/***************************************************************** General utility class for doing pp vs multiplicity studies --- Functionality being added on demand. --- Please report any bugs, comments, suggestions to: david.dobrigkeit.chinellato@cern.ch *****************************************************************/ #include "AliVEvent.h" #include "AliESDEvent.h" #include "AliAODEvent.h" #include "AliVVertex.h" #include "AliLog.h" #include "AliAODVertex.h" #include "AliVTrack.h" #include "AliVEvent.h" #include #include #include "AliESDUtils.h" #include "AliPPVsMultUtils.h" #include ClassImp(AliPPVsMultUtils) //______________________________________________________________________ AliPPVsMultUtils::AliPPVsMultUtils():TObject(), fRunNumber(0), fCalibrationLoaded(0), fBoundaryHisto_V0M(0), fBoundaryHisto_V0A(0), fBoundaryHisto_V0C(0), fBoundaryHisto_V0MEq(0), fBoundaryHisto_V0AEq(0), fBoundaryHisto_V0CEq(0) { // Default contructor } //_____________________________________________________________________________ AliPPVsMultUtils::AliPPVsMultUtils(const AliPPVsMultUtils &c) : TObject(c), fRunNumber(0), fCalibrationLoaded(0), fBoundaryHisto_V0M(0), fBoundaryHisto_V0A(0), fBoundaryHisto_V0C(0), fBoundaryHisto_V0MEq(0), fBoundaryHisto_V0AEq(0), fBoundaryHisto_V0CEq(0) { // // copy constructor - untested // ((AliPPVsMultUtils &) c).Copy(*this); } //_____________________________________________________________________________ AliPPVsMultUtils &AliPPVsMultUtils::operator=(const AliPPVsMultUtils &c) { // // Assignment operator - untested // if (this != &c) ((AliPPVsMultUtils &) c).Copy(*this); return *this; } //______________________________________________________________________ Float_t AliPPVsMultUtils::GetMultiplicityPercentile(AliVEvent *event, TString lMethod) // Function to get multiplicity quantiles { Int_t lRequestedRunNumber = event->GetRunNumber(); if( lRequestedRunNumber != fRunNumber ) fCalibrationLoaded = LoadCalibration( lRequestedRunNumber ); if ( !fCalibrationLoaded ){ return -1000; //Return absurd value (hopefully noone will use this...) } Float_t lreturnval = -1; //Get VZERO Information for multiplicity later AliVVZERO* esdV0 = event->GetVZEROData(); if (!esdV0) { AliError("AliVVZERO not available"); return -1; } // VZERO PART Float_t multV0A = 0; // multiplicity from V0 reco side A Float_t multV0C = 0; // multiplicity from V0 reco side C Float_t multV0AEq = 0; // multiplicity from V0 reco side A Float_t multV0CEq = 0; // multiplicity from V0 reco side C Float_t multV0ACorr = 0; // multiplicity from V0 reco side A Float_t multV0CCorr = 0; // multiplicity from V0 reco side C //Non-Equalized Signal: copy of multV0ACorr and multV0CCorr from AliCentralitySelectionTask //Getters for uncorrected multiplicity multV0A=esdV0->GetMTotV0A(); multV0C=esdV0->GetMTotV0C(); //Getting around to the SPD vertex -> typecast to ESD/AOD const AliVVertex *lPrimarySPDVtx = NULL; /* get ESD vertex SPD */ if (event->InheritsFrom("AliESDEvent")) { AliESDEvent *esdevent = dynamic_cast(event); if (!esdevent) return kFALSE; lPrimarySPDVtx = esdevent->GetPrimaryVertexSPD(); } /* get AOD vertex SPD */ else if (event->InheritsFrom("AliAODEvent")) { AliAODEvent *aodevent = dynamic_cast(event); if (!aodevent) return kFALSE; lPrimarySPDVtx = aodevent->GetPrimaryVertexSPD(); } //Get Z vertex position of SPD vertex (why not Tracking if available?) Float_t zvtx = lPrimarySPDVtx->GetZ(); //Acquire Corrected multV0A multV0ACorr = AliESDUtils::GetCorrV0A(multV0A,zvtx); multV0CCorr = AliESDUtils::GetCorrV0C(multV0C,zvtx); // Equalized signals // From AliCentralitySelectionTask // Updated for(Int_t iCh = 32; iCh < 64; ++iCh) { Double_t mult = event->GetVZEROEqMultiplicity(iCh); multV0AEq += mult; } for(Int_t iCh = 0; iCh < 32; ++iCh) { Double_t mult = event->GetVZEROEqMultiplicity(iCh); multV0CEq += mult; } if ( lMethod == "V0M" ) lreturnval = fBoundaryHisto_V0M -> GetBinContent( fBoundaryHisto_V0M->FindBin(multV0ACorr+multV0CCorr) ); if ( lMethod == "V0A" ) lreturnval = fBoundaryHisto_V0A -> GetBinContent( fBoundaryHisto_V0A->FindBin(multV0ACorr) ); if ( lMethod == "V0C" ) lreturnval = fBoundaryHisto_V0C -> GetBinContent( fBoundaryHisto_V0C->FindBin(multV0CCorr) ); //equalized if ( lMethod == "V0MEq" ) lreturnval = fBoundaryHisto_V0MEq -> GetBinContent( fBoundaryHisto_V0MEq->FindBin(multV0AEq+multV0CEq) ); if ( lMethod == "V0AEq" ) lreturnval = fBoundaryHisto_V0AEq -> GetBinContent( fBoundaryHisto_V0AEq->FindBin(multV0AEq) ); if ( lMethod == "V0CEq" ) lreturnval = fBoundaryHisto_V0CEq -> GetBinContent( fBoundaryHisto_V0CEq->FindBin(multV0CEq) ); return lreturnval; } //______________________________________________________________________ Bool_t AliPPVsMultUtils::LoadCalibration(Int_t lLoadThisCalibration) //To be called if starting analysis on a new run { //If Histograms exist, de-allocate to prevent memory leakage if( fBoundaryHisto_V0M ) {fBoundaryHisto_V0M->Delete(); fBoundaryHisto_V0M = 0x0; } if( fBoundaryHisto_V0A ) {fBoundaryHisto_V0A->Delete(); fBoundaryHisto_V0A = 0x0; } if( fBoundaryHisto_V0C ) {fBoundaryHisto_V0C->Delete(); fBoundaryHisto_V0C = 0x0; } if( fBoundaryHisto_V0MEq ) {fBoundaryHisto_V0MEq->Delete(); fBoundaryHisto_V0MEq = 0x0; } if( fBoundaryHisto_V0AEq ) {fBoundaryHisto_V0AEq->Delete(); fBoundaryHisto_V0AEq = 0x0; } if( fBoundaryHisto_V0CEq ) {fBoundaryHisto_V0CEq->Delete(); fBoundaryHisto_V0CEq = 0x0; } AliInfo(Form( "Loading calibration file for run %i",lLoadThisCalibration) ); TFile *lCalibFile_V0M = 0x0; TFile *lCalibFile_V0A = 0x0; TFile *lCalibFile_V0C = 0x0; TFile *lCalibFile_V0MEq = 0x0; TFile *lCalibFile_V0AEq = 0x0; TFile *lCalibFile_V0CEq = 0x0; //AliInfo("Calling TFile::Open"); lCalibFile_V0M = TFile::Open("$ALICE_ROOT/PWGLF/STRANGENESS/Cascades/corrections/calibration_V0M.root"); lCalibFile_V0A = TFile::Open("$ALICE_ROOT/PWGLF/STRANGENESS/Cascades/corrections/calibration_V0A.root"); lCalibFile_V0C = TFile::Open("$ALICE_ROOT/PWGLF/STRANGENESS/Cascades/corrections/calibration_V0C.root"); lCalibFile_V0MEq = TFile::Open("$ALICE_ROOT/PWGLF/STRANGENESS/Cascades/corrections/calibration_V0MEq.root"); lCalibFile_V0AEq = TFile::Open("$ALICE_ROOT/PWGLF/STRANGENESS/Cascades/corrections/calibration_V0AEq.root"); lCalibFile_V0CEq = TFile::Open("$ALICE_ROOT/PWGLF/STRANGENESS/Cascades/corrections/calibration_V0CEq.root"); //AliInfo("Casting"); //check memory consumption later... fBoundaryHisto_V0M = dynamic_cast(lCalibFile_V0M -> Get(Form("histocalib%i",lLoadThisCalibration)) ); fBoundaryHisto_V0A = dynamic_cast(lCalibFile_V0A -> Get(Form("histocalib%i",lLoadThisCalibration)) ); fBoundaryHisto_V0C = dynamic_cast(lCalibFile_V0C -> Get(Form("histocalib%i",lLoadThisCalibration)) ); fBoundaryHisto_V0MEq = dynamic_cast(lCalibFile_V0MEq -> Get(Form("histocalib%i",lLoadThisCalibration)) ); fBoundaryHisto_V0AEq = dynamic_cast(lCalibFile_V0AEq -> Get(Form("histocalib%i",lLoadThisCalibration)) ); fBoundaryHisto_V0CEq = dynamic_cast(lCalibFile_V0CEq -> Get(Form("histocalib%i",lLoadThisCalibration)) ); if ( !fBoundaryHisto_V0M || !fBoundaryHisto_V0A || !fBoundaryHisto_V0C || !fBoundaryHisto_V0MEq || !fBoundaryHisto_V0AEq || !fBoundaryHisto_V0CEq ){ AliInfo(Form("No calibration for run %i exists at the moment!",lLoadThisCalibration)); return kFALSE; //return denial } //Careful with manual cleanup if needed: to be implemented fBoundaryHisto_V0M->SetDirectory(0); fBoundaryHisto_V0A->SetDirectory(0); fBoundaryHisto_V0C->SetDirectory(0); fBoundaryHisto_V0MEq->SetDirectory(0); fBoundaryHisto_V0AEq->SetDirectory(0); fBoundaryHisto_V0CEq->SetDirectory(0); //AliInfo("Closing"); if( lCalibFile_V0M ) lCalibFile_V0M->Close(); if( lCalibFile_V0A ) lCalibFile_V0A->Close(); if( lCalibFile_V0C ) lCalibFile_V0C->Close(); if( lCalibFile_V0MEq ) lCalibFile_V0MEq->Close(); if( lCalibFile_V0AEq ) lCalibFile_V0AEq->Close(); if( lCalibFile_V0CEq ) lCalibFile_V0CEq->Close(); fRunNumber = lLoadThisCalibration; //Loaded! AliInfo(Form("Finished loading calibration for run %i",lLoadThisCalibration)); return kTRUE; }