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04-jul-2001 NvE Storage of calorimeters introduced in AliEvent and ResetVertices()
[u/mrichter/AliRoot.git] / PHOS / AliPHOSEmcRecPoint.cxx
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d15a28e7 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
b2a60966 16/* $Id$ */
17
d15a28e7 18//_________________________________________________________________________
b2a60966 19// RecPoint implementation for PHOS-EMC
20// An EmcRecPoint is a cluster of digits
baef0810 21//*--
b2a60966 22//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
23
d15a28e7 24
25// --- ROOT system ---
9f616d61 26#include "TPad.h"
27#include "TH2.h"
d15a28e7 28#include "TMath.h"
9f616d61 29#include "TCanvas.h"
d15a28e7 30
31// --- Standard library ---
32
de9ec31b 33#include <iostream.h>
d15a28e7 34
35// --- AliRoot header files ---
36
7932f811 37 #include "AliGenerator.h"
d15a28e7 38#include "AliPHOSGeometry.h"
39#include "AliPHOSEmcRecPoint.h"
40#include "AliRun.h"
41
42ClassImp(AliPHOSEmcRecPoint)
43
44//____________________________________________________________________________
7932f811 45AliPHOSEmcRecPoint::AliPHOSEmcRecPoint() : AliPHOSRecPoint()
d15a28e7 46{
47 // ctor
48
49 fMulDigit = 0 ;
50 fAmp = 0. ;
7932f811 51 fCoreEnergy = 0 ;
52 fEnergyList = 0 ;
ad8cfaf4 53 fGeom = AliPHOSGeometry::GetInstance() ;
d15a28e7 54 fLocPos.SetX(1000000.) ; //Local position should be evaluated
69183710 55
83974468 56}
57
58//____________________________________________________________________________
59AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint()
60{
88714635 61 // dtor
a4e98857 62
83974468 63 if ( fEnergyList )
64 delete[] fEnergyList ;
d15a28e7 65}
66
d15a28e7 67//____________________________________________________________________________
83974468 68void AliPHOSEmcRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy)
d15a28e7 69{
b2a60966 70 // Adds a digit to the RecPoint
a4e98857 71 // and accumulates the total amplitude and the multiplicity
d15a28e7 72
7932f811 73 if(fEnergyList == 0)
74 fEnergyList = new Float_t[fMaxDigit];
75
d15a28e7 76 if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
9f616d61 77 fMaxDigit*=2 ;
83974468 78 Int_t * tempo = new ( Int_t[fMaxDigit] ) ;
9f616d61 79 Float_t * tempoE = new ( Float_t[fMaxDigit] ) ;
80
81 Int_t index ;
d15a28e7 82 for ( index = 0 ; index < fMulDigit ; index++ ){
83974468 83 tempo[index] = fDigitsList[index] ;
d15a28e7 84 tempoE[index] = fEnergyList[index] ;
85 }
86
9f616d61 87 delete [] fDigitsList ;
83974468 88 fDigitsList = new ( Int_t[fMaxDigit] ) ;
9f616d61 89
90 delete [] fEnergyList ;
91 fEnergyList = new ( Float_t[fMaxDigit] ) ;
92
93 for ( index = 0 ; index < fMulDigit ; index++ ){
94 fDigitsList[index] = tempo[index] ;
95 fEnergyList[index] = tempoE[index] ;
96 }
97
98 delete [] tempo ;
99 delete [] tempoE ;
100 } // if
d15a28e7 101
83974468 102 fDigitsList[fMulDigit] = digit.GetIndexInList() ;
103 fEnergyList[fMulDigit] = Energy ;
104 fMulDigit++ ;
d15a28e7 105 fAmp += Energy ;
7932f811 106
107 EvalPHOSMod(&digit) ;
d15a28e7 108}
109
110//____________________________________________________________________________
ad8cfaf4 111Bool_t AliPHOSEmcRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const
d15a28e7 112{
a4e98857 113 // Tells if (true) or not (false) two digits are neighbors
d15a28e7 114
115 Bool_t aren = kFALSE ;
116
92862013 117 AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
d15a28e7 118 Int_t relid1[4] ;
92862013 119 phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ;
d15a28e7 120
121 Int_t relid2[4] ;
92862013 122 phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ;
d15a28e7 123
92862013 124 Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ;
125 Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ;
d15a28e7 126
92862013 127 if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
d15a28e7 128 aren = kTRUE ;
129
130 return aren ;
131}
132
133//____________________________________________________________________________
2a941f4e 134Int_t AliPHOSEmcRecPoint::Compare(const TObject * obj) const
d15a28e7 135{
b2a60966 136 // Compares two RecPoints according to their position in the PHOS modules
137
7932f811 138 Float_t delta = 1 ; //Width of "Sorting row". If you changibg this
139 //value (what is senseless) change as vell delta in
140 //AliPHOSTrackSegmentMakerv* and other RecPoints...
d15a28e7 141 Int_t rv ;
142
143 AliPHOSEmcRecPoint * clu = (AliPHOSEmcRecPoint *)obj ;
144
145
ad8cfaf4 146 Int_t phosmod1 = GetPHOSMod() ;
92862013 147 Int_t phosmod2 = clu->GetPHOSMod() ;
d15a28e7 148
92862013 149 TVector3 locpos1;
7932f811 150 GetLocalPosition(locpos1) ;
92862013 151 TVector3 locpos2;
152 clu->GetLocalPosition(locpos2) ;
d15a28e7 153
92862013 154 if(phosmod1 == phosmod2 ) {
7932f811 155 Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ;
d15a28e7 156 if (rowdif> 0)
7932f811 157 rv = 1 ;
d15a28e7 158 else if(rowdif < 0)
7932f811 159 rv = -1 ;
92862013 160 else if(locpos1.Z()>locpos2.Z())
d15a28e7 161 rv = -1 ;
162 else
163 rv = 1 ;
164 }
165
166 else {
92862013 167 if(phosmod1 < phosmod2 )
d15a28e7 168 rv = -1 ;
169 else
170 rv = 1 ;
171 }
172
173 return rv ;
174}
175
9f616d61 176//______________________________________________________________________________
baef0810 177void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) const
9f616d61 178{
7932f811 179// Commented by Dmitri Peressounko: there is no possibility to ensure,
180// that AliPHOSIndexToObject keeps the correct information.
181
182// // Execute action corresponding to one event
183// // This member function is called when a AliPHOSRecPoint is clicked with the locator
184// //
185// // If Left button is clicked on AliPHOSRecPoint, the digits are switched on
186// // and switched off when the mouse button is released.
187// //
9f616d61 188
7932f811 189// // static Int_t pxold, pyold;
9f616d61 190
7932f811 191// AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
9f616d61 192
7932f811 193// static TGraph * digitgraph = 0 ;
83974468 194
7932f811 195// if (!gPad->IsEditable()) return;
83974468 196
7932f811 197// TH2F * histo = 0 ;
198// TCanvas * histocanvas ;
83974468 199
7932f811 200// switch (event) {
83974468 201
7932f811 202// case kButton1Down: {
203// AliPHOSDigit * digit ;
204// AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
205// Int_t iDigit;
206// Int_t relid[4] ;
83974468 207
7932f811 208// const Int_t kMulDigit = AliPHOSEmcRecPoint::GetDigitsMultiplicity() ;
209// Float_t * xi = new Float_t[kMulDigit] ;
210// Float_t * zi = new Float_t[kMulDigit] ;
83974468 211
7932f811 212// // create the histogram for the single cluster
213// // 1. gets histogram boundaries
214// Float_t ximax = -999. ;
215// Float_t zimax = -999. ;
216// Float_t ximin = 999. ;
217// Float_t zimin = 999. ;
83974468 218
7932f811 219// for(iDigit=0; iDigit<kMulDigit; iDigit++) {
220// digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
221// phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
222// phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]);
223// if ( xi[iDigit] > ximax )
224// ximax = xi[iDigit] ;
225// if ( xi[iDigit] < ximin )
226// ximin = xi[iDigit] ;
227// if ( zi[iDigit] > zimax )
228// zimax = zi[iDigit] ;
229// if ( zi[iDigit] < zimin )
230// zimin = zi[iDigit] ;
231// }
232// ximax += phosgeom->GetCrystalSize(0) / 2. ;
233// zimax += phosgeom->GetCrystalSize(2) / 2. ;
234// ximin -= phosgeom->GetCrystalSize(0) / 2. ;
235// zimin -= phosgeom->GetCrystalSize(2) / 2. ;
236// Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ;
237// Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ;
83974468 238
7932f811 239// // 2. gets the histogram title
83974468 240
7932f811 241// Text_t title[100] ;
242// sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ;
83974468 243
7932f811 244// if (!histo) {
245// delete histo ;
246// histo = 0 ;
247// }
248// histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ;
83974468 249
7932f811 250// Float_t x, z ;
251// for(iDigit=0; iDigit<kMulDigit; iDigit++) {
252// digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
253// phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
254// phosgeom->RelPosInModule(relid, x, z);
255// histo->Fill(x, z, fEnergyList[iDigit] ) ;
256// }
83974468 257
7932f811 258// if (!digitgraph) {
259// digitgraph = new TGraph(kMulDigit,xi,zi);
260// digitgraph-> SetMarkerStyle(5) ;
261// digitgraph-> SetMarkerSize(1.) ;
262// digitgraph-> SetMarkerColor(1) ;
263// digitgraph-> Paint("P") ;
264// }
83974468 265
7932f811 266// Print() ;
267// histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ;
268// histocanvas->Draw() ;
269// histo->Draw("lego1") ;
83974468 270
7932f811 271// delete[] xi ;
272// delete[] zi ;
83974468 273
7932f811 274// break;
275// }
83974468 276
7932f811 277// case kButton1Up:
278// if (digitgraph) {
279// delete digitgraph ;
280// digitgraph = 0 ;
281// }
282// break;
9f616d61 283
7932f811 284// }
9f616d61 285}
286
d15a28e7 287//____________________________________________________________________________
7932f811 288void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits)
d15a28e7 289{
b2a60966 290 // Calculates the dispersion of the shower at the origine of the RecPoint
291
92862013 292 Float_t d = 0 ;
d15a28e7 293 Float_t wtot = 0 ;
294
92862013 295 TVector3 locpos;
296 GetLocalPosition(locpos);
297 Float_t x = locpos.X() ;
298 Float_t z = locpos.Z() ;
d15a28e7 299
300 AliPHOSDigit * digit ;
92862013 301 AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
d15a28e7 302
303 Int_t iDigit;
88714635 304 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
7932f811 305 digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
d15a28e7 306 Int_t relid[4] ;
307 Float_t xi ;
308 Float_t zi ;
92862013 309 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
310 phosgeom->RelPosInModule(relid, xi, zi);
7932f811 311 Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
92862013 312 d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ;
d15a28e7 313 wtot+=w ;
314 }
315
7932f811 316
92862013 317 d /= wtot ;
d15a28e7 318
7932f811 319 fDispersion = TMath::Sqrt(d) ;
d15a28e7 320}
fad3e5b9 321//______________________________________________________________________________
7932f811 322void AliPHOSEmcRecPoint::EvalCoreEnergy(TClonesArray * digits)
fad3e5b9 323{
a4e98857 324 // This function calculates energy in the core,
325 // i.e. within a radius rad = 3cm around the center. Beyond this radius
326 // in accordance with shower profile the energy deposition
fad3e5b9 327 // should be less than 2%
328
fad3e5b9 329 Float_t coreRadius = 3 ;
330
331 TVector3 locpos;
332 GetLocalPosition(locpos);
333 Float_t x = locpos.X() ;
334 Float_t z = locpos.Z() ;
335
336 AliPHOSDigit * digit ;
337 AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
338
339 Int_t iDigit;
340 for(iDigit=0; iDigit < fMulDigit; iDigit++) {
7932f811 341 digit = (AliPHOSDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
fad3e5b9 342 Int_t relid[4] ;
343 Float_t xi ;
344 Float_t zi ;
345 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
346 phosgeom->RelPosInModule(relid, xi, zi);
347 Float_t distance = TMath::Sqrt((xi-x)*(xi-x)+(zi-z)*(zi-z)) ;
348 if(distance < coreRadius)
7932f811 349 fCoreEnergy += fEnergyList[iDigit] ;
fad3e5b9 350 }
351
fad3e5b9 352}
d15a28e7 353
354//____________________________________________________________________________
7932f811 355void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
d15a28e7 356{
b2a60966 357 // Calculates the axis of the shower ellipsoid
83974468 358
e8dbb96e 359 Double_t wtot = 0. ;
360 Double_t x = 0.;
361 Double_t z = 0.;
362 Double_t dxx = 0.;
363 Double_t dzz = 0.;
364 Double_t dxz = 0.;
d15a28e7 365
366 AliPHOSDigit * digit ;
92862013 367 AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
d15a28e7 368 Int_t iDigit;
369
370 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
7932f811 371 digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
d15a28e7 372 Int_t relid[4] ;
373 Float_t xi ;
374 Float_t zi ;
92862013 375 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
376 phosgeom->RelPosInModule(relid, xi, zi);
7932f811 377 Double_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
92862013 378 dxx += w * xi * xi ;
d15a28e7 379 x += w * xi ;
92862013 380 dzz += w * zi * zi ;
d15a28e7 381 z += w * zi ;
92862013 382 dxz += w * xi * zi ;
d15a28e7 383 wtot += w ;
384 }
92862013 385 dxx /= wtot ;
d15a28e7 386 x /= wtot ;
92862013 387 dxx -= x * x ;
388 dzz /= wtot ;
d15a28e7 389 z /= wtot ;
92862013 390 dzz -= z * z ;
391 dxz /= wtot ;
392 dxz -= x * z ;
d15a28e7 393
69183710 394// //Apply correction due to non-perpendicular incidence
395// Double_t CosX ;
396// Double_t CosZ ;
397// Double_t DistanceToIP= (Double_t ) ((AliPHOSGeometry *) fGeom)->GetIPtoCrystalSurface() ;
398
399// CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ;
400// CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ;
401
402// dxx = dxx/(CosX*CosX) ;
403// dzz = dzz/(CosZ*CosZ) ;
404// dxz = dxz/(CosX*CosZ) ;
405
406
7932f811 407 fLambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
408 if(fLambda[0] > 0)
409 fLambda[0] = TMath::Sqrt(fLambda[0]) ;
e8dbb96e 410
7932f811 411 fLambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
412 if(fLambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
413 fLambda[1] = TMath::Sqrt(fLambda[1]) ;
e8dbb96e 414 else
7932f811 415 fLambda[1]= 0. ;
d15a28e7 416}
417
b2a60966 418//____________________________________________________________________________
7932f811 419void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits )
ad8cfaf4 420{
baef0810 421 // Evaluates all shower parameters
422
7932f811 423 AliPHOSRecPoint::EvalAll(logWeight,digits) ;
424 EvalLocalPosition(logWeight, digits) ;
425 EvalElipsAxis(logWeight, digits) ;
426 EvalDispersion(logWeight, digits) ;
427 EvalCoreEnergy(digits);
ad8cfaf4 428}
429//____________________________________________________________________________
7932f811 430void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
b2a60966 431{
432 // Calculates the center of gravity in the local PHOS-module coordinates
b2a60966 433 Float_t wtot = 0. ;
434
435 Int_t relid[4] ;
436
437 Float_t x = 0. ;
438 Float_t z = 0. ;
439
440 AliPHOSDigit * digit ;
441
442 AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
443
444 Int_t iDigit;
445
b2a60966 446 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
7932f811 447 digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
b2a60966 448
449 Float_t xi ;
450 Float_t zi ;
451 phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
452 phosgeom->RelPosInModule(relid, xi, zi);
7932f811 453 Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
b2a60966 454 x += xi * w ;
455 z += zi * w ;
456 wtot += w ;
b2a60966 457
9ce1a8d9 458 }
69183710 459
460 x /= wtot ;
461 z /= wtot ;
ad8cfaf4 462
463 // Correction for the depth of the shower starting point (TDR p 127)
464 Float_t para = 0.925 ;
465 Float_t parb = 6.52 ;
466
1b799736 467 Float_t xo,yo,zo ; //Coordinates of the origin
468 gAlice->Generator()->GetOrigin(xo,yo,zo) ;
469
5830e1d9 470 Float_t phi = phosgeom->GetPHOSAngle(relid[0]) ;
1b799736 471
472 //Transform to the local ref.frame
473 Float_t xoL,yoL ;
474 xoL = xo*TMath::Cos(phi)-yo*TMath::Sin(phi) ;
475 yoL = xo*TMath::Sin(phi)+yo*TMath::Cos(phi) ;
476
477 Float_t radius = TMath::Sqrt((xoL-x)*(xoL-x)+
5830e1d9 478 (phosgeom->GetIPtoCrystalSurface()-yoL)*(phosgeom->GetIPtoCrystalSurface()-yoL)+
479 (zo-z)*(zo-z));
1b799736 480
481 Float_t incidencephi = TMath::ATan((x-xoL ) / radius) ;
482 Float_t incidencetheta = TMath::ATan((z-zo) / radius) ;
ad8cfaf4 483
484 Float_t depthx = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencephi) ;
485 Float_t depthz = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencetheta) ;
486
487
488 fLocPos.SetX(x - depthx) ;
b2a60966 489 fLocPos.SetY(0.) ;
ad8cfaf4 490 fLocPos.SetZ(z - depthz) ;
b2a60966 491
bc68d12c 492 fLocPosM = 0 ;
b2a60966 493}
494
d15a28e7 495//____________________________________________________________________________
ad8cfaf4 496Float_t AliPHOSEmcRecPoint::GetMaximalEnergy(void) const
d15a28e7 497{
b2a60966 498 // Finds the maximum energy in the cluster
499
d15a28e7 500 Float_t menergy = 0. ;
501
502 Int_t iDigit;
503
504 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
505
506 if(fEnergyList[iDigit] > menergy)
507 menergy = fEnergyList[iDigit] ;
508 }
509 return menergy ;
510}
511
512//____________________________________________________________________________
ad8cfaf4 513Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(const Float_t H) const
d15a28e7 514{
b2a60966 515 // Calculates the multiplicity of digits with energy larger than H*energy
516
d15a28e7 517 Int_t multipl = 0 ;
518 Int_t iDigit ;
519 for(iDigit=0; iDigit<fMulDigit; iDigit++) {
520
521 if(fEnergyList[iDigit] > H * fAmp)
522 multipl++ ;
523 }
524 return multipl ;
525}
526
527//____________________________________________________________________________
7932f811 528Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEnergy,
529 Float_t locMaxCut,TClonesArray * digits) const
d15a28e7 530{
b2a60966 531 // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
a4e98857 532 // energy difference between two local maxima
b2a60966 533
d15a28e7 534 AliPHOSDigit * digit ;
535 AliPHOSDigit * digitN ;
536
537
538 Int_t iDigitN ;
539 Int_t iDigit ;
540
7932f811 541 for(iDigit = 0; iDigit < fMulDigit; iDigit++)
542 maxAt[iDigit] = (Int_t) digits->At(fDigitsList[iDigit]) ;
543
d15a28e7 544
6ad0bfa0 545 for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
9f616d61 546 if(maxAt[iDigit] != -1) {
547 digit = (AliPHOSDigit *) maxAt[iDigit] ;
83974468 548
6ad0bfa0 549 for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
7932f811 550 digitN = (AliPHOSDigit *) digits->At(fDigitsList[iDigitN]) ;
d15a28e7 551
9f616d61 552 if ( AreNeighbours(digit, digitN) ) {
d15a28e7 553 if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
554 maxAt[iDigitN] = -1 ;
6ad0bfa0 555 // but may be digit too is not local max ?
7932f811 556 if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
d15a28e7 557 maxAt[iDigit] = -1 ;
558 }
559 else {
560 maxAt[iDigit] = -1 ;
6ad0bfa0 561 // but may be digitN too is not local max ?
7932f811 562 if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
d15a28e7 563 maxAt[iDigitN] = -1 ;
564 }
565 } // if Areneighbours
566 } // while digitN
567 } // slot not empty
568 } // while digit
569
570 iDigitN = 0 ;
6ad0bfa0 571 for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
d15a28e7 572 if(maxAt[iDigit] != -1){
573 maxAt[iDigitN] = maxAt[iDigit] ;
9f616d61 574 maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
575 iDigitN++ ;
d15a28e7 576 }
577 }
578 return iDigitN ;
579}
580
d15a28e7 581
d15a28e7 582
583//____________________________________________________________________________
584void AliPHOSEmcRecPoint::Print(Option_t * option)
585{
b2a60966 586 // Print the list of digits belonging to the cluster
587
d15a28e7 588 cout << "AliPHOSEmcRecPoint: " << endl ;
589
d15a28e7 590 Int_t iDigit;
7932f811 591 cout << " digits # = " ;
592 for(iDigit=0; iDigit<fMulDigit; iDigit++)
593 cout << fDigitsList[iDigit] << " " ;
594 cout << endl ;
595
596 cout << " Energies = " ;
597 for(iDigit=0; iDigit<fMulDigit; iDigit++)
598 cout << fEnergyList[iDigit] << " ";
599 cout << endl ;
83974468 600
bc68d12c 601 cout << " Primaries " ;
602 for(iDigit = 0;iDigit < fMulTrack; iDigit++)
603 cout << fTracksList[iDigit] << " " << endl ;
604
d15a28e7 605 cout << " Multiplicity = " << fMulDigit << endl ;
606 cout << " Cluster Energy = " << fAmp << endl ;
bc68d12c 607 cout << " Number of primaries " << fMulTrack << endl ;
83974468 608 cout << " Stored at position " << GetIndexInList() << endl ;
609
d15a28e7 610}
88714635 611
7932f811 612