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59697224 | 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 TPC reconstruction // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | ||
25 | #include "AliTPCReconstructor.h" | |
26 | #include "AliRunLoader.h" | |
27 | #include "AliRun.h" | |
38e6e547 | 28 | #include "AliRawReader.h" |
59697224 | 29 | #include "AliTPCclustererMI.h" |
30 | #include "AliTPCtrackerMI.h" | |
31 | #include "AliTPCpidESD.h" | |
4fb6310b | 32 | #include "AliTPCParam.h" |
90c7886e | 33 | #include "AliTPCParamSR.h" |
3d37b790 | 34 | #include "AliTPCcalibDB.h" |
59697224 | 35 | |
36 | ClassImp(AliTPCReconstructor) | |
37 | ||
194b0609 | 38 | |
39 | AliTPCRecoParam * AliTPCReconstructor::fgkRecoParam =0; // reconstruction parameters | |
40 | Int_t AliTPCReconstructor::fgStreamLevel = 0; // stream (debug) level | |
41 | ||
42 | ||
3464c690 | 43 | AliTPCReconstructor::AliTPCReconstructor(): |
44 | AliReconstructor(), | |
45 | fClusterer(NULL) | |
46 | { | |
194b0609 | 47 | // |
48 | // default constructor | |
49 | // | |
50 | if (!fgkRecoParam) { | |
51 | AliError("The Reconstruction parameters nonitialized - Used default one"); | |
52 | fgkRecoParam = AliTPCRecoParam::GetHighFluxParam(); | |
53 | } | |
3464c690 | 54 | |
55 | AliTPCParam* param = GetTPCParam(); | |
56 | if (!param) { | |
57 | AliWarning("Loading default TPC parameters !"); | |
58 | param = new AliTPCParamSR; | |
59 | } | |
60 | fClusterer = new AliTPCclustererMI(param); | |
194b0609 | 61 | } |
62 | ||
3464c690 | 63 | //_____________________________________________________________________________ |
64 | AliTPCReconstructor::~AliTPCReconstructor() | |
65 | { | |
66 | if (fgkRecoParam) delete fgkRecoParam; | |
67 | if (fClusterer) delete fClusterer; | |
68 | } | |
194b0609 | 69 | |
59697224 | 70 | //_____________________________________________________________________________ |
71 | void AliTPCReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
72 | { | |
73 | // reconstruct clusters | |
74 | ||
75 | AliLoader* loader = runLoader->GetLoader("TPCLoader"); | |
76 | if (!loader) { | |
77 | Error("Reconstruct", "TPC loader not found"); | |
78 | return; | |
79 | } | |
80 | loader->LoadRecPoints("recreate"); | |
81 | loader->LoadDigits("read"); | |
82 | ||
59697224 | 83 | Int_t nEvents = runLoader->GetNumberOfEvents(); |
84 | ||
85 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
86 | runLoader->GetEvent(iEvent); | |
87 | ||
88 | TTree* treeClusters = loader->TreeR(); | |
89 | if (!treeClusters) { | |
90 | loader->MakeTree("R"); | |
91 | treeClusters = loader->TreeR(); | |
92 | } | |
93 | TTree* treeDigits = loader->TreeD(); | |
94 | if (!treeDigits) { | |
95 | Error("Reconstruct", "Can't get digits tree !"); | |
96 | return; | |
97 | } | |
98 | ||
3464c690 | 99 | fClusterer->SetInput(treeDigits); |
100 | fClusterer->SetOutput(treeClusters); | |
101 | fClusterer->Digits2Clusters(); | |
59697224 | 102 | |
103 | loader->WriteRecPoints("OVERWRITE"); | |
104 | } | |
105 | ||
106 | loader->UnloadRecPoints(); | |
107 | loader->UnloadDigits(); | |
108 | } | |
109 | ||
3464c690 | 110 | //_____________________________________________________________________________ |
111 | void AliTPCReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const { | |
112 | // single event local reconstruction | |
