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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
d7a11555 24#include "AliTPCReconstructor.h"
1c53abe2 25#include "AliTPCclustererMI.h"
26#include "AliTPCclusterMI.h"
27#include <TObjArray.h>
28#include <TFile.h>
65c045f0 29#include "TGraph.h"
30#include "TF1.h"
31#include "TRandom.h"
32#include "AliMathBase.h"
33
1c53abe2 34#include "AliTPCClustersArray.h"
35#include "AliTPCClustersRow.h"
36#include "AliDigits.h"
37#include "AliSimDigits.h"
38#include "AliTPCParam.h"
194b0609 39#include "AliTPCRecoParam.h"
f8aae377 40#include "AliRawReader.h"
41#include "AliTPCRawStream.h"
42#include "AliRunLoader.h"
43#include "AliLoader.h"
cc5e9db0 44#include "Riostream.h"
1c53abe2 45#include <TTree.h>
13116aec 46#include "AliTPCcalibDB.h"
47#include "AliTPCCalPad.h"
48#include "AliTPCCalROC.h"
65c045f0 49#include "TTreeStream.h"
50#include "AliLog.h"
13116aec 51
52
1c53abe2 53ClassImp(AliTPCclustererMI)
54
55
56
2f32844a 57AliTPCclustererMI::AliTPCclustererMI(const AliTPCParam* par, const AliTPCRecoParam * recoParam):
58 fBins(0),
59 fResBins(0),
60 fLoop(0),
61 fMaxBin(0),
62 fMaxTime(0),
63 fMaxPad(0),
64 fSector(-1),
65 fRow(-1),
66 fSign(0),
67 fRx(0),
68 fPadWidth(0),
69 fPadLength(0),
70 fZWidth(0),
71 fPedSubtraction(kFALSE),
72 fIsOldRCUFormat(kFALSE),
73 fInput(0),
74 fOutput(0),
75 fRowCl(0),
76 fRowDig(0),
77 fParam(0),
78 fNcluster(0),
79 fAmplitudeHisto(0),
80 fDebugStreamer(0),
81 fRecoParam(0)
1c53abe2 82{
22c352f8 83 fIsOldRCUFormat = kFALSE;
1c53abe2 84 fInput =0;
85 fOutput=0;
f8aae377 86 fParam = par;
194b0609 87 if (recoParam) {
88 fRecoParam = recoParam;
89 }else{
90 //set default parameters if not specified
91 fRecoParam = AliTPCReconstructor::GetRecoParam();
92 if (!fRecoParam) fRecoParam = AliTPCRecoParam::GetLowFluxParam();
93 }
65c045f0 94 fDebugStreamer = new TTreeSRedirector("TPCsignal.root");
95 fAmplitudeHisto = 0;
96}
97
98AliTPCclustererMI::~AliTPCclustererMI(){
99 DumpHistos();
100 if (fAmplitudeHisto) delete fAmplitudeHisto;
101 if (fDebugStreamer) delete fDebugStreamer;
1c53abe2 102}
22c352f8 103
1c53abe2 104void AliTPCclustererMI::SetInput(TTree * tree)
105{
106 //
107 // set input tree with digits
108 //
109 fInput = tree;
110 if (!fInput->GetBranch("Segment")){
111 cerr<<"AliTPC::Digits2Clusters(): no porper input tree !\n";
112 fInput=0;
113 return;
114 }
115}
116
117void AliTPCclustererMI::SetOutput(TTree * tree)
118{
119 //
120 //
121 fOutput= tree;
122 AliTPCClustersRow clrow;
123 AliTPCClustersRow *pclrow=&clrow;
124 clrow.SetClass("AliTPCclusterMI");
125 clrow.SetArray(1); // to make Clones array
126 fOutput->Branch("Segment","AliTPCClustersRow",&pclrow,32000,200);
127}
128
129
130Float_t AliTPCclustererMI::GetSigmaY2(Int_t iz){
131 // sigma y2 = in digits - we don't know the angle
753797ce 132 Float_t z = iz*fParam->GetZWidth()+fParam->GetNTBinsL1()*fParam->GetZWidth();
1c53abe2 133 Float_t sd2 = (z*fParam->GetDiffL()*fParam->GetDiffL())/
134 (fPadWidth*fPadWidth);
135 Float_t sres = 0.25;
136 Float_t res = sd2+sres;
137 return res;
138}
139
140
141Float_t AliTPCclustererMI::GetSigmaZ2(Int_t iz){
142 //sigma z2 = in digits - angle estimated supposing vertex constraint
753797ce 143 Float_t z = iz*fZWidth+fParam->GetNTBinsL1()*fParam->GetZWidth();
1c53abe2 144 Float_t sd2 = (z*fParam->GetDiffL()*fParam->GetDiffL())/(fZWidth*fZWidth);
145 Float_t angular = fPadLength*(fParam->GetZLength()-z)/(fRx*fZWidth);
146 angular*=angular;
147 angular/=12.;
148 Float_t sres = fParam->GetZSigma()/fZWidth;
149 sres *=sres;
150 Float_t res = angular +sd2+sres;
151 return res;
152}
153
13116aec 154void AliTPCclustererMI::MakeCluster(Int_t k,Int_t max,Float_t *bins, UInt_t /*m*/,
1c53abe2 155AliTPCclusterMI &c)
156{
157 Int_t i0=k/max; //central pad
158 Int_t j0=k%max; //central time bin
159
160 // set pointers to data
161 //Int_t dummy[5] ={0,0,0,0,0};
13116aec 162 Float_t * matrix[5]; //5x5 matrix with digits - indexing i = 0 ..4 j = -2..2
163 Float_t * resmatrix[5];
1c53abe2 164 for (Int_t di=-2;di<=2;di++){
165 matrix[di+2] = &bins[k+di*max];
166 resmatrix[di+2] = &fResBins[k+di*max];
167 }
168 //build matrix with virtual charge
169 Float_t sigmay2= GetSigmaY2(j0);
170 Float_t sigmaz2= GetSigmaZ2(j0);
171
172 Float_t vmatrix[5][5];
173 vmatrix[2][2] = matrix[2][0];
174 c.SetType(0);
6c024a0e 175 c.SetMax((UShort_t)(vmatrix[2][2])); // write maximal amplitude
1c53abe2 176 for (Int_t di =-1;di <=1;di++)
177 for (Int_t dj =-1;dj <=1;dj++){
178 Float_t amp = matrix[di+2][dj];
179 if ( (amp<2) && (fLoop<2)){
180 // if under threshold - calculate virtual charge
181 Float_t ratio = TMath::Exp(-1.2*TMath::Abs(di)/sigmay2)*TMath::Exp(-1.2*TMath::Abs(dj)/sigmaz2);
182 amp = ((matrix[2][0]-2)*(matrix[2][0]-2)/(matrix[-di+2][-dj]+2))*ratio;
183 if (amp>2) amp = 2;
184 vmatrix[2+di][2+dj]=amp;
185 vmatrix[2+2*di][2+2*dj]=0;
186 if ( (di*dj)!=0){
187 //DIAGONAL ELEMENTS
188 vmatrix[2+2*di][2+dj] =0;
189 vmatrix[2+di][2+2*dj] =0;
190 }
191 continue;
192 }
193 if (amp<4){
194 //if small amplitude - below 2 x threshold - don't consider other one
195 vmatrix[2+di][2+dj]=amp;
196 vmatrix[2+2*di][2+2*dj]=0; // don't take to the account next bin
197 if ( (di*dj)!=0){
198 //DIAGONAL ELEMENTS
199 vmatrix[2+2*di][2+dj] =0;
200 vmatrix[2+di][2+2*dj] =0;
201 }
202 continue;
203 }
204 //if bigger then take everything
205 vmatrix[2+di][2+dj]=amp;
206 vmatrix[2+2*di][2+2*dj]= matrix[2*di+2][2*dj] ;
207 if ( (di*dj)!=0){
208 //DIAGONAL ELEMENTS
209 vmatrix[2+2*di][2+dj] = matrix[2*di+2][dj];
210 vmatrix[2+di][2+2*dj] = matrix[2+di][dj*2];
211 }
212 }
213
214
215
216 Float_t sumw=0;
217 Float_t sumiw=0;
218 Float_t sumi2w=0;
219 Float_t sumjw=0;
220 Float_t sumj2w=0;
221 //
222 for (Int_t i=-2;i<=2;i++)
223 for (Int_t j=-2;j<=2;j++){
224 Float_t amp = vmatrix[i+2][j+2];
225
226 sumw += amp;
227 sumiw += i*amp;
228 sumi2w += i*i*amp;
229 sumjw += j*amp;
230 sumj2w += j*j*amp;
231 }
232 //
233 Float_t meani = sumiw/sumw;
234 Float_t mi2 = sumi2w/sumw-meani*meani;
235 Float_t meanj = sumjw/sumw;
236 Float_t mj2 = sumj2w/sumw-meanj*meanj;
237 //
238 Float_t ry = mi2/sigmay2;
239 Float_t rz = mj2/sigmaz2;
240
241 //
242 if ( ( (ry<0.6) || (rz<0.6) ) && fLoop==2) return;
194b0609 243 if ( (ry <1.2) && (rz<1.2) || (!fRecoParam->GetDoUnfold())) {
244 //
245 //if cluster looks like expected or Unfolding not switched on
246 //standard COG is used
1c53abe2 247 //+1.2 deviation from expected sigma accepted
248 // c.fMax = FitMax(vmatrix,meani,meanj,TMath::Sqrt(sigmay2),TMath::Sqrt(sigmaz2));
249
250 meani +=i0;
251 meanj +=j0;
252 //set cluster parameters
253 c.SetQ(sumw);
254 c.SetY(meani*fPadWidth);
255 c.SetZ(meanj*fZWidth);
256 c.SetSigmaY2(mi2);
257 c.SetSigmaZ2(mj2);
258 AddCluster(c);
259 //remove cluster data from data
260 for (Int_t di=-2;di<=2;di++)
261 for (Int_t dj=-2;dj<=2;dj++){
13116aec 262 resmatrix[di+2][dj] -= vmatrix[di+2][dj+2];
1c53abe2 263 if (resmatrix[di+2][dj]<0) resmatrix[di+2][dj]=0;
264 }
265 resmatrix[2][0] =0;
266 return;
267 }
268 //
269 //unfolding when neccessary
270 //
271
13116aec 272 Float_t * matrix2[7]; //7x7 matrix with digits - indexing i = 0 ..6 j = -3..3
273 Float_t dummy[7]={0,0,0,0,0,0};
1c53abe2 274 for (Int_t di=-3;di<=3;di++){
275 matrix2[di+3] = &bins[k+di*max];
276 if ((k+di*max)<3) matrix2[di+3] = &dummy[3];
277 if ((k+di*max)>fMaxBin-3) matrix2[di+3] = &dummy[3];
278 }
279 Float_t vmatrix2[5][5];
280 Float_t sumu;
281 Float_t overlap;
282 UnfoldCluster(matrix2,vmatrix2,meani,meanj,sumu,overlap);
283 //
284 // c.fMax = FitMax(vmatrix2,meani,meanj,TMath::Sqrt(sigmay2),TMath::Sqrt(sigmaz2));
285 meani +=i0;
286 meanj +=j0;
287 //set cluster parameters
288 c.SetQ(sumu);
289 c.SetY(meani*fPadWidth);
290 c.SetZ(meanj*fZWidth);
291 c.SetSigmaY2(mi2);
292 c.SetSigmaZ2(mj2);
293 c.SetType(Char_t(overlap)+1);
294 AddCluster(c);
295
296 //unfolding 2
297 meani-=i0;
298 meanj-=j0;
299 if (gDebug>4)
300 printf("%f\t%f\n", vmatrix2[2][2], vmatrix[2][2]);
301}
302
303
304
13116aec 305void AliTPCclustererMI::UnfoldCluster(Float_t * matrix2[7], Float_t recmatrix[5][5], Float_t & meani, Float_t & meanj,
1c53abe2 306 Float_t & sumu, Float_t & overlap )
307{
308 //
309 //unfold cluster from input matrix
310 //data corresponding to cluster writen in recmatrix
311 //output meani and meanj
312
313 //take separatelly y and z
314
315 Float_t sum3i[7] = {0,0,0,0,0,0,0};
316 Float_t sum3j[7] = {0,0,0,0,0,0,0};
317
318 for (Int_t k =0;k<7;k++)
319 for (Int_t l = -1; l<=1;l++){
320 sum3i[k]+=matrix2[k][l];
321 sum3j[k]+=matrix2[l+3][k-3];
322 }
323 Float_t mratio[3][3]={{1,1,1},{1,1,1},{1,1,1}};
324 //
325 //unfold y
326 Float_t sum3wi = 0; //charge minus overlap
327 Float_t sum3wio = 0; //full charge
328 Float_t sum3iw = 0; //sum for mean value
329 for (Int_t dk=-1;dk<=1;dk++){
330 sum3wio+=sum3i[dk+3];
331 if (dk==0){
332 sum3wi+=sum3i[dk+3];
