You can use the TGraph constructor using a file as parameter.
See: http://root.cern.ch/root/html/TGraph.html
From: owner-roottalk_at_root.cern.ch [mailto:owner-roottalk_at_root.cern.ch] On Behalf Of Summit
Sent: Monday, October 04, 2010 5:29 AM
To: roottalk (Mailing list discussing all aspects of the ROOT system.)
Subject: [ROOT] ASCII data usage
Hi ROOTers,
How can I use ASCII data to plot the graph?
Thanks,
Regards,
Summit.
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