113 | // of TPC data | |
114 | fClusterer->SetInput(digitsTree); | |
115 | fClusterer->SetOutput(clustersTree); | |
116 | fClusterer->Digits2Clusters(); | |
117 | } | |
118 | ||
38e6e547 | 119 | //_____________________________________________________________________________ |
120 | void AliTPCReconstructor::Reconstruct(AliRunLoader* runLoader, | |
121 | AliRawReader* rawReader) const | |
122 | { | |
123 | // reconstruct clusters from raw data | |
124 | ||
125 | AliLoader* loader = runLoader->GetLoader("TPCLoader"); | |
126 | if (!loader) { | |
127 | Error("Reconstruct", "TPC loader not found"); | |
128 | return; | |
129 | } | |
130 | loader->LoadRecPoints("recreate"); | |
131 | ||
b6f060dc | 132 | TString option = GetOption(); |
c8c88e5d | 133 | if (option.Contains("OldRCUFormat")) |
3464c690 | 134 | fClusterer->SetOldRCUFormat(kTRUE); |
b6f060dc | 135 | |
38e6e547 | 136 | Int_t iEvent = 0; |
2c7f22ff | 137 | while (rawReader->NextEvent()) { |
38e6e547 | 138 | runLoader->GetEvent(iEvent++); |
139 | ||
140 | TTree* treeClusters = loader->TreeR(); | |
141 | if (!treeClusters) { | |
142 | loader->MakeTree("R"); | |
143 | treeClusters = loader->TreeR(); | |
144 | } | |
145 | ||
3464c690 | 146 | fClusterer->SetOutput(treeClusters); |
147 | fClusterer->Digits2Clusters(rawReader); | |
38e6e547 | 148 | |
149 | loader->WriteRecPoints("OVERWRITE"); | |
150 | } | |
151 | ||
152 | loader->UnloadRecPoints(); | |
153 | } | |
154 | ||
59697224 | 155 | //_____________________________________________________________________________ |
3464c690 | 156 | void AliTPCReconstructor::Reconstruct(AliRawReader* rawReader, TTree* clustersTree) const { |
157 | // single event local reconstruction | |
158 | // of TPC data starting from raw data | |
159 | TString option = GetOption(); | |
160 | if (option.Contains("OldRCUFormat")) | |
161 | fClusterer->SetOldRCUFormat(kTRUE); | |
162 | ||
163 | fClusterer->SetOutput(clustersTree); | |
164 | fClusterer->Digits2Clusters(rawReader); | |
165 | } | |
166 | ||
167 | //_____________________________________________________________________________ | |
168 | AliTracker* AliTPCReconstructor::CreateTracker(AliRunLoader* /* runLoader */) const | |
59697224 | 169 | { |
170 | // create a TPC tracker | |
171 | ||
3464c690 | 172 | AliTPCParam* param = GetTPCParam(); |
90c7886e | 173 | if (!param) { |
174 | AliWarning("Loading default TPC parameters !"); | |
175 | param = new AliTPCParamSR; | |
176 | } | |
4fb6310b | 177 | param->ReadGeoMatrices(); |
59697224 | 178 | return new AliTPCtrackerMI(param); |
179 | } | |
180 | ||
181 | //_____________________________________________________________________________ | |
182 | void AliTPCReconstructor::FillESD(AliRunLoader* /*runLoader*/, | |
af885e0f | 183 | AliESDEvent* esd) const |
59697224 | 184 | { |
185 | // make PID | |
186 | ||
187 | Double_t parTPC[] = {47., 0.10, 10.}; | |
188 | AliTPCpidESD tpcPID(parTPC); | |
189 | tpcPID.MakePID(esd); | |
190 | } | |
191 | ||
192 | ||
193 | //_____________________________________________________________________________ | |
3464c690 | 194 | AliTPCParam* AliTPCReconstructor::GetTPCParam() const |
59697224 | 195 | { |
196 | // get the TPC parameters | |
197 | ||
3464c690 | 198 | AliTPCParam* param = AliTPCcalibDB::Instance()->GetParameters(); |
3d37b790 | 199 | |
6d75e4b6 | 200 | return param; |
59697224 | 201 | } |