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121a60bd | 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 | // // | |
20 | // class for TOF reconstruction // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
b09247a2 | 24 | #include <cstdlib> |
6b025efd | 25 | #include "TObjArray.h" |
26 | #include "TString.h" | |
d08a92dd | 27 | |
28 | #include "AliLog.h" | |
f858b00e | 29 | #include "AliESDEvent.h" |
30 | #include "AliESDpid.h" | |
0e46b9ae | 31 | #include "AliRawReader.h" |
f858b00e | 32 | #include "AliTOFHeader.h" |
d08a92dd | 33 | |
0e46b9ae | 34 | #include "AliTOFClusterFinder.h" |
e3bd5504 | 35 | #include "AliTOFClusterFinderV1.h" |
a98acac1 | 36 | #include "AliTOFcalib.h" |
d88fbf15 | 37 | #include "AliTOFtrackerMI.h" |
0e46b9ae | 38 | #include "AliTOFtracker.h" |
eeef0c5d | 39 | #include "AliTOFtrackerV1.h" |
f858b00e | 40 | #include "AliTOFT0maker.h" |
d08a92dd | 41 | #include "AliTOFReconstructor.h" |
121a60bd | 42 | |
0e46b9ae | 43 | class TTree; |
44 | ||
121a60bd | 45 | ClassImp(AliTOFReconstructor) |
46 | ||
a98acac1 | 47 | //____________________________________________________________________ |
48 | AliTOFReconstructor::AliTOFReconstructor() | |
49 | : AliReconstructor(), | |
f858b00e | 50 | fTOFcalib(0)/*, |
51 | fTOFT0maker(0)*/ | |
a98acac1 | 52 | { |
53 | // | |
54 | // ctor | |
55 | // | |
6b025efd | 56 | |
a98acac1 | 57 | //Retrieving the TOF calibration info |
5b4ed716 | 58 | fTOFcalib = new AliTOFcalib(); |
59 | fTOFcalib->Init(); | |
60 | ||
61 | #if 0 | |
24d1e16e | 62 | fTOFcalib->CreateCalObjects(); |
17149e6b | 63 | |
64 | if(!fTOFcalib->ReadParOnlineDelayFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);} | |
65 | if(!fTOFcalib->ReadParOnlineStatusFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);} | |
66 | ||
ba66add8 | 67 | if(!fTOFcalib->ReadParOfflineFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);} |
2bf4d9d6 | 68 | |
69 | ||
70 | if(!fTOFcalib->ReadDeltaBCOffsetFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);} | |
71 | if(!fTOFcalib->ReadCTPLatencyFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);} | |
72 | if(!fTOFcalib->ReadT0FillFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);} | |
f04b3a69 | 73 | if(!fTOFcalib->ReadRunParamsFromCDB("TOF/Calib",-1)) {AliFatal("Exiting, no CDB object found!!!");exit(0);} |
5b4ed716 | 74 | #endif |
75 | ||
a98acac1 | 76 | } |
77 | ||
a98acac1 | 78 | //_____________________________________________________________________________ |
79 | AliTOFReconstructor::~AliTOFReconstructor() | |
80 | { | |
81 | // | |
82 | // dtor | |
83 | // | |
f858b00e | 84 | |
a98acac1 | 85 | delete fTOFcalib; |
f858b00e | 86 | |
87 | //delete fTOFT0maker; | |
88 | ||
a98acac1 | 89 | } |
90 | ||
d08a92dd | 91 | //_____________________________________________________________________________ |
92 | void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader, | |
93 | TTree *clustersTree) const | |
94 | { | |
e3bd5504 | 95 | // |
96 | // reconstruct clusters from Raw Data | |
97 | // | |
98 | ||
17bb1d52 | 99 | TString optionString = GetOption(); |
5b4ed716 | 100 | |
e3bd5504 | 101 | // use V1 cluster finder if selected |
17bb1d52 | 102 | if (optionString.Contains("ClusterizerV1")) { |
e3bd5504 | 103 | static AliTOFClusterFinderV1 tofClus(fTOFcalib); |
17bb1d52 | 104 | |
105 | // decoder version option | |
