[josm-dev] self-intersecting ways

[Dirk Stöcker]

On Fri, 5 Mar 2010, Teemu Koskinen wrote:

>> The method to leave a little space beside the road is broken by design
>> and as geodesy is my profession I have the little advantage that map
>> making is a part of my profession. Databases where one feature did not
>> directly join with the next one cause and caused a lot trouble in GIS
>> and will also cause in OSM (when we start to use the data for something
>> else beside making a map).
>
> But that is not mapping what's on the ground, on the ground the landuse
> does not extend to the center of the road. OSM is not GIS, and it
> shouldn't be.

Mapping also means generalizing. This means you do NOT map what is EXACTLY 
on the ground, but you map what it means and is sensible.

> Definitely not, IMO the warning should be elevated to an error, when
> dealing with wide linear features (roads, rivers, etc.).

It is no error in any case. Ways and lines can overlap. Why should that be 
an error?

Ciao
-- 
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