333 }
334 else{
335 Float_t ratio =1;
336 if ( ( ((sum3i[dk+3]+3)/(sum3i[3]-3))+1 < (sum3i[2*dk+3]-3)/(sum3i[dk+3]+3))||
337 sum3i[dk+3]<=sum3i[2*dk+3] && sum3i[dk+3]>2 ){
338 Float_t xm2 = sum3i[-dk+3];
339 Float_t xm1 = sum3i[+3];
340 Float_t x1 = sum3i[2*dk+3];
341 Float_t x2 = sum3i[3*dk+3];
cc5e9db0 342 Float_t w11 = TMath::Max((Float_t)(4.*xm1-xm2),(Float_t)0.000001);
343 Float_t w12 = TMath::Max((Float_t)(4 *x1 -x2),(Float_t)0.);
1c53abe2 344 ratio = w11/(w11+w12);
345 for (Int_t dl=-1;dl<=1;dl++)
346 mratio[dk+1][dl+1] *= ratio;
347 }
348 Float_t amp = sum3i[dk+3]*ratio;
349 sum3wi+=amp;
350 sum3iw+= dk*amp;
351 }
352 }
353 meani = sum3iw/sum3wi;
354 Float_t overlapi = (sum3wio-sum3wi)/sum3wio;
355
356
357
358 //unfold z
359 Float_t sum3wj = 0; //charge minus overlap
360 Float_t sum3wjo = 0; //full charge
361 Float_t sum3jw = 0; //sum for mean value
362 for (Int_t dk=-1;dk<=1;dk++){
363 sum3wjo+=sum3j[dk+3];
364 if (dk==0){
365 sum3wj+=sum3j[dk+3];
366 }
367 else{
368 Float_t ratio =1;
369 if ( ( ((sum3j[dk+3]+3)/(sum3j[3]-3))+1 < (sum3j[2*dk+3]-3)/(sum3j[dk+3]+3)) ||
370 (sum3j[dk+3]<=sum3j[2*dk+3] && sum3j[dk+3]>2)){
371 Float_t xm2 = sum3j[-dk+3];
372 Float_t xm1 = sum3j[+3];
373 Float_t x1 = sum3j[2*dk+3];
374 Float_t x2 = sum3j[3*dk+3];
cc5e9db0 375 Float_t w11 = TMath::Max((Float_t)(4.*xm1-xm2),(Float_t)0.000001);
376 Float_t w12 = TMath::Max((Float_t)(4 *x1 -x2),(Float_t)0.);
1c53abe2 377 ratio = w11/(w11+w12);
378 for (Int_t dl=-1;dl<=1;dl++)
379 mratio[dl+1][dk+1] *= ratio;
380 }
381 Float_t amp = sum3j[dk+3]*ratio;
382 sum3wj+=amp;
383 sum3jw+= dk*amp;
384 }
385 }
386 meanj = sum3jw/sum3wj;
387 Float_t overlapj = (sum3wjo-sum3wj)/sum3wjo;
388 overlap = Int_t(100*TMath::Max(overlapi,overlapj)+3);
389 sumu = (sum3wj+sum3wi)/2.;
390
391 if (overlap ==3) {
392 //if not overlap detected remove everything
393 for (Int_t di =-2; di<=2;di++)
394 for (Int_t dj =-2; dj<=2;dj++){
395 recmatrix[di+2][dj+2] = matrix2[3+di][dj];
396 }
397 }
398 else{
399 for (Int_t di =-1; di<=1;di++)
400 for (Int_t dj =-1; dj<=1;dj++){
401 Float_t ratio =1;
402 if (mratio[di+1][dj+1]==1){
403 recmatrix[di+2][dj+2] = matrix2[3+di][dj];
404 if (TMath::Abs(di)+TMath::Abs(dj)>1){
405 recmatrix[2*di+2][dj+2] = matrix2[3+2*di][dj];
406 recmatrix[di+2][2*dj+2] = matrix2[3+di][2*dj];
407 }
408 recmatrix[2*di+2][2*dj+2] = matrix2[3+2*di][2*dj];
409 }
410 else
411 {
412 //if we have overlap in direction
413 recmatrix[di+2][dj+2] = mratio[di+1][dj+1]* matrix2[3+di][dj];
414 if (TMath::Abs(di)+TMath::Abs(dj)>1){
cc5e9db0 415 ratio = TMath::Min((Float_t)(recmatrix[di+2][dj+2]/(matrix2[3+0*di][1*dj]+1)),(Float_t)1.);
1c53abe2 416 recmatrix[2*di+2][dj+2] = ratio*recmatrix[di+2][dj+2];
417 //
cc5e9db0 418 ratio = TMath::Min((Float_t)(recmatrix[di+2][dj+2]/(matrix2[3+1*di][0*dj]+1)),(Float_t)1.);
1c53abe2 419 recmatrix[di+2][2*dj+2] = ratio*recmatrix[di+2][dj+2];
420 }
421 else{
422 ratio = recmatrix[di+2][dj+2]/matrix2[3][0];
423 recmatrix[2*di+2][2*dj+2] = ratio*recmatrix[di+2][dj+2];
424 }
425 }
426 }
427 }
428 if (gDebug>4)
429 printf("%f\n", recmatrix[2][2]);
430
431}
432
433Float_t AliTPCclustererMI::FitMax(Float_t vmatrix[5][5], Float_t y, Float_t z, Float_t sigmay, Float_t sigmaz)
434{
435 //
436 // estimate max
437 Float_t sumteor= 0;
438 Float_t sumamp = 0;
439
440 for (Int_t di = -1;di<=1;di++)
441 for (Int_t dj = -1;dj<=1;dj++){
442 if (vmatrix[2+di][2+dj]>2){
443 Float_t teor = TMath::Gaus(di,y,sigmay*1.2)*TMath::Gaus(dj,z,sigmaz*1.2);
444 sumteor += teor*vmatrix[2+di][2+dj];
445 sumamp += vmatrix[2+di][2+dj]*vmatrix[2+di][2+dj];
446 }
447 }
448 Float_t max = sumamp/sumteor;
449 return max;
450}
451
452void AliTPCclustererMI::AddCluster(AliTPCclusterMI &c){
453 //
454 // transform cluster to the global coordinata
455 // add the cluster to the array
456 //
457 Float_t meani = c.GetY()/fPadWidth;
458 Float_t meanj = c.GetZ()/fZWidth;
459
460 Int_t ki = TMath::Nint(meani-3);
461 if (ki<0) ki=0;
462 if (ki>=fMaxPad) ki = fMaxPad-1;
463 Int_t kj = TMath::Nint(meanj-3);
464 if (kj<0) kj=0;
465 if (kj>=fMaxTime-3) kj=fMaxTime-4;
466 // ki and kj shifted to "real" coordinata
f8aae377 467 if (fRowDig) {
468 c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,0)-2,0);
469 c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,1)-2,1);
470 c.SetLabel(fRowDig->GetTrackIDFast(kj,ki,2)-2,2);
471 }
1c53abe2 472
473
474 Float_t s2 = c.GetSigmaY2();
475 Float_t w=fParam->GetPadPitchWidth(fSector);
