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a9e2aefa 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 **************************************************************************/
70479d0e 15
88cb7938 16/* $Id$ */
a9e2aefa 17
30178c30 18#include <TMinuit.h>
19#include <TF1.h>
20
a9e2aefa 21#include "AliMUONClusterFinderVS.h"
22#include "AliMUONDigit.h"
23#include "AliMUONRawCluster.h"
a30a000f 24#include "AliSegmentation.h"
a9e2aefa 25#include "AliMUONResponse.h"
c1a185bf 26#include "AliMUONClusterInput.h"
a9e2aefa 27#include "AliMUONHitMapA1.h"
8c343c7c 28#include "AliLog.h"
a9e2aefa 29
30//_____________________________________________________________________
a9e2aefa 31// This function is minimized in the double-Mathieson fit
32void fcnS2(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
33void fcnS1(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
34void fcnCombiS1(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
35void fcnCombiS2(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
36
37ClassImp(AliMUONClusterFinderVS)
38
4da78c65 39AliMUONClusterFinderVS::AliMUONClusterFinderVS()
30178c30 40 : TObject()
a9e2aefa 41{
42// Default constructor
30aaba74 43 fInput=AliMUONClusterInput::Instance();
44 fHitMap[0] = 0;
45 fHitMap[1] = 0;
a9e2aefa 46 fTrack[0]=fTrack[1]=-1;
07cfabcf 47 fDebugLevel = 0; // make silent default
48 fGhostChi2Cut = 1e6; // nothing done by default
3f5cf0b3 49 fSeg[0] = 0;
50 fSeg[1] = 0;
51 for(Int_t i=0; i<100; i++) {
52 for (Int_t j=0; j<2; j++) {
53 fDig[i][j] = 0;
54 }
4da78c65 55 }
56 fRawClusters = new TClonesArray("AliMUONRawCluster",1000);
57 fNRawClusters = 0;
4da78c65 58}
59 //____________________________________________________________________________
60AliMUONClusterFinderVS::~AliMUONClusterFinderVS()
61{
62 // Reset tracks information
63 fNRawClusters = 0;
86b48c39 64 if (fRawClusters) {
65 fRawClusters->Delete();
66 delete fRawClusters;
67 }
a9e2aefa 68}
69
e3cba86e 70AliMUONClusterFinderVS::AliMUONClusterFinderVS(const AliMUONClusterFinderVS & clusterFinder):TObject(clusterFinder)
a9e2aefa 71{
30178c30 72// Protected copy constructor
73
8c343c7c 74 AliFatal("Not implemented.");
a9e2aefa 75}
4da78c65 76//____________________________________________________________________________
77void AliMUONClusterFinderVS::ResetRawClusters()
78{
79 // Reset tracks information
80 fNRawClusters = 0;
81 if (fRawClusters) fRawClusters->Clear();
82}
83//____________________________________________________________________________
a9e2aefa 84void AliMUONClusterFinderVS::Decluster(AliMUONRawCluster *cluster)
85{
86// Decluster by local maxima
87 SplitByLocalMaxima(cluster);
88}
4da78c65 89//____________________________________________________________________________
a9e2aefa 90void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
91{
92// Split complex cluster by local maxima
a9e2aefa 93 Int_t cath, i;
9825400f 94
30aaba74 95 fInput->SetCluster(c);
9825400f 96
9e993f2a 97 fMul[0]=c->GetMultiplicity(0);
98 fMul[1]=c->GetMultiplicity(1);
a9e2aefa 99
100//
101// dump digit information into arrays
102//
9825400f 103
f0d86bc4 104 Float_t qtot;
a9e2aefa 105
106 for (cath=0; cath<2; cath++) {
107 qtot=0;
108 for (i=0; i<fMul[cath]; i++)
109 {
110 // pointer to digit
0164904a 111 fDig[i][cath]=fInput->Digit(cath, c->GetIndex(i, cath));
a9e2aefa 112 // pad coordinates
08a636a8 113 fIx[i][cath]= fDig[i][cath]->PadX();
114 fIy[i][cath]= fDig[i][cath]->PadY();
a9e2aefa 115 // pad charge
08a636a8 116 fQ[i][cath] = fDig[i][cath]->Signal();
a9e2aefa 117 // pad centre coordinates
f0d86bc4 118 fSeg[cath]->
119 GetPadC(fIx[i][cath], fIy[i][cath], fX[i][cath], fY[i][cath], fZ[i][cath]);
a9e2aefa 120 } // loop over cluster digits
a9e2aefa 121 } // loop over cathodes
122
123
124 FindLocalMaxima(c);
125
126//
127// Initialise and perform mathieson fits
128 Float_t chi2, oldchi2;
129// ++++++++++++++++++*************+++++++++++++++++++++
130// (1) No more than one local maximum per cathode plane
131// +++++++++++++++++++++++++++++++*************++++++++
132 if ((fNLocal[0]==1 && (fNLocal[1]==0 || fNLocal[1]==1)) ||
133 (fNLocal[0]==0 && fNLocal[1]==1)) {
a9e2aefa 134// Perform combined single Mathieson fit
135// Initial values for coordinates (x,y)
136
137 // One local maximum on cathodes 1 and 2 (X->cathode 2, Y->cathode 1)
138 if (fNLocal[0]==1 && fNLocal[1]==1) {
ba12c242 139 fXInit[0]=c->GetX(1);
140 fYInit[0]=c->GetY(0);
a9e2aefa 141 // One local maximum on cathode 1 (X,Y->cathode 1)
142 } else if (fNLocal[0]==1) {
ba12c242 143 fXInit[0]=c->GetX(0);
144 fYInit[0]=c->GetY(0);
a9e2aefa 145 // One local maximum on cathode 2 (X,Y->cathode 2)
146 } else {
ba12c242 147 fXInit[0]=c->GetX(1);
148 fYInit[0]=c->GetY(1);
a9e2aefa 149 }
8c343c7c 150 AliDebug(1,"cas (1) CombiSingleMathiesonFit(c)");
a9e2aefa 151 chi2=CombiSingleMathiesonFit(c);
152// Int_t ndf = fgNbins[0]+fgNbins[1]-2;
153// Float_t prob = TMath::Prob(Double_t(chi2),ndf);
154// prob1->Fill(prob);
155// chi2_1->Fill(chi2);
156 oldchi2=chi2;
8c343c7c 157 AliDebug(1,Form(" chi2 %f ",chi2));
a9e2aefa 158
ba12c242 159 c->SetX(0, fXFit[0]);
160 c->SetY(0, fYFit[0]);
a9e2aefa 161
ba12c242 162 c->SetX(1,fXFit[0]);
163 c->SetY(1,fYFit[0]);
3b5272e3 164 c->SetChi2(0,chi2);
165 c->SetChi2(1,chi2);
07cfabcf 166 // Force on anod
ba12c242 167 c->SetX(0, fSeg[0]->GetAnod(c->GetX(0)));
168 c->SetX(1, fSeg[1]->GetAnod(c->GetX(1)));
a9e2aefa 169
170// If reasonable chi^2 add result to the list of rawclusters
a9e2aefa 171 if (chi2 < 0.3) {
172 AddRawCluster(*c);
173// If not try combined double Mathieson Fit
174 } else {
19dd5b2f 175 if (fDebugLevel)
a9e2aefa 176 fprintf(stderr," MAUVAIS CHI2 !!!\n");
177 if (fNLocal[0]==1 && fNLocal[1]==1) {
178 fXInit[0]=fX[fIndLocal[0][1]][1];
179 fYInit[0]=fY[fIndLocal[0][0]][0];
180 fXInit[1]=fX[fIndLocal[0][1]][1];
181 fYInit[1]=fY[fIndLocal[0][0]][0];
182 } else if (fNLocal[0]==1) {
183 fXInit[0]=fX[fIndLocal[0][0]][0];
184 fYInit[0]=fY[fIndLocal[0][0]][0];
185 fXInit[1]=fX[fIndLocal[0][0]][0];
186 fYInit[1]=fY[fIndLocal[0][0]][0];
187 } else {
188 fXInit[0]=fX[fIndLocal[0][1]][1];
189 fYInit[0]=fY[fIndLocal[0][1]][1];
190 fXInit[1]=fX[fIndLocal[0][1]][1];
191 fYInit[1]=fY[fIndLocal[0][1]][1];
192 }
193
194// Initial value for charge ratios
195 fQrInit[0]=0.5;
196 fQrInit[1]=0.5;
07cfabcf 197 if (fDebugLevel)
a9e2aefa 198 fprintf(stderr,"\n cas (1) CombiDoubleMathiesonFit(c)\n");
199 chi2=CombiDoubleMathiesonFit(c);
200// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
201// Float_t prob = TMath::Prob(chi2,ndf);
202// prob2->Fill(prob);
203// chi2_2->Fill(chi2);
204
205// Was this any better ??
8c343c7c 206 AliDebug(1,Form(" Old and new chi2 %f %f ", oldchi2, chi2));
a9e2aefa 207 if (fFitStat!=0 && chi2>0 && (2.*chi2 < oldchi2)) {
8c343c7c 208 AliDebug(1,"Split");
a9e2aefa 209 // Split cluster into two according to fit result
210 Split(c);
211 } else {
8c343c7c 212 AliDebug(1,"Do not Split");
a9e2aefa 213 // Don't split
214 AddRawCluster(*c);
215 }
216 }
217
218// +++++++++++++++++++++++++++++++++++++++
219// (2) Two local maxima per cathode plane
220// +++++++++++++++++++++++++++++++++++++++
221 } else if (fNLocal[0]==2 && fNLocal[1]==2) {
222//
223// Let's look for ghosts first
05c39730 224
a9e2aefa 225 Float_t xm[4][2], ym[4][2];
226 Float_t dpx, dpy, dx, dy;
227 Int_t ixm[4][2], iym[4][2];
228 Int_t isec, im1, im2, ico;
229//
230// Form the 2x2 combinations
231// 0-0, 0-1, 1-0, 1-1
232 ico=0;
233 for (im1=0; im1<2; im1++) {
234 for (im2=0; im2<2; im2++) {
235 xm[ico][0]=fX[fIndLocal[im1][0]][0];
236 ym[ico][0]=fY[fIndLocal[im1][0]][0];
237 xm[ico][1]=fX[fIndLocal[im2][1]][1];
238 ym[ico][1]=fY[fIndLocal[im2][1]][1];
239
240 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
241 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
242 ixm[ico][1]=fIx[fIndLocal[im2][1]][1];
243 iym[ico][1]=fIy[fIndLocal[im2][1]][1];
244 ico++;
245 }
246 }
247// ico = 0 : first local maximum on cathodes 1 and 2
248// ico = 1 : fisrt local maximum on cathode 1 and second on cathode 2
249// ico = 2 : second local maximum on cathode 1 and first on cathode 1
250// ico = 3 : second local maximum on cathodes 1 and 2
251
252// Analyse the combinations and keep those that are possible !
253// For each combination check consistency in x and y
05c39730 254 Int_t iacc;
255 Bool_t accepted[4];
256 Float_t dr[4] = {1.e4, 1.e4, 1.e4, 1.e4};
a9e2aefa 257 iacc=0;
05c39730 258
259// In case of staggering maxima are displaced by exactly half the pad-size in y.
260// We have to take into account the numerical precision in the consistency check;
261 Float_t eps = 1.e-5;
262//
a9e2aefa 263 for (ico=0; ico<4; ico++) {
264 accepted[ico]=kFALSE;
265// cathode one: x-coordinate
f0d86bc4 266 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
267 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 268 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
269// cathode two: y-coordinate
f0d86bc4 270 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
271 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 272 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
05c39730 273 if (fDebugLevel>1)
274 printf("\n %i %f %f %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy, dx, dpx );
275 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 276 // consistent
277 accepted[ico]=kTRUE;
05c39730 278 dr[ico] = TMath::Sqrt(dx*dx+dy*dy);
a9e2aefa 279 iacc++;
280 } else {
281 // reject
282 accepted[ico]=kFALSE;
283 }
284 }
19dd5b2f 285 if (fDebugLevel)
286 printf("\n iacc= %d:\n", iacc);
05c39730 287 if (iacc == 3) {
288 if (accepted[0] && accepted[1]) {
289 if (dr[0] >= dr[1]) {
290 accepted[0]=kFALSE;
291 } else {
292 accepted[1]=kFALSE;
293 }
294 }
a9e2aefa 295
05c39730 296 if (accepted[2] && accepted[3]) {
297 if (dr[2] >= dr[3]) {
298 accepted[2]=kFALSE;
299 } else {
300 accepted[3]=kFALSE;
301 }
302 }
303/*
304// eliminate one candidate
305 Float_t drmax = 0;
306 Int_t icobad = -1;
307
308 for (ico=0; ico<4; ico++) {
309 if (accepted[ico] && dr[ico] > drmax) {
310 icobad = ico;
311 drmax = dr[ico];
312 }
313 }
314
315 accepted[icobad] = kFALSE;
316*/
317 iacc = 2;
318 }
319
320
07cfabcf 321 if (fDebugLevel) {
19dd5b2f 322 printf("\n iacc= %d:\n", iacc);
07cfabcf 323 if (iacc==2) {
324 fprintf(stderr,"\n iacc=2: No problem ! \n");
325 } else if (iacc==4) {
326 fprintf(stderr,"\n iacc=4: Ok, but ghost problem !!! \n");
327 } else if (iacc==0) {
328 fprintf(stderr,"\n iacc=0: I don't know what to do with this !!!!!!!!! \n");
329 }
a9e2aefa 330 }
331
332// Initial value for charge ratios
333 fQrInit[0]=Float_t(fQ[fIndLocal[0][0]][0])/
334 Float_t(fQ[fIndLocal[0][0]][0]+fQ[fIndLocal[1][0]][0]);
335 fQrInit[1]=Float_t(fQ[fIndLocal[0][1]][1])/
336 Float_t(fQ[fIndLocal[0][1]][1]+fQ[fIndLocal[1][1]][1]);
337
338// ******* iacc = 0 *******
339// No combinations found between the 2 cathodes
340// We keep the center of gravity of the cluster
341 if (iacc==0) {
342 AddRawCluster(*c);
343 }
344
345// ******* iacc = 1 *******
346// Only one combination found between the 2 cathodes
347 if (iacc==1) {
a9e2aefa 348// Initial values for the 2 maxima (x,y)
349
350// 1 maximum is initialised with the maximum of the combination found (X->cathode 2, Y->cathode 1)
351// 1 maximum is initialised with the other maximum of the first cathode
352 if (accepted[0]){
8c343c7c 353 AliDebug(1,"ico=0");
a9e2aefa 354 fXInit[0]=xm[0][1];
355 fYInit[0]=ym[0][0];
356 fXInit[1]=xm[3][0];
357 fYInit[1]=ym[3][0];
358 } else if (accepted[1]){
8c343c7c 359 AliDebug(1,"ico=1");
a9e2aefa 360 fXInit[0]=xm[1][1];
361 fYInit[0]=ym[1][0];
362 fXInit[1]=xm[2][0];
363 fYInit[1]=ym[2][0];
364 } else if (accepted[2]){
8c343c7c 365 AliDebug(1,"ico=2");
a9e2aefa 366 fXInit[0]=xm[2][1];
367 fYInit[0]=ym[2][0];
368 fXInit[1]=xm[1][0];
369 fYInit[1]=ym[1][0];
370 } else if (accepted[3]){
8c343c7c 371 AliDebug(1,"ico=3");
a9e2aefa 372 fXInit[0]=xm[3][1];
373 fYInit[0]=ym[3][0];
374 fXInit[1]=xm[0][0];
375 fYInit[1]=ym[0][0];
376 }
8c343c7c 377 AliDebug(1,"cas (2) CombiDoubleMathiesonFit(c)");
a9e2aefa 378 chi2=CombiDoubleMathiesonFit(c);
379// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
380// Float_t prob = TMath::Prob(chi2,ndf);
381// prob2->Fill(prob);
382// chi2_2->Fill(chi2);
8c343c7c 383 AliDebug(1,Form(" chi2 %f\n",chi2));
a9e2aefa 384
385// If reasonable chi^2 add result to the list of rawclusters
386 if (chi2<10) {
387 Split(c);
388
389 } else {
390// 1 maximum is initialised with the maximum of the combination found (X->cathode 2, Y->cathode 1)
391// 1 maximum is initialised with the other maximum of the second cathode
392 if (accepted[0]){
8c343c7c 393 AliDebug(1,"ico=0");
a9e2aefa 394 fXInit[0]=xm[0][1];
395 fYInit[0]=ym[0][0];
396 fXInit[1]=xm[3][1];
397 fYInit[1]=ym[3][1];
398 } else if (accepted[1]){
8c343c7c 399 AliDebug(1,"ico=1");
a9e2aefa 400 fXInit[0]=xm[1][1];
401 fYInit[0]=ym[1][0];
402 fXInit[1]=xm[2][1];
403 fYInit[1]=ym[2][1];
404 } else if (accepted[2]){
8c343c7c 405 AliDebug(1,"ico=2");
a9e2aefa 406 fXInit[0]=xm[2][1];
407 fYInit[0]=ym[2][0];
408 fXInit[1]=xm[1][1];
409 fYInit[1]=ym[1][1];
410 } else if (accepted[3]){
8c343c7c 411 AliDebug(1,"ico=3");
a9e2aefa 412 fXInit[0]=xm[3][1];
413 fYInit[0]=ym[3][0];
414 fXInit[1]=xm[0][1];
415 fYInit[1]=ym[0][1];
416 }
8c343c7c 417 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
a9e2aefa 418 chi2=CombiDoubleMathiesonFit(c);
419// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
420// Float_t prob = TMath::Prob(chi2,ndf);
421// prob2->Fill(prob);
422// chi2_2->Fill(chi2);
07cfabcf 423 if (fDebugLevel)
424 fprintf(stderr," chi2 %f\n",chi2);
a9e2aefa 425
426// If reasonable chi^2 add result to the list of rawclusters
427 if (chi2<10) {
428 Split(c);
429 } else {
430//We keep only the combination found (X->cathode 2, Y->cathode 1)
431 for (Int_t ico=0; ico<2; ico++) {
432 if (accepted[ico]) {
433 AliMUONRawCluster cnew;
434 Int_t cath;
435 for (cath=0; cath<2; cath++) {
ba12c242 436 cnew.SetX(cath, Float_t(xm[ico][1]));
437 cnew.SetY(cath, Float_t(ym[ico][0]));
438 cnew.SetZ(cath, fZPlane);
aadda617 439
9e993f2a 440 cnew.SetMultiplicity(cath,c->GetMultiplicity(cath));
a9e2aefa 441 for (i=0; i<fMul[cath]; i++) {
0164904a 442 cnew.SetIndex(i, cath, c->GetIndex(i,cath));
f0d86bc4 443 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 444 }
453e4e5c 445 if (fDebugLevel) {
446 fprintf(stderr,"\nRawCluster %d cath %d\n",ico,cath);
447 fprintf(stderr,"mult_av %d\n",c->GetMultiplicity(cath));
448 }
9825400f 449 FillCluster(&cnew,cath);
a9e2aefa 450 }
9e993f2a 451 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 452 AddRawCluster(cnew);
453 fNPeaks++;
454 }
455 }
456 }
457 }
458 }
9825400f 459
a9e2aefa 460// ******* iacc = 2 *******
461// Two combinations found between the 2 cathodes
462 if (iacc==2) {
a9e2aefa 463// Was the same maximum taken twice
9825400f 464 if ((accepted[0]&&accepted[1]) || (accepted[2]&&accepted[3])) {
453e4e5c 465 if (fDebugLevel) fprintf(stderr,"\n Maximum taken twice !!!\n");
a9e2aefa 466
05c39730 467// Have a try !! with that
9825400f 468 if (accepted[0]&&accepted[3]) {
469 fXInit[0]=xm[0][1];
470 fYInit[0]=ym[0][0];
471 fXInit[1]=xm[1][1];
472 fYInit[1]=ym[1][0];
473 } else {
474 fXInit[0]=xm[2][1];
475 fYInit[0]=ym[2][0];
476 fXInit[1]=xm[3][1];
477 fYInit[1]=ym[3][0];
478 }
07cfabcf 479 if (fDebugLevel)
480 fprintf(stderr,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 481 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 482// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
483// Float_t prob = TMath::Prob(chi2,ndf);
484// prob2->Fill(prob);
485// chi2_2->Fill(chi2);
9825400f 486 Split(c);
487
488 } else {
a9e2aefa 489// No ghosts ! No Problems ! - Perform one fit only !
9825400f 490 if (accepted[0]&&accepted[3]) {
491 fXInit[0]=xm[0][1];
492 fYInit[0]=ym[0][0];
493 fXInit[1]=xm[3][1];
494 fYInit[1]=ym[3][0];
495 } else {
496 fXInit[0]=xm[1][1];
497 fYInit[0]=ym[1][0];
498 fXInit[1]=xm[2][1];
499 fYInit[1]=ym[2][0];
500 }
07cfabcf 501 if (fDebugLevel)
502 fprintf(stderr,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 503 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 504// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
505// Float_t prob = TMath::Prob(chi2,ndf);
506// prob2->Fill(prob);
507// chi2_2->Fill(chi2);
07cfabcf 508 if (fDebugLevel)
509 fprintf(stderr," chi2 %f\n",chi2);
9825400f 510 Split(c);
511 }
512
a9e2aefa 513// ******* iacc = 4 *******
514// Four combinations found between the 2 cathodes
515// Ghost !!
9825400f 516 } else if (iacc==4) {
a9e2aefa 517// Perform fits for the two possibilities !!
