[Tagging] Housenumber interpolation with regularlyskipped numbers

Mike N. niceman at att.net
Mon Oct 12 21:48:30 BST 2009

I'll have to admit that I haven't been surveying for *missing* numbers - I 
have been only collecting the beginning and end of each group.   A search by 
address number would yield quite an accurate location.   But the reverse 
case, using my data in the OSM database as a postal mailing address 
validator would fail.   In my mind, having a navigable address would be more 
useful than nothing,  (or in the US, an obfuscated Tiger address).

>Actually, I'd say the interpolation is *better* than mapping each
>individual store, because the store numbers are going to change, and
>14409 might be added, because 14407 splits into two, and if someone
>wants driving directions to 14409 they ought to be given an
>approximate answer, not told "address does not exist".

   I would add to this sites with new construction - I can generally tell 
the entire area of a new subdivision addressing scheme when it is partly 
complete.  I can create an address interpolation way that will not be 100% 
accurate because it includes empty, future houses, as well as lots that will 
never contain a house for a number of reasons, however it is useful for 
navigation long before the commercial companies include it.   The existence 
of an address interpolation way in my mind was a marker that a final survey 
is needed before creating individual house number nodes.

   There are plans in the US to import Tiger address interpolation 
information - which is intentionally obfuscated for privacy reasons by law. 
Tobias mentioned a possible tag  interpolation:complete=yes to represent 
fully accurate address interpolation, which sounds like a simple solution. 
If it is necessary to tag estimated address interpolation differently, it 
would be good to know before the Tiger address interpolation import begins.


More information about the Tagging mailing list