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Re: IDL + Leopard [message #56541 is a reply to message #56540]

Mon, 29 October 2007 22:26

Edd Edmondson
Messages: 50
Registered: January 2003

Member

mgalloy@gmail.com <mgalloy@gmail.com> wrote:
> Sorry if this is a repeat, but it hasn't appeared for me yet...
>
> Warning to other Mac OS IDL users: widget programs in IDL 6.4 don't
> seem to run under Leopard. You might be better suited waiting for ITT
> VIS to release a fix/release before you update to Leopard. Are others
> experiencing this too?
>

I've been travelling since Leopard's release date, so I've not ordered
mine yet and can't check. However, I do know that X11 in Leopard has
changed the way DISPLAY is set. Now, it's set to connect to launchd,
which runs X11 if needed and then passes the connection through to
X11.

This means previously required tricks to set DISPLAY, as discussed
here before, are no longer needed in principle, and those tricks may
also break for Leopard. Also, the new setting may not play nice with
IDL for some other reason. It's certainly a cunning trick Leopard
uses, but it seems the cunning trick doesn't work so well if something
else is trying a trick of its own.

As loath as I am to recommend something I've strongly recommended
against before, if you're the sole user of the machine try making sure
X11 is running first, and try

setenv DISPLAY ":0"

before starting IDL
(I don't know how this will work with the IDLDE, but with the standard
IDL command line this may help)

As long as X11 is running, a more traditional DISPLAY setting should work.

I've also heard downgrading X11 to Tiger's version works, but I'm not
keen to recommend that sort of solution just in case it causes more
problems later.

--
Edd

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[Message index]

		Re: IDL + Leopard By: dcleon@gmail.com on Thu, 01 November 2007 04:45
		Re: IDL + Leopard By: Brian Larsen on Wed, 31 October 2007 09:10
		Re: IDL + Leopard By: dcleon@gmail.com on Tue, 30 October 2007 13:18
		Re: IDL + Leopard By: Michael Galloy on Tue, 30 October 2007 08:43
		Re: IDL + Leopard By: Brian Larsen on Tue, 30 October 2007 05:20
		Re: IDL + Leopard By: Karla on Tue, 30 October 2007 04:16
		Re: IDL + Leopard By: Edd Edmondson on Mon, 29 October 2007 22:51
		Re: IDL + Leopard By: Edd Edmondson on Mon, 29 October 2007 22:26
		Re: IDL + Leopard By: Brian Larsen on Mon, 29 October 2007 16:45

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