X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PHOS%2FAliPHOSAnalyze.cxx;h=e87192a6e669ec4a48c819969f2eebec2c26de76;hb=21cd0c07a367c6e6836907ecf5222aef9cb05c05;hp=52b49279525af40cdd98527ddbc33bf8d3735937;hpb=84cf6d785d5ef72ab1483e8b02a5983ad77b1dc6;p=u%2Fmrichter%2FAliRoot.git diff --git a/PHOS/AliPHOSAnalyze.cxx b/PHOS/AliPHOSAnalyze.cxx index 52b49279525..e87192a6e66 100644 --- a/PHOS/AliPHOSAnalyze.cxx +++ b/PHOS/AliPHOSAnalyze.cxx @@ -16,45 +16,78 @@ /* $Id$ */ //_________________________________________________________________________ -// Algorythm class to analyze PHOSv1 events: -// Construct histograms and displays them. -// Use the macro EditorBar.C for best access to the functionnalities +// Algorythm class to analyze PHOS events. In this class we demostrate, +// how to handle reconstructed objects with AliPHSOIndexToObject. +// As an example we propose sulotions for four most frequently used tasks: +// DrawRecon(...) - to draw reconstructed objects in the PHOS plane, +// very usefull in the debuging +// InvarianMass(...) - to calculate "REAL" and "MIXED" photon pairs +// invariant mass distributions +// EnergyResoluition(...) -\ Energy and position resolutions of the +// PositionResolution(...)-/ reconstructed photons +// Contamination(...) - calculates contamination of the photon spectrum and +// pobability of reconstruction of several primaries as +// kGAMMA,kELECTRON etc. +//// User Case: +// root [0] AliPHOSAnalyze * a = new AliPHOSAnalyze("galice.root") +// // set the file you want to analyse +// root [1] a->DrawRecon(1,3) +// // plot RecObjects, made in event 1, PHOS module 3 +// root [2] a->DrawRecon(1,3,"PHOSRP","another PID") +// // plot RecObjets made in the event 1, PHOS module 3, +// // produced in the another reconstruction pass, +// // which produced PHOS RecParticles ("PHOSRP") with +// // title "another PID". +// root [3] a->InvariantMass() +// // Calculates "REAL" and "MIXED" invariant mass +// // distributions of kGAMMA and (kGAMMA+kNEUTRALEM) +// // and APPENDS this to the file "invmass.root" +// root [4] a->PositionResolution() +// // calculates two dimentional histos: energy of the primary +// // photon vs distance betwin incedence point and reconstructed +// // poisition. One can analyse the produced file position.root +// // with macro PhotonPosition.C +// root [5] a->EnergyResolution() +// // calculates two dimentional histos: energy of the primary +// // photon vs energy of the reconstructed particle. One can +// // analyse the produced file energy.root +// // with macro PhotonEnergy.C +// root [6] a->Contamination() +// // fills spectra of primary photons and several kinds of +// // reconstructed particles, so that analyzing them one can +// // estimate conatmination, efficiency of registration etc. //*-- -//*-- Author: Y. Schutz (SUBATECH) & Gines Martinez (SUBATECH) +//*-- Author: Dmitri Peressounko (SUBATECH & RRC Kurchatov Institute) ////////////////////////////////////////////////////////////////////////////// + // --- ROOT system --- #include "TFile.h" #include "TH1.h" -#include "TPad.h" +#include "TH2.h" #include "TH2.h" #include "TParticle.h" #include "TClonesArray.h" #include "TTree.h" #include "TMath.h" -#include "TCanvas.h" -#include "TStyle.h" +#include "TROOT.h" +#include "TFolder.h" // --- Standard library --- -#include -#include - // --- AliRoot header files --- #include "AliRun.h" +#include "AliPHOSv1.h" #include "AliPHOSAnalyze.h" -#include "AliPHOSClusterizerv1.h" -#include "AliPHOSTrackSegmentMakerv1.h" -#include "AliPHOSPIDv1.h" -#include "AliPHOSReconstructioner.h" #include "AliPHOSDigit.h" +#include "AliPHOSSDigitizer.h" #include "AliPHOSTrackSegment.h" #include "AliPHOSRecParticle.h" -#include "AliPHOSIndexToObject.h" -#include "AliPHOSCPVHit.h" #include "AliPHOSCpvRecPoint.h" +#include "AliPHOSGetter.h" + ClassImp(AliPHOSAnalyze) @@ -62,39 +95,15 @@ ClassImp(AliPHOSAnalyze) AliPHOSAnalyze::AliPHOSAnalyze() { // default ctor (useless) - - fRootFile = 0 ; + fCorrection = 1.2 ; //Value calculated for default parameters of reconstruction } //____________________________________________________________________________ -AliPHOSAnalyze::AliPHOSAnalyze(Text_t * name) +AliPHOSAnalyze::AliPHOSAnalyze(Text_t * fileName) { // ctor: analyze events from root file "name" - - Bool_t ok = OpenRootFile(name) ; - if ( !ok ) { - cout << " AliPHOSAnalyze > Error opening " << name << endl ; - } - else { - //========== Get AliRun object from file - gAlice = (AliRun*) fRootFile->Get("gAlice") ; - - //=========== Get the PHOS object and associated geometry from the file - fPHOS = (AliPHOSv1 *)gAlice->GetDetector("PHOS") ; - fGeom = AliPHOSGeometry::GetInstance( fPHOS->GetGeometry()->GetName(), fPHOS->GetGeometry()->GetTitle() ); - - //========== Initializes the Index to Object converter - fObjGetter = AliPHOSIndexToObject::GetInstance(fPHOS) ; - //========== Current event number - fEvt = -999 ; - - } - fDebugLevel = 0; - fClu = 0 ; - fPID = 0 ; - fTrs = 0 ; - fRec = 0 ; - ResetHistograms() ; + ffileName = fileName ; + fCorrection = 1.05 ; //Value calculated for default parameters of reconstruction } //____________________________________________________________________________ @@ -104,1768 +113,1049 @@ AliPHOSAnalyze::AliPHOSAnalyze(const AliPHOSAnalyze & ana) ( (AliPHOSAnalyze &)ana ).Copy(*this) ; } -//____________________________________________________________________________ -void AliPHOSAnalyze::Copy(TObject & obj) -{ - // copy an analysis into an other one - TObject::Copy(obj) ; - // I do nothing more because the copy is silly but the Code checkers requires one -} - //____________________________________________________________________________ AliPHOSAnalyze::~AliPHOSAnalyze() { // dtor - if(fRootFile->IsOpen()) fRootFile->Close() ; - if(fRootFile) {delete fRootFile ; fRootFile=0 ;} - if(fPHOS) {delete fPHOS ; fPHOS =0 ;} - if(fClu) {delete fClu ; fClu =0 ;} - if(fPID) {delete fPID ; fPID =0 ;} - if(fRec) {delete fRec ; fRec =0 ;} - if(fTrs) {delete fTrs ; fTrs =0 ;} - } - //____________________________________________________________________________ -void AliPHOSAnalyze::ActivePPSD(Int_t Nevents=1){ +void AliPHOSAnalyze::DrawRecon(Int_t Nevent,Int_t Nmod,const char * branchName,const char* branchTitle){ + //Draws pimary particles and reconstructed + //digits, RecPoints, RecPartices etc + //for event Nevent in the module Nmod. + + //========== Create ObjectGetter + AliPHOSGetter * gime = AliPHOSGetter::GetInstance(ffileName.Data(),branchTitle) ; + if(Nevent >= gAlice->TreeE()->GetEntries() ) { + Error("DrawRecon", "There is no event %d only %d events available", Nevent, gAlice->TreeE()->GetEntries() ) ; + return ; + } + const AliPHOSGeometry * phosgeom = gime->PHOSGeometry() ; + gime->Event(Nevent); + + Int_t nx = phosgeom->GetNPhi() ; + Int_t nz = phosgeom->GetNZ() ; + Float_t * cri= phosgeom->GetEMCAGeometry()->GetCrystalHalfSize() ; + Float_t x = nx*cri[0] ; + Float_t z = nz*cri[2] ; + Int_t nxCPV = (Int_t) (nx*phosgeom->GetPadSizePhi()/(2.*cri[0])) ; + Int_t nzCPV = (Int_t) (nz*phosgeom->GetPadSizeZ()/(2.*cri[2])) ; - fhEnergyCorrelations = new TH2F("hEnergyCorrelations","hEnergyCorrelations",40, 0., 0.15, 30, 0., 3.e-5); - //========== Create the Clusterizer - fClu = new AliPHOSClusterizerv1() ; - fClu->SetEmcEnergyThreshold(0.01) ; - fClu->SetEmcClusteringThreshold(0.20) ; - fClu->SetPpsdEnergyThreshold (0.0000002) ; - fClu->SetPpsdClusteringThreshold(0.0000001) ; - fClu->SetLocalMaxCut(0.02) ; - fClu->SetCalibrationParameters(0., 0.00000001) ; - - Int_t ievent; + TH2F * emcDigits = (TH2F*) gROOT->FindObject("emcDigits") ; + if(emcDigits) + emcDigits->Delete() ; + emcDigits = new TH2F("emcDigits","EMC digits", nx,-x,x,nz,-z,z); + TH2F * emcSdigits =(TH2F*) gROOT->FindObject("emcSdigits") ; + if(emcSdigits) + emcSdigits->Delete() ; + emcSdigits = new TH2F("emcSdigits","EMC sdigits", nx,-x,x,nz,-z,z); + TH2F * emcRecPoints = (TH2F*)gROOT->FindObject("emcRecPoints") ; + if(emcRecPoints) + emcRecPoints->Delete() ; + emcRecPoints = new TH2F("emcRecPoints","EMC RecPoints",nx,-x,x,nz,-z,z); + TH2F * cpvSdigits =(TH2F*) gROOT->FindObject("cpvSdigits") ; + if(cpvSdigits) + cpvSdigits->Delete() ; + cpvSdigits = new TH2F("cpvSdigits","CPV sdigits", nx,-x,x,nz,-z,z); + TH2F * cpvDigits = (TH2F*)gROOT->FindObject("cpvDigits") ; + if(cpvDigits) + cpvDigits->Delete() ; + cpvDigits = new TH2F("cpvDigits","CPV digits", nxCPV,-x,x,nzCPV,-z,z) ; + TH2F * cpvRecPoints= (TH2F*)gROOT->FindObject("cpvRecPoints") ; + if(cpvRecPoints) + cpvRecPoints->Delete() ; + cpvRecPoints = new TH2F("cpvRecPoints","CPV RecPoints", nxCPV,-x,x,nzCPV,-z,z) ; + + TH2F * phot = (TH2F*)gROOT->FindObject("phot") ; + if(phot) + phot->Delete() ; + phot = new TH2F("phot","Primary Photon", nx,-x,x,nz,-z,z); + TH2F * recPhot = (TH2F*)gROOT->FindObject("recPhot") ; + if(recPhot) + recPhot->Delete() ; + recPhot = new TH2F("recPhot","RecParticles with primary Photon",nx,-x,x,nz,-z,z); - for ( ievent=0; ievent - if ( ( log10((Float_t)(ievent+1)) - (Int_t)(log10((Float_t)(ievent+1))) ) == 0. ) - cout << "AnalyzeResolutions > " << "Event is " << ievent << endl ; - - //=========== Connects the various Tree's for evt - gAlice->GetEvent(ievent); - - //=========== Gets the Kine TTree - gAlice->TreeK()->GetEvent(0) ; - - //=========== Get the Digit Tree - gAlice->TreeD()->GetEvent(0) ; - - //========== Creating branches =================================== - AliPHOSRecPoint::RecPointsList ** EmcRecPoints = fPHOS->EmcRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP", EmcRecPoints ) ; - - AliPHOSRecPoint::RecPointsList ** PpsdRecPoints = fPHOS->PpsdRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", PpsdRecPoints ) ; - - AliPHOSTrackSegment::TrackSegmentsList ** TrackSegmentsList = fPHOS->TrackSegments() ; - if( (*TrackSegmentsList) ) - (*TrackSegmentsList)->Clear() ; - gAlice->TreeR()->SetBranchAddress( "PHOSTS", TrackSegmentsList ) ; - - AliPHOSRecParticle::RecParticlesList ** RecParticleList = fPHOS->RecParticles() ; - if( (*RecParticleList) ) - (*RecParticleList)->Clear() ; - gAlice->TreeR()->SetBranchAddress( "PHOSRP", RecParticleList ) ; - - - //=========== Gets the Reconstraction TTree - gAlice->TreeR()->GetEvent(0) ; - - AliPHOSPpsdRecPoint * RecPoint ; - Int_t relid[4] ; - TIter nextRP(*fPHOS->PpsdRecPoints() ) ; - while( ( RecPoint = (AliPHOSPpsdRecPoint *)nextRP() ) ) - { - if(!