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e118b27e | 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 | /* $Id$ */ | |
17 | ||
18 | // Class AliMUONSt12QuadrantSegmentation | |
19 | // ------------------------------------- | |
20 | // Segmentation for MUON quadrants of stations 1 and 2 using | |
21 | // the mapping package | |
22 | // | |
23 | // Author: Ivana Hrivnacova, IPN Orsay | |
9afdc733 | 24 | |
e118b27e | 25 | #include <TError.h> |
26 | #include <TF1.h> | |
27 | #include <TObjArray.h> | |
28 | #include <TVector2.h> | |
b7ef3c96 | 29 | #include <TSystem.h> |
30 | ||
31 | #include "AliLog.h" | |
e118b27e | 32 | |
33 | #include "AliMpPad.h" | |
34 | #include "AliMpArea.h" | |
ab126d0a | 35 | #include "AliMpSectorReader.h" |
e118b27e | 36 | #include "AliMpSector.h" |
37 | #include "AliMpVPadIterator.h" | |
38 | #include "AliMpSectorSegmentation.h" | |
a713db22 | 39 | #include "AliMpFiles.h" |
ddde88da | 40 | #include "AliMpNeighboursPadIterator.h" |
b7ef3c96 | 41 | |
42 | #include "AliMUONSt12QuadrantSegmentation.h" | |
43 | #include "AliMUONConstants.h" | |
e118b27e | 44 | |
45 | ClassImp(AliMUONSt12QuadrantSegmentation) | |
46 | ||
10bb087f | 47 | const Float_t AliMUONSt12QuadrantSegmentation::fgkWireD = 0.21; |
e118b27e | 48 | |
49 | //______________________________________________________________________________ | |
50 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation( | |
51 | AliMpStationType stationType, | |
52 | AliMpPlaneType planeType) | |
e0a49962 | 53 | : AliMUONVGeometryDESegmentation(), |
59090931 | 54 | fStationType(stationType), |
55 | fPlaneType(planeType), | |
e118b27e | 56 | fSector(0), |
57 | fSectorSegmentation(0), | |
58 | fSectorIterator(0), | |
59 | fWireD(fgkWireD), | |
60 | fChamber(0), | |
61 | fId(0), | |
62 | fRmin(0.), | |
63 | fRmax(0.), | |
64 | fZ(0.), | |
65 | fIx(0), | |
66 | fIy(0), | |
67 | fX(0.), | |
68 | fY(0.), | |
69 | fZone(0), | |
70 | fXhit(0.), | |
71 | fYhit(0.), | |
72 | fIxt(0), | |
73 | fIyt(0), | |
74 | fIwt(0), | |
75 | fXt(0.), | |
76 | fYt(0.), | |
77 | fCorrA(0) | |
78 | { | |
79 | // Normal constructor | |
a713db22 | 80 | |
59090931 | 81 | ReadMappingData(); |
e118b27e | 82 | |
83 | fCorrA = new TObjArray(3); | |
84 | fCorrA->AddAt(0,0); | |
85 | fCorrA->AddAt(0,1); | |
86 | fCorrA->AddAt(0,2); | |
b7ef3c96 | 87 | |
88 | AliDebug(1, Form("ctor this = %p", this) ); | |
e118b27e | 89 | } |
90 | ||
91 | //______________________________________________________________________________ | |
92 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation() | |
e0a49962 | 93 | : AliMUONVGeometryDESegmentation(), |
59090931 | 94 | fStationType(kStation1), |
95 | fPlaneType(kBendingPlane), | |
e118b27e | 96 | fSector(0), |
97 | fSectorSegmentation(0), | |
98 | fSectorIterator(0), | |
99 | fWireD(fgkWireD), | |
100 | fChamber(0), | |
101 | fId(0), | |
102 | fRmin(0.), | |
103 | fRmax(0.), | |
104 | fZ(0.), | |
105 | fIx(0), | |
106 | fIy(0), | |
107 | fX(0.), | |
108 | fY(0.), | |
109 | fZone(0), | |
110 | fXhit(0.), | |
111 | fYhit(0.), | |
112 | fIxt(0), | |
113 | fIyt(0), | |
114 | fIwt(0), | |
115 | fXt(0.), | |
116 | fYt(0.), | |
117 | fCorrA(0) { | |
118 | // Default Constructor | |
b7ef3c96 | 119 | |
120 | AliDebug(1, Form("default (empty) ctor this = %p", this)); | |
e118b27e | 121 | } |
122 | ||
123 | //______________________________________________________________________________ | |
124 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation(const AliMUONSt12QuadrantSegmentation& rhs) | |
