[OSM-talk] osm2pgsql diff application with filtered OSM data

[Nick Whitelegg]

... sorry, when I say "full planet extracts" I mean only England, Wales, Scotland, Ireland (all) and Greece - not the entire planet.

Thanks,

Nick

________________________________
From: Nick Whitelegg
Sent: 08 November 2018 14:34:17
To: osm-talk
Subject: osm2pgsql diff application with filtered OSM data



Hi,


Looking towards overhauling the import system I use for my Freemap site (free-map.org.uk) which is itself going to go through an overhaul in the near future by moving to Tangram and hopefully applying hill shading.


At the moment I download full planet extracts about every 6 months. However, due to the limitations of my server, I filter out (with osmosis) a lot of stuff I don't need so that I am basically left with roads, footpaths, natural features, water features and selected POIs.


I'd like to move towards a system which applies diffs from geofabrik instead, and applies them regularly (daily or weekly) with osm2pgsql.


My question is this; given that not everything in the diff will be in my database (as I filter out what I don't need during the import process), will osm2pgsql apply the diff successfully or will it complain that not all features in the diff are in my database?


Thanks,

Nick

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