[mkgmap-dev] Address & city country name assignment.

Wed Feb 16 14:40:45 GMT 2011

On Feb 16, 2011, at 15:20, Dermot McNally wrote:
> On 16 February 2011 13:28, Robert Vollmert <rvollmert-lists at gmx.net> wrote:
> 
>> My suggestion would be to move region (country, city) detection into a preprocessing step, outside of mkgmap. That is, some other tool preprocesses and normalizes the osm data and assigns consistent is_in tags. Then mkgmap looks only at the is_in tags.
> 
> That was actually my first thought on how to improve things. But the
> problem is that you would potentially be doing this:
> 
> * Obtain hierarchy where the role of each element is known
> * Flatten this into an ordered list of elements, still respecting a
> hierarchy as best you can, but discarding the knowledge of roles
> * Bring this flattened version of the data into mkgmap and attempt to
> use the existing hints to extrapolate the knowledge of the roles that
> you only just threw away in the last step.

So instead of writing is_in tags, write the actual data as relations? One relation per street,  one relation per city, etc., with all streets as members in the corresponding city relation?

Cheers
Robert