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Mac Yosemite X Window Display [message #93760]

Thu, 13 October 2016 07:59

Miguel
Messages: 18
Registered: April 2015

Junior Member

Hi,

When I'm trying to plot or to call a procedure which needs to display a window, I have the following message :

IDL> plot,[0],[0]
% PLOT: Unable to connect to X Windows display:
/private/tmp/com.apple.launchd.MMLU5gSlVQ/org.macosforge.xqu artz:0
% PLOT: Unable to open X Windows display.
Is your DISPLAY environment variable set correctly?
% Execution halted at: $MAIN$
IDL>

I don't have this problem using Fedora or former versions of Mac OS and it's seems to be a problem coming from IDL because X11 is displayed when I use other softwares from the shell.

Did you hear about this problem ?

Thanks
Miguel

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Re: Mac Yosemite X Window Display [message #93770 is a reply to message #93760]

Thu, 13 October 2016 17:14

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

On Thursday, October 13, 2016 at 10:59:42 AM UTC-4, miguelfigue...@gmail.com wrote:
> % PLOT: Unable to connect to X Windows display:
> /private/tmp/com.apple.launchd.MMLU5gSlVQ/org.macosforge.xqu artz:0
...
> Did you hear about this problem ?

Open the Console application and look for errors. Make sure you have XQuartz installed properly.

One quick thing worth trying is closing the terminal window and reopening. It might refresh the DISPLAY variable (but might not).

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Re: Mac Yosemite X Window Display [message #93776 is a reply to message #93760]

Fri, 14 October 2016 02:21

Markus Schmassmann
Messages: 129
Registered: April 2016

Senior Member

On 10/13/2016 04:59 PM, miguelfigueirasebastiao@gmail.com wrote:
> When I'm trying to plot or to call a procedure which needs to
> display a window, I have the following message :
>
> IDL> plot,[0],[0]
> % PLOT: Unable to connect to X Windows display:
> /private/tmp/com.apple.launchd.MMLU5gSlVQ/org.macosforge.xqu artz:0
> % PLOT: Unable to open X Windows display.
> Is your DISPLAY environment variable set correctly?
> % Execution halted at: $MAIN$
> IDL>
>
> I don't have this problem using Fedora or former versions of Mac OS
> and it's seems to be a problem coming from IDL because X11 is displayed
> when I use other softwares from the shell.
>
> Did you hear about this problem ?

Are you working on your own computer or logged in on a server?
if the latter, have you forgot the -x option to ssh?
or does the server not allow this option to be applied?

just on the off chance this helps... Markus

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Re: Mac Yosemite X Window Display [message #93783 is a reply to message #93776]

Fri, 14 October 2016 12:22

Miguel
Messages: 18
Registered: April 2015

Junior Member

Hi,

Thank you for your answers.
I installed Xquartz and it works when I use idlde with the licence I get trough a VPN.
If I used idl (another version) from the shell, I have the following message

IDL> plot,[0],[0]
No matching pixelformats found, perhaps try using LIBGL_ALLOW_SOFTWARE
Abort trap: 6

This problem was reported so I might resolve it by myself. I will come back if not

Cheers,
Miguel

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