#!/usr/bin/python
import time
from ROOT import *
f = TFile("Ab_fit_vs_n.root")
f.cd()
myStyle.cd()

c_half = TCanvas('c1','c1',0,0,1400,600)
g = Ab_fit_vs_n
c_half.SetBottomMargin(.16)
g.GetXaxis().SetTitleOffset(1.)
g.GetYaxis().SetTitleOffset(.7)
g.GetYaxis().SetNdivisions(404)
for a in [g.GetXaxis(),g.GetYaxis()]:
   a.SetLabelSize(.07)
   a.SetTitleSize(.07)

Ab_fit_vs_n.Draw("AP")
try:
   time.sleep(1E9)
except KeyboardInterrupt:
   pass