]>
Commit | Line | Data |
---|---|---|
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" |
3551db50 | 37 | #include "AliTRDcalibDB.h" |
f7336fa3 | 38 | |
39 | ClassImp(AliTRDclusterizer) | |
40 | ||
41 | //_____________________________________________________________________________ | |
42 | AliTRDclusterizer::AliTRDclusterizer():TNamed() | |
43 | { | |
44 | // | |
45 | // AliTRDclusterizer default constructor | |
46 | // | |
47 | ||
3e1a3ad8 | 48 | fClusterTree = NULL; |
bdbb05bb | 49 | fRecPoints = 0; |
3e1a3ad8 | 50 | fVerbose = 0; |
5443e65e | 51 | fPar = 0; |
f7336fa3 | 52 | |
53 | } | |
54 | ||
55 | //_____________________________________________________________________________ | |
56 | AliTRDclusterizer::AliTRDclusterizer(const Text_t* name, const Text_t* title) | |
57 | :TNamed(name, title) | |
58 | { | |
59 | // | |
60 | // AliTRDclusterizer default constructor | |
61 | // | |
62 | ||
3e1a3ad8 | 63 | fClusterTree = NULL; |
bdbb05bb | 64 | fRecPoints = 0; |
3e1a3ad8 | 65 | fVerbose = 0; |
5443e65e | 66 | fPar = 0; |
f7336fa3 | 67 | |
68 | } | |
69 | ||
8230f242 | 70 | //_____________________________________________________________________________ |
73ae7b59 | 71 | AliTRDclusterizer::AliTRDclusterizer(const AliTRDclusterizer &c):TNamed(c) |
8230f242 | 72 | { |
73 | // | |
74 | // AliTRDclusterizer copy constructor | |
75 | // | |
76 | ||
dd9a6ee3 | 77 | ((AliTRDclusterizer &) c).Copy(*this); |
8230f242 | 78 | |
79 | } | |
80 | ||
f7336fa3 | 81 | //_____________________________________________________________________________ |
82 | AliTRDclusterizer::~AliTRDclusterizer() | |
83 | { | |
8230f242 | 84 | // |
85 | // AliTRDclusterizer destructor | |
86 | // | |
f7336fa3 | 87 | |
bdbb05bb | 88 | if (fRecPoints) { |
89 | fRecPoints->Delete(); | |
90 | delete fRecPoints; | |
91 | } | |
f7336fa3 | 92 | } |
93 | ||
8230f242 | 94 | //_____________________________________________________________________________ |
dd9a6ee3 | 95 | AliTRDclusterizer &AliTRDclusterizer::operator=(const AliTRDclusterizer &c) |
96 | { | |
97 | // | |
98 | // Assignment operator | |
99 | // | |
100 | ||
101 | if (this != &c) ((AliTRDclusterizer &) c).Copy(*this); | |
102 | return *this; | |
103 | ||
104 | } | |
105 | ||
106 | //_____________________________________________________________________________ | |
e0d47c25 | 107 | void AliTRDclusterizer::Copy(TObject &c) const |
8230f242 | 108 | { |
109 | // | |
110 | // Copy function | |
111 | // | |
112 | ||
3e1a3ad8 | 113 | ((AliTRDclusterizer &) c).fClusterTree = NULL; |
bdbb05bb | 114 | ((AliTRDclusterizer &) c).fRecPoints = NULL; |
3e1a3ad8 | 115 | ((AliTRDclusterizer &) c).fVerbose = fVerbose; |
5443e65e | 116 | ((AliTRDclusterizer &) c).fPar = 0; |
8230f242 | 117 | |
118 | } | |
119 | ||
f7336fa3 | 120 | //_____________________________________________________________________________ |
3e1a3ad8 | 121 | Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent) |
f7336fa3 | 122 | { |
123 | // | |
3e1a3ad8 | 124 | // Opens the AliROOT file. Output and input are in the same file |
f7336fa3 | 125 | // |
e191bb57 | 126 | TString evfoldname = AliConfig::GetDefaultEventFolderName(); |
19dd5b2f | 127 | fRunLoader = AliRunLoader::GetRunLoader(evfoldname); |
128 | if (!fRunLoader) | |
129 | fRunLoader = AliRunLoader::Open(name); | |
88cb7938 | 130 | if (!fRunLoader) |
131 | { | |
132 | Error("Open","Can not open session for file %s.",name); | |
133 | return kFALSE; | |
134 | } | |
135 | ||
136 | OpenInput(nEvent); | |
137 | OpenOutput(); | |
3e1a3ad8 | 138 | return kTRUE; |
f7336fa3 | 139 | } |
140 | ||
3e1a3ad8 | 141 | |
142 | //_____________________________________________________________________________ | |
88cb7938 | 143 | Bool_t AliTRDclusterizer::OpenOutput() |
3e1a3ad8 | 144 | { |
145 | // | |
146 | // Open the output file | |
147 | // | |
148 | ||
3e1a3ad8 | 149 | TObjArray *ioArray = 0; |
88cb7938 | 150 | |
151 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
152 | loader->MakeTree("R"); | |
153 | fClusterTree = loader->TreeR(); | |
365d0374 | 154 | fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); |
3e1a3ad8 | 155 | |
3e1a3ad8 | 156 | |
157 | return kTRUE; | |
158 | ||
159 | } | |
160 | ||
161 | //_____________________________________________________________________________ | |
88cb7938 | 162 | Bool_t AliTRDclusterizer::OpenInput(Int_t nEvent) |
f7336fa3 | 163 | { |
164 | // | |
165 | // Opens a ROOT-file with TRD-hits and reads in the digits-tree | |
166 | // | |
167 | ||
168 | // Connect the AliRoot file containing Geometry, Kine, and Hits | |
19dd5b2f | 169 | if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice(); |
88cb7938 | 170 | gAlice = fRunLoader->GetAliRun(); |
f7336fa3 | 171 | |
a3c76cdc | 172 | if (!(gAlice)) { |
88cb7938 | 173 | fRunLoader->LoadgAlice(); |
174 | gAlice = fRunLoader->GetAliRun(); | |
175 | if (!(gAlice)) { | |
176 | printf("AliTRDclusterizer::OpenInput -- "); | |
177 | printf("Could not find AliRun object.\n"); | |
178 | return kFALSE; | |
179 | } | |
a3c76cdc | 180 | } |
f7336fa3 | 181 | |
f7336fa3 | 182 | // Import the Trees for the event nEvent in the file |
bdbb05bb | 183 | fRunLoader->GetEvent(nEvent); |
88cb7938 | 184 | |
f7336fa3 | 185 | return kTRUE; |
186 | ||
187 | } | |
188 | ||
189 | //_____________________________________________________________________________ | |
793ff80c | 190 | Bool_t AliTRDclusterizer::WriteClusters(Int_t det) |
f7336fa3 | 191 | { |
192 | // | |
3e1a3ad8 | 193 | // Fills TRDcluster branch in the tree with the clusters |
793ff80c | 194 | // found in detector = det. For det=-1 writes the tree. |
a3c76cdc | 195 | // |
793ff80c | 196 | |
3e1a3ad8 | 197 | if ((det < -1) || (det >= AliTRDgeometry::Ndet())) { |
198 | printf("AliTRDclusterizer::WriteClusters -- "); | |
199 | printf("Unexpected detector index %d.\n",det); | |
200 | return kFALSE; | |
793ff80c | 201 | } |
3e1a3ad8 | 202 | |
f7336fa3 | 203 | |
3e1a3ad8 | 204 | TBranch *branch = fClusterTree->GetBranch("TRDcluster"); |
205 | if (!branch) { | |
793ff80c | 206 | TObjArray *ioArray = 0; |
3e1a3ad8 | 207 | branch = fClusterTree->Branch("TRDcluster","TObjArray",&ioArray,32000,0); |
793ff80c | 208 | } |
209 | ||
210 | if ((det >= 0) && (det < AliTRDgeometry::Ndet())) { | |
211 | ||
bdbb05bb | 212 | Int_t nRecPoints = RecPoints()->GetEntriesFast(); |
3e1a3ad8 | 213 | TObjArray *detRecPoints = new TObjArray(400); |
214 | ||
215 | for (Int_t i = 0; i < nRecPoints; i++) { | |
bdbb05bb | 216 | AliTRDcluster *c = (AliTRDcluster *) RecPoints()->UncheckedAt(i); |
3e1a3ad8 | 217 | if (det == c->GetDetector()) { |
218 | detRecPoints->AddLast(c); | |
219 | } | |
220 | else { | |
221 | printf("AliTRDclusterizer::WriteClusters --"); | |
222 | printf("Attempt to write a cluster with unexpected detector index\n"); | |
223 | } | |
793ff80c | 224 | } |
225 | ||
3e1a3ad8 | 226 | branch->SetAddress(&detRecPoints); |
227 | fClusterTree->Fill(); | |
228 | ||
d9b8978b | 229 | delete detRecPoints; |
230 | ||
793ff80c | 231 | return kTRUE; |
3e1a3ad8 | 232 | |
793ff80c | 233 | } |
234 | ||
235 | if (det == -1) { | |
236 | ||
19dd5b2f | 237 | Info("WriteClusters","Writing the cluster tree %s for event %d." |
bdbb05bb | 238 | ,fClusterTree->GetName(),fRunLoader->GetEventNumber()); |
c630aafd | 239 | /* |
3e1a3ad8 | 240 | fClusterTree->Write(); |
ba2e024c | 241 | AliTRDgeometry *geo = fTRD->GetGeometry(); |
88cb7938 | 242 | geo->SetName("TRDgeometry"); |
243 | geo->Write(); | |
c630aafd | 244 | fPar->Write(); |
245 | */ | |
246 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); | |
247 | loader->WriteRecPoints("OVERWRITE"); | |
248 | ||
793ff80c | 249 | return kTRUE; |
3e1a3ad8 | 250 | |
793ff80c | 251 | } |
c630aafd | 252 | /* |
88cb7938 | 253 | AliLoader* loader = fRunLoader->GetLoader("TRDLoader"); |
254 | loader->WriteDigits("OVERWRITE"); | |
c630aafd | 255 | */ |
3e1a3ad8 | 256 | printf("AliTRDclusterizer::WriteClusters -- "); |
257 | printf("Unexpected detector index %d.\n",det); | |
258 | ||
793ff80c | 259 | return kFALSE; |
88cb7938 | 260 | |
f7336fa3 | 261 | } |
793ff80c | 262 | |
263 | ||
bdbb05bb | 264 | //_____________________________________________________________________________ |
3551db50 | 265 | AliTRDcluster* AliTRDclusterizer::AddCluster(Double_t *pos, Int_t timebin, Int_t det, Double_t amp |
828b670e | 266 | , Int_t *tracks, Double_t *sig, Int_t iType, Float_t center) |
bdbb05bb | 267 | { |
268 | // | |
269 | // Add a cluster for the TRD | |
270 | // | |
793ff80c | 271 | |
bdbb05bb | 272 | AliTRDcluster *c = new AliTRDcluster(); |
273 | ||
274 | c->SetDetector(det); | |
275 | c->AddTrackIndex(tracks); | |
276 | c->SetQ(amp); | |
3551db50 | 277 | c->SetX(pos[2]); |
bdbb05bb | 278 | c->SetY(pos[0]); |
279 | c->SetZ(pos[1]); | |
280 | c->SetSigmaY2(sig[0]); | |
281 | c->SetSigmaZ2(sig[1]); | |
3551db50 | 282 | c->SetLocalTimeBin(timebin); |
828b670e | 283 | c->SetCenter(center); |
bdbb05bb | 284 | switch (iType) { |
285 | case 0: | |
286 | c->Set2pad(); | |
287 | break; | |
288 | case 1: | |
289 | c->Set3pad(); | |
290 | break; | |
291 | case 2: | |
292 | c->Set4pad(); | |
293 | break; | |
294 | case 3: | |
295 | c->Set5pad(); | |
296 | break; | |
297 | case 4: | |
298 | c->SetLarge(); | |
299 | break; | |
300 | }; | |
301 | ||
302 | RecPoints()->Add(c); | |
c85a4951 | 303 | return c; |
bdbb05bb | 304 | } |
3551db50 | 305 | |
306 | //_____________________________________________________________________________ | |
88719a08 | 307 | Double_t AliTRDclusterizer::CalcXposFromTimebin(Float_t timebin, Int_t idet, Int_t col, Int_t row) |
3551db50 | 308 | { |
309 | // | |
310 | // Calculates the local x position in the detector from the timebin, depends on the drift velocity | |
88719a08 | 311 | // and t0 |
3551db50 | 312 | // |
313 | ||
314 | AliTRDcalibDB* calibration = AliTRDcalibDB::Instance(); | |
315 | if (!calibration) | |
316 | return -1; | |
88719a08 | 317 | |
318 | Float_t vdrift = calibration->GetVdrift(idet, col, row); | |
319 | Float_t t0 = calibration->GetT0(idet, col, row); | |
3551db50 | 320 | Float_t samplingFrequency = calibration->GetSamplingFrequency(); |
88719a08 | 321 | |
322 | timebin -= t0; | |
323 | ||
324 | return timebin / samplingFrequency * vdrift; | |
3551db50 | 325 | } |