Import Geant4 10.5.0 source tree

examples/extended/analysis/B4dScoreWriter/plotNtuple.C

@@ -0,0 +1,42 @@
+// ROOT macro file for plotting example B4 ntuple
+// 
+// Can be run from ROOT session:
+// root[0] .x plotNtuple.C
+
+{
+  gROOT->Reset();
+  gROOT->SetStyle("Plain");
+  
+  // Draw histos filled by Geant4 simulation 
+  //   
+
+  // Open file filled by Geant4 simulation 
+  TFile f("B4.root");
+
+  // Create a canvas and divide it into 2x2 pads
+  TCanvas* c1 = new TCanvas("c1", "", 20, 20, 1000, 1000);
+  c1->Divide(2,2);
+  
+  // Get ntuple
+  TNtuple* ntuple = (TNtuple*)f.Get("B4");
+
+  // Draw Eabs histogram in the pad 1
+  c1->cd(1);
+  ntuple->Draw("Eabs");
+  
+  // Draw Labs histogram in the pad 2
+  c1->cd(2);
+  ntuple->Draw("Labs");
+  
+  // Draw Egap histogram in the pad 3
+  // with logaritmic scale for y  ?? how to do this?
+  c1->cd(3);
+  gPad->SetLogy(1);
+  ntuple->Draw("Egap");
+  
+  // Draw Lgap histogram in the pad 4
+  // with logaritmic scale for y  ?? how to do this?
+  c1->cd(4);
+  gPad->SetLogy(1);
+  ntuple->Draw("Egap");
+}