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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 | ||
8018bb90 | 38 | Double_t AliTPCReconstructor::fgCtgRange = 1.05; |
3f82c4f2 | 39 | Double_t AliTPCReconstructor::fgMaxSnpTracker = 0.95; // max tangent in tracker - correspond to 3 |
40 | Double_t AliTPCReconstructor::fgMaxSnpTrack = 0.999; // tangent | |
34acb742 | 41 | Int_t AliTPCReconstructor::fgStreamLevel = 0; // stream (debug) level |
59697224 | 42 | //_____________________________________________________________________________ |
43 | void AliTPCReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
44 | { | |
45 | // reconstruct clusters | |
46 | ||
47 | AliLoader* loader = runLoader->GetLoader("TPCLoader"); | |
48 | if (!loader) { | |
49 | Error("Reconstruct", "TPC loader not found"); | |
50 | return; | |
51 | } | |
52 | loader->LoadRecPoints("recreate"); | |
53 | loader->LoadDigits("read"); | |
54 | ||
55 | AliTPCParam* param = GetTPCParam(runLoader); | |
56 | if (!param) return; | |
57 | AliTPCclustererMI clusterer(param); | |
58 | Int_t nEvents = runLoader->GetNumberOfEvents(); | |
59 | ||
60 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
61 | runLoader->GetEvent(iEvent); | |
62 | ||
63 | TTree* treeClusters = loader->TreeR(); | |
64 | if (!treeClusters) { | |
65 | loader->MakeTree("R"); | |
66 | treeClusters = loader->TreeR(); | |
67 | } | |
68 | TTree* treeDigits = loader->TreeD(); | |
69 | if (!treeDigits) { | |
70 | Error("Reconstruct", "Can't get digits tree !"); | |
71 | return; | |
72 | } | |
73 | ||
74 | clusterer.SetInput(treeDigits); | |
75 | clusterer.SetOutput(treeClusters); | |
76 | clusterer.Digits2Clusters(); | |
77 | ||
78 | loader->WriteRecPoints("OVERWRITE"); | |
79 | } | |
80 | ||
81 | loader->UnloadRecPoints(); | |
82 | loader->UnloadDigits(); | |
83 | } | |
84 | ||
38e6e547 | 85 | //_____________________________________________________________________________ |
86 | void AliTPCReconstructor::Reconstruct(AliRunLoader* runLoader, | |
87 | AliRawReader* rawReader) const | |
88 | { | |
89 | // reconstruct clusters from raw data | |
90 | ||
91 | AliLoader* loader = runLoader->GetLoader("TPCLoader"); | |
92 | if (!loader) { | |
93 | Error("Reconstruct", "TPC loader not found"); | |
94 | return; | |
95 | } | |
96 | loader->LoadRecPoints("recreate"); | |
97 | ||
98 | AliTPCParam* param = GetTPCParam(runLoader); | |
90c7886e | 99 | if (!param) { |
100 | AliWarning("Loading default TPC parameters !"); | |
101 | param = new AliTPCParamSR; | |
102 | } | |
38e6e547 | 103 | AliTPCclustererMI clusterer(param); |
104 | ||
b6f060dc | 105 | TString option = GetOption(); |
106 | if (option.Contains("PedestalSubtraction")) | |
107 | clusterer.SetPedSubtraction(kTRUE); | |
c8c88e5d | 108 | if (option.Contains("OldRCUFormat")) |
109 | clusterer.SetOldRCUFormat(kTRUE); | |
b6f060dc | 110 | |
38e6e547 | 111 | Int_t iEvent = 0; |
3d37b790 | 112 | while (rawReader->NextEvent() && iEvent<35) { |
38e6e547 | 113 | runLoader->GetEvent(iEvent++); |
114 | ||
115 | TTree* treeClusters = loader->TreeR(); | |
116 | if (!treeClusters) { | |
117 | loader->MakeTree("R"); | |
118 | treeClusters = loader->TreeR(); | |
119 | } | |
120 | ||
121 | clusterer.SetOutput(treeClusters); | |
122 | clusterer.Digits2Clusters(rawReader); | |
123 | ||
124 | loader->WriteRecPoints("OVERWRITE"); | |
125 | } | |
126 | ||
127 | loader->UnloadRecPoints(); | |
128 | } | |
129 | ||
59697224 | 130 | //_____________________________________________________________________________ |
131 | AliTracker* AliTPCReconstructor::CreateTracker(AliRunLoader* runLoader) const | |
132 | { | |
133 | // create a TPC tracker | |
134 | ||
135 | AliTPCParam* param = GetTPCParam(runLoader); | |
90c7886e | 136 | if (!param) { |
137 | AliWarning("Loading default TPC parameters !"); | |
138 | param = new AliTPCParamSR; | |
139 | } | |
4fb6310b | 140 | param->ReadGeoMatrices(); |
59697224 | 141 | return new AliTPCtrackerMI(param); |
142 | } | |
143 | ||
144 | //_____________________________________________________________________________ | |
145 | void AliTPCReconstructor::FillESD(AliRunLoader* /*runLoader*/, | |
146 | AliESD* esd) const | |
147 | { | |
148 | // make PID | |
149 | ||
150 | Double_t parTPC[] = {47., 0.10, 10.}; | |
151 | AliTPCpidESD tpcPID(parTPC); | |
152 | tpcPID.MakePID(esd); | |
153 | } | |
154 | ||
155 | ||
156 | //_____________________________________________________________________________ | |
3d37b790 | 157 | AliTPCParam* AliTPCReconstructor::GetTPCParam(AliRunLoader* /*runLoader*/) const |
59697224 | 158 | { |
159 | // get the TPC parameters | |
160 | ||
3d37b790 | 161 | // TDirectory* saveDir = gDirectory; |
162 | //runLoader->CdGAFile(); | |
6d75e4b6 | 163 | |
3d37b790 | 164 | AliTPCParam* param = AliTPCcalibDB::Instance()->GetParameters(); |
6d75e4b6 | 165 | |
3d37b790 | 166 | // AliTPCParam* param = (AliTPCParam*) gDirectory->Get("75x40_100x60_150x60"); |
167 | // if (!param) Error("GetTPCParam", "no TPC parameters found"); | |
168 | ||
169 | // saveDir->cd(); | |
6d75e4b6 | 170 | return param; |
59697224 | 171 | } |