#include "AliEMCALCalibData.h"
#include "AliEMCALSimParam.h"
#include "AliEMCALRawDigit.h"
+#include "AliCaloCalibPedestal.h"
namespace
{
}
//____________________________________________________________________________
-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 and after that adds contributions from
- // SDigits. This design helps to avoid scanning over the
+ // 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
// 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<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
- if(emcalLoader){
- Int_t readEvent = event ;
- // fDigInput is data member from AliDigitizer
- if (fDigInput)
- readEvent = dynamic_cast<AliStream*>(fDigInput->GetInputStream(0))->GetCurrentEventNumber() ;
- AliDebug(1,Form("Adding event %d from input stream 0 %s %s",
- readEvent, GetTitle(), fEventFolderName.Data())) ;
- rl->GetEvent(readEvent);
+ 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<AliStream*>(fDigInput->GetInputStream(0))->GetCurrentEventNumber() ;
+ AliDebug(1,Form("Adding event %d from input stream 0 %s %s",
+ readEvent, GetTitle(), fEventFolderName.Data())) ;
+ rl->GetEvent(readEvent);
+
+ TClonesArray * digits = emcalLoader->Digits() ;
+ digits->Delete() ; //correct way to clear array when memory is
+ //allocated by objects stored in array
+
+ // Load Geometry
+ if (!rl->GetAliRun())
+ {
+ AliFatal("Could not get AliRun from runLoader");
+ 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()));
+
+ digits->Expand(nEMC) ;
+
+ // RS create a digitizer on the fly
+ if (!fSDigitizer) fSDigitizer = new AliEMCALSDigitizer(rl->GetFileName().Data());
+ fSDigitizer->SetEventRange(0, -1) ;
+
+ //-------------------------------------------------------
+ //take all the inputs to add together and load the SDigits
+ TObjArray * sdigArray = new TObjArray(fInput) ;
+ sdigArray->AddAt(emcalLoader->SDigits(), 0) ;
+
+ Int_t i ;
+ Int_t embed = kFALSE;
+ for(i = 1 ; i < fInput ; i++)
+ {
+ TString tempo(fEventNames[i]) ;
+ tempo += i ;
+
+ AliRunLoader * rl2 = AliRunLoader::GetRunLoader(tempo) ;
- TClonesArray * digits = emcalLoader->Digits() ;
- digits->Delete() ; //correct way to clear array when memory is
- //allocated by objects stored in array
+ if (!rl2)
+ rl2 = AliRunLoader::Open(fInputFileNames[i], tempo) ;
- // Load Geometry
- AliEMCALGeometry *geom = 0;
- if (!rl->GetAliRun()) {
- AliFatal("Could not get AliRun from runLoader");
+ if(!rl2)
+ {
+ AliFatal("Run Loader of second event not available!");
+ return; // not needed but in case coverity complains ...
}
- 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()));
+
+ if (fDigInput)
+ readEvent = dynamic_cast<AliStream*>(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 ...
}
- Int_t absID = -1 ;
+ AliEMCALLoader *emcalLoader2 = dynamic_cast<AliEMCALLoader*>(rl2->GetDetectorLoader("EMCAL"));
- digits->Expand(nEMC) ;
+ 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;
- // RS create a digitizer on the fly
- if (!fSDigitizer) fSDigitizer = new AliEMCALSDigitizer(rl->GetFileName().Data());
- fSDigitizer->SetEventRange(0, -1) ;
- //
- //take all the inputs to add together and load the SDigits
- TObjArray * sdigArray = new TObjArray(fInput) ;
- sdigArray->AddAt(emcalLoader->SDigits(), 0) ;
- Int_t i ;
- Int_t embed = kFALSE;
- for(i = 1 ; i < fInput ; i++){
- TString tempo(fEventNames[i]) ;
- tempo += i ;
-
- AliRunLoader * rl2 = AliRunLoader::GetRunLoader(tempo) ;
-
- if (rl2==0)
- rl2 = AliRunLoader::Open(fInputFileNames[i], tempo) ;
-
- if (fDigInput)
- readEvent = dynamic_cast<AliStream*>(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"))
