Cosmetics (Chrsitian)
[u/mrichter/AliRoot.git] / MUON / AliMUONClusterFinderVS.cxx
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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>
fed772f3 20#include <TMinuit.h>
21#include <Riostream.h>
30178c30 22
a9e2aefa 23#include "AliMUONClusterFinderVS.h"
24#include "AliMUONDigit.h"
25#include "AliMUONRawCluster.h"
a30a000f 26#include "AliSegmentation.h"
fed772f3 27#include "AliMUONGeometrySegmentation.h"
7e4a628d 28#include "AliMUONMathieson.h"
c1a185bf 29#include "AliMUONClusterInput.h"
a9e2aefa 30#include "AliMUONHitMapA1.h"
8c343c7c 31#include "AliLog.h"
a9e2aefa 32
33//_____________________________________________________________________
a9e2aefa 34// This function is minimized in the double-Mathieson fit
35void fcnS2(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
36void fcnS1(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
37void fcnCombiS1(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
38void fcnCombiS2(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag);
39
40ClassImp(AliMUONClusterFinderVS)
41
4da78c65 42AliMUONClusterFinderVS::AliMUONClusterFinderVS()
30178c30 43 : TObject()
a9e2aefa 44{
45// Default constructor
30aaba74 46 fInput=AliMUONClusterInput::Instance();
fed772f3 47// cout << " TYPE" << fSegmentationType << endl;
30aaba74 48 fHitMap[0] = 0;
49 fHitMap[1] = 0;
a9e2aefa 50 fTrack[0]=fTrack[1]=-1;
07cfabcf 51 fDebugLevel = 0; // make silent default
52 fGhostChi2Cut = 1e6; // nothing done by default
3f5cf0b3 53 fSeg[0] = 0;
54 fSeg[1] = 0;
fed772f3 55 fSeg2[0] = 0;
56 fSeg2[1] = 0;
57
3f5cf0b3 58 for(Int_t i=0; i<100; i++) {
59 for (Int_t j=0; j<2; j++) {
60 fDig[i][j] = 0;
61 }
4da78c65 62 }
63 fRawClusters = new TClonesArray("AliMUONRawCluster",1000);
64 fNRawClusters = 0;
4da78c65 65}
66 //____________________________________________________________________________
67AliMUONClusterFinderVS::~AliMUONClusterFinderVS()
68{
69 // Reset tracks information
70 fNRawClusters = 0;
86b48c39 71 if (fRawClusters) {
72 fRawClusters->Delete();
73 delete fRawClusters;
74 }
a9e2aefa 75}
76
e3cba86e 77AliMUONClusterFinderVS::AliMUONClusterFinderVS(const AliMUONClusterFinderVS & clusterFinder):TObject(clusterFinder)
a9e2aefa 78{
30178c30 79// Protected copy constructor
80
8c343c7c 81 AliFatal("Not implemented.");
a9e2aefa 82}
4da78c65 83//____________________________________________________________________________
84void AliMUONClusterFinderVS::ResetRawClusters()
85{
86 // Reset tracks information
87 fNRawClusters = 0;
88 if (fRawClusters) fRawClusters->Clear();
89}
90//____________________________________________________________________________
a9e2aefa 91void AliMUONClusterFinderVS::Decluster(AliMUONRawCluster *cluster)
92{
93// Decluster by local maxima
94 SplitByLocalMaxima(cluster);
95}
4da78c65 96//____________________________________________________________________________
a9e2aefa 97void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
98{
99// Split complex cluster by local maxima
a9e2aefa 100 Int_t cath, i;
9825400f 101
30aaba74 102 fInput->SetCluster(c);
9825400f 103
9e993f2a 104 fMul[0]=c->GetMultiplicity(0);
105 fMul[1]=c->GetMultiplicity(1);
a9e2aefa 106
107//
108// dump digit information into arrays
109//
9825400f 110
f0d86bc4 111 Float_t qtot;
a9e2aefa 112
113 for (cath=0; cath<2; cath++) {
faef62a9 114 qtot=0;
115
116 for (i=0; i<fMul[cath]; i++) {
117 // pointer to digit
118 fDig[i][cath]=fInput->Digit(cath, c->GetIndex(i, cath));
119 // pad coordinates
120 fIx[i][cath]= fDig[i][cath]->PadX();
121 fIy[i][cath]= fDig[i][cath]->PadY();
122 // pad charge
123 fQ[i][cath] = fDig[i][cath]->Signal();
124 // pad centre coordinates
125 if (fSegmentationType == 1)
126 fSeg[cath]->
127 GetPadC(fIx[i][cath], fIy[i][cath], fX[i][cath], fY[i][cath], fZ[i][cath]);
128 else
129 fSeg2[cath]->
130 GetPadC(fInput->DetElemId(), fIx[i][cath], fIy[i][cath], fX[i][cath], fY[i][cath], fZ[i][cath]);
131 } // loop over cluster digits
132
a9e2aefa 133 } // loop over cathodes
134
135
136 FindLocalMaxima(c);
137
138//
139// Initialise and perform mathieson fits
140 Float_t chi2, oldchi2;
141// ++++++++++++++++++*************+++++++++++++++++++++
142// (1) No more than one local maximum per cathode plane
143// +++++++++++++++++++++++++++++++*************++++++++
144 if ((fNLocal[0]==1 && (fNLocal[1]==0 || fNLocal[1]==1)) ||
145 (fNLocal[0]==0 && fNLocal[1]==1)) {
a9e2aefa 146// Perform combined single Mathieson fit
147// Initial values for coordinates (x,y)
148
149 // One local maximum on cathodes 1 and 2 (X->cathode 2, Y->cathode 1)
150 if (fNLocal[0]==1 && fNLocal[1]==1) {
ba12c242 151 fXInit[0]=c->GetX(1);
152 fYInit[0]=c->GetY(0);
a9e2aefa 153 // One local maximum on cathode 1 (X,Y->cathode 1)
154 } else if (fNLocal[0]==1) {
ba12c242 155 fXInit[0]=c->GetX(0);
156 fYInit[0]=c->GetY(0);
a9e2aefa 157 // One local maximum on cathode 2 (X,Y->cathode 2)
158 } else {
ba12c242 159 fXInit[0]=c->GetX(1);
160 fYInit[0]=c->GetY(1);
a9e2aefa 161 }
8c343c7c 162 AliDebug(1,"cas (1) CombiSingleMathiesonFit(c)");
a9e2aefa 163 chi2=CombiSingleMathiesonFit(c);
164// Int_t ndf = fgNbins[0]+fgNbins[1]-2;
165// Float_t prob = TMath::Prob(Double_t(chi2),ndf);
166// prob1->Fill(prob);
167// chi2_1->Fill(chi2);
168 oldchi2=chi2;
8c343c7c 169 AliDebug(1,Form(" chi2 %f ",chi2));
a9e2aefa 170
ba12c242 171 c->SetX(0, fXFit[0]);
172 c->SetY(0, fYFit[0]);
a9e2aefa 173
ba12c242 174 c->SetX(1,fXFit[0]);
175 c->SetY(1,fYFit[0]);
3b5272e3 176 c->SetChi2(0,chi2);
177 c->SetChi2(1,chi2);
07cfabcf 178 // Force on anod
fed772f3 179 if (fSegmentationType == 1) {
180 c->SetX(0, fSeg[0]->GetAnod(c->GetX(0)));
181 c->SetX(1, fSeg[1]->GetAnod(c->GetX(1)));
182 } else {
183 c->SetX(0, fSeg2[0]->GetAnod(fInput->DetElemId(), c->GetX(0)));
184 c->SetX(1, fSeg2[1]->GetAnod(fInput->DetElemId(), c->GetX(1)));
185 }
a9e2aefa 186
187// If reasonable chi^2 add result to the list of rawclusters
a9e2aefa 188 if (chi2 < 0.3) {
189 AddRawCluster(*c);
190// If not try combined double Mathieson Fit
191 } else {
c4a97bcd 192 AliDebug(1," MAUVAIS CHI2 !!!\n");
a9e2aefa 193 if (fNLocal[0]==1 && fNLocal[1]==1) {
194 fXInit[0]=fX[fIndLocal[0][1]][1];
195 fYInit[0]=fY[fIndLocal[0][0]][0];
196 fXInit[1]=fX[fIndLocal[0][1]][1];
197 fYInit[1]=fY[fIndLocal[0][0]][0];
198 } else if (fNLocal[0]==1) {
199 fXInit[0]=fX[fIndLocal[0][0]][0];
200 fYInit[0]=fY[fIndLocal[0][0]][0];
201 fXInit[1]=fX[fIndLocal[0][0]][0];
202 fYInit[1]=fY[fIndLocal[0][0]][0];
203 } else {
204 fXInit[0]=fX[fIndLocal[0][1]][1];
205 fYInit[0]=fY[fIndLocal[0][1]][1];
206 fXInit[1]=fX[fIndLocal[0][1]][1];
207 fYInit[1]=fY[fIndLocal[0][1]][1];
208 }
209
210// Initial value for charge ratios
211 fQrInit[0]=0.5;
212 fQrInit[1]=0.5;
c4a97bcd 213 AliDebug(1,"\n cas (1) CombiDoubleMathiesonFit(c)\n");
a9e2aefa 214 chi2=CombiDoubleMathiesonFit(c);
215// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
216// Float_t prob = TMath::Prob(chi2,ndf);
217// prob2->Fill(prob);
218// chi2_2->Fill(chi2);
219
220// Was this any better ??
8c343c7c 221 AliDebug(1,Form(" Old and new chi2 %f %f ", oldchi2, chi2));
a9e2aefa 222 if (fFitStat!=0 && chi2>0 && (2.*chi2 < oldchi2)) {
8c343c7c 223 AliDebug(1,"Split");
a9e2aefa 224 // Split cluster into two according to fit result
225 Split(c);
226 } else {
8c343c7c 227 AliDebug(1,"Do not Split");
a9e2aefa 228 // Don't split
229 AddRawCluster(*c);
230 }
231 }
232
233// +++++++++++++++++++++++++++++++++++++++
234// (2) Two local maxima per cathode plane
235// +++++++++++++++++++++++++++++++++++++++
236 } else if (fNLocal[0]==2 && fNLocal[1]==2) {
237//
238// Let's look for ghosts first
05c39730 239
a9e2aefa 240 Float_t xm[4][2], ym[4][2];
241 Float_t dpx, dpy, dx, dy;
242 Int_t ixm[4][2], iym[4][2];
243 Int_t isec, im1, im2, ico;
244//
245// Form the 2x2 combinations
246// 0-0, 0-1, 1-0, 1-1
247 ico=0;
248 for (im1=0; im1<2; im1++) {
249 for (im2=0; im2<2; im2++) {
250 xm[ico][0]=fX[fIndLocal[im1][0]][0];
251 ym[ico][0]=fY[fIndLocal[im1][0]][0];
252 xm[ico][1]=fX[fIndLocal[im2][1]][1];
253 ym[ico][1]=fY[fIndLocal[im2][1]][1];
254
255 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
256 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
257 ixm[ico][1]=fIx[fIndLocal[im2][1]][1];
258 iym[ico][1]=fIy[fIndLocal[im2][1]][1];
259 ico++;
260 }
261 }
262// ico = 0 : first local maximum on cathodes 1 and 2
263// ico = 1 : fisrt local maximum on cathode 1 and second on cathode 2
264// ico = 2 : second local maximum on cathode 1 and first on cathode 1
265// ico = 3 : second local maximum on cathodes 1 and 2
266
267// Analyse the combinations and keep those that are possible !
268// For each combination check consistency in x and y
05c39730 269 Int_t iacc;
270 Bool_t accepted[4];
271 Float_t dr[4] = {1.e4, 1.e4, 1.e4, 1.e4};
a9e2aefa 272 iacc=0;
05c39730 273
274// In case of staggering maxima are displaced by exactly half the pad-size in y.
