X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;ds=sidebyside;f=ZDC%2FAliZDCDigitizer.cxx;h=838903c4fd41077724810d0e81f9016339a35847;hb=11605d8748a57f6cce5d5c99be423e9fd627f694;hp=e010758be83dde796f84ff95e84bd4abe06b3193;hpb=e521c5a0e7ae1d261dd9ac46d70449350221fde6;p=u%2Fmrichter%2FAliRoot.git diff --git a/ZDC/AliZDCDigitizer.cxx b/ZDC/AliZDCDigitizer.cxx index e010758be83..838903c4fd4 100644 --- a/ZDC/AliZDCDigitizer.cxx +++ b/ZDC/AliZDCDigitizer.cxx @@ -21,7 +21,9 @@ // // /////////////////////////////////////////////////////////////////////////////// +// --- Standard libraries #include +#include // --- ROOT system #include @@ -30,157 +32,335 @@ #include // --- AliRoot header files -#include "AliLog.h" #include "AliRun.h" #include "AliHeader.h" #include "AliGenHijingEventHeader.h" -#include "AliRunDigitizer.h" +#include "AliGenCocktailEventHeader.h" +#include "AliDigitizationInput.h" #include "AliRunLoader.h" -#include "AliCDBStorage.h" +#include "AliLoader.h" +#include "AliGRPObject.h" +#include "AliCDBManager.h" #include "AliCDBEntry.h" #include "AliZDCSDigit.h" #include "AliZDCDigit.h" #include "AliZDCFragment.h" +#include "AliZDCv3.h" #include "AliZDCDigitizer.h" -#include "AliZDCCalibData.h" + +class AliCDBStorage; +class AliZDCPedestals; ClassImp(AliZDCDigitizer) //____________________________________________________________________________ -AliZDCDigitizer::AliZDCDigitizer() +AliZDCDigitizer::AliZDCDigitizer() : + fIsCalibration(0), + fIsSignalInADCGate(kFALSE), + fFracLostSignal(0.), + fPedData(0), + fSpectators2Track(kFALSE), + fBeamEnergy(0.), + fBeamType(""), + fIspASystem(kFALSE), + fIsRELDISgen(kFALSE), + fSpectatorData(0) { -// Default constructor - + // Default constructor + for(Int_t i=0; i<2; i++) fADCRes[i]=0.; } //____________________________________________________________________________ -AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager): - AliDigitizer(manager) +AliZDCDigitizer::AliZDCDigitizer(AliDigitizationInput* digInput): + AliDigitizer(digInput), + fIsCalibration(0), //By default the simulation doesn't create calib. data + fIsSignalInADCGate(kFALSE), + fFracLostSignal(0.), + fPedData(GetPedData()), + fSpectators2Track(kFALSE), + fBeamEnergy(0.), + fBeamType(""), + fIspASystem(kFALSE), + fIsRELDISgen(kFALSE), + fSpectatorData(NULL) { - // Constructor - // if(!fStorage) fStorage = AliCDBManager::Instance()->GetStorage("local://DBlocal"); + // Get calibration data + if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n"); + for(Int_t i=0; i<5; i++){ + for(Int_t j=0; j<5; j++) + fPMGain[i][j] = 0.; + } } //____________________________________________________________________________ AliZDCDigitizer::~AliZDCDigitizer() { // Destructor - + if(fSpectatorData!=NULL){ + fSpectatorData->Close(); + delete fSpectatorData; + } } +//____________________________________________________________________________ +AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer): + AliDigitizer(), + fIsCalibration(digitizer.fIsCalibration), + fIsSignalInADCGate(digitizer.fIsSignalInADCGate), + fFracLostSignal(digitizer.fFracLostSignal), + fPedData(digitizer.fPedData), + fSpectators2Track(digitizer.fSpectators2Track), + fBeamEnergy(digitizer.fBeamEnergy), + fBeamType(digitizer.fBeamType), + fIspASystem(digitizer.fIspASystem), + fIsRELDISgen(digitizer.fIsRELDISgen), + fSpectatorData(digitizer.fSpectatorData) +{ + // Copy constructor + + for(Int_t i=0; i<5; i++){ + for(Int_t j=0; j<5; j++){ + fPMGain[i][j] = digitizer.fPMGain[i][j]; + } + } + for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i]; + + +} + //____________________________________________________________________________ Bool_t AliZDCDigitizer::Init() { // Initialize the digitizer - // NB -> PM gain vs. HV & ADC resolutions will move to DCDB *************** - for (Int_t i = 0; i < 3; i++) { - for(Int_t j = 0; j < 5; j++) { - fPMGain[i][j] = 100000.; + + + //printf(" **** Initializing AliZDCDigitizer fBeamEnergy = %1.0f GeV\n\n", fBeamEnergy); + AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data"); + if(!entry) AliFatal("No calibration data loaded!"); + 