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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 | ||
acd84897 | 16 | /* $Id$ */ |
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 | |
0742d588 | 30 | #include "TError.h" |
f0a0d075 | 31 | #include "TFile.h" |
f0a0d075 | 32 | #include "TStopwatch.h" |
0742d588 | 33 | #include "TTree.h" |
f0a0d075 | 34 | |
35 | #include "AliDetector.h" | |
0742d588 | 36 | #include "AliHit.h" |
37 | #include "AliLoader.h" | |
f0a0d075 | 38 | #include "AliRun.h" |
88cb7938 | 39 | #include "AliRunLoader.h" |
0742d588 | 40 | #include "AliTrackMap.h" |
41 | #include "AliTrackMapper.h" | |
f0a0d075 | 42 | |
43 | ClassImp(AliTrackMapper) | |
44 | ||
e2afb3b6 | 45 | //_______________________________________________________________________ |
46 | AliTrackMapper::AliTrackMapper(): | |
47 | fDEBUG(0) | |
48 | { | |
49 | // | |
50 | // Default ctor | |
51 | // | |
52 | } | |
53 | ||
54 | ||
55 | //_______________________________________________________________________ | |
f0a0d075 | 56 | void AliTrackMapper::CreateMap(Int_t nEvents, Int_t firstEventNr, |
e2afb3b6 | 57 | const char* fnMap, const char* fnHits) |
f0a0d075 | 58 | { |
e2afb3b6 | 59 | // |
60 | // method to create a track map for a given number of events starting | |
61 | // from event firstEventNr. This method just opens and closes files and | |
62 | // loops over events, the creation of map is delegated to | |
63 | // CreateMap(Int_t eventNr, TFile* fileMap) method | |
64 | // | |
f0a0d075 | 65 | TStopwatch timer; |
66 | timer.Start(); | |
67 | ||
68 | TFile *fileMap=TFile::Open(fnMap,"new"); | |
69 | if (!fileMap->IsOpen()) {cerr<<"Can't open output file "<<fnMap<<"!\n"; return;} | |
88cb7938 | 70 | |
71 | AliRunLoader* rl = AliRunLoader::Open(fnHits); | |
72 | if (rl == 0x0) {cerr<<"Can't open input file "<<fnHits<<"!\n"; return;} | |
73 | if (rl->LoadgAlice()) | |
74 | { | |
75 | ::Error("AliTrackMapper::CreateMap","Error occured while loading AliRun"); | |
76 | return; | |
77 | } | |
78 | ||
79 | if (!(gAlice=rl->GetAliRun())) { | |
80 | cerr<<"gAlice have not been found on session !\n"; | |
f0a0d075 | 81 | return; |
82 | } | |
e2afb3b6 | 83 | |
88cb7938 | 84 | rl->LoadKinematics(); |
85 | ||
f0a0d075 | 86 | for (Int_t eventNr = firstEventNr; eventNr < firstEventNr+nEvents; |
87 | eventNr++) { | |
88cb7938 | 88 | CreateMap(eventNr,fileMap,rl); |
f0a0d075 | 89 | } // end loop over events |
e2afb3b6 | 90 | |
88cb7938 | 91 | delete rl; |
f0a0d075 | 92 | fileMap->Close(); |
93 | delete fileMap; | |
94 | timer.Stop(); | |
95 | if (fDEBUG > 0) timer.Print(); | |
96 | } | |
97 | ||
e2afb3b6 | 98 | //_______________________________________________________________________ |
88cb7938 | 99 | Int_t AliTrackMapper::CreateMap(Int_t eventNr, TFile* fileMap,AliRunLoader* rl) |
e2afb3b6 | 100 | { |
101 | // | |
102 | // create an AliTrackMap for a given event | |
103 | // correct gAlice must be already present in memory | |
104 | // | |
f0a0d075 | 105 | |
88cb7938 | 106 | rl->GetEvent(eventNr); |
107 | ||
108 | TTree *treeK = rl->TreeK(); | |
f0a0d075 | 109 | if (!treeK) { |
110 | cerr<<"Error: Event "<<eventNr<<", treeK not found."<<endl; | |
111 | return -1; | |
112 | } | |
113 | Int_t nAllParticles = static_cast<Int_t>(treeK->GetEntries()); | |
114 | Int_t *trackMap = new Int_t[nAllParticles]; | |
115 | for (Int_t i = 0; i<nAllParticles; i++) {trackMap[i] = kNoEntry;} | |
116 | ||
f0a0d075 | 117 | |
f0a0d075 | 118 | TObjArray *modules = gAlice->Detectors(); |
119 | if (!modules) { | |
120 | cerr<<"TObjArray with modules not found."<<endl; | |
121 | return -1; | |
122 | } | |
123 | Int_t nModules = static_cast<Int_t>(modules->GetEntries()); | |
5c7406fa | 124 | AliHit* hit; |
88cb7938 | 125 | for (Int_t iModule = 0; iModule < nModules; iModule++) |
126 | { | |
127 | AliDetector * detector = dynamic_cast<AliDetector*>(modules->At(iModule)); | |
128 | if (!detector) continue; | |
129 | AliLoader* loader = detector->GetLoader(); | |
130 | if (loader == 0x0) | |
131 | { | |
132 | ::Warning("AliTrackMapper::CreateMap", | |
133 | "Can not get loader from detector %s.",detector->GetName()); | |
134 | continue; | |
135 | } | |
136 | Int_t retval = loader->LoadHits(); | |
137 | if (retval) { | |
138 | ::Error("AliTrackMapper::CreateMap", | |
139 | "Event %d: error occured while loading hits for %s", | |
140 | eventNr,detector->GetName()); | |
141 | return -1; | |
142 | } | |
143 | ||
144 | TTree *treeH = loader->TreeH(); | |
145 | if (!treeH) { | |
146 | ::Error("AliTrackMapper::CreateMap","Event %d: Can not get TreeH for %s", | |
147 | eventNr,detector->GetName()); | |
148 | return -1; | |
149 | } | |
150 | Int_t treeHEntries = static_cast<Int_t>(treeH->GetEntries()); | |
151 | if (fDEBUG > 1) cout<<"treeHEntries "<<treeHEntries<<endl; | |
152 | ||
153 | detector->ResetHits(); | |
154 | ||
155 | for (Int_t treeHIndex = 0; treeHIndex < treeHEntries; treeHIndex++) | |
156 | { // process only detectors with shunt = 0 | |
157 | treeH->GetEvent(treeHIndex); | |
5c7406fa | 158 | if (detector->GetIshunt()) continue; |
f0a0d075 | 159 | |
e2afb3b6 | 160 | hit=dynamic_cast<AliHit*>(detector->FirstHit(-1)); |
f0a0d075 | 161 | Int_t lastLabel=-1, label; |
e2afb3b6 | 162 | for( ; hit; hit=dynamic_cast<AliHit*>(detector->NextHit()) ) { |
88cb7938 | 163 | label=hit->Track(); |
164 | if (lastLabel != label) { | |
165 | if (label < 0 || label >= nAllParticles) { | |
166 | cerr<<"Error: label out of range. "; | |
167 | cerr<<"Event "<<eventNr<<" treeHIndex "<<treeHIndex<<" label = "<<label<<endl; | |
168 | return -2; | |
169 | } | |
170 | if (trackMap[label] >=0 && trackMap[label] != treeHIndex) { | |
171 | cerr<<"Error: different treeHIndex for label "<<label | |
172 | <<" indeces: "<<trackMap[label]<<" != "<<treeHIndex; | |
173 | cerr<<" event "<<eventNr<<" detector "<<detector->GetName()<<endl; | |
174 | return -3; | |
175 | } | |
176 | trackMap[label] = treeHIndex; | |
177 | if (fDEBUG > 2) cout<<"treeHIndex, label = "<<treeHIndex<<" "<<label<<endl; | |
178 | lastLabel = label; | |
179 | } | |
f0a0d075 | 180 | } |
88cb7938 | 181 | }//loop over hits in module |
182 | loader->UnloadHits(); | |
183 | }//loop over modules | |
f0a0d075 | 184 | |
5c7406fa | 185 | if (fDEBUG > 2) { |
f0a0d075 | 186 | for (Int_t i = 0; i < nAllParticles; i++) { |
187 | cout<<eventNr<<"\t"<<i<<"\t"<<trackMap[i]<<endl; | |
188 | } | |
189 | } | |
190 | fileMap->cd(); | |
191 | AliTrackMap* trackMapObject = new AliTrackMap(nAllParticles, trackMap); | |
192 | trackMapObject->SetEventNr(eventNr); | |
193 | trackMapObject->Write(); | |
194 | delete trackMapObject; | |
195 | ||
196 | delete [] trackMap; | |
197 | return 0; | |
198 | } | |
199 | ||
e2afb3b6 | 200 | //_______________________________________________________________________ |
f0a0d075 | 201 | AliTrackMap* AliTrackMapper::LoadTrackMap(Int_t eventNr, const char* fnMap, TFile* &fileMap) { |
e2afb3b6 | 202 | // |
203 | // read an AliTrackMap object for the given event eventNr from | |
204 | // the file fileMap | |
205 | // | |
f0a0d075 | 206 | fileMap=TFile::Open(fnMap); |
207 | if (!fileMap->IsOpen()) {cerr<<"Can't open file "<<fnMap<<" with map!\n"; return 0;} | |
208 | char mapName[20]; | |
209 | sprintf(mapName,"AliTrackMap_%5.5d",eventNr); | |
e2afb3b6 | 210 | AliTrackMap* trackMapObject = dynamic_cast<AliTrackMap*>(fileMap->Get(mapName)); |
f0a0d075 | 211 | if (!trackMapObject) { |
212 | cerr<<"Error: map named "<<mapName<<" not found."<<endl; | |
213 | return 0; | |
214 | } | |
215 | return trackMapObject; | |
216 | } | |
e2afb3b6 | 217 | |
218 | //_______________________________________________________________________ | |
f0a0d075 | 219 | void AliTrackMapper::CheckTrackMap(Int_t eventNr, const char* fnMap) { |
e2afb3b6 | 220 | // |
221 | // | |
222 | // | |
f0a0d075 | 223 | TFile *fileMap; |
224 | AliTrackMap* trackMapObject = LoadTrackMap(eventNr, fnMap, fileMap); | |
225 | if (!trackMapObject) return; | |
e2afb3b6 | 226 | |
f0a0d075 | 227 | trackMapObject->PrintValues(); |
e2afb3b6 | 228 | |
f0a0d075 | 229 | delete trackMapObject; |
230 | fileMap->Close(); | |
231 | delete fileMap; | |
232 | } | |
f0a0d075 | 233 |