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99ccb7f7 | 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 | ||
9edefa04 | 18 | #include <Riostream.h> |
19 | #include <TMath.h> | |
20 | #include <TObjArray.h> | |
21 | #include <TVirtualPad.h> | |
22 | #include <TVirtualX.h> | |
23 | ||
99ccb7f7 | 24 | #include "AliMUONCluster.h" |
168e9c4d | 25 | #include "AliMUONPad.h" |
26 | ||
27 | #include "AliMpEncodePair.h" | |
99ccb7f7 | 28 | |
29 | #include "AliLog.h" | |
99ccb7f7 | 30 | |
3d1463c8 | 31 | //----------------------------------------------------------------------------- |
99ccb7f7 | 32 | /// \class AliMUONCluster |
33 | /// | |
34 | /// A group of adjacent pads | |
35 | /// | |
36 | /// Besides holding an internal array of AliMUONPads, this object | |
37 | /// also computes some global characteristics for that pad sets. | |
38 | /// | |
39 | /// \author Laurent Aphecetche | |
40 | /// | |
3d1463c8 | 41 | //----------------------------------------------------------------------------- |
99ccb7f7 | 42 | |
43 | /// \cond CLASSIMP | |
44 | ClassImp(AliMUONCluster) | |
45 | /// \endcond | |
46 | ||
47 | namespace | |
48 | { | |
49 | //___________________________________________________________________________ | |
50 | Bool_t | |
51 | ShouldUsePad(const AliMUONPad& pad, | |
52 | Int_t cathode, Int_t statusMask, Bool_t matchMask) | |
53 | { | |
54 | ||
55 | // FIXME : we should only use >=0 status, so we can fully | |
56 | // use masking possibility ? | |
57 | if ( pad.Status() < 0 ) return kFALSE; | |
58 | ||
59 | if ( pad.Cathode() == cathode && pad.IsReal() && !pad.IsSaturated() ) | |
60 | { | |
61 | Bool_t test = ( ( pad.Status() & statusMask ) != 0 ); | |
62 | if ( !statusMask ) | |
63 | { | |
64 | test = ( pad.Status() == 0 ); | |
65 | } | |
66 | if ( ( test && matchMask ) || ( !test && !matchMask ) ) | |
67 | { | |
68 | return kTRUE; | |
69 | } | |
70 | } | |
71 | return kFALSE; | |
72 | } | |
73 | ||
74 | //___________________________________________________________________________ | |
75 | Int_t Unique(Int_t n, Double_t* array, Double_t precision) | |
76 | { | |
77 | /// Return the number of *different* elements in array | |
78 | /// where different is up to precision | |
79 | /// Note that we assume that n is >= 1 | |
80 | ||
81 | Int_t count(1); | |
82 | ||
83 | Int_t* index = new Int_t[n]; | |
84 | ||
85 | TMath::Sort(n,array,index); | |
86 | ||
87 | for ( Int_t i = 1; i < n; ++i ) | |
88 | { | |
89 | if ( array[index[i]] - array[index[i-1]] < -precision ) ++count; | |
90 | } | |
91 | ||
92 | delete[] index; | |
93 | ||
94 | return count; | |
95 | } | |
96 | } | |
97 | ||
98 | //_____________________________________________________________________________ | |
99 | AliMUONCluster::AliMUONCluster() | |
100 | : TObject(), | |
e0de1dd9 | 101 | fPads(), |
99ccb7f7 | 102 | fHasPosition(kFALSE), |
103 | fPosition(1E9,1E9), | |
104 | fPositionError(1E9,1E9), | |
105 | fHasCharge(kFALSE), | |
00de388f | 106 | fChi2(0) |
99ccb7f7 | 107 | { |
108 | /// ctor | |
109 | fMultiplicity[0]=fMultiplicity[1]=0; | |
110 | fRawCharge[0]=fRawCharge[1]=0; | |
111 | fCharge[0]=fCharge[1]=0; | |
112 | fIsSaturated[0]=fIsSaturated[1]=kFALSE; | |
e0de1dd9 | 113 | fPads.SetOwner(kTRUE); |
99ccb7f7 | 114 | } |
115 | ||
116 | //_____________________________________________________________________________ | |
117 | AliMUONCluster::AliMUONCluster(const AliMUONCluster& src) | |
118 | : TObject(src), | |
