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<body class='hmmessage'><div dir='ltr'>Hi Marko,<br><br>thanks for the feedback. Did you use r2888 or later together with the patch?<br>I think the warning is produced long before it comes to the point<br>where mkgmap decides if the polygon is big enough.<br>I am not very familiar with the SeaGenerator algo, but I think<br>this message is produced when incomplete data is processed and<br>mkgmap once decided that way 242824968 encloses sea<br>and later detects that it must be an island. <br>A bigger problem would be the other case (island changed to sea)<br><br>Gerd<br><br><div>> Date: Wed, 18 Dec 2013 17:17:46 +0200<br>> From: marko.makela@iki.fi<br>> To: mkgmap-dev@lists.mkgmap.org.uk<br>> Subject: [mkgmap-dev] Bogus anti-island warnings for tiny natural=coastline polygons<br>> <br>> On Tue, Dec 17, 2013 at 12:18:23PM -0800, GerdP wrote:<br>> >@Marko: Please check if the "converting anti-island" messages are gone <br>> >now.<br>> <br>> There are 20 of them for Finland after applying my filter. There could <br>> also be valid warnings, because I have been ignoring these errors and <br>> not adding them to my filter either.<br>> <br>> I checked one example:<br>> <br>> 2013/12/18 16:28:01 WARNING (SeaGenerator): 63240002.osm.pbf: Converting <br>> anti-island starting at <br>> http://www.openstreetmap.org/?mlat=60.20405&mlon=25.49942&zoom=17 into <br>> an island as it is surrounded by water<br>> <br>> It looks like this is referring to the 1.5m wide islet or rock<br>> <br>> http://www.openstreetmap.org/way/242824968<br>> <br>> which is a closed polygon, with land on the left. I think that the <br>> proper action would be to shrink this to a single point and then discard <br>> it, because it would be a polygon with zero area.<br>> <br>> Best regards,<br>> <br>> Marko<br>> _______________________________________________<br>> mkgmap-dev mailing list<br>> mkgmap-dev@lists.mkgmap.org.uk<br>> http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev<br></div> </div></body>
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