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a29c28b6 | 1 | /************************************************************************** |
2 | * Copyright(c) 2007, 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 | ||
7bc140a5 | 16 | /* $Id$ */ |
17 | ||
a29c28b6 | 18 | // This class decodes the stream of ALTRO samples to extract |
19 | // the PHOS "digits" of current event. | |
20 | // | |
21 | // Typical use case: | |
22 | // AliRawReader* rf = new AliRawReaderDate("2006run2211.raw"); | |
b1a8a9cb | 23 | // AliPHOSRawDecoder dc(rf); |
a29c28b6 | 24 | // while (rf->NextEvent()) { |
a29c28b6 | 25 | // dc.SubtractPedestals(kTRUE); |
26 | // while ( dc.NextDigit() ) { | |
27 | // Int_t module = dc.GetModule(); | |
28 | // Int_t column = dc.GetColumn(); | |
29 | // Int_t row = dc.GetRow(); | |
30 | // Double_t amplitude = dc.GetEnergy(); | |
31 | // Double_t time = dc.GetTime(); | |
32 | // Bool_t IsLowGain = dc.IsLowGain(); | |
33 | // .......... | |
34 | // } | |
35 | // } | |
36 | ||
37 | // Author: Boris Polichtchouk | |
38 | ||
39 | // --- ROOT system --- | |
b1a8a9cb | 40 | #include "TArrayI.h" |
3876e91d | 41 | #include "TMath.h" |
a29c28b6 | 42 | |
43 | // --- AliRoot header files --- | |
44 | #include "AliPHOSRawDecoder.h" | |
c5d477f8 | 45 | #include "AliRawReader.h" |
bafc1087 | 46 | #include "AliPHOSCalibData.h" |
47 | #include "AliLog.h" | |
c5d477f8 | 48 | |
a29c28b6 | 49 | ClassImp(AliPHOSRawDecoder) |
50 | ||
51 | //----------------------------------------------------------------------------- | |
52 | AliPHOSRawDecoder::AliPHOSRawDecoder(): | |
6d1f3e73 | 53 | TObject(), |
54 | fRawReader(0), | |
55 | fCaloStream(0), | |
56 | fPedSubtract(kFALSE), | |
57 | fEnergy(-111), | |
58 | fTime(-111), | |
59 | fQuality(0.), | |
60 | fPedestalRMS(0.), | |
61 | fAmpOffset(0), | |
62 | fAmpThreshold(0), | |
63 | fModule(-1), | |
64 | fColumn(-1), | |
65 | fRow(-1), | |
66 | fNewModule(-1), | |
67 | fNewColumn(-1), | |
68 | fNewRow(-1), | |
69 | fNewAmp(0), | |
70 | fNewTime(0), | |
71 | fLowGainFlag(kFALSE), | |
72 | fNewLowGainFlag(kFALSE), | |
73 | fOverflow(kFALSE), | |
74 | fSamples(0), | |
75 | fTimes(0), | |
76 | fCalibData(0) | |
a29c28b6 | 77 | { |
78 | //Default constructor. | |
79 | } | |
80 | ||
81 | //----------------------------------------------------------------------------- | |
467957dc | 82 | AliPHOSRawDecoder::AliPHOSRawDecoder(AliRawReader* rawReader, AliAltroMapping **mapping): |
6d1f3e73 | 83 | TObject(), |
84 | fRawReader(0), | |
85 | fCaloStream(0), | |
86 | fPedSubtract(kFALSE), | |
87 | fEnergy(-111), | |
88 | fTime(-111), | |
89 | fQuality(0.), | |
90 | fPedestalRMS(0.), | |
91 | fAmpOffset(0), | |
92 | fAmpThreshold(0), | |
93 | fModule(-1), | |
94 | fColumn(-1), | |
95 | fRow(-1), | |
96 | fNewModule(-1), | |
97 | fNewColumn(-1), | |
98 | fNewRow(-1), | |
99 | fNewAmp(0), | |
100 | fNewTime(0), | |
101 | fLowGainFlag(kFALSE), | |
102 | fNewLowGainFlag(kFALSE), | |
103 | fOverflow(kFALSE), | |
104 | fSamples(0), | |
105 | fTimes(0), | |
106 | fCalibData(0) | |
a29c28b6 | 107 | { |
108 | //Construct a decoder object. | |
109 | //Is is user responsibility to provide next raw event | |
110 | //using AliRawReader::NextEvent(). | |
111 | ||
112 | fRawReader = rawReader; | |
467957dc | 113 | fCaloStream = new AliCaloRawStream(rawReader,"PHOS",mapping); |
b1a8a9cb | 114 | fSamples = new TArrayI(100); |
14100b90 | 115 | fTimes = new TArrayI(100); |
a29c28b6 | 116 | } |
117 | ||
118 | //----------------------------------------------------------------------------- | |
119 | AliPHOSRawDecoder::~AliPHOSRawDecoder() | |
120 | { | |
121 | //Destructor. | |
122 | ||
14100b90 | 123 | if(fCaloStream){ delete fCaloStream; fCaloStream=0;} |
124 | if(fSamples){ delete fSamples; fSamples=0 ;} | |
125 | if(fTimes){ delete fTimes; fTimes=0 ;} | |
a29c28b6 | 126 | } |
127 | ||
128 | //----------------------------------------------------------------------------- | |
129 | AliPHOSRawDecoder::AliPHOSRawDecoder(const AliPHOSRawDecoder &phosDecoder ): | |
6d1f3e73 | 130 | TObject(), |
131 | fRawReader(phosDecoder.fRawReader), | |
132 | fCaloStream(phosDecoder.fCaloStream), | |
a29c28b6 | 133 | fPedSubtract(phosDecoder.fPedSubtract), |
6d1f3e73 | 134 | fEnergy(phosDecoder.fEnergy), |
135 | fTime(phosDecoder.fTime), | |
136 | fQuality(phosDecoder.fQuality), | |
137 | fPedestalRMS(phosDecoder.fPedestalRMS), | |
138 | fAmpOffset(phosDecoder.fAmpOffset), | |
139 | fAmpThreshold(phosDecoder.fAmpThreshold), | |
140 | fModule(phosDecoder.fModule), | |
141 | fColumn(phosDecoder.fColumn), | |
142 | fRow(phosDecoder.fRow), | |
143 | fNewModule(phosDecoder.fNewModule), | |
144 | fNewColumn(phosDecoder.fNewColumn), | |
145 | fNewRow(phosDecoder.fNewRow), | |
146 | fNewAmp(phosDecoder.fNewAmp), | |
147 | fNewTime(phosDecoder.fNewTime), | |
148 | fLowGainFlag(phosDecoder.fLowGainFlag), | |
149 | fNewLowGainFlag(phosDecoder.fNewLowGainFlag), | |
150 | fOverflow(phosDecoder.fOverflow), | |
151 | fSamples(phosDecoder.fSamples), | |
152 | fTimes(phosDecoder.fTimes), | |
153 | fCalibData(phosDecoder.fCalibData) | |
a29c28b6 | 154 | { |
155 | //Copy constructor. | |
156 | } | |
157 | ||
158 | //----------------------------------------------------------------------------- | |
159 | AliPHOSRawDecoder& AliPHOSRawDecoder::operator = (const AliPHOSRawDecoder &phosDecode) | |
160 | { | |
7bc140a5 | 161 | //Assignment operator. |
162 | ||
a29c28b6 | 163 | if(this != &phosDecode) { |
164 | fRawReader = phosDecode.fRawReader; | |
165 | ||
166 | if(fCaloStream) delete fCaloStream; | |
167 | fCaloStream = phosDecode.fCaloStream; | |
168 | ||
169 | fEnergy = phosDecode.fEnergy; | |
170 | fTime = phosDecode.fTime; | |
70d93620 | 171 | fQuality = phosDecode.fQuality ; |
60144e5f | 172 | fPedestalRMS = phosDecode.fPedestalRMS ; |
173 | fAmpOffset = phosDecode.fAmpOffset ; | |
a29c28b6 | 174 | fModule = phosDecode.fModule; |
175 | fColumn = phosDecode.fColumn; | |
176 | fRow = phosDecode.fRow; | |
39569d36 | 177 | fNewModule = phosDecode.fNewModule; |
178 | fNewColumn = phosDecode.fNewColumn; | |
179 | fNewRow = phosDecode.fNewRow; | |
180 | fNewAmp = phosDecode.fNewAmp ; | |
181 | fNewTime= phosDecode.fNewTime ; | |
56c9f64a | 182 | fLowGainFlag = phosDecode.fLowGainFlag; |
39569d36 | 183 | fNewLowGainFlag = phosDecode.fNewLowGainFlag; |
14100b90 | 184 | fOverflow = phosDecode.fOverflow ; |
56c9f64a | 185 | |
b1a8a9cb | 186 | if(fSamples) delete fSamples; |
187 | fSamples = phosDecode.fSamples; | |
188 | ||
14100b90 | 189 | if(fTimes) delete fTimes; |
190 | fTimes = phosDecode.fTimes; | |
bafc1087 | 191 | fCalibData = phosDecode.fCalibData; |
a29c28b6 | 192 | } |
193 | ||
194 | return *this; | |
195 | } | |
196 | ||
197 | //----------------------------------------------------------------------------- | |
198 | ||
199 | Bool_t AliPHOSRawDecoder::NextDigit() | |
200 | { | |
201 | //Extract an energy deposited in the crystal, | |
202 | //crystal' position (module,column,row), | |
203 | //time and gain (high or low). | |
b1a8a9cb | 204 | |
a29c28b6 | 205 | AliCaloRawStream* in = fCaloStream; |
b1a8a9cb | 206 | |
b1a8a9cb | 207 | fEnergy = -111; |
1267d56d | 208 | Float_t pedMean = 0; |
3876e91d | 209 | Float_t pedRMS = 0; |
1267d56d | 210 | Int_t nPed = 0; |
211 | Float_t baseLine = 1.0; | |
c5d477f8 | 212 | const Int_t kPreSamples = 10; |
b1a8a9cb | 213 | |
14100b90 | 214 | while ( in->Next() ) { |
23e312da | 215 | // Evaluate previous sample |
216 | if(in->IsNewHWAddress() && fEnergy!=-111){ //Do not return at first sample | |
56c9f64a | 217 | |
39569d36 | 218 | //First remember new sample |
219 | fNewLowGainFlag = in->IsLowGain(); | |
220 | fNewModule = in->GetModule()+1; | |
221 | fNewRow = in->GetRow() +1; | |
222 | fNewColumn = in->GetColumn()+1; | |
223 | fNewAmp = in->GetSignal() ; | |
224 | fNewTime=in->GetTime() ; | |
23e312da | 225 | // We take the energy as a maximum amplitude |
56c9f64a | 226 | // and the pedestal from the 0th point (30 Aug 2006). |
23e312da | 227 | // Time is not evaluated |
228 | // Take it as a first time bin multiplied by the sample tick time | |
56c9f64a | 229 | |
60144e5f | 230 | if(fPedSubtract) { |
3876e91d | 231 | if (nPed > 0){ |
232 | fPedestalRMS=(pedRMS-pedMean*pedMean/nPed)/nPed ; | |
233 | if(fPedestalRMS > 0.) | |
234 | fPedestalRMS = TMath::Sqrt(fPedestalRMS) ; | |
7b02b945 | 235 | fEnergy -= (Double_t)(pedMean/nPed); // pedestal subtraction |
3876e91d | 236 | } |
7b02b945 | 237 | else |
238 | return kFALSE; | |
60144e5f | 239 | } |
240 | else{ | |
bafc1087 | 241 | //take pedestals from DB |
242 | Double_t pedestal = (Double_t) fAmpOffset ; | |
243 | if(fCalibData){ | |
244 | Float_t truePed = fCalibData->GetADCpedestalEmc(fModule, fColumn, fRow) ; | |
245 | Int_t altroSettings = fCalibData->GetAltroOffsetEmc(fModule, fColumn, fRow) ; | |
246 | pedestal += truePed - altroSettings ; | |
247 | } | |
248 | else{ | |
23e312da | 249 | printf("AliPHOSRawDecoder::NextDigit() Can not read data from OCDB \n") ; |
bafc1087 | 250 | } |
251 | fEnergy-=pedestal ; | |
60144e5f | 252 | } |
1267d56d | 253 | if (fEnergy < baseLine) fEnergy = 0; |
254 | ||
56c9f64a | 255 | return kTRUE; |
256 | } | |
257 | ||
258 | fLowGainFlag = in->IsLowGain(); | |
7f612eef | 259 | fTime = 1; |
56c9f64a | 260 | fModule = in->GetModule()+1; |
1267d56d | 261 | fRow = in->GetRow() +1; |
56c9f64a | 262 | fColumn = in->GetColumn()+1; |
263 | ||
39569d36 | 264 | if(fLowGainFlag==fNewLowGainFlag && fModule==fNewModule && |
265 | fRow==fNewRow && fColumn==fNewColumn ){ | |
266 | if(fNewAmp>fEnergy) fEnergy = (Double_t)fNewAmp ; | |
23e312da | 267 | fNewModule=-1 ; //copyed, do not copy more |
39569d36 | 268 | } |
269 | ||
14100b90 | 270 | //Calculate pedestal if necessary |
23e312da | 271 | if(fPedSubtract && (in->GetTime() < kPreSamples)) { |
1267d56d | 272 | pedMean += in->GetSignal(); |
3876e91d | 273 | pedRMS+=in->GetSignal()*in->GetSignal() ; |
1267d56d | 274 | nPed++; |
275 | } | |
23e312da | 276 | if((Double_t)in->GetSignal() > fEnergy) |
277 | fEnergy = (Double_t)in->GetSignal(); | |
56c9f64a | 278 | |
279 | } // in.Next() | |
280 | ||
281 | return kFALSE; | |
a29c28b6 | 282 | } |