Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!uunet!bonnie.concordia.ca!thunder.mcrcim.mcgill.edu!quiche!pedro From: pedro@cs.mcgill.ca (Sandro MAZZUCATO) Newsgroups: comp.binaries.ibm.pc.d Subject: Re: compressing gifs Keywords: compress archive Message-ID: <1991Apr27.221601.27708@cs.mcgill.ca> Date: 27 Apr 91 22:16:01 GMT References: <11442@mentor.cc.purdue.edu> <1991Apr27.215625.7689@leland.Stanford.EDU> Sender: news@cs.mcgill.ca (Netnews Administrator) Organization: SOCS, McGill University, Montreal, Canada Lines: 18 In article <1991Apr27.215625.7689@leland.Stanford.EDU> elmanad@leland.Stanford.EDU (Adam Elman) writes: >My understanding is that the reason that zip, arc, lzh etc. cannot >compress a gif image is that the gif file format itself is already >compressed, and other compression software cannot compress it further. > >Adam Elman >elmanad@leland.stanford.edu Yes in fact it is using the LZW algorithm for compressing the image ! --------------------------------------------------------------------------- Sandro Mazzucato Internet : pedro@cs.mcgill.ca BSc, U2, Computer Science. McGill University - Montreal, Quebec, Canada