]>
Commit | Line | Data |
---|---|---|
4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
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" |
6bb8e9b9 | 81 | #include "AliTPCclustererMI.h" |
82 | #include "AliTPCtrackerMI.h" | |
596a855f | 83 | #include "AliTPCpidESD.h" |
39c8eb58 | 84 | |
85 | ||
fe4da5cc | 86 | ClassImp(AliTPC) |
87 | ||
de61d5d5 | 88 | //_____________________________________________________________________________ |
89 | // helper class for fast matrix and vector manipulation - no range checking | |
90 | // origin - Marian Ivanov | |
91 | ||
92 | class AliTPCFastMatrix : public TMatrix { | |
93 | public : | |
9bdd974b | 94 | AliTPCFastMatrix(Int_t rowlwb, Int_t rowupb, Int_t collwb, Int_t colupb); |
6bb8e9b9 | 95 | #if ROOT_VERSION_CODE >= ROOT_VERSION(4,0,1) |
96 | Float_t & UncheckedAt(Int_t rown, Int_t coln) const {return fElements[(rown-fRowLwb)*fNcols+(coln-fColLwb)];} //fast acces | |
97 | Float_t UncheckedAtFast(Int_t rown, Int_t coln) const {return fElements[(rown-fRowLwb)*fNcols+(coln-fColLwb)];} //fast acces | |
98 | #else | |
9bdd974b | 99 | Float_t & UncheckedAt(Int_t rown, Int_t coln) const {return (fIndex[coln])[rown];} //fast acces |
100 | Float_t UncheckedAtFast(Int_t rown, Int_t coln) const {return (fIndex[coln])[rown];} //fast acces | |
6bb8e9b9 | 101 | #endif |
de61d5d5 | 102 | }; |
103 | ||
9bdd974b | 104 | AliTPCFastMatrix::AliTPCFastMatrix(Int_t rowlwb, Int_t rowupb, Int_t collwb, Int_t colupb): |
105 | TMatrix(rowlwb, rowupb,collwb,colupb) | |
de61d5d5 | 106 | { |
107 | }; | |
108 | //_____________________________________________________________________________ | |
109 | class AliTPCFastVector : public TVector { | |
110 | public : | |
111 | AliTPCFastVector(Int_t size); | |
b6e0d3fe | 112 | virtual ~AliTPCFastVector(){;} |
9bdd974b | 113 | Float_t & UncheckedAt(Int_t index) const {return fElements[index];} //fast acces |
b6e0d3fe | 114 | |
de61d5d5 | 115 | }; |
116 | ||
117 | AliTPCFastVector::AliTPCFastVector(Int_t size):TVector(size){ | |
118 | }; | |
119 | ||
fe4da5cc | 120 | //_____________________________________________________________________________ |
121 | AliTPC::AliTPC() | |
122 | { | |
123 | // | |
124 | // Default constructor | |
125 | // | |
126 | fIshunt = 0; | |
fe4da5cc | 127 | fHits = 0; |
128 | fDigits = 0; | |
fe4da5cc | 129 | fNsectors = 0; |
cc80f89e | 130 | fDigitsArray = 0; |
131 | fClustersArray = 0; | |
afc42102 | 132 | fDefaults = 0; |
792bb11c | 133 | fTrackHits = 0; |
134 | fTrackHitsOld = 0; | |
da33556f | 135 | fHitType = 2; //default CONTAINERS - based on ROOT structure |
407ff276 | 136 | fTPCParam = 0; |
137 | fNoiseTable = 0; | |
792bb11c | 138 | fActiveSectors =0; |
407ff276 | 139 | |
fe4da5cc | 140 | } |
141 | ||
142 | //_____________________________________________________________________________ | |
143 | AliTPC::AliTPC(const char *name, const char *title) | |
144 | : AliDetector(name,title) | |
145 | { | |
146 | // | |
147 | // Standard constructor | |
148 | // | |
149 | ||
150 | // | |
151 | // Initialise arrays of hits and digits | |
152 | fHits = new TClonesArray("AliTPChit", 176); | |
5d12ce38 | 153 | gAlice->GetMCApp()->AddHitList(fHits); |
cc80f89e | 154 | fDigitsArray = 0; |
155 | fClustersArray= 0; | |
afc42102 | 156 | fDefaults = 0; |
fe4da5cc | 157 | // |
792bb11c | 158 | fTrackHits = new AliTPCTrackHitsV2; |
39c8eb58 | 159 | fTrackHits->SetHitPrecision(0.002); |
160 | fTrackHits->SetStepPrecision(0.003); | |
792bb11c | 161 | fTrackHits->SetMaxDistance(100); |
162 | ||
163 | fTrackHitsOld = new AliTPCTrackHits; //MI - 13.09.2000 | |
164 | fTrackHitsOld->SetHitPrecision(0.002); | |
165 | fTrackHitsOld->SetStepPrecision(0.003); | |
166 | fTrackHitsOld->SetMaxDistance(100); | |
167 | ||
407ff276 | 168 | fNoiseTable =0; |
39c8eb58 | 169 | |
da33556f | 170 | fHitType = 2; |
792bb11c | 171 | fActiveSectors = 0; |
39c8eb58 | 172 | // |
fe4da5cc | 173 | // Initialise counters |
cc80f89e | 174 | fNsectors = 0; |
cc80f89e | 175 | |
fe4da5cc | 176 | // |
177 | fIshunt = 0; | |
178 | // | |
179 | // Initialise color attributes | |
180 | SetMarkerColor(kYellow); | |
73042f01 | 181 | |
182 | // | |
183 | // Set TPC parameters | |
184 | // | |
185 | ||
afc42102 | 186 | |
187 | if (!strcmp(title,"Default")) { | |
188 | fTPCParam = new AliTPCParamSR; | |
73042f01 | 189 | } else { |
190 | cerr<<"AliTPC warning: in Config.C you must set non-default parameters\n"; | |
191 | fTPCParam=0; | |
192 | } | |
193 | ||
fe4da5cc | 194 | } |
195 | ||
196 | //_____________________________________________________________________________ | |
9bdd974b | 197 | AliTPC::AliTPC(const AliTPC& t):AliDetector(t){ |
198 | // | |
199 | // dummy copy constructor | |
200 | // | |
201 | } | |
fe4da5cc | 202 | AliTPC::~AliTPC() |
203 | { | |
204 | // | |
205 | // TPC destructor | |
206 | // | |
73042f01 | 207 | |
fe4da5cc | 208 | fIshunt = 0; |
209 | delete fHits; | |
210 | delete fDigits; | |
73042f01 | 211 | delete fTPCParam; |
39c8eb58 | 212 | delete fTrackHits; //MI 15.09.2000 |
792bb11c | 213 | delete fTrackHitsOld; //MI 10.12.2001 |
407ff276 | 214 | if (fNoiseTable) delete [] fNoiseTable; |
215 | ||
fe4da5cc | 216 | } |
217 | ||
fe4da5cc | 218 | //_____________________________________________________________________________ |
219 | void AliTPC::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
220 | { | |
221 | // | |
222 | // Add a hit to the list | |
223 | // | |
39c8eb58 | 224 | // TClonesArray &lhits = *fHits; |
225 | // new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
226 | if (fHitType&1){ | |
227 | TClonesArray &lhits = *fHits; | |
228 | new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
229 | } | |
792bb11c | 230 | if (fHitType>1) |
39c8eb58 | 231 | AddHit2(track,vol,hits); |
fe4da5cc | 232 | } |
88cb7938 | 233 | |
fe4da5cc | 234 | //_____________________________________________________________________________ |
235 | void AliTPC::BuildGeometry() | |
236 | { | |
cc80f89e | 237 | |
fe4da5cc | 238 | // |
239 | // Build TPC ROOT TNode geometry for the event display | |
240 | // | |
73042f01 | 241 | TNode *nNode, *nTop; |
fe4da5cc | 242 | TTUBS *tubs; |
243 | Int_t i; | |
244 | const int kColorTPC=19; | |
1283eee5 | 245 | char name[5], title[25]; |
fe4da5cc | 246 | const Double_t kDegrad=TMath::Pi()/180; |
1283eee5 | 247 | const Double_t kRaddeg=180./TMath::Pi(); |
248 | ||
1283eee5 | 249 | |
73042f01 | 250 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); |
251 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
1283eee5 | 252 | |
73042f01 | 253 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); |
254 | Float_t outerAngleShift = fTPCParam->GetOuterAngleShift(); | |
1283eee5 | 255 | |
256 | Int_t nLo = fTPCParam->GetNInnerSector()/2; | |
257 | Int_t nHi = fTPCParam->GetNOuterSector()/2; | |
258 | ||
73042f01 | 259 | const Double_t kloAng = (Double_t)TMath::Nint(innerOpenAngle*kRaddeg); |
260 | const Double_t khiAng = (Double_t)TMath::Nint(outerOpenAngle*kRaddeg); | |
261 | const Double_t kloAngSh = (Double_t)TMath::Nint(innerAngleShift*kRaddeg); | |
262 | const Double_t khiAngSh = (Double_t)TMath::Nint(outerAngleShift*kRaddeg); | |
1283eee5 | 263 | |
264 | ||
73042f01 | 265 | const Double_t kloCorr = 1/TMath::Cos(0.5*kloAng*kDegrad); |
266 | const Double_t khiCorr = 1/TMath::Cos(0.5*khiAng*kDegrad); | |
1283eee5 | 267 | |
268 | Double_t rl,ru; | |
269 | ||
270 | ||
fe4da5cc | 271 | // |
272 | // Get ALICE top node | |
fe4da5cc | 273 | // |
1283eee5 | 274 | |
73042f01 | 275 | nTop=gAlice->GetGeometry()->GetNode("alice"); |
1283eee5 | 276 | |
277 | // inner sectors | |
278 | ||
cc80f89e | 279 | rl = fTPCParam->GetInnerRadiusLow(); |
280 | ru = fTPCParam->GetInnerRadiusUp(); | |
1283eee5 | 281 | |
282 | ||
fe4da5cc | 283 | for(i=0;i<nLo;i++) { |
284 | sprintf(name,"LS%2.2d",i); | |
1283eee5 | 285 | name[4]='\0'; |
286 | sprintf(title,"TPC low sector %3d",i); | |
287 | title[24]='\0'; | |
288 | ||
73042f01 | 289 | tubs = new TTUBS(name,title,"void",rl*kloCorr,ru*kloCorr,250., |
290 | kloAng*(i-0.5)+kloAngSh,kloAng*(i+0.5)+kloAngSh); | |
fe4da5cc | 291 | tubs->SetNumberOfDivisions(1); |
73042f01 | 292 | nTop->cd(); |
293 | nNode = new TNode(name,title,name,0,0,0,""); | |
294 | nNode->SetLineColor(kColorTPC); | |
295 | fNodes->Add(nNode); | |
fe4da5cc | 296 | } |
1283eee5 | 297 | |
fe4da5cc | 298 | // Outer sectors |
1283eee5 | 299 | |
cc80f89e | 300 | rl = fTPCParam->GetOuterRadiusLow(); |
301 | ru = fTPCParam->GetOuterRadiusUp(); | |
1283eee5 | 302 | |
fe4da5cc | 303 | for(i=0;i<nHi;i++) { |
304 | sprintf(name,"US%2.2d",i); | |
1283eee5 | 305 | name[4]='\0'; |
fe4da5cc | 306 | sprintf(title,"TPC upper sector %d",i); |
1283eee5 | 307 | title[24]='\0'; |
73042f01 | 308 | tubs = new TTUBS(name,title,"void",rl*khiCorr,ru*khiCorr,250, |
309 | khiAng*(i-0.5)+khiAngSh,khiAng*(i+0.5)+khiAngSh); | |
fe4da5cc | 310 | tubs->SetNumberOfDivisions(1); |
73042f01 | 311 | nTop->cd(); |
312 | nNode = new TNode(name,title,name,0,0,0,""); | |
313 | nNode->SetLineColor(kColorTPC); | |
314 | fNodes->Add(nNode); | |
fe4da5cc | 315 | } |
cc80f89e | 316 | |
73042f01 | 317 | } |
1283eee5 | 318 | |
fe4da5cc | 319 | //_____________________________________________________________________________ |
9bdd974b | 320 | Int_t AliTPC::DistancetoPrimitive(Int_t , Int_t ) const |
fe4da5cc | 321 | { |
322 | // | |
323 | // Calculate distance from TPC to mouse on the display | |
324 | // Dummy procedure | |
325 | // | |
326 | return 9999; | |
327 | } | |
328 | ||
9bdd974b | 329 | void AliTPC::Clusters2Tracks() const |
88cb7938 | 330 | { |
3c0f9266 | 331 | //----------------------------------------------------------------- |
332 | // This is a track finder. | |
3c0f9266 | 333 | //----------------------------------------------------------------- |
c630aafd | 334 | Error("Clusters2Tracks", |
335 | "Dummy function ! Call AliTPCtracker::Clusters2Tracks(...) instead !"); | |
88cb7938 | 336 | } |
fe4da5cc | 337 | |
596a855f | 338 | |
339 | //_____________________________________________________________________________ | |
340 | void AliTPC::Reconstruct() const | |
341 | { | |
342 | // reconstruct clusters | |
343 | ||
344 | AliLoader* loader = GetLoader(); | |
345 | loader->LoadRecPoints("recreate"); | |
346 | loader->LoadDigits("read"); | |
347 | ||
6bb8e9b9 | 348 | AliTPCclustererMI clusterer(fTPCParam); |
596a855f | 349 | AliRunLoader* runLoader = loader->GetRunLoader(); |
350 | Int_t nEvents = runLoader->GetNumberOfEvents(); | |
351 | ||
352 | for (Int_t iEvent = 0; iEvent < nEvents; iEvent++) { | |
353 | runLoader->GetEvent(iEvent); | |
354 | ||
355 | TTree* treeClusters = loader->TreeR(); | |
356 | if (!treeClusters) { | |
357 | loader->MakeTree("R"); | |
358 | treeClusters = loader->TreeR(); | |
359 | } | |
360 | TTree* treeDigits = loader->TreeD(); | |
361 | if (!treeDigits) { | |
362 | Error("Reconstruct", "Can't get digits tree !"); | |
363 | return; | |
364 | } | |
365 | ||
6bb8e9b9 | 366 | // clusterer.Digits2Clusters(treeDigits, treeClusters); |
367 | clusterer.SetInput(treeDigits); | |
368 | clusterer.SetOutput(treeClusters); | |
369 | clusterer.Digits2Clusters(); | |
596a855f | 370 | |
371 | loader->WriteRecPoints("OVERWRITE"); | |
372 | } | |
373 | ||
374 | loader->UnloadRecPoints(); | |
375 | loader->UnloadDigits(); | |
376 | } | |
377 | ||
378 | //_____________________________________________________________________________ | |
379 | AliTracker* AliTPC::CreateTracker() const | |
380 | { | |
381 | // create a TPC tracker | |
382 | ||
6bb8e9b9 | 383 | return new AliTPCtrackerMI(fTPCParam); |
596a855f | 384 | } |
385 | ||
386 | //_____________________________________________________________________________ | |
387 | void AliTPC::FillESD(AliESD* esd) const | |
388 | { | |
389 | // make PID | |
390 | ||
391 | Double_t parTPC[] = {47., 0.10, 10.}; | |
392 | AliTPCpidESD tpcPID(parTPC); | |
393 | tpcPID.MakePID(esd); | |
394 | } | |
395 | ||
396 | ||
fe4da5cc | 397 | //_____________________________________________________________________________ |
398 | void AliTPC::CreateMaterials() | |
399 | { | |
8c555625 | 400 | //----------------------------------------------- |
37831078 | 401 | // Create Materials for for TPC simulations |
8c555625 | 402 | //----------------------------------------------- |
403 | ||
404 | //----------------------------------------------------------------- | |
405 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
406 | //----------------------------------------------------------------- | |
1283eee5 | 407 | |
73042f01 | 408 | Int_t iSXFLD=gAlice->Field()->Integ(); |
409 | Float_t sXMGMX=gAlice->Field()->Max(); | |
1283eee5 | 410 | |
411 | Float_t amat[5]; // atomic numbers | |
412 | Float_t zmat[5]; // z | |
413 | Float_t wmat[5]; // proportions | |
414 | ||
415 | Float_t density; | |
37831078 | 416 | Float_t apure[2]; |
1283eee5 | 417 | |
1283eee5 | 418 | |
37831078 | 419 | //***************** Gases ************************* |
420 | ||
421 | //------------------------------------------------- | |
1283eee5 | 422 | // pure gases |
37831078 | 423 | //------------------------------------------------- |
1283eee5 | 424 | |
37831078 | 425 | // Neon |
1283eee5 | 426 | |
427 | ||
37831078 | 428 | amat[0]= 20.18; |
429 | zmat[0]= 10.; | |
1283eee5 | 430 | density = 0.0009; |
37831078 | 431 | |
432 | apure[0]=amat[0]; | |
1283eee5 | 433 | |
37831078 | 434 | AliMaterial(20,"Ne",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 435 | |
37831078 | 436 | // Argon |
1283eee5 | 437 | |
37831078 | 438 | amat[0]= 39.948; |
439 | zmat[0]= 18.; | |
440 | density = 0.001782; | |
1283eee5 | 441 | |
37831078 | 442 | apure[1]=amat[0]; |
1283eee5 | 443 | |
37831078 | 444 | AliMaterial(21,"Ar",amat[0],zmat[0],density,999.,999.); |
445 | ||
1283eee5 | 446 | |
447 | //-------------------------------------------------------------- | |
448 | // gases - compounds | |
449 | //-------------------------------------------------------------- | |
450 | ||
451 | Float_t amol[3]; | |
452 | ||
37831078 | 453 | // CO2 |
1283eee5 | 454 | |
455 | amat[0]=12.011; | |
456 | amat[1]=15.9994; | |
457 | ||
458 | zmat[0]=6.; | |
459 | zmat[1]=8.; | |
460 | ||
461 | wmat[0]=1.; | |
462 | wmat[1]=2.; | |
463 | ||
464 | density=0.001977; | |
465 | ||
466 | amol[0] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
467 | ||
468 | AliMixture(10,"CO2",amat,zmat,density,-2,wmat); | |
37831078 | 469 | |
1283eee5 | 470 | // CF4 |
471 | ||
472 | amat[0]=12.011; | |
473 | amat[1]=18.998; | |
474 | ||
475 | zmat[0]=6.; | |
476 | zmat[1]=9.; | |
477 | ||
478 | wmat[0]=1.; | |
479 | wmat[1]=4.; | |
480 | ||
481 | density=0.003034; | |
482 | ||
483 | amol[1] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
484 | ||
485 | AliMixture(11,"CF4",amat,zmat,density,-2,wmat); | |
486 | ||
37831078 | 487 | |
1283eee5 | 488 | // CH4 |
489 | ||
490 | amat[0]=12.011; | |
491 | amat[1]=1.; | |
492 | ||
493 | zmat[0]=6.; | |
494 | zmat[1]=1.; | |
495 | ||
496 | wmat[0]=1.; | |
497 | wmat[1]=4.; | |
498 | ||
499 | density=0.000717; | |
500 | ||
501 | amol[2] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
502 | ||
503 | AliMixture(12,"CH4",amat,zmat,density,-2,wmat); | |
504 | ||
505 | //---------------------------------------------------------------- | |
506 | // gases - mixtures, ID >= 20 pure gases, <= 10 ID < 20 -compounds | |
507 | //---------------------------------------------------------------- | |
37831078 | 508 | |
00d6d986 | 509 | char namate[21]=""; |
1283eee5 | 510 | density = 0.; |
511 | Float_t am=0; | |
512 | Int_t nc; | |
9bdd974b | 513 | Float_t rho,absl,x0,buf[1]; |
1283eee5 | 514 | Int_t nbuf; |
37831078 | 515 | Float_t a,z; |
1283eee5 | 516 | |
517 | for(nc = 0;nc<fNoComp;nc++) | |
518 | { | |
519 | ||
520 | // retrive material constants | |
521 | ||
9bdd974b | 522 | gMC->Gfmate((*fIdmate)[fMixtComp[nc]],namate,a,z,rho,x0,absl,buf,nbuf); |
1283eee5 | 523 | |
524 | amat[nc] = a; | |
525 | zmat[nc] = z; | |
526 | ||
527 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
528 | ||
37831078 | 529 | am += fMixtProp[nc]*((fMixtComp[nc]>=20) ? apure[nnc] : amol[nnc]); |
1283eee5 | 530 | density += fMixtProp[nc]*rho; // density of the mixture |
531 | ||
532 | } | |
533 | ||
534 | // mixture proportions by weight! | |
535 | ||
536 | for(nc = 0;nc<fNoComp;nc++) | |
537 | { | |
538 | ||
539 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
540 | ||
37831078 | 541 | wmat[nc] = fMixtProp[nc]*((fMixtComp[nc]>=20) ? |
542 | apure[nnc] : amol[nnc])/am; | |
543 | ||
544 | } | |
545 | ||
546 | // Drift gases 1 - nonsensitive, 2 - sensitive | |
1283eee5 | 547 | |
1283eee5 | 548 | AliMixture(31,"Drift gas 1",amat,zmat,density,fNoComp,wmat); |
549 | AliMixture(32,"Drift gas 2",amat,zmat,density,fNoComp,wmat); | |
1283eee5 | 550 | |
1283eee5 | 551 | |
37831078 | 552 | // Air |
553 | ||
554 | amat[0] = 14.61; | |
555 | zmat[0] = 7.3; | |
556 | density = 0.001205; | |
1283eee5 | 557 | |
37831078 | 558 | AliMaterial(24,"Air",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 559 | |
1283eee5 | 560 | |
561 | //---------------------------------------------------------------------- | |
562 | // solid materials | |
563 | //---------------------------------------------------------------------- | |
564 | ||
1283eee5 | 565 | |
37831078 | 566 | // Kevlar C14H22O2N2 |
1283eee5 | 567 | |
37831078 | 568 | amat[0] = 12.011; |
569 | amat[1] = 1.; | |
570 | amat[2] = 15.999; | |
571 | amat[3] = 14.006; | |
1283eee5 | 572 | |
37831078 | 573 | zmat[0] = 6.; |
574 | zmat[1] = 1.; | |
575 | zmat[2] = 8.; | |
576 | zmat[3] = 7.; | |
577 | ||
578 | wmat[0] = 14.; | |
579 | wmat[1] = 22.; | |
580 | wmat[2] = 2.; | |
581 | wmat[3] = 2.; | |
582 | ||
583 | density = 1.45; | |
584 | ||
585 | AliMixture(34,"Kevlar",amat,zmat,density,-4,wmat); | |
586 | ||
587 | // NOMEX | |
1283eee5 | 588 | |
37831078 | 589 | amat[0] = 12.011; |
590 | amat[1] = 1.; | |
591 | amat[2] = 15.999; | |
592 | amat[3] = 14.006; | |
593 | ||
594 | zmat[0] = 6.; | |
595 | zmat[1] = 1.; | |
596 | zmat[2] = 8.; | |
597 | zmat[3] = 7.; | |
598 | ||
599 | wmat[0] = 14.; | |
600 | wmat[1] = 22.; | |
601 | wmat[2] = 2.; | |
602 | wmat[3] = 2.; | |
603 | ||
604 | density = 0.03; | |
1283eee5 | 605 | |
fe4da5cc | 606 | |
37831078 | 607 | AliMixture(35,"NOMEX",amat,zmat,density,-4,wmat); |
608 | ||
609 | // Makrolon C16H18O3 | |
610 | ||
611 | amat[0] = 12.011; | |
612 | amat[1] = 1.; | |
613 | amat[2] = 15.999; | |
1283eee5 | 614 | |
37831078 | 615 | zmat[0] = 6.; |
616 | zmat[1] = 1.; | |
617 | zmat[2] = 8.; | |
618 | ||
619 | wmat[0] = 16.; | |
620 | wmat[1] = 18.; | |
621 | wmat[2] = 3.; | |
622 | ||
623 | density = 1.2; | |
624 | ||
625 | AliMixture(36,"Makrolon",amat,zmat,density,-3,wmat); | |
626 | ||
1283eee5 | 627 | // Mylar C5H4O2 |
628 | ||
629 | amat[0]=12.011; | |
630 | amat[1]=1.; | |
631 | amat[2]=15.9994; | |
632 | ||
633 | zmat[0]=6.; | |
634 | zmat[1]=1.; | |
635 | zmat[2]=8.; | |
636 | ||
637 | wmat[0]=5.; | |
638 | wmat[1]=4.; | |
639 | wmat[2]=2.; | |
640 | ||
641 | density = 1.39; | |
fe4da5cc | 642 | |
37831078 | 643 | AliMixture(37, "Mylar",amat,zmat,density,-3,wmat); |
1283eee5 | 644 | |
ba1d05f9 | 645 | // SiO2 - used later for the glass fiber |
1283eee5 | 646 | |
37831078 | 647 | amat[0]=28.086; |
648 | amat[1]=15.9994; | |
1283eee5 | 649 | |
37831078 | 650 | zmat[0]=14.; |
651 | zmat[1]=8.; | |
1283eee5 | 652 | |
37831078 | 653 | wmat[0]=1.; |
654 | wmat[1]=2.; | |
1283eee5 | 655 | |
1283eee5 | 656 | |
ba1d05f9 | 657 | AliMixture(38,"SiO2",amat,zmat,2.2,-2,wmat); //SiO2 - quartz (rho=2.2) |
1283eee5 | 658 | |
37831078 | 659 | // Al |
1283eee5 | 660 | |
37831078 | 661 | amat[0] = 26.98; |
662 | zmat[0] = 13.; | |
1283eee5 | 663 | |
37831078 | 664 | density = 2.7; |
1283eee5 | 665 | |
37831078 | 666 | AliMaterial(40,"Al",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 667 | |
37831078 | 668 | // Si |
1283eee5 | 669 | |
37831078 | 670 | amat[0] = 28.086; |
9a3667bd | 671 | zmat[0] = 14.; |
1283eee5 | 672 | |
37831078 | 673 | density = 2.33; |
1283eee5 | 674 | |
37831078 | 675 | AliMaterial(41,"Si",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 676 | |
37831078 | 677 | // Cu |
1283eee5 | 678 | |
37831078 | 679 | amat[0] = 63.546; |
680 | zmat[0] = 29.; | |
1283eee5 | 681 | |
37831078 | 682 | density = 8.96; |
1283eee5 | 683 | |
37831078 | 684 | AliMaterial(42,"Cu",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 685 | |
37831078 | 686 | // Tedlar C2H3F |
1283eee5 | 687 | |
37831078 | 688 | amat[0] = 12.011; |
689 | amat[1] = 1.; | |
690 | amat[2] = 18.998; | |
1283eee5 | 691 | |
37831078 | 692 | zmat[0] = 6.; |
693 | zmat[1] = 1.; | |
694 | zmat[2] = 9.; | |
1283eee5 | 695 | |
37831078 | 696 | wmat[0] = 2.; |
697 | wmat[1] = 3.; | |
698 | wmat[2] = 1.; | |
1283eee5 | 699 | |
37831078 | 700 | density = 1.71; |
1283eee5 | 701 | |
37831078 | 702 | AliMixture(43, "Tedlar",amat,zmat,density,-3,wmat); |
1283eee5 | 703 | |
1283eee5 | 704 | |
37831078 | 705 | // Plexiglas C5H8O2 |
1283eee5 | 706 | |
37831078 | 707 | amat[0]=12.011; |
708 | amat[1]=1.; | |
709 | amat[2]=15.9994; | |
1283eee5 | 710 | |
37831078 | 711 | zmat[0]=6.; |
712 | zmat[1]=1.; | |
713 | zmat[2]=8.; | |
1283eee5 | 714 | |
37831078 | 715 | wmat[0]=5.; |
716 | wmat[1]=8.; | |
717 | wmat[2]=2.; | |
1283eee5 | 718 | |
37831078 | 719 | density=1.18; |
1283eee5 | 720 | |
37831078 | 721 | AliMixture(44,"Plexiglas",amat,zmat,density,-3,wmat); |
1283eee5 | 722 | |
ba1d05f9 | 723 | // Epoxy - C14 H20 O3 |
1283eee5 | 724 | |
5a28a08f | 725 | |
726 | amat[0]=12.011; | |
727 | amat[1]=1.; | |
728 | amat[2]=15.9994; | |
729 | ||
730 | zmat[0]=6.; | |
731 | zmat[1]=1.; | |
732 | zmat[2]=8.; | |
733 | ||
ba1d05f9 | 734 | wmat[0]=14.; |
735 | wmat[1]=20.; | |
5a28a08f | 736 | wmat[2]=3.; |
737 | ||
ba1d05f9 | 738 | density=1.25; |
5a28a08f | 739 | |
740 | AliMixture(45,"Epoxy",amat,zmat,density,-3,wmat); | |
37831078 | 741 | |
ba1d05f9 | 742 | // Carbon |
743 | ||
744 | amat[0]=12.011; | |
745 | zmat[0]=6.; | |
746 | density= 2.265; | |
747 | ||
748 | AliMaterial(46,"C",amat[0],zmat[0],density,999.,999.); | |
749 | ||
750 | // get epoxy | |
751 | ||
9bdd974b | 752 | gMC->Gfmate((*fIdmate)[45],namate,amat[1],zmat[1],rho,x0,absl,buf,nbuf); |
ba1d05f9 | 753 | |
754 | // Carbon fiber | |
755 | ||
756 | wmat[0]=0.644; // by weight! | |
757 | wmat[1]=0.356; | |
758 | ||
759 | density=0.5*(1.25+2.265); | |
760 | ||
761 | AliMixture(47,"Cfiber",amat,zmat,density,2,wmat); | |
762 | ||
763 | // get SiO2 | |
764 | ||
9bdd974b | 765 | gMC->Gfmate((*fIdmate)[38],namate,amat[0],zmat[0],rho,x0,absl,buf,nbuf); |
ba1d05f9 | 766 | |
767 | wmat[0]=0.725; // by weight! | |
768 | wmat[1]=0.275; | |
769 | ||
770 | density=1.7; | |
771 | ||
772 | AliMixture(39,"G10",amat,zmat,density,2,wmat); | |
773 | ||
774 | ||
775 | ||
776 | ||
37831078 | 777 | //---------------------------------------------------------- |
778 | // tracking media for gases | |
779 | //---------------------------------------------------------- | |
780 | ||
781 | AliMedium(0, "Air", 24, 0, iSXFLD, sXMGMX, 10., 999., .1, .01, .1); | |
782 | AliMedium(1, "Drift gas 1", 31, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
783 | AliMedium(2, "Drift gas 2", 32, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
784 | AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001); | |
785 | ||
786 | //----------------------------------------------------------- | |
787 | // tracking media for solids | |
788 | //----------------------------------------------------------- | |
789 | ||
790 | AliMedium(4,"Al",40,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
791 | AliMedium(5,"Kevlar",34,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
792 | AliMedium(6,"Nomex",35,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
793 | AliMedium(7,"Makrolon",36,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
794 | AliMedium(8,"Mylar",37,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
795 | AliMedium(9,"Tedlar",43,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
796 | AliMedium(10,"Cu",42,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
797 | AliMedium(11,"Si",41,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
798 | AliMedium(12,"G10",39,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
799 | AliMedium(13,"Plexiglas",44,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
5a28a08f | 800 | AliMedium(14,"Epoxy",45,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); |
ba1d05f9 | 801 | AliMedium(15,"Cfiber",47,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); |
1283eee5 | 802 | |
fe4da5cc | 803 | } |
804 | ||
407ff276 | 805 | void AliTPC::GenerNoise(Int_t tablesize) |
806 | { | |
807 | // | |
808 | //Generate table with noise | |
809 | // | |
810 | if (fTPCParam==0) { | |
811 | // error message | |
812 | fNoiseDepth=0; | |
813 | return; | |
814 | } | |
815 | if (fNoiseTable) delete[] fNoiseTable; | |
816 | fNoiseTable = new Float_t[tablesize]; | |
817 | fNoiseDepth = tablesize; | |
818 | fCurrentNoise =0; //!index of the noise in the noise table | |
819 | ||
820 | Float_t norm = fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac(); | |
821 | for (Int_t i=0;i<tablesize;i++) fNoiseTable[i]= gRandom->Gaus(0,norm); | |
822 | } | |
823 | ||
824 | Float_t AliTPC::GetNoise() | |
825 | { | |
826 | // get noise from table | |
827 | // if ((fCurrentNoise%10)==0) | |
828 | // fCurrentNoise= gRandom->Rndm()*fNoiseDepth; | |
829 | if (fCurrentNoise>=fNoiseDepth) fCurrentNoise=0; | |
830 | return fNoiseTable[fCurrentNoise++]; | |
831 | //gRandom->Gaus(0, fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac()); | |
832 | } | |
833 | ||
834 | ||
9bdd974b | 835 | Bool_t AliTPC::IsSectorActive(Int_t sec) const |
792bb11c | 836 | { |
837 | // | |
838 | // check if the sector is active | |
839 | if (!fActiveSectors) return kTRUE; | |
840 | else return fActiveSectors[sec]; | |
841 | } | |
842 | ||
843 | void AliTPC::SetActiveSectors(Int_t * sectors, Int_t n) | |
844 | { | |
845 | // activate interesting sectors | |
88cb7938 | 846 | SetTreeAddress();//just for security |
792bb11c | 847 | if (fActiveSectors) delete [] fActiveSectors; |
848 | fActiveSectors = new Bool_t[fTPCParam->GetNSector()]; | |
849 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE; | |
850 | for (Int_t i=0;i<n;i++) | |
851 | if ((sectors[i]>=0) && sectors[i]<fTPCParam->GetNSector()) fActiveSectors[sectors[i]]=kTRUE; | |
852 | ||
853 | } | |
854 | ||
12d8d654 | 855 | void AliTPC::SetActiveSectors(Int_t flag) |
792bb11c | 856 | { |
857 | // | |
858 | // activate sectors which were hitted by tracks | |
859 | //loop over tracks | |
88cb7938 | 860 | SetTreeAddress();//just for security |
792bb11c | 861 | if (fHitType==0) return; // if Clones hit - not short volume ID information |
862 | if (fActiveSectors) delete [] fActiveSectors; | |
863 | fActiveSectors = new Bool_t[fTPCParam->GetNSector()]; | |
12d8d654 | 864 | if (flag) { |
865 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kTRUE; | |
866 | return; | |
867 | } | |
792bb11c | 868 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE; |
869 | TBranch * branch=0; | |
88cb7938 | 870 | if (TreeH() == 0x0) |
871 | { | |
872 | Fatal("SetActiveSectors","Can not find TreeH in folder"); | |
873 | return; | |
874 | } | |
875 | if (fHitType>1) branch = TreeH()->GetBranch("TPC2"); | |
876 | else branch = TreeH()->GetBranch("TPC"); | |
877 | Stat_t ntracks = TreeH()->GetEntries(); | |
792bb11c | 878 | // loop over all hits |
f540341d | 879 | if (GetDebug()) cout<<"\nAliTPC::SetActiveSectors(): Got "<<ntracks<<" tracks\n"; |
88cb7938 | 880 | |
881 | for(Int_t track=0;track<ntracks;track++) | |
882 | { | |
792bb11c | 883 | ResetHits(); |
884 | // | |
885 | if (fTrackHits && fHitType&4) { | |
88cb7938 | 886 | TBranch * br1 = TreeH()->GetBranch("fVolumes"); |
887 | TBranch * br2 = TreeH()->GetBranch("fNVolumes"); | |
792bb11c | 888 | br1->GetEvent(track); |
889 | br2->GetEvent(track); | |
890 | Int_t *volumes = fTrackHits->GetVolumes(); | |
891 | for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++) | |
892 | fActiveSectors[volumes[j]]=kTRUE; | |
893 | } | |
894 | ||
895 | // | |
896 | if (fTrackHitsOld && fHitType&2) { | |
88cb7938 | 897 | TBranch * br = TreeH()->GetBranch("fTrackHitsInfo"); |
792bb11c | 898 | br->GetEvent(track); |
899 | AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo; | |
900 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
901 | fActiveSectors[((AliTrackHitsInfo*)ar->At(j))->fVolumeID] =kTRUE; | |
902 | } | |
903 | } | |
904 | } | |
792bb11c | 905 | } |
906 | ||
907 | ||
908 | ||
fe4da5cc | 909 | |
9bdd974b | 910 | void AliTPC::Digits2Clusters(Int_t /*eventnumber*/) const |
fe4da5cc | 911 | { |
3c0f9266 | 912 | //----------------------------------------------------------------- |
913 | // This is a simple cluster finder. | |
3c0f9266 | 914 | //----------------------------------------------------------------- |
c630aafd | 915 | Error("Digits2Clusters", |
916 | "Dummy function ! Call AliTPCclusterer::Digits2Clusters(...) instead !"); | |
fe4da5cc | 917 | } |
918 | ||
73042f01 | 919 | extern Double_t SigmaY2(Double_t, Double_t, Double_t); |
920 | extern Double_t SigmaZ2(Double_t, Double_t); | |
fe4da5cc | 921 | //_____________________________________________________________________________ |
176aff27 | 922 | void AliTPC::Hits2Clusters(Int_t /*eventn*/) |
fe4da5cc | 923 | { |
8c555625 | 924 | //-------------------------------------------------------- |
fe4da5cc | 925 | // TPC simple cluster generator from hits |
926 | // obtained from the TPC Fast Simulator | |
8c555625 | 927 | // The point errors are taken from the parametrization |
928 | //-------------------------------------------------------- | |
929 | ||
930 | //----------------------------------------------------------------- | |
931 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
932 | //----------------------------------------------------------------- | |
73042f01 | 933 | // Adopted to Marian's cluster data structure by I.Belikov, CERN, |
934 | // Jouri.Belikov@cern.ch | |
935 | //---------------------------------------------------------------- | |
936 | ||
937 | ///////////////////////////////////////////////////////////////////////////// | |
938 | // | |
939 | //--------------------------------------------------------------------- | |
940 | // ALICE TPC Cluster Parameters | |
941 | //-------------------------------------------------------------------- | |
942 | ||
943 | ||
944 | ||
945 | // Cluster width in rphi | |
946 | const Float_t kACrphi=0.18322; | |
947 | const Float_t kBCrphi=0.59551e-3; | |
948 | const Float_t kCCrphi=0.60952e-1; | |
949 | // Cluster width in z | |
950 | const Float_t kACz=0.19081; | |
951 | const Float_t kBCz=0.55938e-3; | |
952 | const Float_t kCCz=0.30428; | |
953 | ||
73042f01 | 954 | |
88cb7938 | 955 | if (!fLoader) { |
73042f01 | 956 | cerr<<"AliTPC::Hits2Clusters(): output file not open !\n"; |
957 | return; | |
958 | } | |
3c0f9266 | 959 | |
afc42102 | 960 | //if(fDefaults == 0) SetDefaults(); |
cc80f89e | 961 | |
73042f01 | 962 | Float_t sigmaRphi,sigmaZ,clRphi,clZ; |
fe4da5cc | 963 | // |
1578254f | 964 | TParticle *particle; // pointer to a given particle |
fe4da5cc | 965 | AliTPChit *tpcHit; // pointer to a sigle TPC hit |
39c8eb58 | 966 | Int_t sector; |
fe4da5cc | 967 | Int_t ipart; |
968 | Float_t xyz[5]; | |
969 | Float_t pl,pt,tanth,rpad,ratio; | |
fe4da5cc | 970 | Float_t cph,sph; |
971 | ||
972 | //--------------------------------------------------------------- | |
973 | // Get the access to the tracks | |
974 | //--------------------------------------------------------------- | |
975 | ||
88cb7938 | 976 | TTree *tH = TreeH(); |
977 | if (tH == 0x0) | |
978 | { | |
979 | Fatal("Hits2Clusters","Can not find TreeH in folder"); | |
980 | return; | |
981 | } | |
982 | SetTreeAddress(); | |
983 | ||
73042f01 | 984 | Stat_t ntracks = tH->GetEntries(); |
73042f01 | 985 | |
986 | //Switch to the output file | |
88cb7938 | 987 | |
988 | if (fLoader->TreeR() == 0x0) fLoader->MakeTree("R"); | |
989 | ||
990 | cout<<"fTPCParam->GetTitle() = "<<fTPCParam->GetTitle()<<endl; | |
991 | ||
992 | AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::fgkRunLoaderName); | |
993 | rl->CdGAFile(); | |
c630aafd | 994 | //fTPCParam->Write(fTPCParam->GetTitle()); |
88cb7938 | 995 | |
73042f01 | 996 | AliTPCClustersArray carray; |
997 | carray.Setup(fTPCParam); | |
998 | carray.SetClusterType("AliTPCcluster"); | |
88cb7938 | 999 | carray.MakeTree(fLoader->TreeR()); |
73042f01 | 1000 | |
1001 | Int_t nclusters=0; //cluster counter | |
fe4da5cc | 1002 | |
1003 | //------------------------------------------------------------ | |
cc80f89e | 1004 | // Loop over all sectors (72 sectors for 20 deg |
1005 | // segmentation for both lower and upper sectors) | |
1006 | // Sectors 0-35 are lower sectors, 0-17 z>0, 17-35 z<0 | |
3c0f9266 | 1007 | // Sectors 36-71 are upper sectors, 36-53 z>0, 54-71 z<0 |
fe4da5cc | 1008 | // |
3c0f9266 | 1009 | // First cluster for sector 0 starts at "0" |
fe4da5cc | 1010 | //------------------------------------------------------------ |
cc80f89e | 1011 | |
1012 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++){ | |
8c555625 | 1013 | //MI change |
cc80f89e | 1014 | fTPCParam->AdjustCosSin(isec,cph,sph); |
fe4da5cc | 1015 | |
1016 | //------------------------------------------------------------ | |
1017 | // Loop over tracks | |
1018 | //------------------------------------------------------------ | |
1019 | ||
1020 | for(Int_t track=0;track<ntracks;track++){ | |
1021 | ResetHits(); | |
73042f01 | 1022 | tH->GetEvent(track); |
fe4da5cc | 1023 | // |
73042f01 | 1024 | // Get number of the TPC hits |
792bb11c | 1025 | // |
39c8eb58 | 1026 | tpcHit = (AliTPChit*)FirstHit(-1); |
1027 | ||
fe4da5cc | 1028 | // Loop over hits |
1029 | // | |
39c8eb58 | 1030 | while(tpcHit){ |
1031 | ||
1032 | if (tpcHit->fQ == 0.) { | |
1033 | tpcHit = (AliTPChit*) NextHit(); | |
1034 | continue; //information about track (I.Belikov) | |
1035 | } | |
fe4da5cc | 1036 | sector=tpcHit->fSector; // sector number |
39c8eb58 | 1037 | |
39c8eb58 | 1038 | if(sector != isec){ |
1039 | tpcHit = (AliTPChit*) NextHit(); | |
1040 | continue; | |
1041 | } | |
94de3818 | 1042 | ipart=tpcHit->Track(); |
5d12ce38 | 1043 | particle=gAlice->GetMCApp()->Particle(ipart); |
1578254f | 1044 | pl=particle->Pz(); |
1045 | pt=particle->Pt(); | |
fe4da5cc | 1046 | if(pt < 1.e-9) pt=1.e-9; |
1047 | tanth=pl/pt; | |
1048 | tanth = TMath::Abs(tanth); | |
94de3818 | 1049 | rpad=TMath::Sqrt(tpcHit->X()*tpcHit->X() + tpcHit->Y()*tpcHit->Y()); |
fe4da5cc | 1050 | ratio=0.001*rpad/pt; // pt must be in MeV/c - historical reason |
73042f01 | 1051 | |
fe4da5cc | 1052 | // space-point resolutions |
1053 | ||
73042f01 | 1054 | sigmaRphi=SigmaY2(rpad,tanth,pt); |
1055 | sigmaZ =SigmaZ2(rpad,tanth ); | |
fe4da5cc | 1056 | |
1057 | // cluster widths | |
1058 | ||
73042f01 | 1059 | clRphi=kACrphi-kBCrphi*rpad*tanth+kCCrphi*ratio*ratio; |
1060 | clZ=kACz-kBCz*rpad*tanth+kCCz*tanth*tanth; | |
fe4da5cc | 1061 | |
1062 | // temporary protection | |
1063 | ||
73042f01 | 1064 | if(sigmaRphi < 0.) sigmaRphi=0.4e-3; |
1065 | if(sigmaZ < 0.) sigmaZ=0.4e-3; | |
1066 | if(clRphi < 0.) clRphi=2.5e-3; | |
1067 | if(clZ < 0.) clZ=2.5e-5; | |
fe4da5cc | 1068 | |
1069 | // | |
cc80f89e | 1070 | |
1071 | // | |
1072 | // smearing --> rotate to the 1 (13) or to the 25 (49) sector, | |
fe4da5cc | 1073 | // then the inaccuracy in a X-Y plane is only along Y (pad row)! |
1074 | // | |
94de3818 | 1075 | Float_t xprim= tpcHit->X()*cph + tpcHit->Y()*sph; |
1076 | Float_t yprim=-tpcHit->X()*sph + tpcHit->Y()*cph; | |
73042f01 | 1077 | xyz[0]=gRandom->Gaus(yprim,TMath::Sqrt(sigmaRphi)); // y |
1078 | Float_t alpha=(isec < fTPCParam->GetNInnerSector()) ? | |
1079 | fTPCParam->GetInnerAngle() : fTPCParam->GetOuterAngle(); | |
1080 | Float_t ymax=xprim*TMath::Tan(0.5*alpha); | |
1081 | if (TMath::Abs(xyz[0])>ymax) xyz[0]=yprim; | |
94de3818 | 1082 | xyz[1]=gRandom->Gaus(tpcHit->Z(),TMath::Sqrt(sigmaZ)); // z |
1083 | if (TMath::Abs(xyz[1])>fTPCParam->GetZLength()) xyz[1]=tpcHit->Z(); | |
39c8eb58 | 1084 | xyz[2]=sigmaRphi; // fSigmaY2 |
1085 | xyz[3]=sigmaZ; // fSigmaZ2 | |
1086 | xyz[4]=tpcHit->fQ; // q | |
73042f01 | 1087 | |
1088 | AliTPCClustersRow *clrow=carray.GetRow(sector,tpcHit->fPadRow); | |
1089 | if (!clrow) clrow=carray.CreateRow(sector,tpcHit->fPadRow); | |
1090 | ||
94de3818 | 1091 | Int_t tracks[3]={tpcHit->Track(), -1, -1}; |
39c8eb58 | 1092 | AliTPCcluster cluster(tracks,xyz); |
73042f01 | 1093 | |
1094 | clrow->InsertCluster(&cluster); nclusters++; | |
1095 | ||
39c8eb58 | 1096 | tpcHit = (AliTPChit*)NextHit(); |
1097 | ||
1098 | ||
fe4da5cc | 1099 | } // end of loop over hits |
73042f01 | 1100 | |
1101 | } // end of loop over tracks | |
1102 | ||
1103 | Int_t nrows=fTPCParam->GetNRow(isec); | |
1104 | for (Int_t irow=0; irow<nrows; irow++) { | |
1105 | AliTPCClustersRow *clrow=carray.GetRow(isec,irow); | |
1106 | if (!clrow) continue; | |
1107 | carray.StoreRow(isec,irow); | |
1108 | carray.ClearRow(isec,irow); | |
1109 | } | |
1110 | ||
cc80f89e | 1111 | } // end of loop over sectors |
73042f01 | 1112 | |
f540341d | 1113 | // cerr<<"Number of made clusters : "<<nclusters<<" \n"; |
88cb7938 | 1114 | fLoader->WriteRecPoints("OVERWRITE"); |
1115 | ||
cc80f89e | 1116 | |
1117 | } // end of function | |
1118 | ||
1119 | //_________________________________________________________________ | |
1120 | void AliTPC::Hits2ExactClustersSector(Int_t isec) | |
1121 | { | |
1122 | //-------------------------------------------------------- | |
1123 | //calculate exact cross point of track and given pad row | |
1124 | //resulting values are expressed in "digit" coordinata | |
1125 | //-------------------------------------------------------- | |
1126 | ||
1127 | //----------------------------------------------------------------- | |
1128 | // Origin: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de | |
1129 | //----------------------------------------------------------------- | |
1130 | // | |
1131 | if (fClustersArray==0){ | |
1132 | return; | |
1133 | } | |
1134 | // | |
1135 | TParticle *particle; // pointer to a given particle | |
1136 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
5f16d237 | 1137 | // Int_t sector,nhits; |
cc80f89e | 1138 | Int_t ipart; |
73042f01 | 1139 | const Int_t kcmaxhits=30000; |
de61d5d5 | 1140 | AliTPCFastVector * xxxx = new AliTPCFastVector(kcmaxhits*4); |
1141 | AliTPCFastVector & xxx = *xxxx; | |
73042f01 | 1142 | Int_t maxhits = kcmaxhits; |
cc80f89e | 1143 | //construct array for each padrow |
1144 | for (Int_t i=0; i<fTPCParam->GetNRow(isec);i++) | |
1145 | fClustersArray->CreateRow(isec,i); | |
fe4da5cc | 1146 | |
cc80f89e | 1147 | //--------------------------------------------------------------- |
1148 | // Get the access to the tracks | |
1149 | //--------------------------------------------------------------- | |
1150 | ||
88cb7938 | 1151 | TTree *tH = TreeH(); |
1152 | if (tH == 0x0) | |
1153 | { | |
1154 | Fatal("Hits2Clusters","Can not find TreeH in folder"); | |
1155 | return; | |
1156 | } | |
1157 | SetTreeAddress(); | |
1158 | ||
73042f01 | 1159 | Stat_t ntracks = tH->GetEntries(); |
5d12ce38 | 1160 | Int_t npart = gAlice->GetMCApp()->GetNtrack(); |
5f16d237 | 1161 | //MI change |
1162 | TBranch * branch=0; | |
792bb11c | 1163 | if (fHitType>1) branch = tH->GetBranch("TPC2"); |
5f16d237 | 1164 | else branch = tH->GetBranch("TPC"); |
1165 | ||
cc80f89e | 1166 | //------------------------------------------------------------ |
1167 | // Loop over tracks | |
1168 | //------------------------------------------------------------ | |
792bb11c | 1169 | |
5f16d237 | 1170 | for(Int_t track=0;track<ntracks;track++){ |
1171 | Bool_t isInSector=kTRUE; | |
cc80f89e | 1172 | ResetHits(); |
792bb11c | 1173 | isInSector = TrackInVolume(isec,track); |
5f16d237 | 1174 | if (!isInSector) continue; |
1175 | //MI change | |
1176 | branch->GetEntry(track); // get next track | |
cc80f89e | 1177 | // |
1178 | // Get number of the TPC hits and a pointer | |
1179 | // to the particles | |
cc80f89e | 1180 | // Loop over hits |
1181 | // | |
1182 | Int_t currentIndex=0; | |
1183 | Int_t lastrow=-1; //last writen row | |
5f16d237 | 1184 | |
1185 | //M.I. changes | |
1186 | ||
1187 | tpcHit = (AliTPChit*)FirstHit(-1); | |
1188 | while(tpcHit){ | |
1189 | ||
1190 | Int_t sector=tpcHit->fSector; // sector number | |
1191 | if(sector != isec){ | |
1192 | tpcHit = (AliTPChit*) NextHit(); | |
1193 | continue; | |
1194 | } | |
1195 | ||
94de3818 | 1196 | ipart=tpcHit->Track(); |
5d12ce38 | 1197 | if (ipart<npart) particle=gAlice->GetMCApp()->Particle(ipart); |
cc80f89e | 1198 | |
1199 | //find row number | |
1200 | ||
94de3818 | 1201 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; |
cc80f89e | 1202 | Int_t index[3]={1,isec,0}; |
1203 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
5f16d237 | 1204 | if (currentrow<0) {tpcHit = (AliTPChit*)NextHit(); continue;} |
cc80f89e | 1205 | if (lastrow<0) lastrow=currentrow; |
1206 | if (currentrow==lastrow){ | |
1207 | if ( currentIndex>=maxhits){ | |
73042f01 | 1208 | maxhits+=kcmaxhits; |
cc80f89e | 1209 | xxx.ResizeTo(4*maxhits); |
1210 | } | |
1211 | xxx(currentIndex*4)=x[0]; | |
1212 | xxx(currentIndex*4+1)=x[1]; | |
1213 | xxx(currentIndex*4+2)=x[2]; | |
1214 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
1215 | currentIndex++; | |
1216 | } | |
1217 | else | |
1218 | if (currentIndex>2){ | |
1219 | Float_t sumx=0; | |
1220 | Float_t sumx2=0; | |
1221 | Float_t sumx3=0; | |
1222 | Float_t sumx4=0; | |
1223 | Float_t sumy=0; | |
1224 | Float_t sumxy=0; | |
1225 | Float_t sumx2y=0; | |
1226 | Float_t sumz=0; | |
1227 | Float_t sumxz=0; | |
1228 | Float_t sumx2z=0; | |
1229 | Float_t sumq=0; | |
1230 | for (Int_t index=0;index<currentIndex;index++){ | |
1231 | Float_t x,x2,x3,x4; | |
1232 | x=x2=x3=x4=xxx(index*4); | |
1233 | x2*=x; | |
1234 | x3*=x2; | |
1235 | x4*=x3; | |
1236 | sumx+=x; | |
1237 | sumx2+=x2; | |
1238 | sumx3+=x3; | |
1239 | sumx4+=x4; | |
1240 | sumy+=xxx(index*4+1); | |
1241 | sumxy+=xxx(index*4+1)*x; | |
1242 | sumx2y+=xxx(index*4+1)*x2; | |
1243 | sumz+=xxx(index*4+2); | |
1244 | sumxz+=xxx(index*4+2)*x; | |
1245 | sumx2z+=xxx(index*4+2)*x2; | |
1246 | sumq+=xxx(index*4+3); | |
1247 | } | |
73042f01 | 1248 | Float_t centralPad = (fTPCParam->GetNPads(isec,lastrow)-1)/2; |
cc80f89e | 1249 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ |
1250 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
1251 | ||
1252 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
1253 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
1254 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
1255 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
1256 | ||
1257 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
1258 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
1259 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
1260 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
1261 | ||
da33556f | 1262 | if (TMath::Abs(det)<0.00001){ |
1263 | tpcHit = (AliTPChit*)NextHit(); | |
1264 | continue; | |
1265 | } | |
1266 | ||
73042f01 | 1267 | Float_t y=detay/det+centralPad; |
cc80f89e | 1268 | Float_t z=detaz/det; |
1269 | Float_t by=detby/det; //y angle | |
1270 | Float_t bz=detbz/det; //z angle | |
1271 | sumy/=Float_t(currentIndex); | |
1272 | sumz/=Float_t(currentIndex); | |
5f16d237 | 1273 | |
cc80f89e | 1274 | AliTPCClustersRow * row = (fClustersArray->GetRow(isec,lastrow)); |
5f16d237 | 1275 | if (row!=0) { |
1276 | AliComplexCluster* cl = new((AliComplexCluster*)row->Append()) AliComplexCluster ; | |
1277 | // AliComplexCluster cl; | |
1278 | cl->fX=z; | |
1279 | cl->fY=y; | |
1280 | cl->fQ=sumq; | |
1281 | cl->fSigmaX2=bz; | |
1282 | cl->fSigmaY2=by; | |
1283 | cl->fTracks[0]=ipart; | |
1284 | } | |
cc80f89e | 1285 | currentIndex=0; |
1286 | lastrow=currentrow; | |
1287 | } //end of calculating cluster for given row | |
1288 | ||
1289 | ||
5f16d237 | 1290 | tpcHit = (AliTPChit*)NextHit(); |
cc80f89e | 1291 | } // end of loop over hits |
1292 | } // end of loop over tracks | |
1293 | //write padrows to tree | |
1294 | for (Int_t ii=0; ii<fTPCParam->GetNRow(isec);ii++) { | |
1295 | fClustersArray->StoreRow(isec,ii); | |
1296 | fClustersArray->ClearRow(isec,ii); | |
1297 | } | |
1298 | xxxx->Delete(); | |
1299 | ||
fe4da5cc | 1300 | } |
0a61bf9d | 1301 | |
1302 | ||
1303 | ||
85a5290f | 1304 | //______________________________________________________________________ |
9bdd974b | 1305 | AliDigitizer* AliTPC::CreateDigitizer(AliRunDigitizer* manager) const |
85a5290f | 1306 | { |
1307 | return new AliTPCDigitizer(manager); | |
1308 | } | |
0a61bf9d | 1309 | //__ |
176aff27 | 1310 | void AliTPC::SDigits2Digits2(Int_t /*eventnumber*/) |
0a61bf9d | 1311 | { |
1312 | //create digits from summable digits | |
407ff276 | 1313 | GenerNoise(500000); //create teble with noise |
0a61bf9d | 1314 | |
1315 | //conect tree with sSDigits | |
88cb7938 | 1316 | TTree *t = fLoader->TreeS(); |
1317 | ||
1318 | if (t == 0x0) | |
1319 | { | |
1320 | fLoader->LoadSDigits("READ"); | |
1321 | t = fLoader->TreeS(); | |
1322 | if (t == 0x0) | |
1323 | { | |
1324 | Error("SDigits2Digits2","Can not get input TreeS"); | |
1325 | return; | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | if (fLoader->TreeD() == 0x0) fLoader->MakeTree("D"); | |
1330 | ||
0a61bf9d | 1331 | AliSimDigits digarr, *dummy=&digarr; |
88cb7938 | 1332 | TBranch* sdb = t->GetBranch("Segment"); |
1333 | if (sdb == 0x0) | |
1334 | { | |
1335 | Error("SDigits2Digits2","Can not find branch with segments in TreeS."); | |
1336 | return; | |
1337 | } | |
1338 | ||
1339 | sdb->SetAddress(&dummy); | |
1340 | ||
0a61bf9d | 1341 | Stat_t nentries = t->GetEntries(); |
1342 | ||
5f16d237 | 1343 | // set zero suppression |
1344 | ||
1345 | fTPCParam->SetZeroSup(2); | |
1346 | ||
1347 | // get zero suppression | |
1348 | ||
1349 | Int_t zerosup = fTPCParam->GetZeroSup(); | |
1350 | ||
1351 | //make tree with digits | |
1352 | ||
0a61bf9d | 1353 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1354 | arr->SetClass("AliSimDigits"); | |
1355 | arr->Setup(fTPCParam); | |
88cb7938 | 1356 | arr->MakeTree(fLoader->TreeD()); |
0a61bf9d | 1357 | |
88cb7938 | 1358 | AliTPCParam * par = fTPCParam; |
5f16d237 | 1359 | |
0a61bf9d | 1360 | //Loop over segments of the TPC |
5f16d237 | 1361 | |
0a61bf9d | 1362 | for (Int_t n=0; n<nentries; n++) { |
1363 | t->GetEvent(n); | |
1364 | Int_t sec, row; | |
1365 | if (!par->AdjustSectorRow(digarr.GetID(),sec,row)) { | |
1366 | cerr<<"AliTPC warning: invalid segment ID ! "<<digarr.GetID()<<endl; | |
1367 | continue; | |
1368 | } | |
88cb7938 | 1369 | if (!IsSectorActive(sec)) |
1370 | { | |
1371 | // cout<<n<<" NOT Active \n"; | |
1372 | continue; | |
1373 | } | |
1374 | else | |
1375 | { | |
1376 | // cout<<n<<" Active \n"; | |
1377 | } | |
0a61bf9d | 1378 | AliSimDigits * digrow =(AliSimDigits*) arr->CreateRow(sec,row); |
1379 | Int_t nrows = digrow->GetNRows(); | |
1380 | Int_t ncols = digrow->GetNCols(); | |
1381 | ||
1382 | digrow->ExpandBuffer(); | |
1383 | digarr.ExpandBuffer(); | |
1384 | digrow->ExpandTrackBuffer(); | |
1385 | digarr.ExpandTrackBuffer(); | |
1386 | ||
5f16d237 | 1387 | |
407ff276 | 1388 | Short_t * pamp0 = digarr.GetDigits(); |
1389 | Int_t * ptracks0 = digarr.GetTracks(); | |
1390 | Short_t * pamp1 = digrow->GetDigits(); | |
1391 | Int_t * ptracks1 = digrow->GetTracks(); | |
1392 | Int_t nelems =nrows*ncols; | |
1393 | Int_t saturation = fTPCParam->GetADCSat(); | |
1394 | //use internal structure of the AliDigits - for speed reason | |
1395 | //if you cahnge implementation | |
1396 | //of the Alidigits - it must be rewriten - | |
1397 | for (Int_t i= 0; i<nelems; i++){ | |
1398 | // Float_t q = *pamp0; | |
1399 | //q/=16.; //conversion faktor | |
1400 | //Float_t noise= GetNoise(); | |
1401 | //q+=noise; | |
1402 | //q= TMath::Nint(q); | |
1403 | Float_t q = TMath::Nint(Float_t(*pamp0)/16.+GetNoise()); | |
1404 | if (q>zerosup){ | |
1405 | if (q>saturation) q=saturation; | |
1406 | *pamp1=(Short_t)q; | |
1407 | //if (ptracks0[0]==0) | |
1408 | // ptracks1[0]=1; | |
1409 | //else | |
1410 | ptracks1[0]=ptracks0[0]; | |
1411 | ptracks1[nelems]=ptracks0[nelems]; | |
1412 | ptracks1[2*nelems]=ptracks0[2*nelems]; | |
1413 | } | |
1414 | pamp0++; | |
1415 | pamp1++; | |
1416 | ptracks0++; | |
1417 | ptracks1++; | |
1418 | } | |
5f16d237 | 1419 | |
5f16d237 | 1420 | arr->StoreRow(sec,row); |
1421 | arr->ClearRow(sec,row); | |
9fe90376 | 1422 | // cerr<<sec<<"\t"<<row<<"\n"; |
5f16d237 | 1423 | } |
0a61bf9d | 1424 | |
0a61bf9d | 1425 | |
5f16d237 | 1426 | //write results |
88cb7938 | 1427 | fLoader->WriteDigits("OVERWRITE"); |
5f16d237 | 1428 | |
88cb7938 | 1429 | delete arr; |
afc42102 | 1430 | } |
1431 | //__________________________________________________________________ | |
1432 | void AliTPC::SetDefaults(){ | |
9bdd974b | 1433 | // |
1434 | // setting the defaults | |
1435 | // | |
afc42102 | 1436 | |
f540341d | 1437 | // cerr<<"Setting default parameters...\n"; |
afc42102 | 1438 | |
1439 | // Set response functions | |
1440 | ||
88cb7938 | 1441 | // |
1442 | AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::fgkRunLoaderName); | |
1443 | rl->CdGAFile(); | |
2ab0c725 | 1444 | AliTPCParamSR *param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60"); |
7a09f434 | 1445 | if(param){ |
1446 | printf("You are using 2 pad-length geom hits with 3 pad-lenght geom digits...\n"); | |
1447 | delete param; | |
1448 | param = new AliTPCParamSR(); | |
1449 | } | |
1450 | else { | |
1451 | param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60"); | |
1452 | } | |
1453 | if(!param){ | |
1454 | printf("No TPC parameters found\n"); | |
1455 | exit(4); | |
1456 | } | |
1457 | ||
1458 | ||
2ab0c725 | 1459 | AliTPCPRF2D * prfinner = new AliTPCPRF2D; |
f03e3423 | 1460 | AliTPCPRF2D * prfouter1 = new AliTPCPRF2D; |
1461 | AliTPCPRF2D * prfouter2 = new AliTPCPRF2D; | |
2ab0c725 | 1462 | AliTPCRF1D * rf = new AliTPCRF1D(kTRUE); |
2ab0c725 | 1463 | rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.); |
1464 | rf->SetOffset(3*param->GetZSigma()); | |
1465 | rf->Update(); | |
afc42102 | 1466 | |
1467 | TDirectory *savedir=gDirectory; | |
2ab0c725 | 1468 | TFile *f=TFile::Open("$ALICE_ROOT/TPC/AliTPCprf2d.root"); |
1469 | if (!f->IsOpen()) { | |
afc42102 | 1470 | cerr<<"Can't open $ALICE_ROOT/TPC/AliTPCprf2d.root !\n" ; |
2ab0c725 | 1471 | exit(3); |
1472 | } | |
2a336e15 | 1473 | |
1474 | TString s; | |
2ab0c725 | 1475 | prfinner->Read("prf_07504_Gati_056068_d02"); |
2a336e15 | 1476 | //PH Set different names |
1477 | s=prfinner->GetGRF()->GetName(); | |
1478 | s+="in"; | |
1479 | prfinner->GetGRF()->SetName(s.Data()); | |
1480 | ||
f03e3423 | 1481 | prfouter1->Read("prf_10006_Gati_047051_d03"); |
2a336e15 | 1482 | s=prfouter1->GetGRF()->GetName(); |
1483 | s+="out1"; | |
1484 | prfouter1->GetGRF()->SetName(s.Data()); | |
1485 | ||
f03e3423 | 1486 | prfouter2->Read("prf_15006_Gati_047051_d03"); |
2a336e15 | 1487 | s=prfouter2->GetGRF()->GetName(); |
1488 | s+="out2"; | |
1489 | prfouter2->GetGRF()->SetName(s.Data()); | |
1490 | ||
2ab0c725 | 1491 | f->Close(); |
afc42102 | 1492 | savedir->cd(); |
1493 | ||
2ab0c725 | 1494 | param->SetInnerPRF(prfinner); |
f03e3423 | 1495 | param->SetOuter1PRF(prfouter1); |
1496 | param->SetOuter2PRF(prfouter2); | |
2ab0c725 | 1497 | param->SetTimeRF(rf); |
1498 | ||
afc42102 | 1499 | // set fTPCParam |
1500 | ||
2ab0c725 | 1501 | SetParam(param); |
1502 | ||
afc42102 | 1503 | |
1504 | fDefaults = 1; | |
1505 | ||
1506 | } | |
1507 | //__________________________________________________________________ | |
85a5290f | 1508 | void AliTPC::Hits2Digits() |
1509 | { | |
9bdd974b | 1510 | // |
1511 | // creates digits from hits | |
1512 | // | |
1513 | ||
85a5290f | 1514 | fLoader->LoadHits("read"); |
1515 | fLoader->LoadDigits("recreate"); | |
1516 | AliRunLoader* runLoader = fLoader->GetRunLoader(); | |
1517 | ||
1518 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { | |
1519 | runLoader->GetEvent(iEvent); | |
1520 | SetActiveSectors(); | |
1521 | Hits2Digits(iEvent); | |
1522 | } | |
1523 | ||
1524 | fLoader->UnloadHits(); | |
1525 | fLoader->UnloadDigits(); | |
1526 | } | |
1527 | //__________________________________________________________________ | |
afc42102 | 1528 | void AliTPC::Hits2Digits(Int_t eventnumber) |
1529 | { | |
1530 | //---------------------------------------------------- | |
1531 | // Loop over all sectors for a single event | |
1532 | //---------------------------------------------------- | |
88cb7938 | 1533 | AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::fgkRunLoaderName); |
1534 | rl->GetEvent(eventnumber); | |
1535 | if (fLoader->TreeH() == 0x0) | |
1536 | { | |
1537 | if(fLoader->LoadHits()) | |
1538 | { | |
1539 | Error("Hits2Digits","Can not load hits."); | |
1540 | } | |
1541 | } | |
1542 | SetTreeAddress(); | |
1543 | ||
1544 | if (fLoader->TreeD() == 0x0 ) | |
1545 | { | |
1546 | fLoader->MakeTree("D"); | |
1547 | if (fLoader->TreeD() == 0x0 ) | |
1548 | { | |
1549 | Error("Hits2Digits","Can not get TreeD"); | |
1550 | return; | |
1551 | } | |
1552 | } | |
afc42102 | 1553 | |
1554 | if(fDefaults == 0) SetDefaults(); // check if the parameters are set | |
407ff276 | 1555 | GenerNoise(500000); //create teble with noise |
2ab0c725 | 1556 | |
1557 | //setup TPCDigitsArray | |
afc42102 | 1558 | |
1559 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1560 | ||
2ab0c725 | 1561 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1562 | arr->SetClass("AliSimDigits"); | |
afc42102 | 1563 | arr->Setup(fTPCParam); |
88cb7938 | 1564 | |
1565 | arr->MakeTree(fLoader->TreeD()); | |
2ab0c725 | 1566 | SetDigitsArray(arr); |
1567 | ||
afc42102 | 1568 | fDigitsSwitch=0; // standard digits |
2ab0c725 | 1569 | |
f540341d | 1570 | // cerr<<"Digitizing TPC -- normal digits...\n"; |
fe4da5cc | 1571 | |
88cb7938 | 1572 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) |
1573 | if (IsSectorActive(isec)) | |
1574 | { | |
f2a509af | 1575 | if (fDebug) Info("Hits2Digits","Sector %d is active.",isec); |
88cb7938 | 1576 | Hits2DigitsSector(isec); |
1577 | } | |
1578 | else | |
1579 | { | |
f2a509af | 1580 | if (fDebug) Info("Hits2Digits","Sector %d is NOT active.",isec); |
88cb7938 | 1581 | } |
cc80f89e | 1582 | |
88cb7938 | 1583 | fLoader->WriteDigits("OVERWRITE"); |
f2a509af | 1584 | |
1585 | //this line prevents the crash in the similar one | |
1586 | //on the beginning of this method | |
1587 | //destructor attempts to reset the tree, which is deleted by the loader | |
1588 | //need to be redesign | |
1589 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1590 | SetDigitsArray(0x0); | |
1591 | ||
8c555625 | 1592 | } |
1593 | ||
f8cf550c | 1594 | //__________________________________________________________________ |
0a61bf9d | 1595 | void AliTPC::Hits2SDigits2(Int_t eventnumber) |
f8cf550c | 1596 | { |
1597 | ||
1598 | //----------------------------------------------------------- | |
1599 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1600 | //----------------------------------------------------------- | |
1601 | ||
1602 | //---------------------------------------------------- | |
afc42102 | 1603 | // Loop over all sectors for a single event |
f8cf550c | 1604 | //---------------------------------------------------- |
88cb7938 | 1605 | // AliRunLoader* rl = (AliRunLoader*)fLoader->GetEventFolder()->FindObject(AliRunLoader::fgkRunLoaderName); |
1606 | ||
1607 | AliRunLoader* rl = fLoader->GetRunLoader(); | |
1608 | ||
1609 | rl->GetEvent(eventnumber); | |
1610 | if (fLoader->TreeH() == 0x0) | |
1611 | { | |
1612 | if(fLoader->LoadHits()) | |
1613 | { | |
1614 | Error("Hits2Digits","Can not load hits."); | |
1615 | return; | |
1616 | } | |
1617 | } | |
1618 | SetTreeAddress(); | |
f8cf550c | 1619 | |
afc42102 | 1620 | |
88cb7938 | 1621 | if (fLoader->TreeS() == 0x0 ) |
1622 | { | |
1623 | fLoader->MakeTree("S"); | |
1624 | } | |
1625 | ||
afc42102 | 1626 | if(fDefaults == 0) SetDefaults(); |
88cb7938 | 1627 | |
407ff276 | 1628 | GenerNoise(500000); //create table with noise |
afc42102 | 1629 | //setup TPCDigitsArray |
1630 | ||
1631 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1632 | ||
88cb7938 | 1633 | |
afc42102 | 1634 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1635 | arr->SetClass("AliSimDigits"); | |
1636 | arr->Setup(fTPCParam); | |
88cb7938 | 1637 | arr->MakeTree(fLoader->TreeS()); |
1638 | ||
afc42102 | 1639 | SetDigitsArray(arr); |
1640 | ||
f540341d | 1641 | // cerr<<"Digitizing TPC -- summable digits...\n"; |
afc42102 | 1642 | |
1643 | fDigitsSwitch=1; // summable digits | |
5f16d237 | 1644 | |
1645 | // set zero suppression to "0" | |
1646 | ||
1647 | fTPCParam->SetZeroSup(0); | |
f8cf550c | 1648 | |
88cb7938 | 1649 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) |
1650 | if (IsSectorActive(isec)) | |
1651 | { | |
1652 | // cout<<"Sector "<<isec<<" is active\n"; | |
1653 | Hits2DigitsSector(isec); | |
1654 | } | |
1655 | ||
1656 | fLoader->WriteSDigits("OVERWRITE"); | |
1657 | ||
1658 | //this line prevents the crash in the similar one | |
1659 | //on the beginning of this method | |
1660 | //destructor attempts to reset the tree, which is deleted by the loader | |
1661 | //need to be redesign | |
1662 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1663 | SetDigitsArray(0x0); | |
f8cf550c | 1664 | } |
0a61bf9d | 1665 | //__________________________________________________________________ |
88cb7938 | 1666 | |
0a61bf9d | 1667 | void AliTPC::Hits2SDigits() |
1668 | { | |
1669 | ||
1670 | //----------------------------------------------------------- | |
1671 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1672 | //----------------------------------------------------------- | |
1673 | ||
85a5290f | 1674 | fLoader->LoadHits("read"); |
1675 | fLoader->LoadSDigits("recreate"); | |
1676 | AliRunLoader* runLoader = fLoader->GetRunLoader(); | |
0a61bf9d | 1677 | |
85a5290f | 1678 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
1679 | runLoader->GetEvent(iEvent); | |
1680 | SetTreeAddress(); | |
1681 | SetActiveSectors(); | |
1682 | Hits2SDigits2(iEvent); | |
1683 | } | |
