Karl Newman wrote: > On Jan 1, 2008 7:19 AM, Martijn van Oosterhout <[EMAIL PROTECTED]> wrote: >> On Jan 1, 2008 3:47 PM, Bruce Cowan <[EMAIL PROTECTED]> wrote: >>> I remember 7-Zip planets being provided in the past, what was the reason >>> for removing them? >> Nobody used them. (With a "handful" rounded down to "nobody") >> >> One major issue is that people don't decompress the planet anymre, but >> instead work on the compressed version directly. This means you need >> libraries to read/write them programmatically. Does lzma have such a >> library? Most scripts in SVN can handle GZ and BZ2 files direcly, but >> who is volunteering to fix all the scripts to work with 7z? >> >> Also, every linux system has bz2, but barely any have 7z, and I doubt >> people are going to install a new compression program for just saving >> a few bytes and losing a lot of functionality. >> >> Have a nice day, >> -- >> Martijn van Oosterhout <[EMAIL PROTECTED]> http://svana.org/kleptog/ > > If some of the main tools such as Osmosis and/or JOSM were extended to > use it, it might get more use. I'm sure there's some open-source 7z > Java library somewhere, similar to the bz2 library already used in > Osmosis. Then it could be used without requiring client machines to > install new tools. A 33% savings over bz2 is significant, but the > tripled compression time might be an issue. LZMA SDK is ported to several languages (including Java) and is available on 7zip site under LGPL: http://www.7-zip.org/sdk.html there are also links to other implementations.
greets, Stefan _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk
