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| Re: Unsupported X Windows visual??? [message #16854 is a reply to message #16853] |
Mon, 23 August 1999 00:00  |
Liam Gumley
Messages: 473
Registered: November 1994
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Senior Member |
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Todd David Halter wrote:
> I am running IDL 5.2.1 on a RedHat Linux 6.0 i86 machine with 24bpp. When I do a device,decompose=0 I get the following error:
> Unsupported X Windows visual (class: PseudoColor, depth: 8).
> Substituting default (class: TrueColor, Depth: 24).
> Any ideas on how I can get it to do depth 8 and not depth 24.
While most name-brand Unix consoles (SGI, Sun, IBM etc.) support IDL
8-bit PseudoColor while running a 24-bit desktop, Linux does not. At
least most of the common Linux Xserver packages don't support it (e.g.
XFree86), although AccleratedX might.
If you *really* want to run IDL in 8-bit PseudoColor mode, you'll need
to restart your Xserver e.g.
startx -- -bpp 8
Cheers,
Liam.
--
Liam E. Gumley
Space Science and Engineering Center, UW-Madison
http://cimss.ssec.wisc.edu/~gumley
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