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1a1fdef7 | 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 | **************************************************************************/ | |
1a1fdef7 | 15 | /* $Id$ */ |
c2fc1258 | 16 | /** @file AliFMDGeometry.cxx |
17 | @author Christian Holm Christensen <cholm@nbi.dk> | |
18 | @date Mon Mar 27 12:40:37 2006 | |
19 | @brief Geometry mananger for the FMD | |
20 | */ | |
1a1fdef7 | 21 | //____________________________________________________________________ |
22 | // | |
23 | // Forward Multiplicity Detector based on Silicon wafers. | |
24 | // | |
25 | // This class is a singleton that handles the geometry parameters of | |
26 | // the FMD detectors. | |
27 | // | |
28 | // The actual code is done by various separate classes. Below is | |
29 | // diagram showing the relationship between the various FMD classes | |
30 | // that handles the geometry | |
31 | // | |
32 | // +------------+ | |
33 | // +- | AliFMDRing | | |
34 | // 2 | +------------+ | |
35 | // +----------------+<>--+ | | |
36 | // | AliFMDGeometry | ^ | |
37 | // +----------------+<>--+ V 1..2 | |
38 | // 3 | +----------------+ | |
39 | // +-| AliFMDDetector | | |
40 | // +----------------+ | |
41 | // ^ | |
42 | // | | |
43 | // +-------------+-------------+ | |
44 | // | | | | |
45 | // +---------+ +---------+ +---------+ | |
46 | // | AliFMD1 | | AliFMD2 | | AliFMD3 | | |
47 | // +---------+ +---------+ +---------+ | |
48 | // | |
49 | // | |
50 | // * AliFMDRing | |
51 | // This class contains all stuff needed to do with a ring. It's | |
52 | // used by the AliFMDDetector objects to instantise inner and | |
53 | // outer rings. The AliFMDRing objects are shared by the | |
54 | // AliFMDDetector objects, and owned by the AliFMDv1 object. | |
55 | // | |
56 | // * AliFMD1, AliFMD2, and AliFMD3 | |
57 | // These are specialisation of AliFMDDetector, that contains the | |
58 | // particularities of each of the sub-detector system. It is | |
59 | // envisioned that the classes should also define the support | |
60 | // volumes and material for each of the detectors. | |
61 | // | |
62 | // | |
63 | #include "AliFMDGeometry.h" // ALIFMDGEOMETRY_H | |
64 | #include "AliFMDRing.h" // ALIFMDRING_H | |
65 | #include "AliFMD1.h" // ALIFMD1_H | |
66 | #include "AliFMD2.h" // ALIFMD2_H | |
67 | #include "AliFMD3.h" // ALIFMD2_H | |
68 | #include "AliRecPoint.h" // ALIRECPOINT_H | |
f95a63c4 | 69 | #include "AliFMDDebug.h" // ALILOG_H |
1a1fdef7 | 70 | #include <TVector3.h> // ROOT_TVector3 |
02a27b50 | 71 | // #include <TMatrix.h> // ROOT_TMatrix |
72 | // #include <TParticle.h> // ROOT_TParticle | |
1a1fdef7 | 73 | #include <Riostream.h> |
54e415a8 | 74 | #include "AliFMDGeometryBuilder.h" |
02a27b50 | 75 | // #include <TArrayI.h> |
54e415a8 | 76 | #include <TGeoManager.h> |
77 | #include <TGeoVolume.h> | |
78 | #include <TGeoNode.h> | |
79 | static Int_t FindNodeDepth(const char* name, const char* volname); | |
54e415a8 | 80 | |
1a1fdef7 | 81 | |
82 | //==================================================================== | |
83 | ClassImp(AliFMDGeometry) | |
84 | #if 0 | |
85 | ; // This is here to keep Emacs for indenting the next line | |
86 | #endif | |
87 | ||
88 | //____________________________________________________________________ | |
89 | AliFMDGeometry* AliFMDGeometry::fgInstance = 0; | |
90 | ||
91 | //____________________________________________________________________ | |
92 | AliFMDGeometry* | |
93 | AliFMDGeometry::Instance() | |
94 | { | |
69b696b9 | 95 | // Return (newly created) singleton instance |
1a1fdef7 | 96 | if (!fgInstance) fgInstance = new AliFMDGeometry; |
97 | return fgInstance; | |
98 | } | |
99 | ||
100 | //____________________________________________________________________ | |
101 | AliFMDGeometry::AliFMDGeometry() | |
a1f80595 | 102 | : AliGeometry("FMD", "Forward multiplicity"), |
b5ee4425 | 103 | fIsInitialized(kFALSE), |
104 | fInner(0), | |
105 | fOuter(0), | |
106 | fFMD1(0), | |
107 | fFMD2(0), | |
108 | fFMD3(0), | |
109 | fUseFMD1(kFALSE), | |
110 | fUseFMD2(kFALSE), | |
111 | fUseFMD3(kFALSE), | |
112 | fBuilder(0), | |
113 | fDetectorOff(0), | |
114 | fModuleOff(0), | |
115 | fRingOff(0), | |
116 | fSectorOff(0), | |
117 | fActive(2), | |
118 | fDetailed(kFALSE), | |
119 | fUseAssembly(kFALSE) | |
1a1fdef7 | 120 | { |
69b696b9 | 121 | // PROTECTED |
122 | // Default constructor | |
54e415a8 | 123 | fUseFMD1 = kTRUE; |
124 | fUseFMD2 = kTRUE; | |
125 | fUseFMD3 = kTRUE; | |
54e415a8 | 126 | fDetailed = kTRUE; |
127 | fUseAssembly = kTRUE; | |
1a1fdef7 | 128 | fInner = new AliFMDRing('I'); |
129 | fOuter = new AliFMDRing('O'); | |
130 | fFMD1 = new AliFMD1(fInner); | |
131 | fFMD2 = new AliFMD2(fInner, fOuter); | |
132 | fFMD3 = new AliFMD3(fInner, fOuter); | |
133 | fIsInitialized = kFALSE; | |
54e415a8 | 134 | fActive.Reset(-1); |
1a1fdef7 | 135 | } |
136 | ||
69b696b9 | 137 | //____________________________________________________________________ |
138 | AliFMDGeometry::AliFMDGeometry(const AliFMDGeometry& other) | |
139 | : AliGeometry(other), | |
140 | fIsInitialized(other.fIsInitialized), | |
141 | fInner(other.fInner), | |
142 | fOuter(other.fOuter), | |
143 | fFMD1(other.fFMD1), | |
144 | fFMD2(other.fFMD2), | |
145 | fFMD3(other.fFMD3), | |
146 | fUseFMD1(other.fUseFMD1), | |
147 | fUseFMD2(other.fUseFMD2), | |
bf000c32 | 148 | fUseFMD3(other.fUseFMD3), |
b5ee4425 | 149 | fBuilder(other.fBuilder), |
150 | fDetectorOff(other.fDetectorOff), | |
151 | fModuleOff(other.fModuleOff), | |
152 | fRingOff(other.fRingOff), | |
153 | fSectorOff(other.fSectorOff), | |
bf000c32 | 154 | fActive(other.fActive), |
54e415a8 | 155 | fDetailed(other.fDetailed), |
156 | fUseAssembly(other.fUseAssembly) | |
69b696b9 | 157 | { |
158 | // PROTECTED | |
159 | // Copy constructor | |
160 | } | |
161 | ||
162 | ||
163 | ||
164 | //____________________________________________________________________ | |
165 | AliFMDGeometry& | |
166 | AliFMDGeometry::operator=(const AliFMDGeometry& other) | |
167 | { | |
168 | // PROTECTED | |
169 | // Assignment operator | |
170 | fUseFMD1 = other.fUseFMD1; | |
171 | fUseFMD2 = other.fUseFMD2; | |
172 | fUseFMD3 = other.fUseFMD3; | |
173 | fFMD1 = other.fFMD1; | |
174 | fFMD2 = other.fFMD2; | |
175 | fFMD3 = other.fFMD3; | |
176 | fInner = other.fInner; | |
177 | fOuter = other.fOuter; | |
178 | fIsInitialized = other.fIsInitialized; | |
179 | return *this; | |
180 | } | |
181 | ||
1a1fdef7 | 182 | //____________________________________________________________________ |
183 | void | |
184 | AliFMDGeometry::Init() | |
185 | { | |
69b696b9 | 186 | // Initialize the the singleton if not done so already |
1a1fdef7 | 187 | if (fIsInitialized) return; |
188 | fInner->Init(); | |
189 | fOuter->Init(); | |
190 | fFMD1->Init(); | |
191 | fFMD2->Init(); | |
192 | fFMD3->Init(); | |
