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[mkgmap-dev] Bogus anti-island warnings for tiny natural=coastline

From Marko Mäkelä marko.makela at iki.fi on Mon Mar 10 12:53:11 GMT 2014


I am getting bogus warnings like this:

2014/03/10 12:31:16 WARNING (SeaGenerator): 63240002.osm.pbf: Converting 
anti-island starting at 
http://www.openstreetmap.org/?mlat=60.217808&mlon=25.309372&zoom=17 into 
an island as it is surrounded by water

This tiny natural=coastline polygon 
http://www.openstreetmap.org/way/241289746 represents a tiny islet in 
the Baltic sea. It has land on the left.

I would prefer to see a "very small shape" warning like this instead, so 
that I can ignore it:

2014/03/10 12:31:17 WARNING (ShapeMergeFilter): 63240003.osm.pbf: very 
small shape near 
signed area in high prec map units: 1188

It would be nice if this "very small shape" warning echoed the tags or 
even the OSM ID of the shape. (Of course, only if the information is 
easily available; it might have already been thrown out during the 


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