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 // 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
23 // Author: Boris Polichtchouk, 4 October 2006
24 ///////////////////////////////////////////////////////////////////////////////
26 #include "AliPHOSPreprocessor.h"
28 #include "AliCDBMetaData.h"
29 #include "AliPHOSEmcCalibData.h"
36 #include "TObjString.h"
37 #include "AliPHOSEmcBadChannelsMap.h"
39 ClassImp(AliPHOSPreprocessor)
41 //_______________________________________________________________________________________
42 AliPHOSPreprocessor::AliPHOSPreprocessor() :
43 AliPreprocessor("PHS",0)
48 //_______________________________________________________________________________________
49 AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
50 AliPreprocessor("PHS",shuttle)
55 //_______________________________________________________________________________________
56 UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
58 // process data retrieved by the Shuttle
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
64 TString runType = GetRunType();
65 Log(Form("Run type: %s",runType.Data()));
67 gRandom->SetSeed(0); //the seed is set to the current machine clock!
68 AliPHOSEmcCalibData calibData;
69 AliPHOSEmcBadChannelsMap badMap;
71 TList* list = GetFileSources(kDAQ, "AMPLITUDES");
73 Log("Sources list not found, exit.");
81 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
82 AliInfo(Form("found source %s", source->String().Data()));
84 TString fileName = GetFile(kDAQ, "AMPLITUDES", source->GetName());
85 AliInfo(Form("Got filename: %s",fileName.Data()));
90 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
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
102 //Get the reference histogram
103 //(author: Gustavo Conesa Balbastre)
105 TList * keylist = f.GetListOfKeys();
106 Int_t nkeys = f.GetNkeys();
109 TString refHistoName= "";
114 // Check for dead channels
115 if (runType=="LED") {
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);
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);
131 //Store bad channels map
132 AliCDBMetaData badMapMetaData;
133 result = Store("Bad", "EmcData", &badMap, &badMapMetaData);
137 //Check if the file contains any histogram
140 Log(Form("Not enough histograms (%d) for calibration.",nkeys));
145 ikey = gRandom->Integer(nkeys);
146 key = (TKey*)keylist->At(ikey);
147 refHistoName = key->GetName();
148 hRef = (TH1F*)f.Get(refHistoName);
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.");
158 Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
159 hRef->GetName(),hRef->GetEntries(),
160 hRef->GetMean(),hRef->GetRMS()));
162 Double_t refMean=hRef->GetMean();
164 // Calculates relative calibration coefficients for all non-zero channels
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!
173 coeff = histo->GetMean()/refMean;
175 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001/coeff);
177 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001);
178 AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
181 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001);
189 //Store EMC calibration data
191 AliCDBMetaData emcMetaData;
192 result = Store("Calib", "EmcData", &calibData, &emcMetaData);