Yep, the merge task ;-)
The full set of tasks are defined here:
http://wiki.openstreetmap.org/wiki/Osmosis/DetailedUsage
To merge two files it's something like:
osmosis --rx file2.osm --rx file1.osm --merge --wx merged-file.osm
The merge task has a conflictResolutionMethod but the default value
should be fine for your purposes.
Mikel Maron wrote:
Great! That works.
Another osmosis question .. is there any way to merge two osm files? I
now have an osm for Pakistan and California, and I want to load both.
However there is a warning about duplicate key constraint violation ..
somehow both Pakistan and California share a node.
-Mikel
------------------------------------------------------------------------
*From:* Brett Henderson <[email protected]>
*To:* Mikel Maron <[email protected]>
*Cc:* Shaun McDonald <[email protected]>; [email protected]
*Sent:* Thursday, July 30, 2009 5:55:06 PM
*Subject:* Re: [OSM-dev] CloudMade OSM download problems
Importing into an OSM instance is always problematic due to the
foreign key relationships. They're a good idea in the central
database, but difficult to satisfy when working offline with extracts
and changesets.
OPTION 1
If you're just trying to import a one off extract into the database
you can use osmosis to fix the referential integrity problems.
osmosis --rx myfile.osm.gz --bbox clipIncompleteEntities=true --wx
myfixedfile.osm.gz
That should modify ways to only refer to nodes that actually exist.
No coordinates have been passed to the bbox task so it will select the
entire planet (or in this case, the entire input file). Note that
modified ways will no longer match the main API ways exactly so they
should never be uploaded back to the main database.
OPTION 2
If you wish to apply changesets to your database to keep it up to date
you'll probably need to drop the problematic foreign key relationships.
Brett
Mikel Maron wrote:
Trying to import into psql for an OSM dev instance. Using osmosis.
------------------------------------------------------------------------
*From:* Shaun McDonald <[email protected]>
*To:* Mikel Maron <[email protected]>
*Cc:* [email protected]
*Sent:* Thursday, July 30, 2009 4:30:22 PM
*Subject:* Re: [OSM-dev] CloudMade OSM download problems
What are you trying to import the extracts into?
Shaun
On 30 Jul 2009, at 20:47, Mikel Maron wrote:
Hi
Anyone else have issues with the latest .OSM extracts from CloudMade?
I've tried importing Pakistan and California locally, and both files
have references to nodes that aren't present.
Fortunately GeoFabrik has a Pakistan extract that works. If anyone
can help with a California extract, that would be super.
-Mikel
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_______________________________________________
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