//_________________________________________________________________________
//
//////////////////////////////////////////////////////////////////////////////
-// 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.
//
// Modif:
// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
// of new IO (à la PHOS)
-///_________________________________________________________________________________
+// November 2003 Aleksei Pavlinov : adopted for Shish-Kebab geometry
+//_________________________________________________________________________________
// --- ROOT system ---
-#include "TFile.h"
-#include "TTree.h"
-#include "TSystem.h"
-#include "TROOT.h"
-#include "TFolder.h"
-#include "TObjString.h"
-#include "TGeometry.h"
-#include "TBenchmark.h"
-
-// --- Standard library ---
+#include <TROOT.h>
+#include <TTree.h>
+#include <TSystem.h>
+#include <TBenchmark.h>
+#include <TBrowser.h>
+#include <TObjectTable.h>
+#include <TRandom.h>
+#include <cassert>
// --- AliRoot header files ---
+#include "AliLog.h"
#include "AliRun.h"
-#include "AliHeader.h"
-#include "AliStream.h"
#include "AliRunDigitizer.h"
+#include "AliRunLoader.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
#include "AliEMCALDigit.h"
#include "AliEMCAL.h"
-#include "AliEMCALGetter.h"
+#include "AliEMCALLoader.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
//____________________________________________________________________________
- AliEMCALDigitizer::AliEMCALDigitizer():AliDigitizer("",""),
- fInput(0),
- fInputFileNames(0x0),
- fEventNames(0x0)
+AliEMCALDigitizer::AliEMCALDigitizer()
+ : AliDigitizer("",""),
+ fDefaultInit(kTRUE),
+ fDigitsInRun(0),
+ fInit(0),
+ fInput(0),
+ fInputFileNames(0x0),
+ fEventNames(0x0),
+ fDigitThreshold(0),
+ fMeanPhotonElectron(0),
+ fPedestal(0),
+ fSlope(0),
+ fPinNoise(0),
+ fTimeResolution(0),
+ fTimeThreshold(0),
+ fTimeSignalLength(0),
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(""),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
// ctor
InitParameters() ;
- fDefaultInit = kTRUE ;
- fManager = 0 ; // We work in the standalong mode
- fEventFolderName = "" ;
+ fManager = 0 ; // We work in the standalone mode
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(const TString alirunFileName, const TString eventFolderName):
- AliDigitizer("EMCAL"+AliConfig::fgkDigitizerTaskName, alirunFileName),
- fInputFileNames(0), fEventNames(0), fEventFolderName(eventFolderName)
+AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName)
+ : AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), alirunFileName),
+ fDefaultInit(kFALSE),
+ fDigitsInRun(0),
+ fInit(0),
+ fInput(0),
+ fInputFileNames(0),
+ fEventNames(0),
+ fDigitThreshold(0),
+ fMeanPhotonElectron(0),
+ fPedestal(0),
+ fSlope(0),
+ fPinNoise(0),
+ fTimeResolution(0),
+ fTimeThreshold(0),
+ fTimeSignalLength(0),
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(eventFolderName),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
// ctor
-
InitParameters() ;
Init() ;
- fDefaultInit = kFALSE ;
- fManager = 0 ; // We work in the standalong mode
+ fManager = 0 ; // We work in the standalone mode
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d) : AliDigitizer(d)
+AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d)
+ : AliDigitizer(d.GetName(),d.GetTitle()),
+ fDefaultInit(d.fDefaultInit),
+ fDigitsInRun(d.fDigitsInRun),
+ fInit(d.fInit),
+ fInput(d.fInput),
+ fInputFileNames(d.fInputFileNames),
+ fEventNames(d.fEventNames),
+ fDigitThreshold(d.fDigitThreshold),
+ fMeanPhotonElectron(d.fMeanPhotonElectron),
+ fPedestal(d.fPedestal),
+ fSlope(d.fSlope),
+ fPinNoise(d.fPinNoise),
+ fTimeResolution(d.fTimeResolution),
+ fTimeThreshold(d.fTimeThreshold),
+ fTimeSignalLength(d.fTimeSignalLength),
+ fADCchannelEC(d.fADCchannelEC),
+ fADCpedestalEC(d.fADCpedestalEC),
+ fNADCEC(d.fNADCEC),
+ fEventFolderName(d.fEventFolderName),
+ fFirstEvent(d.fFirstEvent),
+ fLastEvent(d.fLastEvent),
+ fCalibData(d.fCalibData)
{
// copyy ctor
-
- SetName(d.GetName()) ;
- SetTitle(d.GetTitle()) ;
- fDigitThreshold = d.fDigitThreshold ;
- fMeanPhotonElectron = d.fMeanPhotonElectron ;
- fPedestal = d.fPedestal ;
- fSlope = d.fSlope ;
- fPinNoise = d.fPinNoise ;
- fTimeResolution = d.fTimeResolution ;
- fTimeThreshold = d.fTimeThreshold ;
- fTimeSignalLength = d.fTimeSignalLength ;
- fADCchannelEC = d.fADCchannelEC ;
- fADCpedestalEC = d.fADCpedestalEC ;
- fNADCEC = d.fNADCEC ;
- fEventFolderName = d.fEventFolderName;
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd):
- AliDigitizer(rd,"EMCAL"+AliConfig::fgkDigitizerTaskName),
- fEventFolderName(0)
+AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd)
+ : AliDigitizer(rd,"EMCAL"+AliConfig::Instance()->GetDigitizerTaskName()),
+ fDefaultInit(kFALSE),
+ fDigitsInRun(0),
+ fInit(0),
+ fInput(0),
+ fInputFileNames(0),
+ fEventNames(0),
+ fDigitThreshold(0.),
+ fMeanPhotonElectron(0),
+ fPedestal(0),
+ fSlope(0.),
+ fPinNoise(0),
+ fTimeResolution(0.),
+ fTimeThreshold(0),
+ fTimeSignalLength(0),
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(0),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
- // ctor
+ // ctor Init() is called by RunDigitizer
fManager = rd ;
fEventFolderName = fManager->GetInputFolderName(0) ;
SetTitle(dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetFileName(0));
InitParameters() ;
- Init() ;
- fDefaultInit = kFALSE ;
}
//____________________________________________________________________________
AliEMCALDigitizer::~AliEMCALDigitizer()
{
- // dtor
- AliEMCALGetter * gime =AliEMCALGetter::Instance(GetTitle(),fEventFolderName);
- gime->EmcalLoader()->CleanDigitizer();
+ //dtor
+ if (AliRunLoader::Instance()) {
+ AliLoader *emcalLoader=0;
+ if ((emcalLoader = AliRunLoader::Instance()->GetDetectorLoader("EMCAL")))
+ emcalLoader->CleanDigitizer();
+ }
+ else
+ AliDebug(1," no runloader present");
delete [] fInputFileNames ;
delete [] fEventNames ;
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Digitize(const Int_t event)
+void AliEMCALDigitizer::Digitize(Int_t event)
{
// Makes the digitization of the collected summable digits
// for this it first creates the array of all EMCAL modules
- // filled with noise (different for EMC, CPV and PPSD) and
- // after that adds contributions from SDigits. This design
- // helps to avoid scanning over the list of digits to add
- // contribution of any new SDigit.
-
- AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
- TClonesArray * digits = gime->Digits() ;
- digits->Clear() ;
+ // filled with noise and after that adds contributions from
+ // SDigits. This design helps to avoid scanning over the
+ // list of digits to add contribution of any new SDigit.
