//_________________________________________________________________________
//
//////////////////////////////////////////////////////////////////////////////
-// 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.
//
//
//*-- Author: Sahal Yacoob (LBL)
// based on : AliEMCALDigitizer
+// Modif:
+// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
+// of new IO (à la PHOS)
+// November 2003 Aleksei Pavlinov : adopted for Shish-Kebab geometry
//_________________________________________________________________________________
// --- ROOT system ---
-#include "TFile.h"
-#include "TTree.h"
-#include "TSystem.h"
-#include "TROOT.h"
-#include "TFolder.h"
-#include "TObjString.h"
-#include "TBenchmark.h"
-// --- Standard library ---
-#include <iomanip.h>
+#include <TROOT.h>
+#include <TTree.h>
+#include <TSystem.h>
+#include <TBenchmark.h>
+#include <TBrowser.h>
+#include <TObjectTable.h>
+#include <TRandom.h>
+#include <TF1.h>
+#include <cassert>
// --- AliRoot header files ---
-
+#include "AliLog.h"
#include "AliRun.h"
+#include "AliRunDigitizer.h"
+#include "AliRunLoader.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
#include "AliEMCALDigit.h"
-#include "AliEMCALHit.h"
-#include "AliEMCALTick.h"
-#include "AliEMCALv1.h"
+#include "AliEMCAL.h"
+#include "AliEMCALLoader.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
-#include "AliEMCALGetter.h"
-#include "AliRunDigitizer.h"
-ClassImp(AliEMCALDigitizer)
-
+//#include "AliEMCALTick.h"
+#include "AliEMCALCalibData.h"
+#include "AliEMCALSimParam.h"
+#include "AliEMCALRawDigit.h"
-//____________________________________________________________________________
- AliEMCALDigitizer::AliEMCALDigitizer()
+namespace
{
- // ctor
-
- fSDigitizer = 0 ;
- fNinputs = 1 ;
- fPinNoise = 0.00001 ;
- fTowerDigitThreshold = 0.001 ;
- fTimeResolution = 0.5e-9 ;
- fTimeSignalLength = 1.0e-9 ;
- fPreShowerDigitThreshold = fTowerDigitThreshold/25. ;
- fADCchannelTower = 0.003; // width of one ADC channel in GeV
- fADCpedestalTower = 0.005 ; // pedestal of ADC
- fNADCTower = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
-
- fADCchannelPreSho = 0.0003 ; // width of one ADC channel in Pre Shower
- fADCpedestalPreSho = 0.005 ; // pedestal of ADC
- fNADCPreSho = (Int_t) TMath::Power(2,12); // number of channels in Pre Shower ADC
- fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
- fManager = 0 ;
+ 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)
-}
//____________________________________________________________________________
-Bool_t AliEMCALDigitizer::Init()
+AliEMCALDigitizer::AliEMCALDigitizer()
+ : AliDigitizer("",""),
+ fDefaultInit(kTRUE),
+ fDigitsInRun(0),
+ fInit(0),
+ fInput(0),
+ fInputFileNames(0x0),
+ fEventNames(0x0),
+ fDigitThreshold(0),
+ fMeanPhotonElectron(0),
+// fPedestal(0), //Not used, remove?
+// fSlope(0), //Not used, remove?
+ fPinNoise(0),
+ fTimeDelay(0),
+ fTimeResolution(0),
+// fTimeThreshold(0), //Not used, remove?
+// fTimeSignalLength(0), //Not used, remove?
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(""),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
- // Makes all memory allocations
-
- fSDigitizer = 0 ;
- fNinputs = 1 ;
- fPinNoise = 0.00001 ;
- fTowerDigitThreshold = 0.001 ;
- fTimeResolution = 0.5e-9 ;
- fTimeSignalLength = 1.0e-9 ;
- fPreShowerDigitThreshold = fTowerDigitThreshold/25. ;
- fInitialized = kFALSE ;
- fADCchannelTower = 0.003; // width of one ADC channel in GeV
- fADCpedestalTower = 0.005 ; // GeV
- fNADCTower = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
-
- fADCchannelPreSho = 0.0003 ; // width of one ADC channel in Pre Shower
- fADCpedestalPreSho = 0.005 ; //
- fNADCPreSho = (Int_t) TMath::Power(2,12); // number of channels in Pre ShowerADC
-
- fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
-
-
-
-if(fManager)
- SetTitle("aliroot") ;
- else if (strcmp(GetTitle(),"")==0)
- SetTitle("galice.root") ;
-
- if( strcmp(GetName(), "") == 0 )
- SetName("Default") ;
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), "update") ;
- if ( gime == 0 ) {
- cerr << "ERROR: AliEMCALDigitizer::Init -> Could not obtain the Getter object !" << endl ;
- return kFALSE;
- }
-
- //const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
- //fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ;
-
- // Post Digits to the white board
- gime->PostDigits(GetName() ) ;
-
- // Post Digitizer to the white board
- gime->PostDigitizer(this) ;
-
- //Mark that we will use current header file
- if(!fManager){
- gime->PostSDigits(GetName(),GetTitle()) ;
- gime->PostSDigitizer(GetName(),GetTitle()) ;
- }
- return kTRUE ;
-
-
-
+ // ctor
+ InitParameters() ;
+ fManager = 0 ; // We work in the standalone mode
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile,const char *name)
+AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName)
+ : AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), alirunFileName),
+ fDefaultInit(kFALSE),
+ fDigitsInRun(0),
+ fInit(0),
+ fInput(0),
+ fInputFileNames(0),
+ fEventNames(0),
+ fDigitThreshold(0),
+ fMeanPhotonElectron(0),
+// fPedestal(0),//Not used, remove?
+// fSlope(0), //Not used, remove?
+ fPinNoise(0),
+ fTimeDelay(0),
+ fTimeResolution(0),
+// fTimeThreshold(0), //Not used, remove?
+// fTimeSignalLength(0), //Not used, remove?
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(eventFolderName),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
- SetName(name) ;
- SetTitle(headerFile) ;
- fManager = 0 ; // We work in the standalong mode
+ // ctor
+ InitParameters() ;
Init() ;
-
-
-
+ fManager = 0 ; // We work in the standalone mode
}
+
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * ard):AliDigitizer(ard)
+AliEMCALDigitizer::AliEMCALDigitizer(const AliEMCALDigitizer & d)
+ : AliDigitizer(d.GetName(),d.GetTitle()),
+ fDefaultInit(d.fDefaultInit),
+ fDigitsInRun(d.fDigitsInRun),
+ fInit(d.fInit),
+ fInput(d.fInput),
+ fInputFileNames(d.fInputFileNames),
+ fEventNames(d.fEventNames),
+ fDigitThreshold(d.fDigitThreshold),
+ fMeanPhotonElectron(d.fMeanPhotonElectron),
+// fPedestal(d.fPedestal), //Not used, remove?
+// fSlope(d.fSlope), //Not used, remove?
+ fPinNoise(d.fPinNoise),
+ fTimeDelay(d.fTimeDelay),
+ fTimeResolution(d.fTimeResolution),
+// fTimeThreshold(d.fTimeThreshold), //Not used, remove?
+// fTimeSignalLength(d.fTimeSignalLength), //Not used, remove?
+ fADCchannelEC(d.fADCchannelEC),
+ fADCpedestalEC(d.fADCpedestalEC),
+ fNADCEC(d.fNADCEC),
+ fEventFolderName(d.fEventFolderName),
+ fFirstEvent(d.fFirstEvent),
+ fLastEvent(d.fLastEvent),
+ fCalibData(d.fCalibData)
{
- // ctor
- SetName(""); //Will call init in the digitizing
- SetTitle("aliroot") ;
+ // copyy ctor
}
//____________________________________________________________________________
- AliEMCALDigitizer::~AliEMCALDigitizer()
+AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * rd)
+ : AliDigitizer(rd,"EMCAL"+AliConfig::Instance()->GetDigitizerTaskName()),
+ fDefaultInit(kFALSE),
+ fDigitsInRun(0),
+ fInit(0),
+ fInput(0),
+ fInputFileNames(0),
+ fEventNames(0),
+ fDigitThreshold(0),
+ fMeanPhotonElectron(0),
+// fPedestal(0), //Not used, remove?
+// fSlope(0.), //Not used, remove?
+ fPinNoise(0.),
+ fTimeDelay(0.),
+ fTimeResolution(0.),
+// fTimeThreshold(0), //Not used, remove?
+// fTimeSignalLength(0), //Not used, remove?
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(0),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
- // dtor
-
+ // ctor Init() is called by RunDigitizer
+ fManager = rd ;
+ fEventFolderName = fManager->GetInputFolderName(0) ;
+ SetTitle(dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetFileName(0));
+ InitParameters() ;
}
-//____________________________________________________________________________
-void AliEMCALDigitizer::Reset() {
- //sets current event number to the first simulated event
-if( strcmp(GetName(), "") == 0 )
- Init() ;
- // Int_t inputs ;
- // for(inputs = 0; inputs < fNinputs ;inputs++)
- // fIevent->AddAt(-1, inputs ) ;
+//____________________________________________________________________________
+ AliEMCALDigitizer::~AliEMCALDigitizer()
+{
+ //dtor
+ if (AliRunLoader::Instance()) {
+ AliLoader *emcalLoader=0;
+ if ((emcalLoader = AliRunLoader::Instance()->GetDetectorLoader("EMCAL")))
+ emcalLoader->CleanDigitizer();
+ }
+ else
+ AliDebug(1," no runloader present");
+
+ delete [] fInputFileNames ;
+ delete [] fEventNames ;
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Digitize(const Int_t event) {
-
+void AliEMCALDigitizer::Digitize(Int_t event)
+{
+
// Makes the digitization of the collected summable digits
// for this it first creates the array of all EMCAL modules
- // filled with noise (different for EMC, CPV and PPSD) and
- // after that adds contributions from SDigits. This design
- // helps to avoid scanning over the list of digits to add
- // contribution of any new SDigit.
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- TClonesArray * digits = gime->Digits(GetName()) ;
+ // filled with noise and after that adds contributions from
+ // SDigits. This design helps to avoid scanning over the
+ // list of digits to add contribution of any new SDigit.
+ //
+ // JLK 26-Jun-2008
+ // Note that SDigit energy info is stored as an amplitude, so we
+ // must call the Calibrate() method of the SDigitizer to convert it
+ // back to an energy in GeV before adding it to the Digit
+ //
+ static int nEMC=0; //max number of digits possible
- digits->Clear() ;
-
- const AliEMCALGeometry *geom = gime->EMCALGeometry() ;
-
-
- //Making digits with noise, first EMC
- Int_t nEMC = 2*geom->GetNPhi()*geom->GetNZ();
- Int_t absID ;
- TString name = geom->GetName() ;
-
- // get first the sdigitizer from the tasks list (must have same name as the digitizer)
- const AliEMCALSDigitizer * sDigitizer = gime->SDigitizer(GetName());
- if ( !sDigitizer) {
- cerr << "ERROR: AliEMCALDigitizer::Digitize -> SDigitizer with name " << GetName() << " not found " << endl ;
- abort() ;
+ 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();
}
-
-// loop through the sdigits posted to the White Board and add them to the noise
- TCollection * folderslist = gime->SDigitsFolder()->GetListOfFolders() ;
- TIter next(folderslist) ;
- TFolder * folder = 0 ;
- TClonesArray * sdigits = 0 ;
- Int_t input = 0 ;
- TObjArray * sdigArray = new TObjArray(2) ;
- while ( (folder = (TFolder*)next()) )
- if ( (sdigits = (TClonesArray*)folder->FindObject(GetName()) ) ) {
- cout << "INFO: AliEMCALDigitizer::Digitize -> Adding SDigits "
- << GetName() << " from " << folder->GetName() << endl ;
- sdigArray->AddAt(sdigits, input) ;
- input++ ;
- }
-
- //Find the first tower with signal
- Int_t nextSig = 200000 ;
- Int_t i;
- for(i=0; i<input; i++){
- sdigits = (TClonesArray *)sdigArray->At(i) ;
- if ( !sdigits->GetEntriesFast() )
- continue ;
- Int_t curNext = ((AliEMCALDigit *)sdigits->At(0))->GetId() ;
- if(curNext < nextSig)
- nextSig = curNext ;
+ else
+ AliFatal("Could not get AliRun from runLoader");
+
+ nEMC = geom->GetNCells();
+ AliDebug(1,Form("nEMC %i (number cells in EMCAL) | %s \n", nEMC, geom->GetName()));
+
+ Int_t absID = -1 ;
+
+ digits->Expand(nEMC) ;
+
+ // get first the sdigitizer from the tasks list (must have same name as the digitizer)
+ if ( !emcalLoader->SDigitizer() )
+ emcalLoader->LoadSDigitizer();
+ AliEMCALSDigitizer * sDigitizer = dynamic_cast<AliEMCALSDigitizer*>(emcalLoader->SDigitizer());
+
+ if (!sDigitizer )
+ {
+ Fatal("Digitize", "SDigitizer with name %s %s not found", fEventFolderName.Data(), GetTitle() ) ;
}
-
- TArrayI index(input) ;
- index.Reset() ; //Set all indexes to zero
-
- AliEMCALDigit * digit = 0 ;
- AliEMCALDigit * curSDigit = 0 ;
-
- TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
-
- //Put Noise contribution
- for(absID = 1; absID <= nEMC; absID++){
- Float_t noise = gRandom->Gaus(0., fPinNoise);
- new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID,sDigitizer->Digitize(noise), TimeOfNoise() ) ;
- //look if we have to add signal?
- if(absID==nextSig){
- //Add SDigits from all inputs
- digit = (AliEMCALDigit *) digits->At(absID-1) ;
+ else
+ {
+ //take all the inputs to add together and load the SDigits
+ TObjArray * sdigArray = new TObjArray(fInput) ;
+ sdigArray->AddAt(emcalLoader->SDigits(), 0) ;
+
+ Int_t i ;
+ for(i = 1 ; i < fInput ; i++){
+ TString tempo(fEventNames[i]) ;
+ tempo += i ;
- ticks->Clear() ;
- Int_t contrib = 0 ;
- Float_t a = digit->GetAmp() ;
- Float_t b = TMath::Abs( a /fTimeSignalLength) ;
- //Mark the beginnign of the signal
- new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b);
- //Mark the end of the ignal
- new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
+ AliRunLoader * rl2 = AliRunLoader::GetRunLoader(tempo) ;
- // loop over input
-
- for(i = 0; i< input ; i++){ //loop over (possible) merge sources
- if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
- curSDigit = (AliEMCALDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;
- else
- curSDigit = 0 ;
- //May be several digits will contribute from the same input
- while(curSDigit && curSDigit->GetId() == absID){
- //Shift primary to separate primaries belonging different inputs
- Int_t primaryoffset ;
- if(fManager)
- primaryoffset = fManager->GetMask(i) ;
- else
- primaryoffset = i ;
- curSDigit->ShiftPrimary(primaryoffset) ;
-
- a = curSDigit->GetAmp() ;
- b = a /fTimeSignalLength ;
- new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b);
- new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b);
-
- *digit = *digit + *curSDigit ; //add energies
-
- index[i]++ ;
- if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
- curSDigit = (AliEMCALDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;
- else
- curSDigit = 0 ;
- }
- }
-
-//calculate and set time
- Float_t time = FrontEdgeTime(ticks) ;
- digit->SetTime(time) ;
-
- //Find next signal module
- nextSig = 200000 ;
- for(i=0; i<input; i++){
- sdigits = ((TClonesArray *)sdigArray->At(i)) ;
- Int_t curNext = nextSig ;
- if(sdigits->GetEntriesFast() > index[i] ){
- curNext = ((AliEMCALDigit *) sdigits->At(index[i]))->GetId() ;
-
- }
- if(curNext < nextSig) nextSig = curNext ;
+ 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);
+ if(rl2->GetDetectorLoader("EMCAL"))
+ {
+ AliEMCALLoader *emcalLoader2 = dynamic_cast<AliEMCALLoader*>(rl2->GetDetectorLoader("EMCAL"));
+ sdigArray->AddAt(emcalLoader2->SDigits(), i) ;
}
+ else Fatal("Digitize", "Loader of second input not found");
}
- }
-
- ticks->Delete() ;
- delete ticks ;
-
-
+
+ //Find the first tower with signal
+ Int_t nextSig = nEMC + 1 ;
+ TClonesArray * sdigits ;
+ for(i = 0 ; i < fInput ; i++){
+
+ sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
+ if(sdigits){
+ if (sdigits->GetEntriesFast() ){
+ if(sdigits->At(0)){
+
+ 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()));
+
+ }//First entry is not NULL
+ else {
+ Info("Digitize", "NULL sdigit pointer");
+ continue;
+ }
+ }//There is at least one entry
+ else {
+ Info("Digitize", "NULL sdigits array");
+ continue;
+ }
+ }// SDigits array exists
+ else {
+ Info("Digitizer","Null sdigit pointer");
+ continue;
+ }
+ }// input loop
+ AliDebug(1,Form("FIRST tower with signal %i \n", nextSig));
+
+ TArrayI index(fInput) ;
+ index.Reset() ; //Set all indexes to zero
+
+ AliEMCALDigit * digit ;
+ AliEMCALDigit * curSDigit ;
+
+ // TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
+
+ //Put Noise contribution
+ for(absID = 0; absID < nEMC; absID++){ // Nov 30, 2006 by PAI; was from 1 to nEMC
+ Float_t energy = 0 ;
+ // amplitude set to zero, noise will be added later
+ new((*digits)[absID]) AliEMCALDigit( -1, -1, absID, 0., TimeOfNoise(),kFALSE); // absID-1->absID
+ //look if we have to add signal?
+
+ digit = dynamic_cast<AliEMCALDigit *>(digits->At(absID)); // absID-1->absID
+
+ if (digit) {
+
+ if(absID==nextSig){
+ //Add SDigits from all inputs
+ // ticks->Clear() ;
+ //Int_t contrib = 0 ;
+
+ //Follow PHOS and comment out this timing model til a better one
+ //can be developed - JLK 28-Apr-2008
+
+ //Float_t a = digit->GetAmplitude() ;
+ //Float_t b = TMath::Abs( a /fTimeSignalLength) ;
+ //Mark the beginning of the signal
+ //new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b);
+ //Mark the end of the signal
+ //new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
+
+ // Calculate time as time of the largest digit
+ Float_t time = digit->GetTime() ;
+ Float_t aTime= digit->GetAmplitude() ;
+
+ // loop over input
+ for(i = 0; i< fInput ; i++){ //loop over (possible) merge sources
+ if(sdigArray->At(i)) {
+ Int_t sDigitEntries = dynamic_cast<TClonesArray *>(sdigArray->At(i))->GetEntriesFast();
+
+ if(sDigitEntries > index[i] )
+ curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
+ else
+ curSDigit = 0 ;
+
+ //May be several digits will contribute from the same input
+ while(curSDigit && (curSDigit->GetId() == absID)){
+ //Shift primary to separate primaries belonging different inputs
+ Int_t primaryoffset ;
+ if(fManager)
+ primaryoffset = fManager->GetMask(i) ;
+ else
+ primaryoffset = i ;
+ curSDigit->ShiftPrimary(primaryoffset) ;
+
+ //Remove old timing model - JLK 28-April-2008
+ //a = curSDigit->GetAmplitude() ;
+ //b = a /fTimeSignalLength ;
+ //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b);
+ //new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b);
+ if(curSDigit->GetAmplitude()>aTime) {
+ aTime = curSDigit->GetAmplitude();
+ time = curSDigit->GetTime();
+ }
+
+ *digit = *digit + *curSDigit ; //adds amplitudes of each digit
+
+ index[i]++ ;
+ if( sDigitEntries > index[i] )
+ curSDigit = dynamic_cast<AliEMCALDigit*>(dynamic_cast<TClonesArray *>(sdigArray->At(i))->At(index[i])) ;
+ else
+ curSDigit = 0 ;
+ }// while
+ }// source exists
+ }// loop over merging sources
+
+ //Here we convert the summed amplitude to an energy in GeV
+ energy = sDigitizer->Calibrate(digit->GetAmplitude()) ; // GeV
+ // add fluctuations for photo-electron creation
+ energy *= static_cast<Float_t>(gRandom->Poisson(fMeanPhotonElectron)) / static_cast<Float_t>(fMeanPhotonElectron) ;
+
+ //calculate and set time
+ //New timing model needed - JLK 28-April-2008
+ //Float_t time = FrontEdgeTime(ticks) ;
+ digit->SetTime(time) ;
+
+ //Find next signal module
+ nextSig = nEMC + 1 ;
+ for(i = 0 ; i < fInput ; i++){
+ sdigits = dynamic_cast<TClonesArray *>(sdigArray->At(i)) ;
+ if(sdigits){
+ Int_t curNext = nextSig ;
+ if(sdigits->GetEntriesFast() > index[i] && sdigits->At(index[i])){
+ curNext = dynamic_cast<AliEMCALDigit *>(sdigits->At(index[i]))->GetId() ;
+ }
+ if(curNext < nextSig) nextSig = curNext ;
+ }// sdigits exist
+ } // input loop
+
+ }//absID==nextSig
+
+ // add the noise now
+ energy += TMath::Abs(gRandom->Gaus(0., fPinNoise)) ;
+ // JLK 26-June-2008
+ //Now digitize the energy according to the sDigitizer method,
+ //which merely converts the energy to an integer. Later we will
+ //check that the stored value matches our allowed dynamic ranges
+ digit->SetAmplitude(sDigitizer->Digitize(energy)) ;
+ AliDebug(10,Form(" absID %5i energy %f nextSig %5i\n",
+ absID, energy, nextSig));
+ }// Digit pointer exists
+ else{
+ Info("Digitizer","Digit pointer is null");
+ }
+ } // for(absID = 0; absID < nEMC; absID++)
+
+ //ticks->Delete() ;
+ //delete ticks ;
+
+ //JLK is it better to call Clear() here?
+ delete sdigArray ; //We should not delete its contents
+
+ //remove digits below thresholds
+ // until 10-02-2010 remove digits with energy smaller than fDigitThreshold 3*fPinNoise
+ // now, remove digits with Digitized ADC smaller than fDigitThreshold = 3
+ Float_t energy=0;
+ for(i = 0 ; i < nEMC ; i++){
+ digit = dynamic_cast<AliEMCALDigit*>( digits->At(i) ) ;
+ if(digit){
+ //First get the energy in GeV units.
+ energy = sDigitizer->Calibrate(digit->GetAmplitude()) ;
+ //Then digitize using the calibration constants of the ocdb
+ Float_t ampADC = DigitizeEnergy(energy, digit->GetId()) ;
+ //if(ampADC>2)printf("Digit energy %f, amp %d, amp cal %d, threshold %d\n",energy,digit->GetAmplitude(),ampADC,fDigitThreshold);
+ if(ampADC < fDigitThreshold)
+ digits->RemoveAt(i) ;
+ else
+ digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
+ }// digit exists
+ } // digit loop
+
+ digits->Compress() ;
+
+ Int_t ndigits = digits->GetEntriesFast() ;
+
+ //JLK 26-June-2008
+ //After we have done the summing and digitizing to create the
+ //digits, now we want to calibrate the resulting amplitude to match
+ //the dynamic range of our real data.
+ for (i = 0 ; i < ndigits ; i++) {
+ digit = dynamic_cast<AliEMCALDigit *>( digits->At(i) ) ;
+ if(digit){
+ digit->SetIndexInList(i) ;
+ energy = sDigitizer->Calibrate(digit->GetAmplitude()) ;
+ digit->SetAmplitude(DigitizeEnergy(energy, digit->GetId()) ) ;
+ //Add delay to time
+ digit->SetTime(digit->GetTime()+fTimeDelay) ;
+ // printf("digit amplitude set at end: i %d, amp %f\n",i,digit->GetAmplitude());
+ }// digit exists
+ }//Digit loop
+
+ }//SDigitizer not null
+}
+// //_____________________________________________________________________
+Float_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t AbsId)
+{
+ // JLK 26-June-2008
+ // Returns digitized value of the energy in a cell absId
+ // using the calibration constants stored in the OCDB
+ // or default values if no CalibData object is found.
+ // This effectively converts everything to match the dynamic range
+ // of the real data we will collect
+ //
+ // Load Geometry
+ const AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
- //remove digits below thresholds
- for(absID = 0; absID < nEMC/2 ; absID++){
- if(sDigitizer->Calibrate(((AliEMCALDigit*)digits->At(absID))->GetAmp()) < fTowerDigitThreshold)
- digits->RemoveAt(absID) ;
- else
- digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
- }
+ Float_t channel = -999;
- for(absID = nEMC/2; absID < nEMC ; absID++){
- if(sDigitizer->Calibrate(((AliEMCALDigit*)digits->At(absID))->GetAmp()) < fPreShowerDigitThreshold)
- digits->RemoveAt(absID) ;
- else
- digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
+ if (geom==0){
+ AliFatal("Did not get geometry from EMCALLoader");
}
+ else {
+ Int_t iSupMod = -1;
+ Int_t nModule = -1;
+ Int_t nIphi = -1;
+ Int_t nIeta = -1;
+ Int_t iphi = -1;
+ Int_t ieta = -1;
+ Bool_t bCell = geom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ;
+ if(!bCell)
+ Error("DigitizeEnergy","Wrong cell id number : AbsId %i ", AbsId) ;
+ geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
- digits->Compress() ;
-
- Int_t ndigits = digits->GetEntriesFast() ;
+ if(fCalibData) {
+ fADCpedestalEC = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
+ fADCchannelEC = fCalibData->GetADCchannel(iSupMod,ieta,iphi);
+ }
- digits->Expand(ndigits) ;
+ //channel = static_cast<Int_t> (TMath::Floor( (energy + fADCpedestalEC)/fADCchannelEC )) ;
+ channel = (energy + fADCpedestalEC)/fADCchannelEC ;
+
+ if(channel > fNADCEC )
+ channel = fNADCEC ;
+ }// geometry exists
+ return channel ;
- //Set indexes in list of digits
- //Int_t i ;
- for (i = 0 ; i < ndigits ; i++) {
- AliEMCALDigit * digit = (AliEMCALDigit *) digits->At(i) ;
- digit->SetIndexInList(i) ;
- Float_t energy = sDigitizer->Calibrate(digit->GetAmp()) ;
- digit->SetAmp(DigitizeEnergy(energy,digit->GetId()) ) ;
- }
}
//____________________________________________________________________________
-
-Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t absId)
+void AliEMCALDigitizer::Exec(Option_t *option)
{
- Int_t channel = -999;
- Int_t nphi = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNPhi() ;
- Int_t nz = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNZ() ;
-
- if(absId <= nphi*nz) //digitize as tower
- channel = (Int_t) TMath::Ceil( (energy + fADCpedestalTower)/fADCchannelTower ) ;
- if(channel > fNADCTower ) channel = fNADCTower ;
- else
- channel = (Int_t) TMath::Ceil( (energy + fADCpedestalPreSho)/fADCchannelPreSho ) ;
- if(channel > fNADCPreSho ) channel = fNADCPreSho ;
-
- return channel ;
-}
+ // Steering method to process digitization for events
+ // in the range from fFirstEvent to fLastEvent.
+ // This range is optionally set by SetEventRange().
+ // if fLastEvent=-1, then process events until the end.
+ // by default fLastEvent = fFirstEvent (process only one event)
+
+ if (!fInit) { // to prevent overwrite existing file
+ Error( "Exec", "Give a version name different from %s", fEventFolderName.Data() ) ;
+ return ;
+ }
-//____________________________________________________________________________
-void AliEMCALDigitizer::Exec(Option_t *option) {
- // Managing method
-if(strcmp(GetName(), "") == 0 )
- Init() ;
-
if (strstr(option,"print")) {
- Print("");
+
+ Print();
return ;
}
if(strstr(option,"tim"))
gBenchmark->Start("EMCALDigitizer");
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
- Int_t nevents ;
-
- TTree * treeD ;
-
- if(fManager){
- treeD = fManager->GetTreeD() ;
- nevents = 1 ; // Will process only one event
- }
- else {
- gAlice->GetEvent(0) ;
- nevents = (Int_t) gAlice->TreeE()->GetEntries() ;
- treeD=gAlice->TreeD() ;
- }
- if(treeD == 0 ){
- cerr << " AliEMCALDigitizer :: Can not find TreeD " << endl ;
- return ;
+ AliRunLoader *rl = AliRunLoader::Instance();
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
+ Int_t nEvents = 0;
+ if(!emcalLoader){
+ AliFatal("Did not get the Loader");
}
+ else{
+ // Post Digitizer to the white board
+ emcalLoader->PostDigitizer(this) ;
+
+ if (fLastEvent == -1) {
+ fLastEvent = rl->GetNumberOfEvents() - 1 ;
+ }
+ else if (fManager)
+ fLastEvent = fFirstEvent ; // what is this ??
+
+ nEvents = fLastEvent - fFirstEvent + 1;
+ Int_t ievent = -1;
- //Check, if this branch already exits
- TObjArray * lob = (TObjArray*)treeD->GetListOfBranches() ;
- TIter next(lob) ;
- TBranch * branch = 0 ;
- Bool_t emcalfound = kFALSE, digitizerfound = kFALSE ;
-
- while ( (branch = (TBranch*)next()) && (!emcalfound || !digitizerfound) ) {
- if ( (strcmp(branch->GetName(), "EMCAL")==0) &&
- (strcmp(branch->GetTitle(), GetName())==0) )
- emcalfound = kTRUE ;
-
- else if ( (strcmp(branch->GetName(), "AliEMCALDigitizer")==0) &&
- (strcmp(branch->GetTitle(), GetName())==0) )
- digitizerfound = kTRUE ;
- }
+ TClonesArray* digitsTMP = new TClonesArray("AliEMCALDigit", 32*96);
+ TClonesArray* digitsTRG = new TClonesArray("AliEMCALRawDigit", 32*96);
- if ( emcalfound ) {
- cerr << "WARNING: AliEMCALDigitizer -> Digits branch with name " << GetName()
- << " already exits" << endl ;
- return ;
- }
- if ( digitizerfound ) {
- cerr << "WARNING: AliEMCALDigitizer -> Digitizer branch with name " << GetName()
- << " already exits" << endl ;
- return ;
- }
+ rl->LoadSDigits("EMCAL");
+ for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
+
+ rl->GetEvent(ievent);
+
+ Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
+
+ WriteDigits() ;
+
+ //Trigger Digits
+ //-------------------------------------
+
- Int_t ievent ;
+ Digits2FastOR(digitsTMP, digitsTRG);
+
+ WriteDigits(digitsTRG);
+
+ (emcalLoader->TreeD())->Fill();
+
+ emcalLoader->WriteDigits( "OVERWRITE");
+ emcalLoader->WriteDigitizer("OVERWRITE");
+
+ Unload();
+
+ digitsTRG ->Delete();
+ digitsTMP ->Delete();
+
+ //-------------------------------------
+
+ if(strstr(option,"deb"))
+ PrintDigits(option);
+ if(strstr(option,"table")) gObjectTable->Print();
+
+ //increment the total number of Digits per run
+ fDigitsInRun += emcalLoader->Digits()->GetEntriesFast() ;
+ }//loop
+
+ // delete digitsTRG;
+ // delete digitsTMP;
+
+ emcalLoader->CleanDigitizer() ;
+
+ }//loader exists
+
+ if(strstr(option,"tim")){
+ gBenchmark->Stop("EMCALDigitizer");
+ AliInfo(Form("Exec: took %f seconds for Digitizing %f seconds per event",
+ gBenchmark->GetCpuTime("EMCALDigitizer"), gBenchmark->GetCpuTime("EMCALDigitizer")/nEvents )) ;
+ }
+}
- for(ievent = 0; ievent < nevents; ievent++){
+//____________________________________________________________________________
+void AliEMCALDigitizer::Digits2FastOR(TClonesArray* digitsTMP, TClonesArray* digitsTRG)
+{
+ // FEE digits afterburner to produce TRG digits
+ // we are only interested in the FEE digit deposited energy
+ // to be converted later into a voltage value
+
+ // push the FEE digit to its associated FastOR (numbered from 0:95)
+ // TRU is in charge of summing module digits
+
+ AliRunLoader *runLoader = AliRunLoader::Instance();
+
+ AliRun* run = runLoader->GetAliRun();
+
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(runLoader->GetDetectorLoader("EMCAL"));
+ if(!emcalLoader){
+ AliFatal("Did not get the Loader");
+ }
+ else {
+ AliEMCALGeometry* geom = dynamic_cast<AliEMCAL*>(run->GetDetector("EMCAL"))->GetGeometry();
- if(fManager){
- Int_t input ;
- for(input = 0 ; input < fManager->GetNinputs(); input ++){
- TTree * treeS = fManager->GetInputTreeS(input) ;
- if(!treeS){
- cerr << "AliEMCALDigitizer -> No Input " << endl ;
- return ;
- }
- gime->ReadTreeS(treeS,input) ;
+ // build FOR from simulated digits
+ // and xfer to the corresponding TRU input (mapping)
+
+ TClonesArray* digits = emcalLoader->Digits();
+
+ TIter NextDigit(digits);
+ while (AliEMCALDigit* digit = (AliEMCALDigit*)NextDigit())
+ {
+ Int_t id = digit->GetId();
+
+ Int_t iSupMod, nModule, nIphi, nIeta, iphi, ieta, iphim, ietam;
+
+ geom->GetCellIndex( id, iSupMod, nModule, nIphi, nIeta );
+ geom->GetModulePhiEtaIndexInSModule( iSupMod, nModule, iphim, ietam );
+ geom->GetCellPhiEtaIndexInSModule( iSupMod, nModule, nIphi, nIeta, iphi, ieta);
+
+ // identify to which TRU this FEE digit belong
+ //Int_t itru = (iSupMod < 11) ? iphim / 4 + 3 * iSupMod : 31;
+ Int_t itru = -1;
+ if (iSupMod < 11)
+ itru = (iSupMod % 2) ? (2 - int(iphim / 4)) + 3 * iSupMod : iphim / 4 + 3 * iSupMod;
+ else
+ itru = 31;
+
+ //---------
+ //
+ // FIXME: bad numbering solution to deal w/ the last 2 SM which have only 1 TRU each
+ // using the AliEMCALGeometry official numbering
+ // only 1 TRU/SM in SM 10 & SM 11
+ //
+ //---------
+ if ((itru == 31 && iphim < 2) || (itru == 30 && iphim > 5)) continue;
+
+ // to be compliant with %4 per TRU
+ if (itru == 31) iphim -= 2;
+
+ Int_t trgid = 0;
+ Bool_t isOK = geom->GetAbsFastORIndexFromPositionInTRU(itru, ietam, iphim % 4, trgid);
+
+ AliDebug(2,Form("trigger digit id: %d itru: %d isOK: %d\n",trgid,itru,isOK));
+
+ if (isOK)
+ {
+ 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;
+ }
}
}
- else
- gime->Event(ievent,"S") ;
- Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
+ Int_t nSamples = 32;
+ Int_t *timeSamples = new Int_t[nSamples];
- WriteDigits(ievent) ;
+ 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);
+
+ // 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);
+ }
+ }
+ }
- if(strstr(option,"deb"))
- PrintDigits(option);
+ delete [] timeSamples;
- //increment the total number of Digits per run
- fDigitsInRun += gime->Digits()->GetEntriesFast() ;
- }
+ }// loader exists
- if(strstr(option,"tim")){
- gBenchmark->Stop("EMCALDigitizer");
- cout << "AliEMCALDigitizer:" << endl ;
- cout << " took " << gBenchmark->GetCpuTime("EMCALDigitizer") << " seconds for Digitizing "
- << gBenchmark->GetCpuTime("EMCALDigitizer")/nevents << " seconds per event " << endl ;
- cout << endl ;
+}
+
+//____________________________________________________________________________
+void AliEMCALDigitizer::DigitalFastOR( Double_t time, Double_t dE, Int_t timeSamples[], Int_t nSamples )
+{
+ // parameters:
+ // id: 0..95
+ const Int_t reso = 11; // 11-bit resolution ADC
+ const Double_t vFSR = 1; // Full scale input voltage range
+ const Double_t Ne = 125; // signal of the APD per MeV of energy deposit in a tower: 125 photo-e-/MeV @ M=30
+ const Double_t vA = .136e-6; // CSP output range: 0.136uV/e-
+ const Double_t rise = 40e-9; // rise time (10-90%) of the FastOR signal before shaping
+
+ const Double_t kTimeBinWidth = 25E-9; // sampling frequency (40MHz)
+
+ Double_t vV = 1000. * dE * Ne * vA; // GeV 2 MeV
+
+ TF1 signalF("signal", AnalogFastORFunction, 0, nSamples * kTimeBinWidth, 3);
+ signalF.SetParameter( 0, vV );
+ signalF.SetParameter( 1, time ); // FIXME: when does the signal arrive? Might account for cable lengths
+ signalF.SetParameter( 2, rise );
+
+ for (Int_t iTime=0; 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);
+ }
+}
+
+
+//____________________________________________________________________________
+//Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * ticks)
+//{
+// // Returns the shortest time among all time ticks
+//
+// ticks->Sort() ; //Sort in accordance with times of ticks
+// TIter it(ticks) ;
+// AliEMCALTick * ctick = (AliEMCALTick *) it.Next() ;
+// Float_t time = ctick->CrossingTime(fTimeThreshold) ;
+//
+// AliEMCALTick * t ;
+// while((t=(AliEMCALTick*) it.Next())){
+// if(t->GetTime() < time) //This tick starts before crossing
+// *ctick+=*t ;
+// else
+// return time ;
+//
+// time = ctick->CrossingTime(fTimeThreshold) ;
+// }
+// return time ;
+//}
+//
+
+//____________________________________________________________________________
+Bool_t AliEMCALDigitizer::Init()
+{
+ // Makes all memory allocations
+ fInit = kTRUE ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+
+ if ( emcalLoader == 0 ) {
+ Fatal("Init", "Could not obtain the AliEMCALLoader");
+ return kFALSE;
+ }
+
+ fFirstEvent = 0 ;
+ fLastEvent = fFirstEvent ;
+
+ if(fManager)
+ fInput = fManager->GetNinputs() ;
+ else
+ fInput = 1 ;
+
+ fInputFileNames = new TString[fInput] ;
+ fEventNames = new TString[fInput] ;
+ fInputFileNames[0] = GetTitle() ;
+ fEventNames[0] = fEventFolderName.Data() ;
+ Int_t index ;
+ for (index = 1 ; index < fInput ; index++) {
+ fInputFileNames[index] = dynamic_cast<AliStream*>(fManager->GetInputStream(index))->GetFileName(0);
+ TString tempo = fManager->GetInputFolderName(index) ;
+ fEventNames[index] = tempo.Remove(tempo.Length()-1) ; // strip of the stream number added bt fManager
}
+ //to prevent cleaning of this object while GetEvent is called
+ emcalLoader->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
+
+ //Calibration instance
+ fCalibData = emcalLoader->CalibData();
+ return fInit ;
}
+//____________________________________________________________________________
+void AliEMCALDigitizer::InitParameters()
+{
+ // Parameter initialization for digitizer
+
+ // Get the parameters from the OCDB via the loader
+ AliRunLoader *rl = AliRunLoader::Instance();
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
+ AliEMCALSimParam * simParam = 0x0;
+ if(emcalLoader) simParam = emcalLoader->SimulationParameters();
+
+ if(!simParam){
+ simParam = AliEMCALSimParam::GetInstance();
+ AliWarning("Simulation Parameters not available in OCDB?");
+ }
+
+ fMeanPhotonElectron = simParam->GetMeanPhotonElectron();//4400; // electrons per GeV
+ fPinNoise = simParam->GetPinNoise();//0.012; // pin noise in GeV from analysis test beam data
+ if (fPinNoise < 0.0001 )
+ Warning("InitParameters", "No noise added\n") ;
+ fDigitThreshold = simParam->GetDigitThreshold(); //fPinNoise * 3; // 3 * sigma
+ fTimeResolution = simParam->GetTimeResolution(); //0.6e-9 ; // 600 pc
+ fTimeDelay = simParam->GetTimeDelay(); //600e-9 ; // 600 ns
+
+ // These defaults are normally not used.
+ // Values are read from calibration database instead
+ fADCchannelEC = 0.0153; // Update 24 Apr 2007: 250./16/1024 - width of one ADC channel in GeV
+ fADCpedestalEC = 0.0 ; // GeV
+
+ fNADCEC = simParam->GetNADCEC();//(Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536
+
+ AliDebug(2,Form("Mean Photon Electron %d, Noise %f, Digit Threshold %d,Time Resolution %g,NADCEC %d",
+ fMeanPhotonElectron,fPinNoise,fDigitThreshold,fTimeResolution,fNADCEC));
+ // Not used anymore, remove?
+ // fTimeSignalLength = 1.0e-9 ;
+ // fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ??
+
+}
//__________________________________________________________________
-void AliEMCALDigitizer::MixWith(char* headerFile){
- // Alows produce digits by superimposing background and signal event.
+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
- // constructor, and now we set the BACKGROUND event, with which we
- // will mix. Thus we avoid writing (changing) huge and expencive
+ // 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 wants.
+ // One can open as many files to mix with as one needs.
+ // However only Sdigits with the same name (i.e. constructed with the same SDigitizer)
+ // can be mixed.
-if( strcmp(GetName(), "") == 0 )
+ if( strcmp(GetName(), "") == 0 )
Init() ;
- if(fManager){
- cout << "Can not use this method under AliRunDigitizer " << endl ;
+ if(fManager){
+ Error("MixWith", "Cannot use this method under AliRunDigitizer") ;
return ;
- } // check if the specified SDigits do not already exist on the White Board:
- // //Folders/RunMC/Event/Data/EMCAL/SDigits/headerFile/sdigitsname
-
- TString path = "Folders/RunMC/Event/Data/EMCAL/SDigits" ;
- path += headerFile ;
- path += "/" ;
- path += GetName() ;
- if ( gROOT->FindObjectAny(path.Data()) ) {
- cerr << "WARNING: AliEMCALDigitizer::MixWith -> Entry already exists, do not add" << endl ;
- return;
+ }
+ // looking for file which contains AliRun
+ if (gSystem->AccessPathName(alirunFileName)) {// file does not exist
+ Error("MixWith", "File %s does not exist!", alirunFileName.Data()) ;
+ return ;
}
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- gime->PostSDigits(GetName(),headerFile) ;
+ // looking for the file which contains SDigits
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
- // check if the requested file is already open or exist and if SDigits Branch exist
- TFile * file = (TFile*)gROOT->FindObject(headerFile);
- if ( !file ) {
- file = new TFile(headerFile, "READ") ;
- if (!file) {
- cerr << "ERROR: AliEMCALDigitizer::MixWith -> File " << headerFile << " does not exist!" << endl ;
- return ;
- }
+ if(emcalLoader){
+ AliFatal("Did not get the Loader");
}
+ else{
+ TString fileName( emcalLoader->GetSDigitsFileName() ) ;
+ if ( eventFolderName != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name
+ fileName = fileName.ReplaceAll(".root", "") + "_" + eventFolderName + ".root" ;
+ if ( (gSystem->AccessPathName(fileName)) ) {
+ Error("MixWith", "The file %s does not exist!", fileName.Data()) ;
+ return ;
+ }
+ // need to increase the arrays
+ // MvL: This code only works when fInput == 1, I think.
+ TString tempo = fInputFileNames[fInput-1] ;
+ delete [] fInputFileNames ;
+ fInputFileNames = new TString[fInput+1] ;
+ fInputFileNames[fInput-1] = tempo ;
+
+ tempo = fEventNames[fInput-1] ;
+ delete [] fEventNames ;
+ fEventNames = new TString[fInput+1] ;
+ fEventNames[fInput-1] = tempo ;
+
+ fInputFileNames[fInput] = alirunFileName ;
+ fEventNames[fInput] = eventFolderName ;
+ fInput++ ;
+
+ }// Loader exits
+}
+
+//__________________________________________________________________
+void AliEMCALDigitizer::Print1(Option_t * option)
+{ // 19-nov-04 - just for convinience
+ Print();
+ PrintDigits(option);
}
-
+
//__________________________________________________________________
-void AliEMCALDigitizer::Print(Option_t* option)const {
- if( strcmp(GetName(), "") != 0) {
+void AliEMCALDigitizer::Print(Option_t*)const
+{
+ // Print Digitizer's parameters
+ printf("Print: \n------------------- %s -------------", GetName() ) ;
+ if( strcmp(fEventFolderName.Data(), "") != 0 ){
+ printf(" Writing Digits to branch with title %s\n", fEventFolderName.Data()) ;
- cout << "------------------- "<< GetName() << " -------------" << endl ;
- cout << "Digitizing sDigits from file(s): " <<endl ;
+ Int_t nStreams ;
+ if (fManager)
+ nStreams = GetNInputStreams() ;
+ else
+ nStreams = fInput ;
+
+ AliRunLoader *rl=0;
- TCollection * folderslist = ((TFolder*)gROOT->FindObjectAny("Folders/RunMC/Event/Data/EMCAL/SDigits"))->GetListOfFolders() ;
- TIter next(folderslist) ;
- TFolder * folder = 0 ;
- while ( (folder = (TFolder*)next()) )
- if ( folder->FindObject(GetName()) )
- {
- cout << "Adding SDigits " << GetName() << " from " << folder->GetName() << endl ;
- cout << endl ;
- cout << "Writing digits to " << GetTitle() << endl ;
-
- cout << endl ;
- cout << "With following parameters: " << endl ;
- cout << " Electronics noise in EMC (fPinNoise) = " << fPinNoise << endl ;
- cout << " Threshold in EMC (fTowerDigitThreshold) = " << fTowerDigitThreshold << endl;
- cout << " Threshold in PreShower (fPreShowerDigitThreshold) = " << fPreShowerDigitThreshold << endl ; ;
- cout << "---------------------------------------------------" << endl ;
- }
- else
- cout << "AliEMCALDigitizer not initialized " << endl ;
+ Int_t index = 0 ;
+ for (index = 0 ; index < nStreams ; index++) {
+ TString tempo(fEventNames[index]) ;
+ tempo += index ;
+ if ((rl = AliRunLoader::GetRunLoader(tempo)) == 0)
+ rl = AliRunLoader::Open(fInputFileNames[index], tempo) ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
+ if(emcalLoader){
+ TString fileName( emcalLoader->GetSDigitsFileName() ) ;
+ if ( fEventNames[index] != AliConfig::GetDefaultEventFolderName()) // only if not the default folder name
+ fileName = fileName.ReplaceAll(".root", "") + "_" + fEventNames[index] + ".root" ;
+ printf ("Adding SDigits from %s %s\n", fInputFileNames[index].Data(), fileName.Data()) ;
+ }//loader
}
+
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+
+ if(emcalLoader) printf("\nWriting digits to %s", emcalLoader->GetDigitsFileName().Data()) ;
+ else printf("\nNULL LOADER");
+
+ printf("\nWith following parameters:\n") ;
+
+ printf(" Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ;
