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e10815f1 | 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 | // high level filter algorithm for TPC using a hough transformation // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | ||
25 | #include <TStopwatch.h> | |
26 | ||
27 | #include "AliL3StandardIncludes.h" | |
28 | #include "AliL3Logging.h" | |
29 | #include "AliL3Transform.h" | |
30 | #include "AliL3Hough.h" | |
31 | #include "AliLog.h" | |
32 | ||
33 | #include "AliHoughFilter.h" | |
34 | ||
35 | ||
36 | ClassImp(AliHoughFilter) | |
37 | ||
38 | //_____________________________________________________________________________ | |
39 | AliHoughFilter::AliHoughFilter() | |
40 | { | |
41 | // default constructor | |
42 | ||
43 | AliL3Log::fgLevel = AliL3Log::kError; | |
44 | if (AliDebugLevel() > 0) AliL3Log::fgLevel = AliL3Log::kWarning; | |
45 | if (AliDebugLevel() > 1) AliL3Log::fgLevel = AliL3Log::kInformational; | |
46 | if (AliDebugLevel() > 2) AliL3Log::fgLevel = AliL3Log::kDebug; | |
47 | if (!AliL3Transform::Init("./", kFALSE)) { | |
48 | AliError("HLT initialization failed!"); | |
49 | } | |
50 | } | |
51 | ||
52 | //_____________________________________________________________________________ | |
53 | Bool_t AliHoughFilter::Filter(AliRawEvent* event, AliESD* esd) | |
54 | { | |
55 | // TPC hough transformation | |
56 | ||
57 | TStopwatch timer; | |
58 | timer.Start(); | |
59 | ||
60 | Float_t ptmin = 0.1*AliL3Transform::GetSolenoidField(); | |
61 | ||
62 | AliL3Hough *hough1 = new AliL3Hough(); | |
63 | ||
64 | hough1->SetThreshold(4); | |
65 | hough1->CalcTransformerParams(ptmin); | |
66 | hough1->SetPeakThreshold(70,-1); | |
67 | // Attention Z of the vertex to be taken from the event head! | |
68 | // So far for debug purposes it is fixed by hand... | |
69 | hough1->Init(100,4,event,3.82147); | |
70 | hough1->SetAddHistograms(); | |
71 | ||
72 | AliL3Hough *hough2 = new AliL3Hough(); | |
73 | ||
74 | hough2->SetThreshold(4); | |
75 | hough2->CalcTransformerParams(ptmin); | |
76 | hough2->SetPeakThreshold(70,-1); | |
77 | hough2->Init(100,4,event,3.82147); | |
78 | hough2->SetAddHistograms(); | |
79 | ||
80 | Int_t nglobaltracks = 0; | |
81 | /* In case we run HLT code in 2 threads */ | |
82 | hough1->StartProcessInThread(0,17); | |
83 | hough2->StartProcessInThread(18,35); | |
84 | ||
85 | if(hough1->WaitForThreadFinish()) | |
86 | AliFatal(" Can not join the required thread! "); | |
87 | if(hough2->WaitForThreadFinish()) | |
88 | AliFatal(" Can not join the required thread! "); | |
89 | ||
90 | /* In case we run HLT code in the main thread | |
91 | for(Int_t slice=0; slice<=17; slice++) | |
92 | { | |
93 | hough1->ReadData(slice,0); | |
94 | hough1->Transform(); | |
95 | hough1->AddAllHistogramsRows(); | |
96 | hough1->FindTrackCandidatesRow(); | |
97 | hough1->AddTracks(); | |
98 | } | |
99 | for(Int_t slice=18; slice<=35; slice++) | |
100 | { | |
101 | hough2->ReadData(slice,0); | |
102 | hough2->Transform(); | |
103 | hough2->AddAllHistogramsRows(); | |
104 | hough2->FindTrackCandidatesRow(); | |
105 | hough2->AddTracks(); | |
106 | } | |
107 | */ | |
108 | ||
109 | nglobaltracks += hough1->FillESD(esd); | |
110 | nglobaltracks += hough2->FillESD(esd); | |
111 | ||
112 | /* In case we want to debug the ESD | |
113 | gSystem->MakeDirectory("hough1"); | |
114 | hough1->WriteTracks("./hough1"); | |
115 | gSystem->MakeDirectory("hough2"); | |
116 | hough2->WriteTracks("./hough2"); | |
117 | */ | |
118 | ||
119 | delete hough1; | |
120 | delete hough2; | |
121 | ||
122 | printf("Filter has found %d TPC tracks in %f seconds\n", nglobaltracks,timer.RealTime()); | |
123 | ||
124 | return kFALSE; | |
125 | } |