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 ClassImp(AliPHOSPreprocessor)
38 //_______________________________________________________________________________________
39 AliPHOSPreprocessor::AliPHOSPreprocessor() :
40 AliPreprocessor("PHS",0)
45 //_______________________________________________________________________________________
46 AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
47 AliPreprocessor("PHS",shuttle)
52 //_______________________________________________________________________________________
53 UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
55 // process data retrieved by the Shuttle
57 // The fileName with the histograms which have been produced by
58 // AliPHOSCalibHistoProducer.
59 // It is a responsibility of the SHUTTLE framework to form the fileName
61 const char* fileName = GetFile(kDAQ, "AMPLITUDES", "GDC");
62 AliInfo(Form("Got filename: %s",fileName));
67 AliInfo(Form("File %s is not opened, something goes wrong!",fileName));
71 const Int_t nMod=5; // 1:5 modules
72 const Int_t nCol=56; //1:56 columns in each module
73 const Int_t nRow=64; //1:64 rows in each module
79 //Get the reference histogram
80 //(author: Gustavo Conesa Balbastre)
82 TList * keylist = f.GetListOfKeys();
83 Int_t nkeys = f.GetNkeys();
86 TString refHistoName= "";
91 //Check if the file contains any histogram
94 AliInfo(Form("Not enough histograms (%d) for calibration.",nkeys));
99 ikey = gRandom->Integer(nkeys);
100 key = (TKey*)keylist->At(ikey);
101 refHistoName = key->GetName();
102 hRef = (TH1F*)f.Get(refHistoName);
104 // Check if the reference histogram has too little statistics
105 if(hRef->GetEntries()>2) ok=kTRUE;
106 if(!ok && counter >= nMod*nCol*nRow){
107 AliInfo("No histogram with enough statistics for reference.");
112 AliInfo(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
113 hRef->GetName(),hRef->GetEntries(),
114 hRef->GetMean(),hRef->GetRMS()));
116 AliPHOSEmcCalibData calibData;
117 Double_t refMean=hRef->GetMean();
119 // Calculates relative calibration coefficients for all non-zero channels
121 for(Int_t mod=0; mod<nMod; mod++) {
122 for(Int_t col=0; col<nCol; col++) {
123 for(Int_t row=0; row<nRow; row++) {
124 sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
125 histo = (TH1F*)f.Get(hnam);
126 //TODO: dead channels exclusion!
128 coeff = histo->GetMean()/refMean;
129 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001/coeff);
130 AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
133 calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001);
138 AliCDBMetaData metaData;
139 Int_t result = Store("Calib", "EmcData", &calibData, &metaData);