CorrelatedSpaceTree2D.cpp

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/***************************************************************************
 *   Copyright (C) 2004-2006 by Olivier Stezowski & Christian Finck        *
 *   stezow(AT)ipnl.in2p3.fr, cfinck(AT)ires.in2p3.fr                      *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef Gw_CorrelatedSpaceTree2D
#include "CorrelatedSpaceTree2D.h"
#endif

#ifndef ROOT_TFile
#include "TFile.h"
#endif

#ifndef ROOT_TH2
#include "TH2.h"
#endif

#ifndef ROOT_TRandom
#include "TRandom.h"
#endif

#ifndef ROOT_TTree
#include "TTree.h"
#endif

using namespace Gw;

//
ClassImp(CorrelatedSpaceTree2D)

//__________________________________________________________
CorrelatedSpaceTree2D::CorrelatedSpaceTree2D() 
  : CorrelatedSpaceTree2(),
        fCounts(0)
{ 
  // default constructor
  fLog.GetProcessName() = "CorrelatedSpaceTree2D";
}

//__________________________________________________________
CorrelatedSpaceTree2D::~CorrelatedSpaceTree2D()
{
  // default destructor
}

//__________________________________________________________
void CorrelatedSpaceTree2D::SetBranch()
{
  fTree->Branch(fBranchName.Data(), &fCounts, "fCounts/D");
}

//__________________________________________________________
TBranch* CorrelatedSpaceTree2D::SetAddress()
{
  fLog.SetProcessMethod("SetAddress()");

  TBranch* b = fTree->GetBranch(fBranchName.Data());
  if (b == 0x0) {
        fLog << warning << "Branch not find in tree" << dolog;
        return 0x0;
  }
  
  b->SetAddress(&fCounts);
  
  return b;
}

//__________________________________________________________
void CorrelatedSpaceTree2D::SetCounts(Double_t weight)
{
  fCounts = weight;
}

//__________________________________________________________
void CorrelatedSpaceTree2D::FillCounts(Int_t i, Int_t j, TH2* h2)
{
  fCounts = h2->GetBinContent(h2->GetBin(i,j));
  GetHistoTot("x")->Fill(j, fCounts);
}

//__________________________________________________________
void CorrelatedSpaceTree2D::FillCounts(Int_t i, Int_t j, Int_t dimX, const Double_t* Xn, const Double_t weight) 
{
  fCounts = Xn[i*dimX + j]*weight;
  GetHistoTot("x")->Fill(j, fCounts);
}

//__________________________________________________________
void CorrelatedSpaceTree2D::FillCounts(Int_t j)
{
  fCounts = gRandom->Uniform(0, 10);
  GetHistoTot("x")->Fill(j, fCounts);
}

//__________________________________________________________
void CorrelatedSpaceTree2D::FillHisto(Int_t j, TH1* h1)
{
  h1->Fill(j, fCounts); 
}

//__________________________________________________________
void CorrelatedSpaceTree2D::CheckH2InTree(TH2* h2)
{
        
  if (fStatus == kDefined) {
        
        Int_t dimX = GetHistoTot("x")->GetNbinsX();
        Int_t dimY = GetHistoTot("y")->GetNbinsX();
        
        if (fTree->GetEntries() == dimX*dimY) {
          
          for (Int_t i = 0; i < dimX; ++i) {
                for (Int_t j = 0; j < dimY; ++j) {
                  fTree->GetEntry(i*dimX + j);
                  Double_t tmp = h2->GetBinContent(h2->GetBin(i,j));
                  h2->SetBinContent(h2->GetBin(i,j), tmp+fCounts);
                }       
          }
          
          DeleteTree();
          GetHistoTot("x")->Reset("ICE");
        }
  }
}