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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 | ||
f7006443 | 18 | // ------------------------------------- |
e118b27e | 19 | // Class AliMUONSt12QuadrantSegmentation |
20 | // ------------------------------------- | |
21 | // Segmentation for MUON quadrants of stations 1 and 2 using | |
22 | // the mapping package | |
e118b27e | 23 | // Author: Ivana Hrivnacova, IPN Orsay |
9afdc733 | 24 | |
866c3232 | 25 | #include "AliMUONSt12QuadrantSegmentation.h" |
26 | #include "AliMUONConstants.h" | |
e118b27e | 27 | |
28 | #include "AliMpPad.h" | |
29 | #include "AliMpArea.h" | |
ab126d0a | 30 | #include "AliMpSectorReader.h" |
e118b27e | 31 | #include "AliMpSector.h" |
32 | #include "AliMpVPadIterator.h" | |
33 | #include "AliMpSectorSegmentation.h" | |
a713db22 | 34 | #include "AliMpFiles.h" |
ddde88da | 35 | #include "AliMpNeighboursPadIterator.h" |
b7ef3c96 | 36 | |
866c3232 | 37 | #include "AliLog.h" |
38 | ||
39 | #include <TError.h> | |
40 | #include <TF1.h> | |
41 | #include <TMath.h> | |
42 | #include <TObjArray.h> | |
43 | #include <TVector2.h> | |
44 | #include <TSystem.h> | |
e118b27e | 45 | |
5398f946 | 46 | /// \cond CLASSIMP |
e118b27e | 47 | ClassImp(AliMUONSt12QuadrantSegmentation) |
5398f946 | 48 | /// \endcond |
e118b27e | 49 | |
e118b27e | 50 | //______________________________________________________________________________ |
51 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation( | |
8fbf5237 | 52 | AliMpVSegmentation* segmentation, |
866c3232 | 53 | AliMp::StationType stationType, |
54 | AliMp::PlaneType planeType) | |
e0a49962 | 55 | : AliMUONVGeometryDESegmentation(), |
59090931 | 56 | fStationType(stationType), |
57 | fPlaneType(planeType), | |
e118b27e | 58 | fSector(0), |
59 | fSectorSegmentation(0), | |
60 | fSectorIterator(0), | |
8fed3fe9 | 61 | fWireD(0), |
e118b27e | 62 | fChamber(0), |
63 | fId(0), | |
64 | fRmin(0.), | |
65 | fRmax(0.), | |
66 | fZ(0.), | |
67 | fIx(0), | |
68 | fIy(0), | |
69 | fX(0.), | |
70 | fY(0.), | |
71 | fZone(0), | |
72 | fXhit(0.), | |
73 | fYhit(0.), | |
74 | fIxt(0), | |
75 | fIyt(0), | |
76 | fIwt(0), | |
77 | fXt(0.), | |
78 | fYt(0.), | |
79 | fCorrA(0) | |
80 | { | |
5398f946 | 81 | /// Standard constructor |
a713db22 | 82 | |
8fbf5237 | 83 | fSectorSegmentation = dynamic_cast<AliMpSectorSegmentation*>(segmentation); |
84 | if (fSectorSegmentation) | |
85 | fSector = fSectorSegmentation->GetSector(); | |
86 | else | |
87 | AliFatal("Wrong mapping segmentation type"); | |
8fed3fe9 | 88 | |
89 | // Anod pitch | |
866c3232 | 90 | if ( stationType == AliMp::kStation1 ) |
8fed3fe9 | 91 | fWireD = AliMUONConstants::PitchSt1(); |
866c3232 | 92 | else if ( stationType == AliMp::kStation2 ) |
8fed3fe9 | 93 | fWireD = AliMUONConstants::Pitch(); |
94 | else | |
95 | AliFatal("Wrong station type"); | |
e118b27e | 96 | |
97 | fCorrA = new TObjArray(3); | |
98 | fCorrA->AddAt(0,0); | |
99 | fCorrA->AddAt(0,1); | |
100 | fCorrA->AddAt(0,2); | |
b7ef3c96 | 101 | |
102 | AliDebug(1, Form("ctor this = %p", this) ); | |
e118b27e | 103 | } |
104 | ||
105 | //______________________________________________________________________________ | |
106 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation() | |
e0a49962 | 107 | : AliMUONVGeometryDESegmentation(), |
866c3232 | 108 | fStationType(AliMp::kStation1), |
109 | fPlaneType(AliMp::kBendingPlane), | |
e118b27e | 110 | fSector(0), |
111 | fSectorSegmentation(0), | |
112 | fSectorIterator(0), | |
8fed3fe9 | 113 | fWireD(0), |
e118b27e | 114 | fChamber(0), |
115 | fId(0), | |
116 | fRmin(0.), | |
117 | fRmax(0.), | |
118 | fZ(0.), | |
119 | fIx(0), | |
120 | fIy(0), | |
121 | fX(0.), | |
122 | fY(0.), | |
123 | fZone(0), | |
124 | fXhit(0.), | |
125 | fYhit(0.), | |
126 | fIxt(0), | |
127 | fIyt(0), | |
128 | fIwt(0), | |
129 | fXt(0.), | |
130 | fYt(0.), | |
5398f946 | 131 | fCorrA(0) |
132 | { | |
133 | /// Default Constructor | |
b7ef3c96 | 134 | |
135 | AliDebug(1, Form("default (empty) ctor this = %p", this)); | |
e118b27e | 136 | } |
137 | ||
138 | //______________________________________________________________________________ | |
5398f946 | 139 | AliMUONSt12QuadrantSegmentation::~AliMUONSt12QuadrantSegmentation() |
e118b27e | 140 | { |
5398f946 | 141 | /// Destructor |
e118b27e | 142 | |
b7ef3c96 | 143 | AliDebug(1, Form("dtor this = %p", this)); |
144 | ||
e118b27e | 145 | delete fSectorIterator; |
146 | } | |
147 | ||
e118b27e | 148 | // |
149 | // private methods | |
150 | // | |
151 | ||
152 | //______________________________________________________________________________ | |
153 | void AliMUONSt12QuadrantSegmentation::UpdateCurrentPadValues(const AliMpPad& pad) | |
154 | { | |
5398f946 | 155 | /// Updates current pad values. |
e118b27e | 156 | |
157 | fIx = pad.GetIndices().GetFirst(); | |
158 | fIy = pad.GetIndices().GetSecond(); | |
dfaf6b0d | 159 | fX = pad.Position().X(); |
160 | fY = pad.Position().Y(); | |
e118b27e | 161 | fZone = fSectorSegmentation->Zone(pad); |
162 | } | |
163 | ||
59090931 | 164 | |
e118b27e | 165 | // |
166 | // public methods | |
167 | // | |
168 | ||
169 | //______________________________________________________________________________ | |
170 | void AliMUONSt12QuadrantSegmentation::SetPadSize(Float_t /*p1*/, Float_t /*p2*/) | |
171 | { | |
5398f946 | 172 | /// Set pad size Dx*Dy |
e118b27e | 173 | |
174 | AliFatal("Not uniform pad size."); | |
175 | } | |
176 | ||
177 | //______________________________________________________________________________ | |
178 | void AliMUONSt12QuadrantSegmentation::SetDAnod(Float_t d) | |
179 | { | |
5398f946 | 180 | /// Set anod pitch |
e118b27e | 181 | |
182 | fWireD = d; | |
183 | } | |
184 | ||
59090931 | 185 | #include "AliMpMotifMap.h" |
e0a49962 | 186 | //______________________________________________________________________________ |
187 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Float_t x, Float_t y, Float_t /*z*/) | |
188 | { | |
5398f946 | 189 | /// Returns true if a pad exists in the given position |
e0a49962 | 190 | |
59090931 | 191 | // fSector->GetMotifMap()->Print(); |
192 | ||
e0a49962 | 193 | AliMpPad pad = fSectorSegmentation |
dfaf6b0d | 194 | ->PadByPosition(TVector2(x,y), false); |
e0a49962 | 195 | |
196 | return pad.IsValid(); | |
197 | } | |
198 | ||
199 | ||
200 | //______________________________________________________________________________ | |
201 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Int_t ix, Int_t iy) | |
202 | { | |
5398f946 | 203 | /// Returns true if a pad with given indices exists |
e0a49962 | 204 | |
205 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), false); | |
206 | ||
207 | return pad.IsValid(); | |
208 | } | |
209 | ||
210 | ||
6b1e4b22 | 211 | //______________________________________________________________________________ |
212 | AliMUONGeometryDirection AliMUONSt12QuadrantSegmentation::GetDirection() | |
213 | { | |
5398f946 | 214 | /// Returns the direction with a constant pad size |
215 | /// (Direction or coordinate where the resolution is the best) | |
6b1e4b22 | 216 | |
217 | switch ( fSector->GetDirection() ) { | |
866c3232 | 218 | case AliMp::kX: return kDirX; |
219 | case AliMp::kY: return kDirY; | |
6b1e4b22 | 220 | default: return kDirUndefined; |
221 | } | |
222 | } | |
223 | ||
f5ed7890 | 224 | //______________________________________________________________________________ |
b7ef3c96 | 225 | const AliMpVSegmentation* |
f5ed7890 | 226 | AliMUONSt12QuadrantSegmentation::GetMpSegmentation() const |
227 | { | |
5398f946 | 228 | /// Returns the mapping segmentation |
229 | /// (provides access to electronics info) | |
f5ed7890 | 230 | |
231 | return fSectorSegmentation; | |
232 | } | |
233 | ||
e118b27e | 234 | //______________________________________________________________________________ |
235 | Float_t AliMUONSt12QuadrantSegmentation::GetAnod(Float_t xhit) const | |
236 | { | |
5398f946 | 237 | /// Anod wire coordinate closest to xhit |
238 | /// Returns for a hit position xhit the position of the nearest anode wire | |
239 | /// From AliMUONSegmentationV01. | |
e118b27e | 240 | |
241 | Float_t wire= (xhit>0) ? Int_t(xhit/fWireD) + 0.5 | |
242 | : Int_t(xhit/fWireD) - 0.5; | |
243 | return fWireD*wire; | |
244 | ||
245 | } | |
246 | ||
247 | //______________________________________________________________________________ | |
248 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, Float_t /*z*/, | |
249 | Int_t& ix, Int_t& iy) | |
250 | { | |
5398f946 | 251 | /// Returns pad coordinates (ix,iy) for given real coordinates (x,y) |
e118b27e | 252 | |
253 | GetPadI(x, y, ix, iy); | |
254 | } | |
255 | ||
256 | //______________________________________________________________________________ | |
257 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, | |
258 | Int_t& ix, Int_t& iy) | |
259 | { | |
5398f946 | 260 | /// Returns pad coordinates (ix,iy) for given real coordinates (x,y) |
261 | /// If there is no pad, ix = 0, iy = 0 are returned. | |
e118b27e | 262 | |
dfaf6b0d | 263 | AliMpPad pad = fSectorSegmentation->PadByPosition(TVector2(x,y), true); |
e118b27e | 264 | |
265 | ix = pad.GetIndices().GetFirst(); | |
266 | iy = pad.GetIndices().GetSecond(); | |
267 | } | |
268 | ||
269 | //______________________________________________________________________________ | |
270 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
271 | Float_t& x, Float_t& y, Float_t& z) | |
272 | { | |
5398f946 | 273 | /// Transform from pad to real coordinates |
e118b27e | 274 | |
275 | z = fZ; | |
276 | GetPadC(ix, iy, x , y); | |
277 | } | |
278 | ||
279 | //______________________________________________________________________________ | |
280 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
281 | Float_t& x, Float_t& y) | |
282 | { | |
5398f946 | 283 | /// Transform from pad to real coordinates |
284 | /// If there is no pad, x = 0., y = 0. are returned. | |
e118b27e | 285 | |
e0a49962 | 286 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), true); |
