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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 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | //__________________________________________________________________ | |
19 | // | |
20 | // Utility class to help implement collection of FMD modules into | |
21 | // rings. This is used by AliFMDSubDetector and AliFMD. | |
22 | // | |
23 | // The AliFMD object owns the AliFMDRing objects, and the | |
24 | // AliFMDSubDetector objects reference these. That is, the AliFMDRing | |
25 | // objects are share amoung the AliFMDSubDetector objects. | |
26 | // | |
27 | // Latest changes by Christian Holm Christensen | |
28 | // | |
29 | #ifndef ALIFMDRING_H | |
30 | # include "AliFMDRing.h" | |
31 | #endif | |
32 | #ifndef ALILOG_H | |
33 | # include "AliLog.h" | |
34 | #endif | |
35 | #ifndef ROOT_TMath | |
36 | # include <TMath.h> | |
37 | #endif | |
38 | #ifndef ROOT_TH2 | |
39 | # include <TH2.h> | |
40 | #endif | |
41 | #ifndef ROOT_TVirtualMC | |
42 | # include <TVirtualMC.h> | |
43 | #endif | |
44 | #ifndef ROOT_TVector2 | |
45 | # include <TVector2.h> | |
46 | #endif | |
47 | #ifndef ROOT_TBrowser | |
48 | # include <TBrowser.h> | |
49 | #endif | |
50 | #ifndef ROOT_TString | |
51 | # include <TString.h> | |
52 | #endif | |
53 | #ifndef ROOT_TArc | |
54 | # include <TArc.h> | |
55 | #endif | |
56 | #ifndef ROOT_TObjArray | |
57 | # include <TObjArray.h> | |
58 | #endif | |
59 | #ifndef ROOT_TXTRU | |
60 | # include <TXTRU.h> | |
61 | #endif | |
62 | #ifndef ROOT_TNode | |
63 | # include <TNode.h> | |
64 | #endif | |
65 | #ifndef ROOT_TRotMatrix | |
66 | # include <TRotMatrix.h> | |
67 | #endif | |
68 | #ifndef ROOT_TList | |
69 | # include <TList.h> | |
70 | #endif | |
71 | #ifndef __IOSTREAM__ | |
72 | # include <iostream> | |
73 | #endif | |
74 | ||
75 | const Char_t* AliFMDRing::fgkRingFormat = "FRG%c"; | |
76 | const Char_t* AliFMDRing::fgkVirtualFormat = "FV%c%c"; | |
77 | const Char_t* AliFMDRing::fgkActiveFormat = "FAC%c"; | |
78 | const Char_t* AliFMDRing::fgkSectorFormat = "FSE%c"; | |
79 | const Char_t* AliFMDRing::fgkStripFormat = "FST%c"; | |
80 | const Char_t* AliFMDRing::fgkPrintboardFormat = "FP%c%c"; | |
81 | ||
82 | ||
83 | //____________________________________________________________________ | |
84 | ClassImp(AliFMDRing); | |
85 | ||
86 | //____________________________________________________________________ | |
87 | AliFMDRing::AliFMDRing(Char_t id, Bool_t detailed) | |
88 | : fId(id), | |
89 | fDetailed(detailed), | |
90 | fActiveId(0), | |
91 | fPrintboardBottomId(0), | |
92 | fPrintboardTopId(0), | |
93 | fRingId(0), | |
94 | fSectionId(0), | |
95 | fStripId(0), | |
96 | fVirtualBackId(0), | |
97 | fVirtualFrontId(0), | |
98 | fBondingWidth(0), | |
99 | fWaferRadius(0), | |
100 | fSiThickness(0), | |
101 | fLowR(0), | |
102 | fHighR(0), | |
103 | fTheta(0), | |
104 | fNStrips(0), | |
105 | fRingDepth(0), | |
106 | fLegRadius(0), | |
107 | fLegLength(0), | |
108 | fLegOffset(0), | |
109 | fModuleSpacing(0), | |
110 | fPrintboardThickness(0), | |
111 | fShape(0), | |
112 | fRotMatricies(0) | |
113 | { | |
114 | // Construct a alifmdring. | |
115 | // | |
116 | // id Id of the ring (either 'i' or 'o'). | |
117 | // detailed Whether the strips are made or not. | |
118 | // | |
119 | } | |
120 | ||
121 | //____________________________________________________________________ | |
122 | AliFMDRing::AliFMDRing(const AliFMDRing& other) | |
123 | : TObject(other), | |
124 | fId(other.fId), | |
125 | fDetailed(other.fDetailed), | |
126 | fActiveId(other.fActiveId), | |
127 | fPrintboardBottomId(other.fPrintboardBottomId), | |
128 | fPrintboardTopId(other.fPrintboardTopId), | |
129 | fRingId(other.fRingId), | |
130 | fSectionId(other.fSectionId), | |
131 | fStripId(other.fStripId), | |
132 | fVirtualBackId(other.fVirtualBackId), | |
133 | fVirtualFrontId(other.fVirtualFrontId), | |
134 | fBondingWidth(other.fBondingWidth), | |
135 | fWaferRadius(other.fWaferRadius), | |
136 | fSiThickness(other.fSiThickness), | |
137 | fLowR(other.fLowR), | |
138 | fHighR(other.fHighR), | |
139 | fTheta(other.fTheta), | |
140 | fNStrips(other.fNStrips), | |
141 | fRingDepth(other.fRingDepth), | |
142 | fLegRadius(other.fLegRadius), | |
143 | fLegLength(other.fLegLength), | |
144 | fLegOffset(other.fLegOffset), | |
145 | fModuleSpacing(other.fModuleSpacing), | |
146 | fPrintboardThickness(other.fPrintboardThickness), | |
147 | fRotations(other.fRotations), | |
148 | fShape(other.fShape), | |
149 | fRotMatricies(other.fRotMatricies) | |
150 | { | |
151 | // Copy constructor of a AliFMDRing. | |
152 | } | |
153 | ||
154 | //____________________________________________________________________ | |
155 | AliFMDRing& | |
156 | AliFMDRing::operator=(const AliFMDRing& other) | |
157 | { | |
158 | // Assignment operator | |
159 | // | |
160 | fId = other.fId; | |
161 | fDetailed = other.fDetailed; | |
162 | fActiveId = other.fActiveId; | |
163 | fPrintboardBottomId = other.fPrintboardBottomId; | |
164 | fPrintboardTopId = other.fPrintboardTopId; | |
165 | fRingId = other.fRingId; | |
166 | fSectionId = other.fSectionId; | |
167 | fStripId = other.fStripId; | |
168 | fVirtualBackId = other.fVirtualBackId; | |
169 | fVirtualFrontId = other.fVirtualFrontId; | |
170 | fBondingWidth = other.fBondingWidth; | |
171 | fWaferRadius = other.fWaferRadius; | |
172 | fSiThickness = other.fSiThickness; | |
173 | fLowR = other.fLowR; | |
174 | fHighR = other.fHighR; | |
175 | fTheta = other.fTheta; | |
176 | fNStrips = other.fNStrips; | |
177 | fRingDepth = other.fRingDepth; | |
178 | fLegRadius = other.fLegRadius; | |
179 | fLegLength = other.fLegLength; | |
180 | fLegOffset = other.fLegOffset; | |
181 | fModuleSpacing = other.fModuleSpacing; | |
182 | fPrintboardThickness = other.fPrintboardThickness; | |
183 | fRotations = other.fRotations; | |
184 | if (other.fShape) { | |
185 | if (other.fShape->IsA() == TXTRU::Class()) | |
186 | ((TXTRU*)other.fShape)->Copy(*fShape); | |
187 | else | |
188 | fShape = 0; | |
189 | } | |
190 | if (other.fRotMatricies) { | |
191 | Int_t n = other.fRotMatricies->GetEntries(); | |
192 | if (!fRotMatricies) fRotMatricies = new TObjArray(n); | |
193 | else fRotMatricies->Expand(n); | |
194 | TIter next(other.fRotMatricies); | |
195 | TObject* o = 0; | |
196 | while ((o = next())) fRotMatricies->Add(o); | |
197 | } | |
198 | return *this; | |
199 | } | |
200 | ||
201 | ||
202 | ||
203 | //____________________________________________________________________ | |
204 | void | |
205 | AliFMDRing::Init() | |
206 | { | |
207 | // Initialize the ring object. | |
208 | // DebugGuard guard("AliFMDRing::Init"); | |
209 | AliDebug(10, "AliFMDRing::Init"); | |
210 | fPolygon.Clear(); | |
211 | SetupCoordinates(); | |
212 | } | |
213 | ||
214 | //____________________________________________________________________ | |
215 | AliFMDRing::~AliFMDRing() | |
216 | { | |
217 | // Destructor - deletes shape and rotation matricies | |
218 | if (fShape) delete fShape; | |
219 | if (fRotMatricies) delete fRotMatricies; | |
220 | } | |
221 | ||
222 | ||
223 | //____________________________________________________________________ | |
224 | void | |
225 | AliFMDRing::Browse(TBrowser* /* b */) | |
226 | { | |
227 | // DebugGuard guard("AliFMDRing::Browse"); | |
228 | AliDebug(10, "AliFMDRing::Browse"); | |
229 | } | |
230 | ||
231 | ||
232 | //____________________________________________________________________ | |
233 | void | |
234 | AliFMDRing::SetupCoordinates() | |
235 | { | |
236 | // Calculates the parameters of the polygon shape. | |
237 | // | |
238 | // DebugGuard guard("AliFMDRing::SetupCoordinates"); | |
239 | AliDebug(10, "AliFMDRing::SetupCoordinates"); | |
240 | // Get out immediately if we have already done all this | |
241 | if (fPolygon.GetNVerticies() > 1) return; | |
242 | ||
243 | double tanTheta = TMath::Tan(fTheta * TMath::Pi() / 180.); | |
244 | double tanTheta2 = TMath::Power(tanTheta,2); | |
245 | double r2 = TMath::Power(fWaferRadius,2); | |
246 | double yA = tanTheta * fLowR; | |
247 | double lr2 = TMath::Power(fLowR, 2); | |
248 | double hr2 = TMath::Power(fHighR,2); | |
249 | double xD = fLowR + TMath::Sqrt(r2 - tanTheta2 * lr2); | |
250 | double xD2 = TMath::Power(xD,2); | |
251 | //double xD_2 = fLowR - TMath::Sqrt(r2 - tanTheta2 * lr2); | |
252 | double yB = sqrt(r2 - hr2 + 2 * fHighR * xD - xD2); | |
253 | double xC = ((xD + TMath::Sqrt(-tanTheta2 * xD2 + r2 | |
254 | + r2 * tanTheta2)) | |
255 | / (1 + tanTheta2)); | |
256 | double yC = tanTheta * xC; | |
257 | ||
258 | fPolygon.AddVertex(fLowR, -yA); | |
259 | fPolygon.AddVertex(xC, -yC); | |
260 | fPolygon.AddVertex(fHighR, -yB); | |
261 | fPolygon.AddVertex(fHighR, yB); | |
262 | fPolygon.AddVertex(xC, yC); | |
263 | fPolygon.AddVertex(fLowR, yA); | |
264 | } | |
265 | ||
266 | //____________________________________________________________________ | |
267 | bool | |
268 | AliFMDRing::IsWithin(size_t moduleNo, double x, double y) const | |
269 | { | |
270 | // Checks if a point (x,y) is inside the module with number moduleNo | |
271 | // | |
272 | // DebugGuard guard("AliFMDRing::IsWithin"); | |
273 | AliDebug(10, "AliFMDRing::IsWithin"); | |
