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[mkgmap-dev] How to display administrative boundaries / shade them?

From Gerd Petermann gpetermann_muenchen at hotmail.com on Tue Jan 18 20:05:16 GMT 2022

Hi Craig,

it works for me when data.osm contains the complete relation. I just downloaded just that relation with all its members in JOSM
and the file has 359.898 bytes.
What's the content of your data.osm?
Maybe upload it to https://files.mkgmap.org.uk/


Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Craig Durkin <craigdurkin at gmail.com>
Gesendet: Dienstag, 18. Januar 2022 20:30
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] How to display administrative boundaries / shade      them?

That's what I would have thought too, but no luck. It seems like the "polygons" file maybe only deals with closed ways and not specifically relations?

For what it's worth, my program is invoked with:

java -jar mkgmap-r4586/mkgmap.jar --gmapsupp --gmapi --transparent --output-dir=gmap_output --style-file=mkgmap-r4586/new_style/ data.osm

and the 'polygons' file in new_style/polygons has the following line in it:
boundary=administrative [0x07 resolution 20]


>From Gerd Petermann gpetermann_muenchen at hotmail.com <mailto:mkgmap-dev%40lists.mkgmap.org.uk?Subject=Re:%20Re%3A%20%5Bmkgmap-dev%5D%20How%20to%20display%20administrative%20boundaries%20/%20shade%0A%20them%3F&In-Reply-To=%3CAM0PR08MB541016A276CDB396533304559E589%40AM0PR08MB5410.eurprd08.prod.outlook.com%3E> on Tue Jan 18 18:41:33 GMT 2022

Hi Craig,

I think all you need is a rule in style file polygons to render the object.


On Tue, Jan 18, 2022 at 1:33 PM Craig Durkin <craigdurkin at gmail.com<mailto:craigdurkin at gmail.com>> wrote:
Hi mkgmap folks -- sorry if this is kind of a beginning question, but I can't for the life of me figure out how to get administrative boundaries (or really any arbitrary polygon) to display with mkgmap. Ideally I'd be able to lightly shade the inside of the boundary polygon, but even displaying the polygon is eluding me.

An example OSM relation that I'm trying to display is Conyers, GA, USA relation ID 119584.

I understand that there might be editing necessary to the style files, but it's not really clear: do I edit relations, lines, or polygons? Or all 3?

Can anyone offer any tips?


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