07cfabcf 518// Accept if charges are compatible on both cathodes
519// If none are compatible, keep everything
9825400f 520 fXInit[0]=xm[0][1];
521 fYInit[0]=ym[0][0];
522 fXInit[1]=xm[3][1];
523 fYInit[1]=ym[3][0];
07cfabcf 524 if (fDebugLevel)
525 fprintf(stderr,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 526 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 527// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
528// Float_t prob = TMath::Prob(chi2,ndf);
529// prob2->Fill(prob);
530// chi2_2->Fill(chi2);
07cfabcf 531 if (fDebugLevel)
532 fprintf(stderr," chi2 %f\n",chi2);
533 // store results of fit and postpone decision
534 Double_t sXFit[2],sYFit[2],sQrFit[2];
535 Float_t sChi2[2];
536 for (Int_t i=0;i<2;i++) {
537 sXFit[i]=fXFit[i];
538 sYFit[i]=fYFit[i];
539 sQrFit[i]=fQrFit[i];
540 sChi2[i]=fChi2[i];
541 }
9825400f 542 fXInit[0]=xm[1][1];
543 fYInit[0]=ym[1][0];
544 fXInit[1]=xm[2][1];
545 fYInit[1]=ym[2][0];
07cfabcf 546 if (fDebugLevel)
547 fprintf(stderr,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 548 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 549// ndf = fgNbins[0]+fgNbins[1]-6;
550// prob = TMath::Prob(chi2,ndf);
551// prob2->Fill(prob);
552// chi2_2->Fill(chi2);
07cfabcf 553 if (fDebugLevel)
554 fprintf(stderr," chi2 %f\n",chi2);
555 // We have all informations to perform the decision
556 // Compute the chi2 for the 2 possibilities
557 Float_t chi2fi,chi2si,chi2f,chi2s;
558
559 chi2f = (TMath::Log(fInput->TotalCharge(0)*fQrFit[0]
560 / (fInput->TotalCharge(1)*fQrFit[1]) )
561 / fInput->Response()->ChargeCorrel() );
562 chi2f *=chi2f;
563 chi2fi = (TMath::Log(fInput->TotalCharge(0)*(1-fQrFit[0])
564 / (fInput->TotalCharge(1)*(1-fQrFit[1])) )
565 / fInput->Response()->ChargeCorrel() );
566 chi2f += chi2fi*chi2fi;
567
568 chi2s = (TMath::Log(fInput->TotalCharge(0)*sQrFit[0]
569 / (fInput->TotalCharge(1)*sQrFit[1]) )
570 / fInput->Response()->ChargeCorrel() );
571 chi2s *=chi2s;
572 chi2si = (TMath::Log(fInput->TotalCharge(0)*(1-sQrFit[0])
573 / (fInput->TotalCharge(1)*(1-sQrFit[1])) )
574 / fInput->Response()->ChargeCorrel() );
575 chi2s += chi2si*chi2si;
576
577 // usefull to store the charge matching chi2 in the cluster
578 // fChi2[0]=sChi2[1]=chi2f;
579 // fChi2[1]=sChi2[0]=chi2s;
580
581 if (chi2f<=fGhostChi2Cut && chi2s<=fGhostChi2Cut)
3b5272e3 582 c->SetGhost(1);
07cfabcf 583 if (chi2f>fGhostChi2Cut && chi2s>fGhostChi2Cut) {
584 // we keep the ghost
3b5272e3 585 c->SetGhost(2);
07cfabcf 586 chi2s=-1;
587 chi2f=-1;
588 }
589 if (chi2f<=fGhostChi2Cut)
590 Split(c);
591 if (chi2s<=fGhostChi2Cut) {
592 // retreive saved values
593 for (Int_t i=0;i<2;i++) {
594 fXFit[i]=sXFit[i];
595 fYFit[i]=sYFit[i];
596 fQrFit[i]=sQrFit[i];
597 fChi2[i]=sChi2[i];
598 }
599 Split(c);
600 }
3b5272e3 601 c->SetGhost(0);
9825400f 602 }
a9e2aefa 603
9825400f 604 } else if (fNLocal[0]==2 && fNLocal[1]==1) {
a9e2aefa 605// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
606// (3) Two local maxima on cathode 1 and one maximum on cathode 2
607// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
608//
609 Float_t xm[4][2], ym[4][2];
610 Float_t dpx, dpy, dx, dy;
611 Int_t ixm[4][2], iym[4][2];
612 Int_t isec, im1, ico;
613//
614// Form the 2x2 combinations
615// 0-0, 0-1, 1-0, 1-1
616 ico=0;
617 for (im1=0; im1<2; im1++) {
9825400f 618 xm[ico][0]=fX[fIndLocal[im1][0]][0];
619 ym[ico][0]=fY[fIndLocal[im1][0]][0];
620 xm[ico][1]=fX[fIndLocal[0][1]][1];
621 ym[ico][1]=fY[fIndLocal[0][1]][1];
622
623 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
624 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
625 ixm[ico][1]=fIx[fIndLocal[0][1]][1];
626 iym[ico][1]=fIy[fIndLocal[0][1]][1];
627 ico++;
a9e2aefa 628 }
629// ico = 0 : first local maximum on cathodes 1 and 2
630// ico = 1 : second local maximum on cathode 1 and first on cathode 2
631
632// Analyse the combinations and keep those that are possible !
633// For each combination check consistency in x and y
634 Int_t iacc;
635 Bool_t accepted[4];
636 iacc=0;
05c39730 637 // In case of staggering maxima are displaced by exactly half the pad-size in y.
375c469b 638 // We have to take into account the numerical precision in the consistency check;
639
05c39730 640 Float_t eps = 1.e-5;
641
a9e2aefa 642 for (ico=0; ico<2; ico++) {
643 accepted[ico]=kFALSE;
f0d86bc4 644 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
645 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 646 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
f0d86bc4 647 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
648 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 649 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
05c39730 650 if (fDebugLevel>1)
07cfabcf 651 printf("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy );
05c39730 652 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 653 // consistent
654 accepted[ico]=kTRUE;
655 iacc++;
656 } else {
657 // reject
658 accepted[ico]=kFALSE;
659 }
660 }
9825400f 661
a9e2aefa 662 Float_t chi21 = 100;
663 Float_t chi22 = 100;
05c39730 664 Float_t chi23 = 100;
665
666 // Initial value for charge ratios
667 fQrInit[0]=Float_t(fQ[fIndLocal[0][0]][0])/
668 Float_t(fQ[fIndLocal[0][0]][0]+fQ[fIndLocal[1][0]][0]);
669 fQrInit[1]=fQrInit[0];
9825400f 670
05c39730 671 if (accepted[0] && accepted[1]) {
672
673 fXInit[0]=0.5*(xm[0][1]+xm[0][0]);
674 fYInit[0]=ym[0][0];
675 fXInit[1]=0.5*(xm[0][1]+xm[1][0]);
676 fYInit[1]=ym[1][0];
677 fQrInit[0]=0.5;
678 fQrInit[1]=0.5;
679 chi23=CombiDoubleMathiesonFit(c);
680 if (chi23<10) {
681 Split(c);
682 Float_t yst;
683 yst = fYFit[0];
684 fYFit[0] = fYFit[1];
685 fYFit[1] = yst;
686 Split(c);
687 }
688 } else if (accepted[0]) {
a9e2aefa 689 fXInit[0]=xm[0][1];
690 fYInit[0]=ym[0][0];
691 fXInit[1]=xm[1][0];
692 fYInit[1]=ym[1][0];
693 chi21=CombiDoubleMathiesonFit(c);
694// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
695// Float_t prob = TMath::Prob(chi2,ndf);
696// prob2->Fill(prob);
697// chi2_2->Fill(chi21);
07cfabcf 698 if (fDebugLevel)
699 fprintf(stderr," chi2 %f\n",chi21);
a9e2aefa 700 if (chi21<10) Split(c);
701 } else if (accepted[1]) {
702 fXInit[0]=xm[1][1];
703 fYInit[0]=ym[1][0];
704 fXInit[1]=xm[0][0];
705 fYInit[1]=ym[0][0];
706 chi22=CombiDoubleMathiesonFit(c);
707// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
708// Float_t prob = TMath::Prob(chi2,ndf);
709// prob2->Fill(prob);
710// chi2_2->Fill(chi22);
07cfabcf 711 if (fDebugLevel)
712 fprintf(stderr," chi2 %f\n",chi22);
a9e2aefa 713 if (chi22<10) Split(c);
714 }
715
375c469b 716 if (chi21 > 10 && chi22 > 10 && chi23 > 10) {
a9e2aefa 717// We keep only the combination found (X->cathode 2, Y->cathode 1)
718 for (Int_t ico=0; ico<2; ico++) {
719 if (accepted[ico]) {
720 AliMUONRawCluster cnew;
721 Int_t cath;
722 for (cath=0; cath<2; cath++) {
ba12c242 723 cnew.SetX(cath, Float_t(xm[ico][1]));
724 cnew.SetY(cath, Float_t(ym[ico][0]));
725 cnew.SetZ(cath, fZPlane);
9e993f2a 726 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 727 for (i=0; i<fMul[cath]; i++) {
0164904a 728 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
f0d86bc4 729 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 730 }
453e4e5c 731 if (fDebugLevel){
732 fprintf(stderr,"\nRawCluster %d cath %d\n",ico,cath);
733 fprintf(stderr,"mult_av %d\n",c->GetMultiplicity(cath));
734 }
a9e2aefa 735 FillCluster(&cnew,cath);
736 }
9e993f2a 737 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 738 AddRawCluster(cnew);
739 fNPeaks++;
740 }
741 }
742 }
9825400f 743
a9e2aefa 744// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
745// (3') One local maximum on cathode 1 and two maxima on cathode 2
746// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
747 } else if (fNLocal[0]==1 && fNLocal[1]==2) {
a9e2aefa 748 Float_t xm[4][2], ym[4][2];
749 Float_t dpx, dpy, dx, dy;
750 Int_t ixm[4][2], iym[4][2];
751 Int_t isec, im1, ico;
752//
753// Form the 2x2 combinations
754// 0-0, 0-1, 1-0, 1-1
755 ico=0;
756 for (im1=0; im1<2; im1++) {
9825400f 757 xm[ico][0]=fX[fIndLocal[0][0]][0];
758 ym[ico][0]=fY[fIndLocal[0][0]][0];
759 xm[ico][1]=fX[fIndLocal[im1][1]][1];
760 ym[ico][1]=fY[fIndLocal[im1][1]][1];
761
762 ixm[ico][0]=fIx[fIndLocal[0][0]][0];
763 iym[ico][0]=fIy[fIndLocal[0][0]][0];
764 ixm[ico][1]=fIx[fIndLocal[im1][1]][1];
765 iym[ico][1]=fIy[fIndLocal[im1][1]][1];
766 ico++;
a9e2aefa 767 }
768// ico = 0 : first local maximum on cathodes 1 and 2
769// ico = 1 : first local maximum on cathode 1 and second on cathode 2
770
771// Analyse the combinations and keep those that are possible !
772// For each combination check consistency in x and y
773 Int_t iacc;
774 Bool_t accepted[4];
775 iacc=0;
05c39730 776 // In case of staggering maxima are displaced by exactly half the pad-size in y.
