+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-/* $Id$ */
-
-///_________________________________________________________________________
-///
-/// This class constructs Digits out of Hits
-///
-///
-
-// --- Standard library ---
-
-// --- ROOT system ---
-#include <TMath.h>
-#include <TTree.h>
-#include <TMap.h>
-#include <TGeoManager.h>
-#include <TGeoPhysicalNode.h>
-#include <AliGeomManager.h>
-#include <TRandom.h>
-#include <TF1.h>
-#include <TH1F.h>
-
-// --- AliRoot header files ---
-#include "AliRun.h"
-#include "AliVZERO.h"
-#include "AliVZEROhit.h"
-#include "AliRunLoader.h"
-#include "AliLoader.h"
-#include "AliGRPObject.h"
-#include "AliDigitizationInput.h"
-#include "AliCDBManager.h"
-#include "AliCDBStorage.h"
-#include "AliCDBEntry.h"
-#include "AliVZEROCalibData.h"
-#include "AliCTPTimeParams.h"
-#include "AliLHCClockPhase.h"
-#include "AliVZEROdigit.h"
-#include "AliVZERODigitizer.h"
-#include "AliVZEROSDigit.h"
-
-ClassImp(AliVZERODigitizer)
-
- AliVZERODigitizer::AliVZERODigitizer()
- :AliDigitizer(),
- fCalibData(GetCalibData()),
- fPhotoCathodeEfficiency(0.18),
- fNdigits(0),
- fDigits(0),
- fSignalShape(NULL),
- fPMResponse(NULL),
- fSinglePhESpectrum(NULL),
- fEvenOrOdd(kFALSE),
- fTask(kHits2Digits),
- fVZERO(NULL)
-{
- // default constructor
- // Initialize OCDB and containers used in the digitization
-
- Init();
-}
-
-//____________________________________________________________________________
- AliVZERODigitizer::AliVZERODigitizer(AliVZERO *vzero, DigiTask_t task)
- :AliDigitizer(),
- fCalibData(GetCalibData()),
- fPhotoCathodeEfficiency(0.18),
- fNdigits(0),
- fDigits(0),
- fSignalShape(NULL),
- fPMResponse(NULL),
- fSinglePhESpectrum(NULL),
- fEvenOrOdd(kFALSE),
- fTask(task),
- fVZERO(vzero)
-{
- // constructor
- // Initialize OCDB and containers used in the digitization
-
- Init();
-}
-
-//____________________________________________________________________________
- AliVZERODigitizer::AliVZERODigitizer(AliDigitizationInput* digInput)
- :AliDigitizer(digInput),
- fCalibData(GetCalibData()),
- fPhotoCathodeEfficiency(0.18),
- fNdigits(0),
- fDigits(0),
- fSignalShape(NULL),
- fPMResponse(NULL),
- fSinglePhESpectrum(NULL),
- fEvenOrOdd(kFALSE),
- fTask(kHits2Digits),
- fVZERO(NULL)
-{
- // constructor
- // Initialize OCDB and containers used in the digitization
-
- Init();
-}
-
-//____________________________________________________________________________
- AliVZERODigitizer::~AliVZERODigitizer()
-{
- // destructor
-
- if (fDigits) {
- fDigits->Delete();
- delete fDigits;
- fDigits=0;
- }
-
- if (fSignalShape) {
- delete fSignalShape;
- fSignalShape = NULL;
- }
- if (fPMResponse) {
- delete fPMResponse;
- fPMResponse = NULL;
- }
- if (fSinglePhESpectrum) {
- delete fSinglePhESpectrum;
- fSinglePhESpectrum = NULL;
- }
-
- for(Int_t i = 0 ; i < 64; ++i) {
- if (fTime[i]) delete [] fTime[i];
- }
-}
-
-//_____________________________________________________________________________
-Bool_t AliVZERODigitizer::Init()
-{
- // Initialises the digitizer
- // Initialize OCDB and containers used in the digitization
-
- // check if the digitizer was already initialized
- if (fSignalShape) return kTRUE;
-
- fSignalShape = new TF1("VZEROSignalShape",this,&AliVZERODigitizer::SignalShape,0,200,6,"AliVZERODigitizer","SignalShape");
- // fSignalShape->SetParameters(0,1.57345e1,-4.25603e-1,2.9,6.40982,3.69339e-01);
- // fSignalShape->SetParameters(1.34330e+00,1.13007e+02,-4.95705e-01,
- // 3.68911e+00,1.01040e+00, 3.94675e-01);
- fSignalShape->SetParameters(-1.07335e+00,2.16002e+01,-1.26133e-01,
- 1.41619e+00,5.50334e-01,3.86111e-01);
- fPMResponse = new TF1("VZEROPMResponse",this,&AliVZERODigitizer::PMResponse,-kPMRespTime,2.*kPMRespTime,0,"AliVZERODigitizer","PMResponse");
- fSinglePhESpectrum = new TF1("VZEROSinglePhESpectrum",this,&AliVZERODigitizer::SinglePhESpectrum,0,20,0,"AliVZERODigitizer","SinglePhESpectrum");
-
- // Now get the CTP L0->L1 delay
- AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
- if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
- AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
- Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
-
- AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
- if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
- AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
- l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
-
- AliCDBEntry *entry2 = AliCDBManager::Instance()->Get("VZERO/Calib/TimeDelays");
- if (!entry2) AliFatal("VZERO time delays are not found in OCDB !");
- TH1F *delays = (TH1F*)entry2->GetObject();
-
- AliCDBEntry *entry3 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
- if (!entry3) AliFatal("LHC clock-phase shift is not found in OCDB !");
- AliLHCClockPhase *phase = (AliLHCClockPhase*)entry3->GetObject();
-
- for(Int_t i = 0 ; i < 64; ++i) {
-
- for(Int_t j = 0; j < kNClocks; ++j) fAdc[i][j] = 0;
- fLeadingTime[i] = fTimeWidth[i] = 0;
-
- fPmGain[i] = fCalibData->GetGain(i);
-
- fAdcPedestal[i][0] = fCalibData->GetPedestal(i);
- fAdcSigma[i][0] = fCalibData->GetSigma(i);
- fAdcPedestal[i][1] = fCalibData->GetPedestal(i+64);
- fAdcSigma[i][1] = fCalibData->GetSigma(i+64);
-
- Int_t board = AliVZEROCalibData::GetBoardNumber(i);
- fNBins[i] = TMath::Nint(((Float_t)(fCalibData->GetMatchWindow(board)+1)*25.0+
- (Float_t)kMaxTDCWidth*fCalibData->GetWidthResolution(board))/
- fCalibData->GetTimeResolution(board));
- fNBinsLT[i] = TMath::Nint(((Float_t)(fCalibData->GetMatchWindow(board)+1)*25.0)/
- fCalibData->GetTimeResolution(board));
- fBinSize[i] = fCalibData->GetTimeResolution(board);
- fHptdcOffset[i] = (((Float_t)fCalibData->GetRollOver(board)-
- (Float_t)fCalibData->GetTriggerCountOffset(board))*25.0+
- fCalibData->GetTimeOffset(i)-
- l1Delay-
- phase->GetMeanPhase()+
- delays->GetBinContent(i+1)+
- kV0Offset);
- fClockOffset[i] = (((Float_t)fCalibData->GetRollOver(board)-
- (Float_t)fCalibData->GetTriggerCountOffset(board))*25.0+
- fCalibData->GetTimeOffset(i)-
- l1Delay+
- kV0Offset);
-
- fTime[i] = new Float_t[fNBins[i]];
- memset(fTime[i],0,fNBins[i]*sizeof(Float_t));
- }
-
- return kTRUE;
-}
-
-//____________________________________________________________________________
-void AliVZERODigitizer::Digitize(Option_t* /*option*/)
-{
- // Creates digits from hits
- fNdigits = 0;
-
- if (fVZERO && !fDigInput) {
- AliLoader *loader = fVZERO->GetLoader();
- if (!loader) {
- AliError("Can not get VZERO Loader via AliVZERO object!");
- return;
- }
- AliRunLoader* runLoader = AliRunLoader::Instance();
- for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) {
- runLoader->GetEvent(iEvent);
- if (fTask == kHits2Digits) {
- DigitizeHits();
- DigitizeSDigits();
- WriteDigits(loader);
- }
- else {
- DigitizeHits();
- WriteSDigits(loader);
- }
- }
- }
- else if (fDigInput) {
- ReadSDigits();
- DigitizeSDigits();
- AliRunLoader *currentLoader = AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName());
- AliLoader *loader = currentLoader->GetLoader("VZEROLoader");
- if (!loader) {
- AliError("Cannot get VZERO Loader via RunDigitizer!");
- return;
- }
- WriteDigits(loader);
- }
- else {
- AliFatal("Invalid digitization task! Exiting!");
- }
-}
-
-//____________________________________________________________________________
-void AliVZERODigitizer::AddDigit(Int_t pmnumber, Float_t time, Float_t width, Bool_t integrator, Short_t *chargeADC, Int_t *labels)
- {
-
-// Adds Digit
-
- TClonesArray &ldigits = *fDigits;
-
- new(ldigits[fNdigits++]) AliVZEROdigit(pmnumber,time,width,integrator,chargeADC,labels);
-
-}
-//____________________________________________________________________________
-void AliVZERODigitizer::AddSDigit(Int_t pmnumber, Int_t nbins, Float_t *charges, Int_t *labels)
- {
-
-// Adds SDigit
-
- TClonesArray &ldigits = *fDigits;
-
- new(ldigits[fNdigits++]) AliVZEROSDigit(pmnumber,nbins,charges,labels);
-
-}
-//____________________________________________________________________________
-void AliVZERODigitizer::ResetDigits()
-{
-
-// Clears Digits
-
- fNdigits = 0;
- if (fDigits) fDigits->Clear();
-}
-
-//____________________________________________________________________________
-AliVZEROCalibData* AliVZERODigitizer::GetCalibData() const
-
-{
- AliCDBManager *man = AliCDBManager::Instance();
-
- AliCDBEntry *entry=0;
-
- entry = man->Get("VZERO/Calib/Data");
-
-// if(!entry){
-// AliWarning("Load of calibration data from default storage failed!");
-// AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
-// Int_t runNumber = man->GetRun();
-// entry = man->GetStorage("local://$ALICE_ROOT/OCDB")
-// ->Get("VZERO/Calib/Data",runNumber);
-//
-// }
-
- // Retrieval of data in directory VZERO/Calib/Data:
-
-
- AliVZEROCalibData *calibdata = 0;
-
- if (entry) calibdata = (AliVZEROCalibData*) entry->GetObject();
- if (!calibdata) AliFatal("No calibration data from calibration database !");
-
- return calibdata;
-
-}
-
-double AliVZERODigitizer::SignalShape(double *x, double *par)
-{
- // this function simulates the time
- // of arrival of the photons at the
- // photocathode
- Double_t xx = x[0];
- if (xx <= par[0]) return 0;
- Double_t a = 1./TMath::Power((xx-par[0])/par[1],1./par[2]);
- if (xx <= par[3]) return a;
- Double_t b = 1./TMath::Power((xx-par[3])/par[4],1./par[5]);
- Double_t f = a*b/(a+b);
- AliDebug(100,Form("x=%f func=%f",xx,f));
- return f;
-}
-
-double AliVZERODigitizer::PMResponse(double *x, double * /* par */)
-{
- // this function describes the
- // PM time response to a single
- // photoelectron
- Double_t xx = x[0]+kPMRespTime;
