X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=EMCAL%2FAliEMCALDigitizer.cxx;h=27b5c7ad0bbb0160f71a006932d05c5c3b3ad986;hb=30b549105c18735fea3323b60464f8045a25f282;hp=767fdd5cad360a0f59578f3303cbf1fda2dd696f;hpb=9517d886fca30a9ee019b29ecd22380bfd69b82e;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALDigitizer.cxx b/EMCAL/AliEMCALDigitizer.cxx index 767fdd5cad3..27b5c7ad0bb 100644 --- a/EMCAL/AliEMCALDigitizer.cxx +++ b/EMCAL/AliEMCALDigitizer.cxx @@ -18,44 +18,26 @@ //_________________________________________________________________________ // ////////////////////////////////////////////////////////////////////////////// -// 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 --- @@ -63,17 +45,16 @@ #include #include #include -#include -#include #include #include #include +#include #include // --- AliRoot header files --- #include "AliLog.h" #include "AliRun.h" -#include "AliRunDigitizer.h" +#include "AliDigitizationInput.h" #include "AliRunLoader.h" #include "AliCDBManager.h" #include "AliCDBEntry.h" @@ -83,12 +64,51 @@ #include "AliEMCALDigitizer.h" #include "AliEMCALSDigitizer.h" #include "AliEMCALGeometry.h" -#include "AliEMCALTick.h" -#include "AliEMCALHistoUtilities.h" +#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() : AliDigitizer("",""), @@ -100,29 +120,32 @@ AliEMCALDigitizer::AliEMCALDigitizer() fEventNames(0x0), fDigitThreshold(0), fMeanPhotonElectron(0), - fPedestal(0), - fSlope(0), + fGainFluctuations(0), fPinNoise(0), - fTimeResolution(0), - fTimeThreshold(0), - fTimeSignalLength(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), - fControlHists(0), - fHists(0),fCalibData(0x0) + fCalibData(0x0), + fSDigitizer(0x0) { // ctor InitParameters() ; - fManager = 0 ; // We work in the standalong mode + fDigInput = 0 ; // We work in the standalone mode } //____________________________________________________________________________ AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName) - : AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), alirunFileName), + : AliDigitizer("EMCALDigitizer", alirunFileName), fDefaultInit(kFALSE), fDigitsInRun(0), fInit(0), @@ -131,25 +154,28 @@ AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolder fEventNames(0), fDigitThreshold(0), fMeanPhotonElectron(0), - fPedestal(0), - fSlope(0), + fGainFluctuations(0), fPinNoise(0), - fTimeResolution(0), - fTimeThreshold(0), - fTimeSignalLength(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), - fControlHists(0), - fHists(0),fCalibData(0x0) + fCalibData(0x0), + fSDigitizer(0x0) { // ctor InitParameters() ; Init() ; - fManager = 0 ; // We work in the standalong mode + fDigInput = 0 ; // We work in the standalone mode } //____________________________________________________________________________ @@ -163,54 +189,59 @@ AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d) fEventNames(d.fEventNames), fDigitThreshold(d.fDigitThreshold), fMeanPhotonElectron(d.fMeanPhotonElectron), - fPedestal(d.fPedestal), - fSlope(d.fSlope), + fGainFluctuations(d.fGainFluctuations), fPinNoise(d.fPinNoise), - fTimeResolution(d.fTimeResolution), - fTimeThreshold(d.fTimeThreshold), - fTimeSignalLength(d.fTimeSignalLength), + 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), - fControlHists(d.fControlHists), - fHists(d.fHists),fCalibData(d.fCalibData) + fCalibData(d.fCalibData), + fSDigitizer(d.fSDigitizer ? new AliEMCALSDigitizer(*d.fSDigitizer) : 0) { // copyy ctor - } +} //____________________________________________________________________________ -AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd) - : AliDigitizer(rd,"EMCAL"+AliConfig::Instance()->GetDigitizerTaskName()), +AliEMCALDigitizer::AliEMCALDigitizer(AliDigitizationInput * rd) + : AliDigitizer(rd,"EMCALDigitizer"), fDefaultInit(kFALSE), fDigitsInRun(0), fInit(0), fInput(0), fInputFileNames(0), fEventNames(0), - fDigitThreshold(0.), + fDigitThreshold(0), fMeanPhotonElectron(0), - fPedestal(0), - fSlope(0.), - fPinNoise(0), - fTimeResolution(0.), - fTimeThreshold(0), - fTimeSignalLength(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), - fControlHists(0), - fHists(0),fCalibData(0x0) + fCalibData(0x0), + fSDigitizer(0x0) { // ctor Init() is called by RunDigitizer - fManager = rd ; - fEventFolderName = fManager->GetInputFolderName(0) ; - SetTitle(dynamic_cast(fManager->GetInputStream(0))->GetFileName(0)); + fDigInput = rd ; + fEventFolderName = fDigInput->GetInputFolderName(0) ; + SetTitle(dynamic_cast(fDigInput->GetInputStream(0))->GetFileName(0)); InitParameters() ; } @@ -218,364 +249,779 @@ AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd) AliEMCALDigitizer::~AliEMCALDigitizer() { //dtor - if (AliRunLoader::GetRunLoader()) { - AliLoader *emcalLoader=0; - if ((emcalLoader = AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"))) - emcalLoader->CleanDigitizer(); - } - else - AliDebug(1," no runloader present"); delete [] fInputFileNames ; delete [] fEventNames ; - - if(fHists) delete fHists; + if (fSDigitizer) delete fSDigitizer; } //____________________________________________________________________________ -void AliEMCALDigitizer::Digitize(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. - static int nEMC=0; //max number of digits possible - - AliRunLoader *rl = AliRunLoader::GetRunLoader(); + // 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 + // + + AliRunLoader *rl = AliRunLoader::Instance(); AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); - Int_t readEvent = event ; - // fManager is data member from AliDigitizer - if (fManager) - readEvent = dynamic_cast(fManager->GetInputStream(0))->GetCurrentEventNumber() ; - AliDebug(1,Form("Adding event %d from input stream 0 %s %s", - readEvent, GetTitle(), fEventFolderName.Data())) ; + + if(!emcalLoader) + { + AliFatal("EMCALLoader is NULL!") ; + return; // not needed but in case coverity complains ... + } + + Int_t readEvent = event ; + if (fDigInput) // fDigInput is data member from AliDigitizer + 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() ; //JLK why is this created then deleted? - + + TClonesArray * digits = emcalLoader->Digits() ; + digits->Delete() ; //correct way to clear array when memory is + //allocated by objects stored in array + // Load Geometry - AliEMCALGeometry *geom = 0; - if (rl->GetAliRun()) { - AliEMCAL * emcal = (AliEMCAL*)rl->GetAliRun()->GetDetector("EMCAL"); - geom = emcal->GetGeometry(); - } - else + if (!rl->GetAliRun()) + { AliFatal("Could not get AliRun from runLoader"); - - nEMC = geom->GetNCells(); + return; // not needed but in case coverity complains ... + } + + AliEMCAL * emcal = (AliEMCAL*)rl->GetAliRun()->GetDetector("EMCAL"); + AliEMCALGeometry *geom = emcal->GetGeometry(); + static int nEMC = geom->GetNCells();//max number of digits possible AliDebug(1,Form("nEMC %i (number cells in EMCAL) | %s \n", nEMC, geom->GetName())); - Int_t absID ; - 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() ) ; - + // 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 ; - - for(i = 1 ; i < fInput ; i++){ - TString tempo(fEventNames[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 (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()) ; + + AliRunLoader * rl2 = AliRunLoader::GetRunLoader(tempo) ; + + if (!rl2) + rl2 = AliRunLoader::Open(fInputFileNames[i], tempo) ; + + if(!rl2) + { + AliFatal("Run Loader of second event not available!"); + return; // not needed but in case coverity complains ... + } + + 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")) + { + AliFatal("Loader of second input not found"); + return; // not needed