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29998a6e | 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 | // This class Defines the Geometry for the ITS Upgrade using TGeo | |
18 | // This is a work class used to study different configurations | |
19 | // during the development of the new ITS structure. | |
20 | // | |
21 | // Mario Sitta <sitta@to.infn.it> | |
22 | //************************************************************************* | |
23 | ||
24 | ||
451f5018 | 25 | /* $Id: AliITSUv11Layer.cxx */ |
29998a6e | 26 | // General Root includes |
27 | #include <TMath.h> | |
28 | // Root Geometry includes | |
29 | //#include <AliLog.h> | |
30 | #include <TGeoManager.h> | |
31 | #include <TGeoVolume.h> | |
32 | #include <TGeoPcon.h> | |
33 | #include <TGeoCone.h> | |
34 | #include <TGeoTube.h> // contaings TGeoTubeSeg | |
35 | #include <TGeoArb8.h> | |
36 | #include <TGeoXtru.h> | |
37 | #include <TGeoCompositeShape.h> | |
38 | #include <TGeoMatrix.h> | |
451f5018 | 39 | #include "AliITSUv11Layer.h" |
40 | #include "AliITSUGeomTGeo.h" | |
29998a6e | 41 | |
451f5018 | 42 | const Double_t AliITSUv11Layer::fgkDefaultSensorThick = 300*fgkmicron; |
43 | const Double_t AliITSUv11Layer::fgkDefaultLadderThick = 1*fgkcm; | |
29998a6e | 44 | |
451f5018 | 45 | ClassImp(AliITSUv11Layer) |
29998a6e | 46 | |
47 | #define SQ(A) (A)*(A) | |
48 | ||
49 | //________________________________________________________________________ | |
451f5018 | 50 | AliITSUv11Layer::AliITSUv11Layer(): |
29998a6e | 51 | AliITSv11Geometry(), |
52 | fLayerNumber(0), | |
53 | fLayRadius(0), | |
54 | fZLength(0), | |
55 | fSensorThick(0), | |
56 | fLadderThick(0), | |
57 | fLadderWidth(0), | |
58 | fLadderTilt(0), | |
59 | fNLadders(0), | |
60 | fNModules(0), | |
535d15f5 | 61 | fDetTypeID(0), |
29998a6e | 62 | fIsTurbo(0) |
63 | { | |
64 | // | |
65 | // Standard constructor | |
66 | // | |
67 | } | |
68 | ||
69 | //________________________________________________________________________ | |
451f5018 | 70 | AliITSUv11Layer::AliITSUv11Layer(Int_t debug): |
29998a6e | 71 | AliITSv11Geometry(debug), |
72 | fLayerNumber(0), | |
73 | fLayRadius(0), | |
74 | fZLength(0), | |
75 | fSensorThick(0), | |
76 | fLadderThick(0), | |
77 | fLadderWidth(0), | |
78 | fLadderTilt(0), | |
79 | fNLadders(0), | |
80 | fNModules(0), | |
535d15f5 | 81 | fDetTypeID(0), |
29998a6e | 82 | fIsTurbo(0) |
83 | { | |
84 | // | |
85 | // Constructor setting debugging level | |
86 | // | |
87 | } | |
88 | ||
89 | //________________________________________________________________________ | |
451f5018 | 90 | AliITSUv11Layer::AliITSUv11Layer(Int_t lay, Int_t debug): |
29998a6e | 91 | AliITSv11Geometry(debug), |
92 | fLayerNumber(lay), | |
93 | fLayRadius(0), | |
94 | fZLength(0), | |
95 | fSensorThick(0), | |
96 | fLadderThick(0), | |
97 | fLadderWidth(0), | |
98 | fLadderTilt(0), | |
99 | fNLadders(0), | |
100 | fNModules(0), | |
535d15f5 | 101 | fDetTypeID(0), |
29998a6e | 102 | fIsTurbo(0) |
103 | { | |
104 | // | |
105 | // Constructor setting layer number and debugging level | |
106 | // | |
107 | } | |
108 | ||
109 | //________________________________________________________________________ | |
451f5018 | 110 | AliITSUv11Layer::AliITSUv11Layer(Int_t lay, Bool_t turbo, Int_t debug): |
29998a6e | 111 | AliITSv11Geometry(debug), |
112 | fLayerNumber(lay), | |
113 | fLayRadius(0), | |
114 | fZLength(0), | |
115 | fSensorThick(0), | |
116 | fLadderThick(0), | |
117 | fLadderWidth(0), | |
118 | fLadderTilt(0), | |
119 | fNLadders(0), | |
120 | fNModules(0), | |
535d15f5 | 121 | fDetTypeID(0), |
29998a6e | 122 | fIsTurbo(turbo) |
123 | { | |
124 | // | |
125 | // Constructor setting layer number and debugging level | |
126 | // for a "turbo" layer (i.e. where ladders overlap in phi) | |
127 | // | |
128 | } | |
129 | ||
130 | //________________________________________________________________________ | |
451f5018 | 131 | AliITSUv11Layer::AliITSUv11Layer(const AliITSUv11Layer &s): |
29998a6e | 132 | AliITSv11Geometry(s.GetDebug()), |
133 | fLayerNumber(s.fLayerNumber), | |
134 | fLayRadius(s.fLayRadius), | |
135 | fZLength(s.fZLength), | |
136 | fSensorThick(s.fSensorThick), | |
137 | fLadderThick(s.fLadderThick), | |
138 | fLadderWidth(s.fLadderWidth), | |
139 | fLadderTilt(s.fLadderTilt), | |
140 | fNLadders(s.fNLadders), | |
141 | fNModules(s.fNModules), | |
535d15f5 | 142 | fDetTypeID(0), |
29998a6e | 143 | fIsTurbo(s.fIsTurbo) |
144 | { | |
145 | // | |
146 | // Copy constructor | |
147 | // | |
148 | } | |
149 | ||
150 | //________________________________________________________________________ | |
451f5018 | 151 | AliITSUv11Layer& AliITSUv11Layer::operator=(const AliITSUv11Layer &s) |
29998a6e | 152 | { |
153 | // | |
154 | // Assignment operator | |
155 | // | |
156 | if(&s == this) return *this; | |
157 | ||
158 | fLayerNumber = s.fLayerNumber; | |
159 | fLayRadius = s.fLayRadius; | |
160 | fZLength = s.fZLength; | |
161 | fSensorThick = s.fSensorThick; | |
162 | fLadderThick = s.fLadderThick; | |
163 | fLadderWidth = s.fLadderWidth; | |
164 | fLadderTilt = s.fLadderTilt; | |
165 | fNLadders = s.fNLadders; | |
166 | fNModules = s.fNModules; | |
167 | fIsTurbo = s.fIsTurbo; | |
535d15f5 | 168 | fDetTypeID = s.fDetTypeID; |
29998a6e | 169 | return *this; |
170 | } | |
171 | ||
172 | //________________________________________________________________________ | |
451f5018 | 173 | AliITSUv11Layer::~AliITSUv11Layer() { |
29998a6e | 174 | // |
175 | // Destructor | |
176 | // | |
177 | } | |
178 | ||
179 | //________________________________________________________________________ | |
451f5018 | 180 | void AliITSUv11Layer::CreateLayer(TGeoVolume *moth, |
29998a6e | 181 | const TGeoManager *mgr){ |
182 | // | |
183 | // Creates the actual Layer and places inside its mother volume | |
184 | // | |
185 | // Input: | |
186 | // moth : the TGeoVolume owing the volume structure | |
187 | // mgr : the GeoManager (used only to get the proper material) | |
188 | // | |
189 | // Output: | |
190 | // | |
191 | // Return: | |
192 | // | |
193 | // Created: 17 Jun 2011 Mario Sitta | |
194 | // Updated: 08 Jul 2011 Mario Sitta | |
195 | // | |
196 | ||
197 | ||
198 | // Local variables | |
199 | char volname[30]; | |
200 | Double_t rmin, rmax; | |
201 | Double_t xpos, ypos, zpos; | |
202 | Double_t alpha; | |
203 | ||
204 | ||
205 | // Check if the user set the proper parameters | |
206 | if (fLayRadius <= 0) AliFatal(Form("Wrong layer radius (%f)",fLayRadius)); | |
207 | if (fZLength <= 0) AliFatal(Form("Wrong layer length (%f)",fZLength)); | |
208 | if (fNLadders <= 0) AliFatal(Form("Wrong number of ladders (%d)",fNLadders)); | |
209 | if (fNModules <= 0) AliFatal(Form("Wrong number of modules (%d)",fNModules)); | |
210 | ||
211 | if (fLadderThick <= 0) { | |
212 | AliInfo(Form("Ladder thickness wrong or not set (%f), using default (%f)", | |
213 | fLadderThick,fgkDefaultLadderThick)); | |
214 | fLadderThick = fgkDefaultLadderThick; | |
215 | } | |
216 | ||
217 | if (fSensorThick <= 0) { | |
218 | AliInfo(Form("Sensor thickness wrong or not set (%f), using default (%f)", | |
219 | fSensorThick,fgkDefaultSensorThick)); | |
220 | fSensorThick = fgkDefaultSensorThick; | |
221 | } | |
222 | ||
223 | if (fSensorThick > fLadderThick) { | |
224 | AliWarning(Form("Sensor thickness (%f) is greater than ladder thickness (%f), fixing", | |
225 | fSensorThick,fLadderThick)); | |
226 | fSensorThick = fLadderThick; | |
227 | } | |
228 | ||
229 | ||
230 | // If a Turbo layer is requested, do it and exit | |
231 | if (fIsTurbo) { | |
232 | CreateLayerTurbo(moth, mgr); | |
233 | return; | |
234 | } | |
235 | ||
236 | ||
237 | // First create the ladder container | |
238 | alpha = (360./(2*fNLadders))*TMath::DegToRad(); | |
239 | fLadderWidth = fLayRadius*TMath::Tan(alpha); | |
240 | ||
241 | rmin = 0.98*fLayRadius; | |
242 | rmax = 1.02*TMath::Sqrt( fLadderWidth*fLadderWidth + | |
243 | (rmin+fLadderThick)*(rmin+fLadderThick) ); | |
244 | ||
245 | TGeoTube *layer = new TGeoTube(rmin, rmax, 0.5*fZLength); | |
246 | ||
247 | ||
248 | // We have all shapes: now create the real volumes | |
249 | TGeoMedium *medAir = mgr->GetMedium("ITS_AIR$"); | |
250 | ||
451f5018 | 251 | snprintf(volname, 30, "%s%d", AliITSUGeomTGeo::GetITSLayerPattern(),fLayerNumber); |
29998a6e | 252 | TGeoVolume *layVol = new TGeoVolume(volname, layer, medAir); |
535d15f5 | 253 | layVol->SetUniqueID(fDetTypeID); |
29998a6e | 254 | |
255 | // layVol->SetVisibility(kFALSE); | |
256 | layVol->SetVisibility(kTRUE); | |
257 | layVol->SetLineColor(1); | |
258 | ||
259 | TGeoVolume *laddVol = CreateLadder(); | |
260 | ||
261 | ||
262 | // Now build up the layer | |
263 | alpha = 360./fNLadders; | |
264 | Double_t r = fLayRadius + ((TGeoBBox*)laddVol->GetShape())->GetDY(); | |
265 | for (Int_t j=0; j<fNLadders; j++) { | |
266 | Double_t theta = j*alpha; | |
267 | xpos = r*SinD(theta); | |
268 | ypos = r*CosD(theta); | |
269 | zpos = 0.; | |
451f5018 | 270 | layVol->AddNode(laddVol, j, new TGeoCombiTrans( xpos, ypos, zpos, |
29998a6e | 271 | new TGeoRotation("",-theta,0,0))); |
272 | } | |
273 | ||
274 | ||
275 | // Finally put everything in the mother volume | |
276 | moth->AddNode(layVol, 1, 0); | |
277 | ||
278 | ||
279 | // Upgrade geometry is served | |
280 | return; | |
281 | } | |
282 | ||
283 | //________________________________________________________________________ | |
451f5018 | 284 | void AliITSUv11Layer::CreateLayerTurbo(TGeoVolume *moth, |
29998a6e | 285 | const TGeoManager *mgr){ |
286 | // | |
287 | // Creates the actual Layer and places inside its mother volume | |
288 | // A so-called "turbo" layer is a layer where ladders overlap in phi | |
289 | // User can set width and tilt angle, no check is performed here | |
290 | // to avoid volume overlaps | |
291 | // | |
292 | // Input: | |
293 | // moth : the TGeoVolume owing the volume structure | |
294 | // mgr : the GeoManager (used only to get the proper material) | |
295 | // | |
296 | // Output: | |
297 | // | |
298 | // Return: | |
299 | // | |
300 | // Created: 08 Jul 2011 Mario Sitta | |
362fe8e0 | 301 | // Updated: 08 Mar 2012 Mario Sitta Correct way to compute container R |
29998a6e | 302 | // |
303 | ||
304 | ||
305 | // Local variables | |
306 | char volname[30]; | |
362fe8e0 | 307 | Double_t rmin, rmax, rladd, rcont, d; |
29998a6e | 308 | Double_t xpos, ypos, zpos; |
309 | Double_t alpha, gamma; | |
310 | ||
311 | ||
312 | // Check if the user set the proper (remaining) parameters | |
313 | if (fLadderWidth <= 0) | |
314 | AliFatal(Form("Wrong ladder width (%f)",fLadderWidth)); | |
315 | if (TMath::Abs(fLadderTilt) > 45) | |
316 | AliWarning(Form("Ladder tilt angle (%f) greater than 45deg",fLadderTilt)); | |
317 | ||
318 | ||
319 | // First create the ladder container | |
320 | // d is half the diagonal of the ladder section | |
321 | // rladd is the radius at the ladder's center-of-gravity | |
362fe8e0 | 322 | // alpha here is the angle between the diagonal and rladd |
29998a6e | 323 | d = 0.5*TMath::Sqrt(fLadderThick*fLadderThick + fLadderWidth*fLadderWidth); |
324 | alpha = TMath::ACos(0.5*fLadderThick/d)*TMath::RadToDeg(); | |
362fe8e0 | 325 | gamma = alpha - fLadderTilt; |
29998a6e | 326 | rladd = fLayRadius + 0.5*fLadderThick; |
327 | ||
362fe8e0 | 328 | // rcont is the radius of the air container |
329 | rcont = RadiusOfTurboContainer(); | |
330 | ||
331 | if (rcont > 0) | |
332 | rmin = 0.98*rcont; | |
333 | else | |
29998a6e | 334 | rmin = 0.98*TMath::Sqrt( rladd*rladd + d*d - 2*rladd*d*CosD(gamma) ); |
362fe8e0 | 335 | |
29998a6e | 336 | rmax = 1.02*TMath::Sqrt( rladd*rladd + d*d + 2*rladd*d*CosD(gamma) ); |
337 | ||
338 | TGeoTube *layer = new TGeoTube(rmin, rmax, 0.5*fZLength); | |
339 | ||
340 | ||
341 | // We have all shapes: now create the real volumes | |
342 | TGeoMedium *medAir = mgr->GetMedium("ITS_AIR$"); | |
343 | ||
451f5018 | 344 | snprintf(volname, 30, "%s%d", AliITSUGeomTGeo::GetITSLayerPattern(), fLayerNumber); |
29998a6e | 345 | TGeoVolume *layVol = new TGeoVolume(volname, layer, medAir); |
535d15f5 | 346 | layVol->SetUniqueID(fDetTypeID); |
29998a6e | 347 | layVol->SetVisibility(kTRUE); |
348 | layVol->SetLineColor(1); | |
29998a6e | 349 | TGeoVolume *laddVol = CreateLadder(); |
350 | ||
351 | ||
352 | // Now build up the layer | |
353 | ||
354 | ||
355 | // Now build up the layer | |
356 | alpha = 360./fNLadders; | |
357 | Double_t r = fLayRadius + ((TGeoBBox*)laddVol->GetShape())->GetDY(); | |
358 | for (Int_t j=0; j<fNLadders; j++) { | |
359 | Double_t theta = j*alpha; | |
360 | xpos = r*SinD(theta); | |
361 | ypos = r*CosD(theta); | |
362 | zpos = 0.; | |
451f5018 | 363 | layVol->AddNode(laddVol, j, new TGeoCombiTrans( xpos, ypos, zpos, |
29998a6e | 364 | new TGeoRotation("",-theta+fLadderTilt,0,0))); |
365 | } | |
366 | ||
367 | ||
368 | // Finally put everything in the mother volume | |
369 | moth->AddNode(layVol, 1, 0); | |
370 | ||
371 | return; | |
372 | } | |
373 | ||
374 | //________________________________________________________________________ | |
451f5018 | 375 | TGeoVolume* AliITSUv11Layer::CreateLadder(const TGeoManager *mgr){ |
29998a6e | 376 | // |
377 | // Creates the actual Ladder | |
378 | // | |
379 | // Input: | |
380 | // mgr : the GeoManager (used only to get the proper material) | |
381 | // | |
382 | // Output: | |
383 | // | |
384 | // Return: | |
385 | // | |
386 | // Created: 22 Jun 2011 Mario Sitta | |
387 | // | |
388 | ||
389 | char volname[30]; | |
390 | Double_t xlen, ylen, zlen; | |
391 | Double_t xpos, ypos, zpos, zmod; | |
392 | Double_t alpha; | |
393 | ||
394 | ||
395 | // First create all needed shapes | |
396 | alpha = (360./(2*fNLadders))*TMath::DegToRad(); | |
397 | ||
398 | // The ladder | |
399 | xlen = fLayRadius*TMath::Tan(alpha); | |
400 | ylen = 0.5*fLadderThick; | |
401 | zlen = 0.5*fZLength; | |
402 | ||
403 | TGeoBBox *ladder = new TGeoBBox(xlen, ylen, zlen); | |
404 | ||
405 | ||
406 | // We have all shapes: now create the real volumes | |
407 | TGeoMedium *medAir = mgr->GetMedium("ITS_AIR$"); | |
408 | ||
451f5018 | 409 | snprintf(volname, 30, "%s%d", AliITSUGeomTGeo::GetITSLadderPattern(), fLayerNumber); |
29998a6e | 410 | TGeoVolume *laddVol = new TGeoVolume(volname, ladder, medAir); |
411 | ||
412 | // laddVol->SetVisibility(kFALSE); | |
413 | laddVol->SetVisibility(kTRUE); | |
414 | laddVol->SetLineColor(2); | |
29998a6e | 415 | TGeoVolume *modVol = CreateModule(ladder->GetDX(), ladder->GetDY(), |
416 | ladder->GetDZ()); | |
417 | ||
418 | ||
419 | // Now build up the ladder | |
420 | zmod = ((TGeoBBox*)modVol->GetShape())->GetDZ(); | |
421 | for (Int_t j=0; j<fNModules; j++) { | |
422 | xpos = 0.; | |
423 | ypos = 0.; | |
424 | zpos = -ladder->GetDZ() + j*2*zmod + zmod; | |
451f5018 | 425 | laddVol->AddNode(modVol, j, new TGeoTranslation(xpos, ypos, zpos)); |
29998a6e | 426 | } |
427 | ||
428 | ||
429 | // Done, return the ladder | |
430 | return laddVol; | |
431 | } | |
432 | ||
433 | //________________________________________________________________________ | |
451f5018 | 434 | TGeoVolume* AliITSUv11Layer::CreateModule(const Double_t xlad, |
29998a6e | 435 | const Double_t ylad, |
436 | const Double_t zlad, | |
437 | const TGeoManager *mgr){ | |
438 | // | |
439 | // Creates the actual Module | |
440 | // | |
441 | // Input: | |
442 | // xlad,ylad,zlad : the ladder dimensions | |
443 | // mgr : the GeoManager (used only to get the proper material) | |
444 | // | |
445 | // Output: | |
446 | // | |
447 | // Return: | |
448 | // | |
449 | // Created: 22 Jun 2011 Mario Sitta | |
450 | // | |
451 | ||
452 | char volname[30]; | |
453 | Double_t xlen, ylen, zlen; | |
454 | Double_t xpos, ypos, zpos; | |
455 | ||
456 | ||
457 | // First create all needed shapes | |
458 | ||
459 | // The module | |
460 | TGeoBBox *module = new TGeoBBox(xlad, ylad, zlad/fNModules); | |
461 | ||
462 | // The sensor | |
463 | xlen = module->GetDX(); | |
464 | ylen = 0.5*fSensorThick; | |
465 | zlen = module->GetDZ(); | |
466 | TGeoBBox *sensor = new TGeoBBox(xlen, ylen, zlen); | |
467 | ||
468 | ||
469 | // We have all shapes: now create the real volumes | |
470 | TGeoMedium *medAir = mgr->GetMedium("ITS_AIR$"); | |
471 | TGeoMedium *medSi = mgr->GetMedium("ITS_SI$"); | |
472 | ||
451f5018 | 473 | snprintf(volname, 30, "%s%d", AliITSUGeomTGeo::GetITSModulePattern() ,fLayerNumber); |
29998a6e | 474 | TGeoVolume *modVol = new TGeoVolume(volname, module, medAir); |
29998a6e | 475 | modVol->SetVisibility(kFALSE); |
476 | modVol->SetLineColor(1); | |
477 | ||
451f5018 | 478 | snprintf(volname, 30, "%s%d", AliITSUGeomTGeo::GetITSSensorPattern(), fLayerNumber); |
29998a6e | 479 | TGeoVolume *sensVol = new TGeoVolume(volname, sensor, medSi); |
29998a6e | 480 | sensVol->SetVisibility(kTRUE); |
481 | sensVol->SetLineColor(8); | |
482 | sensVol->SetLineWidth(1); | |
483 | sensVol->SetFillColor(sensVol->GetLineColor()); | |
484 | sensVol->SetFillStyle(4000); // 0% transparent | |
485 | ||
486 | ||
487 | // Now build up the module | |
488 | xpos = 0.; | |
489 | ypos = -module->GetDY() + sensor->GetDY(); | |
490 | zpos = 0.; | |
491 | ||
492 | modVol->AddNode(sensVol, 1, new TGeoTranslation(xpos, ypos, zpos)); | |
493 | ||
494 | ||
495 | // Done, return the module | |
496 | return modVol; | |
497 | } | |
498 | ||
362fe8e0 | 499 | //________________________________________________________________________ |
451f5018 | 500 | Double_t AliITSUv11Layer::RadiusOfTurboContainer(){ |
362fe8e0 | 501 | // |
502 | // Computes the inner radius of the air container for the Turbo configuration | |
503 | // as the radius of either the circle tangent to the ladder or the circle | |
504 | // passing for the ladder's lower vertex | |
505 | // | |
506 | // Input: | |
507 | // none (all needed parameters are class members) | |
508 | // | |
509 | // Output: | |
510 | // | |
511 | // Return: | |
512 | // the radius of the container if >0, else flag to use the lower vertex | |
513 | // | |
514 | // Created: 08 Mar 2012 Mario Sitta | |
515 | // | |
516 | ||
517 | Double_t rr, delta, z, lladd, rladd; | |
518 | ||
519 | if (fLadderThick > 89.) // Very big angle: avoid overflows since surely | |
520 | return -1; // the radius from lower vertex is the right value | |
521 | ||
522 | rladd = fLayRadius + 0.5*fLadderThick; | |
523 | delta = (0.5*fLadderThick)/CosD(fLadderTilt); | |
524 | z = (0.5*fLadderThick)*TanD(fLadderTilt); | |
525 | ||
526 | rr = rladd - delta; | |
527 | lladd = (0.5*fLadderWidth) - z; | |
528 | ||
529 | if ( (rr*SinD(fLadderTilt) < lladd) ) | |
530 | return (rr*CosD(fLadderTilt)); | |
531 | else | |
532 | return -1; | |
533 | } | |
534 | ||
29998a6e | 535 | //________________________________________________________________________ |
451f5018 | 536 | void AliITSUv11Layer::SetLadderTilt(const Double_t t){ |
29998a6e | 537 | // |
538 | // Sets the Ladder tilt angle (for turbo layers only) | |
539 | // | |
540 | // Input: | |
541 | // t : the ladder tilt angle | |
542 | // | |
543 | // Output: | |
544 | // | |
545 | // Return: | |
546 | // | |
547 | // Created: 08 Jul 2011 Mario Sitta | |
548 | // | |
549 | ||
550 | if (fIsTurbo) | |
551 | fLadderTilt = t; | |
552 | else | |
553 | AliError("Not a Turbo layer"); | |
554 | ||
555 | } | |
556 | ||
557 | //________________________________________________________________________ | |
451f5018 | 558 | void AliITSUv11Layer::SetLadderWidth(const Double_t w){ |
29998a6e | 559 | // |
560 | // Sets the Ladder width (for turbo layers only) | |
561 | // | |
562 | // Input: | |
563 | // w : the ladder width | |
564 | // | |
565 | // Output: | |
566 | // | |
567 | // Return: | |
568 | // | |
569 | // Created: 08 Jul 2011 Mario Sitta | |
570 | // | |
571 | ||
572 | if (fIsTurbo) | |
573 | fLadderWidth = w; | |
574 | else | |
575 | AliError("Not a Turbo layer"); | |
576 | ||
577 | } |