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451f5018 | 1 | /************************************************************************** |
2 | * Copyright(c) 2007-2009, 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 | /* $Id: AliITSUv11.cxx */ | |
18 | ||
19 | ||
20 | //======================================================================== | |
21 | // | |
22 | // Geometry for the Upgrade of the Inner Tracking System | |
23 | // | |
24 | // Mario Sitta (sitta@to.infn.it) | |
25 | // | |
26 | //======================================================================== | |
27 | ||
28 | ||
29 | ||
30 | // $Log: AliITSUv11.cxx,v $ | |
31 | ||
32 | #include <TClonesArray.h> | |
33 | #include <TGeoGlobalMagField.h> | |
34 | #include <TGeoManager.h> | |
35 | #include <TGeoMatrix.h> | |
36 | #include <TGeoPhysicalNode.h> | |
37 | #include <TGeoVolume.h> | |
38 | #include <TGeoXtru.h> | |
39 | #include <TLorentzVector.h> | |
40 | #include <TString.h> | |
41 | #include <TVirtualMC.h> | |
42 | ||
43 | #include "AliITSU.h" | |
44 | #include "AliITSUHit.h" | |
45 | #include "AliLog.h" | |
46 | #include "AliMC.h" | |
47 | #include "AliMagF.h" | |
48 | #include "AliRun.h" | |
49 | #include "AliTrackReference.h" | |
50 | #include "AliITSv11Geometry.h" | |
51 | #include "AliITSUv11Layer.h" | |
52 | #include "AliITSv11GeomBeamPipe.h" | |
53 | #include "AliITSUv11.h" | |
54 | #include "AliITSUGeomTGeo.h" | |
55 | #include "AliGeomManager.h" | |
56 | ||
57 | const Double_t AliITSUv11::fgkBeamPipeHalfZLen = 400; | |
58 | ||
59 | ||
60 | ClassImp(AliITSUv11) | |
61 | ||
62 | //______________________________________________________________________ | |
63 | AliITSUv11::AliITSUv11() | |
64 | : fLayTurbo(0) | |
65 | ,fLayRadii(0) | |
66 | ,fLayZLength(0) | |
67 | ,fLaddPerLay(0) | |
68 | ,fModPerLadd(0) | |
69 | ,fLadThick(0) | |
70 | ,fLadWidth(0) | |
71 | ,fLadTilt(0) | |
72 | ,fDetThick(0) | |
73 | ,fDetTypeID(0) | |
74 | ,fBeamPipe(0) | |
75 | ,fBeamPipeRmin(0) | |
76 | ,fBeamPipeRmax(0) | |
77 | ,fBeamPipeZlen(0) | |
78 | ,fUpGeom(0) | |
79 | ,fBPGeom(0) | |
80 | { | |
81 | // Standard default constructor | |
82 | // Inputs: | |
83 | // none. | |
84 | // Outputs: | |
85 | // none. | |
86 | // Return: | |
87 | // none. | |
88 | } | |
89 | ||
90 | //______________________________________________________________________ | |
91 | AliITSUv11::AliITSUv11(const char *title,const Int_t nlay) | |
92 | :AliITSU(title,nlay) | |
93 | ,fLayTurbo(0) | |
94 | ,fLayRadii(0) | |
95 | ,fLayZLength(0) | |
96 | ,fLaddPerLay(0) | |
97 | ,fModPerLadd(0) | |
98 | ,fLadThick(0) | |
99 | ,fLadWidth(0) | |
100 | ,fLadTilt(0) | |
101 | ,fDetThick(0) | |
102 | ,fDetTypeID(0) | |
103 | ,fBeamPipe(0) | |
104 | ,fBeamPipeRmin(0) | |
105 | ,fBeamPipeRmax(0) | |
106 | ,fBeamPipeZlen(0) | |
107 | ,fUpGeom(0) | |
108 | ,fBPGeom(0) | |
109 | { | |
110 | // Standard constructor for the Upgrade geometry. | |
111 | // Inputs: | |
112 | // const char * name Ignored, set to "ITS" | |
113 | // const char * title Arbitrary title | |
114 | // const Int_t nlay Number of layers | |
115 | // | |
116 | fLayerName = new TString[fNLayers]; | |
117 | // | |
118 | for (Int_t j=0; j<fNLayers; j++) fLayerName[j].Form("%s%d",AliITSUGeomTGeo::GetITSSensorPattern(),j+1); // See AliITSUv11Layer | |
119 | // | |
120 | fLayTurbo = new Bool_t[fNLayers]; | |
121 | fLayRadii = new Double_t[fNLayers]; | |
122 | fLayZLength = new Double_t[fNLayers]; | |
123 | fLaddPerLay = new Int_t[fNLayers]; | |
124 | fModPerLadd = new Int_t[fNLayers]; | |
125 | fLadThick = new Double_t[fNLayers]; | |
126 | fLadWidth = new Double_t[fNLayers]; | |
127 | fLadTilt = new Double_t[fNLayers]; | |
128 | fDetThick = new Double_t[fNLayers]; | |
129 | fDetTypeID = new UInt_t[fNLayers]; | |
130 | ||
131 | fUpGeom = new AliITSUv11Layer*[fNLayers]; | |
132 | ||
133 | if (fNLayers > 0) { // if not, we'll Fatal-ize in CreateGeometry | |
134 | for (Int_t j=0; j<fNLayers; j++) { | |
135 | fLayRadii[j] = 0.; | |
136 | fLayZLength[j] = 0.; | |
137 | fLaddPerLay[j] = 0; | |
138 | fModPerLadd[j] = 0; | |
139 | fLadWidth[j] = 0.; | |
140 | fDetThick[j] = 0.; | |
141 | fDetTypeID[j] = 0.; | |
142 | fUpGeom[j] = 0; | |
143 | } | |
144 | } | |
145 | } | |
146 | ||
147 | //______________________________________________________________________ | |
148 | AliITSUv11::~AliITSUv11() { | |
149 | // Standard destructor | |
150 | // Inputs: | |
151 | // none. | |
152 | // Outputs: | |
153 | // none. | |
154 | // Return: | |
155 | // none. | |
156 | delete [] fLayTurbo; | |
157 | delete [] fLayRadii; | |
158 | delete [] fLayZLength; | |
159 | delete [] fLaddPerLay; | |
160 | delete [] fModPerLadd; | |
161 | delete [] fLadThick; | |
162 | delete [] fLadWidth; | |
163 | delete [] fLadTilt; | |
164 | delete [] fDetThick; | |
165 | delete [] fDetTypeID; | |
166 | delete [] fUpGeom; | |
167 | ||
168 | } | |
169 | ||
170 | //______________________________________________________________________ | |
171 | void AliITSUv11::SetT2Lmatrix(Int_t uid, Double_t yShift, | |
172 | Bool_t yFlip, Bool_t yRot180) const { | |
173 | ||
174 | // | |
175 | // Creates the TGeo Local to Tracking transformation matrix | |
176 | // and sends it to the corresponding TGeoPNEntry | |
177 | // | |
178 | // This function is used in AddAlignableVolumes() | |
179 | ||
180 | TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(uid); | |
181 | TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig(); | |
182 | ||
183 | Double_t *gtrans = globMatrix->GetTranslation(), rotMatrix[9]; | |
184 | memcpy(&rotMatrix[0], globMatrix->GetRotationMatrix(), 9*sizeof(Double_t)); | |
185 | Double_t al = TMath::ATan2(rotMatrix[1],rotMatrix[0]); | |
186 | if (yRot180) { | |
187 | al = TMath::ATan2(rotMatrix[1],-rotMatrix[0]); | |
188 | } | |
189 | Double_t xShift = gtrans[0]*TMath::Cos(al)+gtrans[1]*TMath::Sin(al); | |
190 | Double_t zShift = -gtrans[2]; | |
191 | ||
192 | TGeoHMatrix *matLtoT = new TGeoHMatrix; | |
193 | matLtoT->SetDx( xShift ); // translation | |
194 | matLtoT->SetDy( yShift ); | |
195 | matLtoT->SetDz( zShift ); | |
196 | rotMatrix[0]= 0; rotMatrix[1]= 1; rotMatrix[2]= 0; // + rotation | |
197 | rotMatrix[3]= 1; rotMatrix[4]= 0; rotMatrix[5]= 0; | |
198 | rotMatrix[6]= 0; rotMatrix[7]= 0; rotMatrix[8]=-1; | |
199 | if (yFlip) rotMatrix[3] = -1; // flipping in y (for SPD1) | |
200 | if (yFlip) rotMatrix[1] = -1; // flipping in y (for SPD1) | |
201 | ||
202 | if (yRot180) { // rotation of pi around the axis perpendicular to the wafer | |
203 | if (yFlip) matLtoT->SetDx( -xShift ); // flipping in y (for SPD1) | |
204 | matLtoT->SetDy( -yShift ); | |
205 | matLtoT->SetDz( -zShift ); | |
206 | rotMatrix[8]=1; | |
207 | rotMatrix[3] = -1; | |
208 | if (yFlip) rotMatrix[3] = 1; // flipping in y (for SPD1) | |
209 | } | |
210 | ||
211 | TGeoRotation rot; | |
212 | rot.SetMatrix(rotMatrix); | |
213 | matLtoT->MultiplyLeft(&rot); | |
214 | TGeoHMatrix *matTtoL = new TGeoHMatrix(matLtoT->Inverse()); | |
215 | delete matLtoT; | |
216 | alignableEntry->SetMatrix(matTtoL); | |
217 | } | |
218 | ||
219 | //______________________________________________________________________ | |
220 | void AliITSUv11::AddAlignableVolumes() const{ | |
221 | // Creates entries for alignable volumes associating the symbolic volume | |
222 | // name with the corresponding volume path. | |
223 | // | |
224 | // Records in the alignable entries the transformation matrices converting | |
225 | // TGeo local coordinates (in the RS of alignable volumes) to the tracking | |
226 | // system | |
227 | // For this, this function has to run before the misalignment because we | |
228 | // are using the ideal positions in the AliITSgeom object. | |
229 | // Inputs: | |
230 | // none. | |
231 | // Outputs: | |
232 | // none. | |
233 | // Return: | |
234 | // none. | |
235 | ||
236 | AliInfo("Add ITS alignable volumes"); | |
237 | ||
238 | if (!gGeoManager) { AliFatal("TGeoManager doesn't exist !"); return; } | |
239 | TString pth,snm; | |
240 | // | |
241 | pth = Form("ALIC_1/%s_2",AliITSUGeomTGeo::GetITSVolPattern()); | |
242 | // RS: to be checked with MS | |
243 | if( !gGeoManager->SetAlignableEntry("ITS",pth.Data()) ) | |
244 | AliFatal(Form("Unable to set alignable entry ! %s :: %s","ITS",pth.Data())); | |
245 | // | |
246 | for (int lr=0; lr<fNLayers; lr++) { | |
247 | // | |
248 | pth = Form("ALIC_1/%s_2/%s%d_1",AliITSUGeomTGeo::GetITSVolPattern(),AliITSUGeomTGeo::GetITSLayerPattern(),lr+1); | |
249 | snm = Form("ITS/%s%d",AliITSUGeomTGeo::GetITSLayerPattern(),lr+1); | |
250 | //printf("SetAlignable: %s %s\n",snm.Data(),pth.Data()); | |
251 | gGeoManager->SetAlignableEntry(snm.Data(),pth.Data()); | |
252 | int modNum = 0; | |
253 | // | |
254 | for (int ld=0; ld<fLaddPerLay[lr]; ld++) { | |
255 | // | |
256 | TString pthL = Form("%s/%s%d_%d",pth.Data(),AliITSUGeomTGeo::GetITSLadderPattern(),lr+1,ld+1); | |
257 | TString snmL = Form("%s/%s%d",snm.Data(),AliITSUGeomTGeo::GetITSLadderPattern(),ld+1); | |
258 | //printf("SetAlignable: %s %s\n",snmL.Data(),pthL.Data()); | |
259 | gGeoManager->SetAlignableEntry(snmL.Data(),pthL.Data()); | |
260 | // | |
261 | for (int md=0; md<fModPerLadd[lr]; md++) { | |
262 | // | |
263 | TString pthM = Form("%s/%s%d_%d",pthL.Data(),AliITSUGeomTGeo::GetITSModulePattern(),lr+1,md+1); | |
264 | TString snmM = Form("%s/%s%d",snmL.Data(),AliITSUGeomTGeo::GetITSModulePattern(),md+1); | |
265 | // | |
266 | int modUID = AliGeomManager::LayerToVolUID(lr+1,modNum++); | |
267 | // | |
268 | //printf("SetAlignable (UID=%d, ModNum=%d): %s %s\n",modUID,modNum-1,snmM.Data(),pthM.Data()); | |
269 | gGeoManager->SetAlignableEntry(snmM.Data(),pthM.Data(),modUID); | |
270 | // | |
271 | double yshift = -(fUpGeom[lr]->GetSensorThick()-fUpGeom[lr]->GetLadderThick())/2; | |
272 | SetT2Lmatrix(modUID,yshift, kTRUE,kTRUE); // RS: do we need here special matrix, ask MS | |
273 | // | |
274 | } | |
275 | } | |
276 | } | |
277 | // | |
278 | } | |
279 | ||
280 | //______________________________________________________________________ | |
281 | void AliITSUv11::AddBeamPipe(const Double_t rmin, const Double_t rmax, | |
282 | const Double_t halfzlen) { | |
283 | ||
284 | // Define the parameters for the beam pipe | |
285 | if (fBeamPipe) | |
286 | AliWarning("Redefining beam pipe parameters"); | |
287 | ||
288 | if (rmin <= 0) { | |
289 | AliError(Form("Beam pipe min radius (%f) wrong",rmin)); | |
290 | return; | |
291 | } else | |
292 | fBeamPipeRmin = rmin; | |
293 | ||
294 | if (rmax <= 0) { | |
295 | AliError(Form("Beam pipe max radius (%f) wrong",rmax)); | |
296 | return; | |
297 | } else | |
298 | fBeamPipeRmax = rmax; | |
299 | ||
300 | if (halfzlen < 0) { | |
301 | AliError(Form("Beam pipe half Zlength (%f) wrong",halfzlen)); | |
302 | return; | |
303 | } else { | |
304 | if (halfzlen == 0) // Use default value | |
305 | fBeamPipeZlen = fgkBeamPipeHalfZLen; | |
306 | else | |
307 | fBeamPipeZlen = halfzlen; | |
308 | } | |
309 | ||
310 | fBeamPipe = kTRUE; | |
311 | } | |
312 | ||
313 | //______________________________________________________________________ | |
314 | void AliITSUv11::CreateGeometry() { | |
315 | ||
316 | // Create the geometry and insert it in the mother volume ITSV | |
317 | TGeoManager *geoManager = gGeoManager; | |
318 | ||
319 | TGeoVolume *vALIC = geoManager->GetVolume("ALIC"); | |
320 | ||
321 | new TGeoVolumeAssembly(AliITSUGeomTGeo::GetITSVolPattern()); | |
322 | TGeoVolume *vITSV = geoManager->GetVolume(AliITSUGeomTGeo::GetITSVolPattern()); | |
323 | vALIC->AddNode(vITSV, 2, 0); // Copy number is 2 to cheat AliGeoManager::CheckSymNamesLUT | |
324 | ||
325 | // | |
326 | const Int_t kLength=100; | |
327 | Char_t vstrng[kLength] = "xxxRS"; //? | |
328 | vITSV->SetTitle(vstrng); | |
329 | // | |
330 | // Check that we have all needed parameters | |
331 | if (fNLayers <= 0) AliFatal(Form("Wrong number of layers (%d)",fNLayers)); | |
332 | // | |
333 | for (Int_t j=0; j<fNLayers; j++) { | |
334 | if (fLayRadii[j] <= 0) AliFatal(Form("Wrong layer radius for layer %d (%f)",j,fLayRadii[j])); | |
335 | if (fLayZLength[j] <= 0) AliFatal(Form("Wrong layer length for layer %d (%f)",j,fLayZLength[j])); | |
336 | if (fLaddPerLay[j] <= 0) AliFatal(Form("Wrong number of ladders for layer %d (%d)",j,fLaddPerLay[j])); | |
337 | if (fModPerLadd[j] <= 0) AliFatal(Form("Wrong number of modules for layer %d (%d)",j,fModPerLadd[j])); | |
338 | if (fLadThick[j] < 0) AliFatal(Form("Wrong ladder thickness for layer %d (%f)",j,fLadThick[j])); | |
339 | if (fLayTurbo[j] && fLadWidth[j] <= 0) AliFatal(Form("Wrong ladder width for layer %d (%f)",j,fLadWidth[j])); | |
340 | if (fDetThick[j] < 0) AliFatal(Form("Wrong module thickness for layer %d (%f)",j,fDetThick[j])); | |
341 | // | |
342 | if (j > 0) { | |
343 | if (fLayRadii[j]<=fLayRadii[j-1]) AliFatal(Form("Layer %d radius (%f) is smaller than layer %d radius (%f)", | |
344 | j,fLayRadii[j],j-1,fLayRadii[j-1])); | |
345 | if (fLayZLength[j]<=fLayZLength[j-1]) AliFatal(Form("Layer %d length (%f) is smaller than layer %d length (%f)", | |
346 | j,fLayZLength[j],j-1,fLayZLength[j-1])); | |
347 | } // if (j > 0) | |
348 | ||
349 | if (fLadThick[j] == 0) AliInfo(Form("Ladder thickness for layer %d not set, using default",j)); | |
350 | if (fDetThick[j] == 0) AliInfo(Form("Module thickness for layer %d not set, using default",j)); | |
351 | ||
352 | } // for (Int_t j=0; j<fNLayers; j++) | |
353 | ||
354 | // Now create the actual geometry | |
355 | for (Int_t j=0; j<fNLayers; j++) { | |
356 | if (fLayTurbo[j]) { | |
357 | fUpGeom[j] = new AliITSUv11Layer(j,kTRUE,kFALSE); | |
358 | fUpGeom[j]->SetLadderWidth(fLadWidth[j]); | |
359 | fUpGeom[j]->SetLadderTilt(fLadTilt[j]); | |
360 | } | |
361 | else fUpGeom[j] = new AliITSUv11Layer(j,kFALSE); | |
362 | // | |
363 | fUpGeom[j]->SetRadius(fLayRadii[j]); | |
364 | fUpGeom[j]->SetZLength(fLayZLength[j]); | |
365 | fUpGeom[j]->SetNLadders(fLaddPerLay[j]); | |
366 | fUpGeom[j]->SetNModules(fModPerLadd[j]); | |
367 | fUpGeom[j]->SetDetType(fDetTypeID[j]); | |
368 | // | |
369 | if (fLadThick[j] != 0) fUpGeom[j]->SetLadderThick(fLadThick[j]); | |
370 | if (fDetThick[j] != 0) fUpGeom[j]->SetSensorThick(fDetThick[j]); | |
371 | fUpGeom[j]->CreateLayer(vITSV); | |
372 | } | |
373 | // | |
374 | // Finally add the beam pipe | |
375 | if (fBeamPipe) { | |
376 | fBPGeom = new AliITSv11GeomBeamPipe(fBeamPipeRmin, fBeamPipeRmax,fBeamPipeZlen, kFALSE); | |
377 | fBPGeom->CreateBeamPipe(vALIC); // We put the BP in the ALIC volume | |
378 | } | |
379 | } | |
380 | ||
381 | //______________________________________________________________________ | |
382 | void AliITSUv11::CreateMaterials() { | |
383 | // Create ITS materials | |
384 | // This function defines the default materials used in the Geant | |
385 | // Monte Carlo simulations for the geometries AliITSv1, AliITSv3, | |
386 | // AliITSv11Hybrid. | |
387 | // In general it is automatically replaced by | |
388 | // the CreateMaterials routine defined in AliITSv?. Should the function | |
389 | // CreateMaterials not exist for the geometry version you are using this | |
390 | // one is used. See the definition found in AliITSv5 or the other routine | |
391 | // for a complete definition. | |
392 | // Inputs: | |
393 | // none. | |
394 | // Outputs: | |
395 | // none. | |
396 | // Return: | |
397 | // none. | |
398 | ||
399 | Int_t ifield = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); | |
400 | Float_t fieldm = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
401 | ||
402 | Float_t tmaxfd = 0.1; // 1.0; // Degree | |
403 | Float_t stemax = 1.0; // cm | |
404 | Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1 | |
405 | Float_t epsil = 1.0E-4; // 1.0; // cm | |
406 | Float_t stmin = 0.0; // cm "Default value used" | |
407 | ||
408 | Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree | |
409 | Float_t stemaxSi = 0.0075; // .10000E+01; // cm | |
410 | Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1 | |
411 | Float_t epsilSi = 1.0E-4;// .10000E+01; | |
412 | Float_t stminSi = 0.0; // cm "Default value used" | |
413 | ||
414 | Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree | |
415 | Float_t stemaxAir = .10000E+01; // cm | |
416 | Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1 | |
417 | Float_t epsilAir = 1.0E-4;// .10000E+01; | |
418 | Float_t stminAir = 0.0; // cm "Default value used" | |
419 | ||
420 | // AIR | |
421 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
422 | Float_t zAir[4]={6.,7.,8.,18.}; | |
423 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
424 | Float_t dAir = 1.20479E-3; | |
425 | ||
426 | ||
427 | AliMaterial(1,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03); | |
428 | AliMedium(1,"SI$",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi); | |
429 | ||
430 | AliMixture(5,"AIR$",aAir,zAir,dAir,4,wAir); | |
431 | AliMedium(5,"AIR$",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir); | |
432 | ||
433 | AliMaterial(8,"BERILLIUM$",9.01, 4., 1.848, 35.3, 36.7);// From AliPIPEv3 | |
434 | AliMedium(8,"BERILLIUM$",8,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin); | |
435 | ||
436 | } | |
437 | ||
438 | //______________________________________________________________________ | |
439 | void AliITSUv11::DefineLayer(const Int_t nlay, const Double_t r, | |
440 | const Double_t zlen, const Int_t nladd, | |
441 | const Int_t nmod, const Double_t lthick, | |
442 | const Double_t dthick, const UInt_t dettypeID) | |
443 | { | |
444 | // Sets the layer parameters | |
445 | // Inputs: | |
446 | // nlay layer number | |
447 | // r layer radius | |
448 | // zlen layer length | |
449 | // nladd number of ladders | |
450 | // nmod number of modules per ladder | |
451 | // lthick ladder thickness (if omitted, defaults to 0) | |
452 | // dthick detector thickness (if omitted, defaults to 0) | |
453 | // Outputs: | |
454 | // none. | |
455 | // Return: | |
456 | // none. | |
457 | ||
458 | if (nlay >= fNLayers || nlay < 0) { | |
459 | AliError(Form("Wrong layer number (%d)",nlay)); | |
460 | return; | |
461 | } | |
462 | ||
463 | fLayTurbo[nlay] = kFALSE; | |
464 | fLayRadii[nlay] = r; | |
465 | fLayZLength[nlay] = zlen; | |
466 | fLaddPerLay[nlay] = nladd; | |
467 | fModPerLadd[nlay] = nmod; | |
468 | fLadThick[nlay] = lthick; | |
469 | fDetThick[nlay] = dthick; | |
470 | fDetTypeID[nlay] = dettypeID; | |
471 | ||
472 | } | |
473 | ||
474 | //______________________________________________________________________ | |
475 | void AliITSUv11::DefineLayerTurbo(const Int_t nlay, const Double_t r, | |
476 | const Double_t zlen, const Int_t nladd, | |
477 | const Int_t nmod, const Double_t width, | |
478 | const Double_t tilt, | |
479 | const Double_t lthick, | |
480 | const Double_t dthick, | |
481 | const UInt_t dettypeID) | |
482 | { | |
483 | // Sets the layer parameters for a "turbo" layer | |
484 | // (i.e. a layer whose ladders overlap in phi) | |
485 | // Inputs: | |
486 | // nlay layer number | |
487 | // r layer radius | |
488 | // zlen layer length | |
489 | // nladd number of ladders | |
490 | // nmod number of modules per ladder | |
491 | // width layer width | |
492 | // tilt layer tilt angle (degrees) | |
493 | // lthick ladder thickness (if omitted, defaults to 0) | |
494 | // dthick detector thickness (if omitted, defaults to 0) | |
495 | // Outputs: | |
496 | // none. | |
497 | // Return: | |
498 | // none. | |
499 | ||
500 | if (nlay >= fNLayers || nlay < 0) { | |
501 | AliError(Form("Wrong layer number (%d)",nlay)); | |
502 | return; | |
503 | } | |
504 | ||
505 | fLayTurbo[nlay] = kTRUE; | |
506 | fLayRadii[nlay] = r; | |
507 | fLayZLength[nlay] = zlen; | |
508 | fLaddPerLay[nlay] = nladd; | |
509 | fModPerLadd[nlay] = nmod; | |
510 | fLadThick[nlay] = lthick; | |
511 | fLadWidth[nlay] = width; | |
512 | fLadTilt[nlay] = tilt; | |
513 | fDetThick[nlay] = dthick; | |
514 | fDetTypeID[nlay] = dettypeID; | |
515 | // | |
516 | } | |
517 | ||
518 | //______________________________________________________________________ | |
519 | void AliITSUv11::GetBeamPipeParameters(Double_t &rmin, Double_t &rmax, | |
520 | Double_t &hzlen){ | |
521 | // Gets the beam pipe parameters | |
522 | // Inputs: | |
523 | // none. | |
524 | // Outputs: | |
525 | // rmin min radius | |
526 | // rmax max radius | |
527 | // hzlen half Z length | |
528 | // Return: | |
529 | // none. | |
530 | ||
531 | rmin = fBeamPipeRmin; | |
532 | rmax = fBeamPipeRmax; | |
533 | hzlen = fBeamPipeZlen; | |
534 | ||
535 | } | |
536 | ||
537 | //______________________________________________________________________ | |
538 | void AliITSUv11::GetLayerParameters(const Int_t nlay, | |
539 | Double_t &r, Double_t &zlen, | |
540 | Int_t &nladd, Int_t &nmod, | |
541 | Double_t &width, Double_t &tilt, | |
542 | Double_t <hick, Double_t &dthick){ | |
543 | // Gets the layer parameters | |
544 | // Inputs: | |
545 | // nlay layer number | |
546 | // Outputs: | |
547 | // r layer radius | |
548 | // zlen layer length | |
549 | // nladd number of ladders | |
550 | // nmod number of modules per ladder | |
551 | // width ladder width | |
552 | // tilt ladder tilt angle | |
553 | // lthick ladder thickness | |
554 | // dthick detector thickness | |
555 | // Return: | |
556 | // none. | |
557 | ||
558 | if (nlay >= fNLayers || nlay < 0) { | |
559 | AliError(Form("Wrong layer number (%d)",nlay)); | |
560 | return; | |
561 | } | |
562 | ||
563 | r = fLayRadii[nlay]; | |
564 | zlen = fLayZLength[nlay]; | |
565 | nladd = fLaddPerLay[nlay]; | |
566 | nmod = fModPerLadd[nlay]; | |
567 | width = fLadWidth[nlay]; | |
568 | tilt = fLadTilt[nlay]; | |
569 | lthick = fLadThick[nlay]; | |
570 | dthick = fDetThick[nlay]; | |
571 | } | |
572 | ||
573 | //______________________________________________________________________ | |
574 | void AliITSUv11::Init() | |
575 | { | |
576 | // Initialise the ITS after it has been created. | |
577 | UpdateInternalGeometry(); | |
578 | AliITSU::Init(); | |
579 | ||
580 | } | |
581 | ||
582 | //______________________________________________________________________ | |
583 | Bool_t AliITSUv11::IsLayerTurbo(const Int_t nlay) | |
584 | { | |
585 | // Returns true if the layer is a "turbo" layer | |
586 | if ( nlay < 0 || nlay > fNLayers ) { | |
587 | AliError(Form("Wrong layer number %d",nlay)); | |
588 | return kFALSE; | |
589 | } | |
590 | else return fUpGeom[nlay]->IsTurbo(); | |
591 | } | |
592 | ||
593 | //______________________________________________________________________ | |
594 | void AliITSUv11::SetDefaults() | |
595 | { | |
596 | // sets the default segmentation, response, digit and raw cluster classes | |
597 | } | |
598 | ||
599 | //______________________________________________________________________ | |
600 | void AliITSUv11::StepManager() | |
601 | { | |
602 | // Called for every step in the ITS, then calles the AliITSUHit class | |
603 | // creator with the information to be recoreded about that hit. | |
604 | // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the | |
605 | // printing of information to a file which can be used to create a .det | |
606 | // file read in by the routine CreateGeometry(). If set to 0 or any other | |
607 | // value except 1, the default behavior, then no such file is created nor | |
608 | // it the extra variables and the like used in the printing allocated. | |
609 | // Inputs: | |
610 | // none. | |
611 | // Outputs: | |
612 | // none. | |
613 | // Return: | |
614 | // none. | |
615 | if(!(this->IsActive())) return; | |
616 | if(!(gMC->TrackCharge())) return; | |
617 | // | |
618 | Int_t copy, lay = 0; | |
619 | Int_t id = gMC->CurrentVolID(copy); | |
620 | ||
621 | Bool_t notSens = kFALSE; | |
622 | while ((lay<fNLayers) && (notSens = (id!=fIdSens[lay]))) ++lay; | |
623 | //printf("R: %.1f | Lay: %d NotSens: %d\n",positionRS.Pt(), lay, notSens); | |
624 | ||
625 | if (notSens) return; | |
626 | ||
627 | if(gMC->IsTrackExiting()) { | |
628 | AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kITS); | |
629 | } // if Outer ITS mother Volume | |
630 | ||
631 | static TLorentzVector position, momentum; // Saves on calls to construtors | |
632 | static AliITSUHit hit;// Saves on calls to constructors | |
633 | ||
634 | TClonesArray &lhits = *(Hits()); | |
635 | Int_t cpn0, cpn1, mod, status = 0; | |
636 | // | |
637 | // Track status | |
638 | if(gMC->IsTrackInside()) status += 1; | |
639 | if(gMC->IsTrackEntering()) status += 2; | |
640 | if(gMC->IsTrackExiting()) status += 4; | |
641 | if(gMC->IsTrackOut()) status += 8; | |
642 | if(gMC->IsTrackDisappeared()) status += 16; | |
643 | if(gMC->IsTrackStop()) status += 32; | |
644 | if(gMC->IsTrackAlive()) status += 64; | |
645 | ||
646 | // | |
647 | // retrieve the indices with the volume path | |
648 | // | |
649 | if (lay < 0 || lay >= fNLayers) { | |
650 | AliError(Form("Invalid value: lay=%d. Not an ITS sensitive volume",lay)); | |
651 | return; // not an ITS sensitive volume. | |
652 | } else { | |
653 | copy = 1; | |
654 | gMC->CurrentVolOffID(1,cpn1); | |
655 | gMC->CurrentVolOffID(2,cpn0); | |
656 | } // | |
657 | ||
658 | mod = fGeomTGeo->GetModuleIndex(lay,cpn0,cpn1); | |
659 | //RS2DEL fInitGeom.DecodeDetector(mod,lay+1,cpn0,cpn1,copy); | |
660 | // | |
661 | // Fill hit structure. | |
662 | // | |
663 | hit.SetModule(mod); | |
664 | hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber()); | |
665 | gMC->TrackPosition(position); | |
666 | gMC->TrackMomentum(momentum); | |
667 | hit.SetPosition(position); | |
668 | hit.SetTime(gMC->TrackTime()); | |
669 | hit.SetMomentum(momentum); | |
670 | hit.SetStatus(status); | |
671 | hit.SetEdep(gMC->Edep()); | |
672 | hit.SetShunt(GetIshunt()); | |
673 | if(gMC->IsTrackEntering()){ | |
674 | hit.SetStartPosition(position); | |
675 | hit.SetStartTime(gMC->TrackTime()); | |
676 | hit.SetStartStatus(status); | |
677 | return; // don't save entering hit. | |
678 | } // end if IsEntering | |
679 | // Fill hit structure with this new hit. | |
680 | //Info("StepManager","Calling Copy Constructor"); | |
681 | new(lhits[fNhits++]) AliITSUHit(hit); // Use Copy Construtor. | |
682 | // Save old position... for next hit. | |
683 | hit.SetStartPosition(position); | |
684 | hit.SetStartTime(gMC->TrackTime()); | |
685 | hit.SetStartStatus(status); | |
686 | ||
687 | return; | |
688 | } | |
689 | ||
690 | //______________________________________________________________________ | |
691 | void AliITSUv11::SetLayerDetTypeID(Int_t lr, UInt_t id) | |
692 | { | |
693 | // set det type | |
694 | if (!fDetTypeID || fNLayers<=lr) AliFatal(Form("Number of layers %d, %d is manipulated",fNLayers,lr)); | |
695 | fDetTypeID[lr] = id; | |
696 | } | |
697 | ||
698 | //______________________________________________________________________ | |
699 | Int_t AliITSUv11::GetLayerDetTypeID(Int_t lr) | |
700 | { | |
701 | // set det type | |
702 | if (!fDetTypeID || fNLayers<=lr) AliFatal(Form("Number of layers %d, %d is manipulated",fNLayers,lr)); | |
703 | return fDetTypeID[lr]; | |
704 | } |