/*Emacs: -*- C++ -*- */
/************************************************
 * ptdrHistogramStyleAscii.C:
 ************************************************/
/* 
  CVS info: $Header$
  Tag     : $Name$
  Modified: $Date$
*/


// Standard C++ and STL includes

// Local project includes
#include "ptdrHistogramStyleAscii.h"
#include <fstream>
#include "TString.h"

ClassImp(TPTDRHistogramStyleAscii);

TH1F* 
TPTDRHistogramStyleAscii::AddHistogram(TString variableName, TString fileName, 
                                       TString lName, Int_t nBins, Double_t min,
                                       Double_t max, Double_t weight,
                                       Int_t variableIndex)
{
  ifstream ifs(fileName);
  Double_t variable;
  TH1F* hist = new TH1F(variableName, variableName, nBins, min, max);//bins,min,max
  if(min==0 && max==0) hist->SetBit(TH1::kCanRebin);
  vector<double> variables;

  Double_t btag1,btag2,ptj1,ptj2,m12,eta2,mtop,pttop,sigmat,ht,mtb;

  while(ifs >> btag1 >> btag2 >> ptj1 >> ptj2 >> m12 >> eta2 >> mtop >> pttop
        >> sigmat >> ht >> mtb){

    variables.push_back(btag1);
    variables.push_back(btag2);
    variables.push_back(ptj1);
    variables.push_back(ptj2);
    variables.push_back(m12);
    variables.push_back(eta2);
    variables.push_back(mtop);
    variables.push_back(pttop);
    variables.push_back(sigmat);
    variables.push_back(ht);
    variables.push_back(mtb);

    variable=variables[variableIndex];

    hist->Fill(variable);
    if(variable>max) max=variable;
    if(variable<min) min=variable;

    variables.clear();
  }

  hist->SetFillStyle(hatchStyles[nHists]);
  if(colored){
    hist->SetFillColor(nHists+101);
    hist->SetFillStyle(1001);
  }
  else
    hist->SetFillColor(1);
  hist->Scale(weight);
  hist->GetXaxis()->SetTitle("GeV/c");
  hist->SetDirectory(0);//avoid removing the histograms from the memory
  THStack::Add(hist);
  legendNames.push_back(lName);
  nHists++;
  return hist;
}



#if 0
/* ****************************** LOG MESSAGES ****************************** */
/*
  - $Log$
*/
/* **************************** END LOG MESSAGES **************************** */
#endif