{
// Read reference data in dolan.txt
FILE * fg1=fopen("dolan.txt", "r");
Int_t n_points_dolan = 8;
Float_t x1[n_points_dolan], y1[n_points_dolan];
Float_t x, y;
Int_t ncols_dolan;
Int_t nlines1 = 0;

while(1)
{
	ncols_dolan = fscanf(fg1, "%f %f", &x, &y);
	if (ncols_dolan<0) break;
	x1[nlines1]= x;
	y1[nlines1] = y;
	nlines1++;
}

fclose(fg1);

FILE *fg2=fopen("geant4_dose_Oncura_livermore.txt", "r");
Int_t n_points_geant4 = 398;
Float_t x2[n_points_geant4], y2[n_points_geant4], ratio_liv[n_points_dolan];
Int_t ncols_geant4;
Int_t nlines2 = 0;

while(1)
{
	ncols_geant4 = fscanf(fg2, "%f %f", &x, &y);
	if (ncols_geant4<0) break;
	x2[nlines2] = x;
	y2[nlines2] = y;
   
 for (int i=0; i<n_points_dolan; i++)
   {
   if (x1[i]==x2[nlines2])
   { 
   ratio_liv[i]= y2[nlines2]/y1[i];
  // std::cout << "dolan: " <<  x1[i] << "," << y1[i] 
   //          << ", livermore: "<< x2[nlines2] << "," << y2[nlines2]
   //          << " ratio:" << ratio_liv[i] << std::endl;
  }
  }
	nlines2++;
}

fclose(fg2);

FILE *fg3=fopen("geant4_dose_Oncura_penelope.txt", "r");
Float_t x3[n_points_geant4], y3[n_points_geant4], ratio_pen[n_points_dolan];
Int_t ncols_geant4_penelope;
Int_t nlines3 =0;

while(1)
 {
  ncols_geant4_penelope = fscanf(fg3,"%f %f",&x, &y);
  if (ncols_geant4_penelope<0) break;
 // std::cout << "x " << x << std::endl;
  x3[nlines3]=x;
  y3[nlines3]=y;
 
  for (int i=0; i<n_points_dolan; i++)
   {
   if (x1[i]==x3[nlines3])
   { 
   ratio_pen[i]= y3[nlines3]/y1[i];
 //  std::cout << "dolan: " <<  x1[i] << "," << y1[i] 
  //           << ", penelope: "<< x3[nlines3] << "," << y3[nlines3]
   //          << " ratio:" << ratio_pen[i] << std::endl;
  }
  }

  nlines3++;
}

fclose(fg3);

FILE *fg4=fopen("geant4_dose_Oncura_opt0.txt", "r");
Float_t x4[n_points_geant4], y4[n_points_geant4], ratio_opt0[n_points_dolan];
Int_t ncols_geant4_opt0;
Int_t nlines4 =0;

while(1)
 {
  ncols_geant4_opt0 = fscanf(fg4,"%f %f",&x, &y);
  if (ncols_geant4_opt0<0) break;
 // std::cout << "x " << x << std::endl;
  x4[nlines4]=x;
  y4[nlines4]=y;
   for (int i=0; i<n_points_dolan; i++)
   {
   if (x1[i]==x4[nlines4])
   { 
   ratio_opt0[i]= y4[nlines4]/y1[i];
  // std::cout << "dolan: " <<  x1[i] << "," << y1[i] 
   //          << ", opt0: "<< x4[nlines4] << "," << y4[nlines4]
    //         << " ratio:" << ratio_opt0[i] << std::endl;
  }
  }

  nlines4++;
}

fclose(fg4);

FILE *fg5=fopen("geant4_dose_Oncura_opt3.txt", "r");
Float_t x5[n_points_geant4], y5[n_points_geant4], ratio_opt3[n_points_dolan];
Int_t ncols_geant4_opt3;
Int_t nlines5 =0;

while(1)
 {
  ncols_geant4_opt3 = fscanf(fg5,"%f %f",&x, &y);
  if (ncols_geant4_opt3<0) break;
 // std::cout << "x " << x << std::endl;
  x5[nlines5]=x;
  y5[nlines5]=y;

 for (int i=0; i<n_points_dolan; i++)
   {
   if (x1[i]==x5[nlines5])
   { 
   ratio_opt3[i]= y5[nlines5]/y1[i];
   std::cout << "dolan: " <<  x1[i] << "," << y1[i] 
             << ", opt3: "<< x5[nlines5] << "," << y5[nlines5]
            << " ratio:" << ratio_opt3[i] << std::endl;
  }
  }
  nlines5++;
}

fclose(fg5);

FILE *fg6=fopen("geant4_dose_Oncura_opt4.txt", "r");
Float_t x6[n_points_geant4], y6[n_points_geant4], ratio_opt4[n_points_dolan];
Int_t ncols_geant4_opt4;
Int_t nlines6 =0;

while(1)
 {
  ncols_geant4_opt4 = fscanf(fg6,"%f %f",&x, &y);
  if (ncols_geant4_opt4<0) break;
 // std::cout << "x " << x << std::endl;
  x6[nlines6]=x;
  y6[nlines6]=y;
 
 for (int i=0; i<n_points_dolan; i++)
   {
   if (x1[i]==x6[nlines6])
   { 
   ratio_opt4[i]= y6[nlines6]/y1[i];
 //  std::cout << "dolan: " <<  x1[i] << "," << y1[i] 
 //            << ", opt4: "<< x6[nlines6] << "," << y6[nlines6]
 //           << " ratio:" << ratio_opt4[i] << std::endl;
  }
  }
  nlines6++;
}

fclose(fg6);

TGraph *gr1 = new TGraph (nlines1, x1, y1);
TGraph *gr2 = new TGraph (nlines2, x2, y2);
TGraph *gr3 = new TGraph (nlines3, x3, y3);
TGraph *gr4 = new TGraph (nlines4, x4, y4);
TGraph *gr5 = new TGraph (nlines5, x5, y5);
TGraph *gr6 = new TGraph (nlines6, x6, y6);
std::cout<< "Livermore" << std::endl;

for (Int_t j=0; j < nlines1; j++)
{
 std::cout << x1[j] << ", " << ratio_liv[j] << std::endl;
} 
std::cout<< "penelope" << std::endl;
for (Int_t j=0; j < nlines1; j++)
 {
 std::cout << x1[j] << ", " << ratio_pen[j] << std::endl;
} 

std::cout<< "opt0" << std::endl;
for (Int_t j=0; j < nlines1; j++)
 {
 std::cout << x1[j] << ", " << ratio_opt0[j] << std::endl;
} 

std::cout<< "opt3" << std::endl;
for (Int_t j=0; j < nlines1; j++)
 {
 std::cout << x1[j] << ", " << ratio_opt3[j] << std::endl;
} 
std::cout<< "opt4" << std::endl;
for (Int_t j=0; j < nlines1; j++)
 {
 std::cout << x1[j] << ", " << ratio_opt4[j] << std::endl;
} 

TCanvas *c1 = new TCanvas("c1", "Graph Draw Options", 200, 10, 600, 400);

gPad->SetLogy();

// Draw the graph with axis, continuous line, and put a '*' at each point

gr1->SetTitle("Dose rate distribution");
gr1->GetXaxis()->SetTitle("Distance from the centre (cm)");
gr1->GetYaxis()->SetTitle("Normalised dose rate distribution");
gr1->SetLineWidth(1);
gr1->SetMarkerColor(1);
gr1->SetMarkerStyle(20);
gr1->Draw("AP");

gr2->SetLineWidth(1);
gr2->SetMarkerColor(2);
gr2->SetMarkerStyle(21);
gr2->SetMarkerSize(0.5);
gr2->SetLineColor(2);
gr2->Draw("CP");

gr3->SetLineWidth(0.3);
gr3->SetMarkerColor(3);
gr3->SetMarkerStyle(21);
gr3->SetMarkerSize(0.2);
gr3->SetLineColor(3);
gr3->Draw("CP");

gr4->SetLineWidth(0.3);
gr4->SetMarkerColor(4);
gr4->SetMarkerStyle(21);
gr4->SetMarkerSize(0.2);
gr4->SetLineColor(4);
gr4->Draw("CP");

gr5->SetLineWidth(0.3);
gr5->SetMarkerColor(6);
gr5->SetMarkerStyle(21);
gr5->SetMarkerSize(0.2);
gr5->SetLineColor(6);
gr5->Draw("CP");

gr6->SetLineWidth(0.3);
gr6->SetMarkerColor(8);
gr6->SetMarkerStyle(21);
gr6->SetMarkerSize(0.2);
gr6->SetLineColor(8);
gr6->Draw("CP");

TLegend *leg = new TLegend(0.3, 0.5, 0.6, 0.8);
leg->SetFillColor(0);
leg->AddEntry(gr1, "Reference data", "lp");
leg->AddEntry(gr2, "Geant4 - Oncura - Livermore", "lp");
leg->AddEntry(gr3, "Geant4 - Penelope", "lp");
leg->AddEntry(gr4, "Geant4 - Standard opt0", "lp");
leg->AddEntry(gr5, "Geant4 - Standard opt3", "lp");
leg->AddEntry(gr6, "Geant4 - Standard opt4", "lp");
leg->Draw();

}