/// //
///////////////////////////////////////////////////////////////////////////////
-
+#include "AliRunLoader.h"
+#include "AliRawReader.h"
+#include "AliGRPObject.h"
+#include "AliCDBManager.h"
+#include "AliCDBStorage.h"
+#include "AliCDBEntry.h"
#include "AliVZEROReconstructor.h"
+#include "AliVZERORawStream.h"
+#include "AliESDEvent.h"
+#include "AliVZEROTriggerMask.h"
+#include "AliESDfriend.h"
+#include "AliESDVZEROfriend.h"
+#include "AliVZEROdigit.h"
+#include "AliVZEROCalibData.h"
+#include "AliRunInfo.h"
ClassImp(AliVZEROReconstructor)
//_____________________________________________________________________________
-AliVZEROReconstructor:: AliVZEROReconstructor()
+AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(),
+ fESDVZERO(0x0),
+ fESD(0x0),
+ fESDVZEROfriend(0x0),
+ fCalibData(GetCalibData()),
+ fCollisionMode(0),
+ fBeamEnergy(0.)
{
// Default constructor
-
// Get calibration data
- fCalibData = GetCalibData();
+ // fCalibData = GetCalibData();
+
}
{
// destructor
+ delete fESDVZERO;
+ delete fESDVZEROfriend;
}
+//_____________________________________________________________________________
+void AliVZEROReconstructor::Init()
+{
+// initializer
+
+ fESDVZERO = new AliESDVZERO;
+ fESDVZEROfriend = new AliESDVZEROfriend;
+
+ GetCollisionMode(); // fCollisionMode =1 for Pb-Pb simulated data
+}
+
+//______________________________________________________________________
+void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
+{
+// converts RAW to digits
+
+ if (!digitsTree) {
+ AliError("No digits tree!");
+ return;
+ }
+
+ TClonesArray* digitsArray = new TClonesArray("AliVZEROdigit");
+ digitsTree->Branch("VZERODigit", &digitsArray);
+
+ fESDVZEROfriend->Reset();
+
+ rawReader->Reset();
+ AliVZERORawStream rawStream(rawReader);
+ if (rawStream.Next()) {
+ Float_t adc[64];
+ Float_t time[64], width[64];
+ Bool_t BBFlag[64], BGFlag[64], integrator[64];
+ for(Int_t i=0; i<64; i++) {
+ Int_t j = rawStream.GetOfflineChannel(i);
+ adc[j] = 0.0;
+ time[j] = 0.0;
+ width[j] = 0.0;
+ BBFlag[j] = kFALSE;
+ BGFlag[j] = kFALSE;
+ integrator[j] = kFALSE;
+ // Search for the maximum charge in the train of 21 LHC clocks
+ // regardless of the integrator which has been operated:
+ Float_t maxadc = 0;
+ Int_t imax = -1;
+ Float_t adcPedSub[21];
+ for(Int_t iClock=0; iClock<21; iClock++){
+ Bool_t iIntegrator = rawStream.GetIntegratorFlag(i,iClock);
+ Int_t k = j+64*iIntegrator;
+ adcPedSub[iClock] = rawStream.GetPedestal(i,iClock) - fCalibData->GetPedestal(k);
+ if(adcPedSub[iClock] <= GetRecoParam()->GetNSigmaPed()*fCalibData->GetSigma(k)) {
+ adcPedSub[iClock] = 0;
+ continue;
+ }
+ if(iClock < GetRecoParam()->GetStartClock() || iClock > GetRecoParam()->GetEndClock()) continue;
+ if(adcPedSub[iClock] > maxadc) {
+ maxadc = adcPedSub[iClock];
+ imax = iClock;
+ }
+ }
+
+ AliDebug(2,Form("Channel %d (online), %d (offline)",i,j));
+ if (imax != -1) {
+ Int_t start = imax - GetRecoParam()->GetNPreClocks();
+ if (start < 0) start = 0;
+ Int_t end = imax + GetRecoParam()->GetNPostClocks();
+ if (end > 20) end = 20;
+ for(Int_t iClock = start; iClock <= end; iClock++) {
+ if (iClock == imax)
+ adc[j] += rawStream.GetPedestal(i,iClock);
+ else
+ adc[j] += adcPedSub[iClock];
+
+ AliDebug(2,Form("clock = %d adc = %f",iClock,rawStream.GetPedestal(i,iClock)));
+ }
+ // Convert i (FEE channel numbering) to j (aliroot channel numbering)
+
+ Int_t board = j / 8;
+ time[j] = rawStream.GetTime(i)/ (25./256.) * fCalibData->GetTimeResolution(board);
+ width[j] = rawStream.GetWidth(i) / 0.4 * fCalibData->GetWidthResolution(board);
