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f0a0d075 | 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 | ||
fb17acd4 | 16 | /* $Header$ */ |
f0a0d075 | 17 | |
18 | //////////////////////////////////////////////////////////////////////// | |
19 | // | |
20 | // AliTrackMapper.cxx | |
21 | // description: | |
22 | // create an AliTrackMap - a relation between track label and | |
23 | // it's index in TreeH. Check all branches with hits. | |
24 | // Output is in the root file. | |
25 | // | |
26 | //////////////////////////////////////////////////////////////////////// | |
27 | ||
b16a1b1e | 28 | #include <Riostream.h> |
f0a0d075 | 29 | |
30 | #include "TTree.h" | |
31 | #include "TROOT.h" | |
32 | #include "TFile.h" | |
33 | #include "TBenchmark.h" | |
34 | #include "TStopwatch.h" | |
35 | ||
36 | #include "AliDetector.h" | |
37 | #include "AliTrackMapper.h" | |
38 | #include "AliTrackMap.h" | |
39 | #include "AliRun.h" | |
40 | #include "AliHit.h" | |
41 | ||
42 | ClassImp(AliTrackMapper) | |
43 | ||
e2afb3b6 | 44 | //_______________________________________________________________________ |
45 | AliTrackMapper::AliTrackMapper(): | |
46 | fDEBUG(0) | |
47 | { | |
48 | // | |
49 | // Default ctor | |
50 | // | |
51 | } | |
52 | ||
53 | ||
54 | //_______________________________________________________________________ | |
f0a0d075 | 55 | void AliTrackMapper::CreateMap(Int_t nEvents, Int_t firstEventNr, |
e2afb3b6 | 56 | const char* fnMap, const char* fnHits) |
f0a0d075 | 57 | { |
e2afb3b6 | 58 | // |
59 | // method to create a track map for a given number of events starting | |
60 | // from event firstEventNr. This method just opens and closes files and | |
61 | // loops over events, the creation of map is delegated to | |
62 | // CreateMap(Int_t eventNr, TFile* fileMap) method | |
63 | // | |
f0a0d075 | 64 | TStopwatch timer; |
65 | timer.Start(); | |
66 | ||
67 | TFile *fileMap=TFile::Open(fnMap,"new"); | |
68 | if (!fileMap->IsOpen()) {cerr<<"Can't open output file "<<fnMap<<"!\n"; return;} | |
e2afb3b6 | 69 | |
f0a0d075 | 70 | TFile *fileHits=TFile::Open(fnHits); |
71 | if (!fileHits->IsOpen()) {cerr<<"Can't open input file "<<fnHits<<"!\n"; return;} | |
e2afb3b6 | 72 | if (!(gAlice=dynamic_cast<AliRun*>(fileHits->Get("gAlice")))) { |
f0a0d075 | 73 | cerr<<"gAlice have not been found on galice.root !\n"; |
74 | return; | |
75 | } | |
e2afb3b6 | 76 | |
f0a0d075 | 77 | for (Int_t eventNr = firstEventNr; eventNr < firstEventNr+nEvents; |
78 | eventNr++) { | |
79 | CreateMap(eventNr,fileMap); | |
80 | } // end loop over events | |
e2afb3b6 | 81 | |
f0a0d075 | 82 | delete gAlice; |
83 | gAlice = 0; | |
84 | fileHits->Close(); | |
85 | delete fileHits; | |
86 | fileMap->Close(); | |
87 | delete fileMap; | |
88 | timer.Stop(); | |
89 | if (fDEBUG > 0) timer.Print(); | |
90 | } | |
91 | ||
e2afb3b6 | 92 | //_______________________________________________________________________ |
93 | Int_t AliTrackMapper::CreateMap(Int_t eventNr, TFile* fileMap) | |
94 | { | |
95 | // | |
96 | // create an AliTrackMap for a given event | |
97 | // correct gAlice must be already present in memory | |
98 | // | |
f0a0d075 | 99 | Int_t nGenPrimPlusSecParticles = gAlice->GetEvent(eventNr); |
100 | if (fDEBUG > 1) cout<<"nGenPrimPlusSecParticles = "<<nGenPrimPlusSecParticles<<endl; | |
101 | if (nGenPrimPlusSecParticles < 1) { | |
102 | cerr<<"No primary particles found in event "<<eventNr<<endl; | |
103 | return -1; | |
104 | } | |
105 | ||
106 | TTree *treeK = gAlice->TreeK(); | |
107 | if (!treeK) { | |
108 | cerr<<"Error: Event "<<eventNr<<", treeK not found."<<endl; | |
109 | return -1; | |
110 | } | |
111 | Int_t nAllParticles = static_cast<Int_t>(treeK->GetEntries()); | |
112 | Int_t *trackMap = new Int_t[nAllParticles]; | |
113 | for (Int_t i = 0; i<nAllParticles; i++) {trackMap[i] = kNoEntry;} | |
114 | ||
115 | TTree *treeH = gAlice->TreeH(); | |
116 | if (!treeH) { | |
