[OSM-dev] osm2pgsql and bbox imports

Peter Wendorff wendorff at uni-paderborn.de
Mon Oct 15 08:01:07 BST 2012


Danke.
Ich hab wohl zu wenig imports bisher durchgeführt und hatte das einfach 
als gegeben hingenommen ;)
Danke fürs untersuchen und dokumentieren.

Gruß
Peter

Am 15.10.2012 00:11, schrieb Stephan Knauss:
> On 12.10.2012 18:38, Peter Wendorff wrote:
>> Am 12.10.2012 18:12, schrieb Stephan Knauss:
>>> Peter Wendorff writes:
>>>> osm2pgsql has to store nodes outside the bbox because geometries that
>>>> overlap the borders etc. should be included in the result, too.
>>> how certain are you regarding this?
>> It's only based on my observations and short comments on questions
>> regarding that in the IRC channels.
>> My germany extract import took incredibly long and the number of nodes
>> in the slim nodes table is around in line with the data stats for
>> Germany as a whole, while I only imported one city (by bounding box
>> filtering).
>
> I can say it's a bug with pbf processing. I was able to reproduce the 
> problem and created a ticket.
>
> https://trac.openstreetmap.org/ticket/4625
>
>
> I suggest you have a look at the filtering capabilities of osmconvert. 
> It was able to extract my desired bbox out of the 2GB asia extract 
> within 5 minutes.
>
> The resulting database is now 40 times smaller and in a range I was 
> used to before my software upgrade.
>
> Stephan
>
>




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