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<body class='hmmessage'><div dir='ltr'>Hi Marko,<br><br>I don't care whether the restrictions could be changed in OSM. I just<br>want to make sure that I translate them correctly we writing the img file.<br><br>Gerd<br><br><div>> Date: Sun, 23 Mar 2014 12:12:36 +0200<br>> From: marko.makela@iki.fi<br>> To: mkgmap-dev@lists.mkgmap.org.uk<br>> Subject: Re: [mkgmap-dev] Turn restrictions with role=via ways<br>> <br>> On Sun, Mar 23, 2014 at 09:52:53AM +0100, Gerd Petermann wrote:<br>> >I am not sure how I should interpret a restriction relation with <br>> >restriction=only_* and a via way. AFAIK the Garmin format doesn't have <br>> >such kind of restriction, so we have to translate it into one or more <br>> >no_* restrictions for the other possible ways. This was rather easy for <br>> >restrictions with a via node, but how should I do it for via ways?<br>> >Examples:<br>> >http://www.openstreetmap.org/relation/67571<br>> <br>> This looks like a mapping error (should simply use a 'via' node).<br>> <br>> >http://www.openstreetmap.org/relation/1745548<br>> <br>> This one is more tricky.<br>> <br>> The note on the relation says that there is a lane marking that you <br>> cannot cross when turning right from the parking lot. So, you can only <br>> continue straight to Mäkelänkatu and not take an immediate left turn to <br>> Vääksyntie.<br>> <br>> It seems that also this one could be corrected in the map data by <br>> branching the Vääksyntie exit before the parking lot driveway. In that <br>> case, there would be no need for a turn restriction.<br>> <br>> The real trouble (AFAICT) is no_u_turn with role=via ways. That cannot <br>> be fixed by manually simplifying the map data.<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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