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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"
7e4a628d 25#include "AliMUONMathieson.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 {
c4a97bcd 175 AliDebug(1," MAUVAIS CHI2 !!!\n");
a9e2aefa 176 if (fNLocal[0]==1 && fNLocal[1]==1) {
177 fXInit[0]=fX[fIndLocal[0][1]][1];
178 fYInit[0]=fY[fIndLocal[0][0]][0];
179 fXInit[1]=fX[fIndLocal[0][1]][1];
180 fYInit[1]=fY[fIndLocal[0][0]][0];
181 } else if (fNLocal[0]==1) {
182 fXInit[0]=fX[fIndLocal[0][0]][0];
183 fYInit[0]=fY[fIndLocal[0][0]][0];
184 fXInit[1]=fX[fIndLocal[0][0]][0];
185 fYInit[1]=fY[fIndLocal[0][0]][0];
186 } else {
187 fXInit[0]=fX[fIndLocal[0][1]][1];
188 fYInit[0]=fY[fIndLocal[0][1]][1];
189 fXInit[1]=fX[fIndLocal[0][1]][1];
190 fYInit[1]=fY[fIndLocal[0][1]][1];
191 }
192
193// Initial value for charge ratios
194 fQrInit[0]=0.5;
195 fQrInit[1]=0.5;
c4a97bcd 196 AliDebug(1,"\n cas (1) CombiDoubleMathiesonFit(c)\n");
a9e2aefa 197 chi2=CombiDoubleMathiesonFit(c);
198// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
199// Float_t prob = TMath::Prob(chi2,ndf);
200// prob2->Fill(prob);
201// chi2_2->Fill(chi2);
202
203// Was this any better ??
8c343c7c 204 AliDebug(1,Form(" Old and new chi2 %f %f ", oldchi2, chi2));
a9e2aefa 205 if (fFitStat!=0 && chi2>0 && (2.*chi2 < oldchi2)) {
8c343c7c 206 AliDebug(1,"Split");
a9e2aefa 207 // Split cluster into two according to fit result
208 Split(c);
209 } else {
8c343c7c 210 AliDebug(1,"Do not Split");
a9e2aefa 211 // Don't split
212 AddRawCluster(*c);
213 }
214 }
215
216// +++++++++++++++++++++++++++++++++++++++
217// (2) Two local maxima per cathode plane
218// +++++++++++++++++++++++++++++++++++++++
219 } else if (fNLocal[0]==2 && fNLocal[1]==2) {
220//
221// Let's look for ghosts first
05c39730 222
a9e2aefa 223 Float_t xm[4][2], ym[4][2];
224 Float_t dpx, dpy, dx, dy;
225 Int_t ixm[4][2], iym[4][2];
226 Int_t isec, im1, im2, ico;
227//
228// Form the 2x2 combinations
229// 0-0, 0-1, 1-0, 1-1
230 ico=0;
231 for (im1=0; im1<2; im1++) {
232 for (im2=0; im2<2; im2++) {
233 xm[ico][0]=fX[fIndLocal[im1][0]][0];
234 ym[ico][0]=fY[fIndLocal[im1][0]][0];
235 xm[ico][1]=fX[fIndLocal[im2][1]][1];
236 ym[ico][1]=fY[fIndLocal[im2][1]][1];
237
238 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
239 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
240 ixm[ico][1]=fIx[fIndLocal[im2][1]][1];
241 iym[ico][1]=fIy[fIndLocal[im2][1]][1];
242 ico++;
243 }
244 }
245// ico = 0 : first local maximum on cathodes 1 and 2
246// ico = 1 : fisrt local maximum on cathode 1 and second on cathode 2
247// ico = 2 : second local maximum on cathode 1 and first on cathode 1
248// ico = 3 : second local maximum on cathodes 1 and 2
249
250// Analyse the combinations and keep those that are possible !
251// For each combination check consistency in x and y
05c39730 252 Int_t iacc;
253 Bool_t accepted[4];
254 Float_t dr[4] = {1.e4, 1.e4, 1.e4, 1.e4};
a9e2aefa 255 iacc=0;
05c39730 256
257// In case of staggering maxima are displaced by exactly half the pad-size in y.
258// We have to take into account the numerical precision in the consistency check;
259 Float_t eps = 1.e-5;
260//
a9e2aefa 261 for (ico=0; ico<4; ico++) {
262 accepted[ico]=kFALSE;
263// cathode one: x-coordinate
f0d86bc4 264 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
265 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 266 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
267// cathode two: y-coordinate
f0d86bc4 268 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
269 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 270 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 271 AliDebug(2,Form("\n %i %f %f %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy, dx, dpx ));
05c39730 272 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 273 // consistent
274 accepted[ico]=kTRUE;
05c39730 275 dr[ico] = TMath::Sqrt(dx*dx+dy*dy);
a9e2aefa 276 iacc++;
277 } else {
278 // reject
279 accepted[ico]=kFALSE;
280 }
281 }
c4a97bcd 282 AliDebug(1,Form("\n iacc= %d:\n", iacc));
05c39730 283 if (iacc == 3) {
284 if (accepted[0] && accepted[1]) {
285 if (dr[0] >= dr[1]) {
286 accepted[0]=kFALSE;
287 } else {
288 accepted[1]=kFALSE;
289 }
290 }
a9e2aefa 291
05c39730 292 if (accepted[2] && accepted[3]) {
293 if (dr[2] >= dr[3]) {
294 accepted[2]=kFALSE;
295 } else {
296 accepted[3]=kFALSE;
297 }
298 }
299/*
300// eliminate one candidate
301 Float_t drmax = 0;
302 Int_t icobad = -1;
303
304 for (ico=0; ico<4; ico++) {
305 if (accepted[ico] && dr[ico] > drmax) {
306 icobad = ico;
307 drmax = dr[ico];
308 }
309 }
310
311 accepted[icobad] = kFALSE;
312*/
313 iacc = 2;
314 }
315
316
c4a97bcd 317 AliDebug(1,Form("\n iacc= %d:\n", iacc));
318 if (iacc==2) {
319 AliDebug(1,"\n iacc=2: No problem ! \n");
320 } else if (iacc==4) {
321 AliDebug(1,"\n iacc=4: Ok, but ghost problem !!! \n");
322 } else if (iacc==0) {
323 AliDebug(1,"\n iacc=0: I don't know what to do with this !!!!!!!!! \n");
a9e2aefa 324 }
325
326// Initial value for charge ratios
327 fQrInit[0]=Float_t(fQ[fIndLocal[0][0]][0])/
328 Float_t(fQ[fIndLocal[0][0]][0]+fQ[fIndLocal[1][0]][0]);
329 fQrInit[1]=Float_t(fQ[fIndLocal[0][1]][1])/
330 Float_t(fQ[fIndLocal[0][1]][1]+fQ[fIndLocal[1][1]][1]);
331
332// ******* iacc = 0 *******
333// No combinations found between the 2 cathodes
334// We keep the center of gravity of the cluster
335 if (iacc==0) {
336 AddRawCluster(*c);
337 }
338
339// ******* iacc = 1 *******
340// Only one combination found between the 2 cathodes
341 if (iacc==1) {
a9e2aefa 342// Initial values for the 2 maxima (x,y)
343
344// 1 maximum is initialised with the maximum of the combination found (X->cathode 2, Y->cathode 1)
345// 1 maximum is initialised with the other maximum of the first cathode
346 if (accepted[0]){
8c343c7c 347 AliDebug(1,"ico=0");
a9e2aefa 348 fXInit[0]=xm[0][1];
349 fYInit[0]=ym[0][0];
350 fXInit[1]=xm[3][0];
351 fYInit[1]=ym[3][0];
352 } else if (accepted[1]){
8c343c7c 353 AliDebug(1,"ico=1");
a9e2aefa 354 fXInit[0]=xm[1][1];
355 fYInit[0]=ym[1][0];
356 fXInit[1]=xm[2][0];
357 fYInit[1]=ym[2][0];
358 } else if (accepted[2]){
8c343c7c 359 AliDebug(1,"ico=2");
a9e2aefa 360 fXInit[0]=xm[2][1];
361 fYInit[0]=ym[2][0];
362 fXInit[1]=xm[1][0];
363 fYInit[1]=ym[1][0];
364 } else if (accepted[3]){
8c343c7c 365 AliDebug(1,"ico=3");
a9e2aefa 366 fXInit[0]=xm[3][1];
367 fYInit[0]=ym[3][0];
368 fXInit[1]=xm[0][0];
369 fYInit[1]=ym[0][0];
370 }
8c343c7c 371 AliDebug(1,"cas (2) CombiDoubleMathiesonFit(c)");
a9e2aefa 372 chi2=CombiDoubleMathiesonFit(c);
373// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
374// Float_t prob = TMath::Prob(chi2,ndf);
375// prob2->Fill(prob);
376// chi2_2->Fill(chi2);
8c343c7c 377 AliDebug(1,Form(" chi2 %f\n",chi2));
a9e2aefa 378
379// If reasonable chi^2 add result to the list of rawclusters
380 if (chi2<10) {
381 Split(c);
382
383 } else {
384// 1 maximum is initialised with the maximum of the combination found (X->cathode 2, Y->cathode 1)
385// 1 maximum is initialised with the other maximum of the second cathode
386 if (accepted[0]){
8c343c7c 387 AliDebug(1,"ico=0");
a9e2aefa 388 fXInit[0]=xm[0][1];
389 fYInit[0]=ym[0][0];
390 fXInit[1]=xm[3][1];
391 fYInit[1]=ym[3][1];
392 } else if (accepted[1]){
8c343c7c 393 AliDebug(1,"ico=1");
a9e2aefa 394 fXInit[0]=xm[1][1];
395 fYInit[0]=ym[1][0];
396 fXInit[1]=xm[2][1];
397 fYInit[1]=ym[2][1];
398 } else if (accepted[2]){
8c343c7c 399 AliDebug(1,"ico=2");
a9e2aefa 400 fXInit[0]=xm[2][1];
401 fYInit[0]=ym[2][0];
402 fXInit[1]=xm[1][1];
403 fYInit[1]=ym[1][1];
404 } else if (accepted[3]){
8c343c7c 405 AliDebug(1,"ico=3");
a9e2aefa 406 fXInit[0]=xm[3][1];
407 fYInit[0]=ym[3][0];
408 fXInit[1]=xm[0][1];
409 fYInit[1]=ym[0][1];
410 }
8c343c7c 411 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
a9e2aefa 412 chi2=CombiDoubleMathiesonFit(c);
413// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
414// Float_t prob = TMath::Prob(chi2,ndf);
415// prob2->Fill(prob);
416// chi2_2->Fill(chi2);
c4a97bcd 417 AliDebug(1,Form(" chi2 %f\n",chi2));
a9e2aefa 418
419// If reasonable chi^2 add result to the list of rawclusters
420 if (chi2<10) {
421 Split(c);
422 } else {
423//We keep only the combination found (X->cathode 2, Y->cathode 1)
424 for (Int_t ico=0; ico<2; ico++) {
425 if (accepted[ico]) {
426 AliMUONRawCluster cnew;
427 Int_t cath;
428 for (cath=0; cath<2; cath++) {
ba12c242 429 cnew.SetX(cath, Float_t(xm[ico][1]));
430 cnew.SetY(cath, Float_t(ym[ico][0]));
431 cnew.SetZ(cath, fZPlane);
aadda617 432
9e993f2a 433 cnew.SetMultiplicity(cath,c->GetMultiplicity(cath));
a9e2aefa 434 for (i=0; i<fMul[cath]; i++) {
0164904a 435 cnew.SetIndex(i, cath, c->GetIndex(i,cath));
f0d86bc4 436 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 437 }
c4a97bcd 438 AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
439 AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
9825400f 440 FillCluster(&cnew,cath);
a9e2aefa 441 }
9e993f2a 442 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 443 AddRawCluster(cnew);
444 fNPeaks++;
445 }
446 }
447 }
448 }
449 }
9825400f 450
a9e2aefa 451// ******* iacc = 2 *******
452// Two combinations found between the 2 cathodes
453 if (iacc==2) {
a9e2aefa 454// Was the same maximum taken twice
9825400f 455 if ((accepted[0]&&accepted[1]) || (accepted[2]&&accepted[3])) {
c4a97bcd 456 AliDebug(1,"\n Maximum taken twice !!!\n");
a9e2aefa 457
05c39730 458// Have a try !! with that
9825400f 459 if (accepted[0]&&accepted[3]) {
460 fXInit[0]=xm[0][1];
461 fYInit[0]=ym[0][0];
462 fXInit[1]=xm[1][1];
463 fYInit[1]=ym[1][0];
464 } else {
465 fXInit[0]=xm[2][1];
466 fYInit[0]=ym[2][0];
467 fXInit[1]=xm[3][1];
468 fYInit[1]=ym[3][0];
469 }
c4a97bcd 470 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 471 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 472// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
473// Float_t prob = TMath::Prob(chi2,ndf);
474// prob2->Fill(prob);
475// chi2_2->Fill(chi2);
9825400f 476 Split(c);
477
478 } else {
a9e2aefa 479// No ghosts ! No Problems ! - Perform one fit only !
