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Re: Problems with long IDL background jobs [message #36986] Mon, 10 November 2003 01:37 Go to previous message
Nigel Wade is currently offline  Nigel Wade
Messages: 286
Registered: March 1998
Senior Member
R.G. Stockwell wrote:
> "Nigel Wade" <nmw@ion.le.ac.uk> wrote in message
> news:bofq1e$t73$1@south.jnrs.ja.net...
> ...
>
>> Does your IDL code do any plotting? I didn't think IDL actually opened any
>> connection to the X server unless you issued a command which initiates
>
> graphics.
>
>
>
> As a guess, perhaps you have some commands in your startup
> that initiate the X server connection.
> I don't know if the following commands do this:
> device,true=24 ; i do not think i need this
> device,retain = 2
> device,decomposed=0
>
> Cheers,
> bob
>
>
>

I think that any DEVICE command has the potential to open a graphics channel
as it may well need it to perform the requested operation. For example, a
device,true=24 will almost certainly do so as it's requesting a 24bit
TrueColor visual from the X server and will need to communicate with the X
server to do so. I think retain=2 will also, as it's asking for use of the X
servers backing store.

--
Nigel Wade, System Administrator, Space Plasma Physics Group,
University of Leicester, Leicester, LE1 7RH, UK
E-mail : nmw@ion.le.ac.uk
Phone : +44 (0)116 2523548, Fax : +44 (0)116 2523555
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