Re: strange box-offset

[Ethan M. <merritt@u.washington.edu>]

On Friday 14 July 2006 02:52 pm, Mojca Miklavec wrote:
>
> Can you please take a look at
> http://pub.mojca.org/gnuplot/bug/box-offset.png?

Interesting.
I wonder if that is the same bug as reported in
http://sourceforge.net/tracker/index.php?func=detail&aid=1515265&group_id=2055&atid=102055


> The source is available in the same folder. Some boxes have an
> additional frame offset by 1 pixel, which seems pretty strange to me.
> This only happens at some specific sizes and some specific plots.
>
> When I tried the same example with the ConTeXt terminal (might be
> just any text-based terminal) I spotted the following in the output:
>
> fill unitsquare xyscaled (2.04,32.09) shifted (52.15,18.03);
> draw (52.15,18.03)--(52.15,50.11)--(54.18,50.11)--(54.18,18.03)
> 	--(52.15,18.03)--cycle;
>
> 32.09+18.03=50.12, but the rectangle is filled up to 50.11
>
> There seems to be a round-off problem.
>
> Mojca
>
>
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-- 
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle WA