[OSM-talk-be] Robot pour CP manquants à Bruxelles - A bot for missing postal codes [FR-EN]

[Marc Ducobu]

On 7 December 2015 at 18:30, Glenn Plas <glenn at byte-consult.be> wrote:
> On 06-12-15 18:25, Bruno Veyckemans wrote:
>> OK, Thanks for your answers.
>>
>> I understand that some of you consider postal code as redundant
>> information in Belgium. Maybe it is... but I'm not 100% convinced ;-)
>
> I consider repeating addr:postcode on every bloody building (node or
> way) in OSM a severe waste of resources, not only in size of the databse
> but also in efforts by mappers... relations are exactly meant to make
> your live easier by not repeating the same information over an over
> again that can easily be derived from existing data itself.
>
> You really don't have to calculate it....  http://overpass-turbo.eu/s/d8S
>
> The only reason I believe it is useful is when a bordercase goes wrong
> and you want to help geocoding/reverse geocoding a bit.
>
> You don't repeat addr:city or addr:country and on every node/building in
> Belgium either, we know where it is by using the coordinates.  It's the
> same for postal codes once you have the boundary borders, it's piece of
> cake in any programming language to figure out if a point is inside or
> outside a polygon.

I agree.

For the website ici.brussels how do you load the POI ?

If you do it in you php script you can load all the POI, then all the
postcodes then use a library like https://github.com/phayes/geoPHP to
compute the postal code of the POI.

>
>
>> When I use OSM as a database with Overpass Turbo, I like to receive
>> postal code as a variable and display it without having to calculate it
>> (maybe there's another way to do this ?).
>
> Again, that word calculate, makes me wonder where that idea comes from.
>  Could you elaborate ?
>
>> PS: I hope this answer will be associated with the correct thread...
>> This is my first answer in the mailing-list and I'm definitely not a geek :)
>
> I found it! So A-OK.  Welcome!
>
> Glenn
>
>
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