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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 | // | |
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 | ||
28 | #include <Riostream.h> | |
29 | ||
30 | #include "TError.h" | |
31 | #include "TFile.h" | |
32 | #include "TStopwatch.h" | |
33 | #include "TTree.h" | |
34 | ||
35 | #include "AliLog.h" | |
36 | #include "AliDetector.h" | |
37 | #include "AliHit.h" | |
38 | #include "AliLoader.h" | |
39 | #include "AliRun.h" | |
40 | #include "AliRunLoader.h" | |
41 | #include "AliTrackMap.h" | |
42 | #include "AliTrackMapper.h" | |
43 | ||
44 | ClassImp(AliTrackMapper) | |
45 | ||
46 | //_______________________________________________________________________ | |
47 | AliTrackMapper::AliTrackMapper(): | |
48 | fDEBUG(0) | |
49 | { | |
50 | // | |
51 | // Default ctor | |
52 | // | |
53 | } | |
54 | ||
55 | ||
56 | //_______________________________________________________________________ | |
57 | void AliTrackMapper::CreateMap(Int_t nEvents, Int_t firstEventNr, | |
58 | const char* fnMap, const char* fnHits) | |
59 | { | |
60 | // | |
61 | // method to create a track map for a given number of events starting | |
62 | // from event firstEventNr. This method just opens and closes files and | |
63 | // loops over events, the creation of map is delegated to | |
64 | // CreateMap(Int_t eventNr, TFile* fileMap) method | |
65 | // | |
66 | TStopwatch timer; | |
67 | timer.Start(); | |
68 | ||
69 | TFile *fileMap=TFile::Open(fnMap,"new"); | |
70 | if (!fileMap->IsOpen()) {AliErrorClass(Form("Can't open output file %s!", fnMap)); return;} | |
71 | ||
72 | AliRunLoader* rl = AliRunLoader::Open(fnHits); | |
73 | if (rl == 0x0) {AliErrorClass(Form("Can't open input file %s!\n", fnHits)); return;} | |
74 | if (rl->LoadgAlice()) | |
75 | { | |
76 | AliErrorClass("Error occured while loading AliRun"); | |
77 | return; | |
78 | } | |
79 | ||
80 | if (!(gAlice=rl->GetAliRun())) { | |
81 | AliErrorClass("gAlice have not been found on session !"); | |
82 | return; | |
83 | } | |
84 | ||
85 | rl->LoadKinematics(); | |
86 | ||
87 | for (Int_t eventNr = firstEventNr; eventNr < firstEventNr+nEvents; | |
88 | eventNr++) { | |
89 | CreateMap(eventNr,fileMap,rl); | |
90 | } // end loop over events | |
91 | ||
92 | delete rl; | |
93 | fileMap->Close(); | |
94 | delete fileMap; | |
95 | timer.Stop(); | |
96 | if (fDEBUG > 0) timer.Print(); | |
97 | } | |
98 | ||
99 | //_______________________________________________________________________ | |
100 | Int_t AliTrackMapper::CreateMap(Int_t eventNr, TFile* fileMap,AliRunLoader* rl) | |
101 | { | |
102 | // | |
103 | // create an AliTrackMap for a given event | |
104 | // correct gAlice must be already present in memory | |
105 | // | |
106 | ||
107 | rl->GetEvent(eventNr); | |
108 | ||
109 | TTree *treeK = rl->TreeK(); | |
110 | if (!treeK) { | |
111 | AliErrorClass(Form("Event %d, treeK not found.", eventNr)); | |
112 | return -1; | |
113 | } | |
114 | Int_t nAllParticles = static_cast<Int_t>(treeK->GetEntries()); | |
115 | Int_t *trackMap = new Int_t[nAllParticles]; | |
116 | for (Int_t i = 0; i<nAllParticles; i++) {trackMap[i] = kNoEntry;} | |
117 | ||
118 | ||
119 | TObjArray *modules = gAlice->Detectors(); | |
120 | if (!modules) { | |
121 | AliErrorClass("TObjArray with modules not found."); | |
122 | return -1; | |
123 | } | |
124 | Int_t nModules = static_cast<Int_t>(modules->GetEntries()); | |
125 | AliHit* hit; | |
126 | for (Int_t iModule = 0; iModule < nModules; iModule++) | |
127 | { | |
128 | AliDetector * detector = dynamic_cast<AliDetector*>(modules->At(iModule)); | |
129 | if (!detector) continue; | |
130 | AliLoader* loader = detector->GetLoader(); | |
131 | if (loader == 0x0) | |
132 | { | |
133 | AliWarningClass(Form("Can not get loader from detector %s.", | |
134 | detector->GetName())); | |
135 | continue; | |
136 | } | |
137 | Int_t retval = loader->LoadHits(); | |
138 | if (retval) { | |
139 | AliErrorClass(Form("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 | AliErrorClass(Form("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 | AliDebugClass(2, Form("treeHEntries %d", treeHEntries)); | |
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); | |
158 | if (detector->GetIshunt()) continue; | |
159 | ||
160 | hit=dynamic_cast<AliHit*>(detector->FirstHit(-1)); | |
161 | Int_t lastLabel=-1, label; | |
162 | for( ; hit; hit=dynamic_cast<AliHit*>(detector->NextHit()) ) { | |
163 | label=hit->Track(); | |
164 | if (lastLabel != label) { | |
165 | if (label < 0 || label >= nAllParticles) { | |
166 | AliErrorClass(Form("label out of range. Event %d treeHIndex %d label = %d", | |
167 | eventNr, treeHIndex, label)); | |
168 | return -2; | |
169 | } | |
170 | if (trackMap[label] >=0 && trackMap[label] != treeHIndex) { | |
171 | AliErrorClass(Form("different treeHIndex for label %d indeces: %d != %d event %d detector %s", | |
172 | label, trackMap[label], treeHIndex, eventNr, detector->GetName())); | |
173 | return -3; | |
174 | } | |
175 | trackMap[label] = treeHIndex; | |
176 | AliDebugClass(3, Form("treeHIndex, label = %d %d", treeHIndex, label)); | |
177 | lastLabel = label; | |
178 | } | |
179 | } | |
180 | }//loop over hits in module | |
181 | loader->UnloadHits(); | |
182 | }//loop over modules | |
183 | ||
184 | ToAliDebugClass(3, | |
185 | for (Int_t i = 0; i < nAllParticles; i++) { | |
186 | cout<<eventNr<<"\t"<<i<<"\t"<<trackMap[i]<<endl; | |
187 | } | |
188 | ) | |
189 | fileMap->cd(); | |
190 | AliTrackMap* trackMapObject = new AliTrackMap(nAllParticles, trackMap); | |
191 | trackMapObject->SetEventNr(eventNr); | |
192 | trackMapObject->Write(); | |
193 | delete trackMapObject; | |
194 | ||
195 | delete [] trackMap; | |
196 | return 0; | |
197 | } | |
198 | ||
199 | //_______________________________________________________________________ | |
200 | AliTrackMap* AliTrackMapper::LoadTrackMap(Int_t eventNr, const char* fnMap, TFile* &fileMap) { | |
201 | // | |
202 | // read an AliTrackMap object for the given event eventNr from | |
203 | // the file fileMap | |
204 | // | |
205 | fileMap=TFile::Open(fnMap); | |
206 | if (!fileMap->IsOpen()) {AliErrorClass(Form("Can't open file %s with map!", fnMap)); return 0;} | |
207 | char mapName[20]; | |
208 | sprintf(mapName,"AliTrackMap_%5.5d",eventNr); | |
209 | AliTrackMap* trackMapObject = dynamic_cast<AliTrackMap*>(fileMap->Get(mapName)); | |
210 | if (!trackMapObject) { | |
211 | AliErrorClass(Form("map named %s not found.", mapName)); | |
212 | return 0; | |
213 | } | |
214 | return trackMapObject; | |
215 | } | |
216 | ||
217 | //_______________________________________________________________________ | |
218 | void AliTrackMapper::CheckTrackMap(Int_t eventNr, const char* fnMap) { | |
219 | // | |
220 | // | |
221 | // | |
222 | TFile *fileMap; | |
223 | AliTrackMap* trackMapObject = LoadTrackMap(eventNr, fnMap, fileMap); | |
224 | if (!trackMapObject) return; | |
225 | ||
226 | trackMapObject->PrintValues(); | |
227 | ||
228 | delete trackMapObject; | |
229 | fileMap->Close(); | |
230 | delete fileMap; | |
231 | } | |
232 |