[Talk-us] [Warning: Potential Flamewar] Clarifying InterstateRelations
Jeffrey Ollie
jeff at ocjtech.us
Wed Mar 10 16:17:18 GMT 2010
On Wed, Mar 10, 2010 at 9:47 AM, Apollinaris Schoell <aschoell at gmail.com> wrote:
>
> but a us highway can't have an y node with lat/lon in another country.
> this has been said many times here. we have boundary polygons and this is 100% defined where a road is. in older times is_in tags have been used as a cheap way to add such info but this is deprecated. the beauty of osm is the freeform tagging. there is absolutely no need to pack in all info in a single tag. if for any reason the US should be included use another tag and leave the network just with the correct value.
The problem with using boundary relations is that you may be operating
on extracts that don't contain the boundary relations that you need to
determine which country you are in.
--
Jeff Ollie
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