e0de1dd9 | 119 | fPads(), |
99ccb7f7 | 120 | fHasPosition(kFALSE), |
121 | fPosition(1E9,1E9), | |
122 | fPositionError(1E9,1E9), | |
123 | fHasCharge(kFALSE), | |
00de388f | 124 | fChi2(0) |
99ccb7f7 | 125 | { |
126 | /// copy ctor | |
e0de1dd9 | 127 | fPads.SetOwner(kTRUE); |
99ccb7f7 | 128 | src.Copy(*this); |
129 | } | |
130 | ||
131 | //_____________________________________________________________________________ | |
132 | AliMUONCluster& | |
133 | AliMUONCluster::operator=(const AliMUONCluster& src) | |
134 | { | |
135 | /// assignement operator | |
0c8556b9 | 136 | if ( this != &src ) |
137 | { | |
138 | src.Copy(*this); | |
139 | } | |
99ccb7f7 | 140 | return *this; |
141 | } | |
142 | ||
143 | //_____________________________________________________________________________ | |
144 | AliMUONCluster::~AliMUONCluster() | |
145 | { | |
146 | /// dtor : note that we're owner of our pads | |
57f3728e | 147 | // fPads.Delete(); |
99ccb7f7 | 148 | } |
149 | ||
150 | //_____________________________________________________________________________ | |
151 | void | |
00de388f | 152 | AliMUONCluster::Clear(Option_t*) |
153 | { | |
154 | /// Clear our pad array | |
e0de1dd9 | 155 | fPads.Clear(); |
57f3728e | 156 | // fPads.Delete(); |
00de388f | 157 | } |
158 | ||
159 | //_____________________________________________________________________________ | |
160 | Bool_t | |
161 | AliMUONCluster::Contains(const AliMUONPad& pad) const | |
162 | { | |
163 | /// Whether this cluster contains the pad | |
e0de1dd9 | 164 | if (fPads.IsEmpty()) return kFALSE; |
165 | ||
00de388f | 166 | for ( Int_t i = 0; i < Multiplicity(); ++i ) |
167 | { | |
168 | AliMUONPad* p = Pad(i); | |
169 | if ( pad.Compare(p) == 0 ) return kTRUE; | |
170 | } | |
171 | return kFALSE; | |
172 | } | |
173 | ||
174 | //_____________________________________________________________________________ | |
175 | void | |
176 | AliMUONCluster::AddCluster(const AliMUONCluster& cluster) | |
177 | { | |
178 | /// Add all the pads for cluster to this one | |
179 | for ( Int_t i = 0; i < cluster.Multiplicity(); ++i ) | |
180 | { | |
181 | AliMUONPad* p = cluster.Pad(i); | |
182 | if ( Contains(*p) ) | |
183 | { | |
184 | AliError("I already got this pad : "); | |
185 | StdoutToAliError(p->Print();); | |
186 | AliFatal(""); | |
187 | } | |
188 | AddPad(*p); | |
189 | } | |
190 | ||
191 | } | |
192 | ||
193 | //_____________________________________________________________________________ | |
194 | AliMUONPad* | |
99ccb7f7 | 195 | AliMUONCluster::AddPad(const AliMUONPad& pad) |
196 | { | |
197 | /// Add a pad to our pad array, and update some internal information | |
198 | /// accordingly. | |
e0de1dd9 | 199 | |
99ccb7f7 | 200 | AliMUONPad* p = new AliMUONPad(pad); |
e0de1dd9 | 201 | fPads.AddLast(p); |
99ccb7f7 | 202 | p->SetClusterId(GetUniqueID()); |
203 | Int_t cathode = p->Cathode(); | |
204 | ++(fMultiplicity[cathode]); | |
205 | fRawCharge[cathode] += p->Charge(); | |
206 | if ( p->IsSaturated() ) | |
207 | { | |
208 | fIsSaturated[p->Cathode()]=kTRUE; | |
209 | } | |
00de388f | 210 | return p; |
211 | } | |
212 | ||
213 | //___________________________________________________________________________ | |
214 | TString | |
215 | AliMUONCluster::AsString() const | |
216 | { | |
217 | /// Return a string containing a compact form of the pad list | |
218 | TString s(Form("NPADS(%d,%d)",Multiplicity(0),Multiplicity(1))); | |
219 | ||
220 | for (Int_t i = 0; i < Multiplicity(); ++i ) | |
221 | { | |
222 | AliMUONPad* p = Pad(i); | |
223 | s += Form(" (%d,%d,%d) ",p->Cathode(),p->Ix(),p->Iy()); | |
224 | } | |
225 | return s; | |
226 | } | |
227 | ||
228 | ||
229 | //___________________________________________________________________________ | |
230 | Bool_t | |
231 | AliMUONCluster::AreOverlapping(const AliMUONCluster& c1, const AliMUONCluster& c2) | |
232 | { | |
233 | /// Whether the two clusters overlap | |
234 | ||
235 | static Double_t precision = 1E-4; // cm | |
236 | static TVector2 precisionAdjustment(precision,precision); | |
237 | ||
238 | for ( Int_t i1 = 0; i1 < c1.Multiplicity(); ++i1 ) | |
239 | { | |
240 | AliMUONPad* p1 = c1.Pad(i1); | |
241 | ||
242 | for ( Int_t i2 = 0; i2 < c2.Multiplicity(); ++i2 ) | |
243 | { | |
244 | AliMUONPad* p2 = c2.Pad(i2); | |
245 | // Note: we use negative precision numbers, meaning | |
246 | // the area of the pads will be *increased* by these small numbers | |
247 | // prior to check the overlap by the AreOverlapping method, | |
248 | // so pads touching only by the corners will be considered as | |
249 | // overlapping. | |
250 | if ( AliMUONPad::AreOverlapping(*p1,*p2,precisionAdjustment) ) | |
251 | { | |
252 | return kTRUE; | |
253 | } | |
254 | } | |
255 | } | |
256 | return kFALSE; | |
99ccb7f7 | 257 | } |
258 | ||
259 | //_____________________________________________________________________________ | |
260 | AliMpArea | |
261 | AliMUONCluster::Area() const | |
262 | { | |
263 | /// Return the geometrical area covered by this cluster | |
264 | ||
265 | // Start by finding the (x,y) limits of this cluster | |
266 | TVector2 lowerLeft(1E9,1E9); | |
267 | TVector2 upperRight(-1E9,-1E9); | |
268 | ||
269 | for ( Int_t i = 0; i < Multiplicity(); ++i ) | |
270 | { | |
271 | AliMUONPad* pad = Pad(i); | |
272 | TVector2 ll = pad->Position() - pad->Dimensions(); | |
273 | TVector2 ur = pad->Position() + pad->Dimensions(); | |
274 | lowerLeft.Set( TMath::Min(ll.X(),lowerLeft.X()), | |
275 | TMath::Min(ll.Y(),lowerLeft.Y()) ); | |
276 | upperRight.Set( TMath::Max(ur.X(),upperRight.X()), | |
277 | TMath::Max(ur.Y(),upperRight.Y()) ); | |
278 | } | |
279 | ||
280 | // then construct the area from those limits | |
6e97fbb8 | 281 | return AliMpArea((lowerLeft+upperRight).X()/2,(lowerLeft+upperRight).Y()/2, |
282 | (upperRight-lowerLeft).X()/2, (upperRight-lowerLeft).Y()/2); | |
99ccb7f7 | 283 | } |
284 | ||
00de388f | 285 | //_____________________________________________________________________________ |
286 | AliMpArea | |
287 | AliMUONCluster::Area(Int_t cathode) const | |
288 | { | |
289 | /// Return the geometrical area covered by this cluster's pads on | |
290 | /// a given cathode | |
291 | ||
292 | // Start by finding the (x,y) limits of this cluster | |
293 | TVector2 lowerLeft(1E9,1E9); | |
294 | TVector2 upperRight(-1E9,-1E9); | |
295 | ||
cd1f0e79 | 296 | for ( Int_t i = 0; i < Multiplicity(); ++i ) |
00de388f | 297 | { |
298 | AliMUONPad* pad = Pad(i); | |
cd1f0e79 | 299 | if ( pad->Cathode() == cathode ) |
300 | { | |
301 | TVector2 ll = pad->Position() - pad->Dimensions(); | |
302 | TVector2 ur = pad->Position() + pad->Dimensions(); | |
303 | lowerLeft.Set( TMath::Min(ll.X(),lowerLeft.X()), | |
304 | TMath::Min(ll.Y(),lowerLeft.Y()) ); | |
305 | upperRight.Set( TMath::Max(ur.X(),upperRight.X()), | |
306 | TMath::Max(ur.Y(),upperRight.Y()) ); | |
307 | } | |
00de388f | 308 | } |
309 | ||
