X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSPlaneEffSPD.cxx;h=18d5d0ac1886e633b13049b454f2543d9c4f6cff;hb=c77b3dc7e4eb7e6c571828c984874471eb4e3157;hp=e0c5d371c539b85c8184b5b61a87937a3d577e39;hpb=aa0de37346a17d82fa77ef54cccff967f3e697d3;p=u%2Fmrichter%2FAliRoot.git

diff --git a/ITS/AliITSPlaneEffSPD.cxx b/ITS/AliITSPlaneEffSPD.cxx
index e0c5d371c53..18d5d0ac188 100644
--- a/ITS/AliITSPlaneEffSPD.cxx
+++ b/ITS/AliITSPlaneEffSPD.cxx
@@ -25,24 +25,39 @@
 /* $Id$ */
 
 #include <TMath.h>
+#include <TH1F.h>
+#include <TFile.h>
+#include <TTree.h>
+#include <TROOT.h>
 #include "AliITSPlaneEffSPD.h"
 #include "AliLog.h"
 #include "AliCDBStorage.h"
 #include "AliCDBEntry.h"
 #include "AliCDBManager.h"
 //#include "AliCDBRunRange.h"
-//#include "AliITSsegmentationSPD.h"
+#include "AliITSsegmentationSPD.h"
 #include "AliITSCalibrationSPD.h"
 
 ClassImp(AliITSPlaneEffSPD)	
 //______________________________________________________________________
 AliITSPlaneEffSPD::AliITSPlaneEffSPD():
-  AliITSPlaneEff(){
-//  for (UInt_t im=0; im<kNModule; im++){
-//  for (UInt_t ic=0; ic<kNChip; ic++){
-//    fFound[im][ic]=0;
-//    fTried[im][ic]=0;
-//  }}
+  AliITSPlaneEff(),
+  fHisResX(0),
+  fHisResZ(0),
+  fHisResXZ(0),
+  fHisClusterSize(0),
+  fHisResXclu(0),
+  fHisResZclu(0),
+  fHisResXchip(0),
+  fHisResZchip(0),
+  fProfResXvsPhi(0),
+  fProfResZvsDip(0),
+  fProfResXvsPhiclu(0), 
+  fProfResZvsDipclu(0),
+  fHisTrackErrX(0),
+  fHisTrackErrZ(0),
+  fHisClusErrX(0),
+  fHisClusErrZ(0){
   for (UInt_t i=0; i<kNModule*kNChip; i++){
     fFound[i]=0;
     fTried[i]=0;
@@ -59,10 +74,27 @@ AliITSPlaneEffSPD::~AliITSPlaneEffSPD(){
     //    none.
     // Return:
     //     none.
+    DeleteHistos();
 }
 //______________________________________________________________________
-AliITSPlaneEffSPD::AliITSPlaneEffSPD(const AliITSPlaneEffSPD &s) : AliITSPlaneEff(s) //,
+AliITSPlaneEffSPD::AliITSPlaneEffSPD(const AliITSPlaneEffSPD &s) : AliITSPlaneEff(s), 
 //fHis(s.fHis),
+fHisResX(0),
+fHisResZ(0),
+fHisResXZ(0),
+fHisClusterSize(0),
+fHisResXclu(0),
+fHisResZclu(0),
+fHisResXchip(0),
+fHisResZchip(0),
+fProfResXvsPhi(0),
+fProfResZvsDip(0),
+fProfResXvsPhiclu(0),
+fProfResZvsDipclu(0),
+fHisTrackErrX(0),
+fHisTrackErrZ(0),
+fHisClusErrX(0),
+fHisClusErrZ(0)
 {
     //     Copy Constructor
     // Inputs:
@@ -72,6 +104,35 @@ AliITSPlaneEffSPD::AliITSPlaneEffSPD(const AliITSPlaneEffSPD &s) : AliITSPlaneEf
     //    none.
     // Return:
 
+ for (UInt_t i=0; i<kNModule*kNChip; i++){
+    fFound[i]=s.fFound[i];
+    fTried[i]=s.fTried[i];
+ }
+ if(fHis) { 
+   InitHistos();
+   for(Int_t i=0; i<kNHisto; i++) {
+      s.fHisResX[i]->Copy(*fHisResX[i]);
+      s.fHisResZ[i]->Copy(*fHisResZ[i]);
+      s.fHisResXZ[i]->Copy(*fHisResXZ[i]);
+      s.fHisClusterSize[i]->Copy(*fHisClusterSize[i]);
+      for(Int_t clu=0; clu<kNclu; clu++) {  // clu=0 --> cluster size 1
+        s.fHisResXclu[i][clu]->Copy(*fHisResXclu[i][clu]);
+        s.fHisResZclu[i][clu]->Copy(*fHisResZclu[i][clu]);
+        s.fProfResXvsPhiclu[i][clu]->Copy(*fProfResXvsPhiclu[i][clu]);
+        s.fProfResZvsDipclu[i][clu]->Copy(*fProfResZvsDipclu[i][clu]);
+      }
+      for(Int_t chip=0; chip<kNChip; chip++) { 
+        s.fHisResXchip[i][chip]->Copy(*fHisResXchip[i][chip]);
+        s.fHisResZchip[i][chip]->Copy(*fHisResZchip[i][chip]);
+      }
+      s.fProfResXvsPhi[i]->Copy(*fProfResXvsPhi[i]);
+      s.fProfResZvsDip[i]->Copy(*fProfResZvsDip[i]);
+      s.fHisTrackErrX[i]->Copy(*fHisTrackErrX[i]);
+      s.fHisTrackErrZ[i]->Copy(*fHisTrackErrZ[i]);
+      s.fHisClusErrX[i]->Copy(*fHisClusErrX[i]);
+      s.fHisClusErrZ[i]->Copy(*fHisClusErrZ[i]);
+   }
+ }
 }
 //_________________________________________________________________________
 AliITSPlaneEffSPD& AliITSPlaneEffSPD::operator+=(const AliITSPlaneEffSPD &add){
@@ -86,6 +147,30 @@ AliITSPlaneEffSPD& AliITSPlaneEffSPD::operator+=(const AliITSPlaneEffSPD &add){
       fFound[i] += add.fFound[i];
       fTried[i] += add.fTried[i];
     }
+    if(fHis && add.fHis) {
+      for(Int_t i=0; i<kNHisto; i++) {
+        fHisResX[i]->Add(add.fHisResX[i]); 
+        fHisResZ[i]->Add(add.fHisResZ[i]); 
+        fHisResXZ[i]->Add(add.fHisResXZ[i]); 
+        fHisClusterSize[i]->Add(add.fHisClusterSize[i]); 
+        for(Int_t clu=0; clu<kNclu; clu++) {  // clu=0 --> cluster size 1
+          fHisResXclu[i][clu]->Add(add.fHisResXclu[i][clu]); 
+          fHisResZclu[i][clu]->Add(add.fHisResZclu[i][clu]); 
+          fProfResXvsPhiclu[i][clu]->Add(add.fProfResXvsPhiclu[i][clu]);
+          fProfResZvsDipclu[i][clu]->Add(add.fProfResZvsDipclu[i][clu]);
+        }
+        for(Int_t chip=0; chip<kNChip; chip++) {  
+          fHisResXchip[i][chip]->Add(add.fHisResXchip[i][chip]); 
+          fHisResZchip[i][chip]->Add(add.fHisResZchip[i][chip]); 
+        }
+        fProfResXvsPhi[i]->Add(add.fProfResXvsPhi[i]);
+        fProfResZvsDip[i]->Add(add.fProfResZvsDip[i]);
+        fHisTrackErrX[i]->Add(add.fHisTrackErrX[i]);
