New library PHOSUtils and releated changes (Dmitri)
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDTracker.cxx
CommitLineData
3c6274c1 1#include "AliHMPIDTracker.h" //class header
e56b695f 2#include "AliHMPIDtrack.h" //class header
3c6274c1 3#include "AliHMPIDCluster.h" //GetTrackPoint(),PropagateBack()
4#include "AliHMPIDParam.h" //GetTrackPoint(),PropagateBack()
e56b695f 5#include "AliHMPIDPid.h" //Recon(),reconHTA()
59d9d4b3 6#include "AliHMPIDRecon.h" //Recon()
57fcdc2b 7#include "AliHMPIDReconHTA.h" //ReconHTA()
8#include <AliESDEvent.h> //PropagateBack(),Recon()
9#include <AliESDtrack.h> //Intersect()
d3da6dc4 10#include <AliRun.h> //GetTrackPoint(),PropagateBack()
11#include <AliTrackPointArray.h> //GetTrackPoint()
12#include <AliAlignObj.h> //GetTrackPoint()
59d9d4b3 13#include <AliCDBManager.h> //PropageteBack()
14#include <AliCDBEntry.h> //PropageteBack()
423554a3 15//.
16// HMPID base class fo tracking
17//.
18//.
19//.
d3da6dc4 20ClassImp(AliHMPIDTracker)
94b1fbfa 21//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
c61a7285 22AliHMPIDTracker::AliHMPIDTracker():
23 AliTracker(),
24 fClu(new TObjArray(AliHMPIDParam::kMaxCh+1))
94b1fbfa 25{
59d9d4b3 26// ctor. Create TObjArray of TClonesArray of AliHMPIDCluster
27//
28//
c61a7285 29 fClu->SetOwner(kTRUE);
ae5a42aa 30 for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) fClu->AddAt(new TClonesArray("AliHMPIDCluster"),i);
59d9d4b3 31}//ctor
d3da6dc4 32//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
33Bool_t AliHMPIDTracker::GetTrackPoint(Int_t idx, AliTrackPoint& point) const
34{
35// Interface callback methode invoked from AliReconstruction::WriteAlignmentData() to get position of MIP cluster in MARS associated to a current track.
36// MIP cluster is reffered by index which is stored in AliESDtrack ???????
37// Arguments: idx- cluster index which is stored by HMPID in AliESDtrack
38// point- reference to the object where to store the point
39// Returns: status of operation if FALSE then AliReconstruction::WriteAlignmentData() do not store this point to array of points for current track.
40 if(idx<0) return kFALSE; //no MIP cluster assigned to this track in PropagateBack()
59d9d4b3 41 Int_t iCham=idx/1000000; Int_t iClu=idx%1000000;
ae079791 42 point.SetVolumeID(AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,iCham-1));//layer and chamber number
94b1fbfa 43 TClonesArray *pArr=(TClonesArray*)(*fClu)[iCham];
44 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pArr->UncheckedAt(iClu);//get pointer to cluster
d3da6dc4 45 Double_t mars[3];
46 AliHMPIDParam::Instance()->Lors2Mars(iCham,pClu->X(),pClu->Y(),mars);
47 point.SetXYZ(mars[0],mars[1],mars[2]);
48 return kTRUE;
59d9d4b3 49}//GetTrackPoint()
50//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
39cd22e6 51Int_t AliHMPIDTracker::IntTrkCha(AliESDtrack *pTrk,Float_t &xPc,Float_t &yPc,Float_t &xRa,Float_t &yRa,Float_t &theta,Float_t &phi)
59d9d4b3 52{
53// Static method to find intersection in between given track and HMPID chambers
54// Arguments: pTrk- ESD track; xPc,yPc- track intersection with PC in LORS [cm]
55// Returns: intersected chamber ID or -1
56 AliHMPIDParam *pParam=AliHMPIDParam::Instance();
ae5a42aa 57 for(Int_t i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){ //chambers loop
59d9d4b3 58 Double_t p1[3],n1[3]; pParam->Norm(i,n1); pParam->Point(i,p1,AliHMPIDParam::kRad); //point & norm for middle of radiator plane
59 Double_t p2[3],n2[3]; pParam->Norm(i,n2); pParam->Point(i,p2,AliHMPIDParam::kPc); //point & norm for entrance to PC plane
60 if(pTrk->Intersect(p1,n1,-GetBz())==kFALSE) continue; //try to intersect track with the middle of radiator
61 if(pTrk->Intersect(p2,n2,-GetBz())==kFALSE) continue; //try to intersect track with PC
62 pParam->Mars2LorsVec(i,n1,theta,phi); //track angles at RAD
63 pParam->Mars2Lors (i,p1,xRa,yRa); //TRKxRAD position
64 pParam->Mars2Lors (i,p2,xPc,yPc); //TRKxPC position
39cd22e6 65 if(AliHMPIDParam::IsInside(xPc,yPc,pParam->DistCut())==kTRUE) return i; //return intersected chamber
59d9d4b3 66 } //chambers loop
39cd22e6 67 return -1; //no intersection with HMPID chambers
59d9d4b3 68}//IntTrkCha()
d3da6dc4 69//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
496c71b0 70Int_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)
71{
72// Static method to find intersection in between given track and HMPID chambers
73// Arguments: pTrk- HMPID track; xPc,yPc- track intersection with PC in LORS [cm]
74// Returns: intersected chamber ID or -1
75 AliHMPIDParam *pParam=AliHMPIDParam::Instance();
76 Double_t p1[3],n1[3];
77 pParam->Norm(ch,n1);
78 pParam->Point(ch,p1,AliHMPIDParam::kRad); //point & norm for middle of radiator plane
79 Double_t p2[3],n2[3];
80 pParam->Norm(ch,n2);
81 pParam->Point(ch,p2,AliHMPIDParam::kPc); //point & norm for entrance to PC plane
82 if(pTrk->Intersect(pTrk,p1,n1)==kFALSE) return -1; //try to intersect track with the middle of radiator
83 if(pTrk->Intersect(pTrk,p2,n2)==kFALSE) return -1;
84 pParam->Mars2LorsVec(ch,n1,theta,phi); //track angles at RAD
85 pParam->Mars2Lors (ch,p1,xRa,yRa); //TRKxRAD position
86 pParam->Mars2Lors (ch,p2,xPc,yPc); //TRKxPC position
87 if(AliHMPIDParam::IsInside(xPc,yPc,pParam->DistCut())==kTRUE) return ch; //return intersected chamber
88 return -1; //no intersection with HMPID chambers
89}//IntTrkCha()
90//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
d3da6dc4 91Int_t AliHMPIDTracker::LoadClusters(TTree *pCluTree)
92{
59d9d4b3 93// Interface callback methode invoked from AliReconstruction::RunTracking() to load HMPID clusters before PropagateBack() gets control. Done once per event.
d3da6dc4 94// Arguments: pCluTree- pointer to clusters tree got by AliHMPIDLoader::LoadRecPoints("read") then AliHMPIDLoader::TreeR()
95// Returns: error code (currently ignored in AliReconstruction::RunTraking())
ae5a42aa 96 for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) pCluTree->SetBranchAddress(Form("HMPID%d",i),&((*fClu)[i]));
94b1fbfa 97 pCluTree->GetEntry(0);
94b1fbfa 98 return 0;
59d9d4b3 99}//LoadClusters()
d3da6dc4 100//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
af885e0f 101Int_t AliHMPIDTracker::PropagateBack(AliESDEvent *pEsd)
abb5f786 102{
59d9d4b3 103// Interface pure virtual in AliTracker. Invoked from AliReconstruction::RunTracking() after invocation of AliTracker::LoadClusters() once per event
abb5f786 104// Agruments: pEsd - pointer to ESD
105// Returns: error code
f455af6e 106 AliCDBEntry *pNmeanEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Nmean"); //contains TObjArray of 42 TF1 + 1 EPhotMean
49881df7 107 AliCDBEntry *pQthreEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Qthre"); //contains TObjArray of 42 (7ch * 6sec) TF1
0a7c7084 108 if(!pNmeanEnt) AliError("No Nmean C6F14 ");
109 if(!pQthreEnt) AliError("No Qthre");
94b1fbfa 110
afe12692 111 return Recon(pEsd,fClu,(TObjArray*)pNmeanEnt->GetObject(),(TObjArray*)pQthreEnt->GetObject());
611e810d 112}//PropagateBack()
abb5f786 113//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
