[mkgmap-dev] Address index for multi-country map

Sun Nov 10 14:27:44 GMT 2013

Hello Bernhard,

please read my previous mail which was sent to you only by mistake:

=============
Hello Bernhard,

you are including the inc/address file but you don't use the bounds 
paramter that links the precompiled bounds file. This is required to let 
the inc/address file work. Only using the bounds parameter the 
mkgmap:admin_levelN tags are assigned which are used by the inc/address 
file. You can download some precompiled bounds from 
http://www.navmaps.eu/boundaries

Instead you are using --location-autofill=bounds,nearest. Bounds is no 
longer supported (but silently accepted). So the only address assigning 
algorithm is the location-autofill=nearest. This is a good guess only so 
don't expect good results. It's mainly used for regions that don't have 
a good boundary coverage.

Have fun!
WanMil

> Meanwhile I did some experiments.
>
> With a fresh download from Geofabrik, I started with germany.osm.pbf
> without any additional modification by osmconvert. I split it, and
> created the map with the same parameters and style file.
> With the examples from Germany, I received the same results.
>
> Next, I removed the "include" sections from the style files and replaced
> them by the contents of the respective files.
> Same result.
>
> Next, I tried the default style (as of mkgmap 2724). Again, the same
> results.
>
> This means: it is not caused by a defect in my style file, nor in a
> defect in processing with osmconvert. Also a defect in resolving the
> include files can be excluded.
> Still, the data downloaded from Geofabrik could be defective.
>
> When I use the --country-name=Deutschland  --country-abbr=DEU
> parameters, places are correctly found in Germany. The country "Country"
> is no more available. For small villages, the index is then OK. But for
> towns consisting of some quarters, it is still defective: there are no
> roads neither in Erlangen nor in Bayreuth, and the "Geseeser Weg" can
> only be found in "Altstadt" instead of Bayreuth.
>
> Next, I returned to mkgmap version 2654. I had to remove all lines with
> "admin_level" from relations, "capital" from points, the comparison of
> two values from lines. Also this did not solve the problem.
>
> That means, that the creation of the address index is broken somewhere
> in mkgmap.
>
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