On 2020-11-01 23:09, Kai Michael Poppe wrote:
> Hi Colin, Hi BD,
>
> as I live in a country with the maximum "anomality" are different 5-digit
> postcodes along a street (or sides of said street) I find different codes per
> building strange to say to least.
>
> I'd go for:
> * Remove addr:postcode= from the building's area and add a note=This building
> has two postcodes, X and Y
> * Add two new nodes within the area of the building (not connecting to the
> area), add all addr:*= with the respective postcodes and add a note=This
> building (link to way/area of building) has two postcodes, this node is for
> levels A thru B.
> * Change the Note in the area to display the links to the Postcode Nodes.
I would recommend leaving this to UK mappers who understand the UK
postcode system.... Postcodes don't indicate buildings in the UK - they
indicate postal delivery points. Don't try and find logic where none
exists...
The relationship is n:m. You cannot ask "what is the postcode for this
building" - you have to ask "what postcodes have a delivery point in
this building". You cannot ask "which building does this postcode
indicate", you have to ask "which buildings have a delivery point with
this postcode."
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