#include <AliLoader.h>
#include <AliStack.h>
#include <AliRun.h>
+#include "AliRICHParam.h"
void RICHMinMathieson(Int_t &npar, Double_t *gin, Double_t &chi2, Double_t *par, Int_t iflag);
ClassImp(AliRICHClusterFinder)
//__________________________________________________________________________________________________
-AliRICHClusterFinder::AliRICHClusterFinder(AliRICH *pRICH)
+AliRICHClusterFinder::AliRICHClusterFinder(AliRunLoader *pRunLoader)
{//main ctor
-// Info("main ctor","Start.");
-
- fRICH = pRICH;
+ fRICH = (AliRICH*) pRunLoader->GetAliRun()->GetDetector("RICH");
+
+ AliDebug(1,"main ctor Start.");
- fHitMap = 0;
+ fDigitMap = 0;
fRawCluster.Reset();
fResolvedCluster.Reset();
-
+ AliDebug(1,"main ctor Stop.");
}//main ctor
//__________________________________________________________________________________________________
-void AliRICHClusterFinder::FindLocalMaxima()
-{
-// Find number of local maxima in the cluster
-// Info("FindLocalMaxima","Start.");
-
- fNlocals = 0;
- for(Int_t iDig1=0;iDig1<fRawCluster.Size();iDig1++) {
- Int_t iNotMax = 0;
- AliRICHdigit *pDig1 = (AliRICHdigit *)fRawCluster.Digits()->At(iDig1);
- Int_t padX1 = pDig1->X();
- Int_t padY1 = pDig1->Y();
- Int_t padQ1 = (Int_t)(pDig1->Q()+0.1);
- Int_t padC1 = pDig1->ChFbMi();
- for(Int_t iDig2=0;iDig2<fRawCluster.Size();iDig2++) {
- AliRICHdigit *pDig2 = (AliRICHdigit *)fRawCluster.Digits()->At(iDig2);
- Int_t padX2 = pDig2->X();
- Int_t padY2 = pDig2->Y();
- Int_t padQ2 = (Int_t)(pDig2->Q()+0.1);
- if(iDig1==iDig2) continue;
- Int_t diffx = TMath::Sign(padX1-padX2,1);
- Int_t diffy = TMath::Sign(padY1-padY2,1);
- if((diffx+diffy)<=1) {
- if(padQ2>=padQ1) iNotMax++;
- }
- }
- if(iNotMax==0) {
- TVector2 x2=AliRICHParam::Pad2Loc(padX1,padY1);
- fLocalX[fNlocals]=x2.X();fLocalY[fNlocals]=x2.Y();
- fLocalQ[fNlocals] = (Double_t)padQ1;
- fLocalC[fNlocals] = padC1;
- fNlocals++;
- }
- }
-}//FindLocalMaxima()
-//__________________________________________________________________________________________________
-void AliRICHClusterFinder::Exec()
+void AliRICHClusterFinder::Exec(const Option_t *)
{
- if(GetDebug()) Info("Exec","Start.");
-
-
- Rich()->GetLoader()->LoadDigits();
-
- Rich()->GetLoader()->GetRunLoader()->LoadHeader();
- Rich()->GetLoader()->GetRunLoader()->LoadKinematics();
+//Main method of cluster finder. Loops on events and chambers, everything else is done in FindClusters()
+ AliDebug(1,"Exec Start.");
+
+ R()->GetLoader() ->LoadDigits();
+// R()->GetLoader()->GetRunLoader()->LoadHeader();
+ if(!R()->GetLoader()->GetRunLoader()->TreeK()) R()->GetLoader()->GetRunLoader()->LoadKinematics();
for(Int_t iEventN=0;iEventN<gAlice->GetEventsPerRun();iEventN++){//events loop
- if(GetDebug()) Info("Exec","Event %i processed.",iEventN+1);
-// gAlice->GetRunLoader()->GetEvent(iEventN);
- Rich()->GetLoader()->GetRunLoader()->GetEvent(iEventN);
+ AliDebug(1,Form("Processing event %i...",iEventN));
+ R()->GetLoader()->GetRunLoader()->GetEvent(iEventN);
- Rich()->GetLoader()->MakeTree("R"); Rich()->MakeBranch("R");
- Rich()->ResetDigits(); Rich()->ResetClusters();
+ R()->GetLoader()->MakeTree("R"); R()->MakeBranch("R");
+ R()->ResetDigits(); R()->ClustersReset();
- Rich()->GetLoader()->TreeD()->GetEntry(0);
- for(Int_t iChamber=1;iChamber<=kNCH;iChamber++){//chambers loop
+ R()->GetLoader()->TreeD()->GetEntry(0);
+ for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){//chambers loop
FindClusters(iChamber);
}//chambers loop
- Rich()->GetLoader()->TreeR()->Fill();
- Rich()->GetLoader()->WriteRecPoints("OVERWRITE");
+ R()->GetLoader()->TreeR()->Fill(); R()->GetLoader()->WriteRecPoints("OVERWRITE");//write out clusters for current event
}//events loop
- Rich()->GetLoader()->UnloadDigits(); Rich()->GetLoader()->UnloadRecPoints();
- Rich()->ResetDigits(); Rich()->ResetClusters();
- Rich()->GetLoader()->GetRunLoader()->UnloadHeader();
- Rich()->GetLoader()->GetRunLoader()->UnloadKinematics();
+ R()->ResetDigits();//reset and unload everything
+ R()->ClustersReset();
+ R()->GetLoader() ->UnloadDigits();
+ R()->GetLoader() ->UnloadRecPoints();
+// R()->GetLoader()->GetRunLoader()->UnloadHeader();
+ R()->GetLoader()->GetRunLoader()->UnloadKinematics();
- if(GetDebug()) Info("Exec","Stop.");
+ AliDebug(1,"Stop.");
}//Exec()
//__________________________________________________________________________________________________
void AliRICHClusterFinder::FindClusters(Int_t iChamber)
{
- //finds neighbours and fill the tree with raw clusters
- Int_t nDigits=Rich()->Digits(iChamber)->GetEntriesFast();
-// Info("FindClusters","Start for Chamber %i with %i digits.",iChamber,nDigits);
- if(nDigits==0)return;
+//Loops on digits for a given chamber, forms raw clusters, then tries to resolve them if requested
+ Int_t iNdigits=R()->Digits(iChamber)->GetEntriesFast();
+ AliDebug(1,Form("Start for chamber %i with %i digits.",iChamber,iNdigits));
+
+ if(iNdigits==0)return;//no digits for a given chamber, nothing to do
- fHitMap=new AliRICHMap(Rich()->Digits(iChamber));//create digit map for the given chamber
+ fDigitMap=new AliRICHMap(R()->Digits(iChamber));//create digit map for the given chamber
- for(Int_t iDig=0;iDig<nDigits;iDig++){
- AliRICHdigit *dig=(AliRICHdigit*)Rich()->Digits(iChamber)->At(iDig);
+ for(Int_t iDigN=0;iDigN<iNdigits;iDigN++){//digits loop for a given chamber
+ AliRICHDigit *dig=(AliRICHDigit*)R()->Digits(iChamber)->At(iDigN);
Int_t i=dig->X(); Int_t j=dig->Y();
- if(fHitMap->TestHit(i,j)==kUsed) continue;
+ if(fDigitMap->TestHit(i,j)==kUsed) continue;//this digit is already taken, go after next digit
- FormRawCluster(i,j);
- FindLocalMaxima();
-// cout << " fNlocals in FindCluster " << fNlocals << endl;
- fRawCluster.CoG(fNlocals); // first initial approxmation of the CoG...to start minimization.
+ FormRawCluster(i,j);//form raw cluster starting from (i,j) pad
+ AliDebug(1,"After FormRawCluster:");ToAliDebug(1,fRawCluster.Print());
+ FindLocalMaxima(); //find number of local maxima and initial center of gravity
+ AliDebug(1,"After FindLocalMaxima:");ToAliDebug(1,fRawCluster.Print());
- if(AliRICHParam::IsResolveClusters()) {
- ResolveCluster(); // ResolveCluster serialization will happen inside
- } else {
- WriteRawCluster(); // simply output of the RawCluster found without deconvolution
+ if(AliRICHParam::IsResolveClusters()&&fNlocals<=6&&fRawCluster.Size()>1){
+ FitCoG(); //serialization of resolved clusters will happen inside
+ }else{//cluster size=1 or resolving is switched off
+ WriteRawCluster();//simply output the formed raw cluster without deconvolution
}
- fRawCluster.Reset();
- fResolvedCluster.Reset();
- }//digits loop
+ fRawCluster.Reset(); fResolvedCluster.Reset();
+ }//digits loop for a given chamber
- delete fHitMap;
-// Info("FindClusters","Stop.");
+ delete fDigitMap;
+ AliDebug(1,"Stop.");
}//FindClusters()
//__________________________________________________________________________________________________
-void AliRICHClusterFinder::FindClusterContribs(AliRICHcluster *pCluster)
+void AliRICHClusterFinder::FindClusterContribs(AliRICHCluster *pCluster)
{
-// finds CombiPid for a given cluster
-// Info("FindClusterContribs","Start");
+//Finds cerenkov-feedback-mip mixture for a given cluster
+ AliDebug(1,"Start.");ToAliDebug(1,pCluster->Print());
+
+// R()->GetLoader()->GetRunLoader()->LoadHeader(); //...message from AliRunLoader...hopefully will disappear in future...
+ // sometimes no stack found if the above line is commented out!!
+ AliStack *pStack = R()->GetLoader()->GetRunLoader()->Stack();
+ if(!pStack)
+ {AliInfo("No Stack found!!! No contrib to cluster found.");return;}
TObjArray *pDigits = pCluster->Digits();
+ if(!pDigits) return; //??????????
Int_t iNmips=0,iNckovs=0,iNfeeds=0;
TArrayI contribs(3*pCluster->Size());
Int_t *pindex = new Int_t[3*pCluster->Size()];
for(Int_t iDigN=0;iDigN<pCluster->Size();iDigN++) {//loop on digits of a given cluster
- contribs[3*iDigN] =((AliRICHdigit*)pDigits->At(iDigN))->Tid(0);
+ contribs[3*iDigN] =((AliRICHDigit*)pDigits->At(iDigN))->GetTrack(0);
if (contribs[3*iDigN] >= 10000000) contribs[3*iDigN] = 0;
- contribs[3*iDigN+1]=((AliRICHdigit*)pDigits->At(iDigN))->Tid(1);
+ contribs[3*iDigN+1]=((AliRICHDigit*)pDigits->At(iDigN))->GetTrack(1);
if (contribs[3*iDigN+1] >= 10000000) contribs[3*iDigN+1] = 0;
- contribs[3*iDigN+2]=((AliRICHdigit*)pDigits->At(iDigN))->Tid(2);
+ contribs[3*iDigN+2]=((AliRICHDigit*)pDigits->At(iDigN))->GetTrack(2);
if (contribs[3*iDigN+2] >= 10000000) contribs[3*iDigN+2] = 0;
}//loop on digits of a given cluster
TMath::Sort(contribs.GetSize(),contribs.GetArray(),pindex);
- for(Int_t iDigN=0;iDigN<3*pCluster->Size()-1;iDigN++) {//loop on digits to sort Tid
+ for(Int_t iDigN=0;iDigN<3*pCluster->Size()-1;iDigN++) {//loop on digits to sort tids
+ AliDebug(1,Form("%4i for digit n. %4i",contribs[pindex[iDigN]],iDigN));
if(contribs[pindex[iDigN]]!=contribs[pindex[iDigN+1]]) {
- TParticle* particle = Rich()->GetLoader()->GetRunLoader()->Stack()->Particle(contribs[pindex[iDigN]]);
+ Int_t thecontrib = contribs[pindex[iDigN]];
+ if (thecontrib>=pStack->GetNtrack()) continue;//PH this should not happen
+ TParticle* particle = pStack->Particle(thecontrib);
+ if (!particle) continue;//PH this should not happen
Int_t code = particle->GetPdgCode();
Double_t charge = 0;
- if (particle->GetPDG()) particle->GetPDG()->Charge();
+ if(particle->GetPDG()) charge=particle->GetPDG()->Charge();
+ AliDebug(1,Form(" charge of particle %f",charge));
if(code==50000050) iNckovs++;
- else if(code==50000051) iNfeeds++;
- else if(charge!=0) iNmips++;
- if (contribs[pindex[iDigN+1]]==kBad) break;
+ if(code==50000051) iNfeeds++;
+ if(charge!=0) iNmips++;
}
}//loop on digits to sort Tid
- pCluster->SetCombiPid(iNckovs,iNfeeds,iNmips);
-// pCluster->Print();
+
+ if (contribs[pindex[3*pCluster->Size()-1]]!=-1) {
+ Int_t thecontrib = contribs[pindex[3*pCluster->Size()-1]];
+ if (thecontrib<pStack->GetNtrack()){
+ //PH the opposite should not happen
+
+ TParticle* particle = pStack->Particle(thecontrib);
+ if (particle) {
+ //PH the opposite should not happen
+ Int_t code = particle->GetPdgCode();
+ Double_t charge = 0;
+ if(particle->GetPDG()) charge=particle->GetPDG()->Charge();
+ AliDebug(1,Form(" charge of particle %f",charge));
+ if(code==50000050) iNckovs++;
+ if(code==50000051) iNfeeds++;
+ if(charge!=0) iNmips++;
+ }
+ }
+ }
+
+ pCluster->CFM(iNckovs,iNfeeds,iNmips);
+//
delete [] pindex;
+ ToAliDebug(1,pCluster->Print());
+ AliDebug(1,"Stop.");
}//FindClusterContribs()
//__________________________________________________________________________________________________
void AliRICHClusterFinder::FormRawCluster(Int_t i, Int_t j)
{
-// Builder of the final Raw Cluster (before deconvolution)
- if(GetDebug()) Info("FormRawCluster","Start with digit(%i,%i)",i,j);
+//Builds the raw cluster (before deconvolution). Starts from the first pad (i,j) then calls itself recursevly for all neighbours.
+ AliDebug(1,Form("Start with digit(%i,%i) Q=%f",i,j,((AliRICHDigit*)fDigitMap->GetHit(i,j))->Q()));
- fRawCluster.AddDigit((AliRICHdigit*) fHitMap->GetHit(i,j));
- fHitMap->FlagHit(i,j);// Flag hit as taken
+ fRawCluster.AddDigit((AliRICHDigit*) fDigitMap->GetHit(i,j));//take this pad in cluster
+ fDigitMap->FlagHit(i,j);//flag this pad as taken
Int_t listX[4], listY[4]; // Now look recursively for all neighbours
- for (Int_t iNeighbour=0;iNeighbour<Rich()->P()->PadNeighbours(i,j,listX,listY);iNeighbour++)
- if(fHitMap->TestHit(listX[iNeighbour],listY[iNeighbour])==kUnused)
- FormRawCluster(listX[iNeighbour],listY[iNeighbour]);
+ for (Int_t iNei=0;iNei<R()->P()->PadNeighbours(i,j,listX,listY);iNei++)
+ if(fDigitMap->TestHit(listX[iNei],listY[iNei])==kUnused) FormRawCluster(listX[iNei],listY[iNei]);
}//FormRawCluster()
//__________________________________________________________________________________________________
-void AliRICHClusterFinder::ResolveCluster()
-{// Decluster algorithm
- if(GetDebug()) {Info("ResolveCluster","Start."); fRawCluster.Print();}
-
- switch (fRawCluster.Size()) {
-
- case 1: // nothing to decluster: cluster size = 1
- WriteRawCluster();break;
- default: // cluster size > 1: if=2 FitCoG; if>2 Resolve and FitCoG
- FitCoG();break;
- }
-}//ResolveCluster()
+void AliRICHClusterFinder::FindLocalMaxima()
+{
+//find number of local maxima in the current raw cluster and then calculates initial center of gravity
+ fNlocals=0;
+ AliDebug(1,Form("Cluster size of the Raw cluster ---> %i",fRawCluster.Size()));
+ for(Int_t iDig1=0;iDig1<fRawCluster.Size();iDig1++) {
+ Int_t iNotMax = 0;
+ AliRICHDigit *pDig1 = (AliRICHDigit *)fRawCluster.Digits()->At(iDig1);
+ if(!pDig1) {fNlocals=0;return;}
+ TVector pad1 = pDig1->Pad();
+ Int_t padQ1 = (Int_t)(pDig1->Q()+0.1);
+ Int_t padC1 = pDig1->ChFbMi();
+ for(Int_t iDig2=0;iDig2<fRawCluster.Size();iDig2++) {
+ AliRICHDigit *pDig2 = (AliRICHDigit *)fRawCluster.Digits()->At(iDig2);
+ if(!pDig2) {fNlocals=0;return;}
+ TVector pad2 = pDig2->Pad();
+ Int_t padQ2 = (Int_t)(pDig2->Q()+0.1);
+ if(iDig1==iDig2) continue;
+ Int_t diffx = TMath::Sign(Int_t(pad1[0]-pad2[0]),1);
+ Int_t diffy = TMath::Sign(Int_t(pad1[1]-pad2[1]),1);
+ if((diffx+diffy)<=1) {
+ if(padQ2>=padQ1) iNotMax++;
+ }
+ }
+ if(iNotMax==0) {
+ if (fNlocals<100) {
+ TVector2 x2=AliRICHParam::Pad2Loc(pad1);
+ fLocalX[fNlocals]=x2.X();fLocalY[fNlocals]=x2.Y();
+ fLocalQ[fNlocals] = (Double_t)padQ1;
+ fLocalC[fNlocals] = padC1;
+ fNlocals++;
+ }
+ }
+ }
+ AliDebug(1,Form("Number of local maxima found ---> %i",fNlocals));
+ fRawCluster.CoG(fNlocals); //first initial approximation of the CoG...to start minimization.
+}//FindLocalMaxima()
//__________________________________________________________________________________________________
void AliRICHClusterFinder::WriteRawCluster()
{
-// out the current raw cluster
- if(GetDebug()) Info("WriteRawCluster","Start.");
+//Add the current raw cluster to the list of clusters
+ AliDebug(1,"Start.");
+
+ FindClusterContribs(&fRawCluster);
+ R()->ClusterAdd(fRawCluster);
- FindClusterContribs(&fRawCluster);
- if(GetDebug()) fRawCluster.Dump();
- Rich()->AddCluster(fRawCluster);
-// fRawCluster.Print();
+ ToAliDebug(1,fRawCluster.Print()); AliDebug(1,"Stop.");
}//WriteRawCluster()
//__________________________________________________________________________________________________
void AliRICHClusterFinder::WriteResolvedCluster()
{
-// out the current resolved cluster
- if(GetDebug()) Info("WriteResolvedCluster","Start.");
+//Add the current resolved cluster to the list of clusters
+ AliDebug(1,"Start.");
-// FindClusterContribs(&fResolvedCluster);
- Rich()->AddCluster(fResolvedCluster);
+ FindClusterContribs(&fResolvedCluster);
+ R()->ClusterAdd(fResolvedCluster);
+ ToAliDebug(1,fResolvedCluster.Print()); AliDebug(1,"Stop.");
}//WriteResolvedCluster()
//__________________________________________________________________________________________________
void AliRICHClusterFinder::FitCoG()
-{// Fit cluster size 2 by single Mathieson
- if(GetDebug()) Info("FitCoG","Start with size %3i and local maxima %3i",fRawCluster.Size(),fNlocals);
+{
+//Fits cluster of size by the corresponding number of Mathieson shapes.
+//This methode is only invoked in case everything is ok to start deconvolution
+ AliDebug(1,"Start with:"); ToAliDebug(1,fRawCluster.Print());
Double_t arglist;
Int_t ierflag = 0;
-// fRawCluster.Print();
-// if(fNlocals==0) fRawCluster.Print();
- if(fNlocals==0||fNlocals>3) {WriteRawCluster();return;}
-
- TMinuit *pMinuit = new TMinuit(3*fNlocals-1);
+ AliDebug(1,Form("MINUIT Started with %i parameters and %i local maxima",3*fNlocals-1,fNlocals));
+
+// TMinuit *pMinuit = new TMinuit(3*fNlocals-1);
+ TMinuit *pMinuit = new TMinuit(100);
pMinuit->mninit(5,10,7);
arglist = -1;
pMinuit->SetFCN(RICHMinMathieson);
Double_t vstart,lower, upper;
- Double_t stepX= 0.001;
- Double_t stepY= 0.001;
- Double_t stepQ= 0.0001;
+ Double_t stepX= 0.01;
+ Double_t stepY= 0.01;
+ Double_t stepQ= 0.01;
for(Int_t i=0;i<fNlocals;i++) {
+ AliDebug(1,Form(" local minimum n. %i with Xstart %f and Ystart %f",i,fLocalX[i],fLocalY[i]));
vstart = fLocalX[i];
lower = vstart - 2*AliRICHParam::PadSizeX();
upper = vstart + 2*AliRICHParam::PadSizeX();
pMinuit->mnparm(3*i ,Form("xCoG %i",i),vstart,stepX,lower,upper,ierflag);
-// cout << Form("xCoG %i",i) << "start " << vstart << "lower " << lower << "upper " << upper << endl;
+ AliDebug(1,Form("xCoG %i vstart %f lower %f upper %f ",i,vstart,lower,upper));
+
vstart = fLocalY[i];
lower = vstart - 2*AliRICHParam::PadSizeY();
upper = vstart + 2*AliRICHParam::PadSizeY();
pMinuit->mnparm(3*i+1,Form("yCoG %i",i),vstart,stepY,lower,upper,ierflag);
-// cout << Form("yCoG %i",i) << "start " << vstart << "lower " << lower << "upper " << upper << endl;
+ AliDebug(1,Form("yCoG %i vstart %f lower %f upper %f ",i,vstart,lower,upper));
if(i==fNlocals-1) break; // last parameter is constrained
vstart = fLocalQ[i]/fRawCluster.Q();
lower = 0;
upper = 1;
pMinuit->mnparm(3*i+2,Form("qfrac %i",i),vstart,stepQ,lower,upper,ierflag);
-// cout << Form("qCoG %i",i) << "start " << vstart << "lower " << lower << "upper " << upper << endl;
-
+ AliDebug(1,Form("qfrac %i vstart %f lower %f upper %f ",i,vstart,lower,upper));
}
arglist = -1;
arglist = -1;
pMinuit->mnexcm("SIMPLEX",&arglist, 0, ierflag);
pMinuit->mnexcm("MIGRAD",&arglist, 0, ierflag);
- pMinuit->mnexcm("EXIT" ,&arglist, 0, ierflag);
-
+// pMinuit->mnexcm("EXIT" ,&arglist, 0, ierflag);
+
Double_t xCoG[50],yCoG[50],qfracCoG[50];
Double_t eps, b1, b2;
qfraclast+=qfracCoG[i];
}
qfracCoG[fNlocals-1] = 1 - qfraclast;
- delete pMinuit;
- for(Int_t i=0;i<fNlocals;i++) {
+ delete pMinuit;
- if(fNlocals==5) {
- cout << " Start writing deconvolved cluster n." << i << endl;
- cout << " fRawCluster " << &fRawCluster << " xCoG " << xCoG[i] << " yCoG " << yCoG[i] << " qfrac " << qfracCoG[i] << endl;
- cout << " Combipid " << fLocalC[i] << " for maximum n. " << i << endl;
- }
+ for(Int_t i=0;i<fNlocals;i++){//resolved positions loop
fResolvedCluster.Fill(&fRawCluster,xCoG[i],yCoG[i],qfracCoG[i],fLocalC[i]);
-// fResolvedCluster.Print();
WriteResolvedCluster();
}
-if(fNlocals==5) Info("CoG","Stop.");
+
+
+ AliDebug(1,"Stop.");
+
}//FitCoG()
//__________________________________________________________________________________________________
void RICHMinMathieson(Int_t &npar, Double_t *, Double_t &chi2, Double_t *par, Int_t )
{
-// Mathieson minimization function
+//Mathieson minimization function
- AliRICHcluster *pRawCluster = ((AliRICHClusterFinder*)gMinuit->GetObjectFit())->GetRawCluster();
+ AliRICHCluster *pRawCluster = ((AliRICHClusterFinder*)gMinuit->GetObjectFit())->GetRawCluster();
TVector2 centroid[50];
Double_t q[50];
chi2 = 0;
Int_t qtot = pRawCluster->Q();
for(Int_t i=0;i<pRawCluster->Size();i++) {
- Int_t padX = ((AliRICHdigit *)pRawCluster->Digits()->At(i))->X();
- Int_t padY = ((AliRICHdigit *)pRawCluster->Digits()->At(i))->Y();
- Double_t padQ = ((AliRICHdigit *)pRawCluster->Digits()->At(i))->Q();
+ TVector pad=((AliRICHDigit *)pRawCluster->Digits()->At(i))->Pad();
+ Double_t padQ = ((AliRICHDigit *)pRawCluster->Digits()->At(i))->Q();
Double_t qfracpar=0;
for(Int_t j=0;j<nFunctions;j++) {
- qfracpar += q[j]*AliRICHParam::FracQdc(centroid[j],padX,padY);
-// cout << " function n. " << j+1 << " q " << q[j] << " fracMat " << AliRICHParam::FracQdc(centroid[j],padX,padY)
-// << " xpar " << centroid[j].X() << " ypar " << centroid[j].Y() << endl;
+ qfracpar += q[j]*AliRICHParam::FracQdc(centroid[j],pad);
}
chi2 += TMath::Power((qtot*qfracpar-padQ),2)/padQ;
-// cout << " chi2 " << chi2 << " pad n. " << i << " qfracpar " << qfracpar << endl;
}
-// if(iflag==3) {
-// cout << " chi2 final " << chi2 << endl;
-// }
}//RICHMinMathieson()
+//__________________________________________________________________________________________________