]>
Commit | Line | Data |
---|---|---|
4c039060 | 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 | $Log$ | |
afc42102 | 18 | Revision 1.37 2001/06/12 07:17:18 kowal2 |
19 | Hits2SDigits method implemented (summable digits) | |
20 | ||
f8cf550c | 21 | Revision 1.36 2001/05/16 14:57:25 alibrary |
22 | New files for folders and Stack | |
23 | ||
9e1a0ddb | 24 | Revision 1.35 2001/05/08 16:02:22 kowal2 |
25 | Updated material specifications | |
26 | ||
ba1d05f9 | 27 | Revision 1.34 2001/05/08 15:00:15 hristov |
28 | Corrections for tracking in arbitrary magnenetic field. Changes towards a concept of global Alice track. Back propagation of reconstructed tracks (Yu.Belikov) | |
29 | ||
b9de75e1 | 30 | Revision 1.33 2001/04/03 12:40:43 kowal2 |
31 | Removed printouts | |
32 | ||
5a28a08f | 33 | Revision 1.32 2001/03/12 17:47:36 hristov |
34 | Changes needed on Sun with CC 5.0 | |
35 | ||
5cf7bbad | 36 | Revision 1.31 2001/03/12 08:21:50 kowal2 |
37 | Corrected C++ bug in the material definitions | |
38 | ||
9a3667bd | 39 | Revision 1.30 2001/03/01 17:34:47 kowal2 |
40 | Correction due to the accuracy problem | |
41 | ||
710dacf5 | 42 | Revision 1.29 2001/02/28 16:34:40 kowal2 |
43 | Protection against nonphysical values of the avalanche size, | |
44 | 10**6 is the maximum | |
45 | ||
1705494b | 46 | Revision 1.28 2001/01/26 19:57:19 hristov |
47 | Major upgrade of AliRoot code | |
48 | ||
2ab0c725 | 49 | Revision 1.27 2001/01/13 17:29:33 kowal2 |
50 | Sun compiler correction | |
51 | ||
f2e8b846 | 52 | Revision 1.26 2001/01/10 07:59:43 kowal2 |
53 | Corrections to load points from the noncompressed hits. | |
54 | ||
53048f2e | 55 | Revision 1.25 2000/11/02 07:25:31 kowal2 |
56 | Changes due to the new hit structure. | |
57 | Memory leak removed. | |
58 | ||
39c8eb58 | 59 | Revision 1.24 2000/10/05 16:06:09 kowal2 |
60 | Forward declarations. Changes due to a new class AliComplexCluster. | |
61 | ||
2b06d5c3 | 62 | Revision 1.23 2000/10/02 21:28:18 fca |
63 | Removal of useless dependecies via forward declarations | |
64 | ||
94de3818 | 65 | Revision 1.22 2000/07/10 20:57:39 hristov |
66 | Update of TPC code and macros by M.Kowalski | |
67 | ||
73042f01 | 68 | Revision 1.19.2.4 2000/06/26 07:39:42 kowal2 |
69 | Changes to obey the coding rules | |
70 | ||
71 | Revision 1.19.2.3 2000/06/25 08:38:41 kowal2 | |
72 | Splitted from AliTPCtracking | |
73 | ||
74 | Revision 1.19.2.2 2000/06/16 12:59:28 kowal2 | |
75 | Changed parameter settings | |
76 | ||
77 | Revision 1.19.2.1 2000/06/09 07:15:07 kowal2 | |
78 | ||
79 | Defaults loaded automatically (hard-wired) | |
80 | Optional parameters can be set via macro called in the constructor | |
81 | ||
82 | Revision 1.19 2000/04/18 19:00:59 fca | |
83 | Small bug fixes to TPC files | |
84 | ||
4d68a14a | 85 | Revision 1.18 2000/04/17 09:37:33 kowal2 |
86 | removed obsolete AliTPCDigitsDisplay.C | |
87 | ||
cc80f89e | 88 | Revision 1.17.2.2 2000/04/10 08:15:12 kowal2 |
89 | ||
90 | New, experimental data structure from M. Ivanov | |
91 | New tracking algorithm | |
92 | Different pad geometry for different sectors | |
93 | Digitization rewritten | |
94 | ||
95 | Revision 1.17.2.1 2000/04/10 07:56:53 kowal2 | |
96 | Not used anymore - removed | |
97 | ||
98 | Revision 1.17 2000/01/19 17:17:30 fca | |
99 | Introducing a list of lists of hits -- more hits allowed for detector now | |
100 | ||
1cedd08a | 101 | Revision 1.16 1999/11/05 09:29:23 fca |
102 | Accept only signals > 0 | |
103 | ||
921bf71a | 104 | Revision 1.15 1999/10/08 06:26:53 fca |
105 | Removed ClustersIndex - not used anymore | |
106 | ||
e674b993 | 107 | Revision 1.14 1999/09/29 09:24:33 fca |
108 | Introduction of the Copyright and cvs Log | |
109 | ||
4c039060 | 110 | */ |
111 | ||
fe4da5cc | 112 | /////////////////////////////////////////////////////////////////////////////// |
113 | // // | |
114 | // Time Projection Chamber // | |
115 | // This class contains the basic functions for the Time Projection Chamber // | |
116 | // detector. Functions specific to one particular geometry are // | |
117 | // contained in the derived classes // | |
118 | // // | |
119 | //Begin_Html | |
120 | /* | |
1439f98e | 121 | <img src="picts/AliTPCClass.gif"> |
fe4da5cc | 122 | */ |
123 | //End_Html | |
124 | // // | |
8c555625 | 125 | // // |
fe4da5cc | 126 | /////////////////////////////////////////////////////////////////////////////// |
127 | ||
73042f01 | 128 | // |
129 | ||
fe4da5cc | 130 | #include <TMath.h> |
131 | #include <TRandom.h> | |
132 | #include <TVector.h> | |
8c555625 | 133 | #include <TMatrix.h> |
fe4da5cc | 134 | #include <TGeometry.h> |
135 | #include <TNode.h> | |
136 | #include <TTUBS.h> | |
137 | #include <TObjectTable.h> | |
1578254f | 138 | #include "TParticle.h" |
fe4da5cc | 139 | #include "AliTPC.h" |
afc42102 | 140 | #include <TFile.h> |
141 | #include <TROOT.h> | |
142 | #include <TSystem.h> | |
fe4da5cc | 143 | #include "AliRun.h" |
144 | #include <iostream.h> | |
2ab0c725 | 145 | #include <stdlib.h> |
fe4da5cc | 146 | #include <fstream.h> |
147 | #include "AliMC.h" | |
94de3818 | 148 | #include "AliMagF.h" |
fe4da5cc | 149 | |
cc80f89e | 150 | |
73042f01 | 151 | #include "AliTPCParamSR.h" |
8c555625 | 152 | #include "AliTPCPRF2D.h" |
153 | #include "AliTPCRF1D.h" | |
cc80f89e | 154 | #include "AliDigits.h" |
155 | #include "AliSimDigits.h" | |
39c8eb58 | 156 | #include "AliTPCTrackHits.h" |
157 | #include "AliPoints.h" | |
158 | #include "AliArrayBranch.h" | |
159 | ||
cc80f89e | 160 | |
161 | #include "AliTPCDigitsArray.h" | |
2b06d5c3 | 162 | #include "AliComplexCluster.h" |
cc80f89e | 163 | #include "AliClusters.h" |
164 | #include "AliTPCClustersRow.h" | |
165 | #include "AliTPCClustersArray.h" | |
8c555625 | 166 | |
73042f01 | 167 | #include "AliTPCcluster.h" |
168 | #include "AliTPCclusterer.h" | |
169 | #include "AliTPCtracker.h" | |
8c555625 | 170 | |
73042f01 | 171 | #include <TInterpreter.h> |
2b06d5c3 | 172 | #include <TTree.h> |
1283eee5 | 173 | |
39c8eb58 | 174 | |
175 | ||
fe4da5cc | 176 | ClassImp(AliTPC) |
177 | ||
178 | //_____________________________________________________________________________ | |
179 | AliTPC::AliTPC() | |
180 | { | |
181 | // | |
182 | // Default constructor | |
183 | // | |
184 | fIshunt = 0; | |
fe4da5cc | 185 | fHits = 0; |
186 | fDigits = 0; | |
fe4da5cc | 187 | fNsectors = 0; |
cc80f89e | 188 | //MI changes |
189 | fDigitsArray = 0; | |
190 | fClustersArray = 0; | |
afc42102 | 191 | fDefaults = 0; |
39c8eb58 | 192 | fTrackHits = 0; |
193 | fHitType = 2; | |
194 | fTPCParam = 0; | |
fe4da5cc | 195 | } |
196 | ||
197 | //_____________________________________________________________________________ | |
198 | AliTPC::AliTPC(const char *name, const char *title) | |
199 | : AliDetector(name,title) | |
200 | { | |
201 | // | |
202 | // Standard constructor | |
203 | // | |
204 | ||
205 | // | |
206 | // Initialise arrays of hits and digits | |
207 | fHits = new TClonesArray("AliTPChit", 176); | |
4d68a14a | 208 | gAlice->AddHitList(fHits); |
cc80f89e | 209 | //MI change |
210 | fDigitsArray = 0; | |
211 | fClustersArray= 0; | |
afc42102 | 212 | fDefaults = 0; |
fe4da5cc | 213 | // |
39c8eb58 | 214 | fTrackHits = new AliTPCTrackHits; //MI - 13.09.2000 |
215 | fTrackHits->SetHitPrecision(0.002); | |
216 | fTrackHits->SetStepPrecision(0.003); | |
217 | fTrackHits->SetMaxDistance(100); | |
218 | ||
219 | fHitType = 2; | |
220 | // | |
fe4da5cc | 221 | // Initialise counters |
cc80f89e | 222 | fNsectors = 0; |
cc80f89e | 223 | |
fe4da5cc | 224 | // |
225 | fIshunt = 0; | |
226 | // | |
227 | // Initialise color attributes | |
228 | SetMarkerColor(kYellow); | |
73042f01 | 229 | |
230 | // | |
231 | // Set TPC parameters | |
232 | // | |
233 | ||
afc42102 | 234 | |
235 | if (!strcmp(title,"Default")) { | |
236 | fTPCParam = new AliTPCParamSR; | |
73042f01 | 237 | } else { |
238 | cerr<<"AliTPC warning: in Config.C you must set non-default parameters\n"; | |
239 | fTPCParam=0; | |
240 | } | |
241 | ||
fe4da5cc | 242 | } |
243 | ||
244 | //_____________________________________________________________________________ | |
245 | AliTPC::~AliTPC() | |
246 | { | |
247 | // | |
248 | // TPC destructor | |
249 | // | |
73042f01 | 250 | |
fe4da5cc | 251 | fIshunt = 0; |
252 | delete fHits; | |
253 | delete fDigits; | |
73042f01 | 254 | delete fTPCParam; |
39c8eb58 | 255 | delete fTrackHits; //MI 15.09.2000 |
fe4da5cc | 256 | } |
257 | ||
fe4da5cc | 258 | //_____________________________________________________________________________ |
259 | void AliTPC::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
260 | { | |
261 | // | |
262 | // Add a hit to the list | |
263 | // | |
39c8eb58 | 264 | // TClonesArray &lhits = *fHits; |
265 | // new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
266 | if (fHitType&1){ | |
267 | TClonesArray &lhits = *fHits; | |
268 | new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
269 | } | |
270 | if (fHitType&2) | |
271 | AddHit2(track,vol,hits); | |
fe4da5cc | 272 | } |
273 | ||
fe4da5cc | 274 | //_____________________________________________________________________________ |
275 | void AliTPC::BuildGeometry() | |
276 | { | |
cc80f89e | 277 | |
fe4da5cc | 278 | // |
279 | // Build TPC ROOT TNode geometry for the event display | |
280 | // | |
73042f01 | 281 | TNode *nNode, *nTop; |
fe4da5cc | 282 | TTUBS *tubs; |
283 | Int_t i; | |
284 | const int kColorTPC=19; | |
1283eee5 | 285 | char name[5], title[25]; |
fe4da5cc | 286 | const Double_t kDegrad=TMath::Pi()/180; |
1283eee5 | 287 | const Double_t kRaddeg=180./TMath::Pi(); |
288 | ||
1283eee5 | 289 | |
73042f01 | 290 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); |
291 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
1283eee5 | 292 | |
73042f01 | 293 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); |
294 | Float_t outerAngleShift = fTPCParam->GetOuterAngleShift(); | |
1283eee5 | 295 | |
296 | Int_t nLo = fTPCParam->GetNInnerSector()/2; | |
297 | Int_t nHi = fTPCParam->GetNOuterSector()/2; | |
298 | ||
73042f01 | 299 | const Double_t kloAng = (Double_t)TMath::Nint(innerOpenAngle*kRaddeg); |
300 | const Double_t khiAng = (Double_t)TMath::Nint(outerOpenAngle*kRaddeg); | |
301 | const Double_t kloAngSh = (Double_t)TMath::Nint(innerAngleShift*kRaddeg); | |
302 | const Double_t khiAngSh = (Double_t)TMath::Nint(outerAngleShift*kRaddeg); | |
1283eee5 | 303 | |
304 | ||
73042f01 | 305 | const Double_t kloCorr = 1/TMath::Cos(0.5*kloAng*kDegrad); |
306 | const Double_t khiCorr = 1/TMath::Cos(0.5*khiAng*kDegrad); | |
1283eee5 | 307 | |
308 | Double_t rl,ru; | |
309 | ||
310 | ||
fe4da5cc | 311 | // |
312 | // Get ALICE top node | |
fe4da5cc | 313 | // |
1283eee5 | 314 | |
73042f01 | 315 | nTop=gAlice->GetGeometry()->GetNode("alice"); |
1283eee5 | 316 | |
317 | // inner sectors | |
318 | ||
cc80f89e | 319 | rl = fTPCParam->GetInnerRadiusLow(); |
320 | ru = fTPCParam->GetInnerRadiusUp(); | |
1283eee5 | 321 | |
322 | ||
fe4da5cc | 323 | for(i=0;i<nLo;i++) { |
324 | sprintf(name,"LS%2.2d",i); | |
1283eee5 | 325 | name[4]='\0'; |
326 | sprintf(title,"TPC low sector %3d",i); | |
327 | title[24]='\0'; | |
328 | ||
73042f01 | 329 | tubs = new TTUBS(name,title,"void",rl*kloCorr,ru*kloCorr,250., |
330 | kloAng*(i-0.5)+kloAngSh,kloAng*(i+0.5)+kloAngSh); | |
fe4da5cc | 331 | tubs->SetNumberOfDivisions(1); |
73042f01 | 332 | nTop->cd(); |
333 | nNode = new TNode(name,title,name,0,0,0,""); | |
334 | nNode->SetLineColor(kColorTPC); | |
335 | fNodes->Add(nNode); | |
fe4da5cc | 336 | } |
1283eee5 | 337 | |
fe4da5cc | 338 | // Outer sectors |
1283eee5 | 339 | |
cc80f89e | 340 | rl = fTPCParam->GetOuterRadiusLow(); |
341 | ru = fTPCParam->GetOuterRadiusUp(); | |
1283eee5 | 342 | |
fe4da5cc | 343 | for(i=0;i<nHi;i++) { |
344 | sprintf(name,"US%2.2d",i); | |
1283eee5 | 345 | name[4]='\0'; |
fe4da5cc | 346 | sprintf(title,"TPC upper sector %d",i); |
1283eee5 | 347 | title[24]='\0'; |
73042f01 | 348 | tubs = new TTUBS(name,title,"void",rl*khiCorr,ru*khiCorr,250, |
349 | khiAng*(i-0.5)+khiAngSh,khiAng*(i+0.5)+khiAngSh); | |
fe4da5cc | 350 | tubs->SetNumberOfDivisions(1); |
73042f01 | 351 | nTop->cd(); |
352 | nNode = new TNode(name,title,name,0,0,0,""); | |
353 | nNode->SetLineColor(kColorTPC); | |
354 | fNodes->Add(nNode); | |
fe4da5cc | 355 | } |
cc80f89e | 356 | |
73042f01 | 357 | } |
1283eee5 | 358 | |
fe4da5cc | 359 | //_____________________________________________________________________________ |
360 | Int_t AliTPC::DistancetoPrimitive(Int_t , Int_t ) | |
361 | { | |
362 | // | |
363 | // Calculate distance from TPC to mouse on the display | |
364 | // Dummy procedure | |
365 | // | |
366 | return 9999; | |
367 | } | |
368 | ||
73042f01 | 369 | void AliTPC::Clusters2Tracks(TFile *of) { |
3c0f9266 | 370 | //----------------------------------------------------------------- |
371 | // This is a track finder. | |
3c0f9266 | 372 | //----------------------------------------------------------------- |
b9de75e1 | 373 | AliTPCtracker tracker(fTPCParam); |
374 | tracker.Clusters2Tracks(gFile,of); | |
fe4da5cc | 375 | } |
376 | ||
377 | //_____________________________________________________________________________ | |
378 | void AliTPC::CreateMaterials() | |
379 | { | |
8c555625 | 380 | //----------------------------------------------- |
37831078 | 381 | // Create Materials for for TPC simulations |
8c555625 | 382 | //----------------------------------------------- |
383 | ||
384 | //----------------------------------------------------------------- | |
385 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
386 | //----------------------------------------------------------------- | |
1283eee5 | 387 | |
73042f01 | 388 | Int_t iSXFLD=gAlice->Field()->Integ(); |
389 | Float_t sXMGMX=gAlice->Field()->Max(); | |
1283eee5 | 390 | |
391 | Float_t amat[5]; // atomic numbers | |
392 | Float_t zmat[5]; // z | |
393 | Float_t wmat[5]; // proportions | |
394 | ||
395 | Float_t density; | |
37831078 | 396 | Float_t apure[2]; |
1283eee5 | 397 | |
1283eee5 | 398 | |
37831078 | 399 | //***************** Gases ************************* |
400 | ||
401 | //------------------------------------------------- | |
1283eee5 | 402 | // pure gases |
37831078 | 403 | //------------------------------------------------- |
1283eee5 | 404 | |
37831078 | 405 | // Neon |
1283eee5 | 406 | |
407 | ||
37831078 | 408 | amat[0]= 20.18; |
409 | zmat[0]= 10.; | |
1283eee5 | 410 | density = 0.0009; |
37831078 | 411 | |
412 | apure[0]=amat[0]; | |
1283eee5 | 413 | |
37831078 | 414 | AliMaterial(20,"Ne",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 415 | |
37831078 | 416 | // Argon |
1283eee5 | 417 | |
37831078 | 418 | amat[0]= 39.948; |
419 | zmat[0]= 18.; | |
420 | density = 0.001782; | |
1283eee5 | 421 | |
37831078 | 422 | apure[1]=amat[0]; |
1283eee5 | 423 | |
37831078 | 424 | AliMaterial(21,"Ar",amat[0],zmat[0],density,999.,999.); |
425 | ||
1283eee5 | 426 | |
427 | //-------------------------------------------------------------- | |
428 | // gases - compounds | |
429 | //-------------------------------------------------------------- | |
430 | ||
431 | Float_t amol[3]; | |
432 | ||
37831078 | 433 | // CO2 |
1283eee5 | 434 | |
435 | amat[0]=12.011; | |
436 | amat[1]=15.9994; | |
437 | ||
438 | zmat[0]=6.; | |
439 | zmat[1]=8.; | |
440 | ||
441 | wmat[0]=1.; | |
442 | wmat[1]=2.; | |
443 | ||
444 | density=0.001977; | |
445 | ||
446 | amol[0] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
447 | ||
448 | AliMixture(10,"CO2",amat,zmat,density,-2,wmat); | |
37831078 | 449 | |
1283eee5 | 450 | // CF4 |
451 | ||
452 | amat[0]=12.011; | |
453 | amat[1]=18.998; | |
454 | ||
455 | zmat[0]=6.; | |
456 | zmat[1]=9.; | |
457 | ||
458 | wmat[0]=1.; | |
459 | wmat[1]=4.; | |
460 | ||
461 | density=0.003034; | |
462 | ||
463 | amol[1] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
464 | ||
465 | AliMixture(11,"CF4",amat,zmat,density,-2,wmat); | |
466 | ||
37831078 | 467 | |
1283eee5 | 468 | // CH4 |
469 | ||
470 | amat[0]=12.011; | |
471 | amat[1]=1.; | |
472 | ||
473 | zmat[0]=6.; | |
474 | zmat[1]=1.; | |
475 | ||
476 | wmat[0]=1.; | |
477 | wmat[1]=4.; | |
478 | ||
479 | density=0.000717; | |
480 | ||
481 | amol[2] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
482 | ||
483 | AliMixture(12,"CH4",amat,zmat,density,-2,wmat); | |
484 | ||
485 | //---------------------------------------------------------------- | |
486 | // gases - mixtures, ID >= 20 pure gases, <= 10 ID < 20 -compounds | |
487 | //---------------------------------------------------------------- | |
37831078 | 488 | |
489 | char namate[21]; | |
1283eee5 | 490 | density = 0.; |
491 | Float_t am=0; | |
492 | Int_t nc; | |
37831078 | 493 | Float_t rho,absl,X0,buf[1]; |
1283eee5 | 494 | Int_t nbuf; |
37831078 | 495 | Float_t a,z; |
1283eee5 | 496 | |
497 | for(nc = 0;nc<fNoComp;nc++) | |
498 | { | |
499 | ||
500 | // retrive material constants | |
501 | ||
37831078 | 502 | gMC->Gfmate((*fIdmate)[fMixtComp[nc]],namate,a,z,rho,X0,absl,buf,nbuf); |
1283eee5 | 503 | |
504 | amat[nc] = a; | |
505 | zmat[nc] = z; | |
506 | ||
507 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
508 | ||
37831078 | 509 | am += fMixtProp[nc]*((fMixtComp[nc]>=20) ? apure[nnc] : amol[nnc]); |
1283eee5 | 510 | density += fMixtProp[nc]*rho; // density of the mixture |
511 | ||
512 | } | |
513 | ||
514 | // mixture proportions by weight! | |
515 | ||
516 | for(nc = 0;nc<fNoComp;nc++) | |
517 | { | |
518 | ||
519 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
520 | ||
37831078 | 521 | wmat[nc] = fMixtProp[nc]*((fMixtComp[nc]>=20) ? |
522 | apure[nnc] : amol[nnc])/am; | |
523 | ||
524 | } | |
525 | ||
526 | // Drift gases 1 - nonsensitive, 2 - sensitive | |
1283eee5 | 527 | |
1283eee5 | 528 | AliMixture(31,"Drift gas 1",amat,zmat,density,fNoComp,wmat); |
529 | AliMixture(32,"Drift gas 2",amat,zmat,density,fNoComp,wmat); | |
1283eee5 | 530 | |
1283eee5 | 531 | |
37831078 | 532 | // Air |
533 | ||
534 | amat[0] = 14.61; | |
535 | zmat[0] = 7.3; | |
536 | density = 0.001205; | |
1283eee5 | 537 | |
37831078 | 538 | AliMaterial(24,"Air",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 539 | |
1283eee5 | 540 | |
541 | //---------------------------------------------------------------------- | |
542 | // solid materials | |
543 | //---------------------------------------------------------------------- | |
544 | ||
1283eee5 | 545 | |
37831078 | 546 | // Kevlar C14H22O2N2 |
1283eee5 | 547 | |
37831078 | 548 | amat[0] = 12.011; |
549 | amat[1] = 1.; | |
550 | amat[2] = 15.999; | |
551 | amat[3] = 14.006; | |
1283eee5 | 552 | |
37831078 | 553 | zmat[0] = 6.; |
554 | zmat[1] = 1.; | |
555 | zmat[2] = 8.; | |
556 | zmat[3] = 7.; | |
557 | ||
558 | wmat[0] = 14.; | |
559 | wmat[1] = 22.; | |
560 | wmat[2] = 2.; | |
561 | wmat[3] = 2.; | |
562 | ||
563 | density = 1.45; | |
564 | ||
565 | AliMixture(34,"Kevlar",amat,zmat,density,-4,wmat); | |
566 | ||
567 | // NOMEX | |
1283eee5 | 568 | |
37831078 | 569 | amat[0] = 12.011; |
570 | amat[1] = 1.; | |
571 | amat[2] = 15.999; | |
572 | amat[3] = 14.006; | |
573 | ||
574 | zmat[0] = 6.; | |
575 | zmat[1] = 1.; | |
576 | zmat[2] = 8.; | |
577 | zmat[3] = 7.; | |
578 | ||
579 | wmat[0] = 14.; | |
580 | wmat[1] = 22.; | |
581 | wmat[2] = 2.; | |
582 | wmat[3] = 2.; | |
583 | ||
584 | density = 0.03; | |
1283eee5 | 585 | |
fe4da5cc | 586 | |
37831078 | 587 | AliMixture(35,"NOMEX",amat,zmat,density,-4,wmat); |
588 | ||
589 | // Makrolon C16H18O3 | |
590 | ||
591 | amat[0] = 12.011; | |
592 | amat[1] = 1.; | |
593 | amat[2] = 15.999; | |
1283eee5 | 594 | |
37831078 | 595 | zmat[0] = 6.; |
596 | zmat[1] = 1.; | |
597 | zmat[2] = 8.; | |
598 | ||
599 | wmat[0] = 16.; | |
600 | wmat[1] = 18.; | |
601 | wmat[2] = 3.; | |
602 | ||
603 | density = 1.2; | |
604 | ||
605 | AliMixture(36,"Makrolon",amat,zmat,density,-3,wmat); | |
606 | ||
1283eee5 | 607 | // Mylar C5H4O2 |
608 | ||
609 | amat[0]=12.011; | |
610 | amat[1]=1.; | |
611 | amat[2]=15.9994; | |
612 | ||
613 | zmat[0]=6.; | |
614 | zmat[1]=1.; | |
615 | zmat[2]=8.; | |
616 | ||
617 | wmat[0]=5.; | |
618 | wmat[1]=4.; | |
619 | wmat[2]=2.; | |
620 | ||
621 | density = 1.39; | |
fe4da5cc | 622 | |
37831078 | 623 | AliMixture(37, "Mylar",amat,zmat,density,-3,wmat); |
1283eee5 | 624 | |
ba1d05f9 | 625 | // SiO2 - used later for the glass fiber |
1283eee5 | 626 | |
37831078 | 627 | amat[0]=28.086; |
628 | amat[1]=15.9994; | |
1283eee5 | 629 | |
37831078 | 630 | zmat[0]=14.; |
631 | zmat[1]=8.; | |
1283eee5 | 632 | |
37831078 | 633 | wmat[0]=1.; |
634 | wmat[1]=2.; | |
1283eee5 | 635 | |
1283eee5 | 636 | |
ba1d05f9 | 637 | AliMixture(38,"SiO2",amat,zmat,2.2,-2,wmat); //SiO2 - quartz (rho=2.2) |
1283eee5 | 638 | |
37831078 | 639 | // Al |
1283eee5 | 640 | |
37831078 | 641 | amat[0] = 26.98; |
642 | zmat[0] = 13.; | |
1283eee5 | 643 | |
37831078 | 644 | density = 2.7; |
1283eee5 | 645 | |
37831078 | 646 | AliMaterial(40,"Al",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 647 | |
37831078 | 648 | // Si |
1283eee5 | 649 | |
37831078 | 650 | amat[0] = 28.086; |
9a3667bd | 651 | zmat[0] = 14.; |
1283eee5 | 652 | |
37831078 | 653 | density = 2.33; |
1283eee5 | 654 | |
37831078 | 655 | AliMaterial(41,"Si",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 656 | |
37831078 | 657 | // Cu |
1283eee5 | 658 | |
37831078 | 659 | amat[0] = 63.546; |
660 | zmat[0] = 29.; | |
1283eee5 | 661 | |
37831078 | 662 | density = 8.96; |
1283eee5 | 663 | |
37831078 | 664 | AliMaterial(42,"Cu",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 665 | |
37831078 | 666 | // Tedlar C2H3F |
1283eee5 | 667 | |
37831078 | 668 | amat[0] = 12.011; |
669 | amat[1] = 1.; | |
670 | amat[2] = 18.998; | |
1283eee5 | 671 | |
37831078 | 672 | zmat[0] = 6.; |
673 | zmat[1] = 1.; | |
674 | zmat[2] = 9.; | |
1283eee5 | 675 | |
37831078 | 676 | wmat[0] = 2.; |
677 | wmat[1] = 3.; | |
678 | wmat[2] = 1.; | |
1283eee5 | 679 | |
37831078 | 680 | density = 1.71; |
1283eee5 | 681 | |
37831078 | 682 | AliMixture(43, "Tedlar",amat,zmat,density,-3,wmat); |
1283eee5 | 683 | |
1283eee5 | 684 | |
37831078 | 685 | // Plexiglas C5H8O2 |
1283eee5 | 686 | |
37831078 | 687 | amat[0]=12.011; |
688 | amat[1]=1.; | |
689 | amat[2]=15.9994; | |
1283eee5 | 690 | |
37831078 | 691 | zmat[0]=6.; |
692 | zmat[1]=1.; | |
693 | zmat[2]=8.; | |
1283eee5 | 694 | |
37831078 | 695 | wmat[0]=5.; |
696 | wmat[1]=8.; | |
697 | wmat[2]=2.; | |
1283eee5 | 698 | |
37831078 | 699 | density=1.18; |
1283eee5 | 700 | |
37831078 | 701 | AliMixture(44,"Plexiglas",amat,zmat,density,-3,wmat); |
1283eee5 | 702 | |
ba1d05f9 | 703 | // Epoxy - C14 H20 O3 |
1283eee5 | 704 | |
5a28a08f | 705 | |
706 | amat[0]=12.011; | |
707 | amat[1]=1.; | |
708 | amat[2]=15.9994; | |
709 | ||
710 | zmat[0]=6.; | |
711 | zmat[1]=1.; | |
712 | zmat[2]=8.; | |
713 | ||
ba1d05f9 | 714 | wmat[0]=14.; |
715 | wmat[1]=20.; | |
5a28a08f | 716 | wmat[2]=3.; |
717 | ||
ba1d05f9 | 718 | density=1.25; |
5a28a08f | 719 | |
720 | AliMixture(45,"Epoxy",amat,zmat,density,-3,wmat); | |
37831078 | 721 | |
ba1d05f9 | 722 | // Carbon |
723 | ||
724 | amat[0]=12.011; | |
725 | zmat[0]=6.; | |
726 | density= 2.265; | |
727 | ||
728 | AliMaterial(46,"C",amat[0],zmat[0],density,999.,999.); | |
729 | ||
730 | // get epoxy | |
731 | ||
732 | gMC->Gfmate((*fIdmate)[45],namate,amat[1],zmat[1],rho,X0,absl,buf,nbuf); | |
733 | ||
734 | // Carbon fiber | |
735 | ||
736 | wmat[0]=0.644; // by weight! | |
737 | wmat[1]=0.356; | |
738 | ||
739 | density=0.5*(1.25+2.265); | |
740 | ||
741 | AliMixture(47,"Cfiber",amat,zmat,density,2,wmat); | |
742 | ||
743 | // get SiO2 | |
744 | ||
745 | gMC->Gfmate((*fIdmate)[38],namate,amat[0],zmat[0],rho,X0,absl,buf,nbuf); | |
746 | ||
747 | wmat[0]=0.725; // by weight! | |
748 | wmat[1]=0.275; | |
749 | ||
750 | density=1.7; | |
751 | ||
752 | AliMixture(39,"G10",amat,zmat,density,2,wmat); | |
753 | ||
754 | ||
755 | ||
756 | ||
37831078 | 757 | //---------------------------------------------------------- |
758 | // tracking media for gases | |
759 | //---------------------------------------------------------- | |
760 | ||
761 | AliMedium(0, "Air", 24, 0, iSXFLD, sXMGMX, 10., 999., .1, .01, .1); | |
762 | AliMedium(1, "Drift gas 1", 31, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
763 | AliMedium(2, "Drift gas 2", 32, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
764 | AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001); | |
765 | ||
766 | //----------------------------------------------------------- | |
767 | // tracking media for solids | |
768 | //----------------------------------------------------------- | |
769 | ||
770 | AliMedium(4,"Al",40,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
771 | AliMedium(5,"Kevlar",34,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
772 | AliMedium(6,"Nomex",35,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
773 | AliMedium(7,"Makrolon",36,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
774 | AliMedium(8,"Mylar",37,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
775 | AliMedium(9,"Tedlar",43,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
776 | AliMedium(10,"Cu",42,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
777 | AliMedium(11,"Si",41,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
778 | AliMedium(12,"G10",39,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
779 | AliMedium(13,"Plexiglas",44,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
5a28a08f | 780 | AliMedium(14,"Epoxy",45,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); |
ba1d05f9 | 781 | AliMedium(15,"Cfiber",47,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); |
1283eee5 | 782 | |
fe4da5cc | 783 | } |
784 | ||
fe4da5cc | 785 | |
afc42102 | 786 | void AliTPC::Digits2Clusters(TFile *of, Int_t eventnumber) |
fe4da5cc | 787 | { |
3c0f9266 | 788 | //----------------------------------------------------------------- |
789 | // This is a simple cluster finder. | |
3c0f9266 | 790 | //----------------------------------------------------------------- |
afc42102 | 791 | AliTPCclusterer::Digits2Clusters(fTPCParam,of,eventnumber); |
fe4da5cc | 792 | } |
793 | ||
73042f01 | 794 | extern Double_t SigmaY2(Double_t, Double_t, Double_t); |
795 | extern Double_t SigmaZ2(Double_t, Double_t); | |
fe4da5cc | 796 | //_____________________________________________________________________________ |
afc42102 | 797 | void AliTPC::Hits2Clusters(TFile *of, Int_t eventn) |
fe4da5cc | 798 | { |
8c555625 | 799 | //-------------------------------------------------------- |
fe4da5cc | 800 | // TPC simple cluster generator from hits |
801 | // obtained from the TPC Fast Simulator | |
8c555625 | 802 | // The point errors are taken from the parametrization |
803 | //-------------------------------------------------------- | |
804 | ||
805 | //----------------------------------------------------------------- | |
806 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
807 | //----------------------------------------------------------------- | |
73042f01 | 808 | // Adopted to Marian's cluster data structure by I.Belikov, CERN, |
809 | // Jouri.Belikov@cern.ch | |
810 | //---------------------------------------------------------------- | |
811 | ||
812 | ///////////////////////////////////////////////////////////////////////////// | |
813 | // | |
814 | //--------------------------------------------------------------------- | |
815 | // ALICE TPC Cluster Parameters | |
816 | //-------------------------------------------------------------------- | |
817 | ||
818 | ||
819 | ||
820 | // Cluster width in rphi | |
821 | const Float_t kACrphi=0.18322; | |
822 | const Float_t kBCrphi=0.59551e-3; | |
823 | const Float_t kCCrphi=0.60952e-1; | |
824 | // Cluster width in z | |
825 | const Float_t kACz=0.19081; | |
826 | const Float_t kBCz=0.55938e-3; | |
827 | const Float_t kCCz=0.30428; | |
828 | ||
829 | TDirectory *savedir=gDirectory; | |
830 | ||
831 | if (!of->IsOpen()) { | |
832 | cerr<<"AliTPC::Hits2Clusters(): output file not open !\n"; | |
833 | return; | |
834 | } | |
3c0f9266 | 835 | |
afc42102 | 836 | //if(fDefaults == 0) SetDefaults(); |
cc80f89e | 837 | |
73042f01 | 838 | Float_t sigmaRphi,sigmaZ,clRphi,clZ; |
fe4da5cc | 839 | // |
1578254f | 840 | TParticle *particle; // pointer to a given particle |
fe4da5cc | 841 | AliTPChit *tpcHit; // pointer to a sigle TPC hit |
39c8eb58 | 842 | Int_t sector; |
fe4da5cc | 843 | Int_t ipart; |
844 | Float_t xyz[5]; | |
845 | Float_t pl,pt,tanth,rpad,ratio; | |
fe4da5cc | 846 | Float_t cph,sph; |
847 | ||
848 | //--------------------------------------------------------------- | |
849 | // Get the access to the tracks | |
850 | //--------------------------------------------------------------- | |
851 | ||
73042f01 | 852 | TTree *tH = gAlice->TreeH(); |
853 | Stat_t ntracks = tH->GetEntries(); | |
73042f01 | 854 | |
855 | //Switch to the output file | |
856 | of->cd(); | |
857 | ||
afc42102 | 858 | char cname[100]; |
859 | ||
860 | sprintf(cname,"TreeC_TPC_%d",eventn); | |
861 | ||
73042f01 | 862 | fTPCParam->Write(fTPCParam->GetTitle()); |
863 | AliTPCClustersArray carray; | |
864 | carray.Setup(fTPCParam); | |
865 | carray.SetClusterType("AliTPCcluster"); | |
866 | carray.MakeTree(); | |
867 | ||
868 | Int_t nclusters=0; //cluster counter | |
fe4da5cc | 869 | |
870 | //------------------------------------------------------------ | |
cc80f89e | 871 | // Loop over all sectors (72 sectors for 20 deg |
872 | // segmentation for both lower and upper sectors) | |
873 | // Sectors 0-35 are lower sectors, 0-17 z>0, 17-35 z<0 | |
3c0f9266 | 874 | // Sectors 36-71 are upper sectors, 36-53 z>0, 54-71 z<0 |
fe4da5cc | 875 | // |
3c0f9266 | 876 | // First cluster for sector 0 starts at "0" |
fe4da5cc | 877 | //------------------------------------------------------------ |
cc80f89e | 878 | |
879 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++){ | |
8c555625 | 880 | //MI change |
cc80f89e | 881 | fTPCParam->AdjustCosSin(isec,cph,sph); |
fe4da5cc | 882 | |
883 | //------------------------------------------------------------ | |
884 | // Loop over tracks | |
885 | //------------------------------------------------------------ | |
886 | ||
887 | for(Int_t track=0;track<ntracks;track++){ | |
888 | ResetHits(); | |
73042f01 | 889 | tH->GetEvent(track); |
fe4da5cc | 890 | // |
73042f01 | 891 | // Get number of the TPC hits |
fe4da5cc | 892 | // |
39c8eb58 | 893 | // nhits=fHits->GetEntriesFast(); |
fe4da5cc | 894 | // |
39c8eb58 | 895 | |
896 | tpcHit = (AliTPChit*)FirstHit(-1); | |
897 | ||
fe4da5cc | 898 | // Loop over hits |
899 | // | |
39c8eb58 | 900 | // for(Int_t hit=0;hit<nhits;hit++){ |
901 | //tpcHit=(AliTPChit*)fHits->UncheckedAt(hit); | |
902 | ||
903 | while(tpcHit){ | |
904 | ||
905 | if (tpcHit->fQ == 0.) { | |
906 | tpcHit = (AliTPChit*) NextHit(); | |
907 | continue; //information about track (I.Belikov) | |
908 | } | |
fe4da5cc | 909 | sector=tpcHit->fSector; // sector number |
39c8eb58 | 910 | |
911 | ||
912 | // if(sector != isec) continue; //terminate iteration | |
913 | ||
914 | if(sector != isec){ | |
915 | tpcHit = (AliTPChit*) NextHit(); | |
916 | continue; | |
917 | } | |
94de3818 | 918 | ipart=tpcHit->Track(); |
2ab0c725 | 919 | particle=gAlice->Particle(ipart); |
1578254f | 920 | pl=particle->Pz(); |
921 | pt=particle->Pt(); | |
fe4da5cc | 922 | if(pt < 1.e-9) pt=1.e-9; |
923 | tanth=pl/pt; | |
924 | tanth = TMath::Abs(tanth); | |
94de3818 | 925 | rpad=TMath::Sqrt(tpcHit->X()*tpcHit->X() + tpcHit->Y()*tpcHit->Y()); |
fe4da5cc | 926 | ratio=0.001*rpad/pt; // pt must be in MeV/c - historical reason |
73042f01 | 927 | |
fe4da5cc | 928 | // space-point resolutions |
929 | ||
73042f01 | 930 | sigmaRphi=SigmaY2(rpad,tanth,pt); |
931 | sigmaZ =SigmaZ2(rpad,tanth ); | |
fe4da5cc | 932 | |
933 | // cluster widths | |
934 | ||
73042f01 | 935 | clRphi=kACrphi-kBCrphi*rpad*tanth+kCCrphi*ratio*ratio; |
936 | clZ=kACz-kBCz*rpad*tanth+kCCz*tanth*tanth; | |
fe4da5cc | 937 | |
938 | // temporary protection | |
939 | ||
73042f01 | 940 | if(sigmaRphi < 0.) sigmaRphi=0.4e-3; |
941 | if(sigmaZ < 0.) sigmaZ=0.4e-3; | |
942 | if(clRphi < 0.) clRphi=2.5e-3; | |
943 | if(clZ < 0.) clZ=2.5e-5; | |
fe4da5cc | 944 | |
945 | // | |
cc80f89e | 946 | |
947 | // | |
948 | // smearing --> rotate to the 1 (13) or to the 25 (49) sector, | |
fe4da5cc | 949 | // then the inaccuracy in a X-Y plane is only along Y (pad row)! |
950 | // | |
94de3818 | 951 | Float_t xprim= tpcHit->X()*cph + tpcHit->Y()*sph; |
952 | Float_t yprim=-tpcHit->X()*sph + tpcHit->Y()*cph; | |
73042f01 | 953 | xyz[0]=gRandom->Gaus(yprim,TMath::Sqrt(sigmaRphi)); // y |
954 | Float_t alpha=(isec < fTPCParam->GetNInnerSector()) ? | |
955 | fTPCParam->GetInnerAngle() : fTPCParam->GetOuterAngle(); | |
956 | Float_t ymax=xprim*TMath::Tan(0.5*alpha); | |
957 | if (TMath::Abs(xyz[0])>ymax) xyz[0]=yprim; | |
94de3818 | 958 | xyz[1]=gRandom->Gaus(tpcHit->Z(),TMath::Sqrt(sigmaZ)); // z |
959 | if (TMath::Abs(xyz[1])>fTPCParam->GetZLength()) xyz[1]=tpcHit->Z(); | |
39c8eb58 | 960 | xyz[2]=sigmaRphi; // fSigmaY2 |
961 | xyz[3]=sigmaZ; // fSigmaZ2 | |
962 | xyz[4]=tpcHit->fQ; // q | |
73042f01 | 963 | |
964 | AliTPCClustersRow *clrow=carray.GetRow(sector,tpcHit->fPadRow); | |
965 | if (!clrow) clrow=carray.CreateRow(sector,tpcHit->fPadRow); | |
966 | ||
94de3818 | 967 | Int_t tracks[3]={tpcHit->Track(), -1, -1}; |
39c8eb58 | 968 | AliTPCcluster cluster(tracks,xyz); |
73042f01 | 969 | |
970 | clrow->InsertCluster(&cluster); nclusters++; | |
971 | ||
39c8eb58 | 972 | tpcHit = (AliTPChit*)NextHit(); |
973 | ||
974 | ||
fe4da5cc | 975 | } // end of loop over hits |
73042f01 | 976 | |
977 | } // end of loop over tracks | |
978 | ||
979 | Int_t nrows=fTPCParam->GetNRow(isec); | |
980 | for (Int_t irow=0; irow<nrows; irow++) { | |
981 | AliTPCClustersRow *clrow=carray.GetRow(isec,irow); | |
982 | if (!clrow) continue; | |
983 | carray.StoreRow(isec,irow); | |
984 | carray.ClearRow(isec,irow); | |
985 | } | |
986 | ||
cc80f89e | 987 | } // end of loop over sectors |
73042f01 | 988 | |
989 | cerr<<"Number of made clusters : "<<nclusters<<" \n"; | |
990 | ||
afc42102 | 991 | carray.GetTree()->Write(cname); |
73042f01 | 992 | |
993 | savedir->cd(); //switch back to the input file | |
cc80f89e | 994 | |
995 | } // end of function | |
996 | ||
997 | //_________________________________________________________________ | |
998 | void AliTPC::Hits2ExactClustersSector(Int_t isec) | |
999 | { | |
1000 | //-------------------------------------------------------- | |
1001 | //calculate exact cross point of track and given pad row | |
1002 | //resulting values are expressed in "digit" coordinata | |
1003 | //-------------------------------------------------------- | |
1004 | ||
1005 | //----------------------------------------------------------------- | |
1006 | // Origin: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de | |
1007 | //----------------------------------------------------------------- | |
1008 | // | |
1009 | if (fClustersArray==0){ | |
1010 | return; | |
1011 | } | |
1012 | // | |
1013 | TParticle *particle; // pointer to a given particle | |
1014 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
cc80f89e | 1015 | Int_t sector,nhits; |
1016 | Int_t ipart; | |
73042f01 | 1017 | const Int_t kcmaxhits=30000; |
1018 | TVector * xxxx = new TVector(kcmaxhits*4); | |
cc80f89e | 1019 | TVector & xxx = *xxxx; |
73042f01 | 1020 | Int_t maxhits = kcmaxhits; |
cc80f89e | 1021 | //construct array for each padrow |
1022 | for (Int_t i=0; i<fTPCParam->GetNRow(isec);i++) | |
1023 | fClustersArray->CreateRow(isec,i); | |
fe4da5cc | 1024 | |
cc80f89e | 1025 | //--------------------------------------------------------------- |
1026 | // Get the access to the tracks | |
1027 | //--------------------------------------------------------------- | |
1028 | ||
73042f01 | 1029 | TTree *tH = gAlice->TreeH(); |
1030 | Stat_t ntracks = tH->GetEntries(); | |
2ab0c725 | 1031 | Int_t npart = gAlice->GetNtrack(); |
cc80f89e | 1032 | |
1033 | //------------------------------------------------------------ | |
1034 | // Loop over tracks | |
1035 | //------------------------------------------------------------ | |
fe4da5cc | 1036 | |
cc80f89e | 1037 | for(Int_t track=0;track<ntracks;track++){ |
1038 | ResetHits(); | |
73042f01 | 1039 | tH->GetEvent(track); |
cc80f89e | 1040 | // |
1041 | // Get number of the TPC hits and a pointer | |
1042 | // to the particles | |
1043 | // | |
1044 | nhits=fHits->GetEntriesFast(); | |
1045 | // | |
1046 | // Loop over hits | |
1047 | // | |
1048 | Int_t currentIndex=0; | |
1049 | Int_t lastrow=-1; //last writen row | |
1050 | for(Int_t hit=0;hit<nhits;hit++){ | |
1051 | tpcHit=(AliTPChit*)fHits->UncheckedAt(hit); | |
1052 | if (tpcHit==0) continue; | |
1053 | sector=tpcHit->fSector; // sector number | |
1054 | if(sector != isec) continue; | |
94de3818 | 1055 | ipart=tpcHit->Track(); |
2ab0c725 | 1056 | if (ipart<npart) particle=gAlice->Particle(ipart); |
cc80f89e | 1057 | |
1058 | //find row number | |
1059 | ||
94de3818 | 1060 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; |
cc80f89e | 1061 | Int_t index[3]={1,isec,0}; |
1062 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
1063 | if (currentrow<0) continue; | |
1064 | if (lastrow<0) lastrow=currentrow; | |
1065 | if (currentrow==lastrow){ | |
1066 | if ( currentIndex>=maxhits){ | |
73042f01 | 1067 | maxhits+=kcmaxhits; |
cc80f89e | 1068 | xxx.ResizeTo(4*maxhits); |
1069 | } | |
1070 | xxx(currentIndex*4)=x[0]; | |
1071 | xxx(currentIndex*4+1)=x[1]; | |
1072 | xxx(currentIndex*4+2)=x[2]; | |
1073 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
1074 | currentIndex++; | |
1075 | } | |
1076 | else | |
1077 | if (currentIndex>2){ | |
1078 | Float_t sumx=0; | |
1079 | Float_t sumx2=0; | |
1080 | Float_t sumx3=0; | |
1081 | Float_t sumx4=0; | |
1082 | Float_t sumy=0; | |
1083 | Float_t sumxy=0; | |
1084 | Float_t sumx2y=0; | |
1085 | Float_t sumz=0; | |
1086 | Float_t sumxz=0; | |
1087 | Float_t sumx2z=0; | |
1088 | Float_t sumq=0; | |
1089 | for (Int_t index=0;index<currentIndex;index++){ | |
1090 | Float_t x,x2,x3,x4; | |
1091 | x=x2=x3=x4=xxx(index*4); | |
1092 | x2*=x; | |
1093 | x3*=x2; | |
1094 | x4*=x3; | |
1095 | sumx+=x; | |
1096 | sumx2+=x2; | |
1097 | sumx3+=x3; | |
1098 | sumx4+=x4; | |
1099 | sumy+=xxx(index*4+1); | |
1100 | sumxy+=xxx(index*4+1)*x; | |
1101 | sumx2y+=xxx(index*4+1)*x2; | |
1102 | sumz+=xxx(index*4+2); | |
1103 | sumxz+=xxx(index*4+2)*x; | |
1104 | sumx2z+=xxx(index*4+2)*x2; | |
1105 | sumq+=xxx(index*4+3); | |
1106 | } | |
73042f01 | 1107 | Float_t centralPad = (fTPCParam->GetNPads(isec,lastrow)-1)/2; |
cc80f89e | 1108 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ |
1109 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
1110 | ||
1111 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
1112 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
1113 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
1114 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
1115 | ||
1116 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
1117 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
1118 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
1119 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
1120 | ||
73042f01 | 1121 | Float_t y=detay/det+centralPad; |
cc80f89e | 1122 | Float_t z=detaz/det; |
1123 | Float_t by=detby/det; //y angle | |
1124 | Float_t bz=detbz/det; //z angle | |
1125 | sumy/=Float_t(currentIndex); | |
1126 | sumz/=Float_t(currentIndex); | |
2b06d5c3 | 1127 | AliComplexCluster cl; |
cc80f89e | 1128 | cl.fX=z; |
1129 | cl.fY=y; | |
1130 | cl.fQ=sumq; | |
1131 | cl.fSigmaX2=bz; | |
1132 | cl.fSigmaY2=by; | |
1133 | cl.fTracks[0]=ipart; | |
1134 | ||
1135 | AliTPCClustersRow * row = (fClustersArray->GetRow(isec,lastrow)); | |
1136 | if (row!=0) row->InsertCluster(&cl); | |
1137 | currentIndex=0; | |
1138 | lastrow=currentrow; | |
1139 | } //end of calculating cluster for given row | |
1140 | ||
1141 | ||
1142 | ||
1143 | } // end of loop over hits | |
1144 | } // end of loop over tracks | |
1145 | //write padrows to tree | |
1146 | for (Int_t ii=0; ii<fTPCParam->GetNRow(isec);ii++) { | |
1147 | fClustersArray->StoreRow(isec,ii); | |
1148 | fClustersArray->ClearRow(isec,ii); | |
1149 | } | |
1150 | xxxx->Delete(); | |
1151 | ||
fe4da5cc | 1152 | } |
2ab0c725 | 1153 | //___________________________________________ |
afc42102 | 1154 | void AliTPC::SDigits2Digits(Int_t eventnumber) |
2ab0c725 | 1155 | { |
afc42102 | 1156 | |
1157 | ||
1158 | cerr<<"Digitizing TPC...\n"; | |
1159 | ||
1160 | Hits2Digits(eventnumber); | |
1161 | ||
1162 | ||
1163 | //write results | |
1164 | ||
1165 | // char treeName[100]; | |
1166 | ||
1167 | // sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1168 | ||
1169 | // GetDigitsArray()->GetTree()->Write(treeName); | |
1170 | } | |
1171 | //__________________________________________________________________ | |
1172 | void AliTPC::SetDefaults(){ | |
1173 | ||
1174 | ||
1175 | cerr<<"Setting default parameters...\n"; | |
1176 | ||
1177 | // Set response functions | |
1178 | ||
2ab0c725 | 1179 | AliTPCParamSR *param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60"); |
1180 | AliTPCPRF2D * prfinner = new AliTPCPRF2D; | |
1181 | AliTPCPRF2D * prfouter = new AliTPCPRF2D; | |
1182 | AliTPCRF1D * rf = new AliTPCRF1D(kTRUE); | |
2ab0c725 | 1183 | rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.); |
1184 | rf->SetOffset(3*param->GetZSigma()); | |
1185 | rf->Update(); | |
afc42102 | 1186 | |
1187 | TDirectory *savedir=gDirectory; | |
2ab0c725 | 1188 | TFile *f=TFile::Open("$ALICE_ROOT/TPC/AliTPCprf2d.root"); |
1189 | if (!f->IsOpen()) { | |
afc42102 | 1190 | cerr<<"Can't open $ALICE_ROOT/TPC/AliTPCprf2d.root !\n" ; |
2ab0c725 | 1191 | exit(3); |
1192 | } | |
1193 | prfinner->Read("prf_07504_Gati_056068_d02"); | |
1194 | prfouter->Read("prf_10006_Gati_047051_d03"); | |
1195 | f->Close(); | |
afc42102 | 1196 | savedir->cd(); |
1197 | ||
2ab0c725 | 1198 | param->SetInnerPRF(prfinner); |
1199 | param->SetOuterPRF(prfouter); | |
1200 | param->SetTimeRF(rf); | |
1201 | ||
afc42102 | 1202 | // set fTPCParam |
1203 | ||
2ab0c725 | 1204 | SetParam(param); |
1205 | ||
afc42102 | 1206 | |
1207 | fDefaults = 1; | |
1208 | ||
1209 | } | |
1210 | //__________________________________________________________________ | |
1211 | void AliTPC::Hits2Digits(Int_t eventnumber) | |
1212 | { | |
1213 | //---------------------------------------------------- | |
1214 | // Loop over all sectors for a single event | |
1215 | //---------------------------------------------------- | |
1216 | ||
1217 | ||
1218 | if(fDefaults == 0) SetDefaults(); // check if the parameters are set | |
2ab0c725 | 1219 | |
1220 | //setup TPCDigitsArray | |
afc42102 | 1221 | |
1222 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1223 | ||
2ab0c725 | 1224 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1225 | arr->SetClass("AliSimDigits"); | |
afc42102 | 1226 | arr->Setup(fTPCParam); |
2ab0c725 | 1227 | arr->MakeTree(fDigitsFile); |
2ab0c725 | 1228 | SetDigitsArray(arr); |
1229 | ||
afc42102 | 1230 | fDigitsSwitch=0; // standard digits |
2ab0c725 | 1231 | |
afc42102 | 1232 | cerr<<"Digitizing TPC...\n"; |
fe4da5cc | 1233 | |
afc42102 | 1234 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) Hits2DigitsSector(isec); |
cc80f89e | 1235 | |
afc42102 | 1236 | // write results |
1237 | ||
1238 | char treeName[100]; | |
1239 | ||
1240 | sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
f8cf550c | 1241 | |
afc42102 | 1242 | GetDigitsArray()->GetTree()->Write(treeName); |
cc80f89e | 1243 | |
cc80f89e | 1244 | |
8c555625 | 1245 | } |
1246 | ||
afc42102 | 1247 | |
1248 | ||
f8cf550c | 1249 | //__________________________________________________________________ |
afc42102 | 1250 | void AliTPC::Hits2SDigits(Int_t eventnumber) |
f8cf550c | 1251 | { |
1252 | ||
1253 | //----------------------------------------------------------- | |
1254 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1255 | //----------------------------------------------------------- | |
1256 | ||
1257 | //---------------------------------------------------- | |
afc42102 | 1258 | // Loop over all sectors for a single event |
f8cf550c | 1259 | //---------------------------------------------------- |
1260 | ||
afc42102 | 1261 | |
1262 | if(fDefaults == 0) SetDefaults(); | |
1263 | ||
1264 | //setup TPCDigitsArray | |
1265 | ||
1266 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1267 | ||
1268 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; | |
1269 | arr->SetClass("AliSimDigits"); | |
1270 | arr->Setup(fTPCParam); | |
1271 | arr->MakeTree(fDigitsFile); | |
1272 | SetDigitsArray(arr); | |
1273 | ||
1274 | cerr<<"Digitizing TPC...\n"; | |
1275 | ||
1276 | fDigitsSwitch=1; // summable digits | |
f8cf550c | 1277 | |
1278 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) Hits2DigitsSector(isec); | |
1279 | ||
afc42102 | 1280 | |
1281 | // write results | |
1282 | ||
1283 | char treeName[100]; | |
1284 | ||
1285 | sprintf(treeName,"TreeS_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1286 | ||
1287 | GetDigitsArray()->GetTree()->Write(treeName); | |
1288 | ||
f8cf550c | 1289 | } |
8c555625 | 1290 | |
afc42102 | 1291 | |
1292 | ||
fe4da5cc | 1293 | //_____________________________________________________________________________ |
8c555625 | 1294 | void AliTPC::Hits2DigitsSector(Int_t isec) |
fe4da5cc | 1295 | { |
8c555625 | 1296 | //------------------------------------------------------------------- |
fe4da5cc | 1297 | // TPC conversion from hits to digits. |
8c555625 | 1298 | //------------------------------------------------------------------- |
1299 | ||
1300 | //----------------------------------------------------------------- | |
1301 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1302 | //----------------------------------------------------------------- | |
1303 | ||
fe4da5cc | 1304 | //------------------------------------------------------- |
8c555625 | 1305 | // Get the access to the track hits |
fe4da5cc | 1306 | //------------------------------------------------------- |
8c555625 | 1307 | |
afc42102 | 1308 | // check if the parameters are set - important if one calls this method |
1309 | // directly, not from the Hits2Digits | |
1310 | ||
1311 | if(fDefaults == 0) SetDefaults(); | |
cc80f89e | 1312 | |
73042f01 | 1313 | TTree *tH = gAlice->TreeH(); // pointer to the hits tree |
1314 | Stat_t ntracks = tH->GetEntries(); | |
8c555625 | 1315 | |
1316 | if( ntracks > 0){ | |
1317 | ||
1318 | //------------------------------------------- | |
1319 | // Only if there are any tracks... | |
1320 | //------------------------------------------- | |
1321 | ||
8c555625 | 1322 | TObjArray **row; |
fe4da5cc | 1323 | |
afc42102 | 1324 | printf("*** Processing sector number %d ***\n",isec); |
8c555625 | 1325 | |
1326 | Int_t nrows =fTPCParam->GetNRow(isec); | |
1327 | ||
1328 | row= new TObjArray* [nrows]; | |
fe4da5cc | 1329 | |
73042f01 | 1330 | MakeSector(isec,nrows,tH,ntracks,row); |
8c555625 | 1331 | |
1332 | //-------------------------------------------------------- | |
1333 | // Digitize this sector, row by row | |
1334 | // row[i] is the pointer to the TObjArray of TVectors, | |
1335 | // each one containing electrons accepted on this | |
1336 | // row, assigned into tracks | |
1337 | //-------------------------------------------------------- | |
1338 | ||
1339 | Int_t i; | |
1340 | ||
2ab0c725 | 1341 | if (fDigitsArray->GetTree()==0) fDigitsArray->MakeTree(fDigitsFile); |
8c555625 | 1342 | |
cc80f89e | 1343 | for (i=0;i<nrows;i++){ |
8c555625 | 1344 | |
afc42102 | 1345 | AliDigits * dig = fDigitsArray->CreateRow(isec,i); |
8c555625 | 1346 | |
cc80f89e | 1347 | DigitizeRow(i,isec,row); |
8c555625 | 1348 | |
cc80f89e | 1349 | fDigitsArray->StoreRow(isec,i); |
8c555625 | 1350 | |
9e1a0ddb | 1351 | Int_t ndig = dig->GetDigitSize(); |
5a28a08f | 1352 | |
cc80f89e | 1353 | |
afc42102 | 1354 | printf("*** Sector, row, compressed digits %d %d %d ***\n",isec,i,ndig); |
cc80f89e | 1355 | |
1356 | fDigitsArray->ClearRow(isec,i); | |
8c555625 | 1357 | |
cc80f89e | 1358 | |
8c555625 | 1359 | } // end of the sector digitization |
8c555625 | 1360 | |
cc80f89e | 1361 | for(i=0;i<nrows;i++){ |
39c8eb58 | 1362 | row[i]->Delete(); |
1363 | delete row[i]; | |
cc80f89e | 1364 | } |
1365 | ||
8c555625 | 1366 | delete [] row; // delete the array of pointers to TObjArray-s |
1367 | ||
1368 | } // ntracks >0 | |
8c555625 | 1369 | |
cc80f89e | 1370 | } // end of Hits2DigitsSector |
8c555625 | 1371 | |
8c555625 | 1372 | |
8c555625 | 1373 | //_____________________________________________________________________________ |
cc80f89e | 1374 | void AliTPC::DigitizeRow(Int_t irow,Int_t isec,TObjArray **rows) |
8c555625 | 1375 | { |
1376 | //----------------------------------------------------------- | |
1377 | // Single row digitization, coupling from the neighbouring | |
1378 | // rows taken into account | |
1379 | //----------------------------------------------------------- | |
1380 | ||
1381 | //----------------------------------------------------------------- | |
1382 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1383 | // Modified: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de |
8c555625 | 1384 | //----------------------------------------------------------------- |
1385 | ||
1386 | ||
8c555625 | 1387 | Float_t zerosup = fTPCParam->GetZeroSup(); |
1388 | Int_t nrows =fTPCParam->GetNRow(isec); | |
cc80f89e | 1389 | fCurrentIndex[1]= isec; |
8c555625 | 1390 | |
8c555625 | 1391 | |
73042f01 | 1392 | Int_t nofPads = fTPCParam->GetNPads(isec,irow); |
1393 | Int_t nofTbins = fTPCParam->GetMaxTBin(); | |
1394 | Int_t indexRange[4]; | |
8c555625 | 1395 | // |
1396 | // Integrated signal for this row | |
1397 | // and a single track signal | |
cc80f89e | 1398 | // |
73042f01 | 1399 | TMatrix *m1 = new TMatrix(0,nofPads,0,nofTbins); // integrated |
1400 | TMatrix *m2 = new TMatrix(0,nofPads,0,nofTbins); // single | |
8c555625 | 1401 | // |
73042f01 | 1402 | TMatrix &total = *m1; |
8c555625 | 1403 | |
1404 | // Array of pointers to the label-signal list | |
1405 | ||
73042f01 | 1406 | Int_t nofDigits = nofPads*nofTbins; // number of digits for this row |
1407 | Float_t **pList = new Float_t* [nofDigits]; | |
8c555625 | 1408 | |
1409 | Int_t lp; | |
cc80f89e | 1410 | Int_t i1; |
73042f01 | 1411 | for(lp=0;lp<nofDigits;lp++)pList[lp]=0; // set all pointers to NULL |
8c555625 | 1412 | // |
cc80f89e | 1413 | //calculate signal |
1414 | // | |
1415 | Int_t row1 = TMath::Max(irow-fTPCParam->GetNCrossRows(),0); | |
1416 | Int_t row2 = TMath::Min(irow+fTPCParam->GetNCrossRows(),nrows-1); | |
1417 | for (Int_t row= row1;row<=row2;row++){ | |
1418 | Int_t nTracks= rows[row]->GetEntries(); | |
1419 | for (i1=0;i1<nTracks;i1++){ | |
1420 | fCurrentIndex[2]= row; | |
1421 | fCurrentIndex[3]=irow; | |
1422 | if (row==irow){ | |
1423 | m2->Zero(); // clear single track signal matrix | |
73042f01 | 1424 | Float_t trackLabel = GetSignal(rows[row],i1,m2,m1,indexRange); |
1425 | GetList(trackLabel,nofPads,m2,indexRange,pList); | |
cc80f89e | 1426 | } |
73042f01 | 1427 | else GetSignal(rows[row],i1,0,m1,indexRange); |
cc80f89e | 1428 | } |
8c555625 | 1429 | } |
cc80f89e | 1430 | |
8c555625 | 1431 | Int_t tracks[3]; |
8c555625 | 1432 | |
cc80f89e | 1433 | AliDigits *dig = fDigitsArray->GetRow(isec,irow); |
73042f01 | 1434 | for(Int_t ip=0;ip<nofPads;ip++){ |
1435 | for(Int_t it=0;it<nofTbins;it++){ | |
8c555625 | 1436 | |
73042f01 | 1437 | Float_t q = total(ip,it); |
8c555625 | 1438 | |
73042f01 | 1439 | Int_t gi =it*nofPads+ip; // global index |
8c555625 | 1440 | |
f8cf550c | 1441 | if(fDigitsSwitch == 0){ |
1442 | ||
1443 | q = gRandom->Gaus(q,fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac()); | |
1444 | ||
1445 | q = (Int_t)q; | |
8c555625 | 1446 | |
f8cf550c | 1447 | if(q <=zerosup) continue; // do not fill zeros |
1448 | if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation | |
cc80f89e | 1449 | |
f8cf550c | 1450 | } |
1451 | ||
1452 | else { | |
1453 | q *= 16.; | |
1454 | q = (Int_t)q; | |
1455 | } | |
8c555625 | 1456 | |
1457 | // | |
1458 | // "real" signal or electronic noise (list = -1)? | |
1459 | // | |
1460 | ||
1461 | for(Int_t j1=0;j1<3;j1++){ | |
1462 | tracks[j1] = (pList[gi]) ?(Int_t)(*(pList[gi]+j1)) : -1; | |
1463 | } | |
1464 | ||
cc80f89e | 1465 | //Begin_Html |
1466 | /* | |
1467 | <A NAME="AliDigits"></A> | |
1468 | using of AliDigits object | |
1469 | */ | |
1470 | //End_Html | |
1471 | dig->SetDigitFast((Short_t)q,it,ip); | |
1472 | if (fDigitsArray->IsSimulated()) | |
1473 | { | |
1474 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[0],it,ip,0); | |
1475 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[1],it,ip,1); | |
1476 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[2],it,ip,2); | |
1477 | } | |
1478 | ||
8c555625 | 1479 | |
1480 | } // end of loop over time buckets | |
1481 | } // end of lop over pads | |
1482 | ||
1483 | // | |
1484 | // This row has been digitized, delete nonused stuff | |
1485 | // | |
1486 | ||
73042f01 | 1487 | for(lp=0;lp<nofDigits;lp++){ |
8c555625 | 1488 | if(pList[lp]) delete [] pList[lp]; |
1489 | } | |
1490 | ||
1491 | delete [] pList; | |
1492 | ||
1493 | delete m1; | |
1494 | delete m2; | |
cc80f89e | 1495 | // delete m3; |
8c555625 | 1496 | |
1497 | } // end of DigitizeRow | |
cc80f89e | 1498 | |
8c555625 | 1499 | //_____________________________________________________________________________ |
cc80f89e | 1500 | |
1501 | Float_t AliTPC::GetSignal(TObjArray *p1, Int_t ntr, TMatrix *m1, TMatrix *m2, | |
73042f01 | 1502 | Int_t *indexRange) |
8c555625 | 1503 | { |
1504 | ||
1505 | //--------------------------------------------------------------- | |
1506 | // Calculates 2-D signal (pad,time) for a single track, | |
1507 | // returns a pointer to the signal matrix and the track label | |
1508 | // No digitization is performed at this level!!! | |
1509 | //--------------------------------------------------------------- | |
1510 | ||
1511 | //----------------------------------------------------------------- | |
1512 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1513 | // Modified: Marian Ivanov |
8c555625 | 1514 | //----------------------------------------------------------------- |
1515 | ||
1516 | TVector *tv; | |
8c555625 | 1517 | |
8c555625 | 1518 | tv = (TVector*)p1->At(ntr); // pointer to a track |
1519 | TVector &v = *tv; | |
1520 | ||
1521 | Float_t label = v(0); | |
73042f01 | 1522 | Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3])-1)/2; |
8c555625 | 1523 | |
8c555625 | 1524 | Int_t nElectrons = (tv->GetNrows()-1)/4; |
73042f01 | 1525 | indexRange[0]=9999; // min pad |
1526 | indexRange[1]=-1; // max pad | |
1527 | indexRange[2]=9999; //min time | |
1528 | indexRange[3]=-1; // max time | |
8c555625 | 1529 | |
cc80f89e | 1530 | // Float_t IneffFactor = 0.5; // inefficiency in the gain close to the edge, as above |
1531 | ||
1532 | TMatrix &signal = *m1; | |
1533 | TMatrix &total = *m2; | |
8c555625 | 1534 | // |
1535 | // Loop over all electrons | |
1536 | // | |
8c555625 | 1537 | for(Int_t nel=0; nel<nElectrons; nel++){ |
cc80f89e | 1538 | Int_t idx=nel*4; |
1539 | Float_t aval = v(idx+4); | |
1540 | Float_t eltoadcfac=aval*fTPCParam->GetTotalNormFac(); | |
1541 | Float_t xyz[3]={v(idx+1),v(idx+2),v(idx+3)}; | |
1542 | Int_t n = fTPCParam->CalcResponse(xyz,fCurrentIndex,fCurrentIndex[3]); | |
8c555625 | 1543 | |
cc80f89e | 1544 | if (n>0) for (Int_t i =0; i<n; i++){ |
1545 | Int_t *index = fTPCParam->GetResBin(i); | |
73042f01 | 1546 | Int_t pad=index[1]+centralPad; //in digit coordinates central pad has coordinate 0 |
cc80f89e | 1547 | if ( ( pad<(fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]))) && (pad>0)) { |
1548 | Int_t time=index[2]; | |
1549 | Float_t weight = fTPCParam->GetResWeight(i); //we normalise response to ADC channel | |
1550 | weight *= eltoadcfac; | |
1551 | ||
1552 | if (m1!=0) signal(pad,time)+=weight; | |
1553 | total(pad,time)+=weight; | |
73042f01 | 1554 | indexRange[0]=TMath::Min(indexRange[0],pad); |
1555 | indexRange[1]=TMath::Max(indexRange[1],pad); | |
1556 | indexRange[2]=TMath::Min(indexRange[2],time); | |
1557 | indexRange[3]=TMath::Max(indexRange[3],time); | |
cc80f89e | 1558 | } |
1559 | } | |
8c555625 | 1560 | } // end of loop over electrons |
cc80f89e | 1561 | |
8c555625 | 1562 | return label; // returns track label when finished |
1563 | } | |
1564 | ||
1565 | //_____________________________________________________________________________ | |
73042f01 | 1566 | void AliTPC::GetList(Float_t label,Int_t np,TMatrix *m,Int_t *indexRange, |
8c555625 | 1567 | Float_t **pList) |
1568 | { | |
1569 | //---------------------------------------------------------------------- | |
1570 | // Updates the list of tracks contributing to digits for a given row | |
1571 | //---------------------------------------------------------------------- | |
1572 | ||
1573 | //----------------------------------------------------------------- | |
1574 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1575 | //----------------------------------------------------------------- | |
1576 | ||
1577 | TMatrix &signal = *m; | |
1578 | ||
1579 | // lop over nonzero digits | |
1580 | ||
73042f01 | 1581 | for(Int_t it=indexRange[2];it<indexRange[3]+1;it++){ |
1582 | for(Int_t ip=indexRange[0];ip<indexRange[1]+1;ip++){ | |
8c555625 | 1583 | |
1584 | ||
921bf71a | 1585 | // accept only the contribution larger than 500 electrons (1/2 s_noise) |
1586 | ||
cc80f89e | 1587 | if(signal(ip,it)<0.5) continue; |
921bf71a | 1588 | |
1589 | ||
73042f01 | 1590 | Int_t globalIndex = it*np+ip; // globalIndex starts from 0! |
8c555625 | 1591 | |
73042f01 | 1592 | if(!pList[globalIndex]){ |
8c555625 | 1593 | |
1594 | // | |
1595 | // Create new list (6 elements - 3 signals and 3 labels), | |
8c555625 | 1596 | // |
1597 | ||
73042f01 | 1598 | pList[globalIndex] = new Float_t [6]; |
8c555625 | 1599 | |
1600 | // set list to -1 | |
1601 | ||
73042f01 | 1602 | *pList[globalIndex] = -1.; |
1603 | *(pList[globalIndex]+1) = -1.; | |
1604 | *(pList[globalIndex]+2) = -1.; | |
1605 | *(pList[globalIndex]+3) = -1.; | |
1606 | *(pList[globalIndex]+4) = -1.; | |
1607 | *(pList[globalIndex]+5) = -1.; | |
8c555625 | 1608 | |
1609 | ||
73042f01 | 1610 | *pList[globalIndex] = label; |
1611 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 1612 | } |
1613 | else{ | |
1614 | ||
1615 | // check the signal magnitude | |
1616 | ||
73042f01 | 1617 | Float_t highest = *(pList[globalIndex]+3); |
1618 | Float_t middle = *(pList[globalIndex]+4); | |
1619 | Float_t lowest = *(pList[globalIndex]+5); | |
8c555625 | 1620 | |
1621 | // | |
1622 | // compare the new signal with already existing list | |
1623 | // | |
1624 | ||
1625 | if(signal(ip,it)<lowest) continue; // neglect this track | |
1626 | ||
1627 | // | |
1628 | ||
1629 | if (signal(ip,it)>highest){ | |
73042f01 | 1630 | *(pList[globalIndex]+5) = middle; |
1631 | *(pList[globalIndex]+4) = highest; | |
1632 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 1633 | |
73042f01 | 1634 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
1635 | *(pList[globalIndex]+1) = *pList[globalIndex]; | |
1636 | *pList[globalIndex] = label; | |
8c555625 | 1637 | } |
1638 | else if (signal(ip,it)>middle){ | |
73042f01 | 1639 | *(pList[globalIndex]+5) = middle; |
1640 | *(pList[globalIndex]+4) = signal(ip,it); | |
8c555625 | 1641 | |
73042f01 | 1642 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
1643 | *(pList[globalIndex]+1) = label; | |
8c555625 | 1644 | } |
1645 | else{ | |
73042f01 | 1646 | *(pList[globalIndex]+5) = signal(ip,it); |
1647 | *(pList[globalIndex]+2) = label; | |
8c555625 | 1648 | } |
1649 | } | |
1650 | ||
1651 | } // end of loop over pads | |
1652 | } // end of loop over time bins | |
1653 | ||
1654 | ||
1655 | ||
8c555625 | 1656 | }//end of GetList |
1657 | //___________________________________________________________________ | |
1658 | void AliTPC::MakeSector(Int_t isec,Int_t nrows,TTree *TH, | |
1659 | Stat_t ntracks,TObjArray **row) | |
1660 | { | |
1661 | ||
1662 | //----------------------------------------------------------------- | |
1663 | // Prepares the sector digitization, creates the vectors of | |
1664 | // tracks for each row of this sector. The track vector | |
1665 | // contains the track label and the position of electrons. | |
1666 | //----------------------------------------------------------------- | |
1667 | ||
1668 | //----------------------------------------------------------------- | |
1669 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1670 | //----------------------------------------------------------------- | |
1671 | ||
cc80f89e | 1672 | Float_t gasgain = fTPCParam->GetGasGain(); |
8c555625 | 1673 | Int_t i; |
cc80f89e | 1674 | Float_t xyz[4]; |
8c555625 | 1675 | |
1676 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
39c8eb58 | 1677 | //MI change |
1678 | TBranch * branch=0; | |
1679 | if (fHitType&2) branch = TH->GetBranch("TPC2"); | |
1680 | else branch = TH->GetBranch("TPC"); | |
1681 | ||
8c555625 | 1682 | |
1683 | //---------------------------------------------- | |
1684 | // Create TObjArray-s, one for each row, | |
1685 | // each TObjArray will store the TVectors | |
1686 | // of electrons, one TVector per each track. | |
1687 | //---------------------------------------------- | |
1688 | ||
f74bb6f5 | 1689 | Int_t *nofElectrons = new Int_t [nrows]; // electron counter for each row |
1690 | TVector **tracks = new TVector* [nrows]; //pointers to the track vectors | |
8c555625 | 1691 | for(i=0; i<nrows; i++){ |
1692 | row[i] = new TObjArray; | |
f74bb6f5 | 1693 | nofElectrons[i]=0; |
1694 | tracks[i]=0; | |
8c555625 | 1695 | } |
8c555625 | 1696 | |
37831078 | 1697 | |
1698 | ||
8c555625 | 1699 | //-------------------------------------------------------------------- |
1700 | // Loop over tracks, the "track" contains the full history | |
1701 | //-------------------------------------------------------------------- | |
1702 | ||
1703 | Int_t previousTrack,currentTrack; | |
1704 | previousTrack = -1; // nothing to store so far! | |
1705 | ||
1706 | for(Int_t track=0;track<ntracks;track++){ | |
39c8eb58 | 1707 | Bool_t isInSector=kTRUE; |
8c555625 | 1708 | ResetHits(); |
1709 | ||
39c8eb58 | 1710 | if (fHitType&2) { |
1711 | isInSector=kFALSE; | |
1712 | TBranch * br = TH->GetBranch("fTrackHitsInfo"); | |
1713 | br->GetEvent(track); | |
1714 | AliObjectArray * ar = fTrackHits->fTrackHitsInfo; | |
1715 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
1716 | if ( ((AliTrackHitsInfo*)ar->At(j))->fVolumeID==isec) isInSector=kTRUE; | |
1717 | } | |
1718 | } | |
1719 | if (!isInSector) continue; | |
1720 | //MI change | |
1721 | branch->GetEntry(track); // get next track | |
1722 | ||
1723 | //M.I. changes | |
8c555625 | 1724 | |
39c8eb58 | 1725 | tpcHit = (AliTPChit*)FirstHit(-1); |
8c555625 | 1726 | |
1727 | //-------------------------------------------------------------- | |
1728 | // Loop over hits | |
1729 | //-------------------------------------------------------------- | |
1730 | ||
8c555625 | 1731 | |
39c8eb58 | 1732 | while(tpcHit){ |
8c555625 | 1733 | |
1734 | Int_t sector=tpcHit->fSector; // sector number | |
39c8eb58 | 1735 | // if(sector != isec) continue; |
1736 | if(sector != isec){ | |
1737 | tpcHit = (AliTPChit*) NextHit(); | |
1738 | continue; | |
1739 | } | |
8c555625 | 1740 | |
94de3818 | 1741 | currentTrack = tpcHit->Track(); // track number |
39c8eb58 | 1742 | |
1743 | ||
8c555625 | 1744 | if(currentTrack != previousTrack){ |
1745 | ||
1746 | // store already filled fTrack | |
1747 | ||
1748 | for(i=0;i<nrows;i++){ | |
1749 | if(previousTrack != -1){ | |
73042f01 | 1750 | if(nofElectrons[i]>0){ |
cc80f89e | 1751 | TVector &v = *tracks[i]; |
8c555625 | 1752 | v(0) = previousTrack; |
73042f01 | 1753 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 1754 | row[i]->Add(tracks[i]); |
8c555625 | 1755 | } |
1756 | else{ | |
cc80f89e | 1757 | delete tracks[i]; // delete empty TVector |
1758 | tracks[i]=0; | |
8c555625 | 1759 | } |
1760 | } | |
1761 | ||
73042f01 | 1762 | nofElectrons[i]=0; |
cc80f89e | 1763 | tracks[i] = new TVector(481); // TVectors for the next fTrack |
8c555625 | 1764 | |
1765 | } // end of loop over rows | |
1766 | ||
1767 | previousTrack=currentTrack; // update track label | |
1768 | } | |
1769 | ||
73042f01 | 1770 | Int_t qI = (Int_t) (tpcHit->fQ); // energy loss (number of electrons) |
8c555625 | 1771 | |
1772 | //--------------------------------------------------- | |
1773 | // Calculate the electron attachment probability | |
1774 | //--------------------------------------------------- | |
1775 | ||
cc80f89e | 1776 | |
94de3818 | 1777 | Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z())) |
cc80f89e | 1778 | /fTPCParam->GetDriftV(); |
8c555625 | 1779 | // in microseconds! |
73042f01 | 1780 | Float_t attProb = fTPCParam->GetAttCoef()* |
8c555625 | 1781 | fTPCParam->GetOxyCont()*time; // fraction! |
1782 | ||
1783 | //----------------------------------------------- | |
1784 | // Loop over electrons | |
1785 | //----------------------------------------------- | |
cc80f89e | 1786 | Int_t index[3]; |
1787 | index[1]=isec; | |
73042f01 | 1788 | for(Int_t nel=0;nel<qI;nel++){ |
8c555625 | 1789 | // skip if electron lost due to the attachment |
73042f01 | 1790 | if((gRandom->Rndm(0)) < attProb) continue; // electron lost! |
94de3818 | 1791 | xyz[0]=tpcHit->X(); |
1792 | xyz[1]=tpcHit->Y(); | |
1705494b | 1793 | xyz[2]=tpcHit->Z(); |
1794 | // | |
1795 | // protection for the nonphysical avalanche size (10**6 maximum) | |
1796 | // | |
710dacf5 | 1797 | Double_t rn=TMath::Max(gRandom->Rndm(0),1.93e-22); |
1798 | xyz[3]= (Float_t) (-gasgain*TMath::Log(rn)); | |
cc80f89e | 1799 | index[0]=1; |
1800 | ||
1801 | TransportElectron(xyz,index); //MI change -august | |
73042f01 | 1802 | Int_t rowNumber; |
cc80f89e | 1803 | fTPCParam->GetPadRow(xyz,index); //MI change august |
73042f01 | 1804 | rowNumber = index[2]; |
cc80f89e | 1805 | //transform position to local digit coordinates |
1806 | //relative to nearest pad row | |
73042f01 | 1807 | if ((rowNumber<0)||rowNumber>=fTPCParam->GetNRow(isec)) continue; |
1808 | nofElectrons[rowNumber]++; | |
8c555625 | 1809 | //---------------------------------- |
1810 | // Expand vector if necessary | |
1811 | //---------------------------------- | |
73042f01 | 1812 | if(nofElectrons[rowNumber]>120){ |
1813 | Int_t range = tracks[rowNumber]->GetNrows(); | |
1814 | if((nofElectrons[rowNumber])>(range-1)/4){ | |
cc80f89e | 1815 | |
73042f01 | 1816 | tracks[rowNumber]->ResizeTo(range+400); // Add 100 electrons |
fe4da5cc | 1817 | } |
1818 | } | |
1819 | ||
73042f01 | 1820 | TVector &v = *tracks[rowNumber]; |
1821 | Int_t idx = 4*nofElectrons[rowNumber]-3; | |
8c555625 | 1822 | |
cc80f89e | 1823 | v(idx)= xyz[0]; // X - pad row coordinate |
1824 | v(idx+1)=xyz[1]; // Y - pad coordinate (along the pad-row) | |
1825 | v(idx+2)=xyz[2]; // Z - time bin coordinate | |
1826 | v(idx+3)=xyz[3]; // avalanche size | |
8c555625 | 1827 | } // end of loop over electrons |
39c8eb58 | 1828 | |
1829 | tpcHit = (AliTPChit*)NextHit(); | |
8c555625 | 1830 | |
1831 | } // end of loop over hits | |
1832 | } // end of loop over tracks | |
1833 | ||
1834 | // | |
1835 | // store remaining track (the last one) if not empty | |
1836 | // | |
1837 | ||
1838 | for(i=0;i<nrows;i++){ | |
73042f01 | 1839 | if(nofElectrons[i]>0){ |
cc80f89e | 1840 | TVector &v = *tracks[i]; |
8c555625 | 1841 | v(0) = previousTrack; |
73042f01 | 1842 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 1843 | row[i]->Add(tracks[i]); |
fe4da5cc | 1844 | } |
1845 | else{ | |
cc80f89e | 1846 | delete tracks[i]; |
1847 | tracks[i]=0; | |
8c555625 | 1848 | } |
1849 | } | |
1850 | ||
cc80f89e | 1851 | delete [] tracks; |
73042f01 | 1852 | delete [] nofElectrons; |
8c555625 | 1853 | |
8c555625 | 1854 | |
cc80f89e | 1855 | } // end of MakeSector |
8c555625 | 1856 | |
fe4da5cc | 1857 | |
1858 | //_____________________________________________________________________________ | |
1859 | void AliTPC::Init() | |
1860 | { | |
1861 | // | |
1862 | // Initialise TPC detector after definition of geometry | |
1863 | // | |
1864 | Int_t i; | |
1865 | // | |
9e1a0ddb | 1866 | if(fDebug) { |
1867 | printf("\n%s: ",ClassName()); | |
1868 | for(i=0;i<35;i++) printf("*"); | |
1869 | printf(" TPC_INIT "); | |
1870 | for(i=0;i<35;i++) printf("*"); | |
1871 | printf("\n%s: ",ClassName()); | |
1872 | // | |
1873 | for(i=0;i<80;i++) printf("*"); | |
1874 | printf("\n"); | |
1875 | } | |
fe4da5cc | 1876 | } |
1877 | ||
1878 | //_____________________________________________________________________________ | |
9e1a0ddb | 1879 | void AliTPC::MakeBranch(Option_t* option, const char *file) |
fe4da5cc | 1880 | { |
1881 | // | |
1882 | // Create Tree branches for the TPC. | |
1883 | // | |
1884 | Int_t buffersize = 4000; | |
1885 | char branchname[10]; | |
1886 | sprintf(branchname,"%s",GetName()); | |
1887 | ||
2ab0c725 | 1888 | AliDetector::MakeBranch(option,file); |
fe4da5cc | 1889 | |
5cf7bbad | 1890 | const char *d = strstr(option,"D"); |
fe4da5cc | 1891 | |
73042f01 | 1892 | if (fDigits && gAlice->TreeD() && d) { |
9e1a0ddb | 1893 | MakeBranchInTree(gAlice->TreeD(), |
1894 | branchname, &fDigits, buffersize, file); | |
fe4da5cc | 1895 | } |
39c8eb58 | 1896 | |
2ab0c725 | 1897 | if (fHitType&2) MakeBranch2(option,file); // MI change 14.09.2000 |
fe4da5cc | 1898 | } |
1899 | ||
1900 | //_____________________________________________________________________________ | |
1901 | void AliTPC::ResetDigits() | |
1902 | { | |
1903 | // | |
1904 | // Reset number of digits and the digits array for this detector | |
fe4da5cc | 1905 | // |
1906 | fNdigits = 0; | |
cc80f89e | 1907 | if (fDigits) fDigits->Clear(); |
fe4da5cc | 1908 | } |
1909 | ||
1910 | //_____________________________________________________________________________ | |
1911 | void AliTPC::SetSecAL(Int_t sec) | |
1912 | { | |
8c555625 | 1913 | //--------------------------------------------------- |
fe4da5cc | 1914 | // Activate/deactivate selection for lower sectors |
8c555625 | 1915 | //--------------------------------------------------- |
1916 | ||
1917 | //----------------------------------------------------------------- | |
1918 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1919 | //----------------------------------------------------------------- | |
1920 | ||
fe4da5cc | 1921 | fSecAL = sec; |
1922 | } | |
1923 | ||
1924 | //_____________________________________________________________________________ | |
1925 | void AliTPC::SetSecAU(Int_t sec) | |
1926 | { | |
8c555625 | 1927 | //---------------------------------------------------- |
fe4da5cc | 1928 | // Activate/deactivate selection for upper sectors |
8c555625 | 1929 | //--------------------------------------------------- |
1930 | ||
1931 | //----------------------------------------------------------------- | |
1932 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1933 | //----------------------------------------------------------------- | |
1934 | ||
fe4da5cc | 1935 | fSecAU = sec; |
1936 | } | |
1937 | ||
1938 | //_____________________________________________________________________________ | |
1939 | void AliTPC::SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6) | |
1940 | { | |
8c555625 | 1941 | //---------------------------------------- |
fe4da5cc | 1942 | // Select active lower sectors |
8c555625 | 1943 | //---------------------------------------- |
1944 | ||
1945 | //----------------------------------------------------------------- | |
1946 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1947 | //----------------------------------------------------------------- | |
1948 | ||
fe4da5cc | 1949 | fSecLows[0] = s1; |
1950 | fSecLows[1] = s2; | |
1951 | fSecLows[2] = s3; | |
1952 | fSecLows[3] = s4; | |
1953 | fSecLows[4] = s5; | |
1954 | fSecLows[5] = s6; | |
1955 | } | |
1956 | ||
1957 | //_____________________________________________________________________________ | |
1958 | void AliTPC::SetSecUps(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6, | |
1959 | Int_t s7, Int_t s8 ,Int_t s9 ,Int_t s10, | |
1960 | Int_t s11 , Int_t s12) | |
1961 | { | |
8c555625 | 1962 | //-------------------------------- |
fe4da5cc | 1963 | // Select active upper sectors |
8c555625 | 1964 | //-------------------------------- |
1965 | ||
1966 | //----------------------------------------------------------------- | |
1967 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1968 | //----------------------------------------------------------------- | |
1969 | ||
fe4da5cc | 1970 | fSecUps[0] = s1; |
1971 | fSecUps[1] = s2; | |
1972 | fSecUps[2] = s3; | |
1973 | fSecUps[3] = s4; | |
1974 | fSecUps[4] = s5; | |
1975 | fSecUps[5] = s6; | |
1976 | fSecUps[6] = s7; | |
1977 | fSecUps[7] = s8; | |
1978 | fSecUps[8] = s9; | |
1979 | fSecUps[9] = s10; | |
1980 | fSecUps[10] = s11; | |
1981 | fSecUps[11] = s12; | |
1982 | } | |
1983 | ||
1984 | //_____________________________________________________________________________ | |
1985 | void AliTPC::SetSens(Int_t sens) | |
1986 | { | |
8c555625 | 1987 | |
1988 | //------------------------------------------------------------- | |
1989 | // Activates/deactivates the sensitive strips at the center of | |
1990 | // the pad row -- this is for the space-point resolution calculations | |
1991 | //------------------------------------------------------------- | |
1992 | ||
1993 | //----------------------------------------------------------------- | |
1994 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1995 | //----------------------------------------------------------------- | |
1996 | ||
fe4da5cc | 1997 | fSens = sens; |
1998 | } | |
2b06d5c3 | 1999 | |
4b0fdcad | 2000 | |
73042f01 | 2001 | void AliTPC::SetSide(Float_t side=0.) |
4b0fdcad | 2002 | { |
73042f01 | 2003 | // choice of the TPC side |
2004 | ||
4b0fdcad | 2005 | fSide = side; |
2006 | ||
2007 | } | |
1283eee5 | 2008 | //____________________________________________________________________________ |
2009 | void AliTPC::SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1, | |
2010 | Float_t p2,Float_t p3) | |
2011 | { | |
fe4da5cc | 2012 | |
73042f01 | 2013 | // gax mixture definition |
2014 | ||
1283eee5 | 2015 | fNoComp = nc; |
2016 | ||
2017 | fMixtComp[0]=c1; | |
2018 | fMixtComp[1]=c2; | |
2019 | fMixtComp[2]=c3; | |
2020 | ||
2021 | fMixtProp[0]=p1; | |
2022 | fMixtProp[1]=p2; | |
2023 | fMixtProp[2]=p3; | |
2024 | ||
2025 | ||
cc80f89e | 2026 | } |
2027 | //_____________________________________________________________________________ | |
2028 | ||
2029 | void AliTPC::TransportElectron(Float_t *xyz, Int_t *index) | |
2030 | { | |
2031 | // | |
2032 | // electron transport taking into account: | |
2033 | // 1. diffusion, | |
2034 | // 2.ExB at the wires | |
2035 | // 3. nonisochronity | |
2036 | // | |
2037 | // xyz and index must be already transformed to system 1 | |
2038 | // | |
2039 | ||
2040 | fTPCParam->Transform1to2(xyz,index); | |
2041 | ||
2042 | //add diffusion | |
2043 | Float_t driftl=xyz[2]; | |
2044 | if(driftl<0.01) driftl=0.01; | |
2045 | driftl=TMath::Sqrt(driftl); | |
73042f01 | 2046 | Float_t sigT = driftl*(fTPCParam->GetDiffT()); |
2047 | Float_t sigL = driftl*(fTPCParam->GetDiffL()); | |
2048 | xyz[0]=gRandom->Gaus(xyz[0],sigT); | |
2049 | xyz[1]=gRandom->Gaus(xyz[1],sigT); | |
2050 | xyz[2]=gRandom->Gaus(xyz[2],sigL); | |
cc80f89e | 2051 | |
2052 | // ExB | |
2053 | ||
2054 | if (fTPCParam->GetMWPCReadout()==kTRUE){ | |
2055 | Float_t x1=xyz[0]; | |
2056 | fTPCParam->Transform2to2NearestWire(xyz,index); | |
2057 | Float_t dx=xyz[0]-x1; | |
2058 | xyz[1]+=dx*(fTPCParam->GetOmegaTau()); | |
2059 | } | |
2060 | //add nonisochronity (not implemented yet) | |
2061 | ||
1283eee5 | 2062 | } |
fe4da5cc | 2063 | |
fe4da5cc | 2064 | ClassImp(AliTPCdigit) |
2065 | ||
2066 | //_____________________________________________________________________________ | |
2067 | AliTPCdigit::AliTPCdigit(Int_t *tracks, Int_t *digits): | |
2068 | AliDigit(tracks) | |
2069 | { | |
2070 | // | |
2071 | // Creates a TPC digit object | |
2072 | // | |
2073 | fSector = digits[0]; | |
2074 | fPadRow = digits[1]; | |
2075 | fPad = digits[2]; | |
2076 | fTime = digits[3]; | |
2077 | fSignal = digits[4]; | |
2078 | } | |
2079 | ||
2080 | ||
2081 | ClassImp(AliTPChit) | |
2082 | ||
2083 | //_____________________________________________________________________________ | |
2084 | AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): | |
2085 | AliHit(shunt,track) | |
2086 | { | |
2087 | // | |
2088 | // Creates a TPC hit object | |
2089 | // | |
2090 | fSector = vol[0]; | |
2091 | fPadRow = vol[1]; | |
2092 | fX = hits[0]; | |
2093 | fY = hits[1]; | |
2094 | fZ = hits[2]; | |
2095 | fQ = hits[3]; | |
2096 | } | |
2097 | ||
8c555625 | 2098 | |
39c8eb58 | 2099 | //________________________________________________________________________ |
2100 | // Additional code because of the AliTPCTrackHits | |
2101 | ||
9e1a0ddb | 2102 | void AliTPC::MakeBranch2(Option_t *option,const char *file) |
39c8eb58 | 2103 | { |
2104 | // | |
2105 | // Create a new branch in the current Root Tree | |
2106 | // The branch of fHits is automatically split | |
2107 | // MI change 14.09.2000 | |
2108 | if (fHitType&2==0) return; | |
2109 | char branchname[10]; | |
2110 | sprintf(branchname,"%s2",GetName()); | |
2111 | // | |
2112 | // Get the pointer to the header | |
5cf7bbad | 2113 | const char *cH = strstr(option,"H"); |
39c8eb58 | 2114 | // |
2115 | if (fTrackHits && gAlice->TreeH() && cH) { | |
39c8eb58 | 2116 | AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHits",&fTrackHits, |
2117 | gAlice->TreeH(),fBufferSize,1); | |
2118 | gAlice->TreeH()->GetListOfBranches()->Add(branch); | |
9e1a0ddb | 2119 | if (GetDebug()>1) |
2120 | printf("* AliDetector::MakeBranch * Making Branch %s for trackhits\n",branchname); | |
2121 | const char folder [] = "RunMC/Event/Data"; | |
2122 | if (GetDebug()) | |
2123 | printf("%15s: Publishing %s to %s\n",ClassName(),branchname,folder); | |
2124 | Publish(folder,&fTrackHits,branchname); | |
2ab0c725 | 2125 | if (file) { |
2126 | TBranch *b = gAlice->TreeH()->GetBranch(branchname); | |
2127 | TDirectory *wd = gDirectory; | |
2128 | b->SetFile(file); | |
2129 | TIter next( b->GetListOfBranches()); | |
2130 | while ((b=(TBranch*)next())) { | |
9e1a0ddb | 2131 | b->SetFile(file); |
2ab0c725 | 2132 | } |
2133 | wd->cd(); | |
9e1a0ddb | 2134 | if (GetDebug()>1) |
2135 | cout << "Diverting branch " << branchname << " to file " << file << endl; | |
2ab0c725 | 2136 | } |
39c8eb58 | 2137 | } |
2138 | } | |
2139 | ||
2140 | void AliTPC::SetTreeAddress() | |
2141 | { | |
2142 | if (fHitType&1) AliDetector::SetTreeAddress(); | |
2143 | if (fHitType&2) SetTreeAddress2(); | |
2144 | } | |
2145 | ||
2146 | void AliTPC::SetTreeAddress2() | |
2147 | { | |
2148 | // | |
2149 | // Set branch address for the TrackHits Tree | |
2150 | // | |
2151 | TBranch *branch; | |
2152 | char branchname[20]; | |
2153 | sprintf(branchname,"%s2",GetName()); | |
2154 | // | |
2155 | // Branch address for hit tree | |
2156 | TTree *treeH = gAlice->TreeH(); | |
2157 | if (treeH) { | |
2158 | branch = treeH->GetBranch(branchname); | |
2159 | if (branch) branch->SetAddress(&fTrackHits); | |
2160 | } | |
2161 | } | |
2162 | ||
2163 | void AliTPC::FinishPrimary() | |
2164 | { | |
2165 | if (fTrackHits) fTrackHits->FlushHitStack(); | |
2166 | } | |
2167 | ||
2168 | ||
2169 | void AliTPC::AddHit2(Int_t track, Int_t *vol, Float_t *hits) | |
2170 | { | |
2171 | // | |
2172 | // add hit to the list | |
39c8eb58 | 2173 | Int_t rtrack; |
2174 | if (fIshunt) { | |
2175 | int primary = gAlice->GetPrimary(track); | |
2ab0c725 | 2176 | gAlice->Particle(primary)->SetBit(kKeepBit); |
39c8eb58 | 2177 | rtrack=primary; |
2178 | } else { | |
2179 | rtrack=track; | |
2180 | gAlice->FlagTrack(track); | |
2181 | } | |
2182 | //AliTPChit *hit = (AliTPChit*)fHits->UncheckedAt(fNhits-1); | |
2183 | //if (hit->fTrack!=rtrack) | |
2184 | // cout<<"bad track number\n"; | |
2185 | if (fTrackHits) | |
2186 | fTrackHits->AddHitKartez(vol[0],rtrack, hits[0], | |
2187 | hits[1],hits[2],(Int_t)hits[3]); | |
2188 | } | |
2189 | ||
2190 | void AliTPC::ResetHits() | |
2191 | { | |
2192 | if (fHitType&1) AliDetector::ResetHits(); | |
2193 | if (fHitType&2) ResetHits2(); | |
2194 | } | |
2195 | ||
2196 | void AliTPC::ResetHits2() | |
2197 | { | |
2198 | // | |
2199 | //reset hits | |
2200 | if (fTrackHits) fTrackHits->Clear(); | |
2201 | } | |
2202 | ||
2203 | AliHit* AliTPC::FirstHit(Int_t track) | |
2204 | { | |
2205 | if (fHitType&2) return FirstHit2(track); | |
2206 | return AliDetector::FirstHit(track); | |
2207 | } | |
2208 | AliHit* AliTPC::NextHit() | |
2209 | { | |
2210 | if (fHitType&2) return NextHit2(); | |
2211 | return AliDetector::NextHit(); | |
2212 | } | |
2213 | ||
2214 | AliHit* AliTPC::FirstHit2(Int_t track) | |
2215 | { | |
2216 | // | |
2217 | // Initialise the hit iterator | |
2218 | // Return the address of the first hit for track | |
2219 | // If track>=0 the track is read from disk | |
2220 | // while if track<0 the first hit of the current | |
2221 | // track is returned | |
2222 | // | |
2223 | if(track>=0) { | |
2224 | gAlice->ResetHits(); | |
2225 | gAlice->TreeH()->GetEvent(track); | |
2226 | } | |
2227 | // | |
2228 | if (fTrackHits) { | |
2229 | fTrackHits->First(); | |
2230 | return fTrackHits->GetHit(); | |
2231 | } | |
2232 | else return 0; | |
2233 | } | |
2234 | ||
2235 | AliHit* AliTPC::NextHit2() | |
2236 | { | |
2237 | // | |
2238 | //Return the next hit for the current track | |
2239 | ||
2240 | if (fTrackHits) { | |
2241 | fTrackHits->Next(); | |
2242 | return fTrackHits->GetHit(); | |
2243 | } | |
2244 | else | |
2245 | return 0; | |
2246 | } | |
2247 | ||
2248 | void AliTPC::LoadPoints(Int_t) | |
2249 | { | |
2250 | // | |
2251 | Int_t a = 0; | |
f2e8b846 | 2252 | /* if(fHitType==1) return AliDetector::LoadPoints(a); |
39c8eb58 | 2253 | LoadPoints2(a); |
f2e8b846 | 2254 | */ |
2255 | if(fHitType==1) AliDetector::LoadPoints(a); | |
2256 | else LoadPoints2(a); | |
2257 | ||
39c8eb58 | 2258 | // LoadPoints3(a); |
2259 | ||
2260 | } | |
2261 | ||
2262 | ||
2263 | void AliTPC::RemapTrackHitIDs(Int_t *map) | |
2264 | { | |
2265 | if (!fTrackHits) return; | |
2266 | AliObjectArray * arr = fTrackHits->fTrackHitsInfo; | |
2267 | for (UInt_t i=0;i<arr->GetSize();i++){ | |
2268 | AliTrackHitsInfo * info = (AliTrackHitsInfo *)(arr->At(i)); | |
2269 | info->fTrackID = map[info->fTrackID]; | |
2270 | } | |
2271 | ||
2272 | } | |
2273 | ||
2274 | ||
2275 | //_____________________________________________________________________________ | |
2276 | void AliTPC::LoadPoints2(Int_t) | |
2277 | { | |
2278 | // | |
2279 | // Store x, y, z of all hits in memory | |
2280 | // | |
2281 | if (fTrackHits == 0) return; | |
2282 | // | |
2283 | Int_t nhits = fTrackHits->GetEntriesFast(); | |
2284 | if (nhits == 0) return; | |
2285 | Int_t tracks = gAlice->GetNtrack(); | |
2286 | if (fPoints == 0) fPoints = new TObjArray(tracks); | |
2287 | AliHit *ahit; | |
2288 | // | |
2289 | Int_t *ntrk=new Int_t[tracks]; | |
2290 | Int_t *limi=new Int_t[tracks]; | |
2291 | Float_t **coor=new Float_t*[tracks]; | |
2292 | for(Int_t i=0;i<tracks;i++) { | |
2293 | ntrk[i]=0; | |
2294 | coor[i]=0; | |
2295 | limi[i]=0; | |
2296 | } | |
2297 | // | |
2298 | AliPoints *points = 0; | |
2299 | Float_t *fp=0; | |
2300 | Int_t trk; | |
2301 | Int_t chunk=nhits/4+1; | |
2302 | // | |
2303 | // Loop over all the hits and store their position | |
2304 | // | |
2305 | ahit = FirstHit2(-1); | |
2306 | //for (Int_t hit=0;hit<nhits;hit++) { | |
2307 | while (ahit){ | |
2308 | // ahit = (AliHit*)fHits->UncheckedAt(hit); | |
2309 | trk=ahit->GetTrack(); | |
2310 | if(ntrk[trk]==limi[trk]) { | |
2311 | // | |
2312 | // Initialise a new track | |
2313 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2314 | if(coor[trk]) { | |
2315 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2316 | delete [] coor[trk]; | |
2317 | } | |
2318 | limi[trk]+=chunk; | |
2319 | coor[trk] = fp; | |
2320 | } else { | |
2321 | fp = coor[trk]; | |
2322 | } | |
2323 | fp[3*ntrk[trk] ] = ahit->X(); | |
2324 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2325 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2326 | ntrk[trk]++; | |
2327 | ahit = NextHit2(); | |
2328 | } | |
2329 | // | |
2330 | for(trk=0; trk<tracks; ++trk) { | |
2331 | if(ntrk[trk]) { | |
2332 | points = new AliPoints(); | |
2333 | points->SetMarkerColor(GetMarkerColor()); | |
2334 | points->SetMarkerSize(GetMarkerSize()); | |
2335 | points->SetDetector(this); | |
2336 | points->SetParticle(trk); | |
2337 | points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()); | |
2338 | fPoints->AddAt(points,trk); | |
2339 | delete [] coor[trk]; | |
2340 | coor[trk]=0; | |
2341 | } | |
2342 | } | |
2343 | delete [] coor; | |
2344 | delete [] ntrk; | |
2345 | delete [] limi; | |
2346 | } | |
2347 | ||
2348 | ||
2349 | //_____________________________________________________________________________ | |
2350 | void AliTPC::LoadPoints3(Int_t) | |
2351 | { | |
2352 | // | |
2353 | // Store x, y, z of all hits in memory | |
2354 | // - only intersection point with pad row | |
2355 | if (fTrackHits == 0) return; | |
2356 | // | |
2357 | Int_t nhits = fTrackHits->GetEntriesFast(); | |
2358 | if (nhits == 0) return; | |
2359 | Int_t tracks = gAlice->GetNtrack(); | |
2360 | if (fPoints == 0) fPoints = new TObjArray(2*tracks); | |
2361 | fPoints->Expand(2*tracks); | |
2362 | AliHit *ahit; | |
2363 | // | |
2364 | Int_t *ntrk=new Int_t[tracks]; | |
2365 | Int_t *limi=new Int_t[tracks]; | |
2366 | Float_t **coor=new Float_t*[tracks]; | |
2367 | for(Int_t i=0;i<tracks;i++) { | |
2368 | ntrk[i]=0; | |
2369 | coor[i]=0; | |
2370 | limi[i]=0; | |
2371 | } | |
2372 | // | |
2373 | AliPoints *points = 0; | |
2374 | Float_t *fp=0; | |
2375 | Int_t trk; | |
2376 | Int_t chunk=nhits/4+1; | |
2377 | // | |
2378 | // Loop over all the hits and store their position | |
2379 | // | |
2380 | ahit = FirstHit2(-1); | |
2381 | //for (Int_t hit=0;hit<nhits;hit++) { | |
2382 | ||
2383 | Int_t lastrow = -1; | |
2384 | while (ahit){ | |
2385 | // ahit = (AliHit*)fHits->UncheckedAt(hit); | |
2386 | trk=ahit->GetTrack(); | |
2387 | Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()}; | |
2388 | Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0}; | |
2389 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
2390 | if (currentrow!=lastrow){ | |
2391 | lastrow = currentrow; | |
2392 | //later calculate intersection point | |
2393 | if(ntrk[trk]==limi[trk]) { | |
2394 | // | |
2395 | // Initialise a new track | |
2396 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2397 | if(coor[trk]) { | |
2398 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2399 | delete [] coor[trk]; | |
2400 | } | |
2401 | limi[trk]+=chunk; | |
2402 | coor[trk] = fp; | |
2403 | } else { | |
2404 | fp = coor[trk]; | |
2405 | } | |
2406 | fp[3*ntrk[trk] ] = ahit->X(); | |
2407 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2408 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2409 | ntrk[trk]++; | |
2410 | } | |
2411 | ahit = NextHit2(); | |
2412 | } | |
2413 | ||
2414 | // | |
2415 | for(trk=0; trk<tracks; ++trk) { | |
2416 | if(ntrk[trk]) { | |
2417 | points = new AliPoints(); | |
2418 | points->SetMarkerColor(GetMarkerColor()+1); | |
2419 | points->SetMarkerStyle(5); | |
2420 | points->SetMarkerSize(0.2); | |
2421 | points->SetDetector(this); | |
2422 | points->SetParticle(trk); | |
2423 | // points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()20); | |
2424 | points->SetPolyMarker(ntrk[trk],coor[trk],30); | |
2425 | fPoints->AddAt(points,tracks+trk); | |
2426 | delete [] coor[trk]; | |
2427 | coor[trk]=0; | |
2428 | } | |
2429 | } | |
2430 | delete [] coor; | |
2431 | delete [] ntrk; | |
2432 | delete [] limi; | |
2433 | } | |
2434 | ||
2435 | ||
2436 | ||
2437 | void AliTPC::FindTrackHitsIntersection(TClonesArray * arr) | |
2438 | { | |
2439 | ||
2440 | // | |
2441 | //fill clones array with intersection of current point with the | |
2442 | //middle of the row | |
2443 | Int_t sector; | |
2444 | Int_t ipart; | |
2445 | ||
2446 | const Int_t kcmaxhits=30000; | |
2447 | TVector * xxxx = new TVector(kcmaxhits*4); | |
2448 | TVector & xxx = *xxxx; | |
2449 | Int_t maxhits = kcmaxhits; | |
2450 | ||
2451 | // | |
2452 | AliTPChit * tpcHit=0; | |
2453 | tpcHit = (AliTPChit*)FirstHit2(-1); | |
2454 | Int_t currentIndex=0; | |
2455 | Int_t lastrow=-1; //last writen row | |
2456 | ||
2457 | while (tpcHit){ | |
2458 | if (tpcHit==0) continue; | |
2459 | sector=tpcHit->fSector; // sector number | |
2460 | ipart=tpcHit->Track(); | |
2461 | ||
2462 | //find row number | |
2463 | ||
2464 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; | |
2465 | Int_t index[3]={1,sector,0}; | |
2466 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
2467 | if (currentrow<0) continue; | |
2468 | if (lastrow<0) lastrow=currentrow; | |
2469 | if (currentrow==lastrow){ | |
2470 | if ( currentIndex>=maxhits){ | |
2471 | maxhits+=kcmaxhits; | |
2472 | xxx.ResizeTo(4*maxhits); | |
2473 | } | |
2474 | xxx(currentIndex*4)=x[0]; | |
2475 | xxx(currentIndex*4+1)=x[1]; | |
2476 | xxx(currentIndex*4+2)=x[2]; | |
2477 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
2478 | currentIndex++; | |
2479 | } | |
2480 | else | |
2481 | if (currentIndex>2){ | |
2482 | Float_t sumx=0; | |
2483 | Float_t sumx2=0; | |
2484 | Float_t sumx3=0; | |
2485 | Float_t sumx4=0; | |
2486 | Float_t sumy=0; | |
2487 | Float_t sumxy=0; | |
2488 | Float_t sumx2y=0; | |
2489 | Float_t sumz=0; | |
2490 | Float_t sumxz=0; | |
2491 | Float_t sumx2z=0; | |
2492 | Float_t sumq=0; | |
2493 | for (Int_t index=0;index<currentIndex;index++){ | |
2494 | Float_t x,x2,x3,x4; | |
2495 | x=x2=x3=x4=xxx(index*4); | |
2496 | x2*=x; | |
2497 | x3*=x2; | |
2498 | x4*=x3; | |
2499 | sumx+=x; | |
2500 | sumx2+=x2; | |
2501 | sumx3+=x3; | |
2502 | sumx4+=x4; | |
2503 | sumy+=xxx(index*4+1); | |
2504 | sumxy+=xxx(index*4+1)*x; | |
2505 | sumx2y+=xxx(index*4+1)*x2; | |
2506 | sumz+=xxx(index*4+2); | |
2507 | sumxz+=xxx(index*4+2)*x; | |
2508 | sumx2z+=xxx(index*4+2)*x2; | |
2509 | sumq+=xxx(index*4+3); | |
2510 | } | |
2511 | Float_t centralPad = (fTPCParam->GetNPads(sector,lastrow)-1)/2; | |
2512 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ | |
2513 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
2514 | ||
2515 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
2516 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
2517 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
2518 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
2519 | ||
2520 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
2521 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
2522 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
2523 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
2524 | ||
2525 | Float_t y=detay/det+centralPad; | |
2526 | Float_t z=detaz/det; | |
2527 | Float_t by=detby/det; //y angle | |
2528 | Float_t bz=detbz/det; //z angle | |
2529 | sumy/=Float_t(currentIndex); | |
2530 | sumz/=Float_t(currentIndex); | |
2531 | ||
2532 | AliComplexCluster cl; | |
2533 | cl.fX=z; | |
2534 | cl.fY=y; | |
2535 | cl.fQ=sumq; | |
2536 | cl.fSigmaX2=bz; | |
2537 | cl.fSigmaY2=by; | |
2538 | cl.fTracks[0]=ipart; | |
2539 | ||
2540 | AliTPCClustersRow * row = (fClustersArray->GetRow(sector,lastrow)); | |
2541 | if (row!=0) row->InsertCluster(&cl); | |
2542 | currentIndex=0; | |
2543 | lastrow=currentrow; | |
2544 | } //end of calculating cluster for given row | |
2545 | ||
2546 | } // end of loop over hits | |
2547 | xxxx->Delete(); | |
39c8eb58 | 2548 | |
2549 | } | |
afc42102 | 2550 | //_______________________________________________________________________________ |
2551 | void AliTPC::Digits2Reco(Int_t eventnumber) | |
2552 | { | |
2553 | // empty for a time being | |
2554 | } |