[josm-dev] Czech house numbers

[Ľubomír Varga]

btw. I think Slovak numbering is same. I use just number which is connected to 
street name, but we also have that second number...

PS: if the only problem is to implement it, I could have a look at it. But I 
think problem is to stabilize tags in house numbers...

On Monday 11 May 2009 12:33:35 Radomir Cernoch wrote:
> Hi,
>
> the system is following: We have the standard 'housenumber', which
> defines the order of houses on a street and therefore this number makes
> sense only in combination with the street name. This system is used by
> most people as it is easy to remember and hence this number is rendered
> on OSM maps. In Czech this number is called "číslo orientační."
>
> The second system, which we currently store in 'alternatenumber' ("číslo
> popisné") defines a unique number of a house within a village/town or
> suburb. Houses are ordered historically, the oldest has number 1, the
> newest might have 4029. Therefore houses 4028 and 4029 can be on
> opposite sides of the town. This system is used for administration and
> in small villages it serves as the primary system, since it is not
> crucial to adopt the 'housenumber' system if eg. the municipality
> consists only of one street.
>
> Lastly 'alternatenumber' is used on Czech land register maps and so we
> need it for finding position of individual houses. This is why we would
> appreciate if by looking at the map in JOSM, we could see both the
> 'alternatenumber' of a node together with the background register map
> (provided by WMS).
>
> I think we should currently resolve the following question:
> Is it better to use 'addr:alternatenumber' (or any other similar key) as
> the preferred way of storing secondary housing numbers for _most_
> countries or is it better to adopt 'addr:some_czech_label' for Czech
> Republic and 'addr:some_german_label' for Germany, etc.?
>
> Personally I would set up 'addr:alternatenumber' wherever possible and
> switch to 'addr:some_local_label' if local system was too different.
> However this would probably require to push 'alternatenumber' into
> official list of attributes...
>
> Yours,
> Radek Cernoch
>
>
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