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"
38 ClassImp(AliPHOSPreprocessor)
40 //_______________________________________________________________________________________
41 AliPHOSPreprocessor::AliPHOSPreprocessor() :
42 AliPreprocessor("PHS",0)
47 //_______________________________________________________________________________________
48 AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
49 AliPreprocessor("PHS",shuttle)
54 //_______________________________________________________________________________________
55 UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
57 // process data retrieved by the Shuttle
59 // The fileName with the histograms which have been produced by
60 // AliPHOSCalibHistoProducer.
61 // It is a responsibility of the SHUTTLE framework to form the fileName
63 gRandom->SetSeed(0); //the seed is set to the current machine clock!
64 AliPHOSEmcCalibData calibData;
66 TList* list = GetFileSources(kDAQ, "AMPLITUDES");
68 Log("Sources list not found, exit.");
75 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
76 AliInfo(Form("found source %s", source->String().Data()));
78 TString fileName = GetFile(kDAQ, "AMPLITUDES", source->GetName());
79 AliInfo(Form("Got filename: %s",fileName.Data()));
84 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
88 const Int_t nMod=5; // 1:5 modules
89 const Int_t nCol=56; //1:56 columns in each module
90 const Int_t nRow=64; //1:64 rows in each module
96 //Get the reference histogram
97 //(author: Gustavo Conesa Balbastre)
99 TList * keylist = f.GetListOfKeys();
100 Int_t nkeys = f.GetNkeys();
103 TString refHistoName= "";
108 //Check if the file contains any histogram
111 Log(Form("Not enough histograms (%d) for calibration.",nkeys));
116 ikey = gRandom->Integer(nkeys);
117 key = (TKey*)keylist->At(ikey);
118 refHistoName = key->GetName();
119 hRef = (TH1F*)f.Get(refHistoName);
121 // Check if the reference histogram has too little statistics
122 if(hRef->GetEntries()>2) ok=kTRUE;
123 if(!ok && counter >= nMod*nCol*nRow){
124 Log("No histogram with enough statistics for reference.");
129 Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
130 hRef->GetName(),hRef->GetEntries(),
131 hRef->GetMean(),hRef->GetRMS()));
133 Double_t refMean=hRef->GetMean();
135 // Calculates relative calibration coefficients for all non-zero channels
137 for(Int_t mod=0; mod<nMod; mod++) {
138 for(Int_t col=0; col<nCol; col++) {
139 for(Int_t row=0; row<nRow; row++) {
140 sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
141 histo = (TH1F*)f.Get(hnam);
142 //TODO: dead channels exclusion!
144 coeff = histo->GetMean()/refMean;
145 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001/coeff);
146 AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
149 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001);
157 AliCDBMetaData metaData;
158 Int_t result = Store("Calib", "EmcData", &calibData, &metaData);