Hi David,
You might want to look at what's been done for importing TIGER data into
the OpenStreetMap dataset:
http://www.openstreetmap.org/svn/utils/tiger_import/
I haven't looked at the Ruby in months but if I remember correctly, it
does the mildly interesting fix of merging erroneously-separated but
identically-named streets.
Ben
On Fri, Jan 20, 2006 at 09:35:48AM -0600, David Bitner wrote:
> Quick question for you. I don't want to reinvent the wheel. I'm
> looking to write a script use wget or some such to grab all the 2005fe
> Tiger files and set up a process to merge the files into some national
> datasets. I'd like to write the code so that to update to further
> TIGER releases all you would have to do is change the url for the
> fetching process.
>
> Things I'd like to end up with:
> geocoder.us index
> (is TIGER the source for the city, state and zip lookups too?)
> streets shapefile either merged or perstate with shape index with
> overviews (local roads filtered out, roads generalized)
> Properly generalized/merged base map datasets like congressional districts
> etc.
>
> Basically, I'd like a process that we could give to anyone so they
> could freely get the most up-to-date US basemap (suitable for
> Mapserver in my case) possible (rather than paying the several hundred
> to couple thousand bucks that a lot of folks are charging to do this
> work). I'm trying to get some national basemaps together for a
> non-profit I'm doing work for.
>
> Any pointers to existing code? Any comments? Anyone else interested
> in this kind of thing?
>
>
> David
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