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[u/mrichter/AliRoot.git] / EMCAL / AliEMCALTowerRecPoint.cxx
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ab48128d 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//_________________________________________________________________________
19// RecPoint implementation for EMCAL-EMC
20// An TowerRecPoint is a cluster of digits
21//*--
22//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
23
24
25// --- ROOT system ---
26#include "TPad.h"
27#include "TH2.h"
28#include "TMath.h"
29#include "TCanvas.h"
30
31// --- Standard library ---
32
ab48128d 33// --- AliRoot header files ---
34
35 #include "AliGenerator.h"
36#include "AliEMCALGeometry.h"
37#include "AliEMCALTowerRecPoint.h"
38#include "AliRun.h"
39#include "AliEMCALGetter.h"
40
41ClassImp(AliEMCALTowerRecPoint)
42
43//____________________________________________________________________________
44AliEMCALTowerRecPoint::AliEMCALTowerRecPoint() : AliEMCALRecPoint()
45{
46 // ctor
47
48 fMulDigit = 0 ;
49 fAmp = 0. ;
50 fCoreEnergy = 0 ;
51 fEnergyList = 0 ;
692088ae 52 fTime = 0. ;
53 fLocPos.SetX(0.) ; //Local position should be evaluated
ab48128d 54
55}
56
57//____________________________________________________________________________
58AliEMCALTowerRecPoint::AliEMCALTowerRecPoint(const char * opt) : AliEMCALRecPoint(opt)
59{
60 // ctor
61
62 fMulDigit = 0 ;
63 fAmp = 0. ;
64 fCoreEnergy = 0 ;
65 fEnergyList = 0 ;
66 fTime = -1. ;
67 fLocPos.SetX(1000000.) ; //Local position should be evaluated
68
69}
70
71//____________________________________________________________________________
72AliEMCALTowerRecPoint::~AliEMCALTowerRecPoint()
73{
74 // dtor
75
76 if ( fEnergyList )
77 delete[] fEnergyList ;
78}
79
80//____________________________________________________________________________
81void AliEMCALTowerRecPoint::AddDigit(AliEMCALDigit & digit, Float_t Energy)
82{
83 // Adds a digit to the RecPoint
84 // and accumulates the total amplitude and the multiplicity
85
86 if(fEnergyList == 0)
87 fEnergyList = new Float_t[fMaxDigit];
88
89 if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
90 fMaxDigit*=2 ;
91 Int_t * tempo = new ( Int_t[fMaxDigit] ) ;
92 Float_t * tempoE = new ( Float_t[fMaxDigit] ) ;
93
94 Int_t index ;
95 for ( index = 0 ; index < fMulDigit ; index++ ){
96 tempo[index] = fDigitsList[index] ;
97 tempoE[index] = fEnergyList[index] ;
98 }
99
100 delete [] fDigitsList ;
101 fDigitsList = new ( Int_t[fMaxDigit] ) ;
102
103 delete [] fEnergyList ;
104 fEnergyList = new ( Float_t[fMaxDigit] ) ;
105
106 for ( index = 0 ; index < fMulDigit ; index++ ){
107 fDigitsList[index] = tempo[index] ;
108 fEnergyList[index] = tempoE[index] ;
109 }
110
111 delete [] tempo ;
112 delete [] tempoE ;
113 } // if
114
115 fDigitsList[fMulDigit] = digit.GetIndexInList() ;
116 fEnergyList[fMulDigit] = Energy ;
117 fMulDigit++ ;
118 fAmp += Energy ;
119
120 // EvalEMCALMod(&digit) ;
121}
122
123//____________________________________________________________________________
124Bool_t AliEMCALTowerRecPoint::AreNeighbours(AliEMCALDigit * digit1, AliEMCALDigit * digit2 ) const
125{
126 // Tells if (true) or not (false) two digits are neighbors
127
128 Bool_t aren = kFALSE ;
129
130 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
131 AliEMCALGeometry * phosgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
132
133 Int_t relid1[4] ;
134 phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ;
135
136 Int_t relid2[4] ;
137 phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ;
138
139 Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ;
140 Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ;
141
142 if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
143 aren = kTRUE ;
144
145 return aren ;
146}
147
148//____________________________________________________________________________
149Int_t AliEMCALTowerRecPoint::Compare(const TObject * obj) const
150{
151 // Compares two RecPoints according to their position in the EMCAL modules
152
153 Float_t delta = 1 ; //Width of "Sorting row". If you changibg this
154 //value (what is senseless) change as vell delta in
155 //AliEMCALTrackSegmentMakerv* and other RecPoints...
