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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 "TFile.h" | |
25 | ||
26 | #include "AliLog.h" | |
27 | #include "AliRawReader.h" | |
28 | #include "AliRunLoader.h" | |
29 | ||
30 | #include "AliTOFClusterFinder.h" | |
31 | #include "AliTOFGeometry.h" | |
32 | #include "AliTOFtrackerMI.h" | |
33 | #include "AliTOFtracker.h" | |
34 | #include "AliTOFReconstructor.h" | |
35 | ||
36 | class TTree; | |
37 | ||
38 | class AliESD; | |
39 | ||
40 | extern TDirectory *gDirectory; | |
41 | extern TFile *gFile; | |
42 | ||
43 | ClassImp(AliTOFReconstructor) | |
44 | ||
45 | //_____________________________________________________________________________ | |
46 | void AliTOFReconstructor::Reconstruct(AliRunLoader* runLoader) const | |
47 | { | |
48 | // reconstruct clusters from digits | |
49 | ||
50 | AliTOFClusterFinder tofClus(runLoader); | |
51 | tofClus.Load(); | |
52 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) | |
53 | { | |
54 | tofClus.Digits2RecPoints(iEvent); | |
55 | } | |
56 | tofClus.UnLoad(); | |
57 | ||
58 | } | |
59 | ||
60 | //_____________________________________________________________________________ | |
61 | void AliTOFReconstructor::Reconstruct(AliRunLoader* runLoader, | |
62 | AliRawReader *rawReader) const | |
63 | { | |
64 | // reconstruct clusters from Raw Data | |
65 | ||
66 | AliTOFClusterFinder tofClus(runLoader); | |
67 | tofClus.LoadClusters(); | |
68 | Int_t iEvent = 0; | |
69 | while (rawReader->NextEvent()) { | |
70 | tofClus.Digits2RecPoints(iEvent,rawReader); | |
71 | //tofClus.Raw2Digits(iEvent,rawReader); // temporary solution | |
72 | iEvent++; | |
73 | } | |
74 | tofClus.UnLoadClusters(); | |
75 | ||
76 | } | |
77 | ||
78 | //_____________________________________________________________________________ | |
79 | void AliTOFReconstructor::Reconstruct(AliRawReader *rawReader, | |
80 | TTree *clustersTree) const | |
81 | { | |
82 | // reconstruct clusters from Raw Data | |
83 | ||
84 | AliTOFClusterFinder tofClus; | |
85 | tofClus.Digits2RecPoints(rawReader, clustersTree); | |
86 | ||
87 | } | |
88 | ||
89 | //_____________________________________________________________________________ | |
90 | AliTracker* AliTOFReconstructor::CreateTracker(AliRunLoader* runLoader) const | |
91 | { | |
92 | // create a TOF tracker | |
93 | ||
94 | AliTOFGeometry* geom = GetTOFGeometry(runLoader); | |
95 | if (!geom) return NULL; | |
96 | // Double_t parPID[] = {130., 5.}; | |
97 | Double_t parPID[] = {80., 5.}; | |
98 | TString selectedTracker = GetOption(); | |
99 | // use MI tracker if selected | |
100 | if (selectedTracker.Contains("MI")) return new AliTOFtrackerMI(geom,parPID); | |
101 | ||
102 | return new AliTOFtracker(geom, parPID); | |
103 | } | |
104 | ||
105 | //_____________________________________________________________________________ | |
106 | void AliTOFReconstructor::FillESD(AliRunLoader* /*runLoader*/, | |
107 | AliESD* /*esd*/) const | |
108 | { | |
109 | // nothing to be done | |
110 | ||
111 | } | |
112 | ||
113 | //_____________________________________________________________________________ | |
114 | AliTOFGeometry* AliTOFReconstructor::GetTOFGeometry(AliRunLoader* runLoader) const | |
115 | { | |
116 | // get the TOF parameters | |
117 | ||
118 | AliTOFGeometry *tofGeom; | |
119 | ||
120 | runLoader->CdGAFile(); | |
121 | TDirectory *savedir=gDirectory; | |
122 | TFile *in=(TFile*)gFile; | |
123 | if (!in->IsOpen()) { | |
124 | AliWarning("Geometry file is not open default TOF geometry will be used"); | |
125 | tofGeom = new AliTOFGeometry(); | |
126 | } | |
127 | else { | |
128 | in->cd(); | |
129 | tofGeom = (AliTOFGeometry*) in->Get("TOFgeometry"); | |
130 | } | |
131 | ||
132 | savedir->cd(); | |
133 | ||
134 | if (!tofGeom) { | |
135 | AliError("no TOF geometry available"); | |
136 | return NULL; | |
137 | } | |
138 | return tofGeom; | |
139 | } |