e0a49962 | 125 | : AliMUONVGeometryDESegmentation(rhs) |
e118b27e | 126 | { |
127 | // Copy constructor | |
128 | AliFatal("Copy constructor is not implemented."); | |
129 | } | |
130 | ||
131 | //______________________________________________________________________________ | |
132 | AliMUONSt12QuadrantSegmentation::~AliMUONSt12QuadrantSegmentation() { | |
133 | // Destructor | |
134 | ||
b7ef3c96 | 135 | AliDebug(1, Form("dtor this = %p", this)); |
136 | ||
e118b27e | 137 | delete fSector; |
138 | delete fSectorSegmentation; | |
139 | delete fSectorIterator; | |
140 | } | |
141 | ||
142 | // | |
143 | // operators | |
144 | // | |
145 | ||
146 | //______________________________________________________________________________ | |
147 | AliMUONSt12QuadrantSegmentation& | |
148 | AliMUONSt12QuadrantSegmentation::operator=(const AliMUONSt12QuadrantSegmentation& rhs) | |
149 | { | |
150 | // Copy operator | |
151 | ||
152 | // check assignement to self | |
153 | if (this == &rhs) return *this; | |
154 | ||
155 | AliFatal("Assignment operator is not implemented."); | |
156 | ||
157 | return *this; | |
158 | } | |
159 | ||
160 | // | |
161 | // private methods | |
162 | // | |
163 | ||
164 | //______________________________________________________________________________ | |
165 | void AliMUONSt12QuadrantSegmentation::UpdateCurrentPadValues(const AliMpPad& pad) | |
166 | { | |
167 | // Updates current pad values. | |
168 | // --- | |
169 | ||
170 | fIx = pad.GetIndices().GetFirst(); | |
171 | fIy = pad.GetIndices().GetSecond(); | |
dfaf6b0d | 172 | fX = pad.Position().X(); |
173 | fY = pad.Position().Y(); | |
e118b27e | 174 | fZone = fSectorSegmentation->Zone(pad); |
175 | } | |
176 | ||
59090931 | 177 | |
178 | //______________________________________________________________________________ | |
179 | void AliMUONSt12QuadrantSegmentation::ReadMappingData() | |
180 | { | |
181 | // Reads mapping data | |
182 | // --- | |
183 | ||
184 | // set path to mapping data files | |
185 | if (!gSystem->Getenv("MINSTALL")) { | |
186 | TString dirPath = gSystem->Getenv("ALICE_ROOT"); | |
187 | dirPath += "/MUON/mapping"; | |
3d16af90 | 188 | AliMpFiles::SetTopPath(dirPath); |
59090931 | 189 | gSystem->Setenv("MINSTALL", dirPath.Data()); |
190 | //cout << "AliMpFiles top path set to " << dirPath << endl; | |
191 | } | |
192 | ||
ab126d0a | 193 | AliMpSectorReader r(fStationType, fPlaneType); |
59090931 | 194 | fSector = r.BuildSector(); |
195 | fSectorSegmentation = new AliMpSectorSegmentation(fSector); | |
196 | } | |
197 | ||
e118b27e | 198 | // |
199 | // public methods | |
200 | // | |
201 | ||
202 | //______________________________________________________________________________ | |
203 | void AliMUONSt12QuadrantSegmentation::SetPadSize(Float_t /*p1*/, Float_t /*p2*/) | |
204 | { | |
205 | // Set pad size Dx*Dy | |
206 | // --- | |
207 | ||
208 | AliFatal("Not uniform pad size."); | |
209 | } | |
210 | ||
211 | //______________________________________________________________________________ | |
212 | void AliMUONSt12QuadrantSegmentation::SetDAnod(Float_t d) | |
213 | { | |
214 | // Set anod pitch | |
215 | // --- | |
216 | ||
217 | fWireD = d; | |
218 | } | |
219 | ||
59090931 | 220 | #include "AliMpMotifMap.h" |
e0a49962 | 221 | //______________________________________________________________________________ |
222 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Float_t x, Float_t y, Float_t /*z*/) | |
223 | { | |
224 | // Returns true if a pad exists in the given position | |
