/// \file
/// \ingroup tutorial_hist
/// \notebook -js
/// Illustrate use of the TH1::GetCumulative method.
///
/// \macro_image
/// \macro_code
///
/// \author M. Schiller

#include <cassert>
#include <cmath>
#include <vector>

#include "TH1.h"
#include "TTree.h"
#include "TNtuple.h"
#include "TH1D.h"
#include "TCanvas.h"
#include "TRandom.h"

#include <TGraph.h>
#include <TF1.h>
#include <TMath.h>
#include <TStyle.h>

#include <iostream>
#include <fstream>
#include <string>


void ants()
{  

TCanvas* c = new TCanvas();                                                                                                                                                                           

Int_t i=0;
Int_t nlines = 0;
Float_t x,y,z,a,b;
ifstream inp;


//------------------------------------------ Read -------------------------------------------------- 
auto M = new TMultiGraph();

TTree *t1 = new TTree("ntuple", "loss accounts");
t1->ReadFile("8000_loss_history_0.06.txt", "x/F:y:z");
// t->Print();
t1->Draw("y:x"); // 2D

TGraph *g = ((TGraph*)(gPad->GetPrimitive("Graph"))); // 2D
if (g) {
g = new TGraph(*g); // "disconnect" from the drawn graph
// g->Print();
M->Add(g);
}

TTree *t2 = new TTree("ntuple", "loss accounts");
t2->ReadFile("Ref_loss_history_0.06.txt", "x/F:y:z");
// t->Print();
t2->Draw("y:x"); // 2D


*g = ((TGraph*)(gPad->GetPrimitive("Graph"))); // 2D
if (g) {
g = new TGraph(*g); // "disconnect" from the drawn graph
// g->Print();
M->Add(g);
}
}

M->Draw("AL");