193 | } | |
194 | ||
bf000c32 | 195 | //____________________________________________________________________ |
196 | void | |
197 | AliFMDGeometry::InitTransformations() | |
198 | { | |
02a27b50 | 199 | // Find all local <-> global transforms |
bf000c32 | 200 | if (!gGeoManager) { |
201 | AliError("No TGeoManager defined"); | |
202 | return; | |
203 | } | |
f95a63c4 | 204 | AliFMDDebug(0, ("Initialising transforms for FMD geometry")); |
bf000c32 | 205 | if (fFMD1) fFMD1->InitTransformations(); |
206 | if (fFMD2) fFMD2->InitTransformations(); | |
207 | if (fFMD3) fFMD3->InitTransformations(); | |
208 | } | |
209 | ||
54e415a8 | 210 | //____________________________________________________________________ |
211 | void | |
212 | AliFMDGeometry::Build() | |
213 | { | |
02a27b50 | 214 | // Build the geometry |
54e415a8 | 215 | if (!fBuilder) fBuilder = new AliFMDGeometryBuilder(fDetailed); |
216 | fBuilder->SetDetailed(fDetailed); | |
217 | fBuilder->UseAssembly(fUseAssembly); | |
218 | fBuilder->Exec(); | |
219 | } | |
220 | ||
221 | //____________________________________________________________________ | |
222 | void | |
223 | AliFMDGeometry::SetActive(Int_t* active, Int_t n) | |
224 | { | |
02a27b50 | 225 | // Set active volumes |
54e415a8 | 226 | fActive.Set(n); |
088f8e79 | 227 | for (Int_t i = 0; i < n; i++) { |
f95a63c4 | 228 | AliFMDDebug(1, ("Active vol id # %d: %d", i, active[i])); |
088f8e79 | 229 | fActive[i] = active[i]; |
230 | } | |
54e415a8 | 231 | } |
232 | ||
233 | //____________________________________________________________________ | |
234 | void | |
235 | AliFMDGeometry::AddActive(Int_t active) | |
236 | { | |
02a27b50 | 237 | // Add an active volume |
54e415a8 | 238 | Int_t n = fActive.fN; |
239 | fActive.Set(n+1); | |
240 | fActive[n] = active; | |
241 | } | |
242 | ||
243 | //____________________________________________________________________ | |
244 | Bool_t | |
245 | AliFMDGeometry::IsActive(Int_t vol) const | |
246 | { | |
02a27b50 | 247 | // Check if a volume is active |
54e415a8 | 248 | for (Int_t i = 0; i < fActive.fN; i++) |
249 | if (fActive[i] == vol) return kTRUE; | |
250 | return kFALSE; | |
251 | } | |
54e415a8 | 252 | |
1a1fdef7 | 253 | //____________________________________________________________________ |
254 | AliFMDDetector* | |
255 | AliFMDGeometry::GetDetector(Int_t i) const | |
256 | { | |
69b696b9 | 257 | // Get the ith detector. i should be one of 1, 2, or 3. If an |
258 | // invalid value is passed, 0 (NULL) is returned. | |
1a1fdef7 | 259 | switch (i) { |
260 | case 1: return fUseFMD1 ? static_cast<AliFMDDetector*>(fFMD1) : 0; | |
261 | case 2: return fUseFMD2 ? static_cast<AliFMDDetector*>(fFMD2) : 0; | |
262 | case 3: return fUseFMD3 ? static_cast<AliFMDDetector*>(fFMD3) : 0; | |
263 | } | |
264 | return 0; | |
265 | } | |
266 | ||
267 | //____________________________________________________________________ | |
268 | AliFMDRing* | |
269 | AliFMDGeometry::GetRing(Char_t i) const | |
270 | { | |
69b696b9 | 271 | // Get the ith ring. i should be one of 'I' or 'O' (case |
272 | // insensitive). If an invalid parameter is passed, 0 (NULL) is | |
273 | // returned. | |
1a1fdef7 | 274 | switch (i) { |
275 | case 'I': | |
276 | case 'i': return fInner; | |
277 | case 'O': | |
278 | case 'o': return fOuter; | |
279 | } | |
280 | return 0; | |
281 | } | |
282 | ||
283 | //____________________________________________________________________ | |
284 | void | |
285 | AliFMDGeometry::Enable(Int_t i) | |
286 | { | |
69b696b9 | 287 | // Enable the ith detector. i should be one of 1, 2, or 3 |
1a1fdef7 | 288 | switch (i) { |
289 | case 1: fUseFMD1 = kTRUE; break; | |
290 | case 2: fUseFMD2 = kTRUE; break; | |
291 | case 3: fUseFMD3 = kTRUE; break; | |
292 | } | |
293 | } | |
294 | ||
295 | //____________________________________________________________________ | |
296 | void | |
297 | AliFMDGeometry::Disable(Int_t i) | |
298 | { | |
69b696b9 | 299 | // Disable the ith detector. i should be one of 1, 2, or 3 |
1a1fdef7 | 300 | switch (i) { |
301 | case 1: fUseFMD1 = kFALSE; break; | |
302 | case 2: fUseFMD2 = kFALSE; break; | |
303 | case 3: fUseFMD3 = kFALSE; break; | |
304 | } | |
305 | } | |
306 | ||
307 | //____________________________________________________________________ | |
308 | void | |
309 | AliFMDGeometry::Detector2XYZ(UShort_t detector, | |
69b696b9 | 310 | Char_t ring, |
311 | UShort_t sector, | |
312 | UShort_t strip, | |
313 | Double_t& x, | |
314 | Double_t& y, | |
315 | Double_t& z) const | |
1a1fdef7 | 316 | { |
69b696b9 | 317 | // Translate detector coordinates (detector, ring, sector, strip) to |
318 | // spatial coordinates (x, y, z) in the master reference frame of | |
319 | // ALICE. | |
1a1fdef7 | 320 | AliFMDDetector* det = GetDetector(detector); |
bf000c32 | 321 | if (!det) { |
322 | AliWarning(Form("Unknown detector %d", detector)); | |
323 | return; | |
324 | } | |
1a1fdef7 | 325 | det->Detector2XYZ(ring, sector, strip, x, y, z); |
326 | } | |
327 | ||
54e415a8 | 328 | //____________________________________________________________________ |
329 | Bool_t | |
330 | AliFMDGeometry::XYZ2Detector(Double_t x, | |
331 | Double_t y, | |
332 | Double_t z, | |
333 | UShort_t& detector, | |
334 | Char_t& ring, | |
335 | UShort_t& sector, | |
336 | UShort_t& strip) const | |
337 | { | |
338 | // Translate spatial coordinates (x,y,z) in the master reference frame of | |
339 | // ALICE to the detector coordinates (detector, ring, sector, | |
340 | // strip). Note, that if this method is to be used in | |
341 | // reconstruction or the like, then the input z-coordinate should be | |
342 | // corrected for the events interactions points z-coordinate, like | |
343 | // geom->XYZ2Detector(x,y,z-ipz,d,r,s,t); | |
344 | AliFMDDetector* det = 0; | |
345 | detector = 0; | |
346 | for (int i = 1; i <= 3; i++) { | |
347 | det = GetDetector(i); | |
348 | if (!det) continue; | |
349 | if (det->XYZ2Detector(x, y, z, ring, sector, strip)) { | |
350 | detector = det->GetId(); | |
351 | return kTRUE; | |
352 | } | |
353 | } | |
354 | return kFALSE; | |
355 | } | |
356 | ||
1a1fdef7 | 357 | |
358 | //____________________________________________________________________ | |
359 | void | |
360 | AliFMDGeometry::GetGlobal(const AliRecPoint* p, | |
361 | TVector3& pos, | |
e8d02863 | 362 | TMatrixF& /* mat */) const |
1a1fdef7 | 363 | { |
69b696b9 | 364 | // Get the global coordinates cooresponding to the reconstructed |
365 | // point p. The coordiates is returned in the 3-vector pos passed | |
366 | // to this member function. The matrix mat is used for rotations. | |
1a1fdef7 | 367 | GetGlobal(p, pos); |
368 | } | |
369 | ||
370 | //____________________________________________________________________ | |
371 | void | |
372 | AliFMDGeometry::GetGlobal(const AliRecPoint* p, TVector3& pos) const | |
373 | { | |
69b696b9 | 374 | // Get the global coordinates cooresponding to the reconstructed |
375 | // point p. The coordiates is returned in the 3-vector pos passed | |
376 | // to this member function. Note, as AliRecPoint only has places for | |
377 | // 3 indicies, it is assumed that the ring hit is an inner ring - | |
378 | // which obviously needn't be the case. This makes the member | |
379 | // function pretty darn useless. | |
380 | // FIXME: Implement this function to work with outer rings too. | |
1a1fdef7 | 381 | Double_t x, y, z; |
382 | TVector3 local; | |
383 | p->GetLocalPosition(local); | |
384 | UShort_t detector = UShort_t(local.X()); | |
385 | UShort_t sector = UShort_t(local.Y()); | |
386 | UShort_t strip = UShort_t(local.Z()); | |
387 | Detector2XYZ(detector, 'I', sector, strip, x, y, z); | |
388 | pos.SetXYZ(x, y, z); | |
389 | } | |
390 | ||
391 | //____________________________________________________________________ | |
392 | Bool_t | |
393 | AliFMDGeometry::Impact(const TParticle* /* particle */) const | |
394 | { | |
69b696b9 | 395 | // Return true, if the particle will hit the active detector |
396 | // elements, and false if not. Should be used for fast | |
397 | // simulations. Note, that the function currently return false | |
398 | // always. | |
399 | // FIXME: Implement this function. | |
1a1fdef7 | 400 | return kFALSE; |
401 | } | |
402 | ||
9de78b35 | 403 | //____________________________________________________________________ |
404 | void | |
405 | AliFMDGeometry::SetAlignableVolumes() const | |
406 | { | |
407 | // Declare alignable volumes | |
408 | for (Int_t d = 1; d <= 3; d++) | |
409 | if (GetDetector(d)) GetDetector(d)->SetAlignableVolumes(); | |
410 | } | |
411 | ||
412 | ||
54e415a8 | 413 | //____________________________________________________________________ |
414 | void | |
415 | AliFMDGeometry::ExtractGeomInfo() | |
416 | { | |
417 | // Check the volume depth of some nodes, get the active volume | |
418 | // numbers, and so forth. | |
419 | // | |
420 | // TODO: Here, we should actually also get the parameters of the | |
421 | // shapes, like the verticies of the polygon shape that makes up the | |
422 | // silicon sensor, the strip pitch, the ring radii, the z-positions, | |
423 | // and so on - that is, all the geometric information we need for | |
424 | // futher processing, such as simulation, digitization, | |
425 | // reconstruction, etc. | |
426 | Int_t detectorDepth = FindNodeDepth("FMD1_1", "ALIC"); | |
427 | Int_t ringDepth = FindNodeDepth(Form("FMDI_%d", Int_t('I')), "ALIC"); | |
428 | Int_t moduleDepth = FindNodeDepth("FIFV_0", "ALIC"); | |
429 | Int_t sectorDepth = FindNodeDepth("FISE_1", "ALIC"); | |
430 | fActive.Reset(-1); | |
f95a63c4 | 431 | AliFMDDebug(1, ("Geometry depths:\n" |
54e415a8 | 432 | " Sector: %d\n" |
433 | " Module: %d\n" | |
434 | " Ring: %d\n" | |
435 | " Detector: %d", | |
436 | sectorDepth, moduleDepth, ringDepth, detectorDepth)); | |
437 | if (sectorDepth < 0 && moduleDepth < 0) { | |
438 | fDetailed = kFALSE; | |
439 | fSectorOff = -1; | |
440 | fModuleOff = -1; | |
441 | fRingOff = 0; | |
442 | fDetectorOff = (ringDepth - detectorDepth); | |
443 | TGeoVolume* actiVol = gGeoManager->GetVolume("FIAC"); | |
444 | TGeoVolume* actoVol = gGeoManager->GetVolume("FOAC"); | |
445 | if (actiVol) AddActive(actiVol->GetNumber()); | |
446 | if (actiVol) AddActive(actoVol->GetNumber()); | |
447 | } | |
448 | else if (sectorDepth < 0) { | |
449 | fDetailed = kFALSE; | |
450 | fSectorOff = -1; | |
451 | fModuleOff = 1; | |
452 | fRingOff = (moduleDepth - ringDepth) + 1; | |
453 | fDetectorOff = (moduleDepth - detectorDepth) + 1; | |
454 | TGeoVolume* modiVol = gGeoManager->GetVolume("FIMO"); | |
455 | TGeoVolume* modoVol = gGeoManager->GetVolume("FOMO"); | |
456 | if (modiVol) AddActive(modiVol->GetNumber()); | |
457 | if (modoVol) AddActive(modoVol->GetNumber()); | |
458 | } | |
459 | else { | |
460 | Int_t stripDepth = FindNodeDepth("FIST_1", "ALIC"); | |
461 | fDetailed = kTRUE; | |
462 | fSectorOff = (stripDepth - sectorDepth); | |
463 | fModuleOff = (moduleDepth >= 0 ? (stripDepth - moduleDepth) : -1); | |
464 | fRingOff = (stripDepth - ringDepth); | |
465 | fDetectorOff = (stripDepth - detectorDepth ); | |
466 | TGeoVolume* striVol = gGeoManager->GetVolume("FIST"); | |
467 | TGeoVolume* stroVol = gGeoManager->GetVolume("FOST"); | |
468 | if (striVol) AddActive(striVol->GetNumber()); | |
469 | if (stroVol) AddActive(stroVol->GetNumber()); | |
470 | } | |
f95a63c4 | 471 | AliFMDDebug(1, ("Geometry offsets:\n" |
54e415a8 | 472 | " Sector: %d\n" |
473 | " Module: %d\n" | |
474 | " Ring: %d\n" | |
475 | " Detector: %d", | |
476 | fSectorOff, fModuleOff, fRingOff, fDetectorOff)); | |
477 | } | |
478 | ||
479 | ||
480 | //____________________________________________________________________ | |
481 | static Int_t | |
482 | CheckNodes(TGeoNode* node, const char* name, Int_t& lvl) | |
483 | { | |
484 | // If there's no node here. | |
485 | if (!node) return -1; | |
486 | // Check if it this one | |
487 | TString sname(name); | |
488 | if (sname == node->GetName()) return lvl; | |
489 | ||
490 | // Check if the node is an immediate daugther | |
491 | TObjArray* nodes = node->GetNodes(); | |
492 | if (!nodes) return -1; | |
493 | // Increase the level, and search immediate sub nodes. | |
494 | lvl++; | |
495 | TGeoNode* found = static_cast<TGeoNode*>(nodes->FindObject(name)); | |
496 | if (found) return lvl; | |
497 | ||
498 | // Check the sub node, if any of their sub-nodes match. | |
499 | for (Int_t i = 0; i < nodes->GetEntries(); i++) { | |
500 | TGeoNode* sub = static_cast<TGeoNode*>(nodes->At(i)); | |
501 | if (!sub) continue; | |
502 | // Recurive check | |
503 | if (CheckNodes(sub, name, lvl) >= 0) return lvl; | |
504 | } | |
505 | // If not found, decrease the level | |
506 | lvl--; | |
507 | return -1; | |
508 | } | |
509 | //____________________________________________________________________ | |
510 | Int_t | |
511 | FindNodeDepth(const char* name, const char* volname) | |
512 | { | |
02a27b50 | 513 | // Find the depth of a node |
54e415a8 | 514 | TGeoVolume* vol = gGeoManager->GetVolume(volname); |
515 | if (!vol) { | |
516 | std::cerr << "No top volume defined" << std::endl; | |
517 | return -1; | |
518 | } | |
519 | TObjArray* nodes = vol->GetNodes(); | |
520 | if (!nodes) { | |
521 | std::cerr << "No nodes in top volume" << std::endl; | |
522 | return -1; | |
523 | } | |
524 | TIter next(nodes); | |
525 | TGeoNode* node = 0; | |
526 | Int_t lvl = 0; | |
527 | while ((node = static_cast<TGeoNode*>(next()))) | |
528 | if (CheckNodes(node, name, lvl) >= 0) return lvl; | |
529 | return -1; | |
530 | } | |
54e415a8 | 531 | |
1a1fdef7 | 532 | //____________________________________________________________________ |
533 | // | |
534 | // EOF | |
535 | // |