[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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