[OSM-dev] Coastlines and water - contact and technical

[Lennard]

Ben Supnik wrote:

> First, does anyone know the ongoing status of the coastline error 
> checker?  The error check appears not to have run on newer data than 
> May, and the wiki page indicates no contact since June.  Does anyone 
> know either what the status of the error checker is or who to contact 
> about it?

The maintainer has been contacted weeks ago, but the server it ran on 
(hypercube) was then still down. I don't know the current status, and 
whether he has looked into it.

> Second, a technical question: from what I read, Mapnik does not yet 
> support multipolygons.

Sure it does, just not every iteration of the 'advanced multipolygon' 
that's described on the wiki page. A basic 'area with holes in it' works 
just fine.

> My question is...how does Mapnik know the "order" of islands and lakes 
> inside land?  I was looking at an island inside a lake...both ways are 

Your run of the mill multipolygon relation with an outer and one or more 
inner role ways.


-- 
Lennard