[Xastir-dev] This might be of interest here...
Gerry Creager N5JXS
gerry.creager at tamu.edu
Sun Apr 3 22:42:44 EDT 2005
-------- Original Message --------
Subject: [Qgis-user] GIS data
Date: Sun, 3 Apr 2005 11:32:35 -0700 (PDT)
From: Brent Wood <pcreso at pcreso.com>
To: Oliver Baltzer <racon at init.ca>, Qgis-user at lists.sourceforge.net
Oliver et all
This was on the Free GIS list. May be of interest to y'all...
Great minds think alike! (or is that: fools seldom differ! :-)
Cheers,
Brent
Frank Warmerdam wrote:
> Folks,
>
> A few of us have been thinking about use of the BitTorrent protocol
> in the geospatial area. Our conclusion is that it's greatest use is
> in distributing large public (free) geospatial datasets. To that
> end we have setup a modest experiment to see how useful and popular
> such a service might be.
>
> BitTorrent, for those not familiar with it, is a peer-to-peer file
> sharing protocol. It's distinguishing factor is that the "server" can
> scale to handle large numbers of clients without a large increase in
> bandwidth by virtue of forcing clients to trade parts of the downloaded
> files with each other rather than having to send a full copy of the file
> to all clients.
>
> To test out the utility of BitTorrent in this field we have prepared and
> "seeded" a few fairly large, and reasonably popular datasets. These include:
>
> o TIGER 2004fe: Full Tiger data for the full USA.
> o VMAP0: All 4 VMAP0 CDs - various vector data for the whole world.
> o SRTM30+: SRTM derived DEM data at 30 second postings plus Bathymetry data.
>
> The torrents can be found at:
>
> http://uo.space.frot.org/?GeodataTorrents
>
> I welcome feedback, suggestions, additions, and even boos and hisses.
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Gerry Creager -- gerry.creager at tamu.edu
Texas Mesonet -- AATLT, Texas A&M University
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