPRE)/fADCchannelPRE )) ; - if(channel > fNADCPRE ) - channel = fNADCPRE ; - } - else if(geom->IsInECAL(absId)){ //digitize as ECAL section - channel = static_cast (TMath::Ceil( (energy + fADCpedestalEC)/fADCchannelEC )) ; - if(channel > fNADCEC ) - channel = fNADCEC ; - } - else if(geom->IsInHCAL(absId)){ //digitize as HCAL section - channel = static_cast (TMath::Ceil( (energy + fADCpedestalHC)/fADCchannelHC )) ; - if(channel > fNADCHC ) - channel = fNADCHC ; + if(fCalibData) { + fADCpedestalEC = fCalibData->GetADCpedestal(iSupMod,ieta,iphi); + fADCchannelEC = fCalibData->GetADCchannel(iSupMod,ieta,iphi); } + channel = static_cast (TMath::Ceil( (energy + fADCpedestalEC)/fADCchannelEC )) ; + + if(channel > fNADCEC ) + channel = fNADCEC ; return channel ; + } //____________________________________________________________________________ void AliEMCALDigitizer::Exec(Option_t *option) { - // Managing method + // 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(strcmp(GetName(), "") == 0 ) - Init() ; if (strstr(option,"print")) { - Print(""); + + Print(); return ; } if(strstr(option,"tim")) gBenchmark->Start("EMCALDigitizer"); - AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ; - - Int_t nevents ; - - TTree * treeD ; + AliRunLoader *rl = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); + + // Post Digitizer to the white board + emcalLoader->PostDigitizer(this) ; - if(fManager){ - treeD = fManager->GetTreeD() ; - nevents = 1 ; // Will process only one event - - //Check, if this branch already exits - if (treeD) { - TObjArray * lob = (TObjArray*)treeD->GetListOfBranches() ; - TIter next(lob) ; - TBranch * branch = 0 ; - Bool_t emcalfound = kFALSE, digitizerfound = kFALSE ; - - 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 ; - } - - if ( emcalfound ) { - Error( "Exec", "Digits branch with name %s already exits", GetName() ) ; - return ; - } - if ( digitizerfound ) { - Error( "Exec", "Digitizer branch with name %s already exit", GetName() ) ; - return ; - } - } + if (fLastEvent == -1) { + fLastEvent = rl->GetNumberOfEvents() - 1 ; } - else { //EMCAL standalone - if(gime->BranchExists("Digits") ) - return ; - nevents=gime->MaxEvent() ; - } - - Int_t ievent ; + else if (fManager) + fLastEvent = fFirstEvent ; // what is this ?? - 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){ - Error( "Exec", "No Input") ; - return ; - } - gime->ReadTreeS(treeS,input) ; - } + Int_t nEvents = fLastEvent - fFirstEvent + 1; + Int_t ievent; - } - else - gime->Event(ievent,"S") ; + rl->LoadSDigits("EMCAL"); + for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { + rl->GetEvent(ievent); + Digitize(ievent) ; //Add prepared SDigits to digits and add the noise - - WriteDigits(ievent) ; - + + WriteDigits() ; + if(strstr(option,"deb")) PrintDigits(option); - + if(strstr(option,"table")) gObjectTable->Print(); + //increment the total number of Digits per run - fDigitsInRun += gime->Digits()->GetEntriesFast() ; + fDigitsInRun += emcalLoader->Digits()->GetEntriesFast() ; } + emcalLoader->CleanDigitizer() ; + if(strstr(option,"tim")){ gBenchmark->Stop("EMCALDigitizer"); - Info("Exec", "took %f seconds for Digitizing %f seconds per event", - gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nevents ) ; - } - + AliInfo(Form("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() ; @@ -480,86 +585,68 @@ Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * ticks) Bool_t AliEMCALDigitizer::Init() { // Makes all memory allocations + fInit = kTRUE ; + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); - if( strcmp(GetTitle(), "") == 0 ) - SetTitle("galice.root") ; - - AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), fToSplit) ; - if ( gime == 0 ) { - Error("Init", "Could not obtain the Getter object !" ) ; + if ( emcalLoader == 0 ) { + Fatal("Init", "Could not obtain the AliEMCALLoader"); return kFALSE; } - - //const AliEMCALGeometry * geom = gime->EMCALGeometry() ; - //fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; - - // Post Digits to the white board - gime->PostDigits(GetName() ) ; + fFirstEvent = 0 ; + fLastEvent = fFirstEvent ; - // Post Digitizer to the white board - gime->PostDigitizer(this) ; - - fSplitFile = 0 ; - if(fToSplit){ - // construct the name of the file as /path/EMCAL.SDigits.root - //First - extract full path if necessary - TString digitsFileName(GetTitle()) ; - Ssiz_t islash = digitsFileName.Last('/') ; - if(islash(gROOT->GetFile(digitsFileName.Data())); - if(!fSplitFile) - fSplitFile = TFile::Open(digitsFileName.Data(),"update") ; + 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 } - //Mark that we will use current header file - if(!fManager){ - gime->PostSDigits(GetName(),GetTitle()) ; - gime->PostSDigitizer(GetName(),GetTitle()) ; - } - return