]> git.uio.no Git - u/mrichter/AliRoot.git/blame - HMPID/AliHMPIDTracker.cxx
expanding compnent statistic structure to store cycle time
[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;
2247c219 42 iClu = iClu%1000; //GetHMPIDcluIdx -> 1e+6*ch + 1e+3*clusize + cluIdx;
43 point.SetVolumeID(AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,iCham));//layer and chamber number
94b1fbfa 44 TClonesArray *pArr=(TClonesArray*)(*fClu)[iCham];
45 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pArr->UncheckedAt(iClu);//get pointer to cluster
2247c219 46 Float_t xyz[3];
47 pClu->GetGlobalXYZ(xyz);
48 Float_t cov[6];
49 pClu->GetGlobalCov(cov);
50 point.SetXYZ(xyz,cov);
d3da6dc4 51 return kTRUE;
59d9d4b3 52}//GetTrackPoint()
53//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
39cd22e6 54Int_t AliHMPIDTracker::IntTrkCha(AliESDtrack *pTrk,Float_t &xPc,Float_t &yPc,Float_t &xRa,Float_t &yRa,Float_t &theta,Float_t &phi)
59d9d4b3 55{
56// Static method to find intersection in between given track and HMPID chambers
57// Arguments: pTrk- ESD track; xPc,yPc- track intersection with PC in LORS [cm]
58// Returns: intersected chamber ID or -1
59 AliHMPIDParam *pParam=AliHMPIDParam::Instance();
ae5a42aa 60 for(Int_t i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){ //chambers loop
59d9d4b3 61 Double_t p1[3],n1[3]; pParam->Norm(i,n1); pParam->Point(i,p1,AliHMPIDParam::kRad); //point & norm for middle of radiator plane
62 Double_t p2[3],n2[3]; pParam->Norm(i,n2); pParam->Point(i,p2,AliHMPIDParam::kPc); //point & norm for entrance to PC plane
63 if(pTrk->Intersect(p1,n1,-GetBz())==kFALSE) continue; //try to intersect track with the middle of radiator
64 if(pTrk->Intersect(p2,n2,-GetBz())==kFALSE) continue; //try to intersect track with PC
65 pParam->Mars2LorsVec(i,n1,theta,phi); //track angles at RAD
66 pParam->Mars2Lors (i,p1,xRa,yRa); //TRKxRAD position
67 pParam->Mars2Lors (i,p2,xPc,yPc); //TRKxPC position
39cd22e6 68 if(AliHMPIDParam::IsInside(xPc,yPc,pParam->DistCut())==kTRUE) return i; //return intersected chamber
59d9d4b3 69 } //chambers loop
39cd22e6 70 return -1; //no intersection with HMPID chambers
59d9d4b3 71}//IntTrkCha()
d3da6dc4 72//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
496c71b0 73Int_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)
74{
75// Static method to find intersection in between given track and HMPID chambers
76// Arguments: pTrk- HMPID track; xPc,yPc- track intersection with PC in LORS [cm]
77// Returns: intersected chamber ID or -1
78 AliHMPIDParam *pParam=AliHMPIDParam::Instance();
79 Double_t p1[3],n1[3];
80 pParam->Norm(ch,n1);
81 pParam->Point(ch,p1,AliHMPIDParam::kRad); //point & norm for middle of radiator plane
82 Double_t p2[3],n2[3];
83 pParam->Norm(ch,n2);
84 pParam->Point(ch,p2,AliHMPIDParam::kPc); //point & norm for entrance to PC plane
85 if(pTrk->Intersect(pTrk,p1,n1)==kFALSE) return -1; //try to intersect track with the middle of radiator
86 if(pTrk->Intersect(pTrk,p2,n2)==kFALSE) return -1;
87 pParam->Mars2LorsVec(ch,n1,theta,phi); //track angles at RAD
88 pParam->Mars2Lors (ch,p1,xRa,yRa); //TRKxRAD position
89 pParam->Mars2Lors (ch,p2,xPc,yPc); //TRKxPC position
90 if(AliHMPIDParam::IsInside(xPc,yPc,pParam->DistCut())==kTRUE) return ch; //return intersected chamber
91 return -1; //no intersection with HMPID chambers
92}//IntTrkCha()
93//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
d3da6dc4 94Int_t AliHMPIDTracker::LoadClusters(TTree *pCluTree)
95{
59d9d4b3 96// Interface callback methode invoked from AliReconstruction::RunTracking() to load HMPID clusters before PropagateBack() gets control. Done once per event.