274 | bool ret = false; | |
275 | double r2 = x * x + y * y; | |
276 | if (r2 < fHighR * fHighR && r2 > fLowR * fLowR) { | |
277 | // double point_angle = TMath::ATan2(y, x); | |
278 | // int n_modules = 360 / Int_t(fTheta * 2); | |
279 | double m_angle = (.5 + moduleNo) * 2 * fTheta; | |
280 | double m_radians = TMath::Pi() * m_angle / 180.; | |
281 | ||
282 | // Rotate the point. | |
283 | double xr = x * TMath::Cos(-m_radians) - y * TMath::Sin(-m_radians); | |
284 | double yr = x * TMath::Sin(-m_radians) + y * TMath::Cos(-m_radians); | |
285 | ||
286 | ret = fPolygon.Contains(xr,yr); | |
287 | } | |
288 | return ret; | |
289 | } | |
290 | ||
291 | ||
292 | ||
293 | ||
294 | //____________________________________________________________________ | |
295 | void | |
296 | AliFMDRing::Draw(Option_t* option) const | |
297 | { | |
298 | // Draw a the shape of the ring into a 2D histogram. Useful for | |
299 | // superimposing the actual shape of the ring onto a scatter plot of | |
300 | // hits in the detector. | |
301 | // | |
302 | // DebugGuard guard("AliFMDRing::Draw"); | |
303 | AliDebug(10, "AliFMDRing::Draw"); | |
304 | // The unrotated coordinates of the polygon verticies | |
305 | if (fPolygon.GetNVerticies() < 1) return; | |
306 | ||
307 | TVector2 v[6]; | |
308 | for (size_t i = 0; i < fPolygon.GetNVerticies(); i++) | |
309 | v[i] = fPolygon.GetVertex(i); | |
310 | ||
311 | Int_t nModules = 360 / Int_t(fTheta * 2); | |
312 | Double_t dTheta = fTheta * 2; | |
313 | ||
314 | TString opt(option); | |
315 | if (opt.Contains("B", TString::kIgnoreCase)) { | |
316 | opt.Remove(opt.Index("B", 1, TString::kIgnoreCase),1); | |
317 | TH1* null = new TH2F("null", "Null", | |
318 | 100, -fHighR * 1.1, fHighR * 1.1, | |
319 | 100, -fHighR * 1.1, fHighR * 1.1); | |
320 | null->SetStats(0); | |
321 | null->Draw(opt.Data()); | |
322 | } | |
323 | ||
324 | for (int i = 0; i < nModules; i++) { | |
325 | Double_t theta = (i + .5) * dTheta; | |
326 | AliFMDPolygon p; | |
327 | for (int j = 0; j < 6; j++) { | |
328 | TVector2 vr(v[j].Rotate(TMath::Pi() * theta / 180.)); | |
329 | if (!p.AddVertex(vr.X(),vr.Y())) { | |
330 | // std::cerr << "Draw of polygon " << i << " failed" << std::endl; | |
331 | break; | |
332 | } | |
333 | } | |
334 | p.Draw(opt.Data(), Form("MOD%c_%d", fId, i)); | |
335 | } | |
336 | if (opt.Contains("0", TString::kIgnoreCase)) { | |
337 | TArc* arcH = new TArc(0,0, fHighR); | |
338 | arcH->SetLineStyle(2); | |
339 | arcH->SetLineColor(4); | |
340 | arcH->Draw(); | |
341 | ||
342 | TArc* arcL = new TArc(0,0, fLowR); | |
343 | arcL->SetLineStyle(2); | |
344 | arcL->SetLineColor(4); | |
345 | arcL->Draw(); | |
346 | } | |
347 | } | |
348 | ||
349 | //____________________________________________________________________ | |
350 | void | |
351 | AliFMDRing::SetupGeometry(Int_t vacuumId, Int_t siId, Int_t pcbId, | |
352 | Int_t pbRotId, Int_t idRotId) | |
353 | { | |
354 | // Setup the geometry of the ring. It defines the volumes | |
355 | // RNGI or RNGO which can later be positioned in a sub-detector | |
