[OSM-dev] Osmosis - Cutting out a bounding box from a diff file (.osc)

[Stéphane Henriod]

PS: it looks like only the tables

   - planet_osm_rels
   - planet_osm_ways

Get data from outside my bounding box and thus grow extremely quickly.

Don't really know how to interpret this behavior!
--
"Le mot progrès n'aura aucun sens tant qu'il y aura des enfants malheureux"
-- Albert Einstein

"A journey does not need reasons. Before long, it proves to be reason
enough in itself. One thinks that one is going to make a journey, yet soon
it is the journey that makes or unmakes you." -- Nicolas Bouvier

Photos de voyages, photos de montagne: http://www.henriod.info



On Wed, Sep 5, 2012 at 8:56 AM, Stéphane Henriod <s at henriod.info> wrote:

> Dear all
>
> I now have a running process where I dowload the hourly diffs and those
> are applied to the PostGIS database with osm2pgsql.
>
> My problem is that, despite the *osm2pgsql -b* option, it seems that my
> bounding box is ignored and the full diff file is added to my database, As
> a consequence, the database is growing very quickly and includes lots of
> data outside of my area of interest.
>
> My question is thus: is it possible to cut out the bounding box from the
> diff file before calling osm2pgsql? If I understand correctly, the
> bounding-box task (
> http://wiki.openstreetmap.org/wiki/Osmosis/Detailed_Usage#--bounding-box_.28--bb.29)
> only works on planet files, not diff files. Correct?
>
> Is there a way to get the following process working:
>
>    1. Get the last hourly diff file
>    2. Extract from the diff file all the objects within my bounding box
>    3. Apply this to the PostGIS database with osm2pgsql
>
> Thanks in advance and best wishes
>
> Stéphane
> --
> "Le mot progrès n'aura aucun sens tant qu'il y aura des enfants
> malheureux" -- Albert Einstein
>
> "A journey does not need reasons. Before long, it proves to be reason
> enough in itself. One thinks that one is going to make a journey, yet soon
> it is the journey that makes or unmakes you." -- Nicolas Bouvier
>
> Photos de voyages, photos de montagne: http://www.henriod.info
>
>
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