- return xx*xx*TMath::Exp(-xx*xx/(kPMRespTime*kPMRespTime));
-}
-
-double AliVZERODigitizer::SinglePhESpectrum(double *x, double * /* par */)
-{
- // this function describes the
- // PM amplitude response to a single
- // photoelectron
- Double_t xx = x[0];
- if (xx < 0) return 0;
- return (TMath::Poisson(xx,kPMNbOfSecElec)+kPMTransparency*TMath::Poisson(xx,1.0));
-}
-
-Int_t AliVZERODigitizer::Cell2Pmt(Int_t cell) const
-{
- // The method maps the scintillator
- // indexes to the PM ones
- if (cell < 0 || cell >= 80) {
- AliError(Form("Wrong VZERO cell index %d",cell));
- return -1;
- }
- if (cell < 16) return cell;
- if (cell < 48) return 8 + cell/2;
- return cell - 16;
-}
-
-void AliVZERODigitizer::DigitizeHits()
-{
- // Digitize the hits to the level of
- // SDigits (fTime arrays)
-
- for(Int_t i = 0 ; i < 64; ++i) {
- memset(fTime[i],0,fNBins[i]*sizeof(Float_t));
- fLabels[i][0] = fLabels[i][1] = fLabels[i][2] = -1;
- }
- Float_t integral = fPMResponse->Integral(-kPMRespTime,2.*kPMRespTime);
- Float_t meansPhE = fSinglePhESpectrum->Mean(0,20);
-
- AliLoader* loader = fVZERO->GetLoader();
- if (!loader) {
- AliError("Can not get VZERO Loader!");
- return;
- }
- loader->LoadHits();
- TTree* treeH = loader->TreeH();
- if (!treeH) {
- AliError("Cannot get TreeH!");
- return;
- }
- TClonesArray* hits = fVZERO->Hits();
-
-// Now makes Digits from hits
- Int_t nTracks = (Int_t) treeH->GetEntries();
- for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
- fVZERO->ResetHits();
- treeH->GetEvent(iTrack);
- Int_t nHits = hits->GetEntriesFast();
- for (Int_t iHit = 0; iHit < nHits; iHit++) {
- AliVZEROhit* hit = (AliVZEROhit *)hits->UncheckedAt(iHit);
- Int_t nPhot = hit->Nphot();
- Int_t cell = hit->Cell();
- Int_t pmt = Cell2Pmt(cell);
- if (pmt < 0) continue;
- Int_t trackLabel = hit->GetTrack();
- for(Int_t l = 0; l < 3; ++l) {
- if (fLabels[pmt][l] < 0) {
- fLabels[pmt][l] = trackLabel;
- break;
- }
- }
- Float_t dt_scintillator = gRandom->Gaus(0,kIntTimeRes);
- Float_t t = dt_scintillator + 1e9*hit->Tof();
- if (pmt < 32) t += kV0CDelayCables;
- t += fHptdcOffset[pmt];
- Int_t nPhE;
- Float_t prob = fCalibData->GetLightYields(pmt)*fPhotoCathodeEfficiency; // Optical losses included!
- if (nPhot > 100)
- nPhE = (Int_t)gRandom->Gaus(prob*Float_t(nPhot)+0.5,
- sqrt(Float_t(nPhot)*prob*(1.-prob)));
- else
- nPhE = gRandom->Binomial(nPhot,prob);
- Float_t charge = TMath::Qe()*fPmGain[pmt]*fBinSize[pmt]/integral;
- for (Int_t iPhE = 0; iPhE < nPhE; ++iPhE) {
- Float_t tPhE = t + fSignalShape->GetRandom(0,fBinSize[pmt]*Float_t(fNBins[pmt]));
- Float_t gainVar = fSinglePhESpectrum->GetRandom(0,20)/meansPhE;
- Int_t firstBin = TMath::Max(0,(Int_t)((tPhE-kPMRespTime)/fBinSize[pmt]));
- Int_t lastBin = TMath::Min(fNBins[pmt]-1,(Int_t)((tPhE+2.*kPMRespTime)/fBinSize[pmt]));
- for(Int_t iBin = firstBin; iBin <= lastBin; ++iBin) {
- Float_t tempT = fBinSize[pmt]*(0.5+iBin)-tPhE;
- fTime[pmt][iBin] += gainVar*charge*fPMResponse->Eval(tempT);
- }
- } // ph.e. loop
- } // hit loop
- } // track loop
- loader->UnloadHits();
-}
-
-
-void AliVZERODigitizer::DigitizeSDigits()
-{
- // Digitize the fTime arrays (SDigits) to the level of
- // Digits (fAdc arrays)
- for(Int_t i = 0 ; i < 64; ++i) {
- for(Int_t j = 0; j < kNClocks; ++j) fAdc[i][j] = 0;
- fLeadingTime[i] = fTimeWidth[i] = 0;
- }
-
- Float_t maximum = 0.9*fSignalShape->GetMaximum(0,200); // Not exact, one needs to do this on the convoluted
- Float_t integral2 = fSignalShape->Integral(0,200); // function. Anyway the effect is small <10% on the 2.5 ADC thr
- for (Int_t ipmt = 0; ipmt < 64; ++ipmt) {
- Float_t thr = fCalibData->GetCalibDiscriThr(ipmt,kFALSE)*kChargePerADC*maximum*fBinSize[ipmt]/integral2;
- Bool_t ltFound = kFALSE, ttFound = kFALSE;
- for (Int_t iBin = 0; iBin < fNBins[ipmt]; ++iBin) {
- Float_t t = fBinSize[ipmt]*Float_t(iBin);
- if (fTime[ipmt][iBin] > thr) {
- if (!ltFound && (iBin < fNBinsLT[ipmt])) {
- ltFound = kTRUE;
- fLeadingTime[ipmt] = t;
- }
- }
- else {
- if (ltFound) {
- if (!ttFound) {
- ttFound = kTRUE;
- fTimeWidth[ipmt] = t - fLeadingTime[ipmt];
- }
- }
- }
- Float_t tadc = t - fClockOffset[ipmt];
- Int_t clock = kNClocks/2 - Int_t(tadc/25.0);
- if (clock >= 0 && clock < kNClocks)
- fAdc[ipmt][clock] += fTime[ipmt][iBin]/kChargePerADC;
- }
- AliDebug(1,Form("Channel %d Offset %f Time %f",ipmt,fClockOffset[ipmt],fLeadingTime[ipmt]));
- Int_t board = AliVZEROCalibData::GetBoardNumber(ipmt);
- if (ltFound && ttFound) {
- fTimeWidth[ipmt] = fCalibData->GetWidthResolution(board)*
- Float_t(Int_t(fTimeWidth[ipmt]/fCalibData->GetWidthResolution(board)));
- if (fTimeWidth[ipmt] < Float_t(kMinTDCWidth)*fCalibData->GetWidthResolution(board))
- fTimeWidth[ipmt] = Float_t(kMinTDCWidth)*fCalibData->GetWidthResolution(board);
- if (fTimeWidth[ipmt] > Float_t(kMaxTDCWidth)*fCalibData->GetWidthResolution(board))
- fTimeWidth[ipmt] = Float_t(kMaxTDCWidth)*fCalibData->GetWidthResolution(board);
- }
- }
-
- fEvenOrOdd = gRandom->Integer(2);
- for (Int_t j=0; j<64; ++j){
- for (Int_t iClock = 0; iClock < kNClocks; ++iClock) {
- Int_t integrator = (iClock + fEvenOrOdd) % 2;
- AliDebug(1,Form("ADC %d %d %f",j,iClock,fAdc[j][iClock]));
- fAdc[j][iClock] += gRandom->Gaus(fAdcPedestal[j][integrator], fAdcSigma[j][integrator]);
- }
- }
-
-}
-
-void AliVZERODigitizer::WriteDigits(AliLoader *loader)
-{
- // Take fAdc arrays filled by the previous
- // method and produce and add digits to the digit Tree
-
- loader->LoadDigits("UPDATE");
-
- if (!loader->TreeD()) loader->MakeTree("D");
- loader->MakeDigitsContainer();
- TTree* treeD = loader->TreeD();
- DigitsArray();
- treeD->Branch("VZERODigit", "TClonesArray", &fDigits);
-
- Short_t *chargeADC = new Short_t[kNClocks];
- for (Int_t i=0; i<64; i++) {
- for (Int_t j = 0; j < kNClocks; ++j) {
- Int_t tempadc = Int_t(fAdc[i][j]);
- if (tempadc > 1023) tempadc = 1023;
- chargeADC[j] = tempadc;
- }
- AddDigit(i, fLeadingTime[i], fTimeWidth[i], Bool_t((10+fEvenOrOdd)%2), chargeADC, fLabels[i]);
- }
- delete [] chargeADC;
-
- treeD->Fill();
- loader->WriteDigits("OVERWRITE");
- loader->UnloadDigits();
- ResetDigits();
-}
-
-void AliVZERODigitizer::WriteSDigits(AliLoader *loader)
-{
- // Take fTime arrays filled by the previous
- // method and produce and add sdigits to the sdigit Tree
-
- loader->LoadSDigits("UPDATE");
-
- if (!loader->TreeS()) loader->MakeTree("S");
- loader->MakeSDigitsContainer();