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! \n "); + return kFALSE; + } + + fBeamType = grpData->GetBeamType(); + if(fBeamType==AliGRPObject::GetInvalidString()){ + AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); + } + + // If beam energy is not set from Config.C (RELDIS / spectator generators) + if(fBeamEnergy<0.01){ + fBeamEnergy = grpData->GetBeamEnergy(); + if(fBeamEnergy==AliGRPObject::GetInvalidFloat()){ + AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0."); + AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n"); + fBeamEnergy = 0.; + } + } + + /*if(fIspASystem){ + fBeamType = "p-A"; + AliInfo(" AliZDCDigitizer -> Manually setting beam type to p-A\n"); + }*/ + + // Setting beam type for spectator generator and RELDIS generator + if(((fBeamType.CompareTo("UNKNOWN")) == 0) || fIsRELDISgen){ + fBeamType = "A-A"; + AliInfo(" AliZDCDigitizer -> Manually setting beam type to A-A\n"); + } + printf("\n\t AliZDCDigitizer -> beam type %s - beam energy = %f GeV\n", fBeamType.Data(), fBeamEnergy); + if(fSpectators2Track) printf("\n\t AliZDCDigitizer -> spectator signal added at digit level\n\n"); + + if(fBeamEnergy>0.1){ + ReadPMTGains(); + //CalculatePMTGains(); + } + else{ + AliWarning("\n Beam energy is 0 -> ZDC PMT gains can't be set -> NO ZDC DIGITS!!!\n"); } + // ADC Caen V965 - fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh - fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh + fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh + fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh return kTRUE; } //____________________________________________________________________________ -void AliZDCDigitizer::Exec(Option_t* /*option*/) +void AliZDCDigitizer::Digitize(Option_t* /*option*/) { // Execute digitization - Float_t pm[3][5]; - // --- pm[0][...] = light in ZN [C, Q1, Q2, Q3, Q4] - // --- pm[1][...] = light in ZP [C, Q1, Q2, Q3, Q4] + // ------------------------------------------------------------ + // !!! 2nd ZDC set added + // *** 1st 3 arrays are digits from REAL (simulated) hits + // *** last 2 are copied from simulated digits + // --- pm[0][...] = light in ZN side C [C, Q1, Q2, Q3, Q4] + // --- pm[1][...] = light in ZP side C [C, Q1, Q2, Q3, Q4] // --- pm[2][...] = light in ZEM [x, 1, 2, x, x] - for (Int_t iSector1 = 0; iSector1 < 3; iSector1++) - for (Int_t iSector2 = 0; iSector2 < 5; iSector2++) { + // --- pm[3][...] = light in ZN side A [C, Q1, Q2, Q3, Q4] ->NEW! + // --- pm[4][...] = light in ZP side A [C, Q1, Q2, Q3, Q4] ->NEW! + // ------------------------------------------------------------ + Float_t pm[5][5]; + for(Int_t iSector1=0; iSector1<5; iSector1++) + for(Int_t iSector2=0; iSector2<5; iSector2++){ pm[iSector1][iSector2] = 0; } + + // ------------------------------------------------------------ + // ### Out of time ADC added (22 channels) + // --- same codification as for signal PTMs (see above) + // ------------------------------------------------------------ + // Float_t pmoot[5][5]; + // for(Int_t iSector1=0; iSector1<5; iSector1++) + // for(Int_t iSector2=0; iSector2<5; iSector2++){ + // pmoot[iSector1][iSector2] = 0; + // } // impact parameter and number of spectators - Float_t impPar = -1; - Int_t specN = 0; - Int_t specP = 0; + Float_t impPar = 0; + Int_t specNTarg = 0, specPTarg = 0; + Int_t specNProj = 0, specPProj = 0; + Float_t signalTime0 = 0.; // loop over input streams - for (Int_t iInput = 0; iInput < fManager->GetNinputs(); iInput++) { + for(Int_t iInput = 0; iInputGetNinputs(); iInput++){ // get run loader and ZDC loader AliRunLoader* runLoader = - AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput)); + AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(iInput)); AliLoader* loader = runLoader->GetLoader("ZDCLoader"); - if (!loader) continue; + if(!loader) continue; // load sdigits loader->LoadSDigits(); TTree* treeS = loader->TreeS(); - if (!treeS) continue; + if(!treeS) continue; AliZDCSDigit sdigit; AliZDCSDigit* psdigit = &sdigit; treeS->SetBranchAddress("ZDC", &psdigit); // loop over sdigits - for (Int_t iSDigit = 0; iSDigit < treeS->GetEntries(); iSDigit++) { + for(Int_t