9825400f 480 if (accepted[0]&&accepted[3]) {
481 fXInit[0]=xm[0][1];
482 fYInit[0]=ym[0][0];
483 fXInit[1]=xm[3][1];
484 fYInit[1]=ym[3][0];
485 } else {
486 fXInit[0]=xm[1][1];
487 fYInit[0]=ym[1][0];
488 fXInit[1]=xm[2][1];
489 fYInit[1]=ym[2][0];
490 }
c4a97bcd 491 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 492 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 493// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
494// Float_t prob = TMath::Prob(chi2,ndf);
495// prob2->Fill(prob);
496// chi2_2->Fill(chi2);
c4a97bcd 497 AliDebug(1,Form(" chi2 %f\n",chi2));
9825400f 498 Split(c);
499 }
500
a9e2aefa 501// ******* iacc = 4 *******
502// Four combinations found between the 2 cathodes
503// Ghost !!
9825400f 504 } else if (iacc==4) {
a9e2aefa 505// Perform fits for the two possibilities !!
07cfabcf 506// Accept if charges are compatible on both cathodes
507// If none are compatible, keep everything
9825400f 508 fXInit[0]=xm[0][1];
509 fYInit[0]=ym[0][0];
510 fXInit[1]=xm[3][1];
511 fYInit[1]=ym[3][0];
c4a97bcd 512 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 513 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 514// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
515// Float_t prob = TMath::Prob(chi2,ndf);
516// prob2->Fill(prob);
517// chi2_2->Fill(chi2);
c4a97bcd 518 AliDebug(1,Form(" chi2 %f\n",chi2));
07cfabcf 519 // store results of fit and postpone decision
520 Double_t sXFit[2],sYFit[2],sQrFit[2];
521 Float_t sChi2[2];
522 for (Int_t i=0;i<2;i++) {
523 sXFit[i]=fXFit[i];
524 sYFit[i]=fYFit[i];
525 sQrFit[i]=fQrFit[i];
526 sChi2[i]=fChi2[i];
527 }
9825400f 528 fXInit[0]=xm[1][1];
529 fYInit[0]=ym[1][0];
530 fXInit[1]=xm[2][1];
531 fYInit[1]=ym[2][0];
c4a97bcd 532 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 533 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 534// ndf = fgNbins[0]+fgNbins[1]-6;
535// prob = TMath::Prob(chi2,ndf);
536// prob2->Fill(prob);
537// chi2_2->Fill(chi2);
c4a97bcd 538 AliDebug(1,Form(" chi2 %f\n",chi2));
07cfabcf 539 // We have all informations to perform the decision
540 // Compute the chi2 for the 2 possibilities
541 Float_t chi2fi,chi2si,chi2f,chi2s;
542
543 chi2f = (TMath::Log(fInput->TotalCharge(0)*fQrFit[0]
544 / (fInput->TotalCharge(1)*fQrFit[1]) )
7e4a628d 545 / fInput->ChargeCorrel() );
07cfabcf 546 chi2f *=chi2f;
547 chi2fi = (TMath::Log(fInput->TotalCharge(0)*(1-fQrFit[0])
548 / (fInput->TotalCharge(1)*(1-fQrFit[1])) )
7e4a628d 549 / fInput->ChargeCorrel() );
07cfabcf 550 chi2f += chi2fi*chi2fi;
551
552 chi2s = (TMath::Log(fInput->TotalCharge(0)*sQrFit[0]
553 / (fInput->TotalCharge(1)*sQrFit[1]) )
7e4a628d 554 / fInput->ChargeCorrel() );
07cfabcf 555 chi2s *=chi2s;
556 chi2si = (TMath::Log(fInput->TotalCharge(0)*(1-sQrFit[0])
557 / (fInput->TotalCharge(1)*(1-sQrFit[1])) )
7e4a628d 558 / fInput->ChargeCorrel() );
07cfabcf 559 chi2s += chi2si*chi2si;
560
561 // usefull to store the charge matching chi2 in the cluster
562 // fChi2[0]=sChi2[1]=chi2f;
563 // fChi2[1]=sChi2[0]=chi2s;
564
565 if (chi2f<=fGhostChi2Cut && chi2s<=fGhostChi2Cut)
3b5272e3 566 c->SetGhost(1);
07cfabcf 567 if (chi2f>fGhostChi2Cut && chi2s>fGhostChi2Cut) {
568 // we keep the ghost
3b5272e3 569 c->SetGhost(2);
07cfabcf 570 chi2s=-1;
571 chi2f=-1;
572 }
573 if (chi2f<=fGhostChi2Cut)
574 Split(c);
575 if (chi2s<=fGhostChi2Cut) {
576 // retreive saved values
577 for (Int_t i=0;i<2;i++) {
578 fXFit[i]=sXFit[i];
579 fYFit[i]=sYFit[i];
580 fQrFit[i]=sQrFit[i];
581 fChi2[i]=sChi2[i];
582 }
583 Split(c);
584 }
3b5272e3 585 c->SetGhost(0);
9825400f 586 }
a9e2aefa 587
9825400f 588 } else if (fNLocal[0]==2 && fNLocal[1]==1) {
a9e2aefa 589// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
590// (3) Two local maxima on cathode 1 and one maximum on cathode 2
591// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
592//
593 Float_t xm[4][2], ym[4][2];
594 Float_t dpx, dpy, dx, dy;
595 Int_t ixm[4][2], iym[4][2];
596 Int_t isec, im1, ico;
597//
598// Form the 2x2 combinations
599// 0-0, 0-1, 1-0, 1-1
600 ico=0;
601 for (im1=0; im1<2; im1++) {
9825400f 602 xm[ico][0]=fX[fIndLocal[im1][0]][0];
603 ym[ico][0]=fY[fIndLocal[im1][0]][0];
604 xm[ico][1]=fX[fIndLocal[0][1]][1];
605 ym[ico][1]=fY[fIndLocal[0][1]][1];
606
607 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
608 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
609 ixm[ico][1]=fIx[fIndLocal[0][1]][1];
610 iym[ico][1]=fIy[fIndLocal[0][1]][1];
611 ico++;
a9e2aefa 612 }
613// ico = 0 : first local maximum on cathodes 1 and 2
614// ico = 1 : second local maximum on cathode 1 and first on cathode 2
615
616// Analyse the combinations and keep those that are possible !
617// For each combination check consistency in x and y
618 Int_t iacc;
619 Bool_t accepted[4];
620 iacc=0;
05c39730 621 // In case of staggering maxima are displaced by exactly half the pad-size in y.
375c469b 622 // We have to take into account the numerical precision in the consistency check;
623
05c39730 624 Float_t eps = 1.e-5;
625
a9e2aefa 626 for (ico=0; ico<2; ico++) {
627 accepted[ico]=kFALSE;
f0d86bc4 628 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
629 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 630 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
f0d86bc4 631 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
632 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 633 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 634 AliDebug(2,Form("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy ));
05c39730 635 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 636 // consistent
637 accepted[ico]=kTRUE;
638 iacc++;
639 } else {
640 // reject
641 accepted[ico]=kFALSE;
642 }
643 }
9825400f 644
a9e2aefa 645 Float_t chi21 = 100;
646 Float_t chi22 = 100;
05c39730 647 Float_t chi23 = 100;
648
649 // Initial value for charge ratios
650 fQrInit[0]=Float_t(fQ[fIndLocal[0][0]][0])/
651 Float_t(fQ[fIndLocal[0][0]][0]+fQ[fIndLocal[1][0]][0]);
652 fQrInit[1]=fQrInit[0];
9825400f 653
05c39730 654 if (accepted[0] && accepted[1]) {
655
656 fXInit[0]=0.5*(xm[0][1]+xm[0][0]);
657 fYInit[0]=ym[0][0];
658 fXInit[1]=0.5*(xm[0][1]+xm[1][0]);
659 fYInit[1]=ym[1][0];
660 fQrInit[0]=0.5;
661 fQrInit[1]=0.5;
662 chi23=CombiDoubleMathiesonFit(c);
663 if (chi23<10) {
664 Split(c);
665 Float_t yst;
666 yst = fYFit[0];
667 fYFit[0] = fYFit[1];
668 fYFit[1] = yst;
669 Split(c);
670 }
671 } else if (accepted[0]) {
a9e2aefa 672 fXInit[0]=xm[0][1];
673 fYInit[0]=ym[0][0];
674 fXInit[1]=xm[1][0];
675 fYInit[1]=ym[1][0];
676 chi21=CombiDoubleMathiesonFit(c);
677// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
678// Float_t prob = TMath::Prob(chi2,ndf);
679// prob2->Fill(prob);
680// chi2_2->Fill(chi21);
c4a97bcd 681 AliDebug(1,Form(" chi2 %f\n",chi21));
a9e2aefa 682 if (chi21<10) Split(c);
683 } else if (accepted[1]) {
684 fXInit[0]=xm[1][1];
685 fYInit[0]=ym[1][0];
686 fXInit[1]=xm[0][0];
687 fYInit[1]=ym[0][0];
688 chi22=CombiDoubleMathiesonFit(c);
689// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
690// Float_t prob = TMath::Prob(chi2,ndf);
691// prob2->Fill(prob);
692// chi2_2->Fill(chi22);
c4a97bcd 693 AliDebug(1,Form(" chi2 %f\n",chi22));
a9e2aefa 694 if (chi22<10) Split(c);
695 }
696
375c469b 697 if (chi21 > 10 && chi22 > 10 && chi23 > 10) {
a9e2aefa 698// We keep only the combination found (X->cathode 2, Y->cathode 1)
699 for (Int_t ico=0; ico<2; ico++) {
700 if (accepted[ico]) {
701 AliMUONRawCluster cnew;
702 Int_t cath;
703 for (cath=0; cath<2; cath++) {
ba12c242 704 cnew.SetX(cath, Float_t(xm[ico][1]));
705 cnew.SetY(cath, Float_t(ym[ico][0]));
706 cnew.SetZ(cath, fZPlane);
9e993f2a 707 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 708 for (i=0; i<fMul[cath]; i++) {
0164904a 709 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
f0d86bc4 710 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 711 }
c4a97bcd 712 AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
713 AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
714
a9e2aefa 715 FillCluster(&cnew,cath);
716 }
9e993f2a 717 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 718 AddRawCluster(cnew);
719 fNPeaks++;
720 }
721 }
722 }
9825400f 723
a9e2aefa 724// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
725// (3') One local maximum on cathode 1 and two maxima on cathode 2
726// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
727 } else if (fNLocal[0]==1 && fNLocal[1]==2) {
a9e2aefa 728 Float_t xm[4][2], ym[4][2];
729 Float_t dpx, dpy, dx, dy;
730 Int_t ixm[4][2], iym[4][2];
731 Int_t isec, im1, ico;
732//
733// Form the 2x2 combinations
734// 0-0, 0-1, 1-0, 1-1
735 ico=0;
736 for (im1=0; im1<2; im1++) {
9825400f 737 xm[ico][0]=fX[fIndLocal[0][0]][0];
738 ym[ico][0]=fY[fIndLocal[0][0]][0];
739 xm[ico][1]=fX[fIndLocal[im1][1]][1];
740 ym[ico][1]=fY[fIndLocal[im1][1]][1];
741
742 ixm[ico][0]=fIx[fIndLocal[0][0]][0];
743 iym[ico][0]=fIy[fIndLocal[0][0]][0];
744 ixm[ico][1]=fIx[fIndLocal[im1][1]][1];
745 iym[ico][1]=fIy[fIndLocal[im1][1]][1];
746 ico++;
a9e2aefa 747 }
748// ico = 0 : first local maximum on cathodes 1 and 2
749// ico = 1 : first local maximum on cathode 1 and second on cathode 2
750
751// Analyse the combinations and keep those that are possible !
752// For each combination check consistency in x and y
753 Int_t iacc;
754 Bool_t accepted[4];
755 iacc=0;
05c39730 756 // In case of staggering maxima are displaced by exactly half the pad-size in y.
757 // We have to take into account the numerical precision in the consistency check;
758 Float_t eps = 1.e-5;
759
a9e2aefa 760
761 for (ico=0; ico<2; ico++) {
762 accepted[ico]=kFALSE;
f0d86bc4 763 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
764 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 765 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
f0d86bc4 766 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
767 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 768 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 769 AliDebug(1,Form("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy ));
05c39730 770 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 771 // consistent
772 accepted[ico]=kTRUE;
c4a97bcd 773 AliDebug(1,Form("ico %d\n",ico));
a9e2aefa 774 iacc++;
775 } else {
776 // reject
777 accepted[ico]=kFALSE;
778 }
779 }
780
781 Float_t chi21 = 100;
782 Float_t chi22 = 100;
05c39730 783 Float_t chi23 = 100;
784
785 fQrInit[1]=Float_t(fQ[fIndLocal[0][1]][1])/
786 Float_t(fQ[fIndLocal[0][1]][1]+fQ[fIndLocal[1][1]][1]);
787
788 fQrInit[0]=fQrInit[1];
a9e2aefa 789
05c39730 790
791 if (accepted[0] && accepted[1]) {
792 fXInit[0]=xm[0][1];
793 fYInit[0]=0.5*(ym[0][0]+ym[0][1]);
794 fXInit[1]=xm[1][1];
795 fYInit[1]=0.5*(ym[0][0]+ym[1][1]);
796 fQrInit[0]=0.5;
797 fQrInit[1]=0.5;
798 chi23=CombiDoubleMathiesonFit(c);
799 if (chi23<10) {
800 Split(c);
801 Float_t yst;
802 yst = fYFit[0];
803 fYFit[0] = fYFit[1];
804 fYFit[1] = yst;
805 Split(c);
806 }
807 } else if (accepted[0]) {
a9e2aefa 808 fXInit[0]=xm[0][0];
809 fYInit[0]=ym[0][1];
810 fXInit[1]=xm[1][1];
811 fYInit[1]=ym[1][1];
812 chi21=CombiDoubleMathiesonFit(c);
813// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
814// Float_t prob = TMath::Prob(chi2,ndf);
815// prob2->Fill(prob);
816// chi2_2->Fill(chi21);
c4a97bcd 817 AliDebug(1,Form(" chi2 %f\n",chi21));
a9e2aefa 818 if (chi21<10) Split(c);
819 } else if (accepted[1]) {
820 fXInit[0]=xm[1][0];
821 fYInit[0]=ym[1][1];
822 fXInit[1]=xm[0][1];
823 fYInit[1]=ym[0][1];
824 chi22=CombiDoubleMathiesonFit(c);
825// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
826// Float_t prob = TMath::Prob(chi2,ndf);
827// prob2->Fill(prob);
828// chi2_2->Fill(chi22);
c4a97bcd 829 AliDebug(1,Form(" chi2 %f\n",chi22));
a9e2aefa 830 if (chi22<10) Split(c);
831 }
832
05c39730 833 if (chi21 > 10 && chi22 > 10 && chi23 > 10) {
a9e2aefa 834//We keep only the combination found (X->cathode 2, Y->cathode 1)
835 for (Int_t ico=0; ico<2; ico++) {
836 if (accepted[ico]) {
837 AliMUONRawCluster cnew;
838 Int_t cath;
839 for (cath=0; cath<2; cath++) {
ba12c242 840 cnew.SetX(cath, Float_t(xm[ico][1]));
841 cnew.SetY(cath, Float_t(ym[ico][0]));
842 cnew.SetZ(cath, fZPlane);
9e993f2a 843 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 844 for (i=0; i<fMul[cath]; i++) {
0164904a 845 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
f0d86bc4 846 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 847 }
c4a97bcd 848 AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
849 AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
a9e2aefa 850 FillCluster(&cnew,cath);
851 }
9e993f2a 852 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 853 AddRawCluster(cnew);
854 fNPeaks++;
855 }
856 }
857 }
858
859// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
860// (4) At least three local maxima on cathode 1 or on cathode 2
861// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
862 } else if (fNLocal[0]>2 || fNLocal[1]>2) {
a9e2aefa 863 Int_t param = fNLocal[0]*fNLocal[1];
f8ffca81 864 Int_t ii;
9825400f 865
39e6d319 866 Float_t ** xm = new Float_t * [param];
867 for (ii=0; ii<param; ii++) xm[ii]=new Float_t [2];
868 Float_t ** ym = new Float_t * [param];
869 for (ii=0; ii<param; ii++) ym[ii]=new Float_t [2];
870 Int_t ** ixm = new Int_t * [param];
871 for (ii=0; ii<param; ii++) ixm[ii]=new Int_t [2];
872 Int_t ** iym = new Int_t * [param];
873 for (ii=0; ii<param; ii++) iym[ii]=new Int_t [2];
f8ffca81 874
a9e2aefa 875 Int_t isec, ico;
876 Float_t dpx, dpy, dx, dy;
877
878 ico=0;
879 for (Int_t im1=0; im1<fNLocal[0]; im1++) {
880 for (Int_t im2=0; im2<fNLocal[1]; im2++) {
881 xm[ico][0]=fX[fIndLocal[im1][0]][0];
882 ym[ico][0]=fY[fIndLocal[im1][0]][0];
883 xm[ico][1]=fX[fIndLocal[im2][1]][1];
884 ym[ico][1]=fY[fIndLocal[im2][1]][1];
885
886 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
887 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
888 ixm[ico][1]=fIx[fIndLocal[im2][1]][1];
889 iym[ico][1]=fIy[fIndLocal[im2][1]][1];
890 ico++;
891 }
892 }
9825400f 893
a9e2aefa 894 Int_t nIco = ico;
c4a97bcd 895 AliDebug(1,Form("nIco %d\n",nIco));
a9e2aefa 896 for (ico=0; ico<nIco; ico++) {
c4a97bcd 897 AliDebug(1,Form("ico = %d\n",ico));
f0d86bc4 898 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
899 dpx=fSeg[0]->Dpx(isec)/2.;
a9e2aefa 900 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
f0d86bc4 901 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
902 dpy=fSeg[1]->Dpy(isec)/2.;
a9e2aefa 903 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 904 AliDebug(1,Form("dx %f dpx %f dy %f dpy %f\n",dx,dpx,dy,dpy));
905 AliDebug(1,Form(" X %f Y %f\n",xm[ico][1],ym[ico][0]));
a9e2aefa 906 if ((dx <= dpx) && (dy <= dpy)) {
c4a97bcd 907 AliDebug(1,"ok\n");
a9e2aefa 908 Int_t cath;
909 AliMUONRawCluster cnew;
910 for (cath=0; cath<2; cath++) {
ba12c242 911 cnew.SetX(cath, Float_t(xm[ico][1]));
912 cnew.SetY(cath, Float_t(ym[ico][0]));
913 cnew.SetZ(cath, fZPlane);
9e993f2a 914 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 915 for (i=0; i<fMul[cath]; i++) {
0164904a 916 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
f0d86bc4 917 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
a9e2aefa 918 }
919 FillCluster(&cnew,cath);
920 }
9e993f2a 921 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 922 AddRawCluster(cnew);
923 fNPeaks++;
924 }
925 }
f8ffca81 926 delete [] xm;
927 delete [] ym;
928 delete [] ixm;
929 delete [] iym;
a9e2aefa 930 }
931}
932
e3cba86e 933void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
a9e2aefa 934{
935// Find all local maxima of a cluster
c4a97bcd 936 AliDebug(1,"\n Find Local maxima !");
f0d86bc4 937
a9e2aefa 938 AliMUONDigit* digt;
939
940 Int_t cath, cath1; // loops over cathodes
941 Int_t i; // loops over digits
942 Int_t j; // loops over cathodes
943//
944// Find local maxima
945//
946// counters for number of local maxima
947 fNLocal[0]=fNLocal[1]=0;
948// flags digits as local maximum
949 Bool_t isLocal[100][2];
950 for (i=0; i<100;i++) {
951 isLocal[i][0]=isLocal[i][1]=kFALSE;
952 }
953// number of next neighbours and arrays to store them
954 Int_t nn;
30aaba74 955 Int_t x[10], y[10];
a9e2aefa 956// loop over cathodes
957 for (cath=0; cath<2; cath++) {
958// loop over cluster digits
959 for (i=0; i<fMul[cath]; i++) {
960// get neighbours for that digit and assume that it is local maximum
f0d86bc4 961 fSeg[cath]->Neighbours(fIx[i][cath], fIy[i][cath], &nn, x, y);
a9e2aefa 962 isLocal[i][cath]=kTRUE;
f0d86bc4 963 Int_t isec= fSeg[cath]->Sector(fIx[i][cath], fIy[i][cath]);
964 Float_t a0 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
a9e2aefa 965// loop over next neighbours, if at least one neighbour has higher charger assumption
966// digit is not local maximum
967 for (j=0; j<nn; j++) {
30aaba74 968 if (fHitMap[cath]->TestHit(x[j], y[j])==kEmpty) continue;
969 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(x[j], y[j]);
f0d86bc4 970 isec=fSeg[cath]->Sector(x[j], y[j]);
971 Float_t a1 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
08a636a8 972 if (digt->Signal()/a1 > fQ[i][cath]/a0) {
a9e2aefa 973 isLocal[i][cath]=kFALSE;
974 break;
975//
976// handle special case of neighbouring pads with equal signal
08a636a8 977 } else if (digt->Signal() == fQ[i][cath]) {
a9e2aefa 978 if (fNLocal[cath]>0) {
979 for (Int_t k=0; k<fNLocal[cath]; k++) {
980 if (x[j]==fIx[fIndLocal[k][cath]][cath]
981 && y[j]==fIy[fIndLocal[k][cath]][cath])
982 {
983 isLocal[i][cath]=kFALSE;
984 }
985 } // loop over local maxima
986 } // are there already local maxima
987 } // same charge ?