476
477 c.SetSigmaY2(s2*w*w);
478 s2 = c.GetSigmaZ2();
479 w=fZWidth;
480 c.SetSigmaZ2(s2*w*w);
481 c.SetY((meani - 2.5 - 0.5*fMaxPad)*fParam->GetPadPitchWidth(fSector));
482 c.SetZ(fZWidth*(meanj-3));
753797ce 483 c.SetZ(c.GetZ() - 3.*fParam->GetZSigma() + fParam->GetNTBinsL1()*fParam->GetZWidth()); // PASA delay + L1 delay
1c53abe2 484 c.SetZ(fSign*(fParam->GetZLength() - c.GetZ()));
508541c7 485 c.SetX(fRx);
486 c.SetDetector(fSector);
487 c.SetRow(fRow);
488
1c53abe2 489 if (ki<=1 || ki>=fMaxPad-1 || kj==1 || kj==fMaxTime-2) {
490 //c.SetSigmaY2(c.GetSigmaY2()*25.);
491 //c.SetSigmaZ2(c.GetSigmaZ2()*4.);
492 c.SetType(-(c.GetType()+3)); //edge clusters
493 }
494 if (fLoop==2) c.SetType(100);
495
496 TClonesArray * arr = fRowCl->GetArray();
45bcf167 497 // AliTPCclusterMI * cl =
498 new ((*arr)[fNcluster]) AliTPCclusterMI(c);
1c53abe2 499
500 fNcluster++;
501}
502
503
504//_____________________________________________________________________________
f8aae377 505void AliTPCclustererMI::Digits2Clusters()
1c53abe2 506{
507 //-----------------------------------------------------------------
508 // This is a simple cluster finder.
509 //-----------------------------------------------------------------
1c53abe2 510
f8aae377 511 if (!fInput) {
512 Error("Digits2Clusters", "input tree not initialised");
1c53abe2 513 return;
514 }
515
f8aae377 516 if (!fOutput) {
517 Error("Digits2Clusters", "output tree not initialised");
518 return;
1c53abe2 519 }
520
13116aec 521 AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor();
522
1c53abe2 523 AliSimDigits digarr, *dummy=&digarr;
524 fRowDig = dummy;
525 fInput->GetBranch("Segment")->SetAddress(&dummy);
526 Stat_t nentries = fInput->GetEntries();
527
f8aae377 528 fMaxTime=fParam->GetMaxTBin()+6; // add 3 virtual time bins before and 3 after
1c53abe2 529
1c53abe2 530 Int_t nclusters = 0;
13116aec 531
1c53abe2 532 for (Int_t n=0; n<nentries; n++) {
533 fInput->GetEvent(n);
508541c7 534 if (!fParam->AdjustSectorRow(digarr.GetID(),fSector,fRow)) {
1c53abe2 535 cerr<<"AliTPC warning: invalid segment ID ! "<<digarr.GetID()<<endl;
536 continue;
537 }
508541c7 538 Int_t row = fRow;
13116aec 539 AliTPCCalROC * gainROC = gainTPC->GetCalROC(fSector); // pad gains per given sector
540
541 //
1c53abe2 542 AliTPCClustersRow *clrow= new AliTPCClustersRow();
543 fRowCl = clrow;
544 clrow->SetClass("AliTPCclusterMI");
545 clrow->SetArray(1);
546
547 clrow->SetID(digarr.GetID());
548 fOutput->GetBranch("Segment")->SetAddress(&clrow);
f8aae377 549 fRx=fParam->GetPadRowRadii(fSector,row);
1c53abe2 550
551
f8aae377 552 const Int_t kNIS=fParam->GetNInnerSector(), kNOS=fParam->GetNOuterSector();
1c53abe2 553 fZWidth = fParam->GetZWidth();
554 if (fSector < kNIS) {
f8aae377 555 fMaxPad = fParam->GetNPadsLow(row);
1c53abe2 556 fSign = (fSector < kNIS/2) ? 1 : -1;
f8aae377 557 fPadLength = fParam->GetPadPitchLength(fSector,row);
558 fPadWidth = fParam->GetPadPitchWidth();
1c53abe2 559 } else {
f8aae377 560 fMaxPad = fParam->GetNPadsUp(row);
1c53abe2 561 fSign = ((fSector-kNIS) < kNOS/2) ? 1 : -1;
f8aae377 562 fPadLength = fParam->GetPadPitchLength(fSector,row);
563 fPadWidth = fParam->GetPadPitchWidth();
1c53abe2 564 }
565
566
567 fMaxBin=fMaxTime*(fMaxPad+6); // add 3 virtual pads before and 3 after
13116aec 568 fBins =new Float_t[fMaxBin];
569 fResBins =new Float_t[fMaxBin]; //fBins with residuals after 1 finder loop
570 memset(fBins,0,sizeof(Float_t)*fMaxBin);
571 memset(fResBins,0,sizeof(Float_t)*fMaxBin);
1c53abe2 572
573 if (digarr.First()) //MI change
574 do {
13116aec 575 Float_t dig=digarr.CurrentDigit();
f8aae377 576 if (dig<=fParam->GetZeroSup()) continue;
1c53abe2 577 Int_t j=digarr.CurrentRow()+3, i=digarr.CurrentColumn()+3;
9d4f75a9 578 Float_t gain = gainROC->GetValue(row,digarr.CurrentColumn());
13116aec 579 fBins[i*fMaxTime+j]=dig/gain;
1c53abe2 580 } while (digarr.Next());
581 digarr.ExpandTrackBuffer();
582
f8aae377 583 FindClusters();
8569a2b0 584
585 fOutput->Fill();
88cb7938 586 delete clrow;
587 nclusters+=fNcluster;
8569a2b0 588 delete[] fBins;
589 delete[] fResBins;
88cb7938 590 }
f8aae377 591
19dd5b2f 592 Info("Digits2Clusters", "Number of found clusters : %d", nclusters);
f8aae377 593}
594
595void AliTPCclustererMI::Digits2Clusters(AliRawReader* rawReader)
596{
597//-----------------------------------------------------------------
22c352f8 598// This is a cluster finder for the TPC raw data.
