On Wed, Mar 16, 2016 at 9:25 AM, Philip Barnes <p...@trigpoint.me.uk> wrote:

> In an ideal world I would agree, but we don't live in one and in some
> cases such as medieval building layout it can be incredibly difficult to
> work out what roofline belongs to which building.
>
Yes, it is often difficult, if not impossible, to tell whether one is
dealing with one or several buildings. We should do our best make the
determination and go with it.

>
> I would say its ok, and better than not mapping buildings at all, then you
> can always improve it after more surveys.
>
What I have seen is entire blocks mapped as a building in a rather sloppy
fashion when it obviously contains many buildings as well as areas where
there are no buildings.

>
>
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