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7dcaf913 | 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 | //-----------------------------------------------------// | |
17 | // // | |
18 | // Date : March 25 2004 // | |
19 | // This reads the file PMD.RecPoints.root(TreeR), // | |
20 | // calls the Clustering algorithm and stores the // | |
21 | // clustering output in PMD.RecPoints.root(TreeR) // | |
22 | // // | |
23 | //-----------------------------------------------------// | |
24 | ||
25 | #include <Riostream.h> | |
26 | #include <TMath.h> | |
7dcaf913 | 27 | #include <TTree.h> |
7dcaf913 | 28 | #include <TObjArray.h> |
29 | #include <TClonesArray.h> | |
30 | #include <TFile.h> | |
31 | #include <TBranch.h> | |
32 | #include <TNtuple.h> | |
33 | #include <TParticle.h> | |
34 | ||
32b0cad8 | 35 | #include <TGeoMatrix.h> |
36 | ||
37 | #include "AliGeomManager.h" | |
38 | ||
7dcaf913 | 39 | #include "AliPMDcluster.h" |
40 | #include "AliPMDclupid.h" | |
41 | #include "AliPMDrecpoint1.h" | |
b0e4d1e1 | 42 | #include "AliPMDrecdata.h" |
43 | #include "AliPMDrechit.h" | |
7dcaf913 | 44 | #include "AliPMDUtility.h" |
45 | #include "AliPMDDiscriminator.h" | |
26f1ae17 | 46 | #include "AliPMDEmpDiscriminator.h" |
7dcaf913 | 47 | #include "AliPMDtracker.h" |
48 | ||
49 | #include "AliESDPmdTrack.h" | |
af885e0f | 50 | #include "AliESDEvent.h" |
ecee2a1a | 51 | #include "AliLog.h" |
7dcaf913 | 52 | |
53 | ClassImp(AliPMDtracker) | |
54 | ||
55 | AliPMDtracker::AliPMDtracker(): | |
56 | fTreeR(0), | |
722ccc67 | 57 | fRecpoints(new TClonesArray("AliPMDrecpoint1", 10)), |
b0e4d1e1 | 58 | fRechits(new TClonesArray("AliPMDrechit", 10)), |
7dcaf913 | 59 | fPMDcontin(new TObjArray()), |
60 | fPMDcontout(new TObjArray()), | |
7dcaf913 | 61 | fPMDutil(new AliPMDUtility()), |
62 | fPMDrecpoint(0), | |
63 | fPMDclin(0), | |
64 | fPMDclout(0), | |
7dcaf913 | 65 | fXvertex(0.), |
66 | fYvertex(0.), | |
67 | fZvertex(0.), | |
68 | fSigmaX(0.), | |
69 | fSigmaY(0.), | |
70 | fSigmaZ(0.) | |
71 | { | |
72 | // | |
73 | // Default Constructor | |
74 | // | |
75 | } | |
a48edddd | 76 | //--------------------------------------------------------------------// |
77 | AliPMDtracker:: AliPMDtracker(const AliPMDtracker & /* tracker */): | |
2332574a | 78 | TObject(/* tracker */), |
79 | fTreeR(0), | |
80 | fRecpoints(NULL), | |
b0e4d1e1 | 81 | fRechits(NULL), |
2332574a | 82 | fPMDcontin(NULL), |
83 | fPMDcontout(NULL), | |
84 | fPMDutil(NULL), | |
85 | fPMDrecpoint(0), | |
86 | fPMDclin(0), | |
87 | fPMDclout(0), | |
88 | fXvertex(0.), | |
89 | fYvertex(0.), | |
90 | fZvertex(0.), | |
91 | fSigmaX(0.), | |
92 | fSigmaY(0.), | |
93 | fSigmaZ(0.) | |
a48edddd | 94 | { |
95 | // copy constructor | |
96 | AliError("Copy constructor not allowed"); | |
