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1c53abe2 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
88cb7938 16/* $Id$ */
1c53abe2 17
18//-------------------------------------------------------
19// Implementation of the TPC clusterer
20//
21// Origin: Marian Ivanov
22//-------------------------------------------------------
23
24#include "AliTPCclustererMI.h"
25#include "AliTPCclusterMI.h"
26#include <TObjArray.h>
27#include <TFile.h>
28#include "AliTPCClustersArray.h"
29#include "AliTPCClustersRow.h"
30#include "AliDigits.h"
31#include "AliSimDigits.h"
32#include "AliTPCParam.h"
cc5e9db0 33#include "Riostream.h"
1c53abe2 34#include <TTree.h>
35
36ClassImp(AliTPCclustererMI)
37
38
39
88cb7938 40AliTPCclustererMI::AliTPCclustererMI()
1c53abe2 41{
42 fInput =0;
43 fOutput=0;
44}
45void AliTPCclustererMI::SetInput(TTree * tree)
46{
47 //
48 // set input tree with digits
49 //
50 fInput = tree;
51 if (!fInput->GetBranch("Segment")){
52 cerr<<"AliTPC::Digits2Clusters(): no porper input tree !\n";
53 fInput=0;
54 return;
55 }
56}
57
58void AliTPCclustererMI::SetOutput(TTree * tree)
59{
60 //
61 //
62 fOutput= tree;
63 AliTPCClustersRow clrow;
64 AliTPCClustersRow *pclrow=&clrow;
65 clrow.SetClass("AliTPCclusterMI");
66 clrow.SetArray(1); // to make Clones array
67 fOutput->Branch("Segment","AliTPCClustersRow",&pclrow,32000,200);
68}
69
70
71Float_t AliTPCclustererMI::GetSigmaY2(Int_t iz){
72 // sigma y2 = in digits - we don't know the angle
73 Float_t z = iz*fParam->GetZWidth();
74 Float_t sd2 = (z*fParam->GetDiffL()*fParam->GetDiffL())/
75 (fPadWidth*fPadWidth);
76 Float_t sres = 0.25;
77 Float_t res = sd2+sres;
78 return res;
79}
80
81
82Float_t AliTPCclustererMI::GetSigmaZ2(Int_t iz){
83 //sigma z2 = in digits - angle estimated supposing vertex constraint
84 Float_t z = iz*fZWidth;
85 Float_t sd2 = (z*fParam->GetDiffL()*fParam->GetDiffL())/(fZWidth*fZWidth);
86 Float_t angular = fPadLength*(fParam->GetZLength()-z)/(fRx*fZWidth);
87 angular*=angular;
88 angular/=12.;
89 Float_t sres = fParam->GetZSigma()/fZWidth;
90 sres *=sres;
91 Float_t res = angular +sd2+sres;
92 return res;
93}
94
95void AliTPCclustererMI::MakeCluster(Int_t k,Int_t max,Int_t *bins, UInt_t m,
96AliTPCclusterMI &c)
97{
98 Int_t i0=k/max; //central pad
99 Int_t j0=k%max; //central time bin
100
101 // set pointers to data
102 //Int_t dummy[5] ={0,0,0,0,0};
103 Int_t * matrix[5]; //5x5 matrix with digits - indexing i = 0 ..4 j = -2..2
104 Int_t * resmatrix[5];
105 for (Int_t di=-2;di<=2;di++){
106 matrix[di+2] = &bins[k+di*max];
107 resmatrix[di+2] = &fResBins[k+di*max];
108 }
109 //build matrix with virtual charge
110 Float_t sigmay2= GetSigmaY2(j0);
111 Float_t sigmaz2= GetSigmaZ2(j0);
112
113 Float_t vmatrix[5][5];
114 vmatrix[2][2] = matrix[2][0];
115 c.SetType(0);
116 c.SetMax(Short_t(vmatrix[2][2])); // write maximal amplitude
117 for (Int_t di =-1;di <=1;di++)
118 for (Int_t dj =-1;dj <=1;dj++){
119 Float_t amp = matrix[di+2][dj];
120 if ( (amp<2) && (fLoop<2)){
121 // if under threshold - calculate virtual charge
122 Float_t ratio = TMath::Exp(-1.2*TMath::Abs(di)/sigmay2)*TMath::Exp(-1.2*TMath::Abs(dj)/sigmaz2);
123 amp = ((matrix[2][0]-2)*(matrix[2][0]-2)/(matrix[-di+2][-dj]+2))*ratio;
124 if (amp>2) amp = 2;
125 vmatrix[2+di][2+dj]=amp;
126 vmatrix[2+2*di][2+2*dj]=0;
127 if ( (di*dj)!=0){
128 //DIAGONAL ELEMENTS
129 vmatrix[2+2*di][2+dj] =0;
130 vmatrix[2+di][2+2*dj] =0;
131 }
132 continue;
133 }
134 if (amp<4){
135 //if small amplitude - below 2 x threshold - don't consider other one
136 vmatrix[2+di][2+dj]=amp;
137 vmatrix[2+2*di][2+2*dj]=0; // don't take to the account next bin
138 if ( (di*dj)!=0){
139 //DIAGONAL ELEMENTS
140 vmatrix[2+2*di][2+dj] =0;
141 vmatrix[2+di][2+2*dj] =0;
142 }
143 continue;
144 }
145 //if bigger then take everything
146 vmatrix[2+di][2+dj]=amp;
147 vmatrix[2+2*di][2+2*dj]= matrix[2*di+2][2*dj] ;
148 if ( (di*dj)!=0){
149 //DIAGONAL ELEMENTS
150 vmatrix[2+2*di][2+dj] = matrix[2*di+2][dj];
151 vmatrix[2+di][2+2*dj] = matrix[2+di][dj*2];
152 }
153 }
154
155
156
157 Float_t sumw=0;
158 Float_t sumiw=0;
159 Float_t sumi2w=0;
160 Float_t sumjw=0;
161 Float_t sumj2w=0;
162 //
163 for (Int_t i=-2;i<=2;i++)
164 for (Int_t j=-2;j<=2;j++){
165 Float_t amp = vmatrix[i+2][j+2];
166
167 sumw += amp;
168 sumiw += i*amp;
169 sumi2w += i*i*amp;
170 sumjw += j*amp;
171 sumj2w += j*j*amp;
172 }
173 //
174 Float_t meani = sumiw/sumw;
175 Float_t mi2 = sumi2w/sumw-meani*meani;
176 Float_t meanj = sumjw/sumw;
177 Float_t mj2 = sumj2w/sumw-meanj*meanj;
178 //
179 Float_t ry = mi2/sigmay2;
180 Float_t rz = mj2/sigmaz2;
181
182 //
183 if ( ( (ry<0.6) || (rz<0.6) ) && fLoop==2) return;
184 if ( (ry <1.2) && (rz<1.2) ) {
185 //if cluster looks like expected
186 //+1.2 deviation from expected sigma accepted
187 // c.fMax = FitMax(vmatrix,meani,meanj,TMath::Sqrt(sigmay2),TMath::Sqrt(sigmaz2));
188
189 meani +=i0;
190 meanj +=j0;
191 //set cluster parameters
192 c.SetQ(sumw);
193 c.SetY(meani*fPadWidth);
194 c.SetZ(meanj*fZWidth);
195 c.SetSigmaY2(mi2);
196 c.SetSigmaZ2(mj2);
197 AddCluster(c);
198 //remove cluster data from data
199 for (Int_t di=-2;di<=2;di++)
200 for (Int_t dj=-2;dj<=2;dj++){
201 resmatrix[di+2][dj] -= Int_t(vmatrix[di+2][dj+2]);
202 if (resmatrix[di+2][dj]<0) resmatrix[di+2][dj]=0;
203 }
204 resmatrix[2][0] =0;
205 return;
206 }
207 //
208 //unfolding when neccessary
209 //
210
211 Int_t * matrix2[7]; //7x7 matrix with digits - indexing i = 0 ..6 j = -3..3
212 Int_t dummy[7]={0,0,0,0,0,0};
213 for (Int_t di=-3;di<=3;di++){
214 matrix2[di+3] = &bins[k+di*max];
215 if ((k+di*max)<3) matrix2[di+3] = &dummy[3];
216 if ((k+di*max)>fMaxBin-3) matrix2[di+3] = &dummy[3];
217 }
218 Float_t vmatrix2[5][5];
219 Float_t sumu;
220 Float_t overlap;
221 UnfoldCluster(matrix2,vmatrix2,meani,meanj,sumu,overlap);
222 //
223 // c.fMax = FitMax(vmatrix2,meani,meanj,TMath::Sqrt(sigmay2),TMath::Sqrt(sigmaz2));
224 meani +=i0;
225 meanj +=j0;
226 //set cluster parameters
227 c.SetQ(sumu);
228 c.SetY(meani*fPadWidth);
229 c.SetZ(meanj*fZWidth);
230 c.SetSigmaY2(mi2);
231 c.SetSigmaZ2(mj2);
232 c.SetType(Char_t(overlap)+1);
233 AddCluster(c);
234
235 //unfolding 2
236 meani-=i0;
237 meanj-=j0;
238 if (gDebug>4)
239 printf("%f\t%f\n", vmatrix2[2][2], vmatrix[2][2]);
240}
241
242
243
244void AliTPCclustererMI::UnfoldCluster(Int_t * matrix2[7], Float_t recmatrix[5][5], Float_t & meani, Float_t & meanj,
245 Float_t & sumu, Float_t & overlap )
246{
247 //
248 //unfold cluster from input matrix
249 //data corresponding to cluster writen in recmatrix
250 //output meani and meanj
251
252 //take separatelly y and z
253
254 Float_t sum3i[7] = {0,0,0,0,0,0,0};
255 Float_t sum3j[7] = {0,0,0,0,0,0,0};
256
257 for (Int_t k =0;k<7;k++)
258 for (Int_t l = -1; l<=1;l++){
259 sum3i[k]+=matrix2[k][l];
260 sum3j[k]+=matrix2[l+3][k-3];
261 }
262 Float_t mratio[3][3]={{1,1,1},{1,1,1},{1,1,1}};
263 //
264 //unfold y
265 Float_t sum3wi = 0; //charge minus overlap
266 Float_t sum3wio = 0; //full charge
267 Float_t sum3iw = 0; //sum for mean value
268 for (Int_t dk=-1;dk<=1;dk++){
269 sum3wio+=sum3i[dk+3];
270 if (dk==0){
271 sum3wi+=sum3i[dk+3];
272 }
273 else{
274 Float_t ratio =1;
275 if ( ( ((sum3i[dk+3]+3)/(sum3i[3]-3))+1 < (sum3i[2*dk+3]-3)/(sum3i[dk+3]+3))||
276 sum3i[dk+3]<=sum3i[2*dk+3] && sum3i[dk+3]>2 ){
277 Float_t xm2 = sum3i[-dk+3];
278 Float_t xm1 = sum3i[+3];
279 Float_t x1 = sum3i[2*dk+3];
280 Float_t x2 = sum3i[3*dk+3];
cc5e9db0 281 Float_t w11 = TMath::Max((Float_t)(4.*xm1-xm2),(Float_t)0.000001);
282 Float_t w12 = TMath::Max((Float_t)(4 *x1 -x2),(Float_t)0.);
1c53abe2 283 ratio = w11/(w11+w12);
284 for (Int_t dl=-1;dl<=1;dl++)
285 mratio[dk+1][dl+1] *= ratio;
286 }
287 Float_t amp = sum3i[dk+3]*ratio;
288 sum3wi+=amp;
289 sum3iw+= dk*amp;
290 }
291 }
292 meani = sum3iw/sum3wi;
293 Float_t overlapi = (sum3wio-sum3wi)/sum3wio;
294
295
296
297 //unfold z
298 Float_t sum3wj = 0; //charge minus overlap
299 Float_t sum3wjo = 0; //full charge
300 Float_t sum3jw = 0; //sum for mean value
301 for (Int_t dk=-1;dk<=1;dk++){
302 sum3wjo+=sum3j[dk+3];
303 if (dk==0){
304 sum3wj+=sum3j[dk+3];
305 }
306 else{
307 Float_t ratio =1;
308 if ( ( ((sum3j[dk+3]+3)/(sum3j[3]-3))+1 < (sum3j[2*dk+3]-3)/(sum3j[dk+3]+3)) ||
309 (sum3j[dk+3]<=sum3j[2*dk+3] && sum3j[dk+3]>2)){
310 Float_t xm2 = sum3j[-dk+3];
311 Float_t xm1 = sum3j[+3];
312 Float_t x1 = sum3j[2*dk+3];
313 Float_t x2 = sum3j[3*dk+3];
cc5e9db0 314 Float_t w11 = TMath::Max((Float_t)(4.*xm1-xm2),(Float_t)0.000001);
315 Float_t w12 = TMath::Max((Float_t)(4 *x1 -x2),(Float_t)0.);
1c53abe2 316 ratio = w11/(w11+w12);
317 for (Int_t dl=-1;dl<=1;dl++)
318 mratio[dl+1][dk+1] *= ratio;
319 }
320 Float_t amp = sum3j[dk+3]*ratio;
321 sum3wj+=amp;
322 sum3jw+= dk*amp;
323 }
324 }
325 meanj = sum3jw/sum3wj;
326 Float_t overlapj = (sum3wjo-sum3wj)/sum3wjo;
327 overlap = Int_t(100*TMath::Max(overlapi,overlapj)+3);
328 sumu = (sum3wj+sum3wi)/2.;
329
330 if (overlap ==3) {
331 //if not overlap detected remove everything
332 for (Int_t di =-2; di<=2;di++)
333 for (Int_t dj =-2; dj<=2;dj++){
334 recmatrix[di+2][dj+2] = matrix2[3+di][dj];
335 }
336 }
337 else{
338 for (Int_t di =-1; di<=1;di++)
339 for (Int_t dj =-1; dj<=1;dj++){
340 Float_t ratio =1;
341 if (mratio[di+1][dj+1]==1){
342 recmatrix[di+2][dj+2] = matrix2[3+di][dj];
343 if (TMath::Abs(di)+TMath::Abs(dj)>1){
344 recmatrix[2*di+2][dj+2] = matrix2[3+2*di][dj];
345 recmatrix[di+2][2*dj+2] = matrix2[3+di][2*dj];
346 }
347 recmatrix[2*di+2][2*dj+2] = matrix2[3+2*di][2*dj];
348 }
349 else
350 {
351 //if we have overlap in direction
352 recmatrix[di+2][dj+2] = mratio[di+1][dj+1]* matrix2[3+di][dj];
353 if (TMath::Abs(di)+TMath::Abs(dj)>1){
cc5e9db0 354 ratio = TMath::Min((Float_t)(recmatrix[di+2][dj+2]/(matrix2[3+0*di][1*dj]+1)),(Float_t)1.);
1c53abe2 355 recmatrix[2*di+2][dj+2] = ratio*recmatrix[di+2][dj+2];
356 //
cc5e9db0 357 ratio = TMath::Min((Float_t)(recmatrix[di+2][dj+2]/(matrix2[3+1*di][0*dj]+1)),(Float_t)1.);
1c53abe2 358 recmatrix[di+2][2*dj+2] = ratio*recmatrix[di+2][dj+2];
359 }
360 else{
361 ratio = recmatrix[di+2][dj+2]/matrix2[3][0];
362 recmatrix[2*di+2][2*dj+2] = ratio*recmatrix[di+2][dj+2];
363 }
364 }
365 }
366 }
367 if (gDebug>4)
368 printf("%f\n", recmatrix[2][2]);
369
370}
371
372Float_t AliTPCclustererMI::FitMax(Float_t vmatrix[5][5], Float_t y, Float_t z, Float_t sigmay, Float_t sigmaz)
373{
374 //
375 // estimate max
376 Float_t sumteor= 0;
377 Float_t sumamp = 0;
378
379 for (Int_t di = -1;di<=1;di++)
380 for (Int_t dj = -1;dj<=1;dj++){
381 if (vmatrix[2+di][2+dj]>2){
382 Float_t teor = TMath::Gaus(di,y,sigmay*1.2)*TMath::Gaus(dj,z,sigmaz*1.2);
383 sumteor += teor*vmatrix[2+di][2+dj];
384 sumamp += vmatrix[2+di][2+dj]*vmatrix[2+di][2+dj];
385 }
386 }
387 Float_t max = sumamp/sumteor;
388 return max;
389}
390
391void AliTPCclustererMI::AddCluster(AliTPCclusterMI &c){
392 //
393 // transform cluster to the global coordinata
394 // add the cluster to the array
395 //
396 Float_t meani = c.GetY()/fPadWidth;
397 Float_t meanj = c.GetZ()/fZWidth;
398
399 Int_t ki = TMath::Nint(meani-3);
400 if (ki<0) ki=0;
401 if (ki>=fMaxPad) ki = fMaxPad-1;
402 Int_t kj = TMath::Nint(meanj-3);
403 if (kj<0) kj=0;
404 if (kj>=fMaxTime-3) kj=fMaxTime-4;
405 // ki and kj shifted to "real" coordinata
88cb7938 406 c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,0)-2,0);
407 c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,1)-2,1);
408 c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,2)-2,2);
1c53abe2 409
410
411 Float_t s2 = c.GetSigmaY2();
412 Float_t w=fParam->GetPadPitchWidth(fSector);
413
414 c.SetSigmaY2(s2*w*w);
415 s2 = c.GetSigmaZ2();
416 w=fZWidth;
417 c.SetSigmaZ2(s2*w*w);
418 c.SetY((meani - 2.5 - 0.5*fMaxPad)*fParam->GetPadPitchWidth(fSector));
419 c.SetZ(fZWidth*(meanj-3));
420 c.SetZ(c.GetZ() - 3.*fParam->GetZSigma()); // PASA delay
421 c.SetZ(fSign*(fParam->GetZLength() - c.GetZ()));
422
423 if (ki<=1 || ki>=fMaxPad-1 || kj==1 || kj==fMaxTime-2) {
424 //c.SetSigmaY2(c.GetSigmaY2()*25.);
425 //c.SetSigmaZ2(c.GetSigmaZ2()*4.);
426 c.SetType(-(c.GetType()+3)); //edge clusters
427 }
428 if (fLoop==2) c.SetType(100);
429
430 TClonesArray * arr = fRowCl->GetArray();
45bcf167 431 // AliTPCclusterMI * cl =
432 new ((*arr)[fNcluster]) AliTPCclusterMI(c);
1c53abe2 433
434 fNcluster++;
435}
436
437
438//_____________________________________________________________________________
439void AliTPCclustererMI::Digits2Clusters(const AliTPCParam *par, Int_t eventn)
440{
441 //-----------------------------------------------------------------
442 // This is a simple cluster finder.
443 //-----------------------------------------------------------------
444 TDirectory *savedir=gDirectory;
445
446 if (fInput==0){
447 cerr<<"AliTPC::Digits2Clusters(): input tree not initialised !\n";
448 return;
449 }
450
451 if (fOutput==0) {
452 cerr<<"AliTPC::Digits2Clusters(): output tree not initialised !\n";
453 return;
454 }
455
456 AliSimDigits digarr, *dummy=&digarr;
457 fRowDig = dummy;
458 fInput->GetBranch("Segment")->SetAddress(&dummy);
459 Stat_t nentries = fInput->GetEntries();
460
461 fMaxTime=par->GetMaxTBin()+6; // add 3 virtual time bins before and 3 after
462
463 fParam = par;
464 ((AliTPCParam*)par)->Write(par->GetTitle());
465
466 Int_t nclusters = 0;
467
468 for (Int_t n=0; n<nentries; n++) {
469 fInput->GetEvent(n);
470 Int_t row;
471 if (!par->AdjustSectorRow(digarr.GetID(),fSector,row)) {
472 cerr<<"AliTPC warning: invalid segment ID ! "<<digarr.GetID()<<endl;
473 continue;
474 }
475
476 AliTPCClustersRow *clrow= new AliTPCClustersRow();
477 fRowCl = clrow;
478 clrow->SetClass("AliTPCclusterMI");
479 clrow->SetArray(1);
480
481 clrow->SetID(digarr.GetID());
482 fOutput->GetBranch("Segment")->SetAddress(&clrow);
483 fRx=par->GetPadRowRadii(fSector,row);
484
485
486 const Int_t kNIS=par->GetNInnerSector(), kNOS=par->GetNOuterSector();
487 fZWidth = fParam->GetZWidth();
488 if (fSector < kNIS) {
489 fMaxPad = par->GetNPadsLow(row);
490 fSign = (fSector < kNIS/2) ? 1 : -1;
491 fPadLength = par->GetPadPitchLength(fSector,row);
492 fPadWidth = par->GetPadPitchWidth();
493 } else {
494 fMaxPad = par->GetNPadsUp(row);
495 fSign = ((fSector-kNIS) < kNOS/2) ? 1 : -1;
496 fPadLength = par->GetPadPitchLength(fSector,row);
497 fPadWidth = par->GetPadPitchWidth();
498 }
499
500
501 fMaxBin=fMaxTime*(fMaxPad+6); // add 3 virtual pads before and 3 after
502 fBins =new Int_t[fMaxBin];
503 fResBins =new Int_t[fMaxBin]; //fBins with residuals after 1 finder loop
504 memset(fBins,0,sizeof(Int_t)*fMaxBin);
505
506 if (digarr.First()) //MI change
507 do {
508 Short_t dig=digarr.CurrentDigit();
509 if (dig<=par->GetZeroSup()) continue;
510 Int_t j=digarr.CurrentRow()+3, i=digarr.CurrentColumn()+3;
511 fBins[i*fMaxTime+j]=dig;
512 } while (digarr.Next());
513 digarr.ExpandTrackBuffer();
514
88cb7938 515 //add virtual charge at the edge
516 for (Int_t i=0; i<fMaxTime; i++){
517 Float_t amp1 = fBins[i+3*fMaxTime];
518 Float_t amp0 =0;
519 if (amp1>0){
520 Float_t amp2 = fBins[i+4*fMaxTime];
521 if (amp2==0) amp2=0.5;
522 Float_t sigma2 = GetSigmaY2(i);
523 amp0 = (amp1*amp1/amp2)*TMath::Exp(-1./sigma2);
524 if (gDebug>4) printf("\n%f\n",amp0);
525 }
526 fBins[i+2*fMaxTime] = Int_t(amp0);
527 amp0 = 0;
528 amp1 = fBins[(fMaxPad+2)*fMaxTime+i];
529 if (amp1>0){
530 Float_t amp2 = fBins[i+(fMaxPad+1)*fMaxTime];
531 if (amp2==0) amp2=0.5;
532 Float_t sigma2 = GetSigmaY2(i);
533 amp0 = (amp1*amp1/amp2)*TMath::Exp(-1./sigma2);
534 if (gDebug>4) printf("\n%f\n",amp0);
535 }
536 fBins[(fMaxPad+3)*fMaxTime+i] = Int_t(amp0);
8569a2b0 537 }
538
88cb7938 539 memcpy(fResBins,fBins, fMaxBin*2);
540 //
541 fNcluster=0;
542 //first loop - for "gold cluster"
543 fLoop=1;
544 Int_t *b=&fBins[-1]+2*fMaxTime;
545 Int_t crtime = Int_t((fParam->GetZLength()-1.05*fRx)/fZWidth-5);
546
547 for (Int_t i=2*fMaxTime; i<fMaxBin-2*fMaxTime; i++) {
548 b++;
549 if (*b<8) continue; //threshold form maxima
550 if (i%fMaxTime<crtime) {
551 Int_t delta = -(i%fMaxTime)+crtime;
552 b+=delta;
553 i+=delta;
554 continue;
8569a2b0 555 }
88cb7938 556
557 if (!IsMaximum(*b,fMaxTime,b)) continue;
558 AliTPCclusterMI c;
559 Int_t dummy=0;
560 MakeCluster(i, fMaxTime, fBins, dummy,c);
561 //}
8569a2b0 562 }
88cb7938 563 //memcpy(fBins,fResBins, fMaxBin*2);
564 //second loop - for rest cluster
565 /*
566 fLoop=2;
567 b=&fResBins[-1]+2*fMaxTime;
568 for (Int_t i=2*fMaxTime; i<fMaxBin-2*fMaxTime; i++) {
569 b++;
570 if (*b<25) continue; // bigger threshold for maxima
571 if (!IsMaximum(*b,fMaxTime,b)) continue;
572 AliTPCclusterMI c;
573 Int_t dummy;
574 MakeCluster(i, fMaxTime, fResBins, dummy,c);
575 //}
8569a2b0 576 }
88cb7938 577 */
8569a2b0 578
579 fOutput->Fill();
88cb7938 580 delete clrow;
581 nclusters+=fNcluster;
8569a2b0 582 delete[] fBins;
583 delete[] fResBins;
88cb7938 584 }
585 cerr<<"Number of found clusters : "<<nclusters<<" \n";
586
8569a2b0 587 fOutput->Write();
588 savedir->cd();
589}