[OSM-talk] is_in

80n 80n80n at gmail.com
Sat May 26 13:55:31 BST 2007


+1 from me

On 5/26/07, David Earl <david at frankieandshadow.com> wrote:
>
> Following the discussion of is_in a couple of weeks ago, I have some
> suggestions to make:
>
> is_in has the potential to be a very useful source of relationship data.
> But
> I wonder whether applying more structure to the data may make linking up
> and
> using the data easier. We also have a problem with languages and is_in at
> present. People have used is_in in differing orders, and have started
> overloading it with other things (e.g. is_in=...,capital cities) Also,
> minor
> thing, is_in is hard to type quickly!
>
> Depending on the reaction I'll consider putting this into the proposals
> page
> at some point:
>
> Deprecate is_in and instead use things like:
>
> isin:city=Cambridge  // applied to suburbs, for example
> isin:district=South Cambridgeshire
> isin:county=Cambridgeshire
> isin:nation=England
> isin:country=Deutschland
> isin:state=Texas
>
> Now, we only need one of these isins in practice for any one place,
> providing the parent exists with the same categorisation
>
> place=village
> name=Fulbourn
> isin:district=South Cambridgeshire
>
> place=district
> name=South Cambridgeshire
> isin:county=Cambridgeshire
>
> place=county
> name=Cambridgeshire
> isin:nation=England  //or region or some such
>
> place=nation
> name=England
> isin:country=UK
>
> Languages are solved too by using isin only in local language: München
> isin:state=Bavaria which in turn isin:country=Deutschland and then picking
> up foreign language forms from the referenced place as usual:
>
> place=country
> name=Deutschland
> name:en=Germany
> name:fr=Frankreich
>
> Also things can be in overlapping isins of different kinds in the future
> if
> we want:
>
> place=suburb
> name=Newtown
> isin:city:Cambridge
> isin:parliamentaryconstituency=South Cambridgeshire
> isin:electoralward=Trumpington
>
> Finally capital cities might be better done as
> capital_city=yes
>
> David
>
>
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