[ncl-install] X11 function issues

[Ted Mansell]

X11 gets messed up after security updates, and there have been some  
recently.  You can try re-installing the version you have now, or try  
the latest version.

Also, if you have a recent version of X11, you should not set DISPLAY  
at all.  It will be automatically set to something like DISPLAY=/tmp/ 
launch-PPNQQM/:0   You might try first removing the DISPLAY settings  
from your .bashrc

-- Ted

On Jul 22, 2010, at 6:05 PM, kirstie stramler wrote:

> hi,
>
> I've got a MacBook Pro (intel) and am running OS 10.5.8 and need NCL/ 
> NCAR Graphics to generate weather maps for a paper (revisions due  
> next month).
>
> am following the environment configuring instructions on
> http://www.ncl.ucar.edu/get_started.shtml#SetUpEnvironment
>
> and have discovered that a semi-dysfunctional X11 ...  here are the  
> symptoms:
> 	• when I click on the X11 icon, the icon bounces for a while and  
> top indicates two X11.bin running, then the icon stops bouncing, X11  
> doesn't open, and top still continues to indicate two X11.bin running
> 	• both .bashrc and .bash_profile contain export DISPLAY=:0.0;  
> export DISPLAY={IP}:0.0; export DISPLAY=localhost:0.0
> 	• Matlab can open X11, however (and top indicates that X11.bin and  
> Xquartz and quartz-wm & xinit are running)
> 	• I am unable to open an X11 XTerm, even in Matlab's X11 (although  
> top indicates their presence)
> 	• The 'About X11' GUI indicates that Matlab is opening XQuartz  
> 2.1.6 (xorg-server 1.4.2-apple33)
> 	• when I go poking around I find that I actually have two versions  
> of X
> 	• the old version (X11R6) is softlinked to the new version (XQuartz)
> 	• when I type open /usr/X11R6/bin/X or open /usr/X11/bin/X it hangs  
> with '/usr/X11/bin/Xquartz ; exit;' and top indicates that X11.bin  
> is running but I am unable to access it
> questions are:
>
> (1) am i having a problem with the DISPLAY variable?
> when i invoke host {drivename} I get 2 IP addresses and 2 unknowns &  
> neither IP matches the one indicated by the GUI in System  
> Preferences, which is the one I used (I tried all 3).  it would seem  
> that my Mac is having an identity crisis of sorts.
>
> (2) should I install a newer version of XQuartz or will that mean I  
> can't use Matlab either?  No plotting for me!?!
> http://xquartz.macosforge.org/trac/wiki/X112.5.2
>
> will be profoundly appreciative of any assistance
> kirstie
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