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b0f5e3fc 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 **************************************************************************/
d86f531c 15/*
16 $Id$
d86f531c 17 */
04366a57 18///////////////////////////////////////////////////////////////////////////
19// Cluster finder //
20// for Silicon //
21// Drift Detector //
22//////////////////////////////////////////////////////////////////////////
bf3f2830 23
b0f5e3fc 24
25#include "AliITSClusterFinderSDD.h"
e8189707 26#include "AliITSMapA1.h"
41b19549 27#include "AliITSRawClusterSDD.h"
78a228db 28#include "AliITSRecPoint.h"
f77f13c8 29#include "AliITSdigitSDD.h"
7d62fb64 30#include "AliITSDetTypeRec.h"
5dd4cc39 31#include "AliITSresponseSDD.h"
f77f13c8 32#include "AliITSsegmentationSDD.h"
33#include "AliLog.h"
b0f5e3fc 34
b0f5e3fc 35ClassImp(AliITSClusterFinderSDD)
36
aacedc3e 37//______________________________________________________________________
38AliITSClusterFinderSDD::AliITSClusterFinderSDD():
39AliITSClusterFinder(),
40fNclusters(0),
41fDAnode(0.0),
42fDTime(0.0),
43fTimeCorr(0.0),
44fCutAmplitude(0),
45fMinPeak(0),
46fMinCharge(0),
47fMinNCells(0),
48fMaxNCells(0){
49 // default constructor
50}
42da2935 51//______________________________________________________________________
52AliITSClusterFinderSDD::AliITSClusterFinderSDD(AliITSsegmentation *seg,
50d05d7b 53 AliITSresponse *response,
54 TClonesArray *digits,
aacedc3e 55 TClonesArray *recp):
56AliITSClusterFinder(seg,response),
57fNclusters(0),
58fDAnode(0.0),
59fDTime(0.0),
60fTimeCorr(0.0),
61fCutAmplitude(0),
62fMinPeak(0),
63fMinCharge(0),
64fMinNCells(0),
65fMaxNCells(0){
42da2935 66 // standard constructor
78a228db 67
aacedc3e 68 SetDigits(digits);
69 SetClusters(recp);
b0f5e3fc 70 SetCutAmplitude();
71 SetDAnode();
72 SetDTime();
aacedc3e 73 SetMinPeak((Int_t)(((AliITSresponseSDD*)GetResp())->
74 GetNoiseAfterElectronics()*5));
355ccb70 75 // SetMinPeak();
78a228db 76 SetMinNCells();
77 SetMaxNCells();
78 SetTimeCorr();
a1f090e0 79 SetMinCharge();
aacedc3e 80 SetMap(new AliITSMapA1(GetSeg(),Digits(),fCutAmplitude));
e8189707 81}
42da2935 82//______________________________________________________________________
aacedc3e 83void AliITSClusterFinderSDD::SetCutAmplitude(Double_t nsigma){
42da2935 84 // set the signal threshold for cluster finder
aacedc3e 85 Double_t baseline,noise,noiseAfterEl;
42da2935 86
aacedc3e 87 GetResp()->GetNoiseParam(noise,baseline);
88 noiseAfterEl = ((AliITSresponseSDD*)GetResp())->GetNoiseAfterElectronics();
bf3f2830 89 fCutAmplitude = (Int_t)((baseline + nsigma*noiseAfterEl));
5dd4cc39 90}
42da2935 91//______________________________________________________________________
92void AliITSClusterFinderSDD::Find1DClusters(){
93 // find 1D clusters
a1f090e0 94
42da2935 95 // retrieve the parameters
aacedc3e 96 Int_t fNofMaps = GetSeg()->Npz();
97 Int_t fMaxNofSamples = GetSeg()->Npx();
b48af428 98 Int_t fNofAnodes = fNofMaps/2;
99 Int_t dummy = 0;
aacedc3e 100 Double_t fTimeStep = GetSeg()->Dpx(dummy);
101 Double_t fSddLength = GetSeg()->Dx();
102 Double_t fDriftSpeed = GetResp()->DriftSpeed();
103 Double_t anodePitch = GetSeg()->Dpz(dummy);
42da2935 104
105 // map the signal
aacedc3e 106 Map()->ClearMap();
107 Map()->SetThreshold(fCutAmplitude);
108 Map()->FillMap();
a1f090e0 109
aacedc3e 110 Double_t noise;
111 Double_t baseline;
112 GetResp()->GetNoiseParam(noise,baseline);
a1f090e0 113
42da2935 114 Int_t nofFoundClusters = 0;
115 Int_t i;
aacedc3e 116 Double_t **dfadc = new Double_t*[fNofAnodes];
117 for(i=0;i<fNofAnodes;i++) dfadc[i] = new Double_t[fMaxNofSamples];
118 Double_t fadc = 0.;
119 Double_t fadc1 = 0.;
120 Double_t fadc2 = 0.;
42da2935 121 Int_t j,k,idx,l,m;
122 for(j=0;j<2;j++) {
50d05d7b 123 for(k=0;k<fNofAnodes;k++) {
124 idx = j*fNofAnodes+k;
125 // signal (fadc) & derivative (dfadc)
126 dfadc[k][255]=0.;
127 for(l=0; l<fMaxNofSamples; l++) {
aacedc3e 128 fadc2=(Double_t)Map()->GetSignal(idx,l);
129 if(l>0) fadc1=(Double_t)Map()->GetSignal(idx,l-1);
50d05d7b 130 if(l>0) dfadc[k][l-1] = fadc2-fadc1;
131 } // samples
132 } // anodes
42da2935 133
50d05d7b 134 for(k=0;k<fNofAnodes;k++) {
f77f13c8 135 AliDebug(5,Form("Anode: %d, Wing: %d",k+1,j+1));
50d05d7b 136 idx = j*fNofAnodes+k;
137 Int_t imax = 0;
138 Int_t imaxd = 0;
139 Int_t it = 0;
140 while(it <= fMaxNofSamples-3) {
141 imax = it;
142 imaxd = it;
143 // maximum of signal
aacedc3e 144 Double_t fadcmax = 0.;
145 Double_t dfadcmax = 0.;
50d05d7b 146 Int_t lthrmina = 1;
147 Int_t lthrmint = 3;
148 Int_t lthra = 1;
149 Int_t lthrt = 0;
150 for(m=0;m<20;m++) {
151 Int_t id = it+m;
152 if(id>=fMaxNofSamples) break;
aacedc3e 153 fadc=(float)Map()->GetSignal(idx,id);
