On Wed, Aug 19, 2009 at 9:50 PM, Frederik Ramm <frede...@remote.org> wrote:
> > But I think we > > need some sort of "find duplicate nodes, and if they match > that was I believe the intention. > > properties, > > or just have different massgis import dates, merge them" bot. > or even same date but different time stamp. This duplication is intrinsic to the MassGIS format that was imported - each town was a separate dataset. There are roughly 7.1 million nodes in Massachussetts, and 270k of them > share the same location as another node. This is just an analysis based > on location, not on tags, but it can be assumed that most of those 270k > nodes are not intentionally duplicate. they are intentionally duplicate in massGIS and uslessly duplicate in OSM afaik from what Chris has said of the import. > It is possible that there are > duplicate ways as well. not afaik. the vast majority are town border exact matches and probably some at on ramps. > > This is > beyond my clue level presently. > But it is not a big problem, it is something > that could be fixed in a day. > I thought Chris had the beginings of a script that would do this. It is possible that if Lars, Shankar and I spent some tuits looking at Frederik's script we could mutate it to do this. It would be a nice example for the Boston.PM presentation next month. I think he said it was uploaded to a git host or somewhere? -- Bill n1...@arrl.net bill.n1...@gmail.com
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