#include "TCanvas.h"
#include "TPad.h"
#include "TMultiGraph.h"
#include "TGraph.h"
#include "TGraphAsymmErrors.h"
#include "TGraphErrors.h"
#include "TAxis.h"
#include "TLegend.h"
#include "TLatex.h"
#include "TROOT.h"
#include "TPaveStats.h"
#include "TStyle.h"
#include "TGaxis.h"
#include <cstdlib> 

void emitarnum() {
	gStyle->SetOptFit(0); //no print stat
	//gStyle->SetOptFit();
   const char *dataBe = "Emittance_numb_target_Be.txt";
   const char *dataC = "Emittance_numb_target_C.txt";
   const char *dataout = "simulazione/Emittance_numb_target.png";
   TCanvas *c01 = new TCanvas("c01","multigraph",1280,1024);
   c01->SetBottomMargin(0.4134134);
   //c01->SetLogy();
	gStyle->SetOptStat(111110);
	auto mg = new TMultiGraph();
   float offx=1.3;
   float offy=1.3;
   float margr=0.08;
   float w=3;
   float margl=0.12;
   float line=2;
   gPad->SetLeftMargin(margl);
   gPad->SetRightMargin(margr);
   TGraphErrors *graph1 = new TGraphErrors(dataBe,"%lg %lg %lg %lg");
   TGraphErrors *graph2 = new TGraphErrors(dataC,"%lg %lg %lg %lg");

   printf("%d %d \n",graph1->GetN(),graph2->GetN());
   graph1->SetMarkerColor(kBlue);
   graph1->SetLineColor(kBlue);
   graph1->SetMarkerStyle(5);
   graph1->SetMarkerSize(6);
   graph1->SetLineWidth(line);
   //graph1->SetLineStyle(8);
   mg->Add(graph1);

   graph2->SetMarkerColor(kGreen);
   graph2->SetLineColor(kGreen);
   graph2->SetMarkerStyle(5);
   graph2->SetMarkerSize(6);
   graph2->SetLineWidth(line);
   //graph2->SetLineStyle(8);
   mg->Add(graph2);
   

   mg->SetTitle("");
   mg->GetXaxis()->SetTitle("Number of targets");
   mg->GetYaxis()->SetTitle("#epsilon_{RMS} (nm*rad)");
   mg->GetYaxis()->SetTitleOffset(offy);
   mg->GetXaxis()->SetTitleOffset(offx);
   mg->GetYaxis()->SetTitleSize(40);
   mg->GetYaxis()->SetTitleFont(43);
   mg->GetYaxis()->SetLabelFont(43);
   mg->GetYaxis()->SetLabelSize(40);
   mg->GetXaxis()->SetTitleSize(40);
   mg->GetXaxis()->SetTitleFont(43);
   mg->GetXaxis()->SetLabelFont(43);
   mg->GetXaxis()->SetLabelSize(40);
   mg->GetXaxis()->SetNdivisions(6); //
   //mg->SetMinimum(1.e-10);
   //mg->SetMaximum(1.5e-5);
   mg->Draw("AP");

   TLegend* leg = new TLegend(0.2, 0.78, .3, .88);
   leg->SetHeader("Legend");
   leg->SetNColumns(1);
   leg->AddEntry(graph1, "Beryllium", "ap");
   leg->AddEntry(graph2, "Carbon", "ap");
   //leg->Draw();
    c01->Update();
    
TGaxis *axis = new TGaxis(2, 1, 5, 1,26,95,69);
   axis->SetLineColor(kRed);
   axis->SetLabelColor(kRed);
   axis->SetLabelOffset(0.015);
   axis->SetNdivisions(6); //
   axis->SetTitle("Be slices+vacuum (mm)");
   axis->SetTitleSize(40);
   axis->SetTitleFont(43);
   axis->SetLabelFont(43);
   axis->SetLabelSize(40);
   axis->SetNdivisions(6); //
   axis->Draw();

   TGaxis *axis2 = new TGaxis(2, -1, 5, -1 ,22,85,63);
   axis2->SetLineColor(kBlue);
   axis2->SetLabelColor(kBlue);
   axis2->SetLabelOffset(0.015);
   axis2->SetNdivisions(6); //
   axis2->SetTitle("C slices+vacuum (mm)");
   axis2->SetTitleSize(40);
   axis2->SetTitleFont(43);
   axis2->SetLabelFont(43);
   axis2->SetLabelSize(40);
   axis2->SetNdivisions(6); //
   axis2->Draw();
    
   c01->Print(dataout);
   
}