Re: [Gnuplot-info] I think something in Gnuplot broke... (fwd)

[sfeam <sf...@us...>]

On Wednesday, 30 May 2018 18:46:30 sfeam via gnuplot-info wrote:
> I do not understand the root cause of the problem, but I can 
> give you an easy fix for your script.
> 
> The badness all comes from inclusion of that final line:
> 
> plot
>   ...
>    1/0 lt -1 notitle           # Dummy so I can move above around
> 
> 
> If you delete that line, it works.

The really weird thing is that it is specifically 1/0 that 
breaks something.  Using  NaN or 0 does not trigger this issue.
So if you want to keep the line, substitute NaN for 1/0

	Ethan


> 
> I understand why you had that line there, but it has not been needed
> for a very long time.  Since at least version 4.6 you can end a 
> plot command with a comma and at worst you will get a warning message.
> 
> Why does including an all-undefine plot cause the logscale
> to fail? Good question.  I'll look into it.  But meanwhile you
> should be able to get your log output again.
> 
> 	Ethan
> 
> 
> On Thursday, 31 May 2018 08:00:41 Dave Horsfall wrote:
> > ---------- Forwarded message ----------
> > Date: Wed, 30 May 2018 16:56:28 +1000 (EST)
> > From: Dave Horsfall <da...@ho...>
> > To: Gnuplot Mailing List <gnu...@li...>
> > Subject: I think something in Gnuplot broke...
> > 
> > (Redirected here from the MacPorts list, which just upgraded to a new 
> > release.)
> > 
> > Something suddenly busted here; my spam graph is utterly weird now, and I was 
> > wondering whether it was anything that I did...
> > 
> > See www.horsfall.org/spamlog.pdf for yesterday's graph (nice and pretty!) and 
> > www.horsfall.org/spamlog-busted.pdf (where the hell did my log scale on the 
> > left go?).
> > 
> > Command and trimmed datafile attached...
> > 
> > I noticed that Gnuplot itself went from:
> > 
> >      Version 5.2 patchlevel 2    last modified 2017-11-15
> > 
> > to:
> > 
> >      Version 5.2 patchlevel 3    last modified 2018-05-04
> > 
> > It was posited that not many people would run mixed log/lin y-axes so soon 
> > after the upgrade, but I do it every day...
> > 
> > Thanks.
> > 
> > -- Dave
> 
> 
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