/**************************************************************************
 * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id: AliEMCALFolder.cxx 24500 2008-03-13 23:39:38Z jklay $ */

//_________________________________________________________________________
// Top EMCAL folder which will keep all 
// information about EMCAL itself,
// super Modules (SM), modules, towers, 
// set of hists and so on.
//
//*-- Author: Aleksei Pavlinov (WSU, Detroit, USA) 

#include "AliEMCALFolder.h"
#include "AliEMCALHistoUtilities.h"
#include "AliEMCALGeometry.h"
#include "AliEMCALSuperModule.h"
#include "AliEMCALCell.h"
#include "AliESDCaloCluster.h"

#include "AliRun.h"

#include "AliEMCALCalibData.h"
#include "AliCDBMetaData.h"
#include "AliCDBId.h"
#include "AliCDBEntry.h"
#include "AliCDBManager.h"
#include "AliCDBStorage.h"

#include "AliEMCALCalibCoefs.h"
#include "AliEMCALDigit.h"
#include "AliEMCALRecPoint.h"

#include "AliEMCALPi0SelectionParam.h"

#include <cassert>

#include <TROOT.h>
#include <TStyle.h>
#include <TList.h>
#include <TH1.h>
#include <TF1.h>
#include <TFile.h>
#include <TCanvas.h>
#include <TClonesArray.h>
#include <TKey.h>
#include <TNtuple.h>
#include <TLegend.h>
#include <TLegendEntry.h>
#include <TLine.h>

  const TString AliEMCALFolder::fgkBaseFolderName("EMCAL");
  const TString AliEMCALFolder::fgkCCFirstName("CCFIRST");
  const TString AliEMCALFolder::fgkCCinName("CCIN");
  const TString AliEMCALFolder::fgkCCoutName("CCOUT");
  const TString AliEMCALFolder::fgkDirOfRootFiles("$HOME/ALICE/SHISHKEBAB/RF/CALIB/JUL16/");

typedef  AliEMCALHistoUtilities u;

ClassImp(AliEMCALFolder)

//AliEMCALGeometry* AliEMCALFolder::fGeometry = 0;

//_____________________________________________________________
AliEMCALFolder::AliEMCALFolder() : 
  TFolder(), 
  fCounter(0), fGeometry(0), fNumOfCell(0), fLhists(0), fLofCells(0),fPi0SelPar(0),fCalibData(0),
  fCellNtuple(0),fLobj(0)
{
  //default constructor
}

//_____________________________________________________________
AliEMCALFolder::AliEMCALFolder(const AliEMCALFolder& folder) : 
  TFolder(folder.GetName(),folder.GetTitle()), 
  fCounter(folder.fCounter), 
  fGeometry(folder.fGeometry), fNumOfCell(folder.fNumOfCell), 
  fLhists(folder.fLhists), fLofCells(folder.fLofCells),
  fPi0SelPar(folder.fPi0SelPar),fCalibData(folder.fCalibData),
  fCellNtuple(folder.fCellNtuple),fLobj(folder.fLobj)
{
  //copy constructor
}

//_____________________________________________________________
AliEMCALFolder::AliEMCALFolder(const char* name, const char* title, Bool_t putToBrowser) : 
  TFolder(name,title),
  fCounter(-1), fGeometry(0), fNumOfCell(0), fLhists(0), fLofCells(0),fPi0SelPar(0),fCalibData(0),
  fCellNtuple(0),fLobj(0)
{
  Init(putToBrowser);
}

//_____________________________________________________________
AliEMCALFolder::AliEMCALFolder(const Int_t it, const char* title, Bool_t putToBrowser) : 
  TFolder(Form("%s_%2.2i", AliEMCALFolder::fgkBaseFolderName.Data(),it),title),
  fCounter(it), fGeometry(0), fNumOfCell(0), fLhists(0), fLofCells(0),fPi0SelPar(0),fCalibData(0),
  fCellNtuple(0),fLobj(0)
{
  Init(putToBrowser);
}

//_____________________________________________________________
AliEMCALFolder::~AliEMCALFolder()
{
  // dtor
}

//_____________________________________________________________
void AliEMCALFolder::Init(Bool_t putToBrowser)
{
  // Initialize all data structure
  fLobj = new TList;
  fLobj->SetName("Objects"); // name is good ?
  this->Add((TObject*)fLobj);
  //this->AddObject((TObject*)fLobj, kTRUE);
  // Get default geometry - "SHISH_77_TRD1_2X2_FINAL_110DEG"; May 29, 2007
  fGeometry = AliEMCALGeometry::GetInstance(); // should be define before 
  fLobj->Add(fGeometry);

  // Initial cc with decalibration
  // Jun 13, 2007;
  // Jul 13 - See ~/macros/ALICE/sim.C  for choice of CDB
  AliEMCALCalibData *calData[1];
  // Get from defined arrea;
  // First table is table which used in rec.points finder.
  Add(AliEMCALCalibCoefs::GetCalibTableFromDb(fgkCCFirstName.Data(),calData));
  fCalibData = calData[0];
  fLobj->Add(fCalibData);
  if(GetIterationNumber()<=1) {
    Add(AliEMCALCalibCoefs::GetCalibTableFromDb(fgkCCinName.Data(), calData));
  }

  // Selection Parameter
  fPi0SelPar = AliEMCALPi0SelectionParam::Set1();
  this->Add(fPi0SelPar);
  //
  fLhists = BookHists();
  fLobj->Add(fLhists);

  // dimension should be get from geometry - 4*12*24*11); 
  fNumOfCell = fGeometry->GetNCells();
  fLofCells  = new AliEMCALCell*[fNumOfCell];
  for(int i=0; i<fNumOfCell; i++) fLofCells[i] = 0;

  printf("<I> Create AliEMCALFolder : it %i : name %s\n ", fCounter, GetName());

  if(putToBrowser) gROOT->GetListOfBrowsables()->Add(this); // for testing purpuse
} 

//_____________________________________________________________
AliEMCALSuperModule* AliEMCALFolder::GetSuperModule(const Int_t nm)
{
  // Oct 15, 2007
  AliEMCALSuperModule *sm = 0;

  TObject *set = FindObject(Form("SM%2.2i",nm));
  if(set) sm = (AliEMCALSuperModule*)set;

  return sm;
}

//_____________________________________________________________
AliEMCALCell* AliEMCALFolder::GetCell(const Int_t absId)
{ // May 30, 2007
  if(absId<0 || absId >= fNumOfCell) return 0;
  else return fLofCells[absId];
}  

//_____________________________________________________________
void  AliEMCALFolder::SetCell(AliEMCALCell *cell, const Int_t absId) 
{
  // Oct 15, 2007
  if(absId>=0 && absId < fNumOfCell) {
    fLofCells[absId] = cell;
  }
}  

//_____________________________________________________________
AliEMCALPi0SelectionParRec* AliEMCALFolder::GetPi0SelectionParRow(Int_t nrow)
{
  // Oct 15, 2007
  AliEMCALPi0SelectionParRec* r=0;
  if(fPi0SelPar) {
    r = fPi0SelPar->GetTable(nrow);
  }
  return r;
}

//_____________________________________________________________
void AliEMCALFolder::FillPi0Candidate(const Double_t mgg, AliESDCaloCluster* cl1, AliESDCaloCluster* cl2)
{
  // Oct 15, 2007
  static Int_t absIdMax, nm1, nm2;

  u::FillH1(fLhists, 0, 1.);  // number entries 
  u::FillH1(fLhists, 1, mgg);

  nm1 = GetSMNumber(cl1);
  nm2 = GetSMNumber(cl2);

  if(nm1==-1 || nm2==-1) assert(0);

  if(nm1 != nm2) return; // Both cluster should be in the same SM

  AliESDCaloCluster* cl = cl1;
  if(cl1->E() < cl2->E()) cl = cl2; // Get cluster with highest energy

  const Int_t  kNdigits  = cl->GetNumberOfDigits();
  const Short_t* absId   = cl->GetDigitIndex()->GetArray();

