// **************************************************************************
#include "AliHMPIDCluster.h" //class header
+#include <TVirtualFitter.h> //Solve()
#include <TMinuit.h> //Solve()
#include <TClonesArray.h> //Solve()
#include <TMarker.h> //Draw()
+
+#include "AliLog.h" //FindCusterSize()
+
+Bool_t AliHMPIDCluster::fgDoCorrSin=kTRUE;
+
ClassImp(AliHMPIDCluster)
+
+
+void AliHMPIDCluster::SetClusterParams(Double_t xL,Double_t yL,Int_t iCh )
+{
+ //------------------------------------------------------------------------
+ //Set the cluster properties for the AliCluster3D part
+ //------------------------------------------------------------------------
+
+ fParam = AliHMPIDParam::Instance();
+
+ if(!fParam->GetInstType()) //if there is no geometry we cannot retrieve the volId (only for monitoring)
+ {
+ new(this) AliCluster3D(); return;
+ }
+
+ //Get the volume ID from the previously set PNEntry
+ UShort_t volId=AliGeomManager::LayerToVolUID(AliGeomManager::kHMPID,iCh);
+
+
+ //get L->T cs matrix for a given chamber
+ const TGeoHMatrix *t2l= AliGeomManager::GetTracking2LocalMatrix(volId);
+
+ fParam = AliHMPIDParam::Instance();
+
+ //transformation from the pad cs to local
+ xL -= 0.5*fParam->SizeAllX(); //size of all pads with dead zones included
+ yL -= 0.5*fParam->SizeAllY();
+
+ // Get the position in the tracking cs
+ Double_t posL[3]={xL, yL, 0.}; //this is the LORS of HMPID
+ Double_t posT[3];
+ t2l->MasterToLocal(posL,posT);
+
+ //Get the cluster covariance matrix in the tracking cs
+ Double_t covL[9] = {
+ 0.8*0.8/12., 0., 0.0, //pad size X
+ 0., 0.84*0.84/12., 0.0, //pad size Y
+ 0., 0., 0.1, //just 1 , no Z dimension ???
+ };
+
+ TGeoHMatrix m;
+ m.SetRotation(covL);
+ m.Multiply(t2l);
+ m.MultiplyLeft(&t2l->Inverse());
+ Double_t *covT = m.GetRotationMatrix();
+
+ new(this) AliCluster3D(volId, // Can be done safer
+ posT[0],posT[1],posT[2],
+ covT[0],covT[1],covT[2],
+ covT[4],covT[5],
+ covT[8],
+ 0x0); // No MC labels ?
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+AliHMPIDCluster::~AliHMPIDCluster()
+{
+ if(fDigs) delete fDigs; fDigs=0;
+ //PH if(fParam) delete fParam; fParam=0;
+}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDCluster::CoG()
{
// Calculates naive cluster position as a center of gravity of its digits.
// Arguments: none
// Returns: none
-
-// if(fDigs==0) return; //no digits in this cluster
- fX=fY=fQ=0; //set cluster position to (0,0) to start to collect contributions
- Int_t maxQpad=-1,maxQ=-1; //to calculate the pad with the highest charge
- AliHMPIDDigit *pDig;
- for(Int_t iDig=0;iDig<fDigs->GetEntriesFast();iDig++){//digits loop
- pDig=(AliHMPIDDigit*)fDigs->At(iDig); //get pointer to next digit
- Float_t q=pDig->Q(); //get QDC
- fX += pDig->LorsX()*q;fY +=pDig->LorsY()*q; //add digit center weighted by QDC
- fQ+=q; //increment total charge
- if(q>maxQ) {maxQpad = pDig->Pad();maxQ=(Int_t)q;} // to find pad with highest charge
+ Int_t minPadX=999,minPadY=999,maxPadX=-1,maxPadY=-1; //for box finding
+ if(fDigs==0) return; //no digits in this cluster
+ fXX=fYY=fQRaw=0; //init summable parameters
+ fCh = -1; //init chamber
+ Int_t maxQpad=-1,maxQ=-1; //to calculate the pad with the highest charge
+ AliHMPIDDigit *pDig=0x0;
+ for(Int_t iDig=0;iDig<fDigs->GetEntriesFast();iDig++){ //digits loop
+ pDig=(AliHMPIDDigit*)fDigs->At(iDig); //get pointer to next digit
+ if(!pDig) continue; //protection
+ if(pDig->PadPcX() > maxPadX) maxPadX = pDig->PadPcX(); // find the minimum box that contain the cluster MaxX
+ if(pDig->PadPcY() > maxPadY) maxPadY = pDig->PadPcY(); // MaxY
+ if(pDig->PadPcX() < minPadX) minPadX = pDig->PadPcX(); // MinX
+ if(pDig->PadPcY() < minPadY) minPadY = pDig->PadPcY(); // MinY
+
+ Float_t q=pDig->Q(); //get QDC
+ fXX += pDig->LorsX()*q;fYY +=pDig->LorsY()*q; //add digit center weighted by QDC
+ fQRaw+=q; //increment total charge
+ if(q>maxQ) {maxQpad = pDig->Pad();maxQ=(Int_t)q;} // to find pad with highest charge
+ fCh=pDig->Ch(); //initialize chamber number
}//digits loop
- if ( fQ != 0 ) fX/=fQ;fY/=fQ; //final center of gravity
-
- CorrSin(); //correct it by sinoid
- fCh=pDig->Ch(); //initialize chamber number
- fMaxQpad = maxQpad; fMaxQ=maxQ; //store max charge pad to the field
- fXi=fX+99; fYi=fY+99; fQi=fQ+99; //initial local max position is to be shifted artificially
+ fBox=(maxPadX-minPadX+1)*100+maxPadY-minPadY+1; // dimension of the box: format Xdim*100+Ydim
+
+ if ( fQRaw != 0 ) {fXX/=fQRaw;fYY/=fQRaw;} //final center of gravity
+
+ if(fDigs->GetEntriesFast()>1&&fgDoCorrSin)CorrSin(); //correct it by sinoid
+
+ fQ = fQRaw; // Before starting fit procedure, Q and QRaw must be equal
+ fMaxQpad = maxQpad; fMaxQ=maxQ; //store max charge pad to the field
+ fChi2=0; // no Chi2 to find
+ fNlocMax=0; // proper status from this method
fSt=kCoG;
+
+ SetClusterParams(fXX,fYY,fCh); //need to fill the AliCluster3D part
+
}//CoG()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDCluster::CorrSin()
// Correction of cluster x position due to sinoid, see HMPID TDR page 30
// Arguments: none
// Returns: none
- AliHMPIDDigit dig;dig.Manual1(Ch(),fX,fY); //tmp digit to get it center
- Float_t x=fX-dig.LorsX();
- fX+=3.31267e-2*TMath::Sin(2*TMath::Pi()/0.8*x)-2.66575e-3*TMath::Sin(4*TMath::Pi()/0.8*x)+2.80553e-3*TMath::Sin(6*TMath::Pi()/0.8*x)+0.0070;
+ Int_t pc,px,py;
+ fParam->Lors2Pad(fXX,fYY,pc,px,py); //tmp digit to get it center
+ Float_t x=fXX-fParam->LorsX(pc,px); //diff between cluster x and center of the pad contaning this cluster
+ fXX+=3.31267e-2*TMath::Sin(2*TMath::Pi()/0.8*x)-2.66575e-3*TMath::Sin(4*TMath::Pi()/0.8*x)+2.80553e-3*TMath::Sin(6*TMath::Pi()/0.8*x)+0.0070;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDCluster::Draw(Option_t*)
{
- TMarker *pMark=new TMarker(X(),Y(),5); pMark->SetMarkerColor(kBlue); pMark->Draw();
+ TMarker *pMark=new TMarker(X(),Y(),5); pMark->SetUniqueID(fSt);pMark->SetMarkerColor(kBlue); pMark->Draw();
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void AliHMPIDCluster::FitFunc(Int_t &iNpars, Double_t *, Double_t &chi2, Double_t *par, Int_t )
+void AliHMPIDCluster::FitFunc(Int_t &iNpars, Double_t* deriv, Double_t &chi2, Double_t *par, Int_t iflag)
{
// Cluster fit function
// par[0]=x par[1]=y par[2]=q for the first Mathieson shape
// par[3]=x par[4]=y par[5]=q for the second Mathieson shape and so on up to iNpars/3 Mathieson shapes
-// For each pad of the cluster calculates the difference between actual pad charge and the charge induced to this pad by all Mathieson distributions
+// For each pad of the cluster calculates the difference between actual pad charge and the charge induced to this pad by all Mathieson distributions
// Then the chi2 is calculated as the sum of this value squared for all pad in the cluster.
// Arguments: iNpars - number of parameters which is number of local maxima of cluster * 3
// chi2 - function result to be minimised
// par - parameters array of size iNpars
// Returns: none
- AliHMPIDCluster *pClu=(AliHMPIDCluster*)gMinuit->GetObjectFit();
- Int_t iNshape = iNpars/3;
-
+
+ AliHMPIDCluster *pClu=(AliHMPIDCluster*)TVirtualFitter::GetFitter()->GetObjectFit();
+
+ Int_t nPads = pClu->Size();
+
chi2 = 0;
- for(Int_t i=0;i<pClu->Size();i++){ //loop on all pads of the cluster
- Double_t dQpadMath = 0; //pad charge collector
- for(Int_t j=0;j<iNshape;j++){ //Mathiesons loop as all of them may contribute to this pad
- dQpadMath+=par[3*j+2]*pClu->Dig(i)->Mathieson(par[3*j],par[3*j+1]); // par[3*j+2] is charge par[3*j] is x par[3*j+1] is y of current Mathieson
+
+ Int_t iNshape = iNpars/3;
+
+ for(Int_t i=0;i<nPads;i++){ //loop on all pads of the cluster
+ Double_t dQpadMath = 0;
+ for(Int_t j=0;j<iNshape;j++){ //Mathiesons loop as all of them may contribute to this pad
+ Double_t fracMathi = pClu->Dig(i)->IntMathieson(par[3*j],par[3*j+1]);
+ dQpadMath+=par[3*j+2]*fracMathi; // par[3*j+2] is charge par[3*j] is x par[3*j+1] is y of current Mathieson
+ }
+ if(dQpadMath>0 && pClu->Dig(i)->Q()>0) {
+ chi2 +=TMath::Power((pClu->Dig(i)->Q()-dQpadMath),2)/pClu->Dig(i)->Q(); //chi2 function to be minimized
}
- chi2 +=TMath::Power((pClu->Dig(i)->Q()-dQpadMath),2); //
- } //loop on all pads of the cluster
+ }
+//---calculate gradients...
