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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 | $Log$ | |
6bc3458d | 18 | Revision 1.43 2001/07/28 12:02:54 hristov |
19 | Branch split level set to 99 | |
20 | ||
8f90302f | 21 | Revision 1.42 2001/07/28 11:38:52 hristov |
22 | Loop variable declared once | |
23 | ||
43272665 | 24 | Revision 1.41 2001/07/28 10:53:50 hristov |
25 | Digitisation done according to the general scheme (M.Ivanov) | |
26 | ||
0a61bf9d | 27 | Revision 1.40 2001/07/27 13:03:14 hristov |
28 | Default Branch split level set to 99 | |
29 | ||
d0f40f23 | 30 | Revision 1.39 2001/07/26 09:09:34 kowal2 |
31 | Hits2Reco method added | |
32 | ||
a62d28a2 | 33 | Revision 1.38 2001/07/20 14:32:43 kowal2 |
34 | Processing of many events possible now | |
35 | ||
afc42102 | 36 | Revision 1.37 2001/06/12 07:17:18 kowal2 |
37 | Hits2SDigits method implemented (summable digits) | |
38 | ||
f8cf550c | 39 | Revision 1.36 2001/05/16 14:57:25 alibrary |
40 | New files for folders and Stack | |
41 | ||
9e1a0ddb | 42 | Revision 1.35 2001/05/08 16:02:22 kowal2 |
43 | Updated material specifications | |
44 | ||
ba1d05f9 | 45 | Revision 1.34 2001/05/08 15:00:15 hristov |
46 | Corrections for tracking in arbitrary magnenetic field. Changes towards a concept of global Alice track. Back propagation of reconstructed tracks (Yu.Belikov) | |
47 | ||
b9de75e1 | 48 | Revision 1.33 2001/04/03 12:40:43 kowal2 |
49 | Removed printouts | |
50 | ||
5a28a08f | 51 | Revision 1.32 2001/03/12 17:47:36 hristov |
52 | Changes needed on Sun with CC 5.0 | |
53 | ||
5cf7bbad | 54 | Revision 1.31 2001/03/12 08:21:50 kowal2 |
55 | Corrected C++ bug in the material definitions | |
56 | ||
9a3667bd | 57 | Revision 1.30 2001/03/01 17:34:47 kowal2 |
58 | Correction due to the accuracy problem | |
59 | ||
710dacf5 | 60 | Revision 1.29 2001/02/28 16:34:40 kowal2 |
61 | Protection against nonphysical values of the avalanche size, | |
62 | 10**6 is the maximum | |
63 | ||
1705494b | 64 | Revision 1.28 2001/01/26 19:57:19 hristov |
65 | Major upgrade of AliRoot code | |
66 | ||
2ab0c725 | 67 | Revision 1.27 2001/01/13 17:29:33 kowal2 |
68 | Sun compiler correction | |
69 | ||
f2e8b846 | 70 | Revision 1.26 2001/01/10 07:59:43 kowal2 |
71 | Corrections to load points from the noncompressed hits. | |
72 | ||
53048f2e | 73 | Revision 1.25 2000/11/02 07:25:31 kowal2 |
74 | Changes due to the new hit structure. | |
75 | Memory leak removed. | |
76 | ||
39c8eb58 | 77 | Revision 1.24 2000/10/05 16:06:09 kowal2 |
78 | Forward declarations. Changes due to a new class AliComplexCluster. | |
79 | ||
2b06d5c3 | 80 | Revision 1.23 2000/10/02 21:28:18 fca |
81 | Removal of useless dependecies via forward declarations | |
82 | ||
94de3818 | 83 | Revision 1.22 2000/07/10 20:57:39 hristov |
84 | Update of TPC code and macros by M.Kowalski | |
85 | ||
73042f01 | 86 | Revision 1.19.2.4 2000/06/26 07:39:42 kowal2 |
87 | Changes to obey the coding rules | |
88 | ||
89 | Revision 1.19.2.3 2000/06/25 08:38:41 kowal2 | |
90 | Splitted from AliTPCtracking | |
91 | ||
92 | Revision 1.19.2.2 2000/06/16 12:59:28 kowal2 | |
93 | Changed parameter settings | |
94 | ||
95 | Revision 1.19.2.1 2000/06/09 07:15:07 kowal2 | |
96 | ||
97 | Defaults loaded automatically (hard-wired) | |
98 | Optional parameters can be set via macro called in the constructor | |
99 | ||
100 | Revision 1.19 2000/04/18 19:00:59 fca | |
101 | Small bug fixes to TPC files | |
102 | ||
4d68a14a | 103 | Revision 1.18 2000/04/17 09:37:33 kowal2 |
104 | removed obsolete AliTPCDigitsDisplay.C | |
105 | ||
cc80f89e | 106 | Revision 1.17.2.2 2000/04/10 08:15:12 kowal2 |
107 | ||
108 | New, experimental data structure from M. Ivanov | |
109 | New tracking algorithm | |
110 | Different pad geometry for different sectors | |
111 | Digitization rewritten | |
112 | ||
113 | Revision 1.17.2.1 2000/04/10 07:56:53 kowal2 | |
114 | Not used anymore - removed | |
115 | ||
116 | Revision 1.17 2000/01/19 17:17:30 fca | |
117 | Introducing a list of lists of hits -- more hits allowed for detector now | |
118 | ||
1cedd08a | 119 | Revision 1.16 1999/11/05 09:29:23 fca |
120 | Accept only signals > 0 | |
121 | ||
921bf71a | 122 | Revision 1.15 1999/10/08 06:26:53 fca |
123 | Removed ClustersIndex - not used anymore | |
124 | ||
e674b993 | 125 | Revision 1.14 1999/09/29 09:24:33 fca |
126 | Introduction of the Copyright and cvs Log | |
127 | ||
4c039060 | 128 | */ |
129 | ||
fe4da5cc | 130 | /////////////////////////////////////////////////////////////////////////////// |
131 | // // | |
132 | // Time Projection Chamber // | |
133 | // This class contains the basic functions for the Time Projection Chamber // | |
134 | // detector. Functions specific to one particular geometry are // | |
135 | // contained in the derived classes // | |
136 | // // | |
137 | //Begin_Html | |
138 | /* | |
1439f98e | 139 | <img src="picts/AliTPCClass.gif"> |
fe4da5cc | 140 | */ |
141 | //End_Html | |
142 | // // | |
8c555625 | 143 | // // |
fe4da5cc | 144 | /////////////////////////////////////////////////////////////////////////////// |
145 | ||
73042f01 | 146 | // |
147 | ||
fe4da5cc | 148 | #include <TMath.h> |
149 | #include <TRandom.h> | |
150 | #include <TVector.h> | |
8c555625 | 151 | #include <TMatrix.h> |
fe4da5cc | 152 | #include <TGeometry.h> |
153 | #include <TNode.h> | |
154 | #include <TTUBS.h> | |
155 | #include <TObjectTable.h> | |
1578254f | 156 | #include "TParticle.h" |
fe4da5cc | 157 | #include "AliTPC.h" |
afc42102 | 158 | #include <TFile.h> |
159 | #include <TROOT.h> | |
160 | #include <TSystem.h> | |
fe4da5cc | 161 | #include "AliRun.h" |
162 | #include <iostream.h> | |
2ab0c725 | 163 | #include <stdlib.h> |
fe4da5cc | 164 | #include <fstream.h> |
165 | #include "AliMC.h" | |
94de3818 | 166 | #include "AliMagF.h" |
fe4da5cc | 167 | |
cc80f89e | 168 | |
73042f01 | 169 | #include "AliTPCParamSR.h" |
8c555625 | 170 | #include "AliTPCPRF2D.h" |
171 | #include "AliTPCRF1D.h" | |
cc80f89e | 172 | #include "AliDigits.h" |
173 | #include "AliSimDigits.h" | |
39c8eb58 | 174 | #include "AliTPCTrackHits.h" |
175 | #include "AliPoints.h" | |
176 | #include "AliArrayBranch.h" | |
177 | ||
cc80f89e | 178 | |
179 | #include "AliTPCDigitsArray.h" | |
2b06d5c3 | 180 | #include "AliComplexCluster.h" |
cc80f89e | 181 | #include "AliClusters.h" |
182 | #include "AliTPCClustersRow.h" | |
183 | #include "AliTPCClustersArray.h" | |
8c555625 | 184 | |
73042f01 | 185 | #include "AliTPCcluster.h" |
186 | #include "AliTPCclusterer.h" | |
187 | #include "AliTPCtracker.h" | |
8c555625 | 188 | |
73042f01 | 189 | #include <TInterpreter.h> |
2b06d5c3 | 190 | #include <TTree.h> |
1283eee5 | 191 | |
39c8eb58 | 192 | |
193 | ||
fe4da5cc | 194 | ClassImp(AliTPC) |
195 | ||
196 | //_____________________________________________________________________________ | |
197 | AliTPC::AliTPC() | |
198 | { | |
199 | // | |
200 | // Default constructor | |
201 | // | |
202 | fIshunt = 0; | |
fe4da5cc | 203 | fHits = 0; |
204 | fDigits = 0; | |
fe4da5cc | 205 | fNsectors = 0; |
cc80f89e | 206 | //MI changes |
207 | fDigitsArray = 0; | |
208 | fClustersArray = 0; | |
afc42102 | 209 | fDefaults = 0; |
39c8eb58 | 210 | fTrackHits = 0; |
211 | fHitType = 2; | |
212 | fTPCParam = 0; | |
fe4da5cc | 213 | } |
214 | ||
215 | //_____________________________________________________________________________ | |
216 | AliTPC::AliTPC(const char *name, const char *title) | |
217 | : AliDetector(name,title) | |
218 | { | |
219 | // | |
220 | // Standard constructor | |
221 | // | |
222 | ||
223 | // | |
224 | // Initialise arrays of hits and digits | |
225 | fHits = new TClonesArray("AliTPChit", 176); | |
4d68a14a | 226 | gAlice->AddHitList(fHits); |
cc80f89e | 227 | //MI change |
228 | fDigitsArray = 0; | |
229 | fClustersArray= 0; | |
afc42102 | 230 | fDefaults = 0; |
fe4da5cc | 231 | // |
39c8eb58 | 232 | fTrackHits = new AliTPCTrackHits; //MI - 13.09.2000 |
233 | fTrackHits->SetHitPrecision(0.002); | |
234 | fTrackHits->SetStepPrecision(0.003); | |
235 | fTrackHits->SetMaxDistance(100); | |
236 | ||
237 | fHitType = 2; | |
238 | // | |
fe4da5cc | 239 | // Initialise counters |
cc80f89e | 240 | fNsectors = 0; |
cc80f89e | 241 | |
fe4da5cc | 242 | // |
243 | fIshunt = 0; | |
244 | // | |
245 | // Initialise color attributes | |
246 | SetMarkerColor(kYellow); | |
73042f01 | 247 | |
248 | // | |
249 | // Set TPC parameters | |
250 | // | |
251 | ||
afc42102 | 252 | |
253 | if (!strcmp(title,"Default")) { | |
254 | fTPCParam = new AliTPCParamSR; | |
73042f01 | 255 | } else { |
256 | cerr<<"AliTPC warning: in Config.C you must set non-default parameters\n"; | |
257 | fTPCParam=0; | |
258 | } | |
259 | ||
fe4da5cc | 260 | } |
261 | ||
262 | //_____________________________________________________________________________ | |
263 | AliTPC::~AliTPC() | |
264 | { | |
265 | // | |
266 | // TPC destructor | |
267 | // | |
73042f01 | 268 | |
fe4da5cc | 269 | fIshunt = 0; |
270 | delete fHits; | |
271 | delete fDigits; | |
73042f01 | 272 | delete fTPCParam; |
39c8eb58 | 273 | delete fTrackHits; //MI 15.09.2000 |
fe4da5cc | 274 | } |
275 | ||
fe4da5cc | 276 | //_____________________________________________________________________________ |
277 | void AliTPC::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
278 | { | |
279 | // | |
280 | // Add a hit to the list | |
281 | // | |
39c8eb58 | 282 | // TClonesArray &lhits = *fHits; |
283 | // new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
284 | if (fHitType&1){ | |
285 | TClonesArray &lhits = *fHits; | |
286 | new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
287 | } | |
288 | if (fHitType&2) | |
289 | AddHit2(track,vol,hits); | |
fe4da5cc | 290 | } |
291 | ||
fe4da5cc | 292 | //_____________________________________________________________________________ |
293 | void AliTPC::BuildGeometry() | |
294 | { | |
cc80f89e | 295 | |
fe4da5cc | 296 | // |
297 | // Build TPC ROOT TNode geometry for the event display | |
298 | // | |
73042f01 | 299 | TNode *nNode, *nTop; |
fe4da5cc | 300 | TTUBS *tubs; |
301 | Int_t i; | |
302 | const int kColorTPC=19; | |
1283eee5 | 303 | char name[5], title[25]; |
fe4da5cc | 304 | const Double_t kDegrad=TMath::Pi()/180; |
1283eee5 | 305 | const Double_t kRaddeg=180./TMath::Pi(); |
306 | ||
1283eee5 | 307 | |
73042f01 | 308 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); |
309 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
1283eee5 | 310 | |
73042f01 | 311 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); |
312 | Float_t outerAngleShift = fTPCParam->GetOuterAngleShift(); | |
1283eee5 | 313 | |
314 | Int_t nLo = fTPCParam->GetNInnerSector()/2; | |
315 | Int_t nHi = fTPCParam->GetNOuterSector()/2; | |
316 | ||
73042f01 | 317 | const Double_t kloAng = (Double_t)TMath::Nint(innerOpenAngle*kRaddeg); |
318 | const Double_t khiAng = (Double_t)TMath::Nint(outerOpenAngle*kRaddeg); | |
319 | const Double_t kloAngSh = (Double_t)TMath::Nint(innerAngleShift*kRaddeg); | |
320 | const Double_t khiAngSh = (Double_t)TMath::Nint(outerAngleShift*kRaddeg); | |
1283eee5 | 321 | |
322 | ||
73042f01 | 323 | const Double_t kloCorr = 1/TMath::Cos(0.5*kloAng*kDegrad); |
324 | const Double_t khiCorr = 1/TMath::Cos(0.5*khiAng*kDegrad); | |
1283eee5 | 325 | |
326 | Double_t rl,ru; | |
327 | ||
328 | ||
fe4da5cc | 329 | // |
330 | // Get ALICE top node | |
fe4da5cc | 331 | // |
1283eee5 | 332 | |
73042f01 | 333 | nTop=gAlice->GetGeometry()->GetNode("alice"); |
1283eee5 | 334 | |
335 | // inner sectors | |
336 | ||
cc80f89e | 337 | rl = fTPCParam->GetInnerRadiusLow(); |
338 | ru = fTPCParam->GetInnerRadiusUp(); | |
1283eee5 | 339 | |
340 | ||
fe4da5cc | 341 | for(i=0;i<nLo;i++) { |
342 | sprintf(name,"LS%2.2d",i); | |
1283eee5 | 343 | name[4]='\0'; |
344 | sprintf(title,"TPC low sector %3d",i); | |
345 | title[24]='\0'; | |
346 | ||
73042f01 | 347 | tubs = new TTUBS(name,title,"void",rl*kloCorr,ru*kloCorr,250., |
348 | kloAng*(i-0.5)+kloAngSh,kloAng*(i+0.5)+kloAngSh); | |
fe4da5cc | 349 | tubs->SetNumberOfDivisions(1); |
73042f01 | 350 | nTop->cd(); |
351 | nNode = new TNode(name,title,name,0,0,0,""); | |
352 | nNode->SetLineColor(kColorTPC); | |
353 | fNodes->Add(nNode); | |
fe4da5cc | 354 | } |
1283eee5 | 355 | |
fe4da5cc | 356 | // Outer sectors |
1283eee5 | 357 | |
cc80f89e | 358 | rl = fTPCParam->GetOuterRadiusLow(); |
359 | ru = fTPCParam->GetOuterRadiusUp(); | |
1283eee5 | 360 | |
fe4da5cc | 361 | for(i=0;i<nHi;i++) { |
362 | sprintf(name,"US%2.2d",i); | |
1283eee5 | 363 | name[4]='\0'; |
fe4da5cc | 364 | sprintf(title,"TPC upper sector %d",i); |
1283eee5 | 365 | title[24]='\0'; |
73042f01 | 366 | tubs = new TTUBS(name,title,"void",rl*khiCorr,ru*khiCorr,250, |
367 | khiAng*(i-0.5)+khiAngSh,khiAng*(i+0.5)+khiAngSh); | |
fe4da5cc | 368 | tubs->SetNumberOfDivisions(1); |
73042f01 | 369 | nTop->cd(); |
370 | nNode = new TNode(name,title,name,0,0,0,""); | |
371 | nNode->SetLineColor(kColorTPC); | |
372 | fNodes->Add(nNode); | |
fe4da5cc | 373 | } |
cc80f89e | 374 | |
73042f01 | 375 | } |
1283eee5 | 376 | |
fe4da5cc | 377 | //_____________________________________________________________________________ |
378 | Int_t AliTPC::DistancetoPrimitive(Int_t , Int_t ) | |
379 | { | |
380 | // | |
381 | // Calculate distance from TPC to mouse on the display | |
382 | // Dummy procedure | |
383 | // | |
384 | return 9999; | |
385 | } | |
386 | ||
73042f01 | 387 | void AliTPC::Clusters2Tracks(TFile *of) { |
3c0f9266 | 388 | //----------------------------------------------------------------- |
389 | // This is a track finder. | |
3c0f9266 | 390 | //----------------------------------------------------------------- |
b9de75e1 | 391 | AliTPCtracker tracker(fTPCParam); |
392 | tracker.Clusters2Tracks(gFile,of); | |
fe4da5cc | 393 | } |
394 | ||
395 | //_____________________________________________________________________________ | |
396 | void AliTPC::CreateMaterials() | |
397 | { | |
8c555625 | 398 | //----------------------------------------------- |
37831078 | 399 | // Create Materials for for TPC simulations |
8c555625 | 400 | //----------------------------------------------- |
401 | ||
402 | //----------------------------------------------------------------- | |
403 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
404 | //----------------------------------------------------------------- | |
1283eee5 | 405 | |
73042f01 | 406 | Int_t iSXFLD=gAlice->Field()->Integ(); |
407 | Float_t sXMGMX=gAlice->Field()->Max(); | |
1283eee5 | 408 | |
409 | Float_t amat[5]; // atomic numbers | |
410 | Float_t zmat[5]; // z | |
411 | Float_t wmat[5]; // proportions | |
412 | ||
413 | Float_t density; | |
37831078 | 414 | Float_t apure[2]; |
1283eee5 | 415 | |
1283eee5 | 416 | |
37831078 | 417 | //***************** Gases ************************* |
418 | ||
419 | //------------------------------------------------- | |
1283eee5 | 420 | // pure gases |
37831078 | 421 | //------------------------------------------------- |
1283eee5 | 422 | |
37831078 | 423 | // Neon |
1283eee5 | 424 | |
425 | ||
37831078 | 426 | amat[0]= 20.18; |
427 | zmat[0]= 10.; | |
1283eee5 | 428 | density = 0.0009; |
37831078 | 429 | |
430 | apure[0]=amat[0]; | |
1283eee5 | 431 | |
37831078 | 432 | AliMaterial(20,"Ne",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 433 | |
37831078 | 434 | // Argon |
1283eee5 | 435 | |
37831078 | 436 | amat[0]= 39.948; |
437 | zmat[0]= 18.; | |
438 | density = 0.001782; | |
1283eee5 | 439 | |
37831078 | 440 | apure[1]=amat[0]; |
1283eee5 | 441 | |
37831078 | 442 | AliMaterial(21,"Ar",amat[0],zmat[0],density,999.,999.); |
443 | ||
1283eee5 | 444 | |
445 | //-------------------------------------------------------------- | |
446 | // gases - compounds | |
447 | //-------------------------------------------------------------- | |
448 | ||
449 | Float_t amol[3]; | |
450 | ||
37831078 | 451 | // CO2 |
1283eee5 | 452 | |
453 | amat[0]=12.011; | |
454 | amat[1]=15.9994; | |
455 | ||
456 | zmat[0]=6.; | |
457 | zmat[1]=8.; | |
458 | ||
459 | wmat[0]=1.; | |
460 | wmat[1]=2.; | |
461 | ||
462 | density=0.001977; | |
463 | ||
464 | amol[0] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
465 | ||
466 | AliMixture(10,"CO2",amat,zmat,density,-2,wmat); | |
37831078 | 467 | |
1283eee5 | 468 | // CF4 |
469 | ||
470 | amat[0]=12.011; | |
471 | amat[1]=18.998; | |
472 | ||
473 | zmat[0]=6.; | |
474 | zmat[1]=9.; | |
475 | ||
476 | wmat[0]=1.; | |
477 | wmat[1]=4.; | |
478 | ||
479 | density=0.003034; | |
480 | ||
481 | amol[1] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
482 | ||
483 | AliMixture(11,"CF4",amat,zmat,density,-2,wmat); | |
484 | ||
37831078 | 485 | |
1283eee5 | 486 | // CH4 |
487 | ||
488 | amat[0]=12.011; | |
489 | amat[1]=1.; | |
490 | ||
491 | zmat[0]=6.; | |
492 | zmat[1]=1.; | |
493 | ||
494 | wmat[0]=1.; | |
495 | wmat[1]=4.; | |
496 | ||
497 | density=0.000717; | |
498 | ||
499 | amol[2] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
500 | ||
501 | AliMixture(12,"CH4",amat,zmat,density,-2,wmat); | |
502 | ||
503 | //---------------------------------------------------------------- | |
504 | // gases - mixtures, ID >= 20 pure gases, <= 10 ID < 20 -compounds | |
505 | //---------------------------------------------------------------- | |
37831078 | 506 | |
507 | char namate[21]; | |
1283eee5 | 508 | density = 0.; |
509 | Float_t am=0; | |
510 | Int_t nc; | |
37831078 | 511 | Float_t rho,absl,X0,buf[1]; |
1283eee5 | 512 | Int_t nbuf; |
37831078 | 513 | Float_t a,z; |
1283eee5 | 514 | |
515 | for(nc = 0;nc<fNoComp;nc++) | |
516 | { | |
517 | ||
518 | // retrive material constants | |
519 | ||
37831078 | 520 | gMC->Gfmate((*fIdmate)[fMixtComp[nc]],namate,a,z,rho,X0,absl,buf,nbuf); |
1283eee5 | 521 | |
522 | amat[nc] = a; | |
523 | zmat[nc] = z; | |
524 | ||
525 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
526 | ||
37831078 | 527 | am += fMixtProp[nc]*((fMixtComp[nc]>=20) ? apure[nnc] : amol[nnc]); |
1283eee5 | 528 | density += fMixtProp[nc]*rho; // density of the mixture |
529 | ||
530 | } | |
531 | ||
532 | // mixture proportions by weight! | |
533 | ||
534 | for(nc = 0;nc<fNoComp;nc++) | |
535 | { | |
536 | ||
537 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
538 | ||
37831078 | 539 | wmat[nc] = fMixtProp[nc]*((fMixtComp[nc]>=20) ? |
540 | apure[nnc] : amol[nnc])/am; | |
541 | ||
542 | } | |
543 | ||
544 | // Drift gases 1 - nonsensitive, 2 - sensitive | |
1283eee5 | 545 | |
1283eee5 | 546 | AliMixture(31,"Drift gas 1",amat,zmat,density,fNoComp,wmat); |
547 | AliMixture(32,"Drift gas 2",amat,zmat,density,fNoComp,wmat); | |
1283eee5 | 548 | |
1283eee5 | 549 | |
37831078 | 550 | // Air |
551 | ||
552 | amat[0] = 14.61; | |
553 | zmat[0] = 7.3; | |
554 | density = 0.001205; | |
1283eee5 | 555 | |
37831078 | 556 | AliMaterial(24,"Air",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 557 | |
1283eee5 | 558 | |
559 | //---------------------------------------------------------------------- | |
560 | // solid materials | |
561 | //---------------------------------------------------------------------- | |
562 | ||
1283eee5 | 563 | |
37831078 | 564 | // Kevlar C14H22O2N2 |
1283eee5 | 565 | |
37831078 | 566 | amat[0] = 12.011; |
567 | amat[1] = 1.; | |
568 | amat[2] = 15.999; | |
569 | amat[3] = 14.006; | |
1283eee5 | 570 | |
37831078 | 571 | zmat[0] = 6.; |
572 | zmat[1] = 1.; | |
573 | zmat[2] = 8.; | |
574 | zmat[3] = 7.; | |
575 | ||
576 | wmat[0] = 14.; | |
577 | wmat[1] = 22.; | |
578 | wmat[2] = 2.; | |
579 | wmat[3] = 2.; | |
580 | ||
581 | density = 1.45; | |
582 | ||
583 | AliMixture(34,"Kevlar",amat,zmat,density,-4,wmat); | |
584 | ||
585 | // NOMEX | |
1283eee5 | 586 | |
37831078 | 587 | amat[0] = 12.011; |
588 | amat[1] = 1.; | |
589 | amat[2] = 15.999; | |
590 | amat[3] = 14.006; | |
591 | ||
592 | zmat[0] = 6.; | |
593 | zmat[1] = 1.; | |
594 | zmat[2] = 8.; | |
595 | zmat[3] = 7.; | |
596 | ||
597 | wmat[0] = 14.; | |
598 | wmat[1] = 22.; | |
599 | wmat[2] = 2.; | |
600 | wmat[3] = 2.; | |
601 | ||
602 | density = 0.03; | |
1283eee5 | 603 | |
fe4da5cc | 604 | |
37831078 | 605 | AliMixture(35,"NOMEX",amat,zmat,density,-4,wmat); |
606 | ||
607 | // Makrolon C16H18O3 | |
608 | ||
609 | amat[0] = 12.011; | |
610 | amat[1] = 1.; | |
611 | amat[2] = 15.999; | |
1283eee5 | 612 | |
37831078 | 613 | zmat[0] = 6.; |
614 | zmat[1] = 1.; | |
615 | zmat[2] = 8.; | |
616 | ||
617 | wmat[0] = 16.; | |
618 | wmat[1] = 18.; | |
619 | wmat[2] = 3.; | |
620 | ||
621 | density = 1.2; | |
622 | ||
623 | AliMixture(36,"Makrolon",amat,zmat,density,-3,wmat); | |
624 | ||
1283eee5 | 625 | // Mylar C5H4O2 |
626 | ||
627 | amat[0]=12.011; | |
628 | amat[1]=1.; | |
629 | amat[2]=15.9994; | |
630 | ||
631 | zmat[0]=6.; | |
632 | zmat[1]=1.; | |
633 | zmat[2]=8.; | |
634 | ||
635 | wmat[0]=5.; | |
636 | wmat[1]=4.; | |
637 | wmat[2]=2.; | |
638 | ||
639 | density = 1.39; | |
fe4da5cc | 640 | |
37831078 | 641 | AliMixture(37, "Mylar",amat,zmat,density,-3,wmat); |
1283eee5 | 642 | |
ba1d05f9 | 643 | // SiO2 - used later for the glass fiber |
1283eee5 | 644 | |
37831078 | 645 | amat[0]=28.086; |
646 | amat[1]=15.9994; | |
1283eee5 | 647 | |
37831078 | 648 | zmat[0]=14.; |
649 | zmat[1]=8.; | |
1283eee5 | 650 | |
37831078 | 651 | wmat[0]=1.; |
652 | wmat[1]=2.; | |
1283eee5 | 653 | |
1283eee5 | 654 | |
ba1d05f9 | 655 | AliMixture(38,"SiO2",amat,zmat,2.2,-2,wmat); //SiO2 - quartz (rho=2.2) |
1283eee5 | 656 | |
37831078 | 657 | // Al |
1283eee5 | 658 | |
37831078 | 659 | amat[0] = 26.98; |
660 | zmat[0] = 13.; | |
1283eee5 | 661 | |
37831078 | 662 | density = 2.7; |
1283eee5 | 663 | |
37831078 | 664 | AliMaterial(40,"Al",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 665 | |
37831078 | 666 | // Si |
1283eee5 | 667 | |
37831078 | 668 | amat[0] = 28.086; |
9a3667bd | 669 | zmat[0] = 14.; |
1283eee5 | 670 | |
37831078 | 671 | density = 2.33; |
1283eee5 | 672 | |
37831078 | 673 | AliMaterial(41,"Si",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 674 | |
37831078 | 675 | // Cu |
1283eee5 | 676 | |
37831078 | 677 | amat[0] = 63.546; |
678 | zmat[0] = 29.; | |
1283eee5 | 679 | |
37831078 | 680 | density = 8.96; |
1283eee5 | 681 | |
37831078 | 682 | AliMaterial(42,"Cu",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 683 | |
37831078 | 684 | // Tedlar C2H3F |
1283eee5 | 685 | |
37831078 | 686 | amat[0] = 12.011; |
687 | amat[1] = 1.; | |
688 | amat[2] = 18.998; | |
1283eee5 | 689 | |
37831078 | 690 | zmat[0] = 6.; |
691 | zmat[1] = 1.; | |
692 | zmat[2] = 9.; | |
1283eee5 | 693 | |
37831078 | 694 | wmat[0] = 2.; |
695 | wmat[1] = 3.; | |
696 | wmat[2] = 1.; | |
1283eee5 | 697 | |
37831078 | 698 | density = 1.71; |
1283eee5 | 699 | |
37831078 | 700 | AliMixture(43, "Tedlar",amat,zmat,density,-3,wmat); |
1283eee5 | 701 | |
1283eee5 | 702 | |
37831078 | 703 | // Plexiglas C5H8O2 |
1283eee5 | 704 | |
37831078 | 705 | amat[0]=12.011; |
706 | amat[1]=1.; | |
707 | amat[2]=15.9994; | |
1283eee5 | 708 | |
37831078 | 709 | zmat[0]=6.; |
710 | zmat[1]=1.; | |
711 | zmat[2]=8.; | |
1283eee5 | 712 | |
37831078 | 713 | wmat[0]=5.; |
714 | wmat[1]=8.; | |
715 | wmat[2]=2.; | |
1283eee5 | 716 | |
37831078 | 717 | density=1.18; |
1283eee5 | 718 | |
37831078 | 719 | AliMixture(44,"Plexiglas",amat,zmat,density,-3,wmat); |
1283eee5 | 720 | |
ba1d05f9 | 721 | // Epoxy - C14 H20 O3 |
1283eee5 | 722 | |
5a28a08f | 723 | |
724 | amat[0]=12.011; | |
725 | amat[1]=1.; | |
726 | amat[2]=15.9994; | |
727 | ||
728 | zmat[0]=6.; | |
729 | zmat[1]=1.; | |
730 | zmat[2]=8.; | |
731 | ||
ba1d05f9 | 732 | wmat[0]=14.; |
733 | wmat[1]=20.; | |
5a28a08f | 734 | wmat[2]=3.; |
735 | ||
ba1d05f9 | 736 | density=1.25; |
5a28a08f | 737 | |
738 | AliMixture(45,"Epoxy",amat,zmat,density,-3,wmat); | |
37831078 | 739 | |
ba1d05f9 | 740 | // Carbon |
741 | ||
742 | amat[0]=12.011; | |
743 | zmat[0]=6.; | |
744 | density= 2.265; | |
745 | ||
746 | AliMaterial(46,"C",amat[0],zmat[0],density,999.,999.); | |
747 | ||
748 | // get epoxy | |
749 | ||
750 | gMC->Gfmate((*fIdmate)[45],namate,amat[1],zmat[1],rho,X0,absl,buf,nbuf); | |
751 | ||
752 | // Carbon fiber | |
753 | ||
754 | wmat[0]=0.644; // by weight! | |
755 | wmat[1]=0.356; | |
756 | ||
757 | density=0.5*(1.25+2.265); | |
758 | ||
759 | AliMixture(47,"Cfiber",amat,zmat,density,2,wmat); | |
760 | ||
761 | // get SiO2 | |
762 | ||
763 | gMC->Gfmate((*fIdmate)[38],namate,amat[0],zmat[0],rho,X0,absl,buf,nbuf); | |
764 | ||
765 | wmat[0]=0.725; // by weight! | |
766 | wmat[1]=0.275; | |
767 | ||
768 | density=1.7; | |
769 | ||
770 | AliMixture(39,"G10",amat,zmat,density,2,wmat); | |
771 | ||
772 | ||
773 | ||
774 | ||
37831078 | 775 | //---------------------------------------------------------- |
776 | // tracking media for gases | |
777 | //---------------------------------------------------------- | |
778 | ||
779 | AliMedium(0, "Air", 24, 0, iSXFLD, sXMGMX, 10., 999., .1, .01, .1); | |
780 | AliMedium(1, "Drift gas 1", 31, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
781 | AliMedium(2, "Drift gas 2", 32, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
782 | AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001); | |
783 | ||
784 | //----------------------------------------------------------- | |
785 | // tracking media for solids | |
786 | //----------------------------------------------------------- | |
787 | ||
788 | AliMedium(4,"Al",40,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
789 | AliMedium(5,"Kevlar",34,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
790 | AliMedium(6,"Nomex",35,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
791 | AliMedium(7,"Makrolon",36,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
792 | AliMedium(8,"Mylar",37,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
793 | AliMedium(9,"Tedlar",43,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
794 | AliMedium(10,"Cu",42,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
795 | AliMedium(11,"Si",41,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
796 | AliMedium(12,"G10",39,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
797 | AliMedium(13,"Plexiglas",44,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
5a28a08f | 798 | AliMedium(14,"Epoxy",45,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); |
ba1d05f9 | 799 | AliMedium(15,"Cfiber",47,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); |
1283eee5 | 800 | |
fe4da5cc | 801 | } |
802 | ||
fe4da5cc | 803 | |
afc42102 | 804 | void AliTPC::Digits2Clusters(TFile *of, Int_t eventnumber) |
fe4da5cc | 805 | { |
3c0f9266 | 806 | //----------------------------------------------------------------- |
807 | // This is a simple cluster finder. | |
3c0f9266 | 808 | //----------------------------------------------------------------- |
afc42102 | 809 | AliTPCclusterer::Digits2Clusters(fTPCParam,of,eventnumber); |
fe4da5cc | 810 | } |
811 | ||
73042f01 | 812 | extern Double_t SigmaY2(Double_t, Double_t, Double_t); |
813 | extern Double_t SigmaZ2(Double_t, Double_t); | |
fe4da5cc | 814 | //_____________________________________________________________________________ |
afc42102 | 815 | void AliTPC::Hits2Clusters(TFile *of, Int_t eventn) |
fe4da5cc | 816 | { |
8c555625 | 817 | //-------------------------------------------------------- |
fe4da5cc | 818 | // TPC simple cluster generator from hits |
819 | // obtained from the TPC Fast Simulator | |
8c555625 | 820 | // The point errors are taken from the parametrization |
821 | //-------------------------------------------------------- | |
822 | ||
823 | //----------------------------------------------------------------- | |
824 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
825 | //----------------------------------------------------------------- | |
73042f01 | 826 | // Adopted to Marian's cluster data structure by I.Belikov, CERN, |
827 | // Jouri.Belikov@cern.ch | |
828 | //---------------------------------------------------------------- | |
829 | ||
830 | ///////////////////////////////////////////////////////////////////////////// | |
831 | // | |
832 | //--------------------------------------------------------------------- | |
833 | // ALICE TPC Cluster Parameters | |
834 | //-------------------------------------------------------------------- | |
835 | ||
836 | ||
837 | ||
838 | // Cluster width in rphi | |
839 | const Float_t kACrphi=0.18322; | |
840 | const Float_t kBCrphi=0.59551e-3; | |
841 | const Float_t kCCrphi=0.60952e-1; | |
842 | // Cluster width in z | |
843 | const Float_t kACz=0.19081; | |
844 | const Float_t kBCz=0.55938e-3; | |
845 | const Float_t kCCz=0.30428; | |
846 | ||
847 | TDirectory *savedir=gDirectory; | |
848 | ||
849 | if (!of->IsOpen()) { | |
850 | cerr<<"AliTPC::Hits2Clusters(): output file not open !\n"; | |
851 | return; | |
852 | } | |
3c0f9266 | 853 | |
afc42102 | 854 | //if(fDefaults == 0) SetDefaults(); |
cc80f89e | 855 | |
73042f01 | 856 | Float_t sigmaRphi,sigmaZ,clRphi,clZ; |
fe4da5cc | 857 | // |
1578254f | 858 | TParticle *particle; // pointer to a given particle |
fe4da5cc | 859 | AliTPChit *tpcHit; // pointer to a sigle TPC hit |
39c8eb58 | 860 | Int_t sector; |
fe4da5cc | 861 | Int_t ipart; |
862 | Float_t xyz[5]; | |
863 | Float_t pl,pt,tanth,rpad,ratio; | |
fe4da5cc | 864 | Float_t cph,sph; |
865 | ||
866 | //--------------------------------------------------------------- | |
867 | // Get the access to the tracks | |
868 | //--------------------------------------------------------------- | |
869 | ||
73042f01 | 870 | TTree *tH = gAlice->TreeH(); |
871 | Stat_t ntracks = tH->GetEntries(); | |
73042f01 | 872 | |
873 | //Switch to the output file | |
874 | of->cd(); | |
875 | ||
afc42102 | 876 | char cname[100]; |
877 | ||
878 | sprintf(cname,"TreeC_TPC_%d",eventn); | |
879 | ||
73042f01 | 880 | fTPCParam->Write(fTPCParam->GetTitle()); |
881 | AliTPCClustersArray carray; | |
882 | carray.Setup(fTPCParam); | |
883 | carray.SetClusterType("AliTPCcluster"); | |
884 | carray.MakeTree(); | |
885 | ||
886 | Int_t nclusters=0; //cluster counter | |
fe4da5cc | 887 | |
888 | //------------------------------------------------------------ | |
cc80f89e | 889 | // Loop over all sectors (72 sectors for 20 deg |
890 | // segmentation for both lower and upper sectors) | |
891 | // Sectors 0-35 are lower sectors, 0-17 z>0, 17-35 z<0 | |
3c0f9266 | 892 | // Sectors 36-71 are upper sectors, 36-53 z>0, 54-71 z<0 |
fe4da5cc | 893 | // |
3c0f9266 | 894 | // First cluster for sector 0 starts at "0" |
fe4da5cc | 895 | //------------------------------------------------------------ |
cc80f89e | 896 | |
897 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++){ | |
8c555625 | 898 | //MI change |
cc80f89e | 899 | fTPCParam->AdjustCosSin(isec,cph,sph); |
fe4da5cc | 900 | |
901 | //------------------------------------------------------------ | |
902 | // Loop over tracks | |
903 | //------------------------------------------------------------ | |
904 | ||
905 | for(Int_t track=0;track<ntracks;track++){ | |
906 | ResetHits(); | |
73042f01 | 907 | tH->GetEvent(track); |
fe4da5cc | 908 | // |
73042f01 | 909 | // Get number of the TPC hits |
fe4da5cc | 910 | // |
39c8eb58 | 911 | // nhits=fHits->GetEntriesFast(); |
fe4da5cc | 912 | // |
39c8eb58 | 913 | |
914 | tpcHit = (AliTPChit*)FirstHit(-1); | |
915 | ||
fe4da5cc | 916 | // Loop over hits |
917 | // | |
39c8eb58 | 918 | // for(Int_t hit=0;hit<nhits;hit++){ |
919 | //tpcHit=(AliTPChit*)fHits->UncheckedAt(hit); | |
920 | ||
921 | while(tpcHit){ | |
922 | ||
923 | if (tpcHit->fQ == 0.) { | |
924 | tpcHit = (AliTPChit*) NextHit(); | |
925 | continue; //information about track (I.Belikov) | |
926 | } | |
fe4da5cc | 927 | sector=tpcHit->fSector; // sector number |
39c8eb58 | 928 | |
929 | ||
930 | // if(sector != isec) continue; //terminate iteration | |
931 | ||
932 | if(sector != isec){ | |
933 | tpcHit = (AliTPChit*) NextHit(); | |
934 | continue; | |
935 | } | |
94de3818 | 936 | ipart=tpcHit->Track(); |
2ab0c725 | 937 | particle=gAlice->Particle(ipart); |
1578254f | 938 | pl=particle->Pz(); |
939 | pt=particle->Pt(); | |
fe4da5cc | 940 | if(pt < 1.e-9) pt=1.e-9; |
941 | tanth=pl/pt; | |
942 | tanth = TMath::Abs(tanth); | |
94de3818 | 943 | rpad=TMath::Sqrt(tpcHit->X()*tpcHit->X() + tpcHit->Y()*tpcHit->Y()); |
fe4da5cc | 944 | ratio=0.001*rpad/pt; // pt must be in MeV/c - historical reason |
73042f01 | 945 | |
fe4da5cc | 946 | // space-point resolutions |
947 | ||
73042f01 | 948 | sigmaRphi=SigmaY2(rpad,tanth,pt); |
949 | sigmaZ =SigmaZ2(rpad,tanth ); | |
fe4da5cc | 950 | |
951 | // cluster widths | |
952 | ||
73042f01 | 953 | clRphi=kACrphi-kBCrphi*rpad*tanth+kCCrphi*ratio*ratio; |
954 | clZ=kACz-kBCz*rpad*tanth+kCCz*tanth*tanth; | |
fe4da5cc | 955 | |
956 | // temporary protection | |
957 | ||
73042f01 | 958 | if(sigmaRphi < 0.) sigmaRphi=0.4e-3; |
959 | if(sigmaZ < 0.) sigmaZ=0.4e-3; | |
960 | if(clRphi < 0.) clRphi=2.5e-3; | |
961 | if(clZ < 0.) clZ=2.5e-5; | |
fe4da5cc | 962 | |
963 | // | |
cc80f89e | 964 | |
965 | // | |
966 | // smearing --> rotate to the 1 (13) or to the 25 (49) sector, | |
fe4da5cc | 967 | // then the inaccuracy in a X-Y plane is only along Y (pad row)! |
968 | // | |
94de3818 | 969 | Float_t xprim= tpcHit->X()*cph + tpcHit->Y()*sph; |
970 | Float_t yprim=-tpcHit->X()*sph + tpcHit->Y()*cph; | |
73042f01 | 971 | xyz[0]=gRandom->Gaus(yprim,TMath::Sqrt(sigmaRphi)); // y |
972 | Float_t alpha=(isec < fTPCParam->GetNInnerSector()) ? | |
973 | fTPCParam->GetInnerAngle() : fTPCParam->GetOuterAngle(); | |
974 | Float_t ymax=xprim*TMath::Tan(0.5*alpha); | |
975 | if (TMath::Abs(xyz[0])>ymax) xyz[0]=yprim; | |
94de3818 | 976 | xyz[1]=gRandom->Gaus(tpcHit->Z(),TMath::Sqrt(sigmaZ)); // z |
977 | if (TMath::Abs(xyz[1])>fTPCParam->GetZLength()) xyz[1]=tpcHit->Z(); | |
39c8eb58 | 978 | xyz[2]=sigmaRphi; // fSigmaY2 |
979 | xyz[3]=sigmaZ; // fSigmaZ2 | |
980 | xyz[4]=tpcHit->fQ; // q | |
73042f01 | 981 | |
982 | AliTPCClustersRow *clrow=carray.GetRow(sector,tpcHit->fPadRow); | |
983 | if (!clrow) clrow=carray.CreateRow(sector,tpcHit->fPadRow); | |
984 | ||
94de3818 | 985 | Int_t tracks[3]={tpcHit->Track(), -1, -1}; |
39c8eb58 | 986 | AliTPCcluster cluster(tracks,xyz); |
73042f01 | 987 | |
988 | clrow->InsertCluster(&cluster); nclusters++; | |
989 | ||
39c8eb58 | 990 | tpcHit = (AliTPChit*)NextHit(); |
991 | ||
992 | ||
fe4da5cc | 993 | } // end of loop over hits |
73042f01 | 994 | |
995 | } // end of loop over tracks | |
996 | ||
997 | Int_t nrows=fTPCParam->GetNRow(isec); | |
998 | for (Int_t irow=0; irow<nrows; irow++) { | |
999 | AliTPCClustersRow *clrow=carray.GetRow(isec,irow); | |
1000 | if (!clrow) continue; | |
1001 | carray.StoreRow(isec,irow); | |
1002 | carray.ClearRow(isec,irow); | |
1003 | } | |
1004 | ||
cc80f89e | 1005 | } // end of loop over sectors |
73042f01 | 1006 | |
1007 | cerr<<"Number of made clusters : "<<nclusters<<" \n"; | |
1008 | ||
6bc3458d | 1009 | carray.GetTree()->SetName(cname); |
1010 | carray.GetTree()->Write(); | |
73042f01 | 1011 | |
1012 | savedir->cd(); //switch back to the input file | |
cc80f89e | 1013 | |
1014 | } // end of function | |
1015 | ||
1016 | //_________________________________________________________________ | |
1017 | void AliTPC::Hits2ExactClustersSector(Int_t isec) | |
1018 | { | |
1019 | //-------------------------------------------------------- | |
1020 | //calculate exact cross point of track and given pad row | |
1021 | //resulting values are expressed in "digit" coordinata | |
1022 | //-------------------------------------------------------- | |
1023 | ||
1024 | //----------------------------------------------------------------- | |
1025 | // Origin: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de | |
1026 | //----------------------------------------------------------------- | |
1027 | // | |
1028 | if (fClustersArray==0){ | |
1029 | return; | |
1030 | } | |
1031 | // | |
1032 | TParticle *particle; // pointer to a given particle | |
1033 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
cc80f89e | 1034 | Int_t sector,nhits; |
1035 | Int_t ipart; | |
73042f01 | 1036 | const Int_t kcmaxhits=30000; |
1037 | TVector * xxxx = new TVector(kcmaxhits*4); | |
cc80f89e | 1038 | TVector & xxx = *xxxx; |
73042f01 | 1039 | Int_t maxhits = kcmaxhits; |
cc80f89e | 1040 | //construct array for each padrow |
1041 | for (Int_t i=0; i<fTPCParam->GetNRow(isec);i++) | |
1042 | fClustersArray->CreateRow(isec,i); | |
fe4da5cc | 1043 | |
cc80f89e | 1044 | //--------------------------------------------------------------- |
1045 | // Get the access to the tracks | |
1046 | //--------------------------------------------------------------- | |
1047 | ||
73042f01 | 1048 | TTree *tH = gAlice->TreeH(); |
1049 | Stat_t ntracks = tH->GetEntries(); | |
2ab0c725 | 1050 | Int_t npart = gAlice->GetNtrack(); |
cc80f89e | 1051 | |
1052 | //------------------------------------------------------------ | |
1053 | // Loop over tracks | |
1054 | //------------------------------------------------------------ | |
fe4da5cc | 1055 | |
cc80f89e | 1056 | for(Int_t track=0;track<ntracks;track++){ |
1057 | ResetHits(); | |
73042f01 | 1058 | tH->GetEvent(track); |
cc80f89e | 1059 | // |
1060 | // Get number of the TPC hits and a pointer | |
1061 | // to the particles | |
1062 | // | |
1063 | nhits=fHits->GetEntriesFast(); | |
1064 | // | |
1065 | // Loop over hits | |
1066 | // | |
1067 | Int_t currentIndex=0; | |
1068 | Int_t lastrow=-1; //last writen row | |
1069 | for(Int_t hit=0;hit<nhits;hit++){ | |
1070 | tpcHit=(AliTPChit*)fHits->UncheckedAt(hit); | |
1071 | if (tpcHit==0) continue; | |
1072 | sector=tpcHit->fSector; // sector number | |
1073 | if(sector != isec) continue; | |
94de3818 | 1074 | ipart=tpcHit->Track(); |
2ab0c725 | 1075 | if (ipart<npart) particle=gAlice->Particle(ipart); |
cc80f89e | 1076 | |
1077 | //find row number | |
1078 | ||
94de3818 | 1079 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; |
cc80f89e | 1080 | Int_t index[3]={1,isec,0}; |
1081 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
1082 | if (currentrow<0) continue; | |
1083 | if (lastrow<0) lastrow=currentrow; | |
1084 | if (currentrow==lastrow){ | |
1085 | if ( currentIndex>=maxhits){ | |
73042f01 | 1086 | maxhits+=kcmaxhits; |
cc80f89e | 1087 | xxx.ResizeTo(4*maxhits); |
1088 | } | |
1089 | xxx(currentIndex*4)=x[0]; | |
1090 | xxx(currentIndex*4+1)=x[1]; | |
1091 | xxx(currentIndex*4+2)=x[2]; | |
1092 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
1093 | currentIndex++; | |
1094 | } | |
1095 | else | |
1096 | if (currentIndex>2){ | |
1097 | Float_t sumx=0; | |
1098 | Float_t sumx2=0; | |
1099 | Float_t sumx3=0; | |
1100 | Float_t sumx4=0; | |
1101 | Float_t sumy=0; | |
1102 | Float_t sumxy=0; | |
1103 | Float_t sumx2y=0; | |
1104 | Float_t sumz=0; | |
1105 | Float_t sumxz=0; | |
1106 | Float_t sumx2z=0; | |
1107 | Float_t sumq=0; | |
1108 | for (Int_t index=0;index<currentIndex;index++){ | |
1109 | Float_t x,x2,x3,x4; | |
1110 | x=x2=x3=x4=xxx(index*4); | |
1111 | x2*=x; | |
1112 | x3*=x2; | |
1113 | x4*=x3; | |
1114 | sumx+=x; | |
1115 | sumx2+=x2; | |
1116 | sumx3+=x3; | |
1117 | sumx4+=x4; | |
1118 | sumy+=xxx(index*4+1); | |
1119 | sumxy+=xxx(index*4+1)*x; | |
1120 | sumx2y+=xxx(index*4+1)*x2; | |
1121 | sumz+=xxx(index*4+2); | |
1122 | sumxz+=xxx(index*4+2)*x; | |
1123 | sumx2z+=xxx(index*4+2)*x2; | |
1124 | sumq+=xxx(index*4+3); | |
1125 | } | |
73042f01 | 1126 | Float_t centralPad = (fTPCParam->GetNPads(isec,lastrow)-1)/2; |
cc80f89e | 1127 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ |
1128 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
1129 | ||
1130 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
1131 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
1132 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
1133 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
1134 | ||
1135 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
1136 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
1137 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
1138 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
1139 | ||
73042f01 | 1140 | Float_t y=detay/det+centralPad; |
cc80f89e | 1141 | Float_t z=detaz/det; |
1142 | Float_t by=detby/det; //y angle | |
1143 | Float_t bz=detbz/det; //z angle | |
1144 | sumy/=Float_t(currentIndex); | |
1145 | sumz/=Float_t(currentIndex); | |
2b06d5c3 | 1146 | AliComplexCluster cl; |
cc80f89e | 1147 | cl.fX=z; |
1148 | cl.fY=y; | |
1149 | cl.fQ=sumq; | |
1150 | cl.fSigmaX2=bz; | |
1151 | cl.fSigmaY2=by; | |
1152 | cl.fTracks[0]=ipart; | |
1153 | ||
1154 | AliTPCClustersRow * row = (fClustersArray->GetRow(isec,lastrow)); | |
1155 | if (row!=0) row->InsertCluster(&cl); | |
1156 | currentIndex=0; | |
1157 | lastrow=currentrow; | |
1158 | } //end of calculating cluster for given row | |
1159 | ||
1160 | ||
1161 | ||
1162 | } // end of loop over hits | |
1163 | } // end of loop over tracks | |
1164 | //write padrows to tree | |
1165 | for (Int_t ii=0; ii<fTPCParam->GetNRow(isec);ii++) { | |
1166 | fClustersArray->StoreRow(isec,ii); | |
1167 | fClustersArray->ClearRow(isec,ii); | |
1168 | } | |
1169 | xxxx->Delete(); | |
1170 | ||
fe4da5cc | 1171 | } |
0a61bf9d | 1172 | |
1173 | ||
1174 | ||
1175 | //__ | |
1176 | void AliTPC::SDigits2Digits2(Int_t eventnumber) | |
1177 | { | |
1178 | //create digits from summable digits | |
1179 | ||
1180 | char sname[100]; | |
1181 | char dname[100]; | |
1182 | sprintf(sname,"TreeS_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1183 | sprintf(dname,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1184 | ||
1185 | //conect tree with sSDigits | |
1186 | TTree *t = (TTree *)gDirectory->Get(sname); | |
1187 | AliSimDigits digarr, *dummy=&digarr; | |
1188 | t->GetBranch("Segment")->SetAddress(&dummy); | |
1189 | Stat_t nentries = t->GetEntries(); | |
1190 | ||
1191 | //make tree with digits | |
1192 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; | |
1193 | arr->SetClass("AliSimDigits"); | |
1194 | arr->Setup(fTPCParam); | |
1195 | arr->MakeTree(fDigitsFile); | |
1196 | ||
1197 | AliTPCParam * par =fTPCParam; | |
1198 | //Loop over segments of the TPC | |
1199 | for (Int_t n=0; n<nentries; n++) { | |
1200 | t->GetEvent(n); | |
1201 | Int_t sec, row; | |
1202 | if (!par->AdjustSectorRow(digarr.GetID(),sec,row)) { | |
1203 | cerr<<"AliTPC warning: invalid segment ID ! "<<digarr.GetID()<<endl; | |
1204 | continue; | |
1205 | } | |
1206 | AliSimDigits * digrow =(AliSimDigits*) arr->CreateRow(sec,row); | |
1207 | Int_t nrows = digrow->GetNRows(); | |
1208 | Int_t ncols = digrow->GetNCols(); | |
1209 | ||
1210 | digrow->ExpandBuffer(); | |
1211 | digarr.ExpandBuffer(); | |
1212 | digrow->ExpandTrackBuffer(); | |
1213 | digarr.ExpandTrackBuffer(); | |
1214 | ||
43272665 | 1215 | for (row=0;row<nrows; row++) |
0a61bf9d | 1216 | for (Int_t col=0;col<ncols; col++){ |
1217 | Float_t q = digarr.GetDigitFast(row,col); | |
1218 | q/=16; //konversion faktor | |
1219 | //add noise | |
1220 | q = gRandom->Gaus(q,fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac()); | |
1221 | if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); | |
1222 | if (q>3){ | |
1223 | digrow->SetDigitFast((Short_t)q,row,col); | |
1224 | for (Int_t tr=0;tr<3;tr++) | |
1225 | ((AliSimDigits*)digrow)->SetTrackIDFast(digarr.GetTrackIDFast(row,col,tr),row,col,tr); | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | ||
1230 | ||
1231 | ||
1232 | arr->StoreRow(sec,row); | |
1233 | // printf("*** Sector, row, compressed digits %d %d %d ***\n",sec,row,ndig); | |
1234 | arr->ClearRow(sec,row); | |
1235 | ||
1236 | ||
1237 | } | |
1238 | ||
1239 | ||
1240 | cerr<<"Digitizing TPC...\n"; | |
1241 | ||
1242 | //Hits2Digits(eventnumber); | |
1243 | ||
1244 | ||
1245 | //write results | |
1246 | ||
1247 | // char treeName[100]; | |
1248 | ||
1249 | // sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1250 | ||
6bc3458d | 1251 | arr->GetTree()->SetName(dname); |
1252 | arr->GetTree()->Write(); | |
0a61bf9d | 1253 | delete arr; |
1254 | } | |
1255 | ||
1256 | ||
1257 | /*_________________________________________ | |
afc42102 | 1258 | void AliTPC::SDigits2Digits(Int_t eventnumber) |
2ab0c725 | 1259 | { |
afc42102 | 1260 | |
1261 | ||
1262 | cerr<<"Digitizing TPC...\n"; | |
1263 | ||
1264 | Hits2Digits(eventnumber); | |
1265 | ||
1266 | ||
1267 | //write results | |
1268 | ||
1269 | // char treeName[100]; | |
1270 | ||
1271 | // sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1272 | ||
1273 | // GetDigitsArray()->GetTree()->Write(treeName); | |
1274 | } | |
0a61bf9d | 1275 | */ |
afc42102 | 1276 | //__________________________________________________________________ |
1277 | void AliTPC::SetDefaults(){ | |
1278 | ||
1279 | ||
1280 | cerr<<"Setting default parameters...\n"; | |
1281 | ||
1282 | // Set response functions | |
1283 | ||
2ab0c725 | 1284 | AliTPCParamSR *param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60"); |
1285 | AliTPCPRF2D * prfinner = new AliTPCPRF2D; | |
1286 | AliTPCPRF2D * prfouter = new AliTPCPRF2D; | |
1287 | AliTPCRF1D * rf = new AliTPCRF1D(kTRUE); | |
2ab0c725 | 1288 | rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.); |
1289 | rf->SetOffset(3*param->GetZSigma()); | |
1290 | rf->Update(); | |
afc42102 | 1291 | |
1292 | TDirectory *savedir=gDirectory; | |
2ab0c725 | 1293 | TFile *f=TFile::Open("$ALICE_ROOT/TPC/AliTPCprf2d.root"); |
1294 | if (!f->IsOpen()) { | |
afc42102 | 1295 | cerr<<"Can't open $ALICE_ROOT/TPC/AliTPCprf2d.root !\n" ; |
2ab0c725 | 1296 | exit(3); |
1297 | } | |
1298 | prfinner->Read("prf_07504_Gati_056068_d02"); | |
1299 | prfouter->Read("prf_10006_Gati_047051_d03"); | |
1300 | f->Close(); | |
afc42102 | 1301 | savedir->cd(); |
1302 | ||
2ab0c725 | 1303 | param->SetInnerPRF(prfinner); |
1304 | param->SetOuterPRF(prfouter); | |
1305 | param->SetTimeRF(rf); | |
1306 | ||
afc42102 | 1307 | // set fTPCParam |
1308 | ||
2ab0c725 | 1309 | SetParam(param); |
1310 | ||
afc42102 | 1311 | |
1312 | fDefaults = 1; | |
1313 | ||
1314 | } | |
1315 | //__________________________________________________________________ | |
1316 | void AliTPC::Hits2Digits(Int_t eventnumber) | |
1317 | { | |
1318 | //---------------------------------------------------- | |
1319 | // Loop over all sectors for a single event | |
1320 | //---------------------------------------------------- | |
1321 | ||
1322 | ||
1323 | if(fDefaults == 0) SetDefaults(); // check if the parameters are set | |
2ab0c725 | 1324 | |
1325 | //setup TPCDigitsArray | |
afc42102 | 1326 | |
1327 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1328 | ||
2ab0c725 | 1329 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1330 | arr->SetClass("AliSimDigits"); | |
afc42102 | 1331 | arr->Setup(fTPCParam); |
2ab0c725 | 1332 | arr->MakeTree(fDigitsFile); |
2ab0c725 | 1333 | SetDigitsArray(arr); |
1334 | ||
afc42102 | 1335 | fDigitsSwitch=0; // standard digits |
2ab0c725 | 1336 | |
afc42102 | 1337 | cerr<<"Digitizing TPC...\n"; |
fe4da5cc | 1338 | |
afc42102 | 1339 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) Hits2DigitsSector(isec); |
cc80f89e | 1340 | |
afc42102 | 1341 | // write results |
1342 | ||
1343 | char treeName[100]; | |
1344 | ||
1345 | sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
f8cf550c | 1346 | |
6bc3458d | 1347 | GetDigitsArray()->GetTree()->SetName(treeName); |
1348 | GetDigitsArray()->GetTree()->Write(); | |
cc80f89e | 1349 | |
cc80f89e | 1350 | |
8c555625 | 1351 | } |
1352 | ||
afc42102 | 1353 | |
1354 | ||
f8cf550c | 1355 | //__________________________________________________________________ |
0a61bf9d | 1356 | void AliTPC::Hits2SDigits2(Int_t eventnumber) |
f8cf550c | 1357 | { |
1358 | ||
1359 | //----------------------------------------------------------- | |
1360 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1361 | //----------------------------------------------------------- | |
1362 | ||
1363 | //---------------------------------------------------- | |
afc42102 | 1364 | // Loop over all sectors for a single event |
f8cf550c | 1365 | //---------------------------------------------------- |
1366 | ||
afc42102 | 1367 | |
1368 | if(fDefaults == 0) SetDefaults(); | |
1369 | ||
1370 | //setup TPCDigitsArray | |
1371 | ||
1372 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1373 | ||
1374 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; | |
1375 | arr->SetClass("AliSimDigits"); | |
1376 | arr->Setup(fTPCParam); | |
1377 | arr->MakeTree(fDigitsFile); | |
1378 | SetDigitsArray(arr); | |
1379 | ||
1380 | cerr<<"Digitizing TPC...\n"; | |
1381 | ||
1382 | fDigitsSwitch=1; // summable digits | |
f8cf550c | 1383 | |
1384 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) Hits2DigitsSector(isec); | |
1385 | ||
afc42102 | 1386 | |
1387 | // write results | |
1388 | ||
1389 | char treeName[100]; | |
1390 | ||
1391 | sprintf(treeName,"TreeS_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1392 | ||
6bc3458d | 1393 | GetDigitsArray()->GetTree()->SetName(treeName); |
1394 | GetDigitsArray()->GetTree()->Write(); | |
afc42102 | 1395 | |
f8cf550c | 1396 | } |
8c555625 | 1397 | |
afc42102 | 1398 | |
1399 | ||
0a61bf9d | 1400 | //__________________________________________________________________ |
1401 | void AliTPC::Hits2SDigits() | |
1402 | { | |
1403 | ||
1404 | //----------------------------------------------------------- | |
1405 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1406 | //----------------------------------------------------------- | |
1407 | ||
1408 | //---------------------------------------------------- | |
1409 | // Loop over all sectors for a single event | |
1410 | //---------------------------------------------------- | |
1411 | //MI change - for pp run | |
1412 | Int_t eventnumber = gAlice->GetEvNumber(); | |
1413 | ||
1414 | if(fDefaults == 0) SetDefaults(); | |
1415 | ||
1416 | //setup TPCDigitsArray | |
1417 | ||
1418 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1419 | ||
1420 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; | |
1421 | arr->SetClass("AliSimDigits"); | |
1422 | arr->Setup(fTPCParam); | |
1423 | arr->MakeTree(fDigitsFile); | |
1424 | SetDigitsArray(arr); | |
1425 | ||
1426 | cerr<<"Digitizing TPC...\n"; | |
1427 | ||
1428 | // fDigitsSwitch=1; // summable digits -for the moment direct | |
1429 | ||
1430 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) Hits2DigitsSector(isec); | |
1431 | ||
1432 | ||
1433 | // write results | |
1434 | char treeName[100]; | |
1435 | ||
1436 | sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1437 | ||
6bc3458d | 1438 | GetDigitsArray()->GetTree()->SetName(treeName); |
1439 | GetDigitsArray()->GetTree()->Write(); | |
0a61bf9d | 1440 | |
1441 | } | |
1442 | ||
1443 | ||
fe4da5cc | 1444 | //_____________________________________________________________________________ |
8c555625 | 1445 | void AliTPC::Hits2DigitsSector(Int_t isec) |
fe4da5cc | 1446 | { |
8c555625 | 1447 | //------------------------------------------------------------------- |
fe4da5cc | 1448 | // TPC conversion from hits to digits. |
8c555625 | 1449 | //------------------------------------------------------------------- |
1450 | ||
1451 | //----------------------------------------------------------------- | |
1452 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1453 | //----------------------------------------------------------------- | |
1454 | ||
fe4da5cc | 1455 | //------------------------------------------------------- |
8c555625 | 1456 | // Get the access to the track hits |
fe4da5cc | 1457 | //------------------------------------------------------- |
8c555625 | 1458 | |
afc42102 | 1459 | // check if the parameters are set - important if one calls this method |
1460 | // directly, not from the Hits2Digits | |
1461 | ||
1462 | if(fDefaults == 0) SetDefaults(); | |
cc80f89e | 1463 | |
73042f01 | 1464 | TTree *tH = gAlice->TreeH(); // pointer to the hits tree |
1465 | Stat_t ntracks = tH->GetEntries(); | |
8c555625 | 1466 | |
1467 | if( ntracks > 0){ | |
1468 | ||
1469 | //------------------------------------------- | |
1470 | // Only if there are any tracks... | |
1471 | //------------------------------------------- | |
1472 | ||
8c555625 | 1473 | TObjArray **row; |
fe4da5cc | 1474 | |
a62d28a2 | 1475 | //printf("*** Processing sector number %d ***\n",isec); |
8c555625 | 1476 | |
1477 | Int_t nrows =fTPCParam->GetNRow(isec); | |
1478 | ||
1479 | row= new TObjArray* [nrows]; | |
fe4da5cc | 1480 | |
73042f01 | 1481 | MakeSector(isec,nrows,tH,ntracks,row); |
8c555625 | 1482 | |
1483 | //-------------------------------------------------------- | |
1484 | // Digitize this sector, row by row | |
1485 | // row[i] is the pointer to the TObjArray of TVectors, | |
1486 | // each one containing electrons accepted on this | |
1487 | // row, assigned into tracks | |
1488 | //-------------------------------------------------------- | |
1489 | ||
1490 | Int_t i; | |
1491 | ||
2ab0c725 | 1492 | if (fDigitsArray->GetTree()==0) fDigitsArray->MakeTree(fDigitsFile); |
8c555625 | 1493 | |
cc80f89e | 1494 | for (i=0;i<nrows;i++){ |
8c555625 | 1495 | |
afc42102 | 1496 | AliDigits * dig = fDigitsArray->CreateRow(isec,i); |
8c555625 | 1497 | |
cc80f89e | 1498 | DigitizeRow(i,isec,row); |
8c555625 | 1499 | |
cc80f89e | 1500 | fDigitsArray->StoreRow(isec,i); |
8c555625 | 1501 | |
9e1a0ddb | 1502 | Int_t ndig = dig->GetDigitSize(); |
5a28a08f | 1503 | |
cc80f89e | 1504 | |
a62d28a2 | 1505 | //printf("*** Sector, row, compressed digits %d %d %d ***\n",isec,i,ndig); |
cc80f89e | 1506 | |
1507 | fDigitsArray->ClearRow(isec,i); | |
8c555625 | 1508 | |
cc80f89e | 1509 | |
8c555625 | 1510 | } // end of the sector digitization |
8c555625 | 1511 | |
cc80f89e | 1512 | for(i=0;i<nrows;i++){ |
39c8eb58 | 1513 | row[i]->Delete(); |
1514 | delete row[i]; | |
cc80f89e | 1515 | } |
1516 | ||
8c555625 | 1517 | delete [] row; // delete the array of pointers to TObjArray-s |
1518 | ||
1519 | } // ntracks >0 | |
8c555625 | 1520 | |
cc80f89e | 1521 | } // end of Hits2DigitsSector |
8c555625 | 1522 | |
8c555625 | 1523 | |
8c555625 | 1524 | //_____________________________________________________________________________ |
cc80f89e | 1525 | void AliTPC::DigitizeRow(Int_t irow,Int_t isec,TObjArray **rows) |
8c555625 | 1526 | { |
1527 | //----------------------------------------------------------- | |
1528 | // Single row digitization, coupling from the neighbouring | |
1529 | // rows taken into account | |
1530 | //----------------------------------------------------------- | |
1531 | ||
1532 | //----------------------------------------------------------------- | |
1533 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1534 | // Modified: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de |
8c555625 | 1535 | //----------------------------------------------------------------- |
1536 | ||
1537 | ||
8c555625 | 1538 | Float_t zerosup = fTPCParam->GetZeroSup(); |
1539 | Int_t nrows =fTPCParam->GetNRow(isec); | |
cc80f89e | 1540 | fCurrentIndex[1]= isec; |
8c555625 | 1541 | |
8c555625 | 1542 | |
73042f01 | 1543 | Int_t nofPads = fTPCParam->GetNPads(isec,irow); |
1544 | Int_t nofTbins = fTPCParam->GetMaxTBin(); | |
1545 | Int_t indexRange[4]; | |
8c555625 | 1546 | // |
1547 | // Integrated signal for this row | |
1548 | // and a single track signal | |
cc80f89e | 1549 | // |
73042f01 | 1550 | TMatrix *m1 = new TMatrix(0,nofPads,0,nofTbins); // integrated |
1551 | TMatrix *m2 = new TMatrix(0,nofPads,0,nofTbins); // single | |
8c555625 | 1552 | // |
73042f01 | 1553 | TMatrix &total = *m1; |
8c555625 | 1554 | |
1555 | // Array of pointers to the label-signal list | |
1556 | ||
73042f01 | 1557 | Int_t nofDigits = nofPads*nofTbins; // number of digits for this row |
1558 | Float_t **pList = new Float_t* [nofDigits]; | |
8c555625 | 1559 | |
1560 | Int_t lp; | |
cc80f89e | 1561 | Int_t i1; |
73042f01 | 1562 | for(lp=0;lp<nofDigits;lp++)pList[lp]=0; // set all pointers to NULL |
8c555625 | 1563 | // |
cc80f89e | 1564 | //calculate signal |
1565 | // | |
1566 | Int_t row1 = TMath::Max(irow-fTPCParam->GetNCrossRows(),0); | |
1567 | Int_t row2 = TMath::Min(irow+fTPCParam->GetNCrossRows(),nrows-1); | |
1568 | for (Int_t row= row1;row<=row2;row++){ | |
1569 | Int_t nTracks= rows[row]->GetEntries(); | |
1570 | for (i1=0;i1<nTracks;i1++){ | |
1571 | fCurrentIndex[2]= row; | |
1572 | fCurrentIndex[3]=irow; | |
1573 | if (row==irow){ | |
1574 | m2->Zero(); // clear single track signal matrix | |
73042f01 | 1575 | Float_t trackLabel = GetSignal(rows[row],i1,m2,m1,indexRange); |
1576 | GetList(trackLabel,nofPads,m2,indexRange,pList); | |
cc80f89e | 1577 | } |
73042f01 | 1578 | else GetSignal(rows[row],i1,0,m1,indexRange); |
cc80f89e | 1579 | } |
8c555625 | 1580 | } |
cc80f89e | 1581 | |
8c555625 | 1582 | Int_t tracks[3]; |
8c555625 | 1583 | |
cc80f89e | 1584 | AliDigits *dig = fDigitsArray->GetRow(isec,irow); |
73042f01 | 1585 | for(Int_t ip=0;ip<nofPads;ip++){ |
1586 | for(Int_t it=0;it<nofTbins;it++){ | |
8c555625 | 1587 | |
73042f01 | 1588 | Float_t q = total(ip,it); |
8c555625 | 1589 | |
73042f01 | 1590 | Int_t gi =it*nofPads+ip; // global index |
8c555625 | 1591 | |
f8cf550c | 1592 | if(fDigitsSwitch == 0){ |
1593 | ||
1594 | q = gRandom->Gaus(q,fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac()); | |
1595 | ||
1596 | q = (Int_t)q; | |
8c555625 | 1597 | |
f8cf550c | 1598 | if(q <=zerosup) continue; // do not fill zeros |
1599 | if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation | |
cc80f89e | 1600 | |
f8cf550c | 1601 | } |
1602 | ||
1603 | else { | |
1604 | q *= 16.; | |
1605 | q = (Int_t)q; | |
1606 | } | |
8c555625 | 1607 | |
1608 | // | |
1609 | // "real" signal or electronic noise (list = -1)? | |
1610 | // | |
1611 | ||
1612 | for(Int_t j1=0;j1<3;j1++){ | |
1613 | tracks[j1] = (pList[gi]) ?(Int_t)(*(pList[gi]+j1)) : -1; | |
1614 | } | |
1615 | ||
cc80f89e | 1616 | //Begin_Html |
1617 | /* | |
1618 | <A NAME="AliDigits"></A> | |
1619 | using of AliDigits object | |
1620 | */ | |
1621 | //End_Html | |
1622 | dig->SetDigitFast((Short_t)q,it,ip); | |
1623 | if (fDigitsArray->IsSimulated()) | |
1624 | { | |
1625 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[0],it,ip,0); | |
1626 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[1],it,ip,1); | |
1627 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[2],it,ip,2); | |
1628 | } | |
1629 | ||
8c555625 | 1630 | |
1631 | } // end of loop over time buckets | |
1632 | } // end of lop over pads | |
1633 | ||
1634 | // | |
1635 | // This row has been digitized, delete nonused stuff | |
1636 | // | |
1637 | ||
73042f01 | 1638 | for(lp=0;lp<nofDigits;lp++){ |
8c555625 | 1639 | if(pList[lp]) delete [] pList[lp]; |
1640 | } | |
1641 | ||
1642 | delete [] pList; | |
1643 | ||
1644 | delete m1; | |
1645 | delete m2; | |
cc80f89e | 1646 | // delete m3; |
8c555625 | 1647 | |
1648 | } // end of DigitizeRow | |
cc80f89e | 1649 | |
8c555625 | 1650 | //_____________________________________________________________________________ |
cc80f89e | 1651 | |
1652 | Float_t AliTPC::GetSignal(TObjArray *p1, Int_t ntr, TMatrix *m1, TMatrix *m2, | |
73042f01 | 1653 | Int_t *indexRange) |
8c555625 | 1654 | { |
1655 | ||
1656 | //--------------------------------------------------------------- | |
1657 | // Calculates 2-D signal (pad,time) for a single track, | |
1658 | // returns a pointer to the signal matrix and the track label | |
1659 | // No digitization is performed at this level!!! | |
1660 | //--------------------------------------------------------------- | |
1661 | ||
1662 | //----------------------------------------------------------------- | |
1663 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1664 | // Modified: Marian Ivanov |
8c555625 | 1665 | //----------------------------------------------------------------- |
1666 | ||
1667 | TVector *tv; | |
8c555625 | 1668 | |
8c555625 | 1669 | tv = (TVector*)p1->At(ntr); // pointer to a track |
1670 | TVector &v = *tv; | |
1671 | ||
1672 | Float_t label = v(0); | |
73042f01 | 1673 | Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3])-1)/2; |
8c555625 | 1674 | |
8c555625 | 1675 | Int_t nElectrons = (tv->GetNrows()-1)/4; |
73042f01 | 1676 | indexRange[0]=9999; // min pad |
1677 | indexRange[1]=-1; // max pad | |
1678 | indexRange[2]=9999; //min time | |
1679 | indexRange[3]=-1; // max time | |
8c555625 | 1680 | |
cc80f89e | 1681 | // Float_t IneffFactor = 0.5; // inefficiency in the gain close to the edge, as above |
1682 | ||
1683 | TMatrix &signal = *m1; | |
1684 | TMatrix &total = *m2; | |
8c555625 | 1685 | // |
1686 | // Loop over all electrons | |
1687 | // | |
8c555625 | 1688 | for(Int_t nel=0; nel<nElectrons; nel++){ |
cc80f89e | 1689 | Int_t idx=nel*4; |
1690 | Float_t aval = v(idx+4); | |
1691 | Float_t eltoadcfac=aval*fTPCParam->GetTotalNormFac(); | |
1692 | Float_t xyz[3]={v(idx+1),v(idx+2),v(idx+3)}; | |
1693 | Int_t n = fTPCParam->CalcResponse(xyz,fCurrentIndex,fCurrentIndex[3]); | |
8c555625 | 1694 | |
cc80f89e | 1695 | if (n>0) for (Int_t i =0; i<n; i++){ |
1696 | Int_t *index = fTPCParam->GetResBin(i); | |
73042f01 | 1697 | Int_t pad=index[1]+centralPad; //in digit coordinates central pad has coordinate 0 |
cc80f89e | 1698 | if ( ( pad<(fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]))) && (pad>0)) { |
1699 | Int_t time=index[2]; | |
1700 | Float_t weight = fTPCParam->GetResWeight(i); //we normalise response to ADC channel | |
1701 | weight *= eltoadcfac; | |
1702 | ||
1703 | if (m1!=0) signal(pad,time)+=weight; | |
1704 | total(pad,time)+=weight; | |
73042f01 | 1705 | indexRange[0]=TMath::Min(indexRange[0],pad); |
1706 | indexRange[1]=TMath::Max(indexRange[1],pad); | |
1707 | indexRange[2]=TMath::Min(indexRange[2],time); | |
1708 | indexRange[3]=TMath::Max(indexRange[3],time); | |
cc80f89e | 1709 | } |
1710 | } | |
8c555625 | 1711 | } // end of loop over electrons |
cc80f89e | 1712 | |
8c555625 | 1713 | return label; // returns track label when finished |
1714 | } | |
1715 | ||
1716 | //_____________________________________________________________________________ | |
73042f01 | 1717 | void AliTPC::GetList(Float_t label,Int_t np,TMatrix *m,Int_t *indexRange, |
8c555625 | 1718 | Float_t **pList) |
1719 | { | |
1720 | //---------------------------------------------------------------------- | |
1721 | // Updates the list of tracks contributing to digits for a given row | |
1722 | //---------------------------------------------------------------------- | |
1723 | ||
1724 | //----------------------------------------------------------------- | |
1725 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1726 | //----------------------------------------------------------------- | |
1727 | ||
1728 | TMatrix &signal = *m; | |
1729 | ||
1730 | // lop over nonzero digits | |
1731 | ||
73042f01 | 1732 | for(Int_t it=indexRange[2];it<indexRange[3]+1;it++){ |
1733 | for(Int_t ip=indexRange[0];ip<indexRange[1]+1;ip++){ | |
8c555625 | 1734 | |
1735 | ||
921bf71a | 1736 | // accept only the contribution larger than 500 electrons (1/2 s_noise) |
1737 | ||
cc80f89e | 1738 | if(signal(ip,it)<0.5) continue; |
921bf71a | 1739 | |
1740 | ||
73042f01 | 1741 | Int_t globalIndex = it*np+ip; // globalIndex starts from 0! |
8c555625 | 1742 | |
73042f01 | 1743 | if(!pList[globalIndex]){ |
8c555625 | 1744 | |
1745 | // | |
1746 | // Create new list (6 elements - 3 signals and 3 labels), | |
8c555625 | 1747 | // |
1748 | ||
73042f01 | 1749 | pList[globalIndex] = new Float_t [6]; |
8c555625 | 1750 | |
1751 | // set list to -1 | |
1752 | ||
73042f01 | 1753 | *pList[globalIndex] = -1.; |
1754 | *(pList[globalIndex]+1) = -1.; | |
1755 | *(pList[globalIndex]+2) = -1.; | |
1756 | *(pList[globalIndex]+3) = -1.; | |
1757 | *(pList[globalIndex]+4) = -1.; | |
1758 | *(pList[globalIndex]+5) = -1.; | |
8c555625 | 1759 | |
1760 | ||
73042f01 | 1761 | *pList[globalIndex] = label; |
1762 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 1763 | } |
1764 | else{ | |
1765 | ||
1766 | // check the signal magnitude | |
1767 | ||
73042f01 | 1768 | Float_t highest = *(pList[globalIndex]+3); |
1769 | Float_t middle = *(pList[globalIndex]+4); | |
1770 | Float_t lowest = *(pList[globalIndex]+5); | |
8c555625 | 1771 | |
1772 | // | |
1773 | // compare the new signal with already existing list | |
1774 | // | |
1775 | ||
1776 | if(signal(ip,it)<lowest) continue; // neglect this track | |
1777 | ||
1778 | // | |
1779 | ||
1780 | if (signal(ip,it)>highest){ | |
73042f01 | 1781 | *(pList[globalIndex]+5) = middle; |
1782 | *(pList[globalIndex]+4) = highest; | |
1783 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 1784 | |
73042f01 | 1785 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
1786 | *(pList[globalIndex]+1) = *pList[globalIndex]; | |
1787 | *pList[globalIndex] = label; | |
8c555625 | 1788 | } |
1789 | else if (signal(ip,it)>middle){ | |
73042f01 | 1790 | *(pList[globalIndex]+5) = middle; |
1791 | *(pList[globalIndex]+4) = signal(ip,it); | |
8c555625 | 1792 | |
73042f01 | 1793 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
1794 | *(pList[globalIndex]+1) = label; | |
8c555625 | 1795 | } |
1796 | else{ | |
73042f01 | 1797 | *(pList[globalIndex]+5) = signal(ip,it); |
1798 | *(pList[globalIndex]+2) = label; | |
8c555625 | 1799 | } |
1800 | } | |
1801 | ||
1802 | } // end of loop over pads | |
1803 | } // end of loop over time bins | |
1804 | ||
1805 | ||
1806 | ||
8c555625 | 1807 | }//end of GetList |
1808 | //___________________________________________________________________ | |
1809 | void AliTPC::MakeSector(Int_t isec,Int_t nrows,TTree *TH, | |
1810 | Stat_t ntracks,TObjArray **row) | |
1811 | { | |
1812 | ||
1813 | //----------------------------------------------------------------- | |
1814 | // Prepares the sector digitization, creates the vectors of | |
1815 | // tracks for each row of this sector. The track vector | |
1816 | // contains the track label and the position of electrons. | |
1817 | //----------------------------------------------------------------- | |
1818 | ||
1819 | //----------------------------------------------------------------- | |
1820 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1821 | //----------------------------------------------------------------- | |
1822 | ||
cc80f89e | 1823 | Float_t gasgain = fTPCParam->GetGasGain(); |
8c555625 | 1824 | Int_t i; |
cc80f89e | 1825 | Float_t xyz[4]; |
8c555625 | 1826 | |
1827 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
39c8eb58 | 1828 | //MI change |
1829 | TBranch * branch=0; | |
1830 | if (fHitType&2) branch = TH->GetBranch("TPC2"); | |
1831 | else branch = TH->GetBranch("TPC"); | |
1832 | ||
8c555625 | 1833 | |
1834 | //---------------------------------------------- | |
1835 | // Create TObjArray-s, one for each row, | |
1836 | // each TObjArray will store the TVectors | |
1837 | // of electrons, one TVector per each track. | |
1838 | //---------------------------------------------- | |
1839 | ||
f74bb6f5 | 1840 | Int_t *nofElectrons = new Int_t [nrows]; // electron counter for each row |
1841 | TVector **tracks = new TVector* [nrows]; //pointers to the track vectors | |
8c555625 | 1842 | for(i=0; i<nrows; i++){ |
1843 | row[i] = new TObjArray; | |
f74bb6f5 | 1844 | nofElectrons[i]=0; |
1845 | tracks[i]=0; | |
8c555625 | 1846 | } |
8c555625 | 1847 | |
37831078 | 1848 | |
1849 | ||
8c555625 | 1850 | //-------------------------------------------------------------------- |
1851 | // Loop over tracks, the "track" contains the full history | |
1852 | //-------------------------------------------------------------------- | |
1853 | ||
1854 | Int_t previousTrack,currentTrack; | |
1855 | previousTrack = -1; // nothing to store so far! | |
1856 | ||
1857 | for(Int_t track=0;track<ntracks;track++){ | |
39c8eb58 | 1858 | Bool_t isInSector=kTRUE; |
8c555625 | 1859 | ResetHits(); |
1860 | ||
39c8eb58 | 1861 | if (fHitType&2) { |
1862 | isInSector=kFALSE; | |
1863 | TBranch * br = TH->GetBranch("fTrackHitsInfo"); | |
1864 | br->GetEvent(track); | |
1865 | AliObjectArray * ar = fTrackHits->fTrackHitsInfo; | |
1866 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
1867 | if ( ((AliTrackHitsInfo*)ar->At(j))->fVolumeID==isec) isInSector=kTRUE; | |
1868 | } | |
1869 | } | |
1870 | if (!isInSector) continue; | |
1871 | //MI change | |
1872 | branch->GetEntry(track); // get next track | |
1873 | ||
1874 | //M.I. changes | |
8c555625 | 1875 | |
39c8eb58 | 1876 | tpcHit = (AliTPChit*)FirstHit(-1); |
8c555625 | 1877 | |
1878 | //-------------------------------------------------------------- | |
1879 | // Loop over hits | |
1880 | //-------------------------------------------------------------- | |
1881 | ||
8c555625 | 1882 | |
39c8eb58 | 1883 | while(tpcHit){ |
8c555625 | 1884 | |
1885 | Int_t sector=tpcHit->fSector; // sector number | |
39c8eb58 | 1886 | // if(sector != isec) continue; |
1887 | if(sector != isec){ | |
1888 | tpcHit = (AliTPChit*) NextHit(); | |
1889 | continue; | |
1890 | } | |
8c555625 | 1891 | |
94de3818 | 1892 | currentTrack = tpcHit->Track(); // track number |
39c8eb58 | 1893 | |
1894 | ||
8c555625 | 1895 | if(currentTrack != previousTrack){ |
1896 | ||
1897 | // store already filled fTrack | |
1898 | ||
1899 | for(i=0;i<nrows;i++){ | |
1900 | if(previousTrack != -1){ | |
73042f01 | 1901 | if(nofElectrons[i]>0){ |
cc80f89e | 1902 | TVector &v = *tracks[i]; |
8c555625 | 1903 | v(0) = previousTrack; |
73042f01 | 1904 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 1905 | row[i]->Add(tracks[i]); |
8c555625 | 1906 | } |
1907 | else{ | |
cc80f89e | 1908 | delete tracks[i]; // delete empty TVector |
1909 | tracks[i]=0; | |
8c555625 | 1910 | } |
1911 | } | |
1912 | ||
73042f01 | 1913 | nofElectrons[i]=0; |
cc80f89e | 1914 | tracks[i] = new TVector(481); // TVectors for the next fTrack |
8c555625 | 1915 | |
1916 | } // end of loop over rows | |
1917 | ||
1918 | previousTrack=currentTrack; // update track label | |
1919 | } | |
1920 | ||
73042f01 | 1921 | Int_t qI = (Int_t) (tpcHit->fQ); // energy loss (number of electrons) |
8c555625 | 1922 | |
1923 | //--------------------------------------------------- | |
1924 | // Calculate the electron attachment probability | |
1925 | //--------------------------------------------------- | |
1926 | ||
cc80f89e | 1927 | |
94de3818 | 1928 | Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z())) |
cc80f89e | 1929 | /fTPCParam->GetDriftV(); |
8c555625 | 1930 | // in microseconds! |
73042f01 | 1931 | Float_t attProb = fTPCParam->GetAttCoef()* |
8c555625 | 1932 | fTPCParam->GetOxyCont()*time; // fraction! |
1933 | ||
1934 | //----------------------------------------------- | |
1935 | // Loop over electrons | |
1936 | //----------------------------------------------- | |
cc80f89e | 1937 | Int_t index[3]; |
1938 | index[1]=isec; | |
73042f01 | 1939 | for(Int_t nel=0;nel<qI;nel++){ |
8c555625 | 1940 | // skip if electron lost due to the attachment |
73042f01 | 1941 | if((gRandom->Rndm(0)) < attProb) continue; // electron lost! |
94de3818 | 1942 | xyz[0]=tpcHit->X(); |
1943 | xyz[1]=tpcHit->Y(); | |
1705494b | 1944 | xyz[2]=tpcHit->Z(); |
1945 | // | |
1946 | // protection for the nonphysical avalanche size (10**6 maximum) | |
1947 | // | |
710dacf5 | 1948 | Double_t rn=TMath::Max(gRandom->Rndm(0),1.93e-22); |
1949 | xyz[3]= (Float_t) (-gasgain*TMath::Log(rn)); | |
cc80f89e | 1950 | index[0]=1; |
1951 | ||
1952 | TransportElectron(xyz,index); //MI change -august | |
73042f01 | 1953 | Int_t rowNumber; |
cc80f89e | 1954 | fTPCParam->GetPadRow(xyz,index); //MI change august |
73042f01 | 1955 | rowNumber = index[2]; |
cc80f89e | 1956 | //transform position to local digit coordinates |
1957 | //relative to nearest pad row | |
73042f01 | 1958 | if ((rowNumber<0)||rowNumber>=fTPCParam->GetNRow(isec)) continue; |
1959 | nofElectrons[rowNumber]++; | |
8c555625 | 1960 | //---------------------------------- |
1961 | // Expand vector if necessary | |
1962 | //---------------------------------- | |
73042f01 | 1963 | if(nofElectrons[rowNumber]>120){ |
1964 | Int_t range = tracks[rowNumber]->GetNrows(); | |
1965 | if((nofElectrons[rowNumber])>(range-1)/4){ | |
cc80f89e | 1966 | |
73042f01 | 1967 | tracks[rowNumber]->ResizeTo(range+400); // Add 100 electrons |
fe4da5cc | 1968 | } |
1969 | } | |
1970 | ||
73042f01 | 1971 | TVector &v = *tracks[rowNumber]; |
1972 | Int_t idx = 4*nofElectrons[rowNumber]-3; | |
8c555625 | 1973 | |
cc80f89e | 1974 | v(idx)= xyz[0]; // X - pad row coordinate |
1975 | v(idx+1)=xyz[1]; // Y - pad coordinate (along the pad-row) | |
1976 | v(idx+2)=xyz[2]; // Z - time bin coordinate | |
1977 | v(idx+3)=xyz[3]; // avalanche size | |
8c555625 | 1978 | } // end of loop over electrons |
39c8eb58 | 1979 | |
1980 | tpcHit = (AliTPChit*)NextHit(); | |
8c555625 | 1981 | |
1982 | } // end of loop over hits | |
1983 | } // end of loop over tracks | |
1984 | ||
1985 | // | |
1986 | // store remaining track (the last one) if not empty | |
1987 | // | |
1988 | ||
1989 | for(i=0;i<nrows;i++){ | |
73042f01 | 1990 | if(nofElectrons[i]>0){ |
cc80f89e | 1991 | TVector &v = *tracks[i]; |
8c555625 | 1992 | v(0) = previousTrack; |
73042f01 | 1993 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 1994 | row[i]->Add(tracks[i]); |
fe4da5cc | 1995 | } |
1996 | else{ | |
cc80f89e | 1997 | delete tracks[i]; |
1998 | tracks[i]=0; | |
8c555625 | 1999 | } |
2000 | } | |
2001 | ||
cc80f89e | 2002 | delete [] tracks; |
73042f01 | 2003 | delete [] nofElectrons; |
8c555625 | 2004 | |
8c555625 | 2005 | |
cc80f89e | 2006 | } // end of MakeSector |
8c555625 | 2007 | |
fe4da5cc | 2008 | |
2009 | //_____________________________________________________________________________ | |
2010 | void AliTPC::Init() | |
2011 | { | |
2012 | // | |
2013 | // Initialise TPC detector after definition of geometry | |
2014 | // | |
2015 | Int_t i; | |
2016 | // | |
9e1a0ddb | 2017 | if(fDebug) { |
2018 | printf("\n%s: ",ClassName()); | |
2019 | for(i=0;i<35;i++) printf("*"); | |
2020 | printf(" TPC_INIT "); | |
2021 | for(i=0;i<35;i++) printf("*"); | |
2022 | printf("\n%s: ",ClassName()); | |
2023 | // | |
2024 | for(i=0;i<80;i++) printf("*"); | |
2025 | printf("\n"); | |
2026 | } | |
fe4da5cc | 2027 | } |
2028 | ||
2029 | //_____________________________________________________________________________ | |
9e1a0ddb | 2030 | void AliTPC::MakeBranch(Option_t* option, const char *file) |
fe4da5cc | 2031 | { |
2032 | // | |
2033 | // Create Tree branches for the TPC. | |
2034 | // | |
2035 | Int_t buffersize = 4000; | |
2036 | char branchname[10]; | |
2037 | sprintf(branchname,"%s",GetName()); | |
2038 | ||
2ab0c725 | 2039 | AliDetector::MakeBranch(option,file); |
fe4da5cc | 2040 | |
5cf7bbad | 2041 | const char *d = strstr(option,"D"); |
fe4da5cc | 2042 | |
73042f01 | 2043 | if (fDigits && gAlice->TreeD() && d) { |
9e1a0ddb | 2044 | MakeBranchInTree(gAlice->TreeD(), |
2045 | branchname, &fDigits, buffersize, file); | |
fe4da5cc | 2046 | } |
39c8eb58 | 2047 | |
2ab0c725 | 2048 | if (fHitType&2) MakeBranch2(option,file); // MI change 14.09.2000 |
fe4da5cc | 2049 | } |
2050 | ||
2051 | //_____________________________________________________________________________ | |
2052 | void AliTPC::ResetDigits() | |
2053 | { | |
2054 | // | |
2055 | // Reset number of digits and the digits array for this detector | |
fe4da5cc | 2056 | // |
2057 | fNdigits = 0; | |
cc80f89e | 2058 | if (fDigits) fDigits->Clear(); |
fe4da5cc | 2059 | } |
2060 | ||
2061 | //_____________________________________________________________________________ | |
2062 | void AliTPC::SetSecAL(Int_t sec) | |
2063 | { | |
8c555625 | 2064 | //--------------------------------------------------- |
fe4da5cc | 2065 | // Activate/deactivate selection for lower sectors |
8c555625 | 2066 | //--------------------------------------------------- |
2067 | ||
2068 | //----------------------------------------------------------------- | |
2069 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2070 | //----------------------------------------------------------------- | |
2071 | ||
fe4da5cc | 2072 | fSecAL = sec; |
2073 | } | |
2074 | ||
2075 | //_____________________________________________________________________________ | |
2076 | void AliTPC::SetSecAU(Int_t sec) | |
2077 | { | |
8c555625 | 2078 | //---------------------------------------------------- |
fe4da5cc | 2079 | // Activate/deactivate selection for upper sectors |
8c555625 | 2080 | //--------------------------------------------------- |
2081 | ||
2082 | //----------------------------------------------------------------- | |
2083 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2084 | //----------------------------------------------------------------- | |
2085 | ||
fe4da5cc | 2086 | fSecAU = sec; |
2087 | } | |
2088 | ||
2089 | //_____________________________________________________________________________ | |
2090 | void AliTPC::SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6) | |
2091 | { | |
8c555625 | 2092 | //---------------------------------------- |
fe4da5cc | 2093 | // Select active lower sectors |
8c555625 | 2094 | //---------------------------------------- |
2095 | ||
2096 | //----------------------------------------------------------------- | |
2097 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2098 | //----------------------------------------------------------------- | |
2099 | ||
fe4da5cc | 2100 | fSecLows[0] = s1; |
2101 | fSecLows[1] = s2; | |
2102 | fSecLows[2] = s3; | |
2103 | fSecLows[3] = s4; | |
2104 | fSecLows[4] = s5; | |
2105 | fSecLows[5] = s6; | |
2106 | } | |
2107 | ||
2108 | //_____________________________________________________________________________ | |
2109 | void AliTPC::SetSecUps(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6, | |
2110 | Int_t s7, Int_t s8 ,Int_t s9 ,Int_t s10, | |
2111 | Int_t s11 , Int_t s12) | |
2112 | { | |
8c555625 | 2113 | //-------------------------------- |
fe4da5cc | 2114 | // Select active upper sectors |
8c555625 | 2115 | //-------------------------------- |
2116 | ||
2117 | //----------------------------------------------------------------- | |
2118 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2119 | //----------------------------------------------------------------- | |
2120 | ||
fe4da5cc | 2121 | fSecUps[0] = s1; |
2122 | fSecUps[1] = s2; | |
2123 | fSecUps[2] = s3; | |
2124 | fSecUps[3] = s4; | |
2125 | fSecUps[4] = s5; | |
2126 | fSecUps[5] = s6; | |
2127 | fSecUps[6] = s7; | |
2128 | fSecUps[7] = s8; | |
2129 | fSecUps[8] = s9; | |
2130 | fSecUps[9] = s10; | |
2131 | fSecUps[10] = s11; | |
2132 | fSecUps[11] = s12; | |
2133 | } | |
2134 | ||
2135 | //_____________________________________________________________________________ | |
2136 | void AliTPC::SetSens(Int_t sens) | |
2137 | { | |
8c555625 | 2138 | |
2139 | //------------------------------------------------------------- | |
2140 | // Activates/deactivates the sensitive strips at the center of | |
2141 | // the pad row -- this is for the space-point resolution calculations | |
2142 | //------------------------------------------------------------- | |
2143 | ||
2144 | //----------------------------------------------------------------- | |
2145 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2146 | //----------------------------------------------------------------- | |
2147 | ||
fe4da5cc | 2148 | fSens = sens; |
2149 | } | |
2b06d5c3 | 2150 | |
4b0fdcad | 2151 | |
73042f01 | 2152 | void AliTPC::SetSide(Float_t side=0.) |
4b0fdcad | 2153 | { |
73042f01 | 2154 | // choice of the TPC side |
2155 | ||
4b0fdcad | 2156 | fSide = side; |
2157 | ||
2158 | } | |
1283eee5 | 2159 | //____________________________________________________________________________ |
2160 | void AliTPC::SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1, | |
2161 | Float_t p2,Float_t p3) | |
2162 | { | |
fe4da5cc | 2163 | |
73042f01 | 2164 | // gax mixture definition |
2165 | ||
1283eee5 | 2166 | fNoComp = nc; |
2167 | ||
2168 | fMixtComp[0]=c1; | |
2169 | fMixtComp[1]=c2; | |
2170 | fMixtComp[2]=c3; | |
2171 | ||
2172 | fMixtProp[0]=p1; | |
2173 | fMixtProp[1]=p2; | |
2174 | fMixtProp[2]=p3; | |
2175 | ||
2176 | ||
cc80f89e | 2177 | } |
2178 | //_____________________________________________________________________________ | |
2179 | ||
2180 | void AliTPC::TransportElectron(Float_t *xyz, Int_t *index) | |
2181 | { | |
2182 | // | |
2183 | // electron transport taking into account: | |
2184 | // 1. diffusion, | |
2185 | // 2.ExB at the wires | |
2186 | // 3. nonisochronity | |
2187 | // | |
2188 | // xyz and index must be already transformed to system 1 | |
2189 | // | |
2190 | ||
2191 | fTPCParam->Transform1to2(xyz,index); | |
2192 | ||
2193 | //add diffusion | |
2194 | Float_t driftl=xyz[2]; | |
2195 | if(driftl<0.01) driftl=0.01; | |
2196 | driftl=TMath::Sqrt(driftl); | |
73042f01 | 2197 | Float_t sigT = driftl*(fTPCParam->GetDiffT()); |
2198 | Float_t sigL = driftl*(fTPCParam->GetDiffL()); | |
2199 | xyz[0]=gRandom->Gaus(xyz[0],sigT); | |
2200 | xyz[1]=gRandom->Gaus(xyz[1],sigT); | |
2201 | xyz[2]=gRandom->Gaus(xyz[2],sigL); | |
cc80f89e | 2202 | |
2203 | // ExB | |
2204 | ||
2205 | if (fTPCParam->GetMWPCReadout()==kTRUE){ | |
2206 | Float_t x1=xyz[0]; | |
2207 | fTPCParam->Transform2to2NearestWire(xyz,index); | |
2208 | Float_t dx=xyz[0]-x1; | |
2209 | xyz[1]+=dx*(fTPCParam->GetOmegaTau()); | |
2210 | } | |
2211 | //add nonisochronity (not implemented yet) | |
2212 | ||
1283eee5 | 2213 | } |
fe4da5cc | 2214 | |
fe4da5cc | 2215 | ClassImp(AliTPCdigit) |
2216 | ||
2217 | //_____________________________________________________________________________ | |
2218 | AliTPCdigit::AliTPCdigit(Int_t *tracks, Int_t *digits): | |
2219 | AliDigit(tracks) | |
2220 | { | |
2221 | // | |
2222 | // Creates a TPC digit object | |
2223 | // | |
2224 | fSector = digits[0]; | |
2225 | fPadRow = digits[1]; | |
2226 | fPad = digits[2]; | |
2227 | fTime = digits[3]; | |
2228 | fSignal = digits[4]; | |
2229 | } | |
2230 | ||
2231 | ||
2232 | ClassImp(AliTPChit) | |
2233 | ||
2234 | //_____________________________________________________________________________ | |
2235 | AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): | |
2236 | AliHit(shunt,track) | |
2237 | { | |
2238 | // | |
2239 | // Creates a TPC hit object | |
2240 | // | |
2241 | fSector = vol[0]; | |
2242 | fPadRow = vol[1]; | |
2243 | fX = hits[0]; | |
2244 | fY = hits[1]; | |
2245 | fZ = hits[2]; | |
2246 | fQ = hits[3]; | |
2247 | } | |
2248 | ||
8c555625 | 2249 | |
39c8eb58 | 2250 | //________________________________________________________________________ |
2251 | // Additional code because of the AliTPCTrackHits | |
2252 | ||
9e1a0ddb | 2253 | void AliTPC::MakeBranch2(Option_t *option,const char *file) |
39c8eb58 | 2254 | { |
2255 | // | |
2256 | // Create a new branch in the current Root Tree | |
2257 | // The branch of fHits is automatically split | |
2258 | // MI change 14.09.2000 | |
2259 | if (fHitType&2==0) return; | |
2260 | char branchname[10]; | |
2261 | sprintf(branchname,"%s2",GetName()); | |
2262 | // | |
2263 | // Get the pointer to the header | |
5cf7bbad | 2264 | const char *cH = strstr(option,"H"); |
39c8eb58 | 2265 | // |
2266 | if (fTrackHits && gAlice->TreeH() && cH) { | |
39c8eb58 | 2267 | AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHits",&fTrackHits, |
8f90302f | 2268 | gAlice->TreeH(),fBufferSize,99); |
39c8eb58 | 2269 | gAlice->TreeH()->GetListOfBranches()->Add(branch); |
9e1a0ddb | 2270 | if (GetDebug()>1) |
2271 | printf("* AliDetector::MakeBranch * Making Branch %s for trackhits\n",branchname); | |
2272 | const char folder [] = "RunMC/Event/Data"; | |
2273 | if (GetDebug()) | |
2274 | printf("%15s: Publishing %s to %s\n",ClassName(),branchname,folder); | |
2275 | Publish(folder,&fTrackHits,branchname); | |
2ab0c725 | 2276 | if (file) { |
2277 | TBranch *b = gAlice->TreeH()->GetBranch(branchname); | |
2278 | TDirectory *wd = gDirectory; | |
2279 | b->SetFile(file); | |
2280 | TIter next( b->GetListOfBranches()); | |
2281 | while ((b=(TBranch*)next())) { | |
9e1a0ddb | 2282 | b->SetFile(file); |
2ab0c725 | 2283 | } |
2284 | wd->cd(); | |
9e1a0ddb | 2285 | if (GetDebug()>1) |
2286 | cout << "Diverting branch " << branchname << " to file " << file << endl; | |
2ab0c725 | 2287 | } |
39c8eb58 | 2288 | } |
2289 | } | |
2290 | ||
2291 | void AliTPC::SetTreeAddress() | |
2292 | { | |
2293 | if (fHitType&1) AliDetector::SetTreeAddress(); | |
2294 | if (fHitType&2) SetTreeAddress2(); | |
2295 | } | |
2296 | ||
2297 | void AliTPC::SetTreeAddress2() | |
2298 | { | |
2299 | // | |
2300 | // Set branch address for the TrackHits Tree | |
2301 | // | |
2302 | TBranch *branch; | |
2303 | char branchname[20]; | |
2304 | sprintf(branchname,"%s2",GetName()); | |
2305 | // | |
2306 | // Branch address for hit tree | |
2307 | TTree *treeH = gAlice->TreeH(); | |
2308 | if (treeH) { | |
2309 | branch = treeH->GetBranch(branchname); | |
2310 | if (branch) branch->SetAddress(&fTrackHits); | |
2311 | } | |
2312 | } | |
2313 | ||
2314 | void AliTPC::FinishPrimary() | |
2315 | { | |
2316 | if (fTrackHits) fTrackHits->FlushHitStack(); | |
2317 | } | |
2318 | ||
2319 | ||
2320 | void AliTPC::AddHit2(Int_t track, Int_t *vol, Float_t *hits) | |
2321 | { | |
2322 | // | |
2323 | // add hit to the list | |
39c8eb58 | 2324 | Int_t rtrack; |
2325 | if (fIshunt) { | |
2326 | int primary = gAlice->GetPrimary(track); | |
2ab0c725 | 2327 | gAlice->Particle(primary)->SetBit(kKeepBit); |
39c8eb58 | 2328 | rtrack=primary; |
2329 | } else { | |
2330 | rtrack=track; | |
2331 | gAlice->FlagTrack(track); | |
2332 | } | |
2333 | //AliTPChit *hit = (AliTPChit*)fHits->UncheckedAt(fNhits-1); | |
2334 | //if (hit->fTrack!=rtrack) | |
2335 | // cout<<"bad track number\n"; | |
2336 | if (fTrackHits) | |
2337 | fTrackHits->AddHitKartez(vol[0],rtrack, hits[0], | |
2338 | hits[1],hits[2],(Int_t)hits[3]); | |
2339 | } | |
2340 | ||
2341 | void AliTPC::ResetHits() | |
2342 | { | |
2343 | if (fHitType&1) AliDetector::ResetHits(); | |
2344 | if (fHitType&2) ResetHits2(); | |
2345 | } | |
2346 | ||
2347 | void AliTPC::ResetHits2() | |
2348 | { | |
2349 | // | |
2350 | //reset hits | |
2351 | if (fTrackHits) fTrackHits->Clear(); | |
2352 | } | |
2353 | ||
2354 | AliHit* AliTPC::FirstHit(Int_t track) | |
2355 | { | |
2356 | if (fHitType&2) return FirstHit2(track); | |
2357 | return AliDetector::FirstHit(track); | |
2358 | } | |
2359 | AliHit* AliTPC::NextHit() | |
2360 | { | |
2361 | if (fHitType&2) return NextHit2(); | |
2362 | return AliDetector::NextHit(); | |
2363 | } | |
2364 | ||
2365 | AliHit* AliTPC::FirstHit2(Int_t track) | |
2366 | { | |
2367 | // | |
2368 | // Initialise the hit iterator | |
2369 | // Return the address of the first hit for track | |
2370 | // If track>=0 the track is read from disk | |
2371 | // while if track<0 the first hit of the current | |
2372 | // track is returned | |
2373 | // | |
2374 | if(track>=0) { | |
2375 | gAlice->ResetHits(); | |
2376 | gAlice->TreeH()->GetEvent(track); | |
2377 | } | |
2378 | // | |
2379 | if (fTrackHits) { | |
2380 | fTrackHits->First(); | |
2381 | return fTrackHits->GetHit(); | |
2382 | } | |
2383 | else return 0; | |
2384 | } | |
2385 | ||
2386 | AliHit* AliTPC::NextHit2() | |
2387 | { | |
2388 | // | |
2389 | //Return the next hit for the current track | |
2390 | ||
2391 | if (fTrackHits) { | |
2392 | fTrackHits->Next(); | |
2393 | return fTrackHits->GetHit(); | |
2394 | } | |
2395 | else | |
2396 | return 0; | |
2397 | } | |
2398 | ||
2399 | void AliTPC::LoadPoints(Int_t) | |
2400 | { | |
2401 | // | |
2402 | Int_t a = 0; | |
f2e8b846 | 2403 | /* if(fHitType==1) return AliDetector::LoadPoints(a); |
39c8eb58 | 2404 | LoadPoints2(a); |
f2e8b846 | 2405 | */ |
2406 | if(fHitType==1) AliDetector::LoadPoints(a); | |
2407 | else LoadPoints2(a); | |
2408 | ||
39c8eb58 | 2409 | // LoadPoints3(a); |
2410 | ||
2411 | } | |
2412 | ||
2413 | ||
2414 | void AliTPC::RemapTrackHitIDs(Int_t *map) | |
2415 | { | |
2416 | if (!fTrackHits) return; | |
2417 | AliObjectArray * arr = fTrackHits->fTrackHitsInfo; | |
2418 | for (UInt_t i=0;i<arr->GetSize();i++){ | |
2419 | AliTrackHitsInfo * info = (AliTrackHitsInfo *)(arr->At(i)); | |
2420 | info->fTrackID = map[info->fTrackID]; | |
2421 | } | |
2422 | ||
2423 | } | |
2424 | ||
2425 | ||
2426 | //_____________________________________________________________________________ | |
2427 | void AliTPC::LoadPoints2(Int_t) | |
2428 | { | |
2429 | // | |
2430 | // Store x, y, z of all hits in memory | |
2431 | // | |
2432 | if (fTrackHits == 0) return; | |
2433 | // | |
2434 | Int_t nhits = fTrackHits->GetEntriesFast(); | |
2435 | if (nhits == 0) return; | |
2436 | Int_t tracks = gAlice->GetNtrack(); | |
2437 | if (fPoints == 0) fPoints = new TObjArray(tracks); | |
2438 | AliHit *ahit; | |
2439 | // | |
2440 | Int_t *ntrk=new Int_t[tracks]; | |
2441 | Int_t *limi=new Int_t[tracks]; | |
2442 | Float_t **coor=new Float_t*[tracks]; | |
2443 | for(Int_t i=0;i<tracks;i++) { | |
2444 | ntrk[i]=0; | |
2445 | coor[i]=0; | |
2446 | limi[i]=0; | |
2447 | } | |
2448 | // | |
2449 | AliPoints *points = 0; | |
2450 | Float_t *fp=0; | |
2451 | Int_t trk; | |
2452 | Int_t chunk=nhits/4+1; | |
2453 | // | |
2454 | // Loop over all the hits and store their position | |
2455 | // | |
2456 | ahit = FirstHit2(-1); | |
2457 | //for (Int_t hit=0;hit<nhits;hit++) { | |
2458 | while (ahit){ | |
2459 | // ahit = (AliHit*)fHits->UncheckedAt(hit); | |
2460 | trk=ahit->GetTrack(); | |
2461 | if(ntrk[trk]==limi[trk]) { | |
2462 | // | |
2463 | // Initialise a new track | |
2464 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2465 | if(coor[trk]) { | |
2466 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2467 | delete [] coor[trk]; | |
2468 | } | |
2469 | limi[trk]+=chunk; | |
2470 | coor[trk] = fp; | |
2471 | } else { | |
2472 | fp = coor[trk]; | |
2473 | } | |
2474 | fp[3*ntrk[trk] ] = ahit->X(); | |
2475 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2476 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2477 | ntrk[trk]++; | |
2478 | ahit = NextHit2(); | |
2479 | } | |
2480 | // | |
2481 | for(trk=0; trk<tracks; ++trk) { | |
2482 | if(ntrk[trk]) { | |
2483 | points = new AliPoints(); | |
2484 | points->SetMarkerColor(GetMarkerColor()); | |
2485 | points->SetMarkerSize(GetMarkerSize()); | |
2486 | points->SetDetector(this); | |
2487 | points->SetParticle(trk); | |
2488 | points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()); | |
2489 | fPoints->AddAt(points,trk); | |
2490 | delete [] coor[trk]; | |
2491 | coor[trk]=0; | |
2492 | } | |
2493 | } | |
2494 | delete [] coor; | |
2495 | delete [] ntrk; | |
2496 | delete [] limi; | |
2497 | } | |
2498 | ||
2499 | ||
2500 | //_____________________________________________________________________________ | |
2501 | void AliTPC::LoadPoints3(Int_t) | |
2502 | { | |
2503 | // | |
2504 | // Store x, y, z of all hits in memory | |
2505 | // - only intersection point with pad row | |
2506 | if (fTrackHits == 0) return; | |
2507 | // | |
2508 | Int_t nhits = fTrackHits->GetEntriesFast(); | |
2509 | if (nhits == 0) return; | |
2510 | Int_t tracks = gAlice->GetNtrack(); | |
2511 | if (fPoints == 0) fPoints = new TObjArray(2*tracks); | |
2512 | fPoints->Expand(2*tracks); | |
2513 | AliHit *ahit; | |
2514 | // | |
2515 | Int_t *ntrk=new Int_t[tracks]; | |
2516 | Int_t *limi=new Int_t[tracks]; | |
2517 | Float_t **coor=new Float_t*[tracks]; | |
2518 | for(Int_t i=0;i<tracks;i++) { | |
2519 | ntrk[i]=0; | |
2520 | coor[i]=0; | |
2521 | limi[i]=0; | |
2522 | } | |
2523 | // | |
2524 | AliPoints *points = 0; | |
2525 | Float_t *fp=0; | |
2526 | Int_t trk; | |
2527 | Int_t chunk=nhits/4+1; | |
2528 | // | |
2529 | // Loop over all the hits and store their position | |
2530 | // | |
2531 | ahit = FirstHit2(-1); | |
2532 | //for (Int_t hit=0;hit<nhits;hit++) { | |
2533 | ||
2534 | Int_t lastrow = -1; | |
2535 | while (ahit){ | |
2536 | // ahit = (AliHit*)fHits->UncheckedAt(hit); | |
2537 | trk=ahit->GetTrack(); | |
2538 | Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()}; | |
2539 | Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0}; | |
2540 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
2541 | if (currentrow!=lastrow){ | |
2542 | lastrow = currentrow; | |
2543 | //later calculate intersection point | |
2544 | if(ntrk[trk]==limi[trk]) { | |
2545 | // | |
2546 | // Initialise a new track | |
2547 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2548 | if(coor[trk]) { | |
2549 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2550 | delete [] coor[trk]; | |
2551 | } | |
2552 | limi[trk]+=chunk; | |
2553 | coor[trk] = fp; | |
2554 | } else { | |
2555 | fp = coor[trk]; | |
2556 | } | |
2557 | fp[3*ntrk[trk] ] = ahit->X(); | |
2558 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2559 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2560 | ntrk[trk]++; | |
2561 | } | |
2562 | ahit = NextHit2(); | |
2563 | } | |
2564 | ||
2565 | // | |
2566 | for(trk=0; trk<tracks; ++trk) { | |
2567 | if(ntrk[trk]) { | |
2568 | points = new AliPoints(); | |
2569 | points->SetMarkerColor(GetMarkerColor()+1); | |
2570 | points->SetMarkerStyle(5); | |
2571 | points->SetMarkerSize(0.2); | |
2572 | points->SetDetector(this); | |
2573 | points->SetParticle(trk); | |
2574 | // points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()20); | |
2575 | points->SetPolyMarker(ntrk[trk],coor[trk],30); | |
2576 | fPoints->AddAt(points,tracks+trk); | |
2577 | delete [] coor[trk]; | |
2578 | coor[trk]=0; | |
2579 | } | |
2580 | } | |
2581 | delete [] coor; | |
2582 | delete [] ntrk; | |
2583 | delete [] limi; | |
2584 | } | |
2585 | ||
2586 | ||
2587 | ||
2588 | void AliTPC::FindTrackHitsIntersection(TClonesArray * arr) | |
2589 | { | |
2590 | ||
2591 | // | |
2592 | //fill clones array with intersection of current point with the | |
2593 | //middle of the row | |
2594 | Int_t sector; | |
2595 | Int_t ipart; | |
2596 | ||
2597 | const Int_t kcmaxhits=30000; | |
2598 | TVector * xxxx = new TVector(kcmaxhits*4); | |
2599 | TVector & xxx = *xxxx; | |
2600 | Int_t maxhits = kcmaxhits; | |
2601 | ||
2602 | // | |
2603 | AliTPChit * tpcHit=0; | |
2604 | tpcHit = (AliTPChit*)FirstHit2(-1); | |
2605 | Int_t currentIndex=0; | |
2606 | Int_t lastrow=-1; //last writen row | |
2607 | ||
2608 | while (tpcHit){ | |
2609 | if (tpcHit==0) continue; | |
2610 | sector=tpcHit->fSector; // sector number | |
2611 | ipart=tpcHit->Track(); | |
2612 | ||
2613 | //find row number | |
2614 | ||
2615 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; | |
2616 | Int_t index[3]={1,sector,0}; | |
2617 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
2618 | if (currentrow<0) continue; | |
2619 | if (lastrow<0) lastrow=currentrow; | |
2620 | if (currentrow==lastrow){ | |
2621 | if ( currentIndex>=maxhits){ | |
2622 | maxhits+=kcmaxhits; | |
2623 | xxx.ResizeTo(4*maxhits); | |
2624 | } | |
2625 | xxx(currentIndex*4)=x[0]; | |
2626 | xxx(currentIndex*4+1)=x[1]; | |
2627 | xxx(currentIndex*4+2)=x[2]; | |
2628 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
2629 | currentIndex++; | |
2630 | } | |
2631 | else | |
2632 | if (currentIndex>2){ | |
2633 | Float_t sumx=0; | |
2634 | Float_t sumx2=0; | |
2635 | Float_t sumx3=0; | |
2636 | Float_t sumx4=0; | |
2637 | Float_t sumy=0; | |
2638 | Float_t sumxy=0; | |
2639 | Float_t sumx2y=0; | |
2640 | Float_t sumz=0; | |
2641 | Float_t sumxz=0; | |
2642 | Float_t sumx2z=0; | |
2643 | Float_t sumq=0; | |
2644 | for (Int_t index=0;index<currentIndex;index++){ | |
2645 | Float_t x,x2,x3,x4; | |
2646 | x=x2=x3=x4=xxx(index*4); | |
2647 | x2*=x; | |
2648 | x3*=x2; | |
2649 | x4*=x3; | |
2650 | sumx+=x; | |
2651 | sumx2+=x2; | |
2652 | sumx3+=x3; | |
2653 | sumx4+=x4; | |
2654 | sumy+=xxx(index*4+1); | |
2655 | sumxy+=xxx(index*4+1)*x; | |
2656 | sumx2y+=xxx(index*4+1)*x2; | |
2657 | sumz+=xxx(index*4+2); | |
2658 | sumxz+=xxx(index*4+2)*x; | |
2659 | sumx2z+=xxx(index*4+2)*x2; | |
2660 | sumq+=xxx(index*4+3); | |
2661 | } | |
2662 | Float_t centralPad = (fTPCParam->GetNPads(sector,lastrow)-1)/2; | |
2663 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ | |
2664 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
2665 | ||
2666 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
2667 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
2668 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
2669 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
2670 | ||
2671 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
2672 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
2673 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
2674 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
2675 | ||
2676 | Float_t y=detay/det+centralPad; | |
2677 | Float_t z=detaz/det; | |
2678 | Float_t by=detby/det; //y angle | |
2679 | Float_t bz=detbz/det; //z angle | |
2680 | sumy/=Float_t(currentIndex); | |
2681 | sumz/=Float_t(currentIndex); | |
2682 | ||
2683 | AliComplexCluster cl; | |
2684 | cl.fX=z; | |
2685 | cl.fY=y; | |
2686 | cl.fQ=sumq; | |
2687 | cl.fSigmaX2=bz; | |
2688 | cl.fSigmaY2=by; | |
2689 | cl.fTracks[0]=ipart; | |
2690 | ||
2691 | AliTPCClustersRow * row = (fClustersArray->GetRow(sector,lastrow)); | |
2692 | if (row!=0) row->InsertCluster(&cl); | |
2693 | currentIndex=0; | |
2694 | lastrow=currentrow; | |
2695 | } //end of calculating cluster for given row | |
2696 | ||
2697 | } // end of loop over hits | |
2698 | xxxx->Delete(); | |
39c8eb58 | 2699 | |
2700 | } | |
afc42102 | 2701 | //_______________________________________________________________________________ |
a62d28a2 | 2702 | void AliTPC::Digits2Reco(Int_t firstevent,Int_t lastevent) |
afc42102 | 2703 | { |
a62d28a2 | 2704 | // produces rec points from digits and writes them on the root file |
2705 | // AliTPCclusters.root | |
2706 | ||
2707 | TDirectory *cwd = gDirectory; | |
2708 | ||
2709 | ||
2710 | AliTPCParam *dig=(AliTPCParam *)gDirectory->Get("75x40_100x60"); | |
2711 | SetParam(dig); | |
2712 | cout<<"AliTPC::Digits2Reco: TPC parameteres have been set"<<endl; | |
2713 | TFile *out; | |
2714 | if(!gSystem->Getenv("CONFIG_FILE")){ | |
2715 | out=TFile::Open("AliTPCclusters.root","recreate"); | |
2716 | } | |
2717 | else { | |
2718 | const char *tmp1; | |
2719 | const char *tmp2; | |
2720 | char tmp3[80]; | |
2721 | tmp1=gSystem->Getenv("CONFIG_FILE_PREFIX"); | |
2722 | tmp2=gSystem->Getenv("CONFIG_OUTDIR"); | |
2723 | sprintf(tmp3,"%s%s/AliTPCclusters.root",tmp1,tmp2); | |
2724 | out=TFile::Open(tmp3,"recreate"); | |
2725 | } | |
2726 | ||
2727 | TStopwatch timer; | |
2728 | cout<<"AliTPC::Digits2Reco - determination of rec points begins"<<endl; | |
2729 | timer.Start(); | |
2730 | cwd->cd(); | |
2731 | for(Int_t iev=firstevent;iev<lastevent+1;iev++){ | |
2732 | ||
2733 | printf("Processing event %d\n",iev); | |
2734 | Digits2Clusters(out,iev); | |
2735 | } | |
2736 | cout<<"AliTPC::Digits2Reco - determination of rec points ended"<<endl; | |
2737 | timer.Stop(); | |
2738 | timer.Print(); | |
2739 | out->Close(); | |
2740 | cwd->cd(); | |
2741 | ||
2742 | ||
afc42102 | 2743 | } |