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108615fc | 1 | |
2 | //Author: Uli Frankenfeld | |
3 | //Last Modified: 06.12.2000 | |
4 | ||
5 | #include <math.h> | |
6 | #include <iostream.h> | |
7 | #include "AliL3Logging.h" | |
8 | #include "AliL3InterMerger.h" | |
9 | #include "AliL3Track.h" | |
10 | #include "AliL3TrackSegmentData.h" | |
11 | #include "AliL3Transform.h" | |
12 | #include "AliL3TrackArray.h" | |
13 | ||
14 | //_____________________________________________________________ | |
15 | // | |
16 | // The L3 track segment merger | |
17 | // | |
18 | ||
19 | ClassImp(AliL3InterMerger) | |
20 | ||
21 | AliL3InterMerger::AliL3InterMerger():AliL3Merger(1){ | |
22 | //Default constructor | |
23 | Is2Global(kFALSE); | |
24 | SetParameter(2,2,.3,.3,.3); | |
25 | fRowMax = fRowMin = 0; | |
26 | } | |
27 | ||
28 | ||
29 | AliL3InterMerger::~AliL3InterMerger(){ | |
30 | //Destructor | |
31 | ||
32 | } | |
33 | ||
34 | void AliL3InterMerger::SlowMerge(){ | |
35 | Int_t nrow= fRowMax-fRowMin+1; | |
36 | void *ntuple=GetNtuple(); | |
37 | AliL3TrackArray * tracks = GetInTracks(0); | |
38 | const Int_t kNIn =tracks->GetNTracks(); | |
39 | AliL3Track *tr[2]; | |
40 | Bool_t merge = kTRUE; | |
41 | for(Int_t in=0;in<kNIn;in++) | |
42 | tracks->GetCheckedTrack(in)->CalculateHelix(); | |
43 | while(merge){ | |
44 | Int_t inmin=-1,outmin=-1; | |
45 | Double_t min=10; | |
46 | for(Int_t out=0;out<kNIn;out++){ | |
47 | AliL3Track *outertrack=tracks->GetCheckedTrack(out); | |
48 | if(!outertrack) continue; | |
49 | for(Int_t in=0;in<kNIn;in++){ | |
50 | if(in==out) continue; | |
51 | AliL3Track *innertrack=tracks->GetCheckedTrack(in); | |
52 | if(!innertrack) continue; | |
53 | if(outertrack->GetNHits()+innertrack->GetNHits()>nrow) continue; | |
54 | ||
55 | Double_t diff = TrackDiff(innertrack,outertrack); | |
56 | ||
57 | if(diff>=0&&diff<min){ | |
58 | min=diff; | |
59 | inmin=in; | |
60 | outmin=out; | |
61 | } | |
62 | } | |
63 | } | |
64 | if(inmin>=0&&outmin>=0){ | |
65 | AliL3Track *outertrack=tracks->GetTrack(outmin); | |
66 | AliL3Track *innertrack=tracks->GetTrack(inmin); | |
67 | tr[0]=innertrack; | |
68 | tr[1]=outertrack; | |
69 | SortTracks(tr,2); | |
70 | MultiMerge(tracks,tr,2); | |
71 | outertrack->CalculatePoint(tr[0]->GetLastPointX()); | |
72 | innertrack->CalculatePoint(tr[0]->GetLastPointX()); | |
73 | PrintDiff(innertrack,outertrack); | |
74 | FillNtuple(ntuple,innertrack,outertrack); | |
75 | tracks->Remove(outmin); | |
76 | tracks->Remove(inmin); | |
77 | } | |
78 | else merge = kFALSE; | |
79 | } | |
80 | LOG(AliL3Log::kInformational,"AliL3InterMerger::SlowMerge","Result") | |
81 | <<AliL3Log::kDec<<"Merged Tracks: "<<tracks->GetNTracks()-kNIn<<ENDLOG; | |
82 | ||
83 | char name[256]; | |
84 | sprintf(name,"ntuple_i_%d.root",fPatch); | |
85 | WriteNtuple(name,ntuple); | |
86 | } | |
87 | ||
88 | void AliL3InterMerger::MMerge(){ | |
89 | while(Merge()); | |
90 | GetOutTracks()->AddTracks(GetInTracks(0)); | |
91 | } | |
92 | ||
93 | Int_t AliL3InterMerger::Merge(){ | |
94 | Int_t nrow= fRowMax-fRowMin+1; | |
95 | Double_t xval =fTransformer->Row2X((fRowMax+fRowMin)/2); | |
96 | AliL3TrackArray * tracks = GetInTracks(0); | |
97 | const Int_t kNIn =tracks->GetNTracks(); | |
98 | AliL3Track *tr[2]; | |
99 | for(Int_t in=0;in<kNIn;in++){ | |
100 | AliL3Track *t = tracks->GetCheckedTrack(in); | |
101 | if(t){ | |
102 | t->CalculateHelix(); | |
103 | t->CalculatePoint(xval); | |
104 | } | |
105 | } | |
106 | for(Int_t out=0;out<kNIn;out++){ | |
107 | AliL3Track *outertrack=tracks->GetCheckedTrack(out); | |
108 | if(!outertrack) continue; | |
109 | for(Int_t in=0;in<kNIn;in++){ | |
110 | if(in==out) continue; | |
111 | AliL3Track *innertrack=tracks->GetCheckedTrack(in); | |
112 | if(!innertrack) continue; | |
113 | if(outertrack->GetNHits()+innertrack->GetNHits()>nrow) continue; | |
114 | ||
115 | if(IsTrack(innertrack,outertrack)){ | |
116 | tr[0]=innertrack; | |
117 | tr[1]=outertrack; | |
118 | SortTracks(tr,2); | |
119 | if(tr[0]->GetLastPointX()<tr[1]->GetFirstPointX()){ | |
120 | MultiMerge(tracks,tr,2); | |
121 | tracks->Remove(out); | |
122 | tracks->Remove(in); | |
123 | break; | |
124 | } | |
125 | } | |
126 | } | |
127 | } | |
128 | Int_t nmerged = tracks->GetNTracks()-kNIn; | |
129 | LOG(AliL3Log::kInformational,"AliL3InterMerger::Merge","Result") | |
130 | <<AliL3Log::kDec<<"Merged Tracks: "<<nmerged<<ENDLOG; | |
131 | //add in tracks | |
132 | // GetOutTracks()->AddTracks(GetInTracks(0)); | |
133 | ||
134 | return nmerged; | |
135 | } | |
136 | ||
137 |