+ if(iflag==2) {
+ Double_t **derivPart;
+
+ derivPart = new Double_t*[iNpars];
+
+ for(Int_t j=0;j<iNpars;j++){
+ deriv[j] = 0;
+ derivPart[j] = new Double_t[nPads];
+ for(Int_t i=0;i<nPads;i++){
+ derivPart[j][i] = 0;
+ }
+ }
+
+ for(Int_t i=0;i<nPads;i++){ //loop on all pads of the cluster
+ for(Int_t j=0;j<iNshape;j++){ //Mathiesons loop as all of them may contribute to this pad
+ Double_t fracMathi = pClu->Dig(i)->IntMathieson(par[3*j],par[3*j+1]);
+ derivPart[3*j ][i] += par[3*j+2]*(pClu->Dig(i)->MathiesonX(par[3*j]-pClu->Dig(i)->LorsX()-0.5*AliHMPIDParam::SizePadX())-
+ pClu->Dig(i)->MathiesonX(par[3*j]-pClu->Dig(i)->LorsX()+0.5*AliHMPIDParam::SizePadX()))*
+ pClu->Dig(i)->IntPartMathiY(par[3*j+1]);
+ derivPart[3*j+1][i] += par[3*j+2]*(pClu->Dig(i)->MathiesonY(par[3*j+1]-pClu->Dig(i)->LorsY()-0.5*AliHMPIDParam::SizePadY())-
+ pClu->Dig(i)->MathiesonY(par[3*j+1]-pClu->Dig(i)->LorsY()+0.5*AliHMPIDParam::SizePadY()))*
+ pClu->Dig(i)->IntPartMathiX(par[3*j]);
+ derivPart[3*j+2][i] += fracMathi;
+ }
+ }
+ //loop on all pads of the cluster
+ for(Int_t i=0;i<nPads;i++){ //loop on all pads of the cluster
+ Double_t dQpadMath = 0; //pad charge collector
+ for(Int_t j=0;j<iNshape;j++){ //Mathiesons loop as all of them may contribute to this pad
+ Double_t fracMathi = pClu->Dig(i)->IntMathieson(par[3*j],par[3*j+1]);
+ dQpadMath+=par[3*j+2]*fracMathi;
+ if(dQpadMath>0 && pClu->Dig(i)->Q()>0) {
+ deriv[3*j] += 2/pClu->Dig(i)->Q()*(pClu->Dig(i)->Q()-dQpadMath)*derivPart[3*j ][i];
+ deriv[3*j+1] += 2/pClu->Dig(i)->Q()*(pClu->Dig(i)->Q()-dQpadMath)*derivPart[3*j+1][i];
+ deriv[3*j+2] += 2/pClu->Dig(i)->Q()*(pClu->Dig(i)->Q()-dQpadMath)*derivPart[3*j+2][i];
+ }
+ }
+ }
+ //delete array...
+ for(Int_t i=0;i<iNpars;i++) delete [] derivPart[i]; delete [] derivPart;
+ }
+//---gradient calculations ended
+
+// fit ended. Final calculations
+
+
}//FitFunction()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDCluster::Print(Option_t* opt)const
case kUnf : status="unfolded (fit)" ;break;
case kCoG : status="coged " ;break;
case kLo1 : status="locmax 1 (fit)" ;break;
- case kAbn : status="abnorm (fit)" ;break;
case kMax : status="exceeded (cog)" ;break;
case kNot : status="not done (cog)" ;break;
case kEmp : status="empty " ;break;
case kEdg : status="edge (fit)" ;break;
case kSi1 : status="size 1 (cog)" ;break;
case kNoLoc: status="no LocMax(fit)" ;break;
+ case kAbn : status="Abnormal fit " ;break;
+ case kBig : status="Big Clu(>100) " ;break;
default: status="??????" ;break;
}
- Printf("%sCLU:(%7.3f,%7.3f) Q=%8.3f ch=%i, FormedSize=%2i N loc. max. %i Box %i Chi2 %7.3f %s",
- opt, X(), Y(), Q(), Ch(), Size(), fNlocMax, fBox, fChi2, status);
+ Double_t ratio=0;
+ if(Q()>0&&QRaw()>0) ratio = Q()/QRaw()*100;
+ Printf("%sCLU: ch=%i (%7.3f,%7.3f) Q=%8.3f Qraw=%8.3f(%3.0f%%) Size=%2i DimBox=%i LocMax=%i Chi2=%7.3f %s",
+ opt,Ch(),X(),Y(),Q(),QRaw(),ratio,Size(),fBox,fNlocMax,fChi2,status);
if(fDigs) fDigs->Print();
}//Print()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-Int_t AliHMPIDCluster::Solve(TClonesArray *pCluLst,Bool_t isTryUnfold)
+Int_t AliHMPIDCluster::Solve(TClonesArray *pCluLst,Int_t *pSigmaCut, Bool_t isTryUnfold)
{
//This methode is invoked when the cluster is formed to solve it. Solve the cluster means to try to unfold the cluster
//into the local maxima number of clusters. This methode is invoked by AliHMPIDRconstructor::Dig2Clu() on cluster by cluster basis.
//Arguments: pCluLst - cluster list pointer where to add new cluster(s)
// isTryUnfold - flag to switch on/off unfolding
// Returns: number of local maxima of original cluster
- CoG();
- // Printf("1 - fStatus: %d",fSt);
- Int_t iCluCnt=pCluLst->GetEntriesFast(); //get current number of clusters already stored in the list by previous operations
- if(isTryUnfold==kFALSE || Size()==1) { //if cluster contains single pad there is no way to improve the knowledge
- (isTryUnfold)?fSt=kSi1:fSt=kNot;
+ const Int_t kMaxLocMax=6; //max allowed number of loc max for fitting
+//
+ CoG(); //First calculate CoG for the given cluster
+
+ Int_t iCluCnt=pCluLst->GetEntriesFast(); //get current number of clusters already stored in the list by previous operations
+
+ Int_t rawSize = Size(); //get current raw cluster size
+
+ if(rawSize>100) {
+ fSt = kBig;
+ } else if(isTryUnfold==kFALSE) {
+ fSt = kNot;
+ } else if(rawSize==1) {
+ fSt = kSi1;
+ }
+
+ if(rawSize>100 || isTryUnfold==kFALSE || rawSize==1) { //No deconv if: 1 - big cluster (also avoid no zero suppression!)
+ // 2 - flag is set to FALSE
+ SetClusterParams(fXX,fYY,fCh); // 3 - size = 1
new ((*pCluLst)[iCluCnt++]) AliHMPIDCluster(*this); //add this raw cluster
return 1;
+
}
- // Printf("2 - fStatus: %d",fSt);
-//Phase 0. Initialise TMinuit
- const Int_t kMaxLocMax=6; //max allowed number of loc max for fitting
- TMinuit *pMinuit = new TMinuit(3*kMaxLocMax); //init MINUIT with this number of parameters (3 params per mathieson)
- pMinuit->SetObjectFit((TObject*)this); pMinuit->SetFCN(AliHMPIDCluster::FitFunc); //set fit function
- Double_t aArg=-1; Int_t iErrFlg; //tmp vars for TMinuit
- pMinuit->mnexcm("SET PRI",&aArg,1,iErrFlg); //suspend all printout from TMinuit
- pMinuit->mnexcm("SET NOW",&aArg,0,iErrFlg); //suspend all warning printout from TMinuit
-//Phase 1. Find number of local maxima. Strategy is to check if the current pad has QDC more then all neigbours. Also find the box contaning the cluster
- fNlocMax=0;
- Int_t minPadX=999,minPadY=999,maxPadX=-1,maxPadY=-1,pc=-1; //for box finding
- //Double_t lowX,highX,lowY,highY;
- // Printf("3 - fStatus: %d",fSt);
- for(Int_t iDig1=0;iDig1<Size();iDig1++) { //first digits loop
- AliHMPIDDigit *pDig1 = Dig(iDig1); //take next digit
- pc=pDig1->Pc(); //finding the box
+//Phase 0. Initialise Fitter
+ Double_t arglist[10];
+ Int_t ierflg = 0;
+ TVirtualFitter* fitter = TVirtualFitter::Fitter(this,3*6); //initialize Fitter
+ //
+ arglist[0] = -1;
+ ierflg = fitter->ExecuteCommand("SET PRI", arglist, 1); // no printout
+ ierflg = fitter->ExecuteCommand("SET NOW", arglist, 0); //no warning messages
+ arglist[0] = 1;
+ ierflg = fitter->ExecuteCommand("SET GRA", arglist, 1); //force Fitter to use my gradient
+
+ fitter->SetFCN(AliHMPIDCluster::FitFunc);
+
+// arglist[0] = 1;
+// ierflg = fitter->ExecuteCommand("SET ERR", arglist ,1);
+
+// Set starting values and step sizes for parameters
- if(pDig1->PadPcX() > maxPadX) maxPadX = pDig1->PadPcX();
- if(pDig1->PadPcY() > maxPadY) maxPadY = pDig1->PadPcY();
- if(pDig1->PadPcX() < minPadX) minPadX = pDig1->PadPcX();
- if(pDig1->PadPcY() < minPadY) minPadY = pDig1->PadPcY();
+//Phase 1. Find number of local maxima. Strategy is to check if the current pad has QDC more then all neigbours. Also find the box contaning the cluster
+ fNlocMax=0;
+
+ for(Int_t iDig1=0;iDig1<rawSize;iDig1++) { //first digits loop
- fBox=(maxPadX-minPadX+1)*100+maxPadY-minPadY+1;
+ AliHMPIDDigit *pDig1 = Dig(iDig1); //take next digit
+ Int_t iCnt = 0; //counts how many neighbouring pads has QDC more then current one
- Int_t iHowManyMoreCnt = 0; //counts how many neighbouring pads has QDC more then current one
- for(Int_t iDig2=0;iDig2<Size();iDig2++) { //loop on all digits again
+ for(Int_t iDig2=0;iDig2<rawSize;iDig2++) { //loop on all digits again
+
if(iDig1==iDig2) continue; //the same digit, no need to compare
AliHMPIDDigit *pDig2 = Dig(iDig2); //take second digit to compare with the first one
Int_t dist = TMath::Sign(Int_t(pDig1->PadChX()-pDig2->PadChX()),1)+TMath::Sign(Int_t(pDig1->PadChY()-pDig2->PadChY()),1);//distance between pads
if(dist==1) //means dig2 is a neighbour of dig1
- if(pDig2->Q()>=pDig1->Q()) iHowManyMoreCnt++; //count number of pads with Q more then Q of current pad
+ if(pDig2->Q()>=pDig1->Q()) iCnt++; //count number of pads with Q more then Q of current pad
+
}//second digits loop
- if(iHowManyMoreCnt==0&&fNlocMax<kMaxLocMax){ //this pad has Q more then any neighbour so it's local maximum
+
+ if(iCnt==0&&fNlocMax<kMaxLocMax){ //this pad has Q more then any neighbour so it's local maximum
- /*
- lowX = AliHMPIDDigit::LorsX(pc,minPadX) - 0.5 *AliHMPIDDigit::SizePadX();
- highX = AliHMPIDDigit::LorsX(pc,maxPadX) + 0.5 *AliHMPIDDigit::SizePadX();
- lowY = AliHMPIDDigit::LorsY(pc,minPadY) - 0.5 *AliHMPIDDigit::SizePadY();
- highY = AliHMPIDDigit::LorsY(pc,maxPadY) + 0.5 *AliHMPIDDigit::SizePadY();
- */
- //Double_t lowQ=0,highQ=30000;
+ Double_t xStart=pDig1->LorsX();Double_t yStart=pDig1->LorsY();
+ Double_t xMin=xStart-fParam->SizePadX();
+ Double_t xMax=xStart+fParam->SizePadX();
+ Double_t yMin=yStart-fParam->SizePadY();
+ Double_t yMax=yStart+fParam->SizePadY();
- fQi=pDig1->Q(); fXi=pDig1->LorsX(); fYi=pDig1->LorsY(); //initial position of this Mathieson is to be in the center of loc max pad
- /*
- pMinuit->mnparm(3*fNlocMax ,Form("x%i",fNlocMax),fXi,0.01,lowX,highX,iErrFlg);
- pMinuit->mnparm(3*fNlocMax+1,Form("y%i",fNlocMax),fYi,0.01,lowY,highY,iErrFlg);
- pMinuit->mnparm(3*fNlocMax+2,Form("q%i",fNlocMax),fQi,0.01,lowQ,highQ,iErrFlg);
- */
- pMinuit->mnparm(3*fNlocMax ,Form("x%i",fNlocMax),fXi,0.01,0,0,iErrFlg);
- pMinuit->mnparm(3*fNlocMax+1,Form("y%i",fNlocMax),fYi,0.01,0,0,iErrFlg);
- pMinuit->mnparm(3*fNlocMax+2,Form("q%i",fNlocMax),fQi,0.01,0,100000,iErrFlg);
+ ierflg = fitter->SetParameter(3*fNlocMax ,Form("x%i",fNlocMax),xStart,0.1,xMin,xMax); // X,Y,Q initial values of the loc max pad
+ ierflg = fitter->SetParameter(3*fNlocMax+1,Form("y%i",fNlocMax),yStart,0.1,yMin,yMax); // X, Y constrained to be near the loc max
+ ierflg = fitter->SetParameter(3*fNlocMax+2,Form("q%i",fNlocMax),pDig1->Q(),0.1,0,10000); // Q constrained to be positive
fNlocMax++;
+
}//if this pad is local maximum
}//first digits loop
- //Int_t fitChk=0;
-
//Phase 2. Fit loc max number of Mathiesons or add this current cluster to the list
-// Printf("4 - fStatus: %d",fSt);
- if ( fNlocMax == 0) { // case of no local maxima found: pads with same charge...
- pMinuit->mnparm(3*fNlocMax ,Form("x%i",fNlocMax),fX,0.01,0,0,iErrFlg);
- pMinuit->mnparm(3*fNlocMax+1,Form("y%i",fNlocMax),fY,0.01,0,0,iErrFlg);
- pMinuit->mnparm(3*fNlocMax+2,Form("q%i",fNlocMax),fQ,0.01,0,100000,iErrFlg);
+// case 1 -> no loc max found
+ if ( fNlocMax == 0) { // case of no local maxima found: pads with same charge...
fNlocMax = 1;
fSt=kNoLoc;
+ SetClusterParams(fXX,fYY,fCh); //need to fill the AliCluster3D part
+ new ((*pCluLst)[iCluCnt++]) AliHMPIDCluster(*this); //add new unfolded cluster
+ return fNlocMax;
}
-
- if ( fNlocMax >= kMaxLocMax)
- {
- fSt = kMax; new ((*pCluLst)[iCluCnt++]) AliHMPIDCluster(*this); //add this raw cluster
- }
- else{ //resonable number of local maxima to fit and user requested it
- Double_t arglist[10]; arglist[0] = 10000; arglist[1] = 1.; //number of steps and sigma on pads charges
- pMinuit->mnexcm("MIGRAD" ,arglist,0,iErrFlg); //start fitting
-
- if (iErrFlg)
- {
- fSt = kAbn; //fit fails, MINUIT returns error flag
- new ((*pCluLst)[iCluCnt++]) AliHMPIDCluster(*this); //add this raw cluster
+
+// case 2 -> loc max found. Check # of loc maxima
+ if ( fNlocMax >= kMaxLocMax) {
+ SetClusterParams(fXX,fYY,fCh); // if # of local maxima exceeds kMaxLocMax...
+ fSt = kMax; new ((*pCluLst)[iCluCnt++]) AliHMPIDCluster(*this); //...add this raw cluster
+ } else { //or resonable number of local maxima to fit and user requested it
+ // Now ready for minimization step
+ arglist[0] = 500; //number of steps and sigma on pads charges
+ arglist[1] = 1.; //
+
+ ierflg = fitter->ExecuteCommand("SIMPLEX",arglist,2); //start fitting with Simplex
+ if (!ierflg)
+ fitter->ExecuteCommand("MIGRAD" ,arglist,2); //fitting improved by Migrad
+ if(ierflg) {
+ Double_t strategy=2;
+ ierflg = fitter->ExecuteCommand("SET STR",&strategy,1); //change level of strategy
+ if(!ierflg) {
+ ierflg = fitter->ExecuteCommand("SIMPLEX",arglist,2); //start fitting with Simplex
+ if (!ierflg)
+ fitter->ExecuteCommand("MIGRAD" ,arglist,2); //fitting improved by Migrad
}
- else
- { //Only if MIGRAD converged normally
- Double_t d2,d3; TString sName; //vars to get results from TMinuit
- for(Int_t i=0;i<fNlocMax;i++){ //local maxima loop
- pMinuit->mnpout(3*i ,sName, fX, fXe , d2, d3, iErrFlg);
- pMinuit->mnpout(3*i+1 ,sName, fY, fYe , d2, d3, iErrFlg);
- pMinuit->mnpout(3*i+2 ,sName, fQ, fQe , d2, d3, iErrFlg);
- pMinuit->mnstat(fChi2,d2,d2,iErrFlg,iErrFlg,iErrFlg);
-
- if(fNlocMax!=1)fSt=kUnf;
- if(fNlocMax==1&&fSt!=kNoLoc) fSt=kLo1;
- if ( !IsInPc()) fSt = kEdg;
- if(fSt==kNoLoc) fNlocMax=0;
- new ((*pCluLst)[iCluCnt++]) AliHMPIDCluster(*this); //add new unfolded cluster
- }
+ }
+ if(ierflg) fSt=kAbn; //no convergence of the fit...
+ Double_t dummy; char sName[80]; //vars to get results from Minuit
+ Double_t edm, errdef;
+ Int_t nvpar, nparx;
+
+ for(Int_t i=0;i<fNlocMax;i++){ //store the local maxima parameters
+ fitter->GetParameter(3*i ,sName, fXX, fErrX , dummy, dummy); // X
+ fitter->GetParameter(3*i+1 ,sName, fYY, fErrY , dummy, dummy); // Y
+ fitter->GetParameter(3*i+2 ,sName, fQ, fErrQ , dummy, dummy); // Q
+ fitter->GetStats(fChi2, edm, errdef, nvpar, nparx); //get fit infos
+
+ if(fNlocMax>1)FindClusterSize(i,pSigmaCut); //find clustersize for deconvoluted clusters
+ //after this call, fSi temporarly is the calculated size. Later is set again
+ //to its original value
+ if(fSt!=kAbn) {
+ if(fNlocMax!=1)fSt=kUnf; // if unfolded
+ if(fNlocMax==1&&fSt!=kNoLoc) fSt=kLo1; // if only 1 loc max
+ if ( !IsInPc()) fSt = kEdg; // if Out of Pc
+ if(fSt==kNoLoc) fNlocMax=0; // if with no loc max (pads with same charge..)
}
+ SetClusterParams(fXX,fYY,fCh); //need to fill the AliCluster3D part
+ new ((*pCluLst)[iCluCnt++]) AliHMPIDCluster(*this); //add new unfolded cluster
+ if(fNlocMax>1)SetSize(rawSize); //Original raw size is set again to its proper value
+ }
}
-
-
-
-
- delete pMinuit;
- return fNlocMax;
+ return fNlocMax;
+
}//Solve()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDCluster::FindClusterSize(Int_t i,Int_t *pSigmaCut)
+{
+
+//Estimate of the clustersize for a deconvoluted cluster
+ Int_t size = 0;
+ for(Int_t iDig=0;iDig<Size();iDig++) { //digits loop
+ AliHMPIDDigit *pDig = Dig(iDig); //take digit
+ Int_t iCh = pDig->Ch();
+ Double_t qPad = Q()*pDig->IntMathieson(X(),Y()); //pad charge
+ AliDebug(1,Form("Chamber %i X %i Y %i SigmaCut %i pad %i qpadMath %8.2f qPadRaw %8.2f Qtotal %8.2f cluster n.%i",iCh,pDig->PadChX(),pDig->PadChY(),
+ pSigmaCut[iCh],iDig,qPad,pDig->Q(),QRaw(),i));
+ if(qPad>pSigmaCut[iCh]) size++;
+ }
+ AliDebug(1,Form(" Calculated size %i",size));
+ if(size>0) SetSize(size); //in case of size == 0, original raw clustersize used
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff