[Tile-serving] how to expedite coastlines shapefile updates?
penorman at mac.com
Sun Apr 14 00:06:04 UTC 2013
shoreline_300 doesn't need regular updates, it's only used at low zooms. It
is just a simplified version of processed_p. I'm not sure off-hand exactly
what zooms it is used at, but I doubt
If this is historical, as I presume, you need to set up your own coastline
generation process. This would consist of running coastcheck or OSMCoastline
on a planet file. For the full OSM data, this process takes 1-2 hours once
you have the planet file.
I haven't benchmarked them on comparable hardware, but OSMCoastline is
reported to be a bit faster.
https://github.com/gravitystorm/openstreetmap-carto/issues/39 may relevant
to using the coastline files.
From: Jeff Meyer [mailto:jeff at gwhat.org]
Sent: Saturday, April 13, 2013 3:51 PM
To: tile-serving at openstreetmap.org
Subject: [Tile-serving] how to expedite coastlines shapefile updates?
Hi - I'm trying to figure out the best way to set up a rendering chain that
reflects changes to shorelines relatively quickly. The use case here is
getting rid of man-made features and coastal landfill that are currently
reflected in OSM in urban areas.
I've set up an OSM stack that won't be using data from planet.osm, which
means I won't be able to take advantage of automatic updates to processed_p
and shoreline_300. The rest of the stack is pretty vanilla - rails,
mapnik/renderd, minutely updates, etc.
Any advice on how to set up something like this?
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