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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 | ||
48 | ClassImp(AliMFT) | |
49 | ||
50 | //==================================================================================================================================================== | |
51 | ||
52 | AliMFT::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), |
66 | fDensitySupportOverSi(0.15) | |
820b4d9e | 67 | { |
68 | ||
69 | // default constructor | |
70 | ||
71 | } | |
72 | ||
73 | //==================================================================================================================================================== | |
74 | ||
75 | AliMFT::AliMFT(const Char_t *name, const Char_t *title): | |
76 | AliDetector(name, title), | |
77 | fVersion(1), | |
78 | fNPlanes(0), | |
58b93f36 | 79 | fNSlices(1), |
820b4d9e | 80 | fSDigitsPerPlane(0), |
81 | fDigitsPerPlane(0), | |
82 | fRecPointsPerPlane(0), | |
83 | fSideDigits(0), | |
84 | fSegmentation(0), | |
85 | fNameGeomFile(0), | |
58b93f36 | 86 | fChargeDispersion(25.e-4), |
820b4d9e | 87 | fSingleStepForChargeDispersion(0), |
58b93f36 | 88 | fNStepForChargeDispersion(4), |
89 | fDensitySupportOverSi(0.15) | |
820b4d9e | 90 | { |
91 | ||
92 | fNameGeomFile = "AliMFTGeometry.root"; | |
93 | ||
94 | SetGeometry(); | |
95 | ||
96 | Init(); | |
97 | ||
98 | } | |
99 | ||
100 | //==================================================================================================================================================== | |
101 | ||
102 | AliMFT::AliMFT(const Char_t *name, const Char_t *title, Char_t *nameGeomFile): | |
103 | AliDetector(name, title), | |
104 | fVersion(1), | |
105 | fNPlanes(0), | |
58b93f36 | 106 | fNSlices(1), |
820b4d9e | 107 | fSDigitsPerPlane(0), |
108 | fDigitsPerPlane(0), | |
109 | fRecPointsPerPlane(0), | |
110 | fSideDigits(0), | |
111 | fSegmentation(0), | |
112 | fNameGeomFile(0), | |
58b93f36 | 113 | fChargeDispersion(25.e-4), |
820b4d9e | 114 | fSingleStepForChargeDispersion(0), |
58b93f36 | 115 | fNStepForChargeDispersion(4), |
116 | fDensitySupportOverSi(0.15) | |
820b4d9e | 117 | { |
118 | ||
119 | fNameGeomFile = nameGeomFile; | |
120 | ||
121 | SetGeometry(); | |
122 | ||
123 | Init(); | |
124 | ||
125 | } | |
126 | ||
127 | //==================================================================================================================================================== | |
128 | ||
129 | AliMFT::~AliMFT() { | |
130 | ||
131 | if (fSDigitsPerPlane) { fSDigitsPerPlane->Delete(); delete fSDigitsPerPlane; } | |
132 | if (fDigitsPerPlane) { fDigitsPerPlane->Delete(); delete fDigitsPerPlane; } | |
133 | if (fRecPointsPerPlane) { fRecPointsPerPlane->Delete(); delete fRecPointsPerPlane; } | |
134 | ||
135 | } | |
136 | ||
137 | //==================================================================================================================================================== | |
138 | ||
139 | void AliMFT::CreateMaterials() { | |
140 | ||
141 | // Definition of MFT materials - to be updated to the most recent values | |
142 | ||
143 | AliInfo("Start MFT materials"); | |
144 | ||
145 | // data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm] | |
146 | Float_t aAir[4]={12,14,16,36} , zAir[4]={6,7,8,18} , wAir[4]={0.000124,0.755267,0.231781,0.012827} , dAir=0.00120479; Int_t nAir=4; // Air mixture | |
147 | Float_t aSi = 28.085 , zSi = 14 , dSi = 2.329 , radSi = 21.82/dSi , absSi = 108.4/dSi ; // Silicon | |
148 | ||
149 | Int_t matId = 0; // tmp material id number | |
150 | Int_t unsens = 0, sens=1; // sensitive or unsensitive medium | |
151 | 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 | |
152 | Float_t maxfld = 5.; // max field value | |
153 | ||
154 | Float_t tmaxfd = -10.0; // max deflection angle due to magnetic field in one step | |
155 | Float_t stemax = 0.001; // max step allowed [cm] | |
156 | Float_t deemax = -0.2; // maximum fractional energy loss in one step 0<deemax<=1 | |
157 | Float_t epsil = 0.001; // tracking precision [cm] | |
158 | Float_t stmin = -0.001; // minimum step due to continuous processes [cm] (negative value: choose it automatically) | |
159 | ||
160 | Float_t tmaxfdSi = 0.1; // max deflection angle due to magnetic field in one step | |
161 | Float_t stemaxSi = 5.0e-4; // maximum step allowed [cm] | |
162 | Float_t deemaxSi = 0.1; // maximum fractional energy loss in one step 0<deemax<=1 | |
163 | Float_t epsilSi = 0.5e-4; // tracking precision [cm] | |
164 | Float_t stminSi = -0.001; // minimum step due to continuous processes [cm] (negative value: choose it automatically) | |
165 | ||
166 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); // from CreateMaterials in STRUCT/AliPIPEv3.cxx | |
167 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); // from CreateMaterials in STRUCT/AliPIPEv3.cxx | |
168 | ||
169 | AliMixture(++matId,"Air", aAir, zAir, dAir, nAir, wAir); | |
170 | AliMedium(kAir, "Air", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
171 | ||
172 | AliMaterial(++matId, "Si", aSi, zSi, dSi, radSi, absSi ); | |
173 | AliMedium(kSi, "Si", matId, sens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi); | |
174 | ||
175 | AliMaterial(++matId, "Readout", aSi, zSi, dSi, radSi, absSi ); | |
176 | AliMedium(kReadout, "Readout", matId, unsens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi); | |
177 | ||
d4643a10 | 178 | AliMaterial(++matId, "Support", aSi, zSi, dSi*fDensitySupportOverSi, radSi/fDensitySupportOverSi, absSi/fDensitySupportOverSi); |
820b4d9e | 179 | AliMedium(kSupport, "Support", matId, unsens, isxfld, sxmgmx, tmaxfdSi, stemaxSi, deemaxSi, epsilSi, stminSi); |
180 | ||
181 | AliInfo("End MFT materials"); | |
182 | ||
183 | } | |
184 | ||
185 | //==================================================================================================================================================== | |
186 | ||
187 | void AliMFT::CreateGeometry() { | |
188 | ||
189 | // Creates detailed geometry simulation (currently GEANT volumes tree) | |
190 | ||
191 | AliInfo("Start MFT preliminary version building"); | |
192 | if(!gMC->IsRootGeometrySupported()) return; | |
193 | TGeoVolumeAssembly *vol = CreateVol(); | |
194 | AliInfo("TGeoVolumeAssembly created!"); | |
195 | gGeoManager->GetVolume("ALIC")->AddNode(vol,0); | |
196 | AliInfo("Stop MFT preliminary version building"); | |
197 | ||
198 | if (fNStepForChargeDispersion) fSingleStepForChargeDispersion = fChargeDispersion/Double_t(fNStepForChargeDispersion); | |
199 | ||
200 | } | |
201 | ||
202 | //==================================================================================================================================================== | |
203 | ||
a2b7dc2a | 204 | void AliMFT::AddAlignableVolumes() { |
205 | ||
206 | // Create entries for alignable volumes associating the symbolic volume | |
207 | // name with the corresponding volume path. Needs to be syncronized with | |
208 | // eventual changes in the geometry. | |
209 | ||
210 | TString sysName = "MFT"; | |
211 | TString volPath = "/ALIC_1/MFT_0"; | |
212 | ||
213 | if (!gGeoManager->SetAlignableEntry(sysName.Data(),volPath.Data())) { | |
214 | AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", sysName.Data(), volPath.Data())); | |
215 | } | |
216 | ||
217 | } | |
218 | ||
219 | //==================================================================================================================================================== | |
220 | ||
820b4d9e | 221 | void AliMFT::StepManager() { |
222 | ||
223 | // Full Step Manager | |
224 | ||
d4643a10 | 225 | AliDebug(2, Form("Entering StepManager: gMC->CurrentVolName() = %s", gMC->CurrentVolName())); |
226 | ||
820b4d9e | 227 | if (!fSegmentation) AliFatal("No segmentation available"); // DO WE HAVE A SEGMENTATION??? |
228 | ||
229 | if (!(this->IsActive())) return; | |
230 | if (!(gMC->TrackCharge())) return; | |
231 | ||
232 | TString planeNumber = gMC->CurrentVolName(); | |
233 | TString detElemNumber = gMC->CurrentVolName(); | |
234 | if (planeNumber.Contains("support")) return; | |
235 | if (planeNumber.Contains("readout")) return; | |
236 | planeNumber.Remove(0,9); | |
237 | detElemNumber.Remove(0,19); | |
238 | planeNumber.Remove(2); | |
239 | detElemNumber.Remove(3); | |
240 | Int_t detElemID = fSegmentation->GetDetElemID(planeNumber.Atoi(), detElemNumber.Atoi()); | |
241 | ||
242 | if (gMC->IsTrackExiting()) { | |
243 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kMFT); | |
244 | } | |
245 | ||
246 | static TLorentzVector position, momentum; | |
247 | static AliMFTHit hit; | |
248 | ||
249 | Int_t status = 0; | |
250 | ||
251 | // Track status | |
252 | if (gMC->IsTrackInside()) status += 1; | |
253 | if (gMC->IsTrackEntering()) status += 2; | |
254 | if (gMC->IsTrackExiting()) status += 4; | |
255 | if (gMC->IsTrackOut()) status += 8; | |
256 | if (gMC->IsTrackDisappeared()) status += 16; | |
257 | if (gMC->IsTrackStop()) status += 32; | |
258 | if (gMC->IsTrackAlive()) status += 64; | |
259 | ||
260 | // ---------- Fill hit structure | |
261 | ||
262 | hit.SetDetElemID(detElemID); | |
263 | hit.SetPlane(planeNumber.Atoi()); | |
264 | hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
265 | ||
266 | gMC->TrackPosition(position); | |
267 | gMC->TrackMomentum(momentum); | |
268 | ||
d4643a10 | 269 | AliDebug(1, Form("AliMFT::StepManager()->%s Hit #%06d (x=%f, y=%f, z=%f) belongs to track %02d\n", |
270 | gMC->CurrentVolName(), fNhits, position.X(), position.Y(), position.Z(), gAlice->GetMCApp()->GetCurrentTrackNumber())); | |
820b4d9e | 271 | |
272 | hit.SetPosition(position); | |
273 | hit.SetTOF(gMC->TrackTime()); | |
274 | hit.SetMomentum(momentum); | |
275 | hit.SetStatus(status); | |
276 | hit.SetEloss(gMC->Edep()); | |
277 | // hit.SetShunt(GetIshunt()); | |
278 | // if (gMC->IsTrackEntering()) { | |
279 | // hit.SetStartPosition(position); | |
280 | // hit.SetStartTime(gMC->TrackTime()); | |
281 | // hit.SetStartStatus(status); | |
282 | // return; // don't save entering hit. | |
283 | // } | |
284 | ||
285 | // Fill hit structure with this new hit. | |
286 | new ((*fHits)[fNhits++]) AliMFTHit(hit); | |
287 | ||
288 | // Save old position... for next hit. | |
289 | // hit.SetStartPosition(position); | |
290 | // hit.SetStartTime(gMC->TrackTime()); | |
291 | // hit.SetStartStatus(status); | |
292 | ||
293 | return; | |
294 | ||
295 | } | |
296 | ||
297 | //==================================================================================================================================================== | |
298 | ||
299 | TGeoVolumeAssembly* AliMFT::CreateVol() { | |
300 | ||
301 | // method to create the MFT Geometry (silicon circular planes) | |
302 | ||
303 | if (!fSegmentation) CreateGeometry(); | |
304 | ||
305 | TGeoVolumeAssembly *vol = new TGeoVolumeAssembly("MFT"); | |
306 | TGeoMedium *silicon = gGeoManager->GetMedium("MFT_Si"); | |
307 | TGeoMedium *readout = gGeoManager->GetMedium("MFT_Readout"); | |
308 | TGeoMedium *support = gGeoManager->GetMedium("MFT_Support"); | |
309 | for (Int_t iPar=0; iPar<8; iPar++) AliInfo(Form("silicon->GetParam(%d) = %f", iPar, silicon->GetParam(iPar))); | |
310 | for (Int_t iPar=0; iPar<8; iPar++) AliInfo(Form("readout->GetParam(%d) = %f", iPar, readout->GetParam(iPar))); | |
311 | for (Int_t iPar=0; iPar<8; iPar++) AliInfo(Form("support->GetParam(%d) = %f", iPar, support->GetParam(iPar))); | |
312 | ||
313 | Double_t origin[3] = {0}; | |
314 | ||
315 | for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) { | |
316 | ||
317 | AliDebug(1, Form("Creating volumes for MFT plane %02d",iPlane)); | |
318 | ||
319 | AliMFTPlane *plane = fSegmentation->GetPlane(iPlane); | |
320 | ||
321 | // --------- support element(s) | |
322 | ||
323 | origin[0] = 0.5*(plane->GetSupportElement(0)->GetAxis(0)->GetXmax() + plane->GetSupportElement(0)->GetAxis(0)->GetXmin()); | |
324 | origin[1] = 0.5*(plane->GetSupportElement(0)->GetAxis(1)->GetXmax() + plane->GetSupportElement(0)->GetAxis(1)->GetXmin()); | |
325 | origin[2] = -0.5*(plane->GetSupportElement(0)->GetAxis(2)->GetXmax() + plane->GetSupportElement(0)->GetAxis(2)->GetXmin()); | |
326 | TGeoVolume *supportElem = gGeoManager->MakeTube(Form("MFT_plane%02d_support", iPlane), support, | |
327 | plane->GetRMinSupport(), | |
328 | plane->GetRMaxSupport(), | |
329 | 0.5*(plane->GetSupportElement(0)->GetAxis(2)->GetXmax() - | |
330 | plane->GetSupportElement(0)->GetAxis(2)->GetXmin()) ); | |
d4643a10 | 331 | AliDebug(2, Form("Created vol %s", supportElem->GetName())); |
332 | supportElem->SetLineColor(kCyan-9); | |
820b4d9e | 333 | vol -> AddNode(supportElem, 0, new TGeoTranslation(origin[0], origin[1], origin[2])); |
334 | ||
335 | AliDebug(1, "support elements created!"); | |
336 | ||
337 | // --------- active elements | |
338 | ||
339 | for (Int_t iActive=0; iActive<plane->GetNActiveElements(); iActive++) { | |
340 | ||
341 | Double_t dx = 0.5*TMath::Abs(plane->GetActiveElement(iActive)->GetAxis(0)->GetXmax() - plane->GetActiveElement(iActive)->GetAxis(0)->GetXmin()); | |
342 | Double_t dy = 0.5*TMath::Abs(plane->GetActiveElement(iActive)->GetAxis(1)->GetXmax() - plane->GetActiveElement(iActive)->GetAxis(1)->GetXmin()); | |
343 | Double_t dz = 0.5*TMath::Abs(plane->GetActiveElement(iActive)->GetAxis(2)->GetXmax() - plane->GetActiveElement(iActive)->GetAxis(2)->GetXmin()); | |
344 | dz /= Double_t(fNSlices); | |
345 | ||
346 | origin[0] = 0.5*(plane->GetActiveElement(iActive)->GetAxis(0)->GetXmax() + plane->GetActiveElement(iActive)->GetAxis(0)->GetXmin()); | |
347 | origin[1] = 0.5*(plane->GetActiveElement(iActive)->GetAxis(1)->GetXmax() + plane->GetActiveElement(iActive)->GetAxis(1)->GetXmin()); | |
348 | ||
349 | for (Int_t iSlice=0; iSlice<fNSlices; iSlice++) { | |
350 | origin[2] = -0.5*(plane->GetActiveElement(iActive)->GetAxis(2)->GetXmin() + 2*dz*(iSlice+1) + plane->GetActiveElement(iActive)->GetAxis(2)->GetXmin() + 2*dz*(iSlice) ); | |
351 | TGeoVolume *activeElem = gGeoManager->MakeBox(Form("MFT_plane%02d_active%03d_slice%02d", iPlane, iActive, iSlice), silicon, dx, dy, dz); | |
d4643a10 | 352 | AliDebug(2, Form("Created vol %s", activeElem->GetName())); |
353 | activeElem->SetLineColor(kGreen); | |
820b4d9e | 354 | vol -> AddNode(activeElem, 0, new TGeoTranslation(origin[0], origin[1], origin[2])); |
355 | } | |
356 | ||
357 | } | |
358 | ||
359 | AliDebug(1, "active elements created!"); | |
360 | ||
361 | // --------- readout elements | |
362 | ||
363 | for (Int_t iReadout=0; iReadout<plane->GetNReadoutElements(); iReadout++) { | |
364 | ||
365 | Double_t dx = 0.5*TMath::Abs(plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmax() - plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmin()); | |
366 | Double_t dy = 0.5*TMath::Abs(plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmax() - plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmin()); | |
367 | Double_t dz = 0.5*TMath::Abs(plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmax() - plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmin()); | |
368 | ||
369 | origin[0] = 0.5*(plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmax() + plane->GetReadoutElement(iReadout)->GetAxis(0)->GetXmin()); | |
370 | origin[1] = 0.5*(plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmax() + plane->GetReadoutElement(iReadout)->GetAxis(1)->GetXmin()); | |
371 | origin[2] = -0.5*(plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmax() + plane->GetReadoutElement(iReadout)->GetAxis(2)->GetXmin()); | |
372 | ||
373 | TGeoVolume *readoutElem = gGeoManager->MakeBox(Form("MFT_plane%02d_readout%03d", iPlane, iReadout), readout, dx, dy, dz); | |
d4643a10 | 374 | AliDebug(2, Form("Created vol %s", readoutElem->GetName())); |
375 | readoutElem->SetLineColor(kRed); | |
820b4d9e | 376 | vol -> AddNode(readoutElem, 0, new TGeoTranslation(origin[0], origin[1], origin[2])); |
377 | ||
378 | } | |
379 | ||
380 | AliDebug(1, "readout elements created!"); | |
381 | ||
382 | } | |
383 | ||
384 | return vol; | |
385 | ||
386 | } | |
387 | ||
388 | //==================================================================================================================================================== | |
389 | ||
390 | void AliMFT::Hits2SDigits(){ | |
391 | ||
392 | // Interface method invoked from AliSimulation to create a list of sdigits corresponding to list of hits. Every hit generates one sdigit. | |
393 | ||
394 | AliDebug(1,"Start Hits2SDigits."); | |
395 | ||
396 | if (!fSegmentation) CreateGeometry(); | |
397 | ||
398 | if (!fLoader->TreeH()) fLoader->LoadHits(); | |
399 | ||
400 | if (!fLoader->TreeS()) { | |
401 | ||
402 | for (Int_t iEvt=0;iEvt<fLoader->GetRunLoader()->GetNumberOfEvents(); iEvt++) { | |
403 | ||
404 | fLoader->GetRunLoader()->GetEvent(iEvt); | |
405 | fLoader->MakeTree("S"); | |
406 | MakeBranch("S"); | |
407 | SetTreeAddress(); | |
408 | ||
409 | AliDebug(1, Form("Event %03d: fLoader->TreeH()->GetEntries() = %2d", iEvt, Int_t(fLoader->TreeH()->GetEntries()))); | |
410 | ||
411 | for (Int_t iTrack=0; iTrack<fLoader->TreeH()->GetEntries(); iTrack++) { | |
412 | fLoader->TreeH()->GetEntry(iTrack); | |
413 | Hits2SDigitsLocal(Hits(), GetSDigitsList(), iTrack); // convert these hits to a list of sdigits | |
414 | } | |
415 | ||
416 | fLoader->TreeS()->Fill(); | |
417 | fLoader->WriteSDigits("OVERWRITE"); | |
418 | ResetSDigits(); | |
419 | ||
420 | } | |
421 | } | |
422 | ||
423 | fLoader->UnloadHits(); | |
424 | fLoader->UnloadSDigits(); | |
425 | ||
426 | AliDebug(1,"Stop Hits2SDigits."); | |
427 | ||
428 | } | |
429 | ||
430 | //==================================================================================================================================================== | |
431 | ||
432 | void AliMFT::Hits2SDigitsLocal(TClonesArray *hits, const TObjArray *pSDig, Int_t track) { | |
433 | ||
434 | // Add sdigits of these hits to the list | |
435 | ||
58b93f36 | 436 | AliDebug(1, "Entering Hits2SDigitsLocal"); |
820b4d9e | 437 | |
438 | if (!fSegmentation) CreateGeometry(); | |
439 | ||
440 | TClonesArray *pSDigList[fNMaxPlanes]; | |
441 | for (Int_t iPlane=0; iPlane<fNMaxPlanes; iPlane++) pSDigList[iPlane] = NULL; | |
442 | for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) { | |
443 | pSDigList[iPlane] = (TClonesArray*) (*pSDig)[iPlane]; | |
444 | AliDebug(1,Form("Entries of pSDigList %3d; plane: %02d,",pSDigList[iPlane]->GetEntries(),iPlane)); | |
445 | if (!track && pSDigList[iPlane]->GetEntries()!=0) AliErrorClass("Some of sdigits lists is not empty"); | |
446 | } | |
447 | ||
448 | for (Int_t iHit=0; iHit<hits->GetEntries(); iHit++) { | |
449 | ||
450 | AliMFTHit *hit = (AliMFTHit*) hits->At(iHit); | |
451 | ||
58b93f36 | 452 | // Creating "main digit" |
453 | ||
454 | AliMFTDigit *mainSDigit = new AliMFTDigit(); | |
455 | mainSDigit->SetEloss(hit->GetEloss()); | |
456 | mainSDigit->SetDetElemID(hit->GetDetElemID()); | |
457 | mainSDigit->SetPlane(hit->GetPlane()); | |
458 | mainSDigit->AddMCLabel(hit->GetTrack()); | |
820b4d9e | 459 | |
460 | Int_t xPixel = -1; | |
461 | Int_t yPixel = -1; | |
58b93f36 | 462 | if (fSegmentation->Hit2PixelID(hit->X(), hit->Y(), mainSDigit->GetDetElemID(), xPixel, yPixel)) { |
463 | mainSDigit->SetPixID(xPixel, yPixel, 0); | |
464 | mainSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(mainSDigit->GetDetElemID()), | |
465 | fSegmentation->GetPixelSizeY(mainSDigit->GetDetElemID()), | |
466 | fSegmentation->GetPixelSizeZ(mainSDigit->GetDetElemID())); | |
467 | mainSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(mainSDigit->GetDetElemID(), xPixel), | |
468 | fSegmentation->GetPixelCenterY(mainSDigit->GetDetElemID(), yPixel), | |
469 | fSegmentation->GetPixelCenterZ(mainSDigit->GetDetElemID(), 0)); | |
470 | new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*mainSDigit); | |
820b4d9e | 471 | AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)", |
58b93f36 | 472 | mainSDigit->GetPixelCenterX(), mainSDigit->GetPixelCenterY(), mainSDigit->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z())); |
820b4d9e | 473 | } |
474 | ||
58b93f36 | 475 | // creating "side digits" to simulate the effect of charge dispersion |
820b4d9e | 476 | |
820b4d9e | 477 | Double_t pi4 = TMath::Pi()/4.; |
478 | for (Int_t iStep=0; iStep<fNStepForChargeDispersion; iStep++) { | |
479 | Double_t shift = (iStep+1) * fSingleStepForChargeDispersion; | |
480 | for (Int_t iAngle=0; iAngle<8; iAngle++) { | |
481 | Double_t shiftX = shift*TMath::Cos(iAngle*pi4); | |
482 | Double_t shiftY = shift*TMath::Sin(iAngle*pi4); | |
58b93f36 | 483 | if (fSegmentation->Hit2PixelID(hit->X()+shiftX, hit->Y()+shiftY, hit->GetDetElemID(), xPixel, yPixel)) { |
820b4d9e | 484 | Bool_t digitExists = kFALSE; |
58b93f36 | 485 | for (Int_t iSideDigit=0; iSideDigit<fSideDigits->GetEntries(); iSideDigit++) { |
486 | if (xPixel==((AliMFTDigit*) fSideDigits->At(iSideDigit))->GetPixelX() && | |
487 | yPixel==((AliMFTDigit*) fSideDigits->At(iSideDigit))->GetPixelY()) { | |
488 | digitExists = kTRUE; | |
489 | break; | |
820b4d9e | 490 | } |
491 | } | |
492 | if (!digitExists) { | |
58b93f36 | 493 | AliMFTDigit *sideSDigit = new AliMFTDigit(); |
494 | sideSDigit->SetEloss(0.); | |
495 | sideSDigit->SetDetElemID(hit->GetDetElemID()); | |
496 | sideSDigit->SetPlane(hit->GetPlane()); | |
497 | sideSDigit->AddMCLabel(hit->GetTrack()); | |
498 | sideSDigit->SetPixID(xPixel, yPixel, 0); | |
499 | sideSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(sideSDigit->GetDetElemID()), | |
500 | fSegmentation->GetPixelSizeY(sideSDigit->GetDetElemID()), | |
501 | fSegmentation->GetPixelSizeZ(sideSDigit->GetDetElemID())); | |
502 | sideSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(sideSDigit->GetDetElemID(), xPixel), | |
503 | fSegmentation->GetPixelCenterY(sideSDigit->GetDetElemID(), yPixel), | |
504 | fSegmentation->GetPixelCenterZ(sideSDigit->GetDetElemID(), 0)); | |
505 | new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*sideSDigit); | |
820b4d9e | 506 | } |
507 | } | |
508 | } | |
509 | } | |
58b93f36 | 510 | |
511 | // ------------ In case we should simulate a rectangular pattern of pixel... | |
512 | ||
513 | if (fSegmentation->GetPlane(mainSDigit->GetPlane())->HasPixelRectangularPatternAlongY()) { | |
514 | for (Int_t iSDigit=0; iSDigit<fSideDigits->GetEntries(); iSDigit++) { | |
515 | AliMFTDigit *mySDig = (AliMFTDigit*) (fSideDigits->At(iSDigit)); | |
bcaf50eb | 516 | if (mySDig->GetPixelX()%2 == mySDig->GetPixelY()%2) { // both pair or both odd |
58b93f36 | 517 | xPixel = mySDig->GetPixelX(); |
518 | yPixel = mySDig->GetPixelY()+1; | |
519 | if (fSegmentation->DoesPixelExist(mySDig->GetDetElemID(), xPixel, yPixel)) { | |
520 | AliMFTDigit *newSDigit = new AliMFTDigit(); | |
521 | newSDigit->SetEloss(0.); | |
522 | newSDigit->SetDetElemID(mySDig->GetDetElemID()); | |
523 | newSDigit->SetPlane(mySDig->GetDetElemID()); | |
524 | newSDigit->SetPixID(xPixel, yPixel, 0); | |
525 | newSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(newSDigit->GetDetElemID()), | |
526 | fSegmentation->GetPixelSizeY(newSDigit->GetDetElemID()), | |
527 | fSegmentation->GetPixelSizeZ(newSDigit->GetDetElemID())); | |
528 | newSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(newSDigit->GetDetElemID(), xPixel), | |
529 | fSegmentation->GetPixelCenterY(newSDigit->GetDetElemID(), yPixel), | |
530 | fSegmentation->GetPixelCenterZ(newSDigit->GetDetElemID(), 0)); | |
531 | new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*newSDigit); | |
bcaf50eb | 532 | } |
533 | } | |
534 | else { // pair-odd | |
58b93f36 | 535 | xPixel = mySDig->GetPixelX(); |
536 | yPixel = mySDig->GetPixelY()-1; | |
537 | if (fSegmentation->DoesPixelExist(mySDig->GetDetElemID(), xPixel, yPixel)) { | |
538 | AliMFTDigit *newSDigit = new AliMFTDigit(); | |
539 | newSDigit->SetEloss(0.); | |
540 | newSDigit->SetDetElemID(mySDig->GetDetElemID()); | |
541 | newSDigit->SetPlane(mySDig->GetPlane()); | |
542 | newSDigit->SetPixID(xPixel, yPixel, 0); | |
543 | newSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(newSDigit->GetDetElemID()), | |
544 | fSegmentation->GetPixelSizeY(newSDigit->GetDetElemID()), | |
545 | fSegmentation->GetPixelSizeZ(newSDigit->GetDetElemID())); | |
546 | newSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(newSDigit->GetDetElemID(), xPixel), | |
547 | fSegmentation->GetPixelCenterY(newSDigit->GetDetElemID(), yPixel), | |
548 | fSegmentation->GetPixelCenterZ(newSDigit->GetDetElemID(), 0)); | |
549 | new ((*fSideDigits)[fSideDigits->GetEntries()]) AliMFTDigit(*newSDigit); | |
bcaf50eb | 550 | } |
551 | } | |
552 | } | |
553 | } | |
58b93f36 | 554 | |
555 | // -------- checking which pixels switched on have their diode actually within the charge dispersion radius | |
556 | ||
557 | for (Int_t iSDigit=0; iSDigit<fSideDigits->GetEntries(); iSDigit++) { | |
558 | AliMFTDigit *mySDig = (AliMFTDigit*) (fSideDigits->At(iSDigit)); | |
559 | Double_t distance = TMath::Sqrt(TMath::Power(mySDig->GetPixelCenterX()-hit->X(),2) + TMath::Power(mySDig->GetPixelCenterY()-hit->Y(),2)); | |
560 | if (fSegmentation->GetPlane(mySDig->GetPlane())->HasPixelRectangularPatternAlongY()) { | |
561 | if (mySDig->GetPixelX()%2 == mySDig->GetPixelY()%2) { // both pair or both odd | |
562 | if (distance<fChargeDispersion) { | |
563 | AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)", | |
564 | mySDig->GetPixelCenterX(), mySDig->GetPixelCenterY(), mySDig->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z())); | |
565 | new ((*pSDigList[mySDig->GetPlane()])[pSDigList[mySDig->GetPlane()]->GetEntries()]) AliMFTDigit(*mySDig); | |
566 | xPixel = mySDig->GetPixelX(); | |
567 | yPixel = mySDig->GetPixelY()+1; | |
568 | if (fSegmentation->DoesPixelExist(mySDig->GetDetElemID(), xPixel, yPixel)) { | |
569 | AliMFTDigit *newSDigit = new AliMFTDigit(); | |
570 | newSDigit->SetEloss(0.); | |
571 | newSDigit->SetDetElemID(mySDig->GetDetElemID()); | |
572 | newSDigit->SetPlane(mySDig->GetPlane()); | |
573 | newSDigit->SetPixID(xPixel, yPixel, 0); | |
574 | newSDigit->SetPixWidth(fSegmentation->GetPixelSizeX(newSDigit->GetDetElemID()), | |
575 | fSegmentation->GetPixelSizeY(newSDigit->GetDetElemID()), | |
576 | fSegmentation->GetPixelSizeZ(newSDigit->GetDetElemID())); | |
577 | newSDigit->SetPixCenter(fSegmentation->GetPixelCenterX(newSDigit->GetDetElemID(), xPixel), | |
578 | fSegmentation->GetPixelCenterY(newSDigit->GetDetElemID(), yPixel), | |
579 | fSegmentation->GetPixelCenterZ(newSDigit->GetDetElemID(), 0)); | |
580 | AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)", | |
581 | newSDigit->GetPixelCenterX(), newSDigit->GetPixelCenterY(), newSDigit->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z())); | |
582 | new ((*pSDigList[newSDigit->GetPlane()])[pSDigList[newSDigit->GetPlane()]->GetEntries()]) AliMFTDigit(*newSDigit); | |
583 | } | |
584 | } | |
585 | } | |
586 | } | |
587 | else { | |
588 | if (distance<fChargeDispersion) { | |
589 | AliDebug(1, Form("Created new sdigit (%f, %f, %f) from hit (%f, %f, %f)", | |
590 | mySDig->GetPixelCenterX(), mySDig->GetPixelCenterY(), mySDig->GetPixelCenterZ(), hit->X(), hit->Y(), hit->Z())); | |
591 | new ((*pSDigList[mySDig->GetPlane()])[pSDigList[mySDig->GetPlane()]->GetEntries()]) AliMFTDigit(*mySDig); | |
592 | } | |
593 | } | |
594 | } | |
595 | ||
596 | fSideDigits->Delete(); | |
597 | ||
bcaf50eb | 598 | } |
599 | ||
58b93f36 | 600 | AliDebug(1,"Exiting Hits2SDigitsLocal"); |
820b4d9e | 601 | |
602 | } | |
603 | ||
604 | //==================================================================================================================================================== | |
605 | ||
606 | void AliMFT::MakeBranch(Option_t *option) { | |
607 | ||
820b4d9e | 608 | // Create Tree branches |
609 | AliDebug(1, Form("Start with option= %s.",option)); | |
610 | ||
611 | const Int_t kBufSize = 4000; | |
612 | ||
613 | const Char_t *cH = strstr(option,"H"); | |
614 | const Char_t *cD = strstr(option,"D"); | |
615 | const Char_t *cS = strstr(option,"S"); | |
616 | ||
617 | if (cH && fLoader->TreeH()) { | |
618 | CreateHits(); | |
619 | MakeBranchInTree(fLoader->TreeH(), "MFT", &fHits, kBufSize, 0); | |
620 | } | |
621 | ||
622 | if (cS && fLoader->TreeS()) { | |
623 | CreateSDigits(); | |
624 | for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) MakeBranchInTree(fLoader->TreeS(), | |
625 | Form("Plane_%02d",iPlane), | |
626 | &((*fSDigitsPerPlane)[iPlane]), | |
627 | kBufSize, 0); | |
628 | } | |
629 | ||
630 | if (cD && fLoader->TreeD()) { | |
631 | CreateDigits(); | |
632 | for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) MakeBranchInTree(fLoader->TreeD(), | |
633 | Form("Plane_%02d",iPlane), | |
634 | &((*fDigitsPerPlane)[iPlane]), | |
635 | kBufSize, 0); | |
636 | } | |
637 | ||
638 | AliDebug(1,"Stop."); | |
639 | ||
640 | } | |
641 | ||
642 | //==================================================================================================================================================== | |
643 | ||
644 | void AliMFT::SetTreeAddress() { | |
645 | ||
646 | AliDebug(1, "AliMFT::SetTreeAddress()"); | |
647 | ||
648 | //Set branch address for the Hits and Digits Tree. | |
649 | AliDebug(1, "Start."); | |
650 | ||
651 | AliDebug(1, Form("AliMFT::SetTreeAddress Hits fLoader->TreeH() = %p\n", fLoader->TreeH())); | |
652 | if (fLoader->TreeH() && fLoader->TreeH()->GetBranch("MFT")) { | |
653 | CreateHits(); | |
654 | fLoader->TreeH()->SetBranchAddress("MFT", &fHits); | |
655 | } | |
656 | ||
657 | AliDebug(1, Form("AliMFT::SetTreeAddress SDigits fLoader->TreeS() = %p\n", fLoader->TreeS())); | |
658 | if (fLoader->TreeS() && fLoader->TreeS()->GetBranch("Plane_00")) { | |
659 | CreateSDigits(); | |
660 | for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) { | |
661 | fLoader->TreeS()->SetBranchAddress(Form("Plane_%02d",iPlane), &((*fSDigitsPerPlane)[iPlane])); | |
662 | } | |
663 | } | |
664 | ||
665 | AliDebug(1, Form("AliMFT::SetTreeAddress Digits fLoader->TreeD() = %p\n", fLoader->TreeD())); | |
666 | if (fLoader->TreeD() && fLoader->TreeD()->GetBranch("Plane_00")) { | |
667 | CreateDigits(); | |
668 | for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) { | |
669 | fLoader->TreeD()->SetBranchAddress(Form("Plane_%02d",iPlane), &((*fDigitsPerPlane)[iPlane])); | |
670 | } | |
671 | } | |
672 | ||
673 | AliDebug(1, Form("AliMFT::SetTreeAddress RecPoints fLoader->TreeR() = %p\n", fLoader->TreeR())); | |
674 | if (fLoader->TreeR() && fLoader->TreeR()->GetBranch("Plane_00")) { | |
675 | CreateRecPoints(); | |
676 | for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) { | |
677 | fLoader->TreeR()->SetBranchAddress(Form("Plane_%02d",iPlane), &((*fRecPointsPerPlane)[iPlane])); | |
678 | } | |
679 | } | |
680 | ||
681 | AliDebug(1,"Stop."); | |
682 | ||
683 | } | |
684 | ||
685 | //==================================================================================================================================================== | |
686 | ||
687 | void AliMFT::SetGeometry() { | |
688 | ||
ffc53def | 689 | AliInfo("AliMFT::SetGeometry\n"); |
820b4d9e | 690 | |
691 | fSegmentation = new AliMFTSegmentation(fNameGeomFile.Data()); | |
692 | ||
693 | fNPlanes = fSegmentation->GetNPlanes(); | |
694 | ||
695 | } | |
696 | ||
697 | //==================================================================================================================================================== | |
698 | ||
699 | void AliMFT::CreateHits() { | |
700 | ||
701 | // create array of hits | |
702 | ||
703 | AliDebug(1, "AliMFT::CreateHits()"); | |
704 | ||
705 | if (fHits) return; | |
706 | fHits = new TClonesArray("AliMFTHit"); | |
707 | ||
708 | } | |
709 | ||
710 | //==================================================================================================================================================== | |
711 | ||
712 | void AliMFT::CreateSDigits() { | |
713 | ||
714 | // create sdigits list | |
715 | ||
716 | AliDebug(1, "AliMFT::CreateSDigits()"); | |
717 | ||
718 | if (fSDigitsPerPlane) return; | |
719 | fSDigitsPerPlane = new TObjArray(fNPlanes); | |
720 | for (Int_t iPlane=0; iPlane<fNPlanes; iPlane++) fSDigitsPerPlane->AddAt(new TClonesArray("AliMFTDigit"), iPlane); | |
721 | ||
722 | fSideDigits = new TClonesArray("AliMFTDigit"); | |
723 | ||
724 | } | |
725 | ||
726 | //==================================================================================================================================================== | |
727 | ||
728 | void AliMFT::CreateDigits() { | |
729 | ||
730 | // create digits list | |
731 | ||
732 | AliDebug(1, "AliMFT::CreateDigits()"); | |
733 | ||
734 | if (fDigitsPerPlane) return; | |
735 | fDigitsPerPlane = new TObjArray(fNPlanes); | |
736 | for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) fDigitsPerPlane->AddAt(new TClonesArray("AliMFTDigit"), iPlane); | |
737 | ||
738 | } | |
739 | ||
740 | //==================================================================================================================================================== | |
741 | ||
742 | void AliMFT::CreateRecPoints() { | |
743 | ||
744 | // create recPoints list | |
745 | ||
746 | AliDebug(1, "AliMFT::CreateRecPoints()"); | |
747 | ||
748 | if (fRecPointsPerPlane) return; | |
749 | fRecPointsPerPlane = new TObjArray(fNPlanes); | |
750 | for(Int_t iPlane=0; iPlane<fNPlanes; iPlane++) fRecPointsPerPlane->AddAt(new TClonesArray("AliMFTCluster"), iPlane); | |
751 | ||
752 | } | |
753 | ||
754 | //==================================================================================================================================================== |