Jan Kieseler
44 lines
970 B
C++
44 lines
970 B
C++
// ROOT macro file for plotting example B4 histograms
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//
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// Can be run from ROOT session:
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// root[0] .x plotHisto.C
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{
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gROOT->Reset();
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gROOT->SetStyle("Plain");
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// Draw histos filled by Geant4 simulation
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//
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// Open file filled by Geant4 simulation
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TFile f("B4.root");
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// Create a canvas and divide it into 2x2 pads
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TCanvas* c1 = new TCanvas("c1", "", 20, 20, 1000, 1000);
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c1->Divide(2,2);
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// Draw Eabs histogram in the pad 1
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c1->cd(1);
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TH1D* hist1 = (TH1D*)f.Get("Eabs");
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hist1->Draw("HIST");
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// Draw Labs histogram in the pad 2
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c1->cd(2);
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TH1D* hist2 = (TH1D*)f.Get("Labs");
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hist2->Draw("HIST");
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// Draw Egap histogram in the pad 3
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// with logaritmic scale for y
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TH1D* hist3 = (TH1D*)f.Get("Egap");
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c1->cd(3);
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gPad->SetLogy(1);
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hist3->Draw("HIST");
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// Draw Lgap histogram in the pad 4
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// with logaritmic scale for y
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c1->cd(4);
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gPad->SetLogy(1);
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TH1D* hist4 = (TH1D*)f.Get("Lgap");
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hist4->Draw("HIST");
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}
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