iClu = iClu%1000; //GetHMPIDcluIdx -> 1e+6*ch + 1e+3*clusize + cluIdx;
point.SetVolumeID(AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,iCham));//layer and chamber number
TClonesArray *pArr=(TClonesArray*)(*fClu)[iCham];
+ if(!pArr) return kFALSE;
AliHMPIDCluster *pClu=(AliHMPIDCluster*)pArr->UncheckedAt(iClu);//get pointer to cluster
+ if(!pClu) return kFALSE;
Float_t xyz[3];
pClu->GetGlobalXYZ(xyz);
Float_t cov[6];
Int_t nMipClusTot=0;
Double_t qthre = 0; Double_t nmean=0; Int_t hvsec=0;
- Int_t nClusCh[AliHMPIDParam::kMaxCh+1];
+// Int_t nClusCh[AliHMPIDParam::kMaxCh+1];
Bool_t tsRight = kTRUE;
for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
// Double_t bestChi2=99999;chi2=99999; //init. track matching params
- Double_t dmin=999999,bz=0,distCut=1,distParams[5]={1};
+// Double_t dmin=999999,bz=0,distCut=1,distParams[5]={1};
+ Double_t dmin=999999,distCut=1,distParams[5]={1};
Bool_t isOkDcut=kFALSE;
Bool_t isOkQcut=kFALSE;
AliHMPIDtrack *hmpTrkConstrained = 0; //create a hmpid track to be used for propagation and matching
hmpTrk->Set(ftrack->GetTPCOut()->GetX(), ftrack->GetTPCOut()->GetAlpha(),ftrack->GetTPCOut()->GetParameter(), ftrack->GetTPCOut()->GetCovariance());
//
- bz=AliTracker::GetBz();
+ //bz=AliTracker::GetBz();
//initial flags for HMPID ESD infos
pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
- nClusCh[ipCh] = nMipClusTot;
+ // nClusCh[ipCh] = nMipClusTot;
if(nMipClusTot==0) {delete hmpTrk;hmpTrk=0x0;continue;}
//
// 2. Propagate track to the MIP cluster using the STEER method
//
+
+ if(!bestHmpCluster) {delete hmpTrk;hmpTrk=0x0; delete hmpTrkConstrained;hmpTrkConstrained=0x0; continue;}
+
TVector3 vG = pParam->Lors2Mars(ipCh,bestHmpCluster->X(),bestHmpCluster->Y());
Double_t gx = vG[0];
Double_t gy = vG[1];
if (AliHMPIDReconstructor::StreamLevel()>0) {
AliExternalTrackParam * trackTPC=new AliExternalTrackParam(*(ftrack->GetTPCOut()));
AliExternalTrackParam * trackCurrent=new AliExternalTrackParam(*pTrk);
- trackTPC->Rotate(alpha);
- trackCurrent->Rotate(alpha);
+ if(!trackTPC->Rotate(alpha)) continue;
+ if(!trackCurrent->Rotate(alpha)) continue;
Bool_t statusTPC= AliTracker::PropagateTrackToBxByBz(trackTPC,radiusH,pTrk->GetMass(),1,kFALSE,kMaxSnp,-1);
- Bool_t statusCurrent=AliTracker::PropagateTrackToBxByBz(trackCurrent,radiusH,pTrk->GetMass(),1,kFALSE,kMaxSnp,-1);
+ Bool_t statusCurrent=AliTracker::PropagateTrackToBxByBz(trackCurrent,radiusH,pTrk->GetMass(),1,kFALSE,kMaxSnp,-1);
+ AliExternalTrackParam * trackTPCNB=new AliExternalTrackParam(*(ftrack->GetTPCOut()));
+ if(!trackTPCNB->Rotate(alpha)) continue;
+ Bool_t statusTPCNB=kTRUE;
+ Double_t bfield[3]={0,0,0};
+ for (Double_t radius=trackTPCNB->GetX(); radius<radiusH; radius+=1){
+ Double_t xyz[3];
+ trackTPCNB->GetXYZ(xyz);
+ GetBxByBz(xyz,bfield);
+ statusTPCNB&=trackTPCNB->PropagateToBxByBz(radius,bfield);
+ }
+ statusTPCNB&=trackTPCNB->PropagateToBxByBz(radiusH,bfield);
+ //
Double_t tanAlpha=TMath::Tan(TMath::ASin(trackTPC->GetSnp()));
Double_t deltaC= trackTPC->GetC(AliTrackerBase::GetBz())-ftrack->GetTPCOut()->GetC(AliTrackerBase::GetBz());
//
"rH="<<radiusH<< // radius of cluster
