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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" | |
32 | ||
33 | ||
34 | ClassImp(AliTPCReconstructor) | |
35 | ||
8018bb90 | 36 | Double_t AliTPCReconstructor::fgCtgRange = 1.05; |
59697224 | 37 | |
38 | //_____________________________________________________________________________ | |
39 | void AliTPCReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
40 | { | |
41 | // reconstruct clusters | |
42 | ||
43 | AliLoader* loader = runLoader->GetLoader("TPCLoader"); | |
44 | if (!loader) { | |
45 | Error("Reconstruct", "TPC loader not found"); | |
46 | return; | |
47 | } | |
48 | loader->LoadRecPoints("recreate"); | |
49 | loader->LoadDigits("read"); | |
50 | ||
51 | AliTPCParam* param = GetTPCParam(runLoader); | |
52 | if (!param) return; | |
53 | AliTPCclustererMI clusterer(param); | |
54 | Int_t nEvents = runLoader->GetNumberOfEvents(); | |
55 | ||
56 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
57 | runLoader->GetEvent(iEvent); | |
58 | ||
59 | TTree* treeClusters = loader->TreeR(); | |
60 | if (!treeClusters) { | |
61 | loader->MakeTree("R"); | |
62 | treeClusters = loader->TreeR(); | |
63 | } | |
64 | TTree* treeDigits = loader->TreeD(); | |
65 | if (!treeDigits) { | |
66 | Error("Reconstruct", "Can't get digits tree !"); | |
67 | return; | |
68 | } | |
69 | ||
70 | clusterer.SetInput(treeDigits); | |
71 | clusterer.SetOutput(treeClusters); | |
72 | clusterer.Digits2Clusters(); | |
73 | ||
74 | loader->WriteRecPoints("OVERWRITE"); | |
75 | } | |
76 | ||
77 | loader->UnloadRecPoints(); | |
78 | loader->UnloadDigits(); | |
79 | } | |
80 | ||
38e6e547 | 81 | //_____________________________________________________________________________ |
82 | void AliTPCReconstructor::Reconstruct(AliRunLoader* runLoader, | |
83 | AliRawReader* rawReader) const | |
84 | { | |
85 | // reconstruct clusters from raw data | |
86 | ||
87 | AliLoader* loader = runLoader->GetLoader("TPCLoader"); | |
88 | if (!loader) { | |
89 | Error("Reconstruct", "TPC loader not found"); | |
90 | return; | |
91 | } | |
92 | loader->LoadRecPoints("recreate"); | |
93 | ||
94 | AliTPCParam* param = GetTPCParam(runLoader); | |
95 | if (!param) return; | |
96 | AliTPCclustererMI clusterer(param); | |
97 | ||
98 | Int_t iEvent = 0; | |
99 | while (rawReader->NextEvent()) { | |
100 | runLoader->GetEvent(iEvent++); | |
101 | ||
102 | TTree* treeClusters = loader->TreeR(); | |
103 | if (!treeClusters) { | |
104 | loader->MakeTree("R"); | |
105 | treeClusters = loader->TreeR(); | |
106 | } | |
107 | ||
108 | clusterer.SetOutput(treeClusters); | |
109 | clusterer.Digits2Clusters(rawReader); | |
110 | ||
111 | loader->WriteRecPoints("OVERWRITE"); | |
112 | } | |
113 | ||
114 | loader->UnloadRecPoints(); | |
115 | } | |
116 | ||
59697224 | 117 | //_____________________________________________________________________________ |
118 | AliTracker* AliTPCReconstructor::CreateTracker(AliRunLoader* runLoader) const | |
119 | { | |
120 | // create a TPC tracker | |
121 | ||
122 | AliTPCParam* param = GetTPCParam(runLoader); | |
123 | if (!param) return NULL; | |
124 | return new AliTPCtrackerMI(param); | |
125 | } | |
126 | ||
127 | //_____________________________________________________________________________ | |
128 | void AliTPCReconstructor::FillESD(AliRunLoader* /*runLoader*/, | |
129 | AliESD* esd) const | |
130 | { | |
131 | // make PID | |
132 | ||
133 | Double_t parTPC[] = {47., 0.10, 10.}; | |
134 | AliTPCpidESD tpcPID(parTPC); | |
135 | tpcPID.MakePID(esd); | |
136 | } | |
137 | ||
138 | ||
139 | //_____________________________________________________________________________ | |
140 | AliTPCParam* AliTPCReconstructor::GetTPCParam(AliRunLoader* runLoader) const | |
141 | { | |
142 | // get the TPC parameters | |
143 | ||
6d75e4b6 | 144 | TDirectory* saveDir = gDirectory; |
145 | runLoader->CdGAFile(); | |
146 | ||
147 | AliTPCParam* param = (AliTPCParam*) gDirectory->Get("75x40_100x60_150x60"); | |
148 | if (!param) Error("GetTPCParam", "no TPC parameters found"); | |
149 | ||
150 | saveDir->cd(); | |
151 | return param; | |
59697224 | 152 | } |