New method to clone current raw-data event and create a single-event raw-reader....
[u/mrichter/AliRoot.git] / ESDCheck / AliT0QATask.cxx
CommitLineData
1dfe075f 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
0b28fd57 15
16/* $Id$ */
17
1dfe075f 18//______________________________________________________________________________
19// An analysis task to check the T0 data in simulated data
20//
21//*-- Alla Maevskaya
22//////////////////////////////////////////////////////////////////////////////
23
0b28fd57 24#include <TCanvas.h>
1dfe075f 25#include <TChain.h>
0b28fd57 26#include <TFile.h>
1dfe075f 27#include <TH1F.h>
1dfe075f 28#include <TLegend.h>
0b28fd57 29#include <TROOT.h>
1f588058 30#include <TString.h>
1dfe075f 31
32#include "AliT0QATask.h"
33#include "AliESD.h"
34#include "AliLog.h"
35#include "AliESDVertex.h"
36
37//______________________________________________________________________________
38AliT0QATask::AliT0QATask(const char *name) :
39 AliAnalysisTask(name,""),
40 fChain(0),
41 fESD(0),
5effd3c6 42 fOutputContainer(0),
1dfe075f 43 fhT01(0),
44 fhT02(0),
45 fhT03(0)
46{
47 // Constructor.
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()) ;
52}
53
54//______________________________________________________________________________
55AliT0QATask::~AliT0QATask()
56{
57 // dtor
58 fOutputContainer->Clear() ;
59 delete fOutputContainer ;
60
61 delete fhT01 ;
62 delete fhT02 ;
63 delete fhT03 ;
64}
65
66//______________________________________________________________________________
c52c2132 67void AliT0QATask::ConnectInputData(const Option_t*)
1dfe075f 68{
69 // Initialisation of branch container and histograms
70
71 AliInfo(Form("*** Initialization of %s", GetName())) ;
72
73 // Get input data
74 fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
75 if (!fChain) {
76 AliError(Form("Input 0 for %s not found\n", GetName()));
77 return ;
78 }
79
c52c2132 80 // One should first check if the branch address was taken by some other task
81 char ** address = (char **)GetBranchAddress(0, "ESD");
82 if (address) {
83 fESD = (AliESD*)(*address);
84 } else {
85 fESD = new AliESD();
86 SetBranchAddress(0, "ESD", &fESD);
1dfe075f 87 }
c52c2132 88}
1dfe075f 89
c52c2132 90//________________________________________________________________________
91void AliT0QATask::CreateOutputObjects()
92{
93 // create histograms
1e20f195 94
95 OpenFile(0) ;
96
1dfe075f 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);
100
101
102 // create output container
103
104 fOutputContainer = new TObjArray(3) ;
105 fOutputContainer->SetName(GetName()) ;
106
107 fOutputContainer->AddAt(fhT01, 0) ;
108 fOutputContainer->AddAt(fhT02, 1) ;
109 fOutputContainer->AddAt(fhT03, 2) ;
110}
111
112//______________________________________________________________________________
113void AliT0QATask::Exec(Option_t *)
114{
115 // Processing of one event
116
117 Long64_t entry = fChain->GetReadEntry() ;
118
119 if (!fESD) {
120 AliError("fESD is not connected to the input!") ;
121 return ;
122 }
123
124 if ( !((entry-1)%100) )
125 AliInfo(Form("%s ----> Processing event # %lld", (dynamic_cast<TChain *>(fChain))->GetFile()->GetName(), entry)) ;
126
127 // ************************ T0 *************************************
128
129 const AliESDVertex * vertex = fESD->GetPrimaryVertex() ;
130 Double_t posZ = vertex->GetZv() ;
131 fhT01->Fill( posZ ) ;
132
133 fhT02->Fill( fESD->GetT0() ) ;
134
135 fhT03->Fill( fESD->GetT0zVertex() / 2. ) ;
136
137 PostData(0, fOutputContainer);
138
139}
140
141//______________________________________________________________________________
142void AliT0QATask::Terminate(Option_t *)
143{
144 // Processing when the event loop is ended
c52c2132 145 fOutputContainer = (TObjArray*)GetOutputData(0);
146 fhT01 = (TH1F*)fOutputContainer->At(0);
147 fhT02 = (TH1F*)fOutputContainer->At(1);
148 fhT03 = (TH1F*)fOutputContainer->At(2);
149
2704006a 150 Bool_t problem = kFALSE ;
84eb42a1 151 AliInfo(Form(" *** %s Report:", GetName())) ;
152
1dfe075f 153 Float_t mean = fhT02->GetMean();
154
155 printf ("mean time T0 ps %f\n", mean) ;
156
2704006a 157 if ( mean > 12600 || mean < 12400 ) {
1dfe075f 158 AliWarning (" !!!!!!!!!!-----events sample is WRONG - T0 unreal -------");
2704006a 159 problem = kTRUE ;
160 }
1dfe075f 161 TCanvas * cTO1 = new TCanvas("cT01", "T0 ESD Test", 400, 10, 600, 700) ;
162 cTO1->Divide(2, 2) ;
163
164 cTO1->cd(1) ;
165 fhT01->Draw() ;
166
167 cTO1->cd(2) ;
168 fhT02->Draw() ;
169
170 cTO1->cd(3) ;
171 fhT03->Draw() ;
172
173
174 cTO1->Print("T0.eps");
175
176 char line[1024] ;
84eb42a1 177 sprintf(line, ".!tar -zcf %s.tar.gz *.eps", GetName()) ;
1dfe075f 178 gROOT->ProcessLine(line);
179 sprintf(line, ".!rm -fR *.eps");
180 gROOT->ProcessLine(line);
181
2704006a 182 AliInfo(Form("!!! All the eps files are in %s.tar.gz !!!", GetName())) ;
183
1f588058 184 TString report ;
2704006a 185 if(problem)
186 report="Problems found, please check!!!";
187 else
188 report="OK";
189
1f588058 190 AliInfo(Form("*** %s Summary Report: %s\n",GetName(), report.Data())) ;
1dfe075f 191}