Maybe anything that touches I'd < 10 or something gets automatically banned and an email to the user?
Steve stevecoast.com On Apr 10, 2011, at 10:03, Tom Hughes <[email protected]> wrote: > On 10/04/11 17:47, Jochen Topf wrote: > >> GET http://api.openstreetmap.org/api/0.6/node/1/history tells me this: >> >> <osm version="0.6" generator="OpenStreetMap server"> >> <node id="1" lat="2.0" lon="2.0" changeset="9257" user="τ12" uid="1298" >> visible="false" timestamp="2006-05-10T18:27:47Z" version="1"/> >> <node id="1" lat="50.1249473" lon="14.4557581" changeset="196013" >> user="tacut" uid="113502" visible="true" timestamp="2009-04-04T10:01:54Z" >> version="2"> >> <tag k="name" v="Metro C - Kobylisy"/> >> <tag k="wheelchair" v="yes"/> >> <tag k="railway" v="subway_entrance"/> >> </node> >> <node id="1" lat="2.0" lon="2.0" changeset="524633" user="woodpeck" >> uid="5164" visible="true" timestamp="2009-04-14T15:42:57Z" version="3"/> >> <node id="1" lat="2.0" lon="2.0" changeset="1767082" user="Ldp" >> uid="48796" visible="false" timestamp="2009-07-07T22:44:41Z" version="4"/> >> </osm> >> >> How exactly am I to interpret this? Why are some visible="true" and some >> visible="false"? The visible="false" on the last version tells me the node >> is deleted. But what happened before? Does the visible="false" on the first >> version mean it was deleted before it was re-created as version 2? For a >> deleted node, does the timestamp refer to the creation or the deletion? > > Here goes... > > The real node 1 should be somewhere in the Regents Park area of London but it > has a history of being accidentally changed by badly written imports and bots > which just make up IDs starting at 1 and things. > > It looks like in May 2006 it was deleted - it was already at a silly location > so had probably already been the victim of a rogue client. We have no history > before that online because history was wiped when we went to api 0.5 in > October 2007. > > It was then resurrected by somebody uploading a valid node 1 in April 2009 > (just a few days before api 0.6 went live with version checks to make these > accidental overwrites harder). > > Frederik obviously noticed this and reverted that changeset, moving the > object back to it's previous position again but not actually marking it as > deleted. Eventually Lennard came around and deleted it again. > > If you look at changeset 196013 you'll see it is just an upload of nodes 1 > through 17 so a classic bad import. Those 17 nodes are then moved back again > in Frederik's changeset. > > Tom > > -- > Tom Hughes ([email protected]) > http://compton.nu/ > > _______________________________________________ > dev mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/dev _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev

