[OSM-dev] Multilingual Maps Overlays

[Peter Körner]

Thomas Petazzoni schrieb:
> Hello Peter,
> 
> On Wed, 16 Jun 2010 12:31:33 +0200
> Peter Körner <osm-lists at mazdermind.de> wrote:
> 
>> In a attempt to reactivate the Multilingual Maps Project, I started a 
>> testcase with language overlays instead of complete language
>> maps. This should save a lot of RAM (loading all 270+ map styles took
>> ~16GB of Memory only for renderd).
>>
>> It's still rendering the low-zoom tiles so it is very slow. I also
>> activated only three language overlays to test the setup but the other
>> stlye-files are already in place and will be activated one after another.
>>
>> So feel free to play around and give comments:
>> http://toolserver.org/~osm/locale/
> 
> Nice!
> 
> Did you modify osm2pgsql in order to import multiple name:XX tags into
> the PostGIS database ? How is the PostGIS database layout modified ?
I'm using the --hstore option of the recent osm2pgsql source. A german 
tutorial on how to set things up is in the wiki, the commands can help you:
<http://wiki.openstreetmap.org/wiki/DE:HowtoMinutelyHstore>

> I'm working on the MapOSMatic project, and we receive requests from
> people willing to render maps with street names in different languages.
> Unfortunately, as far as I understood, for the moment, only the main
> "name" tag is imported into the PostGIS database by osm2pgsql. So I'm
> wondering how you achieved this multilingual rendering.
Using the hstore we have an indexed column, containing all tags with all 
values from the main osm db.

Peter