[OSM-talk] Mirror Strategy Question

[Frederik Ramm]

Hi,

On 12/07/11 11:30, Frans Thamura wrote:
>> 3. produce an Indonesia data extract that has all data for Indonesia
>> and that other people can download?
>
> that is my idea, i will try to promote to GIS vocational highschool ,
> make them official contribute

There are several tools you can use for that. The most commonly used is 
Osmosis. You will have to make a "polygon file" that describes the 
cutting boundary (e.g. the one attached below), then you can cut 
Indonesia from your planet file with

osmosis --read-pbf planet.osm.pbf --bp file=indonesia.poly --write-pbf 
indonesia.osm.pbf

Then if you update your planet.osm.pbf, you can again use Osmosis to 
derive a diff between the old indonesia.osm.pbf and the new 
indonesia.osm.pbf, and make that diff available to your downloaders.

Note that all this is only for normal files, and not for database and 
API and so on - you would be offering an "Indonesia" file for download, 
not API access to a database.

Bye
Frederik


polygon
1
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    1.409950E+02   -9.569642E+00
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END
END