1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //______________________________________________________________________________
19 // An analysis task to check the T0 data in simulated data
22 //////////////////////////////////////////////////////////////////////////////
32 #include "AliT0QATask.h"
35 #include "AliESDVertex.h"
37 //______________________________________________________________________________
38 AliT0QATask::AliT0QATask(const char *name) :
39 AliAnalysisTask(name,""),
48 // Input slot #0 works with an Ntuple
49 DefineInput(0, TChain::Class());
50 // Output slot #0 writes into a TH1 container
51 DefineOutput(0, TObjArray::Class()) ;
54 //______________________________________________________________________________
55 AliT0QATask::~AliT0QATask()
58 fOutputContainer->Clear() ;
59 delete fOutputContainer ;
66 //______________________________________________________________________________
67 void AliT0QATask::ConnectInputData(const Option_t*)
69 // Initialisation of branch container and histograms
71 AliInfo(Form("*** Initialization of %s", GetName())) ;
74 fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
76 AliError(Form("Input 0 for %s not found\n", GetName()));
80 // One should first check if the branch address was taken by some other task
81 char ** address = (char **)GetBranchAddress(0, "ESD");
83 fESD = (AliESD*)(*address);
86 SetBranchAddress(0, "ESD", &fESD);
90 //________________________________________________________________________
91 void AliT0QATask::CreateOutputObjects()
97 fhT01 = new TH1F("hRealVertex", "Primary vertex", 100, -20, 20);
98 fhT02 = new TH1F("hT0start", "T0 start time", 100, 12400, 12600);
99 fhT03 = new TH1F("hT0vertex", "T0vertex", 100, -20, 20);
102 // create output container
104 fOutputContainer = new TObjArray(3) ;
105 fOutputContainer->SetName(GetName()) ;
107 fOutputContainer->AddAt(fhT01, 0) ;
108 fOutputContainer->AddAt(fhT02, 1) ;
109 fOutputContainer->AddAt(fhT03, 2) ;
112 //______________________________________________________________________________
113 void AliT0QATask::Exec(Option_t *)
115 // Processing of one event
117 Long64_t entry = fChain->GetReadEntry() ;
120 AliError("fESD is not connected to the input!") ;
124 if ( !((entry-1)%100) )
125 AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ;
127 // ************************ T0 *************************************
129 const AliESDVertex * vertex = fESD->GetPrimaryVertex() ;
130 Double_t posZ = vertex->GetZv() ;
131 fhT01->Fill( posZ ) ;
133 fhT02->Fill( fESD->GetT0() ) ;
135 fhT03->Fill( fESD->GetT0zVertex() / 2. ) ;
137 PostData(0, fOutputContainer);
141 //______________________________________________________________________________
142 void AliT0QATask::Terminate(Option_t *)
144 // Processing when the event loop is ended
145 fOutputContainer = (TObjArray*)GetOutputData(0);
146 fhT01 = (TH1F*)fOutputContainer->At(0);
147 fhT02 = (TH1F*)fOutputContainer->At(1);
148 fhT03 = (TH1F*)fOutputContainer->At(2);
150 Bool_t problem = kFALSE ;
151 AliInfo(Form(" *** %s Report:", GetName())) ;
153 Float_t mean = fhT02->GetMean();
155 printf ("mean time T0 ps %f\n", mean) ;
157 if ( mean > 12600 || mean < 12400 ) {
158 AliWarning (" !!!!!!!!!!-----events sample is WRONG - T0 unreal -------");
161 TCanvas * cTO1 = new TCanvas("cT01", "T0 ESD Test", 400, 10, 600, 700) ;
174 cTO1->Print("T0.eps");
177 sprintf(line, ".!tar -zcf %s.tar.gz *.eps", GetName()) ;
178 gROOT->ProcessLine(line);
179 sprintf(line, ".!rm -fR *.eps");
180 gROOT->ProcessLine(line);
182 AliInfo(Form("!!! All the eps files are in %s.tar.gz !!!", GetName())) ;
186 report="Problems found, please check!!!";
190 AliInfo(Form("*** %s Summary Report: %s\n",GetName(), report.Data())) ;