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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> | |
75609cab | 79 | #include <TMath.h> |
54e415a8 | 80 | static Int_t FindNodeDepth(const char* name, const char* volname); |
54e415a8 | 81 | |
1a1fdef7 | 82 | |
83 | //==================================================================== | |
84 | ClassImp(AliFMDGeometry) | |
85 | #if 0 | |
86 | ; // This is here to keep Emacs for indenting the next line | |
87 | #endif | |
88 | ||
89 | //____________________________________________________________________ | |
90 | AliFMDGeometry* AliFMDGeometry::fgInstance = 0; | |
91 | ||
92 | //____________________________________________________________________ | |
93 | AliFMDGeometry* | |
94 | AliFMDGeometry::Instance() | |
95 | { | |
69b696b9 | 96 | // Return (newly created) singleton instance |
1a1fdef7 | 97 | if (!fgInstance) fgInstance = new AliFMDGeometry; |
98 | return fgInstance; | |
99 | } | |
100 | ||
101 | //____________________________________________________________________ | |
102 | AliFMDGeometry::AliFMDGeometry() | |
a1f80595 | 103 | : AliGeometry("FMD", "Forward multiplicity"), |
b5ee4425 | 104 | fIsInitialized(kFALSE), |
105 | fInner(0), | |
106 | fOuter(0), | |
107 | fFMD1(0), | |
108 | fFMD2(0), | |
109 | fFMD3(0), | |
110 | fUseFMD1(kFALSE), | |
111 | fUseFMD2(kFALSE), | |
112 | fUseFMD3(kFALSE), | |
352482dc | 113 | fIsInitTrans(kFALSE), |
b5ee4425 | 114 | fBuilder(0), |
115 | fDetectorOff(0), | |
116 | fModuleOff(0), | |
117 | fRingOff(0), | |
118 | fSectorOff(0), | |
119 | fActive(2), | |
120 | fDetailed(kFALSE), | |
121 | fUseAssembly(kFALSE) | |
1a1fdef7 | 122 | { |
69b696b9 | 123 | // PROTECTED |
124 | // Default constructor | |
54e415a8 | 125 | fUseFMD1 = kTRUE; |
126 | fUseFMD2 = kTRUE; | |
127 | fUseFMD3 = kTRUE; | |
54e415a8 | 128 | fDetailed = kTRUE; |
129 | fUseAssembly = kTRUE; | |
1a1fdef7 | 130 | fInner = new AliFMDRing('I'); |
131 | fOuter = new AliFMDRing('O'); | |
132 | fFMD1 = new AliFMD1(fInner); | |
133 | fFMD2 = new AliFMD2(fInner, fOuter); | |
134 | fFMD3 = new AliFMD3(fInner, fOuter); | |
135 | fIsInitialized = kFALSE; | |
54e415a8 | 136 | fActive.Reset(-1); |
1a1fdef7 | 137 | } |
138 | ||
69b696b9 | 139 | //____________________________________________________________________ |
140 | AliFMDGeometry::AliFMDGeometry(const AliFMDGeometry& other) | |
141 | : AliGeometry(other), | |
142 | fIsInitialized(other.fIsInitialized), | |
143 | fInner(other.fInner), | |
144 | fOuter(other.fOuter), | |
145 | fFMD1(other.fFMD1), | |
146 | fFMD2(other.fFMD2), | |
147 | fFMD3(other.fFMD3), | |
148 | fUseFMD1(other.fUseFMD1), | |
149 | fUseFMD2(other.fUseFMD2), | |
bf000c32 | 150 | fUseFMD3(other.fUseFMD3), |
352482dc | 151 | fIsInitTrans(other.fIsInitTrans), |
b5ee4425 | 152 | fBuilder(other.fBuilder), |
153 | fDetectorOff(other.fDetectorOff), | |
154 | fModuleOff(other.fModuleOff), | |
155 | fRingOff(other.fRingOff), | |
156 | fSectorOff(other.fSectorOff), | |
bf000c32 | 157 | fActive(other.fActive), |
54e415a8 | 158 | fDetailed(other.fDetailed), |
159 | fUseAssembly(other.fUseAssembly) | |
69b696b9 | 160 | { |
161 | // PROTECTED | |
162 | // Copy constructor | |
163 | } | |
164 | ||
165 | ||
166 | ||
167 | //____________________________________________________________________ | |
168 | AliFMDGeometry& | |
169 | AliFMDGeometry::operator=(const AliFMDGeometry& other) | |
170 | { | |
171 | // PROTECTED | |
172 | // Assignment operator | |
173 | fUseFMD1 = other.fUseFMD1; | |
174 | fUseFMD2 = other.fUseFMD2; | |
175 | fUseFMD3 = other.fUseFMD3; | |
176 | fFMD1 = other.fFMD1; | |
177 | fFMD2 = other.fFMD2; | |
178 | fFMD3 = other.fFMD3; | |
179 | fInner = other.fInner; | |
180 | fOuter = other.fOuter; | |
181 | fIsInitialized = other.fIsInitialized; | |
182 | return *this; | |
183 | } | |
184 | ||
1a1fdef7 | 185 | //____________________________________________________________________ |
186 | void | |
187 | AliFMDGeometry::Init() | |
188 | { | |
69b696b9 | 189 | // Initialize the the singleton if not done so already |
1a1fdef7 | 190 | if (fIsInitialized) return; |
191 | fInner->Init(); | |
192 | fOuter->Init(); | |
193 | fFMD1->Init(); | |
194 | fFMD2->Init(); | |
195 | fFMD3->Init(); | |
196 | } | |
197 | ||
bf000c32 | 198 | //____________________________________________________________________ |
199 | void | |
352482dc | 200 | AliFMDGeometry::InitTransformations(Bool_t force) |
bf000c32 | 201 | { |
02a27b50 | 202 | // Find all local <-> global transforms |
352482dc | 203 | if (force) fIsInitTrans = kFALSE; |
204 | if (fIsInitTrans) return; | |
bf000c32 | 205 | if (!gGeoManager) { |
206 | AliError("No TGeoManager defined"); | |
207 | return; | |
208 | } | |
352482dc | 209 | AliFMDDebug(1, ("Initialising transforms for FMD geometry")); |
bf000c32 | 210 | if (fFMD1) fFMD1->InitTransformations(); |
211 | if (fFMD2) fFMD2->InitTransformations(); | |
212 | if (fFMD3) fFMD3->InitTransformations(); | |
352482dc | 213 | fIsInitTrans = kTRUE; |
bf000c32 | 214 | } |
215 | ||
54e415a8 | 216 | //____________________________________________________________________ |
217 | void | |
218 | AliFMDGeometry::Build() | |
219 | { | |
02a27b50 | 220 | // Build the geometry |
54e415a8 | 221 | if (!fBuilder) fBuilder = new AliFMDGeometryBuilder(fDetailed); |
222 | fBuilder->SetDetailed(fDetailed); | |
223 | fBuilder->UseAssembly(fUseAssembly); | |
224 | fBuilder->Exec(); | |
225 | } | |
226 | ||
227 | //____________________________________________________________________ | |
228 | void | |
229 | AliFMDGeometry::SetActive(Int_t* active, Int_t n) | |
230 | { | |
02a27b50 | 231 | // Set active volumes |
54e415a8 | 232 | fActive.Set(n); |
088f8e79 | 233 | for (Int_t i = 0; i < n; i++) { |
f95a63c4 | 234 | AliFMDDebug(1, ("Active vol id # %d: %d", i, active[i])); |
088f8e79 | 235 | fActive[i] = active[i]; |
236 | } | |
54e415a8 | 237 | } |
238 | ||
239 | //____________________________________________________________________ | |
240 | void | |
241 | AliFMDGeometry::AddActive(Int_t active) | |
242 | { | |
02a27b50 | 243 | // Add an active volume |
54e415a8 | 244 | Int_t n = fActive.fN; |
245 | fActive.Set(n+1); | |
246 | fActive[n] = active; | |
247 | } | |
248 | ||
249 | //____________________________________________________________________ | |
250 | Bool_t | |
251 | AliFMDGeometry::IsActive(Int_t vol) const | |
252 | { | |
02a27b50 | 253 | // Check if a volume is active |
54e415a8 | 254 | for (Int_t i = 0; i < fActive.fN; i++) |
255 | if (fActive[i] == vol) return kTRUE; | |
256 | return kFALSE; | |
257 | } | |
54e415a8 | 258 | |