275// We have to take into account the numerical precision in the consistency check;
276 Float_t eps = 1.e-5;
277//
a9e2aefa 278 for (ico=0; ico<4; ico++) {
279 accepted[ico]=kFALSE;
280// cathode one: x-coordinate
fed772f3 281 if (fSegmentationType == 1) {
282 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
283 dpx=fSeg[0]->Dpx(isec)/2.;
284 } else {
285 isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
286 dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
287 }
a9e2aefa 288 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
289// cathode two: y-coordinate
fed772f3 290 if (fSegmentationType == 1) {
291 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
292 dpy=fSeg[1]->Dpy(isec)/2.;
293 } else {
294 isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
295 dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
296 }
a9e2aefa 297 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 298 AliDebug(2,Form("\n %i %f %f %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy, dx, dpx ));
05c39730 299 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 300 // consistent
301 accepted[ico]=kTRUE;
05c39730 302 dr[ico] = TMath::Sqrt(dx*dx+dy*dy);
a9e2aefa 303 iacc++;
304 } else {
305 // reject
306 accepted[ico]=kFALSE;
307 }
308 }
c4a97bcd 309 AliDebug(1,Form("\n iacc= %d:\n", iacc));
05c39730 310 if (iacc == 3) {
311 if (accepted[0] && accepted[1]) {
312 if (dr[0] >= dr[1]) {
313 accepted[0]=kFALSE;
314 } else {
315 accepted[1]=kFALSE;
316 }
317 }
a9e2aefa 318
05c39730 319 if (accepted[2] && accepted[3]) {
320 if (dr[2] >= dr[3]) {
321 accepted[2]=kFALSE;
322 } else {
323 accepted[3]=kFALSE;
324 }
325 }
326/*
327// eliminate one candidate
328 Float_t drmax = 0;
329 Int_t icobad = -1;
330
331 for (ico=0; ico<4; ico++) {
332 if (accepted[ico] && dr[ico] > drmax) {
333 icobad = ico;
334 drmax = dr[ico];
335 }
336 }
337
338 accepted[icobad] = kFALSE;
339*/
340 iacc = 2;
341 }
342
343
c4a97bcd 344 AliDebug(1,Form("\n iacc= %d:\n", iacc));
345 if (iacc==2) {
346 AliDebug(1,"\n iacc=2: No problem ! \n");
347 } else if (iacc==4) {
348 AliDebug(1,"\n iacc=4: Ok, but ghost problem !!! \n");
349 } else if (iacc==0) {
350 AliDebug(1,"\n iacc=0: I don't know what to do with this !!!!!!!!! \n");
a9e2aefa 351 }
352
353// Initial value for charge ratios
354 fQrInit[0]=Float_t(fQ[fIndLocal[0][0]][0])/
355 Float_t(fQ[fIndLocal[0][0]][0]+fQ[fIndLocal[1][0]][0]);
356 fQrInit[1]=Float_t(fQ[fIndLocal[0][1]][1])/
357 Float_t(fQ[fIndLocal[0][1]][1]+fQ[fIndLocal[1][1]][1]);
358
359// ******* iacc = 0 *******
360// No combinations found between the 2 cathodes
361// We keep the center of gravity of the cluster
362 if (iacc==0) {
363 AddRawCluster(*c);
364 }
365
366// ******* iacc = 1 *******
367// Only one combination found between the 2 cathodes
368 if (iacc==1) {
a9e2aefa 369// Initial values for the 2 maxima (x,y)
370
371// 1 maximum is initialised with the maximum of the combination found (X->cathode 2, Y->cathode 1)
372// 1 maximum is initialised with the other maximum of the first cathode
373 if (accepted[0]){
8c343c7c 374 AliDebug(1,"ico=0");
a9e2aefa 375 fXInit[0]=xm[0][1];
376 fYInit[0]=ym[0][0];
377 fXInit[1]=xm[3][0];
378 fYInit[1]=ym[3][0];
379 } else if (accepted[1]){
8c343c7c 380 AliDebug(1,"ico=1");
a9e2aefa 381 fXInit[0]=xm[1][1];
382 fYInit[0]=ym[1][0];
383 fXInit[1]=xm[2][0];
384 fYInit[1]=ym[2][0];
385 } else if (accepted[2]){
8c343c7c 386 AliDebug(1,"ico=2");
a9e2aefa 387 fXInit[0]=xm[2][1];
388 fYInit[0]=ym[2][0];
389 fXInit[1]=xm[1][0];
390 fYInit[1]=ym[1][0];
391 } else if (accepted[3]){
8c343c7c 392 AliDebug(1,"ico=3");
a9e2aefa 393 fXInit[0]=xm[3][1];
394 fYInit[0]=ym[3][0];
395 fXInit[1]=xm[0][0];
396 fYInit[1]=ym[0][0];
397 }
8c343c7c 398 AliDebug(1,"cas (2) CombiDoubleMathiesonFit(c)");
a9e2aefa 399 chi2=CombiDoubleMathiesonFit(c);
400// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
401// Float_t prob = TMath::Prob(chi2,ndf);
402// prob2->Fill(prob);
403// chi2_2->Fill(chi2);
8c343c7c 404 AliDebug(1,Form(" chi2 %f\n",chi2));
a9e2aefa 405
406// If reasonable chi^2 add result to the list of rawclusters
407 if (chi2<10) {
408 Split(c);
409
410 } else {
411// 1 maximum is initialised with the maximum of the combination found (X->cathode 2, Y->cathode 1)
412// 1 maximum is initialised with the other maximum of the second cathode
413 if (accepted[0]){
8c343c7c 414 AliDebug(1,"ico=0");
a9e2aefa 415 fXInit[0]=xm[0][1];
416 fYInit[0]=ym[0][0];
417 fXInit[1]=xm[3][1];
418 fYInit[1]=ym[3][1];
419 } else if (accepted[1]){
8c343c7c 420 AliDebug(1,"ico=1");
a9e2aefa 421 fXInit[0]=xm[1][1];
422 fYInit[0]=ym[1][0];
423 fXInit[1]=xm[2][1];
424 fYInit[1]=ym[2][1];
425 } else if (accepted[2]){
8c343c7c 426 AliDebug(1,"ico=2");
a9e2aefa 427 fXInit[0]=xm[2][1];
428 fYInit[0]=ym[2][0];
429 fXInit[1]=xm[1][1];
430 fYInit[1]=ym[1][1];
431 } else if (accepted[3]){
8c343c7c 432 AliDebug(1,"ico=3");
a9e2aefa 433 fXInit[0]=xm[3][1];
434 fYInit[0]=ym[3][0];
435 fXInit[1]=xm[0][1];
436 fYInit[1]=ym[0][1];
437 }
8c343c7c 438 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
a9e2aefa 439 chi2=CombiDoubleMathiesonFit(c);
440// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
441// Float_t prob = TMath::Prob(chi2,ndf);
442// prob2->Fill(prob);
443// chi2_2->Fill(chi2);
c4a97bcd 444 AliDebug(1,Form(" chi2 %f\n",chi2));
a9e2aefa 445
446// If reasonable chi^2 add result to the list of rawclusters
447 if (chi2<10) {
448 Split(c);
449 } else {
450//We keep only the combination found (X->cathode 2, Y->cathode 1)
451 for (Int_t ico=0; ico<2; ico++) {
452 if (accepted[ico]) {
453 AliMUONRawCluster cnew;
454 Int_t cath;
455 for (cath=0; cath<2; cath++) {
ba12c242 456 cnew.SetX(cath, Float_t(xm[ico][1]));
457 cnew.SetY(cath, Float_t(ym[ico][0]));
458 cnew.SetZ(cath, fZPlane);
aadda617 459
9e993f2a 460 cnew.SetMultiplicity(cath,c->GetMultiplicity(cath));
a9e2aefa 461 for (i=0; i<fMul[cath]; i++) {
fed772f3 462 cnew.SetIndex(i, cath, c->GetIndex(i,cath));
463 if (fSegmentationType == 1)
f0d86bc4 464 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
fed772f3 465 else
466 fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
a9e2aefa 467 }
c4a97bcd 468 AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
469 AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
9825400f 470 FillCluster(&cnew,cath);
a9e2aefa 471 }
9e993f2a 472 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 473 AddRawCluster(cnew);
474 fNPeaks++;
475 }
476 }
477 }
478 }
479 }
9825400f 480
a9e2aefa 481// ******* iacc = 2 *******
482// Two combinations found between the 2 cathodes
483 if (iacc==2) {
a9e2aefa 484// Was the same maximum taken twice
9825400f 485 if ((accepted[0]&&accepted[1]) || (accepted[2]&&accepted[3])) {
c4a97bcd 486 AliDebug(1,"\n Maximum taken twice !!!\n");
a9e2aefa 487
05c39730 488// Have a try !! with that
9825400f 489 if (accepted[0]&&accepted[3]) {
490 fXInit[0]=xm[0][1];
491 fYInit[0]=ym[0][0];
492 fXInit[1]=xm[1][1];
493 fYInit[1]=ym[1][0];
494 } else {
495 fXInit[0]=xm[2][1];
496 fYInit[0]=ym[2][0];
497 fXInit[1]=xm[3][1];
498 fYInit[1]=ym[3][0];
499 }
c4a97bcd 500 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 501 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 502// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
503// Float_t prob = TMath::Prob(chi2,ndf);
504// prob2->Fill(prob);
505// chi2_2->Fill(chi2);
9825400f 506 Split(c);
507
508 } else {
a9e2aefa 509// No ghosts ! No Problems ! - Perform one fit only !
9825400f 510 if (accepted[0]&&accepted[3]) {
511 fXInit[0]=xm[0][1];
512 fYInit[0]=ym[0][0];
513 fXInit[1]=xm[3][1];
514 fYInit[1]=ym[3][0];
515 } else {
516 fXInit[0]=xm[1][1];
517 fYInit[0]=ym[1][0];
518 fXInit[1]=xm[2][1];
519 fYInit[1]=ym[2][0];
520 }
c4a97bcd 521 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 522 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 523// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
524// Float_t prob = TMath::Prob(chi2,ndf);
525// prob2->Fill(prob);
526// chi2_2->Fill(chi2);
c4a97bcd 527 AliDebug(1,Form(" chi2 %f\n",chi2));
9825400f 528 Split(c);
529 }
530
a9e2aefa 531// ******* iacc = 4 *******
532// Four combinations found between the 2 cathodes
533// Ghost !!
9825400f 534 } else if (iacc==4) {
a9e2aefa 535// Perform fits for the two possibilities !!
07cfabcf 536// Accept if charges are compatible on both cathodes
537// If none are compatible, keep everything
9825400f 538 fXInit[0]=xm[0][1];
539 fYInit[0]=ym[0][0];
540 fXInit[1]=xm[3][1];
541 fYInit[1]=ym[3][0];
c4a97bcd 542 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 543 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 544// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
545// Float_t prob = TMath::Prob(chi2,ndf);
546// prob2->Fill(prob);
547// chi2_2->Fill(chi2);
c4a97bcd 548 AliDebug(1,Form(" chi2 %f\n",chi2));
07cfabcf 549 // store results of fit and postpone decision
550 Double_t sXFit[2],sYFit[2],sQrFit[2];
551 Float_t sChi2[2];
552 for (Int_t i=0;i<2;i++) {
553 sXFit[i]=fXFit[i];
554 sYFit[i]=fYFit[i];
555 sQrFit[i]=fQrFit[i];
556 sChi2[i]=fChi2[i];
557 }
9825400f 558 fXInit[0]=xm[1][1];
559 fYInit[0]=ym[1][0];
560 fXInit[1]=xm[2][1];
561 fYInit[1]=ym[2][0];
c4a97bcd 562 AliDebug(1,"\n cas (2) CombiDoubleMathiesonFit(c)\n");
9825400f 563 chi2=CombiDoubleMathiesonFit(c);
a9e2aefa 564// ndf = fgNbins[0]+fgNbins[1]-6;
565// prob = TMath::Prob(chi2,ndf);
566// prob2->Fill(prob);
567// chi2_2->Fill(chi2);
c4a97bcd 568 AliDebug(1,Form(" chi2 %f\n",chi2));
07cfabcf 569 // We have all informations to perform the decision
570 // Compute the chi2 for the 2 possibilities
571 Float_t chi2fi,chi2si,chi2f,chi2s;
572
573 chi2f = (TMath::Log(fInput->TotalCharge(0)*fQrFit[0]
574 / (fInput->TotalCharge(1)*fQrFit[1]) )
7e4a628d 575 / fInput->ChargeCorrel() );
07cfabcf 576 chi2f *=chi2f;
577 chi2fi = (TMath::Log(fInput->TotalCharge(0)*(1-fQrFit[0])
578 / (fInput->TotalCharge(1)*(1-fQrFit[1])) )
7e4a628d 579 / fInput->ChargeCorrel() );
07cfabcf 580 chi2f += chi2fi*chi2fi;
581
582 chi2s = (TMath::Log(fInput->TotalCharge(0)*sQrFit[0]
583 / (fInput->TotalCharge(1)*sQrFit[1]) )
7e4a628d 584 / fInput->ChargeCorrel() );
07cfabcf 585 chi2s *=chi2s;
586 chi2si = (TMath::Log(fInput->TotalCharge(0)*(1-sQrFit[0])
587 / (fInput->TotalCharge(1)*(1-sQrFit[1])) )
7e4a628d 588 / fInput->ChargeCorrel() );
07cfabcf 589 chi2s += chi2si*chi2si;
590
591 // usefull to store the charge matching chi2 in the cluster
592 // fChi2[0]=sChi2[1]=chi2f;
593 // fChi2[1]=sChi2[0]=chi2s;
594
595 if (chi2f<=fGhostChi2Cut && chi2s<=fGhostChi2Cut)
3b5272e3 596 c->SetGhost(1);
07cfabcf 597 if (chi2f>fGhostChi2Cut && chi2s>fGhostChi2Cut) {
598 // we keep the ghost
3b5272e3 599 c->SetGhost(2);
07cfabcf 600 chi2s=-1;
601 chi2f=-1;
602 }
603 if (chi2f<=fGhostChi2Cut)
604 Split(c);
605 if (chi2s<=fGhostChi2Cut) {
606 // retreive saved values
607 for (Int_t i=0;i<2;i++) {
608 fXFit[i]=sXFit[i];
609 fYFit[i]=sYFit[i];
610 fQrFit[i]=sQrFit[i];
611 fChi2[i]=sChi2[i];
612 }
613 Split(c);
614 }
3b5272e3 615 c->SetGhost(0);
9825400f 616 }
a9e2aefa 617
9825400f 618 } else if (fNLocal[0]==2 && fNLocal[1]==1) {
a9e2aefa 619// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
620// (3) Two local maxima on cathode 1 and one maximum on cathode 2
621// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
622//
623 Float_t xm[4][2], ym[4][2];
624 Float_t dpx, dpy, dx, dy;
625 Int_t ixm[4][2], iym[4][2];
626 Int_t isec, im1, ico;
627//
628// Form the 2x2 combinations
629// 0-0, 0-1, 1-0, 1-1
630 ico=0;
631 for (im1=0; im1<2; im1++) {
9825400f 632 xm[ico][0]=fX[fIndLocal[im1][0]][0];
633 ym[ico][0]=fY[fIndLocal[im1][0]][0];
634 xm[ico][1]=fX[fIndLocal[0][1]][1];
635 ym[ico][1]=fY[fIndLocal[0][1]][1];
636
637 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
638 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
639 ixm[ico][1]=fIx[fIndLocal[0][1]][1];
640 iym[ico][1]=fIy[fIndLocal[0][1]][1];
641 ico++;
a9e2aefa 642 }
643// ico = 0 : first local maximum on cathodes 1 and 2
644// ico = 1 : second local maximum on cathode 1 and first on cathode 2
645
646// Analyse the combinations and keep those that are possible !
647// For each combination check consistency in x and y
648 Int_t iacc;
649 Bool_t accepted[4];
650 iacc=0;
05c39730 651 // In case of staggering maxima are displaced by exactly half the pad-size in y.
375c469b 652 // We have to take into account the numerical precision in the consistency check;
653
05c39730 654 Float_t eps = 1.e-5;
655
a9e2aefa 656 for (ico=0; ico<2; ico++) {
657 accepted[ico]=kFALSE;
fed772f3 658 if (fSegmentationType == 1) {
659 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
660 dpx=fSeg[0]->Dpx(isec)/2.;
661 } else {
662 isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
663 dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
664 }
a9e2aefa 665 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
fed772f3 666 if (fSegmentationType == 1) {
667 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
668 dpy=fSeg[1]->Dpy(isec)/2.;
669 } else {
670 isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
671 dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
672 }
a9e2aefa 673 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 674 AliDebug(2,Form("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy ));
05c39730 675 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 676 // consistent
677 accepted[ico]=kTRUE;
678 iacc++;
679 } else {
680 // reject
681 accepted[ico]=kFALSE;
682 }
683 }
9825400f 684
a9e2aefa 685 Float_t chi21 = 100;
686 Float_t chi22 = 100;
05c39730 687 Float_t chi23 = 100;
688
689 // Initial value for charge ratios
690 fQrInit[0]=Float_t(fQ[fIndLocal[0][0]][0])/
691 Float_t(fQ[fIndLocal[0][0]][0]+fQ[fIndLocal[1][0]][0]);
692 fQrInit[1]=fQrInit[0];
9825400f 693
05c39730 694 if (accepted[0] && accepted[1]) {
695
696 fXInit[0]=0.5*(xm[0][1]+xm[0][0]);
697 fYInit[0]=ym[0][0];
698 fXInit[1]=0.5*(xm[0][1]+xm[1][0]);
699 fYInit[1]=ym[1][0];
700 fQrInit[0]=0.5;
701 fQrInit[1]=0.5;
702 chi23=CombiDoubleMathiesonFit(c);
703 if (chi23<10) {
704 Split(c);
705 Float_t yst;
706 yst = fYFit[0];
707 fYFit[0] = fYFit[1];
708 fYFit[1] = yst;
709 Split(c);
710 }
711 } else if (accepted[0]) {
a9e2aefa 712 fXInit[0]=xm[0][1];
713 fYInit[0]=ym[0][0];
714 fXInit[1]=xm[1][0];
715 fYInit[1]=ym[1][0];
716 chi21=CombiDoubleMathiesonFit(c);
717// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
718// Float_t prob = TMath::Prob(chi2,ndf);
719// prob2->Fill(prob);
720// chi2_2->Fill(chi21);
c4a97bcd 721 AliDebug(1,Form(" chi2 %f\n",chi21));
a9e2aefa 722 if (chi21<10) Split(c);
723 } else if (accepted[1]) {
724 fXInit[0]=xm[1][1];
725 fYInit[0]=ym[1][0];
726 fXInit[1]=xm[0][0];
727 fYInit[1]=ym[0][0];
728 chi22=CombiDoubleMathiesonFit(c);
729// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
730// Float_t prob = TMath::Prob(chi2,ndf);
731// prob2->Fill(prob);
732// chi2_2->Fill(chi22);
c4a97bcd 733 AliDebug(1,Form(" chi2 %f\n",chi22));
a9e2aefa 734 if (chi22<10) Split(c);
735 }
736
375c469b 737 if (chi21 > 10 && chi22 > 10 && chi23 > 10) {
a9e2aefa 738// We keep only the combination found (X->cathode 2, Y->cathode 1)
739 for (Int_t ico=0; ico<2; ico++) {
740 if (accepted[ico]) {
741 AliMUONRawCluster cnew;
742 Int_t cath;
743 for (cath=0; cath<2; cath++) {
ba12c242 744 cnew.SetX(cath, Float_t(xm[ico][1]));
745 cnew.SetY(cath, Float_t(ym[ico][0]));
746 cnew.SetZ(cath, fZPlane);
9e993f2a 747 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 748 for (i=0; i<fMul[cath]; i++) {
0164904a 749 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
fed772f3 750 if (fSegmentationType == 1)
751 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
752 else
753 fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
754
a9e2aefa 755 }
c4a97bcd 756 AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
757 AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
758
a9e2aefa 759 FillCluster(&cnew,cath);
760 }
9e993f2a 761 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 762 AddRawCluster(cnew);
763 fNPeaks++;
764 }
765 }
766 }
9825400f 767
a9e2aefa 768// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
769// (3') One local maximum on cathode 1 and two maxima on cathode 2
770// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
771 } else if (fNLocal[0]==1 && fNLocal[1]==2) {
a9e2aefa 772 Float_t xm[4][2], ym[4][2];
773 Float_t dpx, dpy, dx, dy;
774 Int_t ixm[4][2], iym[4][2];
775 Int_t isec, im1, ico;
776//
777// Form the 2x2 combinations
778// 0-0, 0-1, 1-0, 1-1
779 ico=0;
780 for (im1=0; im1<2; im1++) {
9825400f 781 xm[ico][0]=fX[fIndLocal[0][0]][0];
782 ym[ico][0]=fY[fIndLocal[0][0]][0];
783 xm[ico][1]=fX[fIndLocal[im1][1]][1];
784 ym[ico][1]=fY[fIndLocal[im1][1]][1];
785
786 ixm[ico][0]=fIx[fIndLocal[0][0]][0];
787 iym[ico][0]=fIy[fIndLocal[0][0]][0];
788 ixm[ico][1]=fIx[fIndLocal[im1][1]][1];
789 iym[ico][1]=fIy[fIndLocal[im1][1]][1];
790 ico++;
a9e2aefa 791 }
792// ico = 0 : first local maximum on cathodes 1 and 2
793// ico = 1 : first local maximum on cathode 1 and second on cathode 2
794
795// Analyse the combinations and keep those that are possible !
796// For each combination check consistency in x and y
797 Int_t iacc;
798 Bool_t accepted[4];
799 iacc=0;
05c39730 800 // In case of staggering maxima are displaced by exactly half the pad-size in y.
801 // We have to take into account the numerical precision in the consistency check;
802 Float_t eps = 1.e-5;
803
a9e2aefa 804
805 for (ico=0; ico<2; ico++) {
806 accepted[ico]=kFALSE;
fed772f3 807 if (fSegmentationType == 1) {
808 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
809 dpx=fSeg[0]->Dpx(isec)/2.;
810 } else {
811 isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
812 dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
813 }
a9e2aefa 814 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
fed772f3 815 if (fSegmentationType == 1) {
816 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
817 dpy=fSeg[1]->Dpy(isec)/2.;
818 } else {
819 isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
820 dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
821 }
a9e2aefa 822 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 823 AliDebug(1,Form("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy ));
05c39730 824 if ((dx <= dpx) && (dy <= dpy+eps)) {
a9e2aefa 825 // consistent
826 accepted[ico]=kTRUE;
c4a97bcd 827 AliDebug(1,Form("ico %d\n",ico));
a9e2aefa 828 iacc++;
829 } else {
830 // reject
831 accepted[ico]=kFALSE;
832 }
833 }
834
835 Float_t chi21 = 100;
836 Float_t chi22 = 100;
05c39730 837 Float_t chi23 = 100;
838
839 fQrInit[1]=Float_t(fQ[fIndLocal[0][1]][1])/
840 Float_t(fQ[fIndLocal[0][1]][1]+fQ[fIndLocal[1][1]][1]);
841
842 fQrInit[0]=fQrInit[1];
a9e2aefa 843
05c39730 844
845 if (accepted[0] && accepted[1]) {
846 fXInit[0]=xm[0][1];
847 fYInit[0]=0.5*(ym[0][0]+ym[0][1]);
848 fXInit[1]=xm[1][1];
849 fYInit[1]=0.5*(ym[0][0]+ym[1][1]);
850 fQrInit[0]=0.5;
851 fQrInit[1]=0.5;
852 chi23=CombiDoubleMathiesonFit(c);
853 if (chi23<10) {
854 Split(c);
855 Float_t yst;
856 yst = fYFit[0];
857 fYFit[0] = fYFit[1];
858 fYFit[1] = yst;
859 Split(c);
860 }
861 } else if (accepted[0]) {
a9e2aefa 862 fXInit[0]=xm[0][0];
863 fYInit[0]=ym[0][1];
864 fXInit[1]=xm[1][1];
865 fYInit[1]=ym[1][1];
866 chi21=CombiDoubleMathiesonFit(c);
867// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
868// Float_t prob = TMath::Prob(chi2,ndf);
869// prob2->Fill(prob);
870// chi2_2->Fill(chi21);
c4a97bcd 871 AliDebug(1,Form(" chi2 %f\n",chi21));
a9e2aefa 872 if (chi21<10) Split(c);
873 } else if (accepted[1]) {
874 fXInit[0]=xm[1][0];
875 fYInit[0]=ym[1][1];
876 fXInit[1]=xm[0][1];
877 fYInit[1]=ym[0][1];
878 chi22=CombiDoubleMathiesonFit(c);
879// Int_t ndf = fgNbins[0]+fgNbins[1]-6;
880// Float_t prob = TMath::Prob(chi2,ndf);
881// prob2->Fill(prob);
882// chi2_2->Fill(chi22);
c4a97bcd 883 AliDebug(1,Form(" chi2 %f\n",chi22));
a9e2aefa 884 if (chi22<10) Split(c);
885 }
886
05c39730 887 if (chi21 > 10 && chi22 > 10 && chi23 > 10) {
a9e2aefa 888//We keep only the combination found (X->cathode 2, Y->cathode 1)
889 for (Int_t ico=0; ico<2; ico++) {
890 if (accepted[ico]) {
891 AliMUONRawCluster cnew;
892 Int_t cath;
893 for (cath=0; cath<2; cath++) {
ba12c242 894 cnew.SetX(cath, Float_t(xm[ico][1]));
895 cnew.SetY(cath, Float_t(ym[ico][0]));
896 cnew.SetZ(cath, fZPlane);
9e993f2a 897 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 898 for (i=0; i<fMul[cath]; i++) {
0164904a 899 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
fed772f3 900 if (fSegmentationType == 1)
901 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
902 else
903 fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
a9e2aefa 904 }
c4a97bcd 905 AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
906 AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
a9e2aefa 907 FillCluster(&cnew,cath);
908 }
9e993f2a 909 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 910 AddRawCluster(cnew);
911 fNPeaks++;
912 }
913 }
914 }
915
916// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
917// (4) At least three local maxima on cathode 1 or on cathode 2
918// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
919 } else if (fNLocal[0]>2 || fNLocal[1]>2) {
a9e2aefa 920 Int_t param = fNLocal[0]*fNLocal[1];
f8ffca81 921 Int_t ii;
9825400f 922
39e6d319 923 Float_t ** xm = new Float_t * [param];
924 for (ii=0; ii<param; ii++) xm[ii]=new Float_t [2];
925 Float_t ** ym = new Float_t * [param];
926 for (ii=0; ii<param; ii++) ym[ii]=new Float_t [2];
927 Int_t ** ixm = new Int_t * [param];
928 for (ii=0; ii<param; ii++) ixm[ii]=new Int_t [2];
929 Int_t ** iym = new Int_t * [param];
930 for (ii=0; ii<param; ii++) iym[ii]=new Int_t [2];
f8ffca81 931
a9e2aefa 932 Int_t isec, ico;
933 Float_t dpx, dpy, dx, dy;
934
935 ico=0;
936 for (Int_t im1=0; im1<fNLocal[0]; im1++) {
937 for (Int_t im2=0; im2<fNLocal[1]; im2++) {
938 xm[ico][0]=fX[fIndLocal[im1][0]][0];
939 ym[ico][0]=fY[fIndLocal[im1][0]][0];
940 xm[ico][1]=fX[fIndLocal[im2][1]][1];
941 ym[ico][1]=fY[fIndLocal[im2][1]][1];
942
943 ixm[ico][0]=fIx[fIndLocal[im1][0]][0];
944 iym[ico][0]=fIy[fIndLocal[im1][0]][0];
945 ixm[ico][1]=fIx[fIndLocal[im2][1]][1];
946 iym[ico][1]=fIy[fIndLocal[im2][1]][1];
947 ico++;
948 }
949 }
9825400f 950
a9e2aefa 951 Int_t nIco = ico;
c4a97bcd 952 AliDebug(1,Form("nIco %d\n",nIco));
a9e2aefa 953 for (ico=0; ico<nIco; ico++) {
c4a97bcd 954 AliDebug(1,Form("ico = %d\n",ico));
fed772f3 955 if (fSegmentationType == 1) {
956 isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
957 dpx=fSeg[0]->Dpx(isec)/2.;
958 } else {
959 isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
960 dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
961 }
a9e2aefa 962 dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
fed772f3 963 if (fSegmentationType == 1) {
964 isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
965 dpy=fSeg[1]->Dpy(isec)/2.;
966 } else {
967 isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
968 dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
969 }
a9e2aefa 970 dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
c4a97bcd 971 AliDebug(1,Form("dx %f dpx %f dy %f dpy %f\n",dx,dpx,dy,dpy));
972 AliDebug(1,Form(" X %f Y %f\n",xm[ico][1],ym[ico][0]));
a9e2aefa 973 if ((dx <= dpx) && (dy <= dpy)) {
c4a97bcd 974 AliDebug(1,"ok\n");
a9e2aefa 975 Int_t cath;
976 AliMUONRawCluster cnew;
977 for (cath=0; cath<2; cath++) {
ba12c242 978 cnew.SetX(cath, Float_t(xm[ico][1]));
979 cnew.SetY(cath, Float_t(ym[ico][0]));
980 cnew.SetZ(cath, fZPlane);
9e993f2a 981 cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
a9e2aefa 982 for (i=0; i<fMul[cath]; i++) {
0164904a 983 cnew.SetIndex(i, cath, c->GetIndex(i, cath));
fed772f3 984 if (fSegmentationType == 1)
985 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
986 else
987 fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
a9e2aefa 988 }
989 FillCluster(&cnew,cath);
990 }
9e993f2a 991 cnew.SetClusterType(cnew.PhysicsContribution());
a9e2aefa 992 AddRawCluster(cnew);
993 fNPeaks++;
994 }
995 }
f8ffca81 996 delete [] xm;
997 delete [] ym;
998 delete [] ixm;
999 delete [] iym;
a9e2aefa 1000 }
1001}
1002
e3cba86e 1003void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
a9e2aefa 1004{
1005// Find all local maxima of a cluster
c4a97bcd 1006 AliDebug(1,"\n Find Local maxima !");
f0d86bc4 1007
a9e2aefa 1008 AliMUONDigit* digt;
1009
1010 Int_t cath, cath1; // loops over cathodes
1011 Int_t i; // loops over digits
1012 Int_t j; // loops over cathodes
1013//
1014// Find local maxima
1015//
1016// counters for number of local maxima
1017 fNLocal[0]=fNLocal[1]=0;
1018// flags digits as local maximum
1019 Bool_t isLocal[100][2];
1020 for (i=0; i<100;i++) {
1021 isLocal[i][0]=isLocal[i][1]=kFALSE;
1022 }
1023// number of next neighbours and arrays to store them
1024 Int_t nn;
30aaba74 1025 Int_t x[10], y[10];
f7db2071 1026 // loop over cathodes
a9e2aefa 1027 for (cath=0; cath<2; cath++) {
f7db2071 1028 // loop over cluster digits
1029 for (i=0; i<fMul[cath]; i++) {
1030 // get neighbours for that digit and assume that it is local maximum
1031 Int_t isec;
1032 Float_t a0;
fed772f3 1033
f7db2071 1034 if (fSegmentationType == 1)
1035 fSeg[cath]->Neighbours(fIx[i][cath], fIy[i][cath], &nn, x, y);
1036 else
1037 fSeg2[cath]->Neighbours(fInput->DetElemId(), fIx[i][cath], fIy[i][cath], &nn, x, y);
1038
1039 isLocal[i][cath]=kTRUE;
1040
1041 if (fSegmentationType == 1) {
1042 isec = fSeg[cath]->Sector(fIx[i][cath], fIy[i][cath]);
1043 a0 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
1044 } else {
1045 isec = fSeg2[cath]->Sector(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
1046 a0 = fSeg2[cath]->Dpx(fInput->DetElemId(), isec)*fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
1047 }
1048 // loop over next neighbours, if at least one neighbour has higher charger assumption
1049 // digit is not local maximum
1050 for (j=0; j<nn; j++) {
1051 if (fHitMap[cath]->TestHit(x[j], y[j])==kEmpty) continue;
1052 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(x[j], y[j]);
1053 Float_t a1;
1054 if (fSegmentationType == 1) {
1055 isec=fSeg[cath]->Sector(x[j], y[j]);
1056 a1 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
1057 } else {
1058 isec=fSeg2[cath]->Sector(fInput->DetElemId(), x[j], y[j]);
1059 a1 = fSeg2[cath]->Dpx(fInput->DetElemId(),isec)*fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
1060 }
1061 if (digt->Signal()/a1 > fQ[i][cath]/a0) {
1062 isLocal[i][cath]=kFALSE;
1063 break;
1064 //
1065 // handle special case of neighbouring pads with equal signal
1066 } else if (digt->Signal() == fQ[i][cath]) {
1067 if (fNLocal[cath]>0) {
1068 for (Int_t k=0; k<fNLocal[cath]; k++) {
1069 if (x[j]==fIx[fIndLocal[k][cath]][cath]
1070 && y[j]==fIy[fIndLocal[k][cath]][cath])
1071 {
a9e2aefa 1072 isLocal[i][cath]=kFALSE;
f7db2071 1073 }
1074 } // loop over local maxima
1075 } // are there already local maxima
1076 } // same charge ?