+ BBFlag[j] = rawStream.GetBBFlag(i,imax);
+ BGFlag[j] = rawStream.GetBGFlag(i,imax);
+ integrator[j] = rawStream.GetIntegratorFlag(i,imax);
+ }
+
+ // Filling the esd friend object
+ fESDVZEROfriend->SetBBScalers(j,rawStream.GetBBScalers(i));
+ fESDVZEROfriend->SetBGScalers(j,rawStream.GetBGScalers(i));
+ for (Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++) {
+ fESDVZEROfriend->SetChargeMB(j,iBunch,rawStream.GetChargeMB(i,iBunch));
+ fESDVZEROfriend->SetIntMBFlag(j,iBunch,rawStream.GetIntMBFlag(i,iBunch));
+ fESDVZEROfriend->SetBBMBFlag(j,iBunch,rawStream.GetBBMBFlag(i,iBunch));
+ fESDVZEROfriend->SetBGMBFlag(j,iBunch,rawStream.GetBGMBFlag(i,iBunch));
+ }
+ for (Int_t iEv = 0; iEv < AliESDVZEROfriend::kNEvOfInt; iEv++) {
+ fESDVZEROfriend->SetPedestal(j,iEv,rawStream.GetPedestal(i,iEv));
+ fESDVZEROfriend->SetIntegratorFlag(j,iEv,rawStream.GetIntegratorFlag(i,iEv));
+ fESDVZEROfriend->SetBBFlag(j,iEv,rawStream.GetBBFlag(i,iEv));
+ fESDVZEROfriend->SetBGFlag(j,iEv,rawStream.GetBGFlag(i,iEv));
+ }
+ fESDVZEROfriend->SetTime(j,time[j]);
+ fESDVZEROfriend->SetWidth(j,width[j]);
+ }
+
+ // Filling the esd friend object
+ fESDVZEROfriend->SetTriggerInputs(rawStream.GetTriggerInputs());
+ fESDVZEROfriend->SetTriggerInputsMask(rawStream.GetTriggerInputsMask());
+
+ for(Int_t iScaler = 0; iScaler < AliESDVZEROfriend::kNScalers; iScaler++)
+ fESDVZEROfriend->SetTriggerScalers(iScaler,rawStream.GetTriggerScalers(iScaler));
+
+ for(Int_t iBunch = 0; iBunch < AliESDVZEROfriend::kNBunches; iBunch++)
+ fESDVZEROfriend->SetBunchNumbersMB(iBunch,rawStream.GetBunchNumbersMB(iBunch));
+
+
+ // Channels(aliroot numbering) will be ordered in the tree
+ for(Int_t iChannel = 0; iChannel < 64; iChannel++) {
+ if(fCalibData->IsChannelDead(iChannel)){
+ adc[iChannel] = (Float_t) kInvalidADC;
+ time[iChannel] = (Float_t) kInvalidTime;
+ }
+ if (adc[iChannel] > 0)
+ new ((*digitsArray)[digitsArray->GetEntriesFast()])
+ AliVZEROdigit(iChannel, adc[iChannel], time[iChannel],
+ width[iChannel], BBFlag[iChannel], BGFlag[iChannel],integrator[iChannel]);
+
+ }
+ digitsTree->Fill();
+ }
+}
+
+//______________________________________________________________________
+void AliVZEROReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/,
+ AliESDEvent* esd) const
+{
+// fills multiplicities to the ESD - pedestal is now subtracted
+
+ if (!digitsTree) {
+ AliError("No digits tree!");
+ return;
+ }
+
+ TClonesArray* digitsArray = NULL;
+ TBranch* digitBranch = digitsTree->GetBranch("VZERODigit");
+ digitBranch->SetAddress(&digitsArray);
+
+ Float_t mult[64];
+ Float_t adc[64];
+ Float_t time[64];
+ Float_t width[64];
+ Bool_t BBFlag[64];
+ Bool_t BGFlag[64];
+
+ for (Int_t i=0; i<64; i++){
+ adc[i] = 0.0;
+ mult[i] = 0.0;
+ time[i] = 0.0;
+ width[i] = 0.0;
+ BBFlag[i] = kFALSE;
+ BGFlag[i] = kFALSE;
+ }
+
+ // loop over VZERO entries to get multiplicity
+ Int_t nEntries = (Int_t)digitsTree->GetEntries();
+ for (Int_t e=0; e<nEntries; e++) {
+ digitsTree->GetEvent(e);
+
+ Int_t nDigits = digitsArray->GetEntriesFast();
+
+ for (Int_t d=0; d<nDigits; d++) {
+ AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);
+ Int_t pmNumber = digit->PMNumber();
+ // Pedestal retrieval and suppression:
+ Bool_t integrator = digit->Integrator();
+ Float_t pedestal = fCalibData->GetPedestal(d + 64*integrator);
+ adc[pmNumber] = digit->ADC() - pedestal;
+ time[pmNumber] = digit->Time();
+ width[pmNumber] = digit->Width();
+ BBFlag[pmNumber]= digit->BBFlag();
+ BGFlag[pmNumber]= digit->BGFlag();
+
+ AliDebug(2,Form("PM = %d ADC = %f TDC %f",pmNumber, digit->ADC(),digit->Time()));
+
+ Int_t k = pmNumber+64*integrator;
+ if(adc[pmNumber] > (fCalibData->GetPedestal(k) + GetRecoParam()->GetNSigmaPed()*fCalibData->GetSigma(k))) {
+ mult[pmNumber] += adc[pmNumber]*fCalibData->GetMIPperADC(pmNumber);
+ }
+ } // end of loop over digits
+ } // end of loop over events in digits tree
+
+ fESDVZERO->SetMultiplicity(mult);
+ fESDVZERO->SetADC(adc);
+ fESDVZERO->SetTime(time);
+ fESDVZERO->SetWidth(width);
+ fESDVZERO->SetBBFlag(BBFlag);
+ fESDVZERO->SetBGFlag(BGFlag);
+
+ // now get the trigger mask
+
+ AliVZEROTriggerMask *TriggerMask = new AliVZEROTriggerMask();
+ TriggerMask->SetAdcThreshold(10.0/2.0);
+ TriggerMask->SetTimeWindowWidthBBA(50);
+ TriggerMask->SetTimeWindowWidthBGA(20);
+ TriggerMask->SetTimeWindowWidthBBC(50);
+ TriggerMask->SetTimeWindowWidthBGC(20);
+ TriggerMask->FillMasks(digitsTree,digitsArray);
+
+ fESDVZERO->SetBBtriggerV0A(TriggerMask->GetBBtriggerV0A());
+ fESDVZERO->SetBGtriggerV0A(TriggerMask->GetBGtriggerV0A());
+ fESDVZERO->SetBBtriggerV0C(TriggerMask->GetBBtriggerV0C());
+ fESDVZERO->SetBGtriggerV0C(TriggerMask->GetBGtriggerV0C());
+ if (esd) {
+ AliDebug(1, Form("Writing VZERO data to ESD tree"));
+ esd->SetVZEROData(fESDVZERO);
+ }
+
+ if (esd) {
+ AliESDfriend *fr = (AliESDfriend*)esd->FindListObject("AliESDfriend");
+ if (fr) {
+ AliDebug(1, Form("Writing VZERO friend data to ESD tree"));
+ fr->SetVZEROfriend(fESDVZEROfriend);
+ }
+ }
+}
+
//_____________________________________________________________________________
AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri)
{
-
+// Sets the storage
+
Bool_t deleteManager = kFALSE;
AliCDBManager *manager = AliCDBManager::Instance();
AliCDBStorage *storage = manager->GetDefaultStorage();
if(deleteManager){
- AliCDBManager::Instance()->UnsetDefaultStorage();
- defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
+ AliCDBManager::Instance()->UnsetDefaultStorage();
+ defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
}
return storage;
}
+//____________________________________________________________________________
+void AliVZEROReconstructor::GetCollisionMode()
+{
+ // Retrieval of collision mode
+
+ TString beamType = GetRunInfo()->GetBeamType();
+ if(beamType==AliGRPObject::GetInvalidString()){
+ AliError("VZERO cannot retrieve beam type");
+ return;
+ }
+
+ if( (beamType.CompareTo("P-P") ==0) || (beamType.CompareTo("p-p") ==0) ){
+ fCollisionMode=0;
+ }
+ else if( (beamType.CompareTo("Pb-Pb") ==0) || (beamType.CompareTo("A-A") ==0) ){
+ fCollisionMode=1;
+ }
+
+ fBeamEnergy = GetRunInfo()->GetBeamEnergy();
+ if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) {
+ AliError("Missing value for the beam energy ! Using 0");
+ fBeamEnergy = 0.;
+ }
+
+ AliDebug(1,Form("\n ++++++ Beam type and collision mode retrieved as %s %d @ %1.3f GeV ++++++\n\n",beamType.Data(), fCollisionMode, fBeamEnergy));
+
+}
+
//_____________________________________________________________________________
AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const
{
-
- // Getting calibration object for VZERO set
+ // Gets calibration object for VZERO set
AliCDBManager *man = AliCDBManager::Instance();
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")
- ->Get("VZERO/Calib/Data",runNumber);
-
- }
+// 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) AliError("No calibration data from calibration database !");
+ if (!calibdata) AliFatal("No calibration data from calibration database !");
return calibdata;
}