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I'm using a PGRouting database originally built with osm2pgrouting from a *.osm file downloaded from Mapzen.

If I want to update the OSM data in that database, ie. re-build my PGRouting Database, what's the best workflow to accomplish this?

Also: I'm not married to the manual download of the *.osm file, so a solution involving osm2pgsql would be fine with me too.

  • I'm currently trying to work on the same thing. I have yet to find a working solution, but I suspect it is something along the lines of: obtain preliminary osm.pbf -> osm2pgsql -> (change sets can be applied here with Osmosis --read-replication-interval) -> back to a (changeset-applied) osm.pbf from PostGIS with osmosis --read-psql -> then finally use osm2pgrouting with a drop option. Essentially, you use osm2pgsql and osmosis to handle changesets to a non-pgRouting OSM PostGIS table, and then create a new osm.pbf to re-create your pgRouting topology from scratch each update. – Richard Law Jun 4 '15 at 3:00
  • However I can't actually get this to work, and examples are thin on the ground. Please update this question if you make any progress. – Richard Law Jun 4 '15 at 3:02
  • @alpha-beta-soup would the 'clean' option work? I'm going to pull the trigger on that soon just to see if it works - according to pgrouting.org/docs/tools/osm2pgrouting.html, clean will " drop peviously created tables" – DPSSpatial Jun 4 '15 at 17:13
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Turns out the 'clean' option does the trick, as per the osm2pgrouting documentation waaaay at the bottom:

all available parameters are:

required:
-file -- name of your osm xml file
-dbname -- name of your database
-user -- name of the user, which have write access to the database
-conf -- name of your configuration xml file

optional:
-host -- host of your postgresql database (default: 127.0.0.1)
-port -- port of your database (default: 5432)
-passwd -- password for database access
-clean -- drop peviously created tables

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