"angle="<<tanAlpha<< // tan of the local inlination angle
"dC="<<deltaC<< // delta of the curvature
- "trackTPC.="<<trackTPC<< // TPc outer param extrapolated to the HMPID
+ "trackTPC.="<<trackTPC<< // TPC outer param extrapolated to the HMPID
+ "trackTPCNB.="<<trackTPCNB<< // TPC track prpagated with material budget correction
"chi2C="<<chi2C<<
- "trackTPCC.="<<trackTPCConstrained<< // TPc outer param extrapolated to the HMPID
+ "trackTPCC.="<<trackTPCConstrained<< // TPC outer param extrapolated to the HMPID constrained
"trackCurrent.="<<trackCurrent<< // current track extrapolated to the HMPID
"sTPC="<<statusTPC<< // status for the current TPC track
"sCurrent="<<statusCurrent<< // status for the current global track
"t.="<<pTrk<< // curent esd track
"ft.="<<ftrack<< // friend track
"hmpTrk.="<<hmpTrk<< // hmpid tracks as used in the following code
- "hmpTrkC.="<<hmpTrkConstrained<< // hmpid tracks as used in the following code
+ "hmpTrkC.="<<hmpTrkConstrained<< // constrained hmpid tracks as used in the following code
"gx="<<gx<< // global cluster position X
"gy="<<gy<< // Y
"gz="<<gz<< // Z
if(!isMatched) {delete hmpTrk;hmpTrk=0x0;delete hmpTrkConstrained;hmpTrkConstrained=0x0;continue;} // If matched continue...
Bool_t isOk = kTRUE;
- if(!isOk) {delete hmpTrk;hmpTrk=0x0;continue; delete hmpTrkConstrained;hmpTrkConstrained=0x0;}
+ if(!isOk) {delete hmpTrk;hmpTrk=0x0; delete hmpTrkConstrained;hmpTrkConstrained=0x0; continue;}
pTrk->SetOuterHmpParam(hmpTrkConstrained,AliESDtrack::kHMPIDout);
FillResiduals(hmpTrk,bestHmpCluster,kFALSE);
if (AliHMPIDReconstructor::StreamLevel()>0) {
AliExternalTrackParam * trackTPC=new AliExternalTrackParam(*(ftrack->GetTPCOut()));
AliExternalTrackParam * trackCurrent=new AliExternalTrackParam(*pTrk);
- trackTPC->Rotate(alpha);
- trackCurrent->Rotate(alpha);
+ if(!trackTPC->Rotate(alpha)) continue;
+ if(!trackCurrent->Rotate(alpha)) continue;
Bool_t statusTPC= AliTracker::PropagateTrackToBxByBz(trackTPC,radiusH,pTrk->GetMass(),1,kFALSE,kMaxSnp,-1);
Bool_t statusCurrent=AliTracker::PropagateTrackToBxByBz(trackCurrent,radiusH,pTrk->GetMass(),1,kFALSE,kMaxSnp,-1);
Double_t tanAlpha=TMath::Tan(TMath::ASin(trackTPC->GetSnp()));
Double_t deltaC= trackTPC->GetC(AliTrackerBase::GetBz())-ftrack->GetTPCOut()->GetC(AliTrackerBase::GetBz());
//
+ AliExternalTrackParam * trackTPCNB=new AliExternalTrackParam(*(ftrack->GetTPCOut()));
+ if(!trackTPCNB->Rotate(alpha)) continue;
+ Bool_t statusTPCNB=kTRUE;
+ Double_t bfield[3]={0,0,0};
+ for (Double_t radius=trackTPCNB->GetX(); radius<radiusH; radius+=1){
+ Double_t xyz[3];
+ trackTPCNB->GetXYZ(xyz);
+ GetBxByBz(xyz,bfield);
+ statusTPCNB&=trackTPCNB->PropagateToBxByBz(radius,bfield);
+ }
+ statusTPCNB&=trackTPCNB->PropagateToBxByBz(radiusH,bfield);
+
AliExternalTrackParam * trackTPCConstrained= new AliExternalTrackParam(*trackTPC);
Double_t pos[2]={0,gz};
Double_t cov[3]={0.1*0.1, 0, 0.1*0.1};
"rH="<<radiusH<< // radius of cluster
"angle="<<tanAlpha<< // tan of the local inlination angle
"dC="<<deltaC<< // delta of the curvature
- "trackTPC.="<<trackTPC<< // TPc outer param extrapolated to the HMPID
