+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-//------------------------------
-// Analysis task for quality-assurance
-// of forward detectors ESD
-//
-// 12/06/2009 cvetan.cheshkov@cern.ch
-//------------------------------
-
-#include "TChain.h"
-#include "TROOT.h"
-#include "TFile.h"
-#include "TH1F.h"
-#include "TH2F.h"
-#include "TF1.h"
-#include "TCanvas.h"
-#include "TVector3.h"
-#include "TParticle.h"
-#include "AliVParticle.h"
-#include "AliMCParticle.h"
-#include "AliESDEvent.h"
-#include "AliESDv0.h"
-#include "AliESDcascade.h"
-#include "AliESDMuonTrack.h"
-#include "AliESDCaloCluster.h"
-#include "AliRun.h"
-#include "AliMCEvent.h"
-#include "AliStack.h"
-#include "AliGenEventHeader.h"
-#include "AliPID.h"
-#include "AliESDVZERO.h"
-
-#include "AliAnaFwdDetsQA.h"
-
-ClassImp(AliAnaFwdDetsQA)
-
-AliAnaFwdDetsQA::AliAnaFwdDetsQA():
-AliAnalysisTaskSE("AliAnaFwdDetsQA"),
- fListOfHistos(0),
- fT0vtxRec(0),
- fT0vtxRecGen(0),
- fT0time(0),
- fT0time2(0),
- fT0mult(0),
- fT0vtxRes(0),
- fT0ampl(0),
- fV0a(0),
- fV0c(0),
- fV0multA(0),
- fV0multC(0),
- fV0multAcorr(0),
- fV0multCcorr(0),
- fV0Acorr(0),
- fV0Ccorr(0),
- fV0ampl(0)
-{
- // Default constructor
- // Define input and output slots here
- // Input slot #0 works with a TChain
- DefineInput(0, TChain::Class());
- // Output slot #1 TList
- DefineOutput(1, TList::Class());
-}
-
-AliAnaFwdDetsQA::AliAnaFwdDetsQA(const char* name):
-AliAnalysisTaskSE(name),
- fListOfHistos(0),
- fT0vtxRec(0),
- fT0vtxRecGen(0),
- fT0time(0),
- fT0time2(0),
- fT0mult(0),
- fT0vtxRes(0),
- fT0ampl(0),
- fV0a(0),
- fV0c(0),
- fV0multA(0),
- fV0multC(0),
- fV0multAcorr(0),
- fV0multCcorr(0),
- fV0Acorr(0),
- fV0Ccorr(0),
- fV0ampl(0)
-{
- // Constructor
- // Define input and output slots here
- // Input slot #0 works with a TChain
- AliInfo("Constructor AliAnaFwdDetsQA");
- DefineInput(0, TChain::Class());
- // Output slot #1 TList
- DefineOutput(1, TList::Class());
-}
-
-TH1F * AliAnaFwdDetsQA::CreateHisto(const char* name, const char* title,Int_t nBins,
- Double_t xMin, Double_t xMax,
- const char* xLabel, const char* yLabel)
-{
- // helper method which can be used
- // in order to create a histogram
- TH1F* result = new TH1F(name, title, nBins, xMin, xMax);
- result->SetOption("E");
- if (xLabel) result->GetXaxis()->SetTitle(xLabel);
- if (yLabel) result->GetYaxis()->SetTitle(yLabel);
- result->SetMarkerStyle(kFullCircle);
- return result;
-}
-
-TH1F *AliAnaFwdDetsQA::CreateEffHisto(const TH1F* hGen, const TH1F* hRec)
-{
- // helper method which can be used
- // in order create an efficiency histogram
- Int_t nBins = hGen->GetNbinsX();
- TH1F* hEff = (TH1F*) hGen->Clone("hEff");
- hEff->SetTitle("");
- hEff->SetStats(kFALSE);
- hEff->SetMinimum(0.);
- hEff->SetMaximum(110.);
- hEff->GetYaxis()->SetTitle("#epsilon [%]");
-
- for (Int_t iBin = 0; iBin <= nBins; iBin++) {
- Double_t nGenEff = hGen->GetBinContent(iBin);
- Double_t nRecEff = hRec->GetBinContent(iBin);
- if (nGenEff > 0) {
- Double_t eff = nRecEff/nGenEff;
- hEff->SetBinContent(iBin, 100. * eff);
- Double_t error = sqrt(eff*(1.-eff) / nGenEff);
- if (error < 1e-12) error = 0.0001;
- hEff->SetBinError(iBin, 100. * error);
- }
- else {
- hEff->SetBinContent(iBin, -100.);
- hEff->SetBinError(iBin, 0);
- }
- }
- return hEff;
-}
-
