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