Hi,

On 01/23/12 22:33, Morten Olsen Lysgaard wrote:
My project is going to need a tileserver in the future anyway, maybe
it's time to start using that.
Then new architecture would be:

Ambitious.

* A tile-server that generates raster-maps based on the rails-port database

This is not how it is usually done; you will first have to make a database with geometry objects from your rails port database. The usual way is a "planet export" from the rails-port database and then an osm2pgsql import into a separate database (or imposm instead of osm2pgsql if you don't need updates).

* Some sort of application that answers to wfsGetFeatureInfo requests
and returns all the tags and relations tags about objects.

This last point is the missing bit, how can I achieve this? Do I have to
code something from scratch or has anything like this been done before.

The simplest way would probably be tweaking osm2pgsql/imposm so that the information that you care about is copied into the geometry tables, most likely making a separate geometry for each relation (e.g. this is how route relations are turned into geometries for things like OpenCycleMap) but possibly also merging the information from several relations into one resulting geometry object. That way, you can then run a simple Mapserver or Geoserver installation and GetFeatureInfo will magically work.

Bye
Frederik

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