156 Int_t rv ;
157
158 AliEMCALTowerRecPoint * clu = (AliEMCALTowerRecPoint *)obj ;
159
160
161 Int_t phosmod1 = GetEMCALArm() ;
162 Int_t phosmod2 = clu->GetEMCALArm() ;
163
164 TVector3 locpos1;
165 GetLocalPosition(locpos1) ;
166 TVector3 locpos2;
167 clu->GetLocalPosition(locpos2) ;
168
169 if(phosmod1 == phosmod2 ) {
170 Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ;
171 if (rowdif> 0)
172 rv = 1 ;
173 else if(rowdif < 0)
174 rv = -1 ;
175 else if(locpos1.Z()>locpos2.Z())
176 rv = -1 ;
177 else
178 rv = 1 ;
179 }
180
181 else {
182 if(phosmod1 < phosmod2 )
183 rv = -1 ;
184 else
185 rv = 1 ;
186 }
187
188 return rv ;
189}
190//______________________________________________________________________________
191void AliEMCALTowerRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) const
192{
193
194 // Execute action corresponding to one event
195 // This member function is called when a AliEMCALRecPoint is clicked with the locator
196 //
197 // If Left button is clicked on AliEMCALRecPoint, the digits are switched on
198 // and switched off when the mouse button is released.
199
200
201 // AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
202// if(!gime) return ;
203// AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
204
205// static TGraph * digitgraph = 0 ;
206
207// if (!gPad->IsEditable()) return;
208
209// TH2F * histo = 0 ;
210// TCanvas * histocanvas ;
211
212// const TClonesArray * digits = gime->Digits() ;
213
214// switch (event) {
215
216// case kButton1Down: {
217// AliEMCALDigit * digit ;
218// Int_t iDigit;
219// Int_t relid[4] ;
220
221// const Int_t kMulDigit = AliEMCALTowerRecPoint::GetDigitsMultiplicity() ;
222// Float_t * xi = new Float_t[kMulDigit] ;
223// Float_t * zi = new Float_t[kMulDigit] ;
224
225// // create the histogram for the single cluster
226// // 1. gets histogram boundaries
227// Float_t ximax = -999. ;
228// Float_t zimax = -999. ;
229// Float_t ximin = 999. ;
230// Float_t zimin = 999. ;
231
232// for(iDigit=0; iDigit<kMulDigit; iDigit++) {
233// digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
234// emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
235// emcalgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]);
236// if ( xi[iDigit] > ximax )
237// ximax = xi[iDigit] ;
238// if ( xi[iDigit] < ximin )
239// ximin = xi[iDigit] ;
240// if ( zi[iDigit] > zimax )
241// zimax = zi[iDigit] ;
242// if ( zi[iDigit] < zimin )
243// zimin = zi[iDigit] ;
244// }
245// ximax += emcalgeom->GetCrystalSize(0) / 2. ;
246// zimax += emcalgeom->GetCrystalSize(2) / 2. ;
247// ximin -= emcalgeom->GetCrystalSize(0) / 2. ;
248// zimin -= emcalgeom->GetCrystalSize(2) / 2. ;
249// Int_t xdim = (int)( (ximax - ximin ) / emcalgeom->GetCrystalSize(0) + 0.5 ) ;
250// Int_t zdim = (int)( (zimax - zimin ) / emcalgeom->GetCrystalSize(2) + 0.5 ) ;
251
252// // 2. gets the histogram title
253
254// Text_t title[100] ;
255// sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ;
256
257// if (!histo) {
258// delete histo ;
259// histo = 0 ;
260// }
261// histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ;
262
263// Float_t x, z ;
264// for(iDigit=0; iDigit<kMulDigit; iDigit++) {
265// digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
266// emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
267// emcalgeom->RelPosInModule(relid, x, z);
268// histo->Fill(x, z, fEnergyList[iDigit] ) ;
269// }
270
271// if (!digitgraph) {
272// digitgraph = new TGraph(kMulDigit,xi,zi);
273// digitgraph-> SetMarkerStyle(5) ;
274// digitgraph-> SetMarkerSize(1.) ;
275// digitgraph-> SetMarkerColor(1) ;
276// digitgraph-> Paint("P") ;
277// }
278
279// // Print() ;
280// histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ;
281// histocanvas->Draw() ;
282// histo->Draw("lego1") ;
283
284// delete[] xi ;
285// delete[] zi ;
286
287// break;
288// }
289
290// case kButton1Up:
291// if (digitgraph) {
292// delete digitgraph ;
293// digitgraph = 0 ;
294// }
295// break;
296
297// }
298}
299
300//____________________________________________________________________________
301void AliEMCALTowerRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits)
302{
