Re: [ROOT] Creating a graph or histogram from raw data

From: david.hou@utoronto.ca
Date: Wed Jun 25 2003 - 22:28:16 MEST


Hi JOhn

Let's say the raw data are in ascii type format.  What should be done for ROOT
to take in data from it?  How does the data must look in the ascii file (i.e. in
3 columns with spaces to separate? or..? )?

Thanks

David

Quoting Frankland John <frankland@ganil.fr>:

> Hi David
> 
> I'd love to help but ... can you be a /little/ bit more specific ?
> Is this raw data a text (ascii) file ? A HBOOK ntuple ? A site-specific 
> data acquisition file ?
> Hastily-scribbled figures on small pieces of notepaper soaked in coffee ?
> 
> Best wishes
> John Frankland
> 
> david.hou@utoronto.ca wrote:
> 
> >Hi there, I am recently starting to use ROOT and I wish to jump into some
> >matters right away.  I have a very simple question:  what do I have to do
> in
> >order to get a file consisting of raw data to be an input for ROOT for
> plotting
> >either a graph or a histogram?
> >
> >Thanks for the help!
> >
> >David
> >  
> >
> 
> 
> -- 
> John D. Frankland
> Beam Coordinator
> GANIL
> B.P. 55027
> 14076 CAEN Cedex 05
> 
> tel: +33 (0)231454628
> fax: +33 (0)231454665
> 
> 
> 



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