[OSM-newbies] Boundaries and Roads

[Jason Cunningham]

On 8 April 2012 16:12, John Sturdy <jcg.sturdy at gmail.com> wrote:

> On Sat, Apr 7, 2012 at 7:24 PM, Dudley Ibbett <dudleyibbett at hotmail.com>
> wrote:
>
> > Should I try and draw the field boundary along the road in all
> situations or
> > only do this when there is a large gap > 3m?
> >
> > If I don't draw the field boundary along the road should I link to the
> road
> > or should I stop the boundary just short of the road?
> >
> > Some guidance would be appreciated as I don't want to link boundaries to
> > roads if this could cause problems.
>
> I think practices vary on this; I prefer to make them separate, partly
> because the "road" is just the midline of the road, which is not where
> the field ends, and partly for practicality of later editing: that
> it's hard(er) to select a way that uses the same points as another
> one.
>
> What I've found is quite easy, and I think looks reasonably neat, is
> to use the "make a parallel way" tool (in Potlatch, I haven't learnt
> JOSM yet but I expect it has this too) to take a copy of the road, and
> move it slightly aside to where the field boundary is, and cut it to
> be just the piece you need for that field; then turn it into whatever
> kind of barrier there is around the field (hedge, fence, etc) and also
> use it as the edge of the field.  (That doesn't follow my suggestion
> of making each way separate for easier selection, but I think it's
> less likely to want to do things separately to the field and its
> barrier, than to want to do things separately to the field and the
> neighbouring road.)
>
> __John
>

Areas attached to roads are one of my pet hates in OSM, in large part due
to the difficulties in editing things later on.
I agree with John's statement that highways mark the centreline of the
road, and as far as I'm concerned giving the edge of the field as the
centre of the road is misleading.

Jason
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