[OSM-dev] ways with 'spurs'

[Artem Pavlenko]

Baz,

> I've come across some ways that go:
>
>    A -> B -> C -> B -> D
>
> Shouldn't they be done as:
>
>    A -> B -> D, with a separate way B -> C?
>
> On a more general note, is there any ongoing work to clean up the 'raw'
> database so there are no zero length segments, looping/branching segments.
> I know I've seen it mentioned a few times. If we can't rely on a clean
> starting point I can see loads of duplicate developments for handling these
> kind of cases....

Latest osm2pgsql outputs 'clean' geometries ( as in 'Simple Features for 
SQL'). Well, appart from way 4229618 (I'm looking into this)

Still, it would be nice to validate data at the entry point, too.

Cheers,
Artem