iSDigit=0; iSDigitGetEntries(); iSDigit++){ treeS->GetEntry(iSDigit); - if (!psdigit) continue; - - if ((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)) { + // + if(!psdigit) continue; + if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){ AliError(Form("\nsector[0] = %d, sector[1] = %d\n", sdigit.GetSector(0), sdigit.GetSector(1))); continue; } + // Checking if signal is inside ADC gate + if(iSDigit==0) signalTime0 = sdigit.GetTrackTime(); + else{ + // Assuming a signal lenght of 20 ns, signal is in gate if + // signal ENDS in signalTime0+50. -> sdigit.GetTrackTime()+20<=signalTime0+50. + if(sdigit.GetTrackTime()<=signalTime0+30.) fIsSignalInADCGate = kTRUE; + if(sdigit.GetTrackTime()>signalTime0+30.){ + fIsSignalInADCGate = kFALSE; + // Vedi quaderno per spiegazione approx. usata nel calcolo della fraz. di segnale perso + fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.; + } + } + + Float_t sdSignal = sdigit.GetLightPM(); + if(fIsSignalInADCGate == kFALSE){ + AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n", + sdigit.GetTrackTime(),fFracLostSignal,sdigit.GetSector(0),sdigit.GetSector(1))); + sdSignal = (1-fFracLostSignal)*sdSignal; + } + pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM(); - printf("\n\t Detector (%d, %d), pm[%d][%d] = %.0f \n", + //Ch. debug + /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n", sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1, - sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); // Chiara debugging! + sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); + */ + } - // unload sdigits loader->UnloadSDigits(); // get the impact parameter and the number of spectators in case of hijing - if (!runLoader->GetAliRun()) runLoader->LoadgAlice(); - AliHeader* header = runLoader->GetAliRun()->GetHeader(); - if (!header) continue; + if(!runLoader->GetAliRun()) runLoader->LoadgAlice(); + AliHeader* header = runLoader->GetHeader(); + if(!header) continue; AliGenEventHeader* genHeader = header->GenEventHeader(); - if (!genHeader) continue; - if (!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue; - impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter(); - // - specN = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn(); - specP = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp(); - AliDebug(2, Form("\n b = %f fm, Nspecn = %d, Nspecp = %d\n", - impPar, specN, specP)); - printf("\n\t **** b = %f fm, Nspecn = %d, Nspecp = %d\n", - impPar, specN, specP); - } - - // add spectators - if (impPar >= 0) { - Int_t freeSpecN, freeSpecP; - Fragmentation(impPar, specN, specP, freeSpecN, freeSpecP); - printf("\n\t ---- Adding signal for %d free spectator n\n",freeSpecN); - SpectatorSignal(1, freeSpecN, pm); - printf("\t ---- Adding signal for %d free spectator p\n\n",freeSpecP); - SpectatorSignal(2, freeSpecP, pm); + if(!genHeader) continue; + AliGenHijingEventHeader *hijingHeader = 0; + if(genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) hijingHeader = dynamic_cast (genHeader); + else if(genHeader->InheritsFrom(AliGenCocktailEventHeader::Class())){ + TList* listOfHeaders = ((AliGenCocktailEventHeader*) genHeader)->GetHeaders(); + if(listOfHeaders){ + for(Int_t iH = 0; iH < listOfHeaders->GetEntries(); ++iH) { + AliGenEventHeader *currHeader = dynamic_cast (listOfHeaders->At(iH)); + if (currHeader && currHeader->InheritsFrom(AliGenHijingEventHeader::Class())) { + hijingHeader = dynamic_cast (currHeader); + break; + } + } + } + else{ + printf(" No list of headers from generator \n"); + } + } + if(!hijingHeader){ + printf(" No HIJING header found in list of headers from generator\n"); + } + + if(hijingHeader && fSpectators2Track==kTRUE){ + impPar = hijingHeader->ImpactParameter(); + specNProj = hijingHeader->ProjSpectatorsn(); + specPProj = hijingHeader->ProjSpectatorsp(); + specNTarg = hijingHeader->TargSpectatorsn(); + specPTarg = hijingHeader->TargSpectatorsp(); + /*printf("\t AliZDCDigitizer: b = %1.2f fm\n" + " \t PROJECTILE: #spectator n %d, #spectator p %d\n" + " \t TARGET: #spectator n %d, #spectator p %d\n", + impPar, specNProj, specPProj, specNTarg, specPTarg);*/ + + // Applying fragmentation algorithm and adding spectator signal + Int_t freeSpecNProj=0, freeSpecPProj=0; + if(specNProj!