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Re: writing gray scale GIFs from a 24bit machine [message #18807 is a reply to message #18800]

Sat, 05 February 2000 00:00

Liam E. Gumley
Messages: 378
Registered: January 2000

Senior Member

<reardonb@my-deja.com> wrote in message news:87fnvl$ev$1@nnrp1.deja.com...
> I'm having trouble creating gray scale GIF images that accurately
> reflect what is on my screen. I'm using a Mac and this problem does not
> exist when the colors are set to 256 but if the colors are set to
> thousands or millions I get a saved GIF image that has one color band
> that should be almost black but is instead almost white. I get this
> problem for gray scale color pallets such as loadct, 0. If I set the
> color pallet to loadct, 39 the saved GIF is very much like the screen
> image. The code I am using is the one David Fanning suggested and is
> attached below. I would like for this code to work on any system with
> any color pallet and any monitor color setting. Any help would be
> appreciated.

Try SAVEIMAGE, which can be found at
http://cimss.ssec.wisc.edu/~gumley/imagetools.html

Let me know if you have any problems.

Cheers,
Liam.
http://cimss.ssec.wisc.edu/~gumley

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[Message index]

		Re: writing gray scale GIFs from a 24bit machine By: reardonb on Mon, 07 February 2000 00:00
		Re: writing gray scale GIFs from a 24bit machine By: davidf on Sat, 05 February 2000 00:00
		Re: writing gray scale GIFs from a 24bit machine By: Liam E. Gumley on Sat, 05 February 2000 00:00

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