5b4ed716 | 106 | if (optionString.Contains("DecoderV0")) { |
17bb1d52 | 107 | tofClus.SetDecoderVersion(0); |
5b4ed716 | 108 | } |
109 | else if (optionString.Contains("DecoderV1")) { | |
22f79281 | 110 | tofClus.SetDecoderVersion(1); |
5b4ed716 | 111 | } |
112 | else { | |
113 | tofClus.SetDecoderVersion(2); | |
114 | } | |
17bb1d52 | 115 | |
e3bd5504 | 116 | tofClus.Digits2RecPoints(rawReader, clustersTree); |
117 | } | |
118 | else { | |
119 | static AliTOFClusterFinder tofClus(fTOFcalib); | |
17bb1d52 | 120 | |
121 | // decoder version option | |
5b4ed716 | 122 | if (optionString.Contains("DecoderV0")) { |
17bb1d52 | 123 | tofClus.SetDecoderVersion(0); |
5b4ed716 | 124 | } |
125 | else if (optionString.Contains("DecoderV1")) { | |
22f79281 | 126 | tofClus.SetDecoderVersion(1); |
5b4ed716 | 127 | } |
128 | else { | |
129 | tofClus.SetDecoderVersion(2); | |
130 | } | |
17bb1d52 | 131 | |
e3bd5504 | 132 | tofClus.Digits2RecPoints(rawReader, clustersTree); |
133 | } | |
121a60bd | 134 | |
135 | } | |
136 | ||
a98acac1 | 137 | //_____________________________________________________________________________ |
138 | void AliTOFReconstructor::Reconstruct(TTree *digitsTree, | |
139 | TTree *clustersTree) const | |
140 | { | |
e3bd5504 | 141 | // |
142 | // reconstruct clusters from digits | |
143 | // | |
a98acac1 | 144 | |
145 | AliDebug(2,Form("Global Event loop mode: Creating Recpoints from Digits Tree")); | |
e3bd5504 | 146 | |
17bb1d52 | 147 | TString optionString = GetOption(); |
e3bd5504 | 148 | // use V1 cluster finder if selected |
17bb1d52 | 149 | if (optionString.Contains("ClusterizerV1")) { |
e3bd5504 | 150 | static AliTOFClusterFinderV1 tofClus(fTOFcalib); |
17bb1d52 | 151 | |
152 | // decoder version option | |
5b4ed716 | 153 | if (optionString.Contains("DecoderV0")) { |
17bb1d52 | 154 | tofClus.SetDecoderVersion(0); |
5b4ed716 | 155 | } |
156 | else if (optionString.Contains("DecoderV1")) { | |
22f79281 | 157 | tofClus.SetDecoderVersion(1); |
5b4ed716 | 158 | } |
159 | else { | |
160 | tofClus.SetDecoderVersion(2); | |
161 | } | |
17bb1d52 | 162 | |
e3bd5504 | 163 | tofClus.Digits2RecPoints(digitsTree, clustersTree); |
164 | } | |
165 | else { | |
166 | static AliTOFClusterFinder tofClus(fTOFcalib); | |
17bb1d52 | 167 | |
168 | // decoder version option | |
5b4ed716 | 169 | if (optionString.Contains("DecoderV0")) { |
17bb1d52 | 170 | tofClus.SetDecoderVersion(0); |
5b4ed716 | 171 | } |
172 | else if (optionString.Contains("DecoderV1")) { | |
22f79281 | 173 | tofClus.SetDecoderVersion(1); |
5b4ed716 | 174 | } |
175 | else { | |
176 | tofClus.SetDecoderVersion(2); | |
177 | } | |
17bb1d52 | 178 | |
e3bd5504 | 179 | tofClus.Digits2RecPoints(digitsTree, clustersTree); |
180 | } | |
a98acac1 | 181 | |
182 | } | |
183 | //_____________________________________________________________________________ | |
184 | void AliTOFReconstructor::ConvertDigits(AliRawReader* reader, TTree* digitsTree) const | |
185 | { | |
186 | // reconstruct clusters from digits | |
187 | ||
188 | AliDebug(2,Form("Global Event loop mode: Converting Raw Data to a Digits Tree")); | |
e3bd5504 | 189 | |
17bb1d52 | 190 | TString optionString = GetOption(); |
e3bd5504 | 191 | // use V1 cluster finder if selected |
17bb1d52 | 192 | if (optionString.Contains("ClusterizerV1")) { |
e3bd5504 | 193 | static AliTOFClusterFinderV1 tofClus(fTOFcalib); |
17bb1d52 | 194 | |
195 | // decoder version option | |
5b4ed716 | 196 | if (optionString.Contains("DecoderV0")) { |
17bb1d52 | 197 | tofClus.SetDecoderVersion(0); |
5b4ed716 | 198 | } |
199 | else if (optionString.Contains("DecoderV1")) { | |
22f79281 | 200 | tofClus.SetDecoderVersion(1); |
5b4ed716 | 201 | } |
202 | else { | |
203 | tofClus.SetDecoderVersion(2); | |
204 | } | |
17bb1d52 | 205 | |
e3bd5504 | 206 | tofClus.Raw2Digits(reader, digitsTree); |
207 | } | |
208 | else { | |
209 | static AliTOFClusterFinder tofClus(fTOFcalib); | |
17bb1d52 | 210 | |
211 | // decoder version option | |
5b4ed716 | 212 | if (optionString.Contains("DecoderV0")) { |
17bb1d52 | 213 | tofClus.SetDecoderVersion(0); |
5b4ed716 | 214 | } |
215 | else if (optionString.Contains("DecoderV1")) { | |
22f79281 | 216 | tofClus.SetDecoderVersion(1); |
5b4ed716 | 217 | } |
218 | else { | |
219 | tofClus.SetDecoderVersion(2); | |
220 | } | |
17bb1d52 | 221 | |
e3bd5504 | 222 | tofClus.Raw2Digits(reader, digitsTree); |
223 | } | |
a98acac1 | 224 | |
225 | } | |
226 | ||
121a60bd | 227 | //_____________________________________________________________________________ |
d76c31f4 | 228 | AliTracker* AliTOFReconstructor::CreateTracker() const |
121a60bd | 229 | { |
3a646035 | 230 | |
231 | // | |
232 | // create a TOF tracker using | |
233 | // TOF Reco Param collected by STEER | |
234 | // | |
121a60bd | 235 | |
d88fbf15 | 236 | TString selectedTracker = GetOption(); |
3a646035 | 237 | |
238 | AliTracker *tracker; | |
d88fbf15 | 239 | // use MI tracker if selected |
17bb1d52 | 240 | if (selectedTracker.Contains("TrackerMI")) { |
3a646035 | 241 | tracker = new AliTOFtrackerMI(); |
242 | } | |
243 | // use V1 tracker if selected | |
a572506f | 244 | else if (selectedTracker.Contains("TrackerV1")) { |
3a646035 | 245 | tracker = new AliTOFtrackerV1(); |
246 | } | |
247 | else { | |
248 | tracker = new AliTOFtracker(); | |
249 | } | |
250 | return tracker; | |
121a60bd | 251 | |
e3bd5504 | 252 | } |
f858b00e | 253 | |
254 | //_____________________________________________________________________________ | |
255 | void AliTOFReconstructor::FillEventTimeWithTOF(AliESDEvent *event, AliESDpid *esdPID) | |
256 | { | |
257 | // | |
258 | // Fill AliESDEvent::fTOFHeader variable | |
259 | // It contains the event_time estiamted by the TOF combinatorial algorithm | |
260 | // | |
261 | ||
5c1e5810 | 262 | if (!GetRecoParam()) AliFatal("cannot get TOF RECO params"); |
263 | ||
f858b00e | 264 | Float_t tofResolution = GetRecoParam()->GetTimeResolution();// TOF time resolution in ps |
d486a5ef | 265 | AliTOFT0maker *tofT0maker = new AliTOFT0maker(esdPID); |
f858b00e | 266 | tofT0maker->SetTimeResolution(tofResolution); |
267 | tofT0maker->ComputeT0TOF(event); | |
268 | tofT0maker->WriteInESD(event); | |
269 | tofT0maker->~AliTOFT0maker(); | |
270 | delete tofT0maker; | |
271 | ||
d486a5ef | 272 | esdPID->SetTOFResponse(event,(AliESDpid::EStartTimeType_t)GetRecoParam()->GetStartTimeType()); |
273 | ||
f858b00e | 274 | } |
275 | ||
c2fb5b09 | 276 | //_____________________________________________________________________________ |
277 | void | |
35b6d6a6 | 278 | AliTOFReconstructor::FillESD(TTree *, TTree *, AliESDEvent * /*esdEvent*/) const |
c2fb5b09 | 279 | { |
280 | // | |
281 | // correct Texp | |
282 | // | |
283 | // | |
284 | ||
5a388465 | 285 | // fTOFcalib->CalibrateTExp(esdEvent); |
c2fb5b09 | 286 | } |