fixed compiler problem
[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>
1dfe075f 30
31#include "AliT0QATask.h"
32#include "AliESD.h"
33#include "AliLog.h"
34#include "AliESDVertex.h"
35
36//______________________________________________________________________________
37AliT0QATask::AliT0QATask(const char *name) :
38 AliAnalysisTask(name,""),
39 fChain(0),
40 fESD(0),
41 fhT01(0),
42 fhT02(0),
43 fhT03(0)
44{
45 // Constructor.
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()) ;
50}
51
52//______________________________________________________________________________
53AliT0QATask::~AliT0QATask()
54{
55 // dtor
56 fOutputContainer->Clear() ;
57 delete fOutputContainer ;
58
59 delete fhT01 ;
60 delete fhT02 ;
61 delete fhT03 ;
62}
63
64//______________________________________________________________________________
65void AliT0QATask::Init(const Option_t*)
66{
67 // Initialisation of branch container and histograms
68
69 AliInfo(Form("*** Initialization of %s", GetName())) ;
70
71 // Get input data
72 fChain = dynamic_cast<TChain *>(GetInputData(0)) ;
73 if (!fChain) {
74 AliError(Form("Input 0 for %s not found\n", GetName()));
75 return ;
76 }
77
78 if (!fESD) {
79 // One should first check if the branch address was taken by some other task
80 char ** address = (char **)GetBranchAddress(0, "ESD") ;
81 if (address)
82 fESD = (AliESD *)(*address) ;
83 if (!fESD)
84 fChain->SetBranchAddress("ESD", &fESD) ;
85 }
86 // The output objects will be written to
87 TDirectory * cdir = gDirectory ;
88 // Open a file for output #0
89 char outputName[1024] ;
90 sprintf(outputName, "%s.root", GetName() ) ;
91 OpenFile(0, outputName , "RECREATE") ;
92 if (cdir)
93 cdir->cd() ;
94
95 // create histograms
96
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
145
146 Float_t mean = fhT02->GetMean();
147
148 printf ("mean time T0 ps %f\n", mean) ;
149
150 if ( mean > 12600 || mean < 12400 )
151 AliWarning (" !!!!!!!!!!-----events sample is WRONG - T0 unreal -------");
152
153 TCanvas * cTO1 = new TCanvas("cT01", "T0 ESD Test", 400, 10, 600, 700) ;
154 cTO1->Divide(2, 2) ;
155
156 cTO1->cd(1) ;
157 fhT01->Draw() ;
158
159 cTO1->cd(2) ;
160 fhT02->Draw() ;
161
162 cTO1->cd(3) ;
163 fhT03->Draw() ;
164
165
166 cTO1->Print("T0.eps");
167
168 char line[1024] ;
169 sprintf(line, ".!tar -zcvf %s.tar.gz *.eps", GetName()) ;
170 gROOT->ProcessLine(line);
171 sprintf(line, ".!rm -fR *.eps");
172 gROOT->ProcessLine(line);
173
174 AliInfo(Form("!!! All the eps files are in %s.tar.gz !!! \n", GetName())) ;
175}