  AliEMCALCalibCoefs *tFirst = GetCCFirst();
  AliEMCALCalibCoef *rFirst=0;

  int    indMax = 0, id=0;
  id = Int_t(absId[0]);
  rFirst = tFirst->GetTable(id);
  double emax   = 0;//cl->GetTrueDigitEnergy(indMax, rFirst->fCc);
  if(kNdigits > 1) {
    for(int i=1; i<kNdigits; i++) {
      id = Int_t(absId[i]);
      rFirst = tFirst->GetTable(id);
      if(emax < 0){//cl->GetTrueDigitEnergy(i, rFirst->fCc)) {
        indMax = i;
        emax   = 0;//cl->GetTrueDigitEnergy(i, rFirst->fCc);
      }
    }
  }
  if(emax/cl->E() > 0.5) { // more than 50% of cluster energy
    u::FillH1(fLhists, 0, 2.); // number "good" entries 
    absIdMax = Int_t(absId[indMax]);
    FillPi0Candidate(mgg, absIdMax, nm1);
  }
}

//_____________________________________________________________
void AliEMCALFolder::FillPi0Candidate(const Double_t mgg, Int_t absIdMax, Int_t nm)
{
  // Jun 08
  static Int_t nSupModMax, nModuleMax, nIphiMax, nIetaMax, iphiCellMax, ietaCellMax;
  static AliEMCALCell* cell;
  static TFolder *set; 
  static AliEMCALSuperModule *sm;

  fGeometry->GetCellIndex(absIdMax, nSupModMax, nModuleMax, nIphiMax, nIetaMax);
  if(nm != nSupModMax) assert(0);

  fGeometry->GetCellPhiEtaIndexInSModule(nSupModMax, nModuleMax, nIphiMax, nIetaMax, iphiCellMax, ietaCellMax);

  cell = 0;
  set  = 0;
  sm   = 0;
  if(GetCell(absIdMax)==0) {
    cell = new AliEMCALCell(absIdMax, Form("sm%2.2i:phi%2.2i:eta%2.2i(%4.4i)",nSupModMax,iphiCellMax,ietaCellMax,absIdMax));
    SetCell(cell, absIdMax);
    // For browser
    set  = dynamic_cast<TFolder*>(FindObject(Form("SM%2.2i",nSupModMax)));
    if(set==0) {
      sm = new  AliEMCALSuperModule(nSupModMax);
      Add(sm);
      sm->SetParent(this);
      sm->Init();
    } else {
      sm = dynamic_cast<AliEMCALSuperModule*>(set);
    }
    if(sm) {
      sm->AddCellToEtaRow(cell, ietaCellMax);
      cell->SetParent(sm);
    }
    // 
    cell->SetCCfromCCTable(GetCCIn());
  } else {
    cell = GetCell(absIdMax);
    set  = dynamic_cast<TFolder*>(FindObject(Form("SM%2.2i",nm)));
    if(set) sm = (AliEMCALSuperModule*)set;
  }
  if(sm == 0) assert(0);
  if(nm != sm->GetSMNumber()) assert(0);

  u::FillH1(sm->GetHists(), 0, mgg);
  cell->FillEffMass(mgg);
}

//_____________________________________________________________
void AliEMCALFolder::FitAllSMs()
{ // Jun 14, 2007
  // Only first SM now - should be changed in the future 
   AliEMCALSuperModule *sm0 = GetSuperModule(0);
   sm0->FitForAllCells();
   // Get input calibration table
   AliEMCALCalibCoefs *ccIn = GetCCIn();
   if(ccIn == 0) {
     printf("<E> no input cc \n"); 
     return;
   }
   // New calibration table
   AliEMCALCalibCoefs *ccOut = new AliEMCALCalibCoefs(fgkCCoutName.Data(), ccIn->GetNRows());
   AliEMCALCalibCoef *rIn=0, rOut;
   for(Int_t i=0; i<ccIn->GetNRows(); i++){
     rIn  = ccIn->GetTable(i);
     rOut = (*rIn);
     AliEMCALCell* cell = GetCell(rIn->fAbsId);
     if(cell && cell->GetSupMod() == 0) { // only first module now
       rOut.fCc = cell->GetCcOut();
     }
     ccOut->AddAt(&rOut);
   }
   ccOut->Purge();
   Add(ccOut);
}

//_____________________________________________________________
AliEMCALCalibCoefs* AliEMCALFolder::GetCCTable(const char* name) const
{
  // Oct 15, 2007
  TObject *obj = FindObject(name);
  if(obj) return (AliEMCALCalibCoefs*)obj;
  else    return 0;
}

//_____________________________________________________________
Int_t AliEMCALFolder::GetSMNumber(AliESDCaloCluster* cl)
{
  // Oct 15, 2007
  static Int_t absId, nSupMod, nModule, nIphi, nIeta;
  nSupMod = -1; // if negative something wrong
  if(cl) {
    absId = Int_t(cl->GetDigitIndex()->At(0));
    fGeometry->GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
  }
  return nSupMod;
}

// Recalibration staf - Jun 18,2007
//_____________________________________________________________
AliEMCALRecPoint* AliEMCALFolder::GetRecPoint(AliESDCaloCluster *cl, AliEMCALCalibCoefs *tOld,AliEMCALCalibCoefs *tNew,
TList *l, Double_t deff, Double_t w0, Double_t phiSlope)
{
  //
  // Static function;
  // Get recalibrated rec.point from ESD cluster
  // If tNew == 0 -> get ideal calibration with  adcCHANNELEC
  //
  static Double_t adcCHANNELEC = 0.0153;  // Update 24 Apr 2007: 250./16/1024 - width of one ADC channel in GeV
  //static Float_t ECAW0 = 4.5; // hard coded now - see AliEMCALClusterizerv1::InitParameters()
  static Double_t eCAW0 = 5.5; // Beter case for simulation 
  Int_t ampDigi=0, indMax=-1;
  Double_t eDigiNew=0.0, eDigiMax=0.0; 
  static TArrayD ed;

  if(w0 > 0.5) eCAW0 = w0;
  AliEMCALRecPoint *rp=0;
  AliEMCALCalibCoef *rOld=0, *rNew=0;
  //   printf(" AliEMCALFolder::GetRecPoint() : RECALIBRATION : w0 %f eCAW0 %f \n", w0, eCAW0);
  if(cl && tOld){
    // cl->PrintClusterInfo(1);
    const Int_t kNdg   = cl->GetNumberOfDigits();
    //    const Int_t nkPrim = cl->GetNumberOfPrimaries();

    const Short_t  kPrim    = cl->GetLabel();
    const Short_t* dgAbsId = cl->GetDigitIndex()->GetArray();
    //    const UShort_t* dgAmp   = cl->GetDigitAmplitude(); // This is energy - bad definition

    rp = new AliEMCALRecPoint(""); // opt=""
    rp->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
    AliEMCALDigit* dg=0;
    TClonesArray digits("AliEMCALDigit", kNdg);
    Int_t absId = 0;
    ed.Set(kNdg); // resize array
    for(Int_t i=0; i<kNdg; i++){
      // Save just abs id and amplitude of digits which will be used for recalculation of
      // cluster energy and position
      absId   = Int_t(dgAbsId[i]);
      rOld    = tOld->GetTable(absId);
      //ampDigi = cl->GetTrueDigitAmplitude(i, rOld->fCc); // True amplitude

      new(digits[i]) AliEMCALDigit(Int_t(kPrim),0, absId, ampDigi, 0.0, i, 0.0); 
      dg     =  (AliEMCALDigit*)digits[i];

      if(tNew) rNew = tNew->GetTable(absId);
      if(rNew) {
        rNew  = tNew->GetTable(absId);
        eDigiNew = Double_t(ampDigi) * rNew->fCc;     // Recalibrate with new cc
      } else {
        eDigiNew = Double_t(ampDigi) * adcCHANNELEC; // Ideal calibration
      }
      //eDigiNew = Double_t(cl->GetTrueDigitEnergy(i)); // Copy from ESD for checking
      rp->AddDigit(*dg, Float_t(eDigiNew));
      ed[i] = eDigiNew;
      if(eDigiMax<eDigiNew) {
        eDigiMax = eDigiNew;
        indMax   = i;
      }
      u::FillH1(l, 14, eDigiNew);
      u::FillH1(l, 15, Double_t(absId));
      //printf("<I> digit %i amp %i rOld->fCc %6.5f GeV rNew->fCc %6.5f GeV\n", i, ampDigi, rOld->fCc, rNew->fCc);
    }
    //printf("<I> recalibration of digits was done ! \n");
    //    rp->EvalAll(eCAW0, &digits);
    if(indMax>=0) rp->SetIndMaxDigit(indMax);
    if(deff > 0.0) { // for fit
      rp->EvalLocalPositionFit(deff, eCAW0, phiSlope, &digits); // I need just position
    } else { // get w0 and deff from parametrisation - Sep 4, 2007 
      rp->EvalLocalPosition2(&digits, ed);
    }
    digits.Delete();
  }
  //rp->Print("print");
  return rp;
}

//_____________________________________________________________
void  AliEMCALFolder::Save(const char *fn, const char *opt)
{ 
  //
  // Jun 5, 2007; See TFileIter and StFMC.cxx
  // Jul 16 - added fgkDirOfRootFiles
  // Sep 7, 2007 - should be changed without TFileIter
  /*
  TString FN = fgkDirOfRootFiles;
  FN += fn;
  if(FN.Contains(".root")==0) FN += ".root";
  TFileIter f(FN.Data(),opt,"EMCAL object");
  UInt_t eventNum  = 0; // just one object
  UInt_t runNumber = 0; // 0 now, - may statistics on selector
  f.NextEventPut(this, eventNum, runNumber);
  printf(" Save %s to file %s\n", GetName(), FN.Data());
  */
  if(fn || opt);
}

//_____________________________________________________________
AliEMCALFolder* AliEMCALFolder::ReadFolder(const char *fn, const char *opt)
{ 
  //
  // Jun 27, 2007
  // Jul 16 - added fgkDirOfRootFiles
  //
  printf("<I> AliEMCALFolder::ReadFolder(%s,%s)\n",fn,opt); 
  AliEMCALFolder* emcal = 0;
  TH1::AddDirectory(0); // this is obligatory

  TString sfn = fgkDirOfRootFiles;
  sfn += fn;
  if(sfn.Contains(".root")==0) sfn += ".root";

  TFile f(sfn.Data(),opt);
  if(f.IsOpen()) {
    TList *l = f.GetListOfKeys();
    printf("<I> The total number of the objects: %d \n File %s\n", l->GetSize(), sfn.Data());

    TKey *key = (TKey*)l->At(0);
    emcal = (AliEMCALFolder*)key->ReadObj();
    f.Close();
    if(emcal) emcal->InitAfterRead();
  }
  return emcal;
}

//_____________________________________________________________
void  AliEMCALFolder::InitAfterRead()
{ 
  // Oct 15, 2007
  fLobj    = (TList*)FindObject("Objects");
  if(fLobj) {
    fLhists = (TList*)fLobj->FindObject("HistsOfEmcal");
  }
}

//_____________________________________________________________
void AliEMCALFolder::DrawQA(const int nsm)
{ 
  //
  // Jun 25, 2007
  //

  AliEMCALSuperModule* sm = GetSuperModule(nsm);
  if(sm==0) return;
  TList *l = sm-> GetHists();
  Int_t nx=2, ny=2, wh=530, ww=750;

  TCanvas *c = new TCanvas(Form("QA_%i",GetIterationNumber()), Form("QA_%i",GetIterationNumber()),
			   10, 10, ww, wh);
  c->Divide(nx,ny);

  int ic=1;
  c->cd(ic++);
  TH1 *h1 = (TH1*)l->At(0);
  sm->FitEffMassHist(); 
  u::DrawHist(h1,2);
  h1->SetAxisRange(0.03, 0.28);

  c->cd(ic++);
  sm->DrawCC(0);  
  TH1 *hccin = (TH1*)l->At(1);
  hccin->SetAxisRange(14., 20.);

  gStyle->SetOptStat(1111);
  c->cd(ic++);
  TH1 *hmass = (TH1*)l->At(3);
  u::DrawHist(hmass, 2);
  hmass->SetAxisRange(0.12, 0.16);

  c->cd(ic++);
  TH1 *hres = (TH1*)l->At(4);
  u::DrawHist(hres, 2);
  hres->SetAxisRange(0.05, 0.120);

  if(ic<nx*ny) {
    c->cd(ic++);
    u::DrawHist((TH1*)l->At(5), 2);

    c->cd(ic++);
    u::DrawHist((TH1*)l->At(6), 2);
  }
  c->Update();
}

//_____________________________________________________________
TList* AliEMCALFolder::BookHists()
{
  // Oct 15, 2007
  gROOT->cd();
  TH1::AddDirectory(1);  

  new TH1F("00_HStat", "hist of common EMCAL statistics", 100, 0.5, 100.5);
  new TH1F("01_EffMassAll", "effective mass of #gamma,#gamma(m_{#pi^{0}}=134.9766 MeV) - whole EMCAL", 250,0.0,0.5);

  TList *l = AliEMCALHistoUtilities::MoveHistsToList("HistsOfEmcal", kFALSE);

  TH1::AddDirectory(0);
  return l;
}

//_____________________________________________________________
void AliEMCALFolder::CreateCellNtuple()
{
  // Jun 28, 2007
  if(fCellNtuple) { // Already exist
    fCellNtuple->Print();
    return;
  }
  // Create ntuple
  Int_t bsize = int(1.e+5);
  fCellNtuple = new TNtuple("cells","Cells Ntuple for quick analysis",
			    "fAbsId:fSupMod:fModule:fPhi:fEta:fPhiCell:fEtaCell:fCcIn:fCcOut", bsize);
  AliEMCALCell *cell=0;
  // Fill ntuple
  AliEMCALSuperModule* sm = GetSuperModule(0);
  if(sm) printf(" TNtuple was created ! sm0 %s \n", sm->GetName());
  for(int eta=0; eta<48; eta++) { // eta row
    TFolder *setEta = dynamic_cast<TFolder*>(sm->FindObject(Form("ETA%2.2i",eta)));
    if(setEta) {
      printf(" ***** eta row %s ******\n", setEta->GetName());
      TList* l = (TList*)setEta->GetListOfFolders();
      for(int phi=0; phi<l->GetSize(); phi++) { // cycle on cells (phi directions)
        cell = (AliEMCALCell*)l->At(phi);
        if(cell) {
          cell->FillCellNtuple(fCellNtuple);
          //printf(" fill cell %s : %s \n", cell->GetName(), cell->GetTitle());
	}
      }
    }
  }
  fCellNtuple->Print();
  fLobj->Add(fCellNtuple); 
}

//_____________________________________________________________
void AliEMCALFolder::CreateAndFillAdditionalHists()
{
  // Oct 15, 2007
  CreateCellNtuple();
  TH1::AddDirectory(0);  
  fLhists->Add(new TH1F("02_CCoutOnEdge", "cc out on edge of calorimeter (in MeV)", 70, 12., 19.));
  fLhists->Add(new TH1F("03_CCoutInside", "cc out inside  of calorimeter (in MeV)", 70, 12., 19.));
  fLhists->Add(new TH1F("04_CCoutOnEdge2", "cc out on edge of calorimeter(2) (in MeV)", 70, 12., 19.));
  // Fill
  Float_t* args;
  for(Int_t i=0; i<(Int_t)fCellNtuple->GetEntries(); i++){
    fCellNtuple->GetEvent(i);
    args = fCellNtuple->GetArgs();
    Int_t phi = (Int_t)args[5];
    Int_t eta = (Int_t)args[6];
    Double_t cc = (Double_t)args[8]*1000.;
    if     ((phi==0||phi==23) || (eta==0||eta==47)) u::FillH1(fLhists, 2, cc);
    else if((phi==1||phi==22) || (eta==1||eta==46)) u::FillH1(fLhists, 4, cc); // next to edge
    else                                            u::FillH1(fLhists, 3, cc);
  }
  // Drawing
  Int_t wh=530, ww=750;
  TCanvas *c = new TCanvas("c_edge","CEDGE", 10, 10, ww, wh);

  gStyle->SetOptStat(1100);
  gStyle->SetOptFit(111);
  TH1 *h1 = (TH1*)fLhists->At(3);
  TF1 *g = u::Gausi("ccInside", 14.7, 16.4, h1);
  g->SetLineColor(kRed);
  h1->Fit(g,"Q+","", 14.7, 16.4);
  u::DrawHist(h1,2);
  h1->SetTitle("CC distribution after #pi^{0} calibration");
  h1->SetXTitle("  MeV  ");
  h1->SetYTitle("  N  ");
  //  TLatex *lat1 = u::Lat(Form("rel.width = %4.2f%%", 
  //100.*h1->GetRMS()/ h1->GetMean()), 16.5, 100., 12, 0.045);
  //TLatex *lat2 = u::Lat(Form("rel.width = %4.2f%% (from fit)", 
  //		     100.*g->GetParameter(2)/ g->GetParameter(1)), 16.5, 70., 12, 0.045);

  if(0) {
    TH1 *h2 = (TH1*)fLhists->At(2);
    u::DrawHist(h2,2,1,"same",2);
  }

  TH1F *hccFirst = AliEMCALCalibCoefs::GetHistOfCalibTableFromDb("ccTmp");
  u::DrawHist(hccFirst,2,1,"same",3);

  
  // Ideal calibration - Jul 18, 2007
  Double_t adcCHANNELEC = 0.0153, ccIdeal =  adcCHANNELEC*1.e+3;
  Double_t ym = h1->GetMaximum();
  TLine *l = new TLine(ccIdeal,-ym*0.05, ccIdeal,ym*1.05);
  l->SetLineColor(kBlue);
  l->Draw(); 

  TLegend *leg = new TLegend(0.1,0.6, 0.45,0.85);
  leg->AddEntry(hccFirst, "Initial cc ", "L");
  leg->AddEntry(h1, "Final cc", "L");
  TLegendEntry *le=0;
  if(l) {
    le  = leg->AddEntry(l, "Ideal calibration", "L");
    le->SetTextColor(l->GetLineColor());
  }

  TH1 *hCcEdge  = (TH1*)fLhists->At(2);
  TH1 *hCcEdge2 = (TH1*)fLhists->At(4);
  if(1) {
    u::DrawHist(hCcEdge,2,kGreen,"same",1);
    le = leg->AddEntry(hCcEdge , "Edge cell", "L");
    le->SetTextColor(hCcEdge->GetLineColor());

    u::DrawHist(hCcEdge2,2, 28,"same",1); // 28 - like brown
    le = leg->AddEntry(hCcEdge2 , "Edge cell (2)", "L");
    le->SetTextColor(hCcEdge2->GetLineColor());
    u::DrawHist(h1,2,1,"same");
  }

  leg->Draw();

  c->Update();
}

//_____________________________________________________________
void AliEMCALFolder::TestSMStruct()
{
  // testing May 22, 2007
  for(int m=0; m<12; m++) {
    AliEMCALSuperModule *sm = new AliEMCALSuperModule(m);
    Add(sm);
    sm->SetParent(this);
  }
}