777 // We have to take into account the numerical precision in the consistency check;
778 Float_t eps = 1.e-5;
779
a9e2aefa 780
781 for (ico=0; ico<2; ico++) {
782 accepted[ico]=kFALSE;
f0d86bc4 783 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
784 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 785 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
f0d86bc4 786 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
787 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 788 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
05c39730 789 if (fDebugLevel>0)
07cfabcf 790 printf("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy );
05c39730 791 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 792 // consistent
793 accepted[ico]=kTRUE;
453e4e5c 794 if (fDebugLevel) fprintf(stderr,"ico %d\n",ico);
a9e2aefa 795 iacc++;
796 } else {
797 // reject
798 accepted[ico]=kFALSE;
799 }
800 }
801
802 Float_t chi21 = 100;
803 Float_t chi22 = 100;
05c39730 804 Float_t chi23 = 100;
805
806 fQrInit[1]=Float_t(fQ[fIndLocal[0][1]][1])/
807 Float_t(fQ[fIndLocal[0][1]][1]+fQ[fIndLocal[1][1]][1]);
808
809 fQrInit[0]=fQrInit[1];
a9e2aefa 810
05c39730 811
812 if (accepted[0] && accepted[1]) {
813 fXInit[0]=xm[0][1];
814 fYInit[0]=0.5*(ym[0][0]+ym[0][1]);
815 fXInit[1]=xm[1][1];
816 fYInit[1]=0.5*(ym[0][0]+ym[1][1]);
817 fQrInit[0]=0.5;
818 fQrInit[1]=0.5;
819 chi23=CombiDoubleMathiesonFit(c);
820 if (chi23<10) {
821 Split(c);
822 Float_t yst;
823 yst = fYFit[0];
824 fYFit[0] = fYFit[1];
825 fYFit[1] = yst;
826 Split(c);
827 }
828 } else if (accepted[0]) {
a9e2aefa 829 fXInit[0]=xm[0][0];
830 fYInit[0]=ym[0][1];
831 fXInit[1]=xm[1][1];
832 fYInit[1]=ym[1][1];
833 chi21=CombiDoubleMathiesonFit(c);
834// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
835// Float_t prob = TMath::Prob(chi2,ndf);
836// prob2->Fill(prob);
837// chi2_2->Fill(chi21);
07cfabcf 838 if (fDebugLevel)
839 fprintf(stderr," chi2 %f\n",chi21);
a9e2aefa 840 if (chi21<10) Split(c);
841 } else if (accepted[1]) {
842 fXInit[0]=xm[1][0];
843 fYInit[0]=ym[1][1];
844 fXInit[1]=xm[0][1];
845 fYInit[1]=ym[0][1];
846 chi22=CombiDoubleMathiesonFit(c);
847// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
848// Float_t prob = TMath::Prob(chi2,ndf);
849// prob2->Fill(prob);
850// chi2_2->Fill(chi22);
07cfabcf 851 if (fDebugLevel)
852 fprintf(stderr," chi2 %f\n",chi22);
a9e2aefa 853 if (chi22<10) Split(c);
854 }
855
05c39730 856 if (chi21 > 10 && chi22 > 10 && chi23 > 10) {
a9e2aefa 857//We keep only the combination found (X->cathode 2, Y->cathode 1)
858 for (Int_t ico=0; ico<2; ico++) {
859 if (accepted[ico]) {
860 AliMUONRawCluster cnew;
861 Int_t cath;
862 for (cath=0; cath<2; cath++) {
ba12c242 863 cnew.SetX(cath, Float_t(xm[ico][1]));
864 cnew.SetY(cath, Float_t(ym[ico][0]));
865 cnew.SetZ(cath, fZPlane);
9e993f2a 866 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 867 for (i=0; i<fMul[cath]; i++) {
0164904a 868 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
f0d86bc4 869 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 870 }
453e4e5c 871 if (fDebugLevel) {
872 fprintf(stderr,"\nRawCluster %d cath %d\n",ico,cath);
873 fprintf(stderr,"mult_av %d\n",c->GetMultiplicity(cath));
874 }
a9e2aefa 875 FillCluster(&cnew,cath);
876 }
9e993f2a 877 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 878 AddRawCluster(cnew);
879 fNPeaks++;
880 }
881 }
882 }
883
884// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
885// (4) At least three local maxima on cathode 1 or on cathode 2
886// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
887 } else if (fNLocal[0]>2 || fNLocal[1]>2) {
a9e2aefa 888 Int_t param = fNLocal[0]*fNLocal[1];
f8ffca81 889 Int_t ii;
9825400f 890
39e6d319 891 Float_t ** xm = new Float_t * [param];
892 for (ii=0; ii<param; ii++) xm[ii]=new Float_t [2];
893 Float_t ** ym = new Float_t * [param];
894 for (ii=0; ii<param; ii++) ym[ii]=new Float_t [2];
895 Int_t ** ixm = new Int_t * [param];
896 for (ii=0; ii<param; ii++) ixm[ii]=new Int_t [2];
897 Int_t ** iym = new Int_t * [param];
898 for (ii=0; ii<param; ii++) iym[ii]=new Int_t [2];
f8ffca81 899
a9e2aefa 900 Int_t isec, ico;
901 Float_t dpx, dpy, dx, dy;
902
903 ico=0;
904 for (Int_t im1=0; im1<fNLocal[0]; im1++) {
905 for (Int_t im2=0; im2<fNLocal[1]; im2++) {
906 xm[ico][0]=fX[fIndLocal[im1][0]][0];
907 ym[ico][0]=fY[fIndLocal[im1][0]][0];
908 xm[ico][1]=fX[fIndLocal[im2][1]][1];
909 ym[ico][1]=fY[fIndLocal[im2][1]][1];
910
911 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
912 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
913 ixm[ico][1]=fIx[fIndLocal[im2][1]][1];
914 iym[ico][1]=fIy[fIndLocal[im2][1]][1];
915 ico++;
916 }
917 }
9825400f 918
a9e2aefa 919 Int_t nIco = ico;
07cfabcf 920 if (fDebugLevel)
921 fprintf(stderr,"nIco %d\n",nIco);
a9e2aefa 922 for (ico=0; ico<nIco; ico++) {
07cfabcf 923 if (fDebugLevel)
924 fprintf(stderr,"ico = %d\n",ico);
f0d86bc4 925 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
926 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 927 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
f0d86bc4 928 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
929 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 930 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
07cfabcf 931 if (fDebugLevel) {
932 fprintf(stderr,"dx %f dpx %f dy %f dpy %f\n",dx,dpx,dy,dpy);
933 fprintf(stderr," X %f Y %f\n",xm[ico][1],ym[ico][0]);
934 }
a9e2aefa 935 if ((dx <= dpx) && (dy <= dpy)) {
07cfabcf 936 if (fDebugLevel)
937 fprintf(stderr,"ok\n");
a9e2aefa 938 Int_t cath;
939 AliMUONRawCluster cnew;
940 for (cath=0; cath<2; cath++) {
ba12c242 941 cnew.SetX(cath, Float_t(xm[ico][1]));
942 cnew.SetY(cath, Float_t(ym[ico][0]));
943 cnew.SetZ(cath, fZPlane);
9e993f2a 944 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 945 for (i=0; i<fMul[cath]; i++) {
0164904a 946 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
f0d86bc4 947 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 948 }
949 FillCluster(&cnew,cath);
950 }
9e993f2a 951 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 952 AddRawCluster(cnew);
953 fNPeaks++;
954 }
955 }
f8ffca81 956 delete [] xm;
957 delete [] ym;
958 delete [] ixm;
959 delete [] iym;
a9e2aefa 960 }
961}
962
e3cba86e 963void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
a9e2aefa 964{
965// Find all local maxima of a cluster
07cfabcf 966 if (fDebugLevel)
967 printf("\n Find Local maxima !");
f0d86bc4 968
a9e2aefa 969 AliMUONDigit* digt;
970
971 Int_t cath, cath1; // loops over cathodes
972 Int_t i; // loops over digits
973 Int_t j; // loops over cathodes
974//
975// Find local maxima
976//
977// counters for number of local maxima
978 fNLocal[0]=fNLocal[1]=0;
979// flags digits as local maximum
980 Bool_t isLocal[100][2];
981 for (i=0; i<100;i++) {
982 isLocal[i][0]=isLocal[i][1]=kFALSE;
983 }
984// number of next neighbours and arrays to store them
985 Int_t nn;
30aaba74 986 Int_t x[10], y[10];
a9e2aefa 987// loop over cathodes
988 for (cath=0; cath<2; cath++) {
989// loop over cluster digits
990 for (i=0; i<fMul[cath]; i++) {
991// get neighbours for that digit and assume that it is local maximum
f0d86bc4 992 fSeg[cath]->Neighbours(fIx[i][cath], fIy[i][cath], &nn, x, y);
a9e2aefa 993 isLocal[i][cath]=kTRUE;
f0d86bc4 994 Int_t isec= fSeg[cath]->Sector(fIx[i][cath], fIy[i][cath]);
995 Float_t a0 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
a9e2aefa 996// loop over next neighbours, if at least one neighbour has higher charger assumption
997// digit is not local maximum
998 for (j=0; j<nn; j++) {
30aaba74 999 if (fHitMap[cath]->TestHit(x[j], y[j])==kEmpty) continue;
1000 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(x[j], y[j]);
f0d86bc4 1001 isec=fSeg[cath]->Sector(x[j], y[j]);
1002 Float_t a1 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
08a636a8 1003 if (digt->Signal()/a1 > fQ[i][cath]/a0) {
a9e2aefa 1004 isLocal[i][cath]=kFALSE;
1005 break;
1006//
1007// handle special case of neighbouring pads with equal signal
08a636a8 1008 } else if (digt->Signal() == fQ[i][cath]) {
a9e2aefa 1009 if (fNLocal[cath]>0) {
1010 for (Int_t k=0; k<fNLocal[cath]; k++) {
1011 if (x[j]==fIx[fIndLocal[k][cath]][cath]
1012 && y[j]==fIy[fIndLocal[k][cath]][cath])
1013 {
1014 isLocal[i][cath]=kFALSE;
1015 }
1016 } // loop over local maxima
1017 } // are there already local maxima
1018 } // same charge ?
1019 } // loop over next neighbours
1020 if (isLocal[i][cath]) {
1021 fIndLocal[fNLocal[cath]][cath]=i;
1022 fNLocal[cath]++;
1023 }
1024 } // loop over all digits
1025 } // loop over cathodes
07cfabcf 1026
1027 if (fDebugLevel) {
1028 printf("\n Found %d %d %d %d local Maxima\n",
1029 fNLocal[0], fNLocal[1], fMul[0], fMul[1]);
1030 fprintf(stderr,"\n Cathode 1 local Maxima %d Multiplicite %d\n",fNLocal[0], fMul[0]);
1031 fprintf(stderr," Cathode 2 local Maxima %d Multiplicite %d\n",fNLocal[1], fMul[1]);
1032 }
a9e2aefa 1033 Int_t ix, iy, isec;
1034 Float_t dpx, dpy;
1035
1036
1037 if (fNLocal[1]==2 && (fNLocal[0]==1 || fNLocal[0]==0)) {
1038 Int_t iback=fNLocal[0];
1039
1040// Two local maxima on cathode 2 and one maximum on cathode 1
1041// Look for local maxima considering up and down neighbours on the 1st cathode only
1042//
1043// Loop over cluster digits
1044 cath=0;
1045 cath1=1;
1046
1047 for (i=0; i<fMul[cath]; i++) {
f0d86bc4 1048 isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
1049 dpy=fSeg[cath]->Dpy(isec);
1050 dpx=fSeg[cath]->Dpx(isec);
a9e2aefa 1051 if (isLocal[i][cath]) continue;
1052// Pad position should be consistent with position of local maxima on the opposite cathode
1053 if ((TMath::Abs(fX[i][cath]-fX[fIndLocal[0][cath1]][cath1]) > dpx/2.) &&
1054 (TMath::Abs(fX[i][cath]-fX[fIndLocal[1][cath1]][cath1]) > dpx/2.))
1055 continue;
1056
1057// get neighbours for that digit and assume that it is local maximum
1058 isLocal[i][cath]=kTRUE;
1059// compare signal to that on the two neighbours on the left and on the right
a9e2aefa 1060// iNN counts the number of neighbours with signal, it should be 1 or 2
1061 Int_t iNN=0;
f0d86bc4 1062
1063 for (fSeg[cath]
1064 ->FirstPad(fX[i][cath], fY[i][cath], fZPlane, 0., dpy);
1065 fSeg[cath]
1066 ->MorePads();
1067 fSeg[cath]
1068 ->NextPad())
1069 {
1070 ix = fSeg[cath]->Ix();
1071 iy = fSeg[cath]->Iy();
1072 // skip the current pad
1073 if (iy == fIy[i][cath]) continue;
1074
1075 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
1076 iNN++;
1077 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
08a636a8 1078 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
f0d86bc4 1079 }
1080 } // Loop over pad neighbours in y
a9e2aefa 1081 if (isLocal[i][cath] && iNN>0) {
1082 fIndLocal[fNLocal[cath]][cath]=i;
1083 fNLocal[cath]++;
1084 }
1085 } // loop over all digits
1086// if one additional maximum has been found we are happy
1087// if more maxima have been found restore the previous situation
07cfabcf 1088 if (fDebugLevel) {
1089 fprintf(stderr,
1090 "\n New search gives %d local maxima for cathode 1 \n",
1091 fNLocal[0]);
1092 fprintf(stderr,
1093 " %d local maxima for cathode 2 \n",
1094 fNLocal[1]);
1095 }
a9e2aefa 1096 if (fNLocal[cath]>2) {
1097 fNLocal[cath]=iback;
1098 }
1099
1100 } // 1,2 local maxima
1101
1102 if (fNLocal[0]==2 && (fNLocal[1]==1 || fNLocal[1]==0)) {
1103 Int_t iback=fNLocal[1];
1104
1105// Two local maxima on cathode 1 and one maximum on cathode 2
1106// Look for local maxima considering left and right neighbours on the 2nd cathode only
1107 cath=1;
05c39730 1108 Int_t cath1 = 0;
1109 Float_t eps = 1.e-5;
1110
a9e2aefa 1111//
1112// Loop over cluster digits
1113 for (i=0; i<fMul[cath]; i++) {
f0d86bc4 1114 isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
1115 dpx=fSeg[cath]->Dpx(isec);
1116 dpy=fSeg[cath]->Dpy(isec);
a9e2aefa 1117 if (isLocal[i][cath]) continue;
1118// Pad position should be consistent with position of local maxima on the opposite cathode
05c39730 1119 if ((TMath::Abs(fY[i][cath]-fY[fIndLocal[0][cath1]][cath1]) > dpy/2.+eps) &&
1120 (TMath::Abs(fY[i][cath]-fY[fIndLocal[1][cath1]][cath1]) > dpy/2.+eps))
a9e2aefa 1121 continue;
05c39730 1122
a9e2aefa 1123//
1124// get neighbours for that digit and assume that it is local maximum
1125 isLocal[i][cath]=kTRUE;
1126// compare signal to that on the two neighbours on the left and on the right
f0d86bc4 1127
a9e2aefa 1128// iNN counts the number of neighbours with signal, it should be 1 or 2
1129 Int_t iNN=0;
f0d86bc4 1130 for (fSeg[cath]
05c39730 1131 ->FirstPad(fX[i][cath], fY[i][cath], fZPlane, dpx, 0.);
f0d86bc4 1132 fSeg[cath]
1133 ->MorePads();
1134 fSeg[cath]
1135 ->NextPad())
1136 {
05c39730 1137
f0d86bc4 1138 ix = fSeg[cath]->Ix();
1139 iy = fSeg[cath]->Iy();
05c39730 1140
f0d86bc4 1141 // skip the current pad
1142 if (ix == fIx[i][cath]) continue;
1143
1144 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
1145 iNN++;
1146 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
08a636a8 1147 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
f0d86bc4 1148 }
1149 } // Loop over pad neighbours in x
a9e2aefa 1150 if (isLocal[i][cath] && iNN>0) {
1151 fIndLocal[fNLocal[cath]][cath]=i;
1152 fNLocal[cath]++;
1153 }
1154 } // loop over all digits
1155// if one additional maximum has been found we are happy
1156// if more maxima have been found restore the previous situation
07cfabcf 1157 if (fDebugLevel) {
1158 fprintf(stderr,"\n New search gives %d local maxima for cathode 1 \n",fNLocal[0]);
1159 fprintf(stderr,"\n %d local maxima for cathode 2 \n",fNLocal[1]);
1160 printf("\n New search gives %d %d \n",fNLocal[0],fNLocal[1]);
1161 }
a9e2aefa 1162 if (fNLocal[cath]>2) {
1163 fNLocal[cath]=iback;
1164 }
a9e2aefa 1165 } // 2,1 local maxima
1166}
1167
1168
1169void AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t flag, Int_t cath)
1170{
1171//
1172// Completes cluster information starting from list of digits
1173//
1174 AliMUONDigit* dig;
802a864d 1175 Float_t x, y, z;
a9e2aefa 1176 Int_t ix, iy;
1177
1178 if (cath==1) {
9e993f2a 1179 c->SetPeakSignal(cath,c->GetPeakSignal(0));
a9e2aefa 1180 } else {
9e993f2a 1181 c->SetPeakSignal(cath,0);
a9e2aefa 1182 }
1183
1184
1185 if (flag) {
ba12c242 1186 c->SetX(cath,0.);
1187 c->SetY(cath,0.);
1188 c->SetCharge(cath,0);
a9e2aefa 1189 }
1190
07cfabcf 1191 if (fDebugLevel)
9e993f2a 1192 fprintf(stderr,"\n fPeakSignal %d\n",c->GetPeakSignal(cath));
1193 for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
a9e2aefa 1194 {
0164904a 1195 dig= fInput->Digit(cath,c->GetIndex(i,cath));
1196 ix=dig->PadX()+c->GetOffset(i,cath);
08a636a8 1197 iy=dig->PadY();
1198 Int_t q=dig->Signal();
0164904a 1199 if (!flag) q=Int_t(q*c->GetContrib(i,cath));
a9e2aefa 1200// fprintf(stderr,"q %d c->fPeakSignal[ %d ] %d\n",q,cath,c->fPeakSignal[cath]);
08a636a8 1201 if (dig->Physics() >= dig->Signal()) {
0164904a 1202 c->SetPhysics(i,2);
08a636a8 1203 } else if (dig->Physics() == 0) {
0164904a 1204 c->SetPhysics(i,0);
1205 } else c->SetPhysics(i,1);
a9e2aefa 1206//
1207//
05c39730 1208 if (fDebugLevel>1)
9e993f2a 1209 fprintf(stderr,"q %d c->fPeakSignal[cath] %d\n",q,c->GetPeakSignal(cath));
a9e2aefa 1210// peak signal and track list
9e993f2a 1211 if (q>c->GetPeakSignal(cath)) {
1212 c->SetPeakSignal(cath, q);
1213 c->SetTrack(0,dig->Hit());
1214 c->SetTrack(1,dig->Track(0));
1215 c->SetTrack(2,dig->Track(1));
a9e2aefa 1216// fprintf(stderr," c->fTracks[0] %d c->fTracks[1] %d\n",dig->fHit,dig->fTracks[0]);
1217 }
1218//
1219 if (flag) {
f0d86bc4 1220 fSeg[cath]->GetPadC(ix, iy, x, y, z);
ba12c242 1221 c->AddX(cath, q*x);
1222 c->AddY(cath, q*y);
1223 c->AddCharge(cath, q);
a9e2aefa 1224 }
1225 } // loop over digits
07cfabcf 1226 if (fDebugLevel)
1227 fprintf(stderr," fin du cluster c\n");
a9e2aefa 1228
1229
1230 if (flag) {
ba12c242 1231 c->SetX(cath, c->GetX(cath)/c->GetCharge(cath));
07cfabcf 1232// Force on anod
ba12c242 1233 c->SetX(cath, fSeg[cath]->GetAnod(c->GetX(cath)));
1234 c->SetY(cath, c->GetY(cath)/c->GetCharge(cath));
a9e2aefa 1235//
1236// apply correction to the coordinate along the anode wire
1237//
ba12c242 1238 x=c->GetX(cath);
1239 y=c->GetY(cath);
f0d86bc4 1240 fSeg[cath]->GetPadI(x, y, fZPlane, ix, iy);
1241 fSeg[cath]->GetPadC(ix, iy, x, y, z);
1242 Int_t isec=fSeg[cath]->Sector(ix,iy);
1243 TF1* cogCorr = fSeg[cath]->CorrFunc(isec-1);
a9e2aefa 1244
1245 if (cogCorr) {
ba12c242 1246 Float_t yOnPad=(c->GetY(cath)-y)/fSeg[cath]->Dpy(isec);
1247 c->SetY(cath, c->GetY(cath)-cogCorr->Eval(yOnPad, 0, 0));
a9e2aefa 1248 }
1249 }
1250}
1251
1252void AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t cath)
1253{
1254//
1255// Completes cluster information starting from list of digits
1256//
1257 static Float_t dr0;
1258
1259 AliMUONDigit* dig;
1260
1261 if (cath==0) {
1262 dr0 = 10000;
1263 }
1264
802a864d 1265 Float_t xpad, ypad, zpad;
a9e2aefa 1266 Float_t dx, dy, dr;
1267
9e993f2a 1268 for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
a9e2aefa 1269 {
0164904a 1270 dig = fInput->Digit(cath,c->GetIndex(i,cath));
f0d86bc4 1271 fSeg[cath]->
08a636a8 1272 GetPadC(dig->PadX(),dig->PadY(),xpad,ypad, zpad);
07cfabcf 1273 if (fDebugLevel)
ba12c242 1274 fprintf(stderr,"x %f y %f cx %f cy %f\n",xpad,ypad,c->GetX(0),c->GetY(0));
1275 dx = xpad - c->GetX(0);
1276 dy = ypad - c->GetY(0);
a9e2aefa 1277 dr = TMath::Sqrt(dx*dx+dy*dy);
1278
1279 if (dr < dr0) {
1280 dr0 = dr;
07cfabcf 1281 if (fDebugLevel)
1282 fprintf(stderr," dr %f\n",dr);
08a636a8 1283 Int_t q=dig->Signal();
1284 if (dig->Physics() >= dig->Signal()) {
0164904a 1285 c->SetPhysics(i,2);
08a636a8 1286 } else if (dig->Physics() == 0) {
0164904a 1287 c->SetPhysics(i,0);
1288 } else c->SetPhysics(i,1);
9e993f2a 1289 c->SetPeakSignal(cath,q);
1290 c->SetTrack(0,dig->Hit());
1291 c->SetTrack(1,dig->Track(0));
1292 c->SetTrack(2,dig->Track(1));
07cfabcf 1293 if (fDebugLevel)
1294 fprintf(stderr," c->fTracks[0] %d c->fTracks[1] %d\n",dig->Hit(),
08a636a8 1295 dig->Track(0));
a9e2aefa 1296 }
1297//
1298 } // loop over digits
1299
1300// apply correction to the coordinate along the anode wire
07cfabcf 1301// Force on anod
ba12c242 1302 c->SetX(cath,fSeg[cath]->GetAnod(c->GetX(cath)));
a9e2aefa 1303}
1304
1305void AliMUONClusterFinderVS::FindCluster(Int_t i, Int_t j, Int_t cath, AliMUONRawCluster &c){
f0d86bc4 1306
1307
a9e2aefa 1308//
f0d86bc4 1309// Find a super cluster on both cathodes
a9e2aefa 1310//
1311//
1312// Add i,j as element of the cluster
1313//
f0d86bc4 1314
30aaba74 1315 Int_t idx = fHitMap[cath]->GetHitIndex(i,j);
1316 AliMUONDigit* dig = (AliMUONDigit*) fHitMap[cath]->GetHit(i,j);
08a636a8 1317 Int_t q=dig->Signal();
1318 Int_t theX=dig->PadX();
1319 Int_t theY=dig->PadY();
f0d86bc4 1320
9e993f2a 1321 if (q > TMath::Abs(c.GetPeakSignal(0)) && q > TMath::Abs(c.GetPeakSignal(1))) {
1322 c.SetPeakSignal(cath,q);
1323 c.SetTrack(0,dig->Hit());
1324 c.SetTrack(1,dig->Track(0));
