X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=VZERO%2FAliVZEROReconstructor.cxx;h=b430753f70aa3a765e775fcf97ef0d9e15bbd394;hb=5626950cd93b92753d12d49a44f8a7f0133df5ed;hp=8db8a7873c5bbf9edc948f119cd51a217cb9d5ed;hpb=cb2228e628cdbc6252b68fdbab9e9821de5b8b97;p=u%2Fmrichter%2FAliRoot.git diff --git a/VZERO/AliVZEROReconstructor.cxx b/VZERO/AliVZEROReconstructor.cxx index 8db8a7873c5..b430753f70a 100644 --- a/VZERO/AliVZEROReconstructor.cxx +++ b/VZERO/AliVZEROReconstructor.cxx @@ -21,19 +21,36 @@ /// // /////////////////////////////////////////////////////////////////////////////// - +#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" ClassImp(AliVZEROReconstructor) //_____________________________________________________________________________ AliVZEROReconstructor:: AliVZEROReconstructor(): AliReconstructor(), - fCalibData(GetCalibData()) + fESDVZERO(0x0), + fESD(0x0), + fESDVZEROfriend(0x0), + fCalibData(GetCalibData()), + fCollisionMode(0), + fBeamEnergy(0.) { // Default constructor // Get calibration data -// fCalibData = GetCalibData(); + // fCalibData = GetCalibData(); + } @@ -52,13 +69,205 @@ AliVZEROReconstructor::~AliVZEROReconstructor() { // 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 - pedestal is subtracted + + 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_max[64], adc[64]; + Bool_t BBFlag[64], BGFlag[64], integrator[64]; + Float_t time[64], width[64]; + for(Int_t i=0; i<64; i++) { + // Search for the maximum charge in the train of 21 LHC clocks + // regardless of the integrator which has been operated: + ADC_max[i] = 0.0; + Int_t imax = 0; + for(Int_t iClock=0; iClock<21; iClock++){ + if(rawStream.GetPedestal(i,iClock) > ADC_max[i]) + {ADC_max[i]= rawStream.GetPedestal(i,iClock); + imax = iClock;} + } + // Convert i (FEE channel numbering) to j (aliroot channel numbering) + Int_t j = rawStream.GetOfflineChannel(i); + adc[j] = ADC_max[i]; + time[j] = rawStream.GetTime(i); + width[j] = rawStream.GetWidth(i); + 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,rawStream.GetTime(i)); + fESDVZEROfriend->SetWidth(j,rawStream.GetWidth(i)); + } + + // 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++) { + 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 + + 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; eGetEvent(e); + + Int_t nDigits = digitsArray->GetEntriesFast(); + + for (Int_t d=0; dAt(d); + Int_t pmNumber = digit->PMNumber(); + // Pedestal retrieval and suppression: + Float_t pedestal = fCalibData->GetPedestal(d); + adc[pmNumber] = digit->ADC() - pedestal; + time[pmNumber] = digit->Time(); + width[pmNumber] = digit->Width(); + BBFlag[pmNumber]= digit->BBFlag(); + BGFlag[pmNumber]= digit->BGFlag(); + // printf("PM = %d, MIP per ADC channel = %f \n",pmNumber, fCalibData->GetMIPperADC(pmNumber)); + //AliInfo(Form("PM = %d, ADC = %f TDC %f",pmNumber, digit->ADC(),digit->Time())); + // cut of ADC at 1MIP/2 + if(fCollisionMode >0) { + Float_t MIP = 2.0; + if (adc[pmNumber] > (MIP/2.) ) mult[pmNumber] += adc[pmNumber]*(1.0/MIP) ; + } + else{ + if (adc[pmNumber] > (1.0/fCalibData->GetMIPperADC(pmNumber) /2.) ) + 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(); @@ -73,18 +282,74 @@ AliCDBStorage* AliVZEROReconstructor::SetStorage(const char *uri) 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() +{ +// Retrieves the collision mode from GRP data + +// Initialization of the GRP entry + + Int_t run = AliCDBManager::Instance()->GetRun(); + +// printf("\n ++++++ Run Number retrieved as %d \n",run); + + AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data",run); + AliGRPObject* grpData = 0x0; + + if(entry){ + TMap* m = dynamic_cast(entry->GetObject()); // old GRP entry + if(m){ + m->Print(); + grpData = new AliGRPObject(); + grpData->ReadValuesFromMap(m); + } + else{ + grpData = dynamic_cast(entry->GetObject()); // new GRP entry + entry->SetOwner(0); + } + AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data"); + } + + if(!grpData) { AliError("No GRP entry found in OCDB!"); + return; } + +// Retrieval of simulated collision mode + + TString beamType = grpData->GetBeamType(); + if(beamType==AliGRPObject::GetInvalidString()){ + AliError("GRP/GRP/Data entry: missing value for the beam type !"); + AliError("\t VZERO cannot retrieve beam type\n"); + 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 = grpData->GetBeamEnergy(); + if(fBeamEnergy==AliGRPObject::GetInvalidFloat()) { + AliError("GRP/GRP/Data entry: missing value for the beam energy ! Using 0"); + fBeamEnergy = 0.; + } + +// printf("\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(); @@ -92,22 +357,21 @@ AliVZEROCalibData* AliVZEROReconstructor::GetCalibData() const 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; }