| Geant4 Cross Reference |
1 { 1 {
2 gROOT->Reset(); 2 gROOT->Reset();
3 3
4 // Draw histograms fill by Geant4 TestEm5 s 4 // Draw histograms fill by Geant4 TestEm5 simulation
5 TFile f1("./opt3.root"); << 5 TFile f1("./ref10.opt0.root");
6 TH1D* h1 = (TH1D*) f1.Get("10"); 6 TH1D* h1 = (TH1D*) f1.Get("10");
7 h1->SetTitle("1 TeV muon in 3 m iron : kine 7 h1->SetTitle("1 TeV muon in 3 m iron : kinetic energy at exit (GeV)");
8 h1->GetXaxis()->SetTitle("Ekine (GeV)"); 8 h1->GetXaxis()->SetTitle("Ekine (GeV)");
9 h1->GetYaxis()->SetTitle("nb/GeV"); 9 h1->GetYaxis()->SetTitle("nb/GeV");
10 h1->SetStats(kFALSE); // Eliminate statist 10 h1->SetStats(kFALSE); // Eliminate statistics box
11 h1->SetLineColor(kBlue); << 11 h1->SetLineColor(1); //black
12 h1->Draw("HIST"); 12 h1->Draw("HIST");
13 /* << 13
14 TFile f2("./local.root"); << 14 TFile f2("./ref10.opt2.root");
15 TH1D* h2 = (TH1D*) f2.Get("10"); 15 TH1D* h2 = (TH1D*) f2.Get("10");
16 h2->SetStats(kFALSE); // Eliminate statist 16 h2->SetStats(kFALSE); // Eliminate statistics box
17 h2->SetLineColor(kRed); << 17 h2->SetLineColor(4); //blue
18 h2->Draw("SAME HIST"); << 18 h2->Draw("SAME HIST");
19 */ <<
20 /* 19 /*
21 * muon 1 TeV/c in 3 m Iron 20 * muon 1 TeV/c in 3 m Iron
22 * Particle Data Group. Physics Letters B 592 ( 21 * Particle Data Group. Physics Letters B 592 (2004) page 251
23 * distribution of the muon kinetic energy 22 * distribution of the muon kinetic energy
24 * (from 950 GeV to 1000 GeV by bin of 0.5 GeV 23 * (from 950 GeV to 1000 GeV by bin of 0.5 GeV --> 100 bins)
25 */ 24 */
26 25
27 ifstream in; 26 ifstream in;
28 in.open("mars14.ascii"); 27 in.open("mars14.ascii");
29 28
30 // Create a new histogram with mars14.acsii 29 // Create a new histogram with mars14.acsii values
31 int nb_bins = 100; 30 int nb_bins = 100;
32 float x_min = 950.; 31 float x_min = 950.;
33 float x_max = 1000.; 32 float x_max = 1000.;
34 TH1F* h1f = new TH1F("h1f","",nb_bins,x_min 33 TH1F* h1f = new TH1F("h1f","",nb_bins,x_min,x_max);
35 34
36 Float_t x, y; 35 Float_t x, y;
37 while (1) { 36 while (1) {
38 in >> x >> y ; 37 in >> x >> y ;
39 if (!in.good()) break; 38 if (!in.good()) break;
40 h1f->Fill(x,y); 39 h1f->Fill(x,y);
41 } 40 }
42 in.close(); 41 in.close();
43 42
44 // Draw histogram fill by mars14.acsii valu 43 // Draw histogram fill by mars14.acsii values
45 h1f->SetLineColor(kRed); << 44 h1f->SetLineColor(2); //red
46 h1f->Draw("SAME"); 45 h1f->Draw("SAME");
47 46
48 // Print the histograms legend 47 // Print the histograms legend
49 TLegend* legend = new TLegend(0.2,0.55,0.45 48 TLegend* legend = new TLegend(0.2,0.55,0.45,0.70);
50 legend->AddEntry(h1,"local (Urban90)","l"); << 49 legend->AddEntry(h1,"ref10-opt0","l");
51 //legend->AddEntry(h2,"local (msc90)","l"); << 50 legend->AddEntry(h2,"ref10-opt2","l");
52 legend->AddEntry(h1f,"Mars14 simul ","L"); 51 legend->AddEntry(h1f,"Mars14 simul ","L");
53 legend->Draw(); 52 legend->Draw();
54 53
55 54
56 } 55 }
57 56