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bug#346: marked as done (plot not cleared after plot() commands followi

Subject: bug#346: marked as done plot not cleared after plot() commands following a plotyy()
From: Emacs bug Tracking System
Date: Mon, 2 Jun 2008 20:45:03 -0700
Newsgroups: gnu.emacs.bug
Your message dated Mon, 02 Jun 2008 23:35:23 -0400
with message-id <jwvwsl7tcne.fsf-monnier+emacsbugreports@xxxxxxx>
and subject line Re: plot not cleared after plot() commands following a plotyy()
has caused the Emacs bug report #346,
regarding plot not cleared after plot() commands following a plotyy()
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
346: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=346
Emacs Bug Tracking System
Contact don@xxxxxxxxxxxxxxxx with problems
--- Begin Message ---
Subject: Re: plot not cleared after plot) commands following a plotyy(
From: David Bateman
Date: Sun, 01 Jun 2008 17:42:25 +0200
Thomas Weber wrote:
> thanks
> [let's give the tracker a try]
> 
> [ Octave 3.0.1, gnuplot 4.2 patchlevel 2 ]
> 
> The following code leaves fragments of the plotyy() commands in the
> final plot after the plot() command:
> 
> ===================================================================
> x= 1:10;
> y = 1./x;
> z = 10 *x;
> q = 100*x;
> 
> plotyy(x,y,x,z)
> pause
> plotyy(x,y,x,q)
> pause
> plot(x,y)
> ===================================================================


Not sure how to address this in the bug tracker as it should be marked
as "pending" for 3.1.x and "won't fix" for 3.0.x.. In any case its a
known problem. The thread

http://www.nabble.com/RE%3A--Changeset--plotyy-leaves-traces-of-previous-plots-tt16361090.html

discusses it and I even proposed a patch, that partially addresses the
issue, though potentially causes other problems and so John didn't want
to apply it. The solution that is proposed for 3.1.x is to use the
callback code in the octave-graphics branch to create a callback
function that deals with clearing the plotyy plots in the same manner as
 matlab does. However, we need the new graphics handle code in the main
tree, at least before I'd look at the problem. In any case its one of
the issues I have on my todo list.

D.



--- End Message ---
--- Begin Message ---
Subject: Re: plot not cleared after plot) commands following a plotyy(
From: Stefan Monnier
Date: Mon, 02 Jun 2008 23:35:23 -0400
This doesn't seem to be relevant to Emacs,


        Stefan


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