-
-Bool_t AliAnaFwdDetsQA::FitHisto(TH1* histo, Double_t& res, Double_t& resError)
-{
- // fit a gaussian to
- // a histogram
- static TF1* fitFunc = new TF1("fitFunc", "gaus");
- fitFunc->SetLineWidth(2);
- fitFunc->SetFillStyle(0);
- Double_t maxFitRange = 2;
-
- if (histo->Integral() > 50) {
- Float_t mean = histo->GetMean();
- Float_t rms = histo->GetRMS();
- fitFunc->SetRange(mean - maxFitRange*rms, mean + maxFitRange*rms);
- fitFunc->SetParameters(mean, rms);
- histo->Fit(fitFunc, "QRI0");
- histo->GetFunction("fitFunc")->ResetBit(1<<9);
- res = TMath::Abs(fitFunc->GetParameter(2));
- resError = TMath::Abs(fitFunc->GetParError(2));
- return kTRUE;
- }
- return kFALSE;
-}
-
-void AliAnaFwdDetsQA::UserCreateOutputObjects()
-{
- // Create histograms
- // Create output container
- AliInfo("AliAnaFwdDetsQA::UserCreateOutputObjects");
- fListOfHistos = new TList();
-
- fT0vtxRec = CreateHisto("hT0vtxRec", "Z vertex reconstructed with T0", 100, -25, 25, "Z_{vtx} [cm]", "");
- fT0time = CreateHisto("hT0time", "Time0 reconstruction with T0", 5000, 10000, 20000, "t_{0} [ps]", "");
- fT0time2 = CreateHisto("hT0time2", "Time0 reconstruction with T0 (mult > 10)", 5000, 10000, 20000, "t_{0} [ps]", "");
- fT0mult = CreateHisto("hT0mult", "Total reconstructed multiplicity in T0", 100, -0.5, 99.5, "Multiplicity", "");
- fT0vtxRes = CreateHisto("hT0vtxRes", "T0 Z vertex resolution", 100, -25, 25, "Delta(Z_{vtx}) [cm]", "");
- fT0ampl = CreateHisto("hT0ampl","T0 multiplicity in single channel (all T0 channels)",400,-0.5,99.5);
-
- fT0vtxRecGen = new TH2F("hT0vtxRecGen", "T0 reconstructed vs generated Z vertex", 100, -25, 25, 100, -25, 25);
- fT0vtxRecGen->GetXaxis()->SetTitle("Generated Z vertex");
- fT0vtxRecGen->GetYaxis()->SetTitle("Reconstructed Z vertex");
- fT0vtxRecGen->SetMarkerStyle(kFullCircle);
- fT0vtxRecGen->SetMarkerSize(0.4);
-
- fV0a = CreateHisto("hV0a","Number of fired PMTs (V0A)",65,-0.5,64.5);
- fV0c = CreateHisto("hV0c","Number of fired PMTs (V0C)",65,-0.5,64.5);
- fV0multA = CreateHisto("hV0multA","Total reconstructed multiplicity (V0A)",100,0.,1000.);
- fV0multC = CreateHisto("hV0multC","Total reconstructed multiplicity (V0C)",100,0.,1000.);
- fV0ampl = CreateHisto("hV0ampl","V0 multiplicity in single channel (all V0 channels)",400,-0.5,99.5);
-
- fV0multAcorr = new TH2F("hV0multAcorr", "Reconstructed vs generated (primaries only) multiplicity (V0A)",100,0.,500.,100,0.,1000.);
- fV0multAcorr->GetXaxis()->SetTitle("# of primaries in V0A acceptance");
- fV0multAcorr->GetYaxis()->SetTitle("Reconstructed mutiplicity in V0A");
- fV0multCcorr = new TH2F("hV0multCcorr", "Reconstructed vs generated (primaries only) multiplicity (V0C)",100,0.,500.,100,0.,1000.);
- fV0multCcorr->GetXaxis()->SetTitle("# of primaries in V0C acceptance");
- fV0multCcorr->GetYaxis()->SetTitle("Reconstructed mutiplicity in V0C");
-
- fV0Acorr = new TH2F("hV0Acorr", "Number of fired PMTs vs generated (primaries only) multiplicity (V0A)",100,0.,500.,65,-0.5,64.5);
- fV0Acorr->GetXaxis()->SetTitle("# of primaries in V0A acceptance");
- fV0Acorr->GetYaxis()->SetTitle("Number of fired PMTs in V0A");
- fV0Ccorr = new TH2F("hV0Ccorr", "Number of fired PMTs vs generated (primaries only) multiplicity (V0C)",100,0.,500.,65,-0.5,64.5);
- fV0Ccorr->GetXaxis()->SetTitle("# of primaries in V0C acceptance");
- fV0Ccorr->GetYaxis()->SetTitle("Number of fired PMTs in V0C");
-
- fListOfHistos->Add(fT0vtxRec);
- fListOfHistos->Add(fT0time);
- fListOfHistos->Add(fT0mult);
- fListOfHistos->Add(fT0vtxRecGen);
- fListOfHistos->Add(fT0vtxRes);
- fListOfHistos->Add(fV0a);
- fListOfHistos->Add(fV0c);
- fListOfHistos->Add(fV0multA);
- fListOfHistos->Add(fV0multC);
- fListOfHistos->Add(fV0multAcorr);
- fListOfHistos->Add(fV0multCcorr);
- fListOfHistos->Add(fV0Acorr);
- fListOfHistos->Add(fV0Ccorr);
- fListOfHistos->Add(fT0ampl);
- fListOfHistos->Add(fV0ampl);
- fListOfHistos->Add(fT0time2);
-}
-
-void AliAnaFwdDetsQA::UserExec(Option_t */*option*/)
-{
- // The analysis code
- // goes here
- AliMCEvent* mcEvent = MCEvent();
- if (!mcEvent) {
- Printf("ERROR: Could not retrieve MC event");
- return;
- }
-
- //Primary vertex needed
- TArrayF mcvtx(3);
- mcEvent->GenEventHeader()->PrimaryVertex(mcvtx);
-
- AliStack *stack = mcEvent->Stack();
- if (!stack) {
- Printf("ERROR: Could not retrieve MC stack");
- return;
- }
-
- Int_t nV0A = 0;
- Int_t nV0C = 0;
- for (Int_t iTracks = 0; iTracks < mcEvent->GetNumberOfTracks(); iTracks++) {//Check this loop again
- if (!stack->IsPhysicalPrimary(iTracks)) continue;
- AliMCParticle* track = (AliMCParticle*)mcEvent->GetTrack(iTracks);
- TParticle* particle = track->Particle();
- if (!particle) continue;
- if (track->Charge() == 0) continue;
- Double_t eta = particle->Eta();
- if (eta > 2.8 && eta < 5.1) {
- nV0A++;
- }
- if (eta > -3.7 && eta < -1.7) {
- nV0C++;
- }
- }
-
- // ESD information
- AliVEvent* event = InputEvent();
- if (!event) {
- Printf("ERROR: Could not retrieve event");
- return;
- }
-
- AliESDEvent* esd = dynamic_cast<AliESDEvent*>(event);
- if (!esd) {
- Printf("ERROR: Could not retrieve esd");
- return;
- }
- const AliESDTZERO* esdT0 = esd->GetESDTZERO();
- Double_t t0zvtx = esdT0->GetT0zVertex();
- Double_t t0time = esdT0->GetT0();
-
- fT0vtxRec->Fill(t0zvtx);
- fT0time->Fill(t0time);
- fT0vtxRecGen->Fill(mcvtx[2],t0zvtx);
- t0zvtx *= -1.0;
- fT0vtxRes->Fill(t0zvtx - mcvtx[2]);
-
- Double_t t0mult = 0;
- for(Int_t i = 0; i < 24; i++) {
- t0mult += esdT0->GetT0amplitude()[i];
- fT0ampl->Fill(esdT0->GetT0amplitude()[i]);
- }
-
- fT0mult->Fill(t0mult);
- if (t0mult > 10)
- fT0time2->Fill(t0time);
-
- AliESDVZERO* esdV0 = esd->GetVZEROData();
- fV0a->Fill(esdV0->GetNbPMV0A());
- fV0c->Fill(esdV0->GetNbPMV0C());
- fV0multA->Fill(esdV0->GetMTotV0A());
- fV0multC->Fill(esdV0->GetMTotV0C());
-
- fV0multAcorr->Fill((Float_t)nV0A,esdV0->GetMTotV0A());
- fV0multCcorr->Fill((Float_t)nV0C,esdV0->GetMTotV0C());
- fV0Acorr->Fill((Float_t)nV0A,(Float_t)esdV0->GetNbPMV0A());
- fV0Ccorr->Fill((Float_t)nV0C,(Float_t)esdV0->GetNbPMV0C());
-
- for(Int_t i = 0; i < 64; i++) {
- fV0ampl->Fill(esdV0->GetMultiplicity(i));
- }
- // Post output data.
- PostData(1, fListOfHistos);
-}
-
-void AliAnaFwdDetsQA::Terminate(Option_t *)
-{
- // Terminate
- // Store the output histos
- fListOfHistos = dynamic_cast<TList*>(GetOutputData(1));
- if (!fListOfHistos) {
- Printf("ERROR: fListOfHistos not available");
- return;
- }
-
- //delete esd;
- Info("AliAnaFwdDetsQA", "Successfully finished");
-}
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git://git.uio.no / u / mrichter / AliRoot.git / blobdiff