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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 | |
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 | |
5398f946 | 45 | /// \cond CLASSIMP |
e118b27e | 46 | ClassImp(AliMUONSt12QuadrantSegmentation) |
5398f946 | 47 | /// \endcond |
e118b27e | 48 | |
e118b27e | 49 | //______________________________________________________________________________ |
50 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation( | |
8fbf5237 | 51 | AliMpVSegmentation* segmentation, |
e118b27e | 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), | |
8fed3fe9 | 60 | fWireD(0), |
e118b27e | 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 | { | |
5398f946 | 80 | /// Standard constructor |
a713db22 | 81 | |
8fbf5237 | 82 | fSectorSegmentation = dynamic_cast<AliMpSectorSegmentation*>(segmentation); |
83 | if (fSectorSegmentation) | |
84 | fSector = fSectorSegmentation->GetSector(); | |
85 | else | |
86 | AliFatal("Wrong mapping segmentation type"); | |
8fed3fe9 | 87 | |
88 | // Anod pitch | |
89 | if ( stationType == kStation1 ) | |
90 | fWireD = AliMUONConstants::PitchSt1(); | |
91 | else if ( stationType == kStation2 ) | |
92 | fWireD = AliMUONConstants::Pitch(); | |
93 | else | |
94 | AliFatal("Wrong station type"); | |
e118b27e | 95 | |
96 | fCorrA = new TObjArray(3); | |
97 | fCorrA->AddAt(0,0); | |
98 | fCorrA->AddAt(0,1); | |
99 | fCorrA->AddAt(0,2); | |
b7ef3c96 | 100 | |
101 | AliDebug(1, Form("ctor this = %p", this) ); | |
e118b27e | 102 | } |
103 | ||
104 | //______________________________________________________________________________ | |
105 | AliMUONSt12QuadrantSegmentation::AliMUONSt12QuadrantSegmentation() | |
e0a49962 | 106 | : AliMUONVGeometryDESegmentation(), |
59090931 | 107 | fStationType(kStation1), |
108 | fPlaneType(kBendingPlane), | |
e118b27e | 109 | fSector(0), |
110 | fSectorSegmentation(0), | |
111 | fSectorIterator(0), | |
8fed3fe9 | 112 | fWireD(0), |
e118b27e | 113 | fChamber(0), |
114 | fId(0), | |
115 | fRmin(0.), | |
116 | fRmax(0.), | |
117 | fZ(0.), | |
118 | fIx(0), | |
119 | fIy(0), | |
120 | fX(0.), | |
121 | fY(0.), | |
122 | fZone(0), | |
123 | fXhit(0.), | |
124 | fYhit(0.), | |
125 | fIxt(0), | |
126 | fIyt(0), | |
127 | fIwt(0), | |
128 | fXt(0.), | |
129 | fYt(0.), | |
5398f946 | 130 | fCorrA(0) |
131 | { | |
132 | /// Default Constructor | |
b7ef3c96 | 133 | |
134 | AliDebug(1, Form("default (empty) ctor this = %p", this)); | |
e118b27e | 135 | } |
136 | ||
137 | //______________________________________________________________________________ | |
5398f946 | 138 | AliMUONSt12QuadrantSegmentation::~AliMUONSt12QuadrantSegmentation() |
e118b27e | 139 | { |
5398f946 | 140 | /// Destructor |
e118b27e | 141 | |
b7ef3c96 | 142 | AliDebug(1, Form("dtor this = %p", this)); |
143 | ||
e118b27e | 144 | delete fSector; |
145 | delete fSectorSegmentation; | |
146 | delete fSectorIterator; | |
147 | } | |
148 | ||
e118b27e | 149 | // |
150 | // private methods | |
151 | // | |
152 | ||
153 | //______________________________________________________________________________ | |
154 | void AliMUONSt12QuadrantSegmentation::UpdateCurrentPadValues(const AliMpPad& pad) | |
155 | { | |
5398f946 | 156 | /// Updates current pad values. |
e118b27e | 157 | |
158 | fIx = pad.GetIndices().GetFirst(); | |
159 | fIy = pad.GetIndices().GetSecond(); | |
dfaf6b0d | 160 | fX = pad.Position().X(); |
161 | fY = pad.Position().Y(); | |
e118b27e | 162 | fZone = fSectorSegmentation->Zone(pad); |
163 | } | |
164 | ||
59090931 | 165 | |
e118b27e | 166 | // |
167 | // public methods | |
168 | // | |
169 | ||