50d05d7b 154 if(fadc > fadcmax) { fadcmax = fadc; imax = id;}
aacedc3e 155 if(fadc > (float)fCutAmplitude)lthrt++;
50d05d7b 156 if(dfadc[k][id] > dfadcmax) {
157 dfadcmax = dfadc[k][id];
158 imaxd = id;
159 } // end if
160 } // end for m
161 it = imaxd;
aacedc3e 162 if(Map()->TestHit(idx,imax) == kEmpty) {it++; continue;}
50d05d7b 163 // cluster charge
164 Int_t tstart = it-2;
165 if(tstart < 0) tstart = 0;
166 Bool_t ilcl = 0;
167 if(lthrt >= lthrmint && lthra >= lthrmina) ilcl = 1;
168 if(ilcl) {
169 nofFoundClusters++;
170 Int_t tstop = tstart;
aacedc3e 171 Double_t dfadcmin = 10000.;
50d05d7b 172 Int_t ij;
173 for(ij=0; ij<20; ij++) {
174 if(tstart+ij > 255) { tstop = 255; break; }
aacedc3e 175 fadc=(float)Map()->GetSignal(idx,tstart+ij);
50d05d7b 176 if((dfadc[k][tstart+ij] < dfadcmin) &&
177 (fadc > fCutAmplitude)) {
178 tstop = tstart+ij+5;
179 if(tstop > 255) tstop = 255;
180 dfadcmin = dfadc[k][it+ij];
181 } // end if
182 } // end for ij
42da2935 183
aacedc3e 184 Double_t clusterCharge = 0.;
185 Double_t clusterAnode = k+0.5;
186 Double_t clusterTime = 0.;
50d05d7b 187 Int_t clusterMult = 0;
aacedc3e 188 Double_t clusterPeakAmplitude = 0.;
50d05d7b 189 Int_t its,peakpos = -1;
aacedc3e 190 Double_t n, baseline;
191 GetResp()->GetNoiseParam(n,baseline);
50d05d7b 192 for(its=tstart; its<=tstop; its++) {
aacedc3e 193 fadc=(float)Map()->GetSignal(idx,its);
50d05d7b 194 if(fadc>baseline) fadc -= baseline;
195 else fadc = 0.;
196 clusterCharge += fadc;
197 // as a matter of fact we should take the peak
198 // pos before FFT
199 // to get the list of tracks !!!
200 if(fadc > clusterPeakAmplitude) {
201 clusterPeakAmplitude = fadc;
aacedc3e 202 //peakpos=Map()->GetHitIndex(idx,its);
50d05d7b 203 Int_t shift = (int)(fTimeCorr/fTimeStep);
204 if(its>shift && its<(fMaxNofSamples-shift))
aacedc3e 205 peakpos = Map()->GetHitIndex(idx,its+shift);
206 else peakpos = Map()->GetHitIndex(idx,its);
207 if(peakpos<0) peakpos =Map()->GetHitIndex(idx,its);
50d05d7b 208 } // end if
209 clusterTime += fadc*its;
210 if(fadc > 0) clusterMult++;
211 if(its == tstop) {
212 clusterTime /= (clusterCharge/fTimeStep); // ns
213 if(clusterTime>fTimeCorr) clusterTime -=fTimeCorr;
214 //ns
215 } // end if
216 } // end for its
42da2935 217
aacedc3e 218 Double_t clusteranodePath = (clusterAnode - fNofAnodes/2)*
219 anodePitch;
220 Double_t clusterDriftPath = clusterTime*fDriftSpeed;
50d05d7b 221 clusterDriftPath = fSddLength-clusterDriftPath;
222 if(clusterCharge <= 0.) break;
223 AliITSRawClusterSDD clust(j+1,//i
224 clusterAnode,clusterTime,//ff
225 clusterCharge, //f
226 clusterPeakAmplitude, //f
227 peakpos, //i
228 0.,0.,clusterDriftPath,//fff
229 clusteranodePath, //f
230 clusterMult, //i
231 0,0,0,0,0,0,0);//7*i
7d62fb64 232 fDetTypeRec->AddCluster(1,&clust);
50d05d7b 233 it = tstop;
234 } // ilcl
235 it++;
236 } // while (samples)
237 } // anodes
42da2935 238 } // detectors (2)
42da2935 239
240 for(i=0;i<fNofAnodes;i++) delete[] dfadc[i];
241 delete [] dfadc;
a1f090e0 242
42da2935 243 return;
a1f090e0 244}
42da2935 245//______________________________________________________________________
246void AliITSClusterFinderSDD::Find1DClustersE(){
24a1c341 247 // find 1D clusters
42da2935 248 // retrieve the parameters
aacedc3e 249 Int_t fNofMaps = GetSeg()->Npz();
250 Int_t fMaxNofSamples = GetSeg()->Npx();
42da2935 251 Int_t fNofAnodes = fNofMaps/2;
252 Int_t dummy=0;
aacedc3e 253 Double_t fTimeStep = GetSeg()->Dpx( dummy );
254 Double_t fSddLength = GetSeg()->Dx();
255 Double_t fDriftSpeed = GetResp()->DriftSpeed();
256 Double_t anodePitch = GetSeg()->Dpz( dummy );
257 Double_t n, baseline;
258 GetResp()->GetNoiseParam( n, baseline );
42da2935 259 // map the signal
aacedc3e 260 Map()->ClearMap();
261 Map()->SetThreshold( fCutAmplitude );
262 Map()->FillMap();
50d05d7b 263
42da2935 264 Int_t nClu = 0;
50d05d7b 265 // cout << "Search cluster... "<< endl;
42da2935 266 for( Int_t j=0; j<2; j++ ){
50d05d7b 267 for( Int_t k=0; k<fNofAnodes; k++ ){
268 Int_t idx = j*fNofAnodes+k;
269 Bool_t on = kFALSE;
270 Int_t start = 0;
271 Int_t nTsteps = 0;
aacedc3e 272 Double_t fmax = 0.;
50d05d7b 273 Int_t lmax = 0;
aacedc3e 274 Double_t charge = 0.;
275 Double_t time = 0.;
276 Double_t anode = k+0.5;
50d05d7b 277 Int_t peakpos = -1;
278 for( Int_t l=0; l<fMaxNofSamples; l++ ){
aacedc3e 279 Double_t fadc = (Double_t)Map()->GetSignal( idx, l );
50d05d7b 280 if( fadc > 0.0 ){
281 if( on == kFALSE && l<fMaxNofSamples-4){
282 // star RawCluster (reset var.)
aacedc3e 283 Double_t fadc1 = (Double_t)Map()->GetSignal( idx, l+1 );
50d05d7b 284 if( fadc1 < fadc ) continue;
285 start = l;
286 fmax = 0.;
287 lmax = 0;
288 time = 0.;
289 charge = 0.;
290 on = kTRUE;
291 nTsteps = 0;
292 } // end if on...
293 nTsteps++ ;
294 if( fadc > baseline ) fadc -= baseline;
295 else fadc=0.;
296 charge += fadc;
297 time += fadc*l;
298 if( fadc > fmax ){
299 fmax = fadc;
300 lmax = l;
301 Int_t shift = (Int_t)(fTimeCorr/fTimeStep + 0.5);
302 if( l > shift && l < (fMaxNofSamples-shift) )
aacedc3e 303 peakpos = Map()->GetHitIndex( idx, l+shift );
50d05d7b 304 else
aacedc3e 305 peakpos = Map()->GetHitIndex( idx, l );
306 if( peakpos < 0) peakpos = Map()->GetHitIndex(idx,l);
50d05d7b 307 } // end if fadc
308 }else{ // end fadc>0
309 if( on == kTRUE ){
310 if( nTsteps > 2 ){
311 // min # of timesteps for a RawCluster
312 // Found a RawCluster...
313 Int_t stop = l-1;
314 time /= (charge/fTimeStep); // ns
315 // time = lmax*fTimeStep; // ns
316 if( time > fTimeCorr ) time -= fTimeCorr; // ns
aacedc3e 317 Double_t anodePath =(anode-fNofAnodes/2)*anodePitch;
318 Double_t driftPath = time*fDriftSpeed;
50d05d7b 319 driftPath = fSddLength-driftPath;
320 AliITSRawClusterSDD clust(j+1,anode,time,charge,
321 fmax, peakpos,0.,0.,
322 driftPath,anodePath,
323 nTsteps,start,stop,
324 start, stop, 1, k, k );
7d62fb64 325 fDetTypeRec->AddCluster( 1, &clust );
f77f13c8 326 if(AliDebugLevel()>=5) clust.PrintInfo();
50d05d7b 327 nClu++;
328 } // end if nTsteps
329 on = kFALSE;
330 } // end if on==kTRUE
331 } // end if fadc>0
332 } // samples
333 } // anodes
42da2935 334 } // wings
f77f13c8 335 AliDebug(3,Form("# Rawclusters %d",nClu));
42da2935 336 return;
a1f090e0 337}
42da2935 338//_______________________________________________________________________
aacedc3e 339Int_t AliITSClusterFinderSDD::SearchPeak(Double_t *spect,Int_t xdim,Int_t zdim,
50d05d7b 340 Int_t *peakX, Int_t *peakZ,
aacedc3e 341 Double_t *peakAmp, Double_t minpeak ){
42da2935 342 // search peaks on a 2D cluster
343 Int_t npeak = 0; // # peaks
56fff130 344 Int_t i,j;
42da2935 345 // search peaks
346 for( Int_t z=1; z<zdim-1; z++ ){
48058160 347 for( Int_t x=1; x<xdim-2; x++ ){
aacedc3e 348 Double_t sxz = spect[x*zdim+z];
349 Double_t sxz1 = spect[(x+1)*zdim+z];
350 Double_t sxz2 = spect[(x-1)*zdim+z];
50d05d7b 351 // search a local max. in s[x,z]
352 if( sxz < minpeak || sxz1 <= 0 || sxz2 <= 0 ) continue;
353 if( sxz >= spect[(x+1)*zdim+z ] && sxz >= spect[(x-1)*zdim+z ] &&
354 sxz >= spect[x*zdim +z+1] && sxz >= spect[x*zdim +z-1] &&
355 sxz >= spect[(x+1)*zdim+z+1] && sxz >= spect[(x+1)*zdim+z-1] &&
356 sxz >= spect[(x-1)*zdim+z+1] && sxz >= spect[(x-1)*zdim+z-1] ){
357 // peak found
358 peakX[npeak] = x;
359 peakZ[npeak] = z;
360 peakAmp[npeak] = sxz;
361 npeak++;
362 } // end if ....
363 } // end for x
42da2935 364 } // end for z
365 // search groups of peaks with same amplitude.
366 Int_t *flag = new Int_t[npeak];
367 for( i=0; i<npeak; i++ ) flag[i] = 0;
368 for( i=0; i<npeak; i++ ){
50d05d7b 369 for( j=0; j<npeak; j++ ){
370 if( i==j) continue;
371 if( flag[j] > 0 ) continue;
372 if( peakAmp[i] == peakAmp[j] &&
373 TMath::Abs(peakX[i]-peakX[j])<=1 &&
374 TMath::Abs(peakZ[i]-peakZ[j])<=1 ){
375 if( flag[i] == 0) flag[i] = i+1;
376 flag[j] = flag[i];
377 } // end if ...
378 } // end for j
42da2935 379 } // end for i
50d05d7b 380 // make average of peak groups
42da2935 381 for( i=0; i<npeak; i++ ){
50d05d7b 382 Int_t nFlag = 1;
383 if( flag[i] <= 0 ) continue;
384 for( j=0; j<npeak; j++ ){
385 if( i==j ) continue;
386 if( flag[j] != flag[i] ) continue;
387 peakX[i] += peakX[j];
388 peakZ[i] += peakZ[j];
389 nFlag++;
390 npeak--;
391 for( Int_t k=j; k<npeak; k++ ){
392 peakX[k] = peakX[k+1];
393 peakZ[k] = peakZ[k+1];
394 peakAmp[k] = peakAmp[k+1];
395 flag[k] = flag[k+1];
396 } // end for k
397 j--;
398 } // end for j
399 if( nFlag > 1 ){
400 peakX[i] /= nFlag;
401 peakZ[i] /= nFlag;
402 } // end fi nFlag
42da2935 403 } // end for i
404 delete [] flag;
405 return( npeak );
a1f090e0 406}
42da2935 407//______________________________________________________________________
aacedc3e 408void AliITSClusterFinderSDD::PeakFunc( Int_t xdim, Int_t zdim, Double_t *par,
409 Double_t *spe, Double_t *integral){
24a1c341 410 // function used to fit the clusters
50d05d7b 411 // par -> parameters..
24a1c341 412 // par[0] number of peaks.
413 // for each peak i=1, ..., par[0]
50d05d7b 414 // par[i] = Ampl.
415 // par[i+1] = xpos
416 // par[i+2] = zpos
417 // par[i+3] = tau
418 // par[i+4] = sigma.
aacedc3e 419 Int_t electronics = GetResp()->Electronics(); // 1 = PASCAL, 2 = OLA
24a1c341 420 const Int_t knParam = 5;
421 Int_t npeak = (Int_t)par[0];
42da2935 422
aacedc3e 423 memset( spe, 0, sizeof( Double_t )*zdim*xdim );
42da2935 424
24a1c341 425 Int_t k = 1;
42da2935 426 for( Int_t i=0; i<npeak; i++ ){
24a1c341 427 if( integral != 0 ) integral[i] = 0.;
aacedc3e 428 Double_t sigmaA2 = par[k+4]*par[k+4]*2.;
429 Double_t t2 = par[k+3]; // PASCAL
bf3f2830 430 if( electronics == 2 ) { t2 *= t2; t2 *= 2; } // OLA
42da2935 431 for( Int_t z=0; z<zdim; z++ ){
432 for( Int_t x=0; x<xdim; x++ ){
aacedc3e 433 Double_t z2 = (z-par[k+2])*(z-par[k+2])/sigmaA2;
434 Double_t x2 = 0.;
435 Double_t signal = 0.;
42da2935 436 if( electronics == 1 ){ // PASCAL
bf3f2830 437 x2 = (x-par[k+1]+t2)/t2;
42da2935 438 signal = (x2>0.) ? par[k]*x2*exp(-x2+1.-z2) :0.0; // RCCR2
439 // signal =(x2>0.) ? par[k]*x2*x2*exp(-2*x2+2.-z2 ):0.0;//RCCR
440 }else if( electronics == 2 ) { // OLA
bf3f2830 441 x2 = (x-par[k+1])*(x-par[k+1])/t2;
50d05d7b 442 signal = par[k] * exp( -x2 - z2 );
443 } else {
aacedc3e 444 Warning("PeakFunc","Wrong SDD Electronics = %d",
445 electronics);
50d05d7b 446 // exit( 1 );
447 } // end if electronicx
24a1c341 448 spe[x*zdim+z] += signal;
449 if( integral != 0 ) integral[i] += signal;
42da2935 450 } // end for x
451 } // end for z
24a1c341 452 k += knParam;
42da2935 453 } // end for i
24a1c341 454 return;
a1f090e0 455}
42da2935 456//__________________________________________________________________________
aacedc3e 457Double_t AliITSClusterFinderSDD::ChiSqr( Int_t xdim, Int_t zdim, Double_t *spe,
458 Double_t *speFit ) const{
42da2935 459 // EVALUATES UNNORMALIZED CHI-SQUARED
aacedc3e 460 Double_t chi2 = 0.;
42da2935 461 for( Int_t z=0; z<zdim; z++ ){
50d05d7b 462 for( Int_t x=1; x<xdim-1; x++ ){
463 Int_t index = x*zdim+z;
aacedc3e 464 Double_t tmp = spe[index] - speFit[index];
50d05d7b 465 chi2 += tmp*tmp;
466 } // end for x
42da2935 467 } // end for z
468 return( chi2 );
a1f090e0 469}
42da2935 470//_______________________________________________________________________
aacedc3e 471void AliITSClusterFinderSDD::Minim( Int_t xdim, Int_t zdim, Double_t *param,
472 Double_t *prm0,Double_t *steprm,
473 Double_t *chisqr,Double_t *spe,
474 Double_t *speFit ){
42da2935 475 //
476 Int_t k, nnn, mmm, i;
aacedc3e 477 Double_t p1, delta, d1, chisq1, p2, chisq2, t, p3, chisq3, a, b, p0, chisqt;
42da2935 478 const Int_t knParam = 5;
479 Int_t npeak = (Int_t)param[0];
480 for( k=1; k<(npeak*knParam+1); k++ ) prm0[k] = param[k];
481 for( k=1; k<(npeak*knParam+1); k++ ){
50d05d7b 482 p1 = param[k];
483 delta = steprm[k];
484 d1 = delta;
485 // ENSURE THAT STEP SIZE IS SENSIBLY LARGER THAN MACHINE ROUND OFF
f4b7cee4 486 if( TMath::Abs( p1 ) > 1.0E-6 )
487 if ( TMath::Abs( delta/p1 ) < 1.0E-4 ) delta = p1/1000;
aacedc3e 488 else delta = (Double_t)1.0E-4;
50d05d7b 489 // EVALUATE CHI-SQUARED AT FIRST TWO SEARCH POINTS
490 PeakFunc( xdim, zdim, param, speFit );
491 chisq1 = ChiSqr( xdim, zdim, spe, speFit );
492 p2 = p1+delta;
493 param[k] = p2;
494 PeakFunc( xdim, zdim, param, speFit );
495 chisq2 = ChiSqr( xdim, zdim, spe, speFit );
496 if( chisq1 < chisq2 ){
497 // REVERSE DIRECTION OF SEARCH IF CHI-SQUARED IS INCREASING
498 delta = -delta;
499 t = p1;
500 p1 = p2;
501 p2 = t;
502 t = chisq1;
503 chisq1 = chisq2;
504 chisq2 = t;
505 } // end if
506 i = 1; nnn = 0;
507 do { // INCREMENT param(K) UNTIL CHI-SQUARED STARTS TO INCREASE
508 nnn++;
509 p3 = p2 + delta;
510 mmm = nnn - (nnn/5)*5; // multiplo de 5
511 if( mmm == 0 ){
512 d1 = delta;
513 // INCREASE STEP SIZE IF STEPPING TOWARDS MINIMUM IS TOO SLOW
514 delta *= 5;
515 } // end if
516 param[k] = p3;
517 // Constrain paramiters
518 Int_t kpos = (k-1) % knParam;
519 switch( kpos ){
520 case 0 :
521 if( param[k] <= 20 ) param[k] = fMinPeak;
522 break;
523 case 1 :
f4b7cee4 524 if( TMath::Abs( param[k] - prm0[k] ) > 1.5 ) param[k] = prm0[k];
50d05d7b 525 break;
526 case 2 :
f4b7cee4 527 if( TMath::Abs( param[k] - prm0[k] ) > 1. ) param[k] = prm0[k];
50d05d7b 528 break;
529 case 3 :
530 if( param[k] < .5 ) param[k] = .5;
531 break;
532 case 4 :
aacedc3e 533 if( param[k] < .288 ) param[k] = .288;// 1/sqrt(12) = 0.288
50d05d7b 534 if( param[k] > zdim*.5 ) param[k] = zdim*.5;
535 break;
536 }; // end switch
537 PeakFunc( xdim, zdim, param, speFit );
538 chisq3 = ChiSqr( xdim, zdim, spe, speFit );
539 if( chisq3 < chisq2 && nnn < 50 ){
540 p1 = p2;
541 p2 = p3;
542 chisq1 = chisq2;
543 chisq2 = chisq3;
544 }else i=0;
545 } while( i );
546 // FIND MINIMUM OF PARABOLA DEFINED BY LAST THREE POINTS
547 a = chisq1*(p2-p3)+chisq2*(p3-p1)+chisq3*(p1-p2);
548 b = chisq1*(p2*p2-p3*p3)+chisq2*(p3*p3-p1*p1)+chisq3*(p1*p1-p2*p2);
aacedc3e 549 if( a!=0 ) p0 = (Double_t)(0.5*b/a);
50d05d7b 550 else p0 = 10000;
551 //--IN CASE OF NEARLY EQUAL CHI-SQUARED AND TOO SMALL STEP SIZE PREVENT
552 // ERRONEOUS EVALUATION OF PARABOLA MINIMUM
553 //---NEXT TWO LINES CAN BE OMITTED FOR HIGHER PRECISION MACHINES
f4b7cee4 554 //dp = (Double_t) max (TMath::Abs(p3-p2), TMath::Abs(p2-p1));
555 //if( TMath::Abs( p2-p0 ) > dp ) p0 = p2;
50d05d7b 556 param[k] = p0;
557 // Constrain paramiters
558 Int_t kpos = (k-1) % knParam;
559 switch( kpos ){
560 case 0 :
561 if( param[k] <= 20 ) param[k] = fMinPeak;
562 break;
563 case 1 :
f4b7cee4 564 if( TMath::Abs( param[k] - prm0[k] ) > 1.5 ) param[k] = prm0[k];
50d05d7b 565 break;
566 case 2 :
f4b7cee4 567 if( TMath::Abs( param[k] - prm0[k] ) > 1. ) param[k] = prm0[k];
50d05d7b 568 break;
569 case 3 :
570 if( param[k] < .5 ) param[k] = .5;
571 break;
572 case 4 :
573 if( param[k] < .288 ) param[k] = .288; // 1/sqrt(12) = 0.288
574 if( param[k] > zdim*.5 ) param[k] = zdim*.5;
575 break;
576 }; // end switch
577 PeakFunc( xdim, zdim, param, speFit );
578 chisqt = ChiSqr( xdim, zdim, spe, speFit );
579 // DO NOT ALLOW ERRONEOUS INTERPOLATION
580 if( chisqt <= *chisqr ) *chisqr = chisqt;
581 else param[k] = prm0[k];
582 // OPTIMIZE SEARCH STEP FOR EVENTUAL NEXT CALL OF MINIM
583 steprm[k] = (param[k]-prm0[k])/5;
584 if( steprm[k] >= d1 ) steprm[k] = d1/5;
42da2935 585 } // end for k
586 // EVALUATE FIT AND CHI-SQUARED FOR OPTIMIZED PARAMETERS
587 PeakFunc( xdim, zdim, param, speFit );
588 *chisqr = ChiSqr( xdim, zdim, spe, speFit );
589 return;
a1f090e0 590}
42da2935 591//_________________________________________________________________________
592Int_t AliITSClusterFinderSDD::NoLinearFit( Int_t xdim, Int_t zdim,
aacedc3e 593 Double_t *param, Double_t *spe,
594 Int_t *niter, Double_t *chir ){
42da2935 595 // fit method from Comput. Phys. Commun 46(1987) 149
aacedc3e 596 const Double_t kchilmt = 0.01; // relative accuracy
50d05d7b 597 const Int_t knel = 3; // for parabolic minimization
598 const Int_t knstop = 50; // Max. iteration number
42da2935 599 const Int_t knParam = 5;
600 Int_t npeak = (Int_t)param[0];
601 // RETURN IF NUMBER OF DEGREES OF FREEDOM IS NOT POSITIVE
602 if( (xdim*zdim - npeak*knParam) <= 0 ) return( -1 );
aacedc3e 603 Double_t degFree = (xdim*zdim - npeak*knParam)-1;
42da2935 604 Int_t n, k, iterNum = 0;
aacedc3e 605 Double_t *prm0 = new Double_t[npeak*knParam+1];
606 Double_t *step = new Double_t[npeak*knParam+1];
607 Double_t *schi = new Double_t[npeak*knParam+1];
608 Double_t *sprm[3];
609 sprm[0] = new Double_t[npeak*knParam+1];
610 sprm[1] = new Double_t[npeak*knParam+1];
611 sprm[2] = new Double_t[npeak*knParam+1];
612 Double_t chi0, chi1, reldif, a, b, prmin, dp;
613 Double_t *speFit = new Double_t[ xdim*zdim ];
42da2935 614 PeakFunc( xdim, zdim, param, speFit );
615 chi0 = ChiSqr( xdim, zdim, spe, speFit );
616 chi1 = chi0;
617 for( k=1; k<(npeak*knParam+1); k++) prm0[k] = param[k];
50d05d7b 618 for( k=1 ; k<(npeak*knParam+1); k+=knParam ){
619 step[k] = param[k] / 20.0 ;
620 step[k+1] = param[k+1] / 50.0;
621 step[k+2] = param[k+2] / 50.0;
622 step[k+3] = param[k+3] / 20.0;
623 step[k+4] = param[k+4] / 20.0;
624 } // end for k
42da2935 625 Int_t out = 0;
626 do{
50d05d7b 627 iterNum++;
628 chi0 = chi1;
629 Minim( xdim, zdim, param, prm0, step, &chi1, spe, speFit );
f4b7cee4 630 reldif = ( chi1 > 0 ) ? ((Double_t) TMath::Abs( chi1-chi0)/chi1 ) : 0;
50d05d7b 631 // EXIT conditions
632 if( reldif < (float) kchilmt ){
633 *chir = (chi1>0) ? (float) TMath::Sqrt (chi1/degFree) :0;
634 *niter = iterNum;
635 out = 0;
636 break;
637 } // end if
638 if( (reldif < (float)(5*kchilmt)) && (iterNum > knstop) ){
639 *chir = (chi1>0) ?(float) TMath::Sqrt (chi1/degFree):0;
640 *niter = iterNum;
641 out = 0;
642 break;
643 } // end if
644 if( iterNum > 5*knstop ){
645 *chir = (chi1>0) ?(float) TMath::Sqrt (chi1/degFree):0;
646 *niter = iterNum;
647 out = 1;
648 break;
649 } // end if
650 if( iterNum <= knel ) continue;
651 n = iterNum - (iterNum/knel)*knel; // EXTRAPOLATION LIMIT COUNTER N
652 if( n > 3 || n == 0 ) continue;
653 schi[n-1] = chi1;
654 for( k=1; k<(npeak*knParam+1); k++ ) sprm[n-1][k] = param[k];
655 if( n != 3 ) continue;
656 // -EVALUATE EXTRAPOLATED VALUE OF EACH PARAMETER BY FINDING MINIMUM OF
657 // PARABOLA DEFINED BY LAST THREE CALLS OF MINIM
658 for( k=1; k<(npeak*knParam+1); k++ ){
aacedc3e 659 Double_t tmp0 = sprm[0][k];
660 Double_t tmp1 = sprm[1][k];
661 Double_t tmp2 = sprm[2][k];
50d05d7b 662 a = schi[0]*(tmp1-tmp2) + schi[1]*(tmp2-tmp0);
663 a += (schi[2]*(tmp0-tmp1));
664 b = schi[0]*(tmp1*tmp1-tmp2*tmp2);
665 b += (schi[1]*(tmp2*tmp2-tmp0*tmp0)+(schi[2]*
666 (tmp0*tmp0-tmp1*tmp1)));
667 if ((double)a < 1.0E-6) prmin = 0;
668 else prmin = (float) (0.5*b/a);
669 dp = 5*(tmp2-tmp0);
f4b7cee4 670 if( TMath::Abs(prmin-tmp2) > TMath::Abs(dp) ) prmin = tmp2+dp;
50d05d7b 671 param[k] = prmin;
672 step[k] = dp/10; // OPTIMIZE SEARCH STEP
673 } // end for k
42da2935 674 } while( kTRUE );
675 delete [] prm0;
676 delete [] step;
677 delete [] schi;
678 delete [] sprm[0];
679 delete [] sprm[1];
680 delete [] sprm[2];
681 delete [] speFit;
682 return( out );
a1f090e0 683}
50d05d7b 684
42da2935 685//______________________________________________________________________
04366a57 686void AliITSClusterFinderSDD::ResolveClusters(){
42da2935 687 // The function to resolve clusters if the clusters overlapping exists
24a1c341 688 Int_t i;
42da2935 689 // get number of clusters for this module
aacedc3e 690 Int_t nofClusters = NClusters();
42da2935 691 nofClusters -= fNclusters;
aacedc3e 692 Int_t fNofMaps = GetSeg()->Npz();
42da2935 693 Int_t fNofAnodes = fNofMaps/2;
aacedc3e 694 //Int_t fMaxNofSamples = GetSeg()->Npx();
42da2935 695 Int_t dummy=0;
aacedc3e 696 Double_t fTimeStep = GetSeg()->Dpx( dummy );
697 Double_t fSddLength = GetSeg()->Dx();
698 Double_t fDriftSpeed = GetResp()->DriftSpeed();
699 Double_t anodePitch = GetSeg()->Dpz( dummy );
700 Double_t n, baseline;
701 GetResp()->GetNoiseParam( n, baseline );
702 Int_t electronics = GetResp()->Electronics(); // 1 = PASCAL, 2 = OLA
50d05d7b 703
42da2935 704 for( Int_t j=0; j<nofClusters; j++ ){
50d05d7b 705 // get cluster information
aacedc3e 706 AliITSRawClusterSDD *clusterJ=(AliITSRawClusterSDD*) Cluster(j);
50d05d7b 707 Int_t astart = clusterJ->Astart();
708 Int_t astop = clusterJ->Astop();
709 Int_t tstart = clusterJ->Tstartf();
710 Int_t tstop = clusterJ->Tstopf();
711 Int_t wing = (Int_t)clusterJ->W();
712 if( wing == 2 ){
713 astart += fNofAnodes;
714 astop += fNofAnodes;
715 } // end if
716 Int_t xdim = tstop-tstart+3;
717 Int_t zdim = astop-astart+3;
d86f531c 718 if( xdim > 50 || zdim > 30 ) {
04366a57 719 Warning("ResolveClusters","xdim: %d , zdim: %d ",xdim,zdim);
d86f531c 720 continue;
721 }
aacedc3e 722 Double_t *sp = new Double_t[ xdim*zdim+1 ];
723 memset( sp, 0, sizeof(Double_t)*(xdim*zdim+1) );
50d05d7b 724
725 // make a local map from cluster region
726 for( Int_t ianode=astart; ianode<=astop; ianode++ ){
727 for( Int_t itime=tstart; itime<=tstop; itime++ ){
aacedc3e 728 Double_t fadc = Map()->GetSignal( ianode, itime );
50d05d7b 729 if( fadc > baseline ) fadc -= (Double_t)baseline;
730 else fadc = 0.;
731 Int_t index = (itime-tstart+1)*zdim+(ianode-astart+1);
732 sp[index] = fadc;
733 } // time loop
734 } // anode loop
735
736 // search peaks on cluster
737 const Int_t kNp = 150;
738 Int_t peakX1[kNp];
739 Int_t peakZ1[kNp];
aacedc3e 740 Double_t peakAmp1[kNp];
50d05d7b 741 Int_t npeak = SearchPeak(sp,xdim,zdim,peakX1,peakZ1,peakAmp1,fMinPeak);
742
743 // if multiple peaks, split cluster
aacedc3e 744 if( npeak >= 1 ){
50d05d7b 745 // cout << "npeak " << npeak << endl;
746 // clusterJ->PrintInfo();
aacedc3e 747 Double_t *par = new Double_t[npeak*5+1];
748 par[0] = (Double_t)npeak;
48058160 749 // Initial parameters in cell dimentions
50d05d7b 750 Int_t k1 = 1;
751 for( i=0; i<npeak; i++ ){
752 par[k1] = peakAmp1[i];
753 par[k1+1] = peakX1[i]; // local time pos. [timebin]
754 par[k1+2] = peakZ1[i]; // local anode pos. [anodepitch]
aacedc3e 755 if( electronics == 1 ) par[k1+3] = 2.; // PASCAL
756 else if(electronics==2) par[k1+3] = 0.7;//tau [timebin] OLA
50d05d7b 757 par[k1+4] = .4; // sigma [anodepich]
aacedc3e 758 k1 += 5;
50d05d7b 759 } // end for i
760 Int_t niter;
aacedc3e 761 Double_t chir;
50d05d7b 762 NoLinearFit( xdim, zdim, par, sp, &niter, &chir );
aacedc3e 763 Double_t peakX[kNp];
764 Double_t peakZ[kNp];
765 Double_t sigma[kNp];
766 Double_t tau[kNp];
767 Double_t peakAmp[kNp];
768 Double_t integral[kNp];
50d05d7b 769 //get integrals => charge for each peak
770 PeakFunc( xdim, zdim, par, sp, integral );
771 k1 = 1;
772 for( i=0; i<npeak; i++ ){
773 peakAmp[i] = par[k1];
d86f531c 774 peakX[i] = par[k1+1];
775 peakZ[i] = par[k1+2];
776 tau[i] = par[k1+3];
777 sigma[i] = par[k1+4];
50d05d7b 778 k1+=5;
779 } // end for i
780 // calculate parameter for new clusters
781 for( i=0; i<npeak; i++ ){
782 AliITSRawClusterSDD clusterI( *clusterJ );
d86f531c 783
50d05d7b 784 Int_t newAnode = peakZ1[i]-1 + astart;
d86f531c 785
786 // Int_t newiTime = peakX1[i]-1 + tstart;
787 // Int_t shift = (Int_t)(fTimeCorr/fTimeStep + 0.5);
788 // if( newiTime > shift && newiTime < (fMaxNofSamples-shift) )
789 // shift = 0;
aacedc3e 790 // Int_t peakpos = Map()->GetHitIndex(newAnode,newiTime+shift );
d86f531c 791 // clusterI.SetPeakPos( peakpos );
792
50d05d7b 793 clusterI.SetPeakAmpl( peakAmp1[i] );
aacedc3e 794 Double_t newAnodef = peakZ[i] - 0.5 + astart;
795 Double_t newiTimef = peakX[i] - 1 + tstart;
50d05d7b 796 if( wing == 2 ) newAnodef -= fNofAnodes;
aacedc3e 797 Double_t anodePath = (newAnodef - fNofAnodes/2)*anodePitch;
50d05d7b 798 newiTimef *= fTimeStep;
799 if( newiTimef > fTimeCorr ) newiTimef -= fTimeCorr;
800 if( electronics == 1 ){
48058160 801 // newiTimef *= 0.999438; // PASCAL
802 // newiTimef += (6./fDriftSpeed - newiTimef/3000.);
50d05d7b 803 }else if( electronics == 2 )
804 newiTimef *= 0.99714; // OLA
d86f531c 805
806 Int_t timeBin = (Int_t)(newiTimef/fTimeStep+0.5);
aacedc3e 807 Int_t peakpos = Map()->GetHitIndex( newAnode, timeBin );
d86f531c 808 if( peakpos < 0 ) {
809 for( Int_t ii=0; ii<3; ii++ ) {
aacedc3e 810 peakpos = Map()->GetHitIndex( newAnode, timeBin+ii );
d86f531c 811 if( peakpos > 0 ) break;
aacedc3e 812 peakpos = Map()->GetHitIndex( newAnode, timeBin-ii );
d86f531c 813 if( peakpos > 0 ) break;
814 }
815 }
816
817 if( peakpos < 0 ) {
04366a57 818 //Warning("ResolveClusters",
aacedc3e 819 // "Digit not found for cluster");
f77f13c8 820 //if(AliDebugLevel()>=3) clusterI.PrintInfo();
d86f531c 821 continue;
822 }
823 clusterI.SetPeakPos( peakpos );
aacedc3e 824 Double_t driftPath = fSddLength - newiTimef * fDriftSpeed;
825 Double_t sign = ( wing == 1 ) ? -1. : 1.;
50d05d7b 826 clusterI.SetX( driftPath*sign * 0.0001 );
827 clusterI.SetZ( anodePath * 0.0001 );
828 clusterI.SetAnode( newAnodef );
829 clusterI.SetTime( newiTimef );
830 clusterI.SetAsigma( sigma[i]*anodePitch );
831 clusterI.SetTsigma( tau[i]*fTimeStep );
832 clusterI.SetQ( integral[i] );
d86f531c 833
7d62fb64 834 fDetTypeRec->AddCluster( 1, &clusterI );
50d05d7b 835 } // end for i
aacedc3e 836 Clusters()->RemoveAt( j );
50d05d7b 837 delete [] par;
48058160 838 } else { // something odd
04366a57 839 Warning( "ResolveClusters",
aacedc3e 840 "--- Peak not found!!!! minpeak=%d ,cluster peak= %f"
841 " , module= %d",
842 fMinPeak, clusterJ->PeakAmpl(),GetModule());
d86f531c 843 clusterJ->PrintInfo();
04366a57 844 Warning( "ResolveClusters"," xdim= %d zdim= %d", xdim-2, zdim-2 );
50d05d7b 845 }
846 delete [] sp;
42da2935 847 } // cluster loop
aacedc3e 848 Clusters()->Compress();
849// Map()->ClearMap();
a1f090e0 850}
42da2935 851//________________________________________________________________________
852void AliITSClusterFinderSDD::GroupClusters(){
853 // group clusters
854 Int_t dummy=0;
aacedc3e 855 Double_t fTimeStep = GetSeg()->Dpx(dummy);
42da2935 856 // get number of clusters for this module
aacedc3e 857 Int_t nofClusters = NClusters();
42da2935 858 nofClusters -= fNclusters;
859 AliITSRawClusterSDD *clusterI;
860 AliITSRawClusterSDD *clusterJ;
861 Int_t *label = new Int_t [nofClusters];
862 Int_t i,j;
863 for(i=0; i<nofClusters; i++) label[i] = 0;
864 for(i=0; i<nofClusters; i++) {
50d05d7b 865 if(label[i] != 0) continue;
866 for(j=i+1; j<nofClusters; j++) {
867 if(label[j] != 0) continue;
aacedc3e 868 clusterI = (AliITSRawClusterSDD*) Cluster(i);
869 clusterJ = (AliITSRawClusterSDD*) Cluster(j);
50d05d7b 870 // 1.3 good
871 if(clusterI->T() < fTimeStep*60) fDAnode = 4.2; // TB 3.2
872 if(clusterI->T() < fTimeStep*10) fDAnode = 1.5; // TB 1.
873 Bool_t pair = clusterI->Brother(clusterJ,fDAnode,fDTime);
874 if(!pair) continue;
f77f13c8 875 if(AliDebugLevel()>=4){
aacedc3e 876 clusterI->PrintInfo();
877 clusterJ->PrintInfo();
f77f13c8 878 } // end if AliDebugLevel
50d05d7b 879 clusterI->Add(clusterJ);
880 label[j] = 1;
aacedc3e 881 Clusters()->RemoveAt(j);
50d05d7b 882 j=i; // <- Ernesto
883 } // J clusters
884 label[i] = 1;
42da2935 885 } // I clusters
aacedc3e 886 Clusters()->Compress();
42da2935 887
888 delete [] label;
889 return;
b0f5e3fc 890}
42da2935 891//________________________________________________________________________
892void AliITSClusterFinderSDD::SelectClusters(){
893 // get number of clusters for this module
aacedc3e 894 Int_t nofClusters = NClusters();
b0f5e3fc 895
42da2935 896 nofClusters -= fNclusters;
897 Int_t i;
898 for(i=0; i<nofClusters; i++) {
aacedc3e 899 AliITSRawClusterSDD *clusterI =(AliITSRawClusterSDD*) Cluster(i);
50d05d7b 900 Int_t rmflg = 0;
aacedc3e 901 Double_t wy = 0.;
50d05d7b 902 if(clusterI->Anodes() != 0.) {
aacedc3e 903 wy = ((Double_t) clusterI->Samples())/clusterI->Anodes();
50d05d7b 904 } // end if
905 Int_t amp = (Int_t) clusterI->PeakAmpl();
906 Int_t cha = (Int_t) clusterI->Q();
907 if(amp < fMinPeak) rmflg = 1;
908 if(cha < fMinCharge) rmflg = 1;
909 if(wy < fMinNCells) rmflg = 1;
910 //if(wy > fMaxNCells) rmflg = 1;
aacedc3e 911 if(rmflg) Clusters()->RemoveAt(i);
42da2935 912 } // I clusters
aacedc3e 913 Clusters()->Compress();
42da2935 914 return;
b0f5e3fc 915}
42da2935 916
42da2935 917//______________________________________________________________________
918void AliITSClusterFinderSDD::GetRecPoints(){
919 // get rec points
04366a57 920
42da2935 921 // get number of clusters for this module
aacedc3e 922 Int_t nofClusters = NClusters();
42da2935 923 nofClusters -= fNclusters;
aacedc3e 924 const Double_t kconvGeV = 1.e-6; // GeV -> KeV
925 const Double_t kconv = 1.0e-4;
926 const Double_t kRMSx = 38.0*kconv; // microns->cm ITS TDR Table 1.3
927 const Double_t kRMSz = 28.0*kconv; // microns->cm ITS TDR Table 1.3
d86f531c 928 Int_t i;
42da2935 929 Int_t ix, iz, idx=-1;
930 AliITSdigitSDD *dig=0;
aacedc3e 931 Int_t ndigits=NDigits();
42da2935 932 for(i=0; i<nofClusters; i++) {
aacedc3e 933 AliITSRawClusterSDD *clusterI = (AliITSRawClusterSDD*)Cluster(i);
50d05d7b 934 if(!clusterI) Error("SDD: GetRecPoints","i clusterI ",i,clusterI);
935 if(clusterI) idx=clusterI->PeakPos();
936 if(idx>ndigits) Error("SDD: GetRecPoints","idx ndigits",idx,ndigits);
937 // try peak neighbours - to be done
aacedc3e 938 if(idx&&idx<= ndigits) dig =(AliITSdigitSDD*)GetDigit(idx);
d86f531c 939 if(!dig) {
50d05d7b 940 // try cog
aacedc3e 941 GetSeg()->GetPadIxz(clusterI->X(),clusterI->Z(),ix,iz);
942 dig = (AliITSdigitSDD*)Map()->GetHit(iz-1,ix-1);
50d05d7b 943 // if null try neighbours
aacedc3e 944 if (!dig) dig = (AliITSdigitSDD*)Map()->GetHit(iz-1,ix);
945 if (!dig) dig = (AliITSdigitSDD*)Map()->GetHit(iz-1,ix+1);
50d05d7b 946 if (!dig) printf("SDD: cannot assign the track number!\n");
947 } // end if !dig
948 AliITSRecPoint rnew;
949 rnew.SetX(clusterI->X());
950 rnew.SetZ(clusterI->Z());
951 rnew.SetQ(clusterI->Q()); // in KeV - should be ADC
952 rnew.SetdEdX(kconvGeV*clusterI->Q());
953 rnew.SetSigmaX2(kRMSx*kRMSx);
954 rnew.SetSigmaZ2(kRMSz*kRMSz);
d86f531c 955
ecee53fc 956 if(dig) rnew.fTracks[0]=dig->GetTrack(0);
957 if(dig) rnew.fTracks[1]=dig->GetTrack(1);
958 if(dig) rnew.fTracks[2]=dig->GetTrack(2);
507cf1a7 959
7d62fb64 960 fDetTypeRec->AddRecPoint(rnew);
42da2935 961 } // I clusters
aacedc3e 962// Map()->ClearMap();
b0f5e3fc 963}
42da2935 964//______________________________________________________________________
965void AliITSClusterFinderSDD::FindRawClusters(Int_t mod){
966 // find raw clusters
50d05d7b 967
aacedc3e 968 SetModule(mod);
a1f090e0 969 Find1DClustersE();
b0f5e3fc 970 GroupClusters();
971 SelectClusters();
04366a57 972 ResolveClusters();
b0f5e3fc 973 GetRecPoints();
974}
42da2935 975//_______________________________________________________________________
d2f55a22 976void AliITSClusterFinderSDD::PrintStatus() const{
42da2935 977 // Print SDD cluster finder Parameters
978
979 cout << "**************************************************" << endl;
980 cout << " Silicon Drift Detector Cluster Finder Parameters " << endl;
981 cout << "**************************************************" << endl;
982 cout << "Number of Clusters: " << fNclusters << endl;
983 cout << "Anode Tolerance: " << fDAnode << endl;
984 cout << "Time Tolerance: " << fDTime << endl;
985 cout << "Time correction (electronics): " << fTimeCorr << endl;
986 cout << "Cut Amplitude (threshold): " << fCutAmplitude << endl;
987 cout << "Minimum Amplitude: " << fMinPeak << endl;
988 cout << "Minimum Charge: " << fMinCharge << endl;
989 cout << "Minimum number of cells/clusters: " << fMinNCells << endl;
990 cout << "Maximum number of cells/clusters: " << fMaxNCells << endl;
991 cout << "**************************************************" << endl;
a1f090e0 992}