]> git.uio.no Git - u/mrichter/AliRoot.git/blame - HMPID/AliHMPIDTracker.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Adding track parameters at the HMPID. Corrections to the track extrapolation to the...
[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()
c38d443f 9#include <AliESDtrack.h> //Intersect()
10#include <AliTracker.h>
d3da6dc4 11#include <AliRun.h> //GetTrackPoint(),PropagateBack()
12#include <AliTrackPointArray.h> //GetTrackPoint()
13#include <AliAlignObj.h> //GetTrackPoint()
59d9d4b3 14#include <AliCDBManager.h> //PropageteBack()
15#include <AliCDBEntry.h> //PropageteBack()
423554a3 16//.
17// HMPID base class fo tracking
18//.
19//.
20//.
d3da6dc4 21ClassImp(AliHMPIDTracker)
94b1fbfa 22//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
c61a7285 23AliHMPIDTracker::AliHMPIDTracker():
24 AliTracker(),
25 fClu(new TObjArray(AliHMPIDParam::kMaxCh+1))
94b1fbfa 26{
59d9d4b3 27// ctor. Create TObjArray of TClonesArray of AliHMPIDCluster
28//
29//
c61a7285 30 fClu->SetOwner(kTRUE);
ae5a42aa 31 for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) fClu->AddAt(new TClonesArray("AliHMPIDCluster"),i);
59d9d4b3 32}//ctor
d3da6dc4 33//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
34Bool_t AliHMPIDTracker::GetTrackPoint(Int_t idx, AliTrackPoint& point) const
35{
36// Interface callback methode invoked from AliReconstruction::WriteAlignmentData() to get position of MIP cluster in MARS associated to a current track.
37// MIP cluster is reffered by index which is stored in AliESDtrack ???????
38// Arguments: idx- cluster index which is stored by HMPID in AliESDtrack
39// point- reference to the object where to store the point
40// Returns: status of operation if FALSE then AliReconstruction::WriteAlignmentData() do not store this point to array of points for current track.
41 if(idx<0) return kFALSE; //no MIP cluster assigned to this track in PropagateBack()
59d9d4b3 42 Int_t iCham=idx/1000000; Int_t iClu=idx%1000000;
2247c219 43 iClu = iClu%1000; //GetHMPIDcluIdx -> 1e+6*ch + 1e+3*clusize + cluIdx;
44 point.SetVolumeID(AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,iCham));//layer and chamber number
94b1fbfa 45 TClonesArray *pArr=(TClonesArray*)(*fClu)[iCham];
46 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pArr->UncheckedAt(iClu);//get pointer to cluster
2247c219 47 Float_t xyz[3];
48 pClu->GetGlobalXYZ(xyz);
49 Float_t cov[6];
50 pClu->GetGlobalCov(cov);
51 point.SetXYZ(xyz,cov);
d3da6dc4 52 return kTRUE;
59d9d4b3 53}//GetTrackPoint()
54//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
39cd22e6 55Int_t AliHMPIDTracker::IntTrkCha(AliESDtrack *pTrk,Float_t &xPc,Float_t &yPc,Float_t &xRa,Float_t &yRa,Float_t &theta,Float_t &phi)
59d9d4b3 56{
57// Static method to find intersection in between given track and HMPID chambers
58// Arguments: pTrk- ESD track; xPc,yPc- track intersection with PC in LORS [cm]
59// Returns: intersected chamber ID or -1
b4866751 60 AliHMPIDtrack *hmpTrk = new AliHMPIDtrack(*pTrk); //create a hmpid track to be used for propagation and matching
ae5a42aa 61 for(Int_t i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++){ //chambers loop
b4866751 62 Int_t chInt = IntTrkCha(i,hmpTrk,xPc,yPc,xRa,yRa,theta,phi);
63 if(chInt>=0) {delete hmpTrk;hmpTrk=0x0;return chInt;}
59d9d4b3 64 } //chambers loop
b4866751 65 delete hmpTrk; hmpTrk=0x0;
39cd22e6 66 return -1; //no intersection with HMPID chambers
59d9d4b3 67}//IntTrkCha()
d3da6dc4 68//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
496c71b0 69Int_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)
70{
