//_________________________________________________________________________
//
//////////////////////////////////////////////////////////////////////////////
-// 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.
//
//_________________________________________________________________________________
// --- ROOT system ---
-#include "TROOT.h"
-#include "TTree.h"
-#include "TSystem.h"
-#include "TBenchmark.h"
-#include "TList.h"
-#include "TH1.h"
-#include "TBrowser.h"
-#include "TObjectTable.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 "AliEMCAL.h"
#include "AliEMCALLoader.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
-#include "AliEMCALTick.h"
-#include "AliEMCALHistoUtilities.h"
+//#include "AliEMCALTick.h"
+#include "AliEMCALCalibData.h"
+#include "AliEMCALSimParam.h"
+#include "AliEMCALRawDigit.h"
+
+namespace
+{
+ Double_t HeavisideTheta(Double_t x)
+ {
+ Double_t signal = 0.;
+
+ if (x > 0.) signal = 1.;
+
+ return signal;
+ }
+
+ Double_t AnalogFastORFunction(Double_t *x, Double_t *par)
+ {
+ Double_t v0 = par[0];
+ Double_t t0 = par[1];
+ Double_t tr = par[2];
+
+ Double_t R1 = 1000.;
+ Double_t C1 = 33e-12;
+ Double_t R2 = 1800;
+ Double_t C2 = 22e-12;
+
+ Double_t t = x[0];
+
+ return (((0.8*(-((TMath::Power(C1,2)*C2*TMath::Power(TMath::E(),(-t + t0)/(C1*R1))*
+ TMath::Power(R1,2)*R2)/(C1*R1 - C2*R2)) +
+ C1*C2*R1*R2*(1 - (C2*TMath::Power(TMath::E(),(-t + t0)/(C2*R2))*R2)/(-(C1*R1) + C2*R2)))*v0*
+ HeavisideTheta(t - t0))/tr
+ - (0.8*(C1*C2*R1*R2 -
+ (TMath::Power(C1,2)*C2*TMath::Power(TMath::E(),(-1.*t + t0 + 1.25*tr)/(C1*R1))*
+ TMath::Power(R1,2)*R2)/(C1*R1 - C2*R2) +
+ (C1*TMath::Power(C2,2)*TMath::Power(TMath::E(),(-1.*t + t0 + 1.25*tr)/(C2*R2))*
+ R1*TMath::Power(R2,2))/(C1*R1 - C2*R2))*v0*
+ HeavisideTheta(t - t0 - 1.25*tr))/tr)/(C2*R1));
+ }
+}
ClassImp(AliEMCALDigitizer)
//____________________________________________________________________________
- AliEMCALDigitizer::AliEMCALDigitizer():AliDigitizer("",""),
- 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), //Not used, remove?
+// fSlope(0), //Not used, remove?
+ fPinNoise(0),
+ fTimeResolution(0),
+// fTimeThreshold(0), //Not used, remove?
+// fTimeSignalLength(0), //Not used, remove?
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(""),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
// ctor
InitParameters() ;
- fDefaultInit = kTRUE ;
- fManager = 0 ; // We work in the standalong mode
- fEventFolderName = "" ;
+ fManager = 0 ; // We work in the standalone mode
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(TString alirunFileName, TString eventFolderName):
- AliDigitizer("EMCAL"+AliConfig::Instance()->GetDigitizerTaskName(), 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),//Not used, remove?
+// fSlope(0), //Not used, remove?
+ fPinNoise(0),
+ fTimeResolution(0),
+// fTimeThreshold(0), //Not used, remove?
+// fTimeSignalLength(0), //Not used, remove?
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(eventFolderName),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
// ctor
-
InitParameters() ;
Init() ;
- 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), //Not used, remove?
+// fSlope(d.fSlope), //Not used, remove?
+ fPinNoise(d.fPinNoise),
+ fTimeResolution(d.fTimeResolution),
+// fTimeThreshold(d.fTimeThreshold), //Not used, remove?
+// fTimeSignalLength(d.fTimeSignalLength), //Not used, remove?
