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f7336fa3 | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
f7336fa3 | 17 | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // TRD cluster finder base class // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
94de3818 | 24 | #include <TROOT.h> |
25 | #include <TTree.h> | |
793ff80c | 26 | #include <TFile.h> |
f7336fa3 | 27 | |
94de3818 | 28 | #include "AliRun.h" |
88cb7938 | 29 | #include "AliRunLoader.h" |
30 | #include "AliLoader.h" | |
31 | ||
f7336fa3 | 32 | #include "AliTRDclusterizer.h" |
3e1a3ad8 | 33 | #include "AliTRDcluster.h" |
793ff80c | 34 | #include "AliTRDrecPoint.h" |
35 | #include "AliTRDgeometry.h" | |
5443e65e | 36 | #include "AliTRDparameter.h" |
f7336fa3 | 37 | |
38 | ClassImp(AliTRDclusterizer) | |
39 | ||
40 | //_____________________________________________________________________________ | |
41 | AliTRDclusterizer::AliTRDclusterizer():TNamed() | |
42 | { | |
43 | // | |
44 | // AliTRDclusterizer default constructor | |
45 | // | |
46 | ||
3e1a3ad8 | 47 | fClusterTree = NULL; |
bdbb05bb | 48 | fRecPoints = 0; |
3e1a3ad8 | 49 | fVerbose = 0; |
5443e65e | 50 | fPar = 0; |
f7336fa3 | 51 | |
52 | } | |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | AliTRDclusterizer::AliTRDclusterizer(const Text_t* name, const Text_t* title) | |
56 | :TNamed(name, title) | |
57 | { | |
58 | // | |
59 | // AliTRDclusterizer default constructor | |
60 | // | |
61 | ||
3e1a3ad8 | 62 | fClusterTree = NULL; |
bdbb05bb | 63 | fRecPoints = 0; |
3e1a3ad8 | 64 | fVerbose = 0; |
5443e65e | 65 | fPar = 0; |
f7336fa3 | 66 | |
67 | } | |
68 | ||
8230f242 | 69 | //_____________________________________________________________________________ |
73ae7b59 | 70 | AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c):TNamed(c) |
8230f242 | 71 | { |
72 | // | |
73 | // AliTRDclusterizer copy constructor | |
74 | // | |
75 | ||
dd9a6ee3 | 76 | ((AliTRDclusterizer &) c).Copy(*this); |
8230f242 | 77 | |
78 | } | |
79 | ||
f7336fa3 | 80 | //_____________________________________________________________________________ |
81 | AliTRDclusterizer::~AliTRDclusterizer() | |
82 | { | |
8230f242 | 83 | // |
84 | // AliTRDclusterizer destructor | |
85 | // | |
f7336fa3 | 86 | |
bdbb05bb | 87 | if (fRecPoints) { |
88 | fRecPoints->Delete(); | |
89 | delete fRecPoints; | |
90 | } | |
f7336fa3 | 91 | } |
92 | ||
8230f242 | 93 | //_____________________________________________________________________________ |
dd9a6ee3 | 94 | AliTRDclusterizer &AliTRDclusterizer::operator=(const AliTRDclusterizer &c) |
95 | { | |
96 | // | |
97 | // Assignment operator | |
98 | // | |
99 | ||
100 | if (this != &c) ((AliTRDclusterizer &) c).Copy(*this); | |
101 | return *this; | |
102 | ||
103 | } | |
104 | ||
105 | //_____________________________________________________________________________ | |
106 | void AliTRDclusterizer::Copy(TObject &c) | |
8230f242 | 107 | { |
108 | // | |
109 | // Copy function | |
110 | // | |
111 | ||
3e1a3ad8 | 112 | ((AliTRDclusterizer &) c).fClusterTree = NULL; |
bdbb05bb | 113 | ((AliTRDclusterizer &) c).fRecPoints = NULL; |
3e1a3ad8 | 114 | ((AliTRDclusterizer &) c).fVerbose = fVerbose; |
5443e65e | 115 | ((AliTRDclusterizer &) c).fPar = 0; |
8230f242 | 116 | |
117 | } | |
118 | ||
f7336fa3 | 119 | //_____________________________________________________________________________ |
3e1a3ad8 | 120 | Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent) |
f7336fa3 | 121 | { |
122 | // | |
3e1a3ad8 | 123 | // Opens the AliROOT file. Output and input are in the same file |
f7336fa3 | 124 | // |
e191bb57 | 125 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
19dd5b2f | 126 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
127 | if (!fRunLoader) | |
128 | fRunLoader = AliRunLoader::Open(name); | |
88cb7938 | 129 | if (!fRunLoader) |
130 | { | |
131 | Error("Open","Can not open session for file %s.",name); | |
132 | return kFALSE; | |
133 | } | |
134 | ||
135 | OpenInput(nEvent); | |
136 | OpenOutput(); | |
3e1a3ad8 | 137 | return kTRUE; |
f7336fa3 | 138 | } |
139 | ||
3e1a3ad8 | 140 | |
141 | //_____________________________________________________________________________ | |
88cb7938 | 142 | Bool_t AliTRDclusterizer::OpenOutput() |
3e1a3ad8 | 143 | { |
144 | // | |
145 | // Open the output file | |
146 | // | |
147 | ||
3e1a3ad8 | 148 | TObjArray *ioArray = 0; |
88cb7938 | 149 | |
150 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
151 | loader->MakeTree("R"); | |
152 | fClusterTree = loader->TreeR(); | |
365d0374 | 153 | fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); |
3e1a3ad8 | 154 | |
3e1a3ad8 | 155 | |
156 | return kTRUE; | |
157 | ||
158 | } | |
159 | ||
160 | //_____________________________________________________________________________ | |
88cb7938 | 161 | Bool_t AliTRDclusterizer::OpenInput(Int_t nEvent) |
f7336fa3 | 162 | { |
163 | // | |
164 | // Opens a ROOT-file with TRD-hits and reads in the digits-tree | |
165 | // | |
166 | ||
167 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
19dd5b2f | 168 | if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice(); |
88cb7938 | 169 | gAlice = fRunLoader->GetAliRun(); |
f7336fa3 | 170 | |
a3c76cdc | 171 | if (!(gAlice)) { |
88cb7938 | 172 | fRunLoader->LoadgAlice(); |
173 | gAlice = fRunLoader->GetAliRun(); | |
174 | if (!(gAlice)) { | |
175 | printf("AliTRDclusterizer::OpenInput -- "); | |
176 | printf("Could not find AliRun object.\n"); | |
177 | return kFALSE; | |
178 | } | |
a3c76cdc | 179 | } |
f7336fa3 | 180 | |
f7336fa3 | 181 | // Import the Trees for the event nEvent in the file |
bdbb05bb | 182 | fRunLoader->GetEvent(nEvent); |
88cb7938 | 183 | |
f7336fa3 | 184 | return kTRUE; |
185 | ||
186 | } | |
187 | ||
188 | //_____________________________________________________________________________ | |
793ff80c | 189 | Bool_t AliTRDclusterizer::WriteClusters(Int_t det) |
f7336fa3 | 190 | { |
191 | // | |
3e1a3ad8 | 192 | // Fills TRDcluster branch in the tree with the clusters |
793ff80c | 193 | // found in detector = det. For det=-1 writes the tree. |
a3c76cdc | 194 | // |
793ff80c | 195 | |
3e1a3ad8 | 196 | if ((det < -1) || (det >= AliTRDgeometry::Ndet())) { |
197 | printf("AliTRDclusterizer::WriteClusters -- "); | |
198 | printf("Unexpected detector index %d.\n",det); | |
199 | return kFALSE; | |
793ff80c | 200 | } |
3e1a3ad8 | 201 | |
f7336fa3 | 202 | |
3e1a3ad8 | 203 | TBranch *branch = fClusterTree->GetBranch("TRDcluster"); |
204 | if (!branch) { | |
793ff80c | 205 | TObjArray *ioArray = 0; |
3e1a3ad8 | 206 | branch = fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); |
793ff80c | 207 | } |
208 | ||
209 | if ((det >= 0) && (det < AliTRDgeometry::Ndet())) { | |
210 | ||
bdbb05bb | 211 | Int_t nRecPoints = RecPoints()->GetEntriesFast(); |
3e1a3ad8 | 212 | TObjArray *detRecPoints = new TObjArray(400); |
213 | ||
214 | for (Int_t i = 0; i < nRecPoints; i++) { | |
bdbb05bb | 215 | AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i); |
3e1a3ad8 | 216 | if (det == c->GetDetector()) { |
217 | detRecPoints->AddLast(c); | |
218 | } | |
219 | else { | |
220 | printf("AliTRDclusterizer::WriteClusters --"); | |
221 | printf("Attempt to write a cluster with unexpected detector index\n"); | |
222 | } | |
793ff80c | 223 | } |
224 | ||
3e1a3ad8 | 225 | branch->SetAddress(&detRecPoints); |
226 | fClusterTree->Fill(); | |
227 | ||
d9b8978b | 228 | delete detRecPoints; |
229 | ||
793ff80c | 230 | return kTRUE; |
3e1a3ad8 | 231 | |
793ff80c | 232 | } |
233 | ||
234 | if (det == -1) { | |
235 | ||
19dd5b2f | 236 | Info("WriteClusters","Writing the cluster tree %s for event %d." |
bdbb05bb | 237 | ,fClusterTree->GetName(),fRunLoader->GetEventNumber()); |
c630aafd | 238 | /* |
3e1a3ad8 | 239 | fClusterTree->Write(); |
ba2e024c | 240 | AliTRDgeometry *geo = fTRD->GetGeometry(); |
88cb7938 | 241 | geo->SetName("TRDgeometry"); |
242 | geo->Write(); | |
c630aafd | 243 | fPar->Write(); |
244 | */ | |
245 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
246 | loader->WriteRecPoints("OVERWRITE"); | |
247 | ||
793ff80c | 248 | return kTRUE; |
3e1a3ad8 | 249 | |
793ff80c | 250 | } |
c630aafd | 251 | /* |
88cb7938 | 252 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); |
253 | loader->WriteDigits("OVERWRITE"); | |
c630aafd | 254 | */ |
3e1a3ad8 | 255 | printf("AliTRDclusterizer::WriteClusters -- "); |
256 | printf("Unexpected detector index %d.\n",det); | |
257 | ||
793ff80c | 258 | return kFALSE; |
88cb7938 | 259 | |
f7336fa3 | 260 | } |
793ff80c | 261 | |
262 | ||
bdbb05bb | 263 | //_____________________________________________________________________________ |
264 | void AliTRDclusterizer::AddCluster(Float_t *pos, Int_t det, Float_t amp | |
265 | , Int_t *tracks, Float_t *sig, Int_t iType) | |
266 | { | |
267 | // | |
268 | // Add a cluster for the TRD | |
269 | // | |
793ff80c | 270 | |
bdbb05bb | 271 | AliTRDcluster *c = new AliTRDcluster(); |
272 | ||
273 | c->SetDetector(det); | |
274 | c->AddTrackIndex(tracks); | |
275 | c->SetQ(amp); | |
276 | c->SetY(pos[0]); | |
277 | c->SetZ(pos[1]); | |
278 | c->SetSigmaY2(sig[0]); | |
279 | c->SetSigmaZ2(sig[1]); | |
280 | c->SetLocalTimeBin(((Int_t) pos[2])); | |
281 | ||
282 | switch (iType) { | |
283 | case 0: | |
284 | c->Set2pad(); | |
285 | break; | |
286 | case 1: | |
287 | c->Set3pad(); | |
288 | break; | |
289 | case 2: | |
290 | c->Set4pad(); | |
291 | break; | |
292 | case 3: | |
293 | c->Set5pad(); | |
294 | break; | |
295 | case 4: | |
296 | c->SetLarge(); | |
297 | break; | |
298 | }; | |
299 | ||
300 | RecPoints()->Add(c); | |
301 | ||
302 | } |