[OSM-talk] Bad coastline data
reviews at pacific-rim.net
Sat Mar 24 15:51:15 GMT 2007
----- Original Message -----
From: "Bruce Cowan" <bruce.cowan at dsl.pipex.com>
To: <talk at openstreetmap.org>
Sent: Saturday, March 24, 2007 3:28 PM
Subject: [OSM-talk] Bad coastline data
>I have noticed many cases where there are holes in the coastline data.
> One such area is Oban, where the coastline data has the tag
> Another area was the island of Cumbrae, which had a large coastline
> hole in it until I filled it in with reference to landsat.
> Since Scotland (especially the West Coast) has a lot of coastline, these
> holes are concentrated here.
> I assume the PGS data is automatically generated from satellite photos,
> and in these cases, there was a cloud in the way.
That is correct, the west coast of Scotland was particularly bad for cloud
cover and loss of coastline data in the PGS files .
> Bruce Cowan <bruce.cowan at dsl.pipex.com>
> talk mailing list
> talk at openstreetmap.org
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