71// Static method to find intersection in between given track and HMPID chambers
72// Arguments: pTrk- HMPID track; xPc,yPc- track intersection with PC in LORS [cm]
73// Returns: intersected chamber ID or -1
74 AliHMPIDParam *pParam=AliHMPIDParam::Instance();
75 Double_t p1[3],n1[3];
76 pParam->Norm(ch,n1);
77 pParam->Point(ch,p1,AliHMPIDParam::kRad); //point & norm for middle of radiator plane
78 Double_t p2[3],n2[3];
b4866751 79 pParam->Norm(ch,n2);
496c71b0 80 pParam->Point(ch,p2,AliHMPIDParam::kPc); //point & norm for entrance to PC plane
97a4d538 81 if(pTrk->Intersect(p1,n1)==kFALSE) return -1; //try to intersect track with the middle of radiator
82 if(pTrk->Intersect(p2,n2)==kFALSE) return -1;
496c71b0 83 pParam->Mars2LorsVec(ch,n1,theta,phi); //track angles at RAD
84 pParam->Mars2Lors (ch,p1,xRa,yRa); //TRKxRAD position
85 pParam->Mars2Lors (ch,p2,xPc,yPc); //TRKxPC position
86 if(AliHMPIDParam::IsInside(xPc,yPc,pParam->DistCut())==kTRUE) return ch; //return intersected chamber
87 return -1; //no intersection with HMPID chambers
88}//IntTrkCha()
89//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
d3da6dc4 90Int_t AliHMPIDTracker::LoadClusters(TTree *pCluTree)
91{
59d9d4b3 92// Interface callback methode invoked from AliReconstruction::RunTracking() to load HMPID clusters before PropagateBack() gets control. Done once per event.
d3da6dc4 93// Arguments: pCluTree- pointer to clusters tree got by AliHMPIDLoader::LoadRecPoints("read") then AliHMPIDLoader::TreeR()
94// Returns: error code (currently ignored in AliReconstruction::RunTraking())
ae5a42aa 95 for(int i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) pCluTree->SetBranchAddress(Form("HMPID%d",i),&((*fClu)[i]));
94b1fbfa 96 pCluTree->GetEntry(0);
94b1fbfa 97 return 0;
59d9d4b3 98}//LoadClusters()
d3da6dc4 99//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
af885e0f 100Int_t AliHMPIDTracker::PropagateBack(AliESDEvent *pEsd)
abb5f786 101{
59d9d4b3 102// Interface pure virtual in AliTracker. Invoked from AliReconstruction::RunTracking() after invocation of AliTracker::LoadClusters() once per event
abb5f786 103// Agruments: pEsd - pointer to ESD
104// Returns: error code
f455af6e 105 AliCDBEntry *pNmeanEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Nmean"); //contains TObjArray of 42 TF1 + 1 EPhotMean
49881df7 106 AliCDBEntry *pQthreEnt =AliCDBManager::Instance()->Get("HMPID/Calib/Qthre"); //contains TObjArray of 42 (7ch * 6sec) TF1
0a7c7084 107 if(!pNmeanEnt) AliError("No Nmean C6F14 ");
108 if(!pQthreEnt) AliError("No Qthre");
94b1fbfa 109
afe12692 110 return Recon(pEsd,fClu,(TObjArray*)pNmeanEnt->GetObject(),(TObjArray*)pQthreEnt->GetObject());
611e810d 111}//PropagateBack()
abb5f786 112//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
afe12692 113Int_t AliHMPIDTracker::Recon(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
d3da6dc4 114{
59d9d4b3 115// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
116// Arguments: pEsd- pointer ESD; pClu- pointer to clusters for all chambers; pNmean - pointer to all function Nmean=f(time)
d3da6dc4 117// Returns: error code, 0 if no errors
496c71b0 118
119 AliHMPIDRecon recon; //instance of reconstruction class, nothing important in ctor
39cd22e6 120 Float_t xPc,yPc,xRa,yRa,theta,phi;
43e51ec6 121 Double_t cluLORS[2]={0};
122// Double_t cluMARS[3]={0},trkMARS[3]={0};
496c71b0 123// Double_t bestcluMARS[3]={0,0,0};
43e51ec6 124// Double_t radClu,radInitTrk;
496c71b0 125 Int_t nMipClusTot=0;
43e51ec6 126// Double_t d3d=0;
84770d7b 127 Double_t qthre = 0; Double_t nmean=0; Int_t hvsec=0;
496c71b0 128 Int_t nClusCh[AliHMPIDParam::kMaxCh+1];
496c71b0 129
130 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
131
132 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
c38d443f 133
43e51ec6 134// Double_t bestChi2=99999;chi2=99999; //init. track matching params
135 Double_t dmin=999999,bz=0;
136
137 Bool_t isOkDcut=kFALSE;
138 Bool_t isOkQcut=kFALSE;
139 Bool_t isMatched=kFALSE;
140
496c71b0 141 AliHMPIDCluster *bestHmpCluster=0x0; //the best matching cluster
c38d443f 142 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //get reconstructed track
143
144 if(!pTrk->IsOn(AliESDtrack::kTPCout)) continue;
145
146 if(pTrk->IsOn(AliESDtrack::kTPCrefit)) continue;
147
496c71b0 148 AliHMPIDtrack *hmpTrk = new AliHMPIDtrack(*pTrk); //create a hmpid track to be used for propagation and matching
149 bz=AliTracker::GetBz();
43e51ec6 150//initial flags for HMPID ESD infos
151 pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
152 pTrk->SetHMPIDmip(0,0,0,0); //store mip info in any case
153 pTrk->SetHMPIDcluIdx(99,99999); //chamber not found, mip not yet considered
154 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
496c71b0 155
af291e40 156 Int_t ipCh=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi); //find the intersected chamber for this track
b4866751 157
43e51ec6 158 if(ipCh<0) continue; //no intersection at all, go after next track
159
97a4d538 160 pTrk->SetHMPIDtrk(xPc,yPc,theta,phi); //store initial infos
43e51ec6 161 pTrk->SetHMPIDcluIdx(ipCh,9999); //set chamber, index of cluster + cluster size
496c71b0 162
163// track intersects the chamber ipCh: find the MIP
164
165 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
166 nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
167 nClusCh[ipCh] = nMipClusTot;
168
43e51ec6 169 if(nMipClusTot==0) continue;
170
171 Int_t index=-1; //index of the "best" matching cluster
172
496c71b0 173 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
174
175 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
176// evaluate qThre
177 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) { // just for backward compatibility
178 qthre=((TF1*)pQthre->At(pClu->Ch()))->Eval(pEsd->GetTimeStamp()); //
179 } else { // in the past just 1 qthre
180 hvsec = pParam->InHVSector(pClu->Y()); // per chamber
181 if(hvsec>=0)
84770d7b 182 qthre=((TF1*)pQthre->At(6*ipCh+hvsec))->Eval(pEsd->GetTimeStamp()); //
496c71b0 183 } //
184//
185 if(pClu->Q()<qthre) continue; //charge compartible with MIP clusters
186 isOkQcut = kTRUE;
43e51ec6 187//
496c71b0 188 cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y(); //get the LORS coordinates of the cluster
43e51ec6 189 Double_t dist = TMath::Sqrt((xPc-cluLORS[0])*(xPc-cluLORS[0])+(yPc-cluLORS[1])*(yPc-cluLORS[1]));
190
191 if(dist<dmin) {
192 dmin = dist;
193 index=iClu;
194 bestHmpCluster=pClu;
195 }
196 }
197/*
496c71b0 198 pParam->Lors2Mars(ipCh,cluLORS[0],cluLORS[1],cluMARS); //convert cluster coors. from LORS to MARS
199 radClu=TMath::Sqrt(cluMARS[0]*cluMARS[0]+cluMARS[1]*cluMARS[1]); //radial distance of candidate cluster in MARS
200 Double_t trkx0[3];
201 hmpTrk->GetXYZ(trkx0); //get track position in MARS
202 radInitTrk=TMath::Sqrt(trkx0[0]*trkx0[0]+trkx0[1]*trkx0[1]);
203 hmpTrk->PropagateToR(radClu,10);
204 hmpTrk->GetXYZ(trkx0); //get track position in MARS
205 hmpTrk->GetXYZAt(radClu,bz,trkMARS); //get the track coordinates at the rad distance after prop.
206 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]));
207 chi2=hmpTrk->GetPredictedChi2(pClu);
5b907fd5 208 if(dmin > d3d ) { + //to be saved for the moment...
496c71b0 209 cluSiz = pClu->Size();
210 dmin=d3d;
496c71b0 211 bestHmpCluster=pClu;
212 index=iClu;
213 bestChi2=chi2;
214 cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y();
215// pParam->Lors2Mars(ipCh,cluLORS[0],cluLORS[1],bestcluMARS);
216 }//global dmin cut
217 }//clus loop
43e51ec6 218*/
496c71b0 219 if(!isOkQcut) {
496c71b0 220 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
221 continue;
222 }
c38d443f 223
224 Double_t radius = (pParam->Lors2Mars(ipCh,pParam->SizeAllX()/2,pParam->SizeAllY()/2)).Mag();
225
226 if(!AliTracker::PropagateTrackTo(hmpTrk,radius,pTrk->GetMass(),1,kFALSE)) continue;
43e51ec6 227
c38d443f 228 if(!hmpTrk->PropagateTo(bestHmpCluster)) continue;
229
43e51ec6 230 Int_t cluSiz = bestHmpCluster->Size();
231 pTrk->SetHMPIDmip(bestHmpCluster->X(),bestHmpCluster->Y(),(Int_t)bestHmpCluster->Q(),0); //store mip info in any case
232 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set chamber, index of cluster + cluster size
496c71b0 233
5b907fd5 234 if(dmin < pParam->DistCut()) {
496c71b0 235 isOkDcut = kTRUE;
236 }
237
238 if(!isOkDcut) {
496c71b0 239 pTrk->SetHMPIDsignal(pParam->kMipDistCut); //closest cluster with enough charge is still too far from intersection
240 }
241
242 if(isOkQcut*isOkDcut) isMatched = kTRUE; // MIP-Track matched !!
243
244 if(!isMatched) continue; // If matched continue...
43e51ec6 245
246 Bool_t isOk = hmpTrk->Update(bestHmpCluster,0.1,0);
247 if(!isOk) continue;
c38d443f 248 pTrk->SetOuterHmpParam(hmpTrk,AliESDtrack::kHMPIDout);
249
250 FillResiduals(hmpTrk,bestHmpCluster,kFALSE);
496c71b0 251
43e51ec6 252 /*
496c71b0 253 Int_t indexAll = 0;
af291e40 254 for(Int_t iC=0;iC<ipCh;iC++) indexAll+=nClusCh[iC]; indexAll+=index; //to be verified...
496c71b0 255
256 Bool_t isOk = hmpTrk->Update(bestHmpCluster,bestChi2,indexAll);
257 if(!isOk) continue;
918772cf 258 pTrk->SetOuterParam(hmpTrk,AliESDtrack::kHMPIDout);
496c71b0 259
496c71b0 260 cham=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi);
b4866751 261
496c71b0 262 if(cham<0) { //no intersection at all, go after next track
39cd22e6 263 pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
264 pTrk->SetHMPIDcluIdx (99,99999); //chamber not found, mip not yet considered
265 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
266 continue;
267 }
43e51ec6 268*/
496c71b0 269 //evaluate nMean
270 if(pNmean->GetEntries()==21) { //for backward compatibility
84770d7b 271 nmean=((TF1*)pNmean->At(3*ipCh))->Eval(pEsd->GetTimeStamp()); //C6F14 Nmean for this chamber
496c71b0 272 } else {
273 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
0a7c7084 274 if(iRad < 0) {
275 nmean = -1;
276 } else {
84770d7b 277 Double_t tLow = ((TF1*)pNmean->At(6*ipCh+2*iRad ))->Eval(pEsd->GetTimeStamp()); //C6F14 low temp for this chamber
278 Double_t tHigh = ((TF1*)pNmean->At(6*ipCh+2*iRad+1))->Eval(pEsd->GetTimeStamp()); //C6F14 high temp for this chamber
496c71b0 279 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
280 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
0a7c7084 281 }
496c71b0 282 if(nmean < 0){ //track didn' t pass through the radiator
283 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
284 pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set index of cluster
285 continue;
286 }
287 }
288 //
a591e55f 289 recon.SetImpPC(xPc,yPc); //store track impact to PC
97a4d538 290 recon.CkovAngle(pTrk,(TClonesArray *)pClus->At(ipCh),index,nmean,xRa,yRa); //search for Cerenkov angle of this track
e56b695f 291
292 AliHMPIDPid pID;
293 Double_t prob[5];
294 pID.FindPid(pTrk,5,prob);
295 pTrk->SetHMPIDpid(prob);
296// 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);
297
b4866751 298 delete hmpTrk;hmpTrk=0x0;
496c71b0 299 }//iTrk
300
d3da6dc4 301 return 0; // error code: 0=no error;
611e810d 302}//Recon()
303//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
9785d5fb 304Int_t AliHMPIDTracker::ReconHiddenTrk(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
611e810d 305{
306// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
afe12692 307// 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 308// Returns: error code, 0 if no errors
9785d5fb 309
310 AliHMPIDReconHTA reconHTA; //instance of reconstruction class, nothing important in ctor
311
312 AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
313
314 for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
315
316 AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //here it is simulated or just empty track
317 Int_t ipCh;
318 ipCh = pTrk->GetHMPIDcluIdx();ipCh/=1000000;
319 if(ipCh<0) continue;
320
321 TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
322 Int_t nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
323
324 Double_t qMip=-1;
325 Int_t chMip=-1;
ee2f3539 326 Double_t xMip = 0;
327 Double_t yMip = 0;
328 Int_t indMip = 0;
329 Int_t cluMipSiz = 0;
9785d5fb 330
331 for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
332
333 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
334 Double_t qClus = pClu->Q();
335 if(qClus>qMip) {
336 qMip = qClus;
337 chMip = pClu->Ch();
338 xMip = pClu->X();
339 yMip = pClu->Y();
340 indMip = iClu;
341 cluMipSiz = pClu->Size();
342 }
343 }//clus loop
344
345 if(chMip<0) return 1;
346
347 Int_t hvsec;
ee2f3539 348 Double_t qthre=0;
9785d5fb 349// evaluate qThre
350 if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) { // just for backward compatibility
351 qthre=((TF1*)pQthre->At(chMip))->Eval(pEsd->GetTimeStamp()); //
352 } else { // in the past just 1 qthre
353 hvsec = pParam->InHVSector(yMip); // per chamber
354 if(hvsec>=0) qthre=((TF1*)pQthre->At(6*chMip+hvsec))->Eval(pEsd->GetTimeStamp()); //
355 }
356//
357 if(qMip<qthre) {
358 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
359 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
360 pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
361 return 1; //charge compatible with MIP clusters
362 }
363
364 pTrk->SetHMPIDmip(xMip,yMip,(Int_t)qMip,0); //store mip info in any case
365 pTrk->SetHMPIDcluIdx(chMip,indMip+1000*cluMipSiz);
366
367 Double_t yRa = yMip; //just an approx...
368 Double_t nmean;
369 //evaluate nMean
370 if(pNmean->GetEntries()==21) { //for backward compatibility
371 nmean=((TF1*)pNmean->At(3*chMip))->Eval(pEsd->GetTimeStamp()); //C6F14 Nmean for this chamber
372 } else {
373 Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
374 if(iRad < 0) {
375 nmean = -1;
376 } else {
377 Double_t tLow = ((TF1*)pNmean->At(6*chMip+2*iRad ))->Eval(pEsd->GetTimeStamp()); //C6F14 low temp for this chamber
378 Double_t tHigh = ((TF1*)pNmean->At(6*chMip+2*iRad+1))->Eval(pEsd->GetTimeStamp()); //C6F14 high temp for this chamber
379 Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
380 nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
381 }
382 if(nmean < 0){ //track didn' t pass through the radiator
383 pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
384 return 1;
385 }
386 }
387 //
ee2f3539 388 if(!reconHTA.CkovHiddenTrk(pTrk,(TClonesArray *)pClus->At(ipCh),indMip,nmean)) { //search for track parameters and Cerenkov angle of this track
389 AliHMPIDPid pID;
390 Double_t prob[5];
391 pID.FindPid(pTrk,5,prob);
392 pTrk->SetHMPIDpid(prob);
393 }
e56b695f 394// 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 395 }//iTrk
396
397 return 0; // error code: 0=no error;
398
611e810d 399}//Recon()
d3da6dc4 400//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
c1af14f7 401void AliHMPIDTracker::FillClusterArray(TObjArray* array) const {
402
403 // Publishes all pointers to clusters known to the tracker into the
404 // passed object array.
405 // The ownership is not transfered - the caller is not expected to delete
406 // the clusters
407
408 for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){
409 TClonesArray *pCluArr=(TClonesArray*)(*fClu)[iCh];
410 for (Int_t iClu=0; iClu<pCluArr->GetEntriesFast();iClu++){
411 AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluArr->UncheckedAt(iClu);
412 array->AddLast(pClu);
413 }//cluster loop in iCh
414 pCluArr->Delete();
415 }//Ch loop
416
417 return;
418}
419//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++