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[mkgmap-dev] Excluding countries from map build or reduce details for some countries.

From Ticker Berkin rwb-mkgmap at jagit.co.uk on Tue Sep 1 10:18:02 BST 2020

Hi Joao

Something like this can be done. It probably isn't working for you
because mkgmap:country is set at the end of points/lines/polygon
processing, in inc/address, after the element has been generated.

Assuming you are using bound processing (--bounds=...bounds.zip),
you need something near the start of each rules file such as:

mkgmap:admin_level2!=ESP {deletealltags}

For the "lines" file you need to refine the above to allow motorways


On Mon, 2020-08-31 at 09:37 +1000, Joao Almeida wrote:
> Hi,
> I have an how to question. Hope someone can help.
> I use poly files to extract areas from the pbf files. but obviously
> unless you very meticulously outline the countries borders one will
> always have some of the neighboring country in a map.
> I would like to be able to have a general style for my map build but
> have a rule in the style that would remove most of the detail from
> the map. 
> The general idea would be that one would have only the major
> highways, none or very few polygons and only the major cities for the
> country added to the map, in essence a bit like the global garmin
> basecamp which is very small but still gives us an overview of the
> whole planet.
> I tried a deleteall tags rule , but it still added the items but just
> didn't add the tags.
> something like (rough example) I know the code is not accurate but
> hopefully gives you an idea:
> mkgmap:country=PRT {deletealltags} 
> mkgmap:country=ESP amenity=restaurant (0x000 resolution xx)
> For country portugal no points would be compiled into the map, for
> country Spain all items in the style would be compiled into the map.
> Thanks a lot.
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