[mkgmap-dev] [PATCH v1] - handle "anti-islands"

Tue Jan 26 13:12:26 GMT 2010

Felix,

> Does not work 100% for me yet, but in principle it seems to work.
> 
> --generate-sea=polygons,extend-sea-sectors,close-gaps=1000
> 
> Square tagged with
> natural=coastline
> a) direction of way: anticlockwise     == Correctly map is flooded, 
> inside is dry

Good.

> b) direction of way: clockwise           == Map neither flooded nor is 
> background polygon drawn, map therefore behaves as if not --generate-sea 
> would have been parsed. (hence need for another typfile).

When you say background polygon, do you mean the 0x4b poly or poly with
the land tag or natural=sea?

Also, what about the inside of the anti-island? That should be
natural=water.

Mark