[Tagging] To mark as covered, or to not mark as covered?

[Richard]

On Thu, May 28, 2015 at 03:29:53PM -0500, Brad Neuhauser wrote:
> On Thu, May 28, 2015 at 2:57 PM, Richard <ricoz.osm at gmail.com> wrote:
> 
> > On Thu, May 28, 2015 at 01:09:56PM -0500, Brad Neuhauser wrote:
> > > If this is like many fuel stations, it's probably just a roof with no
> > > walls. Typically, I've seen those tagged building=roof. In that case, the
> > > covered=* tag seems redundant.
> >
> > true, but I consider building=roof somewhat poor as the roof isn't
> > usually floating in the air but there are pylons, sometimws one or
> > more walls and often a building attached.
> >
> >
> > does it make a difference whether the roof is attached to walls (or a
> building), or whether it's on pylons? the wiki for building=roof says it
> can be used when a structure is open on at least 2 sides, which would seem
> to include a structure with no walls.


building=roof with walls + layer=1 does not look clean and could cause 
routing problems.

Richard