356 | // volume. | |
357 | // | |
358 | // The hieracy of the RNGx volume is | |
359 | // | |
360 | // FRGx // Ring volume | |
361 | // FVFx // Container of hybrid + legs | |
362 | // FACx // Active volume (si sensor approx) | |
363 | // FSEx // Section division | |
364 | // FSTx // Strip division | |
365 | // FPTx // Print board (bottom) | |
366 | // FPBx // Print board (top) | |
367 | // FLL // Support leg (long version) | |
368 | // FVBx // Container of hybrid + legs | |
369 | // FACx // Active volume (si sensor approx) | |
370 | // FSEx // Section division | |
371 | // FSTx // Strip division | |
372 | // FPTx // Print board (bottom) | |
373 | // FPBx // Print board (top) | |
374 | // FSL // Support leg (long version) | |
375 | // | |
376 | // Parameters: | |
377 | // | |
378 | // vacuumId Medium of inactive virtual volumes | |
379 | // siId Medium of Silicon sensor (active) | |
380 | // pcbId Medium of print boards | |
381 | // pbRotId Print board rotation matrix | |
382 | // idRotId Identity rotation matrix | |
383 | // | |
384 | // DebugGuard guard("AliFMDRing::SetupGeometry"); | |
385 | AliDebug(10, "AliFMDRing::SetupGeometry"); | |
386 | ||
387 | const TVector2& bCorner = fPolygon.GetVertex(3); // Third corner | |
388 | const TVector2& aCorner = fPolygon.GetVertex(5); // First corner | |
389 | const TVector2& cCorner = fPolygon.GetVertex(4); // Second corner | |
390 | TString name; | |
391 | TString name2; | |
392 | Double_t dStrip = (bCorner.Mod() - aCorner.Mod()) / fNStrips; | |
393 | Double_t stripOff = aCorner.Mod(); | |
394 | Double_t rmin = fLowR; | |
395 | Double_t rmax = bCorner.Mod(); | |
396 | Double_t pars[10]; | |
397 | fRingDepth = (fSiThickness | |
398 | + fPrintboardThickness | |
399 | + fLegLength | |
400 | + fModuleSpacing); | |
401 | ||
402 | // Ring virtual volume | |
403 | pars[0] = rmin; | |
404 | pars[1] = rmax; | |
405 | pars[2] = fRingDepth / 2; | |
406 | name = Form(fgkRingFormat, fId); | |
407 | fRingId = gMC->Gsvolu(name.Data(), "TUBE", vacuumId, pars, 3); | |
408 | ||
409 | // Virtual volume for modules with long legs | |
410 | pars[1] = rmax; | |
411 | pars[3] = -fTheta; | |
412 | pars[4] = fTheta; | |
413 | name = Form(fgkVirtualFormat, 'F', fId); | |
414 | fVirtualFrontId = gMC->Gsvolu(name.Data(), "TUBS", vacuumId, pars, 5); | |
415 | ||
416 | // Virtual volume for modules with long legs | |
417 | pars[2] = (fRingDepth - fModuleSpacing) / 2; | |
418 | name = Form(fgkVirtualFormat, 'B', fId); | |
419 | fVirtualBackId = gMC->Gsvolu(name.Data(), "TUBS", vacuumId, pars, 5); | |
420 | ||
421 | // Virtual mother volume for silicon | |
422 | pars[2] = fSiThickness/2; | |
423 | name2 = name; | |
424 | name = Form(fgkActiveFormat, fId); | |
425 | fActiveId = gMC->Gsvolu(name.Data(), "TUBS", vacuumId , pars, 5); | |
426 | ||
427 | if (fDetailed) { | |
428 | // Virtual sector volumes | |
429 | name2 = name; | |
430 | name = Form(fgkSectorFormat, fId); | |
431 | gMC->Gsdvn2(name.Data(), name2.Data(), 2, 2, -fTheta, vacuumId); | |
432 | fSectionId = gMC->VolId(name.Data()); | |
433 | ||
434 | // Active strip volumes | |
435 | name2 = name; | |
436 | name = Form(fgkStripFormat, fId); | |
437 | gMC->Gsdvt2(name.Data(), name2.Data(), dStrip, 1,stripOff, siId, fNStrips); | |
438 | fStripId = gMC->VolId(name.Data()); | |
439 | } | |
440 | ||
441 | // Print-board on back of module | |
442 | pars[4] = TMath::Tan(TMath::Pi() * fTheta / 180) * fBondingWidth; | |
443 | // Top of the print board | |
444 | pars[0] = cCorner.Y() - pars[4]; | |
445 | pars[1] = bCorner.Y() - pars[4]; | |
446 | pars[2] = fPrintboardThickness / 2; // PCB half thickness | |
447 | pars[3] = (bCorner.X() - cCorner.X()) / 2; | |
448 | name = Form(fgkPrintboardFormat, 'T', fId); | |
449 | fPrintboardTopId = gMC->Gsvolu(name.Data(), "TRD1", pcbId, pars, 4); | |
450 | ||
451 | // Bottom of the print board | |
452 | pars[0] = aCorner.Y() - pars[4]; | |
453 | pars[1] = cCorner.Y() - pars[4]; | |
454 | pars[3] = (cCorner.X() - aCorner.X()) / 2; | |
455 | name = Form(fgkPrintboardFormat, 'B', fId); | |
456 | fPrintboardBottomId = gMC->Gsvolu(name.Data(), "TRD1", pcbId, pars, 4); | |
457 | ||
458 | // Define rotation matricies | |
459 | Int_t nModules = 360 / Int_t(fTheta * 2); | |
460 | Double_t dTheta = fTheta * 2; | |
461 | fRotations.Set(nModules); | |
462 | for (int i = 0; i < nModules; i++) { | |
463 | Double_t theta = (i + .5) * dTheta; | |
464 | Int_t idrot = 0; | |
465 | // Rotation matrix for virtual module volumes | |
466 | gMC->Matrix(idrot, 90, theta, 90, fmod(90 + theta, 360), 0, 0); | |
467 | fRotations[i] = idrot; | |
468 | } | |
469 | ||
470 | ||
471 | // Int_t nModules = 360 / Int_t(fTheta * 2); | |
472 | // Double_t dTheta = fTheta * 2; | |
473 | Double_t pbTopL = (bCorner.X() - cCorner.X()); | |
474 | Double_t pbBotL = (cCorner.X() - aCorner.X()); | |
475 | Double_t yoffset = ((TMath::Tan(TMath::Pi() * fTheta / 180) | |
476 | * fBondingWidth)); | |
477 | ||
478 | for (int i = 0; i < nModules; i++) { | |
479 | TString name2 = Form(fgkRingFormat, fId); | |
480 | ||
481 | Int_t id = i; | |
482 | // Double_t theta = (i + .5) * dTheta; | |
483 | Bool_t isFront = (i % 2 == 1); | |
484 | Double_t dz = 0; | |
485 | Double_t w = fRingDepth - (isFront ? 0 : fModuleSpacing); | |
486 | ||
487 | // Place virtual module volume | |
488 | name = Form(fgkVirtualFormat, (isFront ? 'F' : 'B'), fId); | |
489 | dz = (w - fRingDepth) / 2; | |
490 | gMC->Gspos(name.Data(), id, name2.Data(), 0., 0., dz,fRotations[i]); | |
491 | ||
492 | // We only need to place the children once, they are copied when | |
493 | // we place the other virtual volumes. | |
494 | if (i > 1) continue; | |
495 | name2 = name; | |
496 | ||
497 | // Place active silicon wafer - this is put so that the front of | |
498 | // the silicon is on the edge of the virtual volume. | |
499 | name = Form(fgkActiveFormat, fId); | |
500 | dz = (w - fSiThickness) / 2; | |
501 | gMC->Gspos(name.Data(), id, name2.Data(),0.,0.,dz,idRotId); | |
502 | ||
503 | // Place print board. This is put immediately behind the silicon | |
504 | name = Form(fgkPrintboardFormat, 'T', fId); | |
505 | dz = w / 2 - fSiThickness - fPrintboardThickness / 2; | |
506 | gMC->Gspos(name.Data(), id, name2.Data(), | |
507 | fLowR + pbBotL + pbTopL / 2, 0, dz, pbRotId, "ONLY"); | |
508 | name = Form(fgkPrintboardFormat, 'B', fId); | |
509 | gMC->Gspos(name.Data(), id, name2.Data(), | |
510 | fLowR + pbBotL / 2, 0, dz, pbRotId, "ONLY"); | |
511 | ||
512 | // Support legs | |
513 | // This is put immediately behind the pringboard. | |
514 | dz = (w / 2 - fSiThickness - fPrintboardThickness | |
515 | - (fLegLength + (isFront ? fModuleSpacing : 0)) /2); | |
516 | name = (isFront ? "FLL" : "FSL"); | |
517 | gMC->Gspos(name.Data(), id*10 + 1, name2.Data(), | |
518 | aCorner.X() + fLegOffset + fLegRadius, 0., dz, idRotId, ""); | |
519 | Double_t y = cCorner.Y() - yoffset - fLegOffset - fLegRadius; | |
520 | gMC->Gspos(name.Data(),id*10+2,name2.Data(),cCorner.X(), y,dz,idRotId,""); | |
521 | gMC->Gspos(name.Data(),id*10+3,name2.Data(),cCorner.X(), -y,dz,idRotId,""); | |
522 | } | |
523 | } | |
524 | //____________________________________________________________________ | |
525 | void | |
526 | AliFMDRing::Geometry(const char* mother, Int_t baseId, Double_t z, | |
527 | Int_t /* pbRotId */, Int_t idRotId) | |
528 | { | |
529 | // Positions a RNGx volume inside a mother. | |
530 | // | |
531 | // Parameters | |
532 | // | |
533 | // mother Mother volume to position the RNGx volume in | |
534 | // baseId Base copy number | |
535 | // z Z coordinate where the front of the active silicon | |
536 | // should be in the mother volume, so we need to | |
537 | // subtract half the ring width. | |
538 | // idRotId Identity rotation matrix | |
539 | // | |
540 | // DebugGuard guard("AliFMDRing::Geometry"); | |
541 | AliDebug(10, "AliFMDRing::Geometry"); | |
542 | TString name; | |
543 | Double_t offsetZ = (fSiThickness | |
544 | + fPrintboardThickness | |
545 | + fLegLength + fModuleSpacing) / 2; | |
546 | name = Form(fgkRingFormat, fId); | |
547 | gMC->Gspos(name.Data(), baseId, mother, 0., 0., z - offsetZ, idRotId, ""); | |
548 | } | |
549 | ||
550 | //____________________________________________________________________ | |
551 | void | |
552 | AliFMDRing::SimpleGeometry(TList* nodes, | |
553 | TNode* mother, | |
554 | Int_t colour, | |
555 | Double_t z, | |
556 | Int_t n) | |
557 | { | |
558 | // Make a simple geometry of the ring for event display. | |
559 | // | |
560 | // The simple geometry is made from ROOT TNode and TShape objects. | |
561 | // Note, that we cache the TShape and TRotMatrix objects used for | |
562 | // this. | |
563 | // | |
564 | // Parameters | |
565 | // | |
566 | // nodes List of nodes to register all create nodes in | |
567 | // mother Mother node to put the ring in. | |
568 | // colour Colour of the nodes | |
569 | // z Z position of the node in the mother volume | |
570 | // n Detector number | |
571 | // | |
572 | // DebugGuard guard("AliFMDRing::SimpleGeometry"); | |
573 | AliDebug(10, "AliFMDRing::SimpleGeometry"); | |
574 | SetupCoordinates(); | |
575 | ||
576 | // If the shape hasn't been defined yet, we define it here. | |
577 | if (!fShape) { | |
578 | TString name(Form(fgkActiveFormat, fId)); | |
579 | TString title(Form("Shape of modules in %c Rings", fId)); | |
580 | Int_t n = fPolygon.GetNVerticies(); | |
581 | TXTRU* shape = new TXTRU(name.Data(), title.Data(), "void", n, 2); | |
582 | for (Int_t i = 0; i < n; i++) { | |
583 | const TVector2& v = fPolygon.GetVertex(i); | |
584 | shape->DefineVertex(i, v.X(), v.Y()); | |
585 | } | |
586 | shape->DefineSection(0, - fSiThickness / 2, 1, 0, 0); | |
587 | shape->DefineSection(1, + fSiThickness / 2, 1, 0, 0); | |
588 | fShape = shape; | |
589 | fShape->SetLineColor(colour); | |
590 | } | |
591 | ||
592 | Int_t nModules = 360 / Int_t(fTheta * 2); | |
593 | Double_t dTheta = fTheta * 2; | |
594 | ||
595 | // If the roation matricies hasn't been defined yet, we do so here | |
596 | if (!fRotMatricies) { | |
597 | fRotMatricies = new TObjArray(nModules); | |
598 | for (int i = 0; i < nModules; i++) { | |
599 | Double_t theta = (i + .5) * dTheta; | |
600 | TString name(Form("FMD_ring_%c_rot", fId)); | |
601 | TString title(Form("FMD Ring %c Rotation", fId)); | |
602 | TRotMatrix* rot = | |
603 | new TRotMatrix(name.Data(), title.Data(), | |
604 | 90, theta, 90, fmod(90 + theta, 360), 0, 0); | |
605 | fRotMatricies->AddAt(rot, i); | |
606 | } | |
607 | } | |
608 | ||
609 | Double_t offsetZ = (fSiThickness | |
610 | + fPrintboardThickness | |
611 | + fLegLength + fModuleSpacing) / 2; | |
612 | ||
613 | // Make all the nodes | |
614 | for (int i = 0; i < nModules; i++) { | |
615 | Bool_t isFront = (i % 2 == 1); | |
616 | mother->cd(); | |
617 | TRotMatrix* rot = static_cast<TRotMatrix*>(fRotMatricies->At(i)); | |
618 | TString name(Form("FAC%c_%d_%d", fId, n, i)); | |
619 | TString title(Form("Active FMD%d volume in %c Ring", n, fId)); | |
620 | TNode* node = new TNode(name.Data(), title.Data(), fShape, | |
621 | 0, 0, | |
622 | z - offsetZ + (isFront ? fModuleSpacing : 0), | |
623 | rot); | |
624 | node->SetLineColor(colour); | |
625 | nodes->Add(node); | |
626 | } | |
627 | } | |
628 | ||
629 | ||
630 | ||
631 | //____________________________________________________________________ | |
632 | void | |
633 | AliFMDRing::Gsatt() | |
634 | { | |
635 | // Set drawing attributes for the RING | |
636 | // | |
637 | // DebugGuard guard("AliFMDRing::Gsatt"); | |
638 | AliDebug(10, "AliFMDRing::Gsatt"); | |
639 | TString name; | |
640 | name = Form(fgkRingFormat,fId); | |
641 | gMC->Gsatt(name.Data(), "SEEN", 0); | |
642 | ||
643 | name = Form(fgkVirtualFormat, 'T', fId); | |
644 | gMC->Gsatt(name.Data(), "SEEN", 0); | |
645 | ||
646 | name = Form(fgkVirtualFormat, 'B', fId); | |
647 | gMC->Gsatt(name.Data(), "SEEN", 0); | |
648 | ||
649 | name = Form(fgkActiveFormat,fId); | |
650 | gMC->Gsatt(name.Data(), "SEEN", 1); | |
651 | ||
652 | name = Form(fgkPrintboardFormat, 'T', fId); | |
653 | gMC->Gsatt(name.Data(), "SEEN", 1); | |
654 | ||
655 | name = Form(fgkPrintboardFormat, 'B',fId); | |
656 | gMC->Gsatt(name.Data(), "SEEN", 1); | |
657 | } | |
658 | ||
659 | // | |
660 | // EOF | |
661 | // |