afe12692 114Int_t AliHMPIDTracker::Recon(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
d3da6dc4 115{
59d9d4b3 116// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
117// Arguments: pEsd- pointer ESD; pClu- pointer to clusters for all chambers; pNmean - pointer to all function Nmean=f(time)
d3da6dc4 118// Returns: error code, 0 if no errors
496c71b0 119
120 AliHMPIDRecon recon; //instance of reconstruction class, nothing important in ctor
39cd22e6 121 Float_t xPc,yPc,xRa,yRa,theta,phi;
496c71b0 122 Double_t cluLORS[2]={0},cluMARS[3]={0},trkMARS[3]={0};
123// Double_t bestcluMARS[3]={0,0,0};
124 Double_t radClu,radInitTrk;
125 Int_t nMipClusTot=0;
126 Double_t d3d=0,dmin=999999,bz=0;
127 Bool_t isMatched=kFALSE;
496c71b0 128 Int_t cluSiz=0;
129 Double_t qthre = 0; Double_t nmean=0; Int_t cham=0; Int_t hvsec=0;
130 Int_t index=0; //index of the "best" matching cluster
131 Double_t bestChi2=-1; //Chi2 of the "best" matching cluster
132 Double_t chi2=0;
133 Int_t nClusCh[AliHMPIDParam::kMaxCh+1];
134 Bool_t isOkQcut=kFALSE;
135 Bool_t isOkDcut=kFALSE;
136
137 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
138
139 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
af291e40 140 isMatched=kFALSE;dmin=999999;bestChi2=99999;chi2=99999;cluSiz=0; //init. track matching params
496c71b0 141 isOkQcut = kFALSE;
142 AliHMPIDCluster *bestHmpCluster=0x0; //the best matching cluster
143 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //get reconstructed track
144 AliHMPIDtrack *hmpTrk = new AliHMPIDtrack(*pTrk); //create a hmpid track to be used for propagation and matching
145 bz=AliTracker::GetBz();
146
af291e40 147 Int_t ipCh=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi); //find the intersected chamber for this track
496c71b0 148 if(ipCh<0) { //no intersection at all, go after next track
149 pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
150 pTrk->SetHMPIDcluIdx (99,99999); //chamber not found, mip not yet considered
151 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
152 continue;
153 }
154
155// track intersects the chamber ipCh: find the MIP
156
157 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
158 nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
159 nClusCh[ipCh] = nMipClusTot;
160
161 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
162
163 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
164// evaluate qThre
165 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) { // just for backward compatibility
166 qthre=((TF1*)pQthre->At(pClu->Ch()))->Eval(pEsd->GetTimeStamp()); //
167 } else { // in the past just 1 qthre
168 hvsec = pParam->InHVSector(pClu->Y()); // per chamber
169 if(hvsec>=0)
170 qthre=((TF1*)pQthre->At(6*cham+hvsec))->Eval(pEsd->GetTimeStamp()); //
171 } //
172//
173 if(pClu->Q()<qthre) continue; //charge compartible with MIP clusters
174 isOkQcut = kTRUE;
175
176 cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y(); //get the LORS coordinates of the cluster
177 pParam->Lors2Mars(ipCh,cluLORS[0],cluLORS[1],cluMARS); //convert cluster coors. from LORS to MARS
178 radClu=TMath::Sqrt(cluMARS[0]*cluMARS[0]+cluMARS[1]*cluMARS[1]); //radial distance of candidate cluster in MARS
179 Double_t trkx0[3];
180 hmpTrk->GetXYZ(trkx0); //get track position in MARS
181 radInitTrk=TMath::Sqrt(trkx0[0]*trkx0[0]+trkx0[1]*trkx0[1]);
182 hmpTrk->PropagateToR(radClu,10);
183 hmpTrk->GetXYZ(trkx0); //get track position in MARS
184 hmpTrk->GetXYZAt(radClu,bz,trkMARS); //get the track coordinates at the rad distance after prop.
185 d3d=TMath::Sqrt((cluMARS[0]-trkMARS[0])*(cluMARS[0]-trkMARS[0])+(cluMARS[1]-trkMARS[1])*(cluMARS[1]-trkMARS[1])+(cluMARS[2]-trkMARS[2])*(cluMARS[2]-trkMARS[2]));
186 chi2=hmpTrk->GetPredictedChi2(pClu);
187 if(dmin > d3d ) { //to be saved for the moment...
188 cluSiz = pClu->Size();
189 dmin=d3d;
496c71b0 190 bestHmpCluster=pClu;
191 index=iClu;
192 bestChi2=chi2;
193 cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y();
194// pParam->Lors2Mars(ipCh,cluLORS[0],cluLORS[1],bestcluMARS);
195 }//global dmin cut
196 }//clus loop
197
299f06bd 198 pTrk->SetHMPIDmip(0,0,0,0); //store mip info in any case
199
496c71b0 200 if(!isOkQcut) {
201 pTrk->SetHMPIDcluIdx(ipCh,9999);
202 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
203 continue;
204 }
205
206 if(dmin < pParam->DistCut()) {
207 isOkDcut = kTRUE;
208 }
209
210 if(!isOkDcut) {
299f06bd 211 pTrk->SetHMPIDmip(bestHmpCluster->X(),bestHmpCluster->Y(),(Int_t)bestHmpCluster->Q(),0); //store mip info in any case
496c71b0 212 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set chamber, index of cluster + cluster size
213 pTrk->SetHMPIDsignal(pParam->kMipDistCut); //closest cluster with enough charge is still too far from intersection
214 }
215
216 if(isOkQcut*isOkDcut) isMatched = kTRUE; // MIP-Track matched !!
217
218 if(!isMatched) continue; // If matched continue...
219
220 Int_t indexAll = 0;
af291e40 221 for(Int_t iC=0;iC<ipCh;iC++) indexAll+=nClusCh[iC]; indexAll+=index; //to be verified...
496c71b0 222
223 Bool_t isOk = hmpTrk->Update(bestHmpCluster,bestChi2,indexAll);
224 if(!isOk) continue;
918772cf 225 pTrk->SetOuterParam(hmpTrk,AliESDtrack::kHMPIDout);
496c71b0 226
af291e40 227// cham=IntTrkCha(ipCh,hmpTrk,xPc,yPc,xRa,yRa,theta,phi);
496c71b0 228 cham=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi);
229 if(cham<0) { //no intersection at all, go after next track
39cd22e6 230 pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
231 pTrk->SetHMPIDcluIdx (99,99999); //chamber not found, mip not yet considered
232 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
233 continue;
234 }
496c71b0 235
39cd22e6 236 pTrk->SetHMPIDtrk(xRa,yRa,theta,phi); //store initial infos
496c71b0 237 //evaluate nMean
238 if(pNmean->GetEntries()==21) { //for backward compatibility
239 nmean=((TF1*)pNmean->At(3*cham))->Eval(pEsd->GetTimeStamp()); //C6F14 Nmean for this chamber
240 } else {
241 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
0a7c7084 242 if(iRad < 0) {
243 nmean = -1;
244 } else {
496c71b0 245 Double_t tLow = ((TF1*)pNmean->At(6*cham+2*iRad ))->Eval(pEsd->GetTimeStamp()); //C6F14 low temp for this chamber
246 Double_t tHigh = ((TF1*)pNmean->At(6*cham+2*iRad+1))->Eval(pEsd->GetTimeStamp()); //C6F14 high temp for this chamber
247 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
248 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
0a7c7084 249 }
496c71b0 250 if(nmean < 0){ //track didn' t pass through the radiator
251 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
252 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set index of cluster
253 continue;
254 }
255 }
256 //
a591e55f 257 recon.SetImpPC(xPc,yPc); //store track impact to PC
496c71b0 258 recon.CkovAngle(pTrk,(TClonesArray *)pClus->At(cham),index,nmean); //search for Cerenkov angle of this track
e56b695f 259
260 AliHMPIDPid pID;
261 Double_t prob[5];
262 pID.FindPid(pTrk,5,prob);
263 pTrk->SetHMPIDpid(prob);
264// 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);
265
496c71b0 266 }//iTrk
267
d3da6dc4 268 return 0; // error code: 0=no error;
611e810d 269}//Recon()
270//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
9785d5fb 271Int_t AliHMPIDTracker::ReconHiddenTrk(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
611e810d 272{
273// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
afe12692 274// 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)
611e810d 275// Returns: error code, 0 if no errors
9785d5fb 276
277 AliHMPIDReconHTA reconHTA; //instance of reconstruction class, nothing important in ctor
278
279 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
280
281 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
282
283 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //here it is simulated or just empty track
284 Int_t ipCh;
285 ipCh = pTrk->GetHMPIDcluIdx();ipCh/=1000000;
286 if(ipCh<0) continue;
287
288 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
289 Int_t nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
290
291 Double_t qMip=-1;
292 Int_t chMip=-1;
ee2f3539 293 Double_t xMip = 0;
294 Double_t yMip = 0;
295 Int_t indMip = 0;
296 Int_t cluMipSiz = 0;
9785d5fb 297
298 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
299
300 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
301 Double_t qClus = pClu->Q();
302 if(qClus>qMip) {
303 qMip = qClus;
304 chMip = pClu->Ch();
305 xMip = pClu->X();
306 yMip = pClu->Y();
307 indMip = iClu;
308 cluMipSiz = pClu->Size();
309 }
310 }//clus loop
311
312 if(chMip<0) return 1;
313
314 Int_t hvsec;
ee2f3539 315 Double_t qthre=0;
9785d5fb 316// evaluate qThre
317 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) { // just for backward compatibility
318 qthre=((TF1*)pQthre->At(chMip))->Eval(pEsd->GetTimeStamp()); //
319 } else { // in the past just 1 qthre
320 hvsec = pParam->InHVSector(yMip); // per chamber
321 if(hvsec>=0) qthre=((TF1*)pQthre->At(6*chMip+hvsec))->Eval(pEsd->GetTimeStamp()); //
322 }
323//
324 if(qMip<qthre) {
325 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
326 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
327 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
328 return 1; //charge compatible with MIP clusters
329 }
330
331 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
332 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
333
334 Double_t yRa = yMip; //just an approx...
335 Double_t nmean;
336 //evaluate nMean
337 if(pNmean->GetEntries()==21) { //for backward compatibility
338 nmean=((TF1*)pNmean->At(3*chMip))->Eval(pEsd->GetTimeStamp()); //C6F14 Nmean for this chamber
339 } else {
340 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
341 if(iRad < 0) {
342 nmean = -1;
343 } else {
344 Double_t tLow = ((TF1*)pNmean->At(6*chMip+2*iRad ))->Eval(pEsd->GetTimeStamp()); //C6F14 low temp for this chamber
345 Double_t tHigh = ((TF1*)pNmean->At(6*chMip+2*iRad+1))->Eval(pEsd->GetTimeStamp()); //C6F14 high temp for this chamber
346 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
347 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
348 }
349 if(nmean < 0){ //track didn' t pass through the radiator
350 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
351 return 1;
352 }
353 }
354 //
ee2f3539 355 if(!reconHTA.CkovHiddenTrk(pTrk,(TClonesArray *)pClus->At(ipCh),indMip,nmean)) { //search for track parameters and Cerenkov angle of this track
356 AliHMPIDPid pID;
357 Double_t prob[5];
358 pID.FindPid(pTrk,5,prob);
359 pTrk->SetHMPIDpid(prob);
360 }
e56b695f 361// 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);
9785d5fb 362 }//iTrk
363
364 return 0; // error code: 0=no error;
365
611e810d 366}//Recon()
d3da6dc4 367//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
c1af14f7 368void AliHMPIDTracker::FillClusterArray(TObjArray* array) const {
369
370 // Publishes all pointers to clusters known to the tracker into the
371 // passed object array.
372 // The ownership is not transfered - the caller is not expected to delete
373 // the clusters
374
375 for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
376 TClonesArray *pCluArr=(TClonesArray*)(*fClu)[iCh];
377 for (Int_t iClu=0; iClu<pCluArr->GetEntriesFast();iClu++){
378 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluArr->UncheckedAt(iClu);
379 array->AddLast(pClu);
380 }//cluster loop in iCh
381 pCluArr->Delete();
382 }//Ch loop
383
384 return;
385}
386//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++