but in case coverity complains ... + } + AliEMCALLoader *emcalLoader2 = dynamic_cast(rl2->GetDetectorLoader("EMCAL")); - sdigArray->AddAt(emcalLoader2->SDigits(), i) ; - } + + if(!emcalLoader2) + { + AliFatal("EMCAL Loader of second event not available!"); + return; // not needed but in case coverity complains ... + } + + //Merge 2 simulated sdigits + if(!emcalLoader2->SDigits()) continue; + + 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 ) continue; + + //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; + + }// input loop + //-------------------------------- //Find the first tower with signal - Int_t nextSig = nEMC + 1 ; - TClonesArray * sdigits ; - for(i = 0 ; i < fInput ; i++){ + 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->GetEntriesFast() ) - continue ; - Int_t curNext = dynamic_cast(sdigits->At(0))->GetId() ; - if(curNext < nextSig) - nextSig = curNext ; - AliDebug(1,Form("input %i : #sdigits %i \n", - i, sdigits->GetEntriesFast())); - } + if(!sdigits) + { + AliDebug(1,"Null sdigit pointer"); + continue; + } + + if (sdigits->GetEntriesFast() <= 0 ) + { + AliDebug(1, "No sdigits entries"); + continue; + } + + AliEMCALDigit *sd = dynamic_cast(sdigits->At(0)); + if(!sd) + { + AliDebug(1, "NULL sdigit pointer"); + continue; + } + + Int_t curNext = sd->GetId() ; + if(curNext < nextSig) + nextSig = curNext ; + AliDebug(1,Form("input %i : #sdigits %i \n",i, sdigits->GetEntriesFast())); + + }// 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 amp = 0 ; + + //--------------------------------------------- + //Put Noise contribution, smear time and energy + Float_t timeResolution = 0; + Int_t absID = -1 ; + 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 - new((*digits)[absID]) AliEMCALDigit( -1, -1, absID, 0, TimeOfNoise() ); // absID-1->absID + 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(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->GetAmp() ; - //Float_t b = TMath::Abs( a /fTimeSignalLength) ; - //Mark the beginning of the signal - //new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b); - //Mark the end of the signal - //new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b); - + if (!digit) + { + AliDebug(1,"Digit pointer is null"); + continue; + } + + if(absID==nextSig) + { // Calculate time as time of the largest digit Float_t time = digit->GetTime() ; - Float_t eTime= digit->GetAmp() ; + Float_t aTime= digit->GetAmplitude() ; // loop over input - for(i = 0; i< fInput ; i++){ //loop over (possible) merge sources - if(dynamic_cast(sdigArray->At(i))->GetEntriesFast() > index[i] ) - curSDigit = dynamic_cast(dynamic_cast(sdigArray->At(i))->At(index[i])) ; - else - curSDigit = 0 ; - //May be several digits will contribute from the same input - while(curSDigit && (curSDigit->GetId() == absID)){ - //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->GetAmp() ; - //b = a /fTimeSignalLength ; - //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b); - //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b); - if(curSDigit->GetAmp()>eTime) { - eTime = curSDigit->GetAmp(); - time = curSDigit->GetTime(); - } - - *digit = *digit + *curSDigit ; //add energies - - index[i]++ ; - if( dynamic_cast(sdigArray->At(i))->GetEntriesFast() > index[i] ) - curSDigit = dynamic_cast(dynamic_cast(sdigArray->At(i))->At(index[i])) ; - else - curSDigit = 0 ; - } - } + 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 = i ; + if(fDigInput) primaryoffset = fDigInput->GetMask(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 - amp = sDigitizer->Calibrate(digit->GetAmp()) ; // GeV - amp *= static_cast(gRandom->Poisson(fMeanPhotonElectron)) / static_cast(fMeanPhotonElectron) ; - + // 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 - //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)) ; - Int_t curNext = nextSig ; - if(sdigits->GetEntriesFast() > index[i] ){ - curNext = dynamic_cast(sdigits->At(index[i]))->GetId() ; - } - if(curNext < nextSig) nextSig = curNext ; + 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) ; + + } // for(absID = 0; absID < nEMC; absID++) + + //--------------------------------------------------------- + //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; } - } - // add the noise now - amp += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ; - digit->SetAmp(sDigitizer->Digitize(amp)) ; - AliDebug(10,Form(" absID %5i amp %f nextSig %5i\n", - absID, amp, nextSig)); - } // for(absID = 1; absID <= nEMC; absID++) + + for(Int_t i2 = 0 ; i2 < realDigits->GetEntriesFast() ; i2++) + { + AliEMCALDigit * digit2 = dynamic_cast( realDigits->At(i2) ) ; + if ( !digit2 ) continue; + + digit = dynamic_cast( digits->At(digit2->GetId()) ) ; + if ( !digit ) continue; + + // 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())); + }//loop digit 2 + }//input loop + }//embed - //ticks->Delete() ; - //delete ticks ; - + //JLK is it better to call Clear() here? delete sdigArray ; //We should not delete its contents - + + //------------------------------ //remove digits below thresholds - for(i = 0 ; i < nEMC ; i++){ + // 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) ) ; - Float_t threshold = fDigitThreshold ; - if(sDigitizer->Calibrate( digit->GetAmp() ) < threshold) + if ( !digit ) continue; + + //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) ; - else - digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ; - } + + } // 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 ) continue ; + + digit->SetIndexInList(i) ; + + time = digit->GetTime(); + digit->SetTime(time); + + energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ; + + Float_t ampADC = energy; + DigitizeEnergyTime(ampADC, time, digit->GetId()); + + digit->SetAmplitude(ampADC) ; + // printf("digit amplitude set at end: i %d, amp %f\n",i,digit->GetAmplitude()); + }//Digit loop - digits->Compress() ; - - Int_t ndigits = digits->GetEntriesFast() ; - - //Set indexes in list of digits and fill hists. - AliEMCALHistoUtilities::FillH1(fHists, 0, Double_t(ndigits)); - Float_t energy=0., esum=0.; - for (i = 0 ; i < ndigits ; i++) { - digit = dynamic_cast( digits->At(i) ) ; - digit->SetIndexInList(i) ; - energy = sDigitizer->Calibrate(digit->GetAmp()) ; - esum += energy; - digit->SetAmp(DigitizeEnergy(energy, digit->GetId()) ) ; // for what ?? - AliEMCALHistoUtilities::FillH1(fHists, 2, double(digit->GetAmp())); - AliEMCALHistoUtilities::FillH1(fHists, 3, double(energy)); - AliEMCALHistoUtilities::FillH1(fHists, 4, double(digit->GetId())); - // if(digit->GetId() == nEMC) { - // printf(" i %i \n", i ); - // digit->Dump(); - // assert(0); - //} - } - AliEMCALHistoUtilities::FillH1(fHists, 1, esum); } -// //_____________________________________________________________________ -Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t AbsId) -{ +//_____________________________________________________________________ +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(); - + if (geom==0) + { AliFatal("Did not get geometry from EMCALLoader"); + return; + } + + 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); + + 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::DecalibrateTrigger(AliEMCALDigit *digit) +{ + // Decalibrate, used in Trigger digits + + if ( !fCalibData ) return ; + + // Load Geometry + const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); + + if (!geom) + { + AliFatal("Did not get geometry from EMCALLoader"); + return; + } + + // Recover the digit location in row-column-SM + Int_t absId = digit->GetId(); Int_t iSupMod = -1; - Int_t nModule = -1; + Int_t nModule = -1; Int_t nIphi = -1; Int_t nIeta = -1; Int_t iphi = -1; Int_t ieta = -1; - Int_t channel = -999; + + Bool_t bCell = geom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ; + if (!bCell) Error("Decalibrate","Wrong cell id number : absId %i ", absId) ; + + geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta); + + // Now decalibrate + Float_t adcChannel = fCalibData->GetADCchannel (iSupMod,ieta,iphi); + Float_t adcChannelOnline = fCalibData->GetADCchannelOnline(iSupMod,ieta,iphi); + //printf("calib param for (SM%d,col%d,row%d): %1.4f - online param: %1.4f \n",iSupMod,ieta,iphi,adcChannel,adcChannelOnline); + Float_t factor = 1./(adcChannel/adcChannelOnline); + + *digit = *digit * factor; + +} - Bool_t bCell = geom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ; - if(!bCell) - Error("DigitizeEnergy","Wrong cell id number : AbsId %i ", AbsId) ; +//_____________________________________________________________________ +void AliEMCALDigitizer::CalibrateADCTime(Float_t & adc, Float_t & time, const Int_t absId) +{ + // 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; + } + + 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) { + if(fCalibData) + { fADCpedestalEC = fCalibData->GetADCpedestal(iSupMod,ieta,iphi); - fADCchannelEC = fCalibData->GetADCchannel(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?) } - channel = static_cast (TMath::Ceil( (energy + fADCpedestalEC)/fADCchannelEC )) ; - - if(channel > fNADCEC ) - channel = fNADCEC ; - return channel ; + adc = adc * fADCchannelEC - fADCpedestalEC; + time -= fTimeChannel; } + //____________________________________________________________________________ -void AliEMCALDigitizer::Exec(Option_t *option) -{ +void AliEMCALDigitizer::Digitize(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() ) ; + + if (!fInit) + { // to prevent overwrite existing file + Error( "Digitize", "Give a version name different from %s", fEventFolderName.Data() ) ; return ; - } - - if (strstr(option,"print")) { - + } + + if (strstr(option,"print")) + { Print(); - return ; + return ; } if(strstr(option,"tim")) gBenchmark->Start("EMCALDigitizer"); - - AliRunLoader *rl = AliRunLoader::GetRunLoader(); + + AliRunLoader *rl = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); - - // Post Digitizer to the white board - emcalLoader->PostDigitizer(this) ; + if(!emcalLoader) + { + AliFatal("Did not get the Loader"); + return; // coverity + } - if (fLastEvent == -1) { + if (fLastEvent == -1) fLastEvent = rl->GetNumberOfEvents() - 1 ; - } - else if (fManager) + else if (fDigInput) fLastEvent = fFirstEvent ; // what is this ?? - - Int_t nEvents = fLastEvent - fFirstEvent + 1; - Int_t ievent; - + + Int_t nEvents = fLastEvent - fFirstEvent + 1; + Int_t ievent = -1; + + AliEMCAL * emcal = dynamic_cast(rl->GetAliRun()->GetDetector("EMCAL")); + if(!emcal) + { + AliFatal("Did not get the AliEMCAL pointer"); + return; // coverity + } + + AliEMCALGeometry *geom = emcal->GetGeometry(); + if(!geom) + { + AliFatal("Geometry pointer null"); + return; // fix for coverity + } + + const Int_t nTRU = geom->GetNTotalTRU(); + TClonesArray* digitsTMP = new TClonesArray("AliEMCALDigit", nTRU*96); + TClonesArray* digitsTRG = new TClonesArray("AliEMCALRawDigit", nTRU*96); + rl->LoadSDigits("EMCAL"); - for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { - + 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() ; - } + + //increment the total number of Digits per run + fDigitsInRun += emcalLoader->Digits()->GetEntriesFast() ; + }//loop - emcalLoader->CleanDigitizer() ; - - if(strstr(option,"tim")){ + 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 )) ; - } + 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) -{ - // Returns the shortest time among all time ticks +//__________________________________________________________________ +Float_t AliEMCALDigitizer::GetTimeResolution(Float_t energy) const +{ + // Assign a smeared time to the digit, from observed distribution in LED system (?). + // From F. Blanco + Float_t res = -1; + if (energy > 0) + { + res = TMath::Sqrt(fTimeResolutionPar0 + + fTimeResolutionPar1/(energy*energy) ); + } + // parametrization above is for ns. Convert to seconds: + return res*1e-9; +} - ticks->Sort() ; //Sort in accordance with times of ticks - TIter it(ticks) ; - AliEMCALTick * ctick = (AliEMCALTick *) it.Next() ; - Float_t time = ctick->CrossingTime(fTimeThreshold) ; +//____________________________________________________________________________ +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 - AliEMCALTick * t ; - while((t=(AliEMCALTick*) it.Next())){ - if(t->GetTime() < time) //This tick starts before crossing - *ctick+=*t ; - else - return time ; + // push the FEE digit to its associated FastOR (numbered from 0:95) + // TRU is in charge of summing module digits + + AliRunLoader *runLoader = AliRunLoader::Instance(); + + AliEMCALLoader *emcalLoader = dynamic_cast(runLoader->GetDetectorLoader("EMCAL")); + if (!emcalLoader) AliFatal("Did not get the Loader"); + + const AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance(); + if(!geom) + { + AliFatal("Geometry pointer null"); + return; // fix for coverity + } + + // 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; + + DecalibrateTrigger(digit); - time = ctick->CrossingTime(fTimeThreshold) ; + Int_t id = digit->GetId(); + + Int_t trgid; + if (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 = geom->GetNTotalTRU(); + 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::DigitalFastOR( Double_t time, Double_t dE, Int_t timeSamples[], Int_t nSamples ) +{ + // parameters: + // id: 0..95 + const Int_t reso = 12; // 11-bit resolution ADC + const Double_t vFSR = 2.; // Full scale input voltage range 2V (p-p) +//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 vFSR/2.) { + AliError("Signal overflow!"); + timeSamples[iTime] = (1 << reso) - 1; + } else { + AliDebug(999,Form("iTime: %d sig: %f\n",iTime,sig)); + timeSamples[iTime] = ((1 << reso) / vFSR) * sig + 0.5; + } } - return time ; } //____________________________________________________________________________ @@ -583,18 +1029,18 @@ Bool_t AliEMCALDigitizer::Init() { // Makes all memory allocations fInit = kTRUE ; - AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL")); - + 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() ; + if(fDigInput) + fInput = fDigInput->GetNinputs() ; else fInput = 1 ; @@ -604,15 +1050,11 @@ Bool_t AliEMCALDigitizer::Init() 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 + 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 } - - //to prevent cleaning of this object while GetEvent is called - emcalLoader->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE); - - //PH Print(); + //Calibration instance fCalibData = emcalLoader->CalibData(); return fInit ; @@ -622,91 +1064,54 @@ Bool_t AliEMCALDigitizer::Init() void AliEMCALDigitizer::InitParameters() { // Parameter initialization for digitizer - // Tune parameters - 24-nov-04; Apr 29, 2007 - // New parameters JLK 14-Apr-2008 - - fMeanPhotonElectron = 4400; // electrons per GeV - fPinNoise = 0.037; // pin noise in GEV from analysis test beam data - if (fPinNoise == 0. ) + + // 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") ; - fDigitThreshold = fPinNoise * 3; // 3 * sigma - fTimeResolution = 0.3e-9 ; // 300 psc - fTimeSignalLength = 1.0e-9 ; - + 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 - fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536 - - fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ?? - // hists. for control; no hists on default - fControlHists = 0; - fHists = 0; -} - -//__________________________________________________________________ -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. + fADCchannelEC = 0.0162; // Nominal value set online for most of the channels, MIP peak sitting at ~266./16/1024 + 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 - if( strcmp(GetName(), "") == 0 ) - Init() ; + fNADCEC = simParam->GetNADCEC();//(Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536 - 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::GetRunLoader()->GetDetectorLoader("EMCAL")); - TString fileName( emcalLoader->GetSDigitsFileName() ) ; - if ( eventFolderName != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name - fileName = fileName.ReplaceAll(".root", "") + "_" + eventFolderName + ".root" ; - if ( (gSystem->AccessPathName(fileName)) ) { - Error("MixWith", "The file %s does not exist!", fileName.Data()) ; - return ; - } - // need to increase the arrays - // MvL: This code only works when fInput == 1, I think. - TString tempo = fInputFileNames[fInput-1] ; - delete [] fInputFileNames ; - fInputFileNames = new TString[fInput+1] ; - fInputFileNames[fInput-1] = tempo ; - - tempo = fEventNames[fInput-1] ; - delete [] fEventNames ; - fEventNames = new TString[fInput+1] ; - fEventNames[fInput-1] = tempo ; - - fInputFileNames[fInput] = alirunFileName ; - fEventNames[fInput] = eventFolderName ; - fInput++ ; -} + 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::Print1(Option_t * option) -{ // 19-nov-04 - just for convinience +{ // 19-nov-04 - just for convenience Print(); PrintDigits(option); } //__________________________________________________________________ -void AliEMCALDigitizer::Print(Option_t*)const +void AliEMCALDigitizer::Print (Option_t * ) const { // Print Digitizer's parameters printf("Print: \n------------------- %s -------------", GetName() ) ; @@ -714,35 +1119,36 @@ void AliEMCALDigitizer::Print(Option_t*)const printf(" Writing Digits to branch with title %s\n", fEventFolderName.Data()) ; Int_t nStreams ; - if (fManager) + if (fDigInput) nStreams = GetNInputStreams() ; else nStreams = fInput ; - Int_t index = 0 ; - 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) ; + rl = AliRunLoader::Open(fInputFileNames[index], tempo) ; AliEMCALLoader *emcalLoader = dynamic_cast(rl->GetDetectorLoader("EMCAL")); - TString fileName( emcalLoader->GetSDigitsFileName() ) ; - if ( fEventNames[index] != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name - fileName = fileName.ReplaceAll(".root", "") + "_" + fEventNames[index] + ".root" ; - printf ("Adding SDigits from %s %s\n", fInputFileNames[index].Data(), fileName.Data()) ; + 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::GetRunLoader()->GetDetectorLoader("EMCAL")); - - printf("\nWriting digits to %s", emcalLoader->GetDigitsFileName().Data()) ; - printf("\nWith following parameters:\n") ; + AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::Instance()->GetDetectorLoader("EMCAL")); - printf(" Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ; - printf(" Threshold in EMC (fDigitThreshold) = %f\n", fDigitThreshold) ; + 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 @@ -753,39 +1159,44 @@ void AliEMCALDigitizer::Print(Option_t*)const void AliEMCALDigitizer::PrintDigits(Option_t * option) { //utility method for printing digit information - - AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL")); - TClonesArray * digits = emcalLoader->Digits() ; - TClonesArray * sdigits = emcalLoader->SDigits() ; - - printf("\n #Digits: %d : sdigits %d ", digits->GetEntriesFast(), sdigits->GetEntriesFast()) ; - printf("\n event %d", emcalLoader->GetRunLoader()->GetEventNumber()); - - if(strstr(option,"all")){ - //loop over digits - AliEMCALDigit * digit; - 