coveritiy
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDTracker.cxx
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1#include "AliHMPIDTracker.h" //class header
2#include "AliHMPIDtrack.h" //class header
3#include "AliHMPIDCluster.h" //GetTrackPoint(),PropagateBack()
4#include "AliHMPIDParam.h" //GetTrackPoint(),PropagateBack()
5#include "AliHMPIDPid.h" //Recon(),reconHTA()
6#include "AliHMPIDRecon.h" //Recon()
7#include "AliHMPIDRecoParamV1.h" //Recon()
8#include "AliHMPIDReconstructor.h"//Recon()
9#include "AliHMPIDReconHTA.h" //ReconHTA()
10#include <AliLog.h> //Recon()
11#include <AliESDEvent.h> //PropagateBack(),Recon()
12#include <AliESDtrack.h> //Intersect()
13#include <AliTracker.h>
14#include <AliRun.h> //GetTrackPoint(),PropagateBack()
15#include <AliTrackPointArray.h> //GetTrackPoint()
16#include <AliAlignObj.h> //GetTrackPoint()
17#include <AliCDBManager.h> //PropageteBack()
18#include <AliCDBEntry.h> //PropageteBack()
19//.
20// HMPID base class fo tracking
21//.
22//.
23//.
24ClassImp(AliHMPIDTracker)
25//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
26AliHMPIDTracker::AliHMPIDTracker():
27 AliTracker(),
28 fClu(new TObjArray(AliHMPIDParam::kMaxCh+1))
29{
30// ctor. Create TObjArray of TClonesArray of AliHMPIDCluster
31//
32//
33 fClu->SetOwner(kTRUE);
34 for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) fClu->AddAt(new TClonesArray("AliHMPIDCluster"),i);
35}//ctor
36//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
37Bool_t AliHMPIDTracker::GetTrackPoint(Int_t idx, AliTrackPoint& point) const
38{
39// Interface callback methode invoked from AliReconstruction::WriteAlignmentData() to get position of MIP cluster in MARS associated to a current track.
40// MIP cluster is reffered by index which is stored in AliESDtrack ???????
41// Arguments: idx- cluster index which is stored by HMPID in AliESDtrack
42// point- reference to the object where to store the point
43// Returns: status of operation if FALSE then AliReconstruction::WriteAlignmentData() do not store this point to array of points for current track.
44 if(idx<0) return kFALSE; //no MIP cluster assigned to this track in PropagateBack()
45 Int_t iCham=idx/1000000; Int_t iClu=idx%1000000;
46 iClu = iClu%1000; //GetHMPIDcluIdx -> 1e+6*ch + 1e+3*clusize + cluIdx;
47 point.SetVolumeID(AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,iCham));//layer and chamber number
48 TClonesArray *pArr=(TClonesArray*)(*fClu)[iCham];
49 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pArr->UncheckedAt(iClu);//get pointer to cluster
50 Float_t xyz[3];
51 pClu->GetGlobalXYZ(xyz);
52 Float_t cov[6];
53 pClu->GetGlobalCov(cov);
54 point.SetXYZ(xyz,cov);
55 return kTRUE;
56}//GetTrackPoint()
57//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
58Int_t AliHMPIDTracker::IntTrkCha(AliESDtrack *pTrk,Float_t &xPc,Float_t &yPc,Float_t &xRa,Float_t &yRa,Float_t &theta,Float_t &phi)
59{
60// Static method to find intersection in between given track and HMPID chambers
61// Arguments: pTrk- ESD track; xPc,yPc- track intersection with PC in LORS [cm]
62// Returns: intersected chamber ID or -1
63 AliHMPIDtrack *hmpTrk = new AliHMPIDtrack(*pTrk); //create a hmpid track to be used for propagation and matching
64 for(Int_t i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){ //chambers loop
65 Int_t chInt = IntTrkCha(i,hmpTrk,xPc,yPc,xRa,yRa,theta,phi);
66 if(chInt>=0) {delete hmpTrk;hmpTrk=0x0;return chInt;}
67 } //chambers loop
68 delete hmpTrk; hmpTrk=0x0;
69 return -1; //no intersection with HMPID chambers
70}//IntTrkCha()
71//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
72Int_t AliHMPIDTracker::IntTrkCha(Int_t ch,AliHMPIDtrack *pTrk,Float_t &xPc,Float_t &yPc,Float_t &xRa,Float_t &yRa,Float_t &theta,Float_t &phi)
73{
74// Static method to find intersection in between given track and HMPID chambers
75// Arguments: pTrk- HMPID track; xPc,yPc- track intersection with PC in LORS [cm]
76// Returns: intersected chamber ID or -1
77 AliHMPIDParam *pParam=AliHMPIDParam::Instance();
78 Double_t p1[3],n1[3];
79 pParam->Norm(ch,n1);
80 pParam->Point(ch,p1,AliHMPIDParam::kRad); //point & norm for middle of radiator plane
81 Double_t p2[3],n2[3];
82 pParam->Norm(ch,n2);
83 pParam->Point(ch,p2,AliHMPIDParam::kPc); //point & norm for entrance to PC plane
84 if(pTrk->Intersect(p1,n1)==kFALSE) return -1; //try to intersect track with the middle of radiator
85 if(pTrk->Intersect(p2,n2)==kFALSE) return -1;
86 pParam->Mars2LorsVec(ch,n1,theta,phi); //track angles at RAD
87 pParam->Mars2Lors (ch,p1,xRa,yRa); //TRKxRAD position
88 pParam->Mars2Lors (ch,p2,xPc,yPc); //TRKxPC position
89 if(AliHMPIDParam::IsInside(xPc,yPc,pParam->DistCut())==kTRUE) return ch; //return intersected chamber
90 return -1; //no intersection with HMPID chambers
91}//IntTrkCha()
92//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
93Int_t AliHMPIDTracker::LoadClusters(TTree *pCluTree)
94{
95// Interface callback methode invoked from AliReconstruction::RunTracking() to load HMPID clusters before PropagateBack() gets control. Done once per event.
96// Arguments: pCluTree- pointer to clusters tree got by AliHMPIDLoader::LoadRecPoints("read") then AliHMPIDLoader::TreeR()
97// Returns: error code (currently ignored in AliReconstruction::RunTraking())
98 for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) pCluTree->SetBranchAddress(Form("HMPID%d",i),&((*fClu)[i]));
99 pCluTree->GetEntry(0);
100 return 0;
101}//LoadClusters()
102//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
103Int_t AliHMPIDTracker::PropagateBack(AliESDEvent *pEsd)
104{
105// Interface pure virtual in AliTracker. Invoked from AliReconstruction::RunTracking() after invocation of AliTracker::LoadClusters() once per event
106// Agruments: pEsd - pointer to ESD
107// Returns: error code
108 AliCDBEntry *pNmeanEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Nmean"); //contains TObjArray of 42 TF1 + 1 EPhotMean
109 AliCDBEntry *pQthreEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Qthre"); //contains TObjArray of 42 (7ch * 6sec) TF1
110 if(!pNmeanEnt) AliError("No Nmean C6F14 ");
111 if(!pQthreEnt) AliError("No Qthre");
112
113 return Recon(pEsd,fClu,(TObjArray*)pNmeanEnt->GetObject(),(TObjArray*)pQthreEnt->GetObject());
114}//PropagateBack()
115//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
116Int_t AliHMPIDTracker::Recon(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
117{
118// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
119// Arguments: pEsd- pointer ESD; pClu- pointer to clusters for all chambers; pNmean - pointer to all function Nmean=f(time)
120// Returns: error code, 0 if no errors
121
122 AliHMPIDRecon recon; //instance of reconstruction class, nothing important in ctor
123 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
124 Float_t xPc,yPc,xRa,yRa,theta,phi;
125 Double_t cluLORS[2]={0};
126// Double_t cluMARS[3]={0},trkMARS[3]={0};
127// Double_t bestcluMARS[3]={0,0,0};
128// Double_t radClu,radInitTrk;
129 Int_t nMipClusTot=0;
130// Double_t d3d=0;
131 Double_t qthre = 0; Double_t nmean=0; Int_t hvsec=0;
132 Int_t nClusCh[AliHMPIDParam::kMaxCh+1];
133
134 Bool_t tsRight = kTRUE;
135
136 UInt_t tsmin = (UInt_t)((TF1*)pQthre->At(0))->GetXmin(); //
137 UInt_t tsmax = (UInt_t)((TF1*)pQthre->At(0))->GetXmax(); //
138 UInt_t ts = pEsd->GetTimeStamp();
139
140 if(ts<tsmin || ts>tsmax) {
141 AliWarning(Form(" in HMPID time stamp out of range!!! Please check!!! ts = %i",ts));
142 tsRight = kFALSE;
143 }
144
145 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
146
147// Double_t bestChi2=99999;chi2=99999; //init. track matching params
148 Double_t dmin=999999,bz=0,distCut=1,distParams[5]={1};
149
150 Bool_t isOkDcut=kFALSE;
151 Bool_t isOkQcut=kFALSE;
152 Bool_t isMatched=kFALSE;
153
154 AliHMPIDCluster *bestHmpCluster=0x0; //the best matching cluster