599// The method assumes NO ordering of the altro channels.
600// The pedestal subtraction can be switched on and off
601// using an option of the TPC reconstructor
f8aae377 602//-----------------------------------------------------------------
603
604 if (!fOutput) {
605 Error("Digits2Clusters", "output tree not initialised");
606 return;
607 }
608
f8aae377 609 fRowDig = NULL;
610
22c352f8 611 AliTPCCalPad * gainTPC = AliTPCcalibDB::Instance()->GetPadGainFactor();
612
f8aae377 613 Int_t nclusters = 0;
88cb7938 614
f8aae377 615 fMaxTime = fParam->GetMaxTBin() + 6; // add 3 virtual time bins before and 3 after
616 const Int_t kNIS = fParam->GetNInnerSector();
617 const Int_t kNOS = fParam->GetNOuterSector();
618 const Int_t kNS = kNIS + kNOS;
619 fZWidth = fParam->GetZWidth();
620 Int_t zeroSup = fParam->GetZeroSup();
621
22c352f8 622 Float_t** allBins = NULL;
623 Float_t** allBinsRes = NULL;
f8aae377 624
22c352f8 625 // Loop over sectors
626 for(fSector = 0; fSector < kNS; fSector++) {
f8aae377 627
22c352f8 628 AliTPCCalROC * gainROC = gainTPC->GetCalROC(fSector); // pad gains per given sector
629
630 Int_t nRows = 0;
631 Int_t nDDLs = 0, indexDDL = 0;
632 if (fSector < kNIS) {
633 nRows = fParam->GetNRowLow();
634 fSign = (fSector < kNIS/2) ? 1 : -1;
635 nDDLs = 2;
636 indexDDL = fSector * 2;
637 }
638 else {
639 nRows = fParam->GetNRowUp();
640 fSign = ((fSector-kNIS) < kNOS/2) ? 1 : -1;
641 nDDLs = 4;
642 indexDDL = (fSector-kNIS) * 4 + kNIS * 2;
643 }
644
645 allBins = new Float_t*[nRows];
646 allBinsRes = new Float_t*[nRows];
647
648 for (Int_t iRow = 0; iRow < nRows; iRow++) {
649 Int_t maxPad;
650 if (fSector < kNIS)
651 maxPad = fParam->GetNPadsLow(iRow);
652 else
653 maxPad = fParam->GetNPadsUp(iRow);
654
655 Int_t maxBin = fMaxTime*(maxPad+6); // add 3 virtual pads before and 3 after
656 allBins[iRow] = new Float_t[maxBin];
657 allBinsRes[iRow] = new Float_t[maxBin];
658 memset(allBins[iRow],0,sizeof(Float_t)*maxBin);
659 memset(allBinsRes[iRow],0,sizeof(Float_t)*maxBin);
660 }
661
662 // Loas the raw data for corresponding DDLs
663 rawReader->Reset();
664 AliTPCRawStream input(rawReader);
665 input.SetOldRCUFormat(fIsOldRCUFormat);
362c9d61 666 rawReader->Select("TPC",indexDDL,indexDDL+nDDLs-1);
f8aae377 667
22c352f8 668 // Begin loop over altro data
669 while (input.Next()) {
670
671 if (input.GetSector() != fSector)
672 AliFatal(Form("Sector index mismatch ! Expected (%d), but got (%d) !",fSector,input.GetSector()));
673
22c352f8 674
675 Int_t iRow = input.GetRow();
676 if (iRow < 0 || iRow >= nRows)
677 AliFatal(Form("Pad-row index (%d) outside the range (%d -> %d) !",
678 iRow, 0, nRows -1));
679
680 Int_t iPad = input.GetPad() + 3;
681
682 Int_t maxPad;
683 if (fSector < kNIS)
684 maxPad = fParam->GetNPadsLow(iRow);
685 else
686 maxPad = fParam->GetNPadsUp(iRow);
687
688 if (input.GetPad() < 0 || input.GetPad() >= maxPad)
689 AliFatal(Form("Pad index (%d) outside the range (%d -> %d) !",
690 input.GetPad(), 0, maxPad -1));
691
692 Int_t iTimeBin = input.GetTime() + 3;
693 if ( input.GetTime() < 0 || input.GetTime() >= fParam->GetMaxTBin())
694 AliFatal(Form("Timebin index (%d) outside the range (%d -> %d) !",
695 input.GetTime(), 0, fParam->GetMaxTBin() -1));
696
697 Int_t maxBin = fMaxTime*(maxPad+6); // add 3 virtual pads before and 3 after
698
699 if (((iPad*fMaxTime+iTimeBin) >= maxBin) ||
700 ((iPad*fMaxTime+iTimeBin) < 0))
701 AliFatal(Form("Index outside the allowed range"
702 " Sector=%d Row=%d Pad=%d Timebin=%d"
703 " (Max.index=%d)",fSector,iRow,iPad,iTimeBin,maxBin));
704
705 Float_t signal = input.GetSignal();
194b0609 706 // if (!fPedSubtraction && signal <= zeroSup) continue;
707 if (!fRecoParam->GetCalcPedestal() && signal <= zeroSup) continue;
22c352f8 708
709 Float_t gain = gainROC->GetValue(iRow,input.GetPad());
710 allBins[iRow][iPad*fMaxTime+iTimeBin] = signal/gain;
65c045f0 711 allBins[iRow][iPad*fMaxTime+0] = 1; // pad with signal
22c352f8 712 } // End of the loop over altro data
713
714 // Now loop over rows and perform pedestal subtraction
194b0609 715 // if (fPedSubtraction) {
716 if (fRecoParam->GetCalcPedestal()) {
22c352f8 717 for (Int_t iRow = 0; iRow < nRows; iRow++) {
718 Int_t maxPad;
719 if (fSector < kNIS)
720 maxPad = fParam->GetNPadsLow(iRow);
721 else
722 maxPad = fParam->GetNPadsUp(iRow);
723
724 for (Int_t iPad = 0; iPad < maxPad + 6; iPad++) {
65c045f0 725 if (allBins[iRow][iPad*fMaxTime+0] !=1) continue; // no data
22c352f8 726 Float_t *p = &allBins[iRow][iPad*fMaxTime+3];
65c045f0 727 //Float_t pedestal = TMath::Median(fMaxTime, p);
728 Int_t id[3] = {fSector, iRow, iPad-3};
729 Float_t pedestal = ProcesSignal(p, fMaxTime, id);
22c352f8 730 for (Int_t iTimeBin = 0; iTimeBin < fMaxTime; iTimeBin++) {
731 allBins[iRow][iPad*fMaxTime+iTimeBin] -= pedestal;
7fef31a6 732 if (iTimeBin < AliTPCReconstructor::GetRecoParam()->GetFirstBin())
733 allBins[iRow][iPad*fMaxTime+iTimeBin] = 0;
734 if (iTimeBin > AliTPCReconstructor::GetRecoParam()->GetLastBin())
735 allBins[iRow][iPad*fMaxTime+iTimeBin] = 0;
22c352f8 736 if (allBins[iRow][iPad*fMaxTime+iTimeBin] < zeroSup)
737 allBins[iRow][iPad*fMaxTime+iTimeBin] = 0;
738 }
739 }
f8aae377 740 }
22c352f8 741 }
742
743 // Now loop over rows and find clusters
744 for (fRow = 0; fRow < nRows; fRow++) {
745 fRowCl = new AliTPCClustersRow;
746 fRowCl->SetClass("AliTPCclusterMI");
747 fRowCl->SetArray(1);
748 fRowCl->SetID(fParam->GetIndex(fSector, fRow));
749 fOutput->GetBranch("Segment")->SetAddress(&fRowCl);
750
751 fRx = fParam->GetPadRowRadii(fSector, fRow);
752 fPadLength = fParam->GetPadPitchLength(fSector, fRow);
f8aae377 753 fPadWidth = fParam->GetPadPitchWidth();
22c352f8 754 if (fSector < kNIS)
755 fMaxPad = fParam->GetNPadsLow(fRow);
756 else
757 fMaxPad = fParam->GetNPadsUp(fRow);
f8aae377 758 fMaxBin = fMaxTime*(fMaxPad+6); // add 3 virtual pads before and 3 after
22c352f8 759
760 fBins = allBins[fRow];
761 fResBins = allBinsRes[fRow];
762
763 FindClusters();
764
765 fOutput->Fill();
766 delete fRowCl;
767 nclusters += fNcluster;
768 } // End of loop to find clusters
769
770
771 for (Int_t iRow = 0; iRow < nRows; iRow++) {
772 delete [] allBins[iRow];
773 delete [] allBinsRes[iRow];
f8aae377 774 }
775
22c352f8 776 delete [] allBins;
777 delete [] allBinsRes;
f8aae377 778
22c352f8 779 } // End of loop over sectors
f8aae377 780
f8aae377 781 Info("Digits2Clusters", "Number of found clusters : %d\n", nclusters);
22c352f8 782
f8aae377 783}
784
785void AliTPCclustererMI::FindClusters()
786{
787 //add virtual charge at the edge
788 for (Int_t i=0; i<fMaxTime; i++){
789 Float_t amp1 = fBins[i+3*fMaxTime];
790 Float_t amp0 =0;
791 if (amp1>0){
792 Float_t amp2 = fBins[i+4*fMaxTime];
793 if (amp2==0) amp2=0.5;
794 Float_t sigma2 = GetSigmaY2(i);
795 amp0 = (amp1*amp1/amp2)*TMath::Exp(-1./sigma2);
796 if (gDebug>4) printf("\n%f\n",amp0);
797 }
13116aec 798 fBins[i+2*fMaxTime] = amp0;
f8aae377 799 amp0 = 0;
800 amp1 = fBins[(fMaxPad+2)*fMaxTime+i];
801 if (amp1>0){
802 Float_t amp2 = fBins[i+(fMaxPad+1)*fMaxTime];
803 if (amp2==0) amp2=0.5;
804 Float_t sigma2 = GetSigmaY2(i);
805 amp0 = (amp1*amp1/amp2)*TMath::Exp(-1./sigma2);
806 if (gDebug>4) printf("\n%f\n",amp0);
807 }
13116aec 808 fBins[(fMaxPad+3)*fMaxTime+i] = amp0;
f8aae377 809 }
810
811// memcpy(fResBins,fBins, fMaxBin*2);
812 memcpy(fResBins,fBins, fMaxBin);
813 //
814 fNcluster=0;
815 //first loop - for "gold cluster"
816 fLoop=1;
13116aec 817 Float_t *b=&fBins[-1]+2*fMaxTime;
194b0609 818 Int_t crtime = Int_t((fParam->GetZLength()-fRecoParam->GetCtgRange()*fRx)/fZWidth-fParam->GetNTBinsL1()-5);
f8aae377 819
820 for (Int_t i=2*fMaxTime; i<fMaxBin-2*fMaxTime; i++) {
821 b++;
822 if (*b<8) continue; //threshold form maxima
823 if (i%fMaxTime<crtime) {
824 Int_t delta = -(i%fMaxTime)+crtime;
825 b+=delta;
826 i+=delta;
827 continue;
828 }
829
830 if (!IsMaximum(*b,fMaxTime,b)) continue;
831 AliTPCclusterMI c;
832 Int_t dummy=0;
833 MakeCluster(i, fMaxTime, fBins, dummy,c);
834 //}
835 }
836 //memcpy(fBins,fResBins, fMaxBin*2);
837 //second loop - for rest cluster
838 /*
839 fLoop=2;
840 b=&fResBins[-1]+2*fMaxTime;
841 for (Int_t i=2*fMaxTime; i<fMaxBin-2*fMaxTime; i++) {
842 b++;
843 if (*b<25) continue; // bigger threshold for maxima
844 if (!IsMaximum(*b,fMaxTime,b)) continue;
845 AliTPCclusterMI c;
846 Int_t dummy;
847 MakeCluster(i, fMaxTime, fResBins, dummy,c);
848 //}
849 }
850 */
8569a2b0 851}
65c045f0 852
853
854Double_t AliTPCclustererMI::ProcesSignal(Float_t *signal, Int_t nchannels, Int_t id[3]){
855 //
856 // process signal on given pad - + streaming of additional information in special mode
857 //
858 // id[0] - sector
859 // id[1] - row
860 // id[2] - pad
861 Int_t offset =100;
194b0609 862 Float_t kMin =fRecoParam->GetDumpAmplitudeMin(); // minimal signal to be dumped
65c045f0 863 Double_t median = TMath::Median(nchannels-offset, &(signal[offset]));
864 if (AliLog::GetDebugLevel("","AliTPCclustererMI")==0) return median;
865 //
866
867 Double_t mean = TMath::Mean(nchannels-offset, &(signal[offset]));
868 Double_t rms = TMath::RMS(nchannels-offset, &(signal[offset]));
869 Double_t *dsignal = new Double_t[nchannels];
870 Double_t *dtime = new Double_t[nchannels];
871 Float_t max = 0;
872 Float_t maxPos = 0;
873 for (Int_t i=0; i<nchannels; i++){
874 dtime[i] = i;
875 dsignal[i] = signal[i];
bd85a5e8 876 if (i<offset) continue;
65c045f0 877 if (signal[i]>max && i <fMaxTime-100) { // temporary remove spike signals at the end
878 max = signal[i];
879 maxPos = i;
880 }
881 }
882
194b0609 883 Double_t mean06=0, mean09=0;
884 Double_t rms06=0, rms09=0;
65c045f0 885 AliMathBase::EvaluateUni(nchannels-offset, &(dsignal[offset]), mean06, rms06, int(0.6*(nchannels-offset)));
65c045f0 886 AliMathBase::EvaluateUni(nchannels-offset, &(dsignal[offset]), mean09, rms09, int(0.9*(nchannels-offset)));
7fef31a6 887 //
65c045f0 888 //
889 UInt_t uid[3] = {UInt_t(id[0]),UInt_t(id[1]),UInt_t(id[2])};
890 if (uid[0]< AliTPCROC::Instance()->GetNSectors()
891 && uid[1]< AliTPCROC::Instance()->GetNRows(uid[0]) &&
892 uid[2] < AliTPCROC::Instance()->GetNPads(uid[0], uid[1])){
893 if (!fAmplitudeHisto){
894 fAmplitudeHisto = new TObjArray(72);
895 }
896 TObjArray * sectorArray = (TObjArray*)fAmplitudeHisto->UncheckedAt(uid[0]);
897 if (!sectorArray){
898 Int_t npads = AliTPCROC::Instance()->GetNChannels(uid[0]);
899 sectorArray = new TObjArray(npads);
900 fAmplitudeHisto->AddAt(sectorArray, uid[0]);
901 }
902 Int_t position = uid[2]+ AliTPCROC::Instance()->GetRowIndexes(uid[0])[uid[1]];
903 TH1F * histo = (TH1F*)sectorArray->UncheckedAt(position);
904 if (!histo){
905 char hname[100];
906 sprintf(hname,"Amp_%d_%d_%d",uid[0],uid[1],uid[2]);
907 TFile * backup = gFile;
908 fDebugStreamer->GetFile()->cd();
194b0609 909 histo = new TH1F(hname, hname, 100, 5,100);
65c045f0 910 //histo->SetDirectory(0); // histogram not connected to directory -(File)
911 sectorArray->AddAt(histo, position);
912 if (backup) backup->cd();
913 }
914 for (Int_t i=0; i<nchannels; i++){
915 if (signal[i]>0) histo->Fill(signal[i]);
916 }
917 }
918 //
919 TGraph * graph;
920 Bool_t random = (gRandom->Rndm()<0.0001);
921 if (max-median>kMin || rms06>2.*fParam->GetZeroSup() || random){
922 graph =new TGraph(nchannels, dtime, dsignal);
923 if (rms06>2.*fParam->GetZeroSup() || random)
924 (*fDebugStreamer)<<"SignalN"<< //noise pads - or random sample of pads
925 "Sector="<<uid[0]<<
926 "Row="<<uid[1]<<
927 "Pad="<<uid[2]<<
864c1803 928 "Graph="<<graph<<
65c045f0 929 "Max="<<max<<
930 "MaxPos="<<maxPos<<
931 //
932 "Median="<<median<<
933 "Mean="<<mean<<
934 "RMS="<<rms<<
935 "Mean06="<<mean06<<
936 "RMS06="<<rms06<<
65c045f0 937 "Mean09="<<mean09<<
938 "RMS09="<<rms09<<
939 "\n";
940 if (max-median>kMin)
941 (*fDebugStreamer)<<"SignalB"<< // pads with signal
942 "Sector="<<uid[0]<<
943 "Row="<<uid[1]<<
944 "Pad="<<uid[2]<<
864c1803 945 "Graph="<<graph<<
65c045f0 946 "Max="<<max<<
947 "MaxPos="<<maxPos<<
948 //
949 "Median="<<median<<
950 "Mean="<<mean<<
951 "RMS="<<rms<<
952 "Mean06="<<mean06<<
953 "RMS06="<<rms06<<
65c045f0 954 "Mean09="<<mean09<<
955 "RMS09="<<rms09<<
956 "\n";
957 delete graph;
958 }
959
960 (*fDebugStreamer)<<"Signal"<<
961 "Sector="<<uid[0]<<
962 "Row="<<uid[1]<<
963 "Pad="<<uid[2]<<
964 "Max="<<max<<
965 "MaxPos="<<maxPos<<
966 //
967 "Median="<<median<<
968 "Mean="<<mean<<
969 "RMS="<<rms<<
970 "Mean06="<<mean06<<
971 "RMS06="<<rms06<<
65c045f0 972 "Mean09="<<mean09<<
973 "RMS09="<<rms09<<
974 "\n";
7fef31a6 975 //
976 //
977 // Central Electrode signal analysis
978 //
979 Double_t ceQmax =0, ceQsum=0, ceTime=0;
980 Double_t cemean = mean06, cerms=rms06 ;
981 Int_t cemaxpos= 0;
982 Double_t ceThreshold=5.*cerms;
983 Double_t ceSumThreshold=8.*cerms;
984 const Int_t cemin=5; // range for the analysis of the ce signal +- channels from the peak
985 const Int_t cemax=5;
bd85a5e8 986 for (Int_t i=nchannels-2; i>1; i--){
7fef31a6 987 if ( (dsignal[i]-mean06)>ceThreshold && dsignal[i]>=dsignal[i+1] && dsignal[i]>=dsignal[i-1] ){
988 cemaxpos=i;
989 break;
990 }
991 }
992 if (cemaxpos!=0){
993 for (Int_t i=cemaxpos-cemin; i<cemaxpos+cemax; i++){
bd85a5e8 994 if (i>0 && i<nchannels&&dsignal[i]- cemean>0){
7fef31a6 995 Double_t val=dsignal[i]- cemean;
996 ceTime+=val*dtime[i];
997 ceQsum+=val;
998 if (val>ceQmax) ceQmax=val;
999 }
1000 }
1001 if (ceQmax&&ceQsum>ceSumThreshold) {
1002 ceTime/=ceQsum;
1003 (*fDebugStreamer)<<"Signalce"<<
1004 "Sector="<<uid[0]<<
1005 "Row="<<uid[1]<<
1006 "Pad="<<uid[2]<<
1007 "Max="<<ceQmax<<
1008 "Qsum="<<ceQsum<<
1009 "Time="<<ceTime<<
bd85a5e8 1010 "RMS06="<<rms06<<
7fef31a6 1011 //
1012 "\n";
1013 }
1014 }
1015 // end of ce signal analysis
1016 //
1017
1018 //
1019 // Gating grid signal analysis
1020 //
1021 Double_t ggQmax =0, ggQsum=0, ggTime=0;
1022 Double_t ggmean = mean06, ggrms=rms06 ;
1023 Int_t ggmaxpos= 0;
1024 Double_t ggThreshold=5.*ggrms;
1025 Double_t ggSumThreshold=8.*ggrms;
bd85a5e8 1026
1027 for (Int_t i=1; i<nchannels-1; i++){
1028 if ( (dsignal[i]-mean06)>ggThreshold && dsignal[i]>=dsignal[i+1] && dsignal[i]>=dsignal[i-1] &&
1029 (dsignal[i]+dsignal[i+1]+dsignal[i-1]-3*mean06)>ggSumThreshold){
7fef31a6 1030 ggmaxpos=i;
bd85a5e8 1031 if (dsignal[i-1]>dsignal[i+1]) ggmaxpos=i-1;
7fef31a6 1032 break;
1033 }
1034 }
1035 if (ggmaxpos!=0){
bd85a5e8 1036 for (Int_t i=ggmaxpos-1; i<ggmaxpos+3; i++){
1037 if (i>0 && i<nchannels && dsignal[i]-ggmean>0){
7fef31a6 1038 Double_t val=dsignal[i]- ggmean;
1039 ggTime+=val*dtime[i];
1040 ggQsum+=val;
1041 if (val>ggQmax) ggQmax=val;
1042 }
1043 }
1044 if (ggQmax&&ggQsum>ggSumThreshold) {
1045 ggTime/=ggQsum;
1046 (*fDebugStreamer)<<"Signalgg"<<
1047 "Sector="<<uid[0]<<
1048 "Row="<<uid[1]<<
1049 "Pad="<<uid[2]<<
1050 "Max="<<ggQmax<<
1051 "Qsum="<<ggQsum<<
1052 "Time="<<ggTime<<
bd85a5e8 1053 "RMS06="<<rms06<<
7fef31a6 1054 //
1055 "\n";
1056 }
1057 }
1058 // end of gg signal analysis
1059
1060
65c045f0 1061 delete [] dsignal;
1062 delete [] dtime;
194b0609 1063 if (rms06>fRecoParam->GetMaxNoise()) return 1024+median; // sign noisy channel in debug mode
65c045f0 1064 return median;
1065}
1066
1067
1068
1069void AliTPCclustererMI::DumpHistos(){
1070 if (!fAmplitudeHisto) return;
1071 for (UInt_t isector=0; isector<AliTPCROC::Instance()->GetNSectors(); isector++){
1072 TObjArray * array = (TObjArray*)fAmplitudeHisto->UncheckedAt(isector);
1073 if (!array) continue;
1074 for (UInt_t ipad = 0; ipad <(UInt_t)array->GetEntriesFast(); ipad++){
1075 TH1F * histo = (TH1F*) array->UncheckedAt(ipad);
1076 if (!histo) continue;
1077 if (histo->GetEntries()<100) continue;
1078 histo->Fit("gaus","q");
1079 Float_t mean = histo->GetMean();
1080 Float_t rms = histo->GetRMS();
1081 Float_t gmean = histo->GetFunction("gaus")->GetParameter(1);
1082 Float_t gsigma = histo->GetFunction("gaus")->GetParameter(2);
1083 Float_t max = histo->GetFunction("gaus")->GetParameter(0);
1084
1085 // get pad number
1086 UInt_t row=0, pad =0;
1087 const UInt_t *indexes = AliTPCROC::Instance()->GetRowIndexes(isector);
1088 for (UInt_t irow=0; irow< AliTPCROC::Instance()->GetNRows(isector); irow++){
1089 if (indexes[irow]<ipad){
1090 row = irow;
1091 pad = ipad-indexes[irow];
1092 }
1093 }
1094 Int_t rpad = pad - (AliTPCROC::Instance()->GetNPads(isector,row))/2;
1095 //
1096 (*fDebugStreamer)<<"Fit"<<
1097 "Sector="<<isector<<
1098 "Row="<<row<<
1099 "Pad="<<pad<<
1100 "RPad="<<rpad<<
1101 "Max="<<max<<
1102 "Mean="<<mean<<
1103 "RMS="<<rms<<
1104 "GMean="<<gmean<<
1105 "GSigma="<<gsigma<<
1106 "\n";
1107 if (array->UncheckedAt(ipad)) fDebugStreamer->StoreObject(array->UncheckedAt(ipad));
1108 }
1109 }
1110}