+ fADCchannelEC(d.fADCchannelEC),
+ fADCpedestalEC(d.fADCpedestalEC),
+ fNADCEC(d.fNADCEC),
+ fEventFolderName(d.fEventFolderName),
+ fFirstEvent(d.fFirstEvent),
+ fLastEvent(d.fLastEvent),
+ fCalibData(d.fCalibData)
{
// copyy ctor
-
- 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::Instance()->GetDigitizerTaskName()),
- 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), //Not used, remove?
+// fSlope(0.), //Not used, remove?
+ fPinNoise(0.),
+ fTimeResolution(0.),
+// fTimeThreshold(0), //Not used, remove?
+// fTimeSignalLength(0), //Not used, remove?
+ fADCchannelEC(0),
+ fADCpedestalEC(0),
+ fNADCEC(0),
+ fEventFolderName(0),
+ fFirstEvent(0),
+ fLastEvent(0),
+ fCalibData(0x0)
{
// ctor Init() is called by RunDigitizer
fManager = rd ;
fEventFolderName = fManager->GetInputFolderName(0) ;
SetTitle(dynamic_cast<AliStream*>(fManager->GetInputStream(0))->GetFileName(0));
InitParameters() ;
- fDefaultInit = kFALSE ;
}
//____________________________________________________________________________
AliEMCALDigitizer::~AliEMCALDigitizer()
{
//dtor
- if (AliRunLoader::GetRunLoader()) {
+ if (AliRunLoader::Instance()) {
AliLoader *emcalLoader=0;
- if ((emcalLoader = AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL")))
+ if ((emcalLoader = AliRunLoader::Instance()->GetDetectorLoader("EMCAL")))
emcalLoader->CleanDigitizer();
}
else
delete [] fInputFileNames ;
delete [] fEventNames ;
- if(fHists) delete fHists;
}
//____________________________________________________________________________
// Makes the digitization of the collected summable digits
// for this it first creates the array of all EMCAL modules
- // filled with noise (different for EMC, CPV and PPSD) and
- // after that adds contributions from SDigits. This design
- // helps to avoid scanning over the list of digits to add
- // contribution of any new SDigit.
- static int isTrd1Geom = -1; // -1 - mean undefined
+ // filled with noise and after that adds contributions from
+ // SDigits. This design helps to avoid scanning over the
+ // list of digits to add contribution of any new SDigit.
+ //
+ // JLK 26-Jun-2008
+ // Note that SDigit energy info is stored as an amplitude, so we
+ // must call the Calibrate() method of the SDigitizer to convert it
+ // back to an energy in GeV before adding it to the Digit
+ //
static int nEMC=0; //max number of digits possible
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ AliRunLoader *rl = AliRunLoader::Instance();
AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
Int_t readEvent = event ;
// fManager is data member from AliDigitizer
rl->GetEvent(readEvent);
TClonesArray * digits = emcalLoader->Digits() ;
- digits->Clear() ;
+ digits->Delete() ; //correct way to clear array when memory is
+ //allocated by objects stored in array
// Load Geometry
- // const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
- rl->LoadgAlice();
- AliRun * gAlice = rl->GetAliRun();
- AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
- AliEMCALGeometry * geom = emcal->GetGeometry();
-
- if(isTrd1Geom < 0) {
- TString ng(geom->GetName());
- isTrd1Geom = 0;
- if(ng.Contains("SHISH") && ng.Contains("TRD1")) isTrd1Geom = 1;
-
- if(isTrd1Geom == 0) nEMC = geom->GetNPhi()*geom->GetNZ();
- else nEMC = geom->GetNCells();
- AliDebug(1,Form("nEMC %i (number cells in EMCAL) | %s | isTrd1Geom %i\n", nEMC, geom->GetName(), isTrd1Geom));
+ AliEMCALGeometry *geom = 0;
+ if (rl->GetAliRun()) {
+ AliEMCAL * emcal = (AliEMCAL*)rl->GetAliRun()->GetDetector("EMCAL");
+ geom = emcal->GetGeometry();
}
+ 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 ;
digits->Expand(nEMC) ;
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(),kFALSE); // 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->GetAmplitude() ;
+ //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->GetAmplitude() ;
// 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->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( dynamic_cast<TClonesArray *>(sdigArray->At(i))->GetEntriesFast() > index[i] )
curSDigit = 0 ;
}
}
+ //Here we convert the summed amplitude to an energy in GeV
+ energy = sDigitizer->Calibrate(digit->GetAmplitude()) ; // 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)) ;
- AliDebug(10,Form(" absID %5i amp %f nextSig %5i\n",
- absID, amp, nextSig));
- } // for(absID = 1; absID <= nEMC; absID++)
+ 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));
+ } // 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
+ // 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) ) ;
- Float_t threshold = fDigitThreshold ;
- if(sDigitizer->Calibrate( digit->GetAmp() ) < threshold)
+ //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) ) ;
digits->Compress() ;
Int_t ndigits = digits->GetEntriesFast() ;
- digits->Expand(ndigits) ;
- //Set indexes in list of digits and fill hists.
- AliEMCALHistoUtilities::FillH1(fHists, 0, Double_t(ndigits));
- Float_t energy=0., esum=0.;
+ //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) ) ;
digit->SetIndexInList(i) ;
- energy = sDigitizer->Calibrate(digit->GetAmp()) ;
- esum += energy;
- digit->SetAmp(DigitizeEnergy(energy, digit->GetId()) ) ; // for what ??
- AliEMCALHistoUtilities::FillH1(fHists, 2, double(digit->GetAmp()));
- AliEMCALHistoUtilities::FillH1(fHists, 3, double(energy));
- AliEMCALHistoUtilities::FillH1(fHists, 4, double(digit->GetId()));
+ energy = sDigitizer->Calibrate(digit->GetAmplitude()) ;
+ digit->SetAmplitude(DigitizeEnergy(energy, digit->GetId()) ) ;
+ // printf("digit amplitude set at end: i %d, amp %f\n",i,digit->GetAmplitude());
}
- AliEMCALHistoUtilities::FillH1(fHists, 1, esum);
+
}
// //_____________________________________________________________________
-Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t AbsId)
+Float_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t AbsId)
{
+ // JLK 26-June-2008
// Returns digitized value of the energy in a cell absId
- // Loader
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>
- (rl->GetDetectorLoader("EMCAL"));
-
- // Load EMCAL Geometry
- rl->LoadgAlice();
- AliRun * gAlice = rl->GetAliRun();
- AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
- AliEMCALGeometry * geom = emcal->GetGeometry();
+ // 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") ;
+ AliFatal("Did not get geometry from EMCALLoader");
Int_t iSupMod = -1;
- Int_t nTower = -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;
+ Float_t channel = -999;
- Bool_t bCell = geom->GetCellIndex(AbsId, iSupMod, nTower, nIphi, nIeta) ;
+ Bool_t bCell = geom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ;
if(!bCell)
- Error("DigitizeEnergy","Wrong cell id number") ;
- geom->GetCellPhiEtaIndexInSModule(iSupMod,nTower,nIphi, nIeta,iphi,ieta);
+ Error("DigitizeEnergy","Wrong cell id number : AbsId %i ", AbsId) ;
+ geom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
- if(emcalLoader->CalibData()) {
- fADCpedestalEC = emcalLoader->CalibData()
- ->GetADCpedestal(iSupMod,ieta,iphi);
- fADCchannelEC = emcalLoader->CalibData()
- ->GetADCchannel(iSupMod,ieta,iphi);
+ if(fCalibData) {
+ fADCpedestalEC = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
+ fADCchannelEC = fCalibData->GetADCchannel(iSupMod,ieta,iphi);
}
- channel = static_cast<Int_t> (TMath::Ceil( (energy + fADCpedestalEC)/fADCchannelEC )) ;
-
+ //channel = static_cast<Int_t> (TMath::Floor( (energy + fADCpedestalEC)/fADCchannelEC )) ;
+ channel = (energy + fADCpedestalEC)/fADCchannelEC ;
+
if(channel > fNADCEC )
channel = fNADCEC ;
return channel ;
}
if (strstr(option,"print")) {
+
Print();
return ;
}
if(strstr(option,"tim"))
gBenchmark->Start("EMCALDigitizer");
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ AliRunLoader *rl = AliRunLoader::Instance();
AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
// Post Digitizer to the white board
emcalLoader->PostDigitizer(this) ;
- if (fLastEvent == -1)
+ if (fLastEvent == -1) {
fLastEvent = rl->GetNumberOfEvents() - 1 ;
+ }
else if (fManager)
fLastEvent = fFirstEvent ; // what is this ??
Int_t nEvents = fLastEvent - fFirstEvent + 1;
Int_t ievent;
+ TClonesArray* digitsTRG = new TClonesArray("AliEMCALRawDigit", 32 * 96);
+ TClonesArray* digitsTMP = new TClonesArray("AliEMCALDigit", 32 * 96);
rl->LoadSDigits("EMCAL");
for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
WriteDigits() ;
+
+ //Trigger Digits
+ //-------------------------------------
+ Digits2FastOR(digitsTMP, digitsTRG);
+
+ WriteDigits(digitsTRG);
+
+ (emcalLoader->TreeD())->Fill();
+
+ emcalLoader->WriteDigits( "OVERWRITE");
+ emcalLoader->WriteDigitizer("OVERWRITE");
+
+ Unload();
+
+ digitsTRG->Clear();
+ digitsTMP->Clear();
+ //-------------------------------------
if(strstr(option,"deb"))
PrintDigits(option);
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 )) ;
}
}
//____________________________________________________________________________
-Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * ticks)
-{
- // Returns the shortest time among all time ticks
+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"));
+
+ AliEMCALGeometry* geom = dynamic_cast<AliEMCAL*>(run->GetDetector("EMCAL"))->GetGeometry();
+
+ // build FOR from simulated digits
+ // and xfer to the corresponding TRU input (mapping)
+
+ TClonesArray* digits = emcalLoader->Digits();
+
+ TIter NextDigit(digits);
+ while (AliEMCALDigit* digit = (AliEMCALDigit*)NextDigit())
+ {
+ Int_t id = digit->GetId();
+
+ Int_t 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;
+ 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;
+ }
+ }
+ }
+
+ Int_t nSamples = 32;
+ Int_t *timeSamples = new Int_t[nSamples];
+
+ NextDigit = TIter(digitsTMP);
+ while (AliEMCALDigit* digit = (AliEMCALDigit*)NextDigit())
+ {
+ if (digit)
+ {
+ Int_t id = digit->GetId();
+ Float_t time = digit->GetTime();
+
+ Double_t depositedEnergy = 0.;
+ for (Int_t j = 1; j <= digit->GetNprimary(); j++) depositedEnergy += digit->GetDEPrimary(j);
+
+ // 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);
+ }
+ }
+ }
- 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 ;
+ delete [] timeSamples;
}
+//____________________________________________________________________________
+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::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
if ( emcalLoader == 0 ) {
Fatal("Init", "Could not obtain the AliEMCALLoader");
//to prevent cleaning of this object while GetEvent is called
emcalLoader->GetDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
- //PH Print();
-
+ //Calibration instance
+ fCalibData = emcalLoader->CalibData();
return fInit ;
}
//____________________________________________________________________________
void AliEMCALDigitizer::InitParameters()
{
- //parameter initialization for digitizer
- // Tune parameters - 24-nov-04
-
- fMeanPhotonElectron = 3300 ; // electrons per GeV
- fPinNoise = 0.004;
- if (fPinNoise == 0. )
+ // 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 = fPinNoise * 3; // 3 * sigma
- fTimeResolution = 0.3e-9 ; // 300 psc
- fTimeSignalLength = 1.0e-9 ;
-
- fADCchannelEC = 0.00305; // 200./65536 - width of one ADC channel in GeV
- fADCpedestalEC = 0.009 ; // GeV
- fNADCEC = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC - 65536
-
- fTimeThreshold = 0.001*10000000 ; // Means 1 MeV in terms of SDigits amplitude ??
- // hists. for control; no hists on default
- fControlHists = 0;
- fHists = 0;
+ fDigitThreshold = simParam->GetDigitThreshold(); //fPinNoise * 3; // 3 * sigma
+ fTimeResolution = simParam->GetTimeResolution(); //0.6e-9 ; // 600 psc
+
+ // 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, E Threshold %f,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 ??
+
}
//__________________________________________________________________
return ;
}
// looking for the file which contains SDigits
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ 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" ;
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] ;
fInput++ ;
}
+//__________________________________________________________________
void AliEMCALDigitizer::Print1(Option_t * option)
{ // 19-nov-04 - just for convinience
Print();
printf ("Adding SDigits from %s %s\n", fInputFileNames[index].Data(), fileName.Data()) ;
}
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
printf("\nWriting digits to %s", emcalLoader->GetDigitsFileName().Data()) ;
printf("\nWith following parameters:\n") ;
printf(" Electronics noise in EMC (fPinNoise) = %f\n", fPinNoise) ;
- printf(" Threshold in EMC (fDigitThreshold) = %f\n", fDigitThreshold) ;
+ printf(" Threshold in Tower (fDigitThreshold) = %d\n", fDigitThreshold) ;
printf("---------------------------------------------------\n") ;
}
else
{
//utility method for printing digit information
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
TClonesArray * digits = emcalLoader->Digits() ;
TClonesArray * sdigits = emcalLoader->SDigits() ;
Int_t index ;
for (index = 0 ; index < digits->GetEntries() ; index++) {
digit = dynamic_cast<AliEMCALDigit *>(digits->At(index)) ;
- printf("\n%6d %8d %6.5e %4d %2d : ",
- digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;
+ 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) ) ;
if ((rl = AliRunLoader::GetRunLoader(tempo)))
rl->GetDetectorLoader("EMCAL")->UnloadSDigits() ;
}
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ 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.
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
const TClonesArray * digits = emcalLoader->Digits() ;
TTree * treeD = emcalLoader->TreeD();
// -- create Digits branch
Int_t bufferSize = 32000 ;
TBranch * digitsBranch = 0;
- if ((digitsBranch = treeD->GetBranch("EMCAL")))
+ 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() ;
-
+
+// treeD->Fill() ;
+/*
emcalLoader->WriteDigits("OVERWRITE");
emcalLoader->WriteDigitizer("OVERWRITE");
Unload() ;
-
+*/
}
-void AliEMCALDigitizer::Browse(TBrowser* b)
+//__________________________________________________________________
+void AliEMCALDigitizer::WriteDigits(TClonesArray* digits, const char* branchName)
{
- if(fHists) b->Add(fHists);
- TTask::Browse(b);
-}
-
-TList *AliEMCALDigitizer::BookControlHists(int var)
-{
- // 22-nov-04
- // histograms for monitoring digitizer performance
-
- Info("BookControlHists"," started ");
- gROOT->cd();
- const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
- if(var>=1){
- new TH1F("hDigiN", "#EMCAL digits with fAmp > fDigitThreshold",
- fNADCEC+1, -0.5, Double_t(fNADCEC));
- new TH1F("HDigiSumEnergy","Sum.EMCAL energy from digi", 1000, 0.0, 200.);
- new TH1F("hDigiAmp", "EMCAL digital amplitude", fNADCEC+1, -0.5, Double_t(fNADCEC));
- new TH1F("hDigiEnergy","EMCAL cell energy", 2000, 0.0, 200.);
- new TH1F("hDigiAbsId","EMCAL absId cells with fAmp > fDigitThreshold ",
- geom->GetNCells(), 0.5, Double_t(geom->GetNCells())+0.5);
- }
-
- fHists = AliEMCALHistoUtilities::MoveHistsToList("EmcalDigiControlHists", kFALSE);
- fHists = 0; //huh? JLK 03-Mar-2006
- return fHists;
+ //
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+
+ 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();
}
-void AliEMCALDigitizer::SaveHists(const char* name, Bool_t kSingleKey, const char* opt)
+//__________________________________________________________________
+void AliEMCALDigitizer::Browse(TBrowser* b)
{
- AliEMCALHistoUtilities::SaveListOfHists(fHists, name, kSingleKey, opt);
+ TTask::Browse(b);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff