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29fc2c86 | 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 | // Macro MUONTracker.C (TO BE COMPILED) | |
17 | // for testing the C++ reconstruction code | |
18 | // Output is using aliroot standard output MUON.Tracks.root | |
19 | // The output is a TClonesArray of AliMUONTracks. | |
20 | // Allow to make track reconstruction directly from AliTrackReference hits | |
21 | // recorded in TrackRefs.root file. | |
22 | ||
23 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
24 | #include "AliRun.h" | |
25 | #include "AliMUON.h" | |
26 | #include "AliMUONData.h" | |
29f1b13a | 27 | #include "AliMUONTrackReconstructor.h" |
29fc2c86 | 28 | #endif |
29 | ||
30 | void MUONTracker (Int_t FirstEvent = 0, Int_t LastEvent = 9999, Text_t *FileName = "galice.root") | |
31 | { | |
32 | // | |
33 | cout << "MUONTracker" << endl; | |
34 | cout << "FirstEvent " << FirstEvent << endl; | |
35 | cout << "LastEvent " << LastEvent << endl; | |
36 | cout << "FileName ``" << FileName << "''" << endl; | |
37 | ||
38 | // Creating Run Loader and openning file containing Hits, Digits and RecPoints | |
39 | AliRunLoader * RunLoader = AliRunLoader::Open(FileName,"MUONLoader","UPDATE"); | |
40 | if (RunLoader ==0x0) { | |
41 | printf(">>> Error : Error Opening %s file \n",FileName); | |
42 | return; | |
43 | } | |
44 | // Loading AliRun master | |
45 | if (RunLoader->GetAliRun() == 0x0) RunLoader->LoadgAlice(); | |
46 | gAlice = RunLoader->GetAliRun(); | |
47 | RunLoader->LoadTrackRefs("READ"); | |
48 | ||
49 | // Loading MUON subsystem | |
50 | AliLoader * MUONLoader = RunLoader->GetLoader("MUONLoader"); | |
51 | ||
52 | MUONLoader->LoadTracks("UPDATE"); | |
53 | ||
54 | Int_t nevents; | |
55 | nevents = RunLoader->GetNumberOfEvents(); | |
56 | ||
29f1b13a | 57 | AliMUONTrackReconstructor* Reco = new AliMUONTrackReconstructor(MUONLoader); |
29fc2c86 | 58 | AliMUONData* muondata = Reco->GetMUONData(); |
59 | ||
60 | // Testing if Tracker has already been done | |
61 | RunLoader->GetEvent(0); | |
62 | if (MUONLoader->TreeT()) { | |
63 | if (muondata->IsTrackBranchesInTree()) { | |
64 | MUONLoader->UnloadTracks(); | |
65 | MUONLoader->LoadTracks("RECREATE"); | |
66 | printf("Recreating tracks files\n"); | |
67 | } | |
68 | } | |
69 | ||
29f1b13a | 70 | // The right place for changing AliMUONTrackReconstructor parameters |
29fc2c86 | 71 | // with respect to the default ones |
72 | // Reco->SetMaxSigma2Distance(100.0); | |
73 | // Reco->SetPrintLevel(20); | |
74 | Reco->SetPrintLevel(0); | |
75 | // Reco->SetBendingResolution(0.0); | |
76 | // Reco->SetNonBendingResolution(0.0); | |
77 | Reco->SetRecTrackRefHits(1); // 1: reconst. from track ref. hits 0: from clusters | |
78 | ||
79 | if (Reco->GetRecTrackRefHits() == 0) | |
80 | MUONLoader->LoadRecPoints("READ"); | |
81 | ||
82 | if (LastEvent > nevents-1) LastEvent=nevents-1; | |
83 | ||
84 | // Loop over events | |
85 | for (Int_t event = FirstEvent; event <= LastEvent; event++) { | |
86 | cout << "Event: " << event << endl; | |
87 | RunLoader->GetEvent(event); | |
88 | // Test if trigger track has already been done before | |
89 | if (MUONLoader->TreeT() == 0x0) { | |
90 | MUONLoader->MakeTracksContainer(); | |
91 | } else { | |
92 | if (muondata->IsTrackBranchesInTree()){ // Test if track has already been done before | |
93 | if (event==FirstEvent) MUONLoader->UnloadTracks(); | |
94 | MUONLoader->MakeTracksContainer(); // Redoing Tracking | |
95 | Info("TrackContainer","Recreating TrackContainer and deleting previous ones"); | |
96 | } | |
97 | } | |
98 | ||
99 | muondata->MakeBranch("RT"); | |
100 | muondata->SetTreeAddress("RT"); | |
101 | Reco->EventReconstruct(); | |
102 | ||
103 | muondata->Fill("RT"); | |
104 | MUONLoader->WriteTracks("OVERWRITE"); | |
105 | muondata->ResetRecTracks(); | |
106 | if (Reco->GetRecTrackRefHits() == 0) | |
107 | muondata->ResetRawClusters(); | |
108 | } // Event loop | |
109 | ||
110 | MUONLoader->UnloadRecPoints(); | |
111 | MUONLoader->UnloadTracks(); | |
112 | RunLoader->UnloadTrackRefs(); | |
113 | } |