- TTree* treeS = loader->TreeS();
- SDigitsArray();
- treeS->Branch("VZEROSDigit", "TClonesArray", &fDigits);
-
- for (Int_t ipmt = 0; ipmt < 64; ++ipmt) {
- AddSDigit(ipmt,fNBins[ipmt],fTime[ipmt],fLabels[ipmt]);
- }
-
- treeS->Fill();
- loader->WriteSDigits("OVERWRITE");
- loader->UnloadSDigits();
- ResetDigits();
-}
-
-void AliVZERODigitizer::ReadSDigits()
-{
- // Read SDigits which are then to precessed
- // in the following method
- for(Int_t i = 0 ; i < 64; ++i) {
- memset(fTime[i],0,fNBins[i]*sizeof(Float_t));
- fLabels[i][0] = fLabels[i][1] = fLabels[i][2] = -1;
- }
-
- // Loop over input files
- Int_t nFiles= fDigInput->GetNinputs();
- for (Int_t inputFile = 0; inputFile < nFiles; inputFile++) {
- // Get the current loader
- AliRunLoader* currentLoader =
- AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(inputFile));
-
- AliLoader *loader = currentLoader->GetLoader("VZEROLoader");
- loader->LoadSDigits("READ");
-
- // Get the tree of summable digits
- TTree* sdigitsTree = loader->TreeS();
- if (!sdigitsTree) {
- AliError("No sdigit tree from digInput");
- continue;
- }
-
- // Get the branch
- TBranch* sdigitsBranch = sdigitsTree->GetBranch("VZEROSDigit");
- if (!sdigitsBranch) {
- AliError("Failed to get sdigit branch");
- return;
- }
-
- // Set the branch address
- TClonesArray *sdigitsArray = NULL;
- sdigitsBranch->SetAddress(&sdigitsArray);
-
- // Sum contributions from the sdigits
- // Get number of entries in the tree
- Int_t nentries = Int_t(sdigitsBranch->GetEntries());
- for (Int_t entry = 0; entry < nentries; ++entry) {
- sdigitsBranch->GetEntry(entry);
- // Get the number of sdigits
- Int_t nsdigits = sdigitsArray->GetEntries();
- for (Int_t sdigit = 0; sdigit < nsdigits; sdigit++) {
- AliVZEROSDigit* sDigit = static_cast<AliVZEROSDigit*>(sdigitsArray->UncheckedAt(sdigit));
- Int_t pmNumber = sDigit->PMNumber();
- Int_t nbins = sDigit->GetNBins();
- if (nbins != fNBins[pmNumber]) {
- AliError(Form("Incompatible number of bins between digitizer (%d) and sdigit (%d) for PM %d! Skipping sdigit!",
- fNBins[pmNumber],nbins,pmNumber));
- continue;
- }
- // Sum the charges
- Float_t *charges = sDigit->GetCharges();
- for(Int_t iBin = 0; iBin < nbins; ++iBin) fTime[pmNumber][iBin] += charges[iBin];
- // and the labels
- Int_t *labels = sDigit->GetTracks();
- Int_t j = 0;
- for(Int_t i = 0; i < 3; ++i) {
- if (fLabels[pmNumber][i] < 0) {
- if (labels[j] < 0) break;
- fLabels[pmNumber][i] = labels[j];
- j++;
- }
- }
- }
- }
- loader->UnloadSDigits();
- }
-}
-
-//____________________________________________________________________
-TClonesArray*
-AliVZERODigitizer::DigitsArray()
-{
- // Initialize digit array if not already and
- // return pointer to it.
- if (!fDigits) {
- fDigits = new TClonesArray("AliVZEROdigit", 64);
- fNdigits = 0;
- }
- return fDigits;
-}
-
-//____________________________________________________________________
-TClonesArray*
-AliVZERODigitizer::SDigitsArray()
-{
- // Initialize sdigit array if not already and
- // return pointer to it.
- if (!fDigits) {
- fDigits = new TClonesArray("AliVZEROSDigit", 64);
- fNdigits = 0;
- }
- return fDigits;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff