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1a1fdef7 | 1 | /************************************************************************** |
2 | * Copyright(c) 2004, 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 AliFMDDetector.cxx |
17 | @author Christian Holm Christensen <cholm@nbi.dk> | |
18 | @date Mon Mar 27 12:36:27 2006 | |
19 | @brief Sub-detector base class implementation | |
02a27b50 | 20 | @ingroup FMD_base |
c2fc1258 | 21 | */ |
1a1fdef7 | 22 | |
23 | //____________________________________________________________________ | |
24 | // | |
6169f936 | 25 | // AliFMDDetector. |
26 | // | |
27 | // Base class for concrete FMD detectors, like AliFMD1, AliFMD2, | |
28 | // AliFMD3. | |
1a1fdef7 | 29 | // Utility class to help implement the FMD geometry. This provides |
30 | // the interface for the concrete geometry implementations of the FMD | |
31 | // sub-detectors. | |
32 | // | |
33 | // The AliFMDGeometry object owns the AliFMDDetector objects | |
34 | // | |
35 | // Latest changes by Christian Holm Christensen | |
36 | // | |
090026bf | 37 | |
38 | #include <TGeoManager.h> // ROOT_TGeoManager | |
39 | #include <TGeoMatrix.h> // ROOT_TGeoMatrix | |
40 | #include <TMath.h> // ROOT_TMath | |
41 | ||
1a1fdef7 | 42 | #include "AliFMDDetector.h" // ALIFMDSUBDETECTOR_H |
43 | #include "AliFMDRing.h" // ALIFMDRING_H | |
bf000c32 | 44 | #include "AliLog.h" // ALILOG_H |
1a1fdef7 | 45 | |
46 | //==================================================================== | |
47 | ClassImp(AliFMDDetector) | |
48 | #if 0 | |
49 | ; // This is here to keep Emacs for indenting the next line | |
50 | #endif | |
51 | ||
52 | //____________________________________________________________________ | |
53 | AliFMDDetector::AliFMDDetector(Int_t id, AliFMDRing* inner, AliFMDRing* outer) | |
54 | : TNamed(Form("FMD%d", id), "Forward multiplicity ring"), | |
55 | fId(id), | |
b5ee4425 | 56 | fInnerZ(0.), |
57 | fOuterZ(0.), | |
58 | fHoneycombThickness(0.), | |
59 | fAlThickness(0.), | |
60 | fInnerHoneyLowR(0.), | |
61 | fInnerHoneyHighR(0.), | |
62 | fOuterHoneyLowR(0.), | |
63 | fOuterHoneyHighR(0.), | |
1a1fdef7 | 64 | fInner(inner), |
bf000c32 | 65 | fOuter(outer), |
66 | fInnerTransforms(0), | |
67 | fOuterTransforms(0) | |
1a1fdef7 | 68 | { |
088f8e79 | 69 | // Constructor |
70 | // | |
71 | // ID Id of detector (1,2, or 3) | |
72 | // INNER Inner ring geometry | |
73 | // OUTER Outer ring geometry (if any) | |
74 | // | |
1a1fdef7 | 75 | SetHoneycombThickness(); |
76 | SetAlThickness(); | |
77 | SetInnerHoneyLowR(0); | |
78 | SetInnerHoneyHighR(0); | |
79 | SetInnerZ(0); | |
80 | SetOuterZ(0); | |
81 | SetOuterHoneyLowR(0); | |
82 | SetOuterHoneyHighR(0); | |
83 | } | |
84 | ||
088f8e79 | 85 | //____________________________________________________________________ |
86 | AliFMDDetector::AliFMDDetector(const AliFMDDetector& other) | |
87 | : TNamed(other), | |
88 | fId(other.fId), | |
b5ee4425 | 89 | fInnerZ(0.), |
90 | fOuterZ(0.), | |
91 | fHoneycombThickness(0.), | |
92 | fAlThickness(0.), | |
93 | fInnerHoneyLowR(0.), | |
94 | fInnerHoneyHighR(0.), | |
95 | fOuterHoneyLowR(0.), | |
96 | fOuterHoneyHighR(0.), | |
088f8e79 | 97 | fInner(other.fInner), |
bf000c32 | 98 | fOuter(other.fOuter), |
99 | fInnerTransforms(other.fInnerTransforms), | |
100 | fOuterTransforms(other.fOuterTransforms) | |
088f8e79 | 101 | { |
102 | // Copy constructor | |
103 | SetHoneycombThickness(other.GetHoneycombThickness()); | |
104 | SetAlThickness(other.GetAlThickness()); | |
105 | SetInnerHoneyLowR(other.GetInnerHoneyLowR()); | |
106 | SetInnerHoneyHighR(other.GetInnerHoneyHighR()); | |
107 | SetInnerZ(other.GetInnerZ()); | |
108 | SetOuterZ(other.GetOuterZ()); | |
109 | SetOuterHoneyLowR(other.GetOuterHoneyLowR()); | |
110 | SetOuterHoneyHighR(other.GetOuterHoneyHighR()); | |
111 | } | |
112 | ||
113 | //____________________________________________________________________ | |
114 | AliFMDDetector& | |
115 | AliFMDDetector::operator=(const AliFMDDetector& other) | |
116 | { | |
117 | // Assignment operator | |
118 | SetName(other.GetName()); | |
119 | SetTitle(other.GetTitle()); | |
bf000c32 | 120 | fId = other.fId; |
121 | fInner = other.fInner; | |
122 | fOuter = other.fOuter; | |
123 | fInnerTransforms = other.fInnerTransforms; | |
124 | fOuterTransforms = other.fOuterTransforms; | |
088f8e79 | 125 | SetHoneycombThickness(other.GetHoneycombThickness()); |
126 | SetAlThickness(other.GetAlThickness()); | |
127 | SetInnerHoneyLowR(other.GetInnerHoneyLowR()); | |
128 | SetInnerHoneyHighR(other.GetInnerHoneyHighR()); | |
129 | SetInnerZ(other.GetInnerZ()); | |
130 | SetOuterZ(other.GetOuterZ()); | |
131 | SetOuterHoneyLowR(other.GetOuterHoneyLowR()); | |
132 | SetOuterHoneyHighR(other.GetOuterHoneyHighR()); | |
133 | return *this; | |
134 | } | |
135 | ||
1a1fdef7 | 136 | //____________________________________________________________________ |
137 | void | |
138 | AliFMDDetector::Init() | |
139 | { | |
088f8e79 | 140 | // Initialize. |
1a1fdef7 | 141 | if (fInner) { |
142 | SetInnerHoneyLowR(fInner->GetLowR() + 1.); | |
143 | SetInnerHoneyHighR(fInner->GetHighR() + 1.); | |
144 | } | |
145 | if (fOuter) { | |
146 | SetOuterHoneyLowR(fOuter->GetLowR() + 1.); | |
147 | SetOuterHoneyHighR(fOuter->GetHighR() + 1.); | |
bf000c32 | 148 | } |
149 | } | |
150 | ||
151 | //____________________________________________________________________ | |
152 | Bool_t | |
153 | AliFMDDetector::HasAllTransforms(Char_t ring) const | |
154 | { | |
02a27b50 | 155 | // Check if we got all transformations for a given ring. Return |
156 | // true in that case. | |
bf000c32 | 157 | AliFMDRing* r = GetRing(ring); |
158 | if (!r) return kTRUE; | |
159 | TObjArray* matricies = (r == fInner ? fInnerTransforms : fOuterTransforms); | |
160 | if (!matricies) return kTRUE; | |
161 | if (matricies->GetEntries() == r->GetNModules()) return kTRUE; | |
162 | return kFALSE; | |
163 | } | |
164 | ||
165 | #define IS_NODE_THIS(name) \ | |
166 | (name[0] == 'F' && name[2] == 'M' && name[1] == Char_t(48+fId) && \ | |
167 | (name[3] == 'T' || name[3] == 'B')) | |
168 | #define IS_NODE_SENSOR(name) \ | |
169 | (name[0] == 'F' && name[2] == 'S' && name[3] == 'E') | |
9de78b35 | 170 | #define IS_NODE_HALF(name) \ |
171 | (name[0] == 'F' && name[2] == 'M' && (name[3] == 'B' || name[3] == 'T')) | |
bf000c32 | 172 | |
173 | //____________________________________________________________________ | |
174 | void | |
175 | AliFMDDetector::InitTransformations() | |
176 | { | |
02a27b50 | 177 | // Find all local<->global transformations for this detector. |
bf000c32 | 178 | if ((!fInner || (fInner && fInnerTransforms)) && |
179 | (!fOuter || (fOuter && fOuterTransforms))) { | |
180 | AliDebug(5, Form("Transforms for FMD%d already registered", fId)); | |
181 | return; | |
182 | } | |
183 | AliDebug(5, Form("Initializing transforms for FMD%d", fId)); | |
184 | if (!gGeoManager) { | |
185 | AliFatal("No TGeoManager defined"); | |
186 | return; | |
187 | } | |
188 | TGeoVolume* topVolume = gGeoManager->GetTopVolume(); | |
189 | if (!topVolume) { | |
190 | AliFatal("No top-level volume defined"); | |
191 | return; | |
192 | } | |
193 | // Make container of transforms | |
194 | if (fInner && !fInnerTransforms) | |
195 | fInnerTransforms = new TObjArray(fInner->GetNModules()); | |
196 | if (fOuter && !fOuterTransforms) | |
197 | fOuterTransforms = new TObjArray(fOuter->GetNModules()); | |
198 | ||
199 | // Make an iterator | |
200 | TGeoIterator next(topVolume); | |
201 | TGeoNode* node = 0; | |
202 | ||
203 | // Find the node corresponding to this detector, and then find the | |
204 | // sensor volumes | |
205 | Bool_t thisNodeFound = kFALSE; | |
206 | Bool_t allInners = HasAllTransforms('I'); | |
207 | Bool_t allOuters = HasAllTransforms('O'); | |
208 | ||
209 | while ((node = static_cast<TGeoNode*>(next())) | |
210 | && !(allInners && allOuters)) { | |
211 | // Get nodes names | |
212 | const Char_t* name = node->GetName(); | |
213 | if (!name) continue; | |
214 | AliDebug(50, Form("Got volume %s", name)); | |
215 | // Check if this node is this detector | |
216 | // The base offset for numbers in the ASCII table is 48 | |
217 | if (IS_NODE_THIS(name)) { | |
218 | AliDebug(20, Form("Found detector node '%s' for FMD%d", name, fId)); | |
219 | thisNodeFound = kTRUE; | |
220 | } | |
221 | // if the detector was found, then we're on that branch, and we | |
222 | // check if this node represents a module in that branch. | |
223 | if (thisNodeFound && IS_NODE_SENSOR(name)) { | |
224 | AliDebug(20, Form("Found sensor node '%s' for FMD%d", name, fId)); | |
225 | // Get the ring Id. | |
226 | Char_t ringid = name[1]; | |
227 | ||
228 | // Get the approprate ring | |
229 | AliFMDRing* ring = GetRing(ringid); | |
230 | if (!ring) continue; | |
231 | ||
232 | // Check whether we have all the modules we need for this ring, | |
233 | // and if so, go on to the next node. | |
234 | Bool_t& done = (ring == fInner ? allInners : allOuters); | |
235 | if ((done = HasAllTransforms(ringid))) { | |
236 | AliDebug(20, Form("Already has all module transforms for ring %c", | |
237 | ringid)); | |
238 | continue; | |
239 | } | |
240 | ||
241 | // Get the approprate container | |
242 | TObjArray* matricies = (ringid == 'i' || ringid == 'I' | |
243 | ? fInnerTransforms : fOuterTransforms); | |
244 | ||
245 | // Get the copy (module) number, and check that it hasn't | |
246 | // already been added to the container. | |
247 | Int_t copy = node->GetNumber(); | |
248 | if (matricies->At(copy)) { | |
249 | AliWarning(Form("Have a transformation for module %d in ring %c", | |
250 | copy, ringid)); | |
251 | continue; | |
252 | } | |
253 | ||
254 | // Get the global transformation matrix, and store it. | |
255 | TGeoMatrix* trans = new TGeoHMatrix(*(next.GetCurrentMatrix())); | |
256 | matricies->AddAt(trans, copy); | |
257 | ||
258 | } | |
1a1fdef7 | 259 | } |
1a1fdef7 | 260 | } |
261 | ||
9de78b35 | 262 | //____________________________________________________________________ |
263 | void | |
264 | AliFMDDetector::SetAlignableVolumes() const | |
265 | { | |
266 | AliDebug(10, Form("Making alignable volumes for FMD%d", fId)); | |
267 | if (!gGeoManager) { | |
268 | AliFatal("No TGeoManager defined"); | |
269 | return; | |
270 | } | |
271 | TGeoVolume* topVolume = gGeoManager->GetTopVolume(); | |
272 | if (!topVolume) { | |
273 | AliFatal("No top-level volume defined"); | |
274 | return; | |
275 | } | |
276 | ||
277 | // Make an iterator | |
278 | TGeoIterator next(topVolume); | |
279 | next.Reset(topVolume); | |
280 | next.SetTopName(Form("/%s_1", topVolume->GetName())); | |
281 | TGeoNode* node = 0; | |
282 | ||
283 | Int_t nInnerSensor = (fInner ? fInner->GetNModules() : 0); | |
284 | Int_t nOuterSensor = (fOuter ? fOuter->GetNModules() : 0); | |
285 | // Find the node corresponding to this detector, and then find the | |
286 | // sensor volumes | |
287 | Bool_t thisNodeFound = kFALSE; | |
288 | Char_t thisHalf = '\0'; | |
289 | Int_t iInnerSensor = 0; | |
290 | Int_t iOuterSensor = 0; | |
291 | Bool_t hasTop = false; | |
292 | Bool_t hasBottom = false; | |
293 | ||
294 | TString path, align; | |
295 | while ((node = static_cast<TGeoNode*>(next())) | |
296 | && (iInnerSensor < nInnerSensor || iOuterSensor < nOuterSensor | |
297 | || !hasBottom || !hasTop)) { | |
298 | // Get nodes names | |
299 | const Char_t* name = node->GetName(); | |
300 | if (!name) continue; | |
301 | AliDebug((name[0] == 'F' ? 40 : 50), Form("Got volume %s", name)); | |
302 | // Check if this node is this detector | |
303 | // The base offset for numbers in the ASCII table is 48 | |
304 | if (IS_NODE_THIS(name)) { | |
305 | AliDebug(20, Form("Found detector node '%s' for FMD%d", name, fId)); | |
306 | thisNodeFound = kTRUE; | |
307 | } | |
308 | ||
309 | // if a half ring is found, then we're on that branch, and we | |
310 | // check if this node represents a half ring on that branch | |
311 | if (thisNodeFound && IS_NODE_HALF(name)) { | |
312 | AliDebug(30, Form("Found half node '%s' for FMD%d", name, fId)); | |
313 | // Get the half Id. | |
314 | thisHalf = name[3]; | |
315 | ||
316 | // Check if we're done | |
317 | Bool_t done = (thisHalf == 'T' ? hasTop : hasBottom); | |
318 | if (done) { | |
319 | AliDebug(20,Form("Already has all halves for detector %c",name[1])); | |
320 | continue; | |
321 | } | |
322 | ||
323 | switch (thisHalf) { | |
324 | case 'T': hasTop = true; break; | |
325 | case 'B': hasBottom = true; break; | |
326 | default: | |
327 | AliWarning(Form("Unknown part '%c' of FMD%d", fId)); | |
328 | continue; // because the node is unknown. | |
329 | } | |
330 | ||
331 | // Get the node path | |
332 | next.GetPath(path); | |
97b4001e | 333 | align = Form("FMD/FMD%d_%c", fId, thisHalf); |
9de78b35 | 334 | } |
335 | ||
336 | // if the detector was found, then we're on that branch, and we | |
337 | // check if this node represents a module in that branch. | |
338 | if (thisNodeFound && thisHalf && IS_NODE_SENSOR(name)) { | |
339 | AliDebug(30, Form("Found sensor node '%s' for FMD%d", name, fId)); | |
340 | // Get the ring Id. | |
341 | Char_t ringid = name[1]; | |
342 | ||
343 | // check that the ring is valid | |
344 | if (!GetRing(ringid)) { | |
345 | AliWarning(Form("Invalid ring %c for FMD%d", ringid, fId)); | |
346 | continue; | |
347 | } | |
348 | ||
349 | // Check if we're done | |
350 | Bool_t done = false; | |
351 | switch (ringid) { | |
352 | case 'I': done = iInnerSensor >= nInnerSensor; break; | |
353 | case 'O': done = iOuterSensor >= nOuterSensor; break; | |
354 | default: continue; | |
355 | } | |
356 | if (done) { | |
357 | AliDebug(20,Form("Already has all sensor volumes for ring %c",ringid)); | |
358 | continue; | |
359 | } | |
360 | // Get the copy (module) number, and check that it hasn't | |
361 | // already been added to the container. | |
362 | Int_t copy = node->GetNumber(); | |
363 | next.GetPath(path); | |
364 | // path.Replace("ALIC", "/ALIC_1"); | |
365 | align = Form("FMD/FMD%d_%c/FMD%c_%02d", fId, thisHalf, ringid, copy); | |
366 | ||
367 | switch (ringid) { | |
368 | case 'I': iInnerSensor++; break; | |
369 | case 'O': iOuterSensor++; break; | |
370 | } | |
371 | } | |
372 | if (!align.IsNull() && !path.IsNull()) { | |
373 | AliDebug(20, Form("Got %s -> %s", path.Data(), align.Data())); | |
374 | TGeoPNEntry* entry = | |
375 | gGeoManager->SetAlignableEntry(align.Data(),path.Data()); | |
376 | if(!entry) | |
377 | AliFatal(Form("Alignable entry %s not created. " | |
378 | "Volume path %s not valid", | |
379 | align.Data(),path.Data())); | |
380 | #ifdef MAKE_ALIGNABLE_PHYSICAL | |
381 | TGeoPhysicalNode* phys = gGeoManager->MakeAlignablePN(entry); | |
382 | if (!phys) | |
383 | AliWarning(Form("Physical node entry %s not created. " | |
384 | "Volume path %s not valid", | |
385 | align.Data(),path.Data())); | |
386 | #endif | |
387 | align = ""; | |
388 | } | |
389 | AliDebug(20, Form("FMD%d: top: %d bottom: %d Inner: %d/%d Outer %d/%d", | |
390 | fId, hasTop, hasBottom, iInnerSensor, nInnerSensor, | |
391 | iOuterSensor, nOuterSensor)); | |
392 | } | |
393 | } | |
394 | ||
395 | ||
396 | ||
1a1fdef7 | 397 | //____________________________________________________________________ |
398 | AliFMDRing* | |
399 | AliFMDDetector::GetRing(Char_t id) const | |
400 | { | |
088f8e79 | 401 | // Get the specified ring |
402 | // | |
403 | // ID Id of ring ('I' or 'O') | |
404 | // | |
1a1fdef7 | 405 | switch (id) { |
406 | case 'i': | |
407 | case 'I': return GetInner(); | |
408 | case 'o': | |
409 | case 'O': return GetOuter(); | |
410 | } | |
411 | return 0; | |
412 | } | |
413 | ||
414 | //____________________________________________________________________ | |
415 | Double_t | |
416 | AliFMDDetector::GetRingZ(Char_t id) const | |
417 | { | |
088f8e79 | 418 | // Get the z-coordinate specified ring |
419 | // | |
420 | // ID Id of ring ('I' or 'O') | |
421 | // | |
1a1fdef7 | 422 | switch (id) { |
423 | case 'i': | |
424 | case 'I': return GetInnerZ(); | |
425 | case 'o': | |
426 | case 'O': return GetOuterZ(); | |
427 | } | |
428 | return 0; | |
429 | } | |
bf000c32 | 430 | |
431 | //____________________________________________________________________ | |
432 | TGeoMatrix* | |
433 | AliFMDDetector::FindTransform(Char_t ring, UShort_t sector) const | |
434 | { | |
435 | // Find the transformation that corresponds to sector sector in ring | |
436 | // ring. | |
437 | TObjArray* matricies = 0; | |
438 | switch (ring) { | |
439 | case 'i': case 'I': matricies = fInnerTransforms; break; | |
440 | case 'o': case 'O': matricies = fOuterTransforms; break; | |
441 | } | |
442 | if (!matricies) { | |
443 | AliWarning(Form("Unknown ring %c of FMD%d", ring, fId)); | |
444 | return 0; | |
445 | } | |
446 | UInt_t module = sector / 2; | |
447 | TGeoMatrix* m = static_cast<TGeoMatrix*>(matricies->At(module)); | |
448 | if (!m) { | |
449 | AliWarning(Form("No matrix found for sector %d in FMD%d%c", | |
450 | sector, fId, ring)); | |
451 | return 0; | |
452 | } | |
453 | return m; | |
454 | } | |
455 | ||
456 | ||
1a1fdef7 | 457 | //____________________________________________________________________ |
458 | void | |
bf000c32 | 459 | AliFMDDetector::Detector2XYZ(Char_t ring, |
1a1fdef7 | 460 | UShort_t sector, |
461 | UShort_t strip, | |
462 | Double_t& x, | |
463 | Double_t& y, | |
464 | Double_t& z) const | |
465 | { | |
088f8e79 | 466 | // Translate detector coordinates (this,ring,sector,strip) into |
467 | // (x,y,z) coordinates (in global reference frame) | |
1a1fdef7 | 468 | AliFMDRing* r = GetRing(ring); |
469 | if (!r) return; | |
bf000c32 | 470 | TGeoMatrix* m = FindTransform(ring, sector); |
471 | if (!m) return; | |
472 | Double_t rho = r->GetStripRadius(strip); | |
473 | Double_t phi = ((sector % 2) - .5) * r->GetTheta(); | |
474 | Double_t siThick = r->GetSiThickness(); | |
475 | Double_t modThick = (siThick | |
476 | + r->GetPrintboardThickness() | |
477 | + r->GetCopperThickness() | |
478 | + r->GetChipThickness() | |
479 | + r->GetSpacing()); | |
15b17c89 | 480 | AliDebug(30,Form("Rho %7.3f, angle %7.3f", rho, phi)); |
bf000c32 | 481 | # define DEGRAD TMath::Pi() / 180. |
482 | Double_t local[] = { rho * TMath::Cos(phi * DEGRAD), | |
483 | rho * TMath::Sin(phi * DEGRAD), | |
484 | -modThick + siThick / 2 }; | |
485 | Double_t master[3]; | |
15b17c89 | 486 | AliDebug(30, Form("Local (%7.3f,%7.3f,%7.3f)",local[0], local[1], local[2])); |
bf000c32 | 487 | m->LocalToMaster(local, master); |
15b17c89 | 488 | AliDebug(30, Form("Master (%7.3f,%7.3f,%7.3f)", |
bf000c32 | 489 | master[0],master[1],master[2])); |
490 | x = master[0]; | |
491 | y = master[1]; | |
492 | z = master[2]; | |
1a1fdef7 | 493 | } |
494 | ||
54e415a8 | 495 | //____________________________________________________________________ |
496 | Bool_t | |
497 | AliFMDDetector::XYZ2Detector(Double_t x, | |
498 | Double_t y, | |
499 | Double_t z, | |
500 | Char_t& ring, | |
501 | UShort_t& sector, | |
502 | UShort_t& strip) const | |
503 | { | |
088f8e79 | 504 | // Translate (x,y,z) coordinates (in global reference frame) into |
505 | // detector coordinates (this,ring,sector,strip). | |
54e415a8 | 506 | AliFMDRing* rng = 0; |
507 | ring = -1; | |
508 | for (int j = 0; j < 2; j++) { | |
509 | rng = GetRing(j == 0 ? 'I' : 'O'); | |
510 | if (!rng) continue; | |
511 | Double_t ringZ = GetRingZ(j == 0 ? 'I' : 'O'); | |
512 | Double_t modSpace = TMath::Sign(rng->GetModuleSpacing(), ringZ); | |
513 | if (TMath::Abs(z - ringZ) < 0.01 || | |
514 | TMath::Abs(z - ringZ + modSpace) < 0.01) break; | |
515 | rng = 0; | |
516 | } | |
517 | if (rng && rng->XYZ2Detector(x, y, z - GetRingZ(rng->GetId()), | |
518 | sector, strip)) { | |
519 | ring = rng->GetId(); | |
520 | return kTRUE; | |
521 | } | |
522 | return kFALSE; | |
523 | } | |
524 | ||
525 | ||
526 | ||
1a1fdef7 | 527 | //____________________________________________________________________ |
528 | // | |
529 | // EOF | |
530 | // |