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Re: can't change colortable in current window (linux bpp24) [message #16278] Fri, 16 July 1999 00:00 Go to previous message
J.D. Smith is currently offline  J.D. Smith
Messages: 214
Registered: August 1996
Senior Member
Liam Gumley wrote:
>
> "J.D. Smith" wrote:
>> Sadly, the most popular X servers for Linux (XFree86) do not support
>> overlays... I.E. they can't do PseudoColor when running in TrueColor
>> mode. Version 4.0 will add this feature, but it is far from ready.
>
> That's interesting. I based my comments on my experience with SGI, which
> allows PseudoColor or TrueColor modes to be used when you have 24-bit
> hardware. I guess that to use IDL PseudoColor mode, you'd need to
> restart your X server in 8-bit mode. Could you remind us of the syntax?
> In addition, are there any other Linux X servers which do provide this
> capability?
>

startx -- -bpp 32

or, if you're using xdm, you'll need to edit your "Xservers" file to
contain -bpp 32.

I believe Xi graphics makes a product called AccelX which purports to do
overlays. I've never seen that for myself, but they claim it's true
(http://www.xigraphics.com/). Let me know if you find anything out.

JD

--
J.D. Smith |*| WORK: (607) 255-5842
Cornell University Dept. of Astronomy |*| (607) 255-6263
304 Space Sciences Bldg. |*| FAX: (607) 255-5875
Ithaca, NY 14853 |*|
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