[OSM-dev] Advice sought on polygon-with-hole drawing

[Robert Vollmert]

On Fri, Mar 14, 2008 at 11:39 AM, bvh <bvh-osm at irule.be> wrote:
> I disagree. Requiring mappers to add two ways that overlap
> completly is with the goal of making the math simpler is
> shifting the burden from software to users.

On Mar 14, 2008, at 16:32, 80n wrote:
> Sometimes this is unavoidable.  Consider a commercial area  
> (landuse=commercial) surrounded by a residential area  
> (landuse=residential).  It's not possible to create a single way  
> that can be used as the boundary for both these features as they  
> would both need to specify different values for the landuse tag.

There's no need to put a landuse=residential on the way surrounding  
the commercial area. Putting tags on the outer way suffices.

Cheers
Robert