0a61bf9d | 1684 | |
85a5290f | 1685 | fLoader->UnloadHits(); |
1686 | fLoader->UnloadSDigits(); | |
0a61bf9d | 1687 | } |
fe4da5cc | 1688 | //_____________________________________________________________________________ |
88cb7938 | 1689 | |
8c555625 | 1690 | void AliTPC::Hits2DigitsSector(Int_t isec) |
fe4da5cc | 1691 | { |
8c555625 | 1692 | //------------------------------------------------------------------- |
fe4da5cc | 1693 | // TPC conversion from hits to digits. |
8c555625 | 1694 | //------------------------------------------------------------------- |
1695 | ||
1696 | //----------------------------------------------------------------- | |
1697 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1698 | //----------------------------------------------------------------- | |
1699 | ||
fe4da5cc | 1700 | //------------------------------------------------------- |
8c555625 | 1701 | // Get the access to the track hits |
fe4da5cc | 1702 | //------------------------------------------------------- |
8c555625 | 1703 | |
afc42102 | 1704 | // check if the parameters are set - important if one calls this method |
1705 | // directly, not from the Hits2Digits | |
1706 | ||
1707 | if(fDefaults == 0) SetDefaults(); | |
cc80f89e | 1708 | |
88cb7938 | 1709 | TTree *tH = TreeH(); // pointer to the hits tree |
1710 | if (tH == 0x0) | |
1711 | { | |
1712 | Fatal("Hits2DigitsSector","Can not find TreeH in folder"); | |
1713 | return; | |
1714 | } | |
1715 | ||
73042f01 | 1716 | Stat_t ntracks = tH->GetEntries(); |
8c555625 | 1717 | |
1718 | if( ntracks > 0){ | |
1719 | ||
1720 | //------------------------------------------- | |
1721 | // Only if there are any tracks... | |
1722 | //------------------------------------------- | |
1723 | ||
8c555625 | 1724 | TObjArray **row; |
fe4da5cc | 1725 | |
a62d28a2 | 1726 | //printf("*** Processing sector number %d ***\n",isec); |
8c555625 | 1727 | |
1728 | Int_t nrows =fTPCParam->GetNRow(isec); | |
1729 | ||
b584c7dd | 1730 | row= new TObjArray* [nrows+2]; // 2 extra rows for cross talk |
fe4da5cc | 1731 | |
73042f01 | 1732 | MakeSector(isec,nrows,tH,ntracks,row); |
8c555625 | 1733 | |
1734 | //-------------------------------------------------------- | |
1735 | // Digitize this sector, row by row | |
de61d5d5 | 1736 | // row[i] is the pointer to the TObjArray of AliTPCFastVectors, |
8c555625 | 1737 | // each one containing electrons accepted on this |
1738 | // row, assigned into tracks | |
1739 | //-------------------------------------------------------- | |
1740 | ||
1741 | Int_t i; | |
1742 | ||
88cb7938 | 1743 | if (fDigitsArray->GetTree()==0) |
1744 | { | |
1745 | Fatal("Hits2DigitsSector","Tree not set in fDigitsArray"); | |
1746 | } | |
8c555625 | 1747 | |
cc80f89e | 1748 | for (i=0;i<nrows;i++){ |
8c555625 | 1749 | |
afc42102 | 1750 | AliDigits * dig = fDigitsArray->CreateRow(isec,i); |
8c555625 | 1751 | |
cc80f89e | 1752 | DigitizeRow(i,isec,row); |
8c555625 | 1753 | |
cc80f89e | 1754 | fDigitsArray->StoreRow(isec,i); |
8c555625 | 1755 | |
792bb11c | 1756 | Int_t ndig = dig->GetDigitSize(); |
88cb7938 | 1757 | |
1758 | if (gDebug > 10) | |
1759 | printf("*** Sector, row, compressed digits %d %d %d ***\n",isec,i,ndig); | |
792bb11c | 1760 | |
cc80f89e | 1761 | fDigitsArray->ClearRow(isec,i); |
8c555625 | 1762 | |
cc80f89e | 1763 | |
8c555625 | 1764 | } // end of the sector digitization |
8c555625 | 1765 | |
df32adf9 | 1766 | for(i=0;i<nrows+2;i++){ |
39c8eb58 | 1767 | row[i]->Delete(); |
1768 | delete row[i]; | |
cc80f89e | 1769 | } |
1770 | ||
8c555625 | 1771 | delete [] row; // delete the array of pointers to TObjArray-s |
1772 | ||
1773 | } // ntracks >0 | |
8c555625 | 1774 | |
cc80f89e | 1775 | } // end of Hits2DigitsSector |
8c555625 | 1776 | |
8c555625 | 1777 | |
8c555625 | 1778 | //_____________________________________________________________________________ |
cc80f89e | 1779 | void AliTPC::DigitizeRow(Int_t irow,Int_t isec,TObjArray **rows) |
8c555625 | 1780 | { |
1781 | //----------------------------------------------------------- | |
1782 | // Single row digitization, coupling from the neighbouring | |
1783 | // rows taken into account | |
1784 | //----------------------------------------------------------- | |
1785 | ||
1786 | //----------------------------------------------------------------- | |
1787 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1788 | // Modified: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de |
8c555625 | 1789 | //----------------------------------------------------------------- |
1790 | ||
1791 | ||
8c555625 | 1792 | Float_t zerosup = fTPCParam->GetZeroSup(); |
b584c7dd | 1793 | // Int_t nrows =fTPCParam->GetNRow(isec); |
cc80f89e | 1794 | fCurrentIndex[1]= isec; |
8c555625 | 1795 | |
8c555625 | 1796 | |
73042f01 | 1797 | Int_t nofPads = fTPCParam->GetNPads(isec,irow); |
1798 | Int_t nofTbins = fTPCParam->GetMaxTBin(); | |
1799 | Int_t indexRange[4]; | |
8c555625 | 1800 | // |
1801 | // Integrated signal for this row | |
1802 | // and a single track signal | |
cc80f89e | 1803 | // |
de61d5d5 | 1804 | |
1805 | AliTPCFastMatrix *m1 = new AliTPCFastMatrix(0,nofPads,0,nofTbins); // integrated | |
1806 | AliTPCFastMatrix *m2 = new AliTPCFastMatrix(0,nofPads,0,nofTbins); // single | |
8c555625 | 1807 | // |
de61d5d5 | 1808 | AliTPCFastMatrix &total = *m1; |
8c555625 | 1809 | |
1810 | // Array of pointers to the label-signal list | |
1811 | ||
73042f01 | 1812 | Int_t nofDigits = nofPads*nofTbins; // number of digits for this row |
1813 | Float_t **pList = new Float_t* [nofDigits]; | |
8c555625 | 1814 | |
1815 | Int_t lp; | |
cc80f89e | 1816 | Int_t i1; |
73042f01 | 1817 | for(lp=0;lp<nofDigits;lp++)pList[lp]=0; // set all pointers to NULL |
8c555625 | 1818 | // |
cc80f89e | 1819 | //calculate signal |
1820 | // | |
b584c7dd | 1821 | //Int_t row1 = TMath::Max(irow-fTPCParam->GetNCrossRows(),0); |
1822 | //Int_t row2 = TMath::Min(irow+fTPCParam->GetNCrossRows(),nrows-1); | |
1823 | Int_t row1=irow; | |
1824 | Int_t row2=irow+2; | |
cc80f89e | 1825 | for (Int_t row= row1;row<=row2;row++){ |
1826 | Int_t nTracks= rows[row]->GetEntries(); | |
1827 | for (i1=0;i1<nTracks;i1++){ | |
1828 | fCurrentIndex[2]= row; | |
b584c7dd | 1829 | fCurrentIndex[3]=irow+1; |
1830 | if (row==irow+1){ | |
cc80f89e | 1831 | m2->Zero(); // clear single track signal matrix |
73042f01 | 1832 | Float_t trackLabel = GetSignal(rows[row],i1,m2,m1,indexRange); |
1833 | GetList(trackLabel,nofPads,m2,indexRange,pList); | |
cc80f89e | 1834 | } |
73042f01 | 1835 | else GetSignal(rows[row],i1,0,m1,indexRange); |
cc80f89e | 1836 | } |
8c555625 | 1837 | } |
cc80f89e | 1838 | |
8c555625 | 1839 | Int_t tracks[3]; |
8c555625 | 1840 | |
cc80f89e | 1841 | AliDigits *dig = fDigitsArray->GetRow(isec,irow); |
de61d5d5 | 1842 | Int_t gi=-1; |
1843 | Float_t fzerosup = zerosup+0.5; | |
1844 | for(Int_t it=0;it<nofTbins;it++){ | |
1845 | Float_t *pq = &(total.UncheckedAt(0,it)); | |
1846 | for(Int_t ip=0;ip<nofPads;ip++){ | |
1847 | gi++; | |
1848 | Float_t q=*pq; | |
1849 | pq++; | |
f8cf550c | 1850 | if(fDigitsSwitch == 0){ |
407ff276 | 1851 | q+=GetNoise(); |
de61d5d5 | 1852 | if(q <=fzerosup) continue; // do not fill zeros |
68771f83 | 1853 | q = TMath::Nint(q); |
f8cf550c | 1854 | if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation |
cc80f89e | 1855 | |
f8cf550c | 1856 | } |
1857 | ||
1858 | else { | |
5f16d237 | 1859 | if(q <= 0.) continue; // do not fill zeros |
68771f83 | 1860 | if(q>2000.) q=2000.; |
f8cf550c | 1861 | q *= 16.; |
68771f83 | 1862 | q = TMath::Nint(q); |
f8cf550c | 1863 | } |
8c555625 | 1864 | |
1865 | // | |
1866 | // "real" signal or electronic noise (list = -1)? | |
1867 | // | |
1868 | ||
1869 | for(Int_t j1=0;j1<3;j1++){ | |
407ff276 | 1870 | tracks[j1] = (pList[gi]) ?(Int_t)(*(pList[gi]+j1)) : -2; |
8c555625 | 1871 | } |
1872 | ||
cc80f89e | 1873 | //Begin_Html |
1874 | /* | |
1875 | <A NAME="AliDigits"></A> | |
1876 | using of AliDigits object | |
1877 | */ | |
1878 | //End_Html | |
1879 | dig->SetDigitFast((Short_t)q,it,ip); | |
1880 | if (fDigitsArray->IsSimulated()) | |
1881 | { | |
1882 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[0],it,ip,0); | |
1883 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[1],it,ip,1); | |
1884 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[2],it,ip,2); | |
1885 | } | |
1886 | ||
8c555625 | 1887 | |
1888 | } // end of loop over time buckets | |
1889 | } // end of lop over pads | |
1890 | ||
1891 | // | |
1892 | // This row has been digitized, delete nonused stuff | |
1893 | // | |
1894 | ||
73042f01 | 1895 | for(lp=0;lp<nofDigits;lp++){ |
8c555625 | 1896 | if(pList[lp]) delete [] pList[lp]; |
1897 | } | |
1898 | ||
1899 | delete [] pList; | |
1900 | ||
1901 | delete m1; | |
1902 | delete m2; | |
cc80f89e | 1903 | // delete m3; |
8c555625 | 1904 | |
1905 | } // end of DigitizeRow | |
cc80f89e | 1906 | |
8c555625 | 1907 | //_____________________________________________________________________________ |
cc80f89e | 1908 | |
de61d5d5 | 1909 | Float_t AliTPC::GetSignal(TObjArray *p1, Int_t ntr, |
1910 | AliTPCFastMatrix *m1, AliTPCFastMatrix *m2,Int_t *indexRange) | |
8c555625 | 1911 | { |
1912 | ||
1913 | //--------------------------------------------------------------- | |
1914 | // Calculates 2-D signal (pad,time) for a single track, | |
1915 | // returns a pointer to the signal matrix and the track label | |
1916 | // No digitization is performed at this level!!! | |
1917 | //--------------------------------------------------------------- | |
1918 | ||
1919 | //----------------------------------------------------------------- | |
1920 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1921 | // Modified: Marian Ivanov |
8c555625 | 1922 | //----------------------------------------------------------------- |
1923 | ||
de61d5d5 | 1924 | AliTPCFastVector *tv; |
1925 | ||
1926 | tv = (AliTPCFastVector*)p1->At(ntr); // pointer to a track | |
1927 | AliTPCFastVector &v = *tv; | |
8c555625 | 1928 | |
1929 | Float_t label = v(0); | |
b584c7dd | 1930 | Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]-1)-1)/2; |
8c555625 | 1931 | |
8c555625 | 1932 | Int_t nElectrons = (tv->GetNrows()-1)/4; |
73042f01 | 1933 | indexRange[0]=9999; // min pad |
1934 | indexRange[1]=-1; // max pad | |
1935 | indexRange[2]=9999; //min time | |
1936 | indexRange[3]=-1; // max time | |
8c555625 | 1937 | |
de61d5d5 | 1938 | AliTPCFastMatrix &signal = *m1; |
1939 | AliTPCFastMatrix &total = *m2; | |
8c555625 | 1940 | // |
1941 | // Loop over all electrons | |
1942 | // | |
8c555625 | 1943 | for(Int_t nel=0; nel<nElectrons; nel++){ |
cc80f89e | 1944 | Int_t idx=nel*4; |
1945 | Float_t aval = v(idx+4); | |
1946 | Float_t eltoadcfac=aval*fTPCParam->GetTotalNormFac(); | |
1947 | Float_t xyz[3]={v(idx+1),v(idx+2),v(idx+3)}; | |
de61d5d5 | 1948 | Int_t n = ((AliTPCParamSR*)fTPCParam)->CalcResponseFast(xyz,fCurrentIndex,fCurrentIndex[3]); |
1949 | ||
1950 | Int_t *index = fTPCParam->GetResBin(0); | |
1951 | Float_t *weight = & (fTPCParam->GetResWeight(0)); | |
1952 | ||
1953 | if (n>0) for (Int_t i =0; i<n; i++){ | |
73042f01 | 1954 | Int_t pad=index[1]+centralPad; //in digit coordinates central pad has coordinate 0 |
de61d5d5 | 1955 | |
1956 | if (pad>=0){ | |
cc80f89e | 1957 | Int_t time=index[2]; |
de61d5d5 | 1958 | Float_t qweight = *(weight)*eltoadcfac; |
cc80f89e | 1959 | |
de61d5d5 | 1960 | if (m1!=0) signal.UncheckedAt(pad,time)+=qweight; |
1961 | total.UncheckedAt(pad,time)+=qweight; | |
1962 | if (indexRange[0]>pad) indexRange[0]=pad; | |
1963 | if (indexRange[1]<pad) indexRange[1]=pad; | |
1964 | if (indexRange[2]>time) indexRange[2]=time; | |
1965 | if (indexRange[3]<time) indexRange[3]=time; | |
1966 | ||
1967 | index+=3; | |
1968 | weight++; | |
1969 | ||
cc80f89e | 1970 | } |
1971 | } | |
8c555625 | 1972 | } // end of loop over electrons |
cc80f89e | 1973 | |
8c555625 | 1974 | return label; // returns track label when finished |
1975 | } | |
1976 | ||
1977 | //_____________________________________________________________________________ | |
de61d5d5 | 1978 | void AliTPC::GetList(Float_t label,Int_t np,AliTPCFastMatrix *m, |
1979 | Int_t *indexRange, Float_t **pList) | |
8c555625 | 1980 | { |
1981 | //---------------------------------------------------------------------- | |
1982 | // Updates the list of tracks contributing to digits for a given row | |
1983 | //---------------------------------------------------------------------- | |
1984 | ||
1985 | //----------------------------------------------------------------- | |
1986 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1987 | //----------------------------------------------------------------- | |
1988 | ||
de61d5d5 | 1989 | AliTPCFastMatrix &signal = *m; |
8c555625 | 1990 | |
1991 | // lop over nonzero digits | |
1992 | ||
73042f01 | 1993 | for(Int_t it=indexRange[2];it<indexRange[3]+1;it++){ |
1994 | for(Int_t ip=indexRange[0];ip<indexRange[1]+1;ip++){ | |
8c555625 | 1995 | |
1996 | ||
921bf71a | 1997 | // accept only the contribution larger than 500 electrons (1/2 s_noise) |
1998 | ||
cc80f89e | 1999 | if(signal(ip,it)<0.5) continue; |
921bf71a | 2000 | |
2001 | ||
73042f01 | 2002 | Int_t globalIndex = it*np+ip; // globalIndex starts from 0! |
8c555625 | 2003 | |
73042f01 | 2004 | if(!pList[globalIndex]){ |
8c555625 | 2005 | |
2006 | // | |
2007 | // Create new list (6 elements - 3 signals and 3 labels), | |
8c555625 | 2008 | // |
2009 | ||
73042f01 | 2010 | pList[globalIndex] = new Float_t [6]; |
8c555625 | 2011 | |
2012 | // set list to -1 | |
2013 | ||
73042f01 | 2014 | *pList[globalIndex] = -1.; |
2015 | *(pList[globalIndex]+1) = -1.; | |
2016 | *(pList[globalIndex]+2) = -1.; | |
2017 | *(pList[globalIndex]+3) = -1.; | |
2018 | *(pList[globalIndex]+4) = -1.; | |
2019 | *(pList[globalIndex]+5) = -1.; | |
8c555625 | 2020 | |
2021 | ||
73042f01 | 2022 | *pList[globalIndex] = label; |
2023 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 2024 | } |
2025 | else{ | |
2026 | ||
2027 | // check the signal magnitude | |
2028 | ||
73042f01 | 2029 | Float_t highest = *(pList[globalIndex]+3); |
2030 | Float_t middle = *(pList[globalIndex]+4); | |
2031 | Float_t lowest = *(pList[globalIndex]+5); | |
8c555625 | 2032 | |
2033 | // | |
2034 | // compare the new signal with already existing list | |
2035 | // | |
2036 | ||
2037 | if(signal(ip,it)<lowest) continue; // neglect this track | |
2038 | ||
2039 | // | |
2040 | ||
2041 | if (signal(ip,it)>highest){ | |
73042f01 | 2042 | *(pList[globalIndex]+5) = middle; |
2043 | *(pList[globalIndex]+4) = highest; | |
