[Pkg-octave-devel] Bug#598059: Bug#598059: octave3.2: axis equal/square incorrect for gnuplot 4.4

[Yann Vernier]

On Sun, 26 Sep 2010 13:38:21 +0200
Thomas Weber <tweber at debian.org> wrote:

> Hi Yann, 
> On Sun, Sep 26, 2010 at 02:45:45AM +0200, Yann Vernier wrote:
> > Package: octave3.2
> > Version: 3.2.4-7
> > Severity: normal
> > 
> > 
> > There is a bug in handling of 2d plots with Octave 3.2 and Gnuplot
> > 4.4.
> > 
> > I found that while axis equal or axis square change the plot, both
> > on screen and in print, it does not calculate the ratios correctly.
> > Whatever it is setting seems dependent on the window shape, which
> > really should never affect the printout.
> 
> Could you send some screenshots showing the problem? And please, don't
> use random values (i.e. rand() and friends), but someting easily
> reproducible. 
> 
> Thanks
> 	Thomas

Certainly. 

This also led me to experiment a bit with what the calculations are
based on; the difference between axis and data ranges matters.
Also attaching the message in the screenshot, which contains the sample
code. (cut -d# may help you split it into gnuplot and octave scripts)
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: message.txt
URL: <http://lists.alioth.debian.org/pipermail/pkg-octave-devel/attachments/20100926/d5627833/attachment-0001.txt>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: screenshot.png
Type: image/png
Size: 99996 bytes
Desc: not available
URL: <http://lists.alioth.debian.org/pipermail/pkg-octave-devel/attachments/20100926/d5627833/attachment-0001.png>