303 // Calculates the dispersion of the shower at the origine of the RecPoint
304
305 Float_t d = 0. ;
306 Float_t wtot = 0. ;
307
308 AliEMCALDigit * digit ;
309
310 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
311 AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
312
313
314 // Calculates the center of gravity in the local EMCAL-module coordinates
315
316 Int_t iDigit;
317 Int_t relid[4] ;
318
319 if (!fTheta || !fPhi ) {
320 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
321 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
322
323 Float_t thetai ;
324 Float_t phii ;
325 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
326 emcalgeom->PosInAlice(relid, thetai, phii);
327 Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
328 fTheta = fTheta + thetai * w ;
329 fPhi += (phii * w );
330 wtot += w ;
331 }
332
e7f14e3c 333 if (wtot > 0 ) {
334 fTheta /= wtot ;
335 fPhi /= wtot ;
336 } else {
337 fTheta = -1. ;
338 fPhi = -1. ;
339 }
340
ab48128d 341 }
342
343 const Float_t kDeg2Rad = TMath::Pi() / static_cast<Double_t>(180) ;
344
345 Float_t cyl_radius = emcalgeom->GetIPDistance()+emcalgeom->GetAirGap() ;
346 Float_t x = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
63d0782c 347 Float_t y = cyl_radius * TMath::Sin(fPhi * kDeg2Rad ) ;
91ca893f 348 Float_t z = cyl_radius / TMath::Tan(fTheta * kDeg2Rad ) ;
ab48128d 349
350// Calculates the dispersion in coordinates
351 wtot = 0.;
352 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
353 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
354 Float_t thetai = 0. ;
355 Float_t phii = 0.;
356 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
357 emcalgeom->PosInAlice(relid, thetai, phii);
358 Float_t xi = cyl_radius * TMath::Cos(phii * kDeg2Rad ) ;
359 Float_t yi = cyl_radius * TMath::Sin(phii * kDeg2Rad ) ;
91ca893f 360 Float_t zi = cyl_radius / TMath::Tan(thetai * kDeg2Rad ) ;
ab48128d 361
362 Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
363 d += w*((xi-x)*(xi-x) + (yi-y)*(yi-y)+ (zi-z)*(zi-z) ) ;
364 wtot+=w ;
365 }
366
e7f14e3c 367 if ( wtot > 0 )
368 d /= wtot ;
369 else
370 d = 0. ;
ab48128d 371
372 fDispersion = TMath::Sqrt(d) ;
373
374}
375//______________________________________________________________________________
376void AliEMCALTowerRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
377{
378 // This function calculates energy in the core,
379 // i.e. within a radius rad = 3cm around the center. Beyond this radius
380 // in accordance with shower profile the energy deposition
381 // should be less than 2%
382
383 Float_t coreRadius = 10. ;
384
385 AliEMCALDigit * digit ;
386 Int_t relid[4] ;
387 Float_t wtot = 0. ;
388
389 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
390 AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
391
392 Int_t iDigit;
393
394 if (!fTheta || !fPhi ) {
395 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
396 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
397
398 Float_t thetai ;
399 Float_t phii ;
400 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
401 emcalgeom->PosInAlice(relid, thetai, phii);
402 Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
403 fTheta = fTheta + thetai * w ;
404 fPhi += (phii * w );
405 wtot += w ;
406 }
407
e7f14e3c 408 if (wtot > 0 ) {
409 fTheta /= wtot ;
410 fPhi /= wtot ;
411 } else {
412 fTheta = -1 ;
413 fPhi = -1 ;
414 }
ab48128d 415 }
416
417 const Float_t kDeg2Rad = TMath::Pi() / static_cast<Double_t>(180) ;
418
419 Float_t cyl_radius = emcalgeom->GetIPDistance()+emcalgeom->GetAirGap() ;
420 Float_t x = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
421 Float_t y = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
422 Float_t z = cyl_radius * TMath::Tan(fTheta * kDeg2Rad ) ;
423
424 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
425 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
426 Int_t relid[4] ;
427 Float_t thetai = 0. ;
428 Float_t phii = 0. ;
429 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
430 emcalgeom->PosInAlice(relid, thetai, phii);
431
432 Float_t xi = cyl_radius * TMath::Cos(phii * kDeg2Rad ) ;
433 Float_t yi = cyl_radius * TMath::Sin(phii * kDeg2Rad ) ;
434 Float_t zi = cyl_radius * TMath::Tan(thetai * kDeg2Rad ) ;
435
436 Float_t distance = TMath::Sqrt((xi-x)*(xi-x)+(yi-y)*(yi-y)+(zi-z)*(zi-z)) ;
437 if(distance < coreRadius)
438 fCoreEnergy += fEnergyList[iDigit] ;
439 }
440
441}
442
443//____________________________________________________________________________
444void AliEMCALTowerRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
445{
446 // Calculates the axis of the shower ellipsoid
447
448 Double_t wtot = 0. ;
449 Double_t x = 0.;
450 Double_t z = 0.;
451 Double_t dxx = 0.;
452 Double_t dzz = 0.;
453 Double_t dxz = 0.;
454
455 AliEMCALDigit * digit ;
456
457 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
458 AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
459
460 Int_t iDigit;
461 const Float_t kDeg2Rad = TMath::Pi() / static_cast<Double_t>(180) ;
462
463 Float_t cyl_radius = emcalgeom->GetIPDistance()+emcalgeom->GetAirGap() ;
464
465 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
466 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
467 Int_t relid[4] ;
468 Float_t thetai = 0. ;
469 Float_t phii = 0. ;
470 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
471 emcalgeom->PosInAlice(relid, thetai, phii);
472 Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
473 Float_t xi = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
474 Float_t zi = cyl_radius * TMath::Tan(fTheta * kDeg2Rad ) ;
475 dxx += w * xi * xi ;
476 x += w * xi ;
477 dzz += w * zi * zi ;
478 z += w * zi ;
479 dxz += w * xi * zi ;
480 wtot += w ;
481 }
e7f14e3c 482 if ( wtot > 0 ) {
483 dxx /= wtot ;
484 x /= wtot ;
485 dxx -= x * x ;
486 dzz /= wtot ;
487 z /= wtot ;
488 dzz -= z * z ;
489 dxz /= wtot ;
490 dxz -= x * z ;
491
492
493 // //Apply correction due to non-perpendicular incidence
ab48128d 494// Double_t CosX ;
495// Double_t CosZ ;
496// AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
497// AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
498 // Double_t DistanceToIP= (Double_t ) emcalgeom->GetIPDistance() ;
499
500// CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ;
501// CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ;
502
503// dxx = dxx/(CosX*CosX) ;
504// dzz = dzz/(CosZ*CosZ) ;
505// dxz = dxz/(CosX*CosZ) ;
506
507
e7f14e3c 508 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
509 if(fLambda[0] > 0)
510 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
511
512 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
513 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
514 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
515 else
516 fLambda[1]= 0. ;
517 } else {
518 fLambda[0]= 0. ;
ab48128d 519 fLambda[1]= 0. ;
e7f14e3c 520 }
ab48128d 521}
522
523//____________________________________________________________________________
524void AliEMCALTowerRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits )
525{
526 // Evaluates all shower parameters
527
528 AliEMCALRecPoint::EvalAll(logWeight,digits) ;
529 EvalGlobalPosition(logWeight, digits) ;
530 EvalElipsAxis(logWeight, digits) ;
531 EvalDispersion(logWeight, digits) ;
532 EvalCoreEnergy(logWeight, digits);
533 EvalTime(digits) ;
534}
535
536//____________________________________________________________________________
537void AliEMCALTowerRecPoint::EvalGlobalPosition(Float_t logWeight, TClonesArray * digits)
538{
539 // Calculates the center of gravity in the local EMCAL-module coordinates
540 Float_t wtot = 0. ;
541
542 Int_t relid[4] ;
543
544 AliEMCALDigit * digit ;
545
546 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
547 AliEMCALGeometry * emcalgeom = static_cast<AliEMCALGeometry*>(gime->EMCALGeometry());
548 Int_t iDigit;
549
550 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
551 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
552
553 Float_t thetai ;
554 Float_t phii ;
555 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
556 emcalgeom->PosInAlice(relid, thetai, phii);
557 Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
558 fTheta = fTheta + thetai * w ;
559 fPhi += (phii * w );
560 wtot += w ;
561 }
562
e7f14e3c 563 if ( wtot > 0 ) {
564 fTheta /= wtot ;
565 fPhi /= wtot ;
566 } else {
567 fTheta = -1 ;
568 fPhi = -1.;
569 }
570
ab48128d 571 fLocPos.SetX(0.) ;
572 fLocPos.SetY(0.) ;
573 fLocPos.SetZ(0.) ;
574
575 fLocPosM = 0 ;
576}
577
578//____________________________________________________________________________
579Float_t AliEMCALTowerRecPoint::GetMaximalEnergy(void) const
580{
581 // Finds the maximum energy in the cluster
582
583 Float_t menergy = 0. ;
584
585 Int_t iDigit;
586
587 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
588
589 if(fEnergyList[iDigit] > menergy)
590 menergy = fEnergyList[iDigit] ;
591 }
592 return menergy ;
593}
594
595//____________________________________________________________________________
596Int_t AliEMCALTowerRecPoint::GetMultiplicityAtLevel(const Float_t H) const
597{
598 // Calculates the multiplicity of digits with energy larger than H*energy
599
600 Int_t multipl = 0 ;
601 Int_t iDigit ;
602 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
603
604 if(fEnergyList[iDigit] > H * fAmp)
605 multipl++ ;
606 }
607 return multipl ;
608}
609
610//____________________________________________________________________________
a0636361 611Int_t AliEMCALTowerRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
ab48128d 612 Float_t locMaxCut,TClonesArray * digits) const
613{
614 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
615 // energy difference between two local maxima
616
617 AliEMCALDigit * digit ;
618 AliEMCALDigit * digitN ;
619
620
621 Int_t iDigitN ;
622 Int_t iDigit ;
623
624 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
a0636361 625 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
ab48128d 626
627
628 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
a0636361 629 if(maxAt[iDigit]) {
630 digit = maxAt[iDigit] ;
ab48128d 631
632 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
633 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
634
635 if ( AreNeighbours(digit, digitN) ) {
636 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
a0636361 637 maxAt[iDigitN] = 0 ;
ab48128d 638 // but may be digit too is not local max ?
639 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
a0636361 640 maxAt[iDigit] = 0 ;
ab48128d 641 }
642 else {
a0636361 643 maxAt[iDigit] = 0 ;
ab48128d 644 // but may be digitN too is not local max ?
645 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
a0636361 646 maxAt[iDigitN] = 0 ;
ab48128d 647 }
648 } // if Areneighbours
649 } // while digitN
650 } // slot not empty
651 } // while digit
652
653 iDigitN = 0 ;
654 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
a0636361 655 if(maxAt[iDigit] ){
ab48128d 656 maxAt[iDigitN] = maxAt[iDigit] ;
657 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
658 iDigitN++ ;
659 }
660 }
661 return iDigitN ;
662}
663//____________________________________________________________________________
664void AliEMCALTowerRecPoint::EvalTime(TClonesArray * digits){
665
666 Float_t maxE = 0;
667 Int_t maxAt = 0;
668 for(Int_t idig=0; idig < fMulDigit; idig++){
669 if(fEnergyList[idig] > maxE){
670 maxE = fEnergyList[idig] ;
671 maxAt = idig;
672 }
673 }
674 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
675
676}
677//____________________________________________________________________________
678void AliEMCALTowerRecPoint::Print(Option_t * option)
679{
680 // Print the list of digits belonging to the cluster
681
9859bfc0 682 TString message("\n") ;
ab48128d 683
684 Int_t iDigit;
9859bfc0 685 message += "digits # = " ;
686 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
687 message += fDigitsList[iDigit] ;
688 message += " " ;
689 }
690
691 message += "\nEnergies = " ;
692 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
693 message += fEnergyList[iDigit] ;
694 message += " " ;
695 }
696
697 message += "\nPrimaries " ;
698 for(iDigit = 0;iDigit < fMulTrack; iDigit++) {
699 message += fTracksList[iDigit] ;
700 message += " " ;
701 }
702 message += "\n Multiplicity = " ;
703 message += fMulDigit ;
704 message += "\n Cluster Energy = " ;
705 message += fAmp ;
706 message += "\n Number of primaries " ;
707 message += fMulTrack ;
708 message += "\n Stored at position " ;
709 message += GetIndexInList() ;
710
711 Info("Print", message.Data() ) ;
ab48128d 712}
713