117 | cerr<<"Error: Event "<<eventNr<<", treeH not found."<<endl; | |
118 | return -1; | |
119 | } | |
120 | Int_t treeHEntries = static_cast<Int_t>(treeH->GetEntries()); | |
121 | if (fDEBUG > 1) cout<<"treeHEntries "<<treeHEntries<<endl; | |
122 | ||
f0a0d075 | 123 | TObjArray *modules = gAlice->Detectors(); |
124 | if (!modules) { | |
125 | cerr<<"TObjArray with modules not found."<<endl; | |
126 | return -1; | |
127 | } | |
128 | Int_t nModules = static_cast<Int_t>(modules->GetEntries()); | |
5c7406fa | 129 | AliHit* hit; |
130 | for (Int_t treeHIndex = 0; treeHIndex < treeHEntries; treeHIndex++) { | |
131 | gAlice->ResetHits(); | |
132 | treeH->GetEvent(treeHIndex); | |
133 | for (Int_t iModule = 0; iModule < nModules; iModule++) { | |
134 | AliDetector * detector = dynamic_cast<AliDetector*>(modules->At(iModule)); | |
135 | if (!detector) continue; | |
e2afb3b6 | 136 | // process only detectors with shunt = 0 |
5c7406fa | 137 | if (detector->GetIshunt()) continue; |
f0a0d075 | 138 | |
e2afb3b6 | 139 | hit=dynamic_cast<AliHit*>(detector->FirstHit(-1)); |
f0a0d075 | 140 | Int_t lastLabel=-1, label; |
e2afb3b6 | 141 | for( ; hit; hit=dynamic_cast<AliHit*>(detector->NextHit()) ) { |
f0a0d075 | 142 | label=hit->Track(); |
143 | if (lastLabel != label) { | |
144 | if (label < 0 || label >= nAllParticles) { | |
145 | cerr<<"Error: label out of range. "; | |
146 | cerr<<"Event "<<eventNr<<" treeHIndex "<<treeHIndex<<" label = "<<label<<endl; | |
147 | return -2; | |
148 | } | |
149 | if (trackMap[label] >=0 && trackMap[label] != treeHIndex) { | |
150 | cerr<<"Error: different treeHIndex for label "<<label | |
151 | <<" indeces: "<<trackMap[label]<<" != "<<treeHIndex; | |
152 | cerr<<" event "<<eventNr<<" detector "<<detector->GetName()<<endl; | |
153 | return -3; | |
154 | } | |
155 | trackMap[label] = treeHIndex; | |
156 | if (fDEBUG > 2) cout<<"treeHIndex, label = "<<treeHIndex<<" "<<label<<endl; | |
157 | lastLabel = label; | |
158 | } | |
159 | } | |
160 | } | |
161 | } | |
162 | ||
5c7406fa | 163 | if (fDEBUG > 2) { |
f0a0d075 | 164 | for (Int_t i = 0; i < nAllParticles; i++) { |
165 | cout<<eventNr<<"\t"<<i<<"\t"<<trackMap[i]<<endl; | |
166 | } | |
167 | } | |
168 | fileMap->cd(); | |
169 | AliTrackMap* trackMapObject = new AliTrackMap(nAllParticles, trackMap); | |
170 | trackMapObject->SetEventNr(eventNr); | |
171 | trackMapObject->Write(); | |
172 | delete trackMapObject; | |
173 | ||
174 | delete [] trackMap; | |
175 | return 0; | |
176 | } | |
177 | ||
e2afb3b6 | 178 | //_______________________________________________________________________ |
f0a0d075 | 179 | AliTrackMap* AliTrackMapper::LoadTrackMap(Int_t eventNr, const char* fnMap, TFile* &fileMap) { |
e2afb3b6 | 180 | // |
181 | // read an AliTrackMap object for the given event eventNr from | |
182 | // the file fileMap | |
183 | // | |
f0a0d075 | 184 | fileMap=TFile::Open(fnMap); |
185 | if (!fileMap->IsOpen()) {cerr<<"Can't open file "<<fnMap<<" with map!\n"; return 0;} | |
186 | char mapName[20]; | |
187 | sprintf(mapName,"AliTrackMap_%5.5d",eventNr); | |
e2afb3b6 | 188 | AliTrackMap* trackMapObject = dynamic_cast<AliTrackMap*>(fileMap->Get(mapName)); |
f0a0d075 | 189 | if (!trackMapObject) { |
190 | cerr<<"Error: map named "<<mapName<<" not found."<<endl; | |
191 | return 0; | |
192 | } | |
193 | return trackMapObject; | |
194 | } | |
e2afb3b6 | 195 | |
196 | //_______________________________________________________________________ | |
f0a0d075 | 197 | void AliTrackMapper::CheckTrackMap(Int_t eventNr, const char* fnMap) { |
e2afb3b6 | 198 | // |
199 | // | |
200 | // | |
f0a0d075 | 201 | TFile *fileMap; |
202 | AliTrackMap* trackMapObject = LoadTrackMap(eventNr, fnMap, fileMap); | |
203 | if (!trackMapObject) return; | |
e2afb3b6 | 204 | |
f0a0d075 | 205 | trackMapObject->PrintValues(); |
e2afb3b6 | 206 | |
f0a0d075 | 207 | delete trackMapObject; |
208 | fileMap->Close(); | |
209 | delete fileMap; | |
210 | } | |
f0a0d075 | 211 |