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