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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" |
1ab07e55 | 35 | |
36 | ClassImp(AliPHOSPreprocessor) | |
37 | ||
38 | //_______________________________________________________________________________________ | |
39 | AliPHOSPreprocessor::AliPHOSPreprocessor() : | |
81587b1e | 40 | AliPreprocessor("PHS",0) |
1ab07e55 | 41 | { |
42 | //default constructor | |
43 | } | |
44 | ||
45 | //_______________________________________________________________________________________ | |
81587b1e | 46 | AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle): |
47 | AliPreprocessor("PHS",shuttle) | |
1ab07e55 | 48 | { |
49 | // Constructor | |
50 | } | |
51 | ||
52 | //_______________________________________________________________________________________ | |
53 | UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/) | |
54 | { | |
55 | // process data retrieved by the Shuttle | |
56 | ||
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 | |
60 | ||
61 | const char* fileName = GetFile(kDAQ, "AMPLITUDES", "GDC"); | |
62 | AliInfo(Form("Got filename: %s",fileName)); | |
63 | ||
64 | TFile f(fileName); | |
65 | ||
66 | if(!f.IsOpen()) { | |
4988b8ce | 67 | Log(Form("File %s is not opened, something goes wrong!",fileName)); |
1ab07e55 | 68 | return 0; |
69 | } | |
70 | ||
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 | |
74 | ||
75 | Double_t coeff; | |
76 | char hnam[80]; | |
77 | TH1F* histo=0; | |
78 | ||
f97eb136 | 79 | //Get the reference histogram |
80 | //(author: Gustavo Conesa Balbastre) | |
81 | ||
82 | TList * keylist = f.GetListOfKeys(); | |
83 | Int_t nkeys = f.GetNkeys(); | |
84 | Bool_t ok = kFALSE; | |
85 | TKey *key; | |
86 | TString refHistoName= ""; | |
87 | Int_t ikey = 0; | |
88 | Int_t counter = 0; | |
89 | TH1F* hRef = 0; | |
90 | ||
91 | //Check if the file contains any histogram | |
92 | ||
93 | if(nkeys< 2){ | |
4988b8ce | 94 | Log(Form("Not enough histograms (%d) for calibration.",nkeys)); |
95 | return 1; | |
1ab07e55 | 96 | } |
97 | ||
f97eb136 | 98 | while(!ok){ |
99 | ikey = gRandom->Integer(nkeys); | |
100 | key = (TKey*)keylist->At(ikey); | |
101 | refHistoName = key->GetName(); | |
102 | hRef = (TH1F*)f.Get(refHistoName); | |
103 | counter++; | |
104 | // Check if the reference histogram has too little statistics | |
105 | if(hRef->GetEntries()>2) ok=kTRUE; | |
106 | if(!ok && counter >= nMod*nCol*nRow){ | |
4988b8ce | 107 | Log("No histogram with enough statistics for reference."); |
108 | return 1; | |
f97eb136 | 109 | } |
110 | } | |
111 | ||
4988b8ce | 112 | Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.", |
f97eb136 | 113 | hRef->GetName(),hRef->GetEntries(), |
114 | hRef->GetMean(),hRef->GetRMS())); | |
115 | ||
1ab07e55 | 116 | AliPHOSEmcCalibData calibData; |
117 | Double_t refMean=hRef->GetMean(); | |
118 | ||
119 | // Calculates relative calibration coefficients for all non-zero channels | |
120 | ||
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! | |
127 | if(histo) { | |
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)); | |
131 | } | |
132 | else | |
f97eb136 | 133 | calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001); |
1ab07e55 | 134 | } |
135 | } | |
136 | } | |
137 | ||
138 | AliCDBMetaData metaData; | |
81587b1e | 139 | Int_t result = Store("Calib", "EmcData", &calibData, &metaData); |
1ab07e55 | 140 | |
141 | f.Close(); | |
142 | return result; | |
143 | ||
144 | } |