2044 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 2045 | |
73042f01 | 2046 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
2047 | *(pList[globalIndex]+1) = *pList[globalIndex]; | |
2048 | *pList[globalIndex] = label; | |
8c555625 | 2049 | } |
2050 | else if (signal(ip,it)>middle){ | |
73042f01 | 2051 | *(pList[globalIndex]+5) = middle; |
2052 | *(pList[globalIndex]+4) = signal(ip,it); | |
8c555625 | 2053 | |
73042f01 | 2054 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
2055 | *(pList[globalIndex]+1) = label; | |
8c555625 | 2056 | } |
2057 | else{ | |
73042f01 | 2058 | *(pList[globalIndex]+5) = signal(ip,it); |
2059 | *(pList[globalIndex]+2) = label; | |
8c555625 | 2060 | } |
2061 | } | |
2062 | ||
2063 | } // end of loop over pads | |
2064 | } // end of loop over time bins | |
2065 | ||
2066 | ||
2067 | ||
8c555625 | 2068 | }//end of GetList |
2069 | //___________________________________________________________________ | |
2070 | void AliTPC::MakeSector(Int_t isec,Int_t nrows,TTree *TH, | |
2071 | Stat_t ntracks,TObjArray **row) | |
2072 | { | |
2073 | ||
2074 | //----------------------------------------------------------------- | |
2075 | // Prepares the sector digitization, creates the vectors of | |
2076 | // tracks for each row of this sector. The track vector | |
2077 | // contains the track label and the position of electrons. | |
2078 | //----------------------------------------------------------------- | |
2079 | ||
2080 | //----------------------------------------------------------------- | |
2081 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2082 | //----------------------------------------------------------------- | |
2083 | ||
cc80f89e | 2084 | Float_t gasgain = fTPCParam->GetGasGain(); |
8c555625 | 2085 | Int_t i; |
cc80f89e | 2086 | Float_t xyz[4]; |
8c555625 | 2087 | |
2088 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
39c8eb58 | 2089 | //MI change |
2090 | TBranch * branch=0; | |
792bb11c | 2091 | if (fHitType>1) branch = TH->GetBranch("TPC2"); |
39c8eb58 | 2092 | else branch = TH->GetBranch("TPC"); |
2093 | ||
8c555625 | 2094 | |
2095 | //---------------------------------------------- | |
2096 | // Create TObjArray-s, one for each row, | |
de61d5d5 | 2097 | // each TObjArray will store the AliTPCFastVectors |
2098 | // of electrons, one AliTPCFastVectors per each track. | |
8c555625 | 2099 | //---------------------------------------------- |
2100 | ||
b584c7dd | 2101 | Int_t *nofElectrons = new Int_t [nrows+2]; // electron counter for each row |
2102 | AliTPCFastVector **tracks = new AliTPCFastVector* [nrows+2]; //pointers to the track vectors | |
de61d5d5 | 2103 | |
b584c7dd | 2104 | for(i=0; i<nrows+2; i++){ |
8c555625 | 2105 | row[i] = new TObjArray; |
f74bb6f5 | 2106 | nofElectrons[i]=0; |
2107 | tracks[i]=0; | |
8c555625 | 2108 | } |
8c555625 | 2109 | |
37831078 | 2110 | |
2111 | ||
8c555625 | 2112 | //-------------------------------------------------------------------- |
2113 | // Loop over tracks, the "track" contains the full history | |
2114 | //-------------------------------------------------------------------- | |
2115 | ||
2116 | Int_t previousTrack,currentTrack; | |
2117 | previousTrack = -1; // nothing to store so far! | |
2118 | ||
2119 | for(Int_t track=0;track<ntracks;track++){ | |
39c8eb58 | 2120 | Bool_t isInSector=kTRUE; |
8c555625 | 2121 | ResetHits(); |
792bb11c | 2122 | isInSector = TrackInVolume(isec,track); |
39c8eb58 | 2123 | if (!isInSector) continue; |
2124 | //MI change | |
2125 | branch->GetEntry(track); // get next track | |
2126 | ||
2127 | //M.I. changes | |
8c555625 | 2128 | |
39c8eb58 | 2129 | tpcHit = (AliTPChit*)FirstHit(-1); |
8c555625 | 2130 | |
2131 | //-------------------------------------------------------------- | |
2132 | // Loop over hits | |
2133 | //-------------------------------------------------------------- | |
2134 | ||
8c555625 | 2135 | |
39c8eb58 | 2136 | while(tpcHit){ |
8c555625 | 2137 | |
2138 | Int_t sector=tpcHit->fSector; // sector number | |
39c8eb58 | 2139 | if(sector != isec){ |
2140 | tpcHit = (AliTPChit*) NextHit(); | |
2141 | continue; | |
2142 | } | |
8c555625 | 2143 | |
94de3818 | 2144 | currentTrack = tpcHit->Track(); // track number |
39c8eb58 | 2145 | |
2146 | ||
8c555625 | 2147 | if(currentTrack != previousTrack){ |
2148 | ||
2149 | // store already filled fTrack | |
2150 | ||
b584c7dd | 2151 | for(i=0;i<nrows+2;i++){ |
8c555625 | 2152 | if(previousTrack != -1){ |
73042f01 | 2153 | if(nofElectrons[i]>0){ |
de61d5d5 | 2154 | AliTPCFastVector &v = *tracks[i]; |
8c555625 | 2155 | v(0) = previousTrack; |
73042f01 | 2156 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 2157 | row[i]->Add(tracks[i]); |
8c555625 | 2158 | } |
2159 | else{ | |
de61d5d5 | 2160 | delete tracks[i]; // delete empty AliTPCFastVector |
cc80f89e | 2161 | tracks[i]=0; |
8c555625 | 2162 | } |
2163 | } | |
2164 | ||
73042f01 | 2165 | nofElectrons[i]=0; |
de61d5d5 | 2166 | tracks[i] = new AliTPCFastVector(481); // AliTPCFastVectors for the next fTrack |
8c555625 | 2167 | |
2168 | } // end of loop over rows | |
2169 | ||
2170 | previousTrack=currentTrack; // update track label | |
2171 | } | |
2172 | ||
73042f01 | 2173 | Int_t qI = (Int_t) (tpcHit->fQ); // energy loss (number of electrons) |
8c555625 | 2174 | |
2175 | //--------------------------------------------------- | |
2176 | // Calculate the electron attachment probability | |
2177 | //--------------------------------------------------- | |
2178 | ||
cc80f89e | 2179 | |
94de3818 | 2180 | Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z())) |
cc80f89e | 2181 | /fTPCParam->GetDriftV(); |
8c555625 | 2182 | // in microseconds! |
73042f01 | 2183 | Float_t attProb = fTPCParam->GetAttCoef()* |
8c555625 | 2184 | fTPCParam->GetOxyCont()*time; // fraction! |
2185 | ||
2186 | //----------------------------------------------- | |
2187 | // Loop over electrons | |
2188 | //----------------------------------------------- | |
cc80f89e | 2189 | Int_t index[3]; |
2190 | index[1]=isec; | |
73042f01 | 2191 | for(Int_t nel=0;nel<qI;nel++){ |
8c555625 | 2192 | // skip if electron lost due to the attachment |
73042f01 | 2193 | if((gRandom->Rndm(0)) < attProb) continue; // electron lost! |
94de3818 | 2194 | xyz[0]=tpcHit->X(); |
2195 | xyz[1]=tpcHit->Y(); | |
1705494b | 2196 | xyz[2]=tpcHit->Z(); |
2197 | // | |
2198 | // protection for the nonphysical avalanche size (10**6 maximum) | |
2199 | // | |
710dacf5 | 2200 | Double_t rn=TMath::Max(gRandom->Rndm(0),1.93e-22); |
2201 | xyz[3]= (Float_t) (-gasgain*TMath::Log(rn)); | |
cc80f89e | 2202 | index[0]=1; |
2203 | ||
b584c7dd | 2204 | TransportElectron(xyz,index); |
73042f01 | 2205 | Int_t rowNumber; |
b584c7dd | 2206 | fTPCParam->GetPadRow(xyz,index); |
2207 | // row 0 - cross talk from the innermost row | |
2208 | // row fNRow+1 cross talk from the outermost row | |
2209 | rowNumber = index[2]+1; | |
cc80f89e | 2210 | //transform position to local digit coordinates |
2211 | //relative to nearest pad row | |
b584c7dd | 2212 | if ((rowNumber<0)||rowNumber>fTPCParam->GetNRow(isec)+1) continue; |
2213 | Float_t x1,y1; | |
f03e3423 | 2214 | if (isec <fTPCParam->GetNInnerSector()) { |
2215 | x1 = xyz[1]*fTPCParam->GetInnerPadPitchWidth(); | |
2216 | y1 = fTPCParam->GetYInner(rowNumber); | |
2217 | } | |
2218 | else{ | |
2219 | x1=xyz[1]*fTPCParam->GetOuterPadPitchWidth(); | |
2220 | y1 = fTPCParam->GetYOuter(rowNumber); | |
2221 | } | |
e8f678d7 | 2222 | // gain inefficiency at the wires edges - linear |
f03e3423 | 2223 | x1=TMath::Abs(x1); |
e8f678d7 | 2224 | y1-=1.; |
2225 | if(x1>y1) xyz[3]*=TMath::Max(1.e-6,(y1-x1+1.)); | |
2226 | ||
73042f01 | 2227 | nofElectrons[rowNumber]++; |
8c555625 | 2228 | //---------------------------------- |
2229 | // Expand vector if necessary | |
2230 | //---------------------------------- | |
73042f01 | 2231 | if(nofElectrons[rowNumber]>120){ |
2232 | Int_t range = tracks[rowNumber]->GetNrows(); | |
2233 | if((nofElectrons[rowNumber])>(range-1)/4){ | |
cc80f89e | 2234 | |
73042f01 | 2235 | tracks[rowNumber]->ResizeTo(range+400); // Add 100 electrons |
fe4da5cc | 2236 | } |
2237 | } | |
2238 | ||
de61d5d5 | 2239 | AliTPCFastVector &v = *tracks[rowNumber]; |
73042f01 | 2240 | Int_t idx = 4*nofElectrons[rowNumber]-3; |
de61d5d5 | 2241 | Real_t * position = &(((AliTPCFastVector&)v).UncheckedAt(idx)); //make code faster |
2242 | memcpy(position,xyz,4*sizeof(Float_t)); | |
2243 | ||
8c555625 | 2244 | } // end of loop over electrons |
39c8eb58 | 2245 | |
2246 | tpcHit = (AliTPChit*)NextHit(); | |
8c555625 | 2247 | |
2248 | } // end of loop over hits | |
2249 | } // end of loop over tracks | |
2250 | ||
2251 | // | |
2252 | // store remaining track (the last one) if not empty | |
2253 | // | |
2254 | ||
b584c7dd | 2255 | for(i=0;i<nrows+2;i++){ |
73042f01 | 2256 | if(nofElectrons[i]>0){ |
de61d5d5 | 2257 | AliTPCFastVector &v = *tracks[i]; |
8c555625 | 2258 | v(0) = previousTrack; |
73042f01 | 2259 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 2260 | row[i]->Add(tracks[i]); |
fe4da5cc | 2261 | } |
2262 | else{ | |
cc80f89e | 2263 | delete tracks[i]; |
2264 | tracks[i]=0; | |
8c555625 | 2265 | } |
2266 | } | |
2267 | ||
cc80f89e | 2268 | delete [] tracks; |
73042f01 | 2269 | delete [] nofElectrons; |
8c555625 | 2270 | |
8c555625 | 2271 | |
cc80f89e | 2272 | } // end of MakeSector |
8c555625 | 2273 | |
fe4da5cc | 2274 | |
2275 | //_____________________________________________________________________________ | |
2276 | void AliTPC::Init() | |
2277 | { | |
2278 | // | |
2279 | // Initialise TPC detector after definition of geometry | |
2280 | // | |
2281 | Int_t i; | |
2282 | // | |
9e1a0ddb | 2283 | if(fDebug) { |
2284 | printf("\n%s: ",ClassName()); | |
2285 | for(i=0;i<35;i++) printf("*"); | |
2286 | printf(" TPC_INIT "); | |
2287 | for(i=0;i<35;i++) printf("*"); | |
2288 | printf("\n%s: ",ClassName()); | |
2289 | // | |
2290 | for(i=0;i<80;i++) printf("*"); | |
2291 | printf("\n"); | |
2292 | } | |
fe4da5cc | 2293 | } |
2294 | ||
2295 | //_____________________________________________________________________________ | |
88cb7938 | 2296 | void AliTPC::MakeBranch(Option_t* option) |
fe4da5cc | 2297 | { |
2298 | // | |
2299 | // Create Tree branches for the TPC. | |
2300 | // | |
88cb7938 | 2301 | if(GetDebug()) Info("MakeBranch",""); |
fe4da5cc | 2302 | Int_t buffersize = 4000; |
2303 | char branchname[10]; | |
2304 | sprintf(branchname,"%s",GetName()); | |
88cb7938 | 2305 | |
2306 | const char *h = strstr(option,"H"); | |
fe4da5cc | 2307 | |
88cb7938 | 2308 | if ( h && (fHitType<=1) && (fHits == 0x0)) fHits = new TClonesArray("AliTPChit", 176);//skowron 20.06.03 |
2309 | ||
2310 | AliDetector::MakeBranch(option); | |
fe4da5cc | 2311 | |
5cf7bbad | 2312 | const char *d = strstr(option,"D"); |
88cb7938 | 2313 | |
2314 | if (fDigits && fLoader->TreeD() && d) | |
2315 | { | |
2316 | MakeBranchInTree(gAlice->TreeD(), branchname, &fDigits, buffersize, 0); | |
2317 | } | |
fe4da5cc | 2318 | |
88cb7938 | 2319 | if (fHitType>1) MakeBranch2(option,0); // MI change 14.09.2000 |
fe4da5cc | 2320 | } |
2321 | ||
2322 | //_____________________________________________________________________________ | |
2323 | void AliTPC::ResetDigits() | |
2324 | { | |
2325 | // | |
2326 | // Reset number of digits and the digits array for this detector | |
fe4da5cc | 2327 | // |
2328 | fNdigits = 0; | |
cc80f89e | 2329 | if (fDigits) fDigits->Clear(); |
fe4da5cc | 2330 | } |
2331 | ||
2332 | //_____________________________________________________________________________ | |
2333 | void AliTPC::SetSecAL(Int_t sec) | |
2334 | { | |
8c555625 | 2335 | //--------------------------------------------------- |
fe4da5cc | 2336 | // Activate/deactivate selection for lower sectors |
8c555625 | 2337 | //--------------------------------------------------- |
2338 | ||
2339 | //----------------------------------------------------------------- | |
2340 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2341 | //----------------------------------------------------------------- | |
fe4da5cc | 2342 | fSecAL = sec; |
2343 | } | |
2344 | ||
2345 | //_____________________________________________________________________________ | |
2346 | void AliTPC::SetSecAU(Int_t sec) | |
2347 | { | |
8c555625 | 2348 | //---------------------------------------------------- |
fe4da5cc | 2349 | // Activate/deactivate selection for upper sectors |
8c555625 | 2350 | //--------------------------------------------------- |
2351 | ||
2352 | //----------------------------------------------------------------- | |
2353 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2354 | //----------------------------------------------------------------- | |
fe4da5cc | 2355 | fSecAU = sec; |
2356 | } | |
2357 | ||
2358 | //_____________________________________________________________________________ | |
2359 | void AliTPC::SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6) | |
2360 | { | |
8c555625 | 2361 | //---------------------------------------- |
fe4da5cc | 2362 | // Select active lower sectors |
8c555625 | 2363 | //---------------------------------------- |
2364 | ||
2365 | //----------------------------------------------------------------- | |
2366 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2367 | //----------------------------------------------------------------- | |
2368 | ||
fe4da5cc | 2369 | fSecLows[0] = s1; |
2370 | fSecLows[1] = s2; | |
2371 | fSecLows[2] = s3; | |
2372 | fSecLows[3] = s4; | |
2373 | fSecLows[4] = s5; | |
2374 | fSecLows[5] = s6; | |
2375 | } | |
2376 | ||
2377 | //_____________________________________________________________________________ | |
2378 | void AliTPC::SetSecUps(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6, | |
2379 | Int_t s7, Int_t s8 ,Int_t s9 ,Int_t s10, | |
2380 | Int_t s11 , Int_t s12) | |
2381 | { | |
8c555625 | 2382 | //-------------------------------- |
fe4da5cc | 2383 | // Select active upper sectors |
8c555625 | 2384 | //-------------------------------- |
2385 | ||
2386 | //----------------------------------------------------------------- | |
2387 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2388 | //----------------------------------------------------------------- | |
2389 | ||
fe4da5cc | 2390 | fSecUps[0] = s1; |
2391 | fSecUps[1] = s2; | |
2392 | fSecUps[2] = s3; | |
2393 | fSecUps[3] = s4; | |
2394 | fSecUps[4] = s5; | |
2395 | fSecUps[5] = s6; | |
2396 | fSecUps[6] = s7; | |
2397 | fSecUps[7] = s8; | |
2398 | fSecUps[8] = s9; | |
2399 | fSecUps[9] = s10; | |
2400 | fSecUps[10] = s11; | |
2401 | fSecUps[11] = s12; | |
2402 | } | |
2403 | ||
2404 | //_____________________________________________________________________________ | |
2405 | void AliTPC::SetSens(Int_t sens) | |
2406 | { | |
8c555625 | 2407 | |
2408 | //------------------------------------------------------------- | |
2409 | // Activates/deactivates the sensitive strips at the center of | |
2410 | // the pad row -- this is for the space-point resolution calculations | |
2411 | //------------------------------------------------------------- | |
2412 | ||
2413 | //----------------------------------------------------------------- | |
2414 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2415 | //----------------------------------------------------------------- | |
2416 | ||
fe4da5cc | 2417 | fSens = sens; |
2418 | } | |
2b06d5c3 | 2419 | |
4b0fdcad | 2420 | |
73042f01 | 2421 | void AliTPC::SetSide(Float_t side=0.) |
4b0fdcad | 2422 | { |
73042f01 | 2423 | // choice of the TPC side |
2424 | ||
4b0fdcad | 2425 | fSide = side; |
2426 | ||
2427 | } | |
1283eee5 | 2428 | //____________________________________________________________________________ |
2429 | void AliTPC::SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1, | |
2430 | Float_t p2,Float_t p3) | |
2431 | { | |
fe4da5cc | 2432 | |
73042f01 | 2433 | // gax mixture definition |
2434 | ||
1283eee5 | 2435 | fNoComp = nc; |
2436 | ||
2437 | fMixtComp[0]=c1; | |
2438 | fMixtComp[1]=c2; | |
2439 | fMixtComp[2]=c3; | |
2440 | ||
2441 | fMixtProp[0]=p1; | |
2442 | fMixtProp[1]=p2; | |
2443 | fMixtProp[2]=p3; | |
2444 | ||
2445 | ||
cc80f89e | 2446 | } |
2447 | //_____________________________________________________________________________ | |
2448 | ||
2449 | void AliTPC::TransportElectron(Float_t *xyz, Int_t *index) | |
2450 | { | |
2451 | // | |
2452 | // electron transport taking into account: | |
2453 | // 1. diffusion, | |
2454 | // 2.ExB at the wires | |
2455 | // 3. nonisochronity | |
2456 | // | |
2457 | // xyz and index must be already transformed to system 1 | |
2458 | // | |
2459 | ||
2460 | fTPCParam->Transform1to2(xyz,index); | |
2461 | ||
2462 | //add diffusion | |
2463 | Float_t driftl=xyz[2]; | |
2464 | if(driftl<0.01) driftl=0.01; | |
2465 | driftl=TMath::Sqrt(driftl); | |
73042f01 | 2466 | Float_t sigT = driftl*(fTPCParam->GetDiffT()); |
2467 | Float_t sigL = driftl*(fTPCParam->GetDiffL()); | |
2468 | xyz[0]=gRandom->Gaus(xyz[0],sigT); | |
2469 | xyz[1]=gRandom->Gaus(xyz[1],sigT); | |
2470 | xyz[2]=gRandom->Gaus(xyz[2],sigL); | |
cc80f89e | 2471 | |
2472 | // ExB | |
2473 | ||
2474 | if (fTPCParam->GetMWPCReadout()==kTRUE){ | |
b584c7dd | 2475 | Float_t dx = fTPCParam->Transform2to2NearestWire(xyz,index); |
cc80f89e | 2476 | xyz[1]+=dx*(fTPCParam->GetOmegaTau()); |
2477 | } | |
b584c7dd | 2478 | //add nonisochronity (not implemented yet) |
1283eee5 | 2479 | } |
fe4da5cc | 2480 | |
fe4da5cc | 2481 | ClassImp(AliTPCdigit) |
2482 | ||
2483 | //_____________________________________________________________________________ | |
2484 | AliTPCdigit::AliTPCdigit(Int_t *tracks, Int_t *digits): | |
2485 | AliDigit(tracks) | |
2486 | { | |
2487 | // | |
2488 | // Creates a TPC digit object | |
2489 | // | |
2490 | fSector = digits[0]; | |
2491 | fPadRow = digits[1]; | |
2492 | fPad = digits[2]; | |
2493 | fTime = digits[3]; | |
2494 | fSignal = digits[4]; | |
2495 | } | |
2496 | ||
2497 | ||
2498 | ClassImp(AliTPChit) | |
2499 | ||
2500 | //_____________________________________________________________________________ | |
2501 | AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): | |
2502 | AliHit(shunt,track) | |
2503 | { | |
2504 | // | |
2505 | // Creates a TPC hit object | |
2506 | // | |
2507 | fSector = vol[0]; | |
2508 | fPadRow = vol[1]; | |
2509 | fX = hits[0]; | |
2510 | fY = hits[1]; | |
2511 | fZ = hits[2]; | |
2512 | fQ = hits[3]; | |
2513 | } | |
2514 | ||
39c8eb58 | 2515 | //________________________________________________________________________ |
792bb11c | 2516 | // Additional code because of the AliTPCTrackHitsV2 |
39c8eb58 | 2517 | |
176aff27 | 2518 | void AliTPC::MakeBranch2(Option_t *option,const char */*file*/) |
39c8eb58 | 2519 | { |
2520 | // | |
2521 | // Create a new branch in the current Root Tree | |
2522 | // The branch of fHits is automatically split | |
2523 | // MI change 14.09.2000 | |
88cb7938 | 2524 | if(GetDebug()) Info("MakeBranch2",""); |
792bb11c | 2525 | if (fHitType<2) return; |
39c8eb58 | 2526 | char branchname[10]; |
2527 | sprintf(branchname,"%s2",GetName()); | |
2528 | // | |
2529 | // Get the pointer to the header | |
5cf7bbad | 2530 | const char *cH = strstr(option,"H"); |
39c8eb58 | 2531 | // |
88cb7938 | 2532 | if (fTrackHits && TreeH() && cH && fHitType&4) |
2533 | { | |
2534 | if(GetDebug()) Info("MakeBranch2","Making branch for Type 4 Hits"); | |
2535 | TreeH()->Branch(branchname,"AliTPCTrackHitsV2",&fTrackHits,fBufferSize,99); | |
2536 | } | |
792bb11c | 2537 | |
88cb7938 | 2538 | if (fTrackHitsOld && TreeH() && cH && fHitType&2) |
2539 | { | |
2540 | if(GetDebug()) Info("MakeBranch2","Making branch for Type 2 Hits"); | |
792bb11c | 2541 | AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHits",&fTrackHitsOld, |
88cb7938 | 2542 | TreeH(),fBufferSize,99); |
2543 | TreeH()->GetListOfBranches()->Add(branch); | |
2544 | } | |
39c8eb58 | 2545 | } |
2546 | ||
2547 | void AliTPC::SetTreeAddress() | |
2548 | { | |
88cb7938 | 2549 | //Sets tree address for hits |
2550 | if (fHitType<=1) | |
2551 | { | |
2552 | if (fHits == 0x0 ) fHits = new TClonesArray("AliTPChit", 176);//skowron 20.06.03 | |
2553 | AliDetector::SetTreeAddress(); | |
2554 | } | |
792bb11c | 2555 | if (fHitType>1) SetTreeAddress2(); |
39c8eb58 | 2556 | } |
2557 | ||
2558 | void AliTPC::SetTreeAddress2() | |
2559 | { | |
2560 | // | |
2561 | // Set branch address for the TrackHits Tree | |
2562 | // | |
88cb7938 | 2563 | if(GetDebug()) Info("SetTreeAddress2",""); |
2564 | ||
39c8eb58 | 2565 | TBranch *branch; |
2566 | char branchname[20]; | |
2567 | sprintf(branchname,"%s2",GetName()); | |
2568 | // | |
2569 | // Branch address for hit tree | |
88cb7938 | 2570 | TTree *treeH = TreeH(); |
792bb11c | 2571 | if ((treeH)&&(fHitType&4)) { |
39c8eb58 | 2572 | branch = treeH->GetBranch(branchname); |
88cb7938 | 2573 | if (branch) |
2574 | { | |
2575 | branch->SetAddress(&fTrackHits); | |
f2a509af | 2576 | if (GetDebug()) Info("SetTreeAddress2","fHitType&4 Setting"); |
88cb7938 | 2577 | } |
f2a509af | 2578 | else |
2579 | if (GetDebug()) Info("SetTreeAddress2","fHitType&4 Failed (can not find branch)"); | |
2580 | ||
39c8eb58 | 2581 | } |
792bb11c | 2582 | if ((treeH)&&(fHitType&2)) { |
2583 | branch = treeH->GetBranch(branchname); | |
88cb7938 | 2584 | if (branch) |
2585 | { | |
2586 | branch->SetAddress(&fTrackHitsOld); | |
f2a509af | 2587 | if (GetDebug()) Info("SetTreeAddress2","fHitType&2 Setting"); |
88cb7938 | 2588 | } |
f2a509af | 2589 | else if (GetDebug()) |
2590 | Info("SetTreeAddress2","fHitType&2 Failed (can not find branch)"); | |
792bb11c | 2591 | } |
b6e0d3fe | 2592 | //set address to TREETR |
88cb7938 | 2593 | |
2594 | TTree *treeTR = TreeTR(); | |
b6e0d3fe | 2595 | if (treeTR && fTrackReferences) { |
2596 | branch = treeTR->GetBranch(GetName()); | |
2597 | if (branch) branch->SetAddress(&fTrackReferences); | |
2598 | } | |
2599 | ||
39c8eb58 | 2600 | } |
2601 | ||
2602 | void AliTPC::FinishPrimary() | |
2603 | { | |
792bb11c | 2604 | if (fTrackHits &&fHitType&4) fTrackHits->FlushHitStack(); |
2605 | if (fTrackHitsOld && fHitType&2) fTrackHitsOld->FlushHitStack(); | |
39c8eb58 | 2606 | } |
2607 | ||
2608 | ||
2609 | void AliTPC::AddHit2(Int_t track, Int_t *vol, Float_t *hits) | |
2610 | { | |
2611 | // | |
2612 | // add hit to the list | |
39c8eb58 | 2613 | Int_t rtrack; |
2614 | if (fIshunt) { | |
5d12ce38 | 2615 | int primary = gAlice->GetMCApp()->GetPrimary(track); |
2616 | gAlice->GetMCApp()->Particle(primary)->SetBit(kKeepBit); | |
39c8eb58 | 2617 | rtrack=primary; |
2618 | } else { | |
2619 | rtrack=track; | |
5d12ce38 | 2620 | gAlice->GetMCApp()->FlagTrack(track); |
39c8eb58 | 2621 | } |
2622 | //AliTPChit *hit = (AliTPChit*)fHits->UncheckedAt(fNhits-1); | |
2623 | //if (hit->fTrack!=rtrack) | |
2624 | // cout<<"bad track number\n"; | |
792bb11c | 2625 | if (fTrackHits && fHitType&4) |
39c8eb58 | 2626 | fTrackHits->AddHitKartez(vol[0],rtrack, hits[0], |
88cb7938 | 2627 | hits[1],hits[2],(Int_t)hits[3]); |
792bb11c | 2628 | if (fTrackHitsOld &&fHitType&2 ) |
2629 | fTrackHitsOld->AddHitKartez(vol[0],rtrack, hits[0], | |
88cb7938 | 2630 | hits[1],hits[2],(Int_t)hits[3]); |
792bb11c | 2631 | |
39c8eb58 | 2632 | } |
2633 | ||
2634 | void AliTPC::ResetHits() | |
88cb7938 | 2635 | { |
39c8eb58 | 2636 | if (fHitType&1) AliDetector::ResetHits(); |
792bb11c | 2637 | if (fHitType>1) ResetHits2(); |
39c8eb58 | 2638 | } |
2639 | ||
2640 | void AliTPC::ResetHits2() | |
2641 | { | |
2642 | // | |
2643 | //reset hits | |
792bb11c | 2644 | if (fTrackHits && fHitType&4) fTrackHits->Clear(); |
2645 | if (fTrackHitsOld && fHitType&2) fTrackHitsOld->Clear(); | |
2646 | ||
39c8eb58 | 2647 | } |
2648 | ||
2649 | AliHit* AliTPC::FirstHit(Int_t track) | |
2650 | { | |
792bb11c | 2651 | if (fHitType>1) return FirstHit2(track); |
39c8eb58 | 2652 | return AliDetector::FirstHit(track); |
2653 | } | |
2654 | AliHit* AliTPC::NextHit() | |
2655 | { | |
9bdd974b | 2656 | // |
2657 | // gets next hit | |
2658 | // | |
792bb11c | 2659 | if (fHitType>1) return NextHit2(); |
2660 | ||
39c8eb58 | 2661 | return AliDetector::NextHit(); |
2662 | } | |
2663 | ||
2664 | AliHit* AliTPC::FirstHit2(Int_t track) | |
2665 | { | |
2666 | // | |
2667 | // Initialise the hit iterator | |
2668 | // Return the address of the first hit for track | |
2669 | // If track>=0 the track is read from disk | |
2670 | // while if track<0 the first hit of the current | |
2671 | // track is returned | |
2672 | // | |
2673 | if(track>=0) { | |
2674 | gAlice->ResetHits(); | |
88cb7938 | 2675 | TreeH()->GetEvent(track); |
39c8eb58 | 2676 | } |
2677 | // | |
792bb11c | 2678 | if (fTrackHits && fHitType&4) { |
39c8eb58 | 2679 | fTrackHits->First(); |
2680 | return fTrackHits->GetHit(); | |
2681 | } | |
792bb11c | 2682 | if (fTrackHitsOld && fHitType&2) { |
2683 | fTrackHitsOld->First(); | |
2684 | return fTrackHitsOld->GetHit(); | |
2685 | } | |
2686 | ||
39c8eb58 | 2687 | else return 0; |
2688 | } | |
2689 | ||
2690 | AliHit* AliTPC::NextHit2() | |
2691 | { | |
2692 | // | |
2693 | //Return the next hit for the current track | |
2694 | ||
792bb11c | 2695 | |
2696 | if (fTrackHitsOld && fHitType&2) { | |
2697 | fTrackHitsOld->Next(); | |
2698 | return fTrackHitsOld->GetHit(); | |
2699 | } | |
39c8eb58 | 2700 | if (fTrackHits) { |
2701 | fTrackHits->Next(); | |
2702 | return fTrackHits->GetHit(); | |
2703 | } | |
2704 | else | |
2705 | return 0; | |
2706 | } | |
2707 | ||
2708 | void AliTPC::LoadPoints(Int_t) | |
2709 | { | |
2710 | // | |
2711 | Int_t a = 0; | |
f2e8b846 | 2712 | /* if(fHitType==1) return AliDetector::LoadPoints(a); |
39c8eb58 | 2713 | LoadPoints2(a); |
f2e8b846 | 2714 | */ |
2715 | if(fHitType==1) AliDetector::LoadPoints(a); | |
2716 | else LoadPoints2(a); | |
2717 | ||
39c8eb58 | 2718 | // LoadPoints3(a); |
2719 | ||
2720 | } | |
2721 | ||
2722 | ||
2723 | void AliTPC::RemapTrackHitIDs(Int_t *map) | |
2724 | { | |
9bdd974b | 2725 | // |
2726 | // remapping | |
2727 | // | |
39c8eb58 | 2728 | if (!fTrackHits) return; |
39c8eb58 | 2729 | |
792bb11c | 2730 | if (fTrackHitsOld && fHitType&2){ |
2731 | AliObjectArray * arr = fTrackHitsOld->fTrackHitsInfo; | |
2732 | for (UInt_t i=0;i<arr->GetSize();i++){ | |
2733 | AliTrackHitsInfo * info = (AliTrackHitsInfo *)(arr->At(i)); | |
2734 | info->fTrackID = map[info->fTrackID]; | |
2735 | } | |
2736 | } | |
2737 | if (fTrackHitsOld && fHitType&4){ | |
2738 | TClonesArray * arr = fTrackHits->GetArray();; | |
2739 | for (Int_t i=0;i<arr->GetEntriesFast();i++){ | |
2740 | AliTrackHitsParamV2 * info = (AliTrackHitsParamV2 *)(arr->At(i)); | |
2741 | info->fTrackID = map[info->fTrackID]; | |
2742 | } | |
2743 | } | |
39c8eb58 | 2744 | } |
2745 | ||
792bb11c | 2746 | Bool_t AliTPC::TrackInVolume(Int_t id,Int_t track) |
2747 | { | |
2748 | //return bool information - is track in given volume | |
2749 | //load only part of the track information | |
2750 | //return true if current track is in volume | |
2751 | // | |
2752 | // return kTRUE; | |
2753 | if (fTrackHitsOld && fHitType&2) { | |
88cb7938 | 2754 | TBranch * br = TreeH()->GetBranch("fTrackHitsInfo"); |
792bb11c | 2755 | br->GetEvent(track); |
2756 | AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo; | |
2757 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
2758 | if ( ((AliTrackHitsInfo*)ar->At(j))->fVolumeID==id) return kTRUE; | |
2759 | } | |
2760 | } | |
2761 | ||
2762 | if (fTrackHits && fHitType&4) { | |
88cb7938 | 2763 | TBranch * br1 = TreeH()->GetBranch("fVolumes"); |
2764 | TBranch * br2 = TreeH()->GetBranch("fNVolumes"); | |
792bb11c | 2765 | br2->GetEvent(track); |
2766 | br1->GetEvent(track); | |
2767 | Int_t *volumes = fTrackHits->GetVolumes(); | |
2768 | Int_t nvolumes = fTrackHits->GetNVolumes(); | |
2769 | if (!volumes && nvolumes>0) { | |
2770 | printf("Problematic track\t%d\t%d",track,nvolumes); | |
2771 | return kFALSE; | |
2772 | } | |
2773 | for (Int_t j=0;j<nvolumes; j++) | |
2774 | if (volumes[j]==id) return kTRUE; | |
2775 | } | |
2776 | ||
2777 | if (fHitType&1) { | |
88cb7938 | 2778 | TBranch * br = TreeH()->GetBranch("fSector"); |
792bb11c | 2779 | br->GetEvent(track); |
2780 | for (Int_t j=0;j<fHits->GetEntriesFast();j++){ | |
2781 | if ( ((AliTPChit*)fHits->At(j))->fSector==id) return kTRUE; | |
2782 | } | |
2783 | } | |
2784 | return kFALSE; | |
2785 | ||
2786 | } | |
39c8eb58 | 2787 | |
2788 | //_____________________________________________________________________________ | |
2789 | void AliTPC::LoadPoints2(Int_t) | |
2790 | { | |
2791 | // | |
2792 | // Store x, y, z of all hits in memory | |
2793 | // | |
792bb11c | 2794 | if (fTrackHits == 0 && fTrackHitsOld==0) return; |
39c8eb58 | 2795 | // |
792bb11c | 2796 | Int_t nhits =0; |
2797 | if (fHitType&4) nhits = fTrackHits->GetEntriesFast(); | |
2798 | if (fHitType&2) nhits = fTrackHitsOld->GetEntriesFast(); | |
2799 | ||
39c8eb58 | 2800 | if (nhits == 0) return; |
5d12ce38 | 2801 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
39c8eb58 | 2802 | if (fPoints == 0) fPoints = new TObjArray(tracks); |
2803 | AliHit *ahit; | |
2804 | // | |
2805 | Int_t *ntrk=new Int_t[tracks]; | |
2806 | Int_t *limi=new Int_t[tracks]; | |
2807 | Float_t **coor=new Float_t*[tracks]; | |
2808 | for(Int_t i=0;i<tracks;i++) { | |
2809 | ntrk[i]=0; | |
2810 | coor[i]=0; | |
2811 | limi[i]=0; | |
2812 | } | |
2813 | // | |
2814 | AliPoints *points = 0; | |
2815 | Float_t *fp=0; | |
2816 | Int_t trk; | |
2817 | Int_t chunk=nhits/4+1; | |
2818 | // | |
2819 | // Loop over all the hits and store their position | |
2820 | // | |
2821 | ahit = FirstHit2(-1); | |
39c8eb58 | 2822 | while (ahit){ |
39c8eb58 | 2823 | trk=ahit->GetTrack(); |
2824 | if(ntrk[trk]==limi[trk]) { | |
2825 | // | |
2826 | // Initialise a new track | |
2827 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2828 | if(coor[trk]) { | |
2829 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2830 | delete [] coor[trk]; | |
2831 | } | |
2832 | limi[trk]+=chunk; | |
2833 | coor[trk] = fp; | |
2834 | } else { | |
2835 | fp = coor[trk]; | |
2836 | } | |
2837 | fp[3*ntrk[trk] ] = ahit->X(); | |
2838 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2839 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2840 | ntrk[trk]++; | |
2841 | ahit = NextHit2(); | |
2842 | } | |
792bb11c | 2843 | |
2844 | ||
2845 | ||
39c8eb58 | 2846 | // |
2847 | for(trk=0; trk<tracks; ++trk) { | |
2848 | if(ntrk[trk]) { | |
2849 | points = new AliPoints(); | |
2850 | points->SetMarkerColor(GetMarkerColor()); | |
2851 | points->SetMarkerSize(GetMarkerSize()); | |
2852 | points->SetDetector(this); | |
2853 | points->SetParticle(trk); | |
2854 | points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()); | |
2855 | fPoints->AddAt(points,trk); | |
2856 | delete [] coor[trk]; | |
2857 | coor[trk]=0; | |
2858 | } | |
2859 | } | |
2860 | delete [] coor; | |
2861 | delete [] ntrk; | |
2862 | delete [] limi; | |
2863 | } | |
2864 | ||
2865 | ||
2866 | //_____________________________________________________________________________ | |
2867 | void AliTPC::LoadPoints3(Int_t) | |
2868 | { | |
2869 | // | |
2870 | // Store x, y, z of all hits in memory | |
2871 | // - only intersection point with pad row | |
2872 | if (fTrackHits == 0) return; | |
2873 | // | |
2874 | Int_t nhits = fTrackHits->GetEntriesFast(); | |
2875 | if (nhits == 0) return; | |
5d12ce38 | 2876 | Int_t tracks = gAlice->GetMCApp()->GetNtrack(); |
39c8eb58 | 2877 | if (fPoints == 0) fPoints = new TObjArray(2*tracks); |
2878 | fPoints->Expand(2*tracks); | |
2879 | AliHit *ahit; | |
2880 | // | |
2881 | Int_t *ntrk=new Int_t[tracks]; | |
2882 | Int_t *limi=new Int_t[tracks]; | |
2883 | Float_t **coor=new Float_t*[tracks]; | |
2884 | for(Int_t i=0;i<tracks;i++) { | |
2885 | ntrk[i]=0; | |
2886 | coor[i]=0; | |
2887 | limi[i]=0; | |
2888 | } | |
2889 | // | |
2890 | AliPoints *points = 0; | |
2891 | Float_t *fp=0; | |
2892 | Int_t trk; | |
2893 | Int_t chunk=nhits/4+1; | |
2894 | // | |
2895 | // Loop over all the hits and store their position | |
2896 | // | |
2897 | ahit = FirstHit2(-1); | |
2898 | //for (Int_t hit=0;hit<nhits;hit++) { | |
2899 | ||
2900 | Int_t lastrow = -1; | |
2901 | while (ahit){ | |
2902 | // ahit = (AliHit*)fHits->UncheckedAt(hit); | |
2903 | trk=ahit->GetTrack(); | |
2904 | Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()}; | |
2905 | Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0}; | |
2906 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
2907 | if (currentrow!=lastrow){ | |
2908 | lastrow = currentrow; | |
2909 | //later calculate intersection point | |
2910 | if(ntrk[trk]==limi[trk]) { | |
2911 | // | |
2912 | // Initialise a new track | |
2913 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2914 | if(coor[trk]) { | |
2915 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2916 | delete [] coor[trk]; | |
2917 | } | |
2918 | limi[trk]+=chunk; | |
2919 | coor[trk] = fp; | |
2920 | } else { | |
2921 | fp = coor[trk]; | |
2922 | } | |
2923 | fp[3*ntrk[trk] ] = ahit->X(); | |
2924 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2925 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2926 | ntrk[trk]++; | |
2927 | } | |
2928 | ahit = NextHit2(); | |
2929 | } | |
2930 | ||
2931 | // | |
2932 | for(trk=0; trk<tracks; ++trk) { | |
2933 | if(ntrk[trk]) { | |
2934 | points = new AliPoints(); | |
2935 | points->SetMarkerColor(GetMarkerColor()+1); | |
2936 | points->SetMarkerStyle(5); | |
2937 | points->SetMarkerSize(0.2); | |
2938 | points->SetDetector(this); | |
2939 | points->SetParticle(trk); | |
2940 | // points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()20); | |
2941 | points->SetPolyMarker(ntrk[trk],coor[trk],30); | |
2942 | fPoints->AddAt(points,tracks+trk); | |
2943 | delete [] coor[trk]; | |
2944 | coor[trk]=0; | |
2945 | } | |
2946 | } | |
2947 | delete [] coor; | |
2948 | delete [] ntrk; | |
2949 | delete [] limi; | |
2950 | } | |
2951 | ||
2952 | ||
2953 | ||
176aff27 | 2954 | void AliTPC::FindTrackHitsIntersection(TClonesArray * /*arr*/) |
39c8eb58 | 2955 | { |
2956 | ||
2957 | // | |
2958 | //fill clones array with intersection of current point with the | |
2959 | //middle of the row | |
2960 | Int_t sector; | |
2961 | Int_t ipart; | |
2962 | ||
2963 | const Int_t kcmaxhits=30000; | |
de61d5d5 | 2964 | AliTPCFastVector * xxxx = new AliTPCFastVector(kcmaxhits*4); |
2965 | AliTPCFastVector & xxx = *xxxx; | |
39c8eb58 | 2966 | Int_t maxhits = kcmaxhits; |
2967 | ||
2968 | // | |
2969 | AliTPChit * tpcHit=0; | |
2970 | tpcHit = (AliTPChit*)FirstHit2(-1); | |
2971 | Int_t currentIndex=0; | |
2972 | Int_t lastrow=-1; //last writen row | |
2973 | ||
2974 | while (tpcHit){ | |
2975 | if (tpcHit==0) continue; | |
2976 | sector=tpcHit->fSector; // sector number | |
2977 | ipart=tpcHit->Track(); | |
2978 | ||
2979 | //find row number | |
2980 | ||
2981 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; | |
2982 | Int_t index[3]={1,sector,0}; | |
2983 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
2984 | if (currentrow<0) continue; | |
2985 | if (lastrow<0) lastrow=currentrow; | |
2986 | if (currentrow==lastrow){ | |
2987 | if ( currentIndex>=maxhits){ | |
2988 | maxhits+=kcmaxhits; | |
2989 | xxx.ResizeTo(4*maxhits); | |
2990 | } | |
2991 | xxx(currentIndex*4)=x[0]; | |
2992 | xxx(currentIndex*4+1)=x[1]; | |
2993 | xxx(currentIndex*4+2)=x[2]; | |
2994 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
2995 | currentIndex++; | |
2996 | } | |
2997 | else | |
2998 | if (currentIndex>2){ | |
2999 | Float_t sumx=0; | |
3000 | Float_t sumx2=0; | |
3001 | Float_t sumx3=0; | |
3002 | Float_t sumx4=0; | |
3003 | Float_t sumy=0; | |
3004 | Float_t sumxy=0; | |
3005 | Float_t sumx2y=0; | |
3006 | Float_t sumz=0; | |
3007 | Float_t sumxz=0; | |
3008 | Float_t sumx2z=0; | |
3009 | Float_t sumq=0; | |
3010 | for (Int_t index=0;index<currentIndex;index++){ | |
3011 | Float_t x,x2,x3,x4; | |
3012 | x=x2=x3=x4=xxx(index*4); | |
3013 | x2*=x; | |
3014 | x3*=x2; | |
3015 | x4*=x3; | |
3016 | sumx+=x; | |
3017 | sumx2+=x2; | |
3018 | sumx3+=x3; | |
3019 | sumx4+=x4; | |
3020 | sumy+=xxx(index*4+1); | |
3021 | sumxy+=xxx(index*4+1)*x; | |
3022 | sumx2y+=xxx(index*4+1)*x2; | |
3023 | sumz+=xxx(index*4+2); | |
3024 | sumxz+=xxx(index*4+2)*x; | |
3025 | sumx2z+=xxx(index*4+2)*x2; | |
3026 | sumq+=xxx(index*4+3); | |
3027 | } | |
3028 | Float_t centralPad = (fTPCParam->GetNPads(sector,lastrow)-1)/2; | |
3029 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ | |
3030 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
3031 | ||
3032 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
3033 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
3034 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
3035 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
3036 | ||
3037 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
3038 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
3039 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
3040 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
3041 | ||
3042 | Float_t y=detay/det+centralPad; | |
3043 | Float_t z=detaz/det; | |
3044 | Float_t by=detby/det; //y angle | |
3045 | Float_t bz=detbz/det; //z angle | |
3046 | sumy/=Float_t(currentIndex); | |
3047 | sumz/=Float_t(currentIndex); | |
3048 | ||
3049 | AliComplexCluster cl; | |
3050 | cl.fX=z; | |
3051 | cl.fY=y; | |
3052 | cl.fQ=sumq; | |
3053 | cl.fSigmaX2=bz; | |
3054 | cl.fSigmaY2=by; | |
3055 | cl.fTracks[0]=ipart; | |
3056 | ||
3057 | AliTPCClustersRow * row = (fClustersArray->GetRow(sector,lastrow)); | |
3058 | if (row!=0) row->InsertCluster(&cl); | |
3059 | currentIndex=0; | |
3060 | lastrow=currentrow; | |
3061 | } //end of calculating cluster for given row | |
3062 | ||
3063 | } // end of loop over hits | |
3064 | xxxx->Delete(); | |
39c8eb58 | 3065 | |
3066 | } | |
afc42102 | 3067 | //_______________________________________________________________________________ |
a62d28a2 | 3068 | void AliTPC::Digits2Reco(Int_t firstevent,Int_t lastevent) |
afc42102 | 3069 | { |
a62d28a2 | 3070 | // produces rec points from digits and writes them on the root file |
3071 | // AliTPCclusters.root | |
3072 | ||
3073 | TDirectory *cwd = gDirectory; | |
3074 | ||
3075 | ||
7a09f434 | 3076 | AliTPCParamSR *dig=(AliTPCParamSR *)gDirectory->Get("75x40_100x60"); |
3077 | if(dig){ | |
3078 | printf("You are running 2 pad-length geom hits with 3 pad-length geom digits\n"); | |
3079 | delete dig; | |
3080 | dig = new AliTPCParamSR(); | |
3081 | } | |
3082 | else | |
3083 | { | |
3084 | dig=(AliTPCParamSR *)gDirectory->Get("75x40_100x60_150x60"); | |
3085 | } | |
3086 | if(!dig){ | |
3087 | printf("No TPC parameters found\n"); | |
3088 | exit(3); | |
3089 | } | |
3090 | ||
a62d28a2 | 3091 | SetParam(dig); |
3092 | cout<<"AliTPC::Digits2Reco: TPC parameteres have been set"<<endl; | |
3093 | TFile *out; | |
3094 | if(!gSystem->Getenv("CONFIG_FILE")){ | |
3095 | out=TFile::Open("AliTPCclusters.root","recreate"); | |
3096 | } | |
3097 | else { | |
3098 | const char *tmp1; | |
3099 | const char *tmp2; | |
3100 | char tmp3[80]; | |
3101 | tmp1=gSystem->Getenv("CONFIG_FILE_PREFIX"); | |
3102 | tmp2=gSystem->Getenv("CONFIG_OUTDIR"); | |
3103 | sprintf(tmp3,"%s%s/AliTPCclusters.root",tmp1,tmp2); | |
3104 | out=TFile::Open(tmp3,"recreate"); | |
3105 | } | |
3106 | ||
3107 | TStopwatch timer; | |
3108 | cout<<"AliTPC::Digits2Reco - determination of rec points begins"<<endl; | |
3109 | timer.Start(); | |
3110 | cwd->cd(); | |
3111 | for(Int_t iev=firstevent;iev<lastevent+1;iev++){ | |
3112 | ||
3113 | printf("Processing event %d\n",iev); | |
88cb7938 | 3114 | Digits2Clusters(iev); |
a62d28a2 | 3115 | } |
3116 | cout<<"AliTPC::Digits2Reco - determination of rec points ended"<<endl; | |
3117 | timer.Stop(); | |
3118 | timer.Print(); | |
3119 | out->Close(); | |
3120 | cwd->cd(); | |
3121 | ||
3122 | ||
afc42102 | 3123 | } |
42157e55 | 3124 | |
88cb7938 | 3125 | AliLoader* AliTPC::MakeLoader(const char* topfoldername) |
3126 | { | |
f2a509af | 3127 | //Makes TPC loader |
88cb7938 | 3128 | fLoader = new AliTPCLoader(GetName(),topfoldername); |
88cb7938 | 3129 | return fLoader; |
3130 | } | |
3131 | ||
42157e55 | 3132 | //////////////////////////////////////////////////////////////////////// |
3133 | AliTPCParam* AliTPC::LoadTPCParam(TFile *file) { | |
3134 | // | |
3135 | // load TPC paarmeters from a given file or create new if the object | |
3136 | // is not found there | |
88cb7938 | 3137 | // 12/05/2003 This method should be moved to the AliTPCLoader |
3138 | // and one has to decide where to store the TPC parameters | |
3139 | // M.Kowalski | |
42157e55 | 3140 | char paramName[50]; |
3141 | sprintf(paramName,"75x40_100x60_150x60"); | |
3142 | AliTPCParam *paramTPC=(AliTPCParam*)file->Get(paramName); | |
3143 | if (paramTPC) { | |
3144 | cout<<"TPC parameters "<<paramName<<" found."<<endl; | |
3145 | } else { | |
3146 | cerr<<"TPC parameters not found. Create new (they may be incorrect)." | |
3147 | <<endl; | |
3148 | paramTPC = new AliTPCParamSR; | |
3149 | } | |
3150 | return paramTPC; | |
3151 | ||
3152 | // the older version of parameters can be accessed with this code. | |
3153 | // In some cases, we have old parameters saved in the file but | |
3154 | // digits were created with new parameters, it can be distinguish | |
3155 | // by the name of TPC TreeD. The code here is just for the case | |
3156 | // we would need to compare with old data, uncomment it if needed. | |
3157 | // | |
3158 | // char paramName[50]; | |
3159 | // sprintf(paramName,"75x40_100x60"); | |
3160 | // AliTPCParam *paramTPC=(AliTPCParam*)in->Get(paramName); | |
3161 | // if (paramTPC) { | |
3162 | // cout<<"TPC parameters "<<paramName<<" found."<<endl; | |
3163 | // } else { | |
3164 | // sprintf(paramName,"75x40_100x60_150x60"); | |
3165 | // paramTPC=(AliTPCParam*)in->Get(paramName); | |
3166 | // if (paramTPC) { | |
3167 | // cout<<"TPC parameters "<<paramName<<" found."<<endl; | |
3168 | // } else { | |
3169 | // cerr<<"TPC parameters not found. Create new (they may be incorrect)." | |
3170 | // <<endl; | |
3171 | // paramTPC = new AliTPCParamSR; | |
3172 | // } | |
3173 | // } | |
3174 | // return paramTPC; | |
3175 | ||
3176 | } | |
3177 | ||
85a5290f | 3178 | |
3179 | //____________________________________________________________________________ | |
7138dcae | 3180 | Double_t SigmaY2(Double_t r, Double_t tgl, Double_t pt) |
3181 | { | |
3182 | // | |
85a5290f | 3183 | // Parametrised error of the cluster reconstruction (pad direction) |
7138dcae | 3184 | // |
3185 | // Sigma rphi | |
3186 | const Float_t kArphi=0.41818e-2; | |
3187 | const Float_t kBrphi=0.17460e-4; | |
3188 | const Float_t kCrphi=0.30993e-2; | |
3189 | const Float_t kDrphi=0.41061e-3; | |
85a5290f | 3190 | |
7138dcae | 3191 | pt=TMath::Abs(pt)*1000.; |
3192 | Double_t x=r/pt; | |
3193 | tgl=TMath::Abs(tgl); | |
3194 | Double_t s=kArphi - kBrphi*r*tgl + kCrphi*x*x + kDrphi*x; | |
3195 | if (s<0.4e-3) s=0.4e-3; | |
3196 | s*=1.3; //Iouri Belikov | |
3197 | ||
3198 | return s; | |
3199 | } | |
3200 | ||
85a5290f | 3201 | |
3202 | //____________________________________________________________________________ | |
3203 | Double_t SigmaZ2(Double_t r, Double_t tgl) | |
7138dcae | 3204 | { |
3205 | // | |
3206 | // Parametrised error of the cluster reconstruction (drift direction) | |
3207 | // | |
3208 | // Sigma z | |
3209 | const Float_t kAz=0.39614e-2; | |
3210 | const Float_t kBz=0.22443e-4; | |
3211 | const Float_t kCz=0.51504e-1; | |
85a5290f | 3212 | |
7138dcae | 3213 | |
3214 | tgl=TMath::Abs(tgl); | |
3215 | Double_t s=kAz - kBz*r*tgl + kCz*tgl*tgl; | |
3216 | if (s<0.4e-3) s=0.4e-3; | |
3217 | s*=1.3; //Iouri Belikov | |
3218 | ||
3219 | return s; | |
3220 | } | |
85a5290f | 3221 |