+ printf(" Threshold in Tower (fDigitThreshold) = %d\n", fDigitThreshold) ;
+ printf("---------------------------------------------------\n") ;
+ }
+ else
+ printf("Print: AliEMCALDigitizer not initialized") ;
}
//__________________________________________________________________
-void AliEMCALDigitizer::PrintDigits(Option_t * option){
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- TClonesArray * fDigits = gime->Digits() ;
-
- cout << "AliEMCALDigitiser:"<< endl ;
- cout << " Number of entries in Digits list " << fDigits->GetEntriesFast() << endl ;
- cout << endl ;
- if(strstr(option,"all")){
-
- //loop over digits
- AliEMCALDigit * digit;
- cout << "Digit Id " << " Amplitude " << " Index " << " Nprim " << " Primaries list " << endl;
- Int_t index ;
- for (index = 0 ; index < fDigits->GetEntries() ; index++) {
- digit = (AliEMCALDigit * ) fDigits->At(index) ;
- cout << setw(8) << digit->GetId() << " " << setw(3) << digit->GetAmp() << " "
- << setw(6) << digit->GetIndexInList() << " "
- << setw(5) << digit->GetNprimary() <<" ";
-
- Int_t iprimary;
- for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++)
- cout << setw(5) << digit->GetPrimary(iprimary+1) << " ";
- cout << endl;
+void AliEMCALDigitizer::PrintDigits(Option_t * option)
+{
+ //utility method for printing digit information
+
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(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<AliEMCALDigit *>(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; iprimary<digit->GetNprimary(); iprimary++) {
+ printf("%d ",digit->GetPrimary(iprimary+1) ) ;
+ }
+ }// digit exists
+ }// loop
}
+ printf("\n");
+ }// loader exists
+ else printf("NULL LOADER, cannot print\n");
+}
+
+//__________________________________________________________________
+Float_t AliEMCALDigitizer::TimeOfNoise(void)
+{
+ // Calculates the time signal generated by noise
+ //PH Info("TimeOfNoise", "Change me") ;
+ return gRandom->Rndm() * 1.28E-5;
+}
+
+//__________________________________________________________________
+void AliEMCALDigitizer::Unload()
+{
+ // Unloads the SDigits and Digits
+ AliRunLoader *rl=0;
+ Int_t i ;
+ for(i = 1 ; i < fInput ; i++){
+ TString tempo(fEventNames[i]) ;
+ tempo += i;
+ if ((rl = AliRunLoader::GetRunLoader(tempo)))
+ rl->GetDetectorLoader("EMCAL")->UnloadSDigits() ;
}
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+ if(emcalLoader)emcalLoader->UnloadDigits() ;
+ else AliFatal("Did not get the loader");
}
+
//_________________________________________________________________________________________
-void AliEMCALDigitizer::WriteDigits(Int_t event)
+void AliEMCALDigitizer::WriteDigits()
{
-
+
// Makes TreeD in the output file.
// Check if branch already exists:
// if yes, exit without writing: ROOT TTree does not support overwriting/updating of
// 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.
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- const TClonesArray * digits = gime->Digits(GetName()) ;
- TTree * treeD ;
-
- if(fManager)
- treeD = fManager->GetTreeD() ;
- else
- treeD = gAlice->TreeD();
-
- // create new branches
- // -- generate file name if necessary
- char * file =0;
- if(gSystem->Getenv("CONFIG_SPLIT_FILE")){ //generating file name
- file = new char[strlen(gAlice->GetBaseFile())+20] ;
- sprintf(file,"%s/EMCAL.Digits.root",gAlice->GetBaseFile()) ;
- }
-
- TDirectory *cwd = gDirectory;
- // -- create Digits branch
- Int_t bufferSize = 32000 ;
- TBranch * digitsBranch = treeD->Branch("EMCAL",&digits,bufferSize);
- digitsBranch->SetTitle(GetName());
- if (file) {
- digitsBranch->SetFile(file);
- TIter next( digitsBranch->GetListOfBranches());
- TBranch * sbr ;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
-
- // -- Create Digitizer branch
- Int_t splitlevel = 0 ;
- AliEMCALDigitizer * d = gime->Digitizer(GetName()) ;
- TBranch * digitizerBranch = treeD->Branch("AliEMCALDigitizer", "AliEMCALDigitizer", &d,bufferSize,splitlevel);
- digitizerBranch->SetTitle(GetName());
- if (file) {
- digitizerBranch->SetFile(file);
- TIter next( digitizerBranch->GetListOfBranches());
- TBranch * sbr;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
- digitsBranch->Fill() ;
- digitizerBranch->Fill() ;
-
- treeD->Write(0,kOverwrite) ;
-
-}
-//____________________________________________________________________________
-Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * ticks)
-{ //
- ticks->Sort() ; //Sort in accordance with times of ticks
- TIter it(ticks) ;
- AliEMCALTick * ctick = (AliEMCALTick *) it.Next() ;
- Float_t time = ctick->CrossingTime(fTimeThreshold) ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
- AliEMCALTick * t ;
- while((t=(AliEMCALTick*) it.Next())){
- if(t->GetTime() < time) //This tick starts before crossing
- *ctick+=*t ;
+ 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
- return time ;
+ treeD->Branch("EMCAL","TClonesArray",&digits,bufferSize);
+ //digitsBranch->SetTitle(fEventFolderName);
- time = ctick->CrossingTime(fTimeThreshold) ;
- }
- return time ;
+ // treeD->Fill() ;
+ /*
+ emcalLoader->WriteDigits("OVERWRITE");
+ emcalLoader->WriteDigitizer("OVERWRITE");
+
+ Unload() ;
+ */
+
+ }// loader exists
+ else AliFatal("Loader not available");
}
-//____________________________________________________________________________
-Float_t AliEMCALDigitizer::TimeOfNoise(void)
-{ // Calculates the time signal generated by noise
- //to be rewritten, now returns just big number
- return 1. ;
-}
-//____________________________________________________________________________
-void AliEMCALDigitizer::SetSDigitsBranch(const char* title)
+//__________________________________________________________________
+void AliEMCALDigitizer::WriteDigits(TClonesArray* digits, const char* branchName)
{
- // we set title (comment) of the SDigits branch in the first! header file
- if( strcmp(GetName(), "") == 0 )
- Init() ;
+ //
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(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");
+}
- AliEMCALGetter::GetInstance()->SDigits()->SetName(title) ;
+//__________________________________________________________________
+void AliEMCALDigitizer::Browse(TBrowser* b)
+{
+ TTask::Browse(b);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff