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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 | 20 | ClassImp(AliHMPIDTracker) |
94b1fbfa | 21 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
c61a7285 | 22 | AliHMPIDTracker::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 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
33 | Bool_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 | 51 | Int_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 | 70 | Int_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 | 91 | Int_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 | 101 | Int_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 | 114 | Int_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 | 271 | Int_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 | 368 | void 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 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |