{ gROOT->SetStyle("Default"); // Just for reference, is overridden in the next line gROOT->SetStyle("Plain"); // close to PAW gStyle->SetPalette(1); // nicer color map than default gStyle->SetOptStat(111111); // Show overflow and underflow as well gStyle->SetOptFit(1011); gStyle->SetMarkerStyle(20); // Filled circles gStyle->SetMarkerSize(.8); // larger than half a pixel ... gStyle->SetMarkerColor(kBlack); gROOT->ForceStyle(); // Override styles saved in a rootfile }