gnuplot error

[William Christopher Carleton]

I'd check out this (long) forwarded octave help session;

http://www-old.cae.wisc.edu/pipermail/help-octave/2006-June/000627.html

In the meantime, I recall having a similar issue last week with a G5 Mac OS X and found that I could work around the X11 problem by exporting the display something like;

export DISPLAY=":0.0"

in the terminal before attempting to plot anything. Then I simply plot as usual and the X11 window comes up. You probably already read this elsewhere, but you need to have Aquaterm and X11 installed before you can plot with gnuplot.

Chris
-----Original Message-----
From: Robert Fong-tom <rfongtom at gmail.com>
To: help at octave.org
Date: Mon, 17 Nov 2008 01:21:08 -0500
Subject: gnuplot error

Hi,
I just installed binary Octave 3.0.3 from Octave-Forge and now get  
the following error:

gnuplot: unable to open display ':0'
gnuplot: X11 aborted.

I am running OS X 10.4 (Tiger) i386. I deleted Octave 3.0.2 and all  
packages (also downloaded from Octave-Forge) then reinstalled the new  
version and the packages. I did this because I had problems just  
installing the new version by replacing the 3.02 with 3.0.3. Also, I  
have been trying to install the image package without luck. I even  
tried porting it from MacPorts but gave up. I suspect that MacPort  
may have changed my environment because I noticed that after  
downloading MacPorts, Octave started under Terminal instead of X11.   
Is anyone familiar with this issue and know how to fix this problem?
Bob
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