1077 } // loop over next neighbours
1078 if (isLocal[i][cath]) {
1079 fIndLocal[fNLocal[cath]][cath]=i;
1080 fNLocal[cath]++;
1081 }
1082 } // loop over all digits
a9e2aefa 1083 } // loop over cathodes
07cfabcf 1084
c4a97bcd 1085 AliDebug(1,Form("\n Found %d %d %d %d local Maxima\n",
1086 fNLocal[0], fNLocal[1], fMul[0], fMul[1]));
1087 AliDebug(1,Form("\n Cathode 1 local Maxima %d Multiplicite %d\n",fNLocal[0], fMul[0]));
1088 AliDebug(1,Form(" Cathode 2 local Maxima %d Multiplicite %d\n",fNLocal[1], fMul[1]));
a9e2aefa 1089 Int_t ix, iy, isec;
1090 Float_t dpx, dpy;
1091
1092
1093 if (fNLocal[1]==2 && (fNLocal[0]==1 || fNLocal[0]==0)) {
1094 Int_t iback=fNLocal[0];
1095
1096// Two local maxima on cathode 2 and one maximum on cathode 1
1097// Look for local maxima considering up and down neighbours on the 1st cathode only
1098//
1099// Loop over cluster digits
1100 cath=0;
1101 cath1=1;
1102
1103 for (i=0; i<fMul[cath]; i++) {
fed772f3 1104 if (fSegmentationType == 1) {
f0d86bc4 1105 isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
1106 dpy=fSeg[cath]->Dpy(isec);
1107 dpx=fSeg[cath]->Dpx(isec);
fed772f3 1108 } else {
1109 isec=fSeg2[cath]->Sector(fInput->DetElemId(), fIx[i][cath],fIy[i][cath]);
1110 dpy=fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
1111 dpx=fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
1112 }
a9e2aefa 1113 if (isLocal[i][cath]) continue;
1114// Pad position should be consistent with position of local maxima on the opposite cathode
1115 if ((TMath::Abs(fX[i][cath]-fX[fIndLocal[0][cath1]][cath1]) > dpx/2.) &&
1116 (TMath::Abs(fX[i][cath]-fX[fIndLocal[1][cath1]][cath1]) > dpx/2.))
1117 continue;
1118
1119// get neighbours for that digit and assume that it is local maximum
1120 isLocal[i][cath]=kTRUE;
1121// compare signal to that on the two neighbours on the left and on the right
a9e2aefa 1122// iNN counts the number of neighbours with signal, it should be 1 or 2
1123 Int_t iNN=0;
fed772f3 1124 if (fSegmentationType == 1) {
1125
1126 for (fSeg[cath]->FirstPad(fX[i][cath], fY[i][cath], fZPlane, 0., dpy);
1127 fSeg[cath]->MorePads();
1128 fSeg[cath]->NextPad())
1129 {
1130 ix = fSeg[cath]->Ix();
1131 iy = fSeg[cath]->Iy();
1132 // skip the current pad
1133 if (iy == fIy[i][cath]) continue;
1134
1135 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
1136 iNN++;
1137 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
1138 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
1139 }
1140 } // Loop over pad neighbours in y
1141 } else {
f0d86bc4 1142
fed772f3 1143 for (fSeg2[cath]->FirstPad(fInput->DetElemId(), fX[i][cath], fY[i][cath], fZPlane, 0., dpy);
1144 fSeg2[cath]->MorePads(fInput->DetElemId());
1145 fSeg2[cath]->NextPad(fInput->DetElemId()))
1146 {
1147 ix = fSeg2[cath]->Ix();
1148 iy = fSeg2[cath]->Iy();
1149 // skip the current pad
1150 if (iy == fIy[i][cath]) continue;
f0d86bc4 1151
fed772f3 1152 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
f0d86bc4 1153 iNN++;
1154 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
08a636a8 1155 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
fed772f3 1156 }
1157 } // Loop over pad neighbours in y
1158 }
a9e2aefa 1159 if (isLocal[i][cath] && iNN>0) {
1160 fIndLocal[fNLocal[cath]][cath]=i;
1161 fNLocal[cath]++;
1162 }
1163 } // loop over all digits
1164// if one additional maximum has been found we are happy
1165// if more maxima have been found restore the previous situation
c4a97bcd 1166 AliDebug(1,Form("\n New search gives %d local maxima for cathode 1 \n",
1167 fNLocal[0]));
1168 AliDebug(1,Form(" %d local maxima for cathode 2 \n",
1169 fNLocal[1]));
a9e2aefa 1170 if (fNLocal[cath]>2) {
1171 fNLocal[cath]=iback;
1172 }
1173
1174 } // 1,2 local maxima
1175
1176 if (fNLocal[0]==2 && (fNLocal[1]==1 || fNLocal[1]==0)) {
1177 Int_t iback=fNLocal[1];
1178
1179// Two local maxima on cathode 1 and one maximum on cathode 2
1180// Look for local maxima considering left and right neighbours on the 2nd cathode only
1181 cath=1;
05c39730 1182 Int_t cath1 = 0;
1183 Float_t eps = 1.e-5;
1184
a9e2aefa 1185//
1186// Loop over cluster digits
1187 for (i=0; i<fMul[cath]; i++) {
fed772f3 1188 if (fSegmentationType == 1) {
f0d86bc4 1189 isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
1190 dpx=fSeg[cath]->Dpx(isec);
1191 dpy=fSeg[cath]->Dpy(isec);
fed772f3 1192 } else {
1193 isec=fSeg2[cath]->Sector(fInput->DetElemId(), fIx[i][cath],fIy[i][cath]);
1194 dpx=fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
1195 dpy=fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
1196 }
1197
a9e2aefa 1198 if (isLocal[i][cath]) continue;
1199// Pad position should be consistent with position of local maxima on the opposite cathode
05c39730 1200 if ((TMath::Abs(fY[i][cath]-fY[fIndLocal[0][cath1]][cath1]) > dpy/2.+eps) &&
1201 (TMath::Abs(fY[i][cath]-fY[fIndLocal[1][cath1]][cath1]) > dpy/2.+eps))
a9e2aefa 1202 continue;
05c39730 1203
a9e2aefa 1204//
1205// get neighbours for that digit and assume that it is local maximum
1206 isLocal[i][cath]=kTRUE;
1207// compare signal to that on the two neighbours on the left and on the right
f0d86bc4 1208
a9e2aefa 1209// iNN counts the number of neighbours with signal, it should be 1 or 2
1210 Int_t iNN=0;
fed772f3 1211 if (fSegmentationType == 1) {
1212 for (fSeg[cath]->FirstPad(fX[i][cath], fY[i][cath], fZPlane, dpx, 0.);
1213 fSeg[cath]->MorePads();
1214 fSeg[cath]->NextPad())
1215 {
1216
1217 ix = fSeg[cath]->Ix();
1218 iy = fSeg[cath]->Iy();
1219
1220 // skip the current pad
1221 if (ix == fIx[i][cath]) continue;
f0d86bc4 1222
fed772f3 1223 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
f0d86bc4 1224 iNN++;
1225 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
08a636a8 1226 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
fed772f3 1227 }
1228 } // Loop over pad neighbours in x
1229 } else {
1230 for (fSeg2[cath]->FirstPad(fInput->DetElemId(), fX[i][cath], fY[i][cath], fZPlane, dpx, 0.);
1231 fSeg2[cath]->MorePads(fInput->DetElemId());
1232 fSeg2[cath]->NextPad(fInput->DetElemId()))
1233 {
1234
1235 ix = fSeg2[cath]->Ix();
1236 iy = fSeg2[cath]->Iy();
1237
1238 // skip the current pad
1239 if (ix == fIx[i][cath]) continue;
1240
1241 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
1242 iNN++;
1243 digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
1244 if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
1245 }
1246 } // Loop over pad neighbours in x
1247 }
a9e2aefa 1248 if (isLocal[i][cath] && iNN>0) {
1249 fIndLocal[fNLocal[cath]][cath]=i;
1250 fNLocal[cath]++;
1251 }
1252 } // loop over all digits
1253// if one additional maximum has been found we are happy
1254// if more maxima have been found restore the previous situation
c4a97bcd 1255 AliDebug(1,Form("\n New search gives %d local maxima for cathode 1 \n",fNLocal[0]));
1256 AliDebug(1,Form("\n %d local maxima for cathode 2 \n",fNLocal[1]));
1257 AliDebug(1,Form("\n New search gives %d %d \n",fNLocal[0],fNLocal[1]));
a9e2aefa 1258 if (fNLocal[cath]>2) {
1259 fNLocal[cath]=iback;
1260 }
a9e2aefa 1261 } // 2,1 local maxima
1262}
1263
1264
1265void AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t flag, Int_t cath)
1266{
1267//
1268// Completes cluster information starting from list of digits
1269//
1270 AliMUONDigit* dig;
802a864d 1271 Float_t x, y, z;
a9e2aefa 1272 Int_t ix, iy;
1273
1274 if (cath==1) {
9e993f2a 1275 c->SetPeakSignal(cath,c->GetPeakSignal(0));
a9e2aefa 1276 } else {
9e993f2a 1277 c->SetPeakSignal(cath,0);
a9e2aefa 1278 }
1279
1280
1281 if (flag) {
ba12c242 1282 c->SetX(cath,0.);
1283 c->SetY(cath,0.);
1284 c->SetCharge(cath,0);
a9e2aefa 1285 }
1286
c4a97bcd 1287 AliDebug(1,Form("\n fPeakSignal %d\n",c->GetPeakSignal(cath)));
9e993f2a 1288 for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
a9e2aefa 1289 {
0164904a 1290 dig= fInput->Digit(cath,c->GetIndex(i,cath));
1291 ix=dig->PadX()+c->GetOffset(i,cath);
08a636a8 1292 iy=dig->PadY();
1293 Int_t q=dig->Signal();
0164904a 1294 if (!flag) q=Int_t(q*c->GetContrib(i,cath));
a9e2aefa 1295// fprintf(stderr,"q %d c->fPeakSignal[ %d ] %d\n",q,cath,c->fPeakSignal[cath]);
08a636a8 1296 if (dig->Physics() >= dig->Signal()) {
0164904a 1297 c->SetPhysics(i,2);
08a636a8 1298 } else if (dig->Physics() == 0) {
0164904a 1299 c->SetPhysics(i,0);
1300 } else c->SetPhysics(i,1);
a9e2aefa 1301//
1302//
c4a97bcd 1303 AliDebug(2,Form("q %d c->fPeakSignal[cath] %d\n",q,c->GetPeakSignal(cath)));
a9e2aefa 1304// peak signal and track list
9e993f2a 1305 if (q>c->GetPeakSignal(cath)) {
1306 c->SetPeakSignal(cath, q);
1307 c->SetTrack(0,dig->Hit());
1308 c->SetTrack(1,dig->Track(0));
1309 c->SetTrack(2,dig->Track(1));
a9e2aefa 1310// fprintf(stderr," c->fTracks[0] %d c->fTracks[1] %d\n",dig->fHit,dig->fTracks[0]);
1311 }
1312//
1313 if (flag) {
fed772f3 1314 if (fSegmentationType == 1)
f0d86bc4 1315 fSeg[cath]->GetPadC(ix, iy, x, y, z);
fed772f3 1316 else
1317 fSeg2[cath]->GetPadC(fInput->DetElemId(), ix, iy, x, y, z);
1318
ba12c242 1319 c->AddX(cath, q*x);
1320 c->AddY(cath, q*y);
1321 c->AddCharge(cath, q);
a9e2aefa 1322 }
1323 } // loop over digits
c4a97bcd 1324 AliDebug(1," fin du cluster c\n");
a9e2aefa 1325
1326
1327 if (flag) {
ba12c242 1328 c->SetX(cath, c->GetX(cath)/c->GetCharge(cath));
07cfabcf 1329// Force on anod
fed772f3 1330 if (fSegmentationType == 1)
1331 c->SetX(cath, fSeg[cath]->GetAnod(c->GetX(cath)));
1332 else
1333 c->SetX(cath, fSeg2[cath]->GetAnod(fInput->DetElemId(), c->GetX(cath)));
ba12c242 1334 c->SetY(cath, c->GetY(cath)/c->GetCharge(cath));
a9e2aefa 1335//
1336// apply correction to the coordinate along the anode wire
1337//
ba12c242 1338 x=c->GetX(cath);
1339 y=c->GetY(cath);
fed772f3 1340 TF1* cogCorr;
1341 Int_t isec;
1342 if (fSegmentationType == 1) {
1343 fSeg[cath]->GetPadI(x, y, fZPlane, ix, iy);
1344 fSeg[cath]->GetPadC(ix, iy, x, y, z);
1345 isec=fSeg[cath]->Sector(ix,iy);
1346 cogCorr = fSeg[cath]->CorrFunc(isec-1);
1347 } else {
1348 fSeg2[cath]->GetPadI(fInput->DetElemId(), x, y, fZPlane, ix, iy);
1349 fSeg2[cath]->GetPadC(fInput->DetElemId(), ix, iy, x, y, z);
1350 isec=fSeg2[cath]->Sector(fInput->DetElemId(), ix,iy);
1351 cogCorr = fSeg2[cath]->CorrFunc(fInput->DetElemId(), isec-1);
1352 }
a9e2aefa 1353
1354 if (cogCorr) {
fed772f3 1355 Float_t yOnPad;
1356 if (fSegmentationType == 1)
1357 yOnPad=(c->GetY(cath)-y)/fSeg[cath]->Dpy(isec);
1358 else
1359 yOnPad=(c->GetY(cath)-y)/fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
1360
1361 c->SetY(cath, c->GetY(cath)-cogCorr->Eval(yOnPad, 0, 0));
a9e2aefa 1362 }
1363 }
1364}
1365
1366void AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t cath)
1367{
1368//
1369// Completes cluster information starting from list of digits
1370//
1371 static Float_t dr0;
1372
1373 AliMUONDigit* dig;
1374
1375 if (cath==0) {
1376 dr0 = 10000;
1377 }
1378
802a864d 1379 Float_t xpad, ypad, zpad;
a9e2aefa 1380 Float_t dx, dy, dr;
1381
9e993f2a 1382 for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
a9e2aefa 1383 {
0164904a 1384 dig = fInput->Digit(cath,c->GetIndex(i,cath));
fed772f3 1385 if (fSegmentationType == 1)
1386 fSeg[cath]->
1387 GetPadC(dig->PadX(),dig->PadY(),xpad,ypad, zpad);
1388 else
1389 fSeg2[cath]->
1390 GetPadC(fInput->DetElemId(),dig->PadX(),dig->PadY(),xpad,ypad, zpad);
c4a97bcd 1391 AliDebug(1,Form("x %f y %f cx %f cy %f\n",xpad,ypad,c->GetX(0),c->GetY(0)));
ba12c242 1392 dx = xpad - c->GetX(0);
1393 dy = ypad - c->GetY(0);
a9e2aefa 1394 dr = TMath::Sqrt(dx*dx+dy*dy);
1395
1396 if (dr < dr0) {
1397 dr0 = dr;
c4a97bcd 1398 AliDebug(1,Form(" dr %f\n",dr));
08a636a8 1399 Int_t q=dig->Signal();
1400 if (dig->Physics() >= dig->Signal()) {
0164904a 1401 c->SetPhysics(i,2);
08a636a8 1402 } else if (dig->Physics() == 0) {
0164904a 1403 c->SetPhysics(i,0);
1404 } else c->SetPhysics(i,1);
9e993f2a 1405 c->SetPeakSignal(cath,q);
1406 c->SetTrack(0,dig->Hit());
1407 c->SetTrack(1,dig->Track(0));
1408 c->SetTrack(2,dig->Track(1));
c4a97bcd 1409 AliDebug(1,Form(" c->fTracks[0] %d c->fTracks[1] %d\n",dig->Hit(),
1410 dig->Track(0)));
a9e2aefa 1411 }
1412//
1413 } // loop over digits
1414
1415// apply correction to the coordinate along the anode wire
07cfabcf 1416// Force on anod
fed772f3 1417 if (fSegmentationType == 1)
1418 c->SetX(cath,fSeg[cath]->GetAnod(c->GetX(cath)));
1419 else
1420 c->SetX(cath,fSeg2[cath]->GetAnod(fInput->DetElemId(), c->GetX(cath)));
a9e2aefa 1421}
1422
1423void AliMUONClusterFinderVS::FindCluster(Int_t i, Int_t j, Int_t cath, AliMUONRawCluster &c){
f0d86bc4 1424
1425
a9e2aefa 1426//
f0d86bc4 1427// Find a super cluster on both cathodes
a9e2aefa 1428//
1429//
1430// Add i,j as element of the cluster
1431//
f0d86bc4 1432
30aaba74 1433 Int_t idx = fHitMap[cath]->GetHitIndex(i,j);
1434 AliMUONDigit* dig = (AliMUONDigit*) fHitMap[cath]->GetHit(i,j);
08a636a8 1435 Int_t q=dig->Signal();
1436 Int_t theX=dig->PadX();
1437 Int_t theY=dig->PadY();
f0d86bc4 1438
9e993f2a 1439 if (q > TMath::Abs(c.GetPeakSignal(0)) && q > TMath::Abs(c.GetPeakSignal(1))) {
1440 c.SetPeakSignal(cath,q);
1441 c.SetTrack(0,dig->Hit());
1442 c.SetTrack(1,dig->Track(0));
1443 c.SetTrack(2,dig->Track(1));
a9e2aefa 1444 }
1445
1446//
1447// Make sure that list of digits is ordered
1448//
9e993f2a 1449 Int_t mu=c.GetMultiplicity(cath);
0164904a 1450 c.SetIndex(mu, cath, idx);
a9e2aefa 1451
08a636a8 1452 if (dig->Physics() >= dig->Signal()) {
0164904a 1453 c.SetPhysics(mu,2);
08a636a8 1454 } else if (dig->Physics() == 0) {
0164904a 1455 c.SetPhysics(mu,0);
1456 } else c.SetPhysics(mu,1);
f0d86bc4 1457
1458
a9e2aefa 1459 if (mu > 0) {
f0d86bc4 1460 for (Int_t ind = mu-1; ind >= 0; ind--) {
0164904a 1461 Int_t ist=c.GetIndex(ind,cath);
08a636a8 1462 Int_t ql=fInput->Digit(cath, ist)->Signal();
1463 Int_t ix=fInput->Digit(cath, ist)->PadX();
1464 Int_t iy=fInput->Digit(cath, ist)->PadY();
f0d86bc4 1465
a9e2aefa 1466 if (q>ql || (q==ql && theX > ix && theY < iy)) {
0164904a 1467 c.SetIndex(ind, cath, idx);
1468 c.SetIndex(ind+1, cath, ist);
a9e2aefa 1469 } else {
f0d86bc4 1470
a9e2aefa 1471 break;
1472 }
1473 }
1474 }
f0d86bc4 1475
9e993f2a 1476 c.SetMultiplicity(cath, c.GetMultiplicity(cath)+1);
1477 if (c.GetMultiplicity(cath) >= 50 ) {
c4a97bcd 1478 AliDebug(1,Form("FindCluster - multiplicity >50 %d \n",c.GetMultiplicity(0)));
9e993f2a 1479 c.SetMultiplicity(cath, 49);
a9e2aefa 1480 }
1481
1482// Prepare center of gravity calculation
802a864d 1483 Float_t x, y, z;
fed772f3 1484 if (fSegmentationType == 1)
1485 fSeg[cath]->GetPadC(i, j, x, y, z);
1486 else
1487 fSeg2[cath]->GetPadC(fInput->DetElemId(), i, j, x, y, z);
ba12c242 1488 c.AddX(cath,q*x);
1489 c.AddY(cath,q*y);
1490 c.AddCharge(cath,q);
f0d86bc4 1491//
1492// Flag hit as "taken"
30aaba74 1493 fHitMap[cath]->FlagHit(i,j);
a9e2aefa 1494//
1495// Now look recursively for all neighbours and pad hit on opposite cathode
1496//
1497// Loop over neighbours
1498 Int_t ix,iy;
f0d86bc4 1499 ix=iy=0;
a9e2aefa 1500 Int_t nn;
30aaba74 1501 Int_t xList[10], yList[10];
fed772f3 1502 if (fSegmentationType == 1)
1503 fSeg[cath]->Neighbours(i,j,&nn,xList,yList);
1504 else
1505 fSeg2[cath]->Neighbours(fInput->DetElemId(), i,j,&nn,xList,yList);
a9e2aefa 1506 for (Int_t in=0; in<nn; in++) {
1507 ix=xList[in];
1508 iy=yList[in];
f0d86bc4 1509
1510 if (fHitMap[cath]->TestHit(ix,iy)==kUnused) {
c4a97bcd 1511 AliDebug(2,Form("\n Neighbours %d %d %d", cath, ix, iy));
f0d86bc4 1512 FindCluster(ix, iy, cath, c);
1513 }
1514
1515 }
1516 Int_t nOpp=0;
1517 Int_t iXopp[50], iYopp[50];
1518
a9e2aefa 1519// Neighbours on opposite cathode
1520// Take into account that several pads can overlap with the present pad
fed772f3 1521 Int_t isec;
1522 if (fSegmentationType == 1)
1523 isec=fSeg[cath]->Sector(i,j);
1524 else
1525 isec=fSeg2[cath]->Sector(fInput->DetElemId(), i,j);
1526
a9e2aefa 1527 Int_t iop;
f0d86bc4 1528 Float_t dx, dy;
1529
fed772f3 1530 if (fSegmentationType == 1) {
1531 if (cath==0) {
f0d86bc4 1532 iop = 1;
1533 dx = (fSeg[cath]->Dpx(isec))/2.;
1534 dy = 0.;
fed772f3 1535 } else {
f0d86bc4 1536 iop = 0;
1537 dx = 0.;
1538 dy = (fSeg[cath]->Dpy(isec))/2;
fed772f3 1539 }
1540
1541
1542
1543 // loop over pad neighbours on opposite cathode
1544 for (fSeg[iop]->FirstPad(x, y, fZPlane, dx, dy);
1545 fSeg[iop]->MorePads();
1546 fSeg[iop]->NextPad())
1547 {
f0d86bc4 1548
fed772f3 1549 ix = fSeg[iop]->Ix(); iy = fSeg[iop]->Iy();
1550 AliDebug(2,Form("\n ix, iy: %f %f %f %d %d %d", x,y,z,ix, iy, fSector));
1551 if (fHitMap[iop]->TestHit(ix,iy)==kUnused){
f0d86bc4 1552 iXopp[nOpp]=ix;
1553 iYopp[nOpp++]=iy;
c4a97bcd 1554 AliDebug(2,Form("\n Opposite %d %d %d", iop, ix, iy));
fed772f3 1555 }
f0d86bc4 1556
fed772f3 1557 } // Loop over pad neighbours
1558 // This had to go outside the loop since recursive calls inside the iterator are not possible
1559 //
1560 Int_t jopp;
1561 for (jopp=0; jopp<nOpp; jopp++) {
1562 if (fHitMap[iop]->TestHit(iXopp[jopp],iYopp[jopp]) == kUnused)
1563 FindCluster(iXopp[jopp], iYopp[jopp], iop, c);
1564 }
1565 } else {
1566
1567 if (cath==0) {
1568 iop = 1;
1569 dx = (fSeg2[cath]->Dpx(fInput->DetElemId(), isec))/2.;
1570 dy = 0.;
1571 } else {
1572 iop = 0;
1573 dx = 0.;
1574 dy = (fSeg2[cath]->Dpy(fInput->DetElemId(), isec))/2;
1575 }
1576
1577
1578
1579 // loop over pad neighbours on opposite cathode
1580 for (fSeg2[iop]->FirstPad(fInput->DetElemId(), x, y, fZPlane, dx, dy);
1581 fSeg2[iop]->MorePads(fInput->DetElemId());
1582 fSeg2[iop]->NextPad(fInput->DetElemId()))
1583 {
1584
1585 ix = fSeg2[iop]->Ix(); iy = fSeg2[iop]->Iy();
1586 AliDebug(2,Form("\n ix, iy: %f %f %f %d %d %d", x,y,z,ix, iy, fSector));
1587 if (fHitMap[iop]->TestHit(ix,iy)==kUnused){
1588 iXopp[nOpp]=ix;
1589 iYopp[nOpp++]=iy;
1590 AliDebug(2,Form("\n Opposite %d %d %d", iop, ix, iy));
1591 }
1592
1593 } // Loop over pad neighbours
1594 // This had to go outside the loop since recursive calls inside the iterator are not possible
1595 //
1596 Int_t jopp;
1597 for (jopp=0; jopp<nOpp; jopp++) {
f0d86bc4 1598 if (fHitMap[iop]->TestHit(iXopp[jopp],iYopp[jopp]) == kUnused)
fed772f3 1599 FindCluster(iXopp[jopp], iYopp[jopp], iop, c);
1600 }
a9e2aefa 1601 }
1602}
1603
1604//_____________________________________________________________________________
1605
1606void AliMUONClusterFinderVS::FindRawClusters()
1607{
1608 //
1609 // MUON cluster finder from digits -- finds neighbours on both cathodes and
1610 // fills the tree with raw clusters
1611 //
1612
4da78c65 1613 ResetRawClusters();
f0d86bc4 1614// Return if no input datad available
30aaba74 1615 if (!fInput->NDigits(0) && !fInput->NDigits(1)) return;
a9e2aefa 1616
f7db2071 1617 fSegmentationType = fInput->GetSegmentationType();
1618
fed772f3 1619 if (fSegmentationType == 1) {
1620 fSeg[0] = fInput->Segmentation(0);
1621 fSeg[1] = fInput->Segmentation(1);
f0d86bc4 1622
fed772f3 1623 fHitMap[0] = new AliMUONHitMapA1(fSeg[0], fInput->Digits(0));
1624 fHitMap[1] = new AliMUONHitMapA1(fSeg[1], fInput->Digits(1));
a9e2aefa 1625
fed772f3 1626 } else {
1627 fSeg2[0] = fInput->Segmentation2(0);
1628 fSeg2[1] = fInput->Segmentation2(1);
1629
1630 fHitMap[0] = new AliMUONHitMapA1(fInput->DetElemId(), fSeg2[0], fInput->Digits(0));
1631 fHitMap[1] = new AliMUONHitMapA1(fInput->DetElemId(), fSeg2[1], fInput->Digits(1));
1632 }
f0d86bc4 1633
a9e2aefa 1634 AliMUONDigit *dig;
1635
1636 Int_t ndig, cath;
1637 Int_t nskip=0;
1638 Int_t ncls=0;
30aaba74 1639 fHitMap[0]->FillHits();
1640 fHitMap[1]->FillHits();
a9e2aefa 1641//
1642// Outer Loop over Cathodes
1643 for (cath=0; cath<2; cath++) {
faef62a9 1644
30aaba74 1645 for (ndig=0; ndig<fInput->NDigits(cath); ndig++) {
1646 dig = fInput->Digit(cath, ndig);
faef62a9 1647 Int_t padx = dig->PadX();
1648 Int_t pady = dig->PadY();
1649 if (fHitMap[cath]->TestHit(padx,pady)==kUsed ||fHitMap[0]->TestHit(padx,pady)==kEmpty) {
a9e2aefa 1650 nskip++;
1651 continue;
1652 }
c4a97bcd 1653 AliDebug(1,Form("\n CATHODE %d CLUSTER %d\n",cath,ncls));
faef62a9 1654 AliMUONRawCluster clus;
1655 clus.SetMultiplicity(0, 0);
1656 clus.SetMultiplicity(1, 0);
1657 clus.SetPeakSignal(cath,dig->Signal());
1658 clus.SetTrack(0, dig->Hit());
1659 clus.SetTrack(1, dig->Track(0));
1660 clus.SetTrack(2, dig->Track(1));
1661
1662 AliDebug(1,Form("idDE %d Padx %d Pady %d", fInput->DetElemId(), padx, pady));
1663
a9e2aefa 1664 // tag the beginning of cluster list in a raw cluster
faef62a9 1665 clus.SetNcluster(0,-1);
f0d86bc4 1666 Float_t xcu, ycu;
fed772f3 1667 if (fSegmentationType == 1) {
faef62a9 1668 fSeg[cath]->GetPadC(padx,pady, xcu, ycu, fZPlane);
1669 fSector= fSeg[cath]->Sector(padx,pady)/100;
fed772f3 1670 } else {
faef62a9 1671 fSeg2[cath]->GetPadC(fInput->DetElemId(), padx, pady, xcu, ycu, fZPlane);
1672 fSector= fSeg2[cath]->Sector(fInput->DetElemId(), padx, pady)/100;
fed772f3 1673 }
faef62a9 1674
1675
f36a6c8b 1676
faef62a9 1677 FindCluster(padx,pady,cath,clus);
f0d86bc4 1678// ^^^^^^^^^^^^^^^^^^^^^^^^
a9e2aefa 1679 // center of gravity
faef62a9 1680 if (clus.GetX(0)!=0.) clus.SetX(0, clus.GetX(0)/clus.GetCharge(0)); // clus.fX[0] /= clus.fQ[0];
1681
1682 // Force on anod
fed772f3 1683 if (fSegmentationType == 1)
faef62a9 1684 clus.SetX(0,fSeg[0]->GetAnod(clus.GetX(0)));
fed772f3 1685 else
faef62a9 1686 clus.SetX(0,fSeg2[0]->GetAnod(fInput->DetElemId(), clus.GetX(0)));
1687 if (clus.GetY(0)!=0.) clus.SetY(0, clus.GetY(0)/clus.GetCharge(0)); // clus.fY[0] /= clus.fQ[0];
f36a6c8b 1688
faef62a9 1689 if(clus.GetCharge(1)!=0.) clus.SetX(1, clus.GetX(1)/clus.GetCharge(1)); // clus.fX[1] /= clus.fQ[1];
f36a6c8b 1690
1691 // Force on anod
fed772f3 1692 if (fSegmentationType == 1)
faef62a9 1693 clus.SetX(1, fSeg[0]->GetAnod(clus.GetX(1)));
fed772f3 1694 else
faef62a9 1695 clus.SetX(1, fSeg2[0]->GetAnod(fInput->DetElemId(),clus.GetX(1)));
1696 if(clus.GetCharge(1)!=0.) clus.SetY(1, clus.GetY(1)/clus.GetCharge(1));// clus.fY[1] /= clus.fQ[1];
3e1872ed 1697
faef62a9 1698 clus.SetZ(0, fZPlane);
1699 clus.SetZ(1, fZPlane);
3e1872ed 1700
c4a97bcd 1701 AliDebug(1,Form("\n Cathode 1 multiplicite %d X(CG) %f Y(CG) %f\n",
faef62a9 1702 clus.GetMultiplicity(0),clus.GetX(0),clus.GetY(0)));
c4a97bcd 1703 AliDebug(1,Form(" Cathode 2 multiplicite %d X(CG) %f Y(CG) %f\n",
faef62a9 1704 clus.GetMultiplicity(1),clus.GetX(1),clus.GetY(1)));
a9e2aefa 1705// Analyse cluster and decluster if necessary
1706//
1707 ncls++;
faef62a9 1708 clus.SetNcluster(1,fNRawClusters);
1709 clus.SetClusterType(clus.PhysicsContribution());
a9e2aefa 1710
1711 fNPeaks=0;
1712//
1713//
faef62a9 1714 Decluster(&clus);
a9e2aefa 1715//
1716// reset Cluster object
f8ffca81 1717 { // begin local scope
faef62a9 1718 for (int k=0;k<clus.GetMultiplicity(0);k++) clus.SetIndex(k, 0, 0);
f8ffca81 1719 } // end local scope
a9e2aefa 1720
f8ffca81 1721 { // begin local scope
faef62a9 1722 for (int k=0;k<clus.GetMultiplicity(1);k++) clus.SetIndex(k, 1, 0);
f8ffca81 1723 } // end local scope
1724
faef62a9 1725 clus.SetMultiplicity(0,0);
1726 clus.SetMultiplicity(1,0);
a9e2aefa 1727
1728
1729 } // end loop ndig
1730 } // end loop cathodes
30aaba74 1731 delete fHitMap[0];
1732 delete fHitMap[1];
a9e2aefa 1733}
1734
1735Float_t AliMUONClusterFinderVS::SingleMathiesonFit(AliMUONRawCluster *c, Int_t cath)
1736{
f0d86bc4 1737// Performs a single Mathieson fit on one cathode
1738//
19dd5b2f 1739 Double_t arglist[20];
1740 Int_t ierflag=0;
9825400f 1741 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 1742
9825400f 1743 clusterInput.Fitter()->SetFCN(fcnS1);
1744 clusterInput.Fitter()->mninit(2,10,7);
19dd5b2f 1745 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1746 arglist[0]=-1;
1747 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1748// Set starting values
1749 static Double_t vstart[2];
ba12c242 1750 vstart[0]=c->GetX(1);
1751 vstart[1]=c->GetY(0);
a9e2aefa 1752
1753
1754// lower and upper limits
1755 static Double_t lower[2], upper[2];
fed772f3 1756 Int_t ix,iy, isec;
1757 if (fSegmentationType == 1) {
1758 fSeg[cath]->GetPadI(c->GetX(cath), c->GetY(cath), fZPlane, ix, iy);
1759 isec=fSeg[cath]->Sector(ix, iy);
1760
1761 lower[0]=vstart[0]-fSeg[cath]->Dpx(isec)/2;
1762 lower[1]=vstart[1]-fSeg[cath]->Dpy(isec)/2;
a9e2aefa 1763
fed772f3 1764 upper[0]=lower[0]+fSeg[cath]->Dpx(isec);
1765 upper[1]=lower[1]+fSeg[cath]->Dpy(isec);
1766
1767 } else {
1768 fSeg2[cath]->GetPadI(fInput->DetElemId(), c->GetX(cath), c->GetY(cath), fZPlane, ix, iy);
1769 isec=fSeg2[cath]->Sector(fInput->DetElemId(), ix, iy);
1770
1771 lower[0]=vstart[0]-fSeg2[cath]->Dpx(fInput->DetElemId(), isec)/2;
1772 lower[1]=vstart[1]-fSeg2[cath]->Dpy(fInput->DetElemId(), isec)/2;
a9e2aefa 1773
fed772f3 1774 upper[0]=lower[0]+fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
1775 upper[1]=lower[1]+fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
1776 }
1777
a9e2aefa 1778// step sizes
1779 static Double_t step[2]={0.0005, 0.0005};
1780
9825400f 1781 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1782 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
a9e2aefa 1783// ready for minimisation
a9e2aefa 1784 arglist[0]= -1;
1785 arglist[1]= 0;
1786
9825400f 1787 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1788 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1789 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1790 Double_t fmin, fedm, errdef;
1791 Int_t npari, nparx, istat;
1792
9825400f 1793 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1794 fFitStat=istat;
1795
1796// Print results
1797// Get fitted parameters
1798 Double_t xrec, yrec;
1799 TString chname;
1800 Double_t epxz, b1, b2;
1801 Int_t ierflg;
9825400f 1802 clusterInput.Fitter()->mnpout(0, chname, xrec, epxz, b1, b2, ierflg);
1803 clusterInput.Fitter()->mnpout(1, chname, yrec, epxz, b1, b2, ierflg);
a9e2aefa 1804 fXFit[cath]=xrec;
1805 fYFit[cath]=yrec;
1806 return fmin;
1807}
1808
e3cba86e 1809Float_t AliMUONClusterFinderVS::CombiSingleMathiesonFit(AliMUONRawCluster * /*c*/)
a9e2aefa 1810{
1811// Perform combined Mathieson fit on both cathode planes
1812//
19dd5b2f 1813 Double_t arglist[20];
1814 Int_t ierflag=0;
9825400f 1815 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1816 clusterInput.Fitter()->SetFCN(fcnCombiS1);
1817 clusterInput.Fitter()->mninit(2,10,7);
19dd5b2f 1818 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1819 arglist[0]=-1;
1820 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1821 static Double_t vstart[2];
1822 vstart[0]=fXInit[0];
1823 vstart[1]=fYInit[0];
1824
1825
1826// lower and upper limits
f0d86bc4 1827 static Float_t lower[2], upper[2];
a9e2aefa 1828 Int_t ix,iy,isec;
fed772f3 1829 Float_t dpy, dpx;
1830
1831 if (fSegmentationType == 1) {
1832 fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1833 isec=fSeg[0]->Sector(ix, iy);
1834 dpy=fSeg[0]->Dpy(isec);
1835 fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
1836 isec=fSeg[1]->Sector(ix, iy);
1837 dpx=fSeg[1]->Dpx(isec);
1838
1839 } else {
1840 fSeg2[0]->GetPadI(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, ix, iy);
1841 isec=fSeg2[0]->Sector(fInput->DetElemId(), ix, iy);
1842 dpy=fSeg2[0]->Dpy(fInput->DetElemId(), isec);
1843 fSeg2[1]->GetPadI(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, ix, iy);
1844 isec=fSeg2[1]->Sector(fInput->DetElemId(), ix, iy);
1845 dpx=fSeg2[1]->Dpx(fInput->DetElemId(), isec);
a9e2aefa 1846
fed772f3 1847 }
f0d86bc4 1848 Int_t icount;
1849 Float_t xdum, ydum, zdum;
a9e2aefa 1850
f0d86bc4 1851// Find save upper and lower limits
a9e2aefa 1852
f0d86bc4 1853 icount = 0;
fed772f3 1854 if (fSegmentationType == 1) {
1855 for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.);
1856 fSeg[1]->MorePads();
1857 fSeg[1]->NextPad())
1858 {
1859 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
1860 fSeg[1]->GetPadC(ix,iy, upper[0], ydum, zdum);
1861 if (icount ==0) lower[0]=upper[0];
1862 icount++;
1863 }
1864 } else {
1865 for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, dpx, 0.);
1866 fSeg2[1]->MorePads(fInput->DetElemId());
1867 fSeg2[1]->NextPad(fInput->DetElemId()))
1868 {
1869 ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
1870 fSeg2[1]->GetPadC(fInput->DetElemId(), ix,iy, upper[0], ydum, zdum);
1871 if (icount ==0) lower[0]=upper[0];
1872 icount++;
1873 }
f0d86bc4 1874 }
f0d86bc4 1875 if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
1876
1877 icount=0;
c4a97bcd 1878 AliDebug(1,Form("\n single y %f %f", fXInit[0], fYInit[0]));
f0d86bc4 1879
fed772f3 1880 if (fSegmentationType == 1) {
1881 for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy);
1882 fSeg[0]->MorePads();
1883 fSeg[0]->NextPad())
1884 {
1885 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
1886 fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);
1887 if (icount ==0) lower[1]=upper[1];
1888 icount++;
1889 AliDebug(1,Form("\n upper lower %d %f %f", icount, upper[1], lower[1]));
1890 }
1891 } else {
1892 for (fSeg2[0]->FirstPad(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, 0., dpy);
1893 fSeg2[0]->MorePads(fInput->DetElemId());
1894 fSeg2[0]->NextPad(fInput->DetElemId()))
1895 {
1896 ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
1897 fSeg2[0]->GetPadC(fInput->DetElemId(), ix,iy,xdum,upper[1],zdum);
1898 if (icount ==0) lower[1]=upper[1];
1899 icount++;
1900 AliDebug(1,Form("\n upper lower %d %f %f", icount, upper[1], lower[1]));
1901 }
f0d86bc4 1902 }
f0d86bc4 1903 if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
1904
a9e2aefa 1905// step sizes
1906 static Double_t step[2]={0.00001, 0.0001};
1907
9825400f 1908 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
1909 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
a9e2aefa 1910// ready for minimisation
a9e2aefa 1911 arglist[0]= -1;
1912 arglist[1]= 0;
1913
9825400f 1914 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
1915 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 1916 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 1917 Double_t fmin, fedm, errdef;
1918 Int_t npari, nparx, istat;
1919
9825400f 1920 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 1921 fFitStat=istat;
1922
1923// Print results
1924// Get fitted parameters
1925 Double_t xrec, yrec;
1926 TString chname;
1927 Double_t epxz, b1, b2;
1928 Int_t ierflg;
9825400f 1929 clusterInput.Fitter()->mnpout(0, chname, xrec, epxz, b1, b2, ierflg);
1930 clusterInput.Fitter()->mnpout(1, chname, yrec, epxz, b1, b2, ierflg);
a9e2aefa 1931 fXFit[0]=xrec;
1932 fYFit[0]=yrec;
1933 return fmin;
1934}
1935
e3cba86e 1936Bool_t AliMUONClusterFinderVS::DoubleMathiesonFit(AliMUONRawCluster * /*c*/, Int_t cath)
a9e2aefa 1937{
f0d86bc4 1938// Performs a double Mathieson fit on one cathode
1939//
1940
a9e2aefa 1941//
1942// Initialise global variables for fit
19dd5b2f 1943 Double_t arglist[20];
1944 Int_t ierflag=0;
9825400f 1945 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
1946 clusterInput.Fitter()->SetFCN(fcnS2);
1947 clusterInput.Fitter()->mninit(5,10,7);
19dd5b2f 1948 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
1949 arglist[0]=-1;
1950 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 1951// Set starting values
1952 static Double_t vstart[5];
1953 vstart[0]=fX[fIndLocal[0][cath]][cath];
1954 vstart[1]=fY[fIndLocal[0][cath]][cath];
1955 vstart[2]=fX[fIndLocal[1][cath]][cath];
1956 vstart[3]=fY[fIndLocal[1][cath]][cath];
1957 vstart[4]=Float_t(fQ[fIndLocal[0][cath]][cath])/
1958 Float_t(fQ[fIndLocal[0][cath]][cath]+fQ[fIndLocal[1][cath]][cath]);
1959// lower and upper limits
f0d86bc4 1960 static Float_t lower[5], upper[5];
fed772f3 1961 Int_t isec;
1962
1963 if (fSegmentationType == 1) {
1964 isec=fSeg[cath]->Sector(fIx[fIndLocal[0][cath]][cath], fIy[fIndLocal[0][cath]][cath]);
1965 lower[0]=vstart[0]-fSeg[cath]->Dpx(isec);
1966 lower[1]=vstart[1]-fSeg[cath]->Dpy(isec);
1967
1968 upper[0]=lower[0]+2.*fSeg[cath]->Dpx(isec);
1969 upper[1]=lower[1]+2.*fSeg[cath]->Dpy(isec);
1970
1971 isec=fSeg[cath]->Sector(fIx[fIndLocal[1][cath]][cath], fIy[fIndLocal[1][cath]][cath]);
1972 lower[2]=vstart[2]-fSeg[cath]->Dpx(isec)/2;
1973 lower[3]=vstart[3]-fSeg[cath]->Dpy(isec)/2;
a9e2aefa 1974
fed772f3 1975 upper[2]=lower[2]+fSeg[cath]->Dpx(isec);
1976 upper[3]=lower[3]+fSeg[cath]->Dpy(isec);
1977
1978 } else {
1979 isec=fSeg2[cath]->Sector(fInput->DetElemId(),fIx[fIndLocal[0][cath]][cath],
1980 fIy[fIndLocal[0][cath]][cath]);
1981 lower[0]=vstart[0]-fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
1982 lower[1]=vstart[1]-fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
a9e2aefa 1983
fed772f3 1984 upper[0]=lower[0]+2.*fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
1985 upper[1]=lower[1]+2.*fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
a9e2aefa 1986
fed772f3 1987 isec=fSeg2[cath]->Sector(fInput->DetElemId(),fIx[fIndLocal[1][cath]][cath],
1988 fIy[fIndLocal[1][cath]][cath]);
1989 lower[2]=vstart[2]-fSeg2[cath]->Dpx(fInput->DetElemId(),isec)/2;
1990 lower[3]=vstart[3]-fSeg2[cath]->Dpy(fInput->DetElemId(),isec)/2;
a9e2aefa 1991
fed772f3 1992 upper[2]=lower[2]+fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
1993 upper[1]=lower[1]+2.*fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
1994
1995 }
1996
a9e2aefa 1997 lower[4]=0.;
1998 upper[4]=1.;
1999// step sizes
2000 static Double_t step[5]={0.0005, 0.0005, 0.0005, 0.0005, 0.0001};
2001
9825400f 2002 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
2003 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
2004 clusterInput.Fitter()->mnparm(2,"x2",vstart[2],step[2],lower[2],upper[2],ierflag);
2005 clusterInput.Fitter()->mnparm(3,"y2",vstart[3],step[3],lower[3],upper[3],ierflag);
2006 clusterInput.Fitter()->mnparm(4,"a0",vstart[4],step[4],lower[4],upper[4],ierflag);
a9e2aefa 2007// ready for minimisation
a9e2aefa 2008 arglist[0]= -1;
2009 arglist[1]= 0;
2010
9825400f 2011 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
2012 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 2013 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 2014// Get fitted parameters
2015 Double_t xrec[2], yrec[2], qfrac;
2016 TString chname;
2017 Double_t epxz, b1, b2;
2018 Int_t ierflg;
9825400f 2019 clusterInput.Fitter()->mnpout(0, chname, xrec[0], epxz, b1, b2, ierflg);
2020 clusterInput.Fitter()->mnpout(1, chname, yrec[0], epxz, b1, b2, ierflg);
2021 clusterInput.Fitter()->mnpout(2, chname, xrec[1], epxz, b1, b2, ierflg);
2022 clusterInput.Fitter()->mnpout(3, chname, yrec[1], epxz, b1, b2, ierflg);
2023 clusterInput.Fitter()->mnpout(4, chname, qfrac, epxz, b1, b2, ierflg);
a9e2aefa 2024
2025 Double_t fmin, fedm, errdef;
2026 Int_t npari, nparx, istat;
2027
9825400f 2028 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 2029 fFitStat=istat;
a9e2aefa 2030 return kTRUE;
2031}
2032
e3cba86e 2033Float_t AliMUONClusterFinderVS::CombiDoubleMathiesonFit(AliMUONRawCluster * /*c*/)
a9e2aefa 2034{
2035//
2036// Perform combined double Mathieson fit on both cathode planes
2037//
19dd5b2f 2038 Double_t arglist[20];
2039 Int_t ierflag=0;
9825400f 2040 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
2041 clusterInput.Fitter()->SetFCN(fcnCombiS2);
2042 clusterInput.Fitter()->mninit(6,10,7);
19dd5b2f 2043 clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
2044 arglist[0]=-1;
2045 clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
a9e2aefa 2046// Set starting values
2047 static Double_t vstart[6];
2048 vstart[0]=fXInit[0];
2049 vstart[1]=fYInit[0];
2050 vstart[2]=fXInit[1];
2051 vstart[3]=fYInit[1];
2052 vstart[4]=fQrInit[0];
2053 vstart[5]=fQrInit[1];
2054// lower and upper limits
f0d86bc4 2055 static Float_t lower[6], upper[6];
a9e2aefa 2056 Int_t ix,iy,isec;
2057 Float_t dpx, dpy;
fed772f3 2058 if (fSegmentationType == 1) {
f0d86bc4 2059 fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
2060 isec=fSeg[1]->Sector(ix, iy);
2061 dpx=fSeg[1]->Dpx(isec);
a9e2aefa 2062
f0d86bc4 2063 fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
2064 isec=fSeg[0]->Sector(ix, iy);
2065 dpy=fSeg[0]->Dpy(isec);
a9e2aefa 2066
fed772f3 2067 } else {
2068 fSeg2[1]->GetPadI(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, ix, iy);
2069 isec=fSeg2[1]->Sector(fInput->DetElemId(),ix, iy);
2070 dpx=fSeg2[1]->Dpx(fInput->DetElemId(), isec);
2071
2072 fSeg2[0]->GetPadI(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, ix, iy);
2073 isec=fSeg2[0]->Sector(fInput->DetElemId(), ix, iy);
2074 dpy=fSeg2[0]->Dpy(fInput->DetElemId(), isec);
2075
2076 }
a9e2aefa 2077
f0d86bc4 2078 Int_t icount;
2079 Float_t xdum, ydum, zdum;
c4a97bcd 2080 AliDebug(1,Form("\n Cluster Finder: %f %f %f %f ", fXInit[0], fXInit[1],fYInit[0], fYInit[1] ));
fed772f3 2081
2082 if (fSegmentationType == 1) {
2083
2084 // Find save upper and lower limits
2085 icount = 0;
f0d86bc4 2086
fed772f3 2087 for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.);
2088 fSeg[1]->MorePads();
2089 fSeg[1]->NextPad())
2090 {
2091 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
2092 // if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
2093 fSeg[1]->GetPadC(ix,iy,upper[0],ydum,zdum);
2094 if (icount ==0) lower[0]=upper[0];
2095 icount++;
2096 }
2097 if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
2098 // vstart[0] = 0.5*(lower[0]+upper[0]);
05c39730 2099
2100
fed772f3 2101 icount=0;
f0d86bc4 2102
fed772f3 2103 for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy);
2104 fSeg[0]->MorePads();
2105 fSeg[0]->NextPad())
2106 {
2107 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
2108 // if (fHitMap[0]->TestHit(ix, iy) == kEmpty) continue;
2109 fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);
2110 if (icount ==0) lower[1]=upper[1];
2111 icount++;
2112 }
05c39730 2113
fed772f3 2114 if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
2115 // vstart[1] = 0.5*(lower[1]+upper[1]);
05c39730 2116
a9e2aefa 2117
fed772f3 2118 fSeg[1]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
2119 isec=fSeg[1]->Sector(ix, iy);
2120 dpx=fSeg[1]->Dpx(isec);
2121 fSeg[0]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
2122 isec=fSeg[0]->Sector(ix, iy);
2123 dpy=fSeg[0]->Dpy(isec);
a9e2aefa 2124
a9e2aefa 2125
fed772f3 2126 // Find save upper and lower limits
f0d86bc4 2127
fed772f3 2128 icount=0;
f0d86bc4 2129
fed772f3 2130 for (fSeg[1]->FirstPad(fXInit[1], fYInit[1], fZPlane, dpx, 0);
2131 fSeg[1]->MorePads(); fSeg[1]->NextPad())
2132 {
2133 ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
2134 // if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
2135 fSeg[1]->GetPadC(ix,iy,upper[2],ydum,zdum);
2136 if (icount ==0) lower[2]=upper[2];
2137 icount++;
2138 }
2139 if (lower[2]>upper[2]) {xdum=lower[2]; lower[2]=upper[2]; upper[2]=xdum;}
2140 // vstart[2] = 0.5*(lower[2]+upper[2]);
f0d86bc4 2141
fed772f3 2142 icount=0;
f0d86bc4 2143
fed772f3 2144 for (fSeg[0]->FirstPad(fXInit[1], fYInit[1], fZPlane, 0, dpy);
2145 fSeg[0]-> MorePads(); fSeg[0]->NextPad())
2146 {
2147 ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
2148 // if (fHitMap[0]->TestHit(ix, iy) != kEmpty) continue;
05c39730 2149
fed772f3 2150 fSeg[0]->GetPadC(ix,iy,xdum,upper[3],zdum);
2151 if (icount ==0) lower[3]=upper[3];
2152 icount++;
05c39730 2153
fed772f3 2154 }
2155 if (lower[3]>upper[3]) {xdum=lower[3]; lower[3]=upper[3]; upper[3]=xdum;}
05c39730 2156
fed772f3 2157 // vstart[3] = 0.5*(lower[3]+upper[3]);
2158 } else {
2159
2160 // Find save upper and lower limits
2161 icount = 0;
2162
2163 for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, dpx, 0.);
2164 fSeg2[1]->MorePads(fInput->DetElemId());
2165 fSeg2[1]->NextPad(fInput->DetElemId()))
2166 {