+ 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<AliEMCALDigit*> (sdigits2->At(0))->GetType());
+ AliEMCALDigit * digit2 = dynamic_cast<AliEMCALDigit*> (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++)
+ {
+ if(i > 0 && embed) continue;
+
+ sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
+ if(!sdigits)
+ {
+ AliDebug(1,"Null sdigit pointer");
+ continue;
+ }
+
+ if (sdigits->GetEntriesFast() <= 0 )
+ {
+ AliDebug(1, "No sdigits entries");
+ continue;
+ }
+
+ AliEMCALDigit *sd = dynamic_cast<AliEMCALDigit *>(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 ;
+
+ //---------------------------------------------
+ //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
+ 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<AliEMCALDigit *>(digits->At(absID)); // absID-1->absID
+
+ 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 aTime= digit->GetAmplitude() ;
+
+ // loop over input
+ Int_t nInputs = fInput;
+ if(embed) nInputs = 1; // In case of embedding, merge later real digits, do not smear energy and time of data
+ for(i = 0; i< nInputs ; i++)
+ {
+ //loop over (possible) merge sources
+ TClonesArray* sdtclarr = dynamic_cast<TClonesArray *>(sdigArray->At(i));
+ if(sdtclarr)
{
- AliEMCALLoader *emcalLoader2 = dynamic_cast<AliEMCALLoader*>(rl2->GetDetectorLoader("EMCAL"));
-
- if(emcalLoader2) {
- //Merge 2 simulated sdigits
- if(emcalLoader2->SDigits()){
- TClonesArray* sdigits2 = emcalLoader2->SDigits();
- sdigArray->AddAt(sdigits2, i) ;
- // Check if first sdigit is of embedded type, if so, handle the sdigits differently:
- // do not smear energy of embedded, do not add noise to any sdigits
- if(sdigits2->GetEntriesFast()>0){
- //printf("Merged digit type: %d\n",dynamic_cast<AliEMCALDigit*> (sdigits2->At(0))->GetType());
- AliEMCALDigit * digit2 = dynamic_cast<AliEMCALDigit*> (sdigits2->At(0));
- if(digit2 && digit2->GetType()==AliEMCALDigit::kEmbedded){
- embed = kTRUE;
- }
- }
- }
-
- }//loader2
- else AliFatal("EMCAL Loader of second event not available!");
+ Int_t sDigitEntries = sdtclarr->GetEntriesFast();
- }
- else Fatal("Digitize", "Loader of second input not found");
- }// input loop
-
- //Find the first tower with signal
- Int_t nextSig = nEMC + 1 ;
- TClonesArray * sdigits ;
- for(i = 0 ; i < fInput ; i++){
- if(i > 0 && embed) continue;
- sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
- if(sdigits){
- if (sdigits->GetEntriesFast() ){
- AliEMCALDigit *sd = dynamic_cast<AliEMCALDigit *>(sdigits->At(0));
- if(sd){
- Int_t curNext = sd->GetId() ;
- if(curNext < nextSig)
- nextSig = curNext ;
- AliDebug(1,Form("input %i : #sdigits %i \n",
- i, sdigits->GetEntriesFast()));
-
- }//First entry is not NULL
- else {
- Info("Digitize", "NULL sdigit pointer");
- continue;
- }
- }//There is at least one entry
- else {
- Info("Digitize", "NULL sdigits array");
- continue;
- }
- }// SDigits array exists
- else {
- Info("Digitizer","Null sdigit pointer");
- continue;
- }
- }// input loop
- AliDebug(1,Form("FIRST tower with signal %i \n", nextSig));
-
- TArrayI index(fInput) ;
- index.Reset() ; //Set all indexes to zero
-
- AliEMCALDigit * digit ;
- AliEMCALDigit * curSDigit ;
-
- //Put Noise contribution, smear time and energy
- Float_t timeResolution = 0;
- for(absID = 0; absID < nEMC; absID++){ // Nov 30, 2006 by PAI; was from 1 to nEMC
- Float_t energy = 0 ;
-
- // amplitude set to zero, noise will be added later
- Float_t noiseTime = 0.;
- if(!embed) noiseTime = TimeOfNoise(); //No need for embedded events?
- new((*digits)[absID]) AliEMCALDigit( -1, -1, absID, 0., noiseTime,kFALSE); // absID-1->absID
- //look if we have to add signal?
- digit = dynamic_cast<AliEMCALDigit *>(digits->At(absID)); // absID-1->absID
-
- if (digit) {
+ if(sDigitEntries > index[i] ) curSDigit = dynamic_cast<AliEMCALDigit*>(sdtclarr->At(index[i])) ;
+ else curSDigit = 0 ;
- if(absID==nextSig){
-
- // Calculate time as time of the largest digit
- Float_t time = digit->GetTime() ;
- Float_t aTime= digit->GetAmplitude() ;
-
- // loop over input
- Int_t nInputs = fInput;
- if(embed) nInputs = 1; // In case of embedding, merge later real digits, do not smear energy and time of data
- for(i = 0; i< nInputs ; i++){ //loop over (possible) merge sources
- TClonesArray* sdtclarr = dynamic_cast<TClonesArray *>(sdigArray->At(i));
- if(sdtclarr) {
- Int_t sDigitEntries = sdtclarr->GetEntriesFast();
-
- if(sDigitEntries > index[i] )
- curSDigit = dynamic_cast<AliEMCALDigit*>(sdtclarr->At(index[i])) ;
- else
- curSDigit = 0 ;
-
- //May be several digits will contribute from the same input
- while(curSDigit && (curSDigit->GetId() == absID)){
- //Shift primary to separate primaries belonging different inputs
- Int_t primaryoffset ;
- if(fDigInput)
- primaryoffset = fDigInput->GetMask(i) ;
- else
- primaryoffset = i ;
- curSDigit->ShiftPrimary(primaryoffset) ;
-
- if(curSDigit->GetAmplitude()>aTime) {
- aTime = curSDigit->GetAmplitude();
- time = curSDigit->GetTime();
- }
-
- *digit = *digit + *curSDigit ; //adds amplitudes of each digit
-
- index[i]++ ;
-
- if( sDigitEntries > index[i] )
- curSDigit = dynamic_cast<AliEMCALDigit*>(sdtclarr->At(index[i])) ;
- else
- curSDigit = 0 ;
- }// while
- }// source exists
- }// loop over merging sources
-
+ //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) ;
- //Here we convert the summed amplitude to an energy in GeV only for simulation or mixing of simulations
- energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ; // GeV
+ if(curSDigit->GetAmplitude()>aTime)
+ {
+ aTime = curSDigit->GetAmplitude();
+ time = curSDigit->GetTime();
+ }
- // add fluctuations for photo-electron creation
- // corrected fluctuations after comparison with beam test, Paraskevi Ganoti (06/11/2011)
- Float_t fluct = static_cast<Float_t>((energy*fMeanPhotonElectron)/fGainFluctuations);
- energy *= static_cast<Float_t>(gRandom->Poisson(fluct)) / fluct ;
-
- //calculate and set time
- digit->SetTime(time) ;
+ *digit = *digit + *curSDigit ; //adds amplitudes of each digit
- //Find next signal module
- nextSig = nEMC + 1 ;
- for(i = 0 ; i < nInputs ; i++){
- sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
-
- if(sdigits){
- Int_t curNext = nextSig ;
- if(sdigits->GetEntriesFast() > index[i])
- {
- AliEMCALDigit * tmpdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(index[i]));
- if(tmpdigit)
- {
- curNext = tmpdigit->GetId() ;
- }
- }
- if(curNext < nextSig) nextSig = curNext ;
- }// sdigits exist
- } // input loop
+ index[i]++ ;
- }//absID==nextSig
-
- // add the noise now, no need for embedded events with real data
- if(!embed)
- energy += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ;
-
-
- // JLK 26-June-2008
- //Now digitize the energy according to the fSDigitizer method,
- //which merely converts the energy to an integer. Later we will
- //check that the stored value matches our allowed dynamic ranges
- digit->SetAmplitude(fSDigitizer->Digitize(energy)) ;
-
- //Set time resolution with final energy
- timeResolution = GetTimeResolution(energy);
- digit->SetTime(gRandom->Gaus(digit->GetTime(),timeResolution) ) ;
- AliDebug(10,Form(" absID %5i energy %f nextSig %5i\n",
- absID, energy, nextSig));
- //Add delay to time
- digit->SetTime(digit->GetTime()+fTimeDelay) ;
-
- }// Digit pointer exists
- else{
- Info("Digitizer","Digit pointer is null");
- }
- } // for(absID = 0; absID < nEMC; absID++)
+ if( sDigitEntries > index[i] ) curSDigit = dynamic_cast<AliEMCALDigit*>(sdtclarr->At(index[i])) ;
+ else curSDigit = 0 ;
+ }// while
+ }// source exists
+ }// loop over merging sources
- //ticks->Delete() ;
- //delete ticks ;
-
- //Embed simulated amplitude (and time?) to real data digits
- if(embed){
- for(Int_t input = 1; input<fInput; input++){
- TClonesArray *realDigits = dynamic_cast<TClonesArray*> (sdigArray->At(input));
- if(!realDigits){
- AliDebug(1,"No sdigits to merge\n");
- continue;
- }
- for(Int_t i2 = 0 ; i2 < realDigits->GetEntriesFast() ; i2++){
- AliEMCALDigit * digit2 = dynamic_cast<AliEMCALDigit*>( realDigits->At(i2) ) ;
- if(digit2){
- digit = dynamic_cast<AliEMCALDigit*>( digits->At(digit2->GetId()) ) ;
- if(digit){
-
- // Put the embedded cell energy in same units as simulated sdigits -> transform to energy units
- // and multiply to get a big int.
