Re: octave plotting

[Ben Abbott]

On Aug 15, 2011, at 1:10 PM, Glenn Flierl wrote:

> Hi Ben,
> 
> Yes that works (after adding "-dpng") and is mentioned in the wiki.  My
> changes to run the plot to stdout
> 
>    if (strcmp(file,"stdout"))
>      fprintf (plot_stream, "set output;\n");
>    elseif (! isempty (file))
>      fprintf (plot_stream, "set output \"%s\";\n", file);
>    endif
> 
> which work in 3.0 drawnow.m no longer work in gnuplot_drawnow.m -- probably
> from the switch to popen2.  You might want to think about the utility of
> something like that.
> 
> Movies likewise -- it would be nice to be able to create them directly and
> stream them to a file or stdout.  I suppose it could be done in the framework
> of Matlab's  getframe/addframe with an equivalent of avifile.
> 
> Anyways, thanks
> 
> Glenn

Those are good suggestions. If you decide to modify Octave's sources to 
implement either feature and without breaking any current functionality, please 
submit a patch at the link below.

        https://savannah.gnu.org/patch/?group=octave

Ben