[Tagging] [Talk-us] shared driveways

[Anthony]

On Sat, Nov 21, 2009 at 3:08 PM, Frederik Ramm <frederik at remote.org> wrote:
> Hi,
>
> Anthony wrote:
>> If you can outline a perimeter, you don't need a relation.
>
> Care to elaborate?

The elements which are within the perimeter can be calculated from the
perimeter itself.  It's redundant to have the same information
expressed twice, and doing so will only lead to conflicting data.