2167 ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
2168 // if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
2169 fSeg2[1]->GetPadC(fInput->DetElemId(),ix,iy,upper[0],ydum,zdum);
2170 if (icount ==0) lower[0]=upper[0];
2171 icount++;
2172 }
2173 if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
2174 // vstart[0] = 0.5*(lower[0]+upper[0]);
2175
05c39730 2176
fed772f3 2177 icount=0;
2178
2179 for (fSeg2[0]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, 0., dpy);
2180 fSeg2[0]->MorePads(fInput->DetElemId());
2181 fSeg2[0]->NextPad(fInput->DetElemId()))
2182 {
2183 ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
2184 // if (fHitMap[0]->TestHit(ix, iy) == kEmpty) continue;
2185 fSeg2[0]->GetPadC(fInput->DetElemId(),ix,iy,xdum,upper[1],zdum);
2186 if (icount ==0) lower[1]=upper[1];
2187 icount++;
2188 }
2189
2190 if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
2191 // vstart[1] = 0.5*(lower[1]+upper[1]);
2192
2193
2194 fSeg2[1]->GetPadI(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, ix, iy);
2195 isec=fSeg2[1]->Sector(fInput->DetElemId(),ix, iy);
2196 dpx=fSeg2[1]->Dpx(fInput->DetElemId(),isec);
2197 fSeg2[0]->GetPadI(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, ix, iy);
2198 isec=fSeg2[0]->Sector(fInput->DetElemId(),ix, iy);
2199 dpy=fSeg2[0]->Dpy(fInput->DetElemId(),isec);
2200
2201
2202 // Find save upper and lower limits
2203
2204 icount=0;
2205
2206 for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, dpx, 0);
2207 fSeg2[1]->MorePads(fInput->DetElemId());
2208 fSeg2[1]->NextPad(fInput->DetElemId()))
2209 {
2210 ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
2211 // if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
2212 fSeg2[1]->GetPadC(fInput->DetElemId(),ix,iy,upper[2],ydum,zdum);
2213 if (icount ==0) lower[2]=upper[2];
2214 icount++;
2215 }
2216 if (lower[2]>upper[2]) {xdum=lower[2]; lower[2]=upper[2]; upper[2]=xdum;}
2217 // vstart[2] = 0.5*(lower[2]+upper[2]);
2218
2219 icount=0;
2220
2221 for (fSeg2[0]->FirstPad(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, 0, dpy);
2222 fSeg2[0]-> MorePads(fInput->DetElemId());
2223 fSeg2[0]->NextPad(fInput->DetElemId()))
2224 {
2225 ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
2226 // if (fHitMap[0]->TestHit(ix, iy) != kEmpty) continue;
2227
2228 fSeg2[0]->GetPadC(fInput->DetElemId(),ix,iy,xdum,upper[3],zdum);
2229 if (icount ==0) lower[3]=upper[3];
2230 icount++;
2231
2232 }
2233 if (lower[3]>upper[3]) {xdum=lower[3]; lower[3]=upper[3]; upper[3]=xdum;}
2234 }
a9e2aefa 2235 lower[4]=0.;
2236 upper[4]=1.;
2237 lower[5]=0.;
2238 upper[5]=1.;
2239
2240// step sizes
2241 static Double_t step[6]={0.0005, 0.0005, 0.0005, 0.0005, 0.001, 0.001};
9825400f 2242 clusterInput.Fitter()->mnparm(0,"x1",vstart[0],step[0],lower[0],upper[0],ierflag);
2243 clusterInput.Fitter()->mnparm(1,"y1",vstart[1],step[1],lower[1],upper[1],ierflag);
2244 clusterInput.Fitter()->mnparm(2,"x2",vstart[2],step[2],lower[2],upper[2],ierflag);
2245 clusterInput.Fitter()->mnparm(3,"y2",vstart[3],step[3],lower[3],upper[3],ierflag);
2246 clusterInput.Fitter()->mnparm(4,"a0",vstart[4],step[4],lower[4],upper[4],ierflag);
2247 clusterInput.Fitter()->mnparm(5,"a1",vstart[5],step[5],lower[5],upper[5],ierflag);
a9e2aefa 2248// ready for minimisation
a9e2aefa 2249 arglist[0]= -1;
2250 arglist[1]= 0;
2251
9825400f 2252 clusterInput.Fitter()->mnexcm("SET NOGR", arglist, 0, ierflag);
2253 clusterInput.Fitter()->mnexcm("MIGRAD", arglist, 0, ierflag);
4da78c65 2254 // clusterInput.Fitter()->mnexcm("EXIT" , arglist, 0, ierflag);
a9e2aefa 2255// Get fitted parameters
2256 TString chname;
2257 Double_t epxz, b1, b2;
2258 Int_t ierflg;
9825400f 2259 clusterInput.Fitter()->mnpout(0, chname, fXFit[0], epxz, b1, b2, ierflg);
2260 clusterInput.Fitter()->mnpout(1, chname, fYFit[0], epxz, b1, b2, ierflg);
2261 clusterInput.Fitter()->mnpout(2, chname, fXFit[1], epxz, b1, b2, ierflg);
2262 clusterInput.Fitter()->mnpout(3, chname, fYFit[1], epxz, b1, b2, ierflg);
2263 clusterInput.Fitter()->mnpout(4, chname, fQrFit[0], epxz, b1, b2, ierflg);
2264 clusterInput.Fitter()->mnpout(5, chname, fQrFit[1], epxz, b1, b2, ierflg);
a9e2aefa 2265
2266 Double_t fmin, fedm, errdef;
2267 Int_t npari, nparx, istat;
2268
9825400f 2269 clusterInput.Fitter()->mnstat(fmin, fedm, errdef, npari, nparx, istat);
a9e2aefa 2270 fFitStat=istat;
2271
2272 fChi2[0]=fmin;
2273 fChi2[1]=fmin;
2274 return fmin;
2275}
2276
2277void AliMUONClusterFinderVS::Split(AliMUONRawCluster* c)
2278{
2279//
2280// One cluster for each maximum
2281//
2282 Int_t i, j, cath;
9825400f 2283 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2284 for (j=0; j<2; j++) {
2285 AliMUONRawCluster cnew;
3b5272e3 2286 cnew.SetGhost(c->GetGhost());
a9e2aefa 2287 for (cath=0; cath<2; cath++) {
3b5272e3 2288 cnew.SetChi2(cath,fChi2[0]);
07cfabcf 2289 // ?? why not cnew.fChi2[cath]=fChi2[cath];
a9e2aefa 2290
2291 if (fNPeaks == 0) {
3b5272e3 2292 cnew.SetNcluster(0,-1);
2293 cnew.SetNcluster(1,fNRawClusters);
a9e2aefa 2294 } else {
3b5272e3 2295 cnew.SetNcluster(0,fNPeaks);
2296 cnew.SetNcluster(1,0);
a9e2aefa 2297 }
9e993f2a 2298 cnew.SetMultiplicity(cath,0);
ba12c242 2299 cnew.SetX(cath, Float_t(fXFit[j]));
2300 cnew.SetY(cath, Float_t(fYFit[j]));
2301 cnew.SetZ(cath, fZPlane);
a9e2aefa 2302 if (j==0) {
ba12c242 2303 cnew.SetCharge(cath, Int_t(clusterInput.TotalCharge(cath)*fQrFit[cath]));
a9e2aefa 2304 } else {
ba12c242 2305 cnew.SetCharge(cath, Int_t(clusterInput.TotalCharge(cath)*(1-fQrFit[cath])));
a9e2aefa 2306 }
fed772f3 2307 if (fSegmentationType == 1)
2308 fSeg[cath]->SetHit(fXFit[j],fYFit[j],fZPlane);
2309 else
2310 fSeg2[cath]->SetHit(fInput->DetElemId(), fXFit[j],fYFit[j],fZPlane);
2311
a9e2aefa 2312 for (i=0; i<fMul[cath]; i++) {
fed772f3 2313 Float_t q1;
0164904a 2314 cnew.SetIndex(cnew.GetMultiplicity(cath), cath, c->GetIndex(i,cath));
fed772f3 2315 if (fSegmentationType == 1) {
2316 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
2317 q1 = fInput->Mathieson()->IntXY(fSeg[cath]);
2318 } else {
2319 fSeg2[cath]->SetPad(fInput->DetElemId(),fIx[i][cath], fIy[i][cath]);
2320 q1 = fInput->Mathieson()->IntXY(fInput->DetElemId(),fSeg2[cath]);
2321 }
0164904a 2322 cnew.SetContrib(i, cath, q1*Float_t(cnew.GetCharge(cath))/Float_t(fQ[i][cath]));
9e993f2a 2323 cnew.SetMultiplicity(cath, cnew.GetMultiplicity(cath)+1 );
a9e2aefa 2324 }
2325 FillCluster(&cnew,0,cath);
2326 } // cathode loop
2327
9e993f2a 2328 cnew.SetClusterType(cnew.PhysicsContribution());
ba12c242 2329 if (cnew.GetCharge(0)>0 && cnew.GetCharge(1)>0) AddRawCluster(cnew);
a9e2aefa 2330 fNPeaks++;
2331 }
2332}
a713db22 2333void AliMUONClusterFinderVS::AddRawCluster(const AliMUONRawCluster& c)
2334{
2335 //
2336 // Add a raw cluster copy to the list
2337 //
2338
2339// AliMUON *pMUON=(AliMUON*)gAlice->GetModule("MUON");
2340// pMUON->GetMUONData()->AddRawCluster(fInput->Chamber(),c);
2341// fNRawClusters++;
2342
2343
2344 TClonesArray &lrawcl = *fRawClusters;
2345 new(lrawcl[fNRawClusters++]) AliMUONRawCluster(c);
2346 AliDebug(1,Form("\nfNRawClusters %d\n",fNRawClusters));
2347}
2348
2349AliMUONClusterFinderVS& AliMUONClusterFinderVS
2350::operator = (const AliMUONClusterFinderVS& rhs)
2351{
2352// Protected assignement operator
2353
2354 if (this == &rhs) return *this;
a9e2aefa 2355
a713db22 2356 AliFatal("Not implemented.");
2357
2358 return *this;
2359}
a9e2aefa 2360
a9e2aefa 2361//
2362// Minimisation functions
2363// Single Mathieson
e3cba86e 2364void fcnS1(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 2365{
9825400f 2366 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2367 Int_t i;
2368 Float_t delta;
2369 Float_t chisq=0;
2370 Float_t qcont=0;
2371 Float_t qtot=0;
9825400f 2372
2373 for (i=0; i<clusterInput.Nmul(0); i++) {
2374 Float_t q0=clusterInput.Charge(i,0);
2375 Float_t q1=clusterInput.DiscrChargeS1(i,par);
a9e2aefa 2376 delta=(q0-q1)/q0;
2377 chisq+=delta*delta;
2378 qcont+=q1;
2379 qtot+=q0;
2380 }
2381 f=chisq;
2382}
2383
e3cba86e 2384void fcnCombiS1(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 2385{
9825400f 2386 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2387 Int_t i, cath;
2388 Float_t delta;
2389 Float_t chisq=0;
2390 Float_t qcont=0;
2391 Float_t qtot=0;
a9e2aefa 2392
2393 for (cath=0; cath<2; cath++) {
9825400f 2394 for (i=0; i<clusterInput.Nmul(cath); i++) {
2395 Float_t q0=clusterInput.Charge(i,cath);
2396 Float_t q1=clusterInput.DiscrChargeCombiS1(i,par,cath);
a9e2aefa 2397 delta=(q0-q1)/q0;
2398 chisq+=delta*delta;
2399 qcont+=q1;
2400 qtot+=q0;
2401 }
a9e2aefa 2402 }
a9e2aefa 2403 f=chisq;
2404}
2405
2406// Double Mathieson
e3cba86e 2407void fcnS2(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 2408{
9825400f 2409 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2410 Int_t i;
2411 Float_t delta;
2412 Float_t chisq=0;
2413 Float_t qcont=0;
2414 Float_t qtot=0;
2415
9825400f 2416 for (i=0; i<clusterInput.Nmul(0); i++) {
a9e2aefa 2417
9825400f 2418 Float_t q0=clusterInput.Charge(i,0);
2419 Float_t q1=clusterInput.DiscrChargeS2(i,par);
a9e2aefa 2420 delta=(q0-q1)/q0;
2421 chisq+=delta*delta;
2422 qcont+=q1;
2423 qtot+=q0;
2424 }
a9e2aefa 2425 f=chisq;
2426}
2427
2428// Double Mathieson
e3cba86e 2429void fcnCombiS2(Int_t & /*npar*/, Double_t * /*gin*/, Double_t &f, Double_t *par, Int_t /*iflag*/)
a9e2aefa 2430{
9825400f 2431 AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
a9e2aefa 2432 Int_t i, cath;
2433 Float_t delta;
2434 Float_t chisq=0;
2435 Float_t qcont=0;
2436 Float_t qtot=0;
a9e2aefa 2437 for (cath=0; cath<2; cath++) {
9825400f 2438 for (i=0; i<clusterInput.Nmul(cath); i++) {
2439 Float_t q0=clusterInput.Charge(i,cath);
2440 Float_t q1=clusterInput.DiscrChargeCombiS2(i,par,cath);
a9e2aefa 2441 delta=(q0-q1)/q0;
2442 chisq+=delta*delta;
2443 qcont+=q1;
2444 qtot+=q0;
2445 }
a9e2aefa 2446 }
a9e2aefa 2447 f=chisq;
2448}