1a1fdef7 | 259 | //____________________________________________________________________ |
260 | AliFMDDetector* | |
261 | AliFMDGeometry::GetDetector(Int_t i) const | |
262 | { | |
69b696b9 | 263 | // Get the ith detector. i should be one of 1, 2, or 3. If an |
264 | // invalid value is passed, 0 (NULL) is returned. | |
1a1fdef7 | 265 | switch (i) { |
266 | case 1: return fUseFMD1 ? static_cast<AliFMDDetector*>(fFMD1) : 0; | |
267 | case 2: return fUseFMD2 ? static_cast<AliFMDDetector*>(fFMD2) : 0; | |
268 | case 3: return fUseFMD3 ? static_cast<AliFMDDetector*>(fFMD3) : 0; | |
269 | } | |
270 | return 0; | |
271 | } | |
272 | ||
273 | //____________________________________________________________________ | |
274 | AliFMDRing* | |
275 | AliFMDGeometry::GetRing(Char_t i) const | |
276 | { | |
69b696b9 | 277 | // Get the ith ring. i should be one of 'I' or 'O' (case |
278 | // insensitive). If an invalid parameter is passed, 0 (NULL) is | |
279 | // returned. | |
1a1fdef7 | 280 | switch (i) { |
281 | case 'I': | |
282 | case 'i': return fInner; | |
283 | case 'O': | |
284 | case 'o': return fOuter; | |
285 | } | |
286 | return 0; | |
287 | } | |
288 | ||
289 | //____________________________________________________________________ | |
290 | void | |
291 | AliFMDGeometry::Enable(Int_t i) | |
292 | { | |
69b696b9 | 293 | // Enable the ith detector. i should be one of 1, 2, or 3 |
1a1fdef7 | 294 | switch (i) { |
295 | case 1: fUseFMD1 = kTRUE; break; | |
296 | case 2: fUseFMD2 = kTRUE; break; | |
297 | case 3: fUseFMD3 = kTRUE; break; | |
298 | } | |
299 | } | |
300 | ||
301 | //____________________________________________________________________ | |
302 | void | |
303 | AliFMDGeometry::Disable(Int_t i) | |
304 | { | |
69b696b9 | 305 | // Disable the ith detector. i should be one of 1, 2, or 3 |
1a1fdef7 | 306 | switch (i) { |
307 | case 1: fUseFMD1 = kFALSE; break; | |
308 | case 2: fUseFMD2 = kFALSE; break; | |
309 | case 3: fUseFMD3 = kFALSE; break; | |
310 | } | |
311 | } | |
312 | ||
313 | //____________________________________________________________________ | |
314 | void | |
315 | AliFMDGeometry::Detector2XYZ(UShort_t detector, | |
69b696b9 | 316 | Char_t ring, |
317 | UShort_t sector, | |
318 | UShort_t strip, | |
319 | Double_t& x, | |
320 | Double_t& y, | |
321 | Double_t& z) const | |
1a1fdef7 | 322 | { |
69b696b9 | 323 | // Translate detector coordinates (detector, ring, sector, strip) to |
324 | // spatial coordinates (x, y, z) in the master reference frame of | |
325 | // ALICE. | |
1a1fdef7 | 326 | AliFMDDetector* det = GetDetector(detector); |
bf000c32 | 327 | if (!det) { |
328 | AliWarning(Form("Unknown detector %d", detector)); | |
329 | return; | |
330 | } | |
1a1fdef7 | 331 | det->Detector2XYZ(ring, sector, strip, x, y, z); |
332 | } | |
333 | ||
54e415a8 | 334 | //____________________________________________________________________ |
335 | Bool_t | |
336 | AliFMDGeometry::XYZ2Detector(Double_t x, | |
337 | Double_t y, | |
338 | Double_t z, | |
339 | UShort_t& detector, | |
340 | Char_t& ring, | |
341 | UShort_t& sector, | |
342 | UShort_t& strip) const | |
343 | { | |
344 | // Translate spatial coordinates (x,y,z) in the master reference frame of | |
345 | // ALICE to the detector coordinates (detector, ring, sector, | |
346 | // strip). Note, that if this method is to be used in | |
347 | // reconstruction or the like, then the input z-coordinate should be | |
348 | // corrected for the events interactions points z-coordinate, like | |
349 | // geom->XYZ2Detector(x,y,z-ipz,d,r,s,t); | |
350 | AliFMDDetector* det = 0; | |
351 | detector = 0; | |
352 | for (int i = 1; i <= 3; i++) { | |
353 | det = GetDetector(i); | |
354 | if (!det) continue; | |
355 | if (det->XYZ2Detector(x, y, z, ring, sector, strip)) { | |
356 | detector = det->GetId(); | |
357 | return kTRUE; | |
358 | } | |
359 | } | |
360 | return kFALSE; | |
361 | } | |
362 | ||
75609cab | 363 | //____________________________________________________________________ |
364 | Bool_t | |
365 | AliFMDGeometry::XYZ2REtaPhiTheta(Double_t x, Double_t y, | |
366 | Double_t z, | |
367 | Double_t& r, Double_t& eta, | |
368 | Double_t& phi, Double_t& theta) | |
369 | { | |
370 | ||
371 | // Service function to convert Cartisean XYZ to r, eta, phi, and theta. | |
372 | // | |
373 | // Note, that the z input should be corrected for the vertex location | |
374 | // if needed. | |
375 | // | |
376 | // x Cartisean X coordinate | |
377 | // y Cartisean Y coordinate | |
378 | // z Cartisean Z coordinate | |
379 | // r On return, the radius | |
380 | // eta On return, the pseudo-rapidity | |
381 | // phi On return, the azimuthal angle | |
382 | // theta On return, the polar angle; | |
383 | // | |
384 | // Return: | |
385 | // kFALSE in case of problems. | |
386 | ||
387 | if (x == 0 && y == 0 && z == 0) return kFALSE; | |
388 | ||
389 | // Correct for vertex offset. | |
390 | phi = TMath::ATan2(y, x); | |
391 | r = TMath::Sqrt(y * y + x * x); | |
392 | theta = TMath::ATan2(r, z); | |
393 | eta = -TMath::Log(TMath::Tan(theta / 2)); | |
394 | ||
395 | return kTRUE; | |
396 | } | |
397 | ||
1a1fdef7 | 398 | |
399 | //____________________________________________________________________ | |
400 | void | |
401 | AliFMDGeometry::GetGlobal(const AliRecPoint* p, | |
402 | TVector3& pos, | |
e8d02863 | 403 | TMatrixF& /* mat */) const |
1a1fdef7 | 404 | { |
69b696b9 | 405 | // Get the global coordinates cooresponding to the reconstructed |
406 | // point p. The coordiates is returned in the 3-vector pos passed | |
407 | // to this member function. The matrix mat is used for rotations. | |
1a1fdef7 | 408 | GetGlobal(p, pos); |
409 | } | |
410 | ||
411 | //____________________________________________________________________ | |
412 | void | |
413 | AliFMDGeometry::GetGlobal(const AliRecPoint* p, TVector3& pos) const | |
414 | { | |
69b696b9 | 415 | // Get the global coordinates cooresponding to the reconstructed |
416 | // point p. The coordiates is returned in the 3-vector pos passed | |
417 | // to this member function. Note, as AliRecPoint only has places for | |
418 | // 3 indicies, it is assumed that the ring hit is an inner ring - | |
419 | // which obviously needn't be the case. This makes the member | |
420 | // function pretty darn useless. | |
421 | // FIXME: Implement this function to work with outer rings too. | |
1a1fdef7 | 422 | Double_t x, y, z; |
423 | TVector3 local; | |
424 | p->GetLocalPosition(local); | |
425 | UShort_t detector = UShort_t(local.X()); | |
426 | UShort_t sector = UShort_t(local.Y()); | |
427 | UShort_t strip = UShort_t(local.Z()); | |
