compare.C
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1 {
2 // Read reference data in granero.txt
3 FILE *fg1=fopen("granero.txt", "r");
4 Int_t n_points_granero =13;
6 Float_t x, y;
8 Int_t nlines1 =0;
9 
10 while(1)
11  {
12  ncols_granero = fscanf(fg1,"%f %f",&x, &y);
13  if (ncols_granero<0) break;
14  // std::cout << "x " << x << std::endl;
15  x1[nlines1]=x;
16  y1[nlines1]=y;
17  nlines1++;
18 }
19 
20 fclose(fg1);
21 
22 // Read the results of the brachytherapy advanced example
23 // FlexiSorceMacro.mac with 280 M events
24 FILE *fg2=fopen("geant4.txt", "r");
25 Int_t n_points_geant4 =398;
28 Int_t nlines2 =0;
29 
30 while(1)
31  {
32  ncols_geant4 = fscanf(fg2,"%f %f",&x, &y);
33  if (ncols_geant4<0) break;
34  // std::cout << "x " << x << std::endl;
35  x2[nlines2]=x;
36  y2[nlines2]=y;
37  nlines2++;
38 }
39 
40 fclose(fg2);
41 
42 TGraph *gr1 = new TGraph (nlines1, x1, y1);
43 TGraph *gr2 = new TGraph (nlines2, x2, y2);
44 
45 TCanvas *c1 = new TCanvas("c1","Graph Draw Options",
46  200,10,600,400);
47 
48 gPad->SetLogy();
49 
50 // draw the graph with axis, continuous line, and put
51 // a * at each point
52 gr1->SetTitle("Dose rate distribution");
53 gr1-> GetXaxis()->SetTitle("Distance from the centre (cm)");
54 gr1->GetYaxis()->SetTitle("Normalised dose rate distribution");
55 gr1->SetLineWidth(1);
56 gr1->SetMarkerColor(1);
57 gr1->SetMarkerStyle(20);
58 gr1->Draw("AP");
59 
60 gr2->SetLineWidth(1);
61 gr2->SetMarkerColor(2);
62 gr2->SetMarkerStyle(21);
63 gr2->SetMarkerSize(0.5);
64 gr2->SetLineColor(2);
65 gr2->Draw("CP");
66 
67 TLegend *leg = new TLegend(0.3, 0.5, 0.6, 0.8);
68 leg->SetFillColor(0);
69 leg->AddEntry(gr1, "Reference data", "lp");
70 leg->AddEntry(gr2, "Geant4 - 280 M events", "lp");
71 leg->Draw();
72 
73 
74 }
Float_t x
Definition: compare.C:6
FILE * fg2
Definition: compare.C:24
Float_t y1[n_points_granero]
Definition: compare.C:5
Float_t x1[n_points_granero]
Definition: compare.C:5
Float_t y
Definition: compare.C:6
Int_t nlines2
Definition: compare.C:28
TLegend * leg
Definition: compare.C:67
Int_t ncols_geant4
Definition: compare.C:27
TGraph * gr1
Definition: compare.C:42
Float_t y2[n_points_geant4]
Definition: compare.C:26
TGraph * gr2
Definition: compare.C:43
Int_t nlines1
Definition: compare.C:8
fclose(fg1)
Int_t n_points_geant4
Definition: compare.C:25
TCanvas * c1
Definition: compare.C:45
Int_t n_points_granero
Definition: compare.C:4
Int_t ncols_granero
Definition: compare.C:7
gr1 GetXaxis() -> SetTitle("Distance from the centre (cm)")
Float_t x2[n_points_geant4]
Definition: compare.C:26