310 | // then construct the area from those limits | |
6e97fbb8 | 311 | return AliMpArea((lowerLeft+upperRight).X()/2,(lowerLeft+upperRight).Y()/2, |
312 | (upperRight-lowerLeft).X()/2, (upperRight-lowerLeft).Y()/2); | |
00de388f | 313 | } |
314 | ||
315 | //_____________________________________________________________________________ | |
316 | Int_t | |
317 | AliMUONCluster::Cathode() const | |
318 | { | |
319 | /// Return the cathode "number" of this cluster : | |
320 | /// 0 if all its pads are on cathode 0 | |
321 | /// 1 if all its pads are on cathode 1 | |
322 | /// 2 if some pads on cath 0 and some on cath 1 | |
323 | ||
324 | Int_t cathode(-1); | |
325 | if (Multiplicity(0)>0 && Multiplicity(1)>0) | |
326 | { | |
327 | cathode=2; | |
328 | } | |
329 | else if (Multiplicity(0)>0) | |
330 | { | |
331 | cathode=0; | |
332 | } | |
333 | else if (Multiplicity(1)>0) | |
334 | { | |
335 | cathode=1; | |
336 | } | |
337 | ||
338 | return cathode; | |
339 | } | |
340 | ||
99ccb7f7 | 341 | //_____________________________________________________________________________ |
342 | void | |
343 | AliMUONCluster::Copy(TObject& obj) const | |
344 | { | |
71a2d3aa | 345 | /// |
346 | /// Copy this cluster to (cluster&)obj | |
347 | /// | |
99ccb7f7 | 348 | TObject::Copy(obj); |
349 | AliMUONCluster& dest = static_cast<AliMUONCluster&>(obj); | |
57f3728e | 350 | |
351 | // dest.fPads.Delete(); | |
352 | dest.fPads.Clear(); | |
353 | ||
354 | for ( Int_t i = 0; i <= fPads.GetLast(); ++i ) | |
355 | { | |
356 | AliMUONPad* p = static_cast<AliMUONPad*>(fPads.UncheckedAt(i)); | |
357 | dest.fPads.AddLast(new AliMUONPad(*p)); | |
358 | } | |
99ccb7f7 | 359 | dest.fHasPosition = fHasPosition; |
360 | dest.fPosition = fPosition; | |
361 | dest.fPositionError = fPositionError; | |
362 | dest.fHasCharge = fHasCharge; | |
99ccb7f7 | 363 | dest.fChi2 = fChi2; |
364 | for ( Int_t i = 0; i < 2; ++i ) | |
365 | { | |
366 | dest.fRawCharge[i] = fRawCharge[i]; | |
367 | dest.fCharge[i] = fCharge[i]; | |
368 | dest.fMultiplicity[i] = fMultiplicity[i]; | |
369 | dest.fIsSaturated[i] = fIsSaturated[i]; | |
370 | } | |
371 | } | |
372 | ||
373 | //_____________________________________________________________________________ | |
374 | Float_t | |
375 | AliMUONCluster::Charge() const | |
376 | { | |
377 | /// Return the average charge over both cathodes | |
530acd78 | 378 | |
379 | if ( Multiplicity(0) && Multiplicity(1) ) | |
380 | { | |
381 | return (Charge(0)+Charge(1))/2.0; | |
382 | } | |
383 | else if ( Multiplicity(0) ) | |
384 | { | |
385 | return Charge(0); | |
386 | } | |
387 | else if ( Multiplicity(1) ) | |
388 | { | |
389 | return Charge(1); | |
390 | } | |
391 | AliError("Should not be here ?!"); | |
392 | return -1.0; | |
99ccb7f7 | 393 | } |
394 | ||
395 | //_____________________________________________________________________________ | |
396 | Float_t | |
397 | AliMUONCluster::Charge(Int_t cathode) const | |
398 | { | |
399 | /// Returns the charge of a given cathode | |
400 | if ( !fHasCharge ) return RawCharge(cathode); | |
401 | ||
402 | if ( cathode == 0 || cathode == 1 ) | |
403 | { | |
404 | return fCharge[cathode]; | |
405 | } | |
406 | return 0; | |
407 | } | |
408 | ||
409 | //_____________________________________________________________________________ | |
410 | Float_t | |
411 | AliMUONCluster::ChargeAsymmetry() const | |
412 | { | |
413 | /// Returns the charge asymmetry | |
414 | if ( Charge() > 0 ) | |
415 | { | |