+        fHisTrackErrZ[i]->Add(add.fHisTrackErrZ[i]);
+        fHisClusErrX[i]->Add(add.fHisClusErrX[i]);
+        fHisClusErrZ[i]->Add(add.fHisClusErrZ[i]);
+      }
+    }
     return *this;
 }
 //______________________________________________________________________
@@ -101,23 +186,73 @@ AliITSPlaneEffSPD&  AliITSPlaneEffSPD::operator=(const
  
     if(this==&s) return *this;
     s.Copy(*this);
-//    if(&s == this) return *this;
-//    for (UInt_t i=0; i<kNModule*kNChip; i++){
-//      this->fFound[i] = s.fFound[i];
-//      this->fTried[i] = s.fTried[i];
-//    }
     return *this;
 }
 //______________________________________________________________________
 void AliITSPlaneEffSPD::Copy(TObject &obj) const {
   // protected method. copy this to obj
   AliITSPlaneEff::Copy(obj);
-  //((AliITSPlaneEffSPD& ) obj).fNpx  = fNpx;
+  AliITSPlaneEffSPD& target = (AliITSPlaneEffSPD &) obj;
   for(Int_t i=0;i<kNModule*kNChip;i++) {
-      ((AliITSPlaneEffSPD& ) obj).fFound[i] = fFound[i];
-      ((AliITSPlaneEffSPD& ) obj).fTried[i] = fTried[i];
+      target.fFound[i] = fFound[i];
+      target.fTried[i] = fTried[i];
+  }
+  CopyHistos(target);
+  return;
+}
+//_______________________________________________________________________
+void AliITSPlaneEffSPD::CopyHistos(AliITSPlaneEffSPD &target) const {
+  // protected method: copy histos from this to target
+  target.fHis  = fHis; // this is redundant only in some cases. Leave as it is.
+  if(fHis) {
+    target.fHisResX=new TH1F*[kNHisto];
+    target.fHisResZ=new TH1F*[kNHisto];
+    target.fHisResXZ=new TH2F*[kNHisto];
+    target.fHisClusterSize=new TH2I*[kNHisto];
+    target.fHisResXclu=new TH1F**[kNHisto];
+    target.fHisResZclu=new TH1F**[kNHisto];
+    target.fHisResXchip=new TH1F**[kNHisto];
+    target.fHisResZchip=new TH1F**[kNHisto];
+    target.fProfResXvsPhi=new TProfile*[kNHisto];
+    target.fProfResZvsDip=new TProfile*[kNHisto];
+    target.fProfResXvsPhiclu=new TProfile**[kNHisto];
+    target.fProfResZvsDipclu=new TProfile**[kNHisto];
+    target.fHisTrackErrX=new TH1F*[kNHisto];
+    target.fHisTrackErrZ=new TH1F*[kNHisto];
+    target.fHisClusErrX=new TH1F*[kNHisto];
+    target.fHisClusErrZ=new TH1F*[kNHisto];
+    for(Int_t i=0; i<kNHisto; i++) {
+      target.fHisResX[i] = new TH1F(*fHisResX[i]);
+      target.fHisResZ[i] = new TH1F(*fHisResZ[i]);
+      target.fHisResXZ[i] = new TH2F(*fHisResXZ[i]);
+      target.fHisClusterSize[i] = new TH2I(*fHisClusterSize[i]);
+      target.fHisResXclu[i]=new TH1F*[kNclu];
+      target.fHisResZclu[i]=new TH1F*[kNclu];
+      target.fProfResXvsPhiclu[i]=new TProfile*[kNclu];
+      target.fProfResZvsDipclu[i]=new TProfile*[kNclu];
+      for(Int_t clu=0; clu<kNclu; clu++) {  // clu=0 --> cluster size 1
+        target.fHisResXclu[i][clu] = new TH1F(*fHisResXclu[i][clu]);
+        target.fHisResZclu[i][clu] = new TH1F(*fHisResZclu[i][clu]);
+        target.fProfResXvsPhiclu[i][clu] = new TProfile(*fProfResXvsPhiclu[i][clu]);
+        target.fProfResZvsDipclu[i][clu] = new TProfile(*fProfResZvsDipclu[i][clu]);
+      }
+      target.fHisResXchip[i]=new TH1F*[kNChip];
+      target.fHisResZchip[i]=new TH1F*[kNChip];
+      for(Int_t chip=0; chip<kNChip; chip++) {  
+        target.fHisResXchip[i][chip] = new TH1F(*fHisResXchip[i][chip]);
+        target.fHisResZchip[i][chip] = new TH1F(*fHisResZchip[i][chip]);
+      }
+      target.fProfResXvsPhi[i] = new TProfile(*fProfResXvsPhi[i]);
+      target.fProfResZvsDip[i] = new TProfile(*fProfResZvsDip[i]);
+      target.fHisTrackErrX[i] = new TH1F(*fHisTrackErrX[i]);
+      target.fHisTrackErrZ[i] = new TH1F(*fHisTrackErrZ[i]);
+      target.fHisClusErrX[i] = new TH1F(*fHisClusErrX[i]);
+      target.fHisClusErrZ[i] = new TH1F(*fHisClusErrZ[i]);
+    }
   }
+return;
 }
+/*    commented out by M.Masera 8/3/08
 //______________________________________________________________________
 AliITSPlaneEff&  AliITSPlaneEffSPD::operator=(const
                                            AliITSPlaneEff &s){
@@ -133,6 +268,7 @@ AliITSPlaneEff&  AliITSPlaneEffSPD::operator=(const
     AliError("operator=: Not allowed to make a =, use default creater instead");
     return *this;
 }
+*/
 //_______________________________________________________________________
 Int_t AliITSPlaneEffSPD::GetMissingTracksForGivenEff(Double_t eff, Double_t RelErr,
           UInt_t im, UInt_t ic) const {
@@ -150,7 +286,11 @@ Int_t AliITSPlaneEffSPD::GetMissingTracksForGivenEff(Double_t eff, Double_t RelE
 if (im>=kNModule || ic>=kNChip) 
  {AliError("GetMissingTracksForGivenEff: you asked for a non existing chip");
  return -1;}
-else return GetNTracksForGivenEff(eff,RelErr)-fTried[GetKey(im,ic)];
+else { 
+  UInt_t key=GetKey(im,ic);
+  if(key<kNModule*kNChip) return GetNTracksForGivenEff(eff,RelErr)-fTried[key];
+  else return -1;
+}
 }
 //_________________________________________________________________________
 Double_t  AliITSPlaneEffSPD::PlaneEff(const UInt_t im,const UInt_t ic) const {
@@ -160,8 +300,13 @@ Double_t  AliITSPlaneEffSPD::PlaneEff(const UInt_t im,const UInt_t ic) const {
 //        ic     -> chip number [0,4] 
 if (im>=kNModule || ic>=kNChip) 
  {AliError("PlaneEff(Uint_t,Uint_t): you asked for a non existing chip"); return -1.;}
- Int_t nf=fFound[GetKey(im,ic)];
- Int_t nt=fTried[GetKey(im,ic)];
+UInt_t key=GetKey(im,ic);
+Int_t nf=-1;
+Int_t nt=-1;
+if(key<kNModule*kNChip) {
+  nf=fFound[key];
+  nt=fTried[key];
+}
 return AliITSPlaneEff::PlaneEff(nf,nt);
 }
 //_________________________________________________________________________
@@ -173,8 +318,13 @@ Double_t  AliITSPlaneEffSPD::ErrPlaneEff(const UInt_t im,const UInt_t ic) const
     //        ic     -> chip number [0,4] 
 if (im>=kNModule || ic>=kNChip) 
  {AliError("ErrPlaneEff(Uint_t,Uint_t): you asked for a non existing chip"); return -1.;}
-Int_t nf=fFound[GetKey(im,ic)];
-Int_t nt=fTried[GetKey(im,ic)];
+UInt_t key=GetKey(im,ic);
+Int_t nf=-1;
+Int_t nt=-1;
+if(key<kNModule*kNChip) {
+  nf=fFound[key];
+  nt=fTried[key];
+}
 return AliITSPlaneEff::ErrPlaneEff(nf,nt);
 } 
 //_________________________________________________________________________
@@ -183,9 +333,12 @@ Bool_t AliITSPlaneEffSPD::UpDatePlaneEff(const Bool_t Kfound,
   // Update efficiency for a basic block
 if (im>=kNModule || ic>=kNChip) 
  {AliError("UpDatePlaneEff: you asked for a non existing chip"); return kFALSE;}
- fTried[GetKey(im,ic)]++;
- if(Kfound) fFound[GetKey(im,ic)]++;
- return kTRUE;
+ UInt_t key=GetKey(im,ic);
+ if(key<kNModule*kNChip) {
+   fTried[key]++;
+   if(Kfound) fFound[key]++;
+   return kTRUE;
+ }
 }
 //_________________________________________________________________________
 UInt_t AliITSPlaneEffSPD::GetChipFromCol(const UInt_t col) const {
@@ -332,7 +485,7 @@ if(!fInitCDBCalled)
    return kFALSE;}
 // to be written properly: now only for debugging 
   AliCDBMetaData *md= new AliCDBMetaData(); // metaData describing the object
-  md->SetObjectClassName("AliITSPlaneEff");
+  //md->SetObjectClassName("AliITSPlaneEff");
   md->SetResponsible("Giuseppe Eugenio Bruno");
   md->SetBeamPeriod(0);
   md->SetAliRootVersion("head 19/11/07"); //root version
@@ -349,13 +502,27 @@ Bool_t AliITSPlaneEffSPD::ReadFromCDB() {
 if(!fInitCDBCalled)
   {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first");
    return kFALSE;}
-//if(!AliCDBManager::Instance()->IsDefaultStorageSet()) {
-//    AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
-//  }
 AliCDBEntry *cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSPD",fRunNumber);
+if(!cdbEntry) return kFALSE;
 AliITSPlaneEffSPD* eff= (AliITSPlaneEffSPD*)cdbEntry->GetObject();
 if(this==eff) return kFALSE;
-eff->Copy(*this);
+if(fHis) CopyHistos(*eff); // If histos already exist then copy them to eff
+eff->Copy(*this);          // copy everything (statistics and histos) from eff to this
+return kTRUE;
+}
+//_____________________________________________________________________________
+Bool_t AliITSPlaneEffSPD::AddFromCDB(AliCDBId *cdbId) {
+AliCDBEntry *cdbEntry=0;
+if (!cdbId) {
+  if(!fInitCDBCalled)  
+    {AliError("ReadFromCDB: CDB not inizialized. Call InitCDB first"); return kFALSE;}
+  cdbEntry = AliCDBManager::Instance()->Get("ITS/PlaneEff/PlaneEffSPD",fRunNumber);
+} else {
+  cdbEntry = AliCDBManager::Instance()->Get(*cdbId);
+}
+if(!cdbEntry) return kFALSE;
+AliITSPlaneEffSPD* eff= (AliITSPlaneEffSPD*)cdbEntry->GetObject();
+*this+=*eff;
 return kTRUE;
 }
 //_____________________________________________________________________________
@@ -380,17 +547,16 @@ return key;
 }
 //_____________________________________________________________________________
 UInt_t AliITSPlaneEffSPD::GetColFromLocZ(Float_t zloc) const {
-UInt_t col=0;
-/* note: as it is now, the AliITSsegmentationSPD::Init() does not properly initialize (6 chips !!!)
-AliITSsegmentationSPD spd;
-spd.Init();
-Int_t ix,iz;
-if(spd.LocalToDet(0,zloc,ix,iz)) col+=iz;
-else {
-  AliError("GetColFromLocZ: cannot compute column number from local z");
-  col=99999;}
-return col;
-*/
+// method to retrieve column number from the local z coordinate
+  UInt_t col=0;
+  AliITSsegmentationSPD spd;
+  Int_t ix,iz;
+  if(spd.LocalToDet(0,zloc,ix,iz)) col+=iz;
+  else {
+    AliDebug(1,Form("cannot compute column number from local z=%f",zloc));
+    col=99999;}
+  return col;
+/*
 const Float_t kconv = 1.0E-04; // converts microns to cm.
 Float_t bz[160];
 for(Int_t i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
@@ -413,6 +579,7 @@ for(j=0;j<160;j++){
 col+=j;
 //
 return col;
+*/
 }
 //________________________________________________________
 Bool_t AliITSPlaneEffSPD::GetBlockBoundaries(const UInt_t key, Float_t& xmn,Float_t& xmx,
@@ -432,6 +599,7 @@ zmn=GetLocZFromCol(chip*kNCol);
 zmx=GetLocZFromCol((chip+1)*kNCol);
 xmn=GetLocXFromRow(0);
 xmx=GetLocXFromRow(kNRow);
+//
 Float_t tmp=zmn;
 if(zmx<zmn) {zmn=zmx; zmx=tmp;}
 tmp=xmn;
@@ -450,17 +618,13 @@ Float_t AliITSPlaneEffSPD::GetLocXFromRow(const UInt_t row) const {
 //
 if(row>kNRow)  // not >= ! allow also computation of upper limit of the last row. 
