[Tagging] Equivalence relation

M∡rtin Koppenhoefer dieterdreist at gmail.com
Tue Jan 11 23:26:30 GMT 2011

2011/1/11 Richard Mann <richard.mann.westoxford at gmail.com>:
> On Tue, Jan 11, 2011 at 1:50 PM, Pieren <pieren3 at gmail.com> wrote:
>> Like the "is_in", "adjacent" sounds horrible for spatial applications
>> working with spacial database where all elements already have spatial
>> coordinates.
> I agree for nodes and polygons. Ways next to other ways aren't
> so-easily capable of spatial analysis, however.

and as long as we don't have height coordinates as well, you will have
problems to calculate it because they could be on different elevation


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