225 | ||
59090931 | 226 | // fSector->GetMotifMap()->Print(); |
227 | ||
e0a49962 | 228 | AliMpPad pad = fSectorSegmentation |
dfaf6b0d | 229 | ->PadByPosition(TVector2(x,y), false); |
e0a49962 | 230 | |
231 | return pad.IsValid(); | |
232 | } | |
233 | ||
234 | ||
235 | //______________________________________________________________________________ | |
236 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Int_t ix, Int_t iy) | |
237 | { | |
238 | // Returns true if a pad with given indices exists | |
239 | ||
240 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), false); | |
241 | ||
242 | return pad.IsValid(); | |
243 | } | |
244 | ||
245 | ||
6b1e4b22 | 246 | //______________________________________________________________________________ |
247 | AliMUONGeometryDirection AliMUONSt12QuadrantSegmentation::GetDirection() | |
248 | { | |
e9981d13 | 249 | // Returns the direction with a constant pad size |
250 | // (Direction or coordinate where the resolution is the best) | |
6b1e4b22 | 251 | |
252 | switch ( fSector->GetDirection() ) { | |
253 | case kX: return kDirX; | |
254 | case kY: return kDirY; | |
255 | default: return kDirUndefined; | |
256 | } | |
257 | } | |
258 | ||
f5ed7890 | 259 | //______________________________________________________________________________ |
b7ef3c96 | 260 | const AliMpVSegmentation* |
f5ed7890 | 261 | AliMUONSt12QuadrantSegmentation::GetMpSegmentation() const |
262 | { | |
263 | // Returns the mapping segmentation | |
264 | // (provides access to electronics info) | |
265 | ||
266 | return fSectorSegmentation; | |
267 | } | |
268 | ||
e118b27e | 269 | //______________________________________________________________________________ |
270 | Float_t AliMUONSt12QuadrantSegmentation::GetAnod(Float_t xhit) const | |
271 | { | |
272 | // Anod wire coordinate closest to xhit | |
273 | // Returns for a hit position xhit the position of the nearest anode wire | |
274 | // From AliMUONSegmentationV01. | |
275 | // --- | |
276 | ||
277 | Float_t wire= (xhit>0) ? Int_t(xhit/fWireD) + 0.5 | |
278 | : Int_t(xhit/fWireD) - 0.5; | |
279 | return fWireD*wire; | |
280 | ||
281 | } | |
282 | ||
283 | //______________________________________________________________________________ | |
284 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, Float_t /*z*/, | |
285 | Int_t& ix, Int_t& iy) | |
286 | { | |
287 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
288 | // --- | |
289 | ||
290 | GetPadI(x, y, ix, iy); | |
291 | } | |
292 | ||
293 | //______________________________________________________________________________ | |
294 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, | |
295 | Int_t& ix, Int_t& iy) | |
296 | { | |
297 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
298 | // If there is no pad, ix = 0, iy = 0 are returned. | |
299 | // --- | |
300 | ||
dfaf6b0d | 301 | AliMpPad pad = fSectorSegmentation->PadByPosition(TVector2(x,y), true); |
e118b27e | 302 | |
303 | ix = pad.GetIndices().GetFirst(); | |
304 | iy = pad.GetIndices().GetSecond(); | |
305 | } | |
306 | ||
307 | //______________________________________________________________________________ | |
308 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
309 | Float_t& x, Float_t& y, Float_t& z) | |
310 | { | |
311 | // Transform from pad to real coordinates | |
312 | // --- | |
313 | ||
314 | z = fZ; | |
315 | GetPadC(ix, iy, x , y); | |
316 | } | |
317 | ||
318 | //______________________________________________________________________________ | |
