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corrected a bug in dispersion calculations (replaced Sin by Cos)
[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
63d0782c 304 printf("**************** EVAL Dispersion *****************") ;
ab48128d 305
306 Float_t d = 0. ;
307 Float_t wtot = 0. ;
308
309 AliEMCALDigit * digit ;
310
311 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
312 AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
313
314
315 // Calculates the center of gravity in the local EMCAL-module coordinates
316
317 Int_t iDigit;
318 Int_t relid[4] ;
319
320 if (!fTheta || !fPhi ) {
321 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
322 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
323
324 Float_t thetai ;
325 Float_t phii ;
326 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
327 emcalgeom->PosInAlice(relid, thetai, phii);
328 Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
329 fTheta = fTheta + thetai * w ;
330 fPhi += (phii * w );
331 wtot += w ;
332 }
333
e7f14e3c 334 if (wtot > 0 ) {
335 fTheta /= wtot ;
336 fPhi /= wtot ;
337 } else {
338 fTheta = -1. ;
339 fPhi = -1. ;
340 }
341
ab48128d 342 }
343
344 const Float_t kDeg2Rad = TMath::Pi() / static_cast<Double_t>(180) ;
345
346 Float_t cyl_radius = emcalgeom->GetIPDistance()+emcalgeom->GetAirGap() ;
347 Float_t x = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
63d0782c 348 Float_t y = cyl_radius * TMath::Sin(fPhi * kDeg2Rad ) ;
ab48128d 349 Float_t z = cyl_radius * TMath::Tan(fTheta * kDeg2Rad ) ;
350
351// Calculates the dispersion in coordinates
352 wtot = 0.;
353 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
354 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
355 Float_t thetai = 0. ;
356 Float_t phii = 0.;
357 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
358 emcalgeom->PosInAlice(relid, thetai, phii);
359 Float_t xi = cyl_radius * TMath::Cos(phii * kDeg2Rad ) ;
360 Float_t yi = cyl_radius * TMath::Sin(phii * kDeg2Rad ) ;
361 Float_t zi = cyl_radius * TMath::Tan(thetai * kDeg2Rad ) ;
362
363 Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
364 d += w*((xi-x)*(xi-x) + (yi-y)*(yi-y)+ (zi-z)*(zi-z) ) ;
365 wtot+=w ;
63d0782c 366 printf("xi=%f, x=%f\n yi=%f, y=%f\n zi=%f, z=%f\n phi=%f phii=%f theta=%f thetaii=%f\n\n",xi,x,yi,y,zi,z, fPhi, phii, fTheta, thetai) ;
ab48128d 367 }
368
e7f14e3c 369 if ( wtot > 0 )
370 d /= wtot ;
371 else
372 d = 0. ;
ab48128d 373
374 fDispersion = TMath::Sqrt(d) ;
375
376}
377//______________________________________________________________________________
378void AliEMCALTowerRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
379{
380 // This function calculates energy in the core,
381 // i.e. within a radius rad = 3cm around the center. Beyond this radius
382 // in accordance with shower profile the energy deposition
383 // should be less than 2%
384
385 Float_t coreRadius = 10. ;
386
387 AliEMCALDigit * digit ;
388 Int_t relid[4] ;
389 Float_t wtot = 0. ;
390
391 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
392 AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
393
394 Int_t iDigit;
395
396 if (!fTheta || !fPhi ) {
397 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
398 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
399
400 Float_t thetai ;
401 Float_t phii ;
402 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
403 emcalgeom->PosInAlice(relid, thetai, phii);
404 Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
405 fTheta = fTheta + thetai * w ;
406 fPhi += (phii * w );
407 wtot += w ;
408 }
409
e7f14e3c 410 if (wtot > 0 ) {
411 fTheta /= wtot ;
412 fPhi /= wtot ;
413 } else {
414 fTheta = -1 ;
415 fPhi = -1 ;
416 }
ab48128d 417 }
418
419 const Float_t kDeg2Rad = TMath::Pi() / static_cast<Double_t>(180) ;
420
421 Float_t cyl_radius = emcalgeom->GetIPDistance()+emcalgeom->GetAirGap() ;
422 Float_t x = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
423 Float_t y = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
424 Float_t z = cyl_radius * TMath::Tan(fTheta * kDeg2Rad ) ;
425
426 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
427 digit = (AliEMCALDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
428 Int_t relid[4] ;
429 Float_t thetai = 0. ;
430 Float_t phii = 0. ;
431 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
432 emcalgeom->PosInAlice(relid, thetai, phii);
433
434 Float_t xi = cyl_radius * TMath::Cos(phii * kDeg2Rad ) ;
435 Float_t yi = cyl_radius * TMath::Sin(phii * kDeg2Rad ) ;
436 Float_t zi = cyl_radius * TMath::Tan(thetai * kDeg2Rad ) ;
437
438 Float_t distance = TMath::Sqrt((xi-x)*(xi-x)+(yi-y)*(yi-y)+(zi-z)*(zi-z)) ;
439 if(distance < coreRadius)
440 fCoreEnergy += fEnergyList[iDigit] ;
441 }
442
443}
444
445//____________________________________________________________________________
446void AliEMCALTowerRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
447{
448 // Calculates the axis of the shower ellipsoid
449
450 Double_t wtot = 0. ;
451 Double_t x = 0.;
452 Double_t z = 0.;
453 Double_t dxx = 0.;
454 Double_t dzz = 0.;
455 Double_t dxz = 0.;
456
457 AliEMCALDigit * digit ;
458
459 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
460 AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
461
462 Int_t iDigit;
463 const Float_t kDeg2Rad = TMath::Pi() / static_cast<Double_t>(180) ;
464
465 Float_t cyl_radius = emcalgeom->GetIPDistance()+emcalgeom->GetAirGap() ;
466
467 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
468 digit = (AliEMCALDigit *) digits->At(fDigitsList[iDigit]) ;
469 Int_t relid[4] ;
470 Float_t thetai = 0. ;
471 Float_t phii = 0. ;
472 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
473 emcalgeom->PosInAlice(relid, thetai, phii);
474 Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
475 Float_t xi = cyl_radius * TMath::Cos(fPhi * kDeg2Rad ) ;
476 Float_t zi = cyl_radius * TMath::Tan(fTheta * kDeg2Rad ) ;
477 dxx += w * xi * xi ;
478 x += w * xi ;
479 dzz += w * zi * zi ;
480 z += w * zi ;
481 dxz += w * xi * zi ;
482 wtot += w ;
483 }
e7f14e3c 484 if ( wtot > 0 ) {
485 dxx /= wtot ;
486 x /= wtot ;
487 dxx -= x * x ;
488 dzz /= wtot ;
489 z /= wtot ;
490 dzz -= z * z ;
491 dxz /= wtot ;
492 dxz -= x * z ;
493
494
495 // //Apply correction due to non-perpendicular incidence
ab48128d 496// Double_t CosX ;
497// Double_t CosZ ;
498// AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
499// AliEMCALGeometry * emcalgeom = (AliEMCALGeometry*)gime->EMCALGeometry();
500 // Double_t DistanceToIP= (Double_t ) emcalgeom->GetIPDistance() ;
501
502// CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ;
503// CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ;
504
505// dxx = dxx/(CosX*CosX) ;
506// dzz = dzz/(CosZ*CosZ) ;
507// dxz = dxz/(CosX*CosZ) ;
508
509
e7f14e3c 510 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
511 if(fLambda[0] > 0)
512 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
513
514 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
515 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
516 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
517 else
518 fLambda[1]= 0. ;
519 } else {
520 fLambda[0]= 0. ;
ab48128d 521 fLambda[1]= 0. ;
e7f14e3c 522 }
ab48128d 523}
524
525//____________________________________________________________________________
526void AliEMCALTowerRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits )
527{
528 // Evaluates all shower parameters
529
530 AliEMCALRecPoint::EvalAll(logWeight,digits) ;
531 EvalGlobalPosition(logWeight, digits) ;
532 EvalElipsAxis(logWeight, digits) ;
533 EvalDispersion(logWeight, digits) ;
534 EvalCoreEnergy(logWeight, digits);
535 EvalTime(digits) ;
536}
537
538//____________________________________________________________________________
539void AliEMCALTowerRecPoint::EvalGlobalPosition(Float_t logWeight, TClonesArray * digits)
540{
541 // Calculates the center of gravity in the local EMCAL-module coordinates
542 Float_t wtot = 0. ;
543
544 Int_t relid[4] ;
545
546 AliEMCALDigit * digit ;
547
548 AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
549 AliEMCALGeometry * emcalgeom = static_cast<AliEMCALGeometry*>(gime->EMCALGeometry());
550 Int_t iDigit;
551
552 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
553 digit = dynamic_cast<AliEMCALDigit *>(digits->At(fDigitsList[iDigit])) ;
554
555 Float_t thetai ;
556 Float_t phii ;
557 emcalgeom->AbsToRelNumbering(digit->GetId(), relid) ;
558 emcalgeom->PosInAlice(relid, thetai, phii);
559 Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
560 fTheta = fTheta + thetai * w ;
561 fPhi += (phii * w );
562 wtot += w ;
563 }
564
e7f14e3c 565 if ( wtot > 0 ) {
566 fTheta /= wtot ;
567 fPhi /= wtot ;
568 } else {
569 fTheta = -1 ;
570 fPhi = -1.;
571 }
572
ab48128d 573 fLocPos.SetX(0.) ;
574 fLocPos.SetY(0.) ;
575 fLocPos.SetZ(0.) ;
576
577 fLocPosM = 0 ;
578}
579
580//____________________________________________________________________________
581Float_t AliEMCALTowerRecPoint::GetMaximalEnergy(void) const
582{
583 // Finds the maximum energy in the cluster
584
585 Float_t menergy = 0. ;
586
587 Int_t iDigit;
588
589 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
590
591 if(fEnergyList[iDigit] > menergy)
592 menergy = fEnergyList[iDigit] ;
593 }
594 return menergy ;
595}
596
597//____________________________________________________________________________
598Int_t AliEMCALTowerRecPoint::GetMultiplicityAtLevel(const Float_t H) const
599{
600 // Calculates the multiplicity of digits with energy larger than H*energy
601
602 Int_t multipl = 0 ;
603 Int_t iDigit ;
604 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
605
606 if(fEnergyList[iDigit] > H * fAmp)
607 multipl++ ;
608 }
609 return multipl ;
610}
611
612//____________________________________________________________________________
a0636361 613Int_t AliEMCALTowerRecPoint::GetNumberOfLocalMax(AliEMCALDigit ** maxAt, Float_t * maxAtEnergy,
ab48128d 614 Float_t locMaxCut,TClonesArray * digits) const
615{
616 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
617 // energy difference between two local maxima
618
619 AliEMCALDigit * digit ;
620 AliEMCALDigit * digitN ;
621
622
623 Int_t iDigitN ;
624 Int_t iDigit ;
625
626 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
a0636361 627 maxAt[iDigit] = (AliEMCALDigit*) digits->At(fDigitsList[iDigit]) ;
ab48128d 628
629
630 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
a0636361 631 if(maxAt[iDigit]) {
632 digit = maxAt[iDigit] ;
ab48128d 633
634 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
635 digitN = (AliEMCALDigit *) digits->At(fDigitsList[iDigitN]) ;
636
637 if ( AreNeighbours(digit, digitN) ) {
638 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
a0636361 639 maxAt[iDigitN] = 0 ;
ab48128d 640 // but may be digit too is not local max ?
641 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
a0636361 642 maxAt[iDigit] = 0 ;
ab48128d 643 }
644 else {
a0636361 645 maxAt[iDigit] = 0 ;
ab48128d 646 // but may be digitN too is not local max ?
647 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
a0636361 648 maxAt[iDigitN] = 0 ;
ab48128d 649 }
650 } // if Areneighbours
651 } // while digitN
652 } // slot not empty
653 } // while digit
654
655 iDigitN = 0 ;
656 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
a0636361 657 if(maxAt[iDigit] ){
ab48128d 658 maxAt[iDigitN] = maxAt[iDigit] ;
659 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
660 iDigitN++ ;
661 }
662 }
663 return iDigitN ;
664}
665//____________________________________________________________________________
666void AliEMCALTowerRecPoint::EvalTime(TClonesArray * digits){
667
668 Float_t maxE = 0;
669 Int_t maxAt = 0;
670 for(Int_t idig=0; idig < fMulDigit; idig++){
671 if(fEnergyList[idig] > maxE){
672 maxE = fEnergyList[idig] ;
673 maxAt = idig;
674 }
675 }
676 fTime = ((AliEMCALDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
677
678}
679//____________________________________________________________________________
680void AliEMCALTowerRecPoint::Print(Option_t * option)
681{
682 // Print the list of digits belonging to the cluster
683
9859bfc0 684 TString message("\n") ;
ab48128d 685
686 Int_t iDigit;
9859bfc0 687 message += "digits # = " ;
688 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
689 message += fDigitsList[iDigit] ;
690 message += " " ;
691 }
692
693 message += "\nEnergies = " ;
694 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
695 message += fEnergyList[iDigit] ;
696 message += " " ;
697 }
698
699 message += "\nPrimaries " ;
700 for(iDigit = 0;iDigit < fMulTrack; iDigit++) {
701 message += fTracksList[iDigit] ;
702 message += " " ;
703 }
704 message += "\n Multiplicity = " ;
705 message += fMulDigit ;
706 message += "\n Cluster Energy = " ;
707 message += fAmp ;
708 message += "\n Number of primaries " ;
709 message += fMulTrack ;
710 message += "\n Stored at position " ;
711 message += GetIndexInList() ;
712
713 Info("Print", message.Data() ) ;
ab48128d 714}
715