1325 c.SetTrack(2,dig->Track(1));
a9e2aefa 1326 }
1327
1328//
1329// Make sure that list of digits is ordered
1330//
9e993f2a 1331 Int_t mu=c.GetMultiplicity(cath);
0164904a 1332 c.SetIndex(mu, cath, idx);
a9e2aefa 1333
08a636a8 1334 if (dig->Physics() >= dig->Signal()) {
0164904a 1335 c.SetPhysics(mu,2);
08a636a8 1336 } else if (dig->Physics() == 0) {
0164904a 1337 c.SetPhysics(mu,0);
1338 } else c.SetPhysics(mu,1);
f0d86bc4 1339
1340
a9e2aefa 1341 if (mu > 0) {
f0d86bc4 1342 for (Int_t ind = mu-1; ind >= 0; ind--) {
0164904a 1343 Int_t ist=c.GetIndex(ind,cath);
08a636a8 1344 Int_t ql=fInput->Digit(cath, ist)->Signal();
1345 Int_t ix=fInput->Digit(cath, ist)->PadX();
1346 Int_t iy=fInput->Digit(cath, ist)->PadY();
f0d86bc4 1347
a9e2aefa 1348 if (q>ql || (q==ql && theX > ix && theY < iy)) {
0164904a 1349 c.SetIndex(ind, cath, idx);
1350 c.SetIndex(ind+1, cath, ist);
a9e2aefa 1351 } else {
f0d86bc4 1352
a9e2aefa 1353 break;
1354 }
1355 }
1356 }
f0d86bc4 1357
9e993f2a 1358 c.SetMultiplicity(cath, c.GetMultiplicity(cath)+1);
1359 if (c.GetMultiplicity(cath) >= 50 ) {
453e4e5c 1360 if (fDebugLevel)
9e993f2a 1361 printf("FindCluster - multiplicity >50 %d \n",c.GetMultiplicity(0));
1362 c.SetMultiplicity(cath, 49);
a9e2aefa 1363 }
1364
1365// Prepare center of gravity calculation
802a864d 1366 Float_t x, y, z;
f0d86bc4 1367 fSeg[cath]->GetPadC(i, j, x, y, z);
1368
ba12c242 1369 c.AddX(cath,q*x);
1370 c.AddY(cath,q*y);
1371 c.AddCharge(cath,q);
f0d86bc4 1372//
1373// Flag hit as "taken"
30aaba74 1374 fHitMap[cath]->FlagHit(i,j);
a9e2aefa 1375//
1376// Now look recursively for all neighbours and pad hit on opposite cathode
1377//
1378// Loop over neighbours
1379 Int_t ix,iy;
f0d86bc4 1380 ix=iy=0;
a9e2aefa 1381 Int_t nn;
30aaba74 1382 Int_t xList[10], yList[10];
f0d86bc4 1383 fSeg[cath]->Neighbours(i,j,&nn,xList,yList);
a9e2aefa 1384 for (Int_t in=0; in<nn; in++) {
1385 ix=xList[in];
1386 iy=yList[in];
f0d86bc4 1387
1388 if (fHitMap[cath]->TestHit(ix,iy)==kUnused) {
05c39730 1389 if (fDebugLevel>1)
07cfabcf 1390 printf("\n Neighbours %d %d %d", cath, ix, iy);
f0d86bc4 1391 FindCluster(ix, iy, cath, c);
1392 }
1393
1394 }
1395 Int_t nOpp=0;
1396 Int_t iXopp[50], iYopp[50];
1397
a9e2aefa 1398// Neighbours on opposite cathode
1399// Take into account that several pads can overlap with the present pad
f0d86bc4 1400 Int_t isec=fSeg[cath]->Sector(i,j);
a9e2aefa 1401 Int_t iop;
f0d86bc4 1402 Float_t dx, dy;
1403
a9e2aefa 1404 if (cath==0) {
f0d86bc4 1405 iop = 1;
1406 dx = (fSeg[cath]->Dpx(isec))/2.;
1407 dy = 0.;
a9e2aefa 1408 } else {
f0d86bc4 1409 iop = 0;
1410 dx = 0.;
1411 dy = (fSeg[cath]->Dpy(isec))/2;
1412 }
1413// loop over pad neighbours on opposite cathode
1414 for (fSeg[iop]->FirstPad(x, y, fZPlane, dx, dy);
1415 fSeg[iop]->MorePads();
1416 fSeg[iop]->NextPad())
1417 {
1418
1419 ix = fSeg[iop]->Ix(); iy = fSeg[iop]->Iy();
05c39730 1420 if (fDebugLevel > 1)
07cfabcf 1421 printf("\n ix, iy: %f %f %f %d %d %d", x,y,z,ix, iy, fSector);
f0d86bc4 1422 if (fHitMap[iop]->TestHit(ix,iy)==kUnused){
1423 iXopp[nOpp]=ix;
1424 iYopp[nOpp++]=iy;
05c39730 1425 if (fDebugLevel > 1)
07cfabcf 1426 printf("\n Opposite %d %d %d", iop, ix, iy);
a9e2aefa 1427 }
f0d86bc4 1428
1429 } // Loop over pad neighbours
1430// This had to go outside the loop since recursive calls inside the iterator are not possible
1431//
1432 Int_t jopp;
1433 for (jopp=0; jopp<nOpp; jopp++) {
1434 if (fHitMap[iop]->TestHit(iXopp[jopp],iYopp[jopp]) == kUnused)
1435 FindCluster(iXopp[jopp], iYopp[jopp], iop, c);
a9e2aefa 1436 }
1437}
1438
1439//_____________________________________________________________________________
1440
1441void AliMUONClusterFinderVS::FindRawClusters()
1442{
1443 //
1444 // MUON cluster finder from digits -- finds neighbours on both cathodes and
1445 // fills the tree with raw clusters
1446 //
1447
4da78c65 1448 ResetRawClusters();
f0d86bc4 1449// Return if no input datad available
30aaba74 1450 if (!fInput->NDigits(0) && !fInput->NDigits(1)) return;
a9e2aefa 1451
f0d86bc4 1452 fSeg[0] = fInput->Segmentation(0);
1453 fSeg[1] = fInput->Segmentation(1);
1454
1455 fHitMap[0] = new AliMUONHitMapA1(fSeg[0], fInput->Digits(0));
1456 fHitMap[1] = new AliMUONHitMapA1(fSeg[1], fInput->Digits(1));
a9e2aefa 1457
f0d86bc4 1458
a9e2aefa 1459 AliMUONDigit *dig;
1460
1461 Int_t ndig, cath;
1462 Int_t nskip=0;
1463 Int_t ncls=0;
30aaba74 1464 fHitMap[0]->FillHits();
1465 fHitMap[1]->FillHits();
a9e2aefa 1466//
1467// Outer Loop over Cathodes
1468 for (cath=0; cath<2; cath++) {
30aaba74 1469 for (ndig=0; ndig<fInput->NDigits(cath); ndig++) {
1470 dig = fInput->Digit(cath, ndig);
08a636a8 1471 Int_t i=dig->PadX();
1472 Int_t j=dig->PadY();
30aaba74 1473 if (fHitMap[cath]->TestHit(i,j)==kUsed ||fHitMap[0]->TestHit(i,j)==kEmpty) {
a9e2aefa 1474 nskip++;
1475 continue;
1476 }
07cfabcf 1477 if (fDebugLevel)
1478 fprintf(stderr,"\n CATHODE %d CLUSTER %d\n",cath,ncls);
a9e2aefa 1479 AliMUONRawCluster c;
9e993f2a 1480 c.SetMultiplicity(0, 0);
1481 c.SetMultiplicity(1, 0);
1482 c.SetPeakSignal(cath,dig->Signal());
1483 c.SetTrack(0, dig->Hit());
1484 c.SetTrack(1, dig->Track(0));
1485 c.SetTrack(2, dig->Track(1));
a9e2aefa 1486 // tag the beginning of cluster list in a raw cluster
3b5272e3 1487 c.SetNcluster(0,-1);
f0d86bc4 1488 Float_t xcu, ycu;
1489 fSeg[cath]->GetPadC(i,j,xcu, ycu, fZPlane);
1490 fSector= fSeg[cath]->Sector(i,j)/100;
07cfabcf 1491 if (fDebugLevel)
1492 printf("\n New Seed %d %d ", i,j);
f36a6c8b 1493
1494
a9e2aefa 1495 FindCluster(i,j,cath,c);
f0d86bc4 1496// ^^^^^^^^^^^^^^^^^^^^^^^^
a9e2aefa 1497 // center of gravity
ba12c242 1498 if (c.GetX(0)!=0.) c.SetX(0, c.GetX(0)/c.GetCharge(0)); // c.fX[0] /= c.fQ[0];
07cfabcf 1499// Force on anod
ba12c242 1500 c.SetX(0,fSeg[0]->GetAnod(c.GetX(0)));
1501 if (c.GetY(0)!=0.) c.SetY(0, c.GetY(0)/c.GetCharge(0)); // c.fY[0] /= c.fQ[0];
f36a6c8b 1502
ba12c242 1503 if(c.GetCharge(1)!=0.) c.SetX(1, c.GetX(1)/c.GetCharge(1)); // c.fX[1] /= c.fQ[1];
f36a6c8b 1504
1505 // Force on anod
ba12c242 1506 c.SetX(1, fSeg[0]->GetAnod(c.GetX(1)));
1507 if(c.GetCharge(1)!=0.) c.SetY(1, c.GetY(1)/c.GetCharge(1));// c.fY[1] /= c.fQ[1];
3e1872ed 1508
ba12c242 1509 c.SetZ(0, fZPlane);
1510 c.SetZ(1, fZPlane);
3e1872ed 1511
07cfabcf 1512 if (fDebugLevel) {
1513 fprintf(stderr,"\n Cathode 1 multiplicite %d X(CG) %f Y(CG) %f\n",
9e993f2a 1514 c.GetMultiplicity(0),c.GetX(0),c.GetY(0));
07cfabcf 1515 fprintf(stderr," Cathode 2 multiplicite %d X(CG) %f Y(CG) %f\n",
9e993f2a 1516 c.GetMultiplicity(1),c.GetX(1),c.GetY(1));
07cfabcf 1517 }
a9e2aefa 1518// Analyse cluster and decluster if necessary
1519//
1520 ncls++;
3b5272e3 1521 c.SetNcluster(1,fNRawClusters);
9e993f2a 1522 c.SetClusterType(c.PhysicsContribution());
a9e2aefa 1523
1524 fNPeaks=0;
1525//
1526//
1527 Decluster(&c);
a9e2aefa 1528//
1529// reset Cluster object
f8ffca81 1530 { // begin local scope
0164904a 1531 for (int k=0;k<c.GetMultiplicity(0);k++) c.SetIndex(k, 0, 0);
f8ffca81 1532 } // end local scope
a9e2aefa 1533
f8ffca81 1534 { // begin local scope
0164904a 1535 for (int k=0;k<c.GetMultiplicity(1);k++) c.SetIndex(k, 1, 0);
f8ffca81 1536 } // end local scope
1537
9e993f2a 1538 c.SetMultiplicity(0,0);
1539 c.SetMultiplicity(1,0);
a9e2aefa 1540
1541
1542 } // end loop ndig
1543 } // end loop cathodes
30aaba74 1544 delete fHitMap[0];
1545 delete fHitMap[1];
a9e2aefa 1546}
1547
1548Float_t AliMUONClusterFinderVS::SingleMathiesonFit(AliMUONRawCluster *c, Int_t cath)
1549{
f0d86bc4 1550// Performs a single Mathieson fit on one cathode
1551//
19dd5b2f 1552 Double_t arglist[20];
1553 Int_t ierflag=0;
9825400f 1554 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1555
9825400f 1556 clusterInput.Fitter()->SetFCN(fcnS1);
1557 clusterInput.Fitter()->mninit(2,10,7);
19dd5b2f 1558 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1559 arglist[0]=-1;
1560 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1561// Set starting values
1562 static Double_t vstart[2];
ba12c242 1563 vstart[0]=c->GetX(1);
1564 vstart[1]=c->GetY(0);
a9e2aefa 1565
1566
1567// lower and upper limits
1568 static Double_t lower[2], upper[2];
1569 Int_t ix,iy;
ba12c242 1570 fSeg[cath]->GetPadI(c->GetX(cath), c->GetY(cath), fZPlane, ix, iy);
f0d86bc4 1571 Int_t isec=fSeg[cath]->Sector(ix, iy);
1572 lower[0]=vstart[0]-fSeg[cath]->Dpx(isec)/2;
1573 lower[1]=vstart[1]-fSeg[cath]->Dpy(isec)/2;
a9e2aefa 1574
f0d86bc4 1575 upper[0]=lower[0]+fSeg[cath]->Dpx(isec);
1576 upper[1]=lower[1]+fSeg[cath]->Dpy(isec);
a9e2aefa 1577
1578// step sizes
1579 static Double_t step[2]={0.0005, 0.0005};
1580
9825400f 1581 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1582 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
a9e2aefa 1583// ready for minimisation
a9e2aefa 1584 arglist[0]= -1;
1585 arglist[1]= 0;
1586
9825400f 1587 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1588 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1589 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1590 Double_t fmin, fedm, errdef;
1591 Int_t npari, nparx, istat;
1592
9825400f 1593 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1594 fFitStat=istat;
1595
1596// Print results
1597// Get fitted parameters
1598 Double_t xrec, yrec;
1599 TString chname;
1600 Double_t epxz, b1, b2;
1601 Int_t ierflg;
9825400f 1602 clusterInput.Fitter()->mnpout(0, chname, xrec, epxz, b1, b2, ierflg);
1603 clusterInput.Fitter()->mnpout(1, chname, yrec, epxz, b1, b2, ierflg);
a9e2aefa 1604 fXFit[cath]=xrec;
1605 fYFit[cath]=yrec;
1606 return fmin;
1607}
1608
e3cba86e 1609Float_t AliMUONClusterFinderVS::CombiSingleMathiesonFit(AliMUONRawCluster * /*c*/)
a9e2aefa 1610{
1611// Perform combined Mathieson fit on both cathode planes
1612//
19dd5b2f 1613 Double_t arglist[20];
1614 Int_t ierflag=0;
9825400f 1615 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1616 clusterInput.Fitter()->SetFCN(fcnCombiS1);
1617 clusterInput.Fitter()->mninit(2,10,7);
19dd5b2f 1618 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1619 arglist[0]=-1;
1620 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1621 static Double_t vstart[2];
1622 vstart[0]=fXInit[0];
1623 vstart[1]=fYInit[0];
1624
1625
1626// lower and upper limits
f0d86bc4 1627 static Float_t lower[2], upper[2];
a9e2aefa 1628 Int_t ix,iy,isec;
f0d86bc4 1629 fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1630 isec=fSeg[0]->Sector(ix, iy);
1631 Float_t dpy=fSeg[0]->Dpy(isec);
1632 fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1633 isec=fSeg[1]->Sector(ix, iy);
1634 Float_t dpx=fSeg[1]->Dpx(isec);
a9e2aefa 1635
f0d86bc4 1636 Int_t icount;
1637 Float_t xdum, ydum, zdum;
a9e2aefa 1638
f0d86bc4 1639// Find save upper and lower limits
a9e2aefa 1640
f0d86bc4 1641 icount = 0;
a9e2aefa 1642
f0d86bc4 1643 for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.);
1644 fSeg[1]->MorePads(); fSeg[1]->NextPad())
1645 {
1646 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
1647 fSeg[1]->GetPadC(ix,iy, upper[0], ydum, zdum);
1648 if (icount ==0) lower[0]=upper[0];
1649 icount++;
1650 }
1651
1652 if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
1653
1654 icount=0;
07cfabcf 1655 if (fDebugLevel)
1656 printf("\n single y %f %f", fXInit[0], fYInit[0]);
f0d86bc4 1657
1658 for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy);
1659 fSeg[0]->MorePads(); fSeg[0]->NextPad())
1660 {
1661 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
1662 fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);
1663 if (icount ==0) lower[1]=upper[1];
1664 icount++;
07cfabcf 1665 if (fDebugLevel)
1666 printf("\n upper lower %d %f %f", icount, upper[1], lower[1]);
f0d86bc4 1667 }
1668
1669 if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
1670
a9e2aefa 1671// step sizes
1672 static Double_t step[2]={0.00001, 0.0001};
1673
9825400f 1674 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1675 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
a9e2aefa 1676// ready for minimisation
a9e2aefa 1677 arglist[0]= -1;
1678 arglist[1]= 0;
1679
9825400f 1680 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1681 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1682 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1683 Double_t fmin, fedm, errdef;
1684 Int_t npari, nparx, istat;
1685
9825400f 1686 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1687 fFitStat=istat;
1688
1689// Print results
1690// Get fitted parameters
1691 Double_t xrec, yrec;
1692 TString chname;
1693 Double_t epxz, b1, b2;
1694 Int_t ierflg;
9825400f 1695 clusterInput.Fitter()->mnpout(0, chname, xrec, epxz, b1, b2, ierflg);
1696 clusterInput.Fitter()->mnpout(1, chname, yrec, epxz, b1, b2, ierflg);
a9e2aefa 1697 fXFit[0]=xrec;
1698 fYFit[0]=yrec;
1699 return fmin;
1700}
1701
e3cba86e 1702Bool_t AliMUONClusterFinderVS::DoubleMathiesonFit(AliMUONRawCluster * /*c*/, Int_t cath)
a9e2aefa 1703{
f0d86bc4 1704// Performs a double Mathieson fit on one cathode
1705//
1706
a9e2aefa 1707//
1708// Initialise global variables for fit
19dd5b2f 1709 Double_t arglist[20];
1710 Int_t ierflag=0;
9825400f 1711 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1712 clusterInput.Fitter()->SetFCN(fcnS2);
1713 clusterInput.Fitter()->mninit(5,10,7);
19dd5b2f 1714 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1715 arglist[0]=-1;
1716 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1717// Set starting values
1718 static Double_t vstart[5];
1719 vstart[0]=fX[fIndLocal[0][cath]][cath];
1720 vstart[1]=fY[fIndLocal[0][cath]][cath];
1721 vstart[2]=fX[fIndLocal[1][cath]][cath];
1722 vstart[3]=fY[fIndLocal[1][cath]][cath];
1723 vstart[4]=Float_t(fQ[fIndLocal[0][cath]][cath])/
1724 Float_t(fQ[fIndLocal[0][cath]][cath]+fQ[fIndLocal[1][cath]][cath]);
1725// lower and upper limits
f0d86bc4 1726 static Float_t lower[5], upper[5];
1727 Int_t isec=fSeg[cath]->Sector(fIx[fIndLocal[0][cath]][cath], fIy[fIndLocal[0][cath]][cath]);
1728 lower[0]=vstart[0]-fSeg[cath]->Dpx(isec);
1729 lower[1]=vstart[1]-fSeg[cath]->Dpy(isec);
a9e2aefa 1730
f0d86bc4 1731 upper[0]=lower[0]+2.*fSeg[cath]->Dpx(isec);
1732 upper[1]=lower[1]+2.*fSeg[cath]->Dpy(isec);
a9e2aefa 1733
f0d86bc4 1734 isec=fSeg[cath]->Sector(fIx[fIndLocal[1][cath]][cath], fIy[fIndLocal[1][cath]][cath]);
1735 lower[2]=vstart[2]-fSeg[cath]->Dpx(isec)/2;
1736 lower[3]=vstart[3]-fSeg[cath]->Dpy(isec)/2;
a9e2aefa 1737
f0d86bc4 1738 upper[2]=lower[2]+fSeg[cath]->Dpx(isec);
1739 upper[3]=lower[3]+fSeg[cath]->Dpy(isec);
a9e2aefa 1740
1741 lower[4]=0.;
1742 upper[4]=1.;
1743// step sizes
1744 static Double_t step[5]={0.0005, 0.0005, 0.0005, 0.0005, 0.0001};
1745
9825400f 1746 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1747 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
1748 clusterInput.Fitter()->mnparm(2,"x2",vstart[2],step[2],lower[2],upper[2],ierflag);
1749 clusterInput.Fitter()->mnparm(3,"y2",vstart[3],step[3],lower[3],upper[3],ierflag);
1750 clusterInput.Fitter()->mnparm(4,"a0",vstart[4],step[4],lower[4],upper[4],ierflag);
a9e2aefa 1751// ready for minimisation
a9e2aefa 1752 arglist[0]= -1;
1753 arglist[1]= 0;
1754
9825400f 1755 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1756 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1757 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1758// Get fitted parameters
1759 Double_t xrec[2], yrec[2], qfrac;
1760 TString chname;
1761 Double_t epxz, b1, b2;
1762 Int_t ierflg;
9825400f 1763 clusterInput.Fitter()->mnpout(0, chname, xrec[0], epxz, b1, b2, ierflg);
1764 clusterInput.Fitter()->mnpout(1, chname, yrec[0], epxz, b1, b2, ierflg);
1765 clusterInput.Fitter()->mnpout(2, chname, xrec[1], epxz, b1, b2, ierflg);
1766 clusterInput.Fitter()->mnpout(3, chname, yrec[1], epxz, b1, b2, ierflg);
1767 clusterInput.Fitter()->mnpout(4, chname, qfrac, epxz, b1, b2, ierflg);
a9e2aefa 1768
1769 Double_t fmin, fedm, errdef;
1770 Int_t npari, nparx, istat;
1771
9825400f 1772 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1773 fFitStat=istat;
a9e2aefa 1774 return kTRUE;
1775}
1776
e3cba86e 1777Float_t AliMUONClusterFinderVS::CombiDoubleMathiesonFit(AliMUONRawCluster * /*c*/)
a9e2aefa 1778{
1779//
1780// Perform combined double Mathieson fit on both cathode planes
1781//
19dd5b2f 1782 Double_t arglist[20];
1783 Int_t ierflag=0;
9825400f 1784 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1785 clusterInput.Fitter()->SetFCN(fcnCombiS2);
1786 clusterInput.Fitter()->mninit(6,10,7);
19dd5b2f 1787 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1788 arglist[0]=-1;
1789 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1790// Set starting values
1791 static Double_t vstart[6];
1792 vstart[0]=fXInit[0];
1793 vstart[1]=fYInit[0];
1794 vstart[2]=fXInit[1];
1795 vstart[3]=fYInit[1];
1796 vstart[4]=fQrInit[0];
1797 vstart[5]=fQrInit[1];
1798// lower and upper limits
f0d86bc4 1799 static Float_t lower[6], upper[6];
a9e2aefa 1800 Int_t ix,iy,isec;
1801 Float_t dpx, dpy;
1802
f0d86bc4 1803 fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1804 isec=fSeg[1]->Sector(ix, iy);
1805 dpx=fSeg[1]->Dpx(isec);
a9e2aefa 1806
f0d86bc4 1807 fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1808 isec=fSeg[0]->Sector(ix, iy);
1809 dpy=fSeg[0]->Dpy(isec);
a9e2aefa 1810
a9e2aefa 1811
f0d86bc4 1812 Int_t icount;
1813 Float_t xdum, ydum, zdum;
07cfabcf 1814 if (fDebugLevel)
1815 printf("\n Cluster Finder: %f %f %f %f ", fXInit[0], fXInit[1],fYInit[0], fYInit[1] );
f0d86bc4 1816
1817// Find save upper and lower limits
1818 icount = 0;
1819
1820 for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.);
1821 fSeg[1]->MorePads(); fSeg[1]->NextPad())
1822 {
1823 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
05c39730 1824// if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
f0d86bc4 1825 fSeg[1]->GetPadC(ix,iy,upper[0],ydum,zdum);
1826 if (icount ==0) lower[0]=upper[0];
1827 icount++;
1828 }
1829 if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
05c39730 1830// vstart[0] = 0.5*(lower[0]+upper[0]);
1831
1832
f0d86bc4 1833 icount=0;
1834
1835 for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy);
1836 fSeg[0]->MorePads(); fSeg[0]->NextPad())
1837 {
1838 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
05c39730 1839// if (fHitMap[0]->TestHit(ix, iy) == kEmpty) continue;
f0d86bc4 1840 fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);
1841 if (icount ==0) lower[1]=upper[1];
1842 icount++;
1843 }
05c39730 1844
f0d86bc4 1845 if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
05c39730 1846// vstart[1] = 0.5*(lower[1]+upper[1]);
1847
a9e2aefa 1848
f0d86bc4 1849 fSeg[1]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
1850 isec=fSeg[1]->Sector(ix, iy);
1851 dpx=fSeg[1]->Dpx(isec);
1852 fSeg[0]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
1853 isec=fSeg[0]->Sector(ix, iy);
1854 dpy=fSeg[0]->Dpy(isec);
a9e2aefa 1855
a9e2aefa 1856
f0d86bc4 1857// Find save upper and lower limits
1858
1859 icount=0;
1860
1861 for (fSeg[1]->FirstPad(fXInit[1], fYInit[1], fZPlane, dpx, 0);
1862 fSeg[1]->MorePads(); fSeg[1]->NextPad())
1863 {
1864 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
05c39730 1865// if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
f0d86bc4 1866 fSeg[1]->GetPadC(ix,iy,upper[2],ydum,zdum);
1867 if (icount ==0) lower[2]=upper[2];
1868 icount++;
1869 }
1870 if (lower[2]>upper[2]) {xdum=lower[2]; lower[2]=upper[2]; upper[2]=xdum;}
05c39730 1871 // vstart[2] = 0.5*(lower[2]+upper[2]);
f0d86bc4 1872
1873 icount=0;
1874
1875 for (fSeg[0]->FirstPad(fXInit[1], fYInit[1], fZPlane, 0, dpy);
1876 fSeg[0]-> MorePads(); fSeg[0]->NextPad())
1877 {
1878 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
05c39730 1879// if (fHitMap[0]->TestHit(ix, iy) != kEmpty) continue;
1880
f0d86bc4 1881 fSeg[0]->GetPadC(ix,iy,xdum,upper[3],zdum);
1882 if (icount ==0) lower[3]=upper[3];
1883 icount++;
05c39730 1884
f0d86bc4 1885 }
1886 if (lower[3]>upper[3]) {xdum=lower[3]; lower[3]=upper[3]; upper[3]=xdum;}
05c39730 1887
1888// vstart[3] = 0.5*(lower[3]+upper[3]);
1889
a9e2aefa 1890 lower[4]=0.;
1891 upper[4]=1.;
1892 lower[5]=0.;
1893 upper[5]=1.;
1894
1895// step sizes
1896 static Double_t step[6]={0.0005, 0.0005, 0.0005, 0.0005, 0.001, 0.001};
9825400f 1897 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1898 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
1899 clusterInput.Fitter()->mnparm(2,"x2",vstart[2],step[2],lower[2],upper[2],ierflag);
1900 clusterInput.Fitter()->mnparm(3,"y2",vstart[3],step[3],lower[3],upper[3],ierflag);
1901 clusterInput.Fitter()->mnparm(4,"a0",vstart[4],step[4],lower[4],upper[4],ierflag);
1902 clusterInput.Fitter()->mnparm(5,"a1",vstart[5],step[5],lower[5],upper[5],ierflag);
a9e2aefa 1903// ready for minimisation
a9e2aefa 1904 arglist[0]= -1;
1905 arglist[1]= 0;
1906
9825400f 1907 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1908 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1909 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1910// Get fitted parameters
1911 TString chname;
1912 Double_t epxz, b1, b2;
1913 Int_t ierflg;
9825400f 1914 clusterInput.Fitter()->mnpout(0, chname, fXFit[0], epxz, b1, b2, ierflg);
1915 clusterInput.Fitter()->mnpout(1, chname, fYFit[0], epxz, b1, b2, ierflg);
1916 clusterInput.Fitter()->mnpout(2, chname, fXFit[1], epxz, b1, b2, ierflg);
1917 clusterInput.Fitter()->mnpout(3, chname, fYFit[1], epxz, b1, b2, ierflg);
1918 clusterInput.Fitter()->mnpout(4, chname, fQrFit[0], epxz, b1, b2, ierflg);
1919 clusterInput.Fitter()->mnpout(5, chname, fQrFit[1], epxz, b1, b2, ierflg);
a9e2aefa 1920
1921 Double_t fmin, fedm, errdef;
1922 Int_t npari, nparx, istat;
1923
9825400f 1924 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1925 fFitStat=istat;
1926
1927 fChi2[0]=fmin;
1928 fChi2[1]=fmin;
1929 return fmin;
1930}
1931
1932void AliMUONClusterFinderVS::Split(AliMUONRawCluster* c)
1933{
1934//
1935// One cluster for each maximum
1936//
1937 Int_t i, j, cath;
9825400f 1938 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1939 for (j=0; j<2; j++) {
1940 AliMUONRawCluster cnew;
3b5272e3 1941 cnew.SetGhost(c->GetGhost());
a9e2aefa 1942 for (cath=0; cath<2; cath++) {
3b5272e3 1943 cnew.SetChi2(cath,fChi2[0]);
07cfabcf 1944 // ?? why not cnew.fChi2[cath]=fChi2[cath];
a9e2aefa 1945
1946 if (fNPeaks == 0) {
3b5272e3 1947 cnew.SetNcluster(0,-1);
1948 cnew.SetNcluster(1,fNRawClusters);
a9e2aefa 1949 } else {
3b5272e3 1950 cnew.SetNcluster(0,fNPeaks);
1951 cnew.SetNcluster(1,0);
a9e2aefa 1952 }
9e993f2a 1953 cnew.SetMultiplicity(cath,0);
ba12c242 1954 cnew.SetX(cath, Float_t(fXFit[j]));
1955 cnew.SetY(cath, Float_t(fYFit[j]));
1956 cnew.SetZ(cath, fZPlane);
a9e2aefa 1957 if (j==0) {
ba12c242 1958 cnew.SetCharge(cath, Int_t(clusterInput.TotalCharge(cath)*fQrFit[cath]));
a9e2aefa 1959 } else {
ba12c242 1960 cnew.SetCharge(cath, Int_t(clusterInput.TotalCharge(cath)*(1-fQrFit[cath])));
a9e2aefa 1961 }
f0d86bc4 1962 fSeg[cath]->SetHit(fXFit[j],fYFit[j],fZPlane);
a9e2aefa 1963 for (i=0; i<fMul[cath]; i++) {
0164904a 1964 cnew.SetIndex(cnew.GetMultiplicity(cath), cath, c->GetIndex(i,cath));
f0d86bc4 1965 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
1966 Float_t q1=fInput->Response()->IntXY(fSeg[cath]);
0164904a 1967 cnew.SetContrib(i, cath, q1*Float_t(cnew.GetCharge(cath))/Float_t(fQ[i][cath]));
9e993f2a 1968 cnew.SetMultiplicity(cath, cnew.GetMultiplicity(cath)+1 );
a9e2aefa 1969 }
1970 FillCluster(&cnew,0,cath);
1971 } // cathode loop
1972
9e993f2a 1973 cnew.SetClusterType(cnew.PhysicsContribution());
ba12c242 1974 if (cnew.GetCharge(0)>0 && cnew.GetCharge(1)>0) AddRawCluster(cnew);
a9e2aefa 1975 fNPeaks++;
1976 }
1977}
1978
1979
a9e2aefa 1980//
1981// Minimisation functions
1982// Single Mathieson
e3cba86e 1983void fcnS1(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 1984{
9825400f 1985 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1986 Int_t i;
1987 Float_t delta;
1988 Float_t chisq=0;
1989 Float_t qcont=0;
1990 Float_t qtot=0;
9825400f 1991
1992 for (i=0; i<clusterInput.Nmul(0); i++) {
1993 Float_t q0=clusterInput.Charge(i,0);
1994 Float_t q1=clusterInput.DiscrChargeS1(i,par);
a9e2aefa 1995 delta=(q0-q1)/q0;
1996 chisq+=delta*delta;
1997 qcont+=q1;
1998 qtot+=q0;
1999 }
2000 f=chisq;
2001}
2002
e3cba86e 2003void fcnCombiS1(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 2004{
9825400f 2005 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2006 Int_t i, cath;
2007 Float_t delta;
2008 Float_t chisq=0;
2009 Float_t qcont=0;
2010 Float_t qtot=0;
a9e2aefa 2011
2012 for (cath=0; cath<2; cath++) {
9825400f 2013 for (i=0; i<clusterInput.Nmul(cath); i++) {
2014 Float_t q0=clusterInput.Charge(i,cath);
2015 Float_t q1=clusterInput.DiscrChargeCombiS1(i,par,cath);
a9e2aefa 2016 delta=(q0-q1)/q0;
2017 chisq+=delta*delta;
2018 qcont+=q1;
2019 qtot+=q0;
2020 }
a9e2aefa 2021 }
a9e2aefa 2022 f=chisq;
2023}
2024
2025// Double Mathieson
e3cba86e 2026void fcnS2(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 2027{
9825400f 2028 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2029 Int_t i;
2030 Float_t delta;
2031 Float_t chisq=0;
2032 Float_t qcont=0;
2033 Float_t qtot=0;
2034
9825400f 2035 for (i=0; i<clusterInput.Nmul(0); i++) {
a9e2aefa 2036
9825400f 2037 Float_t q0=clusterInput.Charge(i,0);
2038 Float_t q1=clusterInput.DiscrChargeS2(i,par);
a9e2aefa 2039 delta=(q0-q1)/q0;
2040 chisq+=delta*delta;
2041 qcont+=q1;
2042 qtot+=q0;
2043 }
a9e2aefa 2044 f=chisq;
2045}
2046
2047// Double Mathieson
e3cba86e 2048void fcnCombiS2(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 2049{
9825400f 2050 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2051 Int_t i, cath;
2052 Float_t delta;
2053 Float_t chisq=0;
2054 Float_t qcont=0;
2055 Float_t qtot=0;
a9e2aefa 2056 for (cath=0; cath<2; cath++) {
9825400f 2057 for (i=0; i<clusterInput.Nmul(cath); i++) {
2058 Float_t q0=clusterInput.Charge(i,cath);
2059 Float_t q1=clusterInput.DiscrChargeCombiS2(i,par,cath);
a9e2aefa 2060 delta=(q0-q1)/q0;
2061 chisq+=delta*delta;
2062 qcont+=q1;
2063 qtot+=q0;
2064 }
a9e2aefa 2065 }
a9e2aefa 2066 f=chisq;
2067}
2068
4da78c65 2069void AliMUONClusterFinderVS::AddRawCluster(const AliMUONRawCluster& c)
a9e2aefa 2070{
2071 //
2072 // Add a raw cluster copy to the list
2073 //
4da78c65 2074
2075// AliMUON *pMUON=(AliMUON*)gAlice->GetModule("MUON");
2076// pMUON->GetMUONData()->AddRawCluster(fInput->Chamber(),c);
2077// fNRawClusters++;
2078
2079
2080 TClonesArray &lrawcl = *fRawClusters;
2081 new(lrawcl[fNRawClusters++]) AliMUONRawCluster(c);
19dd5b2f 2082 if (fDebugLevel)
07cfabcf 2083 fprintf(stderr,"\nfNRawClusters %d\n",fNRawClusters);
a9e2aefa 2084}
2085
30178c30 2086Bool_t AliMUONClusterFinderVS::TestTrack(Int_t t) const {
6a9bc541 2087// Test if track was user selected
30aaba74 2088 if (fTrack[0]==-1 || fTrack[1]==-1) {
2089 return kTRUE;
2090 } else if (t==fTrack[0] || t==fTrack[1]) {
2091 return kTRUE;
2092 } else {
2093 return kFALSE;
2094 }
2095}
a9e2aefa 2096
2097AliMUONClusterFinderVS& AliMUONClusterFinderVS
30178c30 2098::operator = (const AliMUONClusterFinderVS& rhs)
a9e2aefa 2099{
30178c30 2100// Protected assignement operator
2101
2102 if (this == &rhs) return *this;
2103
8c343c7c 2104 AliFatal("Not implemented.");
30178c30 2105
2106 return *this;
a9e2aefa 2107}
2108
2109
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