On Mon, Aug 13, 2012 at 12:27 PM, Mike N <[email protected]> wrote: > On 8/13/2012 12:48 PM, Martijn van Exel wrote: > >> The main new thing is that it now shows deleted ways as well >> > > Very nice - this map and Toby's are very useful. I see that the > deleted ways are purple. > > One thing I have noticed is that it would be nice to detect a new > roadway having been added under the old deleted roadway, and automatically > remove the notification. > > Interesting idea. My US database is currently catching up with reality, so I can't really try until that has completed, but I do have an idea how to make that work. Without relying on human tagging like in the Inspektor. What I would do is select all (current) ways that overlap the bounding box of the deleted way and that are created after 7/15, then calculate the hausdorff distance between the deleted way's geometry and the results of that query. If we get a close match, it is *very likely* that the way has already been remapped. Identical highway= tags may further corroborate this. What I am not so sure about is using the non-compliant geometry and tags this way, from a legal perspective. Anyone who can offer any ideas on that?
Martijn -- martijn van exel http://oegeo.wordpress.com
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