Re: [ROOT] How to define a 'timeline' histogram?

From: Antonio Sidoti (antonio.sidoti@pi.infn.it)
Date: Tue Jul 16 2002 - 15:55:31 MEST


Hi Dario,
probably you can do that with ROOT. However, you can use RRDTool 
http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/ to do that.
Cheers,
Antonio


On Tue, 16 Jul 2002, Dario Menasce wrote:

> Dear Rooters,
>     I need to monitor a few quantities continuosly over time, and therefore
> I would like to have the possibility of displaying a histogram that 
> periodically
> updates both it's content AND it's ordinate values (min and max).
> It should progress over time with user-definable parameters, such as
> frequency of update, past history depth and the possibility, driven by 
> means of
> a scrollbar to move along hidden parts of the histogram.
> 
> Does such a tool already exist or should I consider writing one on my-own?
> 
>                                                     Thanks, Dario Menasce
> 



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