From help-octave-request at bevo dot che dot wisc dot edu Tue Jun 10 13:52:07 2003
Subject: Re: Limited number of figures?
From: A S Hodel <a dot s dot hodel at Eng dot Auburn dot EDU>
To: "Steven D Ratts" <sdratts at raytheon dot com>
Cc: help-octave at bevo dot che dot wisc dot edu
Date: Tue, 10 Jun 2003 13:51:41 -0500

This is a problem with gnuplot code.  You can fix it by editing the 
gnuplot source.
Look in file src/gplt_x11.c for
#define MAX_WINDOWS 16
and change the value to what you want.

On Tuesday, June 10, 2003, at 01:23 PM, Steven D Ratts wrote:

> Hi,
>
> I'm an experienced MATLAB user, but a novice with octave, so this may 
> be a
> very simple question.  I looked in the help archives but I wasn't able 
> to
> find something that looked relevant, nevertheless, this would seem to 
> be a
> very basic problem that most likely is commonly encountered and 
> (hopefully)
> easily solved.
>
> When I generate plots using octave (2.1.48), the windows are labeled 
> with
> the figure number as "Gnuplot n" where n is the figure number.  The 
> first
> issue is that even if I do a "close all" (which does close all the
> windows), the next plot I make (and the value returned by the figure
> command) is n+1 where n is the number of the last figure created.  Is 
> there
> some way to reset the figure number?
>
> The second, and more pressing issue doesn't occur until I get to the 
> 16th
> figure for a given session of octave.  On that figure the window is 
> labeled
> "Gnuplot" rather than "Gnuplot 16" (this is not a big deal IMO), and 
> all
> further plots will go to that window (which is the crux of the 
> problem).
> Basically, I can't get more than 16 figures out of a given session of
> octave before all further figures overwrite the last one.  I can clear 
> this
> by exiting octave and restarting, but this is hardly a viable solution.
>
> Is there some way to reset the figure number to 1?  I can live with not
> having more than 16 figures open at one time, but if I'm going to be 
> able
> to effectively look at the data I need to process, I'll certainly need 
> much
> more than 16 figures in a given octave session and would like to have
> several open at any given time.
>
> Is this a gnuplot issue?  I'm using gnuplot 3.7 on my system (a PC 
> running
> linux Redhat 9) if that is relevant.
>
> Are there any alternatives to gnuplot (if that is the issue) that I 
> might
> be able to use, and if there are, can I access them via octave's plot
> command?
>
> Thanks!
> Steve
>
> Steven D Ratts
> 520.794.3692 Desk
> 520.794.5815 FAX
> 520.489.8916 Pager
> sdratts at raytheon dot com
>
>
>
>
>
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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
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