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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-2009, 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 | // Test task | |
21 | // | |
22 | // ///////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <TTree.h> | |
25 | #include <TChain.h> | |
26 | ||
27 | #include "AliLog.h" | |
28 | #include "AliESDInputHandler.h" | |
29 | #include "AliESDtrack.h" | |
30 | #include "AliESDEvent.h" | |
31 | #include "AliESDfriend.h" | |
32 | #include "AliAnalysisTaskFilter.h" | |
33 | #include "AliAnalysisManager.h" | |
34 | #include "AliAnalysisTaskFilterFriendSecond.h" | |
35 | ||
36 | ||
37 | ClassImp(AliAnalysisTaskFilterFriendSecond) | |
38 | ||
39 | ||
40 | //________________________________________________________________________ | |
41 | AliAnalysisTaskFilterFriendSecond::AliAnalysisTaskFilterFriendSecond(): | |
42 | AliAnalysisTaskFilter(), | |
43 | fESDInput(0), | |
44 | fESDfriendInput(0) | |
45 | { | |
46 | // Constructor | |
47 | ||
48 | // Define input and output slots here | |
49 | // Input slot #0 works with a TChain | |
50 | DefineInput(0, TChain::Class()); | |
51 | // Output slot #0 writes into a TTree | |
52 | // DefineOutput(0,TTree::Class()); | |
53 | } | |
54 | ||
55 | //________________________________________________________________________ | |
56 | AliAnalysisTaskFilterFriendSecond::AliAnalysisTaskFilterFriendSecond(const char* name): | |
57 | AliAnalysisTaskFilter(name), | |
58 | fESDInput(0), | |
59 | fESDfriendInput(0) | |
60 | { | |
61 | // Constructor | |
62 | ||
63 | // Define input and output slots here | |
64 | // Input slot #0 works with a TChain | |
65 | DefineInput(0, TChain::Class()); | |
66 | // Output slot #0 writes into a TTree | |
67 | //DefineOutput(0,TTree::Class()); | |
68 | } | |
69 | ||
70 | //________________________________________________________________________ | |
71 | AliAnalysisTaskFilterFriendSecond::~AliAnalysisTaskFilterFriendSecond() | |
72 | { | |
73 | ||
74 | // dtor | |
75 | ||
76 | } | |
77 | ||
78 | //________________________________________________________________________ | |
79 | void AliAnalysisTaskFilterFriendSecond::Init() | |
80 | { | |
81 | // Initialization | |
82 | ||
83 | return; | |
84 | } | |
85 | ||
86 | //________________________________________________________________________ | |
87 | void AliAnalysisTaskFilterFriendSecond::UserCreateOutputObjects() | |
88 | { | |
89 | // | |
90 | // Create the output container | |
91 | // | |
92 | ||
93 | return; | |
94 | } | |
95 | ||
96 | //________________________________________________________________________ | |
97 | void AliAnalysisTaskFilterFriendSecond::UserExec(Option_t */*option*/) | |
98 | { | |
99 | ||
100 | // | |
101 | // Filtering Friends | |
102 | // | |
103 | ||
104 | fESDInput = dynamic_cast<AliESDEvent*>(InputEvent()); // get the input ESD | |
105 | fESDfriendInput = InputFriend(); // get the input friend | |
106 | if(!fESDInput) { | |
107 | printf("AliAnalysisTaskFilterFriendSecond::Exec(): no ESD \n"); | |
108 | return; | |
109 | } | |
110 | if(!fESDfriendInput) { | |
111 | printf("AliAnalysisTaskFilterFriendSecond::Exec(): no ESDfriend \n"); | |
112 | return; | |
113 | } | |
114 | // attach ESDfriend | |
115 | ||
116 | AliESDfriend* esdFriendOutput = (AliESDfriend*)ESDfriend(); | |
117 | AliDebug(3,Form("Number of ESD tracks in input = %d ",fESDInput->GetNumberOfTracks())); | |
118 | AliDebug(3,Form("Number of tracks in input friends = %d ",fESDfriendInput->GetNumberOfTracks())); | |
119 | AliDebug(3,Form("Number of tracks in output friendsNew before filtering = %d ",esdFriendOutput->GetNumberOfTracks())); | |
120 | ||
121 | for (Int_t i = 0; i< fESDInput->GetNumberOfTracks(); i++){ | |
122 | if (i%3 == 0){ | |
123 | // keep friend | |
124 | AliDebug(2,Form("Keeping %d-th track",i)); | |
125 | AliESDfriendTrack* tOld = (AliESDfriendTrack*)fESDfriendInput->GetTrack(i); | |
126 | // debugging printouts | |
127 | AliDebug(3,Form("1P of the %d-th track = %f",i,tOld->Get1P())); | |
128 | AddFriendTrackAt(tOld,i); | |
129 | // tOld->Dump(); | |
130 | } | |
131 | else { | |
132 | //discard friend | |
133 | SkipFriendTrackAt(i); | |
134 | } | |
135 | } | |
136 | AliDebug(2,Form("Number of tracks in output friendsNew after filtering with GetEntries() = %d ",esdFriendOutput->GetEntriesInTracks())); | |
137 | return; | |
138 | } | |
139 | ||
140 | //________________________________________________________________________ | |
141 | void AliAnalysisTaskFilterFriendSecond::Terminate(Option_t */*option*/) | |
142 | { | |
143 | // Terminate analysis | |
144 | // | |
145 | AliDebug(2,"AliAnalysisTaskFilterFriendSecond: Terminate() \n"); | |
146 | ||
147 | return; | |
148 | } | |
149 | //________________________________________________________________________ | |
150 | Bool_t AliAnalysisTaskFilterFriendSecond::UserSelectESDfriendForCurrentEvent() | |
151 | { | |
152 | // | |
153 | // Selecting or discarding current event | |
154 | // | |
155 | ||
156 | /* | |
157 | fESDInput = dynamic_cast<AliESDEvent*>(InputEvent()); // get the input ESD | |
158 | if ((fESDInput->GetNumberOfTracks())%2 == 1){ | |
159 | AliDebug(2,"****************Selecting event"); | |
160 | return kTRUE; | |
161 | } | |
162 | ||
163 | AliDebug(2,"****************Discarding event"); | |
164 | return kFALSE; | |
165 | */ | |
166 | AliDebug(2,"****************Selecting event"); | |
167 | return kTRUE; | |
168 | } |