What was the input? a geofabrik download or a osmosis extract with complete coastline ways? then you should try --generate-sea=extend-sea-sectors as Chris recommends. I create all osm files with osmosis and coastline will be complete and touch tile boundaries. another idea is to take the area.list from processing a germany extract and feed it together with a planet or europe extract into splitter to get complete coastlines. On Thu, Apr 1, 2010 at 1:24 PM, NopMap <ekkehart@gmx.de> wrote:
Hi!
Just to let you know. Encouraged by your statements, I tried to do the German coast along the baltic sea with --generate-sea=multipolygon. The map was made up of 3 tiles.
The result was rather disillusioning. In about 1/4 of the coast it looked good, on half of the coast the water was missing completely and about 1/4 was inverted with the land flooded and the sea clear.
My conclusion is that I'll stick to the old technique for the time being (manually edited sea polygons derived from the shapefiles used by mapnik).
bye Nop
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