/************************************************************************** * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * * * Author: The ALICE Off-line Project. * * Contributors are mentioned in the code where appropriate. * * * * Permission to use, copy, modify and distribute this software and its * * documentation strictly for non-commercial purposes is hereby granted * * without fee, provided that the above copyright notice appears in all * * copies and that both the copyright notice and this permission notice * * appear in the supporting documentation. The authors make no claims * * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Id$ */ //_________________________________________________________________________ // ////////////////////////////////////////////////////////////////////////////// // Class performs digitization of Summable digits from simulated data // // In addition it performs mixing of summable digits from different events. // // For each event two branches are created in TreeD: // "EMCAL" - list of 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) // November 2003 Aleksei Pavlinov : adopted for Shish-Kebab geometry //_________________________________________________________________________________ // --- ROOT system --- #include #include #include #include #include #include #include #include #include // --- AliRoot header files --- #include "AliLog.h" #include "AliRun.h" #include "AliRunDigitizer.h" #include "AliRunLoader.h" #include "AliCDBManager.h" #include "AliCDBEntry.h" #include "AliEMCALDigit.h" #include "AliEMCAL.h" #include "AliEMCALLoader.h" #include "AliEMCALDigitizer.h" #include "AliEMCALSDigitizer.h" #include "AliEMCALGeometry.h" //#include "AliEMCALTick.h" #include "AliEMCALCalibData.h" #include "AliEMCALSimParam.h" #include "AliEMCALRawDigit.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() : AliDigitizer("",""), fDefaultInit(kTRUE), fDigitsInRun(0), fInit(0), fInput(0), fInputFileNames(0x0), fEventNames(0x0), fDigitThreshold(0), fMeanPhotonElectron(0), // fPedestal(0), //Not used, remove? // fSlope(0), //Not used, remove? fPinNoise(0), fTimeDelay(0), fTimeResolution(0), // fTimeThreshold(0), //Not used, remove? // fTimeSignalLength(0), //Not used, remove? fADCchannelEC(0), fADCpedestalEC(0), fNADCEC(0), fEventFolderName(""), fFirstEvent(0), fLastEvent(0), fCalibData(0x0) { // ctor InitParameters() ; fManager = 0 ; // We work in the standalone mode } //____________________________________________________________________________ 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),//Not used, remove? // fSlope(0), //Not used, remove? fPinNoise(0), fTimeDelay(0), fTimeResolution(0), // fTimeThreshold(0), //Not used, remove? // fTimeSignalLength(0), //Not used, remove? fADCchannelEC(0), fADCpedestalEC(0), fNADCEC(0), fEventFolderName(eventFolderName), fFirstEvent(0), fLastEvent(0), fCalibData(0x0) { // ctor InitParameters() ; Init() ; fManager = 0 ; // We work in the standalone mode } //____________________________________________________________________________ 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), //Not used, remove? // fSlope(d.fSlope), //Not used, remove? fPinNoise(d.fPinNoise), fTimeDelay(d.fTimeDelay), fTimeResolution(d.fTimeResolution), // fTimeThreshold(d.fTimeThreshold), //Not used, remove? // fTimeSignalLength(d.fTimeSignalLength), //Not used, remove? fADCchannelEC(d.fADCchannelEC), fADCpedestalEC(d.fADCpedestalEC), fNADCEC(d.fNADCEC), fEventFolderName(d.fEventFolderName), fFirstEvent(d.fFirstEvent), fLastEvent(d.fLastEvent), fCalibData(d.fCalibData) { // 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), //Not used, remove? // fSlope(0.), //Not used, remove? fPinNoise(0.), fTimeDelay(0.), fTimeResolution(0.), // fTimeThreshold(0), //Not used, remove? // fTimeSignalLength(0), //Not used, remove? 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() ; } //____________________________________________________________________________ AliEMCALDigitizer::~AliEMCALDigitizer() { //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 ; } //____________________________________________________________________________ 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 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")); if(emcalLoader){ 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()) { AliFatal("Could not get AliRun from runLoader"); } 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) ; // 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() ) ; } else { //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); if(rl2->GetDetectorLoader("EMCAL")) { AliEMCALLoader *emcalLoader2 = dynamic_cast(rl2->GetDetectorLoader("EMCAL")); if(emcalLoader2) sdigArray->AddAt(emcalLoader2->SDigits(), i) ; else AliFatal("EMCAL Loader of second event not available!"); } else Fatal("Digitize", "Loader of second input not found"); } //Find the first tower with signal Int_t nextSig = nEMC + 1 ; TClonesArray * sdigits ; for(i = 0 ; i < fInput ; i++){ 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 ; // TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ; //Put Noise contribution 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]) AliEMCALDigit( -1, -1, absID, 0., TimeOfNoise(),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){ //Add SDigits from all inputs // 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->GetAmplitude() ; //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->GetAmplitude() ; // loop over input for(i = 0; i< fInput ; 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(fManager) primaryoffset = fManager->GetMask(i) ; else primaryoffset = i ; curSDigit->ShiftPrimary(primaryoffset) ; //Remove old timing model - JLK 28-April-2008 //a = curSDigit->GetAmplitude() ; //b = a /fTimeSignalLength ; //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b); //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b); 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 energy = sDigitizer->Calibrate(digit->GetAmplitude()) ; // GeV // add fluctuations for photo-electron creation energy *= static_cast(gRandom->Poisson(fMeanPhotonElectron)) / static_cast(fMeanPhotonElectron) ; //calculate and set time //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 ; i < fInput ; i++){ sdigits = dynamic_cast(sdigArray->At(i)) ; if(sdigits){ Int_t curNext = nextSig ; AliEMCALDigit * tmpdigit = dynamic_cast(sdigits->At(index[i])); if(sdigits->GetEntriesFast() > index[i] && tmpdigit){ curNext = tmpdigit->GetId() ; } if(curNext < nextSig) nextSig = curNext ; }// sdigits exist } // input loop }//absID==nextSig // add the noise now 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->SetAmplitude(sDigitizer->Digitize(energy)) ; AliDebug(10,Form(" absID %5i energy %f nextSig %5i\n", absID, energy, nextSig)); }// Digit pointer exists else{ Info("Digitizer","Digit pointer is null"); } } // for(absID = 0; absID < nEMC; absID++) //ticks->Delete() ; //delete ticks ; //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 Float_t energy=0; for(i = 0 ; i < nEMC ; i++){ digit = dynamic_cast( digits->At(i) ) ; if(digit){ //First get the energy in GeV units. energy = sDigitizer->Calibrate(digit->GetAmplitude()) ; //Then digitize using the calibration constants of the ocdb Float_t ampADC = DigitizeEnergy(energy, digit->GetId()) ; //if(ampADC>2)printf("Digit energy %f, amp %d, amp cal %d, threshold %d\n",energy,digit->GetAmplitude(),ampADC,fDigitThreshold); if(ampADC < fDigitThreshold) digits->RemoveAt(i) ; else digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ; }// digit exists } // digit loop digits->Compress() ; Int_t ndigits = digits->GetEntriesFast() ; //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 = sDigitizer->Calibrate(digit->GetAmplitude()) ; digit->SetAmplitude(DigitizeEnergy(energy, digit->GetId()) ) ; //Add delay to time digit->SetTime(digit->GetTime()+fTimeDelay) ; // printf("digit amplitude set at end: i %d, amp %f\n",i,digit->GetAmplitude()); }// digit exists }//Digit loop }//SDigitizer not null } else AliFatal("EMCALLoader is NULL!") ; } // //_____________________________________________________________________ Float_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, 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(); Float_t channel = -999; if (geom==0){ AliFatal("Did not get geometry from EMCALLoader"); } else { 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("DigitizeEnergy","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); } //channel = static_cast (TMath::Floor( (energy + fADCpedestalEC)/fADCchannelEC )) ; channel = (energy + fADCpedestalEC)/fADCchannelEC ; if(channel > fNADCEC ) channel = fNADCEC ; }// geometry exists return channel ; } //____________________________________________________________________________ void AliEMCALDigitizer::Exec(Option_t *option) { // Steering method to process digitization for events // in the range from fFirstEvent to fLastEvent. // This range is optionally set by SetEventRange(). // if fLastEvent=-1, then process events until the end. // by default fLastEvent = fFirstEvent (process only one event) if (!fInit) { // to prevent overwrite existing file Error( "Exec", "Give a version name different from %s", fEventFolderName.Data() ) ; return ; } if (strstr(option,"print")) { Print(); return ; } if(strstr(option,"tim")) gBenchmark->Start("EMCALDigitizer"); AliRunLoader *rl = AliRunLoader::Instance(); AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); Int_t nEvents = 0; if(!emcalLoader){ AliFatal("Did not get the Loader"); } else{ // Post Digitizer to the white board emcalLoader->PostDigitizer(this) ; if (fLastEvent == -1) { fLastEvent = rl->GetNumberOfEvents() - 1 ; } else if (fManager) fLastEvent = fFirstEvent ; // what is this ?? 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"); emcalLoader->WriteDigitizer("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 emcalLoader->CleanDigitizer() ; }//loader exists if(strstr(option,"tim")){ gBenchmark->Stop("EMCALDigitizer"); AliInfo(Form("Exec: took %f seconds for Digitizing %f seconds per event", gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nEvents )) ; } } //____________________________________________________________________________ void AliEMCALDigitizer::Digits2FastOR(TClonesArray* digitsTMP, TClonesArray* digitsTRG) { // 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 // push the FEE digit to its associated FastOR (numbered from 0:95) // TRU is in charge of summing module digits AliRunLoader *runLoader = AliRunLoader::Instance(); AliRun* run = runLoader->GetAliRun(); AliEMCALLoader *emcalLoader = dynamic_cast(runLoader->GetDetectorLoader("EMCAL")); if(!emcalLoader){ AliFatal("Did not get the Loader"); } else { AliEMCAL* emcal = dynamic_cast(run->GetDetector("EMCAL")); if(emcal){ AliEMCALGeometry* geom = emcal->GetGeometry(); // build FOR from simulated digits // and xfer to the corresponding TRU input (mapping) TClonesArray* digits = emcalLoader->Digits(); TIter NextDigit(digits); while (AliEMCALDigit* digit = (AliEMCALDigit*)NextDigit()) { 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 = digit->GetTime(); 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) { DigitalFastOR(time, depositedEnergy, timeSamples, nSamples); for (Int_t j=0;jGetEntriesFast()]) AliEMCALRawDigit(id, timeSamples, nSamples); } } } delete [] timeSamples; }// AliEMCAL exists else AliFatal("Could not get AliEMCAL"); }// loader exists } //____________________________________________________________________________ void AliEMCALDigitizer::DigitalFastOR( Double_t time, Double_t dE, Int_t timeSamples[], Int_t nSamples ) { // 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 Ne = 125; // signal of the APD per MeV of energy deposit in a tower: 125 photo-e-/MeV @ M=30 const Double_t vA = .136e-6; // CSP output range: 0.136uV/e- const Double_t rise = 40e-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 * Ne * 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; iTimeSort() ; //Sort in accordance with times of ticks // TIter it(ticks) ; // AliEMCALTick * ctick = (AliEMCALTick *) it.Next() ; // Float_t time = ctick->CrossingTime(fTimeThreshold) ; // // AliEMCALTick * t ; // while((t=(AliEMCALTick*) it.Next())){ // if(t->GetTime() < time) //This tick starts before crossing // *ctick+=*t ; // else // return time ; // // time = ctick->CrossingTime(fTimeThreshold) ; // } // return time ; //} // //____________________________________________________________________________ Bool_t AliEMCALDigitizer::Init() { // Makes all memory allocations fInit = kTRUE ; AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); if ( emcalLoader == 0 ) { Fatal("Init", "Could not obtain the AliEMCALLoader"); return kFALSE; } fFirstEvent = 0 ; fLastEvent = fFirstEvent ; if(fManager) fInput = fManager->GetNinputs() ; else fInput = 1 ; fInputFileNames = new TString[fInput] ; fEventNames = new TString[fInput] ; fInputFileNames[0] = GetTitle() ; fEventNames[0] = fEventFolderName.Data() ; Int_t index ; for (index = 1 ; index < fInput ; index++) { fInputFileNames[index] = dynamic_cast(fManager->GetInputStream(index))->GetFileName(0); TString tempo = fManager->GetInputFolderName(index) ; fEventNames[index] = tempo.Remove(tempo.Length()-1) ; // strip of the stream number added bt fManager } //to prevent cleaning of this object while GetEvent is called emcalLoader->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE); //Calibration instance fCalibData = emcalLoader->CalibData(); return fInit ; } //____________________________________________________________________________ void AliEMCALDigitizer::InitParameters() { // Parameter initialization for digitizer // 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 fPinNoise = simParam->GetPinNoise();//0.012; // pin noise in GeV from analysis test beam data if (fPinNoise < 0.0001 ) Warning("InitParameters", "No noise added\n") ; fDigitThreshold = simParam->GetDigitThreshold(); //fPinNoise * 3; // 3 * sigma fTimeResolution = simParam->GetTimeResolution(); //0.6e-9 ; // 600 pc 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 fNADCEC = simParam->GetNADCEC();//(Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536 AliDebug(2,Form("Mean Photon Electron %d, Noise %f, Digit Threshold %d,Time Resolution %g,NADCEC %d", fMeanPhotonElectron,fPinNoise,fDigitThreshold,fTimeResolution,fNADCEC)); // Not used anymore, remove? // fTimeSignalLength = 1.0e-9 ; // fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ?? } //__________________________________________________________________ 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 // the constructor. // Sets the BACKGROUND event, with which the SIGNAL event is to be mixed // Thus we avoid writing (changing) huge and expensive // backgound files: all output will be writen into SIGNAL, i.e. // opened in constructor file. // // One can open as many files to mix with as one needs. // However only Sdigits with the same name (i.e. constructed with the same SDigitizer) // can be mixed. if( strcmp(GetName(), "") == 0 ) Init() ; if(fManager){ Error("MixWith", "Cannot use this method under AliRunDigitizer") ; return ; } // looking for file which contains AliRun if (gSystem->AccessPathName(alirunFileName)) {// file does not exist Error("MixWith", "File %s does not exist!", alirunFileName.Data()) ; return ; } // looking for the file which contains SDigits AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); if(!emcalLoader){ AliFatal("Did not get the Loader"); } else{ 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 ; fInputFileNames[fInput] = alirunFileName ; fEventNames[fInput] = eventFolderName ; fInput++ ; }// Loader exits } //__________________________________________________________________ void AliEMCALDigitizer::Print1(Option_t * option) { // 19-nov-04 - just for convinience 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 (fManager) nStreams = GetNInputStreams() ; else nStreams = fInput ; AliRunLoader *rl=0; 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 (fPinNoise) = %f\n", fPinNoise) ; printf(" Threshold in Tower (fDigitThreshold) = %d\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")); if(emcalLoader){ 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; 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 //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")); if(emcalLoader)emcalLoader->UnloadDigits() ; else AliFatal("Did not get the loader"); } //_________________________________________________________________________________________ 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"); } //__________________________________________________________________ void AliEMCALDigitizer::WriteDigits(TClonesArray* digits, const char* branchName) { // 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"); } //__________________________________________________________________ void AliEMCALDigitizer::Browse(TBrowser* b) { TTask::Browse(b); }