]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - MUON/AliMUONClusterFinderVS.cxx
From Artur:
[u/mrichter/AliRoot.git] / MUON / AliMUONClusterFinderVS.cxx
index a1fc48704370858179b84f79b5cd211c019c063c..249bec2b498427c62bbc061acd74fa3805879db8 100644 (file)
@@ -23,7 +23,6 @@
 #include "AliMUONClusterFinderVS.h"
 #include "AliMUONDigit.h"
 #include "AliMUONRawCluster.h"
-#include "AliSegmentation.h"
 #include "AliMUONGeometrySegmentation.h"
 #include "AliMUONMathieson.h"
 #include "AliMUONClusterInput.h"
@@ -44,15 +43,10 @@ AliMUONClusterFinderVS::AliMUONClusterFinderVS()
 {
 // Default constructor
     fInput=AliMUONClusterInput::Instance();
-    fSegmentationType = fInput->GetSegmentationType();
-//     cout <<  " TYPE" << fSegmentationType << endl;
     fHitMap[0] = 0;
     fHitMap[1] = 0;
     fTrack[0]=fTrack[1]=-1;
-    fDebugLevel = 0; // make silent default
     fGhostChi2Cut = 1e6; // nothing done by default
-    fSeg[0]    = 0;
-    fSeg[1]    = 0;
     fSeg2[0]    = 0;
     fSeg2[1]    = 0;
 
@@ -97,7 +91,7 @@ void AliMUONClusterFinderVS::Decluster(AliMUONRawCluster *cluster)
 //____________________________________________________________________________
 void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
 {
-// Split complex cluster by local maxima 
+  // Split complex cluster by local maxima 
     Int_t cath, i;
 
     fInput->SetCluster(c);
@@ -112,24 +106,21 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
     Float_t qtot;
     
     for (cath=0; cath<2; cath++) {
-       qtot=0;
-       for (i=0; i<fMul[cath]; i++)
-       {
-           // pointer to digit
-           fDig[i][cath]=fInput->Digit(cath, c->GetIndex(i, cath));
-           // pad coordinates
-           fIx[i][cath]= fDig[i][cath]->PadX();
-           fIy[i][cath]= fDig[i][cath]->PadY();
-           // pad charge
-           fQ[i][cath] = fDig[i][cath]->Signal();
-           // pad centre coordinates
-           if (fSegmentationType == 1)
-             fSeg[cath]->
-               GetPadC(fIx[i][cath], fIy[i][cath], fX[i][cath], fY[i][cath], fZ[i][cath]);
-           else
-             fSeg2[cath]->
-               GetPadC(fInput->DetElemId(), fIx[i][cath], fIy[i][cath], fX[i][cath], fY[i][cath], fZ[i][cath]);
-       } // loop over cluster digits
+      qtot=0;
+
+      for (i=0; i<fMul[cath]; i++) {
+       // pointer to digit
+       fDig[i][cath]=fInput->Digit(cath, c->GetIndex(i, cath));
+       // pad coordinates
+       fIx[i][cath]= fDig[i][cath]->PadX();
+       fIy[i][cath]= fDig[i][cath]->PadY();
+       // pad charge
+       fQ[i][cath] = fDig[i][cath]->Signal();
+       // pad centre coordinates
+         fSeg2[cath]->
+           GetPadC(fInput->DetElemId(), fIx[i][cath], fIy[i][cath], fX[i][cath], fY[i][cath], fZ[i][cath]);
+      } // loop over cluster digits
+
     }  // loop over cathodes
 
 
@@ -176,18 +167,15 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
        c->SetChi2(0,chi2);
        c->SetChi2(1,chi2);
         // Force on anod
-       if (fSegmentationType == 1) {
-         c->SetX(0, fSeg[0]->GetAnod(c->GetX(0)));
-         c->SetX(1, fSeg[1]->GetAnod(c->GetX(1)));
-       } else {
-         c->SetX(0, fSeg2[0]->GetAnod(fInput->DetElemId(), c->GetX(0)));
-         c->SetX(1, fSeg2[1]->GetAnod(fInput->DetElemId(), c->GetX(1)));
-       }
-       
-// If reasonable chi^2 add result to the list of rawclusters
+
+       c->SetX(0, fSeg2[0]->GetAnod(fInput->DetElemId(), c->GetX(0)));
+       c->SetX(1, fSeg2[1]->GetAnod(fInput->DetElemId(), c->GetX(1)));
+
+       //      c->SetDetElemId(fInput->DetElemId());
+       // If reasonable chi^2 add result to the list of rawclusters
        if (chi2 < 0.3) {
            AddRawCluster(*c);
-// If not try combined double Mathieson Fit
+           // If not try combined double Mathieson Fit
        } else {
                AliDebug(1," MAUVAIS CHI2 !!!\n");
            if (fNLocal[0]==1 &&  fNLocal[1]==1) {
@@ -226,7 +214,7 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
            } else {
              AliDebug(1,"Do not Split");
                // Don't split
-               AddRawCluster(*c);
+             AddRawCluster(*c);
            }
        }
 
@@ -278,22 +266,15 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
        for (ico=0; ico<4; ico++) {
            accepted[ico]=kFALSE;
 // cathode one: x-coordinate
-           if (fSegmentationType == 1) {
-             isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
-             dpx=fSeg[0]->Dpx(isec)/2.;
-           } else {
-             isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
-             dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
-           }
+           isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
+           dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
+          
            dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
 // cathode two: y-coordinate
-           if (fSegmentationType == 1) {
-             isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
-             dpy=fSeg[1]->Dpy(isec)/2.;
-           } else {
-             isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
-             dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
-           }
+
+           isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
+           dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
+           
            dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
            AliDebug(2,Form("\n %i %f %f %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy, dx, dpx ));
            if ((dx <= dpx) && (dy <= dpy+eps)) {
@@ -360,7 +341,7 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
 // No combinations found between the 2 cathodes
 // We keep the center of gravity of the cluster
        if (iacc==0) {
-           AddRawCluster(*c);
+         AddRawCluster(*c);
        }
 
 // ******* iacc = 1 *******
@@ -456,14 +437,10 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
                                cnew.SetX(cath, Float_t(xm[ico][1]));
                                cnew.SetY(cath, Float_t(ym[ico][0]));
                                cnew.SetZ(cath, fZPlane);
-                               
                                cnew.SetMultiplicity(cath,c->GetMultiplicity(cath));
                                for (i=0; i<fMul[cath]; i++) {
                                  cnew.SetIndex(i, cath, c->GetIndex(i,cath));
-                                 if (fSegmentationType == 1) 
-                                   fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
-                                 else 
-                                   fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
+                                 fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
                                }
                                AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
                                AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
@@ -654,22 +631,13 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
        Float_t eps = 1.e-5;
 
        for (ico=0; ico<2; ico++) {
-           accepted[ico]=kFALSE;
-           if (fSegmentationType == 1) {
-             isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
-             dpx=fSeg[0]->Dpx(isec)/2.;
-           } else {
-             isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
-             dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
-           }
+           isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
+           dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
+           
            dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
-           if (fSegmentationType == 1) {
-             isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
-             dpy=fSeg[1]->Dpy(isec)/2.;
-           } else {
-             isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
-             dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
-           }
+           isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
+           dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
+          
            dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
            AliDebug(2,Form("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy ));
            if ((dx <= dpx) && (dy <= dpy+eps)) {
@@ -747,10 +715,7 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
                        cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
                        for (i=0; i<fMul[cath]; i++) {
                            cnew.SetIndex(i, cath, c->GetIndex(i, cath));
-                           if (fSegmentationType == 1) 
-                             fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
-                           else
-                             fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
+                           fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
 
                        }
                        AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
@@ -804,21 +769,13 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
        
        for (ico=0; ico<2; ico++) {
            accepted[ico]=kFALSE;
-           if (fSegmentationType == 1) {
-             isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
-             dpx=fSeg[0]->Dpx(isec)/2.;
-           } else {
-             isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
-             dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
-           }
+           isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
+           dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
+          
            dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
-           if (fSegmentationType == 1) {
-             isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
-             dpy=fSeg[1]->Dpy(isec)/2.;
-           } else {
-             isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
-             dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
-           }
+           isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
+           dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
+           
            dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
            AliDebug(1,Form("\n %i %f %f %f %f \n", ico, ym[ico][0], ym[ico][1], dy, dpy ));
            if ((dx <= dpx) && (dy <= dpy+eps)) {
@@ -896,11 +853,8 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
                        cnew.SetZ(cath, fZPlane);
                        cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
                        for (i=0; i<fMul[cath]; i++) {
-                           cnew.SetIndex(i, cath, c->GetIndex(i, cath));
-                           if (fSegmentationType == 1) 
-                             fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
-                           else 
-                             fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
+                         cnew.SetIndex(i, cath, c->GetIndex(i, cath));
+                         fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
                        }
                        AliDebug(1,Form("\nRawCluster %d cath %d\n",ico,cath));
                        AliDebug(1,Form("mult_av %d\n",c->GetMultiplicity(cath)));
@@ -952,21 +906,13 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
        AliDebug(1,Form("nIco %d\n",nIco));
        for (ico=0; ico<nIco; ico++) {
            AliDebug(1,Form("ico = %d\n",ico));
-           if (fSegmentationType == 1) {
-             isec=fSeg[0]->Sector(ixm[ico][0], iym[ico][0]);
-             dpx=fSeg[0]->Dpx(isec)/2.;
-           } else {
-             isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
-             dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
-           } 
+           isec=fSeg2[0]->Sector(fInput->DetElemId(), ixm[ico][0], iym[ico][0]);
+           dpx=fSeg2[0]->Dpx(fInput->DetElemId(), isec)/2.;
+           
            dx=TMath::Abs(xm[ico][0]-xm[ico][1]);
-           if (fSegmentationType == 1) {
-             isec=fSeg[1]->Sector(ixm[ico][1], iym[ico][1]);
-             dpy=fSeg[1]->Dpy(isec)/2.;
-           } else {
-             isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
-             dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
-           }
+           isec=fSeg2[1]->Sector(fInput->DetElemId(), ixm[ico][1], iym[ico][1]);
+           dpy=fSeg2[1]->Dpy(fInput->DetElemId(), isec)/2.;
+           
            dy=TMath::Abs(ym[ico][0]-ym[ico][1]);
                AliDebug(1,Form("dx %f dpx %f dy %f dpy %f\n",dx,dpx,dy,dpy));
                AliDebug(1,Form("  X %f Y %f\n",xm[ico][1],ym[ico][0]));
@@ -981,14 +927,12 @@ void AliMUONClusterFinderVS::SplitByLocalMaxima(AliMUONRawCluster *c)
                    cnew.SetMultiplicity(cath, c->GetMultiplicity(cath));
                    for (i=0; i<fMul[cath]; i++) {
                        cnew.SetIndex(i, cath, c->GetIndex(i, cath));
-                       if (fSegmentationType == 1) 
-                         fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
-                       else 
-                         fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
+                       fSeg2[cath]->SetPad(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
                    }
                    FillCluster(&cnew,cath);
                } 
                cnew.SetClusterType(cnew.PhysicsContribution());
+               //              cnew.SetDetElemId(fInput->DetElemId());
                AddRawCluster(cnew);
                fNPeaks++;
            }
@@ -1023,54 +967,51 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
 //  number of next neighbours and arrays to store them 
     Int_t nn;
     Int_t x[10], y[10];
-// loop over cathodes
+    // loop over cathodes
     for (cath=0; cath<2; cath++) {
-// loop over cluster digits
-       for (i=0; i<fMul[cath]; i++) {
-// get neighbours for that digit and assume that it is local maximum
-           if (fSegmentationType == 1)             
-             fSeg[cath]->Neighbours(fIx[i][cath], fIy[i][cath], &nn, x, y);
-           else 
-             fSeg2[cath]->Neighbours(fInput->DetElemId(), fIx[i][cath], fIy[i][cath], &nn, x, y);
+      // loop over cluster digits
+      for (i=0; i<fMul[cath]; i++) {
+       // get neighbours for that digit and assume that it is local maximum
+       Int_t isec;
+       Float_t a0;
 
-           isLocal[i][cath]=kTRUE;
-           Int_t isec= fSeg[cath]->Sector(fIx[i][cath], fIy[i][cath]);
-           Float_t a0 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
-// loop over next neighbours, if at least one neighbour has higher charger assumption
-// digit is not local maximum 
-           for (j=0; j<nn; j++) {
-               if (fHitMap[cath]->TestHit(x[j], y[j])==kEmpty) continue;
-               digt=(AliMUONDigit*) fHitMap[cath]->GetHit(x[j], y[j]);
-               Float_t a1;
-               if (fSegmentationType == 1) {
-                 isec=fSeg[cath]->Sector(x[j], y[j]);
-                 a1 = fSeg[cath]->Dpx(isec)*fSeg[cath]->Dpy(isec);
-               } else {
-                 isec=fSeg2[cath]->Sector(fInput->DetElemId(), x[j], y[j]);
-                 a1 = fSeg2[cath]->Dpx(fInput->DetElemId(),isec)*fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
-               }
-               if (digt->Signal()/a1 > fQ[i][cath]/a0) {
+       fSeg2[cath]->Neighbours(fInput->DetElemId(), fIx[i][cath], fIy[i][cath], &nn, x, y);
+         
+       isLocal[i][cath]=kTRUE;
+       isec = fSeg2[cath]->Sector(fInput->DetElemId(), fIx[i][cath], fIy[i][cath]);
+       a0   = fSeg2[cath]->Dpx(fInput->DetElemId(), isec)*fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
+       
+       // loop over next neighbours, if at least one neighbour has higher charger assumption
+       // digit is not local maximum 
+       for (j=0; j<nn; j++) {
+         if (fHitMap[cath]->TestHit(x[j], y[j])==kEmpty) continue;
+         digt=(AliMUONDigit*) fHitMap[cath]->GetHit(x[j], y[j]);
+         Float_t a1;
+         isec=fSeg2[cath]->Sector(fInput->DetElemId(), x[j], y[j]);
+         a1 = fSeg2[cath]->Dpx(fInput->DetElemId(),isec)*fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
+        
+         if (digt->Signal()/a1 > fQ[i][cath]/a0) {
+           isLocal[i][cath]=kFALSE;
+           break;
+           //
+           // handle special case of neighbouring pads with equal signal
+         } else if (digt->Signal() == fQ[i][cath]) {
+           if (fNLocal[cath]>0) {
+             for (Int_t k=0; k<fNLocal[cath]; k++) {
+               if (x[j]==fIx[fIndLocal[k][cath]][cath] 
+                   && y[j]==fIy[fIndLocal[k][cath]][cath])
+                 {
                    isLocal[i][cath]=kFALSE;
-                   break;
-//
-// handle special case of neighbouring pads with equal signal
-               } else if (digt->Signal() == fQ[i][cath]) {
-                   if (fNLocal[cath]>0) {
-                       for (Int_t k=0; k<fNLocal[cath]; k++) {
-                           if (x[j]==fIx[fIndLocal[k][cath]][cath] 
-                               && y[j]==fIy[fIndLocal[k][cath]][cath])
-                           {
-                               isLocal[i][cath]=kFALSE;
-                           } 
-                       } // loop over local maxima
-                   } // are there already local maxima
-               } // same charge ? 
-           } // loop over next neighbours
-           if (isLocal[i][cath]) {
-               fIndLocal[fNLocal[cath]][cath]=i;
-               fNLocal[cath]++;
-           } 
-       } // loop over all digits
+                 } 
+             } // loop over local maxima
+           } // are there already local maxima
+         } // same charge ? 
+       } // loop over next neighbours
+       if (isLocal[i][cath]) {
+         fIndLocal[fNLocal[cath]][cath]=i;
+         fNLocal[cath]++;
+       } 
+      } // loop over all digits
     } // loop over cathodes
 
     AliDebug(1,Form("\n Found %d %d %d %d local Maxima\n",
@@ -1092,15 +1033,10 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
        cath1=1;
        
        for (i=0; i<fMul[cath]; i++) {
-         if (fSegmentationType == 1) {
-           isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
-           dpy=fSeg[cath]->Dpy(isec);
-           dpx=fSeg[cath]->Dpx(isec);
-         } else {
-           isec=fSeg2[cath]->Sector(fInput->DetElemId(), fIx[i][cath],fIy[i][cath]);
-           dpy=fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
-           dpx=fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
-         }
+         isec=fSeg2[cath]->Sector(fInput->DetElemId(), fIx[i][cath],fIy[i][cath]);
+         dpy=fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
+         dpx=fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
+         
            if (isLocal[i][cath]) continue;
 // Pad position should be consistent with position of local maxima on the opposite cathode
            if ((TMath::Abs(fX[i][cath]-fX[fIndLocal[0][cath1]][cath1]) > dpx/2.) && 
@@ -1112,26 +1048,9 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
 // compare signal to that on the two neighbours on the left and on the right
 // iNN counts the number of neighbours with signal, it should be 1 or 2
            Int_t iNN=0;
-           if (fSegmentationType == 1) {
 
-             for (fSeg[cath]->FirstPad(fX[i][cath], fY[i][cath], fZPlane, 0., dpy);
-                  fSeg[cath]->MorePads();
-                  fSeg[cath]->NextPad())
-               {
-                 ix = fSeg[cath]->Ix();
-                 iy = fSeg[cath]->Iy();
-                 // skip the current pad
-                 if (iy == fIy[i][cath]) continue;
-               
-                 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
-                   iNN++;
-                   digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
-                   if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
-                 }
-               } // Loop over pad neighbours in y
-           } else {
 
-             for (fSeg2[cath]->FirstPad(fInput->DetElemId(), fX[i][cath], fY[i][cath], fZPlane, 0., dpy);
+           for (fSeg2[cath]->FirstPad(fInput->DetElemId(), fX[i][cath], fY[i][cath], fZPlane, 0., dpy);
                   fSeg2[cath]->MorePads(fInput->DetElemId());
                   fSeg2[cath]->NextPad(fInput->DetElemId()))
                {
@@ -1146,7 +1065,7 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
                    if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
                  }
                } // Loop over pad neighbours in y
-           }
+           
            if (isLocal[i][cath] && iNN>0) {
                fIndLocal[fNLocal[cath]][cath]=i;
                fNLocal[cath]++;
@@ -1176,15 +1095,10 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
 //
 //  Loop over cluster digits
        for (i=0; i<fMul[cath]; i++) {
-         if (fSegmentationType == 1) {
-           isec=fSeg[cath]->Sector(fIx[i][cath],fIy[i][cath]);
-           dpx=fSeg[cath]->Dpx(isec);
-           dpy=fSeg[cath]->Dpy(isec);
-         } else {
            isec=fSeg2[cath]->Sector(fInput->DetElemId(), fIx[i][cath],fIy[i][cath]);
            dpx=fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
            dpy=fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
-         }
+         
        
            if (isLocal[i][cath]) continue;
 // Pad position should be consistent with position of local maxima on the opposite cathode
@@ -1199,26 +1113,7 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
 
 // iNN counts the number of neighbours with signal, it should be 1 or 2
            Int_t iNN=0;
-           if (fSegmentationType == 1) {
-             for (fSeg[cath]->FirstPad(fX[i][cath], fY[i][cath], fZPlane, dpx, 0.);
-                  fSeg[cath]->MorePads();
-                  fSeg[cath]->NextPad())
-               {
-
-                 ix = fSeg[cath]->Ix();
-                 iy = fSeg[cath]->Iy();
-
-                 // skip the current pad
-                 if (ix == fIx[i][cath]) continue;
-               
-                 if (fHitMap[cath]->TestHit(ix, iy)!=kEmpty) {
-                   iNN++;
-                   digt=(AliMUONDigit*) fHitMap[cath]->GetHit(ix,iy);
-                   if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
-                 }
-               } // Loop over pad neighbours in x
-           } else {
-             for (fSeg2[cath]->FirstPad(fInput->DetElemId(), fX[i][cath], fY[i][cath], fZPlane, dpx, 0.);
+           for (fSeg2[cath]->FirstPad(fInput->DetElemId(), fX[i][cath], fY[i][cath], fZPlane, dpx, 0.);
                   fSeg2[cath]->MorePads(fInput->DetElemId());
                   fSeg2[cath]->NextPad(fInput->DetElemId()))
                {
@@ -1235,7 +1130,7 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
                    if (digt->Signal() > fQ[i][cath]) isLocal[i][cath]=kFALSE;
                  }
                } // Loop over pad neighbours in x
-           }
+           
            if (isLocal[i][cath] && iNN>0) {
                fIndLocal[fNLocal[cath]][cath]=i;
                fNLocal[cath]++;
@@ -1255,160 +1150,141 @@ void AliMUONClusterFinderVS::FindLocalMaxima(AliMUONRawCluster* /*c*/)
 
 void  AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t flag, Int_t cath) 
 {
-//
-//  Completes cluster information starting from list of digits
-//
-    AliMUONDigit* dig;
-    Float_t x, y, z;
-    Int_t  ix, iy;
-    
-    if (cath==1) {
-       c->SetPeakSignal(cath,c->GetPeakSignal(0));     
-    } else {
-       c->SetPeakSignal(cath,0);
-    }
+  //
+  //  Completes cluster information starting from list of digits
+  //
+  AliMUONDigit* dig;
+  Float_t x, y, z;
+  Int_t  ix, iy;
+  
+  if (cath==1) {
+    c->SetPeakSignal(cath,c->GetPeakSignal(0));        
+  } else {
+    c->SetPeakSignal(cath,0);
+  }
+  
+  
+  if (flag) {
+    c->SetX(cath,0.);
+    c->SetY(cath,0.);
+    c->SetCharge(cath,0);
+  }
+  
+  AliDebug(1,Form("\n fPeakSignal %d\n",c->GetPeakSignal(cath)));
+  for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
+    {
+      dig= fInput->Digit(cath,c->GetIndex(i,cath));
+      ix=dig->PadX()+c->GetOffset(i,cath);
+      iy=dig->PadY();
+      Int_t q=dig->Signal();
+      if (!flag) q=Int_t(q*c->GetContrib(i,cath));
+      //       fprintf(stderr,"q %d c->fPeakSignal[ %d ] %d\n",q,cath,c->fPeakSignal[cath]);
+      if (dig->Physics() >= dig->Signal()) {
+       c->SetPhysics(i,2);
+      } else if (dig->Physics() == 0) {
+       c->SetPhysics(i,0);
+      } else  c->SetPhysics(i,1);
+      //
+      // 
+      AliDebug(2,Form("q %d c->fPeakSignal[cath] %d\n",q,c->GetPeakSignal(cath)));
+      // peak signal and track list
+      if (q>c->GetPeakSignal(cath)) {
+       c->SetPeakSignal(cath, q);
+       c->SetTrack(0,dig->Hit());
+       c->SetTrack(1,dig->Track(0));
+       c->SetTrack(2,dig->Track(1));
+       //          fprintf(stderr," c->fTracks[0] %d c->fTracks[1] %d\n",dig->fHit,dig->fTracks[0]);
+      }
+      //
+      if (flag) {
+       fSeg2[cath]->GetPadC(fInput->DetElemId(), ix, iy, x, y, z);
+       
+       c->AddX(cath, q*x);
+       c->AddY(cath, q*y);
+       c->AddCharge(cath, q);
+      }
+    } // loop over digits
+  AliDebug(1," fin du cluster c\n");
+  
+  
+  if (flag) {
+    c->SetX(cath, c->GetX(cath)/c->GetCharge(cath));
+    // Force on anod
+    c->SetX(cath, fSeg2[cath]->GetAnod(fInput->DetElemId(), c->GetX(cath)));
+    c->SetY(cath, c->GetY(cath)/c->GetCharge(cath)); 
+    //
+    //  apply correction to the coordinate along the anode wire
+    //
+    x=c->GetX(cath);   
+    y=c->GetY(cath);
+    TF1* cogCorr;
+    Int_t isec;
+    fSeg2[cath]->GetPadI(fInput->DetElemId(), x, y, fZPlane, ix, iy);
+    fSeg2[cath]->GetPadC(fInput->DetElemId(), ix, iy, x, y, z);
+    isec=fSeg2[cath]->Sector(fInput->DetElemId(), ix,iy);
+    cogCorr = fSeg2[cath]->CorrFunc(fInput->DetElemId(), isec-1);
     
     
-    if (flag) {
-       c->SetX(cath,0.);
-       c->SetY(cath,0.);
-       c->SetCharge(cath,0);
+    if (cogCorr) {
+      Float_t yOnPad;
+      yOnPad=(c->GetY(cath)-y)/fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
+      
+      c->SetY(cath, c->GetY(cath)-cogCorr->Eval(yOnPad, 0, 0));
+      // slat ID from digit
+      
     }
+  }
+}
 
-    AliDebug(1,Form("\n fPeakSignal %d\n",c->GetPeakSignal(cath)));
-    for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
+void  AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t cath) 
+{
+  //
+  //  Completes cluster information starting from list of digits
+  //
+  static Float_t dr0;
+  
+  AliMUONDigit* dig;
+  
+  if (cath==0) {
+    dr0 = 10000;
+  }
+  
+  Float_t xpad, ypad, zpad;
+  Float_t dx, dy, dr;
+  
+  for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
     {
-       dig= fInput->Digit(cath,c->GetIndex(i,cath));
-       ix=dig->PadX()+c->GetOffset(i,cath);
-       iy=dig->PadY();
+      dig = fInput->Digit(cath,c->GetIndex(i,cath));
+      fSeg2[cath]->
+         GetPadC(fInput->DetElemId(),dig->PadX(),dig->PadY(),xpad,ypad, zpad);
+      AliDebug(1,Form("x %f y %f cx %f cy %f\n",xpad,ypad,c->GetX(0),c->GetY(0)));
+      dx = xpad - c->GetX(0);
+      dy = ypad - c->GetY(0);
+      dr = TMath::Sqrt(dx*dx+dy*dy);
+      
+      if (dr < dr0) {
+       dr0 = dr;
+       AliDebug(1,Form(" dr %f\n",dr));
        Int_t q=dig->Signal();
-       if (!flag) q=Int_t(q*c->GetContrib(i,cath));
-//     fprintf(stderr,"q %d c->fPeakSignal[ %d ] %d\n",q,cath,c->fPeakSignal[cath]);
        if (dig->Physics() >= dig->Signal()) {
-           c->SetPhysics(i,2);
+         c->SetPhysics(i,2);
        } else if (dig->Physics() == 0) {
-           c->SetPhysics(i,0);
+         c->SetPhysics(i,0);
        } else  c->SetPhysics(i,1);
-//
-// 
-       AliDebug(2,Form("q %d c->fPeakSignal[cath] %d\n",q,c->GetPeakSignal(cath)));
-// peak signal and track list
-       if (q>c->GetPeakSignal(cath)) {
-           c->SetPeakSignal(cath, q);
-           c->SetTrack(0,dig->Hit());
-           c->SetTrack(1,dig->Track(0));
-           c->SetTrack(2,dig->Track(1));
-//         fprintf(stderr," c->fTracks[0] %d c->fTracks[1] %d\n",dig->fHit,dig->fTracks[0]);
-       }
-//
-       if (flag) {
-         if (fSegmentationType == 1) 
-           fSeg[cath]->GetPadC(ix, iy, x, y, z);
-         else
-           fSeg2[cath]->GetPadC(fInput->DetElemId(), ix, iy, x, y, z);
-       
-           c->AddX(cath, q*x);
-           c->AddY(cath, q*y);
-           c->AddCharge(cath, q);
-       }
-    } // loop over digits
-    AliDebug(1," fin du cluster c\n");
-
-
-    if (flag) {
-       c->SetX(cath, c->GetX(cath)/c->GetCharge(cath));
-// Force on anod
-       if (fSegmentationType == 1) 
-         c->SetX(cath, fSeg[cath]->GetAnod(c->GetX(cath)));
-       else
-         c->SetX(cath, fSeg2[cath]->GetAnod(fInput->DetElemId(), c->GetX(cath)));
-       c->SetY(cath, c->GetY(cath)/c->GetCharge(cath)); 
-//
-//  apply correction to the coordinate along the anode wire
-//
-       x=c->GetX(cath);   
-       y=c->GetY(cath);
-       TF1* cogCorr;
-       Int_t isec;
-       if (fSegmentationType == 1) {
-         fSeg[cath]->GetPadI(x, y, fZPlane, ix, iy);
-         fSeg[cath]->GetPadC(ix, iy, x, y, z);
-         isec=fSeg[cath]->Sector(ix,iy);
-         cogCorr = fSeg[cath]->CorrFunc(isec-1);
-       } else {
-         fSeg2[cath]->GetPadI(fInput->DetElemId(), x, y, fZPlane, ix, iy);
-         fSeg2[cath]->GetPadC(fInput->DetElemId(), ix, iy, x, y, z);
-         isec=fSeg2[cath]->Sector(fInput->DetElemId(), ix,iy);
-         cogCorr = fSeg2[cath]->CorrFunc(fInput->DetElemId(), isec-1);
-       }
+       c->SetPeakSignal(cath,q);
+       c->SetTrack(0,dig->Hit());
+       c->SetTrack(1,dig->Track(0));
+       c->SetTrack(2,dig->Track(1));
        
-       if (cogCorr) {
-         Float_t yOnPad;
-         if (fSegmentationType == 1) 
-           yOnPad=(c->GetY(cath)-y)/fSeg[cath]->Dpy(isec);
-         else 
-           yOnPad=(c->GetY(cath)-y)/fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
-
-         c->SetY(cath, c->GetY(cath)-cogCorr->Eval(yOnPad, 0, 0));
-       }
-    }
-}
-
-void  AliMUONClusterFinderVS::FillCluster(AliMUONRawCluster* c, Int_t cath) 
-{
-//
-//  Completes cluster information starting from list of digits
-//
-    static Float_t dr0;
-
-    AliMUONDigit* dig;
-
-    if (cath==0) {
-       dr0 = 10000;
-    }
-    
-    Float_t xpad, ypad, zpad;
-    Float_t dx, dy, dr;
-
-    for (Int_t i=0; i<c->GetMultiplicity(cath); i++)
-    {
-       dig = fInput->Digit(cath,c->GetIndex(i,cath));
-       if (fSegmentationType == 1) 
-         fSeg[cath]->
-           GetPadC(dig->PadX(),dig->PadY(),xpad,ypad, zpad);
-       else
-         fSeg2[cath]->
-           GetPadC(fInput->DetElemId(),dig->PadX(),dig->PadY(),xpad,ypad, zpad);
-       AliDebug(1,Form("x %f y %f cx %f cy %f\n",xpad,ypad,c->GetX(0),c->GetY(0)));
-       dx = xpad - c->GetX(0);
-       dy = ypad - c->GetY(0);
-       dr = TMath::Sqrt(dx*dx+dy*dy);
-
-       if (dr < dr0) {
-           dr0 = dr;
-           AliDebug(1,Form(" dr %f\n",dr));
-           Int_t q=dig->Signal();
-           if (dig->Physics() >= dig->Signal()) {
-               c->SetPhysics(i,2);
-           } else if (dig->Physics() == 0) {
-               c->SetPhysics(i,0);
-           } else  c->SetPhysics(i,1);
-           c->SetPeakSignal(cath,q);
-           c->SetTrack(0,dig->Hit());
-           c->SetTrack(1,dig->Track(0));
-           c->SetTrack(2,dig->Track(1));
-           AliDebug(1,Form(" c->fTracks[0] %d c->fTracks[1] %d\n",dig->Hit(),
-                   dig->Track(0)));
-       }
-//
+       AliDebug(1,Form(" c->fTracks[0] %d c->fTracks[1] %d\n",dig->Hit(),
+                       dig->Track(0)));
+      }
+      //
     } // loop over digits
-
-//  apply correction to the coordinate along the anode wire
-// Force on anod
-    if (fSegmentationType == 1) 
-      c->SetX(cath,fSeg[cath]->GetAnod(c->GetX(cath)));
-    else
-      c->SetX(cath,fSeg2[cath]->GetAnod(fInput->DetElemId(), c->GetX(cath)));
+  
+  //  apply correction to the coordinate along the anode wire
+  // Force on anod
+    c->SetX(cath,fSeg2[cath]->GetAnod(fInput->DetElemId(), c->GetX(cath)));
 }
 
 void  AliMUONClusterFinderVS::FindCluster(Int_t i, Int_t j, Int_t cath, AliMUONRawCluster &c){
@@ -1472,10 +1348,7 @@ void  AliMUONClusterFinderVS::FindCluster(Int_t i, Int_t j, Int_t cath, AliMUONR
 
 // Prepare center of gravity calculation
     Float_t x, y, z;
-    if (fSegmentationType == 1) 
-      fSeg[cath]->GetPadC(i, j, x, y, z);
-    else
-      fSeg2[cath]->GetPadC(fInput->DetElemId(), i, j, x, y, z);
+    fSeg2[cath]->GetPadC(fInput->DetElemId(), i, j, x, y, z);
     c.AddX(cath,q*x);
     c.AddY(cath,q*y);
     c.AddCharge(cath,q);
@@ -1490,10 +1363,7 @@ void  AliMUONClusterFinderVS::FindCluster(Int_t i, Int_t j, Int_t cath, AliMUONR
     ix=iy=0;
     Int_t nn;
     Int_t xList[10], yList[10];
-    if (fSegmentationType == 1) 
-      fSeg[cath]->Neighbours(i,j,&nn,xList,yList);
-    else 
-      fSeg2[cath]->Neighbours(fInput->DetElemId(), i,j,&nn,xList,yList);
+    fSeg2[cath]->Neighbours(fInput->DetElemId(), i,j,&nn,xList,yList);
     for (Int_t in=0; in<nn; in++) {
        ix=xList[in];
        iy=yList[in];
@@ -1510,86 +1380,46 @@ void  AliMUONClusterFinderVS::FindCluster(Int_t i, Int_t j, Int_t cath, AliMUONR
 //  Neighbours on opposite cathode 
 //  Take into account that several pads can overlap with the present pad
     Int_t isec;
-    if (fSegmentationType == 1) 
-      isec=fSeg[cath]->Sector(i,j);    
-    else
-      isec=fSeg2[cath]->Sector(fInput->DetElemId(), i,j);    
+    isec=fSeg2[cath]->Sector(fInput->DetElemId(), i,j);    
 
     Int_t iop;
     Float_t dx, dy;
-
-    if (fSegmentationType == 1) {
-      if (cath==0) {
-       iop = 1;
-       dx  = (fSeg[cath]->Dpx(isec))/2.;
-       dy  = 0.;
-      } else {
-       iop = 0;
-       dx  = 0.;
-       dy  = (fSeg[cath]->Dpy(isec))/2;
-      }
-   
-
-    
-      // loop over pad neighbours on opposite cathode
-      for (fSeg[iop]->FirstPad(x, y, fZPlane, dx, dy);
-          fSeg[iop]->MorePads();
-          fSeg[iop]->NextPad())
-       {
-       
-         ix = fSeg[iop]->Ix(); iy = fSeg[iop]->Iy();
-         AliDebug(2,Form("\n ix, iy: %f %f %f %d %d %d", x,y,z,ix, iy, fSector));
-         if (fHitMap[iop]->TestHit(ix,iy)==kUnused){
-           iXopp[nOpp]=ix;
-           iYopp[nOpp++]=iy;
-           AliDebug(2,Form("\n Opposite %d %d %d", iop, ix, iy));
-         }
-       
-       } // Loop over pad neighbours
-      //  This had to go outside the loop since recursive calls inside the iterator are not possible
-      //
-      Int_t jopp;
-      for (jopp=0; jopp<nOpp; jopp++) {
-       if (fHitMap[iop]->TestHit(iXopp[jopp],iYopp[jopp]) == kUnused) 
-         FindCluster(iXopp[jopp], iYopp[jopp], iop, c);
-      }
+  
+    if (cath==0) {
+      iop = 1;
+      dx  = (fSeg2[cath]->Dpx(fInput->DetElemId(), isec))/2.;
+      dy  = 0.;
     } else {
-
-      if (cath==0) {
-       iop = 1;
-       dx  = (fSeg2[cath]->Dpx(fInput->DetElemId(), isec))/2.;
-       dy  = 0.;
-      } else {
-       iop = 0;
-       dx  = 0.;
-       dy  = (fSeg2[cath]->Dpy(fInput->DetElemId(), isec))/2;
-      }
+      iop = 0;
+      dx  = 0.;
+      dy  = (fSeg2[cath]->Dpy(fInput->DetElemId(), isec))/2;
+    }
    
 
     
-      // loop over pad neighbours on opposite cathode
-      for (fSeg2[iop]->FirstPad(fInput->DetElemId(), x, y, fZPlane, dx, dy);
-          fSeg2[iop]->MorePads(fInput->DetElemId());
-          fSeg2[iop]->NextPad(fInput->DetElemId()))
-       {
+    // loop over pad neighbours on opposite cathode
+    for (fSeg2[iop]->FirstPad(fInput->DetElemId(), x, y, fZPlane, dx, dy);
+        fSeg2[iop]->MorePads(fInput->DetElemId());
+        fSeg2[iop]->NextPad(fInput->DetElemId()))
+      {
        
-         ix = fSeg2[iop]->Ix(); iy = fSeg2[iop]->Iy();
-         AliDebug(2,Form("\n ix, iy: %f %f %f %d %d %d", x,y,z,ix, iy, fSector));
-         if (fHitMap[iop]->TestHit(ix,iy)==kUnused){
-           iXopp[nOpp]=ix;
-           iYopp[nOpp++]=iy;
-           AliDebug(2,Form("\n Opposite %d %d %d", iop, ix, iy));
-         }
+       ix = fSeg2[iop]->Ix(); iy = fSeg2[iop]->Iy();
+       AliDebug(2,Form("\n ix, iy: %f %f %f %d %d %d", x,y,z,ix, iy, fSector));
+       if (fHitMap[iop]->TestHit(ix,iy)==kUnused){
+         iXopp[nOpp]=ix;
+         iYopp[nOpp++]=iy;
+         AliDebug(2,Form("\n Opposite %d %d %d", iop, ix, iy));
+       }
        
-       } // Loop over pad neighbours
-      //  This had to go outside the loop since recursive calls inside the iterator are not possible
-      //
-      Int_t jopp;
-      for (jopp=0; jopp<nOpp; jopp++) {
-       if (fHitMap[iop]->TestHit(iXopp[jopp],iYopp[jopp]) == kUnused) 
-         FindCluster(iXopp[jopp], iYopp[jopp], iop, c);
-      }
+      } // Loop over pad neighbours
+    //  This had to go outside the loop since recursive calls inside the iterator are not possible
+    //
+    Int_t jopp;
+    for (jopp=0; jopp<nOpp; jopp++) {
+      if (fHitMap[iop]->TestHit(iXopp[jopp],iYopp[jopp]) == kUnused) 
+       FindCluster(iXopp[jopp], iYopp[jopp], iop, c);
     }
+
 }
 
 //_____________________________________________________________________________
@@ -1605,21 +1435,12 @@ void AliMUONClusterFinderVS::FindRawClusters()
 //  Return if no input datad available
     if (!fInput->NDigits(0) && !fInput->NDigits(1)) return;
 
-    if (fSegmentationType == 1) {
-      fSeg[0] = fInput->Segmentation(0);
-      fSeg[1] = fInput->Segmentation(1);
-
-      fHitMap[0]  = new AliMUONHitMapA1(fSeg[0], fInput->Digits(0));
-      fHitMap[1]  = new AliMUONHitMapA1(fSeg[1], fInput->Digits(1));
-
-    } else {
-      fSeg2[0] = fInput->Segmentation2(0);
-      fSeg2[1] = fInput->Segmentation2(1);
-
-      fHitMap[0]  = new AliMUONHitMapA1(fInput->DetElemId(), fSeg2[0], fInput->Digits(0));
-      fHitMap[1]  = new AliMUONHitMapA1(fInput->DetElemId(), fSeg2[1], fInput->Digits(1));
-    }
+    fSeg2[0] = fInput->Segmentation2(0);
+    fSeg2[1] = fInput->Segmentation2(1);
+    
+    fHitMap[0]  = new AliMUONHitMapA1(fInput->DetElemId(), fSeg2[0], fInput->Digits(0));
+    fHitMap[1]  = new AliMUONHitMapA1(fInput->DetElemId(), fSeg2[1], fInput->Digits(1));
+    
     AliMUONDigit *dig;
 
     Int_t ndig, cath;
@@ -1630,85 +1451,80 @@ void AliMUONClusterFinderVS::FindRawClusters()
 //
 //  Outer Loop over Cathodes
     for (cath=0; cath<2; cath++) {
+      
        for (ndig=0; ndig<fInput->NDigits(cath); ndig++) {
-           dig = fInput->Digit(cath, ndig);
-           Int_t i=dig->PadX();
-           Int_t j=dig->PadY();
-           if (fHitMap[cath]->TestHit(i,j)==kUsed ||fHitMap[0]->TestHit(i,j)==kEmpty) {
-               nskip++;
-               continue;
-           }
-           AliDebug(1,Form("\n CATHODE %d CLUSTER %d\n",cath,ncls));
-           AliMUONRawCluster c;
-           c.SetMultiplicity(0, 0);
-           c.SetMultiplicity(1, 0);
-           c.SetPeakSignal(cath,dig->Signal());
-           c.SetTrack(0, dig->Hit());
-           c.SetTrack(1, dig->Track(0));
-           c.SetTrack(2, dig->Track(1));
-           // tag the beginning of cluster list in a raw cluster
-           c.SetNcluster(0,-1);
-           Float_t xcu, ycu;
-           if (fSegmentationType == 1) {
-             fSeg[cath]->GetPadC(i,j,xcu, ycu, fZPlane);
-             fSector= fSeg[cath]->Sector(i,j)/100;
-           } else {
-             fSeg2[cath]->GetPadC(fInput->DetElemId(), i,j,xcu, ycu, fZPlane);
-             fSector= fSeg2[cath]->Sector(fInput->DetElemId(), i,j)/100;
-           }
-           AliDebug(1,Form("\n New Seed %d %d ", i,j));
-       
-            
-           FindCluster(i,j,cath,c);
-//          ^^^^^^^^^^^^^^^^^^^^^^^^
-           // center of gravity
-           if (c.GetX(0)!=0.) c.SetX(0, c.GetX(0)/c.GetCharge(0)); // c.fX[0] /= c.fQ[0];
-// Force on anod
-           if (fSegmentationType == 1) 
-             c.SetX(0,fSeg[0]->GetAnod(c.GetX(0)));
-           else 
-             c.SetX(0,fSeg2[0]->GetAnod(fInput->DetElemId(), c.GetX(0)));
-           if (c.GetY(0)!=0.) c.SetY(0, c.GetY(0)/c.GetCharge(0)); // c.fY[0] /= c.fQ[0];
-           
-           if(c.GetCharge(1)!=0.) c.SetX(1, c.GetX(1)/c.GetCharge(1));  // c.fX[1] /= c.fQ[1];
-                                       
-          // Force on anod
-           if (fSegmentationType == 1) 
-             c.SetX(1, fSeg[0]->GetAnod(c.GetX(1)));
-           else 
-             c.SetX(1, fSeg2[0]->GetAnod(fInput->DetElemId(),c.GetX(1)));
-           if(c.GetCharge(1)!=0.) c.SetY(1, c.GetY(1)/c.GetCharge(1));// c.fY[1] /= c.fQ[1];
-           
-           c.SetZ(0, fZPlane);
-           c.SetZ(1, fZPlane);     
-
-               AliDebug(1,Form("\n Cathode 1 multiplicite %d X(CG) %f Y(CG) %f\n",
-                       c.GetMultiplicity(0),c.GetX(0),c.GetY(0)));
-               AliDebug(1,Form(" Cathode 2 multiplicite %d X(CG) %f Y(CG) %f\n",
-                       c.GetMultiplicity(1),c.GetX(1),c.GetY(1)));
-//      Analyse cluster and decluster if necessary
-//     
-       ncls++;
-       c.SetNcluster(1,fNRawClusters);
-       c.SetClusterType(c.PhysicsContribution());
-
-       fNPeaks=0;
-//
-//
-       Decluster(&c);
-//
-//      reset Cluster object
-       { // begin local scope
-           for (int k=0;k<c.GetMultiplicity(0);k++) c.SetIndex(k, 0, 0);
-       } // end local scope
-
-       { // begin local scope
-           for (int k=0;k<c.GetMultiplicity(1);k++) c.SetIndex(k, 1, 0);
-       } // end local scope
-       
-       c.SetMultiplicity(0,0);
-       c.SetMultiplicity(1,0);
-
+         dig = fInput->Digit(cath, ndig);
+         Int_t padx = dig->PadX();
+         Int_t pady = dig->PadY();
+         if (fHitMap[cath]->TestHit(padx,pady)==kUsed ||fHitMap[0]->TestHit(padx,pady)==kEmpty) {
+           nskip++;
+           continue;
+         }
+         AliDebug(1,Form("\n CATHODE %d CLUSTER %d\n",cath,ncls));
+         AliMUONRawCluster clus;
+         clus.SetMultiplicity(0, 0);
+         clus.SetMultiplicity(1, 0);
+         clus.SetPeakSignal(cath,dig->Signal());
+         clus.SetTrack(0, dig->Hit());
+         clus.SetTrack(1, dig->Track(0));
+         clus.SetTrack(2, dig->Track(1));
+         
+         AliDebug(1,Form("idDE %d Padx %d Pady %d", fInput->DetElemId(), padx, pady));
+         
+         // tag the beginning of cluster list in a raw cluster
+         clus.SetNcluster(0,-1);
+         Float_t xcu, ycu;
+         fSeg2[cath]->GetPadC(fInput->DetElemId(), padx, pady, xcu, ycu, fZPlane);
+         fSector= fSeg2[cath]->Sector(fInput->DetElemId(), padx, pady)/100;
+         
+         
+         
+         
+         FindCluster(padx,pady,cath,clus);
+         //^^^^^^^^^^^^^^^^^^^^^^^^
+         // center of gravity
+         if (clus.GetX(0)!=0.) clus.SetX(0, clus.GetX(0)/clus.GetCharge(0)); // clus.fX[0] /= clus.fQ[0];
+         
+         // Force on anod
+         clus.SetX(0,fSeg2[0]->GetAnod(fInput->DetElemId(), clus.GetX(0)));
+         if (clus.GetY(0)!=0.) clus.SetY(0, clus.GetY(0)/clus.GetCharge(0)); // clus.fY[0] /= clus.fQ[0];
+         
+         if(clus.GetCharge(1)!=0.) clus.SetX(1, clus.GetX(1)/clus.GetCharge(1));  // clus.fX[1] /= clus.fQ[1];
+         
+         // Force on anod
+         clus.SetX(1, fSeg2[0]->GetAnod(fInput->DetElemId(),clus.GetX(1)));
+         if(clus.GetCharge(1)!=0.) clus.SetY(1, clus.GetY(1)/clus.GetCharge(1));// clus.fY[1] /= clus.fQ[1];
+         
+         clus.SetZ(0, fZPlane);
+         clus.SetZ(1, fZPlane);            
+         
+         AliDebug(1,Form("\n Cathode 1 multiplicite %d X(CG) %f Y(CG) %f\n",
+                         clus.GetMultiplicity(0),clus.GetX(0),clus.GetY(0)));
+         AliDebug(1,Form(" Cathode 2 multiplicite %d X(CG) %f Y(CG) %f\n",
+                         clus.GetMultiplicity(1),clus.GetX(1),clus.GetY(1)));
+         //      Analyse cluster and decluster if necessary
+         //    
+         ncls++;
+         clus.SetNcluster(1,fNRawClusters);
+         clus.SetClusterType(clus.PhysicsContribution());
+         
+         fNPeaks=0;
+         //
+         //
+         Decluster(&clus);
+         //
+         //      reset Cluster object
+         { // begin local scope
+           for (int k=0;k<clus.GetMultiplicity(0);k++) clus.SetIndex(k, 0, 0);
+         } // end local scope
+         
+         { // begin local scope
+           for (int k=0;k<clus.GetMultiplicity(1);k++) clus.SetIndex(k, 1, 0);
+         } // end local scope
+         
+         clus.SetMultiplicity(0,0);
+         clus.SetMultiplicity(1,0);
+         
        
        } // end loop ndig
     } // end loop cathodes
@@ -1726,7 +1542,7 @@ Float_t AliMUONClusterFinderVS::SingleMathiesonFit(AliMUONRawCluster *c, Int_t c
     
     clusterInput.Fitter()->SetFCN(fcnS1);
     clusterInput.Fitter()->mninit(2,10,7);
-    clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
+    clusterInput.Fitter()->SetPrintLevel(-1 + AliLog::GetGlobalDebugLevel());
     arglist[0]=-1;
     clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
 // Set starting values 
@@ -1738,26 +1554,15 @@ Float_t AliMUONClusterFinderVS::SingleMathiesonFit(AliMUONRawCluster *c, Int_t c
 // lower and upper limits
     static Double_t lower[2], upper[2];
     Int_t ix,iy, isec;
-    if (fSegmentationType == 1) {
-      fSeg[cath]->GetPadI(c->GetX(cath), c->GetY(cath), fZPlane, ix, iy);
-      isec=fSeg[cath]->Sector(ix, iy);
+    fSeg2[cath]->GetPadI(fInput->DetElemId(), c->GetX(cath), c->GetY(cath), fZPlane, ix, iy);
+    isec=fSeg2[cath]->Sector(fInput->DetElemId(), ix, iy);
 
-      lower[0]=vstart[0]-fSeg[cath]->Dpx(isec)/2;
-      lower[1]=vstart[1]-fSeg[cath]->Dpy(isec)/2;
+    lower[0]=vstart[0]-fSeg2[cath]->Dpx(fInput->DetElemId(), isec)/2;
+    lower[1]=vstart[1]-fSeg2[cath]->Dpy(fInput->DetElemId(), isec)/2;
     
-      upper[0]=lower[0]+fSeg[cath]->Dpx(isec);
-      upper[1]=lower[1]+fSeg[cath]->Dpy(isec);
-
-    } else {
-      fSeg2[cath]->GetPadI(fInput->DetElemId(), c->GetX(cath), c->GetY(cath), fZPlane, ix, iy);
-      isec=fSeg2[cath]->Sector(fInput->DetElemId(), ix, iy);
-
-      lower[0]=vstart[0]-fSeg2[cath]->Dpx(fInput->DetElemId(), isec)/2;
-      lower[1]=vstart[1]-fSeg2[cath]->Dpy(fInput->DetElemId(), isec)/2;
+    upper[0]=lower[0]+fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
+    upper[1]=lower[1]+fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
     
-      upper[0]=lower[0]+fSeg2[cath]->Dpx(fInput->DetElemId(), isec);
-      upper[1]=lower[1]+fSeg2[cath]->Dpy(fInput->DetElemId(), isec);
-    }
 
 // step sizes
     static Double_t step[2]={0.0005, 0.0005};
@@ -1799,7 +1604,7 @@ Float_t AliMUONClusterFinderVS::CombiSingleMathiesonFit(AliMUONRawCluster * /*c*
     AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
     clusterInput.Fitter()->SetFCN(fcnCombiS1);
     clusterInput.Fitter()->mninit(2,10,7);
-    clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
+    clusterInput.Fitter()->SetPrintLevel(-1 + AliLog::GetGlobalDebugLevel());
     arglist[0]=-1;
     clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
     static Double_t vstart[2];
@@ -1812,70 +1617,37 @@ Float_t AliMUONClusterFinderVS::CombiSingleMathiesonFit(AliMUONRawCluster * /*c*
     Int_t ix,iy,isec;
     Float_t dpy, dpx;
 
-    if (fSegmentationType == 1) {
-      fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
-      isec=fSeg[0]->Sector(ix, iy);
-      dpy=fSeg[0]->Dpy(isec);
-      fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
-      isec=fSeg[1]->Sector(ix, iy);
-      dpx=fSeg[1]->Dpx(isec);
-
-    } else {
-      fSeg2[0]->GetPadI(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, ix, iy);
-      isec=fSeg2[0]->Sector(fInput->DetElemId(), ix, iy);
-      dpy=fSeg2[0]->Dpy(fInput->DetElemId(), isec);
-      fSeg2[1]->GetPadI(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, ix, iy);
-      isec=fSeg2[1]->Sector(fInput->DetElemId(), ix, iy);
-      dpx=fSeg2[1]->Dpx(fInput->DetElemId(), isec);
-
-    }
+    fSeg2[0]->GetPadI(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, ix, iy);
+    isec=fSeg2[0]->Sector(fInput->DetElemId(), ix, iy);
+    dpy=fSeg2[0]->Dpy(fInput->DetElemId(), isec);
+    fSeg2[1]->GetPadI(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, ix, iy);
+    isec=fSeg2[1]->Sector(fInput->DetElemId(), ix, iy);
+    dpx=fSeg2[1]->Dpx(fInput->DetElemId(), isec);
+      
     Int_t icount;
     Float_t xdum, ydum, zdum;
 
 //  Find save upper and lower limits    
     
     icount = 0;
-    if (fSegmentationType == 1) {
-      for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.); 
-          fSeg[1]->MorePads(); 
-          fSeg[1]->NextPad())
-       {
-         ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
-         fSeg[1]->GetPadC(ix,iy, upper[0], ydum, zdum);        
-         if (icount ==0) lower[0]=upper[0];
-         icount++;
-       }
-    } else {
-      for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, dpx, 0.); 
-          fSeg2[1]->MorePads(fInput->DetElemId()); 
-          fSeg2[1]->NextPad(fInput->DetElemId()))
+    for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, dpx, 0.); 
+        fSeg2[1]->MorePads(fInput->DetElemId()); 
+        fSeg2[1]->NextPad(fInput->DetElemId()))
        {
          ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
          fSeg2[1]->GetPadC(fInput->DetElemId(), ix,iy, upper[0], ydum, zdum);  
          if (icount ==0) lower[0]=upper[0];
          icount++;
        }
-    }
+    
     if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}
        
     icount=0;
     AliDebug(1,Form("\n single y %f %f", fXInit[0], fYInit[0]));
     
-    if (fSegmentationType == 1) {
-      for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy); 
-          fSeg[0]->MorePads(); 
-          fSeg[0]->NextPad())
-       {
-         ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
-         fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);   
-         if (icount ==0) lower[1]=upper[1];
-         icount++;
-         AliDebug(1,Form("\n upper lower %d %f %f", icount, upper[1], lower[1]));
-       }
-    } else {
-      for (fSeg2[0]->FirstPad(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, 0., dpy); 
-          fSeg2[0]->MorePads(fInput->DetElemId()); 
-          fSeg2[0]->NextPad(fInput->DetElemId()))
+    for (fSeg2[0]->FirstPad(fInput->DetElemId(), fXInit[0], fYInit[0], fZPlane, 0., dpy); 
+        fSeg2[0]->MorePads(fInput->DetElemId()); 
+        fSeg2[0]->NextPad(fInput->DetElemId()))
        {
          ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
          fSeg2[0]->GetPadC(fInput->DetElemId(), ix,iy,xdum,upper[1],zdum);     
@@ -1883,7 +1655,7 @@ Float_t AliMUONClusterFinderVS::CombiSingleMathiesonFit(AliMUONRawCluster * /*c*
          icount++;
          AliDebug(1,Form("\n upper lower %d %f %f", icount, upper[1], lower[1]));
        }
-    }
+    
     if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}
 
 // step sizes
@@ -1929,7 +1701,7 @@ Bool_t AliMUONClusterFinderVS::DoubleMathiesonFit(AliMUONRawCluster * /*c*/, Int
     AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
     clusterInput.Fitter()->SetFCN(fcnS2);
     clusterInput.Fitter()->mninit(5,10,7);
-    clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
+    clusterInput.Fitter()->SetPrintLevel(-1 + AliLog::GetGlobalDebugLevel());
     arglist[0]=-1;
     clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
 // Set starting values 
@@ -1944,39 +1716,23 @@ Bool_t AliMUONClusterFinderVS::DoubleMathiesonFit(AliMUONRawCluster * /*c*/, Int
     static Float_t lower[5], upper[5];
     Int_t isec;
 
-    if (fSegmentationType == 1) {
-      isec=fSeg[cath]->Sector(fIx[fIndLocal[0][cath]][cath], fIy[fIndLocal[0][cath]][cath]);
-      lower[0]=vstart[0]-fSeg[cath]->Dpx(isec);
-      lower[1]=vstart[1]-fSeg[cath]->Dpy(isec);
+    isec=fSeg2[cath]->Sector(fInput->DetElemId(),fIx[fIndLocal[0][cath]][cath], 
+                            fIy[fIndLocal[0][cath]][cath]);
+    lower[0]=vstart[0]-fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
+    lower[1]=vstart[1]-fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
     
-      upper[0]=lower[0]+2.*fSeg[cath]->Dpx(isec);
-      upper[1]=lower[1]+2.*fSeg[cath]->Dpy(isec);
+    upper[0]=lower[0]+2.*fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
+    upper[1]=lower[1]+2.*fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
     
-      isec=fSeg[cath]->Sector(fIx[fIndLocal[1][cath]][cath], fIy[fIndLocal[1][cath]][cath]);
-      lower[2]=vstart[2]-fSeg[cath]->Dpx(isec)/2;
-      lower[3]=vstart[3]-fSeg[cath]->Dpy(isec)/2;
+    isec=fSeg2[cath]->Sector(fInput->DetElemId(),fIx[fIndLocal[1][cath]][cath], 
+                            fIy[fIndLocal[1][cath]][cath]);
+    lower[2]=vstart[2]-fSeg2[cath]->Dpx(fInput->DetElemId(),isec)/2;
+    lower[3]=vstart[3]-fSeg2[cath]->Dpy(fInput->DetElemId(),isec)/2;
     
-      upper[2]=lower[2]+fSeg[cath]->Dpx(isec);
-      upper[3]=lower[3]+fSeg[cath]->Dpy(isec);
+    upper[2]=lower[2]+fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
+    upper[1]=lower[1]+2.*fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
 
-    } else {
-      isec=fSeg2[cath]->Sector(fInput->DetElemId(),fIx[fIndLocal[0][cath]][cath], 
-                              fIy[fIndLocal[0][cath]][cath]);
-      lower[0]=vstart[0]-fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
-      lower[1]=vstart[1]-fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
-    
-      upper[0]=lower[0]+2.*fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
-      upper[1]=lower[1]+2.*fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
     
-      isec=fSeg2[cath]->Sector(fInput->DetElemId(),fIx[fIndLocal[1][cath]][cath], 
-                             fIy[fIndLocal[1][cath]][cath]);
-      lower[2]=vstart[2]-fSeg2[cath]->Dpx(fInput->DetElemId(),isec)/2;
-      lower[3]=vstart[3]-fSeg2[cath]->Dpy(fInput->DetElemId(),isec)/2;
-    
-      upper[2]=lower[2]+fSeg2[cath]->Dpx(fInput->DetElemId(),isec);
-      upper[1]=lower[1]+2.*fSeg2[cath]->Dpy(fInput->DetElemId(),isec);
-
-    }
 
     lower[4]=0.;
     upper[4]=1.;
@@ -2024,7 +1780,7 @@ Float_t AliMUONClusterFinderVS::CombiDoubleMathiesonFit(AliMUONRawCluster * /*c*
     AliMUONClusterInput& clusterInput = *(AliMUONClusterInput::Instance());
     clusterInput.Fitter()->SetFCN(fcnCombiS2);
     clusterInput.Fitter()->mninit(6,10,7);
-    clusterInput.Fitter()->SetPrintLevel(-1+fDebugLevel);
+    clusterInput.Fitter()->SetPrintLevel(-1 + AliLog::GetGlobalDebugLevel());
     arglist[0]=-1;
     clusterInput.Fitter()->mnexcm("SET NOW", arglist, 0, ierflag);
 // Set starting values 
@@ -2039,16 +1795,7 @@ Float_t AliMUONClusterFinderVS::CombiDoubleMathiesonFit(AliMUONRawCluster * /*c*
     static Float_t lower[6], upper[6];
     Int_t ix,iy,isec;
     Float_t dpx, dpy;
-  if (fSegmentationType == 1) {
-    fSeg[1]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
-    isec=fSeg[1]->Sector(ix, iy);
-    dpx=fSeg[1]->Dpx(isec);
-
-    fSeg[0]->GetPadI(fXInit[0], fYInit[0], fZPlane, ix, iy);
-    isec=fSeg[0]->Sector(ix, iy);
-    dpy=fSeg[0]->Dpy(isec);
 
-  } else {
     fSeg2[1]->GetPadI(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, ix, iy);
     isec=fSeg2[1]->Sector(fInput->DetElemId(),ix, iy);
     dpx=fSeg2[1]->Dpx(fInput->DetElemId(), isec);
@@ -2057,165 +1804,87 @@ Float_t AliMUONClusterFinderVS::CombiDoubleMathiesonFit(AliMUONRawCluster * /*c*
     isec=fSeg2[0]->Sector(fInput->DetElemId(), ix, iy);
     dpy=fSeg2[0]->Dpy(fInput->DetElemId(), isec);
 
-  }
+  
 
     Int_t icount;
     Float_t xdum, ydum, zdum;
     AliDebug(1,Form("\n Cluster Finder: %f %f %f %f  ", fXInit[0], fXInit[1],fYInit[0], fYInit[1] ));
 
-    if (fSegmentationType == 1) {
-      //  Find save upper and lower limits    
-      icount = 0;
-    
-      for (fSeg[1]->FirstPad(fXInit[0], fYInit[0], fZPlane, dpx, 0.); 
-          fSeg[1]->MorePads(); 
-          fSeg[1]->NextPad())
-       {
-         ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
-         //    if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
-         fSeg[1]->GetPadC(ix,iy,upper[0],ydum,zdum);   
-         if (icount ==0) lower[0]=upper[0];
-         icount++;
-       }
-      if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}    
-      //    vstart[0] = 0.5*(lower[0]+upper[0]);
-
-    
-      icount=0;
-    
-      for (fSeg[0]->FirstPad(fXInit[0], fYInit[0], fZPlane, 0., dpy); 
-          fSeg[0]->MorePads(); 
-          fSeg[0]->NextPad())
-       {
-         ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
-         //    if (fHitMap[0]->TestHit(ix, iy) == kEmpty) continue;
-         fSeg[0]->GetPadC(ix,iy,xdum,upper[1],zdum);   
-         if (icount ==0) lower[1]=upper[1];
-         icount++;
-       }
-    
-      if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}    
-      //     vstart[1] = 0.5*(lower[1]+upper[1]);
-
-
-      fSeg[1]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
-      isec=fSeg[1]->Sector(ix, iy);
-      dpx=fSeg[1]->Dpx(isec);
-      fSeg[0]->GetPadI(fXInit[1], fYInit[1], fZPlane, ix, iy);
-      isec=fSeg[0]->Sector(ix, iy);
-      dpy=fSeg[0]->Dpy(isec);
-
-
-      //  Find save upper and lower limits    
-
-      icount=0;
-    
-      for (fSeg[1]->FirstPad(fXInit[1], fYInit[1], fZPlane, dpx, 0); 
-          fSeg[1]->MorePads(); fSeg[1]->NextPad())
-       {
-         ix=fSeg[1]->Ix(); iy=fSeg[1]->Iy();
-         //    if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
-         fSeg[1]->GetPadC(ix,iy,upper[2],ydum,zdum);   
-         if (icount ==0) lower[2]=upper[2];
-         icount++;
-       }
-      if (lower[2]>upper[2]) {xdum=lower[2]; lower[2]=upper[2]; upper[2]=xdum;}    
-      //    vstart[2] = 0.5*(lower[2]+upper[2]);
-
-      icount=0;
-    
-      for (fSeg[0]->FirstPad(fXInit[1], fYInit[1], fZPlane, 0, dpy); 
-          fSeg[0]-> MorePads(); fSeg[0]->NextPad())
-       {
-         ix=fSeg[0]->Ix(); iy=fSeg[0]->Iy();
-         //    if (fHitMap[0]->TestHit(ix, iy) != kEmpty) continue;
-       
-         fSeg[0]->GetPadC(ix,iy,xdum,upper[3],zdum);   
-         if (icount ==0) lower[3]=upper[3];
-         icount++;
-
-       }
-      if (lower[3]>upper[3]) {xdum=lower[3]; lower[3]=upper[3]; upper[3]=xdum;}    
-    
-      //     vstart[3] = 0.5*(lower[3]+upper[3]);
-    } else {
-
     //  Find save upper and lower limits    
-      icount = 0;
+    icount = 0;
     
-      for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, dpx, 0.); 
-          fSeg2[1]->MorePads(fInput->DetElemId()); 
-          fSeg2[1]->NextPad(fInput->DetElemId()))
-       {
-         ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
-         //    if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
-         fSeg2[1]->GetPadC(fInput->DetElemId(),ix,iy,upper[0],ydum,zdum);      
-         if (icount ==0) lower[0]=upper[0];
-         icount++;
-       }
-      if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}    
-      //    vstart[0] = 0.5*(lower[0]+upper[0]);
+    for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, dpx, 0.); 
+        fSeg2[1]->MorePads(fInput->DetElemId()); 
+        fSeg2[1]->NextPad(fInput->DetElemId()))
+      {
+       ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
+       //      if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
+       fSeg2[1]->GetPadC(fInput->DetElemId(),ix,iy,upper[0],ydum,zdum);        
+       if (icount ==0) lower[0]=upper[0];
+       icount++;
+      }
+    if (lower[0]>upper[0]) {xdum=lower[0]; lower[0]=upper[0]; upper[0]=xdum;}    
+    //    vstart[0] = 0.5*(lower[0]+upper[0]);
 
     
-      icount=0;
+    icount=0;
     
-      for (fSeg2[0]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, 0., dpy); 
-          fSeg2[0]->MorePads(fInput->DetElemId()); 
-          fSeg2[0]->NextPad(fInput->DetElemId()))
-       {
-         ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
-         //    if (fHitMap[0]->TestHit(ix, iy) == kEmpty) continue;
-         fSeg2[0]->GetPadC(fInput->DetElemId(),ix,iy,xdum,upper[1],zdum);      
-         if (icount ==0) lower[1]=upper[1];
-         icount++;
-       }
+    for (fSeg2[0]->FirstPad(fInput->DetElemId(),fXInit[0], fYInit[0], fZPlane, 0., dpy); 
+        fSeg2[0]->MorePads(fInput->DetElemId()); 
+        fSeg2[0]->NextPad(fInput->DetElemId()))
+      {
+       ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
+       //      if (fHitMap[0]->TestHit(ix, iy) == kEmpty) continue;
+       fSeg2[0]->GetPadC(fInput->DetElemId(),ix,iy,xdum,upper[1],zdum);        
+       if (icount ==0) lower[1]=upper[1];
+       icount++;
+      }
     
-      if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}    
-      //     vstart[1] = 0.5*(lower[1]+upper[1]);
+    if (lower[1]>upper[1]) {xdum=lower[1]; lower[1]=upper[1]; upper[1]=xdum;}    
+    //     vstart[1] = 0.5*(lower[1]+upper[1]);
 
 
-      fSeg2[1]->GetPadI(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, ix, iy);
-      isec=fSeg2[1]->Sector(fInput->DetElemId(),ix, iy);
-      dpx=fSeg2[1]->Dpx(fInput->DetElemId(),isec);
-      fSeg2[0]->GetPadI(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, ix, iy);
-      isec=fSeg2[0]->Sector(fInput->DetElemId(),ix, iy);
-      dpy=fSeg2[0]->Dpy(fInput->DetElemId(),isec);
+    fSeg2[1]->GetPadI(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, ix, iy);
+    isec=fSeg2[1]->Sector(fInput->DetElemId(),ix, iy);
+    dpx=fSeg2[1]->Dpx(fInput->DetElemId(),isec);
+    fSeg2[0]->GetPadI(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, ix, iy);
+    isec=fSeg2[0]->Sector(fInput->DetElemId(),ix, iy);
+    dpy=fSeg2[0]->Dpy(fInput->DetElemId(),isec);
 
 
-      //  Find save upper and lower limits    
+    //  Find save upper and lower limits    
 
-      icount=0;
+    icount=0;
     
-      for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, dpx, 0); 
-          fSeg2[1]->MorePads(fInput->DetElemId()); 
-          fSeg2[1]->NextPad(fInput->DetElemId()))
-       {
-         ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
-         //    if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
-         fSeg2[1]->GetPadC(fInput->DetElemId(),ix,iy,upper[2],ydum,zdum);      
-         if (icount ==0) lower[2]=upper[2];
-         icount++;
-       }
-      if (lower[2]>upper[2]) {xdum=lower[2]; lower[2]=upper[2]; upper[2]=xdum;}    
-      //    vstart[2] = 0.5*(lower[2]+upper[2]);
+    for (fSeg2[1]->FirstPad(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, dpx, 0); 
+        fSeg2[1]->MorePads(fInput->DetElemId()); 
+        fSeg2[1]->NextPad(fInput->DetElemId()))
+      {
+       ix=fSeg2[1]->Ix(); iy=fSeg2[1]->Iy();
+       //      if (fHitMap[1]->TestHit(ix, iy) == kEmpty) continue;
+       fSeg2[1]->GetPadC(fInput->DetElemId(),ix,iy,upper[2],ydum,zdum);        
+       if (icount ==0) lower[2]=upper[2];
+       icount++;
+      }
+    if (lower[2]>upper[2]) {xdum=lower[2]; lower[2]=upper[2]; upper[2]=xdum;}    
+    //    vstart[2] = 0.5*(lower[2]+upper[2]);
 
-      icount=0;
+    icount=0;
     
-      for (fSeg2[0]->FirstPad(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, 0, dpy); 
-          fSeg2[0]-> MorePads(fInput->DetElemId()); 
-          fSeg2[0]->NextPad(fInput->DetElemId()))
-       {
-         ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
-         //    if (fHitMap[0]->TestHit(ix, iy) != kEmpty) continue;
+    for (fSeg2[0]->FirstPad(fInput->DetElemId(),fXInit[1], fYInit[1], fZPlane, 0, dpy); 
+        fSeg2[0]-> MorePads(fInput->DetElemId()); 
+        fSeg2[0]->NextPad(fInput->DetElemId()))
+      {
+       ix=fSeg2[0]->Ix(); iy=fSeg2[0]->Iy();
+       //      if (fHitMap[0]->TestHit(ix, iy) != kEmpty) continue;
        
-         fSeg2[0]->GetPadC(fInput->DetElemId(),ix,iy,xdum,upper[3],zdum);      
-         if (icount ==0) lower[3]=upper[3];
-         icount++;
+       fSeg2[0]->GetPadC(fInput->DetElemId(),ix,iy,xdum,upper[3],zdum);        
+       if (icount ==0) lower[3]=upper[3];
+       icount++;
 
-       }
-      if (lower[3]>upper[3]) {xdum=lower[3]; lower[3]=upper[3]; upper[3]=xdum;}  
-    }
+      }
+    if (lower[3]>upper[3]) {xdum=lower[3]; lower[3]=upper[3]; upper[3]=xdum;}  
+    
     lower[4]=0.;
     upper[4]=1.;
     lower[5]=0.;
@@ -2288,46 +1957,41 @@ void AliMUONClusterFinderVS::Split(AliMUONRawCluster* c)
            } else {
                cnew.SetCharge(cath, Int_t(clusterInput.TotalCharge(cath)*(1-fQrFit[cath])));
            }
-           if (fSegmentationType == 1) 
-             fSeg[cath]->SetHit(fXFit[j],fYFit[j],fZPlane);
-           else 
-             fSeg2[cath]->SetHit(fInput->DetElemId(), fXFit[j],fYFit[j],fZPlane);
+           fSeg2[cath]->SetHit(fInput->DetElemId(), fXFit[j],fYFit[j],fZPlane);
 
            for (i=0; i<fMul[cath]; i++) {
              Float_t q1;
                cnew.SetIndex(cnew.GetMultiplicity(cath), cath, c->GetIndex(i,cath));
-               if (fSegmentationType == 1) {
-                 fSeg[cath]->SetPad(fIx[i][cath], fIy[i][cath]);
-                 q1 = fInput->Mathieson()->IntXY(fSeg[cath]);
-               } else {
-                 fSeg2[cath]->SetPad(fInput->DetElemId(),fIx[i][cath], fIy[i][cath]);
-                 q1 = fInput->Mathieson()->IntXY(fInput->DetElemId(),fSeg2[cath]);
-               }
+
+               fSeg2[cath]->SetPad(fInput->DetElemId(),fIx[i][cath], fIy[i][cath]);
+               q1 = fInput->Mathieson()->IntXY(fInput->DetElemId(),fSeg2[cath]);
+               
                cnew.SetContrib(i, cath, q1*Float_t(cnew.GetCharge(cath))/Float_t(fQ[i][cath]));
                cnew.SetMultiplicity(cath, cnew.GetMultiplicity(cath)+1 );
            }
            FillCluster(&cnew,0,cath);
        } // cathode loop
-       
        cnew.SetClusterType(cnew.PhysicsContribution());
        if (cnew.GetCharge(0)>0 && cnew.GetCharge(1)>0) AddRawCluster(cnew);
        fNPeaks++;
     }
 }
-void AliMUONClusterFinderVS::AddRawCluster(const AliMUONRawCluster& c)
+void AliMUONClusterFinderVS::AddRawCluster(AliMUONRawCluster& c)
 {
   //
   // Add a raw cluster copy to the list
   //
-
-//     AliMUON *pMUON=(AliMUON*)gAlice->GetModule("MUON");
-//     pMUON->GetMUONData()->AddRawCluster(fInput->Chamber(),c); 
-//     fNRawClusters++;
-
+  //     AliMUON *pMUON=(AliMUON*)gAlice->GetModule("MUON");
+  //     pMUON->GetMUONData()->AddRawCluster(fInput->Chamber(),c); 
+  //     fNRawClusters++;
+  
+  // Setting detection element in raw cluster for alignment
+  // BB 19/05/05
+  c.SetDetElemId(fInput->DetElemId());
   
-    TClonesArray &lrawcl = *fRawClusters;
-    new(lrawcl[fNRawClusters++]) AliMUONRawCluster(c);
-    AliDebug(1,Form("\nfNRawClusters %d\n",fNRawClusters));
+  TClonesArray &lrawcl = *fRawClusters;
+  new(lrawcl[fNRawClusters++]) AliMUONRawCluster(c);
+  AliDebug(1,Form("\nfNRawClusters %d\n",fNRawClusters));
 }
 
 AliMUONClusterFinderVS& AliMUONClusterFinderVS