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From: tkarcher <tkarcher78@googlemail.com>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Wrong label values on the Y-axis in a time series
Date: Fri, 27 Jan 2012 07:57:01 -0800 (PST)
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On 27 Jan., 11:08, Christoph Bersch <use...@bersch.net> wrote:
> Hi Thomas,
>
> On 27.01.2012 10:14, tkarcher wrote:
>
> > Any idea why the following graphs show "2024" as the last label value
> > on the Y-axis instead of "2025"?
> >http://commons.wikimedia.org/wiki/File:Bielefeld_population.svg
> >http://commons.wikimedia.org/wiki/File:Eberswalde_population.svg
> > (Both generated on a Windows system with gnuplot 4.4 Patchlevel 4. The
> > script is attached to the description of the files. Also discussed
> > here:http://commons.wikimedia.org/wiki/Commons:Graphics_village_pump#Gnupl...)
>
> The xtics increment which you use (788400000) corresponds to 25 years
> with 365 days, but one year has 365.25 days. I haven't looked into the
> gnuplot sources how the time differences are handled but I guess this is
> the problem. If you use 7885000000 the labels are correct.
>
> Christoph

*facepalm* So obvious, and yet I didn't think of it. I changed the
value to 7.889238e8 now (60*60*24*365.2425*25), and it worked just
fine.

Thanks!