319 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
320 | Float_t& x, Float_t& y) | |
321 | { | |
322 | // Transform from pad to real coordinates | |
323 | // If there is no pad, x = 0., y = 0. are returned. | |
324 | // --- | |
325 | ||
e0a49962 | 326 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), true); |
e118b27e | 327 | |
dfaf6b0d | 328 | x = pad.Position().X(); |
329 | y = pad.Position().Y(); | |
e118b27e | 330 | } |
331 | ||
332 | ||
333 | //______________________________________________________________________________ | |
334 | void AliMUONSt12QuadrantSegmentation::Init(Int_t chamber) | |
335 | { | |
336 | // Initialize segmentation | |
337 | // --- | |
338 | ||
59090931 | 339 | // find Npx, Npy and save this info |
e118b27e | 340 | |
341 | // reference to chamber | |
b7ef3c96 | 342 | fRmin=AliMUONConstants::Rmin(0); |
343 | fRmax=AliMUONConstants::Rmax(0); | |
e118b27e | 344 | fZ = 0; |
345 | fId=chamber; | |
346 | } | |
347 | ||
348 | //______________________________________________________________________________ | |
349 | Float_t AliMUONSt12QuadrantSegmentation::Dpx() const | |
350 | { | |
351 | // Get pad size in x | |
352 | // --- | |
353 | ||
354 | AliFatal( "Not uniform pad size."); | |
355 | return 0.; | |
356 | } | |
357 | ||
358 | //______________________________________________________________________________ | |
359 | Float_t AliMUONSt12QuadrantSegmentation::Dpy() const | |
360 | { | |
361 | // Get pad size in y | |
362 | // --- | |
363 | ||
364 | AliFatal("Not uniform pad size."); | |
365 | return 0.; | |
366 | } | |
367 | ||
368 | //______________________________________________________________________________ | |
369 | Float_t AliMUONSt12QuadrantSegmentation::Dpx(Int_t isector) const | |
370 | { | |
371 | // Pad size in x by sector | |
372 | // --- | |
373 | ||
dfaf6b0d | 374 | return fSectorSegmentation->PadDimensions(isector).X()*2.0; |
e118b27e | 375 | } |
376 | ||
377 | //______________________________________________________________________________ | |
378 | Float_t AliMUONSt12QuadrantSegmentation::Dpy(Int_t isector) const | |
379 | { | |
380 | // Pad size in x, y by Sector | |
381 | // --- | |
382 | ||
dfaf6b0d | 383 | return fSectorSegmentation->PadDimensions(isector).Y()*2.0; |
e118b27e | 384 | } |
385 | ||
386 | //______________________________________________________________________________ | |
387 | Int_t AliMUONSt12QuadrantSegmentation::Npx() const | |
388 | { | |
389 | // Maximum number of Pads in x | |
e0a49962 | 390 | // hard coded for the time being |
e118b27e | 391 | // --- |
392 | ||
580c28fd | 393 | return fSectorSegmentation->MaxPadIndexX(); |
e118b27e | 394 | } |
395 | ||
396 | //______________________________________________________________________________ | |
397 | Int_t AliMUONSt12QuadrantSegmentation::Npy() const | |
398 | { | |
399 | // Maximum number of Pads in y | |
e0a49962 | 400 | // hard coded for the time being |
e118b27e | 401 | // --- |
402 | ||
580c28fd | 403 | return fSectorSegmentation->MaxPadIndexY(); |
e118b27e | 404 | } |
405 | ||
406 | //______________________________________________________________________________ | |
407 | void AliMUONSt12QuadrantSegmentation::SetPad(Int_t ix, Int_t iy) | |
408 | { | |
409 | // Set pad position. | |
410 | // Sets virtual pad coordinates, needed for evaluating pad response | |
411 | // outside the tracking program. | |
412 | // From AliMUONSegmentationV01. | |
413 | // --- | |
414 | ||
415 | GetPadC(ix, iy, fX, fY); | |
416 | fZone = Sector(ix, iy); | |
417 | } | |
418 | ||
419 | //______________________________________________________________________________ | |
420 | void AliMUONSt12QuadrantSegmentation::SetHit(Float_t xhit, Float_t yhit, Float_t /*zhit*/) | |
421 | { | |
422 | // Set hit position | |
423 | // Sets virtual hit position, needed for evaluating pad response | |
424 | // outside the tracking program | |
425 | // From AliMUONSegmentationV01. | |
426 | ||
427 | fXhit = xhit; | |
428 | fYhit = yhit; | |
429 | } | |
430 | ||
431 | //______________________________________________________________________________ | |
432 | void AliMUONSt12QuadrantSegmentation::FirstPad(Float_t xhit, Float_t yhit, Float_t /*zhit*/, | |
433 | Float_t dx, Float_t dy) | |
434 | { | |
435 | // Iterate over pads - initialiser | |
436 | // --- | |
437 | ||
438 | // Sets the current pad to that located in the hit position | |
439 | ||
440 | SetHit(GetAnod(xhit), yhit, 0.); | |
441 | ||
442 | // Enable iterating in one dimension | |
443 | if (dx == 0.) dx = 0.01; | |
444 | if (dy == 0.) dy = 0.01; | |
445 | ||
9eeaee6f | 446 | // Delete previous iterator |
447 | delete fSectorIterator; | |
448 | ||
e118b27e | 449 | fSectorIterator |
450 | = fSectorSegmentation | |
dfaf6b0d | 451 | ->CreateIterator(AliMpArea(TVector2(fXhit,fYhit),TVector2(dx,dy))); |
e118b27e | 452 | |
dfaf6b0d | 453 | AliDebug(1,Form("CreateIterator area=%e,%e +- %e,%e %s", |
454 | fXhit,fYhit,dx,dy,PlaneTypeName(fPlaneType))); | |
455 | ||
e118b27e | 456 | fSectorIterator->First(); |
457 | ||
458 | if (! fSectorIterator->IsDone()) | |
459 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
460 | } | |
461 | ||
462 | //______________________________________________________________________________ | |
463 | void AliMUONSt12QuadrantSegmentation::NextPad() | |
464 | { | |
465 | // Iterate over pads - stepper | |
466 | // --- | |
467 | ||
468 | fSectorIterator->Next(); | |
469 | ||
470 | if (! fSectorIterator->IsDone()) | |
471 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
472 | } | |
473 | ||
474 | //______________________________________________________________________________ | |
475 | Int_t AliMUONSt12QuadrantSegmentation::MorePads() | |
476 | { | |
477 | // Iterate over pads - condition | |
478 | // --- | |
479 | ||
480 | if (fSectorIterator->IsDone()) | |
481 | return 0; | |
482 | else | |
483 | return 1; | |
484 | } | |
485 | ||
486 | //______________________________________________________________________________ | |
487 | Float_t AliMUONSt12QuadrantSegmentation::Distance2AndOffset(Int_t iX, Int_t iY, | |
488 | Float_t x, Float_t y, Int_t* /*dummy*/) | |
489 | { | |
490 | // Returns the square of the distance between 1 pad | |
491 | // labelled by its channel numbers and a coordinate | |
492 | // --- | |
493 | ||
494 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX, iY)); | |
495 | ||
496 | if (!pad.IsValid()) | |
497 | AliFatal("Cannot locate pad."); | |
498 | ||
dfaf6b0d | 499 | return (pad.Position() - TVector2(x, y)).Mod2(); |
e118b27e | 500 | } |
501 | ||
502 | //______________________________________________________________________________ | |
503 | void AliMUONSt12QuadrantSegmentation::GetNParallelAndOffset(Int_t /*iX*/, Int_t /*iY*/, | |
504 | Int_t* /*Nparallel*/, Int_t* /*Offset*/) | |
505 | { | |
506 | // Number of pads read in parallel and offset to add to x | |
507 | // (specific to LYON, but mandatory for display) | |
508 | // --- | |
509 | ||
510 | AliFatal( "Not yet implemented."); | |
511 | } | |
512 | ||
513 | ||
