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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 | // Clusterization class for IHEP reconstruction. | |
20 | // Performs clusterization (collects neighbouring active cells) | |
21 | // It differs from AliPHOSClusterizerv1 in neighbour definition only | |
22 | //*-- Author: Boris Polichtchouk, IHEP | |
23 | ||
24 | // --- ROOT system --- | |
25 | #include "TBenchmark.h" | |
26 | ||
27 | // --- Standard library --- | |
28 | ||
29 | // --- AliRoot header files --- | |
30 | #include "AliLog.h" | |
31 | #include "AliPHOSClusterizerv2.h" | |
32 | #include "AliPHOSEvalRecPoint.h" | |
33 | #include "AliPHOSRecCpvManager.h" | |
34 | #include "AliPHOSRecEmcManager.h" | |
35 | #include "AliPHOSGeometry.h" | |
36 | #include "AliPHOSDigit.h" | |
37 | ||
38 | ClassImp(AliPHOSClusterizerv2) | |
39 | ||
40 | //____________________________________________________________________________ | |
41 | AliPHOSClusterizerv2::AliPHOSClusterizerv2() : AliPHOSClusterizerv1() | |
42 | {} | |
43 | ||
44 | //____________________________________________________________________________ | |
45 | AliPHOSClusterizerv2::AliPHOSClusterizerv2(AliPHOSGeometry *geom): | |
46 | AliPHOSClusterizerv1(geom) | |
47 | {} | |
48 | ||
49 | //____________________________________________________________________________ | |
50 | void AliPHOSClusterizerv2::GetNumberOfClustersFound(int* numb) const | |
51 | { | |
52 | // Returns the number of found EMC and CPV rec.points | |
53 | ||
54 | numb[0] = fEMCRecPoints->GetEntries(); | |
55 | numb[1] = fCPVRecPoints->GetEntries(); | |
56 | } | |
57 | ||
58 | //____________________________________________________________________________ | |
59 | void AliPHOSClusterizerv2::Digits2Clusters(Option_t* option) | |
60 | { | |
61 | // Steering method | |
62 | ||
63 | if(strstr(option,"tim")) | |
64 | gBenchmark->Start("PHOSClusterizer"); | |
65 | ||
66 | if(strstr(option,"print")) | |
67 | Print() ; | |
68 | } | |
69 | // AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
70 | ||
71 | // TFolder* wPoolF = gime->PhosLoader()->GetDetectorDataFolder(); | |
72 | ||
73 | // TObjArray* wPool = new TObjArray(400); | |
74 | // wPool->SetName("SmartPoints"); | |
75 | // wPoolF->Add(wPool); | |
76 | // wPoolF->Add(this); | |
77 | ||
78 | // Int_t nevents = gime->MaxEvent() ; | |
79 | // Int_t ievent ; | |
80 | ||
81 | // for(ievent = 0; ievent<nevents; ievent++) { | |
82 | ||
83 | // gime->Event(ievent,"D") ; | |
84 | ||
85 | // AliInfo(Form("MakeClusters invoked..")) ; | |
86 | // MakeClusters() ; | |
87 | // AliInfo(Form("MakeClusters done.")) ; | |
88 | ||
89 | ||
90 | // //SmartRecPoints will communicate with wPool. | |
91 | ||
92 | // AliPHOSEvalRecPoint* rp=0; | |
93 | ||
94 | // // CPV reconstruction | |
95 | ||
96 | // AliPHOSRecCpvManager* recCpv = new AliPHOSRecCpvManager(); | |
97 | // wPoolF->Add(recCpv); | |
98 | ||
99 | // Int_t iPoint; //loop variable | |
100 | ||
101 | // for(iPoint=0; iPoint<gime->CpvRecPoints()->GetEntriesFast(); iPoint++) { | |
102 | // rp = new AliPHOSEvalRecPoint(iPoint, kTRUE); | |
103 | // rp->MakeJob(); | |
104 | // } | |
105 | ||
106 | // AliPHOSEvalRecPoint pt; | |
107 | // pt.UpdateWorkingPool(); | |
108 | ||
109 | // TObjArray * cpvRecPoints = gime->CpvRecPoints() ; | |
110 | // Int_t nOldCpv = cpvRecPoints->GetEntries(); | |
111 | // cpvRecPoints->Delete(); | |
112 | // cpvRecPoints->Compress(); | |
113 | ||
114 | // Int_t i; //loop variable | |
115 | ||
116 | // for(i=0; i<wPool->GetEntries(); i++) | |
117 | // cpvRecPoints->Add(wPool->At(i)); | |
118 | ||
119 | // wPool->Clear(); | |
120 | // wPool->Compress(); | |
121 | ||
122 | // wPoolF->Remove(recCpv); | |
