[Talk-us] Cloudmade california.osm: dups or osmosis bug?

[Mike N.]

Thanks for the patch - I'm also running into random dupes on CloudMade 
extracts for my state.

> Not sure if it's related, but I noticed that many of the CloudMade
> extracts can't be processed using osmosis (even though they're
> generated with osmosis), except for the operations that don't try to
> validate the order of elements.  It seems they often contain
> consecutive elements with the same id, but possibly different version.
> I have a little patch (attached) to add a new filter (--ff) that
> "flattens" the file.  It does the same operation on sorted entity
> streams as --simplify-change does on change streams, unfortunately
> "--simplify" is taken by a different operation now.  I decided it was
> faster to modify osmosis than to download the planet and make my own
> un-broken extracts.