988 } // loop over next neighbours
989 if (isLocal[i][cath]) {
990 fIndLocal[fNLocal[cath]][cath]=i;
991 fNLocal[cath]++;
992 }
993 } // loop over all digits
994 } // loop over cathodes
07cfabcf 995
c4a97bcd 996 AliDebug(1,Form("\n Found %d %d %d %d local Maxima\n",
997 fNLocal[0], fNLocal[1], fMul[0], fMul[1]));
998 AliDebug(1,Form("\n Cathode 1 local Maxima %d Multiplicite %d\n",fNLocal[0], fMul[0]));
999 AliDebug(1,Form(" Cathode 2 local Maxima %d Multiplicite %d\n",fNLocal[1], fMul[1]));
a9e2aefa 1000 Int_t ix, iy, isec;
1001 Float_t dpx, dpy;
1002
1003
1004 if (fNLocal[1]==2 && (fNLocal[0]==1 || fNLocal[0]==0)) {
1005 Int_t iback=fNLocal[0];
1006
1007// Two local maxima on cathode 2 and one maximum on cathode 1
1008// Look for local maxima considering up and down neighbours on the 1st cathode only
1009//
1010// Loop over cluster digits
1011 cath=0;
1012 cath1=1;
1013
1014 for (i=0; i<fMul[cath]; i++) {
f0d86bc4 1015 isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
1016 dpy=fSeg[cath]->Dpy(isec);
1017 dpx=fSeg[cath]->Dpx(isec);
a9e2aefa 1018 if (isLocal[i][cath]) continue;
1019// Pad position should be consistent with position of local maxima on the opposite cathode
1020 if ((TMath::Abs(fX[i][cath]-fX[fIndLocal[0][cath1]][cath1]) > dpx/2.) &&
1021 (TMath::Abs(fX[i][cath]-fX[fIndLocal[1][cath1]][cath1]) > dpx/2.))
1022 continue;
1023
1024// get neighbours for that digit and assume that it is local maximum
1025 isLocal[i][cath]=kTRUE;
1026// compare signal to that on the two neighbours on the left and on the right
a9e2aefa 1027// iNN counts the number of neighbours with signal, it should be 1 or 2
1028 Int_t iNN=0;
f0d86bc4 1029
1030 for (fSeg[cath]
1031 ->FirstPad(fX[i][cath], fY[i][cath], fZPlane, 0., dpy);
1032 fSeg[cath]
1033 ->MorePads();
1034 fSeg[cath]
1035 ->NextPad())
1036 {
1037 ix = fSeg[cath]->Ix();
1038 iy = fSeg[cath]->Iy();
1039 // skip the current pad
1040 if (iy == fIy[i][cath]) continue;
1041
1042 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
1043 iNN++;
1044 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
08a636a8 1045 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
f0d86bc4 1046 }
1047 } // Loop over pad neighbours in y
a9e2aefa 1048 if (isLocal[i][cath] && iNN>0) {
1049 fIndLocal[fNLocal[cath]][cath]=i;
1050 fNLocal[cath]++;
1051 }
1052 } // loop over all digits
1053// if one additional maximum has been found we are happy
1054// if more maxima have been found restore the previous situation
c4a97bcd 1055 AliDebug(1,Form("\n New search gives %d local maxima for cathode 1 \n",
1056 fNLocal[0]));
1057 AliDebug(1,Form(" %d local maxima for cathode 2 \n",
1058 fNLocal[1]));
a9e2aefa 1059 if (fNLocal[cath]>2) {
1060 fNLocal[cath]=iback;
1061 }
1062
1063 } // 1,2 local maxima
1064
1065 if (fNLocal[0]==2 && (fNLocal[1]==1 || fNLocal[1]==0)) {
1066 Int_t iback=fNLocal[1];
1067
1068// Two local maxima on cathode 1 and one maximum on cathode 2
1069// Look for local maxima considering left and right neighbours on the 2nd cathode only
1070 cath=1;
05c39730 1071 Int_t cath1 = 0;
1072 Float_t eps = 1.e-5;
1073
a9e2aefa 1074//
1075// Loop over cluster digits
1076 for (i=0; i<fMul[cath]; i++) {
f0d86bc4 1077 isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
1078 dpx=fSeg[cath]->Dpx(isec);
1079 dpy=fSeg[cath]->Dpy(isec);
a9e2aefa 1080 if (isLocal[i][cath]) continue;
1081// Pad position should be consistent with position of local maxima on the opposite cathode
05c39730 1082 if ((TMath::Abs(fY[i][cath]-fY[fIndLocal[0][cath1]][cath1]) > dpy/2.+eps) &&
1083 (TMath::Abs(fY[i][cath]-fY[fIndLocal[1][cath1]][cath1]) > dpy/2.+eps))
a9e2aefa 1084 continue;
05c39730 1085
a9e2aefa 1086//
1087// get neighbours for that digit and assume that it is local maximum
1088 isLocal[i][cath]=kTRUE;
1089// compare signal to that on the two neighbours on the left and on the right
f0d86bc4 1090
a9e2aefa 1091// iNN counts the number of neighbours with signal, it should be 1 or 2
1092 Int_t iNN=0;
f0d86bc4 1093 for (fSeg[cath]
05c39730 1094 ->FirstPad(fX[i][cath], fY[i][cath], fZPlane, dpx, 0.);
f0d86bc4 1095 fSeg[cath]
1096 ->MorePads();
1097 fSeg[cath]
1098 ->NextPad())
1099 {
05c39730 1100
f0d86bc4 1101 ix = fSeg[cath]->Ix();
1102 iy = fSeg[cath]->Iy();
05c39730 1103
f0d86bc4 1104 // skip the current pad
1105 if (ix == fIx[i][cath]) continue;
1106
1107 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
1108 iNN++;
1109 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
08a636a8 1110 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
f0d86bc4 1111 }
1112 } // Loop over pad neighbours in x
a9e2aefa 1113 if (isLocal[i][cath] && iNN>0) {
1114 fIndLocal[fNLocal[cath]][cath]=i;
1115 fNLocal[cath]++;
1116 }
1117 } // loop over all digits
1118// if one additional maximum has been found we are happy
1119// if more maxima have been found restore the previous situation
c4a97bcd 1120 AliDebug(1,Form("\n New search gives %d local maxima for cathode 1 \n",fNLocal[0]));
1121 AliDebug(1,Form("\n %d local maxima for cathode 2 \n",fNLocal[1]));
1122 AliDebug(1,Form("\n New search gives %d %d \n",fNLocal[0],fNLocal[1]));
a9e2aefa 1123 if (fNLocal[cath]>2) {
1124 fNLocal[cath]=iback;
1125 }
a9e2aefa 1126 } // 2,1 local maxima
1127}
1128
1129
1130void AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t flag, Int_t cath)
1131{
1132//
1133// Completes cluster information starting from list of digits
1134//
1135 AliMUONDigit* dig;
802a864d 1136 Float_t x, y, z;
a9e2aefa 1137 Int_t ix, iy;
1138
1139 if (cath==1) {
9e993f2a 1140 c->SetPeakSignal(cath,c->GetPeakSignal(0));
a9e2aefa 1141 } else {
9e993f2a 1142 c->SetPeakSignal(cath,0);
a9e2aefa 1143 }
1144
1145
1146 if (flag) {
ba12c242 1147 c->SetX(cath,0.);
1148 c->SetY(cath,0.);
1149 c->SetCharge(cath,0);
a9e2aefa 1150 }
1151
c4a97bcd 1152 AliDebug(1,Form("\n fPeakSignal %d\n",c->GetPeakSignal(cath)));
9e993f2a 1153 for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
a9e2aefa 1154 {
0164904a 1155 dig= fInput->Digit(cath,c->GetIndex(i,cath));
1156 ix=dig->PadX()+c->GetOffset(i,cath);
08a636a8 1157 iy=dig->PadY();
1158 Int_t q=dig->Signal();
0164904a 1159 if (!flag) q=Int_t(q*c->GetContrib(i,cath));
a9e2aefa 1160// fprintf(stderr,"q %d c->fPeakSignal[ %d ] %d\n",q,cath,c->fPeakSignal[cath]);
08a636a8 1161 if (dig->Physics() >= dig->Signal()) {
0164904a 1162 c->SetPhysics(i,2);
08a636a8 1163 } else if (dig->Physics() == 0) {
0164904a 1164 c->SetPhysics(i,0);
1165 } else c->SetPhysics(i,1);
a9e2aefa 1166//
1167//
c4a97bcd 1168 AliDebug(2,Form("q %d c->fPeakSignal[cath] %d\n",q,c->GetPeakSignal(cath)));
a9e2aefa 1169// peak signal and track list
9e993f2a 1170 if (q>c->GetPeakSignal(cath)) {
1171 c->SetPeakSignal(cath, q);
1172 c->SetTrack(0,dig->Hit());
1173 c->SetTrack(1,dig->Track(0));
1174 c->SetTrack(2,dig->Track(1));
a9e2aefa 1175// fprintf(stderr," c->fTracks[0] %d c->fTracks[1] %d\n",dig->fHit,dig->fTracks[0]);
1176 }
1177//
1178 if (flag) {
f0d86bc4 1179 fSeg[cath]->GetPadC(ix, iy, x, y, z);
ba12c242 1180 c->AddX(cath, q*x);
1181 c->AddY(cath, q*y);
1182 c->AddCharge(cath, q);
a9e2aefa 1183 }
1184 } // loop over digits
c4a97bcd 1185 AliDebug(1," fin du cluster c\n");
a9e2aefa 1186
1187
1188 if (flag) {
ba12c242 1189 c->SetX(cath, c->GetX(cath)/c->GetCharge(cath));
07cfabcf 1190// Force on anod
ba12c242 1191 c->SetX(cath, fSeg[cath]->GetAnod(c->GetX(cath)));
1192 c->SetY(cath, c->GetY(cath)/c->GetCharge(cath));
a9e2aefa 1193//
1194// apply correction to the coordinate along the anode wire
1195//
ba12c242 1196 x=c->GetX(cath);
1197 y=c->GetY(cath);
f0d86bc4 1198 fSeg[cath]->GetPadI(x, y, fZPlane, ix, iy);
1199 fSeg[cath]->GetPadC(ix, iy, x, y, z);
1200 Int_t isec=fSeg[cath]->Sector(ix,iy);
1201 TF1* cogCorr = fSeg[cath]->CorrFunc(isec-1);
a9e2aefa 1202
1203 if (cogCorr) {
ba12c242 1204 Float_t yOnPad=(c->GetY(cath)-y)/fSeg[cath]->Dpy(isec);
1205 c->SetY(cath, c->GetY(cath)-cogCorr->Eval(yOnPad, 0, 0));
a9e2aefa 1206 }
1207 }
1208}
1209
1210void AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t cath)
1211{
1212//
1213// Completes cluster information starting from list of digits
1214//
1215 static Float_t dr0;
1216
1217 AliMUONDigit* dig;
1218
1219 if (cath==0) {
1220 dr0 = 10000;
1221 }
1222
802a864d 1223 Float_t xpad, ypad, zpad;
a9e2aefa 1224 Float_t dx, dy, dr;
1225
9e993f2a 1226 for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
a9e2aefa 1227 {
0164904a 1228 dig = fInput->Digit(cath,c->GetIndex(i,cath));
f0d86bc4 1229 fSeg[cath]->
08a636a8 1230 GetPadC(dig->PadX(),dig->PadY(),xpad,ypad, zpad);
c4a97bcd 1231 AliDebug(1,Form("x %f y %f cx %f cy %f\n",xpad,ypad,c->GetX(0),c->GetY(0)));
ba12c242 1232 dx = xpad - c->GetX(0);
1233 dy = ypad - c->GetY(0);
a9e2aefa 1234 dr = TMath::Sqrt(dx*dx+dy*dy);
1235
1236 if (dr < dr0) {
1237 dr0 = dr;
c4a97bcd 1238 AliDebug(1,Form(" dr %f\n",dr));
08a636a8 1239 Int_t q=dig->Signal();
1240 if (dig->Physics() >= dig->Signal()) {
0164904a 1241 c->SetPhysics(i,2);
08a636a8 1242 } else if (dig->Physics() == 0) {
0164904a 1243 c->SetPhysics(i,0);
1244 } else c->SetPhysics(i,1);
9e993f2a 1245 c->SetPeakSignal(cath,q);
1246 c->SetTrack(0,dig->Hit());
1247 c->SetTrack(1,dig->Track(0));
1248 c->SetTrack(2,dig->Track(1));
c4a97bcd 1249 AliDebug(1,Form(" c->fTracks[0] %d c->fTracks[1] %d\n",dig->Hit(),
1250 dig->Track(0)));
a9e2aefa 1251 }
1252//
1253 } // loop over digits
1254
1255// apply correction to the coordinate along the anode wire
07cfabcf 1256// Force on anod
ba12c242 1257 c->SetX(cath,fSeg[cath]->GetAnod(c->GetX(cath)));
a9e2aefa 1258}
1259
1260void AliMUONClusterFinderVS::FindCluster(Int_t i, Int_t j, Int_t cath, AliMUONRawCluster &c){
f0d86bc4 1261
1262
a9e2aefa 1263//
f0d86bc4 1264// Find a super cluster on both cathodes
a9e2aefa 1265//
1266//
1267// Add i,j as element of the cluster
1268//
f0d86bc4 1269
30aaba74 1270 Int_t idx = fHitMap[cath]->GetHitIndex(i,j);
1271 AliMUONDigit* dig = (AliMUONDigit*) fHitMap[cath]->GetHit(i,j);
08a636a8 1272 Int_t q=dig->Signal();
1273 Int_t theX=dig->PadX();
1274 Int_t theY=dig->PadY();
f0d86bc4 1275
9e993f2a 1276 if (q > TMath::Abs(c.GetPeakSignal(0)) && q > TMath::Abs(c.GetPeakSignal(1))) {
1277 c.SetPeakSignal(cath,q);
1278 c.SetTrack(0,dig->Hit());
1279 c.SetTrack(1,dig->Track(0));
1280 c.SetTrack(2,dig->Track(1));
a9e2aefa 1281 }
1282
1283//
1284// Make sure that list of digits is ordered
1285//
9e993f2a 1286 Int_t mu=c.GetMultiplicity(cath);
0164904a 1287 c.SetIndex(mu, cath, idx);
a9e2aefa 1288
08a636a8 1289 if (dig->Physics() >= dig->Signal()) {
0164904a 1290 c.SetPhysics(mu,2);
08a636a8 1291 } else if (dig->Physics() == 0) {
0164904a 1292 c.SetPhysics(mu,0);
1293 } else c.SetPhysics(mu,1);
f0d86bc4 1294
1295
a9e2aefa 1296 if (mu > 0) {
f0d86bc4 1297 for (Int_t ind = mu-1; ind >= 0; ind--) {
0164904a 1298 Int_t ist=c.GetIndex(ind,cath);
08a636a8 1299 Int_t ql=fInput->Digit(cath, ist)->Signal();
1300 Int_t ix=fInput->Digit(cath, ist)->PadX();
1301 Int_t iy=fInput->Digit(cath, ist)->PadY();
f0d86bc4 1302
a9e2aefa 1303 if (q>ql || (q==ql && theX > ix && theY < iy)) {
0164904a 1304 c.SetIndex(ind, cath, idx);
1305 c.SetIndex(ind+1, cath, ist);
a9e2aefa 1306 } else {
f0d86bc4 1307
a9e2aefa 1308 break;
1309 }
1310 }
1311 }
f0d86bc4 1312
9e993f2a 1313 c.SetMultiplicity(cath, c.GetMultiplicity(cath)+1);
1314 if (c.GetMultiplicity(cath) >= 50 ) {
c4a97bcd 1315 AliDebug(1,Form("FindCluster - multiplicity >50 %d \n",c.GetMultiplicity(0)));
9e993f2a 1316 c.SetMultiplicity(cath, 49);
a9e2aefa 1317 }
1318
1319// Prepare center of gravity calculation
802a864d 1320 Float_t x, y, z;
f0d86bc4 1321 fSeg[cath]->GetPadC(i, j, x, y, z);
1322
ba12c242 1323 c.AddX(cath,q*x);
1324 c.AddY(cath,q*y);
1325 c.AddCharge(cath,q);
f0d86bc4 1326//
1327// Flag hit as "taken"
30aaba74 1328 fHitMap[cath]->FlagHit(i,j);
a9e2aefa 1329//
1330// Now look recursively for all neighbours and pad hit on opposite cathode
1331//
1332// Loop over neighbours
1333 Int_t ix,iy;
f0d86bc4 1334 ix=iy=0;
a9e2aefa 1335 Int_t nn;
30aaba74 1336 Int_t xList[10], yList[10];
f0d86bc4 1337 fSeg[cath]->Neighbours(i,j,&nn,xList,yList);
a9e2aefa 1338 for (Int_t in=0; in<nn; in++) {
1339 ix=xList[in];
1340 iy=yList[in];
f0d86bc4 1341
1342 if (fHitMap[cath]->TestHit(ix,iy)==kUnused) {
c4a97bcd 1343 AliDebug(2,Form("\n Neighbours %d %d %d", cath, ix, iy));
f0d86bc4 1344 FindCluster(ix, iy, cath, c);
1345 }
1346
1347 }
1348 Int_t nOpp=0;
1349 Int_t iXopp[50], iYopp[50];
1350
a9e2aefa 1351// Neighbours on opposite cathode
1352// Take into account that several pads can overlap with the present pad
f0d86bc4 1353 Int_t isec=fSeg[cath]->Sector(i,j);
a9e2aefa 1354 Int_t iop;
f0d86bc4 1355 Float_t dx, dy;
1356
a9e2aefa 1357 if (cath==0) {
f0d86bc4 1358 iop = 1;
1359 dx = (fSeg[cath]->Dpx(isec))/2.;
1360 dy = 0.;
a9e2aefa 1361 } else {
f0d86bc4 1362 iop = 0;
1363 dx = 0.;
1364 dy = (fSeg[cath]->Dpy(isec))/2;
1365 }
1366// loop over pad neighbours on opposite cathode
1367 for (fSeg[iop]->FirstPad(x, y, fZPlane, dx, dy);
1368 fSeg[iop]->MorePads();
1369 fSeg[iop]->NextPad())
1370 {
1371
1372 ix = fSeg[iop]->Ix(); iy = fSeg[iop]->Iy();
c4a97bcd 1373 AliDebug(2,Form("\n ix, iy: %f %f %f %d %d %d", x,y,z,ix, iy, fSector));
f0d86bc4 1374 if (fHitMap[iop]->TestHit(ix,iy)==kUnused){
1375 iXopp[nOpp]=ix;
1376 iYopp[nOpp++]=iy;
c4a97bcd 1377 AliDebug(2,Form("\n Opposite %d %d %d", iop, ix, iy));
a9e2aefa 1378 }
f0d86bc4 1379
1380 } // Loop over pad neighbours
1381// This had to go outside the loop since recursive calls inside the iterator are not possible
1382//
1383 Int_t jopp;
1384 for (jopp=0; jopp<nOpp; jopp++) {
1385 if (fHitMap[iop]->TestHit(iXopp[jopp],iYopp[jopp]) == kUnused)
1386 FindCluster(iXopp[jopp], iYopp[jopp], iop, c);
a9e2aefa 1387 }
1388}
1389
1390//_____________________________________________________________________________
1391
1392void AliMUONClusterFinderVS::FindRawClusters()
1393{
1394 //
1395 // MUON cluster finder from digits -- finds neighbours on both cathodes and
1396 // fills the tree with raw clusters
1397 //
1398
4da78c65 1399 ResetRawClusters();
f0d86bc4 1400// Return if no input datad available
30aaba74 1401 if (!fInput->NDigits(0) && !fInput->NDigits(1)) return;
a9e2aefa 1402
f0d86bc4 1403 fSeg[0] = fInput->Segmentation(0);
1404 fSeg[1] = fInput->Segmentation(1);
1405
1406 fHitMap[0] = new AliMUONHitMapA1(fSeg[0], fInput->Digits(0));
1407 fHitMap[1] = new AliMUONHitMapA1(fSeg[1], fInput->Digits(1));
a9e2aefa 1408
f0d86bc4 1409
a9e2aefa 1410 AliMUONDigit *dig;
1411
1412 Int_t ndig, cath;
1413 Int_t nskip=0;
1414 Int_t ncls=0;
30aaba74 1415 fHitMap[0]->FillHits();
1416 fHitMap[1]->FillHits();
a9e2aefa 1417//
1418// Outer Loop over Cathodes
1419 for (cath=0; cath<2; cath++) {
30aaba74 1420 for (ndig=0; ndig<fInput->NDigits(cath); ndig++) {
1421 dig = fInput->Digit(cath, ndig);
08a636a8 1422 Int_t i=dig->PadX();
1423 Int_t j=dig->PadY();
30aaba74 1424 if (fHitMap[cath]->TestHit(i,j)==kUsed ||fHitMap[0]->TestHit(i,j)==kEmpty) {
a9e2aefa 1425 nskip++;
1426 continue;
1427 }
c4a97bcd 1428 AliDebug(1,Form("\n CATHODE %d CLUSTER %d\n",cath,ncls));
a9e2aefa 1429 AliMUONRawCluster c;
9e993f2a 1430 c.SetMultiplicity(0, 0);
1431 c.SetMultiplicity(1, 0);
1432 c.SetPeakSignal(cath,dig->Signal());
1433 c.SetTrack(0, dig->Hit());
1434 c.SetTrack(1, dig->Track(0));
1435 c.SetTrack(2, dig->Track(1));
a9e2aefa 1436 // tag the beginning of cluster list in a raw cluster
3b5272e3 1437 c.SetNcluster(0,-1);
f0d86bc4 1438 Float_t xcu, ycu;
1439 fSeg[cath]->GetPadC(i,j,xcu, ycu, fZPlane);
1440 fSector= fSeg[cath]->Sector(i,j)/100;
c4a97bcd 1441 AliDebug(1,Form("\n New Seed %d %d ", i,j));
f36a6c8b 1442
1443
a9e2aefa 1444 FindCluster(i,j,cath,c);
f0d86bc4 1445// ^^^^^^^^^^^^^^^^^^^^^^^^
a9e2aefa 1446 // center of gravity
ba12c242 1447 if (c.GetX(0)!=0.) c.SetX(0, c.GetX(0)/c.GetCharge(0)); // c.fX[0] /= c.fQ[0];
07cfabcf 1448// Force on anod
ba12c242 1449 c.SetX(0,fSeg[0]->GetAnod(c.GetX(0)));
1450 if (c.GetY(0)!=0.) c.SetY(0, c.GetY(0)/c.GetCharge(0)); // c.fY[0] /= c.fQ[0];
f36a6c8b 1451
ba12c242 1452 if(c.GetCharge(1)!=0.) c.SetX(1, c.GetX(1)/c.GetCharge(1)); // c.fX[1] /= c.fQ[1];
f36a6c8b 1453
1454 // Force on anod
ba12c242 1455 c.SetX(1, fSeg[0]->GetAnod(c.GetX(1)));
1456 if(c.GetCharge(1)!=0.) c.SetY(1, c.GetY(1)/c.GetCharge(1));// c.fY[1] /= c.fQ[1];
3e1872ed 1457
ba12c242 1458 c.SetZ(0, fZPlane);
1459 c.SetZ(1, fZPlane);
3e1872ed 1460
c4a97bcd 1461 AliDebug(1,Form("\n Cathode 1 multiplicite %d X(CG) %f Y(CG) %f\n",
1462 c.GetMultiplicity(0),c.GetX(0),c.GetY(0)));
1463 AliDebug(1,Form(" Cathode 2 multiplicite %d X(CG) %f Y(CG) %f\n",
1464 c.GetMultiplicity(1),c.GetX(1),c.GetY(1)));
a9e2aefa 1465// Analyse cluster and decluster if necessary
1466//
1467 ncls++;
3b5272e3 1468 c.SetNcluster(1,fNRawClusters);
9e993f2a 1469 c.SetClusterType(c.PhysicsContribution());
a9e2aefa 1470
1471 fNPeaks=0;
1472//
1473//
1474 Decluster(&c);
a9e2aefa 1475//
1476// reset Cluster object
f8ffca81 1477 { // begin local scope
0164904a 1478 for (int k=0;k<c.GetMultiplicity(0);k++) c.SetIndex(k, 0, 0);
f8ffca81 1479 } // end local scope
a9e2aefa 1480
f8ffca81 1481 { // begin local scope
0164904a 1482 for (int k=0;k<c.GetMultiplicity(1);k++) c.SetIndex(k, 1, 0);
f8ffca81 1483 } // end local scope
1484
9e993f2a 1485 c.SetMultiplicity(0,0);
1486 c.SetMultiplicity(1,0);
a9e2aefa 1487
1488
1489 } // end loop ndig
1490 } // end loop cathodes
30aaba74 1491 delete fHitMap[0];
1492 delete fHitMap[1];
a9e2aefa 1493}
1494
1495Float_t AliMUONClusterFinderVS::SingleMathiesonFit(AliMUONRawCluster *c, Int_t cath)
1496{
f0d86bc4 1497// Performs a single Mathieson fit on one cathode
1498//
19dd5b2f 1499 Double_t arglist[20];
1500 Int_t ierflag=0;
9825400f 1501 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1502
9825400f 1503 clusterInput.Fitter()->SetFCN(fcnS1);
1504 clusterInput.Fitter()->mninit(2,10,7);
19dd5b2f 1505 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1506 arglist[0]=-1;
1507 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1508// Set starting values
1509 static Double_t vstart[2];
ba12c242 1510 vstart[0]=c->GetX(1);
1511 vstart[1]=c->GetY(0);
a9e2aefa 1512
1513
1514// lower and upper limits
1515 static Double_t lower[2], upper[2];
1516 Int_t ix,iy;
ba12c242 1517 fSeg[cath]->GetPadI(c->GetX(cath), c->GetY(cath), fZPlane, ix, iy);
f0d86bc4 1518 Int_t isec=fSeg[cath]->Sector(ix, iy);
1519 lower[0]=vstart[0]-fSeg[cath]->Dpx(isec)/2;
1520 lower[1]=vstart[1]-fSeg[cath]->Dpy(isec)/2;
a9e2aefa 1521
f0d86bc4 1522 upper[0]=lower[0]+fSeg[cath]->Dpx(isec);
1523 upper[1]=lower[1]+fSeg[cath]->Dpy(isec);
a9e2aefa 1524
1525// step sizes
1526 static Double_t step[2]={0.0005, 0.0005};
1527
9825400f 1528 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1529 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
a9e2aefa 1530// ready for minimisation
a9e2aefa 1531 arglist[0]= -1;
1532 arglist[1]= 0;
1533
9825400f 1534 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1535 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1536 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1537 Double_t fmin, fedm, errdef;
1538 Int_t npari, nparx, istat;
1539
9825400f 1540 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1541 fFitStat=istat;
1542
1543// Print results
1544// Get fitted parameters
1545 Double_t xrec, yrec;
1546 TString chname;
1547 Double_t epxz, b1, b2;
1548 Int_t ierflg;
9825400f 1549 clusterInput.Fitter()->mnpout(0, chname, xrec, epxz, b1, b2, ierflg);
1550 clusterInput.Fitter()->mnpout(1, chname, yrec, epxz, b1, b2, ierflg);
a9e2aefa 1551 fXFit[cath]=xrec;
1552 fYFit[cath]=yrec;
1553 return fmin;
1554}
1555
e3cba86e 1556Float_t AliMUONClusterFinderVS::CombiSingleMathiesonFit(AliMUONRawCluster * /*c*/)
a9e2aefa 1557{
1558// Perform combined Mathieson fit on both cathode planes
1559//
19dd5b2f 1560 Double_t arglist[20];
1561 Int_t ierflag=0;
9825400f 1562 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1563 clusterInput.Fitter()->SetFCN(fcnCombiS1);
1564 clusterInput.Fitter()->mninit(2,10,7);
19dd5b2f 1565 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1566 arglist[0]=-1;
1567 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1568 static Double_t vstart[2];
1569 vstart[0]=fXInit[0];
1570 vstart[1]=fYInit[0];
1571
1572
1573// lower and upper limits
f0d86bc4 1574 static Float_t lower[2], upper[2];
a9e2aefa 1575 Int_t ix,iy,isec;
f0d86bc4 1576 fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1577 isec=fSeg[0]->Sector(ix, iy);
1578 Float_t dpy=fSeg[0]->Dpy(isec);
1579 fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1580 isec=fSeg[1]->Sector(ix, iy);
1581 Float_t dpx=fSeg[1]->Dpx(isec);
a9e2aefa 1582
f0d86bc4 1583 Int_t icount;
1584 Float_t xdum, ydum, zdum;
a9e2aefa 1585
f0d86bc4 1586// Find save upper and lower limits
a9e2aefa 1587
f0d86bc4 1588 icount = 0;
a9e2aefa 1589
f0d86bc4 1590 for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.);
1591 fSeg[1]->MorePads(); fSeg[1]->NextPad())
1592 {
1593 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
1594 fSeg[1]->GetPadC(ix,iy, upper[0], ydum, zdum);
1595 if (icount ==0) lower[0]=upper[0];
1596 icount++;
1597 }
1598
1599 if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
1600
1601 icount=0;
c4a97bcd 1602 AliDebug(1,Form("\n single y %f %f", fXInit[0], fYInit[0]));
f0d86bc4 1603
1604 for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy);
1605 fSeg[0]->MorePads(); fSeg[0]->NextPad())
1606 {
1607 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
1608 fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);
1609 if (icount ==0) lower[1]=upper[1];
1610 icount++;
c4a97bcd 1611 AliDebug(1,Form("\n upper lower %d %f %f", icount, upper[1], lower[1]));
f0d86bc4 1612 }
1613
1614 if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
1615
a9e2aefa 1616// step sizes
1617 static Double_t step[2]={0.00001, 0.0001};
1618
9825400f 1619 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1620 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
a9e2aefa 1621// ready for minimisation
a9e2aefa 1622 arglist[0]= -1;
1623 arglist[1]= 0;
1624
9825400f 1625 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1626 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1627 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1628 Double_t fmin, fedm, errdef;
1629 Int_t npari, nparx, istat;
1630
9825400f 1631 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1632 fFitStat=istat;
1633
1634// Print results
1635// Get fitted parameters
1636 Double_t xrec, yrec;
1637 TString chname;
1638 Double_t epxz, b1, b2;
1639 Int_t ierflg;
9825400f 1640 clusterInput.Fitter()->mnpout(0, chname, xrec, epxz, b1, b2, ierflg);
1641 clusterInput.Fitter()->mnpout(1, chname, yrec, epxz, b1, b2, ierflg);
a9e2aefa 1642 fXFit[0]=xrec;
1643 fYFit[0]=yrec;
1644 return fmin;
1645}
1646
e3cba86e 1647Bool_t AliMUONClusterFinderVS::DoubleMathiesonFit(AliMUONRawCluster * /*c*/, Int_t cath)
a9e2aefa 1648{
f0d86bc4 1649// Performs a double Mathieson fit on one cathode
1650//
1651
a9e2aefa 1652//
1653// Initialise global variables for fit
19dd5b2f 1654 Double_t arglist[20];
1655 Int_t ierflag=0;
9825400f 1656 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1657 clusterInput.Fitter()->SetFCN(fcnS2);
1658 clusterInput.Fitter()->mninit(5,10,7);
19dd5b2f 1659 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1660 arglist[0]=-1;
1661 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1662// Set starting values
1663 static Double_t vstart[5];
1664 vstart[0]=fX[fIndLocal[0][cath]][cath];
1665 vstart[1]=fY[fIndLocal[0][cath]][cath];
1666 vstart[2]=fX[fIndLocal[1][cath]][cath];
1667 vstart[3]=fY[fIndLocal[1][cath]][cath];
1668 vstart[4]=Float_t(fQ[fIndLocal[0][cath]][cath])/
1669 Float_t(fQ[fIndLocal[0][cath]][cath]+fQ[fIndLocal[1][cath]][cath]);
1670// lower and upper limits
f0d86bc4 1671 static Float_t lower[5], upper[5];
1672 Int_t isec=fSeg[cath]->Sector(fIx[fIndLocal[0][cath]][cath], fIy[fIndLocal[0][cath]][cath]);
1673 lower[0]=vstart[0]-fSeg[cath]->Dpx(isec);
1674 lower[1]=vstart[1]-fSeg[cath]->Dpy(isec);
a9e2aefa 1675
f0d86bc4 1676 upper[0]=lower[0]+2.*fSeg[cath]->Dpx(isec);
1677 upper[1]=lower[1]+2.*fSeg[cath]->Dpy(isec);
a9e2aefa 1678
f0d86bc4 1679 isec=fSeg[cath]->Sector(fIx[fIndLocal[1][cath]][cath], fIy[fIndLocal[1][cath]][cath]);
1680 lower[2]=vstart[2]-fSeg[cath]->Dpx(isec)/2;
1681 lower[3]=vstart[3]-fSeg[cath]->Dpy(isec)/2;
a9e2aefa 1682
f0d86bc4 1683 upper[2]=lower[2]+fSeg[cath]->Dpx(isec);
1684 upper[3]=lower[3]+fSeg[cath]->Dpy(isec);
a9e2aefa 1685
1686 lower[4]=0.;
1687 upper[4]=1.;
1688// step sizes
1689 static Double_t step[5]={0.0005, 0.0005, 0.0005, 0.0005, 0.0001};
1690
9825400f 1691 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1692 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
1693 clusterInput.Fitter()->mnparm(2,"x2",vstart[2],step[2],lower[2],upper[2],ierflag);
1694 clusterInput.Fitter()->mnparm(3,"y2",vstart[3],step[3],lower[3],upper[3],ierflag);
1695 clusterInput.Fitter()->mnparm(4,"a0",vstart[4],step[4],lower[4],upper[4],ierflag);
a9e2aefa 1696// ready for minimisation
a9e2aefa 1697 arglist[0]= -1;
1698 arglist[1]= 0;
1699
9825400f 1700 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1701 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1702 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1703// Get fitted parameters
1704 Double_t xrec[2], yrec[2], qfrac;
1705 TString chname;
1706 Double_t epxz, b1, b2;
1707 Int_t ierflg;
9825400f 1708 clusterInput.Fitter()->mnpout(0, chname, xrec[0], epxz, b1, b2, ierflg);
1709 clusterInput.Fitter()->mnpout(1, chname, yrec[0], epxz, b1, b2, ierflg);
1710 clusterInput.Fitter()->mnpout(2, chname, xrec[1], epxz, b1, b2, ierflg);
1711 clusterInput.Fitter()->mnpout(3, chname, yrec[1], epxz, b1, b2, ierflg);
1712 clusterInput.Fitter()->mnpout(4, chname, qfrac, epxz, b1, b2, ierflg);
a9e2aefa 1713
1714 Double_t fmin, fedm, errdef;
1715 Int_t npari, nparx, istat;
1716
9825400f 1717 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1718 fFitStat=istat;
a9e2aefa 1719 return kTRUE;
1720}
1721
e3cba86e 1722Float_t AliMUONClusterFinderVS::CombiDoubleMathiesonFit(AliMUONRawCluster * /*c*/)
a9e2aefa 1723{
1724//
1725// Perform combined double Mathieson fit on both cathode planes
1726//
19dd5b2f 1727 Double_t arglist[20];
1728 Int_t ierflag=0;
9825400f 1729 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1730 clusterInput.Fitter()->SetFCN(fcnCombiS2);
1731 clusterInput.Fitter()->mninit(6,10,7);
19dd5b2f 1732 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1733 arglist[0]=-1;
1734 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1735// Set starting values
1736 static Double_t vstart[6];
1737 vstart[0]=fXInit[0];
1738 vstart[1]=fYInit[0];
1739 vstart[2]=fXInit[1];
1740 vstart[3]=fYInit[1];
1741 vstart[4]=fQrInit[0];
1742 vstart[5]=fQrInit[1];
1743// lower and upper limits
f0d86bc4 1744 static Float_t lower[6], upper[6];
a9e2aefa 1745 Int_t ix,iy,isec;
1746 Float_t dpx, dpy;
1747
f0d86bc4 1748 fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1749 isec=fSeg[1]->Sector(ix, iy);
1750 dpx=fSeg[1]->Dpx(isec);
a9e2aefa 1751
f0d86bc4 1752 fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1753 isec=fSeg[0]->Sector(ix, iy);
1754 dpy=fSeg[0]->Dpy(isec);
a9e2aefa 1755
a9e2aefa 1756
f0d86bc4 1757 Int_t icount;
1758 Float_t xdum, ydum, zdum;
c4a97bcd 1759 AliDebug(1,Form("\n Cluster Finder: %f %f %f %f ", fXInit[0], fXInit[1],fYInit[0], fYInit[1] ));
f0d86bc4 1760
1761// Find save upper and lower limits
1762 icount = 0;
1763
1764 for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.);
1765 fSeg[1]->MorePads(); fSeg[1]->NextPad())
1766 {
1767 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
05c39730 1768// if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
f0d86bc4 1769 fSeg[1]->GetPadC(ix,iy,upper[0],ydum,zdum);
1770 if (icount ==0) lower[0]=upper[0];
1771 icount++;
1772 }
1773 if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
05c39730 1774// vstart[0] = 0.5*(lower[0]+upper[0]);
1775
1776
f0d86bc4 1777 icount=0;
1778
1779 for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy);
1780 fSeg[0]->MorePads(); fSeg[0]->NextPad())
1781 {
1782 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
05c39730 1783// if (fHitMap[0]->TestHit(ix, iy) == kEmpty) continue;
f0d86bc4 1784 fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);
1785 if (icount ==0) lower[1]=upper[1];
1786 icount++;
1787 }
05c39730 1788
f0d86bc4 1789 if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
05c39730 1790// vstart[1] = 0.5*(lower[1]+upper[1]);
1791
a9e2aefa 1792
f0d86bc4 1793 fSeg[1]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
1794 isec=fSeg[1]->Sector(ix, iy);
1795 dpx=fSeg[1]->Dpx(isec);
1796 fSeg[0]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
1797 isec=fSeg[0]->Sector(ix, iy);
1798 dpy=fSeg[0]->Dpy(isec);
a9e2aefa 1799
a9e2aefa 1800
f0d86bc4 1801// Find save upper and lower limits
1802
1803 icount=0;
1804
1805 for (fSeg[1]->FirstPad(fXInit[1], fYInit[1], fZPlane, dpx, 0);
1806 fSeg[1]->MorePads(); fSeg[1]->NextPad())
1807 {
1808 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
05c39730 1809// if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
f0d86bc4 1810 fSeg[1]->GetPadC(ix,iy,upper[2],ydum,zdum);
1811 if (icount ==0) lower[2]=upper[2];
1812 icount++;
1813 }
1814 if (lower[2]>upper[2]) {xdum=lower[2]; lower[2]=upper[2]; upper[2]=xdum;}
05c39730 1815 // vstart[2] = 0.5*(lower[2]+upper[2]);
f0d86bc4 1816
1817 icount=0;
1818
1819 for (fSeg[0]->FirstPad(fXInit[1], fYInit[1], fZPlane, 0, dpy);
1820 fSeg[0]-> MorePads(); fSeg[0]->NextPad())
1821 {
1822 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
05c39730 1823// if (fHitMap[0]->TestHit(ix, iy) != kEmpty) continue;
1824
f0d86bc4 1825 fSeg[0]->GetPadC(ix,iy,xdum,upper[3],zdum);
1826 if (icount ==0) lower[3]=upper[3];
1827 icount++;
05c39730 1828
f0d86bc4 1829 }
1830 if (lower[3]>upper[3]) {xdum=lower[3]; lower[3]=upper[3]; upper[3]=xdum;}
05c39730 1831
1832// vstart[3] = 0.5*(lower[3]+upper[3]);
1833
a9e2aefa 1834 lower[4]=0.;
1835 upper[4]=1.;
1836 lower[5]=0.;
1837 upper[5]=1.;
1838
1839// step sizes
1840 static Double_t step[6]={0.0005, 0.0005, 0.0005, 0.0005, 0.001, 0.001};
9825400f 1841 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1842 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
1843 clusterInput.Fitter()->mnparm(2,"x2",vstart[2],step[2],lower[2],upper[2],ierflag);
1844 clusterInput.Fitter()->mnparm(3,"y2",vstart[3],step[3],lower[3],upper[3],ierflag);
1845 clusterInput.Fitter()->mnparm(4,"a0",vstart[4],step[4],lower[4],upper[4],ierflag);
1846 clusterInput.Fitter()->mnparm(5,"a1",vstart[5],step[5],lower[5],upper[5],ierflag);
a9e2aefa 1847// ready for minimisation
a9e2aefa 1848 arglist[0]= -1;
1849 arglist[1]= 0;
1850
9825400f 1851 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1852 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1853 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1854// Get fitted parameters
1855 TString chname;
1856 Double_t epxz, b1, b2;
1857 Int_t ierflg;
9825400f 1858 clusterInput.Fitter()->mnpout(0, chname, fXFit[0], epxz, b1, b2, ierflg);
1859 clusterInput.Fitter()->mnpout(1, chname, fYFit[0], epxz, b1, b2, ierflg);
1860 clusterInput.Fitter()->mnpout(2, chname, fXFit[1], epxz, b1, b2, ierflg);
1861 clusterInput.Fitter()->mnpout(3, chname, fYFit[1], epxz, b1, b2, ierflg);
1862 clusterInput.Fitter()->mnpout(4, chname, fQrFit[0], epxz, b1, b2, ierflg);
1863 clusterInput.Fitter()->mnpout(5, chname, fQrFit[1], epxz, b1, b2, ierflg);
a9e2aefa 1864
1865 Double_t fmin, fedm, errdef;
1866 Int_t npari, nparx, istat;
1867
9825400f 1868 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1869 fFitStat=istat;
1870
1871 fChi2[0]=fmin;
1872 fChi2[1]=fmin;
1873 return fmin;
1874}
1875
1876void AliMUONClusterFinderVS::Split(AliMUONRawCluster* c)
1877{
1878//
1879// One cluster for each maximum
1880//
1881 Int_t i, j, cath;
9825400f 1882 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1883 for (j=0; j<2; j++) {
1884 AliMUONRawCluster cnew;
3b5272e3 1885 cnew.SetGhost(c->GetGhost());
a9e2aefa 1886 for (cath=0; cath<2; cath++) {
3b5272e3 1887 cnew.SetChi2(cath,fChi2[0]);
07cfabcf 1888 // ?? why not cnew.fChi2[cath]=fChi2[cath];
a9e2aefa 1889
1890 if (fNPeaks == 0) {
3b5272e3 1891 cnew.SetNcluster(0,-1);
1892 cnew.SetNcluster(1,fNRawClusters);
a9e2aefa 1893 } else {
3b5272e3 1894 cnew.SetNcluster(0,fNPeaks);
1895 cnew.SetNcluster(1,0);
a9e2aefa 1896 }
9e993f2a 1897 cnew.SetMultiplicity(cath,0);
ba12c242 1898 cnew.SetX(cath, Float_t(fXFit[j]));
1899 cnew.SetY(cath, Float_t(fYFit[j]));
1900 cnew.SetZ(cath, fZPlane);
a9e2aefa 1901 if (j==0) {
ba12c242 1902 cnew.SetCharge(cath, Int_t(clusterInput.TotalCharge(cath)*fQrFit[cath]));
a9e2aefa 1903 } else {
ba12c242 1904 cnew.SetCharge(cath, Int_t(clusterInput.TotalCharge(cath)*(1-fQrFit[cath])));
a9e2aefa 1905 }
f0d86bc4 1906 fSeg[cath]->SetHit(fXFit[j],fYFit[j],fZPlane);
a9e2aefa 1907 for (i=0; i<fMul[cath]; i++) {
0164904a 1908 cnew.SetIndex(cnew.GetMultiplicity(cath), cath, c->GetIndex(i,cath));
f0d86bc4 1909 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
7e4a628d 1910 Float_t q1 = fInput->Mathieson()->IntXY(fSeg[cath]);
0164904a 1911 cnew.SetContrib(i, cath, q1*Float_t(cnew.GetCharge(cath))/Float_t(fQ[i][cath]));
9e993f2a 1912 cnew.SetMultiplicity(cath, cnew.GetMultiplicity(cath)+1 );
a9e2aefa 1913 }
1914 FillCluster(&cnew,0,cath);
1915 } // cathode loop
1916
9e993f2a 1917 cnew.SetClusterType(cnew.PhysicsContribution());
ba12c242 1918 if (cnew.GetCharge(0)>0 && cnew.GetCharge(1)>0) AddRawCluster(cnew);
a9e2aefa 1919 fNPeaks++;
1920 }
1921}
1922
1923
a9e2aefa 1924//
1925// Minimisation functions
1926// Single Mathieson
e3cba86e 1927void fcnS1(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 1928{
9825400f 1929 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1930 Int_t i;
1931 Float_t delta;
1932 Float_t chisq=0;
1933 Float_t qcont=0;
1934 Float_t qtot=0;
9825400f 1935
1936 for (i=0; i<clusterInput.Nmul(0); i++) {
1937 Float_t q0=clusterInput.Charge(i,0);
1938 Float_t q1=clusterInput.DiscrChargeS1(i,par);
a9e2aefa 1939 delta=(q0-q1)/q0;
1940 chisq+=delta*delta;
1941 qcont+=q1;
1942 qtot+=q0;
1943 }
1944 f=chisq;
1945}
1946
e3cba86e 1947void fcnCombiS1(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 1948{
9825400f 1949 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1950 Int_t i, cath;
1951 Float_t delta;
1952 Float_t chisq=0;
1953 Float_t qcont=0;
1954 Float_t qtot=0;
a9e2aefa 1955
1956 for (cath=0; cath<2; cath++) {
9825400f 1957 for (i=0; i<clusterInput.Nmul(cath); i++) {
1958 Float_t q0=clusterInput.Charge(i,cath);
1959 Float_t q1=clusterInput.DiscrChargeCombiS1(i,par,cath);
a9e2aefa 1960 delta=(q0-q1)/q0;
1961 chisq+=delta*delta;
1962 qcont+=q1;
1963 qtot+=q0;
1964 }
a9e2aefa 1965 }
a9e2aefa 1966 f=chisq;
1967}
1968
1969// Double Mathieson
e3cba86e 1970void fcnS2(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 1971{
9825400f 1972 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1973 Int_t i;
1974 Float_t delta;
1975 Float_t chisq=0;
1976 Float_t qcont=0;
1977 Float_t qtot=0;
1978
9825400f 1979 for (i=0; i<clusterInput.Nmul(0); i++) {
a9e2aefa 1980
9825400f 1981 Float_t q0=clusterInput.Charge(i,0);
1982 Float_t q1=clusterInput.DiscrChargeS2(i,par);
a9e2aefa 1983 delta=(q0-q1)/q0;
1984 chisq+=delta*delta;
1985 qcont+=q1;
1986 qtot+=q0;
1987 }
a9e2aefa 1988 f=chisq;
1989}
1990
1991// Double Mathieson
e3cba86e 1992void fcnCombiS2(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 1993{
9825400f 1994 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1995 Int_t i, cath;
1996 Float_t delta;
1997 Float_t chisq=0;
1998 Float_t qcont=0;
1999 Float_t qtot=0;
a9e2aefa 2000 for (cath=0; cath<2; cath++) {
9825400f 2001 for (i=0; i<clusterInput.Nmul(cath); i++) {
2002 Float_t q0=clusterInput.Charge(i,cath);
2003 Float_t q1=clusterInput.DiscrChargeCombiS2(i,par,cath);
a9e2aefa 2004 delta=(q0-q1)/q0;
2005 chisq+=delta*delta;
2006 qcont+=q1;
2007 qtot+=q0;
2008 }
a9e2aefa 2009 }
a9e2aefa 2010 f=chisq;
2011}
2012
4da78c65 2013void AliMUONClusterFinderVS::AddRawCluster(const AliMUONRawCluster& c)
a9e2aefa 2014{
2015 //
2016 // Add a raw cluster copy to the list
2017 //
4da78c65 2018
2019// AliMUON *pMUON=(AliMUON*)gAlice->GetModule("MUON");
2020// pMUON->GetMUONData()->AddRawCluster(fInput->Chamber(),c);
2021// fNRawClusters++;
2022
2023
2024 TClonesArray &lrawcl = *fRawClusters;
2025 new(lrawcl[fNRawClusters++]) AliMUONRawCluster(c);
c4a97bcd 2026 AliDebug(1,Form("\nfNRawClusters %d\n",fNRawClusters));
a9e2aefa 2027}
2028
30178c30 2029Bool_t AliMUONClusterFinderVS::TestTrack(Int_t t) const {
6a9bc541 2030// Test if track was user selected
30aaba74 2031 if (fTrack[0]==-1 || fTrack[1]==-1) {
2032 return kTRUE;
2033 } else if (t==fTrack[0] || t==fTrack[1]) {
2034 return kTRUE;
2035 } else {
2036 return kFALSE;
2037 }
2038}
a9e2aefa 2039
2040AliMUONClusterFinderVS& AliMUONClusterFinderVS
30178c30 2041::operator = (const AliMUONClusterFinderVS& rhs)
a9e2aefa 2042{
30178c30 2043// Protected assignement operator
2044
2045 if (this == &rhs) return *this;
2046
8c343c7c 2047 AliFatal("Not implemented.");
30178c30 2048
2049 return *this;
a9e2aefa 2050}
2051
2052
2053
2054
2055
2056
2057
2058
2059