[Talk-us] US state extracts

Josh Doe josh at joshdoe.com
Wed May 11 14:40:01 BST 2011


Great, thanks for doing this, this will be a great help to myself and
others! Virginia would of course be on the top of my list...

Thanks again!
-Josh

On Wed, May 11, 2011 at 2:23 AM, Frederik Ramm <frederik at remote.org> wrote:
> Hi,
>
>   I've started making daily pbf extracts available for US states here:
>
> http://download.geofabrik.de/osm/north-america/us/
>
> I don't have all the states yet, I'm adding them at a rate of one or two per
> day (email me offlist if you're burning to have YOUR state added).
>
> As with all other Geofabrik extracts, these are true polygon extracts, which
> means that I'm cutting right through cities that straddle a state border.
>
> As a technical detail, these extracts are cut out from the census areas that
> can be downloaded too. The census areas themselves are cut out with the
> "clipIncompleteEntities" option, i.e. ways that cross a census area boundary
> are simply cut; whereas the individual states are cut out with
> "completeWays", i.e. it should be possible to combine several states without
> data loss *if* they are within the same census area.
>
> (I don't even know if census areas are somthing that you guys are used to
> work with - I had been looking for some sort of not-completely-arbitrary
> subdivision of the US and this was one of the first things I found on
> Wikipedia...)
>
> In the long run, Ian Dees is planning to set up extracts on an OSMF-US
> server and I'll probably just pass my scripts over to him when the time
> comes. So you can view this as a sort of public beta for the coming OSMF-US
> service.
>
> Bye
> Frederik
>
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