+ "trackTPC.="<<trackTPC<< // TPC outer param extrapolated to the HMPID
+ "trackTPCNB.="<<trackTPCNB<< // TPC outer param extrapolated to the HMPID
"chi2C="<<chi2C<<
- "trackTPCC.="<<trackTPCConstrained<< // TPc outer param extrapolated to the HMPID
+ "trackTPCC.="<<trackTPCConstrained<< // TPC outer param extrapolated to the HMPID constrained
"trackCurrent.="<<trackCurrent<< // current track extrapolated to the HMPID
"sTPC="<<statusTPC<< // status for the current TPC track
"sCurrent="<<statusCurrent<< // status for the current global track
"t.="<<pTrk<< // curent esd track
"ft.="<<ftrack<< // friend track
"hmpTrk.="<<hmpTrk<< // hmpid tracks as used in the following code
- "hmpTrkC.="<<hmpTrkConstrained<< // hmpid tracks as used in the following code
+ "hmpTrkC.="<<hmpTrkConstrained<< // constrained hmpid tracks as used in the following code
"gx="<<gx<< // global cluster position X
"gy="<<gy<< // Y
"gz="<<gz<< // Z
AliHMPIDPid pID;
Double_t prob[5];
- pID.FindPid(pTrk,5,prob);
+ pID.FindPid(pTrk,nmean,5,prob);
pTrk->SetHMPIDpid(prob);
-// 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);
delete hmpTrk; hmpTrk=0x0;
delete hmpTrkConstrained; hmpTrkConstrained=0x0;
}//iTrk
return 0; // error code: 0=no error;
}//Recon()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+Int_t AliHMPIDTracker::ReconFromKin(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
+{
+// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
+// Arguments: pEsd- pointer ESD; pClu- pointer to clusters for all chambers; pNmean - pointer to all function Nmean=f(time)
+// Returns: error code, 0 if no errors
+
+ AliHMPIDRecon recon; //instance of reconstruction class, nothing important in ctor
+ AliHMPIDParam *pParam = AliHMPIDParam::Instance(); //Instance of AliHMPIDParam
+ Float_t xPc,yPc,xRa,yRa,theta,phi;
+ Double_t cluLORS[2]={0};
+ Int_t nMipClusTot=0;
+ Double_t qthre = 0; Double_t nmean=0; Int_t hvsec=0;
+ //Int_t nClusCh[AliHMPIDParam::kMaxCh+1];
+
+ Bool_t tsRight = kTRUE;
+
+ UInt_t tsmin = (UInt_t)((TF1*)pQthre->At(0))->GetXmin(); //
+ UInt_t tsmax = (UInt_t)((TF1*)pQthre->At(0))->GetXmax(); //
+ UInt_t ts = pEsd->GetTimeStamp();
+
+ if(ts<tsmin || ts>tsmax) {
+ AliWarning(Form(" in HMPID time stamp out of range!!! Please check!!! ts = %i",ts));
+ tsRight = kFALSE;
+ }
+
+ for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){ //loop on the ESD tracks in the event
+
+ Double_t dmin=999999,distCut=1,distParams[5]={1};
+
+ Bool_t isOkDcut=kFALSE;
+ Bool_t isOkQcut=kFALSE;
+ Bool_t isMatched=kFALSE;
+
+ AliHMPIDCluster *bestHmpCluster=0x0; //the best matching cluster
+ AliESDtrack *pTrk = pEsd->GetTrack(iTrk); //get reconstructed track
+
+ AliHMPIDtrack *hmpTrk = new AliHMPIDtrack(*pTrk); //create a hmpid track to be used for propagation and matching
+ // bz=AliTracker::GetBz();
+//initial flags for HMPID ESD infos
+ pTrk->SetHMPIDtrk(0,0,0,0); //no intersection found
+ pTrk->SetHMPIDmip(0,0,0,0); //store mip info in any case
+ pTrk->SetHMPIDcluIdx(99,99999); //chamber not found, mip not yet considered
+ pTrk->SetHMPIDsignal(AliHMPIDRecon::kNotPerformed); //ring reconstruction not yet performed
+
+ Int_t ipCh=IntTrkCha(pTrk,xPc,yPc,xRa,yRa,theta,phi); //find the intersected chamber for this track
+ if(ipCh<0) {delete hmpTrk;hmpTrk=0x0;continue;} //no intersection at all, go after next track
+
+ pTrk->SetHMPIDtrk(xPc,yPc,theta,phi); //store initial infos
+ pTrk->SetHMPIDcluIdx(ipCh,9999); //set chamber, index of cluster + cluster size
+
+// track intersects the chamber ipCh: find the MIP
+
+ TClonesArray *pMipCluLst=(TClonesArray *)pClus->At(ipCh); //get the list of clusters
+ nMipClusTot = pMipCluLst->GetEntries(); //total number of clusters in the given chamber
+ // nClusCh[ipCh] = nMipClusTot;
+
+ if(nMipClusTot==0) {delete hmpTrk;hmpTrk=0x0;continue;}
+
+ Int_t index=-1; //index of the "best" matching cluster
+
+ for (Int_t iClu=0; iClu<nMipClusTot;iClu++) { //clusters loop
+
+ AliHMPIDCluster *pClu=(AliHMPIDCluster*)pMipCluLst->UncheckedAt(iClu); //get the cluster
+// evaluate qThre
+ if(tsRight){
+ if(pQthre->GetEntriesFast()==pParam->kMaxCh+1) {
+ qthre=((TF1*)pQthre->At(pClu->Ch()))->Eval(ts); //
+ } else { // in the past just 1 qthre
+ hvsec = pParam->InHVSector(pClu->Y()); // per chamber
+ if(hvsec>=0) qthre=((TF1*)pQthre->At(6*ipCh+hvsec))->Eval(ts); //
+ }
+ } else qthre = pParam->QCut();
+
+//
+ if(pClu->Q()<qthre) continue; //charge compartible with MIP clusters
+ isOkQcut = kTRUE;
+//
+ cluLORS[0]=pClu->X(); cluLORS[1]=pClu->Y(); //get the LORS coordinates of the cluster
+ Double_t dist = TMath::Sqrt((xPc-cluLORS[0])*(xPc-cluLORS[0])+(yPc-cluLORS[1])*(yPc-cluLORS[1]));
+
+ if(dist<dmin) {
+ dmin = dist;
+ index=iClu;
+ bestHmpCluster=pClu;
+ }
+ } // clusters loop
+
+ if(!isOkQcut) {
+ pTrk->SetHMPIDsignal(pParam->kMipQdcCut);
+ delete hmpTrk;hmpTrk=0x0; continue;
+ }
+
+ Double_t radius = (pParam->Lors2Mars(ipCh,pParam->SizeAllX()/2,pParam->SizeAllY()/2)).Mag();
+
+ if(!AliTracker::PropagateTrackToBxByBz(hmpTrk,radius,pTrk->GetMass(),1,kFALSE)) {delete hmpTrk;hmpTrk=0x0;continue;}
+
+ if(!hmpTrk->PropagateTo(bestHmpCluster)) {delete hmpTrk;hmpTrk=0x0;continue;}
+
+ Int_t cluSiz = bestHmpCluster->Size();
+ pTrk->SetHMPIDmip(bestHmpCluster->X(),bestHmpCluster->Y(),(Int_t)bestHmpCluster->Q(),0); //store mip info in any case
+ pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set chamber, index of cluster + cluster size
+
+ if(AliHMPIDReconstructor::GetRecoParam()) //retrieve distance cut
+ {
+ if(AliHMPIDReconstructor::GetRecoParam()->IsFixedDistCut()==kTRUE) //distance cut is fixed number
+ {
+ distCut=AliHMPIDReconstructor::GetRecoParam()->GetHmpTrackMatchingDist();
+ }
+ else
+ {
+ for(Int_t ipar=0;ipar<5;ipar++) distParams[ipar]=AliHMPIDReconstructor::GetRecoParam()->GetHmpTrackMatchingDistParam(ipar); //prevision: distance cut is function of momentum
+ distCut=distParams[0]+distParams[1]*TMath::Power(distParams[2]*pTrk->GetP(),distParams[3]); //prevision: change functional form to be more precise
+ }
+ }
+ else {distCut=pParam->DistCut();}
+
+ if(dmin < distCut) {
+ isOkDcut = kTRUE;
+ }
+
+ if(!isOkDcut) {
+ pTrk->SetHMPIDsignal(pParam->kMipDistCut); //closest cluster with enough charge is still too far from intersection
+ }
+
+ if(isOkQcut*isOkDcut) isMatched = kTRUE; // MIP-Track matched !!
+
+ if(!isMatched) {delete hmpTrk;hmpTrk=0x0;continue;} // If matched continue...
+
+ Bool_t isOk = hmpTrk->Update(bestHmpCluster,0.1,0);
+ if(!isOk) {delete hmpTrk;hmpTrk=0x0;continue;}
+ pTrk->SetOuterHmpParam(hmpTrk,AliESDtrack::kHMPIDout);
+
+ FillResiduals(hmpTrk,bestHmpCluster,kFALSE);
+
+ Int_t iRad = pParam->Radiator(yRa); //evaluate the radiator involved
+
+ //evaluate nMean
+ if(tsRight){
+ if(pNmean->GetEntries()==21) { //for backward compatibility
+ nmean=((TF1*)pNmean->At(3*ipCh))->Eval(ts); //C6F14 Nmean for this chamber
+ } else {
+ if(iRad < 0) {
+ nmean = -1;
+ } else {
+ Double_t tLow = ((TF1*)pNmean->At(6*ipCh+2*iRad ))->Eval(ts); //C6F14 low temp for this chamber
+ Double_t tHigh = ((TF1*)pNmean->At(6*ipCh+2*iRad+1))->Eval(ts); //C6F14 high temp for this chamber
+ Double_t tExp = pParam->FindTemp(tLow,tHigh,yRa); //estimated temp for that chamber at that y
+ nmean = pParam->NIdxRad(AliHMPIDParam::Instance()->GetEPhotMean(),tExp); //mean ref idx @ a given temp
+ }
+ if(nmean < 0){ //track didn' t pass through the radiator
+ pTrk->SetHMPIDsignal(AliHMPIDRecon::kNoRad); //set the appropriate flag
+ pTrk->SetHMPIDcluIdx(ipCh,index+1000*cluSiz); //set index of cluster
+ delete hmpTrk;hmpTrk=0x0;
+ continue;
+ }
+ }
+ } else nmean = pParam->MeanIdxRad();
+
+ //
+ recon.SetImpPC(xPc,yPc); //store track impact to PC
+ recon.CkovAngle(pTrk,(TClonesArray *)pClus->At(ipCh),index,nmean,xRa,yRa); //search for Cerenkov angle of this track
+
+ if(pTrk->GetHMPIDsignal()<0) {delete hmpTrk;hmpTrk=0x0;continue;}
+
+ AliHMPIDPid pID;
+ Double_t prob[5];
+ pID.FindPid(pTrk,nmean,5,prob);
+ // Printf("Tracker RefIndex = %f, chmaber = %i, prob1 = %f, prob2 = %f, prob3 = %f, prob4 = %f, prob5 = %f", nmean,ipCh,prob[0],prob[1],prob[2],prob[3],prob[4]);
+ pTrk->SetHMPIDpid(prob);
+ delete hmpTrk;hmpTrk=0x0;
+ }//iTrk
+
+ return 0; // error code: 0=no error;
+}//ReconFromKin()
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Int_t AliHMPIDTracker::ReconHiddenTrk(AliESDEvent *pEsd,TObjArray *pClus,TObjArray *pNmean, TObjArray *pQthre)
{
// Static method to reconstruct Theta Ckov for all valid tracks of a given event.
if(!reconHTA.CkovHiddenTrk(pTrk,(TClonesArray *)pClus->At(ipCh),indMip,nmean)) { //search for track parameters and Cerenkov angle of this track
AliHMPIDPid pID;
Double_t prob[5];
- pID.FindPid(pTrk,5,prob);
+ pID.FindPid(pTrk,nmean,5,prob);
pTrk->SetHMPIDpid(prob);
}
// 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);
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff