Re: [ROOT] autoscaling Y axis of an histogram

From: Rene Brun (brun@pcbrun.cern.ch)
Date: Sun Jun 27 2004 - 08:52:44 MEST


Could you send an example histogram where the autoscaling does not work?
Indicate between which bins you are zooming.
Also indicate the ROOT version 
number.

Rene Brun

On 
Sat, 26 Jun 2004 suaide@dfn.if.usp.br wrote:

> Yes the autoscaling is indeed true but I would like
> to set the Y scale with limits corresponding to the
> minimum and maximum bin content of that region. 
> The histogram autoscales but it usually takes the
> lower limit for the y axis as zero. This is what I
> want to avoid.
> 
> Regards
> 
> Alex
> 
> On Sat, 26 Jun 2004, Rene Brun wrote:
> 
> > I am not sure to understand your request.
> > This should be the default behaviour .
> > 
> > Rene Brun
> > 
> > On Sat, 26 Jun 2004 
> > suaide@if.usp.br wrote:
> > 
> > > Hello all
> > > 
> > > Is it possible to define some property in the
> > > histogram, or axis, or somewhere else that
> > > enables a kind of autoscaling? I mean, for
> > > instance, I have one histogram that the X
> > > axis goes from 0 to 10 and, when I zoom
> > > it with the mouse from 3.5 to 5.6 it picks
> > > the minimum and maximum value in that
> > > range for the Y axis and change the limits
> > > in the Y axis scale to expand the histogram
> > > in that region. Is it possible?
> > > 
> > > Regards
> > > 
> > > Alex Suaide
> > > 
> > 
> > 
> 



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