removing deprecated components from registration
[u/mrichter/AliRoot.git] / HLT / TPCLib / AliHLTTPCInterMerger.cxx
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a6c02c85 1// @(#) $Id$
4aa41877 2// Original: AliHLTInterMerger.cxx,v 1.8 2005/06/14 10:55:21 cvetan
a6c02c85 3
2a083ac4 4/**************************************************************************
9be2600f 5 * This file is property of and copyright by the ALICE HLT Project *
6 * ALICE Experiment at CERN, All rights reserved. *
2a083ac4 7 * *
9be2600f 8 * Primary Authors: Uli Frankenfeld, maintained by *
9 * Matthias Richter <Matthias.Richter@ift.uib.no> *
10 * for The ALICE HLT Project. *
2a083ac4 11 * *
12 * Permission to use, copy, modify and distribute this software and its *
13 * documentation strictly for non-commercial purposes is hereby granted *
14 * without fee, provided that the above copyright notice appears in all *
15 * copies and that both the copyright notice and this permission notice *
16 * appear in the supporting documentation. The authors make no claims *
17 * about the suitability of this software for any purpose. It is *
18 * provided "as is" without express or implied warranty. *
19 **************************************************************************/
20
21/** @file AliHLTTPCInterMerger.cxx
22 @author Uli Frankenfeld, maintained by Matthias Richter
23 @date
24 @brief The HLT TPC track segment merger
25*/
a6c02c85 26
a6c02c85 27#include "AliHLTTPCLogging.h"
28#include "AliHLTTPCInterMerger.h"
29#include "AliHLTTPCTrack.h"
30#include "AliHLTTPCTrackSegmentData.h"
31#include "AliHLTTPCTransform.h"
32#include "AliHLTTPCTrackArray.h"
33
a6c02c85 34#if __GNUC__ >= 3
35using namespace std;
36#endif
37
38ClassImp(AliHLTTPCInterMerger)
39
40AliHLTTPCInterMerger::AliHLTTPCInterMerger()
e419b223 41 :
42 fPatch(0),
43 fRowMin(0),
44 fRowMax(0)
a6c02c85 45{
46 //Default constructor
47 InitMerger(1);
48 Is2Global(kFALSE);
49// SetParameter(2,2,.3,.3,.3);
50 SetParameter(1,0.5,0.0005,0.05,0.1);
a6c02c85 51}
52
53
54AliHLTTPCInterMerger::~AliHLTTPCInterMerger(){
55 //Destructor
56
57}
58
59void AliHLTTPCInterMerger::SlowMerge(){
60 Int_t nrow= fRowMax-fRowMin+1;
61 void *ntuple=GetNtuple();
62 AliHLTTPCTrackArray * tracks = GetInTracks(0);
63 const Int_t kNIn =tracks->GetNTracks();
64 AliHLTTPCTrack *tr[2];
65 Bool_t merge = kTRUE;
66 for(Int_t in=0;in<kNIn;in++)
1c9853d3 67 if (tracks->GetCheckedTrack(in)) tracks->GetCheckedTrack(in)->CalculateHelix();
a6c02c85 68 while(merge){
69 Int_t inmin=-1,outmin=-1;
70 Double_t min=10;
71 for(Int_t out=0;out<kNIn;out++){
72 AliHLTTPCTrack *outertrack=tracks->GetCheckedTrack(out);
73 if(!outertrack) continue;
74 for(Int_t in=0;in<kNIn;in++){
75 if(in==out) continue;
76 AliHLTTPCTrack *innertrack=tracks->GetCheckedTrack(in);
77 if(!innertrack) continue;
78 if(outertrack->GetNHits()+innertrack->GetNHits()>nrow) continue;
79
80 Double_t diff = TrackDiff(innertrack,outertrack);
81
82 if(diff>=0&&diff<min){
83 min=diff;
84 inmin=in;
85 outmin=out;
86 }
87 }
88 }
89 if(inmin>=0&&outmin>=0){
90 AliHLTTPCTrack *outertrack=tracks->GetTrack(outmin);
91 AliHLTTPCTrack *innertrack=tracks->GetTrack(inmin);
92 tr[0]=innertrack;
93 tr[1]=outertrack;
94 SortTracks(tr,2);
95 MultiMerge(tracks,tr,2);
96 outertrack->CalculatePoint(tr[0]->GetLastPointX());
97 innertrack->CalculatePoint(tr[0]->GetLastPointX());
98 PrintDiff(innertrack,outertrack);
99 FillNtuple(ntuple,innertrack,outertrack);
100 tracks->Remove(outmin);
101 tracks->Remove(inmin);
102 }
103 else merge = kFALSE;
104 }
105 LOG(AliHLTTPCLog::kInformational,"AliHLTTPCInterMerger::SlowMerge","Result")
106 <<AliHLTTPCLog::kDec<<"Merged Tracks: "<<tracks->GetNTracks()-kNIn<<ENDLOG;
107
1c9853d3 108 const int namelen=256;
109 char name[namelen];
110 snprintf(name,namelen,"ntuple_i_%d.root",fPatch);
a6c02c85 111 WriteNtuple(name,ntuple);
112}
113
114void AliHLTTPCInterMerger::MMerge(){
9d5f00ad 115 while(Merge()) {/*empty body*/};
a6c02c85 116 GetOutTracks()->AddTracks(GetInTracks(0));
117}
118
119Int_t AliHLTTPCInterMerger::Merge(){
120 Int_t nrow= fRowMax-fRowMin+1;
121 Double_t xval =AliHLTTPCTransform::Row2X((fRowMax+fRowMin)/2);
122 AliHLTTPCTrackArray * tracks = GetInTracks(0);
123 const Int_t kNIn =tracks->GetNTracks();
124 AliHLTTPCTrack *tr[2];
125 for(Int_t in=0;in<kNIn;in++){
126 AliHLTTPCTrack *t = tracks->GetCheckedTrack(in);
127 if(t){
128 t->CalculateHelix();
129 t->CalculatePoint(xval);
130 }
131 }
132 for(Int_t out=0;out<kNIn;out++){
133 AliHLTTPCTrack *outertrack=tracks->GetCheckedTrack(out);
134 if(!outertrack) continue;
135 for(Int_t in=0;in<kNIn;in++){
136 if(in==out) continue;
137 AliHLTTPCTrack *innertrack=tracks->GetCheckedTrack(in);
138 if(!innertrack) continue;
139 if(outertrack->GetNHits()+innertrack->GetNHits()>nrow) continue;
140
141 if(IsTrack(innertrack,outertrack)){
142 tr[0]=innertrack;
143 tr[1]=outertrack;
144 SortGlobalTracks(tr,2);
145
146 Double_t r0 = pow(tr[0]->GetLastPointX(),2)+
147 pow(tr[0]->GetLastPointY(),2);
148 Double_t r1 = pow(tr[1]->GetFirstPointX(),2)+
149 pow(tr[1]->GetFirstPointY(),2);
150 if(r0<r1){
151 MultiMerge(tracks,tr,2);
152 tracks->Remove(out);
153 tracks->Remove(in);
154 break;
155 }
156 }
157 }
158 }
159 Int_t nmerged = tracks->GetNTracks()-kNIn;
160 LOG(AliHLTTPCLog::kInformational,"AliHLTTPCInterMerger::Merge","Result")
161 <<AliHLTTPCLog::kDec<<"Merged Tracks: "<<nmerged<<ENDLOG;
162 //add in tracks
163// GetOutTracks()->AddTracks(GetInTracks(0));
164
165 return nmerged;
166}
167
168