Re: linestyles in gnuplot

[Tatsuro MATSUOKA]

----- Original Message -----

> From: Daniel J Sebald 
> To: Rik 
> Cc: Octave maintainers mailing list 
> Date: 2016/9/3, Sat 06:44
> Subject: Re: linestyles in gnuplot
> 
> On 09/02/2016 04:32 PM, Rik wrote:
>>  On 09/02/2016 01:19 PM, Mike Miller wrote:
>>>  On Fri, Sep 02, 2016 at 15:10:30 -0500, Daniel J Sebald wrote:
>>>>  I've pulled gnuplot 4.6.6 from that project's version 
> control.  I had a bit
>>>>  of problem compiling and had to hack the "prepare" file.  
> Got it to compile.
>>>>  But I have no gnuplot Qt terminal (probably because I've 
> switched to Qt 5.0
>>>>  on my system).  When I try the "wxt" terminal, I see some 
> really bad looking
>>>>  errors.  But, if I switch to GNUTERM='x11' terminal in may 
> .bashrc file, and
>>>>  run
>>>> 
>>>>  plot (1:10, '--')
>>>>  print -dpng 'test.png'
>>>> 
>>>>  I see dotted lines for both the X11 plot and the PNG file.
>>>  I see dotted lines in both as well.
>>> 
>>>  With gnuplot 4.4 I see no line at all, just an empty axis, both in the
>>>  X11 terminal and in the PNG file.
>>> 
>> 
>>  I'm using the package gnuplot-x11 4.6.6-2 from Ubuntu.  I used the 
> attached
>>  scripts do_plot.m and run_do_plot.m to test x11, qt, and wxt terminals.
>>  For me, they all produce solid lines regardless of the linestyle.  If I
>>  install the package gnuplot-qt 4.6.6-2, then gnuplot-x11 is automatically
>>  removed, but at least the qt terminal will then show linestyles correctly.
>>  The 'wxt' terminal isn't recognized in this case, and 
> 'x11' still doesn't
>>  respect the linestyle.  It appears to be a visual thing only (although that
>>  is still bad).  When I print the plot the line has the correct linestyle.
>> 
>>  This doesn't affect me personally, I've moved up to gnuplot 5.0.3 
> to escape
>>  the weirdness with 4.X.  This makes me agnostic about whether this gets
>>  resolved for the release.
>> 
>>  --Rik
> 
> This sort of bundle/package variation is why I build gnuplot from 
> scratch right away.
> 
> There is a bug in Octave scripts though, 4.4 series.  Looks like line 
> drawing is being ruled out when it doesn't need to be.
> 
> Dan


The last version gnuplot 4.4 (4.4.4) has released Nov. 2011.
I think that octave need not to support for 4.4.

Tatsuro