=0 || specPProj!=0) Fragmentation(impPar, specNProj, specPProj, freeSpecNProj, freeSpecPProj); + Int_t freeSpecNTarg=0, freeSpecPTarg=0; + if(specNTarg!=0 || specPTarg!=0) Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg); + if(freeSpecNProj!=0) SpectatorSignal(1, freeSpecNProj, pm); + if(freeSpecPProj!=0) SpectatorSignal(2, freeSpecPProj, pm); + //printf("\t AliZDCDigitizer -> Adding spectator signal for PROJECTILE: %d free n and %d free p\n",freeSpecNProj,freeSpecPProj); + if(freeSpecNTarg!=0) SpectatorSignal(3, freeSpecNTarg, pm); + if(freeSpecPTarg!=0) SpectatorSignal(4, freeSpecPTarg, pm); + //printf("\t AliZDCDigitizer -> Adding spectator signal for TARGET: %d free n and %d free p\n",freeSpecNTarg,freeSpecPTarg); + } } + // get the output run loader and loader AliRunLoader* runLoader = - AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); + AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName()); AliLoader* loader = runLoader->GetLoader("ZDCLoader"); - if (!loader) { + if(!loader) { AliError("no ZDC loader found"); return; } // create the output tree const char* mode = "update"; - if (runLoader->GetEventNumber() == 0) mode = "recreate"; + if(runLoader->GetEventNumber() == 0) mode = "recreate"; loader->LoadDigits(mode); loader->MakeTree("D"); TTree* treeD = loader->TreeD(); @@ -191,19 +371,75 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) // Create digits Int_t sector[2]; - Int_t digi[2]; - for (sector[0] = 1; sector[0] <= 3; sector[0]++) - for (sector[1] = 0; sector[1] < 5; sector[1]++) { - if ((sector[0] == 3) && ((sector[1] < 1) || (sector[1] > 2))) continue; - for (Int_t res = 0; res < 2; res++){ - digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) + Int_t digi[2], digioot[2]; + for(sector[0]=1; sector[0]<6; sector[0]++){ + for(sector[1]=0; sector[1]<5; sector[1]++){ + if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; + for(Int_t res=0; res<2; res++){ + digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res) + Pedestal(sector[0], sector[1], res); - printf("\t DIGIT added -> det = %d, quad = %d - digi[%d] = %d\n\n", - sector[0], sector[1], res, digi[res]); // Chiara debugging! - } - new(pdigit) AliZDCDigit(sector, digi); + } + new(pdigit) AliZDCDigit(sector, digi); treeD->Fill(); + + //Ch. debug + //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n", + // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging! + } + } // Loop over detector + // Adding in-time digits for 2 reference PTM signals (after signal ch.) + // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!) + Int_t sectorRef[2]; + sectorRef[1] = 5; + Int_t sigRef[2]; + // Reference signal are set to 100 (high gain chain) and 800 (low gain chain) + if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;} + else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values + // + for(Int_t iref=0; iref<2; iref++){ + sectorRef[0] = 3*iref+1; + for(Int_t res=0; res<2; res++){ + sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res); + } + new(pdigit) AliZDCDigit(sectorRef, sigRef); + treeD->Fill(); + + //Ch. debug + //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", + // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging! + } + // + // --- Adding digits for out-of-time channels after signal digits + for(sector[0]=1; sector[0]<6; sector[0]++){ + for(sector[1]=0; sector[1]<5; sector[1]++){ + if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue; + for(Int_t res=0; res<2; res++){ + digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs + } + new(pdigit) AliZDCDigit(sector, digioot); + treeD->Fill(); + + //Ch. debug + //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", + // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging! + } + } + // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.) + Int_t sigRefoot[2]; + for(Int_t iref=0; iref<2; iref++){ + sectorRef[0] = 3*iref+1; + for(Int_t res=0; res<2; res++){ + sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res); + } + new(pdigit) AliZDCDigit(sectorRef, sigRefoot); + treeD->Fill(); + //Ch. debug + //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n", + // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging! + + } + //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries()); // write the output tree loader->WriteDigits("OVERWRITE"); @@ -211,59 +447,269 @@ void AliZDCDigitizer::Exec(Option_t* /*option*/) } +//_____________________________________________________________________________ +void AliZDCDigitizer::ReadPMTGains() +{ +// Read PMT gain from an external file + + char *fname = gSystem->ExpandPathName("$ALICE_ROOT/ZDC/PMTGainsdata.txt"); + FILE *fdata = fopen(fname,"r"); + if(fdata==NULL){ + AliWarning(" Can't open file $ALICE_ROOT/ZDC/PMTGainsdata.txt to read ZDC PMT Gains\n"); + AliWarning(" -> ZDC signal will be pedestal!!!!!!!!!!!!\n\n"); + return; + } + int read=1; + Float_t data[5]; + Int_t beam[12], det[12]; + Float_t gain[12], aEne[12], bEne[12]; + for(int ir=0; ir<12; ir++){ + for(int ic=0; ic<5; ic++){ + read = fscanf(fdata,"%f ",&data[ic]); + if(read==0) AliDebug(3, " Error in reading PMT gains from external file "); + } + beam[ir] = (int) (data[0]); + det[ir] = (int) (data[1]); + gain[ir] = data[2]; + aEne[ir] = data[3]; + bEne[ir] = data[4]; + } + fclose(fdata); + + if(((fBeamType.CompareTo("P-P")) == 0) || ((fBeamType.CompareTo("p-p")) == 0)){ + for(int i=0; i<12; i++){ + if(beam[i]==0 && fBeamEnergy!=0.){ + if(det[i]!=31 && det[i]!=32){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]*(aEne[i]/fBeamEnergy+bEne[i]); + } + else if(det[i] == 31) fPMGain[2][1] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]); + else if(det[i] == 32) fPMGain[2][2] = gain[i]*(aEne[i]-fBeamEnergy*bEne[i]); + } + } + // + printf("\n AliZDCDigitizer::ReadPMTGains -> ZDC PMT gains for p-p @ %1.0f+%1.0f GeV: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); + } + else if(((fBeamType.CompareTo("A-A")) == 0)){ + for(int i=0; i<12; i++){ + if(beam[i]==1){ + Float_t scalGainFactor = fBeamEnergy/2760.; + if(det[i]!=31 && det[i]!=32){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]/(aEne[i]*scalGainFactor); + } + else{ + for(int iq=1; iq<3; iq++) fPMGain[2][iq] = gain[i]/(aEne[i]*scalGainFactor); + } + } + } + // + printf("\n AliZDCDigitizer::ReadPMTGains -> ZDC PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]); + } + else if(((fBeamType.CompareTo("p-A")) == 0) || ((fBeamType.CompareTo("P-A")) == 0) + || ((fBeamType.CompareTo("A-p")) == 0) || ((fBeamType.CompareTo("A-P")) == 0)){ + for(int i=0; i<12; i++){ + if(beam[i]==0 && fBeamEnergy!=0.){ + if(det[i]==1 || det[i]==2){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = gain[i]*(aEne[i]/fBeamEnergy+bEne[i]); + } + } + if(beam[i]==1){ + Float_t scalGainFactor = fBeamEnergy/2760.; + Float_t npartScalingFactor = 208./15.; + if(det[i]==4 || det[i]==5){ + for(Int_t j=0; j<5; j++) fPMGain[det[i]-1][j] = npartScalingFactor*gain[i]/(aEne[i]*scalGainFactor); + } + else if(det[i]==31 || det[i]==32){ + for(int iq=1; iq<3; iq++) fPMGain[2][iq] = npartScalingFactor*gain[i]/(aEne[i]*scalGainFactor); + } + } + } + printf("\n AliZDCDigitizer::ReadPMTGains -> ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); + } +} + +//_____________________________________________________________________________ +void AliZDCDigitizer::CalculatePMTGains() +{ +// Calculate PMT gain according to beam type and beam energy + if( ((fBeamType.CompareTo("P-P")) == 0) || ((fBeamType.CompareTo("p-p"))) ){ + // PTM gains rescaled to beam energy for p-p + // New correction coefficients for PMT gains needed + // to reproduce experimental spectra (from Grazia Jul 2010) + if(fBeamEnergy != 0){ + for(Int_t j = 0; j < 5; j++){ + fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; + fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; + fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; + fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; + } + fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; + fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; + // + printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for p-p @ %1.0f+%1.0f GeV: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); + + } + } + else if(((fBeamType.CompareTo("A-A")) == 0)){ + // PTM gains for Pb-Pb @ 2.7+2.7 A TeV *************** + // rescaled for Pb-Pb @ 1.38+1.38 A TeV *************** + // Values corrected after 2010 Pb-Pb data taking (7/2/2011 - Ch.) + // Experimental data compared to EMD simulation for single nucleon peaks: + // ZN gains must be divided by 4, ZP gains by 10! + Float_t scalGainFactor = fBeamEnergy/2760.; + for(Int_t j = 0; j < 5; j++){ + fPMGain[0][j] = 50000./(4*scalGainFactor); // ZNC + fPMGain[1][j] = 100000./(5*scalGainFactor); // ZPC + fPMGain[2][j] = 100000./scalGainFactor; // ZEM + fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA + fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA + } + printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n", + fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]); + } + else if(((fBeamType.CompareTo("p-A")) == 0) || ((fBeamType.CompareTo("P-A"))) ){ + // PTM gains for Pb-Pb @ 1.38+1.38 A TeV on side A + // PTM gains rescaled to beam energy for p-p on side C + // WARNING! Energies are set by hand for 2011 pA RUN!!! + Float_t scalGainFactor = fBeamEnergy/2760.; + Float_t npartScalingFactor = 208./15.; + + for(Int_t j = 0; j < 5; j++){ + fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000; //ZNC (p) + fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000; //ZPC (p) + if(j<2) fPMGain[2][j] = npartScalingFactor*100000./scalGainFactor; // ZEM (Pb) + // Npart max scales from 400 in Pb-Pb to ~8 in pPb -> *40. + fPMGain[3][j] = npartScalingFactor*50000/(4*scalGainFactor); // ZNA (Pb) + fPMGain[4][j] = npartScalingFactor*100000/(5*scalGainFactor); // ZPA (Pb) + } + printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); + } + else if(((fBeamType.CompareTo("A-p")) == 0) || ((fBeamType.CompareTo("A-P"))) ){ + // PTM gains for Pb-Pb @ 1.38+1.38 A TeV on side + // PTM gains rescaled to beam energy for p-p on side C + // WARNING! Energies are set by hand for 2011 pA RUN!!! + Float_t scalGainFactor = fBeamEnergy/2760.; + Float_t npartScalingFactor = 208./15.; + + for(Int_t j = 0; j < 5; j++){ + fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000; //ZNA (p) + fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000; //ZPA (p) + // Npart max scales from 400 in Pb-Pb to ~8 in pPb -> *40. + fPMGain[1][j] = npartScalingFactor*50000/(4*scalGainFactor); // ZNC (Pb) + fPMGain[2][j] = npartScalingFactor*100000/(5*scalGainFactor); // ZPC (Pb) + } + fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000; // ZEM (pp) + fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000; // ZEM (pp) + printf("\n AliZDCDigitizer::CalculatePMTGains -> ZDC PMT gains for p-Pb: ZNC(%1.0f), ZPC(%1.0f), ZEM(%1.0f), ZNA(%1.0f) ZPA(%1.0f)\n", + fPMGain[0][0], fPMGain[1][0], fPMGain[2][1], fPMGain[3][0], fPMGain[4][0]); + } +} + //_____________________________________________________________________________ void AliZDCDigitizer::Fragmentation(Float_t impPar, Int_t specN, Int_t specP, Int_t &freeSpecN, Int_t &freeSpecP) const { // simulate fragmentation of spectators - Int_t zz[100], nn[100]; AliZDCFragment frag(impPar); - for (Int_t j=0; j<=99; j++){ - zz[j] =0; - nn[j] =0; - } // Fragments generation - Int_t nAlpha; - frag.GenerateIMF(zz, nAlpha); + frag.GenerateIMF(); + Int_t nAlpha = frag.GetNalpha(); // Attach neutrons - Int_t ztot=0; - Int_t ntot=0; - frag.AttachNeutrons(zz, nn, ztot, ntot); + frag.AttachNeutrons(); + Int_t ztot = frag.GetZtot(); + Int_t ntot = frag.GetNtot(); + + // Removing fragments and alpha pcs freeSpecN = specN-ntot-2*nAlpha; freeSpecP = specP-ztot-2*nAlpha; + + // Removing deuterons + Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber()); + freeSpecN -= ndeu; + freeSpecP -= ndeu; + // if(freeSpecN<0) freeSpecN=0; if(freeSpecP<0) freeSpecP=0; AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP)); } //_____________________________________________________________________________ -void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, - Float_t pm[3][5]) const +void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, Float_t pm[5][5]) { // add signal of the spectators - - TFile* file = NULL; - if (SpecType == 1) { // --- Signal for spectator neutrons - file = TFile::Open("$ALICE/$ALICE_LEVEL/ZDC/ZNsignalntu.root"); - } else if (SpecType == 2) { // --- Signal for spectator protons - file = TFile::Open("$ALICE/$ALICE_LEVEL/ZDC/ZPsignalntu.root"); - } - if (!file || !file->IsOpen()) { - AliError("Opening of file failed"); + + if(!fSpectatorData) fSpectatorData = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root"); + if(!fSpectatorData || !fSpectatorData->IsOpen()) { + AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n")); return; } - TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal"); + TNtuple* zdcSignal=0x0; + + Float_t sqrtS = 2*fBeamEnergy; + // + if(TMath::Abs(sqrtS-5500) < 100.){ + AliInfo(" Extracting signal from SpectatorSignal/energy5500 "); + fSpectatorData->cd("energy5500"); + // + if(SpecType == 1) { // --- Signal for projectile spectator neutrons + fSpectatorData->GetObject("energy5500/ZNCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 2) { // --- Signal for projectile spectator protons + fSpectatorData->GetObject("energy5500/ZPCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 3) { // --- Signal for target spectator neutrons + fSpectatorData->GetObject("energy5500/ZNASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); + } + else if(SpecType == 4) { // --- Signal for target spectator protons + fSpectatorData->GetObject("energy5500/ZPASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); + } + } + else if(TMath::Abs(sqrtS-2760) < 100.){ + AliInfo(" Extracting signal from SpectatorSignal/energy2760 "); + fSpectatorData->cd("energy2760"); + // + if(SpecType == 1) { // --- Signal for projectile spectator neutrons + fSpectatorData->GetObject("energy2760/ZNCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 2) { // --- Signal for projectile spectator protons + fSpectatorData->GetObject("energy2760/ZPCSignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file"); + } + else if(SpecType == 3) { // --- Signal for target spectator neutrons + fSpectatorData->GetObject("energy2760/ZNASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file"); + } + else if(SpecType == 4) { // --- Signal for target spectator protons + fSpectatorData->GetObject("energy2760/ZPASignal;1",zdcSignal); + if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file"); + } + } + + if(!zdcSignal){ + printf("\n No spectator signal available for ZDC digitization\n"); + return; + } + Int_t nentries = (Int_t) zdcSignal->GetEntries(); - Float_t *entry, hitsSpec[7]; - Int_t pl, i, j, k, iev=0, rnd[125], volume[2]; + Float_t *entry; + Int_t pl, i, k, iev=0, rnd[125], volume[2]; for(pl=0;pl<125;pl++) rnd[pl] = 0; - if (numEvents > 125) { - AliWarning(Form("numEvents (%d) is larger than 125", numEvents)); + if(numEvents > 125) { + AliDebug(2,Form("numEvents (%d) is larger than 125", numEvents)); numEvents = 125; } for(pl=0;plGetArgs(); if(entry[0] == rnd[iev]){ for(k=0; k<2; k++) volume[k] = (Int_t) entry[k+1]; - for(j=0; j<7; j++) hitsSpec[j] = entry[j+3]; // - Float_t lightQ = hitsSpec[4]; - Float_t lightC = hitsSpec[5]; - AliDebug(3, Form("Volume = (%d, %d), lightQ = %.0f, lightC = %.0f", - volume[0], volume[1], lightQ, lightC)); - //printf("\n Volume = (%d, %d), lightQ = %.0f, lightC = %.0f", - // volume[0], volume[1], lightQ, lightC); - if (volume[0] < 3) { // ZN or ZP + Float_t lightQ = entry[7]; + Float_t lightC = entry[8]; + // + if(volume[0] != 3) { // ZN or ZP pm[volume[0]-1][0] += lightC; pm[volume[0]-1][volume[1]] += lightQ; //printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0], // (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]); } else { - if (volume[1] == 1) pm[2][1] += lightC; // ZEM 1 - else pm[2][2] += lightQ; // ZEM 2 + if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1 + else pm[2][2] += lightQ; // ZEM 2 //printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]); } } @@ -306,8 +748,6 @@ void AliZDCDigitizer::SpectatorSignal(Int_t SpecType, Int_t numEvents, } }while(ievClose(); - delete file; } @@ -316,46 +756,91 @@ Int_t AliZDCDigitizer::Phe2ADCch(Int_t Det, Int_t Quad, Float_t Light, Int_t Res) const { // Evaluation of the ADC channel corresponding to the light yield Light - Int_t ADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); - printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,ADCch); - return ADCch; + Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]); + // Ch. debug + //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n", + // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch); + + return vADCch; } //_____________________________________________________________________________ Int_t AliZDCDigitizer::Pedestal(Int_t Det, Int_t Quad, Int_t Res) const { - // Get calibration data - int runNumber = 0; - AliZDCCalibData *calibda = GetCalibData(runNumber); - //calibda->Print(""); - - Float_t meanPed; - if(Det != 3) meanPed = calibda->GetMeanPed(10*(Det-1)+Quad+5*Res); - else meanPed = calibda->GetMeanPed(10*(Det-1)+Quad+1*Res); - - printf("\t Pedestal -> det = %d, quad = %d, res = %d - Ped[%d] = %d\n", - Det, Quad, Res,10*(Det-1)+Quad+5*Res,(Int_t) meanPed); // Chiara debugging! - - return (Int_t) meanPed; + // Returns a pedestal for detector det, PM quad, channel with res. + // + Float_t pedValue=0.; + // Normal run + if(fIsCalibration == 0){ + Int_t index=0, kNch=24; + if(Quad!=5){ + if(Det==1) index = Quad+kNch*Res; // ZNC + else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC + else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM + else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA + else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA + } + else index = (Det-1)/3+22+kNch*Res; // Reference PMs + // + if(fPedData){ + Float_t meanPed = fPedData->GetMeanPed(index); + Float_t pedWidth = fPedData->GetMeanPedWidth(index); + pedValue = gRandom->Gaus(meanPed,pedWidth); + // + /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n", + Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging! + */ + } + else{ + printf(" AliZDCDigitizer::Pedestal -> No valid pedestal calibration object loaded!\n\n"); + } + } + // To create calibration object + else{ + if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain + else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain + } + + return (Int_t) pedValue; } //_____________________________________________________________________________ -AliZDCCalibData* AliZDCDigitizer::GetCalibData(int runNumber) const +AliCDBStorage* AliZDCDigitizer::SetStorage(const char *uri) { - printf("\t AliZDCReconstructor::GetCalibData for RUN #%d\n",runNumber); - //fStorage->PrintSelectionList(); - //AliCDBEntry *entry = fStorage->Get("ZDC/Calib/Data",runNumber); + Bool_t deleteManager = kFALSE; - AliCDBStorage *fStorage = AliCDBManager::Instance()->GetStorage("local://$ALICE_ROOT"); - AliCDBEntry *entry = fStorage->Get("ZDC/Calib/Data",0); + AliCDBManager *manager = AliCDBManager::Instance(); + AliCDBStorage *defstorage = manager->GetDefaultStorage(); - AliZDCCalibData *calibda = 0; - if (entry) calibda = (AliZDCCalibData*) entry->GetObject(); - //calibda->Print(""); + if(!defstorage || !(defstorage->Contains("ZDC"))){ + AliWarning("No default storage set or default storage doesn't contain ZDC!"); + manager->SetDefaultStorage(uri); + deleteManager = kTRUE; + } + + AliCDBStorage *storage = manager->GetDefaultStorage(); - // AliCDBManager::Instance()->Destroy(); + if(deleteManager){ + AliCDBManager::Instance()->UnsetDefaultStorage(); + defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() + } - return calibda; + return storage; +} +//_____________________________________________________________________________ +AliZDCPedestals* AliZDCDigitizer::GetPedData() const +{ + + // Getting pedestal calibration object for ZDC set + AliZDCPedestals *calibdata = 0x0; + AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals"); + if(!entry) AliFatal("No calibration data loaded!"); + else{ + calibdata = dynamic_cast (entry->GetObject()); + if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); + } + return calibdata; } +