Re: Plotting a histogram from text file.

From: Rene Brun <>
Date: Wed, 30 Mar 2005 08:24:17 +0200 (MEST)

I assume that you want to show a scatter-plot of one ntuple/Tree column versus another column.
If TTree* T is a pointer to your Tree, do


I strongly suggest to read the ROOT Users Guide chapter about Trees and play with the tutorials
  hsimple.C, ntuple.C, tree3.C

Rene Brun

Tue, 29 Mar 2005, Saleem, Muhammad wrote:

> Hi
> I want to plot a histogram from the file which has No. of enteries in one column and bin size in the other column.
> Some one can point me out that how do i plot the histogram.
> Is there any script for this?
> cheers
> ---saleem
Received on Wed Mar 30 2005 - 08:24:26 MEST

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