155 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //get reconstructed track
156
157 if(!pTrk->IsOn(AliESDtrack::kTPCout)) continue;
158
159 if(pTrk->IsOn(AliESDtrack::kTPCrefit)) continue;
160
161 AliHMPIDtrack *hmpTrk = new AliHMPIDtrack(*pTrk); //create a hmpid track to be used for propagation and matching
162 bz=AliTracker::GetBz();
163//initial flags for HMPID ESD infos
164 pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
165 pTrk->SetHMPIDmip(0,0,0,0); //store mip info in any case
166 pTrk->SetHMPIDcluIdx(99,99999); //chamber not found, mip not yet considered
167 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
168
169 Int_t ipCh=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi); //find the intersected chamber for this track
170 if(ipCh<0) {delete hmpTrk;hmpTrk=0x0;continue;} //no intersection at all, go after next track
171
172 pTrk->SetHMPIDtrk(xPc,yPc,theta,phi); //store initial infos
173 pTrk->SetHMPIDcluIdx(ipCh,9999); //set chamber, index of cluster + cluster size
174
175// track intersects the chamber ipCh: find the MIP
176
177 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
178 nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
179 nClusCh[ipCh] = nMipClusTot;
180
181 if(nMipClusTot==0) {delete hmpTrk;hmpTrk=0x0;continue;}
182
183 Int_t index=-1; //index of the "best" matching cluster
184
185 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
186
187 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
188// evaluate qThre
189 if(tsRight){
190 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) {
191 qthre=((TF1*)pQthre->At(pClu->Ch()))->Eval(ts); //
192 } else { // in the past just 1 qthre
193 hvsec = pParam->InHVSector(pClu->Y()); // per chamber
194 if(hvsec>=0) qthre=((TF1*)pQthre->At(6*ipCh+hvsec))->Eval(ts); //
195 }
196 } else qthre = pParam->QCut();
197
198//
199 if(pClu->Q()<qthre) continue; //charge compartible with MIP clusters
200 isOkQcut = kTRUE;
201//
202 cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y(); //get the LORS coordinates of the cluster
203 Double_t dist = TMath::Sqrt((xPc-cluLORS[0])*(xPc-cluLORS[0])+(yPc-cluLORS[1])*(yPc-cluLORS[1]));
204
205 if(dist<dmin) {
206 dmin = dist;
207 index=iClu;
208 bestHmpCluster=pClu;
209 }
210 } // clusters loop
211
212 if(!isOkQcut) {
213 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
214 delete hmpTrk;hmpTrk=0x0; continue;
215 }
216
217 Double_t radius = (pParam->Lors2Mars(ipCh,pParam->SizeAllX()/2,pParam->SizeAllY()/2)).Mag();
218
219 if(!AliTracker::PropagateTrackToBxByBz(hmpTrk,radius,pTrk->GetMass(),1,kFALSE)) {delete hmpTrk;hmpTrk=0x0;continue;}
220
221 if(!hmpTrk->PropagateTo(bestHmpCluster)) {delete hmpTrk;hmpTrk=0x0;continue;}
222
223 Int_t cluSiz = bestHmpCluster->Size();
224 pTrk->SetHMPIDmip(bestHmpCluster->X(),bestHmpCluster->Y(),(Int_t)bestHmpCluster->Q(),0); //store mip info in any case
225 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set chamber, index of cluster + cluster size
226
227 if(AliHMPIDReconstructor::GetRecoParam()) //retrieve distance cut
228 {
229 if(AliHMPIDReconstructor::GetRecoParam()->IsFixedDistCut()==kTRUE) //distance cut is fixed number
230 {
231 distCut=AliHMPIDReconstructor::GetRecoParam()->GetHmpTrackMatchingDist();
232 }
233 else
234 {
235 for(Int_t ipar=0;ipar<5;ipar++) distParams[ipar]=AliHMPIDReconstructor::GetRecoParam()->GetHmpTrackMatchingDistParam(ipar); //prevision: distance cut is function of momentum
236 distCut=distParams[0]+distParams[1]*TMath::Power(distParams[2]*pTrk->GetP(),distParams[3]); //prevision: change functional form to be more precise
237 }
238 }
239 else {distCut=pParam->DistCut();}
240
241 if(dmin < distCut) {
242 isOkDcut = kTRUE;
243 }
244
245 if(!isOkDcut) {
246 pTrk->SetHMPIDsignal(pParam->kMipDistCut); //closest cluster with enough charge is still too far from intersection
247 }
248
249 if(isOkQcut*isOkDcut) isMatched = kTRUE; // MIP-Track matched !!