+ //
+ // JLK 26-Jun-2008
+ // Note that SDigit energy info is stored as an amplitude, so we
+ // must call the Calibrate() method of the SDigitizer to convert it
+ // back to an energy in GeV before adding it to the Digit
+ //
+ static int nEMC=0; //max number of digits possible
- const AliEMCALGeometry *geom = gime->EMCALGeometry() ;
+ AliRunLoader *rl = AliRunLoader::Instance();
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
+ Int_t readEvent = event ;
+ // fManager is data member from AliDigitizer
+ if (fManager)
+ readEvent = dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetCurrentEventNumber() ;
+ AliDebug(1,Form("Adding event %d from input stream 0 %s %s",
+ readEvent, GetTitle(), fEventFolderName.Data())) ;
+ rl->GetEvent(readEvent);
+
+ TClonesArray * digits = emcalLoader->Digits() ;
+ digits->Delete() ; //correct way to clear array when memory is
+ //allocated by objects stored in array
+
+ // Load Geometry
+ AliEMCALGeometry *geom = 0;
+ if (rl->GetAliRun()) {
+ AliEMCAL * emcal = (AliEMCAL*)rl->GetAliRun()->GetDetector("EMCAL");
+ geom = emcal->GetGeometry();
+ }
+ else
+ AliFatal("Could not get AliRun from runLoader");
- Int_t nEMC = 0 ;
- nEMC = geom->GetNPhi()*geom->GetNZ(); //max number of digits possible
+ nEMC = geom->GetNCells();
+ 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 ( !gime->SDigitizer() )
- gime->LoadSDigitizer();
- AliEMCALSDigitizer * sDigitizer = gime->SDigitizer();
+ if ( !emcalLoader->SDigitizer() )
+ emcalLoader->LoadSDigitizer();
+ AliEMCALSDigitizer * sDigitizer = dynamic_cast<AliEMCALSDigitizer*>(emcalLoader->SDigitizer());
if ( !sDigitizer )
Fatal("Digitize", "SDigitizer with name %s %s not found", fEventFolderName.Data(), GetTitle() ) ;
//take all the inputs to add together and load the SDigits
TObjArray * sdigArray = new TObjArray(fInput) ;
- sdigArray->AddAt(gime->SDigits(), 0) ;
+ sdigArray->AddAt(emcalLoader->SDigits(), 0) ;
Int_t i ;
+
for(i = 1 ; i < fInput ; i++){
TString tempo(fEventNames[i]) ;
tempo += i ;
- AliEMCALGetter * gime = AliEMCALGetter::Instance(fInputFileNames[i], tempo) ;
- gime->Event(event,"S");
- sdigArray->AddAt(gime->SDigits(), i) ;
+
+ AliRunLoader * rl2 = AliRunLoader::GetRunLoader(tempo) ;
+
+ if (rl2==0)
+ rl2 = AliRunLoader::Open(fInputFileNames[i], tempo) ;
+
+ if (fManager)
+ readEvent = dynamic_cast<AliStream*>(fManager->GetInputStream(i))->GetCurrentEventNumber() ;
+ Info("Digitize", "Adding event %d from input stream %d %s %s", readEvent, i, fInputFileNames[i].Data(), tempo.Data()) ;
+ rl2->LoadSDigits();
+ rl2->GetEvent(readEvent);
+ AliEMCALLoader *emcalLoader2 = dynamic_cast<AliEMCALLoader*>(rl2->GetDetectorLoader("EMCAL"));
+ sdigArray->AddAt(emcalLoader2->SDigits(), i) ;
}
//Find the first tower with signal
Int_t curNext = dynamic_cast<AliEMCALDigit *>(sdigits->At(0))->GetId() ;
if(curNext < nextSig)
nextSig = curNext ;
+ AliDebug(1,Form("input %i : #sdigits %i \n",
+ i, sdigits->GetEntriesFast()));
}
+ AliDebug(1,Form("FIRST tower with signal %i \n", nextSig));
TArrayI index(fInput) ;
index.Reset() ; //Set all indexes to zero
AliEMCALDigit * digit ;
AliEMCALDigit * curSDigit ;
- TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
+ // TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
//Put Noise contribution
- for(absID = 1; absID <= nEMC; absID++){
- Float_t amp = 0 ;
+ for(absID = 0; absID < nEMC; absID++){ // Nov 30, 2006 by PAI; was from 1 to nEMC
+ Float_t energy = 0 ;
// amplitude set to zero, noise will be added later
- new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID, 0, TimeOfNoise() ) ;
+ new((*digits)[absID]) AliEMCALDigit( -1, -1, absID, 0, TimeOfNoise() ); // absID-1->absID
//look if we have to add signal?
- digit = dynamic_cast<AliEMCALDigit *>(digits->At(absID-1)) ;
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At(absID)); // absID-1->absID
if(absID==nextSig){
//Add SDigits from all inputs
- ticks->Clear() ;
- Int_t contrib = 0 ;
- Float_t a = digit->GetAmp() ;
- Float_t b = TMath::Abs( a /fTimeSignalLength) ;
+ // 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);
+ //new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b);
//Mark the end of the signal
- new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
+ //new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
+
+ // Calculate time as time of the largest digit
+ Float_t time = digit->GetTime() ;
+ Float_t aTime= digit->GetAmp() ;
// loop over input
for(i = 0; i< fInput ; i++){ //loop over (possible) merge sources
else
primaryoffset = i ;
curSDigit->ShiftPrimary(primaryoffset) ;
-
- a = curSDigit->GetAmp() ;
- b = a /fTimeSignalLength ;
- new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b);
- new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b);
- *digit = *digit + *curSDigit ; //add energies
+ //Remove old timing model - JLK 28-April-2008
+ //a = curSDigit->GetAmp() ;
+ //b = a /fTimeSignalLength ;
+ //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b);
+ //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b);
+ if(curSDigit->GetAmp()>aTime) {
+ aTime = curSDigit->GetAmp();
+ time = curSDigit->GetTime();
+ }
+
+ *digit = *digit + *curSDigit ; //adds amplitudes of each digit
index[i]++ ;
if( dynamic_cast<TClonesArray *>(sdigArray->At(i))->GetEntriesFast() > index[i] )
- curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
+ curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
else
curSDigit = 0 ;
}
}
+ //Here we convert the summed amplitude to an energy in GeV
+ energy = sDigitizer->Calibrate(digit->GetAmp()) ; // GeV
// add fluctuations for photo-electron creation
- amp = sDigitizer->Calibrate(digit->GetAmp()) ; // GeV
- amp *= static_cast<Float_t>(gRandom->Poisson(fMeanPhotonElectron)) / static_cast<Float_t>(fMeanPhotonElectron) ;
+ energy *= static_cast<Float_t>(gRandom->Poisson(fMeanPhotonElectron)) / static_cast<Float_t>(fMeanPhotonElectron) ;
//calculate and set time
- Float_t time = FrontEdgeTime(ticks) ;
+ //New timing model needed - JLK 28-April-2008
+ //Float_t time = FrontEdgeTime(ticks) ;
digit->SetTime(time) ;
//Find next signal module
}
}
// add the noise now
- amp += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ;
- digit->SetAmp(sDigitizer->Digitize(amp)) ;
- }
+ energy += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ;
+ // JLK 26-June-2008
+ //Now digitize the energy according to the sDigitizer method,
+ //which merely converts the energy to an integer. Later we will
+ //check that the stored value matches our allowed dynamic ranges
+ digit->SetAmp(sDigitizer->Digitize(energy)) ;
+ AliDebug(10,Form(" absID %5i energy %f nextSig %5i\n",
+ absID, energy, nextSig));
+ } // for(absID = 0; absID < nEMC; absID++)
- ticks->Delete() ;
- delete ticks ;
+ //ticks->Delete() ;
+ //delete ticks ;
+ //JLK is it better to call Clear() here?
delete sdigArray ; //We should not delete its contents
//remove digits below thresholds
for(i = 0 ; i < nEMC ; i++){
digit = dynamic_cast<AliEMCALDigit*>( digits->At(i) ) ;
- Float_t threshold = fDigitThreshold ;
+ Float_t threshold = fDigitThreshold ; //this is in GeV
+ //need to calibrate digit amplitude to energy in GeV for comparison
if(sDigitizer->Calibrate( digit->GetAmp() ) < threshold)
digits->RemoveAt(i) ;
else
digits->Compress() ;
Int_t ndigits = digits->GetEntriesFast() ;
- digits->Expand(ndigits) ;
-
- //Set indexes in list of digits
+
+ //JLK 26-June-2008
+ //After we have done the summing and digitizing to create the
+ //digits, now we want to calibrate the resulting amplitude to match
+ //the dynamic range of our real data.