   {AliError("LocYFromRow: you asked for a non existing row"); return 9999999.;}
-const Float_t kconv = 1.0E-04; // converts microns to cm.
-Float_t bx[256];
-for(Int_t i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
-//
-Float_t dx=0;
-for(Int_t i=000;i<256;i++) dx+=bx[i];
-dx = -0.5*kconv*dx;
-for(UInt_t j=0;j<row;j++){
-  dx += kconv*bx[j];
-} // end for j
-return dx;
+// Use only AliITSsegmentationSPD
+AliITSsegmentationSPD spd;
+Double_t dummy,x;
+if(row==kNRow) spd.CellBoundries((Int_t)row-1,0,dummy,x,dummy,dummy);
+else spd.CellBoundries((Int_t)row,0,x,dummy,dummy,dummy);
+return (Float_t)x;
+
 }
 //________________________________________________________
 Float_t AliITSPlaneEffSPD::GetLocZFromCol(const UInt_t col) const {
@@ -474,19 +638,674 @@ Float_t AliITSPlaneEffSPD::GetLocZFromCol(const UInt_t col) const {
 //
 if(col>kNChip*kNCol) // not >= ! allow also computation of upper limit of the last column
   {AliError("LocZFromCol: you asked for a non existing column"); return 9999999.;}
-const Float_t kconv = 1.0E-04; // converts microns to cm.
-Float_t bz[160];
-for(Int_t i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
-bz[ 31] = bz[ 32] = 625.0; // first chip boundry
-bz[ 63] = bz[ 64] = 625.0; // first chip boundry
-bz[ 95] = bz[ 96] = 625.0; // first chip boundry
-bz[127] = bz[128] = 625.0; // first chip boundry
+// Use only AliITSsegmentationSPD
+AliITSsegmentationSPD spd;
+Double_t dummy,y;
+if(col==kNChip*kNCol) spd.CellBoundries(0,(Int_t)col-1,dummy,dummy,dummy,y);
+else spd.CellBoundries(0,(Int_t)col,dummy,dummy,y,dummy);
+return (Float_t)y;
+
+}
+//__________________________________________________________
+void AliITSPlaneEffSPD::InitHistos() {
+  // for the moment let's create the histograms 
+  // module by  module
+  TString histnameResX="HistResX_mod_",aux;
+  TString histnameResZ="HistResZ_mod_";
+  TString histnameResXZ="HistResXZ_mod_";
+  TString histnameClusterType="HistClusterType_mod_";
+  TString histnameResXclu="HistResX_mod_";
+  TString histnameResZclu="HistResZ_mod_";
+  TString histnameResXchip="HistResX_mod_";
+  TString histnameResZchip="HistResZ_mod_";
+  TString profnameResXvsPhi="ProfResXvsPhi_mod_";
+  TString profnameResZvsDip="ProfResZvsDip_mod_";
+  TString profnameResXvsPhiclu="ProfResXvsPhi_mod_";
+  TString profnameResZvsDipclu="ProfResZvsDip_mod_";
+  TString histnameTrackErrX="HistTrackErrX_mod_";
+  TString histnameTrackErrZ="HistTrackErrZ_mod_";
+  TString histnameClusErrX="HistClusErrX_mod_";
+  TString histnameClusErrZ="HistClusErrZ_mod_";
 //
-Float_t dz=0;
-for(Int_t i=000;i<160;i++) dz+=bz[i];
-dz = -0.5*kconv*dz;
-for(UInt_t j=0;j<col;j++){
-  dz += kconv*bz[j];
-} // end for j
-return dz;
+
+  TH1::AddDirectory(kFALSE);
+
+  fHisResX=new TH1F*[kNHisto];
+  fHisResZ=new TH1F*[kNHisto];
+  fHisResXZ=new TH2F*[kNHisto];
+  fHisClusterSize=new TH2I*[kNHisto];
+  fHisResXclu=new TH1F**[kNHisto];
+  fHisResZclu=new TH1F**[kNHisto];
+  fHisResXchip=new TH1F**[kNHisto];
+  fHisResZchip=new TH1F**[kNHisto];
+  fProfResXvsPhi=new TProfile*[kNHisto];
+  fProfResZvsDip=new TProfile*[kNHisto];
+  fProfResXvsPhiclu=new TProfile**[kNHisto];
+  fProfResZvsDipclu=new TProfile**[kNHisto];
+  fHisTrackErrX=new TH1F*[kNHisto];
+  fHisTrackErrZ=new TH1F*[kNHisto];
+  fHisClusErrX=new TH1F*[kNHisto];
+  fHisClusErrZ=new TH1F*[kNHisto];
+
+  for (Int_t nhist=0;nhist<kNHisto;nhist++){
+    aux=histnameResX;
+    aux+=nhist;
+    fHisResX[nhist]=new TH1F("histname","histname",1600,-0.32,0.32); // +- 3200 micron; 1 bin=4 micron
+    fHisResX[nhist]->SetName(aux.Data());
+    fHisResX[nhist]->SetTitle(aux.Data());
+
+    aux=histnameResZ;
+    aux+=nhist;
+    fHisResZ[nhist]=new TH1F("histname","histname",1200,-0.48,0.48); // +-4800 micron; 1 bin=8 micron
+    fHisResZ[nhist]->SetName(aux.Data());
+    fHisResZ[nhist]->SetTitle(aux.Data());
+
+    aux=histnameResXZ;
+    aux+=nhist;
+    fHisResXZ[nhist]=new TH2F("histname","histname",80,-0.16,0.16,80,-0.32,0.32); // binning:
+    fHisResXZ[nhist]->SetName(aux.Data());					   // 40 micron in x;
+    fHisResXZ[nhist]->SetTitle(aux.Data());					   // 80 micron in z;
+
+    aux=histnameClusterType;
+    aux+=nhist;
+    fHisClusterSize[nhist]=new TH2I("histname","histname",10,0.5,10.5,10,0.5,10.5);
+    fHisClusterSize[nhist]->SetName(aux.Data());
+    fHisClusterSize[nhist]->SetTitle(aux.Data());
+
+    fHisResXclu[nhist]=new TH1F*[kNclu];
+    fHisResZclu[nhist]=new TH1F*[kNclu];
+    for(Int_t clu=0; clu<kNclu; clu++) {  // clu=0 --> cluster size 1
+      aux=histnameResXclu;
+      aux+=nhist;
+      aux+="_clu_";
+      aux+=clu+1; // clu=0 --> cluster size 1
+      fHisResXclu[nhist][clu]=new TH1F("histname","histname",1600,-0.32,0.32); // +- 3200 micron; 1 bin=4 micron
+      fHisResXclu[nhist][clu]->SetName(aux.Data());
+      fHisResXclu[nhist][clu]->SetTitle(aux.Data());
+
+      aux=histnameResZclu;
+      aux+=nhist;
+      aux+="_clu_";
+      aux+=clu+1; // clu=0 --> cluster size 1
+      fHisResZclu[nhist][clu]=new TH1F("histname","histname",1200,-0.48,0.48); // +-4800 micron; 1 bin=8 micron
+      fHisResZclu[nhist][clu]->SetName(aux.Data());
+      fHisResZclu[nhist][clu]->SetTitle(aux.Data());
+    }
+
+    fHisResXchip[nhist]=new TH1F*[kNChip];
+    fHisResZchip[nhist]=new TH1F*[kNChip];
+    for(Int_t chip=0; chip<kNChip; chip++) { 
+      aux=histnameResXchip;
+      aux+=nhist;
+      aux+="_chip_";
+      aux+=chip; 
+      fHisResXchip[nhist][chip]=new TH1F("histname","histname",800,-0.32,0.32); // +- 3200 micron; 1 bin=8 micron
+      fHisResXchip[nhist][chip]->SetName(aux.Data());
+      fHisResXchip[nhist][chip]->SetTitle(aux.Data());
+
+      aux=histnameResZchip;
+      aux+=nhist;
+      aux+="_chip_";
+      aux+=chip;
+      fHisResZchip[nhist][chip]=new TH1F("histname","histname",300,-0.48,0.48); // +-4800 micron; 1 bin=32 micron
+      fHisResZchip[nhist][chip]->SetName(aux.Data());
+      fHisResZchip[nhist][chip]->SetTitle(aux.Data());
+    }
+
+    aux=histnameTrackErrX;
+    aux+=nhist;
+    fHisTrackErrX[nhist]=new TH1F("histname","histname",400,0.,0.32); // 0-3200 micron; 1 bin=8 micron
+    fHisTrackErrX[nhist]->SetName(aux.Data());
+    fHisTrackErrX[nhist]->SetTitle(aux.Data());
+
+    aux=histnameTrackErrZ;
+    aux+=nhist;
+    fHisTrackErrZ[nhist]=new TH1F("histname","histname",200,0.,0.32); // 0-3200 micron; 1 bin=16 micron
+    fHisTrackErrZ[nhist]->SetName(aux.Data());
+    fHisTrackErrZ[nhist]->SetTitle(aux.Data());
+
+    aux=histnameClusErrX;
+    aux+=nhist;
+    fHisClusErrX[nhist]=new TH1F("histname","histname",400,0.,0.08); //  0-800 micron; 1 bin=2 micron
+    fHisClusErrX[nhist]->SetName(aux.Data());
+    fHisClusErrX[nhist]->SetTitle(aux.Data());
+
+    aux=histnameClusErrZ;
+    aux+=nhist;
+    fHisClusErrZ[nhist]=new TH1F("histname","histname",400,0.,0.32); //  0-3200 micron; 1 bin=8 micron
+    fHisClusErrZ[nhist]->SetName(aux.Data());
+    fHisClusErrZ[nhist]->SetTitle(aux.Data());
+
+    aux=profnameResXvsPhi;
+    aux+=nhist;
+    fProfResXvsPhi[nhist]=new TProfile("histname","histname",40,-40.,40.0); // binning: range:  -40°- 40°
+    fProfResXvsPhi[nhist]->SetName(aux.Data());                             //          bin width: 2°
+    fProfResXvsPhi[nhist]->SetTitle(aux.Data());
+
+    aux=profnameResZvsDip;
+    aux+=nhist;
+    fProfResZvsDip[nhist]=new TProfile("histname","histname",48,-72.,72.0); // binning: range:  -70°-4°
+    fProfResZvsDip[nhist]->SetName(aux.Data());                             //          bin width: 3°
+    fProfResZvsDip[nhist]->SetTitle(aux.Data());
+
+    fProfResXvsPhiclu[nhist]=new TProfile*[kNclu];
+    fProfResZvsDipclu[nhist]=new TProfile*[kNclu];
+    for(Int_t clu=0; clu<kNclu; clu++) {  // clu=0 --> cluster size 1
+      aux=profnameResXvsPhiclu;
+      aux+=nhist;
+      aux+="_clu_";
+      aux+=clu+1; // clu=0 --> cluster size 1
+      fProfResXvsPhiclu[nhist][clu]=new TProfile("histname","histname",40,-40.,40.0); // binning: range:  -40°- 40
+      fProfResXvsPhiclu[nhist][clu]->SetName(aux.Data()); 		 	      //          bin width: 2°
+      fProfResXvsPhiclu[nhist][clu]->SetTitle(aux.Data());
+
+      aux=profnameResZvsDipclu;
+      aux+=nhist;
+      aux+="_clu_";
+      aux+=clu+1; // clu=0 --> cluster size 1
+      fProfResZvsDipclu[nhist][clu]= new TProfile("histname","histname",48,-72.,72.0); // binning: range:  -70°-7°
+      fProfResZvsDipclu[nhist][clu]->SetName(aux.Data());                              //      bin width: 3°
+      fProfResZvsDipclu[nhist][clu]->SetTitle(aux.Data());
+    }
+
+  } // end loop on module
+
+  TH1::AddDirectory(kTRUE);
+
+return;
+}
+//__________________________________________________________
+void AliITSPlaneEffSPD::DeleteHistos() {
+  if(fHisResX) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisResX[i];
+    delete [] fHisResX; fHisResX=0;
+  }
+  if(fHisResZ) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisResZ[i];
+    delete [] fHisResZ; fHisResZ=0;
+  }
+  if(fHisResXZ) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisResXZ[i];
+    delete [] fHisResXZ; fHisResXZ=0;
+  }
+  if(fHisClusterSize) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusterSize[i];
+    delete [] fHisClusterSize; fHisClusterSize=0;
+  }
+  if(fHisResXclu) {
+    for (Int_t i=0; i<kNHisto; i++ ) {
+      for (Int_t clu=0; clu<kNclu; clu++) if (fHisResXclu[i][clu]) delete fHisResXclu[i][clu];
+      delete [] fHisResXclu[i];
+    }
+    delete [] fHisResXclu;
+    fHisResXclu = 0;
+  }
+  if(fHisResZclu) {
+    for (Int_t i=0; i<kNHisto; i++ ) {
+      for (Int_t clu=0; clu<kNclu; clu++) if (fHisResZclu[i][clu]) delete fHisResZclu[i][clu];
+      delete [] fHisResZclu[i];
+    }
+    delete [] fHisResZclu;
+    fHisResZclu = 0;
+  }
+  if(fHisResXchip) {
+    for (Int_t i=0; i<kNHisto; i++ ) {
+      for (Int_t chip=0; chip<kNChip; chip++) if (fHisResXchip[i][chip]) delete fHisResXchip[i][chip];
+      delete [] fHisResXchip[i];
+    }
+    delete [] fHisResXchip;
+    fHisResXchip = 0;
+  }
+  if(fHisResZchip) {
+    for (Int_t i=0; i<kNHisto; i++ ) {
+      for (Int_t chip=0; chip<kNChip; chip++) if (fHisResZchip[i][chip]) delete fHisResZchip[i][chip];
+      delete [] fHisResZchip[i];
+    }
+    delete [] fHisResZchip;
+    fHisResZchip = 0;
+  }
+  if(fHisTrackErrX) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrX[i];
+    delete [] fHisTrackErrX; fHisTrackErrX=0;
+  }
+  if(fHisTrackErrZ) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisTrackErrZ[i];
+    delete [] fHisTrackErrZ; fHisTrackErrZ=0;
+  }
+  if(fHisClusErrX) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrX[i];
+    delete [] fHisClusErrX; fHisClusErrX=0;
+  }
+  if(fHisClusErrZ) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fHisClusErrZ[i];
+    delete [] fHisClusErrZ; fHisClusErrZ=0;
+  }
+  if(fProfResXvsPhi) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fProfResXvsPhi[i];
+    delete [] fProfResXvsPhi; fProfResXvsPhi=0;
+  }
+  if(fProfResZvsDip) {
+    for (Int_t i=0; i<kNHisto; i++ ) delete fProfResZvsDip[i];
+    delete [] fProfResZvsDip; fProfResZvsDip=0;
+  }
+  if(fProfResXvsPhiclu) {
+    for (Int_t i=0; i<kNHisto; i++ ) {
+      for (Int_t clu=0; clu<kNclu; clu++) if (fProfResXvsPhiclu[i][clu]) delete fProfResXvsPhiclu[i][clu];
+      delete [] fProfResXvsPhiclu[i];
+    }
+    delete [] fProfResXvsPhiclu;
+    fProfResXvsPhiclu = 0;
+  }
+  if(fProfResZvsDipclu) {
+    for (Int_t i=0; i<kNHisto; i++ ) {
+      for (Int_t clu=0; clu<kNclu; clu++) if (fProfResZvsDipclu[i][clu]) delete fProfResZvsDipclu[i][clu];
+      delete [] fProfResZvsDipclu[i];
+    }
+    delete [] fProfResZvsDipclu;
+    fProfResZvsDipclu = 0;
+  }
+
+return;
+}
+//__________________________________________________________
+Bool_t AliITSPlaneEffSPD::FillHistos(UInt_t key, Bool_t found, 
+                                     Float_t *tr, Float_t *clu, Int_t *csize, Float_t *angtrkmod) {
+// this method fill the histograms
+// input: - key: unique key of the basic block 
+//        - found: Boolean to asses whether a cluster has been associated to the track or not 
+//        - tr[0],tr[1] local X and Z coordinates of the track prediction, respectively
+//        - tr[2],tr[3] error on local X and Z coordinates of the track prediction, respectively
+//        - clu[0],clu[1] local X and Z coordinates of the cluster associated to the track, respectively
+//        - clu[2],clu[3] error on local X and Z coordinates of the cluster associated to the track, respectively
+//        - csize[0][1] cluster size in X and Z, respectively
+//        - angtrkmod[0],angtrkmod[1]  
+// output: kTRUE if filling was succesfull kFALSE otherwise
+// side effects: updating of the histograms. 
+//
+  if (!fHis) {
+    AliWarning("FillHistos: histograms do not exist! Call SetCreateHistos(kTRUE) first");
+    return kFALSE;
+  }
+  if(key>=kNModule*kNChip)
+    {AliWarning("FillHistos: you asked for a non existing key"); return kFALSE;}
+  Int_t id=GetModFromKey(key);
+  Int_t chip=GetChipFromKey(key);
+  if(id>=kNHisto) 
+    {AliWarning("FillHistos: you want to fill a non-existing histos"); return kFALSE;}
+  if(found) {
+    Float_t resx=tr[0]-clu[0];
+    Float_t resz=tr[1]-clu[1];
+    fHisResX[id]->Fill(resx);
+    fHisResZ[id]->Fill(resz);
+    fHisResXZ[id]->Fill(resx,resz);
+    fHisClusterSize[id]->Fill((Double_t)csize[0],(Double_t)csize[1]);
+    if(csize[0]>0 &&  csize[0]<=kNclu) fHisResXclu[id][csize[0]-1]->Fill(resx);
+    if(csize[1]>0 &&  csize[1]<=kNclu) fHisResZclu[id][csize[1]-1]->Fill(resz);
+    fHisResXchip[id][chip]->Fill(resx);
+    fHisResZchip[id][chip]->Fill(resz);
+    fProfResXvsPhi[id]->Fill(angtrkmod[0],resx);
+    fProfResZvsDip[id]->Fill(angtrkmod[1],resz);
+    if(csize[0]>0 &&  csize[0]<=kNclu) fProfResXvsPhiclu[id][csize[0]-1]->Fill(angtrkmod[0],resx);
+    if(csize[1]>0 &&  csize[1]<=kNclu) fProfResZvsDipclu[id][csize[1]-1]->Fill(angtrkmod[1],resz);
+  }
+  fHisTrackErrX[id]->Fill(tr[2]);
+  fHisTrackErrZ[id]->Fill(tr[3]);
+  fHisClusErrX[id]->Fill(clu[2]);
+  fHisClusErrZ[id]->Fill(clu[3]);
+  return kTRUE;
 }
+//__________________________________________________________
+Bool_t AliITSPlaneEffSPD::WriteHistosToFile(TString filename, Option_t* option) {
+  //
+  // Saves the histograms into a tree and saves the trees into a file
+  //
+  if (!fHis) return kFALSE;
+  if (filename.IsNull() || filename.IsWhitespace()) {
+     AliWarning("WriteHistosToFile: null output filename!");
+     return kFALSE;
+  }
+  char branchname[30];
+  TFile *hFile=new TFile(filename.Data(),option,
+                         "The File containing the TREEs with ITS PlaneEff Histos");
+  TTree *SPDTree=new TTree("SPDTree","Tree whith Residuals and Cluster Type distributions for SPD");
+  TH1F *histZ,*histX;
+  TH2F *histXZ;
+  TH2I *histClusterType;
+  TH1F *histXclu[kNclu];
+  TH1F *histZclu[kNclu];
+  TH1F *histXchip[kNChip];
+  TH1F *histZchip[kNChip];
+  TH1F *histTrErrZ,*histTrErrX;
+  TH1F *histClErrZ,*histClErrX;
+  TProfile *profXvsPhi,*profZvsDip;
+  TProfile *profXvsPhiclu[kNclu],*profZvsDipclu[kNclu];
+
+  histZ=new TH1F();
+  histX=new TH1F();
+  histXZ=new TH2F();
+  histClusterType=new TH2I();
+  for(Int_t clu=0;clu<kNclu;clu++) {
+    histXclu[clu]=new TH1F();
+    histZclu[clu]=new TH1F();
+  }
+  for(Int_t chip=0;chip<kNChip;chip++) {
+    histXchip[chip]=new TH1F();
+    histZchip[chip]=new TH1F();
+  }
+  histTrErrX=new TH1F();
+  histTrErrZ=new TH1F();
+  histClErrX=new TH1F();
+  histClErrZ=new TH1F();
+  profXvsPhi=new TProfile();
+  profZvsDip=new TProfile();
+  for(Int_t clu=0;clu<kNclu;clu++) {
+    profXvsPhiclu[clu]=new TProfile();
+    profZvsDipclu[clu]=new TProfile();
+  }
+
+
+  SPDTree->Branch("histX","TH1F",&histX,128000,0);
+  SPDTree->Branch("histZ","TH1F",&histZ,128000,0);
+  SPDTree->Branch("histXZ","TH2F",&histXZ,128000,0);
+  SPDTree->Branch("histClusterType","TH2I",&histClusterType,128000,0);
+  for(Int_t clu=0;clu<kNclu;clu++) {
+    sprintf(branchname,"histXclu_%d",clu+1);
+    SPDTree->Branch(branchname,"TH1F",&histXclu[clu],128000,0);
+    sprintf(branchname,"histZclu_%d",clu+1);
+    SPDTree->Branch(branchname,"TH1F",&histZclu[clu],128000,0);
+  }
+  for(Int_t chip=0;chip<kNChip;chip++) {
+    sprintf(branchname,"histXchip_%d",chip);
+    SPDTree->Branch(branchname,"TH1F",&histXchip[chip],128000,0);
+    sprintf(branchname,"histZchip_%d",chip);
+    SPDTree->Branch(branchname,"TH1F",&histZchip[chip],128000,0);
+  }
+  SPDTree->Branch("histTrErrX","TH1F",&histTrErrX,128000,0);
+  SPDTree->Branch("histTrErrZ","TH1F",&histTrErrZ,128000,0);
+  SPDTree->Branch("histClErrX","TH1F",&histClErrX,128000,0);
+  SPDTree->Branch("histClErrZ","TH1F",&histClErrZ,128000,0);
+  SPDTree->Branch("profXvsPhi","TProfile",&profXvsPhi,128000,0);
+  SPDTree->Branch("profZvsDip","TProfile",&profZvsDip,128000,0);
+  for(Int_t clu=0;clu<kNclu;clu++) {
+    sprintf(branchname,"profXvsPhiclu_%d",clu+1);
+    SPDTree->Branch(branchname,"TProfile",&profXvsPhiclu[clu],128000,0);
+    sprintf(branchname,"profZvsDipclu_%d",clu+1);
+    SPDTree->Branch(branchname,"TProfile",&profZvsDipclu[clu],128000,0);
+  }
+
+  for(Int_t j=0;j<kNHisto;j++){
+    histX=fHisResX[j];
+    histZ=fHisResZ[j];
+    histXZ=fHisResXZ[j];
+    histClusterType=fHisClusterSize[j];
+    for(Int_t clu=0;clu<kNclu;clu++) {
+      histXclu[clu]=fHisResXclu[j][clu];
+      histZclu[clu]=fHisResZclu[j][clu];
+    }
+    for(Int_t chip=0;chip<kNChip;chip++) {
+      histXchip[chip]=fHisResXchip[j][chip];
+      histZchip[chip]=fHisResZchip[j][chip];
+    }
+    histTrErrX=fHisTrackErrX[j];
+    histTrErrZ=fHisTrackErrZ[j];
+    histClErrX=fHisClusErrX[j];
+    histClErrZ=fHisClusErrZ[j];
+    profXvsPhi=fProfResXvsPhi[j];
+    profZvsDip=fProfResZvsDip[j];
+    for(Int_t clu=0;clu<kNclu;clu++) {
+      profXvsPhiclu[clu]=fProfResXvsPhiclu[j][clu];
+      profZvsDipclu[clu]=fProfResZvsDipclu[j][clu];
+    }
+
+    SPDTree->Fill();
+  }
+  hFile->Write();
+  hFile->Close();
+return kTRUE;
+}
+//__________________________________________________________
+Bool_t AliITSPlaneEffSPD::ReadHistosFromFile(TString filename) {
+  //
+  // Read histograms from an already existing file 
+  //
+  if (!fHis) return kFALSE;
+  if (filename.IsNull() || filename.IsWhitespace()) {
+     AliWarning("ReadHistosFromFile: incorrect output filename!");
+     return kFALSE;
+  }
+  char branchname[30];
+
+  TH1F *h  = 0;
+  TH2F *h2 = 0;
+  TH2I *h2i= 0;
+  TProfile *p = 0;
+
+  TFile *file=TFile::Open(filename.Data(),"READONLY");
+
+  if (!file || file->IsZombie()) {
+    AliWarning(Form("Can't open %s !",filename.Data()));
+    delete file;
+    return kFALSE;
+  }
+  TTree *tree = (TTree*) file->Get("SPDTree");
+
+  TBranch *histX = (TBranch*) tree->GetBranch("histX");
+  TBranch *histZ = (TBranch*) tree->GetBranch("histZ");
+  TBranch *histXZ = (TBranch*) tree->GetBranch("histXZ");
+  TBranch *histClusterType = (TBranch*) tree->GetBranch("histClusterType");
+   
+  TBranch *histXclu[kNclu], *histZclu[kNclu];
+  for(Int_t clu=0; clu<kNclu; clu++) {
+    sprintf(branchname,"histXclu_%d",clu+1);
+    histXclu[clu]= (TBranch*) tree->GetBranch(branchname);
+    sprintf(branchname,"histZclu_%d",clu+1);
+    histZclu[clu]= (TBranch*) tree->GetBranch(branchname);
+  }
+
+  TBranch *histXchip[kNChip], *histZchip[kNChip];
+  for(Int_t chip=0; chip<kNChip; chip++) {
+    sprintf(branchname,"histXchip_%d",chip);
+    histXchip[chip]= (TBranch*) tree->GetBranch(branchname);
+    sprintf(branchname,"histZchip_%d",chip);
+    histZchip[chip]= (TBranch*) tree->GetBranch(branchname);
+  }
+
+  TBranch *histTrErrX = (TBranch*) tree->GetBranch("histTrErrX");
+  TBranch *histTrErrZ = (TBranch*) tree->GetBranch("histTrErrZ");
+  TBranch *histClErrX = (TBranch*) tree->GetBranch("histClErrX");
+  TBranch *histClErrZ = (TBranch*) tree->GetBranch("histClErrZ");
+  TBranch *profXvsPhi = (TBranch*) tree->GetBranch("profXvsPhi");
+  TBranch *profZvsDip = (TBranch*) tree->GetBranch("profZvsDip");
+
+  TBranch *profXvsPhiclu[kNclu], *profZvsDipclu[kNclu];
+  for(Int_t clu=0; clu<kNclu; clu++) {
+    sprintf(branchname,"profXvsPhiclu_%d",clu+1);
+    profXvsPhiclu[clu]= (TBranch*) tree->GetBranch(branchname);
+    sprintf(branchname,"profZvsDipclu_%d",clu+1);
+    profZvsDipclu[clu]= (TBranch*) tree->GetBranch(branchname);
+  }
+
+  gROOT->cd();
+
+  Int_t nevent = (Int_t)histX->GetEntries();
+  if(nevent!=kNHisto) 
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histX->SetAddress(&h);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h; h=0;
+    histX->GetEntry(j);
+    fHisResX[j]->Add(h);
+  }
+
+  nevent = (Int_t)histZ->GetEntries();
+  if(nevent!=kNHisto) 
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histZ->SetAddress(&h);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h; h=0;
+    histZ->GetEntry(j);
+    fHisResZ[j]->Add(h);
+  }
+
+  nevent = (Int_t)histXZ->GetEntries();
+  if(nevent!=kNHisto) 
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histXZ->SetAddress(&h2);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h2; h2=0;
+    histXZ->GetEntry(j);
+    fHisResXZ[j]->Add(h2);
+  }
+
+  nevent = (Int_t)histClusterType->GetEntries();
+  if(nevent!=kNHisto) 
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histClusterType->SetAddress(&h2i);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h2i; h2i=0;
+    histClusterType->GetEntry(j);
+    fHisClusterSize[j]->Add(h2i);
+  }
+
+  for(Int_t clu=0; clu<kNclu; clu++) {
+
+    nevent = (Int_t)histXclu[clu]->GetEntries();
+    if(nevent!=kNHisto)
+      {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+    histXclu[clu]->SetAddress(&h);
+    for(Int_t j=0;j<kNHisto;j++){
+      delete h; h=0;
+      histXclu[clu]->GetEntry(j);
+      fHisResXclu[j][clu]->Add(h);
+    }
+
+   nevent = (Int_t)histZclu[clu]->GetEntries();
+    if(nevent!=kNHisto)
+      {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+    histZclu[clu]->SetAddress(&h);
+    for(Int_t j=0;j<kNHisto;j++){
+      delete h; h=0;
+      histZclu[clu]->GetEntry(j);
+      fHisResZclu[j][clu]->Add(h);
+    }
+  }
+
+
+    for(Int_t chip=0; chip<kNChip; chip++) {
+
+    nevent = (Int_t)histXchip[chip]->GetEntries();
+    if(nevent!=kNHisto)
+      {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+    histXchip[chip]->SetAddress(&h);
+    for(Int_t j=0;j<kNHisto;j++){
+      delete h; h=0;
+      histXchip[chip]->GetEntry(j);
+      fHisResXchip[j][chip]->Add(h);
+    }
+
+    nevent = (Int_t)histZchip[chip]->GetEntries();
+    if(nevent!=kNHisto)
+      {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+    histZchip[chip]->SetAddress(&h);
+    for(Int_t j=0;j<kNHisto;j++){
+      delete h; h=0;
+      histZchip[chip]->GetEntry(j);
+      fHisResZchip[j][chip]->Add(h);
+    }
+  }
+
+  nevent = (Int_t)histTrErrX->GetEntries(); 
+  if(nevent!=kNHisto)
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histTrErrX->SetAddress(&h);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h; h=0;
+    histTrErrX->GetEntry(j);
+    fHisTrackErrX[j]->Add(h);
+  }
+
+  nevent = (Int_t)histTrErrZ->GetEntries();
+  if(nevent!=kNHisto)
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histTrErrZ->SetAddress(&h);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h; h=0;
+    histTrErrZ->GetEntry(j);
+    fHisTrackErrZ[j]->Add(h);
+  }
+
+  nevent = (Int_t)histClErrX->GetEntries();
+  if(nevent!=kNHisto)
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histClErrX->SetAddress(&h);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h; h=0;
+    histClErrX->GetEntry(j);
+    fHisClusErrX[j]->Add(h);
+  }
+
+  nevent = (Int_t)histClErrZ->GetEntries();
+  if(nevent!=kNHisto)
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  histClErrZ->SetAddress(&h);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete h; h=0;
+    histClErrZ->GetEntry(j);
+    fHisClusErrZ[j]->Add(h);
+  }
+
+  nevent = (Int_t)profXvsPhi->GetEntries();
+  if(nevent!=kNHisto)
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  profXvsPhi->SetAddress(&p);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete p; p=0;
+    profXvsPhi->GetEntry(j);
+    fProfResXvsPhi[j]->Add(p);
+  }
+
+  nevent = (Int_t)profZvsDip->GetEntries();
+  if(nevent!=kNHisto)
+    {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+  profZvsDip->SetAddress(&p);
+  for(Int_t j=0;j<kNHisto;j++){
+    delete p; p=0;
+    profZvsDip->GetEntry(j);
+    fProfResZvsDip[j]->Add(p);
+  }
+
+    for(Int_t clu=0; clu<kNclu; clu++) {
+
+    nevent = (Int_t)profXvsPhiclu[clu]->GetEntries();
+    if(nevent!=kNHisto)
+      {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+    profXvsPhiclu[clu]->SetAddress(&p);
+    for(Int_t j=0;j<kNHisto;j++){
+      delete p; p=0;
+      profXvsPhiclu[clu]->GetEntry(j);
+      fProfResXvsPhiclu[j][clu]->Add(p);
+    }
+
+    nevent = (Int_t)profZvsDipclu[clu]->GetEntries();
+    if(nevent!=kNHisto)
+      {AliWarning("ReadHistosFromFile: trying to read too many or too few histos!"); return kFALSE;}
+    profZvsDipclu[clu]->SetAddress(&p);
+    for(Int_t j=0;j<kNHisto;j++){
+      delete p; p=0;
+      profZvsDipclu[clu]->GetEntry(j);
+      fProfResZvsDipclu[j][clu]->Add(p);
+    }
+  }
+
+
+  delete h;   h=0;
+  delete h2;  h2=0;
+  delete h2i; h2i=0;
+  delete p;   p=0;
+
+  if (file) {
+    file->Close();
+  }
+return kTRUE;
+}
+