e118b27e | 287 | |
dfaf6b0d | 288 | x = pad.Position().X(); |
289 | y = pad.Position().Y(); | |
e118b27e | 290 | } |
291 | ||
292 | ||
293 | //______________________________________________________________________________ | |
294 | void AliMUONSt12QuadrantSegmentation::Init(Int_t chamber) | |
295 | { | |
5398f946 | 296 | /// Initialize segmentation |
e118b27e | 297 | |
59090931 | 298 | // find Npx, Npy and save this info |
e118b27e | 299 | |
300 | // reference to chamber | |
b7ef3c96 | 301 | fRmin=AliMUONConstants::Rmin(0); |
302 | fRmax=AliMUONConstants::Rmax(0); | |
e118b27e | 303 | fZ = 0; |
304 | fId=chamber; | |
305 | } | |
306 | ||
307 | //______________________________________________________________________________ | |
308 | Float_t AliMUONSt12QuadrantSegmentation::Dpx() const | |
309 | { | |
5398f946 | 310 | /// Get pad size in x |
e118b27e | 311 | |
312 | AliFatal( "Not uniform pad size."); | |
313 | return 0.; | |
314 | } | |
315 | ||
316 | //______________________________________________________________________________ | |
317 | Float_t AliMUONSt12QuadrantSegmentation::Dpy() const | |
318 | { | |
5398f946 | 319 | /// Get pad size in y |
e118b27e | 320 | |
321 | AliFatal("Not uniform pad size."); | |
322 | return 0.; | |
323 | } | |
324 | ||
325 | //______________________________________________________________________________ | |
326 | Float_t AliMUONSt12QuadrantSegmentation::Dpx(Int_t isector) const | |
327 | { | |
5398f946 | 328 | /// Pad size in x by sector |
e118b27e | 329 | |
dfaf6b0d | 330 | return fSectorSegmentation->PadDimensions(isector).X()*2.0; |
e118b27e | 331 | } |
332 | ||
333 | //______________________________________________________________________________ | |
334 | Float_t AliMUONSt12QuadrantSegmentation::Dpy(Int_t isector) const | |
335 | { | |
5398f946 | 336 | /// Pad size in x, y by Sector |
e118b27e | 337 | |
dfaf6b0d | 338 | return fSectorSegmentation->PadDimensions(isector).Y()*2.0; |
e118b27e | 339 | } |
340 | ||
341 | //______________________________________________________________________________ | |
342 | Int_t AliMUONSt12QuadrantSegmentation::Npx() const | |
343 | { | |
5398f946 | 344 | /// Maximum number of Pads in x |
345 | /// hard coded for the time being | |
e118b27e | 346 | |
580c28fd | 347 | return fSectorSegmentation->MaxPadIndexX(); |
e118b27e | 348 | } |
349 | ||
350 | //______________________________________________________________________________ | |
351 | Int_t AliMUONSt12QuadrantSegmentation::Npy() const | |
352 | { | |
5398f946 | 353 | /// Maximum number of Pads in y |
354 | /// hard coded for the time being | |
e118b27e | 355 | |
580c28fd | 356 | return fSectorSegmentation->MaxPadIndexY(); |
e118b27e | 357 | } |
358 | ||
359 | //______________________________________________________________________________ | |
360 | void AliMUONSt12QuadrantSegmentation::SetPad(Int_t ix, Int_t iy) | |
361 | { | |
5398f946 | 362 | /// Set pad position. |
363 | /// Sets virtual pad coordinates, needed for evaluating pad response | |
364 | /// outside the tracking program. | |
365 | /// From AliMUONSegmentationV01. | |
e118b27e | 366 | |
367 | GetPadC(ix, iy, fX, fY); | |
368 | fZone = Sector(ix, iy); | |
369 | } | |
370 | ||
371 | //______________________________________________________________________________ | |
372 | void AliMUONSt12QuadrantSegmentation::SetHit(Float_t xhit, Float_t yhit, Float_t /*zhit*/) | |
373 | { | |
5398f946 | 374 | /// Set hit position |
375 | /// Sets virtual hit position, needed for evaluating pad response | |
376 | /// outside the tracking program | |
377 | /// From AliMUONSegmentationV01. | |
e118b27e | 378 | |
379 | fXhit = xhit; | |
380 | fYhit = yhit; | |
381 | } | |
382 | ||
383 | //______________________________________________________________________________ | |
384 | void AliMUONSt12QuadrantSegmentation::FirstPad(Float_t xhit, Float_t yhit, Float_t /*zhit*/, | |
385 | Float_t dx, Float_t dy) | |
386 | { | |
5398f946 | 387 | /// Iterate over pads - initialiser |
e118b27e | 388 | |
389 | // Sets the current pad to that located in the hit position | |
390 | ||
391 | SetHit(GetAnod(xhit), yhit, 0.); | |
392 | ||
393 | // Enable iterating in one dimension | |
394 | if (dx == 0.) dx = 0.01; | |
395 | if (dy == 0.) dy = 0.01; | |
396 | ||
9eeaee6f | 397 | // Delete previous iterator |
398 | delete fSectorIterator; | |
399 | ||
e118b27e | 400 | fSectorIterator |
401 | = fSectorSegmentation | |
dfaf6b0d | 402 | ->CreateIterator(AliMpArea(TVector2(fXhit,fYhit),TVector2(dx,dy))); |
e118b27e | 403 | |
dfaf6b0d | 404 | AliDebug(1,Form("CreateIterator area=%e,%e +- %e,%e %s", |
8fbf5237 | 405 | fXhit,fYhit,dx,dy,PlaneTypeName(fPlaneType).Data())); |
dfaf6b0d | 406 | |
e118b27e | 407 | fSectorIterator->First(); |
408 | ||
409 | if (! fSectorIterator->IsDone()) | |
410 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
411 | } | |
412 | ||
413 | //______________________________________________________________________________ | |
414 | void AliMUONSt12QuadrantSegmentation::NextPad() | |
415 | { | |
5398f946 | 416 | /// Iterate over pads - stepper |
e118b27e | 417 | |
418 | fSectorIterator->Next(); | |
419 | ||
420 | if (! fSectorIterator->IsDone()) | |
421 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
422 | } | |
423 | ||
424 | //______________________________________________________________________________ | |
425 | Int_t AliMUONSt12QuadrantSegmentation::MorePads() | |
426 | { | |
5398f946 | 427 | /// Iterate over pads - condition |
e118b27e | 428 | |
429 | if (fSectorIterator->IsDone()) | |
430 | return 0; | |
431 | else | |
432 | return 1; | |
433 | } | |
434 | ||
435 | //______________________________________________________________________________ | |
436 | Float_t AliMUONSt12QuadrantSegmentation::Distance2AndOffset(Int_t iX, Int_t iY, | |
437 | Float_t x, Float_t y, Int_t* /*dummy*/) | |
438 | { | |
5398f946 | 439 | /// Returns the square of the distance between 1 pad |
440 | /// labelled by its channel numbers and a coordinate | |
e118b27e | 441 | |
442 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX, iY)); | |
443 | ||
444 | if (!pad.IsValid()) | |
445 | AliFatal("Cannot locate pad."); | |
446 | ||
dfaf6b0d | 447 | return (pad.Position() - TVector2(x, y)).Mod2(); |
e118b27e | 448 | } |
449 | ||
450 | //______________________________________________________________________________ | |
451 | void AliMUONSt12QuadrantSegmentation::GetNParallelAndOffset(Int_t /*iX*/, Int_t /*iY*/, | |
452 | Int_t* /*Nparallel*/, Int_t* /*Offset*/) | |
453 | { | |
5398f946 | 454 | /// Number of pads read in parallel and offset to add to x |
455 | /// (specific to LYON, but mandatory for display) | |
e118b27e | 456 | |
457 | AliFatal( "Not yet implemented."); | |
458 | } | |
459 | ||
460 | ||
461 | //______________________________________________________________________________ | |
462 | void AliMUONSt12QuadrantSegmentation::Neighbours(Int_t iX, Int_t iY, | |
463 | Int_t* Nlist, | |
464 | Int_t Xlist[10], Int_t Ylist[10]) | |
465 | { | |
5398f946 | 466 | /// Get next neighbours |
e118b27e | 467 | |
468 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX,iY)); | |
469 | Int_t &i = *Nlist; | |
470 | i=0; | |
f167062f | 471 | AliMpNeighboursPadIterator iter(fSectorSegmentation, pad, kFALSE); |
e118b27e | 472 | |
ddde88da | 473 | for( iter.First(); !iter.IsDone() && i<10; iter.Next()) { |
474 | Xlist[i] = iter.CurrentItem().GetIndices().GetFirst(); | |
475 | Ylist[i] = iter.CurrentItem().GetIndices().GetSecond(); | |
e118b27e | 476 | i++; |
477 | } | |
e118b27e | 478 | } |
ddde88da | 479 | |
e118b27e | 480 | //______________________________________________________________________________ |
481 | Int_t AliMUONSt12QuadrantSegmentation::Ix() | |
482 | { | |
5398f946 | 483 | /// Current pad cursor during disintegration |
484 | /// x, y-coordinate | |
e118b27e | 485 | |
486 | return fSectorIterator->CurrentItem().GetIndices().GetFirst(); | |
487 | } | |
488 | ||
489 | //______________________________________________________________________________ | |
490 | Int_t AliMUONSt12QuadrantSegmentation::Iy() | |
491 | { | |
5398f946 | 492 | /// Current pad cursor during disintegration |
493 | /// x, y-coordinate | |
e118b27e | 494 | |
495 | return fSectorIterator->CurrentItem().GetIndices().GetSecond(); | |
496 | } | |
497 | ||
498 | //______________________________________________________________________________ | |
499 | Int_t AliMUONSt12QuadrantSegmentation::ISector() | |
500 | { | |
5398f946 | 501 | /// Current sector |
e118b27e | 502 | |
503 | return fZone; | |
504 | } | |
505 | ||
506 | //______________________________________________________________________________ | |
507 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Int_t ix, Int_t iy) | |
508 | { | |
5398f946 | 509 | /// Calculate sector from pad coordinates |
e118b27e | 510 | |
511 | return fSectorSegmentation | |
512 | ->Zone(fSectorSegmentation->PadByIndices(AliMpIntPair(ix, iy))); | |
513 | } | |
514 | ||
515 | //______________________________________________________________________________ | |
516 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Float_t x, Float_t y) | |
517 | { | |
5398f946 | 518 | /// Calculate sector from pad coordinates |
e118b27e | 519 | |
520 | return fSectorSegmentation | |
521 | ->Zone(fSectorSegmentation | |
dfaf6b0d | 522 | ->PadByPosition(TVector2(x,y))); |
e118b27e | 523 | } |
524 | ||
525 | //______________________________________________________________________________ | |
526 | void AliMUONSt12QuadrantSegmentation::IntegrationLimits(Float_t& x1, Float_t& x2, | |
527 | Float_t& y1, Float_t& y2) | |
528 | { | |
5398f946 | 529 | /// Current integration limits |
e118b27e | 530 | |
531 | x1 = fXhit - fX - Dpx(fZone)/2.; | |
532 | x2 = x1 + Dpx(fZone); | |
533 | ||
534 | y1 = fYhit - fY - Dpy(fZone)/2.; | |
535 | y2 = y1 + Dpy(fZone); | |
536 | } | |
537 | ||
538 | //______________________________________________________________________________ | |
539 | Int_t AliMUONSt12QuadrantSegmentation::SigGenCond(Float_t x, Float_t y, Float_t /*z*/) | |
540 | { | |
5398f946 | 541 | /// Signal Generation Condition during Stepping |
542 | /// - 0: don't generate signal | |
543 | /// - 1: generate signal | |
544 | /// | |
545 | /// Comments: \n | |
546 | /// | |
547 | /// Crossing of pad boundary and mid plane between neighbouring wires is checked. | |
548 | /// To correctly simulate the dependence of the spatial resolution on the angle | |
549 | /// of incidence signal must be generated for constant steps on | |
550 | /// the projection of the trajectory along the anode wire. | |
551 | /// | |
552 | /// Signal will be generated if particle crosses pad boundary or | |
553 | /// boundary between two wires. | |
554 | /// | |
555 | /// From AliMUONSegmentationV01 | |
e118b27e | 556 | |
557 | Int_t ixt, iyt; | |
558 | GetPadI(x, y, ixt, iyt); | |
559 | Int_t iwt=(x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1; | |
560 | ||
561 | if ((ixt != fIxt) || (iyt !=fIyt) || (iwt != fIwt)) { | |
562 | return 1; | |
563 | } | |
564 | else { | |
565 | return 0; | |
566 | } | |
567 | } | |
568 | ||
e118b27e | 569 | //______________________________________________________________________________ |
570 | void AliMUONSt12QuadrantSegmentation::SigGenInit(Float_t x, Float_t y, Float_t /*z*/) | |
571 | { | |
5398f946 | 572 | /// Initialise signal generation at coord (x,y,z) |
573 | /// Initialises pad and wire position during stepping. | |
574 | /// From AliMUONSegmentationV01 | |
e118b27e | 575 | |
576 | fXt = x; | |
577 | fYt = y; | |
578 | GetPadI(x, y, fIxt, fIyt); | |
579 | fIwt = (x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1 ; | |
580 | } | |
581 | ||
582 | //______________________________________________________________________________ | |
583 | void AliMUONSt12QuadrantSegmentation::GiveTestPoints(Int_t& n, Float_t* x, Float_t* y) const | |
584 | { | |
5398f946 | 585 | /// Test points for auto calibration |
586 | /// Returns test point on the pad plane. | |
587 | /// Used during determination of the segmoid correction of the COG-method | |
588 | /// From AliMUONSegmentationV01 | |
e118b27e | 589 | |
590 | n=1; | |
591 | x[0] = (fRmax+fRmin)/2/TMath::Sqrt(2.); | |
592 | y[0] = x[0]; | |
593 | } | |
594 | ||
595 | //______________________________________________________________________________ | |
596 | void AliMUONSt12QuadrantSegmentation::Draw(const char * /*opt*/) | |
597 | { | |
5398f946 | 598 | /// Draw the segmentation zones. |
599 | /// (Called from AliMUON::BuildGeometry) | |
e118b27e | 600 | |
601 | AliWarning("Not yet implemented."); | |
602 | } | |
603 | ||
604 | //______________________________________________________________________________ | |
605 | void AliMUONSt12QuadrantSegmentation::SetCorrFunc(Int_t isec, TF1* func) | |
606 | { | |
5398f946 | 607 | /// Set the correction function. |
608 | /// From AliMUONSegmentationV01 | |
e118b27e | 609 | |
610 | fCorrA->AddAt(func, isec); | |
611 | } | |
612 | ||
613 | //______________________________________________________________________________ | |
614 | TF1* AliMUONSt12QuadrantSegmentation::CorrFunc(Int_t isec) const | |
615 | { | |
5398f946 | 616 | /// Get the correction Function. |
617 | /// From AliMUONSegmentationV01 | |
e118b27e | 618 | |
619 | return (TF1*) fCorrA->At(isec); | |
620 | } |