+ Float_t energy=0;
for (i = 0 ; i < ndigits ; i++) {
digit = dynamic_cast<AliEMCALDigit *>( digits->At(i) ) ;
digit->SetIndexInList(i) ;
- Float_t energy = sDigitizer->Calibrate(digit->GetAmp()) ;
- digit->SetAmp(DigitizeEnergy(energy) ) ;
+ energy = sDigitizer->Calibrate(digit->GetAmp()) ;
+ digit->SetAmp(DigitizeEnergy(energy, digit->GetId()) ) ;
}
-}
-//____________________________________________________________________________
+}
-Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy)
+// //_____________________________________________________________________
+Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t AbsId)
{
+ // JLK 26-June-2008
+ // Returns digitized value of the energy in a cell absId
+ // using the calibration constants stored in the OCDB
+ // or default values if no CalibData object is found.
+ // This effectively converts everything to match the dynamic range
+ // of the real data we will collect
+ //
+ // Load Geometry
+ const AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
+
+ if (geom==0)
+ AliFatal("Did not get geometry from EMCALLoader");
+
+ Int_t iSupMod = -1;
+ Int_t nModule = -1;
+ Int_t nIphi = -1;
+ Int_t nIeta = -1;
+ Int_t iphi = -1;
+ Int_t ieta = -1;
Int_t channel = -999;
+
+ Bool_t bCell = geom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ;
+ if(!bCell)
+ Error("DigitizeEnergy","Wrong cell id number : AbsId %i ", AbsId) ;
+ geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
+
+ if(fCalibData) {
+ fADCpedestalEC = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
+ fADCchannelEC = fCalibData->GetADCchannel(iSupMod,ieta,iphi);
+ }
+
channel = static_cast<Int_t> (TMath::Ceil( (energy + fADCpedestalEC)/fADCchannelEC )) ;
+
if(channel > fNADCEC )
channel = fNADCEC ;
return channel ;
+
}
//____________________________________________________________________________
void AliEMCALDigitizer::Exec(Option_t *option)
{
- // Managing method
+ // Steering method to process digitization for events
+ // in the range from fFirstEvent to fLastEvent.
+ // This range is optionally set by SetEventRange().
+ // if fLastEvent=-1, then process events until the end.
+ // by default fLastEvent = fFirstEvent (process only one event)
if (!fInit) { // to prevent overwrite existing file
Error( "Exec", "Give a version name different from %s", fEventFolderName.Data() ) ;
}
if (strstr(option,"print")) {
+
Print();
return ;
}
if(strstr(option,"tim"))
gBenchmark->Start("EMCALDigitizer");
- if (fManager)
- fInput = fManager->GetNinputs() ;
-
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
-
- Int_t nevents = gime->MaxEvent() ;;
+ AliRunLoader *rl = AliRunLoader::Instance();
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
+
+ // Post Digitizer to the white board
+ emcalLoader->PostDigitizer(this) ;
- Int_t ievent ;
+ if (fLastEvent == -1) {
+ fLastEvent = rl->GetNumberOfEvents() - 1 ;
+ }
+ else if (fManager)
+ fLastEvent = fFirstEvent ; // what is this ??
