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Re: FLASH - Colors Update [message #17235 is a reply to message #17232]

Mon, 20 September 1999 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Liam Gumley (Liam.Gumley@ssec.wisc.edu) writes:

> So while DirectColor mode does allow immediate graphics update when the
> color table is changed, it also exhibits a very annoying color-flashing
> behavior (at least on my system).

Liam, I have some more data coming in now (much of it
contradictory, as has always been my experience with
DirectColor visual classes), but here is one more
thing to try. Can you force IDL to get a private
color map. Something like this, I think:

IDL> Device, Direct=24
IDL> Window, Colors=256
IDL> Device, Bypass=0

I'm told the BYPASS keyword may not be required in
IDL 5.2, so you might try with and without.

DirectColor has always been extremely problematic
in my experience, but I guess it *can* work if we
figure out how to get it set up correctly.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Re: FLASH - Colors Update By: davidf on Mon, 20 September 1999 00:00
		Re: FLASH - Colors Update By: Liam Gumley on Mon, 20 September 1999 00:00
		Re: FLASH - Colors Update By: davidf on Mon, 20 September 1999 00:00
		Re: FLASH - Colors Update By: Liam Gumley on Mon, 20 September 1999 00:00

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