170 | //______________________________________________________________________________ | |
171 | void AliMUONSt12QuadrantSegmentation::SetPadSize(Float_t /*p1*/, Float_t /*p2*/) | |
172 | { | |
5398f946 | 173 | /// Set pad size Dx*Dy |
e118b27e | 174 | |
175 | AliFatal("Not uniform pad size."); | |
176 | } | |
177 | ||
178 | //______________________________________________________________________________ | |
179 | void AliMUONSt12QuadrantSegmentation::SetDAnod(Float_t d) | |
180 | { | |
5398f946 | 181 | /// Set anod pitch |
e118b27e | 182 | |
183 | fWireD = d; | |
184 | } | |
185 | ||
59090931 | 186 | #include "AliMpMotifMap.h" |
e0a49962 | 187 | //______________________________________________________________________________ |
188 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Float_t x, Float_t y, Float_t /*z*/) | |
189 | { | |
5398f946 | 190 | /// Returns true if a pad exists in the given position |
e0a49962 | 191 | |
59090931 | 192 | // fSector->GetMotifMap()->Print(); |
193 | ||
e0a49962 | 194 | AliMpPad pad = fSectorSegmentation |
dfaf6b0d | 195 | ->PadByPosition(TVector2(x,y), false); |
e0a49962 | 196 | |
197 | return pad.IsValid(); | |
198 | } | |
199 | ||
200 | ||
201 | //______________________________________________________________________________ | |
202 | Bool_t AliMUONSt12QuadrantSegmentation::HasPad(Int_t ix, Int_t iy) | |
203 | { | |
5398f946 | 204 | /// Returns true if a pad with given indices exists |
e0a49962 | 205 | |
206 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), false); | |
207 | ||
208 | return pad.IsValid(); | |
209 | } | |
210 | ||
211 | ||
6b1e4b22 | 212 | //______________________________________________________________________________ |
213 | AliMUONGeometryDirection AliMUONSt12QuadrantSegmentation::GetDirection() | |
214 | { | |
5398f946 | 215 | /// Returns the direction with a constant pad size |
216 | /// (Direction or coordinate where the resolution is the best) | |
6b1e4b22 | 217 | |
218 | switch ( fSector->GetDirection() ) { | |
219 | case kX: return kDirX; | |
220 | case kY: return kDirY; | |
221 | default: return kDirUndefined; | |
222 | } | |
223 | } | |
224 | ||
f5ed7890 | 225 | //______________________________________________________________________________ |
b7ef3c96 | 226 | const AliMpVSegmentation* |
f5ed7890 | 227 | AliMUONSt12QuadrantSegmentation::GetMpSegmentation() const |
228 | { | |
5398f946 | 229 | /// Returns the mapping segmentation |
230 | /// (provides access to electronics info) | |
f5ed7890 | 231 | |
232 | return fSectorSegmentation; | |
233 | } | |
234 | ||
e118b27e | 235 | //______________________________________________________________________________ |
236 | Float_t AliMUONSt12QuadrantSegmentation::GetAnod(Float_t xhit) const | |
237 | { | |
5398f946 | 238 | /// Anod wire coordinate closest to xhit |
239 | /// Returns for a hit position xhit the position of the nearest anode wire | |
240 | /// From AliMUONSegmentationV01. | |
e118b27e | 241 | |
242 | Float_t wire= (xhit>0) ? Int_t(xhit/fWireD) + 0.5 | |
243 | : Int_t(xhit/fWireD) - 0.5; | |
244 | return fWireD*wire; | |
245 | ||
246 | } | |
247 | ||
248 | //______________________________________________________________________________ | |
249 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, Float_t /*z*/, | |
250 | Int_t& ix, Int_t& iy) | |
251 | { | |
5398f946 | 252 | /// Returns pad coordinates (ix,iy) for given real coordinates (x,y) |
e118b27e | 253 | |
254 | GetPadI(x, y, ix, iy); | |
255 | } | |
256 | ||
257 | //______________________________________________________________________________ | |
258 | void AliMUONSt12QuadrantSegmentation::GetPadI(Float_t x, Float_t y, | |
259 | Int_t& ix, Int_t& iy) | |
260 | { | |
5398f946 | 261 | /// Returns pad coordinates (ix,iy) for given real coordinates (x,y) |
262 | /// If there is no pad, ix = 0, iy = 0 are returned. | |
e118b27e | 263 | |
dfaf6b0d | 264 | AliMpPad pad = fSectorSegmentation->PadByPosition(TVector2(x,y), true); |
e118b27e | 265 | |
266 | ix = pad.GetIndices().GetFirst(); | |
267 | iy = pad.GetIndices().GetSecond(); | |
268 | } | |
269 | ||
270 | //______________________________________________________________________________ | |
271 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
272 | Float_t& x, Float_t& y, Float_t& z) | |
273 | { | |
5398f946 | 274 | /// Transform from pad to real coordinates |
e118b27e | 275 | |
276 | z = fZ; | |
277 | GetPadC(ix, iy, x , y); | |
278 | } | |
279 | ||
280 | //______________________________________________________________________________ | |
281 | void AliMUONSt12QuadrantSegmentation::GetPadC(Int_t ix, Int_t iy, | |
282 | Float_t& x, Float_t& y) | |
283 | { | |
5398f946 | 284 | /// Transform from pad to real coordinates |
285 | /// If there is no pad, x = 0., y = 0. are returned. | |
e118b27e | 286 | |
e0a49962 | 287 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(ix,iy), true); |
e118b27e | 288 | |
dfaf6b0d | 289 | x = pad.Position().X(); |
290 | y = pad.Position().Y(); | |
e118b27e | 291 | } |
292 | ||
293 | ||
294 | //______________________________________________________________________________ | |
295 | void AliMUONSt12QuadrantSegmentation::Init(Int_t chamber) | |
296 | { | |
5398f946 | 297 | /// Initialize segmentation |
e118b27e | 298 | |
59090931 | 299 | // find Npx, Npy and save this info |
e118b27e | 300 | |
301 | // reference to chamber | |
b7ef3c96 | 302 | fRmin=AliMUONConstants::Rmin(0); |
303 | fRmax=AliMUONConstants::Rmax(0); | |
e118b27e | 304 | fZ = 0; |
305 | fId=chamber; | |
306 | } | |
307 | ||
308 | //______________________________________________________________________________ | |
309 | Float_t AliMUONSt12QuadrantSegmentation::Dpx() const | |
310 | { | |
5398f946 | 311 | /// Get pad size in x |
e118b27e | 312 | |
313 | AliFatal( "Not uniform pad size."); | |
314 | return 0.; | |
315 | } | |
316 | ||
317 | //______________________________________________________________________________ | |
318 | Float_t AliMUONSt12QuadrantSegmentation::Dpy() const | |
319 | { | |
5398f946 | 320 | /// Get pad size in y |
e118b27e | 321 | |
322 | AliFatal("Not uniform pad size."); | |
323 | return 0.; | |
324 | } | |
325 | ||
326 | //______________________________________________________________________________ | |
327 | Float_t AliMUONSt12QuadrantSegmentation::Dpx(Int_t isector) const | |
328 | { | |
5398f946 | 329 | /// Pad size in x by sector |
e118b27e | 330 | |
dfaf6b0d | 331 | return fSectorSegmentation->PadDimensions(isector).X()*2.0; |
e118b27e | 332 | } |
333 | ||
334 | //______________________________________________________________________________ | |
335 | Float_t AliMUONSt12QuadrantSegmentation::Dpy(Int_t isector) const | |
336 | { | |
5398f946 | 337 | /// Pad size in x, y by Sector |
e118b27e | 338 | |
dfaf6b0d | 339 | return fSectorSegmentation->PadDimensions(isector).Y()*2.0; |
e118b27e | 340 | } |
341 | ||
342 | //______________________________________________________________________________ | |
343 | Int_t AliMUONSt12QuadrantSegmentation::Npx() const | |
344 | { | |
5398f946 | 345 | /// Maximum number of Pads in x |
346 | /// hard coded for the time being | |
e118b27e | 347 | |
580c28fd | 348 | return fSectorSegmentation->MaxPadIndexX(); |
e118b27e | 349 | } |
350 | ||
351 | //______________________________________________________________________________ | |
352 | Int_t AliMUONSt12QuadrantSegmentation::Npy() const | |
353 | { | |
5398f946 | 354 | /// Maximum number of Pads in y |
355 | /// hard coded for the time being | |
e118b27e | 356 | |
580c28fd | 357 | return fSectorSegmentation->MaxPadIndexY(); |
e118b27e | 358 | } |
359 | ||
360 | //______________________________________________________________________________ | |
361 | void AliMUONSt12QuadrantSegmentation::SetPad(Int_t ix, Int_t iy) | |
362 | { | |
5398f946 | 363 | /// Set pad position. |
364 | /// Sets virtual pad coordinates, needed for evaluating pad response | |
365 | /// outside the tracking program. | |
366 | /// From AliMUONSegmentationV01. | |
e118b27e | 367 | |
368 | GetPadC(ix, iy, fX, fY); | |
369 | fZone = Sector(ix, iy); | |
370 | } | |
371 | ||
372 | //______________________________________________________________________________ | |
373 | void AliMUONSt12QuadrantSegmentation::SetHit(Float_t xhit, Float_t yhit, Float_t /*zhit*/) | |
374 | { | |
5398f946 | 375 | /// Set hit position |
376 | /// Sets virtual hit position, needed for evaluating pad response | |
377 | /// outside the tracking program | |
378 | /// From AliMUONSegmentationV01. | |
e118b27e | 379 | |
380 | fXhit = xhit; | |
381 | fYhit = yhit; | |
382 | } | |
383 | ||
384 | //______________________________________________________________________________ | |
385 | void AliMUONSt12QuadrantSegmentation::FirstPad(Float_t xhit, Float_t yhit, Float_t /*zhit*/, | |
386 | Float_t dx, Float_t dy) | |
387 | { | |
5398f946 | 388 | /// Iterate over pads - initialiser |
e118b27e | 389 | |
390 | // Sets the current pad to that located in the hit position | |
391 | ||
392 | SetHit(GetAnod(xhit), yhit, 0.); | |
393 | ||
394 | // Enable iterating in one dimension | |
395 | if (dx == 0.) dx = 0.01; | |
396 | if (dy == 0.) dy = 0.01; | |
397 | ||
9eeaee6f | 398 | // Delete previous iterator |
399 | delete fSectorIterator; | |
400 | ||
e118b27e | 401 | fSectorIterator |
402 | = fSectorSegmentation | |
dfaf6b0d | 403 | ->CreateIterator(AliMpArea(TVector2(fXhit,fYhit),TVector2(dx,dy))); |
e118b27e | 404 | |
dfaf6b0d | 405 | AliDebug(1,Form("CreateIterator area=%e,%e +- %e,%e %s", |
8fbf5237 | 406 | fXhit,fYhit,dx,dy,PlaneTypeName(fPlaneType).Data())); |
dfaf6b0d | 407 | |
e118b27e | 408 | fSectorIterator->First(); |
409 | ||
410 | if (! fSectorIterator->IsDone()) | |
411 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
412 | } | |
413 | ||
414 | //______________________________________________________________________________ | |
415 | void AliMUONSt12QuadrantSegmentation::NextPad() | |
416 | { | |
5398f946 | 417 | /// Iterate over pads - stepper |
e118b27e | 418 | |
419 | fSectorIterator->Next(); | |
420 | ||
421 | if (! fSectorIterator->IsDone()) | |
422 | UpdateCurrentPadValues(fSectorIterator->CurrentItem()); | |
423 | } | |
424 | ||
425 | //______________________________________________________________________________ | |
426 | Int_t AliMUONSt12QuadrantSegmentation::MorePads() | |
427 | { | |
5398f946 | 428 | /// Iterate over pads - condition |
e118b27e | 429 | |
430 | if (fSectorIterator->IsDone()) | |
431 | return 0; | |
432 | else | |
433 | return 1; | |
434 | } | |
435 | ||
436 | //______________________________________________________________________________ | |
437 | Float_t AliMUONSt12QuadrantSegmentation::Distance2AndOffset(Int_t iX, Int_t iY, | |
438 | Float_t x, Float_t y, Int_t* /*dummy*/) | |
439 | { | |
5398f946 | 440 | /// Returns the square of the distance between 1 pad |
441 | /// labelled by its channel numbers and a coordinate | |
e118b27e | 442 | |
443 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX, iY)); | |
444 | ||
445 | if (!pad.IsValid()) | |
446 | AliFatal("Cannot locate pad."); | |
447 | ||
dfaf6b0d | 448 | return (pad.Position() - TVector2(x, y)).Mod2(); |
e118b27e | 449 | } |
450 | ||
451 | //______________________________________________________________________________ | |
452 | void AliMUONSt12QuadrantSegmentation::GetNParallelAndOffset(Int_t /*iX*/, Int_t /*iY*/, | |
453 | Int_t* /*Nparallel*/, Int_t* /*Offset*/) | |
454 | { | |
5398f946 | 455 | /// Number of pads read in parallel and offset to add to x |
456 | /// (specific to LYON, but mandatory for display) | |
e118b27e | 457 | |
458 | AliFatal( "Not yet implemented."); | |
459 | } | |
460 | ||
461 | ||
462 | //______________________________________________________________________________ | |
463 | void AliMUONSt12QuadrantSegmentation::Neighbours(Int_t iX, Int_t iY, | |
464 | Int_t* Nlist, | |
465 | Int_t Xlist[10], Int_t Ylist[10]) | |
466 | { | |
5398f946 | 467 | /// Get next neighbours |
e118b27e | 468 | |
469 | AliMpPad pad = fSectorSegmentation->PadByIndices(AliMpIntPair(iX,iY)); | |
470 | Int_t &i = *Nlist; | |
471 | i=0; | |
f167062f | 472 | AliMpNeighboursPadIterator iter(fSectorSegmentation, pad, kFALSE); |
e118b27e | 473 | |
ddde88da | 474 | for( iter.First(); !iter.IsDone() && i<10; iter.Next()) { |
475 | Xlist[i] = iter.CurrentItem().GetIndices().GetFirst(); | |
476 | Ylist[i] = iter.CurrentItem().GetIndices().GetSecond(); | |
e118b27e | 477 | i++; |
478 | } | |
e118b27e | 479 | } |
ddde88da | 480 | |
e118b27e | 481 | //______________________________________________________________________________ |
482 | Int_t AliMUONSt12QuadrantSegmentation::Ix() | |
483 | { | |
5398f946 | 484 | /// Current pad cursor during disintegration |
485 | /// x, y-coordinate | |
e118b27e | 486 | |
487 | return fSectorIterator->CurrentItem().GetIndices().GetFirst(); | |
488 | } | |
489 | ||
490 | //______________________________________________________________________________ | |
491 | Int_t AliMUONSt12QuadrantSegmentation::Iy() | |
492 | { | |
5398f946 | 493 | /// Current pad cursor during disintegration |
494 | /// x, y-coordinate | |
e118b27e | 495 | |
496 | return fSectorIterator->CurrentItem().GetIndices().GetSecond(); | |
497 | } | |
498 | ||
499 | //______________________________________________________________________________ | |
500 | Int_t AliMUONSt12QuadrantSegmentation::ISector() | |
501 | { | |
5398f946 | 502 | /// Current sector |
e118b27e | 503 | |
504 | return fZone; | |
505 | } | |
506 | ||
507 | //______________________________________________________________________________ | |
508 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Int_t ix, Int_t iy) | |
509 | { | |
5398f946 | 510 | /// Calculate sector from pad coordinates |
e118b27e | 511 | |
512 | return fSectorSegmentation | |
513 | ->Zone(fSectorSegmentation->PadByIndices(AliMpIntPair(ix, iy))); | |
514 | } | |
515 | ||
516 | //______________________________________________________________________________ | |
517 | Int_t AliMUONSt12QuadrantSegmentation::Sector(Float_t x, Float_t y) | |
518 | { | |
5398f946 | 519 | /// Calculate sector from pad coordinates |
e118b27e | 520 | |
521 | return fSectorSegmentation | |
522 | ->Zone(fSectorSegmentation | |
dfaf6b0d | 523 | ->PadByPosition(TVector2(x,y))); |
e118b27e | 524 | } |
525 | ||
526 | //______________________________________________________________________________ | |
527 | void AliMUONSt12QuadrantSegmentation::IntegrationLimits(Float_t& x1, Float_t& x2, | |
528 | Float_t& y1, Float_t& y2) | |
529 | { | |
5398f946 | 530 | /// Current integration limits |
e118b27e | 531 | |
532 | x1 = fXhit - fX - Dpx(fZone)/2.; | |
533 | x2 = x1 + Dpx(fZone); | |
534 | ||
535 | y1 = fYhit - fY - Dpy(fZone)/2.; | |
536 | y2 = y1 + Dpy(fZone); | |
537 | } | |
538 | ||
539 | //______________________________________________________________________________ | |
540 | Int_t AliMUONSt12QuadrantSegmentation::SigGenCond(Float_t x, Float_t y, Float_t /*z*/) | |
541 | { | |
5398f946 | 542 | /// Signal Generation Condition during Stepping |
543 | /// - 0: don't generate signal | |
544 | /// - 1: generate signal | |
545 | /// | |
546 | /// Comments: \n | |
547 | /// | |
548 | /// Crossing of pad boundary and mid plane between neighbouring wires is checked. | |
549 | /// To correctly simulate the dependence of the spatial resolution on the angle | |
550 | /// of incidence signal must be generated for constant steps on | |
551 | /// the projection of the trajectory along the anode wire. | |
552 | /// | |
553 | /// Signal will be generated if particle crosses pad boundary or | |
554 | /// boundary between two wires. | |
555 | /// | |
556 | /// From AliMUONSegmentationV01 | |
e118b27e | 557 | |
558 | Int_t ixt, iyt; | |
559 | GetPadI(x, y, ixt, iyt); | |
560 | Int_t iwt=(x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1; | |
561 | ||
562 | if ((ixt != fIxt) || (iyt !=fIyt) || (iwt != fIwt)) { | |
563 | return 1; | |
564 | } | |
565 | else { | |
566 | return 0; | |
567 | } | |
568 | } | |
569 | ||
e118b27e | 570 | //______________________________________________________________________________ |
571 | void AliMUONSt12QuadrantSegmentation::SigGenInit(Float_t x, Float_t y, Float_t /*z*/) | |
572 | { | |
5398f946 | 573 | /// Initialise signal generation at coord (x,y,z) |
574 | /// Initialises pad and wire position during stepping. | |
575 | /// From AliMUONSegmentationV01 | |
e118b27e | 576 | |
577 | fXt = x; | |
578 | fYt = y; | |
579 | GetPadI(x, y, fIxt, fIyt); | |
580 | fIwt = (x>0) ? Int_t(x/fWireD)+1 : Int_t(x/fWireD)-1 ; | |
581 | } | |
582 | ||
583 | //______________________________________________________________________________ | |
584 | void AliMUONSt12QuadrantSegmentation::GiveTestPoints(Int_t& n, Float_t* x, Float_t* y) const | |
585 | { | |
5398f946 | 586 | /// Test points for auto calibration |
587 | /// Returns test point on the pad plane. | |
588 | /// Used during determination of the segmoid correction of the COG-method | |
589 | /// From AliMUONSegmentationV01 | |
e118b27e | 590 | |
591 | n=1; | |
592 | x[0] = (fRmax+fRmin)/2/TMath::Sqrt(2.); | |
593 | y[0] = x[0]; | |
594 | } | |
595 | ||
596 | //______________________________________________________________________________ | |
597 | void AliMUONSt12QuadrantSegmentation::Draw(const char * /*opt*/) | |
598 | { | |
5398f946 | 599 | /// Draw the segmentation zones. |
600 | /// (Called from AliMUON::BuildGeometry) | |
e118b27e | 601 | |
602 | AliWarning("Not yet implemented."); | |
603 | } | |
604 | ||
605 | //______________________________________________________________________________ | |
606 | void AliMUONSt12QuadrantSegmentation::SetCorrFunc(Int_t isec, TF1* func) | |
607 | { | |
5398f946 | 608 | /// Set the correction function. |
609 | /// From AliMUONSegmentationV01 | |
e118b27e | 610 | |
611 | fCorrA->AddAt(func, isec); | |
612 | } | |
613 | ||
614 | //______________________________________________________________________________ | |
615 | TF1* AliMUONSt12QuadrantSegmentation::CorrFunc(Int_t isec) const | |
616 | { | |
5398f946 | 617 | /// Get the correction Function. |
618 | /// From AliMUONSegmentationV01 | |
e118b27e | 619 | |
620 | return (TF1*) fCorrA->At(isec); | |
621 | } |