]> git.uio.no Git - u/mrichter/AliRoot.git/blame - MFT/AliMFT.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Fix in the MFT geometry
[u/mrichter/AliRoot.git] / MFT / AliMFT.cxx
CommitLineData
820b4d9e 1// **************************************************************************
2// * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3// * *
4// * Author: The ALICE Off-line Project. *
5// * Contributors are mentioned in the code where appropriate. *
6// * *
7// * Permission to use, copy, modify and distribute this software and its *
8// * documentation strictly for non-commercial purposes is hereby granted *
9// * without fee, provided that the above copyright notice appears in all *
10// * copies and that both the copyright notice and this permission notice *
11// * appear in the supporting documentation. The authors make no claims *
12// * about the suitability of this software for any purpose. It is *
13// * provided "as is" without express or implied warranty. *
14// **************************************************************************
15
16//====================================================================================================================================================
17//
18// Main class of the ALICE Muon Forward Tracker
19//
20// Contact author: antonio.uras@cern.ch
21//
22//====================================================================================================================================================
23
24#include "AliLog.h"
25#include "TFile.h"
26#include "TGeoManager.h"
27#include "TGeoVolume.h"
28#include "TGeoMatrix.h"
29#include "TVirtualMC.h"
30#include "TClonesArray.h"
31#include "TGeoGlobalMagField.h"
32#include "AliRun.h"
33#include "AliLoader.h"
34#include "AliDetector.h"
35#include "AliMC.h"
36#include "AliMagF.h"
37#include "AliMFT.h"
38#include "AliMFTHit.h"
39#include "AliMFTDigit.h"
40#include "AliMFTCluster.h"
41#include "AliTrackReference.h"
42#include "AliMFTSegmentation.h"
43#include "AliMFTDigitizer.h"
44#include "AliMFTPlane.h"
45#include "TString.h"
46#include "TObjArray.h"
47
48ClassImp(AliMFT)
49
50//====================================================================================================================================================
51
52AliMFT::AliMFT():
53 AliDetector(),
54 fVersion(1),
55 fNPlanes(0),
58b93f36 56 fNSlices(1),
820b4d9e 57 fSDigitsPerPlane(0),
58 fDigitsPerPlane(0),
59 fRecPointsPerPlane(0),
60 fSideDigits(0),
61 fSegmentation(0),
62 fNameGeomFile(0),
58b93f36 63 fChargeDispersion(25.e-4),
820b4d9e 64 fSingleStepForChargeDispersion(0),
58b93f36 65 fNStepForChargeDispersion(4),
1ad78f57 66 fDensitySupportOverSi(0.05),
7bafb008 67 fFileNameForUnderyingEvent(0),
68 fFileNameForPileUpEvents(0),
69 fNPileUpEvents(0),
70 fUnderlyingEventID(-1)
820b4d9e 71{
72
73 // default constructor
74
7bafb008 75 for (Int_t iPileUp=0; iPileUp<AliMFTConstants::fNMaxPileUpEvents; iPileUp++) fPileUpEventsIDs[iPileUp] = -1;
76
77
820b4d9e 78}
79
80//====================================================================================================================================================
81
82AliMFT::AliMFT(const Char_t *name, const Char_t *title):
83 AliDetector(name, title),
84 fVersion(1),
85 fNPlanes(0),
58b93f36 86 fNSlices(1),
820b4d9e 87 fSDigitsPerPlane(0),
88 fDigitsPerPlane(0),
89 fRecPointsPerPlane(0),
90 fSideDigits(0),
91 fSegmentation(0),
92 fNameGeomFile(0),
58b93f36 93 fChargeDispersion(25.e-4),
820b4d9e 94 fSingleStepForChargeDispersion(0),
58b93f36 95 fNStepForChargeDispersion(4),
1ad78f57 96 fDensitySupportOverSi(0.05),
7bafb008 97 fFileNameForUnderyingEvent(0),
98 fFileNameForPileUpEvents(0),
99 fNPileUpEvents(0),
100 fUnderlyingEventID(-1)
820b4d9e 101{
102
7bafb008 103 for (Int_t iPileUp=0; iPileUp<AliMFTConstants::fNMaxPileUpEvents; iPileUp++) fPileUpEventsIDs[iPileUp] = -1;
104
820b4d9e 105 fNameGeomFile = "AliMFTGeometry.root";
106
107 SetGeometry();
108
109 Init();
110
111}
112
113//====================================================================================================================================================
114
115AliMFT::AliMFT(const Char_t *name, const Char_t *title, Char_t *nameGeomFile):
116 AliDetector(name, title),
117 fVersion(1),
118 fNPlanes(0),
58b93f36 119 fNSlices(1),
820b4d9e 120 fSDigitsPerPlane(0),
121 fDigitsPerPlane(0),
122 fRecPointsPerPlane(0),
123 fSideDigits(0),
124 fSegmentation(0),
125 fNameGeomFile(0),
58b93f36 126 fChargeDispersion(25.e-4),
820b4d9e 127 fSingleStepForChargeDispersion(0),
58b93f36 128 fNStepForChargeDispersion(4),
1ad78f57 129 fDensitySupportOverSi(0.05),
7bafb008 130 fFileNameForUnderyingEvent(0),
131 fFileNameForPileUpEvents(0),
132 fNPileUpEvents(0),
133 fUnderlyingEventID(-1)
820b4d9e 134{
135
7bafb008 136 for (Int_t iPileUp=0; iPileUp<AliMFTConstants::fNMaxPileUpEvents; iPileUp++) fPileUpEventsIDs[iPileUp] = -1;
137
820b4d9e 138 fNameGeomFile = nameGeomFile;
139
140 SetGeometry();
141
142 Init();
143
144}
145
146//====================================================================================================================================================
147
148AliMFT::~AliMFT() {
149
150 if (fSDigitsPerPlane) { fSDigitsPerPlane->Delete(); delete fSDigitsPerPlane; }
151 if (fDigitsPerPlane) { fDigitsPerPlane->Delete(); delete fDigitsPerPlane; }
152 if (fRecPointsPerPlane) { fRecPointsPerPlane->Delete(); delete fRecPointsPerPlane; }
153
154}
155
156//====================================================================================================================================================
157
158void AliMFT::CreateMaterials() {
159
160 // Definition of MFT materials - to be updated to the most recent values
161
162 AliInfo("Start MFT materials");
163
026547c6 164 // data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm]
165 Float_t aSi = 28.085 , zSi = 14. , dSi = 2.329 , radSi = 21.82/dSi , absSi = 108.4/dSi ; // Silicon
166 Float_t aCarb = 12.01 , zCarb = 6. , dCarb = 2.265 , radCarb = 18.8 , absCarb = 49.9 ; // Carbon
167 Float_t aAlu = 26.98 , zAlu = 13. , dAlu = 2.70 , radAlu = 8.897 , absAlu = 39.70 ; // Aluminum
168
169 // Air mixture
170 const Int_t nAir = 4;
171 Float_t aAir[nAir] = {12, 14, 16, 36} , zAir[nAir] = {6, 7, 8, 18} , wAir[nAir]={0.000124, 0.755267, 0.231781, 0.012827} , dAir=0.00120479;
172
173 // Water mixture
174 const Int_t nWater = 2;
175 Float_t aWater[nWater] = {1.00794, 15.9994} , zWater[nWater] = {1, 8} , wWater[nWater] = {0.111894, 0.888106} , dWater=1.;
176
177 // SiO2 mixture
178 const Int_t nSiO2 = 2;
179 Float_t aSiO2[nSiO2] = {15.9994, 28.0855} , zSiO2[nSiO2] = {8., 14.} , wSiO2[nSiO2] = {0.532565, 0.467435} , dSiO2 = 2.20;
180
181 // Inox mixture
182 const Int_t nInox = 9;
183 Float_t aInox[nInox] = {12.0107, 54.9380, 28.0855, 30.9738, 32.0660, 58.6928, 51.9961, 95.9400, 55.8450} ;
184 Float_t zInox[nInox] = { 6, 25, 14, 15, 16, 28, 24, 42, 26 } ;
185 Float_t wInox[nInox] = {0.0003, 0.02, 0.01, 0.00045, 0.0003, 0.12, 0.17, 0.025, 0.65395} ;
186 Float_t dInox = 8.03;
187
820b4d9e 188 Int_t matId = 0; // tmp material id number
189 Int_t unsens = 0, sens=1; // sensitive or unsensitive medium
190 Int_t itgfld = 3; // type of field intergration 0 no field -1 user in guswim 1 Runge Kutta 2 helix 3 const field along z
191 Float_t maxfld = 5.; // max field value
192
193 Float_t tmaxfd = -10.0; // max deflection angle due to magnetic field in one step
194 Float_t stemax = 0.001; // max step allowed [cm]
195 Float_t deemax = -0.2; // maximum fractional energy loss in one step 0<deemax<=1
196 Float_t epsil = 0.001; // tracking precision [cm]
197 Float_t stmin = -0.001; // minimum step due to continuous processes [cm] (negative value: choose it automatically)
198
026547c6 199 Float_t tmaxfdSi = 0.1; // max deflection angle due to magnetic field in one step
200 Float_t stemaxSi = 5.0e-4; // maximum step allowed [cm]
201 Float_t deemaxSi = 0.1; // maximum fractional energy loss in one step 0<deemax<=1
202 Float_t epsilSi = 0.5e-4; // tracking precision [cm]
820b4d9e 203 Float_t stminSi = -0.001; // minimum step due to continuous processes [cm] (negative value: choose it automatically)
204
205 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); // from CreateMaterials in STRUCT/AliPIPEv3.cxx
206 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); // from CreateMaterials in STRUCT/AliPIPEv3.cxx
207
026547c6 208 AliMixture(++matId,"Air", aAir, zAir, dAir, nAir, wAir);
820b4d9e 209 AliMedium(kAir, "Air", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
210
026547c6 211 AliMaterial(++matId, "Si", aSi, zSi, dSi, radSi, absSi);
820b4d9e 212 AliMedium(kSi, "Si", matId, sens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi);
213
026547c6 214 AliMaterial(++matId, "Readout", aSi, zSi, dSi, radSi, absSi);
820b4d9e 215 AliMedium(kReadout, "Readout", matId, unsens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi);
216
026547c6 217 AliMaterial(++matId, "Support", aSi, zSi, dSi*fDensitySupportOverSi, radSi/fDensitySupportOverSi, absSi/fDensitySupportOverSi);
218 AliMedium(kSupport, "Support", matId, unsens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi);
4cc511f4 219
026547c6 220 AliMaterial(++matId, "Carbon", aCarb, zCarb, dCarb, radCarb, absCarb );
221 AliMedium(kCarbon, "Carbon", matId, unsens, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
4cc511f4 222
026547c6 223 AliMaterial(++matId, "Alu", aAlu, zAlu, dAlu, radAlu, absAlu);
224 AliMedium(kAlu, "Alu", matId, unsens, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
4cc511f4 225
026547c6 226 AliMixture(++matId, "Water", aWater, zWater, dWater, nWater, wWater);
227 AliMedium(kWater, "Water", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
4cc511f4 228
026547c6 229 AliMixture(++matId, "SiO2", aSiO2, zSiO2, dSiO2, nSiO2, wSiO2);
4cc511f4 230 AliMedium(kSiO2, "SiO2", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
026547c6 231
232 AliMixture(++matId, "Inox", aInox, zInox, dInox, nInox, wInox);
233 AliMedium(kInox, "Inox", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
4cc511f4 234
820b4d9e 235 AliInfo("End MFT materials");
236
237}
238
239//====================================================================================================================================================
240
241void AliMFT::CreateGeometry() {
242
243 // Creates detailed geometry simulation (currently GEANT volumes tree)
244
245 AliInfo("Start MFT preliminary version building");
2942f542 246 if(!TVirtualMC::GetMC()->IsRootGeometrySupported()) return;
820b4d9e 247 TGeoVolumeAssembly *vol = CreateVol();
248 AliInfo("TGeoVolumeAssembly created!");
249 gGeoManager->GetVolume("ALIC")->AddNode(vol,0);
250 AliInfo("Stop MFT preliminary version building");
251
252 if (fNStepForChargeDispersion) fSingleStepForChargeDispersion = fChargeDispersion/Double_t(fNStepForChargeDispersion);
253
254}
255
256//====================================================================================================================================================
257
a2b7dc2a 258void AliMFT::AddAlignableVolumes() {
259
260 // Create entries for alignable volumes associating the symbolic volume
261 // name with the corresponding volume path. Needs to be syncronized with
262 // eventual changes in the geometry.
263
264 TString sysName = "MFT";
265 TString volPath = "/ALIC_1/MFT_0";
266
267 if (!gGeoManager->SetAlignableEntry(sysName.Data(),volPath.Data())) {
268 AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", sysName.Data(), volPath.Data()));
269 }
270
271}
272
273//====================================================================================================================================================
274
820b4d9e 275void AliMFT::StepManager() {
276
277 // Full Step Manager
278
2942f542 279 AliDebug(2, Form("Entering StepManager: TVirtualMC::GetMC()->CurrentVolName() = %s", TVirtualMC::GetMC()->CurrentVolName()));
d4643a10 280
1ad78f57 281 if (!fSegmentation) AliFatal("No segmentation available");
820b4d9e 282
283 if (!(this->IsActive())) return;
2942f542 284 if (!(TVirtualMC::GetMC()->TrackCharge())) return;
820b4d9e 285
2942f542 286 TString planeNumber = TVirtualMC::GetMC()->CurrentVolName();
287 TString detElemNumber = TVirtualMC::GetMC()->CurrentVolName();
1ad78f57 288 if (!(planeNumber.Contains("active"))) return;
820b4d9e 289 planeNumber.Remove(0,9);
1ad78f57 290 detElemNumber.Remove(0,18);
820b4d9e 291 planeNumber.Remove(2);
292 detElemNumber.Remove(3);
026547c6 293 Int_t detElemID = fSegmentation->GetDetElemGlobalID(planeNumber.Atoi(), detElemNumber.Atoi());
820b4d9e 294
2942f542 295 if (TVirtualMC::GetMC()->IsTrackExiting()) {
820b4d9e 296 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kMFT);
297 }
298
299 static TLorentzVector position, momentum;
300 static AliMFTHit hit;
301
302 Int_t status = 0;
303
304 // Track status
2942f542 305 if (TVirtualMC::GetMC()->IsTrackInside()) status += 1;
306 if (TVirtualMC::GetMC()->IsTrackEntering()) status += 2;
307 if (TVirtualMC::GetMC()->IsTrackExiting()) status += 4;
308 if (TVirtualMC::GetMC()->IsTrackOut()) status += 8;
309 if (TVirtualMC::GetMC()->IsTrackDisappeared()) status += 16;
310 if (TVirtualMC::GetMC()->IsTrackStop()) status += 32;
311 if (TVirtualMC::GetMC()->IsTrackAlive()) status += 64;
820b4d9e 312
313 // ---------- Fill hit structure
314
315 hit.SetDetElemID(detElemID);
316 hit.SetPlane(planeNumber.Atoi());
317 hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
318
2942f542 319 TVirtualMC::GetMC()->TrackPosition(position);
320 TVirtualMC::GetMC()->TrackMomentum(momentum);
820b4d9e 321
d4643a10 322 AliDebug(1, Form("AliMFT::StepManager()->%s Hit #%06d (x=%f, y=%f, z=%f) belongs to track %02d\n",
2942f542 323 TVirtualMC::GetMC()->CurrentVolName(), fNhits, position.X(), position.Y(), position.Z(), gAlice->GetMCApp()->GetCurrentTrackNumber()));
820b4d9e 324
325 hit.SetPosition(position);
2942f542 326 hit.SetTOF(TVirtualMC::GetMC()->TrackTime());
820b4d9e 327 hit.SetMomentum(momentum);
328 hit.SetStatus(status);
2942f542 329 hit.SetEloss(TVirtualMC::GetMC()->Edep());
026547c6 330 // hit.SetShunt(GetIshunt());
2942f542 331// if (TVirtualMC::GetMC()->IsTrackEntering()) {
026547c6 332// hit.SetStartPosition(position);
2942f542 333// hit.SetStartTime(TVirtualMC::GetMC()->TrackTime());
026547c6 334// hit.SetStartStatus(status);
335// return; // don't save entering hit.
336// }
820b4d9e 337
338 // Fill hit structure with this new hit.
339 new ((*fHits)[fNhits++]) AliMFTHit(hit);
340
026547c6 341 // Save old position... for next hit.
342// hit.SetStartPosition(position);
2942f542 343// hit.SetStartTime(TVirtualMC::GetMC()->TrackTime());
026547c6 344// hit.SetStartStatus(status);
345
820b4d9e 346 return;
347
348}
349
350//====================================================================================================================================================
351
352TGeoVolumeAssembly* AliMFT::CreateVol() {
353
354 // method to create the MFT Geometry (silicon circular planes)
355
356 if (!fSegmentation) CreateGeometry();
357
358 TGeoVolumeAssembly *vol = new TGeoVolumeAssembly("MFT");
359 TGeoMedium *silicon = gGeoManager->GetMedium("MFT_Si");
360 TGeoMedium *readout = gGeoManager->GetMedium("MFT_Readout");
361 TGeoMedium *support = gGeoManager->GetMedium("MFT_Support");
1ad78f57 362 TGeoMedium *carbon = gGeoManager->GetMedium("MFT_Carbon");
363 TGeoMedium *alu = gGeoManager->GetMedium("MFT_Alu");
364 TGeoMedium *water = gGeoManager->GetMedium("MFT_Water");
365 TGeoMedium *si02 = gGeoManager->GetMedium("MFT_SiO2");
366 TGeoMedium *inox = gGeoManager->GetMedium("MFT_Inox");
4cc511f4 367
026547c6 368 // ---- Cage & Services Description --------------------------------------------
4cc511f4 369 // R. Tieulent - 17/01/2014 - Basic description for ITS/TPC matching studies
026547c6 370 // -----------------------------------------------------------------------------
4cc511f4
AU		 371
372 TGeoVolumeAssembly *cageNservices = new TGeoVolumeAssembly("MFT_cageNservices");
373
374 // cage definition
026547c6 375 Float_t cageDz = 150./2.;
376 Float_t cageRMax = 49.5;
377 Float_t cageRMin = cageRMax - 0.120; // 0.64% of X0
4cc511f4 378
026547c6 379 TGeoVolume *cage = gGeoManager->MakeTube("MFT_cage", carbon, cageRMin, cageRMax, cageDz);
380 cage->SetLineColor(kBlue);
381
4cc511f4
AU		 382 cageNservices->AddNode(cage,1,new TGeoTranslation(0., 0., 0. ));
383
384 // Services definition
385 TGeoVolumeAssembly *services = new TGeoVolumeAssembly("MFT_services");
386
387 // Aluminum bus-Bar
026547c6 388 Float_t busBarDz = 150.;
389 Float_t busBarThick = 0.1 ;
390 Float_t busBarWidth = 1.;
4cc511f4 391
026547c6 392 TGeoVolume *aluBusBar = gGeoManager->MakeBox("MFT_busbar", alu, busBarWidth/2., busBarThick/2., busBarDz/2.);
393 aluBusBar->SetLineColor(kYellow);
4cc511f4
AU		 394
395 Int_t nBusBar = 30;
026547c6 396 Float_t dPhiBusBar = 2.*TMath::Pi() / nBusBar;
397 Float_t dShift = cageRMin - busBarThick;
4cc511f4 398
026547c6 399 TGeoRotation *rot;
4cc511f4
AU		 400
401 for (Int_t iBusBar=0; iBusBar<nBusBar; iBusBar++) {
026547c6 402 Float_t phi = dPhiBusBar*iBusBar;
403 Float_t xp = dShift*TMath::Cos(phi);
404 Float_t yp = dShift*TMath::Sin(phi);
4cc511f4 405 rot = new TGeoRotation();
026547c6 406 rot->RotateZ(phi*TMath::RadToDeg()+90.);
407 services->AddNode(aluBusBar, iBusBar+1, new TGeoCombiTrans(xp,yp,0,rot));
4cc511f4
AU		 408 }
409
026547c6 410 // Cooling Services definition
411 TGeoVolumeAssembly *cooling = new TGeoVolumeAssembly("MFT_cooling");
412 // Cooling Water
413 Float_t coolingDz = 150.;
414 Float_t coolingR = 0.3 /2. ; // 3mm in diameter
415 Float_t coolingDR = 0.02 ; // Thickness of the pipe 0.2mm
4cc511f4 416
026547c6 417 TGeoVolume *coolingWater = gGeoManager->MakeTube("MFT_coolingWater", water, 0., coolingR, coolingDz/2.);
418 coolingWater->SetLineColor(kCyan);
419 cooling->AddNode(coolingWater, 1, new TGeoTranslation(0,0,0 ));
420
421 // Cooling Pipes
422 TGeoVolume *coolingPipes = gGeoManager->MakeTube("MFT_coolingPipes", inox, coolingR, coolingR+coolingDR, coolingDz/2.);
423 coolingPipes->SetLineColor(kGray);
424 cooling->AddNode(coolingPipes,1,new TGeoTranslation(0,0,0 ));
4cc511f4
AU		 425
426 Int_t nCooling = 18;
026547c6 427 dShift = cageRMin - coolingR ;
4cc511f4
AU		 428 Float_t phi0 = 0.02;
429
430 for (Int_t iCooling=0; iCooling<nCooling; iCooling++) {
026547c6 431 Float_t phi ;
432 if (iCooling<nCooling/2) phi = dPhiBusBar*(iCooling+3) + phi0;
433 else phi = dPhiBusBar*(iCooling+9) + phi0;
4cc511f4
AU		 434 Float_t xp = dShift*TMath::Cos(phi);
435 Float_t yp = dShift*TMath::Sin(phi);
026547c6 436 services->AddNode(cooling, iCooling+1, new TGeoTranslation(xp,yp,0 ));
4cc511f4
AU		 437 }
438
439 // Optical Fibers
026547c6 440 Float_t fiberDz = 150.;
441 Float_t fiberRadius = 0.0125 /2. ; // 0.125mm in diameter
4cc511f4 442
026547c6 443 TGeoVolume *fiber = gGeoManager->MakeTube("MFT_fiber", si02, 0., fiberRadius, fiberDz/2.);
444 fiber->SetLineColor(kCyan);
445
4cc511f4 446 Int_t nFiber = 340;
026547c6 447 dShift = cageRMin - 2*fiberRadius;
4cc511f4
AU		 448 phi0 = 0.03;
449
450 for (Int_t iFiber=0; iFiber<nFiber; iFiber++) {
026547c6 451 Float_t phi = dPhiBusBar*(Int_t)(iFiber/11) - phi0-(iFiber%11)*2.*TMath::ATan(fiberRadius/dShift);
4cc511f4
AU		 452 Float_t xp = dShift*TMath::Cos(phi);
453 Float_t yp = dShift*TMath::Sin(phi);
026547c6 454 services->AddNode(fiber, iFiber+1, new TGeoTranslation(xp,yp,0 ));
4cc511f4
AU		 455 }
456
026547c6 457 cageNservices->AddNode(services, 1, new TGeoTranslation(0., 0., 0. ));
458
4cc511f4
AU		 459 vol->AddNode(cageNservices,1,new TGeoTranslation(0., 0., 0. ));
460
026547c6 461 // ------------------- Creating volumes for MFT planes --------------------------------
820b4d9e 462
463 Double_t origin[3] = {0};
464
465 for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
466
467 AliDebug(1, Form("Creating volumes for MFT plane %02d",iPlane));
468
469 AliMFTPlane *plane = fSegmentation->GetPlane(iPlane);
470
471 // --------- support element(s)
472
473 origin[0] = 0.5*(plane->GetSupportElement(0)->GetAxis(0)->GetXmax() + plane->GetSupportElement(0)->GetAxis(0)->GetXmin());
474 origin[1] = 0.5*(plane->GetSupportElement(0)->GetAxis(1)->GetXmax() + plane->GetSupportElement(0)->GetAxis(1)->GetXmin());
475 origin[2] = -0.5*(plane->GetSupportElement(0)->GetAxis(2)->GetXmax() + plane->GetSupportElement(0)->GetAxis(2)->GetXmin());
476 TGeoVolume *supportElem = gGeoManager->MakeTube(Form("MFT_plane%02d_support", iPlane), support,
477 plane->GetRMinSupport(),
478 plane->GetRMaxSupport(),
479 0.5*(plane->GetSupportElement(0)->GetAxis(2)->GetXmax() -
480 plane->GetSupportElement(0)->GetAxis(2)->GetXmin()) );
d4643a10 481 AliDebug(2, Form("Created vol %s", supportElem->GetName()));
482 supportElem->SetLineColor(kCyan-9);
820b4d9e 483 vol -> AddNode(supportElem, 0, new TGeoTranslation(origin[0], origin[1], origin[2]));
484
485 AliDebug(1, "support elements created!");
486
487 // --------- active elements
488
489 for (Int_t iActive=0; iActive<plane->GetNActiveElements(); iActive++) {
490
491 Double_t dx = 0.5*TMath::Abs(plane->GetActiveElement(iActive)->GetAxis(0)->GetXmax() - plane->GetActiveElement(iActive)->GetAxis(0)->GetXmin());
492 Double_t dy = 0.5*TMath::Abs(plane->GetActiveElement(iActive)->GetAxis(1)->GetXmax() - plane->GetActiveElement(iActive)->GetAxis(1)->GetXmin());
493 Double_t dz = 0.5*TMath::Abs(plane->GetActiveElement(iActive)->GetAxis(2)->GetXmax() - plane->GetActiveElement(iActive)->GetAxis(2)->GetXmin());
494 dz /= Double_t(fNSlices);
495
496 origin[0] = 0.5*(plane->GetActiveElement(iActive)->GetAxis(0)->GetXmax() + plane->GetActiveElement(iActive)->GetAxis(0)->GetXmin());
497 origin[1] = 0.5*(plane->GetActiveElement(iActive)->GetAxis(1)->GetXmax() + plane->GetActiveElement(iActive)->GetAxis(1)->GetXmin());
498
499 for (Int_t iSlice=0; iSlice<fNSlices; iSlice++) {
500 origin[2] = -0.5*(plane->GetActiveElement(iActive)->GetAxis(2)->GetXmin() + 2*dz*(iSlice+1) + plane->GetActiveElement(iActive)->GetAxis(2)->GetXmin() + 2*dz*(iSlice) );
501 TGeoVolume *activeElem = gGeoManager->MakeBox(Form("MFT_plane%02d_active%03d_slice%02d", iPlane, iActive, iSlice), silicon, dx, dy, dz);
d4643a10 502 AliDebug(2, Form("Created vol %s", activeElem->GetName()));
503 activeElem->SetLineColor(kGreen);
820b4d9e 504 vol -> AddNode(activeElem, 0, new TGeoTranslation(origin[0], origin[1], origin[2]));
505 }
506
507 }
508
509 AliDebug(1, "active elements created!");
510
511 // --------- readout elements
512
513 for (Int_t iReadout=0; iReadout<plane->GetNReadoutElements(); iReadout++) {
514
515 Double_t dx = 0.5*TMath::Abs(plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmax() - plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmin());
516 Double_t dy = 0.5*TMath::Abs(plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmax() - plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmin());
517 Double_t dz = 0.5*TMath::Abs(plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmax() - plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmin());
518
519 origin[0] = 0.5*(plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmax() + plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmin());
520 origin[1] = 0.5*(plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmax() + plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmin());
521 origin[2] = -0.5*(plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmax() + plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmin());
522
523 TGeoVolume *readoutElem = gGeoManager->MakeBox(Form("MFT_plane%02d_readout%03d", iPlane, iReadout), readout, dx, dy, dz);
d4643a10 524 AliDebug(2, Form("Created vol %s", readoutElem->GetName()));
525 readoutElem->SetLineColor(kRed);
820b4d9e 526 vol -> AddNode(readoutElem, 0, new TGeoTranslation(origin[0], origin[1], origin[2]));
527
528 }
529
530 AliDebug(1, "readout elements created!");
531
532 }
533
534 return vol;
535
536}
537
538//====================================================================================================================================================
539
540void AliMFT::Hits2SDigits(){
541
542 // Interface method invoked from AliSimulation to create a list of sdigits corresponding to list of hits. Every hit generates one sdigit.
543
544 AliDebug(1,"Start Hits2SDigits.");
545
546 if (!fSegmentation) CreateGeometry();
547
548 if (!fLoader->TreeH()) fLoader->LoadHits();
549
550 if (!fLoader->TreeS()) {
551
552 for (Int_t iEvt=0;iEvt<fLoader->GetRunLoader()->GetNumberOfEvents(); iEvt++) {
553
554 fLoader->GetRunLoader()->GetEvent(iEvt);
555 fLoader->MakeTree("S");
556 MakeBranch("S");
557 SetTreeAddress();
558
559 AliDebug(1, Form("Event %03d: fLoader->TreeH()->GetEntries() = %2d", iEvt, Int_t(fLoader->TreeH()->GetEntries())));
560
561 for (Int_t iTrack=0; iTrack<fLoader->TreeH()->GetEntries(); iTrack++) {
562 fLoader->TreeH()->GetEntry(iTrack);
563 Hits2SDigitsLocal(Hits(), GetSDigitsList(), iTrack); // convert these hits to a list of sdigits
564 }
565
566 fLoader->TreeS()->Fill();
567 fLoader->WriteSDigits("OVERWRITE");
568 ResetSDigits();
569
570 }
571 }
572
573 fLoader->UnloadHits();
574 fLoader->UnloadSDigits();
575
576 AliDebug(1,"Stop Hits2SDigits.");
577
578}
579
580//====================================================================================================================================================
581
582void AliMFT::Hits2SDigitsLocal(TClonesArray *hits, const TObjArray *pSDig, Int_t track) {
583
584 // Add sdigits of these hits to the list
585
58b93f36 586 AliDebug(1, "Entering Hits2SDigitsLocal");
820b4d9e 587
588 if (!fSegmentation) CreateGeometry();
589
590 TClonesArray *pSDigList[fNMaxPlanes];
591 for (Int_t iPlane=0; iPlane<fNMaxPlanes; iPlane++) pSDigList[iPlane] = NULL;
592 for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
593 pSDigList[iPlane] = (TClonesArray*) (*pSDig)[iPlane];
594 AliDebug(1,Form("Entries of pSDigList %3d; plane: %02d,",pSDigList[iPlane]->GetEntries(),iPlane));
595 if (!track && pSDigList[iPlane]->GetEntries()!=0) AliErrorClass("Some of sdigits lists is not empty");
596 }
597
598 for (Int_t iHit=0; iHit<hits->GetEntries(); iHit++) {
599
600 AliMFTHit *hit = (AliMFTHit*) hits->At(iHit);
601
58b93f36 602 // Creating "main digit"
603
604 AliMFTDigit *mainSDigit = new AliMFTDigit();
605 mainSDigit->SetEloss(hit->GetEloss());
606 mainSDigit->SetDetElemID(hit->GetDetElemID());
607 mainSDigit->SetPlane(hit->GetPlane());
608 mainSDigit->AddMCLabel(hit->GetTrack());
820b4d9e 609
610 Int_t xPixel = -1;
611 Int_t yPixel = -1;
58b93f36 612 if (fSegmentation->Hit2PixelID(hit->X(), hit->Y(), mainSDigit->GetDetElemID(), xPixel, yPixel)) {
613 mainSDigit->SetPixID(xPixel, yPixel, 0);
614 mainSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(mainSDigit->GetDetElemID()),
615 fSegmentation->GetPixelSizeY(mainSDigit->GetDetElemID()),
616 fSegmentation->GetPixelSizeZ(mainSDigit->GetDetElemID()));
617 mainSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(mainSDigit->GetDetElemID(), xPixel),
618 fSegmentation->GetPixelCenterY(mainSDigit->GetDetElemID(), yPixel),
619 fSegmentation->GetPixelCenterZ(mainSDigit->GetDetElemID(), 0));
620 new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*mainSDigit);
820b4d9e 621 AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)",
58b93f36 622 mainSDigit->GetPixelCenterX(), mainSDigit->GetPixelCenterY(), mainSDigit->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z()));
820b4d9e 623 }
624
58b93f36 625 // creating "side digits" to simulate the effect of charge dispersion
820b4d9e 626
820b4d9e 627 Double_t pi4 = TMath::Pi()/4.;
628 for (Int_t iStep=0; iStep<fNStepForChargeDispersion; iStep++) {
629 Double_t shift = (iStep+1) * fSingleStepForChargeDispersion;
630 for (Int_t iAngle=0; iAngle<8; iAngle++) {
631 Double_t shiftX = shift*TMath::Cos(iAngle*pi4);
632 Double_t shiftY = shift*TMath::Sin(iAngle*pi4);
58b93f36 633 if (fSegmentation->Hit2PixelID(hit->X()+shiftX, hit->Y()+shiftY, hit->GetDetElemID(), xPixel, yPixel)) {
820b4d9e 634 Bool_t digitExists = kFALSE;
58b93f36 635 for (Int_t iSideDigit=0; iSideDigit<fSideDigits->GetEntries(); iSideDigit++) {
636 if (xPixel==((AliMFTDigit*) fSideDigits->At(iSideDigit))->GetPixelX() &&
637 yPixel==((AliMFTDigit*) fSideDigits->At(iSideDigit))->GetPixelY()) {
638 digitExists = kTRUE;
639 break;
820b4d9e 640 }
641 }
642 if (!digitExists) {
58b93f36 643 AliMFTDigit *sideSDigit = new AliMFTDigit();
644 sideSDigit->SetEloss(0.);
645 sideSDigit->SetDetElemID(hit->GetDetElemID());
646 sideSDigit->SetPlane(hit->GetPlane());
647 sideSDigit->AddMCLabel(hit->GetTrack());
648 sideSDigit->SetPixID(xPixel, yPixel, 0);
649 sideSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(sideSDigit->GetDetElemID()),
650 fSegmentation->GetPixelSizeY(sideSDigit->GetDetElemID()),
651 fSegmentation->GetPixelSizeZ(sideSDigit->GetDetElemID()));
652 sideSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(sideSDigit->GetDetElemID(), xPixel),
653 fSegmentation->GetPixelCenterY(sideSDigit->GetDetElemID(), yPixel),
654 fSegmentation->GetPixelCenterZ(sideSDigit->GetDetElemID(), 0));
655 new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*sideSDigit);
820b4d9e 656 }
657 }
658 }
659 }
58b93f36 660
661 // ------------ In case we should simulate a rectangular pattern of pixel...
662
663 if (fSegmentation->GetPlane(mainSDigit->GetPlane())->HasPixelRectangularPatternAlongY()) {
664 for (Int_t iSDigit=0; iSDigit<fSideDigits->GetEntries(); iSDigit++) {
665 AliMFTDigit *mySDig = (AliMFTDigit*) (fSideDigits->At(iSDigit));
bcaf50eb 666 if (mySDig->GetPixelX()%2 == mySDig->GetPixelY()%2) { // both pair or both odd
58b93f36 667 xPixel = mySDig->GetPixelX();
668 yPixel = mySDig->GetPixelY()+1;
669 if (fSegmentation->DoesPixelExist(mySDig->GetDetElemID(), xPixel, yPixel)) {
670 AliMFTDigit *newSDigit = new AliMFTDigit();
671 newSDigit->SetEloss(0.);
672 newSDigit->SetDetElemID(mySDig->GetDetElemID());
673 newSDigit->SetPlane(mySDig->GetDetElemID());
674 newSDigit->SetPixID(xPixel, yPixel, 0);
675 newSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(newSDigit->GetDetElemID()),
676 fSegmentation->GetPixelSizeY(newSDigit->GetDetElemID()),
677 fSegmentation->GetPixelSizeZ(newSDigit->GetDetElemID()));
678 newSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(newSDigit->GetDetElemID(), xPixel),
679 fSegmentation->GetPixelCenterY(newSDigit->GetDetElemID(), yPixel),
680 fSegmentation->GetPixelCenterZ(newSDigit->GetDetElemID(), 0));
681 new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*newSDigit);
bcaf50eb 682 }
683 }
684 else { // pair-odd
58b93f36 685 xPixel = mySDig->GetPixelX();
686 yPixel = mySDig->GetPixelY()-1;
687 if (fSegmentation->DoesPixelExist(mySDig->GetDetElemID(), xPixel, yPixel)) {
688 AliMFTDigit *newSDigit = new AliMFTDigit();
689 newSDigit->SetEloss(0.);
690 newSDigit->SetDetElemID(mySDig->GetDetElemID());
691 newSDigit->SetPlane(mySDig->GetPlane());
692 newSDigit->SetPixID(xPixel, yPixel, 0);
693 newSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(newSDigit->GetDetElemID()),
694 fSegmentation->GetPixelSizeY(newSDigit->GetDetElemID()),
695 fSegmentation->GetPixelSizeZ(newSDigit->GetDetElemID()));
696 newSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(newSDigit->GetDetElemID(), xPixel),
697 fSegmentation->GetPixelCenterY(newSDigit->GetDetElemID(), yPixel),
698 fSegmentation->GetPixelCenterZ(newSDigit->GetDetElemID(), 0));
699 new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*newSDigit);
bcaf50eb 700 }
701 }
702 }
703 }
58b93f36 704
705 // -------- checking which pixels switched on have their diode actually within the charge dispersion radius
706
707 for (Int_t iSDigit=0; iSDigit<fSideDigits->GetEntries(); iSDigit++) {
708 AliMFTDigit *mySDig = (AliMFTDigit*) (fSideDigits->At(iSDigit));
709 Double_t distance = TMath::Sqrt(TMath::Power(mySDig->GetPixelCenterX()-hit->X(),2) + TMath::Power(mySDig->GetPixelCenterY()-hit->Y(),2));
710 if (fSegmentation->GetPlane(mySDig->GetPlane())->HasPixelRectangularPatternAlongY()) {
711 if (mySDig->GetPixelX()%2 == mySDig->GetPixelY()%2) { // both pair or both odd
712 if (distance<fChargeDispersion) {
713 AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)",
714 mySDig->GetPixelCenterX(), mySDig->GetPixelCenterY(), mySDig->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z()));
715 new ((*pSDigList[mySDig->GetPlane()])[pSDigList[mySDig->GetPlane()]->GetEntries()]) AliMFTDigit(*mySDig);
716 xPixel = mySDig->GetPixelX();
717 yPixel = mySDig->GetPixelY()+1;
718 if (fSegmentation->DoesPixelExist(mySDig->GetDetElemID(), xPixel, yPixel)) {
719 AliMFTDigit *newSDigit = new AliMFTDigit();
720 newSDigit->SetEloss(0.);
721 newSDigit->SetDetElemID(mySDig->GetDetElemID());
722 newSDigit->SetPlane(mySDig->GetPlane());
723 newSDigit->SetPixID(xPixel, yPixel, 0);
724 newSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(newSDigit->GetDetElemID()),
725 fSegmentation->GetPixelSizeY(newSDigit->GetDetElemID()),
726 fSegmentation->GetPixelSizeZ(newSDigit->GetDetElemID()));
727 newSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(newSDigit->GetDetElemID(), xPixel),
728 fSegmentation->GetPixelCenterY(newSDigit->GetDetElemID(), yPixel),
729 fSegmentation->GetPixelCenterZ(newSDigit->GetDetElemID(), 0));
730 AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)",
731 newSDigit->GetPixelCenterX(), newSDigit->GetPixelCenterY(), newSDigit->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z()));
732 new ((*pSDigList[newSDigit->GetPlane()])[pSDigList[newSDigit->GetPlane()]->GetEntries()]) AliMFTDigit(*newSDigit);
733 }
734 }
735 }
736 }
737 else {
738 if (distance<fChargeDispersion) {
739 AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)",
740 mySDig->GetPixelCenterX(), mySDig->GetPixelCenterY(), mySDig->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z()));
741 new ((*pSDigList[mySDig->GetPlane()])[pSDigList[mySDig->GetPlane()]->GetEntries()]) AliMFTDigit(*mySDig);
742 }
743 }
744 }
745
746 fSideDigits->Delete();
747
bcaf50eb 748 }
749
58b93f36 750 AliDebug(1,"Exiting Hits2SDigitsLocal");
820b4d9e 751
752}
753
754//====================================================================================================================================================
755
756void AliMFT::MakeBranch(Option_t *option) {
757
820b4d9e 758 // Create Tree branches
759 AliDebug(1, Form("Start with option= %s.",option));
760
761 const Int_t kBufSize = 4000;
762
763 const Char_t *cH = strstr(option,"H");
764 const Char_t *cD = strstr(option,"D");
765 const Char_t *cS = strstr(option,"S");
766
767 if (cH && fLoader->TreeH()) {
768 CreateHits();
769 MakeBranchInTree(fLoader->TreeH(), "MFT", &fHits, kBufSize, 0);
770 }
771
772 if (cS && fLoader->TreeS()) {
773 CreateSDigits();
774 for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) MakeBranchInTree(fLoader->TreeS(),
775 Form("Plane_%02d",iPlane),
776 &((*fSDigitsPerPlane)[iPlane]),
777 kBufSize, 0);
778 }
779
780 if (cD && fLoader->TreeD()) {
781 CreateDigits();
782 for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) MakeBranchInTree(fLoader->TreeD(),
783 Form("Plane_%02d",iPlane),
784 &((*fDigitsPerPlane)[iPlane]),
785 kBufSize, 0);
786 }
787
788 AliDebug(1,"Stop.");
789
790}
791
792//====================================================================================================================================================
793
794void AliMFT::SetTreeAddress() {
795
796 AliDebug(1, "AliMFT::SetTreeAddress()");
797
798 //Set branch address for the Hits and Digits Tree.
799 AliDebug(1, "Start.");
800
801 AliDebug(1, Form("AliMFT::SetTreeAddress Hits fLoader->TreeH() = %p\n", fLoader->TreeH()));
802 if (fLoader->TreeH() && fLoader->TreeH()->GetBranch("MFT")) {
803 CreateHits();
804 fLoader->TreeH()->SetBranchAddress("MFT", &fHits);
805 }
806
807 AliDebug(1, Form("AliMFT::SetTreeAddress SDigits fLoader->TreeS() = %p\n", fLoader->TreeS()));
808 if (fLoader->TreeS() && fLoader->TreeS()->GetBranch("Plane_00")) {
809 CreateSDigits();
810 for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
811 fLoader->TreeS()->SetBranchAddress(Form("Plane_%02d",iPlane), &((*fSDigitsPerPlane)[iPlane]));
812 }
813 }
814
815 AliDebug(1, Form("AliMFT::SetTreeAddress Digits fLoader->TreeD() = %p\n", fLoader->TreeD()));
816 if (fLoader->TreeD() && fLoader->TreeD()->GetBranch("Plane_00")) {
817 CreateDigits();
818 for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
819 fLoader->TreeD()->SetBranchAddress(Form("Plane_%02d",iPlane), &((*fDigitsPerPlane)[iPlane]));
820 }
821 }
822
823 AliDebug(1, Form("AliMFT::SetTreeAddress RecPoints fLoader->TreeR() = %p\n", fLoader->TreeR()));
824 if (fLoader->TreeR() && fLoader->TreeR()->GetBranch("Plane_00")) {
825 CreateRecPoints();
826 for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) {
827 fLoader->TreeR()->SetBranchAddress(Form("Plane_%02d",iPlane), &((*fRecPointsPerPlane)[iPlane]));
828 }
829 }
830
831 AliDebug(1,"Stop.");
832
833}
834
835//====================================================================================================================================================
836
837void AliMFT::SetGeometry() {
838
ffc53def 839 AliInfo("AliMFT::SetGeometry\n");
820b4d9e 840
841 fSegmentation = new AliMFTSegmentation(fNameGeomFile.Data());
842
843 fNPlanes = fSegmentation->GetNPlanes();
844
845}
846
847//====================================================================================================================================================
848
849void AliMFT::CreateHits() {
850
851 // create array of hits
852
853 AliDebug(1, "AliMFT::CreateHits()");
854
855 if (fHits) return;
856 fHits = new TClonesArray("AliMFTHit");
857
858}
859
860//====================================================================================================================================================
861
862void AliMFT::CreateSDigits() {
863
864 // create sdigits list
865
866 AliDebug(1, "AliMFT::CreateSDigits()");
867
868 if (fSDigitsPerPlane) return;
869 fSDigitsPerPlane = new TObjArray(fNPlanes);
870 for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) fSDigitsPerPlane->AddAt(new TClonesArray("AliMFTDigit"), iPlane);
871
872 fSideDigits = new TClonesArray("AliMFTDigit");
873
874}
875
876//====================================================================================================================================================
877
878void AliMFT::CreateDigits() {
879
880 // create digits list
881
882 AliDebug(1, "AliMFT::CreateDigits()");
883
884 if (fDigitsPerPlane) return;
885 fDigitsPerPlane = new TObjArray(fNPlanes);
886 for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) fDigitsPerPlane->AddAt(new TClonesArray("AliMFTDigit"), iPlane);
887
888}
889
890//====================================================================================================================================================
891
892void AliMFT::CreateRecPoints() {
893
894 // create recPoints list
895
896 AliDebug(1, "AliMFT::CreateRecPoints()");
897
898 if (fRecPointsPerPlane) return;
899 fRecPointsPerPlane = new TObjArray(fNPlanes);
900 for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) fRecPointsPerPlane->AddAt(new TClonesArray("AliMFTCluster"), iPlane);
901
902}
903
904//====================================================================================================================================================