+
+ Int_t nEvents = fLastEvent - fFirstEvent + 1;
+ Int_t ievent;
- for(ievent = 0; ievent < nevents; ievent++){
+ rl->LoadSDigits("EMCAL");
+ for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
- gime->Event(ievent,"S") ;
+ rl->GetEvent(ievent);
Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
if(strstr(option,"deb"))
PrintDigits(option);
+ if(strstr(option,"table")) gObjectTable->Print();
//increment the total number of Digits per run
- fDigitsInRun += gime->Digits()->GetEntriesFast() ;
+ fDigitsInRun += emcalLoader->Digits()->GetEntriesFast() ;
}
+ emcalLoader->CleanDigitizer() ;
+
if(strstr(option,"tim")){
gBenchmark->Stop("EMCALDigitizer");
- printf("Exec: took %f seconds for Digitizing %f seconds per event",
- gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nevents ) ;
+ AliInfo(Form("Exec: took %f seconds for Digitizing %f seconds per event",
+ gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nEvents )) ;
}
}
{
// Makes all memory allocations
fInit = kTRUE ;
- AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
- if ( gime == 0 ) {
- Error("Init", "Could not obtain the Getter object for file %s and event %s !", GetTitle(), fEventFolderName.Data()) ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+
+ if ( emcalLoader == 0 ) {
+ Fatal("Init", "Could not obtain the AliEMCALLoader");
return kFALSE;
}
-
- TString opt("Digits") ;
- if(gime->VersionExists(opt) ) {
- Error( "Init", "Give a version name different from %s", fEventFolderName.Data() ) ;
- fInit = kFALSE ;
- }
- // Post Digitizer to the white board
- gime->PostDigitizer(this) ;
-
+ fFirstEvent = 0 ;
+ fLastEvent = fFirstEvent ;
+
if(fManager)
fInput = fManager->GetNinputs() ;
else
}
//to prevent cleaning of this object while GetEvent is called
- gime->EmcalLoader()->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
-
+ emcalLoader->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
+
+ //Calibration instance
+ fCalibData = emcalLoader->CalibData();
return fInit ;
}
//____________________________________________________________________________
void AliEMCALDigitizer::InitParameters()
-{
- fMeanPhotonElectron = 18200 ; // electrons per GeV
- fPinNoise = 0.1 ; // noise equivalent GeV (random choice)
+{
+ // Parameter initialization for digitizer
+ // Tune parameters - 24-nov-04; Apr 29, 2007
+ // New parameters JLK 14-Apr-2008
+
+ fMeanPhotonElectron = 4400; // electrons per GeV
+ fPinNoise = 0.037; // pin noise in GEV from analysis test beam data
if (fPinNoise == 0. )
Warning("InitParameters", "No noise added\n") ;
- fDigitThreshold = fPinNoise * 3; //2 sigma
- fTimeResolution = 1.0e-9 ;
+ fDigitThreshold = fPinNoise * 3; // 3 * sigma
+ fTimeResolution = 0.3e-9 ; // 300 psc
fTimeSignalLength = 1.0e-9 ;
- fADCchannelEC = 0.00050; // width of one ADC channel in GeV
- fADCpedestalEC = 0.005 ; // GeV
- fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
+ // These defaults are normally not used.
+ // Values are read from calibration database instead
+ fADCchannelEC = 0.0153; // Update 24 Apr 2007: 250./16/1024 - width of one ADC channel in GeV
+ fADCpedestalEC = 0.0 ; // GeV
+ fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536
+
+ fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ??
- fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
-
}
//__________________________________________________________________
-void AliEMCALDigitizer::MixWith(const TString alirunFileName, const TString eventFolderName)
+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
return ;
}
// looking for the file which contains SDigits
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
- TString fileName( gime->GetSDigitsFileName() ) ;
- if ( eventFolderName != AliConfig::fgkDefaultEventFolderName) // only if not the default folder name
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+ TString fileName( emcalLoader->GetSDigitsFileName() ) ;
+ if ( eventFolderName != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name
fileName = fileName.ReplaceAll(".root", "") + "_" + eventFolderName + ".root" ;
if ( (gSystem->AccessPathName(fileName)) ) {
Error("MixWith", "The file %s does not exist!", fileName.Data()) ;
return ;
}
// need to increase the arrays
+ // MvL: This code only works when fInput == 1, I think.