d3da6dc4 97// Arguments: pCluTree- pointer to clusters tree got by AliHMPIDLoader::LoadRecPoints("read") then AliHMPIDLoader::TreeR()
98// Returns: error code (currently ignored in AliReconstruction::RunTraking())
ae5a42aa 99 for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) pCluTree->SetBranchAddress(Form("HMPID%d",i),&((*fClu)[i]));
94b1fbfa 100 pCluTree->GetEntry(0);
94b1fbfa 101 return 0;
59d9d4b3 102}//LoadClusters()
d3da6dc4 103//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
af885e0f 104Int_t AliHMPIDTracker::PropagateBack(AliESDEvent *pEsd)
abb5f786 105{
59d9d4b3 106// Interface pure virtual in AliTracker. Invoked from AliReconstruction::RunTracking() after invocation of AliTracker::LoadClusters() once per event
abb5f786 107// Agruments: pEsd - pointer to ESD
108// Returns: error code
f455af6e 109 AliCDBEntry *pNmeanEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Nmean"); //contains TObjArray of 42 TF1 + 1 EPhotMean
49881df7 110 AliCDBEntry *pQthreEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Qthre"); //contains TObjArray of 42 (7ch * 6sec) TF1
0a7c7084 111 if(!pNmeanEnt) AliError("No Nmean C6F14 ");
112 if(!pQthreEnt) AliError("No Qthre");
94b1fbfa 113
afe12692 114 return Recon(pEsd,fClu,(TObjArray*)pNmeanEnt->GetObject(),(TObjArray*)pQthreEnt->GetObject());
611e810d 115}//PropagateBack()
abb5f786 116//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
afe12692 117Int_t AliHMPIDTracker::Recon(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
d3da6dc4 118{
59d9d4b3 119// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
120// Arguments: pEsd- pointer ESD; pClu- pointer to clusters for all chambers; pNmean - pointer to all function Nmean=f(time)
d3da6dc4 121// Returns: error code, 0 if no errors
496c71b0 122
123 AliHMPIDRecon recon; //instance of reconstruction class, nothing important in ctor
39cd22e6 124 Float_t xPc,yPc,xRa,yRa,theta,phi;
496c71b0 125 Double_t cluLORS[2]={0},cluMARS[3]={0},trkMARS[3]={0};
126// Double_t bestcluMARS[3]={0,0,0};
127 Double_t radClu,radInitTrk;
128 Int_t nMipClusTot=0;
129 Double_t d3d=0,dmin=999999,bz=0;
130 Bool_t isMatched=kFALSE;
496c71b0 131 Int_t cluSiz=0;
132 Double_t qthre = 0; Double_t nmean=0; Int_t cham=0; Int_t hvsec=0;
133 Int_t index=0; //index of the "best" matching cluster
134 Double_t bestChi2=-1; //Chi2 of the "best" matching cluster
135 Double_t chi2=0;
136 Int_t nClusCh[AliHMPIDParam::kMaxCh+1];
137 Bool_t isOkQcut=kFALSE;
138 Bool_t isOkDcut=kFALSE;
139
140 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
141
142 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
af291e40 143 isMatched=kFALSE;dmin=999999;bestChi2=99999;chi2=99999;cluSiz=0; //init. track matching params
496c71b0 144 isOkQcut = kFALSE;
145 AliHMPIDCluster *bestHmpCluster=0x0; //the best matching cluster
146 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //get reconstructed track
147 AliHMPIDtrack *hmpTrk = new AliHMPIDtrack(*pTrk); //create a hmpid track to be used for propagation and matching
148 bz=AliTracker::GetBz();
149
af291e40 150 Int_t ipCh=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi); //find the intersected chamber for this track
496c71b0 151 if(ipCh<0) { //no intersection at all, go after next track
152 pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
153 pTrk->SetHMPIDcluIdx (99,99999); //chamber not found, mip not yet considered
154 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
155 continue;
156 }
157
158// track intersects the chamber ipCh: find the MIP
159
160 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
161 nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
162 nClusCh[ipCh] = nMipClusTot;
163
164 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
165
166 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
167// evaluate qThre
168 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) { // just for backward compatibility
169 qthre=((TF1*)pQthre->At(pClu->Ch()))->Eval(pEsd->GetTimeStamp()); //
170 } else { // in the past just 1 qthre
171 hvsec = pParam->InHVSector(pClu->Y()); // per chamber
172 if(hvsec>=0)
173 qthre=((TF1*)pQthre->At(6*cham+hvsec))->Eval(pEsd->GetTimeStamp()); //
174 } //
175//
176 if(pClu->Q()<qthre) continue; //charge compartible with MIP clusters
177 isOkQcut = kTRUE;
178
179 cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y(); //get the LORS coordinates of the cluster
180 pParam->Lors2Mars(ipCh,cluLORS[0],cluLORS[1],cluMARS); //convert cluster coors. from LORS to MARS
181 radClu=TMath::Sqrt(cluMARS[0]*cluMARS[0]+cluMARS[1]*cluMARS[1]); //radial distance of candidate cluster in MARS
182 Double_t trkx0[3];
183 hmpTrk->GetXYZ(trkx0); //get track position in MARS
184 radInitTrk=TMath::Sqrt(trkx0[0]*trkx0[0]+trkx0[1]*trkx0[1]);
185 hmpTrk->PropagateToR(radClu,10);
186 hmpTrk->GetXYZ(trkx0); //get track position in MARS
187 hmpTrk->GetXYZAt(radClu,bz,trkMARS); //get the track coordinates at the rad distance after prop.
188 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]));
189 chi2=hmpTrk->GetPredictedChi2(pClu);
190 if(dmin > d3d ) { //to be saved for the moment...
191 cluSiz = pClu->Size();
192 dmin=d3d;
496c71b0 193 bestHmpCluster=pClu;
194 index=iClu;
195 bestChi2=chi2;
196 cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y();
197// pParam->Lors2Mars(ipCh,cluLORS[0],cluLORS[1],bestcluMARS);
198 }//global dmin cut
199 }//clus loop
200
299f06bd 201 pTrk->SetHMPIDmip(0,0,0,0); //store mip info in any case
202
496c71b0 203 if(!isOkQcut) {
204 pTrk->SetHMPIDcluIdx(ipCh,9999);
205 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
206 continue;
207 }
208
209 if(dmin < pParam->DistCut()) {
210 isOkDcut = kTRUE;
211 }
212
213 if(!isOkDcut) {
299f06bd 214 pTrk->SetHMPIDmip(bestHmpCluster->X(),bestHmpCluster->Y(),(Int_t)bestHmpCluster->Q(),0); //store mip info in any case
496c71b0 215 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set chamber, index of cluster + cluster size
216 pTrk->SetHMPIDsignal(pParam->kMipDistCut); //closest cluster with enough charge is still too far from intersection
217 }
218
219 if(isOkQcut*isOkDcut) isMatched = kTRUE; // MIP-Track matched !!
220
221 if(!isMatched) continue; // If matched continue...
222
223 Int_t indexAll = 0;
af291e40 224 for(Int_t iC=0;iC<ipCh;iC++) indexAll+=nClusCh[iC]; indexAll+=index; //to be verified...
496c71b0 225
226 Bool_t isOk = hmpTrk->Update(bestHmpCluster,bestChi2,indexAll);
227 if(!isOk) continue;
918772cf 228 pTrk->SetOuterParam(hmpTrk,AliESDtrack::kHMPIDout);
496c71b0 229
af291e40 230// cham=IntTrkCha(ipCh,hmpTrk,xPc,yPc,xRa,yRa,theta,phi);
496c71b0 231 cham=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi);
232 if(cham<0) { //no intersection at all, go after next track
39cd22e6 233 pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
234 pTrk->SetHMPIDcluIdx (99,99999); //chamber not found, mip not yet considered
235 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
236 continue;
237 }
496c71b0 238
39cd22e6 239 pTrk->SetHMPIDtrk(xRa,yRa,theta,phi); //store initial infos
496c71b0 240 //evaluate nMean
241 if(pNmean->GetEntries()==21) { //for backward compatibility
242 nmean=((TF1*)pNmean->At(3*cham))->Eval(pEsd->GetTimeStamp()); //C6F14 Nmean for this chamber
243 } else {
244 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
0a7c7084 245 if(iRad < 0) {
246 nmean = -1;
247 } else {
496c71b0 248 Double_t tLow = ((TF1*)pNmean->At(6*cham+2*iRad ))->Eval(pEsd->GetTimeStamp()); //C6F14 low temp for this chamber
249 Double_t tHigh = ((TF1*)pNmean->At(6*cham+2*iRad+1))->Eval(pEsd->GetTimeStamp()); //C6F14 high temp for this chamber
250 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
251 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
0a7c7084 252 }
496c71b0 253 if(nmean < 0){ //track didn' t pass through the radiator
254 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
255 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set index of cluster
256 continue;
257 }
258 }
259 //
a591e55f 260 recon.SetImpPC(xPc,yPc); //store track impact to PC
496c71b0 261 recon.CkovAngle(pTrk,(TClonesArray *)pClus->At(cham),index,nmean); //search for Cerenkov angle of this track
e56b695f 262
263 AliHMPIDPid pID;
264 Double_t prob[5];
265 pID.FindPid(pTrk,5,prob);
266 pTrk->SetHMPIDpid(prob);
267// 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);
268
496c71b0 269 }//iTrk
270
d3da6dc4 271 return 0; // error code: 0=no error;
611e810d 272}//Recon()
273//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
9785d5fb 274Int_t AliHMPIDTracker::ReconHiddenTrk(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
611e810d 275{
276// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
afe12692 277// 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 278// Returns: error code, 0 if no errors
9785d5fb 279
280 AliHMPIDReconHTA reconHTA; //instance of reconstruction class, nothing important in ctor
281
282 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
283
284 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
285
286 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //here it is simulated or just empty track
287 Int_t ipCh;
288 ipCh = pTrk->GetHMPIDcluIdx();ipCh/=1000000;
289 if(ipCh<0) continue;
290
291 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
292 Int_t nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
293
294 Double_t qMip=-1;
295 Int_t chMip=-1;
ee2f3539 296 Double_t xMip = 0;
297 Double_t yMip = 0;
298 Int_t indMip = 0;
299 Int_t cluMipSiz = 0;
9785d5fb 300
301 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
302
303 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
304 Double_t qClus = pClu->Q();
305 if(qClus>qMip) {
306 qMip = qClus;
307 chMip = pClu->Ch();
308 xMip = pClu->X();
309 yMip = pClu->Y();
310 indMip = iClu;
311 cluMipSiz = pClu->Size();
312 }
313 }//clus loop
314
315 if(chMip<0) return 1;
316
317 Int_t hvsec;
ee2f3539 318 Double_t qthre=0;
9785d5fb 319// evaluate qThre
320 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) { // just for backward compatibility
321 qthre=((TF1*)pQthre->At(chMip))->Eval(pEsd->GetTimeStamp()); //
322 } else { // in the past just 1 qthre
323 hvsec = pParam->InHVSector(yMip); // per chamber
324 if(hvsec>=0) qthre=((TF1*)pQthre->At(6*chMip+hvsec))->Eval(pEsd->GetTimeStamp()); //
325 }
326//
327 if(qMip<qthre) {
328 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
329 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
330 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
331 return 1; //charge compatible with MIP clusters
332 }
333
334 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
335 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
336
337 Double_t yRa = yMip; //just an approx...
338 Double_t nmean;
339 //evaluate nMean
340 if(pNmean->GetEntries()==21) { //for backward compatibility
341 nmean=((TF1*)pNmean->At(3*chMip))->Eval(pEsd->GetTimeStamp()); //C6F14 Nmean for this chamber
342 } else {
343 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
344 if(iRad < 0) {
345 nmean = -1;
346 } else {
347 Double_t tLow = ((TF1*)pNmean->At(6*chMip+2*iRad ))->Eval(pEsd->GetTimeStamp()); //C6F14 low temp for this chamber
348 Double_t tHigh = ((TF1*)pNmean->At(6*chMip+2*iRad+1))->Eval(pEsd->GetTimeStamp()); //C6F14 high temp for this chamber
349 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
350 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
351 }
352 if(nmean < 0){ //track didn' t pass through the radiator
353 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
354 return 1;
355 }
356 }
357 //
ee2f3539 358 if(!reconHTA.CkovHiddenTrk(pTrk,(TClonesArray *)pClus->At(ipCh),indMip,nmean)) { //search for track parameters and Cerenkov angle of this track
359 AliHMPIDPid pID;
360 Double_t prob[5];
361 pID.FindPid(pTrk,5,prob);
362 pTrk->SetHMPIDpid(prob);
363 }
e56b695f 364// 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 365 }//iTrk
366
367 return 0; // error code: 0=no error;
368
611e810d 369}//Recon()
d3da6dc4 370//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
c1af14f7 371void AliHMPIDTracker::FillClusterArray(TObjArray* array) const {
372
373 // Publishes all pointers to clusters known to the tracker into the
374 // passed object array.
375 // The ownership is not transfered - the caller is not expected to delete
376 // the clusters
377
378 for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
379 TClonesArray *pCluArr=(TClonesArray*)(*fClu)[iCh];
380 for (Int_t iClu=0; iClu<pCluArr->GetEntriesFast();iClu++){
381 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluArr->UncheckedAt(iClu);
382 array->AddLast(pClu);
383 }//cluster loop in iCh
384 pCluArr->Delete();
385 }//Ch loop
386
387 return;
388}
389//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++