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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" | |
34 | ||
35 | ClassImp(AliPHOSPreprocessor) | |
36 | ||
37 | //_______________________________________________________________________________________ | |
38 | AliPHOSPreprocessor::AliPHOSPreprocessor() : | |
39 | AliPreprocessor("PHOS",0) | |
40 | { | |
41 | //default constructor | |
42 | } | |
43 | ||
44 | //_______________________________________________________________________________________ | |
45 | AliPHOSPreprocessor::AliPHOSPreprocessor(const char* detector, AliShuttleInterface* shuttle): | |
46 | AliPreprocessor(detector,shuttle) | |
47 | { | |
48 | // Constructor | |
49 | } | |
50 | ||
51 | //_______________________________________________________________________________________ | |
52 | UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/) | |
53 | { | |
54 | // process data retrieved by the Shuttle | |
55 | ||
56 | // The fileName with the histograms which have been produced by | |
57 | // AliPHOSCalibHistoProducer. | |
58 | // It is a responsibility of the SHUTTLE framework to form the fileName | |
59 | ||
60 | const char* fileName = GetFile(kDAQ, "AMPLITUDES", "GDC"); | |
61 | AliInfo(Form("Got filename: %s",fileName)); | |
62 | ||
63 | TFile f(fileName); | |
64 | ||
65 | if(!f.IsOpen()) { | |
66 | AliInfo(Form("File %s is not opened, something goes wrong!",fileName)); | |
67 | return 0; | |
68 | } | |
69 | ||
70 | const Int_t nMod=5; // 1:5 modules | |
71 | const Int_t nCol=56; //1:56 columns in each module | |
72 | const Int_t nRow=64; //1:64 rows in each module | |
73 | ||
74 | Double_t coeff; | |
75 | char hnam[80]; | |
76 | TH1F* histo=0; | |
77 | ||
78 | // Generate name of the reference histogram | |
79 | TString refHistoName = "mod"; | |
80 | refHistoName += gRandom->Integer(nMod)+1; | |
81 | refHistoName += "col"; | |
82 | refHistoName += gRandom->Integer(nCol)+1; | |
83 | refHistoName += "row"; | |
84 | refHistoName += gRandom->Integer(nRow)+1; | |
85 | TH1F* hRef = (TH1F*)f.Get(refHistoName); | |
86 | ||
87 | // If the reference histogram does not exist or has too little statistics, | |
88 | // it is better to give up preprocessing | |
89 | if(!hRef || hRef->GetEntries()<2) { | |
90 | AliInfo(Form("Cannot get reference histogram %s",refHistoName.Data())); | |
91 | return 0; | |
92 | } | |
93 | ||
94 | AliPHOSEmcCalibData calibData; | |
95 | Double_t refMean=hRef->GetMean(); | |
96 | ||
97 | // Calculates relative calibration coefficients for all non-zero channels | |
98 | ||
99 | for(Int_t mod=0; mod<nMod; mod++) { | |
100 | for(Int_t col=0; col<nCol; col++) { | |
101 | for(Int_t row=0; row<nRow; row++) { | |
102 | sprintf(hnam,"mod%dcol%drow%d",mod,col,row); | |
103 | histo = (TH1F*)f.Get(hnam); | |
104 | //TODO: dead channels exclusion! | |
105 | if(histo) { | |
106 | coeff = histo->GetMean()/refMean; | |
107 | calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001/coeff); | |
108 | AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff)); | |
109 | } | |
110 | else | |
111 | calibData.SetADCchannelEmc(mod+1,col+1,row+1,-111); | |
112 | } | |
113 | } | |
114 | } | |
115 | ||
116 | AliCDBMetaData metaData; | |
117 | Int_t result = Store("Calib", "Data", &calibData, &metaData); | |
118 | ||
119 | f.Close(); | |
120 | return result; | |
121 | ||
122 | } |