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