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 //////////////////////////////////////////////////////////////////////////////
31 #include "AliT0QATask.h"
34 #include "AliESDVertex.h"
36 //______________________________________________________________________________
37 AliT0QATask::AliT0QATask(const char *name) :
38 AliAnalysisTask(name,""),
46 // Input slot #0 works with an Ntuple
47 DefineInput(0, TChain::Class());
48 // Output slot #0 writes into a TH1 container
49 DefineOutput(0, TObjArray::Class()) ;
52 //______________________________________________________________________________
53 AliT0QATask::~AliT0QATask()
56 fOutputContainer->Clear() ;
57 delete fOutputContainer ;
64 //______________________________________________________________________________
65 void AliT0QATask::ConnectInputData(const Option_t*)
67 // Initialisation of branch container and histograms
69 AliInfo(Form("*** Initialization of %s", GetName())) ;
72 fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
74 AliError(Form("Input 0 for %s not found\n", GetName()));
78 // One should first check if the branch address was taken by some other task
79 char ** address = (char **)GetBranchAddress(0, "ESD");
81 fESD = (AliESD*)(*address);
84 SetBranchAddress(0, "ESD", &fESD);
88 //________________________________________________________________________
89 void AliT0QATask::CreateOutputObjects()
92 fhT01 = new TH1F("hRealVertex", "Primary vertex", 100, -20, 20);
93 fhT02 = new TH1F("hT0start", "T0 start time", 100, 12400, 12600);
94 fhT03 = new TH1F("hT0vertex", "T0vertex", 100, -20, 20);
97 // create output container
99 fOutputContainer = new TObjArray(3) ;
100 fOutputContainer->SetName(GetName()) ;
102 fOutputContainer->AddAt(fhT01, 0) ;
103 fOutputContainer->AddAt(fhT02, 1) ;
104 fOutputContainer->AddAt(fhT03, 2) ;
107 //______________________________________________________________________________
108 void AliT0QATask::Exec(Option_t *)
110 // Processing of one event
112 Long64_t entry = fChain->GetReadEntry() ;
115 AliError("fESD is not connected to the input!") ;
119 if ( !((entry-1)%100) )
120 AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ;
122 // ************************ T0 *************************************
124 const AliESDVertex * vertex = fESD->GetPrimaryVertex() ;
125 Double_t posZ = vertex->GetZv() ;
126 fhT01->Fill( posZ ) ;
128 fhT02->Fill( fESD->GetT0() ) ;
130 fhT03->Fill( fESD->GetT0zVertex() / 2. ) ;
132 PostData(0, fOutputContainer);
136 //______________________________________________________________________________
137 void AliT0QATask::Terminate(Option_t *)
139 // Processing when the event loop is ended
140 fOutputContainer = (TObjArray*)GetOutputData(0);
141 fhT01 = (TH1F*)fOutputContainer->At(0);
142 fhT02 = (TH1F*)fOutputContainer->At(1);
143 fhT03 = (TH1F*)fOutputContainer->At(2);
145 Float_t mean = fhT02->GetMean();
147 printf ("mean time T0 ps %f\n", mean) ;
149 if ( mean > 12600 || mean < 12400 )
150 AliWarning (" !!!!!!!!!!-----events sample is WRONG - T0 unreal -------");
152 TCanvas * cTO1 = new TCanvas("cT01", "T0 ESD Test", 400, 10, 600, 700) ;
165 cTO1->Print("T0.eps");
168 sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ;
169 gROOT->ProcessLine(line);
170 sprintf(line, ".!rm -fR *.eps");
171 gROOT->ProcessLine(line);
173 AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ;