43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
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{
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gROOT->Reset();
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// Draw histogram fill by Geant4 TestEm11 simulation
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TFile f("./Al.314keV.root");
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TH1D* h1d = (TH1D*) f.Get("8");
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h1d->SetTitle("Depth dose distribution of 314 keV e- in Al");
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h1d->GetXaxis()->SetTitle("Edep (Mev.cm2/g) along x/r0 x/r0");
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h1d->GetYaxis()->SetTitle("MeV*cm2/g");
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h1d->SetStats(kFALSE); // Eliminate statistics box
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h1d->Draw("HIST");
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/* data
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* G.J.Lockwood et al.
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* Sandia report SAND79-0414.UC-34a, February 1987
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* O.Kadri et al. NIM B 258 (2007) 381
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*/
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ifstream in;
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in.open("./data/Al_314keV.ascii");
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TMarker *pt;
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Double_t x, y;
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// First indicate number of data
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int nbdata = 0;
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in >> nbdata;
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for ( int i = 0 ; i < nbdata ; i++ ) {
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in >> x >> y ;
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if (!in.good()) break;
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pt = new TMarker(x,y,22); // 22 for triangle TMatker
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pt->SetMarkerColor(kRed);
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pt->Draw();
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}
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in.close();
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// Print the histograms legend
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TLegend* legend = new TLegend(0.6,0.55,0.8,0.68);
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legend->AddEntry(h1d,"G4-9.1-ref-08++ ","l");
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legend->AddEntry(pt,"Sandia data","P");
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legend->Draw();
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}
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