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)) ; - printf("\n%6d %8d %6.5e %4d %2d : ", - digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ; - Int_t iprimary; - for (iprimary=0; iprimaryGetNprimary(); iprimary++) { - printf("%d ",digit->GetPrimary(iprimary+1) ) ; - } - } - } - printf("\n"); + + 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; + //printf("Time noise %e\n",fTimeNoise); + return gRandom->Rndm() * fTimeNoise; } //__________________________________________________________________ @@ -801,83 +1212,142 @@ void AliEMCALDigitizer::Unload() if ((rl = AliRunLoader::GetRunLoader(tempo))) rl->GetDetectorLoader("EMCAL")->UnloadSDigits() ; } - AliEMCALLoader *emcalLoader = dynamic_cast(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL")); - emcalLoader->UnloadDigits() ; + 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. +{ // 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::GetRunLoader()->GetDetectorLoader("EMCAL")); - - const TClonesArray * digits = emcalLoader->Digits() ; - TTree * treeD = emcalLoader->TreeD(); - if ( !treeD ) { - emcalLoader->MakeDigitsContainer(); - treeD = emcalLoader->TreeD(); - } - - // -- create Digits branch - Int_t bufferSize = 32000 ; - TBranch * digitsBranch = 0; - if ((digitsBranch = treeD->GetBranch("EMCAL"))) { - digitsBranch->SetAddress(&digits); - AliWarning("Digits Branch already exists. Not all digits will be visible"); - } - else - treeD->Branch("EMCAL","TClonesArray",&digits,bufferSize); - //digitsBranch->SetTitle(fEventFolderName); - treeD->Fill() ; - emcalLoader->WriteDigits("OVERWRITE"); - emcalLoader->WriteDigitizer("OVERWRITE"); - - Unload() ; - + 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::Browse(TBrowser* b) +void AliEMCALDigitizer::WriteDigits(TClonesArray* digits, const char* branchName) { - if(fHists) b->Add(fHists); - TTask::Browse(b); + // 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"); } //__________________________________________________________________ -TList *AliEMCALDigitizer::BookControlHists(int var) -{ - // 22-nov-04 - // histograms for monitoring digitizer performance - - Info("BookControlHists"," started "); - gROOT->cd(); - const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); - if(var>=1){ - new TH1F("hDigiN", "#EMCAL digits with fAmp > fDigitThreshold", - fNADCEC+1, -0.5, Double_t(fNADCEC)); - new TH1F("HDigiSumEnergy","Sum.EMCAL energy from digi", 1000, 0.0, 200.); - new TH1F("hDigiAmp", "EMCAL digital amplitude", fNADCEC+1, -0.5, Double_t(fNADCEC)); - new TH1F("hDigiEnergy","EMCAL cell energy", 2000, 0.0, 200.); - new TH1F("hDigiAbsId","EMCAL absId cells with fAmp > fDigitThreshold ", - geom->GetNCells(), 0.5, Double_t(geom->GetNCells())+0.5); - } +Bool_t AliEMCALDigitizer::IsDead(AliEMCALDigit *digit) +{ + // Check if cell is defined as dead, so that it is not included + // input is digit + Int_t absId = digit->GetId(); - fHists = AliEMCALHistoUtilities::MoveHistsToList("EmcalDigiControlHists", kFALSE); - fHists = 0; //huh? JLK 03-Mar-2006 - return fHists; + return IsDead(absId); + } + //__________________________________________________________________ -void AliEMCALDigitizer::SaveHists(const char* name, Bool_t kSingleKey, const char* opt) +Bool_t AliEMCALDigitizer::IsDead(Int_t absId) { - AliEMCALHistoUtilities::SaveListOfHists(fHists, name, kSingleKey, opt); + // Check if cell absID is defined as dead, so that it is not included + + AliRunLoader *runLoader = AliRunLoader::Instance(); + AliEMCALLoader *emcalLoader = dynamic_cast(runLoader->GetDetectorLoader("EMCAL")); + if (!emcalLoader) + { + AliFatal("Did not get the Loader"); + return kTRUE; + } + + 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"); + return kTRUE; //coverity + } + + 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; } +