97 | } | |
98 | ||
99 | //--------------------------------------------------------------------// | |
100 | AliPMDtracker& AliPMDtracker::operator=(const AliPMDtracker & /* tracker */) | |
101 | { | |
102 | // assignment operator | |
103 | AliError("Assignment operator not allowed"); | |
104 | return *this; | |
105 | } | |
106 | ||
7dcaf913 | 107 | //--------------------------------------------------------------------// |
108 | AliPMDtracker::~AliPMDtracker() | |
109 | { | |
110 | // Destructor | |
111 | if (fRecpoints) | |
112 | { | |
722ccc67 | 113 | fRecpoints->Clear(); |
7dcaf913 | 114 | } |
b0e4d1e1 | 115 | if (fRechits) |
116 | { | |
117 | fRechits->Clear(); | |
118 | } | |
119 | ||
7dcaf913 | 120 | if (fPMDcontin) |
121 | { | |
122 | fPMDcontin->Delete(); | |
123 | delete fPMDcontin; | |
124 | fPMDcontin=0; | |
a1e9ac09 | 125 | |
7dcaf913 | 126 | } |
127 | if (fPMDcontout) | |
722ccc67 | 128 | { |
7dcaf913 | 129 | fPMDcontout->Delete(); |
130 | delete fPMDcontout; | |
131 | fPMDcontout=0; | |
a1e9ac09 | 132 | |
7dcaf913 | 133 | } |
316c6cd9 | 134 | delete fPMDutil; |
7dcaf913 | 135 | } |
136 | //--------------------------------------------------------------------// | |
137 | void AliPMDtracker::LoadClusters(TTree *treein) | |
138 | { | |
139 | // Load the Reconstructed tree | |
140 | fTreeR = treein; | |
141 | } | |
142 | //--------------------------------------------------------------------// | |
af885e0f | 143 | void AliPMDtracker::Clusters2Tracks(AliESDEvent *event) |
7dcaf913 | 144 | { |
145 | // Converts digits to recpoints after running clustering | |
146 | // algorithm on CPV plane and PREshower plane | |
147 | // | |
148 | ||
be8b7039 | 149 | Int_t idet = 0; |
150 | Int_t ismn = 0; | |
151 | Int_t trackno = 1, trackpid = 0; | |
152 | Float_t clusdata[6] = {0.,0.,0.,0.,0.,0.}; | |
b0e4d1e1 | 153 | |
154 | Int_t *irow; | |
155 | Int_t *icol; | |
156 | Int_t *itra; | |
157 | Int_t *ipid; | |
158 | Float_t *cadc; | |
159 | ||
160 | AliPMDrechit *rechit = 0x0; | |
7dcaf913 | 161 | |
162 | TBranch *branch = fTreeR->GetBranch("PMDRecpoint"); | |
ecee2a1a | 163 | if (!branch) |
164 | { | |
165 | AliError("PMDRecpoint branch not found"); | |
166 | return; | |
167 | } | |
7dcaf913 | 168 | branch->SetAddress(&fRecpoints); |
b0e4d1e1 | 169 | |
170 | TBranch *branch1 = fTreeR->GetBranch("PMDRechit"); | |
171 | if (!branch1) | |
172 | { | |
173 | AliError("PMDRechit branch not found"); | |
174 | return; | |
175 | } | |
176 | branch1->SetAddress(&fRechits); | |
d270ca46 | 177 | |
178 | Int_t ncrhit = 0; | |
26f1ae17 | 179 | Int_t nmodules = (Int_t) branch->GetEntries(); |
180 | ||
ecee2a1a | 181 | AliDebug(1,Form("Number of modules filled in treeR = %d",nmodules)); |
7dcaf913 | 182 | for (Int_t imodule = 0; imodule < nmodules; imodule++) |
183 | { | |
26f1ae17 | 184 | branch->GetEntry(imodule); |
7dcaf913 | 185 | Int_t nentries = fRecpoints->GetLast(); |
ecee2a1a | 186 | AliDebug(2,Form("Number of clusters per modules filled in treeR = %d" |
187 | ,nentries)); | |
b0e4d1e1 | 188 | |
7dcaf913 | 189 | for(Int_t ient = 0; ient < nentries+1; ient++) |
190 | { | |
191 | fPMDrecpoint = (AliPMDrecpoint1*)fRecpoints->UncheckedAt(ient); | |
192 | idet = fPMDrecpoint->GetDetector(); | |
193 | ismn = fPMDrecpoint->GetSMNumber(); | |
194 | clusdata[0] = fPMDrecpoint->GetClusX(); | |
195 | clusdata[1] = fPMDrecpoint->GetClusY(); | |
196 | clusdata[2] = fPMDrecpoint->GetClusADC(); | |
197 | clusdata[3] = fPMDrecpoint->GetClusCells(); | |
26f1ae17 | 198 | clusdata[4] = fPMDrecpoint->GetClusSigmaX(); |
199 | clusdata[5] = fPMDrecpoint->GetClusSigmaY(); | |
4b1e197e | 200 | |
e6ba3040 | 201 | if (clusdata[4] >= 0. && clusdata[5] >= 0.) |
920e13db | 202 | { |
b0e4d1e1 | 203 | // extract the associated cell information |
204 | branch1->GetEntry(ncrhit); | |
205 | Int_t nenbr1 = fRechits->GetLast() + 1; | |
206 | ||
207 | irow = new Int_t[nenbr1]; | |
208 | icol = new Int_t[nenbr1]; | |
209 | itra = new Int_t[nenbr1]; | |
210 | ipid = new Int_t[nenbr1]; | |
211 | cadc = new Float_t[nenbr1]; | |
4b1e197e | 212 | |
b0e4d1e1 | 213 | for (Int_t ient1 = 0; ient1 < nenbr1; ient1++) |
214 | { | |
215 | rechit = (AliPMDrechit*)fRechits->UncheckedAt(ient1); | |
216 | //irow[ient1] = rechit->GetCellX(); | |
217 | //icol[ient1] = rechit->GetCellY(); | |
218 | itra[ient1] = rechit->GetCellTrack(); | |
219 | ipid[ient1] = rechit->GetCellPid(); | |
220 | cadc[ient1] = rechit->GetCellAdc(); | |
221 | } | |
4b1e197e | 222 | if (idet == 0) |
223 | { | |
224 | AssignTrPidToCluster(nenbr1, itra, ipid, cadc, | |
225 | trackno, trackpid); | |
226 | } | |
227 | else if (idet == 1) | |
228 | { | |
229 | trackno = itra[0]; | |
230 | trackpid = ipid[0]; | |
231 | } | |
b0e4d1e1 | 232 | |
233 | delete [] irow; | |
234 | delete [] icol; | |
235 | delete [] itra; | |
236 | delete [] ipid; | |
237 | delete [] cadc; | |
238 | ||
239 | fPMDclin = new AliPMDrecdata(idet,ismn,trackno,trackpid,clusdata); | |
920e13db | 240 | fPMDcontin->Add(fPMDclin); |
b0e4d1e1 | 241 | |
242 | ncrhit++; | |
920e13db | 243 | } |
7dcaf913 | 244 | } |
245 | } | |
246 | ||
69c38808 | 247 | AliPMDEmpDiscriminator pmddiscriminator; |
248 | pmddiscriminator.Discrimination(fPMDcontin,fPMDcontout); | |
7dcaf913 | 249 | |
32b0cad8 | 250 | // alignment implemention |
251 | ||
252 | Double_t sectr[4][3] = { {0.,0.,0.},{0.,0.,0.},{0.,0.,0.},{0.,0.,0.}}; | |
253 | TString snsector="PMD/Sector"; | |
254 | TString symname; | |
255 | TGeoHMatrix gpmdor; | |
256 | ||
257 | for(Int_t isector=1; isector<=4; isector++) | |
258 | { | |
259 | symname = snsector; | |
260 | symname += isector; | |
261 | TGeoHMatrix *gpmdal = AliGeomManager::GetMatrix(symname); | |
262 | Double_t *tral = gpmdal->GetTranslation(); | |
263 | ||
264 | AliGeomManager::GetOrigGlobalMatrix(symname, gpmdor); | |
265 | Double_t *tror = gpmdor.GetTranslation(); | |
266 | ||
267 | for(Int_t ixyz=0; ixyz<3; ixyz++) | |
268 | { | |
269 | sectr[isector-1][ixyz] = tral[ixyz] - tror[ixyz]; | |
270 | } | |
271 | } | |
272 | ||
50555ba1 | 273 | const Float_t kzpos = 361.5; // middle of the PMD |
01c4d84a | 274 | |
e38d8aee | 275 | Int_t ix = -1, iy = -1; |
be8b7039 | 276 | Int_t det = 0, smn = 0, trno = 1, trpid = 0, mstat = 0; |
277 | Float_t xpos = 0., ypos = 0.; | |
278 | Float_t adc = 0., ncell = 0., radx = 0., rady = 0.; | |
01c4d84a | 279 | Float_t xglobal = 0., yglobal = 0., zglobal = 0; |
be8b7039 | 280 | Float_t pid = 0.; |
7dcaf913 | 281 | |
32b0cad8 | 282 | fPMDutil->ApplyAlignment(sectr); |
7dcaf913 | 283 | |
284 | Int_t nentries2 = fPMDcontout->GetEntries(); | |
ecee2a1a | 285 | AliDebug(1,Form("Number of clusters coming after discrimination = %d" |
286 | ,nentries2)); | |
7dcaf913 | 287 | for (Int_t ient1 = 0; ient1 < nentries2; ient1++) |
288 | { | |
289 | fPMDclout = (AliPMDclupid*)fPMDcontout->UncheckedAt(ient1); | |
290 | ||
291 | det = fPMDclout->GetDetector(); | |
292 | smn = fPMDclout->GetSMN(); | |
b0e4d1e1 | 293 | trno = fPMDclout->GetClusTrackNo(); |
294 | trpid = fPMDclout->GetClusTrackPid(); | |
295 | mstat = fPMDclout->GetClusMatching(); | |
7dcaf913 | 296 | xpos = fPMDclout->GetClusX(); |
297 | ypos = fPMDclout->GetClusY(); | |
298 | adc = fPMDclout->GetClusADC(); | |
299 | ncell = fPMDclout->GetClusCells(); | |
b0e4d1e1 | 300 | radx = fPMDclout->GetClusSigmaX(); |
6db43724 | 301 | // Here in the variable "rady" we are keeping the row and col |
302 | // of the single isolated cluster having ncell = 1 for offline | |
303 | // calibration | |
304 | ||
305 | if ((radx > 999. && radx < 1000.) && ncell == 1) | |
306 | { | |
307 | if (smn < 12) | |
308 | { | |
309 | ix = (Int_t) (ypos +0.5); | |
310 | iy = (Int_t) xpos; | |
311 | } | |
312 | else if (smn > 12 && smn < 24) | |
313 | { | |
314 | ix = (Int_t) xpos; | |
315 | iy = (Int_t) (ypos +0.5); | |
316 | } | |
317 | rady = (Float_t) (ix*100 + iy); | |
318 | } | |
319 | else | |
320 | { | |
321 | rady = fPMDclout->GetClusSigmaY(); | |
322 | } | |
7dcaf913 | 323 | pid = fPMDclout->GetClusPID(); |
324 | ||
7dcaf913 | 325 | // |
326 | /********************************************************************** | |
327 | * det : Detector, 0: PRE & 1:CPV * | |
01c4d84a | 328 | * smn : Serial Module Number 0 to 23 for each plane * |
7dcaf913 | 329 | * xpos : x-position of the cluster * |
330 | * ypos : y-position of the cluster * | |
331 | * THESE xpos & ypos are not the true xpos and ypos * | |
332 | * for some of the unit modules. They are rotated. * | |
333 | * adc : ADC contained in the cluster * | |
334 | * ncell : Number of cells contained in the cluster * | |
335 | * rad : radius of the cluster (1d fit) * | |
7dcaf913 | 336 | **********************************************************************/ |
337 | // | |
01c4d84a | 338 | |
26f1ae17 | 339 | |
340 | if (det == 0) | |
341 | { | |
dc461f61 | 342 | zglobal = kzpos + 1.65; // PREshower plane |
26f1ae17 | 343 | } |
344 | else if (det == 1) | |
345 | { | |
dc461f61 | 346 | zglobal = kzpos - 1.65; // CPV plane |
26f1ae17 | 347 | } |
348 | ||
dc461f61 | 349 | fPMDutil->RectGeomCellPos(smn,xpos,ypos,xglobal,yglobal,zglobal); |
350 | ||
7dcaf913 | 351 | // Fill ESD |
352 | ||
353 | AliESDPmdTrack *esdpmdtr = new AliESDPmdTrack(); | |
354 | ||
355 | esdpmdtr->SetDetector(det); | |
c6f4d28b | 356 | esdpmdtr->SetSmn(smn); |
357 | esdpmdtr->SetClusterTrackNo(trno); | |
358 | esdpmdtr->SetClusterTrackPid(trpid); | |
359 | esdpmdtr->SetClusterMatching(mstat); | |
360 | ||
26f1ae17 | 361 | esdpmdtr->SetClusterX(xglobal); |
362 | esdpmdtr->SetClusterY(yglobal); | |
363 | esdpmdtr->SetClusterZ(zglobal); | |
7dcaf913 | 364 | esdpmdtr->SetClusterADC(adc); |
26f1ae17 | 365 | esdpmdtr->SetClusterCells(ncell); |
7dcaf913 | 366 | esdpmdtr->SetClusterPID(pid); |
c6f4d28b | 367 | esdpmdtr->SetClusterSigmaX(radx); |
368 | esdpmdtr->SetClusterSigmaY(rady); | |
7dcaf913 | 369 | |
370 | event->AddPmdTrack(esdpmdtr); | |
69c38808 | 371 | delete esdpmdtr; |
7dcaf913 | 372 | } |
a1e9ac09 | 373 | |
374 | fPMDcontin->Delete(); | |
375 | fPMDcontout->Delete(); | |
376 | ||
b0e4d1e1 | 377 | } |
378 | //--------------------------------------------------------------------// | |
379 | void AliPMDtracker::AssignTrPidToCluster(Int_t nentry, Int_t *itra, | |
380 | Int_t *ipid, Float_t *cadc, | |
381 | Int_t &trackno, Int_t &trackpid) | |
382 | { | |
383 | // assign the track number and the corresponding pid to a cluster | |
384 | // split cluster part will be done at the time of calculating eff/pur | |
385 | ||
386 | Int_t *phentry = new Int_t [nentry]; | |
a6621fb4 | 387 | Int_t *hadentry = new Int_t [nentry]; |
b0e4d1e1 | 388 | Int_t *trenergy = 0x0; |
a6621fb4 | 389 | Int_t *trpid = 0x0; |
b0e4d1e1 | 390 | Int_t *sortcoord = 0x0; |
391 | ||
392 | Int_t ngtrack = 0; | |
a6621fb4 | 393 | Int_t nhtrack = 0; |
b0e4d1e1 | 394 | for (Int_t i = 0; i < nentry; i++) |
395 | { | |
396 | phentry[i] = -1; | |
a6621fb4 | 397 | hadentry[i] = -1; |
398 | ||
b0e4d1e1 | 399 | if (ipid[i] == 22) |
400 | { | |
401 | phentry[ngtrack] = i; | |
402 | ngtrack++; | |
403 | } | |
a6621fb4 | 404 | else if (ipid[i] != 22) |
405 | { | |
406 | hadentry[nhtrack] = i; | |
407 | nhtrack++; | |
408 | } | |
b0e4d1e1 | 409 | } |
4b1e197e | 410 | |
a6621fb4 | 411 | Int_t nghadtrack = ngtrack + nhtrack; |
412 | ||
b0e4d1e1 | 413 | if (ngtrack == 0) |
414 | { | |
415 | // hadron track | |
416 | // no need of track number, set to -1 | |
417 | trackpid = 8; | |
418 | trackno = -1; | |
419 | } | |
a6621fb4 | 420 | else if (ngtrack >= 1) |
b0e4d1e1 | 421 | { |
a6621fb4 | 422 | // one or more than one photon track + charged track |
423 | // find out which track deposits maximum energy and | |
424 | // assign that track number and track pid | |
425 | ||
426 | trenergy = new Int_t [nghadtrack]; | |
427 | trpid = new Int_t [nghadtrack]; | |
428 | sortcoord = new Int_t [nghadtrack]; | |
b0e4d1e1 | 429 | for (Int_t i = 0; i < ngtrack; i++) |
430 | { | |
431 | trenergy[i] = 0.; | |
a6621fb4 | 432 | trpid[i] = -1; |
b0e4d1e1 | 433 | for (Int_t j = 0; j < nentry; j++) |
434 | { | |
435 | if (ipid[j] == 22 && itra[j] == itra[phentry[i]]) | |
436 | { | |
437 | trenergy[i] += cadc[j]; | |
a6621fb4 | 438 | trpid[i] = 22; |
439 | } | |
440 | } | |
441 | } | |
442 | for (Int_t i = ngtrack; i < nghadtrack; i++) | |
443 | { | |
444 | trenergy[i] = 0.; | |
445 | trpid[i] = -1; | |
446 | for (Int_t j = 0; j < nentry; j++) | |
447 | { | |
448 | if (ipid[j] != 22 && itra[j] == itra[hadentry[i-ngtrack]]) | |
449 | { | |
450 | trenergy[i] += cadc[j]; | |
451 | trpid[i] = ipid[j]; | |
b0e4d1e1 | 452 | } |
453 | } | |
454 | } | |
4b1e197e | 455 | |
b0e4d1e1 | 456 | Bool_t jsort = true; |
a6621fb4 | 457 | TMath::Sort(nghadtrack,trenergy,sortcoord,jsort); |
4b1e197e | 458 | |
b0e4d1e1 | 459 | Int_t gtr = sortcoord[0]; |
a6621fb4 | 460 | if (trpid[gtr] == 22) |
461 | { | |
462 | trackpid = 22; | |
463 | trackno = itra[phentry[gtr]]; // highest adc track | |
464 | } | |
465 | else | |
466 | { | |
467 | trackpid = 8; | |
468 | trackno = -1; | |
469 | } | |
4b1e197e | 470 | |
b0e4d1e1 | 471 | delete [] trenergy; |
a6621fb4 | 472 | delete [] trpid; |
b0e4d1e1 | 473 | delete [] sortcoord; |
4b1e197e | 474 | |
a6621fb4 | 475 | } // end of ngtrack >= 1 |
4b1e197e | 476 | |
7dcaf913 | 477 | } |
478 | //--------------------------------------------------------------------// | |
479 | void AliPMDtracker::SetVertex(Double_t vtx[3], Double_t evtx[3]) | |
480 | { | |
481 | fXvertex = vtx[0]; | |
482 | fYvertex = vtx[1]; | |
483 | fZvertex = vtx[2]; | |
484 | fSigmaX = evtx[0]; | |
485 | fSigmaY = evtx[1]; | |
486 | fSigmaZ = evtx[2]; | |
487 | } | |
488 | //--------------------------------------------------------------------// | |
7dcaf913 | 489 | void AliPMDtracker::ResetClusters() |
490 | { | |
491 | if (fRecpoints) fRecpoints->Clear(); | |
492 | } | |
493 | //--------------------------------------------------------------------// |