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Re: LZW in IDL [message #39745 is a reply to message #39733]

Wed, 09 June 2004 11:15

Haje Korth
Messages: 651
Registered: May 1997

Senior Member

Don't bother with the waiver, just wait. :-)

Cheers,
Haje

"Jonathan Joseph" <jj21@cornell.edu> wrote in message
news:ca7ilv$553$1@news01.cit.cornell.edu...
>
> While checking in on the whole LZW issue recently, I read the following
> on an RSI website (http://www.rsinc.com/services/techtip.asp?ttid=3543)
>
> "The LZW compression patent held by Unisys, which is the basis for their
> claims surrounding the GIF file format, expired in the U.S. on June 20,
> 2003, however Unisys� patents in Japan, and Europe expire June 20, 2004,
> and expire in Canada on July 7, 2004."
>
> With the last of these patents expiring this summer, can we look forward
> to using LZW encoding again in the next release of IDL, or is that a
> pipe-dream? I don't have much dezire to create GIF images, but I do
> create TIFFs, and in recent images I have found that using the packbits
> compression actually creates larger files than when I use no compression.
>
> -Jonathan

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[Message index]

		Re: LZW in IDL By: Haje Korth on Thu, 10 June 2004 06:04
		Re: LZW in IDL By: Haje Korth on Thu, 10 June 2004 06:02
		Re: LZW in IDL By: Mark Hadfield on Wed, 09 June 2004 23:17
		Re: LZW in IDL By: andrew.cool on Wed, 09 June 2004 21:52
		Re: LZW in IDL By: Mark Hadfield on Wed, 09 June 2004 16:52
		Re: LZW in IDL By: David Fanning on Wed, 09 June 2004 13:11
		Re: LZW in IDL By: Jonathan Joseph on Wed, 09 June 2004 13:01
		Re: LZW in IDL By: Haje Korth on Wed, 09 June 2004 11:15

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