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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 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
fe4da5cc | 18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Time Projection Chamber // | |
21 | // This class contains the basic functions for the Time Projection Chamber // | |
22 | // detector. Functions specific to one particular geometry are // | |
23 | // contained in the derived classes // | |
24 | // // | |
25 | //Begin_Html | |
26 | /* | |
1439f98e | 27 | <img src="picts/AliTPCClass.gif"> |
fe4da5cc | 28 | */ |
29 | //End_Html | |
30 | // // | |
8c555625 | 31 | // // |
fe4da5cc | 32 | /////////////////////////////////////////////////////////////////////////////// |
33 | ||
73042f01 | 34 | // |
35 | ||
88cb7938 | 36 | #include <Riostream.h> |
37 | #include <stdlib.h> | |
38 | ||
39 | #include <TFile.h> | |
40 | #include <TGeometry.h> | |
41 | #include <TInterpreter.h> | |
fe4da5cc | 42 | #include <TMath.h> |
8c555625 | 43 | #include <TMatrix.h> |
fe4da5cc | 44 | #include <TNode.h> |
fe4da5cc | 45 | #include <TObjectTable.h> |
88cb7938 | 46 | #include <TParticle.h> |
afc42102 | 47 | #include <TROOT.h> |
88cb7938 | 48 | #include <TRandom.h> |
afc42102 | 49 | #include <TSystem.h> |
88cb7938 | 50 | #include <TTUBS.h> |
51 | #include <TTree.h> | |
52 | #include <TVector.h> | |
53 | #include <TVirtualMC.h> | |
2a336e15 | 54 | #include <TString.h> |
55 | #include <TF2.h> | |
cc80f89e | 56 | |
88cb7938 | 57 | #include "AliArrayBranch.h" |
58 | #include "AliClusters.h" | |
59 | #include "AliComplexCluster.h" | |
cc80f89e | 60 | #include "AliDigits.h" |
88cb7938 | 61 | #include "AliMagF.h" |
62 | #include "AliPoints.h" | |
63 | #include "AliRun.h" | |
64 | #include "AliRunLoader.h" | |
cc80f89e | 65 | #include "AliSimDigits.h" |
88cb7938 | 66 | #include "AliTPC.h" |
67 | #include "AliTPC.h" | |
68 | #include "AliTPCClustersArray.h" | |
69 | #include "AliTPCClustersRow.h" | |
70 | #include "AliTPCDigitsArray.h" | |
71 | #include "AliTPCLoader.h" | |
72 | #include "AliTPCPRF2D.h" | |
73 | #include "AliTPCParamSR.h" | |
74 | #include "AliTPCRF1D.h" | |
39c8eb58 | 75 | #include "AliTPCTrackHits.h" |
792bb11c | 76 | #include "AliTPCTrackHitsV2.h" |
73042f01 | 77 | #include "AliTPCcluster.h" |
88cb7938 | 78 | #include "AliTrackReference.h" |
5d12ce38 | 79 | #include "AliMC.h" |
85a5290f | 80 | #include "AliTPCDigitizer.h" |
0421c3d1 | 81 | #include "AliTPCBuffer.h" |
82 | #include "AliTPCDDLRawData.h" | |
6bb8e9b9 | 83 | #include "AliTPCclustererMI.h" |
84 | #include "AliTPCtrackerMI.h" | |
596a855f | 85 | #include "AliTPCpidESD.h" |
39c8eb58 | 86 | |
87 | ||
fe4da5cc | 88 | ClassImp(AliTPC) |
89 | ||
de61d5d5 | 90 | //_____________________________________________________________________________ |
91 | // helper class for fast matrix and vector manipulation - no range checking | |
92 | // origin - Marian Ivanov | |
93 | ||
94 | class AliTPCFastMatrix : public TMatrix { | |
95 | public : | |
9bdd974b | 96 | AliTPCFastMatrix(Int_t rowlwb, Int_t rowupb, Int_t collwb, Int_t colupb); |
6bb8e9b9 | 97 | #if ROOT_VERSION_CODE >= ROOT_VERSION(4,0,1) |
98 | Float_t & UncheckedAt(Int_t rown, Int_t coln) const {return fElements[(rown-fRowLwb)*fNcols+(coln-fColLwb)];} //fast acces | |
99 | Float_t UncheckedAtFast(Int_t rown, Int_t coln) const {return fElements[(rown-fRowLwb)*fNcols+(coln-fColLwb)];} //fast acces | |
100 | #else | |
9bdd974b | 101 | Float_t & UncheckedAt(Int_t rown, Int_t coln) const {return (fIndex[coln])[rown];} //fast acces |
102 | Float_t UncheckedAtFast(Int_t rown, Int_t coln) const {return (fIndex[coln])[rown];} //fast acces | |
6bb8e9b9 | 103 | #endif |
de61d5d5 | 104 | }; |
105 | ||
9bdd974b | 106 | AliTPCFastMatrix::AliTPCFastMatrix(Int_t rowlwb, Int_t rowupb, Int_t collwb, Int_t colupb): |
107 | TMatrix(rowlwb, rowupb,collwb,colupb) | |
de61d5d5 | 108 | { |
109 | }; | |
110 | //_____________________________________________________________________________ | |
111 | class AliTPCFastVector : public TVector { | |
112 | public : | |
113 | AliTPCFastVector(Int_t size); | |
b6e0d3fe | 114 | virtual ~AliTPCFastVector(){;} |
9bdd974b | 115 | Float_t & UncheckedAt(Int_t index) const {return fElements[index];} //fast acces |
b6e0d3fe | 116 | |
de61d5d5 | 117 | }; |
118 | ||
119 | AliTPCFastVector::AliTPCFastVector(Int_t size):TVector(size){ | |
120 | }; | |
121 | ||
fe4da5cc | 122 | //_____________________________________________________________________________ |
123 | AliTPC::AliTPC() | |
124 | { | |
125 | // | |
126 | // Default constructor | |
127 | // | |
128 | fIshunt = 0; | |
fe4da5cc | 129 | fHits = 0; |
130 | fDigits = 0; | |
fe4da5cc | 131 | fNsectors = 0; |
cc80f89e | 132 | fDigitsArray = 0; |
133 | fClustersArray = 0; | |
afc42102 | 134 | fDefaults = 0; |
792bb11c | 135 | fTrackHits = 0; |
136 | fTrackHitsOld = 0; | |
da33556f | 137 | fHitType = 2; //default CONTAINERS - based on ROOT structure |
407ff276 | 138 | fTPCParam = 0; |
139 | fNoiseTable = 0; | |
792bb11c | 140 | fActiveSectors =0; |
407ff276 | 141 | |
fe4da5cc | 142 | } |
143 | ||
144 | //_____________________________________________________________________________ | |
145 | AliTPC::AliTPC(const char *name, const char *title) | |
146 | : AliDetector(name,title) | |
147 | { | |
148 | // | |
149 | // Standard constructor | |
150 | // | |
151 | ||
152 | // | |
153 | // Initialise arrays of hits and digits | |
154 | fHits = new TClonesArray("AliTPChit", 176); | |
5d12ce38 | 155 | gAlice->GetMCApp()->AddHitList(fHits); |
cc80f89e | 156 | fDigitsArray = 0; |
157 | fClustersArray= 0; | |
afc42102 | 158 | fDefaults = 0; |
fe4da5cc | 159 | // |
792bb11c | 160 | fTrackHits = new AliTPCTrackHitsV2; |
39c8eb58 | 161 | fTrackHits->SetHitPrecision(0.002); |
162 | fTrackHits->SetStepPrecision(0.003); | |
792bb11c | 163 | fTrackHits->SetMaxDistance(100); |
164 | ||
165 | fTrackHitsOld = new AliTPCTrackHits; //MI - 13.09.2000 | |
166 | fTrackHitsOld->SetHitPrecision(0.002); | |
167 | fTrackHitsOld->SetStepPrecision(0.003); | |
168 | fTrackHitsOld->SetMaxDistance(100); | |
169 | ||
407ff276 | 170 | fNoiseTable =0; |
39c8eb58 | 171 | |
da33556f | 172 | fHitType = 2; |
792bb11c | 173 | fActiveSectors = 0; |
39c8eb58 | 174 | // |
fe4da5cc | 175 | // Initialise counters |
cc80f89e | 176 | fNsectors = 0; |
cc80f89e | 177 | |
fe4da5cc | 178 | // |
179 | fIshunt = 0; | |
180 | // | |
181 | // Initialise color attributes | |
182 | SetMarkerColor(kYellow); | |
73042f01 | 183 | |
184 | // | |
185 | // Set TPC parameters | |
186 | // | |
187 | ||
afc42102 | 188 | |
189 | if (!strcmp(title,"Default")) { | |
190 | fTPCParam = new AliTPCParamSR; | |
73042f01 | 191 | } else { |
192 | cerr<<"AliTPC warning: in Config.C you must set non-default parameters\n"; | |
193 | fTPCParam=0; | |
194 | } | |
195 | ||
fe4da5cc | 196 | } |
197 | ||
198 | //_____________________________________________________________________________ | |
9bdd974b | 199 | AliTPC::AliTPC(const AliTPC& t):AliDetector(t){ |
200 | // | |
201 | // dummy copy constructor | |
202 | // | |
203 | } | |
fe4da5cc | 204 | AliTPC::~AliTPC() |
205 | { | |
206 | // | |
207 | // TPC destructor | |
208 | // | |
73042f01 | 209 | |
fe4da5cc | 210 | fIshunt = 0; |
211 | delete fHits; | |
212 | delete fDigits; | |
73042f01 | 213 | delete fTPCParam; |
39c8eb58 | 214 | delete fTrackHits; //MI 15.09.2000 |
792bb11c | 215 | delete fTrackHitsOld; //MI 10.12.2001 |
407ff276 | 216 | if (fNoiseTable) delete [] fNoiseTable; |
217 | ||
fe4da5cc | 218 | } |
219 | ||
fe4da5cc | 220 | //_____________________________________________________________________________ |
221 | void AliTPC::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
222 | { | |
223 | // | |
224 | // Add a hit to the list | |
225 | // | |
39c8eb58 | 226 | // TClonesArray &lhits = *fHits; |
227 | // new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
228 | if (fHitType&1){ | |
229 | TClonesArray &lhits = *fHits; | |
230 | new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
231 | } | |
792bb11c | 232 | if (fHitType>1) |
39c8eb58 | 233 | AddHit2(track,vol,hits); |
fe4da5cc | 234 | } |
88cb7938 | 235 | |
fe4da5cc | 236 | //_____________________________________________________________________________ |
237 | void AliTPC::BuildGeometry() | |
238 | { | |
cc80f89e | 239 | |
fe4da5cc | 240 | // |
241 | // Build TPC ROOT TNode geometry for the event display | |
242 | // | |
73042f01 | 243 | TNode *nNode, *nTop; |
fe4da5cc | 244 | TTUBS *tubs; |
245 | Int_t i; | |
246 | const int kColorTPC=19; | |
1283eee5 | 247 | char name[5], title[25]; |
fe4da5cc | 248 | const Double_t kDegrad=TMath::Pi()/180; |
1283eee5 | 249 | const Double_t kRaddeg=180./TMath::Pi(); |
250 | ||
1283eee5 | 251 | |
73042f01 | 252 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); |
253 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
1283eee5 | 254 | |
73042f01 | 255 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); |
256 | Float_t outerAngleShift = fTPCParam->GetOuterAngleShift(); | |
1283eee5 | 257 | |
258 | Int_t nLo = fTPCParam->GetNInnerSector()/2; | |
259 | Int_t nHi = fTPCParam->GetNOuterSector()/2; | |
260 | ||
73042f01 | 261 | const Double_t kloAng = (Double_t)TMath::Nint(innerOpenAngle*kRaddeg); |
262 | const Double_t khiAng = (Double_t)TMath::Nint(outerOpenAngle*kRaddeg); | |
263 | const Double_t kloAngSh = (Double_t)TMath::Nint(innerAngleShift*kRaddeg); | |
264 | const Double_t khiAngSh = (Double_t)TMath::Nint(outerAngleShift*kRaddeg); | |
1283eee5 | 265 | |
266 | ||
73042f01 | 267 | const Double_t kloCorr = 1/TMath::Cos(0.5*kloAng*kDegrad); |
268 | const Double_t khiCorr = 1/TMath::Cos(0.5*khiAng*kDegrad); | |
1283eee5 | 269 | |
270 | Double_t rl,ru; | |
271 | ||
272 | ||
fe4da5cc | 273 | // |
274 | // Get ALICE top node | |
fe4da5cc | 275 | // |
1283eee5 | 276 | |
73042f01 | 277 | nTop=gAlice->GetGeometry()->GetNode("alice"); |
1283eee5 | 278 | |
279 | // inner sectors | |
280 | ||
cc80f89e | 281 | rl = fTPCParam->GetInnerRadiusLow(); |
282 | ru = fTPCParam->GetInnerRadiusUp(); | |
1283eee5 | 283 | |
284 | ||
fe4da5cc | 285 | for(i=0;i<nLo;i++) { |
286 | sprintf(name,"LS%2.2d",i); | |
1283eee5 | 287 | name[4]='\0'; |
288 | sprintf(title,"TPC low sector %3d",i); | |
289 | title[24]='\0'; | |
290 | ||
73042f01 | 291 | tubs = new TTUBS(name,title,"void",rl*kloCorr,ru*kloCorr,250., |
292 | kloAng*(i-0.5)+kloAngSh,kloAng*(i+0.5)+kloAngSh); | |
fe4da5cc | 293 | tubs->SetNumberOfDivisions(1); |
73042f01 | 294 | nTop->cd(); |
295 | nNode = new TNode(name,title,name,0,0,0,""); | |
296 | nNode->SetLineColor(kColorTPC); | |
297 | fNodes->Add(nNode); | |
fe4da5cc | 298 | } |
1283eee5 | 299 | |
fe4da5cc | 300 | // Outer sectors |
1283eee5 | 301 | |
cc80f89e | 302 | rl = fTPCParam->GetOuterRadiusLow(); |
303 | ru = fTPCParam->GetOuterRadiusUp(); | |
1283eee5 | 304 | |
fe4da5cc | 305 | for(i=0;i<nHi;i++) { |
306 | sprintf(name,"US%2.2d",i); | |
1283eee5 | 307 | name[4]='\0'; |
fe4da5cc | 308 | sprintf(title,"TPC upper sector %d",i); |
1283eee5 | 309 | title[24]='\0'; |
73042f01 | 310 | tubs = new TTUBS(name,title,"void",rl*khiCorr,ru*khiCorr,250, |
311 | khiAng*(i-0.5)+khiAngSh,khiAng*(i+0.5)+khiAngSh); | |
fe4da5cc | 312 | tubs->SetNumberOfDivisions(1); |
73042f01 | 313 | nTop->cd(); |
314 | nNode = new TNode(name,title,name,0,0,0,""); | |
315 | nNode->SetLineColor(kColorTPC); | |
316 | fNodes->Add(nNode); | |
fe4da5cc | 317 | } |
cc80f89e | 318 | |
73042f01 | 319 | } |
1283eee5 | 320 | |
fe4da5cc | 321 | //_____________________________________________________________________________ |
9bdd974b | 322 | Int_t AliTPC::DistancetoPrimitive(Int_t , Int_t ) const |
fe4da5cc | 323 | { |
324 | // | |
325 | // Calculate distance from TPC to mouse on the display | |
326 | // Dummy procedure | |
327 | // | |
328 | return 9999; | |
329 | } | |
330 | ||
9bdd974b | 331 | void AliTPC::Clusters2Tracks() const |
88cb7938 | 332 | { |
3c0f9266 | 333 | //----------------------------------------------------------------- |
334 | // This is a track finder. | |
3c0f9266 | 335 | //----------------------------------------------------------------- |
c630aafd | 336 | Error("Clusters2Tracks", |
337 | "Dummy function ! Call AliTPCtracker::Clusters2Tracks(...) instead !"); | |
88cb7938 | 338 | } |
fe4da5cc | 339 | |
596a855f | 340 | |
fe4da5cc | 341 | //_____________________________________________________________________________ |
342 | void AliTPC::CreateMaterials() | |
343 | { | |
8c555625 | 344 | //----------------------------------------------- |
37831078 | 345 | // Create Materials for for TPC simulations |
8c555625 | 346 | //----------------------------------------------- |
347 | ||
348 | //----------------------------------------------------------------- | |
349 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
350 | //----------------------------------------------------------------- | |
1283eee5 | 351 | |
73042f01 | 352 | Int_t iSXFLD=gAlice->Field()->Integ(); |
353 | Float_t sXMGMX=gAlice->Field()->Max(); | |
1283eee5 | 354 | |
355 | Float_t amat[5]; // atomic numbers | |
356 | Float_t zmat[5]; // z | |
357 | Float_t wmat[5]; // proportions | |
358 | ||
359 | Float_t density; | |
37831078 | 360 | Float_t apure[2]; |
1283eee5 | 361 | |
1283eee5 | 362 | |
37831078 | 363 | //***************** Gases ************************* |
364 | ||
365 | //------------------------------------------------- | |
1283eee5 | 366 | // pure gases |
37831078 | 367 | //------------------------------------------------- |
1283eee5 | 368 | |
37831078 | 369 | // Neon |
1283eee5 | 370 | |
371 | ||
37831078 | 372 | amat[0]= 20.18; |
373 | zmat[0]= 10.; | |
1283eee5 | 374 | density = 0.0009; |
37831078 | 375 | |
376 | apure[0]=amat[0]; | |
1283eee5 | 377 | |
37831078 | 378 | AliMaterial(20,"Ne",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 379 | |
37831078 | 380 | // Argon |
1283eee5 | 381 | |
37831078 | 382 | amat[0]= 39.948; |
383 | zmat[0]= 18.; | |
384 | density = 0.001782; | |
1283eee5 | 385 | |
37831078 | 386 | apure[1]=amat[0]; |
1283eee5 | 387 | |
37831078 | 388 | AliMaterial(21,"Ar",amat[0],zmat[0],density,999.,999.); |
389 | ||
1283eee5 | 390 | |
391 | //-------------------------------------------------------------- | |
392 | // gases - compounds | |
393 | //-------------------------------------------------------------- | |
394 | ||
395 | Float_t amol[3]; | |
396 | ||
37831078 | 397 | // CO2 |
1283eee5 | 398 | |
399 | amat[0]=12.011; | |
400 | amat[1]=15.9994; | |
401 | ||
402 | zmat[0]=6.; | |
403 | zmat[1]=8.; | |
404 | ||
405 | wmat[0]=1.; | |
406 | wmat[1]=2.; | |
407 | ||
408 | density=0.001977; | |
409 | ||
410 | amol[0] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
411 | ||
412 | AliMixture(10,"CO2",amat,zmat,density,-2,wmat); | |
37831078 | 413 | |
1283eee5 | 414 | // CF4 |
415 | ||
416 | amat[0]=12.011; | |
417 | amat[1]=18.998; | |
418 | ||
419 | zmat[0]=6.; | |
420 | zmat[1]=9.; | |
421 | ||
422 | wmat[0]=1.; | |
423 | wmat[1]=4.; | |
424 | ||
425 | density=0.003034; | |
426 | ||
427 | amol[1] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
428 | ||
