[OSM-dev] OSM APIs?

[Stefan de Konink]

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Graham Jones wrote:
> Your application looks very much like what I am thinking of making - I
> like the idea of being able to write the SQL directly for testing.
> Which database is it using?

...MonetDB ;) And it is published online by using Cherokee's DBSlayer
implementation.

> I have started to write an XAPI compatible interface to an
> osmosis-generated postgresql database as a simple python web server.  
> It nearly works - just need to de-bug the regular expressions I am using
> to parse the URL - my 'off the shelf' python code expected a CGI syntax,
> so it needs a bit of modification to do XAPI....It looks like you may
> already have something similar?

DBSlayer takes /query and basically can output to json, php, ruby,
python and xmlrpc. Since it uses the Cherokee loadbalancer principle it
is easy to balance between databases.

> I would like to get to the state where I can use the same postgresql
> database for querying map data via XAPI (or other interface), and
> rendering it using mapnik.  I haven't looked at how to use the osmosis
> postgresql schema for mapnik yet.

I think the real XAPI syntax is nothing more than a bad XPath
implementation. I have created that aswell before, but I think what I
has set up now is much more efficient and gives more power to the user.
Ofcourse also to break it.


Stefan
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