6 TFile
f1(
"./19um.opt0.root");
7 TH1D*
h1 = (TH1D*)
f1.Get(
"12");
8 h1->SetTitle(
"Angular distribution of 15.7 MeV e- after 19um Au foil");
10 h1->GetXaxis()->SetTitle(
"theta (deg)");
11 h1->GetYaxis()->SetTitle(
"dN/dOmega");
13 h1->SetLineColor(kBlack);
16 TFile
f2(
"./19um.opt3.root");
17 TH1D*
h2 = (TH1D*)
f2.Get(
"12");
19 h2->SetLineColor(kBlue);
20 h2->Draw(
"SAME HIST");
22 TFile
f3(
"./19um.local.root");
23 TH1D*
h3 = (TH1D*)
f3.Get(
"12");
25 h3->SetLineColor(kGreen);
26 h3->Draw(
"SAME HIST");
35 in.open(
"./19um.ascii");
43 for (
int i = 0 ; i <
nbdata ; i++ ) {
45 if (!in.good())
break;
46 pt =
new TMarker(x,y,22);
47 pt->SetMarkerColor(kRed);
53 TLegend*
legend =
new TLegend(0.6,0.5,0.8,0.68);
54 legend->AddEntry(h1,
"opt0 ",
"l");
55 legend->AddEntry(h2,
"opt3 ",
"l");
56 legend->AddEntry(h3,
"local",
"l");
57 legend->AddEntry(pt,
"Hanson data",
"P");
TFile f3("./19um.local.root")
TFile f2("./19um.opt3.root")
TFile f1("./19um.opt0.root")