X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;ds=sidebyside;f=EMCAL%2FAliEMCALDigitizer.cxx;h=3cc2392ef7944903dee54f4fbc5a47dcf8125294;hb=40891fa2882f8fd1a673fd64974ab857e764f994;hp=3de1b7a8024115f1abdfaae1e0e226b620d31bd0;hpb=05a92d59aeb65ac1e2f05b1c0600345cea26698b;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALDigitizer.cxx b/EMCAL/AliEMCALDigitizer.cxx index 3de1b7a8024..3cc2392ef79 100644 --- a/EMCAL/AliEMCALDigitizer.cxx +++ b/EMCAL/AliEMCALDigitizer.cxx @@ -18,684 +18,1289 @@ //_________________________________________________________________________ // ////////////////////////////////////////////////////////////////////////////// -// 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. +// In addition it performs mixing/embedding of summable digits from different events. // -// For each event two branches are created in TreeD: +// For each event 3 branches are created in TreeD: // "EMCAL" - list of digits +// "EMCALTRG" - list of trigger digits // "AliEMCALDigitizer" - AliEMCALDigitizer with all parameters used in digitization // -// Note, that one cset title for new digits branch, and repeat digitization with -// another set of parameters. // -// Examples of use: -// root[0] AliEMCALDigitizer * d = new AliEMCALDigitizer() ; -// root[1] d->ExecuteTask() -// Warning in : object already instantiated -// //Digitizes SDigitis in all events found in file galice.root -// -// root[2] AliEMCALDigitizer * d1 = new AliEMCALDigitizer("galice1.root") ; -// // Will read sdigits from galice1.root -// root[3] d1->MixWith("galice2.root") -// Warning in : object already instantiated -// // Reads another portion of sdigits from galice2.root -// root[3] d1->MixWith("galice3.root") -// // Reads another portion of sdigits from galice3.root -// root[4] d->ExecuteTask("deb timing") -// // Reads SDigits from files galice1.root, galice2.root .... -// // mixes them and stores produced Digits in file galice1.root -// // deb - prints number of produced digits -// // deb all - prints list of produced digits -// // timing - prints time used for digitization //////////////////////////////////////////////////////////////////////////////////// // //*-- 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) -///_________________________________________________________________________________ +// of new IO (a la PHOS) +// November 2003 Aleksei Pavlinov : adopted for Shish-Kebab geometry +// July 2011 GCB: Digitizer modified to accomodate embedding. +// Time calibration added. Decalibration possibility of energy and time added +//_________________________________________________________________________________ // --- 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 +#include +#include // --- AliRoot header files --- +#include "AliLog.h" #include "AliRun.h" -#include "AliHeader.h" -#include "AliStream.h" -#include "AliRunDigitizer.h" +#include "AliDigitizationInput.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" -#include "AliEMCALTick.h" - -ClassImp(AliEMCALDigitizer) +#include "AliEMCALCalibData.h" +#include "AliEMCALSimParam.h" +#include "AliEMCALRawDigit.h" +#include "AliCaloCalibPedestal.h" + namespace + { + Double_t HeavisideTheta(Double_t x) + { + Double_t signal = 0.; + + if (x > 0.) signal = 1.; + + return signal; + } + + Double_t AnalogFastORFunction(Double_t *x, Double_t *par) + { + Double_t v0 = par[0]; + Double_t t0 = par[1]; + Double_t tr = par[2]; + + Double_t R1 = 1000.; + Double_t C1 = 33e-12; + Double_t R2 = 1800; + Double_t C2 = 22e-12; + + Double_t t = x[0]; + + return (((0.8*(-((TMath::Power(C1,2)*C2*TMath::Power(TMath::E(),(-t + t0)/(C1*R1))* + TMath::Power(R1,2)*R2)/(C1*R1 - C2*R2)) + + C1*C2*R1*R2*(1 - (C2*TMath::Power(TMath::E(),(-t + t0)/(C2*R2))*R2)/(-(C1*R1) + C2*R2)))*v0* + HeavisideTheta(t - t0))/tr + - (0.8*(C1*C2*R1*R2 - + (TMath::Power(C1,2)*C2*TMath::Power(TMath::E(),(-1.*t + t0 + 1.25*tr)/(C1*R1))* + TMath::Power(R1,2)*R2)/(C1*R1 - C2*R2) + + (C1*TMath::Power(C2,2)*TMath::Power(TMath::E(),(-1.*t + t0 + 1.25*tr)/(C2*R2))* + R1*TMath::Power(R2,2))/(C1*R1 - C2*R2))*v0* + HeavisideTheta(t - t0 - 1.25*tr))/tr)/(C2*R1)); + } + } +ClassImp(AliEMCALDigitizer) + + //____________________________________________________________________________ - AliEMCALDigitizer::AliEMCALDigitizer() +AliEMCALDigitizer::AliEMCALDigitizer() + : AliDigitizer("",""), + fDefaultInit(kTRUE), + fDigitsInRun(0), + fInit(0), + fInput(0), + fInputFileNames(0x0), + fEventNames(0x0), + fDigitThreshold(0), + fMeanPhotonElectron(0), + fGainFluctuations(0), + fPinNoise(0), + fTimeNoise(0), + fTimeDelay(0), + fTimeResolutionPar0(0), + fTimeResolutionPar1(0), + fADCchannelEC(0), + fADCpedestalEC(0), + fADCchannelECDecal(0), + fTimeChannel(0), + fTimeChannelDecal(0), + fNADCEC(0), + fEventFolderName(""), + fFirstEvent(0), + fLastEvent(0), + fCalibData(0x0), + fSDigitizer(0x0) { // ctor InitParameters() ; - fDefaultInit = kTRUE ; - fManager = 0 ; // We work in the standalong mode - + fDigInput = 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("EMCALDigitizer", alirunFileName), + fDefaultInit(kFALSE), + fDigitsInRun(0), + fInit(0), + fInput(0), + fInputFileNames(0), + fEventNames(0), + fDigitThreshold(0), + fMeanPhotonElectron(0), + fGainFluctuations(0), + fPinNoise(0), + fTimeNoise(0), + fTimeDelay(0), + fTimeResolutionPar0(0), + fTimeResolutionPar1(0), + fADCchannelEC(0), + fADCpedestalEC(0), + fADCchannelECDecal(0), + fTimeChannel(0), + fTimeChannelDecal(0), + fNADCEC(0), + fEventFolderName(eventFolderName), + fFirstEvent(0), + fLastEvent(0), + fCalibData(0x0), + fSDigitizer(0x0) { // ctor - - SetTitle(headerFile) ; - SetName(name) ; - fManager = 0 ; // We work in the standalong mode - fSplitFile= 0 ; InitParameters() ; - fToSplit = toSplit ; Init() ; - fDefaultInit = kFALSE ; + fDigInput = 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), + fGainFluctuations(d.fGainFluctuations), + fPinNoise(d.fPinNoise), + fTimeNoise(d.fTimeNoise), + fTimeDelay(d.fTimeDelay), + fTimeResolutionPar0(d.fTimeResolutionPar0), + fTimeResolutionPar1(d.fTimeResolutionPar1), + fADCchannelEC(d.fADCchannelEC), + fADCpedestalEC(d.fADCpedestalEC), + fADCchannelECDecal(d.fADCchannelECDecal), + fTimeChannel(d.fTimeChannel), fTimeChannelDecal(d.fTimeChannelDecal), + fNADCEC(d.fNADCEC), + fEventFolderName(d.fEventFolderName), + fFirstEvent(d.fFirstEvent), + fLastEvent(d.fLastEvent), + fCalibData(d.fCalibData), + fSDigitizer(d.fSDigitizer ? new AliEMCALSDigitizer(*d.fSDigitizer) : 0) { - // ctor - SetTitle(ard->GetInputFileName(0,0)) ; + // copyy ctor +} + +//____________________________________________________________________________ +AliEMCALDigitizer::AliEMCALDigitizer(AliDigitizationInput * rd) + : AliDigitizer(rd,"EMCALDigitizer"), + fDefaultInit(kFALSE), + fDigitsInRun(0), + fInit(0), + fInput(0), + fInputFileNames(0), + fEventNames(0), + fDigitThreshold(0), + fMeanPhotonElectron(0), + fGainFluctuations(0), + fPinNoise(0.), + fTimeNoise(0.), + fTimeDelay(0.), + fTimeResolutionPar0(0.), + fTimeResolutionPar1(0.), + fADCchannelEC(0), + fADCpedestalEC(0), + fADCchannelECDecal(0), + fTimeChannel(0), + fTimeChannelDecal(0), + fNADCEC(0), + fEventFolderName(0), + fFirstEvent(0), + fLastEvent(0), + fCalibData(0x0), + fSDigitizer(0x0) +{ + // ctor Init() is called by RunDigitizer + fDigInput = rd ; + fEventFolderName = fDigInput->GetInputFolderName(0) ; + SetTitle(dynamic_cast(fDigInput->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 - - fSplitFile = 0 ; + //dtor + delete [] fInputFileNames ; + delete [] fEventNames ; + if (fSDigitizer) delete fSDigitizer; } //____________________________________________________________________________ -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. - - AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ; - TClonesArray * digits = gime->Digits(GetName()) ; + // 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")); - digits->Clear() ; - - const AliEMCALGeometry *geom = gime->EMCALGeometry() ; - //Making digits with noise, first EMC - Int_t nEMC = 2*geom->GetNPhi()*geom->GetNZ(); - - Int_t absID ; - TString name = geom->GetName() ; - - // 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() ; - } - -// 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++ ; + if(emcalLoader){ + Int_t readEvent = event ; + // fDigInput is data member from AliDigitizer + if (fDigInput) + readEvent = dynamic_cast(fDigInput->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()) { + AliFatal("Could not get AliRun from runLoader"); } - } - - //Find the first tower with signal - Int_t nextSig = 200000 ; - Int_t i; - for(i=0; iAt(i) ; - if ( !sdigits->GetEntriesFast() ) - continue ; - Int_t curNext = ((AliEMCALDigit *)sdigits->At(0))->GetId() ; - if(curNext < nextSig) - nextSig = curNext ; - } - - TArrayI index(input) ; - index.Reset() ; //Set all indexes to zero - - 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() ) ; - //look if we have to add signal? - digit = (AliEMCALDigit *) digits->At(absID-1) ; + else{ + AliEMCAL * emcal = (AliEMCAL*)rl->GetAliRun()->GetDetector("EMCAL"); + geom = emcal->GetGeometry(); + nEMC = geom->GetNCells(); + AliDebug(1,Form("nEMC %i (number cells in EMCAL) | %s \n", nEMC, geom->GetName())); + } + + Int_t absID = -1 ; + + digits->Expand(nEMC) ; + + // RS create a digitizer on the fly + if (!fSDigitizer) fSDigitizer = new AliEMCALSDigitizer(rl->GetFileName().Data()); + fSDigitizer->SetEventRange(0, -1) ; + // + //take all the inputs to add together and load the SDigits + TObjArray * sdigArray = new TObjArray(fInput) ; + sdigArray->AddAt(emcalLoader->SDigits(), 0) ; + Int_t i ; + Int_t embed = kFALSE; + 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 (fDigInput) + readEvent = dynamic_cast(fDigInput->GetInputStream(i))->GetCurrentEventNumber() ; + Info("Digitize", "Adding event %d from input stream %d %s %s", readEvent, i, fInputFileNames[i].Data(), tempo.Data()) ; + rl2->LoadSDigits(); + // rl2->LoadDigits(); + rl2->GetEvent(readEvent); + if(rl2->GetDetectorLoader("EMCAL")) + { + AliEMCALLoader *emcalLoader2 = dynamic_cast(rl2->GetDetectorLoader("EMCAL")); - 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); - - // 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]) ; - else - curSDigit = 0 ; - //May be several digits will contribute from the same input - while(curSDigit && curSDigit->GetId() == absID){ - //Shift primary to separate primaries belonging different inputs - Int_t primaryoffset ; - if(fManager) - primaryoffset = fManager->GetMask(i) ; - else - primaryoffset = i ; - curSDigit->ShiftPrimary(primaryoffset) ; - - a = curSDigit->GetAmp() ; - b = a /fTimeSignalLength ; - new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b); - new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b); - - *digit = *digit + *curSDigit ; //add energies - - index[i]++ ; - if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] ) - curSDigit = (AliEMCALDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ; - else - curSDigit = 0 ; + if(emcalLoader2) { + //Merge 2 simulated sdigits + if(emcalLoader2->SDigits()){ + TClonesArray* sdigits2 = emcalLoader2->SDigits(); + sdigArray->AddAt(sdigits2, i) ; + // Check if first sdigit is of embedded type, if so, handle the sdigits differently: + // do not smear energy of embedded, do not add noise to any sdigits + if(sdigits2->GetEntriesFast()>0){ + //printf("Merged digit type: %d\n",dynamic_cast (sdigits2->At(0))->GetType()); + AliEMCALDigit * digit2 = dynamic_cast (sdigits2->At(0)); + if(digit2 && digit2->GetType()==AliEMCALDigit::kEmbedded){ + embed = kTRUE; + } + } + } + + }//loader2 + else AliFatal("EMCAL Loader of second event not available!"); + + } + else Fatal("Digitize", "Loader of second input not found"); + }// input loop + + //Find the first tower with signal + Int_t nextSig = nEMC + 1 ; + TClonesArray * sdigits ; + for(i = 0 ; i < fInput ; i++){ + if(i > 0 && embed) continue; + sdigits = dynamic_cast(sdigArray->At(i)) ; + if(sdigits){ + if (sdigits->GetEntriesFast() ){ + AliEMCALDigit *sd = dynamic_cast(sdigits->At(0)); + if(sd){ + Int_t curNext = sd->GetId() ; + if(curNext < nextSig) + nextSig = curNext ; + AliDebug(1,Form("input %i : #sdigits %i \n", + i, sdigits->GetEntriesFast())); + + }//First entry is not NULL + else { + Info("Digitize", "NULL sdigit pointer"); + continue; + } + }//There is at least one entry + else { + Info("Digitize", "NULL sdigits array"); + continue; } + }// SDigits array exists + else { + Info("Digitizer","Null sdigit pointer"); + continue; } + }// input loop + AliDebug(1,Form("FIRST tower with signal %i \n", nextSig)); + + TArrayI index(fInput) ; + index.Reset() ; //Set all indexes to zero + + AliEMCALDigit * digit ; + AliEMCALDigit * curSDigit ; + + //Put Noise contribution, smear time and energy + Float_t timeResolution = 0; + for(absID = 0; absID < nEMC; absID++){ // Nov 30, 2006 by PAI; was from 1 to nEMC + + if (IsDead(absID)) continue; // Don't instantiate dead digits + + Float_t energy = 0 ; + + // amplitude set to zero, noise will be added later + Float_t noiseTime = 0.; + if(!embed) noiseTime = TimeOfNoise(); //No need for embedded events? + new((*digits)[absID]) AliEMCALDigit( -1, -1, absID, 0., noiseTime,kFALSE); // absID-1->absID + //look if we have to add signal? + digit = dynamic_cast(digits->At(absID)); // absID-1->absID + + if (digit) { + + if(absID==nextSig){ - //calculate and set time - Float_t time = FrontEdgeTime(ticks) ; - digit->SetTime(time) ; - - //Find next signal module - nextSig = 200000 ; - for(i=0; iAt(i)) ; - Int_t curNext = nextSig ; - if(sdigits->GetEntriesFast() > index[i] ){ - curNext = ((AliEMCALDigit *) sdigits->At(index[i]))->GetId() ; - - } - if(curNext < nextSig) nextSig = curNext ; + // Calculate time as time of the largest digit + Float_t time = digit->GetTime() ; + Float_t aTime= digit->GetAmplitude() ; + + // loop over input + Int_t nInputs = fInput; + if(embed) nInputs = 1; // In case of embedding, merge later real digits, do not smear energy and time of data + for(i = 0; i< nInputs ; i++){ //loop over (possible) merge sources + TClonesArray* sdtclarr = dynamic_cast(sdigArray->At(i)); + if(sdtclarr) { + Int_t sDigitEntries = sdtclarr->GetEntriesFast(); + + if(sDigitEntries > index[i] ) + curSDigit = dynamic_cast(sdtclarr->At(index[i])) ; + else + curSDigit = 0 ; + + //May be several digits will contribute from the same input + while(curSDigit && (curSDigit->GetId() == absID)){ + //Shift primary to separate primaries belonging different inputs + Int_t primaryoffset ; + if(fDigInput) + primaryoffset = fDigInput->GetMask(i) ; + else + primaryoffset = i ; + curSDigit->ShiftPrimary(primaryoffset) ; + + if(curSDigit->GetAmplitude()>aTime) { + aTime = curSDigit->GetAmplitude(); + time = curSDigit->GetTime(); + } + + *digit = *digit + *curSDigit ; //adds amplitudes of each digit + + index[i]++ ; + + if( sDigitEntries > index[i] ) + curSDigit = dynamic_cast(sdtclarr->At(index[i])) ; + else + curSDigit = 0 ; + }// while + }// source exists + }// loop over merging sources + + + //Here we convert the summed amplitude to an energy in GeV only for simulation or mixing of simulations + energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ; // GeV + + // add fluctuations for photo-electron creation + // corrected fluctuations after comparison with beam test, Paraskevi Ganoti (06/11/2011) + Float_t fluct = static_cast((energy*fMeanPhotonElectron)/fGainFluctuations); + energy *= static_cast(gRandom->Poisson(fluct)) / fluct ; + + //calculate and set time + digit->SetTime(time) ; + + //Find next signal module + nextSig = nEMC + 1 ; + for(i = 0 ; i < nInputs ; i++){ + sdigits = dynamic_cast(sdigArray->At(i)) ; + + if(sdigits){ + Int_t curNext = nextSig ; + if(sdigits->GetEntriesFast() > index[i]) + { + AliEMCALDigit * tmpdigit = dynamic_cast(sdigits->At(index[i])); + if(tmpdigit) + { + curNext = tmpdigit->GetId() ; + } + } + if(curNext < nextSig) nextSig = curNext ; + }// sdigits exist + } // input loop + + }//absID==nextSig + + // add the noise now, no need for embedded events with real data + if(!embed) + energy += gRandom->Gaus(0., fPinNoise) ; + + + // JLK 26-June-2008 + //Now digitize the energy according to the fSDigitizer method, + //which merely converts the energy to an integer. Later we will + //check that the stored value matches our allowed dynamic ranges + digit->SetAmplitude(fSDigitizer->Digitize(energy)) ; + + //Set time resolution with final energy + timeResolution = GetTimeResolution(energy); + digit->SetTime(gRandom->Gaus(digit->GetTime(),timeResolution) ) ; + AliDebug(10,Form(" absID %5i energy %f nextSig %5i\n", + absID, energy, nextSig)); + //Add delay to time + digit->SetTime(digit->GetTime()+fTimeDelay) ; + + }// Digit pointer exists + else{ + Info("Digitizer","Digit pointer is null"); } - } - } - - ticks->Delete() ; - delete ticks ; + } // for(absID = 0; absID < nEMC; absID++) + + //ticks->Delete() ; + //delete ticks ; - delete sdigArray ; //We should not delete its contents + //Embed simulated amplitude (and time?) to real data digits + if(embed){ + for(Int_t input = 1; input (sdigArray->At(input)); + if(!realDigits){ + AliDebug(1,"No sdigits to merge\n"); + continue; + } + for(Int_t i2 = 0 ; i2 < realDigits->GetEntriesFast() ; i2++){ + AliEMCALDigit * digit2 = dynamic_cast( realDigits->At(i2) ) ; + if(digit2){ + digit = dynamic_cast( digits->At(digit2->GetId()) ) ; + if(digit){ + + // Put the embedded cell energy in same units as simulated sdigits -> transform to energy units + // and multiply to get a big int. + Float_t time2 = digit2->GetTime(); + Float_t e2 = digit2->GetAmplitude(); + CalibrateADCTime(e2,time2,digit2->GetId()); + Float_t amp2 = fSDigitizer->Digitize(e2); + + Float_t e0 = digit ->GetAmplitude(); + if(e0>0.01) + AliDebug(1,Form("digit 1: Abs ID %d, amp %f, type %d, time %e; digit2: Abs ID %d, amp %f, type %d, time %e\n", + digit ->GetId(),digit ->GetAmplitude(), digit ->GetType(), digit->GetTime(), + digit2->GetId(),amp2, digit2->GetType(), time2 )); + + // Sum amplitudes, change digit amplitude + digit->SetAmplitude( digit->GetAmplitude() + amp2); + // Rough assumption, assign time of the largest of the 2 digits, + // data or signal to the final digit. + if(amp2 > digit->GetAmplitude()) digit->SetTime(time2); + //Mark the new digit as embedded + digit->SetType(AliEMCALDigit::kEmbedded); + + if(digit2->GetAmplitude()>0.01 && e0> 0.01 ) + AliDebug(1,Form("Embedded digit: Abs ID %d, amp %f, type %d\n", + digit->GetId(), digit->GetAmplitude(), digit->GetType())); + }//digit2 + }//digit2 + }//loop digit 2 + }//input loop + }//embed + + //JLK is it better to call Clear() here? + delete sdigArray ; //We should not delete its contents + + //remove digits below thresholds + // until 10-02-2010 remove digits with energy smaller than fDigitThreshold 3*fPinNoise + // now, remove digits with Digitized ADC smaller than fDigitThreshold = 3, + // before merge in the same loop real data digits if available + Float_t energy = 0; + Float_t time = 0; + for(i = 0 ; i < nEMC ; i++){ + digit = dynamic_cast( digits->At(i) ) ; + if(digit){ + + //Then get the energy in GeV units. + energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ; + //Then digitize using the calibration constants of the ocdb + Float_t ampADC = energy; + DigitizeEnergyTime(ampADC, time, digit->GetId()) ; + if(ampADC < fDigitThreshold) + digits->RemoveAt(i) ; + + }// digit exists + } // digit loop + + digits->Compress() ; + + Int_t ndigits = digits->GetEntriesFast() ; - //remove digits below thresholds - for(absID = 0; absID < nEMC/2 ; absID++){ - digit = dynamic_cast( digits->At(i) ) ; - if(sDigitizer->Calibrate( digit->GetAmp() ) < fTowerDigitThreshold) - digits->RemoveAt(absID) ; - else - digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ; + //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. + for (i = 0 ; i < ndigits ; i++) { + digit = dynamic_cast( digits->At(i) ) ; + if(digit){ + digit->SetIndexInList(i) ; + energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ; + time = digit->GetTime(); + Float_t ampADC = energy; + DigitizeEnergyTime(ampADC, time, digit->GetId()); + digit->SetAmplitude(ampADC) ; + digit->SetTime(time); + // printf("digit amplitude set at end: i %d, amp %f\n",i,digit->GetAmplitude()); + }// digit exists + }//Digit loop + } + else AliFatal("EMCALLoader is NULL!") ; - - for(absID = nEMC/2; absID < nEMC ; absID++){ - digit = dynamic_cast( digits->At(i) ) ; - if(sDigitizer->Calibrate( digit->GetAmp() ) < fPreShowerDigitThreshold) - digits->RemoveAt(absID) ; - else - digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ; - } +} + +//_____________________________________________________________________ +void AliEMCALDigitizer::DigitizeEnergyTime(Float_t & energy, Float_t & time, const Int_t absId) +{ + // 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(); - digits->Compress() ; + if (geom==0){ + AliFatal("Did not get geometry from EMCALLoader"); + return; + } - Int_t ndigits = digits->GetEntriesFast() ; - digits->Expand(ndigits) ; + Int_t iSupMod = -1; + Int_t nModule = -1; + Int_t nIphi = -1; + Int_t nIeta = -1; + Int_t iphi = -1; + Int_t ieta = -1; + Bool_t bCell = geom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ; + if(!bCell) + Error("DigitizeEnergyTime","Wrong cell id number : absId %i ", absId) ; + geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); - //Set indexes in list of digits - 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()) ) ; + if(fCalibData) { + fADCpedestalEC = fCalibData->GetADCpedestal (iSupMod,ieta,iphi); + fADCchannelEC = fCalibData->GetADCchannel (iSupMod,ieta,iphi); + fADCchannelECDecal = fCalibData->GetADCchannelDecal (iSupMod,ieta,iphi); + fTimeChannel = fCalibData->GetTimeChannel (iSupMod,ieta,iphi,0); // Assign bunch crossing number equal to 0 (has simulation different bunch crossings?) + fTimeChannelDecal = fCalibData->GetTimeChannelDecal(iSupMod,ieta,iphi); } + + //Apply calibration to get ADC counts and partial decalibration as especified in OCDB + energy = (energy + fADCpedestalEC)/fADCchannelEC/fADCchannelECDecal ; + time += fTimeChannel-fTimeChannelDecal; + + if(energy > fNADCEC ) + energy = fNADCEC ; } -//____________________________________________________________________________ +//_____________________________________________________________________ +void AliEMCALDigitizer::Decalibrate(AliEMCALDigit *digit) +{ + // Load Geometry + const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); + + if (!geom) { + AliFatal("Did not get geometry from EMCALLoader"); + return; + } + + Int_t absId = digit->GetId(); + Int_t iSupMod = -1; + Int_t nModule = -1; + Int_t nIphi = -1; + Int_t nIeta = -1; + Int_t iphi = -1; + Int_t ieta = -1; + + Bool_t bCell = geom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ; + + if (!bCell) Error("Decalibrate","Wrong cell id number : absId %i ", absId) ; + geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); + + if (fCalibData) { + fADCchannelEC = fCalibData->GetADCchannel(iSupMod,ieta,iphi); + float factor = 1./(fADCchannelEC/0.0162); + + *digit = *digit * factor; + } +} -Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t absId) +//_____________________________________________________________________ +void AliEMCALDigitizer::CalibrateADCTime(Float_t & adc, Float_t & time, const Int_t absId) { - 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 ; + // Returns the energy in a cell absId with a given adc value + // using the calibration constants stored in the OCDB. Time also corrected from parameter in OCDB + // Used in case of embedding, transform ADC counts from real event into energy + // so that we can add the energy of the simulated sdigits which are in energy + // units. + // Same as in AliEMCALClusterizer::Calibrate() but here we do not reject channels being marked as hot + // or with time out of window + + // Load Geometry + const AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance(); + + if (!geom){ + AliFatal("Did not get geometry from EMCALLoader"); + return; } - return channel ; + Int_t iSupMod = -1; + Int_t nModule = -1; + Int_t nIphi = -1; + Int_t nIeta = -1; + Int_t iphi = -1; + Int_t ieta = -1; + Bool_t bCell = geom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ; + if(!bCell) + Error("CalibrateADCTime","Wrong cell id number : absId %i ", absId) ; + geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); + + if(fCalibData) { + fADCpedestalEC = fCalibData->GetADCpedestal(iSupMod,ieta,iphi); + fADCchannelEC = fCalibData->GetADCchannel (iSupMod,ieta,iphi); + fTimeChannel = fCalibData->GetTimeChannel(iSupMod,ieta,iphi,0);// Assign bunch crossing number equal to 0 (has simulation different bunch crossings?) + } + + adc = adc * fADCchannelEC - fADCpedestalEC; + time -= fTimeChannel; + + } + //____________________________________________________________________________ -void AliEMCALDigitizer::Exec(Option_t *option) +void AliEMCALDigitizer::Digitize(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( "Digitize", "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 ; - - 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 ) { - 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 ; - } - } - } - else { //EMCAL standalone - if(gime->BranchExists("Digits") ) - return ; - nevents=gime->MaxEvent() ; + AliRunLoader *rl = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); + Int_t nEvents = 0; + if(!emcalLoader){ + AliFatal("Did not get the Loader"); } - - Int_t ievent ; - - for(ievent = 0; ievent < nevents; ievent++){ + else{ - 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) ; - } - + if (fLastEvent == -1) { + fLastEvent = rl->GetNumberOfEvents() - 1 ; } - else - gime->Event(ievent,"S") ; + else if (fDigInput) + fLastEvent = fFirstEvent ; // what is this ?? - 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() ; - } + nEvents = fLastEvent - fFirstEvent + 1; + Int_t ievent = -1; + + TClonesArray* digitsTMP = new TClonesArray("AliEMCALDigit", 32*96); + TClonesArray* digitsTRG = new TClonesArray("AliEMCALRawDigit", 32*96); + + rl->LoadSDigits("EMCAL"); + for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { + + rl->GetEvent(ievent); + + Digitize(ievent) ; //Add prepared SDigits to digits and add the noise + + WriteDigits() ; + + //Trigger Digits + //------------------------------------- + + + Digits2FastOR(digitsTMP, digitsTRG); + + WriteDigits(digitsTRG); + + (emcalLoader->TreeD())->Fill(); + + emcalLoader->WriteDigits( "OVERWRITE"); + + Unload(); + + digitsTRG ->Delete(); + digitsTMP ->Delete(); + + //------------------------------------- + + if(strstr(option,"deb")) + PrintDigits(option); + if(strstr(option,"table")) gObjectTable->Print(); + + //increment the total number of Digits per run + fDigitsInRun += emcalLoader->Digits()->GetEntriesFast() ; + }//loop + + }//loader exists 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 ; - } - + Float_t cputime = gBenchmark->GetCpuTime("EMCALDigitizer"); + Float_t avcputime = cputime; + if(nEvents==0) avcputime = 0 ; + AliInfo(Form("Digitize: took %f seconds for Digitizing %f seconds per event", cputime, avcputime)) ; + } } -//____________________________________________________________________________ -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) ; +//__________________________________________________________________ +Float_t AliEMCALDigitizer::GetTimeResolution(Float_t energy) const +{ + // From F. Blanco + Float_t res = -1; + if (energy > 0) { + res = TMath::Sqrt(fTimeResolutionPar0 + + fTimeResolutionPar1/(energy*energy) ); } - return time ; + // parametrization above is for ns. Convert to seconds: + return res*1e-9; } //____________________________________________________________________________ -Bool_t AliEMCALDigitizer::Init() +void AliEMCALDigitizer::Digits2FastOR(TClonesArray* digitsTMP, TClonesArray* digitsTRG) { - // Makes all memory allocations - - if( strcmp(GetTitle(), "") == 0 ) - SetTitle("galice.root") ; + // FEE digits afterburner to produce TRG digits + // we are only interested in the FEE digit deposited energy + // to be converted later into a voltage value - AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), fToSplit) ; - if ( gime == 0 ) { - cerr << "ERROR: AliEMCALDigitizer::Init -> Could not obtain the Getter object !" << endl ; - return kFALSE; - } + // push the FEE digit to its associated FastOR (numbered from 0:95) + // TRU is in charge of summing module digits - //const AliEMCALGeometry * geom = gime->EMCALGeometry() ; - - //fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ; + AliRunLoader *runLoader = AliRunLoader::Instance(); - // Post Digits to the white board - gime->PostDigits(GetName() ) ; + AliEMCALLoader *emcalLoader = dynamic_cast(runLoader->GetDetectorLoader("EMCAL")); + if (!emcalLoader) AliFatal("Did not get the Loader"); - // 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") ; - } - - //Mark that we will use current header file - if(!fManager){ - gime->PostSDigits(GetName(),GetTitle()) ; - gime->PostSDigitizer(GetName(),GetTitle()) ; - } - return kTRUE ; + const AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance(); + + // build FOR from simulated digits + // and xfer to the corresponding TRU input (mapping) + + TClonesArray* sdigits = emcalLoader->SDigits(); + + TClonesArray *digits = (TClonesArray*)sdigits->Clone(); + + AliDebug(999,Form("=== %d SDigits to trigger digits ===",digits->GetEntriesFast())); + + TIter NextDigit(digits); + while (AliEMCALDigit* digit = (AliEMCALDigit*)NextDigit()) + { + if (IsDead(digit)) continue; + + Decalibrate(digit); + + Int_t id = digit->GetId(); + + Int_t trgid; + if (geom && geom->GetFastORIndexFromCellIndex(id , trgid)) + { + AliDebug(1,Form("trigger digit id: %d from cell id: %d\n",trgid,id)); + + AliEMCALDigit* d = static_cast(digitsTMP->At(trgid)); + + if (!d) + { + new((*digitsTMP)[trgid]) AliEMCALDigit(*digit); + d = (AliEMCALDigit*)digitsTMP->At(trgid); + d->SetId(trgid); + } + else + { + *d = *d + *digit; + } + } + } + + if (AliDebugLevel()) printf("Number of TRG digits: %d\n",digitsTMP->GetEntriesFast()); + + Int_t nSamples = 32; + Int_t *timeSamples = new Int_t[nSamples]; + + NextDigit = TIter(digitsTMP); + while (AliEMCALDigit* digit = (AliEMCALDigit*)NextDigit()) + { + if (digit) + { + Int_t id = digit->GetId(); + Float_t time = 50.e-9; + + Double_t depositedEnergy = 0.; + for (Int_t j = 1; j <= digit->GetNprimary(); j++) depositedEnergy += digit->GetDEPrimary(j); + + if (AliDebugLevel()) printf("Deposited Energy: %f\n", depositedEnergy); + + // FIXME: Check digit time! + if (depositedEnergy) + { + depositedEnergy += gRandom->Gaus(0., .08); + + DigitalFastOR(time, depositedEnergy, timeSamples, nSamples); + + for (Int_t j=0;jGetEntriesFast()]) AliEMCALRawDigit(id, timeSamples, nSamples); + + if (AliDebugLevel()) ((AliEMCALRawDigit*)digitsTRG->At(digitsTRG->GetEntriesFast() - 1))->Print(""); + } + } + } + + delete [] timeSamples; + + if (digits && digits->GetEntriesFast()) digits->Delete(); } //____________________________________________________________________________ -void AliEMCALDigitizer::InitParameters() +void AliEMCALDigitizer::DigitalFastOR( Double_t time, Double_t dE, Int_t timeSamples[], Int_t nSamples ) { - fPinNoise = 0.00001 ; - fTowerDigitThreshold = 0.001 ; - fTimeResolution = 0.5e-9 ; - fTimeSignalLength = 1.0e-9 ; - fPreShowerDigitThreshold = fTowerDigitThreshold/25. ; - 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 - + // parameters: + // id: 0..95 + const Int_t reso = 11; // 11-bit resolution ADC + const Double_t vFSR = 1; // Full scale input voltage range +// const Double_t dNe = 125; // signal of the APD per MeV of energy deposit in a tower: 125 photo-e-/MeV @ M=30 + const Double_t dNe = 125/1.3; // F-ALTRO max V. FEE: factor 4 + const Double_t vA = .136e-6; // CSP output range: 0.136uV/e- + const Double_t rise = 50e-9; // rise time (10-90%) of the FastOR signal before shaping + + const Double_t kTimeBinWidth = 25E-9; // sampling frequency (40MHz) + + Double_t vV = 1000. * dE * dNe * vA; // GeV 2 MeV + + TF1 signalF("signal", AnalogFastORFunction, 0, nSamples * kTimeBinWidth, 3); + signalF.SetParameter( 0, vV ); + signalF.SetParameter( 1, time ); // FIXME: when does the signal arrive? Might account for cable lengths + signalF.SetParameter( 2, rise ); + + for (Int_t iTime=0; iTime(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); - if(fManager){ - cout << "Can not use this method under AliRunDigitizer " << endl ; - return ; + if ( emcalLoader == 0 ) { + Fatal("Init", "Could not obtain the AliEMCALLoader"); + return kFALSE; } - // 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() ; + fFirstEvent = 0 ; + fLastEvent = fFirstEvent ; + + if(fDigInput) + fInput = fDigInput->GetNinputs() ; + else + fInput = 1 ; - // before it was ???? "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; + 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(fDigInput->GetInputStream(index))->GetFileName(0); + TString tempo = fDigInput->GetInputFolderName(index) ; + fEventNames[index] = tempo.Remove(tempo.Length()-1) ; // strip of the stream number added bt fDigInput } + + //Calibration instance + fCalibData = emcalLoader->CalibData(); + return fInit ; +} - gime->PostSDigits(GetName(),headerFile) ; +//____________________________________________________________________________ +void AliEMCALDigitizer::InitParameters() +{ + // Parameter initialization for digitizer - // 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 ; - } + // Get the parameters from the OCDB via the loader + AliRunLoader *rl = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); + AliEMCALSimParam * simParam = 0x0; + if(emcalLoader) simParam = emcalLoader->SimulationParameters(); + + if(!simParam){ + simParam = AliEMCALSimParam::GetInstance(); + AliWarning("Simulation Parameters not available in OCDB?"); } + fMeanPhotonElectron = simParam->GetMeanPhotonElectron() ; // 4400; // electrons per GeV + fGainFluctuations = simParam->GetGainFluctuations() ; // 15.0; + + fPinNoise = simParam->GetPinNoise();//0.012; // pin noise in GeV from analysis test beam data + if (fPinNoise < 0.0001 ) + Warning("InitParameters", "No noise added\n") ; + fTimeNoise = simParam->GetTimeNoise(); // 1.28E-5 s + fDigitThreshold = simParam->GetDigitThreshold(); //fPinNoise * 3; // 3 * sigma + fTimeResolutionPar0 = simParam->GetTimeResolutionPar0(); + fTimeResolutionPar1 = simParam->GetTimeResolutionPar1(); + fTimeDelay = simParam->GetTimeDelay(); //600e-9 ; // 600 ns + + // 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 + fADCchannelECDecal = 1.0; // No decalibration by default + fTimeChannel = 0.0; // No time calibration by default + fTimeChannelDecal = 0.0; // No time decalibration by default + + fNADCEC = simParam->GetNADCEC();//(Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536 + + AliDebug(2,Form("Mean Photon Electron %d, Gain Fluct. %2.1f; Noise: APD %f, Time %f; Digit Threshold %d,Time Resolution Par0 %g Par1 %g,NADCEC %d", + fMeanPhotonElectron, fGainFluctuations, fPinNoise,fTimeNoise, fDigitThreshold,fTimeResolutionPar0,fTimeResolutionPar1,fNADCEC)); + } //__________________________________________________________________ -void AliEMCALDigitizer::Print(Option_t* option)const { - - if( strcmp(GetName(), "") != 0) { +void AliEMCALDigitizer::Print1(Option_t * option) +{ // 19-nov-04 - just for convenience + Print(); + PrintDigits(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()) ; + + Int_t nStreams ; + if (fDigInput) + nStreams = GetNInputStreams() ; + else + nStreams = fInput ; + + AliRunLoader *rl=0; - cout << "------------------- "<< GetName() << " -------------" << endl ; - const Int_t nStreams = GetNInputStreams() ; - if (nStreams) { - Int_t index = 0 ; - for (index = 0 ; index < nStreams ; index++) - cout << "Adding SDigits " << GetName() << " from " << fManager->GetInputFileName(index, 0) << endl ; - - cout << endl ; - cout << "Writing digits to " << fManager->GetInputFileName(0, 0) << endl ; - } else { -// AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ; -// gime->Folder("sdigits") ; -// cout << "Digitizing sDigits from file(s): " <Folder("sdigits")->GetListOfFolders() ; -// TIter next(folderslist) ; -// TFolder * folder = 0 ; - -// while ( (folder = (TFolder*)next()) ) { -// if ( folder->FindObject(GetName()) ) -// cout << "Adding SDigits " << GetName() << " from " << GetSDigitsFileName() << 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 ; + Int_t index = 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")); + if(emcalLoader){ + 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()) ; + }//loader + } + + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + + if(emcalLoader) printf("\nWriting digits to %s", emcalLoader->GetDigitsFileName().Data()) ; + else printf("\nNULL LOADER"); + + printf("\nWith following parameters:\n") ; + printf(" Electronics noise in EMC, APD (fPinNoise) = %f, Time = %f \n", fPinNoise, fTimeNoise) ; + printf(" Threshold in Tower (fDigitThreshold) = %d\n", fDigitThreshold) ; + printf("---------------------------------------------------\n") ; } else - cout << "AliEMCALDigitizer not initialized " << endl ; + printf("Print: AliEMCALDigitizer not initialized") ; } //__________________________________________________________________ -void AliEMCALDigitizer::PrintDigits(Option_t * option){ +void AliEMCALDigitizer::PrintDigits(Option_t * option) +{ + //utility method for printing digit information + + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + if(emcalLoader){ + TClonesArray * digits = emcalLoader->Digits() ; + TClonesArray * sdigits = emcalLoader->SDigits() ; - 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")){ + printf("\n #Digits: %d : sdigits %d ", digits->GetEntriesFast(), sdigits->GetEntriesFast()) ; + printf("\n event %d", emcalLoader->GetRunLoader()->GetEventNumber()); - //loop over digits - AliEMCALDigit * digit; - cout << "Digit Id " << " Amplitude " << " Index " << " Nprim " << " Primaries list " << endl; - 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() <<" "; - - Int_t iprimary; - for (iprimary=0; iprimaryGetNprimary(); iprimary++) - cout << setw(5) << digit->GetPrimary(iprimary+1) << " "; - cout << endl; + if(strstr(option,"all")){ + //loop over digits + AliEMCALDigit * digit; + printf("\nEMC digits (with primaries):\n") ; + printf("\n Id Amplitude Time Index Nprim: Primaries list \n") ; + Int_t index ; + for (index = 0 ; index < digits->GetEntries() ; index++) { + digit = dynamic_cast(digits->At(index)) ; + if(digit){ + printf("\n%6d %8f %6.5e %4d %2d : ", + digit->GetId(), digit->GetAmplitude(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ; + Int_t iprimary; + for (iprimary=0; iprimaryGetNprimary(); iprimary++) { + printf("%d ",digit->GetPrimary(iprimary+1) ) ; + } + }// digit exists + }// loop } - - } + printf("\n"); + }// loader exists + else printf("NULL LOADER, cannot print\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 + //printf("Time noise %e\n",fTimeNoise); + return gRandom->Rndm() * fTimeNoise; +} +//__________________________________________________________________ +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")); + if(emcalLoader)emcalLoader->UnloadDigits() ; + else AliFatal("Did not get the loader"); } //_________________________________________________________________________________________ -void AliEMCALDigitizer::WriteDigits(Int_t event) -{ - - // Makes TreeD in the output file. +void AliEMCALDigitizer::WriteDigits() +{ // Makes TreeD in the output file. // Check if branch already exists: // if yes, exit without writing: ROOT TTree does not support overwriting/updating of // already existing branches. // else creates branch with Digits, named "EMCAL", title "...", // and branch "AliEMCALDigitizer", with the same title to keep all the parameters // and names of files, from which digits are made. + + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + + if(emcalLoader){ + 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() ; + */ + + }// loader exists + else AliFatal("Loader not available"); +} - 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() ; - +//__________________________________________________________________ +void AliEMCALDigitizer::WriteDigits(TClonesArray* digits, const char* branchName) +{ // overloaded method + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); + if(emcalLoader){ + + TTree* treeD = emcalLoader->TreeD(); + if (!treeD) + { + emcalLoader->MakeDigitsContainer(); + treeD = emcalLoader->TreeD(); + } + + // -- create Digits branch + Int_t bufferSize = 32000; + + if (TBranch* triggerBranch = treeD->GetBranch(branchName)) + { + triggerBranch->SetAddress(&digits); + } + else + { + treeD->Branch(branchName,"TClonesArray",&digits,bufferSize); + } + + // treeD->Fill(); + }// loader exists + else AliFatal("Loader not available"); +} + +//__________________________________________________________________ +Bool_t AliEMCALDigitizer::IsDead(AliEMCALDigit *digit) +{ + AliRunLoader *runLoader = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(runLoader->GetDetectorLoader("EMCAL")); + if (!emcalLoader) AliFatal("Did not get the Loader"); + + AliCaloCalibPedestal *caloPed = emcalLoader->PedestalData(); + if (!caloPed) { + AliWarning("Could not access pedestal data! No dead channel removal applied"); + return kFALSE; + } + + // Load Geometry + const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); + if (!geom) AliFatal("Did not get geometry from EMCALLoader"); + + Int_t absId = digit->GetId(); + Int_t iSupMod = -1; + Int_t nModule = -1; + Int_t nIphi = -1; + Int_t nIeta = -1; + Int_t iphi = -1; + Int_t ieta = -1; + + Bool_t bCell = geom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ; + + if (!bCell) Error("IsDead","Wrong cell id number : absId %i ", absId) ; + geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); + + Int_t channelStatus = (Int_t)(caloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi); + + if (channelStatus == AliCaloCalibPedestal::kDead) + return kTRUE; + else + return kFALSE; +} + + +//__________________________________________________________________ +Bool_t AliEMCALDigitizer::IsDead(Int_t absId) +{ + AliRunLoader *runLoader = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(runLoader->GetDetectorLoader("EMCAL")); + if (!emcalLoader) AliFatal("Did not get the Loader"); + + AliCaloCalibPedestal *caloPed = emcalLoader->PedestalData(); + if (!caloPed) { + AliWarning("Could not access pedestal data! No dead channel removal applied"); + return kFALSE; + } + + // Load Geometry + const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); + if (!geom) 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; + + Bool_t bCell = geom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ; + + if (!bCell) Error("IsDead","Wrong cell id number : absId %i ", absId) ; + geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); + + Int_t channelStatus = (Int_t)(caloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi); + + if (channelStatus == AliCaloCalibPedestal::kDead) + return kTRUE; + else + return kFALSE; }