250
251 if(!isMatched) {delete hmpTrk;hmpTrk=0x0;continue;} // If matched continue...
252
253 Bool_t isOk = hmpTrk->Update(bestHmpCluster,0.1,0);
254 if(!isOk) {delete hmpTrk;hmpTrk=0x0;continue;}
255 pTrk->SetOuterHmpParam(hmpTrk,AliESDtrack::kHMPIDout);
256
257 FillResiduals(hmpTrk,bestHmpCluster,kFALSE);
258
259 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
260
261 //evaluate nMean
262 if(tsRight){
263 if(pNmean->GetEntries()==21) { //for backward compatibility
264 nmean=((TF1*)pNmean->At(3*ipCh))->Eval(ts); //C6F14 Nmean for this chamber
265 } else {
266 if(iRad < 0) {
267 nmean = -1;
268 } else {
269 Double_t tLow = ((TF1*)pNmean->At(6*ipCh+2*iRad ))->Eval(ts); //C6F14 low temp for this chamber
270 Double_t tHigh = ((TF1*)pNmean->At(6*ipCh+2*iRad+1))->Eval(ts); //C6F14 high temp for this chamber
271 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
272 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
273 }
274 if(nmean < 0){ //track didn' t pass through the radiator
275 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
276 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set index of cluster
277 delete hmpTrk;hmpTrk=0x0;
278 continue;
279 }
280 }
281 } else nmean = pParam->MeanIdxRad();
282
283 //
284 recon.SetImpPC(xPc,yPc); //store track impact to PC
285 recon.CkovAngle(pTrk,(TClonesArray *)pClus->At(ipCh),index,nmean,xRa,yRa); //search for Cerenkov angle of this track
286
287 if(pTrk->GetHMPIDsignal()<0) {delete hmpTrk;hmpTrk=0x0;continue;}
288
289 AliHMPIDPid pID;
290 Double_t prob[5];
291 pID.FindPid(pTrk,5,prob);
292 pTrk->SetHMPIDpid(prob);
293// Printf(" Prob e- %6.2f mu %6.2f pi %6.2f k %6.2f p %6.2f",prob[0]*100,prob[1]*100,prob[2]*100,prob[3]*100,prob[4]*100);
294 delete hmpTrk;hmpTrk=0x0;
295 }//iTrk
296
297 return 0; // error code: 0=no error;
298}//Recon()
299//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
300Int_t AliHMPIDTracker::ReconHiddenTrk(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
301{
302// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
303// Arguments: pEsd- pointer ESD; pClu- pointer to clusters for all chambers; pNmean - pointer to all function Nmean=f(time), pQthre - pointer to all function Qthre=f(time)
304// Returns: error code, 0 if no errors
305
306 AliHMPIDReconHTA reconHTA; //instance of reconstruction class, nothing important in ctor
307
308 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
309
310 Bool_t tsRight = kTRUE;
311
312 UInt_t tsmin = (UInt_t)((TF1*)pQthre->At(0))->GetXmin(); //
313 UInt_t tsmax = (UInt_t)((TF1*)pQthre->At(0))->GetXmax(); //
314 UInt_t ts = pEsd->GetTimeStamp();
315
316 if(ts<tsmin || ts>tsmax) {
317 AliWarning(Form(" in HMPID time stamp out of range!!! Please check!!! ts = %i",ts));
318 tsRight = kFALSE;
319 }
320
321 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
322
323 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //here it is simulated or just empty track
324 Int_t ipCh;
325 ipCh = pTrk->GetHMPIDcluIdx();ipCh/=1000000;
326 if(ipCh<0) continue;
327
328 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
329 Int_t nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
330
331 Double_t qMip=-1;
332 Int_t chMip=-1;
333 Double_t xMip = 0;
334 Double_t yMip = 0;
335 Int_t indMip = 0;
336 Int_t cluMipSiz = 0;
337
338 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
339
340 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
341 Double_t qClus = pClu->Q();
342 if(qClus>qMip) {
343 qMip = qClus;
344 chMip = pClu->Ch();
345 xMip = pClu->X();
346 yMip = pClu->Y();
347 indMip = iClu;
348 cluMipSiz = pClu->Size();
349 }
350 }//clus loop
351
352 if(chMip<0) return 1;
353
354 Int_t hvsec;
355 Double_t qthre=0;
356
357// evaluate qThre
358 if(tsRight){
359 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) { // just for backward compatibility
360 qthre=((TF1*)pQthre->At(chMip))->Eval(ts); //
361 } else { // in the past just 1 qthre
362 hvsec = pParam->InHVSector(yMip); // per chamber
363 if(hvsec>=0) qthre=((TF1*)pQthre->At(6*chMip+hvsec))->Eval(ts); //
364 }
365 } else qthre = pParam->QCut();
366//
367 if(qMip<qthre) {
368 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
369 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
370 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
371 return 1; //charge compatible with MIP clusters
372 }
373
374 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
375 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
376
377 Double_t yRa = yMip; //just an approx...
378 Double_t nmean;
379
380 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
381
382 //evaluate nMean
383 if(tsRight){
384 if(pNmean->GetEntries()==21) { //for backward compatibility
385 nmean=((TF1*)pNmean->At(3*chMip))->Eval(ts); //C6F14 Nmean for this chamber
386 } else {
387 if(iRad < 0) {
388 nmean = -1;
389 } else {
390 Double_t tLow = ((TF1*)pNmean->At(6*chMip+2*iRad ))->Eval(ts); //C6F14 low temp for this chamber
391 Double_t tHigh = ((TF1*)pNmean->At(6*chMip+2*iRad+1))->Eval(ts); //C6F14 high temp for this chamber
392 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
393 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
394 }
395 if(nmean < 0){ //track didn' t pass through the radiator
396 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
397 return 1;
398 }
399 }
400 } else nmean = pParam->MeanIdxRad();
401 //
402 if(!reconHTA.CkovHiddenTrk(pTrk,(TClonesArray *)pClus->At(ipCh),indMip,nmean)) { //search for track parameters and Cerenkov angle of this track
403 AliHMPIDPid pID;
404 Double_t prob[5];
405 pID.FindPid(pTrk,5,prob);
406 pTrk->SetHMPIDpid(prob);
407 }
408// Printf(" Prob e- %6.2f mu %6.2f pi %6.2f k %6.2f p %6.2f",prob[0]*100,prob[1]*100,prob[2]*100,prob[3]*100,prob[4]*100);
409 }//iTrk
410
411 return 0; // error code: 0=no error;
412
413}//Recon()
414//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
415void AliHMPIDTracker::FillClusterArray(TObjArray* array) const {
416
417 // Publishes all pointers to clusters known to the tracker into the
418 // passed object array.
419 // The ownership is not transfered - the caller is not expected to delete
420 // the clusters
421
422 for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
423 TClonesArray *pCluArr=(TClonesArray*)(*fClu)[iCh];
424 for (Int_t iClu=0; iClu<pCluArr->GetEntriesFast();iClu++){
425 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluArr->UncheckedAt(iClu);
426 array->AddLast(pClu);
427 }//cluster loop in iCh
428 pCluArr->Delete();
429 }//Ch loop
430
431 return;
432}
433//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++