[OSM-talk] Funny Mapnik rendering of lakes

[Dermot McNally]

On 13/08/07, Jon Burgess <jburgess777 at googlemail.com> wrote:

> I found a minor problem with the data which meant the way overlapped
> itself at 2 places. The points of overlap were very tiny but enough to
> confuse the osm2pgsql code and result in the bad rendering. I have
> attached 2 screenshots showing the problem data in JOSM.

That makes sense. This lake was traced with the excellent lakewalker.
I usually do a manual check of the banks to look for stuff like this,
but I can't actually recall doing it in this instance. I'll know what
to check next time I see this in Mapnik.

Thanks,
Dermot