#!/usr/bin/python import time from ROOT import * f = TFile("bx_by_vs_.root") f.cd() myStyle.cd() c = TCanvas() c.cd() bx_vs_profile.Fit('pol0','EM') by_vs_profile.Fit('pol0','EM') bx_vs_profile.Draw("e1p") by_vs_profile.Draw("e1psame") myLegend = TLegend(0.8,0.8,0.9,0.9) myLegend.SetBorderSize(1) myLegend.AddEntry( bx_vs_profile, "bx", "p") myLegend.AddEntry( by_vs_profile, "by", "p") myLegend.Draw() try: time.sleep(1E9) except KeyboardInterrupt: pass