Re: gnuplot and dashed lines

[Daniel J Sebald]

On 12/20/2012 08:51 PM, Ben Abbott wrote:
> On Dec 20, 2012, at 9:19 PM, Daniel J Sebald wrote:
[snip]
> My gnuplot is
>
>         gnuplot 4.6 patchlevel 1
>
> Looking at sourceforge, I think this is the most recent version?  The manual for 4.6 
> has the syntax below for 'set term qt ..."
>
> set term qt {<n>}
>
>                     {size<width>,<height>}
>                     {{no}enhanced}
>                     {font<font>}
>                     {title "title"}
>                     {{no}persist}
>                     {{no}raise}
>                     {{no}ctrl}
>                     {close}
>                     {widget<id>}
>
> Even though there is no "dashed" mentioned, I do see dashed lines in the "test" 
> plot.

I'm using development version 4.7 and see no "dashed" in the 
documentation either.  I will investigate, thanks.


>   hmmm ... perhaps I the check that a term supports "dashed" should be 
skipped?

Yes, I think the unconditioned command should be fine.

> diff --git a/scripts/plot/__gnuplot_drawnow__.m 
> b/scripts/plot/__gnuplot_drawnow__.m
> --- a/scripts/plot/__gnuplot_drawnow__.m
> +++ b/scripts/plot/__gnuplot_drawnow__.m
> @@ -321,6 +321,7 @@
>           endif
>         endif
>       endif
> +    fprintf (plot_stream, "set termoption dashed\n")
>     else
>       ## gnuplot will pick up the GNUTERM environment variable itself
>       ## so no need to set the terminal type if not also setting the
>
> Unfortunately, when I use this change, I still don't get dashed lines from Octave when 
> using the "qt" terminal.

OK.  Maybe there is a variable overlooked because "qt" is a new terminal 
and it does require "--enable-qt" when configuring.  I'll follow up with 
the gnuplot list.  Thanks.


> Also, I looked at the "test" plots for x11. I don't see any dashed lines there.

I sent the list a note and I've isolated the dates for which the X11 
terminal test is failing.

Dan