416 | return TMath::Abs(Charge(0)-Charge(1))/Charge(); | |
417 | } | |
418 | return 0; | |
419 | } | |
420 | ||
00de388f | 421 | //_____________________________________________________________________________ |
422 | TVector2 | |
423 | AliMUONCluster::MaxPadDimensions(Int_t statusMask, Bool_t matchMask) const | |
424 | { | |
425 | /// Returns the maximum pad dimensions (half sizes), only considering | |
426 | /// pads matching (or not, depending matchMask) a given mask | |
427 | ||
428 | TVector2 cath0(MaxPadDimensions(0,statusMask,matchMask)); | |
429 | TVector2 cath1(MaxPadDimensions(1,statusMask,matchMask)); | |
430 | ||
431 | return TVector2( TMath::Max(cath0.X(),cath1.X()), | |
432 | TMath::Max(cath0.Y(),cath1.Y()) ); | |
433 | } | |
434 | ||
435 | //_____________________________________________________________________________ | |
436 | TVector2 | |
437 | AliMUONCluster::MaxPadDimensions(Int_t cathode, | |
438 | Int_t statusMask, Bool_t matchMask) const | |
439 | { | |
440 | /// Returns the maximum pad dimensions (half sizes), only considering | |
441 | /// pads matching (or not, depending matchMask) a given mask, within a | |
442 | /// given cathode | |
443 | ||
444 | Double_t xmax(0); | |
445 | Double_t ymax(0); | |
446 | ||
447 | for ( Int_t i = 0; i < Multiplicity(); ++i ) | |
448 | { | |
449 | AliMUONPad* pad = Pad(i); | |
450 | if ( ShouldUsePad(*pad,cathode,statusMask,matchMask) ) | |
451 | { | |
452 | xmax = TMath::Max(xmax,pad->DX()); | |
453 | ymax = TMath::Max(ymax,pad->DY()); | |
454 | } | |
455 | } | |
456 | return TVector2(xmax,ymax); | |
457 | } | |
458 | ||
99ccb7f7 | 459 | //_____________________________________________________________________________ |
460 | TVector2 | |
461 | AliMUONCluster::MinPadDimensions(Int_t statusMask, Bool_t matchMask) const | |
462 | { | |
463 | /// Returns the minimum pad dimensions (half sizes), only considering | |
464 | /// pads matching (or not, depending matchMask) a given mask | |
465 | ||
466 | TVector2 cath0(MinPadDimensions(0,statusMask,matchMask)); | |
467 | TVector2 cath1(MinPadDimensions(1,statusMask,matchMask)); | |
468 | ||
469 | return TVector2( TMath::Min(cath0.X(),cath1.X()), | |
470 | TMath::Min(cath0.Y(),cath1.Y()) ); | |
471 | } | |
472 | ||
473 | //_____________________________________________________________________________ | |
474 | TVector2 | |
475 | AliMUONCluster::MinPadDimensions(Int_t cathode, | |
476 | Int_t statusMask, Bool_t matchMask) const | |
477 | { | |
478 | /// Returns the minimum pad dimensions (half sizes), only considering | |
479 | /// pads matching (or not, depending matchMask) a given mask, within a | |
480 | /// given cathode | |
481 | ||
482 | Double_t xmin(1E9); | |
483 | Double_t ymin(1E9); | |
484 | ||
485 | for ( Int_t i = 0; i < Multiplicity(); ++i ) | |
486 | { | |
487 | AliMUONPad* pad = Pad(i); | |
488 | if ( ShouldUsePad(*pad,cathode,statusMask,matchMask) ) | |
489 | { | |
490 | xmin = TMath::Min(xmin,pad->DX()); | |
491 | ymin = TMath::Min(ymin,pad->DY()); | |
492 | } | |
493 | } | |
494 | return TVector2(xmin,ymin); | |
495 | } | |
496 | ||
497 | //_____________________________________________________________________________ | |
498 | Int_t | |
499 | AliMUONCluster::Multiplicity() const | |
500 | { | |
501 | /// Returns the total number of pads in this cluster | |
502 | return Multiplicity(0)+Multiplicity(1); | |
503 | } | |
504 | ||
505 | //_____________________________________________________________________________ | |
506 | Int_t | |
507 | AliMUONCluster::Multiplicity(Int_t cathode) const | |
508 | { | |
509 | /// Returns the number of pads in this cluster, in the given cathode | |
510 | if ( cathode == 0 || cathode == 1 ) | |
511 | { | |
512 | return fMultiplicity[cathode]; | |
513 | } | |
514 | return 0; | |
515 | } | |
516 | ||
517 | //_____________________________________________________________________________ | |
168e9c4d | 518 | Long_t |
99ccb7f7 | 519 | AliMUONCluster::NofPads(Int_t statusMask, Bool_t matchMask) const |
520 | { | |
521 | /// Number of pads satisfying (or not, depending matchMask) a | |
168e9c4d | 522 | /// given mask |
99ccb7f7 | 523 | |
524 | Int_t nx, ny; | |
525 | ||
526 | TVector2 dim0(MinPadDimensions(0,statusMask,matchMask)); | |
527 | TVector2 dim1(MinPadDimensions(1,statusMask,matchMask)); | |
528 | ||
168e9c4d | 529 | Long_t npad0(NofPads(0,statusMask,matchMask)); |
530 | Long_t npad1(NofPads(1,statusMask,matchMask)); | |
99ccb7f7 | 531 | |
532 | if ( TMath::Abs( (dim0-dim1).X() ) < 1E-3 ) | |
533 | { | |
168e9c4d | 534 | nx = TMath::Max( AliMp::PairFirst(npad0), AliMp::PairFirst(npad1) ); |
99ccb7f7 | 535 | } |
536 | else | |
537 | { | |
168e9c4d | 538 | nx = dim0.X() < dim1.X() ? AliMp::PairFirst(npad0) : AliMp::PairFirst(npad1); |
99ccb7f7 | 539 | } |
540 | ||
541 | if ( TMath::Abs( (dim0-dim1).Y() ) < 1E-3 ) | |
542 | { | |
168e9c4d | 543 | ny = TMath::Max( AliMp::PairSecond(npad0), AliMp::PairSecond(npad1) ); |
99ccb7f7 | 544 | } |
545 | else | |
546 | { | |
168e9c4d | 547 | ny = dim0.Y() < dim1.Y() ? AliMp::PairSecond(npad0) : AliMp::PairSecond(npad1); |
99ccb7f7 | 548 | } |
549 | ||
168e9c4d | 550 | return AliMp::Pair(nx,ny); |
99ccb7f7 | 551 | } |
552 | ||
553 | //_____________________________________________________________________________ | |
168e9c4d | 554 | Long_t |
99ccb7f7 | 555 | AliMUONCluster::NofPads(Int_t cathode, |
556 | Int_t statusMask, Bool_t matchMask) const | |
557 | { | |
558 | /// Number of pads of a given cathode, satisfying (or not, | |
559 | /// depending matchMask) a given mask | |
560 | ||
561 | Int_t n = Multiplicity(cathode); | |
562 | if (!n) | |
563 | { | |
168e9c4d | 564 | return 0; |
99ccb7f7 | 565 | } |
566 | Double_t* x = new Double_t[n]; | |
567 | Double_t* y = new Double_t[n]; | |
568 | Int_t np(0); | |
569 | ||
570 | for ( Int_t i = 0; i < Multiplicity(); ++i ) | |
571 | { | |
572 | AliMUONPad* pad = Pad(i); | |
573 | if ( ShouldUsePad(*pad,cathode,statusMask,matchMask) ) | |
574 | { | |
575 | x[np] = pad->X(); | |
576 | y[np] = pad->Y(); | |
577 | ++np; | |
578 | } | |
579 | } | |
580 | ||
581 | Int_t cx = Unique(np,x,0.01); | |
582 | Int_t cy = Unique(np,y,0.01); | |
583 | ||
584 | delete[] x; | |
585 | delete[] y; | |
586 | ||
168e9c4d | 587 | return AliMp::Pair(cx,cy); |
99ccb7f7 | 588 | } |
589 | ||
590 | //_____________________________________________________________________________ | |
591 | AliMUONPad* | |
592 | AliMUONCluster::Pad(Int_t index) const | |
593 | { | |
594 | /// Returns the index-th pad | |
595 | ||
e0de1dd9 | 596 | if (fPads.IsEmpty()) return 0x0; |
597 | if ( index < fPads.GetLast()+1 ) | |
99ccb7f7 | 598 | { |
e0de1dd9 | 599 | return static_cast<AliMUONPad*>(fPads.At(index)); |
99ccb7f7 | 600 | } |
601 | else | |
602 | { | |
00de388f | 603 | AliError(Form("Requested index %d out of bounds (%d) Mult is %d",index, |
e0de1dd9 | 604 | fPads.GetLast(),Multiplicity())); |
00de388f | 605 | DumpMe(); |
99ccb7f7 | 606 | } |
607 | return 0x0; | |
608 | } | |
609 | ||
610 | ||
611 | //_____________________________________________________________________________ | |
612 | void | |
613 | AliMUONCluster::Paint(Option_t*) | |
614 | { | |
615 | /// Paint this cluster | |
616 | if (!Multiplicity()) return; | |
617 | ||
618 | AliMpArea area(Area()); | |
619 | ||
620 | gPad->Range(area.LeftBorder(),area.DownBorder(),area.RightBorder(),area.UpBorder()); | |
621 | ||
622 | gVirtualX->SetFillStyle(0); | |
623 | ||
624 | gVirtualX->SetLineColor(2); | |
625 | gVirtualX->SetLineWidth(4); | |
626 | for ( Int_t i = 0; i < Multiplicity(); ++i) | |
627 | { | |
628 | AliMUONPad* pad = Pad(i); | |
629 | if ( pad->Cathode() == 0 ) pad->Paint(); | |
630 | } | |
631 | ||
632 | gVirtualX->SetLineColor(4); | |
633 | gVirtualX->SetLineWidth(2); | |
634 | for ( Int_t i = 0; i < Multiplicity(); ++i) | |
635 | { | |
636 | AliMUONPad* pad = Pad(i); | |
637 | if ( pad->Cathode() == 1 ) pad->Paint(); | |
638 | } | |
639 | ||
640 | } | |
641 | ||
00de388f | 642 | //_____________________________________________________________________________ |
643 | void | |
644 | AliMUONCluster::DumpMe() const | |
645 | { | |
646 | /// printout | |
647 | cout << "Cluster Id " << GetUniqueID() << " npads=" << Multiplicity() | |
648 | << "(" << Multiplicity(0) << "," << Multiplicity(1) << ") RawCharge=" | |
649 | << RawCharge() << " (" << RawCharge(0) << "," << RawCharge(1) | |
650 | << ") Charge=(" << Charge(0) << "," << Charge(1) <<")"; | |
651 | if ( HasPosition() ) | |
652 | { | |
653 | cout << " (x,y)=(" << Position().X() << "," << Position().Y() << ")"; | |
654 | cout << " (errX,errY)=(" << PositionError().X() << "," << PositionError().Y() << ")"; | |
655 | } | |
656 | cout << endl; | |
657 | // cout << " " << Area() << endl; | |
e0de1dd9 | 658 | for (Int_t i = 0; i < fPads.GetSize(); ++i) |
00de388f | 659 | { |
e0de1dd9 | 660 | cout << Form("fPads[%d]=%x",i,fPads.At(i)) << endl; |
661 | if ( fPads.At(i) ) fPads.At(i)->Print(); | |
662 | } | |
00de388f | 663 | } |
664 | ||
665 | ||
99ccb7f7 | 666 | //_____________________________________________________________________________ |
667 | void | |
668 | AliMUONCluster::Print(Option_t* opt) const | |
669 | { | |
670 | /// printout | |
671 | cout << "Cluster Id " << GetUniqueID() << " npads=" << Multiplicity() | |
672 | << "(" << Multiplicity(0) << "," << Multiplicity(1) << ") RawCharge=" | |
673 | << RawCharge() << " (" << RawCharge(0) << "," << RawCharge(1) | |
97d5019e | 674 | << ") Charge=(" << Charge(0) << "," << Charge(1) <<")"; |
99ccb7f7 | 675 | if ( HasPosition() ) |
676 | { | |
677 | cout << " (x,y)=(" << Position().X() << "," << Position().Y() << ")"; | |
678 | cout << " (errX,errY)=(" << PositionError().X() << "," << PositionError().Y() << ")"; | |
679 | } | |
00de388f | 680 | cout << " " << Area(); |
e0de1dd9 | 681 | |
682 | TObjArray* a = static_cast<TObjArray*>(fPads.Clone()); | |
683 | a->Sort(); | |
684 | a->Print("",opt); | |
685 | delete a; | |
99ccb7f7 | 686 | } |
687 | ||
688 | //_____________________________________________________________________________ | |
00de388f | 689 | //Bool_t |
690 | //AliMUONCluster::IsEqual(const TObject* obj) const | |
691 | //{ | |
692 | // const AliMUONCluster* c = static_cast<const AliMUONCluster*>(obj); | |
693 | // if ( c->Multiplicity() != Multiplicity() ) return kFALSE; | |
694 | // | |
695 | // for ( Int_t i = 0; i < c->Multiplicity(); ++i ) | |
696 | // { | |
697 | // AliMUONPad* p = c->Pad(i); | |
698 | // if ( p->Compare(Pad(i)) ) return kFALSE; | |
699 | // } | |
700 | // return kTRUE; | |
701 | //} | |
702 | ||
703 | //_____________________________________________________________________________ | |
704 | Int_t | |
705 | AliMUONCluster::Compare(const TObject* obj) const | |
99ccb7f7 | 706 | { |
00de388f | 707 | /// Compare two clusters. Comparison is made on position and rawcharge only. |
708 | ||
709 | const AliMUONCluster* cluster = static_cast<const AliMUONCluster*>(obj); | |
710 | ||
711 | AliMpArea carea(cluster->Area()); | |
712 | AliMpArea area(Area()); | |
713 | ||
6e97fbb8 | 714 | if ( carea.GetPositionX() > area.GetPositionX() ) |
00de388f | 715 | { |
716 | return 1; | |
717 | } | |
6e97fbb8 | 718 | else if ( carea.GetPositionX() < area.GetPositionX() ) |
00de388f | 719 | { |
720 | return -1; | |
721 | } | |
722 | else | |
723 | { | |
6e97fbb8 | 724 | if ( carea.GetPositionY() > area.GetPositionY() ) |
00de388f | 725 | { |
726 | return 1; | |
727 | } | |
6e97fbb8 | 728 | else if ( carea.GetPositionY() < area.GetPositionY() ) |
00de388f | 729 | { |
730 | return -1; | |
731 | } | |
732 | else | |
733 | { | |
734 | if ( cluster->RawCharge() > RawCharge() ) | |
735 | { | |
736 | return 1; | |
737 | } | |
738 | else if ( cluster->RawCharge() < RawCharge() ) | |
739 | { | |
740 | return -1; | |
741 | } | |
742 | } | |
743 | } | |
744 | return 0; | |
99ccb7f7 | 745 | } |
746 | ||
747 | //_____________________________________________________________________________ | |
748 | void | |
749 | AliMUONCluster::RemovePad(AliMUONPad* pad) | |
750 | { | |
751 | /// Remove a pad. | |
752 | /// As a consequence, some internal information must be updated | |
753 | ||
e0de1dd9 | 754 | fPads.Remove(pad); |
755 | fPads.Compress(); | |
57f3728e | 756 | delete pad; |
99ccb7f7 | 757 | // update cluster's data |
758 | fIsSaturated[0]=fIsSaturated[1]=kFALSE; | |
759 | fMultiplicity[0]=fMultiplicity[1]=0; | |
760 | fRawCharge[0]=fRawCharge[1]=0; | |
e0de1dd9 | 761 | for ( Int_t i = 0; i <= fPads.GetLast(); ++i ) |
99ccb7f7 | 762 | { |
763 | AliMUONPad* p = Pad(i); | |
764 | if ( p->IsSaturated() ) | |
765 | { | |
766 | fIsSaturated[p->Cathode()] = kTRUE; | |
767 | } | |
768 | ++fMultiplicity[p->Cathode()]; | |
769 | fRawCharge[p->Cathode()] += p->Charge(); | |
770 | } | |
99ccb7f7 | 771 | } |
772 | ||
773 | //_____________________________________________________________________________ | |
774 | Float_t | |
775 | AliMUONCluster::RawCharge() const | |
776 | { | |
777 | /// Returns the raw average charge | |
778 | return (RawCharge(0)+RawCharge(1))/2.0; | |
779 | } | |
780 | ||
781 | //_____________________________________________________________________________ | |
782 | Float_t | |
783 | AliMUONCluster::RawCharge(Int_t cathode) const | |
784 | { | |
785 | /// Returns the average charge of a given cathode | |
786 | if ( cathode == 0 || cathode == 1 ) | |
787 | { | |
788 | return fRawCharge[cathode]; | |
789 | } | |
790 | return 0; | |
791 | } | |
792 | ||
793 | //_____________________________________________________________________________ | |
794 | Float_t | |
795 | AliMUONCluster::RawChargeAsymmetry() const | |
796 | { | |
797 | /// Returns the raw charge asymmetry | |
798 | if ( RawCharge() > 0 ) | |
799 | { | |
800 | return TMath::Abs(RawCharge(0)-RawCharge(1))/RawCharge(); | |
801 | } | |
802 | return 0; | |
803 | } |