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<body class='hmmessage'><div dir='ltr'>Hi Marko,<br><br>just to make sure: <br>The example shows a no_u_turn restriction<br>where "from" way and "to" way are equal and a via node is used.<br><br>Are that the criteria which should tell mkgmap to emit an info and <br>ignore the restriction? <br><br>Why not a warning? I'd say all correct restriction relations which are<br>ignored should produce a warning.<br><br>Gerd<br><br><br><br><div>> Date: Tue, 1 Apr 2014 16:10:52 +0300<br>> From: marko.makela@iki.fi<br>> To: mkgmap-dev@lists.mkgmap.org.uk<br>> Subject: Re: [mkgmap-dev] Turn restriction angle checks<br>> <br>> On Sun, Mar 30, 2014 at 02:34:07PM +0200, Gerd Petermann wrote:<br>> >>BTW, I accidentally loaded a relation somewhere in Russia and <br>> >>downloaded the surroundings. There were lots of no_u_turn on every <br>> >>crossing of a major road. That kind of micro-mapping does not exist <br>> >>over here; I guess that mappers expect people to apply common sense <br>> >>and not make a u-turn as soon as the navigator suggests it, no matter <br>> >>what.<br>> <br>> I found an example of this in Finland. IMO, these relations should <br>> simply be ignored, maybe emitting a NOTE or INFO (not WARNING):<br>> <br>> 2014/04/01 08:03:24 SEVERE (RoadNetwork): 63240002.osm.pbf: Turn <br>> restriction http://www.openstreetmap.org/browse/relation/1785864 (at <br>> http://www.openstreetmap.org/?mlat=60.224055&mlon=24.995477&zoom=17) <br>> check special case from = to arc <br>> <br>> Normally the navigator should not generate routes where you do a U-turn <br>> like this. Even if it did, the driver should know to make the U-turn at <br>> the next convenient place where it is both practical and not forbidden.<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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