[mkgmap-dev] Coastline warnings for --generate-sea=polygons at tile border

Thu Jan 28 20:39:02 GMT 2010

Hi Marko,

> I am still seeing it with unpatched r1533 (if we ignore the traffic_calming=*
> that I added to the points file):
> 
> 2010/01/27 23:40:12 WARNING (Osm5XmlHandler):   Way null (http://www.openstreetmap.org/browse/way/4611686018427418010) has consecutive nodes with the same coordinates (http://www.openstreetmap.org/?mlat=62.22656&mlon=25.82736&zoom=17) but they can't be merged because both are boundary nodes!

Err, that message is not in r1533 - something's screwy!

> 2010/01/27 23:40:08 WARNING (Osm5XmlHandler): Non-closed coastline segment does not hit bounding box: 279763707 (61,81651/30,07776) 279763719 (61,81599/30,07524) http://www.openstreetmap.org/?mlat=61.81651&mlon=30.07776&zoom=17
> 
> but they can most likely be attributed to Geofabrik's cutting
> (Finland is about 60N,20E to 70N,30E).  Has someone already bugged
> the osmosis or Geofabrik folks about this?  Could I work around the issue
> with some mkgmap options?  I guess I'd want an imaginary L-shaped coastline
> running south from the Swedish-Finnish border and turning east towards
> St. Petersburg.

Have you tried the close-gaps option to generate-sea? That may help:

	close-gaps=NUM
		close gaps in coastline that are less than this
		distance (metres)

Mark