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Re: IDL Colors on 24-Bit Displays [message #10581] Fri, 09 January 1998 00:00
Markus Nowak is currently offline  Markus Nowak
Messages: 2
Registered: April 1996
Junior Member
Hi there,
A work-around for the "24-bit color problem" in IDL 5.0 on Macs:
Start IDL with your screen set to "256 colors". All color table and plot
stuff will work as expected. INow of course you will get tired of
changing LUTs when switching between applications. Wel,, just re-set
your screen to "Millions of colors". This won't affect IDL (!!!!!!!).
It's a bit of a pain, but better than red plots.

For those working on other OS's: Try it - it might work!

Bye for now

Markus Nowak
PET Center
Copenhagen, Denmark

David Fanning wrote:

> Hi Folks,
>
> I don't pretend that this is the last word on the subject,
> but with the help of Mark Rivers and the technical support
> folks at RSI I think I *finally* have a pretty good handle
> on what is happening with 24-bit colors. (At least with
> respect to direct graphics. The object graphics system
> seems to use yet another scheme and I am still
> puzzled about aspects of that.)
>
> In any case, you can see my 3:00 AM feeble attempt to
> explain it to myself (don't ask) in a new article on my
> web page. It is at this URL:
>
> http://www.dfanning.com/tips/colors24.html
>
> Cheers,
>
> David
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