Re: Minimum gnuplot version for Octave 4.2?

[Tatsuro MATSUOKA]

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

> From: Rik 
> To: John W. Eaton ; Mike Miller 
> Cc: Octave-Maintainers 
> Date: 2016/9/15, Thu 05:20
> Subject: Re: Minimum gnuplot version for Octave 4.2?
> 
> On 09/14/2016 11:16 AM, John W. Eaton wrote:
>>  On 09/14/2016 01:26 PM, Mike Miller wrote:
>>>  On Wed, Sep 14, 2016 at 09:52:14 -0700, Rik wrote:
>>>>  Is there any objection to requiring a minimum gnuplot version of 
> 4.4 for
>>>>  the next release?  The release date was March 2010, or 6.5 years 
> ago.  The
>>>>  4.2 series had a release date of April 2007, but I don't think 
> anyone has
>>>>  tried to use Octave with gnuplot 4.2.X and I'm not really sure 
> it would
>>>>  work anymore.  In our own README.gnuplot we say, "Octave works 
> best with
>>>>  gnuplot 4.4 or higher, which is available from 
> http://www.gnuplot.info.";
>>>> 
>>>>  I happened to notice in the documentation for image() that we still 
> have
>>>>  "*Warning:* X and Y are ignored when using gnuplot 4.0 or 
> earlier." which
>>>>  is horrendously out of date.
>>> 
>>>  None here.
>>> 
>>>  RHEL/CentOS 5 has gnuplot 4.0 and RHEL/CentOS 6 has gnuplot 4.2. All
>>>  other current supported versions of distros that I know of have 4.4 or
>>>  later. I think it's safe to drop checks and warnings messages for 
> any
>>>  version lower than 4.4. Gnuplot should be very easy to build on older
>>>  GNU or UNIX distros that may need a newer version.
>> 
>>  It's OK with me as well.
>> 
>>  jwe
>> 
> 
> Okay, done in this cset
> (http://hg.savannah.gnu.org/hgweb/octave/rev/a666e3ee6af8).
> 
> --Rik


In the above changeset.

--- a/scripts/plot/util/__gnuplot_drawnow__.m
+++ b/scripts/plot/util/__gnuplot_drawnow__.m
@@ -193,16 +193,8 @@
                                  "epscairo", "epslatex", "fig", "gif", ...
                                  "jpeg", "latex", "pbm", "pdf", "pdfcairo", ...
                                  "postscript", "png", "pngcairo", "pstex", ...
-                                 "pslatex", "svg", "tikz"};
-          if (__gnuplot_has_feature__ ("windows_figure_position"))
-            terminals_with_size{end+1} = "windows";
-          endif
-          if (__gnuplot_has_feature__ ("x11_figure_position"))
-            terminals_with_size{end+1} = "x11";
-          endif
-          if (__gnuplot_has_feature__ ("wxt_figure_size"))
-            terminals_with_size{end+1} = "wxt";
-          endif
+                                 "pslatex", "svg", "tikz", "windows", ...
+                                 "wxt", "x11"};
 

Attached code
        if (all (gnuplot_size > 0))
          terminals_with_size = {"canvas", "cairolatex", "eepic", "emf", ...
                                 "epscairo", "epslatex", "fig", "gif", ...
                                 "jpeg", "latex", "pbm", "pdf", "pdfcairo", ...
                                 "postscript", "png", "pngcairo", "pstex", ...
                                 "pslatex", "svg", "tikz", "windows", ...
                                 "wxt", "x11"};




I do not see "qt". 

The qt terminal is implemented from gnuplot 4.6 and default terminal from 
gnuplot 5.0.

Tatsuro