[mkgmap-dev] mkgmap:drawLevel and --order-by-decreasing-area

Wed Nov 16 15:18:51 GMT 2016

Hi all,

I've created a binary based on r3702:
http://files.mkgmap.org.uk/download/313/mkgmap.jar

I'd like to get more feedback on this patch.

Gerd

Ticker Berkin wrote
> Here is a patch that implements mkgmap:drawLevel
> 
> It is used in conjunction with --order-by-decreasing-area and overrides
> the natural polygon area that is used for output sorting, hence
> influencing which polygons are rendered over others.
> 
> The higher the value, the later the polygon is written and hence should
> show over other areas. Values range from 1 to 100, 1..50 will be larger
> than any natural area and so output earlier. 51..100 will be smaller
> and written later.
> 
> So, if you wanted the standard sea polygons to show, rather than any
> mapped area beyond the coastline, could have:
> 
> natural=sea { add mkgmap:skipSizeFilter=true; set mkgmap:drawLevel=99 }
> [0x32 resolution 10]
> 
> The default for sea is drawLevel=2 (drawLevel 1 might be needed for the
> map background / 0x4b). Nothing else has a default and so behaves as if
> between 50 and 51.
> 
> The Garmin device will still respect any in-build or TYP specified
> _draworder. With --order-by-decreasing-area it works best if everything
> has the same _draworder. If your Garmin device has strange rules, like
> not showing City (0x01..0x03) or having green areas (0x14..0x21) at a
> lower _draworder than most other things, consider a TYP file giving
> 0x01..0x55 the same value (1) except 0x4b with a lower value (0).
> 
> 
> Ticker
> 
> _______________________________________________
> mkgmap-dev mailing list

> mkgmap-dev at .org

> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> 
> drawLevel_v2.patch (7K)
> <http://gis.19327.n8.nabble.com/attachment/5885926/0/drawLevel_v2.patch>

--
View this message in context: http://gis.19327.n8.nabble.com/mkgmap-drawLevel-and-order-by-decreasing-area-tp5885926p5885996.html
Sent from the Mkgmap Development mailing list archive at Nabble.com.