[mkgmap-dev] Feature request: Layer control

Thu Oct 11 11:45:33 BST 2012

I think even if you define the order, it won't really workout well. Also 
you would need to check if all devices have the same order. At least on 
the consumer GPS side, Garmin turned the draw order upside down in newer 
vs older generation gps devices (same holds true for old Mapsource 6.13 
vs Basecamp >=v3).

Maybe there would be a need for proper overlay checking with blacklists 
which types may not be in the same area as others, and then mkgmap 
cutting out some polygons. Or mkgmap cutting out smaller polygons from 
larger ones, similar to how mapnik does it... I cannot imagine this to 
be easy though (because I cannot even come up with a clean concept on 
how this should be done).
On 11.10.2012 12:28, RheinSkipper wrote:
> As I already mentioned, TYP-files are NOT supported by devices from the
> Garmin marine line-up (GPSMap 421, GPSMap 526, GPSMap 720 ...). All Garmin
> nautical chartplotters simply ignore the information in the TYP-file.
>
>
>> -----Ursprüngliche Nachricht-----
>> Von: mkgmap-dev-bounces at lists.mkgmap.org.uk [mailto:mkgmap-dev-
>> bounces at lists.mkgmap.org.uk] Im Auftrag von Henning Scholland
>> Gesendet: Donnerstag, 11. Oktober 2012 09:26
>> An: Development list for mkgmap
>> Betreff: Re: [mkgmap-dev] Feature request: Layer control
>>
>> Hi,
>> I think you have to change the DrawOrder in your TYP-file. This tells the
>> Garmin-device in which order the polygons should be rendered.
>>
>> Henning
>>
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-- 
keep on biking and discovering new trails

Felix
openmtbmap.org & www.velomap.org