514 | //______________________________________________________________________________ | |
515 | void AliMUONSt12QuadrantSegmentation::Neighbours(Int_t iX, Int_t iY, | |
516 | Int_t* Nlist, | |
517 | Int_t Xlist[10], Int_t Ylist[10]) | |
518 | { | |
519 | // Get next neighbours | |
520 | // --- | |
521 | ||
522 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX,iY)); | |
523 | Int_t &i = *Nlist; | |
524 | i=0; | |
ddde88da | 525 | AliMpNeighboursPadIterator iter |
526 | = AliMpNeighboursPadIterator(fSectorSegmentation, pad, kFALSE); | |
e118b27e | 527 | |
ddde88da | 528 | for( iter.First(); !iter.IsDone() && i<10; iter.Next()) { |
529 | Xlist[i] = iter.CurrentItem().GetIndices().GetFirst(); | |
530 | Ylist[i] = iter.CurrentItem().GetIndices().GetSecond(); | |
e118b27e | 531 | i++; |
532 | } | |
e118b27e | 533 | } |
ddde88da | 534 | |
e118b27e | 535 | //______________________________________________________________________________ |
536 | Int_t AliMUONSt12QuadrantSegmentation::Ix() | |
537 | { | |
538 | // Current pad cursor during disintegration | |
539 | // x, y-coordinate | |
540 | // --- | |
541 | ||
542 | return fSectorIterator->CurrentItem().GetIndices().GetFirst(); | |
543 | } | |
544 | ||
545 | //______________________________________________________________________________ | |
546 | Int_t AliMUONSt12QuadrantSegmentation::Iy() | |
547 | { | |
548 | // Current pad cursor during disintegration | |
549 | // x, y-coordinate | |
550 | // --- | |
551 | ||
552 | return fSectorIterator->CurrentItem().GetIndices().GetSecond(); | |
553 | } | |
554 | ||
555 | //______________________________________________________________________________ | |
556 | Int_t AliMUONSt12QuadrantSegmentation::ISector() | |
557 | { | |
558 | // Current sector | |
559 | // --- | |
560 | ||
561 | return fZone; | |
562 | } | |
563 | ||
564 | //______________________________________________________________________________ | |
565 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Int_t ix, Int_t iy) | |
566 | { | |
567 | // Calculate sector from pad coordinates | |
568 | // --- | |
569 | ||
570 | return fSectorSegmentation | |
571 | ->Zone(fSectorSegmentation->PadByIndices(AliMpIntPair(ix, iy))); | |
572 | } | |
573 | ||
574 | //______________________________________________________________________________ | |
575 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Float_t x, Float_t y) | |
576 | { | |
577 | // Calculate sector from pad coordinates | |
578 | // --- | |
579 | ||
580 | return fSectorSegmentation | |
581 | ->Zone(fSectorSegmentation | |
dfaf6b0d | 582 | ->PadByPosition(TVector2(x,y))); |
e118b27e | 583 | } |
584 | ||
585 | //______________________________________________________________________________ | |
586 | void AliMUONSt12QuadrantSegmentation::IntegrationLimits(Float_t& x1, Float_t& x2, | |
587 | Float_t& y1, Float_t& y2) | |
588 | { | |
589 | // Current integration limits | |
590 | // --- | |
591 | ||
592 | x1 = fXhit - fX - Dpx(fZone)/2.; | |
593 | x2 = x1 + Dpx(fZone); | |
594 | ||
595 | y1 = fYhit - fY - Dpy(fZone)/2.; | |
596 | y2 = y1 + Dpy(fZone); | |
597 | } | |
598 | ||
599 | //______________________________________________________________________________ | |
600 | Int_t AliMUONSt12QuadrantSegmentation::SigGenCond(Float_t x, Float_t y, Float_t /*z*/) | |
601 | { | |
602 | // Signal Generation Condition during Stepping | |
603 | // 0: don't generate signal | |
604 | // 1: generate signal | |
605 | // Comments: | |
606 | // | |
607 | // Crossing of pad boundary and mid plane between neighbouring wires is checked. | |
608 | // To correctly simulate the dependence of the spatial resolution on the angle | |
609 | // of incidence signal must be generated for constant steps on | |
610 | // the projection of the trajectory along the anode wire. | |
611 | // | |
612 | // Signal will be generated if particle crosses pad boundary or | |
613 | // boundary between two wires. | |
614 | // | |
615 | // From AliMUONSegmentationV01 | |
616 | // --- | |
617 | ||
618 | Int_t ixt, iyt; | |
619 | GetPadI(x, y, ixt, iyt); | |
620 | Int_t iwt=(x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1; | |
621 | ||
622 | if ((ixt != fIxt) || (iyt !=fIyt) || (iwt != fIwt)) { | |
623 | return 1; | |
624 | } | |
625 | else { | |
626 | return 0; | |
627 | } | |
628 | } | |
629 | ||
e118b27e | 630 | //______________________________________________________________________________ |
631 | void AliMUONSt12QuadrantSegmentation::SigGenInit(Float_t x, Float_t y, Float_t /*z*/) | |
632 | { | |
633 | // Initialise signal generation at coord (x,y,z) | |
634 | // Initialises pad and wire position during stepping. | |
635 | // From AliMUONSegmentationV01 | |
636 | // --- | |
637 | ||
638 | fXt = x; | |
639 | fYt = y; | |
640 | GetPadI(x, y, fIxt, fIyt); | |
641 | fIwt = (x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1 ; | |
642 | } | |
643 | ||
644 | //______________________________________________________________________________ | |
645 | void AliMUONSt12QuadrantSegmentation::GiveTestPoints(Int_t& n, Float_t* x, Float_t* y) const | |
646 | { | |
647 | // Test points for auto calibration | |
648 | // Returns test point on the pad plane. | |
649 | // Used during determination of the segmoid correction of the COG-method | |
650 | // From AliMUONSegmentationV01 | |
651 | // --- | |
652 | ||
653 | n=1; | |
654 | x[0] = (fRmax+fRmin)/2/TMath::Sqrt(2.); | |
655 | y[0] = x[0]; | |
656 | } | |
657 | ||
658 | //______________________________________________________________________________ | |
659 | void AliMUONSt12QuadrantSegmentation::Draw(const char * /*opt*/) | |
660 | { | |
661 | // Draw the segmentation zones. | |
662 | // (Called from AliMUON::BuildGeometry) | |
663 | // --- | |
664 | ||
665 | AliWarning("Not yet implemented."); | |
666 | } | |
667 | ||
668 | //______________________________________________________________________________ | |
669 | void AliMUONSt12QuadrantSegmentation::SetCorrFunc(Int_t isec, TF1* func) | |
670 | { | |
671 | // Set the correction function. | |
672 | // From AliMUONSegmentationV01 | |
673 | // --- | |
674 | ||
675 | fCorrA->AddAt(func, isec); | |
676 | } | |
677 | ||
678 | //______________________________________________________________________________ | |
679 | TF1* AliMUONSt12QuadrantSegmentation::CorrFunc(Int_t isec) const | |
680 | { | |
681 | // Get the correction Function. | |
682 | // From AliMUONSegmentationV01 | |
683 | // --- | |
684 | ||
685 | return (TF1*) fCorrA->At(isec); | |
686 | } | |
687 | ||
59090931 | 688 | //______________________________________________________________________________ |
689 | void AliMUONSt12QuadrantSegmentation::Streamer(TBuffer &R__b) | |
690 | { | |
691 | // Stream an object of class AliMUONSt12QuadrantSegmentation. | |
692 | ||
693 | if (R__b.IsReading()) { | |
694 | AliMUONSt12QuadrantSegmentation::Class()->ReadBuffer(R__b, this); | |
695 | ReadMappingData(); | |
696 | } | |
697 | else { | |
698 | AliMUONSt12QuadrantSegmentation::Class()->WriteBuffer(R__b, this); | |
699 | } | |
700 | } | |
701 | ||
702 |