[OSM-talk] Making the sea blue in mapnik [getting there]

[David Groom]

----- Original Message ----- 
From: "Martijn van Oosterhout" <kleptog at gmail.com>
To: "OSM" <talk at openstreetmap.org>
Sent: Saturday, November 03, 2007 10:32 PM
Subject: [OSM-talk] Making the sea blue in mapnik [getting there]


> I've been looking into making the sea around NL blue in mapnik and it
> seems what needs to be done is to fix the shapefiles that describe the
> coastline. However, as anyone who has imported coastlines knows, the
> quality of the data at that level is pretty poor. To fix it you have
> to do the same work as someone who imports the data into the DB. So I
> figured, why not just extract the coastlines out of the DB and turn
> them into shapefiles?
>
> Anyway, I've done this and have something working. However, it's not
> quite there yet, I need to run the equivalent of close-areas over it.
> My initial goal is to get the entire coastline of western europe
> working (well, maybe NL first) because the coastline there is almost
> completely imported. See this image:
>
> http://kleptog.org/temp/image.png
>
> White is areas that are properly closed, the black lines are unclosed
> areas but continuous and the red dots are places where the coastline
> is discontinuous. These need to be fixed so that the coastline is a
> single unbroken line.
>
> To acheive this goal only bits near portugal need to be imported, as
> well and fixing problems near italy and greece. (please coordinate
> this, not everyone at once).
>

Ill do the eastern edge of the Black Sea, unless I hear someone else has 
started it

David


> Hopefully within a week we can have nice seas on mapnik, even at high 
> zoom...
>
> Have a nice day,
> -- 
> Martijn van Oosterhout <kleptog at gmail.com> http://svana.org/kleptog/
>