[OSM-dev] openstreetmapdata.com

Preet prismatic.project at gmail.com
Mon Mar 11 02:33:34 UTC 2013


First off, thanks to Jochen for creating such an awesome service. The
hardware I have isn't really capable of extracting coastlines from
planet.osm in any reasonable amount of time, so having updated data
available is invaluable for me!

I had a question about one of the notes on the coastline data:

"The coastline in OpenStreetMap is often broken. The update process will
try to repair it, but this does not always work. If the OSM data can't be
repaired automatically, the data here will not be updated."

What does this mean exactly? Is there a chance poorly defined coastline
data won't be seen in the resulting shapefile? ie, could there be chunks of
coastline simply missing? Or is there a 'decent' baseline, and only newly
updated coastline data that's bad won't be processed to reflect the changes?

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