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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 | |
24 | ||
25 | #include <TError.h> | |
26 | #include <TF1.h> | |
27 | #include <TObjArray.h> | |
28 | #include <TVector2.h> | |
29 | ||
30 | #include "AliMpPad.h" | |
31 | #include "AliMpArea.h" | |
32 | #include "AliMpReader.h" | |
33 | #include "AliMpSector.h" | |
34 | #include "AliMpVPadIterator.h" | |
35 | #include "AliMpSectorSegmentation.h" | |
36 | ||
37 | #include "AliMUONSt12QuadrantSegmentation.h" | |
38 | #include "AliRun.h" | |
39 | #include "AliMUON.h" | |
40 | #include "AliMUONChamber.h" | |
41 | #include "AliLog.h" | |
a713db22 | 42 | #include "AliMpFiles.h" |
43 | #include <TSystem.h> | |
e118b27e | 44 | |
45 | ClassImp(AliMUONSt12QuadrantSegmentation) | |
46 | ||
47 | const Float_t AliMUONSt12QuadrantSegmentation::fgkWireD = 0.20; | |
48 | const Float_t AliMUONSt12QuadrantSegmentation::fgkLengthUnit = 0.1; | |
49 | ||
50 | //______________________________________________________________________________ | |
51 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation( | |
52 | AliMpStationType stationType, | |
53 | AliMpPlaneType planeType) | |
e0a49962 | 54 | : AliMUONVGeometryDESegmentation(), |
59090931 | 55 | fStationType(stationType), |
56 | fPlaneType(planeType), | |
e118b27e | 57 | fSector(0), |
58 | fSectorSegmentation(0), | |
59 | fSectorIterator(0), | |
60 | fWireD(fgkWireD), | |
61 | fChamber(0), | |
62 | fId(0), | |
63 | fRmin(0.), | |
64 | fRmax(0.), | |
65 | fZ(0.), | |
66 | fIx(0), | |
67 | fIy(0), | |
68 | fX(0.), | |
69 | fY(0.), | |
70 | fZone(0), | |
71 | fXhit(0.), | |
72 | fYhit(0.), | |
73 | fIxt(0), | |
74 | fIyt(0), | |
75 | fIwt(0), | |
76 | fXt(0.), | |
77 | fYt(0.), | |
78 | fCorrA(0) | |
79 | { | |
80 | // Normal constructor | |
a713db22 | 81 | |
59090931 | 82 | ReadMappingData(); |
e118b27e | 83 | |
84 | fCorrA = new TObjArray(3); | |
85 | fCorrA->AddAt(0,0); | |
86 | fCorrA->AddAt(0,1); | |
87 | fCorrA->AddAt(0,2); | |
88 | } | |
89 | ||
90 | //______________________________________________________________________________ | |
91 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation() | |
e0a49962 | 92 | : AliMUONVGeometryDESegmentation(), |
59090931 | 93 | fStationType(kStation1), |
94 | fPlaneType(kBendingPlane), | |
e118b27e | 95 | fSector(0), |
96 | fSectorSegmentation(0), | |
97 | fSectorIterator(0), | |
98 | fWireD(fgkWireD), | |
99 | fChamber(0), | |
100 | fId(0), | |
101 | fRmin(0.), | |
102 | fRmax(0.), | |
103 | fZ(0.), | |
104 | fIx(0), | |
105 | fIy(0), | |
106 | fX(0.), | |
107 | fY(0.), | |
108 | fZone(0), | |
109 | fXhit(0.), | |
110 | fYhit(0.), | |
111 | fIxt(0), | |
112 | fIyt(0), | |
113 | fIwt(0), | |
114 | fXt(0.), | |
115 | fYt(0.), | |
116 | fCorrA(0) { | |
117 | // Default Constructor | |
118 | } | |
119 | ||
120 | //______________________________________________________________________________ | |
121 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation(const AliMUONSt12QuadrantSegmentation& rhs) | |
e0a49962 | 122 | : AliMUONVGeometryDESegmentation(rhs) |
e118b27e | 123 | { |
124 | // Copy constructor | |
125 | AliFatal("Copy constructor is not implemented."); | |
126 | } | |
127 | ||
128 | //______________________________________________________________________________ | |
129 | AliMUONSt12QuadrantSegmentation::~AliMUONSt12QuadrantSegmentation() { | |
130 | // Destructor | |
131 | ||
132 | delete fSector; | |
133 | delete fSectorSegmentation; | |
134 | delete fSectorIterator; | |
135 | } | |
136 | ||
137 | // | |
138 | // operators | |
139 | // | |
140 | ||
141 | //______________________________________________________________________________ | |
142 | AliMUONSt12QuadrantSegmentation& | |
143 | AliMUONSt12QuadrantSegmentation::operator=(const AliMUONSt12QuadrantSegmentation& rhs) | |
144 | { | |
145 | // Copy operator | |
146 | ||
147 | // check assignement to self | |
148 | if (this == &rhs) return *this; | |
149 | ||
150 | AliFatal("Assignment operator is not implemented."); | |
151 | ||
152 | return *this; | |
153 | } | |
154 | ||
155 | // | |
156 | // private methods | |
157 | // | |
158 | ||
159 | //______________________________________________________________________________ | |
160 | void AliMUONSt12QuadrantSegmentation::UpdateCurrentPadValues(const AliMpPad& pad) | |
161 | { | |
162 | // Updates current pad values. | |
163 | // --- | |
164 | ||
165 | fIx = pad.GetIndices().GetFirst(); | |
166 | fIy = pad.GetIndices().GetSecond(); | |
167 | fX = pad.Position().X() * fgkLengthUnit; | |
168 | fY = pad.Position().Y() * fgkLengthUnit; | |
169 | fZone = fSectorSegmentation->Zone(pad); | |
170 | } | |
171 | ||
59090931 | 172 | |
173 | //______________________________________________________________________________ | |
174 | void AliMUONSt12QuadrantSegmentation::ReadMappingData() | |
175 | { | |
176 | // Reads mapping data | |
177 | // --- | |
178 | ||
179 | // set path to mapping data files | |
180 | if (!gSystem->Getenv("MINSTALL")) { | |
181 | TString dirPath = gSystem->Getenv("ALICE_ROOT"); | |
182 | dirPath += "/MUON/mapping"; | |
183 | AliMpFiles::Instance()->SetTopPath(dirPath); | |
184 | gSystem->Setenv("MINSTALL", dirPath.Data()); | |
185 | //cout << "AliMpFiles top path set to " << dirPath << endl; | |
186 | } | |
187 | ||
188 | AliMpReader r(fStationType, fPlaneType); | |
189 | fSector = r.BuildSector(); | |
190 | fSectorSegmentation = new AliMpSectorSegmentation(fSector); | |
191 | } | |
192 | ||
e118b27e | 193 | // |
194 | // public methods | |
195 | // | |
196 | ||
197 | //______________________________________________________________________________ | |
198 | void AliMUONSt12QuadrantSegmentation::SetPadSize(Float_t /*p1*/, Float_t /*p2*/) | |
199 | { | |
200 | // Set pad size Dx*Dy | |
201 | // --- | |
202 | ||
203 | AliFatal("Not uniform pad size."); | |
204 | } | |
205 | ||
206 | //______________________________________________________________________________ | |
207 | void AliMUONSt12QuadrantSegmentation::SetDAnod(Float_t d) | |
208 | { | |
209 | // Set anod pitch | |
210 | // --- | |
211 | ||
212 | fWireD = d; | |
213 | } | |
214 | ||
59090931 | 215 | #include "AliMpMotifMap.h" |
e0a49962 | 216 | //______________________________________________________________________________ |
217 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Float_t x, Float_t y, Float_t /*z*/) | |
218 | { | |
219 | // Returns true if a pad exists in the given position | |
220 | ||
59090931 | 221 | // fSector->GetMotifMap()->Print(); |
222 | ||
e0a49962 | 223 | AliMpPad pad = fSectorSegmentation |
224 | ->PadByPosition(TVector2(x/fgkLengthUnit, y/fgkLengthUnit), false); | |
225 | ||
226 | return pad.IsValid(); | |
227 | } | |
228 | ||
229 | ||
230 | //______________________________________________________________________________ | |
231 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Int_t ix, Int_t iy) | |
232 | { | |
233 | // Returns true if a pad with given indices exists | |
234 | ||
235 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), false); | |
236 | ||
237 | return pad.IsValid(); | |
238 | } | |
239 | ||
240 | ||
6b1e4b22 | 241 | //______________________________________________________________________________ |
242 | AliMUONGeometryDirection AliMUONSt12QuadrantSegmentation::GetDirection() | |
243 | { | |
e9981d13 | 244 | // Returns the direction with a constant pad size |
245 | // (Direction or coordinate where the resolution is the best) | |
6b1e4b22 | 246 | |
247 | switch ( fSector->GetDirection() ) { | |
248 | case kX: return kDirX; | |
249 | case kY: return kDirY; | |
250 | default: return kDirUndefined; | |
251 | } | |
252 | } | |
253 | ||
e118b27e | 254 | //______________________________________________________________________________ |
255 | Float_t AliMUONSt12QuadrantSegmentation::GetAnod(Float_t xhit) const | |
256 | { | |
257 | // Anod wire coordinate closest to xhit | |
258 | // Returns for a hit position xhit the position of the nearest anode wire | |
259 | // From AliMUONSegmentationV01. | |
260 | // --- | |
261 | ||
262 | Float_t wire= (xhit>0) ? Int_t(xhit/fWireD) + 0.5 | |
263 | : Int_t(xhit/fWireD) - 0.5; | |
264 | return fWireD*wire; | |
265 | ||
266 | } | |
267 | ||
268 | //______________________________________________________________________________ | |
269 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, Float_t /*z*/, | |
270 | Int_t& ix, Int_t& iy) | |
271 | { | |
272 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
273 | // --- | |
274 | ||
275 | GetPadI(x, y, ix, iy); | |
276 | } | |
277 | ||
278 | //______________________________________________________________________________ | |
279 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, | |
280 | Int_t& ix, Int_t& iy) | |
281 | { | |
282 | // Returns pad coordinates (ix,iy) for given real coordinates (x,y) | |
283 | // If there is no pad, ix = 0, iy = 0 are returned. | |
284 | // --- | |
285 | ||
286 | AliMpPad pad = fSectorSegmentation | |
e0a49962 | 287 | ->PadByPosition(TVector2(x/fgkLengthUnit, y/fgkLengthUnit), true); |
e118b27e | 288 | |
289 | ix = pad.GetIndices().GetFirst(); | |
290 | iy = pad.GetIndices().GetSecond(); | |
291 | } | |
292 | ||
293 | //______________________________________________________________________________ | |
294 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
295 | Float_t& x, Float_t& y, Float_t& z) | |
296 | { | |
297 | // Transform from pad to real coordinates | |
298 | // --- | |
299 | ||
300 | z = fZ; | |
301 | GetPadC(ix, iy, x , y); | |
302 | } | |
303 | ||
304 | //______________________________________________________________________________ | |
305 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
306 | Float_t& x, Float_t& y) | |
307 | { | |
308 | // Transform from pad to real coordinates | |
309 | // If there is no pad, x = 0., y = 0. are returned. | |
310 | // --- | |
311 | ||
e0a49962 | 312 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), true); |
e118b27e | 313 | |
314 | x = pad.Position().X() * fgkLengthUnit; | |
315 | y = pad.Position().Y() * fgkLengthUnit; | |
316 | } | |
317 | ||
318 | ||
319 | //______________________________________________________________________________ | |
320 | void AliMUONSt12QuadrantSegmentation::Init(Int_t chamber) | |
321 | { | |
322 | // Initialize segmentation | |
323 | // --- | |
324 | ||
59090931 | 325 | // find Npx, Npy and save this info |
e118b27e | 326 | |
327 | // reference to chamber | |
328 | AliMUON *pMUON = (AliMUON *) gAlice->GetModule("MUON"); | |
329 | fChamber = &(pMUON->Chamber(chamber)); | |
330 | fRmin=fChamber->RInner(); | |
331 | fRmax=fChamber->ROuter(); | |
332 | fZ = 0; | |
333 | fId=chamber; | |
334 | } | |
335 | ||
336 | //______________________________________________________________________________ | |
337 | Float_t AliMUONSt12QuadrantSegmentation::Dpx() const | |
338 | { | |
339 | // Get pad size in x | |
340 | // --- | |
341 | ||
342 | AliFatal( "Not uniform pad size."); | |
343 | return 0.; | |
344 | } | |
345 | ||
346 | //______________________________________________________________________________ | |
347 | Float_t AliMUONSt12QuadrantSegmentation::Dpy() const | |
348 | { | |
349 | // Get pad size in y | |
350 | // --- | |
351 | ||
352 | AliFatal("Not uniform pad size."); | |
353 | return 0.; | |
354 | } | |
355 | ||
356 | //______________________________________________________________________________ | |
357 | Float_t AliMUONSt12QuadrantSegmentation::Dpx(Int_t isector) const | |
358 | { | |
359 | // Pad size in x by sector | |
360 | // --- | |
361 | ||
362 | return fSectorSegmentation->PadDimensions(isector).X()*2.*fgkLengthUnit; | |
363 | } | |
364 | ||
365 | //______________________________________________________________________________ | |
366 | Float_t AliMUONSt12QuadrantSegmentation::Dpy(Int_t isector) const | |
367 | { | |
368 | // Pad size in x, y by Sector | |
369 | // --- | |
370 | ||
371 | return fSectorSegmentation->PadDimensions(isector).Y()*2.*fgkLengthUnit; | |
372 | } | |
373 | ||
374 | //______________________________________________________________________________ | |
375 | Int_t AliMUONSt12QuadrantSegmentation::Npx() const | |
376 | { | |
377 | // Maximum number of Pads in x | |
e0a49962 | 378 | // hard coded for the time being |
e118b27e | 379 | // --- |
380 | ||
381 | //Fatal("Npx", "Not yet implemented."); | |
e0a49962 | 382 | switch (fSector->GetDirection()) { |
383 | case kX: | |
384 | return 142; | |
385 | case kY: | |
386 | return 108; | |
387 | default: | |
388 | AliError("Unknown sector direction"); | |
389 | return 0; | |
390 | } | |
e118b27e | 391 | } |
392 | ||
393 | //______________________________________________________________________________ | |
394 | Int_t AliMUONSt12QuadrantSegmentation::Npy() const | |
395 | { | |
396 | // Maximum number of Pads in y | |
e0a49962 | 397 | // hard coded for the time being |
e118b27e | 398 | // --- |
399 | ||
400 | //Fatal("Npy", "Not yet implemented."); | |
e0a49962 | 401 | switch (fSector->GetDirection()) { |
402 | case kX: | |
403 | return 160; | |
404 | case kY: | |
405 | return 213; | |
406 | default: | |
407 | AliError("Unknown sector direction"); | |
408 | return 0; | |
409 | } | |
e118b27e | 410 | } |
411 | ||
412 | //______________________________________________________________________________ | |
413 | void AliMUONSt12QuadrantSegmentation::SetPad(Int_t ix, Int_t iy) | |
414 | { | |
415 | // Set pad position. | |
416 | // Sets virtual pad coordinates, needed for evaluating pad response | |
417 | // outside the tracking program. | |
418 | // From AliMUONSegmentationV01. | |
419 | // --- | |
420 | ||
421 | GetPadC(ix, iy, fX, fY); | |
422 | fZone = Sector(ix, iy); | |
423 | } | |
424 | ||
425 | //______________________________________________________________________________ | |
426 | void AliMUONSt12QuadrantSegmentation::SetHit(Float_t xhit, Float_t yhit, Float_t /*zhit*/) | |
427 | { | |
428 | // Set hit position | |
429 | // Sets virtual hit position, needed for evaluating pad response | |
430 | // outside the tracking program | |
431 | // From AliMUONSegmentationV01. | |
432 | ||
433 | fXhit = xhit; | |
434 | fYhit = yhit; | |
435 | } | |
436 | ||
437 | //______________________________________________________________________________ | |
438 | void AliMUONSt12QuadrantSegmentation::FirstPad(Float_t xhit, Float_t yhit, Float_t /*zhit*/, | |
439 | Float_t dx, Float_t dy) | |
440 | { | |
441 | // Iterate over pads - initialiser | |
442 | // --- | |
443 | ||
444 | // Sets the current pad to that located in the hit position | |
445 | ||
446 | SetHit(GetAnod(xhit), yhit, 0.); | |
447 | ||
448 | // Enable iterating in one dimension | |
449 | if (dx == 0.) dx = 0.01; | |
450 | if (dy == 0.) dy = 0.01; | |
451 | ||
452 | fSectorIterator | |
453 | = fSectorSegmentation | |
454 | ->CreateIterator(AliMpArea(TVector2(fXhit/fgkLengthUnit, fYhit/fgkLengthUnit), | |
455 | TVector2(dx/fgkLengthUnit, dy/fgkLengthUnit))); | |
456 | ||
457 | fSectorIterator->First(); | |
458 | ||
459 | if (! fSectorIterator->IsDone()) | |
460 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
461 | } | |
462 | ||
463 | //______________________________________________________________________________ | |
464 | void AliMUONSt12QuadrantSegmentation::NextPad() | |
465 | { | |
466 | // Iterate over pads - stepper | |
467 | // --- | |
468 | ||
469 | fSectorIterator->Next(); | |
470 | ||
471 | if (! fSectorIterator->IsDone()) | |
472 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
473 | } | |
474 | ||
475 | //______________________________________________________________________________ | |
476 | Int_t AliMUONSt12QuadrantSegmentation::MorePads() | |
477 | { | |
478 | // Iterate over pads - condition | |
479 | // --- | |
480 | ||
481 | if (fSectorIterator->IsDone()) | |
482 | return 0; | |
483 | else | |
484 | return 1; | |
485 | } | |
486 | ||
487 | //______________________________________________________________________________ | |
488 | Float_t AliMUONSt12QuadrantSegmentation::Distance2AndOffset(Int_t iX, Int_t iY, | |
489 | Float_t x, Float_t y, Int_t* /*dummy*/) | |
490 | { | |
491 | // Returns the square of the distance between 1 pad | |
492 | // labelled by its channel numbers and a coordinate | |
493 | // --- | |
494 | ||
495 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX, iY)); | |
496 | ||
497 | if (!pad.IsValid()) | |
498 | AliFatal("Cannot locate pad."); | |
499 | ||
500 | return (pad.Position()*fgkLengthUnit - TVector2(x, y)).Mod2(); | |
501 | } | |
502 | ||
503 | //______________________________________________________________________________ | |
504 | void AliMUONSt12QuadrantSegmentation::GetNParallelAndOffset(Int_t /*iX*/, Int_t /*iY*/, | |
505 | Int_t* /*Nparallel*/, Int_t* /*Offset*/) | |
506 | { | |
507 | // Number of pads read in parallel and offset to add to x | |
508 | // (specific to LYON, but mandatory for display) | |
509 | // --- | |
510 | ||
511 | AliFatal( "Not yet implemented."); | |
512 | } | |
513 | ||
514 | ||
515 | //______________________________________________________________________________ | |
516 | void AliMUONSt12QuadrantSegmentation::Neighbours(Int_t iX, Int_t iY, | |
517 | Int_t* Nlist, | |
518 | Int_t Xlist[10], Int_t Ylist[10]) | |
519 | { | |
520 | // Get next neighbours | |
521 | // --- | |
522 | ||
523 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX,iY)); | |
524 | Int_t &i = *Nlist; | |
525 | i=0; | |
526 | AliMpVPadIterator* iter | |
527 | = fSectorSegmentation | |
528 | ->CreateIterator(AliMpArea(pad.Position(),2.*pad.Dimensions()*1.1)); | |
529 | ||
530 | for( iter->First(); !iter->IsDone() && i<10; iter->Next()) { | |
531 | Xlist[i] = iter->CurrentItem().GetIndices().GetFirst(); | |
532 | Ylist[i] = iter->CurrentItem().GetIndices().GetSecond(); | |
533 | i++; | |
534 | } | |
535 | ||
536 | delete iter; | |
537 | } | |
538 | ||
539 | //______________________________________________________________________________ | |
540 | Int_t AliMUONSt12QuadrantSegmentation::Ix() | |
541 | { | |
542 | // Current pad cursor during disintegration | |
543 | // x, y-coordinate | |
544 | // --- | |
545 | ||
546 | return fSectorIterator->CurrentItem().GetIndices().GetFirst(); | |
547 | } | |
548 | ||
549 | //______________________________________________________________________________ | |
550 | Int_t AliMUONSt12QuadrantSegmentation::Iy() | |
551 | { | |
552 | // Current pad cursor during disintegration | |
553 | // x, y-coordinate | |
554 | // --- | |
555 | ||
556 | return fSectorIterator->CurrentItem().GetIndices().GetSecond(); | |
557 | } | |
558 | ||
559 | //______________________________________________________________________________ | |
560 | Int_t AliMUONSt12QuadrantSegmentation::ISector() | |
561 | { | |
562 | // Current sector | |
563 | // --- | |
564 | ||
565 | return fZone; | |
566 | } | |
567 | ||
568 | //______________________________________________________________________________ | |
569 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Int_t ix, Int_t iy) | |
570 | { | |
571 | // Calculate sector from pad coordinates | |
572 | // --- | |
573 | ||
574 | return fSectorSegmentation | |
575 | ->Zone(fSectorSegmentation->PadByIndices(AliMpIntPair(ix, iy))); | |
576 | } | |
577 | ||
578 | //______________________________________________________________________________ | |
579 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Float_t x, Float_t y) | |
580 | { | |
581 | // Calculate sector from pad coordinates | |
582 | // --- | |
583 | ||
584 | return fSectorSegmentation | |
585 | ->Zone(fSectorSegmentation | |
586 | ->PadByPosition(TVector2(x/fgkLengthUnit, y/fgkLengthUnit))); | |
587 | } | |
588 | ||
589 | //______________________________________________________________________________ | |
590 | void AliMUONSt12QuadrantSegmentation::IntegrationLimits(Float_t& x1, Float_t& x2, | |
591 | Float_t& y1, Float_t& y2) | |
592 | { | |
593 | // Current integration limits | |
594 | // --- | |
595 | ||
596 | x1 = fXhit - fX - Dpx(fZone)/2.; | |
597 | x2 = x1 + Dpx(fZone); | |
598 | ||
599 | y1 = fYhit - fY - Dpy(fZone)/2.; | |
600 | y2 = y1 + Dpy(fZone); | |
601 | } | |
602 | ||
603 | //______________________________________________________________________________ | |
604 | Int_t AliMUONSt12QuadrantSegmentation::SigGenCond(Float_t x, Float_t y, Float_t /*z*/) | |
605 | { | |
606 | // Signal Generation Condition during Stepping | |
607 | // 0: don't generate signal | |
608 | // 1: generate signal | |
609 | // Comments: | |
610 | // | |
611 | // Crossing of pad boundary and mid plane between neighbouring wires is checked. | |
612 | // To correctly simulate the dependence of the spatial resolution on the angle | |
613 | // of incidence signal must be generated for constant steps on | |
614 | // the projection of the trajectory along the anode wire. | |
615 | // | |
616 | // Signal will be generated if particle crosses pad boundary or | |
617 | // boundary between two wires. | |
618 | // | |
619 | // From AliMUONSegmentationV01 | |
620 | // --- | |
621 | ||
622 | Int_t ixt, iyt; | |
623 | GetPadI(x, y, ixt, iyt); | |
624 | Int_t iwt=(x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1; | |
625 | ||
626 | if ((ixt != fIxt) || (iyt !=fIyt) || (iwt != fIwt)) { | |
627 | return 1; | |
628 | } | |
629 | else { | |
630 | return 0; | |
631 | } | |
632 | } | |
633 | ||
e118b27e | 634 | //______________________________________________________________________________ |
635 | void AliMUONSt12QuadrantSegmentation::SigGenInit(Float_t x, Float_t y, Float_t /*z*/) | |
636 | { | |
637 | // Initialise signal generation at coord (x,y,z) | |
638 | // Initialises pad and wire position during stepping. | |
639 | // From AliMUONSegmentationV01 | |
640 | // --- | |
641 | ||
642 | fXt = x; | |
643 | fYt = y; | |
644 | GetPadI(x, y, fIxt, fIyt); | |
645 | fIwt = (x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1 ; | |
646 | } | |
647 | ||
648 | //______________________________________________________________________________ | |
649 | void AliMUONSt12QuadrantSegmentation::GiveTestPoints(Int_t& n, Float_t* x, Float_t* y) const | |
650 | { | |
651 | // Test points for auto calibration | |
652 | // Returns test point on the pad plane. | |
653 | // Used during determination of the segmoid correction of the COG-method | |
654 | // From AliMUONSegmentationV01 | |
655 | // --- | |
656 | ||
657 | n=1; | |
658 | x[0] = (fRmax+fRmin)/2/TMath::Sqrt(2.); | |
659 | y[0] = x[0]; | |
660 | } | |
661 | ||
662 | //______________________________________________________________________________ | |
663 | void AliMUONSt12QuadrantSegmentation::Draw(const char * /*opt*/) | |
664 | { | |
665 | // Draw the segmentation zones. | |
666 | // (Called from AliMUON::BuildGeometry) | |
667 | // --- | |
668 | ||
669 | AliWarning("Not yet implemented."); | |
670 | } | |
671 | ||
672 | //______________________________________________________________________________ | |
673 | void AliMUONSt12QuadrantSegmentation::SetCorrFunc(Int_t isec, TF1* func) | |
674 | { | |
675 | // Set the correction function. | |
676 | // From AliMUONSegmentationV01 | |
677 | // --- | |
678 | ||
679 | fCorrA->AddAt(func, isec); | |
680 | } | |
681 | ||
682 | //______________________________________________________________________________ | |
683 | TF1* AliMUONSt12QuadrantSegmentation::CorrFunc(Int_t isec) const | |
684 | { | |
685 | // Get the correction Function. | |
686 | // From AliMUONSegmentationV01 | |
687 | // --- | |
688 | ||
689 | return (TF1*) fCorrA->At(isec); | |
690 | } | |
691 | ||
59090931 | 692 | //______________________________________________________________________________ |
693 | void AliMUONSt12QuadrantSegmentation::Streamer(TBuffer &R__b) | |
694 | { | |
695 | // Stream an object of class AliMUONSt12QuadrantSegmentation. | |
696 | ||
697 | if (R__b.IsReading()) { | |
698 | AliMUONSt12QuadrantSegmentation::Class()->ReadBuffer(R__b, this); | |
699 | ReadMappingData(); | |
700 | } | |
701 | else { | |
702 | AliMUONSt12QuadrantSegmentation::Class()->WriteBuffer(R__b, this); | |
703 | } | |
704 | } | |
705 | ||
706 |