[OSM-talk] Landuse areas etc. abutting highways

John Smith deltafoxtrot256 at gmail.com
Tue Oct 6 14:09:54 BST 2009


2009/10/6 James Livingston <doctau at mac.com>:
> On 05/10/2009, at 8:18 PM, Marc Schütz wrote:
>> IMO (a) is the correct way to do this.
>  ...
>> For a road, we can either choose to map it as a linear object (this
>> is the common case), or we can map its geometry more exactly by
>> using an area. In both cases, however, the object in our database
>> represents the entire road (i.e. not only the middle line). Because
>> in reality, there is no gap between the road and the areas next to
>> it, there shouldn't be one in the database either.
>
> I agree with this, for things like landuse (which is what is mentioned
> in the topic) where the road is represented by a way. A residential
> area or farming area abuts the road reserve, so the polygon should
> abut the road's area or way.

> If you're actually mapping the road and not the road reserve, so

Does anyone actually map the road reserves?

Some people are marking the landuse hard up against roads, but this
isn't correct since the property boundary never touches any roads, at
least none that I'm aware of, and foot paths etc use the same land use
area as roads.




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