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[u/mrichter/AliRoot.git] / PHOS / AliPHOSPreprocessor.cxx
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1ab07e55 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 **************************************************************************/
15
16/* $Id$ */
17
18///////////////////////////////////////////////////////////////////////////////
19// PHOS Preprocessor class. It runs by Shuttle at the end of the run,
20// calculates calibration coefficients and dead/bad channels
21// to be posted in OCDB
22//
23// Author: Boris Polichtchouk, 4 October 2006
24///////////////////////////////////////////////////////////////////////////////
25
26#include "AliPHOSPreprocessor.h"
27#include "AliLog.h"
28#include "AliCDBMetaData.h"
29#include "AliPHOSEmcCalibData.h"
30#include "TFile.h"
31#include "TH1.h"
32#include "TMap.h"
33#include "TRandom.h"
f97eb136 34#include "TKey.h"
516e7ab3 35#include "TList.h"
36#include "TObjString.h"
3c0265c1 37#include "AliPHOSEmcBadChannelsMap.h"
1ab07e55 38
39ClassImp(AliPHOSPreprocessor)
40
41//_______________________________________________________________________________________
42AliPHOSPreprocessor::AliPHOSPreprocessor() :
81587b1e 43AliPreprocessor("PHS",0)
1ab07e55 44{
45 //default constructor
46}
47
48//_______________________________________________________________________________________
81587b1e 49AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
50AliPreprocessor("PHS",shuttle)
1ab07e55 51{
52 // Constructor
53}
54
55//_______________________________________________________________________________________
56UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
57{
58 // process data retrieved by the Shuttle
59
60 // The fileName with the histograms which have been produced by
61 // AliPHOSCalibHistoProducer.
62 // It is a responsibility of the SHUTTLE framework to form the fileName
516e7ab3 63
3c0265c1 64 TString runType = GetRunType();
65 Log(Form("Run type: %s",runType.Data()));
66
c1274f4c 67 gRandom->SetSeed(0); //the seed is set to the current machine clock!
516e7ab3 68 AliPHOSEmcCalibData calibData;
3c0265c1 69 AliPHOSEmcBadChannelsMap badMap;
70
516e7ab3 71 TList* list = GetFileSources(kDAQ, "AMPLITUDES");
72 if(!list) {
73 Log("Sources list not found, exit.");
1ab07e55 74 return 0;
75 }
76
516e7ab3 77 TIter iter(list);
78 TObjString *source;
3c0265c1 79 Int_t result=0;
80
516e7ab3 81 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
82 AliInfo(Form("found source %s", source->String().Data()));
f97eb136 83
516e7ab3 84 TString fileName = GetFile(kDAQ, "AMPLITUDES", source->GetName());
85 AliInfo(Form("Got filename: %s",fileName.Data()));
f97eb136 86
516e7ab3 87 TFile f(fileName);
f97eb136 88
516e7ab3 89 if(!f.IsOpen()) {
90 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
91 return 0;
92 }
1ab07e55 93
516e7ab3 94 const Int_t nMod=5; // 1:5 modules
95 const Int_t nCol=56; //1:56 columns in each module
96 const Int_t nRow=64; //1:64 rows in each module
97
98 Double_t coeff;
99 char hnam[80];
100 TH1F* histo=0;
3c0265c1 101
516e7ab3 102 //Get the reference histogram
103 //(author: Gustavo Conesa Balbastre)
104
105 TList * keylist = f.GetListOfKeys();
106 Int_t nkeys = f.GetNkeys();
107 Bool_t ok = kFALSE;
108 TKey *key;
109 TString refHistoName= "";
110 Int_t ikey = 0;
111 Int_t counter = 0;
112 TH1F* hRef = 0;
113
3c0265c1 114 // Check for dead channels
115 if (runType=="LED") {
116
117 Log(Form("Begin check for dead channels."));
118 for(Int_t mod=0; mod<nMod; mod++) {
119 for(Int_t col=0; col<nCol; col++) {
120 for(Int_t row=0; row<nRow; row++) {
121 sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
122 histo = (TH1F*)f.Get(hnam);
123 if(histo)
124 if (histo->GetMean()<1) {
125 Log(Form("Channel: [%d,%d,%d] seems dead, <E>=%.1f.",mod,col,row,histo->GetMean()));
126 badMap.SetBadChannel(mod,col,row);
127 }
128 }
129 }
130 }
131 //Store bad channels map
132 AliCDBMetaData badMapMetaData;
133 result = Store("Bad", "EmcData", &badMap, &badMapMetaData);
134 return result;
135 }
136
516e7ab3 137 //Check if the file contains any histogram
138
139 if(nkeys< 2){
140 Log(Form("Not enough histograms (%d) for calibration.",nkeys));
4988b8ce 141 return 1;
f97eb136 142 }
f97eb136 143
516e7ab3 144 while(!ok){
145 ikey = gRandom->Integer(nkeys);
146 key = (TKey*)keylist->At(ikey);
147 refHistoName = key->GetName();
148 hRef = (TH1F*)f.Get(refHistoName);
149 counter++;
150 // Check if the reference histogram has too little statistics
151 if(hRef->GetEntries()>2) ok=kTRUE;
152 if(!ok && counter >= nMod*nCol*nRow){
153 Log("No histogram with enough statistics for reference.");
154 return 1;
155 }
156 }
3c0265c1 157
516e7ab3 158 Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
159 hRef->GetName(),hRef->GetEntries(),
160 hRef->GetMean(),hRef->GetRMS()));
161
162 Double_t refMean=hRef->GetMean();
3c0265c1 163
516e7ab3 164 // Calculates relative calibration coefficients for all non-zero channels
3c0265c1 165
516e7ab3 166 for(Int_t mod=0; mod<nMod; mod++) {
167 for(Int_t col=0; col<nCol; col++) {
168 for(Int_t row=0; row<nRow; row++) {
169 sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
170 histo = (TH1F*)f.Get(hnam);
171 //TODO: dead channels exclusion!
172 if(histo) {
173 coeff = histo->GetMean()/refMean;
64d8f3f1 174 if(coeff>0)
175 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001/coeff);
176 else
177 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001);
516e7ab3 178 AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
179 }
180 else
181 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001);
1ab07e55 182 }
1ab07e55 183 }
184 }
516e7ab3 185
186 f.Close();
1ab07e55 187 }
516e7ab3 188
3c0265c1 189 //Store EMC calibration data
190
191 AliCDBMetaData emcMetaData;
192 result = Store("Calib", "EmcData", &calibData, &emcMetaData);
1ab07e55 193 return result;
194
195}