123 | // delete recCpv; | |
124 | ||
125 | // AliInfo(Form(" %d", gime->CpvRecPoints()->GetEntries() )) ; | |
126 | // AliInfo(Form(" %d cpvRecPoints", cpvRecPoints->GetEntries() )) ; | |
127 | ||
128 | ||
129 | // // Now Emc reconstruction | |
130 | ||
131 | // AliPHOSRecEmcManager* recEmc = new AliPHOSRecEmcManager(); | |
132 | // wPoolF->Add(recEmc); | |
133 | ||
134 | // for(iPoint=0; iPoint<gime->EmcRecPoints()->GetEntriesFast(); iPoint++) { | |
135 | // rp = new AliPHOSEvalRecPoint(iPoint, kFALSE); | |
136 | // rp->MakeJob(); | |
137 | // } | |
138 | ||
139 | // pt.UpdateWorkingPool(); | |
140 | ||
141 | // TObjArray * emcRecPoints = gime->EmcRecPoints() ; | |
142 | // Int_t nOldEmc = emcRecPoints->GetEntries(); | |
143 | // emcRecPoints->Delete(); | |
144 | // emcRecPoints->Compress(); | |
145 | ||
146 | // for(i=0; i<wPool->GetEntries(); i++) | |
147 | // emcRecPoints->Add(wPool->At(i)); | |
148 | ||
149 | // wPool->Clear(); | |
150 | // wPool->Compress(); | |
151 | ||
152 | // wPoolF->Remove(recEmc); | |
153 | // delete recEmc; | |
154 | ||
155 | // TString message ; | |
156 | // message = " %d OLD cpvRecPoints\n" ; | |
157 | // message += " %d\n" ; | |
158 | // message += " %d cpvRecPoints\n" ; | |
159 | ||
160 | // message += " %d OLD emcRecPoints " ; | |
161 | // message += " %d\n" ; | |
162 | // message += " %d emcRecPoints\n" ; | |
163 | ||
164 | // AliInfo(Form("%s", message.Data(), | |
165 | // nOldCpv, | |
166 | // gime->CpvRecPoints()->GetEntries(),cpvRecPoints->GetEntries(), | |
167 | // nOldEmc, | |
168 | // gime->EmcRecPoints()->GetEntries(), emcRecPoints->GetEntries() )); | |
169 | ||
170 | ||
171 | // WriteRecPoints(); | |
172 | ||
173 | ||
174 | // } // loop over events | |
175 | ||
176 | // if(strstr(option,"tim")) { | |
177 | // gBenchmark->Stop("PHOSClusterizer"); | |
178 | // AliInfo(Form("took %f seconds for Clusterizing", gBenchmark->GetCpuTime("PHOSClusterizer") )) ; | |
179 | // } | |
180 | // } | |
181 | ||
182 | //____________________________________________________________________________ | |
183 | Int_t AliPHOSClusterizerv2::AreNeighbours(AliPHOSDigit* d1, AliPHOSDigit* d2) const | |
184 | { | |
185 | // Points are neighbours if they have common edge. | |
186 | // Points with common vertex are NOT neighbours. | |
187 | // This treatment of neighbourship is the part of | |
188 | // IHEP algorithm of clusterization. | |
189 | ||
190 | // Gives the neighbourness of two digits = 0 are not neighbour but continue searching | |
191 | // = 1 are neighbour | |
192 | // = 2 are not neighbour but do not continue searching | |
193 | // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster | |
194 | // which is compared to a digit (d2) not yet in a cluster | |
195 | ||
196 | Int_t rv = 0 ; | |
197 | ||
198 | Int_t relid1[4] ; | |
199 | fGeom->AbsToRelNumbering(d1->GetId(), relid1) ; | |
200 | ||
201 | Int_t relid2[4] ; | |
202 | fGeom->AbsToRelNumbering(d2->GetId(), relid2) ; | |
203 | ||
204 | if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same PHOS module and the same PPSD Module | |
205 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; | |
206 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
207 | ||
208 | if ( ( (coldiff < 1) && (rowdiff <= 1) ) || ( ( coldiff <= 1 ) && ( rowdiff < 1 ) ) ){ | |
209 | rv = 1 ; | |
210 | } | |
211 | else { | |
212 | if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1)) | |
213 | rv = 2; // Difference in row numbers is too large to look further | |
214 | } | |
215 | ||
216 | } | |
217 | else { | |
218 | ||
219 | if( (relid1[0] < relid2[0]) || (relid1[1] < relid2[1]) ) | |
220 | rv=2 ; | |
221 | ||
222 | } | |
223 | ||
224 | return rv ; | |
225 | ||
226 | } |