[Xastir] Tons of Tiger maps -- can we use them?
Brian D Heaton
brian.heaton at janusresearch.com
Mon Nov 24 12:37:26 EST 2003
Curt/All,
The only problem with that is there is a limit (50MB??) on what you can
download in a single pass. Its still a PITA to drop out counties within
a layer to get down to that limit. I did a couple states like that, but
if I tried to do the whole US I'd go nuts.
I've got the whole collection of raw TIGER files for the US and I'll be
happy to burn a copy and send them to anyone that would like to look at
writing a conversion utility. They are available commercially, but at
$500 a shot its a bit more than I'm ready to pay to convert free data.
THX/BDH
On Mon, 2003-11-24 at 00:53, Curt Mills, WE7U wrote:
> On Fri, 21 Nov 2003, Jack Twilley wrote:
>
> > I have almost 2000 files for California alone. I'd like the whole
> > country, but I don't want to spend six weeks clicking on ESRI's site.
> >
> > What other sites are there?
>
> I remember that you can download an entire layer at a time for a
> state, so you only need to repeat that a few times for each state.
> If you're trying to create an archive containing every layer
> possible, then you're probably out of luck. I only use a small
> subset of the layers typically: roads/rivers/lakes.
>
> http://www.mapshots.com has shapefile format maps as well, but they
> don't have all of the layers available.
>
> Perhaps a good solution would be to have a CVS site somewhere, where
> people could add maps that were missing. If we had 25 volunteers who
> took two states each, we could have it filled with the entire U.S.
> fairly quickly. It'd be good to have a site like that, and mirrors
> of the site as well. Would make it much easier to download maps, and
> in fact we could even add code to Xastir then to auto-download the
> area maps you're interested in.
>
> It's possible that someone like James Jefferson might already have
> the entire set of maps available. Doesn't Aprsworld use those?
>
> Curt, WE7U. archer at eskimo.com
> http://www.eskimo.com/~archer
> Lotto: A tax on people who are bad at math. - unknown
> Windows: Microsoft's tax on computer illiterates. - WE7U.
> The world DOES revolve around me: I picked the coordinate system!"
>
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