kTRUE ; + //to prevent cleaning of this object while GetEvent is called + emcalLoader->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE); + + //Calibration instance + fCalibData = emcalLoader->CalibData(); + return fInit ; } //____________________________________________________________________________ void AliEMCALDigitizer::InitParameters() -{ - fMeanPhotonElectron = 1250 ; // electrons per GeV - - Warning("InitParameters", "No noise added\n") ; - fPinNoise = 0. ; // 0.001 ; // noise equivalent GeV (random choice) - fDigitThreshold = fPinNoise * 3; //2 sigma - fTimeResolution = 0.5e-9 ; +{ + // Parameter initialization for digitizer + // Tune parameters - 24-nov-04; Apr 29, 2007 + // New parameters JLK 14-Apr-2008 + + fMeanPhotonElectron = 4400; // electrons per GeV + fPinNoise = 0.037; // pin noise in GEV from analysis test beam data + if (fPinNoise == 0. ) + Warning("InitParameters", "No noise added\n") ; + fDigitThreshold = fPinNoise * 3; // 3 * sigma + fTimeResolution = 0.3e-9 ; // 300 psc fTimeSignalLength = 1.0e-9 ; - fADCchannelEC = 0.000220; // width of one ADC channel in GeV - fADCpedestalEC = 0.005 ; // GeV - fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - - fADCchannelHC = 0.000220; // width of one ADC channel in GeV - fADCpedestalHC = 0.005 ; // GeV - fNADCHC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC + // These defaults are normally not used. + // Values are read from calibration database instead + fADCchannelEC = 0.0153; // Update 24 Apr 2007: 250./16/1024 - width of one ADC channel in GeV + fADCpedestalEC = 0.0 ; // GeV + fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536 - fADCchannelPRE = 0.0000300; // width of one ADC channel in Pre Shower - fADCpedestalPRE = 0.005 ; // GeV - fNADCPRE = (Int_t) TMath::Power(2,12); // number of channels in Pre ShowerADC + fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ?? - fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude - } //__________________________________________________________________ -void AliEMCALDigitizer::MixWith(char* headerFile) +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 @@ -580,117 +667,146 @@ void AliEMCALDigitizer::MixWith(char* headerFile) 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 - - AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ; - TString path = gime->SDigitsFolder()->GetName() ; - - // before it was ???? "Folders/RunMC/Event/Data/EMCAL/SDigits" ; - path += headerFile ; - path += "/" ; - path += GetName() ; - if ( gROOT->FindObjectAny(path.Data()) ) { - Error("MixWith", "Entry already exists, do not add" ) ; - 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 ; } - - 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) { - Error("MixWith", "File %s does not exist!", headerFile) ; - return ; + // looking for the file which contains SDigits + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + TString fileName( emcalLoader->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 + // MvL: This code only works when fInput == 1, I think. + 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 ; -//__________________________________________________________________ -void AliEMCALDigitizer::Print(Option_t* option)const { - - TString message("\n") ; - - if( strcmp(GetName(), "") != 0) { - message += "------------------- " ; - message += GetName() ; - message += " -------------" ; - const Int_t nStreams = GetNInputStreams() ; - if (nStreams) { - Int_t index = 0 ; - for (index = 0 ; index < nStreams ; index++) { - message += "\nAdding SDigits " ; - message += GetName() ; - message += " from " ; - message += fManager->GetInputFileName(index, 0) ; - } - - message += "\nWriting digits to " ; - message += fManager->GetInputFileName(0, 0) ; - } else { - message += "\nWriting digits to " ; - message += GetTitle() ; - } - message += "\nWith following parameters: " ; - message += "\n Electronics noise in EMC (fPinNoise) = " ; - message += fPinNoise ; - message += "\n Threshold in EMC (fDigitThreshold) = " ; - message += fDigitThreshold ; - message += "\n---------------------------------------------------" ; - } - else - message += "\nAliEMCALDigitizer not initialized " ; + fInputFileNames[fInput] = alirunFileName ; + fEventNames[fInput] = eventFolderName ; + fInput++ ; +} - Info("Print", message.Data() ) ; +//__________________________________________________________________ +void AliEMCALDigitizer::Print1(Option_t * option) +{ // 19-nov-04 - just for convinience + Print(); + PrintDigits(option); } //__________________________________________________________________ -void AliEMCALDigitizer::PrintDigits(Option_t * option){ +void AliEMCALDigitizer::Print(Option_t*)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()) ; - AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ; - TClonesArray * fDigits = gime->Digits() ; + Int_t nStreams ; + if (fManager) + nStreams = GetNInputStreams() ; + else + nStreams = fInput ; + + Int_t index = 0 ; + + AliRunLoader *rl=0; + + for (index = 0 ; index < nStreams ; index++) { + TString tempo(fEventNames[index]) ; + tempo += index ; + if ((rl = AliRunLoader::GetRunLoader(tempo)) == 0) + rl = AliRunLoader::Open(fInputFileNames[index], tempo) ; + AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); + TString fileName( emcalLoader->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()) ; + } - TString message("\n") ; - message += " Number of entries in Digits list " ; - message += fDigits->GetEntriesFast() ; + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); - if(strstr(option,"all")){ + printf("\nWriting digits to %s", emcalLoader->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) +{ + //utility method for printing digit information + + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + TClonesArray * digits = emcalLoader->Digits() ; + TClonesArray * sdigits = emcalLoader->SDigits() ; + + printf("\n #Digits: %d : sdigits %d ", digits->GetEntriesFast(), sdigits->GetEntriesFast()) ; + printf("\n event %d", emcalLoader->GetRunLoader()->GetEventNumber()); + + if(strstr(option,"all")){ //loop over digits AliEMCALDigit * digit; - message += "\n Id Amplitude Time Index Nprim: Primaries list \n" ; + printf("\nEMC digits (with primaries):\n") ; + printf("\n Id Amplitude Time Index Nprim: Primaries list \n") ; Int_t index ; - char * tempo = new char[8192]; - for (index = 0 ; index < fDigits->GetEntries() ; index++) { - digit = (AliEMCALDigit * ) fDigits->At(index) ; - sprintf(tempo, "\n%6d %8d %6.5e %4d %2d : ", + 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()) ; - message += tempo ; Int_t iprimary; for (iprimary=0; iprimaryGetNprimary(); iprimary++) { - sprintf(tempo, "%d ",digit->GetPrimary(iprimary+1) ) ; - message += tempo ; + printf("%d ",digit->GetPrimary(iprimary+1) ) ; } } - delete tempo ; } - Info("PrintDigits", message.Data() ) ; + printf("\n"); } //__________________________________________________________________ Float_t AliEMCALDigitizer::TimeOfNoise(void) -{ // Calculates the time signal generated by noise - //to be rewritten, now returns just big number - return 1. ; +{ + // 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 + AliRunLoader *rl=0; + + Int_t i ; + for(i = 1 ; i < fInput ; i++){ + TString tempo(fEventNames[i]) ; + tempo += i; + if ((rl = AliRunLoader::GetRunLoader(tempo))) + rl->GetDetectorLoader("EMCAL")->UnloadSDigits() ; + } + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + emcalLoader->UnloadDigits() ; } //_________________________________________________________________________________________ -void AliEMCALDigitizer::WriteDigits(Int_t event) +void AliEMCALDigitizer::WriteDigits() { // Makes TreeD in the output file. @@ -701,34 +817,36 @@ 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 ; - - if(fManager) - treeD = fManager->GetTreeD() ; - else { - if ((gAlice->TreeD() == 0) || (fSplitFile)) // we should not create TreeD if it is already here - gAlice->MakeTree("D", fSplitFile); // We overwrite TreeD in split file in the case of second reconstruction - if(fSplitFile) - fSplitFile->cd() ; - treeD = gAlice->TreeD(); - } - - // -- create Digits branch - Int_t bufferSize = 32000 ; - TBranch * digitsBranch = treeD->Branch("EMCAL",&digits,bufferSize); - digitsBranch->SetTitle(GetName()); - - // -- Create Digitizer branch - Int_t splitlevel = 0 ; - const AliEMCALDigitizer * d = gime->Digitizer(GetName()) ; - TBranch * digitizerBranch = treeD->Branch("AliEMCALDigitizer", "AliEMCALDigitizer", &d,bufferSize,splitlevel); - digitizerBranch->SetTitle(GetName()); - - digitsBranch->Fill() ; - digitizerBranch->Fill() ; - treeD->AutoSave() ; - + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + + const TClonesArray * digits = emcalLoader->Digits() ; + TTree * treeD = emcalLoader->TreeD(); + if ( !treeD ) { + emcalLoader->MakeDigitsContainer(); + treeD = emcalLoader->TreeD(); + } + + // -- create Digits branch + Int_t bufferSize = 32000 ; + TBranch * digitsBranch = 0; + if ((digitsBranch = treeD->GetBranch("EMCAL"))) { + digitsBranch->SetAddress(&digits); + AliWarning("Digits Branch already exists. Not all digits will be visible"); + } + else + treeD->Branch("EMCAL","TClonesArray",&digits,bufferSize); + //digitsBranch->SetTitle(fEventFolderName); + treeD->Fill() ; + + emcalLoader->WriteDigits("OVERWRITE"); + emcalLoader->WriteDigitizer("OVERWRITE"); + + Unload() ; + } +//__________________________________________________________________ +void AliEMCALDigitizer::Browse(TBrowser* b) +{ + TTask::Browse(b); +}