428 | Detector2XYZ(detector, 'I', sector, strip, x, y, z); | |
429 | pos.SetXYZ(x, y, z); | |
430 | } | |
431 | ||
432 | //____________________________________________________________________ | |
433 | Bool_t | |
434 | AliFMDGeometry::Impact(const TParticle* /* particle */) const | |
435 | { | |
69b696b9 | 436 | // Return true, if the particle will hit the active detector |
437 | // elements, and false if not. Should be used for fast | |
438 | // simulations. Note, that the function currently return false | |
439 | // always. | |
440 | // FIXME: Implement this function. | |
1a1fdef7 | 441 | return kFALSE; |
442 | } | |
443 | ||
9de78b35 | 444 | //____________________________________________________________________ |
445 | void | |
446 | AliFMDGeometry::SetAlignableVolumes() const | |
447 | { | |
448 | // Declare alignable volumes | |
449 | for (Int_t d = 1; d <= 3; d++) | |
450 | if (GetDetector(d)) GetDetector(d)->SetAlignableVolumes(); | |
451 | } | |
452 | ||
453 | ||
54e415a8 | 454 | //____________________________________________________________________ |
455 | void | |
456 | AliFMDGeometry::ExtractGeomInfo() | |
457 | { | |
458 | // Check the volume depth of some nodes, get the active volume | |
459 | // numbers, and so forth. | |
460 | // | |
461 | // TODO: Here, we should actually also get the parameters of the | |
462 | // shapes, like the verticies of the polygon shape that makes up the | |
463 | // silicon sensor, the strip pitch, the ring radii, the z-positions, | |
464 | // and so on - that is, all the geometric information we need for | |
465 | // futher processing, such as simulation, digitization, | |
466 | // reconstruction, etc. | |
53a1201d | 467 | Int_t detectorDepth = FindNodeDepth("F1MT_1", "ALIC"); |
468 | Int_t ringDepth = FindNodeDepth(Form("FITV_%d", int('I')), "ALIC"); | |
469 | Int_t moduleDepth = FindNodeDepth("FIBH_0", "ALIC"); | |
470 | Int_t sectorDepth = FindNodeDepth("FISC_1", "ALIC"); | |
471 | fActive.Set(0); | |
54e415a8 | 472 | fActive.Reset(-1); |
f95a63c4 | 473 | AliFMDDebug(1, ("Geometry depths:\n" |
54e415a8 | 474 | " Sector: %d\n" |
475 | " Module: %d\n" | |
476 | " Ring: %d\n" | |
477 | " Detector: %d", | |
478 | sectorDepth, moduleDepth, ringDepth, detectorDepth)); | |
479 | if (sectorDepth < 0 && moduleDepth < 0) { | |
480 | fDetailed = kFALSE; | |
481 | fSectorOff = -1; | |
482 | fModuleOff = -1; | |
483 | fRingOff = 0; | |
484 | fDetectorOff = (ringDepth - detectorDepth); | |
485 | TGeoVolume* actiVol = gGeoManager->GetVolume("FIAC"); | |
486 | TGeoVolume* actoVol = gGeoManager->GetVolume("FOAC"); | |
487 | if (actiVol) AddActive(actiVol->GetNumber()); | |
488 | if (actiVol) AddActive(actoVol->GetNumber()); | |
489 | } | |
490 | else if (sectorDepth < 0) { | |
491 | fDetailed = kFALSE; | |
492 | fSectorOff = -1; | |
493 | fModuleOff = 1; | |
494 | fRingOff = (moduleDepth - ringDepth) + 1; | |
495 | fDetectorOff = (moduleDepth - detectorDepth) + 1; | |
496 | TGeoVolume* modiVol = gGeoManager->GetVolume("FIMO"); | |
497 | TGeoVolume* modoVol = gGeoManager->GetVolume("FOMO"); | |
498 | if (modiVol) AddActive(modiVol->GetNumber()); | |
499 | if (modoVol) AddActive(modoVol->GetNumber()); | |
500 | } | |
501 | else { | |
502 | Int_t stripDepth = FindNodeDepth("FIST_1", "ALIC"); | |
503 | fDetailed = kTRUE; | |
504 | fSectorOff = (stripDepth - sectorDepth); | |
505 | fModuleOff = (moduleDepth >= 0 ? (stripDepth - moduleDepth) : -1); | |
506 | fRingOff = (stripDepth - ringDepth); | |
507 | fDetectorOff = (stripDepth - detectorDepth ); | |
508 | TGeoVolume* striVol = gGeoManager->GetVolume("FIST"); | |
509 | TGeoVolume* stroVol = gGeoManager->GetVolume("FOST"); | |
510 | if (striVol) AddActive(striVol->GetNumber()); | |
511 | if (stroVol) AddActive(stroVol->GetNumber()); | |
512 | } | |
f95a63c4 | 513 | AliFMDDebug(1, ("Geometry offsets:\n" |
54e415a8 | 514 | " Sector: %d\n" |
515 | " Module: %d\n" | |
516 | " Ring: %d\n" | |
517 | " Detector: %d", | |
518 | fSectorOff, fModuleOff, fRingOff, fDetectorOff)); | |
519 | } | |
520 | ||
521 | ||
522 | //____________________________________________________________________ | |
523 | static Int_t | |
524 | CheckNodes(TGeoNode* node, const char* name, Int_t& lvl) | |
525 | { | |
526 | // If there's no node here. | |
527 | if (!node) return -1; | |
528 | // Check if it this one | |
529 | TString sname(name); | |
530 | if (sname == node->GetName()) return lvl; | |
531 | ||
532 | // Check if the node is an immediate daugther | |
533 | TObjArray* nodes = node->GetNodes(); | |
534 | if (!nodes) return -1; | |
535 | // Increase the level, and search immediate sub nodes. | |
536 | lvl++; | |
537 | TGeoNode* found = static_cast<TGeoNode*>(nodes->FindObject(name)); | |
538 | if (found) return lvl; | |
539 | ||
540 | // Check the sub node, if any of their sub-nodes match. | |
541 | for (Int_t i = 0; i < nodes->GetEntries(); i++) { | |
542 | TGeoNode* sub = static_cast<TGeoNode*>(nodes->At(i)); | |
543 | if (!sub) continue; | |
544 | // Recurive check | |
545 | if (CheckNodes(sub, name, lvl) >= 0) return lvl; | |
546 | } | |
547 | // If not found, decrease the level | |
548 | lvl--; | |
549 | return -1; | |
550 | } | |
551 | //____________________________________________________________________ | |
552 | Int_t | |
553 | FindNodeDepth(const char* name, const char* volname) | |
554 | { | |
02a27b50 | 555 | // Find the depth of a node |
54e415a8 | 556 | TGeoVolume* vol = gGeoManager->GetVolume(volname); |
557 | if (!vol) { | |
558 | std::cerr << "No top volume defined" << std::endl; | |
559 | return -1; | |
560 | } | |
53a1201d | 561 | |
562 | TGeoIterator next(vol); | |
563 | TGeoNode* node = 0; | |
564 | TString sName(name); | |
565 | while ((node = next())) { | |
53a1201d | 566 | if (sName == node->GetName()) { |
2af4b50b | 567 | //std::cout << "Found node " << node->GetName() << " at level " |
568 | // << next.GetLevel() << std::endl; | |
53a1201d | 569 | return next.GetLevel(); |
570 | } | |
571 | } | |
572 | return -1; | |
573 | #if 0 | |
54e415a8 | 574 | TObjArray* nodes = vol->GetNodes(); |
575 | if (!nodes) { | |
576 | std::cerr << "No nodes in top volume" << std::endl; | |
577 | return -1; | |
578 | } | |
579 | TIter next(nodes); | |
580 | TGeoNode* node = 0; | |
581 | Int_t lvl = 0; | |
582 | while ((node = static_cast<TGeoNode*>(next()))) | |
583 | if (CheckNodes(node, name, lvl) >= 0) return lvl; | |
584 | return -1; | |
53a1201d | 585 | #endif |
54e415a8 | 586 | } |
54e415a8 | 587 | |
1a1fdef7 | 588 | //____________________________________________________________________ |
589 | // | |
590 | // EOF | |
591 | // |