[OSM-dev] Massive building import - thoughts

80n 80n80n at gmail.com
Sat Feb 7 09:38:09 GMT 2009

On Sat, Feb 7, 2009 at 5:37 AM, Igor Brejc <igor.brejc at gmail.com> wrote:

> Frederik Ramm wrote:
> > I would imagine some complaints from those users who are not interested
> > in buildings, and for whom 90% of the data they download is useless
> > after the import. You might have to provide filtered extracts for them.
> >
> >
> I agree with Frederik, although I see a practical problem of trying to
> download data from France (or anywhere else for that matter) using
> OSMXAPI and then ending up downloading gigabytes of data, most of which
> you will throw away afterwards (if you don't need buildings, for example).
> I think we should think about providing a more flexible querying scheme
> for OSMXAPI which would allow excluding OSM elements based on tags.
> Currently this is not possible, AFAIK.

This is perfectly feasible.

> One alternative (if this OSMXAPI suggestion turns out to be too much for
> the servers to handle) would be to provide regular planet dumps split
> into small tiles (1x1 degree, for example). Since planet dump files are
> zipped, this would present much smaller chunks of data to download.
> (Software) clients would then have to filter and re-merge data from
> tiles themselves, but that's their problem.
> Igor
> --
> http://igorbrejc.net
> _______________________________________________
> dev mailing list
> dev at openstreetmap.org
> http://lists.openstreetmap.org/listinfo/dev
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/dev/attachments/20090207/58f742b7/attachment.html>

More information about the dev mailing list