(RecPoint->GetUp()) ) { - AliPHOSDigit *digit ; - Int_t iDigit ; - for(iDigit = 0; iDigit < fPHOS->Digits()->GetEntries(); iDigit++) - { - digit = (AliPHOSDigit *) fPHOS->Digits()->At(iDigit) ; - fGeom->AbsToRelNumbering(digit->GetId(), relid) ; - if((relid[2]==1)&&(relid[3]==1)&&(relid[0]==RecPoint->GetPHOSMod())){ - Float_t ConvertorEnergy = fClu->Calibrate(digit->GetAmp()) ; - fhEnergyCorrelations->Fill(ConvertorEnergy,RecPoint->GetTotalEnergy() ); - break ; - } - } - break ; - } - } - } - SaveHistograms() ; - fhEnergyCorrelations->Draw("BOX") ; -} - - -//____________________________________________________________________________ -void AliPHOSAnalyze::AnalyzeManyEvents(Int_t Nevents, Int_t module) -{ - // analyzes Nevents events in a single PHOS module - // Events should be reconstructed by Reconstruct() - - if ( fRootFile == 0 ) - cout << "AnalyzeManyEvents > " << "Root File not openned" << endl ; - else + + //Plot Primary Particles + const TParticle * primary ; + Int_t iPrimary ; + for ( iPrimary = 0 ; iPrimary < gime->NPrimaries() ; iPrimary++) { - //========== Booking Histograms - cout << "AnalyzeManyEvents > " << "Booking Histograms" << endl ; - BookingHistograms(); - - Int_t ievent; - Int_t relid[4] ; - AliPHOSDigit * digit ; - AliPHOSEmcRecPoint * emc ; - AliPHOSPpsdRecPoint * ppsd ; - // AliPHOSTrackSegment * tracksegment ; - AliPHOSRecParticle * recparticle; - - for ( ievent=0; ievent - if ( ( log10((Float_t)(ievent+1)) - (Int_t)(log10((Float_t)(ievent+1))) ) == 0. ) - cout << "AnalyzeManyEvents > " << "Event is " << ievent << endl ; - - //=========== Connects the various Tree's for evt - gAlice->GetEvent(ievent); - - //=========== Gets the Digit TTree - gAlice->TreeD()->GetEvent(0) ; - - //=========== Gets the number of entries in the Digits array - TIter nextdigit(fPHOS->Digits()) ; - while( ( digit = (AliPHOSDigit *)nextdigit() ) ) - { - fGeom->AbsToRelNumbering(digit->GetId(), relid) ; - if (fClu->IsInEmc(digit)) fhEmcDigit->Fill(fClu->Calibrate(digit->GetAmp())) ; - else - { - if (relid[1]<17) fhVetoDigit->Fill(fClu->Calibrate(digit->GetAmp())); - if (relid[1]>16) fhConvertorDigit->Fill(fClu->Calibrate(digit->GetAmp())); - } - } - - - //=========== Cluster in module - TIter nextEmc(*fPHOS->EmcRecPoints() ) ; - while((emc = (AliPHOSEmcRecPoint *)nextEmc())) - { - if ( emc->GetPHOSMod() == module ) - { - fhEmcCluster->Fill( emc->GetTotalEnergy() ); - TIter nextPpsd( *fPHOS->PpsdRecPoints()) ; - while((ppsd = (AliPHOSPpsdRecPoint *)nextPpsd())) - { - if ( ppsd->GetPHOSMod() == module ) - { - if (!ppsd->GetUp()) fhConvertorEmc->Fill(emc->GetTotalEnergy(),ppsd->GetTotalEnergy()) ; - } - } - } - } - - //=========== Cluster in module PPSD Down - TIter nextPpsd(*fPHOS->PpsdRecPoints() ) ; - while((ppsd = (AliPHOSPpsdRecPoint *)nextPpsd())) - { - if ( ppsd->GetPHOSMod() == module ) - { - if (!ppsd->GetUp()) fhConvertorCluster->Fill(ppsd->GetTotalEnergy()) ; - if (ppsd->GetUp()) fhVetoCluster ->Fill(ppsd->GetTotalEnergy()) ; - } - } - - //========== TRackSegments in the event - TIter nextRecParticle(*fPHOS->RecParticles() ) ; - while((recparticle = (AliPHOSRecParticle *)nextRecParticle())) - { - if ( recparticle->GetPHOSTrackSegment()->GetPHOSMod() == module ) - { - cout << "Particle type is " << recparticle->GetType() << endl ; - Int_t numberofprimaries = 0 ; - Int_t * listofprimaries = recparticle->GetPrimaries(numberofprimaries) ; - cout << "Number of primaries = " << numberofprimaries << endl ; - Int_t index ; - for ( index = 0 ; index < numberofprimaries ; index++) - cout << " primary # " << index << " = " << listofprimaries[index] << endl ; - } - } - } // endfor - SaveHistograms(); - } // endif -} // endfunction + primary = gime->Primary(iPrimary) ; + Int_t primaryType = primary->GetPdgCode() ; +// if( (primaryType == 211)||(primaryType == -211)||(primaryType == 2212)||(primaryType == -2212) +// ||(primaryType == 11)||(primaryType == -11) ) { +// Int_t moduleNumber ; +// Double_t primX, primZ ; +// phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; +// if(moduleNumber==Nmod) +// charg->Fill(primZ,primX,primary->Energy()) ; +// } + if( primaryType == 22 ) { + Int_t moduleNumber ; + Double_t primX, primZ ; + phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; + if(moduleNumber==Nmod) + phot->Fill(primZ,primX,primary->Energy()) ; + } +// else{ +// if( primaryType == -2112 ) { +// Int_t moduleNumber ; +// Double_t primX, primZ ; +// phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; +// if(moduleNumber==Nmod) +// nbar->Fill(primZ,primX,primary->Energy()) ; +// } +// } + } -//____________________________________________________________________________ - void AliPHOSAnalyze::Reconstruct(Int_t Nevents,Int_t FirstEvent ) -{ - - // Performs reconstruction of EMC and CPV (GPS2 or IHEP) - // for events from FirstEvent to Nevents - - Int_t ievent ; - for ( ievent=FirstEvent; ievent Starting Reconstructing " << endl ; - //========== Create the Clusterizer - fClu = new AliPHOSClusterizerv1() ; - fClu->SetEmcEnergyThreshold(0.05) ; - fClu->SetEmcClusteringThreshold(0.20) ; - fClu->SetLocalMaxCut(0.03) ; - if (strcmp(fGeom->GetName(),"GPS2") == 0) { - fClu->SetPpsdEnergyThreshold (0.0000002) ; - fClu->SetPpsdClusteringThreshold(0.0000001) ; + + Int_t iSDigit ; + AliPHOSDigit * sdigit ; + const TClonesArray * sdigits = gime->SDigits() ; + Int_t nsdig[5] = {0,0,0,0,0} ; + if(sdigits){ + for(iSDigit = 0; iSDigit < sdigits->GetEntriesFast() ; iSDigit++) + { + sdigit = (AliPHOSDigit *) sdigits->At(iSDigit) ; + Int_t relid[4]; + phosgeom->AbsToRelNumbering(sdigit->GetId(), relid) ; + Float_t x,z ; + phosgeom->RelPosInModule(relid,x,z) ; + Float_t e = gime->SDigitizer()->Calibrate(sdigit->GetAmp()) ; + nsdig[relid[0]-1]++ ; + if(relid[0]==Nmod){ + if(relid[1]==0) //EMC + emcSdigits->Fill(x,z,e) ; + if( relid[1]!=0 ) + cpvSdigits->Fill(x,z,e) ; + } } - else if (strcmp(fGeom->GetName(),"IHEP") == 0) { - fClu->SetLocalMaxCutCPV(0.03) ; - fClu->SetLogWeightCutCPV(4.0) ; - fClu->SetPpsdEnergyThreshold (0.09) ; + } + TString message ; + message = "Number of EMC + CPV SDigits per module: \n" ; + message += "%d %d %d %d %d\n"; + Info("DrawRecon", message.Data(), nsdig[0], nsdig[1], nsdig[2], nsdig[3], nsdig[4] ) ; + + //Plot digits + Int_t iDigit ; + AliPHOSDigit * digit ; + const TClonesArray * digits = gime->Digits(); + if(digits) { + for(iDigit = 0; iDigit < digits->GetEntriesFast(); iDigit++) + { + digit = (AliPHOSDigit *) digits->At(iDigit) ; + Int_t relid[4]; + phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; + Float_t x,z ; + phosgeom->RelPosInModule(relid,x,z) ; + Float_t e = gime->SDigitizer()->Calibrate(digit->GetAmp()) ; + if(relid[0]==Nmod){ + if(relid[1]==0) //EMC + emcDigits->Fill(x,z,e) ; + if( relid[1]!=0 ) + cpvDigits->Fill(x,z,e) ; + } + } + } + + + //Plot RecPoints + Int_t irecp ; + TVector3 pos ; + TObjArray * emcrp = gime->EmcRecPoints() ; + if(emcrp) { + for(irecp = 0; irecp < emcrp->GetEntriesFast() ; irecp ++){ + AliPHOSEmcRecPoint * emc = (AliPHOSEmcRecPoint *) emcrp->At(irecp) ; + if(emc->GetPHOSMod()==Nmod){ + emc->GetLocalPosition(pos) ; + emcRecPoints->Fill(pos.X(),pos.Z(),emc->GetEnergy()); } - fClu->SetCalibrationParameters(0., 0.00000001) ; - - //========== Creates the track segment maker - fTrs = new AliPHOSTrackSegmentMakerv1() ; - // fTrs->UnsetUnfoldFlag() ; - - //========== Creates the particle identifier for GPS2 only - if (strcmp(fGeom->GetName(),"GPS2") == 0) { - fPID = new AliPHOSPIDv1() ; - fPID->SetShowerProfileCuts(0.3, 1.8, 0.3, 1.8 ) ; - } - - //========== Creates the Reconstructioner - fRec = new AliPHOSReconstructioner(fClu, fTrs, fPID) ; - if (fDebugLevel != 0) fRec -> SetDebugReconstruction(kTRUE); } - - if (fDebugLevel != 0 || - (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0) - cout << "======= Analyze ======> Event " << ievent+1 << endl ; - - //=========== Connects the various Tree's for evt - gAlice->GetEvent(ievent); - - //=========== Gets the Digit TTree - gAlice->TreeD()->GetEvent(0) ; - - //=========== Do the reconstruction - fPHOS->Reconstruction(fRec); } - - if(fClu) {delete fClu ; fClu =0 ;} - if(fPID) {delete fPID ; fPID =0 ;} - if(fRec) {delete fRec ; fRec =0 ;} - if(fTrs) {delete fTrs ; fTrs =0 ;} -} - -//------------------------------------------------------------------------------------- -void AliPHOSAnalyze::ReadAndPrintCPV(Int_t EvFirst, Int_t EvLast) -{ - // - // Read and print generated and reconstructed hits in CPV - // for events from EvFirst to Nevent. - // If only EvFirst is defined, print only this one event. - // Author: Yuri Kharlov - // 12 October 2000 - // - - if (EvFirst!=0 && EvLast==0) EvLast=EvFirst; - for ( Int_t ievent=EvFirst; ievent<=EvLast; ievent++) { - - //========== Event Number> - cout << endl << "==== ReadAndPrintCPV ====> Event is " << ievent+1 << endl ; - - //=========== Connects the various Tree's for evt - Int_t ntracks = gAlice->GetEvent(ievent); - - //========== Creating branches =================================== - AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ; + TObjArray * cpvrp = gime->CpvRecPoints() ; + if(cpvrp) { + for(irecp = 0; irecp < cpvrp->GetEntriesFast() ; irecp ++){ + AliPHOSRecPoint * cpv = (AliPHOSCpvRecPoint *) cpvrp->At(irecp) ; + if(cpv->GetPHOSMod()==Nmod){ + cpv->GetLocalPosition(pos) ; + cpvRecPoints->Fill(pos.X(),pos.Z(),cpv->GetEnergy()); + } + } + } - AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->PpsdRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", cpvRecPoints ) ; + //Plot RecParticles + AliPHOSRecParticle * recParticle ; + Int_t iRecParticle ; + TClonesArray * rp = gime->RecParticles() ; + TClonesArray * ts = gime->TrackSegments() ; + if(rp && ts && emcrp) { + for(iRecParticle = 0; iRecParticle < rp->GetEntriesFast() ; iRecParticle++ ) + { + recParticle = (AliPHOSRecParticle *) rp->At(iRecParticle) ; + Int_t moduleNumberRec ; + Double_t recX, recZ ; + phosgeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ; + if(moduleNumberRec == Nmod){ + + Double_t minDistance = 5. ; + Int_t closestPrimary = -1 ; - // Read and print CPV hits - - AliPHOSCPVModule cpvModule; - TClonesArray *cpvHits; - Int_t nCPVhits; - AliPHOSCPVHit *cpvHit; - TLorentzVector p; - Float_t xgen, zgen; - Int_t ipart; - Int_t nGenHits = 0; - for (Int_t itrack=0; itrackResetHits(); - gAlice->TreeH()->GetEvent(itrack); - Int_t iModule = 0 ; - for (iModule=0; iModule < fGeom->GetNModules(); iModule++) { - cpvModule = fPHOS->GetCPVModule(iModule); - cpvHits = cpvModule.Hits(); - nCPVhits = cpvHits->GetEntriesFast(); - for (Int_t ihit=0; ihitUncheckedAt(ihit); - p = cpvHit->GetMomentum(); - xgen = cpvHit->X(); - zgen = cpvHit->Y(); - ipart = cpvHit->GetIpart(); - printf("CPV hit in module %d: ",iModule+1); - printf(" p = (%f, %f, %f, %f) GeV,\n", - p.Px(),p.Py(),p.Pz(),p.Energy()); - printf(" (X,Z) = (%8.4f, %8.4f) cm, ipart = %d\n", - xgen,zgen,ipart); + //extract list of primaries: it is stored at EMC RecPoints + Int_t emcIndex = ((AliPHOSTrackSegment *) ts->At(recParticle->GetPHOSTSIndex()))->GetEmcIndex() ; + Int_t numberofprimaries ; + Int_t * listofprimaries = ((AliPHOSRecPoint*) emcrp->At(emcIndex))->GetPrimaries(numberofprimaries) ; + Int_t index ; + const TParticle * primary ; + Double_t distance = minDistance ; + + for ( index = 0 ; index < numberofprimaries ; index++){ + primary = gime->Primary(listofprimaries[index]) ; + Int_t moduleNumber ; + Double_t primX, primZ ; + phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; + if(moduleNumberRec == moduleNumber) + distance = TMath::Sqrt((recX-primX)*(recX-primX)+(recZ-primZ)*(recZ-primZ) ) ; + if(minDistance > distance) + { + minDistance = distance ; + closestPrimary = listofprimaries[index] ; + } + } + + if(closestPrimary >=0 ){ + + Int_t primaryType = gime->Primary(closestPrimary)->GetPdgCode() ; + + if(primaryType==22) + recPhot->Fill(recZ,recX,recParticle->Energy()) ; +// else +// if(primaryType==-2112) +// recNbar->Fill(recZ,recX,recParticle->Energy()) ; + } } } - } - // Read and print CPV reconstructed points - - //=========== Gets the Reconstruction TTree - gAlice->TreeR()->GetEvent(0) ; - TIter nextRP(*fPHOS->PpsdRecPoints() ) ; - AliPHOSPpsdRecPoint *cpvRecPoint ; - Int_t nRecPoints = 0; - while( ( cpvRecPoint = (AliPHOSPpsdRecPoint *)nextRP() ) ) { - nRecPoints++; - TVector3 locpos; - cpvRecPoint->GetLocalPosition(locpos); - Int_t phosModule = cpvRecPoint->GetPHOSMod(); - printf("CPV recpoint in module %d: (X,Z) = (%f,%f) cm\n", - phosModule,locpos.X(),locpos.Z()); - } - printf("This event has %d generated hits and %d reconstructed points\n", - nGenHits,nRecPoints); } + + //Plot made histograms + emcSdigits->Draw("box") ; + emcDigits->SetLineColor(5) ; + emcDigits->Draw("boxsame") ; + emcRecPoints->SetLineColor(2) ; + emcRecPoints->Draw("boxsame") ; + cpvSdigits->SetLineColor(1) ; + cpvSdigits->Draw("boxsame") ; + } - //____________________________________________________________________________ -void AliPHOSAnalyze::AnalyzeCPV(Int_t Nevents) -{ - // - // Analyzes CPV characteristics - // Author: Yuri Kharlov - // 9 October 2000 - // - - // Book histograms - - TH1F *hDx = new TH1F("hDx" ,"CPV x-resolution@reconstruction",100,-5. , 5.); - TH1F *hDz = new TH1F("hDz" ,"CPV z-resolution@reconstruction",100,-5. , 5.); - TH1F *hDr = new TH1F("hDr" ,"CPV r-resolution@reconstruction",100, 0. , 5.); - TH1S *hNrp = new TH1S("hNrp" ,"CPV rec.point multiplicity", 21,-0.5,20.5); - TH1S *hNrpX = new TH1S("hNrpX","CPV rec.point Phi-length" , 21,-0.5,20.5); - TH1S *hNrpZ = new TH1S("hNrpZ","CPV rec.point Z-length" , 21,-0.5,20.5); - - cout << "Start CPV Analysis"<< endl ; - for ( Int_t ievent=0; ievent -// if ( (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0) - cout << endl << "==== AnalyzeCPV ====> Event is " << ievent+1 << endl ; - - //=========== Connects the various Tree's for evt - Int_t ntracks = gAlice->GetEvent(ievent); - - //========== Creating branches =================================== - AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ; - - AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->PpsdRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", cpvRecPoints ) ; +void AliPHOSAnalyze::Ls(){ + //lists branches and titles of PHOS-related branches of TreeR, TreeD, TreeS + + AliPHOSGetter::GetInstance(ffileName.Data()) ; - // Create and fill arrays of hits for each CPV module - - Int_t nOfModules = fGeom->GetNModules(); - TClonesArray **hitsPerModule = new TClonesArray *[nOfModules]; - Int_t iModule ; - for (iModule=0; iModule < nOfModules; iModule++) - hitsPerModule[iModule] = new TClonesArray("AliPHOSCPVHit",100); - - AliPHOSCPVModule cpvModule; - TClonesArray *cpvHits; - Int_t nCPVhits; - AliPHOSCPVHit *cpvHit; - TLorentzVector p; - Float_t xzgen[2]; - Int_t ipart; - - // First go through all primary tracks and fill the arrays - // of hits per each CPV module - - for (Int_t itrack=0; itrackResetHits(); - gAlice->TreeH()->GetEvent(itrack); - for (iModule=0; iModule < nOfModules; iModule++) { - cpvModule = fPHOS->GetCPVModule(iModule); - cpvHits = cpvModule.Hits(); - nCPVhits = cpvHits->GetEntriesFast(); - for (Int_t ihit=0; ihitUncheckedAt(ihit); - p = cpvHit->GetMomentum(); - xzgen[0] = cpvHit->X(); - xzgen[1] = cpvHit->Y(); - ipart = cpvHit->GetIpart(); - TClonesArray &lhits = *(TClonesArray *)hitsPerModule[iModule]; - new(lhits[hitsPerModule[iModule]->GetEntriesFast()]) AliPHOSCPVHit(*cpvHit); - } - cpvModule.Clear(); - } + Int_t ibranch; + TObjArray * branches; + + branches = gAlice->TreeS()->GetListOfBranches() ; + + TString message ; + message = "TreeS:\n" ; + for(ibranch = 0;ibranch GetEntries();ibranch++){ + TBranch * branch=(TBranch *) branches->At(ibranch) ; + if(strstr(branch->GetName(),"PHOS") ){ + message += " " ; + message += branch->GetName() ; + message += " " ; + message += branch->GetTitle() ; + message += "\n" ; } - for (iModule=0; iModule < nOfModules; iModule++) { - Int_t nsum = hitsPerModule[iModule]->GetEntriesFast(); - printf("Module %d has %d hits\n",iModule,nsum); + } + branches = gAlice->TreeD()->GetListOfBranches() ; + + message += "TreeD:\n" ; + for(ibranch = 0;ibranch GetEntries();ibranch++){ + TBranch * branch=(TBranch *) branches->At(ibranch) ; + if(strstr(branch->GetName(),"PHOS") ) { + message += " "; + message += branch->GetName() ; + message += " " ; + message += branch->GetTitle() ; + message +="\n" ; } - - // Then go through reconstructed points and for each find - // the closeset hit - // The distance from the rec.point to the closest hit - // gives the coordinate resolution of the CPV - - // Get the Reconstruction Tree - gAlice->TreeR()->GetEvent(0) ; - TIter nextRP(*fPHOS->PpsdRecPoints() ) ; - AliPHOSCpvRecPoint *cpvRecPoint ; - Float_t xgen, zgen; - while( ( cpvRecPoint = (AliPHOSCpvRecPoint *)nextRP() ) ) { - TVector3 locpos; - cpvRecPoint->GetLocalPosition(locpos); - Int_t phosModule = cpvRecPoint->GetPHOSMod(); - Int_t rpMult = cpvRecPoint->GetDigitsMultiplicity(); - Int_t rpMultX, rpMultZ; - cpvRecPoint->GetClusterLengths(rpMultX,rpMultZ); - Float_t xrec = locpos.X(); - Float_t zrec = locpos.Z(); - Float_t dxmin = 1.e+10; - Float_t dzmin = 1.e+10; - Float_t r2min = 1.e+10; - Float_t r2; - - cpvHits = hitsPerModule[phosModule-1]; - Int_t nCPVhits = cpvHits->GetEntriesFast(); - for (Int_t ihit=0; ihitUncheckedAt(ihit); - xgen = cpvHit->X(); - zgen = cpvHit->Y(); - r2 = TMath::Power((xgen-xrec),2) + TMath::Power((zgen-zrec),2); - if ( r2 < r2min ) { - r2min = r2; - dxmin = xgen - xrec; - dzmin = zgen - zrec; - } - } - hDx ->Fill(dxmin); - hDz ->Fill(dzmin); - hDr ->Fill(TMath::Sqrt(r2min)); - hNrp ->Fill(rpMult); - hNrpX->Fill(rpMultX); - hNrpZ->Fill(rpMultZ); + } + + branches = gAlice->TreeR()->GetListOfBranches() ; + + message += "TreeR: \n" ; + for(ibranch = 0;ibranch GetEntries();ibranch++){ + TBranch * branch=(TBranch *) branches->At(ibranch) ; + if(strstr(branch->GetName(),"PHOS") ) { + message += " " ; + message += branch->GetName() ; + message += " " ; + message += branch->GetTitle() ; + message += "\n" ; } - delete [] hitsPerModule; } - // Save histograms - - Text_t outputname[80] ; - sprintf(outputname,"%s.analyzed",fRootFile->GetName()); - TFile output(outputname,"RECREATE"); - output.cd(); - - hDx ->Write() ; - hDz ->Write() ; - hDr ->Write() ; - hNrp ->Write() ; - hNrpX->Write() ; - hNrpZ->Write() ; - - // Plot histograms - - TCanvas *cpvCanvas = new TCanvas("CPV","CPV analysis",20,20,800,400); - gStyle->SetOptStat(111111); - gStyle->SetOptFit(1); - gStyle->SetOptDate(1); - cpvCanvas->Divide(3,2); - - cpvCanvas->cd(1); - gPad->SetFillColor(10); - hNrp->SetFillColor(16); - hNrp->Draw(); - - cpvCanvas->cd(2); - gPad->SetFillColor(10); - hNrpX->SetFillColor(16); - hNrpX->Draw(); - - cpvCanvas->cd(3); - gPad->SetFillColor(10); - hNrpZ->SetFillColor(16); - hNrpZ->Draw(); - - cpvCanvas->cd(4); - gPad->SetFillColor(10); - hDx->SetFillColor(16); - hDx->Fit("gaus"); - hDx->Draw(); - - cpvCanvas->cd(5); - gPad->SetFillColor(10); - hDz->SetFillColor(16); - hDz->Fit("gaus"); - hDz->Draw(); - - cpvCanvas->cd(6); - gPad->SetFillColor(10); - hDr->SetFillColor(16); - hDr->Draw(); - - cpvCanvas->Print("CPV.ps"); - + Info("LS", message.Data()) ; } - //____________________________________________________________________________ - void AliPHOSAnalyze::InvariantMass(Int_t Nevents ) + void AliPHOSAnalyze::InvariantMass(const char* branchTitle) { // Calculates Real and Mixed invariant mass distributions - const Int_t NMixedEvents = 4 ; //# of events used for calculation of 'mixed' distribution - Int_t MixedLoops = (Int_t )TMath::Ceil(Nevents/NMixedEvents) ; - - //========== Booking Histograms - TH2D * hRealEM = new TH2D("hRealEM", "Real for EM particles", 250,0.,1.,40,0.,4.) ; - TH2D * hRealPhot = new TH2D("hRealPhot", "Real for kPhoton particles", 250,0.,1.,40,0.,4.) ; - TH2D * hMixedEM = new TH2D("hMixedEM", "Mixed for EM particles", 250,0.,1.,40,0.,4.) ; - TH2D * hMixedPhot= new TH2D("hMixedPhot","Mixed for kPhoton particles",250,0.,1.,40,0.,4.) ; - - Int_t ievent; - Int_t EventInMixedLoop ; + AliPHOSGetter * gime = AliPHOSGetter::GetInstance(ffileName.Data(),branchTitle) ; + + Int_t nMixedEvents = 4 ; //# of events used for calculation of 'mixed' distribution + + //opening file + TFile * mfile = new TFile("invmass.root","update"); - Int_t NRecParticles[NMixedEvents] ; + //========== Reading /Booking Histograms + TH2D * hRealEM = 0 ; + hRealEM = (TH2D*) mfile->Get("hRealEM") ; + if(hRealEM == 0) + hRealEM = new TH2D("hRealEM", "Real for EM particles", 250,0.,1.,40,0.,4.) ; + TH2D * hRealPhot = 0 ; + + hRealPhot = (TH2D*)mfile->Get("hRealPhot"); + if(hRealPhot == 0) + hRealPhot = new TH2D("hRealPhot", "Real for kPhoton particles", 250,0.,1.,40,0.,4.) ; + + TH2D * hMixedEM = 0 ; + hMixedEM = (TH2D*) mfile->Get("hMixedEM") ; + if(hMixedEM == 0) + hMixedEM = new TH2D("hMixedEM", "Mixed for EM particles", 250,0.,1.,40,0.,4.) ; + + TH2D * hMixedPhot = 0 ; + hMixedPhot = (TH2D*) mfile->Get("hMixedPhot") ; + if(hMixedPhot == 0) + hMixedPhot = new TH2D("hMixedPhot","Mixed for kPhoton particles",250,0.,1.,40,0.,4.) ; - AliPHOSRecParticle::RecParticlesList * AllRecParticleList = new TClonesArray("AliPHOSRecParticle", NMixedEvents*1000) ; + + //reading event and copyng it to TConesArray of all photons + + TClonesArray * allRecParticleList = new TClonesArray("AliPHOSRecParticle", 1000) ; + Int_t * nRecParticles = new Int_t[nMixedEvents] ; // to mark boundaries of each event in the total list + for(Int_t index = 0; index < nMixedEvents; index ++) + nRecParticles[index] = 0 ; + Int_t iRecPhot = 0 ; // number of EM particles in total list - for(EventInMixedLoop = 0; EventInMixedLoop < MixedLoops; EventInMixedLoop++ ){ - Int_t iRecPhot = 0 ; + //scan over all events + Int_t event ; + Int_t maxevent = (Int_t)gAlice->TreeE()->GetEntries() ; + // for(event = 0; event < gime->MaxEvent(); event++ ){ + for(event = 0; event < maxevent; event++ ){ + gime->Event(event,"R"); //will read only TreeR - for ( ievent=0; ievent < NMixedEvents; ievent++){ - - Int_t AbsEventNumber = EventInMixedLoop*NMixedEvents + ievent ; - - //=========== Connects the various Tree's for evt - gAlice->GetEvent(AbsEventNumber); - - //=========== Get the Digit Tree - gAlice->TreeD()->GetEvent(0) ; - - //========== Creating branches =================================== + //copy EM RecParticles to the "total" list + const AliPHOSRecParticle * recParticle ; + Int_t iRecParticle ; + TClonesArray * rp = gime->RecParticles() ; + if(!rp){ + Error("InvariantMass", "Can't find RecParticles") ; + return ; + } + + for(iRecParticle = 0; iRecParticle < rp->GetEntriesFast(); iRecParticle++ ) + { + recParticle = (AliPHOSRecParticle *) rp->At(iRecParticle) ; + if((recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST)|| + (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMSLOW)) + new( (*allRecParticleList)[iRecPhot++] ) AliPHOSRecParticle(*recParticle) ; + } + + Int_t mevent = event%nMixedEvents ; //event number in the "mixed" cicle + nRecParticles[mevent] = iRecPhot-1 ; + + //check, if it is time to calculate invariant mass? + Int_t maxevent = (Int_t)gAlice->TreeE()->GetEntries() ; + if((mevent == 0) && (event +1 == maxevent)){ - AliPHOSRecParticle::RecParticlesList ** RecParticleList = fPHOS->RecParticles() ; - if( (*RecParticleList) ) - (*RecParticleList)->Clear() ; - gAlice->TreeR()->SetBranchAddress( "PHOSRP", RecParticleList ) ; + // if((mevent == 0) && (event +1 == gime->MaxEvent())){ - //=========== Gets the Reconstraction TTree - gAlice->TreeR()->GetEvent(0) ; + //calculate invariant mass: + Int_t irp1,irp2 ; + Int_t nCurEvent = 0 ; - AliPHOSRecParticle * RecParticle ; - Int_t iRecParticle ; - for(iRecParticle = 0; iRecParticle < (*RecParticleList)->GetEntries() ;iRecParticle++ ) - { - RecParticle = (AliPHOSRecParticle *) (*RecParticleList)->At(iRecParticle) ; - if((RecParticle->GetType() == AliPHOSFastRecParticle::kGAMMA)|| - (RecParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEM)){ - new( (*AllRecParticleList)[iRecPhot] ) AliPHOSRecParticle(*RecParticle) ; - iRecPhot++; + for(irp1 = 0; irp1 < allRecParticleList->GetEntries()-1; irp1++){ + AliPHOSRecParticle * rp1 = (AliPHOSRecParticle *)allRecParticleList->At(irp1) ; + + for(irp2 = irp1+1; irp2 < allRecParticleList->GetEntries(); irp2++){ + AliPHOSRecParticle * rp2 = (AliPHOSRecParticle *)allRecParticleList->At(irp2) ; + + Double_t invMass ; + invMass = (rp1->Energy()+rp2->Energy())*(rp1->Energy()+rp2->Energy())- + (rp1->Px()+rp2->Px())*(rp1->Px()+rp2->Px())- + (rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py())- + (rp1->Pz()+rp2->Pz())*(rp1->Pz()+rp2->Pz()) ; + + if(invMass> 0) + invMass = TMath::Sqrt(invMass); + + Double_t pt ; + pt = TMath::Sqrt((rp1->Px()+rp2->Px() )*( rp1->Px()+rp2->Px() ) + + (rp1->Py()+rp2->Py() )*( rp1->Py()+rp2->Py() ) ); + + if(irp1 > nRecParticles[nCurEvent]) + nCurEvent++; + + if(irp2 <= nRecParticles[nCurEvent]){ //'Real' event + hRealEM->Fill(invMass,pt); + if((rp1->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST)&& + (rp2->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST) ) + hRealPhot->Fill(invMass,pt); } - } + else{ + hMixedEM->Fill(invMass,pt); + if((rp1->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST)&& + (rp2->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST) ) + hMixedPhot->Fill(invMass,pt); + } //real-mixed + + } //loop over second rp + }//loop over first rp + + //Make some cleanings + for(Int_t index = 0; index < nMixedEvents; index ++) + nRecParticles[index] = 0 ; + iRecPhot = 0 ; + allRecParticleList->Clear() ; - NRecParticles[ievent] = iRecPhot-1 ; } - - //Now calculate invariant mass: - Int_t irp1,irp2 ; - Int_t NCurEvent = 0 ; - - for(irp1 = 0; irp1 < AllRecParticleList->GetEntries()-1; irp1++){ - AliPHOSRecParticle * rp1 = (AliPHOSRecParticle *)AllRecParticleList->At(irp1) ; - - for(irp2 = irp1+1; irp2 < AllRecParticleList->GetEntries(); irp2++){ - AliPHOSRecParticle * rp2 = (AliPHOSRecParticle *)AllRecParticleList->At(irp2) ; - - Double_t InvMass ; - InvMass = (rp1->Energy()+rp2->Energy())*(rp1->Energy()+rp2->Energy())- - (rp1->Px()+rp2->Px())*(rp1->Px()+rp2->Px())- - (rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py())- - (rp1->Pz()+rp2->Pz())*(rp1->Pz()+rp2->Pz()) ; - - if(InvMass> 0) - InvMass = TMath::Sqrt(InvMass); - - Double_t Pt ; - Pt = TMath::Sqrt((rp1->Px()+rp2->Px() )*( rp1->Px()+rp2->Px() ) +(rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py())); - - if(irp1 > NRecParticles[NCurEvent]) - NCurEvent++; - - if(irp2 <= NRecParticles[NCurEvent]){ //'Real' event - hRealEM->Fill(InvMass,Pt); - if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA)) - hRealPhot->Fill(InvMass,Pt); - } - else{ - hMixedEM->Fill(InvMass,Pt); - if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA)) - hMixedPhot->Fill(InvMass,Pt); - } //real-mixed - - } //loop over second rp - }//loop over first rp - AllRecParticleList->Delete() ; - } //Loop over events - - delete AllRecParticleList ; + } + delete allRecParticleList ; //writing output - TFile output("invmass.root","RECREATE"); - output.cd(); + mfile->cd(); - hRealEM->Write() ; - hRealPhot->Write() ; - hMixedEM->Write() ; - hMixedPhot->Write() ; + hRealEM->Write(0,kOverwrite) ; + hRealPhot->Write(0,kOverwrite) ; + hMixedEM->Write(0,kOverwrite) ; + hMixedPhot->Write(0,kOverwrite) ; - output.Write(); - output.Close(); + mfile->Write(); + mfile->Close(); + delete mfile ; + delete nRecParticles; } //____________________________________________________________________________ - void AliPHOSAnalyze::AnalyzeResolutions(Int_t Nevents ) + void AliPHOSAnalyze::EnergyResolution(const char * branchTitle) { - // analyzes Nevents events and calculate Energy and Position resolution as well as - // probaility of correct indentifiing of the incident particle - - //========== Booking Histograms - cout << "AnalyzeResolutions > " << "Booking Histograms" << endl ; - BookResolutionHistograms(); - - Int_t Counter[9][5] ; - Int_t i1,i2,TotalInd = 0 ; - for(i1 = 0; i1<9; i1++) - for(i2 = 0; i2<5; i2++) - Counter[i1][i2] = 0 ; - - Int_t TotalPrimary = 0 ; - Int_t TotalRecPart = 0 ; - Int_t TotalRPwithPrim = 0 ; - Int_t ievent; - - cout << "Start Analysing"<< endl ; - for ( ievent=0; ievent - // if ( ( log10((Float_t)(ievent+1)) - (Int_t)(log10((Float_t)(ievent+1))) ) == 0. ) - cout << "AnalyzeResolutions > " << "Event is " << ievent << endl ; - - //=========== Connects the various Tree's for evt - gAlice->GetEvent(ievent); + //fills two dimentional histo: energy of primary vs. energy of reconstructed - //=========== Gets the Kine TTree - gAlice->TreeK()->GetEvent(0) ; - - //=========== Gets the list of Primari Particles - TClonesArray * PrimaryList = gAlice->Particles(); - - TParticle * Primary ; - Int_t iPrimary ; - for ( iPrimary = 0 ; iPrimary < PrimaryList->GetEntries() ; iPrimary++) - { - Primary = (TParticle*)PrimaryList->UncheckedAt(iPrimary) ; - Int_t PrimaryType = Primary->GetPdgCode() ; - if( PrimaryType == 22 ) { - Int_t ModuleNumber ; - Double_t PrimX, PrimZ ; - fGeom->ImpactOnEmc(Primary->Theta(), Primary->Phi(), ModuleNumber, PrimX, PrimZ) ; - if(ModuleNumber){ - fhPrimary->Fill(Primary->Energy()) ; - if(Primary->Energy() > 0.3) - TotalPrimary++ ; - } - } - } - - //=========== Get the Digit Tree - gAlice->TreeD()->GetEvent(0) ; - - //========== Creating branches =================================== - AliPHOSRecPoint::RecPointsList ** EmcRecPoints = fPHOS->EmcRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP", EmcRecPoints ) ; - - AliPHOSRecPoint::RecPointsList ** PpsdRecPoints = fPHOS->PpsdRecPoints() ; - gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", PpsdRecPoints ) ; - - AliPHOSTrackSegment::TrackSegmentsList ** TrackSegmentsList = fPHOS->TrackSegments() ; - if( (*TrackSegmentsList) ) - (*TrackSegmentsList)->Clear() ; - gAlice->TreeR()->SetBranchAddress( "PHOSTS", TrackSegmentsList ) ; - - AliPHOSRecParticle::RecParticlesList ** RecParticleList = fPHOS->RecParticles() ; - if( (*RecParticleList) ) - (*RecParticleList)->Clear() ; - gAlice->TreeR()->SetBranchAddress( "PHOSRP", RecParticleList ) ; - - //=========== Gets the Reconstraction TTree - gAlice->TreeR()->GetEvent(0) ; - - AliPHOSRecParticle * RecParticle ; - Int_t iRecParticle ; - for(iRecParticle = 0; iRecParticle < (*RecParticleList)->GetEntries() ;iRecParticle++ ) - { - RecParticle = (AliPHOSRecParticle *) (*RecParticleList)->At(iRecParticle) ; - fhAllRP->Fill(CorrectEnergy(RecParticle->Energy())) ; - - Int_t ModuleNumberRec ; - Double_t RecX, RecZ ; - fGeom->ImpactOnEmc(RecParticle->Theta(), RecParticle->Phi(), ModuleNumberRec, RecX, RecZ) ; - - Double_t MinDistance = 2. ; - Int_t ClosestPrimary = -1 ; - - Int_t numberofprimaries ; - Int_t * listofprimaries = RecParticle->GetPrimaries(numberofprimaries) ; - Int_t index ; - TParticle * Primary ; - Double_t Distance = MinDistance ; - for ( index = 0 ; index < numberofprimaries ; index++){ - Primary = (TParticle*)PrimaryList->UncheckedAt(listofprimaries[index]) ; - Int_t ModuleNumber ; - Double_t PrimX, PrimZ ; - fGeom->ImpactOnEmc(Primary->Theta(), Primary->Phi(), ModuleNumber, PrimX, PrimZ) ; - if(ModuleNumberRec == ModuleNumber) - Distance = TMath::Sqrt((RecX-PrimX)*(RecX-PrimX)+(RecZ-PrimZ)*(RecZ-PrimZ) ) ; - if(MinDistance > Distance) - { - MinDistance = Distance ; - ClosestPrimary = listofprimaries[index] ; - } - } - TotalRecPart++ ; + TH2F * hAllEnergy = 0 ; //all reconstructed with primary photon + TH2F * hPhotEnergy= 0 ; //kGamma with primary photon + TH2F * hEMEnergy = 0 ; //electromagnetic with primary photon - if(ClosestPrimary >=0 ){ - TotalRPwithPrim++; - - Int_t PrimaryType = ((TParticle *)PrimaryList->At(ClosestPrimary))->GetPdgCode() ; -// TParticlePDG* PDGparticle = ((TParticle *)PrimaryList->At(ClosestPrimary))->GetPDG(); -// Double_t charge = PDGparticle->Charge() ; -// if(charge) -// cout <<"Primary " <At(ClosestPrimary))->Energy() << endl ; - Int_t PrimaryCode ; - switch(PrimaryType) - { - case 22: - PrimaryCode = 0; //Photon - fhAllEnergy->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(), RecParticle->Energy()) ; - fhAllPosition->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(),MinDistance) ; - break; - case 11 : - PrimaryCode = 1; //Electron - break; - case -11 : - PrimaryCode = 1; //positron - break; - case 321 : - PrimaryCode = 4; //K+ - break; - case -321 : - PrimaryCode = 4; //K- - break; - case 310 : - PrimaryCode = 4; //K0s - break; - case 130 : - PrimaryCode = 4; //K0l - break; - case 211 : - PrimaryCode = 2; //K0l - break; - case -211 : - PrimaryCode = 2; //K0l - break; - case 2212 : - PrimaryCode = 2; //K0l - break; - case -2212 : - PrimaryCode = 2; //K0l - break; - default: - PrimaryCode = 3; //ELSE - break; - } - - switch(RecParticle->GetType()) - { - case AliPHOSFastRecParticle::kGAMMA: - if(PrimaryType == 22){ - fhPhotEnergy->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(), RecParticle->Energy() ) ; - fhEMEnergy->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(), RecParticle->Energy() ) ; - fhPPSDEnergy->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(), RecParticle->Energy() ) ; - - fhPhotPosition->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(),MinDistance) ; - fhEMPosition->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(),MinDistance) ; - fhPPSDPosition->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(),MinDistance) ; - - fhPhotReg->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPhotEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPhotPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - fhPhotPhot->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - if(PrimaryType == 2112){ //neutron - fhNReg->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhNEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhNPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - - if(PrimaryType == -2112){ //neutron ~ - fhNBarReg->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhNBarEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhNBarPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - } - if(PrimaryCode == 2){ - fhChargedReg->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhChargedEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhChargedPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - - fhAllReg->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhAllEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhAllPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhShape->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhVeto->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - Counter[0][PrimaryCode]++; - break; - case AliPHOSFastRecParticle::kELECTRON: - if(PrimaryType == 22){ - fhPhotElec->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhEMEnergy->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(), RecParticle->Energy() ) ; - fhEMPosition->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(),MinDistance) ; - fhPhotEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPhotPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - if(PrimaryType == 2112){ //neutron - fhNEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhNPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - - if(PrimaryType == -2112){ //neutron ~ - fhNBarEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhNBarPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - } - if(PrimaryCode == 2){ - fhChargedEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhChargedPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - - fhAllEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhAllPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhShape->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - Counter[1][PrimaryCode]++; - break; - case AliPHOSFastRecParticle::kNEUTRALHA: - if(PrimaryType == 22) - fhPhotNeuH->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - fhVeto->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - Counter[2][PrimaryCode]++; - break ; - case AliPHOSFastRecParticle::kNEUTRALEM: - if(PrimaryType == 22){ - fhEMEnergy->Fill(((TParticle *)PrimaryList->At(ClosestPrimary))->Energy(),RecParticle->Energy() ) ; - fhEMPosition->Fill(((TParticle *)PrimaryList->At(ClosestPrimary))->Energy(),MinDistance ) ; - - fhPhotNuEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPhotEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - if(PrimaryType == 2112) //neutron - fhNEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - if(PrimaryType == -2112) //neutron ~ - fhNBarEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - if(PrimaryCode == 2) - fhChargedEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - fhAllEM->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhShape->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhVeto->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - Counter[3][PrimaryCode]++; - break ; - case AliPHOSFastRecParticle::kCHARGEDHA: - if(PrimaryType == 22) //photon - fhPhotChHa->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - - Counter[4][PrimaryCode]++ ; - break ; - case AliPHOSFastRecParticle::kGAMMAHA: - if(PrimaryType == 22){ //photon - fhPhotGaHa->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPPSDEnergy->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(), RecParticle->Energy() ) ; - fhPPSDPosition->Fill(((TParticle *) PrimaryList->At(ClosestPrimary))->Energy(),MinDistance) ; - fhPhotPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - if(PrimaryType == 2112){ //neutron - fhNPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - - if(PrimaryType == -2112){ //neutron ~ - fhNBarPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - if(PrimaryCode == 2){ - fhChargedPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - } - - fhAllPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhVeto->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - fhPPSD->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - Counter[5][PrimaryCode]++ ; - break ; - case AliPHOSFastRecParticle::kABSURDEM: - Counter[6][PrimaryCode]++ ; - fhShape->Fill(CorrectEnergy(RecParticle->Energy()) ) ; - break; - case AliPHOSFastRecParticle::kABSURDHA: - Counter[7][PrimaryCode]++ ; - break; - default: - Counter[8][PrimaryCode]++ ; - break; - } - } - } - } // endfor - SaveHistograms(); - cout << "Resolutions: Analyzed " << Nevents << " event(s)" << endl ; - cout << "Resolutions: Total primary " << TotalPrimary << endl ; - cout << "Resoluitons: Total reconstracted " << TotalRecPart << endl ; - cout << "TotalReconstructed with Primarie " << TotalRPwithPrim << endl ; - cout << " Primary: Photon Electron Ch. Hadr. Neutr. Hadr Kaons" << endl ; - cout << " Detected as photon " << Counter[0][0] << " " << Counter[0][1] << " " << Counter[0][2] << " " <Get("hAllEnergy") ; + if(hAllEnergy == 0) + hAllEnergy = new TH2F("hAllEnergy", "Energy of any RP with primary photon",100, 0., 5., 100, 0., 5.); -//____________________________________________________________________________ -void AliPHOSAnalyze::BookingHistograms() -{ - // Books the histograms where the results of the analysis are stored (to be changed) - - delete fhEmcDigit ; - delete fhVetoDigit ; - delete fhConvertorDigit ; - delete fhEmcCluster ; - delete fhVetoCluster ; - delete fhConvertorCluster ; - delete fhConvertorEmc ; - - fhEmcDigit = new TH1F("hEmcDigit", "hEmcDigit", 1000, 0. , 25.); - fhVetoDigit = new TH1F("hVetoDigit", "hVetoDigit", 500, 0. , 3.e-5); - fhConvertorDigit = new TH1F("hConvertorDigit","hConvertorDigit", 500, 0. , 3.e-5); - fhEmcCluster = new TH1F("hEmcCluster", "hEmcCluster", 1000, 0. , 30.); - fhVetoCluster = new TH1F("hVetoCluster", "hVetoCluster", 500, 0. , 3.e-5); - fhConvertorCluster = new TH1F("hConvertorCluster","hConvertorCluster",500, 0. , 3.e-5); - fhConvertorEmc = new TH2F("hConvertorEmc", "hConvertorEmc", 200, 1. , 3., 200, 0., 3.e-5); + hPhotEnergy =(TH2F*) efile->Get("hPhotEnergy") ; + if(hPhotEnergy == 0) + hPhotEnergy = new TH2F("hPhotEnergy", "Energy of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.); -} -//____________________________________________________________________________ -void AliPHOSAnalyze::BookResolutionHistograms() -{ - // Books the histograms where the results of the Resolution analysis are stored - -// if(fhAllEnergy) -// delete fhAllEnergy ; -// if(fhPhotEnergy) -// delete fhPhotEnergy ; -// if(fhEMEnergy) -// delete fhEMEnergy ; -// if(fhPPSDEnergy) -// delete fhPPSDEnergy ; - - - fhAllEnergy = new TH2F("hAllEnergy", "Energy of any RP with primary photon",100, 0., 5., 100, 0., 5.); - fhPhotEnergy = new TH2F("hPhotEnergy", "Energy of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.); - fhEMEnergy = new TH2F("hEMEnergy", "Energy of EM with primary photon", 100, 0., 5., 100, 0., 5.); - fhPPSDEnergy = new TH2F("hPPSDEnergy", "Energy of PPSD with primary photon", 100, 0., 5., 100, 0., 5.); - -// if(fhAllPosition) -// delete fhAllPosition ; -// if(fhPhotPosition) -// delete fhPhotPosition ; -// if(fhEMPosition) -// delete fhEMPosition ; -// if(fhPPSDPosition) -// delete fhPPSDPosition ; - - - fhAllPosition = new TH2F("hAllPosition", "Position of any RP with primary photon",100, 0., 5., 100, 0., 5.); - fhPhotPosition = new TH2F("hPhotPosition", "Position of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.); - fhEMPosition = new TH2F("hEMPosition", "Position of EM with primary photon", 100, 0., 5., 100, 0., 5.); - fhPPSDPosition = new TH2F("hPPSDPosition", "Position of PPSD with primary photon", 100, 0., 5., 100, 0., 5.); - -// if(fhAllReg) -// delete fhAllReg ; -// if(fhPhotReg) -// delete fhPhotReg ; -// if(fhNReg) -// delete fhNReg ; -// if(fhNBarReg) -// delete fhNBarReg ; -// if(fhChargedReg) -// delete fhChargedReg ; - - fhAllReg = new TH1F("hAllReg", "All primaries registered as photon", 100, 0., 5.); - fhPhotReg = new TH1F("hPhotReg", "Photon registered as photon", 100, 0., 5.); - fhNReg = new TH1F("hNReg", "N registered as photon", 100, 0., 5.); - fhNBarReg = new TH1F("hNBarReg", "NBar registered as photon", 100, 0., 5.); - fhChargedReg= new TH1F("hChargedReg", "Charged hadron registered as photon",100, 0., 5.); - -// if(fhAllEM) -// delete fhAllEM ; -// if(fhPhotEM) -// delete fhPhotEM ; -// if(fhNEM) -// delete fhNEM ; -// if(fhNBarEM) -// delete fhNBarEM ; -// if(fhChargedEM) -// delete fhChargedEM ; - - fhAllEM = new TH1F("hAllEM", "All primary registered as EM",100, 0., 5.); - fhPhotEM = new TH1F("hPhotEM", "Photon registered as EM", 100, 0., 5.); - fhNEM = new TH1F("hNEM", "N registered as EM", 100, 0., 5.); - fhNBarEM = new TH1F("hNBarEM", "NBar registered as EM", 100, 0., 5.); - fhChargedEM= new TH1F("hChargedEM","Charged registered as EM",100, 0., 5.); - -// if(fhAllPPSD) -// delete fhAllPPSD ; -// if(fhPhotPPSD) -// delete fhPhotPPSD ; -// if(fhNPPSD) -// delete fhNPPSD ; -// if(fhNBarPPSD) -// delete fhNBarPPSD ; -// if(fhChargedPPSD) -// delete fhChargedPPSD ; - - fhAllPPSD = new TH1F("hAllPPSD", "All primary registered as PPSD",100, 0., 5.); - fhPhotPPSD = new TH1F("hPhotPPSD", "Photon registered as PPSD", 100, 0., 5.); - fhNPPSD = new TH1F("hNPPSD", "N registered as PPSD", 100, 0., 5.); - fhNBarPPSD = new TH1F("hNBarPPSD", "NBar registered as PPSD", 100, 0., 5.); - fhChargedPPSD= new TH1F("hChargedPPSD","Charged registered as PPSD",100, 0., 5.); - -// if(fhPrimary) -// delete fhPrimary ; - fhPrimary= new TH1F("hPrimary", "hPrimary", 100, 0., 5.); - -// if(fhAllRP) -// delete fhAllRP ; -// if(fhVeto) -// delete fhVeto ; -// if(fhShape) -// delete fhShape ; -// if(fhPPSD) -// delete fhPPSD ; - - fhAllRP = new TH1F("hAllRP","All Reconstructed particles", 100, 0., 5.); - fhVeto = new TH1F("hVeto", "All uncharged particles", 100, 0., 5.); - fhShape = new TH1F("hShape","All particles with EM shaower",100, 0., 5.); - fhPPSD = new TH1F("hPPSD", "All PPSD photon particles", 100, 0., 5.); - - -// if(fhPhotPhot) -// delete fhPhotPhot ; -// if(fhPhotElec) -// delete fhPhotElec ; -// if(fhPhotNeuH) -// delete fhPhotNeuH ; -// if(fhPhotNuEM) -// delete fhPhotNuEM ; -// if(fhPhotChHa) -// delete fhPhotChHa ; -// if(fhPhotGaHa) -// delete fhPhotGaHa ; - - fhPhotPhot = new TH1F("hPhotPhot","hPhotPhot", 100, 0., 5.); //Photon registered as photon - fhPhotElec = new TH1F("hPhotElec","hPhotElec", 100, 0., 5.); //Photon registered as Electron - fhPhotNeuH = new TH1F("hPhotNeuH","hPhotNeuH", 100, 0., 5.); //Photon registered as Neutral Hadron - fhPhotNuEM = new TH1F("hPhotNuEM","hPhotNuEM", 100, 0., 5.); //Photon registered as Neutral EM - fhPhotChHa = new TH1F("hPhotChHa","hPhotChHa", 100, 0., 5.); //Photon registered as Charged Hadron - fhPhotGaHa = new TH1F("hPhotGaHa","hPhotGaHa", 100, 0., 5.); //Photon registered as Gamma-Hadron + hEMEnergy =(TH2F*) efile->Get("hEMEnergy"); + if(hEMEnergy == 0) + hEMEnergy = new TH2F("hEMEnergy", "Energy of EM with primary photon", 100, 0., 5., 100, 0., 5.); -} -//____________________________________________________________________________ -Bool_t AliPHOSAnalyze::Init(Int_t evt) -{ - // Do a few initializations: open the root file - // get the AliRun object - // defines the clusterizer, tracksegment maker and particle identifier - // sets the associated parameters + AliPHOSGetter * gime = AliPHOSGetter::GetInstance(ffileName.Data(),branchTitle) ; + const AliPHOSGeometry * phosgeom = gime->PHOSGeometry() ; - Bool_t ok = kTRUE ; - - //========== Open galice root file - - if ( fRootFile == 0 ) { - Text_t * name = new Text_t[80] ; - cout << "AnalyzeOneEvent > Enter file root file name : " ; - cin >> name ; - Bool_t ok = OpenRootFile(name) ; - if ( !ok ) - cout << " AliPHOSAnalyze > Error opening " << name << endl ; - else { - //========== Get AliRun object from file + Int_t ievent; + Int_t maxevent = (Int_t)gAlice->TreeE()->GetEntries() ; + for ( ievent=0; ievent < maxevent ; ievent++){ + + //read the current event + gime->Event(ievent) ; + + const AliPHOSRecParticle * recParticle ; + Int_t iRecParticle ; + TClonesArray * rp = gime->RecParticles() ; + if(!rp) { + Error("EnergyResolution", "Event %d, Can't find RecParticles ", ievent) ; + return ; + } + TClonesArray * ts = gime->TrackSegments() ; + if(!ts) { + Error("EnergyResolution", "Event %d, Can't find TrackSegments", ievent) ; + return ; + } + TObjArray * emcrp = gime->EmcRecPoints() ; + if(!emcrp){ + Error("EnergyResolution", "Event %d, Can't find EmcRecPoints") ; + return ; + } - gAlice = (AliRun*) fRootFile->Get("gAlice") ; + for(iRecParticle = 0; iRecParticle < rp->GetEntriesFast() ;iRecParticle++ ){ + recParticle = (AliPHOSRecParticle *) rp->At(iRecParticle) ; - //=========== Get the PHOS object and associated geometry from the file + //find the closest primary + Int_t moduleNumberRec ; + Double_t recX, recZ ; + phosgeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ; - fPHOS = (AliPHOSv1 *)gAlice->GetDetector("PHOS") ; - fGeom = fPHOS->GetGeometry(); - // fGeom = AliPHOSGeometry::GetInstance( fPHOS->GetGeometry()->GetName(), fPHOS->GetGeometry()->GetTitle() ); - - } // else !ok - } // if fRootFile - - if ( ok ) { - - //========== Create the Clusterizer - - fClu = new AliPHOSClusterizerv1() ; - fClu->SetEmcEnergyThreshold(0.030) ; - fClu->SetEmcClusteringThreshold(0.20) ; - fClu->SetPpsdEnergyThreshold (0.0000002) ; - fClu->SetPpsdClusteringThreshold(0.0000001) ; - fClu->SetLocalMaxCut(0.03) ; - fClu->SetCalibrationParameters(0., 0.00000001) ; - cout << "AnalyzeOneEvent > using clusterizer " << fClu->GetName() << endl ; - fClu->PrintParameters() ; - - //========== Creates the track segment maker - - fTrs = new AliPHOSTrackSegmentMakerv1() ; - cout << "AnalyzeOneEvent > using tack segment maker " << fTrs->GetName() << endl ; - // fTrs->UnsetUnfoldFlag() ; - - //========== Creates the particle identifier - - fPID = new AliPHOSPIDv1() ; - cout << "AnalyzeOneEvent > using particle identifier " << fPID->GetName() << endl ; - //fPID->SetShowerProfileCuts(Float_t l1m, Float_t l1M, Float_t l2m, Float_t l2M) ; - fPID->SetShowerProfileCuts(0.7, 2.0 , 0.6 , 1.5) ; + Double_t minDistance = 100. ; + Int_t closestPrimary = -1 ; + + //extract list of primaries: it is stored at EMC RecPoints + Int_t emcIndex = ((AliPHOSTrackSegment*) ts->At(recParticle->GetPHOSTSIndex()))->GetEmcIndex() ; + Int_t numberofprimaries ; + Int_t * listofprimaries = ((AliPHOSEmcRecPoint*) emcrp->At(emcIndex))->GetPrimaries(numberofprimaries) ; + + Int_t index ; + const TParticle * primary ; + Double_t distance = minDistance ; + Double_t dX, dZ; + Double_t dXmin = 0.; + Double_t dZmin = 0. ; + for ( index = 0 ; index < numberofprimaries ; index++){ + primary = gime->Primary(listofprimaries[index]) ; + Int_t moduleNumber ; + Double_t primX, primZ ; + phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; + if(moduleNumberRec == moduleNumber) { + dX = recX - primX; + dZ = recZ - primZ; + distance = TMath::Sqrt(dX*dX + dZ*dZ) ; + if(minDistance > distance) { + minDistance = distance ; + dXmin = dX; + dZmin = dZ; + closestPrimary = listofprimaries[index] ; + } + } + } - //========== Creates the Reconstructioner - - fRec = new AliPHOSReconstructioner(fClu, fTrs, fPID) ; -// fRec -> SetDebugReconstruction(kFALSE); - fRec -> SetDebugReconstruction(kTRUE); - - //=========== Connect the various Tree's for evt - - if ( evt == -999 ) { - cout << "AnalyzeOneEvent > Enter event number : " ; - cin >> evt ; - cout << evt << endl ; + //if found primary, fill histograms + if(closestPrimary >=0 ){ + const TParticle * primary = gime->Primary(closestPrimary) ; + if(primary->GetPdgCode() == 22){ + hAllEnergy->Fill(primary->Energy(), recParticle->Energy()) ; + if(recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST){ + hPhotEnergy->Fill(primary->Energy(), recParticle->Energy() ) ; + hEMEnergy->Fill(primary->Energy(), recParticle->Energy() ) ; + } + else + if(recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMSLOW) + hEMEnergy->Fill(primary->Energy(), recParticle->Energy() ) ; + } + } } - fEvt = evt ; - gAlice->GetEvent(evt); - - //=========== Get the Digit TTree - - gAlice->TreeD()->GetEvent(0) ; - - } // ok - - return ok ; -} + } + //write filled histograms + efile->cd() ; + hAllEnergy->Write(0,kOverwrite) ; + hPhotEnergy->Write(0,kOverwrite) ; + hEMEnergy->Write(0,kOverwrite) ; + // efile->Write() ; + efile->Close() ; + delete efile ; +} //____________________________________________________________________________ -void AliPHOSAnalyze::DisplayKineEvent(Int_t evt) +void AliPHOSAnalyze::PositionResolution(const char * branchTitle) { - // Display particles from the Kine Tree in global Alice (theta, phi) coordinates. - // One PHOS module at the time. - // The particle type can be selected. - - if (evt == -999) - evt = fEvt ; - - Int_t module ; - cout << "DisplayKineEvent > which module (1-5, -1: all) ? " ; - cin >> module ; cout << module << endl ; + //fills two dimentional histo: energy vs. primary - reconstructed distance - Int_t testparticle ; - cout << " 22 : PHOTON " << endl - << " (-)11 : (POSITRON)ELECTRON " << endl - << " (-)2112 : (ANTI)NEUTRON " << endl - << " -999 : Everything else " << endl ; - cout << "DisplayKineEvent > enter PDG particle code to display " ; - cin >> testparticle ; cout << testparticle << endl ; - Text_t histoname[80] ; - sprintf(histoname,"Event %d: Incident particles in module %d", evt, module) ; - Double_t tm, tM, pm, pM ; // min and Max theta and phi covered by module - fGeom->EmcModuleCoverage(module, tm, tM, pm, pM, AliPHOSGeometry::Degre() ) ; + TH2F * hAllPosition = 0; // Position of any RP with primary photon + TH2F * hPhotPosition = 0; // Position of kGAMMA with primary photon + TH2F * hEMPosition = 0; // Position of EM with primary photon - Double_t theta, phi ; - fGeom->EmcXtalCoverage(theta, phi, AliPHOSGeometry::Degre() ) ; + TH1F * hAllPositionX = 0; // X-Position Resolution of photons with photon primary + TH1F * hAllPositionZ = 0; // Z-Position Resolution of photons with photon primary - Int_t tdim = (Int_t)( (tM - tm) / theta ) ; - Int_t pdim = (Int_t)( (pM - pm) / phi ) ; - tm -= theta ; - tM += theta ; - pm -= phi ; - pM += phi ; + //opening file and reading histograms if any + TFile * pfile = new TFile("position.root","update"); - TH2F * histoparticle = new TH2F("histoparticle", histoname, - pdim, pm, pM, tdim, tm, tM) ; - histoparticle->SetStats(kFALSE) ; + hAllPosition = (TH2F*)pfile->Get("hAllPosition"); + if(hAllPosition == 0) + hAllPosition = new TH2F("hAllPosition", + "Position of any RP with primary photon",100, 0., 5., 100, 0., 5.); + hPhotPosition= (TH2F*)pfile->Get("hPhotPosition"); + if(hPhotPosition == 0) + hPhotPosition = new TH2F("hPhotPosition", + "Position of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.); + hEMPosition= (TH2F*)pfile->Get("hEMPosition") ; + if(hEMPosition == 0) + hEMPosition = new TH2F("hEMPosition", + "Position of EM with primary photon", 100, 0., 5., 100, 0., 5.); + hAllPositionX = (TH1F*)pfile->Get("hAllPositionX") ; + if(hAllPositionX == 0) + hAllPositionX = new TH1F("hAllPositionX", + "Delta X of any RP with primary photon",100, -2., 2.); + hAllPositionZ =(TH1F*) pfile->Get("hAllPositionZ") ; + if(hAllPositionZ == 0) + hAllPositionZ = new TH1F("hAllPositionZ", + "Delta X of any RP with primary photon",100, -2., 2.); - // Get pointers to Alice Particle TClonesArray - TParticle * particle; - TClonesArray * particlearray = gAlice->Particles(); + AliPHOSGetter * gime = AliPHOSGetter::GetInstance(ffileName.Data(),branchTitle) ; + const AliPHOSGeometry * phosgeom = gime->PHOSGeometry() ; - Text_t canvasname[80]; - sprintf(canvasname,"Particles incident in PHOS/EMC module # %d",module) ; - TCanvas * kinecanvas = new TCanvas("kinecanvas", canvasname, 650, 500) ; - - // get the KINE Tree - - TTree * kine = gAlice->TreeK() ; - Stat_t nParticles = kine->GetEntries() ; - cout << "DisplayKineEvent > events in kine " << nParticles << endl ; - - // loop over particles - - Double_t kRADDEG = 180. / TMath::Pi() ; - Int_t index1 ; - Int_t nparticlein = 0 ; - for (index1 = 0 ; index1 < nParticles ; index1++){ - Int_t nparticle = particlearray->GetEntriesFast() ; - Int_t index2 ; - for( index2 = 0 ; index2 < nparticle ; index2++) { - particle = (TParticle*)particlearray->UncheckedAt(index2) ; - Int_t particletype = particle->GetPdgCode() ; - if (testparticle == -999 || testparticle == particletype) { - Double_t phi = particle->Phi() ; - Double_t theta = particle->Theta() ; - Int_t mod ; - Double_t x, z ; - fGeom->ImpactOnEmc(theta, phi, mod, z, x) ; - if ( mod == module ) { - nparticlein++ ; - if (particle->Energy() > fClu->GetEmcClusteringThreshold() ) - histoparticle->Fill(phi*kRADDEG, theta*kRADDEG, particle->Energy() ) ; - } - } + Int_t ievent; + Int_t maxevent = (Int_t)gAlice->TreeE()->GetEntries() ; + for ( ievent=0; ievent < maxevent ; ievent++){ + + //read the current event + gime->Event(ievent) ; + TClonesArray * rp = gime->RecParticles() ; + if(!rp) { + Error("PositionResolution", "Event %d, Can't find RecParticles", ievent) ; + return ; } - } - kinecanvas->Draw() ; - histoparticle->Draw("color") ; - TPaveText * pavetext = new TPaveText(294, 100, 300, 101); - Text_t text[40] ; - sprintf(text, "Particles: %d ", nparticlein) ; - pavetext->AddText(text) ; - pavetext->Draw() ; - kinecanvas->Update(); + TClonesArray * ts = gime->TrackSegments() ; + if(!ts) { + Error("PositionResolution", "Event %d, Can't find TrackSegments", ievent) ; + return ; + } + TObjArray * emcrp = gime->EmcRecPoints() ; + if(!emcrp){ + Error("PositionResolution", "Event %d, Can't find EmcRecPoints", ievent) ; + return ; + } + + + const AliPHOSRecParticle * recParticle ; + Int_t iRecParticle ; + for(iRecParticle = 0; iRecParticle < rp->GetEntriesFast(); iRecParticle++ ){ + recParticle = (AliPHOSRecParticle *) rp->At(iRecParticle) ; + + //find the closest primary + Int_t moduleNumberRec ; + Double_t recX, recZ ; + phosgeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ; + + Double_t minDistance = 100. ; + Int_t closestPrimary = -1 ; + + //extract list of primaries: it is stored at EMC RecPoints + Int_t emcIndex = ((AliPHOSTrackSegment*) ts->At(recParticle->GetPHOSTSIndex()))->GetEmcIndex() ; + Int_t numberofprimaries ; + Int_t * listofprimaries = ((AliPHOSEmcRecPoint *) emcrp->At(emcIndex))->GetPrimaries(numberofprimaries) ; -} -//____________________________________________________________________________ -void AliPHOSAnalyze::DisplayRecParticles() -{ - // Display reconstructed particles in global Alice(theta, phi) coordinates. - // One PHOS module at the time. - // Click on symbols indicate the reconstructed particle type. - - if (fEvt == -999) { - cout << "DisplayRecParticles > Analyze an event first ... (y/n) " ; - Text_t answer[1] ; - cin >> answer ; cout << answer ; -// if ( answer == "y" ) -// AnalyzeOneEvent() ; - } - if (fEvt != -999) { + Int_t index ; + const TParticle * primary ; + Double_t distance = minDistance ; + Double_t dX = 1000; // incredible number + Double_t dZ = 1000; // for the case if no primary will be found + Double_t dXmin = 0.; + Double_t dZmin = 0. ; + for ( index = 0 ; index < numberofprimaries ; index++){ + primary = gime->Primary(listofprimaries[index]) ; + Int_t moduleNumber ; + Double_t primX, primZ ; + phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; + if(moduleNumberRec == moduleNumber) { + dX = recX - primX; + dZ = recZ - primZ; + distance = TMath::Sqrt(dX*dX + dZ*dZ) ; + if(minDistance > distance) { + minDistance = distance ; + dXmin = dX; + dZmin = dZ; + closestPrimary = listofprimaries[index] ; + } + } + } - Int_t module ; - cout << "DisplayRecParticles > which module (1-5, -1: all) ? " ; - cin >> module ; cout << module << endl ; - Text_t histoname[80] ; - sprintf(histoname,"Event %d: Reconstructed particles in module %d", fEvt, module) ; - Double_t tm, tM, pm, pM ; // min and Max theta and phi covered by module - fGeom->EmcModuleCoverage(module, tm, tM, pm, pM, AliPHOSGeometry::Degre() ) ; - Double_t theta, phi ; - fGeom->EmcXtalCoverage(theta, phi, AliPHOSGeometry::Degre() ) ; - Int_t tdim = (Int_t)( (tM - tm) / theta ) ; - Int_t pdim = (Int_t)( (pM - pm) / phi ) ; - tm -= theta ; - tM += theta ; - pm -= phi ; - TH2F * histoRparticle = new TH2F("histoRparticle", histoname, - pdim, pm, pM, tdim, tm, tM) ; - histoRparticle->SetStats(kFALSE) ; - Text_t canvasname[80] ; - sprintf(canvasname, "Reconstructed particles in PHOSmodule # %d", module) ; - TCanvas * rparticlecanvas = new TCanvas("RparticleCanvas", canvasname, 650, 500) ; - AliPHOSRecParticle::RecParticlesList * rpl = *fPHOS->RecParticles() ; - Int_t nRecParticles = rpl->GetEntries() ; - Int_t nRecParticlesInModule = 0 ; - TIter nextRecPart(rpl) ; - AliPHOSRecParticle * rp ; - cout << "DisplayRecParticles > " << nRecParticles << " reconstructed particles " << endl ; - Double_t kRADDEG = 180. / TMath::Pi() ; - while ( (rp = (AliPHOSRecParticle *)nextRecPart() ) ) { - AliPHOSTrackSegment * ts = rp->GetPHOSTrackSegment() ; - if ( ts->GetPHOSMod() == module ) { - Int_t numberofprimaries = 0 ; - Int_t * listofprimaries = 0; - rp->GetPrimaries(numberofprimaries) ; - cout << "Number of primaries = " << numberofprimaries << endl ; - Int_t index ; - for ( index = 0 ; index < numberofprimaries ; index++) - cout << " primary # " << index << " = " << listofprimaries[index] << endl ; - - nRecParticlesInModule++ ; - Double_t theta = rp->Theta() * kRADDEG ; - Double_t phi = rp->Phi() * kRADDEG ; - Double_t energy = rp->Energy() ; - histoRparticle->Fill(phi, theta, energy) ; + //if found primary, fill histograms + if(closestPrimary >=0 ){ + const TParticle * primary = gime->Primary(closestPrimary) ; + if(primary->GetPdgCode() == 22){ + hAllPosition->Fill(primary->Energy(), minDistance) ; + hAllPositionX->Fill(primary->Energy(), dX) ; + hAllPositionZ->Fill(primary->Energy(), dZ) ; + if(recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST){ + hPhotPosition->Fill(primary->Energy(), minDistance ) ; + hEMPosition->Fill(primary->Energy(), minDistance ) ; + } + else + if(recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMSLOW) + hEMPosition->Fill(primary->Energy(), minDistance ) ; } } - histoRparticle->Draw("color") ; + } + } + + //Write output histgrams + pfile->cd() ; + hAllPosition->Write(0,kOverwrite) ; + hAllPositionX->Write(0,kOverwrite) ; + hAllPositionZ->Write(0,kOverwrite) ; + hPhotPosition->Write(0,kOverwrite) ; + hEMPosition->Write(0,kOverwrite) ; + pfile->Write() ; + pfile->Close() ; + delete pfile ; - nextRecPart.Reset() ; - while ( (rp = (AliPHOSRecParticle *)nextRecPart() ) ) { - AliPHOSTrackSegment * ts = rp->GetPHOSTrackSegment() ; - if ( ts->GetPHOSMod() == module ) - rp->Draw("P") ; - } - Text_t text[80] ; - sprintf(text, "reconstructed particles: %d", nRecParticlesInModule) ; - TPaveText * pavetext = new TPaveText(292, 100, 300, 101); - pavetext->AddText(text) ; - pavetext->Draw() ; - rparticlecanvas->Update() ; - } } - //____________________________________________________________________________ -void AliPHOSAnalyze::DisplayRecPoints() -{ - // Display reconstructed points in local PHOS-module (x, z) coordinates. - // One PHOS module at the time. - // Click on symbols displays the EMC cluster, or PPSD information. - - if (fEvt == -999) { - cout << "DisplayRecPoints > Analyze an event first ... (y/n) " ; - Text_t answer[1] ; - cin >> answer ; cout << answer ; -// if ( answer == "y" ) -// AnalyzeOneEvent() ; - } - if (fEvt != -999) { - - Int_t module ; - cout << "DisplayRecPoints > which module (1-5, -1: all) ? " ; - cin >> module ; cout << module << endl ; - - Text_t canvasname[80]; - sprintf(canvasname,"Digits in PHOS/EMC module # %d",module) ; - TCanvas * modulecanvas = new TCanvas("module", canvasname, 650, 500) ; - modulecanvas->Draw() ; - - //=========== Creating 2d-histogram of the PHOS module - // a little bit junkie but is used to test Geom functinalities +void AliPHOSAnalyze::Contamination(const char* RecPointsTitle){ +// fills spectra of primary photons and several kinds of +// reconstructed particles, so that analyzing them one can +// estimate conatmination, efficiency of registration etc. + + //define several general histograms + TH1F * hPrimary = 0; //spectrum (P_t distribution) of primary photons + TH1F * hAllRP = 0; //spectrum of all RecParticles in PHOS + TH1F * hPhot = 0; //spectrum of kGAMMA RecParticles + TH1F * hShape = 0; //spectrum of all EM RecParticles + TH1F * hVeto = 0; //spectrum of all neutral RecParticles + + //Now separate histograms in accoradance with primary + //primary - photon + TH1F * hPhotReg = 0; //Registeres as photon + TH1F * hPhotEM = 0; //Registered as EM + + //primary - n + TH1F * hNReg = 0; //Registeres as photon + TH1F * hNEM = 0; //Registered as EM + + //primary - nBar + TH1F * hNBarReg = 0; //Registeres as photon + TH1F * hNBarEM = 0; //Registered as EM + + //primary - charged hadron (pBar excluded) + TH1F * hChargedReg = 0; //Registeres as photon + TH1F * hChargedEM = 0; //Registered as EM + + //primary - pBar + TH1F * hPbarReg = 0; //Registeres as photon + TH1F * hPbarEM = 0; //Registered as EM + + + //Reading histograms from the file + TFile * cfile = new TFile("contamination.root","update") ; + + //read general histograms + hPrimary = (TH1F*) cfile->Get("hPrimary") ; + if(hPrimary == 0) + hPrimary= new TH1F("hPrimary", "Primary photon spectrum", 100, 0., 5.); + hAllRP = (TH1F*)cfile->Get("hAllRP") ; + if(hAllRP == 0) + hAllRP = new TH1F("hAllRP","All Reconstructed particles", 100, 0., 5.); + hPhot = (TH1F*)cfile->Get("hPhot") ; + if(hPhot == 0) + hPhot = new TH1F("hPhot","All kGAMMA RecParticles",100, 0., 5.); + hShape = (TH1F*) cfile->Get("hShape") ; + if(hShape == 0) + hShape = new TH1F("hShape","All particles with EM shower",100, 0., 5.); + hVeto= (TH1F*)cfile->Get("hVeto") ; + if(hVeto == 0) + hVeto = new TH1F("hVeto", "All uncharged particles", 100, 0., 5.); + + + //primary - photon + hPhotReg = (TH1F*)cfile->Get("hPhotReg"); + if(hPhotReg == 0) + hPhotReg = new TH1F("hPhotReg","Photon registered as photon",100, 0., 5.); + hPhotEM =(TH1F*)cfile->Get("hPhotEM"); + if(hPhotEM== 0) + hPhotEM = new TH1F("hPhotEM", "Photon registered as EM", 100, 0., 5.); + + //primary - n + hNReg = (TH1F*)cfile->Get("hNReg"); + if(hNReg== 0) + hNReg = new TH1F("hNReg", "N registered as photon", 100, 0., 5.); + hNEM = (TH1F*)cfile->Get("hNEM"); + if(hNEM== 0) + hNEM = new TH1F("hNEM", "N registered as EM", 100, 0., 5.); + + //primary - nBar + hNBarReg =(TH1F*)cfile->Get("hNBarReg"); + if(hNBarReg== 0) + hNBarReg = new TH1F("hNBarReg", "NBar registered as photon", 100, 0., 5.); + hNBarEM =(TH1F*)cfile->Get("hNBarEM"); + if(hNBarEM== 0) + hNBarEM = new TH1F("hNBarEM", "NBar registered as EM", 100, 0., 5.); + + //primary - charged hadron (pBar excluded) + hChargedReg = (TH1F*)cfile->Get("hChargedReg"); + if(hChargedReg== 0) + hChargedReg= new TH1F("hChargedReg", "Charged hadron registered as photon",100, 0., 5.); + hChargedEM = (TH1F*)cfile->Get("hChargedEM"); + if(hChargedEM== 0) + hChargedEM= new TH1F("hChargedEM","Charged registered as EM",100, 0., 5.); + + //primary - pBar + hPbarReg = (TH1F*)cfile->Get("hPbarReg"); + if(hPbarReg== 0) + hPbarReg= new TH1F("hPbarReg", "pBar registered as photon",100, 0., 5.); + hPbarEM = (TH1F*)cfile->Get("hPbarEM"); + if(hPbarEM== 0) + hPbarEM= new TH1F("hPbarEM","Pbar registered as EM",100, 0., 5.); + - Double_t tm, tM, pm, pM ; // min and Max theta and phi covered by module - - fGeom->EmcModuleCoverage(module, tm, tM, pm, pM); - // convert angles into coordinates local to the EMC module of interest - - Int_t emcModuleNumber ; - Double_t emcModulexm, emcModulezm ; // minimum local coordinate in a given EMCA module - Double_t emcModulexM, emcModulezM ; // maximum local coordinate in a given EMCA module - fGeom->ImpactOnEmc(tm, pm, emcModuleNumber, emcModulezm, emcModulexm) ; - fGeom->ImpactOnEmc(tM, pM, emcModuleNumber, emcModulezM, emcModulexM) ; - Int_t xdim = (Int_t)( ( emcModulexM - emcModulexm ) / fGeom->GetCrystalSize(0) ) ; - Int_t zdim = (Int_t)( ( emcModulezM - emcModulezm ) / fGeom->GetCrystalSize(2) ) ; - Float_t xmin = emcModulexm - fGeom->GetCrystalSize(0) ; - Float_t xMax = emcModulexM + fGeom->GetCrystalSize(0) ; - Float_t zmin = emcModulezm - fGeom->GetCrystalSize(2) ; - Float_t zMax = emcModulezM + fGeom->GetCrystalSize(2) ; - Text_t histoname[80]; - sprintf(histoname,"Event %d: Digits and RecPoints in module %d", fEvt, module) ; - TH2F * hModule = new TH2F("HistoReconstructed", histoname, - xdim, xmin, xMax, zdim, zmin, zMax) ; - hModule->SetMaximum(2.0); - hModule->SetMinimum(0.0); - hModule->SetStats(kFALSE); - - TIter next(fPHOS->Digits()) ; - Float_t energy, y, z; - Float_t etot=0.; - Int_t relid[4]; Int_t nDigits = 0 ; - AliPHOSDigit * digit ; - - // Making 2D histogram of the EMC module - while((digit = (AliPHOSDigit *)next())) - { - fGeom->AbsToRelNumbering(digit->GetId(), relid) ; - if (relid[0] == module && relid[1] == 0) - { - energy = fClu->Calibrate(digit->GetAmp()) ; - cout << "Energy is " << energy << " and threshold is " << fClu->GetEmcEnergyThreshold() << endl; - if (energy > fClu->GetEmcEnergyThreshold() ){ - nDigits++ ; - etot += energy ; - fGeom->RelPosInModule(relid,y,z) ; - hModule->Fill(y, z, energy) ; - } - } - } - cout <<"DrawRecPoints > Found in module " - << module << " " << nDigits << " digits with total energy " << etot << endl ; - hModule->Draw("col2") ; + //Now make some initializations - //=========== Cluster in module + Int_t counter[8][5] ; //# of registered particles + Int_t i1,i2 ; + for(i1 = 0; i1<8; i1++) + for(i2 = 0; i2<5; i2++) + counter[i1][i2] = 0 ; - // TClonesArray * emcRP = fPHOS->EmcClusters() ; - TObjArray * emcRP = *(fPHOS->EmcRecPoints()) ; - - etot = 0.; - Int_t totalnClusters = 0 ; - Int_t nClusters = 0 ; - TIter nextemc(emcRP) ; - AliPHOSEmcRecPoint * emc ; - while((emc = (AliPHOSEmcRecPoint *)nextemc())) - { - // Int_t numberofprimaries ; - // Int_t * primariesarray = new Int_t[10] ; - // emc->GetPrimaries(numberofprimaries, primariesarray) ; - totalnClusters++ ; - if ( emc->GetPHOSMod() == module ) - { - nClusters++ ; - energy = emc->GetTotalEnergy() ; - etot+= energy ; - emc->Draw("M") ; - } - } - cout << "DrawRecPoints > Found " << totalnClusters << " EMC Clusters in PHOS" << endl ; - cout << "DrawRecPoints > Found in module " << module << " " << nClusters << " EMC Clusters " << endl ; - cout << "DrawRecPoints > total energy " << etot << endl ; - - TPaveText * pavetext = new TPaveText(22, 80, 83, 90); - Text_t text[40] ; - sprintf(text, "digits: %d; clusters: %d", nDigits, nClusters) ; - pavetext->AddText(text) ; - pavetext->Draw() ; - modulecanvas->Update(); - - //=========== Cluster in module PPSD Down - // TClonesArray * ppsdRP = fPHOS->PpsdClusters() ; - TObjArray * ppsdRP = *(fPHOS->PpsdRecPoints() ); - - etot = 0.; - TIter nextPpsd(ppsdRP) ; - AliPHOSPpsdRecPoint * ppsd ; - while((ppsd = (AliPHOSPpsdRecPoint *)nextPpsd())) - { - totalnClusters++ ; - if ( ppsd->GetPHOSMod() == module ) - { - nClusters++ ; - energy = ppsd->GetEnergy() ; - etot+=energy ; - if (!ppsd->GetUp()) ppsd->Draw("P") ; - } - } - cout << "DrawRecPoints > Found " << totalnClusters << " Ppsd Down Clusters in PHOS" << endl ; - cout << "DrawRecPoints > Found in module " << module << " " << nClusters << " Ppsd Down Clusters " << endl ; - cout << "DrawRecPoints > total energy " << etot << endl ; - //=========== Cluster in module PPSD Up + AliPHOSGetter * gime = AliPHOSGetter::GetInstance(ffileName.Data(),RecPointsTitle) ; + const AliPHOSGeometry * phosgeom = gime->PHOSGeometry() ; - ppsdRP = *(fPHOS->PpsdRecPoints()) ; - - etot = 0.; - TIter nextPpsdUp(ppsdRP) ; - while((ppsd = (AliPHOSPpsdRecPoint *)nextPpsdUp())) - { - totalnClusters++ ; - if ( ppsd->GetPHOSMod() == module ) - { - nClusters++ ; - energy = ppsd->GetEnergy() ; - etot+=energy ; - if (ppsd->GetUp()) ppsd->Draw("P") ; - } - } - cout << "DrawRecPoints > Found " << totalnClusters << " Ppsd Up Clusters in PHOS" << endl ; - cout << "DrawRecPoints > Found in module " << module << " " << nClusters << " Ppsd Up Clusters " << endl ; - cout << "DrawRecPoints > total energy " << etot << endl ; + Int_t ievent; + Int_t maxevent = (Int_t)gAlice->TreeE()->GetEntries() ; + for ( ievent=0; ievent < maxevent ; ievent++){ - } // if !-999 -} - -//____________________________________________________________________________ -void AliPHOSAnalyze::DisplayTrackSegments() -{ - // Display track segments in local PHOS-module (x, z) coordinates. - // One PHOS module at the time. - // One symbol per PHOS subsystem: EMC, upper PPSD, lower PPSD. - - if (fEvt == -999) { - cout << "DisplayTrackSegments > Analyze an event first ... (y/n) " ; - Text_t answer[1] ; - cin >> answer ; cout << answer ; -// if ( answer == "y" ) -// AnalyzeOneEvent() ; - } - if (fEvt != -999) { - - Int_t module ; - cout << "DisplayTrackSegments > which module (1-5, -1: all) ? " ; - cin >> module ; cout << module << endl ; - //=========== Creating 2d-histogram of the PHOS module - // a little bit junkie but is used to test Geom functinalities + gime->Event(ievent) ; + + TClonesArray * rp = gime->RecParticles() ; + if(!rp) { + Error("Contamination", "Event %d, Can't find RecParticles", ievent) ; + return ; + } + TClonesArray * ts = gime->TrackSegments() ; + if(!ts) { + Error("Contamination", "Event %d, Can't find TrackSegments", ievent) ; + return ; + } + TObjArray * emcrp = gime->EmcRecPoints() ; + if(!emcrp){ + Error("Contamination", "Event %d, Can't find EmcRecPoints", ievent) ; + return ; + } + + + //=========== Make spectrum of the primary photons + const TParticle * primary ; + Int_t iPrimary ; + for( iPrimary = 0 ; iPrimary < gime->NPrimaries() ; iPrimary++){ + primary = gime->Primary(iPrimary) ; + Int_t primaryType = primary->GetPdgCode() ; + if( primaryType == 22 ) { + //check, if photons folls onto PHOS + Int_t moduleNumber ; + Double_t primX, primZ ; + phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; + if(moduleNumber) + hPrimary->Fill(primary->Energy()) ; + + } - Double_t tm, tM, pm, pM ; // min and Max theta and phi covered by module + } + + //========== Now scan over RecParticles + const AliPHOSRecParticle * recParticle ; + Int_t iRecParticle ; + for(iRecParticle = 0; iRecParticle < rp->GetEntriesFast(); iRecParticle++ ){ + recParticle = (AliPHOSRecParticle *) rp->At(iRecParticle) ; + //fill histo spectrum of all RecParticles + hAllRP->Fill(CorrectedEnergy(recParticle->Energy())) ; - fGeom->EmcModuleCoverage(module, tm, tM, pm, pM); - // convert angles into coordinates local to the EMC module of interest + //==========find the closest primary + Int_t moduleNumberRec ; + Double_t recX, recZ ; + phosgeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ; - Int_t emcModuleNumber ; - Double_t emcModulexm, emcModulezm ; // minimum local coordinate in a given EMCA module - Double_t emcModulexM, emcModulezM ; // maximum local coordinate in a given EMCA module - fGeom->ImpactOnEmc(tm, pm, emcModuleNumber, emcModulezm, emcModulexm) ; - fGeom->ImpactOnEmc(tM, pM, emcModuleNumber, emcModulezM, emcModulexM) ; - Int_t xdim = (Int_t)( ( emcModulexM - emcModulexm ) / fGeom->GetCrystalSize(0) ) ; - Int_t zdim = (Int_t)( ( emcModulezM - emcModulezm ) / fGeom->GetCrystalSize(2) ) ; - Float_t xmin = emcModulexm - fGeom->GetCrystalSize(0) ; - Float_t xMax = emcModulexM + fGeom->GetCrystalSize(0) ; - Float_t zmin = emcModulezm - fGeom->GetCrystalSize(2) ; - Float_t zMax = emcModulezM + fGeom->GetCrystalSize(2) ; - Text_t histoname[80]; - sprintf(histoname,"Event %d: Track Segments in module %d", fEvt, module) ; - TH2F * histotrack = new TH2F("histotrack", histoname, - xdim, xmin, xMax, zdim, zmin, zMax) ; - histotrack->SetStats(kFALSE); - Text_t canvasname[80]; - sprintf(canvasname,"Track segments in PHOS/EMC-PPSD module # %d", module) ; - TCanvas * trackcanvas = new TCanvas("TrackSegmentCanvas", canvasname, 650, 500) ; - histotrack->Draw() ; - - AliPHOSTrackSegment::TrackSegmentsList * trsegl = *(fPHOS->TrackSegments()) ; - AliPHOSTrackSegment * trseg ; - - Int_t nTrackSegments = trsegl->GetEntries() ; + Double_t minDistance = 100. ; + Int_t closestPrimary = -1 ; + + //extract list of primaries: it is stored at EMC RecPoints + Int_t emcIndex = ((AliPHOSTrackSegment *) ts->At(recParticle->GetPHOSTSIndex()))->GetEmcIndex() ; + Int_t numberofprimaries ; + Int_t * listofprimaries = ((AliPHOSEmcRecPoint *) emcrp->At(emcIndex))->GetPrimaries(numberofprimaries) ; Int_t index ; - Float_t etot = 0 ; - Int_t nTrackSegmentsInModule = 0 ; - for(index = 0; index < nTrackSegments ; index++){ - trseg = (AliPHOSTrackSegment * )trsegl->At(index) ; - etot+= trseg->GetEnergy() ; - if ( trseg->GetPHOSMod() == module ) { - nTrackSegmentsInModule++ ; - trseg->Draw("P"); + const TParticle * primary ; + Double_t distance = minDistance ; + Double_t dX, dZ; + Double_t dXmin = 0.; + Double_t dZmin = 0. ; + for ( index = 0 ; index < numberofprimaries ; index++){ + primary = gime->Primary(listofprimaries[index]) ; + Int_t moduleNumber ; + Double_t primX, primZ ; + phosgeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; + if(moduleNumberRec == moduleNumber) { + dX = recX - primX; + dZ = recZ - primZ; + distance = TMath::Sqrt(dX*dX + dZ*dZ) ; + if(minDistance > distance) { + minDistance = distance ; + dXmin = dX; + dZmin = dZ; + closestPrimary = listofprimaries[index] ; + } } - } - Text_t text[80] ; - sprintf(text, "track segments: %d", nTrackSegmentsInModule) ; - TPaveText * pavetext = new TPaveText(22, 80, 83, 90); - pavetext->AddText(text) ; - pavetext->Draw() ; - trackcanvas->Update() ; - cout << "DisplayTrackSegments > Found " << trsegl->GetEntries() << " Track segments with total energy "<< etot << endl ; - - } -} -//____________________________________________________________________________ -Bool_t AliPHOSAnalyze::OpenRootFile(Text_t * name) -{ - // Open the root file named "name" + } + + //===========define the "type" of closest primary + if(closestPrimary >=0 ){ + Int_t primaryCode = -1; + const TParticle * primary = gime->Primary(closestPrimary) ; + Int_t primaryType = primary->GetPdgCode() ; + if(primaryType == 22) // photon ? + primaryCode = 0 ; + else + if(primaryType == 2112) // neutron + primaryCode = 1 ; + else + if(primaryType == -2112) // Anti neutron + primaryCode = 2 ; + else + if(primaryType == -2122) //Anti proton + primaryCode = 4 ; + else { + TParticle tempo(*primary) ; + if(tempo.GetPDG()->Charge()) + primaryCode = 3 ; + } + + //==========Now look at the type of RecParticle + Float_t energy = CorrectedEnergy(recParticle->Energy()) ; + if(recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST){ + hPhot->Fill(energy ) ; + switch(primaryCode){ + case 0: + hPhotReg->Fill(energy ) ; + break ; + case 1: + hNReg->Fill(energy ) ; + break ; + case 2: + hNBarReg->Fill(energy ) ; + break ; + case 3: + hChargedReg->Fill(energy ) ; + break ; + case 4: + hPbarReg->Fill(energy ) ; + break ; + default: + break ; + } + } + if((recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST)|| + (recParticle->GetType() == AliPHOSFastRecParticle::kCHARGEDEMFAST)|| + (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMSLOW)|| + (recParticle->GetType() == AliPHOSFastRecParticle::kCHARGEDEMSLOW) ){ //with EM shower + hShape->Fill(energy ) ; + switch(primaryCode){ + case 0: + hPhotEM->Fill(energy ) ; + break ; + case 1: + hNEM->Fill(energy ) ; + break ; + case 2: + hNBarEM->Fill(energy ) ; + break ; + case 3: + hChargedEM->Fill(energy ) ; + break ; + case 4: + hPbarEM->Fill(energy ) ; + break ; + default: + break ; + } + } + + if((recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMFAST)|| + (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALHAFAST) || + (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEMSLOW) || + (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALHASLOW) ) //nuetral + hVeto->Fill(energy ) ; + + //fill number of primaries identified as ... + if(primaryCode >= 0) // Primary code defined + counter[recParticle->GetType()][primaryCode]++ ; + + } + + } // no closest primary found + } - fRootFile = new TFile(name, "update") ; - return fRootFile->IsOpen() ; -} -//____________________________________________________________________________ -void AliPHOSAnalyze::SaveHistograms() -{ - // Saves the histograms in a root file named "name.analyzed" - - Text_t outputname[80] ; - sprintf(outputname,"%s.analyzed",fRootFile->GetName()); - TFile output(outputname,"RECREATE"); - output.cd(); - - if (fhAllEnergy) - fhAllEnergy->Write() ; - if (fhPhotEnergy) - fhPhotEnergy->Write() ; - if(fhEMEnergy) - fhEMEnergy->Write() ; - if(fhPPSDEnergy) - fhPPSDEnergy->Write() ; - if(fhAllPosition) - fhAllPosition->Write() ; - if(fhPhotPosition) - fhPhotPosition->Write() ; - if(fhEMPosition) - fhEMPosition->Write() ; - if(fhPPSDPosition) - fhPPSDPosition->Write() ; - if (fhAllReg) - fhAllReg->Write() ; - if (fhPhotReg) - fhPhotReg->Write() ; - if(fhNReg) - fhNReg->Write() ; - if(fhNBarReg) - fhNBarReg->Write() ; - if(fhChargedReg) - fhChargedReg->Write() ; - if (fhAllEM) - fhAllEM->Write() ; - if (fhPhotEM) - fhPhotEM->Write() ; - if(fhNEM) - fhNEM->Write() ; - if(fhNBarEM) - fhNBarEM->Write() ; - if(fhChargedEM) - fhChargedEM->Write() ; - if (fhAllPPSD) - fhAllPPSD->Write() ; - if (fhPhotPPSD) - fhPhotPPSD->Write() ; - if(fhNPPSD) - fhNPPSD->Write() ; - if(fhNBarPPSD) - fhNBarPPSD->Write() ; - if(fhChargedPPSD) - fhChargedPPSD->Write() ; - if(fhPrimary) - fhPrimary->Write() ; - if(fhAllRP) - fhAllRP->Write() ; - if(fhVeto) - fhVeto->Write() ; - if(fhShape) - fhShape->Write() ; - if(fhPPSD) - fhPPSD->Write() ; - if(fhPhotPhot) - fhPhotPhot->Write() ; - if(fhPhotElec) - fhPhotElec->Write() ; - if(fhPhotNeuH) - fhPhotNeuH->Write() ; - if(fhPhotNuEM) - fhPhotNuEM->Write() ; - if(fhPhotNuEM) - fhPhotNuEM->Write() ; - if(fhPhotChHa) - fhPhotChHa->Write() ; - if(fhPhotGaHa) - fhPhotGaHa->Write() ; - if(fhEnergyCorrelations) - fhEnergyCorrelations->Write() ; - output.Write(); - output.Close(); -} -//____________________________________________________________________________ -Float_t AliPHOSAnalyze::CorrectEnergy(Float_t ERecPart) -{ - return ERecPart/0.8783 ; -} + //=================== SaveHistograms + cfile->cd() ; + hPrimary->Write(0,kOverwrite); + hAllRP->Write(0,kOverwrite); + hPhot->Write(0,kOverwrite); + hShape->Write(0,kOverwrite); + hVeto->Write(0,kOverwrite); + hPhotReg->Write(0,kOverwrite); + hPhotEM->Write(0,kOverwrite); + hNReg ->Write(0,kOverwrite); + hNEM ->Write(0,kOverwrite); + hNBarReg ->Write(0,kOverwrite); + hNBarEM ->Write(0,kOverwrite); + hChargedReg ->Write(0,kOverwrite); + hChargedEM ->Write(0,kOverwrite); + hPbarReg ->Write(0,kOverwrite); + hPbarEM ->Write(0,kOverwrite); + + cfile->Write(0,kOverwrite); + cfile->Close(); + delete cfile ; + + + //print Final Table + maxevent = (Int_t)gAlice->TreeE()->GetEntries() ; -//____________________________________________________________________________ -void AliPHOSAnalyze::ResetHistograms() -{ - fhEnergyCorrelations = 0 ; //Energy correlations between Eloss in Convertor and PPSD(2) - - fhEmcDigit = 0 ; // Histo of digit energies in the Emc - fhVetoDigit = 0 ; // Histo of digit energies in the Veto - fhConvertorDigit = 0 ; // Histo of digit energies in the Convertor - fhEmcCluster = 0 ; // Histo of Cluster energies in Emc - fhVetoCluster = 0 ; // Histo of Cluster energies in Veto - fhConvertorCluster = 0 ; // Histo of Cluster energies in Convertor - fhConvertorEmc = 0 ; // 2d Convertor versus Emc energies - - fhAllEnergy = 0 ; - fhPhotEnergy = 0 ; // Total spectrum of detected photons - fhEMEnergy = 0 ; // Spectrum of detected electrons with electron primary - fhPPSDEnergy = 0 ; - fhAllPosition = 0 ; - fhPhotPosition = 0 ; - fhEMPosition = 0 ; - fhPPSDPosition = 0 ; - - fhPhotReg = 0 ; - fhAllReg = 0 ; - fhNReg = 0 ; - fhNBarReg = 0 ; - fhChargedReg = 0 ; - fhPhotEM = 0 ; - fhAllEM = 0 ; - fhNEM = 0 ; - fhNBarEM = 0 ; - fhChargedEM = 0 ; - fhPhotPPSD = 0 ; - fhAllPPSD = 0 ; - fhNPPSD = 0 ; - fhNBarPPSD = 0 ; - fhChargedPPSD = 0 ; - - fhPrimary = 0 ; - - fhPhotPhot = 0 ; - fhPhotElec = 0 ; - fhPhotNeuH = 0 ; - fhPhotNuEM = 0 ; - fhPhotChHa = 0 ; - fhPhotGaHa = 0 ; + TString message ; + message = "Resolutions: Analyzed %d event(s)\n" ; + + message += " Primary: Photon Neutron Antineutron Charged hadron AntiProton\n" ; + message += "--------------------------------------------------------------------------------\n" ; + message += " kGAMMA: " ; + message += "%d %d %d %d %d\n" ; + message += " kGAMMAHA: " ; + message += "%d %d %d %d %d\n" ; + message += " kNEUTRALEM: " ; + message += "%d %d %d %d %d\n" ; + message += " kNEUTRALHA: " ; + message += "%d %d %d %d %d\n" ; + message += " kABSURDEM: "; + message += "%d %d %d %d %d\n" ; + message += " kABSURDHA: " ; + message += "%d %d %d %d %d\n" ; + message += " kELECTRON: " ; + message += "%d %d %d %d %d\n" ; + message += " kCHARGEDHA: " ; + message += "%d %d %d %d %d\n" ; + + message += "--------------------------------------------------------------------------------" ; + + Int_t totalInd = 0 ; + for(i1 = 0; i1<8; i1++) + for(i2 = 0; i2<5; i2++) + totalInd+=counter[i1][i2] ; + message += "Indentified particles: %d" ; + + Info("Contamination", message.Data(), maxevent, + counter[2][0], counter[2][1], counter[2][2], counter[2][3], counter[2][4], + counter[3][0], counter[3][1], counter[3][2], counter[3][3], counter[3][4], + counter[0][0], counter[0][1], counter[0][2], counter[0][3], counter[0][4], + counter[1][0], counter[1][1], counter[1][2], counter[1][3], counter[1][4], + counter[4][0], counter[4][1], counter[4][2], counter[4][3], counter[4][4], + counter[5][0], counter[5][1], counter[5][2], counter[5][3], counter[5][4], + counter[6][0], counter[6][1], counter[6][2], counter[6][3], counter[6][4], + counter[7][0], counter[7][1], counter[7][2], counter[7][3], counter[7][4], + totalInd ) ; } + + +