TString tempo = fInputFileNames[fInput-1] ;
delete [] fInputFileNames ;
fInputFileNames = new TString[fInput+1] ;
fEventNames[fInput] = eventFolderName ;
fInput++ ;
}
-
+
+//__________________________________________________________________
+void AliEMCALDigitizer::Print1(Option_t * option)
+{ // 19-nov-04 - just for convinience
+ Print();
+ PrintDigits(option);
+}
+
//__________________________________________________________________
-void AliEMCALDigitizer::Print()const
+void AliEMCALDigitizer::Print(Option_t*)const
{
// Print Digitizer's parameters
printf("Print: \n------------------- %s -------------", GetName() ) ;
nStreams = fInput ;
Int_t index = 0 ;
+
+ AliRunLoader *rl=0;
+
for (index = 0 ; index < nStreams ; index++) {
TString tempo(fEventNames[index]) ;
tempo += index ;
- AliEMCALGetter * gime = AliEMCALGetter::Instance(fInputFileNames[index], tempo) ;
- TString fileName( gime->GetSDigitsFileName() ) ;
- if ( fEventNames[index] != AliConfig::fgkDefaultEventFolderName) // only if not the default folder name
+ if ((rl = AliRunLoader::GetRunLoader(tempo)) == 0)
+ rl = AliRunLoader::Open(fInputFileNames[index], tempo) ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(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()) ;
}
- AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
- printf("\nWriting digits to %s", gime->GetDigitsFileName().Data()) ;
+
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+
+ printf("\nWriting digits to %s", emcalLoader->GetDigitsFileName().Data()) ;
printf("\nWith following parameters:\n") ;
}
//__________________________________________________________________
-void AliEMCALDigitizer::PrintDigits(Option_t * option){
-
- AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
- TClonesArray * digits = gime->Digits() ;
+void AliEMCALDigitizer::PrintDigits(Option_t * option)
+{
+ //utility method for printing digit information
+
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+ TClonesArray * digits = emcalLoader->Digits() ;
+ TClonesArray * sdigits = emcalLoader->SDigits() ;
- printf("PrintDigits: %d", digits->GetEntriesFast()) ;
- printf("\nevent %d", gAlice->GetEvNumber()) ;
- printf("\n Number of entries in Digits list %d", digits->GetEntriesFast() ) ;
+ printf("\n #Digits: %d : sdigits %d ", digits->GetEntriesFast(), sdigits->GetEntriesFast()) ;
+ printf("\n event %d", emcalLoader->GetRunLoader()->GetEventNumber());
if(strstr(option,"all")){
//loop over digits
}
}
}
+ printf("\n");
}
//__________________________________________________________________
Float_t AliEMCALDigitizer::TimeOfNoise(void)
-{ // Calculates the time signal generated by noise
- //to be rewritten, now returns just big number
- return 1. ;
-
+{
+ // Calculates the time signal generated by noise
+ //PH Info("TimeOfNoise", "Change me") ;
+ return gRandom->Rndm() * 1.28E-5;
}
//__________________________________________________________________
void AliEMCALDigitizer::Unload()
{
// Unloads the SDigits and Digits
+ AliRunLoader *rl=0;
+
Int_t i ;
for(i = 1 ; i < fInput ; i++){
TString tempo(fEventNames[i]) ;
- tempo += i ;
- AliEMCALGetter * gime = AliEMCALGetter::Instance(fInputFileNames[i], tempo) ;
- gime->EmcalLoader()->UnloadSDigits() ;
+ tempo += i;
+ if ((rl = AliRunLoader::GetRunLoader(tempo)))
+ rl->GetDetectorLoader("EMCAL")->UnloadSDigits() ;
}
-
- AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
- gime->EmcalLoader()->UnloadDigits() ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+ emcalLoader->UnloadDigits() ;
}
//_________________________________________________________________________________________
// and branch "AliEMCALDigitizer", with the same title to keep all the parameters
// and names of files, from which digits are made.
- AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName) ;
- const TClonesArray * digits = gime->Digits() ;
- TTree * treeD = gime->TreeD();
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+
+ const TClonesArray * digits = emcalLoader->Digits() ;
+ TTree * treeD = emcalLoader->TreeD();
+ if ( !treeD ) {
+ emcalLoader->MakeDigitsContainer();
+ treeD = emcalLoader->TreeD();
+ }
// -- create Digits branch
Int_t bufferSize = 32000 ;
- TBranch * digitsBranch = treeD->Branch("EMCAL",&digits,bufferSize);
- digitsBranch->SetTitle(fEventFolderName);
- digitsBranch->Fill() ;
+ 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() ;
- gime->WriteDigits("OVERWRITE");
- gime->WriteDigitizer("OVERWRITE");
+ emcalLoader->WriteDigits("OVERWRITE");
+ emcalLoader->WriteDigitizer("OVERWRITE");
Unload() ;
}
+//__________________________________________________________________
+void AliEMCALDigitizer::Browse(TBrowser* b)
+{
+ TTask::Browse(b);
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff