[Talk-GB] Coastline - my botched attempt to re-align ?

Shaun McDonald shaun at shaunmcdonald.me.uk
Fri Oct 23 13:14:18 UTC 2015


The coastline is updated at a much slower pace compared to everything else, so it's expected that it won't align for some time in the map rendering. It could be days, weeks, or months between coastline updates, and not minutely updates like all of the other OSM data. So don't worry about it, the coastline will update in due course.


> On 23 Oct 2015, at 14:02, Bogus Zaba <bogsub at bogzab.plus.com> wrote:
> A seawall was recently re-built in west Rhyl. As a result, and following
> two GPS surveys, earlier this week (Tue 20/10) I moved three features on
> the coast in West Rhyl. These were : the coastline, the boundary of a
> beach and the route of a cycleway which follows the new seawall.
> The cycle route and the beach boundary now render correctly on Mapnik
> and on the cycle map. However the coastline appears to follow the
> previous version (complete with some characteristic details which used
> to describe coastal structures on the old seawall). This has led to a
> rendering which shows a sliver of sea inland of my new coastline, beach
> and cycleway. See here:
> http://www.openstreetmap.org/#map=16/53.3173/-3.5020
> If I import the current OSM data into JOSM I can see no reason why this "ghost" coastline should appear in any 
> rendering. There are no ways shown in the area where Mapnik and the Cyclemap show this sliver of the Irish Sea.
> Anybody suggest what I have done wrong and how to right it?
> Thanks
> bogzab
> -- 
> Dr Bogumil N Zaba
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