[OSM-talk] Invisible coastline errors in Potlatch
cartinus at xs4all.nl
Wed Dec 31 18:20:26 GMT 2008
On Wednesday 31 December 2008 18:40:18 Peter Miller wrote:
> Dodgy circular ways
> There are a number of islands off the Swedish coast that are showing
> up as errors:
> If one switches to a OSM view
> ) one can edit them. Using 'h' I can see that they haven't been
> touched for months, however if I click on them the tagging looks fine
> and the way is shown as circular.
> Here is the history of one of them:
> Notice that the way appears to be a triangle, but that the way has
> four points on it.
> If it does have an extra segment in the way then why does it show up
> as a circular way in Potlatch? The simples thing will probably be to
> delete them and recreate them but I though it was worth pointing it
> out first.
With any circular way the first and the last nodes are the same. So to define
a triangle you get four nodes in the xml.
Those Swedish islands show up as errors because they are too small. Anything
with a diameter of less than approximately 10 meter shows up as an error.
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