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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-2008, 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 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // CPV Preprocessor class. It runs by Shuttle at the end of the run, | |
19 | // calculates calibration coefficients and dead/bad channels | |
20 | // to be posted in OCDB. | |
21 | // | |
22 | // Author: Boris Polichtchouk, 25 January 2008 | |
23 | /////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #include "AliPHOSCpvPreprocessor.h" | |
26 | #include "AliLog.h" | |
27 | #include "AliCDBMetaData.h" | |
28 | #include "AliPHOSCpvCalibData.h" | |
29 | #include "TFile.h" | |
30 | #include "TH1.h" | |
31 | #include "TMap.h" | |
32 | #include "TRandom.h" | |
33 | #include "TKey.h" | |
34 | #include "TList.h" | |
35 | #include "TObjString.h" | |
36 | ||
37 | ClassImp(AliPHOSCpvPreprocessor) | |
38 | ||
39 | //_______________________________________________________________________________________ | |
40 | AliPHOSCpvPreprocessor::AliPHOSCpvPreprocessor() : | |
41 | AliPreprocessor("CPV",0) | |
42 | { | |
43 | //default constructor | |
44 | } | |
45 | ||
46 | //_______________________________________________________________________________________ | |
47 | AliPHOSCpvPreprocessor::AliPHOSCpvPreprocessor(AliShuttleInterface* shuttle): | |
48 | AliPreprocessor("CPV",shuttle) | |
49 | { | |
50 | // Constructor | |
51 | ||
52 | AddRunType("PHYSICS"); | |
53 | AddRunType("STANDALONE"); | |
54 | ||
55 | } | |
56 | ||
57 | //_______________________________________________________________________________________ | |
58 | UInt_t AliPHOSCpvPreprocessor::Process(TMap* /*valueSet*/) | |
59 | { | |
60 | // process data retrieved by the Shuttle | |
61 | ||
62 | // The fileName with the histograms which have been produced by | |
63 | // AliPHOSCpvDAs. | |
64 | // It is a responsibility of the SHUTTLE framework to form the fileName. | |
65 | ||
66 | TString runType = GetRunType(); | |
67 | Log(Form("Run type: %s",runType.Data())); | |
68 | ||
69 | if(runType=="PHYSICS") { | |
70 | ||
71 | gRandom->SetSeed(0); //the seed is set to the current machine clock! | |
72 | AliPHOSCpvCalibData calibData; | |
73 | ||
74 | TList* list = GetFileSources(kDAQ, "AMPLITUDES"); | |
75 | if(!list) { | |
76 | Log("Sources list not found, exit."); | |
77 | return 1; | |
78 | } | |
79 | ||
80 | TIter iter(list); | |
81 | TObjString *source; | |
82 | ||
83 | while ((source = dynamic_cast<TObjString *> (iter.Next()))) { | |
84 | AliInfo(Form("found source %s", source->String().Data())); | |
85 | ||
86 | TString fileName = GetFile(kDAQ, "AMPLITUDES", source->GetName()); | |
87 | AliInfo(Form("Got filename: %s",fileName.Data())); | |
88 | ||
89 | TFile f(fileName); | |
90 | ||
91 | if(!f.IsOpen()) { | |
92 | Log(Form("File %s is not opened, something goes wrong!",fileName.Data())); | |
93 | return 1; | |
94 | } | |
95 | ||
96 | const Int_t nMod=5; // 1:5 modules | |
97 | const Int_t nCol=56; // 1:56 columns in each CPV module (along the global Z axis) | |
98 | const Int_t nRow=128; // 1:128 rows in each CPV module | |
99 | ||
100 | Double_t coeff; | |
101 | char hnam[80]; | |
102 | TH1F* histo=0; | |
103 | ||
104 | //Get the reference histogram | |
105 | //(author: Gustavo Conesa Balbastre) | |
106 | ||
107 | TList * keylist = f.GetListOfKeys(); | |
108 | Int_t nkeys = f.GetNkeys(); | |
109 | Bool_t ok = kFALSE; | |
110 | TKey *key; | |
111 | TString refHistoName= ""; | |
112 | Int_t ikey = 0; | |
113 | Int_t counter = 0; | |
114 | TH1F* hRef = 0; | |
115 | ||
116 | //Check if the file contains any histogram | |
117 | ||
118 | if(nkeys< 2){ | |
119 | Log(Form("Not enough histograms (%d) for calibration.",nkeys)); | |
120 | return 1; | |
121 | } | |
122 | ||
123 | while(!ok){ | |
124 | ikey = gRandom->Integer(nkeys); | |
125 | key = (TKey*)keylist->At(ikey); | |
126 | refHistoName = key->GetName(); | |
127 | hRef = (TH1F*)f.Get(refHistoName); | |
128 | counter++; | |
129 | // Check if the reference histogram has too little statistics | |
130 | if(hRef->GetEntries()>2) ok=kTRUE; | |
131 | if(!ok && counter >= nkeys){ | |
132 | Log("No histogram with enough statistics for reference."); | |
133 | return 1; | |
134 | } | |
135 | } | |
136 | ||
137 | Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.", | |
138 | hRef->GetName(),hRef->GetEntries(), | |
139 | hRef->GetMean(),hRef->GetRMS())); | |
140 | ||
141 | Double_t refMean=hRef->GetMean(); | |
142 | ||
143 | // Calculates relative calibration coefficients for all non-zero channels | |
144 | ||
145 | for(Int_t mod=0; mod<nMod; mod++) { | |
146 | for(Int_t col=0; col<nCol; col++) { | |
147 | for(Int_t row=0; row<nRow; row++) { | |
148 | snprintf(hnam,80,"%d_%d_%d",mod,row,col); // mod_X_Z | |
149 | histo = (TH1F*)f.Get(hnam); | |
150 | //TODO: dead channels exclusion! | |
151 | if(histo) { | |
152 | coeff = histo->GetMean()/refMean; | |
153 | if(coeff>0) | |
154 | calibData.SetADCchannelCpv(mod+1,col+1,row+1,1./coeff); | |
155 | AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff)); | |
156 | } | |
157 | } | |
158 | } | |
159 | } | |
160 | ||
161 | f.Close(); | |
162 | } | |
163 | ||
164 | //Store CPV calibration data | |
165 | ||
166 | AliCDBMetaData cpvMetaData; | |
167 | Bool_t cpvOK = Store("Calib", "CpvGainPedestals", &calibData, &cpvMetaData); | |
168 | ||
169 | if(cpvOK) return 0; | |
170 | else | |
171 | return 1; | |
172 | } | |
173 | ||
174 | Log(Form("Unknown or unused run type %s. Do nothing and return OK.",runType.Data())); | |
175 | return 0; | |
176 | ||
177 | } | |
178 |