The database we use in German Carto style uses a slighty different table layout which is able to render localized maps.
Thus if you want to create indexes you will also need to apply
indexes-hstore.sql instead of indexes.sql.
To do the actual rendering we use views which will also allow for rendering the unmodified upstream OpenStreetMap Carto style.
For this purpose we do also provide a branch called upstream+l10n which are localization only changes to Openstreetmap Carto.
Master branch will do localization and other visual German style changes.
For database import, the localization code from https:/giggls/osml10n and osm2pgsql 1.7.0 or higher are required.
The import command looks like this:
osm2pgsql -O flex -d osm -S openstreetmap-carto-hstore-only-l10n.lua planet-latest.osm.pbf
See osml10n installation instructions for details.
If you want to change the target langugage from German to another language using latin script change the 'lang' variable in openstreetmap-carto-hstore-only-l10n.lua fron 'de' to your desired language ('en', 'fr', 'es', ..).
The database layout of the git master branch is aiming to be compatible witch openstreetmap-carto 5.x
The actual rendering is done using database views providing virtual columns instead of using the tables generated by osm2pgsql. These views have to be created after the initial osm2pgsql data import using the provided SQL files as follows:
psql -d osm -f views_osmde/view-line.sql
psql -d osm -f views_osmde/view-point.sql
psql -d osm -f views_osmde/view-polygon.sql
psql -d osm -f views_osmde/view-roads.sql
For convenience reasons you can also use the provided shell-script for the generation of the views as follows:
./views_osmde/apply-views.sh osm
For compatibility reasons, the views are given the same name as the default osm2pgsql tables used in upstream Openstreetmap Carto style!
Thus an unmodified version of the upstream style will also work fine using this slightly different database layout.
The style is currently developed using Debian GNU/Linux 12.
To actually use this style you need to generate osm-de.xml from project.mml.
The easiest way to do this is using make!
It is also possible to use Magnacarto or
Kosmtik.
Both projects can use project.mml directly.