429 | AliMixture(11,"CF4",amat,zmat,density,-2,wmat); | |
430 | ||
37831078 | 431 | |
1283eee5 | 432 | // CH4 |
433 | ||
434 | amat[0]=12.011; | |
435 | amat[1]=1.; | |
436 | ||
437 | zmat[0]=6.; | |
438 | zmat[1]=1.; | |
439 | ||
440 | wmat[0]=1.; | |
441 | wmat[1]=4.; | |
442 | ||
443 | density=0.000717; | |
444 | ||
445 | amol[2] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
446 | ||
447 | AliMixture(12,"CH4",amat,zmat,density,-2,wmat); | |
448 | ||
449 | //---------------------------------------------------------------- | |
450 | // gases - mixtures, ID >= 20 pure gases, <= 10 ID < 20 -compounds | |
451 | //---------------------------------------------------------------- | |
37831078 | 452 | |
00d6d986 | 453 | char namate[21]=""; |
1283eee5 | 454 | density = 0.; |
455 | Float_t am=0; | |
456 | Int_t nc; | |
9bdd974b | 457 | Float_t rho,absl,x0,buf[1]; |
1283eee5 | 458 | Int_t nbuf; |
37831078 | 459 | Float_t a,z; |
1283eee5 | 460 | |
461 | for(nc = 0;nc<fNoComp;nc++) | |
462 | { | |
463 | ||
464 | // retrive material constants | |
465 | ||
9bdd974b | 466 | gMC->Gfmate((*fIdmate)[fMixtComp[nc]],namate,a,z,rho,x0,absl,buf,nbuf); |
1283eee5 | 467 | |
468 | amat[nc] = a; | |
469 | zmat[nc] = z; | |
470 | ||
471 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
472 | ||
37831078 | 473 | am += fMixtProp[nc]*((fMixtComp[nc]>=20) ? apure[nnc] : amol[nnc]); |
1283eee5 | 474 | density += fMixtProp[nc]*rho; // density of the mixture |
475 | ||
476 | } | |
477 | ||
478 | // mixture proportions by weight! | |
479 | ||
480 | for(nc = 0;nc<fNoComp;nc++) | |
481 | { | |
482 | ||
483 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
484 | ||
37831078 | 485 | wmat[nc] = fMixtProp[nc]*((fMixtComp[nc]>=20) ? |
486 | apure[nnc] : amol[nnc])/am; | |
487 | ||
488 | } | |
489 | ||
490 | // Drift gases 1 - nonsensitive, 2 - sensitive | |
1283eee5 | 491 | |
1283eee5 | 492 | AliMixture(31,"Drift gas 1",amat,zmat,density,fNoComp,wmat); |
493 | AliMixture(32,"Drift gas 2",amat,zmat,density,fNoComp,wmat); | |
1283eee5 | 494 | |
1283eee5 | 495 | |
37831078 | 496 | // Air |
497 | ||
498 | amat[0] = 14.61; | |
499 | zmat[0] = 7.3; | |
500 | density = 0.001205; | |
1283eee5 | 501 | |
37831078 | 502 | AliMaterial(24,"Air",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 503 | |
1283eee5 | 504 | |
505 | //---------------------------------------------------------------------- | |
506 | // solid materials | |
507 | //---------------------------------------------------------------------- | |
508 | ||
1283eee5 | 509 | |
37831078 | 510 | // Kevlar C14H22O2N2 |
1283eee5 | 511 | |
37831078 | 512 | amat[0] = 12.011; |
513 | amat[1] = 1.; | |
514 | amat[2] = 15.999; | |
515 | amat[3] = 14.006; | |
1283eee5 | 516 | |
37831078 | 517 | zmat[0] = 6.; |
518 | zmat[1] = 1.; | |
519 | zmat[2] = 8.; | |
520 | zmat[3] = 7.; | |
521 | ||
522 | wmat[0] = 14.; | |
523 | wmat[1] = 22.; | |
524 | wmat[2] = 2.; | |
525 | wmat[3] = 2.; | |
526 | ||
527 | density = 1.45; | |
528 | ||
529 | AliMixture(34,"Kevlar",amat,zmat,density,-4,wmat); | |
530 | ||
531 | // NOMEX | |
1283eee5 | 532 | |
37831078 | 533 | amat[0] = 12.011; |
534 | amat[1] = 1.; | |
535 | amat[2] = 15.999; | |
536 | amat[3] = 14.006; | |
537 | ||
538 | zmat[0] = 6.; | |
539 | zmat[1] = 1.; | |
540 | zmat[2] = 8.; | |
541 | zmat[3] = 7.; | |
542 | ||
543 | wmat[0] = 14.; | |
544 | wmat[1] = 22.; | |
545 | wmat[2] = 2.; | |
546 | wmat[3] = 2.; | |
547 | ||
548 | density = 0.03; | |
1283eee5 | 549 | |
fe4da5cc | 550 | |
37831078 | 551 | AliMixture(35,"NOMEX",amat,zmat,density,-4,wmat); |
552 | ||
553 | // Makrolon C16H18O3 | |
554 | ||
555 | amat[0] = 12.011; | |
556 | amat[1] = 1.; | |
557 | amat[2] = 15.999; | |
1283eee5 | 558 | |
37831078 | 559 | zmat[0] = 6.; |
560 | zmat[1] = 1.; | |
561 | zmat[2] = 8.; | |
562 | ||
563 | wmat[0] = 16.; | |
564 | wmat[1] = 18.; | |
565 | wmat[2] = 3.; | |
566 | ||
567 | density = 1.2; | |
568 | ||
569 | AliMixture(36,"Makrolon",amat,zmat,density,-3,wmat); | |
570 | ||
1283eee5 | 571 | // Mylar C5H4O2 |
572 | ||
573 | amat[0]=12.011; | |
574 | amat[1]=1.; | |
575 | amat[2]=15.9994; | |
576 | ||
577 | zmat[0]=6.; | |
578 | zmat[1]=1.; | |
579 | zmat[2]=8.; | |
580 | ||
581 | wmat[0]=5.; | |
582 | wmat[1]=4.; | |
583 | wmat[2]=2.; | |
584 | ||
585 | density = 1.39; | |
fe4da5cc | 586 | |
37831078 | 587 | AliMixture(37, "Mylar",amat,zmat,density,-3,wmat); |
1283eee5 | 588 | |
ba1d05f9 | 589 | // SiO2 - used later for the glass fiber |
1283eee5 | 590 | |
37831078 | 591 | amat[0]=28.086; |
592 | amat[1]=15.9994; | |
1283eee5 | 593 | |
37831078 | 594 | zmat[0]=14.; |
595 | zmat[1]=8.; | |
1283eee5 | 596 | |
37831078 | 597 | wmat[0]=1.; |
598 | wmat[1]=2.; | |
1283eee5 | 599 | |
1283eee5 | 600 | |
ba1d05f9 | 601 | AliMixture(38,"SiO2",amat,zmat,2.2,-2,wmat); //SiO2 - quartz (rho=2.2) |
1283eee5 | 602 | |
37831078 | 603 | // Al |
1283eee5 | 604 | |
37831078 | 605 | amat[0] = 26.98; |
606 | zmat[0] = 13.; | |
1283eee5 | 607 | |
37831078 | 608 | density = 2.7; |
1283eee5 | 609 | |
37831078 | 610 | AliMaterial(40,"Al",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 611 | |
37831078 | 612 | // Si |
1283eee5 | 613 | |
37831078 | 614 | amat[0] = 28.086; |
9a3667bd | 615 | zmat[0] = 14.; |
1283eee5 | 616 | |
37831078 | 617 | density = 2.33; |
1283eee5 | 618 | |
37831078 | 619 | AliMaterial(41,"Si",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 620 | |
37831078 | 621 | // Cu |
1283eee5 | 622 | |
37831078 | 623 | amat[0] = 63.546; |
624 | zmat[0] = 29.; | |
1283eee5 | 625 | |
37831078 | 626 | density = 8.96; |
1283eee5 | 627 | |
37831078 | 628 | AliMaterial(42,"Cu",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 629 | |
37831078 | 630 | // Tedlar C2H3F |
1283eee5 | 631 | |
37831078 | 632 | amat[0] = 12.011; |
633 | amat[1] = 1.; | |
634 | amat[2] = 18.998; | |
1283eee5 | 635 | |
37831078 | 636 | zmat[0] = 6.; |
637 | zmat[1] = 1.; | |
638 | zmat[2] = 9.; | |
1283eee5 | 639 | |
37831078 | 640 | wmat[0] = 2.; |
641 | wmat[1] = 3.; | |
642 | wmat[2] = 1.; | |
1283eee5 | 643 | |
37831078 | 644 | density = 1.71; |
1283eee5 | 645 | |
37831078 | 646 | AliMixture(43, "Tedlar",amat,zmat,density,-3,wmat); |
1283eee5 | 647 | |
1283eee5 | 648 | |
37831078 | 649 | // Plexiglas C5H8O2 |
1283eee5 | 650 | |
37831078 | 651 | amat[0]=12.011; |
652 | amat[1]=1.; | |
653 | amat[2]=15.9994; | |
1283eee5 | 654 | |
37831078 | 655 | zmat[0]=6.; |
656 | zmat[1]=1.; | |
657 | zmat[2]=8.; | |
1283eee5 | 658 | |
37831078 | 659 | wmat[0]=5.; |
660 | wmat[1]=8.; | |
661 | wmat[2]=2.; | |
1283eee5 | 662 | |
37831078 | 663 | density=1.18; |
1283eee5 | 664 | |
37831078 | 665 | AliMixture(44,"Plexiglas",amat,zmat,density,-3,wmat); |
1283eee5 | 666 | |
ba1d05f9 | 667 | // Epoxy - C14 H20 O3 |
1283eee5 | 668 | |
5a28a08f | 669 | |
670 | amat[0]=12.011; | |
671 | amat[1]=1.; | |
672 | amat[2]=15.9994; | |
673 | ||
674 | zmat[0]=6.; | |
675 | zmat[1]=1.; | |
676 | zmat[2]=8.; | |
677 | ||
ba1d05f9 | 678 | wmat[0]=14.; |
679 | wmat[1]=20.; | |
5a28a08f | 680 | wmat[2]=3.; |
681 | ||
ba1d05f9 | 682 | density=1.25; |
5a28a08f | 683 | |
684 | AliMixture(45,"Epoxy",amat,zmat,density,-3,wmat); | |
37831078 | 685 | |
ba1d05f9 | 686 | // Carbon |
687 | ||
688 | amat[0]=12.011; | |
689 | zmat[0]=6.; | |
690 | density= 2.265; | |
691 | ||
692 | AliMaterial(46,"C",amat[0],zmat[0],density,999.,999.); | |
693 | ||
694 | // get epoxy | |
695 | ||
9bdd974b | 696 | gMC->Gfmate((*fIdmate)[45],namate,amat[1],zmat[1],rho,x0,absl,buf,nbuf); |
ba1d05f9 | 697 | |
698 | // Carbon fiber | |
699 | ||
700 | wmat[0]=0.644; // by weight! | |
701 | wmat[1]=0.356; | |
702 | ||
703 | density=0.5*(1.25+2.265); | |
704 | ||
705 | AliMixture(47,"Cfiber",amat,zmat,density,2,wmat); | |
706 | ||
707 | // get SiO2 | |
708 | ||
9bdd974b | 709 | gMC->Gfmate((*fIdmate)[38],namate,amat[0],zmat[0],rho,x0,absl,buf,nbuf); |
ba1d05f9 | 710 | |
711 | wmat[0]=0.725; // by weight! | |
712 | wmat[1]=0.275; | |
713 | ||
714 | density=1.7; | |
715 | ||
716 | AliMixture(39,"G10",amat,zmat,density,2,wmat); | |
717 | ||
718 | ||
719 | ||
720 | ||
37831078 | 721 | //---------------------------------------------------------- |
722 | // tracking media for gases | |
723 | //---------------------------------------------------------- | |
724 | ||
725 | AliMedium(0, "Air", 24, 0, iSXFLD, sXMGMX, 10., 999., .1, .01, .1); | |
726 | AliMedium(1, "Drift gas 1", 31, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
727 | AliMedium(2, "Drift gas 2", 32, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
728 | AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001); | |
729 | ||
730 | //----------------------------------------------------------- | |
731 | // tracking media for solids | |
732 | //----------------------------------------------------------- | |
733 | ||
734 | AliMedium(4,"Al",40,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
735 | AliMedium(5,"Kevlar",34,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
736 | AliMedium(6,"Nomex",35,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
737 | AliMedium(7,"Makrolon",36,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
738 | AliMedium(8,"Mylar",37,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
739 | AliMedium(9,"Tedlar",43,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
740 | AliMedium(10,"Cu",42,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
741 | AliMedium(11,"Si",41,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
742 | AliMedium(12,"G10",39,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
743 | AliMedium(13,"Plexiglas",44,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
5a28a08f | 744 | AliMedium(14,"Epoxy",45,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); |
ba1d05f9 | 745 | AliMedium(15,"Cfiber",47,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); |
1283eee5 | 746 | |
fe4da5cc | 747 | } |
748 | ||
407ff276 | 749 | void AliTPC::GenerNoise(Int_t tablesize) |
750 | { | |
751 | // | |
752 | //Generate table with noise | |
753 | // | |
754 | if (fTPCParam==0) { | |
755 | // error message | |
756 | fNoiseDepth=0; | |
757 | return; | |
758 | } | |
759 | if (fNoiseTable) delete[] fNoiseTable; | |
760 | fNoiseTable = new Float_t[tablesize]; | |
761 | fNoiseDepth = tablesize; | |
762 | fCurrentNoise =0; //!index of the noise in the noise table | |
763 | ||
764 | Float_t norm = fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac(); | |
765 | for (Int_t i=0;i<tablesize;i++) fNoiseTable[i]= gRandom->Gaus(0,norm); | |
766 | } | |
767 | ||
768 | Float_t AliTPC::GetNoise() | |
769 | { | |
770 | // get noise from table | |
771 | // if ((fCurrentNoise%10)==0) | |
772 | // fCurrentNoise= gRandom->Rndm()*fNoiseDepth; | |
773 | if (fCurrentNoise>=fNoiseDepth) fCurrentNoise=0; | |
774 | return fNoiseTable[fCurrentNoise++]; | |
775 | //gRandom->Gaus(0, fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac()); | |
776 | } | |
777 | ||
778 | ||
9bdd974b | 779 | Bool_t AliTPC::IsSectorActive(Int_t sec) const |
792bb11c | 780 | { |
781 | // | |
782 | // check if the sector is active | |
783 | if (!fActiveSectors) return kTRUE; | |
784 | else return fActiveSectors[sec]; | |
785 | } | |
786 | ||
787 | void AliTPC::SetActiveSectors(Int_t * sectors, Int_t n) | |
788 | { | |
789 | // activate interesting sectors | |
88cb7938 | 790 | SetTreeAddress();//just for security |
792bb11c | 791 | if (fActiveSectors) delete [] fActiveSectors; |
792 | fActiveSectors = new Bool_t[fTPCParam->GetNSector()]; | |
793 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE; | |
794 | for (Int_t i=0;i<n;i++) | |
795 | if ((sectors[i]>=0) && sectors[i]<fTPCParam->GetNSector()) fActiveSectors[sectors[i]]=kTRUE; | |
796 | ||
797 | } | |
798 | ||
12d8d654 | 799 | void AliTPC::SetActiveSectors(Int_t flag) |
792bb11c | 800 | { |
801 | // | |
802 | // activate sectors which were hitted by tracks | |
803 | //loop over tracks | |
88cb7938 | 804 | SetTreeAddress();//just for security |
792bb11c | 805 | if (fHitType==0) return; // if Clones hit - not short volume ID information |
806 | if (fActiveSectors) delete [] fActiveSectors; | |
807 | fActiveSectors = new Bool_t[fTPCParam->GetNSector()]; | |
12d8d654 | 808 | if (flag) { |
809 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kTRUE; | |
810 | return; | |
811 | } | |
792bb11c | 812 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE; |
813 | TBranch * branch=0; | |
88cb7938 | 814 | if (TreeH() == 0x0) |
815 | { | |
816 | Fatal("SetActiveSectors","Can not find TreeH in folder"); | |
817 | return; | |
818 | } | |
819 | if (fHitType>1) branch = TreeH()->GetBranch("TPC2"); | |
820 | else branch = TreeH()->GetBranch("TPC"); | |
821 | Stat_t ntracks = TreeH()->GetEntries(); | |
792bb11c | 822 | // loop over all hits |
f540341d | 823 | if (GetDebug()) cout<<"\nAliTPC::SetActiveSectors(): Got "<<ntracks<<" tracks\n"; |
88cb7938 | 824 | |
825 | for(Int_t track=0;track<ntracks;track++) | |
826 | { | |
792bb11c | 827 | ResetHits(); |
828 | // | |
829 | if (fTrackHits && fHitType&4) { | |
88cb7938 | 830 | TBranch * br1 = TreeH()->GetBranch("fVolumes"); |
831 | TBranch * br2 = TreeH()->GetBranch("fNVolumes"); | |
792bb11c | 832 | br1->GetEvent(track); |
833 | br2->GetEvent(track); | |
834 | Int_t *volumes = fTrackHits->GetVolumes(); | |
835 | for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++) | |
836 | fActiveSectors[volumes[j]]=kTRUE; | |
837 | } | |
838 | ||
839 | // | |
840 | if (fTrackHitsOld && fHitType&2) { | |
88cb7938 | 841 | TBranch * br = TreeH()->GetBranch("fTrackHitsInfo"); |
792bb11c | 842 | br->GetEvent(track); |
843 | AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo; | |
844 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
845 | fActiveSectors[((AliTrackHitsInfo*)ar->At(j))->fVolumeID] =kTRUE; | |
846 | } | |
847 | } | |
848 | } | |
792bb11c | 849 | } |
850 | ||
851 | ||
852 | ||
fe4da5cc | 853 | |
9bdd974b | 854 | void AliTPC::Digits2Clusters(Int_t /*eventnumber*/) const |
fe4da5cc | 855 | { |
3c0f9266 | 856 | //----------------------------------------------------------------- |
857 | // This is a simple cluster finder. | |
3c0f9266 | 858 | //----------------------------------------------------------------- |
c630aafd | 859 | Error("Digits2Clusters", |
860 | "Dummy function ! Call AliTPCclusterer::Digits2Clusters(...) instead !"); | |
fe4da5cc | 861 | } |
862 | ||
0421c3d1 | 863 | |
864 | //_____________________________________________________________________________ | |
865 | void AliTPC::Digits2Raw() | |
866 | { | |
867 | // convert digits of the current event to raw data | |
868 | ||
869 | static const Int_t kThreshold = 0; | |
870 | static const Bool_t kCompress = kTRUE; | |
871 | ||
872 | fLoader->LoadDigits(); | |
873 | TTree* digits = fLoader->TreeD(); | |
874 | if (!digits) { | |
875 | Error("Digits2Raw", "no digits tree"); | |
876 | return; | |
877 | } | |
878 | ||
879 | AliSimDigits digarr; | |
880 | AliSimDigits* digrow = &digarr; | |
881 | digits->GetBranch("Segment")->SetAddress(&digrow); | |
882 | ||
883 | const char* fileName = "AliTPCDDL.dat"; | |
884 | AliTPCBuffer* buffer = new AliTPCBuffer(fileName); | |
885 | //Verbose level | |
886 | // 0: Silent | |
887 | // 1: cout messages | |
888 | // 2: txt files with digits | |
889 | //BE CAREFUL, verbose level 2 MUST be used only for debugging and | |
890 | //it is highly suggested to use this mode only for debugging digits files | |
891 | //reasonably small, because otherwise the size of the txt files can reach | |
892 | //quickly several MB wasting time and disk space. | |
893 | buffer->SetVerbose(0); | |
894 | ||
895 | Int_t nEntries = Int_t(digits->GetEntries()); | |
896 | Int_t previousSector = -1; | |
897 | Int_t subSector = 0; | |
898 | for (Int_t i = 0; i < nEntries; i++) { | |
899 | digits->GetEntry(i); | |
900 | Int_t sector, row; | |
901 | fTPCParam->AdjustSectorRow(digarr.GetID(), sector, row); | |
902 | if(previousSector != sector) { | |
903 | subSector = 0; | |
904 | previousSector = sector; | |
905 | } | |
906 | ||
907 | if (sector < 36) { //inner sector [0;35] | |
908 | if (row != 30) { | |
909 | //the whole row is written into the output file | |
910 | buffer->WriteRowBinary(kThreshold, digrow, 0, 0, 0, | |
911 | sector, subSector, row); | |
912 | } else { | |
913 | //only the pads in the range [37;48] are written into the output file | |
914 | buffer->WriteRowBinary(kThreshold, digrow, 37, 48, 1, | |
915 | sector, subSector, row); | |
916 | subSector = 1; | |
917 | //only the pads outside the range [37;48] are written into the output file | |
918 | buffer->WriteRowBinary(kThreshold, digrow, 37, 48, 2, | |
919 | sector, subSector, row); | |
920 | }//end else | |
921 | ||
922 | } else { //outer sector [36;71] | |
923 | if (row == 54) subSector = 2; | |
924 | if ((row != 27) && (row != 76)) { | |
925 | buffer->WriteRowBinary(kThreshold, digrow, 0, 0, 0, | |
926 | sector, subSector, row); | |
927 | } else if (row == 27) { | |
928 | //only the pads outside the range [43;46] are written into the output file | |
929 | buffer->WriteRowBinary(kThreshold, digrow, 43, 46, 2, | |
930 | sector, subSector, row); | |
931 | subSector = 1; | |
932 | //only the pads in the range [43;46] are written into the output file | |
933 | buffer->WriteRowBinary(kThreshold, digrow, 43, 46, 1, | |
934 | sector, subSector, row); | |
935 | } else if (row == 76) { | |
936 | //only the pads outside the range [33;88] are written into the output file | |
937 | buffer->WriteRowBinary(kThreshold, digrow, 33, 88, 2, | |
938 | sector, subSector, row); | |
939 | subSector = 3; | |
940 | //only the pads in the range [33;88] are written into the output file | |
941 | buffer->WriteRowBinary(kThreshold, digrow, 33, 88, 1, | |
942 | sector, subSector, row); | |
943 | } | |
944 | }//end else | |
945 | }//end for | |
946 | ||
947 | delete buffer; | |
948 | fLoader->UnloadDigits(); | |
949 | ||
950 | AliTPCDDLRawData rawWriter; | |
951 | rawWriter.SetVerbose(0); | |
952 | ||
953 | rawWriter.RawData(fileName); | |
954 | gSystem->Unlink(fileName); | |
955 | ||
956 | if (kCompress) { | |
957 | Info("Digits2Raw", "compressing raw data"); | |
958 | rawWriter.RawDataCompDecompress(kTRUE); | |
959 | gSystem->Unlink("Statistics"); | |
960 | } | |
961 | } | |
962 | ||
963 | ||
73042f01 | 964 | extern Double_t SigmaY2(Double_t, Double_t, Double_t); |
965 | extern Double_t SigmaZ2(Double_t, Double_t); | |
fe4da5cc | 966 | //_____________________________________________________________________________ |
176aff27 | 967 | void AliTPC::Hits2Clusters(Int_t /*eventn*/) |
fe4da5cc | 968 | { |
8c555625 | 969 | //-------------------------------------------------------- |
fe4da5cc | 970 | // TPC simple cluster generator from hits |
971 | // obtained from the TPC Fast Simulator | |
8c555625 | 972 | // The point errors are taken from the parametrization |
973 | //-------------------------------------------------------- | |
974 | ||
975 | //----------------------------------------------------------------- | |
976 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
977 | //----------------------------------------------------------------- | |
73042f01 | 978 | // Adopted to Marian's cluster data structure by I.Belikov, CERN, |
979 | // Jouri.Belikov@cern.ch | |
980 | //---------------------------------------------------------------- | |
981 | ||
982 | ///////////////////////////////////////////////////////////////////////////// | |
983 | // | |
984 | //--------------------------------------------------------------------- | |
985 | // ALICE TPC Cluster Parameters | |
986 | //-------------------------------------------------------------------- | |
987 | ||
988 | ||
989 | ||
990 | // Cluster width in rphi | |
991 | const Float_t kACrphi=0.18322; | |
992 | const Float_t kBCrphi=0.59551e-3; | |
993 | const Float_t kCCrphi=0.60952e-1; | |
994 | // Cluster width in z | |
995 | const Float_t kACz=0.19081; | |
996 | const Float_t kBCz=0.55938e-3; | |
997 | const Float_t kCCz=0.30428; | |
998 | ||
73042f01 | 999 | |
88cb7938 | 1000 | if (!fLoader) { |
73042f01 | 1001 | cerr<<"AliTPC::Hits2Clusters(): output file not open !\n"; |
1002 | return; | |
1003 | } | |
3c0f9266 | 1004 | |
afc42102 | 1005 | //if(fDefaults == 0) SetDefaults(); |
cc80f89e | 1006 | |
73042f01 | 1007 | Float_t sigmaRphi,sigmaZ,clRphi,clZ; |
fe4da5cc | 1008 | // |
1578254f | 1009 | TParticle *particle; // pointer to a given particle |
fe4da5cc | 1010 | AliTPChit *tpcHit; // pointer to a sigle TPC hit |
39c8eb58 | 1011 | Int_t sector; |
fe4da5cc | 1012 | Int_t ipart; |
1013 | Float_t xyz[5]; | |
1014 | Float_t pl,pt,tanth,rpad,ratio; | |
fe4da5cc | 1015 | Float_t cph,sph; |
1016 | ||
1017 | //--------------------------------------------------------------- | |
1018 | // Get the access to the tracks | |
1019 | //--------------------------------------------------------------- | |
1020 | ||
88cb7938 | 1021 | TTree *tH = TreeH(); |
1022 | if (tH == 0x0) | |
1023 | { | |
1024 | Fatal("Hits2Clusters","Can not find TreeH in folder"); | |
1025 | return; | |
1026 | } | |
1027 | SetTreeAddress(); | |
1028 | ||
73042f01 | 1029 | Stat_t ntracks = tH->GetEntries(); |
73042f01 | 1030 | |
1031 | //Switch to the output file | |
88cb7938 | 1032 | |
1033 | if (fLoader->TreeR() == 0x0) fLoader->MakeTree("R"); | |
1034 | ||
1035 | cout<<"fTPCParam->GetTitle() = "<<fTPCParam->GetTitle()<<endl; | |
1036 | ||
024a7e64 | 1037 | AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName()); |
88cb7938 | 1038 | rl->CdGAFile(); |
c630aafd | 1039 | //fTPCParam->Write(fTPCParam->GetTitle()); |
88cb7938 | 1040 | |
73042f01 | 1041 | AliTPCClustersArray carray; |
1042 | carray.Setup(fTPCParam); | |
1043 | carray.SetClusterType("AliTPCcluster"); | |
88cb7938 | 1044 | carray.MakeTree(fLoader->TreeR()); |
73042f01 | 1045 | |
1046 | Int_t nclusters=0; //cluster counter | |
fe4da5cc | 1047 | |
1048 | //------------------------------------------------------------ | |
cc80f89e | 1049 | // Loop over all sectors (72 sectors for 20 deg |
1050 | // segmentation for both lower and upper sectors) | |
1051 | // Sectors 0-35 are lower sectors, 0-17 z>0, 17-35 z<0 | |
3c0f9266 | 1052 | // Sectors 36-71 are upper sectors, 36-53 z>0, 54-71 z<0 |
fe4da5cc | 1053 | // |
3c0f9266 | 1054 | // First cluster for sector 0 starts at "0" |
fe4da5cc | 1055 | //------------------------------------------------------------ |
cc80f89e | 1056 | |
1057 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++){ | |
8c555625 | 1058 | //MI change |
cc80f89e | 1059 | fTPCParam->AdjustCosSin(isec,cph,sph); |
fe4da5cc | 1060 | |
1061 | //------------------------------------------------------------ | |
1062 | // Loop over tracks | |
1063 | //------------------------------------------------------------ | |
1064 | ||
1065 | for(Int_t track=0;track<ntracks;track++){ | |
1066 | ResetHits(); | |
73042f01 | 1067 | tH->GetEvent(track); |
fe4da5cc | 1068 | // |
73042f01 | 1069 | // Get number of the TPC hits |
792bb11c | 1070 | // |
39c8eb58 | 1071 | tpcHit = (AliTPChit*)FirstHit(-1); |
1072 | ||
fe4da5cc | 1073 | // Loop over hits |
1074 | // | |
39c8eb58 | 1075 | while(tpcHit){ |
1076 | ||
1077 | if (tpcHit->fQ == 0.) { | |
1078 | tpcHit = (AliTPChit*) NextHit(); | |
1079 | continue; //information about track (I.Belikov) | |
1080 | } | |
fe4da5cc | 1081 | sector=tpcHit->fSector; // sector number |
39c8eb58 | 1082 | |
39c8eb58 | 1083 | if(sector != isec){ |
1084 | tpcHit = (AliTPChit*) NextHit(); | |
1085 | continue; | |
1086 | } | |
94de3818 | 1087 | ipart=tpcHit->Track(); |
5d12ce38 | 1088 | particle=gAlice->GetMCApp()->Particle(ipart); |
1578254f | 1089 | pl=particle->Pz(); |
1090 | pt=particle->Pt(); | |
fe4da5cc | 1091 | if(pt < 1.e-9) pt=1.e-9; |
1092 | tanth=pl/pt; | |
1093 | tanth = TMath::Abs(tanth); | |
94de3818 | 1094 | rpad=TMath::Sqrt(tpcHit->X()*tpcHit->X() + tpcHit->Y()*tpcHit->Y()); |
fe4da5cc | 1095 | ratio=0.001*rpad/pt; // pt must be in MeV/c - historical reason |
73042f01 | 1096 | |
fe4da5cc | 1097 | // space-point resolutions |
1098 | ||
73042f01 | 1099 | sigmaRphi=SigmaY2(rpad,tanth,pt); |
1100 | sigmaZ =SigmaZ2(rpad,tanth ); | |
fe4da5cc | 1101 | |
1102 | // cluster widths | |
1103 | ||
73042f01 | 1104 | clRphi=kACrphi-kBCrphi*rpad*tanth+kCCrphi*ratio*ratio; |
1105 | clZ=kACz-kBCz*rpad*tanth+kCCz*tanth*tanth; | |
fe4da5cc | 1106 | |
1107 | // temporary protection | |
1108 | ||
73042f01 | 1109 | if(sigmaRphi < 0.) sigmaRphi=0.4e-3; |
1110 | if(sigmaZ < 0.) sigmaZ=0.4e-3; | |
1111 | if(clRphi < 0.) clRphi=2.5e-3; | |
1112 | if(clZ < 0.) clZ=2.5e-5; | |
fe4da5cc | 1113 | |
1114 | // | |
cc80f89e | 1115 | |
1116 | // | |
1117 | // smearing --> rotate to the 1 (13) or to the 25 (49) sector, | |
fe4da5cc | 1118 | // then the inaccuracy in a X-Y plane is only along Y (pad row)! |
1119 | // | |
94de3818 | 1120 | Float_t xprim= tpcHit->X()*cph + tpcHit->Y()*sph; |
1121 | Float_t yprim=-tpcHit->X()*sph + tpcHit->Y()*cph; | |
73042f01 | 1122 | xyz[0]=gRandom->Gaus(yprim,TMath::Sqrt(sigmaRphi)); // y |
1123 | Float_t alpha=(isec < fTPCParam->GetNInnerSector()) ? | |
1124 | fTPCParam->GetInnerAngle() : fTPCParam->GetOuterAngle(); | |
1125 | Float_t ymax=xprim*TMath::Tan(0.5*alpha); | |
1126 | if (TMath::Abs(xyz[0])>ymax) xyz[0]=yprim; | |
94de3818 | 1127 | xyz[1]=gRandom->Gaus(tpcHit->Z(),TMath::Sqrt(sigmaZ)); // z |
1128 | if (TMath::Abs(xyz[1])>fTPCParam->GetZLength()) xyz[1]=tpcHit->Z(); | |
39c8eb58 | 1129 | xyz[2]=sigmaRphi; // fSigmaY2 |
1130 | xyz[3]=sigmaZ; // fSigmaZ2 | |
1131 | xyz[4]=tpcHit->fQ; // q | |
73042f01 | 1132 | |
1133 | AliTPCClustersRow *clrow=carray.GetRow(sector,tpcHit->fPadRow); | |
1134 | if (!clrow) clrow=carray.CreateRow(sector,tpcHit->fPadRow); | |
1135 | ||
94de3818 | 1136 | Int_t tracks[3]={tpcHit->Track(), -1, -1}; |
39c8eb58 | 1137 | AliTPCcluster cluster(tracks,xyz); |
73042f01 | 1138 | |
1139 | clrow->InsertCluster(&cluster); nclusters++; | |
1140 | ||
39c8eb58 | 1141 | tpcHit = (AliTPChit*)NextHit(); |
1142 | ||
1143 | ||
fe4da5cc | 1144 | } // end of loop over hits |
73042f01 | 1145 | |
1146 | } // end of loop over tracks | |
1147 | ||
1148 | Int_t nrows=fTPCParam->GetNRow(isec); | |
1149 | for (Int_t irow=0; irow<nrows; irow++) { | |
1150 | AliTPCClustersRow *clrow=carray.GetRow(isec,irow); | |
1151 | if (!clrow) continue; | |
1152 | carray.StoreRow(isec,irow); | |
1153 | carray.ClearRow(isec,irow); | |
1154 | } | |
1155 | ||
cc80f89e | 1156 | } // end of loop over sectors |
73042f01 | 1157 | |
f540341d | 1158 | // cerr<<"Number of made clusters : "<<nclusters<<" \n"; |
88cb7938 | 1159 | fLoader->WriteRecPoints("OVERWRITE"); |
1160 | ||
cc80f89e | 1161 | |
1162 | } // end of function | |
1163 | ||
1164 | //_________________________________________________________________ | |
1165 | void AliTPC::Hits2ExactClustersSector(Int_t isec) | |
1166 | { | |
1167 | //-------------------------------------------------------- | |
1168 | //calculate exact cross point of track and given pad row | |
1169 | //resulting values are expressed in "digit" coordinata | |
1170 | //-------------------------------------------------------- | |
1171 | ||
1172 | //----------------------------------------------------------------- | |
1173 | // Origin: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de | |
1174 | //----------------------------------------------------------------- | |
1175 | // | |
1176 | if (fClustersArray==0){ | |
1177 | return; | |
1178 | } | |
1179 | // | |
1180 | TParticle *particle; // pointer to a given particle | |
1181 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
5f16d237 | 1182 | // Int_t sector,nhits; |
cc80f89e | 1183 | Int_t ipart; |
73042f01 | 1184 | const Int_t kcmaxhits=30000; |
de61d5d5 | 1185 | AliTPCFastVector * xxxx = new AliTPCFastVector(kcmaxhits*4); |
1186 | AliTPCFastVector & xxx = *xxxx; | |
73042f01 | 1187 | Int_t maxhits = kcmaxhits; |
cc80f89e | 1188 | //construct array for each padrow |
1189 | for (Int_t i=0; i<fTPCParam->GetNRow(isec);i++) | |
1190 | fClustersArray->CreateRow(isec,i); | |
fe4da5cc | 1191 | |
cc80f89e | 1192 | //--------------------------------------------------------------- |
1193 | // Get the access to the tracks | |
1194 | //--------------------------------------------------------------- | |
1195 | ||
88cb7938 | 1196 | TTree *tH = TreeH(); |
1197 | if (tH == 0x0) | |
1198 | { | |
1199 | Fatal("Hits2Clusters","Can not find TreeH in folder"); | |
1200 | return; | |
1201 | } | |
1202 | SetTreeAddress(); | |
1203 | ||
73042f01 | 1204 | Stat_t ntracks = tH->GetEntries(); |
5d12ce38 | 1205 | Int_t npart = gAlice->GetMCApp()->GetNtrack(); |
5f16d237 | 1206 | //MI change |
1207 | TBranch * branch=0; | |
792bb11c | 1208 | if (fHitType>1) branch = tH->GetBranch("TPC2"); |
5f16d237 | 1209 | else branch = tH->GetBranch("TPC"); |
1210 | ||
cc80f89e | 1211 | //------------------------------------------------------------ |
1212 | // Loop over tracks | |
1213 | //------------------------------------------------------------ | |
792bb11c | 1214 | |
5f16d237 | 1215 | for(Int_t track=0;track<ntracks;track++){ |
1216 | Bool_t isInSector=kTRUE; | |
cc80f89e | 1217 | ResetHits(); |
792bb11c | 1218 | isInSector = TrackInVolume(isec,track); |
5f16d237 | 1219 | if (!isInSector) continue; |
1220 | //MI change | |
1221 | branch->GetEntry(track); // get next track | |
cc80f89e | 1222 | // |
1223 | // Get number of the TPC hits and a pointer | |
1224 | // to the particles | |
cc80f89e | 1225 | // Loop over hits |
1226 | // | |
1227 | Int_t currentIndex=0; | |
1228 | Int_t lastrow=-1; //last writen row | |
5f16d237 | 1229 | |
1230 | //M.I. changes | |
1231 | ||
1232 | tpcHit = (AliTPChit*)FirstHit(-1); | |
1233 | while(tpcHit){ | |
1234 | ||
1235 | Int_t sector=tpcHit->fSector; // sector number | |
1236 | if(sector != isec){ | |
1237 | tpcHit = (AliTPChit*) NextHit(); | |
1238 | continue; | |
1239 | } | |
1240 | ||
94de3818 | 1241 | ipart=tpcHit->Track(); |
5d12ce38 | 1242 | if (ipart<npart) particle=gAlice->GetMCApp()->Particle(ipart); |
cc80f89e | 1243 | |
1244 | //find row number | |
1245 | ||
94de3818 | 1246 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; |
cc80f89e | 1247 | Int_t index[3]={1,isec,0}; |
1248 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
5f16d237 | 1249 | if (currentrow<0) {tpcHit = (AliTPChit*)NextHit(); continue;} |
cc80f89e | 1250 | if (lastrow<0) lastrow=currentrow; |
1251 | if (currentrow==lastrow){ | |
1252 | if ( currentIndex>=maxhits){ | |
73042f01 | 1253 | maxhits+=kcmaxhits; |
cc80f89e | 1254 | xxx.ResizeTo(4*maxhits); |
1255 | } | |
1256 | xxx(currentIndex*4)=x[0]; | |
1257 | xxx(currentIndex*4+1)=x[1]; | |
1258 | xxx(currentIndex*4+2)=x[2]; | |
1259 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
1260 | currentIndex++; | |
1261 | } | |
1262 | else | |
1263 | if (currentIndex>2){ | |
1264 | Float_t sumx=0; | |
1265 | Float_t sumx2=0; | |
1266 | Float_t sumx3=0; | |
1267 | Float_t sumx4=0; | |
1268 | Float_t sumy=0; | |
1269 | Float_t sumxy=0; | |
1270 | Float_t sumx2y=0; | |
1271 | Float_t sumz=0; | |
1272 | Float_t sumxz=0; | |
1273 | Float_t sumx2z=0; | |
1274 | Float_t sumq=0; | |
1275 | for (Int_t index=0;index<currentIndex;index++){ | |
1276 | Float_t x,x2,x3,x4; | |
1277 | x=x2=x3=x4=xxx(index*4); | |
1278 | x2*=x; | |
1279 | x3*=x2; | |
1280 | x4*=x3; | |
1281 | sumx+=x; | |
1282 | sumx2+=x2; | |
1283 | sumx3+=x3; | |
1284 | sumx4+=x4; | |
1285 | sumy+=xxx(index*4+1); | |
1286 | sumxy+=xxx(index*4+1)*x; | |
1287 | sumx2y+=xxx(index*4+1)*x2; | |
1288 | sumz+=xxx(index*4+2); | |
1289 | sumxz+=xxx(index*4+2)*x; | |
1290 | sumx2z+=xxx(index*4+2)*x2; | |
1291 | sumq+=xxx(index*4+3); | |
1292 | } | |
73042f01 | 1293 | Float_t centralPad = (fTPCParam->GetNPads(isec,lastrow)-1)/2; |
cc80f89e | 1294 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ |
1295 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
1296 | ||
1297 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
1298 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
1299 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
1300 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
1301 | ||
1302 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
1303 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
1304 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
1305 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
1306 | ||
da33556f | 1307 | if (TMath::Abs(det)<0.00001){ |
1308 | tpcHit = (AliTPChit*)NextHit(); | |
1309 | continue; | |
1310 | } | |
1311 | ||
73042f01 | 1312 | Float_t y=detay/det+centralPad; |
cc80f89e | 1313 | Float_t z=detaz/det; |
1314 | Float_t by=detby/det; //y angle | |
1315 | Float_t bz=detbz/det; //z angle | |
1316 | sumy/=Float_t(currentIndex); | |
1317 | sumz/=Float_t(currentIndex); | |
5f16d237 | 1318 | |
cc80f89e | 1319 | AliTPCClustersRow * row = (fClustersArray->GetRow(isec,lastrow)); |
5f16d237 | 1320 | if (row!=0) { |
1321 | AliComplexCluster* cl = new((AliComplexCluster*)row->Append()) AliComplexCluster ; | |
1322 | // AliComplexCluster cl; | |
1323 | cl->fX=z; | |
1324 | cl->fY=y; | |
1325 | cl->fQ=sumq; | |
1326 | cl->fSigmaX2=bz; | |
1327 | cl->fSigmaY2=by; | |
1328 | cl->fTracks[0]=ipart; | |
1329 | } | |
cc80f89e | 1330 | currentIndex=0; |
1331 | lastrow=currentrow; | |
1332 | } //end of calculating cluster for given row | |
1333 | ||
1334 | ||
5f16d237 | 1335 | tpcHit = (AliTPChit*)NextHit(); |
cc80f89e | 1336 | } // end of loop over hits |
1337 | } // end of loop over tracks | |
1338 | //write padrows to tree | |
1339 | for (Int_t ii=0; ii<fTPCParam->GetNRow(isec);ii++) { | |
1340 | fClustersArray->StoreRow(isec,ii); | |
1341 | fClustersArray->ClearRow(isec,ii); | |
1342 | } | |
1343 | xxxx->Delete(); | |
1344 | ||
fe4da5cc | 1345 | } |
0a61bf9d | 1346 | |
1347 | ||
1348 | ||
85a5290f | 1349 | //______________________________________________________________________ |
9bdd974b | 1350 | AliDigitizer* AliTPC::CreateDigitizer(AliRunDigitizer* manager) const |
85a5290f | 1351 | { |
1352 | return new AliTPCDigitizer(manager); | |
1353 | } | |
0a61bf9d | 1354 | //__ |
176aff27 | 1355 | void AliTPC::SDigits2Digits2(Int_t /*eventnumber*/) |
0a61bf9d | 1356 | { |
1357 | //create digits from summable digits | |
407ff276 | 1358 | GenerNoise(500000); //create teble with noise |
0a61bf9d | 1359 | |
1360 | //conect tree with sSDigits | |
88cb7938 | 1361 | TTree *t = fLoader->TreeS(); |
1362 | ||
1363 | if (t == 0x0) | |
1364 | { | |
1365 | fLoader->LoadSDigits("READ"); | |
1366 | t = fLoader->TreeS(); | |
1367 | if (t == 0x0) | |
1368 | { | |
1369 | Error("SDigits2Digits2","Can not get input TreeS"); | |
1370 | return; | |
1371 | } | |
1372 | } | |
1373 | ||
1374 | if (fLoader->TreeD() == 0x0) fLoader->MakeTree("D"); | |
1375 | ||
0a61bf9d | 1376 | AliSimDigits digarr, *dummy=&digarr; |
88cb7938 | 1377 | TBranch* sdb = t->GetBranch("Segment"); |
1378 | if (sdb == 0x0) | |
1379 | { | |
1380 | Error("SDigits2Digits2","Can not find branch with segments in TreeS."); | |
1381 | return; | |
1382 | } | |
1383 | ||
1384 | sdb->SetAddress(&dummy); | |
1385 | ||
0a61bf9d | 1386 | Stat_t nentries = t->GetEntries(); |
1387 | ||
5f16d237 | 1388 | // set zero suppression |
1389 | ||
1390 | fTPCParam->SetZeroSup(2); | |
1391 | ||
1392 | // get zero suppression | |
1393 | ||
1394 | Int_t zerosup = fTPCParam->GetZeroSup(); | |
1395 | ||
1396 | //make tree with digits | |
1397 | ||
0a61bf9d | 1398 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1399 | arr->SetClass("AliSimDigits"); | |
1400 | arr->Setup(fTPCParam); | |
88cb7938 | 1401 | arr->MakeTree(fLoader->TreeD()); |
0a61bf9d | 1402 | |
88cb7938 | 1403 | AliTPCParam * par = fTPCParam; |
5f16d237 | 1404 | |
0a61bf9d | 1405 | //Loop over segments of the TPC |
5f16d237 | 1406 | |
0a61bf9d | 1407 | for (Int_t n=0; n<nentries; n++) { |
1408 | t->GetEvent(n); | |
1409 | Int_t sec, row; | |
1410 | if (!par->AdjustSectorRow(digarr.GetID(),sec,row)) { | |
1411 | cerr<<"AliTPC warning: invalid segment ID ! "<<digarr.GetID()<<endl; | |
1412 | continue; | |
1413 | } | |
88cb7938 | 1414 | if (!IsSectorActive(sec)) |
1415 | { | |
1416 | // cout<<n<<" NOT Active \n"; | |
1417 | continue; | |
1418 | } | |
1419 | else | |
1420 | { | |
1421 | // cout<<n<<" Active \n"; | |
1422 | } | |
0a61bf9d | 1423 | AliSimDigits * digrow =(AliSimDigits*) arr->CreateRow(sec,row); |
1424 | Int_t nrows = digrow->GetNRows(); | |
1425 | Int_t ncols = digrow->GetNCols(); | |
1426 | ||
1427 | digrow->ExpandBuffer(); | |
1428 | digarr.ExpandBuffer(); | |
1429 | digrow->ExpandTrackBuffer(); | |
1430 | digarr.ExpandTrackBuffer(); | |
1431 | ||
5f16d237 | 1432 | |
407ff276 | 1433 | Short_t * pamp0 = digarr.GetDigits(); |
1434 | Int_t * ptracks0 = digarr.GetTracks(); | |
1435 | Short_t * pamp1 = digrow->GetDigits(); | |
1436 | Int_t * ptracks1 = digrow->GetTracks(); | |
1437 | Int_t nelems =nrows*ncols; | |
1438 | Int_t saturation = fTPCParam->GetADCSat(); | |
1439 | //use internal structure of the AliDigits - for speed reason | |
1440 | //if you cahnge implementation | |
1441 | //of the Alidigits - it must be rewriten - | |
1442 | for (Int_t i= 0; i<nelems; i++){ | |
1443 | // Float_t q = *pamp0; | |
1444 | //q/=16.; //conversion faktor | |
1445 | //Float_t noise= GetNoise(); | |
1446 | //q+=noise; | |
1447 | //q= TMath::Nint(q); | |
1448 | Float_t q = TMath::Nint(Float_t(*pamp0)/16.+GetNoise()); | |
1449 | if (q>zerosup){ | |
1450 | if (q>saturation) q=saturation; | |
1451 | *pamp1=(Short_t)q; | |
1452 | //if (ptracks0[0]==0) | |
1453 | // ptracks1[0]=1; | |
1454 | //else | |
1455 | ptracks1[0]=ptracks0[0]; | |
1456 | ptracks1[nelems]=ptracks0[nelems]; | |
1457 | ptracks1[2*nelems]=ptracks0[2*nelems]; | |
1458 | } | |
1459 | pamp0++; | |
1460 | pamp1++; | |
1461 | ptracks0++; | |
1462 | ptracks1++; | |
1463 | } | |
5f16d237 | 1464 | |
5f16d237 | 1465 | arr->StoreRow(sec,row); |
1466 | arr->ClearRow(sec,row); | |
9fe90376 | 1467 | // cerr<<sec<<"\t"<<row<<"\n"; |
5f16d237 | 1468 | } |
0a61bf9d | 1469 | |
0a61bf9d | 1470 | |
5f16d237 | 1471 | //write results |
88cb7938 | 1472 | fLoader->WriteDigits("OVERWRITE"); |
5f16d237 | 1473 | |
88cb7938 | 1474 | delete arr; |
afc42102 | 1475 | } |
1476 | //__________________________________________________________________ | |
1477 | void AliTPC::SetDefaults(){ | |
9bdd974b | 1478 | // |
1479 | // setting the defaults | |
1480 | // | |
afc42102 | 1481 | |
f540341d | 1482 | // cerr<<"Setting default parameters...\n"; |
afc42102 | 1483 | |
1484 | // Set response functions | |
1485 | ||
88cb7938 | 1486 | // |
024a7e64 | 1487 | AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName()); |
88cb7938 | 1488 | rl->CdGAFile(); |
2ab0c725 | 1489 | AliTPCParamSR *param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60"); |
7a09f434 | 1490 | if(param){ |
1491 | printf("You are using 2 pad-length geom hits with 3 pad-lenght geom digits...\n"); | |
1492 | delete param; | |
1493 | param = new AliTPCParamSR(); | |
1494 | } | |
1495 | else { | |
1496 | param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60"); | |
1497 | } | |
1498 | if(!param){ | |
1499 | printf("No TPC parameters found\n"); | |
1500 | exit(4); | |
1501 | } | |
1502 | ||
1503 | ||
2ab0c725 | 1504 | AliTPCPRF2D * prfinner = new AliTPCPRF2D; |
f03e3423 | 1505 | AliTPCPRF2D * prfouter1 = new AliTPCPRF2D; |
1506 | AliTPCPRF2D * prfouter2 = new AliTPCPRF2D; | |
2ab0c725 | 1507 | AliTPCRF1D * rf = new AliTPCRF1D(kTRUE); |
2ab0c725 | 1508 | rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.); |
1509 | rf->SetOffset(3*param->GetZSigma()); | |
1510 | rf->Update(); | |
afc42102 | 1511 | |
1512 | TDirectory *savedir=gDirectory; | |
2ab0c725 | 1513 | TFile *f=TFile::Open("$ALICE_ROOT/TPC/AliTPCprf2d.root"); |
1514 | if (!f->IsOpen()) { | |
afc42102 | 1515 | cerr<<"Can't open $ALICE_ROOT/TPC/AliTPCprf2d.root !\n" ; |
2ab0c725 | 1516 | exit(3); |
1517 | } | |
2a336e15 | 1518 | |
1519 | TString s; | |
2ab0c725 | 1520 | prfinner->Read("prf_07504_Gati_056068_d02"); |
2a336e15 | 1521 | //PH Set different names |
1522 | s=prfinner->GetGRF()->GetName(); | |
1523 | s+="in"; | |
1524 | prfinner->GetGRF()->SetName(s.Data()); | |
1525 | ||
f03e3423 | 1526 | prfouter1->Read("prf_10006_Gati_047051_d03"); |
2a336e15 | 1527 | s=prfouter1->GetGRF()->GetName(); |
1528 | s+="out1"; | |
1529 | prfouter1->GetGRF()->SetName(s.Data()); | |
1530 | ||
f03e3423 | 1531 | prfouter2->Read("prf_15006_Gati_047051_d03"); |
2a336e15 | 1532 | s=prfouter2->GetGRF()->GetName(); |
1533 | s+="out2"; | |
1534 | prfouter2->GetGRF()->SetName(s.Data()); | |
1535 | ||
2ab0c725 | 1536 | f->Close(); |
afc42102 | 1537 | savedir->cd(); |
1538 | ||
2ab0c725 | 1539 | param->SetInnerPRF(prfinner); |
f03e3423 | 1540 | param->SetOuter1PRF(prfouter1); |
1541 | param->SetOuter2PRF(prfouter2); | |
2ab0c725 | 1542 | param->SetTimeRF(rf); |
1543 | ||
afc42102 | 1544 | // set fTPCParam |
1545 | ||
2ab0c725 | 1546 | SetParam(param); |
1547 | ||
afc42102 | 1548 | |
1549 | fDefaults = 1; | |
1550 | ||
1551 | } | |
1552 | //__________________________________________________________________ | |
85a5290f | 1553 | void AliTPC::Hits2Digits() |
1554 | { | |
9bdd974b | 1555 | // |
1556 | // creates digits from hits | |
1557 | // | |
1558 | ||
85a5290f | 1559 | fLoader->LoadHits("read"); |
1560 | fLoader->LoadDigits("recreate"); | |
1561 | AliRunLoader* runLoader = fLoader->GetRunLoader(); | |
1562 | ||
1563 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { | |
1564 | runLoader->GetEvent(iEvent); | |
1565 | SetActiveSectors(); | |
1566 | Hits2Digits(iEvent); | |
1567 | } | |
1568 | ||
1569 | fLoader->UnloadHits(); | |
1570 | fLoader->UnloadDigits(); | |
1571 | } | |
1572 | //__________________________________________________________________ | |
afc42102 | 1573 | void AliTPC::Hits2Digits(Int_t eventnumber) |
1574 | { | |
1575 | //---------------------------------------------------- | |
1576 | // Loop over all sectors for a single event | |
1577 | //---------------------------------------------------- | |
024a7e64 | 1578 | AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::GetRunLoaderName()); |
88cb7938 | 1579 | rl->GetEvent(eventnumber); |
1580 | if (fLoader->TreeH() == 0x0) | |
1581 | { | |
1582 | if(fLoader->LoadHits()) | |
1583 | { | |
1584 | Error("Hits2Digits","Can not load hits."); | |
1585 | } | |
1586 | } | |
1587 | SetTreeAddress(); | |
1588 | ||
1589 | if (fLoader->TreeD() == 0x0 ) | |
1590 | { | |
1591 | fLoader->MakeTree("D"); | |
1592 | if (fLoader->TreeD() == 0x0 ) | |
1593 | { | |
1594 | Error("Hits2Digits","Can not get TreeD"); | |
1595 | return; | |
1596 | } | |
1597 | } | |
afc42102 | 1598 | |
1599 | if(fDefaults == 0) SetDefaults(); // check if the parameters are set | |
407ff276 | 1600 | GenerNoise(500000); //create teble with noise |
2ab0c725 | 1601 | |
1602 | //setup TPCDigitsArray | |
afc42102 | 1603 | |
1604 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1605 | ||
2ab0c725 | 1606 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1607 | arr->SetClass("AliSimDigits"); | |
afc42102 | 1608 | arr->Setup(fTPCParam); |
88cb7938 | 1609 | |
1610 | arr->MakeTree(fLoader->TreeD()); | |
2ab0c725 | 1611 | SetDigitsArray(arr); |
1612 | ||
afc42102 | 1613 | fDigitsSwitch=0; // standard digits |
2ab0c725 | 1614 | |
f540341d | 1615 | // cerr<<"Digitizing TPC -- normal digits...\n"; |
fe4da5cc | 1616 | |
88cb7938 | 1617 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) |
1618 | if (IsSectorActive(isec)) | |
1619 | { | |
f2a509af | 1620 | if (fDebug) Info("Hits2Digits","Sector %d is active.",isec); |
88cb7938 | 1621 | Hits2DigitsSector(isec); |
1622 | } | |
1623 | else | |
1624 | { | |
f2a509af | 1625 | if (fDebug) Info("Hits2Digits","Sector %d is NOT active.",isec); |
88cb7938 | 1626 | } |
cc80f89e | 1627 | |
88cb7938 | 1628 | fLoader->WriteDigits("OVERWRITE"); |
f2a509af | 1629 | |
1630 | //this line prevents the crash in the similar one | |
1631 | //on the beginning of this method | |
1632 | //destructor attempts to reset the tree, which is deleted by the loader | |
1633 | //need to be redesign | |
1634 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1635 | SetDigitsArray(0x0); | |
1636 | ||
8c555625 | 1637 | } |
1638 | ||
f8cf550c | 1639 | //__________________________________________________________________ |
0a61bf9d | 1640 | void AliTPC::Hits2SDigits2(Int_t eventnumber) |
f8cf550c | 1641 | { |
1642 | ||
1643 | //----------------------------------------------------------- | |
1644 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1645 | //----------------------------------------------------------- | |
1646 | ||
1647 | //---------------------------------------------------- | |
afc42102 | 1648 | // Loop over all sectors for a single event |
f8cf550c | 1649 | //---------------------------------------------------- |
88cb7938 | 1650 | // AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::fgkRunLoaderName); |
1651 | ||
1652 | AliRunLoader* rl = fLoader->GetRunLoader(); | |
1653 | ||
1654 | rl->GetEvent(eventnumber); | |
1655 | if (fLoader->TreeH() == 0x0) | |
1656 | { | |
1657 | if(fLoader->LoadHits()) | |
1658 | { | |
1659 | Error("Hits2Digits","Can not load hits."); | |
1660 | return; | |
1661 | } | |
1662 | } | |
1663 | SetTreeAddress(); | |
f8cf550c | 1664 | |
afc42102 | 1665 | |
88cb7938 | 1666 | if (fLoader->TreeS() == 0x0 ) |
1667 | { | |
1668 | fLoader->MakeTree("S"); | |
1669 | } | |
1670 | ||
afc42102 | 1671 | if(fDefaults == 0) SetDefaults(); |
88cb7938 | 1672 | |
407ff276 | 1673 | GenerNoise(500000); //create table with noise |
afc42102 | 1674 | //setup TPCDigitsArray |
1675 | ||
1676 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1677 | ||
88cb7938 | 1678 | |
afc42102 | 1679 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1680 | arr->SetClass("AliSimDigits"); | |
1681 | arr->Setup(fTPCParam); | |
88cb7938 | 1682 | arr->MakeTree(fLoader->TreeS()); |
1683 | ||
afc42102 | 1684 | SetDigitsArray(arr); |
1685 | ||
f540341d | 1686 | // cerr<<"Digitizing TPC -- summable digits...\n"; |
afc42102 | 1687 | |
1688 | fDigitsSwitch=1; // summable digits | |
5f16d237 | 1689 | |
1690 | // set zero suppression to "0" | |
1691 | ||
1692 | fTPCParam->SetZeroSup(0); | |
f8cf550c | 1693 | |
88cb7938 | 1694 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) |
1695 | if (IsSectorActive(isec)) | |
1696 | { | |
1697 | // cout<<"Sector "<<isec<<" is active\n"; | |
1698 | Hits2DigitsSector(isec); | |
1699 | } | |
1700 | ||
1701 | fLoader->WriteSDigits("OVERWRITE"); | |
1702 | ||
1703 | //this line prevents the crash in the similar one | |
1704 | //on the beginning of this method | |
1705 | //destructor attempts to reset the tree, which is deleted by the loader | |
1706 | //need to be redesign | |
1707 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1708 | SetDigitsArray(0x0); | |
f8cf550c | 1709 | } |
0a61bf9d | 1710 | //__________________________________________________________________ |
88cb7938 | 1711 | |
0a61bf9d | 1712 | void AliTPC::Hits2SDigits() |
1713 | { | |
1714 | ||
1715 | //----------------------------------------------------------- | |
1716 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1717 | //----------------------------------------------------------- | |
1718 | ||
85a5290f | 1719 | fLoader->LoadHits("read"); |
1720 | fLoader->LoadSDigits("recreate"); | |
1721 | AliRunLoader* runLoader = fLoader->GetRunLoader(); | |
0a61bf9d | 1722 | |
85a5290f | 1723 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
1724 | runLoader->GetEvent(iEvent); | |
1725 | SetTreeAddress(); | |
1726 | SetActiveSectors(); | |
1727 | Hits2SDigits2(iEvent); | |
1728 | } | |
0a61bf9d | 1729 | |
85a5290f | 1730 | fLoader->UnloadHits(); |
1731 | fLoader->UnloadSDigits(); | |
0a61bf9d | 1732 | } |
fe4da5cc | 1733 | //_____________________________________________________________________________ |
88cb7938 | 1734 | |
8c555625 | 1735 | void AliTPC::Hits2DigitsSector(Int_t isec) |
fe4da5cc | 1736 | { |
8c555625 | 1737 | //------------------------------------------------------------------- |
fe4da5cc | 1738 | // TPC conversion from hits to digits. |
8c555625 | 1739 | //------------------------------------------------------------------- |
1740 | ||
1741 | //----------------------------------------------------------------- | |
1742 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1743 | //----------------------------------------------------------------- | |
1744 | ||
fe4da5cc | 1745 | //------------------------------------------------------- |
8c555625 | 1746 | // Get the access to the track hits |
fe4da5cc | 1747 | //------------------------------------------------------- |
8c555625 | 1748 | |
afc42102 | 1749 | // check if the parameters are set - important if one calls this method |
1750 | // directly, not from the Hits2Digits | |
1751 | ||
1752 | if(fDefaults == 0) SetDefaults(); | |
cc80f89e | 1753 | |
88cb7938 | 1754 | TTree *tH = TreeH(); // pointer to the hits tree |
1755 | if (tH == 0x0) | |
1756 | { | |
1757 | Fatal("Hits2DigitsSector","Can not find TreeH in folder"); | |
1758 | return; | |
1759 | } | |
1760 | ||
73042f01 | 1761 | Stat_t ntracks = tH->GetEntries(); |
8c555625 | 1762 | |
1763 | if( ntracks > 0){ | |
1764 | ||
1765 | //------------------------------------------- | |
1766 | // Only if there are any tracks... | |
1767 | //------------------------------------------- | |
1768 | ||
8c555625 | 1769 | TObjArray **row; |
fe4da5cc | 1770 | |
a62d28a2 | 1771 | //printf("*** Processing sector number %d ***\n",isec); |
8c555625 | 1772 | |
1773 | Int_t nrows =fTPCParam->GetNRow(isec); | |
1774 | ||
b584c7dd | 1775 | row= new TObjArray* [nrows+2]; // 2 extra rows for cross talk |
fe4da5cc | 1776 | |
73042f01 | 1777 | MakeSector(isec,nrows,tH,ntracks,row); |
8c555625 | 1778 | |
1779 | //-------------------------------------------------------- | |
1780 | // Digitize this sector, row by row | |
de61d5d5 | 1781 | // row[i] is the pointer to the TObjArray of AliTPCFastVectors, |
8c555625 | 1782 | // each one containing electrons accepted on this |
1783 | // row, assigned into tracks | |
1784 | //-------------------------------------------------------- | |
1785 | ||
1786 | Int_t i; | |
1787 | ||
88cb7938 | 1788 | if (fDigitsArray->GetTree()==0) |
1789 | { | |
1790 | Fatal("Hits2DigitsSector","Tree not set in fDigitsArray"); | |
1791 | } | |
8c555625 | 1792 | |
cc80f89e | 1793 | for (i=0;i<nrows;i++){ |
8c555625 | 1794 | |
afc42102 | 1795 | AliDigits * dig = fDigitsArray->CreateRow(isec,i); |
8c555625 | 1796 | |
cc80f89e | 1797 | DigitizeRow(i,isec,row); |
8c555625 | 1798 | |
cc80f89e | 1799 | fDigitsArray->StoreRow(isec,i); |
8c555625 | 1800 | |
792bb11c | 1801 | Int_t ndig = dig->GetDigitSize(); |
88cb7938 | 1802 | |
1803 | if (gDebug > 10) | |
1804 | printf("*** Sector, row, compressed digits %d %d %d ***\n",isec,i,ndig); | |
792bb11c | 1805 | |
cc80f89e | 1806 | fDigitsArray->ClearRow(isec,i); |
8c555625 | 1807 | |
cc80f89e | 1808 | |
8c555625 | 1809 | } // end of the sector digitization |
8c555625 | 1810 | |
df32adf9 | 1811 | for(i=0;i<nrows+2;i++){ |
39c8eb58 | 1812 | row[i]->Delete(); |
1813 | delete row[i]; | |
cc80f89e | 1814 | } |
1815 | ||
8c555625 | 1816 | delete [] row; // delete the array of pointers to TObjArray-s |
1817 | ||
1818 | } // ntracks >0 | |
8c555625 | 1819 | |
cc80f89e | 1820 | } // end of Hits2DigitsSector |
8c555625 | 1821 | |
8c555625 | 1822 | |
8c555625 | 1823 | //_____________________________________________________________________________ |
cc80f89e | 1824 | void AliTPC::DigitizeRow(Int_t irow,Int_t isec,TObjArray **rows) |
8c555625 | 1825 | { |
1826 | //----------------------------------------------------------- | |
1827 | // Single row digitization, coupling from the neighbouring | |
1828 | // rows taken into account | |
1829 | //----------------------------------------------------------- | |
1830 | ||
1831 | //----------------------------------------------------------------- | |
1832 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1833 | // Modified: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de |
8c555625 | 1834 | //----------------------------------------------------------------- |
1835 | ||
1836 | ||
8c555625 | 1837 | Float_t zerosup = fTPCParam->GetZeroSup(); |
b584c7dd | 1838 | // Int_t nrows =fTPCParam->GetNRow(isec); |
cc80f89e | 1839 | fCurrentIndex[1]= isec; |
8c555625 | 1840 | |
8c555625 | 1841 | |
73042f01 | 1842 | Int_t nofPads = fTPCParam->GetNPads(isec,irow); |
1843 | Int_t nofTbins = fTPCParam->GetMaxTBin(); | |
1844 | Int_t indexRange[4]; | |
8c555625 | 1845 | // |
1846 | // Integrated signal for this row | |
1847 | // and a single track signal | |
cc80f89e | 1848 | // |
de61d5d5 | 1849 | |
1850 | AliTPCFastMatrix *m1 = new AliTPCFastMatrix(0,nofPads,0,nofTbins); // integrated | |
1851 | AliTPCFastMatrix *m2 = new AliTPCFastMatrix(0,nofPads,0,nofTbins); // single | |
8c555625 | 1852 | // |
de61d5d5 | 1853 | AliTPCFastMatrix &total = *m1; |
8c555625 | 1854 | |
1855 | // Array of pointers to the label-signal list | |
1856 | ||
73042f01 | 1857 | Int_t nofDigits = nofPads*nofTbins; // number of digits for this row |
1858 | Float_t **pList = new Float_t* [nofDigits]; | |
8c555625 | 1859 | |
1860 | Int_t lp; | |
cc80f89e | 1861 | Int_t i1; |
73042f01 | 1862 | for(lp=0;lp<nofDigits;lp++)pList[lp]=0; // set all pointers to NULL |
8c555625 | 1863 | // |
cc80f89e | 1864 | //calculate signal |
1865 | // | |
b584c7dd | 1866 | //Int_t row1 = TMath::Max(irow-fTPCParam->GetNCrossRows(),0); |
1867 | //Int_t row2 = TMath::Min(irow+fTPCParam->GetNCrossRows(),nrows-1); | |
1868 | Int_t row1=irow; | |
1869 | Int_t row2=irow+2; | |
cc80f89e | 1870 | for (Int_t row= row1;row<=row2;row++){ |
1871 | Int_t nTracks= rows[row]->GetEntries(); | |
1872 | for (i1=0;i1<nTracks;i1++){ | |
1873 | fCurrentIndex[2]= row; | |
b584c7dd | 1874 | fCurrentIndex[3]=irow+1; |
1875 | if (row==irow+1){ | |
cc80f89e | 1876 | m2->Zero(); // clear single track signal matrix |
73042f01 | 1877 | Float_t trackLabel = GetSignal(rows[row],i1,m2,m1,indexRange); |
1878 | GetList(trackLabel,nofPads,m2,indexRange,pList); | |
cc80f89e | 1879 | } |
73042f01 | 1880 | else GetSignal(rows[row],i1,0,m1,indexRange); |
cc80f89e | 1881 | } |
8c555625 | 1882 | } |
cc80f89e | 1883 | |
8c555625 | 1884 | Int_t tracks[3]; |
8c555625 | 1885 | |
cc80f89e | 1886 | AliDigits *dig = fDigitsArray->GetRow(isec,irow); |
de61d5d5 | 1887 | Int_t gi=-1; |
1888 | Float_t fzerosup = zerosup+0.5; | |
1889 | for(Int_t it=0;it<nofTbins;it++){ | |
1890 | Float_t *pq = &(total.UncheckedAt(0,it)); | |
1891 | for(Int_t ip=0;ip<nofPads;ip++){ | |
1892 | gi++; | |
1893 | Float_t q=*pq; | |
1894 | pq++; | |
f8cf550c | 1895 | if(fDigitsSwitch == 0){ |
407ff276 | 1896 | q+=GetNoise(); |
de61d5d5 | 1897 | if(q <=fzerosup) continue; // do not fill zeros |
68771f83 | 1898 | q = TMath::Nint(q); |
f8cf550c | 1899 | if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation |
cc80f89e | 1900 | |
f8cf550c | 1901 | } |
1902 | ||
1903 | else { | |
5f16d237 | 1904 | if(q <= 0.) continue; // do not fill zeros |
68771f83 | 1905 | if(q>2000.) q=2000.; |
f8cf550c | 1906 | q *= 16.; |
68771f83 | 1907 | q = TMath::Nint(q); |
f8cf550c | 1908 | } |
8c555625 | 1909 | |
1910 | // | |
1911 | // "real" signal or electronic noise (list = -1)? | |
1912 | // | |
1913 | ||
1914 | for(Int_t j1=0;j1<3;j1++){ | |
407ff276 | 1915 | tracks[j1] = (pList[gi]) ?(Int_t)(*(pList[gi]+j1)) : -2; |
8c555625 | 1916 | } |
1917 | ||
cc80f89e | 1918 | //Begin_Html |
1919 | /* | |
1920 | <A NAME="AliDigits"></A> | |
1921 | using of AliDigits object | |
1922 | */ | |
1923 | //End_Html | |
1924 | dig->SetDigitFast((Short_t)q,it,ip); | |
1925 | if (fDigitsArray->IsSimulated()) | |
1926 | { | |
1927 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[0],it,ip,0); | |
1928 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[1],it,ip,1); | |
1929 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[2],it,ip,2); | |
1930 | } | |
1931 | ||
8c555625 | 1932 | |
1933 | } // end of loop over time buckets | |
1934 | } // end of lop over pads | |
1935 | ||
1936 | // | |
1937 | // This row has been digitized, delete nonused stuff | |
1938 | // | |
1939 | ||
73042f01 | 1940 | for(lp=0;lp<nofDigits;lp++){ |
8c555625 | 1941 | if(pList[lp]) delete [] pList[lp]; |
1942 | } | |
1943 | ||
1944 | delete [] pList; | |
1945 | ||
1946 | delete m1; | |
1947 | delete m2; | |
cc80f89e | 1948 | // delete m3; |
8c555625 | 1949 | |
1950 | } // end of DigitizeRow | |
cc80f89e | 1951 | |
8c555625 | 1952 | //_____________________________________________________________________________ |
cc80f89e | 1953 | |
de61d5d5 | 1954 | Float_t AliTPC::GetSignal(TObjArray *p1, Int_t ntr, |
1955 | AliTPCFastMatrix *m1, AliTPCFastMatrix *m2,Int_t *indexRange) | |
8c555625 | 1956 | { |
1957 | ||
1958 | //--------------------------------------------------------------- | |
1959 | // Calculates 2-D signal (pad,time) for a single track, | |
1960 | // returns a pointer to the signal matrix and the track label | |
1961 | // No digitization is performed at this level!!! | |
1962 | //--------------------------------------------------------------- | |
1963 | ||
1964 | //----------------------------------------------------------------- | |
1965 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1966 | // Modified: Marian Ivanov |
8c555625 | 1967 | //----------------------------------------------------------------- |
1968 | ||
de61d5d5 | 1969 | AliTPCFastVector *tv; |
1970 | ||
1971 | tv = (AliTPCFastVector*)p1->At(ntr); // pointer to a track | |
1972 | AliTPCFastVector &v = *tv; | |
8c555625 | 1973 | |
1974 | Float_t label = v(0); | |
b584c7dd | 1975 | Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]-1)-1)/2; |
8c555625 | 1976 | |
8c555625 | 1977 | Int_t nElectrons = (tv->GetNrows()-1)/4; |
73042f01 | 1978 | indexRange[0]=9999; // min pad |
1979 | indexRange[1]=-1; // max pad | |
1980 | indexRange[2]=9999; //min time | |
1981 | indexRange[3]=-1; // max time | |
8c555625 | 1982 | |
de61d5d5 | 1983 | AliTPCFastMatrix &signal = *m1; |
1984 | AliTPCFastMatrix &total = *m2; | |
8c555625 | 1985 | // |
1986 | // Loop over all electrons | |
1987 | // | |
8c555625 | 1988 | for(Int_t nel=0; nel<nElectrons; nel++){ |
cc80f89e | 1989 | Int_t idx=nel*4; |
1990 | Float_t aval = v(idx+4); | |
1991 | Float_t eltoadcfac=aval*fTPCParam->GetTotalNormFac(); | |
1992 | Float_t xyz[3]={v(idx+1),v(idx+2),v(idx+3)}; | |
de61d5d5 | 1993 | Int_t n = ((AliTPCParamSR*)fTPCParam)->CalcResponseFast(xyz,fCurrentIndex,fCurrentIndex[3]); |
1994 | ||
1995 | Int_t *index = fTPCParam->GetResBin(0); | |
1996 | Float_t *weight = & (fTPCParam->GetResWeight(0)); | |
1997 | ||
1998 | if (n>0) for (Int_t i =0; i<n; i++){ | |
73042f01 | 1999 | Int_t pad=index[1]+centralPad; //in digit coordinates central pad has coordinate 0 |
de61d5d5 | 2000 | |
2001 | if (pad>=0){ | |
cc80f89e | 2002 | Int_t time=index[2]; |
de61d5d5 | 2003 | Float_t qweight = *(weight)*eltoadcfac; |
cc80f89e | 2004 | |
de61d5d5 | 2005 | if (m1!=0) signal.UncheckedAt(pad,time)+=qweight; |
2006 | total.UncheckedAt(pad,time)+=qweight; | |
2007 | if (indexRange[0]>pad) indexRange[0]=pad; | |
2008 | if (indexRange[1]<pad) indexRange[1]=pad; | |
2009 | if (indexRange[2]>time) indexRange[2]=time; | |
2010 | if (indexRange[3]<time) indexRange[3]=time; | |
2011 | ||
2012 | index+=3; | |
2013 | weight++; | |
2014 | ||
cc80f89e | 2015 | } |
2016 | } | |
8c555625 | 2017 | } // end of loop over electrons |
cc80f89e | 2018 | |
8c555625 | 2019 | return label; // returns track label when finished |
2020 | } | |
2021 | ||
2022 | //_____________________________________________________________________________ | |
de61d5d5 | 2023 | void AliTPC::GetList(Float_t label,Int_t np,AliTPCFastMatrix *m, |
2024 | Int_t *indexRange, Float_t **pList) | |
8c555625 | 2025 | { |
2026 | //---------------------------------------------------------------------- | |
2027 | // Updates the list of tracks contributing to digits for a given row | |
2028 | //---------------------------------------------------------------------- | |
2029 | ||
2030 | //----------------------------------------------------------------- | |
2031 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2032 | //----------------------------------------------------------------- | |
2033 | ||
de61d5d5 | 2034 | AliTPCFastMatrix &signal = *m; |
8c555625 | 2035 | |
2036 | // lop over nonzero digits | |
2037 | ||
73042f01 | 2038 | for(Int_t it=indexRange[2];it<indexRange[3]+1;it++){ |
2039 | for(Int_t ip=indexRange[0];ip<indexRange[1]+1;ip++){ | |
8c555625 | 2040 | |
2041 | ||
921bf71a | 2042 | // accept only the contribution larger than 500 electrons (1/2 s_noise) |
2043 | ||
cc80f89e | 2044 | if(signal(ip,it)<0.5) continue; |
921bf71a | 2045 | |
2046 | ||
73042f01 | 2047 | Int_t globalIndex = it*np+ip; // globalIndex starts from 0! |
8c555625 | 2048 | |
73042f01 | 2049 | if(!pList[globalIndex]){ |
8c555625 | 2050 | |
2051 | // | |
2052 | // Create new list (6 elements - 3 signals and 3 labels), | |
8c555625 | 2053 | // |
2054 | ||
73042f01 | 2055 | pList[globalIndex] = new Float_t [6]; |
8c555625 | 2056 | |
2057 | // set list to -1 | |
2058 | ||
73042f01 | 2059 | *pList[globalIndex] = -1.; |
2060 | *(pList[globalIndex]+1) = -1.; | |
2061 | *(pList[globalIndex]+2) = -1.; | |
2062 | *(pList[globalIndex]+3) = -1.; | |
2063 | *(pList[globalIndex]+4) = -1.; | |
2064 | *(pList[globalIndex]+5) = -1.; | |
8c555625 | 2065 | |
2066 | ||
73042f01 | 2067 | *pList[globalIndex] = label; |
2068 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 2069 | } |
2070 | else{ | |
2071 | ||
2072 | // check the signal magnitude | |
2073 | ||
73042f01 | 2074 | Float_t highest = *(pList[globalIndex]+3); |
2075 | Float_t middle = *(pList[globalIndex]+4); | |
2076 | Float_t lowest = *(pList[globalIndex]+5); | |
8c555625 | 2077 | |
2078 | // | |
2079 | // compare the new signal with already existing list | |
2080 | // | |
2081 | ||
2082 | if(signal(ip,it)<lowest) continue; // neglect this track | |
2083 | ||
2084 | // | |
2085 | ||
2086 | if (signal(ip,it)>highest){ | |
73042f01 | 2087 | *(pList[globalIndex]+5) = middle; |
2088 | *(pList[globalIndex]+4) = highest; | |
2089 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 2090 | |
73042f01 | 2091 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
2092 | *(pList[globalIndex]+1) = *pList[globalIndex]; | |
2093 | *pList[globalIndex] = label; | |
8c555625 | 2094 | } |
2095 | else if (signal(ip,it)>middle){ | |
73042f01 | 2096 | *(pList[globalIndex]+5) = middle; |
2097 | *(pList[globalIndex]+4) = signal(ip,it); | |
8c555625 | 2098 | |
73042f01 | 2099 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
2100 | *(pList[globalIndex]+1) = label; | |
8c555625 | 2101 | } |
2102 | else{ | |
73042f01 | 2103 | *(pList[globalIndex]+5) = signal(ip,it); |
2104 | *(pList[globalIndex]+2) = label; | |
8c555625 | 2105 | } |
2106 | } | |
2107 | ||
2108 | } // end of loop over pads | |
2109 | } // end of loop over time bins | |
2110 | ||
2111 | ||
2112 | ||
8c555625 | 2113 | }//end of GetList |
2114 | //___________________________________________________________________ | |
2115 | void AliTPC::MakeSector(Int_t isec,Int_t nrows,TTree *TH, | |
2116 | Stat_t ntracks,TObjArray **row) | |
2117 | { | |
2118 | ||
2119 | //----------------------------------------------------------------- | |
2120 | // Prepares the sector digitization, creates the vectors of | |
2121 | // tracks for each row of this sector. The track vector | |
2122 | // contains the track label and the position of electrons. | |
2123 | //----------------------------------------------------------------- | |
2124 | ||
2125 | //----------------------------------------------------------------- | |
2126 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2127 | //----------------------------------------------------------------- | |
2128 | ||
cc80f89e | 2129 | Float_t gasgain = fTPCParam->GetGasGain(); |
8c555625 | 2130 | Int_t i; |
cc80f89e | 2131 | Float_t xyz[4]; |
8c555625 | 2132 | |
2133 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
39c8eb58 | 2134 | //MI change |
2135 | TBranch * branch=0; | |
792bb11c | 2136 | if (fHitType>1) branch = TH->GetBranch("TPC2"); |
39c8eb58 | 2137 | else branch = TH->GetBranch("TPC"); |
2138 | ||
8c555625 | 2139 | |
2140 | //---------------------------------------------- | |
2141 | // Create TObjArray-s, one for each row, | |
de61d5d5 | 2142 | // each TObjArray will store the AliTPCFastVectors |
2143 | // of electrons, one AliTPCFastVectors per each track. | |
8c555625 | 2144 | //---------------------------------------------- |
2145 | ||
b584c7dd | 2146 | Int_t *nofElectrons = new Int_t [nrows+2]; // electron counter for each row |
2147 | AliTPCFastVector **tracks = new AliTPCFastVector* [nrows+2]; //pointers to the track vectors | |
de61d5d5 | 2148 | |
b584c7dd | 2149 | for(i=0; i<nrows+2; i++){ |
8c555625 | 2150 | row[i] = new TObjArray; |
f74bb6f5 | 2151 | nofElectrons[i]=0; |
2152 | tracks[i]=0; | |
8c555625 | 2153 | } |
8c555625 | 2154 | |
37831078 | 2155 | |
2156 | ||
8c555625 | 2157 | //-------------------------------------------------------------------- |
2158 | // Loop over tracks, the "track" contains the full history | |
2159 | //-------------------------------------------------------------------- | |
2160 | ||
2161 | Int_t previousTrack,currentTrack; | |
2162 | previousTrack = -1; // nothing to store so far! | |
2163 | ||
2164 | for(Int_t track=0;track<ntracks;track++){ | |
39c8eb58 | 2165 | Bool_t isInSector=kTRUE; |
8c555625 | 2166 | ResetHits(); |
792bb11c | 2167 | isInSector = TrackInVolume(isec,track); |
39c8eb58 | 2168 | if (!isInSector) continue; |
2169 | //MI change | |
2170 | branch->GetEntry(track); // get next track | |
2171 | ||
2172 | //M.I. changes | |
8c555625 | 2173 | |
39c8eb58 | 2174 | tpcHit = (AliTPChit*)FirstHit(-1); |
8c555625 | 2175 | |
2176 | //-------------------------------------------------------------- | |
2177 | // Loop over hits | |
2178 | //-------------------------------------------------------------- | |
2179 | ||
8c555625 | 2180 | |
39c8eb58 | 2181 | while(tpcHit){ |
8c555625 | 2182 | |
2183 | Int_t sector=tpcHit->fSector; // sector number | |
39c8eb58 | 2184 | if(sector != isec){ |
2185 | tpcHit = (AliTPChit*) NextHit(); | |
2186 | continue; | |
2187 | } | |
8c555625 | 2188 | |
94de3818 | 2189 | currentTrack = tpcHit->Track(); // track number |
39c8eb58 | 2190 | |
2191 | ||
8c555625 | 2192 | if(currentTrack != previousTrack){ |
2193 | ||
2194 | // store already filled fTrack | |
2195 | ||
b584c7dd | 2196 | for(i=0;i<nrows+2;i++){ |
8c555625 | 2197 | if(previousTrack != -1){ |
73042f01 | 2198 | if(nofElectrons[i]>0){ |
de61d5d5 | 2199 | AliTPCFastVector &v = *tracks[i]; |
8c555625 | 2200 | v(0) = previousTrack; |
73042f01 | 2201 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 2202 | row[i]->Add(tracks[i]); |
8c555625 | 2203 | } |
2204 | else{ | |
de61d5d5 | 2205 | delete tracks[i]; // delete empty AliTPCFastVector |
cc80f89e | 2206 | tracks[i]=0; |
8c555625 | 2207 | } |
2208 | } | |
2209 | ||
73042f01 | 2210 | nofElectrons[i]=0; |
de61d5d5 | 2211 | tracks[i] = new AliTPCFastVector(481); // AliTPCFastVectors for the next fTrack |
8c555625 | 2212 | |
2213 | } // end of loop over rows | |
2214 | ||
2215 | previousTrack=currentTrack; // update track label | |
2216 | } | |
2217 | ||
73042f01 | 2218 | Int_t qI = (Int_t) (tpcHit->fQ); // energy loss (number of electrons) |
8c555625 | 2219 | |
2220 | //--------------------------------------------------- | |
2221 | // Calculate the electron attachment probability | |
2222 | //--------------------------------------------------- | |
2223 | ||
cc80f89e | 2224 | |
94de3818 | 2225 | Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z())) |
cc80f89e | 2226 | /fTPCParam->GetDriftV(); |
8c555625 | 2227 | // in microseconds! |
73042f01 | 2228 | Float_t attProb = fTPCParam->GetAttCoef()* |
8c555625 | 2229 | fTPCParam->GetOxyCont()*time; // fraction! |
2230 | ||
2231 | //----------------------------------------------- | |
2232 | // Loop over electrons | |
2233 | //----------------------------------------------- | |
cc80f89e | 2234 | Int_t index[3]; |
2235 | index[1]=isec; | |
73042f01 | 2236 | for(Int_t nel=0;nel<qI;nel++){ |
8c555625 | 2237 | // skip if electron lost due to the attachment |
73042f01 | 2238 | if((gRandom->Rndm(0)) < attProb) continue; // electron lost! |
94de3818 | 2239 | xyz[0]=tpcHit->X(); |
2240 | xyz[1]=tpcHit->Y(); | |
1705494b | 2241 | xyz[2]=tpcHit->Z(); |
2242 | // | |
2243 | // protection for the nonphysical avalanche size (10**6 maximum) | |
2244 | // | |
710dacf5 | 2245 | Double_t rn=TMath::Max(gRandom->Rndm(0),1.93e-22); |
2246 | xyz[3]= (Float_t) (-gasgain*TMath::Log(rn)); | |
cc80f89e | 2247 | index[0]=1; |
2248 | ||
b584c7dd | 2249 | TransportElectron(xyz,index); |
73042f01 | 2250 | Int_t rowNumber; |
b584c7dd | 2251 | fTPCParam->GetPadRow(xyz,index); |
2252 | // row 0 - cross talk from the innermost row | |
2253 | // row fNRow+1 cross talk from the outermost row | |
2254 | rowNumber = index[2]+1; | |
cc80f89e | 2255 | //transform position to local digit coordinates |
2256 | //relative to nearest pad row | |
b584c7dd | 2257 | if ((rowNumber<0)||rowNumber>fTPCParam->GetNRow(isec)+1) continue; |
2258 | Float_t x1,y1; | |
f03e3423 | 2259 | if (isec <fTPCParam->GetNInnerSector()) { |
2260 | x1 = xyz[1]*fTPCParam->GetInnerPadPitchWidth(); | |
2261 | y1 = fTPCParam->GetYInner(rowNumber); | |
2262 | } | |
2263 | else{ | |
2264 | x1=xyz[1]*fTPCParam->GetOuterPadPitchWidth(); | |
2265 | y1 = fTPCParam->GetYOuter(rowNumber); | |
2266 | } | |
e8f678d7 | 2267 | // gain inefficiency at the wires edges - linear |
f03e3423 | 2268 | x1=TMath::Abs(x1); |
e8f678d7 | 2269 | y1-=1.; |
2270 | if(x1>y1) xyz[3]*=TMath::Max(1.e-6,(y1-x1+1.)); | |
2271 | ||
73042f01 | 2272 | nofElectrons[rowNumber]++; |
8c555625 | 2273 | //---------------------------------- |
2274 | // Expand vector if necessary | |
2275 | //---------------------------------- | |
73042f01 | 2276 | if(nofElectrons[rowNumber]>120){ |
2277 | Int_t range = tracks[rowNumber]->GetNrows(); | |
2278 | if((nofElectrons[rowNumber])>(range-1)/4){ | |
cc80f89e | 2279 | |
73042f01 | 2280 | tracks[rowNumber]->ResizeTo(range+400); // Add 100 electrons |
fe4da5cc | 2281 | } |
2282 | } | |
2283 | ||
de61d5d5 | 2284 | AliTPCFastVector &v = *tracks[rowNumber]; |
73042f01 | 2285 | Int_t idx = 4*nofElectrons[rowNumber]-3; |
de61d5d5 | 2286 | Real_t * position = &(((AliTPCFastVector&)v).UncheckedAt(idx)); //make code faster |
2287 | memcpy(position,xyz,4*sizeof(Float_t)); | |
2288 | ||
8c555625 | 2289 | } // end of loop over electrons |
39c8eb58 | 2290 | |
2291 | tpcHit = (AliTPChit*)NextHit(); | |
8c555625 | 2292 | |
2293 | } // end of loop over hits | |
2294 | } // end of loop over tracks | |
2295 | ||
2296 | // | |
2297 | // store remaining track (the last one) if not empty | |
2298 | // | |
2299 | ||
b584c7dd | 2300 | for(i=0;i<nrows+2;i++){ |
73042f01 | 2301 | if(nofElectrons[i]>0){ |
de61d5d5 | 2302 | AliTPCFastVector &v = *tracks[i]; |
8c555625 | 2303 | v(0) = previousTrack; |
73042f01 | 2304 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 2305 | row[i]->Add(tracks[i]); |
fe4da5cc | 2306 | } |
2307 | else{ | |
cc80f89e | 2308 | delete tracks[i]; |
2309 | tracks[i]=0; | |
8c555625 | 2310 | } |
2311 | } | |
2312 | ||
cc80f89e | 2313 | delete [] tracks; |
73042f01 | 2314 | delete [] nofElectrons; |
8c555625 | 2315 | |
8c555625 | 2316 | |
cc80f89e | 2317 | } // end of MakeSector |
8c555625 | 2318 | |
fe4da5cc | 2319 | |
2320 | //_____________________________________________________________________________ | |
2321 | void AliTPC::Init() | |
2322 | { | |
2323 | // | |
2324 | // Initialise TPC detector after definition of geometry | |
2325 | // | |
2326 | Int_t i; | |
2327 | // | |
9e1a0ddb | 2328 | if(fDebug) { |
2329 | printf("\n%s: ",ClassName()); | |
2330 | for(i=0;i<35;i++) printf("*"); | |
2331 | printf(" TPC_INIT "); | |
2332 | for(i=0;i<35;i++) printf("*"); | |
2333 | printf("\n%s: ",ClassName()); | |
2334 | // | |
2335 | for(i=0;i<80;i++) printf("*"); | |
2336 | printf("\n"); | |
2337 | } | |
fe4da5cc | 2338 | } |
2339 | ||
2340 | //_____________________________________________________________________________ | |
88cb7938 | 2341 | void AliTPC::MakeBranch(Option_t* option) |
fe4da5cc | 2342 | { |
2343 | // | |
2344 | // Create Tree branches for the TPC. | |
2345 | // | |
88cb7938 | 2346 | if(GetDebug()) Info("MakeBranch",""); |
fe4da5cc | 2347 | Int_t buffersize = 4000; |
2348 | char branchname[10]; | |
2349 | sprintf(branchname,"%s",GetName()); | |
88cb7938 | 2350 | |
2351 | const char *h = strstr(option,"H"); | |
fe4da5cc | 2352 | |
88cb7938 | 2353 | if ( h && (fHitType<=1) && (fHits == 0x0)) fHits = new TClonesArray("AliTPChit", 176);//skowron 20.06.03 |
2354 | ||
2355 | AliDetector::MakeBranch(option); | |
fe4da5cc | 2356 | |
5cf7bbad | 2357 | const char *d = strstr(option,"D"); |
88cb7938 | 2358 | |
2359 | if (fDigits && fLoader->TreeD() && d) | |
2360 | { | |
2361 | MakeBranchInTree(gAlice->TreeD(), branchname, &fDigits, buffersize, 0); | |
2362 | } | |
fe4da5cc | 2363 | |
88cb7938 | 2364 | if (fHitType>1) MakeBranch2(option,0); // MI change 14.09.2000 |
fe4da5cc | 2365 | } |
2366 | ||
2367 | //_____________________________________________________________________________ | |
2368 | void AliTPC::ResetDigits() | |
2369 | { | |
2370 | // | |
2371 | // Reset number of digits and the digits array for this detector | |
fe4da5cc | 2372 | // |
2373 | fNdigits = 0; | |
cc80f89e | 2374 | if (fDigits) fDigits->Clear(); |
fe4da5cc | 2375 | } |
2376 | ||
2377 | //_____________________________________________________________________________ | |
2378 | void AliTPC::SetSecAL(Int_t sec) | |
2379 | { | |
8c555625 | 2380 | //--------------------------------------------------- |
fe4da5cc | 2381 | // Activate/deactivate selection for lower sectors |
8c555625 | 2382 | //--------------------------------------------------- |
2383 | ||
2384 | //----------------------------------------------------------------- | |
2385 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2386 | //----------------------------------------------------------------- | |
fe4da5cc | 2387 | fSecAL = sec; |
2388 | } | |
2389 | ||
2390 | //_____________________________________________________________________________ | |
2391 | void AliTPC::SetSecAU(Int_t sec) | |
2392 | { | |
8c555625 | 2393 | //---------------------------------------------------- |
fe4da5cc | 2394 | // Activate/deactivate selection for upper sectors |
8c555625 | 2395 | //--------------------------------------------------- |
2396 | ||
2397 | //----------------------------------------------------------------- | |
2398 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2399 | //----------------------------------------------------------------- | |
fe4da5cc | 2400 | fSecAU = sec; |
2401 | } | |
2402 | ||
2403 | //_____________________________________________________________________________ | |
2404 | void AliTPC::SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6) | |
2405 | { | |
8c555625 | 2406 | //---------------------------------------- |
fe4da5cc | 2407 | // Select active lower sectors |
8c555625 | 2408 | //---------------------------------------- |
2409 | ||
2410 | //----------------------------------------------------------------- | |
2411 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2412 | //----------------------------------------------------------------- | |
2413 | ||
fe4da5cc | 2414 | fSecLows[0] = s1; |
2415 | fSecLows[1] = s2; | |
2416 | fSecLows[2] = s3; | |
2417 | fSecLows[3] = s4; | |
2418 | fSecLows[4] = s5; | |
2419 | fSecLows[5] = s6; | |
2420 | } | |
2421 | ||
2422 | //_____________________________________________________________________________ | |
2423 | void AliTPC::SetSecUps(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6, | |
2424 | Int_t s7, Int_t s8 ,Int_t s9 ,Int_t s10, | |
2425 | Int_t s11 , Int_t s12) | |
2426 | { | |
8c555625 | 2427 | //-------------------------------- |
fe4da5cc | 2428 | // Select active upper sectors |
8c555625 | 2429 | //-------------------------------- |
2430 | ||
2431 | //----------------------------------------------------------------- | |
2432 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2433 | //----------------------------------------------------------------- | |
2434 | ||
fe4da5cc | 2435 | fSecUps[0] = s1; |
2436 | fSecUps[1] = s2; | |
2437 | fSecUps[2] = s3; | |
2438 | fSecUps[3] = s4; | |
2439 | fSecUps[4] = s5; | |
2440 | fSecUps[5] = s6; | |
2441 | fSecUps[6] = s7; | |
2442 | fSecUps[7] = s8; | |
2443 | fSecUps[8] = s9; | |
2444 | fSecUps[9] = s10; | |
2445 | fSecUps[10] = s11; | |
2446 | fSecUps[11] = s12; | |
2447 | } | |
2448 | ||
2449 | //_____________________________________________________________________________ | |
2450 | void AliTPC::SetSens(Int_t sens) | |
2451 | { | |
8c555625 | 2452 | |
2453 | //------------------------------------------------------------- | |
2454 | // Activates/deactivates the sensitive strips at the center of | |
2455 | // the pad row -- this is for the space-point resolution calculations | |
2456 | //------------------------------------------------------------- | |
2457 | ||
2458 | //----------------------------------------------------------------- | |
2459 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2460 | //----------------------------------------------------------------- | |
2461 | ||
fe4da5cc | 2462 | fSens = sens; |
2463 | } | |
2b06d5c3 | 2464 | |
4b0fdcad | 2465 | |
73042f01 | 2466 | void AliTPC::SetSide(Float_t side=0.) |
4b0fdcad | 2467 | { |
73042f01 | 2468 | // choice of the TPC side |
2469 | ||
4b0fdcad | 2470 | fSide = side; |
2471 | ||
2472 | } | |
1283eee5 | 2473 | //____________________________________________________________________________ |
2474 | void AliTPC::SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1, | |
2475 | Float_t p2,Float_t p3) | |
2476 | { | |
fe4da5cc | 2477 | |
73042f01 | 2478 | // gax mixture definition |
2479 | ||
1283eee5 | 2480 | fNoComp = nc; |
2481 | ||
2482 | fMixtComp[0]=c1; | |
2483 | fMixtComp[1]=c2; | |
2484 | fMixtComp[2]=c3; | |
2485 | ||
2486 | fMixtProp[0]=p1; | |
2487 | fMixtProp[1]=p2; | |
2488 | fMixtProp[2]=p3; | |
2489 | ||
2490 | ||
cc80f89e | 2491 | } |
2492 | //_____________________________________________________________________________ | |
2493 | ||
2494 | void AliTPC::TransportElectron(Float_t *xyz, Int_t *index) | |
2495 | { | |
2496 | // | |
2497 | // electron transport taking into account: | |
2498 | // 1. diffusion, | |
2499 | // 2.ExB at the wires | |
2500 | // 3. nonisochronity | |
2501 | // | |
2502 | // xyz and index must be already transformed to system 1 | |
2503 | // | |
2504 | ||
2505 | fTPCParam->Transform1to2(xyz,index); | |
2506 | ||
2507 | //add diffusion | |
2508 | Float_t driftl=xyz[2]; | |
2509 | if(driftl<0.01) driftl=0.01; | |
2510 | driftl=TMath::Sqrt(driftl); | |
73042f01 | 2511 | Float_t sigT = driftl*(fTPCParam->GetDiffT()); |
2512 | Float_t sigL = driftl*(fTPCParam->GetDiffL()); | |
2513 | xyz[0]=gRandom->Gaus(xyz[0],sigT); | |
2514 | xyz[1]=gRandom->Gaus(xyz[1],sigT); | |
2515 | xyz[2]=gRandom->Gaus(xyz[2],sigL); | |
cc80f89e | 2516 | |
2517 | // ExB | |
2518 | ||
2519 | if (fTPCParam->GetMWPCReadout()==kTRUE){ | |
b584c7dd | 2520 | Float_t dx = fTPCParam->Transform2to2NearestWire(xyz,index); |
cc80f89e | 2521 | xyz[1]+=dx*(fTPCParam->GetOmegaTau()); |
2522 | } | |
b584c7dd | 2523 | //add nonisochronity (not implemented yet) |
1283eee5 | 2524 | } |
fe4da5cc | 2525 | |
fe4da5cc | 2526 | ClassImp(AliTPCdigit) |
2527 | ||
2528 | //_____________________________________________________________________________ | |
2529 | AliTPCdigit::AliTPCdigit(Int_t *tracks, Int_t *digits): | |
2530 | AliDigit(tracks) | |
2531 | { | |
2532 | // | |
2533 | // Creates a TPC digit object | |
2534 | // | |
2535 | fSector = digits[0]; | |
2536 | fPadRow = digits[1]; | |
2537 | fPad = digits[2]; | |
2538 | fTime = digits[3]; | |
2539 | fSignal = digits[4]; | |
2540 | } | |
2541 | ||
2542 | ||
2543 | ClassImp(AliTPChit) | |
2544 | ||
2545 | //_____________________________________________________________________________ | |
2546 | AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): | |
2547 | AliHit(shunt,track) | |
2548 | { | |
2549 | // | |
2550 | // Creates a TPC hit object | |
2551 | // | |
2552 | fSector = vol[0]; | |
2553 | fPadRow = vol[1]; | |
2554 | fX = hits[0]; | |
2555 | fY = hits[1]; | |
2556 | fZ = hits[2]; | |
2557 | fQ = hits[3]; | |
2558 | } | |
2559 | ||
39c8eb58 | 2560 | //________________________________________________________________________ |
792bb11c | 2561 | // Additional code because of the AliTPCTrackHitsV2 |
39c8eb58 | 2562 | |
176aff27 | 2563 | void AliTPC::MakeBranch2(Option_t *option,const char */*file*/) |
39c8eb58 | 2564 | { |
2565 | // | |
2566 | // Create a new branch in the current Root Tree | |
2567 | // The branch of fHits is automatically split | |
2568 | // MI change 14.09.2000 | |
88cb7938 | 2569 | if(GetDebug()) Info("MakeBranch2",""); |
792bb11c | 2570 | if (fHitType<2) return; |
39c8eb58 | 2571 | char branchname[10]; |
2572 | sprintf(branchname,"%s2",GetName()); | |
2573 | // | |
2574 | // Get the pointer to the header | |
5cf7bbad | 2575 | const char *cH = strstr(option,"H"); |
39c8eb58 | 2576 | // |
88cb7938 | 2577 | if (fTrackHits && TreeH() && cH && fHitType&4) |
2578 | { | |
2579 | if(GetDebug()) Info("MakeBranch2","Making branch for Type 4 Hits"); | |
2580 | TreeH()->Branch(branchname,"AliTPCTrackHitsV2",&fTrackHits,fBufferSize,99); | |
2581 | } | |
792bb11c | 2582 | |
88cb7938 | 2583 | if (fTrackHitsOld && TreeH() && cH && fHitType&2) |
2584 | { | |
2585 | if(GetDebug()) Info("MakeBranch2","Making branch for Type 2 Hits"); | |
792bb11c | 2586 | AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHits",&fTrackHitsOld, |
88cb7938 | 2587 | TreeH(),fBufferSize,99); |
2588 | TreeH()->GetListOfBranches()->Add(branch); | |
2589 | } | |
39c8eb58 | 2590 | } |
2591 | ||
2592 | void AliTPC::SetTreeAddress() | |
2593 | { | |
88cb7938 | 2594 | //Sets tree address for hits |
2595 | if (fHitType<=1) | |
2596 | { | |
2597 | if (fHits == 0x0 ) fHits = new TClonesArray("AliTPChit", 176);//skowron 20.06.03 | |
2598 | AliDetector::SetTreeAddress(); | |
2599 | } | |
792bb11c | 2600 | if (fHitType>1) SetTreeAddress2(); |
39c8eb58 | 2601 | } |
2602 | ||
2603 | void AliTPC::SetTreeAddress2() | |
2604 | { | |
2605 | // | |
2606 | // Set branch address for the TrackHits Tree | |
2607 | // | |
88cb7938 | 2608 | if(GetDebug()) Info("SetTreeAddress2",""); |
2609 | ||
39c8eb58 | 2610 | TBranch *branch; |
2611 | char branchname[20]; | |
2612 | sprintf(branchname,"%s2",GetName()); | |
2613 | // | |
2614 | // Branch address for hit tree | |
88cb7938 | 2615 | TTree *treeH = TreeH(); |
792bb11c | 2616 | if ((treeH)&&(fHitType&4)) { |
39c8eb58 | 2617 | branch = treeH->GetBranch(branchname); |
88cb7938 | 2618 | if (branch) |
2619 | { | |
2620 | branch->SetAddress(&fTrackHits); | |
f2a509af | 2621 | if (GetDebug()) Info("SetTreeAddress2","fHitType&4 Setting"); |
88cb7938 | 2622 | } |
f2a509af | 2623 | else |
2624 | if (GetDebug()) Info("SetTreeAddress2","fHitType&4 Failed (can not find branch)"); | |
2625 | ||
39c8eb58 | 2626 | } |
792bb11c | 2627 | if ((treeH)&&(fHitType&2)) { |
2628 | branch = treeH->GetBranch(branchname); | |
88cb7938 | 2629 | if (branch) |
2630 | { | |
2631 | branch->SetAddress(&fTrackHitsOld); | |
f2a509af | 2632 | if (GetDebug()) Info("SetTreeAddress2","fHitType&2 Setting"); |
88cb7938 | 2633 | } |
f2a509af | 2634 | else if (GetDebug()) |
2635 | Info("SetTreeAddress2","fHitType&2 Failed (can not find branch)"); | |
792bb11c | 2636 | } |
b6e0d3fe | 2637 | //set address to TREETR |
88cb7938 | 2638 | |
2639 | TTree *treeTR = TreeTR(); | |
b6e0d3fe | 2640 | if (treeTR && fTrackReferences) { |
2641 | branch = treeTR->GetBranch(GetName()); | |
2642 | if (branch) branch->SetAddress(&fTrackReferences); | |
2643 | } | |
2644 | ||
39c8eb58 | 2645 | } |
2646 | ||
2647 | void AliTPC::FinishPrimary() | |
2648 | { | |
792bb11c | 2649 | if (fTrackHits &&fHitType&4) fTrackHits->FlushHitStack(); |
2650 | if (fTrackHitsOld && fHitType&2) fTrackHitsOld->FlushHitStack(); | |
39c8eb58 | 2651 | } |
2652 | ||
2653 | ||
2654 | void AliTPC::AddHit2(Int_t track, Int_t *vol, Float_t *hits) | |
2655 | { | |
2656 | // | |
2657 | // add hit to the list | |
39c8eb58 | 2658 | Int_t rtrack; |
2659 | if (fIshunt) { | |
5d12ce38 | 2660 | int primary = gAlice->GetMCApp()->GetPrimary(track); |
2661 | gAlice->GetMCApp()->Particle(primary)->SetBit(kKeepBit); | |
39c8eb58 | 2662 | rtrack=primary; |
2663 | } else { | |
2664 | rtrack=track; | |
5d12ce38 | 2665 | gAlice->GetMCApp()->FlagTrack(track); |
39c8eb58 | 2666 | } |
2667 | //AliTPChit *hit = (AliTPChit*)fHits->UncheckedAt(fNhits-1); | |
2668 | //if (hit->fTrack!=rtrack) | |
2669 | // cout<<"bad track number\n"; | |
792bb11c | 2670 | if (fTrackHits && fHitType&4) |
39c8eb58 | 2671 | fTrackHits->AddHitKartez(vol[0],rtrack, hits[0], |
88cb7938 | 2672 | hits[1],hits[2],(Int_t)hits[3]); |
792bb11c | 2673 | if (fTrackHitsOld &&fHitType&2 ) |
2674 | fTrackHitsOld->AddHitKartez(vol[0],rtrack, hits[0], | |
88cb7938 | 2675 | hits[1],hits[2],(Int_t)hits[3]); |
792bb11c | 2676 | |
39c8eb58 | 2677 | } |
2678 | ||
2679 | void AliTPC::ResetHits() | |
88cb7938 | 2680 | { |
39c8eb58 | 2681 | if (fHitType&1) AliDetector::ResetHits(); |
792bb11c | 2682 | if (fHitType>1) ResetHits2(); |
39c8eb58 | 2683 | } |
2684 | ||
2685 | void AliTPC::ResetHits2() | |
2686 | { | |
2687 | // | |
2688 | //reset hits | |
792bb11c | 2689 | if (fTrackHits && fHitType&4) fTrackHits->Clear(); |
2690 | if (fTrackHitsOld && fHitType&2) fTrackHitsOld->Clear(); | |
2691 | ||
39c8eb58 | 2692 | } |
2693 | ||
2694 | AliHit* AliTPC::FirstHit(Int_t track) | |
2695 | { | |
792bb11c | 2696 | if (fHitType>1) return FirstHit2(track); |
39c8eb58 | 2697 | return AliDetector::FirstHit(track); |
2698 | } | |
2699 | AliHit* AliTPC::NextHit() | |
2700 | { | |
9bdd974b | 2701 | // |
2702 | // gets next hit | |
2703 | // | |
792bb11c | 2704 | if (fHitType>1) return NextHit2(); |
2705 | ||
39c8eb58 | 2706 | return AliDetector::NextHit(); |
2707 | } | |
2708 | ||
2709 | AliHit* AliTPC::FirstHit2(Int_t track) | |
2710 | { | |
2711 | // | |
2712 | // Initialise the hit iterator | |
2713 | // Return the address of the first hit for track | |
2714 | // If track>=0 the track is read from disk | |
2715 | // while if track<0 the first hit of the current | |
2716 | // track is returned | |
2717 | // | |
2718 | if(track>=0) { | |
2719 | gAlice->ResetHits(); | |
88cb7938 | 2720 | TreeH()->GetEvent(track); |
39c8eb58 | 2721 | } |
2722 | // | |
792bb11c | 2723 | if (fTrackHits && fHitType&4) { |
39c8eb58 | 2724 | fTrackHits->First(); |
2725 | return fTrackHits->GetHit(); | |
2726 | } | |
792bb11c | 2727 | if (fTrackHitsOld && fHitType&2) { |
2728 | fTrackHitsOld->First(); | |
2729 | return fTrackHitsOld->GetHit(); | |
2730 | } | |
2731 | ||
39c8eb58 | 2732 | else return 0; |
2733 | } | |
2734 | ||
2735 | AliHit* AliTPC::NextHit2() | |
2736 | { | |
2737 | // | |
2738 | //Return the next hit for the current track | |
2739 | ||
792bb11c | 2740 | |
2741 | if (fTrackHitsOld && fHitType&2) { | |
2742 | fTrackHitsOld->Next(); | |
2743 | return fTrackHitsOld->GetHit(); | |
2744 | } | |
39c8eb58 | 2745 | if (fTrackHits) { |
2746 | fTrackHits->Next(); | |
2747 | return fTrackHits->GetHit(); | |
2748 | } | |
2749 | else | |
2750 | return 0; | |
2751 | } | |
2752 | ||
2753 | void AliTPC::LoadPoints(Int_t) | |
2754 | { | |
2755 | // | |
2756 | Int_t a = 0; | |
f2e8b846 | 2757 | /* if(fHitType==1) return AliDetector::LoadPoints(a); |
39c8eb58 | 2758 | LoadPoints2(a); |
f2e8b846 | 2759 | */ |
2760 | if(fHitType==1) AliDetector::LoadPoints(a); | |
2761 | else LoadPoints2(a); | |
2762 | ||
39c8eb58 | 2763 | // LoadPoints3(a); |
2764 | ||
2765 | } | |
2766 | ||
2767 | ||
2768 | void AliTPC::RemapTrackHitIDs(Int_t *map) | |
2769 | { | |
9bdd974b | 2770 | // |
2771 | // remapping | |
2772 | // | |
39c8eb58 | 2773 | if (!fTrackHits) return; |
39c8eb58 | 2774 | |
792bb11c | 2775 | if (fTrackHitsOld && fHitType&2){ |
2776 | AliObjectArray * arr = fTrackHitsOld->fTrackHitsInfo; | |
2777 | for (UInt_t i=0;i<arr->GetSize();i++){ | |
2778 | AliTrackHitsInfo * info = (AliTrackHitsInfo *)(arr->At(i)); | |
2779 | info->fTrackID = map[info->fTrackID]; | |
2780 | } | |
2781 | } | |
2782 | if (fTrackHitsOld && fHitType&4){ | |
2783 | TClonesArray * arr = fTrackHits->GetArray();; | |
2784 | for (Int_t i=0;i<arr->GetEntriesFast();i++){ | |
2785 | AliTrackHitsParamV2 * info = (AliTrackHitsParamV2 *)(arr->At(i)); | |
2786 | info->fTrackID = map[info->fTrackID]; | |
2787 | } | |
2788 | } | |
39c8eb58 | 2789 | } |
2790 | ||
792bb11c | 2791 | Bool_t AliTPC::TrackInVolume(Int_t id,Int_t track) |
2792 | { | |
2793 | //return bool information - is track in given volume | |
2794 | //load only part of the track information | |
2795 | //return true if current track is in volume | |
2796 | // | |
2797 | // return kTRUE; | |
2798 | if (fTrackHitsOld && fHitType&2) { | |
88cb7938 | 2799 | TBranch * br = TreeH()->GetBranch("fTrackHitsInfo"); |
792bb11c | 2800 | br->GetEvent(track); |
2801 | AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo; | |
2802 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
2803 | if ( ((AliTrackHitsInfo*)ar->At(j))->fVolumeID==id) return kTRUE; | |
2804 | } | |
2805 | } | |
2806 | ||
2807 | if (fTrackHits && fHitType&4) { | |
88cb7938 | 2808 | TBranch * br1 = TreeH()->GetBranch("fVolumes"); |
2809 | TBranch * br2 = TreeH()->GetBranch("fNVolumes"); | |
792bb11c | 2810 | br2->GetEvent(track); |
2811 | br1->GetEvent(track); | |
2812 | Int_t *volumes = fTrackHits->GetVolumes(); | |
2813 | Int_t nvolumes = fTrackHits->GetNVolumes(); | |
2814 | if (!volumes && nvolumes>0) { | |
2815 | printf("Problematic track\t%d\t%d",track,nvolumes); | |
2816 | return kFALSE; | |
2817 | } | |
2818 | for (Int_t j=0;j<nvolumes; j++) | |
2819 | if (volumes[j]==id) return kTRUE; | |
2820 | } | |
2821 | ||
2822 | if (fHitType&1) { | |
88cb7938 | 2823 | TBranch * br = TreeH()->GetBranch("fSector"); |
792bb11c | 2824 | br->GetEvent(track); |
2825 | for (Int_t j=0;j<fHits->GetEntriesFast();j++){ | |
2826 | if ( ((AliTPChit*)fHits->At(j))->fSector==id) return kTRUE; | |
2827 | } | |
2828 | } | |
2829 | return kFALSE; | |
2830 | ||
2831 | } | |
39c8eb58 | 2832 | |
2833 | //_____________________________________________________________________________ | |
2834 | void AliTPC::LoadPoints2(Int_t) | |
2835 | { | |
2836 | // | |
2837 | // Store x, y, z of all hits in memory | |
2838 | // | |
792bb11c | 2839 | if (fTrackHits == 0 && fTrackHitsOld==0) return; |
39c8eb58 | 2840 | // |
792bb11c | 2841 | Int_t nhits =0; |
2842 | if (fHitType&4) nhits = fTrackHits->GetEntriesFast(); | |
2843 | if (fHitType&2) nhits = fTrackHitsOld->GetEntriesFast(); | |
2844 | ||
39c8eb58 | 2845 | if (nhits == 0) return; |
5d12ce38 | 2846 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
39c8eb58 | 2847 | if (fPoints == 0) fPoints = new TObjArray(tracks); |
2848 | AliHit *ahit; | |
2849 | // | |
2850 | Int_t *ntrk=new Int_t[tracks]; | |
2851 | Int_t *limi=new Int_t[tracks]; | |
2852 | Float_t **coor=new Float_t*[tracks]; | |
2853 | for(Int_t i=0;i<tracks;i++) { | |
2854 | ntrk[i]=0; | |
2855 | coor[i]=0; | |
2856 | limi[i]=0; | |
2857 | } | |
2858 | // | |
2859 | AliPoints *points = 0; | |
2860 | Float_t *fp=0; | |
2861 | Int_t trk; | |
2862 | Int_t chunk=nhits/4+1; | |
2863 | // | |
2864 | // Loop over all the hits and store their position | |
2865 | // | |
2866 | ahit = FirstHit2(-1); | |
39c8eb58 | 2867 | while (ahit){ |
39c8eb58 | 2868 | trk=ahit->GetTrack(); |
2869 | if(ntrk[trk]==limi[trk]) { | |
2870 | // | |
2871 | // Initialise a new track | |
2872 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2873 | if(coor[trk]) { | |
2874 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2875 | delete [] coor[trk]; | |
2876 | } | |
2877 | limi[trk]+=chunk; | |
2878 | coor[trk] = fp; | |
2879 | } else { | |
2880 | fp = coor[trk]; | |
2881 | } | |
2882 | fp[3*ntrk[trk] ] = ahit->X(); | |
2883 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2884 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2885 | ntrk[trk]++; | |
2886 | ahit = NextHit2(); | |
2887 | } | |
792bb11c | 2888 | |
2889 | ||
2890 | ||
39c8eb58 | 2891 | // |
2892 | for(trk=0; trk<tracks; ++trk) { | |
2893 | if(ntrk[trk]) { | |
2894 | points = new AliPoints(); | |
2895 | points->SetMarkerColor(GetMarkerColor()); | |
2896 | points->SetMarkerSize(GetMarkerSize()); | |
2897 | points->SetDetector(this); | |
2898 | points->SetParticle(trk); | |
2899 | points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()); | |
2900 | fPoints->AddAt(points,trk); | |
2901 | delete [] coor[trk]; | |
2902 | coor[trk]=0; | |
2903 | } | |
2904 | } | |
2905 | delete [] coor; | |
2906 | delete [] ntrk; | |
2907 | delete [] limi; | |
2908 | } | |
2909 | ||
2910 | ||
2911 | //_____________________________________________________________________________ | |
2912 | void AliTPC::LoadPoints3(Int_t) | |
2913 | { | |
2914 | // | |
2915 | // Store x, y, z of all hits in memory | |
2916 | // - only intersection point with pad row | |
2917 | if (fTrackHits == 0) return; | |
2918 | // | |
2919 | Int_t nhits = fTrackHits->GetEntriesFast(); | |
2920 | if (nhits == 0) return; | |
5d12ce38 | 2921 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
39c8eb58 | 2922 | if (fPoints == 0) fPoints = new TObjArray(2*tracks); |
2923 | fPoints->Expand(2*tracks); | |
2924 | AliHit *ahit; | |
2925 | // | |
2926 | Int_t *ntrk=new Int_t[tracks]; | |
2927 | Int_t *limi=new Int_t[tracks]; | |
2928 | Float_t **coor=new Float_t*[tracks]; | |
2929 | for(Int_t i=0;i<tracks;i++) { | |
2930 | ntrk[i]=0; | |
2931 | coor[i]=0; | |
2932 | limi[i]=0; | |
2933 | } | |
2934 | // | |
2935 | AliPoints *points = 0; | |
2936 | Float_t *fp=0; | |
2937 | Int_t trk; | |
2938 | Int_t chunk=nhits/4+1; | |
2939 | // | |
2940 | // Loop over all the hits and store their position | |
2941 | // | |
2942 | ahit = FirstHit2(-1); | |
2943 | //for (Int_t hit=0;hit<nhits;hit++) { | |
2944 | ||
2945 | Int_t lastrow = -1; | |
2946 | while (ahit){ | |
2947 | // ahit = (AliHit*)fHits->UncheckedAt(hit); | |
2948 | trk=ahit->GetTrack(); | |
2949 | Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()}; | |
2950 | Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0}; | |
2951 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
2952 | if (currentrow!=lastrow){ | |
2953 | lastrow = currentrow; | |
2954 | //later calculate intersection point | |
2955 | if(ntrk[trk]==limi[trk]) { | |
2956 | // | |
2957 | // Initialise a new track | |
2958 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2959 | if(coor[trk]) { | |
2960 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2961 | delete [] coor[trk]; | |
2962 | } | |
2963 | limi[trk]+=chunk; | |
2964 | coor[trk] = fp; | |
2965 | } else { | |
2966 | fp = coor[trk]; | |
2967 | } | |
2968 | fp[3*ntrk[trk] ] = ahit->X(); | |
2969 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2970 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2971 | ntrk[trk]++; | |
2972 | } | |
2973 | ahit = NextHit2(); | |
2974 | } | |
2975 | ||
2976 | // | |
2977 | for(trk=0; trk<tracks; ++trk) { | |
2978 | if(ntrk[trk]) { | |
2979 | points = new AliPoints(); | |
2980 | points->SetMarkerColor(GetMarkerColor()+1); | |
2981 | points->SetMarkerStyle(5); | |
2982 | points->SetMarkerSize(0.2); | |
2983 | points->SetDetector(this); | |
2984 | points->SetParticle(trk); | |
2985 | // points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()20); | |
2986 | points->SetPolyMarker(ntrk[trk],coor[trk],30); | |
2987 | fPoints->AddAt(points,tracks+trk); | |
2988 | delete [] coor[trk]; | |
2989 | coor[trk]=0; | |
2990 | } | |
2991 | } | |
2992 | delete [] coor; | |
2993 | delete [] ntrk; | |
2994 | delete [] limi; | |
2995 | } | |
2996 | ||
2997 | ||
2998 | ||
176aff27 | 2999 | void AliTPC::FindTrackHitsIntersection(TClonesArray * /*arr*/) |
39c8eb58 | 3000 | { |
3001 | ||
3002 | // | |
3003 | //fill clones array with intersection of current point with the | |
3004 | //middle of the row | |
3005 | Int_t sector; | |
3006 | Int_t ipart; | |
3007 | ||
3008 | const Int_t kcmaxhits=30000; | |
de61d5d5 | 3009 | AliTPCFastVector * xxxx = new AliTPCFastVector(kcmaxhits*4); |
3010 | AliTPCFastVector & xxx = *xxxx; | |
39c8eb58 | 3011 | Int_t maxhits = kcmaxhits; |
3012 | ||
3013 | // | |
3014 | AliTPChit * tpcHit=0; | |
3015 | tpcHit = (AliTPChit*)FirstHit2(-1); | |
3016 | Int_t currentIndex=0; | |
3017 | Int_t lastrow=-1; //last writen row | |
3018 | ||
3019 | while (tpcHit){ | |
3020 | if (tpcHit==0) continue; | |
3021 | sector=tpcHit->fSector; // sector number | |
3022 | ipart=tpcHit->Track(); | |
3023 | ||
3024 | //find row number | |
3025 | ||
3026 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; | |
3027 | Int_t index[3]={1,sector,0}; | |
3028 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
3029 | if (currentrow<0) continue; | |
3030 | if (lastrow<0) lastrow=currentrow; | |
3031 | if (currentrow==lastrow){ | |
3032 | if ( currentIndex>=maxhits){ | |
3033 | maxhits+=kcmaxhits; | |
3034 | xxx.ResizeTo(4*maxhits); | |
3035 | } | |
3036 | xxx(currentIndex*4)=x[0]; | |
3037 | xxx(currentIndex*4+1)=x[1]; | |
3038 | xxx(currentIndex*4+2)=x[2]; | |
3039 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
3040 | currentIndex++; | |
3041 | } | |
3042 | else | |
3043 | if (currentIndex>2){ | |
3044 | Float_t sumx=0; | |
3045 | Float_t sumx2=0; | |
3046 | Float_t sumx3=0; | |
3047 | Float_t sumx4=0; | |
3048 | Float_t sumy=0; | |
3049 | Float_t sumxy=0; | |
3050 | Float_t sumx2y=0; | |
3051 | Float_t sumz=0; | |
3052 | Float_t sumxz=0; | |
3053 | Float_t sumx2z=0; | |
3054 | Float_t sumq=0; | |
3055 | for (Int_t index=0;index<currentIndex;index++){ | |
3056 | Float_t x,x2,x3,x4; | |
3057 | x=x2=x3=x4=xxx(index*4); | |
3058 | x2*=x; | |
3059 | x3*=x2; | |
3060 | x4*=x3; | |
3061 | sumx+=x; | |
3062 | sumx2+=x2; | |
3063 | sumx3+=x3; | |
3064 | sumx4+=x4; | |
3065 | sumy+=xxx(index*4+1); | |
3066 | sumxy+=xxx(index*4+1)*x; | |
3067 | sumx2y+=xxx(index*4+1)*x2; | |
3068 | sumz+=xxx(index*4+2); | |
3069 | sumxz+=xxx(index*4+2)*x; | |
3070 | sumx2z+=xxx(index*4+2)*x2; | |
3071 | sumq+=xxx(index*4+3); | |
3072 | } | |
3073 | Float_t centralPad = (fTPCParam->GetNPads(sector,lastrow)-1)/2; | |
3074 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ | |
3075 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
3076 | ||
3077 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
3078 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
3079 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
3080 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
3081 | ||
3082 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
3083 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
3084 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
3085 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
3086 | ||
3087 | Float_t y=detay/det+centralPad; | |
3088 | Float_t z=detaz/det; | |
3089 | Float_t by=detby/det; //y angle | |
3090 | Float_t bz=detbz/det; //z angle | |
3091 | sumy/=Float_t(currentIndex); | |
3092 | sumz/=Float_t(currentIndex); | |
3093 | ||
3094 | AliComplexCluster cl; | |
3095 | cl.fX=z; | |
3096 | cl.fY=y; | |
3097 | cl.fQ=sumq; | |
3098 | cl.fSigmaX2=bz; | |
3099 | cl.fSigmaY2=by; | |
3100 | cl.fTracks[0]=ipart; | |
3101 | ||
3102 | AliTPCClustersRow * row = (fClustersArray->GetRow(sector,lastrow)); | |
3103 | if (row!=0) row->InsertCluster(&cl); | |
3104 | currentIndex=0; | |
3105 | lastrow=currentrow; | |
3106 | } //end of calculating cluster for given row | |
3107 | ||
3108 | } // end of loop over hits | |
3109 | xxxx->Delete(); | |
39c8eb58 | 3110 | |
3111 | } | |
afc42102 | 3112 | //_______________________________________________________________________________ |
a62d28a2 | 3113 | void AliTPC::Digits2Reco(Int_t firstevent,Int_t lastevent) |
afc42102 | 3114 | { |
a62d28a2 | 3115 | // produces rec points from digits and writes them on the root file |
3116 | // AliTPCclusters.root | |
3117 | ||
3118 | TDirectory *cwd = gDirectory; | |
3119 | ||
3120 | ||
7a09f434 | 3121 | AliTPCParamSR *dig=(AliTPCParamSR *)gDirectory->Get("75x40_100x60"); |
3122 | if(dig){ | |
3123 | printf("You are running 2 pad-length geom hits with 3 pad-length geom digits\n"); | |
3124 | delete dig; | |
3125 | dig = new AliTPCParamSR(); | |
3126 | } | |
3127 | else | |
3128 | { | |
3129 | dig=(AliTPCParamSR *)gDirectory->Get("75x40_100x60_150x60"); | |
3130 | } | |
3131 | if(!dig){ | |
3132 | printf("No TPC parameters found\n"); | |
3133 | exit(3); | |
3134 | } | |
3135 | ||
a62d28a2 | 3136 | SetParam(dig); |
3137 | cout<<"AliTPC::Digits2Reco: TPC parameteres have been set"<<endl; | |
3138 | TFile *out; | |
3139 | if(!gSystem->Getenv("CONFIG_FILE")){ | |
3140 | out=TFile::Open("AliTPCclusters.root","recreate"); | |
3141 | } | |
3142 | else { | |
3143 | const char *tmp1; | |
3144 | const char *tmp2; | |
3145 | char tmp3[80]; | |
3146 | tmp1=gSystem->Getenv("CONFIG_FILE_PREFIX"); | |
3147 | tmp2=gSystem->Getenv("CONFIG_OUTDIR"); | |
3148 | sprintf(tmp3,"%s%s/AliTPCclusters.root",tmp1,tmp2); | |
3149 | out=TFile::Open(tmp3,"recreate"); | |
3150 | } | |
3151 | ||
3152 | TStopwatch timer; | |
3153 | cout<<"AliTPC::Digits2Reco - determination of rec points begins"<<endl; | |
3154 | timer.Start(); | |
3155 | cwd->cd(); | |
3156 | for(Int_t iev=firstevent;iev<lastevent+1;iev++){ | |
3157 | ||
3158 | printf("Processing event %d\n",iev); | |
88cb7938 | 3159 | Digits2Clusters(iev); |
a62d28a2 | 3160 | } |
3161 | cout<<"AliTPC::Digits2Reco - determination of rec points ended"<<endl; | |
3162 | timer.Stop(); | |
3163 | timer.Print(); | |
3164 | out->Close(); | |
3165 | cwd->cd(); | |
3166 | ||
3167 | ||
afc42102 | 3168 | } |
42157e55 | 3169 | |
88cb7938 | 3170 | AliLoader* AliTPC::MakeLoader(const char* topfoldername) |
3171 | { | |
f2a509af | 3172 | //Makes TPC loader |
88cb7938 | 3173 | fLoader = new AliTPCLoader(GetName(),topfoldername); |
88cb7938 | 3174 | return fLoader; |
3175 | } | |
3176 | ||
42157e55 | 3177 | //////////////////////////////////////////////////////////////////////// |
3178 | AliTPCParam* AliTPC::LoadTPCParam(TFile *file) { | |
3179 | // | |
3180 | // load TPC paarmeters from a given file or create new if the object | |
3181 | // is not found there | |
88cb7938 | 3182 | // 12/05/2003 This method should be moved to the AliTPCLoader |
3183 | // and one has to decide where to store the TPC parameters | |
3184 | // M.Kowalski | |
42157e55 | 3185 | char paramName[50]; |
3186 | sprintf(paramName,"75x40_100x60_150x60"); | |
3187 | AliTPCParam *paramTPC=(AliTPCParam*)file->Get(paramName); | |
3188 | if (paramTPC) { | |
3189 | cout<<"TPC parameters "<<paramName<<" found."<<endl; | |
3190 | } else { | |
3191 | cerr<<"TPC parameters not found. Create new (they may be incorrect)." | |
3192 | <<endl; | |
3193 | paramTPC = new AliTPCParamSR; | |
3194 | } | |
3195 | return paramTPC; | |
3196 | ||
3197 | // the older version of parameters can be accessed with this code. | |
3198 | // In some cases, we have old parameters saved in the file but | |
3199 | // digits were created with new parameters, it can be distinguish | |
3200 | // by the name of TPC TreeD. The code here is just for the case | |
3201 | // we would need to compare with old data, uncomment it if needed. | |
3202 | // | |
3203 | // char paramName[50]; | |
3204 | // sprintf(paramName,"75x40_100x60"); | |
3205 | // AliTPCParam *paramTPC=(AliTPCParam*)in->Get(paramName); | |
3206 | // if (paramTPC) { | |
3207 | // cout<<"TPC parameters "<<paramName<<" found."<<endl; | |
3208 | // } else { | |
3209 | // sprintf(paramName,"75x40_100x60_150x60"); | |
3210 | // paramTPC=(AliTPCParam*)in->Get(paramName); | |
3211 | // if (paramTPC) { | |
3212 | // cout<<"TPC parameters "<<paramName<<" found."<<endl; | |
3213 | // } else { | |
3214 | // cerr<<"TPC parameters not found. Create new (they may be incorrect)." | |
3215 | // <<endl; | |
3216 | // paramTPC = new AliTPCParamSR; | |
3217 | // } | |
3218 | // } | |
3219 | // return paramTPC; | |
3220 | ||
3221 | } | |
3222 | ||
85a5290f | 3223 | |
3224 | //____________________________________________________________________________ | |
7138dcae | 3225 | Double_t SigmaY2(Double_t r, Double_t tgl, Double_t pt) |
3226 | { | |
3227 | // | |
85a5290f | 3228 | // Parametrised error of the cluster reconstruction (pad direction) |
7138dcae | 3229 | // |
3230 | // Sigma rphi | |
3231 | const Float_t kArphi=0.41818e-2; | |
3232 | const Float_t kBrphi=0.17460e-4; | |
3233 | const Float_t kCrphi=0.30993e-2; | |
3234 | const Float_t kDrphi=0.41061e-3; | |
85a5290f | 3235 | |
7138dcae | 3236 | pt=TMath::Abs(pt)*1000.; |
3237 | Double_t x=r/pt; | |
3238 | tgl=TMath::Abs(tgl); | |
3239 | Double_t s=kArphi - kBrphi*r*tgl + kCrphi*x*x + kDrphi*x; | |
3240 | if (s<0.4e-3) s=0.4e-3; | |
3241 | s*=1.3; //Iouri Belikov | |
3242 | ||
3243 | return s; | |
3244 | } | |
3245 | ||
85a5290f | 3246 | |
3247 | //____________________________________________________________________________ | |
3248 | Double_t SigmaZ2(Double_t r, Double_t tgl) | |
7138dcae | 3249 | { |
3250 | // | |
3251 | // Parametrised error of the cluster reconstruction (drift direction) | |
3252 | // | |
3253 | // Sigma z | |
3254 | const Float_t kAz=0.39614e-2; | |
3255 | const Float_t kBz=0.22443e-4; | |
3256 | const Float_t kCz=0.51504e-1; | |
85a5290f | 3257 | |
7138dcae | 3258 | |
3259 | tgl=TMath::Abs(tgl); | |
3260 | Double_t s=kAz - kBz*r*tgl + kCz*tgl*tgl; | |
3261 | if (s<0.4e-3) s=0.4e-3; | |
3262 | s*=1.3; //Iouri Belikov | |
3263 | ||
3264 | return s; | |
3265 | } | |
85a5290f | 3266 |