- Float_t time2 = digit2->GetTime();
- Float_t e2 = digit2->GetAmplitude();
- CalibrateADCTime(e2,time2,digit2->GetId());
- Float_t amp2 = fSDigitizer->Digitize(e2);
-
- Float_t e0 = digit ->GetAmplitude();
- if(e0>0.01)
- AliDebug(1,Form("digit 1: Abs ID %d, amp %f, type %d, time %e; digit2: Abs ID %d, amp %f, type %d, time %e\n",
- digit ->GetId(),digit ->GetAmplitude(), digit ->GetType(), digit->GetTime(),
- digit2->GetId(),amp2, digit2->GetType(), time2 ));
-
- // Sum amplitudes, change digit amplitude
- digit->SetAmplitude( digit->GetAmplitude() + amp2);
- // Rough assumption, assign time of the largest of the 2 digits,
- // data or signal to the final digit.
- if(amp2 > digit->GetAmplitude()) digit->SetTime(time2);
- //Mark the new digit as embedded
- digit->SetType(AliEMCALDigit::kEmbedded);
-
- if(digit2->GetAmplitude()>0.01 && e0> 0.01 )
- AliDebug(1,Form("Embedded digit: Abs ID %d, amp %f, type %d\n",
- digit->GetId(), digit->GetAmplitude(), digit->GetType()));
- }//digit2
- }//digit2
- }//loop digit 2
- }//input loop
- }//embed
+ //Here we convert the summed amplitude to an energy in GeV only for simulation or mixing of simulations
+ energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ; // GeV
- //JLK is it better to call Clear() here?
- delete sdigArray ; //We should not delete its contents
+ // add fluctuations for photo-electron creation
+ // corrected fluctuations after comparison with beam test, Paraskevi Ganoti (06/11/2011)
+ Float_t fluct = static_cast<Float_t>((energy*fMeanPhotonElectron)/fGainFluctuations);
+ energy *= static_cast<Float_t>(gRandom->Poisson(fluct)) / fluct ;
- //remove digits below thresholds
- // until 10-02-2010 remove digits with energy smaller than fDigitThreshold 3*fPinNoise
- // now, remove digits with Digitized ADC smaller than fDigitThreshold = 3,
- // before merge in the same loop real data digits if available
- Float_t energy = 0;
- Float_t time = 0;
- for(i = 0 ; i < nEMC ; i++){
- digit = dynamic_cast<AliEMCALDigit*>( digits->At(i) ) ;
- if(digit){
-
- //Then get the energy in GeV units.
- energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ;
- //Then digitize using the calibration constants of the ocdb
- Float_t ampADC = energy;
- DigitizeEnergyTime(ampADC, time, digit->GetId()) ;
- if(ampADC < fDigitThreshold)
- digits->RemoveAt(i) ;
+ //calculate and set time
+ digit->SetTime(time) ;
+
+ //Find next signal module
+ nextSig = nEMC + 1 ;
+ for(i = 0 ; i < nInputs ; i++)
+ {
+ sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
+
+ if(sdigits)
+ {
+ Int_t curNext = nextSig ;
+ if(sdigits->GetEntriesFast() > index[i])
+ {
+ AliEMCALDigit * tmpdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(index[i]));
+ if ( tmpdigit ) curNext = tmpdigit->GetId() ;
+ }
- }// digit exists
- } // digit loop
+ if(curNext < nextSig) nextSig = curNext ;
+ }// sdigits exist
+ } // input loop
- digits->Compress() ;
+ }//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<fInput; input++)
+ {
+ TClonesArray *realDigits = dynamic_cast<TClonesArray*> (sdigArray->At(input));
+ if(!realDigits)
+ {
+ AliDebug(1,"No sdigits to merge\n");
+ continue;
+ }
- 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<AliEMCALDigit *>( digits->At(i) ) ;
- if(digit){
- digit->SetIndexInList(i) ;
- energy = fSDigitizer->Calibrate(digit->GetAmplitude()) ;
- time = digit->GetTime();
- Float_t ampADC = energy;
- DigitizeEnergyTime(ampADC, time, digit->GetId());
- digit->SetAmplitude(ampADC) ;
- digit->SetTime(time);
- // printf("digit amplitude set at end: i %d, amp %f\n",i,digit->GetAmplitude());
- }// digit exists
- }//Digit loop
+ for(Int_t i2 = 0 ; i2 < realDigits->GetEntriesFast() ; i2++)
+ {
+ AliEMCALDigit * digit2 = dynamic_cast<AliEMCALDigit*>( realDigits->At(i2) ) ;
+ if ( !digit2 ) continue;
- }
- else AliFatal("EMCALLoader is NULL!") ;
+ digit = dynamic_cast<AliEMCALDigit*>( 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
+
+ //JLK is it better to call Clear() here?
+ delete sdigArray ; //We should not delete its contents
+
+ //------------------------------
+ //remove digits below thresholds
+ // until 10-02-2010 remove digits with energy smaller than fDigitThreshold 3*fPinNoise
+ // now, remove digits with Digitized ADC smaller than fDigitThreshold = 3,
+ // before merge in the same loop real data digits if available
+ Float_t energy = 0;
+ Float_t time = 0;
+ for(i = 0 ; i < nEMC ; i++)
+ {
+ digit = dynamic_cast<AliEMCALDigit*>( digits->At(i) ) ;
+ 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) ;
+
+ } // 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<AliEMCALDigit *>( 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
}
//_____________________________________________________________________
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
// Load Geometry
const AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
- if (geom==0){
+ if (geom==0)
+ {
AliFatal("Did not get geometry from EMCALLoader");
return;
}
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) ;
+ Error("DigitizeEnergyTime","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);
fADCchannelECDecal = fCalibData->GetADCchannelDecal (iSupMod,ieta,iphi);
- fTimeChannel = fCalibData->GetTimeChannel (iSupMod,ieta,iphi);
- fTimeChannelDecal = fCalibData->GetTimeChannelDecal(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 ;
+ 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 nIphi = -1;
+ Int_t nIeta = -1;
+ Int_t iphi = -1;
+ Int_t ieta = -1;
+
+ Bool_t bCell = geom->GetCellIndex(absId, iSupMod, nModule, nIphi, nIeta) ;
+ if (!bCell) Error("Decalibrate","Wrong cell id number : absId %i ", absId) ;
+
+ geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
+
+ // 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;
+
}
//_____________________________________________________________________
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
// Load Geometry
const AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
- if (!geom){
+ if (!geom)
+ {
AliFatal("Did not get geometry from EMCALLoader");
return;
}
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) ;
+ 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);
- fTimeChannel = fCalibData->GetTimeChannel(iSupMod,ieta,iphi);
+ fTimeChannel = fCalibData->GetTimeChannel(iSupMod,ieta,iphi,0);// Assign bunch crossing number equal to 0 (has simulation different bunch crossings?)
}
adc = adc * fADCchannelEC - fADCpedestalEC;
time -= fTimeChannel;
-
}
AliRunLoader *rl = AliRunLoader::Instance();
AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
Int_t nEvents = 0;
- if(!emcalLoader){
+ if(!emcalLoader)
+ {
AliFatal("Did not get the Loader");
}
- else{
-
- if (fLastEvent == -1) {
+ else
+ {
+ if (fLastEvent == -1)
fLastEvent = rl->GetNumberOfEvents() - 1 ;
- }
- else if (fDigInput)
+ else if (fDigInput)
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);
+ AliEMCALGeometry *geom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("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++) {
//__________________________________________________________________
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) {
+ if (energy > 0)
+ {
res = TMath::Sqrt(fTimeResolutionPar0 +
fTimeResolutionPar1/(energy*energy) );
}
return res*1e-9;
}
-//____________________________________________________________________________
+//____________________________________________________________________________
void AliEMCALDigitizer::Digits2FastOR(TClonesArray* digitsTMP, TClonesArray* digitsTRG)
{
- // FEE digits afterburner to produce TRG digits
+ // 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
AliRunLoader *runLoader = AliRunLoader::Instance();
- AliRun* run = runLoader->GetAliRun();
-
AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(runLoader->GetDetectorLoader("EMCAL"));
- if(!emcalLoader){
- AliFatal("Did not get the Loader");
+ if (!emcalLoader) AliFatal("Did not get the Loader");
+
+ const AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
+ if(!geom)
+ {
+ AliFatal("Geometry pointer null");
+ return; // fix for coverity
}
- else {
- AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(run->GetDetector("EMCAL"));
- if(emcal){
- AliEMCALGeometry* geom = emcal->GetGeometry();
-
- // build FOR from simulated digits
- // and xfer to the corresponding TRU input (mapping)
+
+ // 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);
+
+ 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));
- TClonesArray* digits = emcalLoader->Digits();
+ AliEMCALDigit* d = static_cast<AliEMCALDigit*>(digitsTMP->At(trgid));
- TIter NextDigit(digits);
- while (AliEMCALDigit* digit = (AliEMCALDigit*)NextDigit())
+ if (!d)
{
- 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<AliEMCALDigit*>(digitsTMP->At(trgid));
-
- if (!d)
- {
- new((*digitsTMP)[trgid]) AliEMCALDigit(*digit);
- d = (AliEMCALDigit*)digitsTMP->At(trgid);
- d->SetId(trgid);
- }
- else
- {
- *d = *d + *digit;
- }
- }
+ 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;
- if (AliDebugLevel()) printf("Number of TRG digits: %d\n",digitsTMP->GetEntriesFast());
+ Double_t depositedEnergy = 0.;
+ for (Int_t j = 1; j <= digit->GetNprimary(); j++) depositedEnergy += digit->GetDEPrimary(j);
- Int_t nSamples = 32;
- Int_t *timeSamples = new Int_t[nSamples];
+ if (AliDebugLevel()) printf("Deposited Energy: %f\n", depositedEnergy);
- 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;j<nSamples;j++)
- {
- timeSamples[j] = ((j << 12) & 0xFF000) | (timeSamples[j] & 0xFFF);
- }
-
- new((*digitsTRG)[digitsTRG->GetEntriesFast()]) AliEMCALRawDigit(id, timeSamples, nSamples);
- }
+ // FIXME: Check digit time!
+ if (depositedEnergy) {
+ depositedEnergy += gRandom->Gaus(0., .08);
+ DigitalFastOR(time, depositedEnergy, timeSamples, nSamples);
+
+ for (Int_t j=0;j<nSamples;j++) {
+ if (AliDebugLevel()) printf("timeSamples[%d]: %d\n",j,timeSamples[j]);
+ timeSamples[j] = ((j << 16) | (timeSamples[j] & 0xFFFF));
}
+
+ new((*digitsTRG)[digitsTRG->GetEntriesFast()]) AliEMCALRawDigit(id, timeSamples, nSamples);
+
+ if (AliDebugLevel()) ((AliEMCALRawDigit*)digitsTRG->At(digitsTRG->GetEntriesFast() - 1))->Print("");
}
-
- delete [] timeSamples;
- }// AliEMCAL exists
- else AliFatal("Could not get AliEMCAL");
- }// loader exists
+ }
+ }
+
+ 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 = 11; // 11-bit resolution ADC
- const Double_t vFSR = 1; // Full scale input voltage range
- const Double_t dNe = 125; // signal of the APD per MeV of energy deposit in a tower: 125 photo-e-/MeV @ M=30
- const Double_t 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
+ // 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)
+ 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 );
+ 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<nSamples; iTime++)
- {
- // FIXME: add noise (probably not simply Gaussian) according to DA measurements
- // probably plan an access to OCDB
-
- timeSamples[iTime] = int((TMath::Power(2, reso) / vFSR) * signalF.Eval(iTime * kTimeBinWidth) + 0.5);
- }
+ for (Int_t iTime=0; iTime<nSamples; iTime++)
+ {
+ // FIXME: add noise (probably not simply Gaussian) according to DA measurements
+ // probably plan an access to OCDB
+ Double_t sig = signalF.Eval(iTime * kTimeBinWidth);
+ if (TMath::Abs(sig) > 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;
+ }
+ }
}
//____________________________________________________________________________
// 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
+ 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
//__________________________________________________________________
void AliEMCALDigitizer::WriteDigits(TClonesArray* digits, const char* branchName)
-{ // overloaded method
+{
+ // overloaded method
AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
if(emcalLoader){
else AliFatal("Loader not available");
}
+//__________________________________________________________________
+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();
+
+ return IsDead(absId);
+
+}
+
+
+//__________________________________________________________________
+Bool_t AliEMCALDigitizer::IsDead(Int_t absId)
+{
+ // Check if cell absID is defined as dead, so that it is not included
+
+ AliRunLoader *runLoader = AliRunLoader::Instance();
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(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;
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff